1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2008-2009 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 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of Apple Inc. ("Apple") nor the names of
16 * its contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
28 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/param.h>
33 #include <sys/fcntl.h>
34
35 #include <security/audit/audit.h>
36
37 #include <bsm/audit_fcntl.h>
38 #include <bsm/audit_record.h>
39
40 struct bsm_fcntl_cmd {
41 u_short bfc_bsm_fcntl_cmd;
42 int bfc_local_fcntl_cmd;
43 };
44 typedef struct bsm_fcntl_cmd bsm_fcntl_cmd_t;
45
46 static const bsm_fcntl_cmd_t bsm_fcntl_cmdtab[] = {
47 { BSM_F_DUPFD, F_DUPFD },
48 { BSM_F_GETFD, F_GETFD },
49 { BSM_F_SETFD, F_SETFD },
50 { BSM_F_GETFL, F_GETFL },
51 { BSM_F_SETFL, F_SETFL },
52 #ifdef F_O_GETLK
53 { BSM_F_O_GETLK, F_O_GETLK },
54 #endif
55 { BSM_F_SETLK, F_SETLK },
56 { BSM_F_SETLKW, F_SETLK },
57 #ifdef F_CHFL
58 { BSM_F_CHKFL, F_CHKFL },
59 #endif
60 #ifdef F_DUP2FD
61 { BSM_F_DUP2FD, F_DUP2FD },
62 #endif
63 #ifdef F_ALLOCSP
64 { BSM_F_ALLOCSP, F_ALLOCSP },
65 #endif
66 #ifdef F_FREESP
67 { BSM_F_FREESP, F_FREESP },
68 #endif
69 #ifdef F_ISSTREAM
70 { BSM_F_ISSTREAM, F_ISSTREAM},
71 #endif
72 { BSM_F_GETLK, F_GETLK },
73 #ifdef F_PRIV
74 { BSM_F_PRIV, F_PRIV },
75 #endif
76 #ifdef F_NPRIV
77 { BSM_F_NPRIV, F_NPRIV },
78 #endif
79 #ifdef F_QUOTACTL
80 { BSM_F_QUOTACTL, F_QUOTACTL },
81 #endif
82 #ifdef F_BLOCKS
83 { BSM_F_BLOCKS, F_BLOCKS },
84 #endif
85 #ifdef F_BLKSIZE
86 { BSM_F_BLKSIZE, F_BLKSIZE },
87 #endif
88 { BSM_F_GETOWN, F_GETOWN },
89 { BSM_F_SETOWN, F_SETOWN },
90 #ifdef F_REVOKE
91 { BSM_F_REVOKE, F_REVOKE },
92 #endif
93 #ifdef F_HASREMOTEBLOCKS
94 { BSM_F_HASREMOTEBLOCKS,
95 F_HASREMOTEBLOCKS },
96 #endif
97 #ifdef F_FREESP
98 { BSM_F_FREESP, F_FREESP },
99 #endif
100 #ifdef F_ALLOCSP
101 { BSM_F_ALLOCSP, F_ALLOCSP },
102 #endif
103 #ifdef F_FREESP64
104 { BSM_F_FREESP64, F_FREESP64 },
105 #endif
106 #ifdef F_ALLOCSP64
107 { BSM_F_ALLOCSP64, F_ALLOCSP64 },
108 #endif
109 #ifdef F_GETLK64
110 { BSM_F_GETLK64, F_GETLK64 },
111 #endif
112 #ifdef F_SETLK64
113 { BSM_F_SETLK64, F_SETLK64 },
114 #endif
115 #ifdef F_SETLKW64
116 { BSM_F_SETLKW64, F_SETLKW64 },
117 #endif
118 #ifdef F_SHARE
119 { BSM_F_SHARE, F_SHARE },
120 #endif
121 #ifdef F_UNSHARE
122 { BSM_F_UNSHARE, F_UNSHARE },
