--- /dev/null
+#
+# Copyright (C) 2007-2011 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ocserv
+PKG_VERSION:=0.8.0
+PKG_RELEASE:=2
+
+PKG_BUILD_DIR :=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL :=ftp://ftp.infradead.org/pub/ocserv/
+PKG_MD5SUM:=6383535a21f8eecfb1bbb7f7ac99c41f
+
+PKG_LICENSE:=GPLv3
+PKG_LICENSE_FILES:=COPYING
+PKG_FIXUP:=autoreconf
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/ocserv/config
+ source "$(SOURCE)/Config.in"
+endef
+
+define Package/ocserv
+ SECTION:=net
+ CATEGORY:=Network
+ SUBMENU:=VPN
+ TITLE:=OpenConnect VPN server
+ URL:=http://www.infradead.org/ocserv/
+ MAINTAINER:=Nikos Mavrogiannopoulos <n.mavrogiannopoulos@gmail.com>
+ DEPENDS:= +libgnutls +libncurses +libreadline +OCSERV_PAM:libpam +OCSERV_PROTOBUF:libprotobuf-c
+endef
+
+define Package/ocserv/description
+ OpenConnect server (ocserv) is an SSL VPN server. Its purpose is to be
+ a secure, small, fast and configurable VPN server. It implements the
+ OpenConnect SSL VPN protocol, and has also (currently experimental)
+ compatibility with clients using the AnyConnect SSL VPN protocol. The
+ OpenConnect VPN protocol uses the standard IETF security protocols such
+ as TLS 1.2, and Datagram TLS to provide the secure VPN service.
+endef
+
+EXTRA_CPPFLAGS+=-I$(STAGING_DIR)/usr/include/readline/
+EXTRA_LDFLAGS+=-lncurses
+
+CONFIGURE_ARGS+= \
+ --enable-local-libopts \
+ --with-libreadline-prefix="$(STAGING_DIR)/" \
+
+ifneq ($(CONFIG_OCSERV_PAM),y)
+CONFIGURE_ARGS += --without-pam
+endif
+
+ifneq ($(CONFIG_OCSERV_PROTOBUF),y)
+CONFIGURE_ARGS += --without-protobuf
+endif
+
+define Package/ocserv/install
+ $(INSTALL_DIR) $(1)/usr/sbin
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/src/ocserv $(1)/usr/sbin/
+ $(INSTALL_DIR) $(1)/usr/bin
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/src/ocpasswd $(1)/usr/bin/
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/src/occtl $(1)/usr/bin/
+ $(INSTALL_DIR) $(1)/etc/init.d
+ $(INSTALL_BIN) ./files/ocserv.init $(1)/etc/init.d/ocserv
+ $(INSTALL_DIR) $(1)/etc/ocserv
+ $(INSTALL_CONF) ./files/ocserv.conf.template $(1)/etc/ocserv/ocserv.conf.template
+ $(INSTALL_DIR) $(1)/etc/config
+ $(INSTALL_CONF) ./files/config $(1)/etc/config/ocserv
+endef
+
+$(eval $(call BuildPackage,ocserv))
--- /dev/null
+# User authentication method. Could be set multiple times and in that case
+# all should succeed.
+# Options: certificate, pam.
+#auth = "certificate"
+#auth = "pam"
+
+# The gid-min option is used by auto-select-group option, in order to
+# select the minimum group ID.
+#auth = "pam[gid-min=1000]"
+
+# The plain option requires specifying a password file which contains
+# entries of the following format.
+# "username:groupname:encoded-password"
+# One entry must be listed per line, and 'ocpasswd' can be used
+# to generate password entries.
+auth = "|AUTH|"
+
+# A banner to be displayed on clients
+banner = "Welcome to OpenWRT"
+
+# Use listen-host to limit to specific IPs or to the IPs of a provided
+# hostname.
+#listen-host = [IP|HOSTNAME]
+
+# Limit the number of clients. Unset or set to zero for unlimited.
