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 */ 58static 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 */ 70static 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 83int 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 will init 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