Created SILC Runtime Toolkit git repository Part I.
[runtime.git] / apps / irssi / src / silc / core / silc-channels.c
diff --git a/apps/irssi/src/silc/core/silc-channels.c b/apps/irssi/src/silc/core/silc-channels.c
deleted file mode 100644 (file)
index 4bd4e49..0000000
+++ /dev/null
@@ -1,1297 +0,0 @@
-/*
-  silc-channels.c : irssi
-
-  Copyright (C) 2000 - 2001, 2004, 2006, 2007 Timo Sirainen
-                Pekka Riikonen <priikone@silcnet.org>
-
-  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.
-
-  You should have received a copy of the GNU General Public License
-  along with this program; if not, write to the Free Software
-  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*/
-
-#include "module.h"
-
-#include "net-nonblock.h"
-#include "net-sendbuffer.h"
-#include "signals.h"
-#include "servers.h"
-#include "commands.h"
-#include "levels.h"
-#include "modules.h"
-#include "rawlog.h"
-#include "misc.h"
-#include "settings.h"
-
-#include "channels-setup.h"
-
-#include "silc-servers.h"
-#include "silc-channels.h"
-#include "silc-queries.h"
-#include "silc-nicklist.h"
-#include "silc-cmdqueue.h"
-#include "window-item-def.h"
-
-#include "fe-common/core/printtext.h"
-#include "fe-common/silc/module-formats.h"
-
-#include "silc-commands.h"
-
-void sig_mime(SILC_SERVER_REC *server, SILC_CHANNEL_REC *channel,
-             const char *blob, const char *nick, int verified)
-{
-  unsigned char *message;
-  SilcUInt32 message_len;
-  SilcMime mime;
-
-  if (!(IS_SILC_SERVER(server)))
-    return;
-
-  message = silc_unescape_data(blob, &message_len);
-
-  mime = silc_mime_decode(NULL, message, message_len);
-  if (!mime) {
-    silc_free(message);
-    return;
-  }
-
-  printformat_module("fe-common/silc", server,
-                    channel == NULL ? NULL : channel->name,
-                    MSGLEVEL_CRAP, SILCTXT_MESSAGE_DATA,
-                    nick == NULL ? "[<unknown>]" : nick,
-                    silc_mime_get_field(mime, "Content-Type"));
-
-  silc_free(message);
-  silc_mime_free(mime);
-}
-
-SILC_CHANNEL_REC *silc_channel_create(SILC_SERVER_REC *server,
-                                     const char *name,
-                                     const char *visible_name,
-                                     int automatic)
-{
-  SILC_CHANNEL_REC *rec;
-
-  g_return_val_if_fail(server == NULL || IS_SILC_SERVER(server), NULL);
-  g_return_val_if_fail(name != NULL, NULL);
-
-  rec = g_new0(SILC_CHANNEL_REC, 1);
-  rec->chat_type = SILC_PROTOCOL;
-  channel_init((CHANNEL_REC *)rec, (SERVER_REC *)server, name, name,
-              automatic);
-  return rec;
-}
-
-static void sig_channel_destroyed(SILC_CHANNEL_REC *channel)
-{
-  if (!IS_SILC_CHANNEL(channel))
-    return;
-  if (channel->server && channel->server->disconnected)
-    return;
-
-  if (channel->server != NULL && !channel->left && !channel->kicked) {
-    /* destroying channel record without actually
-       having left the channel yet */
-    silc_command_exec(channel->server, "LEAVE", channel->name);
-    /* enable queueing because we destroy the channel immedially */
-    silc_queue_enable(channel->server->conn);
-  }
-}
-
-static void silc_channels_join(SILC_SERVER_REC *server,
-                              const char *channels, int automatic)
-{
-  char **list, **tmp;
-  char *channel, *key;
-  SILC_CHANNEL_REC *chanrec;
-  CHANNEL_SETUP_REC *schannel;
-  GString *tmpstr;
-
-  list = g_strsplit(channels, ",", -1);
-  for (tmp = list; *tmp != NULL; tmp++) {
-    chanrec = silc_channel_find(server, *tmp);
-    if (chanrec)
-      continue;
-
-    channel = *tmp;
-    key = strchr(channel, ' ');
-    if (key != NULL) {
-      *key = '\0';
-      key++;
-    }
-    tmpstr = g_string_new(NULL);
-
-    schannel = channel_setup_find(channel, server->connrec->chatnet);
-    if (key && *key != '\0')
-      g_string_sprintfa(tmpstr, "%s %s", channel, key);
-    else if (schannel && schannel->password && schannel->password[0] != '\0')
-      g_string_sprintfa(tmpstr, "%s %s", channel, schannel->password);
-    else
-      g_string_sprintfa(tmpstr, "%s", channel);
-
-
-    silc_command_exec(server, "JOIN", tmpstr->str);
-    g_string_free(tmpstr, FALSE);
-  }
-
-  g_strfreev(list);
-}
-
-static void sig_connected(SILC_SERVER_REC *server)
-{
-  if (IS_SILC_SERVER(server))
-    server->channels_join = (void *) silc_channels_join;
-}
-
-/* "server quit" signal from the core to indicate that QUIT command
-   was called. */
-
-static void sig_server_quit(SILC_SERVER_REC *server, const char *msg)
-{
-  if (IS_SILC_SERVER(server) && server->conn)
-    silc_command_exec(server, "QUIT", msg);
-}
-
-/* Find Irssi channel entry by SILC channel entry */
-
-SILC_CHANNEL_REC *silc_channel_find_entry(SILC_SERVER_REC *server,
-                                         SilcChannelEntry entry)
-{
-  GSList *tmp;
-
-  g_return_val_if_fail(IS_SILC_SERVER(server), NULL);
-
-  for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
-    SILC_CHANNEL_REC *rec = tmp->data;
-
-    if (rec->entry == entry)
-      return rec;
-  }
-
-  return NULL;
-}
-
-/* PART (LEAVE) command. */
-
-static void command_part(const char *data, SILC_SERVER_REC *server,
-                        WI_ITEM_REC *item)
-{
-  SILC_CHANNEL_REC *chanrec;
-  char userhost[256];
-
-  CMD_SILC_SERVER(server);
-
-  if (!IS_SILC_SERVER(server) || !server->connected)
-    cmd_return_error(CMDERR_NOT_CONNECTED);
-
-  if (!strcmp(data, "*") || *data == '\0') {
-    if (!IS_SILC_CHANNEL(item))
-      cmd_return_error(CMDERR_NOT_JOINED);
-    data = item->visible_name;
-  }
-
-  chanrec = silc_channel_find(server, data);
-  if (chanrec == NULL)
-    cmd_return_error(CMDERR_CHAN_NOT_FOUND);
-
-  memset(userhost, 0, sizeof(userhost));
-  snprintf(userhost, sizeof(userhost) - 1, "%s@%s",
-          server->conn->local_entry->username,
-          server->conn->local_entry->hostname);
-  signal_emit("message part", 5, server, chanrec->name,
-             server->nick, userhost, "");
-
-  chanrec->left = TRUE;
-  silc_command_exec(server, "LEAVE", chanrec->name);
-  /* enable queueing because we destroy the channel immedially */
-  silc_queue_enable(server->conn);
-  signal_stop();
-
-  channel_destroy(CHANNEL(chanrec));
-}
-
-
-/* ACTION local command. */
-
-static void command_action(const char *data, SILC_SERVER_REC *server,
-                          WI_ITEM_REC *item)
-{
-  GHashTable *optlist;
-  char *target, *msg;
-  char *message = NULL;
-  int target_type;
-  void *free_arg;
-  SilcBool sign = FALSE;
-
-  CMD_SILC_SERVER(server);
-  if (!IS_SILC_SERVER(server) || !server->connected)
-    cmd_return_error(CMDERR_NOT_CONNECTED);
-
-  if ((item != NULL) && (!IS_SILC_CHANNEL(item) && !IS_SILC_QUERY(item)))
-    cmd_return_error(CMDERR_NOT_JOINED);
-
-  /* Now parse all arguments */
-  if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
-                     PARAM_FLAG_GETREST,
-                     "action", &optlist, &target, &msg))
-    return;
-
-  if (*target == '\0' || *msg == '\0')
-    cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
-
-  if (strcmp(target, "*") == 0) {
-    /* send to active channel/query */
-    if (item == NULL)
-      cmd_param_error(CMDERR_NOT_JOINED);
-
-    target_type = IS_SILC_CHANNEL(item) ?
-           SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
-    target = (char *)window_item_get_target(item);
-  } else if (g_hash_table_lookup(optlist, "channel") != NULL)
-    target_type = SEND_TARGET_CHANNEL;
-  else {
-    target_type = SEND_TARGET_NICK;
-  }
-
-  if (!silc_term_utf8()) {
-    int len = silc_utf8_encoded_len(msg, strlen(msg),
-                                   SILC_STRING_LOCALE);
-    message = silc_calloc(len + 1, sizeof(*message));
-    g_return_if_fail(message != NULL);
-    silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE,
-                    message, len);
-  }
-
-  if (target != NULL) {
-    if (target_type == SEND_TARGET_CHANNEL) {
-      sign = (g_hash_table_lookup(optlist, "sign") ? TRUE :
-             settings_get_bool("sign_channel_messages") ? TRUE : FALSE);
-      if (silc_send_channel(server, target, (message != NULL ? message : msg),
-                           SILC_MESSAGE_FLAG_ACTION | SILC_MESSAGE_FLAG_UTF8 |
-                           (sign ? SILC_MESSAGE_FLAG_SIGNED : 0))) {
-       if (g_hash_table_lookup(optlist, "sign"))
-          signal_emit("message silc signed_own_action", 3, server, msg, target);
-       else
-          signal_emit("message silc own_action", 3, server, msg, target);
-      }
-    } else {
-      sign = (g_hash_table_lookup(optlist, "sign") ? TRUE :
-             settings_get_bool("sign_private_messages") ? TRUE : FALSE);
-      if (silc_send_msg(server, target, (message != NULL ? message : msg),
-                       (message != NULL ? strlen(message) : strlen(msg)),
-                       SILC_MESSAGE_FLAG_ACTION | SILC_MESSAGE_FLAG_UTF8 |
-                       (sign ? SILC_MESSAGE_FLAG_SIGNED : 0))) {
-       if (g_hash_table_lookup(optlist, "sign"))
-         signal_emit("message silc signed_own_private_action", 3,
-                         server, msg, target);
-       else
-         signal_emit("message silc own_private_action", 3,
-                         server, msg, target);
-      }
-    }
-  }
-
-  cmd_params_free(free_arg);
-  silc_free(message);
-}
-
-/* ME local command. */
-
-static void command_me(const char *data, SILC_SERVER_REC *server,
-                      WI_ITEM_REC *item)
-{
-  char *tmpcmd;
-
-  CMD_SILC_SERVER(server);
-  if (!IS_SILC_SERVER(server) || !server->connected)
-    cmd_return_error(CMDERR_NOT_CONNECTED);
-
-  if (!IS_SILC_CHANNEL(item) && !IS_SILC_QUERY(item))
-    cmd_return_error(CMDERR_NOT_JOINED);
-
-  if (IS_SILC_CHANNEL(item))
-    tmpcmd = g_strdup_printf("-channel %s %s", item->visible_name, data);
-  else
-    tmpcmd = g_strdup_printf("%s %s", item->visible_name, data);
-
-  command_action(tmpcmd, server, item);
-  g_free(tmpcmd);
-}
-
-/* NOTICE local command. */
-
-static void command_notice(const char *data, SILC_SERVER_REC *server,
-                          WI_ITEM_REC *item)
-{
-  GHashTable *optlist;
-  char *target, *msg;
-  char *message = NULL;
-  int target_type;
-  void *free_arg;
-  SilcBool sign;
-
-  CMD_SILC_SERVER(server);
-  if (!IS_SILC_SERVER(server) || !server->connected)
-    cmd_return_error(CMDERR_NOT_CONNECTED);
-
-  if ((item != NULL) && (!IS_SILC_CHANNEL(item) && !IS_SILC_QUERY(item)))
-    cmd_return_error(CMDERR_NOT_JOINED);
-
-  /* Now parse all arguments */
-  if (!cmd_get_params(data, &free_arg, 2 | PARAM_FLAG_OPTIONS |
-                     PARAM_FLAG_GETREST,
-                     "notice", &optlist, &target, &msg))
-    return;
-
-  if (*target == '\0' || *msg == '\0')
-    cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
-
-  if (strcmp(target, "*") == 0) {
-    /* send to active channel/query */
-    if (item == NULL)
-      cmd_param_error(CMDERR_NOT_JOINED);
-
-    target_type = IS_SILC_CHANNEL(item) ?