+#max-clients = 1024
+max-clients = |MAX_CLIENTS|
+
+# Limit the number of client connections to one every X milliseconds
+# (X is the provided value). Set to zero for no limit.
+#rate-limit-ms = 100
+
+# Limit the number of identical clients (i.e., users connecting
+# multiple times). Unset or set to zero for unlimited.
+max-same-clients = |MAX_SAME|
+
+# TCP and UDP port number
+tcp-port = |PORT|
+|UDP|udp-port = |PORT|
+
+# Keepalive in seconds
+keepalive = 32400
+
+# Dead peer detection in seconds.
+dpd = |DPD|
+
+# Dead peer detection for mobile clients. The needs to
+# be much higher to prevent such clients being awaken too
+# often by the DPD messages, and save battery.
+# (clients that send the X-AnyConnect-Identifier-DeviceType)
+#mobile-dpd = 1800
+
+# MTU discovery (DPD must be enabled)
+try-mtu-discovery = false
+
+# The key and the certificates of the server
+# The key may be a file, or any URL supported by GnuTLS (e.g.,
+# tpmkey:uuid=xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx;storage=user
+# or pkcs11:object=my-vpn-key;object-type=private)
+#
+# There may be multiple certificate and key pairs and each key
+# should correspond to the preceding certificate.
+server-cert = /etc/ocserv/server-cert.pem
+server-key = /etc/ocserv/server-key.pem
+
+# Diffie-Hellman parameters. Only needed if you require support
+# for the DHE ciphersuites (by default this server supports ECDHE).
+# Can be generated using:
+# certtool --generate-dh-params --outfile /path/to/dh.pem
+#dh-params = /path/to/dh.pem
+
+# If you have a certificate from a CA that provides an OCSP
+# service you may provide a fresh OCSP status response within
+# the TLS handshake. That will prevent the client from connecting
+# independently on the OCSP server.
+# You can update this response periodically using:
+# ocsptool --ask --load-cert=your_cert --load-issuer=your_ca --outfile response
+# Make sure that you replace the following file in an atomic way.
+#ocsp-response = /path/to/ocsp.der
+
+# In case PKCS #11 or TPM keys are used the PINs should be available
+# in files. The srk-pin-file is applicable to TPM keys only, and is the
+# storage root key.
+#pin-file = /path/to/pin.txt
+#srk-pin-file = /path/to/srkpin.txt
+
+# The Certificate Authority that will be used to verify
+# client certificates (public keys) if certificate authentication
+# is set.
+#ca-cert = /etc/ocserv/ca.pem
+
+# The object identifier that will be used to read the user ID in the client
+# certificate. The object identifier should be part of the certificate's DN
+# Useful OIDs are:
+# CN = 2.5.4.3, UID = 0.9.2342.19200300.100.1.1
+#cert-user-oid = 0.9.2342.19200300.100.1.1
+
+# The object identifier that will be used to read the user group in the
+# client certificate. The object identifier should be part of the certificate's
+# DN. Useful OIDs are:
+# OU (organizational unit) = 2.5.4.11
+#cert-group-oid = 2.5.4.11
+
+# The revocation list of the certificates issued by the 'ca-cert' above.
+#crl = /etc/ocserv/crl.pem
+
+# GnuTLS priority string
+tls-priorities = "NORMAL:%SERVER_PRECEDENCE:%COMPAT"
+
+# To enforce perfect forward secrecy (PFS) on the main channel.
+#tls-priorities = "NORMAL:%SERVER_PRECEDENCE:%COMPAT:-RSA"
+
+# The time (in seconds) that a client is allowed to stay connected prior
+# to authentication
+auth-timeout = 40
+
+# The time (in seconds) that a client is allowed to stay idle (no traffic)
+# before being disconnected. Unset to disable.
+#idle-timeout = 1200
+
+# The time (in seconds) that a mobile client is allowed to stay idle (no
+# traffic) before being disconnected. Unset to disable.
