5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 2001 - 2006 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.
22 #include "silcclient.h"
23 #include "client_internal.h"
25 /************************ Client Searching Locally **************************/
27 /* Finds entry for client by the client's ID. Returns the entry or NULL
28 if the entry was not found. */
30 SilcClientEntry silc_client_get_client_by_id(SilcClient client,
31 SilcClientConnection conn,
32 SilcClientID *client_id)
34 SilcIDCacheEntry id_cache;
35 SilcClientEntry client_entry;
37 if (!client || !conn || !client_id)
40 SILC_LOG_DEBUG(("Finding client by ID (%s)",
41 silc_id_render(client_id, SILC_ID_CLIENT)));
43 silc_mutex_lock(conn->internal->lock);
45 /* Find ID from cache */
46 if (!silc_idcache_find_by_id_one(conn->internal->client_cache, client_id,
48 silc_mutex_unlock(conn->internal->lock);
52 client_entry = id_cache->context;
55 silc_client_ref_client(client, conn, client_entry);
56 silc_mutex_unlock(conn->internal->lock);
58 SILC_LOG_DEBUG(("Found"));
63 /* Finds clients by nickname from local cache. */
65 SilcDList silc_client_get_clients_local(SilcClient client,
66 SilcClientConnection conn,
70 SilcIDCacheEntry id_cache;
73 SilcClientEntry entry;
76 if (!client || !conn || !nickname)
79 SILC_LOG_DEBUG(("Find clients by nickname %s", nickname));
81 /* Normalize nickname for search */
82 nicknamec = silc_identifier_check(nickname, strlen(nickname),
83 SILC_STRING_UTF8, 128, NULL);
87 clients = silc_dlist_init();
93 silc_mutex_lock(conn->internal->lock);
96 silc_list_init(list, struct SilcIDCacheEntryStruct, next);
97 if (!silc_idcache_find_by_name(conn->internal->client_cache, nicknamec,
99 silc_mutex_unlock(conn->internal->lock);
100 silc_free(nicknamec);
101 silc_dlist_uninit(clients);
106 /* Take all without any further checking */
107 silc_list_start(list);
108 while ((id_cache = silc_list_get(list))) {
109 silc_client_ref_client(client, conn, id_cache->context);
110 silc_dlist_add(clients, id_cache->context);
113 /* Check multiple cache entries for exact match */
114 silc_list_start(list);
115 while ((id_cache = silc_list_get(list))) {
116 entry = id_cache->context;
117 if (silc_utf8_strcasecmp(entry->nickname, format)) {
118 silc_client_ref_client(client, conn, entry);
119 silc_dlist_add(clients, entry);
124 silc_mutex_unlock(conn->internal->lock);
126 silc_dlist_start(clients);
128 silc_free(nicknamec);
132 /********************** Client Resolving from Server ************************/
134 /* Resolving context */
137 SilcGetClientCallback completion;
139 } *SilcClientGetClientInternal;
141 /* Resolving command callback */
143 static SilcBool silc_client_get_clients_cb(SilcClient client,
144 SilcClientConnection conn,
151 SilcClientGetClientInternal i = context;
152 SilcClientEntry client_entry;
154 if (error != SILC_STATUS_OK) {
155 SILC_LOG_DEBUG(("Resolving failed: %s", silc_get_status_message(error)));
157 i->completion(client, conn, error, NULL, i->context);
161 /* Add the returned client to list */
163 client_entry = va_arg(ap, SilcClientEntry);
164 silc_client_ref_client(client, conn, client_entry);
165 silc_dlist_add(i->clients, client_entry);
166 client_entry->internal.resolve_cmd_ident = 0;
169 if (status == SILC_STATUS_OK || status == SILC_STATUS_LIST_END) {
170 /* Deliver the clients to the caller */
172 SILC_LOG_DEBUG(("Resolved %d clients", silc_dlist_count(i->clients)));
173 silc_dlist_start(i->clients);
174 i->completion(client, conn, SILC_STATUS_OK, i->clients, i->context);
182 silc_client_list_free(client, conn, i->clients);
187 /* Resolves client information from server by the client ID. */
190 silc_client_get_client_by_id_resolve(SilcClient client,
191 SilcClientConnection conn,
192 SilcClientID *client_id,
193 SilcBuffer attributes,
194 SilcGetClientCallback completion,
197 SilcClientGetClientInternal i;
198 SilcClientEntry client_entry;
200 SilcUInt16 cmd_ident;
202 if (!client || !conn | !client_id)
205 SILC_LOG_DEBUG(("Resolve client by ID (%s)",
206 silc_id_render(client_id, SILC_ID_CLIENT)));
208 i = silc_calloc(1, sizeof(*i));
211 i->completion = completion;
212 i->context = context;
213 i->clients = silc_dlist_init();
219 /* Attach to resolving, if on going */
220 client_entry = silc_client_get_client_by_id(client, conn, client_id);
221 if (client_entry && client_entry->internal.resolve_cmd_ident) {
222 SILC_LOG_DEBUG(("Attach to existing resolving"));
223 silc_client_unref_client(client, conn, client_entry);
224 silc_client_command_pending(conn, SILC_COMMAND_NONE,
225 client_entry->internal.resolve_cmd_ident,
226 silc_client_get_clients_cb, i);
227 return client_entry->internal.resolve_cmd_ident;
230 /* Send the command */
231 idp = silc_id_payload_encode(client_id, SILC_ID_CLIENT);
232 cmd_ident = silc_client_command_send(client, conn, SILC_COMMAND_WHOIS,
233 silc_client_get_clients_cb, i,
234 2, 3, silc_buffer_datalen(attributes),
235 4, silc_buffer_datalen(idp));
236 if (!cmd_ident && completion)
237 completion(client, conn, SILC_STATUS_ERR_RESOURCE_LIMIT, NULL, context);
239 if (client_entry && cmd_ident)
240 client_entry->internal.resolve_cmd_ident = cmd_ident;
242 silc_client_unref_client(client, conn, client_entry);
243 silc_buffer_free(idp);
248 /* Finds client entry or entries by the `nickname' and `server'. The
249 completion callback will be called when the client entries has been
250 found. Used internally by the library. */
252 static SilcUInt16 silc_client_get_clients_i(SilcClient client,
253 SilcClientConnection conn,
255 const char *nickname,
257 SilcBuffer attributes,
258 SilcGetClientCallback completion,
261 SilcClientGetClientInternal i;
262 char userhost[768 + 1];
265 SILC_LOG_DEBUG(("Resolve client by %s command",
266 silc_get_command_name(command)));
268 if (!client || !conn)
270 if (!nickname && !attributes)
273 i = silc_calloc(1, sizeof(*i));
276 i->clients = silc_dlist_init();
281 i->completion = completion;
282 i->context = context;
284 memset(userhost, 0, sizeof(userhost));
285 if (nickname && server) {
286 len = strlen(nickname) + strlen(server) + 3;
287 silc_strncat(userhost, len, nickname, strlen(nickname));
288 silc_strncat(userhost, len, "@", 1);
289 silc_strncat(userhost, len, server, strlen(server));
290 } else if (nickname) {
291 silc_strncat(userhost, sizeof(userhost) - 1, nickname, strlen(nickname));
294 /* Send the command */
295 if (command == SILC_COMMAND_IDENTIFY)
296 return silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
297 silc_client_get_clients_cb, i,
298 1, 1, userhost, strlen(userhost));
299 return silc_client_command_send(client, conn, SILC_COMMAND_WHOIS,
300 silc_client_get_clients_cb, i,
301 2, 1, userhost, strlen(userhost),
302 3, silc_buffer_datalen(attributes));
305 /* Get clients from server with IDENTIFY command */
307 SilcUInt16 silc_client_get_clients(SilcClient client,
308 SilcClientConnection conn,
309 const char *nickname,
311 SilcGetClientCallback completion,
314 return silc_client_get_clients_i(client, conn, SILC_COMMAND_IDENTIFY,
315 nickname, server, NULL,
316 completion, context);
319 /* Get clients from server with WHOIS command */
321 SilcUInt16 silc_client_get_clients_whois(SilcClient client,
322 SilcClientConnection conn,
323 const char *nickname,
325 SilcBuffer attributes,
326 SilcGetClientCallback completion,
329 return silc_client_get_clients_i(client, conn, SILC_COMMAND_WHOIS,
330 nickname, server, attributes,
331 completion, context);
334 /* ID list resolving context */
336 SilcGetClientCallback completion;
338 SilcBuffer client_id_list;
339 SilcUInt32 list_count;
340 } *GetClientsByListInternal;
342 static SilcBool silc_client_get_clients_list_cb(SilcClient client,
343 SilcClientConnection conn,
350 GetClientsByListInternal i = context;
351 SilcClientEntry client_entry;
357 /* Process the list after all replies have been received */
358 if (status != SILC_STATUS_OK && !SILC_STATUS_IS_ERROR(status) &&
359 status != SILC_STATUS_LIST_END)
362 SILC_LOG_DEBUG(("Resolved all clients"));
364 clients = silc_dlist_init();
366 status = SILC_STATUS_ERR_RESOURCE_LIMIT;
370 for (c = 0; c < i->list_count; c++) {
372 SILC_GET16_MSB(idp_len, i->client_id_list->data + 2);
374 if (!silc_id_payload_parse_id(i->client_id_list->data, idp_len, &id)) {
375 status = SILC_STATUS_ERR_BAD_CLIENT_ID;
379 /* Get client entry */
380 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
382 silc_dlist_add(clients, client_entry);
384 if (!silc_buffer_pull(i->client_id_list, idp_len)) {
385 status = SILC_STATUS_ERR_BAD_CLIENT_ID;
390 silc_dlist_start(clients);
391 status = SILC_STATUS_OK;
393 i->completion(client, conn, status, clients, i->context);
396 if (status != SILC_STATUS_OK && i->completion)
397 i->completion(client, conn, status, NULL, i->context);
399 silc_client_list_free(client, conn, clients);
400 silc_buffer_free(i->client_id_list);
406 /* Gets client entries by the list of client ID's `client_id_list'. This
407 always resolves those client ID's it does not know yet from the server
408 so this function might take a while. The `client_id_list' is a list
409 of ID Payloads added one after other. JOIN command reply and USERS
410 command reply for example returns this sort of list. The `completion'
411 will be called after the entries are available. */
413 SilcUInt16 silc_client_get_clients_by_list(SilcClient client,
414 SilcClientConnection conn,
415 SilcUInt32 list_count,
416 SilcBuffer client_id_list,
417 SilcGetClientCallback completion,
420 GetClientsByListInternal in;
421 SilcClientEntry entry;
422 unsigned char **res_argv = NULL;
423 SilcUInt32 *res_argv_lens = NULL, *res_argv_types = NULL, res_argc = 0;
424 SilcUInt16 idp_len, cmd_ident;
428 SILC_LOG_DEBUG(("Resolve clients from Client ID list"));
430 if (!client || !conn || !client_id_list)
433 in = silc_calloc(1, sizeof(*in));
436 in->completion = completion;
437 in->context = context;
438 in->list_count = list_count;
439 in->client_id_list = silc_buffer_copy(client_id_list);
440 if (!in->client_id_list)
443 for (i = 0; i < list_count; i++) {
445 SILC_GET16_MSB(idp_len, client_id_list->data + 2);
447 if (!silc_id_payload_parse_id(client_id_list->data, idp_len, &id))
450 /* Check if we have this client cached already. If we don't have the
451 entry or it has incomplete info, then resolve it from the server. */
452 entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
453 if (!entry || !entry->nickname[0] || !entry->username[0] ||
456 res_argv = silc_calloc(list_count, sizeof(*res_argv));
457 res_argv_lens = silc_calloc(list_count, sizeof(*res_argv_lens));
458 res_argv_types = silc_calloc(list_count, sizeof(*res_argv_types));
459 if (!res_argv || !res_argv_lens || !res_argv_types) {
460 silc_client_unref_client(client, conn, entry);
465 res_argv[res_argc] = client_id_list->data;
466 res_argv_lens[res_argc] = idp_len;
467 res_argv_types[res_argc] = res_argc + 4;
470 silc_client_unref_client(client, conn, entry);
472 if (!silc_buffer_pull(client_id_list, idp_len))
475 silc_buffer_start(client_id_list);
477 /* Query the unknown client information from server */
479 cmd_ident = silc_client_command_send_argv(client,
480 conn, SILC_COMMAND_WHOIS,
481 silc_client_get_clients_list_cb,
482 in, res_argc, res_argv,
486 silc_free(res_argv_lens);
487 silc_free(res_argv_types);
