weechat/src/plugins/irc/irc-command.c

/*
 * irc-command.c - IRC commands
 *
 * Copyright (C) 2003-2015 Sébastien Helleu <flashcode@flashtux.org>
 * Copyright (C) 2006 Emmanuel Bouthenot <kolter@openics.org>
 *
 * This file is part of WeeChat, the extensible chat client.
 *
 * WeeChat 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 3 of the License, or
 * (at your option) any later version.
 *
 * WeeChat 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 WeeChat.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <sys/time.h>
#include <time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#include "../weechat-plugin.h"
#include "irc.h"
#include "irc-command.h"
#include "irc-buffer.h"
#include "irc-channel.h"
#include "irc-color.h"
#include "irc-config.h"
#include "irc-ignore.h"
#include "irc-input.h"
#include "irc-message.h"
#include "irc-msgbuffer.h"
#include "irc-nick.h"
#include "irc-notify.h"
#include "irc-protocol.h"
#include "irc-raw.h"
#include "irc-sasl.h"
#include "irc-server.h"


/*
 * Sends mode change for many nicks on a channel.
 *
 * Argument "set" is "+" or "-", mode can be "o", "h", "v", or any other mode
 * supported by server.
 *
 * Many messages can be sent if the number of nicks is greater than the server
 * limit (number of modes allowed in a single message). In this case, the first
 * message is sent with high priority, and subsequent messages are sent with low
 * priority.
 */

void
irc_command_mode_nicks (struct t_irc_server *server,
                        struct t_irc_channel *channel,
                        const char *command,
                        const char *set, const char *mode,
                        int argc, char **argv)
{
    int i, arg_yes, max_modes, modes_added, msg_priority, prefix_found;
    long number;
    char *error, prefix, modes[128+1], nicks[1024];
    const char *ptr_modes;
    struct t_irc_nick *ptr_nick;
    struct t_hashtable *nicks_sent;

    if (argc < 2)
        return;

    arg_yes = 0;
    if ((argc > 2) && (strcmp (argv[argc - 1], "-yes") == 0))
    {
        argc--;
        arg_yes = 1;
    }

    if (!arg_yes)
    {
        for (i = 1; i < argc; i++)
        {
            if (strcmp (argv[i], "*") == 0)
            {
                weechat_printf (
                    NULL,
                    _("%s%s: \"-yes\" argument is required for nick \"*\" "
                      "(security reason), see /help %s"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, command);
                return;
            }
        }
    }

    /* default is 4 modes max (if server did not send the info) */
    max_modes = 4;

    /*
     * look for the max modes supported in one command by the server
     * (in isupport value, with the format: "MODES=4")
     */
    ptr_modes = irc_server_get_isupport_value (server, "MODES");
    if (ptr_modes)
    {
        error = NULL;
        number = strtol (ptr_modes, &error, 10);
        if (error && !error[0])
        {
            max_modes = number;
            if (max_modes < 1)
                max_modes = 1;
            if (max_modes > 128)
                max_modes = 128;
        }
    }

    /* get prefix for the mode (example: prefix == '@' for mode 'o') */
    prefix = irc_server_get_prefix_char_for_mode (server, mode[0]);

    /*
     * first message has high priority and subsequent messages have low priority
     * (so for example in case of "/op *" sent as multiple messages, the user
     * can still send some messages which will have higher priority than the
     * "MODE" messages we are sending now)
     */
    msg_priority = IRC_SERVER_SEND_OUTQ_PRIO_HIGH;

    modes_added = 0;
    modes[0] = '\0';
    nicks[0] = '\0';

    nicks_sent = weechat_hashtable_new (128,
                                        WEECHAT_HASHTABLE_STRING,
                                        WEECHAT_HASHTABLE_STRING,
                                        NULL,
                                        NULL);
    if (!nicks_sent)
        return;

    for (ptr_nick = channel->nicks; ptr_nick; ptr_nick = ptr_nick->next_nick)
    {
        /* if nick was already sent, ignore it */
        if (weechat_hashtable_has_key (nicks_sent, ptr_nick->name))
            continue;

        for (i = 1; i < argc; i++)
        {
            if (weechat_string_match (ptr_nick->name, argv[i], 0))
            {
                /*
                 * self nick is excluded if both conditions are true:
                 * - set+mode is "-o" or "-h" (commands /deop, /dehalfop)
                 * - one wildcard is used in argument
                 *   (for example: "/deop *" or "/deop fl*")
                 */
                if (set[0] == '-'
                    && (mode[0] == 'o' || mode[0] == 'h')
                    && argv[i][0]
                    && strchr (argv[i], '*')
                    && (strcmp (server->nick, ptr_nick->name) == 0))
                {
                    continue;
                }

                /*
                 * check if the nick mode is already OK, according to
                 * set/mode asked: if already OK, then the nick is ignored
                 */
                if (prefix != ' ')
                {
                    prefix_found = (strchr (ptr_nick->prefixes, prefix) != NULL);
                    if (((set[0] == '+') && prefix_found)
                        || ((set[0] == '-') && !prefix_found))
                    {
                        /*
                         * mode +X and nick has already +X or mode -X and nick
                         * does not have +X
                         */
                        continue;
                    }
                }

                /*
                 * if we reached the max number of modes allowed, send the MODE
                 * command now and flush the modes/nicks strings
                 */
                if (modes_added == max_modes)
                {
                    irc_server_sendf (server, msg_priority, NULL,
                                      "MODE %s %s%s %s",
                                      channel->name, set, modes, nicks);
                    modes[0] = '\0';
                    nicks[0] = '\0';
                    modes_added = 0;
                    /* subsequent messages will have low priority */
                    msg_priority = IRC_SERVER_SEND_OUTQ_PRIO_LOW;
                }

                /* add one mode letter (after +/-) and add the nick in nicks */
                if (strlen (nicks) + 1 + strlen (ptr_nick->name) + 1 < sizeof (nicks))
                {
                    strcat (modes, mode);
                    if (nicks[0])
                        strcat (nicks, " ");
                    strcat (nicks, ptr_nick->name);
                    modes_added++;
                    weechat_hashtable_set (nicks_sent, ptr_nick->name, NULL);
                    /*
                     * nick just added, ignore other arguments that would add
                     * the same nick
                     */
                    break;
                }
            }
        }
    }

    /* send a final MODE command if some nicks are remaining */
    if (modes[0] && nicks[0])
    {
        irc_server_sendf (server, msg_priority, NULL,
                          "MODE %s %s%s %s",
                          channel->name, set, modes, nicks);
    }

    weechat_hashtable_free (nicks_sent);
}

/*
 * Callback for command "/admin": finds information about the administrator of
 * the server.
 */

int
irc_command_admin (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("admin", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "ADMIN %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "ADMIN");
    }

    return WEECHAT_RC_OK;
}

/*
 * Executes a command on all channels (or queries).
 *
 * If server is NULL, executes command on all channels of all connected servers.
 * Special variables $server/$channel/$nick are replaced in command.
 */

void
irc_command_exec_all_channels (struct t_irc_server *server,
                               int channel_type,
                               const char *exclude_channels,
                               const char *command)
{
    struct t_irc_server *ptr_server, *next_server;
    struct t_irc_channel *ptr_channel, *next_channel;
    char **channels, *str_command, *cmd_vars_replaced;
    int num_channels, length, excluded, i;

    if (!command || !command[0])
        return;

    if (!weechat_string_is_command_char (command))
    {
        length = 1 + strlen (command) + 1;
        str_command = malloc (length);
        snprintf (str_command, length, "/%s", command);
    }
    else
        str_command = strdup (command);

    if (!str_command)
        return;

    channels = (exclude_channels && exclude_channels[0]) ?
        weechat_string_split (exclude_channels, ",", 0, 0, &num_channels) : NULL;

    ptr_server = irc_servers;
    while (ptr_server)
    {
        next_server = ptr_server->next_server;

        if (!server || (ptr_server == server))
        {
            if (ptr_server->is_connected)
            {
                ptr_channel = ptr_server->channels;
                while (ptr_channel)
                {
                    next_channel = ptr_channel->next_channel;

                    if (ptr_channel->type == channel_type)
                    {
                        excluded = 0;
                        if (channels)
                        {
                            for (i = 0; i < num_channels; i++)
                            {
                                if (weechat_string_match (ptr_channel->name,
                                                          channels[i], 0))
                                {
                                    excluded = 1;
                                    break;
                                }
                            }
                        }
                        if (!excluded)
                        {
                            cmd_vars_replaced = irc_message_replace_vars (
                                ptr_server, ptr_channel->name, str_command);
                            weechat_command (ptr_channel->buffer,
                                             (cmd_vars_replaced) ?
                                             cmd_vars_replaced : str_command);
                            if (cmd_vars_replaced)
                                free (cmd_vars_replaced);
                        }
                    }

                    ptr_channel = next_channel;
                }
            }
        }

        ptr_server = next_server;
    }

    free (str_command);
    if (channels)
        weechat_string_free_split (channels);
}

/*
 * Callback for command "/allchan": executes a command on all channels of all
 * connected servers.
 */

int
irc_command_allchan (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    int i, current_server;
    const char *ptr_exclude_channels, *ptr_command;

    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    current_server = 0;
    ptr_exclude_channels = NULL;
    ptr_command = argv_eol[1];
    for (i = 1; i < argc; i++)
    {
        if (weechat_strcasecmp (argv[i], "-current") == 0)
        {
            current_server = 1;
            ptr_command = argv_eol[i + 1];
        }
        else if (weechat_strncasecmp (argv[i], "-exclude=", 9) == 0)
        {
            ptr_exclude_channels = argv[i] + 9;
            ptr_command = argv_eol[i + 1];
        }
        else
            break;
    }

    if (ptr_command && ptr_command[0])
    {
        weechat_buffer_set (NULL, "hotlist", "-");
        irc_command_exec_all_channels ((current_server) ? ptr_server : NULL,
                                       IRC_CHANNEL_TYPE_CHANNEL,
                                       ptr_exclude_channels,
                                       ptr_command);
        weechat_buffer_set (NULL, "hotlist", "+");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/allpv": executes a command on all privates of all
 * connected servers.
 */

int
irc_command_allpv (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    int i, current_server;
    const char *ptr_exclude_channels, *ptr_command;

    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    current_server = 0;
    ptr_exclude_channels = NULL;
    ptr_command = argv_eol[1];
    for (i = 1; i < argc; i++)
    {
        if (weechat_strcasecmp (argv[i], "-current") == 0)
        {
            current_server = 1;
            ptr_command = argv_eol[i + 1];
        }
        else if (weechat_strncasecmp (argv[i], "-exclude=", 9) == 0)
        {
            ptr_exclude_channels = argv[i] + 9;
            ptr_command = argv_eol[i + 1];
        }
        else
            break;
    }

    if (ptr_command && ptr_command[0])
    {
        weechat_buffer_set (NULL, "hotlist", "-");
        irc_command_exec_all_channels ((current_server) ? ptr_server : NULL,
                                       IRC_CHANNEL_TYPE_PRIVATE,
                                       ptr_exclude_channels,
                                       ptr_command);
        weechat_buffer_set (NULL, "hotlist", "+");
    }

    return WEECHAT_RC_OK;
}

/*
 * Executes a command on all connected channels.
 *
 * Special variables $server/$channel/$nick are replaced in command.
 */

void
irc_command_exec_all_servers (const char *exclude_servers, const char *command)
{
    struct t_irc_server *ptr_server, *next_server;
    char **servers, *str_command, *cmd_vars_replaced;
    int num_servers, length, excluded, i;

    if (!command || !command[0])
        return;

    if (!weechat_string_is_command_char (command))
    {
        length = 1 + strlen (command) + 1;
        str_command = malloc (length);
        snprintf (str_command, length, "/%s", command);
    }
    else
        str_command = strdup (command);

    if (!str_command)
        return;

    servers = (exclude_servers && exclude_servers[0]) ?
        weechat_string_split (exclude_servers, ",", 0, 0, &num_servers) : NULL;

    ptr_server = irc_servers;
    while (ptr_server)
    {
        next_server = ptr_server->next_server;

        if (ptr_server->is_connected)
        {
            excluded = 0;
            if (servers)
            {
                for (i = 0; i < num_servers; i++)
                {
                    if (weechat_string_match (ptr_server->name,
                                              servers[i], 0))
                    {
                        excluded = 1;
                        break;
                    }
                }
            }
            if (!excluded)
            {
                cmd_vars_replaced = irc_message_replace_vars (ptr_server,
                                                              NULL,
                                                              str_command);
                weechat_command (ptr_server->buffer,
                                 (cmd_vars_replaced) ?
                                 cmd_vars_replaced : str_command);
                if (cmd_vars_replaced)
                    free (cmd_vars_replaced);
            }
        }

        ptr_server = next_server;
    }

    free (str_command);
    if (servers)
        weechat_string_free_split (servers);
}

/*
 * Callback for command "/allserv": executes a command on all connected servers.
 */

int
irc_command_allserv (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    int i;
    const char *ptr_exclude_servers, *ptr_command;

    /* make C compiler happy */
    (void) data;
    (void) buffer;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    ptr_exclude_servers = NULL;
    ptr_command = argv_eol[1];
    for (i = 1; i < argc; i++)
    {
        if (weechat_strncasecmp (argv[i], "-exclude=", 9) == 0)
        {
            ptr_exclude_servers = argv[i] + 9;
            ptr_command = argv_eol[i + 1];
        }
        else
            break;
    }

    if (ptr_command && ptr_command[0])
    {
        weechat_buffer_set (NULL, "hotlist", "-");
        irc_command_exec_all_servers (ptr_exclude_servers, ptr_command);
        weechat_buffer_set (NULL, "hotlist", "+");
    }

    return WEECHAT_RC_OK;
}

/*
 * Displays a ctcp action on a channel.
 */

void
irc_command_me_channel_display (struct t_irc_server *server,
                                struct t_irc_channel *channel,
                                const char *arguments)
{
    char *string;
    struct t_irc_nick *ptr_nick;

    string = (arguments && arguments[0]) ?
        irc_color_decode (arguments,
                          weechat_config_boolean (irc_config_network_colors_send)) : NULL;
    ptr_nick = irc_nick_search (server, channel, server->nick);
    weechat_printf_tags (
        channel->buffer,
        irc_protocol_tags ("privmsg", "irc_action,notify_none,no_highlight",
                           server->nick, NULL),
        "%s%s%s%s%s%s%s",
        weechat_prefix ("action"),
        irc_nick_mode_for_display (server, ptr_nick, 0),
        IRC_COLOR_CHAT_NICK_SELF,
        server->nick,
        (string) ? IRC_COLOR_RESET : "",
        (string) ? " " : "",
        (string) ? string : "");
    if (string)
        free (string);
}

/*
 * Sends a ctcp action to a channel.
 */

void
irc_command_me_channel (struct t_irc_server *server,
                        struct t_irc_channel *channel,
                        const char *arguments)
{
    struct t_hashtable *hashtable;
    int number;
    char hash_key[32];
    const char *str_args;

    hashtable = irc_server_sendf (
        server,
        IRC_SERVER_SEND_OUTQ_PRIO_HIGH | IRC_SERVER_SEND_RETURN_HASHTABLE,
        NULL,
        "PRIVMSG %s :\01ACTION %s\01",
        channel->name,
        (arguments && arguments[0]) ? arguments : "");
    if (hashtable)
    {
        number = 1;
        while (1)
        {
            snprintf (hash_key, sizeof (hash_key), "args%d", number);
            str_args = weechat_hashtable_get (hashtable, hash_key);
            if (!str_args)
                break;
            irc_command_me_channel_display (server, channel, str_args);
            number++;
        }
        weechat_hashtable_free (hashtable);
    }
}

/*
 * Sends a ctcp action to all channels of a server.
 */

void
irc_command_me_all_channels (struct t_irc_server *server, const char *arguments)
{
    struct t_irc_channel *ptr_channel;

    for (ptr_channel = server->channels; ptr_channel;
         ptr_channel = ptr_channel->next_channel)
    {
        if (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL)
            irc_command_me_channel (server, ptr_channel, arguments);
    }
}

/*
 * Displays away on all channels of all servers.
 */

void
irc_command_display_away (struct t_irc_server *server, const char *string1,
                          const char *string2)
{
    struct t_irc_channel *ptr_channel;

    for (ptr_channel = server->channels; ptr_channel;
         ptr_channel = ptr_channel->next_channel)
    {
        if ((ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL)
            || (ptr_channel->type == IRC_CHANNEL_TYPE_PRIVATE))
        {
            weechat_printf_tags (ptr_channel->buffer,
                                 "away_info",
                                 "%s[%s%s%s %s: %s%s]",
                                 IRC_COLOR_CHAT_DELIMITERS,
                                 IRC_COLOR_CHAT_NICK_SELF,
                                 server->nick,
                                 IRC_COLOR_RESET,
                                 string1,
                                 string2,
                                 IRC_COLOR_CHAT_DELIMITERS);
        }
    }
}

/*
 * Toggles away status for one server.
 */

void
irc_command_away_server (struct t_irc_server *server, const char *arguments,
                         int reset_unread_marker)
{
    char *string, buffer[4096];
    time_t time_now, elapsed;
    struct t_irc_channel *ptr_channel;

    if (!server)
        return;

    if (arguments)
    {
        if (server->away_message)
            free (server->away_message);
        server->away_message = strdup (arguments);

        /* if server is connected, send away command now */
        if (server->is_connected)
        {
            server->is_away = 1;
            server->away_time = time (NULL);
            irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "AWAY :%s", arguments);
            if (weechat_config_integer (irc_config_look_display_away) != IRC_CONFIG_DISPLAY_AWAY_OFF)
            {
                string = irc_color_decode (arguments,
                                           weechat_config_boolean (irc_config_network_colors_send));
                if (weechat_config_integer (irc_config_look_display_away) == IRC_CONFIG_DISPLAY_AWAY_LOCAL)
                {
                    irc_command_display_away (server, "away",
                                              (string) ? string : arguments);
                }
                else
                {
                    snprintf (buffer, sizeof (buffer), "is away: %s",
                              (string) ? string : arguments);
                    irc_command_me_all_channels (server, buffer);
                }
                if (string)
                    free (string);
            }
            irc_server_set_away (server, server->nick, 1);

            /* reset "unread" indicator on server and channels/pv buffers */
            if (reset_unread_marker)
            {
                if (weechat_buffer_get_integer (server->buffer, "num_displayed") > 0)
                    weechat_buffer_set (server->buffer, "unread", "");
                for (ptr_channel = server->channels; ptr_channel;
                     ptr_channel = ptr_channel->next_channel)
                {
                    if (weechat_buffer_get_integer (ptr_channel->buffer, "num_displayed") > 0)
                        weechat_buffer_set (ptr_channel->buffer, "unread", "");
                }
            }

            /* ask refresh for "away" item */
            weechat_bar_item_update ("away");
        }
        else
        {
            /*
             * server not connected, store away for future usage
             * (when connecting to server)
             */
            string = irc_color_decode (arguments,
                                       weechat_config_boolean (irc_config_network_colors_send));
            weechat_printf (server->buffer,
                            _("%s: future away: %s"),
                            IRC_PLUGIN_NAME,
                            (string) ? string : arguments);
            if (string)
                free (string);
        }
    }
    else
    {
        if (server->away_message)
        {
            free (server->away_message);
            server->away_message = NULL;
        }

