5 Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
7 Copyright (C) 2001 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
22 #include "chat-protocols.h"
26 #include "servers-setup.h"
27 #include "channels-setup.h"
28 #include "silc-servers.h"
29 #include "silc-channels.h"
30 #include "silc-queries.h"
31 #include "silc-nicklist.h"
37 #include "fe-common/core/printtext.h"
38 #include "fe-common/core/fe-channels.h"
39 #include "fe-common/core/keyboard.h"
40 #include "fe-common/core/window-items.h"
41 #include "fe-common/silc/module-formats.h"
46 silc_verify_public_key_internal(SilcClient client, SilcClientConnection conn,
47 const char *name, SilcSocketType conn_type,
48 unsigned char *pk, SilcUInt32 pk_len,
49 SilcSKEPKType pk_type,
50 SilcVerifyPublicKey completion, void *context);
52 static void silc_get_umode_string(SilcUInt32 mode, char *buf,
55 if ((mode & SILC_UMODE_SERVER_OPERATOR) ||
56 (mode & SILC_UMODE_ROUTER_OPERATOR)) {
57 strcat(buf, (mode & SILC_UMODE_SERVER_OPERATOR) ?
59 (mode & SILC_UMODE_ROUTER_OPERATOR) ?
60 "[SILC operator]" : "[unknown mode]");
62 if (mode & SILC_UMODE_GONE)
63 strcat(buf, " [away]");
64 if (mode & SILC_UMODE_INDISPOSED)
65 strcat(buf, " [indisposed]");
66 if (mode & SILC_UMODE_BUSY)
67 strcat(buf, " [busy]");
68 if (mode & SILC_UMODE_PAGE)
69 strcat(buf, " [page to reach]");
70 if (mode & SILC_UMODE_HYPER)
71 strcat(buf, " [hyper active]");
72 if (mode & SILC_UMODE_ROBOT)
73 strcat(buf, " [robot]");
74 if (mode & SILC_UMODE_ANONYMOUS)
75 strcat(buf, " [anonymous]");
76 if (mode & SILC_UMODE_BLOCK_PRIVMSG)
77 strcat(buf, " [blocks private messages]");
78 if (mode & SILC_UMODE_DETACHED)
79 strcat(buf, " [detached]");
80 if (mode & SILC_UMODE_REJECT_WATCHING)
81 strcat(buf, " [rejects watching]");
82 if (mode & SILC_UMODE_BLOCK_INVITE)
83 strcat(buf, " [blocks invites]");
86 /* print "nick appears as" message to every channel of a server */
88 silc_print_nick_change_channel(SILC_SERVER_REC *server, const char *channel,
89 const char *newnick, const char *oldnick,
92 if (ignore_check(SERVER(server), oldnick, address,
93 channel, newnick, MSGLEVEL_NICKS))
96 printformat_module("fe-common/silc", server, channel, MSGLEVEL_NICKS,
97 SILCTXT_CHANNEL_APPEARS,
98 oldnick, newnick, channel, address);
102 silc_print_nick_change(SILC_SERVER_REC *server, const char *newnick,
103 const char *oldnick, const char *address)
105 GSList *tmp, *windows;
107 /* Print to each channel/query where the nick is.
108 Don't print more than once to the same window. */
111 for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
112 CHANNEL_REC *channel = tmp->data;
113 WINDOW_REC *window = window_item_window((WI_ITEM_REC *) channel);
115 if (nicklist_find(channel, newnick) == NULL ||
116 g_slist_find(windows, window) != NULL)
119 windows = g_slist_append(windows, window);
120 silc_print_nick_change_channel(server, channel->visible_name,
121 newnick, oldnick, address);
124 g_slist_free(windows);
127 void silc_say(SilcClient client, SilcClientConnection conn,
128 SilcClientMessageType type, char *msg, ...)
130 SILC_SERVER_REC *server;
134 server = conn == NULL ? NULL : conn->context;
137 str = g_strdup_vprintf(msg, va);
138 printtext(server, NULL, MSGLEVEL_CRAP, "%s", str);
143 void silc_say_error(char *msg, ...)
149 str = g_strdup_vprintf(msg, va);
150 printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "%s", str);
156 /* try to verify a message using locally stored public key data */
157 int verify_message_signature(SilcClientEntry sender,
158 SilcMessageSignedPayload sig,
159 SilcMessagePayload message)
162 char file[256], filename[256];
163 char *fingerprint, *fingerprint2;
164 unsigned char *pk_data;
165 SilcUInt32 pk_datalen;
167 int ret = SILC_MSG_SIGNED_VERIFIED, i;
170 return SILC_MSG_SIGNED_UNKNOWN;
172 /* get public key from the signature payload and compare it with the
173 one stored in the client entry */
174 pk = silc_message_signed_get_public_key(sig, &pk_data, &pk_datalen);
177 fingerprint = silc_hash_fingerprint(NULL, pk_data, pk_datalen);
179 if (sender->fingerprint) {
180 fingerprint2 = silc_fingerprint(sender->fingerprint,
181 sender->fingerprint_len);
182 if (strcmp(fingerprint, fingerprint2)) {
183 /* since the public key differs from the senders public key, the
184 verification _failed_ */
185 silc_pkcs_public_key_free(pk);
186 silc_free(fingerprint);
187 ret = SILC_MSG_SIGNED_UNKNOWN;
189 silc_free(fingerprint2);
191 } else if (sender->fingerprint)
192 fingerprint = silc_fingerprint(sender->fingerprint,
193 sender->fingerprint_len);
195 /* no idea, who or what signed that message ... */
196 return SILC_MSG_SIGNED_UNKNOWN;
198 /* search our local client key cache */
199 for (i = 0; i < strlen(fingerprint); i++)
200 if (fingerprint[i] == ' ')
201 fingerprint[i] = '_';
203 snprintf(file, sizeof(file) - 1, "clientkey_%s.pub", fingerprint);
204 snprintf(filename, sizeof(filename) - 1, "%s/clientkeys/%s",
205 get_irssi_dir(), file);
206 silc_free(fingerprint);
208 if (stat(filename, &st) < 0)
209 /* we don't have the public key cached ... use the one from the sig */
210 ret = SILC_MSG_SIGNED_UNKNOWN;
212 SilcPublicKey cached_pk=NULL;
214 /* try to load the file */
215 if (!silc_pkcs_load_public_key(filename, &cached_pk, SILC_PKCS_FILE_PEM) &&
216 !silc_pkcs_load_public_key(filename, &cached_pk,
217 SILC_PKCS_FILE_BIN)) {
218 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
219 SILCTXT_PUBKEY_COULD_NOT_LOAD, "client");
221 return SILC_MSG_SIGNED_UNKNOWN;
223 ret = SILC_MSG_SIGNED_UNKNOWN;
228 silc_pkcs_public_key_free(pk);
233 /* the public key is now in pk, our "level of trust" in ret */
234 if ((pk) && silc_message_signed_verify(sig, message, pk,
235 silc_client->sha1hash)!= SILC_AUTH_OK)
236 ret = SILC_MSG_SIGNED_FAILED;
239 silc_pkcs_public_key_free(pk);
244 /* Message for a channel. The `sender' is the nickname of the sender
245 received in the packet. The `channel_name' is the name of the channel. */
247 void silc_channel_message(SilcClient client, SilcClientConnection conn,
248 SilcClientEntry sender, SilcChannelEntry channel,
249 SilcMessagePayload payload,
250 SilcMessageFlags flags, const unsigned char *message,
251 SilcUInt32 message_len)
253 SILC_SERVER_REC *server;
255 SILC_CHANNEL_REC *chanrec;
258 SILC_LOG_DEBUG(("Start"));
263 server = conn == NULL ? NULL : conn->context;
264 chanrec = silc_channel_find_entry(server, channel);
268 nick = silc_nicklist_find(chanrec, sender);
270 /* We didn't find client but it clearly exists, add it. */
271 SilcChannelUser chu = silc_client_on_channel(channel, sender);
273 nick = silc_nicklist_insert(chanrec, chu, FALSE);
276 /* If the messages is digitally signed, verify it, if possible. */
277 if (flags & SILC_MESSAGE_FLAG_SIGNED) {
278 if (!settings_get_bool("ignore_message_signatures")) {
279 SilcMessageSignedPayload sig = silc_message_get_signature(payload);
280 verified = verify_message_signature(sender, sig, payload);
282 flags &= ~SILC_MESSAGE_FLAG_SIGNED;
286 if (flags & SILC_MESSAGE_FLAG_DATA) {
287 /* MIME object received, try to display it as well as we can */
288 char type[128], enc[128];
292 memset(type, 0, sizeof(type));
293 memset(enc, 0, sizeof(enc));
294 if (!silc_mime_parse(message, message_len, NULL, 0, type, sizeof(type) - 1,
295 enc, sizeof(enc) - 1, &data, &data_len))
298 /* Then figure out what we can display */
299 if (strstr(type, "text/") && !strstr(type, "text/t140") &&
300 !strstr(type, "text/vnd")) {
301 /* It is something textual, display it */
302 message = (const unsigned char *)data;
304 printformat_module("fe-common/silc", server, channel->channel_name,
305 MSGLEVEL_CRAP, SILCTXT_MESSAGE_DATA,
306 nick == NULL ? "[<unknown>]" : nick->nick, type);
314 /* FIXME: replace those printformat calls with signals and add signature
315 information to them (if present) */
316 if (flags & SILC_MESSAGE_FLAG_ACTION)
317 printformat_module("fe-common/silc", server, channel->channel_name,
318 MSGLEVEL_ACTIONS, SILCTXT_CHANNEL_ACTION,
319 nick == NULL ? "[<unknown>]" : nick->nick, message);
320 else if (flags & SILC_MESSAGE_FLAG_NOTICE)
321 printformat_module("fe-common/silc", server, channel->channel_name,
322 MSGLEVEL_NOTICES, SILCTXT_CHANNEL_NOTICE,
323 nick == NULL ? "[<unknown>]" : nick->nick, message);
325 if (flags & SILC_MESSAGE_FLAG_UTF8 && !silc_term_utf8()) {
326 char tmp[256], *cp, *dm = NULL;
328 memset(tmp, 0, sizeof(tmp));
330 if (message_len > sizeof(tmp) - 1) {
331 dm = silc_calloc(message_len + 1, sizeof(*dm));
335 silc_utf8_decode(message, message_len, SILC_STRING_LANGUAGE,
337 if (flags & SILC_MESSAGE_FLAG_SIGNED)
338 signal_emit("message signed_public", 6, server, cp,
339 nick == NULL ? "[<unknown>]" : nick->nick,
340 nick == NULL ? "" : nick->host == NULL ? "" : nick->host,
341 chanrec->name, verified);
343 signal_emit("message public", 6, server, cp,
344 nick == NULL ? "[<unknown>]" : nick->nick,
345 nick == NULL ? "" : nick->host == NULL ? "" : nick->host,
346 chanrec->name, nick);
351 if (flags & SILC_MESSAGE_FLAG_SIGNED)
352 signal_emit("message signed_public", 6, server, message,
353 nick == NULL ? "[<unknown>]" : nick->nick,
354 nick == NULL ? "" : nick->host == NULL ? "" : nick->host,
355 chanrec->name, verified);
357 signal_emit("message public", 6, server, message,
358 nick == NULL ? "[<unknown>]" : nick->nick,
359 nick == NULL ? "" : nick->host == NULL ? "" : nick->host,
360 chanrec->name, nick);
364 /* Private message to the client. The `sender' is the nickname of the
365 sender received in the packet. */
367 void silc_private_message(SilcClient client, SilcClientConnection conn,
368 SilcClientEntry sender, SilcMessagePayload payload,
369 SilcMessageFlags flags,
370 const unsigned char *message,
371 SilcUInt32 message_len)
373 SILC_SERVER_REC *server;
377 SILC_LOG_DEBUG(("Start"));
379 server = conn == NULL ? NULL : conn->context;
380 memset(userhost, 0, sizeof(userhost));
381 if (sender->username)
382 snprintf(userhost, sizeof(userhost) - 1, "%s@%s",
383 sender->username, sender->hostname);
385 /* If the messages is digitally signed, verify it, if possible. */
386 if (flags & SILC_MESSAGE_FLAG_SIGNED) {
387 if (!settings_get_bool("ignore_message_signatures")) {
388 SilcMessageSignedPayload sig = silc_message_get_signature(payload);
389 verified = verify_message_signature(sender, sig, payload);
391 flags &= ~SILC_MESSAGE_FLAG_SIGNED;
395 if (flags & SILC_MESSAGE_FLAG_DATA) {
396 /* MIME object received, try to display it as well as we can */
397 char type[128], enc[128];
401 memset(type, 0, sizeof(type));
402 memset(enc, 0, sizeof(enc));
403 if (!silc_mime_parse(message, message_len, NULL, 0, type, sizeof(type) - 1,
404 enc, sizeof(enc) - 1, &data, &data_len))
407 /* Then figure out what we can display */
408 if (strstr(type, "text/") && !strstr(type, "text/t140") &&
409 !strstr(type, "text/vnd")) {
410 /* It is something textual, display it */
411 message = (const unsigned char *)data;
413 printformat_module("fe-common/silc", server, NULL,
414 MSGLEVEL_CRAP, SILCTXT_MESSAGE_DATA,
415 sender->nickname ? sender->nickname : "[<unknown>]",
424 if (flags & SILC_MESSAGE_FLAG_UTF8 && !silc_term_utf8()) {
425 char tmp[256], *cp, *dm = NULL;
427 memset(tmp, 0, sizeof(tmp));
429 if (message_len > sizeof(tmp) - 1) {
430 dm = silc_calloc(message_len + 1, sizeof(*dm));
434 silc_utf8_decode(message, message_len, SILC_STRING_LANGUAGE,
436 if (flags & SILC_MESSAGE_FLAG_SIGNED)
437 signal_emit("message signed_private", 5, server, cp,
438 sender->nickname ? sender->nickname : "[<unknown>]",
439 sender->username ? userhost : NULL, verified);
441 signal_emit("message private", 4, server, cp,
442 sender->nickname ? sender->nickname : "[<unknown>]",
443 sender->username ? userhost : NULL);
448 if (flags & SILC_MESSAGE_FLAG_SIGNED)
449 signal_emit("message signed_private", 5, server, message,
450 sender->nickname ? sender->nickname : "[<unknown>]",
451 sender->username ? userhost : NULL, verified);
453 signal_emit("message private", 4, server, message,
454 sender->nickname ? sender->nickname : "[<unknown>]",
455 sender->username ? userhost : NULL);
458 /* Notify message to the client. The notify arguments are sent in the
459 same order as servers sends them. The arguments are same as received
460 from the server except for ID's. If ID is received application receives
461 the corresponding entry to the ID. For example, if Client ID is received
462 application receives SilcClientEntry. Also, if the notify type is
463 for channel the channel entry is sent to application (even if server
464 does not send it). */
466 void silc_notify(SilcClient client, SilcClientConnection conn,
467 SilcNotifyType type, ...)
470 SILC_SERVER_REC *server;
471 SILC_CHANNEL_REC *chanrec;
472 SILC_NICK_REC *nickrec;
473 SilcClientEntry client_entry, client_entry2;
474 SilcChannelEntry channel, channel2;
475 SilcServerEntry server_entry;
481 GSList *list1, *list_tmp;
483 SILC_LOG_DEBUG(("Start"));
487 server = conn == NULL ? NULL : conn->context;
490 case SILC_NOTIFY_TYPE_NONE:
491 /* Some generic notice from server */
492 printtext(server, NULL, MSGLEVEL_CRAP, "%s", (char *)va_arg(va, char *));
495 case SILC_NOTIFY_TYPE_INVITE:
497 * Invited or modified invite list.
500 SILC_LOG_DEBUG(("Notify: INVITE"));
502 channel = va_arg(va, SilcChannelEntry);
503 name = va_arg(va, char *);
504 client_entry = va_arg(va, SilcClientEntry);
506 memset(buf, 0, sizeof(buf));
507 snprintf(buf, sizeof(buf) - 1, "%s@%s",
508 client_entry->username, client_entry->hostname);
509 signal_emit("message invite", 4, server, channel ? channel->channel_name :
510 name, client_entry->nickname, buf);
513 case SILC_NOTIFY_TYPE_JOIN:
518 SILC_LOG_DEBUG(("Notify: JOIN"));
520 client_entry = va_arg(va, SilcClientEntry);
521 channel = va_arg(va, SilcChannelEntry);
523 if (client_entry == server->conn->local_entry) {
524 /* You joined to channel */
525 chanrec = silc_channel_find(server, channel->channel_name);
526 if (chanrec != NULL && !chanrec->joined)
527 chanrec->entry = channel;
529 chanrec = silc_channel_find_entry(server, channel);
530 if (chanrec != NULL) {
531 SilcChannelUser chu = silc_client_on_channel(channel, client_entry);
533 nickrec = silc_nicklist_insert(chanrec, chu, TRUE);
537 memset(buf, 0, sizeof(buf));
538 if (client_entry->username)
539 snprintf(buf, sizeof(buf) - 1, "%s@%s",
540 client_entry->username, client_entry->hostname);
541 signal_emit("message join", 4, server, channel->channel_name,
542 client_entry->nickname,
543 client_entry->username == NULL ? "" : buf);
546 case SILC_NOTIFY_TYPE_LEAVE:
551 SILC_LOG_DEBUG(("Notify: LEAVE"));
553 client_entry = va_arg(va, SilcClientEntry);
554 channel = va_arg(va, SilcChannelEntry);
556 memset(buf, 0, sizeof(buf));
557 if (client_entry->username)
558 snprintf(buf, sizeof(buf) - 1, "%s@%s",
559 client_entry->username, client_entry->hostname);
560 signal_emit("message part", 5, server, channel->channel_name,
561 client_entry->nickname, client_entry->username ?
562 buf : "", client_entry->nickname);
564 chanrec = silc_channel_find_entry(server, channel);
565 if (chanrec != NULL) {
566 nickrec = silc_nicklist_find(chanrec, client_entry);
568 nicklist_remove(CHANNEL(chanrec), NICK(nickrec));
572 case SILC_NOTIFY_TYPE_SIGNOFF:
577 SILC_LOG_DEBUG(("Notify: SIGNOFF"));
579 client_entry = va_arg(va, SilcClientEntry);
580 tmp = va_arg(va, char *);
582 silc_server_free_ftp(server, client_entry);
584 /* Print only if we have the nickname. If this cliente has just quit
585 when we were only resolving it, it is possible we don't have the
587 if (client_entry->nickname) {
588 memset(buf, 0, sizeof(buf));
589 if (client_entry->username)
590 snprintf(buf, sizeof(buf) - 1, "%s@%s",
591 client_entry->username, client_entry->hostname);
592 signal_emit("message quit", 4, server, client_entry->nickname,
593 client_entry->username ? buf : "",
597 list1 = nicklist_get_same_unique(SERVER(server), client_entry);
598 for (list_tmp = list1; list_tmp != NULL; list_tmp =
599 list_tmp->next->next) {
600 CHANNEL_REC *channel = list_tmp->data;
601 NICK_REC *nickrec = list_tmp->next->data;
603 nicklist_remove(channel, nickrec);
607 case SILC_NOTIFY_TYPE_TOPIC_SET:
612 SILC_LOG_DEBUG(("Notify: TOPIC_SET"));
614 idtype = va_arg(va, int);
615 entry = va_arg(va, void *);
616 tmp = va_arg(va, char *);
617 channel = va_arg(va, SilcChannelEntry);
619 chanrec = silc_channel_find_entry(server, channel);
620 if (chanrec != NULL) {
621 char tmp2[256], *cp, *dm = NULL;
623 g_free_not_null(chanrec->topic);
624 if (tmp && !silc_term_utf8() && silc_utf8_valid(tmp, strlen(tmp))) {
625 memset(tmp2, 0, sizeof(tmp2));
627 if (strlen(tmp) > sizeof(tmp2) - 1) {
628 dm = silc_calloc(strlen(tmp) + 1, sizeof(*dm));
632 silc_utf8_decode(tmp, strlen(tmp), SILC_STRING_LANGUAGE,
637 chanrec->topic = *tmp == '\0' ? NULL : g_strdup(tmp);
638 signal_emit("channel topic changed", 1, chanrec);
643 if (idtype == SILC_ID_CLIENT) {
644 client_entry = (SilcClientEntry)entry;
645 memset(buf, 0, sizeof(buf));
646 snprintf(buf, sizeof(buf) - 1, "%s@%s",
647 client_entry->username, client_entry->hostname);
648 signal_emit("message topic", 5, server, channel->channel_name,
649 tmp, client_entry->nickname, buf);
650 } else if (idtype == SILC_ID_SERVER) {
651 server_entry = (SilcServerEntry)entry;
652 signal_emit("message topic", 5, server, channel->channel_name,
653 tmp, server_entry->server_name,
654 server_entry->server_name);
655 } else if (idtype == SILC_ID_CHANNEL) {
656 channel = (SilcChannelEntry)entry;
657 signal_emit("message topic", 5, server, channel->channel_name,
658 tmp, channel->channel_name, channel->channel_name);
662 case SILC_NOTIFY_TYPE_NICK_CHANGE:
667 SILC_LOG_DEBUG(("Notify: NICK_CHANGE"));
669 client_entry = va_arg(va, SilcClientEntry);
670 client_entry2 = va_arg(va, SilcClientEntry);
672 if (!strcmp(client_entry->nickname, client_entry2->nickname))
675 memset(buf, 0, sizeof(buf));
676 snprintf(buf, sizeof(buf) - 1, "%s@%s",
677 client_entry2->username, client_entry2->hostname);
678 nicklist_rename_unique(SERVER(server),
679 client_entry, client_entry->nickname,
680 client_entry2, client_entry2->nickname);
681 signal_emit("message nick", 4, server, client_entry2->nickname,
682 client_entry->nickname, buf);
685 case SILC_NOTIFY_TYPE_CMODE_CHANGE:
687 * Changed channel mode.
690 SILC_LOG_DEBUG(("Notify: CMODE_CHANGE"));
692 idtype = va_arg(va, int);
693 entry = va_arg(va, void *);
694 mode = va_arg(va, SilcUInt32);
695 (void)va_arg(va, char *);
696 (void)va_arg(va, char *);
697 channel = va_arg(va, SilcChannelEntry);
699 tmp = silc_client_chmode(mode,
700 channel->channel_key ?
701 silc_cipher_get_name(channel->channel_key) : "",
703 silc_hmac_get_name(channel->hmac) : "");
705 chanrec = silc_channel_find_entry(server, channel);
706 if (chanrec != NULL) {
707 g_free_not_null(chanrec->mode);
708 chanrec->mode = g_strdup(tmp == NULL ? "" : tmp);
709 signal_emit("channel mode changed", 1, chanrec);
712 if (idtype == SILC_ID_CLIENT) {
713 client_entry = (SilcClientEntry)entry;
714 printformat_module("fe-common/silc", server, channel->channel_name,
715 MSGLEVEL_MODES, SILCTXT_CHANNEL_CMODE,
716 channel->channel_name, tmp ? tmp : "removed all",
717 client_entry->nickname);
718 } else if (idtype == SILC_ID_SERVER) {
719 server_entry = (SilcServerEntry)entry;
720 printformat_module("fe-common/silc", server, channel->channel_name,
721 MSGLEVEL_MODES, SILCTXT_CHANNEL_CMODE,
722 channel->channel_name, tmp ? tmp : "removed all",
723 server_entry->server_name);
724 } else if (idtype == SILC_ID_CHANNEL) {
725 channel2 = (SilcChannelEntry)entry;
726 printformat_module("fe-common/silc", server, channel->channel_name,
727 MSGLEVEL_MODES, SILCTXT_CHANNEL_CMODE,
728 channel->channel_name, tmp ? tmp : "removed all",
729 channel2->channel_name);
735 case SILC_NOTIFY_TYPE_CUMODE_CHANGE:
737 * Changed user's mode on channel.
740 SILC_LOG_DEBUG(("Notify: CUMODE_CHANGE"));
742 idtype = va_arg(va, int);
743 entry = va_arg(va, void *);
744 mode = va_arg(va, SilcUInt32);
745 client_entry2 = va_arg(va, SilcClientEntry);
746 channel = va_arg(va, SilcChannelEntry);
748 tmp = silc_client_chumode(mode);
749 chanrec = silc_channel_find_entry(server, channel);
750 if (chanrec != NULL) {
753 if (client_entry2 == server->conn->local_entry)
754 chanrec->chanop = (mode & SILC_CHANNEL_UMODE_CHANOP) != 0;
756 nick = silc_nicklist_find(chanrec, client_entry2);
758 nick->op = (mode & SILC_CHANNEL_UMODE_CHANOP) != 0;
759 nick->founder = (mode & SILC_CHANNEL_UMODE_CHANFO) != 0;
760 signal_emit("nick mode changed", 2, chanrec, nick);
764 if (idtype == SILC_ID_CLIENT) {
765 client_entry = (SilcClientEntry)entry;
766 printformat_module("fe-common/silc", server, channel->channel_name,
767 MSGLEVEL_MODES, SILCTXT_CHANNEL_CUMODE,
768 channel->channel_name, client_entry2->nickname,
769 tmp ? tmp : "removed all",
770 client_entry->nickname);
771 } else if (idtype == SILC_ID_SERVER) {
772 server_entry = (SilcServerEntry)entry;
773 printformat_module("fe-common/silc", server, channel->channel_name,
774 MSGLEVEL_MODES, SILCTXT_CHANNEL_CUMODE,
775 channel->channel_name, client_entry2->nickname,
776 tmp ? tmp : "removed all",
777 server_entry->server_name);
778 } else if (idtype == SILC_ID_CHANNEL) {
779 channel2 = (SilcChannelEntry)entry;
780 printformat_module("fe-common/silc", server, channel->channel_name,
781 MSGLEVEL_MODES, SILCTXT_CHANNEL_CUMODE,
782 channel->channel_name, client_entry2->nickname,
783 tmp ? tmp : "removed all",
784 channel2->channel_name);
787 if (mode & SILC_CHANNEL_UMODE_CHANFO)
788 printformat_module("fe-common/silc",
789 server, channel->channel_name, MSGLEVEL_CRAP,
790 SILCTXT_CHANNEL_FOUNDER,
791 channel->channel_name, client_entry2->nickname);
793 if (mode & SILC_CHANNEL_UMODE_QUIET && conn->local_entry == client_entry2)
794 printformat_module("fe-common/silc",
795 server, channel->channel_name, MSGLEVEL_CRAP,
796 SILCTXT_CHANNEL_QUIETED, channel->channel_name);
801 case SILC_NOTIFY_TYPE_MOTD:
806 SILC_LOG_DEBUG(("Notify: MOTD"));
808 tmp = va_arg(va, char *);
810 if (!settings_get_bool("skip_motd"))
811 printtext_multiline(server, NULL, MSGLEVEL_CRAP, "%s", tmp);
814 case SILC_NOTIFY_TYPE_KICKED:
816 * Someone was kicked from channel.
819 SILC_LOG_DEBUG(("Notify: KICKED"));
821 client_entry = va_arg(va, SilcClientEntry);
822 tmp = va_arg(va, char *);
823 client_entry2 = va_arg(va, SilcClientEntry);
824 channel = va_arg(va, SilcChannelEntry);
826 chanrec = silc_channel_find_entry(server, channel);
828 if (client_entry == conn->local_entry) {
829 printformat_module("fe-common/silc", server, channel->channel_name,
830 MSGLEVEL_CRAP, SILCTXT_CHANNEL_KICKED_YOU,
831 channel->channel_name,
832 client_entry ? client_entry2->nickname : "",
835 chanrec->kicked = TRUE;
836 channel_destroy((CHANNEL_REC *)chanrec);
839 printformat_module("fe-common/silc", server, channel->channel_name,
840 MSGLEVEL_CRAP, SILCTXT_CHANNEL_KICKED,
841 client_entry->nickname, channel->channel_name,
842 client_entry2 ? client_entry2->nickname : "",
846 SILC_NICK_REC *nickrec = silc_nicklist_find(chanrec, client_entry);
848 nicklist_remove(CHANNEL(chanrec), NICK(nickrec));
853 case SILC_NOTIFY_TYPE_KILLED:
855 * Someone was killed from the network.
858 SILC_LOG_DEBUG(("Notify: KILLED"));
860 client_entry = va_arg(va, SilcClientEntry);
861 tmp = va_arg(va, char *);
862 idtype = va_arg(va, int);
863 entry = va_arg(va, SilcClientEntry);
865 if (client_entry == conn->local_entry) {
866 if (idtype == SILC_ID_CLIENT) {
867 client_entry2 = (SilcClientEntry)entry;
868 printformat_module("fe-common/silc", server, NULL,
869 MSGLEVEL_CRAP, SILCTXT_CHANNEL_KILLED_YOU,
870 client_entry2 ? client_entry2->nickname : "",
872 } else if (idtype == SILC_ID_SERVER) {
873 server_entry = (SilcServerEntry)entry;
874 printformat_module("fe-common/silc", server, NULL,
875 MSGLEVEL_CRAP, SILCTXT_CHANNEL_KILLED_YOU,
876 server_entry->server_name, tmp ? tmp : "");
877 } else if (idtype == SILC_ID_CHANNEL) {
878 channel = (SilcChannelEntry)entry;
879 printformat_module("fe-common/silc", server, NULL,
880 MSGLEVEL_CRAP, SILCTXT_CHANNEL_KILLED_YOU,
881 channel->channel_name, tmp ? tmp : "");
884 list1 = nicklist_get_same_unique(SERVER(server), client_entry);
885 for (list_tmp = list1; list_tmp != NULL; list_tmp =
886 list_tmp->next->next) {
887 CHANNEL_REC *channel = list_tmp->data;
888 NICK_REC *nickrec = list_tmp->next->data;
889 nicklist_remove(channel, nickrec);
892 if (idtype == SILC_ID_CLIENT) {
893 client_entry2 = (SilcClientEntry)entry;
894 printformat_module("fe-common/silc", server, NULL,
895 MSGLEVEL_CRAP, SILCTXT_CHANNEL_KILLED,
896 client_entry->nickname,
897 client_entry2 ? client_entry2->nickname : "",
899 } else if (idtype == SILC_ID_SERVER) {
900 server_entry = (SilcServerEntry)entry;
901 printformat_module("fe-common/silc", server, NULL,
902 MSGLEVEL_CRAP, SILCTXT_CHANNEL_KILLED,
903 client_entry->nickname,
904 server_entry->server_name, tmp ? tmp : "");
905 } else if (idtype == SILC_ID_CHANNEL) {
906 channel = (SilcChannelEntry)entry;
907 printformat_module("fe-common/silc", server, NULL,
908 MSGLEVEL_CRAP, SILCTXT_CHANNEL_KILLED,
909 client_entry->nickname,
910 channel->channel_name, tmp ? tmp : "");
915 case SILC_NOTIFY_TYPE_CHANNEL_CHANGE:
918 case SILC_NOTIFY_TYPE_SERVER_SIGNOFF:
921 * Server has quit the network.
