1.?? 該功能實現基于MobileApple80211框架來進行開發，而目前該框架成為了私有框架，其中的API均為私有API。

如果使用這些API可能導致應用不能上app store或者ios版本升級過程中，可能對私有api不兼容，導致程序莫名的掛掉或數據獲取失敗

2.?? 終端必須越獄，且必須把程序部署到終端的/Applications目錄下取得超級用戶權限才能獲得wifi的訪問權限

代碼

#import <Foundation/Foundation.h>

#import <CoreFoundation/CoreFoundation.h>

#include <dlfcn.h>

@interface SOLStumbler : NSObject {

??? NSMutableDictionary *networks; //Key: MAC Address (BSSID)

???

??? void *libHandle;

??? void *airportHandle;

??? int (*apple80211Open)(void *);

??? int (*apple80211Bind)(void *, NSString *);

??? int (*apple80211Close)(void *);

??? int (*associate)(void *, NSDictionary*, NSString*);

??? int (*apple80211Scan)(void *, NSArray **, void *);

}

- (NSDictionary *)networks;???????????????????????????????????????????????????????????? //returns all 802.11 scanned network(s)

- (NSDictionary *)network:(NSString *) BSSID;?????????????????? //return specific 802.11 network by BSSID (MAC Address)

- (void)scanNetworks;

- (int)numberOfNetworks;

@end

?

#import "SOLStumbler.h"

?

@implementation SOLStumbler

?

- (id)init

{

??? self = [super init];

???

??? networks = [[NSMutableDictionary alloc] init];

??? libHandle = dlopen("/System/Library/SystemConfiguration/IPConfiguration.bundle/IPConfiguration", RTLD_LAZY);

??? char *error;

??? if (libHandle == NULL && (error = dlerror()) != NULL)? {

?????? NSLog(@">>>? error %s",error);

?????? exit(1);

??? }

??? apple80211Open = dlsym(libHandle, "Apple80211Open");

??? apple80211Bind = dlsym(libHandle, "Apple80211BindToInterface");

??? apple80211Close = dlsym(libHandle, "Apple80211Close");

??? apple80211Scan = dlsym(libHandle, "Apple80211Scan");

??? apple80211Open(&airportHandle);

??? apple80211Bind(airportHandle, @"en0");

??? return self;

}

?

- (NSDictionary *)network:(NSString *) BSSID

{

??? return [networks objectForKey:@"BSSID"];

}

?

- (NSDictionary *)networks

{

??? return networks;

}

?

- (void)scanNetworks

{

??? NSLog(@"Scanning WiFi Channels...");

???

??? NSDictionary *parameters = [[NSDictionary alloc] init];

??? NSArray *scan_networks; //is a CFArrayRef of CFDictionaryRef(s) containing key/value data on each discovered network

??? apple80211Scan(airportHandle, &scan_networks, parameters);

??? NSLog(@"===-scan_networks-======%@",scan_networks);

??? for (int i = 0; i < [scan_networks count]; i++) {

?????? [networks setObject:[scan_networks objectAtIndex: i] forKey:[[scan_networks objectAtIndex: i] objectForKey:@"BSSID"]];

??? }

??? NSLog(@"Scanning WiFi Channels Finished.");

}

?

- (int)numberOfNetworks

{

??? return [networks count];

}

?

- ( NSString * ) description {

??? NSMutableString *result = [[NSMutableString alloc] initWithString:@"Networks State: \n"];

??? for (id key in networks){

?????? [result appendString:[NSString stringWithFormat:@"%@ (MAC: %@), RSSI: %@, Channel: %@ \n",

????????????????????????? ? [[networks objectForKey: key] objectForKey:@"SSID_STR"], //Station Name

????????????????????????? ? key, //Station BBSID (MAC Address)

????????????????????????? ? [[networks objectForKey: key] objectForKey:@"RSSI"], //Signal Strength

????????????????????????? ? [[networks objectForKey: key] objectForKey:@"CHANNEL"]? //Operating Channel

????????????????????????? ? ]];

??? }

??? return [NSString stringWithString:result];

}

?

- (void) dealloc {

??? apple80211Close(airportHandle);

??? [super dealloc];

}

@end

轉載于:https://www.cnblogs.com/v-jing/p/3302887.html

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