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Traversal of interface list to weed out bad interfaces was broken when I added the dummy interface list - fix is to save the next pointer before weeding out interfaces.

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Ted Lemon
1997-03-06 07:06:08 +00:00
parent ee1cd2caa9
commit c800b2aa41
1 changed files with 4 additions and 3 deletions
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7
common/dispatch.c
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@@ -42,7 +42,7 @@
#ifndef lint #ifndef lint
static char copyright[] = static char copyright[] =
"$Id: dispatch.c,v 1.36 1997/03/06 06:52:30 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n"; "$Id: dispatch.c,v 1.37 1997/03/06 07:06:08 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */ #endif /* not lint */
#include "dhcpd.h" #include "dhcpd.h"
@@ -68,7 +68,7 @@ void discover_interfaces (state)
int state; int state;
{ {
struct interface_info *tmp; struct interface_info *tmp;
struct interface_info *last; struct interface_info *last, *next;
char buf [8192]; char buf [8192];
struct ifconf ic; struct ifconf ic;
struct ifreq ifr; struct ifreq ifr;
@@ -292,7 +292,8 @@ void discover_interfaces (state)
/* Weed out the interfaces that did not have IP addresses. */ /* Weed out the interfaces that did not have IP addresses. */
last = (struct interface_info *)0; last = (struct interface_info *)0;
for (tmp = interfaces; tmp; tmp = tmp -> next) { for (tmp = interfaces; tmp; tmp = next) {
next = tmp -> next;
if (!tmp -> ifp || !(tmp -> flags & INTERFACE_REQUESTED)) { if (!tmp -> ifp || !(tmp -> flags & INTERFACE_REQUESTED)) {
if ((tmp -> flags & INTERFACE_REQUESTED) != ir) if ((tmp -> flags & INTERFACE_REQUESTED) != ir)
error ("%s: not found", tmp -> name); error ("%s: not found", tmp -> name);