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wibo
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ole32

This commit is contained in:
Simon Lindholm 2022-06-29 17:23:33 +02:00
parent 6281fa2da7
commit 916c10543d
3 changed files with 40 additions and 6 deletions
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1
common.h
View File

@ -18,6 +18,7 @@ namespace wibo {
void *resolveVersion(const char *name);
void *resolveKernel32(const char *name);
void *resolveUser32(const char *name);
void *resolveOle32(const char *name);
void *resolveAdvApi32(const char *name);
void *resolveLmgr11(uint16_t ordinal);
void *resolveStubByName(const char *dllName, const char *funcName);

9
main.cpp
View File

@ -45,11 +45,6 @@ DEFINE_STUBS(3, 0) DEFINE_STUBS(3, 1) DEFINE_STUBS(3, 2) DEFINE_STUBS(3, 3)
#undef DEFINE_STUB
#undef DEFINE_STUBS
uint32_t __attribute__((stdcall)) CoInitialize(void *pvReserved) {
DEBUG_LOG("CoInitialize(...)\n");
return 0; // S_OK I think?
}
void *wibo::resolveStubByName(const char *dllName, const char *funcName) {
if (strcmp(dllName, "KERNEL32.dll") == 0) {
void *func = wibo::resolveKernel32(funcName);
@ -72,7 +67,9 @@ void *wibo::resolveStubByName(const char *dllName, const char *funcName) {
return func;
}
if (strcmp(dllName, "ole32.dll") == 0) {
if (strcmp(funcName, "CoInitialize") == 0) return (void *) CoInitialize;
void *func = wibo::resolveOle32(funcName);
if (func)
return func;
}
DEBUG_LOG("Missing function: %s (%s)\n", dllName, funcName);

36
ole32.cpp Normal file
View File

@ -0,0 +1,36 @@
#include "common.h"
namespace ole32 {
int WIN_FUNC CoInitialize(void *pvReserved) {
DEBUG_LOG("CoInitialize(...)\n");
return 0; // S_OK
}
struct GUID {
unsigned int Data1;
unsigned short Data2;
unsigned short Data3;
unsigned char Data4[8];
};
int WIN_FUNC CoCreateInstance(
const GUID *rclsid,
void *pUnkOuter,
unsigned int dwClsContext,
const GUID *riid,
void **ppv
) {
// for mwcc_41_60126:
// rclsid = CLSID_ShellLink (0x21401), riid = IID_IShellLinkA (0x214ee)
// and then it crashes with a null pointer deref
DEBUG_LOG("CoCreateInstance 0x%x %p %d 0x%x %p\n", rclsid->Data1, pUnkOuter, dwClsContext, riid->Data1, *ppv);
*ppv = 0;
return 1;
}
}
void *wibo::resolveOle32(const char *name) {
if (strcmp(name, "CoInitialize") == 0) return (void *) ole32::CoInitialize;
if (strcmp(name, "CoCreateInstance") == 0) return (void *) ole32::CoCreateInstance;
return 0;
}