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curl-w32/src/tool_operate.c

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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "tool_setup.h"
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_LOCALE_H
# include <locale.h>
#endif
#ifdef HAVE_SYS_SELECT_H
# include <sys/select.h>
#elif defined(HAVE_UNISTD_H)
# include <unistd.h>
#endif
#ifdef __VMS
# include <fabdef.h>
#endif
#ifdef __AMIGA__
# include <proto/dos.h>
#endif
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_binmode.h"
#include "tool_cfgable.h"
#include "tool_cb_dbg.h"
#include "tool_cb_hdr.h"
#include "tool_cb_prg.h"
#include "tool_cb_rea.h"
#include "tool_cb_see.h"
#include "tool_cb_wrt.h"
#include "tool_dirhie.h"
#include "tool_doswin.h"
#include "tool_easysrc.h"
#include "tool_filetime.h"
#include "tool_getparam.h"
#include "tool_helpers.h"
#include "tool_findfile.h"
#include "tool_libinfo.h"
#include "tool_main.h"
#include "tool_msgs.h"
#include "tool_operate.h"
#include "tool_operhlp.h"
#include "tool_paramhlp.h"
#include "tool_parsecfg.h"
#include "tool_setopt.h"
#include "tool_sleep.h"
#include "tool_urlglob.h"
#include "tool_util.h"
#include "tool_writeout.h"
#include "tool_xattr.h"
#include "tool_vms.h"
#include "tool_help.h"
#include "tool_hugehelp.h"
#include "tool_progress.h"
#include "tool_ipfs.h"
#include "dynbuf.h"
#include "memdebug.h" /* keep this as LAST include */
#ifdef CURLDEBUG
/* libcurl's debug builds provide an extra function */
CURLcode curl_easy_perform_ev(CURL *easy);
#endif
#ifndef O_BINARY
/* since O_BINARY as used in bitmasks, setting it to zero makes it usable in
source code but yet it doesn't ruin anything */
# define O_BINARY 0
#endif
#define CURL_CA_CERT_ERRORMSG \
"More details here: https://curl.se/docs/sslcerts.html\n\n" \
"curl failed to verify the legitimacy of the server and therefore " \
"could not\nestablish a secure connection to it. To learn more about " \
"this situation and\nhow to fix it, please visit the web page mentioned " \
"above.\n"
static CURLcode single_transfer(struct GlobalConfig *global,
struct OperationConfig *config,
CURLSH *share,
bool capath_from_env,
bool *added);
static CURLcode create_transfer(struct GlobalConfig *global,
CURLSH *share,
bool *added);
static bool is_fatal_error(CURLcode code)
{
switch(code) {
case CURLE_FAILED_INIT:
case CURLE_OUT_OF_MEMORY:
case CURLE_UNKNOWN_OPTION:
case CURLE_FUNCTION_NOT_FOUND:
case CURLE_BAD_FUNCTION_ARGUMENT:
/* critical error */
return TRUE;
default:
break;
}
/* no error or not critical */
return FALSE;
}
/*
* Check if a given string is a PKCS#11 URI
*/
static bool is_pkcs11_uri(const char *string)
{
if(curl_strnequal(string, "pkcs11:", 7)) {
return TRUE;
}
else {
return FALSE;
}
}
#ifdef __VMS
/*
* get_vms_file_size does what it takes to get the real size of the file
*
* For fixed files, find out the size of the EOF block and adjust.
*
* For all others, have to read the entire file in, discarding the contents.
* Most posted text files will be small, and binary files like zlib archives
* and CD/DVD images should be either a STREAM_LF format or a fixed format.
*
*/
static curl_off_t vms_realfilesize(const char *name,
const struct_stat *stat_buf)
{
char buffer[8192];
curl_off_t count;
int ret_stat;
FILE * file;
/* !checksrc! disable FOPENMODE 1 */
file = fopen(name, "r"); /* VMS */
if(!file) {
return 0;
}
count = 0;
ret_stat = 1;
while(ret_stat > 0) {
ret_stat = fread(buffer, 1, sizeof(buffer), file);
if(ret_stat)
count += ret_stat;
}
fclose(file);
return count;
}
/*
*
* VmsSpecialSize checks to see if the stat st_size can be trusted and
* if not to call a routine to get the correct size.
*
*/
static curl_off_t VmsSpecialSize(const char *name,
const struct_stat *stat_buf)
{
switch(stat_buf->st_fab_rfm) {
case FAB$C_VAR:
case FAB$C_VFC:
return vms_realfilesize(name, stat_buf);
break;
default:
return stat_buf->st_size;
}
}
#endif /* __VMS */
#define BUFFER_SIZE (100*1024)
struct per_transfer *transfers; /* first node */
static struct per_transfer *transfersl; /* last node */
static curl_off_t all_pers;
/* add_per_transfer creates a new 'per_transfer' node in the linked
list of transfers */
static CURLcode add_per_transfer(struct per_transfer **per)
{
struct per_transfer *p;
p = calloc(1, sizeof(struct per_transfer));
if(!p)
return CURLE_OUT_OF_MEMORY;
if(!transfers)
/* first entry */
transfersl = transfers = p;
else {
/* make the last node point to the new node */
transfersl->next = p;
/* make the new node point back to the formerly last node */
p->prev = transfersl;
/* move the last node pointer to the new entry */
transfersl = p;
}
*per = p;
all_xfers++; /* count total number of transfers added */
all_pers++;
return CURLE_OK;
}
/* Remove the specified transfer from the list (and free it), return the next
in line */
static struct per_transfer *del_per_transfer(struct per_transfer *per)
{
struct per_transfer *n;
struct per_transfer *p;
DEBUGASSERT(transfers);
DEBUGASSERT(transfersl);
DEBUGASSERT(per);
n = per->next;
p = per->prev;
if(p)
p->next = n;
else
transfers = n;
if(n)
n->prev = p;
else
transfersl = p;
free(per);
all_pers--;
return n;
}
static CURLcode pre_transfer(struct GlobalConfig *global,
struct per_transfer *per)
{
curl_off_t uploadfilesize = -1;
struct_stat fileinfo;
CURLcode result = CURLE_OK;
if(per->uploadfile && !stdin_upload(per->uploadfile)) {
/* VMS Note:
*
* Reading binary from files can be a problem... Only FIXED, VAR
* etc WITHOUT implied CC will work. Others need a \n appended to
* a line
*
* - Stat gives a size but this is UNRELIABLE in VMS. E.g.
* a fixed file with implied CC needs to have a byte added for every
* record processed, this can be derived from Filesize & recordsize
* for VARiable record files the records need to be counted! for
* every record add 1 for linefeed and subtract 2 for the record
* header for VARIABLE header files only the bare record data needs
* to be considered with one appended if implied CC
*/
#ifdef __VMS
/* Calculate the real upload size for VMS */
per->infd = -1;
if(stat(per->uploadfile, &fileinfo) == 0) {
fileinfo.st_size = VmsSpecialSize(uploadfile, &fileinfo);
switch(fileinfo.st_fab_rfm) {
case FAB$C_VAR:
case FAB$C_VFC:
case FAB$C_STMCR:
per->infd = open(per->uploadfile, O_RDONLY | O_BINARY);
break;
default:
per->infd = open(per->uploadfile, O_RDONLY | O_BINARY,
"rfm=stmlf", "ctx=stm");
}
}
if(per->infd == -1)
#else
per->infd = open(per->uploadfile, O_RDONLY | O_BINARY);
if((per->infd == -1) || fstat(per->infd, &fileinfo))
#endif
{
helpf(tool_stderr, "Can't open '%s'", per->uploadfile);
if(per->infd != -1) {
close(per->infd);
per->infd = STDIN_FILENO;
}
return CURLE_READ_ERROR;
}
per->infdopen = TRUE;
/* we ignore file size for char/block devices, sockets, etc. */
if(S_ISREG(fileinfo.st_mode))
uploadfilesize = fileinfo.st_size;
#ifdef DEBUGBUILD
/* allow dedicated test cases to override */
{
char *ev = getenv("CURL_UPLOAD_SIZE");
if(ev) {
int sz = atoi(ev);
uploadfilesize = (curl_off_t)sz;
}
}
#endif
if(uploadfilesize != -1) {
struct OperationConfig *config = per->config; /* for the macro below */
#ifdef CURL_DISABLE_LIBCURL_OPTION
(void)config;
(void)global;
#endif
my_setopt(per->curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
}
}
per->uploadfilesize = uploadfilesize;
per->start = tvnow();
return result;
}
/* When doing serial transfers, we use a single fixed error area */
static char global_errorbuffer[CURL_ERROR_SIZE];
void single_transfer_cleanup(struct OperationConfig *config)
{
if(config) {
struct State *state = &config->state;
if(state->urls) {
/* Free list of remaining URLs */
glob_cleanup(state->urls);
state->urls = NULL;
}
Curl_safefree(state->outfiles);
Curl_safefree(state->uploadfile);
if(state->inglob) {
/* Free list of globbed upload files */
glob_cleanup(state->inglob);
state->inglob = NULL;
}
}
}
/*
* Call this after a transfer has completed.
