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-rw-r--r--source3/client/cifs_resolver.sh51
1 files changed, 51 insertions, 0 deletions
diff --git a/source3/client/cifs_resolver.sh b/source3/client/cifs_resolver.sh
new file mode 100644
index 0000000000..aaf28a50c9
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+++ b/source3/client/cifs_resolver.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+###############################################################################
+#
+# Written by Igor Mammedov (niallain@gmail.com)
+# Modified by Steve French <sfrench@samba.org>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version
+# 2 of the License, or (at your option) any later version.
+#
+###############################################################################
+#
+# linux-cifs-client dns name resolver helper
+# called by cifs kernel module upcall to key API to resolve server name
+# to IP when module connects to DFS link. We may eventually make this
+# C code, but this is a good starting point.
+# You should have appropriate kernel and keyutils installed.
+# CIFS DFS Support will require Linux kernel module
+# cifs.ko version 1.48 or later.
+#
+# Consult the CIFS client users guide for more details
+# http://www.samba.org/samba/ftp/cifs-cvs/linux-cifs-client-guide.pdf
+#
+# Put the following string in /etc/request-key.conf without comment sign :)
+# create cifs_resolver * * /sbin/cifs_resolver.sh %k %d %S
+#
+# Put this script into /sbin directory
+# Call: /sbin/cifs_resolver.sh <keyid> <desc> <session-keyring>
+#
+# <desc> - is server name to resolve
+#
+
+status=0
+{
+ echo "cifs_resolver: resolving: $2"
+
+ DATAA=`/usr/bin/host $2`
+ status=$?
+
+ if [ "x$status" != "x0" ]; then
+ echo "cifs_resolver: failed to resolve: $2"
+ exit $status
+ else
+ DATAA=`echo "$DATAA" | sed 's/.*has address //'`
+ echo "cifs_resolver: resolved: $2 to $DATAA"
+ keyctl instantiate $1 "$DATAA" $3 || exit 1
+ fi
+
+} >&/dev/ttyS0
+exit $status