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Fix dropping of broadcast packets in some situations.

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...by which I mean make it drop the packets depending on the socket options of
the receiving socket.
This commit is contained in:
Daniel Collins 2014-04-23 22:33:02 +01:00
parent 4694ce8850
commit 098cb76ff4
1 changed files with 20 additions and 0 deletions
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20
src/router.c
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@ -243,6 +243,26 @@ static void _deliver_packet(
continue; continue;
} }
if((dest_net == BCAST_NET || dest_node == BCAST_NODE)
&& !(sock->flags & IPX_RECV_BCAST))
{
/* Packet destination address includes a broadcast part
* and this socket has explicitly disabled reception of
* broadcasts.
*/
continue;
}
if((dest_net == BCAST_NET || dest_node == BCAST_NODE)
&& (main_config.w95_bug && !(sock->flags & IPX_BROADCAST)))
{
/* Packet destination address includes a broadcast part,
* socket has not enabled the SO_BROADCAST option and
* the Windows 95 SO_BROADCAST bug is being emulated.
*/
continue;
}
if((sock->flags & IPX_CONNECTED) if((sock->flags & IPX_CONNECTED)
&& (src_net != addr32_in(sock->remote_addr.sa_netnum) && (src_net != addr32_in(sock->remote_addr.sa_netnum)
|| src_node != addr48_in(sock->remote_addr.sa_nodenum) || src_node != addr48_in(sock->remote_addr.sa_nodenum)