        /* if server is connected, send away command now */
        if (server->is_connected)
        {
            irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "AWAY");
            server->is_away = 0;
            if (server->away_time != 0)
            {
                time_now = time (NULL);
                elapsed = (time_now >= server->away_time) ?
                    time_now - server->away_time : 0;
                server->away_time = 0;
                if (weechat_config_integer (irc_config_look_display_away) != IRC_CONFIG_DISPLAY_AWAY_OFF)
                {
                    if (weechat_config_integer (irc_config_look_display_away) == IRC_CONFIG_DISPLAY_AWAY_LOCAL)
                    {
                        snprintf (buffer, sizeof (buffer),
                                  "gone %.2ld:%.2ld:%.2ld",
                                  (long int)(elapsed / 3600),
                                  (long int)((elapsed / 60) % 60),
                                  (long int)(elapsed % 60));
                        irc_command_display_away (server, "back", buffer);
                    }
                    else
                    {
                        snprintf (buffer, sizeof (buffer),
                                  "is back (gone %.2ld:%.2ld:%.2ld)",
                                  (long int)(elapsed / 3600),
                                  (long int)((elapsed / 60) % 60),
                                  (long int)(elapsed % 60));
                        irc_command_me_all_channels (server, buffer);
                    }
                }
            }
            irc_server_set_away (server, server->nick, 0);
        }
        else
        {
            /*
             * server not connected, remove away message but do not send
             * anything
             */
            weechat_printf (server->buffer,
                            _("%s: future away removed"),
                            IRC_PLUGIN_NAME);
        }

        /* ask refresh for "away" item */
        weechat_bar_item_update ("away");
    }
}

/*
 * Callback for command "/away": toggles away status.
 */

int
irc_command_away (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;

    if ((argc >= 2) && (weechat_strcasecmp (argv[1], "-all") == 0))
    {
        weechat_buffer_set (NULL, "hotlist", "-");
        for (ptr_server = irc_servers; ptr_server;
             ptr_server = ptr_server->next_server)
        {
            if (ptr_server->buffer)
            {
                irc_command_away_server (ptr_server,
                                         (argc > 2) ? argv_eol[2] : NULL,
                                         1);
            }
        }
        weechat_buffer_set (NULL, "hotlist", "+");
    }
    else if (ptr_server)
    {
        weechat_buffer_set (NULL, "hotlist", "-");
        irc_command_away_server (ptr_server, argv_eol[1], 1);
        weechat_buffer_set (NULL, "hotlist", "+");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command /away when it's run ("command_run" hooked).
 */

int
irc_command_run_away (void *data, struct t_gui_buffer *buffer,
                      const char *command)
{
    int argc;
    char **argv, **argv_eol;

    argv = weechat_string_split (command, " ", 0, 0, &argc);
    argv_eol = weechat_string_split (command, " ", 1, 0, NULL);

    if (argv && argv_eol)
    {
        irc_command_away (data, buffer, argc, argv, argv_eol);
    }

    if (argv)
        weechat_string_free_split (argv);
    if (argv_eol)
        weechat_string_free_split (argv_eol);

    return WEECHAT_RC_OK;
}

/*
 * Sends a ban/unban command to the server, as "MODE [+/-]b nick".
 *
 * Argument "mode" can be "+b" for ban or "-b" for unban.
 */

void
irc_command_send_ban (struct t_irc_server *server,
                      const char *channel_name,
                      const char *mode,
                      const char *nick)
{
    struct t_irc_channel *ptr_channel;
    struct t_irc_nick *ptr_nick;
    char *mask;

    mask = NULL;

    if (!strchr (nick, '!') && !strchr (nick, '@'))
    {
        ptr_channel = irc_channel_search (server, channel_name);
        if (ptr_channel)
        {
            ptr_nick = irc_nick_search (server, ptr_channel, nick);
            if (ptr_nick)
                mask = irc_nick_default_ban_mask (ptr_nick);
        }
    }

    irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "MODE %s %s %s",
                      channel_name,
                      mode,
                      (mask) ? mask : nick);

    if (mask)
        free (mask);
}

/*
 * Callback for command "/ban": bans nicks or hosts.
 */

int
irc_command_ban (void *data, struct t_gui_buffer *buffer, int argc,
                 char **argv, char **argv_eol)
{
    char *pos_channel;
    int pos_args;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("ban", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (argc > 1)
    {
        if (irc_channel_is_channel (ptr_server, argv[1]))
        {
            pos_channel = argv[1];
            pos_args = 2;
        }
        else
        {
            pos_channel = NULL;
            pos_args = 1;
        }

        /* channel not given, use default buffer */
        if (!pos_channel)
        {
            if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
                pos_channel = ptr_channel->name;
            else
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s%s: \"%s\" command can only be executed in a channel "
                      "buffer"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, "ban");
                return WEECHAT_RC_OK;
            }
        }

        if (argv[pos_args])
        {
            /* loop on users */
            while (argv[pos_args])
            {
                irc_command_send_ban (ptr_server, pos_channel, "+b",
                                      argv[pos_args]);
                pos_args++;
            }
        }
        else
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "MODE %s +b",
                              pos_channel);
        }
    }
    else
    {
        if (!ptr_channel)
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "ban");
            return WEECHAT_RC_OK;
        }
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s +b", ptr_channel->name);
    }

    return WEECHAT_RC_OK;
}

/*
 * Connects to one server.
 *
 * Returns:
 *   1: OK
 *   0: error
 */

int
irc_command_connect_one_server (struct t_irc_server *server,
                                int switch_address, int no_join)
{
    if (!server)
        return 0;

    if (server->is_connected)
    {
        weechat_printf (
            NULL,
            _("%s%s: already connected to server \"%s\"!"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, server->name);
        return 0;
    }
    if (server->hook_connect)
    {
        weechat_printf (
            NULL,
            _("%s%s: currently connecting to server \"%s\"!"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, server->name);
        return 0;
    }

    if (switch_address)
        irc_server_switch_address (server, 0);

    server->disable_autojoin = no_join;

    if (irc_server_connect (server))
    {
        server->reconnect_delay = 0;
        server->reconnect_start = 0;
        server->reconnect_join = (server->channels) ? 1 : 0;
    }

    /* connect OK */
    return 1;
}

/*
 * Callback for command "/connect": connects to server(s).
 */

int
irc_command_connect (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    int i, nb_connect, connect_ok, all_servers, all_opened, switch_address;
    int no_join, autoconnect;
    char *name;

    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    connect_ok = 1;

    all_servers = 0;
    all_opened = 0;
    switch_address = 0;
    no_join = 0;
    autoconnect = 0;
    for (i = 1; i < argc; i++)
    {
        if (weechat_strcasecmp (argv[i], "-all") == 0)
            all_servers = 1;
        else if (weechat_strcasecmp (argv[i], "-open") == 0)
            all_opened = 1;
        else if (weechat_strcasecmp (argv[i], "-switch") == 0)
            switch_address = 1;
        else if (weechat_strcasecmp (argv[i], "-nojoin") == 0)
            no_join = 1;
        else if (weechat_strcasecmp (argv[i], "-auto") == 0)
            autoconnect = 1;
    }

    if (all_opened)
    {
        for (ptr_server = irc_servers; ptr_server;
             ptr_server = ptr_server->next_server)
        {
            if (ptr_server->buffer
                && !ptr_server->is_connected && (!ptr_server->hook_connect))
            {
                if (!irc_command_connect_one_server (ptr_server,
                                                     switch_address, no_join))
                {
                    connect_ok = 0;
                }
            }
        }
        return (connect_ok) ? WEECHAT_RC_OK : WEECHAT_RC_ERROR;
    }
    else if (all_servers)
    {
        for (ptr_server = irc_servers; ptr_server;
             ptr_server = ptr_server->next_server)
        {
            if (!ptr_server->is_connected && (!ptr_server->hook_connect))
            {
                if (!irc_command_connect_one_server (ptr_server,
                                                     switch_address, no_join))
                {
                    connect_ok = 0;
                }
            }
        }
        return (connect_ok) ? WEECHAT_RC_OK : WEECHAT_RC_ERROR;
    }
    else if (autoconnect)
    {
        for (ptr_server = irc_servers; ptr_server;
             ptr_server = ptr_server->next_server)
        {
            if (!ptr_server->is_connected && (!ptr_server->hook_connect)
                && (IRC_SERVER_OPTION_BOOLEAN(ptr_server, IRC_SERVER_OPTION_AUTOCONNECT)))
            {
                if (!irc_command_connect_one_server (ptr_server,
                                                     switch_address, no_join))
                {
                    connect_ok = 0;
                }
            }
        }
        return (connect_ok) ? WEECHAT_RC_OK : WEECHAT_RC_ERROR;
    }
    else
    {
        nb_connect = 0;
        for (i = 1; i < argc; i++)
        {
            if (argv[i][0] != '-')
            {
                nb_connect++;
                ptr_server = irc_server_search (argv[i]);
                if (ptr_server)
                {
                    irc_server_apply_command_line_options (ptr_server,
                                                           argc, argv);
                    if (!irc_command_connect_one_server (ptr_server,
                                                         switch_address,
                                                         no_join))
                    {
                        connect_ok = 0;
                    }
                }
                else if (weechat_config_boolean (irc_config_look_temporary_servers))
                {
                    if ((strncmp (argv[i], "irc", 3) == 0)
                        && strstr (argv[i], "://"))
                    {
                        /* read server using URL format */
                        ptr_server = irc_server_alloc_with_url (argv[i]);
                        if (ptr_server)
                        {
                            irc_server_apply_command_line_options (ptr_server,
                                                                   argc, argv);
                            if (!irc_command_connect_one_server (ptr_server, 0, 0))
                                connect_ok = 0;
                        }
                    }
                    else
                    {
                        /* create server with address */
                        name = irc_server_get_name_without_port (argv[i]);
                        ptr_server = irc_server_alloc ((name) ? name : argv[i]);
                        if (name)
                            free (name);
                        if (ptr_server)
                        {
                            ptr_server->temp_server = 1;
                            weechat_config_option_set (
                                ptr_server->options[IRC_SERVER_OPTION_ADDRESSES],
                                argv[i], 1);
                            weechat_printf (
                                NULL,
                                _("%s: server %s%s%s created (temporary "
                                  "server, NOT SAVED!)"),
                                IRC_PLUGIN_NAME,
                                IRC_COLOR_CHAT_SERVER,
                                ptr_server->name,
                                IRC_COLOR_RESET);
                            irc_server_apply_command_line_options (ptr_server,
                                                                   argc, argv);
                            if (!irc_command_connect_one_server (ptr_server, 0, 0))
                                connect_ok = 0;
                        }
                    }
                    if (!ptr_server)
                    {
                        weechat_printf (
                            NULL,
                            _("%s%s: unable to create temporary server \"%s\" "
                              "(check if there is already a server with this "
                              "name)"),
                            weechat_prefix ("error"), IRC_PLUGIN_NAME, argv[i]);
                    }
                }
                else
                {
                    weechat_printf (
                        NULL,
                        _("%s%s: unable to create temporary server \"%s\" "
                          "because the creation of temporary servers with "
                          "command /connect is currently disabled"),
                        weechat_prefix ("error"), IRC_PLUGIN_NAME, argv[i]);
                    weechat_printf (
                        NULL,
                        _("%s%s: if you want to create a standard server, "
                          "use the command \"/server add\" (see /help "
                          "server); if you really want to create a temporary "
                          "server (NOT SAVED), turn on the option "
                          "irc.look.temporary_servers"),
                        weechat_prefix ("error"),
                        IRC_PLUGIN_NAME);
                }
            }
            else
            {
                if (weechat_strcasecmp (argv[i], "-port") == 0)
                    i++;
            }
        }
        if (nb_connect == 0)
        {
            connect_ok = irc_command_connect_one_server (ptr_server,
                                                         switch_address,
                                                         no_join);
        }
    }

    return (connect_ok) ? WEECHAT_RC_OK : WEECHAT_RC_ERROR;
}

/*
 * Callback for command "/ctcp": sends a CTCP message.
 */

int
irc_command_ctcp (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    char *irc_cmd, str_time[512];
    struct timeval tv;

    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("ctcp", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    irc_cmd = strdup (argv[2]);
    if (!irc_cmd)
        WEECHAT_COMMAND_ERROR;

    weechat_string_toupper (irc_cmd);

    if ((weechat_strcasecmp (argv[2], "ping") == 0) && !argv_eol[3])
    {
        gettimeofday (&tv, NULL);
        snprintf (str_time, sizeof (str_time), "%ld %ld",
                  (long)tv.tv_sec, (long)tv.tv_usec);
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "PRIVMSG %s :\01PING %s\01",
                          argv[1], str_time);
        weechat_printf (
            irc_msgbuffer_get_target_buffer (
                ptr_server, argv[1], NULL, "ctcp", NULL),
            _("%sCTCP query to %s%s%s: %s%s%s%s%s"),
            weechat_prefix ("network"),
            irc_nick_color_for_msg (ptr_server, 0, NULL, argv[1]),
            argv[1],
            IRC_COLOR_RESET,
            IRC_COLOR_CHAT_CHANNEL,
            irc_cmd,
            IRC_COLOR_RESET,
            " ",
            str_time);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "PRIVMSG %s :\01%s%s%s\01",
                          argv[1],
                          irc_cmd,
                          (argv_eol[3]) ? " " : "",
                          (argv_eol[3]) ? argv_eol[3] : "");
        weechat_printf (
            irc_msgbuffer_get_target_buffer (
                ptr_server, argv[1], NULL, "ctcp", NULL),
            _("%sCTCP query to %s%s%s: %s%s%s%s%s"),
            weechat_prefix ("network"),
            irc_nick_color_for_msg (ptr_server, 0, NULL, argv[1]),
            argv[1],
            IRC_COLOR_RESET,
            IRC_COLOR_CHAT_CHANNEL,
            irc_cmd,
            IRC_COLOR_RESET,
            (argv_eol[3]) ? " " : "",
            (argv_eol[3]) ? argv_eol[3] : "");
    }

    free (irc_cmd);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/cycle": leaves and rejoins a channel.
 */

int
irc_command_cycle (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    char *channel_name, *pos_args, *buf;
    const char *version, *ptr_arg, *msg_part;
    char **channels;
    int i, num_channels;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("cycle", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        if (irc_channel_is_channel (ptr_server, argv[1]))
        {
            channel_name = argv[1];
            pos_args = argv_eol[2];
            channels = weechat_string_split (channel_name, ",", 0, 0,
                                             &num_channels);
            if (channels)
            {
                for (i = 0; i < num_channels; i++)
                {
                    ptr_channel = irc_channel_search (ptr_server, channels[i]);
                    /* mark channel as cycling */
                    if (ptr_channel &&
                        (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
                        ptr_channel->cycle = 1;
                }
                weechat_string_free_split (channels);
            }
        }
        else
        {
            if (!ptr_channel)
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s%s: \"%s\" command can not be executed on a server "
                      "buffer"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, "cycle");
                return WEECHAT_RC_OK;
            }

            /* does nothing on private buffer (cycle has no sense!) */
            if (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL)
                return WEECHAT_RC_OK;

            channel_name = ptr_channel->name;
            pos_args = argv_eol[1];
            ptr_channel->cycle = 1;
        }
    }
    else
    {
        if (!ptr_channel)
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can not be executed on a server "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "part");
            return WEECHAT_RC_OK;
        }

        /* does nothing on private buffer (cycle has no sense!) */
        if (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL)
            return WEECHAT_RC_OK;

        channel_name = ptr_channel->name;
        pos_args = NULL;
        ptr_channel->cycle = 1;
    }

    msg_part = IRC_SERVER_OPTION_STRING(ptr_server,
                                        IRC_SERVER_OPTION_DEFAULT_MSG_PART);
    ptr_arg = (pos_args) ? pos_args :
        ((msg_part && msg_part[0]) ? msg_part : NULL);

    if (ptr_arg)
    {
        version = weechat_info_get ("version", "");
        buf = weechat_string_replace (ptr_arg, "%v", (version) ? version : "");
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "PART %s :%s", channel_name,
                          (buf) ? buf : ptr_arg);
        if (buf)
            free (buf);
    }
    else
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "PART %s", channel_name);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/dcc": DCC control (file or chat).
 */

int
irc_command_dcc (void *data, struct t_gui_buffer *buffer, int argc,
                 char **argv, char **argv_eol)
{
    struct sockaddr_storage addr;
    socklen_t length;
    struct t_infolist *infolist;
    struct t_infolist_item *item;
    char str_address[NI_MAXHOST], charset_modifier[256];
    int rc;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("dcc", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    /* use the local interface, from the server socket */
    memset (&addr, 0, sizeof (addr));
    length = sizeof (addr);
    getsockname (ptr_server->sock, (struct sockaddr *)&addr, &length);
    rc = getnameinfo ((struct sockaddr *)&addr, length, str_address,
                      sizeof (str_address), NULL, 0, NI_NUMERICHOST);
    if (rc != 0)
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: unable to resolve local address of server socket: error "
              "%d %s"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, rc, gai_strerror (rc));
        return WEECHAT_RC_OK;
    }

    /* DCC SEND file */
    if (weechat_strcasecmp (argv[1], "send") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(4, "send");
        infolist = weechat_infolist_new ();
        if (infolist)
        {
            item = weechat_infolist_new_item (infolist);
            if (item)
            {
                weechat_infolist_new_var_string (item, "plugin_name", weechat_plugin->name);
                weechat_infolist_new_var_string (item, "plugin_id", ptr_server->name);
                weechat_infolist_new_var_string (item, "type_string", "file_send");
                weechat_infolist_new_var_string (item, "protocol_string", "dcc");
                weechat_infolist_new_var_string (item, "remote_nick", argv[2]);
                weechat_infolist_new_var_string (item, "local_nick", ptr_server->nick);
                weechat_infolist_new_var_string (item, "filename", argv_eol[3]);
                weechat_infolist_new_var_string (item, "local_address", str_address);
                weechat_infolist_new_var_integer (item, "socket", ptr_server->sock);
                (void) weechat_hook_signal_send ("xfer_add",
                                                 WEECHAT_HOOK_SIGNAL_POINTER,
                                                 infolist);
            }
            weechat_infolist_free (infolist);
        }
        return WEECHAT_RC_OK;
    }

    /* DCC CHAT */
    if (weechat_strcasecmp (argv[1], "chat") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "chat");
        infolist = weechat_infolist_new ();
        if (infolist)
        {
            item = weechat_infolist_new_item (infolist);
            if (item)
            {
                weechat_infolist_new_var_string (item, "plugin_name", weechat_plugin->name);
                weechat_infolist_new_var_string (item, "plugin_id", ptr_server->name);
                weechat_infolist_new_var_string (item, "type_string", "chat_send");
                weechat_infolist_new_var_string (item, "remote_nick", argv[2]);
                weechat_infolist_new_var_string (item, "local_nick", ptr_server->nick);
                snprintf (charset_modifier, sizeof (charset_modifier),
                          "irc.%s.%s", ptr_server->name, argv[2]);
                weechat_infolist_new_var_string (item, "charset_modifier", charset_modifier);
                weechat_infolist_new_var_string (item, "local_address", str_address);
                (void) weechat_hook_signal_send ("xfer_add",
                                                 WEECHAT_HOOK_SIGNAL_POINTER,
                                                 infolist);
            }
            weechat_infolist_free (infolist);
        }
        return WEECHAT_RC_OK;
    }

    WEECHAT_COMMAND_ERROR;
}

/*
 * Callback for command "/dehalfop": removes half operator privileges from
 * nickname(s).
 */

int
irc_command_dehalfop (void *data, struct t_gui_buffer *buffer, int argc,
                      char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("dehalfop", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: \"%s\" command can only be executed in a channel buffer"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "dehalfop");
        return WEECHAT_RC_OK;
    }

    if (argc < 2)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s -h %s",
                          ptr_channel->name,
                          ptr_server->nick);
    }
    else
    {
        irc_command_mode_nicks (ptr_server, ptr_channel,
                                "dehalfop", "-", "h", argc, argv);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/deop": removes operator privileges from nickname(s).
 */

int
irc_command_deop (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("deop", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: \"%s\" command can only be executed in a channel buffer"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "deop");
        return WEECHAT_RC_OK;
    }

    if (argc < 2)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s -o %s",
                          ptr_channel->name,
                          ptr_server->nick);
    }
    else
    {
        irc_command_mode_nicks (ptr_server, ptr_channel,
                                "deop", "-", "o", argc, argv);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/devoice": removes voice from nickname(s).
 */

int
irc_command_devoice (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("devoice", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: \"%s\" command can only be executed in a channel buffer"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "devoice");
        return WEECHAT_RC_OK;
    }

    if (argc < 2)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s -v %s",
                          ptr_channel->name,
                          ptr_server->nick);
    }
    else
    {
        irc_command_mode_nicks (ptr_server, ptr_channel,
                                "devoice", "-", "v", argc, argv);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/die": shutdowns the server.
 */

int
irc_command_die (void *data, struct t_gui_buffer *buffer, int argc,
                 char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("die", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "DIE %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "DIE");
    }

    return WEECHAT_RC_OK;
}

/*
 * Sends QUIT to a server.
 */

void
irc_command_quit_server (struct t_irc_server *server, const char *arguments)
{
    const char *ptr_arg, *version, *msg_quit;
    char *buf;

    if (!server || !server->is_connected)
        return;

    msg_quit = IRC_SERVER_OPTION_STRING(server,
                                        IRC_SERVER_OPTION_DEFAULT_MSG_QUIT);
    ptr_arg = (arguments) ? arguments :
        ((msg_quit && msg_quit[0]) ? msg_quit : NULL);

    if (ptr_arg)
    {
        version = weechat_info_get ("version", "");
        buf = weechat_string_replace (ptr_arg, "%v",
                                      (version) ? version : "");
        irc_server_sendf (server, 0, NULL, "QUIT :%s",
                          (buf) ? buf : ptr_arg);
        if (buf)
            free (buf);
    }
    else
        irc_server_sendf (server, 0, NULL, "QUIT");
}

/*
 * Disconnects from a server.
 *
 * Returns:
 *   1: OK
 *   0: error
 */

int
irc_command_disconnect_one_server (struct t_irc_server *server,
                                   const char *reason)
{
    if (!server)
        return 0;

    if ((!server->is_connected) && (!server->hook_connect)
        && (!server->hook_fd) && (server->reconnect_start == 0))
    {
        weechat_printf (
            server->buffer,
            _("%s%s: not connected to server \"%s\"!"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, server->name);
        return 0;
    }
    if (server->reconnect_start > 0)
    {
        weechat_printf (
            server->buffer,
            _("%s: auto-reconnection is cancelled"),
            IRC_PLUGIN_NAME);
    }
    irc_command_quit_server (server, reason);
    irc_server_disconnect (server, 0, 0);

    /* ask refresh for "away" item */
    weechat_bar_item_update ("away");

    /* disconnect OK */
    return 1;
}

/*
 * Callback for command "/disconnect": disconnects from server(s).
 */

int
irc_command_disconnect (void *data, struct t_gui_buffer *buffer, int argc,
                        char **argv, char **argv_eol)
{
    int disconnect_ok;
    const char *reason;

    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;

    reason = (argc > 2) ? argv_eol[2] : NULL;

    if (argc < 2)
    {
        disconnect_ok = irc_command_disconnect_one_server (ptr_server, reason);
    }
    else
    {
        disconnect_ok = 1;

        if (weechat_strcasecmp (argv[1], "-all") == 0)
        {
            for (ptr_server = irc_servers; ptr_server;
                 ptr_server = ptr_server->next_server)
            {
                if ((ptr_server->is_connected) || (ptr_server->hook_connect)
                    || (ptr_server->hook_fd)
                    || (ptr_server->reconnect_start != 0))
                {
                    if (!irc_command_disconnect_one_server (ptr_server, reason))
                        disconnect_ok = 0;
                }
            }
        }
        else if (weechat_strcasecmp (argv[1], "-pending") == 0)
        {
            for (ptr_server = irc_servers; ptr_server;
                 ptr_server = ptr_server->next_server)
            {
                if (!ptr_server->is_connected
                    && (ptr_server->reconnect_start != 0))
                {
                    if (!irc_command_disconnect_one_server (ptr_server, reason))
                        disconnect_ok = 0;
                }
            }
        }
        else
        {
            ptr_server = irc_server_search (argv[1]);
            if (ptr_server)
            {
                if (!irc_command_disconnect_one_server (ptr_server, reason))
                    disconnect_ok = 0;
            }
            else
            {
                weechat_printf (
                    NULL,
                    _("%s%s: server \"%s\" not found"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, argv[1]);
                disconnect_ok = 0;
            }
        }
    }

    return (disconnect_ok) ? WEECHAT_RC_OK : WEECHAT_RC_ERROR;
}

/*
 * Callback for command "/halfop": gives half operator privileges to
 * nickname(s).
 */

int
irc_command_halfop (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("halfop", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: \"%s\" command can only be executed in a channel buffer"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "halfop");
        return WEECHAT_RC_OK;
    }

    if (argc < 2)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s +h %s",
                          ptr_channel->name,
                          ptr_server->nick);
    }
    else
    {
        irc_command_mode_nicks (ptr_server, ptr_channel,
                                "halfop", "+", "h", argc, argv);
    }

    return WEECHAT_RC_OK;
}

/*
 * Displays an ignore.
 */

void
irc_command_ignore_display (struct t_irc_ignore *ignore)
{
    char *mask;

    mask = weechat_strndup (ignore->mask + 1, strlen (ignore->mask) - 2);

    weechat_printf (
        NULL,
        _("  %s[%s%d%s]%s mask: %s / server: %s / channel: %s"),
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        ignore->number,
        IRC_COLOR_CHAT_DELIMITERS,
        IRC_COLOR_RESET,
        (mask) ? mask : ignore->mask,
        (ignore->server) ? ignore->server : "*",
        (ignore->channel) ? ignore->channel : "*");

    if (mask)
        free (mask);
}

/*
 * Callback for command "/ignore": adds or removes ignore.
 */

int
irc_command_ignore (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    struct t_irc_ignore *ptr_ignore;
    char *mask, *regex, *regex2, *ptr_regex, *server, *channel, *error;
    int length;
    long number;

    /* make C compiler happy */
    (void) data;
    (void) buffer;
    (void) argv_eol;

    if ((argc == 1)
        || ((argc == 2) && (weechat_strcasecmp (argv[1], "list") == 0)))
    {
        /* display all ignores */
        if (irc_ignore_list)
        {
            weechat_printf (NULL, "");
            weechat_printf (NULL, _("%s: ignore list:"), IRC_PLUGIN_NAME);
            for (ptr_ignore = irc_ignore_list; ptr_ignore;
                 ptr_ignore = ptr_ignore->next_ignore)
            {
                irc_command_ignore_display (ptr_ignore);
            }
        }
        else
            weechat_printf (NULL, _("%s: no ignore in list"), IRC_PLUGIN_NAME);
        return WEECHAT_RC_OK;
    }

    /* add ignore */
    if (weechat_strcasecmp (argv[1], "add") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "add");

        mask = argv[2];
        server = (argc > 3) ? argv[3] : NULL;
        channel = (argc > 4) ? argv[4] : NULL;

        regex = NULL;
        regex2 = NULL;

        if (strncmp (mask, "re:", 3) == 0)
        {
            ptr_regex = mask + 3;
        }
        else
        {
            /* convert mask to regex (escape regex special chars) */
            regex = weechat_string_mask_to_regex (mask);
            ptr_regex = (regex) ? regex : mask;
        }

        /* add "^" and "$" around regex */
        length = 1 + strlen (ptr_regex) + 1 + 1;
        regex2 = malloc (length);
        if (regex2)
        {
            snprintf (regex2, length, "^%s$", ptr_regex);
            ptr_regex = regex2;
        }

        if (irc_ignore_search (ptr_regex, server, channel))
        {
            if (regex)
                free (regex);
            if (regex2)
                free (regex2);
            weechat_printf (NULL,
                            _("%s%s: ignore already exists"),
                            weechat_prefix ("error"), IRC_PLUGIN_NAME);
            return WEECHAT_RC_OK;
        }

        ptr_ignore = irc_ignore_new (ptr_regex, server, channel);

        if (regex)
            free (regex);
        if (regex2)
            free (regex2);

        if (ptr_ignore)
        {
            weechat_printf (NULL, "");
            weechat_printf (NULL, _("%s: ignore added:"), IRC_PLUGIN_NAME);
            irc_command_ignore_display (ptr_ignore);
        }
        else
        {
            weechat_printf (NULL, _("%s%s: error adding ignore"),
                            weechat_prefix ("error"), IRC_PLUGIN_NAME);
        }

        return WEECHAT_RC_OK;
    }

    /* delete ignore */
    if (weechat_strcasecmp (argv[1], "del") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "del");

        if (weechat_strcasecmp (argv[2], "-all") == 0)
        {
            if (irc_ignore_list)
            {
                irc_ignore_free_all ();
                weechat_printf (NULL, _("%s: all ignores deleted"),
                                IRC_PLUGIN_NAME);
            }
            else
            {
                weechat_printf (NULL, _("%s: no ignore in list"),
                                IRC_PLUGIN_NAME);
            }
        }
        else
        {
            error = NULL;
            number = strtol (argv[2], &error, 10);
            if (error && !error[0])
            {
                ptr_ignore = irc_ignore_search_by_number (number);
                if (ptr_ignore)
                {
                    mask = weechat_strndup (ptr_ignore->mask + 1,
                                            strlen (ptr_ignore->mask) - 2);
                    irc_ignore_free (ptr_ignore);
                    weechat_printf (NULL, _("%s: ignore \"%s\" deleted"),
                                    IRC_PLUGIN_NAME, mask);
                    if (mask)
                        free (mask);
                }
                else
                {
                    weechat_printf (NULL,
                                    _("%s%s: ignore not found"),
                                    weechat_prefix ("error"), IRC_PLUGIN_NAME);
                    return WEECHAT_RC_OK;
                }
            }
            else
            {
                weechat_printf (NULL,
                                _("%s%s: wrong ignore number"),
                                weechat_prefix ("error"), IRC_PLUGIN_NAME);
                return WEECHAT_RC_OK;
            }
        }

        return WEECHAT_RC_OK;
    }

    WEECHAT_COMMAND_ERROR;
}

/*
 * Callback for command "/info": gets information describing the server.
 */

int
irc_command_info (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("info", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "INFO %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "INFO");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/invite": invites a nick on a channel.
 */

int
irc_command_invite (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    int i, arg_last_nick;
    char *ptr_channel_name;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("invite", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (argc > 2)
    {
        if (irc_channel_is_channel (ptr_server, argv[argc - 1]))
        {
            arg_last_nick = argc - 2;
            ptr_channel_name = argv[argc - 1];
        }
        else
        {
            if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
            {
                arg_last_nick = argc - 1;
                ptr_channel_name = ptr_channel->name;
            }
            else
                goto error;
        }
        for (i = 1; i <= arg_last_nick; i++)
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "INVITE %s %s", argv[i], ptr_channel_name);
        }
    }
    else
    {
        if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "INVITE %s %s",
                              argv[1], ptr_channel->name);
        }
        else
            goto error;
    }

    return WEECHAT_RC_OK;

error:
    weechat_printf (
        ptr_server->buffer,
        _("%s%s: \"%s\" command can only be executed in a channel buffer"),
        weechat_prefix ("error"), IRC_PLUGIN_NAME, "invite");
    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/ison": checks if a nickname is currently on IRC.
 */

int
irc_command_ison (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("ison", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "ISON :%s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Sends JOIN command to a server.
 */

void
irc_command_join_server (struct t_irc_server *server, const char *arguments,
                         int manual_join, int noswitch)
{
    char *new_args, **channels, **keys, *pos_space, *pos_keys, *pos_channel;
    char *channel_name;
    int i, num_channels, num_keys, length;
    time_t time_now;
    struct t_irc_channel *ptr_channel;

    if (server->sock < 0)
    {
        weechat_printf (
            NULL,
            _("%s%s: command \"%s\" must be executed on connected irc server"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "join");
        return;
    }

    /* split channels and keys */
    channels = NULL;
    num_channels = 0;
    keys = NULL;
    num_keys = 0;
    pos_space = strchr (arguments, ' ');
    pos_keys = NULL;
    if (pos_space)
    {
        new_args = weechat_strndup (arguments, pos_space - arguments);
        pos_keys = pos_space + 1;
        while (pos_keys[0] == ' ')
        {
            pos_keys++;
        }
        if (pos_keys[0])
            keys = weechat_string_split (pos_keys, ",", 0, 0, &num_keys);
    }
    else
        new_args = strdup (arguments);

    if (new_args)
    {
        channels = weechat_string_split (new_args, ",", 0, 0,
                                         &num_channels);
        free (new_args);
    }

    if (channels)
    {
        length = strlen (arguments) + num_channels + 1;
        new_args = malloc (length);
        if (new_args)
        {
            if (manual_join)
            {
                snprintf (new_args, length, "%s%s",
                          irc_channel_get_auto_chantype (server, channels[0]),
                          channels[0]);
                ptr_channel = irc_channel_search (server, new_args);
                if (ptr_channel)
                {
                    if (!noswitch)
                    {
                        weechat_buffer_set (ptr_channel->buffer,
                                            "display", "1");
                    }
                }
            }
            new_args[0] = '\0';
            time_now = time (NULL);
            for (i = 0; i < num_channels; i++)
            {
                if (i > 0)
                    strcat (new_args, ",");
                pos_channel = new_args + strlen (new_args);
                strcat (new_args,
                        irc_channel_get_auto_chantype (server, channels[i]));
                strcat (new_args, channels[i]);
                if (manual_join || noswitch)
                {
                    channel_name = strdup (pos_channel);
                    if (channel_name)
                    {
                        weechat_string_tolower (channel_name);
                        if (manual_join)
                        {
                            weechat_hashtable_set (server->join_manual,
                                                   channel_name,
                                                   &time_now);
                        }
                        if (noswitch)
                        {
                            weechat_hashtable_set (server->join_noswitch,
                                                   channel_name,
                                                   &time_now);
                        }
                        free (channel_name);
                    }
                }
                if (keys && (i < num_keys))
                {
                    ptr_channel = irc_channel_search (server, pos_channel);
                    if (ptr_channel)
                    {
                        if (ptr_channel->key)
                            free (ptr_channel->key);
                        ptr_channel->key = strdup (keys[i]);
                    }
                    else
                    {
                        weechat_hashtable_set (server->join_channel_key,
                                               pos_channel, keys[i]);
                    }
                }
                if (manual_join
                    && weechat_config_boolean (irc_config_look_buffer_open_before_join))
                {
                    /*
                     * open the channel buffer immediately (do not wait for the
                     * JOIN sent by server)
                     */
                    irc_channel_create_buffer (
                        server, IRC_CHANNEL_TYPE_CHANNEL, pos_channel, 1, 1);
                }
            }
            if (pos_space)
                strcat (new_args, pos_space);

            irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "JOIN %s", new_args);

            free (new_args);
        }
        weechat_string_free_split (channels);
    }
}

/*
 * Callback for command "/join": joins a new channel.
 */

int
irc_command_join (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    int i, arg_channels, noswitch;
    const char *ptr_type, *ptr_server_name, *ptr_channel_name;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);

    /* make C compiler happy */
    (void) data;

    noswitch = 0;
    arg_channels = 1;

    for (i = 1; i < argc; i++)
    {
        if (weechat_strcasecmp (argv[i], "-server") == 0)
        {
            if (argc <= i + 1)
                WEECHAT_COMMAND_ERROR;
            ptr_server = irc_server_search (argv[i + 1]);
            if (!ptr_server)
                WEECHAT_COMMAND_ERROR;
            arg_channels = i + 2;
            i++;
        }
        else if (weechat_strcasecmp (argv[i], "-noswitch") == 0)
        {
            noswitch = 1;
            arg_channels = i + 1;
        }
        else
        {
            arg_channels = i;
            break;
        }
    }

    if (!ptr_server)
    {
        if ((weechat_buffer_get_pointer (buffer,
                                         "plugin") == weechat_irc_plugin))
        {
            ptr_server_name = weechat_buffer_get_string (buffer,
                                                         "localvar_server");
            if (ptr_server_name)
                ptr_server = irc_server_search (ptr_server_name);
        }
    }

    IRC_COMMAND_CHECK_SERVER("join", 1);

    if (arg_channels < argc)
    {
        irc_command_join_server (ptr_server, argv_eol[arg_channels],
                                 1, noswitch);
    }
    else
    {
        if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL)
            && !ptr_channel->nicks)
        {
            irc_command_join_server (ptr_server, ptr_channel->name,
                                     1, noswitch);
        }
        else
        {
            ptr_type = weechat_buffer_get_string (buffer, "localvar_type");
            ptr_channel_name = weechat_buffer_get_string (buffer,
                                                          "localvar_channel");
            if ((weechat_buffer_get_pointer (buffer,
                                             "plugin") == weechat_irc_plugin)
                && ptr_type && ptr_channel_name
                && (strcmp (ptr_type, "channel") == 0))
            {
                irc_command_join_server (ptr_server, ptr_channel_name,
                                         1, noswitch);
            }
            else
                WEECHAT_COMMAND_ERROR;
        }
    }

    return WEECHAT_RC_OK;
}

/*
 * Sends a kick message to a channel.
 */

void
irc_command_kick_channel (struct t_irc_server *server,
                          const char *channel_name, const char *nick_name,
                          const char *message)
{
    const char *msg_kick;
    char *msg_vars_replaced;

    msg_kick = (message && message[0]) ?
        message : IRC_SERVER_OPTION_STRING(server,
                                           IRC_SERVER_OPTION_DEFAULT_MSG_KICK);
    if (msg_kick && msg_kick[0])
    {
        msg_vars_replaced = irc_message_replace_vars (server,
                                                      channel_name,
                                                      msg_kick);
        irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "KICK %s %s :%s",
                          channel_name, nick_name,
                          (msg_vars_replaced) ? msg_vars_replaced : msg_kick);
        if (msg_vars_replaced)
            free (msg_vars_replaced);
    }
    else
    {
        irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "KICK %s %s",
                          channel_name, nick_name);
    }
}

/*
 * Callback for command "/kick": forcibly removes a user from a channel.
 */

int
irc_command_kick (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    char *pos_channel, *pos_nick, *pos_comment;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("kick", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (irc_channel_is_channel (ptr_server, argv[1]))
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "");
        pos_channel = argv[1];
        pos_nick = argv[2];
        pos_comment = argv_eol[3];
    }
    else
    {
        if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "kick");
            return WEECHAT_RC_OK;
        }
        pos_channel = ptr_channel->name;
        pos_nick = argv[1];
        pos_comment = argv_eol[2];
    }

    irc_command_kick_channel (ptr_server, pos_channel, pos_nick,
                              pos_comment);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/kickban": forcibly removes a user from a channel and
 * bans it.
 */

int
irc_command_kickban (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    char *pos_channel, *pos_nick, *nick_only, *pos_comment, *pos, *mask;
    int length;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("kickban", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (irc_channel_is_channel (ptr_server, argv[1]))
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "");
        pos_channel = argv[1];
        pos_nick = argv[2];
        pos_comment = argv_eol[3];
    }
    else
    {
        if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "kickban");
            return WEECHAT_RC_OK;
        }
        pos_channel = ptr_channel->name;
        pos_nick = argv[1];
        pos_comment = argv_eol[2];
    }

    /* kick nick from channel */
    nick_only = strdup (pos_nick);
    if (!nick_only)
        WEECHAT_COMMAND_ERROR;

    pos = strchr (nick_only, '@');
    if (pos)
        pos[0] = '\0';
    pos = strchr (nick_only, '!');
    if (pos)
        pos[0] = '\0';

    if (strcmp (nick_only, "*") == 0)
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: mask must begin with nick"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME);
        free (nick_only);
        return WEECHAT_RC_OK;
    }

    /* set ban for nick(+host) on channel */
    if (strchr (pos_nick, '@'))
    {
        length = strlen (pos_nick) + 16 + 1;
        mask = malloc (length);
        if (mask)
        {
            pos = strchr (pos_nick, '!');
            snprintf (mask, length, "*!%s",
                      (pos) ? pos + 1 : pos_nick);
            irc_server_sendf (ptr_server,
                              IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "MODE %s +b %s",
                              pos_channel, mask);
            free (mask);
        }
    }
    else
    {
        irc_command_send_ban (ptr_server, pos_channel, "+b",
                              pos_nick);
    }

