From 3c1e13638ed11047cfab0d69a9c4a2838f9c34a1 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 19 May 2014 18:20:23 -0400
Subject: Make /etc/network/ hierarchy.

---
diff --git a/build b/build
index 3d5cafc..17deddc 100755
--- a/build
+++ b/build
@@ -60,6 +60,12 @@ install: build
 		install -p -m 0644 ../src.var/www/index.html \
 			dest/var/www/index.html; \
 	fi; \
+	if config_enabled IFUPDOWN; then \
+		install -d -m 0755 dest/etc; \
+		for d in '' if-pre-up.d if-up.d if-down.d if-post-down.d; do \
+			install -d -m 0755 "dest/etc/network/$${dir}"; \
+		done; \
+	fi; \
 	if config_enabled UDHCPC; then \
 		install -d -m 0755 dest/usr/share/udhcpc; \
 		install -p -m 0755 ../src.usr/share/udhcpc/default.script \
diff --git a/busybox.pkg/postinst b/busybox.pkg/postinst
index d0a2cc3..d74c331 100755
--- a/busybox.pkg/postinst
+++ b/busybox.pkg/postinst
@@ -5,4 +5,14 @@ if [ "x${1}" = 'xconfigure' ]; then
 		update-alternatives --install "${link}" "${name}" \
 			"${link}.busybox" "${prio}"
 	done </usr/share/busybox/alternatives
+	if [ -d /etc/network ] && ! [ -f /etc/network/interfaces ]; then
+		exec 3>/etc/network/interfaces
+		printf 'auto lo\niface lo inet loopback\n\n' >&3
+		for iface in /sys/class/net/eth*; do
+			iface="${iface#*/}"
+			printf 'auto %s\niface %s inet dhcp\n\n' \
+				"${iface}" "${iface}" >&3
+		done
+		exec 3>&-
+	fi
 fi
diff --git a/changelog b/changelog
index ec838c5..04aefec 100644
--- a/changelog
+++ b/changelog
@@ -3,6 +3,8 @@ busybox (1.21.1-4) trunk
   * /etc/init.d/httpd: Add missing space in start message.
   * Install /usr/share/udhcpc/default.script to configure the network
     interface, routes, and nameservers with DHCP.
+  * Create /etc/network/ directory hierarchy and generate a default
+    /etc/network/interfaces file to configure the available interfaces.
 
  -- "P. J. McDermott" <pj@pehjota.net>  Mon, 19 May 2014 17:25:38 -0400
 
--
cgit v0.9.1