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
|
#include "core/convar/convar.h"
#include "engine/r2engine.h"
#include "shared/exploit_fixes/ns_limits.h"
#include <string>
AUTOHOOK_INIT()
static ConVar* Cvar_net_debug_atlas_packet;
static void ProcessAtlasConnectionlessPacket(R2::netpacket_t* packet)
{
bool dbg = Cvar_net_debug_atlas_packet->GetBool();
// extract kind, null-terminated type, data
std::string pType, pData;
for (int i = 5; i < packet->size; i++)
{
if (packet->data[i] == '\x00')
{
pType.assign((char*)(&packet->data[5]), (size_t)(i - 5));
if (i + 1 < packet->size)
pData.assign((char*)(&packet->data[i + 1]), (size_t)(packet->size - i - 1));
break;
}
}
if (dbg)
spdlog::warn("ignoring Atlas connectionless packet (size={} type={}): unknown type", packet->size, pType);
return;
}
AUTOHOOK(ProcessConnectionlessPacket, engine.dll + 0x117800, bool, , (void* a1, R2::netpacket_t* packet))
{
if (4 < packet->size && packet->data[4] == 'T')
{
ProcessAtlasConnectionlessPacket(packet);
return false;
}
if (!g_pServerLimits->CheckConnectionlessPacketLimits(packet))
return false;
return ProcessConnectionlessPacket(a1, packet);
}
ON_DLL_LOAD_RELIESON("engine.dll", ServerNetHooks, ConVar, (CModule module))
{
AUTOHOOK_DISPATCH_MODULE(engine.dll)
Cvar_net_debug_atlas_packet = new ConVar(
"net_debug_atlas_packet",
"0",
FCVAR_NONE,
"Whether to log detailed debugging information for Atlas connectionless packets (warning: this allows unlimited amounts of "
"arbitrary data to be logged)");
}
|