LSM/Audit: Introduce generic Audit LSM hooks

[mv-sheeva.git] / security / dummy.c

diff --git a/security/dummy.c b/security/dummy.c
index 649326bf64ea37e82afe63901560f96c687a468b..1ac9f8e66aa2970a6905c582520ac92123dc932b 100644 (file)
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -181,8 +181,7 @@ static void dummy_sb_free_security (struct super_block *sb)
        return;
 }
 
-static int dummy_sb_copy_data (struct file_system_type *type,
-                              void *orig, void *copy)
+static int dummy_sb_copy_data (char *orig, char *copy)
 {
        return 0;
 }
@@ -245,19 +244,17 @@ static void dummy_sb_post_pivotroot (struct nameidata *old_nd, struct nameidata
        return;
 }
 
-static int dummy_sb_get_mnt_opts(const struct super_block *sb, char ***mount_options,
-                                int **flags, int *num_opts)
+static int dummy_sb_get_mnt_opts(const struct super_block *sb,
+                                struct security_mnt_opts *opts)
 {
-       *mount_options = NULL;
-       *flags = NULL;
-       *num_opts = 0;
+       security_init_mnt_opts(opts);
        return 0;
 }
 
-static int dummy_sb_set_mnt_opts(struct super_block *sb, char **mount_options,
-                                int *flags, int num_opts)
+static int dummy_sb_set_mnt_opts(struct super_block *sb,
+                                struct security_mnt_opts *opts)
 {
-       if (unlikely(num_opts))
+       if (unlikely(opts->num_mnt_opts))
                return -EOPNOTSUPP;
        return 0;
 }
@@ -268,6 +265,11 @@ static void dummy_sb_clone_mnt_opts(const struct super_block *oldsb,
        return;
 }
 
+static int dummy_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
+{
+       return 0;
+}
+
 static int dummy_inode_alloc_security (struct inode *inode)
 {
        return 0;
@@ -422,6 +424,11 @@ static int dummy_inode_listsecurity(struct inode *inode, char *buffer, size_t bu
        return 0;
 }
 
+static void dummy_inode_getsecid(const struct inode *inode, u32 *secid)
+{
+       *secid = 0;
+}
+
 static int dummy_file_permission (struct file *file, int mask)
 {
        return 0;
@@ -540,7 +547,9 @@ static int dummy_task_getsid (struct task_struct *p)
 }
 
 static void dummy_task_getsecid (struct task_struct *p, u32 *secid)
-{ }
+{
+       *secid = 0;
+}
 
 static int dummy_task_setgroups (struct group_info *group_info)
 {
@@ -614,6 +623,11 @@ static int dummy_ipc_permission (struct kern_ipc_perm *ipcp, short flag)
        return 0;
 }
 
+static void dummy_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
+{
+       *secid = 0;
+}
+
 static int dummy_msg_msg_alloc_security (struct msg_msg *msg)
 {
        return 0;
@@ -979,6 +993,30 @@ static inline int dummy_key_permission(key_ref_t key_ref,
 }
 #endif /* CONFIG_KEYS */
 
+#ifdef CONFIG_AUDIT
+static inline int dummy_audit_rule_init(u32 field, u32 op, char *rulestr,
+                                       void **lsmrule)
+{
+       return 0;
+}
+
+static inline int dummy_audit_rule_known(struct audit_krule *krule)
+{
+       return 0;
+}
+
+static inline int dummy_audit_rule_match(u32 secid, u32 field, u32 op,
+                                        void *lsmrule,
+                                        struct audit_context *actx)
+{
+       return 0;
+}
+
+static inline void dummy_audit_rule_free(void *lsmrule)
+{ }
+
+#endif /* CONFIG_AUDIT */
+
 struct security_operations dummy_security_ops;
 
 #define set_to_dummy_if_null(ops, function)                            \
@@ -1028,6 +1066,7 @@ void security_fixup_ops (struct security_operations *ops)
        set_to_dummy_if_null(ops, sb_get_mnt_opts);
        set_to_dummy_if_null(ops, sb_set_mnt_opts);
        set_to_dummy_if_null(ops, sb_clone_mnt_opts);
+       set_to_dummy_if_null(ops, sb_parse_opts_str);
        set_to_dummy_if_null(ops, inode_alloc_security);
        set_to_dummy_if_null(ops, inode_free_security);
        set_to_dummy_if_null(ops, inode_init_security);
@@ -1055,6 +1094,7 @@ void security_fixup_ops (struct security_operations *ops)
        set_to_dummy_if_null(ops, inode_getsecurity);
        set_to_dummy_if_null(ops, inode_setsecurity);
        set_to_dummy_if_null(ops, inode_listsecurity);
+       set_to_dummy_if_null(ops, inode_getsecid);
        set_to_dummy_if_null(ops, file_permission);
        set_to_dummy_if_null(ops, file_alloc_security);
        set_to_dummy_if_null(ops, file_free_security);
@@ -1091,6 +1131,7 @@ void security_fixup_ops (struct security_operations *ops)
        set_to_dummy_if_null(ops, task_reparent_to_init);
        set_to_dummy_if_null(ops, task_to_inode);
        set_to_dummy_if_null(ops, ipc_permission);
+       set_to_dummy_if_null(ops, ipc_getsecid);
        set_to_dummy_if_null(ops, msg_msg_alloc_security);
        set_to_dummy_if_null(ops, msg_msg_free_security);
        set_to_dummy_if_null(ops, msg_queue_alloc_security);
@@ -1165,6 +1206,11 @@ void security_fixup_ops (struct security_operations *ops)
        set_to_dummy_if_null(ops, key_free);
        set_to_dummy_if_null(ops, key_permission);
 #endif /* CONFIG_KEYS */
-
+#ifdef CONFIG_AUDIT
+       set_to_dummy_if_null(ops, audit_rule_init);
+       set_to_dummy_if_null(ops, audit_rule_known);
+       set_to_dummy_if_null(ops, audit_rule_match);
+       set_to_dummy_if_null(ops, audit_rule_free);
+#endif
 }