disabled )Z٫{-i[D # # You will find more information on the initscripts-ipv6 homepage at # http://www.deepspace6.net/projects/initscripts-ipv6.html # # Version: 2006-08-03 # # ##### Test for IPv6 capabilites # $1: (optional) testflag: currently supported: "testonly" (do not load a module) # return code: 0=ok 2=IPv6 test fails ipv6_test() { local fn="ipv6_test" local testflag=$1 if ! [ -f /proc/net/if_inet6 ]; then if [ "$testflag" = "testonly" ]; then return 2 else modprobe ipv6 if ! [ -f /proc/net/if_inet6 ]; then return 2 fi fi fi if ! [ -d /proc/sys/net/ipv6/conf/ ]; then return 2 fi return 0 } ##### Static IPv6 route configuration # Set static IPv6 route # $1: : to route # $2: : over which $1 should be routed (if "::", gw will be skipped) # $3: [] : (optional) # return code: 0=ok 1=argument error 2=IPv6 test fails 3=major problem adding route ipv6_add_route() { local fn="ipv6_add_route" local networkipv6=$1 local gatewayipv6=$2 local device=$3 # maybe empty if [ -z "$networkipv6" ]; then net_log $"Missing parameter 'IPv6-network' (arg 1)" err $fn return 1 fi if [ -z "$gatewayipv6" ]; then net_log $"Missing parameter 'IPv6-gateway' (arg 2)" err $fn return 1 fi ipv6_test || return 2 ipv6_test_ipv6_addr_valid $networkipv6 || return 2 ipv6_test_ipv6_addr_valid $gatewayipv6 || return 2 if [ -z "$device" ]; then local returntxt="$(/sbin/ip -6 route add $networkipv6 via $gatewayipv6 metric 1 2>&1)" else if [ "$gatewayipv6" = "::" ]; then local returntxt="$(/sbin/ip -6 route add $networkipv6 dev $device metric 1 2>&1)" else local returntxt="$(/sbin/ip -6 route add $networkipv6 via $gatewayipv6 dev $device metric 1 2>&1)" fi fi if [ -n "$returntxt" ]; then if echo $returntxt | LC_ALL=C grep -q "File exists"; then # Netlink: "File exists" true elif echo $returntxt | LC_ALL=C grep -q "No route to host"; then # Netlink: "No route to host" net_log $"'No route to host' adding route '$networkipv6' via gateway '$gatewayipv6' through device '$device'" err $fn return 3 else net_log $"Unknown error" err $fn return 3 fi fi return 0 } ##### automatic tunneling configuration ## Configure automatic tunneling up # return code: 0=ok 2=IPv6 test fails 3=major problem ipv6_enable_autotunnel() { local fn="ipv6_enable_autotunnel" ipv6_test || return 2 # enable IPv6-over-IPv4 tunnels if ipv6_test_device_status sit0; then true else # bring up basic tunnel device /sbin/ip link set sit0 up if ! ipv6_test_device_status sit0; then net_log $"Tunnel device 'sit0' enabling didn't work" err $fn return 3 fi # Set sysctls proper (regardless "default") /sbin/sysctl -e -w net.ipv6.conf.sit0.forwarding=1 >/dev/null 2>&1 /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 fi return 0 } ##### Interface configuration ## Add an IPv6 address for given interface # $1: # $2: # return code: 0=ok 1=argument error 2=IPv6 test fails 3=major problem ipv6_add_addr_on_device() { local fn="ipv6_add_addr_on_device" local device=$1 local address=$2 if [ -z "$device" ]; then net_log $"Missing parameter 'device' (