wolfssl-w32/IDE/Renesas/cs+/Projects/t4_demo/wolf_server.c

174 lines
4.7 KiB
C

/* wolf_server.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
*/
#include <stdio.h>
#include <string.h>
#include "r_t4_itcpip.h"
#include "wolfssl/wolfcrypt/settings.h"
#include "wolfssl/ssl.h"
#include "wolfssl/certs_test.h"
#include "wolf_demo.h"
static int my_IORecv(WOLFSSL* ssl, char* buff, int sz, void* ctx)
{
int ret;
ID cepid;
if(ctx != NULL)cepid = *(ID *)ctx;
else return WOLFSSL_CBIO_ERR_GENERAL;
ret = tcp_rcv_dat(cepid, buff, sz, TMO_FEVR);
if(ret == sz)return ret;
else return WOLFSSL_CBIO_ERR_GENERAL;
}
static int my_IOSend(WOLFSSL* ssl, char* buff, int sz, void* ctx)
{
int ret;
ID cepid;
if(ctx != NULL)cepid = *(ID *)ctx;
else return WOLFSSL_CBIO_ERR_GENERAL;
ret = tcp_snd_dat(cepid, buff, sz, TMO_FEVR);
if(ret == sz)return ret;
else return WOLFSSL_CBIO_ERR_GENERAL;
}
WOLFSSL_CTX *wolfSSL_TLS_server_init()
{
int ret;
WOLFSSL_CTX* ctx;
#ifndef NO_FILESYSTEM
#ifdef USE_ECC_CERT
char *cert = "./certs/server-ecc-cert.pem";
char *key = "./certs/server-ecc-key.pem";
#else
char *cert = "./certs/server-cert.pem";
char *key = "./certs/server-key.pem";
#endif
#else
#ifdef USE_ECC_CERT
char *cert = serv_ecc_der_256;
int sizeof_cert = sizeof_serv_ecc_der_256;
char *cert = serv_ecc_key_der_256;
int sizeof_key = sizeof_serv_ecc_key_der_256;
#else
const unsigned char *cert = server_cert_der_2048;
#define sizeof_cert sizeof_server_cert_der_2048
const unsigned char *key = server_key_der_2048;
#define sizeof_key sizeof_server_key_der_2048
#endif
#endif
wolfSSL_Init();
#ifdef DEBUG_WOLFSSL
wolfSSL_Debugging_ON();
#endif
/* Create and initialize WOLFSSL_CTX */
if ((ctx = wolfSSL_CTX_new(wolfSSLv23_server_method_ex((void *)NULL))) == NULL) {
printf("ERROR: failed to create WOLFSSL_CTX\n");
return NULL;
}
#if !defined(NO_FILESYSTEM)
ret = wolfSSL_CTX_use_certificate_file(ctx, cert, 0);
#else
ret = wolfSSL_CTX_use_certificate_buffer(ctx, cert, sizeof_cert, SSL_FILETYPE_ASN1);
#endif
if (ret != SSL_SUCCESS) {
printf("Error %d loading server-cert!\n", ret);
return NULL;
}
/* Load server key into WOLFSSL_CTX */
#if !defined(NO_FILESYSTEM)
ret = wolfSSL_CTX_use_PrivateKey_file(ctx, key, 0);
#else
ret = wolfSSL_CTX_use_PrivateKey_buffer(ctx, key, sizeof_key, SSL_FILETYPE_ASN1);
#endif
if (ret != SSL_SUCCESS) {
printf("Error %d loading server-key!\n", ret);
return NULL;
}
/* Register callbacks */
wolfSSL_SetIORecv(ctx, my_IORecv);
wolfSSL_SetIOSend(ctx, my_IOSend);
return ctx;
}
void wolfSSL_TLS_server(void *v_ctx, func_args *args)
{
ID cepid = 1;
ID repid = 1;
ER ercd;
WOLFSSL_CTX *ctx = (WOLFSSL_CTX *)v_ctx;
(void) args;
WOLFSSL *ssl;
int len;
#define BUFF_SIZE 256
char buff[BUFF_SIZE];
T_IPV4EP dst_addr = {0, 0};
if((ercd = tcp_acp_cep(cepid, repid, &dst_addr, TMO_FEVR)) != E_OK) {
printf("ERROR TCP Accept: %d\n", ercd);
return;
}
if((ssl = wolfSSL_new(ctx)) == NULL) {
printf("ERROR: failed wolfSSL_new\n");
return;
}
wolfSSL_SetIOReadCtx(ssl, (void *)&cepid);
wolfSSL_SetIOWriteCtx(ssl, (void *)&cepid);
if (wolfSSL_accept(ssl) < 0) {
printf("ERROR: SSL Accept(%d)\n", wolfSSL_get_error(ssl, 0));
return;
}
if ((len = wolfSSL_read(ssl, buff, sizeof(buff) - 1)) < 0) {
printf("ERROR: SSL Read(%d)\n", wolfSSL_get_error(ssl, 0));
return;
}
buff[len] = '\0';
printf("Received: %s\n", buff);
if (wolfSSL_write(ssl, buff, len) != len) {
printf("ERROR: SSL Write(%d)\n", wolfSSL_get_error(ssl, 0));
return;
}
wolfSSL_free(ssl);
tcp_sht_cep(cepid);
}