anyauthput.c (4650B)
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 */ 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 */ 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 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 if(!fp) 104 return 2; 105 106 #ifdef UNDER_CE 107 stat(file, &file_info); 108 #else 109 fstat(fileno(fp), &file_info); 110 #endif 111 112 /* In Windows, this inits the Winsock stuff */ 113 curl_global_init(CURL_GLOBAL_ALL); 114 115 /* get a curl handle */ 116 curl = curl_easy_init(); 117 if(curl) { 118 /* we want to use our own read function */ 119 curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback); 120 121 /* which file to upload */ 122 curl_easy_setopt(curl, CURLOPT_READDATA, (void *) fp); 123 124 /* set the seek function */ 125 curl_easy_setopt(curl, CURLOPT_SEEKFUNCTION, my_seek); 126 127 /* pass the file descriptor to the seek callback as well */ 128 curl_easy_setopt(curl, CURLOPT_SEEKDATA, (void *) fp); 129 130 /* enable "uploading" (which means PUT when doing HTTP) */ 131 curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); 132 133 /* specify target URL, and note that this URL should also include a file 134 name, not only a directory (as you can do with GTP uploads) */ 135 curl_easy_setopt(curl, CURLOPT_URL, url); 136 137 /* and give the size of the upload, this supports large file sizes 138 on systems that have general support for it */ 139 curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, 140 (curl_off_t)file_info.st_size); 141 142 /* tell libcurl we can use "any" auth, which lets the lib pick one, but it 143 also costs one extra round-trip and possibly sending of all the PUT 144 data twice!!! */ 145 curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY); 146 147 /* set user name and password for the authentication */ 148 curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password"); 149 150 /* Now run off and do what you have been told! */ 151 res = curl_easy_perform(curl); 152 /* Check for errors */ 153 if(res != CURLE_OK) 154 fprintf(stderr, "curl_easy_perform() failed: %s\n", 155 curl_easy_strerror(res)); 156 157 /* always cleanup */ 158 curl_easy_cleanup(curl); 159 } 160 fclose(fp); /* close the local file */ 161 162 curl_global_cleanup(); 163 return 0; 164 }