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/*
channel-events.c : irssi
Copyright (C) 1999-2000 Timo Sirainen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "signals.h"
#include "misc.h"
#include "channels-setup.h"
#include "settings.h"
#include "irc-servers.h"
#include "irc-channels.h"
static void event_cannot_join(IRC_SERVER_REC *server, const char *data)
{
CHANNEL_REC *chanrec;
char *params, *channel;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, NULL, &channel);
if (channel[0] == '!' && channel[1] == '!')
channel++; /* server didn't understand !channels */
chanrec = channel_find(SERVER(server), channel);
if (chanrec == NULL && channel[0] == '!') {
/* it probably replied with the full !channel name,
find the channel with the short name.. */
channel = g_strdup_printf("!%s", channel+6);
chanrec = channel_find(SERVER(server), channel);
g_free(channel);
}
if (chanrec != NULL && !chanrec->names_got) {
chanrec->left = TRUE;
channel_destroy(chanrec);
}
g_free(params);
}
static void event_no_such_channel(IRC_SERVER_REC *server, const char *data)
{
CHANNEL_REC *chanrec;
CHANNEL_SETUP_REC *setup;
char *params, *channel;
params = event_get_params(data, 2, NULL, &channel);
chanrec = *channel == '!' && channel[1] != '\0' ?
channel_find(SERVER(server), channel) : NULL;
g_free(params);
if (chanrec != NULL) {
/* !channel didn't exist, so join failed */
setup = channel_setup_find(chanrec->name,
chanrec->server->connrec->chatnet);
if (setup != NULL && setup->autojoin) {
/* it's autojoin channel though,
so create it */
irc_send_cmdv(server, "JOIN !%s", chanrec->name);
return;
}
}
event_cannot_join(server, data);
}
static void event_duplicate_channel(IRC_SERVER_REC *server, const char *data)
{
CHANNEL_REC *chanrec;
char *params, *channel, *p;
g_return_if_fail(data != NULL);
/* this new addition to ircd breaks completely with older
"standards", "nick Duplicate ::!!channel ...." */
params = event_get_params(data, 3, NULL, NULL, &channel);
p = strchr(channel, ' ');
if (p != NULL) *p = '\0';
if (channel[0] == '!') {
chanrec = channel_find(SERVER(server),
channel+(channel[1] == '!'));
if (chanrec != NULL && !chanrec->names_got) {
chanrec->left = TRUE;
channel_destroy(chanrec);
}
}
g_free(params);
}
static void event_target_unavailable(IRC_SERVER_REC *server, const char *data)
{
char *params, *channel;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, NULL, &channel);
if (ischannel(*channel)) {
/* channel is unavailable - try to join again a bit later */
event_cannot_join(server, data);
}
g_free(params);
}
static void channel_change_topic(IRC_SERVER_REC *server, const char *channel,
const char *topic, const char *setby,
time_t settime)
{
CHANNEL_REC *chanrec;
chanrec = channel_find(SERVER(server), channel);
if (chanrec == NULL) return;
if (topic != NULL) {
g_free_not_null(chanrec->topic);
chanrec->topic = *topic == '\0' ? NULL : g_strdup(topic);
}
g_free_not_null(chanrec->topic_by);
chanrec->topic_by = g_strdup(setby);
chanrec->topic_time = settime;
signal_emit("channel topic changed", 1, chanrec);
}
static void event_topic_get(IRC_SERVER_REC *server, const char *data)
{
char *params, *channel, *topic;
g_return_if_fail(data != NULL);
params = event_get_params(data, 3, NULL, &channel, &topic);
channel_change_topic(server, channel, topic, NULL, 0);
g_free(params);
}
static void event_topic(IRC_SERVER_REC *server, const char *data,
const char *nick, const char *addr)
{
char *params, *channel, *topic, *mask;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, &channel, &topic);
mask = addr == NULL ? g_strdup(nick) :
g_strconcat(nick, "!", addr, NULL);
channel_change_topic(server, channel, topic, mask, time(NULL));
g_free(mask);
g_free(params);
}
static void event_topic_info(IRC_SERVER_REC *server, const char *data)
