Front Page

libcurl index

---

API

Tutorial

Error Codes

Symbols In Versions

All Functions

easy Interface

multi Interface

share Interface

Sponsors:
Haxx

anyauthput.c

Download anyauthput.c

/***************************************************************************
 *                                  _   _ ____  _
 *  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 <stdio.h>
#include <fcntl.h>
#ifdef WIN32
#include <io.h>
#else
#ifdef __VMS
     typedef int intptr_t;
#endif
#include <stdint.h>
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
 
#ifdef _MSC_VER
#ifdef _WIN64
     typedef __int64 intptr_t;
#else
     typedef int intptr_t;
#endif
#endif
 
#include <curl/curl.h>
#include "printf_macro.h"
 
#if LIBCURL_VERSION_NUM < 0x070c03
#error "upgrade your libcurl to no less than 7.12.3"
#endif
 
#ifndef TRUE
#define TRUE 1
#endif
 
/*
 * This example shows a HTTP PUT operation with authentiction using "any"
 * type. It PUTs a file given as a command line argument to the URL also given
 * on the command line.
 *
 * Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set ioctl
 * function.
 *
 * This example also uses its own read callback.
 */ 
 
/* ioctl callback function */ 
static curlioerr my_ioctl(CURL *handle, curliocmd cmd, void *userp)
{
  intptr_t fd = (intptr_t)userp;
 
  (void)handle; /* not used in here */ 
 
  switch(cmd) {
  case CURLIOCMD_RESTARTREAD:
    /* mr libcurl kindly asks as to rewind the read data stream to start */ 
    if(-1 == lseek(fd, 0, SEEK_SET))
      /* couldn't rewind */ 
      return CURLIOE_FAILRESTART;
 
    break;
 
  default: /* ignore unknown commands */ 
    return CURLIOE_UNKNOWNCMD;
  }
  return CURLIOE_OK; /* success! */ 
}
 
/* read callback function, fread() look alike */ 
static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
{
  size_t retcode;
 
  intptr_t fd = (intptr_t)stream;
 
  retcode = read(fd, ptr, size * nmemb);
 
  fprintf(stderr, "*** We read %" _FMT_SIZE_T " bytes from file\n", retcode);
 
  return retcode;
}
 
int main(int argc, char **argv)
{
  CURL *curl;
  CURLcode res;
  intptr_t hd ;
  struct stat file_info;
 
  char *file;
  char *url;
 
  if(argc < 3)
    return 1;
 
  file= argv[1];
  url = argv[2];
 
  /* get the file size of the local file */ 
  hd = open(file, O_RDONLY) ;
  fstat(hd, &file_info);
 
  /* In windows, this will init the winsock stuff */ 
  curl_global_init(CURL_GLOBAL_ALL);
 
  /* get a curl handle */ 
  curl = curl_easy_init();
  if(curl) {
    /* we want to use our own read function */ 
    curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
 
    /* which file to upload */ 
    curl_easy_setopt(curl, CURLOPT_READDATA, (void*)hd);
 
    /* set the ioctl function */ 
    curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, my_ioctl);
 
    /* pass the file descriptor to the ioctl callback as well */ 
    curl_easy_setopt(curl, CURLOPT_IOCTLDATA, (void*)hd);
 
    /* enable "uploading" (which means PUT when doing HTTP) */ 
    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L) ;
 
    /* specify target URL, and note that this URL should also include a file
       name, not only a directory (as you can do with GTP uploads) */ 
    curl_easy_setopt(curl,CURLOPT_URL, url);
 
    /* and give the size of the upload, this supports large file sizes
       on systems that have general support for it */ 
    curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
                     (curl_off_t)file_info.st_size);
 
    /* tell libcurl we can use "any" auth, which lets the lib pick one, but it
       also costs one extra round-trip and possibly sending of all the PUT
       data twice!!! */ 
    curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
 
    /* set user name and password for the authentication */ 
    curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password");
 
    /* Now run off and do what you've been told! */ 
    res = curl_easy_perform(curl);
 
    /* always cleanup */ 
    curl_easy_cleanup(curl);
  }
  close(hd); /* close the local file */ 
 
  curl_global_cleanup();
  return 0;
}

You'll also find all examples in the distribution archive, in the docs/examples directory.