如何以编程方式获取 iPhone 的 MAC 地址和 IP 地址?
如何以编程方式获取 iPhone 的 MAC 地址和 IP 地址?
注意:自iOS7起,您将无法检索设备的MAC地址。实际MAC地址将返回一个固定值。
我一段时间前偶然发现了这个问题。最初来自这里,我进行了一些修改和清理。
使用方法如下:
InitAddresses();
GetIPAddresses();
GetHWAddresses();
int i;
NSString *deviceIP = nil;
for (i=0; i<MAXADDRS; ++i)
{
static unsigned long localHost = 0x7F000001; // 127.0.0.1
unsigned long theAddr;
theAddr = ip_addrs[i];
if (theAddr == 0) break;
if (theAddr == localHost) continue;
NSLog(@"Name: %s MAC: %s IP: %s\n", if_names[i], hw_addrs[i], ip_names[i]);
//decided what adapter you want details for
if (strncmp(if_names[i], "en", 2) == 0)
{
NSLog(@"Adapter en has a IP of %s", ip_names[i]);
}
}
根据模拟器/设备以及设备上的WIFI或蜂窝网络,适配器名称会有所不同。
ether_ntoa
警告,请查看:https://dev59.com/1WPVa4cB1Zd3GeqP4lEw#13412265 - ohho更新:这将无法在iOS 7上工作。您应该使用ASIdentifierManager。
MobileDeveloperTips网站上提供了更清晰的解决方案:
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_dl.h>
...
- (NSString *)getMacAddress
{
int mgmtInfoBase[6];
char *msgBuffer = NULL;
size_t length;
unsigned char macAddress[6];
struct if_msghdr *interfaceMsgStruct;
struct sockaddr_dl *socketStruct;
NSString *errorFlag = NULL;
// Setup the management Information Base (mib)
mgmtInfoBase[0] = CTL_NET; // Request network subsystem
mgmtInfoBase[1] = AF_ROUTE; // Routing table info
mgmtInfoBase[2] = 0;
mgmtInfoBase[3] = AF_LINK; // Request link layer information
mgmtInfoBase[4] = NET_RT_IFLIST; // Request all configured interfaces
// With all configured interfaces requested, get handle index
if ((mgmtInfoBase[5] = if_nametoindex("en0")) == 0)
errorFlag = @"if_nametoindex failure";
else
{
// Get the size of the data available (store in len)
if (sysctl(mgmtInfoBase, 6, NULL, &length, NULL, 0) < 0)
errorFlag = @"sysctl mgmtInfoBase failure";
else
{
// Alloc memory based on above call
if ((msgBuffer = malloc(length)) == NULL)
errorFlag = @"buffer allocation failure";
else
{
// Get system information, store in buffer
if (sysctl(mgmtInfoBase, 6, msgBuffer, &length, NULL, 0) < 0)
errorFlag = @"sysctl msgBuffer failure";
}
}
}
// Befor going any further...
if (errorFlag != NULL)
{
NSLog(@"Error: %@", errorFlag);
return errorFlag;
}
// Map msgbuffer to interface message structure
interfaceMsgStruct = (struct if_msghdr *) msgBuffer;
// Map to link-level socket structure
socketStruct = (struct sockaddr_dl *) (interfaceMsgStruct + 1);
// Copy link layer address data in socket structure to an array
memcpy(&macAddress, socketStruct->sdl_data + socketStruct->sdl_nlen, 6);
// Read from char array into a string object, into traditional Mac address format
NSString *macAddressString = [NSString stringWithFormat:@"%02X:%02X:%02X:%02X:%02X:%02X",
macAddress[0], macAddress[1], macAddress[2],
macAddress[3], macAddress[4], macAddress[5]];
NSLog(@"Mac Address: %@", macAddressString);
// Release the buffer memory
free(msgBuffer);
return macAddressString;
}
我希望能够返回地址,无论Wi-Fi是否启用,因此所选择的解决方案对我来说不起作用。经过一些调整后,我在某个论坛上找到了另一个调用。最终我得到了以下结果(请原谅我的生疏C语言):
#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <net/if_dl.h>
#include <ifaddrs.h>
char* getMacAddress(char* macAddress, char* ifName) {
int success;
struct ifaddrs * addrs;
struct ifaddrs * cursor;
const struct sockaddr_dl * dlAddr;
const unsigned char* base;
int i;
success = getifaddrs(&addrs) == 0;
if (success) {
cursor = addrs;
while (cursor != 0) {
if ( (cursor->ifa_addr->sa_family == AF_LINK)
&& (((const struct sockaddr_dl *) cursor->ifa_addr)->sdl_type == IFT_ETHER) && strcmp(ifName, cursor->ifa_name)==0 ) {
dlAddr = (const struct sockaddr_dl *) cursor->ifa_addr;
base = (const unsigned char*) &dlAddr->sdl_data[dlAddr->sdl_nlen];
strcpy(macAddress, "");
for (i = 0; i < dlAddr->sdl_alen; i++) {
if (i != 0) {
strcat(macAddress, ":");
}
char partialAddr[3];
sprintf(partialAddr, "%02X", base[i]);
strcat(macAddress, partialAddr);
}
}
cursor = cursor->ifa_next;
}
freeifaddrs(addrs);
}
return macAddress;
}
然后我会这样调用它,要求 en0:
char* macAddressString= (char*)malloc(18);
NSString* macAddress= [[NSString alloc] initWithCString:getMacAddress(macAddressString, "en0")
encoding:NSMacOSRomanStringEncoding];
free(macAddressString);
从iOS 7开始,当您在任何设备上请求MAC地址时,系统总是返回值02:00:00:00:00:00
。
iOS 7及以上版本中,如果您请求iOS设备的MAC地址,系统将返回值02:00:00:00:00:00。如果您需要识别设备,请改用UIDevice的identifierForVendor属性。(需要应用程序为自己的广告目的使用标识符的应用程序应考虑改用ASIdentifierManager的advertisingIdentifier属性。)
参考资料:发布说明
有很多解决方案,但我找不到一个完整的。 所以我为此做了自己的解决方案:
如何使用:
NICInfoSummary* summary = [[[NICInfoSummary alloc] init] autorelease];
// en0 is for WiFi
NICInfo* wifi_info = [summary findNICInfo:@"en0"];
// you can get mac address in 'XX-XX-XX-XX-XX-XX' form
NSString* mac_address = [wifi_info getMacAddressWithSeparator:@"-"];
// ip can be multiple
if(wifi_info.nicIPInfos.count > 0)
{
NICIPInfo* ip_info = [wifi_info.nicIPInfos objectAtIndex:0];
NSString* ip = ip_info.ip;
NSString* netmask = ip_info.netmask;
NSString* broadcast_ip = ip_info.broadcastIP;
}
else
{
NSLog(@"WiFi not connected!");
}
// 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;
}
现在,iOS 7设备总是返回MAC地址02:00:00:00:00:00。
因此,最��使用[UIDevice identifierForVendor]。
为了获取应用程序特定的唯一密钥,最好调用此方法。
类别将更加适合。
导入"UIDevice+Identifier.h"。
- (NSString *) identifierForVendor1
{
if ([[UIDevice currentDevice] respondsToSelector:@selector(identifierForVendor)]) {
return [[[UIDevice currentDevice] identifierForVendor] UUIDString];
}
return @"";
}
NSString *like_UDID=[NSString stringWithFormat:@"%@",
[[UIDevice currentDevice] identifierForVendor1]];
NSLog(@"%@",like_UDID);
@Grantland 这个“相当简洁的解决方案”看起来与我对 iPhoneDeveloperTips 解决方案进行的改进非常相似。
你可以在这里查看我的步骤: https://gist.github.com/1409855/
/* Original source code courtesy John from iOSDeveloperTips.com */
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_dl.h>
+ (NSString *)getMacAddress
{
int mgmtInfoBase[6];
char *msgBuffer = NULL;
NSString *errorFlag = NULL;
size_t length;
// Setup the management Information Base (mib)
mgmtInfoBase[0] = CTL_NET; // Request network subsystem
mgmtInfoBase[1] = AF_ROUTE; // Routing table info
mgmtInfoBase[2] = 0;
mgmtInfoBase[3] = AF_LINK; // Request link layer information
mgmtInfoBase[4] = NET_RT_IFLIST; // Request all configured interfaces
// With all configured interfaces requested, get handle index
if ((mgmtInfoBase[5] = if_nametoindex("en0")) == 0)
errorFlag = @"if_nametoindex failure";
// Get the size of the data available (store in len)
else if (sysctl(mgmtInfoBase, 6, NULL, &length, NULL, 0) < 0)
errorFlag = @"sysctl mgmtInfoBase failure";
// Alloc memory based on above call
else if ((msgBuffer = malloc(length)) == NULL)
errorFlag = @"buffer allocation failure";
// Get system information, store in buffer
else if (sysctl(mgmtInfoBase, 6, msgBuffer, &length, NULL, 0) < 0)
{
free(msgBuffer);
errorFlag = @"sysctl msgBuffer failure";
}
else
{
// Map msgbuffer to interface message structure
struct if_msghdr *interfaceMsgStruct = (struct if_msghdr *) msgBuffer;
// Map to link-level socket structure
struct sockaddr_dl *socketStruct = (struct sockaddr_dl *) (interfaceMsgStruct + 1);
// Copy link layer address data in socket structure to an array
unsigned char macAddress[6];
memcpy(&macAddress, socketStruct->sdl_data + socketStruct->sdl_nlen, 6);
// Read from char array into a string object, into traditional Mac address format
NSString *macAddressString = [NSString stringWithFormat:@"%02X:%02X:%02X:%02X:%02X:%02X",
macAddress[0], macAddress[1], macAddress[2], macAddress[3], macAddress[4], macAddress[5]];
NSLog(@"Mac Address: %@", macAddressString);
// Release the buffer memory
free(msgBuffer);
return macAddressString;
}
// Error...
NSLog(@"Error: %@", errorFlag);
return nil;
}
在iOS 6中,基于设备唯一标识符创建一个uniqueString的方法如下:
#import <AdSupport/ASIdentifierManager.h>
NSString *uniqueString = [[[ASIdentifierManager sharedManager] advertisingIdentifier] UUIDString];
NSLog(@"uniqueString: %@", uniqueString);