diff options
| author | Ted Lemon <source@isc.org> | 1996-09-02 21:15:17 +0000 |
|---|---|---|
| committer | Ted Lemon <source@isc.org> | 1996-09-02 21:15:17 +0000 |
| commit | edba1c3639e2091524ef3a8b46928f475ccacee5 (patch) | |
| tree | 832992f0c557a589f679271489a473ba6b7c1708 | |
| parent | c255efc9d0b311b6a0f31541a1f27f61f482ef1c (diff) | |
| download | isc-dhcp-edba1c3639e2091524ef3a8b46928f475ccacee5.tar.gz | |
Don't attach to unconfigured interfaces
| -rw-r--r-- | common/dispatch.c | 8 | ||||
| -rw-r--r-- | dispatch.c | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/common/dispatch.c b/common/dispatch.c index 92546947..f2803c33 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)) @@ -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)) |