diff options
Diffstat (limited to 'package/network/config/gre/files/gre.sh')
| -rwxr-xr-x | package/network/config/gre/files/gre.sh | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/package/network/config/gre/files/gre.sh b/package/network/config/gre/files/gre.sh new file mode 100755 index 0000000..4483a08 --- /dev/null +++ b/package/network/config/gre/files/gre.sh @@ -0,0 +1,237 @@ +#!/bin/sh + +[ -n "$INCLUDE_ONLY" ] || { + . /lib/functions.sh + . /lib/functions/network.sh + . ../netifd-proto.sh + init_proto "$@" +} + +gre_generic_setup() { + local cfg="$1" + local mode="$2" + local local="$3" + local remote="$4" + local link="$5" + local mtu ttl tos zone ikey okey icsum ocsum iseqno oseqno + json_get_vars mtu ttl tos zone ikey okey icsum ocsum iseqno oseqno + + [ -z "$zone" ] && zone="wan" + + proto_init_update "$link" 1 + + proto_add_tunnel + json_add_string mode "$mode" + json_add_int mtu "${mtu:-1280}" + [ -n "$df" ] && json_add_boolean df "$df" + json_add_int ttl "${ttl:-64}" + [ -n "$tos" ] && json_add_string tos "$tos" + json_add_string local "$local" + json_add_string remote "$remote" + [ -n "$tunlink" ] && json_add_string link "$tunlink" + json_add_string info "${ikey:-0},${okey:-0},${icsum:-0},${ocsum:-0},${iseqno:-0},${oseqno:-0}" + proto_close_tunnel + + proto_add_data + [ -n "$zone" ] && json_add_string zone "$zone" + proto_close_data + + proto_send_update "$cfg" +} + +gre_setup() { + local cfg="$1" + local mode="$2" + + local ipaddr peeraddr + json_get_vars df ipaddr peeraddr tunlink + + [ -z "$peeraddr" ] && { + proto_notify_error "$cfg" "MISSING_ADDRESS" + proto_block_restart "$cfg" + exit + } + + ( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" ) + + [ -z "$ipaddr" ] && { + local wanif="$tunlink" + if [ -z $wanif ] && ! network_find_wan wanif; then + proto_notify_error "$cfg" "NO_WAN_LINK" + exit + fi + + if ! network_get_ipaddr ipaddr "$wanif"; then + proto_notify_error "$cfg" "NO_WAN_LINK" + exit + fi + } + + [ -z "$df" ] && df="1" + + gre_generic_setup $cfg $mode $ipaddr $peeraddr "gre-$cfg" +} + +proto_gre_setup() { + local cfg="$1" + + gre_setup $cfg "greip" +} + +proto_gretap_setup() { + local cfg="$1" + + local network + json_get_vars network + + gre_setup $cfg "gretapip" + + json_init + json_add_string name "gre-$cfg" + json_add_boolean link-ext 0 + json_close_object + + for i in $network; do + ubus call network.interface."$i" add_device "$(json_dump)" + done +} + +grev6_setup() { + local cfg="$1" + local mode="$2" + + local ip6addr peer6addr weakif + json_get_vars ip6addr peer6addr tunlink weakif + + [ -z "$peer6addr" ] && { + proto_notify_error "$cfg" "MISSING_ADDRESS" + proto_block_restart "$cfg" + exit + } + + ( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" ) + + [ -z "$ip6addr" ] && { + local wanif="$tunlink" + if [ -z $wanif ] && ! network_find_wan6 wanif; then + proto_notify_error "$cfg" "NO_WAN_LINK" + exit + fi + + if ! network_get_ipaddr6 ip6addr "$wanif"; then + [ -z "$weakif" ] && weakif="lan" + if ! network_get_ipaddr6 ip6addr "$weakif"; then + proto_notify_error "$cfg" "NO_WAN_LINK" + exit + fi + fi + } + + gre_generic_setup $cfg $mode $ip6addr $peer6addr "grev6-$cfg" +} + +proto_grev6_setup() { + local cfg="$1" + + grev6_setup $cfg "greip6" +} + +proto_grev6tap_setup() { + local cfg="$1" + + local network + json_get_vars network + + grev6_setup $cfg "gretapip6" + + json_init + json_add_string name "grev6-$cfg" + json_add_boolean link-ext 0 + json_close_object + + for i in $network; do + ubus call network.interface."$i" add_device "$(json_dump)" + done +} + +gretap_generic_teardown() { + local network + json_get_vars network + + json_init + json_add_string name "$1" + json_add_boolean link-ext 0 + json_close_object + + for i in $network; do + ubus call network.interface."$i" remove_device "$(json_dump)" + done +} + +proto_gre_teardown() { + local cfg="$1" +} + +proto_gretap_teardown() { + local cfg="$1" + + gretap_generic_teardown "gre-$cfg" +} + +proto_grev6_teardown() { + local cfg="$1" +} + +proto_grev6tap_teardown() { + local cfg="$1" + + gretap_generic_teardown "grev6-$cfg" +} + +gre_generic_init_config() { + no_device=1 + available=1 + + proto_config_add_int "mtu" + proto_config_add_int "ttl" + proto_config_add_string "tos" + proto_config_add_string "tunlink" + proto_config_add_string "zone" + proto_config_add_int "ikey" + proto_config_add_int "okey" + proto_config_add_boolean "icsum" + proto_config_add_boolean "ocsum" + proto_config_add_boolean "iseqno" + proto_config_add_boolean "oseqno" +} + +proto_gre_init_config() { + gre_generic_init_config + proto_config_add_string "ipaddr" + proto_config_add_string "peeraddr" + proto_config_add_boolean "df" +} + +proto_gretap_init_config() { + proto_gre_init_config + proto_config_add_string "network" +} + +proto_grev6_init_config() { + gre_generic_init_config + proto_config_add_string "ip6addr" + proto_config_add_string "peer6addr" + proto_config_add_string "weakif" +} + +proto_grev6tap_init_config() { + proto_grev6_init_config + proto_config_add_string "network" +} + +[ -n "$INCLUDE_ONLY" ] || { + [ -f /lib/modules/$(uname -r)/gre.ko ] && add_protocol gre + [ -f /lib/modules/$(uname -r)/gre.ko ] && add_protocol gretap + [ -f /lib/modules/$(uname -r)/ip6_gre.ko ] && add_protocol grev6 + [ -f /lib/modules/$(uname -r)/ip6_gre.ko ] && add_protocol grev6tap +} |