84c6ee610b
Busybox ash does not implement /dev/stdout, therfore any wget output is written into a file /dev/stdout instead of onto the standard output. Signed-off-by: Jo-Philipp Wich <jow@openwrt.org> SVN-Revision: 44301
134 lines
3.3 KiB
Bash
Executable file
134 lines
3.3 KiB
Bash
Executable file
#!/bin/sh
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# 6in4.sh - IPv6-in-IPv4 tunnel backend
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# Copyright (c) 2010-2015 OpenWrt.org
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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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proto_6in4_setup() {
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local cfg="$1"
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local iface="$2"
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local link="6in4-$cfg"
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local mtu ttl tos ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey sourcerouting
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json_get_vars mtu ttl tos ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey sourcerouting
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[ -z "$peeraddr" ] && {
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proto_notify_error "$cfg" "MISSING_ADDRESS"
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proto_block_restart "$cfg"
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return
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}
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( proto_add_host_dependency "$cfg" 0.0.0.0 )
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[ -z "$ipaddr" ] && {
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local wanif
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if ! network_find_wan wanif || ! network_get_ipaddr ipaddr "$wanif"; then
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proto_notify_error "$cfg" "NO_WAN_LINK"
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return
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fi
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}
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proto_init_update "$link" 1
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local source=""
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[ "$sourcerouting" != "0" ] && source="::/128"
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proto_add_ipv6_route "::" 0 "" "" "" "$source"
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[ -n "$ip6addr" ] && {
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local local6="${ip6addr%%/*}"
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local mask6="${ip6addr##*/}"
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[[ "$local6" = "$mask6" ]] && mask6=
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proto_add_ipv6_address "$local6" "$mask6"
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[ "$sourcerouting" != "0" ] && proto_add_ipv6_route "::" 0 "" "" "" "$local6/$mask6"
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}
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[ -n "$ip6prefix" ] && {
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proto_add_ipv6_prefix "$ip6prefix"
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[ "$sourcerouting" != "0" ] && proto_add_ipv6_route "::" 0 "" "" "" "$ip6prefix"
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}
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proto_add_tunnel
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json_add_string mode sit
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json_add_int mtu "${mtu:-1280}"
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json_add_int ttl "${ttl:-64}"
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[ -n "$tos" ] && json_add_string tos "$tos"
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json_add_string local "$ipaddr"
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json_add_string remote "$peeraddr"
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proto_close_tunnel
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proto_send_update "$cfg"
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[ -n "$tunnelid" -a -n "$username" -a \( -n "$password" -o -n "$updatekey" \) ] && {
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[ -n "$updatekey" ] && password="$updatekey"
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local http="http"
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local urlget="wget"
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local urlget_opts="-qO-"
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local ca_path="${SSL_CERT_DIR-/etc/ssl/certs}"
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if [ -n "$(which curl)" ]; then
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urlget="curl"
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urlget_opts="-s -S"
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if curl -V | grep "Protocols:" | grep -qF "https"; then
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http="https"
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urlget_opts="$urlget_opts --capath $ca_path"
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fi
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fi
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if [ "$http" = "http" ] &&
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wget --version 2>&1 | grep -qF "+https"; then
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urlget="wget"
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urlget_opts="-qO- --ca-directory=$ca_path"
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http="https"
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fi
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[ "$http" = "https" -a -z "$(find $ca_path -name "*.0" 2>/dev/null)" ] && {
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if [ "$urlget" = "curl" ]; then
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urlget_opts="$urlget_opts -k"
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else
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urlget_opts="$urlget_opts --no-check-certificate"
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fi
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}
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local url="$http://ipv4.tunnelbroker.net/nic/update?username=$username&password=$password&hostname=$tunnelid"
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local try=0
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local max=3
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while [ $((++try)) -le $max ]; do
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( exec $urlget $urlget_opts "$url" | logger -t "$link" ) &
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local pid=$!
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( sleep 20; kill $pid 2>/dev/null ) &
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wait $pid && break
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sleep 20;
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done
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}
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}
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proto_6in4_teardown() {
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local cfg="$1"
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}
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proto_6in4_init_config() {
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no_device=1
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available=1
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proto_config_add_string "ipaddr"
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proto_config_add_string "ip6addr"
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proto_config_add_string "ip6prefix"
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proto_config_add_string "peeraddr"
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proto_config_add_string "tunnelid"
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proto_config_add_string "username"
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proto_config_add_string "password"
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proto_config_add_string "updatekey"
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proto_config_add_int "mtu"
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proto_config_add_int "ttl"
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proto_config_add_string "tos"
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proto_config_add_boolean "sourcerouting"
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}
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[ -n "$INCLUDE_ONLY" ] || {
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add_protocol 6in4
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}
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