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/*
* irc.c - IRC (Internet Relay Chat) plugin for WeeChat
*
* Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.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 <https://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "../weechat-plugin.h"
#include "irc.h"
#include "irc-bar-item.h"
#include "irc-buffer.h"
#include "irc-channel.h"
#include "irc-color.h"
#include "irc-command.h"
#include "irc-completion.h"
#include "irc-config.h"
#include "irc-debug.h"
#include "irc-ignore.h"
#include "irc-info.h"
#include "irc-input.h"
#include "irc-nick.h"
#include "irc-notify.h"
#include "irc-protocol.h"
#include "irc-raw.h"
#include "irc-redirect.h"
#include "irc-server.h"
#include "irc-upgrade.h"
WEECHAT_PLUGIN_NAME(IRC_PLUGIN_NAME);
WEECHAT_PLUGIN_DESCRIPTION(N_("IRC (Internet Relay Chat) protocol"));
WEECHAT_PLUGIN_AUTHOR("Sébastien Helleu <flashcode@flashtux.org>");
WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION);
WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE);
WEECHAT_PLUGIN_PRIORITY(6000);
struct t_weechat_plugin *weechat_irc_plugin = NULL;
struct t_hook *irc_hook_timer = NULL;
int irc_signal_upgrade_received = 0; /* signal "upgrade" received ? */
/*
* Callback for signal "quit".
*/
int
irc_signal_quit_cb (const void *pointer, void *data,
const char *signal, const char *type_data,
void *signal_data)
{
struct t_irc_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
if (strcmp (type_data, WEECHAT_HOOK_SIGNAL_STRING) == 0)
{
for (ptr_server = irc_servers; ptr_server;
ptr_server = ptr_server->next_server)
{
irc_command_quit_server (
ptr_server,
(signal_data) ? (char *)signal_data : NULL);
}
}
return WEECHAT_RC_OK;
}
/*
* Callback for signal "upgrade".
*/
int
irc_signal_upgrade_cb (const void *pointer, void *data,
const char *signal, const char *type_data,
void *signal_data)
{
struct t_irc_server *ptr_server;
int quit, ssl_disconnected;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) signal;
(void) type_data;
irc_signal_upgrade_received = 1;
quit = (signal_data && (strcmp (signal_data, "quit") == 0));
ssl_disconnected = 0;
for (ptr_server = irc_servers; ptr_server;
ptr_server = ptr_server->next_server)
{
/*
* FIXME: it's not possible to upgrade with SSL servers connected
* (GnuTLS library can't reload data after upgrade), so we close
* connection for all SSL servers currently connected
*/
if (ptr_server->is_connected && (ptr_server->ssl_connected || quit))
{
if (!quit)
{
ssl_disconnected++;
weechat_printf (
ptr_server->buffer,
_("%s%s: disconnecting from server because upgrade can't "
"work for servers connected via SSL"),
weechat_prefix ("error"), IRC_PLUGIN_NAME);
}
irc_server_disconnect (ptr_server, 0, 0);
/*
* schedule reconnection: WeeChat will reconnect to this server
* after restart
*/
ptr_server->index_current_address = 0;
ptr_server->reconnect_delay = IRC_SERVER_OPTION_INTEGER(ptr_server, IRC_SERVER_OPTION_AUTORECONNECT_DELAY);
ptr_server->reconnect_start = time (NULL) - ptr_server->reconnect_delay - 1;
}
}
if (ssl_disconnected > 0)
{
weechat_printf (
NULL,
/* TRANSLATORS: "%s" after "%d" is "server" or "servers" */
_("%s%s: disconnected from %d %s (SSL connection not supported "
"with upgrade)"),
weechat_prefix ("error"),
IRC_PLUGIN_NAME,
ssl_disconnected,
NG_("server", "servers", ssl_disconnected));
}
return WEECHAT_RC_OK;
}
/*
* Initializes IRC plugin.
*/
int
weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
{
int i, auto_connect;
weechat_plugin = plugin;
if (!irc_config_init ())
return WEECHAT_RC_ERROR;
irc_config_read ();
irc_command_init ();
irc_info_init ();
irc_redirect_init ();
irc_notify_init ();
/* hook some signals */
irc_debug_init ();
weechat_hook_signal ("quit",
&irc_signal_quit_cb, NULL, NULL);
weechat_hook_signal ("upgrade",
&irc_signal_upgrade_cb, NULL, NULL);
weechat_hook_signal ("xfer_send_ready",
&irc_server_xfer_send_ready_cb, NULL, NULL);
weechat_hook_signal ("xfer_resume_ready",
&irc_server_xfer_resume_ready_cb, NULL, NULL);
weechat_hook_signal ("xfer_send_accept_resume",
&irc_server_xfer_send_accept_resume_cb, NULL, NULL);
weechat_hook_signal ("irc_input_send",
&irc_input_send_cb, NULL, NULL);
/* hook hsignals for redirection */
weechat_hook_hsignal ("irc_redirect_pattern",
&irc_redirect_pattern_hsignal_cb, NULL, NULL);
weechat_hook_hsignal ("irc_redirect_command",
&irc_redirect_command_hsignal_cb, NULL, NULL);
/* modifiers */
weechat_hook_modifier ("irc_color_decode",
&irc_color_modifier_cb, NULL, NULL);
weechat_hook_modifier ("irc_color_encode",
&irc_color_modifier_cb, NULL, NULL);
weechat_hook_modifier ("irc_color_decode_ansi",
&irc_color_modifier_cb, NULL, NULL);
/* hook completions */
irc_completion_init ();
irc_bar_item_init ();
/* look at arguments */
auto_connect = 1;
for (i = 0; i < argc; i++)
{
if ((weechat_strcasecmp (argv[i], "-a") == 0)
|| (weechat_strcasecmp (argv[i], "--no-connect") == 0))
{
auto_connect = 0;
}
else if ((weechat_strncasecmp (argv[i], IRC_PLUGIN_NAME, 3) == 0))
{
if (!irc_server_alloc_with_url (argv[i]))
{
weechat_printf (
NULL,
_("%s%s: unable to add temporary server \"%s\" (check "
"if there is already a server with this name)"),
weechat_prefix ("error"), IRC_PLUGIN_NAME, argv[i]);
}
}
}
if (weechat_irc_plugin->upgrading)
{
if (!irc_upgrade_load ())
{
weechat_printf (
NULL,
_("%s%s: WARNING: some network connections may still be "
"opened and not visible, you should restart WeeChat now "
"(with /quit)."),
weechat_prefix ("error"), IRC_PLUGIN_NAME);
}
}
else
{
irc_server_auto_connect (auto_connect);
}
irc_hook_timer = weechat_hook_timer (1 * 1000, 0, 0,
&irc_server_timer_cb,
NULL, NULL);
return WEECHAT_RC_OK;
}
/*
* Ends IRC plugin.
*/
int
weechat_plugin_end (struct t_weechat_plugin *plugin)
{
/* make C compiler happy */
(void) plugin;
if (irc_hook_timer)
weechat_unhook (irc_hook_timer);
if (irc_signal_upgrade_received)
{
irc_config_write (1);
irc_upgrade_save ();
}
else
{
irc_config_write (0);
irc_server_disconnect_all ();
}
irc_ignore_free_all ();
irc_raw_message_free_all ();
irc_server_free_all ();
irc_config_free ();
irc_notify_end ();
irc_redirect_end ();
irc_color_end ();
return WEECHAT_RC_OK;
}
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