BOOL My_RegLoadKeyA() { HKEY hKey=NULL; LPCSTR lpSubKey=NULL; LPCSTR lpFile=NULL; LONG returnVal_Real = NULL; LONG returnVal_Intercepted = NULL; DWORD error_Real = 0; DWORD error_Intercepted = 0; __try{ disableInterception(); returnVal_Real = RegLoadKeyA (hKey,lpSubKey,lpFile); error_Real = GetLastError(); enableInterception(); returnVal_Intercepted = RegLoadKeyA (hKey,lpSubKey,lpFile); error_Intercepted = GetLastError(); }__except(puts("in filter"), 1){puts("exception caught");} return ((returnVal_Real == returnVal_Intercepted) && (error_Real == error_Intercepted)); }
/*********************************************************************** * VxDCall_VMM */ static DWORD VxDCall_VMM( DWORD service, CONTEXT86 *context ) { switch ( LOWORD(service) ) { case 0x0011: /* RegOpenKey */ { HKEY hkey = (HKEY) stack32_pop( context ); LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context ); LPHKEY retkey = (LPHKEY)stack32_pop( context ); return RegOpenKeyA( hkey, lpszSubKey, retkey ); } case 0x0012: /* RegCreateKey */ { HKEY hkey = (HKEY) stack32_pop( context ); LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context ); LPHKEY retkey = (LPHKEY)stack32_pop( context ); return RegCreateKeyA( hkey, lpszSubKey, retkey ); } case 0x0013: /* RegCloseKey */ { HKEY hkey = (HKEY)stack32_pop( context ); return RegCloseKey( hkey ); } case 0x0014: /* RegDeleteKey */ { HKEY hkey = (HKEY) stack32_pop( context ); LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context ); return RegDeleteKeyA( hkey, lpszSubKey ); } case 0x0015: /* RegSetValue */ { HKEY hkey = (HKEY) stack32_pop( context ); LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context ); DWORD dwType = (DWORD) stack32_pop( context ); LPCSTR lpszData = (LPCSTR)stack32_pop( context ); DWORD cbData = (DWORD) stack32_pop( context ); return RegSetValueA( hkey, lpszSubKey, dwType, lpszData, cbData ); } case 0x0016: /* RegDeleteValue */ { HKEY hkey = (HKEY) stack32_pop( context ); LPSTR lpszValue = (LPSTR)stack32_pop( context ); return RegDeleteValueA( hkey, lpszValue ); } case 0x0017: /* RegQueryValue */ { HKEY hkey = (HKEY) stack32_pop( context ); LPSTR lpszSubKey = (LPSTR) stack32_pop( context ); LPSTR lpszData = (LPSTR) stack32_pop( context ); LPDWORD lpcbData = (LPDWORD)stack32_pop( context ); return RegQueryValueA( hkey, lpszSubKey, lpszData, lpcbData ); } case 0x0018: /* RegEnumKey */ { HKEY hkey = (HKEY) stack32_pop( context ); DWORD iSubkey = (DWORD)stack32_pop( context ); LPSTR lpszName = (LPSTR)stack32_pop( context ); DWORD lpcchName = (DWORD)stack32_pop( context ); return RegEnumKeyA( hkey, iSubkey, lpszName, lpcchName ); } case 0x0019: /* RegEnumValue */ { HKEY hkey = (HKEY) stack32_pop( context ); DWORD iValue = (DWORD) stack32_pop( context ); LPSTR lpszValue = (LPSTR) stack32_pop( context ); LPDWORD lpcchValue = (LPDWORD)stack32_pop( context ); LPDWORD lpReserved = (LPDWORD)stack32_pop( context ); LPDWORD lpdwType = (LPDWORD)stack32_pop( context ); LPBYTE lpbData = (LPBYTE) stack32_pop( context ); LPDWORD lpcbData = (LPDWORD)stack32_pop( context ); return RegEnumValueA( hkey, iValue, lpszValue, lpcchValue, lpReserved, lpdwType, lpbData, lpcbData ); } case 0x001A: /* RegQueryValueEx */ { HKEY hkey = (HKEY) stack32_pop( context ); LPSTR lpszValue = (LPSTR) stack32_pop( context ); LPDWORD lpReserved = (LPDWORD)stack32_pop( context ); LPDWORD lpdwType = (LPDWORD)stack32_pop( context ); LPBYTE lpbData = (LPBYTE) stack32_pop( context ); LPDWORD lpcbData = (LPDWORD)stack32_pop( context ); return RegQueryValueExA( hkey, lpszValue, lpReserved, lpdwType, lpbData, lpcbData ); } case 