Hey @wojcik91,
In addition to my last message in #18 , I tried to attribute multiple allowed ips addresses to peers, it seems like only the last one is able to display in the wg show
Here is a little test protocol I did to see it there was some trouble and here are the result and the conclusion i'm lead to :
(Still working on a debian linux 12.0.1)
Step 1 : Delete the wg0 interface
Using the command sudo ip link delete wg0 Interface successfully deleted
Step 2 : Adapt the code to test the following hypothesis : pushing multiple allowed_ips inside a peer should be working and explicitly displayed using the command sudo wg show.
I am still using the server.rs file and modified to have less peers.
use std::str::FromStr;
use defguard_wireguard_rs::{
host::Peer, key::Key, net::IpAddrMask, InterfaceConfiguration, WGApi, WireguardInterfaceApi,
};
use x25519_dalek::{EphemeralSecret, PublicKey};
fn main() -> Result<(), Box<dyn std::error::Error>> {
// Create new api object for interface
let ifname: String = if cfg!(target_os = "linux") || cfg!(target_os = "freebsd") {
"wg0".into()
} else {
"utun3".into()
};
let wgapi = WGApi::new(ifname.clone(), false)?;
// create interface
wgapi.create_interface()?;
// read current interface data
let host = wgapi.read_interface_data()?;
println!("WireGuard interface: {host:#?}");
// prepare peer configuration
let secret = EphemeralSecret::random();
let key = PublicKey::from(&secret);
let peer_key: Key = key.as_ref().try_into().unwrap();
let mut peer = Peer::new(peer_key.clone());
/* let addr = IpAddrMask::from_str("10.20.20.40/24").unwrap();
peer.allowed_ips.push(addr); */
println!("WireGuard interface: {host:#?}");
// Configure host interface
let interface_config = InterfaceConfiguration {
name: ifname.clone(),
prvkey: "AAECAwQFBgcICQoLDA0OD/Dh0sO0pZaHeGlaSzwtHg8=".to_string(),
address: "10.6.0.30".to_string(),
port: 12345,
peers: vec![peer],
};
wgapi.configure_interface(&interface_config)?;
// Create peers
for _ in 0..3 {
let secret = EphemeralSecret::random();
let key = PublicKey::from(&secret);
let mut peer = Peer::new(key.as_ref().try_into().unwrap());
let addr1 = IpAddrMask::from_str("10.20.20.40/24").unwrap();
/* let addr2 = IpAddrMask::from_str("10.20.30.40/24").unwrap(); */
peer.allowed_ips.push(addr1);
/* peer.allowed_ips.push(addr2); */
wgapi.configure_peer(&peer)?
/* wgapi.remove_peer(&peer.public_key)?; */
}
// read current interface data
let host = wgapi.read_interface_data()?;
println!("WireGuard interface: {host:#?}");
// remove interface
//wgapi.remove_interface()?;
Ok(())
}Executing this code return this :
WireGuard interface: Host {
listen_port: 37798,
private_key: None,
fwmark: Some(
0,
),
peers: {},
}
WireGuard interface: Host {
listen_port: 37798,
private_key: None,
fwmark: Some(
0,
),
peers: {},
}
WireGuard interface: Host {
listen_port: 12345,
private_key: Some(
000102030405060708090a0b0c0d0e0ff0e1d2c3b4a5968778695a4b3c2d1e4f,
),
fwmark: Some(
0,
),
peers: {
5c0ac8f3dcd46c687304447e831df6ae925fd396118ccc28ff73abc7c4b87a6e: Peer {
public_key: 5c0ac8f3dcd46c687304447e831df6ae925fd396118ccc28ff73abc7c4b87a6e,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
d5ef523d212cead7708030d21858a20ad116f77ca98cbf0551c5dda54086422c: Peer {
public_key: d5ef523d212cead7708030d21858a20ad116f77ca98cbf0551c5dda54086422c,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
c0d4f1ac5acd8476b0ab2594e144f2382a2d685a3ef19d19100ac26464aa844c: Peer {
public_key: c0d4f1ac5acd8476b0ab2594e144f2382a2d685a3ef19d19100ac26464aa844c,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
efc90328d3f018dbe6f7c371ef6659955439e5b895ca8644bc77b825b1d56212: Peer {
public_key: efc90328d3f018dbe6f7c371ef6659955439e5b895ca8644bc77b825b1d56212,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [
IpAddrMask {
ip: 10.20.20.0,
cidr: 24,
},
],
},
},
}
As you can see the allowed ips aren't filled for the previous, only for the last one.
