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freebsd-skq/sys/security/audit/audit_bsm_errno.c
Robert Watson 06edd2f1e8 Merge OpenBSM 1.1 beta 1 from OpenBSM vendor branch to head, both 
contrib/openbsm (svn merge) and src/sys/{bsm,security/audit} (manual
merge).

OpenBSM history for imported revision below for reference.

MFC after:      1 month
Sponsored by:   Apple, Inc.
Obtained from:  TrustedBSD Project

OpenBSM 1.1 beta 1

- The filesz parameter in audit_control(5) now accepts suffixes: 'B' for
  Bytes, 'K' for Kilobytes, 'M' for Megabytes, and 'G' for Gigabytes.
  For legacy support no suffix defaults to bytes.
- Audit trail log expiration support added.  It is configured in
  audit_control(5) with the expire-after parameter.  If there is no
  expire-after parameter in audit_control(5), the default, then the audit
  trail files are not expired and removed.  See audit_control(5) for
  more information.
- Change defaults in audit_control: warn at 5% rather than 20% free for audit
  partitions, rotate automatically at 2mb, and set the default policy to
  cnt,argv rather than cnt so that execve(2) arguments are captured if
  AUE_EXECVE events are audited.  These may provide more usable defaults for
  many users.
- Use au_domain_to_bsm(3) and au_socket_type_to_bsm(3) to convert
  au_to_socket_ex(3) arguments to BSM format.
- Fix error encoding AUT_IPC_PERM tokens.
2009-03-02 13:29:18 +00:00

664 lines
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/*-
* Copyright (c) 2008 Apple Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* P4: //depot/projects/trustedbsd/openbsm/libbsm/bsm_errno.c#17
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <security/audit/audit.h>
#include <bsm/audit_errno.h>
#include <bsm/audit_record.h>
#include <sys/errno.h>
/*
* Different operating systems use different numeric constants for different
* error numbers, and sometimes error numbers don't exist in more than one
* operating system. These routines convert between BSM and local error
* number spaces, subject to the above realities. BSM error numbers are
* stored in a single 8-bit character, so don't have a byte order.
*
* Don't include string definitions when this code is compiled into a kernel.
*/
struct bsm_errno {
int be_bsm_errno;
int be_local_errno;
#if !defined(KERNEL) && !defined(_KERNEL)
const char *be_strerror;
#endif
};
#define ERRNO_NO_LOCAL_MAPPING -600
#if !defined(KERNEL) && !defined(_KERNEL)
#define ES(x) x
#else
#define ES(x)
#endif
/*
* Mapping table -- please maintain in numeric sorted order with respect to
* the BSM constant. Today we do a linear lookup, but could switch to a
* binary search if it makes sense. We only ifdef errors that aren't
* generally available, but it does make the table a lot more ugly.
*
* XXXRW: It would be nice to have a similar ordered table mapping to BSM
* constant from local constant, but the order of local constants varies by
* OS. Really we need to build that table at compile-time but don't do that
* yet.
*
* XXXRW: We currently embed English-language error strings here, but should
* support catalogues; these are only used if the OS doesn't have an error
* string using strerror(3).
*/
static const struct bsm_errno bsm_errnos[] = {
{ BSM_ERRNO_ESUCCESS, 0, ES("Success") },
{ BSM_ERRNO_EPERM, EPERM, ES("Operation not permitted") },
{ BSM_ERRNO_ENOENT, ENOENT, ES("No such file or directory") },
{ BSM_ERRNO_ESRCH, ESRCH, ES("No such process") },
{ BSM_ERRNO_EINTR, EINTR, ES("Interrupted system call") },
{ BSM_ERRNO_EIO, EIO, ES("Input/output error") },
{ BSM_ERRNO_ENXIO, ENXIO, ES("Device not configured") },
{ BSM_ERRNO_E2BIG, E2BIG, ES("Argument list too long") },
{ BSM_ERRNO_ENOEXEC, ENOEXEC, ES("Exec format error") },
{ BSM_ERRNO_EBADF, EBADF, ES("Bad file descriptor") },
{ BSM_ERRNO_ECHILD, ECHILD, ES("No child processes") },
{ BSM_ERRNO_EAGAIN, EAGAIN, ES("Resource temporarily unavailable") },
{ BSM_ERRNO_ENOMEM, ENOMEM, ES("Cannot allocate memory") },
{ BSM_ERRNO_EACCES, EACCES, ES("Permission denied") },
{ BSM_ERRNO_EFAULT, EFAULT, ES("Bad address") },
{ BSM_ERRNO_ENOTBLK, ENOTBLK, ES("Block device required") },
{ BSM_ERRNO_EBUSY, EBUSY, ES("Device busy") },
{ BSM_ERRNO_EEXIST, EEXIST, ES("File exists") },
{ BSM_ERRNO_EXDEV, EXDEV, ES("Cross-device link") },
{ BSM_ERRNO_ENODEV, ENODEV, ES("Operation not supported by device") },
{ BSM_ERRNO_ENOTDIR, ENOTDIR, ES("Not a directory") },
{ BSM_ERRNO_EISDIR, EISDIR, ES("Is a directory") },
{ BSM_ERRNO_EINVAL, EINVAL, ES("Invalid argument") },
{ BSM_ERRNO_ENFILE, ENFILE, ES("Too many open files in system") },
{ BSM_ERRNO_EMFILE, EMFILE, ES("Too many open files") },
{ BSM_ERRNO_ENOTTY, ENOTTY, ES("Inappropriate ioctl for device") },
{ BSM_ERRNO_ETXTBSY, ETXTBSY, ES("Text file busy") },
{ BSM_ERRNO_EFBIG, EFBIG, ES("File too large") },
{ BSM_ERRNO_ENOSPC, ENOSPC, ES("No space left on device") },
{ BSM_ERRNO_ESPIPE, ESPIPE, ES("Illegal seek") },
{ BSM_ERRNO_EROFS, EROFS, ES("Read-only file system") },
{ BSM_ERRNO_EMLINK, EMLINK, ES("Too many links") },
{ BSM_ERRNO_EPIPE, EPIPE, ES("Broken pipe") },
{ BSM_ERRNO_EDOM, EDOM, ES("Numerical argument out of domain") },
{ BSM_ERRNO_ERANGE, ERANGE, ES("Result too large") },
{ BSM_ERRNO_ENOMSG, ENOMSG, ES("No message of desired type") },
{ BSM_ERRNO_EIDRM, EIDRM, ES("Identifier removed") },
{ BSM_ERRNO_ECHRNG,
#ifdef ECHRNG
ECHRNG,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Channel number out of range") },
{ BSM_ERRNO_EL2NSYNC,
#ifdef EL2NSYNC
EL2NSYNC,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Level 2 not synchronized") },
{ BSM_ERRNO_EL3HLT,
#ifdef EL3HLT
EL3HLT,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Level 3 halted") },
{ BSM_ERRNO_EL3RST,
#ifdef EL3RST
EL3RST,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Level 3 reset") },
{ BSM_ERRNO_ELNRNG,
#ifdef ELNRNG
ELNRNG,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Link number out of range") },
{ BSM_ERRNO_EUNATCH,
#ifdef EUNATCH
EUNATCH,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Protocol driver not attached") },
{ BSM_ERRNO_ENOCSI,
#ifdef ENOCSI
ENOCSI,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("No CSI structure available") },
{ BSM_ERRNO_EL2HLT,
#ifdef EL2HLT
EL2HLT,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Level 2 halted") },
{ BSM_ERRNO_EDEADLK, EDEADLK, ES("Resource deadlock avoided") },
{ BSM_ERRNO_ENOLCK, ENOLCK, ES("No locks available") },
{ BSM_ERRNO_ECANCELED, ECANCELED, ES("Operation canceled") },
{ BSM_ERRNO_ENOTSUP, ENOTSUP, ES("Operation not supported") },
{ BSM_ERRNO_EDQUOT, EDQUOT, ES("Disc quota exceeded") },
{ BSM_ERRNO_EBADE,
#ifdef EBADE
EBADE,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Invalid exchange") },
