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/*
bot-events.c : IRC bot plugin for irssi
Copyright (C) 1999 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 "commands.h"
#include "irc.h"
#include "irc-servers.h"
#include "irc-channels.h"
#include "nicklist.h"
#include "modes.h"
#include "netsplit.h"
#include "bot-users.h"
static int get_flags(USER_REC *user, IRC_CHANNEL_REC *channel)
{
USER_CHAN_REC *userchan;
g_return_val_if_fail(user != NULL, 0);
g_return_val_if_fail(channel != NULL, 0);
userchan = g_hash_table_lookup(user->channels, channel->name);
return (user->flags | (userchan == NULL ? 0 : userchan->flags)) &
(~user->not_flags);
}
static void event_massjoin(IRC_CHANNEL_REC *channel, GSList *users)
{
USER_REC *user;
USER_CHAN_REC *userchan;
NICK_REC *nick;
GString *modestr, *nickstr;
int flags;
g_return_if_fail(channel != NULL);
g_return_if_fail(users != NULL);
modestr = g_string_new(NULL);
nickstr = g_string_new(NULL);
for (; users != NULL; users = users->next) {
user = users->data;
userchan = g_hash_table_lookup(user->channels, channel->name);
nick = userchan->nickrec;
flags = get_flags(user, channel);
if (!nick->op && (flags & USER_AUTO_OP)) {
g_string_sprintfa(modestr, "+o");
g_string_sprintfa(nickstr, "%s,", nick->nick);
}
if (!nick->voice && !nick->op && (flags & USER_AUTO_VOICE)) {
g_string_sprintfa(modestr, "+v");
g_string_sprintfa(nickstr, "%s,", nick->nick);
}
}
if (nickstr->len > 0) {
g_string_truncate(nickstr, nickstr->len-1);
g_string_sprintfa(modestr, " %s", nickstr->str);
channel_set_mode(channel->server, channel->name, modestr->str);
}
g_string_free(modestr, TRUE);
g_string_free(nickstr, TRUE);
}
/* Parse channel mode string */
static void parse_channel_mode(IRC_CHANNEL_REC *channel, const char *mode,
const char *nick, const char *address)
{
NICK_REC *nickrec, *splitnick;
USER_REC *user;
GString *str;
char *ptr, *curmode, type, *dup, *modestr;
int flags;
g_return_if_fail(channel != NULL);
g_return_if_fail(nick != NULL);
g_return_if_fail(mode != NULL);
user = botuser_find(nick, address);
flags = user == NULL ? 0 : get_flags(user, channel);
if (!channel->chanop || (flags & USER_MASTER) ||
g_strcasecmp(nick, channel->server->nick) == 0) {
/* can't do anything or we/master did mode change,
don't bother checking what */
return;
}
/* check if unwanted people got ops */
str = g_string_new(NULL);
dup = modestr = g_strdup(mode);
type = '+';
curmode = cmd_get_param(&modestr);
for (; *curmode != '\0'; curmode++) {
if (*curmode == '+' || *curmode == '-') {
type = *curmode;
continue;
}
if (!HAS_MODE_ARG(type, *curmode))
ptr = NULL;
else {
ptr = cmd_get_param(&modestr);
if (*ptr == '\0') continue;
}
if (*curmode != 'o')
continue;
if (type == '-' && strcmp(channel->server->nick, ptr) == 0) {
/* we aren't chanop anymore .. */
g_string_truncate(str, 0);
break;
}
if (type != '+')
continue;
/* check that op is valid */
nickrec = nicklist_find(CHANNEL(channel), ptr);
if (nickrec == NULL || nickrec->host == NULL)
continue;
user = botuser_find(ptr, nickrec->host);
flags = user == NULL ? 0 : get_flags(user, channel);
if (flags & USER_OP)
continue;
if (address == NULL) {
/* server opped, check if user was opped before netsplit. */
splitnick = netsplit_find_channel(channel->server, nickrec->nick, nickrec->host, channel->name);
if (splitnick != NULL && splitnick->op)
continue;
}
/* this one isn't supposed to get ops! */
g_string_sprintfa(str, "%s ", ptr);
}
g_free(dup);
if (str->len != 0)
signal_emit("command deop", 3, str->str, channel->server, channel);
g_string_free(str, TRUE);
}
static void event_mode(IRC_SERVER_REC *server, const char *data,
const char *nick, const char *address)
{
IRC_CHANNEL_REC *chanrec;
char *params, *channel, *mode;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2 | PARAM_FLAG_GETREST, &channel, &mode);
if (ischannel(*channel)) {
/* channel mode change */
chanrec = irc_channel_find(server, channel);
if (chanrec != NULL)
parse_channel_mode(chanrec, mode, nick, address);
}
g_free(params);
}
void bot_events_init(void)
{
signal_add_last("bot massjoin", (SIGNAL_FUNC) event_massjoin);
signal_add("event mode", (SIGNAL_FUNC) event_mode);
}
void bot_events_deinit(void)
{
signal_remove("bot massjoin", (SIGNAL_FUNC) event_massjoin);
signal_remove("event mode", (SIGNAL_FUNC) event_mode);
}
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