source: branches/samba-3.2.x/source/lib/errmap_unix.c

/* 
 *  Unix SMB/CIFS implementation.
 *  map unix to NT errors, an excerpt of libsmb/errormap.c
 *  Copyright (C) Andrew Tridgell 2001
 *  Copyright (C) Andrew Bartlett 2001
 *  Copyright (C) Tim Potter 2000
 *  Copyright (C) Jeremy Allison 2007
 *  
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include "includes.h"

/* Mapping from Unix, to NT error numbers */

const struct unix_error_map unix_dos_nt_errmap[] = {
        { EPERM, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED },
        { EACCES, ERRDOS, ERRnoaccess, NT_STATUS_ACCESS_DENIED },
        { ENOENT, ERRDOS, ERRbadfile, NT_STATUS_OBJECT_NAME_NOT_FOUND },
        { ENOTDIR, ERRDOS, ERRbadpath,  NT_STATUS_NOT_A_DIRECTORY },
        { EIO, ERRHRD, ERRgeneral, NT_STATUS_IO_DEVICE_ERROR },
        { EBADF, ERRSRV, ERRsrverror, NT_STATUS_INVALID_HANDLE },
        { EINVAL, ERRSRV, ERRsrverror, NT_STATUS_INVALID_HANDLE },
        { EEXIST, ERRDOS, ERRfilexists, NT_STATUS_OBJECT_NAME_COLLISION},
        { ENFILE, ERRDOS, ERRnofids, NT_STATUS_TOO_MANY_OPENED_FILES },
        { EMFILE, ERRDOS, ERRnofids, NT_STATUS_TOO_MANY_OPENED_FILES },
        { ENOSPC, ERRHRD, ERRdiskfull, NT_STATUS_DISK_FULL },
        { ENOMEM, ERRDOS, ERRnomem, NT_STATUS_NO_MEMORY },
        { EISDIR, ERRDOS, ERRnoaccess, NT_STATUS_FILE_IS_A_DIRECTORY},
        { EMLINK, ERRDOS, ERRgeneral, NT_STATUS_TOO_MANY_LINKS },
        { EINTR,  ERRHRD, ERRgeneral, NT_STATUS_RETRY },
#ifdef ELOOP
        { ELOOP, ERRDOS, ERRbadpath, NT_STATUS_OBJECT_PATH_NOT_FOUND },
#endif
#ifdef EDQUOT
        { EDQUOT, ERRHRD, ERRdiskfull, NT_STATUS_DISK_FULL }, /* Windows apps need this, not NT_STATUS_QUOTA_EXCEEDED */
#endif
#ifdef ENOTEMPTY
        { ENOTEMPTY, ERRDOS, ERRnoaccess, NT_STATUS_DIRECTORY_NOT_EMPTY },
#endif
#ifdef EXDEV
        { EXDEV, ERRDOS, ERRdiffdevice, NT_STATUS_NOT_SAME_DEVICE },
#endif
#ifdef EROFS
        { EROFS, ERRHRD, ERRnowrite, NT_STATUS_ACCESS_DENIED },
#endif
#ifdef ENAMETOOLONG
        { ENAMETOOLONG, ERRDOS, 206, NT_STATUS_OBJECT_NAME_INVALID },
#endif
#ifdef EFBIG
        { EFBIG, ERRHRD, ERRdiskfull, NT_STATUS_DISK_FULL },
#endif
#ifdef ENOBUFS
        { ENOBUFS, ERRDOS, ERRnomem, NT_STATUS_INSUFFICIENT_RESOURCES },
#endif
        { EAGAIN, ERRDOS, 111, NT_STATUS_NETWORK_BUSY },
#ifdef EADDRINUSE
        { EADDRINUSE, ERRDOS, 52, NT_STATUS_ADDRESS_ALREADY_ASSOCIATED},
#endif
#ifdef ENETUNREACH
        { ENETUNREACH, ERRHRD, ERRgeneral, NT_STATUS_NETWORK_UNREACHABLE},
#endif
#ifdef EHOSTUNREACH
                { EHOSTUNREACH, ERRHRD, ERRgeneral, NT_STATUS_HOST_UNREACHABLE},
#endif
#ifdef ECONNREFUSED
        { ECONNREFUSED, ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_REFUSED},
#endif
#ifdef ETIMEDOUT
        { ETIMEDOUT, ERRHRD, 121, NT_STATUS_IO_TIMEOUT},
#endif
#ifdef ECONNABORTED
        { ECONNABORTED, ERRHRD, ERRgeneral, NT_STATUS_CONNECTION_ABORTED},
#endif
#ifdef ENODEV
        { ENODEV, ERRDOS, 55, NT_STATUS_DEVICE_DOES_NOT_EXIST},
#endif
#ifdef EPIPE
        { EPIPE, ERRDOS, 109, NT_STATUS_PIPE_BROKEN},
#endif
#ifdef EWOULDBLOCK
        { EWOULDBLOCK, ERRDOS, 111, NT_STATUS_NETWORK_BUSY },
#endif
#ifdef ENOATTR
        { ENOATTR, ERRDOS, ERRbadfile, NT_STATUS_NOT_FOUND },
#endif

        { 0, 0, 0, NT_STATUS_OK }
};

/*********************************************************************
 Map an NT error code from a Unix error code.
*********************************************************************/

NTSTATUS map_nt_error_from_unix(int unix_error)
{
        int i = 0;

        if (unix_error == 0) {
                /* we map this to an error, not success, as this
                   function is only called in an error path. Lots of
                   our virtualised functions may fail without making a
                   unix system call that fails (such as when they are
                   checking for some handle existing), so unix_error
                   may be unset
                */
                return NT_STATUS_UNSUCCESSFUL;
        }

        /* Look through list */
        while(unix_dos_nt_errmap[i].unix_error != 0) {
                if (unix_dos_nt_errmap[i].unix_error == unix_error)
                        return unix_dos_nt_errmap[i].nt_error;
                i++;
        }

        /* Default return */
        return NT_STATUS_ACCESS_DENIED;
}