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
52 /* Message from client */
53 if (conn && !strcmp(conn->current_channel->channel_name,
54 channel->channel_name))
55 silc_print(client, "<%s> %s", sender ? sender->nickname : "[<unknown>]",
58 silc_print(client, "<%s:%s> %s", sender ? sender->nickname : "[<unknown>]",
59 channel->channel_name, msg);
62 /* Private message to the client. The `sender' is the nickname of the
63 sender received in the packet. */
65 void silc_private_message(SilcClient client, SilcClientConnection conn,
66 SilcClientEntry sender, char *msg)
68 silc_print(client, "*%s* %s", sender->nickname, msg);
72 /* Notify message to the client. The notify arguments are sent in the
73 same order as servers sends them. The arguments are same as received
74 from the server except for ID's. If ID is received application receives
75 the corresponding entry to the ID. For example, if Client ID is received
76 application receives SilcClientEntry. Also, if the notify type is
77 for channel the channel entry is sent to application (even if server
80 void silc_notify(SilcClient client, SilcClientConnection conn,
81 SilcNotifyType type, ...)
83 SilcClientInternal app = (SilcClientInternal)client->application;
86 SilcClientEntry client_entry, client_entry2;
87 SilcChannelEntry channel_entry;
93 memset(message, 0, sizeof(message));
95 /* Get arguments (defined by protocol in silc-pp-01 -draft) */
97 case SILC_NOTIFY_TYPE_NONE:
98 tmp = va_arg(vp, char *);
101 strcpy(message, tmp);
104 case SILC_NOTIFY_TYPE_INVITE:
105 client_entry = va_arg(vp, SilcClientEntry);
106 channel_entry = va_arg(vp, SilcChannelEntry);
107 snprintf(message, sizeof(message), "%s invites you to channel %s",
108 client_entry->nickname, channel_entry->channel_name);
111 case SILC_NOTIFY_TYPE_JOIN:
112 client_entry = va_arg(vp, SilcClientEntry);
113 channel_entry = va_arg(vp, SilcChannelEntry);
114 snprintf(message, sizeof(message), "%s (%s) has joined channel %s",
115 client_entry->nickname, client_entry->username,
116 channel_entry->channel_name);
117 if (client_entry == conn->local_entry) {
120 silc_list_start(channel_entry->clients);
121 while ((chu = silc_list_get(channel_entry->clients)) != SILC_LIST_END) {
122 if (chu->client == client_entry) {
123 if (app->screen->bottom_line->mode)
124 silc_free(app->screen->bottom_line->mode);
125 app->screen->bottom_line->mode = silc_client_chumode_char(chu->mode);
126 silc_screen_print_bottom_line(app->screen, 0);
133 case SILC_NOTIFY_TYPE_LEAVE:
134 client_entry = va_arg(vp, SilcClientEntry);
135 channel_entry = va_arg(vp, SilcChannelEntry);
136 if (client_entry->server)
137 snprintf(message, sizeof(message), "%s@%s has left channel %s",
138 client_entry->nickname, client_entry->server,
139 channel_entry->channel_name);
141 snprintf(message, sizeof(message), "%s has left channel %s",
142 client_entry->nickname, channel_entry->channel_name);
145 case SILC_NOTIFY_TYPE_SIGNOFF:
146 client_entry = va_arg(vp, SilcClientEntry);
147 tmp = va_arg(vp, char *);
148 if (client_entry->server)
149 snprintf(message, sizeof(message), "Signoff: %s@%s %s%s%s",
150 client_entry->nickname, client_entry->server,
151 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
153 snprintf(message, sizeof(message), "Signoff: %s %s%s%s",
154 client_entry->nickname,
155 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
158 case SILC_NOTIFY_TYPE_TOPIC_SET:
159 client_entry = va_arg(vp, SilcClientEntry);
160 tmp = va_arg(vp, char *);
161 channel_entry = va_arg(vp, SilcChannelEntry);
162 if (client_entry->server)
163 snprintf(message, sizeof(message), "%s@%s set topic on %s: %s",
164 client_entry->nickname, client_entry->server,
165 channel_entry->channel_name, tmp);
167 snprintf(message, sizeof(message), "%s set topic on %s: %s",
168 client_entry->nickname, channel_entry->channel_name, tmp);
171 case SILC_NOTIFY_TYPE_NICK_CHANGE:
172 client_entry = va_arg(vp, SilcClientEntry);
173 client_entry2 = va_arg(vp, SilcClientEntry);
174 if (client_entry->server && client_entry2->server)
175 snprintf(message, sizeof(message), "%s@%s is known as %s@%s",
176 client_entry->nickname, client_entry->server,
177 client_entry2->nickname, client_entry2->server);
179 snprintf(message, sizeof(message), "%s is known as %s",
180 client_entry->nickname, client_entry2->nickname);
183 case SILC_NOTIFY_TYPE_CMODE_CHANGE:
184 client_entry = va_arg(vp, SilcClientEntry);
185 tmp = silc_client_chmode(va_arg(vp, unsigned int));
186 channel_entry = va_arg(vp, SilcChannelEntry);
188 snprintf(message, sizeof(message), "%s changed channel mode to +%s",
189 client_entry->nickname, tmp);
191 snprintf(message, sizeof(message), "%s removed all channel modes",
192 client_entry->nickname);
193 if (app->screen->bottom_line->channel_mode)
194 silc_free(app->screen->bottom_line->channel_mode);
195 app->screen->bottom_line->channel_mode = tmp;
196 silc_screen_print_bottom_line(app->screen, 0);
199 case SILC_NOTIFY_TYPE_CUMODE_CHANGE:
200 client_entry = va_arg(vp, SilcClientEntry);
201 tmp_int = va_arg(vp, unsigned int);
202 tmp = silc_client_chumode(tmp_int);
203 client_entry2 = va_arg(vp, SilcClientEntry);
204 channel_entry = va_arg(vp, SilcChannelEntry);
206 snprintf(message, sizeof(message), "%s changed %s's mode to +%s",
207 client_entry->nickname, client_entry2->nickname, tmp);
209 snprintf(message, sizeof(message), "%s removed %s's modes",
210 client_entry->nickname, client_entry2->nickname);
211 if (client_entry2 == conn->local_entry) {
212 if (app->screen->bottom_line->mode)
213 silc_free(app->screen->bottom_line->mode);
214 app->screen->bottom_line->mode = silc_client_chumode_char(tmp_int);
215 silc_screen_print_bottom_line(app->screen, 0);
220 case SILC_NOTIFY_TYPE_MOTD:
224 tmp = va_arg(vp, unsigned char *);
228 if (tmp[i++] == '\n') {
229 memset(line, 0, sizeof(line));
230 strncat(line, tmp, i - 1);
233 silc_say(client, conn, "%s", line);
243 case SILC_NOTIFY_TYPE_CHANNEL_CHANGE:
246 case SILC_NOTIFY_TYPE_KICKED:
247 client_entry = va_arg(vp, SilcClientEntry);
248 tmp = va_arg(vp, char *);
249 channel_entry = va_arg(vp, SilcChannelEntry);
251 if (client_entry == conn->local_entry) {
252 snprintf(message, sizeof(message),
253 "You have been kicked off channel %s %s%s%s",
254 conn->current_channel->channel_name,
255 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
257 snprintf(message, sizeof(message),
258 "%s%s%s has been kicked off channel %s %s%s%s",
259 client_entry->nickname,
260 client_entry->server ? "@" : "",
261 client_entry->server ? client_entry->server : "",
262 conn->current_channel->channel_name,
263 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
267 case SILC_NOTIFY_TYPE_KILLED:
268 client_entry = va_arg(vp, SilcClientEntry);
269 tmp = va_arg(vp, char *);
270 channel_entry = va_arg(vp, SilcChannelEntry);
272 if (client_entry == conn->local_entry) {
273 snprintf(message, sizeof(message),
274 "You have been killed from the SILC Network %s%s%s",
275 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
277 snprintf(message, sizeof(message),
278 "%s%s%s has been killed from the SILC Network %s%s%s",
279 client_entry->nickname,
280 client_entry->server ? "@" : "",
281 client_entry->server ? client_entry->server : "",
282 tmp ? "(" : "", tmp ? tmp : "", tmp ? ")" : "");
290 silc_print(client, "*** %s", message);
293 /* Command handler. This function is called always in the command function.
294 If error occurs it will be called as well. `conn' is the associated
295 client connection. `cmd_context' is the command context that was
296 originally sent to the command. `success' is FALSE if error occured
297 during command. `command' is the command being processed. It must be
298 noted that this is not reply from server. This is merely called just
299 after application has called the command. Just to tell application
300 that the command really was processed. */
302 void silc_command(SilcClient client, SilcClientConnection conn,
303 SilcClientCommandContext cmd_context, int success,
306 SilcClientInternal app = (SilcClientInternal)client->application;
314 case SILC_COMMAND_QUIT:
315 app->screen->bottom_line->channel = NULL;
316 silc_screen_print_bottom_line(app->screen, 0);
319 case SILC_COMMAND_LEAVE:
321 if (!strncmp(conn->current_channel->channel_name, name, strlen(name))) {
322 app->screen->bottom_line->channel = NULL;
323 silc_screen_print_bottom_line(app->screen, 0);
331 /* We've resolved all clients we don't know about, now just print the
332 users from the channel on the screen. */
334 void silc_client_show_users(SilcClient client,
335 SilcClientConnection conn,
336 SilcClientEntry *clients,
337 unsigned int clients_count,
340 SilcChannelEntry channel = (SilcChannelEntry)context;
342 int k = 0, len1 = 0, len2 = 0;
343 char *name_list = NULL;
348 silc_list_start(channel->clients);
349 while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
350 char *m, *n = chu->client->nickname;
357 name_list = silc_realloc(name_list, sizeof(*name_list) * (len1 + 3));
359 m = silc_client_chumode_char(chu->mode);
361 memcpy(name_list + (len1 - len2), m, strlen(m));
366 memcpy(name_list + (len1 - len2), n, len2);
369 if (k == silc_list_count(channel->clients) - 1)
371 memcpy(name_list + len1, " ", 1);
376 client->ops->say(client, conn, "Users on %s: %s", channel->channel_name,
378 silc_free(name_list);
381 /* Command reply handler. This function is called always in the command reply
382 function. If error occurs it will be called as well. Normal scenario
383 is that it will be called after the received command data has been parsed
384 and processed. The function is used to pass the received command data to
387 `conn' is the associated client connection. `cmd_payload' is the command
388 payload data received from server and it can be ignored. It is provided
389 if the application would like to re-parse the received command data,
390 however, it must be noted that the data is parsed already by the library
391 thus the payload can be ignored. `success' is FALSE if error occured.
392 In this case arguments are not sent to the application. `command' is the
393 command reply being processed. The function has variable argument list
394 and each command defines the number and type of arguments it passes to the
395 application (on error they are not sent). */
397 void silc_command_reply(SilcClient client, SilcClientConnection conn,
398 SilcCommandPayload cmd_payload, int success,
399 SilcCommand command, SilcCommandStatus status, ...)
401 SilcClientInternal app = (SilcClientInternal)client->application;
405 va_start(vp, status);
409 case SILC_COMMAND_WHOIS:
411 char buf[1024], *nickname, *username, *realname;
415 if (status == SILC_STATUS_ERR_NO_SUCH_NICK) {
417 tmp = silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
420 client->ops->say(client, conn, "%s: %s", tmp,
421 silc_client_command_status_message(status));
423 client->ops->say(client, conn, "%s",
424 silc_client_command_status_message(status));
431 (void)va_arg(vp, SilcClientEntry);
432 nickname = va_arg(vp, char *);
433 username = va_arg(vp, char *);
434 realname = va_arg(vp, char *);
435 (void)va_arg(vp, void *);
436 idle = va_arg(vp, unsigned int);
438 memset(buf, 0, sizeof(buf));
441 len = strlen(nickname);
442 strncat(buf, nickname, len);
443 strncat(buf, " is ", 4);
447 strncat(buf, username, strlen(username));
451 strncat(buf, " (", 2);
452 strncat(buf, realname, strlen(realname));
453 strncat(buf, ")", 1);
456 client->ops->say(client, conn, "%s", buf);
457 if (idle && nickname)
