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openconnect: register split-dns to dnsmasq

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Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
This commit is contained in:
Nikos Mavrogiannopoulos 2015-01-10 09:22:36 +01:00
parent 4e216b8b28
commit c19342901a
1 changed files with 19 additions and 4 deletions
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23
net/openconnect/files/vpnc-script
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@ -46,8 +46,7 @@ HOOKS_DIR=/etc/openconnect
# Section B: Split DNS handling
# 1) Maybe dnsmasq can do something like that
# 2) Parse dns packets going out via tunnel and redirect them to original dns-server
# 1) We parse CISCO_SPLIT_DNS and use dnsmasq to set it
do_connect() {
if [ -n "$CISCO_BANNER" ]; then
@ -82,8 +81,23 @@ do_connect() {
[[ "$addr" != "$mask" ]] && proto_add_ipv6_address "$addr" "$mask"
fi
[ -n "$INTERNAL_IP4_DNS" ] && proto_add_dns_server "$INTERNAL_IP4_DNS"
[ -n "$CISCO_DEF_DOMAIN" ] && proto_add_dns_search "$CISCO_DEF_DOMAIN"
if [ -n "$CISCO_SPLIT_DNS" ] && [ -d "/tmp/dnsmasq.d/" ];then
SDNS=`echo $CISCO_SPLIT_DNS|sed 's/,/\n/g'`
DNSMASQ_FILE="/tmp/dnsmasq.d/openconnect.$TUNDEV"
rm -f $DNSMASQ_FILE
echo "$SDNS" | while read i; do
if [ -n "$INTERNAL_IP4_DNS" ];then
echo "server=/$i/$INTERNAL_IP4_DNS" >> $DNSMASQ_FILE
fi
if [ -n "$INTERNAL_IP6_DNS" ];then
echo "server=/$i/$INTERNAL_IP6_DNS" >> $DNSMASQ_FILE
fi
done
/etc/init.d/dnsmasq restart
else
[ -n "$INTERNAL_IP4_DNS" ] && proto_add_dns_server "$INTERNAL_IP4_DNS"
[ -n "$CISCO_DEF_DOMAIN" ] && proto_add_dns_search "$CISCO_DEF_DOMAIN"
fi
if [ -n "$CISCO_SPLIT_INC" ]; then
i=0
@ -120,6 +134,7 @@ do_connect() {
}
do_disconnect() {
rm -f "/tmp/dnsmasq.d/openconnect.$TUNDEV"
proto_init_update "$TUNDEV" 0
proto_send_update "$INTERFACE"
}