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-rw-r--r--include/linux/audit.h103
1 files changed, 87 insertions, 16 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h
index b74c148f14e3..e051ff9c5b50 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -24,8 +24,7 @@
24#ifndef _LINUX_AUDIT_H_ 24#ifndef _LINUX_AUDIT_H_
25#define _LINUX_AUDIT_H_ 25#define _LINUX_AUDIT_H_
26 26
27#include <linux/sched.h> 27#include <linux/elf-em.h>
28#include <linux/elf.h>
29 28
30/* The netlink messages for the audit system is divided into blocks: 29/* The netlink messages for the audit system is divided into blocks:
31 * 1000 - 1099 are for commanding the audit system 30 * 1000 - 1099 are for commanding the audit system
@@ -83,7 +82,12 @@
83#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ 82#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */
84#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ 83#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */
85#define AUDIT_CWD 1307 /* Current working directory */ 84#define AUDIT_CWD 1307 /* Current working directory */
85#define AUDIT_EXECVE 1309 /* execve arguments */
86#define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ 86#define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */
87#define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */
88#define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */
89#define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */
90#define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */
87 91
88#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ 92#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
89#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ 93#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
@@ -151,6 +155,7 @@
151#define AUDIT_SE_TYPE 15 /* security label type */ 155#define AUDIT_SE_TYPE 15 /* security label type */
152#define AUDIT_SE_SEN 16 /* security label sensitivity label */ 156#define AUDIT_SE_SEN 16 /* security label sensitivity label */
153#define AUDIT_SE_CLR 17 /* security label clearance label */ 157#define AUDIT_SE_CLR 17 /* security label clearance label */
158#define AUDIT_PPID 18
154 159
155 /* These are ONLY useful when checking 160 /* These are ONLY useful when checking
156 * at syscall exit time (AUDIT_AT_EXIT). */ 161 * at syscall exit time (AUDIT_AT_EXIT). */
@@ -159,6 +164,7 @@
159#define AUDIT_INODE 102 164#define AUDIT_INODE 102
160#define AUDIT_EXIT 103 165#define AUDIT_EXIT 103
161#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ 166#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
167#define AUDIT_WATCH 105
162 168
163#define AUDIT_ARG0 200 169#define AUDIT_ARG0 200
164#define AUDIT_ARG1 (AUDIT_ARG0+1) 170#define AUDIT_ARG1 (AUDIT_ARG0+1)
@@ -273,16 +279,21 @@ struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
273}; 279};
274 280
275#ifdef __KERNEL__ 281#ifdef __KERNEL__
282#include <linux/sched.h>
276 283
277struct audit_sig_info { 284struct audit_sig_info {
278 uid_t uid; 285 uid_t uid;
279 pid_t pid; 286 pid_t pid;
287 char ctx[0];
280}; 288};
281 289
282struct audit_buffer; 290struct audit_buffer;
283struct audit_context; 291struct audit_context;
284struct inode; 292struct inode;
285struct netlink_skb_parms; 293struct netlink_skb_parms;
294struct linux_binprm;
295struct mq_attr;
296struct mqstat;
286 297
287#define AUDITSC_INVALID 0 298#define AUDITSC_INVALID 0
288#define AUDITSC_SUCCESS 1 299#define AUDITSC_SUCCESS 1
@@ -297,15 +308,19 @@ extern void audit_syscall_entry(int arch,
297 int major, unsigned long a0, unsigned long a1, 308 int major, unsigned long a0, unsigned long a1,
298 unsigned long a2, unsigned long a3); 309 unsigned long a2, unsigned long a3);
299extern void audit_syscall_exit(int failed, long return_code); 310extern void audit_syscall_exit(int failed, long return_code);
300extern void audit_getname(const char *name); 311extern void __audit_getname(const char *name);
301extern void audit_putname(const char *name); 312extern void audit_putname(const char *name);
302extern void __audit_inode(const char *name, const struct inode *inode, unsigned flags); 313extern void __audit_inode(const char *name, const struct inode *inode);
303extern void __audit_inode_child(const char *dname, const struct inode *inode, 314extern void __audit_inode_child(const char *dname, const struct inode *inode,
304 unsigned long pino); 315 unsigned long pino);
305static inline void audit_inode(const char *name, const struct inode *inode, 316static inline void audit_getname(const char *name)
306 unsigned flags) { 317{
307 if (unlikely(current->audit_context)) 318 if (unlikely(current->audit_context))
308 __audit_inode(name, inode, flags); 319 __audit_getname(name);
320}
321static inline void audit_inode(const char *name, const struct inode *inode) {
322 if (unlikely(current->audit_context))
323 __audit_inode(name, inode);
309} 324}
310static inline void audit_inode_child(const char *dname, 325static inline void audit_inode_child(const char *dname,
311 const struct inode *inode, 326 const struct inode *inode,
@@ -320,13 +335,61 @@ extern void auditsc_get_stamp(struct audit_context *ctx,
320 struct timespec *t, unsigned int *serial); 335 struct timespec *t, unsigned int *serial);
321extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); 336extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid);
322extern uid_t audit_get_loginuid(struct audit_context *ctx); 337extern uid_t audit_get_loginuid(struct audit_context *ctx);
323extern int audit_ipc_obj(struct kern_ipc_perm *ipcp); 338extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp);
324extern int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp); 339extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
