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-rw-r--r--src/tool_operate.c1559
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diff --git a/src/tool_operate.c b/src/tool_operate.c
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+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, 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 http://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 "setup.h"
+
+#include <curl/curl.h>
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+
+#ifdef HAVE_UTIME_H
+# include <utime.h>
+#elif defined(HAVE_SYS_UTIME_H)
+# include <sys/utime.h>
+#endif
+
+#ifdef HAVE_LOCALE_H
+# include <locale.h>
+#endif
+
+#include "rawstr.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_skt.h"
+#include "tool_cb_wrt.h"
+#include "tool_dirhie.h"
+#include "tool_doswin.h"
+#include "tool_easysrc.h"
+#include "tool_getparam.h"
+#include "tool_helpers.h"
+#include "tool_homedir.h"
+#include "tool_libinfo.h"
+#include "tool_main.h"
+#include "tool_msgs.h"
+#include "tool_operate.h"
+#include "tool_operhlp.h"
+#include "tool_parsecfg.h"
+#include "tool_setopt.h"
+#include "tool_sleep.h"
+#include "tool_urlglob.h"
+#include "tool_util.h"
+#include "tool_writeenv.h"
+#include "tool_writeout.h"
+#include "tool_xattr.h"
+
+#include "memdebug.h" /* keep this as LAST include */
+
+#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_ERRORMSG1 \
+ "More details here: http://curl.haxx.se/docs/sslcerts.html\n\n" \
+ "curl performs SSL certificate verification by default, " \
+ "using a \"bundle\"\n" \
+ " of Certificate Authority (CA) public keys (CA certs). If the default\n" \
+ " bundle file isn't adequate, you can specify an alternate file\n" \
+ " using the --cacert option.\n"
+
+#define CURL_CA_CERT_ERRORMSG2 \
+ "If this HTTPS server uses a certificate signed by a CA represented in\n" \
+ " the bundle, the certificate verification probably failed due to a\n" \
+ " problem with the certificate (it might be expired, or the name might\n" \
+ " not match the domain name in the URL).\n" \
+ "If you'd like to turn off curl's verification of the certificate, use\n" \
+ " the -k (or --insecure) option.\n"
+
+int operate(struct Configurable *config, int argc, argv_item_t argv[])
+{
+ char errorbuffer[CURL_ERROR_SIZE];
+ struct ProgressData progressbar;
+ struct getout *urlnode;
+
+ struct OutStruct heads;
+
+ CURL *curl = NULL;
+ char *httpgetfields = NULL;
+
+ bool stillflags;
+ int res = 0;
+ int i;
+
+ errorbuffer[0] = '\0';
+ /* default headers output stream is stdout */
+ memset(&heads, 0, sizeof(struct OutStruct));
+ heads.stream = stdout;
+ heads.config = config;
+
+ memory_tracking_init();
+
+ /*
+ ** Initialize curl library - do not call any libcurl functions before
+ ** this point. Note that the memory_tracking_init() magic above is an
+ ** exception, but then that's not part of the official public API.
+ */
+ if(main_init() != CURLE_OK) {
+ helpf(config->errors, "error initializing curl library\n");
+ return CURLE_FAILED_INIT;
+ }
+
+ /* Get libcurl info right away */
+ if(get_libcurl_info() != CURLE_OK) {
+ helpf(config->errors, "error retrieving curl library information\n");
+ main_free();
+ return CURLE_FAILED_INIT;
+ }
+
+ /* Get a curl handle to use for all forthcoming curl transfers */
+ curl = curl_easy_init();
+ if(!curl) {
+ helpf(config->errors, "error initializing curl easy handle\n");
+ main_free();
+ return CURLE_FAILED_INIT;
+ }
+ config->easy = curl;
+
+ /*
+ ** Beyond this point no return'ing from this function allowed.
+ ** Jump to label 'quit_curl' in order to abandon this function
+ ** from outside of nested loops further down below.
+ */
+
+ /* setup proper locale from environment */
+#ifdef HAVE_SETLOCALE
+ setlocale(LC_ALL, "");
+#endif
+
+ /* inits */
+ config->postfieldsize = -1;
+ config->showerror = -1; /* will show errors */
+ config->use_httpget = FALSE;
+ config->create_dirs = FALSE;
+ config->maxredirs = DEFAULT_MAXREDIRS;
+ config->proto = CURLPROTO_ALL; /* FIXME: better to read from library */
+ config->proto_present = FALSE;
+ config->proto_redir =
+ CURLPROTO_ALL & ~(CURLPROTO_FILE|CURLPROTO_SCP); /* not FILE or SCP */
+ config->proto_redir_present = FALSE;
+
+ if((argc > 1) &&
+ (!curlx_strnequal("--", argv[1], 2) && (argv[1][0] == '-')) &&
+ strchr(argv[1], 'q')) {
+ /*
+ * The first flag, that is not a verbose name, but a shortname
+ * and it includes the 'q' flag!
