5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 1997 - 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; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
22 #include "serverincludes.h"
23 #include "server_internal.h"
24 #include "command_reply.h"
26 /* All functions that call the COMMAND_CHECK_STATUS macros must have
27 out: and err: goto labels. */
29 #define COMMAND_CHECK_STATUS \
31 SILC_LOG_DEBUG(("Start")); \
32 if (!silc_command_get_status(cmd->payload, &status, &error)) { \
33 if (SILC_STATUS_IS_ERROR(status)) \
35 if (status == SILC_STATUS_LIST_END) \
41 /* Server command reply list. Not all commands have reply function as
42 they are never sent by server. More maybe added later if need appears. */
43 SilcServerCommandReply silc_command_reply_list[] =
45 SILC_SERVER_CMD_REPLY(whois, WHOIS),
46 SILC_SERVER_CMD_REPLY(whowas, WHOWAS),
47 SILC_SERVER_CMD_REPLY(identify, IDENTIFY),
48 SILC_SERVER_CMD_REPLY(info, INFO),
49 SILC_SERVER_CMD_REPLY(motd, MOTD),
50 SILC_SERVER_CMD_REPLY(join, JOIN),
51 SILC_SERVER_CMD_REPLY(stats, STATS),
52 SILC_SERVER_CMD_REPLY(users, USERS),
53 SILC_SERVER_CMD_REPLY(getkey, GETKEY),
54 SILC_SERVER_CMD_REPLY(list, LIST),
59 /* Process received command reply. */
61 void silc_server_command_reply_process(SilcServer server,
62 SilcSocketConnection sock,
65 SilcServerCommandReply *cmd;
66 SilcServerCommandReplyContext ctx;
67 SilcCommandPayload payload;
71 SILC_LOG_DEBUG(("Start"));
73 /* Get command reply payload from packet */
74 payload = silc_command_payload_parse(buffer->data, buffer->len);
76 /* Silently ignore bad reply packet */
77 SILC_LOG_DEBUG(("Bad command reply packet"));
81 /* Allocate command reply context. This must be free'd by the
82 command reply routine receiving it. */
83 ctx = silc_calloc(1, sizeof(*ctx));
85 ctx->sock = silc_socket_dup(sock);
86 ctx->payload = payload;
87 ctx->args = silc_command_get_args(ctx->payload);
88 ident = silc_command_get_ident(ctx->payload);
90 /* Check for pending commands and mark to be exeucted */
92 silc_server_command_pending_check(server, ctx,
93 silc_command_get(ctx->payload),
94 ident, &ctx->callbacks_count);
96 /* Execute command reply */
97 command = silc_command_get(ctx->payload);
98 for (cmd = silc_command_reply_list; cmd->cb; cmd++)
99 if (cmd->cmd == command)
102 if (cmd == NULL || !cmd->cb) {
103 silc_server_command_reply_free(ctx);
110 /* Free command reply context and its internals. */
112 void silc_server_command_reply_free(SilcServerCommandReplyContext cmd)
115 silc_command_payload_free(cmd->payload);
117 silc_socket_free(cmd->sock); /* Decrease the reference counter */
118 silc_free(cmd->callbacks);
124 silc_server_command_process_error(SilcServerCommandReplyContext cmd,
127 SilcServer server = cmd->server;
129 /* If we received notify for invalid ID we'll remove the ID if we
131 if (error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID &&
132 cmd->sock->type == SILC_SOCKET_TYPE_ROUTER) {
133 SilcClientEntry client;
135 unsigned char *tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
137 SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
139 SILC_LOG_DEBUG(("Received invalid client ID notification, deleting "
140 "the entry from cache"));
141 client = silc_idlist_find_client_by_id(server->global_list,
142 client_id, FALSE, NULL);
144 silc_server_remove_from_channels(server, NULL, client, TRUE,
146 silc_idlist_del_client(server->global_list, client);
148 silc_free(client_id);
154 /* Caches the received WHOIS information. */
157 silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd)
159 SilcServer server = cmd->server;
160 unsigned char *tmp, *id_data, *umodes;
161 char *nickname, *username, *realname, *servername = NULL;
162 unsigned char *fingerprint;
163 SilcClientID *client_id;
164 SilcClientEntry client;
165 SilcIDCacheEntry cache = NULL;
168 SilcUInt32 mode = 0, len, len2, id_len, flen;
170 id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len);
171 nickname = silc_argument_get_arg_type(cmd->args, 3, &len);
172 username = silc_argument_get_arg_type(cmd->args, 4, &len);
173 realname = silc_argument_get_arg_type(cmd->args, 5, &len);
174 if (!id_data || !nickname || !username || !realname)
177 tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
179 SILC_GET32_MSB(mode, tmp);
181 client_id = silc_id_payload_parse_id(id_data, id_len, NULL);
185 fingerprint = silc_argument_get_arg_type(cmd->args, 9, &flen);
187 /* Check if we have this client cached already. */
189 client = silc_idlist_find_client_by_id(server->local_list, client_id,
192 client = silc_idlist_find_client_by_id(server->global_list, client_id,
198 /* If router did not find such Client ID in its lists then this must
199 be bogus client or some router in the net is buggy. */
200 if (server->server_type != SILC_SERVER)
203 /* Take hostname out of nick string if it includes it. */
204 silc_parse_userfqdn(nickname, &nick, &servername);
206 /* We don't have that client anywhere, add it. The client is added
207 to global list since server didn't have it in the lists so it must be
209 client = silc_idlist_add_client(server->global_list, nick,
211 strdup(realname), client_id,
212 cmd->sock->user_data, NULL,
215 SILC_LOG_ERROR(("Could not add new client to the ID Cache"));
219 client->data.status |=
220 (SILC_IDLIST_STATUS_REGISTERED | SILC_IDLIST_STATUS_RESOLVED);
221 client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
223 client->servername = servername;
225 /* We have the client already, update the data */
227 SILC_LOG_DEBUG(("Updating client data"));
229 /* Take hostname out of nick string if it includes it. */
230 silc_parse_userfqdn(nickname, &nick, &servername);
232 /* Remove the old cache entry */
233 silc_idcache_del_by_context(global ? server->global_list->clients :
234 server->local_list->clients, client);
236 silc_free(client->nickname);
237 silc_free(client->username);
238 silc_free(client->userinfo);
239 silc_free(client->servername);
241 client->nickname = nick;
242 client->username = strdup(username);
243 client->userinfo = strdup(realname);
244 client->servername = servername;
246 client->data.status |= SILC_IDLIST_STATUS_RESOLVED;
247 client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
249 /* Create new cache entry */
250 silc_idcache_add(global ? server->global_list->clients :
251 server->local_list->clients, nick, client->id,
253 silc_free(client_id);
256 /* Save channel list if it was sent to us */
257 if (server->server_type == SILC_SERVER) {
258 tmp = silc_argument_get_arg_type(cmd->args, 6, &len);
259 umodes = silc_argument_get_arg_type(cmd->args, 10, &len2);
261 SilcBufferStruct channels_buf, umodes_buf;
262 silc_buffer_set(&channels_buf, tmp, len);
263 silc_buffer_set(&umodes_buf, umodes, len2);
264 silc_server_save_user_channels(server, cmd->sock, client, &channels_buf,
267 silc_server_save_user_channels(server, cmd->sock, client, NULL, NULL);
271 /* If client is global and is not on any channel then add that we'll
272 expire the entry after a while. */
273 if (global && !silc_hash_table_count(client->channels))
274 cache->expire = time(NULL) + 300;
277 if (fingerprint && flen == sizeof(client->data.fingerprint))
278 memcpy(client->data.fingerprint, fingerprint, flen);
283 /* Reiceved reply for WHOIS command. We sent the whois request to our
284 primary router, if we are normal server, and thus has now received reply
285 to the command. We will figure out what client originally sent us the
286 command and will send the reply to it. If we are router we will figure
287 out who server sent us the command and send reply to that one. */
289 SILC_SERVER_CMD_REPLY_FUNC(whois)
291 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
292 SilcStatus status, error;
294 COMMAND_CHECK_STATUS;
296 if (!silc_server_command_reply_whois_save(cmd))
299 /* Pending callbacks are not executed if this was an list entry */
