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