nunojpg 1a7a3dc9cd [packages] sshtunnel: update to version 2
git-svn-id: svn://svn.openwrt.org/openwrt/packages@23263 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-10-05 21:51:46 +00:00

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#!/bin/sh /etc/rc.common
START=99
STOP=01
PIDFILE="/tmp/run/sshtunnel"
load_server() {
server="$1"
config_get user $1 user
config_get hostname $1 hostname
config_get debuglevel $1 debuglevel "0"
config_get retrydelay $1 retrydelay "10"
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" ] || error="user is not set"
[ -n "$hostname" ] || error="${error:+$error; }hostname is not set"
[ "$retrydelay" -ge 0 ] || error="${error:+$error; }retrydelay must be a positive integer"
#[ -f "$IdentityFile" ] || error="${error:+$error; }IdentityFile $IdentityFile not accessible"
#add validation for the rest of the parameters
[ -n "$error" ] && { logger -p user.err -t "sshtunnel" "tunnels to $server not started - $error"; return; }
tunnels_cmd=""
count=0
config_foreach load_tunnel tunnelR && config_foreach load_tunnel tunnelL
[ -n "$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 $server not started - no tunnels defined"; return; }
cmd="${CheckHostIP:+-o CheckHostIP=$CheckHostIP }"
cmd="$cmd${CheckHostIP:+-o CheckHostIP=$CheckHostIP }"
cmd="$cmd${Compression:+-o Compression=$Compression }"
cmd="$cmd${CompressionLevel:+-o CompressionLevel=$CompressionLevel }"
cmd="$cmd${IdentityFile:+-o IdentityFile=$IdentityFile }"
cmd="$cmd${LogLevel:+-o LogLevel=$LogLevel }"
cmd="$cmd${ServerAliveCountMax:+-o ServerAliveCountMax=$ServerAliveCountMax }"
cmd="$cmd${ServerAliveInterval:+-o ServerAliveInterval=$ServerAliveInterval }"
cmd="$cmd${StrictHostKeyChecking:+-o StrictHostKeyChecking=$StrictHostKeyChecking }"
cmd="$cmd${TCPKeepAlive:+-o TCPKeepAlive=$TCPKeepAlive }"
cmd="$cmd${VerifyHostKeyDNS:+-o VerifyHostKeyDNS=$VerifyHostKeyDNS }"
cmd="$cmd""-o ExitOnForwardFailure=yes -o BatchMode=yes -nN $tunnels_cmd $user@$hostname"
/usr/bin/sshtunnel.sh "$cmd" "$retrydelay" "$server" &
echo $! >> "$PIDFILE".pids
logger -p user.info -t "sshtunnel" "started tunnels to $server (pid=$!;retrydelay=$retrydelay)"
}
load_tunnel() {
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 remoteport $1 remoteport
config_get localport $1 localport
[ "$cfgtype" = "tunnelL" ] && {
config_get localaddress $1 localaddress "*"
config_get remoteaddress $1 remoteaddress
}
[ "$cfgtype" = "tunnelR" ] && {
config_get localaddress $1 localaddress
config_get remoteaddress $1 remoteaddress "*"
}
[ "$remoteport" -gt 0 ] || error="remoteport must be a positive integer"
[ "$localport" -gt 0 ] || error="${error:+$error; }localpost must be a positive integer"
[ -n "$error" ] && return 1
[ "$cfgtype" = "tunnelL" ] && {
tunnels_cmd="${tunnels_cmd:+$tunnels_cmd }-L $localaddress:$localport:$remoteaddress:$remoteport"
}
[ "$cfgtype" = "tunnelR" ] && {
tunnels_cmd="${tunnels_cmd:+$tunnels_cmd }-R $remoteaddress:$remoteport:$localaddress:$localport"
}
}
stop() {
if [ -f "$PIDFILE".pids ]
then
logger -p user.info -t "sshtunnel" "stopping all tunnels"
while read pid
do
start-stop-daemon -K -p "$PIDFILE"_"$pid".pid
kill $pid
logger -p daemon.info -t "sshtunnel[$pid]" "tunnel stopped"
rm "$PIDFILE"_"$pid".pid
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
}