5 Author: Pekka Riikonen <priikone@silcnet.org>
7 Copyright (C) 1997 - 2007 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 /************************** Types and definitions ***************************/
27 /* Calls error command reply callback back to command sender. */
28 #define ERROR_CALLBACK(err) \
30 void *arg1 = NULL, *arg2 = NULL; \
31 if (cmd->status != SILC_STATUS_OK) \
32 silc_status_get_args(cmd->status, args, &arg1, &arg2); \
34 cmd->status = cmd->error = err; \
35 SILC_LOG_DEBUG(("Error in command reply: %s", \
36 silc_get_status_message(cmd->status))); \
37 silc_client_command_callback(cmd, arg1, arg2); \
41 #define CHECK_STATUS(msg) \
42 SILC_LOG_DEBUG(("%s", silc_get_command_name(cmd->cmd))); \
43 if (cmd->error != SILC_STATUS_OK) { \
45 SAY(cmd->conn->client, cmd->conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR, \
46 msg "%s", silc_get_status_message(cmd->error)); \
47 ERROR_CALLBACK(cmd->error); \
48 silc_client_command_process_error(cmd, state_context, cmd->error); \
49 silc_fsm_next(fsm, silc_client_command_reply_processed); \
50 return SILC_FSM_CONTINUE; \
53 /* Check for correct arguments */
54 #define CHECK_ARGS(min, max) \
55 if (silc_argument_get_arg_num(args) < min || \
56 silc_argument_get_arg_num(args) > max) { \
57 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS); \
58 silc_fsm_next(fsm, silc_client_command_reply_processed); \
59 return SILC_FSM_CONTINUE; \
62 #define SAY cmd->conn->client->internal->ops->say
64 /************************ Static utility functions **************************/
66 /* Delivers the command reply back to application */
69 silc_client_command_callback(SilcClientCommandContext cmd, ...)
71 SilcClientCommandReplyCallback cb;
77 /* Default reply callback */
80 cmd->conn->client->internal->ops->command_reply(
81 cmd->conn->client, cmd->conn, cmd->cmd, cmd->status,
87 list = cmd->reply_callbacks;
88 silc_list_start(list);
89 while ((cb = silc_list_get(list)))
90 if (!cb->do_not_call) {
92 cb->do_not_call = !cb->reply(cmd->conn->client, cmd->conn, cmd->cmd,
93 cmd->status, cmd->error, cb->context, cp);
100 /* Handles common error status types. */
102 static void silc_client_command_process_error(SilcClientCommandContext cmd,
103 SilcCommandPayload payload,
106 SilcClient client = cmd->conn->client;
107 SilcClientConnection conn = cmd->conn;
108 SilcArgumentPayload args = silc_command_get_args(payload);
111 if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
112 SilcClientEntry client_entry;
114 /* Remove unknown client entry from cache */
115 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL))
118 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
120 silc_client_remove_from_channels(client, conn, client_entry);
121 silc_client_del_client(client, conn, client_entry);
122 silc_client_unref_client(client, conn, client_entry);
127 if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CHANNEL_ID) {
128 SilcChannelEntry channel;
130 /* Remove unknown channel entry from cache */
131 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL))
134 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
136 silc_client_empty_channel(client, conn, channel);
137 silc_client_del_channel(client, conn, channel);
138 silc_client_unref_channel(client, conn, channel);
143 if (cmd->error == SILC_STATUS_ERR_NO_SUCH_SERVER_ID) {
144 SilcServerEntry server_entry;
146 /* Remove unknown server entry from cache */
147 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL))
150 server_entry = silc_client_get_server_by_id(client, conn, &id.u.server_id);
152 silc_client_del_server(client, conn, server_entry);
153 silc_client_unref_server(client, conn, server_entry);
159 /***************************** Command Reply ********************************/
161 /* Process received command reply packet */
163 SILC_FSM_STATE(silc_client_command_reply)
165 SilcClientConnection conn = fsm_context;
166 SilcPacket packet = state_context;
167 SilcClientCommandContext cmd;
168 SilcCommandPayload payload;
170 SilcUInt16 cmd_ident;
172 /* Get command reply payload from packet */
173 payload = silc_command_payload_parse(silc_buffer_datalen(&packet->buffer));
174 silc_packet_free(packet);
176 SILC_LOG_DEBUG(("Bad command reply packet"));
177 return SILC_FSM_FINISH;
180 cmd_ident = silc_command_get_ident(payload);
181 command = silc_command_get(payload);
183 /* Find the command pending reply */
184 silc_mutex_lock(conn->internal->lock);
185 silc_list_start(conn->internal->pending_commands);
186 while ((cmd = silc_list_get(conn->internal->pending_commands))) {
187 if ((cmd->cmd == command || cmd->cmd == SILC_COMMAND_NONE)
188 && cmd->cmd_ident == cmd_ident) {
189 silc_list_del(conn->internal->pending_commands, cmd);
193 silc_mutex_unlock(conn->internal->lock);
196 SILC_LOG_DEBUG(("Unknown command reply %s, ident %d",
197 silc_get_command_name(command), cmd_ident));
198 silc_command_payload_free(payload);
199 return SILC_FSM_FINISH;
202 /* Signal command thread that command reply has arrived. We continue
203 command reply processing synchronously because we save the command
204 payload into state context. No other reply may arrive to this command
205 while we're processing this reply. */
206 silc_fsm_set_state_context(&cmd->thread, payload);
207 silc_fsm_next(&cmd->thread, silc_client_command_reply_process);
208 silc_fsm_continue_sync(&cmd->thread);
210 return SILC_FSM_FINISH;
213 /* Wait here for command reply to arrive from remote host */
215 SILC_FSM_STATE(silc_client_command_reply_wait)
217 SilcClientCommandContext cmd = fsm_context;
219 SILC_LOG_DEBUG(("Wait for command reply"));
221 /** Wait for command reply */
222 silc_fsm_set_state_context(fsm, NULL);
223 silc_fsm_next_later(fsm, silc_client_command_reply_timeout,
224 cmd->cmd != SILC_COMMAND_PING ? 40 : 60, 0);
225 return SILC_FSM_WAIT;
228 /* Timeout occurred while waiting command reply */
230 SILC_FSM_STATE(silc_client_command_reply_timeout)
232 SilcClientCommandContext cmd = fsm_context;
233 SilcClientConnection conn = cmd->conn;
234 SilcArgumentPayload args = NULL;
236 if (conn->internal->disconnected) {
237 SILC_LOG_DEBUG(("Command %s canceled", silc_get_command_name(cmd->cmd)));
238 silc_list_del(conn->internal->pending_commands, cmd);
240 ERROR_CALLBACK(SILC_STATUS_ERR_TIMEDOUT);
241 return SILC_FSM_FINISH;
244 SILC_LOG_DEBUG(("Command %s timeout", silc_get_command_name(cmd->cmd)));
246 /* Timeout, reply not received in timely fashion */
247 silc_list_del(conn->internal->pending_commands, cmd);
248 ERROR_CALLBACK(SILC_STATUS_ERR_TIMEDOUT);
249 return SILC_FSM_FINISH;
252 /* Process received command reply payload */
254 SILC_FSM_STATE(silc_client_command_reply_process)
256 SilcClientCommandContext cmd = fsm_context;
257 SilcCommandPayload payload = state_context;
259 silc_command_get_status(payload, &cmd->status, &cmd->error);
262 case SILC_COMMAND_WHOIS:
264 silc_fsm_next(fsm, silc_client_command_reply_whois);
266 case SILC_COMMAND_WHOWAS:
268 silc_fsm_next(fsm, silc_client_command_reply_whowas);
270 case SILC_COMMAND_IDENTIFY:
272 silc_fsm_next(fsm, silc_client_command_reply_identify);
274 case SILC_COMMAND_NICK:
276 silc_fsm_next(fsm, silc_client_command_reply_nick);
278 case SILC_COMMAND_LIST:
280 silc_fsm_next(fsm, silc_client_command_reply_list);
282 case SILC_COMMAND_TOPIC:
284 silc_fsm_next(fsm, silc_client_command_reply_topic);
286 case SILC_COMMAND_INVITE:
288 silc_fsm_next(fsm, silc_client_command_reply_invite);
290 case SILC_COMMAND_QUIT:
292 silc_fsm_next(fsm, silc_client_command_reply_quit);
294 case SILC_COMMAND_KILL:
296 silc_fsm_next(fsm, silc_client_command_reply_kill);
298 case SILC_COMMAND_INFO:
300 silc_fsm_next(fsm, silc_client_command_reply_info);
302 case SILC_COMMAND_STATS:
304 silc_fsm_next(fsm, silc_client_command_reply_stats);
306 case SILC_COMMAND_PING:
308 silc_fsm_next(fsm, silc_client_command_reply_ping);
310 case SILC_COMMAND_OPER:
312 silc_fsm_next(fsm, silc_client_command_reply_oper);
314 case SILC_COMMAND_JOIN:
316 silc_fsm_next(fsm, silc_client_command_reply_join);
318 case SILC_COMMAND_MOTD:
320 silc_fsm_next(fsm, silc_client_command_reply_motd);
322 case SILC_COMMAND_UMODE:
324 silc_fsm_next(fsm, silc_client_command_reply_umode);
326 case SILC_COMMAND_CMODE:
328 silc_fsm_next(fsm, silc_client_command_reply_cmode);
330 case SILC_COMMAND_CUMODE:
332 silc_fsm_next(fsm, silc_client_command_reply_cumode);
334 case SILC_COMMAND_KICK:
336 silc_fsm_next(fsm, silc_client_command_reply_kick);
338 case SILC_COMMAND_BAN:
340 silc_fsm_next(fsm, silc_client_command_reply_ban);
342 case SILC_COMMAND_DETACH:
344 silc_fsm_next(fsm, silc_client_command_reply_detach);
346 case SILC_COMMAND_WATCH:
348 silc_fsm_next(fsm, silc_client_command_reply_watch);
350 case SILC_COMMAND_SILCOPER:
352 silc_fsm_next(fsm, silc_client_command_reply_silcoper);
354 case SILC_COMMAND_LEAVE:
356 silc_fsm_next(fsm, silc_client_command_reply_leave);
358 case SILC_COMMAND_USERS:
360 silc_fsm_next(fsm, silc_client_command_reply_users);
362 case SILC_COMMAND_GETKEY:
364 silc_fsm_next(fsm, silc_client_command_reply_getkey);
366 case SILC_COMMAND_SERVICE:
368 silc_fsm_next(fsm, silc_client_command_reply_service);
371 return SILC_FSM_FINISH;
374 return SILC_FSM_CONTINUE;
377 /* Completes command reply processing */
379 SILC_FSM_STATE(silc_client_command_reply_processed)
381 SilcClientCommandContext cmd = fsm_context;
382 SilcClientConnection conn = cmd->conn;
383 SilcCommandPayload payload = state_context;
385 silc_command_payload_free(payload);
387 if (cmd->status == SILC_STATUS_OK || cmd->status == SILC_STATUS_LIST_END ||
388 SILC_STATUS_IS_ERROR(cmd->status))
389 return SILC_FSM_FINISH;
391 /* Add back to pending command reply list */
392 silc_mutex_lock(conn->internal->lock);
393 cmd->resolved = FALSE;
394 silc_list_add(conn->internal->pending_commands, cmd);
395 silc_mutex_unlock(conn->internal->lock);
397 /** Wait more command payloads */
398 silc_fsm_next(fsm, silc_client_command_reply_wait);
399 return SILC_FSM_CONTINUE;
402 /******************************** WHOIS *************************************/
404 /* Received reply for WHOIS command. */
406 SILC_FSM_STATE(silc_client_command_reply_whois)
408 SilcClientCommandContext cmd = fsm_context;
409 SilcClientConnection conn = cmd->conn;
410 SilcClient client = conn->client;
411 SilcCommandPayload payload = state_context;
412 SilcArgumentPayload args = silc_command_get_args(payload);
413 SilcClientEntry client_entry = NULL;
414 SilcUInt32 idle = 0, mode = 0, fingerprint_len, len, *umodes = NULL;
415 SilcBufferStruct channels, ch_user_modes;
416 SilcBool has_channels = FALSE;
417 SilcDList channel_list = NULL;
419 char *nickname = NULL, *username = NULL, *realname = NULL;
420 unsigned char *fingerprint, *tmp;
422 CHECK_STATUS("WHOIS: ");
426 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
427 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
432 nickname = silc_argument_get_arg_type(args, 3, NULL);
433 username = silc_argument_get_arg_type(args, 4, NULL);
434 realname = silc_argument_get_arg_type(args, 5, NULL);
435 if (!nickname || !username || !realname) {
436 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
440 /* Get joined channel list */
441 memset(&channels, 0, sizeof(channels));
442 tmp = silc_argument_get_arg_type(args, 6, &len);
445 silc_buffer_set(&channels, tmp, len);
447 /* Get channel user mode list */
448 tmp = silc_argument_get_arg_type(args, 10, &len);
450 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
453 silc_buffer_set(&ch_user_modes, tmp, len);
457 tmp = silc_argument_get_arg_type(args, 7, &len);
459 SILC_GET32_MSB(mode, tmp);
462 tmp = silc_argument_get_arg_type(args, 8, &len);
464 SILC_GET32_MSB(idle, tmp);
466 /* Get fingerprint */
467 fingerprint = silc_argument_get_arg_type(args, 9, &fingerprint_len);
469 /* Check if we have this client cached already. */
470 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
472 SILC_LOG_DEBUG(("Adding new client entry (WHOIS)"));
474 silc_client_add_client(client, conn, nickname, username, realname,
475 &id.u.client_id, mode);
477 ERROR_CALLBACK(SILC_STATUS_ERR_RESOURCE_LIMIT);
480 silc_client_ref_client(client, conn, client_entry);
482 silc_client_update_client(client, conn, client_entry,
483 nickname, username, realname, mode);
486 silc_rwlock_wrlock(client_entry->internal.lock);
488 if (fingerprint && fingerprint_len == sizeof(client_entry->fingerprint))
489 memcpy(client_entry->fingerprint, fingerprint, fingerprint_len);
491 /* Get user attributes */
492 tmp = silc_argument_get_arg_type(args, 11, &len);
494 if (client_entry->attrs)
495 silc_attribute_payload_list_free(client_entry->attrs);
496 client_entry->attrs = silc_attribute_payload_parse(tmp, len);
499 silc_rwlock_unlock(client_entry->internal.lock);
501 /* Parse channel and channel user mode list */
503 channel_list = silc_channel_payload_parse_list(silc_buffer_data(&channels),
504 silc_buffer_len(&channels));
506 silc_get_mode_list(&ch_user_modes, silc_dlist_count(channel_list),
510 /* Notify application */
511 silc_client_command_callback(cmd, client_entry, nickname, username,
512 realname, channel_list, mode, idle, fingerprint,
513 umodes, client_entry->attrs);
515 silc_client_unref_client(client, conn, client_entry);
517 silc_channel_payload_list_free(channel_list);
522 silc_fsm_next(fsm, silc_client_command_reply_processed);
523 return SILC_FSM_CONTINUE;
526 /******************************** WHOWAS ************************************/
528 /* Received reply for WHOWAS command. */
530 SILC_FSM_STATE(silc_client_command_reply_whowas)
532 SilcClientCommandContext cmd = fsm_context;
533 SilcClientConnection conn = cmd->conn;
534 SilcClient client = conn->client;
535 SilcCommandPayload payload = state_context;
536 SilcArgumentPayload args = silc_command_get_args(payload);
537 SilcClientEntry client_entry = NULL;
539 char *nickname, *username;
540 char *realname = NULL;
542 CHECK_STATUS("WHOWAS: ");