300 if (status != SILC_STATUS_OK &&
301 status != SILC_STATUS_LIST_END) {
302 silc_server_command_reply_free(cmd);
307 silc_server_command_process_error(cmd, error);
308 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_WHOIS);
309 silc_server_command_reply_free(cmd);
313 silc_server_command_process_error(cmd, error);
314 silc_server_command_reply_free(cmd);
317 /* Caches the received WHOWAS information for a short period of time. */
320 silc_server_command_reply_whowas_save(SilcServerCommandReplyContext cmd)
322 SilcServer server = cmd->server;
323 SilcUInt32 len, id_len;
324 unsigned char *id_data;
325 char *nickname, *username, *realname, *servername = NULL;
326 SilcClientID *client_id;
327 SilcClientEntry client;
328 SilcIDCacheEntry cache = NULL;
332 id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len);
333 nickname = silc_argument_get_arg_type(cmd->args, 3, &len);
334 username = silc_argument_get_arg_type(cmd->args, 4, &len);
335 if (!id_data || !nickname || !username)
338 realname = silc_argument_get_arg_type(cmd->args, 5, &len);
340 client_id = silc_id_payload_parse_id(id_data, id_len, NULL);
344 /* Check if we have this client cached already. */
346 client = silc_idlist_find_client_by_id(server->local_list, client_id,
349 client = silc_idlist_find_client_by_id(server->global_list,
350 client_id, FALSE, &cache);
355 /* If router did not find such Client ID in its lists then this must
356 be bogus client or some router in the net is buggy. */
357 if (server->server_type != SILC_SERVER)
360 /* Take hostname out of nick string if it includes it. */
361 silc_parse_userfqdn(nickname, &nick, &servername);
363 /* We don't have that client anywhere, add it. The client is added
364 to global list since server didn't have it in the lists so it must be
366 client = silc_idlist_add_client(server->global_list, nick,
367 strdup(username), strdup(realname),
368 silc_id_dup(client_id, SILC_ID_CLIENT),
369 cmd->sock->user_data, NULL,
370 SILC_ID_CACHE_EXPIRE_DEF);
372 SILC_LOG_ERROR(("Could not add new client to the ID Cache"));
376 client->data.status &= ~SILC_IDLIST_STATUS_REGISTERED;
377 client->servername = servername;
379 /* We have the client already, update the data */
381 /* Take hostname out of nick string if it includes it. */
382 silc_parse_userfqdn(nickname, &nick, &servername);
384 silc_free(client->nickname);
385 silc_free(client->username);
387 client->nickname = nick;
388 client->username = strdup(username);
389 client->servername = servername;
391 /* Remove the old cache entry and create a new one */
392 silc_idcache_del_by_context(global ? server->global_list->clients :
393 server->local_list->clients, client);
394 silc_idcache_add(global ? server->global_list->clients :
395 server->local_list->clients, nick, client->id,
399 silc_free(client_id);
404 /* Received reply for WHOWAS command. Cache the client information only for
405 a short period of time. */
407 SILC_SERVER_CMD_REPLY_FUNC(whowas)
409 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
410 SilcStatus status, error;
412 COMMAND_CHECK_STATUS;
414 if (!silc_server_command_reply_whowas_save(cmd))
417 /* Pending callbacks are not executed if this was an list entry */
418 if (status != SILC_STATUS_OK &&
419 status != SILC_STATUS_LIST_END) {
420 silc_server_command_reply_free(cmd);
425 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_WHOWAS);
427 silc_server_command_reply_free(cmd);
430 /* Caches the received IDENTIFY information. */
433 silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd)
435 SilcServer server = cmd->server;
436 SilcUInt32 len, id_len;
437 unsigned char *id_data;
439 SilcClientID *client_id = NULL;
440 SilcServerID *server_id = NULL;
441 SilcChannelID *channel_id = NULL;
442 SilcClientEntry client;
443 SilcServerEntry server_entry;
444 SilcChannelEntry channel;
447 SilcIDPayload idp = NULL;
451 id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len);