*/
static CURLcode post_per_transfer(struct GlobalConfig *global,
struct per_transfer *per,
CURLcode result,
bool *retryp,
long *delay) /* milliseconds! */
{
struct OutStruct *outs = &per->outs;
CURL *curl = per->curl;
struct OperationConfig *config = per->config;
int rc;
if(!curl || !config)
return result;
*retryp = FALSE;
*delay = 0; /* for no retry, keep it zero */
if(per->infdopen)
close(per->infd);
#ifdef __VMS
if(is_vms_shell()) {
/* VMS DCL shell behavior */
if(global->silent && !global->showerror)
vms_show = VMSSTS_HIDE;
}
else
#endif
if(!config->synthetic_error && result &&
(!global->silent || global->showerror)) {
const char *msg = per->errorbuffer;
fprintf(tool_stderr, "curl: (%d) %s\n", result,
(msg && msg[0]) ? msg : curl_easy_strerror(result));
if(result == CURLE_PEER_FAILED_VERIFICATION)
fputs(CURL_CA_CERT_ERRORMSG, tool_stderr);
}
else if(config->failwithbody) {
/* if HTTP response >= 400, return error */
long code = 0;
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
if(code >= 400) {
if(!global->silent || global->showerror)
fprintf(tool_stderr,
"curl: (%d) The requested URL returned error: %ld\n",
CURLE_HTTP_RETURNED_ERROR, code);
result = CURLE_HTTP_RETURNED_ERROR;
}
}
/* Set file extended attributes */
if(!result && config->xattr && outs->fopened && outs->stream) {
rc = fwrite_xattr(curl, per->this_url, fileno(outs->stream));
if(rc)
warnf(config->global, "Error setting extended attributes on '%s': %s",
outs->filename, strerror(errno));
}
if(!result && !outs->stream && !outs->bytes) {
/* we have received no data despite the transfer was successful
==> force creation of an empty output file (if an output file
was specified) */
long cond_unmet = 0L;
/* do not create (or even overwrite) the file in case we get no
data because of unmet condition */
curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &cond_unmet);
if(!cond_unmet && !tool_create_output_file(outs, config))
result = CURLE_WRITE_ERROR;
}
if(!outs->s_isreg && outs->stream) {
/* Dump standard stream buffered data */
rc = fflush(outs->stream);
if(!result && rc) {
/* something went wrong in the writing process */
result = CURLE_WRITE_ERROR;
errorf(global, "Failed writing body");
}
}
#ifdef _WIN32
/* Discard incomplete UTF-8 sequence buffered from body */
if(outs->utf8seq[0])
memset(outs->utf8seq, 0, sizeof(outs->utf8seq));
#endif
/* if retry-max-time is non-zero, make sure we haven't exceeded the
time */
if(per->retry_numretries &&
(!config->retry_maxtime ||
(tvdiff(tvnow(), per->retrystart) <
config->retry_maxtime*1000L)) ) {
enum {
RETRY_NO,
RETRY_ALL_ERRORS,
RETRY_TIMEOUT,
RETRY_CONNREFUSED,
RETRY_HTTP,
RETRY_FTP,
RETRY_LAST /* not used */
} retry = RETRY_NO;
long response = 0;
if((CURLE_OPERATION_TIMEDOUT == result) ||
(CURLE_COULDNT_RESOLVE_HOST == result) ||
(CURLE_COULDNT_RESOLVE_PROXY == result) ||
(CURLE_FTP_ACCEPT_TIMEOUT == result))
/* retry timeout always */
retry = RETRY_TIMEOUT;
else if(config->retry_connrefused &&
(CURLE_COULDNT_CONNECT == result)) {
long oserrno = 0;
curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &oserrno);
if(ECONNREFUSED == oserrno)
retry = RETRY_CONNREFUSED;
}
else if((CURLE_OK == result) ||
((config->failonerror || config->failwithbody) &&
(CURLE_HTTP_RETURNED_ERROR == result))) {
/* If it returned OK. _or_ failonerror was enabled and it
returned due to such an error, check for HTTP transient
errors to retry on. */
const char *scheme;
curl_easy_getinfo(curl, CURLINFO_SCHEME, &scheme);
scheme = proto_token(scheme);
if(scheme == proto_http || scheme == proto_https) {
/* This was HTTP(S) */
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
switch(response) {
case 408: /* Request Timeout */
case 429: /* Too Many Requests (RFC6585) */
case 500: /* Internal Server Error */
case 502: /* Bad Gateway */
case 503: /* Service Unavailable */
case 504: /* Gateway Timeout */
retry = RETRY_HTTP;
/*
* At this point, we have already written data to the output
* file (or terminal). If we write to a file, we must rewind
* or close/re-open the file so that the next attempt starts
* over from the beginning.
*
* TODO: similar action for the upload case. We might need
* to start over reading from a previous point if we have
* uploaded something when this was returned.
*/
break;
}
}
} /* if CURLE_OK */
else if(result) {
const char *scheme;
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
curl_easy_getinfo(curl, CURLINFO_SCHEME, &scheme);
scheme = proto_token(scheme);
if((scheme == proto_ftp || scheme == proto_ftps) && response / 100 == 4)
/*
* This is typically when the FTP server only allows a certain
* amount of users and we are not one of them. All 4xx codes
* are transient.
*/
retry = RETRY_FTP;
}
if(result && !retry && config->retry_all_errors)
retry = RETRY_ALL_ERRORS;
if(retry) {
long sleeptime = 0;
curl_off_t retry_after = 0;
static const char * const m[]={
NULL,
"(retrying all errors)",
": timeout",
": connection refused",
": HTTP error",
": FTP error"
};
sleeptime = per->retry_sleep;
if(RETRY_HTTP == retry) {
curl_easy_getinfo(curl, CURLINFO_RETRY_AFTER, &retry_after);
if(retry_after) {
/* store in a 'long', make sure it doesn't overflow */
if(retry_after > LONG_MAX/1000)
sleeptime = LONG_MAX;
else
sleeptime = (long)retry_after * 1000; /* milliseconds */
/* if adding retry_after seconds to the process would exceed the
maximum time allowed for retrying, then exit the retries right
away */
if(config->retry_maxtime) {
curl_off_t seconds = tvdiff(tvnow(), per->retrystart)/1000;
if((CURL_OFF_T_MAX - retry_after < seconds) ||
(seconds + retry_after > config->retry_maxtime)) {
warnf(config->global, "The Retry-After: time would "
"make this command line exceed the maximum allowed time "
"for retries.");
goto noretry;
}
}
}
}
warnf(config->global, "Problem %s. "
"Will retry in %ld seconds. "
"%ld retries left.",
m[retry], sleeptime/1000L, per->retry_numretries);
per->retry_numretries--;
if(!config->retry_delay) {
per->retry_sleep *= 2;
if(per->retry_sleep > RETRY_SLEEP_MAX)
per->retry_sleep = RETRY_SLEEP_MAX;
}
if(outs->bytes && outs->filename && outs->stream) {
/* We have written data to an output file, we truncate file
*/
notef(config->global,
"Throwing away %" CURL_FORMAT_CURL_OFF_T " bytes",
outs->bytes);
fflush(outs->stream);
/* truncate file at the position where we started appending */
#ifdef HAVE_FTRUNCATE
if(ftruncate(fileno(outs->stream), outs->init)) {
/* when truncate fails, we can't just append as then we'll
create something strange, bail out */
errorf(config->global, "Failed to truncate file");
return CURLE_WRITE_ERROR;
}
/* now seek to the end of the file, the position where we
just truncated the file in a large file-safe way */
rc = fseek(outs->stream, 0, SEEK_END);
#else
/* ftruncate is not available, so just reposition the file
to the location we would have truncated it. This won't
work properly with large files on 32-bit systems, but
most of those will have ftruncate. */
rc = fseek(outs->stream, (long)outs->init, SEEK_SET);
#endif
if(rc) {
errorf(config->global, "Failed seeking to end of file");
return CURLE_WRITE_ERROR;
}
outs->bytes = 0; /* clear for next round */
}
*retryp = TRUE;
*delay = sleeptime;
return CURLE_OK;
}
} /* if retry_numretries */
noretry:
if((global->progressmode == CURL_PROGRESS_BAR) &&
per->progressbar.calls)
/* if the custom progress bar has been displayed, we output a
newline here */
fputs("\n", per->progressbar.out);
/* Close the outs file */
if(outs->fopened && outs->stream) {
rc = fclose(outs->stream);
if(!result && rc) {
/* something went wrong in the writing process */
result = CURLE_WRITE_ERROR;
errorf(config->global, "curl: (%d) Failed writing body", result);
}
if(result && config->rm_partial) {
struct_stat st;
if(!stat(outs->filename, &st) &&
S_ISREG(st.st_mode)) {
if(!unlink(outs->filename))
notef(global, "Removed output file: %s", outs->filename);
else
warnf(global, "Failed removing: %s", outs->filename);
}
else
warnf(global, "Skipping removal; not a regular file: %s",
outs->filename);
}
}
/* File time can only be set _after_ the file has been closed */
if(!result && config->remote_time && outs->s_isreg && outs->filename) {
/* Ask libcurl if we got a remote file time */
curl_off_t filetime = -1;
curl_easy_getinfo(curl, CURLINFO_FILETIME_T, &filetime);
setfiletime(filetime, outs->filename, global);
}
/* Write the --write-out data before cleanup but after result is final */
if(config->writeout)
ourWriteOut(config, per, result);
/* Close function-local opened file descriptors */
if(per->heads.fopened && per->heads.stream)
fclose(per->heads.stream);
if(per->heads.alloc_filename)
Curl_safefree(per->heads.filename);
if(per->etag_save.fopened && per->etag_save.stream)
fclose(per->etag_save.stream);
if(per->etag_save.alloc_filename)
Curl_safefree(per->etag_save.filename);
curl_easy_cleanup(per->curl);
if(outs->alloc_filename)
free(outs->filename);
free(per->this_url);
free(per->outfile);
free(per->uploadfile);
if(global->parallel)
free(per->errorbuffer);
return result;
}
/*
* Return the protocol token for the scheme used in the given URL
*/
static CURLcode url_proto(char **url,
struct OperationConfig *config,
char **scheme)
{
CURLcode result = CURLE_OK;
CURLU *uh = curl_url();
const char *proto = NULL;
*scheme = NULL;
if(uh) {
if(*url) {
char *schemep = NULL;
if(!curl_url_set(uh, CURLUPART_URL, *url,
CURLU_GUESS_SCHEME | CURLU_NON_SUPPORT_SCHEME) &&
!curl_url_get(uh, CURLUPART_SCHEME, &schemep,
CURLU_DEFAULT_SCHEME)) {
if(curl_strequal(schemep, proto_ipfs) ||
curl_strequal(schemep, proto_ipns)) {
result = ipfs_url_rewrite(uh, schemep, url, config);
/* short-circuit proto_token, we know it's ipfs or ipns */
if(curl_strequal(schemep, proto_ipfs))
proto = proto_ipfs;
else if(curl_strequal(schemep, proto_ipns))
proto = proto_ipns;
if(result)
config->synthetic_error = TRUE;
}
else
proto = proto_token(schemep);
curl_free(schemep);
}
}
curl_url_cleanup(uh);
}
*scheme = (char *) (proto? proto: "???"); /* Never match if not found. */
return result;
}
/* create the next (singular) transfer */
static CURLcode single_transfer(struct GlobalConfig *global,
struct OperationConfig *config,
CURLSH *share,
bool capath_from_env,
bool *added)
{
CURLcode result = CURLE_OK;
struct getout *urlnode;
bool orig_noprogress = global->noprogress;
bool orig_isatty = global->isatty;
struct State *state = &config->state;
char *httpgetfields = state->httpgetfields;
*added = FALSE; /* not yet */
if(config->postfields) {
if(config->use_httpget) {
if(!httpgetfields) {
/* Use the postfields data for an HTTP get */
httpgetfields = state->httpgetfields = config->postfields;
config->postfields = NULL;
if(SetHTTPrequest(config,
(config->no_body?HTTPREQ_HEAD:HTTPREQ_GET),
&config->httpreq)) {
result = CURLE_FAILED_INIT;
}
}
}
else {
if(SetHTTPrequest(config, HTTPREQ_SIMPLEPOST, &config->httpreq))
result = CURLE_FAILED_INIT;
}
if(result) {
single_transfer_cleanup(config);
return result;
}
}
if(!state->urlnode) {
/* first time caller, setup things */
state->urlnode = config->url_list;
state->infilenum = 1;
}
while(config->state.urlnode) {
static bool warn_more_options = FALSE;
char *infiles; /* might be a glob pattern */
struct URLGlob *inglob = state->inglob;
urlnode = config->state.urlnode;
/* urlnode->url is the full URL (it might be NULL) */
if(!urlnode->url) {
/* This node has no URL. Free node data without destroying the
node itself nor modifying next pointer and continue to next */
Curl_safefree(urlnode->outfile);
Curl_safefree(urlnode->infile);
urlnode->flags = 0;
config->state.urlnode = urlnode->next;
state->up = 0;
if(!warn_more_options) {
/* only show this once */
warnf(config->global, "Got more output options than URLs");
warn_more_options = TRUE;
}
continue; /* next URL please */
}
/* save outfile pattern before expansion */
if(urlnode->outfile && !state->outfiles) {
state->outfiles = strdup(urlnode->outfile);
if(!state->outfiles) {
errorf(global, "out of memory");
result = CURLE_OUT_OF_MEMORY;
break;
}
}
infiles = urlnode->infile;
if(!config->globoff && infiles && !inglob) {
/* Unless explicitly shut off */
result = glob_url(&inglob, infiles, &state->infilenum,
(!global->silent || global->showerror)?