{ BSM_ERRNO_EBADR,
#ifdef EBADR
EBADR,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Invalid request descriptor") },
{ BSM_ERRNO_EXFULL,
#ifdef EXFULL
EXFULL,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Exchange full") },
{ BSM_ERRNO_ENOANO,
#ifdef ENOANO
ENOANO,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("No anode") },
{ BSM_ERRNO_EBADRQC,
#ifdef EBADRQC
EBADRQC,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Invalid request descriptor") },
{ BSM_ERRNO_EBADSLT,
#ifdef EBADSLT
EBADSLT,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Invalid slot") },
{ BSM_ERRNO_EDEADLOCK,
#ifdef EDEADLOCK
EDEADLOCK,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Resource deadlock avoided") },
{ BSM_ERRNO_EBFONT,
#ifdef EBFONT
EBFONT,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Bad font file format") },
{ BSM_ERRNO_EOWNERDEAD,
#ifdef EOWNERDEAD
EOWNERDEAD,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Process died with the lock") },
{ BSM_ERRNO_ENOTRECOVERABLE,
#ifdef ENOTRECOVERABLE
ENOTRECOVERABLE,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Lock is not recoverable") },
{ BSM_ERRNO_ENOSTR,
#ifdef ENOSTR
ENOSTR,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Device not a stream") },
{ BSM_ERRNO_ENONET,
#ifdef ENONET
ENONET,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Machine is not on the network") },
{ BSM_ERRNO_ENOPKG,
#ifdef ENOPKG
ENOPKG,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Package not installed") },
{ BSM_ERRNO_EREMOTE, EREMOTE,
ES("Too many levels of remote in path") },
{ BSM_ERRNO_ENOLINK,
#ifdef ENOLINK
ENOLINK,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Link has been severed") },
{ BSM_ERRNO_EADV,
#ifdef EADV
EADV,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Advertise error") },
{ BSM_ERRNO_ESRMNT,
#ifdef ESRMNT
ESRMNT,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("srmount error") },
{ BSM_ERRNO_ECOMM,
#ifdef ECOMM
ECOMM,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Communication error on send") },
{ BSM_ERRNO_EPROTO,
#ifdef EPROTO
EPROTO,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Protocol error") },
{ BSM_ERRNO_ELOCKUNMAPPED,
#ifdef ELOCKUNMAPPED
ELOCKUNMAPPED,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Locked lock was unmapped") },
{ BSM_ERRNO_ENOTACTIVE,
#ifdef ENOTACTIVE
ENOTACTIVE,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Facility is not active") },
{ BSM_ERRNO_EMULTIHOP,
#ifdef EMULTIHOP
EMULTIHOP,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Multihop attempted") },
{ BSM_ERRNO_EBADMSG,
#ifdef EBADMSG
EBADMSG,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Bad message") },
{ BSM_ERRNO_ENAMETOOLONG, ENAMETOOLONG, ES("File name too long") },
{ BSM_ERRNO_EOVERFLOW, EOVERFLOW,
ES("Value too large to be stored in data type") },
{ BSM_ERRNO_ENOTUNIQ,
#ifdef ENOTUNIQ
ENOTUNIQ,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Given log name not unique") },
{ BSM_ERRNO_EBADFD,
#ifdef EBADFD
EBADFD,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Given f.d. invalid for this operation") },
{ BSM_ERRNO_EREMCHG,
#ifdef EREMCHG
EREMCHG,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Remote address changed") },
{ BSM_ERRNO_ELIBACC,
#ifdef ELIBACC
ELIBACC,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Can't access a needed shared lib") },
{ BSM_ERRNO_ELIBBAD,
#ifdef ELIBBAD
ELIBBAD,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Accessing a corrupted shared lib") },
{ BSM_ERRNO_ELIBSCN,
#ifdef ELIBSCN
ELIBSCN,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES(".lib section in a.out corrupted") },
{ BSM_ERRNO_ELIBMAX,
#ifdef ELIBMAX
ELIBMAX,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Attempting to link in too many libs") },
{ BSM_ERRNO_ELIBEXEC,
#ifdef ELIBEXEC
ELIBEXEC,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Attempting to exec a shared library") },
{ BSM_ERRNO_EILSEQ, EILSEQ, ES("Illegal byte sequence") },
{ BSM_ERRNO_ENOSYS, ENOSYS, ES("Function not implemented") },
{ BSM_ERRNO_ELOOP, ELOOP, ES("Too many levels of symbolic links") },
{ BSM_ERRNO_ERESTART,
#ifdef ERESTART
ERESTART,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Restart syscall") },
{ BSM_ERRNO_ESTRPIPE,
#ifdef ESTRPIPE
ESTRPIPE,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("If pipe/FIFO, don't sleep in stream head") },
{ BSM_ERRNO_ENOTEMPTY, ENOTEMPTY, ES("Directory not empty") },
{ BSM_ERRNO_EUSERS, EUSERS, ES("Too many users") },
{ BSM_ERRNO_ENOTSOCK, ENOTSOCK,
ES("Socket operation on non-socket") },
{ BSM_ERRNO_EDESTADDRREQ, EDESTADDRREQ,
ES("Destination address required") },
{ BSM_ERRNO_EMSGSIZE, EMSGSIZE, ES("Message too long") },
{ BSM_ERRNO_EPROTOTYPE, EPROTOTYPE,
ES("Protocol wrong type for socket") },
{ BSM_ERRNO_ENOPROTOOPT, ENOPROTOOPT, ES("Protocol not available") },
{ BSM_ERRNO_EPROTONOSUPPORT, EPROTONOSUPPORT,
ES("Protocol not supported") },
{ BSM_ERRNO_ESOCKTNOSUPPORT, ESOCKTNOSUPPORT,
ES("Socket type not supported") },
{ BSM_ERRNO_EOPNOTSUPP, EOPNOTSUPP, ES("Operation not supported") },
{ BSM_ERRNO_EPFNOSUPPORT, EPFNOSUPPORT,
ES("Protocol family not supported") },
{ BSM_ERRNO_EAFNOSUPPORT, EAFNOSUPPORT,
ES("Address family not supported by protocol family") },
{ BSM_ERRNO_EADDRINUSE, EADDRINUSE, ES("Address already in use") },
{ BSM_ERRNO_EADDRNOTAVAIL, EADDRNOTAVAIL,
ES("Can't assign requested address") },
{ BSM_ERRNO_ENETDOWN, ENETDOWN, ES("Network is down") },
{ BSM_ERRNO_ENETRESET, ENETRESET,
ES("Network dropped connection on reset") },
{ BSM_ERRNO_ECONNABORTED, ECONNABORTED,
ES("Software caused connection abort") },
{ BSM_ERRNO_ECONNRESET, ECONNRESET, ES("Connection reset by peer") },
{ BSM_ERRNO_ENOBUFS, ENOBUFS, ES("No buffer space available") },
{ BSM_ERRNO_EISCONN, EISCONN, ES("Socket is already connected") },
{ BSM_ERRNO_ENOTCONN, ENOTCONN, ES("Socket is not connected") },
{ BSM_ERRNO_ESHUTDOWN, ESHUTDOWN,
ES("Can't send after socket shutdown") },
{ BSM_ERRNO_ETOOMANYREFS, ETOOMANYREFS,
ES("Too many references: can't splice") },
{ BSM_ERRNO_ETIMEDOUT, ETIMEDOUT, ES("Operation timed out") },
{ BSM_ERRNO_ECONNREFUSED, ECONNREFUSED, ES("Connection refused") },
{ BSM_ERRNO_EHOSTDOWN, EHOSTDOWN, ES("Host is down") },
{ BSM_ERRNO_EHOSTUNREACH, EHOSTUNREACH, ES("No route to host") },
{ BSM_ERRNO_EALREADY, EALREADY, ES("Operation already in progress") },
{ BSM_ERRNO_EINPROGRESS, EINPROGRESS,
ES("Operation now in progress") },
{ BSM_ERRNO_ESTALE, ESTALE, ES("Stale NFS file handle") },
{ BSM_ERRNO_EPWROFF,
#ifdef EPWROFF
EPWROFF,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Device power is off") },
{ BSM_ERRNO_EDEVERR,
#ifdef EDEVERR
EDEVERR,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Device error") },
{ BSM_ERRNO_EBADEXEC,
#ifdef EBADEXEC
EBADEXEC,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Bad executable") },
{ BSM_ERRNO_EBADARCH,
#ifdef EBADARCH
EBADARCH,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Bad CPU type in executable") },
{ BSM_ERRNO_ESHLIBVERS,
#ifdef ESHLIBVERS
