core/AdminCache.cpp
author David Anderson <dvander@alliedmods.net>
Fri Feb 16 04:16:31 2007 +0000 (2007-02-16)
changeset 502 4530ea065a8b
parent 464 765517f654a5
child 514 4c02b38c26ed
permissions -rw-r--r--
fixed a serious potential bug with swapping plugins to debug mode, leaving stale function pointers without plugin removal
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/**
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 * ===============================================================
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 * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.
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 * ===============================================================
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 *
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 * This file is not open source and may not be copied without explicit
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 * written permission of AlliedModders LLC.  This file may not be redistributed 
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 * in whole or significant part.
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 * For information, see LICENSE.txt or http://www.sourcemod.net/license.php
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 *
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 * Version: $Id$
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 */
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#include <string.h>
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#include <assert.h>
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#include "AdminCache.h"
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#include "ShareSys.h"
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#include "ForwardSys.h"
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#include "CPlayerManager.h"
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AdminCache g_Admins;
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AdminCache::AdminCache()
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{
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	m_pCmdOverrides = sm_trie_create();
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	m_pCmdGrpOverrides = sm_trie_create();
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	m_pStrings = new BaseStringTable(1024);
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	m_pMemory = m_pStrings->GetMemTable();
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	m_FreeGroupList = m_FirstGroup = m_LastGroup = INVALID_GROUP_ID;
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	m_FreeUserList = m_FirstUser = m_LastUser = INVALID_ADMIN_ID;
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	m_pGroups = sm_trie_create();
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	m_pCacheFwd = NULL;
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	m_FirstGroup = -1;
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	m_pAuthTables = sm_trie_create();
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	m_InvalidatingAdmins = false;
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}
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AdminCache::~AdminCache()
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{
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	DumpAdminCache(AdminCache_Overrides, false);
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	DumpAdminCache(AdminCache_Groups, false);
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	sm_trie_destroy(m_pCmdGrpOverrides);
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	sm_trie_destroy(m_pCmdOverrides);
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	if (m_pGroups)
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	{
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		sm_trie_destroy(m_pGroups);
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	}
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	List<AuthMethod>::iterator iter;
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	for (iter=m_AuthMethods.begin();
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		 iter!=m_AuthMethods.end();
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		 iter++)
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	{
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		sm_trie_destroy((*iter).table);
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	}
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	sm_trie_destroy(m_pAuthTables);
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	delete m_pStrings;
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}
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void AdminCache::OnSourceModStartup(bool late)
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{
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	RegisterAuthIdentType("steam");
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	RegisterAuthIdentType("name");
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	RegisterAuthIdentType("ip");
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}
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void AdminCache::OnSourceModAllInitialized()
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{
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	m_pCacheFwd = g_Forwards.CreateForward("OnRebuildAdminCache", ET_Ignore, 1, NULL, Param_Cell);
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	g_ShareSys.AddInterface(NULL, this);
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}
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void AdminCache::OnSourceModShutdown()
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{
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	g_Forwards.ReleaseForward(m_pCacheFwd);
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	m_pCacheFwd = NULL;
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}
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void AdminCache::AddCommandOverride(const char *cmd, OverrideType type, FlagBits flags)
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{
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	Trie *pTrie = NULL;
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	if (type == Override_Command)
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	{
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		pTrie = m_pCmdOverrides;
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	} else if (type == Override_CommandGroup) {
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		pTrie = m_pCmdGrpOverrides;
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	} else {
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		return;
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	}
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	sm_trie_insert(pTrie, cmd, (void *)(unsigned int)flags);
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}
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bool AdminCache::GetCommandOverride(const char *cmd, OverrideType type, FlagBits *pFlags)
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{
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	Trie *pTrie = NULL;
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	if (type == Override_Command)
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	{
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		pTrie = m_pCmdOverrides;
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	} else if (type == Override_CommandGroup) {
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		pTrie = m_pCmdGrpOverrides;
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	} else {
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		return false;
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	}
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	void *object;
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	if (sm_trie_retrieve(pTrie, cmd, &object))
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	{
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		if (pFlags)
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		{
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			*pFlags = (FlagBits)object;
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		}
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		return true;
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	}
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	return false;
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}
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void AdminCache::UnsetCommandOverride(const char *cmd, OverrideType type)
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{
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	if (type == Override_Command)
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	{
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		return _UnsetCommandOverride(cmd);
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	} else if (type == Override_CommandGroup) {
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		return _UnsetCommandGroupOverride(cmd);
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	}
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}
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void AdminCache::_UnsetCommandGroupOverride(const char *group)
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{
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	if (!m_pCmdGrpOverrides)
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	{
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		return;
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	}
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	/* :TODO: Notify command system */
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	sm_trie_delete(m_pCmdGrpOverrides, group);
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}
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void AdminCache::_UnsetCommandOverride(const char *cmd)
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{
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	if (!m_pCmdOverrides)
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	{
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		return;
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	}
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	/* :TODO: Notify command system */
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	sm_trie_delete(m_pCmdOverrides, cmd);
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}
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void AdminCache::DumpCommandOverrideCache(OverrideType type)
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{
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	if (type == Override_Command && m_pCmdOverrides)
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	{
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		sm_trie_clear(m_pCmdOverrides);
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	} else if (type == Override_CommandGroup && m_pCmdGrpOverrides) {
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		sm_trie_clear(m_pCmdGrpOverrides);
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	}
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}
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AdminId AdminCache::CreateAdmin(const char *name)
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{
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	AdminId id;
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	AdminUser *pUser;
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	if (m_FreeUserList != INVALID_ADMIN_ID)
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	{
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		pUser = (AdminUser *)m_pMemory->GetAddress(m_FreeUserList);
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		assert(pUser->magic == USR_MAGIC_UNSET);
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		id = m_FreeUserList;
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		m_FreeUserList = pUser->next_user;
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	} else {
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		id = m_pMemory->CreateMem(sizeof(AdminUser), (void **)&pUser);
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		pUser->grp_size = 0;
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		pUser->grp_table = -1;
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	}
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	pUser->flags = 0;
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	pUser->eflags = 0;
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	pUser->grp_count = 0;
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	pUser->password = -1;
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	pUser->magic = USR_MAGIC_SET;
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	pUser->auth.identidx = -1;
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	pUser->auth.index = 0;
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	pUser->immune_default = false;
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	pUser->immune_global = false;
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	if (m_FirstUser == INVALID_ADMIN_ID)
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	{
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		m_FirstUser = id;
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		m_LastUser = id;
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	} else {
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		AdminUser *pPrev = (AdminUser *)m_pMemory->GetAddress(m_LastUser);
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		pPrev->next_user = id;
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		pUser->prev_user = m_LastUser;
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		m_LastUser = id;
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	}
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	if (name && name[0] != '\0')
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	{
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		pUser->nameidx = m_pStrings->AddString(name);
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	}
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	return id;
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}
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GroupId AdminCache::AddGroup(const char *group_name)
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{
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	if (sm_trie_retrieve(m_pGroups, group_name, NULL))
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	{
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		return INVALID_GROUP_ID;
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	}
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	GroupId id;
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	AdminGroup *pGroup;
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	if (m_FreeGroupList != INVALID_GROUP_ID)
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	{
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		pGroup = (AdminGroup *)m_pMemory->GetAddress(m_FreeGroupList);
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		assert(pGroup->magic == GRP_MAGIC_UNSET);
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		id = m_FreeGroupList;
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		m_FreeGroupList = pGroup->next_grp;
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	} else {
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		id = m_pMemory->CreateMem(sizeof(AdminGroup), (void **)&pGroup);
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	}
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	pGroup->immune_default = false;
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	pGroup->immune_global = false;
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	pGroup->immune_table = -1;
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	pGroup->magic = GRP_MAGIC_SET;
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	pGroup->next_grp = INVALID_GROUP_ID;
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	pGroup->pCmdGrpTable = NULL;
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	pGroup->pCmdTable = NULL;
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	pGroup->addflags = 0;
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	if (m_FirstGroup == INVALID_GROUP_ID)
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	{
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		m_FirstGroup = id;
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		m_LastGroup = id;
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		pGroup->prev_grp = INVALID_GROUP_ID;
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	} else {
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		AdminGroup *pPrev = (AdminGroup *)m_pMemory->GetAddress(m_LastGroup);
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		assert(pPrev->magic == GRP_MAGIC_SET);
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		pPrev->next_grp = id;
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		pGroup->prev_grp = m_LastGroup;
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		m_LastGroup = id;
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	}
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	pGroup->nameidx = m_pStrings->AddString(group_name);
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	sm_trie_insert(m_pGroups, group_name, (void *)id);
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	return id;
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}
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GroupId AdminCache::FindGroupByName(const char *group_name)
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{
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	void *object;
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	if (!sm_trie_retrieve(m_pGroups, group_name, &object))
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	{
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		return INVALID_GROUP_ID;
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	}
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	GroupId id = (GroupId)object;
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	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
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	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
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	{
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		return INVALID_GROUP_ID;
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	}
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	return id;
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}
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void AdminCache::SetGroupAddFlag(GroupId id, AdminFlag flag, bool enabled)
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{
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	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
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	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
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	{
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		return;
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	}
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	if (flag < Admin_Reservation || flag >= AdminFlags_TOTAL)
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	{
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		return;
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	}
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	FlagBits bits = (1<<(FlagBits)flag);
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	if (enabled)
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	{
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		pGroup->addflags |= bits;
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	} else {
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		pGroup->addflags &= ~bits;
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	}
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}
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bool AdminCache::GetGroupAddFlag(GroupId id, AdminFlag flag)
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{
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	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
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	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
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	{
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		return false;
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	}
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	if (flag < Admin_Reservation || flag >= AdminFlags_TOTAL)
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	{
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		return false;
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	}
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	FlagBits bit = 1<<(FlagBits)flag;
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	return ((pGroup->addflags & bit) == bit);
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}
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FlagBits AdminCache::GetGroupAddFlags(GroupId id)
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{
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	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
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	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
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	{
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		return 0;
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	}
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	return pGroup->addflags;
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}
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void AdminCache::SetGroupGenericImmunity(GroupId id, ImmunityType type, bool enabled)
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{
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	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
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	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
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	{
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		return;
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	}
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	if (type == Immunity_Default)
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	{
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		pGroup->immune_default = enabled;
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	} else if (type == Immunity_Global) {
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		pGroup->immune_global = enabled;
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	} 
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}
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bool AdminCache::GetGroupGenericImmunity(GroupId id, ImmunityType type)
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{
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	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
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	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
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	{
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		return false;
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	}
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	if (type == Immunity_Default)
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	{
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		return pGroup->immune_default;
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	} else if (type == Immunity_Global) {
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		return pGroup->immune_global;
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	}
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	return false;
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}
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void AdminCache::AddGroupImmunity(GroupId id, GroupId other_id)
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{
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	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
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	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
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	{
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		return;
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	}
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	AdminGroup *pOther = (AdminGroup *)m_pMemory->GetAddress(id);
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	if (!pOther || pOther->magic != GRP_MAGIC_SET)
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	{
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		return;
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	}
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	/* We always need to resize the immunity table */
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	int *table, tblidx;
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	if (pOther->immune_table == -1)
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	{
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		tblidx = m_pMemory->CreateMem(sizeof(int) * 2, (void **)&table);
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		table[0] = 0;
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	} else {
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		int *old_table = (int *)m_pMemory->GetAddress(pOther->immune_table);
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		/* Break out if this group is already in the list */
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		for (int i=0; i<old_table[0]; i++)
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		{
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			if (old_table[1+i] == other_id)
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			{
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				return;
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			}
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		}
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		tblidx = m_pMemory->CreateMem(sizeof(int) * (old_table[0] + 2), (void **)&table);
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		/* Get the old address again in case of resize */
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		old_table = (int *)m_pMemory->GetAddress(pOther->immune_table);
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		table[0] = old_table[0];
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		for (unsigned int i=1; i<=(unsigned int)old_table[0]; i++)
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   402
		{
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			table[i] = old_table[i];
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		}
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	}
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	/* Assign */
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	pOther->immune_table = tblidx;
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	/* Add to the array */
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	table[0]++;
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	table[table[0]] = other_id;
dvander@335
   413
}
dvander@335
   414
dvander@335
   415
unsigned int AdminCache::GetGroupImmunityCount(GroupId id)
dvander@335
   416
{
dvander@335
   417
	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
dvander@335
   418
	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
dvander@335
   419
	{
dvander@335
   420
		return 0;
dvander@335
   421
	}
dvander@335
   422
dvander@335
   423
	if (pGroup->immune_table == -1)
dvander@335
   424
	{
dvander@335
   425
		return 0;
dvander@335
   426
	}
dvander@335
   427
dvander@335
   428
	int *table = (int *)m_pMemory->GetAddress(pGroup->immune_table);
dvander@335
   429
dvander@335
   430
	return table[0];
dvander@335
   431
}
dvander@335
   432
dvander@335
   433
GroupId AdminCache::GetGroupImmunity(GroupId id, unsigned int number)
dvander@335
   434
{
dvander@335
   435
	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
dvander@335
   436
	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
dvander@335
   437
	{
dvander@335
   438
		return INVALID_GROUP_ID;
dvander@335
   439
	}
dvander@335
   440
dvander@335
   441
	if (pGroup->immune_table == -1)
dvander@335
   442
	{
dvander@335
   443
		return INVALID_GROUP_ID;
dvander@335
   444
	}
dvander@335
   445
dvander@335
   446
	int *table = (int *)m_pMemory->GetAddress(pGroup->immune_table);
dvander@335
   447
	if (number >= (unsigned int)table[0])
dvander@335
   448
	{
dvander@335
   449
		return INVALID_GROUP_ID;
dvander@335
   450
	}
dvander@335
   451
dvander@335
   452
	return table[1 + number];
dvander@335
   453
}
dvander@335
   454
dvander@335
   455
void AdminCache::AddGroupCommandOverride(GroupId id, const char *name, OverrideType type, OverrideRule rule)
dvander@335
   456
{
dvander@335
   457
	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
dvander@335
   458
	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
dvander@335
   459
	{
dvander@335
   460
		return;
dvander@335
   461
	}
dvander@335
   462
dvander@335
   463
	Trie *pTrie = NULL;
dvander@335
   464
	if (type == Override_Command)
dvander@335
   465
	{
dvander@335
   466
		if (pGroup->pCmdTable == NULL)
dvander@335
   467
		{
dvander@335
   468
			pGroup->pCmdTable = sm_trie_create();
dvander@335
   469
		}
dvander@335
   470
		pTrie = pGroup->pCmdTable;
dvander@335
   471
	} else if (type == Override_CommandGroup) {
dvander@335
   472
		if (pGroup->pCmdGrpTable == NULL)
dvander@335
   473
		{
dvander@335
   474
			pGroup->pCmdGrpTable = sm_trie_create();
dvander@335
   475
		}
dvander@335
   476
		pTrie = pGroup->pCmdGrpTable;
dvander@335
   477
	} else {
dvander@335
   478
		return;
dvander@335
   479
	}
dvander@335
   480
dvander@335
   481
	sm_trie_insert(pTrie, name, (void *)(int)rule);
dvander@335
   482
}
dvander@335
   483
dvander@335
   484
bool AdminCache::GetGroupCommandOverride(GroupId id, const char *name, OverrideType type, OverrideRule *pRule)
dvander@335
   485
{
dvander@335
   486
	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
dvander@335
   487
	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
dvander@335
   488
	{
dvander@335
   489
		return false;
dvander@335
   490
	}
dvander@335
   491
dvander@335
   492
	Trie *pTrie = NULL;
dvander@335
   493
	if (type == Override_Command)
dvander@335
   494
	{
dvander@335
   495
		if (pGroup->pCmdTable == NULL)
dvander@335
   496
		{
dvander@335
   497
			return false;
dvander@335
   498
		}
dvander@335
   499
		pTrie = pGroup->pCmdTable;
dvander@335
   500
	} else if (type == Override_CommandGroup) {
dvander@335
   501
		if (pGroup->pCmdGrpTable == NULL)
dvander@335
   502
		{
dvander@335
   503
			return false;
dvander@335
   504
		}
dvander@335
   505
		pTrie = pGroup->pCmdGrpTable;
dvander@335
   506
	} else {
dvander@335
   507
		return false;
dvander@335
   508
	}
dvander@335
   509
dvander@335
   510
	void *object;
dvander@335
   511
	if (!sm_trie_retrieve(pTrie, name, &object))
dvander@335
   512
	{
dvander@335
   513
		return false;
dvander@335
   514
	}
dvander@335
   515
dvander@335
   516
	if (pRule)
dvander@335
   517
	{
dvander@335
   518
		*pRule = (OverrideRule)(int)object;
dvander@335
   519
	}
dvander@335
   520
	
dvander@335
   521
	return true;
dvander@335
   522
}
dvander@335
   523
dvander@404
   524
Trie *AdminCache::GetMethodByIndex(unsigned int index)
dvander@404
   525
{
dvander@404
   526
	List<AuthMethod>::iterator iter;
dvander@404
   527
	for (iter=m_AuthMethods.begin();
dvander@404
   528
		 iter!=m_AuthMethods.end();
dvander@404
   529
		 iter++)
dvander@404
   530
	{
dvander@404
   531
		if (index-- == 0)
dvander@404
   532
		{
dvander@404
   533
			return (*iter).table;
dvander@404
   534
		}
dvander@404
   535
	}
dvander@404
   536
dvander@404
   537
	return NULL;
dvander@404
   538
}
dvander@404
   539
dvander@404
   540
bool AdminCache::InvalidateAdmin(AdminId id)
dvander@404
   541
{
dvander@404
   542
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
   543
	AdminUser *pOther;
dvander@404
   544
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
   545
	{
dvander@404
   546
		return false;
dvander@404
   547
	}
dvander@404
   548
dvander@458
   549
	if (!m_InvalidatingAdmins)
dvander@458
   550
	{
dvander@458
   551
		g_Players.ClearAdminId(id);
dvander@458
   552
	}
dvander@458
   553
dvander@404
   554
	/* Unlink from the dbl link list */
dvander@404
   555
	if (id == m_FirstUser && id == m_LastUser)
dvander@404
   556
	{
dvander@404
   557
		m_FirstUser = INVALID_ADMIN_ID;
dvander@404
   558
		m_LastUser = INVALID_ADMIN_ID;
dvander@404
   559
	} else if (id == m_FirstUser) {
dvander@404
   560
		m_FirstUser = pUser->next_user;
dvander@404
   561
		pOther = (AdminUser *)m_pMemory->GetAddress(m_FirstUser);
dvander@404
   562
		pOther->prev_user = INVALID_ADMIN_ID;
dvander@404
   563
	} else if (id == m_LastUser) {
dvander@404
   564
		m_LastUser = pUser->prev_user;
dvander@404
   565
		pOther = (AdminUser *)m_pMemory->GetAddress(m_LastUser);
dvander@404
   566
		pOther->next_user = INVALID_ADMIN_ID;
dvander@404
   567
	} else {
dvander@404
   568
		pOther = (AdminUser *)m_pMemory->GetAddress(pUser->prev_user);
dvander@404
   569
		pOther->next_user = pUser->next_user;
dvander@404
   570
		pOther = (AdminUser *)m_pMemory->GetAddress(pUser->next_user);
dvander@404
   571
		pOther->prev_user = pUser->prev_user;
dvander@404
   572
	}
dvander@404
   573
dvander@404
   574
	/* Unlink from auth tables */
dvander@405
   575
	if (pUser->auth.identidx != -1)
dvander@404
   576
	{
dvander@405
   577
		Trie *pTrie = GetMethodByIndex(pUser->auth.index);
dvander@405
   578
		if (pTrie)
dvander@404
   579
		{
dvander@405
   580
			sm_trie_delete(pTrie, m_pStrings->GetString(pUser->auth.identidx));
dvander@404
   581
		}
dvander@404
   582
	}
dvander@404
   583
dvander@404
   584
	/* Clear table counts */
dvander@404
   585
	pUser->grp_count = 0;
dvander@405
   586
	
dvander@404
   587
	/* Link into free list */
dvander@404
   588
	pUser->magic = USR_MAGIC_UNSET;
dvander@404
   589
	pUser->next_user = m_FreeUserList;
dvander@404
   590
	m_FreeUserList = id;
dvander@404
   591
dvander@404
   592
	return true;
dvander@404
   593
}
dvander@404
   594
dvander@404
   595
dvander@335
   596
void AdminCache::InvalidateGroup(GroupId id)
dvander@335
   597
{
dvander@335
   598
	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(id);
dvander@335
   599
	AdminGroup *pOther;
dvander@335
   600
dvander@335
   601
	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
dvander@335
   602
	{
dvander@335
   603
		return;
dvander@335
   604
	}
dvander@335
   605
dvander@335
   606
	const char *str = m_pStrings->GetString(pGroup->nameidx);
dvander@335
   607
	sm_trie_delete(m_pGroups, str);
dvander@335
   608
dvander@335
   609
	/* Unlink from the live dbllink list */
dvander@335
   610
	if (id == m_FirstGroup && id == m_LastGroup)
dvander@335
   611
	{
dvander@335
   612
		m_LastGroup = INVALID_GROUP_ID;
dvander@335
   613
		m_FirstGroup = INVALID_GROUP_ID;
dvander@335
   614
	} else if (id == m_FirstGroup) {
dvander@335
   615
		m_FirstGroup = pGroup->next_grp;
dvander@335
   616
		pOther = (AdminGroup *)m_pMemory->GetAddress(m_FirstGroup);
dvander@335
   617
		pOther->prev_grp = INVALID_GROUP_ID;
dvander@335
   618
	} else if (id == m_LastGroup) {
dvander@335
   619
		m_LastGroup = pGroup->prev_grp;
dvander@335
   620
		pOther = (AdminGroup *)m_pMemory->GetAddress(m_LastGroup);
dvander@335
   621
		pOther->next_grp = INVALID_GROUP_ID;
dvander@335
   622
	} else {
dvander@335
   623
		pOther = (AdminGroup *)m_pMemory->GetAddress(pGroup->prev_grp);
dvander@335
   624
		pOther->next_grp = pGroup->next_grp;
dvander@335
   625
		pOther = (AdminGroup *)m_pMemory->GetAddress(pGroup->next_grp);
dvander@335
   626
		pOther->prev_grp = pGroup->prev_grp;
dvander@335
   627
	}
dvander@335
   628
dvander@335
   629
	/* Free any used memory to be safe */
dvander@335
   630
	if (pGroup->pCmdGrpTable)
dvander@335
   631
	{
dvander@335
   632
		sm_trie_destroy(pGroup->pCmdGrpTable);
dvander@335
   633
		pGroup->pCmdGrpTable = NULL;
dvander@335
   634
	}
dvander@335
   635
	if (pGroup->pCmdTable)
dvander@335
   636
	{
dvander@335
   637
		sm_trie_destroy(pGroup->pCmdTable);
dvander@335
   638
		pGroup->pCmdTable = NULL;
dvander@335
   639
	}
dvander@335
   640
dvander@335
   641
	/* Link into the free list */
dvander@335
   642
	pGroup->magic = GRP_MAGIC_UNSET;
dvander@335
   643
	pGroup->next_grp = m_FreeGroupList;
dvander@335
   644
	m_FreeGroupList = id;
dvander@335
   645
dvander@404
   646
	int idx = m_FirstUser;
dvander@404
   647
	AdminUser *pUser;
dvander@404
   648
	int *table;
dvander@404
   649
	while (idx != INVALID_ADMIN_ID)
dvander@404
   650
	{
dvander@404
   651
		pUser = (AdminUser *)m_pMemory->GetAddress(idx);
dvander@404
   652
		if (pUser->grp_count > 0)
dvander@404
   653
		{
dvander@404
   654
			table = (int *)m_pMemory->GetAddress(pUser->grp_table);
dvander@404
   655
			for (unsigned int i=0; i<pUser->grp_count; i++)
dvander@404
   656
			{
dvander@404
   657
				if (table[i] == id)
dvander@404
   658
				{
dvander@404
   659
					/* We have to remove this entry */
dvander@404
   660
					for (unsigned int j=i+1; j<pUser->grp_count; j++)
dvander@404
   661
					{
dvander@404
   662
						/* Move everything down by one */
dvander@404
   663
						table[j-1] = table[j];
dvander@404
   664
					}
dvander@404
   665
					/* Decrease count */
dvander@404
   666
					pUser->grp_count--;
dvander@404
   667
					/* Recalculate effective flags */
dvander@433
   668
					pUser->eflags = pUser->flags;