924 SilcClientEntry *clients;
925 SilcUInt32 clients_count;
927 SILC_LOG_DEBUG(("Notify: SIGNOFF"));
929 (void)va_arg(va, void *);
930 clients = va_arg(va, SilcClientEntry *);
931 clients_count = va_arg(va, SilcUInt32);
933 for (i = 0; i < clients_count; i++) {
934 memset(buf, 0, sizeof(buf));
936 /* Print only if we have the nickname. If this client has just quit
937 when we were only resolving it, it is possible we don't have the
939 if (clients[i]->nickname) {
940 if (clients[i]->username)
941 snprintf(buf, sizeof(buf) - 1, "%s@%s",
942 clients[i]->username, clients[i]->hostname);
943 signal_emit("message quit", 4, server, clients[i]->nickname,
944 clients[i]->username ? buf : "",
948 silc_server_free_ftp(server, clients[i]);
950 list1 = nicklist_get_same_unique(SERVER(server), clients[i]);
951 for (list_tmp = list1; list_tmp != NULL; list_tmp =
952 list_tmp->next->next) {
953 CHANNEL_REC *channel = list_tmp->data;
954 NICK_REC *nickrec = list_tmp->next->data;
955 nicklist_remove(channel, nickrec);
961 case SILC_NOTIFY_TYPE_ERROR:
963 SilcStatus error = va_arg(va, int);
965 silc_say(client, conn, SILC_CLIENT_MESSAGE_ERROR,
966 "%s", silc_get_status_message(error));
970 case SILC_NOTIFY_TYPE_WATCH:
972 SilcNotifyType notify;
974 client_entry = va_arg(va, SilcClientEntry);
975 name = va_arg(va, char *); /* Maybe NULL */
976 mode = va_arg(va, SilcUInt32);
977 notify = va_arg(va, int);
979 if (notify == SILC_NOTIFY_TYPE_NICK_CHANGE) {
981 printformat_module("fe-common/silc", server, NULL,
982 MSGLEVEL_CRAP, SILCTXT_WATCH_NICK_CHANGE,
983 client_entry->nickname, name);
985 printformat_module("fe-common/silc", server, NULL,
986 MSGLEVEL_CRAP, SILCTXT_WATCH_PRESENT,
987 client_entry->nickname);
988 } else if (notify == SILC_NOTIFY_TYPE_UMODE_CHANGE) {
989 /* See if client was away and is now present */
990 if (!(mode & (SILC_UMODE_GONE | SILC_UMODE_INDISPOSED |
991 SILC_UMODE_BUSY | SILC_UMODE_PAGE |
992 SILC_UMODE_DETACHED)) &&
993 (client_entry->mode & SILC_UMODE_GONE ||
994 client_entry->mode & SILC_UMODE_INDISPOSED ||
995 client_entry->mode & SILC_UMODE_BUSY ||
996 client_entry->mode & SILC_UMODE_PAGE ||
997 client_entry->mode & SILC_UMODE_DETACHED)) {
998 printformat_module("fe-common/silc", server, NULL,
999 MSGLEVEL_CRAP, SILCTXT_WATCH_PRESENT,
1000 client_entry->nickname);
1004 memset(buf, 0, sizeof(buf));
1005 silc_get_umode_string(mode, buf, sizeof(buf) - 1);
1006 printformat_module("fe-common/silc", server, NULL,
1007 MSGLEVEL_CRAP, SILCTXT_WATCH_UMODE_CHANGE,
1008 client_entry->nickname, buf);
1010 } else if (notify == SILC_NOTIFY_TYPE_KILLED) {
1011 printformat_module("fe-common/silc", server, NULL,
1012 MSGLEVEL_CRAP, SILCTXT_WATCH_KILLED,
1013 client_entry->nickname);
1014 } else if (notify == SILC_NOTIFY_TYPE_SIGNOFF ||
1015 notify == SILC_NOTIFY_TYPE_SERVER_SIGNOFF) {
1016 printformat_module("fe-common/silc", server, NULL,
1017 MSGLEVEL_CRAP, SILCTXT_WATCH_SIGNOFF,
1018 client_entry->nickname);
1019 } else if (notify == SILC_NOTIFY_TYPE_NONE) {
1020 /* Client logged in to the network */
1021 printformat_module("fe-common/silc", server, NULL,
1022 MSGLEVEL_CRAP, SILCTXT_WATCH_PRESENT,
1023 client_entry->nickname);
1029 /* Unknown notify */
1030 printformat_module("fe-common/silc", server, NULL,
1031 MSGLEVEL_CRAP, SILCTXT_UNKNOWN_NOTIFY, type);
1038 /* Called to indicate that connection was either successfully established
1039 or connecting failed. This is also the first time application receives
1040 the SilcClientConnection object which it should save somewhere. */
1042 void silc_connect(SilcClient client, SilcClientConnection conn,
1043 SilcClientConnectionStatus status)
1045 SILC_SERVER_REC *server = conn->context;
1047 if (!server || server->disconnected) {
1048 silc_client_close_connection(client, conn);
1053 case SILC_CLIENT_CONN_SUCCESS:
1054 /* We have successfully connected to server */
1055 server->connected = TRUE;
1056 signal_emit("event connected", 1, server);
1059 case SILC_CLIENT_CONN_SUCCESS_RESUME:
1060 /* We have successfully resumed old detached session */
1061 server->connected = TRUE;
1062 signal_emit("event connected", 1, server);
1064 /* If we resumed old session check whether we need to update
1066 if (strcmp(server->nick, conn->local_entry->nickname)) {
1068 old = g_strdup(server->nick);
1069 server_change_nick(SERVER(server), conn->local_entry->nickname);
1070 nicklist_rename_unique(SERVER(server),
1071 conn->local_entry, server->nick,
1072 conn->local_entry, conn->local_entry->nickname);
1073 signal_emit("message own_nick", 4, server, server->nick, old, "");
1079 server->connection_lost = TRUE;
1081 server->conn->context = NULL;
1082 server_disconnect(SERVER(server));
1087 /* Called to indicate that connection was disconnected to the server. */
1089 void silc_disconnect(SilcClient client, SilcClientConnection conn,
1090 SilcStatus status, const char *message)
1092 SILC_SERVER_REC *server = conn->context;
1094 SILC_LOG_DEBUG(("Start"));
1096 if (!server || server->connection_lost)
1099 if (server->conn && server->conn->local_entry) {
1100 nicklist_rename_unique(SERVER(server),
1101 server->conn->local_entry, server->nick,
1102 server->conn->local_entry,
1103 silc_client->username);
1104 silc_change_nick(server, silc_client->username);
1108 silc_say(client, conn, SILC_CLIENT_MESSAGE_AUDIT,
1109 "Server closed connection: %s (%d) %s",
1110 silc_get_status_message(status), status,
1111 message ? message : "");
1114 server->conn->context = NULL;
1115 server->conn = NULL;
1116 server->connection_lost = TRUE;
1117 server_disconnect(SERVER(server));
1120 /* Command handler. This function is called always in the command function.
1121 If error occurs it will be called as well. `conn' is the associated
1122 client connection. `cmd_context' is the command context that was
1123 originally sent to the command. `success' is FALSE if error occured
1124 during command. `command' is the command being processed. It must be
1125 noted that this is not reply from server. This is merely called just
1126 after application has called the command. Just to tell application
1127 that the command really was processed. */
1129 void silc_command(SilcClient client, SilcClientConnection conn,
1130 SilcClientCommandContext cmd_context, bool success,
1131 SilcCommand command, SilcStatus status)
1133 SILC_SERVER_REC *server = conn->context;
1135 SILC_LOG_DEBUG(("Start"));
1138 silc_say_error("%s", silc_get_status_message(status));
1144 case SILC_COMMAND_INVITE:
1145 if (cmd_context->argc > 2)
1146 printformat_module("fe-common/silc", server, NULL,
1147 MSGLEVEL_CRAP, SILCTXT_CHANNEL_INVITING,
1148 cmd_context->argv[2],
1149 (cmd_context->argv[1][0] == '*' ?
1150 (char *)conn->current_channel->channel_name :
1151 (char *)cmd_context->argv[1]));
1154 case SILC_COMMAND_DETACH:
1155 server->no_reconnect = TRUE;
1163 /* Client info resolving callback when JOIN command reply is received.
1164 This will cache all users on the channel. */
1166 static void silc_client_join_get_users(SilcClient client,
1167 SilcClientConnection conn,
1168 SilcClientEntry *clients,
1169 SilcUInt32 clients_count,
1172 SilcChannelEntry channel = (SilcChannelEntry)context;
1173 SilcHashTableList htl;
1174 SilcChannelUser chu;
1175 SILC_SERVER_REC *server = conn->context;
1176 SILC_CHANNEL_REC *chanrec;
1177 SilcClientEntry founder = NULL;
1180 SILC_LOG_DEBUG(("Start, channel %s, %d users", channel->channel_name,
1181 silc_hash_table_count(channel->user_list)));
1186 chanrec = silc_channel_find(server, channel->channel_name);
1187 if (chanrec == NULL)
1190 silc_hash_table_list(channel->user_list, &htl);
1191 while (silc_hash_table_get(&htl, NULL, (void *)&chu)) {
1192 if (!chu->client->nickname)
1194 if (chu->mode & SILC_CHANNEL_UMODE_CHANFO)
1195 founder = chu->client;
1196 silc_nicklist_insert(chanrec, chu, FALSE);
1198 silc_hash_table_list_reset(&htl);
1200 ownnick = NICK(silc_nicklist_find(chanrec, conn->local_entry));
1201 nicklist_set_own(CHANNEL(chanrec), ownnick);
1202 signal_emit("channel joined", 1, chanrec);
1203 chanrec->entry = channel;
1206 printformat_module("fe-common/silc", server, channel->channel_name,
1207 MSGLEVEL_CRAP, SILCTXT_CHANNEL_TOPIC,
1208 channel->channel_name, chanrec->topic);
1211 if (founder == conn->local_entry) {
1212 printformat_module("fe-common/silc",
1213 server, channel->channel_name, MSGLEVEL_CRAP,
1214 SILCTXT_CHANNEL_FOUNDER_YOU,
1215 channel->channel_name);
1216 signal_emit("nick mode changed", 2, chanrec, ownnick);
1218 printformat_module("fe-common/silc",
1219 server, channel->channel_name, MSGLEVEL_CRAP,
1220 SILCTXT_CHANNEL_FOUNDER,
1221 channel->channel_name, founder->nickname);
1227 SilcClientConnection conn;
1233 void silc_getkey_cb(bool success, void *context)
1235 GetkeyContext getkey = (GetkeyContext)context;
1236 char *entity = (getkey->id_type == SILC_ID_CLIENT ? "user" : "server");
1237 char *name = (getkey->id_type == SILC_ID_CLIENT ?
1238 ((SilcClientEntry)getkey->entry)->nickname :
1239 ((SilcServerEntry)getkey->entry)->server_name);
1242 printformat_module("fe-common/silc", NULL, NULL,
1243 MSGLEVEL_CRAP, SILCTXT_PUBKEY_VERIFIED, entity, name);
1245 printformat_module("fe-common/silc", NULL, NULL,
1246 MSGLEVEL_CRAP, SILCTXT_PUBKEY_NOTVERIFIED,
1250 silc_free(getkey->fingerprint);
1254 /* Parse an invite or ban list */
1255 void silc_parse_inviteban_list(SilcClient client,
1256 SilcClientConnection conn,
1257 SILC_SERVER_REC *server,
1258 SilcChannelEntry channel,
1259 const char *list_type,
1260 SilcArgumentPayload list)
1263 SilcUInt32 type, len;
1264 SILC_CHANNEL_REC *chanrec = silc_channel_find_entry(server, channel);
1265 int counter=0, resolving = FALSE;
1267 if (!silc_argument_get_arg_num(list)) {
1268 printformat_module("fe-common/silc", server,
1269 (chanrec ? chanrec->visible_name : NULL),
1270 MSGLEVEL_CRAP, SILCTXT_CHANNEL_NO_INVITEBAN_LIST,
1271 channel->channel_name, list_type);
1275 printformat_module("fe-common/silc", server,
1276 (chanrec ? chanrec->visible_name : NULL),
1277 MSGLEVEL_CRAP, SILCTXT_CHANNEL_INVITEBAN_LIST,
1278 channel->channel_name, list_type);
1280 /* parse the list */
1281 tmp = silc_argument_get_first_arg(list, &type, &len);
1286 /* an invite string */
1290 if (tmp[len-1] == ',')
1293 list = g_strsplit(tmp, ",", -1);
1295 printformat_module("fe-common/silc", server,
1296 (chanrec ? chanrec->visible_name : NULL),
1297 MSGLEVEL_CRAP, SILCTXT_CHANNEL_INVITEBAN_STRING,
1298 ++counter, channel->channel_name, list_type,
1307 char *fingerprint, *babbleprint;
1309 /* tmp is Public Key Payload, take public key from it. */
1310 fingerprint = silc_hash_fingerprint(NULL, tmp + 4, len - 4);
1311 babbleprint = silc_hash_babbleprint(NULL, tmp + 4, len - 4);
1313 printformat_module("fe-common/silc", server,
1314 (chanrec ? chanrec->visible_name : NULL),
1315 MSGLEVEL_CRAP, SILCTXT_CHANNEL_INVITEBAN_PUBKEY,
1316 ++counter, channel->channel_name, list_type,
1317 fingerprint, babbleprint);
1324 SilcClientID *client_id;
1325 SilcClientEntry client_entry;
1327 client_id = silc_id_payload_parse_id(tmp, len, NULL);
1329 if (client_id == NULL) {
1330 silc_say_error("Invalid data in %s list encountered", list_type);
1334 client_entry = silc_client_get_client_by_id(client, conn, client_id);
1337 printformat_module("fe-common/silc", server,
1338 (chanrec ? chanrec->visible_name : NULL),
1339 MSGLEVEL_CRAP, SILCTXT_CHANNEL_INVITEBAN_STRING,
1340 ++counter, channel->channel_name, list_type,
1341 client_entry->nickname);
1344 silc_client_get_client_by_id_resolve(client, conn, client_id,
1348 silc_free(client_id);
1354 silc_say_error("Unkown type in %s list: %u (len %u)",
1355 list_type, type, len);
1357 tmp = silc_argument_get_next_arg(list, &type, &len);
1361 printformat_module("fe-common/silc", server,
1362 (chanrec ? chanrec->visible_name : NULL),
1363 MSGLEVEL_CRAP, SILCTXT_CHANNEL_INVITEBAN_REGET,
1364 list_type, channel->channel_name);
1367 /* Command reply handler. This function is called always in the command reply
1368 function. If error occurs it will be called as well. Normal scenario
1369 is that it will be called after the received command data has been parsed
1370 and processed. The function is used to pass the received command data to
1373 `conn' is the associated client connection. `cmd_payload' is the command
1374 payload data received from server and it can be ignored. It is provided
1375 if the application would like to re-parse the received command data,
1376 however, it must be noted that the data is parsed already by the library
1377 thus the payload can be ignored. `success' is FALSE if error occured.
1378 In this case arguments are not sent to the application. `command' is the
1379 command reply being processed. The function has variable argument list
1380 and each command defines the number and type of arguments it passes to the
1381 application (on error they are not sent). */
1384 silc_command_reply(SilcClient client, SilcClientConnection conn,
1385 SilcCommandPayload cmd_payload, bool success,
1386 SilcCommand command, SilcStatus status, ...)
1389 SILC_SERVER_REC *server = conn->context;
1390 SILC_CHANNEL_REC *chanrec;
1393 va_start(vp, status);
1395 SILC_LOG_DEBUG(("Start"));
1398 case SILC_COMMAND_WHOIS:
1400 char buf[1024], *nickname, *username, *realname, *nick;
1401 unsigned char *fingerprint;
1402 SilcUInt32 idle, mode;
1403 SilcBuffer channels, user_modes;
1404 SilcClientEntry client_entry;
1407 if (status == SILC_STATUS_ERR_NO_SUCH_NICK) {
1408 /* Print the unknown nick for user */
1409 unsigned char *tmp =
1410 silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
1413 silc_say_error("%s: %s", tmp,
1414 silc_get_status_message(status));
1416 } else if (status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
1417 /* Try to find the entry for the unknown client ID, since we
1418 might have, and print the nickname of it for user. */
1420 unsigned char *tmp =
1421 silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
1424 SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len,
1427 client_entry = silc_client_get_client_by_id(client, conn,
1429 if (client_entry && client_entry->nickname)
1430 silc_say_error("%s: %s", client_entry->nickname,
1431 silc_get_status_message(status));
1432 silc_free(client_id);
1436 } else if (!success) {
1437 silc_say_error("WHOIS: %s", silc_get_status_message(status));
1441 client_entry = va_arg(vp, SilcClientEntry);
1442 nickname = va_arg(vp, char *);
1443 username = va_arg(vp, char *);
1444 realname = va_arg(vp, char *);
1445 channels = va_arg(vp, SilcBuffer);
1446 mode = va_arg(vp, SilcUInt32);
1447 idle = va_arg(vp, SilcUInt32);
1448 fingerprint = va_arg(vp, unsigned char *);
1449 user_modes = va_arg(vp, SilcBuffer);
1450 attrs = va_arg(vp, SilcDList);
1452 silc_parse_userfqdn(nickname, &nick, NULL);
1453 printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
1454 SILCTXT_WHOIS_USERINFO, nickname,
1455 client_entry->username, client_entry->hostname,
1456 nick, client_entry->nickname);
1457 printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
1458 SILCTXT_WHOIS_REALNAME, realname);
1461 if (channels && user_modes) {
1463 SilcDList list = silc_channel_payload_parse_list(channels->data,
1465 if (list && silc_get_mode_list(user_modes, silc_dlist_count(list),
1467 SilcChannelPayload entry;
1470 memset(buf, 0, sizeof(buf));
1471 silc_dlist_start(list);
1472 while ((entry = silc_dlist_get(list)) != SILC_LIST_END) {
1473 SilcUInt32 name_len;
1474 char *m = silc_client_chumode_char(umodes[i++]);
1475 char *name = silc_channel_get_name(entry, &name_len);
1478 strncat(buf, m, strlen(m));
1479 strncat(buf, name, name_len);
1480 strncat(buf, " ", 1);
1484 printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
1485 SILCTXT_WHOIS_CHANNELS, buf);
1486 silc_channel_payload_list_free(list);
1492 memset(buf, 0, sizeof(buf));
1493 silc_get_umode_string(mode, buf, sizeof(buf - 1));
1494 printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
1495 SILCTXT_WHOIS_MODES, buf);
1498 if (idle && nickname) {
1499 memset(buf, 0, sizeof(buf));
1500 snprintf(buf, sizeof(buf) - 1, "%lu %s",
1501 idle > 60 ? (idle / 60) : idle,
1502 idle > 60 ? "minutes" : "seconds");
1504 printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
1505 SILCTXT_WHOIS_IDLE, buf);
1509 fingerprint = silc_fingerprint(fingerprint, 20);
1510 printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
1511 SILCTXT_WHOIS_FINGERPRINT, fingerprint);
1512 silc_free(fingerprint);
1516 silc_query_attributes_print(server, silc_client, conn, attrs,
1521 case SILC_COMMAND_IDENTIFY:
1523 SilcClientEntry client_entry;
1525 if (status == SILC_STATUS_ERR_NO_SUCH_NICK) {
1526 /* Print the unknown nick for user */
1527 unsigned char *tmp =
1528 silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
1531 silc_say_error("%s: %s", tmp,
1532 silc_get_status_message(status));
1534 } else if (status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
1535 /* Try to find the entry for the unknown client ID, since we
1536 might have, and print the nickname of it for user. */
1538 unsigned char *tmp =
1539 silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
1542 SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len,
1545 client_entry = silc_client_get_client_by_id(client, conn,
1547 if (client_entry && client_entry->nickname)
1548 silc_say_error("%s: %s", client_entry->nickname,
1549 silc_get_status_message(status));
1550 silc_free(client_id);
1559 case SILC_COMMAND_WHOWAS:
1561 char *nickname, *username, *realname;
1563 if (status == SILC_STATUS_ERR_NO_SUCH_NICK ||
1564 status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
1566 tmp = silc_argument_get_arg_type(silc_command_get_args(cmd_payload),
1569 silc_say_error("%s: %s", tmp,
1570 silc_get_status_message(status));
1572 } else if (!success) {
1573 silc_say_error("WHOWAS: %s", silc_get_status_message(status));
1577 (void)va_arg(vp, SilcClientEntry);
1578 nickname = va_arg(vp, char *);
1579 username = va_arg(vp, char *);
1580 realname = va_arg(vp, char *);
1582 printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
1583 SILCTXT_WHOWAS_USERINFO, nickname, username,
1584 realname ? realname : "");
1588 case SILC_COMMAND_INVITE:
1590 SilcChannelEntry channel;
1592 SilcArgumentPayload invite_list;
1598 channel = va_arg(vp, SilcChannelEntry);
1599 payload = va_arg(vp, SilcBuffer);
1602 SILC_GET16_MSB(argc, payload->data);
1603 invite_list = silc_argument_payload_parse(payload->data + 2,
1604 payload->len - 2, argc);
1606 silc_parse_inviteban_list(client, conn, server, channel,
1607 "invite", invite_list);
1608 silc_argument_payload_free(invite_list);
1614 case SILC_COMMAND_JOIN:
1616 char *channel, *mode, *topic;
1618 SilcChannelEntry channel_entry;
1619 SilcBuffer client_id_list;
1620 SilcUInt32 list_count;
1625 channel = va_arg(vp, char *);
1626 channel_entry = va_arg(vp, SilcChannelEntry);
1627 modei = va_arg(vp, SilcUInt32);
1628 (void)va_arg(vp, SilcUInt32);
1629 (void)va_arg(vp, unsigned char *);
1630 (void)va_arg(vp, unsigned char *);
1631 (void)va_arg(vp, unsigned char *);
1632 topic = va_arg(vp, char *);
1633 (void)va_arg(vp, unsigned char *);
1634 list_count = va_arg(vp, SilcUInt32);
1635 client_id_list = va_arg(vp, SilcBuffer);
1637 chanrec = silc_channel_find(server, channel);
1639 chanrec = silc_channel_create(server, channel, channel, TRUE);
1642 char tmp[256], *cp, *dm = NULL;
1643 g_free_not_null(chanrec->topic);
1645 if (!silc_term_utf8() && silc_utf8_valid(topic, strlen(topic))) {
1646 memset(tmp, 0, sizeof(tmp));
1648 if (strlen(topic) > sizeof(tmp) - 1) {
1649 dm = silc_calloc(strlen(topic) + 1, sizeof(*dm));
1653 silc_utf8_decode(topic, strlen(topic), SILC_STRING_LANGUAGE,
1658 chanrec->topic = *topic == '\0' ? NULL : g_strdup(topic);
1659 signal_emit("channel topic changed", 1, chanrec);
1664 mode = silc_client_chmode(modei,
1665 channel_entry->channel_key ?
1666 silc_cipher_get_name(channel_entry->
1668 channel_entry->hmac ?
1669 silc_hmac_get_name(channel_entry->hmac) : "");
1670 g_free_not_null(chanrec->mode);
1671 chanrec->mode = g_strdup(mode == NULL ? "" : mode);
1672 signal_emit("channel mode changed", 1, chanrec);
1674 /* Resolve the client information */
1675 silc_client_get_clients_by_list(client, conn, list_count, client_id_list,
1676 silc_client_join_get_users,
1682 case SILC_COMMAND_NICK:
1685 SilcClientEntry client_entry = va_arg(vp, SilcClientEntry);
1691 nicks = nicklist_get_same(SERVER(server), client_entry->nickname);
1692 if ((nicks != NULL) &&
1693 (strcmp(SERVER(server)->nick, client_entry->nickname))) {
1695 SilcClientEntry collider, old;
1697 old = ((SILC_NICK_REC *)(nicks->next->data))->silc_user->client;
1698 collider = silc_client_get_client_by_id(client, conn,
1701 memset(buf, 0, sizeof(buf));
1702 snprintf(buf, sizeof(buf) - 1, "%s@%s",
1703 collider->username, collider->hostname);
1704 nicklist_rename_unique(SERVER(server),
1706 collider, collider->nickname);
1707 silc_print_nick_change(server, collider->nickname,
1708 client_entry->nickname, buf);
1709 g_slist_free(nicks);
1712 old = g_strdup(server->nick);
1713 server_change_nick(SERVER(server), client_entry->nickname);
1714 nicklist_rename_unique(SERVER(server),
1715 server->conn->local_entry, server->nick,
1716 client_entry, client_entry->nickname);
1717 signal_emit("message own_nick", 4, server, server->nick, old, "");
1722 case SILC_COMMAND_LIST:
1727 char tmp[256], *cp, *dm = NULL;
1732 (void)va_arg(vp, SilcChannelEntry);
1733 name = va_arg(vp, char *);
1734 topic = va_arg(vp, char *);
1735 usercount = va_arg(vp, int);
1737 if (topic && !silc_term_utf8() &&
1738 silc_utf8_valid(topic, strlen(topic))) {
1739 memset(tmp, 0, sizeof(tmp));
1741 if (strlen(topic) > sizeof(tmp) - 1) {
1742 dm = silc_calloc(strlen(topic) + 1, sizeof(*dm));
1746 silc_utf8_decode(topic, strlen(topic), SILC_STRING_LANGUAGE,
1751 if (status == SILC_STATUS_LIST_START ||
1752 status == SILC_STATUS_OK)
1753 printformat_module("fe-common/silc", server, NULL,
1754 MSGLEVEL_CRAP, SILCTXT_LIST_HEADER);
1757 snprintf(users, sizeof(users) - 1, "N/A");
1759 snprintf(users, sizeof(users) - 1, "%d", usercount);
1760 printformat_module("fe-common/silc", server, NULL,
1761 MSGLEVEL_CRAP, SILCTXT_LIST,
1762 name, users, topic ? topic : "");
1767 case SILC_COMMAND_UMODE:
1775 mode = va_arg(vp, SilcUInt32);
1777 if (mode & SILC_UMODE_SERVER_OPERATOR &&
1778 !(server->umode & SILC_UMODE_SERVER_OPERATOR))
1779 printformat_module("fe-common/silc", server, NULL,
1780 MSGLEVEL_CRAP, SILCTXT_SERVER_OPER);
1782 if (mode & SILC_UMODE_ROUTER_OPERATOR &&
1783 !(server->umode & SILC_UMODE_ROUTER_OPERATOR))
1784 printformat_module("fe-common/silc", server, NULL,
1785 MSGLEVEL_CRAP, SILCTXT_ROUTER_OPER);
1787 if ((mode & SILC_UMODE_GONE) != (server->umode & SILC_UMODE_GONE)) {
1788 if (mode & SILC_UMODE_GONE) {
1789 if ((server->away_reason != NULL) && (server->away_reason[0] != '\0'))
1790 reason = g_strdup(server->away_reason);
1792 reason = g_strdup("away");
1794 reason = g_strdup("");
1796 silc_set_away(reason, server);
1801 server->umode = mode;
1802 signal_emit("user mode changed", 2, server, NULL);
1806 case SILC_COMMAND_OPER:
1810 server->umode |= SILC_UMODE_SERVER_OPERATOR;
1811 signal_emit("user mode changed", 2, server, NULL);
1813 printformat_module("fe-common/silc", server, NULL,
1814 MSGLEVEL_CRAP, SILCTXT_SERVER_OPER);
1817 case SILC_COMMAND_SILCOPER:
1821 server->umode |= SILC_UMODE_ROUTER_OPERATOR;
1822 signal_emit("user mode changed", 2, server, NULL);
1824 printformat_module("fe-common/silc", server, NULL,
1825 MSGLEVEL_CRAP, SILCTXT_ROUTER_OPER);
1828 case SILC_COMMAND_USERS:
1830 SilcHashTableList htl;
1831 SilcChannelEntry channel;
1832 SilcChannelUser chu;
1837 channel = va_arg(vp, SilcChannelEntry);
1839 printformat_module("fe-common/silc", server, channel->channel_name,
1840 MSGLEVEL_CRAP, SILCTXT_USERS_HEADER,
1841 channel->channel_name);
1843 silc_hash_table_list(channel->user_list, &htl);
1844 while (silc_hash_table_get(&htl, NULL, (void *)&chu)) {
1845 SilcClientEntry e = chu->client;
1846 char stat[5], *mode;
1851 memset(stat, 0, sizeof(stat));
1852 mode = silc_client_chumode_char(chu->mode);
1853 if (e->mode & SILC_UMODE_GONE)
1855 else if (e->mode & SILC_UMODE_INDISPOSED)
1857 else if (e->mode & SILC_UMODE_BUSY)
1859 else if (e->mode & SILC_UMODE_PAGE)
1861 else if (e->mode & SILC_UMODE_HYPER)
1863 else if (e->mode & SILC_UMODE_ROBOT)
1865 else if (e->mode & SILC_UMODE_ANONYMOUS)
1872 printformat_module("fe-common/silc", server, channel->channel_name,
1873 MSGLEVEL_CRAP, SILCTXT_USERS,
1875 e->username ? e->username : "",
1876 e->hostname ? e->hostname : "",
1877 e->realname ? e->realname : "");
1881 silc_hash_table_list_reset(&htl);
1885 case SILC_COMMAND_BAN:
1887 SilcChannelEntry channel;
1889 SilcArgumentPayload ban_list;
1895 channel = va_arg(vp, SilcChannelEntry);
1896 payload = va_arg(vp, SilcBuffer);
1899 SILC_GET16_MSB(argc, payload->data);
1900 ban_list = silc_argument_payload_parse(payload->data + 2,
1901 payload->len - 2, argc);
1903 silc_parse_inviteban_list(client, conn, server, channel,
1905 silc_argument_payload_free(ban_list);
1911 case SILC_COMMAND_GETKEY:
1915 SilcPublicKey public_key;
1918 GetkeyContext getkey;
1924 id_type = va_arg(vp, SilcUInt32);
1925 entry = va_arg(vp, void *);
1926 public_key = va_arg(vp, SilcPublicKey);
1929 pk = silc_pkcs_public_key_encode(public_key, &pk_len);
1931 getkey = silc_calloc(1, sizeof(*getkey));
1932 getkey->entry = entry;
1933 getkey->id_type = id_type;
1934 getkey->client = client;
1935 getkey->conn = conn;
1936 getkey->fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
1938 name = (id_type == SILC_ID_CLIENT ?
1939 ((SilcClientEntry)entry)->nickname :
1940 ((SilcServerEntry)entry)->server_name);
1942 silc_verify_public_key_internal(client, conn, name,
1943 (id_type == SILC_ID_CLIENT ?
1944 SILC_SOCKET_TYPE_CLIENT :
1945 SILC_SOCKET_TYPE_SERVER),
1946 pk, pk_len, SILC_SKE_PK_TYPE_SILC,
1947 silc_getkey_cb, getkey);
1950 printformat_module("fe-common/silc", server, NULL,
1951 MSGLEVEL_CRAP, SILCTXT_PUBKEY_NOKEY);
1956 case SILC_COMMAND_INFO:
1958 SilcServerEntry server_entry;
1965 server_entry = va_arg(vp, SilcServerEntry);
1966 server_name = va_arg(vp, char *);
1967 server_info = va_arg(vp, char *);
1969 if (server_name && server_info )
1971 printtext(server, NULL, MSGLEVEL_CRAP, "Server: %s", server_name);
1972 printtext(server, NULL, MSGLEVEL_CRAP, "%s", server_info);
1977 case SILC_COMMAND_TOPIC:
1979 SilcChannelEntry channel;
1981 char tmp[256], *cp, *dm = NULL;
1986 channel = va_arg(vp, SilcChannelEntry);
1987 topic = va_arg(vp, char *);
1989 if (topic && !silc_term_utf8() &&
1990 silc_utf8_valid(topic, strlen(topic))) {
1991 memset(tmp, 0, sizeof(tmp));
1993 if (strlen(topic) > sizeof(tmp) - 1) {
1994 dm = silc_calloc(strlen(topic) + 1, sizeof(*dm));
1998 silc_utf8_decode(topic, strlen(topic), SILC_STRING_LANGUAGE,
2004 chanrec = silc_channel_find_entry(server, channel);
2006 g_free_not_null(chanrec->topic);
2007 chanrec->topic = *topic == '\0' ? NULL : g_strdup(topic);
2008 signal_emit("channel topic changed", 1, chanrec);
2010 printformat_module("fe-common/silc", server, channel->channel_name,
2011 MSGLEVEL_CRAP, SILCTXT_CHANNEL_TOPIC,
2012 channel->channel_name, topic);
2014 printformat_module("fe-common/silc", server, channel->channel_name,
2015 MSGLEVEL_CRAP, SILCTXT_CHANNEL_TOPIC_NOT_SET,
2016 channel->channel_name);
2022 case SILC_COMMAND_WATCH:
2025 case SILC_COMMAND_STATS:
2027 SilcUInt32 starttime, uptime, my_clients, my_channels, my_server_ops,
2028 my_router_ops, cell_clients, cell_channels, cell_servers,
2029 clients, channels, servers, routers, server_ops, router_ops;
2031 SilcBufferStruct buf;
2032 unsigned char *tmp_buf;
2034 const char *tmptime;
2035 int days, hours, mins, secs;
2040 tmp_buf = va_arg(vp, unsigned char *);
2041 buf_len = va_arg(vp, SilcUInt32);
2043 if (!tmp_buf || !buf_len) {
2044 printtext(server, NULL, MSGLEVEL_CRAP, "No statistics available");
2048 /* Get statistics structure */
2049 silc_buffer_set(&buf, tmp_buf, buf_len);
2050 silc_buffer_unformat(&buf,
2051 SILC_STR_UI_INT(&starttime),
2052 SILC_STR_UI_INT(&uptime),
2053 SILC_STR_UI_INT(&my_clients),
2054 SILC_STR_UI_INT(&my_channels),
2055 SILC_STR_UI_INT(&my_server_ops),
2056 SILC_STR_UI_INT(&my_router_ops),
2057 SILC_STR_UI_INT(&cell_clients),
2058 SILC_STR_UI_INT(&cell_channels),
2059 SILC_STR_UI_INT(&cell_servers),
2060 SILC_STR_UI_INT(&clients),
2061 SILC_STR_UI_INT(&channels),
2062 SILC_STR_UI_INT(&servers),
2063 SILC_STR_UI_INT(&routers),
2064 SILC_STR_UI_INT(&server_ops),
2065 SILC_STR_UI_INT(&router_ops),
2068 tmptime = silc_get_time(starttime);
2069 printformat_module("fe-common/silc", server, NULL,
2070 MSGLEVEL_CRAP, SILCTXT_STATS,
2071 "Local server start time", tmptime);
2073 days = uptime / (24 * 60 * 60);
2074 uptime -= days * (24 * 60 * 60);
2075 hours = uptime / (60 * 60);
2076 uptime -= hours * (60 * 60);
2078 uptime -= mins * 60;
2080 snprintf(tmp, sizeof(tmp) - 1, "%d days %d hours %d mins %d secs",
2081 days, hours, mins, secs);
2082 printformat_module("fe-common/silc", server, NULL,
2083 MSGLEVEL_CRAP, SILCTXT_STATS,
2084 "Local server uptime", tmp);
2086 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)my_clients);
