iOS获取当前设备的IP地址和MAC地址

概述iOS获取当前设备的IP地址和MAC地址

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    //      //  GetForIPMac.m      //  Eric      //      //  Created by Eric on 15-3-24.      //  copyright (c) 2015年 yons. All rights reserved.      //            #import "GetForIPMac.h"            //Get IP 需要导入的库文件            #import <ifaddrs.h>            #import <arpa/inet.h>                  //Get MAC 需要导入的库文件            #include <sys/socket.h> // Per msqr            #include <sys/sysctl.h>            #include <net/if.h>            #include <net/if_dl.h>                  @interface GetForIPMac ()            @end            @implementation GetForIPMac            - (voID)vIEwDIDLoad {                    [super vIEwDIDLoad];          // Do any additional setup after loading the vIEw.                    //获取当前设备的IP和MAC地址                    Nsstring *ip_str = [self getIPAddress];                    NSLog(@" Get IP Address %@",ip_str);//192.168.191.5                    Nsstring *mac_str = [self getMacAddress];                    NSLog(@"Get MAC Address %@",mac_str); //B4:F0:AB:1C:05:93      }            #pragma mark IP      /**      *  @Author,15-03-24 09:07:06      *      *  Get IP Address      *      *  #import <ifaddrs.h>      *      *  #import <arpa/inet.h>      *      *  @return      */            - (Nsstring *)getIPAddress {                    Nsstring *address = @"error";                    struct ifaddrs *interfaces = NulL;                    struct ifaddrs *temp_addr = NulL;                    int success = 0;                    // retrIEve the current interfaces - returns 0 on success                    success = getifaddrs(&interfaces);                    if (success == 0) {                            // Loop through linked List of interfaces                            temp_addr = interfaces;                            while(temp_addr != NulL) {                                    if(temp_addr->ifa_addr->sa_family == AF_INET) {                                            // Check if interface is en0 which is the wifi connection on the iPhone                                            if([[Nsstring stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {                                                    // Get Nsstring from C String                                                    address = [Nsstring stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];                                                }                                        }                                    temp_addr = temp_addr->ifa_next;              }                        }                    // Free memory                    freeifaddrs(interfaces);                    return address;      }            #pragma mark MAC            /**            *  @Author,15-03-24 09:07:06            *            *   #include <sys/socket.h> // Per msqr            *   #include <sys/sysctl.h>            *   #include <net/if.h>            *   #include <net/if_dl.h>            *            *   Return the local MAC addy            *   Courtesy of FreeBSD Hackers email List            *   AccIDentally munged during prevIoUs update. Fixed thanks to mlamb.            *            *  @return            */            - (Nsstring *) getMacAddress      {          int mib[6];                    size_t len;                    charchar *buf;                    unsigned charchar *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,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,buf,take 2");                            return NulL;                        }                              ifm = (struct if_msghdr *)buf;                    sdl = (struct sockaddr_dl *)(ifm + 1);                    ptr = (unsigned charchar *)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 uppercaseString];                }                  - (voID)dIDReceiveMemoryWarning {                    [super dIDReceiveMemoryWarning];          // dispose of any resources that can be recreated.                          }            @end  

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