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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/kernel/audit.h
....@@ -1,22 +1,9 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
12 /* audit -- definition of audit_context structure and supporting types 
23  *
34  * Copyright 2003-2004 Red Hat, Inc.
45  * Copyright 2005 Hewlett-Packard Development Company, L.P.
56  * Copyright 2005 IBM Corporation
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
207  */
218 
229 #include <linux/fs.h>
....@@ -69,6 +56,7 @@
6956 		kernel_cap_t	effective;	/* effective set of process */
7057 	};
7158 	kernel_cap_t		ambient;
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+	kuid_t			rootid;
7260 };
7361 
7462 /* When fs/namei.c:getname() is called, we store the pointer in name and bump
....@@ -203,6 +191,10 @@
203191 		struct {
204192 			char			*name;
205193 		} module;
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+		struct {
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+			struct audit_ntp_data	ntp_data;
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+			struct timespec64	tk_injoffset;
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+		} time;
206198 	};
207199 	int fds[2];
208200 	struct audit_proctitle proctitle;
....@@ -210,14 +202,7 @@
210202 
211203 extern bool audit_ever_enabled;
212204 
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-extern void audit_copy_inode(struct audit_names *name,
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-			     const struct dentry *dentry,
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-			     struct inode *inode);
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-extern void audit_log_cap(struct audit_buffer *ab, char *prefix,
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-			  kernel_cap_t *cap);
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-extern void audit_log_name(struct audit_context *context,
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-			   struct audit_names *n, const struct path *path,
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-			   int record_num, int *call_panic);
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+extern void audit_log_session_info(struct audit_buffer *ab);
221206 
222207 extern int auditd_test_task(struct task_struct *task);
223208 
....@@ -237,7 +222,7 @@
237222 extern int audit_uid_comparator(kuid_t left, u32 op, kuid_t right);
238223 extern int audit_gid_comparator(kgid_t left, u32 op, kgid_t right);
239224 extern int parent_len(const char *path);
240
-extern int audit_compare_dname_path(const char *dname, const char *path, int plen);
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+extern int audit_compare_dname_path(const struct qstr *dname, const char *path, int plen);
241226 extern struct sk_buff *audit_make_reply(int seq, int type, int done, int multi,
242227 					const void *payload, int size);
243228 extern void		    audit_panic(const char *message);
....@@ -262,28 +247,55 @@
262247 extern void audit_log_d_path_exe(struct audit_buffer *ab,
263248 				 struct mm_struct *mm);
264249 
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-extern struct tty_struct *audit_get_tty(struct task_struct *tsk);
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+extern struct tty_struct *audit_get_tty(void);
266251 extern void audit_put_tty(struct tty_struct *tty);
267252 
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-/* audit watch functions */
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-#ifdef CONFIG_AUDIT_WATCH
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+/* audit watch/mark/tree functions */
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+#ifdef CONFIG_AUDITSYSCALL
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+extern unsigned int audit_serial(void);
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+extern int auditsc_get_stamp(struct audit_context *ctx,
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+			      struct timespec64 *t, unsigned int *serial);
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+
270259 extern void audit_put_watch(struct audit_watch *watch);
271260 extern void audit_get_watch(struct audit_watch *watch);
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-extern int audit_to_watch(struct audit_krule *krule, char *path, int len, u32 op);
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+extern int audit_to_watch(struct audit_krule *krule, char *path, int len,
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+			  u32 op);
273263 extern int audit_add_watch(struct audit_krule *krule, struct list_head **list);
274264 extern void audit_remove_watch_rule(struct audit_krule *krule);
275265 extern char *audit_watch_path(struct audit_watch *watch);
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-extern int audit_watch_compare(struct audit_watch *watch, unsigned long ino, dev_t dev);
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+extern int audit_watch_compare(struct audit_watch *watch, unsigned long ino,
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+			       dev_t dev);
277268 
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-extern struct audit_fsnotify_mark *audit_alloc_mark(struct audit_krule *krule, char *pathname, int len);
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+extern struct audit_fsnotify_mark *audit_alloc_mark(struct audit_krule *krule,
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+						    char *pathname, int len);
279271 extern char *audit_mark_path(struct audit_fsnotify_mark *mark);
280272 extern void audit_remove_mark(struct audit_fsnotify_mark *audit_mark);
281273 extern void audit_remove_mark_rule(struct audit_krule *krule);
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-extern int audit_mark_compare(struct audit_fsnotify_mark *mark, unsigned long ino, dev_t dev);
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+extern int audit_mark_compare(struct audit_fsnotify_mark *mark,
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+			      unsigned long ino, dev_t dev);
283276 extern int audit_dupe_exe(struct audit_krule *new, struct audit_krule *old);
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-extern int audit_exe_compare(struct task_struct *tsk, struct audit_fsnotify_mark *mark);
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+extern int audit_exe_compare(struct task_struct *tsk,
