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 |
41 | struct bsm_fcntl_cmd { |
42 | u_short bfc_bsm_fcntl_cmd; |
43 | int bfc_local_fcntl_cmd; |
44 | }; |
45 | typedef struct bsm_fcntl_cmd bsm_fcntl_cmd_t; |
46 | |
47 | static 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 | }; |
250 | static const int bsm_fcntl_cmd_count = sizeof(bsm_fcntl_cmdtab) / |
251 | sizeof(bsm_fcntl_cmdtab[0]); |
252 | |
253 | static const bsm_fcntl_cmd_t * |
254 | bsm_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 | |
267 | u_short |
268 | au_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 | |
279 | static const bsm_fcntl_cmd_t * |
280 | bsm_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 | |
293 | int |
294 | au_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 | |