[RFC,23/29] apparmor: move initcalls to the LSM framework

Commit Message

Paul Moore April 9, 2025, 6:50 p.m. UTC

Signed-off-by: Paul Moore <[e-mail]>
---
 security/apparmor/apparmorfs.c         | 4 +---
 security/apparmor/crypto.c             | 4 +---
 security/apparmor/include/apparmorfs.h | 2 ++
 security/apparmor/include/crypto.h     | 1 +
 security/apparmor/lsm.c                | 9 ++++++++-
 5 files changed, 13 insertions(+), 7 deletions(-)

Comments

Kees Cook April 9, 2025, 11:44 p.m. UTC | #1

On Wed, Apr 09, 2025 at 02:50:08PM -0400, Paul Moore wrote:
> Signed-off-by: Paul Moore <[e-mail]>

Reviewed-by: Kees Cook <[e-mail]>

Patch

diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index 6039afae4bfc..0a7550a5bceb 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -2632,7 +2632,7 @@  static const struct inode_operations policy_link_iops = {
  *
  * Returns: error on failure
  */
-static int __init aa_create_aafs(void)
+int __init aa_create_aafs(void)
 {
 	struct dentry *dent;
 	int error;
@@ -2711,5 +2711,3 @@  static int __init aa_create_aafs(void)
 	AA_ERROR("Error creating AppArmor securityfs\n");
 	return error;
 }
-
-fs_initcall(aa_create_aafs);
diff --git a/security/apparmor/crypto.c b/security/apparmor/crypto.c
index aad486b2fca6..e4395c1bfac5 100644
--- a/security/apparmor/crypto.c
+++ b/security/apparmor/crypto.c
@@ -99,7 +99,7 @@  int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start,
 	return error;
 }
 
-static int __init init_profile_hash(void)
+int __init init_profile_hash(void)
 {
 	struct crypto_shash *tfm;
 
@@ -119,5 +119,3 @@  static int __init init_profile_hash(void)
 
 	return 0;
 }
-
-late_initcall(init_profile_hash);
diff --git a/security/apparmor/include/apparmorfs.h b/security/apparmor/include/apparmorfs.h
index 1e94904f68d9..dd580594dfb7 100644
--- a/security/apparmor/include/apparmorfs.h
+++ b/security/apparmor/include/apparmorfs.h
@@ -104,6 +104,8 @@  enum aafs_prof_type {
 #define prof_dir(X) ((X)->dents[AAFS_PROF_DIR])
 #define prof_child_dir(X) ((X)->dents[AAFS_PROF_PROFS])
 
+int aa_create_aafs(void);
+
 void __aa_bump_ns_revision(struct aa_ns *ns);
 void __aafs_profile_rmdir(struct aa_profile *profile);
 void __aafs_profile_migrate_dents(struct aa_profile *old,
diff --git a/security/apparmor/include/crypto.h b/security/apparmor/include/crypto.h
index 636a04e20d91..f3ffd388cc58 100644
--- a/security/apparmor/include/crypto.h
+++ b/security/apparmor/include/crypto.h
@@ -13,6 +13,7 @@ 
 #include "policy.h"
 
 #ifdef CONFIG_SECURITY_APPARMOR_HASH
+int init_profile_hash(void);
 unsigned int aa_hash_size(void);
 char *aa_calc_hash(void *data, size_t len);
 int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start,
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index a7f6a3274682..2fefaab6349f 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -31,6 +31,7 @@ 
 #include "include/audit.h"
 #include "include/capability.h"
 #include "include/cred.h"
+#include "include/crypto.h"
 #include "include/file.h"
 #include "include/ipc.h"
 #include "include/net.h"
@@ -2146,7 +2147,6 @@  static int __init apparmor_nf_ip_init(void)
 
 	return 0;
 }
-__initcall(apparmor_nf_ip_init);
 #endif
 
 static char nulldfa_src[] = {
@@ -2277,4 +2277,11 @@  DEFINE_LSM(apparmor) = {
 	.enabled = &apparmor_enabled,
 	.blobs = &apparmor_blob_sizes,
 	.init = apparmor_init,
+	.initcall_fs = aa_create_aafs,
+#if defined(CONFIG_NETFILTER) && defined(CONFIG_NETWORK_SECMARK)
+	.initcall_device = apparmor_nf_ip_init,
+#endif
+#ifdef CONFIG_SECURITY_APPARMOR_HASH
+	.initcall_late = init_profile_hash,
+#endif
 };