4 files changed, 44 insertions, 28 deletions
diff --git a/examples/proto/ppp.sh b/examples/proto/ppp.sh
index f0d0ca3..4750f40 100755
--- a/examples/proto/ppp.sh
+++ b/examples/proto/ppp.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
-DUMMY=1
-. ../../scripts/netifd-proto.sh
+NETIFD_MAIN_DIR=../../scripts
+. $NETIFD_MAIN_DIR/netifd-proto.sh
 
 init_proto "$@"
 
diff --git a/examples/proto/pptp.sh b/examples/proto/pptp.sh
index 5189e95..7c8a13d 100755
--- a/examples/proto/pptp.sh
+++ b/examples/proto/pptp.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
-. ../../scripts/netifd-proto.sh
+NETIFD_MAIN_DIR=../../scripts
+. $NETIFD_MAIN_DIR/netifd-proto.sh
+
 init_proto "$@"
 
 proto_pptp_init_config() {
diff --git a/scripts/netifd-proto.sh b/scripts/netifd-proto.sh
index 6f20de9..76dcd8d 100755
--- a/scripts/netifd-proto.sh
+++ b/scripts/netifd-proto.sh
@@ -1,37 +1,18 @@
-. /usr/share/libubox/jshn.sh
-
-append() {
-	local var="$1"
-	local value="$2"
-	local sep="${3:- }"
-
-	eval "export -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
-}
+NETIFD_MAIN_DIR="${NETIFD_MAIN_DIR:-/lib/netifd}"
 
-proto_config_add_generic() {
-	json_add_array ""
-	json_add_string "" "$1"
-	json_add_int "" "$2"
-	json_close_array
-}
+. /usr/share/libubox/jshn.sh
+. $NETIFD_MAIN_DIR/utils.sh
 
 proto_config_add_int() {
-	proto_config_add_generic "$1" 5
+	_config_add_generic "$1" 5
 }
 
 proto_config_add_string() {
-	proto_config_add_generic "$1" 3
+	_config_add_generic "$1" 3
 }
 
 proto_config_add_boolean() {
-	proto_config_add_generic "$1" 7
-}
-
-add_default_handler() {
-	case "$(type $1 2>/dev/null)" in
-		*function*) return;;
-		*) eval "$1() { return; }"
-	esac
+	_config_add_generic "$1" 7
 }
 
 _proto_do_teardown() {
diff --git a/scripts/utils.sh b/scripts/utils.sh
new file mode 100644
index 0000000..6a137c0
--- /dev/null
+++ b/scripts/utils.sh
@@ -0,0 +1,33 @@
+append() {
+	local var="$1"
+	local value="$2"
+	local sep="${3:- }"
+
+	eval "export -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
+}
+
+add_default_handler() {
+	case "$(type $1 2>/dev/null)" in
+		*function*) return;;
+		*) eval "$1() { return; }"
+	esac
+}
+
+_config_add_generic() {
+	json_add_array ""
+	json_add_string "" "$1"
+	json_add_int "" "$2"
+	json_close_array
+}
+
+config_add_int() {
+	_config_add_generic "$1" 5
+}
+
+config_add_string() {
+	_config_add_generic "$1" 3
+}
+
+config_add_boolean() {
+	_config_add_generic "$1" 7
+}