bananatools/hooklib/debug.c

49 lines
932 B
C

#include <windows.h>
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include "hook/com-proxy.h"
#include "hook/table.h"
#include "hooklib/config.h"
#include "hooklib/dll.h"
#include "hooklib/debug.h"
#include "util/dprintf.h"
/* API hooks */
static BOOL WINAPI hook_IsDebuggerPresent();
static BOOL (WINAPI *next_IsDebuggerPresent)();
/* Link pointers */
static bool debug_hook_initted;
static const struct hook_symbol debug_hooks[] = {
{ .name = "IsDebuggerPresent",
.patch = hook_IsDebuggerPresent,
.link = (void **) &next_IsDebuggerPresent },
};
void debug_hook_init()
{
if (debug_hook_initted) {
return;
}
debug_hook_initted = true;
hook_table_apply(NULL, "kernel32.dll", debug_hooks, _countof(debug_hooks));
dprintf("debug: hook enabled.\n");
}
BOOL WINAPI hook_IsDebuggerPresent()
{
dprintf("debug: IsDebuggerPresent hooked.\n");
return false;
}