From 6578fad0e0fb4db1db35d2109cecc0561a1b4af0 Mon Sep 17 00:00:00 2001 From: Bill Nottingham Date: Tue, 11 Jan 2005 20:50:50 +0000 Subject: replace the use of route/ifconfig with ip, remove support for ipv6calc (, ) --- sysconfig/network-scripts/network-functions-ipv6 | 168 +++++------------------ 1 file changed, 31 insertions(+), 137 deletions(-) (limited to 'sysconfig/network-scripts/network-functions-ipv6') diff --git a/sysconfig/network-scripts/network-functions-ipv6 b/sysconfig/network-scripts/network-functions-ipv6 index adac28e1..7b8e039b 100644 --- a/sysconfig/network-scripts/network-functions-ipv6 +++ b/sysconfig/network-scripts/network-functions-ipv6 @@ -3,15 +3,12 @@ # network-functions-ipv6 # # Taken from: network-functions-ipv6 -# (P) & (C) 1997-2004 by Peter Bieringer +# (P) & (C) 1997-2005 by Peter Bieringer # # You will find more information on the initscripts-ipv6 homepage at # http://www.deepspace6.net/projects/initscripts-ipv6.html # -# Version: 2004-12-08 -# -# Extended address detection is enabled, if 'ipv6calc' is installed -# see here for more: http://www.deepspace6.net/projects/ipv6calc.html +# Version: 2005-01-07 # # @@ -163,20 +160,6 @@ ipv6_log() { ###### Beginning of main code here, always executed on "source|. network-functions-ipv6" -##### Test for "ipv6calc" (used for better existing address detection) -EXISTS_ipv6calc=no - if [ -x /bin/ipv6calc ]; then - if /bin/ipv6calc --if_inet62addr 3ffeffff0100f1010000000000000001 40 | LC_ALL=C grep -q -v '3ffe:ffff:100:f101::1/64'; then - false - elif /bin/ipv6calc --addr2if_inet6 3ffe:ffff:100::1/64 | LC_ALL=C grep -q -v '3ffeffff010000000000000000000001 00 40'; then - false - else - EXISTS_ipv6calc=yes - fi - else - false - fi - ###### End of main code here @@ -446,23 +429,19 @@ ipv6_cleanup_routes() { return 1 fi - ipv6_test testonly || return 2 + ipv6_test testonly || return 2 - # Get all IPv6 routes through given interface and remove them - ipv6_exec_route -A inet6 -n | LC_ALL=C grep "$device\W*$" | while read ipv6net nexthop flags metric ref use iface args; do - if [ "$iface" = "$device" ]; then - if [ -n "$gatewaymatch" ]; then - # Test if given gateway matches - if [ "$gatewaymatch" != "$nexthop" ]; then - continue - fi - fi - # Only non addrconf (automatic installed) routes should be removed - if echo $flags | LC_ALL=C grep -v -q "A"; then - ipv6_exec_route -A inet6 del $ipv6net gw $nexthop dev $iface - fi - fi - done + if [ -n "$gatewaymatch" ]; then + # Get all IPv6 routes (except default link-local and multicast) through given interface via a given gateway and remove them + ipv6_exec_ip -6 route show dev $device via $gatewaymatch | LC_ALL=C grep -v -w expires | LC_ALL=C egrep -v "^fe80::/64|^ff00::/8" | while read ipv6net dummy; do + ipv6_exec_ip -6 route del $ipv6net via $gatewaymatch dev $iface + done + else + # Get all IPv6 routes (except default link-local and multicast) through given interface and remove them + ipv6_exec_ip -6 route show dev $device | LC_ALL=C grep -v -w expires | LC_ALL=C egrep -v "^fe80::/64|^ff00::/8" | while read ipv6net dummy; do + ipv6_exec_ip -6 route del $ipv6net dev $iface + done + fi return 0 } @@ -482,7 +461,7 @@ ipv6_enable_autotunnel() { true else # bring up basic tunnel device - ipv6_exec_ifconfig sit0 up + ipv6_exec_ip link set sit0 up if ! ipv6_test_device_status sit0; then ipv6_log $"Tunnel device 'sit0' enabling didn't work" err $fn @@ -509,7 +488,7 @@ ipv6_disable_autotunnel() { if ipv6_test_device_status sit0; then # disable IPv6-over-IPv4 tunnels (if a tunnel is no longer up) - if ipv6_exec_route -A inet6 -n 2>/dev/null | LC_ALL=C grep "sit0\W*$" | awk '{ print $2 }' | LC_ALL=C grep -v -q "^::$"; then + if ipv6_exec_ip -6 route show dev sit0 | LC_ALL=C grep -w via | awk '{ print $3 }' | LC_ALL=C grep -v -q "^::$"; then # still existing routes, skip shutdown of sit0 true elif ipv6_exec_ip -6 -o addr show dev sit0 | awk '{ print $4 }' | LC_ALL=C grep -v -q '^::'; then @@ -521,7 +500,7 @@ ipv6_disable_autotunnel() { ipv6_exec_sysctl -w net.ipv6.conf.sit0.accept_ra=0 >/dev/null 2>&1 ipv6_exec_sysctl -w net.ipv6.conf.sit0.accept_redirects=0 >/dev/null 2>&1 - ipv6_exec_ifconfig sit0 down + ipv6_exec_ip link set sit0 down if ipv6_test_device_status sit0; then ipv6_log $"Tunnel device 'sit0' is still up" err $fn @@ -534,74 +513,6 @@ ipv6_disable_autotunnel() { } - -##### Test, whether an IPv6 address exists on an interface -# $1: : to testing -# $2: : to test (without prefix length) -# $3: : of address $2 -# return values: 0=ok (exists) 1=argument error 3=major problem 10=not exists -ipv6_test_addr_exists_on_device() { - local fn="ipv6_test_addr_exists_on_device" - - local testdevice=$1 - local testaddr=$2 - local testprefix=$3 - - if [ -z "$testdevice" ]; then - ipv6_log $"Missing parameter 'device' (arg 1)" err $fn - return 1 - fi - if [ -z "$testaddr" ]; then - ipv6_log $"Missing parameter 'IPv6 address to test' (arg 2)" err $fn - return 1 - fi - if [ -z "$testprefix" ]; then - ipv6_log $"Missing parameter 'IPv6 address prefix length' (arg 3)" err $fn - return 1 - fi - - ipv6_test testonly || return 2 - - if [ "$EXISTS_ipv6calc" = "yes" ]; then - # Using ipv6calc and compare against /proc/net/if_inet6 - - local convertresult="`/bin/ipv6calc --addr2if_inet6 $testaddr/$testprefix`" - - # Split in address, scope and prefix length - local test_addr="`echo $convertresult | awk '{ print $1 }'`" - local test_scope="`echo $convertresult | awk '{ print $2 }'`" - local test_prefixlength="`echo $convertresult | awk '{ print $3 }'`" - - if [ -z "$test_prefixlength" ]; then - local testresult="`LC_ALL=C grep "$test_addr .. .. $test_scope .." /proc/net/if_inet6 2>/dev/null | LC_ALL=C grep $testdevice$`" - else - local testresult="`LC_ALL=C grep "$test_addr .. $test_prefixlength $test_scope .." /proc/net/if_inet6 2>/dev/null | LC_ALL=C grep $testdevice$`" - fi - if [ -n "$testresult" ]; then - # exists - return 0 - else - # not exists - return 10 - fi - else - # low budget version, only works if given address is in equal form like "ip" displays - local testresult="`ipv6_exec_ip -o -6 addr show dev $testdevice | awk '{ print $4 }' | LC_ALL=C grep -i "^$testaddr/$testprefix$"`" - if [ -n "$testresult" ]; then - # exists - return 0 - else - # not exists - return 10 - fi - fi - - # Normally this lines not reached - return 3 -} - - - ##### Interface configuration ## Add an IPv6 address for given interface @@ -637,7 +548,7 @@ ipv6_add_addr_on_device() { ipv6_log $"Device '$device' doesn't exist" err $fn return 3 else - ipv6_exec_ifconfig $device up + ipv6_exec_ip link set $device up if ! ipv6_test_device_status $device; then ipv6_log $"Device '$device' enabling didn't work" err $fn @@ -655,20 +566,16 @@ ipv6_add_addr_on_device() { local address="$address_implicit/$prefixlength_implicit" fi - # Only add if address does not already exist - ipv6_test_addr_exists_on_device $device $address_implicit $prefixlength_implicit + ipv6_exec_ip -6 addr add $address dev $device local result=$? - if [ $result -ne 0 -a $result -ne 10 ]; then + if [ $result -eq 2 ]; then + return 0 + elif [ $result -ne 0 ]; then + ipv6_log $"Cannot add IPv6 address '$address' on dev '$device'" err $fn return 3 fi - if [ $result -eq 0 ]; then - true - else - ipv6_exec_ifconfig $device inet6 add $address || return 3 - fi - return 0 } @@ -734,20 +641,16 @@ ipv6_del_addr_on_device() { local address="$address_implicit/$prefixlength_implicit" fi - # Only remove, if address exists and is not link-local (prevents from kernel crashing) - ipv6_test_addr_exists_on_device $device $address_implicit $prefixlength_implicit + ipv6_exec_ip -6 addr del $address dev $device local result=$? - if [ $result -ne 0 -a $result -ne 10 ]; then + if [ $result -eq 2 ]; then + return 0 + elif [ $result -ne 0 ]; then + ipv6_log $"Cannot delete IPv6 address '$address' on dev '$device'" err $fn return 3 fi - if [ $result -eq 0 ]; then - ipv6_exec_ifconfig $device inet6 del $address || return 3 - else - true - fi - return 0 } @@ -778,14 +681,6 @@ ipv6_test_ipv6_addr_valid() { local prefixlength_implicit="`echo $testipv6addr_valid | awk -F/ '{ print $2 }'`" local address_implicit="`echo $testipv6addr_valid | awk -F/ '{ print $1 }'`" - if [ "$EXISTS_ipv6calc" = "yes" ]; then - if ! /bin/ipv6calc --addr2uncompaddr $testipv6addr_valid >/dev/null 2>&1; then - if [ "$modequiet" != "quiet" ]; then - ipv6_log $"Given IPv6 address '$testipv6addr_valid' is not valid" err $fn - fi - return 10 - fi - else # Test for a valid format if ! echo "$address_implicit" | LC_ALL=C egrep -q '^[[:xdigit:]]|[:\.]*$'; then if [ "$modequiet" != "quiet" ]; then @@ -793,7 +688,6 @@ ipv6_test_ipv6_addr_valid() { fi return 10 fi - fi # Test for prefix length if [ -z "$prefixlength_implicit" ]; then @@ -912,13 +806,13 @@ ipv6_test_device_status() { fi # Test if device exists - if ! ipv6_exec_ifconfig $device >/dev/null 2>&1; then + if ! ipv6_exec_ip link show dev $device >/dev/null 2>&1; then # not exists return 10 fi # Test if device is up - if ipv6_exec_ifconfig $device 2>/dev/null | LC_ALL=C grep -q "UP "; then + if ipv6_exec_ip link show dev $device 2>/dev/null | LC_ALL=C grep -q "UP"; then # up return 0 else @@ -1208,7 +1102,7 @@ ipv6_add_tunnel_device() { return 3 fi - ipv6_exec_ifconfig $device up + ipv6_exec_ip link set $device up if ! ipv6_test_device_status $device; then ipv6_log $"Tunnel device '$device' bringing up didn't work" err $fn -- cgit v1.2.1