apparmor: move initcalls to the LSM framework

Reviewed-by: Kees Cook <kees@kernel.org>
Acked-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

Author: pcmoore

security/apparmor/apparmorfs.c

@@ -2649,7 +2649,7 @@ 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;
@@ -2728,5 +2728,3 @@ static int __init aa_create_aafs(void)
 	AA_ERROR("Error creating AppArmor securityfs\n");
 	return error;
 }
-
-fs_initcall(aa_create_aafs);

security/apparmor/crypto.c

@@ -53,10 +53,9 @@ int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start,
 	return 0;
 }
 
-static int __init init_profile_hash(void)
+int __init init_profile_hash(void)
 {
 	if (apparmor_initialized)
 		aa_info_message("AppArmor sha256 policy hashing enabled");
 	return 0;
 }
-late_initcall(init_profile_hash);

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,

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,

security/apparmor/lsm.c

@@ -32,6 +32,7 @@
 #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"
@@ -2426,7 +2427,6 @@ static int __init apparmor_nf_ip_init(void)
 
 	return 0;
 }
-__initcall(apparmor_nf_ip_init);
 #endif
 
 static char nulldfa_src[] __aligned(8) = {
@@ -2560,4 +2560,11 @@ 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
 };