0x001B: /* RegSetValueEx */ { HKEY hkey = (HKEY) stack32_pop( context ); LPSTR lpszValue = (LPSTR) stack32_pop( context ); DWORD dwReserved = (DWORD) stack32_pop( context ); DWORD dwType = (DWORD) stack32_pop( context ); LPBYTE lpbData = (LPBYTE)stack32_pop( context ); DWORD cbData = (DWORD) stack32_pop( context ); return RegSetValueExA( hkey, lpszValue, dwReserved, dwType, lpbData, cbData ); } case 0x001C: /* RegFlushKey */ { HKEY hkey = (HKEY)stack32_pop( context ); return RtlNtStatusToDosError (NtFlushKey (hkey)); } case 0x001D: /* RegQueryInfoKey */ { /* NOTE: This VxDCall takes only a subset of the parameters that the corresponding Win32 API call does. The implementation in Win95 ADVAPI32 sets all output parameters not mentioned here to zero. */ HKEY hkey = (HKEY) stack32_pop( context ); LPDWORD lpcSubKeys = (LPDWORD)stack32_pop( context ); LPDWORD lpcchMaxSubKey = (LPDWORD)stack32_pop( context ); LPDWORD lpcValues = (LPDWORD)stack32_pop( context ); LPDWORD lpcchMaxValueName = (LPDWORD)stack32_pop( context ); LPDWORD lpcchMaxValueData = (LPDWORD)stack32_pop( context ); return RegQueryInfoKeyA( hkey, NULL, NULL, NULL, lpcSubKeys, lpcchMaxSubKey, NULL, lpcValues, lpcchMaxValueName, lpcchMaxValueData, NULL, NULL ); } case 0x0021: /* RegLoadKey */ { HKEY hkey = (HKEY) stack32_pop( context ); LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context ); LPCSTR lpszFile = (LPCSTR)stack32_pop( context ); return RegLoadKeyA( hkey, lpszSubKey, lpszFile ); } case 0x0022: /* RegUnLoadKey */ { HKEY hkey = (HKEY) stack32_pop( context ); LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context ); FIXME ("(%p, %s): stub (should call NtUnloadKey)\n", (void *)hkey, lpszSubKey); return ERROR_SUCCESS; } case 0x0023: /* RegSaveKey */ { HKEY hkey = (HKEY) stack32_pop( context ); LPCSTR lpszFile = (LPCSTR)stack32_pop( context ); LPSECURITY_ATTRIBUTES sa = (LPSECURITY_ATTRIBUTES)stack32_pop( context ); return RegSaveKeyA( hkey, lpszFile, sa ); } #if 0 /* Functions are not yet implemented in misc/registry.c */ case 0x0024: /* RegRemapPreDefKey */ case 0x0026: /* RegQueryMultipleValues */ #endif case 0x0027: /* RegReplaceKey */ { HKEY hkey = (HKEY) stack32_pop( context ); LPCSTR lpszSubKey = (LPCSTR)stack32_pop( context ); LPCSTR lpszNewFile= (LPCSTR)stack32_pop( context ); LPCSTR lpszOldFile= (LPCSTR)stack32_pop( context ); FIXME ("(%p, %s, %s, %s): stub (should call NtReplaceKey)\n", (void *)hkey, lpszSubKey, lpszNewFile, lpszOldFile); return ERROR_SUCCESS; } case 0x0000: /* PageReserve */ { LPVOID address; LPVOID ret; DWORD psize = getpagesize(); ULONG page = (ULONG) stack32_pop( context ); ULONG npages = (ULONG) stack32_pop( context ); ULONG flags = (ULONG) stack32_pop( context ); TRACE("PageReserve: page: %08lx, npages: %08lx, flags: %08lx partial stub!\n", page, npages, flags ); if ( page == PR_SYSTEM ) { ERR("Can't reserve ring 1 memory\n"); return -1; } /* FIXME: This has to be handled separately for the separate address-spaces we now have */ if ( page == PR_PRIVATE || page == PR_SHARED ) page = 0; /* FIXME: Handle flags in some way */ address = (LPVOID )(page * psize); ret = VirtualAlloc ( address, ( npages * psize ), MEM_RESERVE, 0 ); TRACE("PageReserve: returning: %08lx\n", (DWORD )ret ); if ( ret == NULL ) return -1; else return (DWORD )ret; } case 0x0001: /* PageCommit */ { LPVOID address; LPVOID ret; DWORD virt_perm; DWORD psize = getpagesize(); ULONG page = (ULONG) stack32_pop( context ); ULONG npages = (ULONG) stack32_pop( context ); ULONG hpd = (ULONG) stack32_pop( context ); ULONG pagerdata = (ULONG) stack32_pop( context ); ULONG