Err GetDeviceSerialNumber(ExtensibleBuffer* out)
{
char* data=0;
UInt16 length;
Err error=SysGetROMToken(0, sysROMTokenSnum, reinterpret_cast<UInt8**>(&data), &length);
if (error)
return error;
if (NULL==data)
return sysErrNotAllowed;
unsigned char firstChar = ((unsigned char*)data)[0];
if (0xff==firstChar)
return sysErrNotAllowed;
ebufAddStrN(out, data, length);
return errNone;
}
void slowPoll( void )
{
static BOOLEAN addedFixedItems = FALSE;
RANDOM_STATE randomState;
BYTE buffer[ RANDOM_BUFSIZE + 8 ];
struct batteryInfoType {
uint16_t warnThreshold; /* Percent left for warn */
uint16_t criticalThreshold; /* Percent left for critical warn */
uint16_t shutdownThreshold; /* Percent left for shutdown */
uint32_t timeout; /* Battery timeout */
SysBatteryKind type; /* Battery type */
Boolean pluggedIn; /* Whether battery plugged in */
uint8_t powerLevel; /* Percent power remaining */
} batteryInfo;
const FontType *fontPtr;
MenuBarType *menuPtr;
void *stackStart, *stackEnd;
MemHeapInfoType memInfo;
RectangleType rectangleInfo;
EvtQueueHandle evtQueueHandle;
DatabaseID databaseID;
FontID fontID;
WinHandle winHandle;
WinFlagsType winFlags;
PatternType pattern;
uint32_t version;
uint16_t formID;
uint8_t value;
initRandomData( randomState, buffer, RANDOM_BUFSIZE );
/* Get the handle of the current thread's event queue, current resource
database ID, start and end of the current thread's stack, ID and
pointer to the current font, ID and pointer to the currently active
form, and pointer to the currently active menu */
evtQueueHandle = EvtGetThreadEventQueue();
addRandomValue( randomState, evtQueueHandle );
SysCurAppDatabase( &databaseID );
addRandomValue( randomState, databaseID );
SysGetStackInfo( &stackStart, &stackEnd );
addRandomData( randomState, &stackStart, sizeof( void * ) );
addRandomData( randomState, &stackEnd, sizeof( void * ) );
fontID = FntGetFont();
addRandomValue( randomState, fontID );
fontPtr = FntGetFontPtr();
addRandomData( randomState, &fontPtr, sizeof( FontType * ) );
formID = FrmGetActiveFormID();
addRandomValue( randomState, formID );
if( formID > 0 )
{
FormType *formPtr;
formPtr = FrmGetFormPtr( formID );
addRandomData( randomState, &formPtr, sizeof( FormType * ) );
}
menuPtr = MenuGetActiveMenu();
addRandomData( randomState, &menuPtr, sizeof( MenuBarType * ) );
/* Get system memory info: heap base address, total memory, memory in
use, number of chunks allocated/free and chunk memory used/free,
available memory block info */
MemDynHeapGetInfo( &memInfo );
addRandomData( randomState, &memInfo, sizeof( MemHeapInfoType ) );
/* Get the handle, creation flags, and size of the active window, the
screen window created at startup, and the current draw window, the
size and clipping rectangle of the draw window, the current pattern
type, and the current scaling mode */
winHandle = WinGetActiveWindow();
addRandomValue( randomState, winHandle );
winFlags = WinGetWindowFlags( winHandle );
addRandomValue( randomState, winFlags );
WinGetWindowFrameRect( winHandle, &rectangleInfo );
addRandomData( randomState, &rectangleInfo, sizeof( RectangleType ) );
winHandle = WinGetDisplayWindow();
addRandomValue( randomState, winHandle );
winHandle = WinGetDrawWindow();
addRandomValue( randomState, winHandle );
winFlags = WinGetWindowFlags( winHandle );
addRandomValue( randomState, winFlags );
WinGetDrawWindowBounds( &rectangleInfo );
addRandomData( randomState, &rectangleInfo, sizeof( RectangleType ) );
WinGetClip( &rectangleInfo );
addRandomData( randomState, &rectangleInfo, sizeof( RectangleType ) );
pattern = WinGetPatternType();
