[英]iPhone get SSID without private library
我有一個商業應用程序,它有完全合法的理由來查看其連接到的網絡的SSID:如果將其連接到第三方硬件設備的Adhoc網絡,則其工作方式必須與正常情況不同。連接到互聯網。
我所看到的有關獲取SSID的所有信息都告訴我必須使用Apple80211,據我了解,這是一個私有庫。 我還讀到,如果我使用私有庫,Apple不會批准該應用程序。
我是被困在一個蘋果和一個困難的地方之間,還是在這里我缺少什么?
從iOS 7或8開始,您可以執行此操作(需要iOS 12+的權利,如下所示):
@import SystemConfiguration.CaptiveNetwork;
/** Returns first non-empty SSID network info dictionary.
* @see CNCopyCurrentNetworkInfo */
- (NSDictionary *)fetchSSIDInfo {
NSArray *interfaceNames = CFBridgingRelease(CNCopySupportedInterfaces());
NSLog(@"%s: Supported interfaces: %@", __func__, interfaceNames);
NSDictionary *SSIDInfo;
for (NSString *interfaceName in interfaceNames) {
SSIDInfo = CFBridgingRelease(
CNCopyCurrentNetworkInfo((__bridge CFStringRef)interfaceName));
NSLog(@"%s: %@ => %@", __func__, interfaceName, SSIDInfo);
BOOL isNotEmpty = (SSIDInfo.count > 0);
if (isNotEmpty) {
break;
}
}
return SSIDInfo;
}
輸出示例:
2011-03-04 15:32:00.669 ShowSSID[4857:307] -[ShowSSIDAppDelegate fetchSSIDInfo]: Supported interfaces: (
en0
)
2011-03-04 15:32:00.693 ShowSSID[4857:307] -[ShowSSIDAppDelegate fetchSSIDInfo]: en0 => {
BSSID = "ca:fe:ca:fe:ca:fe";
SSID = XXXX;
SSIDDATA = <01234567 01234567 01234567>;
}
請注意,模擬器上不支持ifs。 在您的設備上測試。
您必須從功能啟用訪問wifi信息。
重要提示要在iOS 12及更高版本中使用此功能,請在Xcode中為您的應用啟用訪問WiFi信息功能。 啟用此功能后,Xcode會自動將Access WiFi Information授權添加到您的授權文件和App ID中。 文檔鏈接
斯威夫特4.2
func getConnectedWifiInfo() -> [AnyHashable: Any]? {
if let ifs = CFBridgingRetain( CNCopySupportedInterfaces()) as? [String],
let ifName = ifs.first as CFString?,
let info = CFBridgingRetain( CNCopyCurrentNetworkInfo((ifName))) as? [AnyHashable: Any] {
return info
}
return nil
}
這是基於@elsurudo的代碼的清理后的ARC版本:
- (id)fetchSSIDInfo {
NSArray *ifs = (__bridge_transfer NSArray *)CNCopySupportedInterfaces();
NSLog(@"Supported interfaces: %@", ifs);
NSDictionary *info;
for (NSString *ifnam in ifs) {
info = (__bridge_transfer NSDictionary *)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);
NSLog(@"%@ => %@", ifnam, info);
if (info && [info count]) { break; }
}
return info;
}
iOS 10中不再棄用CNCopySupportedInterfaces。( API參考 )
您需要導入SystemConfiguration / CaptiveNetwork.h並將SystemConfiguration.framework添加到目標的鏈接庫(在構建階段)。
這是swift的代碼片段(RikiRiocma的答案) :
import Foundation
import SystemConfiguration.CaptiveNetwork
public class SSID {
class func fetchSSIDInfo() -> String {
var currentSSID = ""
if let interfaces = CNCopySupportedInterfaces() {
for i in 0..<CFArrayGetCount(interfaces) {
let interfaceName: UnsafePointer<Void> = CFArrayGetValueAtIndex(interfaces, i)
let rec = unsafeBitCast(interfaceName, AnyObject.self)
let unsafeInterfaceData = CNCopyCurrentNetworkInfo("\(rec)")
if unsafeInterfaceData != nil {
let interfaceData = unsafeInterfaceData! as Dictionary!
currentSSID = interfaceData["SSID"] as! String
}
}
}
return currentSSID
}
}
( 重要: CNCopySupportedInterfaces在模擬器上返回nil。)
對於Objective-c,請參見此處和下方的Esad答案
+ (NSString *)GetCurrentWifiHotSpotName {
NSString *wifiName = nil;
NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces();
for (NSString *ifnam in ifs) {
NSDictionary *info = (__bridge_transfer id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);
if (info[@"SSID"]) {
wifiName = info[@"SSID"];
}
}
return wifiName;
}
從iOS 9開始,不提倡使用Captive Network *。 ( 來源 )
* iOS 10中不再棄用,請參見上文。
建議您使用NEHotspotHelper( 源代碼 )
您將需要向apple發送電子郵件至networkextension@apple.com並請求權利。 ( 來源 )
示例代碼( 不是我的代碼。請參見Pablo A的答案 ):
for(NEHotspotNetwork *hotspotNetwork in [NEHotspotHelper supportedNetworkInterfaces]) {
NSString *ssid = hotspotNetwork.SSID;
NSString *bssid = hotspotNetwork.BSSID;
BOOL secure = hotspotNetwork.secure;
BOOL autoJoined = hotspotNetwork.autoJoined;
double signalStrength = hotspotNetwork.signalStrength;
}
旁注:是的,他們在iOS 9中棄用了CNCopySupportedInterfaces,並改變了它們在iOS 10中的位置。我與一位蘋果網絡工程師進行了交談,在有很多人提交Radars並在Apple Developer論壇上討論了該問題之后,情況發生了逆轉。
這對我在設備(而不是模擬器)上有效。 確保添加系統配置框架。
#import <SystemConfiguration/CaptiveNetwork.h>
+ (NSString *)currentWifiSSID {
// Does not work on the simulator.
NSString *ssid = nil;
NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces();
for (NSString *ifnam in ifs) {
NSDictionary *info = (__bridge_transfer id)CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam);
if (info[@"SSID"]) {
ssid = info[@"SSID"];
}
}
return ssid;
}
此代碼可以很好地獲得SSID。
#import <SystemConfiguration/CaptiveNetwork.h>
@implementation IODAppDelegate
@synthesize window = _window;
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
CFArrayRef myArray = CNCopySupportedInterfaces();
CFDictionaryRef myDict = CNCopyCurrentNetworkInfo(CFArrayGetValueAtIndex(myArray, 0));
NSLog(@"Connected at:%@",myDict);
NSDictionary *myDictionary = (__bridge_transfer NSDictionary*)myDict;
NSString * BSSID = [myDictionary objectForKey:@"BSSID"];
NSLog(@"bssid is %@",BSSID);
// Override point for customization after application launch.
return YES;
}
這是結果:
Connected at:{
BSSID = 0;
SSID = "Eqra'aOrange";
SSIDDATA = <45717261 27614f72 616e6765>;
}
如果您運行的是iOS 12,則需要執行額外的步驟。 我一直在努力使此代碼起作用,並最終在Apple網站上找到了該代碼:“重要要在iOS 12及更高版本中使用此功能,請在Xcode中為您的應用啟用Access WiFi Information功能。啟用此功能時,Xcode會自動將訪問WiFi信息權利添加到您的權利文件和應用ID中。” https://developer.apple.com/documentation/systemconfiguration/1614126-cncopycurrentnetworkinfo
請參閱CaptiveNetwork中的CNCopyCurrentNetworkInfo: http : //developer.apple.com/library/ios/#documentation/SystemConfiguration/Reference/CaptiveNetworkRef/Reference/reference.html 。
這是簡短而可愛的Swift版本。
記住要鏈接並導入框架:
import UIKit
import SystemConfiguration.CaptiveNetwork
定義方法:
func fetchSSIDInfo() -> CFDictionary? {
if let
ifs = CNCopySupportedInterfaces().takeUnretainedValue() as? [String],
ifName = ifs.first,
info = CNCopyCurrentNetworkInfo((ifName as CFStringRef))
{
return info.takeUnretainedValue()
}
return nil
}
在需要時調用該方法:
if let
ssidInfo = fetchSSIDInfo() as? [String:AnyObject],
ssID = ssidInfo["SSID"] as? String
{
println("SSID: \(ssID)")
} else {
println("SSID not found")
}
如其他地方所述,這僅適用於您的iDevice。 不使用WiFi時,該方法將返回nil-因此是可選的。
從iOS 13 CNCopyCurrentNetworkInfo
除非您配置了當前網絡或具有VPN配置,否則您的應用還需要訪問核心位置才能使用CNCopyCurrentNetworkInfo
函數 :
這就是您所需要的(請參閱Apple文檔 ):
-鏈接CoreLocation.framework
庫
-在Info.plist中將location-services
添加為UIRequiredDeviceCapabilities
鍵/值
-在Info.plist中添加NSLocationWhenInUseUsageDescription
鍵/值,以描述您的應用為何需要核心位置的原因
-為您的應用添加“訪問WiFi信息”權利
現在作為一個Objective-C示例,首先使用CNCopyCurrentNetworkInfo
讀取網絡信息之前,先檢查是否已接受位置訪問:
- (void)fetchSSIDInfo {
NSString *ssid = NSLocalizedString(@"not_found", nil);
if (@available(iOS 13.0, *)) {
if ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusDenied) {
NSLog(@"User has explicitly denied authorization for this application, or location services are disabled in Settings.");
} else {
CLLocationManager* cllocation = [[CLLocationManager alloc] init];
if(![CLLocationManager locationServicesEnabled] || [CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined){
[cllocation requestWhenInUseAuthorization];
usleep(500);
return [self fetchSSIDInfo];
}
}
}
NSArray *ifs = (__bridge_transfer id)CNCopySupportedInterfaces();
id info = nil;
for (NSString *ifnam in ifs) {
info = (__bridge_transfer id)CNCopyCurrentNetworkInfo(
(__bridge CFStringRef)ifnam);
NSDictionary *infoDict = (NSDictionary *)info;
for (NSString *key in infoDict.allKeys) {
if ([key isEqualToString:@"SSID"]) {
ssid = [infoDict objectForKey:key];
}
}
}
...
...
}
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