/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.0 (the 'License'). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License." * * @APPLE_LICENSE_HEADER_END@ */ #include #include #include #include #include #include #include #include #include #include "ClientToServer.h" #include "ServerToClient_server.h" /* -- DWARNING */ #ifndef DEBUG #define DEBUG 0 #endif #if DEBUG #define dwarning(args) printf args #else #define dwarning(args) #endif /* -- Private Globals */ static mach_port_t gDiskArbSndPort = MACH_PORT_NULL; static mach_port_t gDiskArbRcvPort = MACH_PORT_NULL; CFMutableDictionaryRef gDiskArbitration_CallbackHandlers = NULL; int gDiskArbitration_ClientFlags = kDiskArbNotifyNone; CFArrayRef DiskArbCallbackHandlersForCallback(int callbackType) { CFNumberRef numberForType = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &callbackType); CFArrayRef array = nil; if (!gDiskArbitration_CallbackHandlers) { CFRelease(numberForType); return array; } if (CFDictionaryContainsKey(gDiskArbitration_CallbackHandlers, numberForType)) { array = CFDictionaryGetValue(gDiskArbitration_CallbackHandlers, numberForType); } CFRelease(numberForType); return array; } /* flags generation */ boolean_t updateClientFlags(void) { int flags = kDiskArbNotifyNone; if ( DiskArbCallbackHandlersForCallback(kDA_DISK_APPEARED_WITHOUT_MT) != NULL ) flags |= kDiskArbNotifyDiskAppearedWithoutMountpoint; if ( DiskArbCallbackHandlersForCallback(kDA_DISK_APPEARED_WITH_MT) != NULL ) flags |= kDiskArbNotifyDiskAppearedWithMountpoint; if ( DiskArbCallbackHandlersForCallback(kDA_DISK_APPEARED1) != NULL ) flags |= kDiskArbNotifyDiskAppeared; if ( DiskArbCallbackHandlersForCallback(kDA_DISK_APPEARED) != NULL ) flags |= kDiskArbNotifyDiskAppeared2; if ( DiskArbCallbackHandlersForCallback(kDA_DISK_UNMOUNT) != NULL ) flags |= kDiskArbNotifyUnmount; if ( DiskArbCallbackHandlersForCallback(kDA_DISK_UNMOUNT_PRE_NOTIFY) != NULL || DiskArbCallbackHandlersForCallback(kDA_DISK_UNMOUNT_POST_NOTIFY) != NULL || DiskArbCallbackHandlersForCallback(kDA_DISK_EJECT_PRE_NOTIFY) != NULL || DiskArbCallbackHandlersForCallback(kDA_DISK_EJECT_POST_NOTIFY) != NULL ) { if ( DiskArbCallbackHandlersForCallback(kDA_DISK_UNMOUNT_PRE_NOTIFY) != NULL && DiskArbCallbackHandlersForCallback(kDA_DISK_UNMOUNT_POST_NOTIFY) != NULL && DiskArbCallbackHandlersForCallback(kDA_DISK_EJECT_PRE_NOTIFY) != NULL && DiskArbCallbackHandlersForCallback(kDA_DISK_EJECT_POST_NOTIFY) != NULL ) { flags |= kDiskArbNotifyAsync; } else { // printf("DiskArbStart: Disk Arbitration: All Async Clients Must Register For All Async messages!\n"); return FALSE; } } if ( DiskArbCallbackHandlersForCallback(kDA_BLUE_BOX_UPDATED) != NULL ) flags |= kDiskArbNotifyBlueBoxBootVolumeUpdated; if ( DiskArbCallbackHandlersForCallback(kDA_NOTIFICATIONS_COMPLETE) != NULL ) flags |= kDiskArbNotifyCompleted; if ( DiskArbCallbackHandlersForCallback(kDA_DISK_CHANGED) != NULL ) flags |= kDiskArbNotifyChangedDisks; if ( DiskArbCallbackHandlersForCallback(kDA_DISK_WILL_BE_CHECKED) != NULL ) flags |= kDiskArbNotifyDiskWillBeChecked; if ( DiskArbCallbackHandlersForCallback(kDA_CALL_FAILED) != NULL ) flags |= kDiskArbNotifyCallFailed; if ( DiskArbCallbackHandlersForCallback(kDA_CLIENT_WILL_HANDLE_UNRECOGNIZED_DISK) != NULL ) flags |= kDiskArbArbitrateUnrecognizedVolumes; if ( DiskArbCallbackHandlersForCallback(kDA_UNKNOWN_DISK_APPEARED) != NULL ) flags |= kDiskArbNotifyUnrecognizedVolumes; if (flags != gDiskArbitration_ClientFlags) { gDiskArbitration_ClientFlags = flags; return TRUE; } return FALSE; } /* -- Callback registration */ void DiskArbAddCallbackHandler(int callbackType, void * callback, int overwrite) { CFNumberRef numberForType = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &callbackType); if (!gDiskArbitration_CallbackHandlers) { gDiskArbitration_CallbackHandlers = CFDictionaryCreateMutable(NULL,0,&kCFTypeDictionaryKeyCallBacks,&kCFTypeDictionaryValueCallBacks); } if (!callback) { CFRelease(numberForType); return; } if (CFDictionaryContainsKey(gDiskArbitration_CallbackHandlers, numberForType)) { if (overwrite) { CFMutableArrayRef callbackArray = CFArrayCreateMutable(NULL, 0, NULL); CFArrayAppendValue(callbackArray, callback); CFDictionaryReplaceValue(gDiskArbitration_CallbackHandlers, numberForType, callbackArray); } else { CFMutableArrayRef callbackArray = CFDictionaryGetValue(gDiskArbitration_CallbackHandlers, numberForType); DiskArbRemoveCallbackHandler(callbackType, callback); // remove any old callbacks with the exact same signature so we don't end up with duplicates CFArrayAppendValue(callbackArray, callback); } } else { CFMutableArrayRef callbackArray = CFArrayCreateMutable(NULL, 0, NULL); CFArrayAppendValue(callbackArray, callback); CFDictionaryAddValue(gDiskArbitration_CallbackHandlers, numberForType, callbackArray); } if (updateClientFlags()) { /* send an rpc updating the client flags */ } CFRelease(numberForType); return; } void DiskArbRemoveCallbackHandler(int callbackType, void * callback) { CFNumberRef numberForType = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &callbackType); if (!gDiskArbitration_CallbackHandlers) { CFRelease(numberForType); return; } if (CFDictionaryContainsKey(gDiskArbitration_CallbackHandlers, numberForType)) { CFMutableArrayRef callbackArray = CFDictionaryGetValue(gDiskArbitration_CallbackHandlers, numberForType); CFIndex index = CFArrayGetFirstIndexOfValue(callbackArray, CFRangeMake(0, CFArrayGetCount(callbackArray)), callback); while (index >= 0) { CFArrayRemoveValueAtIndex(callbackArray, index); index = CFArrayGetFirstIndexOfValue(callbackArray, CFRangeMake(0, CFArrayGetCount(callbackArray)), callback); } } CFRelease(numberForType); return; } void DiskArbRegisterCallback_DiskAppearedWithMountpoint( DiskArbCallback_DiskAppearedWithMountpoint_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_APPEARED_WITH_MT, callback, 0); } void DiskArbRegisterCallback_DiskAppearedWithoutMountpoint( DiskArbCallback_DiskAppearedWithoutMountpoint_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_APPEARED_WITHOUT_MT, callback, 0); } void DiskArbRegisterCallback_DiskAppeared( DiskArbCallback_DiskAppeared_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_APPEARED1, callback, 0); } void DiskArbRegisterCallback_DiskAppeared2( DiskArbCallback_DiskAppeared2_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_APPEARED, callback, 0); } void DiskArbRegisterCallback_UnmountNotification( DiskArbCallback_UnmountNotification_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_UNMOUNT, callback, 0); } void DiskArbRegisterCallback_UnmountPreNotification( DiskArbCallback_UnmountPreNotification_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_UNMOUNT_PRE_NOTIFY, callback, 1); } void DiskArbRegisterCallback_UnmountPostNotification( DiskArbCallback_UnmountPostNotification_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_UNMOUNT_POST_NOTIFY, callback, 0); } void DiskArbRegisterCallback_EjectPreNotification( DiskArbCallback_EjectPreNotification_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_EJECT_PRE_NOTIFY, callback, 1); } void DiskArbRegisterCallback_EjectPostNotification( DiskArbCallback_EjectPostNotification_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_EJECT_POST_NOTIFY, callback, 0); } void DiskArbRegisterCallback_ClientDisconnectedNotification( DiskArbCallback_ClientDisconnectedNotification_t callback ) { DiskArbAddCallbackHandler(kDA_CLIENT_DISCONNECTED, callback, 0); } void DiskArbRegisterCallback_BlueBoxBootVolumeUpdated( DiskArbCallback_BlueBoxBootVolumeUpdated_t callback ) { DiskArbAddCallbackHandler(kDA_BLUE_BOX_UPDATED, callback, 0); } void DiskArbRegisterCallback_DiskChangedNotification( DiskArbCallback_DiskChangedNotification_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_CHANGED, callback, 0); } void DiskArbRegisterCallback_DiskWillBeCheckedNotification( DiskArbCallback_DiskWillBeCheckedNotification_t callback ) { DiskArbAddCallbackHandler(kDA_DISK_WILL_BE_CHECKED, callback, 0); } void DiskArbRegisterCallback_CallFailedNotification( DiskArbCallback_CallFailedNotification_t callback ) { DiskArbAddCallbackHandler(kDA_CALL_FAILED, callback, 0); } void DiskArbRegisterCallback_NotificationComplete( DiskArbCallback_NotificationComplete_t callback ) { DiskArbAddCallbackHandler(kDA_NOTIFICATIONS_COMPLETE, callback, 0); } void DiskArbRegisterCallback_Printer_FinalRequest( DiskArbCallback_Printer_FinalRequest_t callback ) { DiskArbAddCallbackHandler(kDA_PRINTER_FINAL_REQUEST, callback, 0); } void DiskArbRegisterCallback_Printer_FinalResponse( DiskArbCallback_Printer_FinalResponse_t callback ) { DiskArbAddCallbackHandler(kDA_PRINTER_FINAL_RESPONSE, callback, 0); } void DiskArbRegisterCallback_Printer_FinalRelease( DiskArbCallback_Printer_FinalRelease_t callback ) { DiskArbAddCallbackHandler(kDA_PRINTER_FINAL_RELEASE, callback, 0); } void DiskArbRegisterCallback_Will_Client_Release( DiskArbCallback_Will_Client_Release_t callback ) { DiskArbAddCallbackHandler(kDA_WILL_CLIENT_RELEASE_DEVICE, callback, 0); } void DiskArbRegisterCallback_Device_Reservation_Status( DiskArbCallback_Device_Reservation_Status_t callback ) { DiskArbAddCallbackHandler(kDA_DEVICE_RESERVATION_STATUS, callback, 0); } void DiskArbRegisterCallback_UnknownFileSystemNotification( DiskArbCallback_UnknownFileSystemNotification_t callback ) { DiskArbAddCallbackHandler(kDA_UNKNOWN_DISK_APPEARED, callback, 0); } /* -- Public Message handler */ boolean_t DiskArbHandleMsg( mach_msg_header_t *InHeadP, mach_msg_header_t *OutHeadP) { return ServerToClient_server( InHeadP, OutHeadP ); } /* -- Client -> Server */ kern_return_t DiskArbRegister( mach_port_t server, mach_port_t client, unsigned flags) { gDiskArbRcvPort = client; return DiskArbRegister_rpc( server, client, flags ); } kern_return_t DiskArbDeregister( mach_port_t server, mach_port_t client) { return DiskArbDeregister_rpc( server, client ); } kern_return_t DiskArbDiskAppearedWithMountpointPing( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags, DiskArbMountpoint mountpoint) { return DiskArbDiskAppearedWithMountpointPing_rpc( server, diskIdentifier, flags, mountpoint ); } kern_return_t DiskArbDiskDisappearedPing( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags) { return DiskArbDiskDisappearedPing_rpc( server, diskIdentifier, flags ); } kern_return_t DiskArbRequestMount( mach_port_t server, DiskArbDiskIdentifier diskIdentifier) { return DiskArbRequestMount_rpc( server, diskIdentifier, FALSE ); } kern_return_t DiskArbRequestMountAndOwn( mach_port_t server, DiskArbDiskIdentifier diskIdentifier) { return DiskArbRequestMount_rpc( server, diskIdentifier, TRUE ); } kern_return_t DiskArbRefresh( mach_port_t server) { return DiskArbRefresh_rpc( server ); } kern_return_t DiskArbRegisterWithPID( mach_port_t server, mach_port_t client, unsigned flags) { gDiskArbRcvPort = client; return DiskArbRegisterWithPID_rpc( server, client, getpid(), flags ); } /* -- Server -> Client */ /******************************************* DiskArbDiskAppearedWithoutMountpoint_rpc *******************************************/ kern_return_t DiskArbDiskAppearedWithoutMountpoint_rpc ( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_APPEARED_WITHOUT_MT); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_DiskAppearedWithoutMountpoint_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, flags ); } } Return: return err; } // DiskArbDiskAppearedWithoutMountpoint_rpc /******************************************* DiskArbDiskAppearedWithMountpoint_rpc *****************************/ kern_return_t DiskArbDiskAppearedWithMountpoint_rpc ( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags, DiskArbMountpoint mountpoint) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_APPEARED_WITH_MT); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_DiskAppearedWithMountpoint_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, flags, mountpoint ); } } Return: return err; } // DiskArbDiskAppearedWithMountpoint_rpc /******************************************* DiskArbDiskAppeared_rpc *****************************/ kern_return_t DiskArbDiskAppeared_rpc ( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags, DiskArbMountpoint mountpoint, DiskArbIOContent ioContent) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_APPEARED1); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_DiskAppeared_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, flags, mountpoint, ioContent ); } } Return: return err; } // DiskArbDiskAppeared_rpc /******************************************* DiskArbDiskAppeared2_rpc *****************************/ kern_return_t DiskArbDiskAppeared2_rpc ( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags, DiskArbMountpoint mountpoint, DiskArbIOContent ioContent, DiskArbDeviceTreePath deviceTreePath, unsigned sequenceNumber) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_APPEARED); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_DiskAppeared2_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, flags, mountpoint, ioContent, deviceTreePath, sequenceNumber ); } } Return: return err; } // DiskArbDiskAppeared2_rpc /******************************************* DiskArbUnmountNotification_rpc *****************************/ kern_return_t DiskArbUnmountNotification_rpc( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, int pastOrFuture, int willEject) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_UNMOUNT); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_UnmountNotification_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, pastOrFuture, willEject ); } } Return: return err; } // DiskArbUnmountNotification_rpc /* -- Server -> Client (Async) */ /******************************************* DiskArbUnmountPreNotify_async_rpc *****************************/ kern_return_t DiskArbUnmountPreNotify_async_rpc( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_UNMOUNT_PRE_NOTIFY); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_UnmountPreNotification_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, flags ); } } Return: return err; } // DiskArbUnmountPreNotify_async_rpc /******************************************* DiskArbUnmountPostNotify_async_rpc *****************************/ kern_return_t DiskArbUnmountPostNotify_async_rpc( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, int errorCode, int dissenter) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_UNMOUNT_POST_NOTIFY); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_UnmountPostNotification_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, errorCode, dissenter ); } } Return: return err; } // DiskArbUnmountPostNotify_async_rpc /******************************************* DiskArbEjectPreNotify_async_rpc *****************************/ kern_return_t DiskArbEjectPreNotify_async_rpc( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_EJECT_PRE_NOTIFY); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_EjectPreNotification_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, flags ); } } Return: return err; } // DiskArbEjectPreNotify_async_rpc /******************************************* DiskArbEjectPostNotify_async_rpc *****************************/ kern_return_t DiskArbEjectPostNotify_async_rpc( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, int errorCode, int dissenter) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_EJECT_POST_NOTIFY); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_EjectPostNotification_t) CFArrayGetValueAtIndex(callbacks,i) )( diskIdentifier, errorCode, dissenter ); } } Return: return err; } // DiskArbEjectPostNotify_async_rpc /******************************************* DiskArbClientDisconnected_rpc *****************************/ kern_return_t DiskArbClientDisconnected_rpc( mach_port_t server) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_CLIENT_DISCONNECTED); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_ClientDisconnectedNotification_t) CFArrayGetValueAtIndex(callbacks,i) )(); } } Return: return err; } // DiskArbClientDisconnected_rpc /******************************************* DiskArbBlueBoxBootVolumeUpdated_async_rpc *****************************/ kern_return_t DiskArbBlueBoxBootVolumeUpdated_async_rpc( mach_port_t server, int seqno) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_BLUE_BOX_UPDATED); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_BlueBoxBootVolumeUpdated_t) CFArrayGetValueAtIndex(callbacks,i) )( seqno ); } } Return: return err; } // DiskArbBlueBoxBootVolumeUpdated_async_rpc /******************************************* DiskArbDiskChanged_rpc *****************************/ kern_return_t DiskArbDiskChanged_rpc( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, DiskArbMountpoint newMountPoint, DiskArbMountpoint newVolumeName, unsigned flags, int success) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_CHANGED); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_DiskChangedNotification_t) CFArrayGetValueAtIndex(callbacks,i) )(diskIdentifier, newMountPoint, newVolumeName, flags, success); } } Return: return err; } // DiskArbDiskChanged_rpc /******************************************* DiskArbDiskWillBeChecked_rpc *****************************/ kern_return_t DiskArbDiskWillBeChecked_rpc( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, unsigned flags, DiskArbIOContent content) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DISK_WILL_BE_CHECKED); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_DiskWillBeCheckedNotification_t) CFArrayGetValueAtIndex(callbacks,i) )(diskIdentifier, flags, content); } } Return: return err; } // DiskArbDiskWillBeChecked_rpc /******************************************* DiskArbPreviousCallFailed_rpc *****************************/ kern_return_t DiskArbPreviousCallFailed_rpc( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, int failedCallType, int error) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_CALL_FAILED); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_CallFailedNotification_t) CFArrayGetValueAtIndex(callbacks,i) )(diskIdentifier, failedCallType, error); } } Return: return err; } // DiskArbPreviousCallFailed_rpc /******************************************* DiskArbNotificationComplete_rpc *****************************/ kern_return_t DiskArbNotificationComplete_rpc( mach_port_t server, int messageType) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_NOTIFICATIONS_COMPLETE); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_NotificationComplete_t) CFArrayGetValueAtIndex(callbacks,i) )(messageType); } } Return: return err; } // DiskArbNotificationComplete_rpc /******************************************* DiskArbNotificationComplete_rpc *****************************/ kern_return_t DiskArbRegistrationComplete_rpc( mach_port_t server) { kern_return_t err = 0; #warning NOT CURRENTLY DOING A THING!!!! dwarning(("%s\n", __FUNCTION__)); return err; } // DiskArbRegistrationComplete_rpc /* -- Printer Arbitration */ kern_return_t DiskArbPrinter_FinalRequest_rpc ( mach_port_t server, int pid, int locationID) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_PRINTER_FINAL_REQUEST); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_Printer_FinalRequest_t) CFArrayGetValueAtIndex(callbacks,i) )(pid, locationID); } } Return: return err; } kern_return_t DiskArbPrinter_FinalResponse_rpc ( mach_port_t server, int locationID, int answer) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_PRINTER_FINAL_RESPONSE); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_Printer_FinalResponse_t) CFArrayGetValueAtIndex(callbacks,i) )(locationID, answer); } } Return: return err; } kern_return_t DiskArbPrinter_FinalRelease_rpc ( mach_port_t server, int locationID) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_PRINTER_FINAL_RELEASE); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_Printer_FinalRelease_t) CFArrayGetValueAtIndex(callbacks,i) )(locationID); } } Return: return err; } kern_return_t DiskArbWillClientRelinquish_rpc ( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, int releaseToClientPid) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_WILL_CLIENT_RELEASE_DEVICE); //printf("Will I %d release %s to %d?\n", getpid() , diskIdentifier, releaseToClientPid); if ( NULL == callbacks) { //printf("Nope - I won't give it up\n"); DiskArbClientRelinquishesReservation ( diskIdentifier, releaseToClientPid, 0); // nope - they aren't responding, they still want it. goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_Will_Client_Release_t) CFArrayGetValueAtIndex(callbacks,i) )(diskIdentifier, releaseToClientPid); } } Return: return err; } kern_return_t DiskArbDeviceReservationStatus_rpc ( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, int status, int pid) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_DEVICE_RESERVATION_STATUS); //printf("%d, Status on %s is %d by pid %d\n", getpid(), diskIdentifier, status, pid); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_Device_Reservation_Status_t) CFArrayGetValueAtIndex(callbacks,i) )(diskIdentifier, status, pid); } } Return: return err; } kern_return_t DiskArbWillClientHandleUnrecognizedDisk_rpc ( mach_port_t server, DiskArbDiskIdentifier diskIdentifier, int diskType, char * fsType, char * deviceType, int isWritable, int isRemovable, int isWhole) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_CLIENT_WILL_HANDLE_UNRECOGNIZED_DISK); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_Will_Client_Handle_Unrecognized_Disk_t) CFArrayGetValueAtIndex(callbacks,i) )(diskIdentifier, diskType, fsType, deviceType, isWritable, isRemovable, isWhole); } } Return: return err; } /******************************************* DiskArbUnknownFileSystemInserted_rpc *****************************/ kern_return_t DiskArbUnknownFileSystemInserted_rpc( mach_port_t server, char * diskIdentifier, char * fsType, char * deviceType, int isWritable, int isRemovable, int isWhole) { kern_return_t err = 0; CFArrayRef callbacks = DiskArbCallbackHandlersForCallback(kDA_UNKNOWN_DISK_APPEARED); if ( NULL == callbacks) { goto Return; } else { int i; for (i=0; i < CFArrayGetCount(callbacks);i++) { ( (DiskArbCallback_UnknownFileSystemNotification_t) CFArrayGetValueAtIndex(callbacks,i) )(diskIdentifier, fsType, deviceType, isWritable, isRemovable, isWhole); } } Return: return err; } // DiskArbUnknownFileSystemInserted_rpc /* -- Higher-level routines */ /* -- DiskArbStart() -- Before calling this, register any desired callbacks. -- Output is a receive right for a port. A send right for that port has been passed via -- a message to the server. Messages from the server to this client will be sent on that -- port and should be handled via the public routine DiskArbHandleMsg(). -- Also returns an error code. */ kern_return_t DiskArbStart(mach_port_t * portPtr) { kern_return_t result; static mach_port_t pre_registered_port = 0x0; // Obtain a send right for the DiskArbitration server's public port via the bootstrap server result = bootstrap_look_up( bootstrap_port, DISKARB_SERVER_NAME, & gDiskArbSndPort ); if ( result ) { dwarning(("%s(): {%s:%d} bootstrap_look_up() failed: $%x\n", __FUNCTION__, __FILE__, __LINE__, (int)result)); goto Return; } dwarning(("%s(): gDiskArbSndPort = %d\n", __FUNCTION__, (int)gDiskArbSndPort)); // Allocate gDiskArbRcvPort with a receive right. DiskArbRegister() will create a send right. if (!pre_registered_port) { result = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, portPtr); if ( result != KERN_SUCCESS) { dwarning(("%s(): (%s:%d) mach_port_allocate failed: $%x: %s\n", __FUNCTION__, __FILE__, __LINE__, result, mach_error_string(result))); goto Return; } } else { * portPtr = pre_registered_port; } dwarning(("%s(): port = $%x\n", __FUNCTION__, (int)*portPtr)); // Create the flags word based on the registered callbacks. // it's a global updateClientFlags(); dwarning(("%s(): flags = %08x\n", __FUNCTION__, gDiskArbitration_ClientFlags)); // Register with the DiskArbitration server if (!pre_registered_port) { result = DiskArbRegisterWithPID_auto( *portPtr, gDiskArbitration_ClientFlags); DiskArbMsgLoopWithTimeout(5000); if ( result ) { dwarning(("%s(): {%s:%d} DiskArbRegister(sendPort=$%08x, *portPtr=$%08x, flags=$%08x) failed: $%x\n", __FUNCTION__, __FILE__, __LINE__, gDiskArbSndPort, *portPtr, gDiskArbitration_ClientFlags, (int)result)); goto Return; } } pre_registered_port = *portPtr; Return: return result; } // DiskArbStart /* -- DiskArbInit() -- Clients that don't register any callbacks should use DiskArbInit() instead of DiskArbStart(). -- Returns an error code. */ kern_return_t DiskArbInit(void) { kern_return_t result; if ( gDiskArbSndPort != MACH_PORT_NULL ) { result = 0; goto Return; } // Obtain a send right for the DiskArbitration server's public port via the bootstrap server result = bootstrap_look_up( bootstrap_port, DISKARB_SERVER_NAME, & gDiskArbSndPort ); if ( result ) { dwarning(("%s(): {%s:%d} bootstrap_look_up() failed: $%x\n", __FUNCTION__, __FILE__, __LINE__, (int)result)); goto Return; } dwarning(("%s(): gDiskArbSndPort = %d\n", __FUNCTION__, (int)gDiskArbSndPort)); Return: return result; } // DiskArbInit /* -- "automagic" versions of Client -> Server */ kern_return_t DiskArbRegister_auto( mach_port_t client, unsigned flags) { gDiskArbRcvPort = client; return DiskArbRegister_rpc( gDiskArbSndPort, client, flags ); } kern_return_t DiskArbDeregister_auto( mach_port_t client) { return DiskArbDeregister_rpc( gDiskArbSndPort, client ); } kern_return_t DiskArbDiskAppearedWithMountpointPing_auto( DiskArbDiskIdentifier diskIdentifier, unsigned flags, DiskArbMountpoint mountpoint) { SetSecure(); return DiskArbDiskAppearedWithMountpointPing_rpc( gDiskArbSndPort, diskIdentifier, flags, mountpoint ); } kern_return_t DiskArbDiskDisappearedPing_auto( DiskArbDiskIdentifier diskIdentifier, unsigned flags) { SetSecure(); return DiskArbDiskDisappearedPing_rpc( gDiskArbSndPort, diskIdentifier, flags ); } kern_return_t DiskArbRequestMount_auto( DiskArbDiskIdentifier diskIdentifier) { SetSecure(); return DiskArbRequestMount_rpc( gDiskArbSndPort, diskIdentifier, FALSE ); } kern_return_t DiskArbRequestMountAndOwn_auto( DiskArbDiskIdentifier diskIdentifier) { SetSecure(); return DiskArbRequestMount_rpc( gDiskArbSndPort, diskIdentifier, TRUE ); } kern_return_t DiskArbRefresh_auto() { return DiskArbRefresh_rpc( gDiskArbSndPort ); } kern_return_t DiskArbRegisterWithPID_auto( mach_port_t client, unsigned flags) { gDiskArbRcvPort = client; return DiskArbRegisterWithPID_rpc( gDiskArbSndPort, client, getpid(), flags ); } kern_return_t DiskArbUpdateClientWithPID_auto( unsigned flags) { return DiskArbUpdateClientWithPID_rpc( gDiskArbSndPort, getpid(), flags ); } kern_return_t DiskArbDeregisterWithPID_auto( mach_port_t client) { gDiskArbRcvPort = client; return DiskArbDeregisterWithPID_rpc( gDiskArbSndPort, client, getpid()); } kern_return_t DiskArbMarkPIDNew_auto( mach_port_t client, unsigned flags) { gDiskArbRcvPort = client; SetSecure(); return DiskArbMarkPIDNew_rpc( gDiskArbSndPort, client, getpid(), flags); } kern_return_t DiskArbRequestDiskChange_auto( DiskArbDiskIdentifier diskIdentifier, DiskArbGenericString mountPoint, int flags) { SetSecure(); return DiskArbRequestDiskChange_rpc( gDiskArbSndPort, getpid(), diskIdentifier, mountPoint, flags); } kern_return_t DiskArbSetCurrentUser_auto( int user) { SetSecure(); return DiskArbSetCurrentUser_rpc(gDiskArbSndPort, getpid(), user); } kern_return_t DiskArbVSDBAdoptVolume_auto(DiskArbDiskIdentifier diskIdentifier) { SetSecure(); return DiskArbVSDBAdoptVolume_rpc(gDiskArbSndPort, getpid(), diskIdentifier); } kern_return_t DiskArbVSDBDisownVolume_auto(DiskArbDiskIdentifier diskIdentifier) { SetSecure(); return DiskArbVSDBDisownVolume_rpc(gDiskArbSndPort, getpid(), diskIdentifier); } int DiskArbVSDBGetVolumeStatus_auto(DiskArbDiskIdentifier diskIdentifier) { int status; SetSecure(); DiskArbVSDBGetVolumeStatus_rpc(gDiskArbSndPort, diskIdentifier, &status); return status; } kern_return_t DiskArbSetVolumeEncoding_auto(DiskArbDiskIdentifier diskIdentifier, int volumeEncoding) { SetSecure(); return DiskArbSetVolumeEncoding_rpc(gDiskArbSndPort, getpid(), diskIdentifier, volumeEncoding); } int DiskArbGetVolumeEncoding_auto(DiskArbDiskIdentifier diskIdentifier) { int status; SetSecure(); DiskArbGetVolumeEncoding_rpc(gDiskArbSndPort, diskIdentifier, &status); return status; } /* Sets the kDiskArbHandlesUninitializedDisks flag on the corresponding client record. */ kern_return_t DiskArbClientHandlesUninitializedDisks_auto( int flag) { SetSecure(); return DiskArbClientHandlesUninitializedDisks_rpc( gDiskArbSndPort, getpid(), flag ); } /* -- Async */ kern_return_t DiskArbUnmountRequest_async_auto( DiskArbDiskIdentifier diskIdentifier, unsigned flags) { SetSecure(); return DiskArbUnmountRequest_async_rpc( gDiskArbSndPort, getpid(), diskIdentifier, flags ); } kern_return_t DiskArbUnmountPreNotifyAck_async_auto( DiskArbDiskIdentifier diskIdentifier, int errorCode) { SetSecure(); return DiskArbUnmountPreNotifyAck_async_rpc( gDiskArbSndPort, getpid(), diskIdentifier, errorCode ); } kern_return_t DiskArbEjectRequest_async_auto( DiskArbDiskIdentifier diskIdentifier, unsigned flags) { SetSecure(); return DiskArbEjectRequest_async_rpc( gDiskArbSndPort, getpid(), diskIdentifier, flags ); } kern_return_t DiskArbEjectPreNotifyAck_async_auto( DiskArbDiskIdentifier diskIdentifier, int errorCode) { SetSecure(); return DiskArbEjectPreNotifyAck_async_rpc( gDiskArbSndPort, getpid(), diskIdentifier, errorCode ); } kern_return_t DiskArbUnmountAndEjectRequest_async_auto( DiskArbDiskIdentifier diskIdentifier, unsigned flags) { SetSecure(); return DiskArbUnmountAndEjectRequest_async_rpc( gDiskArbSndPort, getpid(), diskIdentifier, flags ); } /* Sets the kDiskArbIAmBlueBox flag on the corresponding client record. */ kern_return_t DiskArbSetBlueBoxBootVolume_async_auto( int pid, int seqno) { SetSecure(); return DiskArbSetBlueBoxBootVolume_async_rpc( gDiskArbSndPort, pid, seqno ); } /* -- Async Helper */ kern_return_t DiskArbMsgLoop( void ) { return DiskArbMsgLoopWithTimeout ( MACH_MSG_TIMEOUT_NONE ); } void DiskArbNoOp( void) { return; } kern_return_t DiskArbMsgLoopWithTimeout( mach_msg_timeout_t millisecondTimeout ) { kern_return_t err = 0; unsigned msgReceiveBufLength; mach_msg_header_t * msgReceiveBufPtr = NULL; unsigned msgSendBufLength; mach_msg_header_t * msgSendBufPtr = NULL; mach_msg_return_t receiveResult; msgSendBufLength = sizeof( mach_msg_empty_send_t ) + 20; /* Over-allocate */ msgSendBufPtr = (mach_msg_header_t * )malloc( msgSendBufLength ); if ( msgSendBufPtr == NULL ) { dwarning(( "FAILURE: msgSendBufPtr = malloc(%d)\n", msgSendBufLength )); err = -1; goto Return; } else { dwarning(( "SUCCESS: msgSendBufPtr = malloc(%d)\n", msgSendBufLength )); } msgReceiveBufLength = sizeof( mach_msg_empty_rcv_t ); msgReceiveBufPtr = NULL; while ( 1 ) { /* (Re)allocate a buffer for receiving msgs from the server. */ if ( msgReceiveBufPtr == NULL ) { msgReceiveBufPtr = (mach_msg_header_t * )malloc( msgReceiveBufLength ); if ( msgReceiveBufPtr == NULL ) { dwarning(( "FAILURE: msgReceiveBufPtr = malloc(%d)\n", msgReceiveBufLength )); err = -2; goto Return; } else { dwarning(( "SUCCESS: msgReceiveBufPtr = malloc(%d)\n", msgReceiveBufLength )); } } dwarning(("gDiskArbRcvPort = $%x", gDiskArbRcvPort)); dwarning(("%s: Waiting for a message (millisecondTimeount = %d)...\n", __FUNCTION__, millisecondTimeout)); receiveResult = mach_msg( msgReceiveBufPtr, MACH_RCV_MSG | MACH_RCV_LARGE | (MACH_MSG_TIMEOUT_NONE == millisecondTimeout ? 