Commit ac3c47ce authored by Paul Moore's avatar Paul Moore
Browse files

lsm: output available LSMs when debugging



This will display all of the LSMs built into the kernel, regardless
of if they are enabled or not.

Reviewed-by: default avatarCasey Schaufler <casey@schaufler-ca.com>
Reviewed-by: default avatarJohn Johansen <john.johhansen@canonical.com>
Reviewed-by: default avatarMimi Zohar <zohar@linux.ibm.com>
Signed-off-by: default avatarPaul Moore <paul@paul-moore.com>
parent 5137e583
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+18 −1
Original line number Diff line number Diff line
@@ -363,6 +363,8 @@ int __init early_security_init(void)
{
	struct lsm_info *lsm;

	/* NOTE: lsm_pr_dbg() doesn't work here as lsm_debug is not yet set */

	lsm_early_for_each_raw(lsm) {
		lsm_enabled_set(lsm, true);
		lsm_order_append(lsm, "early");
@@ -385,9 +387,24 @@ int __init security_init(void)
	struct lsm_info **lsm;

	if (lsm_debug) {
		lsm_pr("built-in LSM list: %s\n", lsm_order_builtin);
		struct lsm_info *i;

		cnt = 0;
		lsm_pr("available LSMs: ");
		lsm_early_for_each_raw(i)
			lsm_pr_cont("%s%s(E)", (cnt++ ? "," : ""), i->id->name);
		lsm_for_each_raw(i)
			lsm_pr_cont("%s%s", (cnt++ ? "," : ""), i->id->name);
		lsm_pr_cont("\n");

		lsm_pr("built-in LSM config: %s\n", lsm_order_builtin);

		lsm_pr("legacy LSM parameter: %s\n", lsm_order_legacy);
		lsm_pr("boot LSM parameter: %s\n", lsm_order_cmdline);

		/* see the note about lsm_pr_dbg() in early_security_init() */
		lsm_early_for_each_raw(i)
			lsm_pr("enabled LSM early:%s\n", i->id->name);
	}

	if (lsm_order_cmdline) {