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Allow broadcast/multicast traffic to UDP sockets 

Closes: #173
Approved by: whitequark
v0.7.x
Astro 2018-03-02 23:08:54 +01:00 committed by Homu
parent cd00d63c51
commit e3e9d9d4c5
2 changed files with 7 additions and 2 deletions
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5
src/iface/ethernet.rs
View File

@ -503,6 +503,7 @@ impl<'b, 'c> InterfaceInner<'b, 'c> {
// Ignore any packets not directed to our hardware address.
if !eth_frame.dst_addr().is_broadcast() &&
!eth_frame.dst_addr().is_multicast() &&
eth_frame.dst_addr() != self.ethernet_addr {
return Ok(Packet::None)
}
@ -677,7 +678,9 @@ impl<'b, 'c> InterfaceInner<'b, 'c> {
#[cfg(feature = "socket-raw")]
let handled_by_raw_socket = self.raw_socket_filter(sockets, &ip_repr, ip_payload);
if !ipv4_repr.dst_addr.is_broadcast() && !self.has_ip_addr(ipv4_repr.dst_addr) {
if !ipv4_repr.dst_addr.is_broadcast() &&
!ipv4_repr.dst_addr.is_multicast() &&
!self.has_ip_addr(ipv4_repr.dst_addr) {
// Ignore IP packets not directed at us.
return Ok(Packet::None)
}

4
src/socket/udp.rs
View File

@ -164,7 +164,9 @@ impl<'a, 'b> UdpSocket<'a, 'b> {
pub(crate) fn accepts(&self, ip_repr: &IpRepr, repr: &UdpRepr) -> bool {
if self.endpoint.port != repr.dst_port { return false }
if !self.endpoint.addr.is_unspecified() &&
self.endpoint.addr != ip_repr.dst_addr() { return false }
self.endpoint.addr != ip_repr.dst_addr() &&
!ip_repr.dst_addr().is_broadcast() &&
!ip_repr.dst_addr().is_multicast() { return false }
true
}