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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013, 2017 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
* Copyright (C) 2008, 2010 Craig Edwards <brain@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
*
* This file is part of InspIRCd. InspIRCd 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, version 2.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
static bool MatchInternal(const unsigned char* str, const unsigned char* mask, unsigned const char* map)
{
unsigned char* cp = NULL;
unsigned char* mp = NULL;
unsigned char* string = (unsigned char*)str;
unsigned char* wild = (unsigned char*)mask;
while ((*string) && (*wild != '*'))
{
if ((map[*wild] != map[*string]) && (*wild != '?'))
{
return 0;
}
wild++;
string++;
}
while (*string)
{
if (*wild == '*')
{
if (!*++wild)
{
return 1;
}
mp = wild;
cp = string+1;
}
else
if ((map[*wild] == map[*string]) || (*wild == '?'))
{
wild++;
string++;
}
else
{
wild = mp;
string = cp++;
}
}
while (*wild == '*')
{
wild++;
}
return !*wild;
}
// Below here is all wrappers around MatchInternal
bool InspIRCd::Match(const std::string& str, const std::string& mask, unsigned const char* map)
{
if (!map)
map = national_case_insensitive_map;
return MatchInternal((const unsigned char*)str.c_str(), (const unsigned char*)mask.c_str(), map);
}
bool InspIRCd::Match(const char* str, const char* mask, unsigned const char* map)
{
if (!map)
map = national_case_insensitive_map;
return MatchInternal((const unsigned char*)str, (const unsigned char*)mask, map);
}
bool InspIRCd::MatchCIDR(const std::string& str, const std::string& mask, unsigned const char* map)
{
if (irc::sockets::MatchCIDR(str, mask, true))
return true;
// Fall back to regular match
return InspIRCd::Match(str, mask, map);
}
bool InspIRCd::MatchCIDR(const char* str, const char* mask, unsigned const char* map)
{
if (irc::sockets::MatchCIDR(str, mask, true))
return true;
// Fall back to regular match
return InspIRCd::Match(str, mask, map);
}
bool InspIRCd::MatchMask(const std::string& masks, const std::string& hostname, const std::string& ipaddr)
{
irc::spacesepstream masklist(masks);
std::string mask;
while (masklist.GetToken(mask))
{
if (InspIRCd::Match(hostname, mask, ascii_case_insensitive_map) ||
InspIRCd::MatchCIDR(ipaddr, mask, ascii_case_insensitive_map))
{
return true;
}
}
return false;
}
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