X-Git-Url: https://git.grml.org/?p=grml-autoconfig.git;a=blobdiff_plain;f=etc%2Fgrml%2Fpump-script;fp=etc%2Fgrml%2Fpump-script;h=2d0ef13a2a7fea13dcf7b6309d6d0135ec4bea83;hp=0000000000000000000000000000000000000000;hb=98b0e91f4ac3801dd6d084f39e7c112e211e0a40;hpb=0623d5bfb8b8ef5553716ba9cfcec9eaec9cb065

diff --git a/etc/grml/pump-script b/etc/grml/pump-script
new file mode 100644
index 0000000..2d0ef13
--- /dev/null
+++ b/etc/grml/pump-script
@@ -0,0 +1,22 @@
+#!/bin/sh
+# PUMP Script
+# $1 Calling circumstance (up, renewal, down)
+# $2 interface
+# $3 ip
+
+# Exit early, if we're not being called for the initial lease
+[ "$1" != "up" ] && exit 0
+
+# See if we're needed at all, only run when booted with dhcphostname
+for i in $(cat /proc/cmdline)
+do
+	if [ "$i" = "dhcphostname" ]
+	then
+		# dhcphostname is set, get the PTR for the ip
+		hostname=$(host $3 | awk '{ print substr($5, 0, length($5)-1) }')
+		if [ -n "$hostname" ]
+		then
+			echo $hostname > /etc/hostname
+		fi
+	fi
+done