5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 2001 - 2002 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; version 2 of the License.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
21 #include "silcincludes.h"
22 #include "silcclient.h"
23 #include "client_internal.h"
25 /******************************************************************************
27 Client Searching Locally
29 ******************************************************************************/
31 /* Same as silc_client_get_clients function but does not resolve anything
32 from the server. This checks local cache and returns all matching
33 clients from the local cache. If none was found this returns NULL.
34 The `nickname' is the real nickname of the client, and the `format'
35 is the formatted nickname to find exact match from multiple found
36 entries. The format must be same as given in the SilcClientParams
37 structure to the client library. If the `format' is NULL all found
38 clients by `nickname' are returned. */
40 SilcClientEntry *silc_client_get_clients_local(SilcClient client,
41 SilcClientConnection conn,
44 SilcUInt32 *clients_count)
46 SilcIDCacheEntry id_cache;
47 SilcIDCacheList list = NULL;
48 SilcClientEntry entry, *clients;
52 /* Find ID from cache */
53 if (!silc_idcache_find_by_name(conn->client_cache, (char *)nickname, &list))
56 if (!silc_idcache_list_count(list)) {
57 silc_idcache_list_free(list);
61 clients = silc_calloc(silc_idcache_list_count(list), sizeof(*clients));
62 *clients_count = silc_idcache_list_count(list);
65 /* Take all without any further checking */
66 silc_idcache_list_first(list, &id_cache);
68 clients[i++] = id_cache->context;
70 if (!silc_idcache_list_next(list, &id_cache))
74 /* Check multiple cache entries for match */
75 silc_idcache_list_first(list, &id_cache);
77 entry = (SilcClientEntry)id_cache->context;
78 if (strcasecmp(entry->nickname, format)) {
79 if (!silc_idcache_list_next(list, &id_cache)) {
86 clients[i++] = id_cache->context;
88 if (!silc_idcache_list_next(list, &id_cache))
94 silc_idcache_list_free(list);
107 /******************************************************************************
109 Client Resolving from Server
111 ******************************************************************************/
115 SilcClientConnection conn;
116 SilcGetClientCallback completion;
120 } *GetClientInternal;
122 SILC_CLIENT_CMD_FUNC(get_client_callback)
124 GetClientInternal i = (GetClientInternal)context;
125 SilcClientEntry *clients;
126 SilcUInt32 clients_count;
128 /* Get the clients */
129 clients = silc_client_get_clients_local(i->client, i->conn,
130 i->nickname, i->server,
133 i->completion(i->client, i->conn, clients, clients_count, i->context);
136 i->completion(i->client, i->conn, NULL, 0, i->context);
139 silc_free(i->nickname);
140 silc_free(i->server);
144 /* Finds client entry or entries by the `nickname' and `server'. The
145 completion callback will be called when the client entries has been found.
147 Note: this function is always asynchronous and resolves the client
148 information from the server. Thus, if you already know the client
149 information then use the silc_client_get_client_by_id function to
150 get the client entry since this function may be very slow and should
151 be used only to initially get the client entries. */
153 void silc_client_get_clients(SilcClient client,
154 SilcClientConnection conn,
155 const char *nickname,
157 SilcGetClientCallback completion,
166 i = silc_calloc(1, sizeof(*i));
169 i->nickname = strdup(nickname);
170 i->server = server ? strdup(server) : NULL;
171 i->completion = completion;
172 i->context = context;
174 if (nickname && server) {
175 userhost = silc_calloc(strlen(nickname) + strlen(server) + 2,
177 strncat(userhost, nickname, strlen(nickname));
178 strncat(userhost, "@", 1);
179 strncat(userhost, server, strlen(server));
181 userhost = strdup(nickname);
184 /* Register our own command reply for this command */
185 silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL,
186 silc_client_command_reply_identify_i, 0,
189 /* Send the command */
190 silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
191 conn->cmd_ident, 1, 1, userhost,
194 /* Add pending callback */
195 silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident,
196 silc_client_command_get_client_callback,
202 /* The old style function to find client entry. This is used by the
203 library internally. If `query' is TRUE then the client information is
204 requested by the server. The pending command callback must be set
206 /* XXX This function should be removed */
208 SilcClientEntry silc_idlist_get_client(SilcClient client,
209 SilcClientConnection conn,
210 const char *nickname,
214 SilcIDCacheEntry id_cache;
215 SilcIDCacheList list = NULL;
216 SilcClientEntry entry = NULL;
218 SILC_LOG_DEBUG(("Start"));
220 /* Find ID from cache */
221 if (!silc_idcache_find_by_name(conn->client_cache, (char *)nickname,
226 SILC_LOG_DEBUG(("Requesting Client ID from server"));
228 /* Register our own command reply for this command */
229 silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL,
230 silc_client_command_reply_identify_i, 0,
233 /* Send the command */
234 silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
235 conn->cmd_ident, 1, 1, nickname,
239 silc_idcache_list_free(list);
247 /* Take first found cache entry */
248 if (!silc_idcache_list_first(list, &id_cache))
251 entry = (SilcClientEntry)id_cache->context;
253 /* Check multiple cache entries for match */
254 silc_idcache_list_first(list, &id_cache);
256 entry = (SilcClientEntry)id_cache->context;
258 if (strcasecmp(entry->nickname, format)) {
259 if (!silc_idcache_list_next(list, &id_cache)) {
271 /* If match weren't found, request it */
277 silc_idcache_list_free(list);
285 SilcClientConnection conn;
286 SilcUInt32 list_count;
287 SilcBuffer client_id_list;
288 SilcGetClientCallback completion;
291 } *GetClientsByListInternal;
293 SILC_CLIENT_CMD_FUNC(get_clients_list_callback)
295 GetClientsByListInternal i = (GetClientsByListInternal)context;
296 SilcIDCacheEntry id_cache = NULL;
297 SilcBuffer client_id_list = i->client_id_list;
298 SilcClientEntry *clients = NULL;
299 SilcUInt32 clients_count = 0;
303 SILC_LOG_DEBUG(("Start"));
311 SILC_LOG_DEBUG(("Resolved all clients"));
313 for (c = 0; c < i->list_count; c++) {
315 SilcClientID *client_id;
318 SILC_GET16_MSB(idp_len, client_id_list->data + 2);
320 client_id = silc_id_payload_parse_id(client_id_list->data, idp_len, NULL);
322 silc_buffer_pull(client_id_list, idp_len);
326 /* Get the client entry */
327 if (silc_idcache_find_by_id_one_ext(i->conn->client_cache,
330 silc_hash_client_id_compare, NULL,
332 clients = silc_realloc(clients, sizeof(*clients) *
333 (clients_count + 1));
334 clients[clients_count] = (SilcClientEntry)id_cache->context;
339 silc_free(client_id);
340 silc_buffer_pull(client_id_list, idp_len);
344 i->completion(i->client, i->conn, clients, clients_count, i->context);
347 i->completion(i->client, i->conn, NULL, 0, i->context);
350 if (i->client_id_list)
351 silc_buffer_free(i->client_id_list);
355 /* Gets client entries by the list of client ID's `client_id_list'. This
356 always resolves those client ID's it does not know yet from the server
357 so this function might take a while. The `client_id_list' is a list
358 of ID Payloads added one after other. JOIN command reply and USERS
359 command reply for example returns this sort of list. The `completion'
360 will be called after the entries are available. */
362 void silc_client_get_clients_by_list(SilcClient client,
363 SilcClientConnection conn,
364 SilcUInt32 list_count,
365 SilcBuffer client_id_list,
366 SilcGetClientCallback completion,
369 SilcIDCacheEntry id_cache = NULL;
371 unsigned char **res_argv = NULL;
372 SilcUInt32 *res_argv_lens = NULL, *res_argv_types = NULL, res_argc = 0;
373 GetClientsByListInternal in;
374 bool wait_res = FALSE;
376 SILC_LOG_DEBUG(("Start"));
378 in = silc_calloc(1, sizeof(*in));
381 in->list_count = list_count;
382 in->client_id_list = silc_buffer_copy(client_id_list);
383 in->completion = completion;
384 in->context = context;
386 for (i = 0; i < list_count; i++) {
388 SilcClientID *client_id;
389 SilcClientEntry entry;
393 SILC_GET16_MSB(idp_len, client_id_list->data + 2);
395 client_id = silc_id_payload_parse_id(client_id_list->data, idp_len, NULL);
397 silc_buffer_pull(client_id_list, idp_len);
401 /* Check if we have this client cached already. */
403 silc_idcache_find_by_id_one_ext(conn->client_cache, (void *)client_id,
405 silc_hash_client_id_compare, NULL,
408 /* If we don't have the entry or it has incomplete info, then resolve
409 it from the server. */
410 if (!ret || !((SilcClientEntry)id_cache->context)->nickname) {
411 entry = ret ? (SilcClientEntry)id_cache->context : NULL;
414 if (entry->status & SILC_CLIENT_STATUS_RESOLVING) {
415 /* Attach to this resolving and wait until it finishes */
416 silc_client_command_pending(
417 conn, SILC_COMMAND_NONE,
418 entry->resolve_cmd_ident,
419 silc_client_command_get_clients_list_callback,
424 silc_free(client_id);
425 silc_buffer_pull(client_id_list, idp_len);
429 entry->status |= SILC_CLIENT_STATUS_RESOLVING;
430 entry->resolve_cmd_ident = conn->cmd_ident + 1;
433 /* No we don't have it, query it from the server. Assemble argument
434 table that will be sent for the IDENTIFY command later. */
435 res_argv = silc_realloc(res_argv, sizeof(*res_argv) *
437 res_argv_lens = silc_realloc(res_argv_lens, sizeof(*res_argv_lens) *
439 res_argv_types = silc_realloc(res_argv_types, sizeof(*res_argv_types) *
441 res_argv[res_argc] = client_id_list->data;
442 res_argv_lens[res_argc] = idp_len;
443 res_argv_types[res_argc] = res_argc + 5;
447 silc_free(client_id);
448 silc_buffer_pull(client_id_list, idp_len);
451 silc_buffer_push(client_id_list, client_id_list->data -
452 client_id_list->head);
454 /* Query the client information from server if the list included clients
455 that we don't know about. */
459 /* Send the IDENTIFY command to server */
460 res_cmd = silc_command_payload_encode(SILC_COMMAND_IDENTIFY,
461 res_argc, res_argv, res_argv_lens,
462 res_argv_types, ++conn->cmd_ident);
463 silc_client_packet_send(client, conn->sock, SILC_PACKET_COMMAND,
464 NULL, 0, NULL, NULL, res_cmd->data, res_cmd->len,
467 /* Register our own command reply for this command */
468 silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL,
469 silc_client_command_reply_identify_i, 0,
472 /* Process the applications request after reply has been received */
473 silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident,
474 silc_client_command_get_clients_list_callback,
478 silc_buffer_free(res_cmd);
480 silc_free(res_argv_lens);
481 silc_free(res_argv_types);
488 /* We have the clients in cache, get them and call the completion */
489 silc_client_command_get_clients_list_callback((void *)in, NULL);
492 /* Finds entry for client by the client's ID. Returns the entry or NULL
493 if the entry was not found. */
495 SilcClientEntry silc_client_get_client_by_id(SilcClient client,
496 SilcClientConnection conn,
497 SilcClientID *client_id)
499 SilcIDCacheEntry id_cache;
501 SILC_LOG_DEBUG(("Finding client by ID (%s)",
502 silc_id_render(client_id, SILC_ID_CLIENT)));
504 /* Find ID from cache */
505 if (!silc_idcache_find_by_id_one_ext(conn->client_cache, (void *)client_id,
507 silc_hash_client_id_compare, NULL,
511 SILC_LOG_DEBUG(("Found"));
513 return (SilcClientEntry)id_cache->context;
518 SilcClientConnection conn;
519 SilcClientID *client_id;
520 SilcGetClientCallback completion;
522 } *GetClientByIDInternal;
524 SILC_CLIENT_CMD_FUNC(get_client_by_id_callback)
526 GetClientByIDInternal i = (GetClientByIDInternal)context;
527 SilcClientEntry entry;
530 entry = silc_client_get_client_by_id(i->client, i->conn, i->client_id);
533 i->completion(i->client, i->conn, &entry, 1, i->context);
536 i->completion(i->client, i->conn, NULL, 0, i->context);
539 silc_free(i->client_id);
543 /* Same as above but will always resolve the information from the server.
544 Use this only if you know that you don't have the entry and the only
545 thing you know about the client is its ID. */
547 void silc_client_get_client_by_id_resolve(SilcClient client,
548 SilcClientConnection conn,
549 SilcClientID *client_id,
550 SilcGetClientCallback completion,
554 GetClientByIDInternal i = silc_calloc(1, sizeof(*i));
556 SILC_LOG_DEBUG(("Start"));
560 i->client_id = silc_id_dup(client_id, SILC_ID_CLIENT);
561 i->completion = completion;
562 i->context = context;
564 /* Register our own command reply for this command */
565 silc_client_command_register(client, SILC_COMMAND_WHOIS, NULL, NULL,
566 silc_client_command_reply_whois_i, 0,
569 /* Send the command */
570 idp = silc_id_payload_encode(client_id, SILC_ID_CLIENT);
571 silc_client_command_send(client, conn, SILC_COMMAND_WHOIS, conn->cmd_ident,
572 1, 4, idp->data, idp->len);
573 silc_buffer_free(idp);
575 /* Add pending callback */
576 silc_client_command_pending(conn, SILC_COMMAND_WHOIS, conn->cmd_ident,
577 silc_client_command_get_client_by_id_callback,
582 /******************************************************************************
584 Client, Channel and Server entry manipulation
586 ******************************************************************************/
589 /* Creates new client entry and adds it to the ID cache. Returns pointer
593 silc_client_add_client(SilcClient client, SilcClientConnection conn,
594 char *nickname, char *username,
595 char *userinfo, SilcClientID *id, SilcUInt32 mode)
597 SilcClientEntry client_entry;
600 SILC_LOG_DEBUG(("Start"));
602 /* Save the client infos */
603 client_entry = silc_calloc(1, sizeof(*client_entry));
604 client_entry->id = id;
605 client_entry->valid = TRUE;
606 silc_parse_userfqdn(nickname, &nick, &client_entry->server);
607 silc_parse_userfqdn(username, &client_entry->username,
608 &client_entry->hostname);
610 client_entry->realname = strdup(userinfo);
611 client_entry->mode = mode;
613 client_entry->nickname = strdup(nick);
614 client_entry->channels = silc_hash_table_alloc(1, silc_hash_ptr, NULL, NULL,
615 NULL, NULL, NULL, TRUE);
617 /* Format the nickname */
618 silc_client_nickname_format(client, conn, client_entry);
620 /* Add client to cache, the non-formatted nickname is saved to cache */
621 if (!silc_idcache_add(conn->client_cache, nick, client_entry->id,
622 (void *)client_entry, 0, NULL)) {
623 silc_free(client_entry->nickname);
624 silc_free(client_entry->username);
625 silc_free(client_entry->hostname);
626 silc_free(client_entry->server);
627 silc_hash_table_free(client_entry->channels);
628 silc_free(client_entry);
635 /* Updates the `client_entry' with the new information sent as argument. */
637 void silc_client_update_client(SilcClient client,
638 SilcClientConnection conn,
639 SilcClientEntry client_entry,
640 const char *nickname,
641 const char *username,
642 const char *userinfo,
647 SILC_LOG_DEBUG(("Start"));
649 if (!client_entry->username && username)
650 silc_parse_userfqdn(username, &client_entry->username,
651 &client_entry->hostname);
652 if (!client_entry->realname && userinfo)
653 client_entry->realname = strdup(userinfo);
654 if (!client_entry->nickname && nickname) {
655 silc_parse_userfqdn(nickname, &nick, &client_entry->server);
656 client_entry->nickname = strdup(nick);
657 silc_client_nickname_format(client, conn, client_entry);
659 client_entry->mode = mode;
662 /* Remove the old cache entry and create a new one */
663 silc_idcache_del_by_context(conn->client_cache, client_entry);
664 silc_idcache_add(conn->client_cache, nick, client_entry->id,
665 client_entry, 0, NULL);
669 /* Deletes the client entry and frees all memory. */
671 void silc_client_del_client_entry(SilcClient client,
672 SilcClientConnection conn,
673 SilcClientEntry client_entry)
675 SILC_LOG_DEBUG(("Start"));
677 silc_free(client_entry->nickname);
678 silc_free(client_entry->username);
679 silc_free(client_entry->realname);
680 silc_free(client_entry->hostname);
681 silc_free(client_entry->server);
682 silc_free(client_entry->id);
683 silc_free(client_entry->fingerprint);
684 silc_hash_table_free(client_entry->channels);
685 if (client_entry->send_key)
686 silc_cipher_free(client_entry->send_key);
687 if (client_entry->receive_key)
688 silc_cipher_free(client_entry->receive_key);
689 silc_free(client_entry->key);
690 silc_client_ftp_session_free_client(conn, client_entry);
691 if (client_entry->ke)
692 silc_client_abort_key_agreement(client, conn, client_entry);
693 silc_free(client_entry);
696 /* Removes client from the cache by the client entry. */
698 bool silc_client_del_client(SilcClient client, SilcClientConnection conn,
699 SilcClientEntry client_entry)
701 bool ret = silc_idcache_del_by_context(conn->client_cache, client_entry);
703 /* Remove from channels */
704 silc_client_remove_from_channels(client, conn, client_entry);
706 /* Free the client entry data */
707 silc_client_del_client_entry(client, conn, client_entry);
712 /* Add new channel entry to the ID Cache */
714 SilcChannelEntry silc_client_add_channel(SilcClient client,
715 SilcClientConnection conn,
716 const char *channel_name,
718 SilcChannelID *channel_id)
720 SilcChannelEntry channel;
722 SILC_LOG_DEBUG(("Start"));
724 channel = silc_calloc(1, sizeof(*channel));
725 channel->channel_name = strdup(channel_name);
726 channel->id = channel_id;
727 channel->mode = mode;
728 channel->user_list = silc_hash_table_alloc(1, silc_hash_ptr, NULL, NULL,
729 NULL, NULL, NULL, TRUE);
731 /* Put it to the ID cache */
732 if (!silc_idcache_add(conn->channel_cache, channel->channel_name,
733 (void *)channel->id, (void *)channel, 0, NULL)) {
734 silc_free(channel->channel_name);
735 silc_hash_table_free(channel->user_list);
743 /* Foreach callbcak to free all users from the channel when deleting a
746 static void silc_client_del_channel_foreach(void *key, void *context,
749 SilcChannelUser chu = (SilcChannelUser)context;
751 SILC_LOG_DEBUG(("Start"));
753 /* Remove the context from the client's channel hash table as that
754 table and channel's user_list hash table share this same context. */
755 silc_hash_table_del(chu->client->channels, chu->channel);
759 /* Removes channel from the cache by the channel entry. */
761 bool silc_client_del_channel(SilcClient client, SilcClientConnection conn,
762 SilcChannelEntry channel)
764 bool ret = silc_idcache_del_by_context(conn->channel_cache, channel);
766 SILC_LOG_DEBUG(("Start"));
768 /* Free all client entrys from the users list. The silc_hash_table_free
769 will free all the entries so they are not freed at the foreach
771 silc_hash_table_foreach(channel->user_list, silc_client_del_channel_foreach,
773 silc_hash_table_free(channel->user_list);
775 silc_free(channel->channel_name);
776 silc_free(channel->id);
777 silc_free(channel->key);
778 if (channel->channel_key)
779 silc_cipher_free(channel->channel_key);
781 silc_hmac_free(channel->hmac);
782 if (channel->old_channel_key)
783 silc_cipher_free(channel->old_channel_key);
784 if (channel->old_hmac)
785 silc_hmac_free(channel->old_hmac);
786 if (channel->rekey_task)
787 silc_schedule_task_del(conn->client->schedule, channel->rekey_task);
788 silc_client_del_channel_private_keys(client, conn, channel);
793 /* Replaces the channel ID of the `channel' to `new_id'. Returns FALSE
794 if the ID could not be changed. */
796 bool silc_client_replace_channel_id(SilcClient client,
797 SilcClientConnection conn,
798 SilcChannelEntry channel,
799 SilcChannelID *new_id)
804 SILC_LOG_DEBUG(("Old Channel ID id(%s)",
805 silc_id_render(channel->id, SILC_ID_CHANNEL)));
806 SILC_LOG_DEBUG(("New Channel ID id(%s)",
807 silc_id_render(new_id, SILC_ID_CHANNEL)));
809 silc_idcache_del_by_id(conn->channel_cache, channel->id);
810 silc_free(channel->id);
811 channel->id = new_id;
812 return silc_idcache_add(conn->channel_cache, channel->channel_name,
813 (void *)channel->id, (void *)channel, 0, NULL);
817 /* Finds entry for channel by the channel name. Returns the entry or NULL
818 if the entry was not found. It is found only if the client is joined
821 SilcChannelEntry silc_client_get_channel(SilcClient client,
822 SilcClientConnection conn,
825 SilcIDCacheEntry id_cache;
826 SilcChannelEntry entry;
828 SILC_LOG_DEBUG(("Start"));
830 if (!silc_idcache_find_by_name_one(conn->channel_cache, channel,
