1/*-
2 * Copyright (c) 2008-2022 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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $P4: //depot/projects/trustedbsd/openbsm/libbsm/bsm_fcntl.c#2 $
30 */
31
32#include <sys/param.h>
33#include <sys/fcntl.h>
34
35#include <security/audit/audit.h>
36
37#include <bsm/audit_record.h>
38#include <bsm/audit_fcntl.h>
39
40#if CONFIG_AUDIT
41struct bsm_fcntl_cmd {
42 u_short bfc_bsm_fcntl_cmd;
43 int bfc_local_fcntl_cmd;
44};
45typedef struct bsm_fcntl_cmd bsm_fcntl_cmd_t;
46
47static const bsm_fcntl_cmd_t bsm_fcntl_cmdtab[] = {
48 { BSM_F_DUPFD, F_DUPFD },
49 { BSM_F_GETFD, F_GETFD },
50 { BSM_F_SETFD, F_SETFD },
51 { BSM_F_GETFL, F_GETFL },
52 { BSM_F_SETFL, F_SETFL },
53#ifdef F_O_GETLK
54 { BSM_F_O_GETLK, F_O_GETLK },
55#endif
56 { BSM_F_SETLK, F_SETLK },
57 { BSM_F_SETLKW, F_SETLK },
58#ifdef F_CHFL
59 { BSM_F_CHKFL, F_CHKFL },
60#endif
61#ifdef F_DUP2FD
62 { BSM_F_DUP2FD, F_DUP2FD },
63#endif
64#ifdef F_ALLOCSP
65 { BSM_F_ALLOCSP, F_ALLOCSP },
66#endif
67#ifdef F_FREESP
68 { BSM_F_FREESP, F_FREESP },
69#endif
70#ifdef F_ISSTREAM
71 { BSM_F_ISSTREAM, F_ISSTREAM},
72#endif
73 { BSM_F_GETLK, F_GETLK },
74#ifdef F_PRIV
75 { BSM_F_PRIV, F_PRIV },
76#endif
77#ifdef F_NPRIV
78 { BSM_F_NPRIV, F_NPRIV },
79#endif
80#ifdef F_QUOTACTL
81 { BSM_F_QUOTACTL, F_QUOTACTL },
82#endif
83#ifdef F_BLOCKS
84 { BSM_F_BLOCKS, F_BLOCKS },
85#endif
86#ifdef F_BLKSIZE
87 { BSM_F_BLKSIZE, F_BLKSIZE },
88#endif
89 { BSM_F_GETOWN, F_GETOWN },
90 { BSM_F_SETOWN, F_SETOWN },
91#ifdef F_REVOKE
92 { BSM_F_REVOKE, F_REVOKE },
93#endif
94#ifdef F_HASREMOTEBLOCKS
95 { BSM_F_HASREMOTEBLOCKS,
96 F_HASREMOTEBLOCKS },
97#endif
98#ifdef F_FREESP
99 { BSM_F_FREESP, F_FREESP },
100#endif
101#ifdef F_ALLOCSP
102 { BSM_F_ALLOCSP, F_ALLOCSP },
103#endif
104#ifdef F_FREESP64
105 { BSM_F_FREESP64, F_FREESP64 },
106#endif
107#ifdef F_ALLOCSP64
108 { BSM_F_ALLOCSP64, F_ALLOCSP64 },
109#endif
110#ifdef F_GETLK64
111 { BSM_F_GETLK64, F_GETLK64 },
112#endif
113#ifdef F_SETLK64
114 { BSM_F_SETLK64, F_SETLK64 },
115#endif
116#ifdef F_SETLKW64
117 { BSM_F_SETLKW64, F_SETLKW64 },
118#endif
119#ifdef F_SHARE
120 { BSM_F_SHARE, F_SHARE },
121#endif
122#ifdef F_UNSHARE
123 { BSM_F_UNSHARE, F_UNSHARE },
124#endif
125#ifdef F_SETLK_NBMAND
126 { BSM_F_SETLK_NBMAND, F_SETLK_NBMAND },
127#endif
128#ifdef F_SHARE_NBMAND
129 { BSM_F_SHARE_NBMAND, F_SHARE_NBMAND },
130#endif
131#ifdef F_SETLK64_NBMAND
132 { BSM_F_SETLK64_NBMAND, F_SETLK64_NBMAND },
133#endif
134#ifdef F_GETXFL
135 { BSM_F_GETXFL, F_GETXFL },
136#endif
137#ifdef F_BADFD
138 { BSM_F_BADFD, F_BADFD },
139#endif
140#ifdef F_OGETLK
141 { BSM_F_OGETLK, F_OGETLK },
142#endif
143#ifdef F_OSETLK
144 { BSM_F_OSETLK, F_OSETLK },
145#endif
146#ifdef F_OSETLKW
147 { BSM_F_OSETLKW, F_OSETLKW },
148#endif
149#ifdef F_SETLK_REMOTE
150 { BSM_F_SETLK_REMOTE, F_SETLK_REMOTE },
151#endif
152
153#ifdef F_SETSIG
154 { BSM_F_SETSIG, F_SETSIG },
155#endif
156#ifdef F_GETSIG
157 { BSM_F_GETSIG, F_GETSIG },
158#endif
159
160#ifdef F_CHKCLEAN
161 { BSM_F_CHKCLEAN, F_CHKCLEAN },
162#endif
163#ifdef F_PREALLOCATE
164 { BSM_F_PREALLOCATE, F_PREALLOCATE },
165#endif
166#ifdef F_SETSIZE
167 { BSM_F_SETSIZE, F_SETSIZE },
168#endif
169#ifdef F_RDADVISE
170 { BSM_F_RDADVISE, F_RDADVISE },
171#endif
172#ifdef F_RDAHEAD
173 { BSM_F_RDAHEAD, F_RDAHEAD },
174#endif
175#ifdef F_NOCACHE
176 { BSM_F_NOCACHE, F_NOCACHE },
177#endif
178#ifdef F_LOG2PHYS
179 { BSM_F_LOG2PHYS, F_LOG2PHYS },
180#endif
181#ifdef F_GETPATH
182 { BSM_F_GETPATH, F_GETPATH },
183#endif
184#ifdef F_FULLFSYNC
185 { BSM_F_FULLFSYNC, F_FULLFSYNC },
186#endif
187#ifdef F_PATHPKG_CHECK
188 { BSM_F_PATHPKG_CHECK, F_PATHPKG_CHECK },
189#endif
190#ifdef F_FREEZE_FS
191 { BSM_F_FREEZE_FS, F_FREEZE_FS },
192#endif
193#ifdef F_THAW_FS
194 { BSM_F_THAW_FS, F_THAW_FS },
195#endif
196#ifdef F_GLOBAL_NOCACHE
197 { BSM_F_GLOBAL_NOCACHE, F_GLOBAL_NOCACHE },
198#endif
199#ifdef F_OPENFROM
200 { BSM_F_OPENFROM, F_OPENFROM },
201#endif
202#ifdef F_UNLINKFROM
203 { BSM_F_UNLINKFROM, F_UNLINKFROM },
204#endif
205#ifdef F_CHECK_OPENEVT
206 { BSM_F_CHECK_OPENEVT, F_CHECK_OPENEVT },
207#endif
208#ifdef F_ADDSIGS
209 { BSM_F_ADDSIGS, F_ADDSIGS },
210#endif
211#ifdef F_MARKDEPENDENCY
212 { BSM_F_MARKDEPENDENCY, F_MARKDEPENDENCY },
213#endif
214#ifdef F_BARRIERFSYNC
215 { BSM_F_BARRIERFSYNC, F_BARRIERFSYNC },
216#endif
217#ifdef F_PUNCHHOLE
218 { BSM_F_PUNCHHOLE, F_PUNCHHOLE },
219#endif
220#ifdef F_TRIM_ACTIVE_FILE
221 { BSM_F_TRIM_ACTIVE_FILE, F_TRIM_ACTIVE_FILE },
222#endif
223#ifdef F_SPECULATIVE_READ
224 { BSM_F_SPECULATIVE_READ, F_SPECULATIVE_READ },
225#endif
226#ifdef F_ATTRIBUTION_TAG
227 { BSM_F_ATTRIBUTION_TAG, F_ATTRIBUTION_TAG },
228#endif
229
230
231#ifdef FCNTL_FS_SPECIFIC_BASE
232 { BSM_F_FS_SPECIFIC_0, FCNTL_FS_SPECIFIC_BASE},
233 { BSM_F_FS_SPECIFIC_1, FCNTL_FS_SPECIFIC_BASE + 1},
234 { BSM_F_FS_SPECIFIC_2, FCNTL_FS_SPECIFIC_BASE + 2},
235 { BSM_F_FS_SPECIFIC_3, FCNTL_FS_SPECIFIC_BASE + 3},
236 { BSM_F_FS_SPECIFIC_4, FCNTL_FS_SPECIFIC_BASE + 4},
237 { BSM_F_FS_SPECIFIC_5, FCNTL_FS_SPECIFIC_BASE + 5},
238 { BSM_F_FS_SPECIFIC_6, FCNTL_FS_SPECIFIC_BASE + 6},
239 { BSM_F_FS_SPECIFIC_7, FCNTL_FS_SPECIFIC_BASE + 7},
240 { BSM_F_FS_SPECIFIC_8, FCNTL_FS_SPECIFIC_BASE + 8},
241 { BSM_F_FS_SPECIFIC_9, FCNTL_FS_SPECIFIC_BASE + 9},
242 { BSM_F_FS_SPECIFIC_10, FCNTL_FS_SPECIFIC_BASE + 10},
243 { BSM_F_FS_SPECIFIC_11, FCNTL_FS_SPECIFIC_BASE + 11},
244 { BSM_F_FS_SPECIFIC_12, FCNTL_FS_SPECIFIC_BASE + 12},
245 { BSM_F_FS_SPECIFIC_13, FCNTL_FS_SPECIFIC_BASE + 13},
246 { BSM_F_FS_SPECIFIC_14, FCNTL_FS_SPECIFIC_BASE + 14},
247 { BSM_F_FS_SPECIFIC_15, FCNTL_FS_SPECIFIC_BASE + 15},
248#endif /* FCNTL_FS_SPECIFIC_BASE */
249};
250static const int bsm_fcntl_cmd_count = sizeof(bsm_fcntl_cmdtab) /
251 sizeof(bsm_fcntl_cmdtab[0]);
252
253static const bsm_fcntl_cmd_t *
254bsm_lookup_local_fcntl_cmd(int local_fcntl_cmd)
255{
256 int i;
257
258 for (i = 0; i < bsm_fcntl_cmd_count; i++) {
259 if (bsm_fcntl_cmdtab[i].bfc_local_fcntl_cmd ==
260 local_fcntl_cmd) {
261 return &bsm_fcntl_cmdtab[i];
262 }
263 }
264 return NULL;
265}
266
267u_short
268au_fcntl_cmd_to_bsm(int local_fcntl_cmd)
269{
270 const bsm_fcntl_cmd_t *bfcp;
271
272 bfcp = bsm_lookup_local_fcntl_cmd(local_fcntl_cmd);
273 if (bfcp == NULL) {
274 return BSM_F_UNKNOWN;
275 }
276 return bfcp->bfc_bsm_fcntl_cmd;
277}
278
279static const bsm_fcntl_cmd_t *
280bsm_lookup_bsm_fcntl_cmd(u_short bsm_fcntl_cmd)
281{
282 int i;
283
284 for (i = 0; i < bsm_fcntl_cmd_count; i++) {
285 if (bsm_fcntl_cmdtab[i].bfc_bsm_fcntl_cmd ==
286 bsm_fcntl_cmd) {
287 return &bsm_fcntl_cmdtab[i];
288 }
289 }
290 return NULL;
291}
292
293int
294au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp)
295{
296 const bsm_fcntl_cmd_t *bfcp;
297
298 bfcp = bsm_lookup_bsm_fcntl_cmd(bsm_fcntl_cmd);
299 if (bfcp == NULL || bfcp->bfc_local_fcntl_cmd) {
300 return -1;
301 }
302 *local_fcntl_cmdp = bfcp->bfc_local_fcntl_cmd;
303 return 0;
304}
305#endif /* CONFIG_AUDIT */
306