458 client->ops->say(client, conn, "%s has been idle %d %s",
460 idle > 60 ? (idle / 60) : idle,
461 idle > 60 ? "minutes" : "seconds");
465 case SILC_COMMAND_WHOWAS:
467 char buf[1024], *nickname, *username, *realname;
470 if (status == SILC_STATUS_ERR_NO_SUCH_NICK) {
472 tmp = silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
475 client->ops->say(client, conn, "%s: %s", tmp,
476 silc_client_command_status_message(status));
478 client->ops->say(client, conn, "%s",
479 silc_client_command_status_message(status));
486 (void)va_arg(vp, SilcClientEntry);
487 nickname = va_arg(vp, char *);
488 username = va_arg(vp, char *);
489 realname = va_arg(vp, char *);
491 memset(buf, 0, sizeof(buf));
494 len = strlen(nickname);
495 strncat(buf, nickname, len);
496 strncat(buf, " was ", 5);
500 strncat(buf, username, strlen(nickname));
504 strncat(buf, " (", 2);
505 strncat(buf, realname, strlen(realname));
506 strncat(buf, ")", 1);
509 client->ops->say(client, conn, "%s", buf);
513 case SILC_COMMAND_JOIN:
517 SilcBuffer client_id_list;
518 unsigned int list_count;
519 SilcChannelEntry channel;
524 app->screen->bottom_line->channel = va_arg(vp, char *);
525 channel = va_arg(vp, SilcChannelEntry);
526 mode = va_arg(vp, unsigned int);
527 (void)va_arg(vp, unsigned int);
528 (void)va_arg(vp, unsigned char *);
529 (void)va_arg(vp, unsigned char *);
530 (void)va_arg(vp, unsigned char *);
531 topic = va_arg(vp, char *);
532 (void)va_arg(vp, unsigned char *);
533 list_count = va_arg(vp, unsigned int);
534 client_id_list = va_arg(vp, SilcBuffer);
537 client->ops->say(client, conn, "Topic for %s: %s",
538 app->screen->bottom_line->channel, topic);
540 app->screen->bottom_line->channel_mode = silc_client_chmode(mode);
541 silc_screen_print_bottom_line(app->screen, 0);
543 /* Resolve the client information */
544 silc_client_get_clients_by_list(client, conn, list_count,
546 silc_client_show_users, channel);
550 case SILC_COMMAND_NICK:
552 SilcClientEntry entry;
557 entry = va_arg(vp, SilcClientEntry);
558 silc_say(client, conn, "Your current nickname is %s", entry->nickname);
559 app->screen->bottom_line->nickname = entry->nickname;
560 silc_screen_print_bottom_line(app->screen, 0);
564 case SILC_COMMAND_UMODE:
571 mode = va_arg(vp, unsigned int);
573 if (!mode && app->screen->bottom_line->umode) {
574 silc_free(app->screen->bottom_line->umode);
575 app->screen->bottom_line->umode = NULL;
578 if (mode & SILC_UMODE_SERVER_OPERATOR) {
579 if (app->screen->bottom_line->umode)
580 silc_free(app->screen->bottom_line->umode);
581 app->screen->bottom_line->umode = strdup("Server Operator");;
584 if (mode & SILC_UMODE_ROUTER_OPERATOR) {
585 if (app->screen->bottom_line->umode)
586 silc_free(app->screen->bottom_line->umode);
587 app->screen->bottom_line->umode = strdup("SILC Operator");;
590 silc_screen_print_bottom_line(app->screen, 0);
594 case SILC_COMMAND_OPER:
595 if (status == SILC_STATUS_OK) {
596 conn->local_entry->mode |= SILC_UMODE_SERVER_OPERATOR;
597 if (app->screen->bottom_line->umode)
598 silc_free(app->screen->bottom_line->umode);
599 app->screen->bottom_line->umode = strdup("Server Operator");;
600 silc_screen_print_bottom_line(app->screen, 0);
604 case SILC_COMMAND_SILCOPER:
605 if (status == SILC_STATUS_OK) {
606 conn->local_entry->mode |= SILC_UMODE_ROUTER_OPERATOR;
607 if (app->screen->bottom_line->umode)
608 silc_free(app->screen->bottom_line->umode);
609 app->screen->bottom_line->umode = strdup("SILC Operator");;
610 silc_screen_print_bottom_line(app->screen, 0);
614 case SILC_COMMAND_USERS:
618 silc_list_start(conn->current_channel->clients);
619 while ((chu = silc_list_get(conn->current_channel->clients))
621 if (chu->client == conn->local_entry) {
622 if (app->screen->bottom_line->mode)
623 silc_free(app->screen->bottom_line->mode);
624 app->screen->bottom_line->mode = silc_client_chumode_char(chu->mode);
625 silc_screen_print_bottom_line(app->screen, 0);
633 /* Called to indicate that connection was either successfully established
634 or connecting failed. This is also the first time application receives
635 the SilcClientConnection objecet which it should save somewhere. */
