distro: add some install hooks

install-hooks/distro-files

@@ -0,0 +1,13 @@
+#!/usr/bin/bash
+
+case "$1" in
+pre)
+	;;
+post)
+	mkdir -p /var/log
+	mkdir -p /var/run
+	mkdir -p /var/lib
+	;;
+esac
+
+exit 0

install-hooks/shadow

@@ -0,0 +1,15 @@
+#!/usr/bin/bash
+
+case "$1" in
+	pre)
+	
+		;;
+	post)
+		chmod 4755 /usr/bin/passwd
+		chmod 4755 /bin/su
+		chmod 4755 /usr/bin/chsh
+		chmod 4755 /usr/bin/chfn
+		;;
+esac
+
+exit 0

install-hooks/sudo

@@ -0,0 +1,12 @@
+#!/usr/bin/bash
+
+case "$1" in
+	pre)
+	
+		;;
+	post)
+		chmod 4755 /usr/bin/sudo
+		;;
+esac
+
+exit 0