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;
1115 channel->internal.resolve_cmd_ident = 0;
1116 silc_client_unref_channel(client, conn, channel);
1118 SILC_FSM_CALL_CONTINUE_SYNC(&cmd->thread);
1122 /* Received reply for JOIN command. */
1124 SILC_FSM_STATE(silc_client_command_reply_join)
1126 SilcClientCommandContext cmd = fsm_context;
1127 SilcClientConnection conn = cmd->conn;
1128 SilcClient client = conn->client;
1129 SilcCommandPayload payload = state_context;
1130 SilcArgumentPayload args = silc_command_get_args(payload);
1131 SilcChannelEntry channel;
1132 SilcUInt32 mode = 0, len, list_count;
1133 char *topic, *tmp, *channel_name = NULL, *hmac;
1135 SilcBufferStruct client_id_list, client_mode_list, keyp;
1136 SilcHashTableList htl;
1141 CHECK_STATUS("Cannot join channel: ");
1144 /* Get channel name */
1145 channel_name = silc_argument_get_arg_type(args, 2, NULL);
1146 if (!channel_name) {
1147 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1151 /* Get Channel ID */
1152 if (!silc_argument_get_decoded(args, 3, SILC_ARGUMENT_ID, &id, NULL)) {
1153 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1157 /* Check whether we have this channel entry already. */
1158 channel = silc_client_get_channel(client, conn, channel_name);
1160 if (!SILC_ID_CHANNEL_COMPARE(&channel->id, &id.u.channel_id))
1161 silc_client_replace_channel_id(client, conn, channel, &id.u.channel_id);
1163 /* Create new channel entry */
1164 channel = silc_client_add_channel(client, conn, channel_name,
1165 mode, &id.u.channel_id);
1167 ERROR_CALLBACK(SILC_STATUS_ERR_BAD_CHANNEL);
1170 silc_client_ref_channel(client, conn, channel);
1173 /* Get the list count */
1174 tmp = silc_argument_get_arg_type(args, 12, &len);
1176 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1179 SILC_GET32_MSB(list_count, tmp);
1181 /* Get Client ID list */
1182 tmp = silc_argument_get_arg_type(args, 13, &len);
1184 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1187 silc_buffer_set(&client_id_list, tmp, len);
1189 /* Resolve users we do not know about */
1190 if (!cmd->resolved) {
1191 cmd->resolved = TRUE;
1192 cmd->context = channel;
1193 SILC_FSM_CALL(channel->internal.resolve_cmd_ident =
1194 silc_client_get_clients_by_list(
1195 client, conn, list_count, &client_id_list,
1196 silc_client_command_reply_join_resolved, cmd));
1200 /* Get client mode list */
1201 tmp = silc_argument_get_arg_type(args, 14, &len);
1203 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1206 silc_buffer_set(&client_mode_list, tmp, len);
1208 silc_rwlock_wrlock(channel->internal.lock);
1210 /* Add clients we received in the reply to the channel */
1211 for (i = 0; i < list_count; i++) {
1215 SilcClientEntry client_entry;
1218 SILC_GET16_MSB(idp_len, client_id_list.data + 2);
1220 if (!silc_id_payload_parse_id(client_id_list.data, idp_len, &id))
1224 SILC_GET32_MSB(mode, client_mode_list.data);
1226 /* Get client entry */
1227 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
1228 if (client_entry && client_entry->internal.valid) {
1229 /* Join client to the channel */
1230 silc_rwlock_wrlock(client_entry->internal.lock);
1231 silc_client_add_to_channel(client, conn, channel, client_entry, mode);
1232 silc_rwlock_unlock(client_entry->internal.lock);
1234 silc_client_unref_client(client, conn, client_entry);
1236 if (!silc_buffer_pull(&client_id_list, idp_len)) {
1237 silc_rwlock_unlock(channel->internal.lock);
1240 if (!silc_buffer_pull(&client_mode_list, 4)) {
1241 silc_rwlock_unlock(channel->internal.lock);
1247 hmac = silc_argument_get_arg_type(args, 11, NULL);
1249 if (!silc_hmac_alloc(hmac, NULL, &channel->internal.hmac)) {
1251 SAY(client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
1252 "Cannot join channel: Unsupported HMAC `%s'", hmac);
1253 ERROR_CALLBACK(SILC_STATUS_ERR_UNKNOWN_ALGORITHM);
1254 silc_rwlock_unlock(channel->internal.lock);
1259 /* Get channel mode */
1260 tmp = silc_argument_get_arg_type(args, 5, &len);
1261 if (tmp && len == 4)
1262 SILC_GET32_MSB(mode, tmp);
1263 channel->mode = mode;
1265 /* Get channel key and save it */
1266 tmp = silc_argument_get_arg_type(args, 7, &len);
1268 /* If channel key already exists on the channel then while resolving
1269 the user list we have already received new key from server. Don't
1270 replace it with this old key. */
1271 if (!channel->internal.send_key) {
1272 silc_buffer_set(&keyp, tmp, len);
1273 silc_client_save_channel_key(client, conn, &keyp, channel);
1278 topic = silc_argument_get_arg_type(args, 10, NULL);
1280 silc_free(channel->topic);
1281 channel->topic = silc_memdup(topic, strlen(topic));
1284 /* Get founder key */
1285 tmp = silc_argument_get_arg_type(args, 15, &len);
1287 if (channel->founder_key)
1288 silc_pkcs_public_key_free(channel->founder_key);
1289 channel->founder_key = NULL;
1290 silc_public_key_payload_decode(tmp, len, &channel->founder_key);
1293 /* Get user limit */
1294 tmp = silc_argument_get_arg_type(args, 17, &len);
1295 if (tmp && len == 4)
1296 SILC_GET32_MSB(channel->user_limit, tmp);
1297 if (!(channel->mode & SILC_CHANNEL_MODE_ULIMIT))
1298 channel->user_limit = 0;
1300 /* Get channel public key list */
1301 tmp = silc_argument_get_arg_type(args, 16, &len);
1303 silc_client_channel_save_public_keys(channel, tmp, len, FALSE);
1305 /* Set current channel */
1306 conn->current_channel = channel;
1308 silc_rwlock_unlock(channel->internal.lock);
1310 cipher = (channel->internal.send_key ?
1311 silc_cipher_get_name(channel->internal.send_key) : NULL);
1312 silc_hash_table_list(channel->user_list, &htl);
1314 /* Notify application */
1315 silc_client_command_callback(cmd, channel->channel_name, channel, mode, &htl,
1316 topic, cipher, hmac, channel->founder_key,
1317 channel->channel_pubkeys, channel->user_limit);
1319 silc_hash_table_list_reset(&htl);
1320 silc_client_unref_channel(client, conn, channel);
1323 silc_fsm_next(fsm, silc_client_command_reply_processed);
1324 return SILC_FSM_CONTINUE;
1327 /********************************** MOTD ************************************/
1329 /* Received reply for MOTD command */
1331 SILC_FSM_STATE(silc_client_command_reply_motd)
1333 SilcClientCommandContext cmd = fsm_context;
1334 SilcClientConnection conn = cmd->conn;
1335 SilcClient client = conn->client;
1336 SilcCommandPayload payload = state_context;
1337 SilcArgumentPayload args = silc_command_get_args(payload);
1339 char *motd = NULL, *cp, line[256];
1342 CHECK_STATUS("Cannot get motd: ");
1345 if (silc_argument_get_arg_num(args) == 3) {
1346 motd = silc_argument_get_arg_type(args, 3, NULL);
1348 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1355 if (cp[i++] == '\n') {
1356 memset(line, 0, sizeof(line));
1357 silc_strncat(line, sizeof(line), cp, i - 1);
1364 SAY(client, conn, SILC_CLIENT_MESSAGE_INFO, "%s", line);
1373 /* Notify application */
1374 silc_client_command_callback(cmd, motd);
1377 silc_fsm_next(fsm, silc_client_command_reply_processed);
1378 return SILC_FSM_CONTINUE;
1381 /********************************** UMODE ***********************************/
1383 /* Received reply to the UMODE command. Save the current user mode */
1385 SILC_FSM_STATE(silc_client_command_reply_umode)
1387 SilcClientCommandContext cmd = fsm_context;
1388 SilcClientConnection conn = cmd->conn;
1389 SilcCommandPayload payload = state_context;
1390 SilcArgumentPayload args = silc_command_get_args(payload);
1392 SilcUInt32 mode, len;
1395 CHECK_STATUS("Cannot change mode: ");
1398 tmp = silc_argument_get_arg_type(args, 2, &len);
1399 if (!tmp || len != 4) {
1400 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1404 SILC_GET32_MSB(mode, tmp);
1405 silc_rwlock_wrlock(conn->local_entry->internal.lock);
1406 conn->local_entry->mode = mode;
1407 silc_rwlock_unlock(conn->local_entry->internal.lock);
1409 /* Notify application */
1410 silc_client_command_callback(cmd, mode);
