File: ldappr-error.c

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * 
 * The contents of this file are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this file except in compliance with 
 * the License. You may obtain a copy of the License at 
 * http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * 
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 * 
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998-1999
 * the Initial Developer. All Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * 
 * ***** END LICENSE BLOCK ***** */

/*
 * Utilities for manageing the relationship between NSPR errors and
 * OS (errno-style) errors.
 *
 * The overall strategy used is to map NSPR errors into OS errors.
 */

#include "ldappr-int.h"

void
prldap_set_system_errno( int oserrno )
{
    PR_SetError( PR_GetError(), oserrno );
}


int
prldap_get_system_errno( void )
{
    return( PR_GetOSError());
}

/*
 * Retrieve the NSPR error number, convert to a system error code, and return
 * the result.
 */
struct prldap_errormap_entry {
    PRInt32	erm_nspr;	/* NSPR error code */
    int		erm_system;	/* corresponding system error code */
};

/* XXX: not sure if this extra mapping for Windows is good or correct */
#ifdef _WINDOWS
#ifndef ENOTSUP
#define ENOTSUP		-1
#endif
#ifndef ETIMEDOUT
#define ETIMEDOUT	WSAETIMEDOUT
#endif
#ifndef EADDRNOTAVAIL
#define EADDRNOTAVAIL	WSAEADDRNOTAVAIL
#endif
#ifndef EAFNOSUPPORT
#define EAFNOSUPPORT	WSAEAFNOSUPPORT
#endif
#ifndef EISCONN
#define EISCONN		WSAEISCONN
#endif
#ifndef EADDRINUSE
#define EADDRINUSE	WSAEADDRINUSE
#endif
#ifndef ECONNREFUSED
#define ECONNREFUSED	WSAECONNREFUSED
#endif
#ifndef EHOSTUNREACH
#define EHOSTUNREACH	WSAEHOSTUNREACH
#endif
#ifndef ENOTCONN
#define ENOTCONN	WSAENOTCONN
#endif
#ifndef ENOTSOCK
#define ENOTSOCK	WSAENOTSOCK
#endif
#ifndef EPROTOTYPE
#define EPROTOTYPE	WSAEPROTOTYPE
#endif
#ifndef EOPNOTSUPP
#define EOPNOTSUPP	WSAEOPNOTSUPP
#endif
#ifndef EPROTONOSUPPORT
#define EPROTONOSUPPORT	WSAEPROTONOSUPPORT
#endif
#ifndef EOVERFLOW
#define EOVERFLOW	-1
#endif
#ifndef ECONNRESET
#define ECONNRESET	WSAECONNRESET
#endif
#ifndef ELOOP
#define ELOOP		WSAELOOP
#endif
#ifndef ENOTBLK
#define ENOTBLK		-1
#endif
#ifndef ETXTBSY
#define ETXTBSY		-1
#endif
#ifndef ENETDOWN
#define ENETDOWN	WSAENETDOWN
#endif
#ifndef ESHUTDOWN
#define ESHUTDOWN	WSAESHUTDOWN
#endif
#ifndef ECONNABORTED
#define ECONNABORTED	WSAECONNABORTED
#endif
#endif /* _WINDOWS */

#if defined(macintosh)
/*
 * Some Unix error defs. Under CW 7, we can't define OTUNIXERRORS because
 * it generates many conflicts with errno.h. Define what we need here.
 * These need to be in sync with OpenTransport.h
 */
#define EWOULDBLOCK     35
#define ENOTSOCK        38
#define EPROTOTYPE      41
#define EPROTONOSUPPORT 43
#define EOPNOTSUPP      45
#define EADDRINUSE      48
#define EADDRNOTAVAIL   49
#define ENETDOWN        50
#define ECONNABORTED    53
#define ECONNRESET      54
#define EISCONN         56
#define ENOTCONN        57
#define ESHUTDOWN       58
#define ETIMEDOUT       60
#define ECONNREFUSED    61
#define EHOSTUNREACH    65
#define EAFNOSUPPORT    -1
#define ELOOP           -1
#define ENOTBLK         -1
#define ENOTSUP         -1
#define EOVERFLOW       -1
#define ETXTBSY         -1
#endif /* macintosh */