491 /* We have the clients in cache, get them and call the completion */
492 silc_client_get_clients_list_cb(client, conn, SILC_COMMAND_WHOIS,
493 SILC_STATUS_OK, SILC_STATUS_OK, in, NULL);
497 silc_buffer_free(in->client_id_list);
500 silc_free(res_argv_lens);
501 silc_free(res_argv_types);
508 SilcClientConnection conn;
509 SilcChannelID channel_id;
510 SilcGetClientCallback completion;
513 } *GetClientsByChannelInternal;
515 SILC_CLIENT_CMD_FUNC(get_clients_by_channel_cb)
517 GetClientsByChannelInternal i = context;
518 SilcClientEntry *clients = NULL;
519 SilcUInt32 clients_count = 0;
520 SilcBool found = FALSE;
521 SilcChannelEntry channel;
522 SilcHashTableList htl;
531 channel = silc_client_get_channel_by_id(i->client, i->conn, &i->channel_id);
532 if (channel && !silc_hash_table_count(channel->user_list)) {
533 clients = silc_calloc(silc_hash_table_count(channel->user_list),
535 silc_hash_table_list(channel->user_list, &htl);
536 while (silc_hash_table_get(&htl, NULL, (void *)&chu))
537 clients[clients_count++] = chu->client;
538 silc_hash_table_list_reset(&htl);
543 i->completion(i->client, i->conn, clients, clients_count, i->context);
546 i->completion(i->client, i->conn, NULL, 0, i->context);
552 /* Gets client entries by the channel entry indicated by `channel'. Thus,
553 it resolves the clients currently on that channel. */
555 void silc_client_get_clients_by_channel(SilcClient client,
556 SilcClientConnection conn,
557 SilcChannelEntry channel,
558 SilcGetClientCallback completion,
561 GetClientsByChannelInternal in;
562 SilcHashTableList htl;
564 SilcClientEntry entry;
565 unsigned char **res_argv = NULL;
566 SilcUInt32 *res_argv_lens = NULL, *res_argv_types = NULL, res_argc = 0;
568 SilcBool wait_res = FALSE;
570 assert(client && conn && channel);
572 SILC_LOG_DEBUG(("Start"));
574 in = silc_calloc(1, sizeof(*in));
577 in->channel_id = *channel->id;
578 in->completion = completion;
579 in->context = context;
581 /* If user list does not exist, send USERS command. */
582 if (!channel->user_list || !silc_hash_table_count(channel->user_list)) {
583 SILC_LOG_DEBUG(("Sending USERS"));
584 silc_client_command_register(client, SILC_COMMAND_USERS, NULL, NULL,
585 silc_client_command_reply_users_i, 0,
587 silc_client_command_send(client, conn, SILC_COMMAND_USERS,
588 conn->cmd_ident, 1, 2, channel->channel_name,
589 strlen(channel->channel_name));
590 silc_client_command_pending(conn, SILC_COMMAND_USERS, conn->cmd_ident,
591 silc_client_command_get_clients_by_channel_cb,
596 silc_hash_table_list(channel->user_list, &htl);
597 while (silc_hash_table_get(&htl, NULL, (void *)&chu)) {
600 /* If the entry has incomplete info, then resolve it from the server. */
601 if (!entry->nickname[0] || !entry->realname) {
602 if (entry->status & SILC_CLIENT_STATUS_RESOLVING) {
603 /* Attach to this resolving and wait until it finishes */
604 silc_client_command_pending(
605 conn, SILC_COMMAND_NONE,
606 entry->resolve_cmd_ident,
607 silc_client_command_get_clients_by_channel_cb,
613 entry->status |= SILC_CLIENT_STATUS_RESOLVING;
614 entry->resolve_cmd_ident = conn->cmd_ident + 1;
616 idp = silc_id_payload_encode(entry->id, SILC_ID_CLIENT);
618 /* No we don't have it, query it from the server. Assemble argument
619 table that will be sent for the WHOIS command later. */
620 res_argv = silc_realloc(res_argv, sizeof(*res_argv) *
622 res_argv_lens = silc_realloc(res_argv_lens, sizeof(*res_argv_lens) *
624 res_argv_types = silc_realloc(res_argv_types, sizeof(*res_argv_types) *
626 res_argv[res_argc] = silc_memdup(idp->data, idp->len);
627 res_argv_lens[res_argc] = idp->len;
628 res_argv_types[res_argc] = res_argc + 4;
631 silc_buffer_free(idp);
634 silc_hash_table_list_reset(&htl);
636 /* Query the client information from server if the list included clients
637 that we don't know about. */
641 /* Send the WHOIS command to server */
642 res_cmd = silc_command_payload_encode(SILC_COMMAND_WHOIS,
643 res_argc, res_argv, res_argv_lens,
644 res_argv_types, ++conn->cmd_ident);
645 silc_client_packet_send(client, conn->sock, SILC_PACKET_COMMAND,
646 NULL, 0, NULL, NULL, res_cmd->data, res_cmd->len,
649 /* Register our own command reply for this command */
650 silc_client_command_register(client, SILC_COMMAND_WHOIS, NULL, NULL,
651 silc_client_command_reply_whois_i, 0,
654 /* Process the applications request after reply has been received */
655 silc_client_command_pending(
656 conn, SILC_COMMAND_WHOIS, conn->cmd_ident,
657 silc_client_command_get_clients_by_channel_cb,
661 silc_buffer_free(res_cmd);
663 silc_free(res_argv_lens);
664 silc_free(res_argv_types);
671 /* We have the clients in cache, get them and call the completion */
672 silc_client_command_get_clients_by_channel_cb((void *)in, NULL);
677 /************************** Client Entry Routines ***************************/
679 /* Creates new client entry and adds it to the ID cache. Returns pointer
682 SilcClientEntry silc_client_add_client(SilcClient client,
683 SilcClientConnection conn,
684 char *nickname, char *username,
685 char *userinfo, SilcClientID *id,
688 SilcClientEntry client_entry;
691 SILC_LOG_DEBUG(("Adding new client entry"));
693 /* Save the client infos */
694 client_entry = silc_calloc(1, sizeof(*client_entry));
698 silc_atomic_init8(&client_entry->internal.refcnt, 0);
699 client_entry->id = *id;
700 client_entry->internal.valid = TRUE;
701 client_entry->mode = mode;
702 client_entry->realname = userinfo ? strdup(userinfo) : NULL;
703 silc_parse_userfqdn(nickname, client_entry->nickname,
704 sizeof(client_entry->nickname),
705 client_entry->server,
706 sizeof(client_entry->server));
707 silc_parse_userfqdn(username, client_entry->username,
