CMakeLua/Utilities/cmcurl-7.19.0/docs/examples/anyauthput.c

   1 /*****************************************************************************
   2  *                                  _   _ ____  _
   3  *  Project                     ___| | | |  _ \| |
   4  *                             / __| | | | |_) | |
   5  *                            | (__| |_| |  _ <| |___
   6  *                             \___|\___/|_| \_\_____|
   7  *
   8  * $Id: anyauthput.c,v 1.1.1.1 2008-09-23 16:32:05 hoffman Exp $
   9  */
  10
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13 #ifdef WIN32
  14 #  include <io.h>
  15 #else
  16 #  include <stdint.h>
  17 #  include <unistd.h>
  18 #endif
  19 #include <sys/types.h>
  20 #include <sys/stat.h>
  21
  22 #ifdef _MSC_VER
  23 #  ifdef _WIN64
  24      typedef __int64 intptr_t;
  25 #  else
  26      typedef int intptr_t;
  27 #  endif
  28 #endif
  29
  30 #include <curl/curl.h>
  31
  32 #if LIBCURL_VERSION_NUM < 0x070c03
  33 #error "upgrade your libcurl to no less than 7.12.3"
  34 #endif
  35
  36 #ifndef TRUE
  37 #define TRUE 1
  38 #endif
  39
  40 /*
  41  * This example shows a HTTP PUT operation with authentiction using "any"
  42  * type. It PUTs a file given as a command line argument to the URL also given
  43  * on the command line.
  44  *
  45  * Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set ioctl
  46  * function.
  47  *
  48  * This example also uses its own read callback.
  49  */
  50
  51 /* ioctl callback function */
  52 static curlioerr my_ioctl(CURL *handle, curliocmd cmd, void *userp)
  53 {
  54   intptr_t fd = (intptr_t)userp;
  55
  56   (void)handle; /* not used in here */
  57
  58   switch(cmd) {
  59   case CURLIOCMD_RESTARTREAD:
  60     /* mr libcurl kindly asks as to rewind the read data stream to start */
  61     if(-1 == lseek(fd, 0, SEEK_SET))
  62       /* couldn't rewind */
  63       return CURLIOE_FAILRESTART;
  64
  65     break;
  66
  67   default: /* ignore unknown commands */
  68     return CURLIOE_UNKNOWNCMD;
  69   }
  70   return CURLIOE_OK; /* success! */
  71 }
  72
  73 /* read callback function, fread() look alike */
  74 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
  75 {
  76   size_t retcode;
  77
  78   intptr_t fd = (intptr_t)stream;
  79
  80   retcode = read(fd, ptr, size * nmemb);
  81
  82   fprintf(stderr, "*** We read %d bytes from file\n", retcode);
  83
  84   return retcode;
  85 }
  86
  87 int main(int argc, char **argv)
  88 {
  89   CURL *curl;
  90   CURLcode res;
  91   intptr_t hd ;
  92   struct stat file_info;
  93
  94   char *file;
  95   char *url;
  96
  97   if(argc < 3)
  98     return 1;
  99
 100   file= argv[1];
 101   url = argv[2];
 102
 103   /* get the file size of the local file */
 104   hd = open(file, O_RDONLY) ;
 105   fstat(hd, &file_info);
 106
 107   /* In windows, this will init the winsock stuff */
 108   curl_global_init(CURL_GLOBAL_ALL);
 109
 110   /* get a curl handle */
 111   curl = curl_easy_init();
 112   if(curl) {
 113     /* we want to use our own read function */
 114     curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
 115
 116     /* which file to upload */
 117     curl_easy_setopt(curl, CURLOPT_READDATA, (void*)hd);
 118
 119     /* set the ioctl function */
 120     curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, my_ioctl);
 121
 122     /* pass the file descriptor to the ioctl callback as well */
 123     curl_easy_setopt(curl, CURLOPT_IOCTLDATA, (void*)hd);
 124
 125     /* enable "uploading" (which means PUT when doing HTTP) */
 126     curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L) ;
 127
 128     /* specify target URL, and note that this URL should also include a file
 129        name, not only a directory (as you can do with GTP uploads) */
 130     curl_easy_setopt(curl,CURLOPT_URL, url);
 131
 132     /* and give the size of the upload, this supports large file sizes
 133        on systems that have general support for it */
 134     curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
 135                         (curl_off_t)file_info.st_size);
 136
 137     /* tell libcurl we can use "any" auth, which lets the lib pick one, but it
 138        also costs one extra round-trip and possibly sending of all the PUT
 139        data twice!!! */
 140     curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
 141
 142     /* set user name and password for the authentication */
 143     curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password");
 144
 145     /* Now run off and do what you've been told! */
 146     res = curl_easy_perform(curl);
 147
 148     /* always cleanup */
 149     curl_easy_cleanup(curl);
 150   }
 151   close(hd); /* close the local file */
 152
 153   curl_global_cleanup();
 154   return 0;
 155 }