netifd: read udhcpc user scripts from directory

Placeholder DHCP user scripts were added recently.

These files make package-based installations of such scripts more difficult.
Pull user callbacks from directories instead to allow packages and users to
install co-existing scripts more easily.

References:
130118f7a netifd: add a udhcpc.user placeholder script

Signed-off-by: Leon M. George <[email protected]>
Signed-off-by: Hans Dedecker <[email protected]> [PKG_RELEASE increase]

package/network/config/netifd/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=netifd
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/netifd.git
@@ -27,6 +27,7 @@ endef
 
 define Package/netifd/conffiles
 /etc/udhcpc.user
+/etc/udhcpc.user.d/
 endef
 
 TARGET_CFLAGS += \
@@ -44,6 +45,7 @@ define Package/netifd/install
 	$(INSTALL_DIR) $(1)/sbin
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/netifd $(1)/sbin/
 	$(CP) ./files/* $(1)/
+	$(INSTALL_DIR) $(1)/etc/udhcpc.user.d/
 	$(CP) $(PKG_BUILD_DIR)/scripts/* $(1)/lib/netifd/
 endef
 

package/network/config/netifd/files/lib/netifd/dhcp.script

@@ -112,5 +112,8 @@ esac
 
 # user rules
 [ -f /etc/udhcpc.user ] && . /etc/udhcpc.user "$@"
+for f in /etc/udhcpc.user.d/*; do
+	[ -f "$f" ] && (. "$f" "$@")
+done
 
 exit 0