5 Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
7 Copyright (C) 2000 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
21 #include "clientincludes.h"
23 /* Prints a message with three star (*) sign before the actual message
24 on the current output window. This is used to print command outputs
25 and error messages. */
27 void silc_say(SilcClient client, SilcClientConnection conn,
32 SilcClientInternal app = (SilcClientInternal)client->application;
34 memset(message, 0, sizeof(message));
35 strncat(message, "\n*** ", 5);
38 vsprintf(message + 5, msg, vp);
41 /* Print the message */
42 silc_print_to_window(app->screen->output_win[0], message);
45 /* Message for a channel. The `sender' is the nickname of the sender
46 received in the packet. The `channel_name' is the name of the channel. */
48 void silc_channel_message(SilcClient client, SilcClientConnection conn,
49 SilcClientEntry sender, SilcChannelEntry channel,
50 SilcMessageFlags flags, char *msg)
52 /* Message from client */
53 if (conn && !strcmp(conn->current_channel->channel_name,
54 channel->channel_name))
55 if (flags & SILC_MESSAGE_FLAG_ACTION)
56 silc_print(client, "* %s %s", sender ? sender->nickname : "[<unknown>]",
58 else if (flags & SILC_MESSAGE_FLAG_NOTICE)
59 silc_print(client, "- %s %s", sender ? sender->nickname : "[<unknown>]",
62 silc_print(client, "<%s> %s", sender ? sender->nickname : "[<unknown>]",
65 if (flags & SILC_MESSAGE_FLAG_ACTION)
66 silc_print(client, "* %s:%s %s", sender ? sender->nickname :
68 channel->channel_name, msg);
69 else if (flags & SILC_MESSAGE_FLAG_NOTICE)
70 silc_print(client, "- %s:%s %s", sender ? sender->nickname :
72 channel->channel_name, msg);
74 silc_print(client, "<%s:%s> %s", sender ? sender->nickname :
76 channel->channel_name, msg);
79 /* Private message to the client. The `sender' is the nickname of the
80 sender received in the packet. */
82 void silc_private_message(SilcClient client, SilcClientConnection conn,
83 SilcClientEntry sender, SilcMessageFlags flags,
86 silc_print(client, "*%s* %s", sender->nickname, msg);
90 /* Notify message to the client. The notify arguments are sent in the
91 same order as servers sends them. The arguments are same as received
92 from the server except for ID's. If ID is received application receives
93 the corresponding entry to the ID. For example, if Client ID is received
94 application receives SilcClientEntry. Also, if the notify type is
95 for channel the channel entry is sent to application (even if server
98 void silc_notify(SilcClient client, SilcClientConnection conn,
99 SilcNotifyType type, ...)
101 SilcClientInternal app = (SilcClientInternal)client->application;
104 SilcClientEntry client_entry, client_entry2;
105 SilcChannelEntry channel_entry;
107 unsigned int tmp_int;
111 memset(message, 0, sizeof(message));
113 /* Get arguments (defined by protocol in silc-pp-01 -draft) */
115 case SILC_NOTIFY_TYPE_NONE:
116 tmp = va_arg(vp, char *);
119 strcpy(message, tmp);
122 case SILC_NOTIFY_TYPE_INVITE:
123 (void)va_arg(vp, SilcChannelEntry);
124 tmp = va_arg(vp, char *);
125 client_entry = va_arg(vp, SilcClientEntry);
126 snprintf(message, sizeof(message), "%s invites you to channel %s",
127 client_entry->nickname, tmp);
130 case SILC_NOTIFY_TYPE_JOIN:
131 client_entry = va_arg(vp, SilcClientEntry);
132 channel_entry = va_arg(vp, SilcChannelEntry);
133 snprintf(message, sizeof(message), "%s (%s) has joined channel %s",
134 client_entry->nickname, client_entry->username,
135 channel_entry->channel_name);
136 if (client_entry == conn->local_entry) {
139 silc_list_start(channel_entry->clients);
140 while ((chu = silc_list_get(channel_entry->clients)) != SILC_LIST_END) {
141 if (chu->client == client_entry) {
142 if (app->screen->bottom_line->mode)
143 silc_free(app->screen->bottom_line->mode);
144 app->screen->bottom_line->mode = silc_client_chumode_char(chu->mode);
145 silc_screen_print_bottom_line(app->screen, 0);
152 case SILC_NOTIFY_TYPE_LEAVE:
153 client_entry = va_arg(vp, SilcClientEntry);
154 channel_entry = va_arg(vp, SilcChannelEntry);
155 if (client_entry->server)
156 snprintf(message, sizeof(message), "%s@%s has left channel %s",
157 client_entry->nickname, client_entry->server,
158 channel_entry->channel_name);
160 snprintf(message, sizeof(message), "%s has left channel %s",
161 client_entry->nickname, channel_entry->channel_name);
164 case SILC_NOTIFY_TYPE_SIGNOFF:
165 client_entry = va_arg(vp, SilcClientEntry);
166 tmp = va_arg(vp, char *);
167 if (client_entry->server)
168 snprintf(message, sizeof(message), "Signoff: %s@%s %s%s%s",
169 client_entry->nickname, client_entry->server,
170 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
172 snprintf(message, sizeof(message), "Signoff: %s %s%s%s",
173 client_entry->nickname,
174 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
177 case SILC_NOTIFY_TYPE_TOPIC_SET:
178 client_entry = va_arg(vp, SilcClientEntry);
179 tmp = va_arg(vp, char *);
180 channel_entry = va_arg(vp, SilcChannelEntry);
181 if (client_entry->server)
182 snprintf(message, sizeof(message), "%s@%s set topic on %s: %s",
183 client_entry->nickname, client_entry->server,
184 channel_entry->channel_name, tmp);
186 snprintf(message, sizeof(message), "%s set topic on %s: %s",
187 client_entry->nickname, channel_entry->channel_name, tmp);
190 case SILC_NOTIFY_TYPE_NICK_CHANGE:
191 client_entry = va_arg(vp, SilcClientEntry);
192 client_entry2 = va_arg(vp, SilcClientEntry);
193 if (client_entry->server && client_entry2->server)
194 snprintf(message, sizeof(message), "%s@%s is known as %s@%s",
195 client_entry->nickname, client_entry->server,
196 client_entry2->nickname, client_entry2->server);
198 snprintf(message, sizeof(message), "%s is known as %s",
199 client_entry->nickname, client_entry2->nickname);
202 case SILC_NOTIFY_TYPE_CMODE_CHANGE:
203 client_entry = va_arg(vp, SilcClientEntry);
204 tmp_int = va_arg(vp, unsigned int);
205 (void)va_arg(vp, char *);
206 (void)va_arg(vp, char *);
207 channel_entry = va_arg(vp, SilcChannelEntry);
209 tmp = silc_client_chmode(tmp_int, channel_entry);
213 snprintf(message, sizeof(message), "%s changed channel mode to +%s",
214 client_entry->nickname, tmp);
216 snprintf(message, sizeof(message),
217 "channel mode was changed to +%s (forced by router)",
222 snprintf(message, sizeof(message), "%s removed all channel modes",
223 client_entry->nickname);
225 snprintf(message, sizeof(message),
226 "Removed all channel modes (forced by router)");
230 if (app->screen->bottom_line->channel_mode)
231 silc_free(app->screen->bottom_line->channel_mode);
232 app->screen->bottom_line->channel_mode = tmp;
233 silc_screen_print_bottom_line(app->screen, 0);
236 case SILC_NOTIFY_TYPE_CUMODE_CHANGE:
237 client_entry = va_arg(vp, SilcClientEntry);
238 tmp_int = va_arg(vp, unsigned int);
239 tmp = silc_client_chumode(tmp_int);
240 client_entry2 = va_arg(vp, SilcClientEntry);
241 channel_entry = va_arg(vp, SilcChannelEntry);
243 snprintf(message, sizeof(message), "%s changed %s's mode to +%s",
244 client_entry->nickname, client_entry2->nickname, tmp);
246 snprintf(message, sizeof(message), "%s removed %s's modes",
247 client_entry->nickname, client_entry2->nickname);
248 if (client_entry2 == conn->local_entry) {
249 if (app->screen->bottom_line->mode)
250 silc_free(app->screen->bottom_line->mode);
251 app->screen->bottom_line->mode = silc_client_chumode_char(tmp_int);
252 silc_screen_print_bottom_line(app->screen, 0);
257 case SILC_NOTIFY_TYPE_MOTD:
261 tmp = va_arg(vp, unsigned char *);
265 if (tmp[i++] == '\n') {
266 memset(line, 0, sizeof(line));
267 strncat(line, tmp, i - 1);
270 silc_say(client, conn, "%s", line);
280 case SILC_NOTIFY_TYPE_CHANNEL_CHANGE:
284 case SILC_NOTIFY_TYPE_KICKED:
285 client_entry = va_arg(vp, SilcClientEntry);
286 tmp = va_arg(vp, char *);
287 channel_entry = va_arg(vp, SilcChannelEntry);
289 if (client_entry == conn->local_entry) {
290 snprintf(message, sizeof(message),
291 "You have been kicked off channel %s %s%s%s",
292 conn->current_channel->channel_name,
293 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
295 snprintf(message, sizeof(message),
296 "%s%s%s has been kicked off channel %s %s%s%s",
297 client_entry->nickname,
298 client_entry->server ? "@" : "",
299 client_entry->server ? client_entry->server : "",
300 conn->current_channel->channel_name,
301 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
305 case SILC_NOTIFY_TYPE_KILLED:
306 client_entry = va_arg(vp, SilcClientEntry);
307 tmp = va_arg(vp, char *);
308 channel_entry = va_arg(vp, SilcChannelEntry);
310 if (client_entry == conn->local_entry) {
311 snprintf(message, sizeof(message),
312 "You have been killed from the SILC Network %s%s%s",
313 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
315 snprintf(message, sizeof(message),
316 "%s%s%s has been killed from the SILC Network %s%s%s",
317 client_entry->nickname,
318 client_entry->server ? "@" : "",
319 client_entry->server ? client_entry->server : "",
320 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
324 case SILC_NOTIFY_TYPE_SERVER_SIGNOFF:
326 SilcClientEntry *clients;
327 unsigned int clients_count;
330 (void)va_arg(vp, void *);
331 clients = va_arg(vp, SilcClientEntry *);
332 clients_count = va_arg(vp, unsigned int);
334 for (i = 0; i < clients_count; i++) {
335 if (clients[i]->server)
336 snprintf(message, sizeof(message), "Server signoff: %s@%s %s%s%s",
337 clients[i]->nickname, clients[i]->server,
338 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
340 snprintf(message, sizeof(message), "Server signoff: %s %s%s%s",
341 clients[i]->nickname,
342 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
343 silc_print(client, "*** %s", message);
344 memset(message, 0, sizeof(message));
353 silc_print(client, "*** %s", message);
356 /* Command handler. This function is called always in the command function.
357 If error occurs it will be called as well. `conn' is the associated
358 client connection. `cmd_context' is the command context that was
359 originally sent to the command. `success' is FALSE if error occured
360 during command. `command' is the command being processed. It must be
361 noted that this is not reply from server. This is merely called just
362 after application has called the command. Just to tell application
363 that the command really was processed. */
365 void silc_command(SilcClient client, SilcClientConnection conn,
366 SilcClientCommandContext cmd_context, int success,
369 SilcClientInternal app = (SilcClientInternal)client->application;
377 case SILC_COMMAND_QUIT:
378 app->screen->bottom_line->channel = NULL;
379 silc_screen_print_bottom_line(app->screen, 0);
382 case SILC_COMMAND_LEAVE:
384 if (!strncmp(conn->current_channel->channel_name, name, strlen(name))) {
385 app->screen->bottom_line->channel = NULL;
386 silc_screen_print_bottom_line(app->screen, 0);
394 /* We've resolved all clients we don't know about, now just print the
395 users from the channel on the screen. */
397 void silc_client_show_users(SilcClient client,
398 SilcClientConnection conn,
399 SilcClientEntry *clients,
400 unsigned int clients_count,
403 SilcChannelEntry channel = (SilcChannelEntry)context;
405 int k = 0, len1 = 0, len2 = 0;
406 char *name_list = NULL;
411 silc_list_start(channel->clients);
412 while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
413 char *m, *n = chu->client->nickname;
420 name_list = silc_realloc(name_list, sizeof(*name_list) * (len1 + 3));
422 m = silc_client_chumode_char(chu->mode);
424 memcpy(name_list + (len1 - len2), m, strlen(m));
429 memcpy(name_list + (len1 - len2), n, len2);
432 if (k == silc_list_count(channel->clients) - 1)
434 memcpy(name_list + len1, " ", 1);
439 client->ops->say(client, conn, "Users on %s: %s", channel->channel_name,
441 silc_free(name_list);
444 /* Command reply handler. This function is called always in the command reply
445 function. If error occurs it will be called as well. Normal scenario
446 is that it will be called after the received command data has been parsed
447 and processed. The function is used to pass the received command data to
450 `conn' is the associated client connection. `cmd_payload' is the command
451 payload data received from server and it can be ignored. It is provided
452 if the application would like to re-parse the received command data,
453 however, it must be noted that the data is parsed already by the library
454 thus the payload can be ignored. `success' is FALSE if error occured.
