获取iOS设备ip地址

 

写在前面

最近做关于网络接口部分,有时候为了接口安全,需要在请求接口的时候,跟后服务端约好,每一个接口需要传递特定的签名数据,关于签名算法,服务端和移动端保持一致;当然这不是主要的,主要的是,如何获取设备的ip地址;废话不多说,直接上代码;

小tips:

Mac 终端获取电脑ip: ifconfig | grep "inet " | grep -v 127.0.0.1

主要参考:stackoverflow

1 http://stackoverflow.com/questions/7072989/iphone-ipad-osx-how-to-get-my-ip-address-programmatically/10803584#10803584

 1 导入头文件
 2 #include <ifaddrs.h>
 3 #include <arpa/inet.h>
 4 #include <net/if.h>
 5 
 6 #define IOS_CELLULAR    @"pdp_ip0"
 7 #define IOS_WIFI        @"en0"
 8 #define IOS_VPN         @"utun0"
 9 #define IP_ADDR_IPv4    @"ipv4"
10 #define IP_ADDR_IPv6    @"ipv6"
11 
12 
13 
14 #pragma mark - 获取ip地址
15 + (NSString *)getIPAddress:(BOOL)preferIPv4{
16     NSArray *searchArray = preferIPv4 ?
17     @[ IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6 ] :
18     @[ IOS_VPN @"/" IP_ADDR_IPv6, IOS_VPN @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6, IOS_WIFI @"/" IP_ADDR_IPv4, IOS_CELLULAR @"/" IP_ADDR_IPv6, IOS_CELLULAR @"/" IP_ADDR_IPv4 ] ;
19     
20     NSDictionary *addresses = [self getIPAddresses];
21     
22     //    NSLog(@"addresses: %@", addresses);
23     
24     __block NSString *address;
25     [searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop)
26      {
27          address = addresses[key];
28          //筛选出IP地址格式
29          if([self isValidatIP:address]) *stop = YES;
30      } ];
31     return address ? address : @"0.0.0.0";
32 
33 }
34 
35 + (BOOL)isValidatIP:(NSString *)ipAddress {
36     if (ipAddress.length == 0) {
37         return NO;
38     }
39     NSString *urlRegEx = @"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
40     "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
41     "([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
42     "([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";
43     
44     NSError *error;
45     NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:urlRegEx options:0 error:&error];
46     
47     if (regex != nil) {
48         NSTextCheckingResult *firstMatch=[regex firstMatchInString:ipAddress options:0 range:NSMakeRange(0, [ipAddress length])];
49         
50         if (firstMatch) {
51             NSRange resultRange = [firstMatch rangeAtIndex:0];
52             NSString *result=[ipAddress substringWithRange:resultRange];
53             //输出结果
54             //   NSLog(@"%@",result);
55             return YES;
56         }
57     }
58     return NO;
59 }
60 
61 + (NSDictionary *)getIPAddresses
62 {
63     NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8];
64     
65     // retrieve the current interfaces - returns 0 on success
66     struct ifaddrs *interfaces;
67     if(!getifaddrs(&interfaces)) {
68         // Loop through linked list of interfaces
69         struct ifaddrs *interface;
70         for(interface=interfaces; interface; interface=interface->ifa_next) {
71             if(!(interface->ifa_flags & IFF_UP) /* || (interface->ifa_flags & IFF_LOOPBACK) */ ) {
72                 continue; // deeply nested code harder to read
73             }
74             const struct sockaddr_in *addr = (const struct sockaddr_in*)interface->ifa_addr;
75             char addrBuf[ MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) ];
76             if(addr && (addr->sin_family==AF_INET || addr->sin_family==AF_INET6)) {
77                 NSString *name = [NSString stringWithUTF8String:interface->ifa_name];
78                 NSString *type;
79                 if(addr->sin_family == AF_INET) {
80                     if(inet_ntop(AF_INET, &addr->sin_addr, addrBuf, INET_ADDRSTRLEN)) {
81                         type = IP_ADDR_IPv4;
82                     }
83                 } else {
84                     const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*)interface->ifa_addr;
85                     if(inet_ntop(AF_INET6, &addr6->sin6_addr, addrBuf, INET6_ADDRSTRLEN)) {
86                         type = IP_ADDR_IPv6;
87                     }
88                 }
89                 if(type) {
90                     NSString *key = [NSString stringWithFormat:@"%@/%@", name, type];
91                     addresses[key] = [NSString stringWithUTF8String:addrBuf];
92                 }
93             }
94         }
95         // Free memory
96         freeifaddrs(interfaces);
97     }
98     return [addresses count] ? addresses : nil;
99 }

亲测可用,万能的stackoverflow,非常感谢!

 

posted @ 2016-07-05 16:29  李lucy  阅读(1012)  评论(2)  编辑  收藏  举报