1413 silc_fsm_next(fsm, silc_client_command_reply_processed);
1414 return SILC_FSM_CONTINUE;
1417 /********************************** CMODE ***********************************/
1419 /* Received reply for CMODE command. */
1421 SILC_FSM_STATE(silc_client_command_reply_cmode)
1423 SilcClientCommandContext cmd = fsm_context;
1424 SilcClientConnection conn = cmd->conn;
1425 SilcClient client = conn->client;
1426 SilcCommandPayload payload = state_context;
1427 SilcArgumentPayload args = silc_command_get_args(payload);
1430 SilcChannelEntry channel = NULL;
1432 SilcPublicKey public_key = NULL;
1436 CHECK_STATUS("Cannot change mode: ");
1439 /* Take Channel ID */
1440 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1441 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1445 /* Get the channel entry */
1446 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1448 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1452 /* Get founder public key */
1453 tmp = silc_argument_get_arg_type(args, 4, &len);
1455 silc_public_key_payload_decode(tmp, len, &public_key);
1457 /* Get channel mode */
1458 tmp = silc_argument_get_arg_type(args, 3, &len);
1459 if (!tmp || len != 4) {
1460 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1463 SILC_GET32_MSB(mode, tmp);
1465 silc_rwlock_wrlock(channel->internal.lock);
1467 /* Get user limit */
1468 tmp = silc_argument_get_arg_type(args, 6, &len);
1469 if (tmp && len == 4)
1470 SILC_GET32_MSB(channel->user_limit, tmp);
1471 if (!(channel->mode & SILC_CHANNEL_MODE_ULIMIT))
1472 channel->user_limit = 0;
1474 /* Get channel public key(s) */
1475 tmp = silc_argument_get_arg_type(args, 5, &len);
1477 silc_client_channel_save_public_keys(channel, tmp, len, FALSE);
1478 else if (channel->mode & SILC_CHANNEL_MODE_CHANNEL_AUTH)
1479 silc_client_channel_save_public_keys(channel, NULL, 0, TRUE);
1482 channel->mode = mode;
1484 silc_rwlock_unlock(channel->internal.lock);
1486 /* Notify application */
1487 silc_client_command_callback(cmd, channel, mode, public_key,
1488 channel->channel_pubkeys, channel->user_limit);
1491 silc_client_unref_channel(client, conn, channel);
1493 silc_pkcs_public_key_free(public_key);
1494 silc_fsm_next(fsm, silc_client_command_reply_processed);
1495 return SILC_FSM_CONTINUE;
1498 /********************************** CUMODE **********************************/
1500 /* Received reply for CUMODE command */
1502 SILC_FSM_STATE(silc_client_command_reply_cumode)
1504 SilcClientCommandContext cmd = fsm_context;
1505 SilcClientConnection conn = cmd->conn;
1506 SilcClient client = conn->client;
1507 SilcCommandPayload payload = state_context;
1508 SilcArgumentPayload args = silc_command_get_args(payload);
1509 SilcClientEntry client_entry;
1510 SilcChannelEntry channel = NULL;
1511 SilcChannelUser chu;
1512 unsigned char *modev;
1513 SilcUInt32 len, mode;
1517 CHECK_STATUS("Cannot change mode: ");
1520 /* Get channel mode */
1521 modev = silc_argument_get_arg_type(args, 2, &len);
1522 if (!modev || len != 4) {
1523 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1526 SILC_GET32_MSB(mode, modev);
1528 /* Take Channel ID */
1529 if (!silc_argument_get_decoded(args, 3, SILC_ARGUMENT_ID, &id, NULL)) {
1530 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1534 /* Get the channel entry */
1535 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1537 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1542 if (!silc_argument_get_decoded(args, 4, SILC_ARGUMENT_ID, &id, NULL)) {
1543 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1547 /* Get client entry */
1548 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
1549 if (!client_entry) {
1550 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1555 silc_rwlock_wrlock(channel->internal.lock);
1556 chu = silc_client_on_channel(channel, client_entry);
1559 silc_rwlock_unlock(channel->internal.lock);
1561 /* Notify application */
1562 silc_client_command_callback(cmd, mode, channel, client_entry);