546 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
547 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
551 /* Get the client entry */
552 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
555 nickname = silc_argument_get_arg_type(args, 3, NULL);
556 username = silc_argument_get_arg_type(args, 4, NULL);
557 realname = silc_argument_get_arg_type(args, 5, NULL);
558 if (!nickname || !username) {
559 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
563 /* Notify application. We don't save any history information to any
564 cache. Just pass the data to the application. */
565 silc_client_command_callback(cmd, client_entry, nickname, username,
569 silc_client_unref_client(client, conn, client_entry);
570 silc_fsm_next(fsm, silc_client_command_reply_processed);
571 return SILC_FSM_CONTINUE;
574 /******************************** IDENTIFY **********************************/
576 /* Received reply for IDENTIFY command. */
578 SILC_FSM_STATE(silc_client_command_reply_identify)
580 SilcClientCommandContext cmd = fsm_context;
581 SilcClientConnection conn = cmd->conn;
582 SilcClient client = conn->client;
583 SilcCommandPayload payload = state_context;
584 SilcArgumentPayload args = silc_command_get_args(payload);
585 SilcClientEntry client_entry;
586 SilcServerEntry server_entry;
587 SilcChannelEntry channel_entry;
590 char *name = NULL, *info = NULL;
592 CHECK_STATUS("IDENTIFY: ");
596 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
597 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
602 name = silc_argument_get_arg_type(args, 3, &len);
603 info = silc_argument_get_arg_type(args, 4, &len);
607 SILC_LOG_DEBUG(("Received client information"));
609 /* Check if we have this client cached already. */
610 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
612 SILC_LOG_DEBUG(("Adding new client entry (IDENTIFY)"));
614 silc_client_add_client(client, conn, name, info, NULL,
617 ERROR_CALLBACK(SILC_STATUS_ERR_RESOURCE_LIMIT);
620 silc_client_ref_client(client, conn, client_entry);
622 silc_client_update_client(client, conn, client_entry,
623 name, info, NULL, 0);
626 /* Notify application */
627 silc_client_command_callback(cmd, client_entry, name, info);
628 silc_client_unref_client(client, conn, client_entry);
632 SILC_LOG_DEBUG(("Received server information"));
634 /* Check if we have this server cached already. */
635 server_entry = silc_client_get_server_by_id(client, conn, &id.u.server_id);
637 SILC_LOG_DEBUG(("Adding new server entry (IDENTIFY)"));
638 server_entry = silc_client_add_server(client, conn, name, info,
641 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
644 silc_client_ref_server(client, conn, server_entry);
646 silc_client_update_server(client, conn, server_entry, name, info);
648 server_entry->internal.resolve_cmd_ident = 0;
650 /* Notify application */
651 silc_client_command_callback(cmd, server_entry, name, info);
652 silc_client_unref_server(client, conn, server_entry);
655 case SILC_ID_CHANNEL:
656 SILC_LOG_DEBUG(("Received channel information"));
658 /* Check if we have this channel cached already. */
659 channel_entry = silc_client_get_channel_by_id(client, conn,
661 if (!channel_entry) {
662 SILC_LOG_DEBUG(("Adding new channel entry (IDENTIFY)"));
665 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
669 /* Add new channel entry */
670 channel_entry = silc_client_add_channel(client, conn, name, 0,
672 if (!channel_entry) {
673 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
676 silc_client_ref_channel(client, conn, channel_entry);
679 /* Notify application */
680 silc_client_command_callback(cmd, channel_entry,
681 channel_entry->channel_name, info);
682 silc_client_unref_channel(client, conn, channel_entry);
687 silc_fsm_next(fsm, silc_client_command_reply_processed);
688 return SILC_FSM_CONTINUE;
691 /********************************** NICK ************************************/
693 /* Received reply for command NICK. */
695 SILC_FSM_STATE(silc_client_command_reply_nick)
697 SilcClientCommandContext cmd = fsm_context;
698 SilcClientConnection conn = cmd->conn;
699 SilcClient client = conn->client;
700 SilcCommandPayload payload = state_context;
701 SilcArgumentPayload args = silc_command_get_args(payload);
702 unsigned char *nick, *idp;
703 SilcUInt32 len, idp_len;
704 SilcClientID old_client_id;
708 CHECK_STATUS("Cannot set nickname: ");
711 /* Take received Client ID */
712 idp = silc_argument_get_arg_type(args, 2, &idp_len);
714 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
717 if (!silc_id_payload_parse_id(idp, idp_len, &id)) {
718 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
722 /* Take the new nickname */
723 nick = silc_argument_get_arg_type(args, 3, &len);
725 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
729 silc_rwlock_wrlock(conn->local_entry->internal.lock);
731 /* Change the nickname */
732 old_client_id = *conn->local_id;
733 if (!silc_client_change_nickname(client, conn, conn->local_entry,
734 nick, &id.u.client_id, idp, idp_len)) {
735 ERROR_CALLBACK(SILC_STATUS_ERR_BAD_NICKNAME);
736 silc_rwlock_unlock(conn->local_entry->internal.lock);
740 silc_rwlock_unlock(conn->local_entry->internal.lock);
742 /* Notify application */
743 silc_client_command_callback(cmd, conn->local_entry,
744 conn->local_entry->nickname, &old_client_id);
747 silc_fsm_next(fsm, silc_client_command_reply_processed);
748 return SILC_FSM_CONTINUE;
751 /********************************** LIST ************************************/
753 /* Received reply to the LIST command. */
755 SILC_FSM_STATE(silc_client_command_reply_list)
757 SilcClientCommandContext cmd = fsm_context;
758 SilcClientConnection conn = cmd->conn;
759 SilcClient client = conn->client;
760 SilcCommandPayload payload = state_context;
761 SilcArgumentPayload args = silc_command_get_args(payload);
762 unsigned char *tmp, *name, *topic;
763 SilcUInt32 usercount = 0;
764 SilcChannelEntry channel_entry = NULL;
768 CHECK_STATUS("Cannot list channels: ");
770 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
771 /* There were no channels in the network. */
772 silc_client_command_callback(cmd, NULL, NULL, NULL, 0);
773 silc_fsm_next(fsm, silc_client_command_reply_processed);
774 return SILC_FSM_CONTINUE;
779 name = silc_argument_get_arg_type(args, 3, NULL);
781 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
785 topic = silc_argument_get_arg_type(args, 4, NULL);
786 tmp = silc_argument_get_arg_type(args, 5, NULL);
788 SILC_GET32_MSB(usercount, tmp);
790 /* Check whether the channel exists, and add it to cache if it doesn't. */
791 channel_entry = silc_client_get_channel_by_id(client, conn,
793 if (!channel_entry) {
794 /* Add new channel entry */
795 channel_entry = silc_client_add_channel(client, conn, name, 0,
797 if (!channel_entry) {
798 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
801 silc_client_ref_channel(client, conn, channel_entry);
804 /* Notify application */
