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-rw-r--r--src/fs/gnunet-pseudonym.c353
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diff --git a/src/fs/gnunet-pseudonym.c b/src/fs/gnunet-pseudonym.c
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1/*
2 This file is part of GNUnet.
3 (C) 2001-2013 Christian Grothoff (and other contributing authors)
4
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
9
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 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
19*/
20/**
21 * @file fs/gnunet-pseudonym.c
22 * @brief manage GNUnet namespaces / pseudonyms
23 * @author Christian Grothoff
24 */
25#include "platform.h"
26#include "gnunet_fs_service.h"
27#include "gnunet_identity_service.h"
28
29
30/**
31 * -A option
32 */
33static char *advertise_ns;
34
35/**
36 * -k option
37 */
38static struct GNUNET_FS_Uri *ksk_uri;
39
40/**
41 * -m option.
42 */
43static struct GNUNET_CONTAINER_MetaData *adv_metadata;
44
45/**
46 * Our block options (-p, -r, -a).
47 */
48static struct GNUNET_FS_BlockOptions bo = { {0LL}, 1, 365, 1 };
49
50/**
51 * -q option given.
52 */
53static int no_remote_printing;
54
55/**
56 * -r option.
57 */
58static char *root_identifier;
59
60/**
61 * -s option.
62 */
63static char *rating_change;
64
65/**
66 * Handle to fs service.
67 */
68static struct GNUNET_FS_Handle *h;
69
70/**
71 * Our configuration.
72 */
73static const struct GNUNET_CONFIGURATION_Handle *cfg;
74
75/**
76 * Handle to identity service.
77 */
78static struct GNUNET_IDENTITY_Handle *identity;
79
80/**
81 * Target namespace.
82 */
83static struct GNUNET_IDENTITY_Ego *namespace;
84
85/**
86 * URI to advertise.
87 */
88static struct GNUNET_FS_Uri *sks_uri;
89
90/**
91 * Global return value.
92 */
93static int ret;
94
95
96/**
97 * Progress callback given to FS.
98 *
99 * @param cls unused
100 * @param info progress information, unused
101 */
102static void *
103progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
104{
105 return NULL;
106}
107
108
109/**
110 * Output information about a pseudonym.
111 *
112 * @param cls closure
113 * @param pseudonym hash code of public key of pseudonym
114 * @param name name of the pseudonym (might be NULL)
115 * @param unique_name unique name of the pseudonym (might be NULL)
116 * @param md meta data known about the pseudonym
117 * @param rating the local rating of the pseudonym
118 * @return GNUNET_OK to continue iteration, GNUNET_SYSERR to abort
119 */
120static int
121pseudo_printer (void *cls,
122 const struct GNUNET_CRYPTO_EccPublicKey *pseudonym,
123 const char *name,
124 const char *unique_name,
125 const struct GNUNET_CONTAINER_MetaData *md,
126 int32_t rating)
127{
128 char *id;
129 char *unique_id;
130 int getinfo_result;
131
132 /* While we get a name from the caller, it might be NULL.
133 * GNUNET_FS_pseudonym_get_info () never returns NULL.
134 */
135 getinfo_result = GNUNET_FS_pseudonym_get_info (cfg, pseudonym,
136 NULL, NULL, &id, NULL);
137 if (GNUNET_OK != getinfo_result)
138 {
139 GNUNET_break (0);
140 return GNUNET_OK;
141 }
142 unique_id = GNUNET_FS_pseudonym_name_uniquify (cfg, pseudonym, id, NULL);
143 GNUNET_free (id);
144 FPRINTF (stdout,
145 "%s (%d):\n",
146 unique_id, rating);
147 GNUNET_CONTAINER_meta_data_iterate (md, &EXTRACTOR_meta_data_print, stdout);
148 FPRINTF (stdout,
149 "%s",
150 "\n");
151 GNUNET_free (unique_id);
152 return GNUNET_OK;
153}
154
155
156/**
157 * Function called once advertising is finished.
158 *
159 * @param cls closure (NULL)
160 * @param uri the advertised URI
161 * @param emsg error message, NULL on success
162 */
163static void
164post_advertising (void *cls,
165 const struct GNUNET_FS_Uri *uri,
166 const char *emsg)
167{
168 if (emsg != NULL)
169 {
170 FPRINTF (stderr, "%s", emsg);
171 ret = 1;
172 }
173 GNUNET_FS_stop (h);
174 GNUNET_IDENTITY_disconnect (identity);
175}
176
177
178/**
179 * Function called by identity service with known pseudonyms.