1564 silc_client_unref_client(client, conn, client_entry);
1567 silc_client_unref_channel(client, conn, channel);
1568 silc_fsm_next(fsm, silc_client_command_reply_processed);
1569 return SILC_FSM_CONTINUE;
1572 /********************************** KICK ************************************/
1574 SILC_FSM_STATE(silc_client_command_reply_kick)
1576 SilcClientCommandContext cmd = fsm_context;
1577 SilcClientConnection conn = cmd->conn;
1578 SilcClient client = conn->client;
1579 SilcCommandPayload payload = state_context;
1580 SilcArgumentPayload args = silc_command_get_args(payload);
1581 SilcClientEntry client_entry;
1582 SilcChannelEntry channel = NULL;
1586 CHECK_STATUS("Cannot kick: ");
1589 /* Take Channel ID */
1590 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1591 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1595 /* Get the channel entry */
1596 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1598 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1603 if (!silc_argument_get_decoded(args, 3, SILC_ARGUMENT_ID, &id, NULL)) {
1604 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1608 /* Get client entry */
1609 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
1610 if (!client_entry) {
1611 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1615 /* Notify application */
1616 silc_client_command_callback(cmd, channel, client_entry);
1618 silc_client_unref_client(client, conn, client_entry);
1621 silc_client_unref_channel(client, conn, channel);
1622 silc_fsm_next(fsm, silc_client_command_reply_processed);
1623 return SILC_FSM_CONTINUE;
1626 /******************************** SILCOPER **********************************/
1628 SILC_FSM_STATE(silc_client_command_reply_silcoper)
1630 SilcClientCommandContext cmd = fsm_context;
1631 SilcCommandPayload payload = state_context;
1632 SilcArgumentPayload args = silc_command_get_args(payload);
1635 CHECK_STATUS("Cannot change mode: ");
1639 cmd->conn->local_entry->mode |= SILC_UMODE_ROUTER_OPERATOR;
1641 /* Notify application */
1642 silc_client_command_callback(cmd);
1644 silc_fsm_next(fsm, silc_client_command_reply_processed);
1645 return SILC_FSM_CONTINUE;
1648 /********************************** OPER ************************************/
1650 SILC_FSM_STATE(silc_client_command_reply_oper)
1652 SilcClientCommandContext cmd = fsm_context;
1653 SilcCommandPayload payload = state_context;
1654 SilcArgumentPayload args = silc_command_get_args(payload);
1657 CHECK_STATUS("Cannot change mode: ");
1661 cmd->conn->local_entry->mode |= SILC_UMODE_SERVER_OPERATOR;
1663 /* Notify application */
1664 silc_client_command_callback(cmd);
1666 silc_fsm_next(fsm, silc_client_command_reply_processed);
1667 return SILC_FSM_CONTINUE;
1670 /********************************* DETACH ***********************************/
1672 SILC_FSM_STATE(silc_client_command_reply_detach)
1674 SilcClientCommandContext cmd = fsm_context;
1675 SilcClientConnection conn = cmd->conn;
1676 SilcClient client = conn->client;
1677 SilcCommandPayload payload = state_context;
1678 SilcArgumentPayload args = silc_command_get_args(payload);
1682 CHECK_STATUS("Cannot detach: ");
1685 /* Get detachment data */
1686 detach = silc_client_get_detach_data(client, conn);
1688 ERROR_CALLBACK(SILC_STATUS_ERR_RESOURCE_LIMIT);
1692 /* Notify application */
1693 silc_client_command_callback(cmd, detach);
1694 silc_buffer_free(detach);
1697 silc_fsm_next(fsm, silc_client_command_reply_processed);
1698 return SILC_FSM_CONTINUE;
1701 /********************************** WATCH ***********************************/
1703 SILC_FSM_STATE(silc_client_command_reply_watch)
1705 SilcClientCommandContext cmd = fsm_context;
1706 SilcCommandPayload payload = state_context;
1707 SilcArgumentPayload args = silc_command_get_args(payload);
1710 CHECK_STATUS("Cannot set watch: ");
1713 /* Notify application */
1714 silc_client_command_callback(cmd);
1716 silc_fsm_next(fsm, silc_client_command_reply_processed);
1717 return SILC_FSM_CONTINUE;
1720 /*********************************** BAN ************************************/
1722 SILC_FSM_STATE(silc_client_command_reply_ban)
1724 SilcClientCommandContext cmd = fsm_context;
1725 SilcClientConnection conn = cmd->conn;
1726 SilcClient client = conn->client;
1727 SilcCommandPayload payload = state_context;
1728 SilcArgumentPayload args = silc_command_get_args(payload);
1729 SilcChannelEntry channel = NULL;
1732 SilcArgumentPayload invite_args = NULL;
1736 CHECK_STATUS("Cannot set ban: ");
1739 /* Take Channel ID */
1740 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1741 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1745 /* Get the channel entry */
1746 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1748 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1752 /* Get the invite list */
1753 tmp = silc_argument_get_arg_type(args, 3, &len);
1755 invite_args = silc_argument_list_parse(tmp, len);
1757 /* Notify application */
1758 silc_client_command_callback(cmd, channel, invite_args);
1761 silc_argument_payload_free(invite_args);
1764 silc_client_unref_channel(client, conn, channel);
1765 silc_fsm_next(fsm, silc_client_command_reply_processed);
1766 return SILC_FSM_CONTINUE;
1769 /********************************** LEAVE ***********************************/
1771 /* Reply to LEAVE command. */
1773 SILC_FSM_STATE(silc_client_command_reply_leave)
1775 SilcClientCommandContext cmd = fsm_context;
1776 SilcClientConnection conn = cmd->conn;
1777 SilcClient client = conn->client;
1778 SilcCommandPayload payload = state_context;
1779 SilcArgumentPayload args = silc_command_get_args(payload);
1780 SilcChannelEntry channel;
1786 CHECK_STATUS("Cannot set leave: ");
1789 /* Get Channel ID */
1790 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1791 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1795 /* Get the channel entry */
1796 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1798 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1802 /* Remove us from this channel. */
1803 silc_client_remove_from_channel(client, conn, channel, conn->local_entry);
1805 /* Notify application */
1806 silc_client_command_callback(cmd, channel);
1808 /* Remove old keys and stuff. The channel may remain even after leaving
1809 but we want to remove these always. */
1810 if (channel->internal.send_key)
1811 silc_cipher_free(channel->internal.send_key);
1812 channel->internal.send_key = NULL;
1813 if (channel->internal.receive_key)
1814 silc_cipher_free(channel->internal.receive_key);
1815 channel->internal.receive_key = NULL;
1816 if (channel->internal.hmac)
1817 silc_hmac_free(channel->internal.hmac);
1818 channel->internal.hmac = NULL;
1819 if (channel->internal.old_channel_keys) {
1820 silc_dlist_start(channel->internal.old_channel_keys);
1821 while ((key = silc_dlist_get(channel->internal.old_channel_keys)))
1822 silc_cipher_free(key);
1823 silc_dlist_uninit(channel->internal.old_channel_keys);
1825 channel->internal.old_channel_keys = NULL;
1826 if (channel->internal.old_hmacs) {
1827 silc_dlist_start(channel->internal.old_hmacs);
1828 while ((hmac = silc_dlist_get(channel->internal.old_hmacs)))
1829 silc_hmac_free(hmac);
1830 silc_dlist_uninit(channel->internal.old_hmacs);
1832 channel->internal.old_hmacs = NULL;
1834 /* Now delete the channel. */
1835 silc_client_empty_channel(client, conn, channel);
1836 silc_client_del_channel(client, conn, channel);
1839 silc_fsm_next(fsm, silc_client_command_reply_processed);
1840 return SILC_FSM_CONTINUE;
1843 /********************************* USERS ************************************/
1845 /* Continue USERS command reply processing after resolving unknown users */
1848 silc_client_command_reply_users_resolved(SilcClient client,
1849 SilcClientConnection conn,
1854 SilcClientCommandContext cmd = context;