-           SEND_TARGET_CHANNEL : SEND_TARGET_NICK;
-    target = (char *)window_item_get_target(item);
-  } else if (g_hash_table_lookup(optlist, "channel") != NULL)
-    target_type = SEND_TARGET_CHANNEL;
-  else {
-    target_type = SEND_TARGET_NICK;
-  }
-
-  if (!silc_term_utf8()) {
-    int len = silc_utf8_encoded_len(msg, strlen(msg),
-                                   SILC_STRING_LOCALE);
-    message = silc_calloc(len + 1, sizeof(*message));
-    g_return_if_fail(message != NULL);
-    silc_utf8_encode(msg, strlen(msg), SILC_STRING_LOCALE,
-                    message, len);
-  }
-
-  if (target != NULL) {
-    if (target_type == SEND_TARGET_CHANNEL) {
-      sign = (g_hash_table_lookup(optlist, "sign") ? TRUE :
-             settings_get_bool("sign_channel_messages") ? TRUE : FALSE);
-      if (silc_send_channel(server, target, (message != NULL ? message : msg),
-                           SILC_MESSAGE_FLAG_NOTICE | SILC_MESSAGE_FLAG_UTF8 |
-                           (sign ? SILC_MESSAGE_FLAG_SIGNED : 0))) {
-       if (g_hash_table_lookup(optlist, "sign"))
-          signal_emit("message silc signed_own_notice", 3, server, msg, target);
-       else
-          signal_emit("message silc own_notice", 3, server, msg, target);
-      }
-    } else {
-      sign = (g_hash_table_lookup(optlist, "sign") ? TRUE :
-             settings_get_bool("sign_private_messages") ? TRUE : FALSE);
-      if (silc_send_msg(server, target, (message != NULL ? message : msg),
-                       (message != NULL ? strlen(message) : strlen(msg)),
-                       SILC_MESSAGE_FLAG_NOTICE | SILC_MESSAGE_FLAG_UTF8 |
-                       (sign ? SILC_MESSAGE_FLAG_SIGNED : 0))) {
-       if (g_hash_table_lookup(optlist, "sign"))
-         signal_emit("message silc signed_own_private_notice", 3,
-                         server, msg, target);
-       else
-         signal_emit("message silc own_private_notice", 3,
-                         server, msg, target);
-      }
-    }
-  }
-
-  cmd_params_free(free_arg);
-  silc_free(message);
-}
-
-/* AWAY local command.  Sends UMODE command that sets the SILC_UMODE_GONE
-   flag. */
-
-bool silc_set_away(const char *reason, SILC_SERVER_REC *server)
-{
-  bool set;
-
-  if (!IS_SILC_SERVER(server) || !server->connected)
-    return FALSE;
-
-  if (*reason == '\0') {
-    /* Remove any possible away message */
-    silc_client_set_away_message(silc_client, server->conn, NULL);
-    set = FALSE;
-
-    printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_UNSET_AWAY);
-  } else {
-    /* Set the away message */
-    silc_client_set_away_message(silc_client, server->conn, (char *)reason);
-    set = TRUE;
-
-    printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_SET_AWAY, reason);
-  }
-
-  server->usermode_away = set;
-  g_free_and_null(server->away_reason);
-  if (set)
-    server->away_reason = g_strdup((char *)reason);
-
-  signal_emit("away mode changed", 1, server);
-
-  return set;
-}
-
-static void command_away(const char *data, SILC_SERVER_REC *server,
-                        WI_ITEM_REC *item)
-{
-  CMD_SILC_SERVER(server);
-
-  if (!IS_SILC_SERVER(server) || !server->connected)
-    cmd_return_error(CMDERR_NOT_CONNECTED);
-
-  g_free_and_null(server->away_reason);
-  if ((data) && (*data != '\0'))
-    server->away_reason = g_strdup(data);
-
-  silc_command_exec(server, "UMODE",
-                   (server->away_reason != NULL) ? "+g" : "-g");
-}
-
-typedef struct {
-  SILC_SERVER_REC *server;
-  int type;                    /* 1 = msg, 2 = channel */
-  SilcBool responder;
-} *KeyInternal;
-
-/* Key agreement callback that is called after the key agreement protocol
-   has been performed. This is called also if error occured during the
-   key agreement protocol. The `key' is the allocated key material and
-   the caller is responsible of freeing it. The `key' is NULL if error
-   has occured. The application can freely use the `key' to whatever
-   purpose it needs. See lib/silcske/silcske.h for the definition of
-   the SilcSKEKeyMaterial structure. */
-
-static void keyagr_completion(SilcClient client,
-                             SilcClientConnection conn,
-                             SilcClientEntry client_entry,
-                             SilcKeyAgreementStatus status,
-                             SilcSKEKeyMaterial key,
-                             void *context)
-{
-  KeyInternal i = (KeyInternal)context;
-
-  switch(status) {
-  case SILC_KEY_AGREEMENT_OK:
-    printformat_module("fe-common/silc", i->server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT_OK, client_entry->nickname);
-
-    if (i->type == 1) {
-      /* Set the private key for this client */
-      silc_client_del_private_message_key(client, conn, client_entry);
-      silc_client_add_private_message_key_ske(client, conn, client_entry,
-                                             NULL, NULL, key);
-      printformat_module("fe-common/silc", i->server, NULL, MSGLEVEL_CRAP,
