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wolfssl-w32/src/x509.c

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/* x509.c
*
* Copyright (C) 2006-2023 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <wolfssl/wolfcrypt/settings.h>
#if !defined(WOLFSSL_X509_INCLUDED)
#ifndef WOLFSSL_IGNORE_FILE_WARN
#warning x509.c does not need to be compiled separately from ssl.c
#endif
#else
#ifndef WOLFCRYPT_ONLY
#ifndef NO_CERTS
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
#include <wolfssl/openssl/x509v3.h>
#endif
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA)
unsigned int wolfSSL_X509_get_extension_flags(WOLFSSL_X509* x509)
{
unsigned int flags = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_extension_flags");
if (x509 != NULL) {
if (x509->keyUsageSet) {
flags |= EXFLAG_KUSAGE;
}
if (x509->extKeyUsageSrc != NULL) {
flags |= EXFLAG_XKUSAGE;
}
}
WOLFSSL_LEAVE("wolfSSL_X509_get_extension_flags", flags);
return flags;
}
unsigned int wolfSSL_X509_get_key_usage(WOLFSSL_X509* x509)
{
unsigned int ret = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_key_usage");
if (x509 == NULL) {
WOLFSSL_MSG("x509 is NULL");
}
else {
if (x509->keyUsageSet) {
ret = wolfSSL_X509_get_keyUsage(x509);
}
else {
ret = (unsigned int)-1;
}
}
WOLFSSL_LEAVE("wolfSSL_X509_get_key_usage", ret);
return ret;
}
unsigned int wolfSSL_X509_get_extended_key_usage(WOLFSSL_X509* x509)
{
int ret = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_extended_key_usage");
if (x509 != NULL) {
if (x509->extKeyUsage & EXTKEYUSE_OCSP_SIGN)
ret |= XKU_OCSP_SIGN;
if (x509->extKeyUsage & EXTKEYUSE_TIMESTAMP)
ret |= XKU_TIMESTAMP;
if (x509->extKeyUsage & EXTKEYUSE_EMAILPROT)
ret |= XKU_SMIME;
if (x509->extKeyUsage & EXTKEYUSE_CODESIGN)
ret |= XKU_CODE_SIGN;
if (x509->extKeyUsage & EXTKEYUSE_CLIENT_AUTH)
ret |= XKU_SSL_CLIENT;
if (x509->extKeyUsage & EXTKEYUSE_SERVER_AUTH)
ret |= XKU_SSL_SERVER;
if (x509->extKeyUsage & EXTKEYUSE_ANY)
ret |= XKU_ANYEKU;
}
WOLFSSL_LEAVE("wolfSSL_X509_get_extended_key_usage", ret);
return (unsigned int)ret;
}
/* Returns the number of X509V3 extensions in X509 object, or 0 on failure */
int wolfSSL_X509_get_ext_count(const WOLFSSL_X509* passedCert)
{
int extCount = 0;
int length = 0;
int outSz = 0;
const byte* rawCert;
int sz = 0;
word32 idx = 0;
const byte* input;
#ifdef WOLFSSL_SMALL_STACK
DecodedCert *cert;
#else
DecodedCert cert[1];
#endif
WOLFSSL_ENTER("wolfSSL_X509_get_ext_count");
if (passedCert == NULL) {
WOLFSSL_MSG("\tNot passed a certificate");
return WOLFSSL_FAILURE;
}
rawCert = wolfSSL_X509_get_der((WOLFSSL_X509*)passedCert, &outSz);
if (rawCert == NULL) {
WOLFSSL_MSG("\tpassedCert has no internal DerBuffer set.");
return WOLFSSL_FAILURE;
}
#ifdef WOLFSSL_SMALL_STACK
cert = (DecodedCert *)XMALLOC(sizeof(*cert), NULL, DYNAMIC_TYPE_DCERT);
if (cert == NULL) {
WOLFSSL_MSG("out of memory");
return WOLFSSL_FAILURE;
}
#endif
InitDecodedCert(cert, rawCert, (word32)outSz, 0);
if (ParseCert(cert,
#ifdef WOLFSSL_CERT_REQ
passedCert->isCSR ? CERTREQ_TYPE :
#endif
CA_TYPE,
NO_VERIFY, NULL) < 0) {
WOLFSSL_MSG("\tCertificate parsing failed");
goto out;
}
input = cert->extensions;
sz = cert->extensionsSz;
if (input == NULL || sz == 0) {
WOLFSSL_MSG("\tsz or input NULL error");
goto out;
}
#ifdef WOLFSSL_CERT_REQ
if (!passedCert->isCSR)
#endif
{
if (input[idx++] != ASN_EXTENSIONS) {
WOLFSSL_MSG("\tfail: should be an EXTENSIONS");
goto out;
}
if (GetLength(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: invalid length");
goto out;
}
}
if (GetSequence(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: should be a SEQUENCE (1)");
goto out;
}
while (idx < (word32)sz) {
if (GetSequence(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: should be a SEQUENCE");
FreeDecodedCert(cert);
return WOLFSSL_FAILURE;
}
idx += length;
extCount++;
}
out:
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return extCount;
}
/* Creates and returns pointer to a new X509_EXTENSION object in memory */
WOLFSSL_X509_EXTENSION* wolfSSL_X509_EXTENSION_new(void)
{
WOLFSSL_X509_EXTENSION* newExt;
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_new");
newExt = (WOLFSSL_X509_EXTENSION*)XMALLOC(sizeof(WOLFSSL_X509_EXTENSION),
NULL, DYNAMIC_TYPE_X509_EXT);
if (newExt == NULL)
return NULL;
XMEMSET(newExt, 0, sizeof(WOLFSSL_X509_EXTENSION));
return newExt;
}
/* Clear out and free internal pointers of ASN.1 STRING object.
*
* @param [in] asn1 ASN.1 STRING object.
*/
static void wolfSSL_ASN1_STRING_clear(WOLFSSL_ASN1_STRING* asn1)
{
/* Check we have an object to free. */
if (asn1 != NULL) {
/* Dispose of dynamic data. */
if ((asn1->length > 0) && asn1->isDynamic) {
XFREE(asn1->data, NULL, DYNAMIC_TYPE_OPENSSL);
}
XMEMSET(asn1, 0, sizeof(WOLFSSL_ASN1_STRING));
}
}
void wolfSSL_X509_EXTENSION_free(WOLFSSL_X509_EXTENSION* x)
{
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_free");
if (x == NULL)
return;
if (x->obj != NULL) {
wolfSSL_ASN1_OBJECT_free(x->obj);
}
wolfSSL_ASN1_STRING_clear(&x->value);
wolfSSL_sk_pop_free(x->ext_sk, NULL);
XFREE(x, NULL, DYNAMIC_TYPE_X509_EXT);
}
WOLFSSL_X509_EXTENSION* wolfSSL_X509_EXTENSION_dup(WOLFSSL_X509_EXTENSION* src)
{
WOLFSSL_X509_EXTENSION* ret = NULL;
int err = 0;
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_dup");
if (src == NULL) {
err = 1;
}
if (err == 0) {
ret = wolfSSL_X509_EXTENSION_new();
if (ret == NULL) {
err = 1;
}
}
if (err == 0 && src->obj != NULL) {
ret->obj = wolfSSL_ASN1_OBJECT_dup(src->obj);
if (ret->obj == NULL) {
err = 1;
}
}
if (err == 0) {
ret->crit = src->crit;
if (wolfSSL_ASN1_STRING_copy(&ret->value, &src->value) !=
WOLFSSL_SUCCESS) {
err = 1;
}
}
if (err == 1 && ret != NULL) {
wolfSSL_X509_EXTENSION_free(ret);
ret = NULL;
}
return ret;
}
WOLFSSL_X509_EXTENSION* wolfSSL_X509_EXTENSION_create_by_OBJ(
WOLFSSL_X509_EXTENSION* ex, WOLFSSL_ASN1_OBJECT *obj, int crit,
WOLFSSL_ASN1_STRING *data)
{
int err = 0;
WOLFSSL_X509_EXTENSION *ret = ex;
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_create_by_OBJ");
if ((obj == NULL) || (data == NULL)) {
return NULL;
}
if (ret == NULL) {
ret = wolfSSL_X509_EXTENSION_new();
if (ret == NULL) {
err = 1;
}
} else {
/* Prevent potential memory leaks and dangling pointers. */
wolfSSL_ASN1_OBJECT_free(ret->obj);
ret->obj = NULL;
wolfSSL_ASN1_STRING_clear(&ret->value);
}
if (err == 0) {
ret->crit = crit;
ret->obj = wolfSSL_ASN1_OBJECT_dup(obj);
if (ret->obj == NULL) {
err = 1;
}
}
if (err == 0) {
if (wolfSSL_ASN1_STRING_copy(&ret->value, data) != WOLFSSL_SUCCESS) {
err = 1;
}
}
if (err == 1) {
if (ret != ex) {
wolfSSL_X509_EXTENSION_free(ret);
}
ret = NULL;
}
return ret;
}
/* Creates and returns a new WOLFSSL_X509_EXTENSION stack. */
WOLFSSL_STACK* wolfSSL_sk_new_x509_ext(void)
{
WOLFSSL_STACK* sk;
WOLFSSL_ENTER("wolfSSL_sk_new_x509_ext");
sk = wolfSSL_sk_new_null();
if (sk) {
sk->type = STACK_TYPE_X509_EXT;
}
return sk;
}
/* This function does NOT return 1 on success. It returns 0 on fail, and the
* number of items in the stack upon success. This is for compatibility with
* OpenSSL. */
int wolfSSL_sk_X509_EXTENSION_push(WOLFSSL_STACK* sk,WOLFSSL_X509_EXTENSION* ext)
{
WOLFSSL_STACK* node;
WOLFSSL_ENTER("wolfSSL_sk_X509_EXTENSION_push");
if (sk == NULL || ext == NULL) {
return WOLFSSL_FAILURE;
}
/* no previous values in stack */
if (sk->data.ext == NULL) {
sk->data.ext = ext;
sk->num += 1;
return (int)sk->num;
}
/* stack already has value(s) create a new node and add more */
node = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL,
DYNAMIC_TYPE_X509);
if (node == NULL) {
WOLFSSL_MSG("Memory error");
return WOLFSSL_FAILURE;
}
XMEMSET(node, 0, sizeof(WOLFSSL_STACK));
/* push new obj onto head of stack */
node->data.ext = sk->data.ext;
node->next = sk->next;
node->type = sk->type;
sk->next = node;
sk->data.ext = ext;
sk->num += 1;
return (int)sk->num;
}
/* Free the structure for X509_EXTENSION stack
*
* sk stack to free nodes in
*/
void wolfSSL_sk_X509_EXTENSION_free(WOLFSSL_STACK* sk)
{
WOLFSSL_STACK* node;
WOLFSSL_ENTER("wolfSSL_sk_X509_EXTENSION_free");
if (sk == NULL) {
return;
}
/* parse through stack freeing each node */
node = sk->next;
while ((node != NULL) && (sk->num > 1)) {
WOLFSSL_STACK* tmp = node;
node = node->next;
wolfSSL_X509_EXTENSION_free(tmp->data.ext);
XFREE(tmp, NULL, DYNAMIC_TYPE_X509);
sk->num -= 1;
}
/* free head of stack */
if (sk->num == 1) {
wolfSSL_X509_EXTENSION_free(sk->data.ext);
}
XFREE(sk, NULL, DYNAMIC_TYPE_X509);
}
static WOLFSSL_STACK* generateExtStack(const WOLFSSL_X509 *x)
{
int numOfExt, i;
WOLFSSL_X509 *x509 = (WOLFSSL_X509*)x;
WOLFSSL_STACK* ret;
WOLFSSL_STACK* tmp;
if (!x509) {
WOLFSSL_MSG("Bad parameter");
return NULL;
}
/* Save x509->ext_sk */
tmp = x509->ext_sk;
x509->ext_sk = NULL;
numOfExt = wolfSSL_X509_get_ext_count(x509);
for (i = 0; i < numOfExt; i++) {
/* Build the extension stack */
(void)wolfSSL_X509_set_ext(x509, i);
}
/* Restore */
ret = x509->ext_sk;
x509->ext_sk = tmp;
return ret;
}
/**
* @param x Certificate to extract extensions from
* @return STACK_OF(X509_EXTENSION)*
*/
const WOLFSSL_STACK *wolfSSL_X509_get0_extensions(const WOLFSSL_X509 *x)
{
int numOfExt;
WOLFSSL_X509 *x509 = (WOLFSSL_X509*)x;
WOLFSSL_ENTER("wolfSSL_X509_get0_extensions");
if (!x509) {
WOLFSSL_MSG("Bad parameter");
return NULL;
}
numOfExt = wolfSSL_X509_get_ext_count(x509);
if (numOfExt != wolfSSL_sk_num(x509->ext_sk_full)) {
wolfSSL_sk_pop_free(x509->ext_sk_full, NULL);
x509->ext_sk_full = generateExtStack(x);
}
return x509->ext_sk_full;
}
/**
* Caller is responsible for freeing the returned stack.
*/
const WOLFSSL_STACK *wolfSSL_X509_REQ_get_extensions(const WOLFSSL_X509 *x)
{
return generateExtStack(x);
}
/* Gets the X509_EXTENSION* ext based on it's location in WOLFSSL_X509* x509.
*
* x509 : The X509 structure to look for the extension.
* loc : Location of the extension. If the extension is found at the given
* location, a new X509_EXTENSION structure is populated with extension-specific
* data based on the extension type.
* Returns NULL on error or pointer to X509_EXTENSION structure containing the
* extension. The returned X509_EXTENSION should not be free'd by caller.
* The returned X509_EXTENSION is pushed onto a stack inside the x509 argument.
* This is later free'd when x509 is free'd.
*
* NOTE: for unknown extension NIDs, a X509_EXTENSION is populated with the
* extension oid as the ASN1_OBJECT (QT compatibility)
*/
WOLFSSL_X509_EXTENSION* wolfSSL_X509_get_ext(const WOLFSSL_X509* x509, int loc)
{
WOLFSSL_X509_EXTENSION* ext = NULL;
WOLFSSL_ENTER("wolfSSL_X509_get_ext");
if (x509 == NULL)
return NULL;
ext = wolfSSL_X509_set_ext((WOLFSSL_X509*) x509, loc);
return ext;
}
int wolfSSL_X509_get_ext_by_OBJ(const WOLFSSL_X509 *x,
const WOLFSSL_ASN1_OBJECT *obj, int lastpos)
{
const WOLF_STACK_OF(WOLFSSL_X509_EXTENSION) *sk;
if (!x || !obj) {
WOLFSSL_MSG("Bad parameter");
return -1;
}
sk = wolfSSL_X509_get0_extensions(x);
if (!sk) {
WOLFSSL_MSG("No extensions");
return -1;
}
lastpos++;
if (lastpos < 0)
lastpos = 0;
for (; lastpos < wolfSSL_sk_num(sk); lastpos++)
if (wolfSSL_OBJ_cmp((WOLFSSL_ASN1_OBJECT*)wolfSSL_sk_value(sk,
lastpos), obj) == 0)
return lastpos;
return -1;
}
#endif /* OPENSSL_ALL || OPENSSL_EXTRA */
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \
defined(WOLFSSL_WPAS_SMALL)
/* Set a general name from the DNS entry data.
*
* @param [in] dns DNS entry.
* @param [in, out] gn General name to place data in.
* @return 1 on success.
* @return 0 on failure.
*/
static int wolfssl_dns_entry_othername_to_gn(DNS_entry* dns,
WOLFSSL_GENERAL_NAME* gn)
{
int ret = 0;
WOLFSSL_ASN1_OBJECT* obj;
WOLFSSL_ASN1_TYPE* type;
WOLFSSL_ASN1_STRING* str;
byte tag;
unsigned char* p = (unsigned char *)dns->name;
long len = dns->len;
#ifdef WOLFSSL_FPKI
if (dns->oidSum != 0) {
/* UPN OID: 1.3.6.1.4.1.311.20.2.3 */
static const unsigned char upn_oid[] = {
0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x14, 0x02, 0x03
};
/* FASCN OID: 2.16.840.1.101.3.6.6 */
static const unsigned char fascn_oid[] = {
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x06, 0x06
};
const unsigned char* oid;
word32 oidSz;
if ((oid = OidFromId(dns->oidSum, oidCertAltNameType, &oidSz)) ==
NULL) {
if (dns->oidSum == UPN_OID) {
oid = upn_oid;
oidSz = (word32)sizeof(upn_oid);
}
else if (dns->oidSum == FASCN_OID) {
oid = fascn_oid;
oidSz = (word32)sizeof(fascn_oid);
}
else {
goto err;
}
}
if ((obj = wolfSSL_c2i_ASN1_OBJECT(NULL, &oid, oidSz)) == NULL) {
goto err;
}
tag = ASN_UTF8STRING;
}
else
#endif
{
word32 idx = 0;
int nameLen;
/* Create an object id for general name from DER encoding. */
obj = wolfSSL_d2i_ASN1_OBJECT(NULL, (const unsigned char**)&p, len);
if (obj == NULL) {
goto err;
}
/* Pointer moved on and now update length of remaining data. */
len -= (long)((size_t)p - (size_t)dns->name);
/* Next is: [0]. Check tag and length. */
if (GetASNTag(p, &idx, &tag, (word32)len) < 0) {
wolfSSL_ASN1_OBJECT_free(obj);
goto err;
}
if (tag != (ASN_CONTEXT_SPECIFIC | ASN_CONSTRUCTED | 0)) {
wolfSSL_ASN1_OBJECT_free(obj);
goto err;
}
if (GetLength(p, &idx, &nameLen, (word32)len) <= 1) {
wolfSSL_ASN1_OBJECT_free(obj);
goto err;
}
/* Next is a string of some type. */
if (GetASNTag(p, &idx, &tag, (word32)len) < 0) {
wolfSSL_ASN1_OBJECT_free(obj);
goto err;
}
if (GetLength(p, &idx, &nameLen, (word32)len) <= 0) {
wolfSSL_ASN1_OBJECT_free(obj);
goto err;
}
p += idx;
len -= idx;
}
/* Create a WOLFSSL_ASN1_STRING from the DER. */
str = wolfSSL_ASN1_STRING_type_new(tag);
if (str == NULL) {
wolfSSL_ASN1_OBJECT_free(obj);
goto err;
}
wolfSSL_ASN1_STRING_set(str, p, (word32)len);
/* Wrap string in a WOLFSSL_ASN1_TYPE. */
type = wolfSSL_ASN1_TYPE_new();
if (type == NULL) {
wolfSSL_ASN1_OBJECT_free(obj);
wolfSSL_ASN1_STRING_free(str);
goto err;
}
wolfSSL_ASN1_TYPE_set(type, tag, str);
/* Store the object and string in general name. */
gn->d.otherName->type_id = obj;
gn->d.otherName->value = type;
ret = 1;
err:
return ret;
}
#endif /* OPENSSL_ALL || WOLFSSL_WPAS_SMALL */
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA)
static int wolfssl_x509_alt_names_to_gn(WOLFSSL_X509* x509,
WOLFSSL_X509_EXTENSION* ext)
{
int ret = 0;
WOLFSSL_GENERAL_NAME* gn = NULL;
DNS_entry* dns = NULL;
WOLFSSL_STACK* sk;
#ifdef OPENSSL_ALL
ret = wolfSSL_ASN1_STRING_set(&ext->value, x509->subjAltNameSrc,
x509->subjAltNameSz);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
goto err;
}
#endif
sk = (WOLFSSL_GENERAL_NAMES*)XMALLOC(sizeof(WOLFSSL_GENERAL_NAMES), NULL,
DYNAMIC_TYPE_ASN1);
if (sk == NULL) {
goto err;
}
XMEMSET(sk, 0, sizeof(WOLFSSL_GENERAL_NAMES));
sk->type = STACK_TYPE_GEN_NAME;
if (x509->subjAltNameSet && x509->altNames != NULL) {
/* alt names are DNS_entry structs */
dns = x509->altNames;
/* Currently only support GEN_DNS type */
while (dns != NULL) {
gn = wolfSSL_GENERAL_NAME_new();
if (gn == NULL) {
WOLFSSL_MSG("Error creating GENERAL_NAME");
wolfSSL_sk_pop_free(sk, NULL);
goto err;
}
gn->type = dns->type;
if (gn->type == GEN_OTHERNAME) {
if (!wolfssl_dns_entry_othername_to_gn(dns, gn)) {
WOLFSSL_MSG("OTHERNAME set failed");
wolfSSL_GENERAL_NAME_free(gn);
wolfSSL_sk_pop_free(sk, NULL);
goto err;
}
}
else {
gn->d.ia5->length = dns->len;
if (wolfSSL_ASN1_STRING_set(gn->d.ia5, dns->name,
gn->d.ia5->length) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set failed");
wolfSSL_GENERAL_NAME_free(gn);
wolfSSL_sk_pop_free(sk, NULL);
goto err;
}
}
if (wolfSSL_sk_GENERAL_NAME_push(sk, gn) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error pushing onto stack");
wolfSSL_GENERAL_NAME_free(gn);
wolfSSL_sk_pop_free(sk, NULL);
goto err;
}
dns = dns->next;
}
}
ext->ext_sk = sk;
ext->crit = x509->subjAltNameCrit;
ret = 1;
err:
return ret;
}
/* Pushes a new X509_EXTENSION* ext onto the stack inside WOLFSSL_X509* x509.
* This is currently a helper function for wolfSSL_X509_get_ext
* Caller does not free the returned WOLFSSL_X509_EXTENSION*
*/
WOLFSSL_X509_EXTENSION* wolfSSL_X509_set_ext(WOLFSSL_X509* x509, int loc)
{
int extCount = 0, length = 0, outSz = 0, sz = 0, ret = 0;
int objSz = 0, isSet = 0;
const byte* rawCert;
const byte* input;
byte* oidBuf;
word32 oid, idx = 0, tmpIdx = 0, nid;
WOLFSSL_X509_EXTENSION* ext = NULL;
WOLFSSL_ASN1_INTEGER* a;
WOLFSSL_STACK* sk;
#ifdef WOLFSSL_SMALL_STACK
DecodedCert* cert = NULL;
#else
DecodedCert cert[1];
#endif
WOLFSSL_ENTER("wolfSSL_X509_set_ext");
if(x509 == NULL){
WOLFSSL_MSG("\tNot passed a certificate");
return NULL;
}
if(loc <0 || (loc > wolfSSL_X509_get_ext_count(x509))){
WOLFSSL_MSG("\tBad location argument");
return NULL;
}
ext = wolfSSL_X509_EXTENSION_new();
if (ext == NULL) {
WOLFSSL_MSG("\tX509_EXTENSION_new() failed");
return NULL;
}
rawCert = wolfSSL_X509_get_der((WOLFSSL_X509*)x509, &outSz);
if (rawCert == NULL) {
WOLFSSL_MSG("\tX509_get_der() failed");
wolfSSL_X509_EXTENSION_free(ext);
return NULL;
}
#ifdef WOLFSSL_SMALL_STACK
cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT);
if (cert == NULL) {
WOLFSSL_MSG("Failed to allocate memory for DecodedCert");
wolfSSL_X509_EXTENSION_free(ext);
return NULL;
}
#endif
InitDecodedCert(cert, rawCert, (word32)outSz, 0);
if (ParseCert(cert,
#ifdef WOLFSSL_CERT_REQ
x509->isCSR ? CERTREQ_TYPE :
#endif
CA_TYPE,
NO_VERIFY, NULL) < 0) {
WOLFSSL_MSG("\tCertificate parsing failed");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
input = cert->extensions;
sz = cert->extensionsSz;
if (input == NULL || sz == 0) {
WOLFSSL_MSG("\tfail: should be an EXTENSIONS");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
#ifdef WOLFSSL_CERT_REQ
if (!x509->isCSR)
#endif
{
if (input[idx++] != ASN_EXTENSIONS) {
WOLFSSL_MSG("\tfail: should be an EXTENSIONS");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
if (GetLength(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: invalid length");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
}
if (GetSequence(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: should be a SEQUENCE (1)");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
while (idx < (word32)sz) {
oid = 0;
if (GetSequence(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: should be a SEQUENCE");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
tmpIdx = idx;
ret = GetObjectId(input, &idx, &oid, oidCertExtType, sz);
if (ret < 0) {
WOLFSSL_MSG("\tfail: OBJECT ID");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
idx = tmpIdx;
nid = (word32)oid2nid(oid, oidCertExtType);
/* Continue while loop until extCount == loc or idx > sz */
if (extCount != loc) {
idx += length;
extCount++;
continue;
}
/* extCount == loc. Now get the extension. */
/* Check if extension has been set */
isSet = wolfSSL_X509_ext_isSet_by_NID((WOLFSSL_X509*)x509, nid);
if (wolfSSL_OBJ_nid2ln(nid) != NULL) {
/* This is NOT an unknown OID. */
ext->obj = wolfSSL_OBJ_nid2obj(nid);
if (ext->obj == NULL) {
WOLFSSL_MSG("\tfail: Invalid OBJECT");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
}
if (ext->obj) {
ext->obj->nid = nid;
}
switch (oid) {
case BASIC_CA_OID:
if (!isSet)
break;
/* Set pathlength */
a = wolfSSL_ASN1_INTEGER_new();
if (a == NULL) {
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
a->length = x509->pathLength;
/* Save ASN1_INTEGER in x509 extension */
ext->obj->pathlen = a;
ext->obj->ca = x509->isCa;
ext->crit = x509->basicConstCrit;
break;
case AUTH_INFO_OID:
if (!isSet)
break;
/* Create a stack to hold both the caIssuer and ocsp objects
in X509_EXTENSION structure */
sk = wolfSSL_sk_new_asn1_obj();
if (sk == NULL) {
WOLFSSL_MSG("Failed to malloc stack");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
/* Add CaIssuers object to stack */
if (x509->authInfoCaIssuer != NULL &&
x509->authInfoCaIssuerSz > 0)
{
WOLFSSL_ASN1_OBJECT* obj;
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Error creating ASN1 object");
wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL);
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
obj->obj = (byte*)x509->authInfoCaIssuer;
obj->objSz = x509->authInfoCaIssuerSz;
obj->grp = oidCertAuthInfoType;
obj->nid = NID_ad_ca_issuers;
ret = wolfSSL_sk_ASN1_OBJECT_push(sk, obj);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error pushing ASN1 object onto stack");
wolfSSL_ASN1_OBJECT_free(obj);
wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL);
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
}
/* Add OCSP object to stack */
if (x509->authInfo != NULL &&
x509->authInfoSz > 0)
{
WOLFSSL_ASN1_OBJECT* obj;
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Error creating ASN1 object");
wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL);
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
obj->obj = x509->authInfo;
obj->objSz = x509->authInfoSz;
obj->grp = oidCertAuthInfoType;
obj->nid = NID_ad_OCSP;
ret = wolfSSL_sk_ASN1_OBJECT_push(sk, obj);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error pushing ASN1 object onto stack");
wolfSSL_ASN1_OBJECT_free(obj);
wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL);
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
}
ext->ext_sk = sk;
ext->crit = x509->authInfoCrit;
break;
case AUTH_KEY_OID:
if (!isSet)
break;
ret = wolfSSL_ASN1_STRING_set(&ext->value, x509->authKeyId,
x509->authKeyIdSz);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
ext->crit = x509->authKeyIdCrit;
break;
case SUBJ_KEY_OID:
if (!isSet)
break;
ret = wolfSSL_ASN1_STRING_set(&ext->value, x509->subjKeyId,
x509->subjKeyIdSz);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
ext->crit = x509->subjKeyIdCrit;
break;
case CERT_POLICY_OID:
if (!isSet)
break;
ext->crit = x509->certPolicyCrit;
break;
case KEY_USAGE_OID:
if (!isSet)
break;
ret = wolfSSL_ASN1_STRING_set(&ext->value,
(byte*)&(x509->keyUsage), sizeof(word16));
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
ext->crit = x509->keyUsageCrit;
break;
case EXT_KEY_USAGE_OID:
if (!isSet)
break;
ret = wolfSSL_ASN1_STRING_set(&ext->value, x509->extKeyUsageSrc,
x509->extKeyUsageSz);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
ext->crit = x509->extKeyUsageCrit;
break;
case CRL_DIST_OID:
if (!isSet)
break;
ext->crit = x509->CRLdistCrit;
break;
case ALT_NAMES_OID:
if (!isSet)
break;
if (!wolfssl_x509_alt_names_to_gn(x509, ext)) {
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
break;
default:
WOLFSSL_MSG("Unknown extension type found, parsing OID");
/* If the extension type is not recognized/supported,
* set the ASN1_OBJECT in the extension with the
* parsed oid for access in later function calls */
/* Get OID from input */
if (GetASNObjectId(input, &idx, &length, sz) != 0) {
WOLFSSL_MSG("Failed to Get ASN Object Id");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
oidBuf = (byte*)XMALLOC(length+1+MAX_LENGTH_SZ, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (oidBuf == NULL) {
WOLFSSL_MSG("Failed to malloc tmp buffer");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
oidBuf[0] = ASN_OBJECT_ID;
objSz++;
objSz += SetLength(length, oidBuf + 1);
objSz += length;
/* Set object size and reallocate space in object buffer */
if (ext->obj == NULL) {
ext->obj = wolfSSL_ASN1_OBJECT_new();
if (ext->obj == NULL) {
XFREE(oidBuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
}
ext->obj->objSz = objSz;
if(((ext->obj->dynamic & WOLFSSL_ASN1_DYNAMIC_DATA) != 0) ||
(ext->obj->obj == NULL)) {
ext->obj->obj =(byte*)XREALLOC((byte*)ext->obj->obj,
ext->obj->objSz,
NULL,DYNAMIC_TYPE_ASN1);
if (ext->obj->obj == NULL) {
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
XFREE(oidBuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
ext->obj->dynamic |= WOLFSSL_ASN1_DYNAMIC_DATA;
} else {
ext->obj->dynamic &= ~WOLFSSL_ASN1_DYNAMIC_DATA;
}
/* Get OID from input and copy to ASN1_OBJECT buffer */
XMEMCPY(oidBuf+2, input+idx, length);
XMEMCPY((byte*)ext->obj->obj, oidBuf, ext->obj->objSz);
XFREE(oidBuf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
oidBuf = NULL;
ext->obj->grp = oidCertExtType;
ext->crit = 0;
/* Get extension data and copy as ASN1_STRING */
tmpIdx = idx + length;
if ((tmpIdx >= (word32)sz) ||
(input[tmpIdx] != ASN_OCTET_STRING))
{
WOLFSSL_MSG("Error decoding unknown extension data");
wolfSSL_ASN1_OBJECT_free(ext->obj);
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
tmpIdx++;
if (GetLength(input, &tmpIdx, &length, sz) <= 0) {
WOLFSSL_MSG("Error: Invalid Input Length.");
wolfSSL_ASN1_OBJECT_free(ext->obj);
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
ext->value.data = (char*)XMALLOC(length, NULL, DYNAMIC_TYPE_ASN1);
ext->value.isDynamic = 1;
if (ext->value.data == NULL) {
WOLFSSL_MSG("Failed to malloc ASN1_STRING data");
wolfSSL_X509_EXTENSION_free(ext);
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return NULL;
}
XMEMCPY(ext->value.data,input+tmpIdx,length);
ext->value.length = length;
} /* switch(oid) */
break; /* Got the Extension. Now exit while loop. */
} /* while(idx < sz) */
/* Store the new extension in a stack inside x509
* The extensions on the stack are free'd internally when FreeX509 is called
*/
if (x509->ext_sk == NULL)
x509->ext_sk = wolfSSL_sk_new_x509_ext();
if (wolfSSL_sk_X509_EXTENSION_push(x509->ext_sk, ext) == WOLFSSL_FAILURE) {
wolfSSL_X509_EXTENSION_free(ext);
ext = NULL;
}
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return ext;
}
/**
* @param str String to copy
* @param buf Output buffer. If this contains a pointer then it is free'd
* with the DYNAMIC_TYPE_X509_EXT hint.
* @param len Output length
* @return WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on error
*/
static int asn1_string_copy_to_buffer(WOLFSSL_ASN1_STRING* str, byte** buf,
word32* len, void* heap) {
if (!str || !buf || !len) {
return WOLFSSL_FAILURE;
}
if (str->data && str->length > 0) {
if (*buf)
XFREE(*buf, heap, DYNAMIC_TYPE_X509_EXT);
*len = 0;
*buf = (byte*)XMALLOC(str->length, heap,
DYNAMIC_TYPE_X509_EXT);
if (!*buf) {
WOLFSSL_MSG("malloc error");
return WOLFSSL_FAILURE;
}
*len = str->length;
XMEMCPY(*buf, str->data, str->length);
}
(void)heap;
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_add_ext(WOLFSSL_X509 *x509, WOLFSSL_X509_EXTENSION *ext, int loc)
{
int nid;
WOLFSSL_ENTER("wolfSSL_X509_add_ext");
if (!x509 || !ext || loc >= 0) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FAILURE;
}
nid = (ext->obj != NULL) ? ext->obj->type : ext->value.nid;
switch (nid) {
case NID_authority_key_identifier:
if (x509->authKeyIdSrc != NULL) {
/* If authKeyId points into authKeyIdSrc then free it and
* revert to old functionality */
XFREE(x509->authKeyIdSrc, x509->heap, DYNAMIC_TYPE_X509_EXT);
x509->authKeyIdSrc = NULL;
x509->authKeyId = NULL;
}
if (asn1_string_copy_to_buffer(&ext->value, &x509->authKeyId,
&x509->authKeyIdSz, x509->heap) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("asn1_string_copy_to_buffer error");
return WOLFSSL_FAILURE;
}
x509->authKeyIdCrit = (byte)ext->crit;
break;
case NID_subject_key_identifier:
if (asn1_string_copy_to_buffer(&ext->value, &x509->subjKeyId,
&x509->subjKeyIdSz, x509->heap) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("asn1_string_copy_to_buffer error");
return WOLFSSL_FAILURE;
}
x509->subjKeyIdCrit = (byte)ext->crit;
break;
case NID_subject_alt_name:
{
WOLFSSL_GENERAL_NAMES* gns = ext->ext_sk;
while (gns) {
WOLFSSL_GENERAL_NAME* gn = gns->data.gn;
if ((gn != NULL) && (gn->type == ASN_OTHER_TYPE)) {
char *buf = NULL;
int ret = 0;
word32 len = 0;
len = SetOthername(gn->d.otherName, NULL);
if (len == WOLFSSL_FAILURE) {
return WOLFSSL_FAILURE;
}
buf = (char*)XMALLOC(len, x509->heap, DYNAMIC_TYPE_X509_EXT);
if (buf == NULL) {
WOLFSSL_MSG("Couldn't allocate memory for othername");
return WOLFSSL_FAILURE;
}
/* SetOthername() cannot fail; already passed above. */
SetOthername(gn->d.otherName, (byte*)buf);
ret = wolfSSL_X509_add_altname_ex(x509, buf, len,
ASN_OTHER_TYPE);
XFREE(buf, x509->heap, DYNAMIC_TYPE_X509_EXT);
if (ret == WOLFSSL_FAILURE) {
WOLFSSL_MSG("wolfSSL_X509_add_altname_ex() failed");
return WOLFSSL_FAILURE;
}
}
else if (!gn || !gn->d.ia5 ||
wolfSSL_X509_add_altname_ex(x509, gn->d.ia5->data,
gn->d.ia5->length, gn->type) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Subject alternative name missing extension");
return WOLFSSL_FAILURE;
}
gns = gns->next;
}
x509->subjAltNameSet = 1;
x509->subjAltNameCrit = (byte)ext->crit;
break;
}
case NID_key_usage:
if (ext && ext->value.data) {
if (ext->value.length == sizeof(word16)) {
/* if ext->value is already word16, set directly */
x509->keyUsage = *(word16*)ext->value.data;
x509->keyUsageCrit = (byte)ext->crit;
x509->keyUsageSet = 1;
}
else if (ext->value.length > 0) {
/* ext->value is comma-delimited string, convert to word16 */
if (ParseKeyUsageStr(ext->value.data, &x509->keyUsage,
x509->heap) != 0) {
return WOLFSSL_FAILURE;
}
x509->keyUsageCrit = (byte)ext->crit;
x509->keyUsageSet = 1;
}
else {
return WOLFSSL_FAILURE;
}
}
break;
case NID_ext_key_usage:
if (ext && ext->value.data) {
if (ext->value.length == sizeof(byte)) {
/* if ext->value is already word16, set directly */
x509->extKeyUsage = *(byte*)ext->value.data;
x509->extKeyUsageCrit = (byte)ext->crit;
}
else if (ext->value.length > 0) {
/* ext->value is comma-delimited string, convert to word16 */
if (ParseExtKeyUsageStr(ext->value.data, &x509->extKeyUsage,
x509->heap) != 0) {
return WOLFSSL_FAILURE;
}
x509->extKeyUsageCrit = (byte)ext->crit;
}
else {
return WOLFSSL_FAILURE;
}
}
break;
case NID_basic_constraints:
if (ext->obj) {
x509->isCa = (byte)ext->obj->ca;
x509->basicConstCrit = (byte)ext->crit;
if (ext->obj->pathlen)
x509->pathLength = ext->obj->pathlen->length;
x509->basicConstSet = 1;
}
break;
default:
#ifdef WOLFSSL_CUSTOM_OID
if ((ext->obj == NULL) || (ext->value.length == 0)) {
WOLFSSL_MSG("Extension has insufficient information.");
return WOLFSSL_FAILURE;
}
if ((x509->customExtCount < 0) ||
(x509->customExtCount >= NUM_CUSTOM_EXT)) {
WOLFSSL_MSG("Bad value for customExtCount.");
return WOLFSSL_FAILURE;
}
/* This is a viable custom extension. */
char *oid = XMALLOC(MAX_OID_STRING_SZ, x509->heap,
DYNAMIC_TYPE_X509_EXT);
byte *val = XMALLOC(ext->value.length, x509->heap,
DYNAMIC_TYPE_X509_EXT);
int err = 0;
if ((oid == NULL) || (val == NULL)) {
WOLFSSL_MSG("Memory allocation failure.\n");
err = 1;
}
if (err == 0) {
XMEMCPY(val, ext->value.data, ext->value.length);
if (wolfSSL_OBJ_obj2txt(oid, MAX_OID_STRING_SZ, ext->obj, 1) < 0) {
err = 1;
}
}
if (err == 1) {
XFREE(val, x509->heap, DYNAMIC_TYPE_X509_EXT);
XFREE(oid, x509->heap, DYNAMIC_TYPE_X509_EXT);
return WOLFSSL_FAILURE;
}
/* x509->custom_exts now owns the buffers and they must be managed. */
x509->custom_exts[x509->customExtCount].oid = oid;
x509->custom_exts[x509->customExtCount].crit = ext->crit;
x509->custom_exts[x509->customExtCount].val = val;
x509->custom_exts[x509->customExtCount].valSz = ext->value.length;
x509->customExtCount++;
#else
WOLFSSL_MSG("Unsupported extension to add");
return WOLFSSL_FAILURE;
#endif /* WOLFSSL_CUSTOM_OID */
break;
}
return WOLFSSL_SUCCESS;
}
#ifndef NO_BIO
/* Return 0 on success and 1 on failure. Copies ext data to bio, using indent
* to pad the output. flag is ignored. */
int wolfSSL_X509V3_EXT_print(WOLFSSL_BIO *out, WOLFSSL_X509_EXTENSION *ext,
unsigned long flag, int indent)
{
ASN1_OBJECT* obj;
ASN1_STRING* str;
int nid;
int rc = WOLFSSL_FAILURE;
char tmp[CTC_NAME_SIZE*2 + 1];
const int tmpSz = sizeof(tmp);
int tmpLen = 0;
WOLFSSL_ENTER("wolfSSL_X509V3_EXT_print");
if ((out == NULL) || (ext == NULL)) {
WOLFSSL_MSG("NULL parameter error");
return rc;
}
obj = wolfSSL_X509_EXTENSION_get_object(ext);
if (obj == NULL) {
WOLFSSL_MSG("Error getting ASN1_OBJECT from X509_EXTENSION");
return rc;
}
str = wolfSSL_X509_EXTENSION_get_data(ext);
if (str == NULL) {
WOLFSSL_MSG("Error getting ASN1_STRING from X509_EXTENSION");
return rc;
}
/* Print extension based on the type */
nid = wolfSSL_OBJ_obj2nid(obj);
switch (nid) {
case BASIC_CA_OID:
{
char isCa[] = "TRUE";
char notCa[] = "FALSE";
if ((tmpLen = XSNPRINTF(tmp, tmpSz, "%*sCA:%s", indent, "",
obj->ca ? isCa : notCa))
>= tmpSz)
return rc;
break;
}
case ALT_NAMES_OID:
{
WOLFSSL_STACK* sk;
char* val;
int valLen;
int len;
sk = ext->ext_sk;
while (sk != NULL) {
if (sk->type == STACK_TYPE_GEN_NAME && sk->data.gn) {
/* str is GENERAL_NAME for subject alternative name ext */
str = sk->data.gn->d.ia5;
len = str->length + 2; /* + 2 for NULL char and "," */
if (len > tmpSz) {
WOLFSSL_MSG("len greater than buffer size");
return rc;
}
val = (char*)XMALLOC(len + indent, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (val == NULL) {
WOLFSSL_MSG("Memory error");
return rc;
}
if (sk->next) {
if ((valLen = XSNPRINTF(val, len, "%*s%s,",
indent, "", str->strData))
>= len) {
XFREE(val, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return rc;
}
} else {
if ((valLen = XSNPRINTF(val, len, "%*s%s",
indent, "", str->strData))
>= len) {
XFREE(val, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return rc;
}
}
if ((tmpLen + valLen) >= tmpSz) {
XFREE(val, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return rc;
}
XMEMCPY(tmp + tmpLen, val, valLen);
tmpLen += valLen;
XFREE(val, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
sk = sk->next;
}
break;
}
case AUTH_KEY_OID:
case SUBJ_KEY_OID:
{
char* asn1str;
asn1str = wolfSSL_i2s_ASN1_STRING(NULL, str);
tmpLen = XSNPRINTF(tmp, tmpSz, "%*s%s", indent, "", asn1str);
XFREE(asn1str, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (tmpLen >= tmpSz) return rc;
break;
}
case AUTH_INFO_OID:
case CERT_POLICY_OID:
case CRL_DIST_OID:
case KEY_USAGE_OID:
WOLFSSL_MSG("X509V3_EXT_print not yet implemented for ext type");
break;
default:
if ((tmpLen = XSNPRINTF(
tmp, tmpSz, "%*s%s", indent, "", str->strData))
>= tmpSz)
return rc;
}
if (wolfSSL_BIO_write(out, tmp, tmpLen) == tmpLen) {
rc = WOLFSSL_SUCCESS;
}
(void) flag;
return rc;
}
#endif /* !NO_BIO */
#ifndef NO_WOLFSSL_STUB
int wolfSSL_X509V3_EXT_add_nconf(WOLFSSL_CONF *conf, WOLFSSL_X509V3_CTX *ctx,
const char *section, WOLFSSL_X509 *cert)
{
WOLFSSL_ENTER("wolfSSL_X509V3_EXT_add_nconf");
WOLFSSL_STUB("wolfSSL_X509V3_EXT_add_nconf");
(void)conf;
(void)ctx;
(void)section;
(void)cert;
return WOLFSSL_SUCCESS;
}
#endif
/* Returns crit flag in X509_EXTENSION object */
int wolfSSL_X509_EXTENSION_get_critical(const WOLFSSL_X509_EXTENSION* ex)
{
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_get_critical");
if (ex == NULL)
return BAD_FUNC_ARG;
return ex->crit;
}
/* Sets if the extension is critical
* returns WOLFSSL_SUCCESS on success
*/
int wolfSSL_X509_EXTENSION_set_critical(WOLFSSL_X509_EXTENSION* ex, int crit)
{
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_set_critical");
if (ex == NULL)
return WOLFSSL_FAILURE;
ex->crit = crit;
return WOLFSSL_SUCCESS;
}
/* Creates v3_ext_method for a given X509v3 extension
*
* ex : The X509_EXTENSION used to create v3_ext_method. If the extension is
* not NULL, get the NID of the extension object and populate the
* extension type-specific X509V3_EXT_* function(s) in v3_ext_method.
*
* Returns NULL on error or pointer to the v3_ext_method populated with extension
* type-specific X509V3_EXT_* function(s).
*
* NOTE: NID_subject_key_identifier is currently the only extension implementing
* the X509V3_EXT_* functions, as it is the only type called directly by QT. The
* other extension types return a pointer to a v3_ext_method struct that contains
* only the NID.
*/
#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L
const WOLFSSL_v3_ext_method* wolfSSL_X509V3_EXT_get(WOLFSSL_X509_EXTENSION* ex)
#else
WOLFSSL_v3_ext_method* wolfSSL_X509V3_EXT_get(WOLFSSL_X509_EXTENSION* ex)
#endif
{
int nid;
WOLFSSL_v3_ext_method method;
WOLFSSL_ENTER("wolfSSL_X509V3_EXT_get");
if ((ex == NULL) || (ex->obj == NULL)) {
WOLFSSL_MSG("Passed an invalid X509_EXTENSION*");
return NULL;
}
/* Initialize method to 0 */
XMEMSET(&method, 0, sizeof(struct WOLFSSL_v3_ext_method));
nid = ex->obj->nid;
if (nid <= 0) {
WOLFSSL_MSG("Failed to get nid from passed extension object");
return NULL;
}
XMEMSET(&method, 0, sizeof(WOLFSSL_v3_ext_method));
switch (nid) {
case NID_basic_constraints:
break;
case NID_subject_key_identifier:
method.i2s = (X509V3_EXT_I2S)wolfSSL_i2s_ASN1_STRING;
break;
case NID_subject_alt_name:
WOLFSSL_MSG("i2v function not yet implemented for Subject Alternative Name");
break;
case NID_key_usage:
WOLFSSL_MSG("i2v function not yet implemented for Key Usage");
break;
case NID_authority_key_identifier:
WOLFSSL_MSG("i2v function not yet implemented for Auth Key Id");
break;
case NID_info_access:
WOLFSSL_MSG("i2v function not yet implemented for Info Access");
break;
case NID_ext_key_usage:
WOLFSSL_MSG("i2v function not yet implemented for Ext Key Usage");
break;
case NID_certificate_policies:
WOLFSSL_MSG("r2i function not yet implemented for Cert Policies");
break;
case NID_crl_distribution_points:
WOLFSSL_MSG("r2i function not yet implemented for CRL Dist Points");
break;
default:
/* If extension type is unknown, return NULL -- QT makes call to
X509_EXTENSION_get_data() if there is no v3_ext_method */
WOLFSSL_MSG("X509V3_EXT_get(): Unknown extension type found");
return NULL;
}
method.ext_nid = nid;
ex->ext_method = method;
#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L
return (const WOLFSSL_v3_ext_method*)&ex->ext_method;
#else
return (WOLFSSL_v3_ext_method*)&ex->ext_method;
#endif
}
/* Create an Authority Info Access (AIA) from the contents of the extension.
*
* AIA is a stack of Access Descriptions.
*
* RFC 5280: 4.2.2.1
*
* @param [in] ext X509v3 extension.
* @return Stack of Access Descriptions as an AIA on success.
* @return NULL on error.
*/
static WOLFSSL_AUTHORITY_INFO_ACCESS* wolfssl_x509v3_ext_aia_d2i(
WOLFSSL_X509_EXTENSION* ext)
{
int err = 0;
int ret;
WOLFSSL_AUTHORITY_INFO_ACCESS* aia = NULL;
WOLFSSL_STACK* sk;
WOLFSSL_ACCESS_DESCRIPTION* ad = NULL;
/* Get the type specific data of this extension. */
sk = ext->ext_sk;
if (sk == NULL) {
WOLFSSL_MSG("ACCESS_DESCRIPTION stack NULL");
err = 1;
}
if (!err) {
/* AUTHORITY_INFO_ACCESS is a stack of ACCESS_DESCRIPTION entries. */
aia = wolfSSL_sk_new_null();
if (aia == NULL) {
WOLFSSL_MSG("Failed to malloc AUTHORITY_INFO_ACCESS");
err = 1;
}
}
if (!err) {
/* AIA is a stack of Access Descriptions. */
aia->type = STACK_TYPE_ACCESS_DESCRIPTION;
}
while ((!err) && (sk != NULL)) {
WOLFSSL_ASN1_OBJECT* aiaEntry;
/* Looking for objects in extension's data. */
if (sk->type != STACK_TYPE_OBJ) {
sk = sk->next;
continue;
}
/* Get ASN.1 Object from the stack entry's data. */
aiaEntry = sk->data.obj;
/* ACCESS_DESCRIPTION has two members: method and location.
* method: ASN1_OBJECT as either AIA_OCSP_OID or AIA_CA_ISSUER_OID
* location: GENERAL_NAME structure containing the URI.
*/
/* Allocate a new Access Description. */
ad = (WOLFSSL_ACCESS_DESCRIPTION*)XMALLOC(
sizeof(WOLFSSL_ACCESS_DESCRIPTION), NULL, DYNAMIC_TYPE_X509_EXT);
if (ad == NULL) {
WOLFSSL_MSG("Failed to malloc ACCESS_DESCRIPTION");
err = 1;
break;
}
XMEMSET(ad, 0, sizeof(WOLFSSL_ACCESS_DESCRIPTION));
/* Create new ASN1_OBJECT from NID. */
ad->method = wolfSSL_OBJ_nid2obj(aiaEntry->nid);
if (ad->method == NULL) {
WOLFSSL_MSG("OBJ_nid2obj() failed");
err = 1;
break;
}
/* Allocate memory for GENERAL NAME. */
ad->location = wolfSSL_GENERAL_NAME_new();
if (ad->location == NULL) {
WOLFSSL_MSG("Failed to malloc GENERAL_NAME");
err = 1;
break;
}
/* Set the type of general name to URI (only type supported). */
ret = wolfSSL_GENERAL_NAME_set_type(ad->location, GEN_URI);
if (ret != WOLFSSL_SUCCESS) {
err = 1;
break;
}
/* Set the URI into GENERAL_NAME. */
ret = wolfSSL_ASN1_STRING_set(ad->location->d.uniformResourceIdentifier,
aiaEntry->obj, aiaEntry->objSz);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
err = 1;
break;
}
/* Push onto AUTHORITY_INFO_ACCESS stack. */
ret = wolfSSL_sk_ACCESS_DESCRIPTION_push(aia, ad);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error pushing ASN1 AD onto stack");
err = 1;
break;
}
/* Set to NULL so that it doesn't get freed now it is in AIA stack. */
ad = NULL;
sk = sk->next;
}
if (err) {
/* Dispose of Access Description if not put in stack. */
if (ad != NULL) {
wolfSSL_ASN1_OBJECT_free(ad->method);
wolfSSL_GENERAL_NAME_free(ad->location);
XFREE(ad, NULL, DYNAMIC_TYPE_X509_EXT);
}
/* Dispose of incomplete Access Description stack. */
wolfSSL_sk_ACCESS_DESCRIPTION_pop_free(aia, NULL);
aia = NULL;
}
return aia;
}
/* Parses and returns an x509v3 extension internal structure.
*
* ext : The X509_EXTENSION for parsing internal structure. If extension is
* not NULL, get the NID of the extension object and create a new
* extension-specific internal structure based on the extension type.
*
* Returns NULL on error or if NID is not found, otherwise returns a pointer to
* the extension type-specific X509_EXTENSION internal structure.
* Return is expected to be free'd by caller.
