X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=apps%2Firssi%2Fsrc%2Fsilc%2Fcore%2Fsilc-core.c;h=9a61a48b736fe8af8702078611bd078ec6a14133;hb=017dec75a98209fbef49eb496c2269b0c49e736d;hp=7afa379ba7805c3267e8c7d38cbd72b9641a8090;hpb=6bdd7d2dd5279434f63b673e327b43d2513ec3a5;p=silc.git diff --git a/apps/irssi/src/silc/core/silc-core.c b/apps/irssi/src/silc/core/silc-core.c index 7afa379b..9a61a48b 100644 --- a/apps/irssi/src/silc/core/silc-core.c +++ b/apps/irssi/src/silc/core/silc-core.c @@ -1,5 +1,26 @@ +/* + + silc-core.c + + Author: Pekka Riikonen + + Copyright (C) 2001 Pekka Riikonen + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + +*/ + #include "module.h" #include "chat-protocols.h" +#include "args.h" #include "chatnets.h" #include "servers-setup.h" @@ -9,469 +30,350 @@ #include "silc-queries.h" #include "silc-nicklist.h" #include "version_internal.h" +#include "version.h" #include "signals.h" #include "levels.h" #include "settings.h" #include "fe-common/core/printtext.h" #include "fe-common/core/fe-channels.h" +#include "fe-common/core/keyboard.h" +#include "fe-common/silc/module-formats.h" -#define SILC_CLIENT_PUBLIC_KEY_NAME "public_key.pub" -#define SILC_CLIENT_PRIVATE_KEY_NAME "private_key.prv" - -#define SILC_CLIENT_DEF_PKCS "rsa" -#define SILC_CLIENT_DEF_PKCS_LEN 1024 - -SilcClient silc_client; -const char *silc_version_string = SILC_PROTOCOL_VERSION_STRING; +/* Command line option variables */ +static bool opt_create_keypair = FALSE; +static bool opt_debug = FALSE; +static bool opt_list_ciphers = FALSE; +static bool opt_list_hash = FALSE; +static bool opt_list_hmac = FALSE; +static bool opt_list_pkcs = FALSE; +static bool opt_version = FALSE; +static char *opt_pkcs = NULL; +static char *opt_keyfile = NULL; +static int opt_bits = 0; static int idletag; +SilcClient silc_client = NULL; +SilcClientConfig silc_config = NULL; extern SilcClientOperations ops; +extern int silc_debug; +#ifdef SILC_SIM +/* SIM (SILC Module) table */ +SilcSimContext **sims = NULL; +uint32 sims_count = 0; +#endif -static void silc_say(SilcClient client, SilcClientConnection conn, - char *msg, ...) -{ - SILC_SERVER_REC *server; - va_list va; - char *str; - - server = conn == NULL ? NULL : conn->context; - - va_start(va, msg); - str = g_strdup_vprintf(msg, va); - printtext(server, "#silc", MSGLEVEL_CRAP, "%s", str); - g_free(str); - va_end(va); -} - -static void silc_channel_message(SilcClient c, SilcClientConnection conn, - SilcClientEntry client, - SilcChannelEntry channel, char *msg) -{ - SILC_SERVER_REC *server; - SILC_NICK_REC *nick; - SILC_CHANNEL_REC *chanrec; - - server = conn == NULL ? NULL : conn->context; - chanrec = silc_channel_find_entry(server, channel); - - nick = client == NULL ? NULL : silc_nicklist_find(chanrec, client); - signal_emit("message public", 6, server, msg, - nick == NULL ? "(unknown)" : nick->nick, - nick == NULL ? NULL : nick->host, - chanrec->name, nick); -} - -static void silc_private_message(SilcClient c, SilcClientConnection conn, - SilcClientEntry client, char *msg) +static int my_silc_scheduler(void) { - SILC_SERVER_REC *server; - - server = conn == NULL ? NULL : conn->context; - signal_emit("message private", 4, server, msg, - client == NULL ? "(unknown)" : client->nickname, - client == NULL ? NULL : client->username); + silc_schedule_one(silc_client->schedule, 0); + return 1; } -typedef struct { - int type; - const char *name; -} NOTIFY_REC; - -#define MAX_NOTIFY (sizeof(notifies)/sizeof(notifies[0])) -static NOTIFY_REC notifies[] = { - { SILC_NOTIFY_TYPE_NONE, NULL }, - { SILC_NOTIFY_TYPE_INVITE, "invite" }, - { SILC_NOTIFY_TYPE_JOIN, "join" }, - { SILC_NOTIFY_TYPE_LEAVE, "leave" }, - { SILC_NOTIFY_TYPE_SIGNOFF, "signoff" }, - { SILC_NOTIFY_TYPE_TOPIC_SET, "topic" }, - { SILC_NOTIFY_TYPE_NICK_CHANGE, "nick" }, - { SILC_NOTIFY_TYPE_CMODE_CHANGE, "cmode" }, - { SILC_NOTIFY_TYPE_CUMODE_CHANGE, "cumode" }, - { SILC_NOTIFY_TYPE_MOTD, "motd" } -}; - -static void silc_notify(SilcClient client, SilcClientConnection conn, - SilcNotifyType type, ...) +static CHATNET_REC *create_chatnet(void) { - SILC_SERVER_REC *server; - va_list va; - - server = conn == NULL ? NULL : conn->context; - va_start(va, type); - - if (type == SILC_NOTIFY_TYPE_NONE) { - /* some generic notice from server */ - printtext(server, NULL, MSGLEVEL_CRAP, "%s", - (char *) va_arg(va, char *)); - } else if (type < MAX_NOTIFY) { - /* send signal about the notify event */ - char signal[50]; - - g_snprintf(signal, sizeof(signal), "silc event %s", - notifies[type].name); - signal_emit(signal, 2, server, va); - } else { - /* unknown notify */ - printtext(server, NULL, MSGLEVEL_CRAP, - "Unknown notify %d", type); - } - va_end(va); + return g_malloc0(sizeof(CHATNET_REC)); } -static void silc_connect(SilcClient client, SilcClientConnection conn, int success) +static SERVER_SETUP_REC *create_server_setup(void) { - SILC_SERVER_REC *server = conn->context; - - if (success) { - server->connected = TRUE; - signal_emit("event connected", 1, server); - } else { - server->connection_lost = TRUE; - server->conn->context = NULL; - server_disconnect(SERVER(server)); - } + return g_malloc0(sizeof(SERVER_SETUP_REC)); } -static void silc_disconnect(SilcClient client, SilcClientConnection conn) +static CHANNEL_SETUP_REC *create_channel_setup(void) { - SILC_SERVER_REC *server = conn->context; - - server->conn->context = NULL; - server->conn = NULL; - server->connection_lost = TRUE; - server_disconnect(SERVER(server)); + return g_malloc0(sizeof(CHANNEL_SETUP_REC)); } -static void silc_command(SilcClient client, SilcClientConnection conn, - SilcClientCommandContext cmd_context, int success, - SilcCommand command) +static SERVER_CONNECT_REC *create_server_connect(void) { + return g_malloc0(sizeof(SILC_SERVER_CONNECT_REC)); } -static void silc_command_reply(SilcClient client, SilcClientConnection conn, - SilcCommandPayload cmd_payload, int success, - SilcCommand command, - SilcCommandStatus status, ...) -{ - SILC_SERVER_REC *server = conn->context; - SILC_CHANNEL_REC *chanrec; - va_list va; - - va_start(va, status); - - /*g_snprintf(signal, sizeof(signal), "silc command reply %s", - silc_commands[type]); - signal_emit(signal, 2, server, va);*/ - - switch(command) { - case SILC_COMMAND_JOIN: { - char *channel, *mode; - - channel = va_arg(va, char *); - (void)va_arg(va, SilcChannelEntry); - mode = silc_client_chmode(va_arg(va, unsigned int)); - - chanrec = silc_channel_find(server, channel); - if (chanrec != NULL && !success) - channel_destroy(CHANNEL(chanrec)); - else if (chanrec == NULL && success) - chanrec = silc_channel_create(server, channel, TRUE); - - g_free_not_null(chanrec->mode); - chanrec->mode = g_strdup(mode == NULL ? "" : mode); - signal_emit("channel mode changed", 1, chanrec); - break; - } - case SILC_COMMAND_NICK: { - SilcClientEntry client = va_arg(va, SilcClientEntry); - char *old; - - old = g_strdup(server->nick); - server_change_nick(SERVER(server), client->nickname); - nicklist_rename_unique(SERVER(server), - server->conn->local_entry, server->nick, - client, client->nickname); - - signal_emit("message