+++ /dev/null
-#
-# Copyright (C) 2009-2010 Thomas Heil <heil@terminal-consulting.de>
-# Copyright (C) 2010-2011 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=l2tpv3tun
-PKG_VERSION:=0.2
-PKG_RELEASE:=1
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_SOURCE_URL:=ftp://www.openl2tp.org/releases
-PKG_MD5SUM:=d3b4a9af652cca9f34d3eea4a7ff6041
-
-PKG_INSTALL:=1
-
-include $(INCLUDE_DIR)/kernel.mk
-include $(INCLUDE_DIR)/package.mk
-
-define Package/l2tpv3tun
- SECTION:=net
- CATEGORY:=Network
- DEPENDS:=+libnl +ip +kmod-l2tp +kmod-l2tp-ip +kmod-l2tp-eth
- TITLE:=Control utility for static L2TP v3 (Pseudowire) tunnels
- MAINTAINER:=Thomas Heil <heil@terminal-consulting.de>
- URL:=http://www.openl2tp.org
-endef
-
-define Package/l2tpv3tun/description
- The l2tpv3tun utility is a command line frontend for configuring static
- L2TP v3 pseudowire tunnels.
-endef
-
-MAKE_FLAGS += \
- CC="$(TARGET_CC)" \
- CFLAGS="$(TARGET_CFLAGS) -I$(STAGING_DIR)/usr/include -I$(LINUX_DIR)/include" \
- LD="$(TARGET_CC)" \
- LDFLAGS="$(TARGET_LDFLAGS) -L$(STAGING_DIR)/usr/lib -lnl -lnl-genl"
-
-define Package/l2tpv3tun/install
- $(INSTALL_DIR) $(1)/usr/bin
- $(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/l2tpv3tun $(1)/usr/bin/
- $(INSTALL_DIR) $(1)/lib/network
- $(INSTALL_BIN) ./files/l2tp.sh $(1)/lib/network/
-endef
-
-$(eval $(call BuildPackage,l2tpv3tun))
+++ /dev/null
-# l2tp.sh - L2TPv3 tunnel backend
-# Copyright (c) 2010 OpenWrt.org
-
-l2tp_next_tunnel_id() {
- local max=0
- local val
- for val in $(
- local l
- l2tpv3tun show tunnel | while read l; do
- case "$l" in
- Tunnel*,*encap*) l="${l#Tunnel }"; echo "${l%%,*}";;
- esac
- done
- ); do
- [ "$val" -gt "$max" ] && max="$val"
- done
- echo $((max + 1))
-}
-
-l2tp_next_session_id() {
- local tunnel="$1"
- local max=0
- local val
- for val in $(
- local l
- l2tpv3tun show session${tunnel:+ tunnel_id "$tunnel"} | while read l; do
- case "$l" in
- Session*in*) l="${l#Session }"; echo "${l%% *}";;
- esac
- done
- ); do
- [ "$val" -gt "$max" ] && max="$val"
- done
- echo $((max + 1))
-}
-
-l2tp_tunnel_exists() {
- test -n "$(l2tpv3tun show tunnel tunnel_id "$1" 2>/dev/null)"
-}
-
-l2tp_session_exists() {
- test -n "$(l2tpv3tun show session tunnel_id "$1" session_id "$2" 2>/dev/null)"
-}
-
-l2tp_ifname() {
- l2tpv3tun show session tunnel_id "$1" session_id "$2" 2>/dev/null | \
- sed -ne 's/^.*interface name: //p'
-}
-
-l2tp_lock() {
- lock /var/lock/l2tp-setup
-}
-
-l2tp_unlock() {
- lock -u /var/lock/l2tp-setup
-}
-
-l2tp_log() {
- logger -t "ifup-l2tp" "$@"
-}
-
-
-# Hook into scan_interfaces() to synthesize a .device option
-# This is needed for /sbin/ifup to properly dispatch control
-# to setup_interface_l2tp() even if no .ifname is set in
-# the configuration.