{
char *params, *channel, *topicby, *topictime;
time_t t;
g_return_if_fail(data != NULL);
params = event_get_params(data, 4, NULL, &channel,
&topicby, &topictime);
t = (time_t) atol(topictime);
channel_change_topic(server, channel, NULL, topicby, t);
g_free(params);
}
/* Find any unjoined channel that matches `channel'. Long channel names are
also a bit problematic, so find a channel where start of the name matches. */
static IRC_CHANNEL_REC *channel_find_unjoined(IRC_SERVER_REC *server,
const char *channel)
{
GSList *tmp;
int len;
len = strlen(channel);
for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
IRC_CHANNEL_REC *rec = tmp->data;
if (!IS_IRC_CHANNEL(rec) || rec->joined)
continue;
if (g_strncasecmp(channel, rec->name, len) == 0 &&
(len > 20 || rec->name[len] == '\0'))
return rec;
}
return NULL;
}
static void event_join(IRC_SERVER_REC *server, const char *data, const char *nick, const char *address)
{
char *params, *channel, *tmp, *shortchan;
IRC_CHANNEL_REC *chanrec;
g_return_if_fail(data != NULL);
if (g_strcasecmp(nick, server->nick) != 0) {
/* someone else joined channel, no need to do anything */
return;
}
if (server->userhost == NULL)
server->userhost = g_strdup(address);
params = event_get_params(data, 1, &channel);
tmp = strchr(channel, 7); /* ^G does something weird.. */
if (tmp != NULL) *tmp = '\0';
if (*channel != '!')
shortchan = NULL;
else {
/* !channels have 5 chars long identification string before
it's name, it's not known when /join is called so rename
!channel here to !ABCDEchannel */
shortchan = g_strdup_printf("!%s", channel+6);
chanrec = channel_find_unjoined(server, shortchan);
if (chanrec != NULL) {
channel_change_name(CHANNEL(chanrec), channel);
g_free(chanrec->name);
chanrec->name = g_strdup(channel);
} else {
/* well, did we join it with full name? if so, and if
this was the first short one, change it's name. */
chanrec = channel_find_unjoined(server, channel);
if (chanrec != NULL &&
irc_channel_find(server, shortchan) == NULL) {
channel_change_visible_name(CHANNEL(chanrec),
shortchan);
}
}
}
chanrec = irc_channel_find(server, channel);
if (chanrec != NULL && chanrec->joined) {
/* already joined this channel - this check was added
here because of broken irssi proxy :) */
g_free(shortchan);
g_free(params);
return;
}
if (chanrec == NULL) {
/* look again, because of the channel name cut issues. */
chanrec = channel_find_unjoined(server, channel);
}
if (chanrec == NULL) {
/* didn't get here with /join command.. */
chanrec = irc_channel_create(server, channel, shortchan, TRUE);
}
chanrec->joined = TRUE;
if (strcmp(chanrec->name, channel) != 0) {
g_free(chanrec->name);
chanrec->name = g_strdup(channel);
}
g_free(shortchan);
g_free(params);
}
static void event_part(IRC_SERVER_REC *server, const char *data, const char *nick)
{
char *params, *channel, *reason;
CHANNEL_REC *chanrec;
g_return_if_fail(data != NULL);
if (g_strcasecmp(nick, server->nick) != 0) {
/* someone else part, no need to do anything here */
return;
}
params = event_get_params(data, 2, &channel, &reason);
chanrec = channel_find(SERVER(server), channel);
if (chanrec != NULL && chanrec->joined) {
chanrec->left = TRUE;
channel_destroy(chanrec);
}
g_free(params);
}
static void event_kick(IRC_SERVER_REC *server, const char *data)
{
CHANNEL_REC *chanrec;
char *params, *channel, *nick, *reason;
g_return_if_fail(data != NULL);
params = event_get_params(data, 3, &channel, &nick, &reason);
if (g_strcasecmp(nick, server->nick) != 0) {
/* someone else was kicked, no need to do anything */
g_free(params);
return;
}
chanrec = channel_find(SERVER(server), channel);
if (chanrec != NULL) {
irc_server_purge_output(server, channel);
chanrec->kicked = TRUE;
channel_destroy(chanrec);
}
g_free(params);
