int fd_stat(struct stat *buf) { OSErr err; DrvSts status; int result; result = 0; err = DriveStatus(1, &status); if (status.diskInPlace <1 || status.diskInPlace > 2) result = -1; buf->st_mode = S_IFCHR; return result; }
void slowPoll( void ) { RANDOM_STATE randomState; BYTE buffer[ RANDOM_BUFSIZE + 8 ]; ProcessSerialNumber psn; GDHandle deviceHandle; GrafPtr currPort; QElemPtr queuePtr; QHdrPtr queueHdr; static BOOLEAN addedFixedItems = FALSE; initRandomData( randomState, buffer, RANDOM_BUFSIZE ); /* Walk through the list of graphics devices adding information about a device (IM VI 21-21) */ deviceHandle = GetDeviceList(); while( deviceHandle != NULL ) { GDHandle currentHandle = deviceHandle; GDPtr devicePtr; HLock( ( Handle ) currentHandle ); devicePtr = *currentHandle; deviceHandle = devicePtr->gdNextGD; addRandomData( randomState, devicePtr, sizeof( GDevice ) ); HUnlock( ( Handle ) currentHandle ); } /* Walk through the list of processes adding information about each process, including the name and serial number of the process, file and resource information, memory usage information, the name of the launching process, launch time, and accumulated CPU time (IM VI 29-17) */ psn.highLongOfPSN = 0; psn.lowLongOfPSN = kNoProcess; while( !GetNextProcess( &psn ) ) { ProcessInfoRec infoRec; GetProcessInformation( &psn, &infoRec ); addRandomData( randomState, &infoRec, sizeof( ProcessInfoRec ) ); } /* Get the command type, trap address, and parameters for all commands in the file I/O queue. The parameters are quite complex and are listed on page 117 of IM IV, and include reference numbers, attributes, time stamps, length and file allocation information, finder info, and large amounts of other volume and filesystem-related data */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( ( queueHdr = GetFSQHdr() ) != NULL ) queuePtr = queueHdr->qHead; while( queuePtr != NULL ) { /* The queue entries are variant records of variable length so we need to adjust the length parameter depending on the record type */ addRandomData( randomState, queuePtr, 32 ); /* dunno how big.. */ queuePtr = queuePtr->qLink; } #endif /* The following are fixed for the lifetime of the process so we only add them once */ if( !addedFixedItems ) { Str255 appName, volName; GDHandle deviceHandle; Handle appHandle; DrvSts driveStatus; MachineLocation machineLocation; ProcessInfoRec processInfo; QHdrPtr vblQueue; SysEnvRec sysEnvirons; SysPPtr pramPtr; DefStartRec startupInfo; DefVideoRec videoInfo; DefOSRec osInfo; XPPParamBlock appleTalkParams; unsigned char *driverNames[] = { "\p.AIn", "\p.AOut", "\p.AppleCD", "\p.ATP", "\p.BIn", "\p.BOut", "\p.MPP", "\p.Print", "\p.Sony", "\p.Sound", "\p.XPP", NULL }; SInt16 count, dummy, i, node, net, vRefNum, script; SInt32 lcount, volume; /* Get the current font family ID, node ID of the local AppleMumble router, caret blink delay, CPU speed, double-click delay, sound volume, application and system heap zone, the number of resource types in the application, the number of sounds voices available, the FRef of the current resource file, volume of the sysbeep, primary line direction, computer SCSI disk mode ID, timeout before the screen is dimmed and before the computer is put to sleep, number of available threads in the thread pool, whether hard drive spin-down is disabled, the handle to the i18n resources, timeout time for the internal HDD, */ addRandomValue( randomState, GetAppFont() ); #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON addRandomValue( randomState, GetBridgeAddress() ); #endif addRandomValue( randomState, GetCaretTime() ); /* addRandomValue( randomState, GetCPUSpeed() ); */ addRandomValue( randomState, GetDblTime() ); GetSysBeepVolume( &volume ); addRandomValue( randomState, volume ); GetDefaultOutputVolume( &volume ); addRandomValue( randomState, volume ); #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON addRandomValue( randomState, ApplicationZone() ); addRandomValue( randomState, SystemZone() ); #endif addRandomValue( randomState, CountTypes() ); /* CountVoices( &count ); ** seems to crash addRandomValue( randomState, count ); */ addRandomValue( randomState, CurResFile() ); GetSysBeepVolume( &lcount ); addRandomValue( randomState, lcount ); addRandomValue( randomState, GetSysDirection() ); /* addRandomValue( randomState, GetSCSIDiskModeAddress() ); addRandomValue( randomState, GetDimmingTimeout() ); addRandomValue( randomState, GetSleepTimeout() ); */ GetFreeThreadCount( kCooperativeThread, &count ); addRandomValue( randomState, count ); /* addRandomValue( randomState, IsSpindownDisabled() ); */ addRandomValue( randomState, GetIntlResource( 0 ) ); #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON GetTimeout( &count ); addRandomValue( randomState, count ); #endif /* Get the number of documents/files which were selected when the app started and for each document get the vRefNum, name, type, and version -- OBSOLETE CountAppFiles( &dummy, &count ); addRandomValue( randomState, count ); while( count > 0 ) { AppFile theFile; GetAppFiles( count, &theFile ); addRandomData( randomState, &theFile, sizeof( AppFile ) ); count--; } */ /* Get the app's name, resource file reference number, and handle to the finder information -- OBSOLETE GetAppParams( appName, appHandle, &count ); addRandomData( randomState, appName, sizeof( Str255 ) ); addRandomValue( randomState, appHandle ); addRandomValue( randomState, count ); */ /* Get all sorts of statistics such as physical information, disk and write-protect present status, error status, and handler queue information, on floppy drives attached to the system. Also get the volume name, volume reference number and number of bytes free, for the volume in the drive */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( !DriveStatus( 1, &driveStatus ) ) addRandomData( randomState, &driveStatus, sizeof (DrvSts) ); #endif #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( !GetVInfo( 1, volName, &vRefNum, &lcount ) ) { addRandomData( randomState, volName, sizeof( Str255 ) ); addRandomValue( randomState, vRefNum ); addRandomValue( randomState, lcount ); } #endif #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( !DriveStatus( 2, &driveStatus ) ) addRandomData( randomState, &driveStatus, sizeof (DrvSts) ); #endif #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( !GetVInfo( 2, volName, &vRefNum, &lcount ) ) { addRandomData( randomState, volName, sizeof( Str255 ) ); addRandomValue( randomState, vRefNum ); addRandomValue( randomState, lcount ); } #endif /* Get information on the head and tail of the vertical retrace queue */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( ( vblQueue = GetVBLQHdr() ) != NULL ) addRandomData( randomState, vblQueue, sizeof( QHdr ) ); #endif /* Get the parameter RAM settings */ pramPtr = GetSysPPtr(); addRandomData( randomState, pramPtr, sizeof( SysParmType ) ); /* Get information about the machines geographic location */ ReadLocation( &machineLocation ); addRandomData( randomState, &machineLocation, sizeof( MachineLocation ) ); /* Get information on current graphics devices including device information such as dimensions and cursor information, and a number of handles to device-related data blocks and functions, and information about the dimentions and contents of the devices pixel image as well as the images resolution, storage format, depth, and colour usage */ deviceHandle = GetDeviceList(); do { GDPtr gdPtr; addRandomValue( randomState, deviceHandle ); HLock( ( Handle ) deviceHandle ); gdPtr = ( GDPtr ) *deviceHandle; addRandomData( randomState, gdPtr, sizeof( GDevice ) ); addRandomData( randomState, gdPtr->gdPMap, sizeof( PixMap ) ); HUnlock( ( Handle ) deviceHandle ); } while( ( deviceHandle = GetNextDevice( deviceHandle ) ) != NULL ); /* Get the current system environment, including the machine and system software type, the keyboard type, where there's a colour display attached, the AppleTalk driver version, and the VRefNum of the system folder */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON SysEnvirons( curSysEnvVers, &sysEnvirons ); addRandomData( randomState, &sysEnvirons, sizeof( SysEnvRec ) ); #endif /* Get the AppleTalk node ID and network number for this machine */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( GetNodeAddress( &node, &net ) ) { addRandomValue( randomState, node ); addRandomValue( randomState, net ); } #endif /* Get information on each device connected to the ADB including the device handler ID, the devices ADB address, and the address of the devices handler and storage area */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON count = CountADBs(); while( count-- > 0 ) { ADBDataBlock adbInfo; GetIndADB( &adbInfo, count ); addRandomData( randomState, &adbInfo, sizeof( ADBDataBlock ) ); } #endif /* Open the most common device types and get the general device status information and (if possible) device-specific status. The general device information contains the device handle and flags, I/O queue information, event information, and other driver-related details */ /* Try something like this again.. and ur a dead man, Peter ;-) -xmath */ /* for( count = 0; driverNames[ count ] != NULL; count++ ) { AuxDCEHandle dceHandle; short driverRefNum; ** Try and open the driver ** if( OpenDriver( driverNames[ count ], &driverRefNum ) ) continue; ** Get a handle to the driver control information (this could also be done with GetDCtlHandle()) ** Status( driverRefNum, 1, &dceHandle ); HLock( dceHandle ); addRandomData( randomState, *dceHandle, sizeof( AuxDCE ) ); HUnlock( dceHandle ); CloseDriver( driverRefNum ); } */ /* Get the name and volume reference number for the current volume */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON GetVol( volName, &vRefNum ); addRandomData( randomState, volName, sizeof( Str255 ) ); addRandomValue( randomState, vRefNum ); #endif /* Get the time information, attributes, directory information and bitmap, volume allocation information, volume and drive information, pointers to various pieces of volume-related information, and details on path and directory caches, for each volume */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( ( queueHdr = GetVCBQHdr() ) != NULL ) queuePtr = queueHdr->qHead; while ( queuePtr != NULL ) { addRandomData( randomState, queuePtr, sizeof( VCB ) ); queuePtr = queuePtr->qLink; } #endif /* Get the driver reference number, FS type, and media size for each drive */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON if( ( queueHdr = GetDrvQHdr() ) != NULL ) queuePtr = queueHdr->qHead; while ( queuePtr != NULL ) { addRandomData( randomState, queuePtr, sizeof( DrvQEl ) ); queuePtr = queuePtr->qLink; } #endif /* Get global script manager variables and vectors, including the globals changed count, font, script, and i18n flags, various script types, and cache information */ for( count = 0; count < 30; count++ ) addRandomValue( randomState, GetScriptManagerVariable( count ) ); /* Get the script code for the font script the i18n script, and for each one add the changed count, font, script, i18n, and display flags, resource ID's, and script file information */ script = FontScript(); addRandomValue( randomState, script ); for( count = 0; count < 30; count++ ) addRandomValue( randomState, GetScriptVariable( script, count ) ); script = IntlScript(); addRandomValue( randomState, script ); for( count = 0; count < 30; count++ ) addRandomValue( randomState, GetScriptVariable( script, count ) ); /* Get the device ID, partition, slot number, resource ID, and driver reference number for the default startup device */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON GetDefaultStartup( &startupInfo ); addRandomData( randomState, &startupInfo, sizeof( DefStartRec ) ); #endif /* Get the slot number and resource ID for the default video device */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON GetVideoDefault( &videoInfo ); addRandomData( randomState, &videoInfo, sizeof( DefVideoRec ) ); #endif /* Get the default OS type */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON GetOSDefault( &osInfo ); addRandomData( randomState, &osInfo, sizeof( DefOSRec ) ); #endif /* Get the AppleTalk command block and data size and number of sessions */ #if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON ASPGetParms( &appleTalkParams, FALSE ); addRandomData( randomState, &appleTalkParams, sizeof( XPPParamBlock ) ); #endif addedFixedItems = TRUE; } /* Flush any remaining data through */ endRandomData( randomState, 100 ); }
