diff options
Diffstat (limited to 'usr.sbin/dhcpd/options.c')
| -rw-r--r-- | usr.sbin/dhcpd/options.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/usr.sbin/dhcpd/options.c b/usr.sbin/dhcpd/options.c index 126622d059f..2006f82a53f 100644 --- a/usr.sbin/dhcpd/options.c +++ b/usr.sbin/dhcpd/options.c @@ -1,4 +1,4 @@ -/* $OpenBSD: options.c,v 1.8 2006/12/15 14:09:13 stevesk Exp $ */ +/* $OpenBSD: options.c,v 1.9 2007/10/09 03:17:34 krw Exp $ */ /* DHCP options parsing and reassembly. */ @@ -224,9 +224,12 @@ cons_options(struct packet *inpacket, struct dhcp_packet *outpacket, inpacket && inpacket->options[DHO_DHCP_MAX_MESSAGE_SIZE].data && (inpacket->options[DHO_DHCP_MAX_MESSAGE_SIZE].len >= - sizeof(u_int16_t))) + sizeof(u_int16_t))) { mms = getUShort( inpacket->options[DHO_DHCP_MAX_MESSAGE_SIZE].data); + if (mms < 576) + mms = 576; /* mms must be >= minimum IP MTU */ + } if (mms) main_buffer_size = mms - DHCP_FIXED_LEN; |