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124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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/* <DESC>
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* HTTP PUT with easy interface and read callback
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* </DESC>
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*/
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#include <stdio.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <curl/curl.h>
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/*
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* This example shows an HTTP PUT operation. PUTs a file given as a command
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* line argument to the URL also given on the command line.
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*
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* This example also uses its own read callback.
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*
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* Here's an article on how to setup a PUT handler for Apache:
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* http://www.apacheweek.com/features/put
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*/
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static size_t read_callback(char *ptr, size_t size, size_t nmemb, void *stream)
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{
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size_t retcode;
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unsigned long nread;
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/* in real-world cases, this would probably get this data differently
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as this fread() stuff is exactly what the library already would do
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by default internally */
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retcode = fread(ptr, size, nmemb, stream);
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if(retcode > 0) {
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nread = (unsigned long)retcode;
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fprintf(stderr, "*** We read %lu bytes from file\n", nread);
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}
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return retcode;
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}
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int main(int argc, char **argv)
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{
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CURL *curl;
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CURLcode res;
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FILE * hd_src;
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struct stat file_info;
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char *file;
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char *url;
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if(argc < 3)
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return 1;
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file = argv[1];
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url = argv[2];
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/* get the file size of the local file */
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stat(file, &file_info);
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/* get a FILE * of the same file, could also be made with
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fdopen() from the previous descriptor, but hey this is just
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an example! */
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hd_src = fopen(file, "rb");
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/* In windows, this inits the winsock stuff */
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curl_global_init(CURL_GLOBAL_ALL);
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/* get a curl handle */
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curl = curl_easy_init();
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if(curl) {
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/* we want to use our own read function */
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
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/* enable uploading (implies PUT over HTTP) */
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curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
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/* specify target URL, and note that this URL should include a file
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name, not only a directory */
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curl_easy_setopt(curl, CURLOPT_URL, url);
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/* now specify which file to upload */
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curl_easy_setopt(curl, CURLOPT_READDATA, hd_src);
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/* provide the size of the upload, we typecast the value to curl_off_t
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since we must be sure to use the correct data size */
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curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE,
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(curl_off_t)file_info.st_size);
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/* Now run off and do what you have been told! */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if(res != CURLE_OK)
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fprintf(stderr, "curl_easy_perform() failed: %s\n",
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curl_easy_strerror(res));
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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fclose(hd_src); /* close the local file */
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curl_global_cleanup();
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return 0;
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}
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