454 idp = silc_id_payload_parse(id_data, id_len);
458 name = silc_argument_get_arg_type(cmd->args, 3, &len);
459 info = silc_argument_get_arg_type(cmd->args, 4, &len);
461 id_type = silc_id_payload_get_type(idp);
465 client_id = silc_id_payload_get_id(idp);
469 SILC_LOG_DEBUG(("Received client information"));
471 client = silc_idlist_find_client_by_id(server->local_list,
472 client_id, FALSE, NULL);
474 client = silc_idlist_find_client_by_id(server->global_list, client_id,
479 /* If router did not find such Client ID in its lists then this must
480 be bogus client or some router in the net is buggy. */
481 if (server->server_type != SILC_SERVER)
486 silc_parse_userfqdn(name, &nick, NULL);
488 /* We don't have that client anywhere, add it. The client is added
489 to global list since server didn't have it in the lists so it must be
491 client = silc_idlist_add_client(server->global_list, nick,
492 info ? strdup(info) : NULL, NULL,
493 client_id, cmd->sock->user_data, NULL,
496 SILC_LOG_ERROR(("Could not add new client to the ID Cache"));
499 client->data.status |= SILC_IDLIST_STATUS_REGISTERED;
500 client->data.status |= SILC_IDLIST_STATUS_RESOLVED;
501 client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
503 /* We have the client already, update the data */
505 SILC_LOG_DEBUG(("Updating client data"));
509 silc_parse_userfqdn(name, &nick, NULL);
511 /* Remove the old cache entry */
512 silc_idcache_del_by_context(global ? server->global_list->clients :
513 server->local_list->clients, client);
515 silc_free(client->nickname);
516 client->nickname = nick;
520 silc_free(client->username);
521 client->username = strdup(info);
524 client->data.status |= SILC_IDLIST_STATUS_RESOLVED;
525 client->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
528 /* If client is global and is not on any channel then add that we'll
529 expire the entry after a while. */
530 if (global && !silc_hash_table_count(client->channels) &&
531 server->server_type == SILC_SERVER)
532 expire = time(NULL) + 300;
534 /* Add new cache entry */
535 silc_idcache_add(global ? server->global_list->clients :
536 server->local_list->clients, nick, client->id,
537 client, expire, NULL);
540 silc_free(client_id);
549 server_id = silc_id_payload_get_id(idp);
553 SILC_LOG_DEBUG(("Received server information"));
555 server_entry = silc_idlist_find_server_by_id(server->local_list,
556 server_id, FALSE, NULL);
558 server_entry = silc_idlist_find_server_by_id(server->global_list,
559 server_id, FALSE, NULL);
561 /* If router did not find such Server ID in its lists then this must
562 be bogus server or some router in the net is buggy. */
563 if (server->server_type != SILC_SERVER)
566 /* We don't have that server anywhere, add it. */
567 server_entry = silc_idlist_add_server(server->global_list,
569 server_id, NULL, NULL);
571 silc_free(server_id);
574 server_entry->data.status |= SILC_IDLIST_STATUS_REGISTERED;
575 server_entry->data.status |= SILC_IDLIST_STATUS_RESOLVED;
576 server_entry->data.status &= ~SILC_IDLIST_STATUS_RESOLVING;
580 silc_free(server_id);
583 case SILC_ID_CHANNEL:
587 channel_id = silc_id_payload_get_id(idp);
591 SILC_LOG_DEBUG(("Received channel information"));
593 channel = silc_idlist_find_channel_by_name(server->local_list,
596 channel = silc_idlist_find_channel_by_name(server->global_list,
599 /* If router did not find such Channel ID in its lists then this must
600 be bogus channel or some router in the net is buggy. */
601 if (server->server_type != SILC_SERVER)
604 /* We don't have that server anywhere, add it. */
605 channel = silc_idlist_add_channel(server->global_list, strdup(name),
606 SILC_CHANNEL_MODE_NONE, channel_id,
607 server->router, NULL, NULL, 0);
609 silc_free(channel_id);
615 silc_free(channel_id);
619 silc_id_payload_free(idp);
623 silc_id_payload_free(idp);
627 /* Received reply for forwarded IDENTIFY command. We have received the
