--- /dev/null
+/* audit.h -- Auditing support
+ *
+ * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Written by Rickard E. (Rik) Faith <faith@redhat.com>
+ *
+ */
+
+#ifndef _LINUX_AUDIT_H_
+#define _LINUX_AUDIT_H_
+
+#include <elf.h>
+
+/* 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 /* Filname 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_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) */
+#define AUDIT_AT_ENTRY 0x02 /* Apply rule at syscall entry */
+#define AUDIT_AT_EXIT 0x04 /* Apply rule at syscall exit */
+#define AUDIT_PREPEND 0x10 /* Prepend to front of list */
+
+/* Rule actions */
+#define AUDIT_NEVER 0 /* Do not build context if rule matches */
+#define AUDIT_POSSIBLE 1 /* Build context if rule matches */
+#define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */
+
+/* Rule structure sizes -- if these change, different AUDIT_ADD and
+ * AUDIT_LIST commands must be implemented. */
+#define AUDIT_MAX_FIELDS 64
+#define AUDIT_BITMASK_SIZE 64
+#define AUDIT_WORD(nr) ((uint32_t)((nr)/32))
+#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
+
+/* Rule fields */
+ /* These are useful when checking the
+ * task structure at task creation time
+ * (AUDIT_PER_TASK). */
+#define AUDIT_PID 0
+#define AUDIT_UID 1
+#define AUDIT_EUID 2
+#define AUDIT_SUID 3
+#define AUDIT_FSUID 4
+#define AUDIT_GID 5
+#define AUDIT_EGID 6
+#define AUDIT_SGID 7
+#define AUDIT_FSGID 8
+#define AUDIT_LOGINUID 9
+#define AUDIT_PERS 10
+#define AUDIT_ARCH 11
+
+ /* These are ONLY useful when checking
+ * at syscall exit time (AUDIT_AT_EXIT). */
+#define AUDIT_DEVMAJOR 100
+#define AUDIT_DEVMINOR 101
+#define AUDIT_INODE 102
+#define AUDIT_EXIT 103
+#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
+
+#define AUDIT_ARG0 200
+#define AUDIT_ARG1 (AUDIT_ARG0+1)
+#define AUDIT_ARG2 (AUDIT_ARG0+2)
+#define AUDIT_ARG3 (AUDIT_ARG0+3)
+
+#define AUDIT_NEGATE 0x80000000
+
+
+/* Status symbols */
+ /* Mask values */
+#define AUDIT_STATUS_ENABLED 0x0001
+#define AUDIT_STATUS_FAILURE 0x0002
+#define AUDIT_STATUS_PID 0x0004
+#define AUDIT_STATUS_RATE_LIMIT 0x0008
+#define AUDIT_STATUS_BACKLOG_LIMIT 0x0010
+ /* Failure-to-log actions */
+#define AUDIT_FAIL_SILENT 0
+#define AUDIT_FAIL_PRINTK 1
+#define AUDIT_FAIL_PANIC 2
+
+/* distinguish syscall tables */
+#define __AUDIT_ARCH_64BIT 0x80000000
+#define __AUDIT_ARCH_LE 0x40000000
+#define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_ARMEB (EM_ARM)
+#define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_FRV (EM_FRV)
+#define AUDIT_ARCH_H8300 (EM_H8_300)
+#define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_M32R (EM_M32R)
+#define AUDIT_ARCH_M68K (EM_68K)
+#define AUDIT_ARCH_MIPS (EM_MIPS)
+#define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT)
+#define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_PARISC (EM_PARISC)
+#define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT)
+#define AUDIT_ARCH_PPC (EM_PPC)
+#define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT)
+#define AUDIT_ARCH_S390 (EM_S390)
+#define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT)
+#define AUDIT_ARCH_SH (EM_SH)
+#define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT)
+#define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_SPARC (EM_SPARC)
+#define AUDIT_ARCH_SPARC64 (EM_SPARC64|__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)
+
+struct audit_status {
+ uint32_t mask; /* Bit mask for valid entries */
+ uint32_t enabled; /* 1 = enabled, 0 = disabled */
+ uint32_t failure; /* Failure-to-log action */
+ uint32_t pid; /* pid of auditd process */
+ uint32_t rate_limit; /* messages rate limit (per second) */
+ uint32_t backlog_limit; /* waiting messages limit */
+ uint32_t lost; /* messages lost */
+ uint32_t backlog; /* messages waiting in queue */
+};
+
+struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
+ uint32_t flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
+ uint32_t action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
+ uint32_t field_count;
+ uint32_t mask[AUDIT_BITMASK_SIZE];
+ uint32_t fields[AUDIT_MAX_FIELDS];
+ uint32_t values[AUDIT_MAX_FIELDS];
+};
+
+#endif /* _LINUX_AUDIT_H_ */
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