299 lines
6.1 KiB
Bash
Executable File
299 lines
6.1 KiB
Bash
Executable File
#!/bin/sh
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[ -n "$INCLUDE_ONLY" ] || {
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. /lib/functions.sh
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. /lib/functions/network.sh
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. ../netifd-proto.sh
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init_proto "$@"
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}
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gre_generic_setup() {
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local cfg="$1"
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local mode="$2"
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local local="$3"
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local remote="$4"
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local link="$5"
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local mtu ipv6 ttl tos zone ikey okey icsum ocsum iseqno oseqno multicast
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json_get_vars mtu ipv6 ttl tos zone ikey okey icsum ocsum iseqno oseqno multicast
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[ -z "$multicast" ] && multicast=1
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proto_init_update "$link" 1
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proto_add_tunnel
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json_add_string mode "$mode"
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json_add_int mtu "${mtu:-1280}"
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json_add_boolean ipv6 "${ipv6:-1}"
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[ -n "$df" ] && json_add_boolean df "$df"
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[ -n "$ttl" ] && json_add_int ttl "$ttl"
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[ -n "$tos" ] && json_add_string tos "$tos"
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json_add_boolean multicast "$multicast"
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json_add_string local "$local"
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json_add_string remote "$remote"
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[ -n "$tunlink" ] && json_add_string link "$tunlink"
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json_add_object 'data'
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[ -n "$ikey" ] && json_add_int ikey "$ikey"
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[ -n "$okey" ] && json_add_int okey "$okey"
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[ -n "$icsum" ] && json_add_boolean icsum "$icsum"
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[ -n "$ocsum" ] && json_add_boolean ocsum "$ocsum"
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[ -n "$iseqno" ] && json_add_boolean iseqno "$iseqno"
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[ -n "$oseqno" ] && json_add_boolean oseqno "$oseqno"
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[ -n "$encaplimit" ] && json_add_string encaplimit "$encaplimit"
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json_close_object
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proto_close_tunnel
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proto_add_data
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[ -n "$zone" ] && json_add_string zone "$zone"
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proto_close_data
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proto_send_update "$cfg"
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}
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gre_setup() {
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local cfg="$1"
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local mode="$2"
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local remoteip
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local ipaddr peeraddr
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json_get_vars df ipaddr peeraddr tunlink nohostroute
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[ -z "$peeraddr" ] && {
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proto_notify_error "$cfg" "MISSING_PEER_ADDRESS"
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proto_block_restart "$cfg"
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exit
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}
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remoteip=$(resolveip -t 10 -4 "$peeraddr")
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if [ -z "$remoteip" ]; then
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proto_notify_error "$cfg" "PEER_RESOLVE_FAIL"
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exit
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fi
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for ip in $remoteip; do
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peeraddr=$ip
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break
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done
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if [ "${nohostroute}" != "1" ]; then
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( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
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fi
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[ -z "$ipaddr" ] && {
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local wanif="$tunlink"
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if [ -z $wanif ] && ! network_find_wan wanif; then
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proto_notify_error "$cfg" "NO_WAN_LINK"
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exit
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fi
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if ! network_get_ipaddr ipaddr "$wanif"; then
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proto_notify_error "$cfg" "NO_WAN_LINK"
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exit
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fi
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}
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[ -z "$df" ] && df="1"
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case "$mode" in
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gretapip)
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gre_generic_setup $cfg $mode $ipaddr $peeraddr "gre4t-$cfg"
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;;
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*)
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gre_generic_setup $cfg $mode $ipaddr $peeraddr "gre4-$cfg"
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;;
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esac
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}
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proto_gre_setup() {
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local cfg="$1"
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gre_setup $cfg "greip"
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}
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proto_gretap_setup() {
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local cfg="$1"
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local network
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json_get_vars network
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gre_setup $cfg "gretapip"
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json_init
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json_add_string name "gre4t-$cfg"
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json_add_boolean link-ext 0
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json_close_object
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for i in $network; do
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ubus call network.interface."$i" add_device "$(json_dump)"
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done
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}
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grev6_setup() {
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local cfg="$1"
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local mode="$2"
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local remoteip6
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local ip6addr peer6addr weakif
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json_get_vars ip6addr peer6addr tunlink weakif encaplimit nohostroute
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[ -z "$peer6addr" ] && {
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proto_notify_error "$cfg" "MISSING_PEER_ADDRESS"
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proto_block_restart "$cfg"
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exit
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}
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remoteip6=$(resolveip -t 10 -6 "$peer6addr")
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if [ -z "$remoteip6" ]; then
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proto_notify_error "$cfg" "PEER_RESOLVE_FAIL"
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exit
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fi
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for ip6 in $remoteip6; do
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peer6addr=$ip6
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break
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done
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if [ "${nohostroute}" != "1" ]; then
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( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" )
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fi
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[ -z "$ip6addr" ] && {
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local wanif="$tunlink"
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if [ -z $wanif ] && ! network_find_wan6 wanif; then
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proto_notify_error "$cfg" "NO_WAN_LINK"
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exit
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fi
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if ! network_get_ipaddr6 ip6addr "$wanif"; then
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[ -z "$weakif" ] && weakif="lan"
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if ! network_get_ipaddr6 ip6addr "$weakif"; then
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proto_notify_error "$cfg" "NO_WAN_LINK"
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exit
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fi
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fi
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}
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case "$mode" in
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gretapip6)
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gre_generic_setup $cfg $mode $ip6addr $peer6addr "gre6t-$cfg"
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;;
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*)
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gre_generic_setup $cfg $mode $ip6addr $peer6addr "gre6-$cfg"
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;;
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esac
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}
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proto_grev6_setup() {
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local cfg="$1"
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grev6_setup $cfg "greip6"
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}
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proto_grev6tap_setup() {
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local cfg="$1"
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local network
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json_get_vars network
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grev6_setup $cfg "gretapip6"
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json_init
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json_add_string name "gre6t-$cfg"
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json_add_boolean link-ext 0
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json_close_object
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for i in $network; do
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ubus call network.interface."$i" add_device "$(json_dump)"
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done
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}
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gretap_generic_teardown() {
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local network
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json_get_vars network
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json_init
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json_add_string name "$1"
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json_add_boolean link-ext 0
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json_close_object
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for i in $network; do
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ubus call network.interface."$i" remove_device "$(json_dump)"
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done
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}
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proto_gre_teardown() {
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local cfg="$1"
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}
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proto_gretap_teardown() {
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local cfg="$1"
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gretap_generic_teardown "gre4t-$cfg"
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}
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proto_grev6_teardown() {
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local cfg="$1"
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}
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proto_grev6tap_teardown() {
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local cfg="$1"
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gretap_generic_teardown "gre6t-$cfg"
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}
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gre_generic_init_config() {
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no_device=1
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available=1
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proto_config_add_int "mtu"
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proto_config_add_boolean "ipv6"
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proto_config_add_int "ttl"
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proto_config_add_string "tos"
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proto_config_add_string "tunlink"
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proto_config_add_string "zone"
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proto_config_add_int "ikey"
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proto_config_add_int "okey"
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proto_config_add_boolean "icsum"
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proto_config_add_boolean "ocsum"
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proto_config_add_boolean "iseqno"
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proto_config_add_boolean "oseqno"
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proto_config_add_boolean "multicast"
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}
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proto_gre_init_config() {
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gre_generic_init_config
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proto_config_add_string "ipaddr"
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proto_config_add_string "peeraddr"
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proto_config_add_boolean "df"
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proto_config_add_boolean "nohostroute"
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}
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proto_gretap_init_config() {
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proto_gre_init_config
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proto_config_add_string "network"
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}
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proto_grev6_init_config() {
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gre_generic_init_config
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proto_config_add_string "ip6addr"
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proto_config_add_string "peer6addr"
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proto_config_add_string "weakif"
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proto_config_add_string "encaplimit"
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proto_config_add_boolean "nohostroute"
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}
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proto_grev6tap_init_config() {
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proto_grev6_init_config
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proto_config_add_string "network"
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}
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[ -n "$INCLUDE_ONLY" ] || {
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[ -f /lib/modules/$(uname -r)/gre.ko ] && add_protocol gre
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[ -f /lib/modules/$(uname -r)/gre.ko ] && add_protocol gretap
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[ -f /lib/modules/$(uname -r)/ip6_gre.ko ] && add_protocol grev6
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[ -f /lib/modules/$(uname -r)/ip6_gre.ko ] && add_protocol grev6tap
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}
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