    /* kick nick */
    irc_command_kick_channel (ptr_server, pos_channel, nick_only, pos_comment);

    free (nick_only);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/kill": closes client-server connection.
 */

int
irc_command_kill (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("kill", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (argc < 3)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "KILL %s", argv[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "KILL %s :%s", argv[1], argv_eol[2]);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/links": lists all server names which are known by the
 * server answering the query.
 */

int
irc_command_links (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("links", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "LINKS %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "LINKS");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/list": lists channels and their topic.
 */

int
irc_command_list (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    char buf[512], *ptr_channel_name, *ptr_server_name, *ptr_regex;
    int i, ret;

    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("list", 1);

    /* make C compiler happy */
    (void) data;

    if (ptr_server->cmd_list_regexp)
    {
        regfree (ptr_server->cmd_list_regexp);
        free (ptr_server->cmd_list_regexp);
        ptr_server->cmd_list_regexp = NULL;
    }

    if (argc > 1)
    {
        ptr_channel_name = NULL;
        ptr_server_name = NULL;
        ptr_regex = NULL;
        for (i = 1; i < argc; i++)
        {
            if (weechat_strcasecmp (argv[i], "-re") == 0)
            {
                if (i < argc - 1)
                {
                    ptr_regex = argv_eol[i + 1];
                    i++;
                }
            }
            else
            {
                if (!ptr_channel_name)
                    ptr_channel_name = argv[i];
                else if (!ptr_server_name)
                    ptr_server_name = argv[i];
            }
        }
        if (!ptr_channel_name && !ptr_server_name && !ptr_regex)
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "LIST");
        }
        else
        {
            if (ptr_regex)
            {
                ptr_server->cmd_list_regexp = malloc (
                    sizeof (*ptr_server->cmd_list_regexp));
                if (ptr_server->cmd_list_regexp)
                {
                    if ((ret = weechat_string_regcomp (
                             ptr_server->cmd_list_regexp, ptr_regex,
                             REG_EXTENDED | REG_ICASE | REG_NOSUB)) != 0)
                    {
                        regerror (ret, ptr_server->cmd_list_regexp,
                                  buf, sizeof(buf));
                        weechat_printf (
                            ptr_server->buffer,
                            _("%s%s: \"%s\" is not a valid regular expression "
                              "(%s)"),
                            weechat_prefix ("error"), IRC_PLUGIN_NAME,
                            argv_eol[1], buf);
                        return WEECHAT_RC_OK;
                    }
                }
                else
                {
                    weechat_printf (
                        ptr_server->buffer,
                        _("%s%s: not enough memory for regular expression"),
                        weechat_prefix ("error"), IRC_PLUGIN_NAME);
                    return WEECHAT_RC_OK;
                }
            }
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "LIST%s%s%s%s",
                              (ptr_channel_name) ? " " : "",
                              (ptr_channel_name) ? ptr_channel_name : "",
                              (ptr_server_name) ? " " : "",
                              (ptr_server_name) ? ptr_server_name : "");
        }
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "LIST");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/lusers": gets statistics about the size of the IRC
 * network.
 */

int
irc_command_lusers (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("lusers", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "LUSERS %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "LUSERS");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/map": shows a graphical map of the IRC network.
 */

int
irc_command_map (void *data, struct t_gui_buffer *buffer, int argc,
                 char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("map", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MAP %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MAP");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/me": sends a ctcp action to the current channel.
 */

int
irc_command_me (void *data, struct t_gui_buffer *buffer, int argc, char **argv,
                char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("me", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (!ptr_channel)
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: \"%s\" command can not be executed on a server buffer"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "me");
        return WEECHAT_RC_OK;
    }

    irc_command_me_channel (ptr_server, ptr_channel,
                            (argc > 1) ? argv_eol[1] : NULL);

    return WEECHAT_RC_OK;
}

/*
 * Sends MODE command on a server.
 */

void
irc_command_mode_server (struct t_irc_server *server,
                         const char *command,
                         struct t_irc_channel *channel,
                         const char *arguments,
                         int flags)
{
    if (server && command && (channel || arguments))
    {
        if (channel && arguments)
        {
            irc_server_sendf (server, flags, NULL,
                              "%s %s %s",
                              command, channel->name, arguments);
        }
        else
        {
            irc_server_sendf (server, flags, NULL,
                              "%s %s",
                              command,
                              (channel) ? channel->name : arguments);
        }
    }
}

/*
 * Callback for command "/mode": changes mode for channel/nickname.
 */

int
irc_command_mode (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("mode", 1);

    /* make C compiler happy */
    (void) data;

    if (argc > 1)
    {
        if ((argv[1][0] == '+') || (argv[1][0] == '-'))
        {
            /* channel not specified, check we are on channel and use it */
            if (!ptr_channel)
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s%s: you must specify channel for \"%s\" command if "
                      "you're not in a channel"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, "mode");
                return WEECHAT_RC_OK;
            }
            irc_command_mode_server (ptr_server, "MODE", ptr_channel,
                                     argv_eol[1],
                                     IRC_SERVER_SEND_OUTQ_PRIO_HIGH);
        }
        else
        {
            /* user gives channel, use arguments as-is */
            irc_command_mode_server (ptr_server, "MODE", NULL, argv_eol[1],
                                     IRC_SERVER_SEND_OUTQ_PRIO_HIGH);
        }
    }
    else
    {
        if (ptr_channel)
        {
            irc_command_mode_server (ptr_server, "MODE", ptr_channel, NULL,
                                     IRC_SERVER_SEND_OUTQ_PRIO_HIGH);
        }
        else
        {
            irc_command_mode_server (ptr_server, "MODE", NULL,
                                     ptr_server->nick,
                                     IRC_SERVER_SEND_OUTQ_PRIO_HIGH);
        }
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/motd": gets the "Message Of The Day".
 */

int
irc_command_motd (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("motd", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MOTD %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MOTD");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/msg": sends a message to a nick or channel.
 */

int
irc_command_msg (void *data, struct t_gui_buffer *buffer, int argc,
                 char **argv, char **argv_eol)
{
    char **targets, *msg_pwd_hidden, *string;
    int num_targets, i, j, arg_target, arg_text, is_channel, status_msg;
    int hide_password;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    arg_target = 1;
    arg_text = 2;

    if ((argc >= 5) && (weechat_strcasecmp (argv[1], "-server") == 0))
    {
        ptr_server = irc_server_search (argv[2]);
        ptr_channel = NULL;
        arg_target = 3;
        arg_text = 4;
    }

    IRC_COMMAND_CHECK_SERVER("msg", 1);

    targets = weechat_string_split (argv[arg_target], ",", 0, 0,
                                    &num_targets);
    if (!targets)
        WEECHAT_COMMAND_ERROR;

    for (i = 0; i < num_targets; i++)
    {
        if (strcmp (targets[i], "*") == 0)
        {
            if (!ptr_channel
                || ((ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL)
                    && (ptr_channel->type != IRC_CHANNEL_TYPE_PRIVATE)))
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s%s: \"%s\" command can only be executed in a channel "
                      "or private buffer"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, "msg *");
                return WEECHAT_RC_OK;
            }
            string = irc_color_decode (argv_eol[arg_text],
                                       weechat_config_boolean (irc_config_network_colors_send));
            irc_input_user_message_display (ptr_channel->buffer, 0,
                                            (string) ? string : argv_eol[arg_text]);
            if (string)
                free (string);

            irc_server_sendf (ptr_server,
                              IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "PRIVMSG %s :%s",
                              ptr_channel->name, argv_eol[arg_text]);
        }
        else
        {
            is_channel = 0;
            ptr_channel = NULL;
            status_msg = 0;
            if (irc_server_prefix_char_statusmsg (ptr_server,
                                                  targets[i][0])
                && irc_channel_is_channel (ptr_server, targets[i] + 1))
            {
                ptr_channel = irc_channel_search (ptr_server, targets[i] + 1);
                is_channel = 1;
                status_msg = 1;
            }
            else
            {
                ptr_channel = irc_channel_search (ptr_server, targets[i]);
                if (ptr_channel)
                    is_channel = 1;
            }
            if (is_channel)
            {
                if (ptr_channel)
                {
                    string = irc_color_decode (
                        argv_eol[arg_text],
                        weechat_config_boolean (irc_config_network_colors_send));
                    if (status_msg)
                    {
                        /*
                         * message to channel ops/voiced
                         * (to "@#channel" or "+#channel")
                         */
                        weechat_printf_tags (
                            ptr_channel->buffer,
                            "notify_none,no_highlight",
                            "%s%s%s -> %s%s%s: %s",
                            weechat_prefix ("network"),
                            "Msg",
                            IRC_COLOR_RESET,
                            IRC_COLOR_CHAT_CHANNEL,
                            targets[i],
                            IRC_COLOR_RESET,
                            (string) ? string : argv_eol[arg_text]);
                    }
                    else
                    {
                        /* standard message (to "#channel") */
                        irc_input_user_message_display (
                            ptr_channel->buffer,
                            0,
                            (string) ? string : argv_eol[arg_text]);
                    }
                    if (string)
                        free (string);
                }
                irc_server_sendf (ptr_server,
                                  IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                                  "PRIVMSG %s :%s",
                                  targets[i], argv_eol[arg_text]);
            }
            else
            {
                /* check if the password must be hidden for this nick */
                hide_password = 0;
                if (irc_config_nicks_hide_password)
                {
                    for (j = 0; j < irc_config_num_nicks_hide_password; j++)
                    {
                        if (weechat_strcasecmp (irc_config_nicks_hide_password[j],
                                                targets[i]) == 0)
                        {
                            hide_password = 1;
                            break;
                        }
                    }
                }
                if (hide_password)
                {
                    /* hide password in message displayed using modifier */
                    msg_pwd_hidden = weechat_hook_modifier_exec (
                        "irc_message_auth",
                        ptr_server->name,
                        argv_eol[arg_text]);
                    string = irc_color_decode (
                        (msg_pwd_hidden) ? msg_pwd_hidden : argv_eol[arg_text],
                        weechat_config_boolean (irc_config_network_colors_send));
                    weechat_printf (
                        ptr_server->buffer,
                        "%sMSG%s(%s%s%s)%s: %s",
                        weechat_prefix ("network"),
                        IRC_COLOR_CHAT_DELIMITERS,
                        irc_nick_color_for_msg (ptr_server, 0, NULL,
                                                targets[i]),
                        targets[i],
                        IRC_COLOR_CHAT_DELIMITERS,
                        IRC_COLOR_RESET,
                        (string) ?
                        string : ((msg_pwd_hidden) ?
                                  msg_pwd_hidden : argv_eol[arg_text]));
                    if (string)
                        free (string);
                    if (msg_pwd_hidden)
                        free (msg_pwd_hidden);
                }
                else
                {
                    string = irc_color_decode (
                        argv_eol[arg_text],
                        weechat_config_boolean (irc_config_network_colors_send));
                    ptr_channel = irc_channel_search (ptr_server,
                                                      targets[i]);
                    if (ptr_channel)
                    {
                        irc_input_user_message_display (
                            ptr_channel->buffer,
                            0,
                            (string) ? string : argv_eol[arg_text]);
                    }
                    else
                    {
                        weechat_printf_tags (
                            ptr_server->buffer,
                            irc_protocol_tags (
                                "privmsg", "notify_none,no_highlight",
                                ptr_server->nick, NULL),
                            "%sMSG%s(%s%s%s)%s: %s",
                            weechat_prefix ("network"),
                            IRC_COLOR_CHAT_DELIMITERS,
                            irc_nick_color_for_msg (
                                ptr_server, 0, NULL, targets[i]),
                            targets[i],
                            IRC_COLOR_CHAT_DELIMITERS,
                            IRC_COLOR_RESET,
                            (string) ? string : argv_eol[arg_text]);
                    }
                    if (string)
                        free (string);
                }
                irc_server_sendf (ptr_server,
                                  IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                                  "PRIVMSG %s :%s",
                                  targets[i], argv_eol[arg_text]);
            }
        }
    }

    weechat_string_free_split (targets);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/names": lists nicknames on channels.
 */

int
irc_command_names (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("names", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "NAMES %s", argv_eol[1]);
    }
    else
    {
        if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "names");
            return WEECHAT_RC_OK;
        }
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "NAMES %s", ptr_channel->name);
    }

    return WEECHAT_RC_OK;
}

/*
 * Changes nickname on a server.
 */

void
irc_send_nick_server (struct t_irc_server *server, const char *nickname)
{
    if (!server)
        return;

    if (server->is_connected)
    {
        irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "NICK %s", nickname);
    }
    else
        irc_server_set_nick (server, nickname);
}

/*
 * Callback for command "/nick": changes nickname.
 */

int
irc_command_nick (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("nick", 0);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (argc > 2)
    {
        if (weechat_strcasecmp (argv[1], "-all") != 0)
            WEECHAT_COMMAND_ERROR;
        for (ptr_server = irc_servers; ptr_server;
             ptr_server = ptr_server->next_server)
        {
            irc_send_nick_server (ptr_server, argv[2]);
        }
    }
    else
        irc_send_nick_server (ptr_server, argv[1]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/notice": sends notice message.
 */

int
irc_command_notice (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    char *string, hash_key[32], *str_args;
    int arg_target, arg_text, number, is_channel;
    struct t_irc_channel *ptr_channel;
    struct t_hashtable *hashtable;

    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    arg_target = 1;
    arg_text = 2;
    if ((argc >= 5) && (weechat_strcasecmp (argv[1], "-server") == 0))
    {
        ptr_server = irc_server_search (argv[2]);
        arg_target = 3;
        arg_text = 4;
    }

    IRC_COMMAND_CHECK_SERVER("notice", 1);
    is_channel = 0;
    if (irc_server_prefix_char_statusmsg (ptr_server, argv[arg_target][0])
        && irc_channel_is_channel (ptr_server, argv[arg_target] + 1))
    {
        ptr_channel = irc_channel_search (ptr_server, argv[arg_target] + 1);
        is_channel = 1;
    }
    else
    {
        ptr_channel = irc_channel_search (ptr_server, argv[arg_target]);
        if (ptr_channel)
            is_channel = 1;
    }
    hashtable = irc_server_sendf (
        ptr_server,
        IRC_SERVER_SEND_OUTQ_PRIO_HIGH | IRC_SERVER_SEND_RETURN_HASHTABLE,
        NULL,
        "NOTICE %s :%s",
        argv[arg_target], argv_eol[arg_text]);
    if (hashtable)
    {
        number = 1;
        while (1)
        {
            snprintf (hash_key, sizeof (hash_key), "args%d", number);
            str_args = weechat_hashtable_get (hashtable, hash_key);
            if (!str_args)
                break;
            string = irc_color_decode (
                str_args,
                weechat_config_boolean (irc_config_network_colors_send));
            weechat_printf_tags (
                irc_msgbuffer_get_target_buffer (
                    ptr_server, argv[arg_target], "notice", NULL,
                    (ptr_channel) ? ptr_channel->buffer : NULL),
                "notify_none,no_highlight",
                "%s%s%s%s -> %s%s%s: %s",
                weechat_prefix ("network"),
                IRC_COLOR_NOTICE,
                /* TRANSLATORS: "Notice" is command name in IRC protocol (translation is frequently the same word) */
                _("Notice"),
                IRC_COLOR_RESET,
                (is_channel) ? IRC_COLOR_CHAT_CHANNEL : irc_nick_color_for_msg (ptr_server, 0, NULL, argv[arg_target]),
                argv[arg_target],
                IRC_COLOR_RESET,
                (string) ? string : str_args);
            if (string)
                free (string);
            number++;
        }
        weechat_hashtable_free (hashtable);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/notify": adds or removes notify.
 */

int
irc_command_notify (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    struct t_irc_notify *ptr_notify;
    int i, check_away;

    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;
    (void) buffer;
    (void) argv_eol;

    /* display notify status for users on server */
    if (argc == 1)
    {
        irc_notify_display_list (ptr_server);
        return WEECHAT_RC_OK;
    }

    /* add notify */
    if (weechat_strcasecmp (argv[1], "add") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "add");

        check_away = 0;

        if (argc > 3)
        {
            ptr_server = irc_server_search (argv[3]);
            if (!ptr_server)
            {
                weechat_printf (
                    NULL,
                    _("%s%s: server \"%s\" not found"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, argv[3]);
                return WEECHAT_RC_OK;
            }
        }

        if (!ptr_server)
        {
            weechat_printf (
                NULL,
                _("%s%s: server must be specified because you are not on an "
                  "irc server or channel"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME);
            return WEECHAT_RC_OK;
        }

        if (argc > 4)
        {
            for (i = 4; i < argc; i++)
            {
                if (weechat_strcasecmp (argv[i], "-away") == 0)
                    check_away = 1;
            }
        }

        ptr_notify = irc_notify_search (ptr_server, argv[2]);
        if (ptr_notify)
        {
            weechat_printf (
                NULL,
                _("%s%s: notify already exists"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME);
            return WEECHAT_RC_OK;
        }

        if ((ptr_server->monitor > 0)
            && (ptr_server->notify_count >= ptr_server->monitor))
        {
            weechat_printf (
                ptr_server->buffer,
                _("%sMonitor list is full (%d)"),
                weechat_prefix ("error"), ptr_server->monitor);
            return WEECHAT_RC_OK;
        }

        ptr_notify = irc_notify_new (ptr_server, argv[2], check_away);
        if (ptr_notify)
        {
            irc_notify_set_server_option (ptr_server);
            weechat_printf (
                ptr_server->buffer,
                _("%s: notification added for %s%s%s"),
                IRC_PLUGIN_NAME,
                irc_nick_color_for_msg (ptr_server, 1, NULL, ptr_notify->nick),
                ptr_notify->nick,
                weechat_color ("reset"));
            irc_notify_check_now (ptr_notify);
        }
        else
        {
            weechat_printf (
                NULL,
                _("%s%s: error adding notification"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME);
        }

        return WEECHAT_RC_OK;
    }

    /* delete notify */
    if (weechat_strcasecmp (argv[1], "del") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "del");

        if (argc > 3)
        {
            ptr_server = irc_server_search (argv[3]);
            if (!ptr_server)
            {
                weechat_printf (
                    NULL,
                    _("%s%s: server \"%s\" not found"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, argv[3]);
                return WEECHAT_RC_OK;
            }
        }

        if (!ptr_server)
        {
            weechat_printf (
                NULL,
                _("%s%s: server must be specified because you are not on an "
                  "irc server or channel"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME);
            return WEECHAT_RC_OK;
        }

        if (weechat_strcasecmp (argv[2], "-all") == 0)
        {
            if (ptr_server->notify_list)
            {
                irc_notify_free_all (ptr_server);
                irc_notify_set_server_option (ptr_server);
                weechat_printf (
                    NULL,
                    _("%s: all notifications deleted"),
                    IRC_PLUGIN_NAME);
            }
            else
            {
                weechat_printf (
                    NULL,
                    _("%s: no notification in list"),
                    IRC_PLUGIN_NAME);
            }
        }
        else
        {
            ptr_notify = irc_notify_search (ptr_server, argv[2]);
            if (ptr_notify)
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s: notification deleted for %s%s%s"),
                    IRC_PLUGIN_NAME,
                    irc_nick_color_for_msg (ptr_server, 1, NULL,
                                            ptr_notify->nick),
                    ptr_notify->nick,
                    weechat_color ("reset"));
                irc_notify_free (ptr_server, ptr_notify, 1);
                irc_notify_set_server_option (ptr_server);
            }
            else
            {
                weechat_printf (
                    NULL,
                    _("%s%s: notification not found"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME);
                return WEECHAT_RC_OK;
            }
        }

        return WEECHAT_RC_OK;
    }

    WEECHAT_COMMAND_ERROR;
}

/*
 * Callback for command "/op": gives operator privileges to nickname(s).
 */

int
irc_command_op (void *data, struct t_gui_buffer *buffer, int argc, char **argv,
                char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("op", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: \"%s\" command can only be executed in a channel buffer"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "op");
        return WEECHAT_RC_OK;
    }

    if (argc < 2)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s +o %s",
                          ptr_channel->name,
                          ptr_server->nick);
    }
    else
    {
        irc_command_mode_nicks (ptr_server, ptr_channel,
                                "op", "+", "o", argc, argv);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/oper": gets oper privileges.
 */

int
irc_command_oper (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("oper", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "OPER %s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Sends a part message for a channel.
 */

void
irc_command_part_channel (struct t_irc_server *server, const char *channel_name,
                          const char *part_message)
{
    const char *ptr_arg, *version, *msg_part;
    char *buf;

    msg_part = IRC_SERVER_OPTION_STRING(server,
                                        IRC_SERVER_OPTION_DEFAULT_MSG_PART);
    ptr_arg = (part_message) ? part_message :
        ((msg_part && msg_part[0]) ? msg_part : NULL);

    if (ptr_arg)
    {
        version = weechat_info_get ("version", "");
        buf = weechat_string_replace (ptr_arg, "%v", (version) ? version : "");
        irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "PART %s :%s",
                          channel_name,
                          (buf) ? buf : ptr_arg);
        if (buf)
            free (buf);
    }
    else
    {
        irc_server_sendf (server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "PART %s", channel_name);
    }
}