#ifdef XP_OS2
#define SOCBASEERR      0
#endif
#ifndef ENOTSUP
#define ENOTSUP         -1
#endif
#ifndef EOVERFLOW
#define EOVERFLOW       -1
#endif
#ifndef EDEADLOCK
#define EDEADLOCK       -1
#endif
#ifndef EFAULT
#define EFAULT          SOCEFAULT
#endif
#ifndef EPIPE
#define EPIPE           SOCEPIPE
#endif
#ifndef EIO
#define EIO             (SOCBASEERR+5)
#endif
#ifndef EDEADLK
#define EDEADLK         (SOCBASEERR+11)
#endif
#ifndef ENOTBLK
#define ENOTBLK         (SOCBASEERR+15)
#endif
#ifndef EBUSY
#define EBUSY           (SOCBASEERR+16)
#endif
#ifndef ENOTDIR
#define ENOTDIR         (SOCBASEERR+20)
#endif
#ifndef EISDIR
#define EISDIR          (SOCBASEERR+21)
#endif
#ifndef ENFILE
#define ENFILE          (SOCBASEERR+23)
#endif
#ifndef ETXTBSY
#define ETXTBSY         (SOCBASEERR+26)
#endif
#ifndef EFBIG
#define EFBIG           (SOCBASEERR+27)
#endif
#ifndef ESPIPE
#define ESPIPE          (SOCBASEERR+29)
#endif
#ifndef EROFS
#define EROFS           (SOCBASEERR+30)
#endif

#ifdef BEOS
#define ENOTSUP         -1
#define ENOTBLK         -1
#define ETXTBSY         -1
#endif

#if defined(BSDI) || defined(OPENBSD) || defined (NETBSD)
#define ENOTSUP		-1
#endif

#if defined(OSF1) || defined(BSDI) || defined(VMS) || defined(OPENBSD)
#define EOVERFLOW       -1
#endif

#if defined(__hpux) || defined(_AIX) || defined(OSF1) || defined(DARWIN) || \
  defined(BEOS) || defined(FREEBSD) || defined(BSDI) || defined(VMS) || \
  defined(OPENBSD) || defined(NETBSD) || defined(__FreeBSD_kernel__)
#define EDEADLOCK       -1
#endif

/* XXX: need to verify that the -1 entries are correct (no mapping) */
static struct prldap_errormap_entry prldap_errormap[] = {
    {  PR_OUT_OF_MEMORY_ERROR, ENOMEM },
    {  PR_BAD_DESCRIPTOR_ERROR, EBADF },
    {  PR_WOULD_BLOCK_ERROR, EAGAIN },
    {  PR_ACCESS_FAULT_ERROR, EFAULT },
    {  PR_INVALID_METHOD_ERROR, EINVAL },	/* XXX: correct mapping ? */
    {  PR_ILLEGAL_ACCESS_ERROR, EACCES },	/* XXX: correct mapping ? */
    {  PR_UNKNOWN_ERROR, -1 },
    {  PR_PENDING_INTERRUPT_ERROR, -1 },
    {  PR_NOT_IMPLEMENTED_ERROR, ENOTSUP },
    {  PR_IO_ERROR, EIO },
    {  PR_IO_TIMEOUT_ERROR, ETIMEDOUT },	/* XXX: correct mapping ? */
    {  PR_IO_PENDING_ERROR, -1 },
    {  PR_DIRECTORY_OPEN_ERROR, ENOTDIR },
    {  PR_INVALID_ARGUMENT_ERROR, EINVAL },
    {  PR_ADDRESS_NOT_AVAILABLE_ERROR, EADDRNOTAVAIL },
    {  PR_ADDRESS_NOT_SUPPORTED_ERROR, EAFNOSUPPORT },
    {  PR_IS_CONNECTED_ERROR, EISCONN },
    {  PR_BAD_ADDRESS_ERROR, EFAULT },		/* XXX: correct mapping ? */
    {  PR_ADDRESS_IN_USE_ERROR, EADDRINUSE },
    {  PR_CONNECT_REFUSED_ERROR, ECONNREFUSED },
    {  PR_NETWORK_UNREACHABLE_ERROR, EHOSTUNREACH },
    {  PR_CONNECT_TIMEOUT_ERROR, ETIMEDOUT },
    {  PR_NOT_CONNECTED_ERROR, ENOTCONN },
    {  PR_LOAD_LIBRARY_ERROR, -1 },
    {  PR_UNLOAD_LIBRARY_ERROR, -1 },
    {  PR_FIND_SYMBOL_ERROR, -1 },
    {  PR_INSUFFICIENT_RESOURCES_ERROR, -1 },
    {  PR_DIRECTORY_LOOKUP_ERROR, EHOSTUNREACH },/* an approximation */
    {  PR_TPD_RANGE_ERROR, -1 },
    {  PR_PROC_DESC_TABLE_FULL_ERROR, -1 },
    {  PR_SYS_DESC_TABLE_FULL_ERROR, -1 },
    {  PR_NOT_SOCKET_ERROR, ENOTSOCK },
    {  PR_NOT_TCP_SOCKET_ERROR, EPROTOTYPE },
    {  PR_SOCKET_ADDRESS_IS_BOUND_ERROR, -1 },
    {  PR_NO_ACCESS_RIGHTS_ERROR, EACCES },	/* XXX: correct mapping ? */
    {  PR_OPERATION_NOT_SUPPORTED_ERROR, EOPNOTSUPP },
    {  PR_PROTOCOL_NOT_SUPPORTED_ERROR, EPROTONOSUPPORT },
    {  PR_REMOTE_FILE_ERROR, -1 },
    {  PR_BUFFER_OVERFLOW_ERROR, EOVERFLOW },
    {  PR_CONNECT_RESET_ERROR, ECONNRESET },
    {  PR_RANGE_ERROR, ERANGE },
    {  PR_DEADLOCK_ERROR, EDEADLK },
    {  PR_FILE_IS_LOCKED_ERROR, EDEADLOCK },	/* XXX: correct mapping ? */
    {  PR_FILE_TOO_BIG_ERROR, EFBIG },
    {  PR_NO_DEVICE_SPACE_ERROR, ENOSPC },
    {  PR_PIPE_ERROR, EPIPE },
    {  PR_NO_SEEK_DEVICE_ERROR, ESPIPE },
    {  PR_IS_DIRECTORY_ERROR, EISDIR },
    {  PR_LOOP_ERROR, ELOOP },
    {  PR_NAME_TOO_LONG_ERROR, ENAMETOOLONG },
    {  PR_FILE_NOT_FOUND_ERROR, ENOENT },
    {  PR_NOT_DIRECTORY_ERROR, ENOTDIR },
    {  PR_READ_ONLY_FILESYSTEM_ERROR, EROFS },
    {  PR_DIRECTORY_NOT_EMPTY_ERROR, ENOTEMPTY },
    {  PR_FILESYSTEM_MOUNTED_ERROR, EBUSY },
    {  PR_NOT_SAME_DEVICE_ERROR, EXDEV },
    {  PR_DIRECTORY_CORRUPTED_ERROR, -1 },
    {  PR_FILE_EXISTS_ERROR, EEXIST },
    {  PR_MAX_DIRECTORY_ENTRIES_ERROR, -1 },
    {  PR_INVALID_DEVICE_STATE_ERROR, ENOTBLK }, /* XXX: correct mapping ? */
    {  PR_DEVICE_IS_LOCKED_ERROR, -2 },
    {  PR_NO_MORE_FILES_ERROR, ENFILE },
    {  PR_END_OF_FILE_ERROR, -1 },
    {  PR_FILE_SEEK_ERROR, ESPIPE },		/* XXX: correct mapping ? */
    {  PR_FILE_IS_BUSY_ERROR, ETXTBSY },
    {  PR_OPERATION_ABORTED_ERROR, -1 },
    {  PR_IN_PROGRESS_ERROR, -1 },
    {  PR_ALREADY_INITIATED_ERROR, -1 },
    {  PR_GROUP_EMPTY_ERROR, -1 },
    {  PR_INVALID_STATE_ERROR, -1 },
    {  PR_NETWORK_DOWN_ERROR, ENETDOWN },
    {  PR_SOCKET_SHUTDOWN_ERROR, ESHUTDOWN },
    {  PR_CONNECT_ABORTED_ERROR, ECONNABORTED },
    {  PR_HOST_UNREACHABLE_ERROR, EHOSTUNREACH },
    {  PR_MAX_ERROR, -1 },
};


int
prldap_prerr2errno( void )
{
    int		oserr, i;
    PRInt32	nsprerr;

    nsprerr = PR_GetError();

    oserr = -1;		/* unknown */
    for ( i = 0; prldap_errormap[i].erm_nspr != PR_MAX_ERROR; ++i ) {
	if ( prldap_errormap[i].erm_nspr == nsprerr ) {
	    oserr = prldap_errormap[i].erm_system;
	    break;
	}
    }

    return( oserr );
}