708 sizeof(client_entry->username),
709 client_entry->hostname,
710 sizeof(client_entry->hostname));
711 client_entry->channels = silc_hash_table_alloc(1, silc_hash_ptr, NULL, NULL,
712 NULL, NULL, NULL, TRUE);
713 if (!client_entry->channels) {
714 silc_free(client_entry->realname);
715 silc_free(client_entry);
719 /* Normalize nickname */
720 if (client_entry->nickname[0]) {
721 nick = silc_identifier_check(client_entry->nickname,
722 strlen(client_entry->nickname),
723 SILC_STRING_UTF8, 128, NULL);
725 silc_free(client_entry->realname);
726 silc_hash_table_free(client_entry->channels);
727 silc_free(client_entry);
732 /* Format the nickname */
733 silc_client_nickname_format(client, conn, client_entry);
735 silc_mutex_lock(conn->internal->lock);
737 /* Add client to cache, the normalized nickname is saved to cache */
738 if (!silc_idcache_add(conn->internal->client_cache, nick,
739 &client_entry->id, client_entry)) {
741 silc_free(client_entry->realname);
742 silc_hash_table_free(client_entry->channels);
743 silc_free(client_entry);
744 silc_mutex_unlock(conn->internal->lock);
748 client_entry->nickname_normalized = nick;
750 silc_mutex_unlock(conn->internal->lock);
751 silc_client_ref_client(client, conn, client_entry);
753 SILC_LOG_DEBUG(("Added %p", client_entry));
758 /* Updates the `client_entry' with the new information sent as argument. */
760 void silc_client_update_client(SilcClient client,
761 SilcClientConnection conn,
762 SilcClientEntry client_entry,
763 const char *nickname,
764 const char *username,
765 const char *userinfo,
770 SILC_LOG_DEBUG(("Update client entry"));
772 if (!client_entry->realname && userinfo)
773 client_entry->realname = strdup(userinfo);
774 if ((!client_entry->username[0] || !client_entry->hostname[0]) && username)
775 silc_parse_userfqdn(username, client_entry->username,
776 sizeof(client_entry->username),
777 client_entry->hostname,
778 sizeof(client_entry->username));
779 if (!client_entry->nickname[0] && nickname) {
780 silc_parse_userfqdn(nickname, client_entry->nickname,
781 sizeof(client_entry->nickname),
782 client_entry->server,
783 sizeof(client_entry->server));
785 /* Normalize nickname */
786 nick = silc_identifier_check(client_entry->nickname,
787 strlen(client_entry->nickname),
788 SILC_STRING_UTF8, 128, NULL);
792 /* Format nickname */
793 silc_client_nickname_format(client, conn, client_entry);
795 /* Update cache entry */
796 silc_mutex_lock(conn->internal->lock);
797 silc_idcache_update_by_context(conn->internal->client_cache,
798 client_entry, NULL, nick, TRUE);
799 silc_mutex_unlock(conn->internal->lock);
800 client_entry->nickname_normalized = nick;
802 client_entry->mode = mode;
805 /* Deletes the client entry and frees all memory. */
807 void silc_client_del_client_entry(SilcClient client,
808 SilcClientConnection conn,
809 SilcClientEntry client_entry)
811 silc_free(client_entry->realname);
812 silc_free(client_entry->nickname_normalized);
813 silc_free(client_entry->internal.key);
814 if (client_entry->public_key)
815 silc_pkcs_public_key_free(client_entry->public_key);
816 silc_hash_table_free(client_entry->channels);
817 if (client_entry->internal.send_key)
818 silc_cipher_free(client_entry->internal.send_key);
819 if (client_entry->internal.receive_key)
820 silc_cipher_free(client_entry->internal.receive_key);
821 if (client_entry->internal.hmac_send)
822 silc_hmac_free(client_entry->internal.hmac_send);
823 if (client_entry->internal.hmac_receive)
824 silc_hmac_free(client_entry->internal.hmac_receive);
826 silc_client_ftp_session_free_client(conn, client_entry);
827 if (client_entry->internal->ke)
828 silc_client_abort_key_agreement(client, conn, client_entry);
830 silc_atomic_uninit8(&client_entry->internal.refcnt);
831 silc_free(client_entry);
834 /* Removes client from the cache by the client entry. */
836 SilcBool silc_client_del_client(SilcClient client, SilcClientConnection conn,
837 SilcClientEntry client_entry)
844 if (silc_atomic_sub_int8(&client_entry->internal.refcnt, 1) > 0)
847 SILC_LOG_DEBUG(("Deleting client %p", client_entry));
849 silc_mutex_lock(conn->internal->lock);
850 ret = silc_idcache_del_by_context(conn->internal->client_cache,
852 silc_mutex_unlock(conn->internal->lock);
855 /* Remove from channels */
856 silc_client_remove_from_channels(client, conn, client_entry);
858 /* Free the client entry data */
859 silc_client_del_client_entry(client, conn, client_entry);
865 /* Take reference of client entry */
867 void silc_client_ref_client(SilcClient client, SilcClientConnection conn,
868 SilcClientEntry client_entry)
870 silc_atomic_add_int8(&client_entry->internal.refcnt, 1);
871 SILC_LOG_DEBUG(("Client %p refcnt %d->%d", client_entry,
872 silc_atomic_get_int8(&client_entry->internal.refcnt) - 1,
873 silc_atomic_get_int8(&client_entry->internal.refcnt)));
876 /* Release reference of client entry */
878 void silc_client_unref_client(SilcClient client, SilcClientConnection conn,
879 SilcClientEntry client_entry)
882 SILC_LOG_DEBUG(("Client %p refcnt %d->%d", client_entry,
883 silc_atomic_get_int8(&client_entry->internal.refcnt),
884 silc_atomic_get_int8(&client_entry->internal.refcnt) - 1));
885 silc_client_del_client(client, conn, client_entry);
889 /* Free client entry list */
891 void silc_client_list_free(SilcClient client, SilcClientConnection conn,
892 SilcDList client_list)
894 SilcClientEntry client_entry;
897 silc_dlist_start(client_list);
898 while ((client_entry = silc_dlist_get(client_list)))
899 silc_client_unref_client(client, conn, client_entry);
901 silc_dlist_uninit(client_list);
905 /* Formats the nickname of the client specified by the `client_entry'.
