openconnect: fix a couple of minor things and add an interface option

Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>

net/openconnect/files/openconnect.sh

@@ -10,6 +10,9 @@ proto_openconnect_init_config() {
 	proto_config_add_string "serverhash"
 	proto_config_add_string "authgroup"
 	proto_config_add_string "password"
+	proto_config_add_string "token_mode"
+	proto_config_add_string "token_secret"
+	proto_config_add_string "interface"
 	no_device=1
 	available=1
 }
@@ -17,14 +20,14 @@ proto_openconnect_init_config() {
 proto_openconnect_setup() {
 	local config="$1"
 
-	json_get_vars server port username serverhash authgroup password vgroup token_mode token_secret
+	json_get_vars server port username serverhash authgroup password interface token_mode token_secret
 
 	grep -q tun /proc/modules || insmod tun
 
 	logger -t openconnect "initializing..."
 	serv_addr=
 	for ip in $(resolveip -t 10 "$server"); do
-		( proto_add_host_dependency "$config" "$ip" )
+		( proto_add_host_dependency "$config" "$ip" $interface )
 		serv_addr=1
 	done
 	[ -n "$serv_addr" ] || {
@@ -57,7 +60,8 @@ proto_openconnect_setup() {
 	[ -n "$username" ] && append cmdline "-u $username"
 	[ -n "$password" ] && {
 		umask 077
-		pwfile="/var/run/openconnect-$config.passwd"
+		mkdir -p /var/etc
+		pwfile="/var/etc/openconnect-$config.passwd"
 		echo "$password" > "$pwfile"
 		append cmdline "--passwd-on-stdin"
 	}
@@ -78,7 +82,7 @@ proto_openconnect_setup() {
 proto_openconnect_teardown() {
 	local config="$1"
 
-	pwfile="/var/run/openconnect-$config.passwd"
+	pwfile="/var/etc/openconnect-$config.passwd"
 
 	rm -f $pwfile
 	logger -t openconnect "bringing down openconnect"