Dropbear: use UCI to configure

Rather than erasing base-files configuration, now UCI is called to
disable root login with password.

crans-dropbear/Makefile

@@ -25,12 +25,12 @@ define Package/crans-dropbear
 endef
 
 define Package/crans-dropbear/description
- This installs Cr@ns authorized ssh keys and disables root login
+ This installs Cr@ns authorized ssh keys and disables root login via password
 endef
 
 define Package/crans-dropbear/conffiles
 /etc/dropbear/authorized_keys
-/etc/config/dropbear
+/etc/uci-defaults/99_crans_dropbear
 endef
 
 define Build/Configure
@@ -40,8 +40,8 @@ define Build/Compile
 endef
 
 define Package/crans-dropbear/install
-	$(INSTALL_DIR) $(1)/etc/config/
-	$(INSTALL_DATA) files/dropbear.config $(1)/etc/config/dropbear
+	$(INSTALL_DIR) $(1)/etc/uci-defaults/
+	$(INSTALL_DATA) files/dropbear.uci-defaults $(1)/etc/uci-defaults/99_crans_dropbear
 	install -d -m0700 $(1)/etc/dropbear/
 	$(INSTALL_CONF) files/authorized_keys $(1)/etc/dropbear/authorized_keys
 endef

crans-dropbear/files/dropbear.config

-config dropbear
-	option PasswordAuth 'on'
-	option RootPasswordAuth 'off'
-	option Port         '22'
-#	option BannerFile   '/etc/banner'

crans-dropbear/files/dropbear.uci-defaults

+#!/bin/sh
+
+# Disables root login via password
+
+uci -q batch <<-EOF >/dev/null
+	set dropbear.RootPasswordAuth='off'
+	commit dropbear
+EOF
+
+exit 0
+