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unrealircd/src/modules/extbans/operclass.c
T
2021-09-10 13:39:26 +02:00

106 lines
2.5 KiB
C

/*
* Extended ban type: ban (or rather: exempt or invex) an operclass.
* (C) Copyright 2003-.. Bram Matthys (Syzop) and the UnrealIRCd team
*
* 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
= {
"extbans/operclass",
"4.2",
"ExtBan ~O - Ban/exempt operclass",
"UnrealIRCd Team",
"unrealircd-6",
};
/* Forward declarations */
const char *extban_operclass_conv_param(BanContext *b, Extban *extban);
int extban_operclass_is_banned(BanContext *b);
/** Called upon module init */
MOD_INIT()
{
ExtbanInfo req;
memset(&req, 0, sizeof(req));
req.letter = 'O';
req.name = "operclass";
req.is_ok = NULL;
req.conv_param = extban_operclass_conv_param;
req.is_banned = extban_operclass_is_banned;
req.is_banned_events = BANCHK_ALL;
req.options = EXTBOPT_INVEX;
if (!ExtbanAdd(modinfo->handle, req))
{
config_error("could not register extended ban type");
return MOD_FAILED;
}
MARK_AS_OFFICIAL_MODULE(modinfo);
return MOD_SUCCESS;
}
/** Called upon module load */
MOD_LOAD()
{
return MOD_SUCCESS;
}
/** Called upon unload */
MOD_UNLOAD()
{
return MOD_SUCCESS;
}
#define OPERCLASSLEN 64
const char *extban_operclass_conv_param(BanContext *b, Extban *extban)
{
static char retbuf[OPERCLASSLEN + 4];
char *p;
strlcpy(retbuf, b->banstr, sizeof(retbuf));
/* allow alpha, numeric, -, _, * and ? wildcards */
for (p = retbuf; *p; p++)
if (!strchr("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_?*", *p))
*p = '\0';
if (retbuf[3] == '\0')
return NULL; /* just "~O:" is invalid */
return retbuf;
}
int extban_operclass_is_banned(BanContext *b)
{
if (MyUser(b->client) && IsOper(b->client))
{
char *operclass = NULL;
ConfigItem_oper *oper = find_oper(b->client->user->operlogin);
if (oper && oper->operclass)
operclass = oper->operclass;
if (operclass && match_simple(b->banstr, operclass))
return 1;
}
return 0;
}