[ -n "$tunnelid" -a -n "$username" -a \( -n "$password" -o -n "$updatekey" \) ] && {
[ -n "$updatekey" ] && password="$updatekey"
- local url="http://ipv4.tunnelbroker.net/nic/update?username=$username&password=$password&hostname=$tunnelid"
+ local http="http"
+ local wget_opts="-qO/dev/null"
+ if wget --version | grep -qF "+https"; then
+ http="https"
+ [ -z "$(find ${SSL_CERT_DIR-/etc/ssl/certs} -name "*.0" 2>/dev/null)" ] && {
+ wget_opts="$wget_opts --no-check-certificate"
+ }
+ fi
+
+ local url="$http://ipv4.tunnelbroker.net/nic/update?username=$username&password=$password&hostname=$tunnelid"
local try=0
local max=3
while [ $((++try)) -le $max ]; do
- ( exec wget -qO/dev/null "$url" 2>/dev/null ) &
+ ( exec wget $wget_opts "$url" 2>/dev/null ) &
local pid=$!
( sleep 5; kill $pid 2>/dev/null ) &
wait $pid && break