sourcemod/core/logic/smn_banning.cpp

409 lines
10 KiB
C++

/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* 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/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include "common_logic.h"
#include <string.h>
#include <IGameHelpers.h>
#include <IPlayerHelpers.h>
#include <IForwardSys.h>
#include "stringutil.h"
#define BANFLAG_AUTO (1<<0) /**< Auto-detects whether to ban by steamid or IP */
#define BANFLAG_IP (1<<1) /**< Always ban by IP address */
#define BANFLAG_AUTHID (1<<2) /**< Ban by SteamID */
#define BANFLAG_NOKICK (1<<3) /**< Does not kick the client */
#define BANFLAG_NOWRITE (1<<4) /**< Ban is not written to SourceDS's files if permanent */
IForward *g_pOnBanClient = NULL;
IForward *g_pOnBanIdentity = NULL;
IForward *g_pOnRemoveBan = NULL;
class BanNativeHelpers : public SMGlobalClass
{
public:
void OnSourceModAllInitialized()
{
g_pOnBanClient = forwardsys->CreateForward(
"OnBanClient",
ET_Event,
7,
NULL,
Param_Cell,
Param_Cell,
Param_Cell,
Param_String,
Param_String,
Param_String,
Param_Cell);
g_pOnBanIdentity = forwardsys->CreateForward(
"OnBanIdentity",
ET_Event,
6,
NULL,
Param_String,
Param_Cell,
Param_Cell,
Param_String,
Param_String,
Param_Cell);
g_pOnRemoveBan = forwardsys->CreateForward(
"OnRemoveBan",
ET_Event,
4,
NULL,
Param_String,
Param_Cell,
Param_String,
Param_Cell);
}
void OnSourceModShutdown()
{
forwardsys->ReleaseForward(g_pOnBanClient);
forwardsys->ReleaseForward(g_pOnBanIdentity);
forwardsys->ReleaseForward(g_pOnRemoveBan);
g_pOnBanClient = NULL;
g_pOnBanIdentity = NULL;
g_pOnRemoveBan = NULL;
}
} s_BanNativeHelpers;
static cell_t BanIdentity(IPluginContext *pContext, const cell_t *params)
{
char *r_identity, *ban_reason, *ban_cmd;
int ban_time, ban_flags, ban_source;
pContext->LocalToString(params[1], &r_identity);
pContext->LocalToString(params[4], &ban_reason);
pContext->LocalToString(params[5], &ban_cmd);
ban_time = params[2];
ban_flags = params[3];
ban_source = params[6];
/* Make sure we can ban by one of the two methods! */
bool ban_by_ip = ((ban_flags & BANFLAG_IP) == BANFLAG_IP);
if (!ban_by_ip && ((ban_flags & BANFLAG_AUTHID) != BANFLAG_AUTHID))
{
return pContext->ThrowNativeError("No valid ban flags specified");
}
/* Sanitize the input */
char identity[64];
strncopy(identity, r_identity, sizeof(identity));
UTIL_ReplaceAll(identity, sizeof(identity), ";", "", true);
cell_t handled = 0;
if (ban_cmd[0] != '\0' && g_pOnBanIdentity->GetFunctionCount() > 0)
{
g_pOnBanIdentity->PushString(identity);
g_pOnBanIdentity->PushCell(ban_time);
g_pOnBanIdentity->PushCell(ban_flags);
g_pOnBanIdentity->PushString(ban_reason);
g_pOnBanIdentity->PushString(ban_cmd);
g_pOnBanIdentity->PushCell(ban_source);
g_pOnBanIdentity->Execute(&handled);
}
if (!handled)
{
bool write_ban = ((ban_flags & BANFLAG_NOWRITE) != BANFLAG_NOWRITE);
char command[256];
if (ban_by_ip)
{
smcore.Format(
command,
sizeof(command),
"addip %d %s\n",
ban_time,
identity);
engine->ServerCommand(command);
if (write_ban && ban_time == 0)
{
engine->ServerCommand("writeip\n");
}
}
else if (!gamehelpers->IsLANServer())
{
smcore.Format(
command,
sizeof(command),
"banid %d %s\n",
ban_time,
identity);
engine->ServerCommand(command);
if (write_ban && ban_time == 0)
{
engine->ServerCommand("writeid\n");
}
}
else
{
return 0;
}
}
return 1;
}
static cell_t RemoveBan(IPluginContext *pContext, const cell_t *params)
{
char *r_identity, *ban_cmd;
int ban_flags, ban_source;
pContext->LocalToString(params[1], &r_identity);
pContext->LocalToString(params[3], &ban_cmd);
ban_flags = params[2];
ban_source = params[4];
/* Make sure we can ban by one of the two methods! */
bool ban_by_ip = ((ban_flags & BANFLAG_IP) == BANFLAG_IP);
if (!ban_by_ip && ((ban_flags & BANFLAG_AUTHID) != BANFLAG_AUTHID))
{
return pContext->ThrowNativeError("No valid ban flags specified");
}
char identity[64];
strncopy(identity, r_identity, sizeof(identity));
UTIL_ReplaceAll(identity, sizeof(identity), ";", "", true);
cell_t handled = 0;
if (ban_cmd[0] != '\0' && g_pOnRemoveBan->GetFunctionCount() > 0)
{
g_pOnRemoveBan->PushString(identity);