637 void silc_connect(SilcClient client, SilcClientConnection conn, int success)
639 SilcClientInternal app = (SilcClientInternal)client->application;
642 app->screen->bottom_line->connection = conn->remote_host;
643 silc_screen_print_bottom_line(app->screen, 0);
648 /* Called to indicate that connection was disconnected to the server. */
650 void silc_disconnect(SilcClient client, SilcClientConnection conn)
652 SilcClientInternal app = (SilcClientInternal)client->application;
654 app->screen->bottom_line->connection = NULL;
655 silc_screen_print_bottom_line(app->screen, 0);
659 /* Asks passphrase from user on the input line. */
661 unsigned char *silc_ask_passphrase(SilcClient client,
662 SilcClientConnection conn)
664 SilcClientInternal app = (SilcClientInternal)conn->client->application;
665 char pass1[256], pass2[256];
672 wattroff(app->screen->input_win, A_INVIS);
673 silc_screen_input_print_prompt(app->screen, "Passphrase: ");
674 wattron(app->screen->input_win, A_INVIS);
677 memset(pass1, 0, sizeof(pass1));
678 wgetnstr(app->screen->input_win, pass1, sizeof(pass1));
680 /* Print retype prompt */
681 wattroff(app->screen->input_win, A_INVIS);
682 silc_screen_input_print_prompt(app->screen, "Retype passphrase: ");
683 wattron(app->screen->input_win, A_INVIS);
686 memset(pass2, 0, sizeof(pass2));
687 wgetnstr(app->screen->input_win, pass2, sizeof(pass2));
689 if (!strncmp(pass1, pass2, strlen(pass2)))
695 ret = silc_calloc(strlen(pass1), sizeof(char));
696 memcpy(ret, pass1, strlen(pass1));
698 memset(pass1, 0, sizeof(pass1));
699 memset(pass2, 0, sizeof(pass2));
701 wattroff(app->screen->input_win, A_INVIS);
702 silc_screen_input_reset(app->screen);
707 /* Verifies received public key. If user decides to trust the key it is
708 saved as trusted server key for later use. If user does not trust the
709 key this returns FALSE. */
711 int silc_verify_server_key(SilcClient client,
712 SilcClientConnection conn,
713 unsigned char *pk, unsigned int pk_len,
714 SilcSKEPKType pk_type)
716 SilcSocketConnection sock = conn->sock;
719 char *hostname, *fingerprint;
723 hostname = sock->hostname ? sock->hostname : sock->ip;
725 if (pk_type != SILC_SKE_PK_TYPE_SILC) {
726 silc_say(client, conn, "We don't support server %s key type", hostname);
730 pw = getpwuid(getuid());
734 memset(filename, 0, sizeof(filename));
735 memset(file, 0, sizeof(file));
736 snprintf(file, sizeof(file) - 1, "serverkey_%s_%d.pub", hostname,
738 snprintf(filename, sizeof(filename) - 1, "%s/.silc/serverkeys/%s",
741 /* Check wheter this key already exists */
742 if (stat(filename, &st) < 0) {
744 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
745 silc_say(client, conn, "Received server %s public key", hostname);
746 silc_say(client, conn, "Fingerprint for the server %s key is", hostname);
747 silc_say(client, conn, "%s", fingerprint);
748 silc_free(fingerprint);
750 /* Ask user to verify the key and save it */
751 if (silc_client_ask_yes_no(client,
752 "Would you like to accept the key (y/n)? "))
754 /* Save the key for future checking */
755 silc_pkcs_save_public_key_data(filename, pk, pk_len,
760 /* The key already exists, verify it. */
761 SilcPublicKey public_key;
762 unsigned char *encpk;
763 unsigned int encpk_len;
765 /* Load the key file */
766 if (!silc_pkcs_load_public_key(filename, &public_key,
768 if (!silc_pkcs_load_public_key(filename, &public_key,
769 SILC_PKCS_FILE_BIN)) {
770 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
771 silc_say(client, conn, "Received server %s public key", hostname);
772 silc_say(client, conn, "Fingerprint for the server %s key is", hostname);
773 silc_say(client, conn, "%s", fingerprint);
774 silc_free(fingerprint);
775 silc_say(client, conn, "Could not load your local copy of the server %s key",
777 if (silc_client_ask_yes_no(client,
778 "Would you like to accept the key anyway (y/n)? "))
780 /* Save the key for future checking */
782 silc_pkcs_save_public_key_data(filename, pk, pk_len,
790 /* Encode the key data */
791 encpk = silc_pkcs_public_key_encode(public_key, &encpk_len);
793 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
794 silc_say(client, conn, "Received server %s public key", hostname);
795 silc_say(client, conn, "Fingerprint for the server %s key is", hostname);
796 silc_say(client, conn, "%s", fingerprint);
797 silc_free(fingerprint);
798 silc_say(client, conn, "Your local copy of the server %s key is malformed",
800 if (silc_client_ask_yes_no(client,
801 "Would you like to accept the key anyway (y/n)? "))
803 /* Save the key for future checking */
805 silc_pkcs_save_public_key_data(filename, pk, pk_len,
813 if (memcmp(encpk, pk, encpk_len)) {
814 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
815 silc_say(client, conn, "Received server %s public key", hostname);
816 silc_say(client, conn, "Fingerprint for the server %s key is", hostname);
817 silc_say(client, conn, "%s", fingerprint);
818 silc_free(fingerprint);
819 silc_say(client, conn, "Server %s key does not match with your local copy",
821 silc_say(client, conn, "It is possible that the key has expired or changed");
822 silc_say(client, conn, "It is also possible that some one is performing "
823 "man-in-the-middle attack");
825 /* Ask user to verify the key and save it */
826 if (silc_client_ask_yes_no(client,
827 "Would you like to accept the key anyway (y/n)? "))
829 /* Save the key for future checking */
831 silc_pkcs_save_public_key_data(filename, pk, pk_len,
836 silc_say(client, conn, "Will not accept server %s key", hostname);
840 /* Local copy matched */
844 silc_say(client, conn, "Will not accept server %s key", hostname);
848 /* Find authentication method and authentication data by hostname and
849 port. The hostname may be IP address as well. The found authentication
850 method and authentication data is returned to `auth_meth', `auth_data'
851 and `auth_data_len'. The function returns TRUE if authentication method
852 is found and FALSE if not. `conn' may be NULL. */
854 int silc_get_auth_method(SilcClient client, SilcClientConnection conn,
855 char *hostname, unsigned short port,
856 SilcProtocolAuthMeth *auth_meth,
857 unsigned char **auth_data,
858 unsigned int *auth_data_len)
860 SilcClientInternal app = (SilcClientInternal)client->application;
862 if (app->config->conns) {
863 SilcClientConfigSectionConnection *conn = NULL;
865 /* Check if we find a match from user configured connections */
866 conn = silc_client_config_find_connection(app->config,
870 /* Match found. Use the configured authentication method */
871 *auth_meth = conn->auth_meth;
873 if (conn->auth_data) {
874 *auth_data = strdup(conn->auth_data);
875 *auth_data_len = strlen(conn->auth_data);
885 /* Notifies application that failure packet was received. This is called
886 if there is some protocol active in the client. The `protocol' is the
887 protocol context. The `failure' is opaque pointer to the failure
888 indication. Note, that the `failure' is protocol dependant and application
889 must explicitly cast it to correct type. Usually `failure' is 32 bit
890 failure type (see protocol specs for all protocol failure types). */
892 void silc_failure(SilcClient client, SilcClientConnection conn,
893 SilcProtocol protocol, void *failure)
898 /* Asks whether the user would like to perform the key agreement protocol.
899 This is called after we have received an key agreement packet or an
900 reply to our key agreement packet. This returns TRUE if the user wants
901 the library to perform the key agreement protocol and FALSE if it is not
902 desired (application may start it later by calling the function
903 silc_client_perform_key_agreement). */
905 int silc_key_agreement(SilcClient client, SilcClientConnection conn,
906 SilcClientEntry client_entry, char *hostname,
908 SilcKeyAgreementCallback *completion,
915 /* SILC client operations */
916 SilcClientOperations ops = {
918 channel_message: silc_channel_message,
919 private_message: silc_private_message,
921 command: silc_command,
922 command_reply: silc_command_reply,
923 connect: silc_connect,
924 disconnect: silc_disconnect,
925 get_auth_method: silc_get_auth_method,
926 verify_server_key: silc_verify_server_key,
927 ask_passphrase: silc_ask_passphrase,
928 failure: silc_failure,
929 key_agreement: silc_key_agreement,