extern pascal OSErr MoreGetDriveSize(SInt16 drive, UInt32 *sizeInBlocks) // See comment in interface part. { OSErr err; DrvQElPtr drvQEl; CntrlParam pb; FormatListRec formatList[kFormatListEntryCount]; SInt16 formatIndex; Boolean foundFormat; Str255 driverName; DrvSts status; MoreAssertQ(drive > 0); MoreAssertQ(sizeInBlocks != nil); // Start by finding the drive queue element for // the drive, and by making sure that there's a disk // in the drive. err = MoreUTFindDriveQ(drive, &drvQEl); if (err == noErr) { if ( MoreGetDriveFlags(drvQEl)->diskInPlace <= 0 ) { err = offLinErr; } } // Wow, this is harder than it should be, all because of the // silly ".Sony" driver. The basic problem is that // the ".Sony" driver doesn't store the disk size in the // drive queue element like every other disk drive on the // planet. The solution is a three step process as described // in the comments below. if (err == noErr) { // Step 1. If the driver supports the kReturnFormatList status call, // use it to get a list of formats for the drive and then // return the format marked as current. pb.ioNamePtr = nil; pb.ioVRefNum = drvQEl->dQDrive; pb.ioCRefNum = drvQEl->dQRefNum; pb.csCode = kReturnFormatList; pb.csParam[0] = kFormatListEntryCount; *((FormatListRec **) &pb.csParam[1]) = formatList; err = PBStatusSync( (ParmBlkPtr) &pb); if (err == noErr) { foundFormat = false; for (formatIndex = 0; formatIndex < pb.csParam[0]; formatIndex++) { if ((formatList[formatIndex].formatFlags & diCIFmtFlagsCurrentMask) != 0) { *sizeInBlocks = formatList[formatIndex].volSize; foundFormat = true; } } if ( ! foundFormat ) { // Hmmm, this isn't good. The disk driver returned a format // list but none of the formats were marked as "current". // We handle this correctly but, in debug builds, we'll also // drop into MacsBug, just to let you know this is happening. MoreAssertQ(false); err = paramErr; } } else { // ¥¥¥ The logic here is slightly screwed up. The problem is that // I can't tell whether the kReturnFormatList call failed because // the driver just doesn't support it, or because the driver failed // to get the information for some other reason. If that driver // happens to be the ".Sony" driver, I'm going to take a wrong step // next. // // For example, say that there's a 1.4MB disk in the floppy drive // and I call kReturnFormatList and it fails with an error because // of a cosmic ray. I then test the driver name, find that it's // ".Sony", call DriveStatus, and then return noErr with a size // of either 400KB or 800KB. Not good. // // You might think this is an unlikely occurence, but it's exactly // what happens when there's no disk in the floppy drive. I've // special-cased that away above, but the general problem still stands. // // What are the alternatives? I could special case the error // result from kReturnFormatList and only run this code if I get // statusErr. But can you guarantee that all ".Sony" drives // return statusErr for an unrecognised status code? I thought not. // Beyond that, I can't think of any options. So this code // stands. It's probably never going to bite anyone, but it's // worth noting here, just in case. Besides, this is what // the equivalent routine in MoreFiles does (-: // // -- Quinn, 3 Mar 1999 // Step 2. If that doesn't work, then look at the driver. If it's // the ".Sony" driver (and this will be a really old ".Sony" driver // because new ones support kReturnFormatList), special case // the possible media types. err = TradGetDriverInformation(drvQEl->dQRefNum, nil, nil, driverName, nil); if (err == noErr) { if ( EqualString(driverName, "\p.Sony", false, true) ) { err = DriveStatus(drvQEl->dQDrive, &status); if (err == noErr) { if ( status.twoSideFmt == 0 ) { *sizeInBlocks = 400 * 2; } else { *sizeInBlocks = 800 * 2; } } } else { // Step 3. If it's not the ".Sony" driver, get the size out of the // drive queue element. if (drvQEl->qType == 0) { // Old style drive, with just 16 bits of size information // in dQDrvSz. *sizeInBlocks = drvQEl->dQDrvSz; } else { // New style drive, with 32 bits of size information spread // between dQDrvSz and dQDrvSz2. *sizeInBlocks = (((UInt32 ) drvQEl->dQDrvSz2) * 65536) + (UInt32 ) drvQEl->dQDrvSz; } } }