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Initial commit of Command & Conquer Renegade source code.
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LFeenanEA
345
Code/Commando/GameSpyBanList.cpp
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345
Code/Commando/GameSpyBanList.cpp
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/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Renegade *
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* *
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* $Archive:: /Commando/Code/Commando/GameSpyBanList.cpp $*
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* *
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* Original Author:: Brian Hayes *
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* *
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* $Author:: Bhayes $*
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* *
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* $Modtime:: 3/15/02 2:55p $*
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* *
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* $Revision:: 3 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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//
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// Filename: GameSpyBanList.cpp
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// Author: Brian Hayes
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// Date: Mar 2002
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// Description: Maintains a list of banned nicknames/hashes/ipaddresses for GameSpy Servers
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//
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#include "cnetwork.h"
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#include "listnode.h"
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#include "GameSpyBanList.h"
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#include "ini.h"
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#include "registry.h"
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#include "rawfile.h"
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#include "gamespyauthmgr.h"
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#include "sctextobj.h"
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#include "consolemode.h"
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#include "gamesideservercontrol.h"
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cGameSpyBanList GameSpyBanList;
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BanEntry::BanEntry(const char *name, const char *ip, const char *hash_id, const char *ip_mask, bool rtype) {
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memset(nickname, 0, sizeof(nickname));
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ipaddress = 0;
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ipmask = 0xffffffff;
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memset(hashid, 0, sizeof(hashid));
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ruletype = rtype;
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if (name) {
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strncpy(nickname, name, sizeof(nickname) - 1);
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}
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if (ip) ipaddress = inet_addr(ip);
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if (hash_id) {
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strncpy(hashid, hash_id, sizeof(hashid) - 1);
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}
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if (ip_mask) {
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ipmask = inet_addr(ip_mask);
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if (!ipmask) ipmask = 0xffffffff;
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}
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}
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cGameSpyBanList::cGameSpyBanList() : BanList(NULL) {
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BanList = new List<BanEntry *> ();
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}
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cGameSpyBanList::~cGameSpyBanList() {
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BanList->Delete();
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delete BanList;
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}
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void cGameSpyBanList::Ban_User(const char *nickname, const char *challenge_response, DWORD ipaddr) {
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char *buff = NULL;
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char *q = NULL;
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FILE *outf = NULL;
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BanEntry *t = NULL;
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if (nickname && !challenge_response) {
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q = buff = new char[(strlen(nickname)*2)+1];
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const char *n = nickname;
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while (*n) {
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if (*n == '%') *q++ = '%';
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*q++ = *n++;
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}
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*q = 0;
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t = new BanEntry(buff);
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delete [] buff;
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} else if (challenge_response) {
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t = new BanEntry(NULL, NULL, challenge_response);
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} else if (ipaddr) {
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t = new BanEntry(NULL, cNetUtil::Address_To_String(ipaddr));
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} else {
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return;
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}
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BanList->Add_Tail(t);
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outf = fopen("banlist.txt", "at");
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if (outf) {
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fprintf(outf, "\"%s\" \"%s\" \"%s\" \"%s\" \"%s\"; \"%s\" console BAN\n", t->Get_Rule_Type() ? "Allow" : "Deny",
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t->Get_Nick_Name(), t->Get_Hash_ID(),
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t->Get_Ip_Address() ? cNetUtil::Address_To_String(t->Get_Ip_Address()) : "",
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t->Get_Ip_Address() ? "255.255.255.255" : "", nickname ? nickname : "");
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fclose(outf);
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}
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}
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void cGameSpyBanList::Think(void) {
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cPlayer *player = NULL;
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for (SLNode<cPlayer> *player_node = cPlayerManager::Get_Player_Object_List ()->Head ()
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; player_node != NULL; player_node = player_node->Next ()) {
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player = player_node->Data ();
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WWASSERT (player != NULL);
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if (player->Get_Is_Active().Is_False() || !player->Is_Human()) {
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continue;
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}
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if (player->Get_GameSpy_Kick_State() == GAMESPY_KICK_STATE_BEGIN &&
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TIMEGETTIME() - player->Get_GameSpy_Kick_State_Entry_Time_Ms() > 3000) {
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Final_Player_Kick(player->Get_Id());
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} else if (player->Get_GameSpy_Kick_State() == GAMESPY_KICK_STATE_INITIAL &&
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player->Get_GameSpy_Auth_State() == GAMESPY_AUTH_STATE_ACCEPTED) {
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if (Is_User_Banned(StringClass(player->Get_Name()), player->Get_GameSpy_Hash_Id(),
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player->Get_Ip_Address())) {
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Begin_Player_Kick(player->Get_Id());
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} else {
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player->Set_GameSpy_Kick_State(GAMESPY_KICK_STATE_APPROVED);
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}
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}
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}
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}
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bool cGameSpyBanList::Begin_Player_Kick(int id) {
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cPlayer *player = cPlayerManager::Find_Player(id);
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if (player && player->Get_Is_Active().Is_True() && player->Is_Human()) {
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cScTextObj * p_message = new cScTextObj;
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p_message->Init(L"You've been kicked from the server. Please quit.", TEXT_MESSAGE_PRIVATE, true, HOST_TEXT_SENDER, player->Get_Id());
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player->Set_GameSpy_Kick_State(GAMESPY_KICK_STATE_BEGIN);
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return true;
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}
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return false;
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}
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bool cGameSpyBanList::Final_Player_Kick(int id) {
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cPlayer *player = cPlayerManager::Find_Player(id);
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if (player && player->Get_Is_Active().Is_True() && player->Is_Human()) {
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StringClass user_name = player->Get_Name();
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ConsoleBox.Print("%s was kicked\n", user_name);
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player->Set_GameSpy_Kick_State(GAMESPY_KICK_STATE_KICKED);
