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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2010, 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 http://curl.haxx.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.
*
***************************************************************************/
/* client-local setup.h */
#include "setup.h"
#include <curl/curl.h>
#include "xattr.h"
#ifdef HAVE_SETXATTR
#include <sys/types.h>
#include <string.h>
#include <sys/xattr.h> /* include header from libc, not from libattr */
/* mapping table of curl metadata to extended attribute names */
static const struct xattr_mapping {
const char *attr; /* name of the xattr */
CURLINFO info;
} mappings[] = {
/* mappings proposed by
* http://freedesktop.org/wiki/CommonExtendedAttributes
*/
{ "user.xdg.origin.url", CURLINFO_EFFECTIVE_URL },
{ "user.mime_type", CURLINFO_CONTENT_TYPE },
{ NULL, 0 } /* last element, abort loop here */
};
/* store metadata from the curl request alongside the downloaded
* file using extended attributes
*/
int write_xattr(CURL *curl, const char *filename)
{
int i = 0;
int err = 0;
/* loop through all xattr-curlinfo pairs and abort on a set error */
while ( err == 0 && mappings[i].attr != NULL ) {
char *value = NULL;
CURLcode rc = curl_easy_getinfo(curl, mappings[i].info, &value);
if ( rc == CURLE_OK && value ) {
err = setxattr( filename, mappings[i].attr, value, strlen(value), 0 );
}
i++;
}
return err;
}
#else
int write_xattr(CURL *curl, const char *filename)
{
(void)curl;
(void)filename;
return 0;
}
#endif
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