RtlpCreateServerAcl

INT64 __fastcall RtlpCreateServerAcl(
        _ACL *Acl,
        UINT8 AclUntrusted,
        VOID *ServerSid,
        _ACL **ServerAcl,
        UINT8 *ServerAclAllocated){
  UINT16 v7; 
  UINT8 *v9; 
  _ACL *v10; 
  unsigned int AceCount; 
  UINT16 v12; 
  unsigned int v13; 
  _ACL *v14; 
  INT64 result; 
  UINT16 v16; 
  UINT16 v17; 
  __int64 v18; 
  __int64 v19; 
  __int64 v20; 
  _ACL *PoolWithTag; 
  _ACL *v22; 
  unsigned int v23; 
  unsigned int v24; 
  UINT8 *v25; 
  UINT8 *v26; 
  UINT8 AclRevision; 
  __int64 AclSize; 
  UINT8 *v29; 
  UINT8 *v30; 
  UINT8 *v31; 
  UINT8 *v32; 
  __int16 v33; 
  _ACL *pusResult; 
  void *Src; 
  Src = ServerSid;
  LOWORD(pusResult) = 8;
  v7 = 8;
  if( !Acl )
  {
    v9 = ServerAclAllocated;
    *ServerAcl = 0i64;
    *v9 = 0;
    return 0i64;
  }
  v10 = Acl + 1;
  AceCount = Acl->AceCount;
  v12 = 4 * (*((unsigned __int8 *)ServerSid + 1) + 2);
  v13 = 0;
  v14 = Acl + 1;
  if( Acl->AceCount )
  {
    while( v14->AclRevision )
    {
      if( AclUntrusted && v14->AclRevision == 4 )
      {
        v18 = (unsigned __int16)(4 * HIBYTE(v14[1].AceCount));
        if( (unsigned __int16)(v18 + 8) <= v12 )
          v17 = v12 - v18 - 8;
        else
          v17 = v18 + 8 - v12;
        v16 = v7;
LABEL_13:
        LODWORD(result) = RtlUShortAdd(v16, v17, (UINT16 *)&pusResult);
        if( (int)result < 0 )
          return result;
        v7 = (unsigned __int16)pusResult;
      }
      LODWORD(result) = RtlUShortAdd(v7, v14->AclSize, (UINT16 *)&pusResult);
      if( (int)result < 0 )
        return result;
      v7 = (unsigned __int16)pusResult;
      ++v13;
      v14 = (_ACL *)(v20 + v19);
      if( v13 >= AceCount )
        goto LABEL_17;
    }
    LODWORD(result) = RtlUShortAdd(v7, v12, (UINT16 *)&pusResult);
    if( (int)result < 0 )
      return result;
    v16 = (unsigned __int16)pusResult;
    v17 = 4;
    goto LABEL_13;
  }
LABEL_17:
  PoolWithTag = (_ACL *)ExAllocatePoolWithTag(PagedPool, v7, 0x63416553ui64);
  *ServerAcl = PoolWithTag;
  if( !PoolWithTag )
    return 3221225626i64;
  *ServerAclAllocated = 1;
  RtlCreateAcl(PoolWithTag, v7, 3u);
  v22 = *ServerAcl;
  v23 = 0;
  LOWORD(v24) = Acl->AceCount;
  pusResult = v22;
  v25 = (UINT8 *)&v22[1];
  if( (_WORD)v24 )
  {
    v26 = (UINT8 *)Src;
    do
    {
      AclRevision = v10->AclRevision;
      if( !v10->AclRevision || AclUntrusted && AclRevision == 4 )
      {
        v29 = v25;
        if( AclRevision )
          v30 = (UINT8 *)&v10[1].AceCount + (unsigned int)RtlLengthSid(&v10[1].AceCount);
        else
          v30 = (UINT8 *)&v10[1];
        *(_ACL *)v25 = *v10;
        v31 = v25 + 12;
        memmove(v31, v26, 4i64 * v26[1] + 8);
        v32 = &v31[(unsigned __int8)(4 * (v26[1] + 2))];
        memmove(v32, v30, 4i64 * v30[1] + 8);
        AclSize = v30[1];
        v33 = v26[1];
        *v29 = 4;
        *((_WORD *)v29 + 1) = 4 * (AclSize + v33 + 7);
        *((_WORD *)v29 + 4) = 1;
        v25 = &v32[4 * AclSize + 8];
        LOWORD(AclSize) = v10->AclSize;
      }
      else
      {
        memmove(v25, (UINT8 *)v10, v10->AclSize);
        AclSize = v10->AclSize;
        v25 += AclSize;
      }
      ++v23;
      v10 = (_ACL *)((char *)v10 + (unsigned __int16)AclSize);
      v24 = Acl->AceCount;
    }
    while( v23 < v24 );
    v22 = pusResult;
  }
  v22->AceCount = v24;
  return 0i64;
}

Referenced by: