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1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
9  *
10  * This software is licensed as described in the file COPYING, which
11  * you should have received as part of this distribution. The terms
12  * are also available at http://curl.haxx.se/docs/copyright.html.
13  *
14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15  * copies of the Software, and permit persons to whom the Software is
16  * furnished to do so, under the terms of the COPYING file.
17  *
18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19  * KIND, either express or implied.
20  *
21  ***************************************************************************/
22 #include <stdio.h>
23 #include <fcntl.h>
24 #ifdef WIN32
25 #  include <io.h>
26 #else
27 #  ifdef __VMS
28      typedef int intptr_t;
29 #  endif
30 #  if !defined(_AIX) && !defined(__sgi) && !defined(__osf__)
31 #    include <stdint.h>
32 #  endif
33 #  include <unistd.h>
34 #endif
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 
38 #ifdef _MSC_VER
39 #  ifdef _WIN64
40      typedef __int64 intptr_t;
41 #  else
42      typedef int intptr_t;
43 #  endif
44 #endif
45 
46 #include <curl/curl.h>
47 
48 #if LIBCURL_VERSION_NUM < 0x070c03
49 #error "upgrade your libcurl to no less than 7.12.3"
50 #endif
51 
52 #ifndef TRUE
53 #define TRUE 1
54 #endif
55 
56 #if defined(_AIX) || defined(__sgi) || defined(__osf__)
57 #ifndef intptr_t
58 #define intptr_t long
59 #endif
60 #endif
61 
62 /*
63  * This example shows a HTTP PUT operation with authentiction using "any"
64  * type. It PUTs a file given as a command line argument to the URL also given
65  * on the command line.
66  *
67  * Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set ioctl
68  * function.
69  *
70  * This example also uses its own read callback.
71  */
72 
73 /* ioctl callback function */
my_ioctl(CURL * handle,curliocmd cmd,void * userp)74 static curlioerr my_ioctl(CURL *handle, curliocmd cmd, void *userp)
75 {
76   intptr_t fd = (intptr_t)userp;
77 
78   (void)handle; /* not used in here */
79 
80   switch(cmd) {
81   case CURLIOCMD_RESTARTREAD:
82     /* mr libcurl kindly asks as to rewind the read data stream to start */
83     if(-1 == lseek(fd, 0, SEEK_SET))
84       /* couldn't rewind */
85       return CURLIOE_FAILRESTART;
86 
87     break;
88 
89   default: /* ignore unknown commands */
90     return CURLIOE_UNKNOWNCMD;
91   }
92   return CURLIOE_OK; /* success! */
93 }
94 
95 /* read callback function, fread() look alike */
read_callback(void * ptr,size_t size,size_t nmemb,void * stream)96 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
97 {
98   size_t retcode;
99   curl_off_t nread;
100 
101   intptr_t fd = (intptr_t)stream;
102 
103   retcode = read(fd, ptr, size * nmemb);
104 
105   nread = (curl_off_t)retcode;
106 
107   fprintf(stderr, "*** We read %" CURL_FORMAT_CURL_OFF_T
108           " bytes from file\n", nread);
109 
110   return retcode;
111 }
112 
main(int argc,char ** argv)113 int main(int argc, char **argv)
114 {
115   CURL *curl;
116   CURLcode res;
117   intptr_t hd ;
118   struct stat file_info;
119 
120   char *file;
121   char *url;
122 
123   if(argc < 3)
124     return 1;
125 
126   file= argv[1];
127   url = argv[2];
128 
129   /* get the file size of the local file */
130   hd = open(file, O_RDONLY) ;
131   fstat(hd, &file_info);
132 
133   /* In windows, this will init the winsock stuff */
134   curl_global_init(CURL_GLOBAL_ALL);
135 
136   /* get a curl handle */
137   curl = curl_easy_init();
138   if(curl) {
139     /* we want to use our own read function */
140     curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
141 
142     /* which file to upload */
143     curl_easy_setopt(curl, CURLOPT_READDATA, (void*)hd);
144 
145     /* set the ioctl function */
146     curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, my_ioctl);
147 
148     /* pass the file descriptor to the ioctl callback as well */
149     curl_easy_setopt(curl, CURLOPT_IOCTLDATA, (void*)hd);
150 
151     /* enable "uploading" (which means PUT when doing HTTP) */
152     curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L) ;
153 
154     /* specify target URL, and note that this URL should also include a file
155        name, not only a directory (as you can do with GTP uploads) */
156     curl_easy_setopt(curl,CURLOPT_URL, url);
157 
158     /* and give the size of the upload, this supports large file sizes
159        on systems that have general support for it */
160     curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
161                      (curl_off_t)file_info.st_size);
162 
163     /* tell libcurl we can use "any" auth, which lets the lib pick one, but it
164        also costs one extra round-trip and possibly sending of all the PUT
165        data twice!!! */
166     curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
167 
168     /* set user name and password for the authentication */
169     curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password");
170 
171     /* Now run off and do what you've been told! */
172     res = curl_easy_perform(curl);
173     /* Check for errors */
174     if(res != CURLE_OK)
175       fprintf(stderr, "curl_easy_perform() failed: %s\n",
176               curl_easy_strerror(res));
177 
178     /* always cleanup */
179     curl_easy_cleanup(curl);
180   }
181   close(hd); /* close the local file */
182 
183   curl_global_cleanup();
184   return 0;
185 }
186