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
|
#include <cstdio>
#include "pch.h"
#include "../NorthstarDLL/hookutils.h"
#define HU_ERROR(...) \
{ \
char err[2048]; \
snprintf(err, sizeof(err), __VA_ARGS__); \
MessageBoxA(GetForegroundWindow(), err, "Northstar Wsock32 Proxy Error", 0); \
}
void HookEnabler::CreateHook(LPVOID ppTarget, LPVOID ppDetour, LPVOID* ppOriginal, const char* targetName)
{
// the macro for this uses ppTarget's name as targetName, and this typically starts with &
// targetname is used for debug stuff and debug output is nicer if we don't have this
if (*targetName == '&')
targetName++;
if (MH_CreateHook(ppTarget, ppDetour, ppOriginal) == MH_OK)
{
HookTarget* target = new HookTarget;
target->targetAddress = ppTarget;
target->targetName = (char*)targetName;
m_hookTargets.push_back(target);
}
else
{
if (targetName != nullptr)
{
HU_ERROR("MH_CreateHook failed for function %s", targetName);
}
else
{
HU_ERROR("MH_CreateHook failed for unknown function");
}
}
}
HookEnabler::~HookEnabler()
{
for (auto& hook : m_hookTargets)
{
if (MH_EnableHook(hook->targetAddress) != MH_OK)
{
if (hook->targetName != nullptr)
{
HU_ERROR("MH_EnableHook failed for function %s", hook->targetName);
}
else
{
HU_ERROR("MH_EnableHook failed for unknown function");
}
}
else
{
// HU_ERROR("Enabling hook %s", hook->targetName);
}
}
}
|