own_nick", 4, - server, server->nick, old, ""); - g_free(old); - break; - } - case SILC_COMMAND_USERS: { - SilcChannelEntry channel; - SilcChannelUser user; - NICK_REC *ownnick; - - channel = va_arg(va, SilcChannelEntry); - chanrec = silc_channel_find_entry(server, channel); - if (chanrec == NULL) - break; - - silc_list_start(channel->clients); - while ((user = silc_list_get(channel->clients)) != NULL) - silc_nicklist_insert(chanrec, user, FALSE); - - ownnick = NICK(silc_nicklist_find(chanrec, conn->local_entry)); - nicklist_set_own(CHANNEL(chanrec), ownnick); - signal_emit("channel joined", 1, chanrec); - fe_channels_nicklist(CHANNEL(chanrec), - CHANNEL_NICKLIST_FLAG_ALL); - break; - } - } - - va_end(va); -} +/* Checks user information and saves them to the config file it they + do not exist there already. */ -static int silc_verify_server_key(SilcClient client, SilcClientConnection conn, - unsigned char *pk, unsigned int pk_len, - SilcSKEPKType pk_type) +static void silc_init_userinfo(void) { - return TRUE; + const char *set, *nick, *user_name; + char *str; + + /* check if nick/username/realname wasn't read from setup.. */ + set = settings_get_str("real_name"); + if (set == NULL || *set == '\0') { + str = g_getenv("SILCNAME"); + if (!str) + str = g_getenv("IRCNAME"); + settings_set_str("real_name", + str != NULL ? str : g_get_real_name()); + } + + /* username */ + user_name = settings_get_str("user_name"); + if (user_name == NULL || *user_name == '\0') { + str = g_getenv("SILCUSER"); + if (!str) + str = g_getenv("IRCUSER"); + settings_set_str("user_name", + str != NULL ? str : g_get_user_name()); + + user_name = settings_get_str("user_name"); + } + + /* nick */ + nick = settings_get_str("nick"); + if (nick == NULL || *nick == '\0') { + str = g_getenv("SILCNICK"); + if (!str) + str = g_getenv("IRCNICK"); + settings_set_str("nick", str != NULL ? str : user_name); + + nick = settings_get_str("nick"); + } + + /* alternate nick */ + set = settings_get_str("alternate_nick"); + if (set == NULL || *set == '\0') { + if (strlen(nick) < 9) + str = g_strconcat(nick, "_", NULL); + else { + str = g_strdup(nick); + str[strlen(str)-1] = '_'; + } + settings_set_str("alternate_nick", str); + g_free(str); + } + + /* host name */ + set = settings_get_str("hostname"); + if (set == NULL || *set == '\0') { + str = g_getenv("SILCHOST"); + if (!str) + str = g_getenv("IRCHOST"); + if (str != NULL) + settings_set_str("hostname", str); + } } -static unsigned char *silc_ask_passphrase(SilcClient client, - SilcClientConnection conn) -{ - return NULL; -} +/* Log callbacks */ -static int silc_get_auth_method(SilcClient client, SilcClientConnection conn, - char *hostname, unsigned short port, - SilcProtocolAuthMeth *auth_meth, - unsigned char **auth_data, - unsigned int *auth_data_len) +static void silc_log_info(char *message) { - return FALSE; + fprintf(stderr, "%s\n", message); } -static void silc_failure(SilcClient client, SilcClientConnection conn, - SilcProtocol protocol, void *failure) +static void silc_log_warning(char *message) { + fprintf(stderr, "%s\n", message); } -static int key_agreement(SilcClient client, SilcClientConnection conn, - SilcClientEntry client_entry, char *hostname, - int port) +static void silc_log_error(char *message) { - return FALSE; + fprintf(stderr, "%s\n", message); } -SilcClientOperations ops = { - silc_say, - silc_channel_message, - silc_private_message, - silc_notify, - silc_command, - silc_command_reply, - silc_connect, - silc_disconnect, - silc_get_auth_method, - silc_verify_server_key, - silc_ask_passphrase, - silc_failure, - key_agreement -}; - -/* Loads public and private key from files. */ - -static void silc_client_create_key_pair(char *pkcs_name, int bits, - char *identifier, - SilcPublicKey *pub_key, - SilcPrivateKey *prv_key) -{ - SilcPKCS pkcs; - SilcRng rng; - unsigned char *key; - unsigned int key_len; - - rng = silc_rng_alloc(); - silc_rng_init(rng); - silc_rng_global_init(rng); - - silc_pkcs_alloc(pkcs_name, &pkcs); - pkcs->pkcs->init(pkcs->context, bits, rng); - - /* Create public key */ - key = silc_pkcs_get_public_key(pkcs, &key_len); - *pub_key = silc_pkcs_public_key_alloc(pkcs->pkcs->name, identifier, - key, key_len); +/* Init SILC. Called from src/fe-text/silc.c */ - memset(key, 0, sizeof(key_len)); - silc_free(key); - - /* Create private key */ - key = silc_pkcs_get_private_key(pkcs, &key_len); - *prv_key = silc_pkcs_private_key_alloc(pkcs->pkcs->name, key, key_len); - - memset(key, 0, sizeof(key_len)); - silc_free(key); - - silc_rng_free(rng); - silc_pkcs_free(pkcs); -} - -static int read_keyfiles(SilcClient client, char *public_file, - char *private_file) -{ - struct stat statbuf; - - if (stat(public_file, &statbuf) != 0 || - stat(private_file, &statbuf) != 0) - return FALSE; - - if (!silc_pkcs_load_private_key(private_file, &client->private_key, - SILC_PKCS_FILE_BIN) && - !silc_pkcs_load_private_key(private_file, &client->private_key, - SILC_PKCS_FILE_PEM)) - return FALSE; - - if (!silc_pkcs_load_public_key(public_file, &client->public_key, - SILC_PKCS_FILE_PEM) && - !silc_pkcs_load_public_key(public_file, &client->public_key, - SILC_PKCS_FILE_BIN)) - return FALSE; - - return TRUE; -} - -static char *silc_create_identifier(SilcClient client) -{ - char hostname[256], *email, *ret; - - if (gethostname(hostname, sizeof(hostname)) != 0) - hostname[0] = '\0'; - - email = g_strdup_printf("%s@%s", client->username, hostname); - ret = silc_pkcs_encode_identifier(client->username, hostname, - client->realname, email, - NULL, NULL); - g_free(email); - return ret; -} - -static int load_keys(SilcClient client) -{ - char *public_file, *private_file; - char *identifier; - - public_file = g_strdup_printf("%s/.irssi/%s", g_get_home_dir(), - SILC_CLIENT_PUBLIC_KEY_NAME); - private_file = g_strdup_printf("%s/.irssi/%s", g_get_home_dir(), - SILC_CLIENT_PRIVATE_KEY_NAME); - - if (!read_keyfiles(client, public_file, private_file)) { - /* couldn't read key files, recreate them */ - identifier = silc_create_identifier(client); - silc_client_create_key_pair(SILC_CLIENT_DEF_PKCS, - SILC_CLIENT_DEF_PKCS_LEN, - identifier, - &client->public_key, - &client->private_key); - silc_free(identifier); - - silc_pkcs_save_public_key(public_file, client->public_key, - SILC_PKCS_FILE_PEM); - silc_pkcs_save_private_key(private_file, client->private_key, - NULL, SILC_PKCS_FILE_BIN); - } - - g_free(public_file); - g_free(private_file); - return TRUE; -} - -static int my_silc_scheduler(void) -{ - silc_schedule_one(0); - return 1; -} - -static CHATNET_REC *create_chatnet(void) +void silc_core_init(void) { - return g_malloc0(sizeof(CHATNET_REC)); + static struct poptOption options[] = { + { "create-key-pair", 'C', POPT_ARG_NONE, &opt_create_keypair, 0, + "Create new public key pair", NULL }, + { "pkcs", 0, POPT_ARG_STRING, &opt_pkcs, 0, + "Set the PKCS of the public key pair", "PKCS" }, + { "bits", 0, POPT_ARG_INT, &opt_bits, 0, + "Set the length of the public key pair", "VALUE" }, + { "show-key", 'S', POPT_ARG_STRING, &opt_keyfile, 0, + "Show the contents of the public key", "FILE" }, + { "list-ciphers", 'C', POPT_ARG_NONE, &opt_list_ciphers, 0, + "List supported ciphers", NULL }, + { "list-hash-funcs", 'H', POPT_ARG_NONE, &opt_list_hash, 0, + "List supported hash functions", NULL }, + { "list-hmacs", 'H', POPT_ARG_NONE, &opt_list_hmac, 0, + "List supported HMACs", NULL }, + { "list-pkcs", 'P', POPT_ARG_NONE, &opt_list_pkcs, 0, + "List supported PKCSs", NULL }, + { "debug", 'd', POPT_ARG_NONE, &opt_debug, 0, + "Enable debugging", NULL }, + { "version", 'V', POPT_ARG_NONE, &opt_version, 0, + "Show version", NULL }, + { NULL, '\0', 0, NULL } + }; + + args_register(options); } -static SERVER_SETUP_REC *create_server_setup(void) +static void silc_nickname_format_parse(const char *nickname, + char **ret_nickname) { - return g_malloc0(sizeof(SERVER_SETUP_REC)); + silc_parse_userfqdn(nickname, ret_nickname, NULL); } -static CHANNEL_SETUP_REC *create_channel_setup(void) -{ - return g_malloc0(sizeof(CHANNEL_SETUP_REC)); -} +/* Finalize init. Called from src/fe-text/silc.c */ -static SERVER_CONNECT_REC *create_server_connect(void) +void silc_core_init_finish(void) { - return g_malloc0(sizeof(SILC_SERVER_CONNECT_REC)); + CHAT_PROTOCOL_REC *rec; + SilcClientParams params; + + if (opt_create_keypair == TRUE) { + /* Create new key pair and exit */ + silc_cipher_register_default(); + silc_pkcs_register_default(); + silc_hash_register_default(); + silc_hmac_register_default(); + silc_client_create_key_pair(opt_pkcs, opt_bits, + NULL, NULL, NULL, NULL, NULL); + exit(0); + } + + if (opt_keyfile) { + /* Dump the key */ + silc_cipher_register_default(); + silc_pkcs_register_default(); + silc_hash_register_default(); + silc_hmac_register_default(); + silc_client_show_key(opt_keyfile); + exit(0); + } + + if (opt_list_ciphers) { + silc_cipher_register_default(); + silc_client_list_ciphers(); + exit(0); + } + + if (opt_list_hash) { + silc_hash_register_default(); + silc_client_list_hash_funcs(); + exit(0); + } + + if (opt_list_hmac) { + silc_hmac_register_default(); + silc_client_list_hmacs(); + exit(0); + } + + if (opt_list_pkcs) { + silc_pkcs_register_default(); + silc_client_list_pkcs(); + exit(0); + } + + if (opt_version) { + printf("SILC Secure Internet Live Conferencing, version %s\n", + silc_version); + printf("(c) 1997 - 2001 Pekka Riikonen \n"); + exit(0); + } + + silc_debug = opt_debug; + silc_log_set_callbacks(silc_log_info, silc_log_warning, + silc_log_error, NULL); + + /* Do some irssi initializing */ + settings_add_bool("server", "skip_motd", FALSE); + settings_add_str("server", "alternate_nick", NULL); + silc_init_userinfo(); + + /* Initialize client parameters */ + memset(¶ms, 0, sizeof(params)); + strcat(params.nickname_format, "%n@%h%a"); + params.nickname_parse = silc_nickname_format_parse; + + /* Allocate SILC client */ + silc_client = silc_client_alloc(&ops, ¶ms, NULL, silc_version_string); + + /* Load local config file */ + silc_config = silc_client_config_alloc(SILC_CLIENT_HOME_CONFIG_FILE); + + /* Get user information */ + silc_client->username = g_strdup(settings_get_str("user_name")); + silc_client->hostname = silc_net_localhost(); + silc_client->realname = g_strdup(settings_get_str("real_name")); + + /* Register all configured ciphers, PKCS and hash functions. */ + if (silc_config) { + silc_config->client = silc_client; + if (!silc_client_config_register_ciphers(silc_config)) + silc_cipher_register_default(); + if (!silc_client_config_register_pkcs(silc_config)) + silc_pkcs_register_default(); + if (!silc_client_config_register_hashfuncs(silc_config)) + silc_hash_register_default(); + if (!silc_client_config_register_hmacs(silc_config)) + silc_hmac_register_default(); + } else { + /* Register default ciphers, pkcs, hash funtions and hmacs. */ + silc_cipher_register_default(); + silc_pkcs_register_default(); + silc_hash_register_default(); + silc_hmac_register_default(); + } + + /* Check ~/.silc directory and public and private keys */ + if (silc_client_check_silc_dir() == FALSE) { + idletag = -1; + return; + } + + /* Load public and private key */ + if (silc_client_load_keys(silc_client) == FALSE) { + idletag = -1; + return; + } + + /* Initialize the SILC client */ + if (!silc_client_init(silc_client)) { + idletag = -1; + return; + } + + /* Register SILC to the irssi */ + rec = g_new0(CHAT_PROTOCOL_REC, 1); + rec->name = "SILC"; + rec->fullname = "Secure Internet Live Conferencing"; + rec->chatnet = "silcnet"; + rec->create_chatnet = create_chatnet; + rec->create_server_setup = create_server_setup; + rec->create_channel_setup = create_channel_setup; + rec->create_server_connect = create_server_connect; + rec->server_connect = (SERVER_REC *(*) (SERVER_CONNECT_REC *)) + silc_server_connect; + rec->channel_create = (CHANNEL_REC *(*) (SERVER_REC *, const char *, int)) + silc_channel_create; + rec->query_create = (QUERY_REC *(*) (const char *, const char *, int)) + silc_query_create; + + chat_protocol_register(rec); + g_free(rec); + + silc_server_init(); + silc_channels_init(); + silc_queries_init(); + + idletag = g_timeout_add(50, (GSourceFunc) my_silc_scheduler, NULL); } -/* Command line option variables */ -void silc_core_init(void) -{ - CHAT_PROTOCOL_REC *rec; - - silc_client = silc_client_alloc(&ops, NULL); - silc_client->username = g_strdup(settings_get_str("user_name")); - silc_client->hostname = silc_net_localhost(); - silc_client->realname = g_strdup(settings_get_str("real_name")); - - if (!load_keys(silc_client)) { - idletag = -1; - return; - } - - silc_client_init(silc_client); - - rec = g_new0(CHAT_PROTOCOL_REC, 1); - rec->name = "SILC"; - rec->fullname = "Secure Internet Live Conferencing"; - rec->chatnet = "silcnet"; - - rec->create_chatnet = create_chatnet; - rec->create_server_setup = create_server_setup; - rec->create_channel_setup = create_channel_setup; - rec->create_server_connect = create_server_connect; - - rec->server_connect = (SERVER_REC *(*) (SERVER_CONNECT_REC *)) - silc_server_connect; - rec->channel_create = - (CHANNEL_REC *(*) (SERVER_REC *, const char *, int)) - silc_channel_create; - rec->query_create = - (QUERY_REC *(*) (const char *, const char *, int)) - silc_query_create; - - chat_protocol_register(rec); - g_free(rec); - - silc_server_init(); - silc_channels_init(); - silc_queries_init(); - - idletag = g_timeout_add(100, (GSourceFunc) my_silc_scheduler, NULL); -} +/* Deinit SILC. Called from src/fe-text/silc.c */ void silc_core_deinit(void) { - if (idletag != -1) { - signal_emit("chat protocol deinit", 1, - chat_protocol_find("SILC")); - - silc_server_deinit(); - silc_channels_deinit(); - silc_queries_deinit(); - - chat_protocol_unregister("SILC"); - - g_source_remove(idletag); - } - - g_free(silc_client->username); - g_free(silc_client->realname); - silc_client_free(silc_client); + if (idletag != -1) { + signal_emit("chat protocol deinit", 1, + chat_protocol_find("SILC")); + + silc_server_deinit(); + silc_channels_deinit(); + silc_queries_deinit(); + + chat_protocol_unregister("SILC"); + + g_source_remove(idletag); + } + + g_free(silc_client->username); + g_free(silc_client->realname); + silc_client_free(silc_client); }