+#mobile-idle-timeout = 2400
+
+# The time (in seconds) that a client is not allowed to reconnect after
+# a failed authentication attempt.
+#min-reauth-time = 2
+
+# Cookie timeout (in seconds)
+# which he can reconnect. That cookie will be invalided if not
+# used within this timeout value. On a user disconnection, that
+# cookie will also be active for this time amount prior to be
+# invalid. That should allow a reasonable amount of time for roaming
+# between different networks.
+cookie-timeout = 300
+
+# Whether roaming is allowed, i.e., if true a cookie is
+# restricted to a single IP address and cannot be re-used
+# from a different IP.
+deny-roaming = false
+
+# ReKey time (in seconds)
+# ocserv will ask the client to refresh keys periodically once
+# this amount of seconds is elapsed. Set to zero to disable.
+rekey-time = 172800
+
+# ReKey method
+# Valid options: ssl, new-tunnel
+# ssl: Will perform an efficient rehandshake on the channel allowing
+# a seamless connection during rekey.
+# new-tunnel: Will instruct the client to discard and re-establish the channel.
+# Use this option only if the connecting clients have issues with the ssl
+# option.
+rekey-method = ssl
+
+# Script to call when a client connects and obtains an IP
+# Parameters are passed on the environment.
+# REASON, USERNAME, GROUPNAME, HOSTNAME (the hostname selected by client),
+# DEVICE, IP_REAL (the real IP of the client), IP_LOCAL (the local IP
+# in the P-t-P connection), IP_REMOTE (the VPN IP of the client),
+# ID (a unique numeric ID); REASON may be "connect" or "disconnect".
+connect-script = /usr/bin/ocserv-script
+disconnect-script = /usr/bin/ocserv-script
+
+# UTMP
+use-utmp = false
+
+# Whether to enable support for the occtl tool (i.e., either through D-BUS,
+# or via a unix socket).
+use-occtl = true
+
+# socket file used for IPC with occtl. You only need to set that,
+# if you use more than a single servers.
+occtl-socket-file = /var/run/occtl.socket
+
+# PID file. It can be overriden in the command line.
+pid-file = /var/run/ocserv.pid
+
+# The default server directory. Does not require any devices present.
+chroot-dir = /var/lib/ocserv
+
+# socket file used for IPC, will be appended with .PID
+# It must be accessible within the chroot environment (if any)
+#socket-file = /var/run/ocserv-socket
+socket-file = ocserv-socket
+
+# The user the worker processes will be run as. It should be
+# unique (no other services run as this user).
+run-as-user = ocserv
+run-as-group = ocserv
+
+# Set the protocol-defined priority (SO_PRIORITY) for packets to
+# be sent. That is a number from 0 to 6 with 0 being the lowest
+# priority. Alternatively this can be used to set the IP Type-
+# Of-Service, by setting it to a hexadecimal number (e.g., 0x20).
+# This can be set per user/group or globally.
+#net-priority = 3
+
+# Set the VPN worker process into a specific cgroup. This is Linux
+# specific and can be set per user/group or globally.
+#cgroup = "cpuset,cpu:test"
+
+#
+# Network settings
+#
+
+# The name of the tun device
+device = vpns
+
+# Whether the generated IPs will be predictable, i.e., IP stays the
+# same for the same user when possible.
+predictable-ips = |PREDICTABLE_IPS|
+
+# The default domain to be advertised
+default-domain = example.com
+
+# The pool of addresses that leases will be given from.
+ipv4-network = |IPV4ADDR|
+ipv4-netmask = |NETMASK|
+
+# The advertized DNS server. Use multiple lines for
+# multiple servers.
+# dns = fc00::4be0
+#dns = 192.168.1.2
+
+# The NBNS server (if any)
+#nbns = 192.168.1.3
+
+# The IPv6 subnet that leases will be given from.