Also with sudo wg show:
interface: wg0
public key: dk5wF6ddw4IolWSxtwhIrghD753KdQRmg0m+DwkFgDo=
private key: (hidden)
listening port: 12345
peer: 1e9SPSEs6tdwgDDSGFiiCtEW93ypjL8FUcXdpUCGQiw=
allowed ips: (none)
peer: XArI89zUbGhzBER+gx32rpJf05YRjMwo/3Orx8S4em4=
allowed ips: (none)
peer: wNTxrFrNhHawqyWU4UTyOCotaFo+8Z0ZEArCZGSqhEw=
allowed ips: (none)
peer: 78kDKNPwGNvm98Nx72ZZlVQ55biVyoZEvHe4JbHVYhI=
allowed ips: 10.20.20.0/24
Step 3 : Modifying Code blocks to test the allowed ips :
I then updated the "prepare peer configuration" to match the following :
// prepare peer configuration
let secret = EphemeralSecret::random();
let key = PublicKey::from(&secret);
let peer_key: Key = key.as_ref().try_into().unwrap();
let mut peer = Peer::new(peer_key.clone());
let addr = IpAddrMask::from_str("10.20.20.40/24").unwrap();
peer.allowed_ips.push(addr); Same result.
The only difference is now, the "allowed ip address" is on the 3rd generated peer. :
WireGuard interface: Host {
listen_port: 57736,
private_key: None,
fwmark: Some(
0,
),
peers: {},
}
WireGuard interface: Host {
listen_port: 57736,
private_key: None,
fwmark: Some(
0,
),
peers: {},
}
WireGuard interface: Host {
listen_port: 12345,
private_key: Some(
000102030405060708090a0b0c0d0e0ff0e1d2c3b4a5968778695a4b3c2d1e4f,
),
fwmark: Some(
0,
),
peers: {
82b0673da03cee60079e4b2b777d828a17044b28d2b70870215906cc6c4e0f72: Peer {
public_key: 82b0673da03cee60079e4b2b777d828a17044b28d2b70870215906cc6c4e0f72,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
e091ed6f0f3a9b870b515af94beffae7d6f82dcd7ae4416afc3d2842aa5db52d: Peer {
public_key: e091ed6f0f3a9b870b515af94beffae7d6f82dcd7ae4416afc3d2842aa5db52d,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
52a3acb08995aeb79f324377cde1c89154ce4f0cd47969ded94267ff519cf83a: Peer {
public_key: 52a3acb08995aeb79f324377cde1c89154ce4f0cd47969ded94267ff519cf83a,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [
IpAddrMask {
ip: 10.20.20.0,
cidr: 24,
},
],
},
38da9b5ff3d74e7fdf1098b7c197c4a4429bf94d1ad1858a760aeadfeb4f915f: Peer {
public_key: 38da9b5ff3d74e7fdf1098b7c197c4a4429bf94d1ad1858a760aeadfeb4f915f,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
},
}
(I still never catched why it is mandatory to have a peer that is unused, just to create the interface and initialize the vec[peer] ... It should be done another way to avoid having an empty peer...)
Step 4 : Modify the for Loop :
I modified the for loop with :
for _ in 0..3 {
let secret = EphemeralSecret::random();
let key = PublicKey::from(&secret);
let mut peer = Peer::new(key.as_ref().try_into().unwrap());
let addr1 = IpAddrMask::from_str("10.20.20.40/24").unwrap();
let addr2 = IpAddrMask::from_str("10.20.30.40/24").unwrap();
peer.allowed_ips.push(addr1);
peer.allowed_ips.push(addr2);
wgapi.configure_peer(&peer)?
/* wgapi.remove_peer(&peer.public_key)?; */
}It gives me this output :
WireGuard interface: Host {
listen_port: 36653,
private_key: None,
fwmark: Some(
0,
),
peers: {},
}
WireGuard interface: Host {
listen_port: 36653,
private_key: None,
fwmark: Some(
0,
),
peers: {},
}
WireGuard interface: Host {
listen_port: 12345,
private_key: Some(
000102030405060708090a0b0c0d0e0ff0e1d2c3b4a5968778695a4b3c2d1e4f,
),
fwmark: Some(
0,
),
peers: {
ea1b9b3ed9d23f9fb3bff998af3e81b905ec880588666fbbae6535d1f2b17a58: Peer {
public_key: ea1b9b3ed9d23f9fb3bff998af3e81b905ec880588666fbbae6535d1f2b17a58,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
181665df12282198a39e4029e312368f93df0fb2cbec69335cafe2b89ed9e744: Peer {
public_key: 181665df12282198a39e4029e312368f93df0fb2cbec69335cafe2b89ed9e744,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
ffe797105a2e9e5d48a9912e9bad7aec00fa5c6e4fdc57ad2952e461618cd172: Peer {
public_key: ffe797105a2e9e5d48a9912e9bad7aec00fa5c6e4fdc57ad2952e461618cd172,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [
IpAddrMask {
ip: 10.20.20.0,
cidr: 24,
},
IpAddrMask {
ip: 10.20.30.0,
cidr: 24,
},
],
},
112bce748e8f559dfbfb216e49b015ff0470fda514bb0ad40d39db68bdd5b866: Peer {
public_key: 112bce748e8f559dfbfb216e49b015ff0470fda514bb0ad40d39db68bdd5b866,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
},
}
And with the sudo wg show :
interface: wg0
public key: dk5wF6ddw4IolWSxtwhIrghD753KdQRmg0m+DwkFgDo=
private key: (hidden)
listening port: 12345
peer: ESvOdI6PVZ37+yFuSbAV/wRw/aUUuwrUDTnbaL3VuGY=
allowed ips: (none)
peer: GBZl3xIoIZijnkAp4xI2j5PfD7LL7GkzXK/iuJ7Z50Q=
allowed ips: (none)
peer: 6hubPtnSP5+zv/mYrz6BuQXsiAWIZm+7rmU10fKxelg=
allowed ips: (none)
peer: /+eXEFounl1IqZEum6167AD6XG5P3FetKVLkYWGM0XI=
allowed ips: 10.20.20.0/24, 10.20.30.0/24
As you can see, the last one is correctly filled (not the last one, but actually the 3rd generated which I don't know why this order in the peer vector.
