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- Don't call option_allocate without zeroing pointer.

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- Fix two chaddr uses that hadn't been made current.
This commit is contained in:
Ted Lemon 2000-03-06 23:33:52 +00:00
parent 20b312c47d
commit 4d0aaa1776
1 changed files with 8 additions and 4 deletions
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12
server/dhcp.c
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@ -22,7 +22,7 @@
#ifndef lint
static char copyright[] =
"$Id: dhcp.c,v 1.139 2000/02/07 18:58:03 mellon Exp $ Copyright (c) 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium. All rights reserved.\n";
"$Id: dhcp.c,v 1.140 2000/03/06 23:33:52 mellon Exp $ Copyright (c) 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
@ -1749,6 +1749,7 @@ void ack_lease (packet, lease, offer, when, msg, ms_nulltp)
mask has been provided. */
i = DHO_SUBNET_MASK;
if (!lookup_option (&dhcp_universe, state -> options, i)) {
oc = (struct option_cache *)0;
if (option_cache_allocate (&oc, MDL)) {
if (make_const_data (&oc -> expression,
lease -> subnet -> netmask.iabuf,
@ -2184,6 +2185,7 @@ struct lease *find_lease (packet, share, ours)
int have_client_identifier = 0;
struct data_string client_identifier;
int status;
struct hardware h;
/* Look up the requested address. */
oc = lookup_option (&dhcp_universe, packet -> options,
@ -2323,8 +2325,10 @@ struct lease *find_lease (packet, share, ours)
/* Find a lease whose hardware address matches, whose client
identifier matches, that's permitted, and that's on the
correct subnet. */
hw_lease = find_lease_by_hw_addr (packet -> raw -> chaddr,
packet -> raw -> hlen);
h.hlen = packet -> raw -> hlen + 1;
h.hbuf [0] = packet -> raw -> htype;
memcpy (&h.hbuf [1], packet -> raw -> chaddr, packet -> raw -> hlen);
hw_lease = find_lease_by_hw_addr (h.hbuf, h.hlen);
for (; hw_lease; hw_lease = next) {
#if defined (DEBUG_FIND_LEASE)
log_info ("trying next lease matching hw addr: %s",
@ -2420,7 +2424,7 @@ struct lease *find_lease (packet, share, ours)
(!ip_lease -> uid &&
(ip_lease -> hardware_addr.hbuf [0] != packet -> raw -> htype ||
ip_lease -> hardware_addr.hlen != packet -> raw -> hlen + 1 ||
memcmp (&ip_lease -> hardware_addr.hbuf,
memcmp (&ip_lease -> hardware_addr.hbuf [1],
packet -> raw -> chaddr,
(unsigned)(ip_lease -> hardware_addr.hlen - 1)))))) {
#if defined (DEBUG_FIND_LEASE)