tool_stderr:NULL);
if(result)
break;
config->state.inglob = inglob;
}
{
curl_off_t urlnum;
if(!state->up && !infiles)
Curl_nop_stmt;
else {
if(!state->uploadfile) {
if(inglob) {
result = glob_next_url(&state->uploadfile, inglob);
if(result == CURLE_OUT_OF_MEMORY)
errorf(global, "out of memory");
}
else if(!state->up) {
state->uploadfile = strdup(infiles);
if(!state->uploadfile) {
errorf(global, "out of memory");
result = CURLE_OUT_OF_MEMORY;
}
}
}
if(result)
break;
}
if(!state->urlnum) {
if(!config->globoff) {
/* Unless explicitly shut off, we expand '{...}' and '[...]'
expressions and return total number of URLs in pattern set */
result = glob_url(&state->urls, urlnode->url, &state->urlnum,
(!global->silent || global->showerror)?
tool_stderr:NULL);
if(result)
break;
urlnum = state->urlnum;
}
else
urlnum = 1; /* without globbing, this is a single URL */
}
else
urlnum = state->urlnum;
if(state->up < state->infilenum) {
struct per_transfer *per = NULL;
struct OutStruct *outs;
struct OutStruct *heads;
struct OutStruct *etag_save;
struct HdrCbData *hdrcbdata = NULL;
struct OutStruct etag_first;
char *use_proto;
CURL *curl;
/* --etag-save */
memset(&etag_first, 0, sizeof(etag_first));
etag_save = &etag_first;
etag_save->stream = stdout;
/* --etag-compare */
if(config->etag_compare_file) {
char *etag_from_file = NULL;
char *header = NULL;
ParameterError pe;
/* open file for reading: */
FILE *file = fopen(config->etag_compare_file, FOPEN_READTEXT);
if(!file && !config->etag_save_file) {
errorf(global,
"Failed to open %s", config->etag_compare_file);
result = CURLE_READ_ERROR;
break;
}
if((PARAM_OK == file2string(&etag_from_file, file)) &&
etag_from_file) {
header = aprintf("If-None-Match: %s", etag_from_file);
Curl_safefree(etag_from_file);
}
else
header = aprintf("If-None-Match: \"\"");
if(!header) {
if(file)
fclose(file);
errorf(global,
"Failed to allocate memory for custom etag header");
result = CURLE_OUT_OF_MEMORY;
break;
}
/* add Etag from file to list of custom headers */
pe = add2list(&config->headers, header);
Curl_safefree(header);
if(file)
fclose(file);
if(pe != PARAM_OK) {
result = CURLE_OUT_OF_MEMORY;
break;
}
}
if(config->etag_save_file) {
/* open file for output: */
if(strcmp(config->etag_save_file, "-")) {
FILE *newfile = fopen(config->etag_save_file, "wb");
if(!newfile) {
warnf(global, "Failed creating file for saving etags: \"%s\". "
"Skip this transfer", config->etag_save_file);
Curl_safefree(state->outfiles);
glob_cleanup(state->urls);
return CURLE_OK;
}
else {
etag_save->filename = config->etag_save_file;
etag_save->s_isreg = TRUE;
etag_save->fopened = TRUE;
etag_save->stream = newfile;
}
}
else {
/* always use binary mode for protocol header output */
set_binmode(etag_save->stream);
}
}
curl = curl_easy_init();
if(curl)
result = add_per_transfer(&per);
else
result = CURLE_OUT_OF_MEMORY;
if(result) {
curl_easy_cleanup(curl);
if(etag_save->fopened)
fclose(etag_save->stream);
break;
}
per->etag_save = etag_first; /* copy the whole struct */
if(state->uploadfile) {
per->uploadfile = strdup(state->uploadfile);
if(!per->uploadfile) {
curl_easy_cleanup(curl);
result = CURLE_OUT_OF_MEMORY;
break;
}
if(SetHTTPrequest(config, HTTPREQ_PUT, &config->httpreq)) {
Curl_safefree(per->uploadfile);
curl_easy_cleanup(curl);
result = CURLE_FAILED_INIT;
break;
}
}
*added = TRUE;
per->config = config;
per->curl = curl;
per->urlnum = urlnode->num;
/* default headers output stream is stdout */
heads = &per->heads;
heads->stream = stdout;
/* Single header file for all URLs */
if(config->headerfile) {
/* open file for output: */
if(strcmp(config->headerfile, "-")) {
FILE *newfile;
/*
* Since every transfer has its own file handle for dumping
* the headers, we need to open it in append mode, since transfers
* might finish in any order.
* The first transfer just clears the file.
* TODO: Consider placing the file handle inside the
* OperationConfig, so that it does not need to be opened/closed
* for every transfer.
*/
if(!per->prev || per->prev->config != config) {
newfile = fopen(config->headerfile, "wb");
if(newfile)
fclose(newfile);
}
newfile = fopen(config->headerfile, "ab");
if(!newfile) {
errorf(global, "Failed to open %s", config->headerfile);
result = CURLE_WRITE_ERROR;
break;
}
else {
heads->filename = config->headerfile;
heads->s_isreg = TRUE;
heads->fopened = TRUE;
heads->stream = newfile;
}
}
else {
/* always use binary mode for protocol header output */
set_binmode(heads->stream);
}
}
hdrcbdata = &per->hdrcbdata;
outs = &per->outs;
per->outfile = NULL;
per->infdopen = FALSE;
per->infd = STDIN_FILENO;
/* default output stream is stdout */
outs->stream = stdout;
if(state->urls) {
result = glob_next_url(&per->this_url, state->urls);
if(result)
break;
}
else if(!state->li) {
per->this_url = strdup(urlnode->url);
if(!per->this_url) {
result = CURLE_OUT_OF_MEMORY;
break;
}
}
else
per->this_url = NULL;
if(!per->this_url)
break;
if(state->outfiles) {
per->outfile = strdup(state->outfiles);
if(!per->outfile) {
result = CURLE_OUT_OF_MEMORY;
break;
}
}
if(((urlnode->flags&GETOUT_USEREMOTE) ||
(per->outfile && strcmp("-", per->outfile)))) {
/*
* We have specified a file name to store the result in, or we have
* decided we want to use the remote file name.
*/
if(!per->outfile) {
/* extract the file name from the URL */
result = get_url_file_name(&per->outfile, per->this_url);
if(result) {
errorf(global, "Failed to extract a sensible file name"
" from the URL to use for storage");
break;
}
if(!*per->outfile && !config->content_disposition) {
errorf(global, "Remote file name has no length");
result = CURLE_WRITE_ERROR;
break;
}
}
else if(state->urls) {
/* fill '#1' ... '#9' terms from URL pattern */
char *storefile = per->outfile;
result = glob_match_url(&per->outfile, storefile, state->urls);
Curl_safefree(storefile);
if(result) {
/* bad globbing */
warnf(global, "bad output glob");
break;
}
if(!*per->outfile) {
warnf(global, "output glob produces empty string");
result = CURLE_WRITE_ERROR;
break;
}
}
if(config->output_dir && *config->output_dir) {
char *d = aprintf("%s/%s", config->output_dir, per->outfile);
if(!d) {
result = CURLE_WRITE_ERROR;
break;
}
free(per->outfile);
per->outfile = d;
}
/* Create the directory hierarchy, if not pre-existent to a multiple
file output call */
if(config->create_dirs) {
result = create_dir_hierarchy(per->outfile, global);
/* create_dir_hierarchy shows error upon CURLE_WRITE_ERROR */
if(result)
break;
}
if((urlnode->flags & GETOUT_USEREMOTE)
&& config->content_disposition) {
/* Our header callback MIGHT set the filename */
DEBUGASSERT(!outs->filename);
}
if(config->resume_from_current) {
/* We're told to continue from where we are now. Get the size
of the file as it is now and open it for append instead */
struct_stat fileinfo;
/* VMS -- Danger, the filesize is only valid for stream files */
if(0 == stat(per->outfile, &fileinfo))
/* set offset to current file size: */
config->resume_from = fileinfo.st_size;
else
/* let offset be 0 */
config->resume_from = 0;
}
if(config->resume_from) {
#ifdef __VMS
/* open file for output, forcing VMS output format into stream
mode which is needed for stat() call above to always work. */
FILE *file = fopen(outfile, "ab",
"ctx=stm", "rfm=stmlf", "rat=cr", "mrs=0");
#else
/* open file for output: */
FILE *file = fopen(per->outfile, "ab");
#endif
if(!file) {
errorf(global, "Can't open '%s'", per->outfile);
result = CURLE_WRITE_ERROR;
break;
}
outs->fopened = TRUE;
outs->stream = file;
outs->init = config->resume_from;
}
else {
outs->stream = NULL; /* open when needed */
}
outs->filename = per->outfile;
outs->s_isreg = TRUE;
}
if(per->uploadfile && !stdin_upload(per->uploadfile)) {
/*
* We have specified a file to upload and it isn't "-".
*/
result = add_file_name_to_url(per->curl, &per->this_url,
per->uploadfile);
if(result)
break;
}
else if(per->uploadfile && stdin_upload(per->uploadfile)) {
/* count to see if there are more than one auth bit set
in the authtype field */
int authbits = 0;
int bitcheck = 0;
while(bitcheck < 32) {
if(config->authtype & (1UL << bitcheck++)) {
authbits++;
if(authbits > 1) {
/* more than one, we're done! */
break;
}
}
}
/*
* If the user has also selected --anyauth or --proxy-anyauth
* we should warn them.
