bsm_fcntl.c revision 330897 
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/cdefs.h>
33__FBSDID("$FreeBSD: stable/11/sys/security/audit/bsm_fcntl.c 330897 2018-03-14 03:19:51Z eadler $");
34
35#include <sys/param.h>
36#include <sys/fcntl.h>
37
38#include <security/audit/audit.h>
39
40#include <bsm/audit_fcntl.h>
41#include <bsm/audit_record.h>
42
43struct bsm_fcntl_cmd {
44	u_short	bfc_bsm_fcntl_cmd;
45	int	bfc_local_fcntl_cmd;
46};
47typedef struct bsm_fcntl_cmd	bsm_fcntl_cmd_t;
48
49static const bsm_fcntl_cmd_t bsm_fcntl_cmdtab[] = {
50	{ BSM_F_DUPFD, 		F_DUPFD },
51	{ BSM_F_GETFD,		F_GETFD },
52	{ BSM_F_SETFD,		F_SETFD	},
53	{ BSM_F_GETFL,		F_GETFL },
54	{ BSM_F_SETFL,		F_SETFL },
55#ifdef	F_O_GETLK
56	{ BSM_F_O_GETLK,	F_O_GETLK },
57#endif
58	{ BSM_F_SETLK,		F_SETLK },
59	{ BSM_F_SETLKW,		F_SETLK },
60#ifdef	F_CHFL
61	{ BSM_F_CHKFL,		F_CHKFL },
62#endif
63#ifdef 	F_DUP2FD
64	{ BSM_F_DUP2FD,		F_DUP2FD },
65#endif
66#ifdef	F_ALLOCSP
67	{ BSM_F_ALLOCSP,	F_ALLOCSP },
68#endif
69#ifdef	F_FREESP
70	{ BSM_F_FREESP,		F_FREESP },
71#endif
72#ifdef	F_ISSTREAM
73	{ BSM_F_ISSTREAM,	F_ISSTREAM},
74#endif
75	{ BSM_F_GETLK,		F_GETLK },
76#ifdef 	F_PRIV
77	{ BSM_F_PRIV,		F_PRIV },
78#endif
79#ifdef	F_NPRIV
80	{ BSM_F_NPRIV,		F_NPRIV },
81#endif
82#ifdef 	F_QUOTACTL
83	{ BSM_F_QUOTACTL,	F_QUOTACTL },
84#endif
85#ifdef	F_BLOCKS
86	{ BSM_F_BLOCKS,		F_BLOCKS },
87#endif
88#ifdef	F_BLKSIZE
89	{ BSM_F_BLKSIZE,	F_BLKSIZE },
90#endif
91	{ BSM_F_GETOWN,		F_GETOWN },
92	{ BSM_F_SETOWN,		F_SETOWN },
93#ifdef	F_REVOKE
94	{ BSM_F_REVOKE,		F_REVOKE },
95#endif
96#ifdef 	F_HASREMOTEBLOCKS
97	{ BSM_F_HASREMOTEBLOCKS,
98				F_HASREMOTEBLOCKS },
99#endif
100#ifdef 	F_FREESP
101	{ BSM_F_FREESP,		F_FREESP },
102#endif
103#ifdef 	F_ALLOCSP
104	{ BSM_F_ALLOCSP,	F_ALLOCSP },
105#endif
106#ifdef	F_FREESP64
107	{ BSM_F_FREESP64,	F_FREESP64 },
108#endif
109#ifdef 	F_ALLOCSP64
110	{ BSM_F_ALLOCSP64,	F_ALLOCSP64 },
111#endif
112#ifdef	F_GETLK64
113	{ BSM_F_GETLK64, 	F_GETLK64 },
114#endif
115#ifdef	F_SETLK64
116	{ BSM_F_SETLK64, 	F_SETLK64 },
117#endif
118#ifdef	F_SETLKW64
119	{ BSM_F_SETLKW64, 	F_SETLKW64 },
120#endif
121#ifdef	F_SHARE
122	{ BSM_F_SHARE,		F_SHARE },
123#endif
124#ifdef	F_UNSHARE
125	{ BSM_F_UNSHARE,	F_UNSHARE },