*/
void* wolfSSL_X509V3_EXT_d2i(WOLFSSL_X509_EXTENSION* ext)
{
const WOLFSSL_v3_ext_method* method;
int ret;
WOLFSSL_ASN1_OBJECT* object;
WOLFSSL_BASIC_CONSTRAINTS* bc;
WOLFSSL_AUTHORITY_KEYID* akey;
WOLFSSL_ASN1_STRING* asn1String, *newString;
WOLFSSL_STACK* sk;
WOLFSSL_ENTER("wolfSSL_X509V3_EXT_d2i");
if(ext == NULL) {
WOLFSSL_MSG("Bad function Argument");
return NULL;
}
/* extract extension info */
method = wolfSSL_X509V3_EXT_get(ext);
if (method == NULL) {
WOLFSSL_MSG("wolfSSL_X509V3_EXT_get error");
return NULL;
}
object = wolfSSL_X509_EXTENSION_get_object(ext);
if (object == NULL) {
WOLFSSL_MSG("X509_EXTENSION_get_object failed");
return NULL;
}
/* Return pointer to proper internal structure based on NID */
switch (object->type) {
/* basicConstraints */
case (NID_basic_constraints):
WOLFSSL_MSG("basicConstraints");
/* Allocate new BASIC_CONSTRAINTS structure */
bc = wolfSSL_BASIC_CONSTRAINTS_new();
if (bc == NULL) {
WOLFSSL_MSG("Failed to malloc basic constraints");
return NULL;
}
/* Copy pathlen and CA into BASIC_CONSTRAINTS from object */
bc->ca = object->ca;
if (object->pathlen->length > 0) {
bc->pathlen = wolfSSL_ASN1_INTEGER_dup(object->pathlen);
if (bc->pathlen == NULL) {
WOLFSSL_MSG("Failed to duplicate ASN1_INTEGER");
wolfSSL_BASIC_CONSTRAINTS_free(bc);
return NULL;
}
}
else
bc->pathlen = NULL;
return bc;
/* subjectKeyIdentifier */
case (NID_subject_key_identifier):
WOLFSSL_MSG("subjectKeyIdentifier");
asn1String = wolfSSL_X509_EXTENSION_get_data(ext);
if (asn1String == NULL) {
WOLFSSL_MSG("X509_EXTENSION_get_data() failed");
return NULL;
}
newString = wolfSSL_ASN1_STRING_new();
if (newString == NULL) {
WOLFSSL_MSG("Failed to malloc ASN1_STRING");
return NULL;
}
ret = wolfSSL_ASN1_STRING_set(newString, asn1String->data,
asn1String->length);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
wolfSSL_ASN1_STRING_free(newString);
return NULL;
};
newString->type = asn1String->type;
return newString;
/* authorityKeyIdentifier */
case (NID_authority_key_identifier):
WOLFSSL_MSG("AuthorityKeyIdentifier");
akey = (WOLFSSL_AUTHORITY_KEYID*)
XMALLOC(sizeof(WOLFSSL_AUTHORITY_KEYID), NULL,
DYNAMIC_TYPE_X509_EXT);
if (akey == NULL) {
WOLFSSL_MSG("Failed to malloc authority key id");
return NULL;
}
XMEMSET(akey, 0, sizeof(WOLFSSL_AUTHORITY_KEYID));
akey->keyid = wolfSSL_ASN1_STRING_new();
if (akey->keyid == NULL) {
WOLFSSL_MSG("ASN1_STRING_new() failed");
wolfSSL_AUTHORITY_KEYID_free(akey);
return NULL;
}
asn1String = wolfSSL_X509_EXTENSION_get_data(ext);
if (asn1String == NULL) {
WOLFSSL_MSG("X509_EXTENSION_get_data() failed");
wolfSSL_AUTHORITY_KEYID_free(akey);
return NULL;
}
ret = wolfSSL_ASN1_STRING_set(akey->keyid, asn1String->data,
asn1String->length);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
wolfSSL_AUTHORITY_KEYID_free(akey);
return NULL;
};
akey->keyid->type = asn1String->type;
/* For now, set issuer and serial to NULL. This may need to be
updated for future use */
akey->issuer = NULL;
akey->serial = NULL;
return akey;
/* keyUsage */
case (NID_key_usage):
WOLFSSL_MSG("keyUsage");
/* This may need to be updated for future use. The i2v method for
keyUsage is not currently set. For now, return the ASN1_STRING
representation of KeyUsage bit string */
asn1String = wolfSSL_X509_EXTENSION_get_data(ext);
if (asn1String == NULL) {
WOLFSSL_MSG("X509_EXTENSION_get_data() failed");
return NULL;
}
newString = wolfSSL_ASN1_STRING_new();
if (newString == NULL) {
WOLFSSL_MSG("Failed to malloc ASN1_STRING");
return NULL;
}
ret = wolfSSL_ASN1_STRING_set(newString, asn1String->data,
asn1String->length);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set() failed");
wolfSSL_ASN1_STRING_free(newString);
return NULL;
};
newString->type = asn1String->type;
return newString;
/* extKeyUsage */
case (NID_ext_key_usage):
WOLFSSL_MSG("extKeyUsage not supported yet");
return NULL;
/* certificatePolicies */
case (NID_certificate_policies):
WOLFSSL_MSG("certificatePolicies not supported yet");
return NULL;
/* cRLDistributionPoints */
case (NID_crl_distribution_points):
WOLFSSL_MSG("cRLDistributionPoints not supported yet");
return NULL;
case NID_subject_alt_name:
if (ext->ext_sk == NULL) {
WOLFSSL_MSG("Subject alt name stack NULL");
return NULL;
}
sk = wolfSSL_sk_dup(ext->ext_sk);
if (sk == NULL) {
WOLFSSL_MSG("Failed to duplicate subject alt names stack.");
return NULL;
}
return sk;
/* authorityInfoAccess */
case NID_info_access:
WOLFSSL_MSG("AuthorityInfoAccess");
return wolfssl_x509v3_ext_aia_d2i(ext);
default:
WOLFSSL_MSG("Extension NID not in table, returning NULL");
break;
}
return NULL;
}
/* Looks for the extension matching the passed in nid
*
* x509 : certificate to get parse through for extension.
* nid : Extension OID to be found.
* lastPos : Start search from extension after lastPos.
* Set to -1 to search from index 0.
* return >= 0 If successful the extension index is returned.
* return -1 If extension is not found or error is encountered.
*/
int wolfSSL_X509_get_ext_by_NID(const WOLFSSL_X509* x509, int nid, int lastPos)
{
int extCount = 0, length = 0, outSz = 0, sz = 0, ret = 0;
int isSet = 0, found = 0, loc;
const byte* rawCert;
const byte* input;
word32 oid, idx = 0, tmpIdx = 0, foundNID;
#ifdef WOLFSSL_SMALL_STACK
DecodedCert *cert;
#else
DecodedCert cert[1];
#endif
WOLFSSL_ENTER("wolfSSL_X509_get_ext_by_NID");
if(x509 == NULL){
WOLFSSL_MSG("\tNot passed a certificate");
return WOLFSSL_FATAL_ERROR;
}
if(lastPos < -1 || (lastPos > (wolfSSL_X509_get_ext_count(x509) - 1))){
WOLFSSL_MSG("\tBad location argument");
return WOLFSSL_FATAL_ERROR;
}
loc = lastPos + 1;
rawCert = wolfSSL_X509_get_der((WOLFSSL_X509*)x509, &outSz);
if (rawCert == NULL) {
WOLFSSL_MSG("\tX509_get_der() failed");
return WOLFSSL_FATAL_ERROR;
}
#ifdef WOLFSSL_SMALL_STACK
cert = (DecodedCert *)XMALLOC(sizeof(*cert), x509->heap,
DYNAMIC_TYPE_DCERT);
if (cert == NULL) {
WOLFSSL_MSG("\tout of memory");
return WOLFSSL_FATAL_ERROR;
}
#endif
InitDecodedCert( cert, rawCert, (word32)outSz, 0);
if (ParseCert(cert,
#ifdef WOLFSSL_CERT_REQ
x509->isCSR ? CERTREQ_TYPE :
#endif
CA_TYPE,
NO_VERIFY, NULL) < 0) {
WOLFSSL_MSG("\tCertificate parsing failed");
goto out;
}
input = cert->extensions;
sz = cert->extensionsSz;
if (input == NULL || sz == 0) {
WOLFSSL_MSG("\tfail: should be an EXTENSIONS");
goto out;
}
#ifdef WOLFSSL_CERT_REQ
if (!x509->isCSR)
#endif
{
if (input[idx++] != ASN_EXTENSIONS) {
WOLFSSL_MSG("\tfail: should be an EXTENSIONS");
goto out;
}
if (GetLength(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: invalid length");
goto out;
}
}
if (GetSequence(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: should be a SEQUENCE (1)");
goto out;
}
while (idx < (word32)sz) {
oid = 0;
if (GetSequence(input, &idx, &length, sz) < 0) {
WOLFSSL_MSG("\tfail: should be a SEQUENCE");
goto out;
}
tmpIdx = idx;
ret = GetObjectId(input, &idx, &oid, oidCertExtType, sz);
if (ret < 0) {
WOLFSSL_MSG("\tfail: OBJECT ID");
goto out;
}
idx = tmpIdx;
foundNID = (word32)oid2nid(oid, oidCertExtType);
if (extCount >= loc) {
/* extCount >= loc. Now check if extension has been set */
isSet = wolfSSL_X509_ext_isSet_by_NID((WOLFSSL_X509*)x509, foundNID);
if (isSet && ((word32)nid == foundNID)) {
found = 1;
break;
}
}
idx += length;
extCount++;
} /* while(idx < sz) */
out:
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, x509->heap, DYNAMIC_TYPE_DCERT);
#endif
return found ? extCount : WOLFSSL_FATAL_ERROR;
}
#endif /* OPENSSL_ALL || OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
/* Looks for the extension matching the passed in nid
*
* c : if not null then is set to status value -2 if multiple occurrences
* of the extension are found, -1 if not found, 0 if found and not
* critical, and 1 if found and critical.
* nid : Extension OID to be found.
* idx : if NULL return first extension found match, otherwise start search at
* idx location and set idx to the location of extension returned.
* returns NULL or a pointer to an WOLFSSL_ASN1_BIT_STRING (for KEY_USAGE_OID)
* or WOLFSSL_STACK (for other)
* holding extension structure
*
* NOTE code for decoding extensions is in asn.c DecodeCertExtensions --
* use already decoded extension in this function to avoid decoding twice.
* Currently we do not make use of idx since getting pre decoded extensions.
*/
void* wolfSSL_X509_get_ext_d2i(const WOLFSSL_X509* x509, int nid, int* c,
int* idx)
{
void* ret = NULL;
WOLFSSL_STACK* sk = NULL;
WOLFSSL_ASN1_OBJECT* obj = NULL;
WOLFSSL_GENERAL_NAME* gn = NULL;
#ifdef OPENSSL_EXTRA
WOLFSSL_DIST_POINT* dp = NULL;
#endif
WOLFSSL_BASIC_CONSTRAINTS* bc = NULL;
WOLFSSL_ENTER("wolfSSL_X509_get_ext_d2i");
if (x509 == NULL) {
return NULL;
}
if (c != NULL) {
*c = -1; /* default to not found */
}
switch (nid) {
case BASIC_CA_OID:
if (x509->basicConstSet) {
WOLFSSL_ASN1_INTEGER* a;
bc = wolfSSL_BASIC_CONSTRAINTS_new();
if (!bc) {
WOLFSSL_MSG("wolfSSL_BASIC_CONSTRAINTS_new error");
return NULL;
}
a = wolfSSL_ASN1_INTEGER_new();
if (!a) {
WOLFSSL_MSG("wolfSSL_ASN1_INTEGER_new error");
wolfSSL_BASIC_CONSTRAINTS_free(bc);
return NULL;
}
a->length = x509->pathLength;
#if defined(OPENSSL_ALL) || defined(WOLFSSL_QT) || \
defined(WOLFSSL_APACHE_HTTPD)
bc->ca = x509->isCa;
#endif
bc->pathlen = a;
if (c != NULL) {
*c = x509->basicConstCrit;
}
}
else {
WOLFSSL_MSG("No Basic Constraint set");
}
return bc;
case ALT_NAMES_OID:
{
DNS_entry* dns = NULL;
if (x509->subjAltNameSet && x509->altNames != NULL) {
/* Malloc GENERAL_NAME stack */
sk = wolfSSL_sk_new_null();
if (sk == NULL)
return NULL;
sk->type = STACK_TYPE_GEN_NAME;
/* alt names are DNS_entry structs */
if (c != NULL) {
if (x509->altNames->next != NULL) {
*c = -2; /* more then one found */
}
else {
*c = x509->subjAltNameCrit;
}
}
dns = x509->altNames;
/* Currently only support GEN_DNS type */
while (dns != NULL) {
gn = wolfSSL_GENERAL_NAME_new();
if (gn == NULL) {
WOLFSSL_MSG("Error creating GENERAL_NAME");
goto err;
}
gn->type = dns->type;
switch (gn->type) {
case ASN_DIR_TYPE:
{
int localIdx = 0;
unsigned char* n = (unsigned char*)XMALLOC(
dns->len + MAX_SEQ_SZ, x509->heap,
DYNAMIC_TYPE_TMP_BUFFER);
if (n == NULL) {
goto err;
}
localIdx += SetSequence(dns->len, n);
XMEMCPY(n + localIdx, dns->name, dns->len);
gn->d.dirn = wolfSSL_d2i_X509_NAME(NULL, &n,
dns->len + localIdx);
XFREE(n, x509->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (gn->d.dirn == NULL) {
WOLFSSL_MSG("Convert altDirName to X509 "
"NAME failed");
goto err;
}
}
break;
case ASN_OTHER_TYPE:
if (!wolfssl_dns_entry_othername_to_gn(dns, gn)) {
goto err;
}
break;
default:
if (wolfSSL_ASN1_STRING_set(gn->d.dNSName,
dns->name, dns->len) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set failed");
goto err;
}
gn->d.dNSName->type = V_ASN1_IA5STRING;
}
dns = dns->next;
if (wolfSSL_sk_GENERAL_NAME_push(sk, gn) !=
WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error pushing ASN1 object onto stack");
goto err;
}
/* null so that it doesn't get pushed again after switch */
gn = NULL;
}
}
else {
WOLFSSL_MSG("No Alt Names set");
}
break;
}
case CRL_DIST_OID:
#if defined(OPENSSL_EXTRA)
if (x509->CRLdistSet && x509->CRLInfo != NULL) {
if (c != NULL) {
*c = x509->CRLdistCrit;
}
sk = wolfSSL_sk_new_null();
if (sk == NULL) {
return NULL;
}
sk->type = STACK_TYPE_DIST_POINT;
gn = wolfSSL_GENERAL_NAME_new();
if (gn == NULL) {
WOLFSSL_MSG("Error creating GENERAL_NAME");
goto err;
}
if (wolfSSL_GENERAL_NAME_set_type(gn, GEN_URI) !=
WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error setting GENERAL_NAME type");
goto err;
}
if (wolfSSL_ASN1_STRING_set(gn->d.uniformResourceIdentifier,
x509->CRLInfo, x509->CRLInfoSz) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("ASN1_STRING_set failed");
goto err;
}
/* wolfSSL only decodes one dist point */
dp = wolfSSL_DIST_POINT_new();
if (dp == NULL) {
WOLFSSL_MSG("Error creating DIST_POINT");
goto err;
}
/* push GENERAL_NAME onto fullname stack */
if (wolfSSL_sk_GENERAL_NAME_push(dp->distpoint->name.fullname,
gn) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_sk_GENERAL_NAME_push error");
goto err;
}
/* push DIST_POINT onto stack */
if (wolfSSL_sk_DIST_POINT_push(sk, dp) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error pushing DIST_POINT onto stack");
goto err;
}
gn = NULL;
dp = NULL;
}
else {
WOLFSSL_MSG("No CRL dist set");
}
#endif /* OPENSSL_EXTRA */
break;
case AUTH_INFO_OID:
if (x509->authInfoSet && x509->authInfo != NULL) {
if (c != NULL) {
*c = x509->authInfoCrit;
}
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
return NULL;
}
obj->type = AUTH_INFO_OID;
obj->grp = oidCertExtType;
obj->obj = x509->authInfo;
obj->objSz = x509->authInfoSz;
}
else {
WOLFSSL_MSG("No Auth Info set");
}
break;
case AUTH_KEY_OID:
if (x509->authKeyIdSet) {
WOLFSSL_AUTHORITY_KEYID* akey = wolfSSL_AUTHORITY_KEYID_new();
if (!akey) {
WOLFSSL_MSG("Issue creating WOLFSSL_AUTHORITY_KEYID struct");
return NULL;
}
if (c != NULL) {
*c = x509->authKeyIdCrit;
}
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
wolfSSL_AUTHORITY_KEYID_free(akey);
return NULL;
}
obj->type = AUTH_KEY_OID;
obj->grp = oidCertExtType;
obj->obj = x509->authKeyId;
obj->objSz = x509->authKeyIdSz;
akey->issuer = obj;
return akey;
}
else {
WOLFSSL_MSG("No Auth Key set");
}
break;
case SUBJ_KEY_OID:
if (x509->subjKeyIdSet) {
if (c != NULL) {
*c = x509->subjKeyIdCrit;
}
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
return NULL;
}
obj->type = SUBJ_KEY_OID;
obj->grp = oidCertExtType;
obj->obj = x509->subjKeyId;
obj->objSz = x509->subjKeyIdSz;
}
else {
WOLFSSL_MSG("No Subject Key set");
}
break;
case CERT_POLICY_OID:
{
#ifdef WOLFSSL_CERT_EXT
int i;
if (x509->certPoliciesNb > 0) {
if (c != NULL) {
if (x509->certPoliciesNb > 1) {
*c = -2;
}
else {
*c = 0;
}
}
sk = wolfSSL_sk_new_asn1_obj();
if (sk == NULL) {
return NULL;
}
for (i = 0; i < x509->certPoliciesNb - 1; i++) {
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL);
return NULL;
}
obj->type = CERT_POLICY_OID;
obj->grp = oidCertExtType;
obj->obj = (byte*)(x509->certPolicies[i]);
obj->objSz = MAX_CERTPOL_SZ;
if (wolfSSL_sk_ASN1_OBJECT_push(sk, obj)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error pushing ASN1 object onto stack");
wolfSSL_ASN1_OBJECT_free(obj);
wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL);
sk = NULL;
}
}
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
wolfSSL_sk_ASN1_OBJECT_pop_free(sk, NULL);
return NULL;
}
obj->type = CERT_POLICY_OID;
obj->grp = oidCertExtType;
obj->obj = (byte*)(x509->certPolicies[i]);
obj->objSz = MAX_CERTPOL_SZ;
}
else {
WOLFSSL_MSG("No Cert Policy set");
}
#elif defined(WOLFSSL_SEP)
if (x509->certPolicySet) {
if (c != NULL) {
*c = x509->certPolicyCrit;
}
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
return NULL;
}
obj->type = CERT_POLICY_OID;
obj->grp = oidCertExtType;
}
else {
WOLFSSL_MSG("No Cert Policy set");
}
#else
WOLFSSL_MSG("wolfSSL not built with WOLFSSL_SEP or WOLFSSL_CERT_EXT");
#endif
break;
}
case KEY_USAGE_OID:
{
WOLFSSL_ASN1_STRING* asn1str = NULL;
if (x509->keyUsageSet) {
if (c != NULL) {
*c = x509->keyUsageCrit;
}
asn1str = wolfSSL_ASN1_STRING_new();
if (asn1str == NULL) {
WOLFSSL_MSG("Failed to malloc ASN1_STRING");
return NULL;
}
if (wolfSSL_ASN1_STRING_set(asn1str, &x509->keyUsage,
sizeof(word16)) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error");
wolfSSL_ASN1_STRING_free(asn1str);
return NULL;
}
asn1str->type = KEY_USAGE_OID;
}
else {
WOLFSSL_MSG("No Key Usage set");
}
/* don't add stack of and return bit string directly */
return asn1str;
}
case INHIBIT_ANY_OID:
WOLFSSL_MSG("INHIBIT ANY extension not supported");
break;
case EXT_KEY_USAGE_OID:
if (x509->extKeyUsageSrc != NULL) {
if (c != NULL) {
if (x509->extKeyUsageCount > 1) {
*c = -2;
}
else {
*c = x509->extKeyUsageCrit;
}
}
obj = wolfSSL_ASN1_OBJECT_new();
if (obj == NULL) {
WOLFSSL_MSG("Issue creating WOLFSSL_ASN1_OBJECT struct");
return NULL;
}
obj->type = EXT_KEY_USAGE_OID;
obj->grp = oidCertExtType;
obj->obj = x509->extKeyUsageSrc;
obj->objSz = x509->extKeyUsageSz;
}
else {
WOLFSSL_MSG("No Extended Key Usage set");
}
break;
case NAME_CONS_OID:
WOLFSSL_MSG("Name Constraint OID extension not supported");
break;
case PRIV_KEY_USAGE_PERIOD_OID:
WOLFSSL_MSG("Private Key Usage Period extension not supported");
break;
case SUBJ_INFO_ACC_OID:
WOLFSSL_MSG("Subject Info Access extension not supported");
break;
case POLICY_MAP_OID:
WOLFSSL_MSG("Policy Map extension not supported");
break;
case POLICY_CONST_OID:
WOLFSSL_MSG("Policy Constraint extension not supported");
break;
case ISSUE_ALT_NAMES_OID:
WOLFSSL_MSG("Issue Alt Names extension not supported");
break;
case TLS_FEATURE_OID:
WOLFSSL_MSG("TLS Feature extension not supported");
break;
default:
WOLFSSL_MSG("Unsupported/Unknown extension OID");
}
/* make sure stack of is allocated */
if ((obj || gn) && sk == NULL) {
sk = wolfSSL_sk_new_asn1_obj();
if (sk == NULL) {
goto err;
}
}
if (obj) {
if (wolfSSL_sk_ASN1_OBJECT_push(sk, obj) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error pushing ASN1_OBJECT object onto "
"stack.");
goto err;
}
}
ret = sk;
(void)idx;
return ret;
err:
if (obj) {
wolfSSL_ASN1_OBJECT_free(obj);
}
if (gn) {
wolfSSL_GENERAL_NAME_free(gn);
}
#ifdef OPENSSL_EXTRA
if (dp) {
wolfSSL_DIST_POINT_free(dp);
}
#endif
if (sk) {
wolfSSL_sk_pop_free(sk, NULL);
}
return NULL;
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#ifdef OPENSSL_EXTRA
int wolfSSL_X509_add_altname_ex(WOLFSSL_X509* x509, const char* name,
word32 nameSz, int type)
{
DNS_entry* newAltName = NULL;
char* nameCopy = NULL;
if (x509 == NULL)
return WOLFSSL_FAILURE;
if ((name == NULL) || (nameSz == 0))
return WOLFSSL_SUCCESS;
newAltName = AltNameNew(x509->heap);
if (newAltName == NULL)
return WOLFSSL_FAILURE;
nameCopy = (char*)XMALLOC(nameSz + 1, x509->heap, DYNAMIC_TYPE_ALTNAME);
if (nameCopy == NULL) {
XFREE(newAltName, x509->heap, DYNAMIC_TYPE_ALTNAME);
return WOLFSSL_FAILURE;
}
XMEMCPY(nameCopy, name, nameSz);
nameCopy[nameSz] = '\0';
newAltName->next = x509->altNames;
newAltName->type = type;
newAltName->len = nameSz;
newAltName->name = nameCopy;
x509->altNames = newAltName;
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_add_altname(WOLFSSL_X509* x509, const char* name, int type)
{
word32 nameSz;
if (name == NULL)
return WOLFSSL_SUCCESS;
nameSz = (word32)XSTRLEN(name);
if (nameSz == 0)
return WOLFSSL_SUCCESS;
if (type == ASN_IP_TYPE) {
WOLFSSL_MSG("Type not supported, use wolfSSL_X509_add_altname_ex");
return WOLFSSL_FAILURE;
}
return wolfSSL_X509_add_altname_ex(x509, name, nameSz, type);
}
#ifndef NO_WOLFSSL_STUB
WOLFSSL_X509_EXTENSION *wolfSSL_X509_delete_ext(WOLFSSL_X509 *x509, int loc)
{
WOLFSSL_STUB("wolfSSL_X509_delete_ext");
(void)x509;
(void)loc;
return NULL;
}
/* currently LHASH is not implemented (and not needed for Apache port) */
WOLFSSL_X509_EXTENSION* wolfSSL_X509V3_EXT_conf_nid(
WOLF_LHASH_OF(CONF_VALUE)* conf, WOLFSSL_X509V3_CTX* ctx, int nid,
char* value)
{
WOLFSSL_STUB("wolfSSL_X509V3_EXT_conf_nid");
if (conf != NULL) {
WOLFSSL_MSG("Handling LHASH not implemented yet");
return NULL;
}
(void)conf;
(void)ctx;
(void)nid;
(void)value;
return NULL;
}
void wolfSSL_X509V3_set_ctx_nodb(WOLFSSL_X509V3_CTX* ctx)
{
WOLFSSL_STUB("wolfSSL_X509V3_set_ctx_nodb");
(void)ctx;
}
#endif /* !NO_WOLFSSL_STUB */
#ifdef OPENSSL_EXTRA
static WOLFSSL_X509_EXTENSION* createExtFromStr(int nid, const char *value)
{
WOLFSSL_X509_EXTENSION* ext;
if (value == NULL)
return NULL;
ext = wolfSSL_X509_EXTENSION_new();
if (ext == NULL) {
WOLFSSL_MSG("memory error");
return NULL;
}
ext->value.nid = nid;
switch (nid) {
case NID_subject_key_identifier:
case NID_authority_key_identifier:
if (wolfSSL_ASN1_STRING_set(&ext->value, value, -1)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error");
goto err_cleanup;
}
ext->value.type = CTC_UTF8;
break;
case NID_subject_alt_name:
{
WOLFSSL_GENERAL_NAMES* gns;
WOLFSSL_GENERAL_NAME* gn;
if (wolfSSL_ASN1_STRING_set(&ext->value, value, -1)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error");
goto err_cleanup;
}
ext->value.type = ASN_DNS_TYPE;
/* add stack of general names */
gns = wolfSSL_sk_new_null();
if (gns == NULL) {
WOLFSSL_MSG("wolfSSL_sk_new_null error");
goto err_cleanup;
}
ext->ext_sk = gns; /* wolfSSL_X509_EXTENSION_free will handle
* free'ing gns */
gns->type = STACK_TYPE_GEN_NAME;
gn = wolfSSL_GENERAL_NAME_new();
if (gn == NULL) {
WOLFSSL_MSG("wolfSSL_GENERAL_NAME_new error");
goto err_cleanup;
}
if (wolfSSL_sk_GENERAL_NAME_push(gns, gn) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_sk_GENERAL_NAME_push error");
wolfSSL_GENERAL_NAME_free(gn);
goto err_cleanup;
}
if (wolfSSL_ASN1_STRING_set(gn->d.ia5, value, -1)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_set failed");
goto err_cleanup;
}
gn->type = ASN_DNS_TYPE;
break;
}
case NID_key_usage:
if (wolfSSL_ASN1_STRING_set(&ext->value, value, -1)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error");
goto err_cleanup;
}
ext->value.type = KEY_USAGE_OID;
break;
case NID_ext_key_usage:
if (wolfSSL_ASN1_STRING_set(&ext->value, value, -1)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error");
goto err_cleanup;
}
ext->value.type = EXT_KEY_USAGE_OID;
break;
default:
WOLFSSL_MSG("invalid or unsupported NID");
goto err_cleanup;
}
return ext;
err_cleanup:
wolfSSL_X509_EXTENSION_free(ext);
return NULL;
}
/**
* Create a WOLFSSL_X509_EXTENSION from the input arguments.
* @param conf Not used
* @param ctx Not used
* @param nid Interprets the value parameter as the x509 extension that
* corresponds to this NID.
* @param value A NULL terminated string that is taken as the value of the
* newly created extension object.
* @return WOLFSSL_X509_EXTENSION* on success or NULL on failure.
*/
WOLFSSL_X509_EXTENSION* wolfSSL_X509V3_EXT_nconf_nid(WOLFSSL_CONF* conf,
WOLFSSL_X509V3_CTX *ctx, int nid, const char *value)
{
WOLFSSL_ENTER("wolfSSL_X509V3_EXT_nconf_nid");
if (value == NULL) {
WOLFSSL_MSG("value NULL parameter");
return NULL;
}
if (conf != NULL || ctx != NULL) {
WOLFSSL_MSG("wolfSSL_X509V3_EXT_nconf_nid does not handle either "
"conf or ctx parameters");
}
return createExtFromStr(nid, value);
}
/**
* Create a WOLFSSL_X509_EXTENSION from the input arguments.
* @param conf Not used
* @param ctx Not used
* @param sName The textual representation of the NID that the value parameter
* should be interpreted as.
* @param value A NULL terminated string that is taken as the value of the
* newly created extension object.
* @return WOLFSSL_X509_EXTENSION* on success or NULL on failure.
*/
WOLFSSL_X509_EXTENSION* wolfSSL_X509V3_EXT_nconf(WOLFSSL_CONF *conf,
WOLFSSL_X509V3_CTX *ctx, const char *sName, const char *value)
{
const WOLFSSL_ObjectInfo* info = wolfssl_object_info;
size_t i;
WOLFSSL_ENTER("wolfSSL_X509V3_EXT_nconf");
if (value == NULL) {
WOLFSSL_MSG("value NULL parameter");
return NULL;
}
if (conf != NULL || ctx != NULL) {
WOLFSSL_MSG("wolfSSL_X509V3_EXT_nconf does not handle either "
"conf or ctx parameters");
}
for (i = 0; i < wolfssl_object_info_sz; i++, info++) {
if (XSTRCMP(info->sName, sName) == 0)
return createExtFromStr(info->nid, value);
}
WOLFSSL_MSG("value didn't match any known NID");
return NULL;
}
static void wolfSSL_X509V3_EXT_METHOD_populate(WOLFSSL_v3_ext_method *method,
int nid)
{
if (!method)
return;
WOLFSSL_ENTER("wolfSSL_X509V3_EXT_METHOD_populate");
switch (nid) {
case NID_subject_key_identifier:
method->i2s = (X509V3_EXT_I2S)wolfSSL_i2s_ASN1_STRING;
FALL_THROUGH;
case NID_authority_key_identifier:
case NID_key_usage:
case NID_certificate_policies:
case NID_policy_mappings:
case NID_subject_alt_name:
case NID_issuer_alt_name:
case NID_basic_constraints:
case NID_name_constraints:
case NID_policy_constraints:
case NID_ext_key_usage:
case NID_crl_distribution_points:
case NID_inhibit_any_policy:
case NID_info_access:
WOLFSSL_MSG("Nothing to populate for current NID");
break;
default:
WOLFSSL_MSG("Unknown or unsupported NID");
break;
}
return;
}
/**
* @param nid One of the NID_* constants defined in asn.h
* @param crit
* @param data This data is copied to the returned extension.
* @return
*/
WOLFSSL_X509_EXTENSION *wolfSSL_X509V3_EXT_i2d(int nid, int crit,
void *data)
{
WOLFSSL_X509_EXTENSION *ext = NULL;
WOLFSSL_ASN1_STRING* asn1str = NULL;
WOLFSSL_ENTER("wolfSSL_X509V3_EXT_i2d");
if (!data) {
return NULL;
}
if (!(ext = wolfSSL_X509_EXTENSION_new())) {
return NULL;
}
wolfSSL_X509V3_EXT_METHOD_populate(&ext->ext_method, nid);
switch (nid) {
case NID_subject_key_identifier:
/* WOLFSSL_ASN1_STRING */
case NID_key_usage:
/* WOLFSSL_ASN1_STRING */
{
asn1str = (WOLFSSL_ASN1_STRING*)data;
ext->value = *asn1str;
if (asn1str->isDynamic) {
ext->value.data = (char*)XMALLOC(asn1str->length, NULL,
DYNAMIC_TYPE_OPENSSL);
if (!ext->value.data) {
WOLFSSL_MSG("malloc failed");
/* Zero so that no existing memory is freed */
XMEMSET(&ext->value, 0, sizeof(WOLFSSL_ASN1_STRING));
goto err_cleanup;
}
XMEMCPY(ext->value.data, asn1str->data, asn1str->length);
}
else {
ext->value.data = ext->value.strData;
}
if (!(ext->obj = wolfSSL_OBJ_nid2obj(nid))) {
WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new failed");
goto err_cleanup;
}
break;
}
case NID_subject_alt_name:
/* typedef STACK_OF(GENERAL_NAME) GENERAL_NAMES */
case NID_issuer_alt_name:
/* typedef STACK_OF(GENERAL_NAME) GENERAL_NAMES */
case NID_ext_key_usage:
/* typedef STACK_OF(ASN1_OBJECT) EXTENDED_KEY_USAGE */
case NID_info_access:
/* typedef STACK_OF(ACCESS_DESCRIPTION) AUTHORITY_INFO_ACCESS */
{
WOLFSSL_STACK* sk = (WOLFSSL_STACK*)data;
if (ext->ext_sk) {
wolfSSL_sk_pop_free(ext->ext_sk, NULL);
}
if (!(ext->ext_sk = wolfSSL_sk_dup(sk))) {
WOLFSSL_MSG("wolfSSL_sk_dup failed");
goto err_cleanup;
}
if (!(ext->obj = wolfSSL_OBJ_nid2obj(nid))) {
WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new failed");
goto err_cleanup;
}
break;
}
case NID_basic_constraints:
{
/* WOLFSSL_BASIC_CONSTRAINTS */
WOLFSSL_BASIC_CONSTRAINTS* bc = (WOLFSSL_BASIC_CONSTRAINTS*)data;
if (!(ext->obj = wolfSSL_ASN1_OBJECT_new())) {
WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new failed");
goto err_cleanup;
}
ext->obj->ca = bc->ca;
if (bc->pathlen) {
ext->obj->pathlen = wolfSSL_ASN1_INTEGER_dup(bc->pathlen);
if (!ext->obj->pathlen) {
WOLFSSL_MSG("wolfSSL_ASN1_INTEGER_dup failed");
goto err_cleanup;
}
}
break;
}
case NID_authority_key_identifier:
{
/* AUTHORITY_KEYID */
WOLFSSL_AUTHORITY_KEYID* akey = (WOLFSSL_AUTHORITY_KEYID*)data;
if (akey->keyid) {
if (wolfSSL_ASN1_STRING_set(&ext->value, akey->keyid->data,
akey->keyid->length) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_set failed");
goto err_cleanup;
}
ext->value.type = akey->keyid->type;
if (!(ext->obj = wolfSSL_OBJ_nid2obj(nid))) {
WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new failed");
goto err_cleanup;
}
}
else if (akey->issuer) {
ext->obj = wolfSSL_ASN1_OBJECT_dup(akey->issuer);
if (!ext->obj) {
WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_dup failed");
goto err_cleanup;
}
}
else {
WOLFSSL_MSG("NID_authority_key_identifier empty data");
goto err_cleanup;
}
break;
}
case NID_inhibit_any_policy:
/* ASN1_INTEGER */
case NID_certificate_policies:
/* STACK_OF(POLICYINFO) */
case NID_policy_mappings:
/* STACK_OF(POLICY_MAPPING) */
case NID_name_constraints:
/* NAME_CONSTRAINTS */
case NID_policy_constraints:
/* POLICY_CONSTRAINTS */
case NID_crl_distribution_points:
/* typedef STACK_OF(DIST_POINT) CRL_DIST_POINTS */
default:
WOLFSSL_MSG("Unknown or unsupported NID");
break;
}
ext->crit = crit;
return ext;
err_cleanup:
if (ext) {
wolfSSL_X509_EXTENSION_free(ext);
}
return NULL;
}
/* Returns pointer to ASN1_OBJECT from an X509_EXTENSION object */
WOLFSSL_ASN1_OBJECT* wolfSSL_X509_EXTENSION_get_object \
(WOLFSSL_X509_EXTENSION* ext)
{
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_get_object");
if(ext == NULL)
return NULL;
return ext->obj;
}
/**
* duplicates the 'obj' input and sets it into the 'ext' structure
* returns WOLFSSL_SUCCESS on success
*/
int wolfSSL_X509_EXTENSION_set_object(WOLFSSL_X509_EXTENSION* ext,
const WOLFSSL_ASN1_OBJECT* obj)
{
WOLFSSL_ASN1_OBJECT *current;
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_set_object");
if (ext == NULL)
return WOLFSSL_FAILURE;
current = wolfSSL_X509_EXTENSION_get_object(ext);
if (current != NULL) {
wolfSSL_ASN1_OBJECT_free(current);
}
ext->obj = wolfSSL_ASN1_OBJECT_dup((WOLFSSL_ASN1_OBJECT*)obj);
return WOLFSSL_SUCCESS;
}
#endif /* OPENSSL_ALL */
/* Returns pointer to ASN1_STRING in X509_EXTENSION object */
WOLFSSL_ASN1_STRING* wolfSSL_X509_EXTENSION_get_data(WOLFSSL_X509_EXTENSION* ext)
{
WOLFSSL_ENTER("wolfSSL_X509_EXTENSION_get_data");
if (ext == NULL)
return NULL;
return &ext->value;
}
/**
* Creates a duplicate of input 'data' and sets it into 'ext' structure
* returns WOLFSSL_SUCCESS on success
*/
int wolfSSL_X509_EXTENSION_set_data(WOLFSSL_X509_EXTENSION* ext,
WOLFSSL_ASN1_STRING* data)
{
WOLFSSL_ASN1_STRING* current;
if (ext == NULL || data == NULL)
return WOLFSSL_FAILURE;
current = wolfSSL_X509_EXTENSION_get_data(ext);
if (current->length > 0 && current->data != NULL && current->isDynamic) {
XFREE(current->data, NULL, DYNAMIC_TYPE_OPENSSL);
}
return wolfSSL_ASN1_STRING_copy(&ext->value, data);
}
#if !defined(NO_PWDBASED)
int wolfSSL_X509_digest(const WOLFSSL_X509* x509, const WOLFSSL_EVP_MD* digest,
unsigned char* buf, unsigned int* len)
{
int ret;
WOLFSSL_ENTER("wolfSSL_X509_digest");
if (x509 == NULL || digest == NULL) {
WOLFSSL_MSG("Null argument found");
return WOLFSSL_FAILURE;
}
if (x509->derCert == NULL) {
WOLFSSL_MSG("No DER certificate stored in X509");
return WOLFSSL_FAILURE;
}
ret = wolfSSL_EVP_Digest(x509->derCert->buffer, x509->derCert->length, buf,
len, digest, NULL);
WOLFSSL_LEAVE("wolfSSL_X509_digest", ret);
return ret;
}
int wolfSSL_X509_pubkey_digest(const WOLFSSL_X509 *x509,
const WOLFSSL_EVP_MD *digest, unsigned char* buf, unsigned int* len)
{
int ret;
WOLFSSL_ENTER("wolfSSL_X509_pubkey_digest");
if (x509 == NULL || digest == NULL) {
WOLFSSL_MSG("Null argument found");
return WOLFSSL_FAILURE;
}
if (x509->pubKey.buffer == NULL || x509->pubKey.length == 0) {
WOLFSSL_MSG("No DER public key stored in X509");
return WOLFSSL_FAILURE;
}
ret = wolfSSL_EVP_Digest(x509->pubKey.buffer, x509->pubKey.length, buf,
len, digest, NULL);
WOLFSSL_LEAVE("wolfSSL_X509_pubkey_digest", ret);
return ret;
}
#endif
#endif /* OPENSSL_EXTRA */
#ifdef OPENSSL_EXTRA
#ifndef NO_WOLFSSL_STUB
const char* wolfSSL_X509_get_default_cert_file_env(void)
{
WOLFSSL_STUB("X509_get_default_cert_file_env");
return NULL;
}
const char* wolfSSL_X509_get_default_cert_file(void)
{
WOLFSSL_STUB("X509_get_default_cert_file");
return NULL;
}
const char* wolfSSL_X509_get_default_cert_dir_env(void)
{
WOLFSSL_STUB("X509_get_default_cert_dir_env");
return NULL;
}
const char* wolfSSL_X509_get_default_cert_dir(void)
{
WOLFSSL_STUB("X509_get_default_cert_dir");
return NULL;
}
#endif
#endif /* OPENSSL_EXTRA */
#if defined(KEEP_PEER_CERT) || defined(SESSION_CERTS) || \
defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
/* user externally called free X509, if dynamic go ahead with free, otherwise
* don't */
static void ExternalFreeX509(WOLFSSL_X509* x509)
{
#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA)
int doFree = 0;
#endif
WOLFSSL_ENTER("ExternalFreeX509");
if (x509) {
#ifdef HAVE_EX_DATA_CLEANUP_HOOKS
wolfSSL_CRYPTO_cleanup_ex_data(&x509->ex_data);
#endif
if (x509->dynamicMemory) {
#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA)
int ret;
wolfSSL_RefDec(&x509->ref, &doFree, &ret);
if (ret != 0) {
WOLFSSL_MSG("Couldn't lock x509 mutex");
}
#endif /* OPENSSL_EXTRA_X509_SMALL || OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA)
if (doFree)
#endif /* OPENSSL_EXTRA_X509_SMALL || OPENSSL_EXTRA */
{
FreeX509(x509);
XFREE(x509, x509->heap, DYNAMIC_TYPE_X509);
}
} else {
WOLFSSL_MSG("free called on non dynamic object, not freeing");
}
}
}
/* Frees an external WOLFSSL_X509 structure */
WOLFSSL_ABI
void wolfSSL_X509_free(WOLFSSL_X509* x509)
{
WOLFSSL_ENTER("wolfSSL_FreeX509");
ExternalFreeX509(x509);
}
/* copy name into in buffer, at most sz bytes, if buffer is null will
malloc buffer, call responsible for freeing */
WOLFSSL_ABI
char* wolfSSL_X509_NAME_oneline(WOLFSSL_X509_NAME* name, char* in, int sz)
{
int copySz;
if (name == NULL) {
WOLFSSL_MSG("WOLFSSL_X509_NAME pointer was NULL");
return NULL;
}
copySz = min(sz, name->sz);
WOLFSSL_ENTER("wolfSSL_X509_NAME_oneline");
if (!name->sz) return in;
if (!in) {
#ifdef WOLFSSL_STATIC_MEMORY
WOLFSSL_MSG("Using static memory -- please pass in a buffer");
return NULL;
#else
in = (char*)XMALLOC(name->sz, NULL, DYNAMIC_TYPE_OPENSSL);
if (!in ) return in;
copySz = name->sz;
#endif
}
if (copySz <= 0)
return in;
XMEMCPY(in, name->name, copySz - 1);
in[copySz - 1] = 0;
return in;
}
#ifdef OPENSSL_EXTRA
/* Given an X509_NAME, convert it to canonical form and then hash
* with the provided hash type. Returns the first 4 bytes of the hash
* as unsigned long on success, and 0 otherwise. */
static unsigned long X509NameHash(WOLFSSL_X509_NAME* name,
enum wc_HashType hashType)
{
unsigned long hash = 0;
unsigned char* canonName = NULL;
byte digest[WC_MAX_DIGEST_SIZE];
int size = 0;
int rc;
WOLFSSL_ENTER("X509NameHash");
if (name == NULL) {
WOLFSSL_ERROR_MSG("WOLFSSL_X509_NAME pointer was NULL");
return 0;
}
if (name->sz == 0) {
WOLFSSL_ERROR_MSG("Nothing to hash in WOLFSSL_X509_NAME");
return 0;
}
size = wolfSSL_i2d_X509_NAME_canon(name, &canonName);
if (size <= 0 || canonName == NULL) {
WOLFSSL_ERROR_MSG("wolfSSL_i2d_X509_NAME_canon error");
return 0;
}
rc = wc_Hash(hashType, (const byte*)canonName,(word32)size, digest,
sizeof(digest));
if (rc == 0) {
hash = (((unsigned long)digest[3] << 24) |
((unsigned long)digest[2] << 16) |
((unsigned long)digest[1] << 8) |
((unsigned long)digest[0]));
}
else if (rc == HASH_TYPE_E) {
WOLFSSL_ERROR_MSG("Hash function not compiled in");
}
else {
WOLFSSL_ERROR_MSG("Error hashing name");
}
XFREE(canonName, NULL, DYNAMIC_TYPE_OPENSSL);
return hash;
}
unsigned long wolfSSL_X509_NAME_hash(WOLFSSL_X509_NAME* name)
{
return X509NameHash(name, WC_HASH_TYPE_SHA);
}
/******************************************************************************
* wolfSSL_X509_subject_name_hash
* wolfSSL_X509_issuer_name_hash
* Compute the hash digest of the subject / issuer name.
* These functions prefer SHA-1 (if available) for compatibility. Otherwise
* they use SHA-256.
*
* RETURNS:
* The first 4 bytes of SHA-1 (or SHA-256) hash in little endian order as
* unsigned long.
* Otherwise, returns zero.
*
* Note:
* Returns the same hash value as OpenSSL's X509_X_name_hash() API
* if SHA-1 support is compiled in. SHA-256 will be used if SHA-1 is
* not available.
*/
unsigned long wolfSSL_X509_subject_name_hash(const WOLFSSL_X509* x509)
{
if (x509 == NULL) {
WOLFSSL_ERROR_MSG("WOLFSSL_X509 pointer was NULL");
return 0;
}
#ifndef NO_SHA
return X509NameHash((WOLFSSL_X509_NAME*) &x509->subject, WC_HASH_TYPE_SHA);
#elif !defined(NO_SHA256)
return X509NameHash((WOLFSSL_X509_NAME*) &x509->subject,
WC_HASH_TYPE_SHA256);
#else
WOLFSSL_ERROR_MSG("Hash function not compiled in");
return 0;
#endif
}
unsigned long wolfSSL_X509_issuer_name_hash(const WOLFSSL_X509* x509)
{
if (x509 == NULL) {
WOLFSSL_ERROR_MSG("WOLFSSL_X509 pointer was NULL");
return 0;
}
#ifndef NO_SHA
return X509NameHash((WOLFSSL_X509_NAME*) &x509->issuer, WC_HASH_TYPE_SHA);
#elif !defined(NO_SHA256)
return X509NameHash((WOLFSSL_X509_NAME*) &x509->issuer,
WC_HASH_TYPE_SHA256);
#else
WOLFSSL_ERROR_MSG("Hash function not compiled in");
return 0;
#endif
}
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) && defined(XSNPRINTF)
/* Copies X509 subject name into a buffer, with comma-separated name entries
* (matching OpenSSL v1.0.0 format)
* Example Output for Issuer:
*
* C=US, ST=Montana, L=Bozeman, O=Sawtooth, OU=Consulting,
* CN=www.wolfssl.com, emailAddress=info@wolfssl.com
*/
char* wolfSSL_X509_get_name_oneline(WOLFSSL_X509_NAME* name, char* in, int sz)
{
int count, i;
int totalLen = 0;
char tmpBuf[256];
WOLFSSL_ENTER("wolfSSL_X509_get_name_oneline");
if (name == NULL) {
WOLFSSL_MSG("wolfSSL_X509_get_name_oneline failed");
return NULL;
}
#ifdef WOLFSSL_STATIC_MEMORY
if (!in) {
WOLFSSL_MSG("Using static memory -- please pass in a buffer");
return NULL;
}
#endif
/* Loop through X509 name entries and copy new format to buffer */
count = wolfSSL_X509_NAME_entry_count(name);
for (i = 0; i < count; i++) {
WOLFSSL_X509_NAME_ENTRY* entry;
int nameSz;
int strSz;
int strLen;
char *str;
const int tmpBufSz = sizeof(tmpBuf);
char buf[80];
const char* sn;
/* Get name entry and size */
entry = wolfSSL_X509_NAME_get_entry(name, i);
if (entry == NULL) {
WOLFSSL_MSG("wolfSSL_X509_NAME_get_entry failed");
return NULL;
}
nameSz = wolfSSL_X509_NAME_get_text_by_NID(name, entry->nid, buf,
sizeof(buf));
if (nameSz < 0) {
WOLFSSL_MSG("wolfSSL_X509_NAME_get_text_by_NID failed");
return NULL;
}
/* Get short name */
sn = wolfSSL_OBJ_nid2sn(entry->nid);
if (sn == NULL) {
WOLFSSL_MSG("OBJ_nid2sn failed");
return NULL;
}
/* Copy sn and name text to buffer
* Add extra strSz for '=', ',', ' ' and '\0' characters in XSNPRINTF.
*/
if (i != count - 1) {
strSz = (int)XSTRLEN(sn) + nameSz + 4;
str = (char*)XMALLOC(strSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (str == NULL) {
WOLFSSL_MSG("Memory error");
return NULL;
}
if ((strLen = XSNPRINTF(str, strSz, "%s=%s, ", sn, buf))
>= strSz)
{
WOLFSSL_MSG("buffer overrun");
XFREE(str, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return NULL;
}
}
else {
/* Copy last name entry
* Add extra strSz for '=' and '\0' characters in XSNPRINTF.
*/
strSz = (int)XSTRLEN(sn) + nameSz + 2;
str = (char*)XMALLOC(strSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (str == NULL) {
WOLFSSL_MSG("Memory error");
return NULL;
}
if ((strLen = XSNPRINTF(str, strSz, "%s=%s", sn, buf)) >= strSz) {
WOLFSSL_MSG("buffer overrun");
XFREE(str, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return NULL;
}
}
/* Copy string to tmpBuf */
if (totalLen + strLen > tmpBufSz) {
WOLFSSL_MSG("buffer overrun");
XFREE(str, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return NULL;
}
XMEMCPY(tmpBuf + totalLen, str, strLen);
totalLen += strLen;
XFREE(str, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
/* Allocate space based on total string size if no buffer was provided */
if (!in) {
in = (char*)XMALLOC(totalLen+1, NULL, DYNAMIC_TYPE_OPENSSL);
if (in == NULL) {
WOLFSSL_MSG("Memory error");
return in;
}
}
else {
if (totalLen + 1 > sz) {
WOLFSSL_MSG("buffer overrun");
return NULL;
}
}
XMEMCPY(in, tmpBuf, totalLen);
in[totalLen] = '\0';
return in;
}
#endif
/* Wraps wolfSSL_X509_d2i
*
* returns a WOLFSSL_X509 structure pointer on success and NULL on fail
*/
WOLFSSL_X509* wolfSSL_d2i_X509(WOLFSSL_X509** x509, const unsigned char** in,
int len)
{
WOLFSSL_X509* newX509 = NULL;
WOLFSSL_ENTER("wolfSSL_d2i_X509");
if (in == NULL) {
WOLFSSL_MSG("NULL input for wolfSSL_d2i_X509");
return NULL;
}
newX509 = wolfSSL_X509_d2i(x509, *in, len);
if (newX509 != NULL) {
*in += newX509->derCert->length;
}
return newX509;
}
static WOLFSSL_X509* d2i_X509orX509REQ(WOLFSSL_X509** x509,
const byte* in, int len, int req)
{
WOLFSSL_X509 *newX509 = NULL;
int type = req ? CERTREQ_TYPE : CERT_TYPE;
WOLFSSL_ENTER("wolfSSL_X509_d2i");
if (in != NULL && len != 0
#ifndef WOLFSSL_CERT_REQ
&& req == 0
#else
&& (req == 0 || req == 1)
#endif
) {
#ifdef WOLFSSL_SMALL_STACK
DecodedCert* cert;
#else
DecodedCert cert[1];
#endif
#ifdef WOLFSSL_SMALL_STACK
cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL,
DYNAMIC_TYPE_DCERT);
if (cert == NULL)
return NULL;
#endif
InitDecodedCert(cert, (byte*)in, len, NULL);
#ifdef WOLFSSL_CERT_REQ
cert->isCSR = (byte)req;
#endif
if (ParseCertRelative(cert, type, 0, NULL) == 0) {
newX509 = wolfSSL_X509_new();
if (newX509 != NULL) {
if (CopyDecodedToX509(newX509, cert) != 0) {
wolfSSL_X509_free(newX509);
newX509 = NULL;
}
}
}
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
}
if (x509 != NULL)
*x509 = newX509;
return newX509;
}
int wolfSSL_X509_get_isCA(WOLFSSL_X509* x509)
{
int isCA = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_isCA");
if (x509 != NULL)
isCA = x509->isCa;
WOLFSSL_LEAVE("wolfSSL_X509_get_isCA", isCA);
return isCA;
}
WOLFSSL_X509* wolfSSL_X509_d2i(WOLFSSL_X509** x509, const byte* in, int len)
{
return d2i_X509orX509REQ(x509, in, len, 0);
}
#ifdef WOLFSSL_CERT_REQ
WOLFSSL_X509* wolfSSL_X509_REQ_d2i(WOLFSSL_X509** x509,
const unsigned char* in, int len)
{
return d2i_X509orX509REQ(x509, in, len, 1);
}
#endif
#endif /* KEEP_PEER_CERT || SESSION_CERTS || OPENSSL_EXTRA ||
OPENSSL_EXTRA_X509_SMALL */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
/* returns the number of entries in the WOLFSSL_X509_NAME */
int wolfSSL_X509_NAME_entry_count(WOLFSSL_X509_NAME* name)
{
int count = 0;
WOLFSSL_ENTER("wolfSSL_X509_NAME_entry_count");
if (name != NULL)
count = name->entrySz;
WOLFSSL_LEAVE("wolfSSL_X509_NAME_entry_count", count);
return count;
}
#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
#if defined(OPENSSL_EXTRA) || \
defined(KEEP_OUR_CERT) || defined(KEEP_PEER_CERT) || defined(SESSION_CERTS)
/* return the next, if any, altname from the peer cert */
WOLFSSL_ABI
char* wolfSSL_X509_get_next_altname(WOLFSSL_X509* cert)
{
char* ret = NULL;
WOLFSSL_ENTER("wolfSSL_X509_get_next_altname");
/* don't have any to work with */
if (cert == NULL || cert->altNames == NULL)
return NULL;
/* already went through them */
if (cert->altNamesNext == NULL) {
#ifdef WOLFSSL_MULTICIRCULATE_ALTNAMELIST
/* Reset altNames List to head
* so that caller can circulate the list again
*/
cert->altNamesNext = cert->altNames;
#endif
return NULL;
}
ret = cert->altNamesNext->name;
#if defined(OPENSSL_ALL) || defined(WOLFSSL_IP_ALT_NAME)
/* return the IP address as a string */
if (cert->altNamesNext->type == ASN_IP_TYPE) {
ret = cert->altNamesNext->ipString;
}
#endif
cert->altNamesNext = cert->altNamesNext->next;
return ret;
}
int wolfSSL_X509_get_signature(WOLFSSL_X509* x509,
unsigned char* buf, int* bufSz)
{
WOLFSSL_ENTER("wolfSSL_X509_get_signature");
if (x509 == NULL || bufSz == NULL || (*bufSz < (int)x509->sig.length &&
buf != NULL))
return WOLFSSL_FATAL_ERROR;
if (buf != NULL)
XMEMCPY(buf, x509->sig.buffer, x509->sig.length);
*bufSz = x509->sig.length;
return WOLFSSL_SUCCESS;
}
/* Getter function that copies over the DER public key buffer to "buf" and
* sets the size in bufSz. If "buf" is NULL then just bufSz is set to needed
* buffer size. "bufSz" passed in should initially be set by the user to be
* the size of "buf". This gets checked to make sure the buffer is large
* enough to hold the public key.
*
* Note: this is the X.509 form of key with "header" info.
* return WOLFSSL_SUCCESS on success
*/
int wolfSSL_X509_get_pubkey_buffer(WOLFSSL_X509* x509,
unsigned char* buf, int* bufSz)
{
#ifdef WOLFSSL_SMALL_STACK
DecodedCert* cert;
#else
DecodedCert cert[1];
#endif
const byte* der;
int length = 0;
int ret = 0, derSz = 0;
int badDate = 0;
const byte* pubKeyX509 = NULL;
int pubKeyX509Sz = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_pubkey_buffer");
if (x509 == NULL || bufSz == NULL) {
WOLFSSL_LEAVE("wolfSSL_X509_get_pubkey_buffer", BAD_FUNC_ARG);
return WOLFSSL_FATAL_ERROR;
}
#ifdef WOLFSSL_SMALL_STACK
cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert),
x509->heap, DYNAMIC_TYPE_TMP_BUFFER);
if (cert == NULL) {
WOLFSSL_LEAVE("wolfSSL_X509_get_pubkey_buffer", MEMORY_E);
return WOLFSSL_FATAL_ERROR;
}
#endif
der = wolfSSL_X509_get_der(x509, &derSz);
if (der != NULL) {
InitDecodedCert(cert, der, derSz, NULL);
ret = wc_GetPubX509(cert, 0, &badDate);
if (ret >= 0) {
word32 idx = cert->srcIdx;
pubKeyX509 = cert->source + cert->srcIdx;
ret = GetSequence(cert->source, &cert->srcIdx, &length,
cert->maxIdx);
pubKeyX509Sz = length + (cert->srcIdx - idx);
}
FreeDecodedCert(cert);
}
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, x509->heap, DYNAMIC_TYPE_TMP_BUFFER);
#endif
if (ret < 0) {
WOLFSSL_LEAVE("wolfSSL_X509_get_pubkey_buffer", ret);
return WOLFSSL_FATAL_ERROR;
}
if (buf != NULL && pubKeyX509 != NULL) {
if (pubKeyX509Sz > *bufSz) {
WOLFSSL_LEAVE("wolfSSL_X509_get_pubkey_buffer", BUFFER_E);
return WOLFSSL_FATAL_ERROR;
}
XMEMCPY(buf, pubKeyX509, pubKeyX509Sz);
}
*bufSz = pubKeyX509Sz;
return WOLFSSL_SUCCESS;
}
/* Getter function for the public key OID value
* return public key OID stored in WOLFSSL_X509 structure */
int wolfSSL_X509_get_pubkey_type(WOLFSSL_X509* x509)
{
if (x509 == NULL)
return WOLFSSL_FAILURE;
return x509->pubKeyOID;
}
#endif /* OPENSSL_EXTRA || KEEP_OUR_CERT || KEEP_PEER_CERT || SESSION_CERTS */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \
defined(KEEP_OUR_CERT) || defined(KEEP_PEER_CERT) || defined(SESSION_CERTS)
/* write X509 serial number in unsigned binary to buffer
buffer needs to be at least EXTERNAL_SERIAL_SIZE (32) for all cases
return WOLFSSL_SUCCESS on success */
int wolfSSL_X509_get_serial_number(WOLFSSL_X509* x509,
byte* in, int* inOutSz)
{
WOLFSSL_ENTER("wolfSSL_X509_get_serial_number");
if (x509 == NULL || inOutSz == NULL) {
WOLFSSL_MSG("Null argument passed in");
return BAD_FUNC_ARG;
}
if (in != NULL) {
if (*inOutSz < x509->serialSz) {
WOLFSSL_MSG("Serial buffer too small");
return BUFFER_E;
}
XMEMCPY(in, x509->serial, x509->serialSz);
}
*inOutSz = x509->serialSz;
return WOLFSSL_SUCCESS;
}
/* not an openssl compatibility function - getting for derCert */
const byte* wolfSSL_X509_get_der(WOLFSSL_X509* x509, int* outSz)
{
WOLFSSL_ENTER("wolfSSL_X509_get_der");
if (x509 == NULL || x509->derCert == NULL || outSz == NULL)
return NULL;
*outSz = (int)x509->derCert->length;
return x509->derCert->buffer;
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL || KEEP_OUR_CERT || KEEP_PEER_CERT || SESSION_CERTS */
#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA) || \
defined(OPENSSL_ALL) || defined(KEEP_OUR_CERT) || \
defined(KEEP_PEER_CERT) || defined(SESSION_CERTS)
/* used by JSSE (not a standard compatibility function) */
WOLFSSL_ABI
const byte* wolfSSL_X509_notBefore(WOLFSSL_X509* x509)
{
WOLFSSL_ENTER("wolfSSL_X509_notBefore");
if (x509 == NULL)
return NULL;
XMEMSET(x509->notBeforeData, 0, sizeof(x509->notBeforeData));
x509->notBeforeData[0] = (byte)x509->notBefore.type;
x509->notBeforeData[1] = (byte)x509->notBefore.length;
XMEMCPY(&x509->notBeforeData[2], x509->notBefore.data, x509->notBefore.length);
return x509->notBeforeData;
}
/* used by JSSE (not a standard compatibility function) */
WOLFSSL_ABI
const byte* wolfSSL_X509_notAfter(WOLFSSL_X509* x509)
{
WOLFSSL_ENTER("wolfSSL_X509_notAfter");
if (x509 == NULL)
return NULL;
XMEMSET(x509->notAfterData, 0, sizeof(x509->notAfterData));
x509->notAfterData[0] = (byte)x509->notAfter.type;
x509->notAfterData[1] = (byte)x509->notAfter.length;
XMEMCPY(&x509->notAfterData[2], x509->notAfter.data, x509->notAfter.length);
return x509->notAfterData;
}
int wolfSSL_X509_version(WOLFSSL_X509* x509)
{
WOLFSSL_ENTER("wolfSSL_X509_version");
if (x509 == NULL)
return 0;
return x509->version;
}
#endif
#ifdef OPENSSL_EXTRA
/* get the buffer to be signed (tbs) from the WOLFSSL_X509 certificate
*
* outSz : gets set to the size of the buffer
* returns a pointer to the internal buffer at the location of TBS on
* on success and NULL on failure.
*/
const unsigned char* wolfSSL_X509_get_tbs(WOLFSSL_X509* x509, int* outSz)
{
int sz = 0, len;
unsigned int idx = 0, tmpIdx;
const unsigned char* der = NULL;
const unsigned char* tbs = NULL;
if (x509 == NULL || outSz == NULL) {
return NULL;
}
der = wolfSSL_X509_get_der(x509, &sz);
if (der == NULL) {
return NULL;
}
if (GetSequence(der, &idx, &len, sz) < 0) {
return NULL;
}
tbs = der + idx;
tmpIdx = idx;
if (GetSequence(der, &idx, &len, sz) < 0) {
return NULL;
}
*outSz = len + (idx - tmpIdx);
return tbs;
}
#ifdef WOLFSSL_SEP
/* copy oid into in buffer, at most *inOutSz bytes, if buffer is null will
malloc buffer, call responsible for freeing. Actual size returned in
*inOutSz. Requires inOutSz be non-null */
byte* wolfSSL_X509_get_device_type(WOLFSSL_X509* x509, byte* in, int *inOutSz)
{
int copySz;
WOLFSSL_ENTER("wolfSSL_X509_get_dev_type");
if (inOutSz == NULL) return NULL;
if (!x509->deviceTypeSz) return in;
copySz = min(*inOutSz, x509->deviceTypeSz);
if (!in) {
#ifdef WOLFSSL_STATIC_MEMORY
WOLFSSL_MSG("Using static memory -- please pass in a buffer");
return NULL;
#else
in = (byte*)XMALLOC(x509->deviceTypeSz, 0, DYNAMIC_TYPE_OPENSSL);
if (!in) return in;
copySz = x509->deviceTypeSz;
#endif
}
XMEMCPY(in, x509->deviceType, copySz);
*inOutSz = copySz;
return in;
}
byte* wolfSSL_X509_get_hw_type(WOLFSSL_X509* x509, byte* in, int* inOutSz)
{
int copySz;
WOLFSSL_ENTER("wolfSSL_X509_get_hw_type");
if (inOutSz == NULL) return NULL;
if (!x509->hwTypeSz) return in;
copySz = min(*inOutSz, x509->hwTypeSz);
if (!in) {
#ifdef WOLFSSL_STATIC_MEMORY
WOLFSSL_MSG("Using static memory -- please pass in a buffer");
return NULL;
#else
in = (byte*)XMALLOC(x509->hwTypeSz, 0, DYNAMIC_TYPE_OPENSSL);
if (!in) return in;
copySz = x509->hwTypeSz;
#endif
}
XMEMCPY(in, x509->hwType, copySz);
*inOutSz = copySz;
return in;
}
byte* wolfSSL_X509_get_hw_serial_number(WOLFSSL_X509* x509,byte* in,
int* inOutSz)
{
int copySz;
WOLFSSL_ENTER("wolfSSL_X509_get_hw_serial_number");
if (inOutSz == NULL) return NULL;
if (!x509->hwTypeSz) return in;
copySz = min(*inOutSz, x509->hwSerialNumSz);
if (!in) {
#ifdef WOLFSSL_STATIC_MEMORY
WOLFSSL_MSG("Using static memory -- please pass in a buffer");
return NULL;
#else
in = (byte*)XMALLOC(x509->hwSerialNumSz, 0, DYNAMIC_TYPE_OPENSSL);
if (!in) return in;
copySz = x509->hwSerialNumSz;
#endif
}
XMEMCPY(in, x509->hwSerialNum, copySz);
*inOutSz = copySz;
return in;
}
#endif /* WOLFSSL_SEP */
#endif /* OPENSSL_EXTRA */
/* require OPENSSL_EXTRA since wolfSSL_X509_free is wrapped by OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA)
WOLFSSL_ASN1_TIME* wolfSSL_X509_get_notBefore(const WOLFSSL_X509* x509)
{
WOLFSSL_ENTER("wolfSSL_X509_get_notBefore");
if (x509 == NULL)
return NULL;
return (WOLFSSL_ASN1_TIME*)&x509->notBefore;
}
WOLFSSL_ASN1_TIME* wolfSSL_X509_get_notAfter(const WOLFSSL_X509* x509)
{
WOLFSSL_ENTER("wolfSSL_X509_get_notAfter");
if (x509 == NULL)
return NULL;
return (WOLFSSL_ASN1_TIME*)&x509->notAfter;
}
/* return 1 on success 0 on fail */
int wolfSSL_sk_X509_push(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk, WOLFSSL_X509* x509)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_push");
if (sk == NULL || x509 == NULL) {
return WOLFSSL_FAILURE;
}
return wolfSSL_sk_push(sk, x509);
}
/* Return and remove the last x509 pushed on stack */
WOLFSSL_X509* wolfSSL_sk_X509_pop(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk)
{
WOLFSSL_STACK* node;
WOLFSSL_X509* x509;
if (sk == NULL) {
return NULL;
}
node = sk->next;
x509 = sk->data.x509;
if (node != NULL) { /* update sk and remove node from stack */
sk->data.x509 = node->data.x509;
sk->next = node->next;
XFREE(node, NULL, DYNAMIC_TYPE_X509);
}
else { /* last x509 in stack */
sk->data.x509 = NULL;
}
if (sk->num > 0) {
sk->num -= 1;
}
return x509;
}
/* Getter function for WOLFSSL_X509 pointer
*
* sk is the stack to retrieve pointer from
* i is the index value in stack
*
* returns a pointer to a WOLFSSL_X509 structure on success and NULL on
* fail
*/
WOLFSSL_X509* wolfSSL_sk_X509_value(STACK_OF(WOLFSSL_X509)* sk, int i)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_value");
for (; sk != NULL && i > 0; i--)
sk = sk->next;
if (i != 0 || sk == NULL)
return NULL;
return sk->data.x509;
}
/* Return and remove the first x509 pushed on stack */
WOLFSSL_X509* wolfSSL_sk_X509_shift(WOLF_STACK_OF(WOLFSSL_X509)* sk)
{
WOLFSSL_STACK* node;
WOLFSSL_X509* x509;
if (sk == NULL) {
return NULL;
}
node = sk->next;
x509 = sk->data.x509;
if (node != NULL) {
/* walk to end of stack to first node pushed, and remove it */
WOLFSSL_STACK* prevNode = sk;
while (node->next != NULL) {
prevNode = node;
node = node->next;
}
x509 = node->data.x509;
prevNode->next = NULL;
XFREE(node, NULL, DYNAMIC_TYPE_X509);
}
else { /* only one x509 in stack */
sk->data.x509 = NULL;
}
if (sk->num > 0) {
sk->num -= 1;
}
return x509;
}
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
/* Free's all nodes in X509 stack. This is different then wolfSSL_sk_X509_free
* in that it free's the underlying objects pushed to the stack.
*
* sk stack to free nodes in
* f X509 free function
*/
void wolfSSL_sk_X509_pop_free(STACK_OF(WOLFSSL_X509)* sk,
void (*f) (WOLFSSL_X509*))
{
WOLFSSL_ENTER("wolfSSL_sk_X509_pop_free");
wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f);
}
/* free just the stack structure */
void wolfSSL_sk_X509_free(WOLF_STACK_OF(WOLFSSL_X509)* sk)
{
wolfSSL_sk_free(sk);
}
#ifdef HAVE_CRL
WOLFSSL_STACK* wolfSSL_sk_X509_CRL_new(void)
{
WOLFSSL_STACK* s = wolfSSL_sk_new_node(NULL);
if (s != NULL)
s->type = STACK_TYPE_X509_CRL;
return s;
}
void wolfSSL_sk_X509_CRL_pop_free(WOLF_STACK_OF(WOLFSSL_X509_CRL)* sk,
void (*f) (WOLFSSL_X509_CRL*))
{
WOLFSSL_ENTER("wolfSSL_sk_X509_CRL_pop_free");
wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f);
}
void wolfSSL_sk_X509_CRL_free(WOLF_STACK_OF(WOLFSSL_X509_CRL)* sk)
{
wolfSSL_sk_X509_CRL_pop_free(sk, NULL);
}
/* return 1 on success 0 on fail */
int wolfSSL_sk_X509_CRL_push(WOLF_STACK_OF(WOLFSSL_X509_CRL)* sk, WOLFSSL_X509_CRL* crl)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_CRL_push");
if (sk == NULL || crl == NULL) {
return WOLFSSL_FAILURE;
}
return wolfSSL_sk_push(sk, crl);
}
WOLFSSL_X509_CRL* wolfSSL_sk_X509_CRL_value(WOLF_STACK_OF(WOLFSSL_X509)* sk,
int i)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_CRL_value");
if (sk)
return (WOLFSSL_X509_CRL*)wolfSSL_sk_value(sk, i);
return NULL;
}
int wolfSSL_sk_X509_CRL_num(WOLF_STACK_OF(WOLFSSL_X509)* sk)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_CRL_num");
if (sk)
return wolfSSL_sk_num(sk);
return 0;
}
#endif /* HAVE_CRL */
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_QT)
/* return 1 on success 0 on fail */
int wolfSSL_sk_ACCESS_DESCRIPTION_push(WOLF_STACK_OF(ACCESS_DESCRIPTION)* sk,
WOLFSSL_ACCESS_DESCRIPTION* a)
{
WOLFSSL_ENTER("wolfSSL_sk_ACCESS_DESCRIPTION_push");
return wolfSSL_sk_push(sk, a);
}
/* Frees all nodes in ACCESS_DESCRIPTION stack
*
* sk stack of nodes to free
* f free function to use
*/
void wolfSSL_sk_ACCESS_DESCRIPTION_pop_free(WOLFSSL_STACK* sk,
void (*f) (WOLFSSL_ACCESS_DESCRIPTION*))
{
WOLFSSL_ENTER("wolfSSL_sk_ACCESS_DESCRIPTION_pop_free");
wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f);
}
void wolfSSL_sk_ACCESS_DESCRIPTION_free(WOLFSSL_STACK* sk)
{
wolfSSL_sk_free(sk);
}
/* AUTHORITY_INFO_ACCESS object is a stack of ACCESS_DESCRIPTION objects,
* to free the stack the WOLFSSL_ACCESS_DESCRIPTION stack free function is
* used */
void wolfSSL_AUTHORITY_INFO_ACCESS_free(
WOLF_STACK_OF(WOLFSSL_ACCESS_DESCRIPTION)* sk)
{
WOLFSSL_ENTER("wolfSSL_AUTHORITY_INFO_ACCESS_free");
wolfSSL_sk_ACCESS_DESCRIPTION_free(sk);
}
void wolfSSL_AUTHORITY_INFO_ACCESS_pop_free(
WOLF_STACK_OF(WOLFSSL_ACCESS_DESCRIPTION)* sk,
void (*f) (WOLFSSL_ACCESS_DESCRIPTION*))
{
WOLFSSL_ENTER("wolfSSL_AUTHORITY_INFO_ACCESS_free");
wolfSSL_sk_ACCESS_DESCRIPTION_pop_free(sk, f);
}
void wolfSSL_ACCESS_DESCRIPTION_free(WOLFSSL_ACCESS_DESCRIPTION* a)
{
WOLFSSL_ENTER("wolfSSL_ACCESS_DESCRIPTION_free");
if (a == NULL)
return;
if (a->method)
wolfSSL_ASN1_OBJECT_free(a->method);
if (a->location)
wolfSSL_GENERAL_NAME_free(a->location);
XFREE(a, NULL, DYNAMIC_TYPE_X509_EXT);
/* a = NULL, don't try to a or double free it */
}
#endif /* OPENSSL_EXTRA || WOLFSSL_QT */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
/* Creates and returns new GENERAL_NAME structure */
WOLFSSL_GENERAL_NAME* wolfSSL_GENERAL_NAME_new(void)
{
WOLFSSL_GENERAL_NAME* gn;
WOLFSSL_ENTER("GENERAL_NAME_new");
gn = (WOLFSSL_GENERAL_NAME*)XMALLOC(sizeof(WOLFSSL_GENERAL_NAME), NULL,
DYNAMIC_TYPE_ASN1);
if (gn == NULL) {
return NULL;
}
XMEMSET(gn, 0, sizeof(WOLFSSL_GENERAL_NAME));
gn->d.ia5 = wolfSSL_ASN1_STRING_new();
if (gn->d.ia5 == NULL) {
WOLFSSL_MSG("Issue creating ASN1_STRING struct");
wolfSSL_GENERAL_NAME_free(gn);
return NULL;
}
gn->type = GEN_IA5;
return gn;
}
WOLFSSL_GENERAL_NAME* wolfSSL_GENERAL_NAME_dup(WOLFSSL_GENERAL_NAME* gn)
{
WOLFSSL_GENERAL_NAME* dupl = NULL;
WOLFSSL_ENTER("wolfSSL_GENERAL_NAME_dup");
if (!gn) {
WOLFSSL_MSG("Bad parameter");
return NULL;
}
if (!(dupl = wolfSSL_GENERAL_NAME_new())) {
WOLFSSL_MSG("wolfSSL_GENERAL_NAME_new error");
return NULL;
}
wolfSSL_ASN1_STRING_free(dupl->d.ia5);
dupl->d.ia5 = NULL;
switch (gn->type) {
/* WOLFSSL_ASN1_STRING types */
case GEN_DNS:
if (!(dupl->d.dNSName = wolfSSL_ASN1_STRING_dup(gn->d.dNSName))) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_dup error");
goto error;
}
break;
case GEN_IPADD:
if (!(dupl->d.iPAddress = wolfSSL_ASN1_STRING_dup(gn->d.iPAddress))) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_dup error");
goto error;
}
break;
case GEN_EMAIL:
if (!(dupl->d.rfc822Name = wolfSSL_ASN1_STRING_dup(gn->d.rfc822Name))) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_dup error");
goto error;
}
break;
case GEN_URI:
if (!(dupl->d.uniformResourceIdentifier =
wolfSSL_ASN1_STRING_dup(gn->d.uniformResourceIdentifier))) {
WOLFSSL_MSG("wolfSSL_ASN1_STRING_dup error");
goto error;
}
break;
case GEN_OTHERNAME:
if (gn->d.otherName->value->type != V_ASN1_UTF8STRING) {
WOLFSSL_MSG("Unsupported othername value type");
goto error;
}
dupl->d.otherName = (WOLFSSL_ASN1_OTHERNAME*)XMALLOC(
sizeof(WOLFSSL_ASN1_OTHERNAME), NULL, DYNAMIC_TYPE_ASN1);
if (dupl->d.otherName == NULL) {
WOLFSSL_MSG("XMALLOC error");
goto error;
}
dupl->d.otherName->type_id = wolfSSL_ASN1_OBJECT_dup(
gn->d.otherName->type_id);
dupl->d.otherName->value = (WOLFSSL_ASN1_TYPE*)XMALLOC(
sizeof(WOLFSSL_ASN1_TYPE), NULL, DYNAMIC_TYPE_ASN1);
if (dupl->d.otherName->value != NULL) {
dupl->d.otherName->value->type = gn->d.otherName->value->type;
dupl->d.otherName->value->value.utf8string =
wolfSSL_ASN1_STRING_dup(
gn->d.otherName->value->value.utf8string);
}
if ((dupl->d.otherName->type_id == NULL) ||
(dupl->d.otherName->value == NULL) ||
(dupl->d.otherName->value->value.utf8string == NULL)) {
wolfSSL_ASN1_OBJECT_free(dupl->d.otherName->type_id);
wolfSSL_ASN1_TYPE_free(dupl->d.otherName->value);
XFREE(dupl->d.otherName, NULL, DYNAMIC_TYPE_ASN1);
dupl->d.otherName = NULL;
WOLFSSL_MSG("error duping othername");
goto error;
}
break;
case GEN_X400:
case GEN_DIRNAME:
case GEN_EDIPARTY:
case GEN_RID:
default:
WOLFSSL_MSG("Unrecognized or unsupported GENERAL_NAME type");
goto error;
}
dupl->type = gn->type;
return dupl;
error:
if (dupl) {
wolfSSL_GENERAL_NAME_free(dupl);
}
return NULL;
}
/* Set an Othername in a general name.
*
* @param [out] gen Pointer to the GENERAL_NAME where the othername is set.
* @param [in] oid Object ID (ie UPN).
* @param [in] name The actual name.
* @return WOLFSSL_FAILURE on invalid parameter or memory error,
* WOLFSSL_SUCCESS otherwise.
*/
int wolfSSL_GENERAL_NAME_set0_othername(WOLFSSL_GENERAL_NAME* gen,
ASN1_OBJECT* oid, ASN1_TYPE* value)
{
WOLFSSL_ASN1_OBJECT *x = NULL;
if ((gen == NULL) || (oid == NULL) || (value == NULL)) {
return WOLFSSL_FAILURE;
}
x = wolfSSL_ASN1_OBJECT_dup(oid);
if (x == NULL) {
WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_dup() failed");
return WOLFSSL_FAILURE;
}
gen->type = GEN_OTHERNAME;
gen->d.otherName->type_id = x;
gen->d.otherName->value = value;
return WOLFSSL_SUCCESS;
}
/* return 1 on success 0 on fail */
int wolfSSL_sk_GENERAL_NAME_push(WOLFSSL_GENERAL_NAMES* sk,
WOLFSSL_GENERAL_NAME* gn)
{
WOLFSSL_STACK* node;
WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_push");
if (sk == NULL || gn == NULL) {
return WOLFSSL_FAILURE;
}
/* no previous values in stack */
if (sk->data.gn == NULL) {
sk->data.gn = gn;
sk->num += 1;
return WOLFSSL_SUCCESS;
}
/* stack already has value(s) create a new node and add more */
node = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL,
DYNAMIC_TYPE_ASN1);
if (node == NULL) {
WOLFSSL_MSG("Memory error");
return WOLFSSL_FAILURE;
}
XMEMSET(node, 0, sizeof(WOLFSSL_STACK));
/* push new obj onto head of stack */
node->type = STACK_TYPE_GEN_NAME;
node->data.gn = sk->data.gn;
node->next = sk->next;
sk->next = node;
sk->data.gn = gn;
sk->num += 1;
return WOLFSSL_SUCCESS;
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#ifdef OPENSSL_EXTRA
/* Returns the general name at index i from the stack
*
* sk stack to get general name from
* idx index to get
*
* return a pointer to the internal node of the stack
*/
WOLFSSL_GENERAL_NAME* wolfSSL_sk_GENERAL_NAME_value(WOLFSSL_STACK* sk, int idx)
{
WOLFSSL_STACK* ret;
if (sk == NULL) {
return NULL;
}
ret = wolfSSL_sk_get_node(sk, idx);
if (ret != NULL) {
return ret->data.gn;
}
return NULL;
}
/* Gets the number of nodes in the stack
*
* sk stack to get the number of nodes from
*
* returns the number of nodes, -1 if no nodes
*/
int wolfSSL_sk_GENERAL_NAME_num(WOLFSSL_STACK* sk)
{
WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_num");
if (sk == NULL) {
return -1;
}
return (int)sk->num;
}
/* Allocates an empty GENERAL NAME stack */
WOLFSSL_STACK* wolfSSL_sk_GENERAL_NAME_new(void *cmpFunc) {
WOLFSSL_STACK* sk = NULL;
(void)cmpFunc;
WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_new");
sk = wolfSSL_sk_new_null();
if (sk != NULL) {
sk->type = STACK_TYPE_GEN_NAME;
}
return sk;
}
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
/* Frees all nodes in a GENERAL NAME stack
*
* sk stack of nodes to free
* f free function to use, not called with wolfSSL
*/
void wolfSSL_sk_GENERAL_NAME_pop_free(WOLFSSL_STACK* sk,
void (*f) (WOLFSSL_GENERAL_NAME*))
{
WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_pop_free");
wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f);
}
void wolfSSL_sk_GENERAL_NAME_free(WOLFSSL_STACK* sk)
{
WOLFSSL_ENTER("wolfSSL_sk_GENERAL_NAME_free");
wolfSSL_sk_X509_pop_free(sk, NULL);
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#ifdef OPENSSL_EXTRA
static void wolfSSL_DIST_POINT_NAME_free(WOLFSSL_DIST_POINT_NAME* dpn)
{
if (dpn != NULL) {
if (dpn->name.fullname != NULL) {
wolfSSL_sk_X509_pop_free(dpn->name.fullname, NULL);
}
XFREE(dpn, NULL, DYNAMIC_TYPE_OPENSSL);
}
}
/* returns new pointer on success and NULL on fail */
static WOLFSSL_DIST_POINT_NAME* wolfSSL_DIST_POINT_NAME_new(void)
{
WOLFSSL_DIST_POINT_NAME* dpn = NULL;
WOLFSSL_GENERAL_NAMES* gns = NULL;
dpn = (WOLFSSL_DIST_POINT_NAME*)XMALLOC(sizeof(WOLFSSL_DIST_POINT_NAME),
NULL, DYNAMIC_TYPE_OPENSSL);
if (dpn == NULL) {
return NULL;
}
XMEMSET(dpn, 0, sizeof(WOLFSSL_DIST_POINT_NAME));
gns = wolfSSL_sk_new_null();
if (gns == NULL) {
WOLFSSL_MSG("wolfSSL_sk_new_null error");
XFREE(dpn, NULL, DYNAMIC_TYPE_OPENSSL);
return NULL;
}
gns->type = STACK_TYPE_GEN_NAME;
/* DIST_POINT_NAME type may be 0 or 1, indicating whether fullname or
* relativename is used. See: RFC 5280 section 4.2.1.13 */
dpn->name.fullname = gns;
dpn->type = 0;
return dpn;
}
/* Creates and returns new DIST_POINT structure */
WOLFSSL_DIST_POINT* wolfSSL_DIST_POINT_new(void)
{
WOLFSSL_DIST_POINT* dp = NULL;
WOLFSSL_DIST_POINT_NAME* dpn = NULL;
WOLFSSL_ENTER("wolfSSL_DIST_POINT_new");
dp = (WOLFSSL_DIST_POINT*)XMALLOC(sizeof(WOLFSSL_DIST_POINT), NULL,
DYNAMIC_TYPE_OPENSSL);
if (dp == NULL) {
return NULL;
}
XMEMSET(dp, 0, sizeof(WOLFSSL_DIST_POINT));
dpn = wolfSSL_DIST_POINT_NAME_new();
if (dpn == NULL) {
XFREE(dp, NULL, DYNAMIC_TYPE_OPENSSL);
return NULL;
}
dp->distpoint = dpn;
return dp;
}
/* Frees DIST_POINT objects.
*/
void wolfSSL_DIST_POINT_free(WOLFSSL_DIST_POINT* dp)
{
WOLFSSL_ENTER("wolfSSL_DIST_POINT_free");
if (dp != NULL) {
wolfSSL_DIST_POINT_NAME_free(dp->distpoint);
XFREE(dp, NULL, DYNAMIC_TYPE_OPENSSL);
}
}
void wolfSSL_DIST_POINTS_free(WOLFSSL_DIST_POINTS *dps)
{
WOLFSSL_ENTER("wolfSSL_DIST_POINTS_free");
if (dps == NULL) {
return;
}
wolfSSL_sk_free(dps);
}
/* return 1 on success 0 on fail */
int wolfSSL_sk_DIST_POINT_push(WOLFSSL_DIST_POINTS* sk, WOLFSSL_DIST_POINT* dp)
{
WOLFSSL_ENTER("wolfSSL_sk_DIST_POINT_push");
if (sk == NULL || dp == NULL) {
return WOLFSSL_FAILURE;
}
return wolfSSL_sk_push(sk, dp);
}
/* Returns the CRL dist point at index i from the stack
*
* sk stack to get general name from
* idx index to get
*
* return a pointer to the internal node of the stack
*/
WOLFSSL_DIST_POINT* wolfSSL_sk_DIST_POINT_value(WOLFSSL_STACK* sk, int idx)
{
if (sk == NULL) {
return NULL;
}
return (WOLFSSL_DIST_POINT*)wolfSSL_sk_value(sk, idx);
}
/* Gets the number of nodes in the stack
*
* sk stack to get the number of nodes from
*
* returns the number of nodes, -1 if no nodes
*/
int wolfSSL_sk_DIST_POINT_num(WOLFSSL_STACK* sk)
{
WOLFSSL_ENTER("wolfSSL_sk_DIST_POINT_num");
if (sk == NULL) {
return -1;
}
return wolfSSL_sk_num(sk);
}
/* Frees all nodes in a DIST_POINT stack
*
* sk stack of nodes to free
* f free function to use
*/
void wolfSSL_sk_DIST_POINT_pop_free(WOLFSSL_STACK* sk,
void (*f) (WOLFSSL_DIST_POINT*))
{
WOLFSSL_ENTER("wolfSSL_sk_DIST_POINT_pop_free");
wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f);
}
void wolfSSL_sk_DIST_POINT_free(WOLFSSL_STACK* sk)
{
WOLFSSL_ENTER("wolfSSL_sk_DIST_POINT_free");
wolfSSL_sk_free(sk);
}
/* returns the number of nodes in stack on success and WOLFSSL_FATAL_ERROR
* on fail */
int wolfSSL_sk_ACCESS_DESCRIPTION_num(WOLFSSL_STACK* sk)
{
if (sk == NULL) {
return WOLFSSL_FATAL_ERROR;
}
return (int)sk->num;
}
/* returns NULL on fail and pointer to internal data on success */
WOLFSSL_ACCESS_DESCRIPTION* wolfSSL_sk_ACCESS_DESCRIPTION_value(
WOLFSSL_STACK* sk, int idx)
{
WOLFSSL_STACK* ret;
if (sk == NULL) {
return NULL;
}
ret = wolfSSL_sk_get_node(sk, idx);
if (ret != NULL) {
return ret->data.access;
}
return NULL;
}
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
/* free's the internal type for the general name */
static void wolfSSL_GENERAL_NAME_type_free(WOLFSSL_GENERAL_NAME* name)
{
if (name != NULL) {
switch (name->type) {
case GEN_IA5:
wolfSSL_ASN1_STRING_free(name->d.ia5);
name->d.ia5 = NULL;
break;
case GEN_EMAIL:
wolfSSL_ASN1_STRING_free(name->d.rfc822Name);
name->d.rfc822Name = NULL;
break;
case GEN_DNS:
wolfSSL_ASN1_STRING_free(name->d.dNSName);
name->d.dNSName = NULL;
break;
case GEN_DIRNAME:
wolfSSL_X509_NAME_free(name->d.dirn);
name->d.dirn = NULL;
break;
case GEN_URI:
wolfSSL_ASN1_STRING_free(name->d.uniformResourceIdentifier);
name->d.uniformResourceIdentifier = NULL;
break;
case GEN_IPADD:
wolfSSL_ASN1_STRING_free(name->d.iPAddress);
name->d.iPAddress = NULL;
break;
case GEN_RID:
wolfSSL_ASN1_OBJECT_free(name->d.registeredID);
name->d.registeredID = NULL;
break;
case GEN_OTHERNAME:
if (name->d.otherName != NULL) {
wolfSSL_ASN1_OBJECT_free(name->d.otherName->type_id);
wolfSSL_ASN1_TYPE_free(name->d.otherName->value);
XFREE(name->d.otherName, NULL, DYNAMIC_TYPE_ASN1);
name->d.otherName = NULL;
}
break;
case GEN_X400:
/* Unsupported: fall through */
case GEN_EDIPARTY:
/* Unsupported: fall through */
default:
WOLFSSL_MSG("wolfSSL_GENERAL_NAME_type_free: possible leak");
break;
}
}
}
/* sets the general name type and free's the existing one
* can fail with a memory error if malloc fails or bad arg error
* otherwise return WOLFSSL_SUCCESS */
int wolfSSL_GENERAL_NAME_set_type(WOLFSSL_GENERAL_NAME* name, int typ)
{
int ret = WOLFSSL_SUCCESS;
if (name != NULL) {
wolfSSL_GENERAL_NAME_type_free(name);
name->type = typ;
switch (typ) {
case GEN_URI:
name->d.uniformResourceIdentifier = wolfSSL_ASN1_STRING_new();
if (name->d.uniformResourceIdentifier == NULL)
ret = MEMORY_E;
break;
default:
name->type = GEN_IA5;
name->d.ia5 = wolfSSL_ASN1_STRING_new();
if (name->d.ia5 == NULL)
ret = MEMORY_E;
}
}
else {
ret = BAD_FUNC_ARG;
}
return ret;
}
/* Set the value in a general name. This is a compat layer API.
*
* @param [out] a Pointer to the GENERAL_NAME where the othername is set.
* @param [in] type The type of this general name.
* @param [in] value The ASN.1 string that is the value.
* @return none
* @note the set0 indicates we take ownership so the user does NOT free value.
*/
void wolfSSL_GENERAL_NAME_set0_value(WOLFSSL_GENERAL_NAME *a, int type,
void *value)
{
WOLFSSL_ASN1_STRING *val = (WOLFSSL_ASN1_STRING *)value;
if (a == NULL) {
WOLFSSL_MSG("a is NULL");
return;
}
if (val == NULL) {
WOLFSSL_MSG("value is NULL");
return;
}
if (type != GEN_DNS) {
WOLFSSL_MSG("Only GEN_DNS is supported");
return;
}
wolfSSL_GENERAL_NAME_type_free(a);
a->type = type;
if (type == GEN_DNS) {
a->d.dNSName = val;
}
}
/* Frees GENERAL_NAME objects.
*/
void wolfSSL_GENERAL_NAME_free(WOLFSSL_GENERAL_NAME* name)
{
WOLFSSL_ENTER("wolfSSL_GENERAL_NAME_Free");
if (name != NULL) {
wolfSSL_GENERAL_NAME_type_free(name);
XFREE(name, NULL, DYNAMIC_TYPE_OPENSSL);
}
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL*/
#ifdef OPENSSL_EXTRA
void wolfSSL_GENERAL_NAMES_free(WOLFSSL_GENERAL_NAMES *gens)
{
WOLFSSL_ENTER("wolfSSL_GENERAL_NAMES_free");
if (gens == NULL) {
return;
}
wolfSSL_sk_GENERAL_NAME_free(gens);
}
void wolfSSL_EXTENDED_KEY_USAGE_free(WOLFSSL_STACK * sk)
{
WOLFSSL_ENTER("wolfSSL_EXTENDED_KEY_USAGE_free");
if (sk == NULL) {
return;
}
wolfSSL_sk_X509_pop_free(sk, NULL);
}
#if defined(OPENSSL_ALL) && !defined(NO_BIO)
/* Outputs name string of the given WOLFSSL_GENERAL_NAME_OBJECT to WOLFSSL_BIO.
* Can handle following GENERAL_NAME_OBJECT types:
* - GEN_OTHERNAME #
* - GEN_EMAIL
* - GEN_DNS
* - GEN_X400 #
* - GEN_DIRNAME
* - GEN_EDIPARTY #
* - GEN_URI
* - GEN_RID
* The each name string to be output has "typename:namestring" format.
* For instance, email name string will be output as "email:info@wolfssl.com".
* However,some types above marked with "#" will be output with
* "typename:<unsupported>".
*
* Parameters:
* - out: WOLFSSL_BIO object which is the output destination
* - gen: WOLFSSL_GENERAL_NAME object to be output its name
*
* Returns WOLFSSL_SUCCESS on success, WOLFSSL_FAILURE on failure.
*/
int wolfSSL_GENERAL_NAME_print(WOLFSSL_BIO* out, WOLFSSL_GENERAL_NAME* gen)
{
int ret, i;
unsigned int wd;
unsigned char* p;
(void)wd;
(void)p;
(void)i;
WOLFSSL_ENTER("wolfSSL_GENERAL_NAME_print");
if (out == NULL || gen == NULL)
return WOLFSSL_FAILURE;
ret = WOLFSSL_FAILURE;
switch (gen->type)
{
case GEN_OTHERNAME:
ret = wolfSSL_BIO_printf(out, "othername:<unsupported>");
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
break;
case GEN_EMAIL:
ret = wolfSSL_BIO_printf(out, "email:");
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
if (ret == WOLFSSL_SUCCESS)
{
ret = wolfSSL_ASN1_STRING_print(out, gen->d.rfc822Name);
}
break;
case GEN_DNS:
ret = wolfSSL_BIO_printf(out, "DNS:");
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
if (ret == WOLFSSL_SUCCESS) {
ret = wolfSSL_BIO_printf(out, "%s", gen->d.dNSName->strData);
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
}
break;
case GEN_X400:
ret = wolfSSL_BIO_printf(out, "X400Name:<unsupported>");
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
break;
case GEN_DIRNAME:
ret = wolfSSL_BIO_printf(out, "DirName:");
if (ret == WOLFSSL_SUCCESS) {
ret = wolfSSL_X509_NAME_print_ex(out, gen->d.directoryName, 0,
XN_FLAG_ONELINE);
}
break;
case GEN_EDIPARTY:
ret = wolfSSL_BIO_printf(out, "EdiPartyName:<unsupported>");
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
break;
case GEN_URI:
ret = wolfSSL_BIO_printf(out, "URI:");
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
if (ret == WOLFSSL_SUCCESS) {
ret = wolfSSL_ASN1_STRING_print(out,
gen->d.uniformResourceIdentifier);
}
break;
case GEN_IPADD:
ret = wolfSSL_BIO_printf(out, "IP Address");
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
if (ret == WOLFSSL_SUCCESS) {
if (!gen->d.iPAddress->length) {
ret = WOLFSSL_FAILURE;
break;
}
p = (unsigned char*)gen->d.iPAddress->strData;
if (gen->d.iPAddress->length == 4) {
ret = wolfSSL_BIO_printf(out, ":%d.%d.%d.%d",
p[0],p[1],p[2],p[3]);
}
else if (gen->d.iPAddress->length == 16) {
for (i = 0; i < 16 && ret == WOLFSSL_SUCCESS;) {
wd = p[i] << 8 | p[i+1];
i += 2;
ret = wolfSSL_BIO_printf(out, ":%X", wd);
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
}
}
else {
ret = wolfSSL_BIO_printf(out, "<unsupported>");
}
ret = (ret > 0) ? WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
}
break;
case GEN_RID:
ret = wolfSSL_BIO_printf(out, "Registered ID:");
if (ret == WOLFSSL_SUCCESS) {
ret = wolfSSL_i2a_ASN1_OBJECT(out, gen->d.registeredID);
}
break;
default:
/* unsupported type */
break;
}
if (ret == WOLFSSL_FAILURE)
return WOLFSSL_FAILURE;
else
return WOLFSSL_SUCCESS;
}
#endif /* OPENSSL_ALL */
WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* wolfSSL_sk_X509_EXTENSION_new_null(void)
{
WOLFSSL_STACK* sk = wolfSSL_sk_new_node(NULL);
if (sk) {
sk->type = STACK_TYPE_X509_EXT;
}
return (WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)*)sk;;
}
/* returns the number of nodes on the stack */
int wolfSSL_sk_X509_EXTENSION_num(WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* sk)
{
if (sk != NULL) {
return (int)sk->num;
}
return WOLFSSL_FATAL_ERROR;
}
/* returns null on failure and pointer to internal value on success */
WOLFSSL_X509_EXTENSION* wolfSSL_sk_X509_EXTENSION_value(
WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* sk, int idx)
{
WOLFSSL_STACK* ret;
if (sk == NULL) {
return NULL;
}
ret = wolfSSL_sk_get_node(sk, idx);
if (ret != NULL) {
return ret->data.ext;
}
return NULL;
}
/* frees all of the nodes and the values in stack */
void wolfSSL_sk_X509_EXTENSION_pop_free(
WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* sk,
void (*f) (WOLFSSL_X509_EXTENSION*))
{
wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f);
}
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) && !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM)
WOLFSSL_X509* wolfSSL_X509_d2i_fp(WOLFSSL_X509** x509, XFILE file)
{
WOLFSSL_X509* newX509 = NULL;
WOLFSSL_ENTER("wolfSSL_X509_d2i_fp");
if (file != XBADFILE) {
byte* fileBuffer = NULL;
long sz = 0;
if (XFSEEK(file, 0, XSEEK_END) != 0)
return NULL;
sz = XFTELL(file);
if (XFSEEK(file, 0, XSEEK_SET) != 0)
return NULL;
if (sz > MAX_WOLFSSL_FILE_SIZE || sz < 0) {
WOLFSSL_MSG("X509_d2i file size error");
return NULL;
}
fileBuffer = (byte*)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE);
if (fileBuffer != NULL) {
int ret = (int)XFREAD(fileBuffer, 1, sz, file);
if (ret == sz) {
newX509 = wolfSSL_X509_d2i(NULL, fileBuffer, (int)sz);
}
XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE);
}
}
if (x509 != NULL)
*x509 = newX509;
return newX509;
}
#endif /* OPENSSL_EXTRA && !NO_FILESYSTEM && !NO_STDIO_FILESYSTEM */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \
defined(KEEP_PEER_CERT) || defined(SESSION_CERTS)
#ifndef NO_FILESYSTEM
WOLFSSL_ABI
WOLFSSL_X509* wolfSSL_X509_load_certificate_file(const char* fname, int format)
{
#ifdef WOLFSSL_SMALL_STACK
byte staticBuffer[1]; /* force heap usage */
#else
byte staticBuffer[FILE_BUFFER_SIZE];
#endif
byte* fileBuffer = staticBuffer;
int dynamic = 0;
int ret;
long sz = 0;
XFILE file;
WOLFSSL_X509* x509 = NULL;
/* Check the inputs */
if ((fname == NULL) ||
(format != WOLFSSL_FILETYPE_ASN1 && format != WOLFSSL_FILETYPE_PEM))
return NULL;
file = XFOPEN(fname, "rb");
if (file == XBADFILE)
return NULL;
if (XFSEEK(file, 0, XSEEK_END) != 0){
XFCLOSE(file);
return NULL;
}
sz = XFTELL(file);
if (XFSEEK(file, 0, XSEEK_SET) != 0){
XFCLOSE(file);
return NULL;
}
if (sz > MAX_WOLFSSL_FILE_SIZE || sz < 0) {
WOLFSSL_MSG("X509_load_certificate_file size error");
XFCLOSE(file);
return NULL;
}
if (sz > (long)sizeof(staticBuffer)) {
fileBuffer = (byte*)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE);
if (fileBuffer == NULL) {
XFCLOSE(file);
return NULL;
}
dynamic = 1;
}
ret = (int)XFREAD(fileBuffer, 1, sz, file);
if (ret != sz) {
XFCLOSE(file);
if (dynamic)
XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE);
return NULL;
}
XFCLOSE(file);
x509 = wolfSSL_X509_load_certificate_buffer(fileBuffer, (int)sz, format);
if (dynamic)
XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE);
return x509;
}
#endif /* !NO_FILESYSTEM */
static WOLFSSL_X509* loadX509orX509REQFromBuffer(
const unsigned char* buf, int sz, int format, int type)
{
int ret = 0;
WOLFSSL_X509* x509 = NULL;
DerBuffer* der = NULL;
WOLFSSL_ENTER("wolfSSL_X509_load_certificate_ex");
if (format == WOLFSSL_FILETYPE_PEM) {
#ifdef WOLFSSL_PEM_TO_DER
ret = PemToDer(buf, sz, type, &der, NULL, NULL, NULL);
if (ret != 0) {
FreeDer(&der);
}
#else
ret = NOT_COMPILED_IN;
#endif
}
else {
ret = AllocDer(&der, (word32)sz, type, NULL);
if (ret == 0) {
XMEMCPY(der->buffer, buf, sz);
}
}
/* At this point we want `der` to have the certificate in DER format */
/* ready to be decoded. */
if (der != NULL && der->buffer != NULL) {
#ifdef WOLFSSL_SMALL_STACK
DecodedCert* cert;
#else
DecodedCert cert[1];
#endif
#ifdef WOLFSSL_SMALL_STACK
cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL,
DYNAMIC_TYPE_DCERT);
if (cert == NULL) {
ret = MEMORY_ERROR;
}
else
#endif
{
InitDecodedCert(cert, der->buffer, der->length, NULL);
ret = ParseCertRelative(cert, type, 0, NULL);
if (ret == 0) {
x509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), NULL,
DYNAMIC_TYPE_X509);
if (x509 != NULL) {
InitX509(x509, 1, NULL);
ret = CopyDecodedToX509(x509, cert);
if (ret != 0) {
wolfSSL_X509_free(x509);
x509 = NULL;
}
}
else {
ret = MEMORY_ERROR;
}
}
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
}
FreeDer(&der);
}
if (ret != 0) {
WOLFSSL_ERROR(ret);
}
return x509;
}
WOLFSSL_X509* wolfSSL_X509_load_certificate_buffer(
const unsigned char* buf, int sz, int format)
{
return loadX509orX509REQFromBuffer(buf, sz,
format, CERT_TYPE);
}
#ifdef WOLFSSL_CERT_REQ
WOLFSSL_X509* wolfSSL_X509_REQ_load_certificate_buffer(
const unsigned char* buf, int sz, int format)
{
return loadX509orX509REQFromBuffer(buf, sz,
format, CERTREQ_TYPE);
}
#endif
#endif /* KEEP_PEER_CERT || SESSION_CERTS */
#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(KEEP_PEER_CERT) || \
defined(SESSION_CERTS)
/* Smaller subset of X509 compatibility functions. Avoid increasing the size of
* this subset and its memory usage */
/* returns a pointer to a new WOLFSSL_X509 structure on success and NULL on
* fail
*/
WOLFSSL_X509* wolfSSL_X509_new(void)
{
WOLFSSL_X509* x509;
x509 = (WOLFSSL_X509*)XMALLOC(sizeof(WOLFSSL_X509), NULL,
DYNAMIC_TYPE_X509);
if (x509 != NULL) {
InitX509(x509, 1, NULL);
}
return x509;
}
WOLFSSL_ABI
WOLFSSL_X509_NAME* wolfSSL_X509_get_subject_name(WOLFSSL_X509* cert)
{
WOLFSSL_ENTER("wolfSSL_X509_get_subject_name");
if (cert)
return &cert->subject;
return NULL;
}
WOLFSSL_ABI
WOLFSSL_X509_NAME* wolfSSL_X509_get_issuer_name(WOLFSSL_X509* cert)
{
WOLFSSL_ENTER("wolfSSL_X509_get_issuer_name");
if (cert)
return &cert->issuer;
return NULL;
}
int wolfSSL_X509_get_signature_type(WOLFSSL_X509* x509)
{
int type = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_signature_type");
if (x509 != NULL)
type = x509->sigOID;
return type;
}
#if defined(OPENSSL_EXTRA_X509_SMALL)
int wolfSSL_X509_NAME_get_sz(WOLFSSL_X509_NAME* name)
{
WOLFSSL_ENTER("wolfSSL_X509_NAME_get_sz");
if (!name)
return -1;
return name->sz;
}
/* Searches for the first ENTRY of type NID
* idx is the location to start searching from, the value at when the entry was
* found is stored into idx
* returns a pointer to the entry on success and null on fail */
static WOLFSSL_X509_NAME_ENTRY* GetEntryByNID(WOLFSSL_X509_NAME* name, int nid,
int* idx)
{
int i;
WOLFSSL_X509_NAME_ENTRY* ret = NULL;
/* and index of less than 0 is assumed to be starting from 0 */
if (*idx < 0) {
*idx = 0;
}
for (i = *idx; i < MAX_NAME_ENTRIES; i++) {
if (name->entry[i].nid == nid) {
ret = &name->entry[i];
*idx = i;
break;
}
}
return ret;
}
/* Used to get a string from the WOLFSSL_X509_NAME structure that
* corresponds with the NID value passed in. This finds the first entry with
* matching NID value, if searching for the case where there is multiple
* entries with the same NID value than other functions should be used
* (i.e. wolfSSL_X509_NAME_get_index_by_NID, wolfSSL_X509_NAME_get_entry)
*
* name structure to get string from
* nid NID value to search for
* buf [out] buffer to hold results. If NULL then the buffer size minus the
* null char is returned.
* len size of "buf" passed in
*
* returns the length of string found, not including the NULL terminator.
* It's possible the function could return a negative value in the
* case that len is less than or equal to 0. A negative value is
* considered an error case.
*/
int wolfSSL_X509_NAME_get_text_by_NID(WOLFSSL_X509_NAME* name,
int nid, char* buf, int len)
{
WOLFSSL_X509_NAME_ENTRY* e;
unsigned char *text = NULL;
int textSz = 0;
int idx = 0;
WOLFSSL_ENTER("wolfSSL_X509_NAME_get_text_by_NID");
if (name == NULL) {
WOLFSSL_MSG("NULL argument passed in");
return WOLFSSL_FATAL_ERROR;
}
e = GetEntryByNID(name, nid, &idx);
if (e == NULL) {
WOLFSSL_MSG("Entry type not found");
return WOLFSSL_FATAL_ERROR;
}
text = wolfSSL_ASN1_STRING_data(e->value);
textSz = wolfSSL_ASN1_STRING_length(e->value);
if (text == NULL) {
WOLFSSL_MSG("Unable to get entry text");
return WOLFSSL_FATAL_ERROR;
}
/* if buf is NULL return size of buffer needed (minus null char) */
if (buf == NULL) {
WOLFSSL_MSG("Buffer is NULL, returning buffer size only");
return textSz;
}
/* buf is not NULL from above */
if (text != NULL) {
textSz = min(textSz + 1, len); /* + 1 to account for null char */
if (textSz > 0) {
XMEMCPY(buf, text, textSz - 1);
buf[textSz - 1] = '\0';
}
}
WOLFSSL_LEAVE("wolfSSL_X509_NAME_get_text_by_NID", textSz);
return (textSz - 1); /* do not include null character in size */
}
/* Creates a new WOLFSSL_EVP_PKEY structure that has the public key from x509
*
* returns a pointer to the created WOLFSSL_EVP_PKEY on success and NULL on fail
*/
WOLFSSL_EVP_PKEY* wolfSSL_X509_get_pubkey(WOLFSSL_X509* x509)
{
WOLFSSL_EVP_PKEY* key = NULL;
int ret;
(void)ret;
WOLFSSL_ENTER("wolfSSL_X509_get_pubkey");
if (x509 != NULL) {
key = wolfSSL_EVP_PKEY_new_ex(x509->heap);
if (key != NULL) {
if (x509->pubKeyOID == RSAk) {
key->type = EVP_PKEY_RSA;
}
else if (x509->pubKeyOID == DSAk) {
key->type = EVP_PKEY_DSA;
}
else {
key->type = EVP_PKEY_EC;
}
key->save_type = 0;
key->pkey.ptr = (char*)XMALLOC(
x509->pubKey.length, x509->heap,
DYNAMIC_TYPE_PUBLIC_KEY);
if (key->pkey.ptr == NULL) {
wolfSSL_EVP_PKEY_free(key);
return NULL;
}
XMEMCPY(key->pkey.ptr, x509->pubKey.buffer, x509->pubKey.length);
key->pkey_sz = x509->pubKey.length;
#ifdef HAVE_ECC
key->pkey_curve = (int)x509->pkCurveOID;
#endif /* HAVE_ECC */
/* decode RSA key */
#ifndef NO_RSA
if (key->type == EVP_PKEY_RSA) {
key->ownRsa = 1;
key->rsa = wolfSSL_RSA_new();
if (key->rsa == NULL) {
wolfSSL_EVP_PKEY_free(key);
return NULL;
}
if (wolfSSL_RSA_LoadDer_ex(key->rsa,
(const unsigned char*)key->pkey.ptr, key->pkey_sz,
WOLFSSL_RSA_LOAD_PUBLIC) != WOLFSSL_SUCCESS) {
wolfSSL_EVP_PKEY_free(key);
return NULL;
}
}
#endif /* NO_RSA */
/* decode ECC key */
#if defined(HAVE_ECC) && defined(OPENSSL_EXTRA)
if (key->type == EVP_PKEY_EC) {
word32 idx = 0;
key->ownEcc = 1;
key->ecc = wolfSSL_EC_KEY_new();
if (key->ecc == NULL || key->ecc->internal == NULL) {
wolfSSL_EVP_PKEY_free(key);
return NULL;
}
/* not using wolfSSL_EC_KEY_LoadDer because public key in x509
* is in the format of x963 (no sequence at start of buffer) */
ret = wc_EccPublicKeyDecode((const unsigned char*)key->pkey.ptr,
&idx, (ecc_key*)key->ecc->internal,
key->pkey_sz);
if (ret < 0) {
WOLFSSL_ERROR_VERBOSE(ret);
WOLFSSL_MSG("wc_EccPublicKeyDecode failed");
wolfSSL_EVP_PKEY_free(key);
return NULL;
}
if (SetECKeyExternal(key->ecc) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("SetECKeyExternal failed");
wolfSSL_EVP_PKEY_free(key);
return NULL;
}
key->ecc->inSet = 1;
}
#endif /* HAVE_ECC && OPENSSL_EXTRA */
#ifndef NO_DSA
if (key->type == EVP_PKEY_DSA) {
key->ownDsa = 1;
key->dsa = wolfSSL_DSA_new();
if (key->dsa == NULL) {
wolfSSL_EVP_PKEY_free(key);
return NULL;
}
if (wolfSSL_DSA_LoadDer_ex(key->dsa,
(const unsigned char*)key->pkey.ptr, key->pkey_sz, \
WOLFSSL_DSA_LOAD_PUBLIC) != WOLFSSL_SUCCESS) {
wolfSSL_DSA_free(key->dsa);
key->dsa = NULL;
wolfSSL_EVP_PKEY_free(key);
return NULL;
}
}
#endif /* NO_DSA */
}
}
return key;
}
#endif /* OPENSSL_EXTRA_X509_SMALL */
/* End of smaller subset of X509 compatibility functions. Avoid increasing the
* size of this subset and its memory usage */
#endif /* OPENSSL_EXTRA_X509_SMALL || KEEP_PEER_CERT || SESSION_CERTS */
#if defined(OPENSSL_ALL)
/*
* Converts a and b to DER and then does an XMEMCMP to check if they match.