1855 SILC_FSM_CALL_CONTINUE(&cmd->thread);
1859 /* Continue USERS command after resolving unknown channel */
1862 silc_client_command_reply_users_continue(SilcClient client,
1863 SilcClientConnection conn,
1868 SilcClientCommandContext cmd = context;
1871 SilcCommandPayload payload = silc_fsm_get_state_context(&cmd->thread);
1872 SilcArgumentPayload args = silc_command_get_args(payload);
1874 cmd->status = SILC_STATUS_ERR_NO_SUCH_CHANNEL_ID;
1875 ERROR_CALLBACK(cmd->status);
1876 silc_fsm_next(&cmd->thread, silc_client_command_reply_processed);
1879 SILC_FSM_CALL_CONTINUE(&cmd->thread);
1882 /* Reply to USERS command. Received list of client ID's and theirs modes
1883 on the channel we requested. */
1885 SILC_FSM_STATE(silc_client_command_reply_users)
1887 SilcClientCommandContext cmd = fsm_context;
1888 SilcClientConnection conn = cmd->conn;
1889 SilcClient client = conn->client;
1890 SilcCommandPayload payload = state_context;
1891 SilcArgumentPayload args = silc_command_get_args(payload);
1893 SilcUInt32 tmp_len, list_count, mode;
1895 SilcHashTableList htl;
1896 SilcBufferStruct client_id_list, client_mode_list;
1897 SilcChannelEntry channel = NULL;
1898 SilcClientEntry client_entry;
1903 CHECK_STATUS("Cannot get users: ");
1906 /* Get channel ID */
1907 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
1908 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1912 /* Get channel entry */
1913 channel = silc_client_get_channel_by_id(client, conn, &id.u.channel_id);
1915 /* Resolve the channel from server */
1916 SILC_FSM_CALL(silc_client_get_channel_by_id_resolve(
1917 client, conn, &id.u.channel_id,
1918 silc_client_command_reply_users_continue, cmd));
1922 /* Get the list count */
1923 tmp = silc_argument_get_arg_type(args, 3, &tmp_len);
1924 if (!tmp || tmp_len != 4) {
1925 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1928 SILC_GET32_MSB(list_count, tmp);
1930 /* Get Client ID list */
1931 tmp = silc_argument_get_arg_type(args, 4, &tmp_len);
1933 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1936 silc_buffer_set(&client_id_list, tmp, tmp_len);
1938 /* Resolve users we do not know about */
1939 if (!cmd->resolved) {
1940 cmd->resolved = TRUE;
1941 silc_client_unref_channel(client, conn, channel);
1942 SILC_FSM_CALL(silc_client_get_clients_by_list(
1943 client, conn, list_count, &client_id_list,
1944 silc_client_command_reply_users_resolved, cmd));
1948 /* Get client mode list */
1949 tmp = silc_argument_get_arg_type(args, 5, &tmp_len);
1951 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
1954 silc_buffer_set(&client_mode_list, tmp, tmp_len);
1956 SILC_LOG_DEBUG(("channel %s, %d users", channel->channel_name, list_count));
1958 silc_rwlock_wrlock(channel->internal.lock);
1960 /* Cache the received Client ID's and modes. */
1961 for (i = 0; i < list_count; i++) {
1962 SILC_GET16_MSB(idp_len, client_id_list.data + 2);
1964 if (!silc_id_payload_parse_id(client_id_list.data, idp_len, &id))
1968 SILC_GET32_MSB(mode, client_mode_list.data);
1970 /* Save the client on this channel. Unknown clients are ignored as they
1971 clearly do not exist since the resolving didn't find them. */
1972 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
1973 if (client_entry && client_entry->internal.valid) {
1974 silc_rwlock_wrlock(client_entry->internal.lock);
1975 silc_client_add_to_channel(client, conn, channel, client_entry, mode);
1976 silc_rwlock_unlock(client_entry->internal.lock);
1978 silc_client_unref_client(client, conn, client_entry);
1980 if (!silc_buffer_pull(&client_id_list, idp_len)) {
1981 silc_rwlock_unlock(channel->internal.lock);
1984 if (!silc_buffer_pull(&client_mode_list, 4)) {
1985 silc_rwlock_unlock(channel->internal.lock);
1990 silc_rwlock_unlock(channel->internal.lock);
1992 /* Notify application */
1993 silc_hash_table_list(channel->user_list, &htl);
1994 silc_client_command_callback(cmd, channel, &htl);
1995 silc_hash_table_list_reset(&htl);