+ */
+ ;
+ }
+ else {
+ parseconfig(NULL, config); /* ignore possible failure */
+ }
+
+ if((argc < 2) && !config->url_list) {
+ helpf(config->errors, NULL);
+ res = CURLE_FAILED_INIT;
+ goto quit_curl;
+ }
+
+ /* Parse options */
+ for(i = 1, stillflags = TRUE; i < argc; i++) {
+ if(stillflags &&
+ ('-' == argv[i][0])) {
+ char *nextarg;
+ bool passarg;
+ char *origopt = argv[i];
+
+ char *flag = argv[i];
+
+ if(curlx_strequal("--", argv[i]))
+ /* this indicates the end of the flags and thus enables the
+ following (URL) argument to start with -. */
+ stillflags = FALSE;
+ else {
+ nextarg = (i < (argc-1)) ? argv[i+1] : NULL;
+
+ res = getparameter(flag, nextarg, &passarg, config);
+ if(res) {
+ int retval = CURLE_OK;
+ if(res != PARAM_HELP_REQUESTED) {
+ const char *reason = param2text(res);
+ helpf(config->errors, "option %s: %s\n", origopt, reason);
+ retval = CURLE_FAILED_INIT;
+ }
+ res = retval;
+ goto quit_curl;
+ }
+
+ if(passarg) /* we're supposed to skip this */
+ i++;
+ }
+ }
+ else {
+ bool used;
+ /* just add the URL please */
+ res = getparameter((char *)"--url", argv[i], &used, config);
+ if(res)
+ goto quit_curl;
+ }
+ }
+
+ if((!config->url_list || !config->url_list->url) && !config->list_engines) {
+ helpf(config->errors, "no URL specified!\n");
+ res = CURLE_FAILED_INIT;
+ goto quit_curl;
+ }
+
+ if(!config->useragent)
+ config->useragent = my_useragent();
+ if(!config->useragent) {
+ helpf(config->errors, "out of memory\n");
+ res = CURLE_OUT_OF_MEMORY;
+ goto quit_curl;
+ }
+
+ /* 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.
+ */
+ if(!config->cacert &&
+ !config->capath &&
+ !config->insecure_ok) {
+ char *env;
+ env = curlx_getenv("CURL_CA_BUNDLE");
+ if(env) {
+ config->cacert = strdup(env);
+ if(!config->cacert) {
+ curl_free(env);
+ helpf(config->errors, "out of memory\n");
+ res = CURLE_OUT_OF_MEMORY;
+ goto quit_curl;
+ }
+ }
+ else {
+ env = curlx_getenv("SSL_CERT_DIR");
+ if(env) {
+ config->capath = strdup(env);
+ if(!config->capath) {
+ curl_free(env);
+ helpf(config->errors, "out of memory\n");
+ res = CURLE_OUT_OF_MEMORY;
+ goto quit_curl;
+ }
+ }
+ else {
+ env = curlx_getenv("SSL_CERT_FILE");
+ if(env) {
+ config->cacert = strdup(env);
+ if(!config->cacert) {
+ curl_free(env);
+ helpf(config->errors, "out of memory\n");
+ res = CURLE_OUT_OF_MEMORY;
+ goto quit_curl;
+ }
+ }
+ }
+ }
+
+ if(env)
+ curl_free(env);
+#ifdef WIN32
+ else {
+ res = FindWin32CACert(config, "curl-ca-bundle.crt");
+ if(res)
+ goto quit_curl;
+ }
+#endif
+ }
+
+ if(config->postfields) {
+ if(config->use_httpget) {
+ /* Use the postfields data for a http get */
+ httpgetfields = strdup(config->postfields);
+ Curl_safefree(config->postfields);
+ if(!httpgetfields) {
+ helpf(config->errors, "out of memory\n");
+ res = CURLE_OUT_OF_MEMORY;
+ goto quit_curl;
+ }
+ if(SetHTTPrequest(config,
+ (config->no_body?HTTPREQ_HEAD:HTTPREQ_GET),
+ &config->httpreq)) {
+ res = PARAM_BAD_USE;
+ goto quit_curl;
+ }
+ }
+ else {
+ if(SetHTTPrequest(config, HTTPREQ_SIMPLEPOST, &config->httpreq)) {
+ res = PARAM_BAD_USE;
+ goto quit_curl;
+ }
+ }
+ }
+
+ /* This is the first entry added to easysrc and it initializes the slist */
+ easysrc = curl_slist_append(easysrc, "CURL *hnd = curl_easy_init();");
+ if(!easysrc) {
+ helpf(config->errors, "out of memory\n");
+ res = CURLE_OUT_OF_MEMORY;
+ goto quit_curl;
+ }
+
+ if(config->list_engines) {
+ struct curl_slist *engines = NULL;
+ curl_easy_getinfo(curl, CURLINFO_SSL_ENGINES, &engines);
+ list_engines(engines);
+ curl_slist_free_all(engines);
+ res = CURLE_OK;
+ goto quit_curl;
+ }
+
+ /* Single header file for all URLs */
+ if(config->headerfile) {
+ /* open file for output: */
+ if(!curlx_strequal(config->headerfile, "-")) {
+ FILE *newfile = fopen(config->headerfile, "wb");
+ if(!newfile) {
+ warnf(config, "Failed to open %s\n", config->headerfile);
+ res = CURLE_WRITE_ERROR;
+ goto quit_curl;
+ }
+ else {
+ heads.filename = config->headerfile;
+ heads.s_isreg = TRUE;
+ heads.fopened = TRUE;
+ heads.stream = newfile;
+ }
+ }
+ }
+
+ /*
+ ** Nested loops start here.
+ */
+
+ /* loop through the list of given URLs */
+
+ for(urlnode = config->url_list; urlnode; urlnode = urlnode->next) {
+
+ int up; /* upload file counter within a single upload glob */
+ char *infiles; /* might be a glob pattern */
+ char *outfiles;
+ int infilenum;
+ URLGlob *inglob;
+
+ outfiles = NULL;
+ infilenum = 0;
+ inglob = 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;
+ continue; /* next URL please */
+ }
+
+ /* save outfile pattern before expansion */
+ if(urlnode->outfile) {
+ outfiles = strdup(urlnode->outfile);
+ if(!outfiles) {
+ helpf(config->errors, "out of memory\n");
+ res = CURLE_OUT_OF_MEMORY;
+ break;
+ }
+ }
+
+ infiles = urlnode->infile;
+
+ if(!config->globoff && infiles) {
+ /* Unless explicitly shut off */
+ res = glob_url(&inglob, infiles, &infilenum,
+ config->showerror?config->errors:NULL);
+ if(res) {
+ Curl_safefree(outfiles);
+ break;
+ }
+ }
+
+ /* Here's the loop for uploading multiple files within the same
+ single globbed string. If no upload, we enter the loop once anyway. */
+ for(up = 0 ;; up++) {
+
+ char *uploadfile; /* a single file, never a glob */
+ int separator;
+ URLGlob *urls;
+ int urlnum;
+
+ uploadfile = NULL;
+ separator = 0;
+ urls = NULL;
+ urlnum = 0;
+
+ if(!up && !infiles)
+ Curl_nop_stmt;
+ else {
+ if(inglob) {
+ res = glob_next_url(&uploadfile, inglob);
+ if(res == CURLE_OUT_OF_MEMORY)
+ helpf(config->errors, "out of memory\n");
+ }
+ else if(!up) {
+ uploadfile = strdup(infiles);
+ if(!uploadfile) {
+ helpf(config->errors, "out of memory\n");
+ res = CURLE_OUT_OF_MEMORY;
+ }
+ }
+ else
+ uploadfile = NULL;
+ if(!uploadfile)
+ break;
+ }
+
+ if(!config->globoff) {
+ /* Unless explicitly shut off, we expand '{...}' and '[...]'
+ expressions and return total number of URLs in pattern set */
+ res = glob_url(&urls, urlnode->url, &urlnum,
+ config->showerror?config->errors:NULL);
+ if(res) {
+ Curl_safefree(uploadfile);
+ break;
+ }
+ }
+ else
+ urlnum = 1; /* without globbing, this is a single URL */
+
+ /* if multiple files extracted to stdout, insert separators! */
+ separator= ((!outfiles || curlx_strequal(outfiles, "-")) && urlnum > 1);
+
+ /* Here's looping around each globbed URL */
+ for(i = 0 ;; i++) {
+
+ int infd;
+ bool infdopen;
+ char *outfile;
+ struct OutStruct outs;
+ struct InStruct input;
+ struct timeval retrystart;
+ curl_off_t uploadfilesize;
+ long retry_numretries;
+ long retry_sleep_default;
+ long retry_sleep;
+ char *this_url;
+
+ outfile = NULL;
+ infdopen = FALSE;
+ infd = STDIN_FILENO;
+ uploadfilesize = -1; /* -1 means unknown */
+
+ /* default output stream is stdout */
+ memset(&outs, 0, sizeof(struct OutStruct));
+ outs.stream = stdout;
+ outs.config = config;
+
+ if(urls) {
+ res = glob_next_url(&this_url, urls);
+ if(res)
+ goto show_error;
+ }
+ else if(!i) {
+ this_url = strdup(urlnode->url);
+ if(!this_url) {
+ res = CURLE_OUT_OF_MEMORY;
+ goto show_error;
+ }
+ }
+ else
+ this_url = NULL;
+ if(!this_url)
+ break;
+
+ if(outfiles) {
+ outfile = strdup(outfiles);
+ if(!outfile) {
+ res = CURLE_OUT_OF_MEMORY;
+ goto show_error;
+ }
+ }
+
+ if((urlnode->flags&GETOUT_USEREMOTE) ||
+ (outfile && !curlx_strequal("-", 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(!outfile) {
+ /* extract the file name from the URL */
+ res = get_url_file_name(&outfile, this_url);
+ if(res)
+ goto show_error;
+ if((!outfile || !*outfile) && !config->content_disposition) {
+ helpf(config->errors, "Remote file name has no length!\n");
+ res = CURLE_WRITE_ERROR;
+ goto quit_urls;
+ }
+#if defined(MSDOS) || defined(WIN32)
+ /* For DOS and WIN32, we do some major replacing of
+ bad characters in the file name before using it */
+ outfile = sanitize_dos_name(outfile);
+ if(!outfile) {
+ res = CURLE_OUT_OF_MEMORY;
+ goto show_error;
+ }
+#endif /* MSDOS || WIN32 */
+ }
+ else if(urls) {
+ /* fill '#1' ... '#9' terms from URL pattern */
+ char *storefile = outfile;
+ res = glob_match_url(&outfile, storefile, urls);
+ Curl_safefree(storefile);
+ if(res) {
+ /* bad globbing */
+ warnf(config, "bad output glob!\n");
+ goto quit_urls;
+ }
+ }
+
+ /* Create the directory hierarchy, if not pre-existent to a multiple
+ file output call */
+
+ if(config->create_dirs) {
+ res = create_dir_hierarchy(outfile, config->errors);
+ /* create_dir_hierarchy shows error upon CURLE_WRITE_ERROR */
+ if(res == CURLE_WRITE_ERROR)
+ goto quit_urls;
+ if(res) {
+ goto show_error;
+ }
+ }
+
+ if((urlnode->flags & GETOUT_USEREMOTE)
+ && config->content_disposition) {
+ /* Our header callback sets the filename */
+ DEBUGASSERT(!outs.filename);
+ }
+ else {
+ 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(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) {
+ /* open file for output: */
+ FILE *file = fopen(outfile, config->resume_from?"ab":"wb");
+ if(!file) {
+ helpf(config->errors, "Can't open '%s'!\n", outfile);
+ res = CURLE_WRITE_ERROR;
+ goto quit_urls;
+ }
+ outs.fopened = TRUE;
+ outs.stream = file;
+ outs.init = config->resume_from;
+ }
+ else {
+ outs.stream = NULL; /* open when needed */
+ }
+ outs.filename = outfile;
+ outs.s_isreg = TRUE;
+ }
+ }
+
+ if(uploadfile && !stdin_upload(uploadfile)) {
+ /*
+ * We have specified a file to upload and it isn't "-".
+ */
+ struct_stat fileinfo;
+
+ this_url = add_file_name_to_url(curl, this_url, uploadfile);
+ if(!this_url) {
+ res = CURLE_OUT_OF_MEMORY;
+ goto show_error;
+ }
+ /* 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
+ */
+
+ infd = open(uploadfile, O_RDONLY | O_BINARY);
+ if((infd == -1) || fstat(infd, &fileinfo)) {
+ helpf(config->errors, "Can't open '%s'!\n", uploadfile);
+ if(infd != -1) {
+ close(infd);
+ infd = STDIN_FILENO;
+ }
+ res = CURLE_READ_ERROR;
+ goto quit_urls;
+ }
+ infdopen = TRUE;
+
+ /* we ignore file size for char/block devices, sockets, etc. */
+ if(S_ISREG(fileinfo.st_mode))
+ uploadfilesize = fileinfo.st_size;
+
+ }
+ else if(uploadfile && stdin_upload(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 & (1 << 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 him/her.
+ */
+ if(config->proxyanyauth || (authbits>1)) {
+ warnf(config,
+ "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!\n");
+ }
+
+ DEBUGASSERT(infdopen == FALSE);
+ DEBUGASSERT(infd == STDIN_FILENO);
+
+ set_binmode(stdin);
+ if(curlx_strequal(uploadfile, ".")) {
+ if(curlx_nonblock((curl_socket_t)infd, TRUE) < 0)
+ warnf(config,
+ "fcntl failed on fd=%d: %s\n", infd, strerror(errno));
+ }
+ }
+
+ if(uploadfile && config->resume_from_current)
+ config->resume_from = -1; /* -1 will then force get-it-yourself */
+
+ if(output_expected(this_url, uploadfile)
+ && outs.stream && isatty(fileno(outs.stream)))
+ /* we send the output to a tty, therefore we switch off the progress
+ meter */
+ config->noprogress = config->isatty = TRUE;
+
+ if(urlnum > 1 && !(config->mute)) {
+ fprintf(config->errors, "\n[%d/%d]: %s --> %s\n",
+ i+1, urlnum, this_url, outfile ? outfile : "<stdout>");
+ if(separator)
+ printf("%s%s\n", CURLseparator, this_url);
+ }
+ if(httpgetfields) {
+ char *urlbuffer;
+ /* Find out whether the url contains a file name */
+ const char *pc = strstr(this_url, "://");
+ char sep = '?';
+ if(pc)
+ pc += 3;
+ else
+ pc = this_url;
+
+ pc = strrchr(pc, '/'); /* check for a slash */
+
+ if(pc) {
+ /* there is a slash present in the URL */
+
+ if(strchr(pc, '?'))
+ /* Ouch, there's already a question mark in the URL string, we
+ then append the data with an ampersand separator instead! */
+ sep='&';
+ }
+ /*
+ * Then append ? followed by the get fields to the url.
+ */
+ urlbuffer = malloc(strlen(this_url) + strlen(httpgetfields) + 3);
+ if(!urlbuffer) {
+ res = CURLE_OUT_OF_MEMORY;
+ goto show_error;
+ }
+ if(pc)
+ sprintf(urlbuffer, "%s%c%s", this_url, sep, httpgetfields);
+ else
+ /* Append / before the ? to create a well-formed url
+ if the url contains a hostname only
+ */
+ sprintf(urlbuffer, "%s/?%s", this_url, httpgetfields);
+
+ Curl_safefree(this_url); /* free previous URL */
+ this_url = urlbuffer; /* use our new URL instead! */
+ }
+
+ if(!config->errors)
+ config->errors = stderr;
+
+ if((!outfile || !strcmp(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);
+ }
+
+ if(config->tcp_nodelay)
+ my_setopt(curl, CURLOPT_TCP_NODELAY, 1);
+
+ /* where to store */
+ my_setopt(curl, CURLOPT_WRITEDATA, &outs);
+ /* what call to write */
+ my_setopt(curl, CURLOPT_WRITEFUNCTION, tool_write_cb);
+
+ /* for uploads */
+ input.fd = infd;
+ input.config = config;
+ my_setopt(curl, CURLOPT_READDATA, &input);
+ /* what call to read */
+ if((outfile && !curlx_strequal("-", outfile)) ||
+ !checkprefix("telnet:", this_url))
+ 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, &input);
+ my_setopt(curl, CURLOPT_SEEKFUNCTION, tool_seek_cb);
+
+ if(config->recvpersecond)
+ /* tell libcurl to use a smaller sized buffer as it allows us to
+ make better sleeps! 7.9.9 stuff! */
+ my_setopt(curl, CURLOPT_BUFFERSIZE, config->recvpersecond);
+
+ /* size of uploaded file: */
+ if(uploadfilesize != -1)
+ my_setopt(curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
+ my_setopt_str(curl, CURLOPT_URL, this_url); /* what to fetch */
+ my_setopt(curl, CURLOPT_NOPROGRESS, config->noprogress);
+ if(config->no_body) {
+ my_setopt(curl, CURLOPT_NOBODY, 1);
+ my_setopt(curl, CURLOPT_HEADER, 1);
+ }
+ else
+ my_setopt(curl, CURLOPT_HEADER, config->include_headers);
+
+#if !defined(CURL_DISABLE_PROXY)
+ {
+ /* TODO: Make this a run-time check instead of compile-time one. */
+
+ my_setopt_str(curl, CURLOPT_PROXY, config->proxy);
+ my_setopt_str(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
+
+ /* new in libcurl 7.3 */
+ my_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel);
+
+ /* new in libcurl 7.5 */
+ if(config->proxy)
+ my_setopt(curl, CURLOPT_PROXYTYPE, config->proxyver);
+
+ /* new in libcurl 7.10 */
+ if(config->socksproxy) {
+ my_setopt_str(curl, CURLOPT_PROXY, config->socksproxy);
+ my_setopt(curl, CURLOPT_PROXYTYPE, config->socksver);
+ }
+