addRandomValue( randomState, pattern );
if( FtrGet( sysFtrCreator, sysFtrNumWinVersion, &version ) == errNone && \
version >= 5 )
{
uint32_t scaleType;
/* Not implemented before PalmOS 5.3, requires the 1.5x Display
Feature Set to avoid generating a fatal alert */
scaleType = WinGetScalingMode();
addRandomValue( randomState, scaleType );
}
/* Get expansiode card info (capability flags, manufacturer, product,
and device info including unique serial number if available), and
media info (disk space, partition info, pseudo-HDD metrics) for all
expansion slots */
if( FtrGet( sysFileCExpansionMgr,expFtrIDVersion, &version ) == errNone )
{
uint32_t slotIterator = expIteratorStart;
uint16_t slotRefNum;
while( slotIterator != expIteratorStop && \
ExpSlotEnumerate( &slotRefNum, &slotIterator ) == errNone )
{
ExpCardInfoType cardInfo;
CardMetricsType cardMetrics;
addRandomValue( randomState, slotRefNum );
ExpCardInfo( slotRefNum, &cardInfo );
addRandomData( randomState, &cardInfo, sizeof( ExpCardInfoType ) );
ExpCardMetrics( slotRefNum, &cardMetrics );
addRandomData( randomState, &cardMetrics, sizeof( CardMetricsType ) );
}
}
/* Get attributes, filesystem type, mount info, media type, space used,
and total space for all mounted volumes */
if( FtrGet( sysFileCVFSMgr, vfsFtrIDVersion, &version ) == errNone )
{
uint32_t volIterator = vfsIteratorStart;
uint16_t volRefNum;
while( volIterator != vfsIteratorStop && \
VFSVolumeEnumerate( &volRefNum, &volIterator ) == errNone )
{
VolumeInfoType volInfo;
uint32_t volUsed, volTotal;
addRandomValue( randomState, volRefNum );
VFSVolumeInfo( volRefNum, &volInfo );
addRandomData( randomState, &volInfo, sizeof( VolumeInfoType ) );
VFSVolumeSize( volRefNum, &volUsed, &volTotal );
addRandomValue( randomState, volUsed );
addRandomValue( randomState, volTotal );
}
}
/* Get battery state info */
if( SysBatteryInfo( FALSE, &batteryInfo.warnThreshold,
&batteryInfo.criticalThreshold,
&batteryInfo.shutdownThreshold,
&batteryInfo.timeout, &batteryInfo.type,
&batteryInfo.pluggedIn,
&batteryInfo.powerLevel ) == errNone )
addRandomData( randomState, &batteryInfo,
sizeof( struct batteryInfoType ) );
/* Get the LCD brightness and contrast level */
value = SysLCDBrightness( FALSE, 0 );
addRandomValue( randomState, value );
value = SysLCDContrast( FALSE, 0 );
addRandomValue( randomState, value );
/* The following are fixed for the lifetime of the process so we only
add them once */
if( !addedFixedItems )
{
struct ftrInfoType {
uint32_t creator; /* Feature creator */
uint16_t number; /* Feature number */
uint32_t value; /* Feature value */
} ftrInfo;
uint16_t ftrIterator, romTokenSize;
uint8_t *romToken;
/* Get system features. This includes a large amount of
information ranging from fairly static (extensive hardware
capability info, OS version/configuration data) through to
variable (default font, locale, etc) */
for( ftrIterator = 0; \
FtrGetByIndex( ftrIterator, FALSE, &ftrInfo.creator, \
&ftrInfo.number, &ftrInfo.value ) == errNone; \
ftrIterator++ )
addRandomData( randomState, &ftrInfo, sizeof( struct ftrInfoType ) );
/* Get the ROM serial number. This is somewhat complex, for it to
be valid the function call has to succeed and the returned
pointer has to be non-null and the first byte of the returned
data can't be 0xFF */
if( SysGetROMToken( sysROMTokenSnum, &romToken, \
&romTokenSize ) == errNone && \
romToken != NULL && *romToken != 0xFF )
addRandomData( randomState, &romToken, romTokenSize );
addedFixedItems = TRUE;
}
/* Flush any remaining data through */
endRandomData( randomState, 100 );
}