wifidog: fix getting ip from interface, cleanup

Patch taken from upstream fixes an Invalid argument error while trying
to get the IP address of an interface.
Makefile was updated to current style.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>

net/wifidog/Makefile

@@ -9,27 +9,20 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=wifidog
 PKG_VERSION:=1.3.0
-PKG_RELEASE:=3
-
-
-PKG_LICENSE:=GPL-2.0
-# Note: Packaging is maintained upstream at
-# https://github.com/wifidog/packages
-PKG_MAINTAINER:=Michael Haas <haas@computerlinguist.org>
-PKG_LICENSE_FILES:=COPYING
-
+PKG_RELEASE:=4
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/wifidog/wifidog-gateway
-PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=1.3.0
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
+PKG_SOURCE_VERSION:=$(PKG_VERSION)
 PKG_MIRROR_HASH:=9ffd9f3ae54baceb723abb7a04e27a9b6a3ff1479f8a3bfda9b8a496e8b4050f
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
+
+PKG_MAINTAINER:=Michael Haas <haas@computerlinguist.org>
+PKG_LICENSE:=GPL-2.0-or-later
+PKG_LICENSE_FILES:=COPYING
 
 PKG_FIXUP:=autoreconf
-# do not run make install
 PKG_INSTALL:=0
-PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)
 
 include $(INCLUDE_DIR)/package.mk
 
@@ -49,7 +42,7 @@ endef
 
 define Package/wifidog-tls
 $(call Package/wifidog/Default)
-  DEPENDS+= +libcyassl
+  DEPENDS+= +PACKAGE_wifidog-tls:libwolfssl
   VARIANT:=tls
 endef
 
@@ -73,11 +66,6 @@ endef
 
 Package/wifidog-tls/conffiles = $(Package/wifidog/conffiles)
 
-
-define Package/wifidog/configure
-	$(call Build/Configure/Default)
-endef
-
 ifeq ($(BUILD_VARIANT),tls)
 
 CONFIGURE_ARGS += \
@@ -90,7 +78,7 @@ define Package/wifidog/install
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/wifidog $(1)/usr/bin/
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/wdctl $(1)/usr/bin/
 	$(INSTALL_DIR) $(1)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libhttpd.so* $(1)/usr/lib/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libhttpd.so.* $(1)/usr/lib/
 	$(INSTALL_DIR) $(1)/etc
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/wifidog.conf $(1)/etc/
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/wifidog-msg.html $(1)/etc/

net/wifidog/patches/020-Modify-get-ip-from-iface-method.patch

@@ -0,0 +1,28 @@
+From 37b2dda9b1d62eb91028f6d590beddd36f7b79c8 Mon Sep 17 00:00:00 2001
+From: Nathan Samson <nathan@nathansamson.be>
+Date: Mon, 1 Feb 2016 21:37:22 +0100
+Subject: [PATCH] Modify get ip from iface method.
+
+This used to use a RAW socket, while now it used a DGRAM socket.
+Previously it failed with operation not permitted, while this version
+seems to work reliably.
+
+diff --git a/src/util.c b/src/util.c
+index 46ec5a2..426ba13 100644
+--- a/src/util.c
++++ b/src/util.c
+@@ -174,11 +174,13 @@ get_iface_ip(const char *ifname)
+     u_int32_t ip;
+ 
+     /* Create a socket */
+-    if ((sockd = socket(AF_INET, SOCK_RAW, htons(0x8086))) < 0) {
++    if ((sockd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+         debug(LOG_ERR, "socket(): %s", strerror(errno));
+         return NULL;
+     }
+ 
++     /* I want to get an IPv4 IP address */
++    if_data.ifr_addr.sa_family = AF_INET;
+     /* Get IP of internal interface */
+     strncpy(if_data.ifr_name, ifname, 15);
+     if_data.ifr_name[15] = '\0';