xref: /freebsd/sys/security/audit/bsm_errno.c (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2008 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 
34 #include <security/audit/audit.h>
35 
36 #include <bsm/audit_errno.h>
37 #include <bsm/audit_record.h>
38 
39 #include <sys/errno.h>
40 
41 /*
42  * Different operating systems use different numeric constants for different
43  * error numbers, and sometimes error numbers don't exist in more than one
44  * operating system.  These routines convert between BSM and local error
45  * number spaces, subject to the above realities.  BSM error numbers are
46  * stored in a single 8-bit character, so don't have a byte order.
47  *
48  * Don't include string definitions when this code is compiled into a kernel.
49  */
50 struct bsm_errno {
51 	int		 be_bsm_errno;
52 	int		 be_local_errno;
53 #if !defined(KERNEL) && !defined(_KERNEL)
54 	const char	*be_strerror;
55 #endif
56 };
57 
58 #define	ERRNO_NO_LOCAL_MAPPING	-600
59 
60 #if !defined(KERNEL) && !defined(_KERNEL)
61 #define	ES(x)	x
62 #else
63 #define	ES(x)
64 #endif
65 
66 /*
67  * Mapping table -- please maintain in numeric sorted order with respect to
68  * the BSM constant.  Today we do a linear lookup, but could switch to a
69  * binary search if it makes sense.  We only ifdef errors that aren't
70  * generally available, but it does make the table a lot more ugly.
71  *
72  * XXXRW: It would be nice to have a similar ordered table mapping to BSM
73  * constant from local constant, but the order of local constants varies by
74  * OS.  Really we need to build that table at compile-time but don't do that
75  * yet.
76  *
77  * XXXRW: We currently embed English-language error strings here, but should
78  * support catalogues; these are only used if the OS doesn't have an error
79  * string using strerror(3).
80  */
81 static const struct bsm_errno bsm_errnos[] = {
82 	{ BSM_ERRNO_ESUCCESS, 0, ES("Success") },
83 	{ BSM_ERRNO_EPERM, EPERM, ES("Operation not permitted") },
84 	{ BSM_ERRNO_ENOENT, ENOENT, ES("No such file or directory") },
85 	{ BSM_ERRNO_ESRCH, ESRCH, ES("No such process") },
86 	{ BSM_ERRNO_EINTR, EINTR, ES("Interrupted system call") },
87 	{ BSM_ERRNO_EIO, EIO, ES("Input/output error") },
88 	{ BSM_ERRNO_ENXIO, ENXIO, ES("Device not configured") },
89 	{ BSM_ERRNO_E2BIG, E2BIG, ES("Argument list too long") },
90 	{ BSM_ERRNO_ENOEXEC, ENOEXEC, ES("Exec format error") },
91 	{ BSM_ERRNO_EBADF, EBADF, ES("Bad file descriptor") },
92 	{ BSM_ERRNO_ECHILD, ECHILD, ES("No child processes") },
93 	{ BSM_ERRNO_EAGAIN, EAGAIN, ES("Resource temporarily unavailable") },
94 	{ BSM_ERRNO_ENOMEM, ENOMEM, ES("Cannot allocate memory") },
95 	{ BSM_ERRNO_EACCES, EACCES, ES("Permission denied") },
96 	{ BSM_ERRNO_EFAULT, EFAULT, ES("Bad address") },
97 	{ BSM_ERRNO_ENOTBLK, ENOTBLK, ES("Block device required") },
98 	{ BSM_ERRNO_EBUSY, EBUSY, ES("Device busy") },
99 	{ BSM_ERRNO_EEXIST, EEXIST, ES("File exists") },
100 	{ BSM_ERRNO_EXDEV, EXDEV, ES("Cross-device link") },
101 	{ BSM_ERRNO_ENODEV, ENODEV, ES("Operation not supported by device") },
102 	{ BSM_ERRNO_ENOTDIR, ENOTDIR, ES("Not a directory") },
103 	{ BSM_ERRNO_EISDIR, EISDIR, ES("Is a directory") },
104 	{ BSM_ERRNO_EINVAL, EINVAL, ES("Invalid argument") },
105 	{ BSM_ERRNO_ENFILE, ENFILE, ES("Too many open files in system") },
106 	{ BSM_ERRNO_EMFILE, EMFILE, ES("Too many open files") },
107 	{ BSM_ERRNO_ENOTTY, ENOTTY, ES("Inappropriate ioctl for device") },
108 	{ BSM_ERRNO_ETXTBSY, ETXTBSY, ES("Text file busy") },
109 	{ BSM_ERRNO_EFBIG, EFBIG, ES("File too large") },
110 	{ BSM_ERRNO_ENOSPC, ENOSPC, ES("No space left on device") },
111 	{ BSM_ERRNO_ESPIPE, ESPIPE, ES("Illegal seek") },
112 	{ BSM_ERRNO_EROFS, EROFS, ES("Read-only file system") },
113 	{ BSM_ERRNO_EMLINK, EMLINK, ES("Too many links") },
114 	{ BSM_ERRNO_EPIPE, EPIPE, ES("Broken pipe") },
115 	{ BSM_ERRNO_EDOM, EDOM, ES("Numerical argument out of domain") },
116 	{ BSM_ERRNO_ERANGE, ERANGE, ES("Result too large") },
117 	{ BSM_ERRNO_ENOMSG, ENOMSG, ES("No message of desired type") },
118 	{ BSM_ERRNO_EIDRM, EIDRM, ES("Identifier removed") },
119 	{ BSM_ERRNO_ECHRNG,
120 #ifdef ECHRNG
121 	ECHRNG,
122 #else
123 	ERRNO_NO_LOCAL_MAPPING,
124 #endif
125 	ES("Channel number out of range") },
126 	{ BSM_ERRNO_EL2NSYNC,
127 #ifdef EL2NSYNC
128 	EL2NSYNC,
129 #else
130 	ERRNO_NO_LOCAL_MAPPING,
131 #endif
132 	ES("Level 2 not synchronized") },
133 	{ BSM_ERRNO_EL3HLT,
134 #ifdef EL3HLT
135 	EL3HLT,
136 #else
137 	ERRNO_NO_LOCAL_MAPPING,
138 #endif
139 	ES("Level 3 halted") },
140 	{ BSM_ERRNO_EL3RST,
141 #ifdef EL3RST
142 	EL3RST,
143 #else
144 	ERRNO_NO_LOCAL_MAPPING,
145 #endif
146 	ES("Level 3 reset") },
147 	{ BSM_ERRNO_ELNRNG,
148 #ifdef ELNRNG
149 	ELNRNG,
150 #else
151 	ERRNO_NO_LOCAL_MAPPING,
152 #endif
153 	ES("Link number out of range") },
154 	{ BSM_ERRNO_EUNATCH,
155 #ifdef EUNATCH
156 	EUNATCH,
157 #else
158 	ERRNO_NO_LOCAL_MAPPING,
159 #endif
160 	ES("Protocol driver not attached") },
161 	{ BSM_ERRNO_ENOCSI,
162 #ifdef ENOCSI
163 	ENOCSI,
164 #else
165 	ERRNO_NO_LOCAL_MAPPING,
166 #endif
