2 This file is part of GNUnet.
3 (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009, 2010 Christian Grothoff (and other contributing authors)
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
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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.
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21 * @file fs/gnunet-publish.c
22 * @brief publishing files on GNUnet
23 * @author Christian Grothoff
24 * @author Krista Bennett
25 * @author James Blackwell
26 * @author Igor Wronsky
29 #include "gnunet_fs_service.h"
31 #define DEFAULT_EXPIRATION GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_YEARS, 2)
37 static const struct GNUNET_CONFIGURATION_Handle *cfg;
39 static struct GNUNET_FS_Handle *ctx;
41 static struct GNUNET_SCHEDULER_Handle *sched;
43 static struct GNUNET_FS_PublishContext *pc;
45 static struct GNUNET_CONTAINER_MetaData *meta;
47 static struct GNUNET_FS_Uri *topKeywords;
49 static struct GNUNET_FS_Uri *uri;
51 static unsigned int anonymity = 1;
53 static unsigned int priority = 365;
55 static char *uri_string;
61 static char *pseudonym;
65 static int disable_extractor;
67 static int do_simulate;
69 static int extract_only;
71 static int do_disable_creation_time;
73 static GNUNET_SCHEDULER_TaskIdentifier kill_task;
77 do_stop_task (void *cls,
78 const struct GNUNET_SCHEDULER_TaskContext *tc)
80 struct GNUNET_FS_PublishContext *p;
86 GNUNET_FS_publish_stop (p);
89 GNUNET_CONTAINER_meta_data_destroy (meta);
97 * Called by FS client to give information about the progress of an
101 * @param info details about the event, specifying the event type
102 * and various bits about the event
103 * @return client-context (for the next progress call
104 * for this operation; should be set to NULL for
105 * SUSPEND and STOPPED events). The value returned
106 * will be passed to future callbacks in the respective
107 * field in the GNUNET_FS_ProgressInfo struct.
110 progress_cb (void *cls,
111 const struct GNUNET_FS_ProgressInfo *info)
115 switch (info->status)
117 case GNUNET_FS_STATUS_PUBLISH_START:
119 case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
122 s = GNUNET_STRINGS_relative_time_to_string(info->value.publish.eta);
124 _("Publishing `%s' at %llu/%llu (%s remaining)\n"),
125 info->value.publish.filename,
126 (unsigned long long) info->value.publish.completed,
127 (unsigned long long) info->value.publish.size,
132 case GNUNET_FS_STATUS_PUBLISH_ERROR:
134 _("Error publishing: %s.\n"),
135 info->value.publish.specifics.error.message);
136 if (kill_task != GNUNET_SCHEDULER_NO_TASK)
138 GNUNET_SCHEDULER_cancel (sched,
140 kill_task = GNUNET_SCHEDULER_NO_TASK;
142 GNUNET_SCHEDULER_add_continuation (sched,
145 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
147 case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
149 _("Publishing `%s' done.\n"),
150 info->value.publish.filename);
151 s = GNUNET_FS_uri_to_string (info->value.publish.specifics.completed.chk_uri);
156 if (info->value.publish.pctx == NULL)
158 if (kill_task != GNUNET_SCHEDULER_NO_TASK)
160 GNUNET_SCHEDULER_cancel (sched,
162 kill_task = GNUNET_SCHEDULER_NO_TASK;
164 GNUNET_SCHEDULER_add_continuation (sched,
167 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
170 case GNUNET_FS_STATUS_PUBLISH_STOPPED:
171 GNUNET_break (NULL == pc);
175 _("Unexpected status: %d\n"),
179 return ""; /* non-null */
184 * Print metadata entries (except binary
185 * metadata and the filename).
