[vpnc-devel] Can't specify specific route

[Richard Pickett]

Thanks David.

How can I set the specific gateway? Is it one of the 0s on ROUTESKEY?


On Fri, Jul 8, 2011 at 4:57 PM, David Woodhouse <dwmw2 at infradead.org> wrote:

> On Fri, 2011-07-08 at 13:57 -0500, Richard Pickett wrote:
> > Yeah, the only thing is, I'm trying to automate it so I can have the
> > thing constantly reconnect and have the right routes. I'm thinking I
> > need to modify the vpnc-script that it calls by default.
>
> Or wrap it with something that sets all the environment variables as if
> vpnc had set them. Here's what we do with OpenConnect (which uses the
> same vpnc-script) to override the VPN-provided routing. There's code in
> there which helps you make the GConf key to set NetworkManager up, too.
>
> #!/bin/sh
>
> ROUTES="10.0.0.0/8 172.16.0.0/12 192.168.21.0/24 192.168.65.0/24"
> ROUTES="$ROUTES 128.215.0.0/16 132.233.0.0/16 134.134.0.0/16"
> ROUTES="$ROUTES 137.102.0.0/16 140.248.0.0/16 143.180.0.0/14"
> ROUTES="$ROUTES 143.184.0.0/15 146.152.0.0/16 156.153.0.0/16"
> ROUTES="$ROUTES 163.33.0.0/16 194.234.16.0/23 198.175.0.0/16"
> ROUTES="$ROUTES 198.93.0.0/16 204.30.0.0/16"
>
> MASKS[1]="128.0.0.0"
> MASKS[2]="192.0.0.0"
> MASKS[3]="224.0.0.0"
> MASKS[4]="240.0.0.0"
> MASKS[5]="248.0.0.0"
> MASKS[6]="252.0.0.0"
> MASKS[7]="254.0.0.0"
> MASKS[8]="255.0.0.0"
> MASKS[9]="255.128.0.0"
> MASKS[10]="255.192.0.0"
> MASKS[11]="255.224.0.0"
> MASKS[12]="255.240.0.0"
> MASKS[13]="255.248.0.0"
> MASKS[14]="255.252.0.0"
> MASKS[15]="255.254.0.0"
> MASKS[16]="255.255.0.0"
> MASKS[17]="255.255.128.0"
> MASKS[18]="255.255.192.0"
> MASKS[19]="255.255.224.0"
> MASKS[20]="255.255.240.0"
> MASKS[21]="255.255.248.0"
> MASKS[22]="255.255.252.0"
> MASKS[23]="255.255.254.0"
> MASKS[24]="255.255.255.0"
> MASKS[25]="255.255.255.128"
> MASKS[26]="255.255.255.192"
> MASKS[27]="255.255.255.224"
> MASKS[28]="255.255.255.240"
> MASKS[29]="255.255.255.248"
> MASKS[30]="255.255.255.252"
> MASKS[31]="255.255.255.254"
>
> export CISCO_SPLIT_INC=0
>
> function addroute()
> {
>    local ROUTE="$1"
>    export CISCO_SPLIT_INC_${CISCO_SPLIT_INC}_ADDR=${ROUTE%%/*}
>    export CISCO_SPLIT_INC_${CISCO_SPLIT_INC}_MASKLEN=${ROUTE##*/}
>    export CISCO_SPLIT_INC_${CISCO_SPLIT_INC}_MASK=${MASKS[${ROUTE##*/}]}
>    export CISCO_SPLIT_INC=$((${CISCO_SPLIT_INC}+1))
> }
>
> function translateroute ()
> {
>    local IPADDR="${1%%/*}"
>    local MASKLEN="${1##*/}"
>    local OCTET1="$(echo $IPADDR | cut -f1 -d.)"
>    local OCTET2="$(echo $IPADDR | cut -f2 -d.)"
>    local OCTET3="$(echo $IPADDR | cut -f3 -d.)"
>    local OCTET4="$(echo $IPADDR | cut -f4 -d.)"
>
>    local NUMADDR=$(($OCTET1*16581375 + $OCTET2*65536 + $OCTET3*256 +
> $OCTET4))
>    local NUMADDR=$(($OCTET4*16581375 + $OCTET3*65536 + $OCTET2*256 +
> $OCTET1))
>    if [ "$ROUTESKEY" = "" ]; then
>        ROUTESKEY="$NUMADDR,$MASKLEN,0,0"
>    else
>        ROUTESKEY="$ROUTESKEY,$NUMADDR,$MASKLEN,0,0"
>    fi
> }
>
>
>
>
> for r in $ROUTES; do
>    addroute $r
> done
>
> exec /etc/vpnc/vpnc-script
> #echo [$ROUTESKEY]
>
> --
> dwmw2
>
>
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