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/*
Erica Sadun, http://ericasadun.com
iPhone Developer's Cookbook, 3.0 Edition
BSD License, Use at your own risk
*/
#import "UIDevice-IOKitExtensions.h"
#include <sys/types.h>
#include <sys/sysctl.h>
#import <mach/mach_host.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <ifaddrs.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <ifaddrs.h>
#if SUPPORTS_IOKIT_EXTENSIONS
#pragma mark IOKit miniheaders
#define kIODeviceTreePlane "IODeviceTree"
enum {
kIORegistryIterateRecursively = 0x00000001,
kIORegistryIterateParents = 0x00000002
};
typedef mach_port_t io_object_t;
typedef io_object_t io_registry_entry_t;
typedef char io_name_t[128];
typedef UInt32 IOOptionBits;
CFTypeRef
IORegistryEntrySearchCFProperty(
io_registry_entry_t entry,
const io_name_t plane,
CFStringRef key,
CFAllocatorRef allocator,
IOOptionBits options );
kern_return_t
IOMasterPort( mach_port_t bootstrapPort,
mach_port_t * masterPort );
io_registry_entry_t
IORegistryGetRootEntry(
mach_port_t masterPort );
CFTypeRef
IORegistryEntrySearchCFProperty(
io_registry_entry_t entry,
const io_name_t plane,
CFStringRef key,
CFAllocatorRef allocator,
IOOptionBits options );
kern_return_t mach_port_deallocate
(ipc_space_t task,
mach_port_name_t name);
@implementation UIDevice (IOKit_Extensions)
#pragma mark IOKit Utils
NSArray *getValue(NSString *iosearch)
{
mach_port_t masterPort;
CFTypeID propID = (CFTypeID) NULL;
unsigned int bufSize;
kern_return_t kr = IOMasterPort(MACH_PORT_NULL, &masterPort);
if (kr != noErr) return nil;
io_registry_entry_t entry = IORegistryGetRootEntry(masterPort);
if (entry == MACH_PORT_NULL) return nil;
CFTypeRef prop = IORegistryEntrySearchCFProperty(entry, kIODeviceTreePlane, (CFStringRef) iosearch, nil, kIORegistryIterateRecursively);
if (!prop) return nil;
propID = CFGetTypeID(prop);
if (!(propID == CFDataGetTypeID()))
{
mach_port_deallocate(mach_task_self(), masterPort);
return nil;
}
CFDataRef propData = (CFDataRef) prop;
if (!propData) return nil;
bufSize = CFDataGetLength(propData);
if (!bufSize) return nil;
NSString *p1 = [[[NSString alloc] initWithBytes:CFDataGetBytePtr(propData) length:bufSize encoding:1] autorelease];
mach_port_deallocate(mach_task_self(), masterPort);
return [p1 componentsSeparatedByString:@"\0"];
}
- (NSString *) imei
{
NSArray *results = getValue(@"device-imei");
if (results) return [results objectAtIndex:0];
return nil;
}
- (NSString *) serialnumber
{
NSArray *results = getValue(@"serial-number");
if (results) return [results objectAtIndex:0];
return nil;
}
- (NSString *) backlightlevel
{
NSArray *results = getValue(@"backlight-level");
if (results) return [results objectAtIndex:0];
return nil;
}
@end
#endif
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