/
tool_operate.c
2510 lines (2198 loc) · 81 KB
/
tool_operate.c
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2020, 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.haxx.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.
*
***************************************************************************/
#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>
#endif
#ifdef __VMS
# include <fabdef.h>
#endif
#ifdef __AMIGA__
# include <proto/dos.h>
#endif
#include "strcase.h"
#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_homedir.h"
#include "tool_libinfo.h"
#include "tool_main.h"
#include "tool_metalink.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 "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
#define CURLseparator "--_curl_--"
#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.haxx.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 == NULL) {
return 0;
}
count = 0;
ret_stat = 1;
while(ret_stat > 0) {
ret_stat = fread(buffer, 1, sizeof(buffer), file);
if(ret_stat != 0)
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 */
/* 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(sizeof(struct per_transfer), 1);
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 */
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);
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->separator_err)
fprintf(global->errors, "%s\n", per->separator_err);
if(per->separator)
printf("%s\n", per->separator);
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 As a f.e. a
* fixed file with implied CC needs to have a byte added for every
* record processed, this can by 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(global->errors, "Can't open '%s'!\n", 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;
if(uploadfilesize != -1)
my_setopt(per->curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
per->input.fd = per->infd;
}
return result;
}
/*
* Call this after a transfer has completed.
*/
static CURLcode post_per_transfer(struct GlobalConfig *global,
struct per_transfer *per,
CURLcode result,
bool *retryp)
{
struct OutStruct *outs = &per->outs;
CURL *curl = per->curl;
struct OperationConfig *config = per->config;
if(!curl || !config)
return result;
*retryp = FALSE;
if(per->infdopen)
close(per->infd);
#ifdef __VMS
if(is_vms_shell()) {
/* VMS DCL shell behavior */
if(!global->showerror)
vms_show = VMSSTS_HIDE;
}
else
#endif
if(config->synthetic_error) {
;
}
else if(result && global->showerror) {
fprintf(global->errors, "curl: (%d) %s\n", result,
(per->errorbuffer[0]) ? per->errorbuffer :
curl_easy_strerror(result));
if(result == CURLE_PEER_FAILED_VERIFICATION)
fputs(CURL_CA_CERT_ERRORMSG, global->errors);
}
/* Set file extended attributes */
if(!result && config->xattr && outs->fopened && outs->stream) {
int rc = fwrite_xattr(curl, fileno(outs->stream));
if(rc)
warnf(config->global, "Error setting extended attributes: %s\n",
strerror(errno));
}
if(!result && !outs->stream && !outs->bytes) {
/* we have received no data despite the transfer was successful
==> force cration 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 */
int rc = fflush(outs->stream);
if(!result && rc) {
/* something went wrong in the writing process */
result = CURLE_WRITE_ERROR;
fprintf(global->errors, "(%d) Failed writing body\n", result);
}
}
#ifdef USE_METALINK
if(per->metalink && !per->metalink_next_res)
fprintf(global->errors, "Metalink: fetching (%s) from (%s) OK\n",
per->mlfile->filename, per->this_url);
if(!per->metalink && config->use_metalink && result == CURLE_OK) {
int rv = parse_metalink(config, outs, per->this_url);
if(!rv) {
fprintf(config->global->errors, "Metalink: parsing (%s) OK\n",
per->this_url);
}
else if(rv == -1)
fprintf(config->global->errors, "Metalink: parsing (%s) FAILED\n",
per->this_url);
}
else if(per->metalink && result == CURLE_OK && !per->metalink_next_res) {
int rv;
(void)fflush(outs->stream);
rv = metalink_check_hash(global, per->mlfile, outs->filename);
if(!rv)
per->metalink_next_res = 1;
}
#endif /* USE_METALINK */
#ifdef USE_METALINK
if(outs->metalink_parser)
metalink_parser_context_delete(outs->metalink_parser);
#endif /* USE_METALINK */
if(outs->is_cd_filename && outs->stream && !global->mute &&
outs->filename)
printf("curl: Saved to filename '%s'\n", outs->filename);
/* 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_TIMEOUT,
RETRY_CONNREFUSED,
RETRY_HTTP,
RETRY_FTP,
RETRY_LAST /* not used */
} retry = RETRY_NO;
long response;
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;
curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &oserrno);
if(ECONNREFUSED == oserrno)
retry = RETRY_CONNREFUSED;
}
else if((CURLE_OK == result) ||
(config->failonerror &&
(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. */
long protocol;
curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
if((protocol == CURLPROTO_HTTP) || (protocol == CURLPROTO_HTTPS)) {
/* This was HTTP(S) */
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
switch(response) {
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) {
long protocol;
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
curl_easy_getinfo(curl, CURLINFO_PROTOCOL, &protocol);
if((protocol == CURLPROTO_FTP || protocol == CURLPROTO_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(retry) {
long sleeptime = 0;
curl_off_t retry_after = 0;
static const char * const m[]={
NULL,
"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 */
}
}
warnf(config->global, "Transient problem: %s "
"Will retry in %ld seconds. "
"%ld retries left.\n",
m[retry], sleeptime/1000L, per->retry_numretries);
per->retry_numretries--;
tool_go_sleep(sleeptime);
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) {
int rc;
/* We have written data to a output file, we truncate file
*/
if(!global->mute)
fprintf(global->errors, "Throwing away %"
CURL_FORMAT_CURL_OFF_T " bytes\n",
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 */
if(!global->mute)
fprintf(global->errors,
"failed to truncate, exiting\n");
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) {
if(!global->mute)
fprintf(global->errors,
"failed seeking to end of file, exiting\n");
return CURLE_WRITE_ERROR;
}
outs->bytes = 0; /* clear for next round */
}
*retryp = TRUE; /* curl_easy_perform loop */
return CURLE_OK;
}
} /* if retry_numretries */
else if(per->metalink) {
/* Metalink: Decide to try the next resource or not. Try the next resource
if download was not successful. */
long response;
if(CURLE_OK == result) {
/* TODO We want to try next resource when download was
not successful. How to know that? */
char *effective_url = NULL;
curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
if(effective_url &&
curl_strnequal(effective_url, "http", 4)) {
/* This was HTTP(S) */
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
if(response != 200 && response != 206) {
per->metalink_next_res = 1;
fprintf(global->errors,
"Metalink: fetching (%s) from (%s) FAILED "
"(HTTP status code %ld)\n",
per->mlfile->filename, per->this_url, response);
}
}
}
else {
per->metalink_next_res = 1;
fprintf(global->errors,
"Metalink: fetching (%s) from (%s) FAILED (%s)\n",
per->mlfile->filename, per->this_url,
curl_easy_strerror(result));
}
}
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);
if(config->writeout)
ourWriteOut(per->curl, &per->outs, config->writeout);
/* Close the outs file */
if(outs->fopened && outs->stream) {
int rc = fclose(outs->stream);
if(!result && rc) {
/* something went wrong in the writing process */
result = CURLE_WRITE_ERROR;
fprintf(global->errors, "(%d) Failed writing body\n", result);
}
}
/* 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, config->global->errors);
}
/* 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->separator_err);
free(per->separator);
free(per->outfile);
free(per->uploadfile);
return CURLE_OK;
}
static 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->httpgetfields);
Curl_safefree(state->uploadfile);
if(state->inglob) {
/* Free list of globbed upload files */
glob_cleanup(state->inglob);
state->inglob = NULL;
}
}
}
/* 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;
metalinkfile *mlfile_last = NULL;
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 a http get */
httpgetfields = state->httpgetfields = strdup(config->postfields);
Curl_safefree(config->postfields);
if(!httpgetfields) {
errorf(global, "out of memory\n");
result = CURLE_OUT_OF_MEMORY;
}
else 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) {
char *infiles; /* might be a glob pattern */
URLGlob *inglob = state->inglob;
bool metalink = FALSE; /* metalink download? */
metalinkfile *mlfile;
metalink_resource *mlres;
urlnode = config->state.urlnode;
if(urlnode->flags & GETOUT_METALINK) {
metalink = 1;
if(mlfile_last == NULL) {
mlfile_last = config->metalinkfile_list;
}
mlfile = mlfile_last;
mlfile_last = mlfile_last->next;
mlres = mlfile->resource;
}
else {
mlfile = NULL;
mlres = NULL;
}
/* 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;
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\n");
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->showerror?global->errors:NULL);
if(result)
break;
config->state.inglob = inglob;
}
{
int separator;
unsigned long 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\n");
}
else if(!state->up) {
state->uploadfile = strdup(infiles);
if(!state->uploadfile) {
errorf(global, "out of memory\n");
result = CURLE_OUT_OF_MEMORY;
}
}
}
if(result)
break;
}
if(!state->urlnum) {
if(metalink) {
/* For Metalink download, we don't use glob. Instead we use
the number of resources as urlnum. */
urlnum = count_next_metalink_resource(mlfile);
}
else 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->showerror?global->errors:NULL);
if(result)
break;
urlnum = state->urlnum;
}
else
urlnum = 1; /* without globbing, this is a single URL */
}
else
urlnum = state->urlnum;
/* if multiple files extracted to stdout, insert separators! */
separator = ((!state->outfiles ||
!strcmp(state->outfiles, "-")) && urlnum > 1);
if(state->up < state->infilenum) {
struct per_transfer *per;
struct OutStruct *outs;
struct InStruct *input;
struct OutStruct *heads;
struct OutStruct *etag_save;
struct HdrCbData *hdrcbdata = NULL;
CURL *curl = curl_easy_init();
result = add_per_transfer(&per);
if(result || !curl) {
curl_easy_cleanup(curl);
result = CURLE_OUT_OF_MEMORY;
break;
}
if(state->uploadfile) {
per->uploadfile = strdup(state->uploadfile);
if(!per->uploadfile) {
curl_easy_cleanup(curl);
result = CURLE_OUT_OF_MEMORY;
break;
}
}
*added = TRUE;
per->config = config;
per->curl = curl;
/* 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;
newfile = fopen(config->headerfile, per->prev == NULL?"wb":"ab");
if(!newfile) {
warnf(config->global, "Failed to open %s\n", 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;
input = &per->input;
per->outfile = NULL;
per->infdopen = FALSE;
per->infd = STDIN_FILENO;
/* default output stream is stdout */
outs->stream = stdout;
/* --etag-save */
etag_save = &per->etag_save;
etag_save->stream = stdout;
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(
config->global,
"Failed to open %s\n", config->etag_save_file);
result = CURLE_WRITE_ERROR;
break;
}
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);
}
}
/* --etag-compare */
if(config->etag_compare_file) {
char *etag_from_file = NULL;
char *header = NULL;
/* open file for reading: */
FILE *file = fopen(config->etag_compare_file, FOPEN_READTEXT);
if(!file) {
errorf(config->global,
"Failed to open %s\n", 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(config->global,
"Failed to allocate memory for custom etag header\n");
result = CURLE_OUT_OF_MEMORY;
break;
}
/* add Etag from file to list of custom headers */
add2list(&config->headers, header);
Curl_safefree(header);
if(file) {
fclose(file);
}
}
if(metalink) {
/* For Metalink download, use name in Metalink file as
filename. */
per->outfile = strdup(mlfile->filename);
if(!per->outfile) {
result = CURLE_OUT_OF_MEMORY;
break;
}
per->this_url = strdup(mlres->url);
if(!per->this_url) {
result = CURLE_OUT_OF_MEMORY;
break;
}
per->mlfile = mlfile;
}
else {
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;