834 entry = (SilcChannelEntry)id_cache->context;
836 SILC_LOG_DEBUG(("Found"));
841 /* Finds entry for channel by the channel ID. Returns the entry or NULL
842 if the entry was not found. It is found only if the client is joined
845 SilcChannelEntry silc_client_get_channel_by_id(SilcClient client,
846 SilcClientConnection conn,
847 SilcChannelID *channel_id)
849 SilcIDCacheEntry id_cache;
850 SilcChannelEntry entry;
852 SILC_LOG_DEBUG(("Start"));
854 if (!silc_idcache_find_by_id_one(conn->channel_cache, channel_id,
858 entry = (SilcChannelEntry)id_cache->context;
860 SILC_LOG_DEBUG(("Found"));
867 SilcClientConnection conn;
868 SilcChannelID *channel_id;
869 SilcGetChannelCallback completion;
871 } *GetChannelByIDInternal;
873 SILC_CLIENT_CMD_FUNC(get_channel_by_id_callback)
875 GetChannelByIDInternal i = (GetChannelByIDInternal)context;
876 SilcChannelEntry entry;
878 SILC_LOG_DEBUG(("Start"));
880 /* Get the channel */
881 entry = silc_client_get_channel_by_id(i->client, i->conn, i->channel_id);
883 i->completion(i->client, i->conn, &entry, 1, i->context);
885 i->completion(i->client, i->conn, NULL, 0, i->context);
888 silc_free(i->channel_id);
892 /* Resolves channel information from the server by the channel ID. */
894 void silc_client_get_channel_by_id_resolve(SilcClient client,
895 SilcClientConnection conn,
896 SilcChannelID *channel_id,
897 SilcGetChannelCallback completion,
901 GetChannelByIDInternal i = silc_calloc(1, sizeof(*i));
903 SILC_LOG_DEBUG(("Start"));
907 i->channel_id = silc_id_dup(channel_id, SILC_ID_CHANNEL);
908 i->completion = completion;
909 i->context = context;
911 /* Register our own command reply for this command */
912 silc_client_command_register(client, SILC_COMMAND_IDENTIFY, NULL, NULL,
913 silc_client_command_reply_identify_i, 0,
916 /* Send the command */
917 idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
918 silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
920 1, 5, idp->data, idp->len);
921 silc_buffer_free(idp);
923 /* Add pending callback */
924 silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident,
925 silc_client_command_get_channel_by_id_callback,
929 /* Finds entry for server by the server name. */
931 SilcServerEntry silc_client_get_server(SilcClient client,
932 SilcClientConnection conn,
935 SilcIDCacheEntry id_cache;
936 SilcServerEntry entry;
938 SILC_LOG_DEBUG(("Start"));
940 if (!silc_idcache_find_by_name_one(conn->server_cache, server_name,
944 entry = (SilcServerEntry)id_cache->context;
949 /* Finds entry for server by the server ID. */
951 SilcServerEntry silc_client_get_server_by_id(SilcClient client,
952 SilcClientConnection conn,
953 SilcServerID *server_id)
955 SilcIDCacheEntry id_cache;
956 SilcServerEntry entry;
958 SILC_LOG_DEBUG(("Start"));
960 if (!silc_idcache_find_by_id_one(conn->server_cache, (void *)server_id,
964 entry = (SilcServerEntry)id_cache->context;
969 /* Add new server entry */
971 SilcServerEntry silc_client_add_server(SilcClient client,
972 SilcClientConnection conn,
973 const char *server_name,
974 const char *server_info,
975 SilcServerID *server_id)
977 SilcServerEntry server_entry;
979 server_entry = silc_calloc(1, sizeof(*server_entry));
980 if (!server_entry || !server_id)
983 server_entry->server_id = server_id;
985 server_entry->server_name = strdup(server_name);
987 server_entry->server_info = strdup(server_info);
989 /* Add server to cache */
990 if (!silc_idcache_add(conn->server_cache, server_entry->server_name,
991 server_entry->server_id, server_entry, 0, NULL)) {
992 silc_free(server_entry->server_id);
993 silc_free(server_entry->server_name);
994 silc_free(server_entry->server_info);
995 silc_free(server_entry);
1002 /* Removes server from the cache by the server entry. */
1004 bool silc_client_del_server(SilcClient client, SilcClientConnection conn,
1005 SilcServerEntry server)
1007 bool ret = silc_idcache_del_by_context(conn->server_cache, server);
1008 silc_free(server->server_name);
1009 silc_free(server->server_info);
1010 silc_free(server->server_id);
1015 /* Formats the nickname of the client specified by the `client_entry'.
1016 If the format is specified by the application this will format the
1017 nickname and replace the old nickname in the client entry. If the
1018 format string is not specified then this function has no effect. */
1020 void silc_client_nickname_format(SilcClient client,
1021 SilcClientConnection conn,
1022 SilcClientEntry client_entry)
1025 char *newnick = NULL;
1026 int i, off = 0, len;
1028 SilcClientEntry *clients;
1029 SilcUInt32 clients_count = 0;
1030 SilcClientEntry unformatted = NULL;
1032 SILC_LOG_DEBUG(("Start"));
1034 if (!client->internal->params->nickname_format[0])
1037 if (!client_entry->nickname)
1040 /* Get all clients with same nickname. Do not perform the formatting
1041 if there aren't any clients with same nickname unless the application
1042 is forcing us to do so. */
1043 clients = silc_client_get_clients_local(client, conn,
1044 client_entry->nickname, NULL,
1046 if (!clients && !client->internal->params->nickname_force_format)
1051 for (i = 0; i < clients_count; i++) {
1052 if (clients[i]->valid && clients[i] != client_entry)
1054 if (clients[i]->valid && clients[i] != client_entry &&
1055 !strcmp(clients[i]->nickname, client_entry->nickname))
1058 if (!len || freebase)
1061 cp = client->internal->params->nickname_format;
1071 if (!client_entry->nickname)
1073 len = strlen(client_entry->nickname);
1074 newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len));
1075 memcpy(&newnick[off], client_entry->nickname, len);
1079 /* Stripped hostname */
1080 if (!client_entry->hostname)
1082 len = strcspn(client_entry->hostname, ".");
1083 i = strcspn(client_entry->hostname, "-");
1086 newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len));
1087 memcpy(&newnick[off], client_entry->hostname, len);
1092 if (!client_entry->hostname)
1094 len = strlen(client_entry->hostname);
1095 newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len));
1096 memcpy(&newnick[off], client_entry->hostname, len);
1100 /* Stripped server name */
1101 if (!client_entry->server)
1103 len = strcspn(client_entry->server, ".");
1104 newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len));
1105 memcpy(&newnick[off], client_entry->server, len);
1109 /* Full server name */
1110 if (!client_entry->server)
1112 len = strlen(client_entry->server);
1113 newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len));
1114 memcpy(&newnick[off], client_entry->server, len);
1118 /* Ascending number */
1123 if (clients_count == 1) {
1124 unformatted = clients[0];
1128 for (i = 0; i < clients_count; i++) {
1129 if (!strncasecmp(clients[i]->nickname, client_entry->nickname,
1130 strlen(clients[i]->nickname)))
1131 unformatted = clients[i];
1132 if (strncasecmp(clients[i]->nickname, newnick, off))
1134 if (strlen(clients[i]->nickname) <= off)
1136 num = atoi(&clients[i]->nickname[off]);
1141 memset(tmp, 0, sizeof(tmp));
1142 snprintf(tmp, sizeof(tmp) - 1, "%d", ++max);
1144 newnick = silc_realloc(newnick, sizeof(*newnick) * (off + len));
1145 memcpy(&newnick[off], tmp, len);
1150 /* Some other character in the string */
1151 newnick = silc_realloc(newnick, sizeof(*newnick) * (off + 1));
1152 memcpy(&newnick[off], cp, 1);
1160 newnick = silc_realloc(newnick, sizeof(*newnick) * (off + 1));
1163 /* If we are changing nickname of our local entry we'll enforce
1164 that we will always get the unformatted nickname. Give our
1165 format number to the one that is not formatted now. */
1166 if (unformatted && client_entry == conn->local_entry)
1167 client_entry = unformatted;
1169 silc_free(client_entry->nickname);
1170 client_entry->nickname = newnick;