g_pOnRemoveBan->PushCell(ban_flags);
g_pOnRemoveBan->PushString(ban_cmd);
g_pOnRemoveBan->PushCell(ban_source);
g_pOnRemoveBan->Execute(&handled);
}
char command[256];
if (ban_by_ip)
{
if (!handled)
{
smcore.Format(
command,
sizeof(command),
"removeip %s\n",
identity);
engine->ServerCommand(command);
engine->ServerCommand("writeip\n");
}
}
else if (!gamehelpers->IsLANServer())
{
if (!handled)
{
smcore.Format(
command,
sizeof(command),
"removeid %s\n",
identity);
engine->ServerCommand(command);
engine->ServerCommand("writeid\n");
}
}
else
{
return 0;
}
return 1;
}
static cell_t BanClient(IPluginContext *pContext, const cell_t *params)
{
const char *kick_message;
char *ban_reason, *ban_cmd;
int client, ban_flags, ban_source, ban_time;
client = gamehelpers->ReferenceToIndex(params[1]);
IGamePlayer *pPlayer = playerhelpers->GetGamePlayer(client);
if (!pPlayer || !pPlayer->IsConnected())
{
return pContext->ThrowNativeError("Client index %d is invalid", client);
}
if (pPlayer->IsFakeClient())
{
return pContext->ThrowNativeError("Cannot ban fake client %d", client);
}
pContext->LocalToString(params[4], &ban_reason);
pContext->LocalToString(params[5], (char **)&kick_message);
pContext->LocalToString(params[6], &ban_cmd);
ban_time = params[2];
ban_flags = params[3];
ban_source = params[7];
/* Check how we should ban the player */
if (!strcmp(smcore.GetSourceEngineName(), "darkmessiah"))
{
/* Dark Messiah doesn't have Steam IDs so there is only one ban method to choose */
ban_flags |= BANFLAG_IP;
ban_flags &= ~BANFLAG_AUTHID;
}
else if ((ban_flags & BANFLAG_AUTO) == BANFLAG_AUTO)
{
if (gamehelpers->IsLANServer() || !pPlayer->IsAuthorized())
{
ban_flags |= BANFLAG_IP;
ban_flags &= ~BANFLAG_AUTHID;
}
else
{
ban_flags |= BANFLAG_AUTHID;
ban_flags &= ~BANFLAG_IP;
}
}
else if ((ban_flags & BANFLAG_IP) == BANFLAG_IP)
{
ban_flags |= BANFLAG_IP;
ban_flags &= ~BANFLAG_AUTHID;
}
else if ((ban_flags & BANFLAG_AUTHID) == BANFLAG_AUTHID)
{
if (pPlayer->IsAuthorized())
{
ban_flags |= BANFLAG_AUTHID;
ban_flags &= ~BANFLAG_IP;
}
else
{
return 0;
}
}
else
{
return pContext->ThrowNativeError("No valid ban method flags specified");
}
cell_t handled = 0;
if (ban_cmd[0] != '\0' && g_pOnBanClient->GetFunctionCount() > 0)
{
g_pOnBanClient->PushCell(client);
g_pOnBanClient->PushCell(ban_time);
g_pOnBanClient->PushCell(ban_flags);
g_pOnBanClient->PushString(ban_reason);
g_pOnBanClient->PushString(kick_message);
g_pOnBanClient->PushString(ban_cmd);
g_pOnBanClient->PushCell(ban_source);
g_pOnBanClient->Execute(&handled);
}
/* Sanitize the kick message */
if (kick_message[0] == '\0')
{
kick_message = "Kicked";
}
if (!handled)
{
if ((ban_flags & BANFLAG_IP) == BANFLAG_IP)
{
/* Get the IP address and strip the port */
char ip[24], *ptr;
smcore.strncopy(ip, pPlayer->GetIPAddress(), sizeof(ip));
if ((ptr = strchr(ip, ':')) != NULL)
{
*ptr = '\0';
}
/* Tell the server to ban the ip */
char command[256];
smcore.Format(
command,
sizeof(command),
"addip %d %s\n",
ban_time,
ip);
/* Kick, then ban */
if ((ban_flags & BANFLAG_NOKICK) != BANFLAG_NOKICK)
{
pPlayer->Kick(kick_message);
}
engine->ServerCommand(command);
/* Physically write the ban */
if ((ban_time == 0) && ((ban_flags & BANFLAG_NOWRITE) != BANFLAG_NOWRITE))
{
engine->ServerCommand("writeip\n");
}
}
else if ((ban_flags & BANFLAG_AUTHID) == BANFLAG_AUTHID)
{
/* Tell the server to ban the auth string */
char command[256];
smcore.Format(
command,
sizeof(command),
"banid %d %s\n",
ban_time,
pPlayer->GetAuthString());
/* Kick, then ban */
if ((ban_flags & BANFLAG_NOKICK) != BANFLAG_NOKICK)
{
gamehelpers->AddDelayedKick(client, pPlayer->GetUserId(), kick_message);
}
engine->ServerCommand(command);
/* Physically write the ban if it's permanent */
if ((ban_time == 0) && ((ban_flags & BANFLAG_NOWRITE) != BANFLAG_NOWRITE))
{
engine->ServerCommand("writeid\n");
}
}
}
else if ((ban_flags & BANFLAG_NOKICK) != BANFLAG_NOKICK)
{
gamehelpers->AddDelayedKick(client, pPlayer->GetUserId(), kick_message);
}
return 1;
}
REGISTER_NATIVES(banNatives)
{
{"BanClient", BanClient},
{"BanIdentity", BanIdentity},
{"RemoveBan", RemoveBan},
{NULL, NULL}
};