* Returns 0 when certificates match and WOLFSSL_FATAL_ERROR when they don't.
*/
int wolfSSL_X509_cmp(const WOLFSSL_X509 *a, const WOLFSSL_X509 *b)
{
const byte* derA;
const byte* derB;
int outSzA = 0;
int outSzB = 0;
if (a == NULL || b == NULL){
return BAD_FUNC_ARG;
}
derA = wolfSSL_X509_get_der((WOLFSSL_X509*)a, &outSzA);
if (derA == NULL){
WOLFSSL_MSG("wolfSSL_X509_get_der - certificate A has failed");
return WOLFSSL_FATAL_ERROR;
}
derB = wolfSSL_X509_get_der((WOLFSSL_X509*)b, &outSzB);
if (derB == NULL){
WOLFSSL_MSG("wolfSSL_X509_get_der - certificate B has failed");
return WOLFSSL_FATAL_ERROR;
}
if (outSzA != outSzB || XMEMCMP(derA, derB, outSzA) != 0) {
WOLFSSL_LEAVE("wolfSSL_X509_cmp", WOLFSSL_FATAL_ERROR);
return WOLFSSL_FATAL_ERROR;
}
WOLFSSL_LEAVE("wolfSSL_X509_cmp", 0);
return 0;
}
#endif /* OPENSSL_ALL */
#if defined(OPENSSL_EXTRA)
int wolfSSL_X509_ext_isSet_by_NID(WOLFSSL_X509* x509, int nid)
{
int isSet = 0;
WOLFSSL_ENTER("wolfSSL_X509_ext_isSet_by_NID");
if (x509 != NULL) {
switch (nid) {
case NID_basic_constraints: isSet = x509->basicConstSet; break;
case NID_subject_alt_name: isSet = x509->subjAltNameSet; break;
case NID_authority_key_identifier: isSet = x509->authKeyIdSet; break;
case NID_subject_key_identifier: isSet = x509->subjKeyIdSet; break;
case NID_key_usage: isSet = x509->keyUsageSet; break;
case NID_crl_distribution_points: isSet = x509->CRLdistSet; break;
case NID_ext_key_usage: isSet = ((x509->extKeyUsageSrc) ? 1 : 0);
break;
case NID_info_access: isSet = x509->authInfoSet; break;
#if defined(WOLFSSL_SEP) || defined(WOLFSSL_QT)
case NID_certificate_policies: isSet = x509->certPolicySet; break;
#endif /* WOLFSSL_SEP || WOLFSSL_QT */
default:
WOLFSSL_MSG("NID not in table");
}
}
WOLFSSL_LEAVE("wolfSSL_X509_ext_isSet_by_NID", isSet);
return isSet;
}
int wolfSSL_X509_ext_get_critical_by_NID(WOLFSSL_X509* x509, int nid)
{
int crit = 0;
WOLFSSL_ENTER("wolfSSL_X509_ext_get_critical_by_NID");
if (x509 != NULL) {
switch (nid) {
case NID_basic_constraints: crit = x509->basicConstCrit; break;
case NID_subject_alt_name: crit = x509->subjAltNameCrit; break;
case NID_authority_key_identifier: crit = x509->authKeyIdCrit; break;
case NID_subject_key_identifier: crit = x509->subjKeyIdCrit; break;
case NID_key_usage: crit = x509->keyUsageCrit; break;
case NID_crl_distribution_points: crit= x509->CRLdistCrit; break;
case NID_ext_key_usage: crit= x509->extKeyUsageCrit; break;
#if defined(WOLFSSL_SEP) || defined(WOLFSSL_QT)
case NID_certificate_policies: crit = x509->certPolicyCrit; break;
#endif /* WOLFSSL_SEP || WOLFSSL_QT */
}
}
WOLFSSL_LEAVE("wolfSSL_X509_ext_get_critical_by_NID", crit);
return crit;
}
int wolfSSL_X509_get_isSet_pathLength(WOLFSSL_X509* x509)
{
int isSet = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_isSet_pathLength");
if (x509 != NULL)
isSet = x509->basicConstPlSet;
WOLFSSL_LEAVE("wolfSSL_X509_get_isSet_pathLength", isSet);
return isSet;
}
word32 wolfSSL_X509_get_pathLength(WOLFSSL_X509* x509)
{
word32 pathLength = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_pathLength");
if (x509 != NULL)
pathLength = x509->pathLength;
WOLFSSL_LEAVE("wolfSSL_X509_get_pathLength", pathLength);
return pathLength;
}
unsigned int wolfSSL_X509_get_keyUsage(WOLFSSL_X509* x509)
{
word16 usage = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_keyUsage");
if (x509 != NULL)
usage = x509->keyUsage;
WOLFSSL_LEAVE("wolfSSL_X509_get_keyUsage", usage);
return usage;
}
byte* wolfSSL_X509_get_authorityKeyID(WOLFSSL_X509* x509,
byte* dst, int* dstLen)
{
byte *id = NULL;
int copySz = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_authorityKeyID");
if (x509 != NULL) {
if (x509->authKeyIdSet) {
copySz = min(dstLen != NULL ? *dstLen : 0,
(int)x509->authKeyIdSz);
id = x509->authKeyId;
}
if (dst != NULL && dstLen != NULL && id != NULL && copySz > 0) {
XMEMCPY(dst, id, copySz);
id = dst;
*dstLen = copySz;
}
}
WOLFSSL_LEAVE("wolfSSL_X509_get_authorityKeyID", copySz);
return id;
}
byte* wolfSSL_X509_get_subjectKeyID(WOLFSSL_X509* x509,
byte* dst, int* dstLen)
{
byte *id = NULL;
int copySz = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_subjectKeyID");
if (x509 != NULL) {
if (x509->subjKeyIdSet) {
copySz = min(dstLen != NULL ? *dstLen : 0,
(int)x509->subjKeyIdSz);
id = x509->subjKeyId;
}
if (dst != NULL && dstLen != NULL && id != NULL && copySz > 0) {
XMEMCPY(dst, id, copySz);
id = dst;
*dstLen = copySz;
}
}
WOLFSSL_LEAVE("wolfSSL_X509_get_subjectKeyID", copySz);
return id;
}
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \
defined(OPENSSL_EXTRA_X509_SMALL)
/* Looks up the index of the first entry encountered with matching NID
* The search starts from index 'pos'
* returns a negative value on failure and positive index value on success*/
int wolfSSL_X509_NAME_get_index_by_NID(WOLFSSL_X509_NAME* name,
int nid, int pos)
{
int value = nid, i;
WOLFSSL_ENTER("wolfSSL_X509_NAME_get_index_by_NID");
if (name == NULL) {
return BAD_FUNC_ARG;
}
i = pos + 1; /* start search after index passed in */
if (i < 0) {
i = 0;
}
for (;i < name->entrySz && i < MAX_NAME_ENTRIES; i++) {
if (name->entry[i].nid == value) {
return i;
}
}
return WOLFSSL_FATAL_ERROR;
}
WOLFSSL_ASN1_STRING* wolfSSL_X509_NAME_ENTRY_get_data(
WOLFSSL_X509_NAME_ENTRY* in)
{
WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_get_data");
if (in == NULL)
return NULL;
return in->value;
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#ifdef OPENSSL_EXTRA
#ifndef NO_BIO
#ifndef MAX_WIDTH
#define MAX_WIDTH 80
#endif
static int X509PrintSubjAltName(WOLFSSL_BIO* bio, WOLFSSL_X509* x509,
int indent)
{
int ret = WOLFSSL_SUCCESS;
DNS_entry* entry;
if (bio == NULL || x509 == NULL) {
ret = WOLFSSL_FAILURE;
}
if (ret == WOLFSSL_SUCCESS && x509->subjAltNameSet &&
x509->altNames != NULL) {
char scratch[MAX_WIDTH];
int len;
len = XSNPRINTF(scratch, MAX_WIDTH, "%*s", indent, "");
if (len >= MAX_WIDTH)
ret = WOLFSSL_FAILURE;
if (ret == WOLFSSL_SUCCESS) {
if (wolfSSL_BIO_write(bio, scratch, (int)XSTRLEN(scratch)) <= 0) {
ret = WOLFSSL_FAILURE;
}
}
if (ret == WOLFSSL_SUCCESS) {
int nameCount = 0;
entry = x509->altNames;
while (entry != NULL) {
++nameCount;
if (nameCount > 1) {
if (wolfSSL_BIO_write(bio, ", ", 2) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
}
if (entry->type == ASN_DNS_TYPE) {
len = XSNPRINTF(scratch, MAX_WIDTH, "DNS:%s", entry->name);
if (len >= MAX_WIDTH) {
ret = WOLFSSL_FAILURE;
break;
}
}
#if defined(OPENSSL_ALL) || defined(WOLFSSL_IP_ALT_NAME)
else if (entry->type == ASN_IP_TYPE) {
len = XSNPRINTF(scratch, MAX_WIDTH, "IP Address:%s",
entry->ipString);
if (len >= MAX_WIDTH) {
ret = WOLFSSL_FAILURE;
break;
}
}
#endif /* OPENSSL_ALL || WOLFSSL_IP_ALT_NAME */
else if (entry->type == ASN_RFC822_TYPE) {
len = XSNPRINTF(scratch, MAX_WIDTH, "email:%s",
entry->name);
if (len >= MAX_WIDTH) {
ret = WOLFSSL_FAILURE;
break;
}
}
else if (entry->type == ASN_DIR_TYPE) {
/* @TODO entry->name in ASN1 syntax */
len = XSNPRINTF(scratch, MAX_WIDTH,
"DirName:<print out not supported yet>");
if (len >= MAX_WIDTH) {
ret = WOLFSSL_FAILURE;
break;
}
}
else if (entry->type == ASN_URI_TYPE) {
len = XSNPRINTF(scratch, MAX_WIDTH, "URI:%s",
entry->name);
if (len >= MAX_WIDTH) {
ret = WOLFSSL_FAILURE;
break;
}
}
#if defined(OPENSSL_ALL)
else if (entry->type == ASN_RID_TYPE) {
len = XSNPRINTF(scratch, MAX_WIDTH, "Registered ID:%s",
entry->ridString);
if (len >= MAX_WIDTH) {
ret = WOLFSSL_FAILURE;
break;
}
}
#endif
else if (entry->type == ASN_OTHER_TYPE) {
len = XSNPRINTF(scratch, MAX_WIDTH,
"othername <unsupported>");
if (len >= MAX_WIDTH) {
ret = WOLFSSL_FAILURE;
break;
}
}
else {
WOLFSSL_MSG("Bad alt name type.");
ret = WOLFSSL_FAILURE;
break;
}
if (wolfSSL_BIO_write(bio, scratch, (int)XSTRLEN(scratch))
<= 0) {
ret = WOLFSSL_FAILURE;
break;
}
entry = entry->next;
}
}
if (ret == WOLFSSL_SUCCESS && wolfSSL_BIO_write(bio, "\n", 1) <= 0) {
ret = WOLFSSL_FAILURE;
}
}
return ret;
}
#ifdef XSNPRINTF
static int X509PrintKeyUsage(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent)
{
int ret = WOLFSSL_SUCCESS;
const int usages[] = {
KEYUSE_DIGITAL_SIG,
KEYUSE_CONTENT_COMMIT,
KEYUSE_KEY_ENCIPHER,
KEYUSE_DATA_ENCIPHER,
KEYUSE_KEY_AGREE,
KEYUSE_KEY_CERT_SIGN,
KEYUSE_CRL_SIGN,
KEYUSE_ENCIPHER_ONLY,
KEYUSE_DECIPHER_ONLY
};
const char* usageStrs[] = {
"Digital Signature",
"Non Repudiation",
"Key Encipherment",
"Data Encipherment",
"Key Agreement",
"Certificate Sign",
"CRL Sign",
"Encipher Only",
"Decipher Only"
};
if (bio == NULL || x509 == NULL) {
ret = WOLFSSL_FAILURE;
}
if (ret == WOLFSSL_SUCCESS && x509->keyUsageSet && x509->keyUsage != 0) {
char scratch[MAX_WIDTH];
int len;
word32 i = 0;
int usageCount = 0;
len = XSNPRINTF(scratch, MAX_WIDTH, "%*s", indent, "");
if (len >= MAX_WIDTH)
ret = WOLFSSL_FAILURE;
if (ret == WOLFSSL_SUCCESS) {
if (wolfSSL_BIO_write(bio, scratch, (int)XSTRLEN(scratch)) <= 0) {
ret = WOLFSSL_FAILURE;
}
}
for (; ret == WOLFSSL_SUCCESS && i < sizeof(usages) / sizeof(usages[i]);
i++) {
if (x509->keyUsage & usages[i]) {
++usageCount;
if (usageCount > 1 && wolfSSL_BIO_write(bio, ", ", 2) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
if (wolfSSL_BIO_write(bio, usageStrs[i],
(int)XSTRLEN(usageStrs[i])) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
}
}
if (ret == WOLFSSL_SUCCESS && wolfSSL_BIO_write(bio, "\n", 1) <= 0) {
ret = WOLFSSL_FAILURE;
}
}
return ret;
}
static int X509PrintExtendedKeyUsage(WOLFSSL_BIO* bio, WOLFSSL_X509* x509,
int indent)
{
int ret = WOLFSSL_SUCCESS;
const int usages[] = {
EXTKEYUSE_OCSP_SIGN,
EXTKEYUSE_TIMESTAMP,
EXTKEYUSE_EMAILPROT,
EXTKEYUSE_CODESIGN,
EXTKEYUSE_CLIENT_AUTH,
EXTKEYUSE_SERVER_AUTH
};
const char* usageStrs[] = {
"OCSP Signing",
"Time Stamping",
"E-mail Protection",
"Code Signing",
"TLS Web Client Authentication",
"TLS Web Server Authentication"
};
if (bio == NULL || x509 == NULL) {
ret = WOLFSSL_FAILURE;
}
if (ret == WOLFSSL_SUCCESS && x509->extKeyUsageCount > 0
&& x509->extKeyUsage != 0) {
char scratch[MAX_WIDTH];
int len;
word32 i = 0;
int usageCount = 0;
len = XSNPRINTF(scratch, MAX_WIDTH, "%*s", indent, "");
if (len >= MAX_WIDTH)
ret = WOLFSSL_FAILURE;
if (ret == WOLFSSL_SUCCESS) {
if (wolfSSL_BIO_write(bio, scratch, (int)XSTRLEN(scratch)) <= 0) {
ret = WOLFSSL_FAILURE;
}
}
for (; ret == WOLFSSL_SUCCESS && i < sizeof(usages) / sizeof(usages[i]);
i++) {
if (x509->extKeyUsage & usages[i]) {
++usageCount;
if (usageCount > 1 && wolfSSL_BIO_write(bio, ", ", 2) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
if (wolfSSL_BIO_write(bio, usageStrs[i],
(int)XSTRLEN(usageStrs[i])) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
}
}
if (ret == WOLFSSL_SUCCESS && wolfSSL_BIO_write(bio, "\n", 1) <= 0) {
ret = WOLFSSL_FAILURE;
}
}
return ret;
}
/* print serial number out
* return WOLFSSL_SUCCESS on success
*/
static int X509PrintSerial_ex(WOLFSSL_BIO* bio, byte* serial, int sz,
int delimiter, int indent)
{
char scratch[MAX_WIDTH];
const int scratchSz = sizeof(scratch);
int scratchLen;
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*sSerial Number:",
indent, "")) >= MAX_WIDTH) {
WOLFSSL_MSG("buffer overrun");
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
return WOLFSSL_FAILURE;
}
if (sz > (int)sizeof(byte)) {
int i;
/* serial is larger than int size so print off hex values */
if ((scratchLen = XSNPRINTF(
scratch, MAX_WIDTH, "\n%*s", indent + 4, ""))
>= MAX_WIDTH) {
WOLFSSL_MSG("buffer overrun");
return WOLFSSL_FAILURE;
}
for (i = 0; i < sz; i++) {
int valLen;
if ((valLen = XSNPRINTF(
scratch + scratchLen, scratchSz - scratchLen,
"%02x%s", serial[i], (i < sz - 1) ?
(delimiter ? ":" : "") : "\n"))
>= scratchSz - scratchLen)
{
WOLFSSL_MSG("buffer overrun");
return WOLFSSL_FAILURE;
}
scratchLen += valLen;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
return WOLFSSL_FAILURE;
}
}
/* if serial can fit into byte then print on the same line */
else {
if ((scratchLen = XSNPRINTF(
scratch, MAX_WIDTH, " %d (0x%x)\n", serial[0], serial[0]))
>= MAX_WIDTH)
{
WOLFSSL_MSG("buffer overrun");
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
return WOLFSSL_FAILURE;
}
}
return WOLFSSL_SUCCESS;
}
static int X509PrintSerial(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent)
{
unsigned char serial[32];
int sz = sizeof(serial);
XMEMSET(serial, 0, sz);
if (wolfSSL_X509_get_serial_number(x509, serial, &sz) == WOLFSSL_SUCCESS) {
X509PrintSerial_ex(bio, serial, sz, 1, indent);
}
return WOLFSSL_SUCCESS;
}
/* iterate through certificate extensions printing them out in human readable
* form
* return WOLFSSL_SUCCESS on success
*/
static int X509PrintExtensions(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent)
{
int ret = WOLFSSL_SUCCESS;
char scratch[MAX_WIDTH];
const int scratchSz = sizeof(scratch);
int scratchLen;
int count, i;
char* buf = NULL;
count = wolfSSL_X509_get_ext_count(x509);
if (count <= 0)
return WOLFSSL_SUCCESS;
#ifdef WOLFSSL_CERT_REQ
if (x509->isCSR) {
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s\n", indent, "",
"Requested extensions:")) >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
}
else
#endif
{
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s\n", indent, "",
"X509v3 extensions:")) >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
return WOLFSSL_FAILURE;
}
buf = (char*)XMALLOC(MAX_WIDTH-4-indent, x509->heap,
DYNAMIC_TYPE_TMP_BUFFER);
if (buf == NULL) {
return WOLFSSL_FAILURE;
}
for (i = 0; (i < count) && (ret != WOLFSSL_FAILURE); i++) {
WOLFSSL_X509_EXTENSION* ext;
ext = wolfSSL_X509_get_ext(x509, i);
if (ext != NULL) {
WOLFSSL_ASN1_OBJECT* obj;
int nid;
char val[6];
int valLen;
word32 j;
obj = wolfSSL_X509_EXTENSION_get_object(ext);
if (obj == NULL) {
ret = WOLFSSL_FAILURE;
break;
}
if (wolfSSL_OBJ_obj2txt(buf, MAX_WIDTH, obj, 0)
== WOLFSSL_FAILURE)
{
ret = WOLFSSL_FAILURE;
break;
}
if ((scratchLen = XSNPRINTF(
scratch, MAX_WIDTH, "%*s%s%s\n", indent + 4, "",
buf,
(wolfSSL_X509_EXTENSION_get_critical(ext)
? ": critical"
: ": ")))
>= MAX_WIDTH)
{
ret = WOLFSSL_FAILURE;
break;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
nid = wolfSSL_OBJ_obj2nid(obj);
switch (nid) {
case NID_subject_alt_name:
ret = X509PrintSubjAltName(bio, x509, indent + 8);
break;
case NID_subject_key_identifier:
if (!x509->subjKeyIdSet || x509->subjKeyId == NULL ||
x509->subjKeyIdSz == 0)
{
ret = WOLFSSL_FAILURE;
break;
}
if ((scratchLen = XSNPRINTF(
scratch, scratchSz,
"%*s", indent + 8, "")) >= scratchSz)
{
ret = WOLFSSL_FAILURE;
break;
}
for (j = 0; j < x509->subjKeyIdSz; j++) {
if ((valLen = XSNPRINTF(
val, sizeof(val), "%02X%s",
x509->subjKeyId[j],
(j < x509->subjKeyIdSz - 1) ? ":" : "\n"))
>= (int)sizeof(val))
{
ret = WOLFSSL_FAILURE;
break;
}
if (scratchLen + valLen >= scratchSz) {
if (wolfSSL_BIO_write(bio, scratch,
scratchLen) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
scratchLen = 0;
}
XMEMCPY(scratch + scratchLen, val, valLen);
scratchLen += valLen;
}
if (ret == WOLFSSL_FAILURE)
break;
if (wolfSSL_BIO_write(bio, scratch,
scratchLen) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
break;
case NID_authority_key_identifier:
if (!x509->authKeyIdSet || x509->authKeyId == NULL ||
x509->authKeyIdSz == 0) {
ret = WOLFSSL_FAILURE;
break;
}
if ((scratchLen = XSNPRINTF(
scratch, scratchSz, "%*s%s",
indent + 8, "", "keyid:")) >= scratchSz)
{
ret = WOLFSSL_FAILURE;
break;
}
for (j = 0; j < x509->authKeyIdSz; j++) {
if ((valLen = XSNPRINTF(
val, sizeof(val), "%02X%s",
x509->authKeyId[j],
(j < x509->authKeyIdSz - 1) ? ":" : "\n\n"))
>= (int)sizeof(val))
{
ret = WOLFSSL_FAILURE;
break;
}
if (scratchLen >= scratchSz - valLen) {
if (wolfSSL_BIO_write(bio, scratch,
scratchLen) <= 0)
{
ret = WOLFSSL_FAILURE;
break;
}
scratchLen = 0;
}
if (scratchLen + valLen >= scratchSz) {
ret = WOLFSSL_FAILURE;
break;
}
XMEMCPY(scratch + scratchLen, val, valLen);
scratchLen += valLen;
}
if (ret == WOLFSSL_FAILURE)
break;
if (wolfSSL_BIO_write(bio, scratch,
scratchLen) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
break;
case NID_basic_constraints:
if (!x509->basicConstSet) {
ret = WOLFSSL_FAILURE;
break;
}
if ((scratchLen = XSNPRINTF(
scratch, scratchSz,
"%*sCA:%s\n",
indent + 8, "", (x509->isCa)? "TRUE": "FALSE"))
>= scratchSz)
{
ret = WOLFSSL_FAILURE;
break;
}
if (wolfSSL_BIO_write(bio, scratch,
scratchLen) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
break;
case NID_key_usage:
ret = X509PrintKeyUsage(bio, x509, indent + 8);
break;
case NID_ext_key_usage:
ret = X509PrintExtendedKeyUsage(bio, x509, indent + 8);
break;
default:
/* extension nid not yet supported */
if ((scratchLen = XSNPRINTF(
scratch, MAX_WIDTH,
"%*sNID %d print not yet supported\n",
indent + 8, "", nid)) >= MAX_WIDTH)
{
ret = WOLFSSL_FAILURE;
break;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
ret = WOLFSSL_FAILURE;
break;
}
}
}
}
if (buf != NULL) {
XFREE(buf, x509->heap, DYNAMIC_TYPE_TMP_BUFFER);
}
return ret;
}
/* print out the signature in human readable format for use with
* wolfSSL_X509_print()
* return WOLFSSL_SUCCESS on success
*/
static int X509PrintSignature_ex(WOLFSSL_BIO* bio, byte* sig,
int sigSz, int sigNid, int algOnly, int indent)
{
char scratch[MAX_WIDTH];
int scratchLen;
WOLFSSL_ASN1_OBJECT* obj = NULL;
int ret = WOLFSSL_SUCCESS;
char tmp[100];
int tmpLen = 0;
if (sigSz <= 0) {
return WOLFSSL_SUCCESS;
}
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH, "%*s%s", indent, "",
"Signature Algorithm: ")) >= MAX_WIDTH) {
ret = WOLFSSL_FAILURE;
}
if (ret == WOLFSSL_SUCCESS) {
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0)
ret = WOLFSSL_FAILURE;
}
if (ret == WOLFSSL_SUCCESS) {
obj = wolfSSL_OBJ_nid2obj(sigNid);
if (obj == NULL)
ret = WOLFSSL_FAILURE;
}
if (ret == WOLFSSL_SUCCESS) {
if (wolfSSL_OBJ_obj2txt(scratch, MAX_WIDTH, obj, 0)
== WOLFSSL_FAILURE)
{
ret = WOLFSSL_FAILURE;
}
}
if (ret == WOLFSSL_SUCCESS) {
if ((tmpLen = XSNPRINTF(tmp, sizeof(tmp),"%s\n", scratch))
>= (int)sizeof(tmp))
{
ret = WOLFSSL_FAILURE;
}
}
if (ret == WOLFSSL_SUCCESS) {
if (wolfSSL_BIO_write(bio, tmp, tmpLen) <= 0)
ret = WOLFSSL_FAILURE;
}
/* Leave function if the desired content to print
* is only the signature algorithm */
if (algOnly) {
if (obj != NULL)
wolfSSL_ASN1_OBJECT_free(obj);
return ret;
}
if (ret == WOLFSSL_SUCCESS) {
if ((tmpLen = XSNPRINTF(tmp, sizeof(tmp), "%*s", indent + 5, ""))
>= (int)sizeof(tmp))
{
ret = WOLFSSL_FAILURE;
}
}
if (ret == WOLFSSL_SUCCESS) {
int i;
for (i = 0; i < sigSz; i++) {
char val[6];
int valLen;
if (i == 0) {
if ((valLen = XSNPRINTF(val, sizeof(val), "%02x", sig[i]))
>= (int)sizeof(val))
{
ret = WOLFSSL_FAILURE;
break;
}
}
else if (((i % 18) == 0)) {
if (wolfSSL_BIO_write(bio, tmp, tmpLen)
<= 0) {
ret = WOLFSSL_FAILURE;
break;
}
if ((tmpLen = XSNPRINTF(tmp, sizeof(tmp), ":\n%*s",
indent + 5, ""))
>= (int)sizeof(tmp))
{
ret = WOLFSSL_FAILURE;
break;
}
if ((valLen = XSNPRINTF(val, sizeof(val), "%02x", sig[i]))
>= (int)sizeof(val))
{
ret = WOLFSSL_FAILURE;
break;
}
}
else {
if ((valLen = XSNPRINTF(val, sizeof(val), ":%02x", sig[i]))
>= (int)sizeof(val))
{
ret = WOLFSSL_FAILURE;
break;
}
}
if ((tmpLen < 0) || (valLen < 0) ||
(valLen >= ((int)sizeof(tmp) - tmpLen - 1))) {
ret = WOLFSSL_FAILURE;
break;
}
XMEMCPY(tmp + tmpLen, val, valLen);
tmpLen += valLen;
tmp[tmpLen] = 0;
}
}
/* print out remaining sig values */
if (ret == WOLFSSL_SUCCESS) {
if (tmpLen > 0) {
if (wolfSSL_BIO_write(bio, tmp, tmpLen)
<= 0)
{
ret = WOLFSSL_FAILURE;
}
}
}
if (obj != NULL)
wolfSSL_ASN1_OBJECT_free(obj);
return ret;
}
static int X509PrintSignature(WOLFSSL_BIO* bio, WOLFSSL_X509* x509,
int algOnly, int indent)
{
int sigSz = 0;
if (wolfSSL_X509_get_signature(x509, NULL, &sigSz) <= 0) {
return WOLFSSL_FAILURE;
}
if (sigSz > 0) {
unsigned char* sig;
int sigNid;
sigNid = wolfSSL_X509_get_signature_nid(x509);
if (sigNid <= 0) {
return WOLFSSL_FAILURE;
}
sig = (unsigned char*)XMALLOC(sigSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (sig == NULL) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_X509_get_signature(x509, sig, &sigSz) <= 0) {
XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
if (X509PrintSignature_ex(bio, sig, sigSz, sigNid, algOnly, indent)
!= WOLFSSL_SUCCESS) {
XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
if (sig != NULL) {
XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
}
return WOLFSSL_SUCCESS;
}
/* print out the public key in human readable format for use with
* wolfSSL_X509_print()
* return WOLFSSL_SUCCESS on success
*/
static int X509PrintPubKey(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int indent)
{
char scratch[MAX_WIDTH];
WOLFSSL_EVP_PKEY* pubKey;
int len;
int ret = WOLFSSL_SUCCESS;
if (bio == NULL || x509 == NULL)
return BAD_FUNC_ARG;
len = XSNPRINTF(scratch, MAX_WIDTH, "%*sSubject Public Key Info:\n", indent, "");
if (len >= MAX_WIDTH)
return WOLFSSL_FAILURE;
if (wolfSSL_BIO_write(bio, scratch, len) <= 0)
return WOLFSSL_FAILURE;
switch (x509->pubKeyOID) {
#ifndef NO_RSA
case RSAk:
len = XSNPRINTF(scratch, MAX_WIDTH,
"%*sPublic Key Algorithm: rsaEncryption\n", indent + 4, "");
if (len >= MAX_WIDTH)
return WOLFSSL_FAILURE;
if (wolfSSL_BIO_write(bio, scratch, len) <= 0)
return WOLFSSL_FAILURE;
break;
#endif
#ifdef HAVE_ECC
case ECDSAk:
len = XSNPRINTF(scratch, MAX_WIDTH,
"%*sPublic Key Algorithm: EC\n", indent + 4, "");
if (len >= MAX_WIDTH)
return WOLFSSL_FAILURE;
if (wolfSSL_BIO_write(bio, scratch, len) <= 0)
return WOLFSSL_FAILURE;
break;
#endif
default:
WOLFSSL_MSG("Unknown key type");
return WOLFSSL_FAILURE;
}
pubKey = wolfSSL_X509_get_pubkey(x509);
if (pubKey == NULL)
return WOLFSSL_FAILURE;
ret = wolfSSL_EVP_PKEY_print_public(bio, pubKey, indent + 8, NULL);
wolfSSL_EVP_PKEY_free(pubKey);
return ret;
}
/* human readable print out of x509 name formatted for use with
* wolfSSL_X509_print()
* return WOLFSSL_SUCCESS on success
*/
static int X509PrintName(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name,
char* type, int indent)
{
if (name != NULL) {
char scratch[MAX_WIDTH];
int scratchLen;
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH,
"%*s%s", indent, "", type))
>= MAX_WIDTH)
{
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_X509_NAME_print_ex(bio, name, 1, 0) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "\n", (int)XSTRLEN("\n")) <= 0) {
return WOLFSSL_FAILURE;
}
}
return WOLFSSL_SUCCESS;
}
/* human readable print out of x509 version
* return WOLFSSL_SUCCESS on success
*/
static int X509PrintVersion(WOLFSSL_BIO* bio, int version, int indent)
{
char scratch[MAX_WIDTH];
int scratchLen;
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH,
"%*s%s", indent, "", "Version:"))
>= MAX_WIDTH)
{
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
return WOLFSSL_FAILURE;
}
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH,
" %d (0x%x)\n", version, (byte)version-1))
>= MAX_WIDTH)
{
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#ifdef WOLFSSL_CERT_REQ
/* Print out of REQ attributes
* return WOLFSSL_SUCCESS on success
*/
static int X509PrintReqAttributes(WOLFSSL_BIO* bio, WOLFSSL_X509* x509,
int indent)
{
WOLFSSL_X509_ATTRIBUTE* attr;
char scratch[MAX_WIDTH];
int scratchLen;
int i = 0;
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH,
"%*s%s", indent, "", "Attributes: \n"))
>= MAX_WIDTH)
{
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
return WOLFSSL_FAILURE;
}
do {
attr = wolfSSL_X509_REQ_get_attr(x509, i);
if (attr != NULL) {
char lName[NAME_SZ/4]; /* NAME_SZ default is 80 */
int lNameSz = NAME_SZ/4;
const byte* data;
if (wolfSSL_OBJ_obj2txt(lName, lNameSz, attr->object, 0)
== WOLFSSL_FAILURE)
{
return WOLFSSL_FAILURE;
}
lNameSz = (int)XSTRLEN(lName);
data = wolfSSL_ASN1_STRING_get0_data(
attr->value->value.asn1_string);
if (data == NULL) {
WOLFSSL_MSG("No REQ attribute found when expected");
return WOLFSSL_FAILURE;
}
if ((scratchLen = XSNPRINTF(scratch, MAX_WIDTH,
"%*s%s%*s:%s\n", indent+4, "",
lName, (NAME_SZ/4)-lNameSz, "", data))
>= MAX_WIDTH)
{
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, scratch, scratchLen) <= 0) {
WOLFSSL_MSG("Error writing REQ attribute");
return WOLFSSL_FAILURE;
}
}
i++;
} while (attr != NULL);
return WOLFSSL_SUCCESS;
}
/*
* return WOLFSSL_SUCCESS on success
*/
int wolfSSL_X509_REQ_print(WOLFSSL_BIO* bio, WOLFSSL_X509* x509)
{
char subjType[] = "Subject: ";
if (bio == NULL || x509 == NULL) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "Certificate Request:\n",
(int)XSTRLEN("Certificate Request:\n")) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, " Data:\n",
(int)XSTRLEN(" Data:\n")) <= 0) {
return WOLFSSL_FAILURE;
}
/* print version of cert */
if (X509PrintVersion(bio, wolfSSL_X509_version(x509), 8)
!= WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
if (X509PrintSerial(bio, x509, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print subject */
if (X509PrintName(bio, wolfSSL_X509_get_subject_name(x509), subjType, 8)
!= WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* get and print public key */
if (X509PrintPubKey(bio, x509, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print out extensions */
if (X509PrintExtensions(bio, x509, 4) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print out req attributes */
if (X509PrintReqAttributes(bio, x509, 4) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print out signature */
if (X509PrintSignature(bio, x509, 0, 4) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* done with print out */
if (wolfSSL_BIO_write(bio, "\n\0", (int)XSTRLEN("\n\0")) <= 0) {
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#endif /* WOLFSSL_CERT_REQ */
/* Writes the human readable form of x509 to bio.
*
* bio WOLFSSL_BIO to write to.
* x509 Certificate to write.
*
* returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on failure
*/
int wolfSSL_X509_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509* x509,
unsigned long nmflags, unsigned long cflag)
{
char issuType[] = "Issuer:";
char subjType[] = "Subject:";
WOLFSSL_ENTER("wolfSSL_X509_print_ex");
/* flags currently not supported */
(void)nmflags;
(void)cflag;
if (bio == NULL || x509 == NULL) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "Certificate:\n",
(int)XSTRLEN("Certificate:\n")) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, " Data:\n",
(int)XSTRLEN(" Data:\n")) <= 0) {
return WOLFSSL_FAILURE;
}
/* print version of cert */
if (X509PrintVersion(bio, wolfSSL_X509_version(x509), 8)
!= WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print serial number out */
if (X509PrintSerial(bio, x509, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print out signature algo*/
if (X509PrintSignature(bio, x509, 1, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print issuer */
if (X509PrintName(bio, wolfSSL_X509_get_issuer_name(x509), issuType, 8)
!= WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
#ifndef NO_ASN_TIME
/* print validity */
{
char tmp[80];
if (wolfSSL_BIO_write(bio, " Validity\n",
(int)XSTRLEN(" Validity\n")) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, " Not Before: ",
(int)XSTRLEN(" Not Before: ")) <= 0) {
return WOLFSSL_FAILURE;
}
if (x509->notBefore.length > 0) {
if (GetTimeString(x509->notBefore.data, ASN_UTC_TIME,
tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) {
if (GetTimeString(x509->notBefore.data, ASN_GENERALIZED_TIME,
tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error getting not before date");
return WOLFSSL_FAILURE;
}
}
}
else {
XSTRNCPY(tmp, "Not Set", sizeof(tmp)-1);
}
tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "\n Not After : ",
(int)XSTRLEN("\n Not After : ")) <= 0) {
return WOLFSSL_FAILURE;
}
if (x509->notAfter.length > 0) {
if (GetTimeString(x509->notAfter.data, ASN_UTC_TIME,
tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) {
if (GetTimeString(x509->notAfter.data, ASN_GENERALIZED_TIME,
tmp, sizeof(tmp)) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error getting not after date");
return WOLFSSL_FAILURE;
}
}
}
else {
XSTRNCPY(tmp, "Not Set", sizeof(tmp)-1);
}
tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "\n\0", (int)XSTRLEN("\n\0")) <= 0) {
return WOLFSSL_FAILURE;
}
}
#endif
/* print subject */
if (X509PrintName(bio, wolfSSL_X509_get_subject_name(x509), subjType, 8)
!= WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* get and print public key */
if (X509PrintPubKey(bio, x509, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print out extensions */
if (X509PrintExtensions(bio, x509, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print out signature */
if (X509PrintSignature(bio, x509, 0, 4) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* done with print out */
if (wolfSSL_BIO_write(bio, "\n\0", (int)XSTRLEN("\n\0")) <= 0) {
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_print(WOLFSSL_BIO* bio, WOLFSSL_X509* x509)
{
return wolfSSL_X509_print_ex(bio, x509, 0, 0);
}
#ifndef NO_FILESYSTEM
int wolfSSL_X509_print_fp(XFILE fp, WOLFSSL_X509 *x509)
{
WOLFSSL_BIO* bio;
int ret;
WOLFSSL_ENTER("wolfSSL_X509_print_fp");
if (!fp || !x509) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FAILURE;
}
if (!(bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file()))) {
WOLFSSL_MSG("wolfSSL_BIO_new wolfSSL_BIO_s_file error");
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_set_fp(bio, fp, BIO_NOCLOSE) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_BIO_set_fp error");
wolfSSL_BIO_free(bio);
return WOLFSSL_FAILURE;
}
ret = wolfSSL_X509_print(bio, x509);
wolfSSL_BIO_free(bio);
return ret;
}
#endif /* NO_FILESYSTEM */
#endif /* XSNPRINTF */
int wolfSSL_X509_signature_print(WOLFSSL_BIO *bp,
const WOLFSSL_X509_ALGOR *sigalg, const WOLFSSL_ASN1_STRING *sig)
{
int length = 0;
word32 idx = 0;
int i;
(void)sig;
WOLFSSL_ENTER("wolfSSL_X509_signature_print");
if (!bp || !sigalg) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FAILURE;
}
if ((sigalg->algorithm->obj == NULL) ||
(sigalg->algorithm->obj[idx] != ASN_OBJECT_ID)) {
WOLFSSL_MSG("Bad ASN1 Object");
return WOLFSSL_FAILURE;
}
idx++; /* skip object id */
if (GetLength((const byte*)sigalg->algorithm->obj, &idx, &length,
sigalg->algorithm->objSz) < 0 || length < 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_puts(bp, " Raw Signature Algorithm:") <= 0) {
WOLFSSL_MSG("wolfSSL_BIO_puts error");
return WOLFSSL_FAILURE;
}
for (i = 0; i < length; ++i) {
char hex_digits[4];
#ifdef XSNPRINTF
if (XSNPRINTF(hex_digits, sizeof(hex_digits), "%c%02X", i>0 ? ':' : ' ',
(unsigned int)sigalg->algorithm->obj[idx+i])
>= (int)sizeof(hex_digits))
{
WOLFSSL_MSG("buffer overrun");
return WOLFSSL_FAILURE;
}
#else
XSPRINTF(hex_digits, "%c%02X", i>0 ? ':' : ' ',
(unsigned int)sigalg->algorithm->obj[idx+i]);
#endif
if (wolfSSL_BIO_puts(bp, hex_digits) <= 0)
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_puts(bp, "\n") <= 0)
return WOLFSSL_FAILURE;
return WOLFSSL_SUCCESS;
}
#endif /* !NO_BIO */
#ifndef NO_WOLFSSL_STUB
void wolfSSL_X509_get0_signature(const WOLFSSL_ASN1_BIT_STRING **psig,
const WOLFSSL_X509_ALGOR **palg, const WOLFSSL_X509 *x509)
{
(void)psig;
(void)palg;
(void)x509;
WOLFSSL_STUB("wolfSSL_X509_get0_signature");
}
#endif
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
const char* wolfSSL_X509_verify_cert_error_string(long err)
{
return wolfSSL_ERR_reason_error_string(err);
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#ifdef OPENSSL_EXTRA
/* Add directory path that will be used for loading certs and CRLs
* which have the <hash>.rn name format.
* type may be WOLFSSL_FILETYPE_PEM or WOLFSSL_FILETYPE_ASN1.
* returns WOLFSSL_SUCCESS on successful, otherwise negative or zero. */
int wolfSSL_X509_LOOKUP_add_dir(WOLFSSL_X509_LOOKUP* lookup, const char* dir,
long type)
{
return wolfSSL_X509_LOOKUP_ctrl(lookup, WOLFSSL_X509_L_ADD_DIR, dir, type,
NULL);
}
int wolfSSL_X509_LOOKUP_load_file(WOLFSSL_X509_LOOKUP* lookup,
const char* file, long type)
{
#if !defined(NO_FILESYSTEM) && \
(defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM))
int ret = WOLFSSL_FAILURE;
XFILE fp;
long sz;
byte* pem = NULL;
byte* curr = NULL;
byte* prev = NULL;
WOLFSSL_X509* x509;
const char* header = NULL;
const char* footer = NULL;
if (type != WOLFSSL_FILETYPE_PEM)
return WS_RETURN_CODE(BAD_FUNC_ARG, (int)WOLFSSL_FAILURE);
fp = XFOPEN(file, "rb");
if (fp == XBADFILE)
return WS_RETURN_CODE(BAD_FUNC_ARG, (int)WOLFSSL_FAILURE);
if(XFSEEK(fp, 0, XSEEK_END) != 0) {
XFCLOSE(fp);
return WS_RETURN_CODE(WOLFSSL_BAD_FILE,WOLFSSL_FAILURE);
}
sz = XFTELL(fp);
if(XFSEEK(fp, 0, XSEEK_SET) != 0) {
XFCLOSE(fp);
return WS_RETURN_CODE(WOLFSSL_BAD_FILE,WOLFSSL_FAILURE);
}
if (sz > MAX_WOLFSSL_FILE_SIZE || sz <= 0) {
WOLFSSL_MSG("X509_LOOKUP_load_file size error");
goto end;
}
pem = (byte*)XMALLOC(sz, 0, DYNAMIC_TYPE_PEM);
if (pem == NULL) {
ret = MEMORY_ERROR;
goto end;
}
/* Read in file which may be CRLs or certificates. */
if (XFREAD(pem, (size_t)sz, 1, fp) != 1)
goto end;
prev = curr = pem;
do {
/* get PEM header and footer based on type */
if (wc_PemGetHeaderFooter(CRL_TYPE, &header, &footer) == 0 &&
XSTRNSTR((char*)curr, header, (unsigned int)sz) != NULL) {
#ifdef HAVE_CRL
WOLFSSL_CERT_MANAGER* cm = lookup->store->cm;
if (cm->crl == NULL) {
if (wolfSSL_CertManagerEnableCRL(cm, WOLFSSL_CRL_CHECK)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Enable CRL failed");
goto end;
}
}
ret = BufferLoadCRL(cm->crl, curr, sz, WOLFSSL_FILETYPE_PEM,
NO_VERIFY);
if (ret != WOLFSSL_SUCCESS)
goto end;
#endif
curr = (byte*)XSTRNSTR((char*)curr, footer, (unsigned int)sz);
}
else if (wc_PemGetHeaderFooter(CERT_TYPE, &header, &footer) == 0 &&
XSTRNSTR((char*)curr, header, (unsigned int)sz) != NULL) {
x509 = wolfSSL_X509_load_certificate_buffer(curr, (int)sz,
WOLFSSL_FILETYPE_PEM);
if (x509 == NULL)
goto end;
ret = wolfSSL_X509_STORE_add_cert(lookup->store, x509);
wolfSSL_X509_free(x509);
if (ret != WOLFSSL_SUCCESS)
goto end;
curr = (byte*)XSTRNSTR((char*)curr, footer, (unsigned int)sz);
}
else
goto end;
if (curr == NULL)
goto end;
curr++;
sz -= (long)(curr - prev);
prev = curr;
}
while (ret == WOLFSSL_SUCCESS);
end:
if (pem != NULL)
XFREE(pem, 0, DYNAMIC_TYPE_PEM);
XFCLOSE(fp);
return WS_RETURN_CODE(ret, (int)WOLFSSL_FAILURE);
#else
(void)lookup;
(void)file;
(void)type;
return WS_RETURN_CODE(WOLFSSL_FAILURE,WOLFSSL_FAILURE);
#endif
}
WOLFSSL_X509_LOOKUP_METHOD* wolfSSL_X509_LOOKUP_hash_dir(void)
{
/* Method implementation in functions. */
static WOLFSSL_X509_LOOKUP_METHOD meth = { 1 };
return &meth;
}
WOLFSSL_X509_LOOKUP_METHOD* wolfSSL_X509_LOOKUP_file(void)
{
/* Method implementation in functions. */
static WOLFSSL_X509_LOOKUP_METHOD meth = { 0 };
return &meth;
}
/* set directory path to load certificate or CRL which have the hash.N form */
/* for late use */
/* @param ctx a pointer to WOLFSSL_BY_DIR structure */
/* @param argc directory path */
/* @param argl file type, either WOLFSSL_FILETYPE_PEM or */
/* WOLFSSL_FILETYPE_ASN1 */
/* @return WOLFSSL_SUCCESS on successful, otherwise negative or zero */
static int x509AddCertDir(WOLFSSL_BY_DIR *ctx, const char *argc, long argl)
{
#if defined(OPENSSL_ALL) && !defined(NO_FILESYSTEM) && !defined(NO_WOLFSSL_DIR)
WOLFSSL_BY_DIR_entry *entry;
size_t pathLen;
int i, num;
const char* c;
#ifdef WOLFSSL_SMALL_STACK
char *buf;
#else
char buf[MAX_FILENAME_SZ];
#endif
WOLFSSL_ENTER("x509AddCertDir");
pathLen = 0;
c = argc;
/* sanity check, zero length */
if (ctx == NULL || c == NULL || *c == '\0')
return WOLFSSL_FAILURE;
#ifdef WOLFSSL_SMALL_STACK
buf = (char*)XMALLOC(MAX_FILENAME_SZ, NULL, DYNAMIC_TYPE_OPENSSL);
if (buf == NULL) {
WOLFSSL_LEAVE("x509AddCertDir", MEMORY_E);
return MEMORY_E;
}
#endif
XMEMSET(buf, 0, MAX_FILENAME_SZ);
do {
if (*c == SEPARATOR_CHAR || *c == '\0') {
num = wolfSSL_sk_BY_DIR_entry_num(ctx->dir_entry);
for (i=0; i<num; i++) {
entry = wolfSSL_sk_BY_DIR_entry_value(ctx->dir_entry, i);
if (XSTRLEN(entry->dir_name) == pathLen &&
XSTRNCMP(entry->dir_name, buf, pathLen) == 0) {
WOLFSSL_MSG("dir entry found");
break;
}
}
if (num == -1 || i == num) {
WOLFSSL_MSG("no entry found");
if (ctx->dir_entry == NULL) {
ctx->dir_entry = wolfSSL_sk_BY_DIR_entry_new_null();
if (ctx->dir_entry == NULL) {
WOLFSSL_MSG("failed to allocate dir_entry");
#ifdef WOLFSSL_SMALL_STACK
XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL);
#endif
return 0;
}
}
entry = wolfSSL_BY_DIR_entry_new();
if (entry == NULL) {
WOLFSSL_MSG("failed to allocate dir entry");
#ifdef WOLFSSL_SMALL_STACK
XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL);
#endif
return 0;
}
entry->dir_type = (int)argl;
entry->dir_name = (char*)XMALLOC(pathLen + 1/* \0 termination*/
, NULL, DYNAMIC_TYPE_OPENSSL);
entry->hashes = wolfSSL_sk_BY_DIR_HASH_new_null();
if (entry->dir_name == NULL || entry->hashes == NULL) {
WOLFSSL_MSG("failed to allocate dir name");
wolfSSL_BY_DIR_entry_free(entry);
#ifdef WOLFSSL_SMALL_STACK
XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL);
#endif
return 0;
}
XSTRNCPY(entry->dir_name, buf, pathLen);
entry->dir_name[pathLen] = '\0';
if (wolfSSL_sk_BY_DIR_entry_push(ctx->dir_entry, entry)
!= WOLFSSL_SUCCESS) {
wolfSSL_BY_DIR_entry_free(entry);
#ifdef WOLFSSL_SMALL_STACK
XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL);
#endif
return 0;
}
}
/* skip separator */
if (*c == SEPARATOR_CHAR) c++;
pathLen = 0;
XMEMSET(buf, 0, MAX_FILENAME_SZ);
}
buf[pathLen++] = *c;
} while(*c++ != '\0');
#ifdef WOLFSSL_SMALL_STACK
XFREE(buf, 0, DYNAMIC_TYPE_OPENSSL);
#endif
return WOLFSSL_SUCCESS;
#else
(void)ctx;
(void)argc;
(void)argl;
return WOLFSSL_NOT_IMPLEMENTED;
#endif
}
/* set additional data to X509_LOOKUP */
/* @param ctx a pointer to X509_LOOKUP structure */
/* @param cmd control command : */
/* X509_L_FILE_LOAD, X509_L_ADD_DIR X509_L_ADD_STORE or */
/* X509_L_LOAD_STORE */
/* @param argc arguments for the control command */
/* @param argl arguments for the control command */
/* @param **ret return value of the control command */
/* @return WOLFSSL_SUCCESS on successful, otherwise WOLFSSL_FAILURE */
/* note: WOLFSSL_X509_L_ADD_STORE and WOLFSSL_X509_L_LOAD_STORE have not*/
/* yet implemented. It returns WOLFSSL_NOT_IMPLEMENTED */
/* when those control commands are passed. */
int wolfSSL_X509_LOOKUP_ctrl(WOLFSSL_X509_LOOKUP *ctx, int cmd,
const char *argc, long argl, char **ret)
{
int lret = WOLFSSL_FAILURE;
WOLFSSL_ENTER("wolfSSL_X509_LOOKUP_ctrl");
#if !defined(NO_FILESYSTEM)
if (ctx != NULL) {
switch (cmd) {
case WOLFSSL_X509_L_FILE_LOAD:
/* expects to return a number of processed cert or crl file */
lret = wolfSSL_X509_load_cert_crl_file(ctx, argc, (int)argl) > 0 ?
WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
break;
case WOLFSSL_X509_L_ADD_DIR:
/* store directory location to use it later */
#if !defined(NO_WOLFSSL_DIR)
lret = x509AddCertDir(ctx->dirs, argc, argl);
#else
(void)x509AddCertDir;
lret = WOLFSSL_NOT_IMPLEMENTED;
#endif
break;
case WOLFSSL_X509_L_ADD_STORE:
case WOLFSSL_X509_L_LOAD_STORE:
return WOLFSSL_NOT_IMPLEMENTED;
default:
break;
}
}
(void)ret;
#else
(void)ctx;
(void)argc;
(void)argl;
(void)ret;
(void)cmd;
(void)x509AddCertDir;
lret = WOLFSSL_NOT_IMPLEMENTED;
#endif
return lret;
}
#if defined(WOLFSSL_CERT_GEN)
static int wolfssl_x509_make_der(WOLFSSL_X509* x509, int req,
unsigned char* der, int* derSz, int includeSig);
#endif
#ifdef WOLFSSL_CERT_GEN
#ifndef NO_BIO
/* Converts the X509 to DER format and outputs it into bio.