*/
if(config->proxyanyauth || (authbits>1)) {
warnf(global,
"Using --anyauth or --proxy-anyauth with upload from stdin"
" involves a big risk of it not working. Use a temporary"
" file or a fixed auth type instead");
}
DEBUGASSERT(per->infdopen == FALSE);
DEBUGASSERT(per->infd == STDIN_FILENO);
set_binmode(stdin);
if(!strcmp(per->uploadfile, ".")) {
if(curlx_nonblock((curl_socket_t)per->infd, TRUE) < 0)
warnf(global,
"fcntl failed on fd=%d: %s", per->infd, strerror(errno));
}
}
if(per->uploadfile && config->resume_from_current)
config->resume_from = -1; /* -1 will then force get-it-yourself */
if(output_expected(per->this_url, per->uploadfile) && outs->stream &&
isatty(fileno(outs->stream)))
/* we send the output to a tty, therefore we switch off the progress
meter */
per->noprogress = global->noprogress = global->isatty = TRUE;
else {
/* progress meter is per download, so restore config
values */
per->noprogress = global->noprogress = orig_noprogress;
global->isatty = orig_isatty;
}
if(httpgetfields || config->query) {
char *q = httpgetfields ? httpgetfields : config->query;
CURLU *uh = curl_url();
if(uh) {
CURLUcode uerr;
uerr = curl_url_set(uh, CURLUPART_URL, per->this_url,
CURLU_GUESS_SCHEME);
if(uerr) {
result = urlerr_cvt(uerr);
errorf(global, "(%d) Could not parse the URL, "
"failed to set query", result);
config->synthetic_error = TRUE;
}
else {
char *updated = NULL;
uerr = curl_url_set(uh, CURLUPART_QUERY, q, CURLU_APPENDQUERY);
if(!uerr)
uerr = curl_url_get(uh, CURLUPART_URL, &updated,
CURLU_GUESS_SCHEME);
if(uerr)
result = urlerr_cvt(uerr);
else {
Curl_safefree(per->this_url); /* free previous URL */
per->this_url = updated; /* use our new URL instead! */
}
}
curl_url_cleanup(uh);
if(result)
break;
}
}
if((!per->outfile || !strcmp(per->outfile, "-")) &&
!config->use_ascii) {
/* We get the output to stdout and we have not got the ASCII/text
flag, then set stdout to be binary */
set_binmode(stdout);
}
/* explicitly passed to stdout means okaying binary gunk */
config->terminal_binary_ok =
(per->outfile && !strcmp(per->outfile, "-"));
/* Avoid having this setopt added to the --libcurl source output. */
result = curl_easy_setopt(curl, CURLOPT_SHARE, share);
if(result)
break;
/* result is only used when for ipfs and ipns, ignored otherwise */
result = url_proto(&per->this_url, config, &use_proto);
if(result && (use_proto == proto_ipfs || use_proto == proto_ipns))
break;
/* On most modern OSes, exiting works thoroughly,
we'll clean everything up via exit(), so don't bother with
slow cleanups. Crappy ones might need to skip this.
Note: avoid having this setopt added to the --libcurl source
output. */
result = curl_easy_setopt(curl, CURLOPT_QUICK_EXIT, 1L);
if(result)
break;
if(!config->tcp_nodelay)
my_setopt(curl, CURLOPT_TCP_NODELAY, 0L);
if(config->tcp_fastopen)
my_setopt(curl, CURLOPT_TCP_FASTOPEN, 1L);
/* where to store */
my_setopt(curl, CURLOPT_WRITEDATA, per);
my_setopt(curl, CURLOPT_INTERLEAVEDATA, per);
/* what call to write */
my_setopt(curl, CURLOPT_WRITEFUNCTION, tool_write_cb);
/* Note that if CURLOPT_READFUNCTION is fread (the default), then
* lib/telnet.c will Curl_poll() on the input file descriptor
* rather than calling the READFUNCTION at regular intervals.
* The circumstances in which it is preferable to enable this
* behavior, by omitting to set the READFUNCTION & READDATA options,
* have not been determined.
*/
my_setopt(curl, CURLOPT_READDATA, per);
/* what call to read */
my_setopt(curl, CURLOPT_READFUNCTION, tool_read_cb);
/* in 7.18.0, the CURLOPT_SEEKFUNCTION/DATA pair is taking over what
CURLOPT_IOCTLFUNCTION/DATA pair previously provided for seeking */
my_setopt(curl, CURLOPT_SEEKDATA, per);
my_setopt(curl, CURLOPT_SEEKFUNCTION, tool_seek_cb);
{
#ifdef CURLDEBUG
char *env = getenv("CURL_BUFFERSIZE");
if(env) {
long size = strtol(env, NULL, 10);
if(size)
my_setopt(curl, CURLOPT_BUFFERSIZE, size);
}
else
#endif
if(config->recvpersecond &&
(config->recvpersecond < BUFFER_SIZE))
/* use a smaller sized buffer for better sleeps */
my_setopt(curl, CURLOPT_BUFFERSIZE, (long)config->recvpersecond);
else
my_setopt(curl, CURLOPT_BUFFERSIZE, (long)BUFFER_SIZE);
}
my_setopt_str(curl, CURLOPT_URL, per->this_url);
my_setopt(curl, CURLOPT_NOPROGRESS,
global->noprogress || global->silent?1L:0L);
if(config->no_body)
my_setopt(curl, CURLOPT_NOBODY, 1L);
if(config->oauth_bearer)
my_setopt_str(curl, CURLOPT_XOAUTH2_BEARER, config->oauth_bearer);
my_setopt_str(curl, CURLOPT_PROXY, config->proxy);
if(config->proxy && result) {
errorf(global, "proxy support is disabled in this libcurl");
config->synthetic_error = TRUE;
result = CURLE_NOT_BUILT_IN;
break;
}
/* new in libcurl 7.5 */
if(config->proxy)
my_setopt_enum(curl, CURLOPT_PROXYTYPE, config->proxyver);
my_setopt_str(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
/* new in libcurl 7.3 */
my_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel?1L:0L);
/* new in libcurl 7.52.0 */
if(config->preproxy)
my_setopt_str(curl, CURLOPT_PRE_PROXY, config->preproxy);
/* new in libcurl 7.10.6 */
if(config->proxyanyauth)
my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
(long)CURLAUTH_ANY);
else if(config->proxynegotiate)
my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
(long)CURLAUTH_GSSNEGOTIATE);
else if(config->proxyntlm)
my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
(long)CURLAUTH_NTLM);
else if(config->proxydigest)
my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
(long)CURLAUTH_DIGEST);
else if(config->proxybasic)
my_setopt_bitmask(curl, CURLOPT_PROXYAUTH,
(long)CURLAUTH_BASIC);
/* new in libcurl 7.19.4 */
my_setopt_str(curl, CURLOPT_NOPROXY, config->noproxy);
my_setopt(curl, CURLOPT_SUPPRESS_CONNECT_HEADERS,
config->suppress_connect_headers?1L:0L);
my_setopt(curl, CURLOPT_FAILONERROR, config->failonerror?1L:0L);
my_setopt(curl, CURLOPT_REQUEST_TARGET, config->request_target);
my_setopt(curl, CURLOPT_UPLOAD, per->uploadfile?1L:0L);
my_setopt(curl, CURLOPT_DIRLISTONLY, config->dirlistonly?1L:0L);
my_setopt(curl, CURLOPT_APPEND, config->ftp_append?1L:0L);
if(config->netrc_opt)
my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_OPTIONAL);
else if(config->netrc || config->netrc_file)
my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_REQUIRED);
else
my_setopt_enum(curl, CURLOPT_NETRC, (long)CURL_NETRC_IGNORED);
if(config->netrc_file)
my_setopt_str(curl, CURLOPT_NETRC_FILE, config->netrc_file);
my_setopt(curl, CURLOPT_TRANSFERTEXT, config->use_ascii?1L:0L);
if(config->login_options)
my_setopt_str(curl, CURLOPT_LOGIN_OPTIONS, config->login_options);
my_setopt_str(curl, CURLOPT_USERPWD, config->userpwd);
my_setopt_str(curl, CURLOPT_RANGE, config->range);
if(!global->parallel) {
per->errorbuffer = global_errorbuffer;
my_setopt(curl, CURLOPT_ERRORBUFFER, global_errorbuffer);
}
my_setopt(curl, CURLOPT_TIMEOUT_MS, config->timeout_ms);
switch(config->httpreq) {
case HTTPREQ_SIMPLEPOST:
if(config->resume_from) {
errorf(global, "cannot mix --continue-at with --data");
result = CURLE_FAILED_INIT;
}
else {
my_setopt_str(curl, CURLOPT_POSTFIELDS,
curlx_dyn_ptr(&config->postdata));
my_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE,
(curl_off_t)curlx_dyn_len(&config->postdata));
}
break;
case HTTPREQ_MIMEPOST:
/* free previous remainders */
curl_mime_free(config->mimepost);
config->mimepost = NULL;
if(config->resume_from) {
errorf(global, "cannot mix --continue-at with --form");
result = CURLE_FAILED_INIT;
}
else {
result = tool2curlmime(curl, config->mimeroot, &config->mimepost);
if(!result)
my_setopt_mimepost(curl, CURLOPT_MIMEPOST, config->mimepost);
}
break;
default:
break;
}
if(result)
break;
/* new in libcurl 7.81.0 */
if(config->mime_options)
my_setopt(curl, CURLOPT_MIME_OPTIONS, config->mime_options);
/* new in libcurl 7.10.6 (default is Basic) */
if(config->authtype)
my_setopt_bitmask(curl, CURLOPT_HTTPAUTH, (long)config->authtype);
my_setopt_slist(curl, CURLOPT_HTTPHEADER, config->headers);
if(proto_http || proto_rtsp) {
my_setopt_str(curl, CURLOPT_REFERER, config->referer);
my_setopt_str(curl, CURLOPT_USERAGENT, config->useragent);
}
if(proto_http) {
long postRedir = 0;
my_setopt(curl, CURLOPT_FOLLOWLOCATION,
config->followlocation?1L:0L);
my_setopt(curl, CURLOPT_UNRESTRICTED_AUTH,
config->unrestricted_auth?1L:0L);
my_setopt_str(curl, CURLOPT_AWS_SIGV4, config->aws_sigv4);
my_setopt(curl, CURLOPT_AUTOREFERER, config->autoreferer?1L:0L);
/* new in libcurl 7.36.0 */
if(config->proxyheaders) {
my_setopt_slist(curl, CURLOPT_PROXYHEADER, config->proxyheaders);
my_setopt(curl, CURLOPT_HEADEROPT, (long)CURLHEADER_SEPARATE);
}
/* new in libcurl 7.5 */
my_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
if(config->httpversion)
my_setopt_enum(curl, CURLOPT_HTTP_VERSION, config->httpversion);
else if(feature_http2)
my_setopt_enum(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
/* curl 7.19.1 (the 301 version existed in 7.18.2),
303 was added in 7.26.0 */
if(config->post301)
postRedir |= CURL_REDIR_POST_301;
if(config->post302)
postRedir |= CURL_REDIR_POST_302;
if(config->post303)
postRedir |= CURL_REDIR_POST_303;
my_setopt(curl, CURLOPT_POSTREDIR, postRedir);
/* new in libcurl 7.21.6 */
if(config->encoding)
my_setopt_str(curl, CURLOPT_ACCEPT_ENCODING, "");
/* new in libcurl 7.21.6 */
if(config->tr_encoding)
my_setopt(curl, CURLOPT_TRANSFER_ENCODING, 1L);
/* new in libcurl 7.64.0 */
my_setopt(curl, CURLOPT_HTTP09_ALLOWED,
config->http09_allowed ? 1L : 0L);
if(result) {
errorf(global, "HTTP/0.9 is not supported in this build");
return result;
}
} /* (proto_http) */
if(proto_ftp)
my_setopt_str(curl, CURLOPT_FTPPORT, config->ftpport);
my_setopt(curl, CURLOPT_LOW_SPEED_LIMIT,
config->low_speed_limit);
my_setopt(curl, CURLOPT_LOW_SPEED_TIME, config->low_speed_time);
my_setopt(curl, CURLOPT_MAX_SEND_SPEED_LARGE,
config->sendpersecond);
my_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE,
config->recvpersecond);
if(config->use_resume)
my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, config->resume_from);
else
my_setopt(curl, CURLOPT_RESUME_FROM_LARGE, CURL_OFF_T_C(0));
my_setopt_str(curl, CURLOPT_KEYPASSWD, config->key_passwd);
my_setopt_str(curl, CURLOPT_PROXY_KEYPASSWD, config->proxy_key_passwd);
if(use_proto == proto_scp || use_proto == proto_sftp) {
/* SSH and SSL private key uses same command-line option */
/* new in libcurl 7.16.1 */
my_setopt_str(curl, CURLOPT_SSH_PRIVATE_KEYFILE, config->key);
/* new in libcurl 7.16.1 */
my_setopt_str(curl, CURLOPT_SSH_PUBLIC_KEYFILE, config->pubkey);
/* new in libcurl 7.17.1: SSH host key md5 checking allows us
to fail if we are not talking to who we think we should */
my_setopt_str(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_MD5,
config->hostpubmd5);
/* new in libcurl 7.80.0: SSH host key sha256 checking allows us
to fail if we are not talking to who we think we should */
my_setopt_str(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256,
config->hostpubsha256);
/* new in libcurl 7.56.0 */
if(config->ssh_compression)
my_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L);
}
if(config->cacert)
my_setopt_str(curl, CURLOPT_CAINFO, config->cacert);
if(config->proxy_cacert)
my_setopt_str(curl, CURLOPT_PROXY_CAINFO, config->proxy_cacert);
if(config->capath) {
result = res_setopt_str(curl, CURLOPT_CAPATH, config->capath);
if(result == CURLE_NOT_BUILT_IN) {
warnf(global, "ignoring %s, not supported by libcurl",
capath_from_env?
"SSL_CERT_DIR environment variable":"--capath");
}
else if(result)
break;
}
/* For the time being if --proxy-capath is not set then we use the
--capath value for it, if any. See #1257 */
if(config->proxy_capath || config->capath) {
result = res_setopt_str(curl, CURLOPT_PROXY_CAPATH,
(config->proxy_capath ?
config->proxy_capath :
config->capath));
if((result == CURLE_NOT_BUILT_IN) ||
(result == CURLE_UNKNOWN_OPTION)) {
if(config->proxy_capath) {
warnf(global,
"ignoring --proxy-capath, not supported by libcurl");
}
}
else if(result)
break;
}
if(config->crlfile)
my_setopt_str(curl, CURLOPT_CRLFILE, config->crlfile);
if(config->proxy_crlfile)
my_setopt_str(curl, CURLOPT_PROXY_CRLFILE, config->proxy_crlfile);
else if(config->crlfile) /* CURLOPT_PROXY_CRLFILE default is crlfile */
my_setopt_str(curl, CURLOPT_PROXY_CRLFILE, config->crlfile);
if(config->pinnedpubkey)
my_setopt_str(curl, CURLOPT_PINNEDPUBLICKEY, config->pinnedpubkey);
if(config->ssl_ec_curves)
my_setopt_str(curl, CURLOPT_SSL_EC_CURVES, config->ssl_ec_curves);
if(config->writeout)
my_setopt_str(curl, CURLOPT_CERTINFO, 1L);
if(feature_ssl) {
/* Check if config->cert is a PKCS#11 URI and set the
* config->cert_type if necessary */
if(config->cert) {
if(!config->cert_type) {
if(is_pkcs11_uri(config->cert)) {
config->cert_type = strdup("ENG");
}
}
}
/* Check if config->key is a PKCS#11 URI and set the
* config->key_type if necessary */
if(config->key) {
if(!config->key_type) {
if(is_pkcs11_uri(config->key)) {
config->key_type = strdup("ENG");
}
}
}
/* Check if config->proxy_cert is a PKCS#11 URI and set the
* config->proxy_type if necessary */
if(config->proxy_cert) {
if(!config->proxy_cert_type) {
if(is_pkcs11_uri(config->proxy_cert)) {
config->proxy_cert_type = strdup("ENG");
}
}
}
/* Check if config->proxy_key is a PKCS#11 URI and set the
* config->proxy_key_type if necessary */
if(config->proxy_key) {
if(!config->proxy_key_type) {
if(is_pkcs11_uri(config->proxy_key)) {
config->proxy_key_type = strdup("ENG");
}
}
}
/* In debug build of curl tool, using
* --cert loadmem=<filename>:<password> --cert-type p12
* must do the same thing as classic:
* --cert <filename>:<password> --cert-type p12
* but is designed to test blob */
#if defined(CURLDEBUG) || defined(DEBUGBUILD)
if(config->cert && (strlen(config->cert) > 8) &&
(memcmp(config->cert, "loadmem=",8) == 0)) {
FILE *fInCert = fopen(config->cert + 8, "rb");
void *certdata = NULL;
long filesize = 0;
bool continue_reading = fInCert != NULL;
if(continue_reading)
continue_reading = fseek(fInCert, 0, SEEK_END) == 0;
if(continue_reading)
filesize = ftell(fInCert);
if(filesize < 0)
continue_reading = FALSE;
if(continue_reading)
continue_reading = fseek(fInCert, 0, SEEK_SET) == 0;
if(continue_reading)
certdata = malloc(((size_t)filesize) + 1);
if((!certdata) ||
((int)fread(certdata, (size_t)filesize, 1, fInCert) != 1))
continue_reading = FALSE;
if(fInCert)
fclose(fInCert);
if((filesize > 0) && continue_reading) {
struct curl_blob structblob;
structblob.data = certdata;
structblob.len = (size_t)filesize;
structblob.flags = CURL_BLOB_COPY;
my_setopt_str(curl, CURLOPT_SSLCERT_BLOB, &structblob);
/* if test run well, we are sure we don't reuse
* original mem pointer */
memset(certdata, 0, (size_t)filesize);
}
free(certdata);
}
else
#endif
my_setopt_str(curl, CURLOPT_SSLCERT, config->cert);
my_setopt_str(curl, CURLOPT_PROXY_SSLCERT, config->proxy_cert);
my_setopt_str(curl, CURLOPT_SSLCERTTYPE, config->cert_type);
my_setopt_str(curl, CURLOPT_PROXY_SSLCERTTYPE,
config->proxy_cert_type);
#if defined(CURLDEBUG) || defined(DEBUGBUILD)
if(config->key && (strlen(config->key) > 8) &&
(memcmp(config->key, "loadmem=",8) == 0)) {
FILE *fInCert = fopen(config->key + 8, "rb");
void *certdata = NULL;
long filesize = 0;
bool continue_reading = fInCert != NULL;
if(continue_reading)
continue_reading = fseek(fInCert, 0, SEEK_END) == 0;
if(continue_reading)
filesize = ftell(fInCert);
if(filesize < 0)
continue_reading = FALSE;
if(continue_reading)
continue_reading = fseek(fInCert, 0, SEEK_SET) == 0;
if(continue_reading)
certdata = malloc(((size_t)filesize) + 1);
if((!certdata) ||
((int)fread(certdata, (size_t)filesize, 1, fInCert) != 1))
continue_reading = FALSE;
if(fInCert)
fclose(fInCert);
if((filesize > 0) && continue_reading) {
struct curl_blob structblob;
structblob.data = certdata;
structblob.len = (size_t)filesize;
structblob.flags = CURL_BLOB_COPY;
my_setopt_str(curl, CURLOPT_SSLKEY_BLOB, &structblob);
/* if test run well, we are sure we don't reuse
* original mem pointer */
memset(certdata, 0, (size_t)filesize);
}
free(certdata);
}
else
#endif
my_setopt_str(curl, CURLOPT_SSLKEY, config->key);
my_setopt_str(curl, CURLOPT_PROXY_SSLKEY, config->proxy_key);
my_setopt_str(curl, CURLOPT_SSLKEYTYPE, config->key_type);
my_setopt_str(curl, CURLOPT_PROXY_SSLKEYTYPE,
config->proxy_key_type);
if(config->insecure_ok) {
my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
}
else {
my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
/* libcurl default is strict verifyhost -> 2L */
/* my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L); */
}
if(config->doh_insecure_ok) {
my_setopt(curl, CURLOPT_DOH_SSL_VERIFYPEER, 0L);
my_setopt(curl, CURLOPT_DOH_SSL_VERIFYHOST, 0L);
}
if(config->proxy_insecure_ok) {
my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYPEER, 0L);
my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYHOST, 0L);
}
else {
my_setopt(curl, CURLOPT_PROXY_SSL_VERIFYPEER, 1L);
}
if(config->verifystatus)
my_setopt(curl, CURLOPT_SSL_VERIFYSTATUS, 1L);
if(config->doh_verifystatus)
my_setopt(curl, CURLOPT_DOH_SSL_VERIFYSTATUS, 1L);
if(config->falsestart)
my_setopt(curl, CURLOPT_SSL_FALSESTART, 1L);
my_setopt_enum(curl, CURLOPT_SSLVERSION,
config->ssl_version | config->ssl_version_max);
if(config->proxy)
my_setopt_enum(curl, CURLOPT_PROXY_SSLVERSION,
config->proxy_ssl_version);
{
long mask =
(config->ssl_allow_beast ?
CURLSSLOPT_ALLOW_BEAST : 0) |
(config->ssl_no_revoke ?
CURLSSLOPT_NO_REVOKE : 0) |
(config->ssl_revoke_best_effort ?
CURLSSLOPT_REVOKE_BEST_EFFORT : 0) |
(config->native_ca_store ?
CURLSSLOPT_NATIVE_CA : 0) |
(config->ssl_auto_client_cert ?
CURLSSLOPT_AUTO_CLIENT_CERT : 0);
if(mask)
my_setopt_bitmask(curl, CURLOPT_SSL_OPTIONS, mask);
}
{
long mask =
(config->proxy_ssl_allow_beast ?
CURLSSLOPT_ALLOW_BEAST : 0) |
(config->proxy_ssl_auto_client_cert ?
CURLSSLOPT_AUTO_CLIENT_CERT : 0) |
(config->proxy_native_ca_store ?
CURLSSLOPT_NATIVE_CA : 0);
if(mask)
my_setopt_bitmask(curl, CURLOPT_PROXY_SSL_OPTIONS, mask);
}
}
if(config->path_as_is)
my_setopt(curl, CURLOPT_PATH_AS_IS, 1L);
if((use_proto == proto_scp || use_proto == proto_sftp) &&
!config->insecure_ok) {
char *known = findfile(".ssh/known_hosts", FALSE);
if(known) {
/* new in curl 7.19.6 */
result = res_setopt_str(curl, CURLOPT_SSH_KNOWNHOSTS, known);
curl_free(known);
if(result == CURLE_UNKNOWN_OPTION)
/* libssh2 version older than 1.1.1 */
result = CURLE_OK;
if(result)
break;
}
else
warnf(global, "Couldn't find a known_hosts file");
}
if(config->no_body || config->remote_time) {
/* no body or use remote time */
my_setopt(curl, CURLOPT_FILETIME, 1L);
}
my_setopt(curl, CURLOPT_CRLF, config->crlf?1L:0L);
my_setopt_slist(curl, CURLOPT_QUOTE, config->quote);
my_setopt_slist(curl, CURLOPT_POSTQUOTE, config->postquote);
my_setopt_slist(curl, CURLOPT_PREQUOTE, config->prequote);
if(config->cookies) {
struct curlx_dynbuf cookies;
struct curl_slist *cl;
/* The maximum size needs to match MAX_NAME in cookie.h */
#define MAX_COOKIE_LINE 8200
curlx_dyn_init(&cookies, MAX_COOKIE_LINE);
for(cl = config->cookies; cl; cl = cl->next) {
if(cl == config->cookies)
result = curlx_dyn_addf(&cookies, "%s", cl->data);
else
result = curlx_dyn_addf(&cookies, ";%s", cl->data);
if(result) {
warnf(global,
"skipped provided cookie, the cookie header "
"would go over %u bytes", MAX_COOKIE_LINE);
break;
}
}
my_setopt_str(curl, CURLOPT_COOKIE, curlx_dyn_ptr(&cookies));
curlx_dyn_free(&cookies);
}
if(config->cookiefiles) {
struct curl_slist *cfl;
for(cfl = config->cookiefiles; cfl; cfl = cfl->next)
my_setopt_str(curl, CURLOPT_COOKIEFILE, cfl->data);
}
/* new in libcurl 7.9 */
if(config->cookiejar)
my_setopt_str(curl, CURLOPT_COOKIEJAR, config->cookiejar);
/* new in libcurl 7.9.7 */
my_setopt(curl, CURLOPT_COOKIESESSION, config->cookiesession?1L:0L);
my_setopt_enum(curl, CURLOPT_TIMECONDITION, (long)config->timecond);
my_setopt(curl, CURLOPT_TIMEVALUE_LARGE, config->condtime);
my_setopt_str(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
customrequest_helper(config, config->httpreq, config->customrequest);
my_setopt(curl, CURLOPT_STDERR, tool_stderr);
/* three new ones in libcurl 7.3: */
my_setopt_str(curl, CURLOPT_INTERFACE, config->iface);
my_setopt_str(curl, CURLOPT_KRBLEVEL, config->krblevel);
progressbarinit(&per->progressbar, config);
if((global->progressmode == CURL_PROGRESS_BAR) &&
!global->noprogress && !global->silent) {
/* we want the alternative style, then we have to implement it
ourselves! */
my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_progress_cb);
my_setopt(curl, CURLOPT_XFERINFODATA, per);
}
else if(per->uploadfile && !strcmp(per->uploadfile, ".")) {
/* when reading from stdin in non-blocking mode, we use the progress
function to unpause a busy read */
my_setopt(curl, CURLOPT_NOPROGRESS, 0L);
my_setopt(curl, CURLOPT_XFERINFOFUNCTION, tool_readbusy_cb);
my_setopt(curl, CURLOPT_XFERINFODATA, per);
}
/* new in libcurl 7.24.0: */
if(config->dns_servers)
my_setopt_str(curl, CURLOPT_DNS_SERVERS, config->dns_servers);
/* new in libcurl 7.33.0: */
if(config->dns_interface)
my_setopt_str(curl, CURLOPT_DNS_INTERFACE, config->dns_interface);
if(config->dns_ipv4_addr)
my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP4, config->dns_ipv4_addr);
if(config->dns_ipv6_addr)
my_setopt_str(curl, CURLOPT_DNS_LOCAL_IP6, config->dns_ipv6_addr);
/* new in libcurl 7.6.2: */
my_setopt_slist(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);
/* new in libcurl 7.7: */
my_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS, config->connecttimeout_ms);
if(config->doh_url)
my_setopt_str(curl, CURLOPT_DOH_URL, config->doh_url);
if(config->cipher_list)
my_setopt_str(curl, CURLOPT_SSL_CIPHER_LIST, config->cipher_list);
if(config->proxy_cipher_list)
my_setopt_str(curl, CURLOPT_PROXY_SSL_CIPHER_LIST,
config->proxy_cipher_list);
if(config->cipher13_list)
my_setopt_str(curl, CURLOPT_TLS13_CIPHERS, config->cipher13_list);
if(config->proxy_cipher13_list)
my_setopt_str(curl, CURLOPT_PROXY_TLS13_CIPHERS,
config->proxy_cipher13_list);
/* new in libcurl 7.9.2: */
if(config->disable_epsv)
/* disable it */
my_setopt(curl, CURLOPT_FTP_USE_EPSV, 0L);
/* new in libcurl 7.10.5 */
if(config->disable_eprt)
/* disable it */
my_setopt(curl, CURLOPT_FTP_USE_EPRT, 0L);
if(global->tracetype != TRACE_NONE) {
my_setopt(curl, CURLOPT_DEBUGFUNCTION, tool_debug_cb);
my_setopt(curl, CURLOPT_DEBUGDATA, config);
my_setopt(curl, CURLOPT_VERBOSE, 1L);
}
/* new in curl 7.9.3 */
if(config->engine) {
result = res_setopt_str(curl, CURLOPT_SSLENGINE, config->engine);
if(result)
break;
}
/* new in curl 7.10.7, extended in 7.19.4. Modified to use
CREATE_DIR_RETRY in 7.49.0 */
my_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,
(long)(config->ftp_create_dirs?
CURLFTP_CREATE_DIR_RETRY:
CURLFTP_CREATE_DIR_NONE));
/* new in curl 7.10.8 */
if(config->max_filesize)
my_setopt(curl, CURLOPT_MAXFILESIZE_LARGE,
config->max_filesize);
my_setopt(curl, CURLOPT_IPRESOLVE, config->ip_version);
/* new in curl 7.15.5 */
if(config->ftp_ssl_reqd)
my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
/* new in curl 7.11.0 */
else if(config->ftp_ssl)
my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_TRY);
/* new in curl 7.16.0 */
else if(config->ftp_ssl_control)
my_setopt_enum(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_CONTROL);
/* new in curl 7.16.1 */
if(config->ftp_ssl_ccc)
my_setopt_enum(curl, CURLOPT_FTP_SSL_CCC,
(long)config->ftp_ssl_ccc_mode);
/* new in curl 7.19.4 */
if(config->socks5_gssapi_nec)
my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_NEC, 1L);
/* new in curl 7.55.0 */
if(config->socks5_auth)
my_setopt_bitmask(curl, CURLOPT_SOCKS5_AUTH,
(long)config->socks5_auth);
/* new in curl 7.43.0 */
if(config->proxy_service_name)
my_setopt_str(curl, CURLOPT_PROXY_SERVICE_NAME,
config->proxy_service_name);
/* new in curl 7.43.0 */
if(config->service_name)
my_setopt_str(curl, CURLOPT_SERVICE_NAME,
config->service_name);
/* curl 7.13.0 */
my_setopt_str(curl, CURLOPT_FTP_ACCOUNT, config->ftp_account);
my_setopt(curl, CURLOPT_IGNORE_CONTENT_LENGTH, config->ignorecl?1L:0L);
/* curl 7.14.2 */
my_setopt(curl, CURLOPT_FTP_SKIP_PASV_IP, config->ftp_skip_ip?1L:0L);
/* curl 7.15.1 */
if(proto_ftp)
my_setopt(curl, CURLOPT_FTP_FILEMETHOD,
(long)config->ftp_filemethod);
/* curl 7.15.2 */
if(config->localport) {
my_setopt(curl, CURLOPT_LOCALPORT, config->localport);
my_setopt_str(curl, CURLOPT_LOCALPORTRANGE, config->localportrange);
}
/* curl 7.15.5 */
my_setopt_str(curl, CURLOPT_FTP_ALTERNATIVE_TO_USER,
config->ftp_alternative_to_user);
/* curl 7.16.0 */
if(config->disable_sessionid)
/* disable it */
my_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
/* curl 7.16.2 */
if(config->raw) {
my_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, 0L);
my_setopt(curl, CURLOPT_HTTP_TRANSFER_DECODING, 0L);
}
/* curl 7.17.1 */
if(!config->nokeepalive) {
my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
if(config->alivetime) {
my_setopt(curl, CURLOPT_TCP_KEEPIDLE, config->alivetime);
my_setopt(curl, CURLOPT_TCP_KEEPINTVL, config->alivetime);
}
}
else
my_setopt(curl, CURLOPT_TCP_KEEPALIVE, 0L);
/* curl 7.20.0 */
if(config->tftp_blksize && proto_tftp)
my_setopt(curl, CURLOPT_TFTP_BLKSIZE, config->tftp_blksize);
if(config->mail_from)
my_setopt_str(curl, CURLOPT_MAIL_FROM, config->mail_from);
if(config->mail_rcpt)
my_setopt_slist(curl, CURLOPT_MAIL_RCPT, config->mail_rcpt);
/* curl 7.69.x */
my_setopt(curl, CURLOPT_MAIL_RCPT_ALLOWFAILS,
config->mail_rcpt_allowfails ? 1L : 0L);
/* curl 7.20.x */
if(config->ftp_pret)
my_setopt(curl, CURLOPT_FTP_USE_PRET, 1L);
if(config->create_file_mode)
my_setopt(curl, CURLOPT_NEW_FILE_PERMS, config->create_file_mode);
if(config->proto_present)
my_setopt_str(curl, CURLOPT_PROTOCOLS_STR, config->proto_str);
if(config->proto_redir_present)
my_setopt_str(curl, CURLOPT_REDIR_PROTOCOLS_STR,
config->proto_redir_str);
if(config->content_disposition
&& (urlnode->flags & GETOUT_USEREMOTE))
hdrcbdata->honor_cd_filename = TRUE;
else
hdrcbdata->honor_cd_filename = FALSE;
hdrcbdata->outs = outs;
hdrcbdata->heads = heads;
hdrcbdata->etag_save = etag_save;
hdrcbdata->global = global;
hdrcbdata->config = config;
my_setopt(curl, CURLOPT_HEADERFUNCTION, tool_header_cb);
my_setopt(curl, CURLOPT_HEADERDATA, per);
if(config->resolve)
/* new in 7.21.3 */
my_setopt_slist(curl, CURLOPT_RESOLVE, config->resolve);
if(config->connect_to)
/* new in 7.49.0 */
my_setopt_slist(curl, CURLOPT_CONNECT_TO, config->connect_to);
/* new in 7.21.4 */
if(feature_tls_srp) {
if(config->tls_username)
my_setopt_str(curl, CURLOPT_TLSAUTH_USERNAME,
config->tls_username);
if(config->tls_password)
my_setopt_str(curl, CURLOPT_TLSAUTH_PASSWORD,
config->tls_password);
if(config->tls_authtype)
my_setopt_str(curl, CURLOPT_TLSAUTH_TYPE,
config->tls_authtype);
if(config->proxy_tls_username)
my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_USERNAME,
config->proxy_tls_username);
if(config->proxy_tls_password)
my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_PASSWORD,
config->proxy_tls_password);
if(config->proxy_tls_authtype)
my_setopt_str(curl, CURLOPT_PROXY_TLSAUTH_TYPE,
config->proxy_tls_authtype);
}
/* new in 7.22.0 */
if(config->gssapi_delegation)
my_setopt_str(curl, CURLOPT_GSSAPI_DELEGATION,
config->gssapi_delegation);
if(config->mail_auth)
my_setopt_str(curl, CURLOPT_MAIL_AUTH, config->mail_auth);
/* new in 7.66.0 */
if(config->sasl_authzid)
my_setopt_str(curl, CURLOPT_SASL_AUTHZID, config->sasl_authzid);
/* new in 7.31.0 */
if(config->sasl_ir)
my_setopt(curl, CURLOPT_SASL_IR, 1L);
if(config->noalpn) {
my_setopt(curl, CURLOPT_SSL_ENABLE_ALPN, 0L);
}
/* new in 7.40.0, abstract support added in 7.53.0 */
if(config->unix_socket_path) {
if(config->abstract_unix_socket) {
my_setopt_str(curl, CURLOPT_ABSTRACT_UNIX_SOCKET,
config->unix_socket_path);
}
else {
my_setopt_str(curl, CURLOPT_UNIX_SOCKET_PATH,
config->unix_socket_path);
}
}
/* new in 7.45.0 */
if(config->proto_default)
my_setopt_str(curl, CURLOPT_DEFAULT_PROTOCOL, config->proto_default);
/* new in 7.47.0 */
if(config->expect100timeout_ms > 0)
my_setopt_str(curl, CURLOPT_EXPECT_100_TIMEOUT_MS,
config->expect100timeout_ms);
/* new in 7.48.0 */
if(config->tftp_no_options && proto_tftp)
my_setopt(curl, CURLOPT_TFTP_NO_OPTIONS, 1L);
/* new in 7.59.0 */
if(config->happy_eyeballs_timeout_ms != CURL_HET_DEFAULT)
my_setopt(curl, CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS,
config->happy_eyeballs_timeout_ms);
/* new in 7.60.0 */
if(config->haproxy_protocol)
my_setopt(curl, CURLOPT_HAPROXYPROTOCOL, 1L);
/* new in 8.2.0 */
if(config->haproxy_clientip)
my_setopt_str(curl, CURLOPT_HAPROXY_CLIENT_IP,
config->haproxy_clientip);
if(config->disallow_username_in_url)
my_setopt(curl, CURLOPT_DISALLOW_USERNAME_IN_URL, 1L);
if(config->altsvc)
my_setopt_str(curl, CURLOPT_ALTSVC, config->altsvc);
if(config->hsts)
my_setopt_str(curl, CURLOPT_HSTS, config->hsts);
/* initialize retry vars for loop below */
per->retry_sleep_default = (config->retry_delay) ?
config->retry_delay*1000L : RETRY_SLEEP_DEFAULT; /* ms */
per->retry_numretries = config->req_retry;
per->retry_sleep = per->retry_sleep_default; /* ms */
per->retrystart = tvnow();
state->li++;
/* Here's looping around each globbed URL */
if(state->li >= urlnum) {
state->li = 0;
state->urlnum = 0; /* forced reglob of URLs */
glob_cleanup(state->urls);
state->urls = NULL;
state->up++;
Curl_safefree(state->uploadfile); /* clear it to get the next */
}
}
else {
/* Free this URL node data without destroying the
node itself nor modifying next pointer. */
Curl_safefree(urlnode->outfile);
Curl_safefree(urlnode->infile);
urlnode->flags = 0;
glob_cleanup(state->urls);
state->urls = NULL;
state->urlnum = 0;
Curl_safefree(state->outfiles);
Curl_safefree(state->uploadfile);
if(state->inglob) {
/* Free list of globbed upload files */
glob_cleanup(state->inglob);
state->inglob = NULL;
}
config->state.urlnode = urlnode->next;
state->up = 0;
continue;
}
}
break;
}
Curl_safefree(state->outfiles);
if(!*added || result) {
*added = FALSE;
single_transfer_cleanup(config);
}
return result;
}
static long all_added; /* number of easy handles currently added */
/*
* add_parallel_transfers() sets 'morep' to TRUE if there are more transfers
* to add even after this call returns. sets 'addedp' to TRUE if one or more
* transfers were added.
*/
static CURLcode add_parallel_transfers(struct GlobalConfig *global,
CURLM *multi,
CURLSH *share,
bool *morep,
bool *addedp)
{
struct per_transfer *per;
CURLcode result = CURLE_OK;
CURLMcode mcode;
bool sleeping = FALSE;
char *errorbuf;
*addedp = FALSE;
*morep = FALSE;
if(all_pers < (global->parallel_max*2)) {
result = create_transfer(global, share, addedp);
if(result)
return result;
}
for(per = transfers; per && (all_added < global->parallel_max);
per = per->next) {
bool getadded = FALSE;
if(per->added)
/* already added */
continue;
if(per->startat && (time(NULL) < per->startat)) {
/* this is still delaying */
sleeping = TRUE;
continue;
}
per->added = TRUE;
result = pre_transfer(global, per);
if(result)
return result;
errorbuf = malloc(CURL_ERROR_SIZE);
if(!errorbuf)
return CURLE_OUT_OF_MEMORY;
/* parallel connect means that we don't set PIPEWAIT since pipewait
will make libcurl prefer multiplexing */
(void)curl_easy_setopt(per->curl, CURLOPT_PIPEWAIT,
global->parallel_connect ? 0L : 1L);
(void)curl_easy_setopt(per->curl, CURLOPT_PRIVATE, per);
(void)curl_easy_setopt(per->curl, CURLOPT_XFERINFOFUNCTION, xferinfo_cb);
(void)curl_easy_setopt(per->curl, CURLOPT_XFERINFODATA, per);
(void)curl_easy_setopt(per->curl, CURLOPT_NOPROGRESS, 0L);
mcode = curl_multi_add_handle(multi, per->curl);
if(mcode) {
DEBUGASSERT(mcode == CURLM_OUT_OF_MEMORY);
result = CURLE_OUT_OF_MEMORY;
}
if(!result)
result = create_transfer(global, share, &getadded);
if(result) {
free(errorbuf);
return result;
}
errorbuf[0] = 0;
(void)curl_easy_setopt(per->curl, CURLOPT_ERRORBUFFER, errorbuf);
per->errorbuffer = errorbuf;
per->added = TRUE;
all_added++;
*addedp = TRUE;
}
*morep = (per || sleeping) ? TRUE : FALSE;
return CURLE_OK;
}
static CURLcode parallel_transfers(struct GlobalConfig *global,
CURLSH *share)
{
CURLM *multi;
CURLMcode mcode = CURLM_OK;
CURLcode result = CURLE_OK;
int still_running = 1;
struct timeval start = tvnow();
bool more_transfers;
bool added_transfers;
/* wrapitup is set TRUE after a critical error occurs to end all transfers */
bool wrapitup = FALSE;
/* wrapitup_processed is set TRUE after the per transfer abort flag is set */
bool wrapitup_processed = FALSE;
time_t tick = time(NULL);
multi = curl_multi_init();
if(!multi)
return CURLE_OUT_OF_MEMORY;
result = add_parallel_transfers(global, multi, share,
&more_transfers, &added_transfers);
if(result) {
curl_multi_cleanup(multi);
return result;
}
while(!mcode && (still_running || more_transfers)) {
/* If stopping prematurely (eg due to a --fail-early condition) then signal
that any transfers in the multi should abort (via progress callback). */
if(wrapitup) {
if(!still_running)
break;
if(!wrapitup_processed) {
struct per_transfer *per;
for(per = transfers; per; per = per->next) {
if(per->added)
per->abort = TRUE;
}
wrapitup_processed = TRUE;
}
}
mcode = curl_multi_poll(multi, NULL, 0, 1000, NULL);
if(!mcode)
mcode = curl_multi_perform(multi, &still_running);
progress_meter(global, &start, FALSE);
if(!mcode) {
int rc;
CURLMsg *msg;
bool checkmore = FALSE;
do {
msg = curl_multi_info_read(multi, &rc);
if(msg) {
bool retry;
long delay;
struct per_transfer *ended;
CURL *easy = msg->easy_handle;
CURLcode tres = msg->data.result;
curl_easy_getinfo(easy, CURLINFO_PRIVATE, (void *)&ended);
curl_multi_remove_handle(multi, easy);
if(ended->abort && (tres == CURLE_ABORTED_BY_CALLBACK) &&
ended->errorbuffer) {
msnprintf(ended->errorbuffer, CURL_ERROR_SIZE,
"Transfer aborted due to critical error "
"in another transfer");
}
tres = post_per_transfer(global, ended, tres, &retry, &delay);
progress_finalize(ended); /* before it goes away */
all_added--; /* one fewer added */
checkmore = TRUE;
if(retry) {
ended->added = FALSE; /* add it again */
/* we delay retries in full integer seconds only */
ended->startat = delay ? time(NULL) + delay/1000 : 0;
}
else {
/* result receives this transfer's error unless the transfer was
marked for abort due to a critical error in another transfer */
if(tres && (!ended->abort || !result))
result = tres;
if(is_fatal_error(result) || (result && global->fail_early))
wrapitup = TRUE;
(void)del_per_transfer(ended);
}
}
} while(msg);
if(wrapitup) {
if(still_running)
continue;
else
break;
}
if(!checkmore) {
time_t tock = time(NULL);
if(tick != tock) {
checkmore = TRUE;
tick = tock;
}
}
if(checkmore) {
/* one or more transfers completed, add more! */
CURLcode tres = add_parallel_transfers(global, multi, share,
&more_transfers,
&added_transfers);
if(tres)
result = tres;
if(added_transfers)
/* we added new ones, make sure the loop doesn't exit yet */
still_running = 1;
}
if(is_fatal_error(result) || (result && global->fail_early))
wrapitup = TRUE;
}
}
(void)progress_meter(global, &start, TRUE);
/* Make sure to return some kind of error if there was a multi problem */
if(mcode) {
result = (mcode == CURLM_OUT_OF_MEMORY) ? CURLE_OUT_OF_MEMORY :
/* The other multi errors should never happen, so return
something suitably generic */
CURLE_BAD_FUNCTION_ARGUMENT;
}