/*
 * Callback for command "/part": leaves a channel or close a private window.
 */

int
irc_command_part (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    char *channel_name, *pos_args;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("part", 1);

    /* make C compiler happy */
    (void) data;

    if (argc > 1)
    {
        if (irc_channel_is_channel (ptr_server, argv[1]))
        {
            channel_name = argv[1];
            pos_args = argv_eol[2];
        }
        else
        {
            if (!ptr_channel)
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s%s: \"%s\" command can only be executed in a channel "
                      "or private buffer"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, "part");
                return WEECHAT_RC_OK;
            }
            channel_name = ptr_channel->name;
            pos_args = argv_eol[1];
        }
    }
    else
    {
        if (!ptr_channel)
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel or "
                  "private buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "part");
            return WEECHAT_RC_OK;
        }
        if (!ptr_channel->nicks)
        {
            weechat_buffer_close (ptr_channel->buffer);
            return WEECHAT_RC_OK;
        }
        channel_name = ptr_channel->name;
        pos_args = NULL;
    }

    irc_command_part_channel (ptr_server, channel_name, pos_args);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/ping": pings a server.
 */

int
irc_command_ping (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("ping", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "PING %s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/pong": sends pong answer to a daemon.
 */

int
irc_command_pong (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("pong", 0);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "PONG %s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/query": starts private conversation with a nick.
 */

int
irc_command_query (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    char *string, **nicks;
    int i, arg_nick, arg_text, num_nicks;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    arg_nick = 1;
    arg_text = 2;
    if ((argc >= 4) && (weechat_strcasecmp (argv[1], "-server") == 0))
    {
        ptr_server = irc_server_search (argv[2]);
        arg_nick = 3;
        arg_text = 4;
    }

    IRC_COMMAND_CHECK_SERVER("query", 1);

    nicks = weechat_string_split (argv[arg_nick], ",", 0, 0, &num_nicks);
    if (!nicks)
        WEECHAT_COMMAND_ERROR;

    for (i = 0; i < num_nicks; i++)
    {
        /* create private window if not already opened */
        ptr_channel = irc_channel_search (ptr_server, nicks[i]);
        if (!ptr_channel)
        {
            ptr_channel = irc_channel_new (ptr_server,
                                           IRC_CHANNEL_TYPE_PRIVATE,
                                           nicks[i], 1, 0);
            if (!ptr_channel)
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s%s: cannot create new private buffer \"%s\""),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, nicks[i]);
            }
        }

        if (ptr_channel)
        {
            /* switch to buffer */
            weechat_buffer_set (ptr_channel->buffer, "display", "1");

            /* display text if given */
            if (argv_eol[arg_text])
            {
                string = irc_color_decode (argv_eol[arg_text],
                                           weechat_config_boolean (irc_config_network_colors_send));
                irc_input_user_message_display (ptr_channel->buffer, 0,
                                                (string) ? string : argv_eol[arg_text]);
                if (string)
                    free (string);
                irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH,
                                  NULL,
                                  "PRIVMSG %s :%s",
                                  nicks[i], argv_eol[arg_text]);
            }
        }
    }

    weechat_string_free_split (nicks);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/quiet": quiets nicks or hosts.
 */

int
irc_command_quiet (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    char *pos_channel;
    int pos_args;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("quiet", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (argc > 1)
    {
        if (irc_channel_is_channel (ptr_server, argv[1]))
        {
            pos_channel = argv[1];
            pos_args = 2;
        }
        else
        {
            pos_channel = NULL;
            pos_args = 1;
        }

        /* channel not given, use default buffer */
        if (!pos_channel)
        {
            if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
                pos_channel = ptr_channel->name;
            else
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s%s: \"%s\" command can only be executed in a channel "
                      "buffer"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, "quiet");
                return WEECHAT_RC_OK;
            }
        }

        if (argv[pos_args])
        {
            /* loop on users */
            while (argv[pos_args])
            {
                irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                                  "MODE %s +q %s",
                                  pos_channel, argv[pos_args]);
                pos_args++;
            }
        }
        else
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "MODE %s +q",
                              pos_channel);
        }
    }
    else
    {
        if (!ptr_channel)
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "quiet");
            return WEECHAT_RC_OK;
        }
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s +q", ptr_channel->name);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/quote": sends raw data to server.
 */

int
irc_command_quote (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if ((argc >= 4) && (weechat_strcasecmp (argv[1], "-server") == 0))
    {
        ptr_server = irc_server_search (argv[2]);
        if (!ptr_server || (ptr_server->sock < 0))
            WEECHAT_COMMAND_ERROR;
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "%s", argv_eol[3]);
    }
    else
    {
        if (!ptr_server || (ptr_server->sock < 0))
            WEECHAT_COMMAND_ERROR;
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "%s", argv_eol[1]);
    }

    return WEECHAT_RC_OK;
}

/*
 * Reconnects to a server.
 *
 * Returns:
 *   1: OK
 *   0: error
 */

int
irc_command_reconnect_one_server (struct t_irc_server *server,
                                  int switch_address, int no_join)
{
    int switch_done;

    if (!server)
        return 0;

    switch_done = 0;

    if ((server->is_connected) || (server->hook_connect) || (server->hook_fd))
    {
        /* disconnect from server */
        irc_command_quit_server (server, NULL);
        irc_server_disconnect (server, switch_address, 0);
        switch_done = 1;
    }

    if (switch_address && !switch_done)
        irc_server_switch_address (server, 0);

    server->disable_autojoin = no_join;

    if (irc_server_connect (server))
    {
        server->reconnect_delay = 0;
        server->reconnect_start = 0;
        server->reconnect_join = (server->channels) ? 1 : 0;
    }

    /* reconnect OK */
    return 1;
}

/*
 * Callback for command "/reconnect": reconnects to server(s).
 */

int
irc_command_reconnect (void *data, struct t_gui_buffer *buffer, int argc,
                       char **argv, char **argv_eol)
{
    int i, nb_reconnect, reconnect_ok, all_servers, switch_address, no_join;

    IRC_BUFFER_GET_SERVER(buffer);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    reconnect_ok = 1;

    all_servers = 0;
    switch_address = 0;
    no_join = 0;
    for (i = 1; i < argc; i++)
    {
        if (weechat_strcasecmp (argv[i], "-all") == 0)
            all_servers = 1;
        else if (weechat_strcasecmp (argv[i], "-switch") == 0)
            switch_address = 1;
        else if (weechat_strcasecmp (argv[i], "-nojoin") == 0)
            no_join = 1;
    }

    if (all_servers)
    {
        for (ptr_server = irc_servers; ptr_server;
             ptr_server = ptr_server->next_server)
        {
            if (ptr_server->buffer)
            {
                if (!irc_command_reconnect_one_server (ptr_server,
                                                       switch_address,
                                                       no_join))
                {
                    reconnect_ok = 0;
                }
            }
        }
    }
    else
    {
        nb_reconnect = 0;
        for (i = 1; i < argc; i++)
        {
            if (argv[i][0] != '-')
            {
                nb_reconnect++;
                ptr_server = irc_server_search (argv[i]);
                if (ptr_server)
                {
                    if (ptr_server->buffer)
                    {
                        if (!irc_command_reconnect_one_server (ptr_server,
                                                               switch_address,
                                                               no_join))
                        {
                            reconnect_ok = 0;
                        }
                    }
                }
                else
                {
                    weechat_printf (
                        NULL,
                        _("%s%s: server \"%s\" not found"),
                        weechat_prefix ("error"), IRC_PLUGIN_NAME, argv[i]);
                    reconnect_ok = 0;
                }
            }
        }
        if (nb_reconnect == 0)
        {
            reconnect_ok = irc_command_reconnect_one_server (ptr_server,
                                                             switch_address,
                                                             no_join);
        }
    }

    return (reconnect_ok) ? WEECHAT_RC_OK : WEECHAT_RC_ERROR;
}

/*
 * Callback for command "/rehash": tells the server to reload its config file.
 */

int
irc_command_rehash (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("rehash", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "REHASH %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "REHASH");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/remove": remove a user from a channel.
 */

int
irc_command_remove (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    const char *ptr_channel_name;
    char *msg_vars_replaced;
    int index_nick;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("remove", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    ptr_channel_name = (ptr_channel) ? ptr_channel->name : NULL;
    index_nick = 1;

    if (irc_channel_is_channel (ptr_server, argv[1]))
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "");
        ptr_channel_name = argv[1];
        index_nick = 2;
    }

    if (!ptr_channel_name)
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: \"%s\" command can only be executed in a channel buffer"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "remove");
        return WEECHAT_RC_OK;
    }

    if (argc > index_nick + 1)
    {
        msg_vars_replaced = irc_message_replace_vars (ptr_server,
                                                      ptr_channel_name,
                                                      argv_eol[index_nick + 1]);
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "REMOVE %s %s :%s",
                          ptr_channel_name,
                          argv[index_nick],
                          (msg_vars_replaced) ? msg_vars_replaced : argv_eol[index_nick + 1]);
        if (msg_vars_replaced)
            free (msg_vars_replaced);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "REMOVE %s %s",
                          ptr_channel_name,
                          argv[index_nick]);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/restart": tells the server to restart itself.
 */

int
irc_command_restart (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("restart", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "RESTART %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "RESTART");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/sajoin": forces a user to join channel(s).
 */

int
irc_command_sajoin (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("sajoin", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "SAJOIN %s %s", argv[1], argv_eol[2]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/samode": changes mode on channel, without having
 * operator status.
 */

int
irc_command_samode (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("samode", 1);

    /* make C compiler happy */
    (void) data;

    if (argc > 1)
    {
        if ((argv[1][0] == '+') || (argv[1][0] == '-'))
        {
            /* channel not specified, check we are on channel and use it */
            if (!ptr_channel)
            {
                weechat_printf (
                    ptr_server->buffer,
                    _("%s%s: you must specify channel for \"%s\" command if "
                      "you're not in a channel"),
                    weechat_prefix ("error"), IRC_PLUGIN_NAME, "samode");
                return WEECHAT_RC_OK;
            }
            irc_command_mode_server (ptr_server, "SAMODE", ptr_channel,
                                     argv_eol[1],
                                     IRC_SERVER_SEND_OUTQ_PRIO_HIGH);
        }
        else
        {
            /* user gives channel, use arguments as-is */
            irc_command_mode_server (ptr_server, "SAMODE", NULL, argv_eol[1],
                                     IRC_SERVER_SEND_OUTQ_PRIO_HIGH);
        }
    }
    else
    {
        if (ptr_channel)
        {
            irc_command_mode_server (ptr_server, "SAMODE", ptr_channel, NULL,
                                     IRC_SERVER_SEND_OUTQ_PRIO_HIGH);
        }
        else
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: you must specify channel for \"%s\" command if "
                  "you're not in a channel"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "samode");
            return WEECHAT_RC_OK;
        }
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/sanick": forces a user to use another nick.
 */

int
irc_command_sanick (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("sanick", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "SANICK %s %s", argv[1], argv_eol[2]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/sapart": forces a user to leave channel(s).
 */

int
irc_command_sapart (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("sapart", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "SAPART %s %s", argv[1], argv_eol[2]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/saquit": forces a user to quit server with a reason.
 */

int
irc_command_saquit (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("saquit", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(3, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "SAQUIT %s :%s", argv[1], argv_eol[2]);

    return WEECHAT_RC_OK;
}

/*
 * Displays server options.
 */

void
irc_command_display_server (struct t_irc_server *server, int with_detail)
{
    char *cmd_pwd_hidden;
    int num_channels, num_pv;

