xref: /freebsd/sys/security/audit/bsm_errno.c (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
1 /*-
2  * Copyright (c) 2008 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 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
33 #include <sys/param.h>
34 
35 #include <security/audit/audit.h>
36 
37 #include <bsm/audit_errno.h>
38 #include <bsm/audit_record.h>
39 
40 #include <sys/errno.h>
41 
42 /*
43  * Different operating systems use different numeric constants for different
44  * error numbers, and sometimes error numbers don't exist in more than one
45  * operating system.  These routines convert between BSM and local error
46  * number spaces, subject to the above realities.  BSM error numbers are
47  * stored in a single 8-bit character, so don't have a byte order.
48  *
49  * Don't include string definitions when this code is compiled into a kernel.
50  */
51 struct bsm_errno {
52 	int		 be_bsm_errno;
53 	int		 be_local_errno;
54 #if !defined(KERNEL) && !defined(_KERNEL)
55 	const char	*be_strerror;
56 #endif
57 };
58 
59 #define	ERRNO_NO_LOCAL_MAPPING	-600
60 
61 #if !defined(KERNEL) && !defined(_KERNEL)
62 #define	ES(x)	x
63 #else
64 #define	ES(x)
65 #endif
66 
67 /*
68  * Mapping table -- please maintain in numeric sorted order with respect to
69  * the BSM constant.  Today we do a linear lookup, but could switch to a
70  * binary search if it makes sense.  We only ifdef errors that aren't
71  * generally available, but it does make the table a lot more ugly.
72  *
73  * XXXRW: It would be nice to have a similar ordered table mapping to BSM
74  * constant from local constant, but the order of local constants varies by
75  * OS.  Really we need to build that table at compile-time but don't do that
76  * yet.
77  *
78  * XXXRW: We currently embed English-language error strings here, but should
79  * support catalogues; these are only used if the OS doesn't have an error
80  * string using strerror(3).
81  */
82 static const struct bsm_errno bsm_errnos[] = {
83 	{ BSM_ERRNO_ESUCCESS, 0, ES("Success") },
84 	{ BSM_ERRNO_EPERM, EPERM, ES("Operation not permitted") },
85 	{ BSM_ERRNO_ENOENT, ENOENT, ES("No such file or directory") },
86 	{ BSM_ERRNO_ESRCH, ESRCH, ES("No such process") },
87 	{ BSM_ERRNO_EINTR, EINTR, ES("Interrupted system call") },
88 	{ BSM_ERRNO_EIO, EIO, ES("Input/output error") },
89 	{ BSM_ERRNO_ENXIO, ENXIO, ES("Device not configured") },
90 	{ BSM_ERRNO_E2BIG, E2BIG, ES("Argument list too long") },
91 	{ BSM_ERRNO_ENOEXEC, ENOEXEC, ES("Exec format error") },
92 	{ BSM_ERRNO_EBADF, EBADF, ES("Bad file descriptor") },
93 	{ BSM_ERRNO_ECHILD, ECHILD, ES("No child processes") },
94 	{ BSM_ERRNO_EAGAIN, EAGAIN, ES("Resource temporarily unavailable") },
95 	{ BSM_ERRNO_ENOMEM, ENOMEM, ES("Cannot allocate memory") },
96 	{ BSM_ERRNO_EACCES, EACCES, ES("Permission denied") },
97 	{ BSM_ERRNO_EFAULT, EFAULT, ES("Bad address") },
98 	{ BSM_ERRNO_ENOTBLK, ENOTBLK, ES("Block device required") },
99 	{ BSM_ERRNO_EBUSY, EBUSY, ES("Device busy") },
100 	{ BSM_ERRNO_EEXIST, EEXIST, ES("File exists") },
101 	{ BSM_ERRNO_EXDEV, EXDEV, ES("Cross-device link") },
102 	{ BSM_ERRNO_ENODEV, ENODEV, ES("Operation not supported by device") },
103 	{ BSM_ERRNO_ENOTDIR, ENOTDIR, ES("Not a directory") },
104 	{ BSM_ERRNO_EISDIR, EISDIR, ES("Is a directory") },
105 	{ BSM_ERRNO_EINVAL, EINVAL, ES("Invalid argument") },
106 	{ BSM_ERRNO_ENFILE, ENFILE, ES("Too many open files in system") },
107 	{ BSM_ERRNO_EMFILE, EMFILE, ES("Too many open files") },
108 	{ BSM_ERRNO_ENOTTY, ENOTTY, ES("Inappropriate ioctl for device") },
109 	{ BSM_ERRNO_ETXTBSY, ETXTBSY, ES("Text file busy") },
110 	{ BSM_ERRNO_EFBIG, EFBIG, ES("File too large") },
111 	{ BSM_ERRNO_ENOSPC, ENOSPC, ES("No space left on device") },
112 	{ BSM_ERRNO_ESPIPE, ESPIPE, ES("Illegal seek") },
113 	{ BSM_ERRNO_EROFS, EROFS, ES("Read-only file system") },
114 	{ BSM_ERRNO_EMLINK, EMLINK, ES("Too many links") },
115 	{ BSM_ERRNO_EPIPE, EPIPE, ES("Broken pipe") },
116 	{ BSM_ERRNO_EDOM, EDOM, ES("Numerical argument out of domain") },
117 	{ BSM_ERRNO_ERANGE, ERANGE, ES("Result too large") },
118 	{ BSM_ERRNO_ENOMSG, ENOMSG, ES("No message of desired type") },
119 	{ BSM_ERRNO_EIDRM, EIDRM, ES("Identifier removed") },
120 	{ BSM_ERRNO_ECHRNG,
121 #ifdef ECHRNG
122 	ECHRNG,
123 #else
124 	ERRNO_NO_LOCAL_MAPPING,
125 #endif
126 	ES("Channel number out of range") },
127 	{ BSM_ERRNO_EL2NSYNC,
128 #ifdef EL2NSYNC
129 	EL2NSYNC,
130 #else
131 	ERRNO_NO_LOCAL_MAPPING,
132 #endif
133 	ES("Level 2 not synchronized") },
134 	{ BSM_ERRNO_EL3HLT,
135 #ifdef EL3HLT
136 	EL3HLT,
137 #else
138 	ERRNO_NO_LOCAL_MAPPING,
139 #endif
140 	ES("Level 3 halted") },
141 	{ BSM_ERRNO_EL3RST,
142 #ifdef EL3RST
143 	EL3RST,
144 #else
145 	ERRNO_NO_LOCAL_MAPPING,
146 #endif
147 	ES("Level 3 reset") },
148 	{ BSM_ERRNO_ELNRNG,
149 #ifdef ELNRNG
150 	ELNRNG,
151 #else
152 	ERRNO_NO_LOCAL_MAPPING,
153 #endif
154 	ES("Link number out of range") },
155 	{ BSM_ERRNO_EUNATCH,
156 #ifdef EUNATCH
157 	EUNATCH,
158 #else
159 	ERRNO_NO_LOCAL_MAPPING,
160 #endif
161 	ES("Protocol driver not attached") },
162 	{ BSM_ERRNO_ENOCSI,
163 #ifdef ENOCSI
164 	ENOCSI,
165 #else
166 	ERRNO_NO_LOCAL_MAPPING,
167 #endif
168 	ES("No CSI structure available") },
169 	{ BSM_ERRNO_EL2HLT,
170 #ifdef EL2HLT
171 	EL2HLT,
172 #else
173 	ERRNO_NO_LOCAL_MAPPING,
174 #endif
175 	ES("Level 2 halted") },
176 	{ BSM_ERRNO_EDEADLK, EDEADLK, ES("Resource deadlock avoided") },
177 	{ BSM_ERRNO_ENOLCK, ENOLCK, ES("No locks available") },
178 	{ BSM_ERRNO_ECANCELED, ECANCELED, ES("Operation canceled") },
179 	{ BSM_ERRNO_ENOTSUP, ENOTSUP, ES("Operation not supported") },
180 	{ BSM_ERRNO_EDQUOT, EDQUOT, ES("Disc quota exceeded") },
181 	{ BSM_ERRNO_EBADE,
182 #ifdef EBADE
183 	EBADE,
184 #else
185 	ERRNO_NO_LOCAL_MAPPING,
186 #endif
187 	ES("Invalid exchange") },
188 	{ BSM_ERRNO_EBADR,
189 #ifdef EBADR
190 	EBADR,
191 #else
192 	ERRNO_NO_LOCAL_MAPPING,
193 #endif
194 	ES("Invalid request descriptor") },
195 	{ BSM_ERRNO_EXFULL,
196 #ifdef EXFULL
197 	EXFULL,
198 #else
199 	ERRNO_NO_LOCAL_MAPPING,
200 #endif
201 	ES("Exchange full") },
202 	{ BSM_ERRNO_ENOANO,
203 #ifdef ENOANO
204 	ENOANO,
205 #else
206 	ERRNO_NO_LOCAL_MAPPING,
207 #endif
208 	ES("No anode") },
209 	{ BSM_ERRNO_EBADRQC,
210 #ifdef EBADRQC
211 	EBADRQC,
212 #else
213 	ERRNO_NO_LOCAL_MAPPING,
214 #endif
215 	ES("Invalid request descriptor") },
216 	{ BSM_ERRNO_EBADSLT,
217 #ifdef EBADSLT
218 	EBADSLT,
219 #else
220 	ERRNO_NO_LOCAL_MAPPING,
221 #endif
222 	ES("Invalid slot") },
223 	{ BSM_ERRNO_EDEADLOCK,
224 #ifdef EDEADLOCK
225 	EDEADLOCK,
226 #else
227 	ERRNO_NO_LOCAL_MAPPING,
228 #endif
229 	ES("Resource deadlock avoided") },
230 	{ BSM_ERRNO_EBFONT,
231 #ifdef EBFONT
232 	EBFONT,
233 #else
234 	ERRNO_NO_LOCAL_MAPPING,
235 #endif
236 	ES("Bad font file format") },
237 	{ BSM_ERRNO_EOWNERDEAD,
238 #ifdef EOWNERDEAD
239 	EOWNERDEAD,
240 #else
241 	ERRNO_NO_LOCAL_MAPPING,
242 #endif
243 	ES("Process died with the lock") },
244 	{ BSM_ERRNO_ENOTRECOVERABLE,
245 #ifdef ENOTRECOVERABLE
246 	ENOTRECOVERABLE,
247 #else
248 	ERRNO_NO_LOCAL_MAPPING,
249 #endif
250 	ES("Lock is not recoverable") },
251 	{ BSM_ERRNO_ENOSTR,
252 #ifdef ENOSTR
253 	ENOSTR,
254 #else
255 	ERRNO_NO_LOCAL_MAPPING,
256 #endif
257 	ES("Device not a stream") },
258 	{ BSM_ERRNO_ENONET,
259 #ifdef ENONET
260 	ENONET,
261 #else
262 	ERRNO_NO_LOCAL_MAPPING,
263 #endif
264 	ES("Machine is not on the network") },
265 	{ BSM_ERRNO_ENOPKG,
266 #ifdef ENOPKG
267 	ENOPKG,
268 #else
269 	ERRNO_NO_LOCAL_MAPPING,
270 #endif
271 	ES("Package not installed") },
272 	{ BSM_ERRNO_EREMOTE, EREMOTE,
273 	    ES("Too many levels of remote in path") },
274 	{ BSM_ERRNO_ENOLINK,
275 #ifdef ENOLINK
276 	ENOLINK,
277 #else
278 	ERRNO_NO_LOCAL_MAPPING,
279 #endif
280 	ES("Link has been severed") },
281 	{ BSM_ERRNO_EADV,
282 #ifdef EADV
283 	EADV,
284 #else
285 	ERRNO_NO_LOCAL_MAPPING,
286 #endif
287 	ES("Advertise error") },
288 	{ BSM_ERRNO_ESRMNT,
289 #ifdef ESRMNT
290 	ESRMNT,
291 #else
292 	ERRNO_NO_LOCAL_MAPPING,
293 #endif
294 	ES("srmount error") },
295 	{ BSM_ERRNO_ECOMM,
296 #ifdef ECOMM
297 	ECOMM,
298 #else
299 	ERRNO_NO_LOCAL_MAPPING,
300 #endif
301 	ES("Communication error on send") },
302 	{ BSM_ERRNO_EPROTO,
303 #ifdef EPROTO
304 	EPROTO,
305 #else
306 	ERRNO_NO_LOCAL_MAPPING,
307 #endif
308 	ES("Protocol error") },
309 	{ BSM_ERRNO_ELOCKUNMAPPED,
310 #ifdef ELOCKUNMAPPED
311 	ELOCKUNMAPPED,
312 #else
313 	ERRNO_NO_LOCAL_MAPPING,
314 #endif
315 	ES("Locked lock was unmapped") },
316 	{ BSM_ERRNO_ENOTACTIVE,
317 #ifdef ENOTACTIVE
318 	ENOTACTIVE,
319 #else
320 	ERRNO_NO_LOCAL_MAPPING,
321 #endif
322 	ES("Facility is not active") },
323 	{ BSM_ERRNO_EMULTIHOP,
324 #ifdef EMULTIHOP
325 	EMULTIHOP,
326 #else
327 	ERRNO_NO_LOCAL_MAPPING,
328 #endif
329 	ES("Multihop attempted") },
330 	{ BSM_ERRNO_EBADMSG,
331 #ifdef EBADMSG
332 	EBADMSG,
333 #else
334 	ERRNO_NO_LOCAL_MAPPING,
335 #endif
336 	ES("Bad message") },
337 	{ BSM_ERRNO_ENAMETOOLONG, ENAMETOOLONG, ES("File name too long") },
338 	{ BSM_ERRNO_EOVERFLOW, EOVERFLOW,
339 	    ES("Value too large to be stored in data type") },
340 	{ BSM_ERRNO_ENOTUNIQ,
341 #ifdef ENOTUNIQ
342 	ENOTUNIQ,
343 #else
344 	ERRNO_NO_LOCAL_MAPPING,
345 #endif
346 	ES("Given log name not unique") },
347 	{ BSM_ERRNO_EBADFD,
348 #ifdef EBADFD
349 	EBADFD,
350 #else
351 	ERRNO_NO_LOCAL_MAPPING,
352 #endif
353 	ES("Given f.d. invalid for this operation") },
354 	{ BSM_ERRNO_EREMCHG,
355 #ifdef EREMCHG
356 	EREMCHG,
357 #else
358 	ERRNO_NO_LOCAL_MAPPING,
359 #endif
360 	ES("Remote address changed") },
361 	{ BSM_ERRNO_ELIBACC,
362 #ifdef ELIBACC
363 	ELIBACC,
364 #else
365 	ERRNO_NO_LOCAL_MAPPING,
366 #endif
367 	ES("Can't access a needed shared lib") },
368 	{ BSM_ERRNO_ELIBBAD,
369 #ifdef ELIBBAD
370 	ELIBBAD,
371 #else
372 	ERRNO_NO_LOCAL_MAPPING,
373 #endif
374 	ES("Accessing a corrupted shared lib") },
375 	{ BSM_ERRNO_ELIBSCN,
376 #ifdef ELIBSCN
377 	ELIBSCN,
378 #else
379 	ERRNO_NO_LOCAL_MAPPING,
380 #endif
381 	ES(".lib section in a.out corrupted") },
382 	{ BSM_ERRNO_ELIBMAX,
383 #ifdef ELIBMAX
384 	ELIBMAX,
385 #else
386 	ERRNO_NO_LOCAL_MAPPING,
387 #endif
388 	ES("Attempting to link in too many libs") },
389 	{ BSM_ERRNO_ELIBEXEC,
390 #ifdef ELIBEXEC
391 	ELIBEXEC,
392 #else
393 	ERRNO_NO_LOCAL_MAPPING,
394 #endif
395 	ES("Attempting to exec a shared library") },
396 	{ BSM_ERRNO_EILSEQ, EILSEQ, ES("Illegal byte sequence") },
397 	{ BSM_ERRNO_ENOSYS, ENOSYS, ES("Function not implemented") },
398 	{ BSM_ERRNO_ELOOP, ELOOP, ES("Too many levels of symbolic links") },
399 	{ BSM_ERRNO_ERESTART,
400 #ifdef ERESTART
401 	ERESTART,
402 #else
403 	ERRNO_NO_LOCAL_MAPPING,
404 #endif
405 	ES("Restart syscall") },
406 	{ BSM_ERRNO_ESTRPIPE,
407 #ifdef ESTRPIPE
408 	ESTRPIPE,
409 #else
410 	ERRNO_NO_LOCAL_MAPPING,
411 #endif
412 	ES("If pipe/FIFO, don't sleep in stream head") },
413 	{ BSM_ERRNO_ENOTEMPTY, ENOTEMPTY, ES("Directory not empty") },
414 	{ BSM_ERRNO_EUSERS, EUSERS, ES("Too many users") },
415 	{ BSM_ERRNO_ENOTSOCK, ENOTSOCK,
416 	    ES("Socket operation on non-socket") },
417 	{ BSM_ERRNO_EDESTADDRREQ, EDESTADDRREQ,
418 	    ES("Destination address required") },
419 	{ BSM_ERRNO_EMSGSIZE, EMSGSIZE, ES("Message too long") },
420 	{ BSM_ERRNO_EPROTOTYPE, EPROTOTYPE,
421 	    ES("Protocol wrong type for socket") },
422 	{ BSM_ERRNO_ENOPROTOOPT, ENOPROTOOPT, ES("Protocol not available") },
423 	{ BSM_ERRNO_EPROTONOSUPPORT, EPROTONOSUPPORT,
424 	    ES("Protocol not supported") },
425 	{ BSM_ERRNO_ESOCKTNOSUPPORT, ESOCKTNOSUPPORT,
426 	    ES("Socket type not supported") },
427 	{ BSM_ERRNO_EOPNOTSUPP, EOPNOTSUPP, ES("Operation not supported") },
428 	{ BSM_ERRNO_EPFNOSUPPORT, EPFNOSUPPORT,
429 	    ES("Protocol family not supported") },
430 	{ BSM_ERRNO_EAFNOSUPPORT, EAFNOSUPPORT,
431 	    ES("Address family not supported by protocol family") },
432 	{ BSM_ERRNO_EADDRINUSE, EADDRINUSE, ES("Address already in use") },
433 	{ BSM_ERRNO_EADDRNOTAVAIL, EADDRNOTAVAIL,
434 	    ES("Can't assign requested address") },
435 	{ BSM_ERRNO_ENETDOWN, ENETDOWN, ES("Network is down") },
436 	{ BSM_ERRNO_ENETRESET, ENETRESET,
437 	    ES("Network dropped connection on reset") },
438 	{ BSM_ERRNO_ECONNABORTED, ECONNABORTED,
439 	    ES("Software caused connection abort") },
440 	{ BSM_ERRNO_ECONNRESET, ECONNRESET, ES("Connection reset by peer") },
441 	{ BSM_ERRNO_ENOBUFS, ENOBUFS, ES("No buffer space available") },
442 	{ BSM_ERRNO_EISCONN, EISCONN, ES("Socket is already connected") },
443 	{ BSM_ERRNO_ENOTCONN, ENOTCONN, ES("Socket is not connected") },
444 	{ BSM_ERRNO_ESHUTDOWN, ESHUTDOWN,
445 	    ES("Can't send after socket shutdown") },
446 	{ BSM_ERRNO_ETOOMANYREFS, ETOOMANYREFS,
447 	    ES("Too many references: can't splice") },
