Make Smack operate on smack_known struct where it still used char*
Smack used to use a mix of smack_known struct and char* throughout its
APIs and implementation. This patch unifies the behaviour and makes it
store and operate exclusively on smack_known struct pointers when managing
labels.
Signed-off-by: Lukasz Pawelczyk <l.pawelczyk@samsung.com>
Conflicts:
security/smack/smack_access.c
security/smack/smack_lsm.c
diff --git a/security/smack/smack.h b/security/smack/smack.h
index 2d13d5f..b828a37 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -71,11 +71,11 @@
#define SMK_CIPSOLEN 24
struct superblock_smack {
- char *smk_root;
- char *smk_floor;
- char *smk_hat;
- char *smk_default;
- int smk_initialized;
+ struct smack_known *smk_root;
+ struct smack_known *smk_floor;
+ struct smack_known *smk_hat;
+ struct smack_known *smk_default;
+ int smk_initialized;
};
struct socket_smack {
@@ -88,7 +88,7 @@
* Inode smack data
*/
struct inode_smack {
- char *smk_inode; /* label of the fso */
+ struct smack_known *smk_inode; /* label of the fso */
struct smack_known *smk_task; /* label of the task */
struct smack_known *smk_mmap; /* label of the mmap domain */
struct mutex smk_lock; /* initialization lock */
@@ -112,7 +112,7 @@
struct smack_rule {
struct list_head list;
struct smack_known *smk_subject;
- char *smk_object;
+ struct smack_known *smk_object;
int smk_access;
};
@@ -123,7 +123,7 @@
struct list_head list;
struct sockaddr_in smk_host; /* network address */
struct in_addr smk_mask; /* network mask */
- char *smk_label; /* label */
+ struct smack_known *smk_label; /* label */
};
/*
@@ -227,23 +227,23 @@
/*
* These functions are in smack_lsm.c
*/
-struct inode_smack *new_inode_smack(char *);
+struct inode_smack *new_inode_smack(struct smack_known *);
/*
* These functions are in smack_access.c
*/
int smk_access_entry(char *, char *, struct list_head *);
-int smk_access(struct smack_known *, char *, int, struct smk_audit_info *);
-int smk_tskacc(struct task_smack *, char *, u32, struct smk_audit_info *);
-int smk_curacc(char *, u32, struct smk_audit_info *);
+int smk_access(struct smack_known *, struct smack_known *,
+ int, struct smk_audit_info *);
+int smk_tskacc(struct task_smack *, struct smack_known *,
+ u32, struct smk_audit_info *);
+int smk_curacc(struct smack_known *, u32, struct smk_audit_info *);
struct smack_known *smack_from_secid(const u32);
char *smk_parse_smack(const char *string, int len);
int smk_netlbl_mls(int, char *, struct netlbl_lsm_secattr *, int);
-char *smk_import(const char *, int);
struct smack_known *smk_import_entry(const char *, int);
void smk_insert_entry(struct smack_known *skp);
struct smack_known *smk_find_entry(const char *);
-u32 smack_to_secid(const char *);
/*
* Shared data.
@@ -253,7 +253,7 @@
extern struct smack_known *smack_net_ambient;
extern struct smack_known *smack_onlycap;
extern struct smack_known *smack_syslog_label;
-extern const char *smack_cipso_option;
+extern struct smack_known smack_cipso_option;
extern int smack_ptrace_rule;
extern struct smack_known smack_known_floor;
@@ -282,9 +282,9 @@
}
/*
- * Present a pointer to the smack label in an inode blob.
+ * Present a pointer to the smack label entry in an inode blob.
*/
-static inline char *smk_of_inode(const struct inode *isp)
+static inline struct smack_known *smk_of_inode(const struct inode *isp)
{
struct inode_smack *sip = isp->i_security;
return sip->smk_inode;