Add openconnect protocol support to network scripts
This is very basic — username/password only, and doesn't even check certificates which it *definitely* should. But it's a good start. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> git-svn-id: svn://svn.openwrt.org/openwrt/packages@31559 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
parent
3d3d55a332
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=openconnect
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PKG_VERSION:=3.16
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PKG_RELEASE:=1
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PKG_RELEASE:=2
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
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PKG_SOURCE_URL:=ftp://ftp.infradead.org/pub/openconnect/
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@ -20,7 +20,7 @@ include $(INCLUDE_DIR)/package.mk
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define Package/openconnect
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SECTION:=net
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CATEGORY:=Network
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DEPENDS:=+libxml2 +libopenssl +kmod-tun
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DEPENDS:=+libxml2 +libopenssl +kmod-tun +vpnc-scripts
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TITLE:=VPN client for Cisco's AnyConnect SSL VPN
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URL:=http://www.infradead.org/openconnect/
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SUBMENU:=VPN
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@ -37,9 +37,11 @@ endef
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CONFIGURE_ARGS+=--disable-shared
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define Package/openconnect/install
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$(INSTALL_DIR) $(1)/lib/network
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$(INSTALL_BIN) ./files/openconnect.sh $(1)/lib/network/
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$(INSTALL_DIR) $(1)/usr/sbin
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/openconnect \
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$(1)/usr/sbin/
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$(INSTALL_BIN) ./files/run-openconnect $(1)/usr/sbin/
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/openconnect $(1)/usr/sbin/
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endef
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$(eval $(call BuildPackage,openconnect))
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39
net/openconnect/files/openconnect.sh
Executable file
39
net/openconnect/files/openconnect.sh
Executable file
@ -0,0 +1,39 @@
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find_gw() {
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route -n | awk '$1 == "0.0.0.0" { print $2; exit }'
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}
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scan_openconnect() {
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config_set "$1" device "vpn-$1"
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}
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stop_interface_openconnect() {
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local config="$1"
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local lock="/var/lock/openconnect-$config"
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uci_set_state network "$config" up 0
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lock "$lock"
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SERVICE_PID_FILE="/var/run/openconnect-${config}.pid" \
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SERVICE_SIG=HUP service_stop /bin/sh
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remove_dns "$config"
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lock -u "$lock"
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}
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setup_interface_openconnect() {
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local config="$2"
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/sbin/insmod tun 2>&- >&-
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# creating the tunnel below will trigger a net subsystem event
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# prevent it from touching or iface by disabling .auto here
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uci_set_state network "$config" ifname "vpn-$config"
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uci_set_state network "$config" auto 0
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uci_set_state network "$config" up 1
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SERVICE_PID_FILE="/var/run/openconnect-${config}.pid" \
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SERVICE_WRITE_PID=1 SERVICE_DAEMONIZE=1 \
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service_start /usr/sbin/run-openconnect $config
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}
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86
net/openconnect/files/run-openconnect
Executable file
86
net/openconnect/files/run-openconnect
Executable file
@ -0,0 +1,86 @@
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#!/bin/sh -x
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. /etc/functions.sh
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[ $# = 0 ] && { echo " $0 <group>"; exit; }
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include /lib/network
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scan_interfaces
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config="$1"
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export OPENWRT_INTERFACE="$config"
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config_get proto "$config" proto
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if [ "$proto" != "openconnect" ]; then
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echo "Interface $config is $proto not openconnect" >&2
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exit 1
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fi
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config_get device "$config" device
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local server
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config_get server "$config" server
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local port
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config_get port "$config" port
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if [ -n "$port" ]; then
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args="$server:$port"
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else
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args="$server"
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fi
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local cookie
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config_get cookie "$config" cookie
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[ -n "$cookie" ] && args="$args -C $cookie"
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local username
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config_get username "$config" username
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[ -n "$username" ] && args="$args -u $username"
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local password
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config_get password "$password" password
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/sbin/insmod tun
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local lock="/var/lock/openconnect-$config"
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# creating the tunnel below will trigger a net subsystem event
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# prevent it from touching or iface by disabling .auto here
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uci_set_state network "$config" ifname $link
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uci_set_state network "$config" auto 0
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local gw="$(find_gw)"
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[ -n "$gw" ] && {
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local serv_addrs=""
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for ip in $(resolveip -4 -t 3 "$server"); do
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append serv_addrs "$ip"
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route delete -host "$ip" 2>/dev/null
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route add -host "$ip" gw "$gw"
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done
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uci_toggle_state network "$config" serv_addrs "$serv_addrs"
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}
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RECON=$(date +%s)
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trap "[ -r /var/run/openconnect-$config-oc.pid ] && kill -HUP \$(cat /var/run/openconnect-$config-oc.pid)" SIGHUP
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while [ "$(uci_get_state network ${config} up)" = "1" ]; do
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NOW=$(date +%s)
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if [ $RECON -gt $NOW ]; then
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DELAY=$(expr $RECON - $NOW)
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logger -t openconnect "Waiting for $DELAY seconds before reconnecting"
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sleep $(expr $DELAY)
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fi
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# The lock prevents a race condition where /lib/network/openconnect.sh could
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# send us SIGHUP after we spawn openconnect, but before we store its pid.
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# Thus leaving it running after we should have killed it.
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lock $lock
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echo "$passwd" | /usr/sbin/openconnect $args -i "vpn-$config" \
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--no-cert-check --non-inter --passwd-on-stdin --syslog --script /etc/vpnc/vpnc-script &
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echo $! > /var/run/openconnect-$config-oc.pid
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lock -u $lock
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wait $!
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rm /var/run/openconnect-$config-oc.pid
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RECON=$(expr $NOW + 60)
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done
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