diff options
Diffstat (limited to 'usr.sbin/dhcpd/options.c')
| -rw-r--r-- | usr.sbin/dhcpd/options.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/usr.sbin/dhcpd/options.c b/usr.sbin/dhcpd/options.c index a42c688e466..91f6395425b 100644 --- a/usr.sbin/dhcpd/options.c +++ b/usr.sbin/dhcpd/options.c @@ -1,4 +1,4 @@ -/* $OpenBSD: options.c,v 1.26 2010/01/02 04:21:16 krw Exp $ */ +/* $OpenBSD: options.c,v 1.27 2014/07/11 09:42:27 yasuoka Exp $ */ /* DHCP options parsing and reassembly. */ @@ -509,6 +509,14 @@ do_packet(struct interface_info *interface, struct dhcp_packet *packet, if (tp.options_valid && tp.options[DHO_DHCP_MESSAGE_TYPE].data) tp.packet_type = tp.options[DHO_DHCP_MESSAGE_TYPE].data[0]; + + if (interface->is_udpsock) { + if (tp.packet_type != DHCPINFORM) { + note("Unable to handle a DHCP message type=%d on UDP " + "socket", tp.packet_type); + return; + } + } if (tp.packet_type) dhcp(&tp); else |