curl_multi_cleanup(multi);
return result;
}
static CURLcode serial_transfers(struct GlobalConfig *global,
CURLSH *share)
{
CURLcode returncode = CURLE_OK;
CURLcode result = CURLE_OK;
struct per_transfer *per;
bool added = FALSE;
result = create_transfer(global, share, &added);
if(result)
return result;
if(!added) {
errorf(global, "no transfer performed");
return CURLE_READ_ERROR;
}
for(per = transfers; per;) {
bool retry;
long delay_ms;
bool bailout = FALSE;
struct timeval start;
result = pre_transfer(global, per);
if(result)
break;
if(global->libcurl) {
result = easysrc_perform();
if(result)
break;
}
start = tvnow();
#ifdef CURLDEBUG
if(global->test_event_based)
result = curl_easy_perform_ev(per->curl);
else
#endif
result = curl_easy_perform(per->curl);
returncode = post_per_transfer(global, per, result, &retry, &delay_ms);
if(retry) {
tool_go_sleep(delay_ms);
continue;
}
/* Bail out upon critical errors or --fail-early */
if(is_fatal_error(returncode) || (returncode && global->fail_early))
bailout = TRUE;
else {
/* setup the next one just before we delete this */
result = create_transfer(global, share, &added);
if(result) {
returncode = result;
bailout = TRUE;
}
}
per = del_per_transfer(per);
if(bailout)
break;
if(per && global->ms_per_transfer) {
/* how long time did the most recent transfer take in number of
milliseconds */
long milli = tvdiff(tvnow(), start);
if(milli < global->ms_per_transfer) {
notef(global, "Transfer took %ld ms, waits %ldms as set by --rate",
milli, global->ms_per_transfer - milli);
/* The transfer took less time than wanted. Wait a little. */
tool_go_sleep(global->ms_per_transfer - milli);
}
}
}
if(returncode)
/* returncode errors have priority */
result = returncode;
if(result)
single_transfer_cleanup(global->current);
return result;
}
/* setup a transfer for the given config */
static CURLcode transfer_per_config(struct GlobalConfig *global,
struct OperationConfig *config,
CURLSH *share,
bool *added)
{
CURLcode result = CURLE_OK;
bool capath_from_env;
*added = FALSE;
/* Check we have a url */
if(!config->url_list || !config->url_list->url) {
helpf(tool_stderr, "(%d) no URL specified", CURLE_FAILED_INIT);
return CURLE_FAILED_INIT;
}
/* On WIN32 we can't set the path to curl-ca-bundle.crt
* at compile time. So we look here for the file in two ways:
* 1: look at the environment variable CURL_CA_BUNDLE for a path
* 2: if #1 isn't found, use the windows API function SearchPath()
* to find it along the app's path (includes app's dir and CWD)
*
* We support the environment variable thing for non-Windows platforms
* too. Just for the sake of it.
*/
capath_from_env = false;
if(!config->cacert &&
!config->capath &&
(!config->insecure_ok || (config->doh_url && !config->doh_insecure_ok))) {
CURL *curltls = curl_easy_init();
struct curl_tlssessioninfo *tls_backend_info = NULL;
/* With the addition of CAINFO support for Schannel, this search could find
* a certificate bundle that was previously ignored. To maintain backward
* compatibility, only perform this search if not using Schannel.
*/
result = curl_easy_getinfo(curltls, CURLINFO_TLS_SSL_PTR,
&tls_backend_info);
if(result) {
curl_easy_cleanup(curltls);
return result;
}
/* Set the CA cert locations specified in the environment. For Windows if
* no environment-specified filename is found then check for CA bundle
* default filename curl-ca-bundle.crt in the user's PATH.
*
* If Schannel is the selected SSL backend then these locations are
* ignored. We allow setting CA location for schannel only when explicitly
* specified by the user via CURLOPT_CAINFO / --cacert.
*/
if(tls_backend_info->backend != CURLSSLBACKEND_SCHANNEL) {
char *env;
env = curlx_getenv("CURL_CA_BUNDLE");
if(env) {
config->cacert = strdup(env);
if(!config->cacert) {
curl_free(env);
curl_easy_cleanup(curltls);
errorf(global, "out of memory");
return CURLE_OUT_OF_MEMORY;
}
}
else {
env = curlx_getenv("SSL_CERT_DIR");
if(env) {
config->capath = strdup(env);
if(!config->capath) {
curl_free(env);
curl_easy_cleanup(curltls);
errorf(global, "out of memory");
return CURLE_OUT_OF_MEMORY;
}
curl_free(env);
capath_from_env = true;
}
env = curlx_getenv("SSL_CERT_FILE");
if(env) {
config->cacert = strdup(env);
if(!config->cacert) {
curl_free(env);
if(capath_from_env)
free(config->capath);
curl_easy_cleanup(curltls);
errorf(global, "out of memory");
return CURLE_OUT_OF_MEMORY;
}
}
}
if(env)
curl_free(env);
#ifdef _WIN32
else {
result = FindWin32CACert(config, tls_backend_info->backend,
TEXT("curl-ca-bundle.crt"));
}
#endif
}
curl_easy_cleanup(curltls);
}
if(!result)
result = single_transfer(global, config, share, capath_from_env, added);
return result;
}
/*
* 'create_transfer' gets the details and sets up a new transfer if 'added'
* returns TRUE.
*/
static CURLcode create_transfer(struct GlobalConfig *global,
CURLSH *share,
bool *added)
{
CURLcode result = CURLE_OK;
*added = FALSE;
while(global->current) {
result = transfer_per_config(global, global->current, share, added);
if(!result && !*added) {
/* when one set is drained, continue to next */
global->current = global->current->next;
continue;
}
break;
}
return result;
}
static CURLcode run_all_transfers(struct GlobalConfig *global,
CURLSH *share,
CURLcode result)
{
/* Save the values of noprogress and isatty to restore them later on */
bool orig_noprogress = global->noprogress;
bool orig_isatty = global->isatty;
struct per_transfer *per;
/* Time to actually do the transfers */
if(!result) {
if(global->parallel)
result = parallel_transfers(global, share);
else
result = serial_transfers(global, share);
}
/* cleanup if there are any left */
for(per = transfers; per;) {
bool retry;
long delay;
CURLcode result2 = post_per_transfer(global, per, result, &retry, &delay);
if(!result)
/* don't overwrite the original error */
result = result2;
/* Free list of given URLs */
clean_getout(per->config);
per = del_per_transfer(per);
}
/* Reset the global config variables */
global->noprogress = orig_noprogress;
global->isatty = orig_isatty;
return result;
}
CURLcode operate(struct GlobalConfig *global, int argc, argv_item_t argv[])
{
CURLcode result = CURLE_OK;
char *first_arg = argc > 1 ? curlx_convert_tchar_to_UTF8(argv[1]) : NULL;
#ifdef HAVE_SETLOCALE
/* Override locale for number parsing (only) */
setlocale(LC_ALL, "");
setlocale(LC_NUMERIC, "C");
#endif
/* Parse .curlrc if necessary */
if((argc == 1) ||
(first_arg && strncmp(first_arg, "-q", 2) &&
!curl_strequal(first_arg, "--disable"))) {
parseconfig(NULL, global); /* ignore possible failure */
/* If we had no arguments then make sure a url was specified in .curlrc */
if((argc < 2) && (!global->first->url_list)) {
helpf(tool_stderr, NULL);
result = CURLE_FAILED_INIT;
}
}
curlx_unicodefree(first_arg);
if(!result) {
/* Parse the command line arguments */
ParameterError res = parse_args(global, argc, argv);
if(res) {
result = CURLE_OK;
/* Check if we were asked for the help */
if(res == PARAM_HELP_REQUESTED)
tool_help(global->help_category);
/* Check if we were asked for the manual */
else if(res == PARAM_MANUAL_REQUESTED)
hugehelp();
/* Check if we were asked for the version information */
else if(res == PARAM_VERSION_INFO_REQUESTED)
tool_version_info();
/* Check if we were asked to list the SSL engines */
else if(res == PARAM_ENGINES_REQUESTED)
tool_list_engines();
else if(res == PARAM_LIBCURL_UNSUPPORTED_PROTOCOL)
result = CURLE_UNSUPPORTED_PROTOCOL;
else if(res == PARAM_READ_ERROR)
result = CURLE_READ_ERROR;
else
result = CURLE_FAILED_INIT;
}
else {
if(global->libcurl) {
/* Initialise the libcurl source output */
result = easysrc_init();
}
/* Perform the main operations */
if(!result) {
size_t count = 0;
struct OperationConfig *operation = global->first;
CURLSH *share = curl_share_init();
if(!share) {
if(global->libcurl) {
/* Cleanup the libcurl source output */
easysrc_cleanup();
}
result = CURLE_OUT_OF_MEMORY;
}
if(!result) {
curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_COOKIE);
curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_DNS);
curl_share_setopt(share, CURLSHOPT_SHARE,
CURL_LOCK_DATA_SSL_SESSION);
curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_CONNECT);
curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_PSL);
curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_HSTS);
/* Get the required arguments for each operation */
do {
result = get_args(operation, count++);
operation = operation->next;
} while(!result && operation);
/* Set the current operation pointer */
global->current = global->first;
/* now run! */
result = run_all_transfers(global, share, result);
curl_share_cleanup(share);
if(global->libcurl) {
/* Cleanup the libcurl source output */
easysrc_cleanup();
/* Dump the libcurl code if previously enabled */
dumpeasysrc(global);
}
}
}
else
errorf(global, "out of memory");
}
}
varcleanup(global);
return result;
}
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