#ifndef _LINUX_AUDIT_H_
#define _LINUX_AUDIT_H_
-#include <linux/sched.h>
-#include <linux/elf.h>
+#include <linux/types.h>
+#include <linux/elf-em.h>
/* The netlink messages for the audit system is divided into blocks:
* 1000 - 1099 are for commanding the audit system
#define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */
#define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */
#define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */
+#define AUDIT_TRIM 1014 /* Trim junk from watched tree */
+#define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */
+#define AUDIT_TTY_GET 1016 /* Get TTY auditing status */
+#define AUDIT_TTY_SET 1017 /* Set TTY auditing status */
#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */
#define AUDIT_USER_AVC 1107 /* We filter this differently */
+#define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */
#define AUDIT_LAST_USER_MSG 1199
#define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */
#define AUDIT_LAST_USER_MSG2 2999
#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */
#define AUDIT_SYSCALL 1300 /* Syscall event */
-#define AUDIT_FS_WATCH 1301 /* Filesystem watch event */
+/* #define AUDIT_FS_WATCH 1301 * Deprecated */
#define AUDIT_PATH 1302 /* Filename path information */
#define AUDIT_IPC 1303 /* IPC record */
#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */
#define AUDIT_CWD 1307 /* Current working directory */
#define AUDIT_EXECVE 1309 /* execve arguments */
#define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */
+#define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */
+#define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */
+#define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */
+#define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */
+#define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */
+#define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */
+#define AUDIT_OBJ_PID 1318 /* ptrace target */
+#define AUDIT_TTY 1319 /* Input on an administrative TTY */
+#define AUDIT_EOE 1320 /* End of multi-record event */
+#define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */
+#define AUDIT_CAPSET 1322 /* Record showing argument to sys_capset */
#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
#define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */
#define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */
#define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */
+#define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */
+#define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */
+#define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */
+#define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */
+#define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */
+#define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */
+#define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */
+#define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */
+#define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */
+#define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */
+#define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */
+#define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */
#define AUDIT_FIRST_KERN_ANOM_MSG 1700
#define AUDIT_LAST_KERN_ANOM_MSG 1799
#define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */
+#define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */
#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
/* Rule structure sizes -- if these change, different AUDIT_ADD and
* AUDIT_LIST commands must be implemented. */
#define AUDIT_MAX_FIELDS 64
+#define AUDIT_MAX_KEY_LEN 256
#define AUDIT_BITMASK_SIZE 64
#define AUDIT_WORD(nr) ((__u32)((nr)/32))
#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
+#define AUDIT_SYSCALL_CLASSES 16
+#define AUDIT_CLASS_DIR_WRITE 0
+#define AUDIT_CLASS_DIR_WRITE_32 1
+#define AUDIT_CLASS_CHATTR 2
+#define AUDIT_CLASS_CHATTR_32 3
+#define AUDIT_CLASS_READ 4
+#define AUDIT_CLASS_READ_32 5
+#define AUDIT_CLASS_WRITE 6
+#define AUDIT_CLASS_WRITE_32 7
+#define AUDIT_CLASS_SIGNAL 8
+#define AUDIT_CLASS_SIGNAL_32 9
+
/* This bitmask is used to validate user input. It represents all bits that
* are currently used in an audit field constant understood by the kernel.
* If you are adding a new #define AUDIT_<whatever>, please ensure that
* AUDIT_UNUSED_BITS is updated if need be. */
-#define AUDIT_UNUSED_BITS 0x0FFFFC00
+#define AUDIT_UNUSED_BITS 0x07FFFC00
/* Rule fields */
#define AUDIT_PERS 10
#define AUDIT_ARCH 11
#define AUDIT_MSGTYPE 12
-#define AUDIT_SE_USER 13 /* security label user */
-#define AUDIT_SE_ROLE 14 /* security label role */
-#define AUDIT_SE_TYPE 15 /* security label type */
-#define AUDIT_SE_SEN 16 /* security label sensitivity label */
-#define AUDIT_SE_CLR 17 /* security label clearance label */
+#define AUDIT_SUBJ_USER 13 /* security label user */
+#define AUDIT_SUBJ_ROLE 14 /* security label role */
+#define AUDIT_SUBJ_TYPE 15 /* security label type */
+#define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */
+#define AUDIT_SUBJ_CLR 17 /* security label clearance label */
+#define AUDIT_PPID 18
+#define AUDIT_OBJ_USER 19
+#define AUDIT_OBJ_ROLE 20
+#define AUDIT_OBJ_TYPE 21
+#define AUDIT_OBJ_LEV_LOW 22
+#define AUDIT_OBJ_LEV_HIGH 23
/* These are ONLY useful when checking
* at syscall exit time (AUDIT_AT_EXIT). */
#define AUDIT_INODE 102
#define AUDIT_EXIT 103
#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
+#define AUDIT_WATCH 105
+#define AUDIT_PERM 106
+#define AUDIT_DIR 107
+#define AUDIT_FILETYPE 108
#define AUDIT_ARG0 200
#define AUDIT_ARG1 (AUDIT_ARG0+1)
#define AUDIT_ARG2 (AUDIT_ARG0+2)
#define AUDIT_ARG3 (AUDIT_ARG0+3)
+#define AUDIT_FILTERKEY 210
+
#define AUDIT_NEGATE 0x80000000
/* These are the supported operators.
- * 4 2 1
- * = > <
- * -------
- * 0 0 0 0 nonsense
- * 0 0 1 1 <
- * 0 1 0 2 >
- * 0 1 1 3 !=
- * 1 0 0 4 =
- * 1 0 1 5 <=
- * 1 1 0 6 >=
- * 1 1 1 7 all operators
+ * 4 2 1 8
+ * = > < ?
+ * ----------
+ * 0 0 0 0 00 nonsense
+ * 0 0 0 1 08 & bit mask
+ * 0 0 1 0 10 <
+ * 0 1 0 0 20 >
+ * 0 1 1 0 30 !=
+ * 1 0 0 0 40 =
+ * 1 0 0 1 48 &= bit test
+ * 1 0 1 0 50 <=
+ * 1 1 0 0 60 >=
+ * 1 1 1 1 78 all operators
*/
+#define AUDIT_BIT_MASK 0x08000000
#define AUDIT_LESS_THAN 0x10000000
#define AUDIT_GREATER_THAN 0x20000000
#define AUDIT_NOT_EQUAL 0x30000000
#define AUDIT_EQUAL 0x40000000
+#define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL)
#define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL)
#define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL)
-#define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL)
+#define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK)
+
+enum {
+ Audit_equal,
+ Audit_not_equal,
+ Audit_bitmask,
+ Audit_bittest,
+ Audit_lt,
+ Audit_gt,
+ Audit_le,
+ Audit_ge,
+ Audit_bad
+};
/* Status symbols */
/* Mask values */
#define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_SPARC (EM_SPARC)
#define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT)
-#define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_PERM_EXEC 1
+#define AUDIT_PERM_WRITE 2
+#define AUDIT_PERM_READ 4
+#define AUDIT_PERM_ATTR 8
+
struct audit_status {
__u32 mask; /* Bit mask for valid entries */
__u32 enabled; /* 1 = enabled, 0 = disabled */
__u32 backlog; /* messages waiting in queue */
};
+struct audit_tty_status {
+ __u32 enabled; /* 1 = enabled, 0 = disabled */
+};
+
/* audit_rule_data supports filter rules with both integer and string
* fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and
* AUDIT_LIST_RULES requests.
};
#ifdef __KERNEL__
+#include <linux/sched.h>
struct audit_sig_info {
uid_t uid;
struct inode;
struct netlink_skb_parms;
struct linux_binprm;
+struct mq_attr;
+struct mqstat;
+struct audit_watch;
+struct audit_tree;
+
+struct audit_krule {
+ int vers_ops;
+ u32 flags;
+ u32 listnr;
+ u32 action;
+ u32 mask[AUDIT_BITMASK_SIZE];
+ u32 buflen; /* for data alloc on list rules */
+ u32 field_count;
+ char *filterkey; /* ties events to rules */
+ struct audit_field *fields;
+ struct audit_field *arch_f; /* quick access to arch field */
+ struct audit_field *inode_f; /* quick access to an inode field */
+ struct audit_watch *watch; /* associated watch */
+ struct audit_tree *tree; /* associated watched tree */
+ struct list_head rlist; /* entry in audit_{watch,tree}.rules list */
+ struct list_head list; /* for AUDIT_LIST* purposes only */
+ u64 prio;
+};
+
+struct audit_field {
+ u32 type;
+ u32 val;
+ u32 op;
+ char *lsm_str;
+ void *lsm_rule;
+};
#define AUDITSC_INVALID 0
#define AUDITSC_SUCCESS 1
#define AUDITSC_FAILURE 2
#define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS )
+extern int __init audit_register_class(int class, unsigned *list);
+extern int audit_classify_syscall(int abi, unsigned syscall);
+extern int audit_classify_arch(int arch);
#ifdef CONFIG_AUDITSYSCALL
/* These are defined in auditsc.c */
/* Public API */
+extern void audit_finish_fork(struct task_struct *child);
extern int audit_alloc(struct task_struct *task);
extern void audit_free(struct task_struct *task);
extern void audit_syscall_entry(int arch,
int major, unsigned long a0, unsigned long a1,
unsigned long a2, unsigned long a3);
extern void audit_syscall_exit(int failed, long return_code);
-extern void audit_getname(const char *name);
+extern void __audit_getname(const char *name);
extern void audit_putname(const char *name);
-extern void __audit_inode(const char *name, const struct inode *inode, unsigned flags);
-extern void __audit_inode_child(const char *dname, const struct inode *inode,
- unsigned long pino);
-static inline void audit_inode(const char *name, const struct inode *inode,
- unsigned flags) {
- if (unlikely(current->audit_context))
- __audit_inode(name, inode, flags);
+extern void __audit_inode(const char *name, const struct dentry *dentry);
+extern void __audit_inode_child(const char *dname, const struct dentry *dentry,
+ const struct inode *parent);
+extern void __audit_ptrace(struct task_struct *t);
+
+static inline int audit_dummy_context(void)
+{
+ void *p = current->audit_context;
+ return !p || *(int *)p;
+}
+static inline void audit_getname(const char *name)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_getname(name);
+}
+static inline void audit_inode(const char *name, const struct dentry *dentry) {
+ if (unlikely(!audit_dummy_context()))
+ __audit_inode(name, dentry);
}
static inline void audit_inode_child(const char *dname,
- const struct inode *inode,
- unsigned long pino) {
- if (unlikely(current->audit_context))
- __audit_inode_child(dname, inode, pino);
+ const struct dentry *dentry,
+ const struct inode *parent) {
+ if (unlikely(!audit_dummy_context()))
+ __audit_inode_child(dname, dentry, parent);
+}
+void audit_core_dumps(long signr);
+
+static inline void audit_ptrace(struct task_struct *t)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_ptrace(t);
}
/* Private API (for audit.c only) */
extern unsigned int audit_serial(void);
-extern void auditsc_get_stamp(struct audit_context *ctx,
+extern int auditsc_get_stamp(struct audit_context *ctx,
struct timespec *t, unsigned int *serial);
extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid);
-extern uid_t audit_get_loginuid(struct audit_context *ctx);
-extern int audit_ipc_obj(struct kern_ipc_perm *ipcp);
-extern int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode, struct kern_ipc_perm *ipcp);
+#define audit_get_loginuid(t) ((t)->loginuid)
+#define audit_get_sessionid(t) ((t)->sessionid)
+extern void audit_log_task_context(struct audit_buffer *ab);
+extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
+extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
extern int audit_bprm(struct linux_binprm *bprm);
-extern int audit_socketcall(int nargs, unsigned long *args);
+extern void audit_socketcall(int nargs, unsigned long *args);
extern int audit_sockaddr(int len, void *addr);
-extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt);
+extern void __audit_fd_pair(int fd1, int fd2);
extern int audit_set_macxattr(const char *name);
+extern void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr);
+extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout);
+extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification);
+extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat);
+extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
+ const struct cred *new,
+ const struct cred *old);
+extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old);
+
+static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_ipc_obj(ipcp);
+}
+static inline void audit_fd_pair(int fd1, int fd2)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_fd_pair(fd1, fd2);
+}
+static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_ipc_set_perm(qbytes, uid, gid, mode);
+}
+static inline void audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_mq_open(oflag, mode, attr);
+}
+static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout);
+}
+static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_mq_notify(mqdes, notification);
+}
+static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_mq_getsetattr(mqdes, mqstat);
+}
+
+static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm,
+ const struct cred *new,
+ const struct cred *old)
+{
+ if (unlikely(!audit_dummy_context()))
+ return __audit_log_bprm_fcaps(bprm, new, old);
+ return 0;
+}
+
+static inline void audit_log_capset(pid_t pid, const struct cred *new,
+ const struct cred *old)
+{
+ if (unlikely(!audit_dummy_context()))
+ __audit_log_capset(pid, new, old);
+}
+
+extern int audit_n_rules;
+extern int audit_signals;
#else
+#define audit_finish_fork(t)
