clerie/dhcpv6stateless
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base: clerie:36a5fe61cc9dd91b8fda0ad96672064356ee02c5
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compare: clerie:1ea4715b59723cb077357249c02ffaa504b1f3ed
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clerie:main

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36a5fe61cc ... 1ea4715b59

1 changed files with 8 additions and 31 deletions
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src/main.rs
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@ -92,43 +92,20 @@ async fn main() -> Result<()>{
sock.send_to(&msg_buf, remote_addr).await sock.send_to(&msg_buf, remote_addr).await
.context("Failed to send DHCPv6 INFORMATION-REQUEST message")?; .context("Failed to send DHCPv6 INFORMATION-REQUEST message")?;
let response_msg = loop { loop {
let mut recv_buf = [0; 1024]; let mut recv_buf = [0; 1024];
let (recv_len, recv_addr) = sock.recv_from(&mut recv_buf).await let (len, recv_addr) = sock.recv_from(&mut recv_buf).await
.context("Failed to receive DHCPv6 response")?; .context("Failed to receive DHCPv6 response")?;
if log_enabled!(Level::Debug) {
debug!("{:?} bytes received from {:?}", recv_len, recv_addr);
debug!("Received packet: {}", hex::encode(&recv_buf[..recv_len]));
}
let recv_msg = Message::decode(&mut Decoder::new(&recv_buf)) let recv_msg = Message::decode(&mut Decoder::new(&recv_buf))
.context("Unable to parse DHCPv6 response message")?; .context("Unable to parse DHCPv6 response message")?;
if log_enabled!(Level::Debug) {
debug!("Packet contains transaction id: 0x{}", hex::encode(&msg.xid()));
}
if recv_msg.xid() == msg.xid() { if recv_msg.xid() == msg.xid() {
info!("Found reponse with matching transaction id"); info!("{:?} bytes received from {:?}", len, recv_addr);
break recv_msg; if log_enabled!(Level::Debug) {
debug!("Received packet: {}", hex::encode(&recv_buf[..len]));
} }
}; println!("{}", &recv_msg);
break;
if let Some(DhcpOption::ServerId(server_id)) = &response_msg.opts().get(OptionCode::ServerId) {
println!("server_id: {}", hex::encode(&server_id));
}
if let Some(DhcpOption::DomainNameServers(domain_name_servers)) = &response_msg.opts().get(OptionCode::DomainNameServers) {
println!("domain_name_servers:");
for domain_name_server in domain_name_servers {
println!(" - {}", domain_name_server);
}
}
if let Some(DhcpOption::DomainSearchList(domain_search_list)) = &response_msg.opts().get(OptionCode::DomainSearchList) {
println!("domain_search_list:");
for search_domain_name in domain_search_list {
println!(" - {}", search_domain_name);
} }
} }