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;
785 COMMAND_CHECK_STATUS;
787 /* Get channel name */
788 channel_name = silc_argument_get_arg_type(cmd->args, 2, NULL);
793 id_string = silc_argument_get_arg_type(cmd->args, 3, &id_len);
798 tmp = silc_argument_get_arg_type(cmd->args, 4, &len);
801 client_id = silc_id_payload_parse_id(tmp, len, NULL);
806 tmp = silc_argument_get_arg_type(cmd->args, 5, NULL);
809 SILC_GET32_MSB(mode, tmp);
811 /* Get created boolean value */
812 tmp = silc_argument_get_arg_type(cmd->args, 6, NULL);
815 SILC_GET32_MSB(created, tmp);
816 if (created != 0 && created != 1)
819 /* Get channel key */
820 tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
822 keyp = silc_buffer_alloc(len);
823 silc_buffer_pull_tail(keyp, SILC_BUFFER_END(keyp));
824 silc_buffer_put(keyp, tmp, len);
827 /* Parse the Channel ID */
828 id = silc_id_payload_parse_id(id_string, id_len, NULL);
833 tmp = silc_argument_get_arg_type(cmd->args, 11, NULL);
835 if (!silc_hmac_alloc(tmp, NULL, &hmac))
839 /* Get the list count */
840 tmp = silc_argument_get_arg_type(cmd->args, 12, &len);
843 SILC_GET32_MSB(list_count, tmp);
845 /* Get Client ID list */
846 tmp = silc_argument_get_arg_type(cmd->args, 13, &len);
850 client_id_list = silc_buffer_alloc(len);
851 silc_buffer_pull_tail(client_id_list, len);
852 silc_buffer_put(client_id_list, tmp, len);
854 /* Get client mode list */
855 tmp = silc_argument_get_arg_type(cmd->args, 14, &len);
859 client_mode_list = silc_buffer_alloc(len);
860 silc_buffer_pull_tail(client_mode_list, len);
861 silc_buffer_put(client_mode_list, tmp, len);
863 /* See whether we already have the channel. */
864 entry = silc_idlist_find_channel_by_name(server->local_list,
865 channel_name, &cache);
867 /* Add new channel */
869 SILC_LOG_DEBUG(("Adding new [%s] channel %s id(%s)",
870 (created == 0 ? "existing" : "created"), channel_name,
871 silc_id_render(id, SILC_ID_CHANNEL)));
873 /* If the channel is found from global list we must move it to the
875 entry = silc_idlist_find_channel_by_name(server->global_list,
876 channel_name, &cache);
878 silc_idlist_del_channel(server->global_list, entry);
880 /* Add the channel to our local list. */
881 entry = silc_idlist_add_channel(server->local_list, strdup(channel_name),
882 SILC_CHANNEL_MODE_NONE, id,
883 server->router, NULL, hmac, 0);
888 server->stat.my_channels++;
890 /* The entry exists. */
892 /* If ID has changed, then update it to the cache too. */
893 if (!SILC_ID_CHANNEL_COMPARE(entry->id, id))
894 silc_idlist_replace_channel_id(server->local_list, entry->id, id);
896 entry->disabled = FALSE;
898 /* Remove the founder auth data if the mode is not set but we have
900 if (!(mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) && entry->founder_key) {
901 silc_pkcs_public_key_free(entry->founder_key);
902 entry->founder_key = NULL;
906 if (entry->hmac_name && hmac) {
907 silc_free(entry->hmac_name);
908 entry->hmac_name = strdup(silc_hmac_get_name(hmac));
911 /* Get the ban list */
912 tmp = silc_argument_get_arg_type(cmd->args, 8, &len);
914 silc_free(entry->ban_list);
915 entry->ban_list = silc_memdup(tmp, len);
918 /* Get the invite list */
919 tmp = silc_argument_get_arg_type(cmd->args, 9, &len);
921 silc_free(entry->invite_list);
922 entry->invite_list = silc_memdup(tmp, len);
926 tmp = silc_argument_get_arg_type(cmd->args, 10, &len);
928 silc_free(entry->topic);
929 entry->topic = strdup(tmp);
932 /* If channel was not created we know there is global users on the
934 entry->global_users = (created == 0 ? TRUE : FALSE);
936 /* If channel was just created the mask must be zero */
937 if (!entry->global_users && mode) {
938 SILC_LOG_DEBUG(("Buggy router `%s' sent non-zero mode mask for "
939 "new channel, forcing it to zero", cmd->sock->hostname));
943 /* Save channel mode */
946 /* Save channel key */
948 if (!(entry->mode & SILC_CHANNEL_MODE_PRIVKEY))
949 silc_server_save_channel_key(server, keyp, entry);
950 silc_buffer_free(keyp);
953 /* Save the users to the channel */