455 In this case arguments are not sent to the application. `command' is the
456 command reply being processed. The function has variable argument list
457 and each command defines the number and type of arguments it passes to the
458 application (on error they are not sent). */
460 void silc_command_reply(SilcClient client, SilcClientConnection conn,
461 SilcCommandPayload cmd_payload, int success,
462 SilcCommand command, SilcCommandStatus status, ...)
464 SilcClientInternal app = (SilcClientInternal)client->application;
468 va_start(vp, status);
472 case SILC_COMMAND_WHOIS:
474 char buf[1024], *nickname, *username, *realname;
476 unsigned int idle, mode;
479 if (status == SILC_STATUS_ERR_NO_SUCH_NICK ||
480 status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
482 tmp = silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
485 client->ops->say(client, conn, "%s: %s", tmp,
486 silc_client_command_status_message(status));
488 client->ops->say(client, conn, "%s",
489 silc_client_command_status_message(status));
496 (void)va_arg(vp, SilcClientEntry);
497 nickname = va_arg(vp, char *);
498 username = va_arg(vp, char *);
499 realname = va_arg(vp, char *);
500 channels = va_arg(vp, SilcBuffer);
501 mode = va_arg(vp, unsigned int);
502 idle = va_arg(vp, unsigned int);
504 memset(buf, 0, sizeof(buf));
507 len = strlen(nickname);
508 strncat(buf, nickname, len);
509 strncat(buf, " is ", 4);
513 strncat(buf, username, strlen(username));
517 strncat(buf, " (", 2);
518 strncat(buf, realname, strlen(realname));
519 strncat(buf, ")", 1);
522 client->ops->say(client, conn, "%s", buf);
525 SilcDList list = silc_channel_payload_parse_list(channels);
527 SilcChannelPayload entry;
529 memset(buf, 0, sizeof(buf));
530 strcat(buf, "on channels: ");
532 silc_dlist_start(list);
533 while ((entry = silc_dlist_get(list)) != SILC_LIST_END) {
534 char *m = silc_client_chumode_char(silc_channel_get_mode(entry));
535 unsigned int name_len;
536 char *name = silc_channel_get_name(entry, &name_len);
539 strncat(buf, m, strlen(m));
540 strncat(buf, name, name_len);
541 strncat(buf, " ", 1);
545 client->ops->say(client, conn, "%s", buf);
546 silc_channel_payload_list_free(list);
551 if ((mode & SILC_UMODE_SERVER_OPERATOR) ||
552 (mode & SILC_UMODE_ROUTER_OPERATOR))
553 client->ops->say(client, conn, "%s is %s", nickname,
554 (mode & SILC_UMODE_SERVER_OPERATOR) ?
556 (mode & SILC_UMODE_ROUTER_OPERATOR) ?
557 "SILC Operator" : "[Unknown mode]");
559 if (mode & SILC_UMODE_GONE)
560 client->ops->say(client, conn, "%s is gone", nickname);
563 if (idle && nickname)
564 client->ops->say(client, conn, "%s has been idle %d %s",
566 idle > 60 ? (idle / 60) : idle,
567 idle > 60 ? "minutes" : "seconds");
571 case SILC_COMMAND_WHOWAS:
573 char buf[1024], *nickname, *username, *realname;
576 if (status == SILC_STATUS_ERR_NO_SUCH_NICK ||
577 status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
579 tmp = silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
582 client->ops->say(client, conn, "%s: %s", tmp,
583 silc_client_command_status_message(status));
585 client->ops->say(client, conn, "%s",
586 silc_client_command_status_message(status));
593 (void)va_arg(vp, SilcClientEntry);
594 nickname = va_arg(vp, char *);
595 username = va_arg(vp, char *);
596 realname = va_arg(vp, char *);
598 memset(buf, 0, sizeof(buf));
601 len = strlen(nickname);
602 strncat(buf, nickname, len);
603 strncat(buf, " was ", 5);
607 strncat(buf, username, strlen(nickname));
611 strncat(buf, " (", 2);
612 strncat(buf, realname, strlen(realname));
613 strncat(buf, ")", 1);
616 client->ops->say(client, conn, "%s", buf);
620 case SILC_COMMAND_INVITE:
622 SilcChannelEntry channel;
628 channel = va_arg(vp, SilcChannelEntry);
629 invite_list = va_arg(vp, char *);
632 silc_say(client, conn, "%s invite list: %s", channel->channel_name,
635 silc_say(client, conn, "%s invite list not set",
636 channel->channel_name);
640 case SILC_COMMAND_JOIN:
644 SilcBuffer client_id_list;
645 unsigned int list_count;
646 SilcChannelEntry channel;
651 app->screen->bottom_line->channel = va_arg(vp, char *);
652 channel = va_arg(vp, SilcChannelEntry);
653 mode = va_arg(vp, unsigned int);
654 (void)va_arg(vp, unsigned int);
655 (void)va_arg(vp, unsigned char *);
656 (void)va_arg(vp, unsigned char *);
657 (void)va_arg(vp, unsigned char *);
658 topic = va_arg(vp, char *);
659 (void)va_arg(vp, unsigned char *);
660 list_count = va_arg(vp, unsigned int);
661 client_id_list = va_arg(vp, SilcBuffer);
664 client->ops->say(client, conn, "Topic for %s: %s",
665 app->screen->bottom_line->channel, topic);
667 app->screen->bottom_line->channel_mode =
668 silc_client_chmode(mode, channel);
669 silc_screen_print_bottom_line(app->screen, 0);
671 /* Resolve the client information */
672 silc_client_get_clients_by_list(client, conn, list_count,
674 silc_client_show_users, channel);
678 case SILC_COMMAND_NICK:
680 SilcClientEntry entry;
685 entry = va_arg(vp, SilcClientEntry);
686 silc_say(client, conn, "Your current nickname is %s", entry->nickname);
687 app->screen->bottom_line->nickname = entry->nickname;
688 silc_screen_print_bottom_line(app->screen, 0);
692 case SILC_COMMAND_LIST:
695 unsigned int usercount;
696 unsigned char buf[256], tmp[16];
702 (void)va_arg(vp, SilcChannelEntry);
703 name = va_arg(vp, char *);
704 topic = va_arg(vp, char *);
705 usercount = va_arg(vp, unsigned int);
707 if (status == SILC_STATUS_LIST_START ||
708 status == SILC_STATUS_OK)
709 silc_say(client, conn,
710 " Channel Users Topic");
712 memset(buf, 0, sizeof(buf));
713 strncat(buf, " ", 2);
715 strncat(buf, name, len > 40 ? 40 : len);
717 for (i = 0; i < 40 - len; i++)
721 memset(tmp, 0, sizeof(tmp));
723 snprintf(tmp, sizeof(tmp), "%d", usercount);
728 for (i = 0; i < 10 - len; i++)
734 strncat(buf, topic, len);
737 silc_say(client, conn, "%s", buf);
741 case SILC_COMMAND_UMODE:
748 mode = va_arg(vp, unsigned int);
750 if (!mode && app->screen->bottom_line->umode) {
751 silc_free(app->screen->bottom_line->umode);
752 app->screen->bottom_line->umode = NULL;
755 if (mode & SILC_UMODE_SERVER_OPERATOR) {
756 if (app->screen->bottom_line->umode)
757 silc_free(app->screen->bottom_line->umode);
758 app->screen->bottom_line->umode = strdup("Server Operator");;
761 if (mode & SILC_UMODE_ROUTER_OPERATOR) {
762 if (app->screen->bottom_line->umode)
763 silc_free(app->screen->bottom_line->umode);
764 app->screen->bottom_line->umode = strdup("SILC Operator");;
767 silc_screen_print_bottom_line(app->screen, 0);
771 case SILC_COMMAND_OPER:
772 if (status == SILC_STATUS_OK) {
773 conn->local_entry->mode |= SILC_UMODE_SERVER_OPERATOR;
774 if (app->screen->bottom_line->umode)
775 silc_free(app->screen->bottom_line->umode);
776 app->screen->bottom_line->umode = strdup("Server Operator");;
777 silc_screen_print_bottom_line(app->screen, 0);
781 case SILC_COMMAND_SILCOPER:
782 if (status == SILC_STATUS_OK) {
783 conn->local_entry->mode |= SILC_UMODE_ROUTER_OPERATOR;
784 if (app->screen->bottom_line->umode)
785 silc_free(app->screen->bottom_line->umode);
786 app->screen->bottom_line->umode = strdup("SILC Operator");;
787 silc_screen_print_bottom_line(app->screen, 0);
791 case SILC_COMMAND_USERS:
793 SilcChannelEntry channel;
800 channel = va_arg(vp, SilcChannelEntry);
802 /* There are two ways to do this, either parse the list (that
803 the command_reply sends (just take it with va_arg())) or just
804 traverse the channel'c client list. I'll do the latter. See
805 JOIN command reply for example for the list. */
807 silc_say(client, conn, "Users on %s", channel->channel_name);
809 line = silc_calloc(1024, sizeof(*line));
811 silc_list_start(channel->clients);
812 while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
813 SilcClientEntry e = chu->client;
817 memset(line, 0, line_len);
819 if (chu->client == conn->local_entry) {
820 /* Update status line */
821 if (app->screen->bottom_line->mode)
822 silc_free(app->screen->bottom_line->mode);
823 app->screen->bottom_line->mode =
824 silc_client_chumode_char(chu->mode);
825 silc_screen_print_bottom_line(app->screen, 0);
828 if (strlen(e->nickname) + strlen(e->server) + 100 > line_len) {
830 line_len += strlen(e->nickname) + strlen(e->server) + 100;
831 line = silc_calloc(line_len, sizeof(*line));
834 memset(tmp, 0, sizeof(tmp));
835 m = silc_client_chumode_char(chu->mode);
837 strncat(line, " ", 1);
838 strncat(line, e->nickname, strlen(e->nickname));
839 strncat(line, e->server ? "@" : "", 1);
843 len1 = strlen(e->server);
844 strncat(line, e->server ? e->server : "", len1 > 30 ? 30 : len1);
848 memset(&line[29], 0, len1 - 29);
850 for (i = 0; i < 30 - len1 - 1; i++)
854 if (e->mode & SILC_UMODE_GONE)
858 strcat(tmp, m ? m : "");
859 strncat(line, tmp, strlen(tmp));
862 for (i = 0; i < 5 - strlen(tmp); i++)
865 strcat(line, e->username ? e->username : "");
867 silc_say(client, conn, "%s", line);
877 case SILC_COMMAND_BAN:
879 SilcChannelEntry channel;
885 channel = va_arg(vp, SilcChannelEntry);
886 ban_list = va_arg(vp, char *);
889 silc_say(client, conn, "%s ban list: %s", channel->channel_name,
892 silc_say(client, conn, "%s ban list not set", channel->channel_name);
901 /* Called to indicate that connection was either successfully established
902 or connecting failed. This is also the first time application receives
903 the SilcClientConnection objecet which it should save somewhere. */
905 void silc_connect(SilcClient client, SilcClientConnection conn, int success)
907 SilcClientInternal app = (SilcClientInternal)client->application;
910 app->screen->bottom_line->connection = conn->remote_host;
911 silc_screen_print_bottom_line(app->screen, 0);
916 /* Called to indicate that connection was disconnected to the server. */
918 void silc_disconnect(SilcClient client, SilcClientConnection conn)
920 SilcClientInternal app = (SilcClientInternal)client->application;
922 app->screen->bottom_line->connection = NULL;
923 silc_screen_print_bottom_line(app->screen, 0);
927 /* Asks passphrase from user on the input line. */
929 unsigned char *silc_ask_passphrase(SilcClient client,
930 SilcClientConnection conn)
932 SilcClientInternal app = (SilcClientInternal)conn->client->application;
933 char pass1[256], pass2[256];
940 wattroff(app->screen->input_win, A_INVIS);
941 silc_screen_input_print_prompt(app->screen, "Passphrase: ");
942 wattron(app->screen->input_win, A_INVIS);
945 memset(pass1, 0, sizeof(pass1));
946 wgetnstr(app->screen->input_win, pass1, sizeof(pass1));
948 /* Print retype prompt */
949 wattroff(app->screen->input_win, A_INVIS);
950 silc_screen_input_print_prompt(app->screen, "Retype passphrase: ");
951 wattron(app->screen->input_win, A_INVIS);
954 memset(pass2, 0, sizeof(pass2));
955 wgetnstr(app->screen->input_win, pass2, sizeof(pass2));
957 if (!strncmp(pass1, pass2, strlen(pass2)))
963 ret = silc_calloc(strlen(pass1), sizeof(char));
964 memcpy(ret, pass1, strlen(pass1));
966 memset(pass1, 0, sizeof(pass1));
967 memset(pass2, 0, sizeof(pass2));
969 wattroff(app->screen->input_win, A_INVIS);
970 silc_screen_input_reset(app->screen);
975 /* Verifies received public key. If user decides to trust the key it is
976 saved as public server key for later use. If user does not trust the
977 key this returns FALSE. */
979 int silc_verify_public_key(SilcClient client,
980 SilcClientConnection conn,
981 SilcSocketType conn_type,
982 unsigned char *pk, unsigned int pk_len,
983 SilcSKEPKType pk_type)
985 SilcSocketConnection sock = conn->sock;
988 char *hostname, *fingerprint;
991 char *entity = ((conn_type == SILC_SOCKET_TYPE_SERVER ||
992 conn_type == SILC_SOCKET_TYPE_ROUTER) ?
