133 lines
4.8 KiB
Objective-C
133 lines
4.8 KiB
Objective-C
//
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// EspNetUtils.m
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// Esp32Mesh
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//
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// Created by AE on 2018/4/19.
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// Copyright © 2018年 AE. All rights reserved.
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//
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#import "ESPTools.h"
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#import <ifaddrs.h>
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#import <arpa/inet.h>
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#import <net/if.h>
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#import <SystemConfiguration/CaptiveNetwork.h>
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#define IOS_CELLULAR @"pdp_ip0"
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#define IOS_WIFI @"en0"
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#define IOS_VPN @"utun0"
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#define IP_ADDR_IPv4 @"ipv4"
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#define IP_ADDR_IPv6 @"ipv6"
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@implementation ESPTools
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+ (nullable NSString *)getCurrentWiFiSsid {
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NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces();
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id info = nil;
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for (NSString *ifnam in ifs) {
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info = (__bridge_transfer id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);
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if (info && [info count]) {
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break;
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}
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}
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// Key: BSSID, SSID, SSIDDATA
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return [(NSDictionary*)info objectForKey:@"SSID"];
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}
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+ (nullable NSString *)getCurrentBSSID {
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NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces();
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id info = nil;
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for (NSString *ifnam in ifs) {
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info = (__bridge_transfer id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);
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if (info && [info count]) {
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break;
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}
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}
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// Key: BSSID, SSID, SSIDDATA
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return [(NSDictionary*)info objectForKey:@"BSSID"];
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}
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+ (NSString *)getIPAddress:(BOOL)preferIPv4 {
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NSArray *searchArray = preferIPv4 ?
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@[ 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 ] :
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@[ 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 ] ;
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NSDictionary *addresses = [self getIPAddresses];
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NSLog(@"addresses: %@", addresses);
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__block NSString *address;
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[searchArray enumerateObjectsUsingBlock:^(NSString *key, NSUInteger idx, BOOL *stop) {
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address = addresses[key];
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//筛选出IP地址格式
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if([self isValidatIP:address]) *stop = YES;
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} ];
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return address ? address : @"0.0.0.0";
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}
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+ (BOOL)isValidatIP:(NSString *)ipAddress {
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if (ipAddress.length == 0) {
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return NO;
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}
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NSString *urlRegEx = @"^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
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"([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
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"([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\."
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"([01]?\\d\\d?|2[0-4]\\d|25[0-5])$";
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NSError *error;
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NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:urlRegEx options:0 error:&error];
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if (regex != nil) {
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NSTextCheckingResult *firstMatch=[regex firstMatchInString:ipAddress options:0 range:NSMakeRange(0, [ipAddress length])];
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if (firstMatch) {
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NSRange resultRange = [firstMatch rangeAtIndex:0];
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NSString *result=[ipAddress substringWithRange:resultRange];
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//输出结果
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NSLog(@"ESPTools 输出结果：%@",result);
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return YES;
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}
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}
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return NO;
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}
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+ (NSDictionary *)getIPAddresses {
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NSMutableDictionary *addresses = [NSMutableDictionary dictionaryWithCapacity:8];
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// retrieve the current interfaces - returns 0 on success
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struct ifaddrs *interfaces;
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if(!getifaddrs(&interfaces)) {
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// Loop through linked list of interfaces
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struct ifaddrs *interface;
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for(interface=interfaces; interface; interface=interface->ifa_next) {
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if(!(interface->ifa_flags & IFF_UP) /* || (interface->ifa_flags & IFF_LOOPBACK) */ ) {
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continue; // deeply nested code harder to read
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}
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const struct sockaddr_in *addr = (const struct sockaddr_in*)interface->ifa_addr;
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char addrBuf[ MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) ];
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if(addr && (addr->sin_family==AF_INET || addr->sin_family==AF_INET6)) {
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NSString *name = [NSString stringWithUTF8String:interface->ifa_name];
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NSString *type;
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if(addr->sin_family == AF_INET) {
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if(inet_ntop(AF_INET, &addr->sin_addr, addrBuf, INET_ADDRSTRLEN)) {
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type = IP_ADDR_IPv4;
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}
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} else {
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const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6*)interface->ifa_addr;
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if(inet_ntop(AF_INET6, &addr6->sin6_addr, addrBuf, INET6_ADDRSTRLEN)) {
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type = IP_ADDR_IPv6;
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}
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}
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if(type) {
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NSString *key = [NSString stringWithFormat:@"%@/%@", name, type];
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addresses[key] = [NSString stringWithUTF8String:addrBuf];
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}
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}
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}
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// Free memory
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freeifaddrs(interfaces);
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}
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return [addresses count] ? addresses : nil;
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}
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@end
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