126 lines
3.7 KiB
Plaintext
126 lines
3.7 KiB
Plaintext
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#import <Cocoa/Cocoa.h>
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#if(0)
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#import <CoreWLAN/CoreWLAN.h>
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#endif
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#include <dlfcn.h>
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#include <unistd.h>
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#include <objc/objc.h>
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#include <objc/objc-runtime.h>
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#include "nsObjCExceptions.h"
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#include "nsAutoPtr.h"
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#include "nsCOMArray.h"
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#include "nsWifiMonitor.h"
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#include "nsWifiAccessPoint.h"
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// Undo bug 848435. We still sort of support running under Rosetta on
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// Snow Leopard, so we still need to support CoreWLAN, sort of. Also
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// see bug 514626. This is actually called from nsWifiScannerMac now
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// to make our patch a little more atomic.
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bool WiFiUsingSnowLeopard() {
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static int32_t gOSXVersion = 0x0;
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if (gOSXVersion == 0x0) {
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Gestalt(gestaltSystemVersion, (SInt32*)&gOSXVersion);
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}
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// Force this to act like a C++ boolean, not a Obj-C++ BOOL.
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return (gOSXVersion >= 0x00001060) ? true : false;
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}
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nsresult
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GetAccessPointsFromWLAN(nsCOMArray<nsWifiAccessPoint> &accessPoints)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
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accessPoints.Clear();
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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@try {
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NSBundle * bundle = [[[NSBundle alloc] initWithPath:@"/System/Library/Frameworks/CoreWLAN.framework"] autorelease];
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if (!bundle) {
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[pool release];
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return NS_ERROR_NOT_AVAILABLE;
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}
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Class CWI_class = [bundle classNamed:@"CWInterface"];
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if (!CWI_class) {
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[pool release];
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return NS_ERROR_NOT_AVAILABLE;
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}
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id scanResult = [[CWI_class interface] scanForNetworksWithParameters:nil error:nil];
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if (!scanResult) {
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[pool release];
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return NS_ERROR_NOT_AVAILABLE;
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}
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NSArray* scan = [NSMutableArray arrayWithArray:scanResult];
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NSEnumerator *enumerator = [scan objectEnumerator];
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while (id anObject = [enumerator nextObject]) {
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nsWifiAccessPoint* ap = new nsWifiAccessPoint();
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if (!ap) {
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[pool release];
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// [CWInterface bssidData] is deprecated on OS X 10.7 and up. Which is
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// is a pain, so we'll use it for as long as it's available.
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unsigned char macData[6] = {0};
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if ([anObject respondsToSelector:@selector(bssidData)]) {
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NSData* data = [anObject bssidData];
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if (data) {
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memcpy(macData, [data bytes], 6);
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}
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} else {
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// [CWInterface bssid] returns a string formatted "00:00:00:00:00:00".
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NSString* macString = [anObject bssid];
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if (macString && ([macString length] == 17)) {
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#define NSUInteger PRUint32
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for (NSUInteger i = 0; i < 6; ++i) {
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NSString* part = [macString substringWithRange:NSMakeRange(i * 3, 2)];
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NSScanner* scanner = [NSScanner scannerWithString:part];
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unsigned int data = 0;
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if (![scanner scanHexInt:&data]) {
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data = 0;
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}
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macData[i] = (unsigned char) data;
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}
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}
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}
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// [CWInterface rssiValue] is available on OS X 10.7 and up (and
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// [CWInterface rssi] is deprecated).
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int signal = 0;
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if ([anObject respondsToSelector:@selector(rssiValue)]) {
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#define NSInteger PRInt32
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signal = (int) ((NSInteger) [anObject rssiValue]);
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} else {
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signal = [[anObject rssi] intValue];
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}
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ap->setMac(macData);
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ap->setSignal(signal);
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ap->setSSID([[anObject ssid] UTF8String], 32);
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accessPoints.AppendObject(ap);
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}
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}
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@catch(NSException*) {
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[pool release];
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return NS_ERROR_NOT_AVAILABLE;
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}
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[pool release];
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return NS_OK;
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NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NS_ERROR_NOT_AVAILABLE);
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}
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