2087 printformat_module("fe-common/silc", server, NULL,
2088 MSGLEVEL_CRAP, SILCTXT_STATS,
2089 "Local server clients", tmp);
2091 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)my_channels);
2092 printformat_module("fe-common/silc", server, NULL,
2093 MSGLEVEL_CRAP, SILCTXT_STATS,
2094 "Local server channels", tmp);
2096 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)my_server_ops);
2097 printformat_module("fe-common/silc", server, NULL,
2098 MSGLEVEL_CRAP, SILCTXT_STATS,
2099 "Local server operators", tmp);
2101 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)my_router_ops);
2102 printformat_module("fe-common/silc", server, NULL,
2103 MSGLEVEL_CRAP, SILCTXT_STATS,
2104 "Local router operators", tmp);
2106 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)cell_clients);
2107 printformat_module("fe-common/silc", server, NULL,
2108 MSGLEVEL_CRAP, SILCTXT_STATS,
2109 "Local cell clients", tmp);
2111 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)cell_channels);
2112 printformat_module("fe-common/silc", server, NULL,
2113 MSGLEVEL_CRAP, SILCTXT_STATS,
2114 "Local cell channels", tmp);
2116 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)cell_servers);
2117 printformat_module("fe-common/silc", server, NULL,
2118 MSGLEVEL_CRAP, SILCTXT_STATS,
2119 "Local cell servers", tmp);
2121 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)clients);
2122 printformat_module("fe-common/silc", server, NULL,
2123 MSGLEVEL_CRAP, SILCTXT_STATS,
2124 "Total clients", tmp);
2126 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)channels);
2127 printformat_module("fe-common/silc", server, NULL,
2128 MSGLEVEL_CRAP, SILCTXT_STATS,
2129 "Total channels", tmp);
2131 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)servers);
2132 printformat_module("fe-common/silc", server, NULL,
2133 MSGLEVEL_CRAP, SILCTXT_STATS,
2134 "Total servers", tmp);
2136 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)routers);
2137 printformat_module("fe-common/silc", server, NULL,
2138 MSGLEVEL_CRAP, SILCTXT_STATS,
2139 "Total routers", tmp);
2141 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)server_ops);
2142 printformat_module("fe-common/silc", server, NULL,
2143 MSGLEVEL_CRAP, SILCTXT_STATS,
2144 "Total server operators", tmp);
2146 snprintf(tmp, sizeof(tmp) - 1, "%d", (int)router_ops);
2147 printformat_module("fe-common/silc", server, NULL,
2148 MSGLEVEL_CRAP, SILCTXT_STATS,
2149 "Total router operators", tmp);
2160 SilcClientConnection conn;
2166 SilcSKEPKType pk_type;
2167 SilcVerifyPublicKey completion;
2171 static void verify_public_key_completion(const char *line, void *context)
2173 PublicKeyVerify verify = (PublicKeyVerify)context;
2175 if (line[0] == 'Y' || line[0] == 'y') {
2176 /* Call the completion */
2177 if (verify->completion)
2178 verify->completion(TRUE, verify->context);
2180 /* Save the key for future checking */
2181 silc_pkcs_save_public_key_data(verify->filename, verify->pk,
2182 verify->pk_len, SILC_PKCS_FILE_PEM);
2184 /* Call the completion */
2185 if (verify->completion)
2186 verify->completion(FALSE, verify->context);
2188 printformat_module("fe-common/silc", NULL, NULL,
2189 MSGLEVEL_CRAP, SILCTXT_PUBKEY_DISCARD,
2190 verify->entity_name ? verify->entity_name :
2194 silc_free(verify->filename);
2195 silc_free(verify->entity);
2196 silc_free(verify->entity_name);
2197 silc_free(verify->pk);
2201 /* Internal routine to verify public key. If the `completion' is provided
2202 it will be called to indicate whether public was verified or not. For
2203 server/router public key this will check for filename that includes the
2204 remote host's IP address and remote host's hostname. */
2207 silc_verify_public_key_internal(SilcClient client, SilcClientConnection conn,
2208 const char *name, SilcSocketType conn_type,
2209 unsigned char *pk, SilcUInt32 pk_len,
2210 SilcSKEPKType pk_type,
2211 SilcVerifyPublicKey completion, void *context)
2214 char file[256], filename[256], filename2[256], *ipf, *hostf = NULL;
2215 char *fingerprint, *babbleprint, *format;
2218 char *entity = ((conn_type == SILC_SOCKET_TYPE_SERVER ||
2219 conn_type == SILC_SOCKET_TYPE_ROUTER) ?
2220 "server" : "client");
2221 PublicKeyVerify verify;
2223 if (pk_type != SILC_SKE_PK_TYPE_SILC) {
2224 printformat_module("fe-common/silc", NULL, NULL,
2225 MSGLEVEL_CRAP, SILCTXT_PUBKEY_UNSUPPORTED,
2228 completion(FALSE, context);
2232 pw = getpwuid(getuid());
2235 completion(FALSE, context);
2239 memset(filename, 0, sizeof(filename));
2240 memset(filename2, 0, sizeof(filename2));
2241 memset(file, 0, sizeof(file));
2243 if (conn_type == SILC_SOCKET_TYPE_SERVER ||
2244 conn_type == SILC_SOCKET_TYPE_ROUTER) {
2246 snprintf(file, sizeof(file) - 1, "%skey_%s_%d.pub", entity,
2247 conn->sock->ip, conn->sock->port);
2248 snprintf(filename, sizeof(filename) - 1, "%s/%skeys/%s",
2249 get_irssi_dir(), entity, file);
2251 snprintf(file, sizeof(file) - 1, "%skey_%s_%d.pub", entity,
2252 conn->sock->hostname, conn->sock->port);
2253 snprintf(filename2, sizeof(filename2) - 1, "%s/%skeys/%s",
2254 get_irssi_dir(), entity, file);
2259 snprintf(file, sizeof(file) - 1, "%skey_%s_%d.pub", entity,
2260 name, conn->sock->port);
2261 snprintf(filename, sizeof(filename) - 1, "%s/%skeys/%s",
2262 get_irssi_dir(), entity, file);
2267 /* Replace all whitespaces with `_'. */
2268 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
2269 for (i = 0; i < strlen(fingerprint); i++)
2270 if (fingerprint[i] == ' ')
2271 fingerprint[i] = '_';
2273 snprintf(file, sizeof(file) - 1, "%skey_%s.pub", entity, fingerprint);
2274 snprintf(filename, sizeof(filename) - 1, "%s/%skeys/%s",
2275 get_irssi_dir(), entity, file);
2276 silc_free(fingerprint);
2281 /* Take fingerprint of the public key */
2282 fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
2283 babbleprint = silc_hash_babbleprint(NULL, pk, pk_len);
2285 verify = silc_calloc(1, sizeof(*verify));
2286 verify->client = client;
2287 verify->conn = conn;
2288 verify->filename = strdup(ipf);
2289 verify->entity = strdup(entity);
2290 verify->entity_name = (conn_type != SILC_SOCKET_TYPE_CLIENT ?
2291 (name ? strdup(name) : strdup(conn->sock->hostname))
2293 verify->pk = silc_memdup(pk, pk_len);
2294 verify->pk_len = pk_len;
2295 verify->pk_type = pk_type;
2296 verify->completion = completion;
2297 verify->context = context;
2299 /* Check whether this key already exists */
2300 if (stat(ipf, &st) < 0 && (!hostf || stat(hostf, &st) < 0)) {
2301 /* Key does not exist, ask user to verify the key and save it */
2303 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2304 SILCTXT_PUBKEY_RECEIVED,verify->entity_name ?
2305 verify->entity_name : entity);
2306 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2307 SILCTXT_PUBKEY_FINGERPRINT, entity, fingerprint);
2308 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2309 SILCTXT_PUBKEY_BABBLEPRINT, babbleprint);
2310 format = format_get_text("fe-common/silc", NULL, NULL, NULL,
2311 SILCTXT_PUBKEY_ACCEPT);
2312 keyboard_entry_redirect((SIGNAL_FUNC)verify_public_key_completion,
2315 silc_free(fingerprint);
2318 /* The key already exists, verify it. */
2319 SilcPublicKey public_key;
2320 unsigned char *encpk;
2321 SilcUInt32 encpk_len;
2323 /* Load the key file, try for both IP filename and hostname filename */
2324 if (!silc_pkcs_load_public_key(ipf, &public_key,
2325 SILC_PKCS_FILE_PEM) &&
2326 !silc_pkcs_load_public_key(ipf, &public_key,
2327 SILC_PKCS_FILE_BIN) &&
2328 (!hostf || (!silc_pkcs_load_public_key(hostf, &public_key,
2329 SILC_PKCS_FILE_PEM) &&
2330 !silc_pkcs_load_public_key(hostf, &public_key,
2331 SILC_PKCS_FILE_BIN)))) {
2332 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2333 SILCTXT_PUBKEY_RECEIVED,verify->entity_name ?
2334 verify->entity_name : entity);
2335 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2336 SILCTXT_PUBKEY_FINGERPRINT, entity, fingerprint);
2337 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2338 SILCTXT_PUBKEY_BABBLEPRINT, babbleprint);
2339 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2340 SILCTXT_PUBKEY_COULD_NOT_LOAD, entity);
2341 format = format_get_text("fe-common/silc", NULL, NULL, NULL,
2342 SILCTXT_PUBKEY_ACCEPT_ANYWAY);
2343 keyboard_entry_redirect((SIGNAL_FUNC)verify_public_key_completion,
2346 silc_free(fingerprint);
2350 /* Encode the key data */
2351 encpk = silc_pkcs_public_key_encode(public_key, &encpk_len);
2353 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2354 SILCTXT_PUBKEY_RECEIVED,verify->entity_name ?
2355 verify->entity_name : entity);
2356 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2357 SILCTXT_PUBKEY_FINGERPRINT, entity, fingerprint);
2358 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2359 SILCTXT_PUBKEY_BABBLEPRINT, babbleprint);
2360 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2361 SILCTXT_PUBKEY_MALFORMED, entity);
2362 format = format_get_text("fe-common/silc", NULL, NULL, NULL,
2363 SILCTXT_PUBKEY_ACCEPT_ANYWAY);
2364 keyboard_entry_redirect((SIGNAL_FUNC)verify_public_key_completion,
2367 silc_free(fingerprint);
2371 /* Compare the keys */
2372 if (memcmp(encpk, pk, encpk_len)) {
2373 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2374 SILCTXT_PUBKEY_RECEIVED,verify->entity_name ?
2375 verify->entity_name : entity);
2376 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2377 SILCTXT_PUBKEY_FINGERPRINT, entity, fingerprint);
2378 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2379 SILCTXT_PUBKEY_BABBLEPRINT, babbleprint);
2380 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2381 SILCTXT_PUBKEY_NO_MATCH, entity);
2382 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2383 SILCTXT_PUBKEY_MAYBE_EXPIRED, entity);
2384 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2385 SILCTXT_PUBKEY_MITM_ATTACK, entity);
2387 /* Ask user to verify the key and save it */
2388 format = format_get_text("fe-common/silc", NULL, NULL, NULL,
2389 SILCTXT_PUBKEY_ACCEPT_ANYWAY);
2390 keyboard_entry_redirect((SIGNAL_FUNC)verify_public_key_completion,
2393 silc_free(fingerprint);
2397 /* Local copy matched */
2399 completion(TRUE, context);
2400 silc_free(fingerprint);
2401 silc_free(verify->filename);
2402 silc_free(verify->entity);
2403 silc_free(verify->entity_name);
2404 silc_free(verify->pk);
2409 /* Verifies received public key. The `conn_type' indicates which entity
2410 (server, client etc.) has sent the public key. If user decides to trust
2411 the key may be saved as trusted public key for later use. The
2412 `completion' must be called after the public key has been verified. */
2415 silc_verify_public_key(SilcClient client, SilcClientConnection conn,
2416 SilcSocketType conn_type, unsigned char *pk,
2417 SilcUInt32 pk_len, SilcSKEPKType pk_type,
2418 SilcVerifyPublicKey completion, void *context)
2420 silc_verify_public_key_internal(client, conn, NULL, conn_type, pk,
2422 completion, context);
2425 /* Asks passphrase from user on the input line. */
2428 SilcAskPassphrase completion;
2432 void ask_passphrase_completion(const char *passphrase, void *context)
2434 AskPassphrase p = (AskPassphrase)context;
2435 if (passphrase && passphrase[0] == '\0')
2437 p->completion((unsigned char *)passphrase,
2438 passphrase ? strlen(passphrase) : 0, p->context);
2442 void silc_ask_passphrase(SilcClient client, SilcClientConnection conn,
2443 SilcAskPassphrase completion, void *context)
2445 AskPassphrase p = silc_calloc(1, sizeof(*p));
2446 p->completion = completion;
2447 p->context = context;
2449 keyboard_entry_redirect((SIGNAL_FUNC)ask_passphrase_completion,
2450 "Passphrase: ", ENTRY_REDIRECT_FLAG_HIDDEN, p);
2454 SilcGetAuthMeth completion;
2456 } *InternalGetAuthMethod;
2458 /* Callback called when we've received the authentication method information
2459 from the server after we've requested it. This will get the authentication
2460 data from the user if needed. */
2462 static void silc_get_auth_method_callback(SilcClient client,
2463 SilcClientConnection conn,
2464 SilcAuthMethod auth_meth,
2467 InternalGetAuthMethod internal = (InternalGetAuthMethod)context;
2469 SILC_LOG_DEBUG(("Start"));
2471 switch (auth_meth) {
2472 case SILC_AUTH_NONE:
2473 /* No authentication required. */
2474 (*internal->completion)(TRUE, auth_meth, NULL, 0, internal->context);
2476 case SILC_AUTH_PASSWORD:
2478 /* Check whether we find the password for this server in our
2479 configuration. If not, then don't provide so library will ask
2480 it from the user. */
2481 SERVER_SETUP_REC *setup = server_setup_find_port(conn->remote_host,
2483 if (!setup || !setup->password) {
2484 (*internal->completion)(TRUE, auth_meth, NULL, 0, internal->context);
2488 (*internal->completion)(TRUE, auth_meth, setup->password,
2489 strlen(setup->password), internal->context);
2492 case SILC_AUTH_PUBLIC_KEY:
2493 /* Do not get the authentication data now, the library will generate
2494 it using our default key, if we do not provide it here. */
2495 /* XXX In the future when we support multiple local keys and multiple
2496 local certificates we will need to ask from user which one to use. */
2497 (*internal->completion)(TRUE, auth_meth, NULL, 0, internal->context);
2501 silc_free(internal);
2504 /* Find authentication method and authentication data by hostname and
2505 port. The hostname may be IP address as well. The found authentication
2506 method and authentication data is returned to `auth_meth', `auth_data'
2507 and `auth_data_len'. The function returns TRUE if authentication method
2508 is found and FALSE if not. `conn' may be NULL. */
2510 void silc_get_auth_method(SilcClient client, SilcClientConnection conn,
2511 char *hostname, SilcUInt16 port,
2512 SilcGetAuthMeth completion, void *context)
2514 InternalGetAuthMethod internal;
2516 SILC_LOG_DEBUG(("Start"));
2518 /* If we do not have this connection configured by the user in a
2519 configuration file then resolve the authentication method from the
2520 server for this session. */
2521 internal = silc_calloc(1, sizeof(*internal));
2522 internal->completion = completion;
2523 internal->context = context;
2525 silc_client_request_authentication_method(client, conn,
2526 silc_get_auth_method_callback,
2530 /* Notifies application that failure packet was received. This is called
2531 if there is some protocol active in the client. The `protocol' is the
2532 protocol context. The `failure' is opaque pointer to the failure
2533 indication. Note, that the `failure' is protocol dependant and application
2534 must explicitly cast it to correct type. Usually `failure' is 32 bit
2535 failure type (see protocol specs for all protocol failure types). */
2537 void silc_failure(SilcClient client, SilcClientConnection conn,
2538 SilcProtocol protocol, void *failure)
2540 SILC_LOG_DEBUG(("Start"));
2542 if (protocol->protocol->type == SILC_PROTOCOL_CLIENT_KEY_EXCHANGE) {
2543 SilcSKEStatus status = (SilcSKEStatus)failure;
2545 if (status == SILC_SKE_STATUS_BAD_VERSION)
2546 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2547 SILCTXT_KE_BAD_VERSION);
2548 if (status == SILC_SKE_STATUS_UNSUPPORTED_PUBLIC_KEY)
2549 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2550 SILCTXT_KE_UNSUPPORTED_PUBLIC_KEY);
2551 if (status == SILC_SKE_STATUS_UNKNOWN_GROUP)
2552 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2553 SILCTXT_KE_UNKNOWN_GROUP);
2554 if (status == SILC_SKE_STATUS_UNKNOWN_CIPHER)
2555 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2556 SILCTXT_KE_UNKNOWN_CIPHER);
2557 if (status == SILC_SKE_STATUS_UNKNOWN_PKCS)
2558 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2559 SILCTXT_KE_UNKNOWN_PKCS);
2560 if (status == SILC_SKE_STATUS_UNKNOWN_HASH_FUNCTION)
2561 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2562 SILCTXT_KE_UNKNOWN_HASH_FUNCTION);
2563 if (status == SILC_SKE_STATUS_UNKNOWN_HMAC)
2564 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2565 SILCTXT_KE_UNKNOWN_HMAC);
2566 if (status == SILC_SKE_STATUS_INCORRECT_SIGNATURE)
2567 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2568 SILCTXT_KE_INCORRECT_SIGNATURE);
2569 if (status == SILC_SKE_STATUS_INVALID_COOKIE)
2570 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2571 SILCTXT_KE_INVALID_COOKIE);
2574 if (protocol->protocol->type == SILC_PROTOCOL_CLIENT_CONNECTION_AUTH) {
2575 SilcUInt32 err = (SilcUInt32)failure;
2577 if (err == SILC_AUTH_FAILED)
2578 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2579 SILCTXT_AUTH_FAILED);
2583 /* Asks whether the user would like to perform the key agreement protocol.
2584 This is called after we have received an key agreement packet or an
2585 reply to our key agreement packet. This returns TRUE if the user wants
2586 the library to perform the key agreement protocol and FALSE if it is not
2587 desired (application may start it later by calling the function
2588 silc_client_perform_key_agreement). */
2590 bool silc_key_agreement(SilcClient client, SilcClientConnection conn,
2591 SilcClientEntry client_entry, const char *hostname,
2592 SilcUInt16 port, SilcKeyAgreementCallback *completion,
2597 SILC_LOG_DEBUG(("Start"));
2599 /* We will just display the info on the screen and return FALSE and user
2600 will have to start the key agreement with a command. */
2603 snprintf(portstr, sizeof(portstr) - 1, "%d", port);
2606 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2607 SILCTXT_KEY_AGREEMENT_REQUEST, client_entry->nickname);
2609 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2610 SILCTXT_KEY_AGREEMENT_REQUEST_HOST,
2611 client_entry->nickname, hostname, portstr);
2619 /* Notifies application that file transfer protocol session is being
2620 requested by the remote client indicated by the `client_entry' from
2621 the `hostname' and `port'. The `session_id' is the file transfer
2622 session and it can be used to either accept or reject the file
2623 transfer request, by calling the silc_client_file_receive or
2624 silc_client_file_close, respectively. */
2626 void silc_ftp(SilcClient client, SilcClientConnection conn,
2627 SilcClientEntry client_entry, SilcUInt32 session_id,
2628 const char *hostname, SilcUInt16 port)
2630 SILC_SERVER_REC *server;
2632 FtpSession ftp = NULL;
2634 SILC_LOG_DEBUG(("Start"));
2636 server = conn->context;
2638 silc_dlist_start(server->ftp_sessions);
2639 while ((ftp = silc_dlist_get(server->ftp_sessions)) != SILC_LIST_END) {
2640 if (ftp->client_entry == client_entry &&
2641 ftp->session_id == session_id) {
2642 server->current_session = ftp;
2646 if (ftp == SILC_LIST_END) {
2647 ftp = silc_calloc(1, sizeof(*ftp));
2648 ftp->client_entry = client_entry;
2649 ftp->session_id = session_id;
2652 silc_dlist_add(server->ftp_sessions, ftp);
2653 server->current_session = ftp;
2657 snprintf(portstr, sizeof(portstr) - 1, "%d", port);
2660 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2661 SILCTXT_FILE_REQUEST, client_entry->nickname);
2663 printformat_module("fe-common/silc", NULL, NULL, MSGLEVEL_CRAP,
2664 SILCTXT_FILE_REQUEST_HOST,
2665 client_entry->nickname, hostname, portstr);
2668 /* Delivers SILC session detachment data indicated by `detach_data' to the
2669 application. If application has issued SILC_COMMAND_DETACH command
2670 the client session in the SILC network is not quit. The client remains
2671 in the network but is detached. The detachment data may be used later
2672 to resume the session in the SILC Network. The appliation is
2673 responsible of saving the `detach_data', to for example in a file.
2675 The detachment data can be given as argument to the functions
2676 silc_client_connect_to_server, or silc_client_add_connection when
2677 creating connection to remote server, inside SilcClientConnectionParams
2678 structure. If it is provided the client library will attempt to resume
2679 the session in the network. After the connection is created
2680 successfully, the application is responsible of setting the user
2681 interface for user into the same state it was before detaching (showing
2682 same channels, channel modes, etc). It can do this by fetching the
2683 information (like joined channels) from the client library. */
2686 silc_detach(SilcClient client, SilcClientConnection conn,
2687 const unsigned char *detach_data, SilcUInt32 detach_data_len)
2691 /* Save the detachment data to file. */
2693 memset(file, 0, sizeof(file));
2694 snprintf(file, sizeof(file) - 1, "%s/session", get_irssi_dir());
2695 silc_file_writefile(file, detach_data, detach_data_len);
2699 /* SILC client operations */
2700 SilcClientOperations ops = {
2702 silc_channel_message,
2703 silc_private_message,
2709 silc_get_auth_method,
2710 silc_verify_public_key,
2711 silc_ask_passphrase,