pissircd/src/modules/nocodes.c

103 lines
2.9 KiB
C

/*
* "No Codes", a very simple (but often requested) module written by Syzop.
* This module will strip messages with bold/underline/reverse if chanmode
* +S is set, and block them if +c is set.
*
* 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "unrealircd.h"
ModuleHeader MOD_HEADER
= {
"nocodes", /* Name of module */
"1.3", /* Version */
"Strip/block color/bold/underline/italic/reverse - by Syzop", /* Short description of module */
"UnrealIRCd Team", /* Author */
"unrealircd-6",
};
int nocodes_can_send_to_channel(Client *client, Channel *channel, Membership *lp, const char **msg, const char **errmsg, SendType sendtype);
MOD_INIT()
{
MARK_AS_OFFICIAL_MODULE(modinfo);
HookAdd(modinfo->handle, HOOKTYPE_CAN_SEND_TO_CHANNEL, 0, nocodes_can_send_to_channel);
return MOD_SUCCESS;
}
MOD_LOAD()
{
return MOD_SUCCESS;
}
MOD_UNLOAD()
{
return MOD_SUCCESS;
}
static int has_controlcodes(const char *p)
{
for (; *p; p++)
if ((*p == '\002') || (*p == '\037') || (*p == '\026') || (*p == '\035')) /* bold, underline, reverse, italic */
return 1;
return 0;
}
int nocodes_can_send_to_channel(Client *client, Channel *channel, Membership *lp, const char **msg, const char **errmsg, SendType sendtype)
{
static char retbuf[4096];
Hook *h;
int i;
if (has_channel_mode(channel, 'S'))
{
if (!has_controlcodes(*msg))
return HOOK_CONTINUE;
for (h = Hooks[HOOKTYPE_CAN_BYPASS_CHANNEL_MESSAGE_RESTRICTION]; h; h = h->next)
{
i = (*(h->func.intfunc))(client, channel, BYPASS_CHANMSG_COLOR);
if (i == HOOK_ALLOW)
return HOOK_CONTINUE; /* bypass +S restriction */
if (i != HOOK_CONTINUE)
break;
}
strlcpy(retbuf, StripControlCodes(*msg), sizeof(retbuf));
*msg = retbuf;
return HOOK_CONTINUE;
} else
if (has_channel_mode(channel, 'c'))
{
if (!has_controlcodes(*msg))
return HOOK_CONTINUE;
for (h = Hooks[HOOKTYPE_CAN_BYPASS_CHANNEL_MESSAGE_RESTRICTION]; h; h = h->next)
{
i = (*(h->func.intfunc))(client, channel, BYPASS_CHANMSG_COLOR);
if (i == HOOK_ALLOW)
return HOOK_CONTINUE; /* bypass +c restriction */
if (i != HOOK_CONTINUE)
break;
}
*errmsg = "Control codes (color/bold/underline/italic/reverse) are not permitted in this channel";
return HOOK_DENY;
}
return HOOK_CONTINUE;
}