+|ENABLE_IPV6|ipv6-network = |IPV6ADDR|
+|ENABLE_IPV6|ipv6-prefix = |IPV6PREFIX|
+
+# The domains over which the provided DNS should be used. Use
+# multiple lines for multiple domains.
+#split-dns = example.com
+
+# Prior to leasing any IP from the pool ping it to verify that
+# it is not in use by another (unrelated to this server) host.
+ping-leases = false
+
+# Unset to assign the default MTU of the device
+# mtu =
+
+# Unset to enable bandwidth restrictions (in bytes/sec). The
+# setting here is global, but can also be set per user or per group.
+#rx-data-per-sec = 40000
+#tx-data-per-sec = 40000
+
+# The number of packets (of MTU size) that are available in
+# the output buffer. The default is low to improve latency.
+# Setting it higher will improve throughput.
+#output-buffer = 10
+
+# Routes to be forwarded to the client. If you need the
+# client to forward routes to the server, you may use the
+# config-per-user/group or even connect and disconnect scripts.
+#
+# To set the server as the default gateway for the client just
+# comment out all routes from the server.
+#route = 192.168.1.0/255.255.255.0
+#route = 192.168.5.0/255.255.255.0
+#route = fef4:db8:1000:1001::/64
+
+# Configuration files that will be applied per user connection or
+# per group. Each file name on these directories must match the username
+# or the groupname.
+# The options allowed in the configuration files are dns, nbns,
+# ipv?-network, ipv4-netmask, ipv6-prefix, rx/tx-per-sec, iroute, route,
+# net-priority and cgroup.
+#
+# Note that the 'iroute' option allows to add routes on the server
+# based on a user or group. The syntax depends on the input accepted
+# by the commands route-add-cmd and route-del-cmd (see below).
+
+#config-per-user = /etc/ocserv/config-per-user/
+#config-per-group = /etc/ocserv/config-per-group/
+
+# When config-per-xxx is specified and there is no group or user that
+# matches, then utilize the following configuration.
+
+#default-user-config = /etc/ocserv/defaults/user.conf
+#default-group-config = /etc/ocserv/defaults/group.conf
+
+# Groups that a client is allowed to select from.
+# A client may belong in multiple groups, and in certain use-cases
+# it is needed to switch between them. For these cases the client can
+# select prior to authentication. Add multiple entries for multiple groups.
+#select-group = group1
+#select-group = group2[My group 2]
+#select-group = tost[The tost group]
+
+# The name of the group that if selected it would allow to use
+# the assigned by default group.
+#default-select-group = DEFAULT
+
+# Instead of specifying manually all the allowed groups, you may instruct
+# ocserv to scan all available groups and include the full list. That
+# option is only functional on plain authentication.
+#auto-select-group = true
+
+# The system command to use to setup a route. %{R} will be replaced with the
+# route/mask and %{D} with the (tun) device.
+#
+# The following example is from linux systems. %{R} should be something
+# like 192.168.2.0/24
+
+#route-add-cmd = "ip route add %{R} dev %{D}"
+#route-del-cmd = "ip route delete %{R} dev %{D}"
+
+# This option allows to forward a proxy. The special strings '%{U}'
+# and '%{G}', if present will be replaced by the username and group name.
+#proxy-url = http://example.com/
+#proxy-url = http://example.com/%{U}/%{G}/hello
+
+#
+# The following options are for (experimental) AnyConnect client
+# compatibility.
+
+# Client profile xml. A sample file exists in doc/profile.xml.
+# This file must be accessible from inside the worker's chroot.
+# It is not used by the openconnect client.
+#user-profile = profile.xml
+
+# Binary files that may be downloaded by the CISCO client. Must
+# be within any chroot environment.
+#binary-files = /path/to/binaries
+
+# Unless set to false it is required for clients to present their
+# certificate even if they are authenticating via a previously granted
+# cookie and complete their authentication in the same TCP connection.
+# Legacy CISCO clients do not do that, and thus this option should be
+# set for them.
+cisco-client-compat = |CISCO_COMPAT|
+
+#Advanced options
+
+# Option to allow sending arbitrary custom headers to the client after
+# authentication and prior to VPN tunnel establishment.
+#custom-header = "X-My-Header: hi there"
--- /dev/null
+#!/bin/sh /etc/rc.common
+
+SERVICE_USE_PID=1
+
+START=50
+
+setup_firewall() {
+ local port fw
+ config_get port $1 port
+ test -z "$port" && return
+
+ config_get fwport $1 "fwport"
+ test "$fwport" = "$port" && return
+
+ #can we remove the old rule?
+ uci add firewall rule
+ uci set firewall.@rule[-1].src=wan
+ uci set firewall.@rule[-1].target=ACCEPT
+ uci set firewall.@rule[-1].proto=tcpudp
+ uci set firewall.@rule[-1].dest_port=$port
+ uci commit firewall
+ /etc/init.d/firewall restart
+
+ uci set ocserv.config.fwport="$port"
+ uci commit ocserv
+}
+
+clear_firewall() {
+ iptables-save | grep -v ocserv-rule | iptables-restore
+}
+
+setup_config() {
+ config_get port $1 port "4443"
+ config_get max_clients $1 max_clients "8"
+ config_get max_same $1 max_same "2"
+ config_get dpd $1 dpd "120"
+ config_get predictable_ips $1 predictable_ips "1"
+ config_get udp $1 udp "1"
+ config_get auth $1 auth "plain"
+ config_get cisco_compat $1 cisco_compat "1"
+ config_get ipaddr $1 ipaddr "192.168.100.0"
+ config_get netmask $1 netmask "255.255.255.0"
+ config_get ip6addr $1 ip6addr ""
+
+ test $predictable_ips = "0" && predictable_ips="false"
+ test $predictable_ips = "1" && predictable_ips="true"
+ test $cisco_compat = "0" && cisco_compat="false"
+ test $cisco_compat = "1" && cisco_compat="true"
+ test $udp = "0" && udp="#"
+ test $udp = "1" && udp=""
+ test -z $ip6addr && enable_ipv6="#"
+
+ ipv6_addr=`echo $ip6addr|cut -d '/' -f 1`
+ ipv6_prefix=`echo $ip6addr|cut -d '/' -f 2`
+
+ test $auth = "plain" && authsuffix="[/var/etc/ocpasswd]"
+
+ mkdir -p /var/etc
+ sed -e "s/|PORT|/$port/g" \
+ -e "s/|MAX_CLIENTS|/$max_clients/g" \
+ -e "s/|MAX_SAME|/$max_same/g" \
+ -e "s/|DPD|/$dpd/g" \
+ -e "s/|AUTH|/$auth$authsuffix/g" \
+ -e "s/|PREDICTABLE_IPS|/$predictable_ips/g" \
+ -e "s/|CISCO_COMPAT|/$cisco_compat/g" \
+ -e "s/|UDP|/$udp/g" \
+ -e "s/|IPV4ADDR|/$ipaddr/g" \
+ -e "s/|NETMASK|/$netmask/g" \
+ -e "s/|IPV6ADDR|/$ipv6_addr/g" \
+ -e "s/|IPV6PREFIX|/$ipv6_prefix/g" \
+ -e "s/|ENABLE_IPV6|/$enable_ipv6/g" \
+ /etc/ocserv/ocserv.conf.template > /var/etc/ocserv.conf
+}
+
+setup_users() {
+ local name
+ local password
+
+ config_get name $1 name
+ config_get password $1 password
+
+ [ -z "$name" -o -z "$password" ] && return
+
+ echo "$password"|ocpasswd -c /var/etc/ocpasswd "$name"
+}
+
+setup_routes() {
+ local routes
+
+ config_get ip $1 ip
+ config_get netmask $1 netmask
+
+ [ -z "$ip" -o -z "$netmask" ] && return
+
+ echo "route = $ip/$netmask" >> /var/etc/ocserv.conf
+}
+
+setup_dns() {
+ local routes
+
+ config_get ip $1 ip
+
+ [ -z "$ip" ] && return
+
+ echo "dns = $ip" >> /var/etc/ocserv.conf
+}
+
+start() {
+ local hostname iface
+
+ user_exists ocserv 72 || user_add ocserv 72 72 /var/lib/ocserv
+ group_exists ocserv 72 || group_add ocserv 72
+
+ hostname=`uci get ddns.myddns.domain`
+ [ -z "$hostname" ] && hostname=`uci get system.@system[0].hostname`
+
+ [ ! -f /etc/ocserv/ca-key.pem ] && [ -x /usr/bin/certtool ] && {
+ echo "Generating CA certificate..."
