| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2014, 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 https://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 "tool_setup.h" |
| |
| #ifdef HAVE_FSETXATTR |
| # include <sys/xattr.h> /* header from libc, not from libattr */ |
| # define USE_XATTR |
| #elif defined(__FreeBSD_version) && (__FreeBSD_version > 500000) |
| # include <sys/types.h> |
| # include <sys/extattr.h> |
| # define USE_XATTR |
| #endif |
| |
| #include "tool_xattr.h" |
| |
| #include "memdebug.h" /* keep this as LAST include */ |
| |
| #ifdef USE_XATTR |
| |
| /* 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 result = curl_easy_getinfo(curl, mappings[i].info, &value); |
| if(!result && 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); |
| #elif defined(__FreeBSD_version) |
| err = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, mappings[i].attr, value, |
| strlen(value)); |
| /* FreeBSD's extattr_set_fd returns the length of the extended attribute |
| */ |
| err = err < 0 ? err : 0; |
| #endif |
| } |
| i++; |
| } |
| |
| return err; |
| } |
| #else |
| int fwrite_xattr(CURL *curl, int fd) |
| { |
| (void)curl; |
| (void)fd; |
| |
| return 0; |
| } |
| #endif |