/*++ Copyright (c) 1997-1999 Microsoft Corporation Module Name: wmisecur.c Abstract: Wmi security tool Author: 16-Jan-1997 AlanWar Revision History: --*/ #define INITGUID #include #include #include #include #include #include #include #include #include "wmium.h" // // The routines below were blantenly stolen without remorse from the ole // sources in \nt\private\ole32\com\class\compapi.cxx. They are copied here // so that WMI doesn't need to load in ole32 only to convert a guid string // into its binary representation. // //+------------------------------------------------------------------------- // // Function: HexStringToDword (private) // // Synopsis: scan lpsz for a number of hex digits (at most 8); update lpsz // return value in Value; check for chDelim; // // Arguments: [lpsz] - the hex string to convert // [Value] - the returned value // [cDigits] - count of digits // // Returns: TRUE for success // //-------------------------------------------------------------------------- BOOL HexStringToDword(LPCSTR lpsz, DWORD * RetValue, int cDigits, WCHAR chDelim) { int Count; DWORD Value; Value = 0; for (Count = 0; Count < cDigits; Count++, lpsz++) { if (*lpsz >= '0' && *lpsz <= '9') Value = (Value << 4) + *lpsz - '0'; else if (*lpsz >= 'A' && *lpsz <= 'F') Value = (Value << 4) + *lpsz - 'A' + 10; else if (*lpsz >= 'a' && *lpsz <= 'f') Value = (Value << 4) + *lpsz - 'a' + 10; else return(FALSE); } *RetValue = Value; if (chDelim != 0) return *lpsz++ == chDelim; else return TRUE; } //+------------------------------------------------------------------------- // // Function: wUUIDFromString (internal) // // Synopsis: Parse UUID such as 00000000-0000-0000-0000-000000000000 // // Arguments: [lpsz] - Supplies the UUID string to convert // [pguid] - Returns the GUID. // // Returns: TRUE if successful // //-------------------------------------------------------------------------- BOOL wUUIDFromString(LPCSTR lpsz, LPGUID pguid) { DWORD dw; if (!HexStringToDword(lpsz, &pguid->Data1, sizeof(DWORD)*2, '-')) return FALSE; lpsz += sizeof(DWORD)*2 + 1; if (!HexStringToDword(lpsz, &dw, sizeof(WORD)*2, '-')) return FALSE; lpsz += sizeof(WORD)*2 + 1; pguid->Data2 = (WORD)dw; if (!HexStringToDword(lpsz, &dw, sizeof(WORD)*2, '-')) return FALSE; lpsz += sizeof(WORD)*2 + 1; pguid->Data3 = (WORD)dw; if (!HexStringToDword(lpsz, &dw, sizeof(BYTE)*2, 0)) return FALSE; lpsz += sizeof(BYTE)*2; pguid->Data4[0] = (BYTE)dw; if (!HexStringToDword(lpsz, &dw, sizeof(BYTE)*2, '-')) return FALSE; lpsz += sizeof(BYTE)*2+1; pguid->Data4[1] = (BYTE)dw; if (!HexStringToDword(lpsz, &dw, sizeof(BYTE)*2, 0)) return FALSE; lpsz += sizeof(BYTE)*2; pguid->Data4[2] = (BYTE)dw; if (!HexStringToDword(lpsz, &dw, sizeof(BYTE)*2, 0)) return FALSE; lpsz += sizeof(BYTE)*2; pguid->Data4[3] = (BYTE)dw; if (!HexStringToDword(lpsz, &dw, sizeof(BYTE)*2, 0)) return FALSE; lpsz += sizeof(BYTE)*2; pguid->Data4[4] = (BYTE)dw; if (!HexStringToDword(lpsz, &dw, sizeof(BYTE)*2, 0)) return FALSE; lpsz += sizeof(BYTE)*2; pguid->Data4[5] = (BYTE)dw; if (!HexStringToDword(lpsz, &dw, sizeof(BYTE)*2, 0)) return FALSE; lpsz += sizeof(BYTE)*2; pguid->Data4[6] = (BYTE)dw; if (!HexStringToDword(lpsz, &dw, sizeof(BYTE)*2, 0)) return FALSE; lpsz += sizeof(BYTE)*2; pguid->Data4[7] = (BYTE)dw; return TRUE; } //+------------------------------------------------------------------------- // // Function: wGUIDFromString (internal) // // Synopsis: Parse GUID such as {00000000-0000-0000-0000-000000000000} // // Arguments: [lpsz] - the guid string to convert // [pguid] - guid to return // // Returns: TRUE if successful // //-------------------------------------------------------------------------- BOOL wGUIDFromString(LPCSTR lpsz, LPGUID pguid) { DWORD dw; if (*lpsz == '{' ) lpsz++; if(wUUIDFromString(lpsz, pguid) != TRUE) return FALSE; lpsz +=36; if (*lpsz == '}' ) lpsz++; if (*lpsz != '\0') // check for zero terminated string - test bug #18307 { return FALSE; } return TRUE; } UCHAR Buffer[4096]; int __cdecl main(int argc, char *argv[]) { WMIHANDLE Handle; GUID Guid; ULONG Size; ULONG Status; if (wGUIDFromString(argv[1], &Guid)) { Status = WmiOpenBlock(&Guid, WMIGUID_QUERY, &Handle); if (Status == ERROR_SUCCESS) { Size = sizeof(Buffer); Status = WmiQueryAllDataMultiple(&Handle, 1, &Size, Buffer); if (Status == ERROR_SUCCESS) { printf("returned %d bytes\n", Size); } } } }