180 *
181 * @param cls closure, NULL
182 * @param ego ego handle
183 * @param ctx context for application to store data for this ego
184 * (during the lifetime of this process, initially NULL)
185 * @param name name assigned by the user for this ego,
186 * NULL if the user just deleted the ego and it
187 * must thus no longer be used
188 */
189static void
190identity_cb (void *cls,
191 struct GNUNET_IDENTITY_Ego *ego,
192 void **ctx,
193 const char *name)
194{
195 char *emsg;
196 struct GNUNET_CRYPTO_EccPublicKey pub;
197
198 if (NULL == ego)
199 {
200 if (NULL == namespace)
201 {
202 ret = 1;
203 return;
204 }
205 if (NULL != root_identifier)
206 {
207 if (NULL == ksk_uri)
208 {
209 emsg = NULL;
210 ksk_uri = GNUNET_FS_uri_parse ("gnunet://fs/ksk/namespace", &emsg);
211 GNUNET_assert (NULL == emsg);
212 }
213 GNUNET_IDENTITY_ego_get_public_key (namespace,
214 &pub);
215 sks_uri = GNUNET_FS_uri_sks_create (&pub,
216 root_identifier);
217 GNUNET_FS_publish_ksk (h, ksk_uri, adv_metadata, sks_uri,
218 &bo,
219 GNUNET_FS_PUBLISH_OPTION_NONE,
220 &post_advertising, NULL);
221 GNUNET_FS_uri_destroy (sks_uri);
222 return;
223 }
224 else
225 {
226 if (NULL != ksk_uri)
227 FPRINTF (stderr, _("Option `%s' ignored\n"), "-k");
228 if (NULL != advertise_ns)
229 FPRINTF (stderr, _("Option `%s' ignored\n"), "-A");
230 }
231 return;
232 }
233 if (0 == strcmp (name, advertise_ns))
234 namespace = ego;
235}
236
237
238/**
239 * Main function that will be run by the scheduler.
240 *
241 * @param cls closure
242 * @param args remaining command-line arguments
243 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
244 * @param c configuration
245 */
246static void
247run (void *cls, char *const *args, const char *cfgfile,
248 const struct GNUNET_CONFIGURATION_Handle *c)
249{
250 struct GNUNET_CRYPTO_EccPublicKey nsid;
251 char *set;
252 int delta;
253
254 cfg = c;
255 h = GNUNET_FS_start (cfg, "gnunet-pseudonym", &progress_cb, NULL,
256 GNUNET_FS_FLAGS_NONE, GNUNET_FS_OPTIONS_END);
257 if (NULL != rating_change)
258 {
259 set = rating_change;
260 while ((*set != '\0') && (*set != ':'))
261 set++;
262 if (*set != ':')
263 {
264 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
265 _("Invalid argument `%s'\n"),
266 rating_change);
267 }
268 else
269 {
270 *set = '\0';
271 delta = strtol (&set[1], NULL, /* no error handling yet */
272 10);
273 if (GNUNET_OK == GNUNET_FS_pseudonym_name_to_id (cfg, rating_change, &nsid))
274 {
275 (void) GNUNET_FS_pseudonym_rank (cfg, &nsid, delta);
276 }
277 else
278 {
279 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
280 ("Namespace `%s' unknown. Make sure you specify its numeric suffix, if any.\n"),
281 rating_change);
282 }
283 }
284 GNUNET_free (rating_change);
285 rating_change = NULL;
286 }
287 if (0 == no_remote_printing)
288 GNUNET_FS_pseudonym_list_all (cfg, &pseudo_printer, NULL);
289
290 if (NULL != advertise_ns)
291 identity = GNUNET_IDENTITY_connect (cfg,
292 &identity_cb,
293 NULL);
294}
295
296
297/**
298 * The main function to manipulate GNUnet pseudonyms (and publish
299 * to namespaces).
300 *
301 * @param argc number of arguments from the command line
302 * @param argv command line arguments
303 * @return 0 ok, 1 on error
304 */
305int
306main (int argc, char *const *argv)
307{
308 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
309 {'a', "anonymity", "LEVEL",
310 gettext_noop ("set the desired LEVEL of sender-anonymity"),
311 1, &GNUNET_GETOPT_set_uint, &bo.anonymity_level},
312 {'A', "advertise", "NAME",
313 gettext_noop ("advertise namespace NAME"),
314 1, &GNUNET_GETOPT_set_string, &advertise_ns},
315 {'k', "keyword", "VALUE",
316 gettext_noop ("add an additional keyword for the advertisment"
317 " (this option can be specified multiple times)"),
318 1, &GNUNET_FS_getopt_set_keywords, &ksk_uri},
319 {'m', "meta", "TYPE:VALUE",
320 gettext_noop ("set the meta-data for the given TYPE to the given VALUE"),
321 1, &GNUNET_FS_getopt_set_metadata, &adv_metadata},
322 {'p', "priority", "PRIORITY",
323 gettext_noop ("use the given PRIORITY for the advertisments"),
324 1, &GNUNET_GETOPT_set_uint, &bo.content_priority},
325 {'q', "quiet", NULL,
326 gettext_noop ("do not print names of remote namespaces"),
327 0, &GNUNET_GETOPT_set_one, &no_remote_printing},
328 {'r', "replication", "LEVEL",
329 gettext_noop ("set the desired replication LEVEL"),
330 1, &GNUNET_GETOPT_set_uint, &bo.replication_level},
331 {'R', "root", "ID",
332 gettext_noop ("specify ID of the root of the namespace"),
333 1, &GNUNET_GETOPT_set_string, &root_identifier},
334 {'s', "set-rating", "ID:VALUE",
335 gettext_noop ("change rating of namespace ID by VALUE"),
336 1, &GNUNET_GETOPT_set_string, &rating_change},
337 GNUNET_GETOPT_OPTION_END
338 };
339 bo.expiration_time =
340 GNUNET_FS_year_to_time (GNUNET_FS_get_current_year () + 2);
341
342 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
343 return 2;
344
345 ret = (GNUNET_OK ==
346 GNUNET_PROGRAM_run (argc, argv, "gnunet-pseudonym [OPTIONS]",
347 gettext_noop ("Manage GNUnet pseudonyms."),
348 options, &run, NULL)) ? ret : 1;
349 GNUNET_free ((void*) argv);
350 return ret;
351}
352
353/* end of gnunet-pseudonym.c */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-26 23:11:40 +0000