diff options
Diffstat (limited to 'sysconfig/network-scripts/network-functions-ipv6')
| -rw-r--r-- | sysconfig/network-scripts/network-functions-ipv6 | 87 |
1 files changed, 38 insertions, 49 deletions
diff --git a/sysconfig/network-scripts/network-functions-ipv6 b/sysconfig/network-scripts/network-functions-ipv6 index 68fd9539..4945bb6d 100644 --- a/sysconfig/network-scripts/network-functions-ipv6 +++ b/sysconfig/network-scripts/network-functions-ipv6 @@ -191,17 +191,6 @@ ipv6_test() { return 0 } -## ip -# $*: <arguments...> -# return code: result of execution -ipv6_exec_ip() { - local options=$* - - LC_ALL=C /sbin/ip $options - - return $? -} - ##### Control IPv6 forwarding # Control IPv6 forwarding @@ -276,12 +265,12 @@ ipv6_add_route() { ipv6_test_ipv6_addr_valid $gatewayipv6 || return 2 if [ -z "$device" ]; then - local returntxt="$(ipv6_exec_ip -6 route add $networkipv6 via $gatewayipv6 metric 1 2>&1)" + local returntxt="$(/sbin/ip -6 route add $networkipv6 via $gatewayipv6 metric 1 2>&1)" else if [ "$gatewayipv6" = "::" ]; then - local returntxt="$(ipv6_exec_ip -6 route add $networkipv6 dev $device metric 1 2>&1)" + local returntxt="$(/sbin/ip -6 route add $networkipv6 dev $device metric 1 2>&1)" else - local returntxt="$(ipv6_exec_ip -6 route add $networkipv6 via $gatewayipv6 dev $device metric 1 2>&1)" + local returntxt="$(/sbin/ip -6 route add $networkipv6 via $gatewayipv6 dev $device metric 1 2>&1)" fi fi @@ -332,14 +321,14 @@ ipv6_del_route() { ipv6_test_ipv6_addr_valid $gatewayipv6 || return 1 if [ -z "$device" ]; then - ipv6_exec_ip -6 route del $networkipv6 via $gatewayipv6 + /sbin/ip -6 route del $networkipv6 via $gatewayipv6 local result=$? else if [ "$gatewayipv6" = "::" ]; then - ipv6_exec_ip -6 route del $networkipv6 dev $device + /sbin/ip -6 route del $networkipv6 dev $device local result=$? else - ipv6_exec_ip -6 route del $networkipv6 via $gatewayipv6 dev $device + /sbin/ip -6 route del $networkipv6 via $gatewayipv6 dev $device local result=$? fi fi @@ -374,12 +363,12 @@ ipv6_cleanup_routes() { 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 + /sbin/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_del_route $ipv6net $gatewaymatch $device 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 + /sbin/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_del_route $ipv6net :: $device done fi @@ -402,7 +391,7 @@ ipv6_enable_autotunnel() { true else # bring up basic tunnel device - ipv6_exec_ip link set sit0 up + /sbin/ip link set sit0 up if ! ipv6_test_device_status sit0; then ipv6_log $"Tunnel device 'sit0' enabling didn't work" err $fn @@ -429,10 +418,10 @@ 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_ip -6 route show dev sit0 | LC_ALL=C grep -w via | awk '{ print $3 }' | LC_ALL=C grep -v -q "^::$"; then + if /sbin/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 + elif /sbin/ip -6 -o addr show dev sit0 | awk '{ print $4 }' | LC_ALL=C grep -v -q '^::'; then # still existing IPv6 addresses, skip shutdown of sit0 true else @@ -441,7 +430,7 @@ ipv6_disable_autotunnel() { /sbin/sysctl -e -w net.ipv6.conf.sit0.accept_ra=0 >/dev/null 2>&1 /sbin/sysctl -e -w net.ipv6.conf.sit0.accept_redirects=0 >/dev/null 2>&1 - ipv6_exec_ip link set sit0 down + /sbin/ip link set sit0 down if ipv6_test_device_status sit0; then ipv6_log $"Tunnel device 'sit0' is still up" err $fn @@ -489,7 +478,7 @@ ipv6_add_addr_on_device() { ipv6_log $"Device '$device' doesn't exist" err $fn