448 	{ BSM_ERRNO_ETIMEDOUT, ETIMEDOUT, ES("Operation timed out") },
449 	{ BSM_ERRNO_ECONNREFUSED, ECONNREFUSED, ES("Connection refused") },
450 	{ BSM_ERRNO_EHOSTDOWN, EHOSTDOWN, ES("Host is down") },
451 	{ BSM_ERRNO_EHOSTUNREACH, EHOSTUNREACH, ES("No route to host") },
452 	{ BSM_ERRNO_EALREADY, EALREADY, ES("Operation already in progress") },
453 	{ BSM_ERRNO_EINPROGRESS, EINPROGRESS,
454 	    ES("Operation now in progress") },
455 	{ BSM_ERRNO_ESTALE, ESTALE, ES("Stale NFS file handle") },
456 	{ BSM_ERRNO_EPROCLIM,
457 #ifdef EPROCLIM
458 	EPROCLIM,
459 #else
460 	ERRNO_NO_LOCAL_MAPPING,
461 #endif
462 	ES("Too many processes") },
463 	{ BSM_ERRNO_EBADRPC,
464 #ifdef EBADRPC
465 	EBADRPC,
466 #else
467 	ERRNO_NO_LOCAL_MAPPING,
468 #endif
469 	ES("RPC struct is bad") },
470 	{ BSM_ERRNO_ERPCMISMATCH,
471 #ifdef ERPCMISMATCH
472 	ERPCMISMATCH,
473 #else
474 	ERRNO_NO_LOCAL_MAPPING,
475 #endif
476 	ES("RPC version wrong") },
477 	{ BSM_ERRNO_EPROGUNAVAIL,
478 #ifdef EPROGUNAVAIL
479 	EPROGUNAVAIL,
480 #else
481 	ERRNO_NO_LOCAL_MAPPING,
482 #endif
483 	ES("RPC prog. not avail") },
484 	{ BSM_ERRNO_EPROGMISMATCH,
485 #ifdef EPROGMISMATCH
486 	EPROGMISMATCH,
487 #else
488 	ERRNO_NO_LOCAL_MAPPING,
489 #endif
490 	ES("RPC version wrong") },
491 	{ BSM_ERRNO_EPROCUNAVAIL,
492 #ifdef EPROCUNAVAIL
493 	EPROCUNAVAIL,
494 #else
495 	ERRNO_NO_LOCAL_MAPPING,
496 #endif
497 	ES("Bad procedure for program") },
498 	{ BSM_ERRNO_EFTYPE,
499 #ifdef EFTYPE
500 	EFTYPE,
501 #else
502 	ERRNO_NO_LOCAL_MAPPING,
503 #endif
504 	ES("Inappropriate file type or format") },
505 	{ BSM_ERRNO_EAUTH,
506 #ifdef EAUTH
507 	EAUTH,
508 #else
509 	ERRNO_NO_LOCAL_MAPPING,
510 #endif
511 	ES("Authenticateion error") },
512 	{ BSM_ERRNO_ENEEDAUTH,
513 #ifdef ENEEDAUTH
514 	ENEEDAUTH,
515 #else
516 	ERRNO_NO_LOCAL_MAPPING,
517 #endif
518 	ES("Need authenticator") },
519 	{ BSM_ERRNO_ENOATTR,
520 #ifdef ENOATTR
521 	ENOATTR,
522 #else
523 	ERRNO_NO_LOCAL_MAPPING,
524 #endif
525 	ES("Attribute not found") },
526 	{ BSM_ERRNO_EDOOFUS,
527 #ifdef EDOOFUS
528 	EDOOFUS,
529 #else
530 	ERRNO_NO_LOCAL_MAPPING,
531 #endif
532 	ES("Programming error") },
533 	{ BSM_ERRNO_EJUSTRETURN,
534 #ifdef EJUSTRETURN
535 	EJUSTRETURN,
536 #else
537 	ERRNO_NO_LOCAL_MAPPING,
538 #endif
539 	ES("Just return") },
540 	{ BSM_ERRNO_ENOIOCTL,
541 #ifdef ENOIOCTL
542 	ENOIOCTL,
543 #else
544 	ERRNO_NO_LOCAL_MAPPING,
545 #endif
546 	ES("ioctl not handled by this layer") },
547 	{ BSM_ERRNO_EDIRIOCTL,
548 #ifdef EDIRIOCTL
549 	EDIRIOCTL,
550 #else
551 	ERRNO_NO_LOCAL_MAPPING,
552 #endif
553 	ES("do direct ioctl in GEOM") },