906 If the format is specified by the application this will format the
907 nickname and replace the old nickname in the client entry. If the
908 format string is not specified then this function has no effect. */
910 void silc_client_nickname_format(SilcClient client,
911 SilcClientConnection conn,
912 SilcClientEntry client_entry)
915 char newnick[128 + 1];
919 SilcClientEntry entry, unformatted = NULL;
921 SILC_LOG_DEBUG(("Start"));
923 if (!client->internal->params->nickname_format[0])
926 if (!client_entry->nickname[0])
929 /* Get all clients with same nickname. Do not perform the formatting
930 if there aren't any clients with same nickname unless the application
931 is forcing us to do so. */
932 clients = silc_client_get_clients_local(client, conn,
933 client_entry->nickname, NULL);
934 if (!clients && !client->internal->params->nickname_force_format)
939 while ((entry = silc_dlist_get(clients))) {
940 if (entry->internal.valid && entry != client_entry)
942 if (entry->internal.valid && entry != client_entry &&
943 silc_utf8_strcasecmp(entry->nickname, client_entry->nickname)) {
948 if (!len || freebase)
951 /* If we are changing nickname of our local entry we'll enforce
952 that we will always get the unformatted nickname. Give our
953 format number to the one that is not formatted now. */
954 if (unformatted && client_entry == conn->local_entry)
955 client_entry = unformatted;
957 memset(newnick, 0, sizeof(newnick));
958 cp = client->internal->params->nickname_format;
968 if (!client_entry->nickname[0])
970 len = strlen(client_entry->nickname);
971 memcpy(&newnick[off], client_entry->nickname, len);
975 /* Stripped hostname */
976 if (!client_entry->hostname[0])
978 len = strcspn(client_entry->hostname, ".");
979 i = strcspn(client_entry->hostname, "-");
982 memcpy(&newnick[off], client_entry->hostname, len);
987 if (!client_entry->hostname[0])
989 len = strlen(client_entry->hostname);
990 memcpy(&newnick[off], client_entry->hostname, len);
994 /* Stripped server name */
995 if (!client_entry->server)
997 len = strcspn(client_entry->server, ".");
998 memcpy(&newnick[off], client_entry->server, len);
1002 /* Full server name */
1003 if (!client_entry->server)
1005 len = strlen(client_entry->server);
1006 memcpy(&newnick[off], client_entry->server, len);
1010 /* Ascending number */
1015 if (silc_dlist_count(clients) == 1)
1018 silc_dlist_start(clients);
1019 while ((entry = silc_dlist_get(clients))) {
1020 if (!silc_utf8_strncasecmp(entry->nickname, newnick, off))
1022 if (strlen(entry->nickname) <= off)
1024 num = atoi(&entry->nickname[off]);
1029 memset(tmp, 0, sizeof(tmp));
1030 snprintf(tmp, sizeof(tmp) - 1, "%d", ++max);
1032 memcpy(&newnick[off], tmp, len);
1037 /* Some other character in the string */
1038 memcpy(&newnick[off], cp, 1);
1047 memcpy(client_entry->nickname, newnick, strlen(newnick));
1048 silc_client_list_free(client, conn, clients);
1051 /************************ Channel Searching Locally *************************/
1053 /* Finds entry for channel by the channel name. Returns the entry or NULL
1054 if the entry was not found. It is found only if the client is joined
1057 SilcChannelEntry silc_client_get_channel(SilcClient client,
1058 SilcClientConnection conn,
1061 SilcIDCacheEntry id_cache;
1062 SilcChannelEntry entry;
1064 if (!client || !conn || !channel)
1067 SILC_LOG_DEBUG(("Find channel %s", channel));
1069 /* Normalize name for search */
1070 channel = silc_channel_name_check(channel, strlen(channel), SILC_STRING_UTF8,
1075 silc_mutex_lock(conn->internal->lock);
1077 if (!silc_idcache_find_by_name_one(conn->internal->channel_cache, channel,
1079 silc_mutex_unlock(conn->internal->lock);
1084 SILC_LOG_DEBUG(("Found"));
1086 entry = id_cache->context;
1089 silc_client_ref_channel(client, conn, entry);
1090 silc_mutex_unlock(conn->internal->lock);
1097 /* Finds entry for channel by the channel ID. Returns the entry or NULL
1098 if the entry was not found. It is found only if the client is joined
1101 SilcChannelEntry silc_client_get_channel_by_id(SilcClient client,
1102 SilcClientConnection conn,
1103 SilcChannelID *channel_id)
1105 SilcIDCacheEntry id_cache;
1106 SilcChannelEntry entry;
1108 if (!client || !conn || !channel_id)
1111 SILC_LOG_DEBUG(("Find channel by id %s",
1112 silc_id_render(channel_id, SILC_ID_CHANNEL)));
1114 silc_mutex_lock(conn->internal->lock);
1116 if (!silc_idcache_find_by_id_one(conn->internal->channel_cache, channel_id,
1118 silc_mutex_unlock(conn->internal->lock);
1122 SILC_LOG_DEBUG(("Found"));
1124 entry = id_cache->context;
1127 silc_client_ref_channel(client, conn, entry);
1128 silc_mutex_unlock(conn->internal->lock);
1133 /********************** Channel Resolving from Server ***********************/
1135 /* Channel resolving context */
1138 SilcGetChannelCallback completion;
1140 } *SilcClientGetChannelInternal;
1142 /* Resolving command callback */
1144 static SilcBool silc_client_get_channel_cb(SilcClient client,
1145 SilcClientConnection conn,
1146 SilcCommand command,
1152 SilcClientGetChannelInternal i = context;
1153 SilcChannelEntry entry;
1155 if (error != SILC_STATUS_OK) {
1156 SILC_LOG_DEBUG(("Resolving failed: %s", silc_get_status_message(error)));
1158 i->completion(client, conn, error, NULL, i->context);
1162 /* Add the returned channel to list */
1163 if (i->completion) {
1164 entry = va_arg(ap, SilcChannelEntry);
1165 silc_client_ref_channel(client, conn, entry);
