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-rw-r--r--include/linux/audit.h43
1 files changed, 29 insertions, 14 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h
index b27d7debc5a1..64f9f9e56ac5 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -327,21 +327,31 @@ extern void __audit_getname(const char *name);
327extern void audit_putname(const char *name); 327extern void audit_putname(const char *name);
328extern void __audit_inode(const char *name, const struct inode *inode); 328extern void __audit_inode(const char *name, const struct inode *inode);
329extern void __audit_inode_child(const char *dname, const struct inode *inode, 329extern void __audit_inode_child(const char *dname, const struct inode *inode,
330 unsigned long pino); 330 const struct inode *parent);
331extern void __audit_inode_update(const struct inode *inode);
332static inline int audit_dummy_context(void)
333{
334 void *p = current->audit_context;
335 return !p || *(int *)p;
336}
331static inline void audit_getname(const char *name) 337static inline void audit_getname(const char *name)
332{ 338{
333 if (unlikely(current->audit_context)) 339 if (unlikely(!audit_dummy_context()))
334 __audit_getname(name); 340 __audit_getname(name);
335} 341}
336static inline void audit_inode(const char *name, const struct inode *inode) { 342static inline void audit_inode(const char *name, const struct inode *inode) {
337 if (unlikely(current->audit_context)) 343 if (unlikely(!audit_dummy_context()))
338 __audit_inode(name, inode); 344 __audit_inode(name, inode);
339} 345}
340static inline void audit_inode_child(const char *dname, 346static inline void audit_inode_child(const char *dname,
341 const struct inode *inode, 347 const struct inode *inode,
342 unsigned long pino) { 348 const struct inode *parent) {
343 if (unlikely(current->audit_context)) 349 if (unlikely(!audit_dummy_context()))
344 __audit_inode_child(dname, inode, pino); 350 __audit_inode_child(dname, inode, parent);
351}
352static inline void audit_inode_update(const struct inode *inode) {
353 if (unlikely(!audit_dummy_context()))
354 __audit_inode_update(inode);
345} 355}
346 356
347 /* Private API (for audit.c only) */ 357 /* Private API (for audit.c only) */
@@ -365,57 +375,61 @@ extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
365 375
366static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp) 376static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
367{ 377{
368 if (unlikely(current->audit_context)) 378 if (unlikely(!audit_dummy_context()))
369 return __audit_ipc_obj(ipcp); 379 return __audit_ipc_obj(ipcp);
370 return 0; 380 return 0;
371} 381}
372static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) 382static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
373{ 383{
374 if (unlikely(current->audit_context)) 384 if (unlikely(!audit_dummy_context()))
375 return __audit_ipc_set_perm(qbytes, uid, gid, mode); 385 return __audit_ipc_set_perm(qbytes, uid, gid, mode);
376 return 0; 386 return 0;
377} 387}
378static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) 388static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
379{ 389{
380 if (unlikely(current->audit_context)) 390 if (unlikely(!audit_dummy_context()))
381 return __audit_mq_open(oflag, mode, u_attr); 391 return __audit_mq_open(oflag, mode, u_attr);
382 return 0; 392 return 0;
383} 393}
384static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout) 394static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
385{ 395{
386 if (unlikely(current->audit_context)) 396 if (unlikely(!audit_dummy_context()))
387 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); 397 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
388 return 0; 398 return 0;
389} 399}
390static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout) 400static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout)
391{ 401{
392 if (unlikely(current->audit_context)) 402 if (unlikely(!audit_dummy_context()))
393 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); 403 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
394 return 0; 404 return 0;
395} 405}
396static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) 406static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
397{ 407{
398 if (unlikely(current->audit_context)) 408 if (unlikely(!audit_dummy_context()))
399 return __audit_mq_notify(mqdes, u_notification); 409 return __audit_mq_notify(mqdes, u_notification);
400 return 0; 410 return 0;
401} 411}
402static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 412static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
403{ 413{
404 if (unlikely(current->audit_context)) 414 if (unlikely(!audit_dummy_context()))
405 return __audit_mq_getsetattr(mqdes, mqstat); 415 return __audit_mq_getsetattr(mqdes, mqstat);
406 return 0; 416 return 0;
407} 417}
418extern int audit_n_rules;
408#else 419#else
409#define audit_alloc(t) ({ 0; }) 420#define audit_alloc(t) ({ 0; })
410#define audit_free(t) do { ; } while (0) 421#define audit_free(t) do { ; } while (0)
411#define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) 422#define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0)
412#define audit_syscall_exit(f,r) do { ; } while (0) 423#define audit_syscall_exit(f,r) do { ; } while (0)
424#define audit_dummy_context() 1
413#define audit_getname(n) do { ; } while (0) 425#define audit_getname(n) do { ; } while (0)
414#define audit_putname(n) do { ; } while (0) 426#define audit_putname(n) do { ; } while (0)
415#define __audit_inode(n,i) do { ; } while (0) 427#define __audit_inode(n,i) do { ; } while (0)
416#define __audit_inode_child(d,i,p) do { ; } while (0) 428#define __audit_inode_child(d,i,p) do { ; } while (0)
429#define __audit_inode_update(i) do { ; } while (0)
417#define audit_inode(n,i) do { ; } while (0) 430#define audit_inode(n,i) do { ; } while (0)
418#define audit_inode_child(d,i,p) do { ; } while (0) 431#define audit_inode_child(d,i,p) do { ; } while (0)
432#define audit_inode_update(i) do { ; } while (0)
419#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) 433#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
420#define audit_get_loginuid(c) ({ -1; }) 434#define audit_get_loginuid(c) ({ -1; })
421#define audit_ipc_obj(i) ({ 0; }) 435#define audit_ipc_obj(i) ({ 0; })
@@ -430,6 +444,7 @@ static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
430#define audit_mq_timedreceive(d,l,p,t) ({ 0; }) 444#define audit_mq_timedreceive(d,l,p,t) ({ 0; })
431#define audit_mq_notify(d,n) ({ 0; }) 445#define audit_mq_notify(d,n) ({ 0; })
432#define audit_mq_getsetattr(d,s) ({ 0; }) 446#define audit_mq_getsetattr(d,s) ({ 0; })
447#define audit_n_rules 0
433#endif 448#endif
434 449
435#ifdef CONFIG_AUDIT 450#ifdef CONFIG_AUDIT