CmDeleteDeviceRegKeyWorker

__int64 __fastcall CmDeleteDeviceRegKeyWorker(__int64 a1, const wchar_t *a2, int a3, int a4, char a5){
  const wchar_t *v8; 
  int v9; 
  wchar_t *PoolWithTag; 
  unsigned __int64 v11; 
  int v12; 
  int inited; 
  const WCHAR *v14; 
  _QWORD *v15; 
  unsigned __int16 Length; 
  char *v18; 
  int v19; 
  __int64 v20; 
  __int64 v21; 
  char *v22; 
  int v23; 
  WCHAR *v24; 
  WCHAR *v25; 
  __int64 v26; 
  __int64 v27; 
  int *p_DestinationString; 
  unsigned int v29; 
  int v30; 
  __int64 v31; 
  __int64 v32; 
  __int64 v33; 
  __int64 v34; 
  size_t v35; 
  __int64 v36; 
  char *v37; 
  const wchar_t *v38; 
  HANDLE v39; 
  HANDLE Handle; 
  struct _UNICODE_STRING DestinationString; 
  v38 = a2;
  LODWORD(v36) = 0;
  v37 = 0i64;
  v39 = 0i64;
  v8 = a2;
  Handle = 0i64;
  v9 = 4;
  PoolWithTag = 0i64;
  DestinationString = 0i64;
  if( !a3 || (a3 & 0xFFFFFCE8) != 0 )
    goto LABEL_85;
  LODWORD(v11) = (a3 & 0x200) != 0 ? 360 : 240;
  PoolWithTag = (wchar_t *)ExAllocatePoolWithTag(PagedPool, (unsigned int)v11, 0x52504E50ui64);
  if( PoolWithTag )
  {
    while( 1 )
    {
      LODWORD(v35) = (unsigned int)v11 >> 1;
      CmGetDeviceRegKeyPath(a1, v8, a3, a4, 0, PoolWithTag, v35, (__int64)&v36);
      inited = v12;
      if( v12 != -1073741789 )
        break;
      ExFreePoolWithTag(PoolWithTag, 0);
      PoolWithTag = 0i64;
      v11 = 2i64 * (unsigned int)v36;
      if( v11 > 0xFFFFFFFF )
      {
        inited = -1073741675;
        goto LABEL_10;
      }
      PoolWithTag = (wchar_t *)ExAllocatePoolWithTag(PagedPool, (unsigned int)v11, 0x52504E50ui64);
      if( !PoolWithTag )
        goto LABEL_60;
      v8 = v38;
    }
  }
  else
  {
LABEL_60:
    inited = -1073741801;
  }
  if( inited < 0 )
    goto LABEL_10;
  if( (a3 & 0x100) == 0 )
  {
    inited = RtlInitUnicodeStringEx(&DestinationString, PoolWithTag);
    if( inited < 0 )
      goto LABEL_10;
    Length = DestinationString.Length;
    if( DestinationString.Length < (unsigned int)v11
      && DestinationString.Length > 0x32u
      && (unsigned __int8)RtlPrefixUnicodeString(
                            (PVOID)&`_CmDeleteDeviceContainerRegKeyWorker'::`2'::ObjectPathRootPrefix,
                            (INT64 *)&DestinationString) )
    {
      v14 = PoolWithTag + 25;
      DestinationString.MaximumLength -= 50;
      DestinationString.Buffer = PoolWithTag + 25;
      DestinationString.Length = Length - 50;
      if( (unsigned __int8)RtlPrefixUnicodeString(
                              (PVOID)&`_CmDeleteDeviceRegKeyWorker'::`2'::EnumKeyPrefix,
                              (INT64 *)&DestinationString) )
      {
        v9 = 5;
        v14 = PoolWithTag + 30;
      }
      else if( (unsigned __int8)RtlPrefixUnicodeString(
                                   (PVOID)&`_CmDeleteDeviceInterfaceRegKeyWorker'::`2'::HardwareProfilesKeyPrefix,
                                   (INT64 *)&DestinationString) )
      {
        v9 = 14;
        v14 = PoolWithTag + 43;
      }
      inited = PnpCtxGetCachedContextBaseKey(a1, v9, (__int64 *)&v37);
      if( inited < 0 )
        goto LABEL_10;
      v18 = v37;
      goto LABEL_26;
    }
LABEL_85:
    inited = -1073741811;
    goto LABEL_10;
  }
  v14 = PoolWithTag;
  v15 = 0i64;
  if( a1 )
    v15 = *(_QWORD **)(a1 + 224);
  inited = SysCtxRegOpenCurrentUserKey(v15, 0, 0x2000000u, &v39);
  if( inited < 0 )
    goto LABEL_10;
  v18 = (char *)v39;
LABEL_26:
  v37 = v18;
  inited = CmOpenDeviceRegKey(a1, v38, 16, 0, 1, 0, (__int64)&Handle, 0i64);
  if( inited < 0 )
    goto LABEL_10;
  v19 = (unsigned __int8)a3;
  LODWORD(v36) = (unsigned __int8)a3;
  if( (unsigned __int8)a3 == 18 && (a3 & 0xF00) == 0 )
  {
    *(_DWORD *)&DestinationString.Length = 786;
    p_DestinationString = (int *)&DestinationString;
    *(_DWORD *)(&DestinationString.MaximumLength + 1) = 530;
    v29 = 0;
    LODWORD(DestinationString.Buffer) = 274;
    while( 1 )
    {
      v30 = CmDeleteDeviceRegKey(a1, v38, *p_DestinationString, 0);
      if( v30 )
      {
        if( v30 != -1073741637 && v30 != -1073741772 && v30 != -1073741811 )
          break;
      }
      ++v29;
      ++p_DestinationString;
      if( v29 >= 3 )
        goto LABEL_51;
    }
    inited = v30;
LABEL_51:
    if( inited < 0 )
      goto LABEL_10;
    CmDeleteDeviceMappedPropertyForAllDriverKeyRegValues(a1, (__int64)v38);
    v23 = CmSetDeviceRegProp(a1, v38, 0i64, 0xAu, 1u, 0i64, 0, 0);
    if( v23 && v23 != -1073741275 && v23 != -1073741810 )
      goto LABEL_36;
    v19 = v36;
  }
  if( a5 )
  {
    if( a1 && (v20 = *(_QWORD *)(a1 + 224)) != 0 )
      v21 = *(_QWORD *)(v20 + 8);
    else
      v21 = 0i64;
    v22 = v37;
    v23 = RegRtlDeleteTreeInternal(v37, v14, v21, 0);
  }
  else
  {
    if( a1 && (v31 = *(_QWORD *)(a1 + 224)) != 0 )
      v32 = *(_QWORD *)(v31 + 8);
    else
      v32 = 0i64;
    v22 = v37;
    v23 = RegRtlDeleteKeyTransacted(v37, v14, v32);
  }
  if( v23 != -1073741444 )
  {
    if( v23 < 0 )
      goto LABEL_36;
    if( v19 != 18 && (v19 != 17 || (a3 & 0xF00) != 0) )
    {
      v24 = wcsrchr(v14, 0x5Cu);
      if( !v24 || (*v24 = 0, (v25 = wcsrchr(v14, 0x5Cu)) == 0i64) )
      {
        inited = -1073741595;
        goto LABEL_10;
      }
      if( a1 && (v26 = *(_QWORD *)(a1 + 224)) != 0 )
        v27 = *(_QWORD *)(v26 + 8);
      else
        v27 = 0i64;
      v23 = RegRtlDeleteKeyTransacted(v22, v14, v27);
      if( v23 != -1073741535 )
      {
        if( v23 < 0
          || ((*v25 = 0, !a1) || (v33 = *(_QWORD *)(a1 + 224)) == 0 ? (v34 = 0i64) : (v34 = *(_QWORD *)(v33 + 8)),
              (v23 = RegRtlDeleteKeyTransacted(v22, v14, v34), (int)(v23 + 0x80000000) >= 0) && v23 != -1073741535) )
        {
LABEL_36:
          inited = v23;
        }
      }
    }
  }
LABEL_10:
  if( Handle )
    ZwClose(Handle);
  if( v39 )
    ZwClose(v39);
  if( PoolWithTag )
    ExFreePoolWithTag(PoolWithTag, 0);
  return(unsigned int)inited;
}

Referenced by: