openconnect: allow specifying form_entry list

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

net/openconnect/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=openconnect
 PKG_VERSION:=8.04
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=ftp://ftp.infradead.org/pub/openconnect/

net/openconnect/README

@@ -33,6 +33,9 @@ config interface 'MYVPN'
 	# Juniper vpn support
 	#option juniper '1'
 
+	# Authentication form responses
+	#list form_entry FORM:OPT=VAL
+
 The additional files are also used:
 /etc/openconnect/user-cert-vpn-MYVPN.pem: The user certificate
 /etc/openconnect/user-key-vpn-MYVPN.pem: The user private key

net/openconnect/files/openconnect.sh

@@ -19,14 +19,19 @@ proto_openconnect_init_config() {
 	proto_config_add_string "token_script"
 	proto_config_add_string "os"
 	proto_config_add_string "csd_wrapper"
+	proto_config_add_array 'form_entry:regex("[^:]+:[^=]+=.*")'
 	no_device=1
 	available=1
 }
 
+proto_openconnect_add_form_entry() {
+	[ -n "$1" ] && append cmdline "--form-entry $1"
+}
+
 proto_openconnect_setup() {
 	local config="$1"
 
-	json_get_vars server port interface username serverhash authgroup password password2 token_mode token_secret token_script os csd_wrapper mtu juniper
+	json_get_vars server port interface username serverhash authgroup password password2 token_mode token_secret token_script os csd_wrapper mtu juniper form_entry
 
 	grep -q tun /proc/modules || insmod tun
 	ifname="vpn-$config"
@@ -88,6 +93,8 @@ proto_openconnect_setup() {
 	[ -n "$os" ] && append cmdline "--os=$os"
 	[ -n "$csd_wrapper" ] && [ -x "$csd_wrapper" ] && append cmdline "--csd-wrapper=$csd_wrapper"
 
+	json_for_each_item proto_openconnect_add_form_entry form_entry
+
 	proto_export INTERFACE="$config"
 	logger -t openconnect "executing 'openconnect $cmdline'"