xref: /freebsd/sys/bsm/audit_record.h (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /*-
2  * Copyright (c) 2005-2009 Apple Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1.  Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  * 2.  Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
15  *     its contributors may be used to endorse or promote products derived
16  *     from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * P4: //depot/projects/trustedbsd/openbsm/sys/bsm/audit_record.h#10
30  * $FreeBSD$
31  */
32 
33 #ifndef _BSM_AUDIT_RECORD_H_
34 #define _BSM_AUDIT_RECORD_H_
35 
36 #include <sys/types.h>
37 #include <sys/time.h>			/* struct timeval */
38 
39 /*
40  * Token type identifiers.
41  */
42 #define	AUT_INVALID		0x00
43 #define	AUT_OTHER_FILE32	0x11
44 #define	AUT_OHEADER		0x12
45 #define	AUT_TRAILER		0x13
46 #define	AUT_HEADER32		0x14
47 #define	AUT_HEADER32_EX		0x15
48 #define	AUT_DATA		0x21
49 #define	AUT_IPC			0x22
50 #define	AUT_PATH		0x23
51 #define	AUT_SUBJECT32		0x24
52 #define	AUT_XATPATH		0x25
53 #define	AUT_PROCESS32		0x26
54 #define	AUT_RETURN32		0x27
55 #define	AUT_TEXT		0x28
56 #define	AUT_OPAQUE		0x29
57 #define	AUT_IN_ADDR		0x2a
58 #define	AUT_IP			0x2b
59 #define	AUT_IPORT		0x2c
60 #define	AUT_ARG32		0x2d
61 #define	AUT_SOCKET		0x2e
62 #define	AUT_SEQ			0x2f
63 #define	AUT_ACL			0x30
64 #define	AUT_ATTR		0x31
65 #define	AUT_IPC_PERM		0x32
66 #define	AUT_LABEL		0x33
67 #define	AUT_GROUPS		0x34
68 #define	AUT_ACE			0x35
69 #define	AUT_PRIV		0x38
70 #define	AUT_UPRIV		0x39
71 #define	AUT_LIAISON		0x3a
72 #define	AUT_NEWGROUPS		0x3b
73 #define	AUT_EXEC_ARGS		0x3c
74 #define	AUT_EXEC_ENV		0x3d
75 #define	AUT_ATTR32		0x3e
76 #define	AUT_UNAUTH		0x3f
77 #define	AUT_XATOM		0x40
78 #define	AUT_XOBJ		0x41
79 #define	AUT_XPROTO		0x42
80 #define	AUT_XSELECT		0x43
81 #define	AUT_XCOLORMAP		0x44
82 #define	AUT_XCURSOR		0x45
83 #define	AUT_XFONT		0x46
84 #define	AUT_XGC			0x47
85 #define	AUT_XPIXMAP		0x48
86 #define	AUT_XPROPERTY		0x49
87 #define	AUT_XWINDOW		0x4a
88 #define	AUT_XCLIENT		0x4b
89 #define	AUT_CMD			0x51
90 #define	AUT_EXIT		0x52
91 #define	AUT_ZONENAME		0x60
92 #define	AUT_HOST		0x70
93 #define	AUT_ARG64		0x71
94 #define	AUT_RETURN64		0x72
95 #define	AUT_ATTR64		0x73
96 #define	AUT_HEADER64		0x74
97 #define	AUT_SUBJECT64		0x75
98 #define	AUT_PROCESS64		0x77
99 #define	AUT_OTHER_FILE64	0x78
100 #define	AUT_HEADER64_EX		0x79
101 #define	AUT_SUBJECT32_EX	0x7a
102 #define	AUT_PROCESS32_EX	0x7b
103 #define	AUT_SUBJECT64_EX	0x7c
104 #define	AUT_PROCESS64_EX	0x7d
105 #define	AUT_IN_ADDR_EX		0x7e
106 #define	AUT_SOCKET_EX		0x7f
107 
108 /*
109  * Pre-64-bit BSM, 32-bit tokens weren't explicitly named as '32'.  We have
110  * compatibility defines.
111  */
112 #define	AUT_HEADER		AUT_HEADER32
113 #define	AUT_ARG			AUT_ARG32
114 #define	AUT_RETURN		AUT_RETURN32
115 #define	AUT_SUBJECT		AUT_SUBJECT32
116 #define	AUT_PROCESS		AUT_PROCESS32
117 #define	AUT_OTHER_FILE		AUT_OTHER_FILE32
118 
119 /*
120  * The values for the following token ids are not defined by BSM.
121  *
122  * XXXRW: Not sure how to handle these in OpenBSM yet, but I'll give them
123  * names more consistent with Sun's BSM.  These originally came from Apple's
124  * BSM.
125  */
126 #define	AUT_SOCKINET32		0x80		/* XXX */
127 #define	AUT_SOCKINET128		0x81		/* XXX */
128 #define	AUT_SOCKUNIX		0x82		/* XXX */
129 
130 #define	AUT_RIGHTS		0x83
131 
132 /* print values for the arbitrary token */
133 #define AUP_BINARY      0
134 #define AUP_OCTAL       1
135 #define AUP_DECIMAL     2
136 #define AUP_HEX         3
137 #define AUP_STRING      4
138 
139 /* data-types for the arbitrary token */
140 #define AUR_BYTE        0
141 #define AUR_CHAR        AUR_BYTE
142 #define AUR_SHORT       1
143 #define AUR_INT32       2
144 #define AUR_INT         AUR_INT32
145 #define AUR_INT64       3
146 
147 /* ... and their sizes */
148 #define AUR_BYTE_SIZE       sizeof(u_char)
149 #define AUR_CHAR_SIZE       AUR_BYTE_SIZE
150 #define AUR_SHORT_SIZE      sizeof(uint16_t)
151 #define AUR_INT32_SIZE      sizeof(uint32_t)
152 #define AUR_INT_SIZE        AUR_INT32_SIZE
153 #define AUR_INT64_SIZE      sizeof(uint64_t)
154 
155 /* Modifiers for the header token */
156 #define PAD_NOTATTR  0x4000   /* nonattributable event */
157 #define PAD_FAILURE  0x8000   /* fail audit event */
158 
159 #define AUDIT_MAX_GROUPS      16
160 
161 /*
162  * A number of BSM versions are floating around and defined.  Here are
163  * constants for them.  OpenBSM uses the same token types, etc, used in the
164  * Solaris BSM version, but has a separate version number in order to
165  * identify a potentially different event identifier name space.
166  */
167 #define	AUDIT_HEADER_VERSION_OLDDARWIN	1	/* In retrospect, a mistake. */
168 #define	AUDIT_HEADER_VERSION_SOLARIS	2
169 #define	AUDIT_HEADER_VERSION_TSOL25	3
170 #define	AUDIT_HEADER_VERSION_TSOL	4
171 #define	AUDIT_HEADER_VERSION_OPENBSM10	10
172 #define	AUDIT_HEADER_VERSION_OPENBSM11	11
173 #define	AUDIT_HEADER_VERSION_OPENBSM	AUDIT_HEADER_VERSION_OPENBSM11
174 
175 #define	AUT_TRAILER_MAGIC	0xb105
176 
177 /* BSM library calls */
178 
179 __BEGIN_DECLS
180 
181 struct in_addr;
182 struct in6_addr;
183 struct ip;
184 struct ipc_perm;
185 struct kevent;
186 struct sockaddr;
187 struct sockaddr_in;
188 struct sockaddr_in6;
189 struct sockaddr_un;
190 #if defined(_KERNEL) || defined(KERNEL)
191 struct vnode_au_info;
192 #endif
193 
194 #ifndef	_CAP_RIGHTS_T_DECLARED
195 #define	_CAP_RIGHTS_T_DECLARED
196 struct cap_rights;
197 
198 typedef	struct cap_rights	cap_rights_t;
199 #endif
200 
201 int	 au_open(void);
202 int	 au_write(int d, token_t *m);
203 int	 au_close(int d, int keep, short event);
204 int	 au_close_buffer(int d, short event, u_char *buffer, size_t *buflen);
205 int	 au_close_token(token_t *tok, u_char *buffer, size_t *buflen);
206 
207 token_t	*au_to_file(const char *file, struct timeval tm);
208 
209 token_t	*au_to_header32_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
210 	    struct timeval tm);
211 token_t	*au_to_header32_ex_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
212 	    struct timeval tm, struct auditinfo_addr *aia);
213 token_t	*au_to_header64_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
214 	    struct timeval tm);
215 #if !defined(KERNEL) && !defined(_KERNEL)
216 token_t	*au_to_header(int rec_size, au_event_t e_type, au_emod_t e_mod);
217 token_t	*au_to_header_ex(int rec_size, au_event_t e_type, au_emod_t e_mod);
218 token_t	*au_to_header32(int rec_size, au_event_t e_type, au_emod_t e_mod);
219 token_t	*au_to_header64(int rec_size, au_event_t e_type, au_emod_t e_mod);
220 token_t	*au_to_header32_ex(int rec_size, au_event_t e_type, au_emod_t e_mod);
221 #endif
222 
223 token_t	*au_to_me(void);
224 token_t	*au_to_arg(char n, const char *text, uint32_t v);
225 token_t	*au_to_arg32(char n, const char *text, uint32_t v);
226 token_t	*au_to_arg64(char n, const char *text, uint64_t v);
227 
228 #if defined(_KERNEL) || defined(KERNEL)
229 token_t	*au_to_attr(struct vnode_au_info *vni);
230 token_t	*au_to_attr32(struct vnode_au_info *vni);
231 token_t	*au_to_attr64(struct vnode_au_info *vni);
232 #endif
233 
234 token_t	*au_to_data(char unit_print, char unit_type, char unit_count,
235 	    const char *p);
236 token_t	*au_to_exit(int retval, int err);
237 token_t	*au_to_groups(int *groups);
238 token_t	*au_to_newgroups(uint16_t n, gid_t *groups);
239 token_t	*au_to_in_addr(struct in_addr *internet_addr);
240 token_t	*au_to_in_addr_ex(struct in6_addr *internet_addr);
241 token_t	*au_to_ip(struct ip *ip);
242 token_t	*au_to_ipc(char type, int id);
243 token_t	*au_to_ipc_perm(struct ipc_perm *perm);
244 token_t	*au_to_iport(uint16_t iport);
245 token_t	*au_to_opaque(const char *data, uint16_t bytes);
246 token_t	*au_to_path(const char *path);
247 token_t	*au_to_privset(char *privtypestr, char *privstr);
248 token_t	*au_to_process(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
249 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
250 token_t	*au_to_process32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
251 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
252 token_t	*au_to_process64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
253 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
254 token_t	*au_to_process_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
255 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
256 token_t	*au_to_process32_ex(au_id_t auid, uid_t euid, gid_t egid,
257 	    uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid,
258 	    au_tid_addr_t *tid);
259 token_t	*au_to_process64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
260 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
261 token_t	*au_to_rights(cap_rights_t *rightsp);
262 token_t	*au_to_return(char status, uint32_t ret);
263 token_t	*au_to_return32(char status, uint32_t ret);
264 token_t	*au_to_return64(char status, uint64_t ret);
265 token_t	*au_to_seq(long audit_count);
266 token_t	*au_to_socket_ex(u_short so_domain, u_short so_type,
267 	    struct sockaddr *sa_local, struct sockaddr *sa_remote);
268 token_t	*au_to_sock_inet(struct sockaddr_in *so);
269 token_t	*au_to_sock_inet32(struct sockaddr_in *so);
270 token_t	*au_to_sock_inet128(struct sockaddr_in6 *so);
271 token_t	*au_to_sock_unix(struct sockaddr_un *so);
272 token_t	*au_to_subject(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
273 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
274 token_t	*au_to_subject32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
275 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
276 token_t	*au_to_subject64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
277 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
278 token_t	*au_to_subject_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
279 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
280 token_t	*au_to_subject32_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
281 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
282 token_t	*au_to_subject64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
283 	    gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
284 #if defined(_KERNEL) || defined(KERNEL)
285 token_t	*au_to_exec_args(char *args, int argc);
286 token_t	*au_to_exec_env(char *envs, int envc);
287 #else
288 token_t	*au_to_exec_args(char **argv);
289 token_t	*au_to_exec_env(char **envp);
290 #endif
291 token_t	*au_to_text(const char *text);
292 token_t	*au_to_kevent(struct kevent *kev);
293 token_t	*au_to_trailer(int rec_size);
294 token_t	*au_to_upriv(char sorf, char *priv);
295 token_t	*au_to_zonename(const char *zonename);
296 
297 /*
298  * BSM library routines for converting between local and BSM constant spaces.
299  */
300 int	 au_bsm_to_domain(u_short bsm_domain, int *local_domainp);
301 int	 au_bsm_to_errno(u_char bsm_error, int *errorp);
302 int	 au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp);
303 int	 au_bsm_to_socket_type(u_short bsm_socket_type,
304 	    int *local_socket_typep);
305 u_short	 au_domain_to_bsm(int local_domain);
306 u_char	 au_errno_to_bsm(int local_errno);
307 u_short	 au_fcntl_cmd_to_bsm(int local_fcntl_command);
308 u_short	 au_socket_type_to_bsm(int local_socket_type);
309 
310 __END_DECLS
311 
312 #endif /* ! _BSM_AUDIT_RECORD_H_ */
313