628 requested identify information now and we will cache it. After this we
629 will call the pending command so that the requestee gets the information
632 SILC_SERVER_CMD_REPLY_FUNC(identify)
634 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
635 SilcStatus status, error;
637 COMMAND_CHECK_STATUS;
639 if (!silc_server_command_reply_identify_save(cmd))
642 /* Pending callbacks are not executed if this was an list entry */
643 if (status != SILC_STATUS_OK &&
644 status != SILC_STATUS_LIST_END) {
645 silc_server_command_reply_free(cmd);
650 silc_server_command_process_error(cmd, error);
651 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_IDENTIFY);
652 silc_server_command_reply_free(cmd);
656 silc_server_command_process_error(cmd, error);
657 silc_server_command_reply_free(cmd);
660 /* Received reply fro INFO command. Cache the server and its information */
662 SILC_SERVER_CMD_REPLY_FUNC(info)
664 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
665 SilcServer server = cmd->server;
666 SilcStatus status, error;
667 SilcServerEntry entry;
668 SilcServerID *server_id;
670 unsigned char *tmp, *name;
672 COMMAND_CHECK_STATUS;
675 tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
678 server_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
683 name = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
687 entry = silc_idlist_find_server_by_id(server->local_list, server_id,
690 entry = silc_idlist_find_server_by_id(server->global_list, server_id,
693 /* Add the server to global list */
694 server_id = silc_id_dup(server_id, SILC_ID_SERVER);
695 entry = silc_idlist_add_server(server->global_list, name, 0,
696 server_id, NULL, NULL);
698 silc_free(server_id);
701 entry->data.status |= SILC_IDLIST_STATUS_REGISTERED;
705 /* Get the info string */
706 tmp = silc_argument_get_arg_type(cmd->args, 4, &tmp_len);
710 entry->server_info = tmp ? strdup(tmp) : NULL;
713 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_INFO);
715 silc_server_command_reply_free(cmd);
718 /* Received reply fro MOTD command. */
720 SILC_SERVER_CMD_REPLY_FUNC(motd)
722 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
723 SilcServer server = cmd->server;
724 SilcStatus status, error;
725 SilcServerEntry entry = NULL;
726 SilcServerID *server_id;
730 COMMAND_CHECK_STATUS;
733 tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
736 server_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
740 entry = silc_idlist_find_server_by_id(server->local_list, server_id,
743 entry = silc_idlist_find_server_by_id(server->global_list, server_id,
750 tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
757 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_MOTD);
759 silc_server_command_reply_free(cmd);
765 /* Received reply for forwarded JOIN command. Router has created or joined
766 the client to the channel. We save some channel information locally
769 SILC_SERVER_CMD_REPLY_FUNC(join)
771 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
772 SilcServer server = cmd->server;
773 SilcIDCacheEntry cache = NULL;
774 SilcStatus status, error;
776 SilcClientID *client_id = NULL;
777 SilcChannelEntry entry;
778 SilcHmac hmac = NULL;
779 SilcUInt32 id_len, len, list_count;
780 unsigned char *id_string;
781 char *channel_name, *tmp;
782 SilcUInt32 mode, created;
783 SilcBuffer keyp = NULL, client_id_list = NULL, client_mode_list = NULL;
784 SilcPublicKey founder_key = NULL;
786 COMMAND_CHECK_STATUS;
788 /* Get channel name */
789 channel_name = silc_argument_get_arg_type(cmd->args, 2, NULL);
794 id_string = silc_argument_get_arg_type(cmd->args, 3, &id_len);
799 tmp = silc_argument_get_arg_type(cmd->args, 4, &len);
802 client_id = silc_id_payload_parse_id(tmp, len, NULL);
807 tmp = silc_argument_get_arg_type(cmd->args, 5, NULL);
810 SILC_GET32_MSB(mode, tmp);
812 /* Get created boolean value */
813 tmp = silc_argument_get_arg_type(cmd->args, 6, NULL);
816 SILC_GET32_MSB(created, tmp);
817 if (created != 0 && created != 1)
820 /* Get channel key */
821 tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
823 keyp = silc_buffer_alloc(len);
824 silc_buffer_pull_tail(keyp, SILC_BUFFER_END(keyp));
825 silc_buffer_put(keyp, tmp, len);
828 /* Parse the Channel ID */
829 id = silc_id_payload_parse_id(id_string, id_len, NULL);
834 tmp = silc_argument_get_arg_type(cmd->args, 11, NULL);
836 if (!silc_hmac_alloc(tmp, NULL, &hmac))
840 /* Get the list count */
841 tmp = silc_argument_get_arg_type(cmd->args, 12, &len);
844 SILC_GET32_MSB(list_count, tmp);
846 /* Get Client ID list */
847 tmp = silc_argument_get_arg_type(cmd->args, 13, &len);
851 client_id_list = silc_buffer_alloc(len);
852 silc_buffer_pull_tail(client_id_list, len);
853 silc_buffer_put(client_id_list, tmp, len);
855 /* Get client mode list */
856 tmp = silc_argument_get_arg_type(cmd->args, 14, &len);
860 client_mode_list = silc_buffer_alloc(len);
861 silc_buffer_pull_tail(client_mode_list, len);
862 silc_buffer_put(client_mode_list, tmp, len);
864 /* Get founder key */
865 tmp = silc_argument_get_arg_type(cmd->args, 15, &len);
867 silc_pkcs_public_key_decode(tmp, len, &founder_key);
869 /* See whether we already have the channel. */
870 entry = silc_idlist_find_channel_by_name(server->local_list,
871 channel_name, &cache);
873 /* Add new channel */
875 SILC_LOG_DEBUG(("Adding new [%s] channel %s id(%s)",
876 (created == 0 ? "existing" : "created"), channel_name,
877 silc_id_render(id, SILC_ID_CHANNEL)));
879 /* If the channel is found from global list we must move it to the
881 entry = silc_idlist_find_channel_by_name(server->global_list,
882 channel_name, &cache);
884 silc_idlist_del_channel(server->global_list, entry);
886 /* Add the channel to our local list. */
887 entry = silc_idlist_add_channel(server->local_list, strdup(channel_name),
888 SILC_CHANNEL_MODE_NONE, id,
889 server->router, NULL, hmac, 0);
894 server->stat.my_channels++;
895 server->stat.channels++;
897 /* The entry exists. */
899 /* If ID has changed, then update it to the cache too. */
900 if (!SILC_ID_CHANNEL_COMPARE(entry->id, id))
901 silc_idlist_replace_channel_id(server->local_list, entry->id, id);
903 entry->disabled = FALSE;
905 /* Remove the founder auth data if the mode is not set but we have
907 if (!(mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) && entry->founder_key) {
908 silc_pkcs_public_key_free(entry->founder_key);
909 entry->founder_key = NULL;
914 if (entry->founder_key)
915 silc_pkcs_public_key_free(entry->founder_key);
916 entry->founder_key = founder_key;
920 if (entry->hmac_name && hmac) {
921 silc_free(entry->hmac_name);
922 entry->hmac_name = strdup(silc_hmac_get_name(hmac));
925 /* Get the ban list */
926 tmp = silc_argument_get_arg_type(cmd->args, 8, &len);
928 silc_free(entry->ban_list);
929 entry->ban_list = silc_memdup(tmp, len);
932 /* Get the invite list */
933 tmp = silc_argument_get_arg_type(cmd->args, 9, &len);
935 silc_free(entry->invite_list);
936 entry->invite_list = silc_memdup(tmp, len);
940 tmp = silc_argument_get_arg_type(cmd->args, 10, &len);
942 silc_free(entry->topic);
943 entry->topic = strdup(tmp);
946 /* If channel was not created we know there is global users on the
948 entry->global_users = (created == 0 ? TRUE : FALSE);
950 /* If channel was just created the mask must be zero */
951 if (!entry->global_users && mode) {
952 SILC_LOG_DEBUG(("Buggy router `%s' sent non-zero mode mask for "
953 "new channel, forcing it to zero", cmd->sock->hostname));
957 /* Save channel mode */
960 /* Save channel key */
962 if (!(entry->mode & SILC_CHANNEL_MODE_PRIVKEY))
963 silc_server_save_channel_key(server, keyp, entry);
964 silc_buffer_free(keyp);
967 /* Save the users to the channel */
968 silc_server_save_users_on_channel(server, cmd->sock, entry,
969 client_id, client_id_list,
970 client_mode_list, list_count);
971 entry->users_resolved = TRUE;
