1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#include "AddonHandler.h"
#include "DatabaseEnv.h"
#include "Log.h"
#include "Opcodes.h"
#include "zlib.h"
AddonHandler::AddonHandler()
{
}
AddonHandler::~AddonHandler()
{
}
AddonHandler* AddonHandler::instance()
{
static AddonHandler instance;
return &instance;
}
bool AddonHandler::BuildAddonPacket(WorldPacket* Source, WorldPacket* Target)
{
ByteBuffer AddOnPacked;
uLongf AddonRealSize;
uint32 CurrentPosition;
uint32 TempValue;
// broken addon packet, can't be received from real client
if (Source->rpos() + 4 > Source->size())
return false;
*Source >> TempValue; // get real size of the packed structure
// empty addon packet, nothing process, can't be received from real client
if (!TempValue)
return false;
AddonRealSize = TempValue; // temp value because ZLIB only excepts uLongf
CurrentPosition = Source->rpos(); // get the position of the pointer in the structure
AddOnPacked.resize(AddonRealSize); // resize target for zlib action
if (uncompress(const_cast<uint8*>(AddOnPacked.contents()), &AddonRealSize, const_cast<uint8*>((*Source).contents() + CurrentPosition), (*Source).size() - CurrentPosition) == Z_OK)
{
Target->Initialize(SMSG_ADDON_INFO);
uint32 addonsCount;
AddOnPacked >> addonsCount; // addons count?
for (uint32 i = 0; i < addonsCount; ++i)
{
std::string addonName;
uint8 enabled;
uint32 crc, unk2;
// check next addon data format correctness
if (AddOnPacked.rpos() + 1 > AddOnPacked.size())
return false;
AddOnPacked >> addonName;
// recheck next addon data format correctness
if (AddOnPacked.rpos() + 1 + 4 + 4 > AddOnPacked.size())
return false;
AddOnPacked >> enabled >> crc >> unk2;
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
sLog->outDebug(LOG_FILTER_NETWORKIO, "ADDON: Name: %s, Enabled: 0x%x, CRC: 0x%x, Unknown2: 0x%x", addonName.c_str(), enabled, crc, unk2);
#endif
uint8 state = (enabled ? 2 : 1);
*Target << uint8(state);
uint8 unk1 = (enabled ? 1 : 0);
*Target << uint8(unk1);
if (unk1)
{
uint8 unk = (crc != 0x4c1c776d); // If addon is Standard addon CRC
*Target << uint8(unk);
if (unk)
{
unsigned char tdata[256] =
{
0xC3, 0x5B, 0x50, 0x84, 0xB9, 0x3E, 0x32, 0x42, 0x8C, 0xD0, 0xC7, 0x48, 0xFA, 0x0E, 0x5D, 0x54,
0x5A, 0xA3, 0x0E, 0x14, 0xBA, 0x9E, 0x0D, 0xB9, 0x5D, 0x8B, 0xEE, 0xB6, 0x84, 0x93, 0x45, 0x75,
0xFF, 0x31, 0xFE, 0x2F, 0x64, 0x3F, 0x3D, 0x6D, 0x07, 0xD9, 0x44, 0x9B, 0x40, 0x85, 0x59, 0x34,
0x4E, 0x10, 0xE1, 0xE7, 0x43, 0x69, 0xEF, 0x7C, 0x16, 0xFC, 0xB4, 0xED, 0x1B, 0x95, 0x28, 0xA8,
0x23, 0x76, 0x51, 0x31, 0x57, 0x30, 0x2B, 0x79, 0x08, 0x50, 0x10, 0x1C, 0x4A, 0x1A, 0x2C, 0xC8,
0x8B, 0x8F, 0x05, 0x2D, 0x22, 0x3D, 0xDB, 0x5A, 0x24, 0x7A, 0x0F, 0x13, 0x50, 0x37, 0x8F, 0x5A,
0xCC, 0x9E, 0x04, 0x44, 0x0E, 0x87, 0x01, 0xD4, 0xA3, 0x15, 0x94, 0x16, 0x34, 0xC6, 0xC2, 0xC3,
0xFB, 0x49, 0xFE, 0xE1, 0xF9, 0xDA, 0x8C, 0x50, 0x3C, 0xBE, 0x2C, 0xBB, 0x57, 0xED, 0x46, 0xB9,
0xAD, 0x8B, 0xC6, 0xDF, 0x0E, 0xD6, 0x0F, 0xBE, 0x80, 0xB3, 0x8B, 0x1E, 0x77, 0xCF, 0xAD, 0x22,
0xCF, 0xB7, 0x4B, 0xCF, 0xFB, 0xF0, 0x6B, 0x11, 0x45, 0x2D, 0x7A, 0x81, 0x18, 0xF2, 0x92, 0x7E,
0x98, 0x56, 0x5D, 0x5E, 0x69, 0x72, 0x0A, 0x0D, 0x03, 0x0A, 0x85, 0xA2, 0x85, 0x9C, 0xCB, 0xFB,
0x56, 0x6E, 0x8F, 0x44, 0xBB, 0x8F, 0x02, 0x22, 0x68, 0x63, 0x97, 0xBC, 0x85, 0xBA, 0xA8, 0xF7,
0xB5, 0x40, 0x68, 0x3C, 0x77, 0x86, 0x6F, 0x4B, 0xD7, 0x88, 0xCA, 0x8A, 0xD7, 0xCE, 0x36, 0xF0,
0x45, 0x6E, 0xD5, 0x64, 0x79, 0x0F, 0x17, 0xFC, 0x64, 0xDD, 0x10, 0x6F, 0xF3, 0xF5, 0xE0, 0xA6,
0xC3, 0xFB, 0x1B, 0x8C, 0x29, 0xEF, 0x8E, 0xE5, 0x34, 0xCB, 0xD1, 0x2A, 0xCE, 0x79, 0xC3, 0x9A,
0x0D, 0x36, 0xEA, 0x01, 0xE0, 0xAA, 0x91, 0x20, 0x54, 0xF0, 0x72, 0xD8, 0x1E, 0xC7, 0x89, 0xD2
};
Target->append(tdata, sizeof(tdata));
}
*Target << uint32(0);
}
uint8 unk3 = (enabled ? 0 : 1);
*Target << uint8(unk3);
if (unk3)
{
// String, 256 (null terminated?)
*Target << uint8(0);
}
}
uint32 unk4;
AddOnPacked >> unk4;
uint32 count = 0;
*Target << uint32(count);
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
if (AddOnPacked.rpos() != AddOnPacked.size())
sLog->outDebug(LOG_FILTER_NETWORKIO, "packet under read!");
#endif
}
else
{
sLog->outError("Addon packet uncompress error :(");
return false;
}
return true;
}
|
