2 This file is part of GNUnet.
3 Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
21 * @file fs/gnunet-directory.c
22 * @brief display content of GNUnet directories
23 * @author Christian Grothoff
26 #include "gnunet_fs_service.h"
31 * Print a meta data entry.
33 * @param cls closure (unused)
34 * @param plugin_name name of the plugin that generated the meta data
35 * @param type type of the keyword
36 * @param format format of data
37 * @param data_mime_type mime type of data
38 * @param data value of the meta data
39 * @param data_size number of bytes in @a data
40 * @return always 0 (to continue iterating)
43 item_printer (void *cls,
44 const char *plugin_name,
45 enum EXTRACTOR_MetaType type,
46 enum EXTRACTOR_MetaFormat format,
47 const char *data_mime_type,
51 if (type == EXTRACTOR_METATYPE_GNUNET_FULL_DATA)
53 printf (_ ("\t<original file embedded in %u bytes of meta data>\n"),
54 (unsigned int) data_size);
57 if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
58 (format != EXTRACTOR_METAFORMAT_C_STRING))
60 if (type == EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME)
63 printf ("\t%20s: %s\n",
64 dgettext (LIBEXTRACTOR_GETTEXT_DOMAIN,
65 EXTRACTOR_metatype_to_string (type)),
68 printf ("\t%20d: %s\n", type, data);
75 * Print an entry in a directory.
77 * @param cls closure (not used)
78 * @param filename name of the file in the directory
79 * @param uri URI of the file
80 * @param meta metadata for the file; metadata for
81 * the directory if everything else is NULL/zero
82 * @param length length of the available data for the file
83 * (of type size_t since data must certainly fit
84 * into memory; if files are larger than size_t
85 * permits, then they will certainly not be
86 * embedded with the directory itself).
87 * @param data data available for the file (length bytes)
90 print_entry (void *cls,
92 const struct GNUNET_FS_Uri *uri,
93 const struct GNUNET_CONTAINER_MetaData *meta,
100 name = GNUNET_CONTAINER_meta_data_get_by_type (
102 EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
105 printf (_ ("Directory `%s' meta data:\n"), name ? name : "");
106 GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
108 printf (_ ("Directory `%s' contents:\n"), name ? name : "");
109 GNUNET_free_non_null (name);
112 string = GNUNET_FS_uri_to_string (uri);
113 printf ("%s (%s):\n", name ? name : "", string);
114 GNUNET_free (string);
115 GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
117 GNUNET_free_non_null (name);
122 * Main function that will be run by the scheduler.
125 * @param args remaining command-line arguments
126 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
127 * @param cfg configuration
133 const struct GNUNET_CONFIGURATION_Handle *cfg)
135 struct GNUNET_DISK_MapHandle *map;
136 struct GNUNET_DISK_FileHandle *h;
140 const char *filename;
145 fprintf (stderr, "%s", _ ("You must specify a filename to inspect.\n"));
150 while (NULL != (filename = args[i++]))
153 GNUNET_DISK_file_size (filename, &size, GNUNET_YES, GNUNET_YES)) ||
154 (NULL == (h = GNUNET_DISK_file_open (filename,
155 GNUNET_DISK_OPEN_READ,
156 GNUNET_DISK_PERM_NONE))))
158 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
159 _ ("Failed to read directory `%s'\n"),
165 data = GNUNET_DISK_file_map (h, &map, GNUNET_DISK_MAP_TYPE_READ, len);
166 GNUNET_assert (NULL != data);
168 GNUNET_FS_directory_list_contents (len, data, 0, &print_entry, NULL))
169 fprintf (stdout, _ ("`%s' is not a GNUnet directory\n"), filename);
172 GNUNET_DISK_file_unmap (map);
173 GNUNET_DISK_file_close (h);
179 * The main function to inspect GNUnet directories.
181 * @param argc number of arguments from the command line
182 * @param argv command line arguments
183 * @return 0 ok, 1 on error
186 main (int argc, char *const *argv)
188 static struct GNUNET_GETOPT_CommandLineOption options[] = {
189 GNUNET_GETOPT_OPTION_END
192 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
196 GNUNET_PROGRAM_run (argc,
198 "gnunet-directory [OPTIONS] FILENAME",
200 "Display contents of a GNUnet directory"),
206 GNUNET_free ((void *) argv);
211 /* end of gnunet-directory.c */