source3/lib/errmap_unix.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  map unix to NT errors, an excerpt of libsmb/errormap.c
   4  *  Copyright (C) Andrew Tridgell 2001
   5  *  Copyright (C) Andrew Bartlett 2001
   6  *  Copyright (C) Tim Potter 2000
   7  *  Copyright (C) Jeremy Allison 2007
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 3 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 #include "includes.h"
  24
  25 /* Mapping from Unix, to NT error numbers */
  26
  27 static const struct {
  28         int unix_error;
  29         NTSTATUS nt_error;
  30 } unix_nt_errmap[] = {
  31         { EAGAIN,       NT_STATUS_NETWORK_BUSY },
  32         { EINTR,        NT_STATUS_RETRY },
  33 #ifdef ENOBUFS
  34         { ENOBUFS,      NT_STATUS_INSUFFICIENT_RESOURCES },
  35 #endif
  36 #ifdef EWOULDBLOCK
  37         { EWOULDBLOCK,  NT_STATUS_NETWORK_BUSY },
  38 #endif
  39         { EPERM,        NT_STATUS_ACCESS_DENIED },
  40         { EACCES,       NT_STATUS_ACCESS_DENIED },
  41         { ENOENT,       NT_STATUS_OBJECT_NAME_NOT_FOUND },
  42         { ENOTDIR,      NT_STATUS_NOT_A_DIRECTORY },
  43         { EIO,          NT_STATUS_IO_DEVICE_ERROR },
  44         { EBADF,        NT_STATUS_INVALID_HANDLE },
  45         { EINVAL,       NT_STATUS_INVALID_PARAMETER },
  46         { EEXIST,       NT_STATUS_OBJECT_NAME_COLLISION},
  47         { ENFILE,       NT_STATUS_TOO_MANY_OPENED_FILES },
  48         { EMFILE,       NT_STATUS_TOO_MANY_OPENED_FILES },
  49         { ENOSPC,       NT_STATUS_DISK_FULL },
  50         { ENOMEM,       NT_STATUS_NO_MEMORY },
  51         { EISDIR,       NT_STATUS_FILE_IS_A_DIRECTORY},
  52         { EMSGSIZE,     NT_STATUS_PORT_MESSAGE_TOO_LONG },
  53 #ifdef EPIPE
  54         { EPIPE,        NT_STATUS_CONNECTION_DISCONNECTED},
  55 #endif
  56         { EMLINK,       NT_STATUS_TOO_MANY_LINKS },
  57         { ENOSYS,       NT_STATUS_NOT_SUPPORTED },
  58 #ifdef ELOOP
  59         { ELOOP,        NT_STATUS_OBJECT_PATH_NOT_FOUND },
  60 #endif
  61 #ifdef EFTYPE
  62         { EFTYPE,       NT_STATUS_OBJECT_PATH_NOT_FOUND },
  63 #endif
  64 #ifdef EDQUOT
  65         { EDQUOT,       NT_STATUS_DISK_FULL }, /* Windows apps need this, not NT_STATUS_QUOTA_EXCEEDED */
  66 #endif
  67 #ifdef ENOTEMPTY
  68         { ENOTEMPTY,    NT_STATUS_DIRECTORY_NOT_EMPTY },
  69 #endif
  70 #ifdef EXDEV
  71         { EXDEV,        NT_STATUS_NOT_SAME_DEVICE },
  72 #endif
  73 #ifdef EROFS
  74         { EROFS,        NT_STATUS_MEDIA_WRITE_PROTECTED },
  75 #endif
  76 #ifdef ENAMETOOLONG
  77         { ENAMETOOLONG, NT_STATUS_OBJECT_NAME_INVALID },
  78 #endif
  79 #ifdef EFBIG
  80         { EFBIG,        NT_STATUS_DISK_FULL },
  81 #endif
  82 #ifdef EADDRINUSE
  83         { EADDRINUSE,   NT_STATUS_ADDRESS_ALREADY_ASSOCIATED},
  84 #endif
  85 #ifdef ENETUNREACH
  86         { ENETUNREACH,  NT_STATUS_NETWORK_UNREACHABLE},
  87 #endif
  88 #ifdef EHOSTUNREACH
  89         { EHOSTUNREACH, NT_STATUS_HOST_UNREACHABLE},
  90 #endif
  91 #ifdef ECONNREFUSED
  92         { ECONNREFUSED, NT_STATUS_CONNECTION_REFUSED},
  93 #endif
  94 #ifdef ETIMEDOUT
  95         { ETIMEDOUT,    NT_STATUS_IO_TIMEOUT},
  96 #endif
  97 #ifdef ECONNABORTED
  98         { ECONNABORTED, NT_STATUS_CONNECTION_ABORTED},
  99 #endif
 100 #ifdef ECONNRESET
 101         { ECONNRESET,   NT_STATUS_CONNECTION_RESET},
 102 #endif
 103 #ifdef ENODEV
 104         { ENODEV,       NT_STATUS_DEVICE_DOES_NOT_EXIST},
 105 #endif
 106 #ifdef ENOATTR
 107         { ENOATTR,      NT_STATUS_NOT_FOUND },
 108 #endif
 109 #ifdef ECANCELED
 110         { ECANCELED,    NT_STATUS_CANCELLED},
 111 #endif
 112 #ifdef ENOTSUP
 113         { ENOTSUP,      NT_STATUS_NOT_SUPPORTED},
 114 #endif
 115 #ifdef ETXTBSY
 116         { ETXTBSY,      NT_STATUS_SHARING_VIOLATION },
 117 #endif
 118 #ifdef EOVERFLOW
 119         { EOVERFLOW,      NT_STATUS_ALLOTTED_SPACE_EXCEEDED },
 120 #endif
 121         { EINPROGRESS,  NT_STATUS_MORE_PROCESSING_REQUIRED },
 122 #ifdef ERANGE
 123         { ERANGE, NT_STATUS_INTEGER_OVERFLOW },
 124 #endif
 125 #ifdef ENXIO
 126         { ENXIO, NT_STATUS_ILLEGAL_FUNCTION },
 127 #endif
 128 };
 129
 130 /*********************************************************************
 131  Map an NT error code from a Unix error code.
 132 *********************************************************************/
 133
 134 NTSTATUS map_nt_error_from_unix(int unix_error)
 135 {
 136         size_t i = 0;
 137
 138         if (unix_error == 0) {
 139                 /* we map this to an error, not success, as this
 140                    function is only called in an error path. Lots of
 141                    our virtualised functions may fail without making a
 142                    unix system call that fails (such as when they are
 143                    checking for some handle existing), so unix_error
 144                    may be unset
 145                 */
 146                 return NT_STATUS_UNSUCCESSFUL;
 147         }
 148
 149         /* Look through list */
 150         for (i=0;i<ARRAY_SIZE(unix_nt_errmap);i++) {
 151                 if (unix_nt_errmap[i].unix_error == unix_error) {
 152                         return unix_nt_errmap[i].nt_error;
 153                 }
 154         }
 155
 156         /* Default return */
 157         return NT_STATUS_ACCESS_DENIED;
 158 }