Make ibcs2 a little bit saver. Add copyright.

1 files changed, 35 insertions, 3 deletions

diff --git a/lkm/ibcs2/ibcs2 b/lkm/ibcs2/ibcs2
index 3f804bf..95bc831 100755
--- a/lkm/ibcs2/ibcs2
+++ b/lkm/ibcs2/ibcs2
@@ -1,5 +1,34 @@
 #!/bin/sh
-# $FreeBSD$
+#
+# Copyright (C) 1994-1997
+#	FreeBSD Inc.  All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY FreeBSD Inc. AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL FreeBSD Inc. OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+#	$FreeBSD$
+
+
+PATH=/bin:/sbin:/usr/bin:/usr/sbin; export PATH
+
 if [ $# -le 1 ]; then
 	LOADERS="coff" # elf
 fi
@@ -8,13 +37,16 @@ set -e
 
 kernelfile=`sysctl -n kern.bootfile`
 kernelfile=`basename $kernelfile`
-newkernelfile="/tmp/${kernelfile}+ibcs2"
+newkernelfile="/tmp/_${kernelfile}+ibcs2$$"
+
+trap 'rm -f $newkernelfile; exit 1' 1 2 3 13 15
 
+rm -f $newkernelfile
 modload -e ibcs2_mod -o $newkernelfile -q /lkm/ibcs2_mod.o
 
 for loader in $LOADERS; do
 	modload -e ibcs2_${loader}_mod -o/tmp/ibcs2_${loader} -q -u \
 		-A${newkernelfile} /lkm/ibcs2_${loader}_mod.o
 done
-rm ${newkernelfile}
+rm -f ${newkernelfile}
 set +e