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"
36 #include "fe-common/core/printtext.h"
37 #include "fe-common/core/fe-channels.h"
38 #include "fe-common/core/keyboard.h"
39 #include "fe-common/silc/module-formats.h"
41 /* Command line option variables */
42 static char *opt_pkcs = NULL;
43 static int opt_bits = 0;
47 SilcClient silc_client = NULL;
48 extern SilcClientOperations ops;
49 extern bool silc_debug;
50 extern bool silc_debug_hexdump;
52 void silc_expandos_init(void);
53 void silc_expandos_deinit(void);
55 static int my_silc_scheduler(void)
57 silc_client_run_one(silc_client);
61 static CHATNET_REC *create_chatnet(void)
63 return g_malloc0(sizeof(CHATNET_REC));
66 static SERVER_SETUP_REC *create_server_setup(void)
68 return g_malloc0(sizeof(SERVER_SETUP_REC));
71 static CHANNEL_SETUP_REC *create_channel_setup(void)
73 return g_malloc0(sizeof(CHANNEL_SETUP_REC));
76 static SERVER_CONNECT_REC *create_server_connect(void)
78 return g_malloc0(sizeof(SILC_SERVER_CONNECT_REC));
81 static void destroy_server_connect(SERVER_CONNECT_REC *conn)
86 /* Checks user information and saves them to the config file it they
87 do not exist there already. */
89 static void silc_init_userinfo(void)
91 const char *set, *nick, *user_name;
94 /* check if nick/username/realname wasn't read from setup.. */
95 set = settings_get_str("real_name");
96 if (set == NULL || *set == '\0') {
97 str = g_getenv("SILCNAME");
99 str = g_getenv("IRCNAME");
100 settings_set_str("real_name",
101 str != NULL ? str : silc_get_real_name());
105 user_name = settings_get_str("user_name");
106 if (user_name == NULL || *user_name == '\0') {
107 str = g_getenv("SILCUSER");
109 str = g_getenv("IRCUSER");
110 settings_set_str("user_name",
111 str != NULL ? str : silc_get_username());
113 user_name = settings_get_str("user_name");
117 nick = settings_get_str("nick");
118 if (nick == NULL || *nick == '\0') {
119 str = g_getenv("SILCNICK");
121 str = g_getenv("IRCNICK");
122 settings_set_str("nick", str != NULL ? str : user_name);
124 nick = settings_get_str("nick");
128 set = settings_get_str("alternate_nick");
129 if (set == NULL || *set == '\0') {
130 str = g_strconcat(nick, "_", NULL);
131 settings_set_str("alternate_nick", str);
136 set = settings_get_str("hostname");
137 if (set == NULL || *set == '\0') {
138 str = g_getenv("SILCHOST");
140 str = g_getenv("IRCHOST");
142 settings_set_str("hostname", str);
148 static bool silc_irssi_debug_print(char *file, char *function, int line,
149 char *message, void *context)
151 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
152 "DEBUG: %s:%d: %s", function, line, message);
157 static void sig_setup_changed(void)
160 bool debug = settings_get_bool("debug");
162 const char *debug_string = settings_get_str("debug_string");
163 i_debug = silc_debug = TRUE;
164 if (strlen(debug_string))
165 silc_log_set_debug_string(debug_string);
166 silc_log_set_debug_callbacks(silc_irssi_debug_print, NULL, NULL, NULL);
176 static bool silc_log_misc(SilcLogType type, char *message, void *context)
178 printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "%s: %s",
179 (type == SILC_LOG_INFO ? "[Info]" :
180 type == SILC_LOG_WARNING ? "[Warning]" : "[Error]"), message);
184 static void silc_nickname_format_parse(const char *nickname,
187 silc_parse_userfqdn(nickname, ret_nickname, NULL);
190 static void silc_register_cipher(SilcClient client, const char *cipher)
195 for (i = 0; silc_default_ciphers[i].name; i++)
196 if (!strcmp(silc_default_ciphers[i].name, cipher)) {
197 silc_cipher_register(&(silc_default_ciphers[i]));
201 if (!silc_cipher_is_supported(cipher)) {
202 SILC_LOG_ERROR(("Unknown cipher `%s'", cipher));
207 /* Register other defaults */
208 silc_cipher_register_default();
211 static void silc_register_hash(SilcClient client, const char *hash)
216 for (i = 0; silc_default_hash[i].name; i++)
217 if (!strcmp(silc_default_hash[i].name, hash)) {
218 silc_hash_register(&(silc_default_hash[i]));
222 if (!silc_hash_is_supported(hash)) {
223 SILC_LOG_ERROR(("Unknown hash function `%s'", hash));
228 /* Register other defaults */
229 silc_hash_register_default();
232 static void silc_register_hmac(SilcClient client, const char *hmac)
237 for (i = 0; silc_default_hmacs[i].name; i++)
238 if (!strcmp(silc_default_hmacs[i].name, hmac)) {
239 silc_hmac_register(&(silc_default_hmacs[i]));
243 if (!silc_hmac_is_supported(hmac)) {
244 SILC_LOG_ERROR(("Unknown HMAC `%s'", hmac));
249 /* Register other defaults */
250 silc_hmac_register_default();
253 /* Finalize init. Init finish signal calls this. */
255 void silc_opt_callback(poptContext con,
256 enum poptCallbackReason reason,
257 const struct poptOption *opt,
258 const char *arg, void *data)
260 if (strcmp(opt->longName, "list-ciphers") == 0) {
261 silc_cipher_register_default();
262 silc_client_list_ciphers();
266 if (strcmp(opt->longName, "list-hash-funcs") == 0) {
267 silc_hash_register_default();
268 silc_client_list_hash_funcs();
272 if (strcmp(opt->longName, "list-hmacs") == 0) {
273 silc_hmac_register_default();
274 silc_client_list_hmacs();
278 if (strcmp(opt->longName, "list-pkcs") == 0) {
279 silc_pkcs_register_default();
280 silc_client_list_pkcs();
284 if (strcmp(opt->longName, "debug") == 0) {
286 silc_debug_hexdump = TRUE;
287 silc_log_set_debug_string(arg);
290 "Run-time debugging is not enabled. To enable it recompile\n"
291 "the client with --enable-debug configuration option.\n");
296 if (strcmp(opt->longName, "create-key-pair") == 0) {
297 /* Create new key pair and exit */
298 silc_cipher_register_default();
299 silc_pkcs_register_default();
300 silc_hash_register_default();
301 silc_hmac_register_default();
302 silc_create_key_pair(opt_pkcs, opt_bits, NULL, NULL, NULL,
303 NULL, NULL, NULL, NULL, TRUE);
307 if (strcmp(opt->longName, "passphrase-change") == 0) {
308 /* Change the passphrase of the private key file */
309 silc_cipher_register_default();
310 silc_pkcs_register_default();
311 silc_hash_register_default();
312 silc_hmac_register_default();
313 silc_change_private_key_passphrase(arg, NULL, NULL);
317 if (strcmp(opt->longName, "show-key") == 0) {
319 silc_cipher_register_default();
320 silc_pkcs_register_default();
321 silc_hash_register_default();
322 silc_hmac_register_default();
323 silc_show_public_key((char *)arg);
328 static void sig_init_finished(void)
330 /* Check ~/.silc directory and public and private keys */
331 if (!silc_client_check_silc_dir()) {
336 /* Load public and private key */
337 if (!silc_client_load_keys(silc_client)) {
342 /* Initialize the SILC client */
343 if (!silc_client_init(silc_client)) {
349 /* Init SILC. Called from src/fe-text/silc.c */
351 void silc_core_init(void)
353 static struct poptOption silc_options[] = {
354 { NULL, '\0', POPT_ARG_CALLBACK, (void *)&silc_opt_callback, '\0', NULL },
355 { "list-ciphers", 0, POPT_ARG_NONE, NULL, 0,
356 "List supported ciphers", NULL },
357 { "list-hash-funcs", 0, POPT_ARG_NONE, NULL, 0,
358 "List supported hash functions", NULL },
359 { "list-hmacs", 0, POPT_ARG_NONE, NULL, 0,
360 "List supported HMACs", NULL },
361 { "list-pkcs", 0, POPT_ARG_NONE, NULL, 0,
362 "List supported PKCSs", NULL },
363 { "debug", 'd', POPT_ARG_STRING, NULL, 0,
364 "Enable debugging", "STRING" },
365 { "create-key-pair", 'C', POPT_ARG_NONE, NULL, 0,
366 "Create new public key pair", NULL },
367 { "pkcs", 0, POPT_ARG_STRING, &opt_pkcs, 0,
368 "Set the PKCS of the public key pair (-C)", "PKCS" },
369 { "bits", 0, POPT_ARG_INT, &opt_bits, 0,
370 "Set the length of the public key pair (-C)", "VALUE" },
371 { "passphrase-change", 'P', POPT_ARG_STRING, NULL, 0,
372 "Change the passphrase of private key file", "FILE" },
373 { "show-key", 'S', POPT_ARG_STRING, NULL, 0,
374 "Show the contents of the public key", "FILE" },
375 { NULL, '\0', 0, NULL }
378 CHAT_PROTOCOL_REC *rec;
379 SilcClientParams params;
380 const char *def_cipher, *def_hash, *def_hmac;
382 args_register(silc_options);
385 settings_add_bool("server", "skip_motd", FALSE);
386 settings_add_str("server", "alternate_nick", NULL);
387 settings_add_bool("server", "use_auto_addr", FALSE);
388 settings_add_str("server", "auto_bind_ip", "");
389 settings_add_str("server", "auto_public_ip", "");
390 settings_add_int("server", "auto_bind_port", 0);
391 settings_add_str("server", "crypto_default_cipher", SILC_DEFAULT_CIPHER);
392 settings_add_str("server", "crypto_default_hash", SILC_DEFAULT_HASH);
393 settings_add_str("server", "crypto_default_hmac", SILC_DEFAULT_HMAC);
394 settings_add_int("server", "key_exchange_timeout_secs", 120);
395 settings_add_int("server", "key_exchange_rekey_secs", 3600);
396 settings_add_int("server", "connauth_request_secs", 2);
397 settings_add_int("server", "heartbeat", 300);
399 /* Requested Attributes settings */
400 settings_add_bool("silc", "attr_allow", TRUE);
401 settings_add_str("silc", "attr_vcard", "");
402 settings_add_str("silc", "attr_services", "");
403 settings_add_str("silc", "attr_status_mood", "NORMAL");
404 settings_add_str("silc", "attr_status_text", "");
405 settings_add_str("silc", "attr_status_message", NULL);
406 settings_add_str("silc", "attr_preferred_language", "");
407 settings_add_str("silc", "attr_preferred_contact", "CHAT");
408 settings_add_bool("silc", "attr_timezone", TRUE);
409 settings_add_str("silc", "attr_geolocation", "");
410 settings_add_str("silc", "attr_device_info", NULL);
411 settings_add_str("silc", "attr_public_keys", "");
414 settings_add_bool("debug", "debug", FALSE);
415 settings_add_str("debug", "debug_string", "");
418 signal_add("setup changed", (SIGNAL_FUNC) sig_setup_changed);
419 signal_add("irssi init finished", (SIGNAL_FUNC) sig_init_finished);
421 silc_init_userinfo();
423 /* Initialize client parameters */
424 memset(¶ms, 0, sizeof(params));
425 strcat(params.nickname_format, "%n@%h%a");
426 params.nickname_parse = silc_nickname_format_parse;
427 params.rekey_secs = settings_get_int("key_exchange_rekey_secs");
428 params.connauth_request_secs = settings_get_int("connauth_request_secs");
430 /* Allocate SILC client */
431 silc_client = silc_client_alloc(&ops, ¶ms, NULL, silc_version_string);
433 /* Get the ciphers and stuff from config file */
434 def_cipher = settings_get_str("crypto_default_cipher");
435 def_hash = settings_get_str("crypto_default_hash");
436 def_hmac = settings_get_str("crypto_default_hmac");
437 silc_register_cipher(silc_client, def_cipher);
438 silc_register_hash(silc_client, def_hash);
439 silc_register_hmac(silc_client, def_hmac);
440 silc_pkcs_register_default();
442 /* Get user information */
443 silc_client->username = g_strdup(settings_get_str("user_name"));
444 silc_client->nickname = g_strdup(settings_get_str("nick"));
445 silc_client->hostname = silc_net_localhost();
446 silc_client->realname = g_strdup(settings_get_str("real_name"));
448 silc_log_set_callback(SILC_LOG_INFO, silc_log_misc, NULL);
449 silc_log_set_callback(SILC_LOG_WARNING, silc_log_misc, NULL);
450 silc_log_set_callback(SILC_LOG_ERROR, silc_log_misc, NULL);
451 silc_log_set_callback(SILC_LOG_FATAL, silc_log_misc, NULL);
453 /* Register SILC to the irssi */
454 rec = g_new0(CHAT_PROTOCOL_REC, 1);
456 rec->fullname = "Secure Internet Live Conferencing";
457 rec->chatnet = "silcnet";
458 rec->create_chatnet = create_chatnet;
459 rec->create_server_setup = create_server_setup;
460 rec->create_channel_setup = create_channel_setup;
461 rec->create_server_connect = create_server_connect;
462 rec->destroy_server_connect = destroy_server_connect;
463 rec->server_init_connect = silc_server_init_connect;
464 rec->server_connect = silc_server_connect;
465 rec->channel_create = (CHANNEL_REC *(*) (SERVER_REC *, const char *,
468 rec->query_create = (QUERY_REC *(*) (const char *, const char *, int))
471 chat_protocol_register(rec);
475 silc_channels_init();
477 silc_expandos_init();
479 idletag = g_timeout_add(5, (GSourceFunc) my_silc_scheduler, NULL);
481 module_register("silc", "core");
484 /* Deinit SILC. Called from src/fe-text/silc.c */
486 void silc_core_deinit(void)
489 signal_emit("chat protocol deinit", 1,
490 chat_protocol_find("SILC"));
491 signal_remove("setup changed", (SIGNAL_FUNC) sig_setup_changed);
492 signal_remove("irssi init finished", (SIGNAL_FUNC) sig_init_finished);
494 silc_server_deinit();
495 silc_channels_deinit();
496 silc_queries_deinit();
497 silc_expandos_deinit();
499 chat_protocol_unregister("SILC");
501 g_source_remove(idletag);
504 g_free(silc_client->username);
505 g_free(silc_client->realname);
506 silc_client_free(silc_client);