[packages/audit.git] / audit.h

/* 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_ */
Commit	Line	Data
a08bdbdc JB	1	/* audit.h -- Auditing support
	2	*
	3	* Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
	4	* All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	* Written by Rickard E. (Rik) Faith <faith@redhat.com>
	21	*
	22	*/
	23
	24	#ifndef _LINUX_AUDIT_H_
	25	#define _LINUX_AUDIT_H_
	26
	27	#include <elf.h>
	28
	29	/* The netlink messages for the audit system is divided into blocks:
	30	* 1000 - 1099 are for commanding the audit system
	31	* 1100 - 1199 user space trusted application messages
	32	* 1200 - 1299 messages internal to the audit daemon
	33	* 1300 - 1399 audit event messages
	34	* 1400 - 1499 SE Linux use
	35	* 1500 - 1999 future use
	36	* 2000 is for otherwise unclassified kernel audit messages
	37	*
	38	* Messages from 1000-1199 are bi-directional. 1200-1299 are exclusively user
	39	* space. Anything over that is kernel --> user space communication.
	40	*/
	41	#define AUDIT_GET 1000 /* Get status */
	42	#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
	43	#define AUDIT_LIST 1002 /* List syscall filtering rules */
	44	#define AUDIT_ADD 1003 /* Add syscall filtering rule */
	45	#define AUDIT_DEL 1004 /* Delete syscall filtering rule */
	46	#define AUDIT_USER 1005 /* Message from userspace -- deprecated */
	47	#define AUDIT_LOGIN 1006 /* Define the login id and information */
	48	#define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */
	49	#define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */
	50	#define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */
	51	#define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */
	52
	53	#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages uninteresting to kernel */
	54	#define AUDIT_LAST_USER_MSG 1199
	55
	56	#define AUDIT_DAEMON_START 1200 /* Daemon startup record */
	57	#define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */
	58	#define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */
	59	#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */
	60
	61	#define AUDIT_SYSCALL 1300 /* Syscall event */
	62	#define AUDIT_FS_WATCH 1301 /* Filesystem watch event */
	63	#define AUDIT_PATH 1302 /* Filname path information */
	64	#define AUDIT_IPC 1303 /* IPC record */
65	#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */
66	#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */
67	#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */
68
69	#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
70	#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
71	#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */
72
73	#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
74
75	/* Rule flags */
76	#define AUDIT_PER_TASK 0x01 /* Apply rule at task creation (not syscall) */
77	#define AUDIT_AT_ENTRY 0x02 /* Apply rule at syscall entry */
78	#define AUDIT_AT_EXIT 0x04 /* Apply rule at syscall exit */
79	#define AUDIT_PREPEND 0x10 /* Prepend to front of list */
80
81	/* Rule actions */
82	#define AUDIT_NEVER 0 /* Do not build context if rule matches */
83	#define AUDIT_POSSIBLE 1 /* Build context if rule matches */
84	#define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */
85
86	/* Rule structure sizes -- if these change, different AUDIT_ADD and
87	* AUDIT_LIST commands must be implemented. */
88	#define AUDIT_MAX_FIELDS 64
89	#define AUDIT_BITMASK_SIZE 64
90	#define AUDIT_WORD(nr) ((uint32_t)((nr)/32))
91	#define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
92
93	/* Rule fields */
94	/* These are useful when checking the
95	* task structure at task creation time
96	* (AUDIT_PER_TASK). */
97	#define AUDIT_PID 0
98	#define AUDIT_UID 1
99	#define AUDIT_EUID 2
100	#define AUDIT_SUID 3
101	#define AUDIT_FSUID 4
102	#define AUDIT_GID 5
103	#define AUDIT_EGID 6
104	#define AUDIT_SGID 7
105	#define AUDIT_FSGID 8
106	#define AUDIT_LOGINUID 9
107	#define AUDIT_PERS 10
108	#define AUDIT_ARCH 11
109
110	/* These are ONLY useful when checking
111	* at syscall exit time (AUDIT_AT_EXIT). */
112	#define AUDIT_DEVMAJOR 100
113	#define AUDIT_DEVMINOR 101
114	#define AUDIT_INODE 102
115	#define AUDIT_EXIT 103
116	#define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
117
118	#define AUDIT_ARG0 200
119	#define AUDIT_ARG1 (AUDIT_ARG0+1)
120	#define AUDIT_ARG2 (AUDIT_ARG0+2)
121	#define AUDIT_ARG3 (AUDIT_ARG0+3)
122
123	#define AUDIT_NEGATE 0x80000000
124
125
126	/* Status symbols */
127	/* Mask values */
128	#define AUDIT_STATUS_ENABLED 0x0001
129	#define AUDIT_STATUS_FAILURE 0x0002
130	#define AUDIT_STATUS_PID 0x0004
131	#define AUDIT_STATUS_RATE_LIMIT 0x0008
132	#define AUDIT_STATUS_BACKLOG_LIMIT 0x0010
133	/* Failure-to-log actions */
134	#define AUDIT_FAIL_SILENT 0
135	#define AUDIT_FAIL_PRINTK 1
136	#define AUDIT_FAIL_PANIC 2
137
138	/* distinguish syscall tables */
139	#define __AUDIT_ARCH_64BIT 0x80000000
140	#define __AUDIT_ARCH_LE 0x40000000
141	#define AUDIT_ARCH_ALPHA (EM_ALPHA\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
142	#define AUDIT_ARCH_ARM (EM_ARM\|__AUDIT_ARCH_LE)
143	#define AUDIT_ARCH_ARMEB (EM_ARM)
144	#define AUDIT_ARCH_CRIS (EM_CRIS\|__AUDIT_ARCH_LE)
145	#define AUDIT_ARCH_FRV (EM_FRV)
146	#define AUDIT_ARCH_H8300 (EM_H8_300)
147	#define AUDIT_ARCH_I386 (EM_386\|__AUDIT_ARCH_LE)
148	#define AUDIT_ARCH_IA64 (EM_IA_64\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
149	#define AUDIT_ARCH_M32R (EM_M32R)
150	#define AUDIT_ARCH_M68K (EM_68K)
151	#define AUDIT_ARCH_MIPS (EM_MIPS)
152	#define AUDIT_ARCH_MIPSEL (EM_MIPS\|__AUDIT_ARCH_LE)
153	#define AUDIT_ARCH_MIPS64 (EM_MIPS\|__AUDIT_ARCH_64BIT)
154	#define AUDIT_ARCH_MIPSEL64 (EM_MIPS\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
155	#define AUDIT_ARCH_PARISC (EM_PARISC)
156	#define AUDIT_ARCH_PARISC64 (EM_PARISC\|__AUDIT_ARCH_64BIT)
157	#define AUDIT_ARCH_PPC (EM_PPC)
158	#define AUDIT_ARCH_PPC64 (EM_PPC64\|__AUDIT_ARCH_64BIT)
159	#define AUDIT_ARCH_S390 (EM_S390)
160	#define AUDIT_ARCH_S390X (EM_S390\|__AUDIT_ARCH_64BIT)
161	#define AUDIT_ARCH_SH (EM_SH)
162	#define AUDIT_ARCH_SHEL (EM_SH\|__AUDIT_ARCH_LE)
163	#define AUDIT_ARCH_SH64 (EM_SH\|__AUDIT_ARCH_64BIT)
164	#define AUDIT_ARCH_SHEL64 (EM_SH\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
165	#define AUDIT_ARCH_SPARC (EM_SPARC)
166	#define AUDIT_ARCH_SPARC64 (EM_SPARC64\|__AUDIT_ARCH_64BIT)
167	#define AUDIT_ARCH_V850 (EM_V850\|__AUDIT_ARCH_LE)
168	#define AUDIT_ARCH_X86_64 (EM_X86_64\|__AUDIT_ARCH_64BIT\|__AUDIT_ARCH_LE)
169
170	struct audit_status {
171	uint32_t mask; /* Bit mask for valid entries */
172	uint32_t enabled; /* 1 = enabled, 0 = disabled */
173	uint32_t failure; /* Failure-to-log action */
174	uint32_t pid; /* pid of auditd process */
175	uint32_t rate_limit; /* messages rate limit (per second) */
176	uint32_t backlog_limit; /* waiting messages limit */
177	uint32_t lost; /* messages lost */
178	uint32_t backlog; /* messages waiting in queue */
179	};
180
181	struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
182	uint32_t flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
183	uint32_t action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
184	uint32_t field_count;
185	uint32_t mask[AUDIT_BITMASK_SIZE];
186	uint32_t fields[AUDIT_MAX_FIELDS];
187	uint32_t values[AUDIT_MAX_FIELDS];
188	};
189
190	#endif /* _LINUX_AUDIT_H_ */