554 	{ BSM_ERRNO_EPWROFF,
555 #ifdef EPWROFF
556 	EPWROFF,
557 #else
558 	ERRNO_NO_LOCAL_MAPPING,
559 #endif
560 	ES("Device power is off") },
561 	{ BSM_ERRNO_EDEVERR,
562 #ifdef EDEVERR
563 	EDEVERR,
564 #else
565 	ERRNO_NO_LOCAL_MAPPING,
566 #endif
567 	ES("Device error") },
568 	{ BSM_ERRNO_EBADEXEC,
569 #ifdef EBADEXEC
570 	EBADEXEC,
571 #else
572 	ERRNO_NO_LOCAL_MAPPING,
573 #endif
574 	ES("Bad executable") },
575 	{ BSM_ERRNO_EBADARCH,
576 #ifdef EBADARCH
577 	EBADARCH,
578 #else
579 	ERRNO_NO_LOCAL_MAPPING,
580 #endif
581 	ES("Bad CPU type in executable") },
582 	{ BSM_ERRNO_ESHLIBVERS,
583 #ifdef ESHLIBVERS
584 	ESHLIBVERS,
585 #else
586 	ERRNO_NO_LOCAL_MAPPING,
587 #endif
588 	ES("Shared library version mismatch") },
589 	{ BSM_ERRNO_EBADMACHO,
590 #ifdef EBADMACHO
591 	EBADMACHO,
592 #else
593 	ERRNO_NO_LOCAL_MAPPING,
594 #endif
595 	ES("Malformed Macho file") },
596 	{ BSM_ERRNO_EPOLICY,
597 #ifdef EPOLICY
598 	EPOLICY,
599 #else
600 	ERRNO_NO_LOCAL_MAPPING,
601 #endif
602 	ES("Operation failed by policy") },
603 	{ BSM_ERRNO_EDOTDOT,
604 #ifdef EDOTDOT
605 	EDOTDOT,
606 #else
607 	ERRNO_NO_LOCAL_MAPPING,
608 #endif
609 	ES("RFS specific error") },
610 	{ BSM_ERRNO_EUCLEAN,
611 #ifdef EUCLEAN
612 	EUCLEAN,
613 #else
614 	ERRNO_NO_LOCAL_MAPPING,
615 #endif
616 	ES("Structure needs cleaning") },
617 	{ BSM_ERRNO_ENOTNAM,
618 #ifdef ENOTNAM
619 	ENOTNAM,
620 #else
621 	ERRNO_NO_LOCAL_MAPPING,
622 #endif
623 	ES("Not a XENIX named type file") },
624 	{ BSM_ERRNO_ENAVAIL,
625 #ifdef ENAVAIL
626 	ENAVAIL,
627 #else
628 	ERRNO_NO_LOCAL_MAPPING,
629 #endif
630 	ES("No XENIX semaphores available") },
631 	{ BSM_ERRNO_EISNAM,
632 #ifdef EISNAM
633 	EISNAM,
634 #else
635 	ERRNO_NO_LOCAL_MAPPING,
636 #endif
637 	ES("Is a named type file") },
638 	{ BSM_ERRNO_EREMOTEIO,
639 #ifdef EREMOTEIO
640 	EREMOTEIO,
641 #else
642 	ERRNO_NO_LOCAL_MAPPING,
643 #endif
644 	ES("Remote I/O error") },
645 	{ BSM_ERRNO_ENOMEDIUM,
646 #ifdef ENOMEDIUM
647 	ENOMEDIUM,
648 #else
649 	ERRNO_NO_LOCAL_MAPPING,
650 #endif
651 	ES("No medium found") },
652 	{ BSM_ERRNO_EMEDIUMTYPE,
653 #ifdef EMEDIUMTYPE
654 	EMEDIUMTYPE,
655 #else
656 	ERRNO_NO_LOCAL_MAPPING,
657 #endif
658 	ES("Wrong medium type") },
659 	{ BSM_ERRNO_ENOKEY,
660 #ifdef ENOKEY
661 	ENOKEY,
662 #else
663 	ERRNO_NO_LOCAL_MAPPING,
664 #endif
665 	ES("Required key not available") },
666 	{ BSM_ERRNO_EKEYEXPIRED,
667 #ifdef EKEYEXPIRED
668 	EKEYEXPIRED,
669 #else
670 	ERRNO_NO_LOCAL_MAPPING,
671 #endif
672 	ES("Key has expired") },
673 	{ BSM_ERRNO_EKEYREVOKED,
674 #ifdef EKEYREVOKED
675 	EKEYREVOKED,
676 #else
677 	ERRNO_NO_LOCAL_MAPPING,
678 #endif
679 	ES("Key has been revoked") },
680 	{ BSM_ERRNO_EKEYREJECTED,
681 #ifdef EKEYREJECTED
682 	EKEYREJECTED,
683 #else
684 	ERRNO_NO_LOCAL_MAPPING,
685 #endif
686 	ES("Key was rejected by service") },
687 	{ BSM_ERRNO_ENOTCAPABLE,
688 #ifdef ENOTCAPABLE
689 	ENOTCAPABLE,
690 #else
691 	ERRNO_NO_LOCAL_MAPPING,
692 #endif
693 	ES("Capabilities insufficient") },
694 	{ BSM_ERRNO_ECAPMODE,
695 #ifdef ECAPMODE
696 	ECAPMODE,
697 #else
698 	ERRNO_NO_LOCAL_MAPPING,
699 #endif
700 	ES("Not permitted in capability mode") },
701 };
702 static const int bsm_errnos_count = sizeof(bsm_errnos) / sizeof(bsm_errnos[0]);
703 
704 static const struct bsm_errno *
705 bsm_lookup_errno_local(int local_errno)
706 {
707 	int i;
708 
709 	for (i = 0; i < bsm_errnos_count; i++) {
710 		if (bsm_errnos[i].be_local_errno == local_errno)
711 			return (&bsm_errnos[i]);
712 	}
713 	return (NULL);
714 }
715 
716 /*
717  * Conversion to the BSM errno space isn't allowed to fail; we simply map to
718  * BSM_ERRNO_UNKNOWN and let the remote endpoint deal with it.
719  */
720 u_char
721 au_errno_to_bsm(int local_errno)
722 {
723 	const struct bsm_errno *bsme;
724 
725 	bsme = bsm_lookup_errno_local(local_errno);
726 	if (bsme == NULL)
727 		return (BSM_ERRNO_UNKNOWN);
728 	return (bsme->be_bsm_errno);
729 }
730 
731 static const struct bsm_errno *
732 bsm_lookup_errno_bsm(u_char bsm_errno)
733 {
734 	int i;
735 
736 	for (i = 0; i < bsm_errnos_count; i++) {
737 		if (bsm_errnos[i].be_bsm_errno == bsm_errno)
738 			return (&bsm_errnos[i]);
739 	}
740 	return (NULL);
741 }
742 
743 /*
744  * Converstion from a BSM error to a local error number may fail if either
745  * OpenBSM doesn't recognize the error on the wire, or because there is no
746  * appropriate local mapping.
747  */
748 int
749 au_bsm_to_errno(u_char bsm_errno, int *errorp)
750 {
751 	const struct bsm_errno *bsme;
752 
753 	bsme = bsm_lookup_errno_bsm(bsm_errno);
754 	if (bsme == NULL || bsme->be_local_errno == ERRNO_NO_LOCAL_MAPPING)
755 		return (-1);
756 	*errorp = bsme->be_local_errno;
757 	return (0);
758 }
759 
760 #if !defined(KERNEL) && !defined(_KERNEL)
761 const char *
762 au_strerror(u_char bsm_errno)
763 {
764 	const struct bsm_errno *bsme;
765 
766 	bsme = bsm_lookup_errno_bsm(bsm_errno);
767 	if (bsme == NULL)
768 		return ("Unrecognized BSM error");
769 	if (bsme->be_local_errno != ERRNO_NO_LOCAL_MAPPING)
770 		return (strerror(bsme->be_local_errno));
771 	return (bsme->be_strerror);
772 }
773 #endif
774