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-rw-r--r--include/linux/audit.h94
1 files changed, 70 insertions, 24 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 19f04b04979..bf2ad3ba72e 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -27,15 +27,52 @@
#include <linux/sched.h>
#include <linux/elf.h>
-/* Request and reply types */
-#define AUDIT_GET 1000 /* Get status */
-#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
-#define AUDIT_LIST 1002 /* List filtering rules */
-#define AUDIT_ADD 1003 /* Add filtering rule */
-#define AUDIT_DEL 1004 /* Delete filtering rule */
-#define AUDIT_USER 1005 /* Send a message from user-space */
-#define AUDIT_LOGIN 1006 /* Define the login id and informaiton */
-#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
+/* The netlink messages for the audit system is divided into blocks:
+ * 1000 - 1099 are for commanding the audit system
+ * 1100 - 1199 user space trusted application messages
+ * 1200 - 1299 messages internal to the audit daemon
+ * 1300 - 1399 audit event messages
+ * 1400 - 1499 SE Linux use
+ * 1500 - 1999 future use
+ * 2000 is for otherwise unclassified kernel audit messages
+ *
+ * Messages from 1000-1199 are bi-directional. 1200-1299 are exclusively user
+ * space. Anything over that is kernel --> user space communication.
+ */
+#define AUDIT_GET 1000 /* Get status */
+#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
+#define AUDIT_LIST 1002 /* List syscall filtering rules */
+#define AUDIT_ADD 1003 /* Add syscall filtering rule */
+#define AUDIT_DEL 1004 /* Delete syscall filtering rule */
+#define AUDIT_USER 1005 /* Message from userspace -- deprecated */
+#define AUDIT_LOGIN 1006 /* Define the login id and information */
+#define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */
+#define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */
+#define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */
+#define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */
+
+#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages uninteresting to kernel */
+#define AUDIT_LAST_USER_MSG 1199
+
+#define AUDIT_DAEMON_START 1200 /* Daemon startup record */
+#define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */
+#define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */
+#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */
+
+#define AUDIT_SYSCALL 1300 /* Syscall event */
+#define AUDIT_FS_WATCH 1301 /* Filesystem watch event */
+#define AUDIT_PATH 1302 /* Filename path information */
+#define AUDIT_IPC 1303 /* IPC record */
+#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */
+#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */
+#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */
+#define AUDIT_CWD 1307 /* Current working directory */
+
+#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
+#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
+#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */
+
+#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
/* Rule flags */
#define AUDIT_PER_TASK 0x01 /* Apply rule at task creation (not syscall) */
@@ -132,16 +169,9 @@
#define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
-#ifndef __KERNEL__
-struct audit_message {
- struct nlmsghdr nlh;
- char data[1200];
-};
-#endif
-
struct audit_status {
__u32 mask; /* Bit mask for valid entries */
- __u32 enabled; /* 1 = enabled, 0 = disbaled */
+ __u32 enabled; /* 1 = enabled, 0 = disabled */
__u32 failure; /* Failure-to-log action */
__u32 pid; /* pid of auditd process */
__u32 rate_limit; /* messages rate limit (per second) */
@@ -161,6 +191,11 @@ struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
#ifdef __KERNEL__
+struct audit_sig_info {
+ uid_t uid;
+ pid_t pid;
+};
+
struct audit_buffer;
struct audit_context;
struct inode;
@@ -185,11 +220,16 @@ extern void audit_inode(const char *name, const struct inode *inode);
/* Private API (for audit.c only) */
extern int audit_receive_filter(int type, int pid, int uid, int seq,
void *data, uid_t loginuid);
-extern void audit_get_stamp(struct audit_context *ctx,
- struct timespec *t, unsigned int *serial);
+extern unsigned int audit_serial(void);
+extern void 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_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
+extern int 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_signal_info(int sig, struct task_struct *t);
#else
#define audit_alloc(t) ({ 0; })
#define audit_free(t) do { ; } while (0)
@@ -198,18 +238,24 @@ extern int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mo
#define audit_getname(n) do { ; } while (0)
#define audit_putname(n) do { ; } while (0)
#define audit_inode(n,i) do { ; } while (0)
+#define audit_receive_filter(t,p,u,s,d,l) ({ -EOPNOTSUPP; })
+#define auditsc_get_stamp(c,t,s) do { BUG(); } while (0)
#define audit_get_loginuid(c) ({ -1; })
#define audit_ipc_perms(q,u,g,m) ({ 0; })
+#define audit_socketcall(n,a) ({ 0; })
+#define audit_sockaddr(len, addr) ({ 0; })
+#define audit_avc_path(dentry, mnt) ({ 0; })
+#define audit_signal_info(s,t) do { ; } while (0)
#endif
#ifdef CONFIG_AUDIT
/* These are defined in audit.c */
/* Public API */
-extern void audit_log(struct audit_context *ctx,
+extern void audit_log(struct audit_context *ctx, int type,
const char *fmt, ...)
- __attribute__((format(printf,2,3)));
+ __attribute__((format(printf,3,4)));
-extern struct audit_buffer *audit_log_start(struct audit_context *ctx);
+extern struct audit_buffer *audit_log_start(struct audit_context *ctx,int type);
extern void audit_log_format(struct audit_buffer *ab,
const char *fmt, ...)
__attribute__((format(printf,2,3)));
@@ -229,8 +275,8 @@ extern void audit_send_reply(int pid, int seq, int type,
void *payload, int size);
extern void audit_log_lost(const char *message);
#else
-#define audit_log(t,f,...) do { ; } while (0)
-#define audit_log_start(t) ({ NULL; })
+#define audit_log(c,t,f,...) do { ; } while (0)
+#define audit_log_start(c,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)