/**

  * vim: set ts=4 :

  * =============================================================================

  * SourceMod Admin File Reader Plugin

  * Reads the admins.cfg file.  Do not compile this directly.

  *

  * SourceMod (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: $Id$

  */

 #define USER_STATE_NONE			0

 #define USER_STATE_ADMINS		1

 #define USER_STATE_INADMIN		2

 static Handle:g_hUserParser = INVALID_HANDLE;

 static g_UserState = USER_STATE_NONE;

 static String:g_CurAuth[64];

 static String:g_CurIdent[64];

 static String:g_CurName[64];

 static String:g_CurPass[64];

 static Handle:g_GroupArray;

 static g_CurFlags;

 static g_CurImmunity;

 public SMCResult:ReadUsers_NewSection(Handle:smc, const String:name[], bool:opt_quotes)

 {

 	if (g_IgnoreLevel)

 	{

 		g_IgnoreLevel++;

 		return SMCParse_Continue;

 	}

 	if (g_UserState == USER_STATE_NONE)

 	{

 		if (StrEqual(name, "Admins"))

 		{

 			g_UserState = USER_STATE_ADMINS;

 		}

 		else

 		{

 			g_IgnoreLevel++;

 		}

 	}

 	else if (g_UserState == USER_STATE_ADMINS)

 	{

 		g_UserState = USER_STATE_INADMIN;

 		strcopy(g_CurName, sizeof(g_CurName), name);

 		g_CurAuth[0] = '\0';

 		g_CurIdent[0] = '\0';

 		g_CurPass[0] = '\0';

 		ClearArray(g_GroupArray);

 		g_CurFlags = 0;

 		g_CurImmunity = 0;

 	}

 	else

 	{

 		g_IgnoreLevel++;

 	}

 	return SMCParse_Continue;

 }

 public SMCResult:ReadUsers_KeyValue(Handle:smc, 

 									const String:key[], 

 									const String:value[], 

 									bool:key_quotes, 

 									bool:value_quotes)

 {

 	if (g_UserState != USER_STATE_INADMIN || g_IgnoreLevel)

 	{

 		return SMCParse_Continue;

 	}

 	if (StrEqual(key, "auth"))

 	{

 		strcopy(g_CurAuth, sizeof(g_CurAuth), value);

 	}

 	else if (StrEqual(key, "identity"))

 	{

 		strcopy(g_CurIdent, sizeof(g_CurIdent), value);

 	}

 	else if (StrEqual(key, "password")) 

 	{

 		strcopy(g_CurPass, sizeof(g_CurPass), value);

 	} 

 	else if (StrEqual(key, "group")) 

 	{

 		new GroupId:id = FindAdmGroup(value);

 		if (id == INVALID_GROUP_ID)

 		{

 			ParseError("Unknown group \"%s\"", value);

 		}

 		PushArrayCell(g_GroupArray, id);

 	} 

 	else if (StrEqual(key, "flags")) 

 	{

 		new len = strlen(value);

 		new AdminFlag:flag;

 		for (new i = 0; i < len; i++)

 		{

 			if (!FindFlagByChar(value[i], flag))

 			{

 				ParseError("Invalid flag detected: %c", value[i]);

 			}

 			else

 			{

 				g_CurFlags |= FlagToBit(flag);

 			}

 		}

 	} 

 	else if (StrEqual(key, "immunity")) 

 	{

 		g_CurImmunity = StringToInt(value);

 	}

 	return SMCParse_Continue;

 }

 public SMCResult:ReadUsers_EndSection(Handle:smc)

 {

 	if (g_IgnoreLevel)

 	{

 		g_IgnoreLevel--;

 		return SMCParse_Continue;

 	}

 	if (g_UserState == USER_STATE_INADMIN)

 	{

 		/* Dump this user to memory */

 		if (g_CurIdent[0] != '\0' && g_CurAuth[0] != '\0')

 		{

 			decl AdminFlag:flags[26];

 			new AdminId:id, i, num_groups, num_flags;

 			if ((id = FindAdminByIdentity(g_CurAuth, g_CurIdent)) == INVALID_ADMIN_ID)

 			{

 				id = CreateAdmin(g_CurName);

 				if (!BindAdminIdentity(id, g_CurAuth, g_CurIdent))

 				{

 					RemoveAdmin(id);

 					ParseError("Failed to bind auth \"%s\" to identity \"%s\"", g_CurAuth, g_CurIdent);

 					return SMCParse_Continue;

 				}

 			}

 			num_groups = GetArraySize(g_GroupArray);

 			for (i = 0; i < num_groups; i++)

 			{

 				AdminInheritGroup(id, GetArrayCell(g_GroupArray, i));

 			}

 			SetAdminPassword(id, g_CurPass);

 			if (GetAdminImmunityLevel(id) < g_CurImmunity)

 			{

 				SetAdminImmunityLevel(id, g_CurImmunity);

 			}

 			num_flags = FlagBitsToArray(g_CurFlags, flags, sizeof(flags));

 			for (i = 0; i < num_flags; i++)

 			{

 				SetAdminFlag(id, flags[i], true);

 			}

 		}

 		else

 		{

 			ParseError("Failed to create admin: did you forget either the auth or identity properties?");

 		}

 		g_UserState = USER_STATE_ADMINS;

 	}

 	else if (g_UserState == USER_STATE_ADMINS)

 	{

 		g_UserState = USER_STATE_NONE;

 	}

 	return SMCParse_Continue;

 }

 public SMCResult:ReadUsers_CurrentLine(Handle:smc, const String:line[], lineno)

 {

 	g_CurrentLine = lineno;

 	return SMCParse_Continue;

 }

 static InitializeUserParser()

 {

 	if (g_hUserParser == INVALID_HANDLE)

 	{

 		g_hUserParser = SMC_CreateParser();

 		SMC_SetReaders(g_hUserParser,

 					   ReadUsers_NewSection,

 					   ReadUsers_KeyValue,

 					   ReadUsers_EndSection);

 		SMC_SetRawLine(g_hUserParser, ReadUsers_CurrentLine);

 		g_GroupArray = CreateArray();

 	}

 }

 ReadUsers()

 {

 	InitializeUserParser();

 	BuildPath(Path_SM, g_Filename, sizeof(g_Filename), "configs/admins.cfg");

 	/* Set states */

 	InitGlobalStates();

 	g_UserState = USER_STATE_NONE;

 	new SMCError:err = SMC_ParseFile(g_hUserParser, g_Filename);

 	if (err != SMCError_Okay)

 	{

 		decl String:buffer[64];

 		if (SMC_GetErrorString(err, buffer, sizeof(buffer)))

 		{

 			ParseError("%s", buffer);

 		}

 		else

 		{

 			ParseError("Fatal parse error");

 		}

 	}

 }