diff options
| author |   Casey Schaufler <casey@schaufler-ca.com> | 2018-11-12 09:30:56 -0800 |
|---|---|---|
| committer |   Kees Cook <keescook@chromium.org> | 2019-01-08 13:18:44 -0800 |
| commit | bbd3662a834813730912a58efb44dd6df6d952e6 (patch) | |
| tree | f4c0252814e717185845bde03fe88d341d5967b5 /security/tomoyo/tomoyo.c | |
| parent | TOMOYO: Abstract use of cred security blob (diff) | |
| download | linux-dev-bbd3662a834813730912a58efb44dd6df6d952e6.tar.xz linux-dev-bbd3662a834813730912a58efb44dd6df6d952e6.zip | |
Infrastructure management of the cred security blob
Move management of the cred security blob out of the
security modules and into the security infrastructre.
Instead of allocating and freeing space the security
modules tell the infrastructure how much space they
require.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
[kees: adjusted for ordered init series]
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'security/tomoyo/tomoyo.c')
| -rw-r--r-- | security/tomoyo/tomoyo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c index 15864307925d..9094cf41a247 100644 --- a/security/tomoyo/tomoyo.c +++ b/security/tomoyo/tomoyo.c @@ -509,6 +509,10 @@ static int tomoyo_socket_sendmsg(struct socket *sock, struct msghdr *msg, return tomoyo_socket_sendmsg_permission(sock, msg, size); } +struct lsm_blob_sizes tomoyo_blob_sizes __lsm_ro_after_init = { + .lbs_cred = sizeof(struct tomoyo_domain_info *), +}; + /* * tomoyo_security_ops is a "struct security_operations" which is used for * registering TOMOYO. @@ -562,6 +566,7 @@ static int __init tomoyo_init(void) /* register ourselves with the security framework */ security_add_hooks(tomoyo_hooks, ARRAY_SIZE(tomoyo_hooks), "tomoyo"); printk(KERN_INFO "TOMOYO Linux initialized\n"); + lsm_early_cred(cred); blob = tomoyo_cred(cred); *blob = &tomoyo_kernel_domain; tomoyo_mm_init(); @@ -573,5 +578,6 @@ DEFINE_LSM(tomoyo) = { .name = "tomoyo", .enabled = &tomoyo_enabled, .flags = LSM_FLAG_LEGACY_MAJOR | LSM_FLAG_EXCLUSIVE, + .blobs = &tomoyo_blob_sizes, .init = tomoyo_init, }; |