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https://github.com/HIllya51/LunaHook.git
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cef
This commit is contained in:
恍兮惚兮
parent
95187cd225
commit
552f76b43e
@ -1,118 +1,130 @@
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#include"cef.h"
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#include "cef.h"
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typedef wchar_t char16;
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typedef struct _cef_string_wide_t {
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wchar_t* str;
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typedef struct _cef_string_wide_t
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{
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wchar_t *str;
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size_t length;
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void (*dtor)(wchar_t* str);
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void (*dtor)(wchar_t *str);
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} cef_string_wide_t;
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typedef struct _cef_string_utf8_t {
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char* str;
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typedef struct _cef_string_utf8_t
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{
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char *str;
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size_t length;
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void (*dtor)(char* str);
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void (*dtor)(char *str);
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} cef_string_utf8_t;
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typedef struct _cef_string_utf16_t {
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char16* str;
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typedef struct _cef_string_utf16_t
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{
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char16 *str;
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size_t length;
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void (*dtor)(char16* str);
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void (*dtor)(char16 *str);
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} cef_string_utf16_t;
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static void hook_cef_string_utf16_t(hook_stack* stack, HookParam *hp, uintptr_t* data, uintptr_t* split, size_t* len)
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static void hook_cef_string_utf16_t(hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
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{
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if (auto p = (_cef_string_utf16_t*)stack->stack[1]) {
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if (auto p = (_cef_string_utf16_t *)stack->stack[1])
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{
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*data = (DWORD)p->str;
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*len = p->length; // for widechar
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auto s = stack->ecx;
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for (int i = 0; i < 0x10; i++) // traverse pointers until a non-readable address is met
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if (s && !::IsBadReadPtr((LPCVOID)s, sizeof(DWORD)))
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s = *(DWORD*)s;
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s = *(DWORD *)s;
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else
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break;
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if (!s)
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s = hp->address;
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if (hp->type & USING_SPLIT) *split = s;
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if (hp->type & USING_SPLIT)
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*split = s;
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}
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}
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static void hook_cef_string_wide_t(hook_stack* stack, HookParam *hp, uintptr_t* data, uintptr_t* split, size_t* len)
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static void hook_cef_string_wide_t(hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
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{
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if (auto p = (_cef_string_wide_t*)stack->stack[1]) {
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if (auto p = (_cef_string_wide_t *)stack->stack[1])
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{
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*data = (DWORD)p->str;
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*len = p->length; // for widechar
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auto s = stack->ecx;
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for (int i = 0; i < 0x10; i++) // traverse pointers until a non-readable address is met
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if (s && !::IsBadReadPtr((LPCVOID)s, sizeof(DWORD)))
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s = *(DWORD*)s;
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s = *(DWORD *)s;
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else
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break;
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if (!s)
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s = hp->address;
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if (hp->type & USING_SPLIT) *split = s;
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if (hp->type & USING_SPLIT)
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*split = s;
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}
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}
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static void hook_cef_string_utf8_t(hook_stack* stack, HookParam *hp, uintptr_t* data, uintptr_t* split, size_t* len)
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static void hook_cef_string_utf8_t(hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
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{
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if (auto p = (_cef_string_utf8_t*)stack->stack[1]) {
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if (auto p = (_cef_string_utf8_t *)stack->stack[1])
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{
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*data = (DWORD)p->str;
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*len = p->length; // for widechar
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auto s = stack->ecx;
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for (int i = 0; i < 0x10; i++) // traverse pointers until a non-readable address is met
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if (s && !::IsBadReadPtr((LPCVOID)s, sizeof(DWORD)))
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s = *(DWORD*)s;
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s = *(DWORD *)s;
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else
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break;
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if (!s)
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s = hp->address;
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if (hp->type & USING_SPLIT) *split = s;
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if (hp->type & USING_SPLIT)
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*split = s;
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}
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}
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bool InsertlibcefHook(HMODULE module)
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{
