mirror of
https://github.com/moparisthebest/curl
synced 2024-11-10 11:35:07 -05:00
117 lines
3.6 KiB
C
117 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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* $Id$
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*/
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#include <stdio.h>
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#include <curl/curl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#ifdef WIN32
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#include <io.h>
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#else
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#include <unistd.h>
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#endif
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/*
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* This example shows an FTP upload, with a rename of the file just after
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* a successful upload.
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*
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* Example based on source code provided by Erick Nuwendam. Thanks!
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*/
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#define LOCAL_FILE "/tmp/uploadthis.txt"
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#define UPLOAD_FILE_AS "while-uploading.txt"
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#define REMOTE_URL "ftp://localhost/" UPLOAD_FILE_AS
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#define RENAME_FILE_TO "renamed-and-fine.txt"
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/* NOTE: if you want this example to work on Windows with libcurl as a
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DLL, you MUST also provide a read callback with CURLOPT_READFUNCTION.
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Failing to do so will give you a crash since a DLL may not use the
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variable's memory when passed in to it from an app like this. */
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static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
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{
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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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size_t retcode = fread(ptr, size, nmemb, stream);
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fprintf(stderr, "*** We read %d bytes from file\n", retcode);
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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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struct curl_slist *headerlist=NULL;
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static const char buf_1 [] = "RNFR " UPLOAD_FILE_AS;
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static const char buf_2 [] = "RNTO " RENAME_FILE_TO;
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/* get the file size of the local file */
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if(stat(LOCAL_FILE, &file_info)) {
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printf("Couldnt open '%s': %s\n", LOCAL_FILE, strerror(errno));
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exit(1);
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}
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printf("Local file size: %ld bytes.\n", file_info.st_size);
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/* get a FILE * of the same file */
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hd_src = fopen(LOCAL_FILE, "rb");
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/* In windows, this will init 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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/* build a list of commands to pass to libcurl */
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headerlist = curl_slist_append(headerlist, buf_1);
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headerlist = curl_slist_append(headerlist, buf_2);
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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 */
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curl_easy_setopt(curl, CURLOPT_UPLOAD, 1) ;
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/* specify target */
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curl_easy_setopt(curl,CURLOPT_URL, REMOTE_URL);
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/* pass in that last of FTP commands to run after the transfer */
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curl_easy_setopt(curl, CURLOPT_POSTQUOTE, headerlist);
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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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/* Set the size of the file to upload (optional). If you give a *_LARGE
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option you MUST make sure that the type of the passed-in argument is a
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curl_off_t. If you use CURLOPT_INFILESIZE (without _LARGE) you must
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make sure that to pass in a type 'long' argument. */
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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've been told! */
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res = curl_easy_perform(curl);
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/* clean up the FTP commands list */
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curl_slist_free_all (headerlist);
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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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