}
static void event_invite(IRC_SERVER_REC *server, const char *data)
{
char *params, *channel;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, NULL, &channel);
if (irc_channel_find(server, channel) == NULL) {
/* check if we're supposed to autojoin this channel */
CHANNEL_SETUP_REC *setup;
setup = channel_setup_find(channel, server->connrec->chatnet);
if (setup != NULL && setup->autojoin && settings_get_bool("join_auto_chans_on_invite"))
server->channels_join(SERVER(server), channel, TRUE);
}
g_free_not_null(server->last_invite);
server->last_invite = g_strdup(channel);
g_free(params);
}
void channel_events_init(void)
{
settings_add_bool("misc", "join_auto_chans_on_invite", TRUE);
signal_add_first("event 403", (SIGNAL_FUNC) event_no_such_channel); /* no such channel */
signal_add_first("event 405", (SIGNAL_FUNC) event_cannot_join); /* too many channels */
signal_add_first("event 407", (SIGNAL_FUNC) event_duplicate_channel); /* duplicate channel */
signal_add_first("event 442", (SIGNAL_FUNC) event_cannot_join); /* not on that channel (dalnet) */
signal_add_first("event 477", (SIGNAL_FUNC) event_cannot_join); /* need to be identify to registered nick (dalnet) */
signal_add_first("event 471", (SIGNAL_FUNC) event_cannot_join); /* channel is full */
signal_add_first("event 473", (SIGNAL_FUNC) event_cannot_join); /* invite only */
signal_add_first("event 474", (SIGNAL_FUNC) event_cannot_join); /* banned */
signal_add_first("event 475", (SIGNAL_FUNC) event_cannot_join); /* bad channel key */
signal_add_first("event 476", (SIGNAL_FUNC) event_cannot_join); /* bad channel mask */
signal_add_first("event 379", (SIGNAL_FUNC) event_cannot_join); /* forwarding to another channel */
signal_add("event topic", (SIGNAL_FUNC) event_topic);
signal_add_first("event join", (SIGNAL_FUNC) event_join);
signal_add("event part", (SIGNAL_FUNC) event_part);
signal_add("event kick", (SIGNAL_FUNC) event_kick);
signal_add("event invite", (SIGNAL_FUNC) event_invite);
signal_add("event 332", (SIGNAL_FUNC) event_topic_get);
signal_add("event 333", (SIGNAL_FUNC) event_topic_info);
signal_add_first("event 437", (SIGNAL_FUNC) event_target_unavailable); /* channel/nick unavailable */
}
void channel_events_deinit(void)
{
signal_remove("event 403", (SIGNAL_FUNC) event_no_such_channel); /* no such channel */
signal_remove("event 405", (SIGNAL_FUNC) event_cannot_join); /* too many channels */
signal_remove("event 407", (SIGNAL_FUNC) event_duplicate_channel); /* duplicate channel */
signal_remove("event 442", (SIGNAL_FUNC) event_cannot_join); /* not on that channel (dalnet) */
signal_remove("event 477", (SIGNAL_FUNC) event_cannot_join); /* need to be identify to registered nick (dalnet) */
signal_remove("event 471", (SIGNAL_FUNC) event_cannot_join); /* channel is full */
signal_remove("event 473", (SIGNAL_FUNC) event_cannot_join); /* invite only */
signal_remove("event 474", (SIGNAL_FUNC) event_cannot_join); /* banned */
signal_remove("event 475", (SIGNAL_FUNC) event_cannot_join); /* bad channel key */
signal_remove("event 476", (SIGNAL_FUNC) event_cannot_join); /* bad channel mask */
signal_remove("event 379", (SIGNAL_FUNC) event_cannot_join); /* forwarding to another channel */
signal_remove("event topic", (SIGNAL_FUNC) event_topic);
signal_remove("event join", (SIGNAL_FUNC) event_join);
signal_remove("event part", (SIGNAL_FUNC) event_part);
signal_remove("event kick", (SIGNAL_FUNC) event_kick);
signal_remove("event invite", (SIGNAL_FUNC) event_invite);
signal_remove("event 332", (SIGNAL_FUNC) event_topic_get);
signal_remove("event 333", (SIGNAL_FUNC) event_topic_info);
signal_remove("event 437", (SIGNAL_FUNC) event_target_unavailable); /* channel/nick unavailable */
}
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