/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2011, 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. * ***************************************************************************/ #include "setup.h" #ifdef HAVE_FSETXATTR # include <sys/xattr.h> /* header from libc, not from libattr */ #endif #include <curl/curl.h> #include "tool_xattr.h" #include "memdebug.h" /* keep this as LAST include */ #ifdef HAVE_FSETXATTR /* 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, CURLINFO_NONE } /* last element, abort loop here */ }; /* store metadata from the curl request alongside the downloaded * file using extended attributes */ int fwrite_xattr(CURL *curl, int fd) { 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) { #ifdef HAVE_FSETXATTR_6 err = fsetxattr(fd, mappings[i].attr, value, strlen(value), 0, 0); #elif defined(HAVE_FSETXATTR_5) err = fsetxattr(fd, mappings[i].attr, value, strlen(value), 0); #endif } i++; } return err; } #else int fwrite_xattr(CURL *curl, int fd) { (void)curl; (void)fd; return 0; } #endif