diff options
| author |   yasuoka <yasuoka@openbsd.org> | 2014-07-11 09:42:27 +0000 |
|---|---|---|
| committer | yasuoka <yasuoka@openbsd.org> | 2014-07-11 09:42:27 +0000 |
| commit | 84d8c0490a01f97e4ce467a7c833d1cfccb94e06 (patch) | |
| tree | 2e35a2f0ed9b65e56f5fbf6b9ad1417af18b62dc /usr.sbin/dhcpd/options.c | |
| parent | More e_os2.h clean up. Also move the includes inside the guard. (diff) | |
| download | wireguard-openbsd-84d8c0490a01f97e4ce467a7c833d1cfccb94e06.tar.xz wireguard-openbsd-84d8c0490a01f97e4ce467a7c833d1cfccb94e06.zip | |
Add -u option to bind UDP port as a socket to answer DHCPINFORM from
the clients on non ethernet interfaces (eg. tun(4) or pppx(4)).
input krw
ok krw
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 |