PnpGetGenericStorePropertyKeys

signed int __fastcall PnpGetGenericStorePropertyKeys(
        __int64 a1,
        VOID *a2,
        const wchar_t *a3,
        char a4,
        __int64 arg20,
        int arg28,
        __int64 arg30){
  char v7; 
  const wchar_t *v8; 
  VOID *v9; 
  signed int result; 
  unsigned int i; 
  NTSTATUS v13; 
  __int64 v14; 
  unsigned int v15; 
  NTSTATUS v16; 
  __int64 v17; 
  __int64 v18; 
  ULONG v19; 
  NTSTATUS v20; 
  bool v21; 
  int v22; 
  __int64 v23; 
  __int64 v24; 
  INT64 a5; 
  int a6; 
  INT64 a6a; 
  INT64 a7; 
  INT64 v29; 
  UINT64 KeyNameLength; 
  char Value[12]; 
  INT64 v33; 
  VOID *hKey; 
  _SIZE_T pcchLength; 
  const wchar_t *v36; 
  _UNICODE_STRING DestinationString; 
  __int64 v38; 
  _GUID Guid; 
  WCHAR SourceString[16]; 
  WCHAR KeyName[40]; 
  char v42[176]; 

  v7 = 0;
  v36 = a3;
  v8 = a3;
  *(_DWORD *)arg30 = 0;
  v9 = a2;
  v38 = arg20;
  hKey = 0i64;
  v33 = 0i64;
  HIDWORD(KeyNameLength) = 0;
  memset(Value, 0, sizeof(Value));
  Guid = 0i64;
  DestinationString = 0i64;
  if( !a3 || (result = RtlUnalignedStringCchLengthW(a3, 85, &pcchLength), result >= 0) )
  {
    result = PnpOpenPropertiesKey(a1, v9, 0i64, 9u, 0, a6, (INT64)&hKey);
    if( result == -1073741772 )
      return 0;
    if( result >= 0 )
    {
      for( i = 0; ; i = pcchLength )
      {
        while( 1 )
        {
          do
          {
            LODWORD(KeyNameLength) = 39;
            v13 = RegRtlEnumKey(hKey, i++, KeyName, &KeyNameLength, a5, a6a, a7, v29);
            pcchLength = i;
          }
          while( v13 == -1073741789 );
          if( v13 )
          {
            ZwClose((_HANDLE)hKey);
            return(unsigned int)arg28 < *(_DWORD *)arg30 ? 0xC0000023 : 0;
          }
          if( RtlInitUnicodeStringEx(&DestinationString, KeyName) >= 0
            && RtlGUIDFromString(&DestinationString, &Guid) >= 0 )
          {
            v14 = 0i64;
            if( a1 )
              v14 = *(_QWORD *)(a1 + 224);
            if( SysCtxRegOpenKey(v14, hKey, KeyName, 0, 9u, (VOID **)&v33) >= 0 )
              break;
          }
        }
        v15 = 0;
        while( 1 )
        {
          do
          {
            LODWORD(KeyNameLength) = 9;
            v16 = RegRtlEnumKey((VOID *)v33, v15++, SourceString, &KeyNameLength, a5, a6a, a7, v29);
          }
          while( v16 == -1073741789 );
          if( v16 )
            break;
          if( RtlInitUnicodeStringEx(&DestinationString, SourceString) >= 0
            && RtlUnicodeStringToInteger(&DestinationString, 0x10ui64, (UINT64 *)Value) >= 0 )
          {
            v17 = 0i64;
            if( a1 )
              v17 = *(_QWORD *)(a1 + 224);
            if( SysCtxRegOpenKey(v17, (VOID *)v33, SourceString, 0, 1u, (VOID **)&Value[4]) >= 0 )
            {
              if( a4 )
              {
                v19 = 0;
                do
                {
                  v29 = 0i64;
                  LODWORD(KeyNameLength) = 85;
                  v20 = PnpCtxRegEnumValue(
                          v18,
                          *(_HANDLE *)&Value[4],
                          v19++,
                          v42,
                          (INT64)&KeyNameLength,
                          (char *)&KeyNameLength + 4,
                          0i64);
                }
                while( v20 == -1073741789 );
                v8 = v36;
                v21 = v20 == 0;
              }
              else
              {
                LODWORD(KeyNameLength) = 0;
                v22 = RegRtlQueryValue(
                        *(VOID **)&Value[4],
                        v8,
                        (_DWORD *)&KeyNameLength + 1,
                        0i64,
                        (__int64)&KeyNameLength);
                if( !v22 )
                  goto LABEL_31;
                v21 = v22 == -1073741789;
              }
              if( v21 )
LABEL_31:
                v7 = 1;
              ZwClose(*(_HANDLE *)&Value[4]);
              v21 = v7 == 0;
              v7 = 0;
              if( !v21 )
              {
                v23 = *(unsigned int *)arg30;
                if( (unsigned int)v23 < arg28 )
                {
                  v24 = v38;
                  *(_GUID *)(v38 + 20 * v23) = Guid;
                  *(_DWORD *)(v24 + 20i64 * *(unsigned int *)arg30 + 16) = *(_DWORD *)Value;
                  LODWORD(v23) = *(_DWORD *)arg30;
                }
                *(_DWORD *)arg30 = v23 + 1;
                v7 = 0;
              }
            }
          }
        }
        ZwClose(v33);
      }
    }
  }
  return result;
}

Referenced by: