xref: /freebsd/sys/bsm/audit_record.h (revision 0957b409a90fd597c1e9124cbaf3edd2b488f4ac)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2005-2009 Apple Inc.
5  * All rights reserved.
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 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  * $FreeBSD$
32  */
33 
34 #ifndef _BSM_AUDIT_RECORD_H_
35 #define _BSM_AUDIT_RECORD_H_
36 
37 #include <sys/types.h>
38 #include <sys/time.h>			/* struct timeval */
39 
40 /*
41  * Token type identifiers.
42  */
43 #define	AUT_INVALID		0x00
44 #define	AUT_OTHER_FILE32	0x11
45 #define	AUT_OHEADER		0x12
46 #define	AUT_TRAILER		0x13
47 #define	AUT_HEADER32		0x14
48 #define	AUT_HEADER32_EX		0x15
49 #define	AUT_DATA		0x21
50 #define	AUT_IPC			0x22
51 #define	AUT_PATH		0x23
52 #define	AUT_SUBJECT32		0x24
53 #define	AUT_XATPATH		0x25
54 #define	AUT_PROCESS32		0x26
55 #define	AUT_RETURN32		0x27
56 #define	AUT_TEXT		0x28
57 #define	AUT_OPAQUE		0x29
58 #define	AUT_IN_ADDR		0x2a
59 #define	AUT_IP			0x2b
60 #define	AUT_IPORT		0x2c
61 #define	AUT_ARG32		0x2d
62 #define	AUT_SOCKET		0x2e
63 #define	AUT_SEQ			0x2f
64 #define	AUT_ACL			0x30
65 #define	AUT_ATTR		0x31
66 #define	AUT_IPC_PERM		0x32
67 #define	AUT_LABEL		0x33
68 #define	AUT_GROUPS		0x34
69 #define	AUT_ACE			0x35
70 #define	AUT_PRIV		0x38
71 #define	AUT_UPRIV		0x39
72 #define	AUT_LIAISON		0x3a
73 #define	AUT_NEWGROUPS		0x3b
74 #define	AUT_EXEC_ARGS		0x3c
75 #define	AUT_EXEC_ENV		0x3d
76 #define	AUT_ATTR32		0x3e
77 #define	AUT_UNAUTH		0x3f
78 #define	AUT_XATOM		0x40
79 #define	AUT_XOBJ		0x41
80 #define	AUT_XPROTO		0x42
81 #define	AUT_XSELECT		0x43
82 #define	AUT_XCOLORMAP		0x44
83 #define	AUT_XCURSOR		0x45
84 #define	AUT_XFONT		0x46
85 #define	AUT_XGC			0x47
86 #define	AUT_XPIXMAP		0x48
87 #define	AUT_XPROPERTY		0x49
88 #define	AUT_XWINDOW		0x4a
89 #define	AUT_XCLIENT		0x4b
90 #define	AUT_CMD			0x51
91 #define	AUT_EXIT		0x52
92 #define	AUT_ZONENAME		0x60
93 #define	AUT_HOST		0x70
94 #define	AUT_ARG64		0x71
95 #define	AUT_RETURN64		0x72
96 #define	AUT_ATTR64		0x73
97 #define	AUT_HEADER64		0x74
98 #define	AUT_SUBJECT64		0x75
99 #define	AUT_PROCESS64		0x77
100 #define	AUT_OTHER_FILE64	0x78
101 #define	AUT_HEADER64_EX		0x79
102 #define	AUT_SUBJECT32_EX	0x7a
103 #define	AUT_PROCESS32_EX	0x7b
104 #define	AUT_SUBJECT64_EX	0x7c
105 #define	AUT_PROCESS64_EX	0x7d
106 #define	AUT_IN_ADDR_EX		0x7e
107 #define	AUT_SOCKET_EX		0x7f
108 
109 /*
110  * Pre-64-bit BSM, 32-bit tokens weren't explicitly named as '32'.  We have
111  * compatibility defines.
112  */
113 #define	AUT_HEADER		AUT_HEADER32
114 #define	AUT_ARG			AUT_ARG32
115 #define	AUT_RETURN		AUT_RETURN32
116 #define	AUT_SUBJECT		AUT_SUBJECT32
117 #define	AUT_PROCESS		AUT_PROCESS32
118 #define	AUT_OTHER_FILE		AUT_OTHER_FILE32
119 
120 /*
121  * The values for the following token ids are not defined by BSM.
122  *
123  * XXXRW: Not sure how to handle these in OpenBSM yet, but I'll give them
124  * names more consistent with Sun's BSM.  These originally came from Apple's
125  * BSM.
126  */
127 #define	AUT_SOCKINET32		0x80		/* XXX */
128 #define	AUT_SOCKINET128		0x81		/* XXX */
129 #define	AUT_SOCKUNIX		0x82		/* XXX */
130 
131 #define	AUT_RIGHTS		0x83
132 
133 /* print values for the arbitrary token */
134 #define AUP_BINARY      0
135 #define AUP_OCTAL       1
136 #define AUP_DECIMAL     2
137 #define AUP_HEX         3
138 #define AUP_STRING      4
139 
140 /* data-types for the arbitrary token */
141 #define AUR_BYTE        0
142 #define AUR_CHAR        AUR_BYTE
143 #define AUR_SHORT       1
144 #define AUR_INT32       2
145 #define AUR_INT         AUR_INT32
146 #define AUR_INT64       3
147 
148 /* ... and their sizes */
149 #define AUR_BYTE_SIZE       sizeof(u_char)
150 #define AUR_CHAR_SIZE       AUR_BYTE_SIZE
151 #define AUR_SHORT_SIZE      sizeof(uint16_t)
152 #define AUR_INT32_SIZE      sizeof(uint32_t)
153 #define AUR_INT_SIZE        AUR_INT32_SIZE
154 #define AUR_INT64_SIZE      sizeof(uint64_t)
155 
156 /* Modifiers for the header token */
157 #define PAD_NOTATTR  0x4000   /* nonattributable event */
158 #define PAD_FAILURE  0x8000   /* fail audit event */
159 
160 #define AUDIT_MAX_GROUPS      16
161 
162 /*
163  * A number of BSM versions are floating around and defined.  Here are
164  * constants for them.  OpenBSM uses the same token types, etc, used in the
165  * Solaris BSM version, but has a separate version number in order to
166  * identify a potentially different event identifier name space.
167  */
168 #define	AUDIT_HEADER_VERSION_OLDDARWIN	1	/* In retrospect, a mistake. */
169 #define	AUDIT_HEADER_VERSION_SOLARIS	2
170 #define	AUDIT_HEADER_VERSION_TSOL25	3
171 #define	AUDIT_HEADER_VERSION_TSOL	4
172 #define	AUDIT_HEADER_VERSION_OPENBSM10	10
173 #define	AUDIT_HEADER_VERSION_OPENBSM11	11
174 #define	AUDIT_HEADER_VERSION_OPENBSM	AUDIT_HEADER_VERSION_OPENBSM11
175 
176 #define	AUT_TRAILER_MAGIC	0xb105
177 
178 /* BSM library calls */
179 
180 __BEGIN_DECLS
181 
182 struct in_addr;
183 struct in6_addr;
184 struct ip;
185 struct ipc_perm;
186 struct kevent;
187 struct sockaddr;
188 struct sockaddr_in;
189 struct sockaddr_in6;
190 struct sockaddr_un;
191 #if defined(_KERNEL) || defined(KERNEL)
192 struct vnode_au_info;
193 #endif
194 
195 #ifndef	_CAP_RIGHTS_T_DECLARED
196 #define	_CAP_RIGHTS_T_DECLARED
197 struct cap_rights;
198 
199 typedef	struct cap_rights	cap_rights_t;
200 #endif
201 
202 int	 au_open(void);
203 int	 au_write(int d, token_t *m);
204 int	 au_close(int d, int keep, short event);
205 int	 au_close_buffer(int d, short event, u_char *buffer, size_t *buflen);
206 int	 au_close_token(token_t *tok, u_char *buffer, size_t *buflen);
207 
208 token_t	*au_to_file(const char *file, struct timeval tm);
209 
210 token_t	*au_to_header32_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
211 	    struct timeval tm);
212 token_t	*au_to_header32_ex_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
213 	    struct timeval tm, struct auditinfo_addr *aia);
214 token_t	*au_to_header64_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
215 	    struct timeval tm);
216 #if !defined(KERNEL) && !defined(_KERNEL)
217 token_t	*au_to_header(int rec_size, au_event_t e_type, au_emod_t e_mod);
218 token_t	*au_to_header_ex(int rec_size, au_event_t e_type, au_emod_t e_mod);
219 token_t	*au_to_header32(int rec_size, au_event_t e_type, au_emod_t e_mod);
220 token_t	*au_to_header64(int rec_size, au_event_t e_type, au_emod_t e_mod);
221 token_t	*au_to_header32_ex(int rec_size, au_event_t e_type, au_emod_t e_mod);
222 #endif
223 
224 token_t	*au_to_me(void);
225 token_t	*au_to_arg(char n, const char *text, uint32_t v);
226 token_t	*au_to_arg32(char n, const char *text, uint32_t v);
227 token_t	*au_to_arg64(char n, const char *text, uint64_t v);
228 
229 #if defined(_KERNEL) || defined(KERNEL)
230 token_t	*au_to_attr(struct vnode_au_info *vni);
231 token_t	*au_to_attr32(struct vnode_au_info *vni);
232 token_t	*au_to_attr64(struct vnode_au_info *vni);
233 #endif
234 
235 token_t	*au_to_data(char unit_print, char unit_type, char unit_count,
236 	    const char *p);
237 token_t	*au_to_exit(int retval, int err);
238 token_t	*au_to_groups(int *groups);
239 token_t	*au_to_newgroups(uint16_t n, gid_t *groups);
240 token_t	*au_to_in_addr(struct in_addr *internet_addr);
241 token_t	*au_to_in_addr_ex(struct in6_addr *internet_addr);
242 token_t	*au_to_ip(struct ip *ip);
243 token_t	*au_to_ipc(char type, int id);
244 token_t	*au_to_ipc_perm(struct ipc_perm *perm);
245 token_t	*au_to_iport(uint16_t iport);
246 token_t	*au_to_opaque(const char *data, uint16_t bytes);
247 token_t	*au_to_path(const char *path);
248 token_t	*au_to_privset(char *privtypestr, char *privstr);
249 token_t	*au_to_process(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
250 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
251 token_t	*au_to_process32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
252 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
253 token_t	*au_to_process64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
254 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
255 token_t	*au_to_process_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
256 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
257 token_t	*au_to_process32_ex(au_id_t auid, uid_t euid, gid_t egid,
258 	    uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid,
259 	    au_tid_addr_t *tid);
260 token_t	*au_to_process64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
261 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
262 token_t	*au_to_rights(cap_rights_t *rightsp);
263 token_t	*au_to_return(char status, uint32_t ret);
264 token_t	*au_to_return32(char status, uint32_t ret);
265 token_t	*au_to_return64(char status, uint64_t ret);
266 token_t	*au_to_seq(long audit_count);
267 token_t	*au_to_socket_ex(u_short so_domain, u_short so_type,
268 	    struct sockaddr *sa_local, struct sockaddr *sa_remote);
269 token_t	*au_to_sock_inet(struct sockaddr_in *so);
270 token_t	*au_to_sock_inet32(struct sockaddr_in *so);
271 token_t	*au_to_sock_inet128(struct sockaddr_in6 *so);
272 token_t	*au_to_sock_unix(struct sockaddr_un *so);
273 token_t	*au_to_subject(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
274 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
275 token_t	*au_to_subject32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
276 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
277 token_t	*au_to_subject64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
278 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
279 token_t	*au_to_subject_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
280 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
281 token_t	*au_to_subject32_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
282 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
283 token_t	*au_to_subject64_ex(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_addr_t *tid);
285 #if defined(_KERNEL) || defined(KERNEL)
286 token_t	*au_to_exec_args(char *args, int argc);
287 token_t	*au_to_exec_env(char *envs, int envc);
288 #else
289 token_t	*au_to_exec_args(char **argv);
290 token_t	*au_to_exec_env(char **envp);
291 #endif
292 token_t	*au_to_text(const char *text);
293 token_t	*au_to_kevent(struct kevent *kev);
294 token_t	*au_to_trailer(int rec_size);
295 token_t	*au_to_upriv(char sorf, char *priv);
296 token_t	*au_to_zonename(const char *zonename);
297 
298 /*
299  * BSM library routines for converting between local and BSM constant spaces.
300  */
301 int	 au_bsm_to_domain(u_short bsm_domain, int *local_domainp);
302 int	 au_bsm_to_errno(u_char bsm_error, int *errorp);
303 int	 au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp);
304 int	 au_bsm_to_socket_type(u_short bsm_socket_type,
305 	    int *local_socket_typep);
306 u_short	 au_domain_to_bsm(int local_domain);
307 u_char	 au_errno_to_bsm(int local_errno);
308 u_short	 au_fcntl_cmd_to_bsm(int local_fcntl_command);
309 u_short	 au_socket_type_to_bsm(int local_socket_type);
310 
311 __END_DECLS
312 
313 #endif /* ! _BSM_AUDIT_RECORD_H_ */
314