*
* bio is the structure to hold output DER
* x509 certificate to create DER from
* req if set then a CSR is generated
*
* returns WOLFSSL_SUCCESS on success
*/
static int loadX509orX509REQFromBio(WOLFSSL_BIO* bio, WOLFSSL_X509* x509, int req)
{
int ret = WOLFSSL_FAILURE;
/* Get large buffer to hold cert der */
int derSz = X509_BUFFER_SZ;
#ifdef WOLFSSL_SMALL_STACK
byte* der;
#else
byte der[X509_BUFFER_SZ];
#endif
WOLFSSL_ENTER("wolfSSL_i2d_X509_bio");
if (bio == NULL || x509 == NULL) {
return WOLFSSL_FAILURE;
}
#ifdef WOLFSSL_SMALL_STACK
der = (byte*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (!der) {
WOLFSSL_MSG("malloc failed");
return WOLFSSL_FAILURE;
}
#endif
if (wolfssl_x509_make_der(x509, req, der, &derSz, 1) != WOLFSSL_SUCCESS) {
goto cleanup;
}
if (wolfSSL_BIO_write(bio, der, derSz) != derSz) {
goto cleanup;
}
ret = WOLFSSL_SUCCESS;
cleanup:
#ifdef WOLFSSL_SMALL_STACK
XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return ret;
}
/* Converts the X509 to DER format and outputs it into bio.
*
* bio is the structure to hold output DER
* x509 certificate to create DER from
*
* returns WOLFSSL_SUCCESS on success
*/
int wolfSSL_i2d_X509_bio(WOLFSSL_BIO* bio, WOLFSSL_X509* x509)
{
return loadX509orX509REQFromBio(bio, x509, 0);
}
#ifdef WOLFSSL_CERT_REQ
int wolfSSL_i2d_X509_REQ_bio(WOLFSSL_BIO* bio, WOLFSSL_X509* x509)
{
return loadX509orX509REQFromBio(bio, x509, 1);
}
#endif /* WOLFSSL_CERT_REQ */
#endif /* !NO_BIO */
#endif /* WOLFSSL_CERT_GEN */
/* Converts an internal structure to a DER buffer
*
* x509 structure to get DER buffer from
* out buffer to hold result. If NULL then *out is NULL then a new buffer is
* created.
*
* returns the size of the DER result on success
*/
int wolfSSL_i2d_X509(WOLFSSL_X509* x509, unsigned char** out)
{
const unsigned char* der;
int derSz = 0;
int advance = 1;
WOLFSSL_ENTER("wolfSSL_i2d_X509");
if (x509 == NULL) {
WOLFSSL_LEAVE("wolfSSL_i2d_X509", BAD_FUNC_ARG);
return BAD_FUNC_ARG;
}
der = wolfSSL_X509_get_der(x509, &derSz);
if (der == NULL) {
WOLFSSL_LEAVE("wolfSSL_i2d_X509", MEMORY_E);
return MEMORY_E;
}
if (out != NULL && *out == NULL) {
*out = (unsigned char*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_OPENSSL);
if (*out == NULL) {
WOLFSSL_LEAVE("wolfSSL_i2d_X509", MEMORY_E);
return MEMORY_E;
}
advance = 0;
}
if (out != NULL) {
XMEMCPY(*out, der, derSz);
if (advance)
*out += derSz;
}
WOLFSSL_LEAVE("wolfSSL_i2d_X509", derSz);
return derSz;
}
#ifndef NO_BIO
/**
* Converts the DER from bio and creates a WOLFSSL_X509 structure from it.
* @param bio is the structure holding DER
* @param x509 certificate to create from DER. Can be NULL
* @param req 1 for a CSR and 0 for a x509 cert
* @return pointer to WOLFSSL_X509 structure on success and NULL on fail
*/
static WOLFSSL_X509* d2i_X509orX509REQ_bio(WOLFSSL_BIO* bio,
WOLFSSL_X509** x509, int req)
{
WOLFSSL_X509* localX509 = NULL;
byte* mem = NULL;
int size;
WOLFSSL_ENTER("wolfSSL_d2i_X509_bio");
if (bio == NULL) {
WOLFSSL_MSG("Bad Function Argument bio is NULL");
return NULL;
}
size = wolfSSL_BIO_get_len(bio);
if (size <= 0) {
WOLFSSL_MSG("wolfSSL_BIO_get_len error. Possibly no pending data.");
WOLFSSL_ERROR(ASN1_R_HEADER_TOO_LONG);
return NULL;
}
if (!(mem = (byte*)XMALLOC(size, NULL, DYNAMIC_TYPE_OPENSSL))) {
WOLFSSL_MSG("malloc error");
return NULL;
}
if ((size = wolfSSL_BIO_read(bio, mem, size)) == 0) {
WOLFSSL_MSG("wolfSSL_BIO_read error");
XFREE(mem, NULL, DYNAMIC_TYPE_OPENSSL);
return NULL;
}
if (req) {
#ifdef WOLFSSL_CERT_REQ
localX509 = wolfSSL_X509_REQ_d2i(NULL, mem, size);
#else
WOLFSSL_MSG("CSR not compiled in");
#endif
}
else {
localX509 = wolfSSL_X509_d2i(NULL, mem, size);
}
if (localX509 == NULL) {
WOLFSSL_MSG("wolfSSL_X509_d2i error");
XFREE(mem, NULL, DYNAMIC_TYPE_OPENSSL);
return NULL;
}
if (x509 != NULL) {
*x509 = localX509;
}
XFREE(mem, NULL, DYNAMIC_TYPE_OPENSSL);
return localX509;
}
WOLFSSL_X509* wolfSSL_d2i_X509_bio(WOLFSSL_BIO* bio, WOLFSSL_X509** x509)
{
return d2i_X509orX509REQ_bio(bio, x509, 0);
}
#ifdef WOLFSSL_CERT_REQ
WOLFSSL_X509* wolfSSL_d2i_X509_REQ_bio(WOLFSSL_BIO* bio, WOLFSSL_X509** x509)
{
return d2i_X509orX509REQ_bio(bio, x509, 1);
}
#endif
#endif /* !NO_BIO */
#endif /* OPENSSL_EXTRA */
#ifdef OPENSSL_EXTRA
/* Use the public key to verify the signature. Note: this only verifies
* the certificate signature.
* returns WOLFSSL_SUCCESS on successful signature verification */
static int verifyX509orX509REQ(WOLFSSL_X509* x509, WOLFSSL_EVP_PKEY* pkey, int req)
{
int ret;
const byte* der;
int derSz = 0;
int type;
(void)req;
if (x509 == NULL || pkey == NULL) {
return WOLFSSL_FATAL_ERROR;
}
der = wolfSSL_X509_get_der(x509, &derSz);
if (der == NULL) {
WOLFSSL_MSG("Error getting WOLFSSL_X509 DER");
return WOLFSSL_FATAL_ERROR;
}
switch (pkey->type) {
case EVP_PKEY_RSA:
type = RSAk;
break;
case EVP_PKEY_EC:
type = ECDSAk;
break;
case EVP_PKEY_DSA:
type = DSAk;
break;
default:
WOLFSSL_MSG("Unknown pkey key type");
return WOLFSSL_FATAL_ERROR;
}
#ifdef WOLFSSL_CERT_REQ
if (req)
ret = CheckCSRSignaturePubKey(der, derSz, x509->heap,
(unsigned char*)pkey->pkey.ptr, pkey->pkey_sz, type);
else
#endif
ret = CheckCertSignaturePubKey(der, derSz, x509->heap,
(unsigned char*)pkey->pkey.ptr, pkey->pkey_sz, type);
if (ret == 0) {
return WOLFSSL_SUCCESS;
}
return WOLFSSL_FAILURE;
}
int wolfSSL_X509_verify(WOLFSSL_X509* x509, WOLFSSL_EVP_PKEY* pkey)
{
return verifyX509orX509REQ(x509, pkey, 0);
}
#ifdef WOLFSSL_CERT_REQ
int wolfSSL_X509_REQ_verify(WOLFSSL_X509* x509, WOLFSSL_EVP_PKEY* pkey)
{
return verifyX509orX509REQ(x509, pkey, 1);
}
#endif /* WOLFSSL_CERT_REQ */
#if !defined(NO_FILESYSTEM)
static void *wolfSSL_d2i_X509_fp_ex(XFILE file, void **x509, int type)
{
void *newx509 = NULL;
byte *fileBuffer = NULL;
long sz = 0;
/* init variable */
if (x509)
*x509 = NULL;
/* argument check */
if (file == XBADFILE) {
return NULL;
}
/* determine file size */
if (XFSEEK(file, 0, XSEEK_END) != 0) {
return NULL;
}
sz = XFTELL(file);
if (XFSEEK(file, 0, XSEEK_SET) != 0) {
return NULL;
}
if (sz > MAX_WOLFSSL_FILE_SIZE || sz <= 0) {
WOLFSSL_MSG("d2i_X509_fp_ex file size error");
return NULL;
}
fileBuffer = (byte *)XMALLOC(sz, NULL, DYNAMIC_TYPE_FILE);
if (fileBuffer != NULL) {
if ((long)XFREAD(fileBuffer, 1, sz, file) != sz) {
WOLFSSL_MSG("File read failed");
goto err_exit;
}
if (type == CERT_TYPE) {
newx509 = (void *)wolfSSL_X509_d2i(NULL, fileBuffer, (int)sz);
}
#ifdef HAVE_CRL
else if (type == CRL_TYPE) {
newx509 = (void *)wolfSSL_d2i_X509_CRL(NULL, fileBuffer, (int)sz);
}
#endif
#ifdef WOLFSSL_CERT_REQ
else if (type == CERTREQ_TYPE) {
newx509 = (void *)wolfSSL_X509_REQ_d2i(NULL, fileBuffer, (int)sz);
}
#endif
#if !defined(NO_ASN) && !defined(NO_PWDBASED) && defined(HAVE_PKCS12)
else if (type == PKCS12_TYPE) {
if ((newx509 = wc_PKCS12_new()) == NULL) {
goto err_exit;
}
if (wc_d2i_PKCS12(fileBuffer, (int)sz, (WC_PKCS12*)newx509) < 0) {
goto err_exit;
}
}
#endif
else {
goto err_exit;
}
if (newx509 == NULL) {
WOLFSSL_MSG("X509 failed");
goto err_exit;
}
}
if (x509)
*x509 = newx509;
goto _exit;
err_exit:
#if !defined(NO_ASN) && !defined(NO_PWDBASED) && defined(HAVE_PKCS12)
if ((newx509 != NULL) && (type == PKCS12_TYPE)) {
wc_PKCS12_free((WC_PKCS12*)newx509);
newx509 = NULL;
}
#endif
_exit:
if (fileBuffer != NULL)
XFREE(fileBuffer, NULL, DYNAMIC_TYPE_FILE);
return newx509;
}
#ifdef WOLFSSL_CERT_REQ
WOLFSSL_X509* wolfSSL_d2i_X509_REQ_fp(XFILE fp, WOLFSSL_X509 **req)
{
return (WOLFSSL_X509 *)wolfSSL_d2i_X509_fp_ex(fp, (void **)req,
CERTREQ_TYPE);
}
#endif /* WOLFSSL_CERT_REQ */
WOLFSSL_X509 *wolfSSL_d2i_X509_fp(XFILE fp, WOLFSSL_X509 **x509)
{
WOLFSSL_ENTER("wolfSSL_d2i_X509_fp");
return (WOLFSSL_X509 *)wolfSSL_d2i_X509_fp_ex(fp, (void **)x509, CERT_TYPE);
}
/* load certificate or CRL file, and add it to the STORE */
/* @param ctx a pointer to X509_LOOKUP structure */
/* @param file file name to load */
/* @param type WOLFSSL_FILETYPE_PEM or WOLFSSL_FILETYPE_ASN1 */
/* @return a number of loading CRL or certificate, otherwise zero */
WOLFSSL_API int wolfSSL_X509_load_cert_crl_file(WOLFSSL_X509_LOOKUP *ctx,
const char *file, int type)
{
WOLFSSL_X509 *x509 = NULL;
int cnt = 0;
WOLFSSL_ENTER("wolfSSL_X509_load_cert_crl_file");
/* stanity check */
if (ctx == NULL || file == NULL) {
WOLFSSL_MSG("bad arguments");
return 0;
}
if (type != WOLFSSL_FILETYPE_PEM) {
x509 = wolfSSL_X509_load_certificate_file(file, type);
if (x509 != NULL) {
if (wolfSSL_X509_STORE_add_cert(ctx->store, x509)
== WOLFSSL_SUCCESS) {
cnt++;
} else {
WOLFSSL_MSG("wolfSSL_X509_STORE_add_cert error");
}
wolfSSL_X509_free(x509);
x509 = NULL;
} else {
WOLFSSL_MSG("wolfSSL_X509_load_certificate_file error");
}
} else {
#if defined(OPENSSL_ALL)
#if !defined(NO_BIO)
STACK_OF(WOLFSSL_X509_INFO) *info;
WOLFSSL_X509_INFO *info_tmp;
int i;
int num = 0;
WOLFSSL_BIO *bio = wolfSSL_BIO_new_file(file, "rb");
if(!bio) {
WOLFSSL_MSG("wolfSSL_BIO_new error");
return cnt;
}
info = wolfSSL_PEM_X509_INFO_read_bio(bio, NULL, NULL, NULL);
wolfSSL_BIO_free(bio);
if (!info) {
WOLFSSL_MSG("wolfSSL_PEM_X509_INFO_read_bio error");
return cnt;
}
num = wolfSSL_sk_X509_INFO_num(info);
for (i=0; i < num; i++) {
info_tmp = wolfSSL_sk_X509_INFO_value(info, i);
if (info_tmp->x509) {
if(wolfSSL_X509_STORE_add_cert(ctx->store, info_tmp->x509) ==
WOLFSSL_SUCCESS) {
cnt ++;
} else {
WOLFSSL_MSG("wolfSSL_X509_STORE_add_cert failed");
}
}
#ifdef HAVE_CRL
if (info_tmp->crl) {
if(wolfSSL_X509_STORE_add_crl(ctx->store, info_tmp->crl) ==
WOLFSSL_SUCCESS) {
cnt ++;
} else {
WOLFSSL_MSG("wolfSSL_X509_STORE_add_crl failed");
}
}
#endif
}
wolfSSL_sk_X509_INFO_pop_free(info, wolfSSL_X509_INFO_free);
#elif defined(HAVE_CRL)
/* Only supports one certificate or CRL in the file. */
WOLFSSL_X509_CRL* crl = NULL;
XFILE fp = XFOPEN(file, "rb");
if (fp == XBADFILE) {
WOLFSSL_MSG("XFOPEN error");
return cnt;
}
x509 = wolfSSL_PEM_read_X509(fp, NULL, NULL, NULL);
if (x509 != NULL) {
if (wolfSSL_X509_STORE_add_cert(ctx->store, x509) ==
WOLFSSL_SUCCESS) {
cnt++;
}
else {
WOLFSSL_MSG("wolfSSL_X509_STORE_add_cert failed");
}
}
else {
if (XFSEEK(fp, 0, XSEEK_SET) != 0) {
WOLFSSL_MSG("XFSEEK error");
return cnt;
}
crl = wolfSSL_PEM_read_X509_CRL(fp, NULL, NULL, NULL);
if (crl != NULL) {
if (wolfSSL_X509_STORE_add_crl(ctx->store, crl) ==
WOLFSSL_SUCCESS) {
cnt++;
}
else {
WOLFSSL_MSG("wolfSSL_X509_STORE_add_crl failed");
}
}
else {
WOLFSSL_MSG("Certificate and CRL not recognized");
return cnt;
}
}
wolfSSL_X509_free(x509);
wolfSSL_X509_CRL_free(crl);
#endif
#else
(void)cnt;
#endif /* OPENSSL_ALL && !NO_BIO */
}
WOLFSSL_LEAVE("wolfSSL_X509_load_ceretificate_crl_file", cnt);
return cnt;
}
#endif /* !NO_FILESYSTEM */
#ifdef HAVE_CRL
#ifndef NO_BIO
WOLFSSL_API WOLFSSL_X509_CRL *wolfSSL_d2i_X509_CRL_bio(WOLFSSL_BIO *bp,
WOLFSSL_X509_CRL **x)
{
int derSz;
byte* der = NULL;
WOLFSSL_X509_CRL* crl = NULL;
if (bp == NULL)
return NULL;
if ((derSz = wolfSSL_BIO_get_len(bp)) > 0) {
der = (byte*)XMALLOC(derSz, 0, DYNAMIC_TYPE_DER);
if (der != NULL) {
if (wolfSSL_BIO_read(bp, der, derSz) == derSz) {
crl = wolfSSL_d2i_X509_CRL(x, der, derSz);
}
}
}
if (der != NULL) {
XFREE(der, 0, DYNAMIC_TYPE_DER);
}
return crl;
}
#endif
#ifndef NO_FILESYSTEM
WOLFSSL_X509_CRL *wolfSSL_d2i_X509_CRL_fp(XFILE fp, WOLFSSL_X509_CRL **crl)
{
WOLFSSL_ENTER("wolfSSL_d2i_X509_CRL_fp");
return (WOLFSSL_X509_CRL *)wolfSSL_d2i_X509_fp_ex(fp, (void **)crl, CRL_TYPE);
}
/* Read CRL file, and add it to store and corresponding cert manager */
/* @param ctx a pointer of X509_LOOKUP back to the X509_STORE */
/* @param file a file to read */
/* @param type WOLFSSL_FILETYPE_PEM or WOLFSSL_FILETYPE_ASN1 */
/* @return WOLFSSL_SUCCESS(1) on successful, otherwise WOLFSSL_FAILURE(0)*/
WOLFSSL_API int wolfSSL_X509_load_crl_file(WOLFSSL_X509_LOOKUP *ctx,
const char *file, int type)
{
#ifndef NO_BIO
int ret = WOLFSSL_FAILURE;
int count = 0;
WOLFSSL_BIO *bio = NULL;
WOLFSSL_X509_CRL *crl = NULL;
WOLFSSL_ENTER("wolfSSL_X509_load_crl_file");
if (ctx == NULL || file == NULL)
return ret;
if ((bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file())) == NULL)
return ret;
if (wolfSSL_BIO_read_filename(bio, file) <= 0) {
wolfSSL_BIO_free(bio);
return ret;
}
if (wolfSSL_BIO_read_filename(bio, file) <= 0) {
wolfSSL_BIO_free(bio);
return ret;
}
if (type == WOLFSSL_FILETYPE_PEM) {
do {
crl = wolfSSL_PEM_read_bio_X509_CRL(bio, NULL, NULL, NULL);
if (crl == NULL) {
if (count <= 0) {
WOLFSSL_MSG("Load crl failed");
}
break;
}
ret = wolfSSL_X509_STORE_add_crl(ctx->store, crl);
if (ret == WOLFSSL_FAILURE) {
WOLFSSL_MSG("Adding crl failed");
break;
}
count++;
wolfSSL_X509_CRL_free(crl);
crl = NULL;
} while(crl == NULL);
ret = count;
}
else if (type == WOLFSSL_FILETYPE_ASN1) {
crl = wolfSSL_d2i_X509_CRL_bio(bio, NULL);
if (crl == NULL) {
WOLFSSL_MSG("Load crl failed");
} else {
ret = wolfSSL_X509_STORE_add_crl(ctx->store, crl);
if (ret == WOLFSSL_FAILURE) {
WOLFSSL_MSG("Adding crl failed");
} else {
ret = 1;/* handled a file */
}
}
} else {
WOLFSSL_MSG("Invalid file type");
}
wolfSSL_X509_CRL_free(crl);
wolfSSL_BIO_free(bio);
WOLFSSL_LEAVE("wolfSSL_X509_load_crl_file", ret);
return ret;
#else
int ret = WOLFSSL_FAILURE;
int count = 0;
XFILE fp;
WOLFSSL_X509_CRL *crl = NULL;
WOLFSSL_ENTER("wolfSSL_X509_load_crl_file");
if (ctx == NULL || file == NULL)
return ret;
if ((fp = XFOPEN(file, "rb")) == XBADFILE)
return ret;
if (type == WOLFSSL_FILETYPE_PEM) {
do {
crl = wolfSSL_PEM_read_X509_CRL(fp, NULL, NULL, NULL);
if (crl == NULL) {
if (count <= 0) {
WOLFSSL_MSG("Load crl failed");
}
break;
}
ret = wolfSSL_X509_STORE_add_crl(ctx->store, crl);
if (ret == WOLFSSL_FAILURE) {
WOLFSSL_MSG("Adding crl failed");
break;
}
count++;
wolfSSL_X509_CRL_free(crl);
crl = NULL;
}
while(crl == NULL);
ret = count;
}
else if (type == WOLFSSL_FILETYPE_ASN1) {
crl = wolfSSL_d2i_X509_CRL_fp(fp, NULL);
if (crl == NULL) {
WOLFSSL_MSG("Load crl failed");
}
else {
ret = wolfSSL_X509_STORE_add_crl(ctx->store, crl);
if (ret == WOLFSSL_FAILURE) {
WOLFSSL_MSG("Adding crl failed");
}
else {
ret = 1;/* handled a file */
}
}
}
else {
WOLFSSL_MSG("Invalid file type");
}
wolfSSL_X509_CRL_free(crl);
XFCLOSE(fp);
WOLFSSL_LEAVE("wolfSSL_X509_load_crl_file", ret);
return ret;
#endif /* !NO_BIO */
}
#endif /* !NO_FILESYSTEM */
WOLFSSL_X509_CRL* wolfSSL_d2i_X509_CRL(WOLFSSL_X509_CRL** crl,
const unsigned char* in, int len)
{
WOLFSSL_X509_CRL *newcrl = NULL;
int ret = WOLFSSL_SUCCESS;
WOLFSSL_ENTER("wolfSSL_d2i_X509_CRL");
if (in == NULL) {
WOLFSSL_MSG("Bad argument value");
} else {
newcrl =(WOLFSSL_X509_CRL*)XMALLOC(sizeof(WOLFSSL_X509_CRL), NULL,
DYNAMIC_TYPE_CRL);
if (newcrl == NULL){
WOLFSSL_MSG("New CRL allocation failed");
} else {
ret = InitCRL(newcrl, NULL);
if (ret < 0) {
WOLFSSL_MSG("Init tmp CRL failed");
} else {
ret = BufferLoadCRL(newcrl, in, len, WOLFSSL_FILETYPE_ASN1,
NO_VERIFY);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Buffer Load CRL failed");
} else {
if (crl) {
*crl = newcrl;
}
}
}
}
}
if((ret != WOLFSSL_SUCCESS) && (newcrl != NULL)) {
wolfSSL_X509_CRL_free(newcrl);
newcrl = NULL;
}
return newcrl;
}
/* Retrieve issuer X509_NAME from CRL
* return X509_NAME* on success
* return NULL on failure
*/
WOLFSSL_X509_NAME* wolfSSL_X509_CRL_get_issuer_name(WOLFSSL_X509_CRL* crl)
{
if (crl == NULL || crl->crlList == NULL)
return NULL;
return crl->crlList->issuer;
}
/* Retrieve version from CRL
* return version on success
* return 0 on failure
*/
int wolfSSL_X509_CRL_version(WOLFSSL_X509_CRL* crl)
{
if (crl == NULL || crl->crlList == NULL)
return 0;
return crl->crlList->version;
}
/* Retrieve sig OID from CRL
* return OID on success
* return 0 on failure
*/
int wolfSSL_X509_CRL_get_signature_type(WOLFSSL_X509_CRL* crl)
{
if (crl == NULL || crl->crlList == NULL)
return 0;
return crl->crlList->signatureOID;
}
/* Retrieve sig NID from CRL
* return NID on success
* return 0 on failure
*/
int wolfSSL_X509_CRL_get_signature_nid(const WOLFSSL_X509_CRL* crl)
{
if (crl == NULL || crl->crlList == NULL)
return 0;
return oid2nid(crl->crlList->signatureOID, oidSigType);
}
/* Retrieve signature from CRL
* return WOLFSSL_SUCCESS on success and negative values on failure
*/
int wolfSSL_X509_CRL_get_signature(WOLFSSL_X509_CRL* crl,
unsigned char* buf, int* bufSz)
{
WOLFSSL_ENTER("wolfSSL_X509_CRL_get_signature");
if (crl == NULL || crl->crlList == NULL || bufSz == NULL)
return BAD_FUNC_ARG;
if (buf != NULL)
XMEMCPY(buf, crl->crlList->signature, *bufSz);
*bufSz = (int)crl->crlList->signatureSz;
return WOLFSSL_SUCCESS;
}
/* Retrieve serial number from RevokedCert
* return WOLFSSL_SUCCESS on success and negative values on failure
*/
int wolfSSL_X509_REVOKED_get_serial_number(RevokedCert* rev,
byte* in, int* inOutSz)
{
WOLFSSL_ENTER("wolfSSL_X509_REVOKED_get_serial_number");
if (rev == NULL || inOutSz == NULL) {
return BAD_FUNC_ARG;
}
if (in != NULL) {
if (*inOutSz < rev->serialSz) {
WOLFSSL_MSG("Serial buffer too small");
return BUFFER_E;
}
XMEMCPY(in, rev->serialNumber, rev->serialSz);
}
*inOutSz = rev->serialSz;
return WOLFSSL_SUCCESS;
}
const WOLFSSL_ASN1_INTEGER* wolfSSL_X509_REVOKED_get0_serial_number(const
WOLFSSL_X509_REVOKED *rev)
{
WOLFSSL_ENTER("wolfSSL_X509_REVOKED_get0_serial_number");
if (rev != NULL) {
return rev->serialNumber;
}
else
return NULL;
}
#ifndef NO_WOLFSSL_STUB
const WOLFSSL_ASN1_TIME* wolfSSL_X509_REVOKED_get0_revocation_date(const
WOLFSSL_X509_REVOKED *rev)
{
WOLFSSL_STUB("wolfSSL_X509_REVOKED_get0_revocation_date");
(void) rev;
return NULL;
}
#endif
#ifndef NO_BIO
/* print serial number out
* return WOLFSSL_SUCCESS on success
*/
static int X509RevokedPrintSerial(WOLFSSL_BIO* bio, RevokedCert* rev,
int indent)
{
unsigned char serial[32];
int sz = sizeof(serial);
XMEMSET(serial, 0, sz);
if (wolfSSL_X509_REVOKED_get_serial_number(rev, serial, &sz)
== WOLFSSL_SUCCESS) {
X509PrintSerial_ex(bio, serial, sz, 0, indent);
}
return WOLFSSL_SUCCESS;
}
/* print out the signature in human readable format for use with
* wolfSSL_X509_CRL_print()
* return WOLFSSL_SUCCESS on success
*/
static int X509CRLPrintSignature(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl,
int algOnly, int indent)
{
int sigSz = 0;
if (wolfSSL_X509_CRL_get_signature(crl, NULL, &sigSz) <= 0) {
return WOLFSSL_FAILURE;
}
if (sigSz > 0) {
unsigned char* sig;
int sigNid = wolfSSL_X509_CRL_get_signature_nid(crl);
sig = (unsigned char*)XMALLOC(sigSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (sig == NULL) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_X509_CRL_get_signature(crl, sig, &sigSz) <= 0) {
XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
if (X509PrintSignature_ex(bio, sig, sigSz, sigNid, algOnly, indent)
!= WOLFSSL_SUCCESS) {
XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
if (sig != NULL) {
XFREE(sig, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
}
return WOLFSSL_SUCCESS;
}
#endif /* !NO_BIO */
#if !defined(NO_BIO) && defined(XSNPRINTF)
/* print out the extensions in human readable format for use with
* wolfSSL_X509_CRL_print()
* return WOLFSSL_SUCCESS on success
*/
static int X509CRLPrintExtensions(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl,
int indent)
{
char tmp[MAX_WIDTH]; /* buffer for XSNPRINTF */
if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s\n", indent, "",
"CRL extensions:") >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (crl->crlList->crlNumber) {
if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s\n", indent + 4, "",
"X509v3 CRL Number:") >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%d\n", indent + 8, "",
crl->crlList->crlNumber) >= MAX_WIDTH)
{
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
XMEMSET(tmp, 0, sizeof(tmp));
}
#if !defined(NO_SKID)
if (crl->crlList->extAuthKeyIdSet && crl->crlList->extAuthKeyId[0] != 0) {
word32 i;
char val[5];
int valSz = 5;
if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s", indent + 4, "",
"X509v3 Authority Key Identifier:") >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
XSTRNCAT(tmp, "\n", MAX_WIDTH - XSTRLEN(tmp) - 1);
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
XMEMSET(tmp, 0, MAX_WIDTH);
if (XSNPRINTF(tmp, MAX_WIDTH - 1, "%*s%s",
indent + 8, "", "keyid") >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
for (i = 0; i < XSTRLEN((char*)crl->crlList->extAuthKeyId); i++) {
/* check if buffer is almost full */
if (XSTRLEN(tmp) >= sizeof(tmp) - valSz) {
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
tmp[0] = '\0';
}
if (XSNPRINTF(val, valSz, ":%02X", crl->crlList->extAuthKeyId[i])
>= valSz)
{
WOLFSSL_MSG("buffer overrun");
return WOLFSSL_FAILURE;
}
XSTRNCAT(tmp, val, valSz);
}
XSTRNCAT(tmp, "\n", XSTRLEN("\n") + 1);
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
}
#endif
return WOLFSSL_SUCCESS;
}
/* iterate through a CRL's Revoked Certs and print out in human
* readable format for use with wolfSSL_X509_CRL_print()
* return WOLFSSL_SUCCESS on success
*/
static int X509CRLPrintRevoked(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl,
int indent)
{
char tmp[MAX_WIDTH]; /* buffer for XSNPRINTF */
int i;
if (crl->crlList->totalCerts > 0) {
RevokedCert* revoked = crl->crlList->certs;
if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s\n", indent, "",
"Revoked Certificates:") >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
XMEMSET(tmp, 0, MAX_WIDTH);
for (i = 0; i < crl->crlList->totalCerts; i++) {
if (revoked->serialSz > 0) {
if (X509RevokedPrintSerial(bio, revoked, indent + 4)
!= WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
}
#ifndef NO_ASN_TIME
if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s", indent + 8, "",
"Revocation Date: ") >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (revoked->revDate[0] != 0) {
if (GetTimeString(revoked->revDate, ASN_UTC_TIME,
tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) {
if (GetTimeString(revoked->revDate, ASN_GENERALIZED_TIME,
tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error getting revocation date");
return WOLFSSL_FAILURE;
}
}
}
else {
XSTRNCPY(tmp, "Not Set", MAX_WIDTH-1);
}
tmp[MAX_WIDTH - 1] = '\0'; /* make sure null terminated */
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "\n", (int)XSTRLEN("\n")) <= 0) {
return WOLFSSL_FAILURE;
}
#endif
revoked = revoked->next;
}
}
else {
if (wolfSSL_BIO_write(bio, "No Revoked Certificates.\n",
(int)XSTRLEN("No Revoked Certificates.\n")) <= 0) {
return WOLFSSL_FAILURE;
}
}
return WOLFSSL_SUCCESS;
}
#ifndef NO_ASN_TIME
/* print out the last/next update times in human readable
* format for use with wolfSSL_X509_CRL_print()
* return WOLFSSL_SUCCESS on success
*/
static int X509CRLPrintDates(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl,
int indent)
{
char tmp[MAX_WIDTH]; /* buffer for XSNPRINTF */
if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s", indent, "",
"Last Update: ") >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (crl->crlList->lastDate[0] != 0) {
if (GetTimeString(crl->crlList->lastDate, ASN_UTC_TIME,
tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) {
if (GetTimeString(crl->crlList->lastDate, ASN_GENERALIZED_TIME,
tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error getting last update date");
return WOLFSSL_FAILURE;
}
}
}
else {
XSTRNCPY(tmp, "Not Set", sizeof(tmp)-1);
}
tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "\n", (int)XSTRLEN("\n")) <= 0) {
return WOLFSSL_FAILURE;
}
if (XSNPRINTF(tmp, MAX_WIDTH, "%*s%s", indent, "",
"Next Update: ") >= MAX_WIDTH) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (crl->crlList->nextDate[0] != 0) {
if (GetTimeString(crl->crlList->nextDate, ASN_UTC_TIME,
tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) {
if (GetTimeString(crl->crlList->nextDate, ASN_GENERALIZED_TIME,
tmp, MAX_WIDTH) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error getting next update date");
return WOLFSSL_FAILURE;
}
}
}
else {
XSTRNCPY(tmp, "Not Set", sizeof(tmp)-1);
}
tmp[sizeof(tmp) - 1] = '\0'; /* make sure null terminated */
if (wolfSSL_BIO_write(bio, tmp, (int)XSTRLEN(tmp)) <= 0) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "\n", (int)XSTRLEN("\n")) <= 0) {
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#endif
/* Writes the human readable form of x509 to bio.
*
* bio WOLFSSL_BIO to write to.
* crl Certificate revocation list to write.
*
* returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on failure
*/
int wolfSSL_X509_CRL_print(WOLFSSL_BIO* bio, WOLFSSL_X509_CRL* crl)
{
char issuType[] = "Issuer: ";
if (bio == NULL || crl == NULL || crl->crlList == NULL) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "Certificate Revocation List (CRL):\n",
(int)XSTRLEN("Certificate Revocation List (CRL):\n")) <= 0) {
return WOLFSSL_FAILURE;
}
/* print version */
if (X509PrintVersion(bio, wolfSSL_X509_CRL_version(crl), 8)
!= WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print signature algo */
if (X509CRLPrintSignature(bio, crl, 1, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print issuer name */
if (X509PrintName(bio, wolfSSL_X509_CRL_get_issuer_name(crl), issuType, 8)
!= WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
#ifndef NO_ASN_TIME
/* print last and next update times */
if (X509CRLPrintDates(bio, crl, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
#endif
/* print CRL extensions */
if (X509CRLPrintExtensions(bio, crl, 8) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
/* print CRL Revoked Certs */
if (X509CRLPrintRevoked(bio, crl, 0) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
if (X509CRLPrintSignature(bio, crl, 0, 4) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_BIO_write(bio, "\n\0", (int)XSTRLEN("\n\0")) <= 0) {
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#endif /* !NO_BIO && XSNPRINTF */
#endif /* HAVE_CRL */
#endif /* OPENSSL_EXTRA */
#if defined(HAVE_CRL) && (defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL))
void wolfSSL_X509_CRL_free(WOLFSSL_X509_CRL *crl)
{
WOLFSSL_ENTER("wolfSSL_X509_CRL_free");
if (crl)
FreeCRL(crl, 1);
}
#endif /* HAVE_CRL && (OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL) */
#ifdef OPENSSL_EXTRA
WOLFSSL_ASN1_TIME* wolfSSL_X509_CRL_get_lastUpdate(WOLFSSL_X509_CRL* crl)
{
if ((crl != NULL) && (crl->crlList != NULL) &&
(crl->crlList->lastDateAsn1.data[0] != 0)) {
return &crl->crlList->lastDateAsn1;
}
else
return NULL;
}
WOLFSSL_ASN1_TIME* wolfSSL_X509_CRL_get_nextUpdate(WOLFSSL_X509_CRL* crl)
{
if ((crl != NULL) && (crl->crlList != NULL) &&
(crl->crlList->nextDateAsn1.data[0] != 0)) {
return &crl->crlList->nextDateAsn1;
}
else
return NULL;
}
#ifndef NO_WOLFSSL_STUB
int wolfSSL_X509_CRL_verify(WOLFSSL_X509_CRL* crl, WOLFSSL_EVP_PKEY* key)
{
(void)crl;
(void)key;
WOLFSSL_STUB("X509_CRL_verify");
return 0;
}
#endif
#endif /* OPENSSL_EXTRA */
#ifdef OPENSSL_EXTRA
WOLFSSL_X509_VERIFY_PARAM* wolfSSL_X509_VERIFY_PARAM_new(void)
{
WOLFSSL_X509_VERIFY_PARAM *param = NULL;
param = (WOLFSSL_X509_VERIFY_PARAM*)XMALLOC(
sizeof(WOLFSSL_X509_VERIFY_PARAM), NULL, DYNAMIC_TYPE_OPENSSL);
if (param != NULL)
XMEMSET(param, 0, sizeof(WOLFSSL_X509_VERIFY_PARAM ));
return(param);
}
void wolfSSL_X509_VERIFY_PARAM_free(WOLFSSL_X509_VERIFY_PARAM *param)
{
if (param != NULL)
XFREE(param, NULL, DYNAMIC_TYPE_OPENSSL);
}
/* Sets flags by OR'ing with existing value. */
int wolfSSL_X509_VERIFY_PARAM_set_flags(WOLFSSL_X509_VERIFY_PARAM *param,
unsigned long flags)
{
int ret = WOLFSSL_FAILURE;
if (param != NULL) {
param->flags |= flags;
ret = WOLFSSL_SUCCESS;
}
return ret;
}
int wolfSSL_X509_VERIFY_PARAM_get_flags(WOLFSSL_X509_VERIFY_PARAM *param)
{
int ret = 0;
if (param != NULL) {
ret = (int)param->flags;
}
return ret;
}
int wolfSSL_X509_VERIFY_PARAM_clear_flags(WOLFSSL_X509_VERIFY_PARAM *param,
unsigned long flags)
{
int ret = WOLFSSL_FAILURE;
if (param != NULL) {
param->flags &= ~flags;
ret = WOLFSSL_SUCCESS;
}
return ret;
}
/* inherits properties of param "to" to param "from"
*
* WOLFSSL_VPARAM_DEFAULT any values in "src" is copied
* if "src" value is new for "to".
* WOLFSSL_VPARAM_OVERWRITE all values of "form" are copied to "to"
* WOLFSSL_VPARAM_RESET_FLAGS the flag values are copied, not Ored
* WOLFSSL_VPARAM_LOCKED don't copy any values
* WOLFSSL_VPARAM_ONCE the current inherit_flags is zerroed
*/
static int wolfSSL_X509_VERIFY_PARAM_inherit(WOLFSSL_X509_VERIFY_PARAM *to,
const WOLFSSL_X509_VERIFY_PARAM *from)
{
int ret = WOLFSSL_FAILURE;
int isOverWrite = 0;
int isDefault = 0;
unsigned int flags;
/* sanity check */
if (!to || !from) {
/* be compatible to openssl return value */
return WOLFSSL_SUCCESS;
}
flags = to->inherit_flags | from->inherit_flags;
if (flags & WOLFSSL_VPARAM_LOCKED) {
return WOLFSSL_SUCCESS;
}
if (flags & WOLFSSL_VPARAM_ONCE) {
to->inherit_flags = 0;
}
isOverWrite = (flags & WOLFSSL_VPARAM_OVERWRITE);
isDefault = (flags & WOLFSSL_VPARAM_DEFAULT);
/* copy check_time if check time is not set */
if ((to->flags & WOLFSSL_USE_CHECK_TIME) == 0 || isOverWrite) {
to->check_time = from->check_time;
to->flags &= ~WOLFSSL_USE_CHECK_TIME;
}
/* host name */
if (isOverWrite ||
(from->hostName[0] != 0 && (to->hostName[0] == 0 || isDefault))) {
if (!(ret = wolfSSL_X509_VERIFY_PARAM_set1_host(to, from->hostName,
(int)XSTRLEN(from->hostName))))
return ret;
to->hostFlags = from->hostFlags;
}
/* ip ascii */
if (isOverWrite ||
(from->ipasc[0] != 0 && (to->ipasc[0] == 0 || isDefault))) {
if (!(ret = wolfSSL_X509_VERIFY_PARAM_set1_ip_asc(to, from->ipasc)))
return ret;
}
if (flags & WOLFSSL_VPARAM_RESET_FLAGS)
to->flags = 0;
to->flags |= from->flags;
return ret;
}
/******************************************************************************
* wolfSSL_X509_VERIFY_PARAM_set1_host - sets the DNS hostname to name
* hostnames is cleared if name is NULL or empty.
*
* RETURNS:
*
*/
int wolfSSL_X509_VERIFY_PARAM_set1_host(WOLFSSL_X509_VERIFY_PARAM* pParam,
const char* name,
unsigned int nameSz)
{
WOLFSSL_ENTER("wolfSSL_X509_VERIFY_PARAM_set1_host");
if (pParam == NULL)
return WOLFSSL_FAILURE;
/* If name is NULL, clear hostname. */
if (name == NULL) {
XMEMSET(pParam->hostName, 0, WOLFSSL_HOST_NAME_MAX);
return WOLFSSL_SUCCESS;
}
/* If name is NULL-terminated, namelen can be set to zero. */
if (nameSz == 0) {
nameSz = (unsigned int)XSTRLEN(name);
}
if (nameSz > 0 && name[nameSz - 1] == '\0')
nameSz--;
if (nameSz > WOLFSSL_HOST_NAME_MAX-1) {
WOLFSSL_MSG("Truncating name");
nameSz = WOLFSSL_HOST_NAME_MAX-1;
}
if (nameSz > 0) {
XMEMCPY(pParam->hostName, name, nameSz);
XMEMSET(pParam->hostName + nameSz, 0,
WOLFSSL_HOST_NAME_MAX - nameSz);
}
pParam->hostName[nameSz] = '\0';
return WOLFSSL_SUCCESS;
}
/* Set VERIFY PARAM from "from" pointer to "to" pointer */
int wolfSSL_X509_VERIFY_PARAM_set1(WOLFSSL_X509_VERIFY_PARAM *to,
const WOLFSSL_X509_VERIFY_PARAM *from)
{
int ret = WOLFSSL_FAILURE;
unsigned int _inherit_flags;
if (!to) {
return ret;
}
/* keeps the inherit flags for save */
_inherit_flags = to->inherit_flags;
/* Ored DEFAULT inherit flag property to copy "from" contents to "to"
* contents
*/
to->inherit_flags |= WOLFSSL_VPARAM_DEFAULT;
ret = wolfSSL_X509_VERIFY_PARAM_inherit(to, from);
/* restore inherit flag */
to->inherit_flags = _inherit_flags;
return ret;
}
/* Set the host flag in the X509_VERIFY_PARAM structure */
void wolfSSL_X509_VERIFY_PARAM_set_hostflags(WOLFSSL_X509_VERIFY_PARAM* param,
unsigned int flags)
{
if (param != NULL) {
param->hostFlags = flags;
}
}
/* Sets the expected IP address to ipasc.
*
* param is a pointer to the X509_VERIFY_PARAM structure
* ipasc is a NULL-terminated string with N.N.N.N for IPv4 and
* HH:HH ... HH:HH for IPv6. There is no validation performed on the
* parameter, and it must be an exact match with the IP in the cert.
*
* return 1 for success and 0 for failure*/
int wolfSSL_X509_VERIFY_PARAM_set1_ip_asc(WOLFSSL_X509_VERIFY_PARAM *param,
const char *ipasc)
{
int ret = WOLFSSL_FAILURE;
if (param != NULL) {
if (ipasc == NULL) {
param->ipasc[0] = '\0';
}
else {
XSTRLCPY(param->ipasc, ipasc, WOLFSSL_MAX_IPSTR);
param->ipasc[WOLFSSL_MAX_IPSTR-1] = '\0';
}
ret = WOLFSSL_SUCCESS;
}
return ret;
}
/* Sets the expected IP address to ip(asc)
* by re-constructing IP address in ascii
* @param param is a pointer to the X509_VERIFY_PARAM structure
* @param ip in binary format of ip address
* @param iplen size of ip, 4 for ipv4, 16 for ipv6
* @return 1 for success and 0 for failure
*/
int wolfSSL_X509_VERIFY_PARAM_set1_ip(WOLFSSL_X509_VERIFY_PARAM* param,
const unsigned char* ip, size_t iplen)
{
int ret = WOLFSSL_FAILURE;
#ifndef NO_FILESYSTEM
char* buf = NULL;
char* p = NULL;
word32 val = 0;
int i;
const size_t max_ipv6_len = 40;
byte write_zero = 0;
#endif
/* sanity check */
if (param == NULL || (iplen != 0 && iplen != 4 && iplen != 16)) {
WOLFSSL_MSG("bad function arg");
return ret;
}
#ifndef NO_FILESYSTEM
if (iplen == 4) {
/* ipv4 www.xxx.yyy.zzz max 15 length + Null termination */
buf = (char*)XMALLOC(16, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (!buf) {
WOLFSSL_MSG("failed malloc");
return ret;
}
XSPRINTF(buf, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
buf[15] = '\0';
}
else if (iplen == 16) {
/* ipv6 normal address scheme
* y1:y2:y3:y4:y5:y6:y7:y8, len(yx):4, len(y1-y8):32. len(":"):7
* Max len is 32 + 7 + 1(Termination) = 40 bytes
*
* ipv6 dual address
* Or y1:y2:y3:y4:y:y6:x.x.x.x yx is 4, y1-y6 is 24, ":" is 6
* x.x.x.x is 15.
* Max len is 24 + 6 + 15 + 1(Termination) = 46 bytes
*
* Expect data in ip[16]
* e.g (aaaa):(bbbb):(cccc):....(hhhh)
* (aaaa) = (ip[0<<8)|ip[1]
* ......
* (hhhh) = (ip[14]<<8)|(ip[15])
*
* e.g ::(gggg):(hhhh)
* ip[0]-[11] = 0
* (gggg) = (ip[12]<<8) |(ip[13])
* (hhhh) = (ip[14]<<8) |(ip[15])
*
* Because it is not able to know which ivp6 scheme uses from data to
* reconstruct IP address, this function assumes
* ivp6 normal address scheme, not dual address scheme,
* to re-construct IP address in ascii.
*/
buf = (char*)XMALLOC(max_ipv6_len, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (!buf) {
WOLFSSL_MSG("failed malloc");
return ret;
}
p = buf;
for (i = 0; i < 16; i += 2) {
val = (((word32)(ip[i]<<8)) | (ip[i+1])) & 0xFFFF;
if (val == 0){
if (!write_zero) {
*p = ':';
}
p++;
*p = '\0';
write_zero = 1;
}
else {
if (i != 0)
*p++ = ':';
XSPRINTF(p, "%x", val);
}
/* sanity check */
if (XSTRLEN(buf) > max_ipv6_len) {
WOLFSSL_MSG("The target ip address exceeds buffer length(40)");
XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
buf = NULL;
break;
}
/* move the pointer to the last */
/* XSTRLEN includes NULL because of XSPRINTF use */
p = buf + (XSTRLEN(buf));
}
/* termination */
if(i == 16 && buf) {
p--;
if ((*p) == ':') {
/* when the last character is :, the following segments are zero
* Therefore, adding : and null termination
*/
p++;
*p++ = ':';
*p = '\0';
}
}
}
else {
WOLFSSL_MSG("iplen is zero, do nothing");
return WOLFSSL_SUCCESS;
}
if (buf) {
/* set address to ip asc */
ret = wolfSSL_X509_VERIFY_PARAM_set1_ip_asc(param, buf);
XFREE(buf, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
#else
(void)param;
(void)ip;
(void)iplen;
#endif
return ret;
}
#ifndef NO_WOLFSSL_STUB
void wolfSSL_X509_OBJECT_free_contents(WOLFSSL_X509_OBJECT* obj)
{
(void)obj;
WOLFSSL_STUB("X509_OBJECT_free_contents");
}
#endif
#ifndef NO_ASN_TIME
int wolfSSL_X509_cmp_current_time(const WOLFSSL_ASN1_TIME* asnTime)
{
return wolfSSL_X509_cmp_time(asnTime, NULL);
}
/* return -1 if asnTime is earlier than or equal to cmpTime, and 1 otherwise
* return 0 on error
*/
int wolfSSL_X509_cmp_time(const WOLFSSL_ASN1_TIME* asnTime, time_t* cmpTime)
{
int ret = WOLFSSL_FAILURE;
time_t tmpTime, *pTime = &tmpTime;
struct tm ts, *tmpTs, *ct;
#if defined(NEED_TMP_TIME)
/* for use with gmtime_r */
struct tm tmpTimeStorage;
tmpTs = &tmpTimeStorage;
#else
tmpTs = NULL;
#endif
(void)tmpTs;
if (asnTime == NULL) {
return WOLFSSL_FAILURE;
}
if (cmpTime == NULL) {
/* Use current time */
*pTime = wc_Time(0);
}
else {
pTime = cmpTime;
}
if (wolfSSL_ASN1_TIME_to_tm((WOLFSSL_ASN1_TIME*)asnTime, &ts) !=
WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Failed to convert WOLFSSL_ASN1_TIME to struct tm.");
return WOLFSSL_FAILURE;
}
/* Convert to time struct*/
ct = XGMTIME(pTime, tmpTs);
if (ct == NULL)
return GETTIME_ERROR;
/* DateGreaterThan returns 1 for >; 0 for <= */
ret = DateGreaterThan(&ts, ct) ? 1 : -1;
return ret;
}
#endif /* !NO_ASN_TIME */
#if (defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)) && \
!defined(NO_ASN_TIME) && !defined(USER_TIME) && !defined(TIME_OVERRIDES)
WOLFSSL_ASN1_TIME *wolfSSL_X509_time_adj_ex(WOLFSSL_ASN1_TIME *asnTime,
int offset_day, long offset_sec, time_t *in_tm)
{
/* get current time if in_tm is null */
time_t t = in_tm ? *in_tm : wc_Time(0);
return wolfSSL_ASN1_TIME_adj(asnTime, t, offset_day, offset_sec);
}
WOLFSSL_ASN1_TIME *wolfSSL_X509_time_adj(WOLFSSL_ASN1_TIME *asnTime,
long offset_sec, time_t *in_tm)
{
return wolfSSL_X509_time_adj_ex(asnTime, 0, offset_sec, in_tm);
}
WOLFSSL_ASN1_TIME* wolfSSL_X509_gmtime_adj(WOLFSSL_ASN1_TIME *s, long adj)
{
return wolfSSL_X509_time_adj(s, adj, NULL);
}
#endif
#ifndef NO_WOLFSSL_STUB
int wolfSSL_sk_X509_REVOKED_num(WOLFSSL_X509_REVOKED* revoked)
{
(void)revoked;
WOLFSSL_STUB("sk_X509_REVOKED_num");
return 0;
}
#endif
#ifndef NO_WOLFSSL_STUB
WOLFSSL_X509_REVOKED* wolfSSL_X509_CRL_get_REVOKED(WOLFSSL_X509_CRL* crl)
{
(void)crl;
WOLFSSL_STUB("X509_CRL_get_REVOKED");
return 0;
}
#endif
#ifndef NO_WOLFSSL_STUB
WOLFSSL_X509_REVOKED* wolfSSL_sk_X509_REVOKED_value(
WOLFSSL_X509_REVOKED* revoked, int value)
{
(void)revoked;
(void)value;
WOLFSSL_STUB("sk_X509_REVOKED_value");
return 0;
}
#endif
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
WOLFSSL_ASN1_INTEGER* wolfSSL_X509_get_serialNumber(WOLFSSL_X509* x509)
{
WOLFSSL_ASN1_INTEGER* a;
int i = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_serialNumber");
if (x509 == NULL) {
WOLFSSL_MSG("NULL function argument");
return NULL;
}
if (x509->serialNumber != NULL)
return x509->serialNumber;
a = wolfSSL_ASN1_INTEGER_new();
if (a == NULL)
return NULL;
/* Make sure there is space for the data, ASN.1 type and length. */
if (x509->serialSz > (WOLFSSL_ASN1_INTEGER_MAX - 2)) {
/* dynamically create data buffer, +2 for type and length */
a->data = (unsigned char*)XMALLOC(x509->serialSz + 2, NULL,
DYNAMIC_TYPE_OPENSSL);
if (a->data == NULL) {
wolfSSL_ASN1_INTEGER_free(a);
return NULL;
}
a->dataMax = x509->serialSz + 2;
a->isDynamic = 1;
} else {
/* Use array instead of dynamic memory */
a->data = a->intData;
a->dataMax = WOLFSSL_ASN1_INTEGER_MAX;
}
#if defined(WOLFSSL_QT) || defined(WOLFSSL_HAPROXY)
XMEMCPY(&a->data[i], x509->serial, x509->serialSz);
a->length = x509->serialSz;
#else
a->data[i++] = ASN_INTEGER;
i += SetLength(x509->serialSz, a->data + i);
XMEMCPY(&a->data[i], x509->serial, x509->serialSz);
a->length = x509->serialSz + 2;
#endif
x509->serialNumber = a;
return a;
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#ifdef OPENSSL_EXTRA
#if defined(OPENSSL_ALL) || defined(WOLFSSL_APACHE_HTTPD) \
|| defined(WOLFSSL_HAPROXY) || defined(WOLFSSL_WPAS)
WOLFSSL_X509_ALGOR* wolfSSL_X509_ALGOR_new(void)
{
WOLFSSL_X509_ALGOR* ret;
ret = (WOLFSSL_X509_ALGOR*)XMALLOC(sizeof(WOLFSSL_X509_ALGOR), NULL,
DYNAMIC_TYPE_OPENSSL);
if (ret) {
XMEMSET(ret, 0, sizeof(WOLFSSL_X509_ALGOR));
}
return ret;
}
void wolfSSL_X509_ALGOR_free(WOLFSSL_X509_ALGOR *alg)
{
if (alg) {
wolfSSL_ASN1_OBJECT_free(alg->algorithm);
wolfSSL_ASN1_TYPE_free(alg->parameter);
XFREE(alg, NULL, DYNAMIC_TYPE_OPENSSL);
}
}
/* Returns X509_ALGOR struct with signature algorithm */
const WOLFSSL_X509_ALGOR* wolfSSL_X509_get0_tbs_sigalg(const WOLFSSL_X509 *x509)
{
WOLFSSL_ENTER("wolfSSL_X509_get0_tbs_sigalg");
if (x509 == NULL) {
WOLFSSL_MSG("x509 struct NULL error");
return NULL;
}
return &x509->algor;
}
/* Sets paobj pointer to X509_ALGOR signature algorithm */
void wolfSSL_X509_ALGOR_get0(const WOLFSSL_ASN1_OBJECT **paobj, int *pptype,
const void **ppval, const WOLFSSL_X509_ALGOR *algor)
{
WOLFSSL_ENTER("wolfSSL_X509_ALGOR_get0");
if (!algor) {
WOLFSSL_MSG("algor object is NULL");
return;
}
if (paobj)
*paobj = algor->algorithm;
if (ppval && algor->parameter)
*ppval = algor->parameter->value.ptr;
if (pptype) {
if (algor->parameter) {
*pptype = algor->parameter->type;
}
else {
/* Default to V_ASN1_OBJECT */
*pptype = V_ASN1_OBJECT;
}
}
}
/**
* Populate algor members.
