[LTP] [PATCH 2/3] ima_setup.sh: Allow to load predefined policy

[Petr Vorel]

Hi Mimi, all,

...
> +load_ima_policy()
> +{
> +	local policy="$(ls $TST_DATAROOT/*.policy 2>/dev/null)"
> +
> +	if [ "$LTP_IMA_LOAD_POLICY" != 1 -a "$policy" -a -f "$policy" ]; then
> +		tst_res TINFO "NOTE: set LTP_IMA_LOAD_POLICY=1 to load policy for this test"
> +		return
> +	fi
> +
> +	if [ -z "$policy" -o ! -f "$policy" ]; then
> +		tst_res TINFO "no policy for this test"
FYI here needs to be a flag to not warn in the cleanup about needed reboot.

> +		return
> +	fi
> +
> +	tst_res TINFO "trying to load '$policy' policy:"
> +	cat $policy
> +	if ! check_policy_writable; then
> +		tst_res TINFO "WARNING: IMA policy already loaded and kernel not configured to enable multiple writes to it (need CONFIG_IMA_WRITE_POLICY=y), reboot required"
> +		return
> +	fi
> +
> +	cat "$policy" 2> log > $IMA_POLICY
> +	if grep -q "Device or resource busy" log; then
> +		tst_brk TBROK "Loading policy failed"
Also here.

diff, which should solve it.

Kind regards,
Petr

+++ testcases/kernel/security/integrity/ima/tests/ima_setup.sh
@@ -175,6 +175,7 @@ load_ima_policy()
 
 	if [ -z "$policy" -o ! -f "$policy" ]; then
 		tst_res TINFO "no policy for this test"
+		LTP_IMA_LOAD_POLICY=
 		return
 	fi
 
@@ -182,6 +183,7 @@ load_ima_policy()
 	cat $policy
 	if ! check_policy_writable; then
 		tst_res TINFO "WARNING: IMA policy already loaded and kernel not configured to enable multiple writes to it (need CONFIG_IMA_WRITE_POLICY=y), reboot required"
+		LTP_IMA_LOAD_POLICY=
 		return
 	fi