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+			     struct audit_fsnotify_mark *mark);
285279 
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-#else
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+extern struct audit_chunk *audit_tree_lookup(const struct inode *inode);
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+extern void audit_put_chunk(struct audit_chunk *chunk);
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+extern bool audit_tree_match(struct audit_chunk *chunk,
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+			     struct audit_tree *tree);
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+extern int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op);
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+extern int audit_add_tree_rule(struct audit_krule *rule);
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+extern int audit_remove_tree_rule(struct audit_krule *rule);
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+extern void audit_trim_trees(void);
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+extern int audit_tag_tree(char *old, char *new);
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+extern const char *audit_tree_path(struct audit_tree *tree);
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+extern void audit_put_tree(struct audit_tree *tree);
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+extern void audit_kill_trees(struct audit_context *context);
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+
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+extern int audit_signal_info_syscall(struct task_struct *t);
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+extern void audit_filter_inodes(struct task_struct *tsk,
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+				struct audit_context *ctx);
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+extern struct list_head *audit_killed_trees(void);
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+#else /* CONFIG_AUDITSYSCALL */
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+#define auditsc_get_stamp(c, t, s) 0
287299 #define audit_put_watch(w) {}
288300 #define audit_get_watch(w) {}
289301 #define audit_to_watch(k, p, l, o) (-EINVAL)
....@@ -299,21 +311,7 @@
299311 #define audit_mark_compare(m, i, d) 0
300312 #define audit_exe_compare(t, m) (-EINVAL)
301313 #define audit_dupe_exe(n, o) (-EINVAL)
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-#endif /* CONFIG_AUDIT_WATCH */
303314 
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-#ifdef CONFIG_AUDIT_TREE
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-extern struct audit_chunk *audit_tree_lookup(const struct inode *inode);
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-extern void audit_put_chunk(struct audit_chunk *chunk);
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-extern bool audit_tree_match(struct audit_chunk *chunk, struct audit_tree *tree);
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-extern int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op);
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-extern int audit_add_tree_rule(struct audit_krule *rule);
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-extern int audit_remove_tree_rule(struct audit_krule *rule);
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-extern void audit_trim_trees(void);
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-extern int audit_tag_tree(char *old, char *new);
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-extern const char *audit_tree_path(struct audit_tree *tree);
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-extern void audit_put_tree(struct audit_tree *tree);
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-extern void audit_kill_trees(struct list_head *list);
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-#else
317315 #define audit_remove_tree_rule(rule) BUG()
318316 #define audit_add_tree_rule(rule) -EINVAL
319317 #define audit_make_tree(rule, str, op) -EINVAL
....@@ -321,25 +319,19 @@
321319 #define audit_put_tree(tree) (void)0
322320 #define audit_tag_tree(old, new) -EINVAL
323321 #define audit_tree_path(rule) ""	/* never called */
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-#define audit_kill_trees(list) BUG()
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-#endif
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+#define audit_kill_trees(context) BUG()
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+
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+static inline int audit_signal_info_syscall(struct task_struct *t)
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+{
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+	return 0;
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+}
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+
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+#define audit_filter_inodes(t, c) AUDIT_DISABLED
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+#endif /* CONFIG_AUDITSYSCALL */
326331 
327332 extern char *audit_unpack_string(void **bufp, size_t *remain, size_t len);
328333 
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-extern pid_t audit_sig_pid;
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-extern kuid_t audit_sig_uid;
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-extern u32 audit_sig_sid;
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-
333334 extern int audit_filter(int msgtype, unsigned int listtype);
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-
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-#ifdef CONFIG_AUDITSYSCALL
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-extern int audit_signal_info(int sig, struct task_struct *t);
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-extern void audit_filter_inodes(struct task_struct *tsk, struct audit_context *ctx);
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-extern struct list_head *audit_killed_trees(void);
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-#else
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-#define audit_signal_info(s,t) AUDIT_DISABLED
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-#define audit_filter_inodes(t,c) AUDIT_DISABLED
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-#endif
343335 
344336 extern void audit_ctl_lock(void);
345337 extern void audit_ctl_unlock(void);