diff options
Diffstat (limited to 'src/libnm-systemd-core/src/libsystemd-network/dhcp-network.c')
| -rw-r--r-- | src/libnm-systemd-core/src/libsystemd-network/dhcp-network.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/libnm-systemd-core/src/libsystemd-network/dhcp-network.c b/src/libnm-systemd-core/src/libsystemd-network/dhcp-network.c index 656482bf83..85059102b1 100644 --- a/src/libnm-systemd-core/src/libsystemd-network/dhcp-network.c +++ b/src/libnm-systemd-core/src/libsystemd-network/dhcp-network.c @@ -186,15 +186,18 @@ int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port, int return r; } - if (address == INADDR_ANY) { - r = setsockopt_int(s, IPPROTO_IP, IP_PKTINFO, true); - if (r < 0) - return r; - + if (port == DHCP_PORT_SERVER) { r = setsockopt_int(s, SOL_SOCKET, SO_BROADCAST, true); if (r < 0) return r; - + if (address == INADDR_ANY) { + /* IP_PKTINFO filter should not be applied when packets are + allowed to enter/leave through the interface other than + DHCP server sits on(BindToInterface option). */ + r = setsockopt_int(s, IPPROTO_IP, IP_PKTINFO, true); + if (r < 0) + return r; + } } else { r = setsockopt_int(s, IPPROTO_IP, IP_FREEBIND, true); if (r < 0) |