993 "server" : "client");
995 hostname = sock->hostname ? sock->hostname : sock->ip;
997 if (pk_type != SILC_SKE_PK_TYPE_SILC) {
998 silc_say(client, conn, "We don't support %s %s key type",
1003 pw = getpwuid(getuid());
1007 memset(filename, 0, sizeof(filename));
1008 memset(file, 0, sizeof(file));
1009 snprintf(file, sizeof(file) - 1, "%skey_%s_%d.pub", entity, hostname,
1011 snprintf(filename, sizeof(filename) - 1, "%s/.silc/%skeys/%s",
1012 pw->pw_dir, entity, file);
1014 /* Check wheter this key already exists */
1015 if (stat(filename, &st) < 0) {
1017 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
1018 silc_say(client, conn, "Received %s %s public key", entity, hostname);
1019 silc_say(client, conn, "Fingerprint for the %s %s key is", entity,
1021 silc_say(client, conn, "%s", fingerprint);
1022 silc_free(fingerprint);
1024 /* Ask user to verify the key and save it */
1025 if (silc_client_ask_yes_no(client,
1026 "Would you like to accept the key (y/n)? "))
1028 /* Save the key for future checking */
1029 silc_pkcs_save_public_key_data(filename, pk, pk_len,
1030 SILC_PKCS_FILE_PEM);
1034 /* The key already exists, verify it. */
1035 SilcPublicKey public_key;
1036 unsigned char *encpk;
1037 unsigned int encpk_len;
1039 /* Load the key file */
1040 if (!silc_pkcs_load_public_key(filename, &public_key,
1041 SILC_PKCS_FILE_PEM))
1042 if (!silc_pkcs_load_public_key(filename, &public_key,
1043 SILC_PKCS_FILE_BIN)) {
1044 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
1045 silc_say(client, conn, "Received %s %s public key", entity, hostname);
1046 silc_say(client, conn, "Fingerprint for the %s %s key is",
1048 silc_say(client, conn, "%s", fingerprint);
1049 silc_free(fingerprint);
1050 silc_say(client, conn, "Could not load your local copy of the %s %s key",
1052 if (silc_client_ask_yes_no(client,
1053 "Would you like to accept the key anyway (y/n)? "))
1055 /* Save the key for future checking */
1057 silc_pkcs_save_public_key_data(filename, pk, pk_len,
1058 SILC_PKCS_FILE_PEM);
1065 /* Encode the key data */
1066 encpk = silc_pkcs_public_key_encode(public_key, &encpk_len);
1068 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
1069 silc_say(client, conn, "Received %s %s public key", entity, hostname);
1070 silc_say(client, conn, "Fingerprint for the %s %s key is",
1072 silc_say(client, conn, "%s", fingerprint);
1073 silc_free(fingerprint);
1074 silc_say(client, conn, "Your local copy of the %s %s key is malformed",
1076 if (silc_client_ask_yes_no(client,
1077 "Would you like to accept the key anyway (y/n)? "))
1079 /* Save the key for future checking */
1081 silc_pkcs_save_public_key_data(filename, pk, pk_len,
1082 SILC_PKCS_FILE_PEM);
1089 if (memcmp(encpk, pk, encpk_len)) {
1090 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
1091 silc_say(client, conn, "Received %s %s public key", entity, hostname);
1092 silc_say(client, conn, "Fingerprint for the %s %s key is",
1094 silc_say(client, conn, "%s", fingerprint);
1095 silc_free(fingerprint);
1096 silc_say(client, conn, "%s %s key does not match with your local copy",
1098 silc_say(client, conn, "It is possible that the key has expired or changed");
1099 silc_say(client, conn, "It is also possible that some one is performing "
1100 "man-in-the-middle attack");
1102 /* Ask user to verify the key and save it */
1103 if (silc_client_ask_yes_no(client,
1104 "Would you like to accept the key anyway (y/n)? "))
