Trying to add timeouts to send and receive

This commit is contained in:
rzuasti
2026-01-13 15:48:17 -05:00
parent ca2a90d49c
commit 0738307f87
5 changed files with 426 additions and 6 deletions
Generated
+242
View File
@@ -11,6 +11,34 @@ dependencies = [
"memchr",
]
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"libc",
"windows-sys 0.61.2",
]
[[package]]
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@@ -32,12 +60,32 @@ version = "0.2.180"
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@@ -49,8 +97,38 @@ name = "oott"
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dependencies = [
"pnet",
"tokio",
]
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"cfg-if",
"libc",
"redox_syscall",
"smallvec",
"windows-link",
]
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[[package]]
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@@ -160,6 +238,15 @@ dependencies = [
"proc-macro2",
]
[[package]]
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@@ -189,6 +276,12 @@ version = "0.8.8"
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[[package]]
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@@ -218,6 +311,32 @@ dependencies = [
"syn",
]
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"libc",
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@@ -229,12 +348,46 @@ dependencies = [
"unicode-ident",
]
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"libc",
"mio",
"parking_lot",
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"signal-hook-registry",
"socket2",
"tokio-macros",
"windows-sys 0.61.2",
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@@ -256,3 +409,92 @@ name = "winapi-x86_64-pc-windows-gnu"
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+1
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@@ -5,3 +5,4 @@ edition = "2024"
[dependencies]
pnet = "0.35.0"
tokio = { version = "1.0", features = ["full"] }
+103 -4
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@@ -1,9 +1,108 @@
use crate::device_finders::Device;
use crate::device_finders::{
Device,
arp::packet_send_receive::{listen_for_packets, send_packet},
};
use pnet::{
datalink::{self, Channel, NetworkInterface},
ipnetwork::IpNetwork,
};
use tokio::task;
use tokio::time::{Duration, timeout};
pub fn find() -> Vec<Device> {
//let devices = helper_async_arp::execute_probe(&String::from("eno1"));
mod packet_send_receive;
pub async fn find(interface: &str) -> Vec<Device> {
// Get the network device to use
let network_interface: NetworkInterface = datalink::interfaces()
.iter()
.filter(|el| el.is_up())
.filter(|el| el.name == interface)
.next()
.expect("Selected interface not found")
.clone();
// Get the IPV4 network to use
let ipv4_net = network_interface
.ips
.iter()
.filter_map(|el| match el {
IpNetwork::V4(v4) => Some(*v4),
_ => None,
})
.next()
.expect("No local ip address found");
// Get the local MAC address
let mac = match network_interface.mac {
Some(mac) => mac,
None => {
panic!("No local MAC address found");
}
};
println!("Local MAC: {}", mac);
println!("Local IP: {}", ipv4_net);
// Data channel
println!("Creating data channel");
let tunnel = datalink::channel(&network_interface, datalink::Config::default())
.expect("Failed to create datalink channel");
let (sender, receiver) = match tunnel {
Channel::Ethernet(tx, rx) => (tx, rx),
_ => panic!("Unsupported data channel type"),
};
let send_interface = network_interface.clone();
println!("Starting sender");
let send_result = timeout(
Duration::from_secs(2),
send_packet(sender, send_interface, ipv4_net, mac),
)
.await;
match send_result {
Ok(_) => println!("Sender done"),
Err(_) => println!("Sender timed out"),
};
let receive_result = timeout(
Duration::from_secs(5),
listen_for_packets(receiver, ipv4_net),
)
.await;
match receive_result {
Ok(_) => println!("Receiver done"),
Err(_) => println!("Receiver timed out"),
};
// println!("Spawning receiver threads");
// let reciever_thread = thread::spawn(move || {
// listen_for_packets(receiver, ipv4_net);
// });
// println!("Spawning sender thread");
// let sender_thread = thread::spawn(move || {
// send_packet(sender, send_interface, ipv4_net, mac);
// });
// match sender_thread.join() {
// Ok(it) => println!("Sender thread done"),
// Err(err) => panic!("Error sending ARP packets"),
// };
// println!("Waiting to receive");
// thread::sleep(Duration::from_secs(10));
// println!("Done!");
let mut devices = Vec::new();
devices.push(Device {mac_address: String::from("mac"), ipv4_address: String::from("ip")});
devices.push(Device {
mac_address: String::from("mac"),
ipv4_address: String::from("ip"),
});
devices
}
// async fn test_timeout() {
// sleep(Duration::from_secs(10)).await;
// }
@@ -0,0 +1,77 @@
use pnet::datalink::{DataLinkReceiver, DataLinkSender, NetworkInterface};
use pnet::ipnetwork::Ipv4Network;
use pnet::packet::arp::{ArpHardwareTypes, ArpOperations, ArpPacket, MutableArpPacket};
use pnet::packet::ethernet::{EtherTypes, EthernetPacket, MutableEthernetPacket};
use pnet::packet::{MutablePacket, Packet};
use pnet::util::MacAddr;
pub async fn send_packet(
mut tx: Box<dyn DataLinkSender>,
interface: NetworkInterface,
sender_ip: Ipv4Network,
sender_macaddr: MacAddr,
) {
for target_ip in sender_ip.iter() {
if target_ip == sender_ip.ip() {
continue;
}
println!("Sending to {}", target_ip);
for _ in 0..1 {
//arp packet
let mut arp_buf = [0u8; 28];
let mut arp_packet = MutableArpPacket::new(&mut arp_buf).unwrap();
arp_packet.set_hardware_type(ArpHardwareTypes::Ethernet);
arp_packet.set_protocol_type(EtherTypes::Ipv4);
arp_packet.set_hw_addr_len(6);
arp_packet.set_operation(ArpOperations::Request);
arp_packet.set_proto_addr_len(4);
arp_packet.set_sender_hw_addr(sender_macaddr);
arp_packet.set_sender_proto_addr(sender_ip.ip());
arp_packet.set_target_hw_addr(MacAddr::zero());
arp_packet.set_target_proto_addr(target_ip);
//ethernet packet
let mut ethernet_buf = [0u8; 42];
let mut ethernet_packet = MutableEthernetPacket::new(&mut ethernet_buf).unwrap();
ethernet_packet.set_destination(MacAddr::broadcast());
ethernet_packet.set_source(sender_macaddr);
ethernet_packet.set_ethertype(EtherTypes::Arp);
ethernet_packet.set_payload(arp_packet.packet_mut());
tx.send_to(
&ethernet_packet.to_immutable().packet(),
Some(interface.clone()),
);
// thread::sleep(Duration::from_millis(2));
}
// thread::sleep(Duration::from_millis(2));
}
}
pub async fn listen_for_packets(mut rx: Box<dyn DataLinkReceiver>, ipv4_net: Ipv4Network) {
loop {
let arp_buffer = match rx.next() {
Ok(buffer) => buffer,
Err(_) => continue,
};
let ethernet_packet = EthernetPacket::new(arp_buffer).unwrap();
if ethernet_packet.get_ethertype() == EtherTypes::Arp {
let arp_packet = ArpPacket::new(ethernet_packet.payload()).unwrap();
if arp_packet.get_operation() == ArpOperations::Reply {
if arp_packet.get_target_proto_addr() == ipv4_net.ip() {
print!(".");
println!("Status ONLINE");
println!(
"IP addr:\t{} \nMac addr:\t{}",
arp_packet.get_sender_proto_addr(),
arp_packet.get_sender_hw_addr()
);
println!("----------------------");
}
}
}
}
}
+3 -2
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@@ -1,7 +1,8 @@
mod device_finders;
fn main() {
let devices = device_finders::arp::find();
#[tokio::main]
async fn main() {
let devices = device_finders::arp::find("eno1").await;
for device in devices.iter() {
println!("{}", device);