And what is somewhat very shocking, is that I added at the end of the for loop a line to print the peers :
for _ in 0..3 {
let secret = EphemeralSecret::random();
let key = PublicKey::from(&secret);
let mut peer = Peer::new(key.as_ref().try_into().unwrap());
let addr1 = IpAddrMask::from_str("10.20.20.40/24").unwrap();
let addr2 = IpAddrMask::from_str("10.20.30.40/24").unwrap();
peer.allowed_ips.push(addr1);
peer.allowed_ips.push(addr2);
wgapi.configure_peer(&peer)?;
println!("{:?}", peer)
/* wgapi.remove_peer(&peer.public_key)?; */
}And the output of that is :
Peer { public_key: e7869bc726a2193df5432e2d4b77209c2e780b6815935a41e7bf6193dd66302c, preshared_key: None, protocol_version: None, endpoint: None, last_handshake: None, tx_bytes: 0, rx_bytes: 0, persistent_keepalive_interval: None, allowed_ips: [IpAddrMask { ip: 10.20.20.40, cidr: 24 }, IpAddrMask { ip: 10.20.30.40, cidr: 24 }] }
Peer { public_key: 72c6279b5f0079071c2fd54f1b02e275504a341ecb8396439b1fa450256d1b1f, preshared_key: None, protocol_version: None, endpoint: None, last_handshake: None, tx_bytes: 0, rx_bytes: 0, persistent_keepalive_interval: None, allowed_ips: [IpAddrMask { ip: 10.20.20.40, cidr: 24 }, IpAddrMask { ip: 10.20.30.40, cidr: 24 }] }
Peer { public_key: e26a6c4fa4f93f7c502a2eb9e97588741fb65a4b566faa495b2c2d4318885b7d, preshared_key: None, protocol_version: None, endpoint: None, last_handshake: None, tx_bytes: 0, rx_bytes: 0, persistent_keepalive_interval: None, allowed_ips: [IpAddrMask { ip: 10.20.20.40, cidr: 24 }, IpAddrMask { ip: 10.20.30.40, cidr: 24 }] }
Which means that both ip addresses are correctly inside the peer, but they don't appear inside the host.
Because the host still gives this output :
WireGuard interface: Host {
listen_port: 12345,
private_key: Some(
000102030405060708090a0b0c0d0e0ff0e1d2c3b4a5968778695a4b3c2d1e4f,
),
fwmark: Some(
0,
),
peers: {
857d93bf1e2c5005294d7d22120dfaf03d931044351b68f810f2616b0c14917c: Peer {
public_key: 857d93bf1e2c5005294d7d22120dfaf03d931044351b68f810f2616b0c14917c,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
72c6279b5f0079071c2fd54f1b02e275504a341ecb8396439b1fa450256d1b1f: Peer {
public_key: 72c6279b5f0079071c2fd54f1b02e275504a341ecb8396439b1fa450256d1b1f,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
e7869bc726a2193df5432e2d4b77209c2e780b6815935a41e7bf6193dd66302c: Peer {
public_key: e7869bc726a2193df5432e2d4b77209c2e780b6815935a41e7bf6193dd66302c,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [],
},
e26a6c4fa4f93f7c502a2eb9e97588741fb65a4b566faa495b2c2d4318885b7d: Peer {
public_key: e26a6c4fa4f93f7c502a2eb9e97588741fb65a4b566faa495b2c2d4318885b7d,
preshared_key: Some(
0000000000000000000000000000000000000000000000000000000000000000,
),
protocol_version: None,
endpoint: None,
last_handshake: Some(
SystemTime {
tv_sec: 0,
tv_nsec: 0,
},
),
tx_bytes: 0,
rx_bytes: 0,
persistent_keepalive_interval: Some(
0,
),
allowed_ips: [
IpAddrMask {
ip: 10.20.20.0,
cidr: 24,
},
IpAddrMask {
ip: 10.20.30.0,
cidr: 24,
},
],
},
},
}
Am I missing something in this regard ?
Best,
Ange
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