126#endif
127#ifdef	F_SETLK_NBMAND
128	{ BSM_F_SETLK_NBMAND,	F_SETLK_NBMAND },
129#endif
130#ifdef	F_SHARE_NBMAND
131	{ BSM_F_SHARE_NBMAND,	F_SHARE_NBMAND },
132#endif
133#ifdef	F_SETLK64_NBMAND
134	{ BSM_F_SETLK64_NBMAND,	F_SETLK64_NBMAND },
135#endif
136#ifdef	F_GETXFL
137	{ BSM_F_GETXFL,		F_GETXFL },
138#endif
139#ifdef	F_BADFD
140	{ BSM_F_BADFD,		F_BADFD },
141#endif
142#ifdef	F_OGETLK
143	{ BSM_F_OGETLK,		F_OGETLK },
144#endif
145#ifdef	F_OSETLK
146	{ BSM_F_OSETLK,		F_OSETLK },
147#endif
148#ifdef	F_OSETLKW
149	{ BSM_F_OSETLKW,	F_OSETLKW },
150#endif
151#ifdef	F_SETLK_REMOTE
152	{ BSM_F_SETLK_REMOTE,	F_SETLK_REMOTE },
153#endif
154
155#ifdef	F_SETSIG
156	{ BSM_F_SETSIG,		F_SETSIG },
157#endif
158#ifdef	F_GETSIG
159	{ BSM_F_GETSIG,		F_GETSIG },
160#endif
161
162#ifdef	F_CHKCLEAN
163	{ BSM_F_CHKCLEAN,	F_CHKCLEAN },
164#endif
165#ifdef	F_PREALLOCATE
166	{ BSM_F_PREALLOCATE,	F_PREALLOCATE },
167#endif
168#ifdef	F_SETSIZE
169	{ BSM_F_SETSIZE,	F_SETSIZE },
170#endif
171#ifdef	F_RDADVISE
172	{ BSM_F_RDADVISE,	F_RDADVISE },
173#endif
174#ifdef	F_RDAHEAD
175	{ BSM_F_RDAHEAD,	F_RDAHEAD },
176#endif
177#ifdef	F_READBOOTSTRAP
178	{ BSM_F_READBOOTSTRAP,	F_READBOOTSTRAP },
179#endif
180#ifdef	F_WRITEBOOTSTRAP
181	{ BSM_F_WRITEBOOTSTRAP,	F_WRITEBOOTSTRAP },
182#endif
183#ifdef	F_NOCACHE
184	{ BSM_F_NOCACHE,	F_NOCACHE },
185#endif
186#ifdef	F_LOG2PHYS
187	{ BSM_F_LOG2PHYS,	F_LOG2PHYS },
188#endif
189#ifdef	F_GETPATH
190	{ BSM_F_GETPATH,	F_GETPATH },
191#endif
192#ifdef	F_FULLFSYNC
193	{ BSM_F_FULLFSYNC,	F_FULLFSYNC },
194#endif
195#ifdef	F_PATHPKG_CHECK
196	{ BSM_F_PATHPKG_CHECK,	F_PATHPKG_CHECK },
197#endif
198#ifdef	F_FREEZE_FS
199	{ BSM_F_FREEZE_FS,	F_FREEZE_FS },
200#endif
201#ifdef	F_THAW_FS
202	{ BSM_F_THAW_FS,	F_THAW_FS },
203#endif
204#ifdef	F_GLOBAL_NOCACHE
205	{ BSM_F_GLOBAL_NOCACHE,	F_GLOBAL_NOCACHE },
206#endif
207#ifdef	F_OPENFROM
208	{ BSM_F_OPENFROM,	F_OPENFROM },
209#endif
210#ifdef	F_UNLINKFROM
211	{ BSM_F_UNLINKFROM,	F_UNLINKFROM },
212#endif
213#ifdef	F_CHECK_OPENEVT
214	{ BSM_F_CHECK_OPENEVT,	F_CHECK_OPENEVT },
215#endif
216#ifdef	F_ADDSIGS
217	{ BSM_F_ADDSIGS,	F_ADDSIGS },
218#endif
219#ifdef	F_MARKDEPENDENCY
220	{ BSM_F_MARKDEPENDENCY,	F_MARKDEPENDENCY },
