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From:   Mimi Zohar <zohar@linux.ibm.com>
To:     linux-integrity@vger.kernel.org
Cc:     linux-security-module@vger.kernel.org,
        linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
        David Howells <dhowells@redhat.com>,
        Dave Young <dyoung@redhat.com>,
        Eric Biederman <ebiederm@xmission.com>,
        Mimi Zohar <zohar@linux.ibm.com>
Subject: [PATCH 1/3] selftest/ima: cleanup the kexec selftest
Date:   Thu, 31 Jan 2019 13:55:34 -0500
In-Reply-To: <1548960936-7800-1-git-send-email-zohar@linux.ibm.com>
References: <1548960936-7800-1-git-send-email-zohar@linux.ibm.com>
Message-Id: <1548960936-7800-2-git-send-email-zohar@linux.ibm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Remove the few bashisms in the script and use the complete option name
for clarity.

Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
---
 tools/testing/selftests/ima/test_kexec_load.sh | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/tools/testing/selftests/ima/test_kexec_load.sh b/tools/testing/selftests/ima/test_kexec_load.sh
index 1c10093fb526..74423c4229e2 100755
--- a/tools/testing/selftests/ima/test_kexec_load.sh
+++ b/tools/testing/selftests/ima/test_kexec_load.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0+
 # Loading a kernel image via the kexec_load syscall should fail
-# when the kerne is CONFIG_KEXEC_VERIFY_SIG enabled and the system
+# when the kernel is CONFIG_KEXEC_VERIFY_SIG enabled and the system
 # is booted in secureboot mode.
 
 TEST="$0"
@@ -12,7 +12,7 @@ rc=0
 ksft_skip=4
 
 # kexec requires root privileges
-if [ $UID != 0 ]; then
+if [ $(id -ru) != 0 ]; then
 	echo "$TEST: must be run as root" >&2
 	exit $ksft_skip
 fi
@@ -33,17 +33,17 @@ secureboot=`hexdump $file | awk '{print substr($4,length($4),1)}'`
 
 # kexec_load should fail in secure boot mode
 KERNEL_IMAGE="/boot/vmlinuz-`uname -r`"
-kexec -l $KERNEL_IMAGE &>> /dev/null
-if [ $? == 0 ]; then
-	kexec -u
-	if [ "$secureboot" == "1" ]; then
+kexec --load $KERNEL_IMAGE 2>&1 /dev/null
+if [ $? -eq 0 ]; then
+	kexec --unload
+	if [ $secureboot -eq 1 ]; then
 		echo "$TEST: kexec_load succeeded [FAIL]"
 		rc=1
 	else
 		echo "$TEST: kexec_load succeeded [PASS]"
 	fi
 else
-	if [ "$secureboot" == "1" ]; then
+	if [ $secureboot -eq 1 ]; then
 		echo "$TEST: kexec_load failed [PASS]"
 	else
 		echo "$TEST: kexec_load failed [FAIL]"
-- 
2.7.5