172 lines
4.8 KiB
C
172 lines
4.8 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) 1998 - 2017, 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.haxx.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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***************************************************************************/
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/* <DESC>
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* HTTP PUT upload with authentiction using "any" method. libcurl picks the
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* one the server supports/wants.
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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/types.h>
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#include <sys/stat.h>
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#include <curl/curl.h>
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#ifdef WIN32
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# include <io.h>
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# define READ_3RD_ARG unsigned int
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#else
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# include <unistd.h>
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# define READ_3RD_ARG size_t
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#endif
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#if LIBCURL_VERSION_NUM < 0x070c03
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#error "upgrade your libcurl to no less than 7.12.3"
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#endif
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/*
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* This example shows a HTTP PUT operation with authentiction using "any"
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* type. It PUTs a file given as a command line argument to the URL also given
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* on the command line.
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*
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* Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set ioctl
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* function.
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*
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* This example also uses its own read callback.
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*/
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/* ioctl callback function */
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static curlioerr my_ioctl(CURL *handle, curliocmd cmd, void *userp)
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{
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int *fdp = (int *)userp;
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int fd = *fdp;
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(void)handle; /* not used in here */
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switch(cmd) {
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case CURLIOCMD_RESTARTREAD:
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/* mr libcurl kindly asks as to rewind the read data stream to start */
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if(-1 == lseek(fd, 0, SEEK_SET))
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/* couldn't rewind */
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return CURLIOE_FAILRESTART;
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break;
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default: /* ignore unknown commands */
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return CURLIOE_UNKNOWNCMD;
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}
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return CURLIOE_OK; /* success! */
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}
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/* read callback function, fread() look alike */
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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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ssize_t retcode;
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curl_off_t nread;
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int *fdp = (int *)stream;
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int fd = *fdp;
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retcode = read(fd, ptr, (READ_3RD_ARG)(size * nmemb));
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nread = (curl_off_t)retcode;
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fprintf(stderr, "*** We read %" CURL_FORMAT_CURL_OFF_T
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" bytes from file\n", nread);
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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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int hd;
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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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hd = open(file, O_RDONLY);
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fstat(hd, &file_info);
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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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/* we want to use our own read function */
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
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/* which file to upload */
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curl_easy_setopt(curl, CURLOPT_READDATA, (void *)&hd);
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/* set the ioctl function */
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curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, my_ioctl);
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/* pass the file descriptor to the ioctl callback as well */
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curl_easy_setopt(curl, CURLOPT_IOCTLDATA, (void *)&hd);
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/* enable "uploading" (which means PUT when doing 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 also include a file
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name, not only a directory (as you can do with GTP uploads) */
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curl_easy_setopt(curl, CURLOPT_URL, url);
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/* and give the size of the upload, this supports large file sizes
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on systems that have general support for it */
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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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/* tell libcurl we can use "any" auth, which lets the lib pick one, but it
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also costs one extra round-trip and possibly sending of all the PUT
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data twice!!! */
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curl_easy_setopt(curl, CURLOPT_HTTPAUTH, (long)CURLAUTH_ANY);
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/* set user name and password for the authentication */
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curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password");
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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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/* 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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close(hd); /* 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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