188 * @param plugin_name name of the plugin that generated the meta data
189 * @param type type of the meta data
190 * @param format format of data
191 * @param data_mime_type mime type of data
192 * @param data value of the meta data
193 * @param data_size number of bytes in data
197 meta_printer (void *cls,
198 const char *plugin_name,
199 enum EXTRACTOR_MetaType type,
200 enum EXTRACTOR_MetaFormat format,
201 const char *data_mime_type,
205 if ( (format != EXTRACTOR_METAFORMAT_UTF8) &&
206 (format != EXTRACTOR_METAFORMAT_C_STRING) )
208 if (type == EXTRACTOR_METATYPE_FILENAME)
212 EXTRACTOR_metatype_to_string (type),
219 * Function called on all entries before the publication. This is
220 * where we perform modifications to the default based on command-line
224 * @param fi the entry in the publish-structure
225 * @param length length of the file or directory
226 * @param m metadata for the file or directory (can be modified)
227 * @param uri pointer to the keywords that will be used for this entry (can be modified)
228 * @param anonymity pointer to selected anonymity level (can be modified)
229 * @param priority pointer to selected priority (can be modified)
230 * @param expirationTime pointer to selected expiration time (can be modified)
231 * @param client_info pointer to client context set upon creation (can be modified)
232 * @return GNUNET_OK to continue, GNUNET_NO to remove
233 * this entry from the directory, GNUNET_SYSERR
234 * to abort the iteration
237 publish_inspector (void *cls,
238 struct GNUNET_FS_FileInformation *fi,
240 struct GNUNET_CONTAINER_MetaData *m,
241 struct GNUNET_FS_Uri **uri,
242 unsigned int *anonymity,
243 unsigned int *priority,
244 struct GNUNET_TIME_Absolute *expirationTime,
249 struct GNUNET_FS_Uri *new_uri;
253 if (NULL != topKeywords)
257 new_uri = GNUNET_FS_uri_ksk_merge (topKeywords,
259 GNUNET_FS_uri_destroy (*uri);
261 GNUNET_FS_uri_destroy (topKeywords);
271 GNUNET_CONTAINER_meta_data_merge (m, meta);
272 GNUNET_CONTAINER_meta_data_destroy (meta);
275 if (! do_disable_creation_time)
276 GNUNET_CONTAINER_meta_data_add_publication_date (m);
279 fn = GNUNET_CONTAINER_meta_data_get_by_type (m,
280 EXTRACTOR_METATYPE_FILENAME);
281 fs = GNUNET_STRINGS_byte_size_fancy (length);
283 _("Keywords for file `%s' (%s)\n"),
288 GNUNET_CONTAINER_meta_data_iterate (m,
291 fprintf (stdout, "\n");
293 if (GNUNET_YES == GNUNET_FS_meta_data_test_for_directory (m))
294 GNUNET_FS_file_information_inspect (fi,
302 uri_sks_continuation (void *cls,
303 const struct GNUNET_FS_Uri *ksk_uri,
313 GNUNET_FS_uri_destroy (uri);
315 GNUNET_FS_stop (ctx);
321 uri_ksk_continuation (void *cls,
322 const struct GNUNET_FS_Uri *ksk_uri,
325 struct GNUNET_FS_Namespace *ns;
334 if (pseudonym != NULL)
336 ns = GNUNET_FS_namespace_create (ctx,
341 _("Failed to create namespace `%s'\n"),
347 GNUNET_FS_publish_sks (ctx,
353 GNUNET_TIME_relative_to_absolute (DEFAULT_EXPIRATION),
356 GNUNET_FS_PUBLISH_OPTION_NONE,
357 uri_sks_continuation,
359 GNUNET_assert (GNUNET_OK ==
360 GNUNET_FS_namespace_delete (ns, GNUNET_NO));
364 GNUNET_FS_uri_destroy (uri);
366 GNUNET_FS_stop (ctx);
372 * Main function that will be run by the scheduler.
375 * @param s the scheduler to use
376 * @param args remaining command-line arguments
377 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
378 * @param c configuration
382 struct GNUNET_SCHEDULER_Handle *s,
385 const struct GNUNET_CONFIGURATION_Handle *c)
387 struct GNUNET_FS_FileInformation *fi;
388 struct GNUNET_FS_Namespace *namespace;
389 struct EXTRACTOR_PluginList *l;
395 /* check arguments */
396 if ( ( (uri_string == NULL) || (extract_only) )
397 && ( (args[0] == NULL) || (args[1] != NULL) ) )
400 ("You must specify one and only one filename for insertion.\n"));
404 if ((uri_string != NULL) && (args[0] != NULL))
406 printf (_("You must NOT specify an URI and a filename.\n"));
410 if ((uri_string != NULL) && (extract_only))
412 printf (_("Cannot extract metadata from a URI!\n"));
416 if (pseudonym != NULL)
421 _("Option `%s' is required when using option `%s'.\n"),
428 { /* ordinary insertion checks */
432 _("Option `%s' makes no sense without option `%s'.\n"),
440 _("Option `%s' makes no sense without option `%s'.\n"),
446 if ( (args[0] == NULL) &&
447 (uri_string == NULL) )
450 _("Need the name of a file to publish!\n"));
455 ctx = GNUNET_FS_start (sched,
460 GNUNET_FS_FLAGS_NONE,
461 GNUNET_FS_OPTIONS_END);
465 _("Could not initialize `%s' subsystem.\n"),
471 if (NULL != pseudonym)
473 namespace = GNUNET_FS_namespace_create (ctx,