return 3 else - ipv6_exec_ip link set $device up + /sbin/ip link set $device up if ! ipv6_test_device_status $device; then ipv6_log $"Device '$device' enabling didn't work" err $fn @@ -507,7 +496,7 @@ ipv6_add_addr_on_device() { local address="$address_implicit/$prefixlength_implicit" fi - ipv6_exec_ip -6 addr add $address dev $device + /sbin/ip -6 addr add $address dev $device local result=$? if [ $result -eq 2 ]; then @@ -538,13 +527,13 @@ ipv6_cleanup_device() { # Remove all IPv6 routes through this device (but not "lo") if [ "$device" != "lo" ]; then - ipv6_exec_ip -6 route flush dev $device scope global >/dev/null 2>&1 - ipv6_exec_ip -6 route flush dev $device scope site >/dev/null 2>&1 + /sbin/ip -6 route flush dev $device scope global >/dev/null 2>&1 + /sbin/ip -6 route flush dev $device scope site >/dev/null 2>&1 fi # Remove all IPv6 addresses on this interface - ipv6_exec_ip -6 addr flush dev $device scope global >/dev/null 2>&1 - ipv6_exec_ip -6 addr flush dev $device scope site >/dev/null 2>&1 + /sbin/ip -6 addr flush dev $device scope global >/dev/null 2>&1 + /sbin/ip -6 addr flush dev $device scope site >/dev/null 2>&1 return 0 } @@ -566,12 +555,12 @@ ipv6_cleanup_6to4_device() { ipv6_test testonly || return 2 # Cleanup 6to4 addresses on this device - ipv6_exec_ip -6 addr show dev $dev scope global permanent | LC_ALL=C grep -w inet6 | awk '{ print $2}' | LC_ALL=C grep "^2002:" | while read addr; do + /sbin/ip -6 addr show dev $dev scope global permanent | LC_ALL=C grep -w inet6 | awk '{ print $2}' | LC_ALL=C grep "^2002:" | while read addr; do ipv6_del_addr_on_device ${dev} ${addr} done # Get all IPv6 routes through given interface related to 6to4 and remove them - ipv6_exec_ip -6 route show dev $device | LC_ALL=C grep "^2002:" | while read ipv6net dummy; do + /sbin/ip -6 route show dev $device | LC_ALL=C grep "^2002:" | while read ipv6net dummy; do ipv6_del_route $ipv6net :: $device done @@ -613,7 +602,7 @@ ipv6_del_addr_on_device() { local address="$address_implicit/$prefixlength_implicit" fi - ipv6_exec_ip -6 addr del $address dev $device + /sbin/ip -6 addr del $address dev $device local result=$? if [ $result -eq 2 ]; then @@ -698,7 +687,7 @@ ipv6_test_device_status() { fi # Test if device is up - if ipv6_exec_ip link show dev $device 2>/dev/null | LC_ALL=C grep -q "UP"; then + if /sbin/ip link show dev $device 2>/dev/null | LC_ALL=C grep -q "UP"; then # up return 0 else @@ -844,7 +833,7 @@ ipv6_add_6to4_tunnel() { fi # Add unspecific unreachable route for local 6to4 address space - ipv6_exec_ip route add unreach ${prefix6to4}::/48 + /sbin/ip route add unreach ${prefix6to4}::/48 # Set MTU, if given if [ -n "$mtu" ]; then @@ -879,8 +868,8 @@ ipv6_cleanup_6to4_tunnels() { ipv6_del_tunnel_device tun6to4 # Remove all unspecific unreachable routes for local 6to4 address space - ipv6_exec_ip -6 route | LC_ALL=C grep "^unreachable 2002:" | LC_ALL=C grep "/48 dev lo" | while read token net rest; do - ipv6_exec_ip route del unreach $net + /sbin/ip -6 route | LC_ALL=C grep "^unreachable 2002:" | LC_ALL=C grep "/48 dev lo" | while read token net rest; do + /sbin/ip route del unreach $net done return 0 @@ -919,7 +908,7 @@ ipv6_del_6to4_tunnel() { local retval=$? # Remove unspecific unreachable route for local 6to4 address space - ipv6_exec_ip route del unreach ${prefix6to4}::/48 + /sbin/ip route del unreach ${prefix6to4}::/48 return $retval } @@ -963,7 +952,7 @@ ipv6_add_tunnel_device() { # Test whether remote IPv4 address was already applied to another tunnel if [ "$addressipv4tunnel" != "0.0.0.0" -a "$addressipv4tunnel" != "any" ]; then - ipv6_exec_ip tunnel show remote $addressipv4tunnel 2>/dev/null | LC_ALL=C grep -w "ipv6/ip" | while IFS=":" read devnew rest; do + /sbin/ip tunnel show remote $addressipv4tunnel 2>/dev/null | LC_ALL=C grep -w "ipv6/ip" | while IFS=":" read devnew rest; do if [ "$devnew" != "$device" ]; then ipv6_log $"Given remote address '$addressipv4tunnel' on tunnel device '$device' is already configured on device '$devnew'" err $fn return 3 @@ -971,18 +960,18 @@ ipv6_add_tunnel_device() { done fi - ipv6_exec_ip tunnel add $device mode sit ttl $ttldefault remote $addressipv4tunnel local $addressipv4tunnellocal + /sbin/ip tunnel add $device mode sit ttl $ttldefault remote $addressipv4tunnel local $addressipv4tunnellocal if [ $? -ne 0 ]; then return 3 fi # Test, whether "ip tunnel show" reports valid content - if ! ipv6_exec_ip tunnel show $device 2>/dev/null | LC_ALL=C grep -q -w "remote"; then + if ! /sbin/ip tunnel show $device 2>/dev/null | LC_ALL=C grep -q -w "remote"; then ipv6_log $"Tunnel device '$device' creation didn't work" err $fn return 3 fi - ipv6_exec_ip link set $device up + /sbin/ip link set $device up if ! ipv6_test_device_status $device; then ipv6_log $"Tunnel device '$device' bringing up didn't work" err $fn @@ -1033,8 +1022,8 @@ ipv6_del_tunnel_device() { fi if [ "$device" != "sit0" ]; then - if ipv6_exec_ip tunnel show $device 2>/dev/null | LC_ALL=C grep -q -w "ipv6/ip"; then - ipv6_exec_ip tunnel del $device + if /sbin/ip tunnel show $device 2>/dev/null | LC_ALL=C grep -q -w "ipv6/ip"; then + /sbin/ip tunnel del $device if ipv6_test_device_status $device; then return 3 @@ -1056,7 +1045,7 @@ ipv6_cleanup_tunnel_devices() { # Find still existing tunnel devices and shutdown and delete them - ipv6_exec_ip tunnel show | LC_ALL=C grep -w "ipv6/ip" | awk -F: '{ print $1 }' | while read device; do + /sbin/ip tunnel show | LC_ALL=C grep -w "ipv6/ip" | awk -F: '{ print $1 }' | while read device; do ipv6_del_tunnel_device $device done @@ -1100,9 +1089,9 @@ ipv6_get_ipv4addr_of_tunnel() { # Device exists, retrieve address if [ "$selection" = "local" ]; then - local tunnel_local_ipv4addr="$(ipv6_exec_ip tunnel show $device | awk '{ print $6 }')" + local tunnel_local_ipv4addr="$(/sbin/ip tunnel show $device | awk '{ print $6 }')" elif [ "$selection" = "remote" ]; then - local tunnel_local_ipv4addr="$(ipv6_exec_ip tunnel show $device | awk '{ print $4 }')" + local tunnel_local_ipv4addr="$(/sbin/ip tunnel show $device | awk '{ print $4 }')" fi if [ $? != 0 ]; then @@ -1141,7 +1130,7 @@ ipv6_get_ipv4addr_of_device() { fi # Device exists, retrieve the first address only - local ipv4addr="$(ipv6_exec_ip -o -4 addr show dev $device | awk '{ print $4 }' | awk -F/ '{ print $1; exit }')" + local ipv4addr="$(/sbin/ip -o -4 addr show dev $device | awk '{ print $4 }' | awk -F/ '{ print $1; exit }')" if [ $? != 0 ]; then return 3 @@ -1186,7 +1175,7 @@ ipv6_set_mtu() { ipv6_test testonly || return 2 # Set value - ipv6_exec_ip link set dev $device mtu $ipv6_mtu + /sbin/ip link set dev $device mtu $ipv6_mtu return 0 } @@ -1312,7 +1301,7 @@ ipv6_test_route_requires_next_hop() { return 10 fi - if ipv6_exec_ip -o link show $device 2>/dev/null | LC_ALL=C grep -q "POINTOPOINT"; then + if /sbin/ip -o link show $device 2>/dev/null | LC_ALL=C grep -q "POINTOPOINT"; then return 10 fi |