*
* @param algor The object to be set
* @param aobj The value to be set in algor->algorithm
* @param ptype The type of algor->parameter
* @param pval The value of algor->parameter
* @return WOLFSSL_SUCCESS on success
* WOLFSSL_FAILURE on missing parameters or bad malloc
*/
int wolfSSL_X509_ALGOR_set0(WOLFSSL_X509_ALGOR *algor, WOLFSSL_ASN1_OBJECT *aobj,
int ptype, void *pval)
{
if (!algor) {
return WOLFSSL_FAILURE;
}
if (!algor->parameter) {
algor->parameter = wolfSSL_ASN1_TYPE_new();
if (!algor->parameter) {
return WOLFSSL_FAILURE;
}
}
if (aobj) {
algor->algorithm = aobj;
}
wolfSSL_ASN1_TYPE_set(algor->parameter, ptype, pval);
return WOLFSSL_SUCCESS;
}
/**
* Allocate a new WOLFSSL_X509_PUBKEY object.
*
* @return New zero'ed WOLFSSL_X509_PUBKEY object
*/
WOLFSSL_X509_PUBKEY *wolfSSL_X509_PUBKEY_new(void)
{
WOLFSSL_X509_PUBKEY *ret;
ret = (WOLFSSL_X509_PUBKEY*)XMALLOC(sizeof(WOLFSSL_X509_PUBKEY), NULL,
DYNAMIC_TYPE_OPENSSL);
if (!ret) {
return NULL;
}
XMEMSET(ret, 0, sizeof(WOLFSSL_X509_PUBKEY));
ret->algor = wolfSSL_X509_ALGOR_new();
if (!ret->algor) {
wolfSSL_X509_PUBKEY_free(ret);
return NULL;
}
return ret;
}
/**
* Free WOLFSSL_X509_PUBKEY and all its members.
*
* @param at Object to free
*/
void wolfSSL_X509_PUBKEY_free(WOLFSSL_X509_PUBKEY *x)
{
if (x) {
if (x->algor) {
wolfSSL_X509_ALGOR_free(x->algor);
}
if (x->pkey) {
wolfSSL_EVP_PKEY_free(x->pkey);
}
XFREE(x, NULL, DYNAMIC_TYPE_OPENSSL);
}
}
/* Returns X509_PUBKEY structure containing X509_ALGOR and EVP_PKEY */
WOLFSSL_X509_PUBKEY* wolfSSL_X509_get_X509_PUBKEY(const WOLFSSL_X509* x509)
{
WOLFSSL_ENTER("wolfSSL_X509_get_X509_PUBKEY");
if (x509 == NULL) {
WOLFSSL_MSG("x509 struct NULL error");
return NULL;
}
return (WOLFSSL_X509_PUBKEY*)&x509->key;
}
/* Sets ppkalg pointer to X509_PUBKEY algorithm. Returns WOLFSSL_SUCCESS on
success or WOLFSSL_FAILURE on error. */
int wolfSSL_X509_PUBKEY_get0_param(WOLFSSL_ASN1_OBJECT **ppkalg,
const unsigned char **pk, int *ppklen, WOLFSSL_X509_ALGOR **pa,
WOLFSSL_X509_PUBKEY *pub)
{
WOLFSSL_ENTER("wolfSSL_X509_PUBKEY_get0_param");
if (!pub || !pub->pubKeyOID) {
WOLFSSL_MSG("X509_PUBKEY struct not populated");
return WOLFSSL_FAILURE;
}
if (!pub->algor) {
if (!(pub->algor = wolfSSL_X509_ALGOR_new())) {
return WOLFSSL_FAILURE;
}
pub->algor->algorithm = wolfSSL_OBJ_nid2obj(pub->pubKeyOID);
if (pub->algor->algorithm == NULL) {
WOLFSSL_MSG("Failed to create object from NID");
return WOLFSSL_FAILURE;
}
}
if (pa)
*pa = pub->algor;
if (ppkalg)
*ppkalg = pub->algor->algorithm;
if (pk)
*pk = (unsigned char*)pub->pkey->pkey.ptr;
if (ppklen)
*ppklen = pub->pkey->pkey_sz;
return WOLFSSL_SUCCESS;
}
/* Returns a pointer to the pkey when passed a key */
WOLFSSL_EVP_PKEY* wolfSSL_X509_PUBKEY_get(WOLFSSL_X509_PUBKEY* key)
{
WOLFSSL_ENTER("wolfSSL_X509_PUBKEY_get");
if (key == NULL || key->pkey == NULL) {
WOLFSSL_LEAVE("wolfSSL_X509_PUBKEY_get", BAD_FUNC_ARG);
return NULL;
}
if (wolfSSL_EVP_PKEY_up_ref(key->pkey) != WOLFSSL_SUCCESS) {
WOLFSSL_LEAVE("wolfSSL_X509_PUBKEY_get", BAD_MUTEX_E);
return NULL;
}
WOLFSSL_LEAVE("wolfSSL_X509_PUBKEY_get", WOLFSSL_SUCCESS);
return key->pkey;
}
int wolfSSL_X509_PUBKEY_set(WOLFSSL_X509_PUBKEY **x, WOLFSSL_EVP_PKEY *key)
{
WOLFSSL_X509_PUBKEY *pk = NULL;
int ptype;
void *pval;
#ifndef NO_DSA
WOLFSSL_ASN1_STRING *str;
#endif
#ifdef HAVE_ECC
int nid;
const WOLFSSL_EC_GROUP *group;
#endif
WOLFSSL_ASN1_OBJECT *keyTypeObj;
WOLFSSL_ENTER("wolfSSL_X509_PUBKEY_set");
if (!x || !key) {
return WOLFSSL_FAILURE;
}
if (!(pk = wolfSSL_X509_PUBKEY_new())) {
return WOLFSSL_FAILURE;
}
switch (key->type) {
#ifndef NO_RSA
case EVP_PKEY_RSA:
pval = NULL;
ptype = V_ASN1_NULL;
pk->pubKeyOID = RSAk;
break;
#endif
#ifndef NO_DSA
case EVP_PKEY_DSA:
if (!key->dsa->p || !key->dsa->q || !key->dsa->g)
goto error;
str = wolfSSL_ASN1_STRING_new();
if (str == NULL)
goto error;
str->length = wolfSSL_i2d_DSAparams(key->dsa,
(unsigned char **)&str->data);
if (str->length <= 0) {
wolfSSL_ASN1_STRING_free(str);
goto error;
}
str->isDynamic = 1;
pval = str;
ptype = V_ASN1_SEQUENCE;
pk->pubKeyOID = DSAk;
break;
#endif
#ifdef HAVE_ECC
case EVP_PKEY_EC:
group = wolfSSL_EC_KEY_get0_group(key->ecc);
if (!group)
goto error;
nid = wolfSSL_EC_GROUP_get_curve_name(group);
if (nid <= 0) {
/* TODO: Add support for no nid case */
WOLFSSL_MSG("nid not found");
goto error;
}
pval = wolfSSL_OBJ_nid2obj(nid);
if (!pval)
goto error;
ptype = V_ASN1_OBJECT;
pk->pubKeyOID = ECDSAk;
break;
#endif
default:
WOLFSSL_MSG("Unknown key type");
goto error;
}
keyTypeObj = wolfSSL_OBJ_nid2obj(key->type);
if (keyTypeObj == NULL) {
if (ptype == V_ASN1_OBJECT)
ASN1_OBJECT_free((WOLFSSL_ASN1_OBJECT *)pval);
else
ASN1_STRING_free((WOLFSSL_ASN1_STRING *)pval);
goto error;
}
if (!wolfSSL_X509_ALGOR_set0(pk->algor, keyTypeObj, ptype, pval)) {
WOLFSSL_MSG("Failed to create algorithm object");
ASN1_OBJECT_free(keyTypeObj);
if (ptype == V_ASN1_OBJECT)
ASN1_OBJECT_free((WOLFSSL_ASN1_OBJECT *)pval);
else
ASN1_STRING_free((WOLFSSL_ASN1_STRING *)pval);
goto error;
}
if (!wolfSSL_EVP_PKEY_up_ref(key)) {
WOLFSSL_MSG("Failed to up key reference");
goto error;
}
pk->pkey = key;
wolfSSL_X509_PUBKEY_free(*x);
*x = pk;
return WOLFSSL_SUCCESS;
error:
if (pk) {
wolfSSL_X509_PUBKEY_free(pk);
}
return WOLFSSL_FAILURE;
}
#endif /* OPENSSL_ALL || WOLFSSL_APACHE_HTTPD || WOLFSSL_HAPROXY || WOLFSSL_WPAS */
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
WOLFSSL_BASIC_CONSTRAINTS* wolfSSL_BASIC_CONSTRAINTS_new(void)
{
WOLFSSL_BASIC_CONSTRAINTS* bc;
bc = (WOLFSSL_BASIC_CONSTRAINTS*)
XMALLOC(sizeof(WOLFSSL_BASIC_CONSTRAINTS), NULL,
DYNAMIC_TYPE_X509_EXT);
if (bc == NULL) {
WOLFSSL_MSG("Failed to malloc basic constraints");
return NULL;
}
XMEMSET(bc, 0, sizeof(WOLFSSL_BASIC_CONSTRAINTS));
return bc;
}
/* frees the wolfSSL_BASIC_CONSTRAINTS object */
void wolfSSL_BASIC_CONSTRAINTS_free(WOLFSSL_BASIC_CONSTRAINTS *bc)
{
WOLFSSL_ENTER("wolfSSL_BASIC_CONSTRAINTS_free");
if (bc == NULL) {
WOLFSSL_MSG("Argument is NULL");
return;
}
if (bc->pathlen) {
wolfSSL_ASN1_INTEGER_free(bc->pathlen);
}
XFREE(bc, NULL, DYNAMIC_TYPE_OPENSSL);
}
WOLFSSL_AUTHORITY_KEYID* wolfSSL_AUTHORITY_KEYID_new(void)
{
WOLFSSL_AUTHORITY_KEYID* akey = (WOLFSSL_AUTHORITY_KEYID*)XMALLOC(
sizeof(WOLFSSL_AUTHORITY_KEYID), NULL, DYNAMIC_TYPE_OPENSSL);
if (!akey) {
WOLFSSL_MSG("Issue creating WOLFSSL_AUTHORITY_KEYID struct");
return NULL;
}
XMEMSET(akey, 0, sizeof(WOLFSSL_AUTHORITY_KEYID));
return akey;
}
/* frees the wolfSSL_AUTHORITY_KEYID object */
void wolfSSL_AUTHORITY_KEYID_free(WOLFSSL_AUTHORITY_KEYID *id)
{
WOLFSSL_ENTER("wolfSSL_AUTHORITY_KEYID_free");
if(id == NULL) {
WOLFSSL_MSG("Argument is NULL");
return;
}
if (id->keyid) {
wolfSSL_ASN1_STRING_free(id->keyid);
}
if (id->issuer) {
wolfSSL_ASN1_OBJECT_free(id->issuer);
}
if (id->serial) {
wolfSSL_ASN1_INTEGER_free(id->serial);
}
XFREE(id, NULL, DYNAMIC_TYPE_OPENSSL);
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#ifdef KEEP_PEER_CERT
char* wolfSSL_X509_get_subjectCN(WOLFSSL_X509* x509)
{
if (x509 == NULL)
return NULL;
return x509->subjectCN;
}
#endif /* KEEP_PEER_CERT */
#if defined(OPENSSL_EXTRA_X509_SMALL) || defined(OPENSSL_EXTRA)
/* increments ref count of WOLFSSL_X509. Return 1 on success, 0 on error */
int wolfSSL_X509_up_ref(WOLFSSL_X509* x509)
{
if (x509) {
int ret;
wolfSSL_RefInc(&x509->ref, &ret);
if (ret != 0) {
WOLFSSL_MSG("Failed to lock x509 mutex");
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
return WOLFSSL_FAILURE;
}
#endif /* OPENSSL_EXTRA_X509_SMALL || OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL)
WOLF_STACK_OF(WOLFSSL_X509)* wolfSSL_X509_chain_up_ref(
WOLF_STACK_OF(WOLFSSL_X509)* chain)
{
/* wolfSSL_sk_dup takes care of doing a deep copy */
return wolfSSL_sk_dup(chain);
}
#endif
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
void wolfSSL_X509_NAME_free(WOLFSSL_X509_NAME *name)
{
WOLFSSL_ENTER("wolfSSL_X509_NAME_free");
FreeX509Name(name);
if (name != NULL) {
XFREE(name, name->heap, DYNAMIC_TYPE_X509);
}
}
/* Malloc's a new WOLFSSL_X509_NAME structure
*
* returns NULL on failure, otherwise returns a new structure.
*/
WOLFSSL_X509_NAME* wolfSSL_X509_NAME_new_ex(void *heap)
{
WOLFSSL_X509_NAME* name;
WOLFSSL_ENTER("wolfSSL_X509_NAME_new_ex");
name = (WOLFSSL_X509_NAME*)XMALLOC(sizeof(WOLFSSL_X509_NAME), heap,
DYNAMIC_TYPE_X509);
if (name != NULL) {
InitX509Name(name, 1, heap);
}
return name;
}
WOLFSSL_X509_NAME* wolfSSL_X509_NAME_new(void) {
return wolfSSL_X509_NAME_new_ex(NULL);
}
/* Creates a duplicate of a WOLFSSL_X509_NAME structure.
Returns a new WOLFSSL_X509_NAME structure or NULL on failure */
WOLFSSL_X509_NAME* wolfSSL_X509_NAME_dup(WOLFSSL_X509_NAME *name)
{
WOLFSSL_X509_NAME* copy = NULL;
WOLFSSL_ENTER("wolfSSL_X509_NAME_dup");
if (name == NULL) {
WOLFSSL_MSG("NULL parameter");
return NULL;
}
if (!(copy = wolfSSL_X509_NAME_new_ex(name->heap))) {
return NULL;
}
/* copy contents */
InitX509Name(copy, 1, name->heap);
if (wolfSSL_X509_NAME_copy(name, copy) != WOLFSSL_SUCCESS) {
wolfSSL_X509_NAME_free(copy);
return NULL;
}
return copy;
}
#ifdef WOLFSSL_CERT_GEN
#if defined(WOLFSSL_CERT_REQ) || defined(WOLFSSL_CERT_EXT) || defined(OPENSSL_EXTRA)
/* Helper function to copy cert name from a WOLFSSL_X509_NAME structure to
* a Cert structure.
*
* returns length of DER on success and a negative error value on failure
*/
static int CopyX509NameToCert(WOLFSSL_X509_NAME* n, byte* out)
{
unsigned char* der = NULL;
int length = BAD_FUNC_ARG, ret;
word32 idx = 0;
ret = wolfSSL_i2d_X509_NAME(n, &der);
if (ret > (int)sizeof(CertName) || ret < 0) {
WOLFSSL_MSG("Name conversion error");
ret = MEMORY_E;
}
if (ret > 0) {
/* strip off sequence, this gets added on certificate creation */
ret = GetSequence(der, &idx, &length, ret);
}
if (ret > 0) {
XMEMCPY(out, der + idx, length);
}
if (der != NULL)
XFREE(der, NULL, DYNAMIC_TYPE_OPENSSL);
return length;
}
#endif
#ifdef WOLFSSL_CERT_REQ
static int ReqCertFromX509(Cert* cert, WOLFSSL_X509* req)
{
int ret;
if (wc_InitCert(cert) != 0)
return WOLFSSL_FAILURE;
ret = CopyX509NameToCert(&req->subject, cert->sbjRaw);
if (ret < 0) {
WOLFSSL_MSG("REQ subject conversion error");
ret = MEMORY_E;
}
else {
ret = WOLFSSL_SUCCESS;
}
if (ret == WOLFSSL_SUCCESS) {
#if defined(OPENSSL_ALL)
int idx;
#endif
cert->version = req->version;
cert->isCA = req->isCa;
cert->basicConstSet = req->basicConstSet;
#ifdef WOLFSSL_CERT_EXT
if (req->subjKeyIdSz != 0) {
XMEMCPY(cert->skid, req->subjKeyId, req->subjKeyIdSz);
cert->skidSz = req->subjKeyIdSz;
}
if (req->keyUsageSet)
cert->keyUsage = req->keyUsage;
cert->extKeyUsage = req->extKeyUsage;
#endif
XMEMCPY(cert->challengePw, req->challengePw, CTC_NAME_SIZE);
cert->challengePwPrintableString = req->challengePw[0] != 0;
#if defined(OPENSSL_ALL)
idx = wolfSSL_X509_REQ_get_attr_by_NID(req,
NID_pkcs9_unstructuredName, -1);
if (idx != WOLFSSL_FATAL_ERROR) {
WOLFSSL_X509_ATTRIBUTE *attr;
attr = wolfSSL_X509_REQ_get_attr(req, idx);
if (attr != NULL) {
const unsigned char *attrData;
int attrDataSz;
attrData = wolfSSL_ASN1_STRING_get0_data(
attr->value->value.asn1_string);
attrDataSz = wolfSSL_ASN1_STRING_length(
attr->value->value.asn1_string);
/* +1 to make sure is terminated string */
if (attrDataSz + 1 > CTC_NAME_SIZE) {
WOLFSSL_MSG("attribute size was too large to copy");
ret = REQ_ATTRIBUTE_E;
}
else {
XMEMCPY(cert->unstructuredName, attrData, attrDataSz);
cert->unstructuredName[attrDataSz] = '\0';
}
}
}
#ifdef WOLFSSL_CUSTOM_OID
if (ret == WOLFSSL_SUCCESS) {
if ((req->customExtCount < 0) ||
(req->customExtCount >= NUM_CUSTOM_EXT)) {
WOLFSSL_MSG("Bad value for customExtCount.");
ret = WOLFSSL_FAILURE;
}
if (ret == WOLFSSL_SUCCESS) {
for (idx = 0; idx < req->customExtCount; idx++) {
/* Note that ownership is NOT transferred.
* req->custom_exts buffers still need to be cleaned
* up. */
cert->customCertExt[idx] = req->custom_exts[idx];
}
cert->customCertExtCount = req->customExtCount;
}
}
#endif /* WOLFSSL_CUSTOM_OID */
#endif /* OPENSSL_ALL */
#ifdef WOLFSSL_ALT_NAMES
if (ret == WOLFSSL_SUCCESS) {
cert->altNamesSz = FlattenAltNames(cert->altNames,
sizeof(cert->altNames), req->altNames);
}
#endif /* WOLFSSL_ALT_NAMES */
}
return ret;
}
#endif /* WOLFSSL_CERT_REQ */
/* converts WOLFSSL_AN1_TIME to Cert form, returns positive size on
* success */
static int CertDateFromX509(byte* out, int outSz, WOLFSSL_ASN1_TIME* t)
{
int sz, i;
if (t->length + 1 >= outSz) {
return BUFFER_E;
}
out[0] = (byte) t->type;
sz = SetLength(t->length, out + 1) + 1; /* gen tag */
for (i = 0; i < t->length; i++) {
out[sz + i] = t->data[i];
}
return t->length + sz;
}
/* convert a WOLFSSL_X509 to a Cert structure for writing out */
static int CertFromX509(Cert* cert, WOLFSSL_X509* x509)
{
int ret;
#ifdef WOLFSSL_CERT_EXT
int i;
#endif
WOLFSSL_ENTER("wolfSSL_X509_to_Cert");
if (x509 == NULL || cert == NULL) {
return BAD_FUNC_ARG;
}
wc_InitCert(cert);
cert->version = (int)wolfSSL_X509_get_version(x509);
if (x509->notBefore.length > 0) {
cert->beforeDateSz = CertDateFromX509(cert->beforeDate,
CTC_DATE_SIZE, &x509->notBefore);
if (cert->beforeDateSz <= 0){
WOLFSSL_MSG("Error converting WOLFSSL_X509 not before date");
return WOLFSSL_FAILURE;
}
}
else {
cert->beforeDateSz = 0;
}
if (x509->notAfter.length > 0) {
cert->afterDateSz = CertDateFromX509(cert->afterDate,
CTC_DATE_SIZE, &x509->notAfter);
if (cert->afterDateSz <= 0){
WOLFSSL_MSG("Error converting WOLFSSL_X509 not after date");
return WOLFSSL_FAILURE;
}
}
else {
cert->afterDateSz = 0;
}
#ifdef WOLFSSL_ALT_NAMES
cert->altNamesSz = FlattenAltNames(cert->altNames,
sizeof(cert->altNames), x509->altNames);
#endif /* WOLFSSL_ALT_NAMES */
cert->sigType = wolfSSL_X509_get_signature_type(x509);
cert->keyType = x509->pubKeyOID;
cert->isCA = wolfSSL_X509_get_isCA(x509);
cert->basicConstSet = x509->basicConstSet;
#ifdef WOLFSSL_CERT_EXT
if (x509->subjKeyIdSz <= CTC_MAX_SKID_SIZE) {
if (x509->subjKeyId) {
XMEMCPY(cert->skid, x509->subjKeyId, x509->subjKeyIdSz);
}
cert->skidSz = (int)x509->subjKeyIdSz;
}
else {
WOLFSSL_MSG("Subject Key ID too large");
WOLFSSL_ERROR_VERBOSE(BUFFER_E);
return WOLFSSL_FAILURE;
}
if (x509->authKeyIdSz < sizeof(cert->akid)) {
#ifdef WOLFSSL_AKID_NAME
cert->rawAkid = 0;
if (x509->authKeyIdSrc) {
XMEMCPY(cert->akid, x509->authKeyIdSrc, x509->authKeyIdSrcSz);
cert->akidSz = (int)x509->authKeyIdSrcSz;
cert->rawAkid = 1;
}
else
#endif
if (x509->authKeyId) {
XMEMCPY(cert->akid, x509->authKeyId, x509->authKeyIdSz);
cert->akidSz = (int)x509->authKeyIdSz;
}
}
else {
WOLFSSL_MSG("Auth Key ID too large");
WOLFSSL_ERROR_VERBOSE(BUFFER_E);
return WOLFSSL_FAILURE;
}
for (i = 0; i < x509->certPoliciesNb; i++) {
/* copy the smaller of MAX macros, by default they are currently equal*/
if ((int)CTC_MAX_CERTPOL_SZ <= (int)MAX_CERTPOL_SZ) {
XMEMCPY(cert->certPolicies[i], x509->certPolicies[i],
CTC_MAX_CERTPOL_SZ);
}
else {
XMEMCPY(cert->certPolicies[i], x509->certPolicies[i],
MAX_CERTPOL_SZ);
}
}
cert->certPoliciesNb = (word16)x509->certPoliciesNb;
cert->keyUsage = x509->keyUsage;
cert->extKeyUsage = x509->extKeyUsage;
cert->nsCertType = x509->nsCertType;
if (x509->rawCRLInfo != NULL) {
if (x509->rawCRLInfoSz > CTC_MAX_CRLINFO_SZ) {
WOLFSSL_MSG("CRL Info too large");
WOLFSSL_ERROR_VERBOSE(BUFFER_E);
return WOLFSSL_FAILURE;
}
XMEMCPY(cert->crlInfo, x509->rawCRLInfo, x509->rawCRLInfoSz);
cert->crlInfoSz = x509->rawCRLInfoSz;
}
#endif /* WOLFSSL_CERT_EXT */
#ifdef WOLFSSL_CERT_REQ
/* copy over challenge password for REQ certs */
XMEMCPY(cert->challengePw, x509->challengePw, CTC_NAME_SIZE);
#endif
/* Only makes sense to do this for OPENSSL_EXTRA because without
* this define the function will error out below */
#ifdef OPENSSL_EXTRA
if (x509->serialSz == 0 && x509->serialNumber != NULL &&
/* Check if the buffer contains more than just the
* ASN tag and length */
x509->serialNumber->length > 2) {
if (wolfSSL_X509_set_serialNumber(x509, x509->serialNumber)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Failed to set serial number");
return WOLFSSL_FAILURE;
}
}
#endif
/* set serial number */
if (x509->serialSz > 0) {
#if defined(OPENSSL_EXTRA)
byte serial[EXTERNAL_SERIAL_SIZE];
int serialSz = EXTERNAL_SERIAL_SIZE;
ret = wolfSSL_X509_get_serial_number(x509, serial, &serialSz);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Serial size error");
return WOLFSSL_FAILURE;
}
if (serialSz > EXTERNAL_SERIAL_SIZE ||
serialSz > CTC_SERIAL_SIZE) {
WOLFSSL_MSG("Serial size too large error");
WOLFSSL_ERROR_VERBOSE(BUFFER_E);
return WOLFSSL_FAILURE;
}
XMEMCPY(cert->serial, serial, serialSz);
cert->serialSz = serialSz;
#else
WOLFSSL_MSG("Getting X509 serial number not supported");
return WOLFSSL_FAILURE;
#endif
}
/* copy over Name structures */
if (x509->issuerSet)
cert->selfSigned = 0;
#if defined(WOLFSSL_CERT_EXT) || defined(OPENSSL_EXTRA)
ret = CopyX509NameToCert(&x509->subject, cert->sbjRaw);
if (ret < 0) {
WOLFSSL_MSG("Subject conversion error");
return MEMORY_E;
}
if (cert->selfSigned) {
XMEMCPY(cert->issRaw, cert->sbjRaw, sizeof(CertName));
}
else {
ret = CopyX509NameToCert(&x509->issuer, cert->issRaw);
if (ret < 0) {
WOLFSSL_MSG("Issuer conversion error");
return MEMORY_E;
}
}
#endif
cert->heap = x509->heap;
(void)ret;
return WOLFSSL_SUCCESS;
}
/* returns the sig type to use on success i.e CTC_SHAwRSA and WOLFSSL_FALURE
* on fail case */
static int wolfSSL_sigTypeFromPKEY(WOLFSSL_EVP_MD* md,
WOLFSSL_EVP_PKEY* pkey)
{
#if !defined(NO_PWDBASED) && defined(OPENSSL_EXTRA)
int hashType;
int sigType = WOLFSSL_FAILURE;
/* Convert key type and hash algorithm to a signature algorithm */
if (wolfSSL_EVP_get_hashinfo(md, &hashType, NULL) == WOLFSSL_FAILURE) {
return WOLFSSL_FAILURE;
}
if (pkey->type == EVP_PKEY_RSA) {
switch (hashType) {
case WC_HASH_TYPE_SHA:
sigType = CTC_SHAwRSA;
break;
case WC_HASH_TYPE_SHA224:
sigType = CTC_SHA224wRSA;
break;
case WC_HASH_TYPE_SHA256:
sigType = CTC_SHA256wRSA;
break;
case WC_HASH_TYPE_SHA384:
sigType = CTC_SHA384wRSA;
break;
case WC_HASH_TYPE_SHA512:
sigType = CTC_SHA512wRSA;
break;
#ifdef WOLFSSL_SHA3
case WC_HASH_TYPE_SHA3_224:
sigType = CTC_SHA3_224wRSA;
break;
case WC_HASH_TYPE_SHA3_256:
sigType = CTC_SHA3_256wRSA;
break;
case WC_HASH_TYPE_SHA3_384:
sigType = CTC_SHA3_384wRSA;
break;
case WC_HASH_TYPE_SHA3_512:
sigType = CTC_SHA3_512wRSA;
break;
#endif
default:
return WOLFSSL_FAILURE;
}
}
else if (pkey->type == EVP_PKEY_EC) {
switch (hashType) {
case WC_HASH_TYPE_SHA:
sigType = CTC_SHAwECDSA;
break;
case WC_HASH_TYPE_SHA224:
sigType = CTC_SHA224wECDSA;
break;
case WC_HASH_TYPE_SHA256:
sigType = CTC_SHA256wECDSA;
break;
case WC_HASH_TYPE_SHA384:
sigType = CTC_SHA384wECDSA;
break;
case WC_HASH_TYPE_SHA512:
sigType = CTC_SHA512wECDSA;
break;
#ifdef WOLFSSL_SHA3
case WC_HASH_TYPE_SHA3_224:
sigType = CTC_SHA3_224wECDSA;
break;
case WC_HASH_TYPE_SHA3_256:
sigType = CTC_SHA3_256wECDSA;
break;
case WC_HASH_TYPE_SHA3_384:
sigType = CTC_SHA3_384wECDSA;
break;
case WC_HASH_TYPE_SHA3_512:
sigType = CTC_SHA3_512wECDSA;
break;
#endif
default:
return WOLFSSL_FAILURE;
}
}
else
return WOLFSSL_FAILURE;
return sigType;
#else
(void)md;
(void)pkey;
WOLFSSL_MSG("Cannot get hashinfo when NO_PWDBASED is defined");
return WOLFSSL_FAILURE;
#endif /* !NO_PWDBASED && OPENSSL_EXTRA */
}
/* generates DER buffer from WOLFSSL_X509
* If req == 1 then creates a request DER buffer
*
* updates derSz with certificate body size on success
* return WOLFSSL_SUCCESS on success
*/
static int wolfssl_x509_make_der(WOLFSSL_X509* x509, int req,
unsigned char* der, int* derSz, int includeSig)
{
int ret = WOLFSSL_FAILURE;
int totalLen;
Cert* cert = NULL;
void* key = NULL;
int type = -1;
#ifndef NO_RSA
RsaKey* rsa = NULL;
#endif
#ifdef HAVE_ECC
ecc_key* ecc = NULL;
#endif
#ifndef NO_DSA
DsaKey* dsa = NULL;
#endif
WC_RNG rng;
word32 idx = 0;
if (x509 == NULL || der == NULL || derSz == NULL)
return BAD_FUNC_ARG;
#ifndef WOLFSSL_CERT_REQ
if (req) {
WOLFSSL_MSG("WOLFSSL_CERT_REQ needed for certificate request");
return WOLFSSL_FAILURE;
}
#endif
/* allocate Cert struct on heap since it is large */
cert = (Cert*)XMALLOC(sizeof(Cert), NULL, DYNAMIC_TYPE_CERT);
if (cert == NULL) {
WOLFSSL_MSG("Failed to allocate memory for Cert struct");
return WOLFSSL_FAILURE;
}
XMEMSET(cert, 0, sizeof(Cert));
#ifdef WOLFSSL_CERT_REQ
if (req) {
if (ReqCertFromX509(cert, x509) != WOLFSSL_SUCCESS) {
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return WOLFSSL_FAILURE;
}
}
else
#endif
{
/* Create a Cert that has the certificate fields. */
if (CertFromX509(cert, x509) != WOLFSSL_SUCCESS) {
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return WOLFSSL_FAILURE;
}
}
/* Create a public key object from requests public key. */
#ifndef NO_RSA
if (x509->pubKeyOID == RSAk) {
rsa = (RsaKey*)XMALLOC(sizeof(RsaKey), NULL, DYNAMIC_TYPE_RSA);
if (rsa == NULL) {
WOLFSSL_MSG("Failed to allocate memory for RsaKey");
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return WOLFSSL_FAILURE;
}
type = RSA_TYPE;
ret = wc_InitRsaKey(rsa, x509->heap);
if (ret != 0) {
XFREE(rsa, NULL, DYNAMIC_TYPE_RSA);
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return ret;
}
ret = wc_RsaPublicKeyDecode(x509->pubKey.buffer, &idx, rsa,
x509->pubKey.length);
if (ret != 0) {
WOLFSSL_ERROR_VERBOSE(ret);
wc_FreeRsaKey(rsa);
XFREE(rsa, NULL, DYNAMIC_TYPE_RSA);
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return ret;
}
key = (void*)rsa;
}
#endif
#ifdef HAVE_ECC
if (x509->pubKeyOID == ECDSAk) {
ecc = (ecc_key*)XMALLOC(sizeof(ecc_key), NULL, DYNAMIC_TYPE_ECC);
if (ecc == NULL) {
WOLFSSL_MSG("Failed to allocate memory for ecc_key");
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return WOLFSSL_FAILURE;
}
type = ECC_TYPE;
ret = wc_ecc_init(ecc);
if (ret != 0) {
XFREE(ecc, NULL, DYNAMIC_TYPE_ECC);
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return ret;
}
ret = wc_EccPublicKeyDecode(x509->pubKey.buffer, &idx, ecc,
x509->pubKey.length);
if (ret != 0) {
WOLFSSL_ERROR_VERBOSE(ret);
wc_ecc_free(ecc);
XFREE(ecc, NULL, DYNAMIC_TYPE_ECC);
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return ret;
}
key = (void*)ecc;
}
#endif
#ifndef NO_DSA
if (x509->pubKeyOID == DSAk) {
dsa = (DsaKey*)XMALLOC(sizeof(DsaKey), NULL, DYNAMIC_TYPE_DSA);
if (dsa == NULL) {
WOLFSSL_MSG("Failed to allocate memory for DsaKey");
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return WOLFSSL_FAILURE;
}
type = DSA_TYPE;
ret = wc_InitDsaKey(dsa);
if (ret != 0) {
XFREE(dsa, NULL, DYNAMIC_TYPE_DSA);
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return ret;
}
ret = wc_DsaPublicKeyDecode(x509->pubKey.buffer, &idx, dsa,
x509->pubKey.length);
if (ret != 0) {
WOLFSSL_ERROR_VERBOSE(ret);
wc_FreeDsaKey(dsa);
XFREE(dsa, NULL, DYNAMIC_TYPE_DSA);
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return ret;
}
key = (void*)dsa;
}
#endif
if (key == NULL) {
WOLFSSL_MSG("No public key found for certificate");
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return WOLFSSL_FAILURE;
}
/* Make the body of the certificate request. */
#ifdef WOLFSSL_CERT_REQ
if (req) {
ret = wc_MakeCertReq_ex(cert, der, *derSz, type, key);
}
else
#endif
{
ret = wc_InitRng(&rng);
if (ret != 0) {
ret = WOLFSSL_FAILURE;
goto cleanup;
}
ret = wc_MakeCert_ex(cert, der, *derSz, type, key, &rng);
wc_FreeRng(&rng);
}
if (ret <= 0) {
WOLFSSL_ERROR_VERBOSE(ret);
ret = WOLFSSL_FAILURE;
goto cleanup;
}
if ((x509->serialSz == 0) &&
(cert->serialSz <= EXTERNAL_SERIAL_SIZE) &&
(cert->serialSz > 0)) {
#if defined(OPENSSL_EXTRA)
WOLFSSL_ASN1_INTEGER *i = wolfSSL_ASN1_INTEGER_new();
if (i == NULL) {
WOLFSSL_MSG("wolfSSL_ASN1_INTEGER_new error");
ret = WOLFSSL_FAILURE;
goto cleanup;
}
else {
i->length = cert->serialSz + 2;
i->data[0] = ASN_INTEGER;
i->data[1] = (unsigned char)cert->serialSz;
XMEMCPY(i->data + 2, cert->serial, cert->serialSz);
if (wolfSSL_X509_set_serialNumber(x509, i) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Issue setting generated serial number");
wolfSSL_ASN1_INTEGER_free(i);
ret = WOLFSSL_FAILURE;
goto cleanup;
}
wolfSSL_ASN1_INTEGER_free(i);
}
#else
WOLFSSL_MSG("ASN1_INTEGER API not in build");
ret = WOLFSSL_FAILURE;
goto cleanup;
#endif /* OPENSSL_EXTRA */
}
if (includeSig) {
if (!x509->sig.buffer) {
WOLFSSL_MSG("No signature buffer");
ret = WOLFSSL_FAILURE;
goto cleanup;
}
totalLen = AddSignature(NULL, ret, NULL, x509->sig.length,
x509->sigOID);
if (totalLen > *derSz) {
WOLFSSL_MSG("Output der buffer too short");
ret = WOLFSSL_FAILURE;
goto cleanup;
}
ret = AddSignature(der, ret, x509->sig.buffer,
x509->sig.length, x509->sigOID);
}
*derSz = ret;
ret = WOLFSSL_SUCCESS;
cleanup:
/* Dispose of the public key object. */
#ifndef NO_RSA
if (x509->pubKeyOID == RSAk) {
wc_FreeRsaKey(rsa);
XFREE(rsa, NULL, DYNAMIC_TYPE_RSA);
}
#endif
#ifdef HAVE_ECC
if (x509->pubKeyOID == ECDSAk) {
wc_ecc_free(ecc);
XFREE(ecc, NULL, DYNAMIC_TYPE_ECC);
}
#endif
#ifndef NO_DSA
if (x509->pubKeyOID == DSAk) {
wc_FreeDsaKey(dsa);
XFREE(dsa, NULL, DYNAMIC_TYPE_DSA);
}
#endif
XFREE(cert, NULL, DYNAMIC_TYPE_CERT);
return ret;
}
/* signs a der buffer for the WOLFSSL_X509 structure using the PKEY and MD
* hash passed in
*
* WARNING: this free's and replaces the existing DER buffer in the
* WOLFSSL_X509 with the newly signed buffer.
* returns size of signed buffer on success and negative values on fail
*/
static int wolfSSL_X509_resign_cert(WOLFSSL_X509* x509, int req,
unsigned char* der, int derSz, int certBodySz, WOLFSSL_EVP_MD* md,
WOLFSSL_EVP_PKEY* pkey)
{
int ret;
void* key = NULL;
int type = -1;
int sigType;
WC_RNG rng;
(void)req;
WOLFSSL_ENTER("wolfSSL_X509_resign_cert");
sigType = wolfSSL_sigTypeFromPKEY(md, pkey);
if (sigType == WOLFSSL_FAILURE) {
WOLFSSL_MSG("Error getting signature type from pkey");
return WOLFSSL_FATAL_ERROR;
}
/* Get the private key object and type from pkey. */
#ifndef NO_RSA
if (pkey->type == EVP_PKEY_RSA) {
type = RSA_TYPE;
key = pkey->rsa->internal;
}
#endif
#ifdef HAVE_ECC
if (pkey->type == EVP_PKEY_EC) {
type = ECC_TYPE;
key = pkey->ecc->internal;
}
#endif
/* Sign the certificate (request) body. */
ret = wc_InitRng(&rng);
if (ret != 0)
return ret;
ret = wc_SignCert_ex(certBodySz, sigType, der, derSz, type, key, &rng);
wc_FreeRng(&rng);
if (ret < 0) {
WOLFSSL_LEAVE("wolfSSL_X509_resign_cert", ret);
return ret;
}
derSz = ret;
/* Extract signature from buffer */
{
word32 idx = 0;
int len = 0;
/* Read top level sequence */
if (GetSequence(der, &idx, &len, derSz) < 0) {
WOLFSSL_MSG("GetSequence error");
return WOLFSSL_FATAL_ERROR;
}
/* Move idx to signature */
idx += certBodySz;
/* Read signature algo sequence */
if (GetSequence(der, &idx, &len, derSz) < 0) {
WOLFSSL_MSG("GetSequence error");
return WOLFSSL_FATAL_ERROR;
}
idx += len;
/* Read signature bit string */
if (CheckBitString(der, &idx, &len, derSz, 0, NULL) != 0) {
WOLFSSL_MSG("CheckBitString error");
return WOLFSSL_FATAL_ERROR;
}
/* Sanity check */
if (idx + len != (word32)derSz) {
WOLFSSL_MSG("unexpected asn1 structure");
return WOLFSSL_FATAL_ERROR;
}
x509->sig.length = 0;
if (x509->sig.buffer)
XFREE(x509->sig.buffer, x509->heap, DYNAMIC_TYPE_SIGNATURE);
x509->sig.buffer = (byte*)XMALLOC(len, x509->heap,
DYNAMIC_TYPE_SIGNATURE);
if (!x509->sig.buffer) {
WOLFSSL_MSG("malloc error");
return WOLFSSL_FATAL_ERROR;
}
XMEMCPY(x509->sig.buffer, der + idx, len);
x509->sig.length = len;
}
/* Put in the new certificate encoding into the x509 object. */
FreeDer(&x509->derCert);
type = CERT_TYPE;
#ifdef WOLFSSL_CERT_REQ
if (req) {
type = CERTREQ_TYPE;
}
#endif
if (AllocDer(&x509->derCert, derSz, type, NULL) != 0)
return WOLFSSL_FATAL_ERROR;
XMEMCPY(x509->derCert->buffer, der, derSz);
x509->derCert->length = derSz;
return ret;
}
#ifndef WC_MAX_X509_GEN
/* able to override max size until dynamic buffer created */
#define WC_MAX_X509_GEN 4096
#endif
/* returns the size of signature on success */
int wolfSSL_X509_sign(WOLFSSL_X509* x509, WOLFSSL_EVP_PKEY* pkey,
const WOLFSSL_EVP_MD* md)
{
int ret;
/* @TODO dynamic set based on expected cert size */
byte *der = (byte *)XMALLOC(WC_MAX_X509_GEN, NULL, DYNAMIC_TYPE_TMP_BUFFER);
int derSz = WC_MAX_X509_GEN;
WOLFSSL_ENTER("wolfSSL_X509_sign");
if (x509 == NULL || pkey == NULL || md == NULL) {
ret = WOLFSSL_FAILURE;
goto out;
}
x509->sigOID = wolfSSL_sigTypeFromPKEY((WOLFSSL_EVP_MD*)md, pkey);
if ((ret = wolfssl_x509_make_der(x509, 0, der, &derSz, 0)) !=
WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Unable to make DER for X509");
WOLFSSL_LEAVE("wolfSSL_X509_sign", ret);
(void)ret;
ret = WOLFSSL_FAILURE;
goto out;
}
ret = wolfSSL_X509_resign_cert(x509, 0, der, WC_MAX_X509_GEN, derSz,
(WOLFSSL_EVP_MD*)md, pkey);
if (ret <= 0) {
WOLFSSL_LEAVE("wolfSSL_X509_sign", ret);
ret = WOLFSSL_FAILURE;
goto out;
}
out:
if (der)
XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return ret;
}
#if defined(OPENSSL_EXTRA)
int wolfSSL_X509_sign_ctx(WOLFSSL_X509 *x509, WOLFSSL_EVP_MD_CTX *ctx)
{
WOLFSSL_ENTER("wolfSSL_X509_sign_ctx");
if (!x509 || !ctx || !ctx->pctx || !ctx->pctx->pkey) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FAILURE;
}
return wolfSSL_X509_sign(x509, ctx->pctx->pkey, wolfSSL_EVP_MD_CTX_md(ctx));
}
#endif /* OPENSSL_EXTRA */
#endif /* WOLFSSL_CERT_GEN */
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \
defined(OPENSSL_EXTRA_X509_SMALL) || defined(WOLFSSL_WPAS_SMALL)
/* Converts from NID_* value to wolfSSL value if needed.
*
* @param [in] nid Numeric Id of a domain name component.
* @return Domain name tag values - wolfSSL internal values.
* @return -1 when nid isn't known.
*/
static int ConvertNIDToWolfSSL(int nid)
{
switch (nid) {
case NID_commonName : return ASN_COMMON_NAME;
#ifdef WOLFSSL_CERT_NAME_ALL
case NID_name : return ASN_NAME;
case NID_givenName: return ASN_GIVEN_NAME;
case NID_dnQualifier : return ASN_DNQUALIFIER;
case NID_initials: return ASN_INITIALS;
#endif /* WOLFSSL_CERT_NAME_ALL */
case NID_surname : return ASN_SUR_NAME;
case NID_countryName: return ASN_COUNTRY_NAME;
case NID_localityName: return ASN_LOCALITY_NAME;
case NID_stateOrProvinceName: return ASN_STATE_NAME;
case NID_streetAddress: return ASN_STREET_ADDR;
case NID_organizationName: return ASN_ORG_NAME;
case NID_organizationalUnitName: return ASN_ORGUNIT_NAME;
case NID_emailAddress: return ASN_EMAIL_NAME;
case NID_pkcs9_contentType: return ASN_CONTENT_TYPE;
case NID_serialNumber: return ASN_SERIAL_NUMBER;
case NID_userId: return ASN_USER_ID;
case NID_businessCategory: return ASN_BUS_CAT;
case NID_domainComponent: return ASN_DOMAIN_COMPONENT;
case NID_postalCode: return ASN_POSTAL_CODE;
case NID_favouriteDrink: return ASN_FAVOURITE_DRINK;
default:
WOLFSSL_MSG("Attribute NID not found");
return -1;
}
}
#endif /* OPENSSL_ALL || OPENSSL_EXTRA ||
OPENSSL_EXTRA_X509_SMALL || WOLFSSL_WPAS_SMALL*/
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
/* This is to convert the x509 name structure into canonical DER format */
/* , which has the following rules: */
/* convert to UTF8 */
/* convert to lower case */
/* multi-spaces collapsed */
/* leading SEQUENCE header is skipped */
/* @param name a pointer to X509_NAME that is to be converted */
/* @param out a pointer to converted data */
/* @return a number of converted bytes, otherwise <=0 error code */
int wolfSSL_i2d_X509_NAME_canon(WOLFSSL_X509_NAME* name, unsigned char** out)
{
int totalBytes = 0, i, idx;
byte *output, *local = NULL;
#ifdef WOLFSSL_SMALL_STACK
EncodedName* names = NULL;
#else
EncodedName names[MAX_NAME_ENTRIES];
#endif
if (name == NULL)
return BAD_FUNC_ARG;
#ifdef WOLFSSL_SMALL_STACK
names = (EncodedName*)XMALLOC(sizeof(EncodedName) * MAX_NAME_ENTRIES, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (names == NULL)
return MEMORY_E;
#endif
XMEMSET(names, 0, sizeof(EncodedName) * MAX_NAME_ENTRIES);
for (i = 0; i < MAX_NAME_ENTRIES; i++) {
WOLFSSL_X509_NAME_ENTRY* entry;
int ret;
entry = wolfSSL_X509_NAME_get_entry(name, i);
if (entry != NULL && entry->set >= 1) {
const char* nameStr;
WOLFSSL_ASN1_STRING* data;
WOLFSSL_ASN1_STRING* cano_data;
cano_data = wolfSSL_ASN1_STRING_new();
if (cano_data == NULL) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return MEMORY_E;
}
data = wolfSSL_X509_NAME_ENTRY_get_data(entry);
if (data == NULL) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
wolfSSL_ASN1_STRING_free(cano_data);
WOLFSSL_MSG("Error getting entry data");
return WOLFSSL_FATAL_ERROR;
}
if (wolfSSL_ASN1_STRING_canon(cano_data, data) != WOLFSSL_SUCCESS) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
wolfSSL_ASN1_STRING_free(cano_data);
return WOLFSSL_FAILURE;
}
nameStr = (const char*)wolfSSL_ASN1_STRING_data(cano_data);
ret = wc_EncodeNameCanonical(&names[i], nameStr, CTC_UTF8,
(byte)ConvertNIDToWolfSSL(entry->nid));
if (ret < 0) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
wolfSSL_ASN1_STRING_free(cano_data);
WOLFSSL_MSG("EncodeName failed");
return WOLFSSL_FATAL_ERROR;
}
totalBytes += ret;
wolfSSL_ASN1_STRING_free(cano_data);
}
}
if (out == NULL) {
/* If out is NULL, caller just wants length. */
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return totalBytes;
}
/* skip header */
/* check if using buffer passed in */
if (*out == NULL) {
*out = local = (unsigned char*)XMALLOC(totalBytes, NULL,
DYNAMIC_TYPE_OPENSSL);
if (*out == NULL) {
return MEMORY_E;
}
}
output = *out;
idx = 0;
for (i = 0; i < MAX_NAME_ENTRIES; i++) {
if (names[i].used) {
XMEMCPY(output + idx, names[i].encoded, names[i].totalLen);
idx += names[i].totalLen;
}
}
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
/* used existing buffer passed in, so increment pointer */
if (local == NULL) {
*out += totalBytes;
}
return totalBytes;
}
#endif /* OPENSSL_ALL || OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
#ifdef WOLFSSL_CERT_GEN
/* Guarded by either
* A) WOLFSSL_WPAS_SMALL is on or
* B) (OPENSSL_EXTRA or OPENSSL_EXTRA_X509_SMALL) + WOLFSSL_CERT_GEN +
* (WOLFSSL_CERT_REQ or WOLFSSL_CERT_EXT or OPENSSL_EXTRA) has been
* defined
*/
#if defined(WOLFSSL_WPAS_SMALL) || \
(defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)) && \
defined(WOLFSSL_CERT_GEN) && \
(defined(WOLFSSL_CERT_REQ) || defined(WOLFSSL_CERT_EXT) || \
defined(OPENSSL_EXTRA))
/* Converts the x509 name structure into DER format.
*
* out pointer to either a pre setup buffer or a pointer to null for
* creating a dynamic buffer. In the case that a pre-existing buffer is
* used out will be incremented the size of the DER buffer on success. If
* out is NULL, the function returns the necessary output buffer length.
*
* returns the size of the buffer on success, or negative value with failure
*/
int wolfSSL_i2d_X509_NAME(WOLFSSL_X509_NAME* name, unsigned char** out)
{
int totalBytes = 0, i, idx;
byte temp[MAX_SEQ_SZ];
byte *output, *local = NULL;
#ifdef WOLFSSL_SMALL_STACK
EncodedName* names = NULL;
#else
EncodedName names[MAX_NAME_ENTRIES];
#endif
if (name == NULL)
return BAD_FUNC_ARG;
#ifdef WOLFSSL_SMALL_STACK
names = (EncodedName*)XMALLOC(sizeof(EncodedName) * MAX_NAME_ENTRIES, NULL,
DYNAMIC_TYPE_TMP_BUFFER);
if (names == NULL)
return MEMORY_E;
#endif
XMEMSET(names, 0, sizeof(EncodedName) * MAX_NAME_ENTRIES);
for (i = 0; i < MAX_NAME_ENTRIES; i++) {
WOLFSSL_X509_NAME_ENTRY* entry;
int ret;
entry = wolfSSL_X509_NAME_get_entry(name, i);
if (entry != NULL && entry->set >= 1) {
const char* nameStr;
int type;
WOLFSSL_ASN1_STRING* data;
data = wolfSSL_X509_NAME_ENTRY_get_data(entry);
if (data == NULL) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
WOLFSSL_MSG("Error getting entry data");
return WOLFSSL_FATAL_ERROR;
}
nameStr = (const char*)wolfSSL_ASN1_STRING_data(data);
type = wolfSSL_ASN1_STRING_type(data);
switch (type) {
case MBSTRING_UTF8:
type = CTC_UTF8;
break;
case MBSTRING_ASC:
case V_ASN1_PRINTABLESTRING:
type = CTC_PRINTABLE;
break;
default:
WOLFSSL_MSG("Unknown encoding type conversion UTF8 by default");
type = CTC_UTF8;
}
ret = wc_EncodeName(&names[i], nameStr, (char)type,
(byte)ConvertNIDToWolfSSL(entry->nid));
if (ret < 0) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
WOLFSSL_MSG("EncodeName failed");
return WOLFSSL_FATAL_ERROR;
}
totalBytes += ret;
}
}
/* header */
idx = SetSequence(totalBytes, temp);
if (totalBytes + idx > ASN_NAME_MAX) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
WOLFSSL_MSG("Total Bytes is greater than ASN_NAME_MAX");
return BUFFER_E;
}
if (out == NULL) {
/* If out is NULL, caller just wants length. */
totalBytes += idx;
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return totalBytes;
}
/* check if using buffer passed in */
if (*out == NULL) {
*out = local = (unsigned char*)XMALLOC(totalBytes + idx, name->heap,
DYNAMIC_TYPE_OPENSSL);
if (*out == NULL) {
return MEMORY_E;
}
}
output = *out;
idx = SetSequence(totalBytes, output);
totalBytes += idx;
for (i = 0; i < MAX_NAME_ENTRIES; i++) {
if (names[i].used) {
XMEMCPY(output + idx, names[i].encoded, names[i].totalLen);
idx += names[i].totalLen;
}
}
#ifdef WOLFSSL_SMALL_STACK
XFREE(names, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
/* used existing buffer passed in, so increment pointer */
if (local == NULL) {
*out += totalBytes;
}
return totalBytes;
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#endif /* WOLFSSL_CERT_GEN */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL) || \
defined (WOLFSSL_WPAS_SMALL)
WOLFSSL_X509_NAME *wolfSSL_d2i_X509_NAME(WOLFSSL_X509_NAME **name,
unsigned char **in, long length)
{
WOLFSSL_X509_NAME* tmp = NULL;
#ifdef WOLFSSL_SMALL_STACK
DecodedCert* cert = NULL;
#else
DecodedCert cert[1];
#endif
WOLFSSL_ENTER("wolfSSL_d2i_X509_NAME");
if (!in || !*in || length <= 0) {
WOLFSSL_MSG("Bad argument");
return NULL;
}
#ifdef WOLFSSL_SMALL_STACK
cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL,
DYNAMIC_TYPE_DCERT);
if (cert == NULL) {
return NULL;
}
#endif
/* Set the X509_NAME buffer as the input data for cert.