1998 silc_client_unref_channel(client, conn, channel);
1999 silc_fsm_next(fsm, silc_client_command_reply_processed);
2000 return SILC_FSM_CONTINUE;
2003 /********************************** GETKEY **********************************/
2005 /* Received command reply to GETKEY command. WE've received the remote
2006 client's public key. */
2008 SILC_FSM_STATE(silc_client_command_reply_getkey)
2010 SilcClientCommandContext cmd = fsm_context;
2011 SilcClientConnection conn = cmd->conn;
2012 SilcClient client = conn->client;
2013 SilcCommandPayload payload = state_context;
2014 SilcArgumentPayload args = silc_command_get_args(payload);
2015 SilcClientEntry client_entry;
2016 SilcServerEntry server_entry;
2019 SilcPublicKey public_key;
2023 CHECK_STATUS("Cannot get key: ");
2027 if (!silc_argument_get_decoded(args, 2, SILC_ARGUMENT_ID, &id, NULL)) {
2028 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2032 /* Get the public key */
2033 tmp = silc_argument_get_arg_type(args, 3, &len);
2035 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2038 if (!silc_public_key_payload_decode(tmp, len, &public_key)) {
2039 SAY(client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
2040 "Cannot decode public key: malformed/unsupported public key");
2041 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2045 if (id.type == SILC_ID_CLIENT) {
2046 /* Received client's public key */
2047 client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
2048 if (!client_entry) {
2049 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2053 silc_rwlock_wrlock(client_entry->internal.lock);
2055 /* Save fingerprint */
2056 if (!client_entry->fingerprint)
2057 silc_hash_make(conn->internal->sha1hash, tmp + 4, len - 4,
2058 client_entry->fingerprint);
2059 if (!client_entry->public_key) {
2060 client_entry->public_key = public_key;
2064 silc_rwlock_unlock(client_entry->internal.lock);
2066 /* Notify application */
2067 silc_client_command_callback(cmd, SILC_ID_CLIENT, client_entry,
2068 client_entry->public_key);
2069 silc_client_unref_client(client, conn, client_entry);
2070 } else if (id.type == SILC_ID_SERVER) {
2071 /* Received server's public key */
2072 server_entry = silc_client_get_server_by_id(client, conn, &id.u.server_id);
2073 if (!server_entry) {
2074 ERROR_CALLBACK(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
2078 silc_rwlock_wrlock(server_entry->internal.lock);
2080 if (!server_entry->public_key) {
2081 server_entry->public_key = public_key;
2085 silc_rwlock_unlock(server_entry->internal.lock);
2087 /* Notify application */
2088 silc_client_command_callback(cmd, SILC_ID_SERVER, server_entry,
2089 server_entry->public_key);
2090 silc_client_unref_server(client, conn, server_entry);
2095 silc_pkcs_public_key_free(public_key);
2096 silc_fsm_next(fsm, silc_client_command_reply_processed);
2097 return SILC_FSM_CONTINUE;
2100 /********************************** SERVICE *********************************/
2102 /* Reply to SERVICE command. */
2103 /* XXX incomplete */
2105 SILC_FSM_STATE(silc_client_command_reply_service)
2107 SilcClientCommandContext cmd = fsm_context;
2108 SilcCommandPayload payload = state_context;
2109 SilcArgumentPayload args = silc_command_get_args(payload);
2111 unsigned char *service_list, *name;
2114 CHECK_STATUS("Cannot get service: ");
2116 /* Get service list */
2117 service_list = silc_argument_get_arg_type(args, 2, &tmp_len);
2119 /* Get requested service name */
2120 name = silc_argument_get_arg_type(args, 3, &tmp_len);
2122 /* Notify application */
2123 silc_client_command_callback(cmd, service_list, name);
2125 silc_fsm_next(fsm, silc_client_command_reply_processed);
2126 return SILC_FSM_CONTINUE;
2129 /*********************************** QUIT ***********************************/
2131 /* QUIT command reply stub */
2133 SILC_FSM_STATE(silc_client_command_reply_quit)
2135 silc_fsm_next(fsm, silc_client_command_reply_processed);
2136 return SILC_FSM_CONTINUE;