擷取iOS裝置ip地址

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寫在前面

最近做關於網路介面部分,有時候為了介面安全,需要在請求介面的時候,跟後服務端約好,每一個介面需要傳遞特定的簽名資料,關於簽名演算法,服務端和移動端保持一致;當然這不是主要的,主要的是,如何擷取裝置的ip地址;廢話不多說,直接上代碼;

小tips:

Mac 終端擷取電腦ip: ifconfig | grep "inet " | grep -v 127.0.0.1

主要參考:stackoverflow

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

 1 匯入標頭檔 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 - 擷取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          //篩選出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             //輸出結果54             //   NSLog(@"%@",result);55             return YES;56         }57     }58     return NO;59 }60 61 + (NSDictionary *)getIPAddresses62 {63     NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8];64     65     // retrieve the current interfaces - returns 0 on success66     struct ifaddrs *interfaces;67     if(!getifaddrs(&interfaces)) {68         // Loop through linked list of interfaces69         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 read73             }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 memory96         freeifaddrs(interfaces);97     }98     return [addresses count] ? addresses : nil;99 }

親測可用,萬能的stackoverflow,非常感謝!

 

擷取iOS裝置ip地址