123 #endif
124 #ifdef F_SETLK_NBMAND
125 { BSM_F_SETLK_NBMAND, F_SETLK_NBMAND },
126 #endif
127 #ifdef F_SHARE_NBMAND
128 { BSM_F_SHARE_NBMAND, F_SHARE_NBMAND },
129 #endif
130 #ifdef F_SETLK64_NBMAND
131 { BSM_F_SETLK64_NBMAND, F_SETLK64_NBMAND },
132 #endif
133 #ifdef F_GETXFL
134 { BSM_F_GETXFL, F_GETXFL },
135 #endif
136 #ifdef F_BADFD
137 { BSM_F_BADFD, F_BADFD },
138 #endif
139 #ifdef F_OGETLK
140 { BSM_F_OGETLK, F_OGETLK },
141 #endif
142 #ifdef F_OSETLK
143 { BSM_F_OSETLK, F_OSETLK },
144 #endif
145 #ifdef F_OSETLKW
146 { BSM_F_OSETLKW, F_OSETLKW },
147 #endif
148 #ifdef F_SETLK_REMOTE
149 { BSM_F_SETLK_REMOTE, F_SETLK_REMOTE },
150 #endif
151
152 #ifdef F_SETSIG
153 { BSM_F_SETSIG, F_SETSIG },
154 #endif
155 #ifdef F_GETSIG
156 { BSM_F_GETSIG, F_GETSIG },
157 #endif
158
159 #ifdef F_CHKCLEAN
160 { BSM_F_CHKCLEAN, F_CHKCLEAN },
161 #endif
162 #ifdef F_PREALLOCATE
163 { BSM_F_PREALLOCATE, F_PREALLOCATE },
164 #endif
165 #ifdef F_SETSIZE
166 { BSM_F_SETSIZE, F_SETSIZE },
167 #endif
168 #ifdef F_RDADVISE
169 { BSM_F_RDADVISE, F_RDADVISE },
170 #endif
171 #ifdef F_RDAHEAD
172 { BSM_F_RDAHEAD, F_RDAHEAD },
173 #endif
174 #ifdef F_READBOOTSTRAP
175 { BSM_F_READBOOTSTRAP, F_READBOOTSTRAP },
176 #endif
177 #ifdef F_WRITEBOOTSTRAP
178 { BSM_F_WRITEBOOTSTRAP, F_WRITEBOOTSTRAP },
179 #endif
180 #ifdef F_NOCACHE
181 { BSM_F_NOCACHE, F_NOCACHE },
182 #endif
183 #ifdef F_LOG2PHYS
184 { BSM_F_LOG2PHYS, F_LOG2PHYS },
185 #endif
186 #ifdef F_GETPATH
187 { BSM_F_GETPATH, F_GETPATH },
188 #endif
189 #ifdef F_FULLFSYNC
190 { BSM_F_FULLFSYNC, F_FULLFSYNC },
191 #endif
192 #ifdef F_PATHPKG_CHECK
193 { BSM_F_PATHPKG_CHECK, F_PATHPKG_CHECK },
194 #endif
195 #ifdef F_FREEZE_FS
196 { BSM_F_FREEZE_FS, F_FREEZE_FS },
197 #endif
198 #ifdef F_THAW_FS
199 { BSM_F_THAW_FS, F_THAW_FS },
200 #endif
201 #ifdef F_GLOBAL_NOCACHE
202 { BSM_F_GLOBAL_NOCACHE, F_GLOBAL_NOCACHE },
203 #endif
204 #ifdef F_OPENFROM
205 { BSM_F_OPENFROM, F_OPENFROM },
206 #endif
207 #ifdef F_UNLINKFROM
208 { BSM_F_UNLINKFROM, F_UNLINKFROM },
209 #endif
210 #ifdef F_CHECK_OPENEVT
211 { BSM_F_CHECK_OPENEVT, F_CHECK_OPENEVT },
212 #endif
213 #ifdef F_ADDSIGS
214 { BSM_F_ADDSIGS, F_ADDSIGS },
215 #endif
216 #ifdef F_MARKDEPENDENCY
217 { BSM_F_MARKDEPENDENCY, F_MARKDEPENDENCY },
218 #endif
219
220 #ifdef FCNTL_FS_SPECIFIC_BASE
221 { BSM_F_FS_SPECIFIC_0, FCNTL_FS_SPECIFIC_BASE},