974 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_JOIN);
976 silc_free(client_id);
977 silc_server_command_reply_free(cmd);
979 silc_pkcs_public_key_free(founder_key);
981 silc_buffer_free(client_id_list);
982 if (client_mode_list)
983 silc_buffer_free(client_mode_list);
986 /* Received reply to STATS command. */
988 SILC_SERVER_CMD_REPLY_FUNC(stats)
990 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
991 SilcServer server = cmd->server;
992 SilcStatus status, error;
995 SilcBufferStruct buf;
997 COMMAND_CHECK_STATUS;
999 /* Get statistics structure */
1000 tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
1001 if (server->server_type == SILC_SERVER && tmp) {
1002 silc_buffer_set(&buf, tmp, tmp_len);
1003 silc_buffer_unformat(&buf,
1004 SILC_STR_UI_INT(NULL),
1005 SILC_STR_UI_INT(NULL),
1006 SILC_STR_UI_INT(NULL),
1007 SILC_STR_UI_INT(NULL),
1008 SILC_STR_UI_INT(NULL),
1009 SILC_STR_UI_INT(NULL),
1010 SILC_STR_UI_INT(&server->stat.cell_clients),
1011 SILC_STR_UI_INT(&server->stat.cell_channels),
1012 SILC_STR_UI_INT(&server->stat.cell_servers),
1013 SILC_STR_UI_INT(&server->stat.clients),
1014 SILC_STR_UI_INT(&server->stat.channels),
1015 SILC_STR_UI_INT(&server->stat.servers),
1016 SILC_STR_UI_INT(&server->stat.routers),
1017 SILC_STR_UI_INT(&server->stat.server_ops),
1018 SILC_STR_UI_INT(&server->stat.router_ops),
1023 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_STATS);
1025 silc_server_command_reply_free(cmd);
1028 SILC_SERVER_CMD_REPLY_FUNC(users)
1030 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
1031 SilcServer server = cmd->server;
1032 SilcStatus status, error;
1033 SilcChannelEntry channel;
1034 SilcChannelID *channel_id = NULL;
1035 SilcBuffer client_id_list;
1036 SilcBuffer client_mode_list;
1039 SilcUInt32 list_count;
1041 COMMAND_CHECK_STATUS;
1043 /* Get channel ID */
1044 tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
1047 channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
1051 /* Get channel entry */
1052 channel = silc_idlist_find_channel_by_id(server->local_list,
1055 channel = silc_idlist_find_channel_by_id(server->global_list,
1060 if (server->server_type != SILC_SERVER)
1063 idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
1064 silc_server_send_command(server, server->router->connection,
1065 SILC_COMMAND_IDENTIFY, ++server->cmd_ident,
1066 1, 5, idp->data, idp->len);
1067 silc_buffer_free(idp);
1069 /* Register pending command callback. After we've received the channel
1070 information we will reprocess this command reply by re-calling this
1071 USERS command reply callback. */
1072 silc_server_command_pending(server, SILC_COMMAND_IDENTIFY,
1074 silc_server_command_reply_users, cmd);
1079 /* Get the list count */
1080 tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
1083 SILC_GET32_MSB(list_count, tmp);
1085 /* Get Client ID list */
1086 tmp = silc_argument_get_arg_type(cmd->args, 4, &tmp_len);
1090 client_id_list = silc_buffer_alloc(tmp_len);
1091 silc_buffer_pull_tail(client_id_list, tmp_len);
1092 silc_buffer_put(client_id_list, tmp, tmp_len);
1094 /* Get client mode list */
1095 tmp = silc_argument_get_arg_type(cmd->args, 5, &tmp_len);
1099 client_mode_list = silc_buffer_alloc(tmp_len);
1100 silc_buffer_pull_tail(client_mode_list, tmp_len);
1101 silc_buffer_put(client_mode_list, tmp, tmp_len);
1103 /* Save the users to the channel */
1104 silc_server_save_users_on_channel(server, cmd->sock, channel, NULL,
1105 client_id_list, client_mode_list,
1108 channel->global_users = silc_server_channel_has_global(channel);
1109 channel->users_resolved = TRUE;
1111 silc_buffer_free(client_id_list);
1112 silc_buffer_free(client_mode_list);
1115 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_USERS);
1116 silc_free(channel_id);
1118 silc_server_command_reply_free(cmd);
1121 SILC_SERVER_CMD_REPLY_FUNC(getkey)
1123 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
1124 SilcServer server = cmd->server;