-                        SILCTXT_KEY_AGREEMENT_PRIVMSG,
-                        client_entry->nickname);
-      silc_ske_free_key_material(key);
-    }
-
-    break;
-
-  case SILC_KEY_AGREEMENT_ERROR:
-  case SILC_KEY_AGREEMENT_NO_MEMORY:
-    printformat_module("fe-common/silc", i->server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT_ERROR, client_entry->nickname);
-    break;
-
-  case SILC_KEY_AGREEMENT_FAILURE:
-    printformat_module("fe-common/silc", i->server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT_FAILURE, client_entry->nickname);
-    break;
-
-  case SILC_KEY_AGREEMENT_TIMEOUT:
-    printformat_module("fe-common/silc", i->server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT_TIMEOUT, client_entry->nickname);
-    break;
-
-  case SILC_KEY_AGREEMENT_ABORTED:
-    printformat_module("fe-common/silc", i->server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT_ABORTED, client_entry->nickname);
-    break;
-
-  case SILC_KEY_AGREEMENT_ALREADY_STARTED:
-    printformat_module("fe-common/silc", i->server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT_ALREADY_STARTED,
-                      client_entry->nickname);
-    break;
-
-  case SILC_KEY_AGREEMENT_SELF_DENIED:
-    printformat_module("fe-common/silc", i->server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT_SELF_DENIED);
-    break;
-
-  default:
-    break;
-  }
-
-  if (i)
-    silc_free(i);
-}
-
-/* Local command KEY. This command is used to set and unset private
-   keys for channels, set and unset private keys for private messages
-   with remote clients and to send key agreement requests and
-   negotiate the key agreement protocol with remote client.  The
-   key agreement is supported only to negotiate private message keys,
-   it currently cannot be used to negotiate private keys for channels,
-   as it is not convenient for that purpose. */
-
-typedef struct {
-  SILC_SERVER_REC *server;
-  char *data;
-  char *nick;
-  WI_ITEM_REC *item;
-} *KeyGetClients;
-
-/* Callback to be called after client information is resolved from the
-   server. */
-
-static void silc_client_command_key_get_clients(SilcClient client,
-                                               SilcClientConnection conn,
-                                               SilcStatus status,
-                                               SilcDList clients,
-                                               void *context)
-{
-  KeyGetClients internal = (KeyGetClients)context;
-
-  if (!clients) {
-    printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, "Unknown nick: %s",
-             internal->nick);
-    silc_free(internal->data);
-    silc_free(internal->nick);
-    silc_free(internal);
-    return;
-  }
-
-  signal_emit("command key", 3, internal->data, internal->server,
-             internal->item);
-
-  silc_free(internal->data);
-  silc_free(internal->nick);
-  silc_free(internal);
-}
-
-static void command_key(const char *data, SILC_SERVER_REC *server,
-                       WI_ITEM_REC *item)
-{
-  SilcClientConnection conn;
-  SilcClientEntry client_entry = NULL;
-  SilcDList clients;
-  SILC_CHANNEL_REC *chanrec = NULL;
-  SilcChannelEntry channel_entry = NULL;
-  char *nickname = NULL, *tmp;
-  int command = 0, port = 0, type = 0;
-  char *hostname = NULL;
-  KeyInternal internal = NULL;
-  SilcUInt32 argc = 0;
-  unsigned char **argv;
-  SilcUInt32 *argv_lens, *argv_types;
-  char *bindhost = NULL;
-  SilcChannelPrivateKey ch = NULL;
-  SilcDList ckeys;
-  SilcBool udp = FALSE;
-  int i;
-
-  CMD_SILC_SERVER(server);
-
-  if (!server || !IS_SILC_SERVER(server) || !server->connected)
-    cmd_return_error(CMDERR_NOT_CONNECTED);
-
-  conn = server->conn;
-
-  /* Now parse all arguments */
-  tmp = g_strconcat("KEY", " ", data, NULL);
-  silc_parse_command_line(tmp, &argv, &argv_lens, &argv_types, &argc, 7);
-  g_free(tmp);
-
-  if (argc < 4)
-    cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
-
-  /* Get type */
-  if (!strcasecmp(argv[1], "msg"))
-    type = 1;
-  if (!strcasecmp(argv[1], "channel"))
-    type = 2;
-
-  if (type == 0)
-    cmd_return_error(CMDERR_NOT_ENOUGH_PARAMS);
-
-  if (type == 1) {
-    if (argv[2][0] == '*') {
-      nickname = strdup("*");
-    } else {
-      /* Parse the typed nickname. */
-      silc_client_nickname_parse(silc_client, conn, argv[2], &nickname);
-      if (!nickname)
-       nickname = strdup(argv[2]);
-
-      /* Find client entry */
-      clients = silc_client_get_clients_local(silc_client, conn, argv[2],
-                                             FALSE);
-      if (!clients) {
-       KeyGetClients inter = silc_calloc(1, sizeof(*inter));
-       inter->server = server;
-       inter->data = strdup(data);
-       inter->nick = strdup(nickname);
-       inter->item = item;
-       silc_client_get_clients(silc_client, conn, nickname, NULL,
-                               silc_client_command_key_get_clients, inter);
-       goto out;
-      }
-
