jcs.org
iOS web browser with a focus on security and privacy
1/*
2 * Endless
3 * Copyright (c) 2014-2015 joshua stein <jcs@jcs.org>
4 *
5 * See LICENSE file for redistribution terms.
6 */
7
8#import <Foundation/Foundation.h>
9
10#include <arpa/inet.h>
11
12@implementation NSString (IPAddress)
13
14- (BOOL)isValidIPAddress
15{
16 struct in_addr dst;
17 int success;
18 const char *utf8 = [self UTF8String];
19
20 success = inet_pton(AF_INET, utf8, &dst);
21 if (success != 1) {
22 struct in6_addr dst6;
23 success = inet_pton(AF_INET6, utf8, &dst6);
24 }
25
26 return (success == 1);
27}
28
29@end