    if (with_detail)
    {
        weechat_printf (NULL, "");
        weechat_printf (NULL, _("Server: %s%s %s[%s%s%s]%s%s"),
                        IRC_COLOR_CHAT_SERVER,
                        server->name,
                        IRC_COLOR_CHAT_DELIMITERS,
                        IRC_COLOR_RESET,
                        (server->is_connected) ?
                        _("connected") : _("not connected"),
                        IRC_COLOR_CHAT_DELIMITERS,
                        IRC_COLOR_RESET,
                        (server->temp_server) ? _(" (temporary)") : "");
        /* addresses */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_ADDRESSES]))
            weechat_printf (NULL, "  addresses. . . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_ADDRESSES));
        else
            weechat_printf (NULL, "  addresses. . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_ADDRESSES]));
        /* proxy */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_PROXY]))
            weechat_printf (NULL, "  proxy. . . . . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_PROXY));
        else
            weechat_printf (NULL, "  proxy. . . . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_PROXY]));
        /* ipv6 */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_IPV6]))
            weechat_printf (NULL, "  ipv6 . . . . . . . . :   (%s)",
                            (IRC_SERVER_OPTION_BOOLEAN(server, IRC_SERVER_OPTION_IPV6)) ?
                            _("on") : _("off"));
        else
            weechat_printf (NULL, "  ipv6 . . . . . . . . : %s%s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_boolean (server->options[IRC_SERVER_OPTION_IPV6]) ?
                            _("on") : _("off"));
        /* ssl */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SSL]))
            weechat_printf (NULL, "  ssl. . . . . . . . . :   (%s)",
                            (IRC_SERVER_OPTION_BOOLEAN(server, IRC_SERVER_OPTION_SSL)) ?
                            _("on") : _("off"));
        else
            weechat_printf (NULL, "  ssl. . . . . . . . . : %s%s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_boolean (server->options[IRC_SERVER_OPTION_SSL]) ?
                            _("on") : _("off"));
        /* ssl_cert */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SSL_CERT]))
            weechat_printf (NULL, "  ssl_cert . . . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_SSL_CERT));
        else
            weechat_printf (NULL, "  ssl_cert . . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_SSL_CERT]));
        /* ssl_priorities */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SSL_PRIORITIES]))
            weechat_printf (NULL, "  ssl_priorities . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_SSL_PRIORITIES));
        else
            weechat_printf (NULL, "  ssl_priorities . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_SSL_PRIORITIES]));
        /* ssl_dhkey_size */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SSL_DHKEY_SIZE]))
            weechat_printf (NULL, "  ssl_dhkey_size . . . :   (%d)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_SSL_DHKEY_SIZE));
        else
            weechat_printf (NULL, "  ssl_dhkey_size . . . : %s%d",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_SSL_DHKEY_SIZE]));
        /* ssl_fingerprint */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SSL_FINGERPRINT]))
            weechat_printf (NULL, "  ssl_fingerprint. . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_SSL_FINGERPRINT));
        else
            weechat_printf (NULL, "  ssl_fingerprint. . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_SSL_FINGERPRINT]));
        /* ssl_verify */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SSL_VERIFY]))
            weechat_printf (NULL, "  ssl_verify . . . . . :   (%s)",
                            (IRC_SERVER_OPTION_BOOLEAN(server, IRC_SERVER_OPTION_SSL_VERIFY)) ?
                            _("on") : _("off"));
        else
            weechat_printf (NULL, "  ssl_verify . . . . . : %s%s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_boolean (server->options[IRC_SERVER_OPTION_SSL_VERIFY]) ?
                            _("on") : _("off"));
        /* password */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_PASSWORD]))
            weechat_printf (NULL, "  password . . . . . . :   %s",
                            _("(hidden)"));
        else
            weechat_printf (NULL, "  password . . . . . . : %s%s",
                            IRC_COLOR_CHAT_VALUE,
                            _("(hidden)"));
        /* client capabilities */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_CAPABILITIES]))
            weechat_printf (NULL, "  capabilities . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_CAPABILITIES));
        else
            weechat_printf (NULL, "  capabilities . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_CAPABILITIES]));
        /* sasl_mechanism */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SASL_MECHANISM]))
            weechat_printf (NULL, "  sasl_mechanism . . . :   ('%s')",
                            irc_sasl_mechanism_string[IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_SASL_MECHANISM)]);
        else
            weechat_printf (NULL, "  sasl_mechanism . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            irc_sasl_mechanism_string[weechat_config_integer (server->options[IRC_SERVER_OPTION_SASL_MECHANISM])]);
        /* sasl_username */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SASL_USERNAME]))
            weechat_printf (NULL, "  sasl_username. . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_SASL_USERNAME));
        else
            weechat_printf (NULL, "  sasl_username. . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_SASL_USERNAME]));
        /* sasl_password */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SASL_PASSWORD]))
            weechat_printf (NULL, "  sasl_password. . . . :   %s",
                            _("(hidden)"));
        else
            weechat_printf (NULL, "  sasl_password. . . . : %s%s",
                            IRC_COLOR_CHAT_VALUE,
                            _("(hidden)"));
        /* sasl_timeout */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SASL_TIMEOUT]))
            weechat_printf (NULL, "  sasl_timeout . . . . :   (%d %s)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_SASL_TIMEOUT),
                            NG_("second", "seconds", IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_SASL_TIMEOUT)));
        else
            weechat_printf (NULL, "  sasl_timeout . . . . : %s%d %s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_SASL_TIMEOUT]),
                            NG_("second", "seconds", weechat_config_integer (server->options[IRC_SERVER_OPTION_SASL_TIMEOUT])));
        /* sasl_fail */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_SASL_FAIL]))
            weechat_printf (NULL, "  sasl_fail. . . . . . :   ('%s')",
                            irc_server_sasl_fail_string[IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_SASL_FAIL)]);
        else
            weechat_printf (NULL, "  sasl_fail. . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            irc_server_sasl_fail_string[weechat_config_integer (server->options[IRC_SERVER_OPTION_SASL_FAIL])]);
        /* autoconnect */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_AUTOCONNECT]))
            weechat_printf (NULL, "  autoconnect. . . . . :   (%s)",
                            (IRC_SERVER_OPTION_BOOLEAN(server, IRC_SERVER_OPTION_AUTOCONNECT)) ?
                            _("on") : _("off"));
        else
            weechat_printf (NULL, "  autoconnect. . . . . : %s%s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_boolean (server->options[IRC_SERVER_OPTION_AUTOCONNECT]) ?
                            _("on") : _("off"));
        /* autoreconnect */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_AUTORECONNECT]))
            weechat_printf (NULL, "  autoreconnect. . . . :   (%s)",
                            (IRC_SERVER_OPTION_BOOLEAN(server, IRC_SERVER_OPTION_AUTORECONNECT)) ?
                            _("on") : _("off"));
        else
            weechat_printf (NULL, "  autoreconnect. . . . : %s%s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_boolean (server->options[IRC_SERVER_OPTION_AUTORECONNECT]) ?
                            _("on") : _("off"));
        /* autoreconnect_delay */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_AUTORECONNECT_DELAY]))
            weechat_printf (NULL, "  autoreconnect_delay. :   (%d %s)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_AUTORECONNECT_DELAY),
                            NG_("second", "seconds", IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_AUTORECONNECT_DELAY)));
        else
            weechat_printf (NULL, "  autoreconnect_delay. : %s%d %s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_AUTORECONNECT_DELAY]),
                            NG_("second", "seconds", weechat_config_integer (server->options[IRC_SERVER_OPTION_AUTORECONNECT_DELAY])));
        /* nicks */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_NICKS]))
            weechat_printf (NULL, "  nicks. . . . . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_NICKS));
        else
            weechat_printf (NULL, "  nicks. . . . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_NICKS]));
        /* username */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_USERNAME]))
            weechat_printf (NULL, "  username . . . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_USERNAME));
        else
            weechat_printf (NULL, "  username . . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_USERNAME]));
        /* realname */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_REALNAME]))
            weechat_printf (NULL, "  realname . . . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_REALNAME));
        else
            weechat_printf (NULL, "  realname . . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_REALNAME]));
        /* local_hostname */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_LOCAL_HOSTNAME]))
            weechat_printf (NULL, "  local_hostname . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_LOCAL_HOSTNAME));
        else
            weechat_printf (NULL, "  local_hostname . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_LOCAL_HOSTNAME]));
        /* command */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_COMMAND]))
        {
            cmd_pwd_hidden = weechat_hook_modifier_exec ("irc_command_auth",
                                                         server->name,
                                                         IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_COMMAND));
            weechat_printf (NULL, "  command. . . . . . . :   ('%s')",
                            (cmd_pwd_hidden) ? cmd_pwd_hidden : IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_COMMAND));
            if (cmd_pwd_hidden)
                free (cmd_pwd_hidden);
        }
        else
        {
            cmd_pwd_hidden = weechat_hook_modifier_exec ("irc_command_auth",
                                                         server->name,
                                                         weechat_config_string (server->options[IRC_SERVER_OPTION_COMMAND]));
            weechat_printf (NULL, "  command. . . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            (cmd_pwd_hidden) ? cmd_pwd_hidden : weechat_config_string (server->options[IRC_SERVER_OPTION_COMMAND]));
            if (cmd_pwd_hidden)
                free (cmd_pwd_hidden);
        }
        /* command_delay */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_COMMAND_DELAY]))
            weechat_printf (NULL, "  command_delay. . . . :   (%d %s)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_COMMAND_DELAY),
                            NG_("second", "seconds", IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_COMMAND_DELAY)));
        else
            weechat_printf (NULL, "  command_delay. . . . : %s%d %s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_COMMAND_DELAY]),
                            NG_("second", "seconds", weechat_config_integer (server->options[IRC_SERVER_OPTION_COMMAND_DELAY])));
        /* autojoin */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_AUTOJOIN]))
            weechat_printf (NULL, "  autojoin . . . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_AUTOJOIN));
        else
            weechat_printf (NULL, "  autojoin . . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_AUTOJOIN]));
        /* autorejoin */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_AUTOREJOIN]))
            weechat_printf (NULL, "  autorejoin . . . . . :   (%s)",
                            (IRC_SERVER_OPTION_BOOLEAN(server, IRC_SERVER_OPTION_AUTOREJOIN)) ?
                            _("on") : _("off"));
        else
            weechat_printf (NULL, "  autorejoin . . . . . : %s%s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_boolean (server->options[IRC_SERVER_OPTION_AUTOREJOIN]) ?
                            _("on") : _("off"));
        /* autorejoin_delay */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_AUTOREJOIN_DELAY]))
            weechat_printf (NULL, "  autorejoin_delay . . :   (%d %s)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_AUTOREJOIN_DELAY),
                            NG_("second", "seconds", IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_AUTOREJOIN_DELAY)));
        else
            weechat_printf (NULL, "  autorejoin_delay . . : %s%d %s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_AUTOREJOIN_DELAY]),
                            NG_("second", "seconds", weechat_config_integer (server->options[IRC_SERVER_OPTION_AUTOREJOIN_DELAY])));
        /* connection_timeout */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_CONNECTION_TIMEOUT]))
            weechat_printf (NULL, "  connection_timeout . :   (%d %s)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_CONNECTION_TIMEOUT),
                            NG_("second", "seconds", IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_CONNECTION_TIMEOUT)));
        else
            weechat_printf (NULL, "  connection_timeout . : %s%d %s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_CONNECTION_TIMEOUT]),
                            NG_("second", "seconds", weechat_config_integer (server->options[IRC_SERVER_OPTION_CONNECTION_TIMEOUT])));
        /* anti_flood_prio_high */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_HIGH]))
            weechat_printf (NULL, "  anti_flood_prio_high :   (%d %s)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_HIGH),
                            NG_("second", "seconds", IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_HIGH)));
        else
            weechat_printf (NULL, "  anti_flood_prio_high : %s%d %s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_HIGH]),
                            NG_("second", "seconds", weechat_config_integer (server->options[IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_HIGH])));
        /* anti_flood_prio_low */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_LOW]))
            weechat_printf (NULL, "  anti_flood_prio_low. :   (%d %s)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_LOW),
                            NG_("second", "seconds", IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_LOW)));
        else
            weechat_printf (NULL, "  anti_flood_prio_low. : %s%d %s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_LOW]),
                            NG_("second", "seconds", weechat_config_integer (server->options[IRC_SERVER_OPTION_ANTI_FLOOD_PRIO_LOW])));
        /* away_check */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_AWAY_CHECK]))
            weechat_printf (NULL, "  away_check . . . . . :   (%d %s)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_AWAY_CHECK),
                            NG_("minute", "minutes", IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_AWAY_CHECK)));
        else
            weechat_printf (NULL, "  away_check . . . . . : %s%d %s",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_AWAY_CHECK]),
                            NG_("minute", "minutes", weechat_config_integer (server->options[IRC_SERVER_OPTION_AWAY_CHECK])));
        /* away_check_max_nicks */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_AWAY_CHECK_MAX_NICKS]))
            weechat_printf (NULL, "  away_check_max_nicks :   (%d)",
                            IRC_SERVER_OPTION_INTEGER(server, IRC_SERVER_OPTION_AWAY_CHECK_MAX_NICKS));
        else
            weechat_printf (NULL, "  away_check_max_nicks : %s%d",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_integer (server->options[IRC_SERVER_OPTION_AWAY_CHECK_MAX_NICKS]));
        /* default_msg_kick */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_DEFAULT_MSG_KICK]))
            weechat_printf (NULL, "  default_msg_kick . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_DEFAULT_MSG_KICK));
        else
            weechat_printf (NULL, "  default_msg_kick . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_DEFAULT_MSG_KICK]));
        /* default_msg_part */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_DEFAULT_MSG_PART]))
            weechat_printf (NULL, "  default_msg_part . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_DEFAULT_MSG_PART));
        else
            weechat_printf (NULL, "  default_msg_part . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_DEFAULT_MSG_PART]));
        /* default_msg_quit */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_DEFAULT_MSG_QUIT]))
            weechat_printf (NULL, "  default_msg_quit . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_DEFAULT_MSG_QUIT));
        else
            weechat_printf (NULL, "  default_msg_quit . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_DEFAULT_MSG_QUIT]));
        /* notify */
        if (weechat_config_option_is_null (server->options[IRC_SERVER_OPTION_NOTIFY]))
            weechat_printf (NULL, "  notify . . . . . . . :   ('%s')",
                            IRC_SERVER_OPTION_STRING(server, IRC_SERVER_OPTION_NOTIFY));
        else
            weechat_printf (NULL, "  notify . . . . . . . : %s'%s'",
                            IRC_COLOR_CHAT_VALUE,
                            weechat_config_string (server->options[IRC_SERVER_OPTION_NOTIFY]));
    }
    else
    {
        if (server->is_connected)
        {
            num_channels = irc_server_get_channel_count (server);
            num_pv = irc_server_get_pv_count (server);
            weechat_printf (
                NULL,
                " %s %s%s %s[%s%s%s]%s%s, %d %s, %d pv",
                (server->is_connected) ? "*" : " ",
                IRC_COLOR_CHAT_SERVER,
                server->name,
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_RESET,
                (server->is_connected) ?
                _("connected") : _("not connected"),
                IRC_COLOR_CHAT_DELIMITERS,
                IRC_COLOR_RESET,
                (server->temp_server) ? _(" (temporary)") : "",
                num_channels,
                NG_("channel", "channels", num_channels),
                num_pv);
        }
        else
        {
            weechat_printf (
                NULL,
                "   %s%s%s%s",
                IRC_COLOR_CHAT_SERVER,
                server->name,
                IRC_COLOR_RESET,
                (server->temp_server) ? _(" (temporary)") : "");
        }
    }
}

/*
 * Callback for command "/server": manages IRC servers.
 */

int
irc_command_server (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    int i, detailed_list, one_server_found, length, count;
    struct t_irc_server *ptr_server2, *server_found, *new_server;
    char *server_name, *message;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);

    /* make C compiler happy */
    (void) data;
    (void) buffer;

    if ((argc == 1)
        || (weechat_strcasecmp (argv[1], "list") == 0)
        || (weechat_strcasecmp (argv[1], "listfull") == 0))
    {
        /* list servers */
        server_name = NULL;
        detailed_list = 0;
        for (i = 1; i < argc; i++)
        {
            if (weechat_strcasecmp (argv[i], "list") == 0)
                continue;
            if (weechat_strcasecmp (argv[i], "listfull") == 0)
            {
                detailed_list = 1;
                continue;
            }
            if (!server_name)
                server_name = argv[i];
        }
        if (!server_name)
        {
            if (irc_servers)
            {
                weechat_printf (NULL, "");
                weechat_printf (NULL, _("All servers:"));
                for (ptr_server2 = irc_servers; ptr_server2;
                     ptr_server2 = ptr_server2->next_server)
                {
                    irc_command_display_server (ptr_server2, detailed_list);
                }
            }
            else
                weechat_printf (NULL, _("No server"));
        }
        else
        {
            one_server_found = 0;
            for (ptr_server2 = irc_servers; ptr_server2;
                 ptr_server2 = ptr_server2->next_server)
            {
                if (weechat_strcasestr (ptr_server2->name, server_name))
                {
                    if (!one_server_found)
                    {
                        weechat_printf (NULL, "");
                        weechat_printf (NULL,
                                        _("Servers with \"%s\":"),
                                        server_name);
                    }
                    one_server_found = 1;
                    irc_command_display_server (ptr_server2, detailed_list);
                }
            }
            if (!one_server_found)
                weechat_printf (NULL,
                                _("No server found with \"%s\""),
                                server_name);
        }
        return WEECHAT_RC_OK;
    }

    if (weechat_strcasecmp (argv[1], "add") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(4, "add");
        ptr_server2 = irc_server_casesearch (argv[2]);
        if (ptr_server2)
        {
            weechat_printf (
                NULL,
                _("%s%s: server \"%s\" already exists, can't create it!"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, ptr_server2->name);
            return WEECHAT_RC_OK;
        }

        new_server = irc_server_alloc (argv[2]);
        if (!new_server)
        {
            weechat_printf (
                NULL,
                _("%s%s: unable to create server"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME);
            return WEECHAT_RC_OK;
        }

        weechat_config_option_set (
            new_server->options[IRC_SERVER_OPTION_ADDRESSES], argv[3], 1);
        irc_server_apply_command_line_options (new_server, argc, argv);

        weechat_printf (
            NULL,
            _("%s: server %s%s%s created"),
            IRC_PLUGIN_NAME,
            IRC_COLOR_CHAT_SERVER,
            new_server->name,
            IRC_COLOR_RESET);

        /* do not connect to server after creating it */
        /*
        if (IRC_SERVER_OPTION_BOOLEAN(new_server, IRC_SERVER_OPTION_AUTOCONNECT))
            irc_server_connect (new_server);
        */

        return WEECHAT_RC_OK;
    }

    if (weechat_strcasecmp (argv[1], "copy") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(4, "copy");

        /* look for server by name */
        server_found = irc_server_search (argv[2]);
        if (!server_found)
        {
            weechat_printf (
                NULL,
                _("%s%s: server \"%s\" not found for \"%s\" command"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME,
                argv[2], "server copy");
            return WEECHAT_RC_OK;
        }

        /* check if target name already exists */
        ptr_server2 = irc_server_casesearch (argv[3]);
        if (ptr_server2)
        {
            weechat_printf (
                NULL,
                _("%s%s: server \"%s\" already exists for \"%s\" command"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME,
                ptr_server2->name, "server copy");
            return WEECHAT_RC_OK;
        }

        /* copy server */
        new_server = irc_server_copy (server_found, argv[3]);
        if (new_server)
        {
            weechat_printf (
                NULL,
                _("%s: server %s%s%s has been copied to %s%s%s"),
                IRC_PLUGIN_NAME,
                IRC_COLOR_CHAT_SERVER,
                argv[2],
                IRC_COLOR_RESET,
                IRC_COLOR_CHAT_SERVER,
                argv[3],
                IRC_COLOR_RESET);
            return WEECHAT_RC_OK;
        }

        WEECHAT_COMMAND_ERROR;
    }

    if (weechat_strcasecmp (argv[1], "rename") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(4, "rename");

        /* look for server by name */
        server_found = irc_server_search (argv[2]);
        if (!server_found)
        {
            weechat_printf (
                NULL,
                _("%s%s: server \"%s\" not found for \"%s\" command"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME,
                argv[2], "server rename");
            return WEECHAT_RC_OK;
        }

        /* check if target name already exists */
        ptr_server2 = irc_server_casesearch (argv[3]);
        if (ptr_server2)
        {
            weechat_printf (
                NULL,
                _("%s%s: server \"%s\" already exists for \"%s\" command"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME,
                ptr_server2->name, "server rename");
            return WEECHAT_RC_OK;
        }

        /* rename server */
        if (irc_server_rename (server_found, argv[3]))
        {
            weechat_printf (
                NULL,
                _("%s: server %s%s%s has been renamed to %s%s%s"),
                IRC_PLUGIN_NAME,
                IRC_COLOR_CHAT_SERVER,
                argv[2],
                IRC_COLOR_RESET,
                IRC_COLOR_CHAT_SERVER,
                argv[3],
                IRC_COLOR_RESET);
            return WEECHAT_RC_OK;
        }

        WEECHAT_COMMAND_ERROR;
    }

    if (weechat_strcasecmp (argv[1], "reorder") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "reorder");

        count = irc_server_reorder (((const char **)argv) + 2, argc - 2);
        weechat_printf (NULL,
                        NG_("%d server moved", "%d servers moved", count),
                        count);

        return WEECHAT_RC_OK;
    }

    if (weechat_strcasecmp (argv[1], "keep") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "keep");

        /* look for server by name */
        server_found = irc_server_search (argv[2]);
        if (!server_found)
        {
            weechat_printf (
                NULL,
                _("%s%s: server \"%s\" not found for \"%s\" command"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME,
                argv[2], "server keep");
            return WEECHAT_RC_OK;
        }

        /* check that is it temporary server */
        if (!server_found->temp_server)
        {
            weechat_printf (
                NULL,
                _("%s%s: server \"%s\" is not a temporary server"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME,
                argv[2], "server keep");
            return WEECHAT_RC_OK;
        }

        /* remove temporary flag on server */
        server_found->temp_server = 0;

        weechat_printf (
            NULL,
            _("%s: server %s%s%s is not temporary any more"),
            IRC_PLUGIN_NAME,
            IRC_COLOR_CHAT_SERVER,
            argv[2],
            IRC_COLOR_RESET);

        return WEECHAT_RC_OK;
    }

    if (weechat_strcasecmp (argv[1], "del") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "del");

        /* look for server by name */
        server_found = irc_server_search (argv[2]);
        if (!server_found)
        {
            weechat_printf (
                NULL,
                _("%s%s: server \"%s\" not found for \"%s\" command"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME,
                argv[2], "server del");
            return WEECHAT_RC_OK;
        }
        if (server_found->is_connected)
        {
            weechat_printf (
                NULL,
                _("%s%s: you can not delete server \"%s\" because you are "
                  "connected to. Try \"/disconnect %s\" before."),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, argv[2], argv[2]);
            return WEECHAT_RC_OK;
        }

        server_name = strdup (server_found->name);
        irc_server_free (server_found);
        weechat_printf (
            NULL,
            _("%s: server %s%s%s has been deleted"),
            IRC_PLUGIN_NAME,
            IRC_COLOR_CHAT_SERVER,
            (server_name) ? server_name : "???",
            IRC_COLOR_RESET);
        if (server_name)
            free (server_name);

        return WEECHAT_RC_OK;
    }

    if (weechat_strcasecmp (argv[1], "deloutq") == 0)
    {
        for (ptr_server2 = irc_servers; ptr_server2;
             ptr_server2 = ptr_server2->next_server)
        {
            for (i = 0; i < IRC_SERVER_NUM_OUTQUEUES_PRIO; i++)
            {
                irc_server_outqueue_free_all (ptr_server2, i);
            }
        }
        weechat_printf (
            NULL,
            _("%s: messages outqueue DELETED for all servers. Some messages "
              "from you or WeeChat may have been lost!"),
            IRC_PLUGIN_NAME);
        return WEECHAT_RC_OK;
    }

    if (weechat_strcasecmp (argv[1], "raw") == 0)
    {
        irc_raw_open (1);
        return WEECHAT_RC_OK;
    }

    if (weechat_strcasecmp (argv[1], "jump") == 0)
    {
        if (ptr_server && ptr_server->buffer)
            weechat_buffer_set (ptr_server->buffer, "display", "1");
        return WEECHAT_RC_OK;
    }

    if (weechat_strcasecmp (argv[1], "fakerecv") == 0)
    {
        WEECHAT_COMMAND_MIN_ARGS(3, "fakerecv");
        IRC_COMMAND_CHECK_SERVER("server fakerecv", 1);
        length = strlen (argv_eol[2]);
        if (length > 0)
        {
            /* allocate length + 2 (CR-LF) + 1 (final '\0') */
            message = malloc (length + 2 + 1);
            if (message)
            {
                strcpy (message, argv_eol[2]);
                strcat (message, "\r\n");
                irc_server_msgq_add_buffer (ptr_server, message);
                irc_server_msgq_flush ();
                free (message);
            }
        }
        return WEECHAT_RC_OK;
    }

    WEECHAT_COMMAND_ERROR;
}

/*
 * Callback for command "/service": registers a new service.
 */

int
irc_command_service (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("service", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "SERVICE %s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/servlist": lists services currently connected to the
 * network.
 */

int
irc_command_servlist (void *data, struct t_gui_buffer *buffer, int argc,
                      char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("servlist", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "SERVLIST %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "SERVLIST");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/squery": delivers a message to a service.
 */

int
irc_command_squery (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("squery", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (argc > 2)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "SQUERY %s :%s", argv[1], argv_eol[2]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "SQUERY %s", argv_eol[1]);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/squit": disconnects server links.
 */

int
irc_command_squit (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("squit", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, 0, NULL, "SQUIT %s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/stats": queries statistics about server.
 */

int
irc_command_stats (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("stats", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "STATS %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "STATS");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/summon": gives users who are on a host running an IRC
 * server a message asking them to please join IRC.
 */

int
irc_command_summon (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("summon", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "SUMMON %s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/time": queries local time from server.
 */

int
irc_command_time (void *data, struct t_gui_buffer *buffer, int argc,
                  char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("time", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "TIME %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "TIME");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/topic": gets/sets topic for a channel.
 */

int
irc_command_topic (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    char *channel_name, *new_topic, *new_topic_color;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("topic", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    channel_name = NULL;
    new_topic = NULL;

    if (argc > 1)
    {
        if (irc_channel_is_channel (ptr_server, argv[1]))
        {
            channel_name = argv[1];
            new_topic = argv_eol[2];
        }
        else
            new_topic = argv_eol[1];
    }