340extern int audit_bprm(struct linux_binprm *bprm);
325extern int audit_socketcall(int nargs, unsigned long *args); 341extern int audit_socketcall(int nargs, unsigned long *args);
326extern int audit_sockaddr(int len, void *addr); 342extern int audit_sockaddr(int len, void *addr);
327extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt); 343extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt);
328extern void audit_signal_info(int sig, struct task_struct *t);
329extern int audit_set_macxattr(const char *name); 344extern int audit_set_macxattr(const char *name);
345extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr);
346extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout);
347extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout);
348extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification);
349extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
350
351static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
352{
353 if (unlikely(current->audit_context))
354 return __audit_ipc_obj(ipcp);
355 return 0;
356}
357static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
358{
359 if (unlikely(current->audit_context))
360 return __audit_ipc_set_perm(qbytes, uid, gid, mode);
361 return 0;
362}
363static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr)
364{
365 if (unlikely(current->audit_context))
366 return __audit_mq_open(oflag, mode, u_attr);
367 return 0;
368}
369static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout)
370{
371 if (unlikely(current->audit_context))
372 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout);
373 return 0;
374}
375static 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)
376{
377 if (unlikely(current->audit_context))
378 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout);
379 return 0;
380}
381static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification)
382{
383 if (unlikely(current->audit_context))
384 return __audit_mq_notify(mqdes, u_notification);
385 return 0;
386}
387static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
388{
389 if (unlikely(current->audit_context))
390 return __audit_mq_getsetattr(mqdes, mqstat);
391 return 0;
392}
330#else 393#else
331#define audit_alloc(t) ({ 0; }) 394#define audit_alloc(t) ({ 0; })
332#define audit_free(t) do { ; } while (0) 395#define audit_free(t) do { ; } while (0)
@@ -334,19 +397,24 @@ extern int audit_set_macxattr(const char *name);
334#define audit_syscall_exit(f,r) do { ; } while (0) 397#define audit_syscall_exit(f,r) do { ; } while (0)
335#define audit_getname(n) do { ; } while (0) 398#define audit_getname(n) do { ; } while (0)
336#define audit_putname(n) do { ; } while (0) 399#define audit_putname(n) do { ; } while (0)
337#define __audit_inode(n,i,f) do { ; } while (0) 400#define __audit_inode(n,i) do { ; } while (0)
338#define __audit_inode_child(d,i,p) do { ; } while (0) 401#define __audit_inode_child(d,i,p) do { ; } while (0)
339#define audit_inode(n,i,f) do { ; } while (0) 402#define audit_inode(n,i) do { ; } while (0)
340#define audit_inode_child(d,i,p) do { ; } while (0) 403#define audit_inode_child(d,i,p) do { ; } while (0)
341#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) 404#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
342#define audit_get_loginuid(c) ({ -1; }) 405#define audit_get_loginuid(c) ({ -1; })
343#define audit_ipc_obj(i) ({ 0; }) 406#define audit_ipc_obj(i) ({ 0; })
344#define audit_ipc_set_perm(q,u,g,m,i) ({ 0; }) 407#define audit_ipc_set_perm(q,u,g,m) ({ 0; })
408#define audit_bprm(p) ({ 0; })
345#define audit_socketcall(n,a) ({ 0; }) 409#define audit_socketcall(n,a) ({ 0; })
346#define audit_sockaddr(len, addr) ({ 0; }) 410#define audit_sockaddr(len, addr) ({ 0; })
347#define audit_avc_path(dentry, mnt) ({ 0; }) 411#define audit_avc_path(dentry, mnt) ({ 0; })
348#define audit_signal_info(s,t) do { ; } while (0)
349#define audit_set_macxattr(n) do { ; } while (0) 412#define audit_set_macxattr(n) do { ; } while (0)
413#define audit_mq_open(o,m,a) ({ 0; })
414#define audit_mq_timedsend(d,l,p,t) ({ 0; })
415#define audit_mq_timedreceive(d,l,p,t) ({ 0; })
416#define audit_mq_notify(d,n) ({ 0; })
417#define audit_mq_getsetattr(d,s) ({ 0; })
350#endif 418#endif
351 419
352#ifdef CONFIG_AUDIT 420#ifdef CONFIG_AUDIT
@@ -364,8 +432,11 @@ extern void audit_log_end(struct audit_buffer *ab);
364extern void audit_log_hex(struct audit_buffer *ab, 432extern void audit_log_hex(struct audit_buffer *ab,
365 const unsigned char *buf, 433 const unsigned char *buf,
366 size_t len); 434 size_t len);
367extern void audit_log_untrustedstring(struct audit_buffer *ab, 435extern const char * audit_log_untrustedstring(struct audit_buffer *ab,
368 const char *string); 436 const char *string);
437extern const char * audit_log_n_untrustedstring(struct audit_buffer *ab,
438 size_t n,
439 const char *string);
369extern void audit_log_d_path(struct audit_buffer *ab, 440extern void audit_log_d_path(struct audit_buffer *ab,
370 const char *prefix, 441 const char *prefix,
371 struct dentry *dentry, 442 struct dentry *dentry,
@@ -383,8 +454,8 @@ extern int audit_receive_filter(int type, int pid, int uid, int seq,
383#define audit_log_end(b) do { ; } while (0) 454#define audit_log_end(b) do { ; } while (0)
384#define audit_log_hex(a,b,l) do { ; } while (0) 455#define audit_log_hex(a,b,l) do { ; } while (0)
385#define audit_log_untrustedstring(a,s) do { ; } while (0) 456#define audit_log_untrustedstring(a,s) do { ; } while (0)
457#define audit_log_n_untrustedstring(a,n,s) do { ; } while (0)
386#define audit_log_d_path(b,p,d,v) do { ; } while (0) 458#define audit_log_d_path(b,p,d,v) do { ; } while (0)
387#define audit_panic(m) do { ; } while (0)
388#endif 459#endif
389#endif 460#endif
390#endif 461#endif