dlls/mountmgr.sys/diskarb.c

   1 /*
   2  * Devices support using the MacOS Disk Arbitration library.
   3  *
   4  * Copyright 2006 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <assert.h>
  25 #include <errno.h>
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28 #include <sys/time.h>
  29
  30 #include "mountmgr.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(mountmgr);
  34
  35 #ifdef HAVE_DISKARBITRATION_DISKARBITRATION_H
  36
  37 #include <DiskArbitration/DiskArbitration.h>
  38
  39 static void appeared_callback( DADiskRef disk, void *context )
  40 {
  41     CFDictionaryRef dict = DADiskCopyDescription( disk );
  42     const void *ref;
  43     char device[64];
  44     char mount_point[PATH_MAX];
  45     GUID guid, *guid_ptr = NULL;
  46     enum device_type type = DEVICE_UNKNOWN;
  47
  48     if (!dict) return;
  49
  50     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAVolumeUUID") )))
  51     {
  52         CFUUIDBytes bytes = CFUUIDGetUUIDBytes( ref );
  53         memcpy( &guid, &bytes, sizeof(guid) );
  54         guid_ptr = &guid;
  55     }
  56
  57     /* get device name */
  58     if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaBSDName") ))) goto done;
  59     strcpy( device, "/dev/r" );
  60     CFStringGetCString( ref, device + 6, sizeof(device) - 6, kCFStringEncodingASCII );
  61
  62     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAVolumePath") )))
  63         CFURLGetFileSystemRepresentation( ref, true, (UInt8 *)mount_point, sizeof(mount_point) );
  64     else
  65         mount_point[0] = 0;
  66
  67     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAMediaKind") )))
  68     {
  69         if (!CFStringCompare( ref, CFSTR("IOCDMedia"), 0 ))
  70             type = DEVICE_CDROM;
  71         if (!CFStringCompare( ref, CFSTR("IODVDMedia"), 0 ) ||
  72             !CFStringCompare( ref, CFSTR("IOBDMedia"), 0 ))
  73             type = DEVICE_DVD;
  74         if (!CFStringCompare( ref, CFSTR("IOMedia"), 0 ))
  75             type = DEVICE_HARDDISK;
  76     }
  77
  78     TRACE( "got mount notification for '%s' on '%s' uuid %s\n",
  79            device, mount_point, wine_dbgstr_guid(guid_ptr) );
  80
  81     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAMediaRemovable") )) && CFBooleanGetValue( ref ))
  82         add_dos_device( -1, device, device, mount_point, type, guid_ptr );
  83     else
  84         if (guid_ptr) add_volume( device, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr );
  85
  86 done:
  87     CFRelease( dict );
  88 }
  89
  90 static void changed_callback( DADiskRef disk, CFArrayRef keys, void *context )
  91 {
  92     appeared_callback( disk, context );
  93 }
  94
  95 static void disappeared_callback( DADiskRef disk, void *context )
  96 {
  97     CFDictionaryRef dict = DADiskCopyDescription( disk );
  98     const void *ref;
  99     char device[100];
 100
 101     if (!dict) return;
 102
 103     /* get device name */
 104     if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaBSDName") ))) goto done;
 105     strcpy( device, "/dev/r" );
 106     CFStringGetCString( ref, device + 6, sizeof(device) - 6, kCFStringEncodingASCII );
 107
 108     TRACE( "got unmount notification for '%s'\n", device );
 109
 110     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAMediaRemovable") )) && CFBooleanGetValue( ref ))
 111         remove_dos_device( -1, device );
 112     else
 113         remove_volume( device );
 114
 115 done:
 116     CFRelease( dict );
 117 }
 118
 119 static DWORD WINAPI runloop_thread( void *arg )
 120 {
 121     DASessionRef session = DASessionCreate( NULL );
 122
 123     if (!session) return 1;
 124
 125     DASessionScheduleWithRunLoop( session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
 126     DARegisterDiskAppearedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 127                                     appeared_callback, NULL );
 128     DARegisterDiskDisappearedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 129                                        disappeared_callback, NULL );
 130     DARegisterDiskDescriptionChangedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 131                                               kDADiskDescriptionWatchVolumePath, changed_callback, NULL );
 132     CFRunLoopRun();
 133     DASessionUnscheduleFromRunLoop( session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
 134     CFRelease( session );
 135     return 0;
 136 }
 137
 138 void initialize_diskarbitration(void)
 139 {
 140     HANDLE handle;
 141
 142     if (!(handle = CreateThread( NULL, 0, runloop_thread, NULL, 0, NULL ))) return;
 143     CloseHandle( handle );
 144 }
 145
 146 #else  /*  HAVE_DISKARBITRATION_DISKARBITRATION_H */
 147
 148 void initialize_diskarbitration(void)
 149 {
 150     TRACE( "Skipping, Disk Arbitration support not compiled in\n" );
 151 }
 152
 153 #endif  /* HAVE_DISKARBITRATION_DISKARBITRATION_H */