238 lines
4.7 KiB
Bash
Executable File
238 lines
4.7 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="$5"
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local mtu ttl tos zone ikey okey icsum ocsum iseqno oseqno
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json_get_vars mtu ttl tos zone ikey okey icsum ocsum iseqno oseqno
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[ -z "$zone" ] && zone="wan"
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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 "${mtu:-1280}"
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[ -n "$df" ] && json_add_boolean df "$df"
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json_add_int ttl "${ttl:-64}"
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[ -n "$tos" ] && json_add_string tos "$tos"
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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_string info "${ikey:-0},${okey:-0},${icsum:-0},${ocsum:-0},${iseqno:-0},${oseqno:-0}"
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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="$2"
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local ipaddr peeraddr
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json_get_vars df ipaddr peeraddr tunlink
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[ -z "$peeraddr" ] && {
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proto_notify_error "$cfg" "MISSING_ADDRESS"
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proto_block_restart "$cfg"
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exit
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}
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( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
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[ -z "$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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gre_generic_setup $cfg $mode $ipaddr $peeraddr "gre-$cfg"
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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 $cfg "gretapip"
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json_init
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json_add_string name "gre-$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="$2"
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local ip6addr peer6addr weakif
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json_get_vars ip6addr peer6addr tunlink weakif
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[ -z "$peer6addr" ] && {
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proto_notify_error "$cfg" "MISSING_ADDRESS"
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proto_block_restart "$cfg"
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exit
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}
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( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" )
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[ -z "$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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gre_generic_setup $cfg $mode $ip6addr $peer6addr "grev6-$cfg"
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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 $cfg "gretapip6"
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json_init
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json_add_string name "grev6-$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="$1"
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gretap_generic_teardown "gre-$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="$1"
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gretap_generic_teardown "grev6-$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_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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}
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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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}
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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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}
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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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