805 silc_client_command_callback(cmd, channel_entry, channel_entry->channel_name,
809 silc_client_unref_channel(client, conn, channel_entry);
810 silc_fsm_next(fsm, silc_client_command_reply_processed);
811 return SILC_FSM_CONTINUE;
814 /********************************* TOPIC ************************************/
816 /* Received reply to topic command. */
818 SILC_FSM_STATE(silc_client_command_reply_topic)
820 SilcClientCommandContext cmd = fsm_context;
821 SilcClientConnection conn = cmd->conn;
822 SilcClient client = conn->client;
823 SilcCommandPayload payload = state_context;
824 SilcArgumentPayload args = silc_command_get_args(payload);
825 SilcChannelEntry channel = NULL;
831 CHECK_STATUS("Cannot set topic: ");
834 /* Take Channel ID */
835 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
836 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
840 /* Get the channel entry */
841 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
843 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
847 silc_rwlock_wrlock(channel->internal.lock);
850 topic = silc_argument_get_arg_type(args, 3, &len);
852 silc_free(channel->topic);
853 channel->topic = silc_memdup(topic, len);
856 silc_rwlock_unlock(channel->internal.lock);
858 /* Notify application */
859 silc_client_command_callback(cmd, channel, channel->topic);
862 silc_client_unref_channel(client, conn, channel);
863 silc_fsm_next(fsm, silc_client_command_reply_processed);
864 return SILC_FSM_CONTINUE;
867 /********************************* INVITE ***********************************/
869 /* Received reply to invite command. */
871 SILC_FSM_STATE(silc_client_command_reply_invite)
873 SilcClientCommandContext cmd = fsm_context;
874 SilcClientConnection conn = cmd->conn;
875 SilcClient client = conn->client;
876 SilcCommandPayload payload = state_context;
877 SilcArgumentPayload args = silc_command_get_args(payload);
878 SilcChannelEntry channel = NULL;
881 SilcArgumentPayload invite_args = NULL;
885 CHECK_STATUS("Cannot invite: ");
888 /* Take Channel ID */
889 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
890 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
894 /* Get the channel entry */
895 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
897 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
901 /* Get the invite list */
902 tmp = silc_argument_get_arg_type(args, 3, &len);
904 invite_args = silc_argument_list_parse(tmp, len);
906 /* Notify application */
907 silc_client_command_callback(cmd, channel, invite_args);
910 silc_argument_payload_free(invite_args);
913 silc_client_unref_channel(client, conn, channel);
914 silc_fsm_next(fsm, silc_client_command_reply_processed);
915 return SILC_FSM_CONTINUE;
918 /********************************** KILL ************************************/
920 /* Received reply to the KILL command. */
922 SILC_FSM_STATE(silc_client_command_reply_kill)
924 SilcClientCommandContext cmd = fsm_context;
925 SilcClientConnection conn = cmd->conn;
926 SilcClient client = conn->client;
927 SilcCommandPayload payload = state_context;
928 SilcArgumentPayload args = silc_command_get_args(payload);
929 SilcClientEntry client_entry;
933 CHECK_STATUS("Cannot kill: ");
936 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
937 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
941 /* Get the client entry, if exists */
942 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
944 /* Notify application */
945 silc_client_command_callback(cmd, client_entry);
947 /* Remove the client */
949 silc_client_remove_from_channels(client, conn, client_entry);
950 silc_client_del_client(client, conn, client_entry);
951 silc_client_unref_client(client, conn, client_entry);
955 silc_fsm_next(fsm, silc_client_command_reply_processed);
956 return SILC_FSM_CONTINUE;
959 /********************************** INFO ************************************/
961 /* Received reply to INFO command. We receive the server ID and some
962 information about the server user requested. */
964 SILC_FSM_STATE(silc_client_command_reply_info)
966 SilcClientCommandContext cmd = fsm_context;
967 SilcClientConnection conn = cmd->conn;
968 SilcClient client = conn->client;
969 SilcCommandPayload payload = state_context;
970 SilcArgumentPayload args = silc_command_get_args(payload);
971 SilcServerEntry server;
972 char *server_name, *server_info;
976 CHECK_STATUS("Cannot get info: ");
980 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
981 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
985 /* Get server name */
986 server_name = silc_argument_get_arg_type(args, 3, NULL);
988 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
992 /* Get server info */
993 server_info = silc_argument_get_arg_type(args, 4, NULL);
995 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
999 /* See whether we have this server cached. If not create it. */
1000 server = silc_client_get_server_by_id(client, conn, &id.u.server_id);
1002 SILC_LOG_DEBUG(("Add new server entry (INFO)"));
1003 server = silc_client_add_server(client, conn, server_name,
1004 server_info, &id.u.server_id);
1007 silc_client_ref_server(client, conn, server);
1010 /* Notify application */
1011 silc_client_command_callback(cmd, server, server->server_name,
1012 server->server_info);
1013 silc_client_unref_server(client, conn, server);
1016 silc_fsm_next(fsm, silc_client_command_reply_processed);
1017 return SILC_FSM_CONTINUE;
1020 /********************************** STATS ***********************************/
1022 /* Received reply to STATS command. */
1024 SILC_FSM_STATE(silc_client_command_reply_stats)
1026 SilcClientCommandContext cmd = fsm_context;
1027 SilcCommandPayload payload = state_context;
1028 SilcArgumentPayload args = silc_command_get_args(payload);
1029 SilcClientStats stats;
1030 unsigned char *buf = NULL;
1031 SilcUInt32 buf_len = 0;
1036 CHECK_STATUS("Cannot get stats: ");
1040 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1041 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1045 /* Get statistics structure */
1046 memset(&stats, 0, sizeof(stats));
1047 buf = silc_argument_get_arg_type(args, 3, &buf_len);
1049 silc_buffer_set(&b, buf, buf_len);
1050 silc_buffer_unformat(&b,
1051 SILC_STR_UI_INT(&stats.starttime),
1052 SILC_STR_UI_INT(&stats.uptime),
1053 SILC_STR_UI_INT(&stats.my_clients),
1054 SILC_STR_UI_INT(&stats.my_channels),
1055 SILC_STR_UI_INT(&stats.my_server_ops),
1056 SILC_STR_UI_INT(&stats.my_router_ops),
1057 SILC_STR_UI_INT(&stats.cell_clients),
1058 SILC_STR_UI_INT(&stats.cell_channels),
1059 SILC_STR_UI_INT(&stats.cell_servers),
1060 SILC_STR_UI_INT(&stats.clients),
1061 SILC_STR_UI_INT(&stats.channels),
1062 SILC_STR_UI_INT(&stats.servers),
1063 SILC_STR_UI_INT(&stats.routers),
1064 SILC_STR_UI_INT(&stats.server_ops),
1065 SILC_STR_UI_INT(&stats.router_ops),
1069 /* Notify application */
1070 silc_client_command_callback(cmd, &stats);
1073 silc_fsm_next(fsm, silc_client_command_reply_processed);
1074 return SILC_FSM_CONTINUE;
1077 /********************************** PING ************************************/
1079 /* Received reply to PING command. */
1081 SILC_FSM_STATE(silc_client_command_reply_ping)
1083 SilcClientCommandContext cmd = fsm_context;
1084 SilcClientConnection conn = cmd->conn;
1085 SilcClient client = conn->client;
1088 diff = silc_time() - SILC_PTR_TO_64(cmd->context);
1090 SAY(client, conn, SILC_CLIENT_MESSAGE_INFO,
1091 "Ping reply from %s: %d second%s", conn->remote_host,
1092 (int)diff, diff == 1 ? "" : "s");
1094 /* Notify application */
1095 silc_client_command_callback(cmd);
1097 silc_fsm_next(fsm, silc_client_command_reply_processed);
1098 return SILC_FSM_CONTINUE;
1101 /********************************** JOIN ************************************/
1103 /* Continue JOIN command reply processing after resolving unknown users */
1106 silc_client_command_reply_join_resolved(SilcClient client,
1107 SilcClientConnection conn,
1112 SilcClientCommandContext cmd = context;
1113 SilcChannelEntry channel = cmd->context;
1114 SilcCommandPayload payload = silc_fsm_get_state_context(&cmd->thread);
1115 SilcArgumentPayload args = silc_command_get_args(payload);
1116 SilcUInt32 list_count;
1121 silc_snprintf(msg, sizeof(msg), "Error resolving channel %s user list",
1122 channel->channel_name);
1123 SAY(client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR, msg);
1125 tmp = silc_argument_get_arg_type(args, 12, NULL);
1127 SILC_GET32_MSB(list_count, tmp);
1128 if (list_count - silc_dlist_count(clients) > 5) {
1129 silc_snprintf(msg, sizeof(msg),
1130 "Channel %s user list was not fully resolved. "
1131 "The channel may not be fully synced.",
1132 channel->channel_name);
1133 SAY(client, conn, SILC_CLIENT_MESSAGE_WARNING, msg);
1138 channel->internal.resolve_cmd_ident = 0;
1139 silc_client_unref_channel(client, conn, channel);
1141 SILC_FSM_CALL_CONTINUE(&cmd->thread);
1145 /* Received reply for JOIN command. */
1147 SILC_FSM_STATE(silc_client_command_reply_join)
1149 SilcClientCommandContext cmd = fsm_context;
1150 SilcClientConnection conn = cmd->conn;
1151 SilcClient client = conn->client;
1152 SilcCommandPayload payload = state_context;
1153 SilcArgumentPayload args = silc_command_get_args(payload);
1154 SilcChannelEntry channel;
1155 SilcUInt32 mode = 0, len, list_count;
1156 char *topic, *tmp, *channel_name = NULL, *hmac;
1158 SilcBufferStruct client_id_list, client_mode_list, keyp;
1159 SilcHashTableList htl;
1164 CHECK_STATUS("Cannot join channel: ");
1167 /* Get channel name */
1168 channel_name = silc_argument_get_arg_type(args, 2, NULL);
1169 if (!channel_name) {
1170 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1174 /* Get Channel ID */
1175 if (!silc_argument_get_decoded(args, 3, SILC_ARGUMENT_ID, &id, NULL)) {
1176 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1180 /* Check whether we have this channel entry already. */
1181 channel = silc_client_get_channel(client, conn, channel_name);
1183 if (!SILC_ID_CHANNEL_COMPARE(&channel->id, &id.u.channel_id))
1184 silc_client_replace_channel_id(client, conn, channel, &id.u.channel_id);
1186 /* Create new channel entry */
1187 channel = silc_client_add_channel(client, conn, channel_name,
1188 mode, &id.u.channel_id);
1190 ERROR_CALLBACK(SILC_STATUS_ERR_BAD_CHANNEL);
1193 silc_client_ref_channel(client, conn, channel);
1196 /* Get the list count */
1197 tmp = silc_argument_get_arg_type(args, 12, &len);
1198 if (!tmp || len != 4) {
1199 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1202 SILC_GET32_MSB(list_count, tmp);
1204 /* Get Client ID list */
1205 tmp = silc_argument_get_arg_type(args, 13, &len);
1207 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1210 silc_buffer_set(&client_id_list, tmp, len);
1212 /* Resolve users we do not know about */
1213 if (!cmd->resolved) {
1214 cmd->resolved = TRUE;
1215 cmd->context = channel;
1216 SILC_FSM_CALL(channel->internal.resolve_cmd_ident =
1217 silc_client_get_clients_by_list(
1218 client, conn, list_count, &client_id_list,
1219 silc_client_command_reply_join_resolved, cmd));
1223 /* Get client mode list */
1224 tmp = silc_argument_get_arg_type(args, 14, &len);
1226 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1229 silc_buffer_set(&client_mode_list, tmp, len);
1231 silc_rwlock_wrlock(channel->internal.lock);
1233 /* Add clients we received in the reply to the channel */
1234 for (i = 0; i < list_count; i++) {
1237 SilcClientEntry client_entry;
1240 SILC_GET16_MSB(idp_len, client_id_list.data + 2);
1242 if (!silc_id_payload_parse_id(client_id_list.data, idp_len, &id))
1246 SILC_GET32_MSB(mode, client_mode_list.data);
1248 /* Get client entry */
1249 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
1250 if (client_entry && client_entry->internal.valid) {
1251 /* Join client to the channel */
1252 silc_rwlock_wrlock(client_entry->internal.lock);
1253 silc_client_add_to_channel(client, conn, channel, client_entry, mode);
1254 silc_rwlock_unlock(client_entry->internal.lock);
1256 silc_client_unref_client(client, conn, client_entry);
1258 if (!silc_buffer_pull(&client_id_list, idp_len)) {
1259 silc_rwlock_unlock(channel->internal.lock);
1262 if (!silc_buffer_pull(&client_mode_list, 4)) {
1263 silc_rwlock_unlock(channel->internal.lock);
1269 hmac = silc_argument_get_arg_type(args, 11, NULL);
1271 if (!silc_hmac_alloc(hmac, NULL, &channel->internal.hmac)) {
1273 SAY(client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
1274 "Cannot join channel: Unsupported HMAC `%s'", hmac);
1275 ERROR_CALLBACK(SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
1276 silc_rwlock_unlock(channel->internal.lock);
1281 /* Get channel mode */
1282 tmp = silc_argument_get_arg_type(args, 5, &len);
1283 if (tmp && len == 4)
1284 SILC_GET32_MSB(mode, tmp);
1285 channel->mode = mode;
1287 /* Get channel key and save it */
1288 tmp = silc_argument_get_arg_type(args, 7, &len);
1290 silc_buffer_set(&keyp, tmp, len);
1291 silc_client_save_channel_key(client, conn, &keyp, channel);
1295 topic = silc_argument_get_arg_type(args, 10, NULL);
1297 silc_free(channel->topic);
1298 channel->topic = silc_memdup(topic, strlen(topic));
1301 /* Get founder key */
1302 tmp = silc_argument_get_arg_type(args, 15, &len);
1304 if (channel->founder_key)
1305 silc_pkcs_public_key_free(channel->founder_key);
1306 channel->founder_key = NULL;
1307 silc_public_key_payload_decode(tmp, len, &channel->founder_key);
1310 /* Get user limit */
1311 tmp = silc_argument_get_arg_type(args, 17, &len);
1312 if (tmp && len == 4)
1313 SILC_GET32_MSB(channel->user_limit, tmp);
1314 if (!(channel->mode & SILC_CHANNEL_MODE_ULIMIT))
1315 channel->user_limit = 0;
1317 /* Get channel public key list */
1318 tmp = silc_argument_get_arg_type(args, 16, &len);
1320 silc_client_channel_save_public_keys(channel, tmp, len, FALSE);
1322 /* Set current channel */
1323 conn->current_channel = channel;
1325 silc_rwlock_unlock(channel->internal.lock);
1327 cipher = (channel->internal.send_key ?
1328 silc_cipher_get_name(channel->internal.send_key) : NULL);
1329 silc_hash_table_list(channel->user_list, &htl);
1331 /* Notify application */
1332 silc_client_command_callback(cmd, channel->channel_name, channel, mode, &htl,
1333 topic, cipher, hmac, channel->founder_key,
1334 channel->channel_pubkeys, channel->user_limit);
1336 silc_hash_table_list_reset(&htl);
1337 silc_client_unref_channel(client, conn, channel);
1340 silc_fsm_next(fsm, silc_client_command_reply_processed);
1341 return SILC_FSM_CONTINUE;
1344 /********************************** MOTD ************************************/
1346 /* Received reply for MOTD command */
1348 SILC_FSM_STATE(silc_client_command_reply_motd)
1350 SilcClientCommandContext cmd = fsm_context;
1351 SilcClientConnection conn = cmd->conn;
1352 SilcClient client = conn->client;
1353 SilcCommandPayload payload = state_context;
1354 SilcArgumentPayload args = silc_command_get_args(payload);
1356 char *motd = NULL, *cp, line[256];
1359 CHECK_STATUS("Cannot get motd: ");
1362 if (silc_argument_get_arg_num(args) == 3) {
1363 motd = silc_argument_get_arg_type(args, 3, NULL);
1365 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1372 if (cp[i++] == '\n') {
1373 memset(line, 0, sizeof(line));
1374 silc_strncat(line, sizeof(line), cp, i - 1);
1381 SAY(client, conn, SILC_CLIENT_MESSAGE_INFO, "%s", line);
1390 /* Notify application */
1391 silc_client_command_callback(cmd, motd);
1394 silc_fsm_next(fsm, silc_client_command_reply_processed);
1395 return SILC_FSM_CONTINUE;
1398 /********************************** UMODE ***********************************/
1400 /* Received reply to the UMODE command. Save the current user mode */
1402 SILC_FSM_STATE(silc_client_command_reply_umode)
1404 SilcClientCommandContext cmd = fsm_context;
1405 SilcClientConnection conn = cmd->conn;
1406 SilcCommandPayload payload = state_context;
1407 SilcArgumentPayload args = silc_command_get_args(payload);
1409 SilcUInt32 mode, len;
1412 CHECK_STATUS("Cannot change mode: ");
1415 tmp = silc_argument_get_arg_type(args, 2, &len);
1416 if (!tmp || len != 4) {
1417 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1421 SILC_GET32_MSB(mode, tmp);
1422 silc_rwlock_wrlock(conn->local_entry->internal.lock);
1423 conn->local_entry->mode = mode;
1424 silc_rwlock_unlock(conn->local_entry->internal.lock);
1426 /* Notify application */
1427 silc_client_command_callback(cmd, mode);
1430 silc_fsm_next(fsm, silc_client_command_reply_processed);
1431 return SILC_FSM_CONTINUE;
1434 /********************************** CMODE ***********************************/
1436 /* Received reply for CMODE command. */
1438 SILC_FSM_STATE(silc_client_command_reply_cmode)
1440 SilcClientCommandContext cmd = fsm_context;
1441 SilcClientConnection conn = cmd->conn;
1442 SilcClient client = conn->client;
1443 SilcCommandPayload payload = state_context;
1444 SilcArgumentPayload args = silc_command_get_args(payload);
1447 SilcChannelEntry channel = NULL;
1449 SilcPublicKey public_key = NULL;
1453 CHECK_STATUS("Cannot change mode: ");
1456 /* Take Channel ID */
1457 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1458 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1462 /* Get the channel entry */
1463 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1465 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1469 /* Get founder public key */
1470 tmp = silc_argument_get_arg_type(args, 4, &len);
1472 silc_public_key_payload_decode(tmp, len, &public_key);
1474 /* Get channel mode */
1475 tmp = silc_argument_get_arg_type(args, 3, &len);
1476 if (!tmp || len != 4) {
1477 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1480 SILC_GET32_MSB(mode, tmp);
1482 silc_rwlock_wrlock(channel->internal.lock);
1484 /* Get user limit */
1485 tmp = silc_argument_get_arg_type(args, 6, &len);
1486 if (tmp && len == 4)
1487 SILC_GET32_MSB(channel->user_limit, tmp);
1488 if (!(channel->mode & SILC_CHANNEL_MODE_ULIMIT))
1489 channel->user_limit = 0;
1491 /* Get channel public key(s) */
1492 tmp = silc_argument_get_arg_type(args, 5, &len);
1494 silc_client_channel_save_public_keys(channel, tmp, len, FALSE);
1495 else if (channel->mode & SILC_CHANNEL_MODE_CHANNEL_AUTH)
1496 silc_client_channel_save_public_keys(channel, NULL, 0, TRUE);
1499 channel->mode = mode;
1501 silc_rwlock_unlock(channel->internal.lock);
1503 /* Notify application */
1504 silc_client_command_callback(cmd, channel, mode, public_key,
1505 channel->channel_pubkeys, channel->user_limit);
1507 silc_rwlock_wrlock(channel->internal.lock);
1509 /* If founder key changed, update it */
1511 (!channel->founder_key ||
1512 !silc_pkcs_public_key_compare(public_key, channel->founder_key))) {
1513 if (channel->founder_key)
1514 silc_pkcs_public_key_free(channel->founder_key);
1515 channel->founder_key = public_key;
1519 silc_rwlock_unlock(channel->internal.lock);
1522 silc_client_unref_channel(client, conn, channel);
1524 silc_pkcs_public_key_free(public_key);
1525 silc_fsm_next(fsm, silc_client_command_reply_processed);
1526 return SILC_FSM_CONTINUE;
1529 /********************************** CUMODE **********************************/
1531 /* Received reply for CUMODE command */
1533 SILC_FSM_STATE(silc_client_command_reply_cumode)
1535 SilcClientCommandContext cmd = fsm_context;
1536 SilcClientConnection conn = cmd->conn;
1537 SilcClient client = conn->client;
1538 SilcCommandPayload payload = state_context;
1539 SilcArgumentPayload args = silc_command_get_args(payload);
1540 SilcClientEntry client_entry;
1541 SilcChannelEntry channel = NULL;
1542 SilcChannelUser chu;
1543 unsigned char *modev;
1544 SilcUInt32 len, mode;
1548 CHECK_STATUS("Cannot change mode: ");
1551 /* Get channel mode */
1552 modev = silc_argument_get_arg_type(args, 2, &len);
1553 if (!modev || len != 4) {
1554 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1557 SILC_GET32_MSB(mode, modev);
1559 /* Take Channel ID */
1560 if (!silc_argument_get_decoded(args, 3, SILC_ARGUMENT_ID, &id, NULL)) {
1561 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1565 /* Get the channel entry */
1566 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1568 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1573 if (!silc_argument_get_decoded(args, 4, SILC_ARGUMENT_ID, &id, NULL)) {
1574 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1578 /* Get client entry */
1579 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
1580 if (!client_entry) {
1581 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1586 silc_rwlock_wrlock(channel->internal.lock);
1587 chu = silc_client_on_channel(channel, client_entry);
1590 silc_rwlock_unlock(channel->internal.lock);
1592 /* Notify application */
1593 silc_client_command_callback(cmd, mode, channel, client_entry);
1595 silc_client_unref_client(client, conn, client_entry);
1598 silc_client_unref_channel(client, conn, channel);
1599 silc_fsm_next(fsm, silc_client_command_reply_processed);
1600 return SILC_FSM_CONTINUE;
1603 /********************************** KICK ************************************/
1605 SILC_FSM_STATE(silc_client_command_reply_kick)