221#endif
222
223#ifdef	FCNTL_FS_SPECIFIC_BASE
224	{ BSM_F_FS_SPECIFIC_0,	FCNTL_FS_SPECIFIC_BASE},
225	{ BSM_F_FS_SPECIFIC_1,	FCNTL_FS_SPECIFIC_BASE + 1},
226	{ BSM_F_FS_SPECIFIC_2,	FCNTL_FS_SPECIFIC_BASE + 2},
227	{ BSM_F_FS_SPECIFIC_3,	FCNTL_FS_SPECIFIC_BASE + 3},
228	{ BSM_F_FS_SPECIFIC_4,	FCNTL_FS_SPECIFIC_BASE + 4},
229	{ BSM_F_FS_SPECIFIC_5,	FCNTL_FS_SPECIFIC_BASE + 5},
230	{ BSM_F_FS_SPECIFIC_6,	FCNTL_FS_SPECIFIC_BASE + 6},
231	{ BSM_F_FS_SPECIFIC_7,	FCNTL_FS_SPECIFIC_BASE + 7},
232	{ BSM_F_FS_SPECIFIC_8,	FCNTL_FS_SPECIFIC_BASE + 8},
233	{ BSM_F_FS_SPECIFIC_9,	FCNTL_FS_SPECIFIC_BASE + 9},
234	{ BSM_F_FS_SPECIFIC_10,	FCNTL_FS_SPECIFIC_BASE + 10},
235	{ BSM_F_FS_SPECIFIC_11,	FCNTL_FS_SPECIFIC_BASE + 11},
236	{ BSM_F_FS_SPECIFIC_12,	FCNTL_FS_SPECIFIC_BASE + 12},
237	{ BSM_F_FS_SPECIFIC_13,	FCNTL_FS_SPECIFIC_BASE + 13},
238	{ BSM_F_FS_SPECIFIC_14,	FCNTL_FS_SPECIFIC_BASE + 14},
239	{ BSM_F_FS_SPECIFIC_15,	FCNTL_FS_SPECIFIC_BASE + 15},
240#endif	/* FCNTL_FS_SPECIFIC_BASE */
241};
242static const int bsm_fcntl_cmd_count = nitems(bsm_fcntl_cmdtab);
243
244static const bsm_fcntl_cmd_t *
245bsm_lookup_local_fcntl_cmd(int local_fcntl_cmd)
246{
247	int i;
248
249	for (i = 0; i < bsm_fcntl_cmd_count; i++) {
250		if (bsm_fcntl_cmdtab[i].bfc_local_fcntl_cmd ==
251		    local_fcntl_cmd)
252			return (&bsm_fcntl_cmdtab[i]);
253	}
254	return (NULL);
255}
256
257u_short
258au_fcntl_cmd_to_bsm(int local_fcntl_cmd)
259{
260	const bsm_fcntl_cmd_t *bfcp;
261
262	bfcp = bsm_lookup_local_fcntl_cmd(local_fcntl_cmd);
263	if (bfcp == NULL)
264		return (BSM_F_UNKNOWN);
265	return (bfcp->bfc_bsm_fcntl_cmd);
266}
267
268static const bsm_fcntl_cmd_t *
269bsm_lookup_bsm_fcntl_cmd(u_short bsm_fcntl_cmd)
270{
271	int i;
272
273	for (i = 0; i < bsm_fcntl_cmd_count; i++) {
274		if (bsm_fcntl_cmdtab[i].bfc_bsm_fcntl_cmd ==
275		    bsm_fcntl_cmd)
276			return (&bsm_fcntl_cmdtab[i]);
277	}
278	return (NULL);
279}
280
281int
282au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp)
283{
284	const bsm_fcntl_cmd_t *bfcp;
285
286	bfcp = bsm_lookup_bsm_fcntl_cmd(bsm_fcntl_cmd);
287	if (bfcp == NULL || bfcp->bfc_local_fcntl_cmd)
288		return (-1);
289	*local_fcntl_cmdp = bfcp->bfc_local_fcntl_cmd;
290	return (0);
291}
292