Get Mac Disk Info

DiskInfo.m

//
//  AppDelegate.m
//  demo
//
//  Created by 61 on 13-8-11.
//  Copyright (c) 2013年 61. All rights reserved.
//

#import "AppDelegate.h"
#import <IOKit/IOKitLib.h>

@implementation AppDelegate

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
    NSLog(@"%@", [self getDiskSerialNumber]);
}

- (NSString *)getDiskSerialNumber
{
    kern_return_t   kr;
    io_iterator_t   io_objects;
    io_service_t    io_service;
    NSString *serialNumber = nil;
    
    CFMutableDictionaryRef service_properties = CFDictionaryCreateMutable(NULL, 0, NULL,NULL);
    kr = IOServiceGetMatchingServices(kIOMasterPortDefault, IOServiceNameMatching("AppleAHCIDiskDriver"), &io_objects);
    
    if(kr != KERN_SUCCESS)
        return nil;
    
    while((io_service = IOIteratorNext(io_objects))) {
        kr = IORegistryEntryCreateCFProperties(io_service, &service_properties, kCFAllocatorDefault, kNilOptions);
        if(kr == KERN_SUCCESS) {
            NSDictionary * serviceInfo = (__bridge NSDictionary *)service_properties;
            NSLog(@"%@", serviceInfo);
            serialNumber = [serviceInfo objectForKey:@"Serial Number"];
            CFRelease(service_properties);
        }
        
        IOObjectRelease(io_service);
    }
    
    IOObjectRelease(io_objects);
    
    return serialNumber;
}
@end