105 lines
2.1 KiB
C++
105 lines
2.1 KiB
C++
/* fhandler_netdrive.cc: fhandler for // and //MACHINE handling
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Copyright 2005 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <windows.h>
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#include "winsup.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/cygwin.h>
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#include "cygerrno.h"
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#include "security.h"
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#include "path.h"
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#include "fhandler.h"
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#include "dtable.h"
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#include "cygheap.h"
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#include <assert.h>
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#include <shlwapi.h>
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/* Returns 0 if path doesn't exist, >0 if path is a directory,
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-1 if path is a file, -2 if it's a symlink. */
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int
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fhandler_netdrive::exists ()
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{
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char *to;
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const char *from;
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char namebuf[strlen (get_name ()) + 1];
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for (to = namebuf, from = get_name (); *from; to++, from++)
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*to = (*from == '/') ? '\\' : *from;
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*to = '\0';
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NETRESOURCE nr = {0};
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nr.dwScope = RESOURCE_GLOBALNET;
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nr.dwType = RESOURCETYPE_DISK;
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nr.lpLocalName = NULL;
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nr.lpRemoteName = namebuf;
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LPTSTR sys = NULL;
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char buf[8192];
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DWORD n = sizeof (buf);
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DWORD rc = WNetGetResourceInformation (&nr, &buf, &n, &sys);
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if (rc != ERROR_MORE_DATA && rc != NO_ERROR)
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return 0;
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return 1;
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}
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fhandler_netdrive::fhandler_netdrive ():
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fhandler_virtual ()
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{
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}
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int
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fhandler_netdrive::fstat (struct __stat64 *buf)
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{
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const char *path = get_name ();
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debug_printf ("fstat (%s)", path);
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(void) fhandler_base::fstat (buf);
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buf->st_mode = S_IFDIR | S_IXUSR | S_IXGRP | S_IXOTH;
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return 0;
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}
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struct dirent *
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fhandler_netdrive::readdir (DIR * dir)
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{
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return NULL;
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}
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int
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fhandler_netdrive::open (int flags, mode_t mode)
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{
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int res = fhandler_virtual::open (flags, mode);
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if (!res)
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goto out;
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nohandle (true);
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if ((flags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
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{
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set_errno (EEXIST);
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res = 0;
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goto out;
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}
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else if (flags & O_WRONLY)
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{
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set_errno (EISDIR);
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res = 0;
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goto out;
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}
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res = 1;
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set_flags ((flags & ~O_TEXT) | O_BINARY | O_DIROPEN);
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set_open_status ();
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out:
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syscall_printf ("%d = fhandler_netdrive::open (%p, %d)", res, flags, mode);
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return res;
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}
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