UIDevice+IdentifierAddition.m

//
//  UIDevice(Identifier).m
//  UIDeviceAddition
//
//  Created by Georg Kitz on 20.08.11.
//  Copyright 2011 Aurora Apps. All rights reserved.
//

#import "UIDevice+IdentifierAddition.h"
#import "NSString+MD5Addition.h"

#include <sys/socket.h> // Per msqr
#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_dl.h>

//@interface UIDevice(Private)
//
//- (NSString *) macaddress;
//
//@end
//
//@implementation UIDevice (IdentifierAddition)

@implementation UIDevice (advertisingIdentifier)
////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Private Methods

// Return the local MAC addy
// Courtesy of FreeBSD hackers email list
// Accidentally munged during previous update. Fixed thanks to erica sadun & mlamb.
//- (NSString *) macaddress{
//    
//    int                 mib[6];
//    size_t              len;
//    char                *buf;
//    unsigned char       *ptr;
//    struct if_msghdr    *ifm;
//    struct sockaddr_dl  *sdl;
//    
//    mib[0] = CTL_NET;
//    mib[1] = AF_ROUTE;
//    mib[2] = 0;
//    mib[3] = AF_LINK;
//    mib[4] = NET_RT_IFLIST;
//    
//    if ((mib[5] = if_nametoindex("en0")) == 0) {
//        printf("Error: if_nametoindex error\n");
//        return NULL;
//    }
//    
//    if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
//        printf("Error: sysctl, take 1\n");
//        return NULL;
//    }
//    
//    if ((buf = malloc(len)) == NULL) {
//        printf("Could not allocate memory. error!\n");
//        return NULL;
//    }
//    
//    if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
//        printf("Error: sysctl, take 2");
//        free(buf);
//        return NULL;
//    }
//    
//    ifm = (struct if_msghdr *)buf;
//    sdl = (struct sockaddr_dl *)(ifm + 1);
//    ptr = (unsigned char *)LLADDR(sdl);
//    NSString *outstring = [NSString stringWithFormat:@"%02X:%02X:%02X:%02X:%02X:%02X", 
//                           *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), *(ptr+5)];
//    free(buf);
//    
//    return outstring;
//}

////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Public Methods

- (NSString *) uniqueDeviceIdentifier{
//    NSString *macaddress = [[UIDevice currentDevice] macaddress];
//    NSString *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];
//    
//    NSString *stringToHash = [NSString stringWithFormat:@"%@%@",macaddress,bundleIdentifier];
//    NSString *uniqueIdentifier = [stringToHash stringFromMD5];
    NSString *uniqueIdentifier  =[[[UIDevice currentDevice] identifierForVendor] UUIDString];
    
    return uniqueIdentifier;
}

//- (NSString *) uniqueGlobalDeviceIdentifier{
//    NSString *macaddress = [[UIDevice currentDevice] macaddress];
//    NSString *uniqueIdentifier = [macaddress stringFromMD5];
//    
//    return uniqueIdentifier;
//}

@end