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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
*
* 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"
#include "hashcomp.h"
bool OneOfMatches(const char* host, const char* ip, const char* hostlist);
/** Handle /OPER. These command handlers can be reloaded by the core,
* and handle basic RFC1459 commands. Commands within modules work
* the same way, however, they can be fully unloaded, where these
* may not.
*/
class CommandOper : public SplitCommand
{
public:
/** Constructor for oper.
*/
CommandOper ( Module* parent) : SplitCommand(parent,"OPER",2,2) { syntax = "<username> <password>"; }
/** Handle command.
* @param parameters The parameters to the comamnd
* @param pcnt The number of parameters passed to teh command
* @param user The user issuing the command
* @return A value from CmdResult to indicate command success or failure.
*/
CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser *user);
};
bool OneOfMatches(const char* host, const char* ip, const std::string& hostlist)
{
std::stringstream hl(hostlist);
std::string xhost;
while (hl >> xhost)
{
if (InspIRCd::Match(host, xhost, ascii_case_insensitive_map) || InspIRCd::MatchCIDR(ip, xhost, ascii_case_insensitive_map))
{
return true;
}
}
return false;
}
CmdResult CommandOper::HandleLocal(const std::vector<std::string>& parameters, LocalUser *user)
{
char TheHost[MAXBUF];
char TheIP[MAXBUF];
bool match_login = false;
bool match_pass = false;
bool match_hosts = false;
snprintf(TheHost,MAXBUF,"%s@%s",user->ident.c_str(),user->host.c_str());
snprintf(TheIP, MAXBUF,"%s@%s",user->ident.c_str(),user->GetIPString());
OperIndex::iterator i = ServerInstance->Config->oper_blocks.find(parameters[0]);
if (i != ServerInstance->Config->oper_blocks.end())
{
OperInfo* ifo = i->second;
ConfigTag* tag = ifo->oper_block;
match_login = true;
match_pass = !ServerInstance->PassCompare(user, tag->getString("password"), parameters[1], tag->getString("hash"));
match_hosts = OneOfMatches(TheHost,TheIP,tag->getString("host"));
if (match_pass && match_hosts)
{
/* found this oper's opertype */
user->Oper(ifo);
return CMD_SUCCESS;
}
}
char broadcast[MAXBUF];
std::string fields;
if (!match_login)
fields.append("login ");
if (!match_pass)
fields.append("password ");
if (!match_hosts)
fields.append("hosts");
// tell them they suck, and lag them up to help prevent brute-force attacks
user->WriteNumeric(491, "%s :Invalid oper credentials",user->nick.c_str());
user->CommandFloodPenalty += 10000;
snprintf(broadcast, MAXBUF, "WARNING! Failed oper attempt by %s!%s@%s using login '%s': The following fields do not match: %s", user->nick.c_str(), user->ident.c_str(), user->host.c_str(), parameters[0].c_str(), fields.c_str());
ServerInstance->SNO->WriteGlobalSno('o',std::string(broadcast));
ServerInstance->Logs->Log("OPER",DEFAULT,"OPER: Failed oper attempt by %s!%s@%s using login '%s': The following fields did not match: %s", user->nick.c_str(), user->ident.c_str(), user->host.c_str(), parameters[0].c_str(), fields.c_str());
return CMD_FAILURE;
}
COMMAND_INIT(CommandOper)
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