#define audit_alloc(t) ({ 0; })
#define audit_free(t) do { ; } while (0)
#define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0)
#define audit_syscall_exit(f,r) do { ; } while (0)
+#define audit_dummy_context() 1
#define audit_getname(n) do { ; } while (0)
#define audit_putname(n) do { ; } while (0)
-#define __audit_inode(n,i,f) do { ; } while (0)
+#define __audit_inode(n,d) do { ; } while (0)
#define __audit_inode_child(d,i,p) do { ; } while (0)
-#define audit_inode(n,i,f) do { ; } while (0)
+#define audit_inode(n,d) do { ; } while (0)
#define audit_inode_child(d,i,p) do { ; } while (0)
-#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
-#define audit_get_loginuid(c) ({ -1; })
-#define audit_ipc_obj(i) ({ 0; })
-#define audit_ipc_set_perm(q,u,g,m,i) ({ 0; })
+#define audit_core_dumps(i) do { ; } while (0)
+#define auditsc_get_stamp(c,t,s) (0)
+#define audit_get_loginuid(t) (-1)
+#define audit_get_sessionid(t) (-1)
+#define audit_log_task_context(b) do { ; } while (0)
+#define audit_ipc_obj(i) ((void)0)
+#define audit_ipc_set_perm(q,u,g,m) ((void)0)
#define audit_bprm(p) ({ 0; })
-#define audit_socketcall(n,a) ({ 0; })
+#define audit_socketcall(n,a) ((void)0)
+#define audit_fd_pair(n,a) ((void)0)
#define audit_sockaddr(len, addr) ({ 0; })
-#define audit_avc_path(dentry, mnt) ({ 0; })
#define audit_set_macxattr(n) do { ; } while (0)
+#define audit_mq_open(o,m,a) ((void)0)
+#define audit_mq_sendrecv(d,l,p,t) ((void)0)
+#define audit_mq_notify(d,n) ((void)0)
+#define audit_mq_getsetattr(d,s) ((void)0)
+#define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; })
+#define audit_log_capset(pid, ncr, ocr) ((void)0)
+#define audit_ptrace(t) ((void)0)
+#define audit_n_rules 0
+#define audit_signals 0
#endif
#ifdef CONFIG_AUDIT
const char *fmt, ...)
__attribute__((format(printf,2,3)));
extern void audit_log_end(struct audit_buffer *ab);
-extern void audit_log_hex(struct audit_buffer *ab,
+extern int audit_string_contains_control(const char *string,
+ size_t len);
+extern void audit_log_n_hex(struct audit_buffer *ab,
const unsigned char *buf,
size_t len);
-extern const char * audit_log_untrustedstring(struct audit_buffer *ab,
+extern void audit_log_n_string(struct audit_buffer *ab,
+ const char *buf,
+ size_t n);
+#define audit_log_string(a,b) audit_log_n_string(a, b, strlen(b));
+extern void audit_log_n_untrustedstring(struct audit_buffer *ab,
+ const char *string,
+ size_t n);
+extern void audit_log_untrustedstring(struct audit_buffer *ab,
const char *string);
extern void audit_log_d_path(struct audit_buffer *ab,
const char *prefix,
- struct dentry *dentry,
- struct vfsmount *vfsmnt);
+ struct path *path);
+extern void audit_log_lost(const char *message);
+extern int audit_update_lsm_rules(void);
+
/* Private API (for audit.c only) */
-extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
+extern int audit_filter_user(struct netlink_skb_parms *cb);
extern int audit_filter_type(int type);
extern int audit_receive_filter(int type, int pid, int uid, int seq,
- void *data, size_t datasz, uid_t loginuid, u32 sid);
+ void *data, size_t datasz, uid_t loginuid,
+ u32 sessionid, u32 sid);
+extern int audit_enabled;
#else
#define audit_log(c,g,t,f,...) do { ; } while (0)
#define audit_log_start(c,g,t) ({ NULL; })
#define audit_log_vformat(b,f,a) do { ; } while (0)
#define audit_log_format(b,f,...) do { ; } while (0)
#define audit_log_end(b) do { ; } while (0)
-#define audit_log_hex(a,b,l) do { ; } while (0)
+#define audit_log_n_hex(a,b,l) do { ; } while (0)
+#define audit_log_n_string(a,c,l) do { ; } while (0)
+#define audit_log_string(a,c) do { ; } while (0)
+#define audit_log_n_untrustedstring(a,n,s) do { ; } while (0)
#define audit_log_untrustedstring(a,s) do { ; } while (0)
-#define audit_log_d_path(b,p,d,v) do { ; } while (0)
+#define audit_log_d_path(b, p, d) do { ; } while (0)
+#define audit_enabled 0
#endif
#endif
#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff