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/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at https://curl.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * * SPDX-License-Identifier: curl * ***************************************************************************/ /* <DESC> * HTTP PUT upload with authentication using "any" method. libcurl picks the * one the server supports/wants. * </DESC> */ #include <stdio.h> #include <fcntl.h> #include <sys/types.h> #include <sys/stat.h> #include <curl/curl.h> #ifdef _WIN32 # define FILENO(fp) _fileno(fp) #else # define FILENO(fp) fileno(fp) #endif #if LIBCURL_VERSION_NUM < 0x070c03 #error "upgrade your libcurl to no less than 7.12.3" #endif /* * This example shows an HTTP PUT operation with authentication using "any" * type. It PUTs a file given as a command line argument to the URL also given * on the command line. * * Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set seek * function. * * This example also uses its own read callback. */ /* seek callback function */ static int my_seek(void *userp, curl_off_t offset, int origin) { FILE *fp = (FILE *) userp; if(-1 == fseek(fp, (long) offset, origin)) /* could not seek */ return CURL_SEEKFUNC_CANTSEEK; return CURL_SEEKFUNC_OK; /* success! */ } /* read callback function, fread() look alike */ static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream) { ssize_t retcode; unsigned long nread; retcode = fread(ptr, size, nmemb, stream); if(retcode > 0) { nread = (unsigned long)retcode; fprintf(stderr, "*** We read %lu bytes from file\n", nread); } return retcode; } int main(int argc, char **argv) { CURL *curl; CURLcode res; FILE *fp; struct stat file_info; char *file; char *url; if(argc < 3) return 1; file = argv[1]; url = argv[2]; /* get the file size of the local file */ fp = fopen(file, "rb"); fstat(FILENO(fp), &file_info); /* In windows, this will init the winsock stuff */ curl_global_init(CURL_GLOBAL_ALL); /* get a curl handle */ curl = curl_easy_init(); if(curl) { /* we want to use our own read function */ curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback); /* which file to upload */ curl_easy_setopt(curl, CURLOPT_READDATA, (void *) fp); /* set the seek function */ curl_easy_setopt(curl, CURLOPT_SEEKFUNCTION, my_seek); /* pass the file descriptor to the seek callback as well */ curl_easy_setopt(curl, CURLOPT_SEEKDATA, (void *) fp); /* enable "uploading" (which means PUT when doing HTTP) */ curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L); /* specify target URL, and note that this URL should also include a file name, not only a directory (as you can do with GTP uploads) */ curl_easy_setopt(curl, CURLOPT_URL, url); /* and give the size of the upload, this supports large file sizes on systems that have general support for it */ curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, (curl_off_t)file_info.st_size); /* tell libcurl we can use "any" auth, which lets the lib pick one, but it also costs one extra round-trip and possibly sending of all the PUT data twice!!! */ curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY); /* set user name and password for the authentication */ curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password"); /* Now run off and do what you have been told! */ res = curl_easy_perform(curl); /* Check for errors */ if(res != CURLE_OK) fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res)); /* always cleanup */ curl_easy_cleanup(curl); } fclose(fp); /* close the local file */ curl_global_cleanup(); return 0; }