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Commit 47008e51 authored by Kees Cook's avatar Kees Cook
Browse files

LSM: Introduce LSM_FLAG_LEGACY_MAJOR 



This adds a flag for the current "major" LSMs to distinguish them when
we have a universal method for ordering all LSMs. It's called "legacy"
since the distinction of "major" will go away in the blob-sharing world.

Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Reviewed-by: default avatarCasey Schaufler <casey@schaufler-ca.com>
Reviewed-by: default avatarJohn Johansen <john.johansen@canonical.com>
parent bfeffd15

include/linux/lsm_hooks.h

+3 −0
Original line number Diff line number Diff line
@@ -2042,8 +2042,11 @@ extern char *lsm_names; 
extern void security_add_hooks(struct security_hook_list *hooks, int count,

				char *lsm);



#define LSM_FLAG_LEGACY_MAJOR	BIT(0)



struct lsm_info {

	const char *name;	/* Required. */

	unsigned long flags;	/* Optional: flags describing LSM */

	int (*init)(void);	/* Required. */

};

security/apparmor/lsm.c

+1 −0
Original line number Diff line number Diff line
@@ -1729,5 +1729,6 @@ static int __init apparmor_init(void) 


DEFINE_LSM(apparmor) = {

	.name = "apparmor",

	.flags = LSM_FLAG_LEGACY_MAJOR,

	.init = apparmor_init,

};

security/selinux/hooks.c

+1 −0
Original line number Diff line number Diff line
@@ -6999,6 +6999,7 @@ void selinux_complete_init(void) 
   all processes and objects when they are created. */

DEFINE_LSM(selinux) = {

	.name = "selinux",

	.flags = LSM_FLAG_LEGACY_MAJOR,

	.init = selinux_init,

};

security/smack/smack_lsm.c

+1 −0
Original line number Diff line number Diff line
@@ -4812,5 +4812,6 @@ static __init int smack_init(void) 
 */

DEFINE_LSM(smack) = {

	.name = "smack",

	.flags = LSM_FLAG_LEGACY_MAJOR,

	.init = smack_init,

};

security/tomoyo/tomoyo.c

+1 −0
Original line number Diff line number Diff line
@@ -552,5 +552,6 @@ static int __init tomoyo_init(void) 


DEFINE_LSM(tomoyo) = {

	.name = "tomoyo",

	.flags = LSM_FLAG_LEGACY_MAJOR,

	.init = tomoyo_init,

};