* in is NOT a full certificate. Just the name. */
InitDecodedCert(cert, *in, (word32)length, NULL);
/* Parse the X509 subject name */
if (GetName(cert, SUBJECT, (int)length) != 0) {
WOLFSSL_MSG("WOLFSSL_X509_NAME parse error");
goto cleanup;
}
if (!(tmp = wolfSSL_X509_NAME_new_ex(cert->heap))) {
WOLFSSL_MSG("wolfSSL_X509_NAME_new_ex error");
goto cleanup;
}
if (wolfSSL_X509_NAME_copy((WOLFSSL_X509_NAME*)cert->subjectName,
tmp) != WOLFSSL_SUCCESS) {
wolfSSL_X509_NAME_free(tmp);
tmp = NULL;
goto cleanup;
}
if (name)
*name = tmp;
cleanup:
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
return tmp;
}
#endif /* OPENSSL_EXTRA || OPENSSL_ALL || WOLFSSL_WPAS_SMALL */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL)
/* Compares the two X509 names. If the size of x is larger then y then a
* positive value is returned if x is smaller a negative value is returned.
* In the case that the sizes are equal a the value of strcmp between the
* two names is returned.
*
* x First name for comparison
* y Second name to compare with x
*/
int wolfSSL_X509_NAME_cmp(const WOLFSSL_X509_NAME* x,
const WOLFSSL_X509_NAME* y)
{
const char* _x;
const char* _y;
WOLFSSL_ENTER("wolfSSL_X509_NAME_cmp");
if (x == NULL || y == NULL) {
WOLFSSL_MSG("Bad argument passed in");
return -2;
}
if (x == y) {
return 0; /* match */
}
if (x->sz != y->sz) {
return x->sz - y->sz;
}
/*
* If the name member is not set or is immediately null terminated then
* compare the staticName member
*/
_x = (x->name && *x->name) ? x->name : x->staticName;
_y = (y->name && *y->name) ? y->name : y->staticName;
return XSTRNCMP(_x, _y, x->sz); /* y sz is the same */
}
#ifndef NO_BIO
static WOLFSSL_X509 *loadX509orX509REQFromPemBio(WOLFSSL_BIO *bp,
WOLFSSL_X509 **x, wc_pem_password_cb *cb, void *u, int type)
{
WOLFSSL_X509* x509 = NULL;
#if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM)
unsigned char* pem = NULL;
int pemSz;
long i = 0, l, footerSz;
const char* footer = NULL;
WOLFSSL_ENTER("loadX509orX509REQFromPemBio");
if (bp == NULL || (type != CERT_TYPE && type != CERTREQ_TYPE)) {
WOLFSSL_LEAVE("wolfSSL_PEM_read_bio_X509", BAD_FUNC_ARG);
return NULL;
}
if ((l = wolfSSL_BIO_get_len(bp)) <= 0) {
/* No certificate in buffer */
#if defined (WOLFSSL_HAPROXY)
WOLFSSL_ERROR(PEM_R_NO_START_LINE);
#else
WOLFSSL_ERROR(ASN_NO_PEM_HEADER);
#endif
return NULL;
}
pemSz = (int)l;
pem = (unsigned char*)XMALLOC(pemSz, 0, DYNAMIC_TYPE_PEM);
if (pem == NULL)
return NULL;
XMEMSET(pem, 0, pemSz);
i = 0;
if (wc_PemGetHeaderFooter(type, NULL, &footer) != 0) {
XFREE(pem, 0, DYNAMIC_TYPE_PEM);
return NULL;
}
footerSz = (long)XSTRLEN(footer);
/* TODO: Inefficient
* reading in one byte at a time until see the footer
*/
while ((l = wolfSSL_BIO_read(bp, (char *)&pem[i], 1)) == 1) {
i++;
if (i > footerSz && XMEMCMP((char *)&pem[i-footerSz], footer,
footerSz) == 0) {
if (wolfSSL_BIO_read(bp, (char *)&pem[i], 1) == 1) {
/* attempt to read newline following footer */
i++;
if (pem[i-1] == '\r') {
/* found \r , Windows line ending is \r\n so try to read one
* more byte for \n, ignoring return value */
(void)wolfSSL_BIO_read(bp, (char *)&pem[i++], 1);
}
}
break;
}
}
if (l == 0)
WOLFSSL_ERROR(ASN_NO_PEM_HEADER);
if (i > pemSz) {
WOLFSSL_MSG("Error parsing PEM");
}
else {
pemSz = (int)i;
#ifdef WOLFSSL_CERT_REQ
if (type == CERTREQ_TYPE)
x509 = wolfSSL_X509_REQ_load_certificate_buffer(pem, pemSz,
WOLFSSL_FILETYPE_PEM);
else
#endif
x509 = wolfSSL_X509_load_certificate_buffer(pem, pemSz,
WOLFSSL_FILETYPE_PEM);
}
if (x != NULL) {
*x = x509;
}
XFREE(pem, NULL, DYNAMIC_TYPE_PEM);
#endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */
(void)bp;
(void)x;
(void)cb;
(void)u;
return x509;
}
WOLFSSL_X509 *wolfSSL_PEM_read_bio_X509(WOLFSSL_BIO *bp, WOLFSSL_X509 **x,
wc_pem_password_cb *cb, void *u)
{
return loadX509orX509REQFromPemBio(bp, x, cb, u, CERT_TYPE);
}
#ifdef WOLFSSL_CERT_REQ
WOLFSSL_X509 *wolfSSL_PEM_read_bio_X509_REQ(WOLFSSL_BIO *bp, WOLFSSL_X509 **x,
wc_pem_password_cb *cb, void *u)
{
return loadX509orX509REQFromPemBio(bp, x, cb, u, CERTREQ_TYPE);
}
#ifndef NO_FILESYSTEM
WOLFSSL_X509* wolfSSL_PEM_read_X509_REQ(XFILE fp, WOLFSSL_X509** x,
wc_pem_password_cb* cb, void* u)
{
int err = 0;
WOLFSSL_X509* ret = NULL;
WOLFSSL_BIO* bio = NULL;
WOLFSSL_ENTER("wolfSSL_PEM_read_X509_REQ");
if (fp == XBADFILE) {
WOLFSSL_MSG("Invalid file.");
err = 1;
}
if (err == 0) {
bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file());
if (bio == NULL) {
WOLFSSL_MSG("Failed to create new BIO with input file.");
err = 1;
}
}
if (err == 0 && wolfSSL_BIO_set_fp(bio, fp, BIO_CLOSE)
!= WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Failed to set BIO file pointer.");
err = 1;
}
if (err == 0) {
ret = wolfSSL_PEM_read_bio_X509_REQ(bio, x, cb, u);
}
if (bio != NULL) {
wolfSSL_BIO_free(bio);
}
return ret;
}
#endif /* !NO_FILESYSTEM */
#endif /* WOLFSSL_CERT_REQ */
WOLFSSL_X509_CRL *wolfSSL_PEM_read_bio_X509_CRL(WOLFSSL_BIO *bp,
WOLFSSL_X509_CRL **x, wc_pem_password_cb *cb, void *u)
{
#if defined(WOLFSSL_PEM_TO_DER) && defined(HAVE_CRL)
unsigned char* pem = NULL;
int pemSz;
int derSz;
DerBuffer* der = NULL;
WOLFSSL_X509_CRL* crl = NULL;
if ((pemSz = wolfSSL_BIO_get_len(bp)) <= 0) {
goto err;
}
pem = (unsigned char*)XMALLOC(pemSz, 0, DYNAMIC_TYPE_PEM);
if (pem == NULL) {
goto err;
}
if (wolfSSL_BIO_read(bp, pem, pemSz) != pemSz) {
goto err;
}
if((PemToDer(pem, pemSz, CRL_TYPE, &der, NULL, NULL, NULL)) < 0) {
goto err;
}
derSz = der->length;
if((crl = wolfSSL_d2i_X509_CRL(x, der->buffer, derSz)) == NULL) {
goto err;
}
err:
if(pem != NULL) {
XFREE(pem, 0, DYNAMIC_TYPE_PEM);
}
if(der != NULL) {
FreeDer(&der);
}
(void)cb;
(void)u;
return crl;
#else
(void)bp;
(void)x;
(void)cb;
(void)u;
return NULL;
#endif
}
#endif /* !NO_BIO */
#if !defined(NO_FILESYSTEM)
static void* wolfSSL_PEM_read_X509_ex(XFILE fp, void **x,
wc_pem_password_cb *cb, void *u, int type)
{
unsigned char* pem = NULL;
int pemSz;
long i = 0, l;
void *newx509;
int derSz;
DerBuffer* der = NULL;
WOLFSSL_ENTER("wolfSSL_PEM_read_X509");
if (fp == XBADFILE) {
WOLFSSL_LEAVE("wolfSSL_PEM_read_X509", BAD_FUNC_ARG);
return NULL;
}
/* Read cert from file */
i = XFTELL(fp);
if (i < 0) {
WOLFSSL_LEAVE("wolfSSL_PEM_read_X509", BAD_FUNC_ARG);
return NULL;
}
if (XFSEEK(fp, 0, XSEEK_END) != 0)
return NULL;
l = XFTELL(fp);
if (l < 0)
return NULL;
if (XFSEEK(fp, i, SEEK_SET) != 0)
return NULL;
pemSz = (int)(l - i);
/* check calculated length */
if (pemSz > MAX_WOLFSSL_FILE_SIZE || pemSz < 0) {
WOLFSSL_MSG("PEM_read_X509_ex file size error");
return NULL;
}
/* allocate pem buffer */
pem = (unsigned char*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_PEM);
if (pem == NULL)
return NULL;
if ((int)XFREAD((char *)pem, 1, pemSz, fp) != pemSz)
goto err_exit;
switch (type) {
case CERT_TYPE:
newx509 = (void *)wolfSSL_X509_load_certificate_buffer(pem,
pemSz, WOLFSSL_FILETYPE_PEM);
break;
#ifdef HAVE_CRL
case CRL_TYPE:
if ((PemToDer(pem, pemSz, CRL_TYPE, &der, NULL, NULL, NULL)) < 0)
goto err_exit;
derSz = der->length;
newx509 = (void*)wolfSSL_d2i_X509_CRL((WOLFSSL_X509_CRL **)x,
(const unsigned char *)der->buffer, derSz);
if (newx509 == NULL)
goto err_exit;
FreeDer(&der);
break;
#endif
default:
goto err_exit;
}
if (x != NULL) {
*x = newx509;
}
XFREE(pem, NULL, DYNAMIC_TYPE_PEM);
return newx509;
err_exit:
if (pem != NULL)
XFREE(pem, NULL, DYNAMIC_TYPE_PEM);
if (der != NULL)
FreeDer(&der);
/* unused */
(void)cb;
(void)u;
(void)derSz;
return NULL;
}
WOLFSSL_API WOLFSSL_X509* wolfSSL_PEM_read_X509(XFILE fp, WOLFSSL_X509 **x,
wc_pem_password_cb *cb,
void *u)
{
return (WOLFSSL_X509* )wolfSSL_PEM_read_X509_ex(fp, (void **)x, cb, u, CERT_TYPE);
}
#if defined(HAVE_CRL)
WOLFSSL_API WOLFSSL_X509_CRL* wolfSSL_PEM_read_X509_CRL(XFILE fp, WOLFSSL_X509_CRL **crl,
wc_pem_password_cb *cb, void *u)
{
return (WOLFSSL_X509_CRL* )wolfSSL_PEM_read_X509_ex(fp, (void **)crl, cb, u, CRL_TYPE);
}
#endif
#ifdef WOLFSSL_CERT_GEN
#ifndef NO_BIO
int wolfSSL_PEM_write_X509(XFILE fp, WOLFSSL_X509* x)
{
int ret;
WOLFSSL_BIO* bio;
if (x == NULL)
return 0;
bio = wolfSSL_BIO_new(wolfSSL_BIO_s_file());
if (bio == NULL)
return 0;
if (wolfSSL_BIO_set_fp(bio, fp, BIO_NOCLOSE) != WOLFSSL_SUCCESS) {
wolfSSL_BIO_free(bio);
bio = NULL;
}
ret = wolfSSL_PEM_write_bio_X509(bio, x);
if (bio != NULL)
wolfSSL_BIO_free(bio);
return ret;
}
#endif /* !NO_BIO */
#endif /* WOLFSSL_CERT_GEN */
#endif /* !NO_FILESYSTEM */
#endif /* OPENSSL_EXTRA || OPENSSL_ALL */
#ifdef OPENSSL_ALL
#ifndef NO_BIO
/* create and return a new WOLFSSL_X509_PKEY structure or NULL on failure */
static WOLFSSL_X509_PKEY* wolfSSL_X509_PKEY_new(void* heap)
{
WOLFSSL_X509_PKEY* ret;
ret = (WOLFSSL_X509_PKEY*)XMALLOC(sizeof(WOLFSSL_X509_PKEY), heap,
DYNAMIC_TYPE_KEY);
if (ret != NULL) {
XMEMSET(ret, 0, sizeof(WOLFSSL_X509_PKEY));
ret->heap = heap;
}
return ret;
}
#endif /* !NO_BIO */
/* free up all memory used by "xPkey" passed in */
static void wolfSSL_X509_PKEY_free(WOLFSSL_X509_PKEY* xPkey)
{
if (xPkey != NULL) {
wolfSSL_EVP_PKEY_free(xPkey->dec_pkey);
XFREE(xPkey, xPkey->heap, DYNAMIC_TYPE_KEY);
}
}
#ifndef NO_BIO
#define PEM_COMPARE_HEADER(start, end, header) \
((end) - (start) == XSTR_SIZEOF(header) && XMEMCMP(start, header, \
XSTR_SIZEOF(header)) == 0)
/**
* This read one structure from bio and returns the read structure
* in the appropriate output parameter (x509, crl, x_pkey). The
* output parameters must be set to NULL.
* @param bio Input for reading structures
* @param cb Password callback
* @param x509 Output
* @param crl Output
* @param x_pkey Output
* @return WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE otherwise
*/
static int wolfSSL_PEM_X509_X509_CRL_X509_PKEY_read_bio(
WOLFSSL_BIO* bio, wc_pem_password_cb* cb, WOLFSSL_X509** x509,
WOLFSSL_X509_CRL** crl, WOLFSSL_X509_PKEY** x_pkey)
{
#if defined(WOLFSSL_PEM_TO_DER) || defined(WOLFSSL_DER_TO_PEM)
char* pem = NULL;
long i = pem_struct_min_sz, l;
const char* header = NULL;
const char* headerEnd = NULL;
const char* footer = NULL;
const char* footerEnd = NULL;
#ifdef HAVE_CRL
DerBuffer* der = NULL;
#endif
WOLFSSL_BIO* pemBio = NULL;
if (!bio || !x509 || *x509 || !crl || *crl || !x_pkey || *x_pkey) {
WOLFSSL_MSG("Bad input parameter or output parameters "
"not set to a NULL value.");
return WOLFSSL_FAILURE;
}
if ((l = wolfSSL_BIO_get_len(bio)) <= 0) {
/* No certificate in buffer */
WOLFSSL_ERROR(ASN_NO_PEM_HEADER);
return WOLFSSL_FAILURE;
}
pem = (char*)XMALLOC(l, 0, DYNAMIC_TYPE_PEM);
if (pem == NULL)
return WOLFSSL_FAILURE;
if (wolfSSL_BIO_read(bio, &pem[0], pem_struct_min_sz) !=
pem_struct_min_sz) {
WOLFSSL_ERROR(ASN_NO_PEM_HEADER);
goto err;
}
/* Read the header and footer */
while (i < l && wolfSSL_BIO_read(bio, &pem[i], 1) == 1) {
i++;
if (!header) {
header = XSTRNSTR(pem, "-----BEGIN ", (unsigned int)i);
}
else if (!headerEnd) {
headerEnd = XSTRNSTR(header + XSTR_SIZEOF("-----BEGIN "),
"-----",
(unsigned int)
(i - (header + XSTR_SIZEOF("-----BEGIN ") - pem)));
if (headerEnd) {
headerEnd += XSTR_SIZEOF("-----");
/* Read in the newline */
if (wolfSSL_BIO_read(bio, &pem[i], 1) != 1) {
WOLFSSL_MSG("wolfSSL_BIO_read error");
goto err;
}
i++;
if (*headerEnd != '\n' && *headerEnd != '\r') {
WOLFSSL_MSG("Missing newline after header");
goto err;
}
}
}
else if (!footer) {
footer = XSTRNSTR(headerEnd, "-----END ",
(unsigned int)(i - (headerEnd - pem)));
}
else if (!footerEnd) {
footerEnd = XSTRNSTR(footer + XSTR_SIZEOF("-----"),
"-----", (unsigned int)(i -
(footer + XSTR_SIZEOF("-----") - pem)));
if (footerEnd) {
footerEnd += XSTR_SIZEOF("-----");
/* Now check that footer matches header */
if ((headerEnd - (header + XSTR_SIZEOF("-----BEGIN "))) ==
(footerEnd - (footer + XSTR_SIZEOF("-----END "))) &&
XMEMCMP(header + XSTR_SIZEOF("-----BEGIN "),
footer + XSTR_SIZEOF("-----END "),
headerEnd - (header + XSTR_SIZEOF("-----BEGIN ")))
!= 0) {
WOLFSSL_MSG("Header and footer don't match");
goto err;
}
/* header and footer match */
break;
}
}
}
if (!footerEnd) {
/* Only check footerEnd since it is set last */
WOLFSSL_ERROR(ASN_NO_PEM_HEADER);
goto err;
}
else {
if (PEM_COMPARE_HEADER(header, headerEnd,
"-----BEGIN CERTIFICATE-----")) {
/* We have a certificate */
WOLFSSL_MSG("Parsing x509 cert");
*x509 = wolfSSL_X509_load_certificate_buffer(
(const unsigned char*) header,
(int)(footerEnd - header), WOLFSSL_FILETYPE_PEM);
if (!*x509) {
WOLFSSL_MSG("wolfSSL_X509_load_certificate_buffer error");
goto err;
}
}
#ifdef HAVE_CRL
else if (PEM_COMPARE_HEADER(header, headerEnd,
"-----BEGIN X509 CRL-----")) {
/* We have a crl */
WOLFSSL_MSG("Parsing crl");
if((PemToDer((const unsigned char*) header, footerEnd - header,
CRL_TYPE, &der, NULL, NULL, NULL)) < 0) {
WOLFSSL_MSG("PemToDer error");
goto err;
}
*crl = wolfSSL_d2i_X509_CRL(NULL, der->buffer, der->length);
if (!*crl) {
WOLFSSL_MSG("wolfSSL_d2i_X509_CRL error");
goto err;
}
}
#endif
else {
WOLFSSL_MSG("Parsing x509 key");
if (!(*x_pkey = wolfSSL_X509_PKEY_new(NULL))) {
WOLFSSL_MSG("wolfSSL_X509_PKEY_new error");
goto err;
}
if (!(pemBio = wolfSSL_BIO_new(wolfSSL_BIO_s_mem()))) {
WOLFSSL_MSG("wolfSSL_BIO_new error");
goto err;
}
if (wolfSSL_BIO_write(pemBio, header,
(int)(footerEnd - header)) != footerEnd - header) {
WOLFSSL_MSG("wolfSSL_BIO_new error");
goto err;
}
if (wolfSSL_PEM_read_bio_PrivateKey(pemBio,
&(*x_pkey)->dec_pkey, cb, NULL) == NULL) {
WOLFSSL_MSG("wolfSSL_PEM_read_bio_PrivateKey error");
goto err;
}
wolfSSL_BIO_free(pemBio);
}
}
XFREE(pem, 0, DYNAMIC_TYPE_PEM);
#ifdef HAVE_CRL
if (der)
FreeDer(&der);
#endif
return WOLFSSL_SUCCESS;
err:
if (pem)
XFREE(pem, 0, DYNAMIC_TYPE_PEM);
#ifdef HAVE_CRL
if (der)
FreeDer(&der);
#endif
if (*x_pkey) {
wolfSSL_X509_PKEY_free(*x_pkey);
*x_pkey = NULL;
}
if (pemBio)
wolfSSL_BIO_free(pemBio);
return WOLFSSL_FAILURE;
#else /* ! (WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM) */
return WOLFSSL_FAILURE;
#endif /* WOLFSSL_PEM_TO_DER || WOLFSSL_DER_TO_PEM */
}
#ifndef NO_FILESYSTEM
WOLF_STACK_OF(WOLFSSL_X509_INFO)* wolfSSL_PEM_X509_INFO_read(
XFILE fp, WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk,
pem_password_cb* cb, void* u)
{
WOLFSSL_BIO* fileBio = wolfSSL_BIO_new_fp(fp, BIO_NOCLOSE);
WOLF_STACK_OF(WOLFSSL_X509_INFO)* ret = NULL;
WOLFSSL_ENTER("wolfSSL_PEM_X509_INFO_read");
if (fileBio != NULL) {
ret = wolfSSL_PEM_X509_INFO_read_bio(fileBio, sk, cb, u);
wolfSSL_BIO_free(fileBio);
}
return ret;
}
#endif /* !NO_FILESYSTEM */
/*
* bio WOLFSSL_BIO to read certificates from
* sk possible stack to push more X509_INFO structs to. Can be NULL
* cb callback password for encrypted PEM certificates
* u user input such as password
*
* returns stack on success and NULL or default stack passed in on fail
*/
WOLF_STACK_OF(WOLFSSL_X509_INFO)* wolfSSL_PEM_X509_INFO_read_bio(
WOLFSSL_BIO* bio, WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk,
wc_pem_password_cb* cb, void* u)
{
WOLF_STACK_OF(WOLFSSL_X509_INFO)* localSk = NULL;
int ret = WOLFSSL_SUCCESS;
WOLFSSL_X509_INFO* current = NULL;
WOLFSSL_X509* x509 = NULL;
WOLFSSL_X509_CRL* crl = NULL;
WOLFSSL_X509_PKEY* x_pkey = NULL;
(void)u;
WOLFSSL_ENTER("wolfSSL_PEM_X509_INFO_read_bio");
/* attempt to use passed in stack or create a new one */
if (sk != NULL) {
localSk = sk;
}
else {
localSk = wolfSSL_sk_X509_INFO_new_null();
}
if (localSk == NULL) {
WOLFSSL_LEAVE("wolfSSL_PEM_X509_INFO_read_bio",
MEMORY_E);
return NULL;
}
/* parse through BIO and push new info's found onto stack */
while (1) {
x509 = NULL;
crl = NULL;
x_pkey = NULL;
if (wolfSSL_PEM_X509_X509_CRL_X509_PKEY_read_bio(bio, cb,
&x509, &crl, &x_pkey) == WOLFSSL_SUCCESS) {
if (current == NULL ||
(x509 && current->x509) ||
(crl && current->crl) ||
(x_pkey && current->x_pkey)) {
/* Need to create new current since existing one already
* has the member filled or this is the first successful
* read. */
current = wolfSSL_X509_INFO_new();
if (current == NULL) {
ret = MEMORY_E;
break;
}
if (wolfSSL_sk_X509_INFO_push(localSk, current) !=
WOLFSSL_SUCCESS) {
wolfSSL_X509_INFO_free(current);
current = NULL;
ret = WOLFSSL_FAILURE;
break;
}
}
if (x509) {
current->x509 = x509;
}
else if (crl) {
current->crl = crl;
}
else if (x_pkey) {
current->x_pkey = x_pkey;
}
else {
WOLFSSL_MSG("No output parameters set");
ret = WOLFSSL_FAILURE;
break;
}
}
else {
#ifdef WOLFSSL_HAVE_ERROR_QUEUE
unsigned long err;
CLEAR_ASN_NO_PEM_HEADER_ERROR(err);
if (ERR_GET_LIB(err) != ERR_LIB_PEM ||
ERR_GET_REASON(err) != PEM_R_NO_START_LINE) {
ret = WOLFSSL_FAILURE;
}
#else
if (wolfSSL_sk_X509_INFO_num(localSk) > 0) {
WOLFSSL_MSG("At least one X509_INFO object on stack."
"Assuming error means EOF or no more PEM"
"headers found.");
}
else {
ret = WOLFSSL_FAILURE;
}
#endif
break;
}
}
if (ret != WOLFSSL_SUCCESS ||
wolfSSL_sk_X509_INFO_num(localSk) == 0) {
/* current should always be pushed onto the localsk stack at this
* point. The only case when it isn't is when
* wolfSSL_sk_X509_INFO_push fails but in that case the current
* free is handled inside the loop. */
if (localSk != sk) {
wolfSSL_sk_pop_free(localSk, NULL);
}
wolfSSL_X509_free(x509);
#ifdef HAVE_CRL
wolfSSL_X509_CRL_free(crl);
#endif
wolfSSL_X509_PKEY_free(x_pkey);
localSk = NULL;
}
WOLFSSL_LEAVE("wolfSSL_PEM_X509_INFO_read_bio", ret);
return localSk;
}
#endif /* !NO_BIO */
#endif /* OPENSSL_ALL */
void wolfSSL_X509_NAME_ENTRY_free(WOLFSSL_X509_NAME_ENTRY* ne)
{
WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_free");
if (ne != NULL) {
wolfSSL_ASN1_OBJECT_free(ne->object);
if (ne->value != NULL) {
wolfSSL_ASN1_STRING_free(ne->value);
}
XFREE(ne, NULL, DYNAMIC_TYPE_NAME_ENTRY);
}
}
WOLFSSL_X509_NAME_ENTRY* wolfSSL_X509_NAME_ENTRY_new(void)
{
WOLFSSL_X509_NAME_ENTRY* ne;
ne = (WOLFSSL_X509_NAME_ENTRY*)XMALLOC(sizeof(WOLFSSL_X509_NAME_ENTRY),
NULL, DYNAMIC_TYPE_NAME_ENTRY);
if (ne != NULL) {
XMEMSET(ne, 0, sizeof(WOLFSSL_X509_NAME_ENTRY));
}
return ne;
}
static void wolfssl_x509_name_entry_set(WOLFSSL_X509_NAME_ENTRY* ne,
int nid, int type, const unsigned char *data, int dataSz)
{
WOLFSSL_ASN1_OBJECT* object;
ne->nid = nid;
/* Reuse the object if already available. */
object = wolfSSL_OBJ_nid2obj_ex(nid, ne->object);
if (object != NULL) {
/* Set the object when no error. */
ne->object = object;
}
ne->value = wolfSSL_ASN1_STRING_type_new(type);
if (ne->value != NULL) {
if (wolfSSL_ASN1_STRING_set(ne->value, (const void*)data,
dataSz) == WOLFSSL_SUCCESS) {
ne->set = 1;
}
else {
/* Free the ASN1_STRING if it is not set. */
wolfSSL_ASN1_STRING_free(ne->value);
ne->value = NULL;
}
}
}
/* Create a new WOLFSSL_X509_NAME_ENTRY structure based on the text passed
* in. Returns NULL on failure */
WOLFSSL_X509_NAME_ENTRY* wolfSSL_X509_NAME_ENTRY_create_by_txt(
WOLFSSL_X509_NAME_ENTRY **neIn, const char *txt, int type,
const unsigned char *data, int dataSz)
{
int nid = -1;
WOLFSSL_X509_NAME_ENTRY* ne = NULL;
WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_create_by_txt");
if (txt == NULL) {
return NULL;
}
if (neIn != NULL) {
ne = *neIn;
}
nid = wolfSSL_OBJ_txt2nid(txt);
if (nid == NID_undef) {
WOLFSSL_MSG("Unable to find text");
ne = NULL;
}
else {
if (ne == NULL) {
ne = wolfSSL_X509_NAME_ENTRY_new();
if (ne == NULL) {
return NULL;
}
}
wolfssl_x509_name_entry_set(ne, nid, type, data, dataSz);
}
return ne;
}
/* Creates a new entry given the NID, type, and data
* "dataSz" is number of bytes in data, if set to -1 then XSTRLEN is used
* "out" can be used to store the new entry data in an existing structure
* if NULL then a new WOLFSSL_X509_NAME_ENTRY structure is created
* returns a pointer to WOLFSSL_X509_NAME_ENTRY on success and NULL on fail
*/
WOLFSSL_X509_NAME_ENTRY* wolfSSL_X509_NAME_ENTRY_create_by_NID(
WOLFSSL_X509_NAME_ENTRY** out, int nid, int type,
const unsigned char* data, int dataSz)
{
WOLFSSL_X509_NAME_ENTRY* ne;
#ifdef WOLFSSL_DEBUG_OPENSSL
WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_create_by_NID");
#endif
if (!data) {
WOLFSSL_MSG("Bad parameter");
return NULL;
}
if (out == NULL || *out == NULL) {
ne = wolfSSL_X509_NAME_ENTRY_new();
if (ne == NULL) {
return NULL;
}
if (out != NULL) {
*out = ne;
}
}
else {
ne = *out;
}
wolfssl_x509_name_entry_set(ne, nid, type, data, dataSz);
return ne;
}
#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \
defined(HAVE_LIGHTY) || defined(WOLFSSL_MYSQL_COMPATIBLE) || \
defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || \
defined(HAVE_POCO_LIB) || defined(WOLFSSL_HAPROXY)
WOLFSSL_ASN1_OBJECT* wolfSSL_X509_NAME_ENTRY_get_object(
WOLFSSL_X509_NAME_ENTRY *ne)
{
WOLFSSL_ASN1_OBJECT* object = NULL;
#ifdef WOLFSSL_DEBUG_OPENSSL
WOLFSSL_ENTER("wolfSSL_X509_NAME_ENTRY_get_object");
#endif
if (ne != NULL) {
/* Create object from nid - reuse existing object if possible. */
object = wolfSSL_OBJ_nid2obj_ex(ne->nid, ne->object);
if (object != NULL) {
/* Set the object when no error. */
ne->object = object;
}
}
return object;
}
#endif /* OPENSSL_ALL || HAVE_LIGHTY || WOLFSSL_MYSQL_COMPATIBLE ||
* HAVE_STUNNEL || WOLFSSL_NGINX || HAVE_POCO_LIB || WOLFSSL_HAPROXY */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
/* add all entry of type "nid" to the buffer "fullName" and advance "idx"
* since number of entries is small, a brute force search is used here
* returns the number of entries added
*/
static int AddAllEntry(WOLFSSL_X509_NAME* name, char* fullName,
int fullNameSz, int* idx)
{
int i;
int ret = 0;
for (i = 0; i < MAX_NAME_ENTRIES; i++) {
if (name->entry[i].set) {
WOLFSSL_X509_NAME_ENTRY* e;
WOLFSSL_ASN1_OBJECT* obj;
int sz;
unsigned char* data;
e = &name->entry[i];
obj = wolfSSL_X509_NAME_ENTRY_get_object(e);
if (obj == NULL) {
return BAD_FUNC_ARG;
}
XMEMCPY(fullName + *idx, "/", 1); *idx = *idx + 1;
sz = (int)XSTRLEN(obj->sName);
XMEMCPY(fullName + *idx, obj->sName, sz);
*idx += sz;
XMEMCPY(fullName + *idx, "=", 1); *idx = *idx + 1;
data = wolfSSL_ASN1_STRING_data(e->value);
if (data != NULL) {
sz = (int)XSTRLEN((const char*)data);
XMEMCPY(fullName + *idx, data, sz);
*idx += sz;
}
ret++;
}
}
(void)fullNameSz;
return ret;
}
/* Converts a list of entries in WOLFSSL_X509_NAME struct into a string
* returns 0 on success */
static int RebuildFullName(WOLFSSL_X509_NAME* name)
{
int totalLen = 0, i, idx, entryCount = 0;
char* fullName;
if (name == NULL)
return BAD_FUNC_ARG;
for (i = 0; i < MAX_NAME_ENTRIES; i++) {
if (name->entry[i].set) {
WOLFSSL_X509_NAME_ENTRY* e;
WOLFSSL_ASN1_OBJECT* obj;
e = &name->entry[i];
obj = wolfSSL_X509_NAME_ENTRY_get_object(e);
if (obj == NULL)
return BAD_FUNC_ARG;
totalLen += (int)XSTRLEN(obj->sName) + 2;/*+2 for '/' and '=' */
totalLen += wolfSSL_ASN1_STRING_length(e->value);
}
}
fullName = (char*)XMALLOC(totalLen + 1, name->heap, DYNAMIC_TYPE_X509);
if (fullName == NULL)
return MEMORY_E;
idx = 0;
entryCount = AddAllEntry(name, fullName, totalLen, &idx);
if (entryCount < 0) {
XFREE(fullName, name->heap, DYNAMIC_TYPE_X509);
return entryCount;
}
if (name->dynamicName) {
XFREE(name->name, name->heap, DYNAMIC_TYPE_X509);
}
fullName[idx] = '\0';
name->name = fullName;
name->dynamicName = 1;
name->sz = idx + 1; /* size includes null terminator */
name->entrySz = entryCount;
return 0;
}
/* Copies entry into name. With it being copied freeing entry becomes the
* callers responsibility.
* returns 1 for success and 0 for error */
int wolfSSL_X509_NAME_add_entry(WOLFSSL_X509_NAME* name,
WOLFSSL_X509_NAME_ENTRY* entry, int idx, int set)
{
WOLFSSL_X509_NAME_ENTRY* current = NULL;
int ret, i;
#ifdef WOLFSSL_DEBUG_OPENSSL
WOLFSSL_ENTER("wolfSSL_X509_NAME_add_entry");
#endif
if (name == NULL || entry == NULL || entry->value == NULL) {
WOLFSSL_MSG("NULL argument passed in");
return WOLFSSL_FAILURE;
}
if (idx >= 0) {
/* place in specific index */
if (idx >= MAX_NAME_ENTRIES) {
WOLFSSL_MSG("Error index to insert entry is larger than array");
return WOLFSSL_FAILURE;
}
i = idx;
}
else {
/* iterate through and find first open spot */
for (i = 0; i < MAX_NAME_ENTRIES; i++) {
if (name->entry[i].set != 1) { /* not set so overwritten */
WOLFSSL_MSG("Found place for name entry");
break;
}
}
if (i == MAX_NAME_ENTRIES) {
WOLFSSL_MSG("No spot found for name entry");
return WOLFSSL_FAILURE;
}
}
current = &name->entry[i];
if (current->set == 0)
name->entrySz++;
if (wolfSSL_X509_NAME_ENTRY_create_by_NID(&current,
entry->nid,
wolfSSL_ASN1_STRING_type(entry->value),
wolfSSL_ASN1_STRING_data(entry->value),
wolfSSL_ASN1_STRING_length(entry->value)) != NULL)
{
ret = WOLFSSL_SUCCESS;
#ifdef OPENSSL_ALL
if (name->entries == NULL) {
name->entries = wolfSSL_sk_X509_NAME_new(NULL);
}
if (wolfSSL_sk_X509_NAME_ENTRY_push(name->entries, current
) != WOLFSSL_SUCCESS) {
ret = WOLFSSL_FAILURE;
}
#endif
}
else {
ret = WOLFSSL_FAILURE;
}
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("Error adding the name entry");
if (current->set == 0)
name->entrySz--;
return WOLFSSL_FAILURE;
}
if (RebuildFullName(name) != 0)
return WOLFSSL_FAILURE;
(void)set;
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_NAME_add_entry_by_txt(WOLFSSL_X509_NAME *name,
const char *field, int type,
const unsigned char *bytes, int len,
int loc, int set)
{
int ret = WOLFSSL_FAILURE;
int nid;
WOLFSSL_X509_NAME_ENTRY* entry;
(void)type;
WOLFSSL_ENTER("wolfSSL_X509_NAME_add_entry_by_txt");
if (name == NULL || field == NULL)
return WOLFSSL_FAILURE;
if ((nid = wolfSSL_OBJ_txt2nid(field)) == NID_undef) {
WOLFSSL_MSG("Unable convert text to NID");
return WOLFSSL_FAILURE;
}
entry = wolfSSL_X509_NAME_ENTRY_create_by_NID(NULL,
nid, type, (unsigned char*)bytes, len);
if (entry == NULL)
return WOLFSSL_FAILURE;
ret = wolfSSL_X509_NAME_add_entry(name, entry, loc, set);
wolfSSL_X509_NAME_ENTRY_free(entry);
return ret;
}
int wolfSSL_X509_NAME_add_entry_by_NID(WOLFSSL_X509_NAME *name, int nid,
int type, const unsigned char *bytes,
int len, int loc, int set)
{
int ret;
WOLFSSL_X509_NAME_ENTRY* entry;
WOLFSSL_ENTER("wolfSSL_X509_NAME_add_entry_by_NID");
entry = wolfSSL_X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes,
len);
if (entry == NULL)
return WOLFSSL_FAILURE;
ret = wolfSSL_X509_NAME_add_entry(name, entry, loc, set);
wolfSSL_X509_NAME_ENTRY_free(entry);
return ret;
}
WOLFSSL_X509_NAME_ENTRY *wolfSSL_X509_NAME_delete_entry(
WOLFSSL_X509_NAME *name, int loc)
{
WOLFSSL_X509_NAME_ENTRY* ret;
WOLFSSL_ENTER("wolfSSL_X509_NAME_delete_entry");
if (!name) {
WOLFSSL_MSG("Bad parameter");
return NULL;
}
ret = wolfSSL_X509_NAME_get_entry(name, loc);
if (!ret) {
WOLFSSL_MSG("loc entry not found");
return NULL;
}
name->entry[loc].set = 0;
return ret;
}
#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
#if defined(OPENSSL_EXTRA) && !defined(NO_ASN)
int wolfSSL_X509_NAME_get_index_by_OBJ(WOLFSSL_X509_NAME *name,
const WOLFSSL_ASN1_OBJECT *obj,
int idx) {
if (!name || idx >= MAX_NAME_ENTRIES ||
!obj || !obj->obj) {
return -1;
}
if (idx < 0) {
idx = -1;
}
for (idx++; idx < MAX_NAME_ENTRIES; idx++) {
/* Find index of desired name */
if (name->entry[idx].set) {
if (XSTRLEN(obj->sName) == XSTRLEN(name->entry[idx].object->sName) &&
XSTRNCMP((const char*) obj->sName,
name->entry[idx].object->sName, obj->objSz - 1) == 0) {
return idx;
}
}
}
return -1;
}
#endif
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \
defined(OPENSSL_EXTRA_X509_SMALL)
/* returns a pointer to the internal entry at location 'loc' on success,
* a null pointer is returned in fail cases */
WOLFSSL_X509_NAME_ENTRY *wolfSSL_X509_NAME_get_entry(
WOLFSSL_X509_NAME *name, int loc)
{
#ifdef WOLFSSL_DEBUG_OPENSSL
WOLFSSL_ENTER("wolfSSL_X509_NAME_get_entry");
#endif
if (name == NULL) {
return NULL;
}
if (loc < 0 || loc >= MAX_NAME_ENTRIES) {
WOLFSSL_MSG("Bad argument");
return NULL;
}
if (name->entry[loc].set) {
#ifdef WOLFSSL_PYTHON
/* "set" is not only flag use, but also stack index position use in
* OpenSSL. Python makes tuple based on this number. Therefore,
* updating "set" by position + 1. "plus 1" means to avoid "not set"
* zero.
*/
name->entry[loc].set = loc + 1;
#endif
return &name->entry[loc];
}
else {
return NULL;
}
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#ifdef OPENSSL_EXTRA
int wolfSSL_X509_check_private_key(WOLFSSL_X509 *x509, WOLFSSL_EVP_PKEY *key)
{
WOLFSSL_ENTER("wolfSSL_X509_check_private_key");
if (!x509 || !key) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FAILURE;
}
#ifndef NO_CHECK_PRIVATE_KEY
return wc_CheckPrivateKey((byte*)key->pkey.ptr, key->pkey_sz,
x509->pubKey.buffer, x509->pubKey.length,
(enum Key_Sum)x509->pubKeyOID) == 1 ?
WOLFSSL_SUCCESS : WOLFSSL_FAILURE;
#else
/* not compiled in */
return WOLFSSL_SUCCESS;
#endif
}
#endif /* OPENSSL_EXTRA */
#if defined(HAVE_LIGHTY) || defined(HAVE_STUNNEL) \
|| defined(WOLFSSL_MYSQL_COMPATIBLE) || defined(OPENSSL_EXTRA)
#ifndef NO_BIO
#ifdef WOLFSSL_CERT_GEN
#ifdef WOLFSSL_CERT_REQ
/* writes the x509 from x to the WOLFSSL_BIO bp
*
* returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on fail
*/
int wolfSSL_PEM_write_bio_X509_REQ(WOLFSSL_BIO *bp, WOLFSSL_X509 *x)
{
byte* pem;
int pemSz = 0;
const unsigned char* der;
int derSz;
int ret;
WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509_REQ");
if (x == NULL || bp == NULL) {
return WOLFSSL_FAILURE;
}
der = wolfSSL_X509_get_der(x, &derSz);
if (der == NULL) {
return WOLFSSL_FAILURE;
}
/* get PEM size */
pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERTREQ_TYPE);
if (pemSz < 0) {
return WOLFSSL_FAILURE;
}
/* create PEM buffer and convert from DER */
pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (pem == NULL) {
return WOLFSSL_FAILURE;
}
if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERTREQ_TYPE) < 0) {
XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
/* write the PEM to BIO */
ret = wolfSSL_BIO_write(bp, pem, pemSz);
XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (ret <= 0) return WOLFSSL_FAILURE;
return WOLFSSL_SUCCESS;
}
#endif /* WOLFSSL_CERT_REQ */
/* writes the x509 from x to the WOLFSSL_BIO bp
*
* returns WOLFSSL_SUCCESS on success and WOLFSSL_FAILURE on fail
*/
int wolfSSL_PEM_write_bio_X509_AUX(WOLFSSL_BIO *bp, WOLFSSL_X509 *x)
{
byte* pem;
int pemSz = 0;
const unsigned char* der;
int derSz;
int ret;
WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509_AUX");
if (bp == NULL || x == NULL) {
WOLFSSL_MSG("NULL argument passed in");
return WOLFSSL_FAILURE;
}
der = wolfSSL_X509_get_der(x, &derSz);
if (der == NULL) {
return WOLFSSL_FAILURE;
}
/* get PEM size */
pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERT_TYPE);
if (pemSz < 0) {
return WOLFSSL_FAILURE;
}
/* create PEM buffer and convert from DER */
pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (pem == NULL) {
return WOLFSSL_FAILURE;
}
if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERT_TYPE) < 0) {
XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
/* write the PEM to BIO */
ret = wolfSSL_BIO_write(bp, pem, pemSz);
XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (ret <= 0) return WOLFSSL_FAILURE;
return WOLFSSL_SUCCESS;
}
int wolfSSL_PEM_write_bio_X509(WOLFSSL_BIO *bio, WOLFSSL_X509 *cert)
{
byte* pem = NULL;
int pemSz = 0;
/* Get large buffer to hold cert der */
const byte* der = NULL;
int derSz = X509_BUFFER_SZ;
int ret;
WOLFSSL_ENTER("wolfSSL_PEM_write_bio_X509");
if (bio == NULL || cert == NULL) {
WOLFSSL_MSG("NULL argument passed in");
return WOLFSSL_FAILURE;
}
/* Do not call wolfssl_x509_make_der() here. If we did, then need to re-sign
* because we don't know the original order of the extensions and so we must
* assume our extensions are in a different order, thus need to re-sign. */
der = wolfSSL_X509_get_der(cert, &derSz);
if (der == NULL) {
goto error;
}
/* get PEM size */
pemSz = wc_DerToPemEx(der, derSz, NULL, 0, NULL, CERT_TYPE);
if (pemSz < 0) {
goto error;
}
/* create PEM buffer and convert from DER */
pem = (byte*)XMALLOC(pemSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (pem == NULL) {
goto error;
}
if (wc_DerToPemEx(der, derSz, pem, pemSz, NULL, CERT_TYPE) < 0) {
goto error;
}
/* write the PEM to BIO */
ret = wolfSSL_BIO_write(bio, pem, pemSz);
XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (ret <= 0) return WOLFSSL_FAILURE;
return WOLFSSL_SUCCESS;
error:
if (pem)
XFREE(pem, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
#endif /* WOLFSSL_CERT_GEN */
#endif /* !NO_BIO */
#endif /* HAVE_LIGHTY || HAVE_STUNNEL || WOLFSSL_MYSQL_COMPATIBLE */
#if defined(OPENSSL_EXTRA) || defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || \
defined(HAVE_LIGHTY) || defined(WOLFSSL_HAPROXY) || \
defined(WOLFSSL_OPENSSH) || defined(HAVE_SBLIM_SFCB)
WOLF_STACK_OF(WOLFSSL_X509_NAME)* wolfSSL_sk_X509_NAME_new(
WOLF_SK_COMPARE_CB(WOLFSSL_X509_NAME, cb))
{
WOLFSSL_STACK* sk;
(void)cb;
WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_new");
sk = wolfSSL_sk_new_node(NULL);
if (sk != NULL) {
sk->type = STACK_TYPE_X509_NAME;
}
return sk;
}
int wolfSSL_sk_X509_NAME_num(const WOLF_STACK_OF(WOLFSSL_X509_NAME) *sk)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_num");
if (sk == NULL)
return BAD_FUNC_ARG;
return (int)sk->num;
}
/* Getter function for WOLFSSL_X509_NAME pointer
*
* sk is the stack to retrieve pointer from
* i is the index value in stack
*
* returns a pointer to a WOLFSSL_X509_NAME structure on success and NULL on
* fail
*/
WOLFSSL_X509_NAME* wolfSSL_sk_X509_NAME_value(const STACK_OF(WOLFSSL_X509_NAME)* sk,
int i)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_value");
return (WOLFSSL_X509_NAME*)wolfSSL_sk_value(sk, i);
}
WOLFSSL_X509_NAME* wolfSSL_sk_X509_NAME_pop(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk)
{
WOLFSSL_STACK* node;
WOLFSSL_X509_NAME* name;
if (sk == NULL) {
return NULL;
}
node = sk->next;
name = sk->data.name;
if (node != NULL) { /* update sk and remove node from stack */
sk->data.name = node->data.name;
sk->next = node->next;
XFREE(node, NULL, DYNAMIC_TYPE_OPENSSL);
}
else { /* last x509 in stack */
sk->data.name = NULL;
}
if (sk->num > 0) {
sk->num -= 1;
}
return name;
}
void wolfSSL_sk_X509_NAME_pop_free(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk,
void (*f) (WOLFSSL_X509_NAME*))
{
WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_pop_free");
wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f);
}
/* Free only the sk structure, NOT X509_NAME members */
void wolfSSL_sk_X509_NAME_free(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_free");
wolfSSL_sk_free(sk);
}
int wolfSSL_sk_X509_NAME_push(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk,
WOLFSSL_X509_NAME* name)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_push");
return wolfSSL_sk_push(sk, name);
}
/* return index of found, or negative to indicate not found */
int wolfSSL_sk_X509_NAME_find(const WOLF_STACK_OF(WOLFSSL_X509_NAME) *sk,
WOLFSSL_X509_NAME *name)
{
int i;
WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_find");
if (sk == NULL)
return BAD_FUNC_ARG;
for (i = 0; sk; i++, sk = sk->next) {
if (wolfSSL_X509_NAME_cmp(sk->data.name, name) == 0) {
return i;
}
}
return -1;
}
/* Name Entry */
WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* wolfSSL_sk_X509_NAME_ENTRY_new(
WOLF_SK_COMPARE_CB(WOLFSSL_X509_NAME_ENTRY, cb))
{
WOLFSSL_STACK* sk = wolfSSL_sk_new_node(NULL);
if (sk != NULL) {
sk->type = STACK_TYPE_X509_NAME_ENTRY;
(void)cb;
}
return sk;
}
int wolfSSL_sk_X509_NAME_ENTRY_push(WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* sk,
WOLFSSL_X509_NAME_ENTRY* name_entry)
{
return wolfSSL_sk_push(sk, name_entry);
}
WOLFSSL_X509_NAME_ENTRY* wolfSSL_sk_X509_NAME_ENTRY_value(
const WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* sk, int i)
{
return (WOLFSSL_X509_NAME_ENTRY*)wolfSSL_sk_value(sk, i);
}
int wolfSSL_sk_X509_NAME_ENTRY_num(const WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* sk)
{
if (sk == NULL)
return BAD_FUNC_ARG;
return (int)sk->num;
}
void wolfSSL_sk_X509_NAME_ENTRY_free(WOLF_STACK_OF(WOLFSSL_X509_NAME_ENTRY)* sk)
{
wolfSSL_sk_free(sk);
}
#endif /* OPENSSL_EXTRA || HAVE_STUNNEL || WOLFSSL_NGINX ||
HAVE_LIGHTY || WOLFSSL_HAPROXY ||
WOLFSSL_OPENSSH || HAVE_SBLIM_SFCB */
#if defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA) || \
(defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || \
defined(HAVE_LIGHTY) || defined(WOLFSSL_HAPROXY) || \
defined(WOLFSSL_OPENSSH) || defined(HAVE_SBLIM_SFCB))
#if defined(OPENSSL_ALL)
WOLFSSL_X509_INFO* wolfSSL_X509_INFO_new(void)
{
WOLFSSL_X509_INFO* info;
info = (WOLFSSL_X509_INFO*)XMALLOC(sizeof(WOLFSSL_X509_INFO), NULL,
DYNAMIC_TYPE_X509);
if (info) {
XMEMSET(info, 0, sizeof(*info));
}
return info;
}
void wolfSSL_X509_INFO_free(WOLFSSL_X509_INFO* info)
{
if (info == NULL)
return;
if (info->x509) {
wolfSSL_X509_free(info->x509);
info->x509 = NULL;
}
#ifdef HAVE_CRL
if (info->crl) {
wolfSSL_X509_CRL_free(info->crl);
info->crl = NULL;
}
#endif
wolfSSL_X509_PKEY_free(info->x_pkey);
info->x_pkey = NULL;
XFREE(info, NULL, DYNAMIC_TYPE_X509);
}
#endif
WOLFSSL_STACK* wolfSSL_sk_X509_INFO_new_null(void)
{
WOLFSSL_STACK* sk = wolfSSL_sk_new_node(NULL);
if (sk) {
sk->type = STACK_TYPE_X509_INFO;
}
return sk;
}
int wolfSSL_sk_X509_INFO_num(const WOLF_STACK_OF(WOLFSSL_X509_INFO) *sk)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_INFO_num");
return wolfSSL_sk_num(sk);
}
WOLFSSL_X509_INFO* wolfSSL_sk_X509_INFO_value(
const WOLF_STACK_OF(WOLFSSL_X509_INFO) *sk, int i)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_INFO_value");
return (WOLFSSL_X509_INFO *)wolfSSL_sk_value(sk, i);
}
WOLFSSL_X509_INFO* wolfSSL_sk_X509_INFO_pop(
WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk)
{
WOLFSSL_STACK* node;
WOLFSSL_X509_INFO* info;
if (sk == NULL) {
return NULL;
}
node = sk->next;
info = sk->data.info;
if (node != NULL) { /* update sk and remove node from stack */
sk->data.info = node->data.info;
sk->next = node->next;
wolfSSL_sk_free_node(node);
}
else { /* last x509 in stack */
sk->data.info = NULL;
}
if (sk->num > 0) {
sk->num -= 1;
}
return info;
}
#if defined(OPENSSL_ALL)
void wolfSSL_sk_X509_INFO_pop_free(WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk,
void (*f) (WOLFSSL_X509_INFO*))
{
WOLFSSL_ENTER("wolfSSL_sk_X509_INFO_pop_free");
wolfSSL_sk_pop_free(sk, (wolfSSL_sk_freefunc)f);
}
void wolfSSL_sk_X509_INFO_free(WOLF_STACK_OF(WOLFSSL_X509_INFO) *sk)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_INFO_free");
wolfSSL_sk_free(sk);
}
/* Adds the WOLFSSL_X509_INFO to the stack "sk". "sk" takes control of "in" and
* tries to free it when the stack is free'd.
*
* return 1 on success 0 on fail
*/
int wolfSSL_sk_X509_INFO_push(WOLF_STACK_OF(WOLFSSL_X509_INFO)* sk,
WOLFSSL_X509_INFO* in)
{
return wolfSSL_sk_push(sk, in);
}
/* Creates a duplicate of WOLF_STACK_OF(WOLFSSL_X509_NAME).
* Returns a new WOLF_STACK_OF(WOLFSSL_X509_NAME) or NULL on failure */
WOLF_STACK_OF(WOLFSSL_X509_NAME) *wolfSSL_dup_CA_list(
WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk)
{
int i;
const int num = wolfSSL_sk_X509_NAME_num(sk);
WOLF_STACK_OF(WOLFSSL_X509_NAME) *copy;
WOLFSSL_X509_NAME *name;
WOLFSSL_ENTER("wolfSSL_dup_CA_list");
copy = wolfSSL_sk_X509_NAME_new(NULL);
if (copy == NULL) {
WOLFSSL_MSG("Memory error");
return NULL;
}
for (i = 0; i < num; i++) {
name = wolfSSL_X509_NAME_dup(wolfSSL_sk_X509_NAME_value(sk, i));
if (name == NULL || WOLFSSL_SUCCESS != wolfSSL_sk_X509_NAME_push(copy, name)) {
WOLFSSL_MSG("Memory error");
wolfSSL_sk_X509_NAME_pop_free(copy, wolfSSL_X509_NAME_free);
return NULL;
}
}
return copy;
}
void* wolfSSL_sk_X509_OBJECT_value(WOLF_STACK_OF(WOLFSSL_X509_OBJECT)* sk, int i)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_value");
for (; sk != NULL && i > 0; i--)
sk = sk->next;
if (i != 0 || sk == NULL)
return NULL;
return sk->data.x509_obj;
}
int wolfSSL_sk_X509_OBJECT_num(const WOLF_STACK_OF(WOLFSSL_X509_OBJECT) *s)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_num");
if (s) {
return (int)s->num;
} else {
return 0;
}
}
int wolfSSL_sk_X509_NAME_set_cmp_func(WOLF_STACK_OF(WOLFSSL_X509_NAME)* sk,
WOLF_SK_COMPARE_CB(WOLFSSL_X509_NAME, cb))
{
WOLFSSL_ENTER("wolfSSL_sk_X509_NAME_set_cmp_func");
if (sk == NULL)
return BAD_FUNC_ARG;
WOLFSSL_MSG("Stack comparison not used in wolfSSL");
(void)cb;
return 0;
}
#endif /* OPENSSL_ALL */
#ifndef NO_BIO
/* Helper function for X509_NAME_print_ex. Sets *buf to string for domain
name attribute based on NID. Returns size of buf */
static int get_dn_attr_by_nid(int n, const char** buf)
{
int len = 0;
const char *str;
switch(n)
{
case NID_commonName :
str = "CN";
len = 2;
break;
case NID_countryName:
str = "C";
len = 1;
break;
case NID_localityName:
str = "L";
len = 1;
break;
case NID_stateOrProvinceName:
str = "ST";
len = 2;
break;
case NID_streetAddress:
str = "street";
len = 6;
break;
case NID_organizationName:
str = "O";
len = 1;
break;
case NID_organizationalUnitName:
str = "OU";
len = 2;
break;
case NID_postalCode:
str = "postalCode";
len = 10;
break;
case NID_emailAddress:
str = "emailAddress";
len = 12;
break;
case NID_surname:
str = "SN";
len = 2;
break;
case NID_givenName:
str = "GN";
len = 2;
break;
case NID_dnQualifier:
str = "dnQualifier";
len = 11;
break;
case NID_name:
str = "name";
len = 4;
break;
case NID_initials:
str = "initials";
len = 8;
break;
case NID_domainComponent:
str = "DC";
len = 2;
break;
case NID_pkcs9_contentType:
str = "contentType";
len = 11;
break;
case NID_userId:
str = "UID";
len = 3;
break;
default:
WOLFSSL_MSG("Attribute type not found");
str = NULL;
}
if (buf != NULL)
*buf = str;
return len;
}
/**
* Escape input string for RFC2253 requirements. The following characters
* are escaped with a backslash (\):
*
* 1. A space or '#' at the beginning of the string
* 2. A space at the end of the string
* 3. One of: ",", "+", """, "\", "<", ">", ";"
*
* in - input string to escape
* inSz - length of in, not including the null terminator
* out - buffer for output string to be written, will be null terminated
* outSz - size of out
*
* Returns size of output string (not counting NULL terminator) on success,
* negative on error.
*/
static int wolfSSL_EscapeString_RFC2253(char* in, word32 inSz,
char* out, word32 outSz)
{
word32 inIdx = 0;
word32 outIdx = 0;
if (in == NULL || out == NULL || inSz == 0 || outSz == 0) {
return BAD_FUNC_ARG;
}
for (inIdx = 0; inIdx < inSz; inIdx++) {
char c = in[inIdx];
if (((inIdx == 0) && (c == ' ' || c == '#')) ||
((inIdx == (inSz-1)) && (c == ' ')) ||
c == ',' || c == '+' || c == '"' || c == '\\' ||
c == '<' || c == '>' || c == ';') {
if (outIdx > (outSz - 1)) {
return BUFFER_E;
}
out[outIdx] = '\\';
outIdx++;
}
if (outIdx > (outSz - 1)) {
return BUFFER_E;
}
out[outIdx] = c;
outIdx++;
}
/* null terminate out */
if (outIdx > (outSz -1)) {
return BUFFER_E;
}
out[outIdx] = '\0';
return outIdx;
}
/*
* Print human readable version of X509_NAME to provided BIO.
*
* bio - output BIO to place name string. Does not include null terminator.
* name - input name to convert to string
* indent - number of indent spaces to prepend to name string
* flags - flags to control function behavior. Not all flags are currently
* supported/implemented. Currently supported are:
* XN_FLAG_RFC2253 - only the backslash escape requirements from
* RFC22523 currently implemented.
* XN_FLAG_DN_REV - print name reversed. Automatically done by
* XN_FLAG_RFC2253.
*
* Returns WOLFSSL_SUCCESS (1) on success, WOLFSSL_FAILURE (0) on failure.
*/
int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name,
int indent, unsigned long flags)
{
int i, count = 0, nameStrSz = 0, escapeSz = 0;
char* tmp = NULL;
char* nameStr = NULL;
const char *buf = NULL;
WOLFSSL_X509_NAME_ENTRY* ne;
WOLFSSL_ASN1_STRING* str;
char escaped[ASN_NAME_MAX];
WOLFSSL_ENTER("wolfSSL_X509_NAME_print_ex");
if ((name == NULL) || (name->sz == 0) || (bio == NULL))
return WOLFSSL_FAILURE;
for (i = 0; i < indent; i++) {
if (wolfSSL_BIO_write(bio, " ", 1) != 1)
return WOLFSSL_FAILURE;
}
count = wolfSSL_X509_NAME_entry_count(name);
for (i = 0; i < count; i++) {
int len;
int tmpSz;
/* reverse name order for RFC2253 and DN_REV */
if ((flags & XN_FLAG_RFC2253) || (flags & XN_FLAG_DN_REV)) {
ne = wolfSSL_X509_NAME_get_entry(name, count - i - 1);
} else {
ne = wolfSSL_X509_NAME_get_entry(name, i);
}
if (ne == NULL)
return WOLFSSL_FAILURE;
str = wolfSSL_X509_NAME_ENTRY_get_data(ne);
if (str == NULL)
return WOLFSSL_FAILURE;
if (flags & XN_FLAG_RFC2253) {
/* escape string for RFC 2253, ret sz not counting null term */
escapeSz = wolfSSL_EscapeString_RFC2253(str->data,
str->length, escaped, sizeof(escaped));
if (escapeSz < 0)
return WOLFSSL_FAILURE;
nameStr = escaped;
nameStrSz = escapeSz;
}
else {
nameStr = str->data;
nameStrSz = str->length;
}
/* len is without null terminator */
len = get_dn_attr_by_nid(ne->nid, &buf);
if (len == 0 || buf == NULL)
return WOLFSSL_FAILURE;
tmpSz = nameStrSz + len + 4; /* + 4 for '=', comma space and '\0'*/
tmp = (char*)XMALLOC(tmpSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (tmp == NULL) {
return WOLFSSL_FAILURE;
}
if (i < count - 1) {
if (XSNPRINTF(tmp, tmpSz, "%s=%s, ", buf, nameStr)
>= tmpSz)
{
WOLFSSL_MSG("buffer overrun");
XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
tmpSz = len + nameStrSz + 3; /* 3 for '=', comma space */
}
else {
if (XSNPRINTF(tmp, tmpSz, "%s=%s", buf, nameStr)
>= tmpSz)
{
WOLFSSL_MSG("buffer overrun");
XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
tmpSz = len + nameStrSz + 1; /* 1 for '=' */
if (bio->type != WOLFSSL_BIO_FILE && bio->type != WOLFSSL_BIO_MEMORY)
++tmpSz; /* include the terminating null when not writing to a
* file.
*/
}
if (wolfSSL_BIO_write(bio, tmp, tmpSz) != tmpSz) {
XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return WOLFSSL_FAILURE;
}
XFREE(tmp, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
return WOLFSSL_SUCCESS;
}
#ifndef NO_FILESYSTEM
int wolfSSL_X509_NAME_print_ex_fp(XFILE file, WOLFSSL_X509_NAME* name,
int indent, unsigned long flags)
{
WOLFSSL_BIO* bio;
int ret;
WOLFSSL_ENTER("wolfSSL_X509_NAME_print_ex_fp");
if (!(bio = wolfSSL_BIO_new_fp(file, BIO_NOCLOSE))) {
WOLFSSL_MSG("wolfSSL_BIO_new_fp error");
return WOLFSSL_FAILURE;
}
ret = wolfSSL_X509_NAME_print_ex(bio, name, indent, flags);
wolfSSL_BIO_free(bio);
return ret;
}
#endif /* NO_FILESYSTEM */
#endif /* !NO_BIO */
#ifndef NO_WOLFSSL_STUB
WOLFSSL_ASN1_BIT_STRING* wolfSSL_X509_get0_pubkey_bitstr(const WOLFSSL_X509* x)
{
(void)x;
WOLFSSL_ENTER("wolfSSL_X509_get0_pubkey_bitstr");
WOLFSSL_STUB("X509_get0_pubkey_bitstr");
return NULL;
}
#endif
#ifdef OPENSSL_ALL
WOLFSSL_X509_LOOKUP_TYPE wolfSSL_X509_OBJECT_get_type(
const WOLFSSL_X509_OBJECT* obj)
{
if (obj == NULL)
return WOLFSSL_X509_LU_NONE;
return obj->type;
}
WOLFSSL_X509_OBJECT* wolfSSL_X509_OBJECT_new(void)
{
WOLFSSL_X509_OBJECT* ret = (WOLFSSL_X509_OBJECT*)
XMALLOC(sizeof(WOLFSSL_X509_OBJECT), NULL, DYNAMIC_TYPE_OPENSSL);
if (ret != NULL)
XMEMSET(ret, 0, sizeof(WOLFSSL_X509_OBJECT));
return ret;
}
void wolfSSL_X509_OBJECT_free(WOLFSSL_X509_OBJECT *obj)
{
WOLFSSL_ENTER("wolfSSL_X509_OBJECT_free");
if (obj != NULL) {
if (obj->type == WOLFSSL_X509_LU_X509) {
wolfSSL_X509_free(obj->data.x509);
}
else {
/* We don't free as this will point to
* store->cm->crl which we don't own */
WOLFSSL_MSG("Not free'ing CRL in WOLFSSL_X509_OBJECT");
}
XFREE(obj, NULL, DYNAMIC_TYPE_OPENSSL);
}
}
#endif /* OPENSSL_ALL */
#ifndef NO_WOLFSSL_STUB
WOLFSSL_X509_OBJECT* wolfSSL_sk_X509_OBJECT_delete(
WOLF_STACK_OF(WOLFSSL_X509_OBJECT)* sk, int i)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_delete");
WOLFSSL_STUB("wolfSSL_sk_X509_OBJECT_delete");
(void)sk;
(void)i;
return NULL;
}
#endif
WOLFSSL_X509 *wolfSSL_X509_OBJECT_get0_X509(const WOLFSSL_X509_OBJECT *obj)
{
if (obj != NULL && obj->type == WOLFSSL_X509_LU_X509)
return obj->data.x509;
return NULL;
}
WOLFSSL_X509_CRL *wolfSSL_X509_OBJECT_get0_X509_CRL(WOLFSSL_X509_OBJECT *obj)
{
if (obj != NULL && obj->type == WOLFSSL_X509_LU_CRL)
return obj->data.crl;
return NULL;
}
#endif /* OPENSSL_ALL || (OPENSSL_EXTRA && (HAVE_STUNNEL || WOLFSSL_NGINX ||
* HAVE_LIGHTY || WOLFSSL_HAPROXY || WOLFSSL_OPENSSH ||
* HAVE_SBLIM_SFCB)) */
#if defined(OPENSSL_EXTRA)
int wolfSSL_sk_X509_num(const WOLF_STACK_OF(WOLFSSL_X509) *s)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_num");
if (s == NULL)
return -1;
return (int)s->num;
}
#endif /* OPENSSL_EXTRA */
#if defined(HAVE_EX_DATA) && (defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) \
|| defined(WOLFSSL_HAPROXY) || defined(OPENSSL_EXTRA) \
|| defined(HAVE_LIGHTY))
int wolfSSL_X509_get_ex_new_index(int idx, void *arg,
WOLFSSL_CRYPTO_EX_new* new_func,
WOLFSSL_CRYPTO_EX_dup* dup_func,
WOLFSSL_CRYPTO_EX_free* free_func)
{
WOLFSSL_ENTER("wolfSSL_X509_get_ex_new_index");
return wolfssl_get_ex_new_index(CRYPTO_EX_INDEX_X509, idx, arg,
new_func, dup_func, free_func);
}
#endif
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL) || \
defined(WOLFSSL_WPAS_SMALL)
void *wolfSSL_X509_get_ex_data(X509 *x509, int idx)
{
WOLFSSL_ENTER("wolfSSL_X509_get_ex_data");
#ifdef HAVE_EX_DATA
if (x509 != NULL) {
return wolfSSL_CRYPTO_get_ex_data(&x509->ex_data, idx);
}
#else
(void)x509;
(void)idx;
#endif
return NULL;
}
int wolfSSL_X509_set_ex_data(X509 *x509, int idx, void *data)
{
WOLFSSL_ENTER("wolfSSL_X509_set_ex_data");
#ifdef HAVE_EX_DATA
if (x509 != NULL)
{
return wolfSSL_CRYPTO_set_ex_data(&x509->ex_data, idx, data);
}
#else
(void)x509;
(void)idx;
(void)data;
#endif
return WOLFSSL_FAILURE;
}
#ifdef HAVE_EX_DATA_CLEANUP_HOOKS
int wolfSSL_X509_set_ex_data_with_cleanup(
X509 *x509,
int idx,
void *data,
wolfSSL_ex_data_cleanup_routine_t cleanup_routine)
{
WOLFSSL_ENTER("wolfSSL_X509_set_ex_data_with_cleanup");
if (x509 != NULL)
{
return wolfSSL_CRYPTO_set_ex_data_with_cleanup(&x509->ex_data, idx,
data, cleanup_routine);
}
return WOLFSSL_FAILURE;
}
#endif /* HAVE_EX_DATA_CLEANUP_HOOKS */
#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL || WOLFSSL_WPAS_SMALL */
#ifndef NO_ASN
int wolfSSL_X509_check_host(WOLFSSL_X509 *x, const char *chk, size_t chklen,
unsigned int flags, char **peername)
{
int ret;
#ifdef WOLFSSL_SMALL_STACK
DecodedCert *dCert;
#else
DecodedCert dCert[1];
#endif
WOLFSSL_ENTER("wolfSSL_X509_check_host");
/* flags and peername not needed for Nginx. */
(void)flags;
(void)peername;
if ((x == NULL) || (chk == NULL)) {
WOLFSSL_MSG("Invalid parameter");
return WOLFSSL_FAILURE;
}
if (flags == WOLFSSL_NO_WILDCARDS) {
WOLFSSL_MSG("X509_CHECK_FLAG_NO_WILDCARDS not yet implemented");
return WOLFSSL_FAILURE;
}
if (flags == WOLFSSL_NO_PARTIAL_WILDCARDS) {
WOLFSSL_MSG("X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS not yet implemented");
return WOLFSSL_FAILURE;
}
#ifdef WOLFSSL_SMALL_STACK
dCert = (DecodedCert *)XMALLOC(sizeof(*dCert), x->heap,
DYNAMIC_TYPE_DCERT);
if (dCert == NULL) {
WOLFSSL_MSG("\tout of memory");
return WOLFSSL_FATAL_ERROR;
}
#endif
InitDecodedCert(dCert, x->derCert->buffer, x->derCert->length, NULL);
ret = ParseCertRelative(dCert, CERT_TYPE, 0, NULL);
if (ret != 0) {
goto out;
}
ret = CheckHostName(dCert, (char *)chk, chklen);
out:
FreeDecodedCert(dCert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(dCert, x->heap, DYNAMIC_TYPE_DCERT);
#endif
if (ret != 0)
return WOLFSSL_FAILURE;
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_check_ip_asc(WOLFSSL_X509 *x, const char *ipasc,
unsigned int flags)
{
int ret = WOLFSSL_FAILURE;
#ifdef WOLFSSL_SMALL_STACK
DecodedCert *dCert = NULL;
#else
DecodedCert dCert[1];
#endif
WOLFSSL_ENTER("wolfSSL_X509_check_ip_asc");
/* flags not yet implemented */
(void)flags;
if ((x == NULL) || (x->derCert == NULL) || (ipasc == NULL)) {
WOLFSSL_MSG("Invalid parameter");
}
else {
ret = WOLFSSL_SUCCESS;
}
#ifdef WOLFSSL_SMALL_STACK
if (ret == WOLFSSL_SUCCESS) {
dCert = (DecodedCert *)XMALLOC(sizeof(*dCert), x->heap,
DYNAMIC_TYPE_DCERT);
if (dCert == NULL) {
WOLFSSL_MSG("\tout of memory");
ret = WOLFSSL_FAILURE;
}
}
#endif
if (ret == WOLFSSL_SUCCESS) {
InitDecodedCert(dCert, x->derCert->buffer, x->derCert->length, NULL);
ret = ParseCertRelative(dCert, CERT_TYPE, 0, NULL);
if (ret != 0) {
ret = WOLFSSL_FAILURE;
}
else {
ret = CheckIPAddr(dCert, ipasc);
if (ret != 0) {
ret = WOLFSSL_FAILURE;
}
else {
ret = WOLFSSL_SUCCESS;
}
}
FreeDecodedCert(dCert);
}
#ifdef WOLFSSL_SMALL_STACK
if (dCert != NULL)
XFREE(dCert, x->heap, DYNAMIC_TYPE_DCERT);
#endif
return ret;
}
#endif
#if defined(OPENSSL_EXTRA) && defined(WOLFSSL_CERT_GEN)
int wolfSSL_X509_check_email(WOLFSSL_X509 *x, const char *chk, size_t chkLen,
unsigned int flags)
{
WOLFSSL_X509_NAME *subjName;
int emailLen;
char *emailBuf;
(void)flags;
WOLFSSL_ENTER("wolfSSL_X509_check_email");
if ((x == NULL) || (chk == NULL)) {
WOLFSSL_MSG("Invalid parameter");
return WOLFSSL_FAILURE;
}
subjName = wolfSSL_X509_get_subject_name(x);
if (subjName == NULL)
return WOLFSSL_FAILURE;
/* Call with NULL buffer to get required length. */
emailLen = wolfSSL_X509_NAME_get_text_by_NID(subjName, NID_emailAddress,
NULL, 0);
if (emailLen < 0)
return WOLFSSL_FAILURE;
++emailLen; /* Add 1 for the NUL. */
emailBuf = (char*)XMALLOC(emailLen, x->heap, DYNAMIC_TYPE_OPENSSL);
if (emailBuf == NULL)
return WOLFSSL_FAILURE;
emailLen = wolfSSL_X509_NAME_get_text_by_NID(subjName, NID_emailAddress,
emailBuf, emailLen);
if (emailLen < 0) {
XFREE(emailBuf, x->heap, DYNAMIC_TYPE_OPENSSL);
return WOLFSSL_FAILURE;
}
if (chkLen == 0)
chkLen = XSTRLEN(chk);
if (chkLen != (size_t)emailLen
|| XSTRNCMP(chk, emailBuf, chkLen)) {
XFREE(emailBuf, x->heap, DYNAMIC_TYPE_OPENSSL);
return WOLFSSL_FAILURE;
}
XFREE(emailBuf, x->heap, DYNAMIC_TYPE_OPENSSL);
return WOLFSSL_SUCCESS;
}
#endif /* OPENSSL_EXTRA && WOLFSSL_CERT_GEN */
#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) \
|| defined(OPENSSL_EXTRA) || defined(HAVE_LIGHTY)
int wolfSSL_X509_NAME_digest(const WOLFSSL_X509_NAME *name,
const WOLFSSL_EVP_MD *type, unsigned char *md, unsigned int *len)
{
WOLFSSL_ENTER("wolfSSL_X509_NAME_digest");
if (name == NULL || type == NULL)
return WOLFSSL_FAILURE;
#if !defined(NO_FILESYSTEM) && !defined(NO_PWDBASED)
return wolfSSL_EVP_Digest((unsigned char*)name->name,
name->sz, md, len, type, NULL);
#else
(void)md;
(void)len;
return NOT_COMPILED_IN;
#endif
}
#endif /* OPENSSL_ALL || WOLFSSL_NGINX || WOLFSSL_HAPROXY ||
OPENSSL_EXTRA || HAVE_LIGHTY */
#if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY) || \
defined(OPENSSL_EXTRA) || defined(OPENSSL_ALL)
/**
* Find the issuing cert of the input cert. On a self-signed cert this
* function will return an error.
* @param issuer The issuer x509 struct is returned here
* @param cm The cert manager that is queried for the issuer
* @param x This cert's issuer will be queried in cm
* @return WOLFSSL_SUCCESS on success
* WOLFSSL_FAILURE on error
*/
static int x509GetIssuerFromCM(WOLFSSL_X509 **issuer, WOLFSSL_CERT_MANAGER* cm,
WOLFSSL_X509 *x)
{
Signer* ca = NULL;
#ifdef WOLFSSL_SMALL_STACK
DecodedCert* cert = NULL;
#else
DecodedCert cert[1];
#endif
if (cm == NULL || x == NULL || x->derCert == NULL) {
WOLFSSL_MSG("No cert DER buffer or NULL cm. Defining "
"WOLFSSL_SIGNER_DER_CERT could solve the issue");
return WOLFSSL_FAILURE;
}
#ifdef WOLFSSL_SMALL_STACK
cert = (DecodedCert*)XMALLOC(sizeof(DecodedCert), NULL, DYNAMIC_TYPE_DCERT);
if (cert == NULL)
return WOLFSSL_FAILURE;
#endif
/* Use existing CA retrieval APIs that use DecodedCert. */
InitDecodedCert(cert, x->derCert->buffer, x->derCert->length, NULL);
if (ParseCertRelative(cert, CERT_TYPE, 0, NULL) == 0
&& !cert->selfSigned) {
#ifndef NO_SKID
if (cert->extAuthKeyIdSet)
ca = GetCA(cm, cert->extAuthKeyId);
if (ca == NULL)
ca = GetCAByName(cm, cert->issuerHash);
#else /* NO_SKID */
ca = GetCA(cm, cert->issuerHash);
#endif /* NO SKID */
}
FreeDecodedCert(cert);
#ifdef WOLFSSL_SMALL_STACK
XFREE(cert, NULL, DYNAMIC_TYPE_DCERT);
#endif
if (ca == NULL)
return WOLFSSL_FAILURE;
#ifdef WOLFSSL_SIGNER_DER_CERT
/* populate issuer with Signer DER */
if (wolfSSL_X509_d2i(issuer, ca->derCert->buffer,
ca->derCert->length) == NULL)
return WOLFSSL_FAILURE;
#else
/* Create an empty certificate as CA doesn't have a certificate. */
*issuer = (WOLFSSL_X509 *)XMALLOC(sizeof(WOLFSSL_X509), 0,
DYNAMIC_TYPE_OPENSSL);
if (*issuer == NULL)
return WOLFSSL_FAILURE;
InitX509((*issuer), 1, NULL);
#endif
return WOLFSSL_SUCCESS;
}
void wolfSSL_X509_email_free(WOLF_STACK_OF(WOLFSSL_STRING) *sk)
{
WOLFSSL_STACK *curr;
while (sk != NULL) {
curr = sk;
sk = sk->next;
XFREE(curr, NULL, DYNAMIC_TYPE_OPENSSL);
}
}
WOLF_STACK_OF(WOLFSSL_STRING) *wolfSSL_X509_get1_ocsp(WOLFSSL_X509 *x)
{
WOLFSSL_STACK* list = NULL;
char* url;
if (x == NULL || x->authInfoSz == 0)
return NULL;
list = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK) + x->authInfoSz + 1,
NULL, DYNAMIC_TYPE_OPENSSL);
if (list == NULL)
return NULL;
url = (char*)list;
url += sizeof(WOLFSSL_STACK);
XMEMCPY(url, x->authInfo, x->authInfoSz);
url[x->authInfoSz] = '\0';
list->data.string = url;
list->next = NULL;
list->num = 1;
return list;
}
int wolfSSL_X509_check_issued(WOLFSSL_X509 *issuer, WOLFSSL_X509 *subject)
{
WOLFSSL_X509_NAME *issuerName = wolfSSL_X509_get_issuer_name(subject);
WOLFSSL_X509_NAME *subjectName = wolfSSL_X509_get_subject_name(issuer);
if (issuerName == NULL || subjectName == NULL)
return WOLFSSL_X509_V_ERR_SUBJECT_ISSUER_MISMATCH;
/* Literal matching of encoded names and key ids. */
if (issuerName->sz != subjectName->sz ||
XMEMCMP(issuerName->name, subjectName->name, subjectName->sz) != 0) {
return WOLFSSL_X509_V_ERR_SUBJECT_ISSUER_MISMATCH;
}
if (subject->authKeyId != NULL && issuer->subjKeyId != NULL) {
if (subject->authKeyIdSz != issuer->subjKeyIdSz ||
XMEMCMP(subject->authKeyId, issuer->subjKeyId,
issuer->subjKeyIdSz) != 0) {
return WOLFSSL_X509_V_ERR_SUBJECT_ISSUER_MISMATCH;
}
}
return WOLFSSL_X509_V_OK;
}
#endif /* WOLFSSL_NGINX || WOLFSSL_HAPROXY || OPENSSL_EXTRA || OPENSSL_ALL */
#if defined(OPENSSL_EXTRA) || defined(WOLFSSL_WPAS_SMALL) || \
defined(KEEP_PEER_CERT)
WOLFSSL_X509* wolfSSL_X509_dup(WOLFSSL_X509 *x)
{
WOLFSSL_ENTER("wolfSSL_X509_dup");
if (x == NULL) {
WOLFSSL_MSG("Error: NULL input");
return NULL;
}
if (x->derCert == NULL) {
WOLFSSL_MSG("Error: NULL derCert parameter");
return NULL;
}
return wolfSSL_X509_d2i(NULL, x->derCert->buffer, x->derCert->length);
}
#endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
#if defined(OPENSSL_EXTRA)
int wolfSSL_X509_check_ca(WOLFSSL_X509 *x509)
{
WOLFSSL_ENTER("wolfSSL_X509_check_ca");
if (x509 == NULL)
return WOLFSSL_FAILURE;
if (x509->isCa)
return 1;
if (x509->extKeyUsageCrit)
return 4;
return 0;
}
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
long wolfSSL_X509_get_version(const WOLFSSL_X509 *x509)
{
int version = 0;
WOLFSSL_ENTER("wolfSSL_X509_get_version");
if (x509 == NULL){
WOLFSSL_MSG("invalid parameter");
return 0L;
}
version = x509->version;
if (version != 0)
return (long)version - 1L;
return 0L;
}
#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
#if defined(OPENSSL_EXTRA)
int wolfSSL_X509_get_signature_nid(const WOLFSSL_X509 *x)
{
if (x == NULL)
return 0;
return oid2nid(x->sigOID, oidSigType);
}
#endif /* OPENSSL_EXTRA */
#if defined(OPENSSL_EXTRA)
WOLFSSL_STACK* wolfSSL_sk_X509_new(WOLF_SK_COMPARE_CB(WOLFSSL_X509, cb))
{
(void)cb;
return wolfSSL_sk_X509_new_null();
}
WOLFSSL_STACK* wolfSSL_sk_X509_new_null(void)
{
WOLFSSL_STACK* s = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL,
DYNAMIC_TYPE_OPENSSL);
if (s != NULL) {
XMEMSET(s, 0, sizeof(*s));
s->type = STACK_TYPE_X509;
}
return s;
}
#endif /* OPENSSL_EXTRA */
#ifdef OPENSSL_ALL
WOLFSSL_STACK* wolfSSL_sk_X509_OBJECT_new(void)
{
WOLFSSL_STACK* s = (WOLFSSL_STACK*)XMALLOC(sizeof(WOLFSSL_STACK), NULL,
DYNAMIC_TYPE_OPENSSL);
WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_new");
if (s != NULL) {
XMEMSET(s, 0, sizeof(*s));
s->type = STACK_TYPE_X509_OBJ;
}
return s;
}
void wolfSSL_sk_X509_OBJECT_free(WOLFSSL_STACK* s)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_free");
wolfSSL_sk_free(s);
}
void wolfSSL_sk_X509_OBJECT_pop_free(WOLFSSL_STACK* s,
void (*f) (WOLFSSL_X509_OBJECT*))
{
WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_pop_free");
wolfSSL_sk_pop_free(s, (wolfSSL_sk_freefunc)f);
}
int wolfSSL_sk_X509_OBJECT_push(WOLFSSL_STACK* sk, WOLFSSL_X509_OBJECT* obj)
{
WOLFSSL_ENTER("wolfSSL_sk_X509_OBJECT_push");
if (sk == NULL || obj == NULL) {
return WOLFSSL_FAILURE;
}
return wolfSSL_sk_push(sk, obj);
}
#endif /* OPENSSL_ALL */
#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
/* unlike wolfSSL_X509_NAME_dup this does not malloc a duplicate, only deep
* copy. "to" is expected to be a fresh blank name, if not pointers could be
* lost */
int wolfSSL_X509_NAME_copy(WOLFSSL_X509_NAME* from, WOLFSSL_X509_NAME* to)
{
int i;
WOLFSSL_ENTER("wolfSSL_X509_NAME_copy");
if (from == NULL || to == NULL) {
WOLFSSL_MSG("NULL parameter");
return BAD_FUNC_ARG;
}
#if defined(OPENSSL_ALL) || defined(WOLFSSL_NGINX) || defined(HAVE_LIGHTY)
if (from->rawLen > 0) {
if (from->rawLen > ASN_NAME_MAX) {
WOLFSSL_MSG("Bad raw size");
return BAD_FUNC_ARG;
}
XMEMCPY(to->raw, from->raw, from->rawLen);
to->rawLen = from->rawLen;
}
#endif
if (from->dynamicName) {
to->name = (char*)XMALLOC(from->sz, to->heap, DYNAMIC_TYPE_SUBJECT_CN);
if (to->name == NULL)
return WOLFSSL_FAILURE;
to->dynamicName = 1;
}
XMEMCPY(to->name, from->name, from->sz);
to->sz = from->sz;
for (i = 0; i < MAX_NAME_ENTRIES; i++) {
WOLFSSL_X509_NAME_ENTRY* ne = wolfSSL_X509_NAME_get_entry(from, i);
if (ne != NULL) {
if (wolfSSL_X509_NAME_add_entry(to, ne, i, 1) != WOLFSSL_SUCCESS) {
return WOLFSSL_FAILURE;
}
}
}
to->entrySz = from->entrySz;
return WOLFSSL_SUCCESS;
}
/* copies over information from "name" to the "cert" subject name
* returns WOLFSSL_SUCCESS on success */
int wolfSSL_X509_set_subject_name(WOLFSSL_X509 *cert, WOLFSSL_X509_NAME *name)
{
WOLFSSL_ENTER("wolfSSL_X509_set_subject_name");
if (cert == NULL || name == NULL)
return WOLFSSL_FAILURE;
FreeX509Name(&cert->subject);
InitX509Name(&cert->subject, 0, cert->heap);
if (wolfSSL_X509_NAME_copy(name, &cert->subject) != WOLFSSL_SUCCESS) {
FreeX509Name(&cert->subject);
return WOLFSSL_FAILURE;
}
cert->subject.x509 = cert;
return WOLFSSL_SUCCESS;
}
/* copies over information from "name" to the "cert" issuer name
* returns WOLFSSL_SUCCESS on success */
int wolfSSL_X509_set_issuer_name(WOLFSSL_X509 *cert, WOLFSSL_X509_NAME *name)
{
WOLFSSL_ENTER("wolfSSL_X509_set_issuer_name");
if (cert == NULL || name == NULL)
return WOLFSSL_FAILURE;
FreeX509Name(&cert->issuer);
InitX509Name(&cert->issuer, 0, cert->heap);
if (wolfSSL_X509_NAME_copy(name, &cert->issuer) != WOLFSSL_SUCCESS) {
FreeX509Name(&cert->issuer);
return WOLFSSL_FAILURE;
}
cert->issuer.x509 = cert;
cert->issuerSet = 1;
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_set_notAfter(WOLFSSL_X509* x509, const WOLFSSL_ASN1_TIME* t)
{
if (x509 == NULL || t == NULL) {
return WOLFSSL_FAILURE;
}
x509->notAfter.type = t->type;
x509->notAfter.length = t->length;
XMEMCPY(x509->notAfter.data, t->data, CTC_DATE_SIZE);
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_set_notBefore(WOLFSSL_X509* x509, const WOLFSSL_ASN1_TIME* t)
{
if (x509 == NULL || t == NULL) {
return WOLFSSL_FAILURE;
}
x509->notBefore.type = t->type;
x509->notBefore.length = t->length;
XMEMCPY(x509->notBefore.data, t->data, CTC_DATE_SIZE);
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_set_serialNumber(WOLFSSL_X509* x509, WOLFSSL_ASN1_INTEGER* s)
{
WOLFSSL_ENTER("wolfSSL_X509_set_serialNumber");
if (x509 == NULL || s == NULL || s->length >= EXTERNAL_SERIAL_SIZE)
return WOLFSSL_FAILURE;
/* WOLFSSL_ASN1_INTEGER has type | size | data
* Sanity check that the data is actually in ASN format */
if (s->length < 3 && s->data[0] != ASN_INTEGER &&
s->data[1] != s->length - 2) {
return WOLFSSL_FAILURE;
}
XMEMCPY(x509->serial, s->data + 2, s->length - 2);
x509->serialSz = s->length - 2;
x509->serial[s->length] = 0;
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_set_pubkey(WOLFSSL_X509 *cert, WOLFSSL_EVP_PKEY *pkey)
{
byte* p = NULL;
int derSz = 0;
WOLFSSL_ENTER("wolfSSL_X509_set_pubkey");
if (cert == NULL || pkey == NULL)
return WOLFSSL_FAILURE;
/* Regenerate since pkey->pkey.ptr may contain private key */
switch (pkey->type) {
#if (defined(WOLFSSL_KEY_GEN) || defined(OPENSSL_EXTRA)) && !defined(NO_RSA)
case EVP_PKEY_RSA:
{
RsaKey* rsa;
if (pkey->rsa == NULL || pkey->rsa->internal == NULL)
return WOLFSSL_FAILURE;
rsa = (RsaKey*)pkey->rsa->internal;
derSz = wc_RsaPublicKeyDerSize(rsa, 1);
if (derSz <= 0)
return WOLFSSL_FAILURE;
p = (byte*)XMALLOC(derSz, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY);
if (p == NULL)
return WOLFSSL_FAILURE;
if ((derSz = wc_RsaKeyToPublicDer(rsa, p, derSz)) <= 0) {
XFREE(p, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY);
return WOLFSSL_FAILURE;
}
cert->pubKeyOID = RSAk;
}
break;
#endif /* (WOLFSSL_KEY_GEN || OPENSSL_EXTRA) && !NO_RSA */
#if !defined(HAVE_SELFTEST) && (defined(WOLFSSL_KEY_GEN) || \
defined(WOLFSSL_CERT_GEN)) && !defined(NO_DSA)
case EVP_PKEY_DSA:
{
DsaKey* dsa;
if (pkey->dsa == NULL || pkey->dsa->internal == NULL)
return WOLFSSL_FAILURE;
dsa = (DsaKey*)pkey->dsa->internal;
/* size of pub, priv, p, q, g + ASN.1 additional information */
derSz = 5 * mp_unsigned_bin_size(&dsa->g) + MAX_ALGO_SZ;
p = (byte*)XMALLOC(derSz, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY);
if (p == NULL)
return WOLFSSL_FAILURE;
if ((derSz = wc_DsaKeyToPublicDer(dsa, p, derSz)) <= 0) {
XFREE(p, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY);
return WOLFSSL_FAILURE;
}
cert->pubKeyOID = RSAk;
}
break;
#endif /* !HAVE_SELFTEST && (WOLFSSL_KEY_GEN || WOLFSSL_CERT_GEN) && !NO_DSA */
#ifdef HAVE_ECC
case EVP_PKEY_EC:
{
ecc_key* ecc;
if (pkey->ecc == NULL || pkey->ecc->internal == NULL)
return WOLFSSL_FAILURE;
ecc = (ecc_key*)pkey->ecc->internal;
derSz = wc_EccPublicKeyDerSize(ecc, 1);
if (derSz <= 0)
return WOLFSSL_FAILURE;
p = (byte*)XMALLOC(derSz, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY);
if (p == NULL)
return WOLFSSL_FAILURE;
if ((derSz = wc_EccPublicKeyToDer(ecc, p, derSz, 1)) <= 0) {
XFREE(p, cert->heap, DYNAMIC_TYPE_PUBLIC_KEY);
return WOLFSSL_FAILURE;
}
cert->pubKeyOID = ECDSAk;
}
break;
#endif
default:
return WOLFSSL_FAILURE;
}
cert->pubKey.buffer = p;
cert->pubKey.length = derSz;
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_set_version(WOLFSSL_X509* x509, long v)
{
WOLFSSL_ENTER("wolfSSL_X509_set_version");
if ((x509 == NULL) || (v < 0) || (v >= INT_MAX)) {
return WOLFSSL_FAILURE;
}
x509->version = (int) v + 1;
return WOLFSSL_SUCCESS;
}
#endif /* (OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL) && WOLFSSL_CERT_GEN */
#if defined(OPENSSL_ALL) && \
defined(WOLFSSL_CERT_GEN) && defined(WOLFSSL_CERT_REQ)
void wolfSSL_X509V3_set_ctx(WOLFSSL_X509V3_CTX* ctx, WOLFSSL_X509* issuer,
WOLFSSL_X509* subject, WOLFSSL_X509* req, WOLFSSL_X509_CRL* crl,
int flag)
{
int ret = WOLFSSL_SUCCESS;
WOLFSSL_ENTER("wolfSSL_X509V3_set_ctx");
if (!ctx)
return;
/* not checking ctx->x509 for null first since app won't have initialized
* this X509V3_CTX before this function call */
ctx->x509 = wolfSSL_X509_new();
if (!ctx->x509)
return;
/* Set parameters in ctx as long as ret == WOLFSSL_SUCCESS */
if (issuer)
ret = wolfSSL_X509_set_issuer_name(ctx->x509,&issuer->issuer);
if (subject && ret == WOLFSSL_SUCCESS)
ret = wolfSSL_X509_set_subject_name(ctx->x509,&subject->subject);
if (req && ret == WOLFSSL_SUCCESS) {
WOLFSSL_MSG("req not implemented.");
}
if (crl && ret == WOLFSSL_SUCCESS) {
WOLFSSL_MSG("crl not implemented.");
}
if (flag && ret == WOLFSSL_SUCCESS) {
WOLFSSL_MSG("flag not implemented.");
}
if (!ret) {
WOLFSSL_MSG("Error setting WOLFSSL_X509V3_CTX parameters.");
}
}
#ifndef NO_BIO
int wolfSSL_i2d_X509_REQ(WOLFSSL_X509* req, unsigned char** out)
{
int derSz = 0;
int ret = WOLFSSL_FAILURE;
WOLFSSL_BIO* bio = NULL;
WOLFSSL_ENTER("wolfSSL_i2d_X509_REQ");
if (req == NULL || out == NULL) {
return BAD_FUNC_ARG;
}
if (!(bio = wolfSSL_BIO_new(wolfSSL_BIO_s_mem()))) {
return WOLFSSL_FAILURE;
}
if (wolfSSL_i2d_X509_REQ_bio(bio, req) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_i2d_X509_REQ_bio error");
goto cleanup;
}
derSz = wolfSSL_BIO_get_len(bio);
if (*out == NULL) {
*out = (unsigned char*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_OPENSSL);
if (!*out) {
WOLFSSL_MSG("malloc error");
ret = MEMORY_E;
goto cleanup;
}
}
if (wolfSSL_BIO_read(bio, *out, derSz) != derSz) {
WOLFSSL_MSG("wolfSSL_BIO_read error");
goto cleanup;
}
ret = derSz;
cleanup:
wolfSSL_BIO_free(bio);
return ret;
}
#endif /* !NO_BIO */
WOLFSSL_X509* wolfSSL_X509_REQ_new(void)
{
return wolfSSL_X509_new();
}
void wolfSSL_X509_REQ_free(WOLFSSL_X509* req)
{
wolfSSL_X509_free(req);
}
int wolfSSL_X509_REQ_sign(WOLFSSL_X509 *req, WOLFSSL_EVP_PKEY *pkey,
const WOLFSSL_EVP_MD *md)
{
int ret;
#ifdef WOLFSSL_SMALL_STACK
byte* der = NULL;
#else
byte der[2048];
#endif
int derSz = 2048;
if (req == NULL || pkey == NULL || md == NULL) {
WOLFSSL_LEAVE("wolfSSL_X509_REQ_sign", BAD_FUNC_ARG);
return WOLFSSL_FAILURE;
}
#ifdef WOLFSSL_SMALL_STACK
der = (byte*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (der == NULL) {
return WOLFSSL_FAILURE;
}
#endif
/* Create a Cert that has the certificate request fields. */
req->sigOID = wolfSSL_sigTypeFromPKEY((WOLFSSL_EVP_MD*)md, pkey);
ret = wolfssl_x509_make_der(req, 1, der, &derSz, 0);
if (ret != WOLFSSL_SUCCESS) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
WOLFSSL_MSG("Unable to make DER for X509");
WOLFSSL_LEAVE("wolfSSL_X509_REQ_sign", ret);
return WOLFSSL_FAILURE;
}
if (wolfSSL_X509_resign_cert(req, 1, der, 2048, derSz,
(WOLFSSL_EVP_MD*)md, pkey) <= 0) {
#ifdef WOLFSSL_SMALL_STACK
XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return WOLFSSL_FAILURE;
}
#ifdef WOLFSSL_SMALL_STACK
XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_REQ_sign_ctx(WOLFSSL_X509 *req,
WOLFSSL_EVP_MD_CTX* md_ctx)
{
if (md_ctx && md_ctx->pctx)
return wolfSSL_X509_REQ_sign(req, md_ctx->pctx->pkey,
wolfSSL_EVP_MD_CTX_md(md_ctx));
else
return WOLFSSL_FAILURE;
}
static int regenX509REQDerBuffer(WOLFSSL_X509* x509)
{
int derSz = X509_BUFFER_SZ;
int ret = WOLFSSL_FAILURE;
#ifdef WOLFSSL_SMALL_STACK
byte* der;
der = (byte*)XMALLOC(derSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (!der) {
WOLFSSL_MSG("malloc failed");
return WOLFSSL_FAILURE;
}
#else
byte der[X509_BUFFER_SZ];
#endif
if (wolfssl_x509_make_der(x509, 1, der, &derSz, 0) == WOLFSSL_SUCCESS) {
FreeDer(&x509->derCert);
if (AllocDer(&x509->derCert, derSz, CERT_TYPE, x509->heap) == 0) {
XMEMCPY(x509->derCert->buffer, der, derSz);
ret = WOLFSSL_SUCCESS;
}
else {
WOLFSSL_MSG("Failed to allocate DER buffer for X509");
}
}
else {
WOLFSSL_MSG("Unable to make DER for X509 REQ");
}
#ifdef WOLFSSL_SMALL_STACK
XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return ret;
}
int wolfSSL_X509_REQ_add_extensions(WOLFSSL_X509* req,
WOLF_STACK_OF(WOLFSSL_X509_EXTENSION)* ext_sk)
{
WOLFSSL_X509_EXTENSION* ext = NULL;
if (!req || !ext_sk) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FAILURE;
}
/* It is not an error if the stack is empty. */
ext = ext_sk->data.ext;
if (ext == NULL) {
return WOLFSSL_SUCCESS;
}
while (ext_sk) {
ext = ext_sk->data.ext;
if (wolfSSL_X509_add_ext(req, ext, -1) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("wolfSSL_X509_add_ext error");
return WOLFSSL_FAILURE;
}
ext_sk = ext_sk->next;
}
return regenX509REQDerBuffer(req);
}
int wolfSSL_X509_REQ_add1_attr_by_txt(WOLFSSL_X509 *req,
const char *attrname, int type,
const unsigned char *bytes, int len)
{
WOLFSSL_ENTER("wolfSSL_X509_REQ_add1_attr_by_txt");
#ifdef HAVE_LIBEST
if (!req || !attrname || !bytes || type != MBSTRING_ASC) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FAILURE;
}
if (len < 0) {
len = (int)XSTRLEN((char*)bytes);
}
/* For now just pretend that we support this for libest testing */
if (len == XSTR_SIZEOF("1.3.6.1.1.1.1.22") &&
XMEMCMP("1.3.6.1.1.1.1.22", bytes, len) == 0) {
/* MAC Address */
}
else if (len == XSTR_SIZEOF("1.2.840.10045.2.1") &&
XMEMCMP("1.2.840.10045.2.1", bytes, len) == 0) {
/* ecPublicKey */
}
else if (len == XSTR_SIZEOF("1.2.840.10045.4.3.3") &&
XMEMCMP("1.2.840.10045.4.3.3", bytes, len) == 0) {
/* ecdsa-with-SHA384 */
}
else {
return WOLFSSL_FAILURE;
}
/* return error if not built for libest */
return WOLFSSL_SUCCESS;
#else
(void)req;
(void)attrname;
(void)type;
(void)bytes;
(void)len;
return WOLFSSL_FAILURE;
#endif
}
static int wolfSSL_X509_ATTRIBUTE_set(WOLFSSL_X509_ATTRIBUTE* attr,
const char* data, int dataSz, int type, int nid)
{
if (attr) {
attr->value->value.asn1_string = wolfSSL_ASN1_STRING_new();
if (wolfSSL_ASN1_STRING_set(attr->value->value.asn1_string,
data, dataSz) != WOLFSSL_SUCCESS) {
wolfSSL_ASN1_STRING_free(attr->value->value.asn1_string);
WOLFSSL_MSG("wolfSSL_ASN1_STRING_set error");
return WOLFSSL_FAILURE;
}
attr->value->type = type;
attr->object->nid = nid;
}
else {
WOLFSSL_MSG("wolfSSL_X509_ATTRIBUTE_new error");
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
int wolfSSL_X509_REQ_add1_attr_by_NID(WOLFSSL_X509 *req,
int nid, int type,
const unsigned char *bytes,
int len)
{
int ret;
WOLFSSL_X509_ATTRIBUTE* attr;
WOLFSSL_ENTER("wolfSSL_X509_REQ_add1_attr_by_NID");
if (!req || !bytes || type != MBSTRING_ASC) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FAILURE;
}
switch (nid) {
case NID_pkcs9_challengePassword:
if (len < 0)
len = (int)XSTRLEN((char*)bytes);
if (len < CTC_NAME_SIZE) {
XMEMCPY(req->challengePw, bytes, len);
req->challengePw[len] = '\0';
}
else {
WOLFSSL_MSG("Challenge password too long");
WOLFSSL_ERROR_VERBOSE(BUFFER_E);
return WOLFSSL_FAILURE;
}
break;
case NID_serialNumber:
if (len < 0)
len = (int)XSTRLEN((char*)bytes);
if (len + 1 > EXTERNAL_SERIAL_SIZE) {
WOLFSSL_MSG("SerialNumber too long");
WOLFSSL_ERROR_VERBOSE(BUFFER_E);
return WOLFSSL_FAILURE;
}
XMEMCPY(req->serial, bytes, len);
req->serialSz = len;
break;
case NID_pkcs9_unstructuredName:
case NID_pkcs9_contentType:
case NID_surname:
case NID_initials:
case NID_givenName:
case NID_dnQualifier:
break;
default:
WOLFSSL_MSG("Unsupported attribute");
return WOLFSSL_FAILURE;
}
attr = wolfSSL_X509_ATTRIBUTE_new();
ret = wolfSSL_X509_ATTRIBUTE_set(attr, (const char*)bytes, len,
V_ASN1_PRINTABLESTRING, nid);
if (ret != WOLFSSL_SUCCESS) {
wolfSSL_X509_ATTRIBUTE_free(attr);
}
else {
if (req->reqAttributes == NULL) {
req->reqAttributes = wolfSSL_sk_new_node(req->heap);
if (req->reqAttributes != NULL) {
req->reqAttributes->type = STACK_TYPE_X509_REQ_ATTR;
}
}
ret = wolfSSL_sk_push(req->reqAttributes, attr);
if ((ret != WOLFSSL_SUCCESS) || (req->reqAttributes->type == STACK_TYPE_CIPHER)) {
/* CIPHER type makes a copy */
wolfSSL_X509_ATTRIBUTE_free(attr);
}
}
return ret;
}
WOLFSSL_X509 *wolfSSL_X509_to_X509_REQ(WOLFSSL_X509 *x,
WOLFSSL_EVP_PKEY *pkey, const WOLFSSL_EVP_MD *md)
{
WOLFSSL_ENTER("wolfSSL_X509_to_X509_REQ");
(void)pkey;
(void)md;
return wolfSSL_X509_dup(x);
}
int wolfSSL_X509_REQ_set_subject_name(WOLFSSL_X509 *req,
WOLFSSL_X509_NAME *name)
{
return wolfSSL_X509_set_subject_name(req, name);
}
int wolfSSL_X509_REQ_set_pubkey(WOLFSSL_X509 *req, WOLFSSL_EVP_PKEY *pkey)
{
return wolfSSL_X509_set_pubkey(req, pkey);
}
#endif /* OPENSSL_ALL && WOLFSSL_CERT_GEN && WOLFSSL_CERT_REQ */
#if (defined(OPENSSL_ALL) || defined(OPENSSL_EXTRA)) && \
(defined(WOLFSSL_CERT_GEN) || defined(WOLFSSL_CERT_REQ))
WOLFSSL_ASN1_TYPE *wolfSSL_X509_ATTRIBUTE_get0_type(
WOLFSSL_X509_ATTRIBUTE *attr, int idx)
{
WOLFSSL_ENTER("wolfSSL_X509_ATTRIBUTE_get0_type");
if (!attr || idx != 0) {
WOLFSSL_MSG("Bad parameter");
return NULL;
}
return attr->value;
}
/**
* @param req X509_REQ containing attribute
* @return the number of attributes
*/
int wolfSSL_X509_REQ_get_attr_count(const WOLFSSL_X509 *req)
{
if (req == NULL || req->reqAttributes == NULL)
return 0;
return wolfSSL_sk_num(req->reqAttributes);
}
/**
* @param req X509_REQ containing attribute
* @param loc NID of the attribute to return
*/
WOLFSSL_X509_ATTRIBUTE *wolfSSL_X509_REQ_get_attr(
const WOLFSSL_X509 *req, int loc)
{
WOLFSSL_ENTER("wolfSSL_X509_REQ_get_attr");
if (!req || req->reqAttributes == NULL) {
WOLFSSL_MSG("Bad parameter");
return NULL;
}
return (WOLFSSL_X509_ATTRIBUTE*)wolfSSL_sk_value(req->reqAttributes, loc);
}
/* Return NID as the attr index */
int wolfSSL_X509_REQ_get_attr_by_NID(const WOLFSSL_X509 *req,
int nid, int lastpos)
{
WOLFSSL_STACK* sk;
int idx;
WOLFSSL_ENTER("wolfSSL_X509_REQ_get_attr_by_NID");
if (!req) {
WOLFSSL_MSG("Bad parameter");
return WOLFSSL_FATAL_ERROR;
}
/* search through stack for first matching nid */
idx = lastpos + 1;
do {
sk = wolfSSL_sk_get_node(req->reqAttributes, idx);
if (sk != NULL) {
WOLFSSL_X509_ATTRIBUTE* attr;
attr = (WOLFSSL_X509_ATTRIBUTE*)sk->data.generic;
if (nid == attr->object->nid) {
/* found a match */
break;
}
}
idx++;
} while (sk != NULL);
/* no matches found */
if (sk == NULL) {
idx = WOLFSSL_FATAL_ERROR;
}
return idx;
}
WOLFSSL_X509_ATTRIBUTE* wolfSSL_X509_ATTRIBUTE_new(void)
{
WOLFSSL_X509_ATTRIBUTE* ret;
WOLFSSL_ENTER("wolfSSL_X509_ATTRIBUTE_new");
ret = (WOLFSSL_X509_ATTRIBUTE*)XMALLOC(sizeof(WOLFSSL_X509_ATTRIBUTE),
NULL, DYNAMIC_TYPE_OPENSSL);
if (!ret) {
WOLFSSL_MSG("malloc error");
return NULL;
}
XMEMSET(ret, 0, sizeof(WOLFSSL_X509_ATTRIBUTE));
ret->object = wolfSSL_ASN1_OBJECT_new();
ret->value = wolfSSL_ASN1_TYPE_new();
/* Don't allocate ret->set since WOLFSSL_ASN1_TYPE
* is not supported as a stack type */
if (!ret->object || !ret->value) {
WOLFSSL_MSG("wolfSSL_ASN1_OBJECT_new or wolfSSL_ASN1_TYPE_new error");
wolfSSL_X509_ATTRIBUTE_free(ret);
return NULL;
}
return ret;
}
void wolfSSL_X509_ATTRIBUTE_free(WOLFSSL_X509_ATTRIBUTE* attr)
{
WOLFSSL_ENTER("wolfSSL_X509_ATTRIBUTE_free");
if (attr) {
if (attr->object) {
wolfSSL_ASN1_OBJECT_free(attr->object);
}
if (attr->value) {
wolfSSL_ASN1_TYPE_free(attr->value);
}
if (attr->set) {
wolfSSL_sk_pop_free(attr->set, NULL);
}
XFREE(attr, NULL, DYNAMIC_TYPE_OPENSSL);
}
}
#endif
#endif /* !NO_CERT */
#endif /* !WOLFCRYPT_ONLY */
#endif /* WOLFSSL_X509_INCLUDED */
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