1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 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 https://curl.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 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24 /* <DESC>
25 * HTTP PUT upload with authentication using "any" method. libcurl picks the
26 * one the server supports/wants.
27 * </DESC>
28 */
29 #include <stdio.h>
30 #include <fcntl.h>
31 #include <sys/types.h>
32 #include <sys/stat.h>
33
34 #include <curl/curl.h>
35
36 #ifdef _WIN32
37 #undef stat
38 #define stat _stat
39 #undef fstat
40 #define fstat _fstat
41 #define fileno _fileno
42 #endif
43
44 #if LIBCURL_VERSION_NUM < 0x070c03
45 #error "upgrade your libcurl to no less than 7.12.3"
46 #endif
47
48 /*
49 * This example shows an HTTP PUT operation with authentication using "any"
50 * type. It PUTs a file given as a command line argument to the URL also given
51 * on the command line.
52 *
53 * Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set seek
54 * function.
55 *
56 * This example also uses its own read callback.
57 */
58
59 /* seek callback function */
my_seek(void * userp,curl_off_t offset,int origin)60 static int my_seek(void *userp, curl_off_t offset, int origin)
61 {
62 FILE *fp = (FILE *) userp;
63
64 if(-1 == fseek(fp, (long) offset, origin))
65 /* could not seek */
66 return CURL_SEEKFUNC_CANTSEEK;
67
68 return CURL_SEEKFUNC_OK; /* success! */
69 }
70
71 /* read callback function, fread() look alike */
read_callback(char * ptr,size_t size,size_t nmemb,void * stream)72 static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream)
73 {
74 size_t nread;
75
76 nread = fread(ptr, size, nmemb, stream);
77
78 if(nread > 0) {
79 fprintf(stderr, "*** We read %lu bytes from file\n", (unsigned long)nread);
80 }
81
82 return nread;
83 }
84
main(int argc,char ** argv)85 int main(int argc, char **argv)
86 {
87 CURL *curl;
88 CURLcode res;
89 FILE *fp;
90 struct stat file_info;
91
92 char *file;
93 char *url;
94
95 if(argc < 3)
96 return 1;
97
98 file = argv[1];
99 url = argv[2];
100
101 /* get the file size of the local file */
102 fp = fopen(file, "rb");
103 fstat(fileno(fp), &file_info);
104
105 /* In Windows, this inits the Winsock stuff */
106 curl_global_init(CURL_GLOBAL_ALL);
107
108 /* get a curl handle */
109 curl = curl_easy_init();
110 if(curl) {
111 /* we want to use our own read function */
112 curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
113
114 /* which file to upload */
115 curl_easy_setopt(curl, CURLOPT_READDATA, (void *) fp);
116
117 /* set the seek function */
118 curl_easy_setopt(curl, CURLOPT_SEEKFUNCTION, my_seek);
119
120 /* pass the file descriptor to the seek callback as well */
121 curl_easy_setopt(curl, CURLOPT_SEEKDATA, (void *) fp);
122
123 /* enable "uploading" (which means PUT when doing HTTP) */
124 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
125
126 /* specify target URL, and note that this URL should also include a file
127 name, not only a directory (as you can do with GTP uploads) */
128 curl_easy_setopt(curl, CURLOPT_URL, url);
129
130 /* and give the size of the upload, this supports large file sizes
131 on systems that have general support for it */
132 curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
133 (curl_off_t)file_info.st_size);
134
135 /* tell libcurl we can use "any" auth, which lets the lib pick one, but it
136 also costs one extra round-trip and possibly sending of all the PUT
137 data twice!!! */
138 curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
139
140 /* set user name and password for the authentication */
141 curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password");
142
143 /* Now run off and do what you have been told! */
144 res = curl_easy_perform(curl);
145 /* Check for errors */
146 if(res != CURLE_OK)
147 fprintf(stderr, "curl_easy_perform() failed: %s\n",
148 curl_easy_strerror(res));
149
150 /* always cleanup */
151 curl_easy_cleanup(curl);
152 }
153 fclose(fp); /* close the local file */
154
155 curl_global_cleanup();
156 return 0;
157 }
158
