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freebsd-dev/sys/security/audit/audit_bsm_errno.c
Robert Watson c74c7b73a0 Merge OpenBSM alpha 5 from OpenBSM vendor branch to head, both 
contrib/openbsm (svn merge) and src/sys/{bsm,security/audit} (manual
merge).  Hook up bsm_domain.c and bsm_socket_type.c to the libbsm
build along with man pages, add audit_bsm_domain.c and
audit_bsm_socket_type.c to the kernel environment.

OpenBSM history for imported revisions below for reference.

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

OpenBSM 1.1 alpha 5

- Stub libauditd(3) man page added.
- All BSM error number constants with BSM_ERRNO_.
- Interfaces to convert between local and BSM socket types and protocol
  families have been added: au_bsm_to_domain(3), au_bsm_to_socket_type(3),
  au_domain_to_bsm(3), and au_socket_type_to_bsm(3), along with definitions
  of constants in audit_domain.h and audit_socket_type.h.  This improves
  interoperability by converting local constant spaces, which vary by OS, to
  and from Solaris constants (where available) or OpenBSM constants for
  protocol domains not present in Solaris (a fair number).  These routines
  should be used when generating and interpreting extended socket tokens.
- Fix build warnings with full gcc warnings enabled on most supported
  platforms.
- Don't compile error strings into bsm_errno.c when building it in the kernel
  environment.
- When started by launchd, use the label com.apple.auditd rather than
  org.trustedbsd.auditd.
2009-01-14 10:44:16 +00:00

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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#12
*/
#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("Malfored 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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