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Re: accessing prom

Subject: Re: accessing prom
From: Dmitry Markman <email@hidden>
Date: Sat, 21 May 2005 21:12:17 -0400
Delivered-to: email@hidden
Delivered-to: email@hidden

thank you very much Justin

the following code does the job

    {
            const char          *computerSerialNumber = NULL;
            CFTypeRef           CFComputerSerialNumber = NULL;
            io_object_t         ioEntry;
            io_iterator_t       ioIterator;
            kern_return_t       kernResult;
            mach_port_t         masterPort;
            kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort);

if(kernResult == KERN_SUCCESS) { kernResult = IORegistryCreateIterator (masterPort,kIOServicePlane,0,&ioIterator); } if(kernResult == KERN_SUCCESS) { ioEntry = IOIteratorNext(ioIterator); if(ioEntry != 0) { CFComputerSerialNumber = IORegistryEntrySearchCFProperty(ioEntry,kIOServicePlane,CFSTR (kIOPlatformSerialNumberKey),kCFAllocatorDefault,0); IOObjectRelease(ioEntry); } IOObjectRelease(ioIterator); } if(CFComputerSerialNumber != NULL) { if(CFStringGetTypeID() == CFGetTypeID (CFComputerSerialNumber)) { computerSerialNumber = CFStringGetCStringPtr ((CFStringRef)CFComputerSerialNumber,kCFStringEncodingMacRoman); } CFRelease(CFComputerSerialNumber); } if(computerSerialNumber != NULL) printf("Serial Number: % s\n",computerSerialNumber); }

however I suppose that there is a more elegant way by using some matching facility

On May 21, 2005, at 4:10 PM, Justin Walker wrote:


On May 21, 2005, at 8:52, Dmitry Markman wrote:

Hi
is it  possible to access PROM data?
specifically we need to obtain computer's serial number
thanks

I don't know how to do that, but 'ioreg -l' will show you the system's serial number (IOPlatformSerialNumber). Digging through the source may help; I took a quick look (IOKitTools project), but nothing said "here I am" ;-/

Regards,

Justin

--
Justin C. Walker, Curmudgeon-At-Large
Institute for General Semantics
--------
Some people have a mental horizon of radius zero, and
call it their point of view.
  -- David Hilbert
--------

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Dmitry Markman

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References:
	>accessing prom (From: Dmitry Markman <email@hidden>)
	>Re: accessing prom (From: Justin Walker <email@hidden>)

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