954 silc_server_save_users_on_channel(server, cmd->sock, entry,
955 client_id, client_id_list,
956 client_mode_list, list_count);
957 entry->users_resolved = TRUE;
960 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_JOIN);
962 silc_free(client_id);
963 silc_server_command_reply_free(cmd);
966 silc_buffer_free(client_id_list);
967 if (client_mode_list)
968 silc_buffer_free(client_mode_list);
971 /* Received reply to STATS command. */
973 SILC_SERVER_CMD_REPLY_FUNC(stats)
975 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
976 SilcServer server = cmd->server;
977 SilcStatus status, error;
980 SilcBufferStruct buf;
982 COMMAND_CHECK_STATUS;
984 /* Get statistics structure */
985 tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
986 if (server->server_type == SILC_SERVER && tmp) {
987 silc_buffer_set(&buf, tmp, tmp_len);
988 silc_buffer_unformat(&buf,
989 SILC_STR_UI_INT(NULL),
990 SILC_STR_UI_INT(NULL),
991 SILC_STR_UI_INT(NULL),
992 SILC_STR_UI_INT(NULL),
993 SILC_STR_UI_INT(NULL),
994 SILC_STR_UI_INT(NULL),
995 SILC_STR_UI_INT(&server->stat.cell_clients),
996 SILC_STR_UI_INT(&server->stat.cell_channels),
997 SILC_STR_UI_INT(&server->stat.cell_servers),
998 SILC_STR_UI_INT(&server->stat.clients),
999 SILC_STR_UI_INT(&server->stat.channels),
1000 SILC_STR_UI_INT(&server->stat.servers),
1001 SILC_STR_UI_INT(&server->stat.routers),
1002 SILC_STR_UI_INT(&server->stat.server_ops),
1003 SILC_STR_UI_INT(&server->stat.router_ops),
1008 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_STATS);
1010 silc_server_command_reply_free(cmd);
1013 SILC_SERVER_CMD_REPLY_FUNC(users)
1015 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
1016 SilcServer server = cmd->server;
1017 SilcStatus status, error;
1018 SilcChannelEntry channel;
1019 SilcChannelID *channel_id = NULL;
1020 SilcBuffer client_id_list;
1021 SilcBuffer client_mode_list;
1024 SilcUInt32 list_count;
1026 COMMAND_CHECK_STATUS;
1028 /* Get channel ID */
1029 tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
1032 channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
1036 /* Get channel entry */
1037 channel = silc_idlist_find_channel_by_id(server->local_list,
1040 channel = silc_idlist_find_channel_by_id(server->global_list,
1045 if (server->server_type != SILC_SERVER)
1048 idp = silc_id_payload_encode(channel_id, SILC_ID_CHANNEL);
1049 silc_server_send_command(server, server->router->connection,
1050 SILC_COMMAND_IDENTIFY, ++server->cmd_ident,
1051 1, 5, idp->data, idp->len);
1052 silc_buffer_free(idp);
1054 /* Register pending command callback. After we've received the channel
1055 information we will reprocess this command reply by re-calling this
1056 USERS command reply callback. */
1057 silc_server_command_pending(server, SILC_COMMAND_IDENTIFY,
1059 silc_server_command_reply_users, cmd);
1064 /* Get the list count */
1065 tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
1068 SILC_GET32_MSB(list_count, tmp);
1070 /* Get Client ID list */
1071 tmp = silc_argument_get_arg_type(cmd->args, 4, &tmp_len);
1075 client_id_list = silc_buffer_alloc(tmp_len);
1076 silc_buffer_pull_tail(client_id_list, tmp_len);
1077 silc_buffer_put(client_id_list, tmp, tmp_len);
1079 /* Get client mode list */
1080 tmp = silc_argument_get_arg_type(cmd->args, 5, &tmp_len);
1084 client_mode_list = silc_buffer_alloc(tmp_len);
1085 silc_buffer_pull_tail(client_mode_list, tmp_len);
1086 silc_buffer_put(client_mode_list, tmp, tmp_len);
1088 /* Save the users to the channel */
1089 silc_server_save_users_on_channel(server, cmd->sock, channel, NULL,
1090 client_id_list, client_mode_list,
1093 channel->global_users = silc_server_channel_has_global(channel);
1094 channel->users_resolved = TRUE;
1096 silc_buffer_free(client_id_list);
1097 silc_buffer_free(client_mode_list);
1100 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_USERS);
1101 silc_free(channel_id);
1103 silc_server_command_reply_free(cmd);
1106 SILC_SERVER_CMD_REPLY_FUNC(getkey)
1108 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
1109 SilcServer server = cmd->server;
1110 SilcStatus status, error;
1111 SilcClientEntry client = NULL;
1112 SilcServerEntry server_entry = NULL;
1113 SilcClientID *client_id = NULL;
1114 SilcServerID *server_id = NULL;
1116 unsigned char *tmp, *pk;
1119 SilcIDPayload idp = NULL;
1121 SilcPublicKey public_key = NULL;
1123 COMMAND_CHECK_STATUS;
1125 tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
1128 idp = silc_id_payload_parse(tmp, len);
1132 /* Get the public key payload */
1133 tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
1137 /* Decode the public key */
1139 SILC_GET16_MSB(pk_len, tmp);
1140 SILC_GET16_MSB(type, tmp + 2);
1143 if (type != SILC_SKE_PK_TYPE_SILC)
1146 if (!silc_pkcs_public_key_decode(pk, pk_len, &public_key))
1149 id_type = silc_id_payload_get_type(idp);
1150 if (id_type == SILC_ID_CLIENT) {
1151 client_id = silc_id_payload_get_id(idp);
1153 client = silc_idlist_find_client_by_id(server->local_list, client_id,
1156 client = silc_idlist_find_client_by_id(server->global_list,
1157 client_id, TRUE, NULL);
1162 client->data.public_key = public_key;
1164 } else if (id_type == SILC_ID_SERVER) {
1165 server_id = silc_id_payload_get_id(idp);
1167 server_entry = silc_idlist_find_server_by_id(server->local_list, server_id,
1169 if (!server_entry) {
1170 server_entry = silc_idlist_find_server_by_id(server->global_list,
1171 server_id, TRUE, NULL);
1176 server_entry->data.public_key = public_key;
1183 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_GETKEY);
1185 silc_id_payload_free(idp);
1186 silc_free(client_id);
1187 silc_free(server_id);
1189 silc_pkcs_public_key_free(public_key);
1191 silc_server_command_reply_free(cmd);
1194 SILC_SERVER_CMD_REPLY_FUNC(list)
1196 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
1197 SilcServer server = cmd->server;
1198 SilcStatus status, error;
1199 SilcChannelID *channel_id = NULL;
1200 SilcChannelEntry channel;
1201 SilcIDCacheEntry cache;
1203 unsigned char *tmp, *name, *topic;
1204 SilcUInt32 usercount = 0;
1205 bool global_list = FALSE;
1207 COMMAND_CHECK_STATUS;
1209 tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
1210 channel_id = silc_id_payload_parse_id(tmp, len, NULL);
1214 name = silc_argument_get_arg_type(cmd->args, 3, NULL);
1215 topic = silc_argument_get_arg_type(cmd->args, 4, NULL);
1216 tmp = silc_argument_get_arg_type(cmd->args, 5, NULL);
1218 SILC_GET32_MSB(usercount, tmp);
1220 /* Add the channel entry if we do not have it already */
1221 channel = silc_idlist_find_channel_by_name(server->local_list,
1224 channel = silc_idlist_find_channel_by_name(server->global_list,
1229 /* If router did not find such channel in its lists then this must
1230 be bogus channel or some router in the net is buggy. */
1231 if (server->server_type != SILC_SERVER)
1234 channel = silc_idlist_add_channel(server->global_list, strdup(name),
1235 SILC_CHANNEL_MODE_NONE, channel_id,
1236 server->router, NULL, NULL,
1242 /* Found, update expiry */
1243 if (global_list && server->server_type == SILC_SERVER)
1244 cache->expire = time(NULL) + 60;
1247 channel->user_count = usercount;
1250 silc_free(channel->topic);
1251 channel->topic = strdup(topic);
1254 /* Pending callbacks are not executed if this was an list entry */
1255 if (status != SILC_STATUS_OK &&
1256 status != SILC_STATUS_LIST_END) {
1257 silc_server_command_reply_free(cmd);
1261 /* Now purge all old entries from the global list, otherwise we'll might
1262 have non-existent entries for long periods of time in the cache. */
1263 silc_idcache_purge(server->global_list->channels);
1266 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_LIST);
1267 silc_free(channel_id);
1269 silc_server_command_reply_free(cmd);
1272 SILC_SERVER_CMD_REPLY_FUNC(watch)
1274 SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
1275 SilcStatus status, error;
1277 COMMAND_CHECK_STATUS;
1280 SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_WATCH);
1282 silc_server_command_reply_free(cmd);