2 * Copyright (C) 2005-2008 MaNGOS <http://getmangos.com/>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #include "AddonHandler.h"
20 #include "Database/DatabaseEnv.h"
23 #include "Policies/SingletonImp.h"
24 #include "zlib/zlib.h"
26 INSTANTIATE_SINGLETON_1( AddonHandler
);
28 AddonHandler::AddonHandler()
32 AddonHandler::~AddonHandler()
36 bool AddonHandler::BuildAddonPacket(WorldPacket
*Source
, WorldPacket
*Target
)
38 ByteBuffer AddOnPacked
;
40 uint32 CurrentPosition
;
43 unsigned char tdata
[256] =
45 0xC3, 0x5B, 0x50, 0x84, 0xB9, 0x3E, 0x32, 0x42, 0x8C, 0xD0, 0xC7, 0x48, 0xFA, 0x0E, 0x5D, 0x54,
46 0x5A, 0xA3, 0x0E, 0x14, 0xBA, 0x9E, 0x0D, 0xB9, 0x5D, 0x8B, 0xEE, 0xB6, 0x84, 0x93, 0x45, 0x75,
47 0xFF, 0x31, 0xFE, 0x2F, 0x64, 0x3F, 0x3D, 0x6D, 0x07, 0xD9, 0x44, 0x9B, 0x40, 0x85, 0x59, 0x34,
48 0x4E, 0x10, 0xE1, 0xE7, 0x43, 0x69, 0xEF, 0x7C, 0x16, 0xFC, 0xB4, 0xED, 0x1B, 0x95, 0x28, 0xA8,
49 0x23, 0x76, 0x51, 0x31, 0x57, 0x30, 0x2B, 0x79, 0x08, 0x50, 0x10, 0x1C, 0x4A, 0x1A, 0x2C, 0xC8,
50 0x8B, 0x8F, 0x05, 0x2D, 0x22, 0x3D, 0xDB, 0x5A, 0x24, 0x7A, 0x0F, 0x13, 0x50, 0x37, 0x8F, 0x5A,
51 0xCC, 0x9E, 0x04, 0x44, 0x0E, 0x87, 0x01, 0xD4, 0xA3, 0x15, 0x94, 0x16, 0x34, 0xC6, 0xC2, 0xC3,
52 0xFB, 0x49, 0xFE, 0xE1, 0xF9, 0xDA, 0x8C, 0x50, 0x3C, 0xBE, 0x2C, 0xBB, 0x57, 0xED, 0x46, 0xB9,
53 0xAD, 0x8B, 0xC6, 0xDF, 0x0E, 0xD6, 0x0F, 0xBE, 0x80, 0xB3, 0x8B, 0x1E, 0x77, 0xCF, 0xAD, 0x22,
54 0xCF, 0xB7, 0x4B, 0xCF, 0xFB, 0xF0, 0x6B, 0x11, 0x45, 0x2D, 0x7A, 0x81, 0x18, 0xF2, 0x92, 0x7E,
55 0x98, 0x56, 0x5D, 0x5E, 0x69, 0x72, 0x0A, 0x0D, 0x03, 0x0A, 0x85, 0xA2, 0x85, 0x9C, 0xCB, 0xFB,
56 0x56, 0x6E, 0x8F, 0x44, 0xBB, 0x8F, 0x02, 0x22, 0x68, 0x63, 0x97, 0xBC, 0x85, 0xBA, 0xA8, 0xF7,
57 0xB5, 0x40, 0x68, 0x3C, 0x77, 0x86, 0x6F, 0x4B, 0xD7, 0x88, 0xCA, 0x8A, 0xD7, 0xCE, 0x36, 0xF0,
58 0x45, 0x6E, 0xD5, 0x64, 0x79, 0x0F, 0x17, 0xFC, 0x64, 0xDD, 0x10, 0x6F, 0xF3, 0xF5, 0xE0, 0xA6,
59 0xC3, 0xFB, 0x1B, 0x8C, 0x29, 0xEF, 0x8E, 0xE5, 0x34, 0xCB, 0xD1, 0x2A, 0xCE, 0x79, 0xC3, 0x9A,
60 0x0D, 0x36, 0xEA, 0x01, 0xE0, 0xAA, 0x91, 0x20, 0x54, 0xF0, 0x72, 0xD8, 0x1E, 0xC7, 0x89, 0xD2
63 // broken addon packet, can't be received from real client
64 if (Source
->rpos() + 4 > Source
->size())
67 *Source
>> TempValue
; //get real size of the packed structure
69 // empty addon packet, nothing process, can't be received from real client
73 AddonRealSize
= TempValue
; //temp value because ZLIB only excepts uLongf
75 CurrentPosition
= Source
->rpos(); //get the position of the pointer in the structure
77 AddOnPacked
.resize(AddonRealSize
); //resize target for zlib action
79 if (!uncompress(const_cast<uint8
*>(AddOnPacked
.contents()), &AddonRealSize
, const_cast<uint8
*>((*Source
).contents() + CurrentPosition
), (*Source
).size() - CurrentPosition
)!= Z_OK
)
81 Target
->Initialize(SMSG_ADDON_INFO
);
83 while(AddOnPacked
.rpos() < AddOnPacked
.size())
85 std::string AddonNames
;
89 // check next addon data format correctness
90 if(AddOnPacked
.rpos()+1+4+4+1 > AddOnPacked
.size())
93 AddOnPacked
>> AddonNames
;
95 // recheck next addon data format correctness
96 if(AddOnPacked
.rpos()+4+4+1 > AddOnPacked
.size())
99 AddOnPacked
>> crc
>> unk7
>> unk6
;
101 //sLog.outDebug("ADDON: Name:%s CRC:%x Unknown1 :%x Unknown2 :%x", AddonNames.c_str(), crc, unk7, unk6);
106 *Target
<< (uint8
)unk1
;
109 uint8 unk2
= crc
!= 0x1c776d01LL
; //If addon is Standard addon CRC
110 *Target
<< (uint8
)unk2
;
112 Target
->append(tdata
, sizeof(tdata
));
114 *Target
<< (uint32
)0;
118 *Target
<< (uint8
)unk3
;
127 sLog
.outError("Addon packet uncompress error :(");
133 /* Code use in 1.10.2 when client not ignore ban state sended for addons. Saved for reference if client switch to use server ban state information
134 void AddonHandler::BuildAddonPacket(WorldPacket* Source, WorldPacket* Target, uint32 Packetoffset)
136 ByteBuffer AddOnPacked;
137 uLongf AddonRealSize;
138 uint32 CurrentPosition;
141 *Source >> TempValue; //get real size of the packed structure
143 AddonRealSize = TempValue; //temp value becouse ZLIB only excepts uLongf
145 CurrentPosition = Source->rpos(); //get the position of the pointer in the structure
147 AddOnPacked.resize(AddonRealSize); //resize target for zlib action
149 if (!uncompress((uint8*)AddOnPacked.contents(), &AddonRealSize, (uint8*)(*Source).contents() + CurrentPosition, (*Source).size() - CurrentPosition)!= Z_OK)
151 bool* AddonAllowed = new bool; //handle addon check and enable-ing
156 AddOnPacked >> Unknown0;
157 AddOnPacked >> Unknown1;
159 Target->Initialize(SMSG_ADDON_INFO);
161 uint32 i = 5; //offset for addon extraction
162 while(i != AddOnPacked.size())
164 std::string AddonNames;
165 AddOns* Addonstr = new AddOns;
168 AddOnPacked >> AddonNames >> CRCCHECK >> unk6;
170 //sLog.outDebug("ADDON: Name:%s CRC:%x Unknown:%x",AddonNames.c_str(), CRCCHECK,unk6);
172 Addonstr->Name = AddonNames;
173 Addonstr->CRC = CRCCHECK;
175 //if not allowed but unknown added to list
176 if (GetAddonStatus(Addonstr, AddonAllowed)) // If addon is new
178 Addonstr->Enabled = m_Addon_Default; // by default new addons are set from Config file
179 *AddonAllowed = m_Addon_Default; // Set addon allowed on default value
181 sLog.outDetail("Found new Addon, Name:%s CRC:%x Unknown:%x",AddonNames.c_str(), CRCCHECK, unk6);
184 if (CRCCHECK == 0x4C1C776D01LL) //If addon is Standard addon CRC
186 //value's standard Addons
187 *Target << uint8(0) << uint8(2) << uint8(1) << uint8(0) << uint32(0);
189 else if (*AddonAllowed) //if addon is Custom addons
190 //value's enable addon
191 *Target << uint8(0x00) << uint8(0x01) << uint8(0x00) << uint8(0x01);
193 //value's disable addom
194 *Target << uint8(0x00) << uint8(0x0) << uint8(0x00) << uint8(0x0);
196 i += AddonNames.size() + 10;
198 *Target << uint8(0x0);
200 //delete mem allocation
205 //handle uncompress error