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if (!module)return false;
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if (!module)
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return false;
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bool ret = false;
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struct libcefFunction { // argument indices start from 0 for SpecialHookMonoString, otherwise 1
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const char* functionName;
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size_t textIndex; // argument index
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short lengthIndex; // argument index
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struct libcefFunction
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{ // argument indices start from 0 for SpecialHookMonoString, otherwise 1
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const char *functionName;
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size_t textIndex; // argument index
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short lengthIndex; // argument index
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unsigned long hookType; // HookParam type
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void* text_fun; // HookParam::text_fun_t
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};
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void *text_fun; // HookParam::text_fun_t
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};
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HookParam hp;
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const libcefFunction funcs[] = {
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{"cef_string_utf8_set",1,0,USING_STRING | CODEC_UTF8 | NO_CONTEXT,NULL}, //ok
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{"cef_string_utf8_to_utf16",1,0,USING_STRING | CODEC_UTF8 | NO_CONTEXT,NULL},
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{"cef_string_utf8_to_wide",1,0,USING_STRING | CODEC_UTF8 | NO_CONTEXT,NULL}, //ok
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{"cef_string_utf8_clear",0,0,USING_STRING | CODEC_UTF8 | NO_CONTEXT,hook_cef_string_utf8_t},
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{"cef_string_utf8_set", 1, 0, USING_STRING | CODEC_UTF8 | NO_CONTEXT, NULL}, // ok
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{"cef_string_utf8_to_utf16", 1, 0, USING_STRING | CODEC_UTF8 | NO_CONTEXT, NULL},
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{"cef_string_utf8_to_wide", 1, 0, USING_STRING | CODEC_UTF8 | NO_CONTEXT, NULL}, // ok
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{"cef_string_utf8_clear", 0, 0, USING_STRING | CODEC_UTF8 | NO_CONTEXT, hook_cef_string_utf8_t},
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{"cef_string_utf16_set",1,0,USING_STRING|CODEC_UTF16 | NO_CONTEXT,NULL}, //ok
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{"cef_string_utf16_clear",0,0,USING_STRING|CODEC_UTF16,hook_cef_string_utf16_t},//ok
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{"cef_string_utf16_to_utf8",1,0,USING_STRING|CODEC_UTF16 | NO_CONTEXT,NULL},//ok
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{"cef_string_utf16_to_wide",1,0,USING_STRING|CODEC_UTF16 | NO_CONTEXT,NULL},
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{"cef_string_utf16_set", 1, 0, USING_STRING | CODEC_UTF16 | NO_CONTEXT, NULL}, // ok
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{"cef_string_utf16_clear", 0, 0, USING_STRING | CODEC_UTF16, hook_cef_string_utf16_t}, // ok
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{"cef_string_utf16_to_utf8", 1, 0, USING_STRING | CODEC_UTF16 | NO_CONTEXT, NULL}, // ok
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{"cef_string_utf16_to_wide", 1, 0, USING_STRING | CODEC_UTF16 | NO_CONTEXT, NULL},
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{"cef_string_ascii_to_utf16",1,0,USING_STRING | NO_CONTEXT,NULL},
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{"cef_string_ascii_to_wide",1,0,USING_STRING | NO_CONTEXT,NULL},
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{"cef_string_ascii_to_utf16", 1, 0, USING_STRING | NO_CONTEXT, NULL},
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{"cef_string_ascii_to_wide", 1, 0, USING_STRING | NO_CONTEXT, NULL},
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{"cef_string_wide_set",1,0,USING_STRING | CODEC_UTF16 | NO_CONTEXT,NULL},//ok
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{"cef_string_wide_to_utf16",1,0,USING_STRING| CODEC_UTF16 | NO_CONTEXT,NULL},
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{"cef_string_wide_to_utf8",1,0,USING_STRING | CODEC_UTF16 | NO_CONTEXT,NULL},
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{"cef_string_wide_clear",0,0,USING_STRING|CODEC_UTF16,hook_cef_string_wide_t}
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};
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for (auto func : funcs) {
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if (FARPROC addr = ::GetProcAddress(module, func.functionName)) {
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if (addr == 0)continue;
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{"cef_string_wide_set", 1, 0, USING_STRING | CODEC_UTF16 | NO_CONTEXT, NULL}, // ok
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{"cef_string_wide_to_utf16", 1, 0, USING_STRING | CODEC_UTF16 | NO_CONTEXT, NULL},
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{"cef_string_wide_to_utf8", 1, 0, USING_STRING | CODEC_UTF16 | NO_CONTEXT, NULL},
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{"cef_string_wide_clear", 0, 0, USING_STRING | CODEC_UTF16, hook_cef_string_wide_t}};
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for (auto func : funcs)
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{
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if (FARPROC addr = ::GetProcAddress(module, func.functionName))
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{
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if (addr == 0)
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continue;
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hp.address = (DWORD)addr;
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hp.type = func.hookType;
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hp.type = func.hookType;
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hp.offset = func.textIndex * 4;
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hp.length_offset = func.lengthIndex * 4;
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hp.text_fun = (decltype(hp.text_fun))func.text_fun;
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ConsoleOutput("libcef: INSERT");
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ret|=NewHook(hp, func.functionName);
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ret |= NewHook(hp, func.functionName);
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}
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}
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@ -120,65 +132,89 @@ bool InsertlibcefHook(HMODULE module)
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ConsoleOutput("libcef: failed to find function address");
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return ret;
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}
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bool libcefhook(HMODULE module) {
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//https://vndb.org/v12297
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//魔降ル夜ノ凜 Animation ダウンロード版
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namespace
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{
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bool ceffileter(void *data, uintptr_t *size, HookParam *hp)
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{
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auto s = std::wstring((wchar_t *)data, *size / 2);
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if (s == *(std::wstring *)(hp->user_value))