    /* look for current channel if not specified */
    if (!channel_name)
    {
        if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
        {
            channel_name = ptr_channel->name;
        }
        else
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "topic");
            return WEECHAT_RC_OK;
        }
    }

    if (new_topic)
    {
        if (weechat_strcasecmp (new_topic, "-delete") == 0)
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "TOPIC %s :", channel_name);
        }
        else
        {
            new_topic_color = irc_color_encode (
                new_topic,
                weechat_config_boolean (irc_config_network_colors_send));
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "TOPIC %s :%s",
                              channel_name,
                              (new_topic_color) ? new_topic_color : new_topic);
            if (new_topic_color)
                free (new_topic_color);
        }
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "TOPIC %s", channel_name);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/trace": finds the route to specific server.
 */

int
irc_command_trace (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("trace", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "TRACE %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "TRACE");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/unban": unbans nicks or hosts.
 */

int
irc_command_unban (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    char *pos_channel;
    int pos_args;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("unban", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (irc_channel_is_channel (ptr_server, argv[1]))
    {
        pos_channel = argv[1];
        pos_args = 2;
    }
    else
    {
        pos_channel = NULL;
        pos_args = 1;
    }

    /* channel not given, use default buffer */
    if (!pos_channel)
    {
        if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
            pos_channel = ptr_channel->name;
        else
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "unban");
            return WEECHAT_RC_OK;
        }
    }

    /* loop on users */
    while (argv[pos_args])
    {
        irc_command_send_ban (ptr_server, pos_channel, "-b",
                              argv[pos_args]);
        pos_args++;
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/unquiet": unquiets nicks or hosts.
 */

int
irc_command_unquiet (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    char *pos_channel;
    int pos_args;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("unquiet", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (irc_channel_is_channel (ptr_server, argv[1]))
    {
        pos_channel = argv[1];
        pos_args = 2;
    }
    else
    {
        pos_channel = NULL;
        pos_args = 1;
    }

    /* channel not given, use default buffer */
    if (!pos_channel)
    {
        if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
            pos_channel = ptr_channel->name;
        else
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "unquiet");
            return WEECHAT_RC_OK;
        }
    }

    if (argv[pos_args])
    {
        /* loop on users */
        while (argv[pos_args])
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "MODE %s -q %s",
                              pos_channel, argv[pos_args]);
            pos_args++;
        }
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s -q",
                          pos_channel);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/userhost": returns a list of information about
 * nicknames.
 */

int
irc_command_userhost (void *data, struct t_gui_buffer *buffer, int argc,
                      char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("userhost", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "USERHOST %s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/users": list of users logged into the server.
 */

int
irc_command_users (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("users", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "USERS %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "USERS");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/version": gives the version info of nick or server
 * (current or specified).
 */

int
irc_command_version (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("version", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (argc > 1)
    {
        if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL)
            && irc_nick_search (ptr_server, ptr_channel, argv[1]))
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "PRIVMSG %s :\01VERSION\01", argv[1]);
        }
        else
        {
            irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                              "VERSION %s", argv[1]);
        }
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "VERSION");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/voice": gives voice to nickname(s).
 */

int
irc_command_voice (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("voice", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv_eol;

    if (!ptr_channel || (ptr_channel->type != IRC_CHANNEL_TYPE_CHANNEL))
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: \"%s\" command can only be executed in a channel buffer"),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, "voice");
        return WEECHAT_RC_OK;
    }

    if (argc < 2)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "MODE %s +v %s",
                          ptr_channel->name,
                          ptr_server->nick);
    }
    else
    {
        irc_command_mode_nicks (ptr_server, ptr_channel,
                                "voice", "+", "v", argc, argv);
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/wallchops": sends a notice to channel ops.
 */

int
irc_command_wallchops (void *data, struct t_gui_buffer *buffer, int argc,
                       char **argv, char **argv_eol)
{
    char *pos_channel;
    int pos_args;
    const char *support_wallchops, *support_statusmsg;
    struct t_irc_nick *ptr_nick;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("wallchops", 1);

    /* make C compiler happy */
    (void) data;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    if (irc_channel_is_channel (ptr_server, argv[1]))
    {
        pos_channel = argv[1];
        pos_args = 2;
    }
    else
    {
        pos_channel = NULL;
        pos_args = 1;
    }

    /* channel not given, use default buffer */
    if (!pos_channel)
    {
        if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_CHANNEL))
            pos_channel = ptr_channel->name;
        else
        {
            weechat_printf (
                ptr_server->buffer,
                _("%s%s: \"%s\" command can only be executed in a channel "
                  "buffer"),
                weechat_prefix ("error"), IRC_PLUGIN_NAME, "wallchops");
            return WEECHAT_RC_OK;
        }
    }

    ptr_channel = irc_channel_search (ptr_server, pos_channel);
    if (!ptr_channel)
    {
        weechat_printf (
            ptr_server->buffer,
            _("%s%s: you are not on channel \"%s\""),
            weechat_prefix ("error"), IRC_PLUGIN_NAME, pos_channel);
        return WEECHAT_RC_OK;
    }

    weechat_printf (
        ptr_channel->buffer,
        "%s%s%sOp%s -> %s%s%s: %s",
        weechat_prefix ("network"),
        IRC_COLOR_NOTICE,
        /* TRANSLATORS: "Notice" is command name in IRC protocol (translation is frequently the same word) */
        _("Notice"),
        IRC_COLOR_RESET,
        IRC_COLOR_CHAT_CHANNEL,
        ptr_channel->name,
        IRC_COLOR_RESET,
        argv_eol[pos_args]);

    support_wallchops = irc_server_get_isupport_value (ptr_server,
                                                       "WALLCHOPS");
    support_statusmsg = irc_server_get_isupport_value (ptr_server,
                                                       "STATUSMSG");
    if (support_wallchops
        || (support_statusmsg && strchr (support_statusmsg, '@')))
    {
        /*
         * if WALLCHOPS is supported, or if STATUSMSG includes '@',
         * then send a notice to @#channel
         */
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "NOTICE @%s :%s",
                          ptr_channel->name, argv_eol[pos_args]);
    }
    else
    {
        /*
         * if WALLCHOPS is not supported and '@' not in STATUSMSG,
         * then send a notice to each op of channel
         */
        for (ptr_nick = ptr_channel->nicks; ptr_nick;
             ptr_nick = ptr_nick->next_nick)
        {
            if (irc_nick_is_op (ptr_server, ptr_nick)
                && (irc_server_strcasecmp (ptr_server,
                                           ptr_nick->name,
                                           ptr_server->nick) != 0))
            {
                irc_server_sendf (ptr_server,
                                  IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                                  "NOTICE %s :%s",
                                  ptr_nick->name, argv_eol[pos_args]);
            }
        }
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/wallops": sends a message to all currently connected
 * users who have set the 'w' user mode for themselves.
 */

int
irc_command_wallops (void *data, struct t_gui_buffer *buffer, int argc,
                     char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("wallops", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "WALLOPS :%s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/who": generates a query which returns a list of
 * information.
 */

int
irc_command_who (void *data, struct t_gui_buffer *buffer, int argc,
                 char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("who", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    if (argc > 1)
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "WHO %s", argv_eol[1]);
    }
    else
    {
        irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                          "WHO");
    }

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/whois": queries information about user(s).
 */

int
irc_command_whois (void *data, struct t_gui_buffer *buffer, int argc,
                   char **argv, char **argv_eol)
{
    int double_nick;
    const char *ptr_nick;

    IRC_BUFFER_GET_SERVER_CHANNEL(buffer);
    IRC_COMMAND_CHECK_SERVER("whois", 1);

    /* make C compiler happy */
    (void) data;

    double_nick = weechat_config_boolean (irc_config_network_whois_double_nick);
    ptr_nick = NULL;

    if (argc > 1)
    {
        if ((argc > 2) || strchr (argv_eol[1], ','))
        {
            /* do not double nick if we have more than one argument or a comma */
            double_nick = 0;
            ptr_nick = argv_eol[1];
        }
        else
            ptr_nick = argv[1];
    }
    else
    {
        if (ptr_channel && (ptr_channel->type == IRC_CHANNEL_TYPE_PRIVATE))
            ptr_nick = ptr_channel->name;
        else if (ptr_server->nick)
            ptr_nick = ptr_server->nick;
    }

    if (!ptr_nick)
        WEECHAT_COMMAND_ERROR;

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "WHOIS %s%s%s",
                      ptr_nick,
                      (double_nick) ? " " : "",
                      (double_nick) ? ptr_nick : "");

    return WEECHAT_RC_OK;
}

/*
 * Callback for command "/whowas": asks for information about a nickname which
 * no longer exists.
 */

int
irc_command_whowas (void *data, struct t_gui_buffer *buffer, int argc,
                    char **argv, char **argv_eol)
{
    IRC_BUFFER_GET_SERVER(buffer);
    IRC_COMMAND_CHECK_SERVER("whowas", 1);

    /* make C compiler happy */
    (void) data;
    (void) argv;

    WEECHAT_COMMAND_MIN_ARGS(2, "");

    irc_server_sendf (ptr_server, IRC_SERVER_SEND_OUTQ_PRIO_HIGH, NULL,
                      "WHOWAS %s", argv_eol[1]);