1125 SilcStatus status, error;
1126 SilcClientEntry client = NULL;
1127 SilcServerEntry server_entry = NULL;
1128 SilcClientID *client_id = NULL;
1129 SilcServerID *server_id = NULL;
1131 unsigned char *tmp, *pk;
1134 SilcIDPayload idp = NULL;
1136 SilcPublicKey public_key = NULL;
1138 COMMAND_CHECK_STATUS;
1140 tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
1143 idp = silc_id_payload_parse(tmp, len);
1147 /* Get the public key payload */
1148 tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
1152 /* Decode the public key */
1154 SILC_GET16_MSB(pk_len, tmp);
1155 SILC_GET16_MSB(type, tmp + 2);
1158 if (type != SILC_SKE_PK_TYPE_SILC)
1161 if (!silc_pkcs_public_key_decode(pk, pk_len, &public_key))
1164 id_type = silc_id_payload_get_type(idp);
1165 if (id_type == SILC_ID_CLIENT) {
1166 client_id = silc_id_payload_get_id(idp);
1168 client = silc_idlist_find_client_by_id(server->local_list, client_id,
1171 client = silc_idlist_find_client_by_id(server->global_list,
1172 client_id, TRUE, NULL);
1177 client->data.public_key = public_key;
1179 } else if (id_type == SILC_ID_SERVER) {
1180 server_id = silc_id_payload_get_id(idp);
1182 server_entry = silc_idlist_find_server_by_id(server->local_list, server_id,
1184 if (!server_entry) {
1185 server_entry = silc_idlist_find_server_by_id(server->global_list,
1186 server_id, TRUE, NULL);
1191 server_entry->data.public_key = public_key;
1198 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_GETKEY);
1200 silc_id_payload_free(idp);
1201 silc_free(client_id);
1202 silc_free(server_id);
1204 silc_pkcs_public_key_free(public_key);
1206 silc_server_command_reply_free(cmd);
1209 SILC_SERVER_CMD_REPLY_FUNC(list)
1211 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
1212 SilcServer server = cmd->server;
1213 SilcStatus status, error;
1214 SilcChannelID *channel_id = NULL;
1215 SilcChannelEntry channel;
1216 SilcIDCacheEntry cache;
1218 unsigned char *tmp, *name, *topic;
1219 SilcUInt32 usercount = 0;
1220 bool global_list = FALSE;
1222 COMMAND_CHECK_STATUS;
1224 tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
1225 channel_id = silc_id_payload_parse_id(tmp, len, NULL);
1229 name = silc_argument_get_arg_type(cmd->args, 3, NULL);
1230 topic = silc_argument_get_arg_type(cmd->args, 4, NULL);
1231 tmp = silc_argument_get_arg_type(cmd->args, 5, NULL);
1233 SILC_GET32_MSB(usercount, tmp);
1235 /* Add the channel entry if we do not have it already */
1236 channel = silc_idlist_find_channel_by_name(server->local_list,
1239 channel = silc_idlist_find_channel_by_name(server->global_list,
1244 /* If router did not find such channel in its lists then this must
1245 be bogus channel or some router in the net is buggy. */
1246 if (server->server_type != SILC_SERVER)
1249 channel = silc_idlist_add_channel(server->global_list, strdup(name),
1250 SILC_CHANNEL_MODE_NONE, channel_id,
1251 server->router, NULL, NULL,
1257 /* Found, update expiry */
1258 if (global_list && server->server_type == SILC_SERVER)
1259 cache->expire = time(NULL) + 60;
1262 channel->user_count = usercount;
1265 silc_free(channel->topic);
1266 channel->topic = strdup(topic);
1269 /* Pending callbacks are not executed if this was an list entry */
1270 if (status != SILC_STATUS_OK &&
1271 status != SILC_STATUS_LIST_END) {
1272 silc_server_command_reply_free(cmd);
1276 /* Now purge all old entries from the global list, otherwise we'll might
1277 have non-existent entries for long periods of time in the cache. */
1278 silc_idcache_purge(server->global_list->channels);
1281 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_LIST);
1282 silc_free(channel_id);
1284 silc_server_command_reply_free(cmd);
1287 SILC_SERVER_CMD_REPLY_FUNC(watch)
1289 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
1290 SilcStatus status, error;
1292 COMMAND_CHECK_STATUS;
1295 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_WATCH);
1297 silc_server_command_reply_free(cmd);