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selftests/kexec: make kexec_load test independent of IMA being enabled 

Verify IMA is enabled before failing tests or emitting irrelevant
messages.

Suggested-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Reviewed-by: Dave Young <dyoung@redhat.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Mimi Zohar 2019-03-25 14:13:27 -04:00 committed by Shuah Khan
parent 7cea0b9227
commit 726ff75f29
1 changed files with 16 additions and 8 deletions
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24
tools/testing/selftests/kexec/test_kexec_load.sh
View File

@ -1,8 +1,8 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Loading a kernel image via the kexec_load syscall should fail
# when the kernel is CONFIG_KEXEC_VERIFY_SIG enabled and the system
# is booted in secureboot mode.
#
# Prevent loading a kernel image via the kexec_load syscall when
# signatures are required. (Dependent on CONFIG_IMA_ARCH_POLICY.)
TEST="$0"
. ./kexec_common_lib.sh
@ -18,20 +18,28 @@ if [ $? -eq 0 ]; then
log_skip "kexec_load is not enabled"
fi
kconfig_enabled "CONFIG_IMA_APPRAISE=y" "IMA enabled"
ima_appraise=$?
kconfig_enabled "CONFIG_IMA_ARCH_POLICY=y" \
"IMA architecture specific policy enabled"
arch_policy=$?
get_secureboot_mode
secureboot=$?
# kexec_load should fail in secure boot mode
# kexec_load should fail in secure boot mode and CONFIG_IMA_ARCH_POLICY enabled
kexec --load $KERNEL_IMAGE > /dev/null 2>&1
if [ $? -eq 0 ]; then
kexec --unload
if [ $secureboot -eq 1 ]; then
if [ $secureboot -eq 1 ] && [ $arch_policy -eq 1 ]; then
log_fail "kexec_load succeeded"
else
log_pass "kexec_load succeeded"
elif [ $ima_appraise -eq 0 -o $arch_policy -eq 0 ]; then
log_info "Either IMA or the IMA arch policy is not enabled"
fi
log_pass "kexec_load succeeded"
else
if [ $secureboot -eq 1 ]; then
if [ $secureboot -eq 1 ] && [ $arch_policy -eq 1 ] ; then
log_pass "kexec_load failed"
else
log_fail "kexec_load failed"