preferences/mail/DNSQuery.cpp

311 	dns_header header;
312 	_SetMXHeader(&header);
313 	_AppendQueryHeader(buffer, &header);
398 DNSQuery::_SetMXHeader(dns_header* header)
400 	header->id = _GetUniqueID();
401 	header->qr = 0;      //This is a query
402 	header->opcode = 0;  //This is a standard query
403 	header->aa = 0;      //Not Authoritative
404 	header->tc = 0;      //This message is not truncated
405 	header->rd = 1;      //Recursion Desired
406 	header->ra = 0;      //Recursion not available! hey we dont have it (lol)
407 	header->z  = 0;
408 	header->rcode = 0;
409 	header->q_count = 1;   //we have only 1 question
410 	header->ans_count  = 0;
411 	header->auth_count = 0;
412 	header->add_count  = 0;
417 DNSQuery::_AppendQueryHeader(BRawNetBuffer& buffer, const dns_header* header)
419 	buffer.AppendUint16(header->id);
421 	data |= header->rcode;
422 	data |= header->z << 4;
423 	data |= header->ra << 7;
424 	data |= header->rd << 8;
425 	data |= header->tc << 9;
426 	data |= header->aa << 10;
427 	data |= header->opcode << 11;
428 	data |= header->qr << 15;
430 	buffer.AppendUint16(header->q_count);
431 	buffer.AppendUint16(header->ans_count);
432 	buffer.AppendUint16(header->auth_count);
433 	buffer.AppendUint16(header->add_count);
438 DNSQuery::_ReadQueryHeader(BRawNetBuffer& buffer, dns_header* header)
440 	buffer.ReadUint16(header->id);
443 	header->rcode = data & 0x0F;
444 	header->z = (data >> 4) & 0x07;
445 	header->ra = (data >> 7) & 0x01;
446 	header->rd = (data >> 8) & 0x01;
447 	header->tc = (data >> 9) & 0x01;
448 	header->aa = (data >> 10) & 0x01;
449 	header->opcode = (data >> 11) & 0x0F;
450 	header->qr = (data >> 15) & 0x01;
451 	buffer.ReadUint16(header->q_count);
452 	buffer.ReadUint16(header->ans_count);
453 	buffer.ReadUint16(header->auth_count);
454 	buffer.ReadUint16(header->add_count);