dvander@404
   669
					for (unsigned int j=0; j<pUser->grp_count; j++)
dvander@404
   670
					{
dvander@404
   671
						pOther = (AdminGroup *)m_pMemory->GetAddress(table[j]);
dvander@433
   672
						pUser->eflags |= pOther->addflags;
dvander@404
   673
					}
dvander@404
   674
					/* Break now, duplicates aren't allowed */
dvander@404
   675
					break;
dvander@404
   676
				}
dvander@404
   677
			}
dvander@404
   678
		}
dvander@404
   679
		idx = pUser->next_user;
dvander@404
   680
	}
dvander@335
   681
}
dvander@335
   682
dvander@335
   683
void AdminCache::InvalidateGroupCache()
dvander@335
   684
{
dvander@335
   685
	/* Nuke the free list */
dvander@335
   686
	m_FreeGroupList = -1;
dvander@335
   687
dvander@335
   688
	/* Nuke reverse lookups */
dvander@335
   689
	sm_trie_clear(m_pGroups);
dvander@335
   690
dvander@335
   691
	/* Free memory on groups */
dvander@335
   692
	GroupId cur = m_FirstGroup;
dvander@335
   693
	AdminGroup *pGroup;
dvander@335
   694
	while (cur != INVALID_GROUP_ID)
dvander@335
   695
	{
dvander@335
   696
		pGroup = (AdminGroup *)m_pMemory->GetAddress(cur);
dvander@335
   697
		assert(pGroup->magic == GRP_MAGIC_SET);
dvander@335
   698
		if (pGroup->pCmdGrpTable)
dvander@335
   699
		{
dvander@335
   700
			sm_trie_destroy(pGroup->pCmdGrpTable);
dvander@335
   701
		}
dvander@335
   702
		if (pGroup->pCmdTable)
dvander@335
   703
		{
dvander@335
   704
			sm_trie_destroy(pGroup->pCmdTable);
dvander@335
   705
		}
dvander@335
   706
		cur = pGroup->next_grp;
dvander@335
   707
	}
dvander@335
   708
dvander@335
   709
	m_FirstGroup = INVALID_GROUP_ID;
dvander@335
   710
	m_LastGroup = INVALID_GROUP_ID;
dvander@335
   711
dvander@404
   712
	InvalidateAdminCache(false);
dvander@335
   713
dvander@335
   714
	/* Reset the memory table */
dvander@335
   715
	m_pMemory->Reset();
dvander@335
   716
}
dvander@336
   717
dvander@336
   718
void AdminCache::AddAdminListener(IAdminListener *pListener)
dvander@336
   719
{
dvander@336
   720
	m_hooks.push_back(pListener);
dvander@336
   721
}
dvander@336
   722
dvander@336
   723
void AdminCache::RemoveAdminListener(IAdminListener *pListener)
dvander@336
   724
{
dvander@336
   725
	m_hooks.remove(pListener);
dvander@336
   726
}
dvander@336
   727
dvander@404
   728
void AdminCache::RegisterAuthIdentType(const char *name)
dvander@404
   729
{
dvander@404
   730
	if (sm_trie_retrieve(m_pAuthTables, name, NULL))
dvander@404
   731
	{
dvander@404
   732
		return;
dvander@404
   733
	}
dvander@404
   734
dvander@404
   735
	Trie *pAuth = sm_trie_create();
dvander@404
   736
dvander@404
   737
	AuthMethod method;
dvander@404
   738
	method.name.assign(name);
dvander@404
   739
	method.table = pAuth;
dvander@404
   740
dvander@404
   741
	m_AuthMethods.push_back(method);
dvander@404
   742
dvander@404
   743
	sm_trie_insert(m_pAuthTables, name, pAuth);
dvander@404
   744
}
dvander@404
   745
dvander@404
   746
void AdminCache::InvalidateAdminCache(bool unlink_admins)
dvander@404
   747
{
dvander@458
   748
	m_InvalidatingAdmins = true;
dvander@458
   749
	g_Players.ClearAllAdmins();
dvander@404
   750
	/* Wipe the identity cache first */
dvander@404
   751
	List<AuthMethod>::iterator iter;
dvander@404
   752
	for (iter=m_AuthMethods.begin();
dvander@404
   753
		 iter!=m_AuthMethods.end();
dvander@404
   754
		 iter++)
dvander@404
   755
	{
dvander@404
   756
		sm_trie_clear((*iter).table);
dvander@404
   757
	}
dvander@404
   758
	
dvander@405
   759
	if (unlink_admins)
dvander@404
   760
	{
dvander@405
   761
		while (m_FirstUser != INVALID_ADMIN_ID)
dvander@405
   762
		{
dvander@405
   763
			InvalidateAdmin(m_FirstUser);
dvander@405
   764
		}
dvander@405
   765
	} else {
dvander@405
   766
		m_FirstUser = -1;
dvander@405
   767
		m_LastUser = -1;
dvander@405
   768
		m_FreeUserList = -1;
dvander@404
   769
	}
dvander@458
   770
	m_InvalidatingAdmins = false;
dvander@404
   771
}
dvander@404
   772
dvander@438
   773
void AdminCache::DumpAdminCache(AdminCachePart part, bool rebuild)
dvander@336
   774
{
dvander@438
   775
	List<IAdminListener *>::iterator iter;
dvander@438
   776
	IAdminListener *pListener;
dvander@438
   777
	cell_t result;
dvander@438
   778
dvander@438
   779
	if (part == AdminCache_Overrides)
dvander@336
   780
	{
dvander@336
   781
		DumpCommandOverrideCache(Override_Command);
dvander@336
   782
		DumpCommandOverrideCache(Override_CommandGroup);
dvander@438
   783
		if (rebuild)
dvander@438
   784
		{
dvander@438
   785
			for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
dvander@438
   786
			{
dvander@438
   787
				pListener = (*iter);
dvander@438
   788
				pListener->OnRebuildOverrideCache();
dvander@438
   789
			}
dvander@438
   790
			m_pCacheFwd->PushCell(part);
dvander@438
   791
			m_pCacheFwd->Execute(&result);
dvander@438
   792
		}
dvander@438
   793
	} else if (part == AdminCache_Groups || part == AdminCache_Admins) {
dvander@438
   794
		if (part == AdminCache_Groups)
dvander@438
   795
		{
dvander@438
   796
			InvalidateGroupCache();
dvander@438
   797
			if (rebuild)
dvander@438
   798
			{
dvander@438
   799
				for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
dvander@438
   800
				{
dvander@438
   801
					pListener = (*iter);
dvander@438
   802
					pListener->OnRebuildGroupCache();
dvander@438
   803
				}
dvander@438
   804
				m_pCacheFwd->PushCell(part);
dvander@438
   805
				m_pCacheFwd->Execute(&result);
dvander@438
   806
			}
dvander@438
   807
		}
dvander@404
   808
		InvalidateAdminCache(true);
dvander@438
   809
		if (rebuild)
dvander@336
   810
		{
dvander@438
   811
			for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
dvander@438
   812
			{
dvander@438
   813
				pListener = (*iter);
dvander@438
   814
				pListener->OnRebuildAdminCache((part == AdminCache_Groups));
dvander@438
   815
			}
dvander@438
   816
			m_pCacheFwd->PushCell(AdminCache_Admins);
dvander@438
   817
			m_pCacheFwd->Execute(&result);
dvander@336
   818
		}
dvander@336
   819
	}
dvander@336
   820
}
dvander@404
   821
dvander@404
   822
const char *AdminCache::GetAdminName(AdminId id)
dvander@404
   823
{
dvander@404
   824
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
   825
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
   826
	{
dvander@404
   827
		return NULL;
dvander@404
   828
	}
dvander@404
   829
dvander@404
   830
	return m_pStrings->GetString(pUser->nameidx);
dvander@404
   831
}
dvander@404
   832
dvander@405
   833
bool AdminCache::GetMethodIndex(const char *name, unsigned int *_index)
dvander@405
   834
{
dvander@405
   835
	List<AuthMethod>::iterator iter;
dvander@405
   836
	unsigned int index = 0;
dvander@405
   837
	for (iter=m_AuthMethods.begin();
dvander@405
   838
		 iter!=m_AuthMethods.end();
dvander@405
   839
		 iter++,index++)
dvander@405
   840
	{
dvander@405
   841
		if ((*iter).name.compare(name) == 0)
dvander@405
   842
		{
dvander@405
   843
			*_index = index;
dvander@405
   844
			return true;
dvander@405
   845
		}
dvander@405
   846
	}
dvander@405
   847
dvander@405
   848
	return false;
dvander@405
   849
}
dvander@405
   850
dvander@404
   851
bool AdminCache::BindAdminIdentity(AdminId id, const char *auth, const char *ident)
dvander@404
   852
{
dvander@404
   853
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
   854
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
   855
	{
dvander@404
   856
		return false;
dvander@404
   857
	}
dvander@404
   858
dvander@404
   859
	Trie *pTable;
dvander@404
   860
	if (!sm_trie_retrieve(m_pAuthTables, auth, (void **)&pTable))
dvander@404
   861
	{
dvander@404
   862
		return false;
dvander@404
   863
	}
dvander@404
   864
dvander@404
   865
	if (sm_trie_retrieve(pTable, ident, NULL))
dvander@404
   866
	{
dvander@404
   867
		return false;
dvander@404
   868
	}
dvander@404
   869
dvander@405
   870
	pUser->auth.identidx = m_pStrings->AddString(ident);
dvander@405
   871
	GetMethodIndex(auth, &pUser->auth.index);
dvander@405
   872
dvander@404
   873
	return sm_trie_insert(pTable, ident, (void **)id);
dvander@404
   874
}
dvander@404
   875
dvander@404
   876
AdminId AdminCache::FindAdminByIdentity(const char *auth, const char *identity)
dvander@404
   877
{
dvander@404
   878
	Trie *pTable;
dvander@404
   879
	if (!sm_trie_retrieve(m_pAuthTables, auth, (void **)&pTable))
dvander@404
   880
	{
dvander@404
   881
		return INVALID_ADMIN_ID;
dvander@404
   882
	}
dvander@404
   883
dvander@404
   884
	void *object;
dvander@404
   885
	if (!sm_trie_retrieve(pTable, identity, &object))
dvander@404
   886
	{
dvander@404
   887
		return INVALID_ADMIN_ID;
dvander@404
   888
	}
dvander@404
   889
dvander@404
   890
	return (AdminId)object;
dvander@404
   891
}
dvander@404
   892
dvander@404
   893
void AdminCache::SetAdminFlag(AdminId id, AdminFlag flag, bool enabled)
dvander@404
   894
{
dvander@404
   895
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
   896
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
   897
	{
dvander@404
   898
		return;
dvander@404
   899
	}
dvander@404
   900
dvander@433
   901
	if (flag < Admin_Reservation
dvander@404
   902
		|| flag >= AdminFlags_TOTAL)
dvander@404
   903
	{
dvander@404
   904
		return;
dvander@404
   905
	}
dvander@436
   906
	
dvander@436
   907
	FlagBits bits = (1<<(FlagBits)flag);
dvander@404
   908
dvander@436
   909
	if (enabled)
dvander@436
   910
	{
dvander@436
   911
		pUser->flags |= bits;
dvander@436
   912
		pUser->eflags |= bits;
dvander@436
   913
	} else {
dvander@436
   914
		pUser->flags &= ~bits;
dvander@436
   915
		pUser->eflags &= ~bits;
dvander@436
   916
	}
dvander@404
   917
}
dvander@404
   918
dvander@404
   919
bool AdminCache::GetAdminFlag(AdminId id, AdminFlag flag, AccessMode mode)
dvander@404
   920
{
dvander@404
   921
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
   922
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
   923
	{
dvander@404
   924
		return false;
dvander@404
   925
	}
dvander@404
   926
dvander@433
   927
	if (flag < Admin_Reservation
dvander@404
   928
		|| flag >= AdminFlags_TOTAL)
dvander@404
   929
	{
dvander@404
   930
		return false;
dvander@404
   931
	}
dvander@404
   932
dvander@433
   933
	FlagBits bit = (1<<(FlagBits)flag);
dvander@433
   934
dvander@404
   935
	if (mode == Access_Real)
dvander@404
   936
	{
dvander@433
   937
		return ((pUser->flags & bit) == bit);
dvander@404
   938
	} else if (mode == Access_Effective) {
dvander@433
   939
		return ((pUser->eflags & bit) == bit);
dvander@404
   940
	}
dvander@404
   941
dvander@404
   942
	return false;
dvander@404
   943
}
dvander@404
   944
dvander@433
   945
FlagBits AdminCache::GetAdminFlags(AdminId id, AccessMode mode)
dvander@404
   946
{
dvander@404
   947
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
   948
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
   949
	{
dvander@404
   950
		return 0;
dvander@404
   951
	}
dvander@404
   952
dvander@404
   953
	if (mode == Access_Real)
dvander@404
   954
	{
dvander@433
   955
		return pUser->flags;
dvander@404
   956
	} else if (mode == Access_Effective) {
dvander@433
   957
		return pUser->eflags;
dvander@404
   958
	}
dvander@404
   959
dvander@433
   960
	return 0;
dvander@404
   961
}
dvander@404
   962
dvander@458
   963
void AdminCache::SetAdminFlags(AdminId id, AccessMode mode, FlagBits bits)
dvander@458
   964
{
dvander@458
   965
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@458
   966
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@458
   967
	{
dvander@458
   968
		return;
dvander@458
   969
	}
dvander@458
   970
dvander@458
   971
	if (mode == Access_Real)
dvander@458
   972
	{
dvander@458
   973
		pUser->flags = bits;
dvander@458
   974
		pUser->eflags = bits;
dvander@458
   975
	} else if (mode == Access_Effective) {
dvander@458
   976
		pUser->eflags = bits;
dvander@458
   977
	}
dvander@458
   978
}
dvander@458
   979
dvander@404
   980
bool AdminCache::AdminInheritGroup(AdminId id, GroupId gid)
dvander@404
   981
{
dvander@404
   982
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
   983
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
   984
	{
dvander@404
   985
		return false;
dvander@404
   986
	}
dvander@404
   987
dvander@404
   988
	AdminGroup *pGroup = (AdminGroup *)m_pMemory->GetAddress(gid);
dvander@405
   989
	if (!pGroup || pGroup->magic != GRP_MAGIC_SET)
dvander@404
   990
	{
dvander@404
   991
		return false;
dvander@404
   992
	}
dvander@404
   993
dvander@433
   994
	/* First check for duplicates */
dvander@433
   995
	if (pUser->grp_count != 0)
dvander@433
   996
	{
dvander@433
   997
		int *temp_table = (int *)m_pMemory->GetAddress(pUser->grp_table);
dvander@433
   998
		for (unsigned int i=0; i<pUser->grp_count; i++)
dvander@433
   999
		{
dvander@433
  1000
			if (temp_table[i] == gid)
dvander@433
  1001
			{
dvander@433
  1002
				return false;
dvander@433
  1003
			}
dvander@433
  1004
		}
dvander@433
  1005
	}
dvander@433
  1006
dvander@404
  1007
	int *table;
dvander@404
  1008
	if (pUser->grp_count + 1 > pUser->grp_size)
dvander@404
  1009
	{
dvander@404
  1010
		int new_size = 0;
dvander@404
  1011
		int tblidx;
dvander@404
  1012
		
dvander@404
  1013
		if (pUser->grp_size == 0)
dvander@404
  1014
		{
dvander@404
  1015
			new_size = 2;
dvander@404
  1016
		} else {
dvander@404
  1017
			new_size = pUser->grp_size * 2;
dvander@404
  1018
		}
dvander@404
  1019
		
dvander@404
  1020
		/* Create and refresh pointers */
dvander@404
  1021
		tblidx = m_pMemory->CreateMem(new_size * sizeof(int), (void **)&table);
dvander@404
  1022
		pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
  1023
		pGroup = (AdminGroup *)m_pMemory->GetAddress(gid);
dvander@404
  1024
dvander@404
  1025
		/* Copy old data if necessary */
dvander@404
  1026
		if (pUser->grp_table != -1)
dvander@404
  1027
		{
dvander@404
  1028
			int *old_table = (int *)m_pMemory->GetAddress(pUser->grp_table);
dvander@404
  1029
			memcpy(table, old_table, sizeof(int) * pUser->grp_count);
dvander@404
  1030
		}
dvander@404
  1031
		pUser->grp_table = tblidx;
dvander@404
  1032
		pUser->grp_size = new_size;
dvander@404
  1033
	} else {
dvander@404
  1034
		table = (int *)m_pMemory->GetAddress(pUser->grp_table);
dvander@404
  1035
	}
dvander@404
  1036
dvander@404
  1037
	table[pUser->grp_count] = gid;
dvander@404
  1038
	pUser->grp_count++;
dvander@404
  1039
dvander@434
  1040
	/* Compute new effective permissions */
dvander@433
  1041
	pUser->eflags |= pGroup->addflags;
dvander@404
  1042
dvander@434
  1043
	if (pGroup->immune_default)
dvander@434
  1044
	{
dvander@434
  1045
		pUser->immune_default = true;
dvander@434
  1046
	}
dvander@434
  1047
	if (pGroup->immune_global)
dvander@434
  1048
	{
dvander@434
  1049
		pUser->immune_global = true;
dvander@434
  1050
	}
dvander@434
  1051
dvander@404
  1052
	return true;
dvander@404
  1053
}
dvander@404
  1054
dvander@458
  1055
bool AdminCache::IsValidAdmin(AdminId id)
dvander@458
  1056
{
dvander@458
  1057
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@458
  1058
	return (pUser != NULL && pUser->magic == USR_MAGIC_SET);
dvander@458
  1059
}
dvander@458
  1060
dvander@404
  1061
unsigned int AdminCache::GetAdminGroupCount(AdminId id)
dvander@404
  1062
{
dvander@404
  1063
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
  1064
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
  1065
	{
dvander@404
  1066
		return 0;
dvander@404
  1067
	}
dvander@404
  1068
dvander@404
  1069
	return pUser->grp_count;
dvander@404
  1070
}
dvander@404
  1071
dvander@404
  1072
GroupId AdminCache::GetAdminGroup(AdminId id, unsigned int index, const char **name)
dvander@404
  1073
{
dvander@404
  1074
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
  1075
	if (!pUser || pUser->magic != USR_MAGIC_SET || index >= pUser->grp_count)
dvander@404
  1076
	{
dvander@404
  1077
		return INVALID_GROUP_ID;
dvander@404
  1078
	}
dvander@404
  1079
dvander@404
  1080
	int *table = (int *)m_pMemory->GetAddress(pUser->grp_table);
dvander@404
  1081
dvander@404
  1082
	return table[index];
dvander@404
  1083
}
dvander@404
  1084
dvander@404
  1085
const char *AdminCache::GetAdminPassword(AdminId id)
dvander@404
  1086
{
dvander@404
  1087
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
  1088
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
  1089
	{
dvander@404
  1090
		return NULL;
dvander@404
  1091
	}
dvander@404
  1092
dvander@404
  1093
	return m_pStrings->GetString(pUser->password);
dvander@404
  1094
}
dvander@404
  1095
dvander@404
  1096
void AdminCache::SetAdminPassword(AdminId id, const char *password)
dvander@404
  1097
{	
dvander@404
  1098
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@404
  1099
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@404
  1100
	{
dvander@404
  1101
		return;
dvander@404
  1102
	}
dvander@404
  1103
dvander@404
  1104
	pUser->password = m_pStrings->AddString(password);
dvander@404
  1105
}
dvander@404
  1106
dvander@433
  1107
unsigned int AdminCache::FlagBitsToBitArray(FlagBits bits, bool array[], unsigned int maxSize)
dvander@433
  1108
{
dvander@433
  1109
	unsigned int i;
dvander@433
  1110
	for (i=0; i<maxSize && i<AdminFlags_TOTAL; i++)
dvander@433
  1111
	{
dvander@464
  1112
		array[i] = ((bits & (1<<i)) == (unsigned)(1<<i));
dvander@433
  1113
	}
dvander@433
  1114
dvander@433
  1115
	return i;
dvander@433
  1116
}
dvander@433
  1117
dvander@433
  1118
FlagBits AdminCache::FlagBitArrayToBits(const bool array[], unsigned int maxSize)
dvander@433
  1119
{
dvander@433
  1120
	FlagBits bits = 0;
dvander@433
  1121
	for (unsigned int i=0; i<maxSize && i<AdminFlags_TOTAL; i++)
dvander@433
  1122
	{
dvander@433
  1123
		if (array[i])
dvander@433
  1124
		{
dvander@433
  1125
			bits |= (1<<i);
dvander@433
  1126
		}
dvander@433
  1127
	}
dvander@433
  1128
dvander@433
  1129
	return bits;
dvander@433
  1130
}
dvander@433
  1131
dvander@433
  1132
FlagBits AdminCache::FlagArrayToBits(const AdminFlag array[], unsigned int numFlags)
dvander@433
  1133
{
dvander@433
  1134
	FlagBits bits = 0;
dvander@433
  1135
	for (unsigned int i=0; i<numFlags && i<AdminFlags_TOTAL; i++)
dvander@433
  1136
	{
dvander@433
  1137
		bits |= (1 << (FlagBits)array[i]);
dvander@433
  1138
	}
dvander@433
  1139
dvander@433
  1140
	return bits;
dvander@433
  1141
}
dvander@433
  1142
dvander@433
  1143
unsigned int AdminCache::FlagBitsToArray(FlagBits bits, AdminFlag array[], unsigned int maxSize)
dvander@433
  1144
{
dvander@433
  1145
	unsigned int i, num=0;
dvander@433
  1146
	for (i=0; i<maxSize && i<AdminFlags_TOTAL; i++)
dvander@433
  1147
	{
dvander@464
  1148
		if ((bits & (1<<i)) == (unsigned)(1<<i))
dvander@433
  1149
		{
dvander@433
  1150
			array[num++] = (AdminFlag)i;
dvander@433
  1151
		}
dvander@433
  1152
	}
dvander@433
  1153
dvander@433
  1154
	return num;
dvander@433
  1155
}
dvander@434
  1156
dvander@434
  1157
bool AdminCache::CheckAdminFlags(AdminId id, FlagBits bits)
dvander@434
  1158
{
dvander@434
  1159
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@434
  1160
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@434
  1161
	{
dvander@434
  1162
		return false;
dvander@434
  1163
	}
dvander@434
  1164
dvander@434
  1165
	return ((pUser->eflags & bits) == bits);
dvander@434
  1166
}
dvander@434
  1167
dvander@434
  1168
bool AdminCache::CanAdminTarget(AdminId id, AdminId target)
dvander@434
  1169
{
dvander@434
  1170
	/** 
dvander@434
  1171
	 * Zeroth, if the targeting AdminId is INVALID_ADMIN_ID, targeting fails.
dvander@434
  1172
	 * First, if the targetted AdminId is INVALID_ADMIN_ID, targeting succeeds.
dvander@434
  1173
	 */
dvander@434
  1174
dvander@434
  1175
	if (id == INVALID_ADMIN_ID)
dvander@434
  1176
	{
dvander@434
  1177
		return false;
dvander@434
  1178
	}
dvander@434
  1179
dvander@434
  1180
	if (target == INVALID_ADMIN_ID)
dvander@434
  1181
	{
dvander@434
  1182
		return true;
dvander@434
  1183
	}
dvander@434
  1184
dvander@434
  1185
	AdminUser *pUser = (AdminUser *)m_pMemory->GetAddress(id);
dvander@434
  1186
	if (!pUser || pUser->magic != USR_MAGIC_SET)
dvander@434
  1187
	{
dvander@434
  1188
		return false;
dvander@434
  1189
	}
dvander@434
  1190
dvander@434
  1191
	AdminUser *pTarget = (AdminUser *)m_pMemory->GetAddress(target);
dvander@434
  1192
	if (!pTarget || pTarget->magic != USR_MAGIC_SET)
dvander@434
  1193
	{
dvander@434
  1194
		return false;
dvander@434
  1195
	}
dvander@434
  1196
dvander@434
  1197
	/** 
dvander@434
  1198
	 * Second, if the targeting admin is root, targeting suceeds.
dvander@434
  1199
	 */
dvander@434
  1200
	if (pUser->eflags & ADMFLAG_ROOT)
dvander@434
  1201
	{
dvander@434
  1202
		return true;
dvander@434
  1203
	}
dvander@434
  1204
dvander@434
  1205
	/** Fourth, if the targetted admin has global immunity, targeting fails. */
dvander@434
  1206
	if (pTarget->immune_global)
dvander@434
  1207
	{
dvander@434
  1208
		return false;
dvander@434
  1209
	}
dvander@434
  1210
dvander@434
  1211
	/** 
dvander@434
  1212
	 * Fifth, if the targetted admin has default immunity 
dvander@434
  1213
	 *  and the admin belongs to no groups, targeting fails.
dvander@434
  1214
	 */
dvander@434
  1215
	if (pTarget->immune_default && pUser->grp_count < 1)
dvander@434
  1216
	{
dvander@434
  1217
		return false;
dvander@434
  1218
	}
dvander@434
  1219
dvander@434
  1220
	/** 
dvander@434
  1221
	 * Sixth, if the targetted admin has specific immunity from the
dvander@434
  1222
	 *  targeting admin via group immunities, targeting fails.
dvander@434
  1223
	 */
dvander@434
  1224
	//:TODO: speed this up... maybe with trie hacks.
dvander@434
  1225
	//idea is to insert %d.%d in the trie after computing this and use it as a cache lookup.
dvander@434
  1226
	//problem is the trie cannot delete prefixes, so we'd have a problem with invalidations.
dvander@434
  1227
	if (pTarget->grp_count > 0 && pUser->grp_count > 0)
dvander@434
  1228
	{
dvander@434
  1229
		int *grp_table = (int *)m_pMemory->GetAddress(pTarget->grp_table);
dvander@434
  1230
		int *src_table = (int *)m_pMemory->GetAddress(pUser->grp_table);
dvander@434
  1231
		GroupId id, other;
dvander@434
  1232
		unsigned int num;
dvander@434
  1233
		for (unsigned int i=0; i<pTarget->grp_count; i++)
dvander@434
  1234
		{
dvander@434
  1235
			id = grp_table[i];
dvander@434
  1236
			num = GetGroupImmunityCount(id);
dvander@434
  1237
			for (unsigned int j=0; j<num; i++)
dvander@434
  1238
			{
dvander@434
  1239
				other = GetGroupImmunity(id, j);
dvander@434
  1240
				for (unsigned int k=0; k<pUser->grp_count; k++)
dvander@434
  1241
				{
dvander@434
  1242
					if (other == src_table[k])
dvander@434
  1243
					{
dvander@434
  1244
						return false;
dvander@434
  1245
					}
dvander@434
  1246
				}
dvander@434
  1247
			}
dvander@434
  1248
		}
dvander@434
  1249
	}
dvander@434
  1250
	
dvander@434
  1251
	return true;
dvander@434
  1252
}