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return false;
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*(std::wstring *)(hp->user_value) = s;
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return true;
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};
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}
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bool libcefhook(HMODULE module)
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{
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// https://vndb.org/v12297
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// 魔降ル夜ノ凜 Animation ダウンロード版
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if (module == 0)return false;
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auto [minAddress, maxAddress] = Util::QueryModuleLimits(module);
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ConsoleOutput("check v8libcefhook %p %p", minAddress,maxAddress);
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ConsoleOutput("check v8libcefhook %p %p", minAddress, maxAddress);
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const BYTE bytes[] = {
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0x50,
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0x51,
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0x52,
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0x57,
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0xff,0xd6,
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0x83,0xc4,0x10,
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0x8b,0x4d,XX,
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0x89,0xc6,
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0x31,0xe9,
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0xe8,XX4,
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0x89,0xF0,
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0x83,0xC4,0x18,
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0xff, 0xd6,
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0x83, 0xc4, 0x10,
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0x8b, 0x4d, XX,
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0x89, 0xc6,
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0x31, 0xe9,
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0xe8, XX4,
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0x89, 0xF0,
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0x83, 0xC4, 0x18,
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0x5e,
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0x5f,
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0x5d,
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0xc3
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};
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auto addr = reverseFindBytes(bytes, sizeof(bytes), minAddress, maxAddress);
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// 対魔忍ユキカゼ２Animation
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const BYTE bytes2[] = {
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0x51,
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0x57,
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0x52,
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0x50,
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0xff, 0xd6,
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0x83, 0xc4, 0x10,
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0x8b, 0x4d, XX,
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0x89, 0xc6,
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0x31, 0xe9,
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0xe8, XX4,
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0x89, 0xF0,
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0x83, 0xC4, 0x18,
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0x5e,
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0x5f,
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0x5b,
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0x5d,
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0xc3
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HookParam hp;
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hp.address = addr+6;
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hp.offset=get_stack(1);
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hp.filter_fun=[] (void* data, uintptr_t * size, HookParam*) {
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std::wstring s = L"";
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int i = 0;
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for (; i < *size /2; i++) {
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auto c = ((LPWSTR)data)[i];
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if (c == L'[') {
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break;
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}
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else {
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s += c;
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}
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}
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strReplace(s,L"<br>",L"\n");
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static std::wstring last;
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if(s==last)return false;
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last=s;
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return write_string_overwrite(data,size,s);
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};
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hp.type = USING_STRING | CODEC_UTF16|NO_CONTEXT;
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ConsoleOutput("v8libcefhook %p", addr);
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return NewHook(hp, "v8libcefhook");
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bool succ = false;
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for (auto addrs : {Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE_READWRITE, minAddress, maxAddress), Util::SearchMemory(bytes2, sizeof(bytes2), PAGE_EXECUTE_READWRITE, minAddress, maxAddress)})
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{
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for (auto addr : addrs)
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{
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HookParam hp;
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hp.address = addr + 4;
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hp.offset = get_stack(1);
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hp.filter_fun = ceffileter;
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hp.newlineseperator = L"<br>";
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hp.length_offset = 2;
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hp.type = USING_STRING | CODEC_UTF16 | NO_CONTEXT;
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hp.user_value = (DWORD) new std::wstring;
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succ |= NewHook(hp, "libcef");
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}
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}
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return succ;
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}
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bool cef::attach_function(){
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bool cef::attach_function()
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{
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auto hm = GetModuleHandleW(L"libcef.dll");
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//InsertlibcefHook(hm);
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if (!hm)
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return false;
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// InsertlibcefHook(hm);
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return libcefhook(hm);
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}
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