1607 SilcClientCommandContext cmd = fsm_context;
1608 SilcClientConnection conn = cmd->conn;
1609 SilcClient client = conn->client;
1610 SilcCommandPayload payload = state_context;
1611 SilcArgumentPayload args = silc_command_get_args(payload);
1612 SilcClientEntry client_entry;
1613 SilcChannelEntry channel = NULL;
1617 CHECK_STATUS("Cannot kick: ");
1620 /* Take Channel ID */
1621 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1622 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1626 /* Get the channel entry */
1627 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1629 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1634 if (!silc_argument_get_decoded(args, 3, SILC_ARGUMENT_ID, &id, NULL)) {
1635 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1639 /* Get client entry */
1640 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
1641 if (!client_entry) {
1642 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1646 /* Notify application */
1647 silc_client_command_callback(cmd, channel, client_entry);
1649 silc_client_unref_client(client, conn, client_entry);
1652 silc_client_unref_channel(client, conn, channel);
1653 silc_fsm_next(fsm, silc_client_command_reply_processed);
1654 return SILC_FSM_CONTINUE;
1657 /******************************** SILCOPER **********************************/
1659 SILC_FSM_STATE(silc_client_command_reply_silcoper)
1661 SilcClientCommandContext cmd = fsm_context;
1662 SilcCommandPayload payload = state_context;
1663 SilcArgumentPayload args = silc_command_get_args(payload);
1666 CHECK_STATUS("Cannot change mode: ");
1670 cmd->conn->local_entry->mode |= SILC_UMODE_ROUTER_OPERATOR;
1672 /* Notify application */
1673 silc_client_command_callback(cmd);
1675 silc_fsm_next(fsm, silc_client_command_reply_processed);
1676 return SILC_FSM_CONTINUE;
1679 /********************************** OPER ************************************/
1681 SILC_FSM_STATE(silc_client_command_reply_oper)
1683 SilcClientCommandContext cmd = fsm_context;
1684 SilcCommandPayload payload = state_context;
1685 SilcArgumentPayload args = silc_command_get_args(payload);
1688 CHECK_STATUS("Cannot change mode: ");
1692 cmd->conn->local_entry->mode |= SILC_UMODE_SERVER_OPERATOR;
1694 /* Notify application */
1695 silc_client_command_callback(cmd);
1697 silc_fsm_next(fsm, silc_client_command_reply_processed);
1698 return SILC_FSM_CONTINUE;
1701 /********************************* DETACH ***********************************/
1703 SILC_FSM_STATE(silc_client_command_reply_detach)
1705 SilcClientCommandContext cmd = fsm_context;
1706 SilcClientConnection conn = cmd->conn;
1707 SilcClient client = conn->client;
1708 SilcCommandPayload payload = state_context;
1709 SilcArgumentPayload args = silc_command_get_args(payload);
1713 CHECK_STATUS("Cannot detach: ");
1716 /* Get detachment data */
1717 detach = silc_client_get_detach_data(client, conn);
1719 ERROR_CALLBACK(SILC_STATUS_ERR_RESOURCE_LIMIT);
1723 /* Notify application */
1724 silc_client_command_callback(cmd, detach);
1725 silc_buffer_free(detach);
1728 silc_fsm_next(fsm, silc_client_command_reply_processed);
1729 return SILC_FSM_CONTINUE;
1732 /********************************** WATCH ***********************************/
1734 SILC_FSM_STATE(silc_client_command_reply_watch)
1736 SilcClientCommandContext cmd = fsm_context;
1737 SilcCommandPayload payload = state_context;
1738 SilcArgumentPayload args = silc_command_get_args(payload);
1741 CHECK_STATUS("Cannot set watch: ");
1744 /* Notify application */
1745 silc_client_command_callback(cmd);
1747 silc_fsm_next(fsm, silc_client_command_reply_processed);
1748 return SILC_FSM_CONTINUE;
1751 /*********************************** BAN ************************************/
1753 SILC_FSM_STATE(silc_client_command_reply_ban)
1755 SilcClientCommandContext cmd = fsm_context;
1756 SilcClientConnection conn = cmd->conn;
1757 SilcClient client = conn->client;
1758 SilcCommandPayload payload = state_context;
1759 SilcArgumentPayload args = silc_command_get_args(payload);
1760 SilcChannelEntry channel = NULL;
1763 SilcArgumentPayload invite_args = NULL;
1767 CHECK_STATUS("Cannot set ban: ");
1770 /* Take Channel ID */
1771 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1772 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1776 /* Get the channel entry */
1777 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1779 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1783 /* Get the invite list */
1784 tmp = silc_argument_get_arg_type(args, 3, &len);
1786 invite_args = silc_argument_list_parse(tmp, len);
1788 /* Notify application */
1789 silc_client_command_callback(cmd, channel, invite_args);
1792 silc_argument_payload_free(invite_args);
1795 silc_client_unref_channel(client, conn, channel);
1796 silc_fsm_next(fsm, silc_client_command_reply_processed);
1797 return SILC_FSM_CONTINUE;
1800 /********************************** LEAVE ***********************************/
1802 /* Reply to LEAVE command. */
1804 SILC_FSM_STATE(silc_client_command_reply_leave)
1806 SilcClientCommandContext cmd = fsm_context;
1807 SilcClientConnection conn = cmd->conn;
1808 SilcClient client = conn->client;
1809 SilcCommandPayload payload = state_context;
1810 SilcArgumentPayload args = silc_command_get_args(payload);
1811 SilcChannelEntry channel;
1815 CHECK_STATUS("Cannot set leave: ");
1818 /* Get Channel ID */
1819 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1820 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1824 /* Get the channel entry */
1825 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1827 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1831 /* Remove us from this channel. */
1832 silc_client_remove_from_channel(client, conn, channel, conn->local_entry);
1834 /* Notify application */
1835 silc_client_command_callback(cmd, channel);
1837 /* Now delete the channel. */
1838 silc_client_empty_channel(client, conn, channel);
1839 silc_client_del_channel(client, conn, channel);
1842 silc_fsm_next(fsm, silc_client_command_reply_processed);
1843 return SILC_FSM_CONTINUE;
1846 /********************************* USERS ************************************/
1848 /* Continue USERS command reply processing after resolving unknown users */
1851 silc_client_command_reply_users_resolved(SilcClient client,
1852 SilcClientConnection conn,
1857 SilcClientCommandContext cmd = context;
1858 SILC_FSM_CALL_CONTINUE(&cmd->thread);
1862 /* Continue USERS command after resolving unknown channel */
1865 silc_client_command_reply_users_continue(SilcClient client,
1866 SilcClientConnection conn,
1871 SilcClientCommandContext cmd = context;
1874 SilcCommandPayload payload = silc_fsm_get_state_context(&cmd->thread);
1875 SilcArgumentPayload args = silc_command_get_args(payload);
1877 cmd->status = SILC_STATUS_ERR_NO_SUCH_CHANNEL_ID;
1878 ERROR_CALLBACK(cmd->status);
1879 silc_fsm_next(&cmd->thread, silc_client_command_reply_processed);
1882 SILC_FSM_CALL_CONTINUE(&cmd->thread);
1885 /* Reply to USERS command. Received list of client ID's and theirs modes
1886 on the channel we requested. */
