xref: /freebsd/sys/bsm/audit_record.h (revision 94942af266ac119ede0ca836f9aa5a5ac0582938)
1 /*
2  * Copyright (c) 2005 Apple Computer, Inc.
3  * All rights reserved.
4  *
5  * @APPLE_BSD_LICENSE_HEADER_START@
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1.  Redistributions of source code must retain the above copyright
12  *     notice, this list of conditions and the following disclaimer.
13  * 2.  Redistributions in binary form must reproduce the above copyright
14  *     notice, this list of conditions and the following disclaimer in the
15  *     documentation and/or other materials provided with the distribution.
16  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
17  *     its contributors may be used to endorse or promote products derived
18  *     from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
24  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  * @APPLE_BSD_LICENSE_HEADER_END@
32  *
33  * P4: //depot/projects/trustedbsd/audit3/sys/bsm/audit_record.h#24
34  * $FreeBSD$
35  */
36 
37 #ifndef _BSM_AUDIT_RECORD_H_
38 #define _BSM_AUDIT_RECORD_H_
39 
40 #include <sys/time.h>			/* struct timeval */
41 
42 /*
43  * Token type identifiers.
44  */
45 #define	AUT_INVALID		0x00
46 #define	AUT_OTHER_FILE32	0x11
47 #define	AUT_OHEADER		0x12
48 #define	AUT_TRAILER		0x13
49 #define	AUT_HEADER32		0x14
50 #define	AUT_HEADER32_EX		0x15
51 #define	AUT_DATA		0x21
52 #define	AUT_IPC			0x22
53 #define	AUT_PATH		0x23
54 #define	AUT_SUBJECT32		0x24
55 #define	AUT_SERVER32		0x25
56 #define	AUT_PROCESS32		0x26
57 #define	AUT_RETURN32		0x27
58 #define	AUT_TEXT		0x28
59 #define	AUT_OPAQUE		0x29
60 #define	AUT_IN_ADDR		0x2a
61 #define	AUT_IP			0x2b
62 #define	AUT_IPORT		0x2c
63 #define	AUT_ARG32		0x2d
64 #define	AUT_SOCKET		0x2e
65 #define	AUT_SEQ			0x2f
66 #define	AUT_ACL			0x30
67 #define	AUT_ATTR		0x31
68 #define	AUT_IPC_PERM		0x32
69 #define	AUT_LABEL		0x33
70 #define	AUT_GROUPS		0x34
71 #define	AUT_ILABEL		0x35
72 #define	AUT_SLABEL		0x36
73 #define	AUT_CLEAR		0x37
74 #define	AUT_PRIV		0x38
75 #define	AUT_UPRIV		0x39
76 #define	AUT_LIAISON		0x3a
77 #define	AUT_NEWGROUPS		0x3b
78 #define	AUT_EXEC_ARGS		0x3c
79 #define	AUT_EXEC_ENV		0x3d
80 #define	AUT_ATTR32		0x3e
81 /* #define	AUT_????	0x3f */
82 #define	AUT_XATOM		0x40
83 #define	AUT_XOBJ		0x41
84 #define	AUT_XPROTO		0x42
85 #define	AUT_XSELECT		0x43
86 /* XXXRW: Additional X11 tokens not defined? */
87 #define	AUT_CMD			0x51
88 #define	AUT_EXIT		0x52
89 #define	AUT_ZONENAME		0x60
90 /* XXXRW: OpenBSM AUT_HOST 0x70? */
91 #define	AUT_ARG64		0x71
92 #define	AUT_RETURN64		0x72
93 #define	AUT_ATTR64		0x73
94 #define	AUT_HEADER64		0x74
95 #define	AUT_SUBJECT64		0x75
96 #define	AUT_SERVER64		0x76
97 #define	AUT_PROCESS64		0x77
98 #define	AUT_OTHER_FILE64	0x78
99 #define	AUT_HEADER64_EX		0x79
100 #define	AUT_SUBJECT32_EX	0x7a
101 #define	AUT_PROCESS32_EX	0x7b
102 #define	AUT_SUBJECT64_EX	0x7c
103 #define	AUT_PROCESS64_EX	0x7d
104 #define	AUT_IN_ADDR_EX		0x7e
105 #define	AUT_SOCKET_EX		0x7f
106 
107 /*
108  * Pre-64-bit BSM, 32-bit tokens weren't explicitly named as '32'.  We have
109  * compatibility defines.