1166 silc_dlist_add(i->channels, entry);
1169 if (status == SILC_STATUS_OK || status == SILC_STATUS_LIST_END) {
1170 /* Deliver the channels to the caller */
1171 if (i->completion) {
1172 SILC_LOG_DEBUG(("Resolved %d channels", silc_dlist_count(i->channels)));
1173 silc_dlist_start(i->channels);
1174 i->completion(client, conn, SILC_STATUS_OK, i->channels, i->context);
1182 silc_client_list_free_channels(client, conn, i->channels);
1187 /* Resolves channel entry from the server by the channel name. */
1189 void silc_client_get_channel_resolve(SilcClient client,
1190 SilcClientConnection conn,
1192 SilcGetChannelCallback completion,
1195 SilcClientGetChannelInternal i;
1197 if (!client || !conn || !channel_name || !completion)
1200 SILC_LOG_DEBUG(("Resolve channel %s", channel_name));
1202 i = silc_calloc(1, sizeof(*i));
1205 i->completion = completion;
1206 i->context = context;
1207 i->channels = silc_dlist_init();
1213 /* Send the command */
1214 if (!silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
1215 silc_client_get_channel_cb, i, 1,
1216 3, channel_name, strlen(channel_name))) {
1218 completion(client, conn, SILC_STATUS_ERR_RESOURCE_LIMIT, NULL, context);
1222 /* Resolves channel information from the server by the channel ID. */
1225 silc_client_get_channel_by_id_resolve(SilcClient client,
1226 SilcClientConnection conn,
1227 SilcChannelID *channel_id,
1228 SilcGetChannelCallback completion,
1231 SilcClientGetChannelInternal i;
1233 SilcUInt16 cmd_ident;
1235 if (!client || !conn || !channel_id || !completion)
1238 SILC_LOG_DEBUG(("Resolve channel by id %s",
1239 silc_id_render(channel_id, SILC_ID_CHANNEL)));
1241 i = silc_calloc(1, sizeof(*i));
1244 i->completion = completion;
1245 i->context = context;
1246 i->channels = silc_dlist_init();
1252 /* Send the command */
1253 idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
1254 cmd_ident = silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
1255 silc_client_get_channel_cb, i, 1,
1256 5, silc_buffer_datalen(idp));
1257 silc_buffer_free(idp);
1258 if (!cmd_ident && completion)
1259 completion(client, conn, SILC_STATUS_ERR_RESOURCE_LIMIT, NULL, context);
1264 /************************* Channel Entry Routines ***************************/
1266 /* Add new channel entry to the ID Cache */
1268 SilcChannelEntry silc_client_add_channel(SilcClient client,
1269 SilcClientConnection conn,
1270 const char *channel_name,
1272 SilcChannelID *channel_id)
1274 SilcChannelEntry channel;
1275 char *channel_namec;
1277 SILC_LOG_DEBUG(("Start"));
1279 channel = silc_calloc(1, sizeof(*channel));
1283 silc_atomic_init8(&channel->internal.refcnt, 0);
1284 channel->id = *channel_id;
1285 channel->mode = mode;
1287 channel->channel_name = strdup(channel_name);
1288 if (!channel->channel_name) {
1293 channel->user_list = silc_hash_table_alloc(1, silc_hash_ptr, NULL, NULL,
1294 NULL, NULL, NULL, TRUE);
1295 if (!channel->user_list) {
1296 silc_free(channel->channel_name);
1301 /* Normalize channel name */
1302 channel_namec = silc_channel_name_check(channel_name, strlen(channel_name),
1303 SILC_STRING_UTF8, 256, NULL);
1304 if (!channel_namec) {
1305 silc_free(channel->channel_name);
1306 silc_hash_table_free(channel->user_list);
1311 silc_mutex_lock(conn->internal->lock);
1313 /* Add channel to cache, the normalized channel name is saved to cache */
1314 if (!silc_idcache_add(conn->internal->channel_cache, channel_namec,
1315 &channel->id, channel)) {
1316 silc_free(channel_namec);
1317 silc_free(channel->channel_name);
1318 silc_hash_table_free(channel->user_list);
1320 silc_mutex_unlock(conn->internal->lock);
1324 silc_mutex_unlock(conn->internal->lock);
1325 silc_client_ref_channel(client, conn, channel);
1327 SILC_LOG_DEBUG(("Added %p", channel));
1332 /* Removes channel from the cache by the channel entry. */
1334 SilcBool silc_client_del_channel(SilcClient client, SilcClientConnection conn,
1335 SilcChannelEntry channel)
1344 if (silc_atomic_sub_int8(&channel->internal.refcnt, 1) > 0)
1347 SILC_LOG_DEBUG(("Deleting channel %p", channel));
1349 silc_mutex_lock(conn->internal->lock);
1350 ret = silc_idcache_del_by_context(conn->internal->channel_cache,
1352 silc_mutex_unlock(conn->internal->lock);
1357 silc_client_empty_channel(client, conn, channel);
1358 silc_hash_table_free(channel->user_list);
1359 silc_free(channel->channel_name);
1360 silc_free(channel->topic);
1361 if (channel->founder_key)
1362 silc_pkcs_public_key_free(channel->founder_key);
1363 if (channel->internal.channel_key)
1364 silc_cipher_free(channel->internal.channel_key);
1365 if (channel->internal.hmac)
1366 silc_hmac_free(channel->internal.hmac);
1367 if (channel->internal.old_channel_keys) {
1368 silc_dlist_start(channel->internal.old_channel_keys);
1369 while ((key = silc_dlist_get(channel->internal.old_channel_keys)))
1370 silc_cipher_free(key);
1371 silc_dlist_uninit(channel->internal.old_channel_keys);
1373 if (channel->internal.old_hmacs) {
1374 silc_dlist_start(channel->internal.old_hmacs);
1375 while ((hmac = silc_dlist_get(channel->internal.old_hmacs)))
1376 silc_hmac_free(hmac);
1377 silc_dlist_uninit(channel->internal.old_hmacs);
1379 silc_client_del_channel_private_keys(client, conn, channel);
1380 silc_atomic_uninit8(&channel->internal.refcnt);
1381 silc_schedule_task_del_by_context(conn->client->schedule, channel);
1387 /* Replaces the channel ID of the `channel' to `new_id'. Returns FALSE