+ mkdir -p /etc/ocserv/pki/
+ certtool --bits 2048 --generate-privkey --outfile /etc/ocserv/ca-key.pem >/dev/null 2>&1
+ echo "cn=$hostname CA" >/etc/ocserv/pki/ca.tmpl
+ echo "expiration_days=-1" >>/etc/ocserv/pki/ca.tmpl
+ echo "serial=1" >>/etc/ocserv/pki/ca.tmpl
+ echo "ca" >>/etc/ocserv/pki/ca.tmpl
+ echo "cert_signing_key" >>/etc/ocserv/pki/ca.tmpl
+
+ certtool --template /etc/ocserv/pki/ca.tmpl \
+ --generate-self-signed --load-privkey /etc/ocserv/ca-key.pem \
+ --outfile /etc/ocserv/ca.pem >/dev/null 2>&1
+ }
+
+ #generate server certificate/key
+ [ ! -f /etc/ocserv/server-key.pem ] && [ -x /usr/bin/certtool ] && {
+ echo "Generating server certificate..."
+ mkdir -p /etc/ocserv/pki/
+ certtool --bits 2048 --generate-privkey --outfile /etc/ocserv/server-key.pem >/dev/null 2>&1
+ echo "cn=$hostname" >/etc/ocserv/pki/server.tmpl
+ echo "serial=2" >>/etc/ocserv/pki/server.tmpl
+ echo "expiration_days=-1" >>/etc/ocserv/pki/server.tmpl
+ echo "signing_key" >>/etc/ocserv/pki/server.tmpl
+ echo "encryption_key" >>/etc/ocserv/pki/server.tmpl
+ certtool --template /etc/ocserv/pki/server.tmpl \
+ --generate-certificate --load-privkey /etc/ocserv/server-key.pem \
+ --load-ca-certificate /etc/ocserv/ca.pem --load-ca-privkey \
+ /etc/ocserv/ca-key.pem --outfile /etc/ocserv/server-cert.pem >/dev/null 2>&1
+ }
+
+ [ -f /var/run/ocserv.pid ] || {
+ touch /var/run/ocserv.pid
+ chown ocserv:ocserv /var/run/ocserv.pid
+ }
+ [ -d /var/lib/ocserv ] || {
+ mkdir -m 0755 -p /var/lib/ocserv
+ chmod 0700 /var/lib/ocserv
+ chown ocserv:ocserv /var/lib/ocserv
+ }
+
+ config_load "ocserv"
+
+ rm -f /var/etc/ocserv.conf
+ touch /var/etc/ocserv.conf
+ setup_config config
+ config_foreach setup_routes routes
+ config_foreach setup_dns dns
+
+ rm -f /var/etc/ocpasswd
+ touch /var/etc/ocpasswd
+ config_foreach setup_users ocservusers
+
+ setup_firewall config
+
+ service_start /usr/sbin/ocserv -c /var/etc/ocserv.conf
+}
+
+stop() {
+ service_stop /usr/sbin/ocserv
+ clear_firewall
+}
+
+reload() {
+ /usr/bin/occtl show status >/dev/null 2>&1
+ if test $? != 0;then
+ start
+ else
+ /usr/bin/occtl reload
+ fi
+}
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