1106 /* Save the key for future checking */
1108 silc_pkcs_save_public_key_data(filename, pk, pk_len,
1109 SILC_PKCS_FILE_PEM);
1113 silc_say(client, conn, "Will not accept %s %s key", entity, hostname);
1117 /* Local copy matched */
1121 silc_say(client, conn, "Will not accept %s %s key", entity, hostname);
1125 /* Find authentication method and authentication data by hostname and
1126 port. The hostname may be IP address as well. The found authentication
1127 method and authentication data is returned to `auth_meth', `auth_data'
1128 and `auth_data_len'. The function returns TRUE if authentication method
1129 is found and FALSE if not. `conn' may be NULL. */
1131 int silc_get_auth_method(SilcClient client, SilcClientConnection conn,
1132 char *hostname, unsigned short port,
1133 SilcProtocolAuthMeth *auth_meth,
1134 unsigned char **auth_data,
1135 unsigned int *auth_data_len)
1137 SilcClientInternal app = (SilcClientInternal)client->application;
1139 if (app->config->conns) {
1140 SilcClientConfigSectionConnection *conn = NULL;
1142 /* Check if we find a match from user configured connections */
1143 conn = silc_client_config_find_connection(app->config,
1147 /* Match found. Use the configured authentication method */
1148 *auth_meth = conn->auth_meth;
1150 if (conn->auth_data) {
1151 *auth_data = strdup(conn->auth_data);
1152 *auth_data_len = strlen(conn->auth_data);
1159 *auth_meth = SILC_AUTH_NONE;
1166 /* Notifies application that failure packet was received. This is called
1167 if there is some protocol active in the client. The `protocol' is the
1168 protocol context. The `failure' is opaque pointer to the failure
1169 indication. Note, that the `failure' is protocol dependant and application
1170 must explicitly cast it to correct type. Usually `failure' is 32 bit
1171 failure type (see protocol specs for all protocol failure types). */
1173 void silc_failure(SilcClient client, SilcClientConnection conn,
1174 SilcProtocol protocol, void *failure)
1179 /* Asks whether the user would like to perform the key agreement protocol.
1180 This is called after we have received an key agreement packet or an
1181 reply to our key agreement packet. This returns TRUE if the user wants
1182 the library to perform the key agreement protocol and FALSE if it is not
1183 desired (application may start it later by calling the function
1184 silc_client_perform_key_agreement). */
1186 int silc_key_agreement(SilcClient client, SilcClientConnection conn,
1187 SilcClientEntry client_entry, char *hostname,
1189 SilcKeyAgreementCallback *completion,
1194 /* We will just display the info on the screen and return FALSE and user
1195 will have to start the key agreement with a command. */
1198 memset(host, 0, sizeof(host));
1199 snprintf(host, sizeof(host) - 1, "(%s on port %d)", hostname, port);
1202 silc_say(client, conn, "%s wants to perform key agreement %s",
1203 client_entry->nickname, hostname ? host : "");
1211 /* SILC client operations */
1212 SilcClientOperations ops = {
1214 channel_message: silc_channel_message,
1215 private_message: silc_private_message,
1216 notify: silc_notify,
1217 command: silc_command,
1218 command_reply: silc_command_reply,
1219 connect: silc_connect,
1220 disconnect: silc_disconnect,
1221 get_auth_method: silc_get_auth_method,
1222 verify_public_key: silc_verify_public_key,
1223 ask_passphrase: silc_ask_passphrase,
1224 failure: silc_failure,
1225 key_agreement: silc_key_agreement,