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Improve decoding

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This commit is contained in:
Baptiste Wicht 2016-09-11 15:04:55 +02:00
parent 12bf0aba4c
commit b20b689d17
2 changed files with 20 additions and 6 deletions
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24
kernel/src/net/dns_layer.cpp
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@ -57,17 +57,31 @@ void network::dns::decode(network::interface_descriptor& /*interface*/, network:
auto additional_rrs = switch_endian_16(dns_header->additional_rrs); auto additional_rrs = switch_endian_16(dns_header->additional_rrs);
logging::logf(logging::log_level::TRACE, "dns: Identification %h \n", size_t(identification)); logging::logf(logging::log_level::TRACE, "dns: Identification %h \n", size_t(identification));
logging::logf(logging::log_level::TRACE, "dns: Answers %h \n", size_t(answers)); logging::logf(logging::log_level::TRACE, "dns: Answers %u \n", size_t(answers));
logging::logf(logging::log_level::TRACE, "dns: Questions %h \n", size_t(questions)); logging::logf(logging::log_level::TRACE, "dns: Questions %u \n", size_t(questions));
logging::logf(logging::log_level::TRACE, "dns: Authorithy RRs %h \n", size_t(authority_rrs)); logging::logf(logging::log_level::TRACE, "dns: Authorithy RRs %u \n", size_t(authority_rrs));
logging::logf(logging::log_level::TRACE, "dns: Additional RRs %h \n", size_t(additional_rrs)); logging::logf(logging::log_level::TRACE, "dns: Additional RRs %u \n", size_t(additional_rrs));
auto flags = dns_header->flags; auto flags = dns_header->flags;
if(flags.qr){ if(flags.qr){
logging::logf(logging::log_level::TRACE, "dns: Query\n"); logging::logf(logging::log_level::TRACE, "dns: Query\n");
} else { } else {
logging::logf(logging::log_level::TRACE, "dns: Response\n"); auto response_code = flags.rcode;
if(response_code == 0x0){
logging::logf(logging::log_level::TRACE, "dns: Response OK\n");
} else if(response_code == 0x1){
logging::logf(logging::log_level::TRACE, "dns: Format Error\n");
} else if(response_code == 0x2){
logging::logf(logging::log_level::TRACE, "dns: Server Failure\n");
} else if(response_code == 0x3){
logging::logf(logging::log_level::TRACE, "dns: Name Error\n");
} else if(response_code == 0x4){
logging::logf(logging::log_level::TRACE, "dns: Not Implemented\n");
} else if(response_code == 0x5){
logging::logf(logging::log_level::TRACE, "dns: Refused\n");
}
} }
//TODO //TODO

2
kernel/src/net/udp_layer.cpp
View File

@ -104,7 +104,7 @@ void network::udp::decode(network::interface_descriptor& interface, network::eth
packet.index += sizeof(header); packet.index += sizeof(header);
if(target_port == 53){ if(source_port == 53){
network::dns::decode(interface, packet); network::dns::decode(interface, packet);
} }
} }