--- /dev/null
+#!/bin/sh /etc/rc.common
+
+START=99
+STOP=01
+
+PIDFILE="/tmp/run/sshtunnel"
+
+
+append_params() {
+ local p; local v; local args;
+ for p in $*; do
+ eval "v=\$$p"
+ [ -n "$v" ] && args="$args -o $p=$v"
+ done
+
+ ARGS_options="${args# *}"
+}
+
+append_string() {
+ local varname="$1"; local add="$2"; local separator="${3:- }"; local actual
+ eval "actual=\$$varname"
+
+ new="${actual:+$actual$separator}$add"
+ eval "$varname=\$new"
+}
+
+load_tunnelR() {
+ config_get section_server $1 server
+ [ "$server" = "$section_server" ] || return 0 # continue to read next section if this is not for the current server
+ let count++ # count nr of valid sections to make sure there are at least one
+
+ config_get remoteaddress $1 remoteaddress "*"
+ config_get remoteport $1 remoteport
+ config_get localaddress $1 localaddress
+ config_get localport $1 localport
+
+ [ "$remoteport" -gt 0 ] || append_string "error" "[tunnelR: $1]remoteport must be a positive integer" "; "
+ [ "$localport" -gt 0 ] || append_string "error" "[tunnelR: $1]localport must be a positive integer" "; "
+ [ -n "$error" ] && return 1
+
+ append_string "ARGS_tunnels" "-R $remoteaddress:$remoteport:$localaddress:$localport"
+}
+
+load_tunnelL() {
+ config_get section_server $1 server
+ [ "$server" = "$section_server" ] || return 0 # continue to read next section if this is not for the current server
+ let count++ # count nr of valid sections to make sure there are at least one
+
+ config_get localaddress $1 localaddress "*"
+ config_get localport $1 localport
+ config_get remoteaddress $1 remoteaddress
+ config_get remoteport $1 remoteport
+
+ [ "$remoteport" -gt 0 ] || append_string "error" "[tunnelL: $1]remoteport must be a positive integer" "; "
+ [ "$localport" -gt 0 ] || append_string "error" "[tunnelL: $1]localport must be a positive integer" "; "
+ [ -n "$error" ] && return 1
+
+ append_string "ARGS_tunnels" "-L $localaddress:$localport:$remoteaddress:$remoteport"
+}
+
+load_tunnelD() {
+ config_get section_server $1 server
+ [ "$server" = "$section_server" ] || return 0 # continue to read next section if this is not for the current server
+ let count++ # count nr of valid sections to make sure there are at least one
+
+ config_get localaddress $1 localaddress "*"
+ config_get localport $1 localport
+
+ [ "$remoteport" -gt 0 ] || append_string "error" "[tunnelD: $1]remoteport must be a positive integer" "; "
+ [ "$localport" -gt 0 ] || append_string "error" "[tunnelD: $1]localport must be a positive integer" "; "
+ [ -n "$error" ] && return 1
+
+ append_string "ARGS_tunnels" "-D $localaddress:$localport"
+}
+
+load_tunnelW() {
+ config_get section_server $1 server
+ [ "$server" = "$section_server" ] || return 0 # continue to read next section if this is not for the current server
+ let count++ # count nr of valid sections to make sure there are at least one
+
+ config_get localdev $1 localdev "*"
+ config_get remotedev $1 remotedev "*"
+ config_get vpntype $1 vpntype "*"
+
+ [ "$vpntype" == "ethernet" ] || [ "$vpntype" == "point-to-point" ] || append_string "error" "[tunnelW: $1] vpntype must be \"ethernet\" (tap) or \"pointopoint\" (tun)" "; "
+ [ "$localdev" == "any" ] || [ "$localdev" -ge 0 ] || append_string "error" "[tunnelW: $1] localdev must be an integer or \"any\"" "; "
+ [ "$remotedev" == "any" ] || [ "$remotedev" -ge 0 ] || append_string "error" "[tunnelW: $1] remotedev must be an integer or \"any\"" "; "
+ [ "$user" == "root" ] || logger -p user.warn -t "sshtunnel" "warning: root is required unless the tunnel device has been created manually"
