From owner-freebsd-bugs Fri Jun 11 9:40: 6 1999 Delivered-To: freebsd-bugs@freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (Postfix) with ESMTP id DA5E8154E6 for ; Fri, 11 Jun 1999 09:40:01 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.9.3/8.9.2) id JAA88056; Fri, 11 Jun 1999 09:40:01 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: by hub.freebsd.org (Postfix, from userid 32767) id A401E154F7; Fri, 11 Jun 1999 09:36:44 -0700 (PDT) Message-Id: <19990611163644.A401E154F7@hub.freebsd.org> Date: Fri, 11 Jun 1999 09:36:44 -0700 (PDT) From: m.seaman@inpharmatica.co.uk To: freebsd-gnats-submit@freebsd.org X-Send-Pr-Version: www-1.0 Subject: bin/12136: /sbin/dhclient-script: weird route commands Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >Number: 12136 >Category: bin >Synopsis: /sbin/dhclient-script: weird route commands >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Jun 11 09:40:01 PDT 1999 >Closed-Date: >Last-Modified: >Originator: Matthew Seaman >Release: 3.2-STABLE of Fri Jun 11 09:31:00 BST 1999 >Organization: Inpharmatica Ltd >Environment: FreeBSD b0.farm.inpharmatica.co.uk 3.2-STABLE FreeBSD 3.2-STABLE #0: Fri Jun 11 09:31:00 BST 1999 matthew@b9.farm.inpharmatica.co.uk:/usr/src/sys/compile/FARM alpha >Description: /sbin/dhclient-script will attempt to add a route from any new interface IP address via 127.1 (or via 127.0.0.1 for aliases): route add $new_ip_address 127.1 >/dev/null 2>&1 which doesn't seem to achieve anything except causing the system log to fill up with lines like: Jun 11 02:23:43 b0 /kernel: arplookup 127.0.0.1 failed: could not allocate llinfo Jun 11 02:23:43 b0 /kernel: arpresolve: can't allocate llinfo for 127.0.0.1rt These repeat every 16 or so seconds ad-infinitum. Since there are two lines, syslogd's usual "last message repeated N times" mechanism doesn't happen either. >How-To-Repeat: Install DHCP server on network configure kernel on test machine with bpfilter touch /etc/dhclient.conf Assuming interface to be managed by dhcp is de0: cat < /etc/start_if.de0 #!/bin/sh /sbin/dhclient de0 FOO Comment out defaultrouter and ifconfig_de0 lines in /etc/rc.conf Reboot >Fix: Apply this patch. --- /sbin/dhclient-script.orig Fri Jun 11 16:37:20 1999 +++ /sbin/dhclient-script Fri Jun 11 16:51:41 1999 @@ -62,7 +62,7 @@ if [ x$reason = xPREINIT ]; then if [ x$alias_ip_address != x ]; then ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1 - route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1 + #route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1 fi ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \ broadcast 255.255.255.255 up @@ -82,7 +82,6 @@ fi if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]; then ifconfig $interface inet -alias $old_ip_address $medium - route delete $old_ip_address 127.1 >/dev/null 2>&1 for router in $old_routers; do route delete default $router >/dev/null 2>&1 done @@ -99,7 +98,6 @@ [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then ifconfig $interface inet $new_ip_address $new_netmask_arg \ $new_broadcast_arg $medium - route add $new_ip_address 127.1 >/dev/null 2>&1 for router in $new_routers; do route add default $router >/dev/null 2>&1 done @@ -115,7 +113,6 @@ if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ]; then ifconfig $interface inet alias $alias_ip_address $alias_subnet_arg - route add $alias_ip_address 127.0.0.1 fi echo search $new_domain_name >/etc/resolv.conf for nameserver in $new_domain_name_servers; do @@ -127,11 +124,9 @@ if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ]; then if [ x$alias_ip_address != x ]; then ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1 - route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1 fi if [ x$old_ip_address != x ]; then ifconfig $interface inet -alias $old_ip_address $medium - route delete $old_ip_address 127.1 >/dev/null 2>&1 for router in $old_routers; do route delete default $router >/dev/null 2>&1 done @@ -147,7 +142,6 @@ fi if [ x$alias_ip_address != x ]; then ifconfig $interface inet alias $alias_ip_address $alias_subnet_arg - route add $alias_ip_address 127.0.0.1 fi exit_with_hooks 0 fi @@ -155,7 +149,6 @@ if [ x$reason = xTIMEOUT ]; then if [ x$alias_ip_address != x ]; then ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1 - route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1 fi ifconfig $interface inet $new_ip_address $new_netmask_arg \ $new_broadcast_arg $medium @@ -167,9 +160,7 @@ if [ x$new_ip_address != x$alias_ip_address ] && \ [ x$alias_ip_address != x ]; then ifconfig $interface inet alias $alias_ip_address $alias_subnet_arg - route add $alias_ip_address 127.0.0.1 fi - route add $new_ip_address 127.1 >/dev/null 2>&1 for router in $new_routers; do route add default $router >/dev/null 2>&1 done >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message