ESHLIBVERS,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Shared library version mismatch") },
{ BSM_ERRNO_EBADMACHO,
#ifdef EBADMACHO
EBADMACHO,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Malformed Macho file") },
{ BSM_ERRNO_EPOLICY,
#ifdef EPOLICY
EPOLICY,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Operation failed by policy") },
{ BSM_ERRNO_EDOTDOT,
#ifdef EDOTDOT
EDOTDOT,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("RFS specific error") },
{ BSM_ERRNO_EUCLEAN,
#ifdef EUCLEAN
EUCLEAN,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Structure needs cleaning") },
{ BSM_ERRNO_ENOTNAM,
#ifdef ENOTNAM
ENOTNAM,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Not a XENIX named type file") },
{ BSM_ERRNO_ENAVAIL,
#ifdef ENAVAIL
ENAVAIL,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("No XENIX semaphores available") },
{ BSM_ERRNO_EISNAM,
#ifdef EISNAM
EISNAM,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Is a named type file") },
{ BSM_ERRNO_EREMOTEIO,
#ifdef EREMOTEIO
EREMOTEIO,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Remote I/O error") },
{ BSM_ERRNO_ENOMEDIUM,
#ifdef ENOMEDIUM
ENOMEDIUM,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("No medium found") },
{ BSM_ERRNO_EMEDIUMTYPE,
#ifdef EMEDIUMTYPE
EMEDIUMTYPE,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Wrong medium type") },
{ BSM_ERRNO_ENOKEY,
#ifdef ENOKEY
ENOKEY,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Required key not available") },
{ BSM_ERRNO_EKEYEXPIRED,
#ifdef EKEEXPIRED
EKEYEXPIRED,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Key has expired") },
{ BSM_ERRNO_EKEYREVOKED,
#ifdef EKEYREVOKED
EKEYREVOKED,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Key has been revoked") },
{ BSM_ERRNO_EKEYREJECTED,
#ifdef EKEREJECTED
EKEYREJECTED,
#else
ERRNO_NO_LOCAL_MAPPING,
#endif
ES("Key was rejected by service") },
};
static const int bsm_errnos_count = sizeof(bsm_errnos) / sizeof(bsm_errnos[0]);
static const struct bsm_errno *
bsm_lookup_errno_local(int local_errno)
{
int i;
for (i = 0; i < bsm_errnos_count; i++) {
if (bsm_errnos[i].be_local_errno == local_errno)
return (&bsm_errnos[i]);
}
return (NULL);
}
/*
* Conversion to the BSM errno space isn't allowed to fail; we simply map to
* BSM_ERRNO_UNKNOWN and let the remote endpoint deal with it.
*/
u_char
au_errno_to_bsm(int local_errno)
{
const struct bsm_errno *bsme;
bsme = bsm_lookup_errno_local(local_errno);
if (bsme == NULL)
return (BSM_ERRNO_UNKNOWN);
return (bsme->be_bsm_errno);
}
static const struct bsm_errno *
bsm_lookup_errno_bsm(u_char bsm_errno)
{
int i;
for (i = 0; i < bsm_errnos_count; i++) {
if (bsm_errnos[i].be_bsm_errno == bsm_errno)
return (&bsm_errnos[i]);
}
return (NULL);
}
/*
* Converstion from a BSM error to a local error number may fail if either
* OpenBSM doesn't recognize the error on the wire, or because there is no
* appropriate local mapping.
*/
int
au_bsm_to_errno(u_char bsm_errno, int *errorp)
{
const struct bsm_errno *bsme;
bsme = bsm_lookup_errno_bsm(bsm_errno);
if (bsme == NULL || bsme->be_local_errno == ERRNO_NO_LOCAL_MAPPING)
return (-1);
*errorp = bsme->be_local_errno;
return (0);
}
#if !defined(KERNEL) && !defined(_KERNEL)
const char *
au_strerror(u_char bsm_errno)
{
const struct bsm_errno *bsme;
bsme = bsm_lookup_errno_bsm(bsm_errno);
if (bsme == NULL)
return ("Unrecognized BSM error");
if (bsme->be_local_errno != ERRNO_NO_LOCAL_MAPPING)
return (strerror(bsme->be_local_errno));
return (bsme->be_strerror);
}
#endif
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