1388 if the ID could not be changed. */
1390 SilcBool silc_client_replace_channel_id(SilcClient client,
1391 SilcClientConnection conn,
1392 SilcChannelEntry channel,
1393 SilcChannelID *new_id)
1395 SilcBool ret = FALSE;
1400 SILC_LOG_DEBUG(("Old Channel ID id(%s)",
1401 silc_id_render(&channel->id, SILC_ID_CHANNEL)));
1402 SILC_LOG_DEBUG(("New Channel ID id(%s)",
1403 silc_id_render(new_id, SILC_ID_CHANNEL)));
1406 silc_mutex_lock(conn->internal->lock);
1407 silc_idcache_update_by_context(conn->internal->channel_cache, channel,
1408 new_id, NULL, FALSE);
1409 silc_mutex_unlock(conn->internal->lock);
1414 /* Take reference of channel entry */
1416 void silc_client_ref_channel(SilcClient client, SilcClientConnection conn,
1417 SilcChannelEntry channel_entry)
1419 silc_atomic_add_int8(&channel_entry->internal.refcnt, 1);
1420 SILC_LOG_DEBUG(("Channel %p refcnt %d->%d", channel_entry,
1421 silc_atomic_get_int8(&channel_entry->internal.refcnt) - 1,
1422 silc_atomic_get_int8(&channel_entry->internal.refcnt)));
1425 /* Release reference of channel entry */
1427 void silc_client_unref_channel(SilcClient client, SilcClientConnection conn,
1428 SilcChannelEntry channel_entry)
1430 if (channel_entry) {
1431 SILC_LOG_DEBUG(("Channel %p refcnt %d->%d", channel_entry,
1432 silc_atomic_get_int8(&channel_entry->internal.refcnt),
1433 silc_atomic_get_int8(&channel_entry->internal.refcnt)
1435 silc_client_del_channel(client, conn, channel_entry);
1439 /* Free channel entry list */
1441 void silc_client_list_free_channels(SilcClient client,
1442 SilcClientConnection conn,
1443 SilcDList channel_list)
1445 SilcChannelEntry channel_entry;
1448 silc_dlist_start(channel_list);
1449 while ((channel_entry = silc_dlist_get(channel_list)))
1450 silc_client_unref_channel(client, conn, channel_entry);
1452 silc_dlist_uninit(channel_list);
1456 /************************* Server Searching Locally *************************/
1458 /* Finds entry for server by the server name. */
1460 SilcServerEntry silc_client_get_server(SilcClient client,
1461 SilcClientConnection conn,
1464 SilcIDCacheEntry id_cache;
1465 SilcServerEntry entry;
1467 if (!client || !conn || !server_name)
1470 SILC_LOG_DEBUG(("Find server by name %s", server_name));
1472 /* Normalize server name for search */
1473 server_name = silc_identifier_check(server_name, strlen(server_name),
1474 SILC_STRING_UTF8, 256, NULL);
1478 silc_mutex_lock(conn->internal->lock);
1480 if (!silc_idcache_find_by_name_one(conn->internal->server_cache,
1481 server_name, &id_cache)) {
1482 silc_free(server_name);
1483 silc_mutex_unlock(conn->internal->lock);
1487 SILC_LOG_DEBUG(("Found"));
1490 entry = id_cache->context;
1491 silc_client_ref_server(client, conn, entry);
1493 silc_mutex_unlock(conn->internal->lock);
1495 silc_free(server_name);
1500 /* Finds entry for server by the server ID. */
1502 SilcServerEntry silc_client_get_server_by_id(SilcClient client,
1503 SilcClientConnection conn,
1504 SilcServerID *server_id)
1506 SilcIDCacheEntry id_cache;
1507 SilcServerEntry entry;
1509 if (!client || !conn || !server_id)
1512 SILC_LOG_DEBUG(("Find server by id %s",
1513 silc_id_render(server_id, SILC_ID_SERVER)));
1515 silc_mutex_lock(conn->internal->lock);
1517 if (!silc_idcache_find_by_id_one(conn->internal->server_cache,
1518 server_id, &id_cache)) {
1519 silc_mutex_unlock(conn->internal->lock);
1523 SILC_LOG_DEBUG(("Found"));
1526 entry = id_cache->context;
1527 silc_client_ref_server(client, conn, entry);
1529 silc_mutex_unlock(conn->internal->lock);
1534 /*********************** Server Resolving from Server ***********************/
1536 /* Resolving context */
1539 SilcGetServerCallback completion;
1541 } *SilcClientGetServerInternal;
1543 /* Resolving command callback */
1545 static SilcBool silc_client_get_server_cb(SilcClient client,
1546 SilcClientConnection conn,
1547 SilcCommand command,
1553 SilcClientGetServerInternal i = context;
1554 SilcServerEntry server;
1556 if (error != SILC_STATUS_OK) {
1557 SILC_LOG_DEBUG(("Resolving failed: %s", silc_get_status_message(error)));
1559 i->completion(client, conn, error, NULL, i->context);
1563 /* Add the returned servers to list */
1564 if (i->completion) {
1565 server = va_arg(ap, SilcServerEntry);
1566 silc_client_ref_server(client, conn, server);
1567 silc_dlist_add(i->servers, server);
1568 server->internal.resolve_cmd_ident = 0;
1571 if (status == SILC_STATUS_OK || status == SILC_STATUS_LIST_END) {
1572 /* Deliver the servers to the caller */
1573 if (i->completion) {
1574 SILC_LOG_DEBUG(("Resolved %d servers", silc_dlist_count(i->servers)));
1575 silc_dlist_start(i->servers);
1576 i->completion(client, conn, SILC_STATUS_OK, i->servers, i->context);
1584 silc_client_list_free_servers(client, conn, i->servers);
1589 /* Resolve server by server ID */
1592 silc_client_get_server_by_id_resolve(SilcClient client,
1593 SilcClientConnection conn,
1594 SilcServerID *server_id,
1595 SilcGetServerCallback completion,
1598 SilcClientGetServerInternal i;
1599 SilcServerEntry server;
1601 SilcUInt16 cmd_ident;
1603 if (!client || !conn || !server_id || !completion)
1606 SILC_LOG_DEBUG(("Resolve server by id %s",
1607 silc_id_render(server_id, SILC_ID_SERVER)));
1609 i = silc_calloc(1, sizeof(*i));
1612 i->completion = completion;
1613 i->context = context;
1614 i->servers = silc_dlist_init();
1620 /* Attach to resolving, if on going */
