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("DAVolumeKind") )))
  68     {
  69         if (!CFStringCompare( ref, CFSTR("cd9660"), 0 ) ||
  70             !CFStringCompare( ref, CFSTR("udf"), 0 ))
  71             type = DEVICE_CDROM;
  72     }
  73
  74     TRACE( "got mount notification for '%s' on '%s' uuid %s\n",
  75            device, mount_point, wine_dbgstr_guid(guid_ptr) );
  76
  77     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAMediaRemovable") )) && CFBooleanGetValue( ref ))
  78         add_dos_device( -1, device, device, mount_point, type, guid_ptr );
  79     else
  80         if (guid_ptr) add_volume( device, device, mount_point, DEVICE_HARDDISK_VOL, guid_ptr );
  81
  82 done:
  83     CFRelease( dict );
  84 }
  85
  86 static void changed_callback( DADiskRef disk, CFArrayRef keys, void *context )
  87 {
  88     appeared_callback( disk, context );
  89 }
  90
  91 static void disappeared_callback( DADiskRef disk, void *context )
  92 {
  93     CFDictionaryRef dict = DADiskCopyDescription( disk );
  94     const void *ref;
  95     char device[100];
  96
  97     if (!dict) return;
  98
  99     /* get device name */
 100     if (!(ref = CFDictionaryGetValue( dict, CFSTR("DAMediaBSDName") ))) goto done;
 101     strcpy( device, "/dev/r" );
 102     CFStringGetCString( ref, device + 6, sizeof(device) - 6, kCFStringEncodingASCII );
 103
 104     TRACE( "got unmount notification for '%s'\n", device );
 105
 106     if ((ref = CFDictionaryGetValue( dict, CFSTR("DAMediaRemovable") )) && CFBooleanGetValue( ref ))
 107         remove_dos_device( -1, device );
 108     else
 109         remove_volume( device );
 110
 111 done:
 112     CFRelease( dict );
 113 }
 114
 115 static DWORD WINAPI runloop_thread( void *arg )
 116 {
 117     DASessionRef session = DASessionCreate( NULL );
 118
 119     if (!session) return 1;
 120
 121     DASessionScheduleWithRunLoop( session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
 122     DARegisterDiskAppearedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 123                                     appeared_callback, NULL );
 124     DARegisterDiskDisappearedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 125                                        disappeared_callback, NULL );
 126     DARegisterDiskDescriptionChangedCallback( session, kDADiskDescriptionMatchVolumeMountable,
 127                                               kDADiskDescriptionWatchVolumePath, changed_callback, NULL );
 128     CFRunLoopRun();
 129     DASessionUnscheduleFromRunLoop( session, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode );
 130     CFRelease( session );
 131     return 0;
 132 }
 133
 134 void initialize_diskarbitration(void)
 135 {
 136     HANDLE handle;
 137
 138     if (!(handle = CreateThread( NULL, 0, runloop_thread, NULL, 0, NULL ))) return;
 139     CloseHandle( handle );
 140 }
 141
 142 #else  /*  HAVE_DISKARBITRATION_DISKARBITRATION_H */
 143
 144 void initialize_diskarbitration(void)
 145 {
 146     TRACE( "Skipping, Disk Arbitration support not compiled in\n" );
 147 }
 148
 149 #endif  /* HAVE_DISKARBITRATION_DISKARBITRATION_H */