222 { BSM_F_FS_SPECIFIC_1, FCNTL_FS_SPECIFIC_BASE + 1},
223 { BSM_F_FS_SPECIFIC_2, FCNTL_FS_SPECIFIC_BASE + 2},
224 { BSM_F_FS_SPECIFIC_3, FCNTL_FS_SPECIFIC_BASE + 3},
225 { BSM_F_FS_SPECIFIC_4, FCNTL_FS_SPECIFIC_BASE + 4},
226 { BSM_F_FS_SPECIFIC_5, FCNTL_FS_SPECIFIC_BASE + 5},
227 { BSM_F_FS_SPECIFIC_6, FCNTL_FS_SPECIFIC_BASE + 6},
228 { BSM_F_FS_SPECIFIC_7, FCNTL_FS_SPECIFIC_BASE + 7},
229 { BSM_F_FS_SPECIFIC_8, FCNTL_FS_SPECIFIC_BASE + 8},
230 { BSM_F_FS_SPECIFIC_9, FCNTL_FS_SPECIFIC_BASE + 9},
231 { BSM_F_FS_SPECIFIC_10, FCNTL_FS_SPECIFIC_BASE + 10},
232 { BSM_F_FS_SPECIFIC_11, FCNTL_FS_SPECIFIC_BASE + 11},
233 { BSM_F_FS_SPECIFIC_12, FCNTL_FS_SPECIFIC_BASE + 12},
234 { BSM_F_FS_SPECIFIC_13, FCNTL_FS_SPECIFIC_BASE + 13},
235 { BSM_F_FS_SPECIFIC_14, FCNTL_FS_SPECIFIC_BASE + 14},
236 { BSM_F_FS_SPECIFIC_15, FCNTL_FS_SPECIFIC_BASE + 15},
237 #endif /* FCNTL_FS_SPECIFIC_BASE */
238 };
239 static const int bsm_fcntl_cmd_count = nitems(bsm_fcntl_cmdtab);
240
241 static const bsm_fcntl_cmd_t *
bsm_lookup_local_fcntl_cmd(int local_fcntl_cmd)242 bsm_lookup_local_fcntl_cmd(int local_fcntl_cmd)
243 {
244 int i;
245
246 for (i = 0; i < bsm_fcntl_cmd_count; i++) {
247 if (bsm_fcntl_cmdtab[i].bfc_local_fcntl_cmd ==
248 local_fcntl_cmd)
249 return (&bsm_fcntl_cmdtab[i]);
250 }
251 return (NULL);
252 }
253
254 u_short
au_fcntl_cmd_to_bsm(int local_fcntl_cmd)255 au_fcntl_cmd_to_bsm(int local_fcntl_cmd)
256 {
257 const bsm_fcntl_cmd_t *bfcp;
258
259 bfcp = bsm_lookup_local_fcntl_cmd(local_fcntl_cmd);
260 if (bfcp == NULL)
261 return (BSM_F_UNKNOWN);
262 return (bfcp->bfc_bsm_fcntl_cmd);
263 }
264
265 static const bsm_fcntl_cmd_t *
bsm_lookup_bsm_fcntl_cmd(u_short bsm_fcntl_cmd)266 bsm_lookup_bsm_fcntl_cmd(u_short bsm_fcntl_cmd)
267 {
268 int i;
269
270 for (i = 0; i < bsm_fcntl_cmd_count; i++) {
271 if (bsm_fcntl_cmdtab[i].bfc_bsm_fcntl_cmd ==
272 bsm_fcntl_cmd)
273 return (&bsm_fcntl_cmdtab[i]);
274 }
275 return (NULL);
276 }
277
278 int
au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd,int * local_fcntl_cmdp)279 au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp)
280 {
281 const bsm_fcntl_cmd_t *bfcp;
282
283 bfcp = bsm_lookup_bsm_fcntl_cmd(bsm_fcntl_cmd);
284 if (bfcp == NULL || bfcp->bfc_local_fcntl_cmd)
285 return (-1);
286 *local_fcntl_cmdp = bfcp->bfc_local_fcntl_cmd;
287 return (0);
288 }
289