-scan_l2tp() {
- local dev
- config_get dev "$1" device
- config_set "$1" device "${dev:+$dev }l2tp-$1"
-}
-
-coldplug_interface_l2tp() {
- setup_interface_l2tp "l2tp-$1" "$1"
-}
-
-setup_interface_l2tp() {
- local iface="$1"
- local cfg="$2"
- local link="l2tp-$cfg"
-
- l2tp_lock
-
- # prevent recursion
- local up="$(uci_get_state network "$cfg" up 0)"
- [ "$up" = 0 ] || {
- l2tp_unlock
- return 0
- }
-
- local tunnel_id
- config_get tunnel_id "$cfg" tunnel_id
- [ -n "$tunnel_id" ] || {
- tunnel_id="$(l2tp_next_tunnel_id)"
- uci_set_state network "$cfg" tunnel_id "$tunnel_id"
- l2tp_log "No tunnel ID specified, assuming $tunnel_id"
- }
-
- local peer_tunnel_id
- config_get peer_tunnel_id "$cfg" peer_tunnel_id
- [ -n "$peer_tunnel_id" ] || {
- peer_tunnel_id="$tunnel_id"
- uci_set_state network "$cfg" peer_tunnel_id "$peer_tunnel_id"
- l2tp_log "No peer tunnel ID specified, assuming $peer_tunnel_id"
- }
-
- local encap
- config_get encap "$cfg" encap udp
-
- local sport dport
- [ "$encap" = udp ] && {
- config_get sport "$cfg" sport 1701
- config_get dport "$cfg" dport 1701
- }
-
- local peeraddr
- config_get peeraddr "$cfg" peeraddr
- [ -z "$peeraddr" ] && config_get peeraddr "$cfg" peer6addr
-
- local localaddr
- case "$peeraddr" in
- *:*) config_get localaddr "$cfg" local6addr ;;
- *) config_get localaddr "$cfg" localaddr ;;
- esac
-
- [ -n "$localaddr" -a -n "$peeraddr" ] || {
- l2tp_log "Missing local or peer address for tunnel $cfg - skipping"
- return 1
- }
-
- (
- while ! l2tp_tunnel_exists "$tunnel_id"; do
- [ -n "$sport" ] && l2tpv3tun show tunnel 2>/dev/null | grep -q "ports: $sport/" && {
- l2tp_log "There already is a tunnel with src port $sport - skipping"
- l2tp_unlock
- return 1
- }
-
- l2tpv3tun add tunnel tunnel_id "$tunnel_id" peer_tunnel_id "$peer_tunnel_id" \
- encap "$encap" local "$localaddr" remote "$peeraddr" \
- ${sport:+udp_sport "$sport"} ${dport:+udp_dport "$dport"}
-
- # Wait for tunnel
- sleep 1
- done
-
-
- local session_id
- config_get session_id "$cfg" session_id
- [ -n "$session_id" ] || {
- session_id="$(l2tp_next_session_id "$tunnel_id")"
- uci_set_state network "$cfg" session_id "$session_id"
- l2tp_log "No session ID specified, assuming $session_id"
- }
-
- local peer_session_id
- config_get peer_session_id "$cfg" peer_session_id
- [ -n "$peer_session_id" ] || {
- peer_session_id="$session_id"
- uci_set_state network "$cfg" peer_session_id "$peer_session_id"
- l2tp_log "No peer session ID specified, assuming $peer_session_id"
- }
-
-
- while ! l2tp_session_exists "$tunnel_id" "$session_id"; do
- l2tpv3tun add session ifname "$link" tunnel_id "$tunnel_id" \
- session_id "$session_id" peer_session_id "$peer_session_id"
-
- # Wait for session
- sleep 1
- done
-
-
- local dev
- config_get dev "$cfg" device
-
- local ifn
- config_get ifn "$cfg" ifname
-
- uci_set_state network "$cfg" ifname "${ifn:-$dev}"
- uci_set_state network "$cfg" device "$dev"
-
- local mtu
- config_get mtu "$cfg" mtu 1462
-
- local ttl
- config_get ttl "$cfg" ttl
-
- ip link set mtu "$mtu" ${ttl:+ ttl "$ttl"} dev "$link"
-
- # IP setup inherited from proto static
- prepare_interface "$link" "$cfg"
- setup_interface_static "${ifn:-$dev}" "$cfg"
-
- ip link set up dev "$link"
-
- uci_set_state network "$cfg" up 1
- l2tp_unlock
- ) &
-}
-
-stop_interface_l2tp() {
- local cfg="$1"
- local link="l2tp-$cfg"
-
- local tunnel=$(uci_get_state network "$cfg" tunnel_id)
- local session=$(uci_get_state network "$cfg" session_id)
-
- [ -n "$tunnel" ] && [ -n "$session" ] && {
- l2tpv3tun del session tunnel_id "$tunnel" session_id "$session"
- l2tpv3tun del tunnel tunnel_id "$tunnel"
- }
-}
+++ /dev/null
---- a/main.c
-+++ b/main.c
-@@ -560,6 +560,7 @@ static void usage(void)
- fprintf(stderr, " session_id ID peer_session_id ID\n");
- fprintf(stderr, " [ cookie HEXSTR ] [ peer_cookie HEXSTR ]\n");
- fprintf(stderr, " [ offset OFFSET ] [ peer_offset OFFSET ]\n");
-+ fprintf(stderr, " [ ifname IFNAME ]\n");
- fprintf(stderr, " %s del tunnel tunnel_id ID\n", L2TP_CMD_ROOT);
- fprintf(stderr, " %s del session tunnel_id ID session_id ID\n", L2TP_CMD_ROOT);
- fprintf(stderr, " %s show tunnel [ tunnel_id ID ]\n", L2TP_CMD_ROOT);
-@@ -671,6 +672,9 @@ static int parse_args(int argc, char **a
- p->peer_cookie_len = slen / 2;
- if (hex2mem(*argv, p->peer_cookie, p->peer_cookie_len) < 0)
- invarg("cookie must be a hex string\n", *argv);
-+ } else if (strcmp(*argv, "ifname") == 0) {
-+ NEXT_ARG();
-+ p->ifname = *argv;
- } else if (strcmp(*argv, "tunnel") == 0) {
- p->tunnel = 1;
- } else if (strcmp(*argv, "session") == 0) {