From: Ted Lemon <source@isc.org>
Date: Mon, 2 Sep 1996 21:15:17 +0000 (+0000)
Subject: Don't attach to unconfigured interfaces
X-Git-Tag: BETA_5_6~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=edba1c3639e2091524ef3a8b46928f475ccacee5;p=thirdparty%2Fdhcp.git

Don't attach to unconfigured interfaces
---

diff --git a/common/dispatch.c b/common/dispatch.c
index 92546947a..f2803c336 100644
--- a/common/dispatch.c
+++ b/common/dispatch.c
@@ -42,7 +42,7 @@
 
 #ifndef lint
 static char copyright[] =
-"$Id: dispatch.c,v 1.21 1996/08/30 23:41:07 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
+"$Id: dispatch.c,v 1.22 1996/09/02 21:15:17 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
 #endif /* not lint */
 
 #include "dhcpd.h"
@@ -120,12 +120,12 @@ void discover_interfaces ()
 			error ("Can't get interface flags for %s: %m",
 			       ifr.ifr_name);
 
-		/* Skip loopback and point-to-point interfaces. */
+		/* Skip loopback, point-to-point and down interfaces. */
 		if ((ifr.ifr_flags & IFF_LOOPBACK) ||
-		    (ifr.ifr_flags & IFF_POINTOPOINT))
+		    (ifr.ifr_flags & IFF_POINTOPOINT) ||
+		    !(ifr.ifr_flags & IFF_UP))
 			continue;
 		
-
 		/* See if we've seen an interface that matches this one. */
 		for (tmp = interfaces; tmp; tmp = tmp -> next)
 			if (!strcmp (tmp -> name, ifp -> ifr_name))
diff --git a/dispatch.c b/dispatch.c
index 92546947a..f2803c336 100644
--- a/dispatch.c
+++ b/dispatch.c
@@ -42,7 +42,7 @@
 
 #ifndef lint
 static char copyright[] =
-"$Id: dispatch.c,v 1.21 1996/08/30 23:41:07 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
+"$Id: dispatch.c,v 1.22 1996/09/02 21:15:17 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
 #endif /* not lint */
 
 #include "dhcpd.h"
@@ -120,12 +120,12 @@ void discover_interfaces ()
 			error ("Can't get interface flags for %s: %m",
 			       ifr.ifr_name);
 
-		/* Skip loopback and point-to-point interfaces. */
+		/* Skip loopback, point-to-point and down interfaces. */
 		if ((ifr.ifr_flags & IFF_LOOPBACK) ||
-		    (ifr.ifr_flags & IFF_POINTOPOINT))
+		    (ifr.ifr_flags & IFF_POINTOPOINT) ||
+		    !(ifr.ifr_flags & IFF_UP))
 			continue;
 		
-
 		/* See if we've seen an interface that matches this one. */
 		for (tmp = interfaces; tmp; tmp = tmp -> next)
 			if (!strcmp (tmp -> name, ifp -> ifr_name))