475 if (NULL == namespace)
478 _("Could not create namespace `%s'\n"),
480 GNUNET_FS_stop (ctx);
485 if (NULL != uri_string)
488 uri = GNUNET_FS_uri_parse (uri_string,
493 _("Failed to parse URI: %s\n"),
496 GNUNET_FS_stop (ctx);
500 GNUNET_FS_publish_ksk (ctx,
504 GNUNET_TIME_relative_to_absolute (DEFAULT_EXPIRATION),
507 GNUNET_FS_PUBLISH_OPTION_NONE,
508 &uri_ksk_continuation,
513 if (! disable_extractor)
515 l = EXTRACTOR_plugin_add_defaults (EXTRACTOR_OPTION_DEFAULT_POLICY);
517 GNUNET_CONFIGURATION_get_value_string (cfg, "FS", "EXTRACTORS",
521 l = EXTRACTOR_plugin_add_config (l, ex, EXTRACTOR_OPTION_DEFAULT_POLICY);
526 if (0 != STAT (args[0], &sbuf))
528 GNUNET_asprintf (&emsg,
529 _("Could not access file: %s\n"),
533 else if (S_ISDIR (sbuf.st_mode))
535 fi = GNUNET_FS_file_information_create_from_directory (ctx,
538 &GNUNET_FS_directory_scanner_default,
543 GNUNET_TIME_relative_to_absolute (DEFAULT_EXPIRATION),
548 fi = GNUNET_FS_file_information_create_from_file (ctx,
556 GNUNET_TIME_relative_to_absolute (DEFAULT_EXPIRATION));
557 GNUNET_break (fi != NULL);
559 EXTRACTOR_plugin_remove_all (l);
563 _("Could not publish `%s': %s\n"),
567 if (namespace != NULL)
568 GNUNET_FS_namespace_delete (namespace, GNUNET_NO);
569 GNUNET_FS_stop (ctx);
573 GNUNET_FS_file_information_inspect (fi,
578 if (namespace != NULL)
579 GNUNET_FS_namespace_delete (namespace, GNUNET_NO);
580 GNUNET_FS_file_information_destroy (fi, NULL, NULL);
581 GNUNET_FS_stop (ctx);
584 pc = GNUNET_FS_publish_start (ctx,
590 ? GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY
591 : GNUNET_FS_PUBLISH_OPTION_NONE);
595 _("Could not start publishing.\n"));
596 GNUNET_FS_stop (ctx);
600 kill_task = GNUNET_SCHEDULER_add_delayed (sched,
601 GNUNET_TIME_UNIT_FOREVER_REL,
608 * gnunet-publish command line options
610 static struct GNUNET_GETOPT_CommandLineOption options[] = {
611 {'a', "anonymity", "LEVEL",
612 gettext_noop ("set the desired LEVEL of sender-anonymity"),
613 1, &GNUNET_GETOPT_set_uint, &anonymity},
614 {'d', "disable-creation-time", NULL,
616 ("disable adding the creation time to the metadata of the uploaded file"),
617 0, &GNUNET_GETOPT_set_one, &do_disable_creation_time},
618 {'D', "disable-extractor", NULL,
620 ("do not use libextractor to add keywords or metadata"),
621 0, &GNUNET_GETOPT_set_one, &disable_extractor},
622 {'e', "extract", NULL,
624 ("print list of extracted keywords that would be used, but do not perform upload"),
625 0, &GNUNET_GETOPT_set_one, &extract_only},
626 {'k', "key", "KEYWORD",
628 ("add an additional keyword for the top-level file or directory"
629 " (this option can be specified multiple times)"),
630 1, &GNUNET_FS_getopt_set_keywords, &topKeywords},
631 {'m', "meta", "TYPE:VALUE",
632 gettext_noop ("set the meta-data for the given TYPE to the given VALUE"),
633 1, &GNUNET_FS_getopt_set_metadata, &meta},
634 {'n', "noindex", NULL,
635 gettext_noop ("do not index, perform full insertion (stores entire "
636 "file in encrypted form in GNUnet database)"),
637 0, &GNUNET_GETOPT_set_one, &do_insert},
640 ("specify ID of an updated version to be published in the future"
641 " (for namespace insertions only)"),
642 1, &GNUNET_GETOPT_set_string, &next_id},
643 {'p', "priority", "PRIORITY",
644 gettext_noop ("specify the priority of the content"),
645 1, &GNUNET_GETOPT_set_uint, &priority},
646 {'P', "pseudonym", "NAME",
648 ("publish the files under the pseudonym NAME (place file into namespace)"),
649 1, &GNUNET_GETOPT_set_string, &pseudonym},
650 {'s', "simulate-only", NULL,
651 gettext_noop ("only simulate the process but do not do any "
652 "actual publishing (useful to compute URIs)"),
653 0, &GNUNET_GETOPT_set_one, &do_simulate},
655 gettext_noop ("set the ID of this version of the publication"
656 " (for namespace insertions only)"),
657 1, &GNUNET_GETOPT_set_string, &this_id},
659 gettext_noop ("URI to be published (can be used instead of passing a "
660 "file to add keywords to the file with the respective URI)"),
661 1, &GNUNET_GETOPT_set_string, &uri_string},
662 {'V', "verbose", NULL,
663 gettext_noop ("be verbose (print progress information)"),
664 0, &GNUNET_GETOPT_set_one, &verbose},
665 GNUNET_GETOPT_OPTION_END
670 * The main function to publish content to GNUnet.
672 * @param argc number of arguments from the command line
673 * @param argv command line arguments
674 * @return 0 ok, 1 on error
677 main (int argc, char *const *argv)
680 GNUNET_PROGRAM_run (argc,
684 ("Publish files on GNUnet."),
685 options, &run, NULL)) ? ret : 1;
688 /* end of gnunet-publish.c */