iphone设备mac地址及IP地址的获取

mac地址获取:(iOS7已废用)

#import <sys/sysctl.h>
#import <net/if.h>
#import <net/if_dl.h>
macaddress
 1 + (NSString *)getMacAddress
 2 {
 3     int                 mgmtInfoBase[6];
 4     char                *msgBuffer = NULL;
 5     size_t              length;
 6     unsigned char       macAddress[6];
 7     struct if_msghdr    *interfaceMsgStruct;
 8     struct sockaddr_dl  *socketStruct;
 9     NSString            *errorFlag = NULL;
10     
11     // Setup the management Information Base (mib)
12     mgmtInfoBase[0] = CTL_NET;        // Request network subsystem
13     mgmtInfoBase[1] = AF_ROUTE;       // Routing table info
14     mgmtInfoBase[2] = 0;
15     mgmtInfoBase[3] = AF_LINK;        // Request link layer information
16     mgmtInfoBase[4] = NET_RT_IFLIST;  // Request all configured interfaces
17     
18     // With all configured interfaces requested, get handle index
19     if ((mgmtInfoBase[5] = if_nametoindex("en0")) == 0)
20         errorFlag = @"if_nametoindex failure";
21     else
22     {
23         // Get the size of the data available (store in len)
24         if (sysctl(mgmtInfoBase, 6, NULL, &length, NULL, 0) < 0)
25             errorFlag = @"sysctl mgmtInfoBase failure";
26         else
27         {
28             // Alloc memory based on above call
29             if ((msgBuffer = malloc(length)) == NULL)
30                 errorFlag = @"buffer allocation failure";
31             else
32             {
33                 // Get system information, store in buffer
34                 if (sysctl(mgmtInfoBase, 6, msgBuffer, &length, NULL, 0) < 0)
35                     errorFlag = @"sysctl msgBuffer failure";
36             }
37         }
38     }
39     // Befor going any further...
40     if (errorFlag != NULL)
41     {
42         NSLog(@"Error: %@", errorFlag);
43         return errorFlag;
44     }
45     
46     // Map msgbuffer to interface message structure
47     interfaceMsgStruct = (struct if_msghdr *) msgBuffer;
48     
49     // Map to link-level socket structure
50     socketStruct = (struct sockaddr_dl *) (interfaceMsgStruct + 1);
51     
52     // Copy link layer address data in socket structure to an array
53     memcpy(&macAddress, socketStruct->sdl_data + socketStruct->sdl_nlen, 6);
54     
55     // Read from char array into a string object, into traditional Mac address format
56     NSString *macAddressString = [NSString stringWithFormat:@"%02x:%02x:%02x:%02x:%02x:%02x",
57                                   macAddress[0], macAddress[1], macAddress[2],
58                                   macAddress[3], macAddress[4], macAddress[5]];
59     NSLog(@"Mac Address: %@", macAddressString);
60     
61     // Release the buffer memory
62     free(msgBuffer);
63     
64     return macAddressString;
65 }
View Code

IP地址获取:

#include <ifaddrs.h>
#include <arpa/inet.h>
ipaddress
 1 + (NSString *)getIPAddress
 2 {
 3     NSString *address = @"error";
 4     struct ifaddrs *interfaces = NULL;
 5     struct ifaddrs *temp_addr = NULL;
 6     int success = 0;
 7     // retrieve the current interfaces - returns 0 on success
 8     success = getifaddrs(&interfaces);
 9     if (success == 0)
10     {
11         // Loop through linked list of interfaces
12         temp_addr = interfaces;
13         while(temp_addr != NULL)
14         {
15             if(temp_addr->ifa_addr->sa_family == AF_INET)
16             {
17                 // Check if interface is en0 which is the wifi connection on the iPhone
18                 if([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"])
19                 {
20                     // Get NSString from C String
21                     address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];
22                 }
23             }
24             temp_addr = temp_addr->ifa_next;
25         }
26     }
27     // Free memory
28     freeifaddrs(interfaces);
29     return address;
30 }
View Code
原文地址:https://www.cnblogs.com/gpengf/p/3824214.html