+ /* new in libcurl 7.10.6 */
+ if(config->proxyanyauth)
+ my_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
+ else if(config->proxynegotiate)
+ my_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_GSSNEGOTIATE);
+ else if(config->proxyntlm)
+ my_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_NTLM);
+ else if(config->proxydigest)
+ my_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_DIGEST);
+ else if(config->proxybasic)
+ my_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
+
+ /* new in libcurl 7.19.4 */
+ my_setopt(curl, CURLOPT_NOPROXY, config->noproxy);
+ }
+#endif
+
+ my_setopt(curl, CURLOPT_FAILONERROR, config->failonerror);
+ my_setopt(curl, CURLOPT_UPLOAD, uploadfile?TRUE:FALSE);
+ my_setopt(curl, CURLOPT_DIRLISTONLY, config->dirlistonly);
+ my_setopt(curl, CURLOPT_APPEND, config->ftp_append);
+
+ if(config->netrc_opt)
+ my_setopt(curl, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
+ else if(config->netrc || config->netrc_file)
+ my_setopt(curl, CURLOPT_NETRC, CURL_NETRC_REQUIRED);
+ else
+ my_setopt(curl, CURLOPT_NETRC, CURL_NETRC_IGNORED);
+
+ if(config->netrc_file)
+ my_setopt(curl, CURLOPT_NETRC_FILE, config->netrc_file);
+
+ my_setopt(curl, CURLOPT_TRANSFERTEXT, config->use_ascii);
+ my_setopt_str(curl, CURLOPT_USERPWD, config->userpwd);
+ my_setopt_str(curl, CURLOPT_RANGE, config->range);
+ my_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer);
+ my_setopt(curl, CURLOPT_TIMEOUT, config->timeout);
+
+ if(built_in_protos & CURLPROTO_HTTP) {
+
+ my_setopt(curl, CURLOPT_FOLLOWLOCATION,
+ config->followlocation);
+ my_setopt(curl, CURLOPT_UNRESTRICTED_AUTH,
+ config->unrestricted_auth);
+
+ switch(config->httpreq) {
+ case HTTPREQ_SIMPLEPOST:
+ my_setopt_str(curl, CURLOPT_POSTFIELDS,
+ config->postfields);
+ my_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE,
+ config->postfieldsize);
+ break;
+ case HTTPREQ_POST:
+ my_setopt(curl, CURLOPT_HTTPPOST, config->httppost);
+ break;
+ default:
+ break;
+ }
+
+ my_setopt_str(curl, CURLOPT_REFERER, config->referer);
+ my_setopt(curl, CURLOPT_AUTOREFERER, config->autoreferer);
+ my_setopt_str(curl, CURLOPT_USERAGENT, config->useragent);
+ my_setopt(curl, CURLOPT_HTTPHEADER, config->headers);
+
+ /* new in libcurl 7.5 */
+ my_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
+
+ /* new in libcurl 7.9.1 */
+ if(config->httpversion)
+ my_setopt(curl, CURLOPT_HTTP_VERSION, config->httpversion);
+
+ /* new in libcurl 7.10.6 (default is Basic) */
+ if(config->authtype)
+ my_setopt(curl, CURLOPT_HTTPAUTH, config->authtype);
+
+ /* curl 7.19.1 (the 301 version existed in 7.18.2) */
+ my_setopt(curl, CURLOPT_POSTREDIR, config->post301 |
+ (config->post302 ? CURL_REDIR_POST_302 : FALSE));
+
+ /* 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, 1);
+
+ } /* (built_in_protos & CURLPROTO_HTTP) */
+
+ 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);
+ my_setopt(curl, CURLOPT_RESUME_FROM_LARGE,
+ config->use_resume?config->resume_from:0);
+
+ my_setopt(curl, CURLOPT_SSLCERT, config->cert);
+ my_setopt_str(curl, CURLOPT_SSLCERTTYPE, config->cert_type);
+ my_setopt(curl, CURLOPT_SSLKEY, config->key);
+ my_setopt_str(curl, CURLOPT_SSLKEYTYPE, config->key_type);
+ my_setopt_str(curl, CURLOPT_KEYPASSWD, config->key_passwd);
+
+ if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_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);
+ }
+
+ if(config->cacert)
+ my_setopt_str(curl, CURLOPT_CAINFO, config->cacert);
+ if(config->capath)
+ my_setopt_str(curl, CURLOPT_CAPATH, config->capath);
+ if(config->crlfile)
+ my_setopt_str(curl, CURLOPT_CRLFILE, config->crlfile);
+
+ if(curlinfo->features & CURL_VERSION_SSL) {
+ if(config->insecure_ok) {
+ my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+ my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 1L);
+ }
+ else {
+ my_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
+ /* libcurl default is strict verifyhost -> 2L */
+ /* my_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2L); */
+ }
+ }
+
+ if(built_in_protos & (CURLPROTO_SCP|CURLPROTO_SFTP)) {
+ if(!config->insecure_ok) {
+ char *home;
+ char *file;
+ res = CURLE_OUT_OF_MEMORY;
+ home = homedir();
+ if(home) {
+ file = aprintf("%s/%sssh/known_hosts", home, DOT_CHAR);
+ if(file) {
+ /* new in curl 7.19.6 */
+ res = res_setopt_str(curl, CURLOPT_SSH_KNOWNHOSTS, file);
+ curl_free(file);
+ if(res == CURLE_UNKNOWN_OPTION)
+ /* libssh2 version older than 1.1.1 */
+ res = CURLE_OK;
+ }
+ Curl_safefree(home);
+ }
+ if(res)
+ goto show_error;
+ }
+ }
+
+ if(config->no_body || config->remote_time) {
+ /* no body or use remote time */
+ my_setopt(curl, CURLOPT_FILETIME, TRUE);
+ }
+
+ my_setopt(curl, CURLOPT_CRLF, config->crlf);
+ my_setopt(curl, CURLOPT_QUOTE, config->quote);
+ my_setopt(curl, CURLOPT_POSTQUOTE, config->postquote);
+ my_setopt(curl, CURLOPT_PREQUOTE, config->prequote);
+
+#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_COOKIES)
+ {
+ /* TODO: Make this a run-time check instead of compile-time one. */
+
+ if(config->cookie)
+ my_setopt_str(curl, CURLOPT_COOKIE, config->cookie);
+
+ if(config->cookiefile)
+ my_setopt_str(curl, CURLOPT_COOKIEFILE, config->cookiefile);
+
+ /* 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);
+ }
+#endif
+
+ my_setopt(curl, CURLOPT_SSLVERSION, config->ssl_version);
+ my_setopt(curl, CURLOPT_TIMECONDITION, config->timecond);
+ my_setopt(curl, CURLOPT_TIMEVALUE, config->condtime);
+ my_setopt_str(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
+ my_setopt(curl, CURLOPT_STDERR, config->errors);
+
+ /* three new ones in libcurl 7.3: */
+ my_setopt_str(curl, CURLOPT_INTERFACE, config->iface);
+ my_setopt_str(curl, CURLOPT_KRBLEVEL, config->krblevel);
+
+ progressbarinit(&progressbar, config);
+ if((config->progressmode == CURL_PROGRESS_BAR) &&
+ !config->noprogress && !config->mute) {
+ /* we want the alternative style, then we have to implement it
+ ourselves! */
+ my_setopt(curl, CURLOPT_PROGRESSFUNCTION, tool_progress_cb);
+ my_setopt(curl, CURLOPT_PROGRESSDATA, &progressbar);
+ }
+
+ /* new in libcurl 7.6.2: */
+ my_setopt(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);
+
+ /* new in libcurl 7.7: */
+ my_setopt_str(curl, CURLOPT_RANDOM_FILE, config->random_file);
+ my_setopt(curl, CURLOPT_EGDSOCKET, config->egd_file);
+ my_setopt(curl, CURLOPT_CONNECTTIMEOUT, config->connecttimeout);
+
+ if(config->cipher_list)
+ my_setopt_str(curl, CURLOPT_SSL_CIPHER_LIST, config->cipher_list);
+
+ /* new in libcurl 7.9.2: */
+ if(config->disable_epsv)
+ /* disable it */
+ my_setopt(curl, CURLOPT_FTP_USE_EPSV, FALSE);
+
+ /* new in libcurl 7.10.5 */
+ if(config->disable_eprt)
+ /* disable it */
+ my_setopt(curl, CURLOPT_FTP_USE_EPRT, FALSE);
+
+ if(config->tracetype != TRACE_NONE) {
+ my_setopt(curl, CURLOPT_DEBUGFUNCTION, tool_debug_cb);
+ my_setopt(curl, CURLOPT_DEBUGDATA, config);
+ my_setopt(curl, CURLOPT_VERBOSE, TRUE);
+ }
+
+ /* new in curl 7.9.3 */
+ if(config->engine) {
+ res = res_setopt_str(curl, CURLOPT_SSLENGINE, config->engine);
+ if(res)
+ goto show_error;
+ my_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1);
+ }
+
+ /* new in curl 7.10.7, extended in 7.19.4 but this only sets 0 or 1 */
+ my_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,
+ config->ftp_create_dirs);
+
+ /* new in curl 7.10.8 */
+ if(config->max_filesize)
+ my_setopt(curl, CURLOPT_MAXFILESIZE_LARGE,
+ config->max_filesize);
+
+ if(4 == config->ip_version)
+ my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
+ else if(6 == config->ip_version)
+ my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
+ else
+ my_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_WHATEVER);
+
+ /* new in curl 7.15.5 */
+ if(config->ftp_ssl_reqd)
+ my_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_ALL);
+
+ /* new in curl 7.11.0 */
+ else if(config->ftp_ssl)
+ my_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_TRY);
+
+ /* new in curl 7.16.0 */
+ else if(config->ftp_ssl_control)
+ my_setopt(curl, CURLOPT_USE_SSL, CURLUSESSL_CONTROL);
+
+ /* new in curl 7.16.1 */
+ if(config->ftp_ssl_ccc)
+ my_setopt(curl, CURLOPT_FTP_SSL_CCC, config->ftp_ssl_ccc_mode);
+
+#if defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI)
+ {
+ /* TODO: Make this a run-time check instead of compile-time one. */
+
+ /* new in curl 7.19.4 */
+ if(config->socks5_gssapi_service)
+ my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_SERVICE,
+ config->socks5_gssapi_service);
+
+ /* new in curl 7.19.4 */
+ if(config->socks5_gssapi_nec)
+ my_setopt_str(curl, CURLOPT_SOCKS5_GSSAPI_NEC,
+ config->socks5_gssapi_nec);
+ }
+#endif
+ /* curl 7.13.0 */
+ my_setopt_str(curl, CURLOPT_FTP_ACCOUNT, config->ftp_account);
+
+ my_setopt(curl, CURLOPT_IGNORE_CONTENT_LENGTH, config->ignorecl);
+
+ /* curl 7.14.2 */
+ my_setopt(curl, CURLOPT_FTP_SKIP_PASV_IP, config->ftp_skip_ip);
+
+ /* curl 7.15.1 */
+ my_setopt(curl, CURLOPT_FTP_FILEMETHOD, 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)
+ my_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE,
+ !config->disable_sessionid);
+
+ /* curl 7.16.2 */
+ if(config->raw) {
+ my_setopt(curl, CURLOPT_HTTP_CONTENT_DECODING, FALSE);
+ my_setopt(curl, CURLOPT_HTTP_TRANSFER_DECODING, FALSE);
+ }
+
+ /* curl 7.17.1 */
+ if(!config->nokeepalive) {
+ my_setopt(curl, CURLOPT_SOCKOPTFUNCTION, tool_sockopt_cb);
+ my_setopt(curl, CURLOPT_SOCKOPTDATA, config);
+ }
+
+ /* curl 7.20.0 */
+ if(config->tftp_blksize)
+ 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(curl, CURLOPT_MAIL_RCPT, config->mail_rcpt);
+
+ /* curl 7.20.x */
+ if(config->ftp_pret)
+ my_setopt(curl, CURLOPT_FTP_USE_PRET, TRUE);
+
+ if(config->proto_present)
+ my_setopt(curl, CURLOPT_PROTOCOLS, config->proto);
+ if(config->proto_redir_present)
+ my_setopt(curl, CURLOPT_REDIR_PROTOCOLS, config->proto_redir);
+
+ if((urlnode->flags & GETOUT_USEREMOTE)
+ && config->content_disposition) {
+ my_setopt(curl, CURLOPT_HEADERFUNCTION, tool_header_cb);
+ my_setopt(curl, CURLOPT_HEADERDATA, &outs);
+ }
+ else {
+ /* if HEADERFUNCTION was set to something in the previous loop, it
+ is important that we set it (back) to NULL now */
+ my_setopt(curl, CURLOPT_HEADERFUNCTION, NULL);
+ my_setopt(curl, CURLOPT_HEADERDATA, config->headerfile?&heads:NULL);
+ }
+
+ if(config->resolve)
+ /* new in 7.21.3 */
+ my_setopt(curl, CURLOPT_RESOLVE, config->resolve);
+
+ /* new in 7.21.4 */
+ if(curlinfo->features & CURL_VERSION_TLSAUTH_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);
+ }
+
+ /* new in 7.22.0 */
+ if(config->gssapi_delegation)
+ my_setopt_str(curl, CURLOPT_GSSAPI_DELEGATION,
+ config->gssapi_delegation);
+
+ /* initialize retry vars for loop below */
+ retry_sleep_default = (config->retry_delay) ?
+ config->retry_delay*1000L : RETRY_SLEEP_DEFAULT; /* ms */
+
+ retry_numretries = config->req_retry;
+ retry_sleep = retry_sleep_default; /* ms */
+ retrystart = tvnow();
+
+ if(!curl_slist_append(easysrc, "ret = curl_easy_perform(hnd);")) {
+ res = CURLE_OUT_OF_MEMORY;
+ goto show_error;
+ }
+
+ for(;;) {
+ res = curl_easy_perform(curl);
+
+ if(config->content_disposition && outs.stream && !config->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(retry_numretries &&
+ (!config->retry_maxtime ||
+ (tvdiff(tvnow(), retrystart) <
+ config->retry_maxtime*1000L)) ) {
+ enum {
+ RETRY_NO,
+ RETRY_TIMEOUT,
+ RETRY_HTTP,
+ RETRY_FTP,
+ RETRY_LAST /* not used */
+ } retry = RETRY_NO;
+ long response;
+ if(CURLE_OPERATION_TIMEDOUT == res)
+ /* retry timeout always */
+ retry = RETRY_TIMEOUT;
+ else if((CURLE_OK == res) ||
+ (config->failonerror &&
+ (CURLE_HTTP_RETURNED_ERROR == res))) {
+ /* If it returned OK. _or_ failonerror was enabled and it
+ returned due to such an error, check for HTTP transient
+ errors to retry on. */
+ char *effective_url = NULL;
+ curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
+ if(effective_url &&
+ checkprefix("http", effective_url)) {
+ /* This was HTTP(S) */
+ curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
+
+ switch(response) {
+ 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(res) {
+ curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response);
+
+ if(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) {
+ static const char * const m[]={
+ NULL, "timeout", "HTTP error", "FTP error"
+ };
+ warnf(config, "Transient problem: %s "
+ "Will retry in %ld seconds. "
+ "%ld retries left.\n",
+ m[retry], retry_sleep/1000L, retry_numretries);
+
+ tool_go_sleep(retry_sleep);
+ retry_numretries--;
+ if(!config->retry_delay) {
+ retry_sleep *= 2;
+ if(retry_sleep > RETRY_SLEEP_MAX)
+ retry_sleep = RETRY_SLEEP_MAX;
+ }
+ if(outs.bytes && outs.filename) {
+ /* We have written data to a output file, we truncate file
+ */
+ if(!config->mute)
+ fprintf(config->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(!config->mute)
+ fprintf(config->errors,
+ "failed to truncate, exiting\n");
+ res = CURLE_WRITE_ERROR;
+ goto quit_urls;
+ }
+ /* now seek to the end of the file, the position where we
+ just truncated the file in a large file-safe way */
+ 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. */
+ fseek(outs.stream, (long)outs.init, SEEK_SET);
+#endif
+ outs.bytes = 0; /* clear for next round */
+ }
+ continue; /* curl_easy_perform loop */
+ }
+ } /* if retry_numretries */
+
+ /* In all ordinary cases, just break out of loop here */
+ break; /* curl_easy_perform loop */
+
+ }
+
+ if((config->progressmode == CURL_PROGRESS_BAR) &&
+ progressbar.calls)
+ /* if the custom progress bar has been displayed, we output a
+ newline here */
+ fputs("\n", progressbar.out);
+
+ if(config->writeout)
+ ourWriteOut(curl, config->writeout);
+
+ if(config->writeenv)
+ ourWriteEnv(curl);
+
+ /*
+ ** Code within this loop may jump directly here to label 'show_error'
+ ** in order to display an error message for CURLcode stored in 'res'
+ ** variable and exit loop once that necessary writing and cleanup
+ ** in label 'quit_urls' has been done.
+ */
+
+ show_error:
+
+#ifdef __VMS
+ if(is_vms_shell()) {
+ /* VMS DCL shell behavior */
+ if(!config->showerror)
+ vms_show = VMSSTS_HIDE;
+ }
+ else
+#endif
+ if(res && config->showerror) {
+ fprintf(config->errors, "curl: (%d) %s\n", res, (errorbuffer[0]) ?
+ errorbuffer : curl_easy_strerror((CURLcode)res));
+ if(res == CURLE_SSL_CACERT)
+ fprintf(config->errors, "%s%s",
+ CURL_CA_CERT_ERRORMSG1, CURL_CA_CERT_ERRORMSG2);
+ }
+
+ /* Fall through comment to 'quit_urls' label */
+
+ /*
+ ** Upon error condition and always that a message has already been
+ ** displayed, code within this loop may jump directly here to label
+ ** 'quit_urls' otherwise it should jump to 'show_error' label above.
+ **
+ ** When 'res' variable is _not_ CURLE_OK loop will exit once that
+ ** all code following 'quit_urls' has been executed. Otherwise it
+ ** will loop to the beginning from where it may exit if there are
+ ** no more urls left.
+ */
+
+ quit_urls:
+
+ /* Set file extended attributes */
+ if(!res && config->xattr && outs.fopened && outs.stream) {
+ int rc = fwrite_xattr(curl, fileno(outs.stream));
+ if(rc)
+ warnf(config, "Error setting extended attributes: %s\n",
+ strerror(errno));
+ }
+
+ /* Close the file */
+ if(outs.fopened && outs.stream) {
+ int rc = fclose(outs.stream);
+ if(!res && rc) {
+ /* something went wrong in the writing process */
+ res = CURLE_WRITE_ERROR;
+ fprintf(config->errors, "(%d) Failed writing body\n", res);
+ }
+ }
+ else if(!outs.s_isreg && outs.stream) {
+ /* Dump standard stream buffered data */
+ int rc = fflush(outs.stream);
+ if(!res && rc) {
+ /* something went wrong in the writing process */
+ res = CURLE_WRITE_ERROR;
+ fprintf(config->errors, "(%d) Failed writing body\n", res);
+ }
+ }
+
+#ifdef __AMIGA__
+ if(!res && outs.s_isreg && outs.filename) {
+ /* Set the url (up to 80 chars) as comment for the file */
+ if(strlen(url) > 78)
+ url[79] = '\0';
+ SetComment(outs.filename, url);
+ }
+#endif
+
+#ifdef HAVE_UTIME
+ /* File time can only be set _after_ the file has been closed */
+ if(!res && config->remote_time && outs.s_isreg && outs.filename) {
+ /* Ask libcurl if we got a remote file time */
+ long filetime = -1;
+ curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
+ if(filetime >= 0) {
+ struct utimbuf times;
+ times.actime = (time_t)filetime;
+ times.modtime = (time_t)filetime;
+ utime(outs.filename, &times); /* set the time we got */
+ }
+ }
+#endif
+ /* No more business with this output struct */
+ if(outs.alloc_filename)
+ Curl_safefree(outs.filename);
+ memset(&outs, 0, sizeof(struct OutStruct));
+
+ /* Free loop-local allocated memory and close loop-local opened fd */
+
+ Curl_safefree(outfile);
+ Curl_safefree(this_url);
+
+ if(infdopen) {
+ close(infd);
+ infdopen = FALSE;
+ infd = STDIN_FILENO;
+ }
+
+ /* upon error exit loop */
+ if(res)
+ break;
+
+ } /* loop to the next URL */
+
+ /* Free loop-local allocated memory */
+
+ Curl_safefree(uploadfile);
+
+ if(urls) {
+ /* Free list of remaining URLs */
+ glob_cleanup(urls);
+ urls = NULL;
+ }
+
+ /* upon error exit loop */
+ if(res)
+ break;
+
+ } /* loop to the next globbed upload file */
+
+ /* Free loop-local allocated memory */
+
+ Curl_safefree(outfiles);
+
+ if(inglob) {
+ /* Free list of globbed upload files */
+ glob_cleanup(inglob);
+ inglob = NULL;
+ }
+
+ /* Free this URL node data without destroying the
+ the node itself nor modifying next pointer. */
+ Curl_safefree(urlnode->url);
+ Curl_safefree(urlnode->outfile);
+ Curl_safefree(urlnode->infile);
+ urlnode->flags = 0;
+
+ /* TODO: Should CURLE_SSL_CACERT be included as critical error ? */
+
+ /*
+ ** Bail out upon critical errors
+ */
+ switch(res) {
+ case CURLE_FAILED_INIT:
+ case CURLE_OUT_OF_MEMORY:
+ case CURLE_FUNCTION_NOT_FOUND:
+ case CURLE_BAD_FUNCTION_ARGUMENT:
+ goto quit_curl;
+ default:
+ /* Merrily loop to next URL */
+ break;
+ }
+
+ } /* for-loop through all URLs */
+
+ /*
+ ** Nested loops end here.
+ */
+
+ quit_curl:
+
+ /* Free function-local referenced allocated memory */
+ Curl_safefree(httpgetfields);
+
+ /* Free list of given URLs */
+ clean_getout(config);
+
+ /* Cleanup the curl handle now that our
+ progressbar struct is still in scope */
+ if(curl) {
+ curl_easy_cleanup(curl);
+ config->easy = curl = NULL;
+ }
+ if(easysrc)
+ curl_slist_append(easysrc, "curl_easy_cleanup(hnd);");
+
+ /* Close function-local opened file descriptors */
+
+ if(heads.fopened && heads.stream)
+ fclose(heads.stream);
+ if(heads.alloc_filename)
+ Curl_safefree(heads.filename);
+
+ if(config->trace_fopened && config->trace_stream)
+ fclose(config->trace_stream);
+
+ /* Dump the libcurl code if previously enabled.
+ NOTE: that this function relies on config->errors amongst other things
+ so not everything can be closed and cleaned before this is called */
+ dumpeasysrc(config);
+
+ if(config->errors_fopened && config->errors)
+ fclose(config->errors);
+
+ main_free(); /* cleanup */
+
+ return res;
+}
+