/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #import <Cocoa/Cocoa.h> #import <CoreWLAN/CoreWLAN.h> #include <dlfcn.h> #include <unistd.h> #include <objc/objc.h> #include <objc/objc-runtime.h> #include "nsObjCExceptions.h" #include "nsAutoPtr.h" #include "nsCOMArray.h" #include "nsWifiMonitor.h" #include "nsWifiAccessPoint.h" nsresult GetAccessPointsFromWLAN(nsCOMArray<nsWifiAccessPoint> &accessPoints) { NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN; accessPoints.Clear(); NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; @try { NSBundle * bundle = [[[NSBundle alloc] initWithPath:@"/System/Library/Frameworks/CoreWLAN.framework"] autorelease]; if (!bundle) { [pool release]; return NS_ERROR_NOT_AVAILABLE; } Class CWI_class = [bundle classNamed:@"CWInterface"]; if (!CWI_class) { [pool release]; return NS_ERROR_NOT_AVAILABLE; } id scanResult = [[CWI_class interface] scanForNetworksWithParameters:nil error:nil]; if (!scanResult) { [pool release]; return NS_ERROR_NOT_AVAILABLE; } NSArray* scan = [NSMutableArray arrayWithArray:scanResult]; NSEnumerator *enumerator = [scan objectEnumerator]; while (id anObject = [enumerator nextObject]) { auto* ap = new nsWifiAccessPoint(); if (!ap) { [pool release]; return NS_ERROR_OUT_OF_MEMORY; } // [CWInterface bssidData] is deprecated on OS X 10.7 and up. Which is // is a pain, so we'll use it for as long as it's available. unsigned char macData[6] = {0}; if ([anObject respondsToSelector:@selector(bssidData)]) { NSData* data = [anObject bssidData]; if (data) { memcpy(macData, [data bytes], 6); } } else { // [CWInterface bssid] returns a string formatted "00:00:00:00:00:00". NSString* macString = [anObject bssid]; if (macString && ([macString length] == 17)) { for (NSUInteger i = 0; i < 6; ++i) { NSString* part = [macString substringWithRange:NSMakeRange(i * 3, 2)]; NSScanner* scanner = [NSScanner scannerWithString:part]; unsigned int data = 0; if (![scanner scanHexInt:&data]) { data = 0; } macData[i] = (unsigned char) data; } } } // [CWInterface rssiValue] is available on OS X 10.7 and up (and // [CWInterface rssi] is deprecated). int signal = 0; if ([anObject respondsToSelector:@selector(rssiValue)]) { signal = (int) ((NSInteger) [anObject rssiValue]); } else { signal = [[anObject rssi] intValue]; } ap->setMac(macData); ap->setSignal(signal); ap->setSSID([[anObject ssid] UTF8String], 32); accessPoints.AppendObject(ap); } } @catch(NSException*) { [pool release]; return NS_ERROR_NOT_AVAILABLE; } [pool release]; return NS_OK; NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NS_ERROR_NOT_AVAILABLE); }