0 : MACH_RCV_TIMEOUT), 0, msgReceiveBufLength, gDiskArbRcvPort, millisecondTimeout, MACH_PORT_NULL); if ( receiveResult == MACH_RCV_TOO_LARGE ) { dwarning(( "%s(): mach_msg: $%08x: %s\n", __FUNCTION__, receiveResult, mach_error_string(receiveResult) )); dwarning(( "msgReceiveBufPtr->msgh_size = %d\n", msgReceiveBufPtr->msgh_size )); msgReceiveBufLength = msgReceiveBufPtr->msgh_size + sizeof(mach_msg_trailer_t); free( msgReceiveBufPtr ); msgReceiveBufPtr = NULL; /* Retry: reallocate a larger buffer and retry the msg_rcv */ continue; } else if ( receiveResult != MACH_MSG_SUCCESS ) { dwarning(( "%s(): mach_msg: $%08x: %s\n", __FUNCTION__, receiveResult, mach_error_string(receiveResult) )); err = receiveResult; goto Return; } if ( msgReceiveBufPtr->msgh_local_port == gDiskArbRcvPort ) { bzero( msgSendBufPtr, sizeof( mach_msg_header_t ) ); dwarning(("%s: DiskArbHandleMsg...\n", __FUNCTION__)); (void) DiskArbHandleMsg( msgReceiveBufPtr, msgSendBufPtr ); dwarning(("%s: mach_msg_send...\n", __FUNCTION__)); (void) mach_msg_send( msgSendBufPtr ); goto Return; } else { dwarning(("FAILURE: unrecognized msgh_local_port = $%x\n", (int)msgReceiveBufPtr->msgh_local_port)); err = -3; goto Return; } } // while ( 1 ) Return: if ( msgReceiveBufPtr ) free ( msgReceiveBufPtr ); if ( msgSendBufPtr ) free ( msgSendBufPtr ); return err; } // DiskArbMsgLoop /* -- Printer Arbitration */ kern_return_t DiskArbPrinter_Request_auto ( int locationID) { SetSecure(); return DiskArbPrinter_Request_rpc( gDiskArbSndPort, getpid(), locationID ); } kern_return_t DiskArbPrinter_Response_auto ( int pid, int locationID, int answer) { SetSecure(); return DiskArbPrinter_Response_rpc( gDiskArbSndPort, pid, locationID, answer ); } kern_return_t DiskArbPrinter_Release_auto ( int locationID) { SetSecure(); return DiskArbPrinter_Release_rpc( gDiskArbSndPort, locationID ); } /* Device Arbitration/Backing Store Arb */ kern_return_t DiskArbIsDeviceReservedForClient( DiskArbDiskIdentifier diskIdentifier) { SetSecure(); //printf("%d, Askign on status of %s\n", getpid(), diskIdentifier); return DiskArbIsDeviceReservedForClient_rpc(gDiskArbSndPort, diskIdentifier, getpid()); } kern_return_t DiskArbRetainClientReservationForDevice ( DiskArbDiskIdentifier diskIdentifier) { SetSecure(); //printf("%d, Attempting to retain %s\n", getpid(), diskIdentifier); return DiskArbRetainClientReservationForDevice_rpc(gDiskArbSndPort, diskIdentifier, getpid()); } kern_return_t DiskArbReleaseClientReservationForDevice ( DiskArbDiskIdentifier diskIdentifier) { SetSecure(); //printf("%d, I am releaseing retain %s\n", getpid(), diskIdentifier); return DiskArbReleaseClientReservationForDevice_rpc(gDiskArbSndPort, diskIdentifier, getpid()); } kern_return_t DiskArbClientRelinquishesReservation ( DiskArbDiskIdentifier diskIdentifier, int releaseToClientPid, int status) { SetSecure(); //printf("%d, I am relinquishing retain %s\n", getpid(), diskIdentifier); return DiskArbClientRelinquishesReservation_rpc(gDiskArbSndPort, diskIdentifier, getpid(), releaseToClientPid, status); } /* register yourself */ kern_return_t DiskArbClientHandlesUnrecognizedDisks ( int diskTypes, int priority) { SetSecure(); return DiskArbClientHandlesUnrecognizedDisks_rpc(gDiskArbSndPort, getpid(), diskTypes, priority); } kern_return_t DiskArbClientWillHandleUnrecognizedDisk ( DiskArbDiskIdentifier diskIdentifier, int yesNo) { SetSecure(); return DiskArbClientWillHandleUnrecognizedDisk_rpc(gDiskArbSndPort, diskIdentifier, getpid(), yesNo ); } /* Other stuff */ void DiskArbUpdateClientFlags() { DiskArbUpdateClientWithPID_auto(gDiskArbitration_ClientFlags); return; } int DiskArbIsActive() { if (gDiskArbSndPort != NULL && gDiskArbRcvPort != NULL) { return 1; } return 0; } /* Security/Authorization */ void SetSecure(void) { static int securityTokenPassed = 0; if (!securityTokenPassed) { AuthorizationRef ref; int error; int flags = kAuthorizationFlagPreAuthorize | kAuthorizationFlagPartialRights | kAuthorizationFlagExtendRights; error = AuthorizationCreate(NULL, NULL, flags, &ref); // printf("Passing security token err = %d\n", error); if (!error) { AuthorizationExternalForm externalForm; error = AuthorizationMakeExternalForm(ref, &externalForm); // printf("Making security pass err = %d\n", error); if (!error) { DiskArbSetSecuritySettingsForClient_rpc(gDiskArbSndPort, getpid(), externalForm.bytes); } } securityTokenPassed++; } return; } kern_return_t DiskArb_EjectKeyPressed() { return DiskArbEjectKeyPressed_rpc(gDiskArbSndPort); }