167 	ES("No CSI structure available") },
168 	{ BSM_ERRNO_EL2HLT,
169 #ifdef EL2HLT
170 	EL2HLT,
171 #else
172 	ERRNO_NO_LOCAL_MAPPING,
173 #endif
174 	ES("Level 2 halted") },
175 	{ BSM_ERRNO_EDEADLK, EDEADLK, ES("Resource deadlock avoided") },
176 	{ BSM_ERRNO_ENOLCK, ENOLCK, ES("No locks available") },
177 	{ BSM_ERRNO_ECANCELED, ECANCELED, ES("Operation canceled") },
178 	{ BSM_ERRNO_ENOTSUP, ENOTSUP, ES("Operation not supported") },
179 	{ BSM_ERRNO_EDQUOT, EDQUOT, ES("Disc quota exceeded") },
180 	{ BSM_ERRNO_EBADE,
181 #ifdef EBADE
182 	EBADE,
183 #else
184 	ERRNO_NO_LOCAL_MAPPING,
185 #endif
186 	ES("Invalid exchange") },
187 	{ BSM_ERRNO_EBADR,
188 #ifdef EBADR
189 	EBADR,
190 #else
191 	ERRNO_NO_LOCAL_MAPPING,
192 #endif
193 	ES("Invalid request descriptor") },
194 	{ BSM_ERRNO_EXFULL,
195 #ifdef EXFULL
196 	EXFULL,
197 #else
198 	ERRNO_NO_LOCAL_MAPPING,
199 #endif
200 	ES("Exchange full") },
201 	{ BSM_ERRNO_ENOANO,
202 #ifdef ENOANO
203 	ENOANO,
204 #else
205 	ERRNO_NO_LOCAL_MAPPING,
206 #endif
207 	ES("No anode") },
208 	{ BSM_ERRNO_EBADRQC,
209 #ifdef EBADRQC
210 	EBADRQC,
211 #else
212 	ERRNO_NO_LOCAL_MAPPING,
213 #endif
214 	ES("Invalid request descriptor") },
215 	{ BSM_ERRNO_EBADSLT,
216 #ifdef EBADSLT
217 	EBADSLT,
218 #else
219 	ERRNO_NO_LOCAL_MAPPING,
220 #endif
221 	ES("Invalid slot") },
222 	{ BSM_ERRNO_EDEADLOCK,
223 #ifdef EDEADLOCK
224 	EDEADLOCK,
225 #else
226 	ERRNO_NO_LOCAL_MAPPING,
227 #endif
228 	ES("Resource deadlock avoided") },
229 	{ BSM_ERRNO_EBFONT,
230 #ifdef EBFONT
231 	EBFONT,
232 #else
233 	ERRNO_NO_LOCAL_MAPPING,
234 #endif
235 	ES("Bad font file format") },
236 	{ BSM_ERRNO_EOWNERDEAD,
237 #ifdef EOWNERDEAD
238 	EOWNERDEAD,
239 #else
240 	ERRNO_NO_LOCAL_MAPPING,
241 #endif
242 	ES("Process died with the lock") },
243 	{ BSM_ERRNO_EINTEGRITY,
244 #ifdef EINTEGRITY
245 	EINTEGRITY,
246 #else
247 	ERRNO_NO_LOCAL_MAPPING,
248 #endif
249 	ES("Integrity check failed") },
250 	{ BSM_ERRNO_ENOTRECOVERABLE,
251 #ifdef ENOTRECOVERABLE
252 	ENOTRECOVERABLE,
253 #else
254 	ERRNO_NO_LOCAL_MAPPING,
255 #endif
256 	ES("Lock is not recoverable") },
257 	{ BSM_ERRNO_ENOSTR,
258 #ifdef ENOSTR
259 	ENOSTR,
260 #else
261 	ERRNO_NO_LOCAL_MAPPING,
262 #endif
263 	ES("Device not a stream") },
264 	{ BSM_ERRNO_ENONET,
265 #ifdef ENONET
266 	ENONET,
267 #else
268 	ERRNO_NO_LOCAL_MAPPING,
269 #endif
270 	ES("Machine is not on the network") },
271 	{ BSM_ERRNO_ENOPKG,
272 #ifdef ENOPKG
273 	ENOPKG,
274 #else
275 	ERRNO_NO_LOCAL_MAPPING,
276 #endif
277 	ES("Package not installed") },
278 	{ BSM_ERRNO_EREMOTE, EREMOTE,
279 	    ES("Too many levels of remote in path") },
280 	{ BSM_ERRNO_ENOLINK,
281 #ifdef ENOLINK
282 	ENOLINK,
283 #else
284 	ERRNO_NO_LOCAL_MAPPING,
285 #endif
286 	ES("Link has been severed") },
287 	{ BSM_ERRNO_EADV,
288 #ifdef EADV
289 	EADV,
290 #else
291 	ERRNO_NO_LOCAL_MAPPING,
292 #endif
293 	ES("Advertise error") },
294 	{ BSM_ERRNO_ESRMNT,
295 #ifdef ESRMNT
296 	ESRMNT,
297 #else
298 	ERRNO_NO_LOCAL_MAPPING,
299 #endif
300 	ES("srmount error") },
301 	{ BSM_ERRNO_ECOMM,
302 #ifdef ECOMM
303 	ECOMM,
304 #else
305 	ERRNO_NO_LOCAL_MAPPING,
306 #endif
307 	ES("Communication error on send") },
308 	{ BSM_ERRNO_EPROTO,
309 #ifdef EPROTO
310 	EPROTO,
311 #else
312 	ERRNO_NO_LOCAL_MAPPING,
313 #endif
314 	ES("Protocol error") },
315 	{ BSM_ERRNO_ELOCKUNMAPPED,
316 #ifdef ELOCKUNMAPPED
317 	ELOCKUNMAPPED,
318 #else
319 	ERRNO_NO_LOCAL_MAPPING,
320 #endif
321 	ES("Locked lock was unmapped") },
322 	{ BSM_ERRNO_ENOTACTIVE,
323 #ifdef ENOTACTIVE
324 	ENOTACTIVE,
325 #else
326 	ERRNO_NO_LOCAL_MAPPING,
327 #endif
328 	ES("Facility is not active") },
329 	{ BSM_ERRNO_EMULTIHOP,
330 #ifdef EMULTIHOP
331 	EMULTIHOP,
332 #else
333 	ERRNO_NO_LOCAL_MAPPING,
334 #endif
335 	ES("Multihop attempted") },
336 	{ BSM_ERRNO_EBADMSG,
337 #ifdef EBADMSG
338 	EBADMSG,
339 #else
340 	ERRNO_NO_LOCAL_MAPPING,
341 #endif
342 	ES("Bad message") },
343 	{ BSM_ERRNO_ENAMETOOLONG, ENAMETOOLONG, ES("File name too long") },
344 	{ BSM_ERRNO_EOVERFLOW, EOVERFLOW,
345 	    ES("Value too large to be stored in data type") },
346 	{ BSM_ERRNO_ENOTUNIQ,
347 #ifdef ENOTUNIQ
348 	ENOTUNIQ,
349 #else
350 	ERRNO_NO_LOCAL_MAPPING,
351 #endif
352 	ES("Given log name not unique") },
353 	{ BSM_ERRNO_EBADFD,
354 #ifdef EBADFD
355 	EBADFD,
356 #else
357 	ERRNO_NO_LOCAL_MAPPING,
358 #endif
359 	ES("Given f.d. invalid for this operation") },
360 	{ BSM_ERRNO_EREMCHG,
361 #ifdef EREMCHG
362 	EREMCHG,
363 #else
364 	ERRNO_NO_LOCAL_MAPPING,
365 #endif
366 	ES("Remote address changed") },
367 	{ BSM_ERRNO_ELIBACC,
368 #ifdef ELIBACC
369 	ELIBACC,
370 #else
371 	ERRNO_NO_LOCAL_MAPPING,
372 #endif
373 	ES("Can't access a needed shared lib") },
374 	{ BSM_ERRNO_ELIBBAD,
375 #ifdef ELIBBAD
376 	ELIBBAD,
377 #else
378 	ERRNO_NO_LOCAL_MAPPING,
379 #endif
380 	ES("Accessing a corrupted shared lib") },
381 	{ BSM_ERRNO_ELIBSCN,
382 #ifdef ELIBSCN
383 	ELIBSCN,
384 #else
385 	ERRNO_NO_LOCAL_MAPPING,
386 #endif
387 	ES(".lib section in a.out corrupted") },
388 	{ BSM_ERRNO_ELIBMAX,
389 #ifdef ELIBMAX
390 	ELIBMAX,
391 #else
392 	ERRNO_NO_LOCAL_MAPPING,
393 #endif