flags = (ULONG) stack32_pop( context ); TRACE("PageCommit: page: %08lx, npages: %08lx, hpd: %08lx pagerdata: " "%08lx, flags: %08lx partial stub\n", page, npages, hpd, pagerdata, flags ); if ( flags & PC_USER ) if ( flags & PC_WRITEABLE ) virt_perm = PAGE_EXECUTE_READWRITE; else virt_perm = PAGE_EXECUTE_READ; else virt_perm = PAGE_NOACCESS; address = (LPVOID )(page * psize); ret = VirtualAlloc ( address, ( npages * psize ), MEM_COMMIT, virt_perm ); TRACE("PageCommit: Returning: %08lx\n", (DWORD )ret ); return (DWORD )ret; } case 0x0002: /* PageDecommit */ { LPVOID address; BOOL ret; DWORD psize = getpagesize(); ULONG page = (ULONG) stack32_pop( context ); ULONG npages = (ULONG) stack32_pop( context ); ULONG flags = (ULONG) stack32_pop( context ); TRACE("PageDecommit: page: %08lx, npages: %08lx, flags: %08lx partial stub\n", page, npages, flags ); address = (LPVOID )( page * psize ); ret = VirtualFree ( address, ( npages * psize ), MEM_DECOMMIT ); TRACE("PageDecommit: Returning: %s\n", ret ? "TRUE" : "FALSE" ); return ret; } case 0x000d: /* PageModifyPermissions */ { DWORD pg_old_perm; DWORD pg_new_perm; DWORD virt_old_perm; DWORD virt_new_perm; MEMORY_BASIC_INFORMATION mbi; LPVOID address; DWORD psize = getpagesize(); ULONG page = stack32_pop ( context ); ULONG npages = stack32_pop ( context ); ULONG permand = stack32_pop ( context ); ULONG permor = stack32_pop ( context ); TRACE("PageModifyPermissions %08lx %08lx %08lx %08lx partial stub\n", page, npages, permand, permor ); address = (LPVOID )( page * psize ); VirtualQuery ( address, &mbi, sizeof ( MEMORY_BASIC_INFORMATION )); virt_old_perm = mbi.Protect; switch ( virt_old_perm & mbi.Protect ) { case PAGE_READONLY: case PAGE_EXECUTE: case PAGE_EXECUTE_READ: pg_old_perm = PC_USER; break; case PAGE_READWRITE: case PAGE_WRITECOPY: case PAGE_EXECUTE_READWRITE: case PAGE_EXECUTE_WRITECOPY: pg_old_perm = PC_USER | PC_WRITEABLE; break; case PAGE_NOACCESS: default: pg_old_perm = 0; break; } pg_new_perm = pg_old_perm; pg_new_perm &= permand & ~PC_STATIC; pg_new_perm |= permor & ~PC_STATIC; virt_new_perm = ( virt_old_perm ) & ~0xff; if ( pg_new_perm & PC_USER ) { if ( pg_new_perm & PC_WRITEABLE ) virt_new_perm |= PAGE_EXECUTE_READWRITE; else virt_new_perm |= PAGE_EXECUTE_READ; } if ( ! VirtualProtect ( address, ( npages * psize ), virt_new_perm, &virt_old_perm ) ) { ERR("Can't change page permissions for %08lx\n", (DWORD )address ); return 0xffffffff; } TRACE("Returning: %08lx\n", pg_old_perm ); return pg_old_perm; } case 0x000a: /* PageFree */ { BOOL ret; LPVOID hmem = (LPVOID) stack32_pop( context ); DWORD flags = (DWORD ) stack32_pop( context ); TRACE("PageFree: hmem: %08lx, flags: %08lx partial stub\n", (DWORD )hmem, flags ); ret = VirtualFree ( hmem, 0, MEM_RELEASE ); context->Eax = ret; TRACE("Returning: %d\n", ret ); return 0; } case 0x001e: /* GetDemandPageInfo */ { DWORD dinfo = (DWORD)stack32_pop( context ); DWORD flags = (DWORD)stack32_pop( context ); /* GetDemandPageInfo is supposed to fill out the struct at * "dinfo" with various low-level memory management information. * Apps are certainly not supposed to call this, although it's * demoed and documented by Pietrek on pages 441-443 of "Windows * 95 System Programming Secrets" if any program needs a real * implementation of this. */ FIXME("GetDemandPageInfo(%08lx %08lx): stub!\n", dinfo, flags); return 0; } default: if (LOWORD(service) < N_VMM_SERVICE) FIXME( "Unimplemented service %s (%08lx)\n", VMM_Service_Name[LOWORD(service)], service); else FIXME( "Unknown service %08lx\n", service); break; } return 0xffffffff; /* FIXME */ }