DrvDbSetDeviceIdDriverInfMatches

NTSTATUS __stdcall DrvDbSetDeviceIdDriverInfMatches(VOID *ObjectBaseKey, WCHAR *DriverInfMatches){
  __int64 v2; 
  WCHAR *v3; 
  int inited; 
  size_t v6; 
  WORD *v7; 
  WORD *v8; 
  __int64 v9; 
  size_t v10; 
  __int64 v11; 
  VOID **PoolWithTag; 
  ULONG v13; 
  NTSTATUS v14; 
  const WCHAR *v15; 
  __int64 v16; 
  __int64 v17; 
  WCHAR v18; 
  __int64 v20; 
  unsigned int v21; 
  _DRVDB_DRIVER_INF_MATCH_DATA *p_DriverInfMatchData; 
  int v23; 
  _OBJECT_TYPE *v24; 
  unsigned int v25; 
  ULONG v26; 
  _OBJECT_TYPE *v27; 
  int v28; 
  UINT64 v29; 
  _DRVDB_DRIVER_INF_MATCH_DATA DriverInfMatchData; 
  int v31; 
  size_t v32; 
  int v33; 
  _UNICODE_STRING DestinationString; 
  size_t MaxCount; 
  int v36; 
  VOID *KeyHandle; 
  WCHAR *v38; 
  unsigned int v39; 

  v38 = (WCHAR *)v2;
  KeyHandle = DriverInfMatches;
  v36 = HIDWORD(ObjectBaseKey);
  v3 = (WCHAR *)v2;
  v39 = 0;
  MaxCount = 0;
  v31 = 0;
  DriverInfMatchData = 0;
  v33 = PnpCtxRegQueryInfoKey((__int64)ObjectBaseKey, DriverInfMatches, 0i64, 0i64, &v39, &MaxCount, 0i64);
  inited = v33;
  if( v33 >= 0 )
  {
    v6 = MaxCount + 1;
    v32 = MaxCount + 1;
    if( v3 )
    {
      v7 = v3;
      if( *v3 )
      {
        do
        {
          v8 = wcschr(v7, 92);
          if( v8 )
          {
            v9 = v8 - v7;
          }
          else
          {
            v9 = -1i64;
            do
              ++v9;
            while( v7[v9] );
          }
          v10 = v9 + 1;
          if( v10 > v6 )
            v6 = v10;
          v11 = -1i64;
          do
            ++v11;
          while( v7[v11] );
          v7 += v11 + 1;
        }
        while( *v7 );
        inited = v33;
        v32 = v6;
      }
      PoolWithTag = ExAllocatePoolWithTag(1ui64, 2i64 * v6, 1111770192i64);
      if( PoolWithTag )
      {
        v13 = 0;
        if( v39 )
        {
          while( 1 )
          {
            MaxCount = v6;
            v14 = PnpCtxRegEnumValue(0i64, (_HANDLE)KeyHandle, v13, PoolWithTag, (INT64)&MaxCount, &v31, 0i64);
            inited = v14;
            if( v14 < 0 )
              break;
            if( v31 == 3 || !v31 )
            {
              v15 = v3;
              if( *v3 )
              {
                v16 = MaxCount;
                do
                {
                  if( !wcsncmp(v15, (const WCHAR *)PoolWithTag, v16) )
                  {
                    v18 = v15[v16];
                    if( v18 == 92 || !v18 )
                      break;
                  }
                  v17 = -1i64;
                  do
                    ++v17;
                  while( v15[v17] );
                  v15 += v17 + 1;
                }
                while( *v15 );
                v3 = v38;
                v6 = v32;
              }
              if( !*v15 )
              {
                DestinationString = 0i64;
                inited = RtlInitUnicodeStringEx(&DestinationString, (WCHAR *)PoolWithTag);
                if( inited >= 0 )
                  inited = ZwDeleteValueKey(KeyHandle, &DestinationString, v24);
                if( inited == -1073741772 )
                {
                  inited = 0;
                }
                else if( inited < 0 )
                {
                  goto LABEL_28;
                }
              }
            }
            if( ++v13 >= v39 )
              goto LABEL_27;
          }
          if( v14 == -2147483622 )
            inited = 0;
        }
LABEL_27:
        if( inited >= 0 )
        {
          while( *v3 )
          {
            inited = DrvDbSplitDeviceIdDriverInfMatch(v3, (WCHAR *)PoolWithTag, v6, &DriverInfMatchData);
            if( inited < 0 )
              break;
            if( DriverInfMatchData.Type )
            {
              v21 = 3;
              p_DriverInfMatchData = &DriverInfMatchData;
              v23 = 4;
            }
            else
            {
              v21 = 0;
              p_DriverInfMatchData = 0i64;
              v23 = 0;
            }
            LODWORD(v29) = v23;
            inited = RegRtlSetValue(KeyHandle, (const wchar_t *)PoolWithTag, v21, p_DriverInfMatchData, v29);
            if( inited < 0 )
              break;
            v20 = -1i64;
            do
              ++v20;
            while( v3[v20] );
            v3 += v20 + 1;
          }
        }
LABEL_28:
        ExFreePoolWithTag(PoolWithTag, 0);
        return inited;
      }
    }
    else
    {
      v25 = v39;
      if( !v39 )
        return 0;
      PoolWithTag = ExAllocatePoolWithTag(1ui64, 2i64 * v6, 1111770192i64);
      if( PoolWithTag )
      {
        v26 = 0;
        if( v25 )
        {
          while( 1 )
          {
            MaxCount = v6;
            inited = PnpCtxRegEnumValue(0i64, (_HANDLE)DriverInfMatches, v26, PoolWithTag, (INT64)&MaxCount, 0i64, 0i64);
            if( inited < 0 )
              break;
            DestinationString = 0i64;
            inited = RtlInitUnicodeStringEx(&DestinationString, (WCHAR *)PoolWithTag);
            if( inited >= 0 )
              inited = ZwDeleteValueKey(DriverInfMatches, &DestinationString, v27);
            if( (int)(inited + 0x80000000) < 0 || inited == -1073741772 )
            {
              v28 = 0;
              if( inited != -1073741772 )
                v28 = inited;
              ++v26;
              inited = v28;
              if( v26 < v25 )
                continue;
            }
            goto LABEL_28;
          }
          if( inited == -2147483622 )
            inited = 0;
        }
        goto LABEL_28;
      }
    }
    return -1073741801;
  }
  return inited;
}

Referenced by: