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- 'dhcp.c(3953): non-null pointer' has been repaired. This fixes a flaw

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wherein the DHCPv4 server may use seemingly random source addresses.
  [ISC-Bugs #16897]
This commit is contained in:
David Hankins 2007-05-21 22:09:07 +00:00
parent d6614ea2ee
commit e889ded168
2 changed files with 12 additions and 5 deletions
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6
RELNOTES
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@ -51,6 +51,12 @@ The system has only been tested on Linux, FreeBSD, and Solaris, and
may not work on other platforms. Please report any problems and may not work on other platforms. Please report any problems and
suggested fixes to <dhcp-users@isc.org>. suggested fixes to <dhcp-users@isc.org>.
Changes since 4.0.0a1
- 'dhcp.c(3953): non-null pointer' has been repaired. This fixes a flaw
wherein the DHCPv4 server may use seemingly random source addresses.
Changes since 4.0.0-20070413 Changes since 4.0.0-20070413
- Old (expired) leases are now cleaned. - Old (expired) leases are now cleaned.

11
server/dhcp.c
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@ -34,7 +34,7 @@
#ifndef lint #ifndef lint
static char copyright[] = static char copyright[] =
"$Id: dhcp.c,v 1.219 2007/05/19 19:16:26 dhankins Exp $ Copyright (c) 2004-2007 Internet Systems Consortium. All rights reserved.\n"; "$Id: dhcp.c,v 1.220 2007/05/21 22:09:07 dhankins Exp $ Copyright (c) 2004-2007 Internet Systems Consortium. All rights reserved.\n";
#endif /* not lint */ #endif /* not lint */
#include "dhcpd.h" #include "dhcpd.h"
@ -3940,11 +3940,12 @@ void
get_server_source_address(struct in_addr *from, get_server_source_address(struct in_addr *from,
struct option_state *options, struct option_state *options,
struct packet *packet) { struct packet *packet) {
int option_num; unsigned option_num;
struct option_cache *oc; struct option_cache *oc;
struct data_string d; struct data_string d;
struct in_addr *a; struct in_addr *a;
struct option *option;
memset(&d, 0, sizeof(d));
option_num = DHO_DHCP_SERVER_IDENTIFIER; option_num = DHO_DHCP_SERVER_IDENTIFIER;
oc = lookup_option(&dhcp_universe, options, option_num); oc = lookup_option(&dhcp_universe, options, option_num);