    return WEECHAT_RC_OK;
}

/*
 * Hooks IRC commands.
 */

void
irc_command_init ()
{
    weechat_hook_command (
        "admin",
        N_("find information about the administrator of the server"),
        N_("[<target>]"),
        N_("target: server name"),
        NULL, &irc_command_admin, NULL);
    weechat_hook_command (
        "allchan",
        N_("execute a command on all channels of all connected servers"),
        N_("[-current] [-exclude=<channel>[,<channel>...]] <command> "
           "[<arguments>]"),
        N_(" -current: execute command for channels of current server only\n"
           " -exclude: exclude some channels (wildcard \"*\" is allowed)\n"
           "  command: command to execute\n"
           "arguments: arguments for command (special variables $nick, $channel "
           "and $server are replaced by their value)\n"
           "\n"
           "Examples:\n"
           "  execute '/me is testing' on all channels:\n"
           "    /allchan me is testing\n"
           "  say 'hello' everywhere but not on #weechat:\n"
           "    /allchan -exclude=#weechat msg * hello\n"
           "  say 'hello' everywhere but not on #weechat and channels beginning "
           "with #linux:\n"
           "    /allchan -exclude=#weechat,#linux* msg * hello"),
        NULL, &irc_command_allchan, NULL);
    weechat_hook_command (
        "allpv",
        N_("execute a command on all private buffers of all connected servers"),
        N_("[-current] [-exclude=<nick>[,<nick>...]] <command> "
           "[<arguments>]"),
        N_(" -current: execute command for private buffers of current server "
           "only\n"
           " -exclude: exclude some nicks (wildcard \"*\" is allowed)\n"
           "  command: command to execute\n"
           "arguments: arguments for command (special variables $nick, $channel "
           "and $server are replaced by their value)\n"
           "\n"
           "Examples:\n"
           "  execute '/me is testing' on all private buffers:\n"
           "    /allpv me is testing\n"
           "  say 'hello' everywhere but not for nick foo:\n"
           "    /allpv -exclude=foo msg * hello\n"
           "  say 'hello' everywhere but not for nick foo and nicks beginning "
           "with bar:\n"
           "    /allpv -exclude=foo,bar* msg * hello\n"
           "  close all private buffers:\n"
           "    /allpv close"),
        NULL, &irc_command_allpv, NULL);
    weechat_hook_command (
        "allserv",
        N_("execute a command on all connected servers"),
        N_("[-exclude=<server>[,<server>...]] "
           "<command> [<arguments>]"),
        N_(" -exclude: exclude some servers (wildcard \"*\" is allowed)\n"
           "  command: command to execute\n"
           "arguments: arguments for command (special variables $nick, $channel "
           "and $server are replaced by their value)\n"
           "\n"
           "Examples:\n"
           "  change nick on all servers:\n"
           "    /allserv nick newnick\n"
           "  set away on all servers:\n"
           "    /allserv away I'm away\n"
           "  do a whois on my nick on all servers:\n"
           "    /allserv whois $nick"),
        NULL, &irc_command_allserv, NULL);
    weechat_hook_command_run ("/away", &irc_command_run_away, NULL);
    weechat_hook_command (
        "ban",
        N_("ban nicks or hosts"),
        N_("[<channel>] [<nick> [<nick>...]]"),
        N_("channel: channel name\n"
           "   nick: nick or host\n"
           "\n"
           "Without argument, this command display ban list for current channel."),
        "%(irc_channel_nicks_hosts)", &irc_command_ban, NULL);
    weechat_hook_command (
        "connect",
        N_("connect to IRC server(s)"),
        N_("<server> [<server>...] [-<option>[=<value>]] [-no<option>] "
           "[-nojoin] [-switch]"
           " || -all|-auto|-open [-nojoin] [-switch]"),
        N_("    server: server name, which can be:\n"
           "            - internal server name (created by /server add, "
           "recommended usage)\n"
           "            - hostname/port or IP/port, port is 6667 by default\n"
           "            - URL with format: irc[6][s]://[nickname[:password]@]"
           "irc.example.org[:port][/#channel1][,#channel2[...]]\n"
           "            Note: for an address/IP/URL, a temporary server is "
           "created (NOT SAVED), see /help irc.look.temporary_servers\n"
           "    option: set option for server (for boolean option, value can be "
           "omitted)\n"
           "  nooption: set boolean option to 'off' (for example: -nossl)\n"
           "      -all: connect to all servers defined in configuration\n"
           "     -auto: connect to servers with autoconnect enabled\n"
           "     -open: connect to all opened servers that are not currently "
           "connected\n"
           "   -nojoin: do not join any channel (even if autojoin is enabled on "
           "server)\n"
           "   -switch: switch to next server address\n"
           "\n"
           "To disconnect from a server or stop any connection attempt, use "
           "command /disconnect.\n"
           "\n"
           "Examples:\n"
           "  /connect freenode\n"
           "  /connect irc.oftc.net/6667\n"
           "  /connect irc6.oftc.net/6667 -ipv6\n"
           "  /connect irc6.oftc.net/6697 -ipv6 -ssl\n"
           "  /connect my.server.org/6697 -ssl -password=test\n"
           "  /connect irc://nick@irc.oftc.net/#channel\n"
           "  /connect -switch"),
        "%(irc_servers)|-all|-auto|-open|-nojoin|-switch|%*",
        &irc_command_connect, NULL);
    weechat_hook_command (
        "ctcp",
        N_("send a CTCP message (Client-To-Client Protocol)"),
        N_("<target> <type> [<arguments>]"),
        N_(" target: nick or channel name to send CTCP to\n"
           "   type: CTCP type (examples: \"version\", \"ping\", ..)\n"
           "arguments: arguments for CTCP"),
        "%(irc_channel)|%(nicks) action|clientinfo|finger|ping|source|time|"
        "userinfo|version",
        &irc_command_ctcp, NULL);
    weechat_hook_command (
        "cycle",
        N_("leave and rejoin a channel"),
        N_("[<channel>[,<channel>...]] [<message>]"),
        N_("channel: channel name\n"
           "message: part message (displayed to other users)"),
        "%(irc_msg_part)", &irc_command_cycle, NULL);
    weechat_hook_command (
        "dcc",
        N_("start a DCC (file transfer or direct chat)"),
        N_("chat <nick> || send <nick> <file>"),
        N_("nick: nick\n"
           "file: filename (on local host)\n"
           "\n"
           "Examples:\n"
           "  chat with nick \"toto\":\n"
           "    /dcc chat toto\n"
           "  send file \"/home/foo/bar.txt\" to nick \"toto\":\n"
           "    /dcc send toto /home/foo/bar.txt"),
        "chat %(nicks)"
        " || send %(nicks) %(filename)",
        &irc_command_dcc, NULL);
    weechat_hook_command (
        "dehalfop",
        N_("remove channel half-operator status from nick(s)"),
        N_("<nick> [<nick>...]"),
        N_("nick: nick or mask (wildcard \"*\" is allowed)\n"
           "   *: remove channel half-operator status from everybody on channel "
           "except yourself"),
        "%(nicks)", &irc_command_dehalfop, NULL);
    weechat_hook_command (
        "deop",
        N_("remove channel operator status from nick(s)"),
        N_("<nick> [<nick>...] || * -yes"),
        N_("nick: nick or mask (wildcard \"*\" is allowed)\n"
           "   *: remove channel operator status from everybody on channel "
           "except yourself"),
        "%(nicks)|%*", &irc_command_deop, NULL);
    weechat_hook_command (
        "devoice",
        N_("remove voice from nick(s)"),
        N_("<nick> [<nick>...] || * -yes"),
        N_("nick: nick or mask (wildcard \"*\" is allowed)\n"
           "   *: remove voice from everybody on channel"),
        "%(nicks)|%*", &irc_command_devoice, NULL);
    weechat_hook_command (
        "die",
        N_("shutdown the server"),
        N_("[<target>]"),
        N_("target: server name"),
        NULL, &irc_command_die, NULL);
    weechat_hook_command (
        "disconnect",
        N_("disconnect from one or all IRC servers"),
        N_("[<server>|-all|-pending [<reason>]]"),
        N_("  server: internal server name\n"
           "    -all: disconnect from all servers\n"
           "-pending: cancel auto-reconnection on servers currently "
           "reconnecting\n"
           "  reason: reason for the \"quit\""),
        "%(irc_servers)|-all|-pending",
        &irc_command_disconnect, NULL);
    weechat_hook_command (
        "halfop",
        N_("give channel half-operator status to nick(s)"),
        N_("<nick> [<nick>...] || * -yes"),
        N_("nick: nick or mask (wildcard \"*\" is allowed)\n"
           "   *: give channel half-operator status to everybody on channel"),
        "%(nicks)", &irc_command_halfop, NULL);
    weechat_hook_command (
        "ignore",
        N_("ignore nicks/hosts from servers or channels"),
        N_("list"
           " || add [re:]<nick> [<server> [<channel>]]"
           " || del <number>|-all"),
        N_("     list: list all ignores\n"
           "      add: add an ignore\n"
           "     nick: nick or hostname (can be a POSIX extended regular "
           "expression if \"re:\" is given or a mask using \"*\" to replace one "
           "or more chars)\n"
           "      del: delete an ignore\n"
           "   number: number of ignore to delete (look at list to find it)\n"
           "     -all: delete all ignores\n"
           "   server: internal server name where ignore is working\n"
           "  channel: channel name where ignore is working\n"
           "\n"
           "Note: the regular expression can start with \"(?-i)\" to become "
            "case sensitive.\n"
           "\n"
           "Examples:\n"
           "  ignore nick \"toto\" everywhere:\n"
           "    /ignore add toto\n"
           "  ignore host \"toto@domain.com\" on freenode server:\n"
           "    /ignore add toto@domain.com freenode\n"
           "  ignore host \"toto*@*.domain.com\" on freenode/#weechat:\n"
           "    /ignore add toto*@*.domain.com freenode #weechat"),
        "list"
        " || add %(irc_channel_nicks_hosts) %(irc_servers) %(irc_channels) %-"
        " || del -all|%(irc_ignores_numbers) %-",
        &irc_command_ignore, NULL);
    weechat_hook_command (
        "info",
        N_("get information describing the server"),
        N_("[<target>]"),
        N_("target: server name"),
        NULL, &irc_command_info, NULL);
    weechat_hook_command (
        "invite",
        N_("invite a nick on a channel"),
        N_("<nick> [<nick>...] [<channel>]"),
        N_("   nick: nick\n"
           "channel: channel name"),
        "%(nicks) %(irc_server_channels)", &irc_command_invite, NULL);
    weechat_hook_command (
        "ison",
        N_("check if a nick is currently on IRC"),
        N_("<nick> [<nick>...]"),
        N_("nick: nick"),
        "%(nicks)|%*", &irc_command_ison, NULL);
    weechat_hook_command (
        "join",
        N_("join a channel"),
        N_("[-noswitch] [-server <server>] "
           "[<channel1>[,<channel2>...]] [<key1>[,<key2>...]]"),
        N_("-noswitch: do not switch to new buffer\n"
           "   server: send to this server (internal name)\n"
           "  channel: channel name to join\n"
           "      key: key to join the channel (channels with a key must be the "
           "first in list)\n"
           "\n"
           "Examples:\n"
           "  /join #weechat\n"
           "  /join #protectedchan,#weechat key\n"
           "  /join -server freenode #weechat\n"
           "  /join -noswitch #weechat"),
        "%(irc_channels)|-noswitch|-server|%(irc_servers)|%*",
        &irc_command_join, NULL);
    weechat_hook_command (
        "kick",
        N_("kick a user out of a channel"),
        N_("[<channel>] <nick> [<reason>]"),
        N_("channel: channel name\n"
           "   nick: nick\n"
           " reason: reason (special variables $nick, $channel and $server are "
           "replaced by their value)"),
        "%(nicks) %(irc_msg_kick) %-", &irc_command_kick, NULL);
    weechat_hook_command (
        "kickban",
        N_("kick a user out of a channel and ban the host"),
        N_("[<channel>] <nick> [<reason>]"),
        N_("channel: channel name\n"
           "   nick: nick\n"
           " reason: reason (special variables $nick, $channel and $server are "
           "replaced by their value)\n"
           "\n"
           "It is possible to kick/ban with a mask, nick will be extracted from "
           "mask and replaced by \"*\".\n"
           "\n"
           "Example:\n"
           "  ban \"*!*@host.com\" and then kick \"toto\":\n"
           "    /kickban toto!*@host.com"),
        "%(irc_channel_nicks_hosts) %(irc_msg_kick) %-",
        &irc_command_kickban, NULL);
    weechat_hook_command (
        "kill",
        N_("close client-server connection"),
        N_("<nick> [<reason>]"),
        N_("  nick: nick\n"
           "reason: reason"),
        "%(nicks) %-", &irc_command_kill, NULL);
    weechat_hook_command (
        "links",
        N_("list all servernames which are known by the server answering the "
           "query"),
        N_("[[<server>] <server_mask>]"),
        N_("     server: this server should answer the query\n"
           "server_mask: list of servers must match this mask"),
        NULL, &irc_command_links, NULL);
    weechat_hook_command (
        "list",
        N_("list channels and their topic"),
        N_("[<channel>[,<channel>...]] [<server>] "
           "[-re <regex>]"),
        N_("channel: channel to list\n"
           " server: server name\n"
           "  regex: POSIX extended regular expression used to filter results "
           "(case insensitive, can start by \"(?-i)\" to become case "
           "sensitive)\n"
           "\n"
           "Examples:\n"
           "  list all channels on server (can be very slow on large networks):\n"
           "    /list\n"
           "  list channel #weechat:\n"
           "    /list #weechat\n"
           "  list all channels beginning with \"#weechat\" (can be very slow "
           "on large networks):\n"
           "    /list -re #weechat.*"),
        NULL, &irc_command_list, NULL);
    weechat_hook_command (
        "lusers",
        N_("get statistics about the size of the IRC network"),
        N_("[<mask> [<target>]]"),
        N_("  mask: servers matching the mask only\n"
           "target: server for forwarding request"),
        NULL, &irc_command_lusers, NULL);
    weechat_hook_command (
        "map",
        N_("show a graphical map of the IRC network"),
        "",
        "",
        NULL, &irc_command_map, NULL);
    weechat_hook_command (
        "me",
        N_("send a CTCP action to the current channel"),
        N_("<message>"),
        N_("message: message to send"),
        NULL, &irc_command_me, NULL);
    weechat_hook_command (
        "mode",
        N_("change channel or user mode"),
        N_("[<channel>] [+|-]o|p|s|i|t|n|m|l|b|e|v|k [<arguments>]"
           " || <nick> [+|-]i|s|w|o"),
        N_("channel modes:\n"
           "  channel: channel name to modify (default is current one)\n"
           "  o: give/take channel operator privileges\n"
           "  p: private channel flag\n"
           "  s: secret channel flag\n"
           "  i: invite-only channel flag\n"
           "  t: topic settable by channel operator only flag\n"
           "  n: no messages to channel from clients on the outside\n"
           "  m: moderated channel\n"
           "  l: set the user limit to channel\n"
           "  b: set a ban mask to keep users out\n"
           "  e: set exception mask\n"
           "  v: give/take the ability to speak on a moderated channel\n"
           "  k: set a channel key (password)\n"
           "user modes:\n"
           "  nick: nick to modify\n"
           "  i: mark a user as invisible\n"
           "  s: mark a user for receive server notices\n"
           "  w: user receives wallops\n"
           "  o: operator flag\n"
           "\n"
           "List of modes is not comprehensive, you should read documentation "
           "about your server to see all possible modes.\n"
           "\n"
           "Examples:\n"
           "  protect topic on channel #weechat:\n"
           "    /mode #weechat +t\n"
           "  become invisible on server:\n"
           "    /mode nick +i"),
        "%(irc_channel)|%(irc_server_nick)", &irc_command_mode, NULL);
    weechat_hook_command (
        "motd",
        N_("get the \"Message Of The Day\""),
        N_("[<target>]"),
        N_("target: server name"),
        NULL, &irc_command_motd, NULL);
    weechat_hook_command (
        "msg",
        N_("send message to a nick or channel"),
        N_("[-server <server>] <target>[,<target>...] <text>"),
        N_("server: send to this server (internal name)\n"
           "target: nick or channel (may be mask, '*' = current channel)\n"
           "  text: text to send"),
        "-server %(irc_servers) %(nicks)"
        " || %(nicks)",
        &irc_command_msg, NULL);
    weechat_hook_command (
        "names",
        N_("list nicks on channels"),
        N_("[<channel>[,<channel>...]]"),
        N_("channel: channel name"),
        "%(irc_channels)", &irc_command_names, NULL);
    weechat_hook_command (
        "nick",
        N_("change current nick"),
        N_("[-all] <nick>"),
        N_("-all: set new nick for all connected servers\n"
           "nick: new nick"),
        "-all %(irc_server_nick)"
        " || %(irc_server_nick)",
        &irc_command_nick, NULL);
    weechat_hook_command (
        "notice",
        N_("send notice message to user"),
        N_("[-server <server>] <target> <text>"),
        N_("server: send to this server (internal name)\n"
           "target: nick or channel name\n"
           "  text: text to send"),
        "-server %(irc_servers) %(nicks)"
        " || %(nicks)",
        &irc_command_notice, NULL);
    weechat_hook_command (
        "notify",
        N_("add a notification for presence or away status of nicks on servers"),
        N_("add <nick> [<server> [-away]]"
           " || del <nick>|-all [<server>]"),
        N_("   add: add a notification\n"
           "  nick: nick\n"
           "server: internal server name (by default current server)\n"
           " -away: notify when away message is changed (by doing whois on "
           "nick)\n"
           "   del: delete a notification\n"
           "  -all: delete all notifications\n"
           "\n"
           "Without argument, this command displays notifications for current "
           "server (or all servers if command is issued on core buffer).\n"
           "\n"
           "Examples:\n"
           "  notify when \"toto\" joins/quits current server:\n"
           "    /notify add toto\n"
           "  notify when \"toto\" joins/quits freenode server:\n"
           "    /notify add toto freenode\n"
           "  notify when \"toto\" is away or back on freenode server:\n"
           "    /notify add toto freenode -away"),
        "add %(irc_channel_nicks) %(irc_servers) -away %-"
        " || del -all|%(irc_notify_nicks) %(irc_servers) %-",
        &irc_command_notify, NULL);
    weechat_hook_command (
        "op",
        N_("give channel operator status to nick(s)"),
        N_("<nick> [<nick>...] || * -yes"),
        N_("nick: nick or mask (wildcard \"*\" is allowed)\n"
           "   *: give channel operator status to everybody on channel"),
        "%(nicks)|%*", &irc_command_op, NULL);
    weechat_hook_command (
        "oper",
        N_("get operator privileges"),
        N_("<user> <password>"),
        N_("    user: user\n"
           "password: password"),
        NULL, &irc_command_oper, NULL);
    weechat_hook_command (
        "part",
        N_("leave a channel"),
        N_("[<channel>[,<channel>...]] [<message>]"),
        N_("channel: channel name to leave\n"
           "message: part message (displayed to other users)"),
        "%(irc_msg_part)", &irc_command_part, NULL);
    weechat_hook_command (
        "ping",
        N_("send a ping to server"),
        N_("<server1> [<server2>]"),
        N_("server1: server\n"
           "server2: forward ping to this server"),
        NULL, &irc_command_ping, NULL);
    weechat_hook_command (
        "pong",
        N_("answer to a ping message"),
        N_("<daemon> [<daemon2>]"),
        N_(" daemon: daemon who has responded to Ping message\n"
           "daemon2: forward message to this daemon"),
        NULL, &irc_command_pong, NULL);
    weechat_hook_command (
        "query",
        N_("send a private message to a nick"),
        N_("[-server <server>] <nick>[,<nick>...] [<text>]"),
        N_("server: send to this server (internal name)\n"
           "  nick: nick\n"
           "  text: text to send"),
        "-server %(irc_servers) %(nicks)"
        " || %(nicks)",
        &irc_command_query, NULL);
    weechat_hook_command (
        "quiet",
        N_("quiet nicks or hosts"),
        N_("[<channel>] [<nick> [<nick>...]]"),
        N_("channel: channel name\n"
           "   nick: nick or host\n"
           "\n"
           "Without argument, this command display quiet list for current "
           "channel."),
        "%(irc_channel_nicks_hosts)", &irc_command_quiet, NULL);
    weechat_hook_command (
        "quote",
        N_("send raw data to server without parsing"),
        N_("[-server <server>] <data>"),
        N_("server: send to this server (internal name)\n"
           "  data: raw data to send"),
        "-server %(irc_servers)", &irc_command_quote, NULL);
    weechat_hook_command (
        "reconnect",
        N_("reconnect to server(s)"),
        N_("<server> [<server>...] [-nojoin] [-switch]"
           " || -all [-nojoin] [-switch]"),
        N_(" server: server to reconnect (internal name)\n"
           "   -all: reconnect to all servers\n"
           "-nojoin: do not join any channel (even if autojoin is enabled on "
           "server)\n"
           "-switch: switch to next server address"),
        "%(irc_servers)|-all|-nojoin|-switch|%*",
        &irc_command_reconnect, NULL);
    weechat_hook_command (
        "rehash",
        N_("tell the server to reload its config file"),
        N_("[<option>]"),
        N_("option: extra option, for some servers"),
        NULL, &irc_command_rehash, NULL);
    weechat_hook_command (
        "remove",
        N_("force a user to leave a channel"),
        N_("[<channel>] <nick> [<reason>]"),
        N_("channel: channel name\n"
           "   nick: nick\n"
           " reason: reason (special variables $nick, $channel and $server are "
           "replaced by their value)"),
        "%(irc_channel)|%(nicks) %(nicks)", &irc_command_remove, NULL);
    weechat_hook_command (
        "restart",
        N_("tell the server to restart itself"),
        N_("[<target>]"),
        N_("target: server name"),
        NULL, &irc_command_restart, NULL);
    weechat_hook_command (
        "sajoin",
        N_("force a user to join channel(s)"),
        N_("<nick> <channel>[,<channel>...]"),
        N_("   nick: nick\n"
           "channel: channel name"),
        "%(nicks) %(irc_server_channels)", &irc_command_sajoin, NULL);
    weechat_hook_command (
        "samode",
        N_("change mode on channel, without having operator status"),
        N_("[<channel>] <mode>"),
        N_("channel: channel name\n"
           "   mode: mode for channel"),
        "%(irc_server_channels)", &irc_command_samode, NULL);
    weechat_hook_command (
        "sanick",
        N_("force a user to use another nick"),
        N_("<nick> <new_nick>"),
        N_("    nick: nick\n"
           "new_nick: new nick"),
        "%(nicks) %(nicks)", &irc_command_sanick, NULL);
    weechat_hook_command (
        "sapart",
        N_("force a user to leave channel(s)"),
        N_("<nick> <channel>[,<channel>...]"),
        N_("   nick: nick\n"
           "channel: channel name"),
        "%(nicks) %(irc_server_channels)", &irc_command_sapart, NULL);
    weechat_hook_command (
        "saquit",
        N_("force a user to quit server with a reason"),
        N_("<nick> <reason>"),
        N_("  nick: nick\n"
           "reason: reason"),
        "%(nicks)", &irc_command_saquit, NULL);
    weechat_hook_command (
        "service",
        N_("register a new service"),
        N_("<nick> <reserved> <distribution> <type> <reserved> <info>"),
        N_("distribution: visibility of service\n"
           "        type: reserved for future usage"),
        NULL, &irc_command_service, NULL);
    weechat_hook_command (
        "server",
        N_("list, add or remove IRC servers"),
        N_("list|listfull [<server>]"
           " || add <server> <hostname>[/<port>] [-temp] [-<option>[=<value>]] "
           "[-no<option>]"
           " || copy|rename <server> <new_name>"
           " || reorder <server> [<server>...]"
           " || del|keep <server>"
           " || deloutq|jump|raw"),
        N_("    list: list servers (without argument, this list is displayed)\n"
           "listfull: list servers with detailed info for each server\n"
           "     add: create a new server\n"
           "  server: server name, for internal and display use\n"
           "hostname: name or IP address of server, with optional port "
           "(default: 6667), many addresses can be separated by a comma\n"
           "    temp: create temporary server (not saved)\n"
           "  option: set option for server (for boolean option, value can be "
           "omitted)\n"
           "nooption: set boolean option to 'off' (for example: -nossl)\n"
           "    copy: duplicate a server\n"
           "  rename: rename a server\n"
           " reorder: reorder list of servers\n"
           "    keep: keep server in config file (for temporary servers only)\n"
           "     del: delete a server\n"
           " deloutq: delete messages out queue for all servers (all messages "
           "WeeChat is currently sending)\n"
           "    jump: jump to server buffer\n"
           "     raw: open buffer with raw IRC data\n"
           "\n"
           "Examples:\n"
           "  /server listfull\n"
           "  /server add oftc irc.oftc.net/6697 -ssl -autoconnect\n"
           "  /server add oftc6 irc6.oftc.net/6697 -ipv6 -ssl\n"
           "  /server add freenode2 chat.eu.freenode.net/6667,"
           "chat.us.freenode.net/6667\n"
           "  /server add freenode3 chat.freenode.net -password=mypass\n"
           "  /server copy oftc oftcbis\n"
           "  /server rename oftc newoftc\n"
           "  /server reorder oftc freenode\n"
           "  /server del freenode\n"
           "  /server deloutq"),
        "list %(irc_servers)"
        " || listfull %(irc_servers)"
        " || add %(irc_servers)"
        " || copy %(irc_servers) %(irc_servers)"
        " || rename %(irc_servers) %(irc_servers)"
        " || keep %(irc_servers)"
        " || reorder %(irc_servers)|%*"
        " || del %(irc_servers)"
        " || deloutq"
        " || jump"
        " || raw",
        &irc_command_server, NULL);
    weechat_hook_command (
        "servlist",
        N_("list services currently connected to the network"),
        N_("[<mask> [<type>]]"),
        N_("mask: list only services matching this mask\n"
           "type: list only services of this type"),
        NULL, &irc_command_servlist, NULL);
    weechat_hook_command (
        "squery",
        N_("deliver a message to a service"),
        N_("<service> <text>"),
        N_("service: name of service\n"
           "   text: text to send"),
        NULL, &irc_command_squery, NULL);
    weechat_hook_command (
        "squit",
        N_("disconnect server links"),
        N_("<server> <comment>"),
        N_( " server: server name\n"
            "comment: comment"),
        NULL, &irc_command_squit, NULL);
    weechat_hook_command (
        "stats",
        N_("query statistics about server"),
        N_("[<query> [<server>]]"),
        N_(" query: c/h/i/k/l/m/o/y/u (see RFC1459)\n"
           "server: server name"),
        NULL, &irc_command_stats, NULL);
    weechat_hook_command (
        "summon",
        N_("give users who are on a host running an IRC "
           "server a message asking them to please join "
           "IRC"),
        N_("<user> [<target> [<channel>]]"),
        N_("   user: username\n"
           " target: server name\n"
           "channel: channel name"),
        NULL, &irc_command_summon, NULL);
    weechat_hook_command (
        "time",
        N_("query local time from server"),
        N_("[<target>]"),
        N_("target: query time from specified server"),
        NULL, &irc_command_time, NULL);
    weechat_hook_command (
        "topic",
        N_("get/set channel topic"),
        N_("[<channel>] [<topic>|-delete]"),
        N_("channel: channel name\n"
           "  topic: new topic\n"
           "-delete: delete channel topic"),
        "%(irc_channel_topic)|-delete", &irc_command_topic, NULL);
    weechat_hook_command (
        "trace",
        N_("find the route to specific server"),
        N_("[<target>]"),
        N_("target: server name"),
        NULL, &irc_command_trace, NULL);
    weechat_hook_command (
        "unban",
        N_("unban nicks or hosts"),
        N_("[<channel>] <nick> [<nick>...]"),
        N_("channel: channel name\n"
           "   nick: nick or host"),
        NULL, &irc_command_unban, NULL);
    weechat_hook_command (
        "unquiet",
        N_("unquiet nicks or hosts"),
        N_("[<channel>] <nick> [<nick>...]"),
        N_("channel: channel name\n"
           "   nick: nick or host"),
        "%(irc_channel_nicks_hosts)", &irc_command_unquiet, NULL);
    weechat_hook_command (
        "userhost",
        N_("return a list of information about nicks"),
        N_("<nick> [<nick>...]"),
        N_("nick: nick"),
        "%(nicks)", &irc_command_userhost, NULL);
    weechat_hook_command (
        "users",
        N_("list of users logged into the server"),
        N_("[<target>]"),
        N_("target: server name"),
        NULL, &irc_command_users, NULL);
    weechat_hook_command (
        "version",
        N_("give the version info of nick or server (current or specified)"),
        N_("[<server>|<nick>]"),
        N_("server: server name\n"
           "  nick: nick"),
        "%(nicks)", &irc_command_version, NULL);
    weechat_hook_command (
        "voice",
        N_("give voice to nick(s)"),
        N_("<nick> [<nick>...]"),
        N_("nick: nick or mask (wildcard \"*\" is allowed)\n"
           "   *: give voice to everybody on channel"),
        "%(nicks)|%*", &irc_command_voice, NULL);
    weechat_hook_command (
        "wallchops",
        N_("send a notice to channel ops"),
        N_("[<channel>] <text>"),
        N_("channel: channel name\n"
           "   text: text to send"),
        NULL, &irc_command_wallchops, NULL);
    weechat_hook_command (
        "wallops",
        N_("send a message to all currently connected users who have set the "
           "'w' user mode for themselves"),
        N_("<text>"),
        N_("text: text to send"),
        NULL, &irc_command_wallops, NULL);
    weechat_hook_command (
        "who",
        N_("generate a query which returns a list of information"),
        N_("[<mask> [o]]"),
        N_("mask: only information which match this mask\n"
           "   o: only operators are returned according to the mask supplied"),
        "%(irc_channels)", &irc_command_who, NULL);
    weechat_hook_command (
        "whois",
        N_("query information about user(s)"),
        N_("[<server>] [<nick>[,<nick>...]]"),
        N_("server: server name\n"
           "  nick: nick (may be a mask)\n"
           "\n"
           "Without argument, this command will do a whois on:\n"
           "- your own nick if buffer is a server/channel\n"
           "- remote nick if buffer is a private.\n"
           "\n"
           "If option irc.network.whois_double_nick is enabled, two nicks are "
           "sent (if only one nick is given), to get idle time in answer."),
        "%(nicks)", &irc_command_whois, NULL);
    weechat_hook_command (
        "whowas",
        N_("ask for information about a nick which no longer exists"),
        N_("<nick>[,<nick>...] [<count> [<target>]]"),
        N_("  nick: nick\n"
           " count: number of replies to return (full search if negative "
           "number)\n"
           "target: reply should match this mask"),
        "%(nicks)", &irc_command_whowas, NULL);
}