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audit: clean up AUDITSYSCALL prototypes and stubs
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Pull together all the audit syscall watch, mark and tree prototypes and
stubs into the same ifdef.

Signed-off-by: Richard Guy Briggs <[email protected]>
Signed-off-by: Paul Moore <[email protected]>
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@rgbriggs @pcmoore
rgbriggs authored and pcmoore committed Jan 25, 2019
1 parent a252f56 commit 05c7a9c
Showing 1 changed file with 33 additions and 31 deletions.
64 changes: 33 additions & 31 deletions kernel/audit.h
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Original file line number Diff line number Diff line change
Expand Up @@ -268,25 +268,47 @@ extern void audit_log_d_path_exe(struct audit_buffer *ab,
extern struct tty_struct *audit_get_tty(void);
extern void audit_put_tty(struct tty_struct *tty);

/* audit watch functions */
/* audit watch/mark/tree functions */
#ifdef CONFIG_AUDITSYSCALL
extern void audit_put_watch(struct audit_watch *watch);
extern void audit_get_watch(struct audit_watch *watch);
extern int audit_to_watch(struct audit_krule *krule, char *path, int len, u32 op);
extern int audit_to_watch(struct audit_krule *krule, char *path, int len,
u32 op);
extern int audit_add_watch(struct audit_krule *krule, struct list_head **list);
extern void audit_remove_watch_rule(struct audit_krule *krule);
extern char *audit_watch_path(struct audit_watch *watch);
extern int audit_watch_compare(struct audit_watch *watch, unsigned long ino, dev_t dev);
extern int audit_watch_compare(struct audit_watch *watch, unsigned long ino,
dev_t dev);

extern struct audit_fsnotify_mark *audit_alloc_mark(struct audit_krule *krule, char *pathname, int len);
extern struct audit_fsnotify_mark *audit_alloc_mark(struct audit_krule *krule,
char *pathname, int len);
extern char *audit_mark_path(struct audit_fsnotify_mark *mark);
extern void audit_remove_mark(struct audit_fsnotify_mark *audit_mark);
extern void audit_remove_mark_rule(struct audit_krule *krule);
extern int audit_mark_compare(struct audit_fsnotify_mark *mark, unsigned long ino, dev_t dev);
extern int audit_mark_compare(struct audit_fsnotify_mark *mark,
unsigned long ino, dev_t dev);
extern int audit_dupe_exe(struct audit_krule *new, struct audit_krule *old);
extern int audit_exe_compare(struct task_struct *tsk, struct audit_fsnotify_mark *mark);
extern int audit_exe_compare(struct task_struct *tsk,
struct audit_fsnotify_mark *mark);

#else
extern struct audit_chunk *audit_tree_lookup(const struct inode *inode);
extern void audit_put_chunk(struct audit_chunk *chunk);
extern bool audit_tree_match(struct audit_chunk *chunk,
struct audit_tree *tree);
extern int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op);
extern int audit_add_tree_rule(struct audit_krule *rule);
extern int audit_remove_tree_rule(struct audit_krule *rule);
extern void audit_trim_trees(void);
extern int audit_tag_tree(char *old, char *new);
extern const char *audit_tree_path(struct audit_tree *tree);
extern void audit_put_tree(struct audit_tree *tree);
extern void audit_kill_trees(struct audit_context *context);

extern int audit_signal_info(int sig, struct task_struct *t);
extern void audit_filter_inodes(struct task_struct *tsk,
struct audit_context *ctx);
extern struct list_head *audit_killed_trees(void);
#else /* CONFIG_AUDITSYSCALL */
#define audit_put_watch(w) {}
#define audit_get_watch(w) {}
#define audit_to_watch(k, p, l, o) (-EINVAL)
Expand All @@ -302,21 +324,7 @@ extern int audit_exe_compare(struct task_struct *tsk, struct audit_fsnotify_mark
#define audit_mark_compare(m, i, d) 0
#define audit_exe_compare(t, m) (-EINVAL)
#define audit_dupe_exe(n, o) (-EINVAL)
#endif /* CONFIG_AUDITSYSCALL */

#ifdef CONFIG_AUDITSYSCALL
extern struct audit_chunk *audit_tree_lookup(const struct inode *inode);
extern void audit_put_chunk(struct audit_chunk *chunk);
extern bool audit_tree_match(struct audit_chunk *chunk, struct audit_tree *tree);
extern int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op);
extern int audit_add_tree_rule(struct audit_krule *rule);
extern int audit_remove_tree_rule(struct audit_krule *rule);
extern void audit_trim_trees(void);
extern int audit_tag_tree(char *old, char *new);
extern const char *audit_tree_path(struct audit_tree *tree);
extern void audit_put_tree(struct audit_tree *tree);
extern void audit_kill_trees(struct audit_context *context);
#else
#define audit_remove_tree_rule(rule) BUG()
#define audit_add_tree_rule(rule) -EINVAL
#define audit_make_tree(rule, str, op) -EINVAL
Expand All @@ -325,7 +333,10 @@ extern void audit_kill_trees(struct audit_context *context);
#define audit_tag_tree(old, new) -EINVAL
#define audit_tree_path(rule) "" /* never called */
#define audit_kill_trees(context) BUG()
#endif

#define audit_signal_info(s, t) AUDIT_DISABLED
#define audit_filter_inodes(t, c) AUDIT_DISABLED
#endif /* CONFIG_AUDITSYSCALL */

extern char *audit_unpack_string(void **bufp, size_t *remain, size_t len);

Expand All @@ -335,14 +346,5 @@ extern u32 audit_sig_sid;

extern int audit_filter(int msgtype, unsigned int listtype);

#ifdef CONFIG_AUDITSYSCALL
extern int audit_signal_info(int sig, struct task_struct *t);
extern void audit_filter_inodes(struct task_struct *tsk, struct audit_context *ctx);
extern struct list_head *audit_killed_trees(void);
#else
#define audit_signal_info(s,t) AUDIT_DISABLED
#define audit_filter_inodes(t,c) AUDIT_DISABLED
#endif

extern void audit_ctl_lock(void);
extern void audit_ctl_unlock(void);

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