curl-w32/docs/examples/anyauthput.c

156 lines
4.5 KiB
C

/***************************************************************************
* _ _ ____ _
* 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)
{
size_t nread;
nread = fread(ptr, size, nmemb, stream);
if(nread > 0) {
fprintf(stderr, "*** We read %lu bytes from file\n", (unsigned long)nread);
}
return nread;
}
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;
}