394 	ES("Attempting to link in too many libs") },
395 	{ BSM_ERRNO_ELIBEXEC,
396 #ifdef ELIBEXEC
397 	ELIBEXEC,
398 #else
399 	ERRNO_NO_LOCAL_MAPPING,
400 #endif
401 	ES("Attempting to exec a shared library") },
402 	{ BSM_ERRNO_EILSEQ, EILSEQ, ES("Illegal byte sequence") },
403 	{ BSM_ERRNO_ENOSYS, ENOSYS, ES("Function not implemented") },
404 	{ BSM_ERRNO_ELOOP, ELOOP, ES("Too many levels of symbolic links") },
405 	{ BSM_ERRNO_ERESTART,
406 #ifdef ERESTART
407 	ERESTART,
408 #else
409 	ERRNO_NO_LOCAL_MAPPING,
410 #endif
411 	ES("Restart syscall") },
412 	{ BSM_ERRNO_ESTRPIPE,
413 #ifdef ESTRPIPE
414 	ESTRPIPE,
415 #else
416 	ERRNO_NO_LOCAL_MAPPING,
417 #endif
418 	ES("If pipe/FIFO, don't sleep in stream head") },
419 	{ BSM_ERRNO_ENOTEMPTY, ENOTEMPTY, ES("Directory not empty") },
420 	{ BSM_ERRNO_EUSERS, EUSERS, ES("Too many users") },
421 	{ BSM_ERRNO_ENOTSOCK, ENOTSOCK,
422 	    ES("Socket operation on non-socket") },
423 	{ BSM_ERRNO_EDESTADDRREQ, EDESTADDRREQ,
424 	    ES("Destination address required") },
425 	{ BSM_ERRNO_EMSGSIZE, EMSGSIZE, ES("Message too long") },
426 	{ BSM_ERRNO_EPROTOTYPE, EPROTOTYPE,
427 	    ES("Protocol wrong type for socket") },
428 	{ BSM_ERRNO_ENOPROTOOPT, ENOPROTOOPT, ES("Protocol not available") },
429 	{ BSM_ERRNO_EPROTONOSUPPORT, EPROTONOSUPPORT,
430 	    ES("Protocol not supported") },
431 	{ BSM_ERRNO_ESOCKTNOSUPPORT, ESOCKTNOSUPPORT,
432 	    ES("Socket type not supported") },
433 	{ BSM_ERRNO_EOPNOTSUPP, EOPNOTSUPP, ES("Operation not supported") },
434 	{ BSM_ERRNO_EPFNOSUPPORT, EPFNOSUPPORT,
435 	    ES("Protocol family not supported") },
436 	{ BSM_ERRNO_EAFNOSUPPORT, EAFNOSUPPORT,
437 	    ES("Address family not supported by protocol family") },
438 	{ BSM_ERRNO_EADDRINUSE, EADDRINUSE, ES("Address already in use") },
439 	{ BSM_ERRNO_EADDRNOTAVAIL, EADDRNOTAVAIL,
440 	    ES("Can't assign requested address") },
441 	{ BSM_ERRNO_ENETDOWN, ENETDOWN, ES("Network is down") },
442 	{ BSM_ERRNO_ENETRESET, ENETRESET,
443 	    ES("Network dropped connection on reset") },
444 	{ BSM_ERRNO_ECONNABORTED, ECONNABORTED,
445 	    ES("Software caused connection abort") },
446 	{ BSM_ERRNO_ECONNRESET, ECONNRESET, ES("Connection reset by peer") },
447 	{ BSM_ERRNO_ENOBUFS, ENOBUFS, ES("No buffer space available") },
448 	{ BSM_ERRNO_EISCONN, EISCONN, ES("Socket is already connected") },
449 	{ BSM_ERRNO_ENOTCONN, ENOTCONN, ES("Socket is not connected") },
450 	{ BSM_ERRNO_ESHUTDOWN, ESHUTDOWN,
451 	    ES("Can't send after socket shutdown") },
452 	{ BSM_ERRNO_ETOOMANYREFS, ETOOMANYREFS,
453 	    ES("Too many references: can't splice") },
454 	{ BSM_ERRNO_ETIMEDOUT, ETIMEDOUT, ES("Operation timed out") },
455 	{ BSM_ERRNO_ECONNREFUSED, ECONNREFUSED, ES("Connection refused") },
456 	{ BSM_ERRNO_EHOSTDOWN, EHOSTDOWN, ES("Host is down") },
457 	{ BSM_ERRNO_EHOSTUNREACH, EHOSTUNREACH, ES("No route to host") },
458 	{ BSM_ERRNO_EALREADY, EALREADY, ES("Operation already in progress") },
459 	{ BSM_ERRNO_EINPROGRESS, EINPROGRESS,
460 	    ES("Operation now in progress") },
461 	{ BSM_ERRNO_ESTALE, ESTALE, ES("Stale NFS file handle") },
462 	{ BSM_ERRNO_EPROCLIM,
463 #ifdef EPROCLIM
464 	EPROCLIM,
465 #else
466 	ERRNO_NO_LOCAL_MAPPING,
467 #endif
468 	ES("Too many processes") },
469 	{ BSM_ERRNO_EBADRPC,
470 #ifdef EBADRPC
471 	EBADRPC,
472 #else
473 	ERRNO_NO_LOCAL_MAPPING,
474 #endif
475 	ES("RPC struct is bad") },
476 	{ BSM_ERRNO_ERPCMISMATCH,
477 #ifdef ERPCMISMATCH
478 	ERPCMISMATCH,
479 #else
480 	ERRNO_NO_LOCAL_MAPPING,
481 #endif
482 	ES("RPC version wrong") },
483 	{ BSM_ERRNO_EPROGUNAVAIL,
484 #ifdef EPROGUNAVAIL
485 	EPROGUNAVAIL,
486 #else
487 	ERRNO_NO_LOCAL_MAPPING,
488 #endif
489 	ES("RPC prog. not avail") },
490 	{ BSM_ERRNO_EPROGMISMATCH,
491 #ifdef EPROGMISMATCH
492 	EPROGMISMATCH,
493 #else
494 	ERRNO_NO_LOCAL_MAPPING,
495 #endif
496 	ES("RPC version wrong") },
497 	{ BSM_ERRNO_EPROCUNAVAIL,
498 #ifdef EPROCUNAVAIL
499 	EPROCUNAVAIL,
500 #else
501 	ERRNO_NO_LOCAL_MAPPING,
502 #endif
503 	ES("Bad procedure for program") },
504 	{ BSM_ERRNO_EFTYPE,
505 #ifdef EFTYPE
506 	EFTYPE,
507 #else
508 	ERRNO_NO_LOCAL_MAPPING,
509 #endif
510 	ES("Inappropriate file type or format") },
511 	{ BSM_ERRNO_EAUTH,
512 #ifdef EAUTH
513 	EAUTH,
514 #else
515 	ERRNO_NO_LOCAL_MAPPING,
516 #endif
517 	ES("Authenticateion error") },
518 	{ BSM_ERRNO_ENEEDAUTH,
519 #ifdef ENEEDAUTH
520 	ENEEDAUTH,
521 #else
522 	ERRNO_NO_LOCAL_MAPPING,
523 #endif
524 	ES("Need authenticator") },
525 	{ BSM_ERRNO_ENOATTR,
526 #ifdef ENOATTR
527 	ENOATTR,
528 #else
529 	ERRNO_NO_LOCAL_MAPPING,
530 #endif
531 	ES("Attribute not found") },
532 	{ BSM_ERRNO_EDOOFUS,
533 #ifdef EDOOFUS
534 	EDOOFUS,
535 #else
536 	ERRNO_NO_LOCAL_MAPPING,
537 #endif
538 	ES("Programming error") },
539 	{ BSM_ERRNO_EJUSTRETURN,
540 #ifdef EJUSTRETURN
541 	EJUSTRETURN,
542 #else
543 	ERRNO_NO_LOCAL_MAPPING,
544 #endif
545 	ES("Just return") },
546 	{ BSM_ERRNO_ENOIOCTL,
547 #ifdef ENOIOCTL
548 	ENOIOCTL,
549 #else
550 	ERRNO_NO_LOCAL_MAPPING,
551 #endif
552 	ES("ioctl not handled by this layer") },
553 	{ BSM_ERRNO_EDIRIOCTL,
554 #ifdef EDIRIOCTL
555 	EDIRIOCTL,
556 #else
557 	ERRNO_NO_LOCAL_MAPPING,
558 #endif
559 	ES("do direct ioctl in GEOM") },
560 	{ BSM_ERRNO_EPWROFF,
561 #ifdef EPWROFF
562 	EPWROFF,
563 #else
564 	ERRNO_NO_LOCAL_MAPPING,
565 #endif
566 	ES("Device power is off") },
567 	{ BSM_ERRNO_EDEVERR,
568 #ifdef EDEVERR
569 	EDEVERR,
570 #else
571 	ERRNO_NO_LOCAL_MAPPING,
572 #endif
573 	ES("Device error") },
574 	{ BSM_ERRNO_EBADEXEC,
575 #ifdef EBADEXEC
576 	EBADEXEC,
577 #else
578 	ERRNO_NO_LOCAL_MAPPING,
579 #endif
580 	ES("Bad executable") },
581 	{ BSM_ERRNO_EBADARCH,
582 #ifdef EBADARCH
583 	EBADARCH,
584 #else
585 	ERRNO_NO_LOCAL_MAPPING,
586 #endif
587 	ES("Bad CPU type in executable") },
588 	{ BSM_ERRNO_ESHLIBVERS,
589 #ifdef ESHLIBVERS
590 	ESHLIBVERS,
591 #else
592 	ERRNO_NO_LOCAL_MAPPING,
593 #endif
594 	ES("Shared library version mismatch") },
595 	{ BSM_ERRNO_EBADMACHO,
596 #ifdef EBADMACHO
597 	EBADMACHO,
598 #else
599 	ERRNO_NO_LOCAL_MAPPING,
600 #endif
601 	ES("Malformed Macho file") },
602 	{ BSM_ERRNO_EPOLICY,
603 #ifdef EPOLICY
604 	EPOLICY,
605 #else
606 	ERRNO_NO_LOCAL_MAPPING,
607 #endif
608 	ES("Operation failed by policy") },
609 	{ BSM_ERRNO_EDOTDOT,
610 #ifdef EDOTDOT
611 	EDOTDOT,
612 #else
613 	ERRNO_NO_LOCAL_MAPPING,
614 #endif
615 	ES("RFS specific error") },
616 	{ BSM_ERRNO_EUCLEAN,
617 #ifdef EUCLEAN
618 	EUCLEAN,
619 #else
620 	ERRNO_NO_LOCAL_MAPPING,
621 #endif
622 	ES("Structure needs cleaning") },
623 	{ BSM_ERRNO_ENOTNAM,
624 #ifdef ENOTNAM
625 	ENOTNAM,
626 #else
627 	ERRNO_NO_LOCAL_MAPPING,
628 #endif
629 	ES("Not a XENIX named type file") },
630 	{ BSM_ERRNO_ENAVAIL,
631 #ifdef ENAVAIL
632 	ENAVAIL,
633 #else
634 	ERRNO_NO_LOCAL_MAPPING,
635 #endif
636 	ES("No XENIX semaphores available") },
637 	{ BSM_ERRNO_EISNAM,
638 #ifdef EISNAM
639 	EISNAM,
640 #else
641 	ERRNO_NO_LOCAL_MAPPING,
642 #endif
643 	ES("Is a named type file") },
644 	{ BSM_ERRNO_EREMOTEIO,
645 #ifdef EREMOTEIO
646 	EREMOTEIO,
647 #else
648 	ERRNO_NO_LOCAL_MAPPING,
649 #endif
650 	ES("Remote I/O error") },
651 	{ BSM_ERRNO_ENOMEDIUM,
652 #ifdef ENOMEDIUM
653 	ENOMEDIUM,
654 #else
655 	ERRNO_NO_LOCAL_MAPPING,
656 #endif
657 	ES("No medium found") },
658 	{ BSM_ERRNO_EMEDIUMTYPE,
659 #ifdef EMEDIUMTYPE
660 	EMEDIUMTYPE,
661 #else
662 	ERRNO_NO_LOCAL_MAPPING,
663 #endif
664 	ES("Wrong medium type") },
665 	{ BSM_ERRNO_ENOKEY,
666 #ifdef ENOKEY
667 	ENOKEY,
668 #else
669 	ERRNO_NO_LOCAL_MAPPING,
670 #endif
671 	ES("Required key not available") },
672 	{ BSM_ERRNO_EKEYEXPIRED,
673 #ifdef EKEYEXPIRED
674 	EKEYEXPIRED,
675 #else
676 	ERRNO_NO_LOCAL_MAPPING,
677 #endif
678 	ES("Key has expired") },
679 	{ BSM_ERRNO_EKEYREVOKED,
680 #ifdef EKEYREVOKED
681 	EKEYREVOKED,
682 #else
683 	ERRNO_NO_LOCAL_MAPPING,
684 #endif
685 	ES("Key has been revoked") },
686 	{ BSM_ERRNO_EKEYREJECTED,
687 #ifdef EKEYREJECTED
688 	EKEYREJECTED,
689 #else
690 	ERRNO_NO_LOCAL_MAPPING,
691 #endif
692 	ES("Key was rejected by service") },
693 	{ BSM_ERRNO_ENOTCAPABLE,
694 #ifdef ENOTCAPABLE
695 	ENOTCAPABLE,
696 #else
697 	ERRNO_NO_LOCAL_MAPPING,
698 #endif
699 	ES("Capabilities insufficient") },
700 	{ BSM_ERRNO_ECAPMODE,
701 #ifdef ECAPMODE
702 	ECAPMODE,
703 #else
704 	ERRNO_NO_LOCAL_MAPPING,
705 #endif
706 	ES("Not permitted in capability mode") },
707 };
708 
709 static const struct bsm_errno *
710 bsm_lookup_errno_local(int local_errno)
711 {
712 	int i;
713 
714 	for (i = 0; i < nitems(bsm_errnos); i++) {
715 		if (bsm_errnos[i].be_local_errno == local_errno)
716 			return (&bsm_errnos[i]);
717 	}
718 	return (NULL);
719 }
720 
721 /*
722  * Conversion to the BSM errno space isn't allowed to fail; we simply map to
723  * BSM_ERRNO_UNKNOWN and let the remote endpoint deal with it.
724  */
725 u_char
726 au_errno_to_bsm(int local_errno)
727 {
728 	const struct bsm_errno *bsme;
729 
730 	bsme = bsm_lookup_errno_local(local_errno);
731 	if (bsme == NULL)
732 		return (BSM_ERRNO_UNKNOWN);
733 	return (bsme->be_bsm_errno);
734 }
735 
736 static const struct bsm_errno *
737 bsm_lookup_errno_bsm(u_char bsm_errno)
738 {
739 	int i;
740 
741 	for (i = 0; i < nitems(bsm_errnos); i++) {
742 		if (bsm_errnos[i].be_bsm_errno == bsm_errno)
743 			return (&bsm_errnos[i]);
744 	}
745 	return (NULL);
746 }
747 
748 /*
749  * Converstion from a BSM error to a local error number may fail if either
750  * OpenBSM doesn't recognize the error on the wire, or because there is no
751  * appropriate local mapping.
752  */
753 int
754 au_bsm_to_errno(u_char bsm_errno, int *errorp)
755 {
756 	const struct bsm_errno *bsme;
757 
758 	bsme = bsm_lookup_errno_bsm(bsm_errno);
759 	if (bsme == NULL || bsme->be_local_errno == ERRNO_NO_LOCAL_MAPPING)
760 		return (-1);
761 	*errorp = bsme->be_local_errno;
762 	return (0);
763 }
764 
765 #if !defined(KERNEL) && !defined(_KERNEL)
766 const char *
767 au_strerror(u_char bsm_errno)
768 {
769 	const struct bsm_errno *bsme;
770 
771 	bsme = bsm_lookup_errno_bsm(bsm_errno);
772 	if (bsme == NULL)
773 		return ("Unrecognized BSM error");
774 	if (bsme->be_local_errno != ERRNO_NO_LOCAL_MAPPING)
775 		return (strerror(bsme->be_local_errno));
776 	return (bsme->be_strerror);
777 }
778 #endif
779