1888 SILC_FSM_STATE(silc_client_command_reply_users)
1890 SilcClientCommandContext cmd = fsm_context;
1891 SilcClientConnection conn = cmd->conn;
1892 SilcClient client = conn->client;
1893 SilcCommandPayload payload = state_context;
1894 SilcArgumentPayload args = silc_command_get_args(payload);
1896 SilcUInt32 tmp_len, list_count, mode;
1898 SilcHashTableList htl;
1899 SilcBufferStruct client_id_list, client_mode_list;
1900 SilcChannelEntry channel = NULL;
1901 SilcClientEntry client_entry;
1906 CHECK_STATUS("Cannot get users: ");
1909 /* Get channel ID */
1910 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1911 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1915 /* Get channel entry */
1916 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1918 /* Resolve the channel from server */
1919 SILC_FSM_CALL(silc_client_get_channel_by_id_resolve(
1920 client, conn, &id.u.channel_id,
1921 silc_client_command_reply_users_continue, cmd));
1925 /* Get the list count */
1926 tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
1927 if (!tmp || tmp_len != 4) {
1928 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1931 SILC_GET32_MSB(list_count, tmp);
1933 /* Get Client ID list */
1934 tmp = silc_argument_get_arg_type(args, 4, &tmp_len);
1936 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1939 silc_buffer_set(&client_id_list, tmp, tmp_len);
1941 /* Resolve users we do not know about */
1942 if (!cmd->resolved) {
1943 cmd->resolved = TRUE;
1944 silc_client_unref_channel(client, conn, channel);
1945 SILC_FSM_CALL(silc_client_get_clients_by_list(
1946 client, conn, list_count, &client_id_list,
1947 silc_client_command_reply_users_resolved, cmd));
1951 /* Get client mode list */
1952 tmp = silc_argument_get_arg_type(args, 5, &tmp_len);
1954 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1957 silc_buffer_set(&client_mode_list, tmp, tmp_len);
1959 SILC_LOG_DEBUG(("channel %s, %d users", channel->channel_name, list_count));
1961 silc_rwlock_wrlock(channel->internal.lock);
1963 /* Cache the received Client ID's and modes. */
1964 for (i = 0; i < list_count; i++) {
1965 SILC_GET16_MSB(idp_len, client_id_list.data + 2);
1967 if (!silc_id_payload_parse_id(client_id_list.data, idp_len, &id))
1971 SILC_GET32_MSB(mode, client_mode_list.data);
1973 /* Save the client on this channel. Unknown clients are ignored as they
1974 clearly do not exist since the resolving didn't find them. */
1975 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
1976 if (client_entry && client_entry->internal.valid) {
1977 silc_rwlock_wrlock(client_entry->internal.lock);
1978 silc_client_add_to_channel(client, conn, channel, client_entry, mode);
1979 silc_rwlock_unlock(client_entry->internal.lock);
1981 silc_client_unref_client(client, conn, client_entry);
1983 if (!silc_buffer_pull(&client_id_list, idp_len)) {
1984 silc_rwlock_unlock(channel->internal.lock);
1987 if (!silc_buffer_pull(&client_mode_list, 4)) {
1988 silc_rwlock_unlock(channel->internal.lock);
1993 silc_rwlock_unlock(channel->internal.lock);
1995 /* Notify application */
1996 silc_hash_table_list(channel->user_list, &htl);
1997 silc_client_command_callback(cmd, channel, &htl);
1998 silc_hash_table_list_reset(&htl);
2001 silc_client_unref_channel(client, conn, channel);
2002 silc_fsm_next(fsm, silc_client_command_reply_processed);
2003 return SILC_FSM_CONTINUE;
2006 /********************************** GETKEY **********************************/
2008 /* Received command reply to GETKEY command. WE've received the remote
2009 client's public key. */
2011 SILC_FSM_STATE(silc_client_command_reply_getkey)
2013 SilcClientCommandContext cmd = fsm_context;
2014 SilcClientConnection conn = cmd->conn;
2015 SilcClient client = conn->client;
2016 SilcCommandPayload payload = state_context;
2017 SilcArgumentPayload args = silc_command_get_args(payload);
2018 SilcClientEntry client_entry;
2019 SilcServerEntry server_entry;
2022 SilcPublicKey public_key;
2026 CHECK_STATUS("Cannot get key: ");
2030 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
2031 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2035 /* Get the public key */
2036 tmp = silc_argument_get_arg_type(args, 3, &len);
2038 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2041 if (!silc_public_key_payload_decode(tmp, len, &public_key)) {
2042 SAY(client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
2043 "Cannot decode public key: malformed/unsupported public key");
2044 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2048 if (id.type == SILC_ID_CLIENT) {
2049 /* Received client's public key */
2050 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
2051 if (!client_entry) {
2052 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2056 silc_rwlock_wrlock(client_entry->internal.lock);
2058 /* Save fingerprint */
2059 if (!client_entry->fingerprint)
2060 silc_hash_make(conn->internal->sha1hash, tmp + 4, len - 4,
2061 client_entry->fingerprint);
2062 if (!client_entry->public_key) {
2063 client_entry->public_key = public_key;
2067 silc_rwlock_unlock(client_entry->internal.lock);
2069 /* Notify application */
2070 silc_client_command_callback(cmd, SILC_ID_CLIENT, client_entry,
2071 client_entry->public_key);
2072 silc_client_unref_client(client, conn, client_entry);
2073 } else if (id.type == SILC_ID_SERVER) {
2074 /* Received server's public key */
2075 server_entry = silc_client_get_server_by_id(client, conn, &id.u.server_id);
2076 if (!server_entry) {
2077 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2081 silc_rwlock_wrlock(server_entry->internal.lock);
2083 if (!server_entry->public_key) {
2084 server_entry->public_key = public_key;
2088 silc_rwlock_unlock(server_entry->internal.lock);
2090 /* Notify application */
2091 silc_client_command_callback(cmd, SILC_ID_SERVER, server_entry,
2092 server_entry->public_key);
2093 silc_client_unref_server(client, conn, server_entry);
2098 silc_pkcs_public_key_free(public_key);
2099 silc_fsm_next(fsm, silc_client_command_reply_processed);
2100 return SILC_FSM_CONTINUE;
2103 /********************************** SERVICE *********************************/
2105 /* Reply to SERVICE command. */
2106 /* XXX incomplete */
2108 SILC_FSM_STATE(silc_client_command_reply_service)
2110 SilcClientCommandContext cmd = fsm_context;
2111 SilcCommandPayload payload = state_context;
2112 SilcArgumentPayload args = silc_command_get_args(payload);
2114 unsigned char *service_list, *name;
2117 CHECK_STATUS("Cannot get service: ");
2119 /* Get service list */
2120 service_list = silc_argument_get_arg_type(args, 2, &tmp_len);
2122 /* Get requested service name */
2123 name = silc_argument_get_arg_type(args, 3, &tmp_len);
2125 /* Notify application */
2126 silc_client_command_callback(cmd, service_list, name);
2128 silc_fsm_next(fsm, silc_client_command_reply_processed);
2129 return SILC_FSM_CONTINUE;
2132 /*********************************** QUIT ***********************************/
2134 /* QUIT command reply stub */
2136 SILC_FSM_STATE(silc_client_command_reply_quit)
2138 silc_fsm_next(fsm, silc_client_command_reply_processed);
2139 return SILC_FSM_CONTINUE;