1621 server = silc_client_get_server_by_id(client, conn, server_id);
1622 if (server && server->internal.resolve_cmd_ident) {
1623 SILC_LOG_DEBUG(("Attach to existing resolving"));
1624 silc_client_unref_server(client, conn, server);
1625 silc_client_command_pending(conn, SILC_COMMAND_NONE,
1626 server->internal.resolve_cmd_ident,
1627 silc_client_get_server_cb, i);
1628 return server->internal.resolve_cmd_ident;
1631 /* Send the command */
1632 idp = silc_id_payload_encode(server_id, SILC_ID_SERVER);
1633 cmd_ident = silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
1634 silc_client_get_server_cb, i, 1,
1635 5, silc_buffer_datalen(idp));
1636 silc_buffer_free(idp);
1637 if (!cmd_ident && completion)
1638 completion(client, conn, SILC_STATUS_ERR_RESOURCE_LIMIT, NULL, context);
1640 if (server && cmd_ident)
1641 server->internal.resolve_cmd_ident = cmd_ident;
1643 silc_client_unref_server(client, conn, server);
1648 /************************** Server Entry Routines ***************************/
1650 /* Add new server entry */
1652 SilcServerEntry silc_client_add_server(SilcClient client,
1653 SilcClientConnection conn,
1654 const char *server_name,
1655 const char *server_info,
1656 SilcServerID *server_id)
1658 SilcServerEntry server_entry;
1659 char *server_namec = NULL;
1664 SILC_LOG_DEBUG(("Adding new server %s", server_name));
1666 server_entry = silc_calloc(1, sizeof(*server_entry));
1670 silc_atomic_init8(&server_entry->internal.refcnt, 0);
1671 server_entry->id = *server_id;
1673 server_entry->server_name = strdup(server_name);
1675 server_entry->server_info = strdup(server_info);
1677 /* Normalize server name */
1679 server_namec = silc_identifier_check(server_name, strlen(server_name),
1680 SILC_STRING_UTF8, 256, NULL);
1681 if (!server_namec) {
1682 silc_free(server_entry->server_name);
1683 silc_free(server_entry->server_info);
1684 silc_free(server_entry);
1689 silc_mutex_lock(conn->internal->lock);
1691 /* Add server to cache */
1692 if (!silc_idcache_add(conn->internal->server_cache, server_namec,
1693 &server_entry->id, server_entry)) {
1694 silc_free(server_namec);
1695 silc_free(server_entry->server_name);
1696 silc_free(server_entry->server_info);
1697 silc_free(server_entry);
1698 silc_mutex_unlock(conn->internal->lock);
1702 silc_mutex_unlock(conn->internal->lock);
1703 silc_client_ref_server(client, conn, server_entry);
1705 SILC_LOG_DEBUG(("Added %p", server_entry));
1707 return server_entry;
1710 /* Removes server from the cache by the server entry. */
1712 SilcBool silc_client_del_server(SilcClient client, SilcClientConnection conn,
1713 SilcServerEntry server)
1720 if (silc_atomic_sub_int8(&server->internal.refcnt, 1) > 0)
1723 SILC_LOG_DEBUG(("Deleting server %p", server));
1725 silc_mutex_lock(conn->internal->lock);
1726 ret = silc_idcache_del_by_context(conn->internal->server_cache,
1728 silc_mutex_unlock(conn->internal->lock);
1730 silc_free(server->server_name);
1731 silc_free(server->server_info);
1732 if (server->public_key)
1733 silc_pkcs_public_key_free(server->public_key);
1734 silc_atomic_uninit8(&server->internal.refcnt);
1740 /* Updates the `server_entry' with the new information sent as argument. */
1742 void silc_client_update_server(SilcClient client,
1743 SilcClientConnection conn,
1744 SilcServerEntry server_entry,
1745 const char *server_name,
1746 const char *server_info)
1748 char *server_namec = NULL;
1750 SILC_LOG_DEBUG(("Updating server %p", server_entry));
1753 (!server_entry->server_name ||
1754 !silc_utf8_strcasecmp(server_entry->server_name, server_name))) {
1756 server_namec = silc_identifier_check(server_name, strlen(server_name),
1757 SILC_STRING_UTF8, 256, NULL);
1761 silc_free(server_entry->server_name);
1762 server_entry->server_name = strdup(server_name);
1763 if (!server_entry->server_name)
1766 /* Update cache entry */
1767 silc_mutex_lock(conn->internal->lock);
1768 silc_idcache_update_by_context(conn->internal->server_cache, server_entry,
1769 NULL, server_namec, TRUE);
1770 silc_mutex_unlock(conn->internal->lock);
1774 (!server_entry->server_info ||
1775 !silc_utf8_strcasecmp(server_entry->server_info, server_info))) {
1776 silc_free(server_entry->server_info);
1777 server_entry->server_info = strdup(server_info);
1781 /* Take reference of server entry */
1783 void silc_client_ref_server(SilcClient client, SilcClientConnection conn,
1784 SilcServerEntry server_entry)
1786 silc_atomic_add_int8(&server_entry->internal.refcnt, 1);
1787 SILC_LOG_DEBUG(("Server %p refcnt %d->%d", server_entry,
1788 silc_atomic_get_int8(&server_entry->internal.refcnt) - 1,
1789 silc_atomic_get_int8(&server_entry->internal.refcnt)));
1792 /* Release reference of server entry */
1794 void silc_client_unref_server(SilcClient client, SilcClientConnection conn,
1795 SilcServerEntry server_entry)
1798 SILC_LOG_DEBUG(("Server %p refcnt %d->%d", server_entry,
1799 silc_atomic_get_int8(&server_entry->internal.refcnt),
1800 silc_atomic_get_int8(&server_entry->internal.refcnt)
1802 silc_client_del_server(client, conn, server_entry);
1806 /* Free server entry list */
1808 void silc_client_list_free_servers(SilcClient client,
1809 SilcClientConnection conn,
1810 SilcDList server_list)
1812 SilcServerEntry server_entry;
1815 silc_dlist_start(server_list);
1816 while ((server_entry = silc_dlist_get(server_list)))
1817 silc_client_unref_server(client, conn, server_entry);
1819 silc_dlist_uninit(server_list);