+ [ -n "$error" ] && return 1
+
+ append_string "ARGS_tunnels" "-w $localdev:$remotedev -o Tunnel=$vpntype"
+}
+
+load_server() {
+ server="$1"
+
+ config_get user $1 user
+ config_get hostname $1 hostname
+ config_get port $1 port "22"
+ config_get retrydelay $1 retrydelay "60"
+ config_get PKCS11Provider $1 PKCS11Provider
+ config_get CheckHostIP $1 CheckHostIP
+ config_get Compression $1 Compression
+ config_get CompressionLevel $1 CompressionLevel
+ config_get IdentityFile $1 IdentityFile
+ config_get LogLevel $1 LogLevel
+ config_get ServerAliveCountMax $1 ServerAliveCountMax
+ config_get ServerAliveInterval $1 ServerAliveInterval
+ config_get StrictHostKeyChecking $1 StrictHostKeyChecking
+ config_get TCPKeepAlive $1 TCPKeepAlive
+ config_get VerifyHostKeyDNS $1 VerifyHostKeyDNS
+
+ error=""
+ [ -n "$user" ] \
+ || append_string "error" "user is not set" "; "
+ [ -n "$hostname" ] \
+ || append_string "error" "hostname is not set" "; "
+ [ "$retrydelay" -ge 1 ] \
+ || append_string "error" "retrydelay must be a positive integer" "; "
+ [ -z "$PKCS11Provider" -o -f "$PKCS11Provider" ] \
+ || append_string "error" "PKCS11Provider must be a pkcs11 shared library accessible" "; "
+ [ -z "$CheckHostIP" -o "$CheckHostIP"="yes" -o "$CheckHostIP"="no" ] \
+ || append_string "error" "CheckHostIP must be 'yes' or 'no'" "; "
+ [ -z "$Compression" -o "$Compression"="yes" -o "$Compression"="no" ] \
+ || append_string "error" "Compression must be 'yes' or 'no'" "; "
+ [ -z "$CompressionLevel" ] || [ "$CompressionLevel" -ge 1 -a "$CompressionLevel" -le 9 ] \
+ || append_string "error" "CompressionLevel must be between 1 and 9" "; "
+ [ -z "$IdentityFile" -o -f "$IdentityFile" ] \
+ || append_string "error" "IdentityFile $IdentityFile not accessible" "; "
+ [ -z "$LogLevel" -o "$LogLevel" = "QUIET" -o "$LogLevel" = "FATAL" -o "$LogLevel" = "ERROR" -o \
+ "$LogLevel" = "INFO" -o "$LogLevel" = "VERBOSE" -o "$LogLevel" = "DEBUG" -o \
+ "$LogLevel" = "DEBUG1" -o "$LogLevel" = "DEBUG2" -o "$LogLevel" = "DEBUG3" ] \
+ || append_string "error" "LogLevel is invalid" "; "
+ [ -z "$ServerAliveCountMax" ] || [ "$ServerAliveCountMax" -ge 1 ] \
+ || append_string "error" "ServerAliveCountMax must be greater or equal than 1" "; "
+ [ -z "$ServerAliveInterval" ] || [ "$ServerAliveInterval" -ge 0 ] \
+ || append_string "error" "ServerAliveInterval must be greater or equal than 0" "; "
+ [ -z "$StrictHostKeyChecking" -o "$StrictHostKeyChecking" = "yes" -o "$StrictHostKeyChecking" = "ask" -o "$StrictHostKeyChecking" = "no" ] \
+ || append_string "error" "StrictHostKeyChecking must be 'yes', 'ask' or 'no'" "; "
+ [ -z "$TCPKeepAlive" -o "$TCPKeepAlive" = "yes" -o "$TCPKeepAlive" = "no" ] \
+ || append_string "error" "TCPKeepAlive must be 'yes' or 'no'" "; "
+ [ -z "$VerifyHostKeyDNS" -o "$VerifyHostKeyDNS" = "yes" -o "$VerifyHostKeyDNS" = "no" ] \
+ || append_string "error" "VerifyHostKeyDNS must be 'yes' or 'no'" "; "
+
+ [ -n "$error" ] && { logger -p user.err -t "sshtunnel" "tunnels to $server not started - $error"; return; }
+
+
+ ARGS=""
+ ARGS_options=""
+ ARGS_tunnels=""
+
+ count=0
+ config_foreach load_tunnelR tunnelR && config_foreach load_tunnelL tunnelL && config_foreach load_tunnelD tunnelD
+ [ -n "$error" ] && { logger -p user.err -t "sshtunnel" "tunnels to $server not started - $error"; return; }
+ [ "$count" -eq 0 ] && { logger -p user.err -t "sshtunnel" "tunnels to $server not started - no tunnels defined"; return; }
+
+ append_params CheckHostIP Compression CompressionLevel IdentityFile LogLevel PKCS11Provider ServerAliveCountMax ServerAliveInterval StrictHostKeyChecking TCPKeepAlive VerifyHostKeyDNS
+ ARGS="$ARGS_options -o ExitOnForwardFailure=yes -o BatchMode=yes -nN $ARGS_tunnels -p $port $user@$hostname"
+
+ /usr/bin/sshtunnel.sh "$ARGS" "$retrydelay" "$server" &
+ echo $! >> "${PIDFILE}.pids"
+ logger -p user.info -t "sshtunnel" "started tunnels to $server (pid=$!;retrydelay=$retrydelay)"
+}
+
+stop() {
+ if [ -f "$PIDFILE".pids ]
+ then
+ logger -p user.info -t "sshtunnel" "stopping all tunnels"
+
+ while read pid
+ do
+ kill "$pid" # kill mother process first
+
+ [ -f "${PIDFILE}_${pid}.pid" ] && { # if ssh was running, kill it also (mother process could be in retry wait)
+ start-stop-daemon -K -p "${PIDFILE}_${pid}.pid"
+ rm "${PIDFILE}_${pid}.pid"
+ }
+
+ logger -p daemon.info -t "sshtunnel[$pid]" "tunnel stopped"
+
+ done < "${PIDFILE}.pids"
+
+ rm "${PIDFILE}.pids"
+
+ logger -p user.info -t "sshtunnel" "all tunnels stopped"
+ else
+ logger -p user.info -t "sshtunnel" "no tunnels running"
+ fi
+}
+
+start() {
+ [ -f "${PIDFILE}.pids" ] && stop
+
+ config_load sshtunnel
+ if [ -n "$(uci show sshtunnel.@server[0])" ] # at least one server section exists
+ then
+ logger -p user.info -t "sshtunnel" "starting all tunnels"
+ config_foreach load_server server
+ logger -p user.info -t "sshtunnel" "all tunnels started"
+ else
+ logger -p user.info -t "sshtunnel" "no servers defined"
+ fi
+}
--- /dev/null
+#
+# password authentication is not possible, public key authentication must be used.
+# set "option IdentityFile" to he file from which the identity (private key) for RSA or DSA authentication is read.
+# The default is ~/.ssh/identity for protocol version 1, and ~/.ssh/id_rsa and ~/.ssh/id_dsa for protocol version 2.
+# ssh will also try to load certificate information from the filename obtained by appending -cert.pub to identity filenames.
+#
+
+#config server disney
+# option user mourinho
+# option hostname server.disney.com
+# option port 22
+# option retrydelay 1
+# option CheckHostIP yes
+# option Compression no
+# option CompressionLevel 6
+# option IdentityFile ~/.ssh/id_rsa
+# option LogLevel INFO
+# option PKCS11Provider /lib/pteidpkcs11.so
+# option ServerAliveCountMax 3
+# option ServerAliveInterval 0
+# option StrictHostKeyChecking ask
+# option TCPKeepAlive yes
+# option VerifyHostKeyDNS yes
+
+# tunnelR(emote) - when the connection will be initiated to the R(emote) endpoint at
+# remoteaddress:remoteport and then forwarded to localaddress:localport
+#
+#config tunnelR http
+# option server disney
+# option remoteaddress *
+# option remoteport 9009
+# option localaddress 192.168.1.13
+# option localport 80
+
+# tunnelL(ocal) - when the connection will be initiated to the L(ocal) endpoint at
+# localaddress:localport and then forwarded to remoteaddress:remoteport
+#
+#config tunnelL test
+# option server disney
+# option localaddress *
+# option localport 1022
+# option remoteaddress secretserver.disney.com
+# option remoteport 22
+
+# tunnelD(ynamic) - when the connection will be initiated with the SOCKS4 or SOCKS5 protocol
+# to the local endpoint at localaddress:localport and then forwarded over the remote host
+#
+#config tunnelD proxy
+# option server disney
+# option localaddress *
+# option localport 4055
+
+# tunnelW - creates TUN/TAP devices on client and server to establish a VPN tunnel between them
+# vpntypes:
+# point-to-point = TUN
+# ethernet = TAP
+#
+#config tunnelW proxy
+# option server disney
+# option vpntype point-to-point|ethernet
+# option localdev any|0|1|2|...
+# option remotedev any|0|1|2|...
+
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