1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-sysdeps-util.c Would be in dbus-sysdeps.c, but not used in libdbus
4 * Copyright (C) 2002, 2003, 2004, 2005 Red Hat, Inc.
5 * Copyright (C) 2003 CodeFactory AB
7 * Licensed under the Academic Free License version 2.1
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 2 of the License, or
12 * (at your option) any later version.
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.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #define STRSAFE_NO_DEPRECATE
29 #include "dbus-sysdeps.h"
30 #include "dbus-internals.h"
31 #include "dbus-protocol.h"
32 #include "dbus-string.h"
33 #include "dbus-sysdeps.h"
34 #include "dbus-sysdeps-win.h"
35 #include "dbus-memory.h"
46 #if defined __MINGW32__ || (defined _MSC_VER && _MSC_VER <= 1310)
47 /* save string functions version
48 using DBusString needs to much time because of uncommon api
52 errno_t strcat_s(char *dest, size_t size, char *src)
54 _dbus_assert(strlen(dest) + strlen(src) +1 <= size);
59 errno_t strcpy_s(char *dest, size_t size, char *src)
61 _dbus_assert(strlen(src) +1 <= size);
68 * Does the chdir, fork, setsid, etc. to become a daemon process.
70 * @param pidfile #NULL, or pidfile to create
71 * @param print_pid_fd file descriptor to print daemon's pid to, or -1 for none
72 * @param error return location for errors
73 * @param keep_umask #TRUE to keep the original umask
74 * @returns #FALSE on failure
77 _dbus_become_daemon (const DBusString *pidfile,
78 DBusPipe *print_pid_pipe,
80 dbus_bool_t keep_umask)
86 * Creates a file containing the process ID.
88 * @param filename the filename to write to
89 * @param pid our process ID
90 * @param error return location for errors
91 * @returns #FALSE on failure
94 _dbus_write_pid_file (const DBusString *filename,
98 const char *cfilename;
102 cfilename = _dbus_string_get_const_data (filename);
104 if (!_dbus_file_open(&file, cfilename, O_WRONLY|O_CREAT|O_EXCL|O_BINARY, 0644))
106 dbus_set_error (error, _dbus_error_from_errno (errno),
107 "Failed to open \"%s\": %s", cfilename,
108 _dbus_strerror (errno));
112 if ((f = fdopen (file.FDATA, "w")) == NULL)
114 dbus_set_error (error, _dbus_error_from_errno (errno),
115 "Failed to fdopen fd %d: %s", file.FDATA, _dbus_strerror (errno));
116 _dbus_file_close (&file, NULL);
120 if (fprintf (f, "%lu\n", pid) < 0)
122 dbus_set_error (error, _dbus_error_from_errno (errno),
123 "Failed to write to \"%s\": %s", cfilename,
124 _dbus_strerror (errno));
130 if (fclose (f) == EOF)
132 dbus_set_error (error, _dbus_error_from_errno (errno),
133 "Failed to close \"%s\": %s", cfilename,
134 _dbus_strerror (errno));
142 * Verify that after the fork we can successfully change to this user.
144 * @param user the username given in the daemon configuration
145 * @returns #TRUE if username is valid
148 _dbus_verify_daemon_user (const char *user)
154 * Changes the user and group the bus is running as.
156 * @param user the user to become
157 * @param error return location for errors
158 * @returns #FALSE on failure
161 _dbus_change_to_daemon_user (const char *user,
168 * Changes the user and group the bus is running as.
170 * @param uid the new user ID
171 * @param gid the new group ID
172 * @param error return location for errors
173 * @returns #FALSE on failure
176 _dbus_change_identity (dbus_uid_t uid,
183 /** Checks if user is at the console
185 * @param username user to check
186 * @param error return location for errors
187 * @returns #TRUE is the user is at the consolei and there are no errors
190 _dbus_user_at_console(const char *username,
196 dbus_bool_t retval = FALSE;
199 PSID user_sid, console_user_sid;
202 wusername = _dbus_win_utf8_to_utf16 (username, error);
207 if (!_dbus_win_account_to_sid (wusername, &user_sid, error))
210 /* Now we have the SID for username. Get the SID of the
211 * user at the "console" (window station WinSta0)
213 if (!(winsta = OpenWindowStation ("WinSta0", FALSE, READ_CONTROL)))
215 _dbus_win_set_error_from_win_error (error, GetLastError ());
220 GetUserObjectInformation (winsta, UOI_USER_SID,
221 NULL, 0, &sid_length);
224 /* Nobody is logged on */
228 if (sid_length < 0 || sid_length > 1000)
230 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID length");
234 console_user_sid = dbus_malloc (sid_length);
235 if (!console_user_sid)
237 _DBUS_SET_OOM (error);
241 if (!GetUserObjectInformation (winsta, UOI_USER_SID,
242 console_user_sid, sid_length, &sid_length))
244 _dbus_win_set_error_from_win_error (error, GetLastError ());
248 if (!IsValidSid (console_user_sid))
250 dbus_set_error_const (error, DBUS_ERROR_FAILED, "Invalid SID");
254 retval = EqualSid (user_sid, console_user_sid);
257 dbus_free (console_user_sid);
259 CloseWindowStation (winsta);
261 dbus_free (user_sid);
263 dbus_free (wusername);
270 * Removes a directory; Directory must be empty
272 * @param filename directory filename
273 * @param error initialized error object
274 * @returns #TRUE on success
277 _dbus_delete_directory (const DBusString *filename,
280 const char *filename_c;
282 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
284 filename_c = _dbus_string_get_const_data (filename);
286 if (rmdir (filename_c) != 0)
288 dbus_set_error (error, DBUS_ERROR_FAILED,
289 "Failed to remove directory %s: %s\n",
290 filename_c, _dbus_strerror (errno));
297 /** Installs a signal handler
299 * @param sig the signal to handle
300 * @param handler the handler
303 _dbus_set_signal_handler (int sig,
304 DBusSignalHandler handler)
306 _dbus_verbose ("_dbus_set_signal_handler() has to be implemented\n");
309 /** Checks if a file exists
311 * @param file full path to the file
312 * @returns #TRUE if file exists
315 _dbus_file_exists (const char *file)
317 HANDLE h = CreateFile(
318 file, /* LPCTSTR lpFileName*/
319 0, /* DWORD dwDesiredAccess */
320 0, /* DWORD dwShareMode*/
321 NULL, /* LPSECURITY_ATTRIBUTES lpSecurityAttributes */
322 OPEN_EXISTING, /* DWORD dwCreationDisposition */
323 FILE_ATTRIBUTE_NORMAL, /* DWORD dwFlagsAndAttributes */
324 NULL /* HANDLE hTemplateFile */
327 /* file not found, use local copy of session.conf */
328 if (h != INVALID_HANDLE_VALUE && GetLastError() != ERROR_PATH_NOT_FOUND)
340 * @param filename the filename to stat
341 * @param statbuf the stat info to fill in
342 * @param error return location for error
343 * @returns #FALSE if error was set
346 _dbus_stat(const DBusString *filename,
354 const char *filename_c;
355 #if !defined(DBUS_WIN) && !defined(DBUS_WINCE)
360 WIN32_FILE_ATTRIBUTE_DATA wfad;
363 PSID owner_sid, group_sid;
364 PSECURITY_DESCRIPTOR sd;
367 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
369 filename_c = _dbus_string_get_const_data (filename);
371 if (!GetFileAttributesEx (filename_c, GetFileExInfoStandard, &wfad))
373 _dbus_win_set_error_from_win_error (error, GetLastError ());
377 if (wfad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
378 statbuf->mode = _S_IFDIR;
380 statbuf->mode = _S_IFREG;
382 statbuf->mode |= _S_IREAD;
383 if (wfad.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
384 statbuf->mode |= _S_IWRITE;
386 lastdot = strrchr (filename_c, '.');
387 if (lastdot && stricmp (lastdot, ".exe") == 0)
388 statbuf->mode |= _S_IEXEC;
390 statbuf->mode |= (statbuf->mode & 0700) >> 3;
391 statbuf->mode |= (statbuf->mode & 0700) >> 6;
396 rc = GetNamedSecurityInfo ((char *) filename_c, SE_FILE_OBJECT,
397 OWNER_SECURITY_INFORMATION |
398 GROUP_SECURITY_INFORMATION,
399 &owner_sid, &group_sid,
402 if (rc != ERROR_SUCCESS)
404 _dbus_win_set_error_from_win_error (error, rc);
410 #ifdef ENABLE_UID_TO_SID
412 statbuf->uid = _dbus_win_sid_to_uid_t (owner_sid);
413 statbuf->gid = _dbus_win_sid_to_uid_t (group_sid);
418 statbuf->size = ((dbus_int64_t) wfad.nFileSizeHigh << 32) + wfad.nFileSizeLow;
421 (((dbus_int64_t) wfad.ftLastAccessTime.dwHighDateTime << 32) +
422 wfad.ftLastAccessTime.dwLowDateTime) / 10000000 - DBUS_INT64_CONSTANT (116444736000000000);
425 (((dbus_int64_t) wfad.ftLastWriteTime.dwHighDateTime << 32) +
426 wfad.ftLastWriteTime.dwLowDateTime) / 10000000 - DBUS_INT64_CONSTANT (116444736000000000);
429 (((dbus_int64_t) wfad.ftCreationTime.dwHighDateTime << 32) +
430 wfad.ftCreationTime.dwLowDateTime) / 10000000 - DBUS_INT64_CONSTANT (116444736000000000);
439 // mingw ships with dirent.h
441 #define _dbus_opendir opendir
442 #define _dbus_readdir readdir
443 #define _dbus_closedir closedir
448 #include <io.h> // win32 file functions
451 #include <sys/types.h>
454 /* This file is part of the KDE project
455 Copyright (C) 2000 Werner Almesberger
457 libc/sys/linux/sys/dirent.h - Directory entry as returned by readdir
459 This program is free software; you can redistribute it and/or
460 modify it under the terms of the GNU Library General Public
461 License as published by the Free Software Foundation; either
462 version 2 of the License, or (at your option) any later version.
464 This program is distributed in the hope that it will be useful,
465 but WITHOUT ANY WARRANTY; without even the implied warranty of
466 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
467 Library General Public License for more details.
469 You should have received a copy of the GNU Library General Public License
470 along with this program; see the file COPYING. If not, write to
471 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
472 Boston, MA 02110-1301, USA.
474 #define HAVE_NO_D_NAMLEN /* no struct dirent->d_namlen */
475 #define HAVE_DD_LOCK /* have locking mechanism */
477 #define MAXNAMLEN 255 /* sizeof(struct dirent.d_name)-1 */
479 #define __dirfd(dir) (dir)->dd_fd
481 /* struct dirent - same as Unix */
484 long d_ino; /* inode (always 1 in WIN32) */
485 off_t d_off; /* offset to this dirent */
486 unsigned short d_reclen; /* length of d_name */
487 char d_name[_MAX_FNAME+1]; /* filename (null terminated) */
490 /* typedef DIR - not the same as Unix */
493 long handle; /* _findfirst/_findnext handle */
494 short offset; /* offset into directory */
495 short finished; /* 1 if there are not more files */
496 struct _finddata_t fileinfo; /* from _findfirst/_findnext */
497 char *dir; /* the dir we are reading */
498 struct dirent dent; /* the dirent to return */
502 /**********************************************************************
503 * Implement dirent-style opendir/readdir/closedir on Window 95/NT
505 * Functions defined are opendir(), readdir() and closedir() with the
506 * same prototypes as the normal dirent.h implementation.
508 * Does not implement telldir(), seekdir(), rewinddir() or scandir().
509 * The dirent struct is compatible with Unix, except that d_ino is
510 * always 1 and d_off is made up as we go along.
512 * The DIR typedef is not compatible with Unix.
513 **********************************************************************/
515 DIR * _dbus_opendir(const char *dir)
522 filespec = malloc(strlen(dir) + 2 + 1);
523 strcpy(filespec, dir);
524 index = strlen(filespec) - 1;
525 if (index >= 0 && (filespec[index] == '/' || filespec[index] == '\\'))
526 filespec[index] = '\0';
527 strcat(filespec, "\\*");
529 dp = (DIR *)malloc(sizeof(DIR));
532 dp->dir = strdup(dir);
534 if ((handle = _findfirst(filespec, &(dp->fileinfo))) < 0)
548 struct dirent * _dbus_readdir(DIR *dp)
550 if (!dp || dp->finished)
555 if (_findnext(dp->handle, &(dp->fileinfo)) < 0)
564 strncpy(dp->dent.d_name, dp->fileinfo.name, _MAX_FNAME);
566 dp->dent.d_reclen = strlen(dp->dent.d_name);
567 dp->dent.d_off = dp->offset;
573 int _dbus_closedir(DIR *dp)
577 _findclose(dp->handle);
586 #endif //#ifdef HAVE_DIRENT_H
589 * Internals of directory iterator
593 DIR *d; /**< The DIR* from opendir() */
598 * Open a directory to iterate over.
600 * @param filename the directory name
601 * @param error exception return object or #NULL
602 * @returns new iterator, or #NULL on error
605 _dbus_directory_open (const DBusString *filename,
610 const char *filename_c;
612 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
614 filename_c = _dbus_string_get_const_data (filename);
616 d = _dbus_opendir (filename_c);
619 dbus_set_error (error, _dbus_error_from_errno (errno),
620 "Failed to read directory \"%s\": %s",
622 _dbus_strerror (errno));
625 iter = dbus_new0 (DBusDirIter, 1);
629 dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
630 "Could not allocate memory for directory iterator");
640 * Get next file in the directory. Will not return "." or ".." on
641 * UNIX. If an error occurs, the contents of "filename" are
642 * undefined. The error is never set if the function succeeds.
644 * @todo for thread safety, I think we have to use
645 * readdir_r(). (GLib has the same issue, should file a bug.)
647 * @param iter the iterator
648 * @param filename string to be set to the next file in the dir
649 * @param error return location for error
650 * @returns #TRUE if filename was filled in with a new filename
653 _dbus_directory_get_next_file (DBusDirIter *iter,
654 DBusString *filename,
659 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
663 ent = _dbus_readdir (iter->d);
667 dbus_set_error (error,
668 _dbus_error_from_errno (errno),
669 "%s", _dbus_strerror (errno));
672 else if (ent->d_name[0] == '.' &&
673 (ent->d_name[1] == '\0' ||
674 (ent->d_name[1] == '.' && ent->d_name[2] == '\0')))
678 _dbus_string_set_length (filename, 0);
679 if (!_dbus_string_append (filename, ent->d_name))
681 dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
682 "No memory to read directory entry");
691 * Closes a directory iteration.
694 _dbus_directory_close (DBusDirIter *iter)
696 _dbus_closedir (iter->d);
701 * Checks whether the filename is an absolute path
703 * @param filename the filename
704 * @returns #TRUE if an absolute path
707 _dbus_path_is_absolute (const DBusString *filename)
709 if (_dbus_string_get_length (filename) > 0)
710 return _dbus_string_get_byte (filename, 1) == ':'
711 || _dbus_string_get_byte (filename, 0) == '\\'
712 || _dbus_string_get_byte (filename, 0) == '/';
717 /** @} */ /* End of DBusInternalsUtils functions */
720 * @addtogroup DBusString
725 * Get the directory name from a complete filename
726 * @param filename the filename
727 * @param dirname string to append directory name to
728 * @returns #FALSE if no memory
731 _dbus_string_get_dirname(const DBusString *filename,
736 _dbus_assert (filename != dirname);
737 _dbus_assert (filename != NULL);
738 _dbus_assert (dirname != NULL);
740 /* Ignore any separators on the end */
741 sep = _dbus_string_get_length (filename);
743 return _dbus_string_append (dirname, "."); /* empty string passed in */
746 (_dbus_string_get_byte (filename, sep - 1) == '/' ||
747 _dbus_string_get_byte (filename, sep - 1) == '\\'))
750 _dbus_assert (sep >= 0);
754 _dbus_string_get_byte (filename, 1) == ':' &&
755 isalpha (_dbus_string_get_byte (filename, 0))))
756 return _dbus_string_copy_len (filename, 0, sep + 1,
757 dirname, _dbus_string_get_length (dirname));
761 _dbus_string_find_byte_backward (filename, sep, '/', &sep1);
762 _dbus_string_find_byte_backward (filename, sep, '\\', &sep2);
764 sep = MAX (sep1, sep2);
767 return _dbus_string_append (dirname, ".");
770 (_dbus_string_get_byte (filename, sep - 1) == '/' ||
771 _dbus_string_get_byte (filename, sep - 1) == '\\'))
774 _dbus_assert (sep >= 0);
778 _dbus_string_get_byte (filename, 1) == ':' &&
779 isalpha (_dbus_string_get_byte (filename, 0))))
781 (_dbus_string_get_byte (filename, sep) == '/' ||
782 _dbus_string_get_byte (filename, sep) == '\\'))
783 return _dbus_string_copy_len (filename, 0, sep + 1,
784 dirname, _dbus_string_get_length (dirname));
786 return _dbus_string_copy_len (filename, 0, sep - 0,
787 dirname, _dbus_string_get_length (dirname));
792 * Checks to see if the UNIX user ID matches the UID of
793 * the process. Should always return #FALSE on Windows.
795 * @param uid the UNIX user ID
796 * @returns #TRUE if this uid owns the process.
799 _dbus_unix_user_is_process_owner (dbus_uid_t uid)
804 /*=====================================================================
805 unix emulation functions - should be removed sometime in the future
806 =====================================================================*/
809 * Checks to see if the UNIX user ID is at the console.
810 * Should always fail on Windows (set the error to
811 * #DBUS_ERROR_NOT_SUPPORTED).
813 * @param uid UID of person to check
814 * @param error return location for errors
815 * @returns #TRUE if the UID is the same as the console user and there are no errors
818 _dbus_unix_user_is_at_console (dbus_uid_t uid,
826 * Parse a UNIX group from the bus config file. On Windows, this should
827 * simply always fail (just return #FALSE).
829 * @param groupname the groupname text
830 * @param gid_p place to return the gid
831 * @returns #TRUE on success
834 _dbus_parse_unix_group_from_config (const DBusString *groupname,
841 * Parse a UNIX user from the bus config file. On Windows, this should
842 * simply always fail (just return #FALSE).
844 * @param username the username text
845 * @param uid_p place to return the uid
846 * @returns #TRUE on success
849 _dbus_parse_unix_user_from_config (const DBusString *username,
857 * Gets all groups corresponding to the given UNIX user ID. On UNIX,
858 * just calls _dbus_groups_from_uid(). On Windows, should always
859 * fail since we don't know any UNIX groups.
862 * @param group_ids return location for array of group IDs
863 * @param n_group_ids return location for length of returned array
864 * @returns #TRUE if the UID existed and we got some credentials
867 _dbus_unix_groups_from_uid (dbus_uid_t uid,
868 dbus_gid_t **group_ids,
876 /** @} */ /* DBusString stuff */
878 /************************************************************************
882 ************************************************************************/
886 * Assigns an error name and message corresponding to a Win32 error
887 * code to a DBusError. Does nothing if error is #NULL.
889 * @param error the error.
890 * @param code the Win32 error code
893 _dbus_win_set_error_from_win_error (DBusError *error,
898 /* As we want the English message, use the A API */
899 FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |
900 FORMAT_MESSAGE_IGNORE_INSERTS |
901 FORMAT_MESSAGE_FROM_SYSTEM,
902 NULL, code, MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US),
903 (LPTSTR) &msg, 0, NULL);
908 msg_copy = dbus_malloc (strlen (msg));
909 strcpy (msg_copy, msg);
912 dbus_set_error (error, "win32.error", "%s", msg_copy);
915 dbus_set_error (error, "win32.error", "Unknown error code %d or FormatMessage failed", code);
919 _dbus_win_warn_win_error (const char *message,
922 DBusError error = DBUS_ERROR_INIT;
924 _dbus_win_set_error_from_win_error (&error, code);
925 _dbus_warn ("%s: %s\n", message, error.message);
926 dbus_error_free (&error);
930 * A wrapper around strerror() because some platforms
931 * may be lame and not have strerror().
933 * @param error_number errno.
934 * @returns error description.
937 _dbus_strerror (int error_number)
945 switch (error_number)
948 return "Interrupted function call";
950 return "Permission denied";
952 return "Bad address";
954 return "Invalid argument";
956 return "Too many open files";
958 return "Resource temporarily unavailable";
960 return "Operation now in progress";
962 return "Operation already in progress";
964 return "Socket operation on nonsocket";
965 case WSAEDESTADDRREQ:
966 return "Destination address required";
968 return "Message too long";
970 return "Protocol wrong type for socket";
972 return "Bad protocol option";
973 case WSAEPROTONOSUPPORT:
974 return "Protocol not supported";
975 case WSAESOCKTNOSUPPORT:
976 return "Socket type not supported";
978 return "Operation not supported";
979 case WSAEPFNOSUPPORT:
980 return "Protocol family not supported";
981 case WSAEAFNOSUPPORT:
982 return "Address family not supported by protocol family";
984 return "Address already in use";
985 case WSAEADDRNOTAVAIL:
986 return "Cannot assign requested address";
988 return "Network is down";
990 return "Network is unreachable";
992 return "Network dropped connection on reset";
993 case WSAECONNABORTED:
994 return "Software caused connection abort";
996 return "Connection reset by peer";
998 return "No buffer space available";
1000 return "Socket is already connected";
1002 return "Socket is not connected";
1004 return "Cannot send after socket shutdown";
1006 return "Connection timed out";
1007 case WSAECONNREFUSED:
1008 return "Connection refused";
1010 return "Host is down";
1011 case WSAEHOSTUNREACH:
1012 return "No route to host";
1014 return "Too many processes";
1016 return "Graceful shutdown in progress";
1017 case WSATYPE_NOT_FOUND:
1018 return "Class type not found";
1019 case WSAHOST_NOT_FOUND:
1020 return "Host not found";
1022 return "Nonauthoritative host not found";
1023 case WSANO_RECOVERY:
1024 return "This is a nonrecoverable error";
1026 return "Valid name, no data record of requested type";
1027 case WSA_INVALID_HANDLE:
1028 return "Specified event object handle is invalid";
1029 case WSA_INVALID_PARAMETER:
1030 return "One or more parameters are invalid";
1031 case WSA_IO_INCOMPLETE:
1032 return "Overlapped I/O event object not in signaled state";
1033 case WSA_IO_PENDING:
1034 return "Overlapped operations will complete later";
1035 case WSA_NOT_ENOUGH_MEMORY:
1036 return "Insufficient memory available";
1037 case WSA_OPERATION_ABORTED:
1038 return "Overlapped operation aborted";
1039 #ifdef WSAINVALIDPROCTABLE
1041 case WSAINVALIDPROCTABLE:
1042 return "Invalid procedure table from service provider";
1044 #ifdef WSAINVALIDPROVIDER
1046 case WSAINVALIDPROVIDER:
1047 return "Invalid service provider version number";
1049 #ifdef WSAPROVIDERFAILEDINIT
1051 case WSAPROVIDERFAILEDINIT:
1052 return "Unable to initialize a service provider";
1055 case WSASYSCALLFAILURE:
1056 return "System call failure";
1058 msg = strerror (error_number);
1068 /* lan manager error codes */
1070 _dbus_lm_strerror(int error_number)
1077 switch (error_number)
1079 case NERR_NetNotStarted:
1080 return "The workstation driver is not installed.";
1081 case NERR_UnknownServer:
1082 return "The server could not be located.";
1084 return "An internal error occurred. The network cannot access a shared memory segment.";
1085 case NERR_NoNetworkResource:
1086 return "A network resource shortage occurred.";
1087 case NERR_RemoteOnly:
1088 return "This operation is not supported on workstations.";
1089 case NERR_DevNotRedirected:
1090 return "The device is not connected.";
1091 case NERR_ServerNotStarted:
1092 return "The Server service is not started.";
1093 case NERR_ItemNotFound:
1094 return "The queue is empty.";
1095 case NERR_UnknownDevDir:
1096 return "The device or directory does not exist.";
1097 case NERR_RedirectedPath:
1098 return "The operation is invalid on a redirected resource.";
1099 case NERR_DuplicateShare:
1100 return "The name has already been shared.";
1102 return "The server is currently out of the requested resource.";
1103 case NERR_TooManyItems:
1104 return "Requested addition of items exceeds the maximum allowed.";
1105 case NERR_InvalidMaxUsers:
1106 return "The Peer service supports only two simultaneous users.";
1107 case NERR_BufTooSmall:
1108 return "The API return buffer is too small.";
1109 case NERR_RemoteErr:
1110 return "A remote API error occurred.";
1111 case NERR_LanmanIniError:
1112 return "An error occurred when opening or reading the configuration file.";
1113 case NERR_NetworkError:
1114 return "A general network error occurred.";
1115 case NERR_WkstaInconsistentState:
1116 return "The Workstation service is in an inconsistent state. Restart the computer before restarting the Workstation service.";
1117 case NERR_WkstaNotStarted:
1118 return "The Workstation service has not been started.";
1119 case NERR_BrowserNotStarted:
1120 return "The requested information is not available.";
1121 case NERR_InternalError:
1122 return "An internal error occurred.";
1123 case NERR_BadTransactConfig:
1124 return "The server is not configured for transactions.";
1125 case NERR_InvalidAPI:
1126 return "The requested API is not supported on the remote server.";
1127 case NERR_BadEventName:
1128 return "The event name is invalid.";
1129 case NERR_DupNameReboot:
1130 return "The computer name already exists on the network. Change it and restart the computer.";
1131 case NERR_CfgCompNotFound:
1132 return "The specified component could not be found in the configuration information.";
1133 case NERR_CfgParamNotFound:
1134 return "The specified parameter could not be found in the configuration information.";
1135 case NERR_LineTooLong:
1136 return "A line in the configuration file is too long.";
1137 case NERR_QNotFound:
1138 return "The printer does not exist.";
1139 case NERR_JobNotFound:
1140 return "The print job does not exist.";
1141 case NERR_DestNotFound:
1142 return "The printer destination cannot be found.";
1143 case NERR_DestExists:
1144 return "The printer destination already exists.";
1146 return "The printer queue already exists.";
1148 return "No more printers can be added.";
1149 case NERR_JobNoRoom:
1150 return "No more print jobs can be added.";
1151 case NERR_DestNoRoom:
1152 return "No more printer destinations can be added.";
1154 return "This printer destination is idle and cannot accept control operations.";
1155 case NERR_DestInvalidOp:
1156 return "This printer destination request contains an invalid control function.";
1157 case NERR_ProcNoRespond:
1158 return "The print processor is not responding.";
1159 case NERR_SpoolerNotLoaded:
1160 return "The spooler is not running.";
1161 case NERR_DestInvalidState:
1162 return "This operation cannot be performed on the print destination in its current state.";
1163 case NERR_QInvalidState:
1164 return "This operation cannot be performed on the printer queue in its current state.";
1165 case NERR_JobInvalidState:
1166 return "This operation cannot be performed on the print job in its current state.";
1167 case NERR_SpoolNoMemory:
1168 return "A spooler memory allocation failure occurred.";
1169 case NERR_DriverNotFound:
1170 return "The device driver does not exist.";
1171 case NERR_DataTypeInvalid:
1172 return "The data type is not supported by the print processor.";
1173 case NERR_ProcNotFound:
1174 return "The print processor is not installed.";
1175 case NERR_ServiceTableLocked:
1176 return "The service database is locked.";
1177 case NERR_ServiceTableFull:
1178 return "The service table is full.";
1179 case NERR_ServiceInstalled:
1180 return "The requested service has already been started.";
1181 case NERR_ServiceEntryLocked:
1182 return "The service does not respond to control actions.";
1183 case NERR_ServiceNotInstalled:
1184 return "The service has not been started.";
1185 case NERR_BadServiceName:
1186 return "The service name is invalid.";
1187 case NERR_ServiceCtlTimeout:
1188 return "The service is not responding to the control function.";
1189 case NERR_ServiceCtlBusy:
1190 return "The service control is busy.";
1191 case NERR_BadServiceProgName:
1192 return "The configuration file contains an invalid service program name.";
1193 case NERR_ServiceNotCtrl:
1194 return "The service could not be controlled in its present state.";
1195 case NERR_ServiceKillProc:
1196 return "The service ended abnormally.";
1197 case NERR_ServiceCtlNotValid:
1198 return "The requested pause or stop is not valid for this service.";
1199 case NERR_NotInDispatchTbl:
1200 return "The service control dispatcher could not find the service name in the dispatch table.";
1201 case NERR_BadControlRecv:
1202 return "The service control dispatcher pipe read failed.";
1203 case NERR_ServiceNotStarting:
1204 return "A thread for the new service could not be created.";
1205 case NERR_AlreadyLoggedOn:
1206 return "This workstation is already logged on to the local-area network.";
1207 case NERR_NotLoggedOn:
1208 return "The workstation is not logged on to the local-area network.";
1209 case NERR_BadUsername:
1210 return "The user name or group name parameter is invalid.";
1211 case NERR_BadPassword:
1212 return "The password parameter is invalid.";
1213 case NERR_UnableToAddName_W:
1214 return "@W The logon processor did not add the message alias.";
1215 case NERR_UnableToAddName_F:
1216 return "The logon processor did not add the message alias.";
1217 case NERR_UnableToDelName_W:
1218 return "@W The logoff processor did not delete the message alias.";
1219 case NERR_UnableToDelName_F:
1220 return "The logoff processor did not delete the message alias.";
1221 case NERR_LogonsPaused:
1222 return "Network logons are paused.";
1223 case NERR_LogonServerConflict:
1224 return "A centralized logon-server conflict occurred.";
1225 case NERR_LogonNoUserPath:
1226 return "The server is configured without a valid user path.";
1227 case NERR_LogonScriptError:
1228 return "An error occurred while loading or running the logon script.";
1229 case NERR_StandaloneLogon:
1230 return "The logon server was not specified. Your computer will be logged on as STANDALONE.";
1231 case NERR_LogonServerNotFound:
1232 return "The logon server could not be found.";
1233 case NERR_LogonDomainExists:
1234 return "There is already a logon domain for this computer.";
1235 case NERR_NonValidatedLogon:
1236 return "The logon server could not validate the logon.";
1237 case NERR_ACFNotFound:
1238 return "The security database could not be found.";
1239 case NERR_GroupNotFound:
1240 return "The group name could not be found.";
1241 case NERR_UserNotFound:
1242 return "The user name could not be found.";
1243 case NERR_ResourceNotFound:
1244 return "The resource name could not be found.";
1245 case NERR_GroupExists:
1246 return "The group already exists.";
1247 case NERR_UserExists:
1248 return "The user account already exists.";
1249 case NERR_ResourceExists:
1250 return "The resource permission list already exists.";
1251 case NERR_NotPrimary:
1252 return "This operation is only allowed on the primary domain controller of the domain.";
1253 case NERR_ACFNotLoaded:
1254 return "The security database has not been started.";
1255 case NERR_ACFNoRoom:
1256 return "There are too many names in the user accounts database.";
1257 case NERR_ACFFileIOFail:
1258 return "A disk I/O failure occurred.";
1259 case NERR_ACFTooManyLists:
1260 return "The limit of 64 entries per resource was exceeded.";
1261 case NERR_UserLogon:
1262 return "Deleting a user with a session is not allowed.";
1263 case NERR_ACFNoParent:
1264 return "The parent directory could not be located.";
1265 case NERR_CanNotGrowSegment:
1266 return "Unable to add to the security database session cache segment.";
1267 case NERR_SpeGroupOp:
1268 return "This operation is not allowed on this special group.";
1269 case NERR_NotInCache:
1270 return "This user is not cached in user accounts database session cache.";
1271 case NERR_UserInGroup:
1272 return "The user already belongs to this group.";
1273 case NERR_UserNotInGroup:
1274 return "The user does not belong to this group.";
1275 case NERR_AccountUndefined:
1276 return "This user account is undefined.";
1277 case NERR_AccountExpired:
1278 return "This user account has expired.";
1279 case NERR_InvalidWorkstation:
1280 return "The user is not allowed to log on from this workstation.";
1281 case NERR_InvalidLogonHours:
1282 return "The user is not allowed to log on at this time.";
1283 case NERR_PasswordExpired:
1284 return "The password of this user has expired.";
1285 case NERR_PasswordCantChange:
1286 return "The password of this user cannot change.";
1287 case NERR_PasswordHistConflict:
1288 return "This password cannot be used now.";
1289 case NERR_PasswordTooShort:
1290 return "The password does not meet the password policy requirements. Check the minimum password length, password complexity and password history requirements.";
1291 case NERR_PasswordTooRecent:
1292 return "The password of this user is too recent to change.";
1293 case NERR_InvalidDatabase:
1294 return "The security database is corrupted.";
1295 case NERR_DatabaseUpToDate:
1296 return "No updates are necessary to this replicant network/local security database.";
1297 case NERR_SyncRequired:
1298 return "This replicant database is outdated; synchronization is required.";
1299 case NERR_UseNotFound:
1300 return "The network connection could not be found.";
1301 case NERR_BadAsgType:
1302 return "This asg_type is invalid.";
1303 case NERR_DeviceIsShared:
1304 return "This device is currently being shared.";
1305 case NERR_NoComputerName:
1306 return "The computer name could not be added as a message alias. The name may already exist on the network.";
1307 case NERR_MsgAlreadyStarted:
1308 return "The Messenger service is already started.";
1309 case NERR_MsgInitFailed:
1310 return "The Messenger service failed to start.";
1311 case NERR_NameNotFound:
1312 return "The message alias could not be found on the network.";
1313 case NERR_AlreadyForwarded:
1314 return "This message alias has already been forwarded.";
1315 case NERR_AddForwarded:
1316 return "This message alias has been added but is still forwarded.";
1317 case NERR_AlreadyExists:
1318 return "This message alias already exists locally.";
1319 case NERR_TooManyNames:
1320 return "The maximum number of added message aliases has been exceeded.";
1321 case NERR_DelComputerName:
1322 return "The computer name could not be deleted.";
1323 case NERR_LocalForward:
1324 return "Messages cannot be forwarded back to the same workstation.";
1325 case NERR_GrpMsgProcessor:
1326 return "An error occurred in the domain message processor.";
1327 case NERR_PausedRemote:
1328 return "The message was sent, but the recipient has paused the Messenger service.";
1329 case NERR_BadReceive:
1330 return "The message was sent but not received.";
1331 case NERR_NameInUse:
1332 return "The message alias is currently in use. Try again later.";
1333 case NERR_MsgNotStarted:
1334 return "The Messenger service has not been started.";
1335 case NERR_NotLocalName:
1336 return "The name is not on the local computer.";
1337 case NERR_NoForwardName:
1338 return "The forwarded message alias could not be found on the network.";
1339 case NERR_RemoteFull:
1340 return "The message alias table on the remote station is full.";
1341 case NERR_NameNotForwarded:
1342 return "Messages for this alias are not currently being forwarded.";
1343 case NERR_TruncatedBroadcast:
1344 return "The broadcast message was truncated.";
1345 case NERR_InvalidDevice:
1346 return "This is an invalid device name.";
1347 case NERR_WriteFault:
1348 return "A write fault occurred.";
1349 case NERR_DuplicateName:
1350 return "A duplicate message alias exists on the network.";
1351 case NERR_DeleteLater:
1352 return "@W This message alias will be deleted later.";
1353 case NERR_IncompleteDel:
1354 return "The message alias was not successfully deleted from all networks.";
1355 case NERR_MultipleNets:
1356 return "This operation is not supported on computers with multiple networks.";
1357 case NERR_NetNameNotFound:
1358 return "This shared resource does not exist.";
1359 case NERR_DeviceNotShared:
1360 return "This device is not shared.";
1361 case NERR_ClientNameNotFound:
1362 return "A session does not exist with that computer name.";
1363 case NERR_FileIdNotFound:
1364 return "There is not an open file with that identification number.";
1365 case NERR_ExecFailure:
1366 return "A failure occurred when executing a remote administration command.";
1368 return "A failure occurred when opening a remote temporary file.";
1369 case NERR_TooMuchData:
1370 return "The data returned from a remote administration command has been truncated to 64K.";
1371 case NERR_DeviceShareConflict:
1372 return "This device cannot be shared as both a spooled and a non-spooled resource.";
1373 case NERR_BrowserTableIncomplete:
1374 return "The information in the list of servers may be incorrect.";
1375 case NERR_NotLocalDomain:
1376 return "The computer is not active in this domain.";
1377 #ifdef NERR_IsDfsShare
1379 case NERR_IsDfsShare:
1380 return "The share must be removed from the Distributed File System before it can be deleted.";
1383 case NERR_DevInvalidOpCode:
1384 return "The operation is invalid for this device.";
1385 case NERR_DevNotFound:
1386 return "This device cannot be shared.";
1387 case NERR_DevNotOpen:
1388 return "This device was not open.";
1389 case NERR_BadQueueDevString:
1390 return "This device name list is invalid.";
1391 case NERR_BadQueuePriority:
1392 return "The queue priority is invalid.";
1393 case NERR_NoCommDevs:
1394 return "There are no shared communication devices.";
1395 case NERR_QueueNotFound:
1396 return "The queue you specified does not exist.";
1397 case NERR_BadDevString:
1398 return "This list of devices is invalid.";
1400 return "The requested device is invalid.";
1401 case NERR_InUseBySpooler:
1402 return "This device is already in use by the spooler.";
1403 case NERR_CommDevInUse:
1404 return "This device is already in use as a communication device.";
1405 case NERR_InvalidComputer:
1406 return "This computer name is invalid.";
1407 case NERR_MaxLenExceeded:
1408 return "The string and prefix specified are too long.";
1409 case NERR_BadComponent:
1410 return "This path component is invalid.";
1412 return "Could not determine the type of input.";
1413 case NERR_TooManyEntries:
1414 return "The buffer for types is not big enough.";
1415 case NERR_ProfileFileTooBig:
1416 return "Profile files cannot exceed 64K.";
1417 case NERR_ProfileOffset:
1418 return "The start offset is out of range.";
1419 case NERR_ProfileCleanup:
1420 return "The system cannot delete current connections to network resources.";
1421 case NERR_ProfileUnknownCmd:
1422 return "The system was unable to parse the command line in this file.";
1423 case NERR_ProfileLoadErr:
1424 return "An error occurred while loading the profile file.";
1425 case NERR_ProfileSaveErr:
1426 return "@W Errors occurred while saving the profile file. The profile was partially saved.";
1427 case NERR_LogOverflow:
1428 return "Log file %1 is full.";
1429 case NERR_LogFileChanged:
1430 return "This log file has changed between reads.";
1431 case NERR_LogFileCorrupt:
1432 return "Log file %1 is corrupt.";
1433 case NERR_SourceIsDir:
1434 return "The source path cannot be a directory.";
1435 case NERR_BadSource:
1436 return "The source path is illegal.";
1438 return "The destination path is illegal.";
1439 case NERR_DifferentServers:
1440 return "The source and destination paths are on different servers.";
1441 case NERR_RunSrvPaused:
1442 return "The Run server you requested is paused.";
1443 case NERR_ErrCommRunSrv:
1444 return "An error occurred when communicating with a Run server.";
1445 case NERR_ErrorExecingGhost:
1446 return "An error occurred when starting a background process.";
1447 case NERR_ShareNotFound:
1448 return "The shared resource you are connected to could not be found.";
1449 case NERR_InvalidLana:
1450 return "The LAN adapter number is invalid.";
1451 case NERR_OpenFiles:
1452 return "There are open files on the connection.";
1453 case NERR_ActiveConns:
1454 return "Active connections still exist.";
1455 case NERR_BadPasswordCore:
1456 return "This share name or password is invalid.";
1458 return "The device is being accessed by an active process.";
1459 case NERR_LocalDrive:
1460 return "The drive letter is in use locally.";
1461 case NERR_AlertExists:
1462 return "The specified client is already registered for the specified event.";
1463 case NERR_TooManyAlerts:
1464 return "The alert table is full.";
1465 case NERR_NoSuchAlert:
1466 return "An invalid or nonexistent alert name was raised.";
1467 case NERR_BadRecipient:
1468 return "The alert recipient is invalid.";
1469 case NERR_AcctLimitExceeded:
1470 return "A user's session with this server has been deleted.";
1471 case NERR_InvalidLogSeek:
1472 return "The log file does not contain the requested record number.";
1473 case NERR_BadUasConfig:
1474 return "The user accounts database is not configured correctly.";
1475 case NERR_InvalidUASOp:
1476 return "This operation is not permitted when the Netlogon service is running.";
1477 case NERR_LastAdmin:
1478 return "This operation is not allowed on the last administrative account.";
1479 case NERR_DCNotFound:
1480 return "Could not find domain controller for this domain.";
1481 case NERR_LogonTrackingError:
1482 return "Could not set logon information for this user.";
1483 case NERR_NetlogonNotStarted:
1484 return "The Netlogon service has not been started.";
1485 case NERR_CanNotGrowUASFile:
1486 return "Unable to add to the user accounts database.";
1487 case NERR_TimeDiffAtDC:
1488 return "This server's clock is not synchronized with the primary domain controller's clock.";
1489 case NERR_PasswordMismatch:
1490 return "A password mismatch has been detected.";
1491 case NERR_NoSuchServer:
1492 return "The server identification does not specify a valid server.";
1493 case NERR_NoSuchSession:
1494 return "The session identification does not specify a valid session.";
1495 case NERR_NoSuchConnection:
1496 return "The connection identification does not specify a valid connection.";
1497 case NERR_TooManyServers:
1498 return "There is no space for another entry in the table of available servers.";
1499 case NERR_TooManySessions:
1500 return "The server has reached the maximum number of sessions it supports.";
1501 case NERR_TooManyConnections:
1502 return "The server has reached the maximum number of connections it supports.";
1503 case NERR_TooManyFiles:
1504 return "The server cannot open more files because it has reached its maximum number.";
1505 case NERR_NoAlternateServers:
1506 return "There are no alternate servers registered on this server.";
1507 case NERR_TryDownLevel:
1508 return "Try down-level (remote admin protocol) version of API instead.";
1509 case NERR_UPSDriverNotStarted:
1510 return "The UPS driver could not be accessed by the UPS service.";
1511 case NERR_UPSInvalidConfig:
1512 return "The UPS service is not configured correctly.";
1513 case NERR_UPSInvalidCommPort:
1514 return "The UPS service could not access the specified Comm Port.";
1515 case NERR_UPSSignalAsserted:
1516 return "The UPS indicated a line fail or low battery situation. Service not started.";
1517 case NERR_UPSShutdownFailed:
1518 return "The UPS service failed to perform a system shut down.";
1519 case NERR_BadDosRetCode:
1520 return "The program below returned an MS-DOS error code:";
1521 case NERR_ProgNeedsExtraMem:
1522 return "The program below needs more memory:";
1523 case NERR_BadDosFunction:
1524 return "The program below called an unsupported MS-DOS function:";
1525 case NERR_RemoteBootFailed:
1526 return "The workstation failed to boot.";
1527 case NERR_BadFileCheckSum:
1528 return "The file below is corrupt.";
1529 case NERR_NoRplBootSystem:
1530 return "No loader is specified in the boot-block definition file.";
1531 case NERR_RplLoadrNetBiosErr:
1532 return "NetBIOS returned an error: The NCB and SMB are dumped above.";
1533 case NERR_RplLoadrDiskErr:
1534 return "A disk I/O error occurred.";
1535 case NERR_ImageParamErr:
1536 return "Image parameter substitution failed.";
1537 case NERR_TooManyImageParams:
1538 return "Too many image parameters cross disk sector boundaries.";
1539 case NERR_NonDosFloppyUsed:
1540 return "The image was not generated from an MS-DOS diskette formatted with /S.";
1541 case NERR_RplBootRestart:
1542 return "Remote boot will be restarted later.";
1543 case NERR_RplSrvrCallFailed:
1544 return "The call to the Remoteboot server failed.";
1545 case NERR_CantConnectRplSrvr:
1546 return "Cannot connect to the Remoteboot server.";
1547 case NERR_CantOpenImageFile:
1548 return "Cannot open image file on the Remoteboot server.";
1549 case NERR_CallingRplSrvr:
1550 return "Connecting to the Remoteboot server...";
1551 case NERR_StartingRplBoot:
1552 return "Connecting to the Remoteboot server...";
1553 case NERR_RplBootServiceTerm:
1554 return "Remote boot service was stopped; check the error log for the cause of the problem.";
1555 case NERR_RplBootStartFailed:
1556 return "Remote boot startup failed; check the error log for the cause of the problem.";
1557 case NERR_RPL_CONNECTED:
1558 return "A second connection to a Remoteboot resource is not allowed.";
1559 case NERR_BrowserConfiguredToNotRun:
1560 return "The browser service was configured with MaintainServerList=No.";
1561 case NERR_RplNoAdaptersStarted:
1562 return "Service failed to start since none of the network adapters started with this service.";
1563 case NERR_RplBadRegistry:
1564 return "Service failed to start due to bad startup information in the registry.";
1565 case NERR_RplBadDatabase:
1566 return "Service failed to start because its database is absent or corrupt.";
1567 case NERR_RplRplfilesShare:
1568 return "Service failed to start because RPLFILES share is absent.";
1569 case NERR_RplNotRplServer:
1570 return "Service failed to start because RPLUSER group is absent.";
1571 case NERR_RplCannotEnum:
1572 return "Cannot enumerate service records.";
1573 case NERR_RplWkstaInfoCorrupted:
1574 return "Workstation record information has been corrupted.";
1575 case NERR_RplWkstaNotFound:
1576 return "Workstation record was not found.";
1577 case NERR_RplWkstaNameUnavailable:
1578 return "Workstation name is in use by some other workstation.";
1579 case NERR_RplProfileInfoCorrupted:
1580 return "Profile record information has been corrupted.";
1581 case NERR_RplProfileNotFound:
1582 return "Profile record was not found.";
1583 case NERR_RplProfileNameUnavailable:
1584 return "Profile name is in use by some other profile.";
1585 case NERR_RplProfileNotEmpty:
1586 return "There are workstations using this profile.";
1587 case NERR_RplConfigInfoCorrupted:
1588 return "Configuration record information has been corrupted.";
1589 case NERR_RplConfigNotFound:
1590 return "Configuration record was not found.";
1591 case NERR_RplAdapterInfoCorrupted:
1592 return "Adapter ID record information has been corrupted.";
1593 case NERR_RplInternal:
1594 return "An internal service error has occurred.";
1595 case NERR_RplVendorInfoCorrupted:
1596 return "Vendor ID record information has been corrupted.";
1597 case NERR_RplBootInfoCorrupted:
1598 return "Boot block record information has been corrupted.";
1599 case NERR_RplWkstaNeedsUserAcct:
1600 return "The user account for this workstation record is missing.";
1601 case NERR_RplNeedsRPLUSERAcct:
1602 return "The RPLUSER local group could not be found.";
1603 case NERR_RplBootNotFound:
1604 return "Boot block record was not found.";
1605 case NERR_RplIncompatibleProfile:
1606 return "Chosen profile is incompatible with this workstation.";
1607 case NERR_RplAdapterNameUnavailable:
1608 return "Chosen network adapter ID is in use by some other workstation.";
1609 case NERR_RplConfigNotEmpty:
1610 return "There are profiles using this configuration.";
1611 case NERR_RplBootInUse:
1612 return "There are workstations, profiles, or configurations using this boot block.";
1613 case NERR_RplBackupDatabase:
1614 return "Service failed to backup Remoteboot database.";
1615 case NERR_RplAdapterNotFound:
1616 return "Adapter record was not found.";
1617 case NERR_RplVendorNotFound:
1618 return "Vendor record was not found.";
1619 case NERR_RplVendorNameUnavailable:
1620 return "Vendor name is in use by some other vendor record.";
1621 case NERR_RplBootNameUnavailable:
1622 return "(boot name, vendor ID) is in use by some other boot block record.";
1623 case NERR_RplConfigNameUnavailable:
1624 return "Configuration name is in use by some other configuration.";
1625 case NERR_DfsInternalCorruption:
1626 return "The internal database maintained by the Dfs service is corrupt.";
1627 case NERR_DfsVolumeDataCorrupt:
1628 return "One of the records in the internal Dfs database is corrupt.";
1629 case NERR_DfsNoSuchVolume:
1630 return "There is no DFS name whose entry path matches the input Entry Path.";
1631 case NERR_DfsVolumeAlreadyExists:
1632 return "A root or link with the given name already exists.";
1633 case NERR_DfsAlreadyShared:
1634 return "The server share specified is already shared in the Dfs.";
1635 case NERR_DfsNoSuchShare:
1636 return "The indicated server share does not support the indicated DFS namespace.";
1637 case NERR_DfsNotALeafVolume:
1638 return "The operation is not valid on this portion of the namespace.";
1639 case NERR_DfsLeafVolume:
1640 return "The operation is not valid on this portion of the namespace.";
1641 case NERR_DfsVolumeHasMultipleServers:
1642 return "The operation is ambiguous because the link has multiple servers.";
1643 case NERR_DfsCantCreateJunctionPoint:
1644 return "Unable to create a link.";
1645 case NERR_DfsServerNotDfsAware:
1646 return "The server is not Dfs Aware.";
1647 case NERR_DfsBadRenamePath:
1648 return "The specified rename target path is invalid.";
1649 case NERR_DfsVolumeIsOffline:
1650 return "The specified DFS link is offline.";
1651 case NERR_DfsNoSuchServer:
1652 return "The specified server is not a server for this link.";
1653 case NERR_DfsCyclicalName:
1654 return "A cycle in the Dfs name was detected.";
1655 case NERR_DfsNotSupportedInServerDfs:
1656 return "The operation is not supported on a server-based Dfs.";
1657 case NERR_DfsDuplicateService:
1658 return "This link is already supported by the specified server-share.";
1659 case NERR_DfsCantRemoveLastServerShare:
1660 return "Can't remove the last server-share supporting this root or link.";
1661 case NERR_DfsVolumeIsInterDfs:
1662 return "The operation is not supported for an Inter-DFS link.";
1663 case NERR_DfsInconsistent:
1664 return "The internal state of the Dfs Service has become inconsistent.";
1665 case NERR_DfsServerUpgraded:
1666 return "The Dfs Service has been installed on the specified server.";
1667 case NERR_DfsDataIsIdentical:
1668 return "The Dfs data being reconciled is identical.";
1669 case NERR_DfsCantRemoveDfsRoot:
1670 return "The DFS root cannot be deleted. Uninstall DFS if required.";
1671 case NERR_DfsChildOrParentInDfs:
1672 return "A child or parent directory of the share is already in a Dfs.";
1673 case NERR_DfsInternalError:
1674 return "Dfs internal error.";
1675 /* the following are not defined in mingw */
1678 case NERR_SetupAlreadyJoined:
1679 return "This machine is already joined to a domain.";
1680 case NERR_SetupNotJoined:
1681 return "This machine is not currently joined to a domain.";
1682 case NERR_SetupDomainController:
1683 return "This machine is a domain controller and cannot be unjoined from a domain.";
1684 case NERR_DefaultJoinRequired:
1685 return "The destination domain controller does not support creating machine accounts in OUs.";
1686 case NERR_InvalidWorkgroupName:
1687 return "The specified workgroup name is invalid.";
1688 case NERR_NameUsesIncompatibleCodePage:
1689 return "The specified computer name is incompatible with the default language used on the domain controller.";
1690 case NERR_ComputerAccountNotFound:
1691 return "The specified computer account could not be found.";
1692 case NERR_PersonalSku:
1693 return "This version of Windows cannot be joined to a domain.";
1694 case NERR_PasswordMustChange:
1695 return "The password must change at the next logon.";
1696 case NERR_AccountLockedOut:
1697 return "The account is locked out.";
1698 case NERR_PasswordTooLong:
1699 return "The password is too long.";
1700 case NERR_PasswordNotComplexEnough:
1701 return "The password does not meet the complexity policy.";
1702 case NERR_PasswordFilterError:
1703 return "The password does not meet the requirements of the password filter DLLs.";
1707 msg = strerror (error_number);