110  */
111 #define	AUT_HEADER		AUT_HEADER32
112 #define	AUT_ARG			AUT_ARG32
113 #define	AUT_RETURN		AUT_RETURN32
114 #define	AUT_SUBJECT		AUT_SUBJECT32
115 #define	AUT_SERVER		AUT_SERVER32
116 #define	AUT_PROCESS		AUT_PROCESS32
117 #define	AUT_OTHER_FILE		AUT_OTHER_FILE32
118 
119 /*
120  * Darwin's bsm distribution uses the following non-BSM token name defines.
121  * We provide them for a single OpenBSM release for compatibility reasons.
122  */
123 #define	AU_FILE_TOKEN		AUT_OTHER_FILE32
124 #define	AU_TRAILER_TOKEN	AUT_TRAILER
125 #define	AU_HEADER_32_TOKEN	AUT_HEADER32
126 #define	AU_DATA_TOKEN		AUT_DATA
127 #define	AU_ARB_TOKEN		AUT_DATA
128 #define	AU_IPC_TOKEN		AUT_IPC
129 #define	AU_PATH_TOKEN		AUT_PATH
130 #define	AU_SUBJECT_32_TOKEN	AUT_SUBJECT32
131 #define	AU_PROCESS_32_TOKEN	AUT_PROCESS32
132 #define	AU_RETURN_32_TOKEN	AUT_RETURN32
133 #define	AU_TEXT_TOKEN		AUT_TEXT
134 #define	AU_OPAQUE_TOKEN		AUT_OPAQUE
135 #define	AU_IN_ADDR_TOKEN	AUT_IN_ADDR
136 #define	AU_IP_TOKEN		AUT_IP
137 #define	AU_IPORT_TOKEN		AUT_IPORT
138 #define	AU_ARG32_TOKEN		AUT_ARG32
139 #define	AU_SOCK_TOKEN		AUT_SOCKET
140 #define	AU_SEQ_TOKEN		AUT_SEQ
141 #define	AU_ATTR_TOKEN		AUT_ATTR
142 #define	AU_IPCPERM_TOKEN	AUT_IPC_PERM
143 #define	AU_NEWGROUPS_TOKEN	AUT_NEWGROUPS
144 #define	AU_EXEC_ARG_TOKEN	AUT_EXEC_ARGS
145 #define	AU_EXEC_ENV_TOKEN	AUT_EXEC_ENV
146 #define	AU_ATTR32_TOKEN		AUT_ATTR32
147 #define	AU_CMD_TOKEN		AUT_CMD
148 #define	AU_EXIT_TOKEN		AUT_EXIT
149 #define	AU_ARG64_TOKEN		AUT_ARG64
150 #define	AU_RETURN_64_TOKEN	AUT_RETURN64
151 #define	AU_ATTR64_TOKEN		AUT_ATTR64
152 #define	AU_HEADER_64_TOKEN	AUT_HEADER64
153 #define	AU_SUBJECT_64_TOKEN	AUT_SUBJECT64
154 #define	AU_PROCESS_64_TOKEN	AUT_PROCESS64
155 #define	AU_HEADER_64_EX_TOKEN	AUT_HEADER64_EX
156 #define	AU_SUBJECT_32_EX_TOKEN	AUT_SUBJECT32_EX
157 #define	AU_PROCESS_32_EX_TOKEN	AUT_PROCESS32_EX
158 #define	AU_SUBJECT_64_EX_TOKEN	AUT_SUBJECT64_EX
159 #define	AU_PROCESS_64_EX_TOKEN	AUT_PROCESS64_EX
160 #define	AU_IN_ADDR_EX_TOKEN	AUT_IN_ADDR_EX
161 #define	AU_SOCK_32_EX_TOKEN	AUT_SOCKET_EX
162 
163 /*
164  * The values for the following token ids are not defined by BSM.
165  *
166  * XXXRW: Not sure how to handle these in OpenBSM yet, but I'll give them
167  * names more consistent with Sun's BSM.  These originally came from Apple's
168  * BSM.
169  */
170 #define	AUT_SOCKINET32		0x80		/* XXX */
171 #define	AUT_SOCKINET128		0x81		/* XXX */
172 #define	AUT_SOCKUNIX		0x82		/* XXX */
173 #define	AU_SOCK_INET_32_TOKEN	AUT_SOCKINET32
174 #define	AU_SOCK_INET_128_TOKEN	AUT_SOCKINET128
175 #define	AU_SOCK_UNIX_TOKEN	AUT_SOCKUNIX
176 
177 /* print values for the arbitrary token */
178 #define AUP_BINARY      0
179 #define AUP_OCTAL       1
180 #define AUP_DECIMAL     2
181 #define AUP_HEX         3
182 #define AUP_STRING      4
183 
184 /* data-types for the arbitrary token */
185 #define AUR_BYTE        0
186 #define AUR_CHAR        AUR_BYTE
187 #define AUR_SHORT       1
188 #define AUR_INT32       2
189 #define AUR_INT         AUR_INT32
190 #define AUR_INT64       3
191 
192 /* ... and their sizes */
193 #define AUR_BYTE_SIZE       sizeof(u_char)
194 #define AUR_CHAR_SIZE       AUR_BYTE_SIZE
195 #define AUR_SHORT_SIZE      sizeof(uint16_t)
196 #define AUR_INT32_SIZE      sizeof(uint32_t)
197 #define AUR_INT_SIZE        AUR_INT32_SIZE
198 #define AUR_INT64_SIZE      sizeof(uint64_t)
199 
200 /* Modifiers for the header token */
201 #define PAD_NOTATTR  0x4000   /* nonattributable event */
202 #define PAD_FAILURE  0x8000   /* fail audit event */
203 
204 #define AUDIT_MAX_GROUPS      16
205 
206 /*
207  * A number of BSM versions are floating around and defined.  Here are
208  * constants for them.  OpenBSM uses the same token types, etc, used in the
209  * Solaris BSM version, but has a separate version number in order to
210  * identify a potentially different event identifier name space.
211  */
212 #define	AUDIT_HEADER_VERSION_OLDDARWIN	1	/* In retrospect, a mistake. */
213 #define	AUDIT_HEADER_VERSION_SOLARIS	2
214 #define	AUDIT_HEADER_VERSION_TSOL25	3
215 #define	AUDIT_HEADER_VERSION_TSOL	4
216 #define	AUDIT_HEADER_VERSION_OPENBSM	10
217 
218 /*
219  * BSM define is AUT_TRAILER_MAGIC; Apple BSM define is TRAILER_PAD_MAGIC; we
220  * split the difference, will remove the Apple define for the next release.
221  */
222 #define	AUT_TRAILER_MAGIC	0xb105
223 #define	TRAILER_PAD_MAGIC	AUT_TRAILER_MAGIC
224 
225 /* BSM library calls */
226 
227 __BEGIN_DECLS
228 
229 struct in_addr;
230 struct in6_addr;
231 struct ip;
232 struct ipc_perm;
233 struct kevent;
234 struct sockaddr_in;
235 struct sockaddr_in6;
236 struct sockaddr_un;
237 #if defined(_KERNEL) || defined(KERNEL)
238 struct vnode_au_info;
239 #endif
240 
241 int	 au_open(void);
242 int	 au_write(int d, token_t *m);
243 int	 au_close(int d, int keep, short event);
244 int	 au_close_buffer(int d, short event, u_char *buffer, size_t *buflen);
245 int	 au_close_token(token_t *tok, u_char *buffer, size_t *buflen);
246 
247 token_t	*au_to_file(char *file, struct timeval tm);
248 
249 token_t	*au_to_header32_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
250 	    struct timeval tm);
251 token_t	*au_to_header64_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
252 	    struct timeval tm);
253 #if !defined(KERNEL) && !defined(_KERNEL)
254 token_t	*au_to_header(int rec_size, au_event_t e_type, au_emod_t e_mod);
255 token_t	*au_to_header32(int rec_size, au_event_t e_type, au_emod_t e_mod);
256 token_t	*au_to_header64(int rec_size, au_event_t e_type, au_emod_t e_mod);
257 #endif
258 
259 token_t	*au_to_me(void);
260 token_t	*au_to_arg(char n, char *text, uint32_t v);
261 token_t	*au_to_arg32(char n, char *text, uint32_t v);
262 token_t	*au_to_arg64(char n, char *text, uint64_t v);
263 
264 #if defined(_KERNEL) || defined(KERNEL)
265 token_t	*au_to_attr(struct vnode_au_info *vni);
266 token_t	*au_to_attr32(struct vnode_au_info *vni);
267 token_t	*au_to_attr64(struct vnode_au_info *vni);
268 #endif
269 
270 token_t	*au_to_data(char unit_print, char unit_type, char unit_count,
271 	    char *p);
272 token_t	*au_to_exit(int retval, int err);
273 token_t	*au_to_groups(int *groups);
274 token_t	*au_to_newgroups(uint16_t n, gid_t *groups);
275 token_t	*au_to_in_addr(struct in_addr *internet_addr);
276 token_t	*au_to_in_addr_ex(struct in6_addr *internet_addr);
277 token_t	*au_to_ip(struct ip *ip);
278 token_t	*au_to_ipc(char type, int id);
279 token_t	*au_to_ipc_perm(struct ipc_perm *perm);
280 token_t	*au_to_iport(uint16_t iport);
281 token_t	*au_to_opaque(char *data, uint16_t bytes);
282 token_t	*au_to_path(char *path);
283 token_t	*au_to_process(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
284 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
285 token_t	*au_to_process32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
286 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
287 token_t	*au_to_process64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
288 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
289 token_t	*au_to_process_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
290 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
291 token_t	*au_to_process32_ex(au_id_t auid, uid_t euid, gid_t egid,
292 	    uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid,
293 	    au_tid_addr_t *tid);
294 token_t	*au_to_process64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
295 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
296 token_t	*au_to_return(char status, uint32_t ret);
297 token_t	*au_to_return32(char status, uint32_t ret);
298 token_t	*au_to_return64(char status, uint64_t ret);
299 token_t	*au_to_seq(long audit_count);
300 
301 #if defined(_KERNEL) || defined(KERNEL)
302 token_t	*au_to_socket(struct socket *so);
303 token_t	*au_to_socket_ex_32(uint16_t lp, uint16_t rp, struct sockaddr *la,
304 	    struct sockaddr *ta);
305 token_t	*au_to_socket_ex_128(uint16_t lp, uint16_t rp, struct sockaddr *la,
306 	    struct sockaddr *ta);
307 #endif
308 
309 token_t	*au_to_sock_inet(struct sockaddr_in *so);
310 token_t	*au_to_sock_inet32(struct sockaddr_in *so);
311 token_t	*au_to_sock_inet128(struct sockaddr_in6 *so);
312 token_t	*au_to_sock_unix(struct sockaddr_un *so);
313 token_t	*au_to_subject(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
314 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
315 token_t	*au_to_subject32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
316 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
317 token_t	*au_to_subject64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
318 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
319 token_t	*au_to_subject_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
320 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
321 token_t	*au_to_subject32_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
322 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
323 token_t	*au_to_subject64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
324 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
325 #if defined(_KERNEL) || defined(KERNEL)
326 token_t	*au_to_exec_args(char *args, int argc);
327 token_t	*au_to_exec_env(char *envs, int envc);
328 #else
329 token_t	*au_to_exec_args(char **argv);
330 token_t	*au_to_exec_env(char **envp);
331 #endif
332 token_t	*au_to_text(char *text);
333 token_t	*au_to_kevent(struct kevent *kev);
334 token_t	*au_to_trailer(int rec_size);
335 token_t	*au_to_zonename(char *zonename);
336 
337 __END_DECLS
338 
339 #endif /* ! _BSM_AUDIT_RECORD_H_ */
340