-      client_entry = silc_dlist_get(clients);
-      silc_client_list_free(silc_client, conn, clients);
-    }
-  }
-
-  if (type == 2) {
-    /* Get channel entry */
-    char *name;
-
-    if (argv[2][0] == '*') {
-      if (!conn->current_channel)
-       cmd_return_error(CMDERR_NOT_JOINED);
-      name = conn->current_channel->channel_name;
-    } else {
-      name = argv[2];
-    }
-
-    chanrec = silc_channel_find(server, name);
-    if (chanrec == NULL)
-      cmd_return_error(CMDERR_CHAN_NOT_FOUND);
-    channel_entry = chanrec->entry;
-  }
-
-  /* Set command */
-  if (!strcasecmp(argv[3], "set")) {
-    command = 1;
-
-    if (argc >= 5) {
-      char *cipher = NULL, *hmac = NULL;
-
-      if (argc >= 6)
-       cipher = argv[5];
-      if (argc >= 7)
-       hmac = argv[6];
-
-      if (type == 1 && client_entry) {
-       /* Set private message key */
-       silc_client_del_private_message_key(silc_client, conn, client_entry);
-       silc_client_add_private_message_key(silc_client, conn, client_entry,
-                                           cipher, hmac,
-                                           argv[4], argv_lens[4]);
-      } else if (type == 2) {
-       /* Set private channel key */
-       if (!(channel_entry->mode & SILC_CHANNEL_MODE_PRIVKEY)) {
-         printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                            SILCTXT_CH_PRIVATE_KEY_NOMODE,
-                            channel_entry->channel_name);
-         goto out;
-       }
-
-       if (!silc_client_add_channel_private_key(silc_client, conn,
-                                                channel_entry, NULL,
-                                                cipher, hmac,
-                                                argv[4],
-                                                argv_lens[4], NULL)) {
-         printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                            SILCTXT_CH_PRIVATE_KEY_ERROR,
-                            channel_entry->channel_name);
-         goto out;
-       }
-
-       printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                          SILCTXT_CH_PRIVATE_KEY_ADD,
-                          channel_entry->channel_name);
-      }
-    }
-
-    goto out;
-  }
-
-  /* Unset command */
-  if (!strcasecmp(argv[3], "unset")) {
-    command = 2;
-
-    if (type == 1 && client_entry) {
-      /* Unset private message key */
-      silc_client_del_private_message_key(silc_client, conn, client_entry);
-    } else if (type == 2) {
-      /* Unset channel key(s) */
-      int number;
-
-      if (argc == 4)
-       silc_client_del_channel_private_keys(silc_client, conn,
-                                            channel_entry);
-
-      if (argc > 4) {
-       number = atoi(argv[4]);
-       ckeys = silc_client_list_channel_private_keys(silc_client, conn,
-                                                     channel_entry);
-       if (!ckeys)
-         goto out;
-
-       silc_dlist_start(ckeys);
-       if (!number || number > silc_dlist_count(ckeys)) {
-         silc_dlist_uninit(ckeys);
-         goto out;
-       }
-
-       for (i = 0; i < number; i++)
-         ch = silc_dlist_get(ckeys);
-       if (!ch)
-         goto out;
-
-       silc_client_del_channel_private_key(silc_client, conn, channel_entry,
-                                           ch);
-       silc_dlist_uninit(ckeys);
-      }
-
-      goto out;
-    }
-  }
-
-  /* List command */
-  if (!strcasecmp(argv[3], "list")) {
-    command = 3;
-
-    if (type == 1) {
-      SilcPrivateMessageKeys keys;
-      SilcUInt32 keys_count;
-      int k, i, len;
-      char buf[1024];
-
-      keys = silc_client_list_private_message_keys(silc_client, conn,
-                                                  &keys_count);
-      if (!keys)
-       goto out;
-
-      /* list the private message key(s) */
-      if (nickname[0] == '*') {
-       printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                          SILCTXT_PRIVATE_KEY_LIST);
-       for (k = 0; k < keys_count; k++) {
-         memset(buf, 0, sizeof(buf));
-         strncat(buf, "  ", 2);
-         len = strlen(keys[k].client_entry->nickname);
-         strncat(buf, keys[k].client_entry->nickname, len > 30 ? 30 : len);
-         if (len < 30)
-           for (i = 0; i < 30 - len; i++)
-             strcat(buf, " ");
-         strcat(buf, " ");
-
-         len = strlen(keys[k].cipher);
-         strncat(buf, keys[k].cipher, len > 14 ? 14 : len);
-         if (len < 14)
-           for (i = 0; i < 14 - len; i++)
-             strcat(buf, " ");
-         strcat(buf, " ");
-
-         if (keys[k].key)
-           strcat(buf, "<hidden>");
-         else
-           strcat(buf, "*generated*");
-
-         silc_say(silc_client, conn, SILC_CLIENT_MESSAGE_INFO, "%s", buf);
-       }
-      } else {
-       printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                          SILCTXT_PRIVATE_KEY_LIST_NICK,
-                          client_entry->nickname);
-       for (k = 0; k < keys_count; k++) {
-         if (keys[k].client_entry != client_entry)
-           continue;
-
-         memset(buf, 0, sizeof(buf));
-         strncat(buf, "  ", 2);
-         len = strlen(keys[k].client_entry->nickname);
-         strncat(buf, keys[k].client_entry->nickname, len > 30 ? 30 : len);
-         if (len < 30)
-           for (i = 0; i < 30 - len; i++)
-             strcat(buf, " ");
-         strcat(buf, " ");
-
-         len = strlen(keys[k].cipher);
-         strncat(buf, keys[k].cipher, len > 14 ? 14 : len);
-         if (len < 14)
-           for (i = 0; i < 14 - len; i++)
-             strcat(buf, " ");
-         strcat(buf, " ");
-
-         if (keys[k].key)
-           strcat(buf, "<hidden>");
-         else
-           strcat(buf, "*generated*");
-
-         silc_say(silc_client, conn, SILC_CLIENT_MESSAGE_INFO, "%s", buf);
-       }
-      }
-
-      silc_client_free_private_message_keys(keys, keys_count);
-
-    } else if (type == 2) {
-      int len;
-      char buf[1024];
-
-      ckeys = silc_client_list_channel_private_keys(silc_client, conn,
-                                                   channel_entry);
-
-      printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                        SILCTXT_CH_PRIVATE_KEY_LIST,
-                        channel_entry->channel_name);
-
-      if (!ckeys)
-       goto out;
-
-      silc_dlist_start(ckeys);
-      while ((ch = silc_dlist_get(ckeys))) {
-       memset(buf, 0, sizeof(buf));
-       strncat(buf, "  ", 2);
-
-       len = strlen(silc_cipher_get_name(ch->send_key));
-       strncat(buf, silc_cipher_get_name(ch->send_key),
-               len > 16 ? 16 : len);
-       if (len < 16)
-         for (i = 0; i < 16 - len; i++)
-           strcat(buf, " ");
-       strcat(buf, " ");
-
-       len = strlen(silc_hmac_get_name(ch->hmac));
-       strncat(buf, silc_hmac_get_name(ch->hmac), len > 16 ? 16 : len);
-       if (len < 16)
-         for (i = 0; i < 16 - len; i++)
-           strcat(buf, " ");
-       strcat(buf, " ");
-
-       strcat(buf, "<hidden>");
-
-       silc_say(silc_client, conn, SILC_CLIENT_MESSAGE_INFO, "%s", buf);
-      }
-
-      silc_dlist_uninit(ckeys);
-    }
-
-    goto out;
-  }
-
-  /* Send command is used to send key agreement */
-  if (!strcasecmp(argv[3], "agreement")) {
-    command = 4;
-
-    if (argc >= 5)
-      hostname = argv[4];
-    if (argc >= 6) {
-      if (!strcasecmp(argv[5], "UDP"))
-       udp = TRUE;
-      else
-       port = atoi(argv[5]);
-    }
-    if (argc >= 7)
-      udp = TRUE;
-
-    internal = silc_calloc(1, sizeof(*internal));
-    internal->type = type;
-    internal->server = server;
-
-    if (!hostname) {
-      if (settings_get_bool("use_auto_addr")) {
-        hostname = (char *)settings_get_str("auto_public_ip");
-
-       /* If the hostname isn't set, treat this case as if auto_public_ip
-          wasn't set. */
-        if ((hostname) && (*hostname == '\0')) {
-           hostname = NULL;
-        } else {
-          bindhost = (char *)settings_get_str("auto_bind_ip");
-
-         /* if the bind_ip isn't set, but the public_ip IS, then assume then
-            public_ip is the same value as the bind_ip. */
-          if ((bindhost) && (*bindhost == '\0'))
-            bindhost = hostname;
-         port = settings_get_int("auto_bind_port");
-        }
-      }  /* if use_auto_addr */
-    }
-  }
-
-  /* Start command is used to start key agreement (after receiving the
-     key_agreement client operation). */
-  if (!strcasecmp(argv[3], "negotiate")) {
-    command = 5;
-
-    if (argc >= 5)
-      hostname = argv[4];
-    if (argc >= 6) {
-      if (!strcasecmp(argv[5], "UDP"))
-       udp = TRUE;
-      else
-       port = atoi(argv[5]);
-    }
-    if (argc >= 7)
-      udp = TRUE;
-
-    internal = silc_calloc(1, sizeof(*internal));
-    internal->type = type;
-    internal->server = server;
-  }
-
-  /* Change current channel private key */
-  if (!strcasecmp(argv[3], "change")) {
-    command = 6;
-    if (type == 2) {
-      /* Unset channel key(s) */
-      int number;
-
-      ckeys = silc_client_list_channel_private_keys(silc_client, conn,
-                                                   channel_entry);
-      if (!ckeys)
-       goto out;
-
-      silc_dlist_start(ckeys);
-      if (argc == 4) {
-       chanrec->cur_key++;
-       if (chanrec->cur_key >= silc_dlist_count(ckeys))
-         chanrec->cur_key = 0;
-      }
-
-      if (argc > 4) {
-       number = atoi(argv[4]);
-       if (!number || number > silc_dlist_count(ckeys))
-         chanrec->cur_key = 0;
-       else
-         chanrec->cur_key = number - 1;
-      }
-
-      for (i = 0; i < chanrec->cur_key; i++)
-       ch = silc_dlist_get(ckeys);
-      if (!ch)
-       goto out;
-
-      /* Set the current channel private key */
-      silc_client_current_channel_private_key(silc_client, conn,
-                                             channel_entry, ch);
-      printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                        SILCTXT_CH_PRIVATE_KEY_CHANGE, i + 1,
-                        channel_entry->channel_name);
-
-      silc_dlist_uninit(ckeys);
-      goto out;
-    }
-  }
-
-  if (command == 0) {
-    silc_say(silc_client, conn, SILC_CLIENT_MESSAGE_INFO,
-            "Usage: /KEY msg|channel <nickname|channel> "
-            "set|unset|agreement|negotiate [<arguments>]");
-    goto out;
-  }
-
-  if (command == 4 && client_entry) {
-    SilcClientConnectionParams params;
-
-    printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT, argv[2]);
-    internal->responder = TRUE;
-
-    memset(&params, 0, sizeof(params));
-    params.local_ip = hostname;
-    params.bind_ip = bindhost;
-    params.local_port = port;
-    params.udp = udp;
-    params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
-
-    silc_client_send_key_agreement(
-                          silc_client, conn, client_entry, &params,
-                          irssi_pubkey, irssi_privkey,
-                          keyagr_completion, internal);
-    if (!hostname)
-      silc_free(internal);
-    goto out;
-  }
-
-  if (command == 5 && client_entry && hostname) {
-    SilcClientConnectionParams params;
-
-    printformat_module("fe-common/silc", server, NULL, MSGLEVEL_CRAP,
-                      SILCTXT_KEY_AGREEMENT_NEGOTIATE, argv[2]);
-    internal->responder = FALSE;
-
-    memset(&params, 0, sizeof(params));
-    if (udp) {
-      if (settings_get_bool("use_auto_addr")) {
-       params.local_ip = (char *)settings_get_str("auto_public_ip");
-       if ((params.local_ip) && (*params.local_ip == '\0')) {
-         params.local_ip = silc_net_localip();
-       } else {
-         params.bind_ip = (char *)settings_get_str("auto_bind_ip");
-         if ((params.bind_ip) && (*params.bind_ip == '\0'))
-           params.bind_ip = NULL;
-         params.local_port = settings_get_int("auto_bind_port");
-       }
-      }
-      if (!params.local_ip)
-       params.local_ip = silc_net_localip();
-    }
-    params.udp = udp;
-    params.timeout_secs = settings_get_int("key_exchange_timeout_secs");
-
-    silc_client_perform_key_agreement(silc_client, conn, client_entry, &params,
-                                     irssi_pubkey, irssi_privkey,
-                                     hostname, port, keyagr_completion,
-                                     internal);
-    goto out;
-  }
-
- out:
-  silc_free(nickname);
-  return;
-}
-
-void silc_list_key(const char *pub_filename, int verbose)
-{
-  SilcPublicKey public_key;
-  SilcPublicKeyIdentifier ident;
-  SilcSILCPublicKey silc_pubkey;
-  char *fingerprint, *babbleprint;
-  unsigned char *pk;
-  SilcUInt32 pk_len;
-  SilcUInt32 key_len = 0;
-  int is_server_key = (strstr(pub_filename, "serverkeys") != NULL);
-
-  if (!silc_pkcs_load_public_key((char *)pub_filename, SILC_PKCS_ANY,
-                                &public_key)) {
-    printformat_module("fe-common/silc", NULL, NULL,
-                      MSGLEVEL_CRAP, SILCTXT_LISTKEY_LOADPUB,
-                      pub_filename);
-    return;
-  }
-
-  /* Print only SILC public keys */
-  if (silc_pkcs_get_type(public_key) != SILC_PKCS_SILC) {
-    printformat_module("fe-common/silc", NULL, NULL,
-                      MSGLEVEL_CRAP, SILCTXT_LISTKEY_LOADPUB,
-                      pub_filename);
-    return;
-  }
-
-  silc_pubkey = silc_pkcs_public_key_get_pkcs(SILC_PKCS_SILC, public_key);
-  ident = &silc_pubkey->identifier;
-
-  pk = silc_pkcs_public_key_encode(NULL, public_key, &pk_len);
-  if (!pk)
-    return;
-  fingerprint = silc_hash_fingerprint(NULL, pk, pk_len);
-  babbleprint = silc_hash_babbleprint(NULL, pk, pk_len);
-  key_len = silc_pkcs_public_key_get_len(public_key);
-
-  printformat_module("fe-common/silc", NULL, NULL,
-                     MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_FILE,
-                     pub_filename);
-
-  if (verbose)
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_ALG,
-                      silc_pkcs_get_name(public_key));
-  if (key_len && verbose)
-    printformat_module("fe-common/silc", NULL, NULL,
-                        MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_BITS,
-                        (unsigned int)key_len);
-  if (ident->version && verbose)
-    printformat_module("fe-common/silc", NULL, NULL,
-                        MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_VER,
-                        ident->version);
-  if (ident->realname && (!is_server_key || verbose))
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_RN,
-                       ident->realname);
-  if (ident->username && verbose)
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_UN,
-                       ident->username);
-  if (ident->host && (is_server_key || verbose))
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_HN,
-                       ident->host);
-  if (ident->email && verbose)
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_EMAIL,
-                       ident->email);
-  if (ident->org && verbose)
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_ORG,
-                       ident->org);
-  if (ident->country && verbose)
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_C,
-                       ident->country);
-
-  if (verbose) {
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_FINGER,
-                       fingerprint);
-    printformat_module("fe-common/silc", NULL, NULL,
-                       MSGLEVEL_CRAP, SILCTXT_LISTKEY_PUB_BABL,
-                       babbleprint);
-  }
-
-  silc_free(fingerprint);
-  silc_free(babbleprint);
-  silc_free(pk);
-  silc_pkcs_public_key_free(public_key);
-}
-
-void silc_list_keys_in_dir(const char *dirname, const char *where)
-{
-  DIR *dir;
-  struct dirent *entry;
-
-  dir = opendir(dirname);
-
-  if (dir == NULL)
-    cmd_return_error(CMDERR_ERRNO);
-
-  printformat_module("fe-common/silc", NULL, NULL,
-                     MSGLEVEL_CRAP, SILCTXT_LISTKEY_LIST,
-                     where);
-
-  rewinddir(dir);
-
-  while ((entry = readdir(dir)) != NULL) {
-    /* try to open everything that isn't a directory */
-    struct stat buf;
-    char filename[256];
-
-    snprintf(filename, sizeof(filename) - 1, "%s/%s", dirname, entry->d_name);
-    if (!stat(filename, &buf) && S_ISREG(buf.st_mode))
-      silc_list_key(filename, FALSE);
-  }
-
-  closedir(dir);
-}
-
-void silc_list_file(const char *filename)
-{
-
-  char path[256];
-  struct stat buf;
-
-  snprintf(path, sizeof(path) - 1, "%s", filename);
-  if (!stat(path, &buf) && S_ISREG(buf.st_mode))
-    goto list_key;
-
-  snprintf(path, sizeof(path) - 1, "%s/%s", get_irssi_dir(), filename);
-  if (!stat(path, &buf) && S_ISREG(buf.st_mode))
-    goto list_key;
-
-  snprintf(path,sizeof(path) - 1, "%s/clientkeys/%s", get_irssi_dir(),
-          filename);
-  if (!stat(path, &buf) && S_ISREG(buf.st_mode))
-    goto list_key;
-
-  snprintf(path,sizeof(path) - 1, "%s/serverkeys/%s", get_irssi_dir(),
-          filename);
-  if (!stat(path, &buf) && S_ISREG(buf.st_mode))
-    goto list_key;
-
-  return;
-
-list_key:
-
-  silc_list_key(path, TRUE);
-}
-
-/* Lists locally saved client and server public keys. */
-static void command_listkeys(const char *data, SILC_SERVER_REC *server,
-                            WI_ITEM_REC *item)
-{
-  GHashTable *optlist;
-  char *filename;
-  void *free_arg;
-  char dirname[256];
-
-  if (!cmd_get_params(data, &free_arg, 1 | PARAM_FLAG_OPTIONS |
-                     PARAM_FLAG_GETREST, "listkeys", &optlist,
-                     &filename))
-    return;
-
-  if (*filename != '\0') {
-
-    silc_list_file(filename);
-
-  } else {
-    int clients, servers;
-
-    clients = (g_hash_table_lookup(optlist, "clients") != NULL);
-    servers = (g_hash_table_lookup(optlist, "servers") != NULL);
-
-    if (!(clients || servers))
-      clients = servers = 1;
-
-    if (servers) {
-      snprintf(dirname, sizeof(dirname) - 1, "%s/serverkeys", get_irssi_dir());
-      silc_list_keys_in_dir(dirname, "server");
-    }
-
-    if (clients) {
-      snprintf(dirname, sizeof(dirname) - 1, "%s/clientkeys", get_irssi_dir());
-      silc_list_keys_in_dir(dirname, "client");
-    }
-  }
-  cmd_params_free(free_arg);
-}
-
-void silc_channels_init(void)
-{
-  signal_add("channel destroyed", (SIGNAL_FUNC) sig_channel_destroyed);
-  signal_add("server connected", (SIGNAL_FUNC) sig_connected);
-  signal_add("server quit", (SIGNAL_FUNC) sig_server_quit);
-  signal_add("mime", (SIGNAL_FUNC) sig_mime);
-
-  command_bind_silc("part", MODULE_NAME, (SIGNAL_FUNC) command_part);
-  command_bind_silc("me", MODULE_NAME, (SIGNAL_FUNC) command_me);
-  command_bind_silc("action", MODULE_NAME, (SIGNAL_FUNC) command_action);
-  command_bind_silc("notice", MODULE_NAME, (SIGNAL_FUNC) command_notice);
-  command_bind_silc("away", MODULE_NAME, (SIGNAL_FUNC) command_away);
-  command_bind_silc("key", MODULE_NAME, (SIGNAL_FUNC) command_key);
-  command_bind("listkeys", MODULE_NAME, (SIGNAL_FUNC) command_listkeys);
-
-  command_set_options("listkeys", "clients servers");
-  command_set_options("action", "sign channel");
-  command_set_options("notice", "sign channel");
-
-  silc_nicklist_init();
-}
-
-void silc_channels_deinit(void)
-{
-  signal_remove("channel destroyed", (SIGNAL_FUNC) sig_channel_destroyed);
-  signal_remove("server connected", (SIGNAL_FUNC) sig_connected);
-  signal_remove("server quit", (SIGNAL_FUNC) sig_server_quit);
-  signal_remove("mime", (SIGNAL_FUNC) sig_mime);
-
-  command_unbind("part", (SIGNAL_FUNC) command_part);
-  command_unbind("me", (SIGNAL_FUNC) command_me);
-  command_unbind("action", (SIGNAL_FUNC) command_action);
-  command_unbind("notice", (SIGNAL_FUNC) command_notice);
-  command_unbind("away", (SIGNAL_FUNC) command_away);
-  command_unbind("key", (SIGNAL_FUNC) command_key);
-  command_unbind("listkeys", (SIGNAL_FUNC) command_listkeys);
-
-  silc_nicklist_deinit();
-}