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cNetwork::Server_Kill_Connection(id);
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cNetwork::Cleanup_After_Client(id);
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return true;
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}
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return false;
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}
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bool cGameSpyBanList::Is_User_Banned(const char *nickname, const char *challenge_response,
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DWORD ipaddress) {
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BanEntry *t = BanList->First();
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bool ret = false;
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for (;t && t->Is_Valid(); t = t->Next()) {
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if (challenge_response && *challenge_response &&
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strcmp(challenge_response, t->Get_Hash_ID()) == 0) {
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ret = true;
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} else if (t->Get_Hash_ID() && strlen(t->Get_Hash_ID())){
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ret = false;
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continue;
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}
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if (ipaddress && t->Get_Ip_Address() && ((ipaddress & t->Get_Ip_Netmask()) ==
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(t->Get_Ip_Address() & t->Get_Ip_Netmask()))) {
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ret = true;
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} else if (t->Get_Ip_Address()) {
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ret = false;
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continue;
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}
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if (t->Get_Nick_Name() && nickname && strlen(t->Get_Nick_Name()) && strlen(nickname)) {
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char *a = strdup(t->Get_Nick_Name());
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char *b = strdup(nickname);
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_strupr(a); _strupr(b);
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//
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// This code means that you can put a BAN name in as
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// "%foo" == match on "foo" at the end of the string
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// "foo%" == match on "foo" at the beginning of the string
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// "%foo%" == match on "foo" anywhere in the string
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//
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// to match on a literal % in the nickname use %%
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//
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// Note the use of small var names to make it even more confusing
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if ( ((a[0] == '%') && (a[1] != '%')) &&
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((a[strlen(a)-1] == '%') && (a[strlen(a)-2] != '%')) ) {
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a[0] = 0;
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a[strlen(&a[1])] = 0;
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Strip_Escapes(&a[1]);
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ret = (strstr(b, &a[1]) != NULL);
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} else if ((a[0] == '%') && (a[1] != '%')) {
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a[0] = 0;
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Strip_Escapes(&a[1]);
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if (strlen(b) > (strlen(&a[1])-1)) {
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ret = (strcmp(&b[strlen(b)-strlen(&a[1])], &a[1]) == 0);
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}
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} else if (strlen(a) > 1 && (a[strlen(a)-1] == '%') && (a[strlen(a)-2] != '%')) {
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a[strlen(a)-1] = 0;
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Strip_Escapes(a);
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if (strlen(b) > (strlen(a)-1)) {
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b[strlen(a)] = 0;
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ret = (strcmp(b, a) == 0);
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}
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} else {
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Strip_Escapes(a);
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ret = (strcmp(b, a) == 0);
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}
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free(a); free(b);
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}
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if (ret) {
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ret = !t->Get_Rule_Type();
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break;
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}
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}
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if (t && t->Is_Valid()) {
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// matched on a rule
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return ret;
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} else {
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// Everyone is good if they don't match a rule
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return false;
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}
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}
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void cGameSpyBanList::Strip_Escapes(char *var) {
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char *q = (char *)var;
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while ((q = strstr(q, "%%")) != NULL) {
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memmove(q, q+1, strlen(q));
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q++;
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}
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}
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void cGameSpyBanList::LoadBans(void) {
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char buff[512];
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FILE *outf = NULL;
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if (!BanList->Is_Empty()) BanList->Delete();
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outf = fopen("banlist.txt", "rt");
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if (!outf) return;
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buff[sizeof(buff)-1] = 0;
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while (fgets(buff, sizeof(buff)-1, outf)) {
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// Format of each line "ruletype" "nickname" "hashid" "ip" "netmask"
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char *nickname = NULL;
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char *ruletype = NULL;
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char *ip = NULL;
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char *hashid = NULL;
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char *ipmask = NULL;
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if (strlen(buff) < 3) continue;
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if (buff[0] == ';') continue;
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char *s = strchr(buff, '"');
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if (!s) continue;
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*s++ = 0;
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char *q = strchr(s, '"');
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if (!q) continue;
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*q++ = 0;
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ruletype = s;
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s = strchr(q, '"');
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if (!s) continue;
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*s++ = 0;
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q = strchr(s, '"');
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if (!q) continue;
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*q++ = 0;
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nickname = s;
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while (q) {
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s = strchr(q, '"');
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if (!s) break;
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*s++ = 0;
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q = strchr(s, '"');
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if (!q) break;
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*q++ = 0;
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hashid = s;
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s = strchr(q, '"');
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if (!s) break;
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*s++ = 0;
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q = strchr(s, '"');
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if (!q) break;
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*q++ = 0;
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ip = s;
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s = strchr(q, '"');
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if (!s) break;
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*s++ = 0;
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q = strchr(s, '"');
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if (!q) break;
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*q++ = 0;
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ipmask = s;
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break;
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}
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BanEntry *t = new BanEntry(nickname, ip, hashid, ipmask, stricmp(ruletype, "Allow") == 0);
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BanList->Add_Tail(t);
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}
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fclose(outf);
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}
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