curl tool: code moved to tool_*.[ch] files

1 files changed, 1541 insertions, 0 deletions

diff --git a/src/tool_operate.c b/src/tool_operate.c
new file mode 100644
index 000000000..6fe908a4f
--- /dev/null
+++ b/src/tool_operate.c
@@ -0,0 +1,1541 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  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 "curlutil.h"
+#include "homedir.h"
+#include "urlglob.h"
+#include "writeout.h"
+#include "xattr.h"
+
+#ifdef USE_ENVIRONMENT
+#  include "writeenv.h"
+#endif
+
+#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_easysrc.h"
+#include "tool_getparam.h"
+#include "tool_helpers.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 "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 = TRUE;
+  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(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)
+          uploadfile = glob_next_url(inglob);
+        else if(!up)
+          uploadfile = strdup(infiles);
+        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)
+          this_url = glob_next_url(urls);
+        else if(!i) {
+          this_url = strdup(urlnode->url);
+        }
+        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 */
+            outfile = get_url_file_name(this_url);
+            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;
+            outfile = glob_match_url(storefile, urls);
+            Curl_safefree(storefile);
+            if(!outfile) {
+              /* bad globbing */
+              warnf(config, "bad output glob!\n");
+              res = CURLE_FAILED_INIT;
+              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;
+              }
+              free(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 = cutil_tvnow();
+
+        for(;;) {
+          res = curl_easy_perform(curl);
+          if(!curl_slist_append(easysrc, "ret = curl_easy_perform(hnd);")) {
+            res = CURLE_OUT_OF_MEMORY;
+            goto show_error;
+          }
+
+          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 ||
+              (cutil_tvdiff(cutil_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);
+#ifdef USE_ENVIRONMENT
+        if(config->writeenv)
+          ourWriteEnv(curl);
+#endif
+
+        /*
+        ** 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;
+}
+