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/* 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);
}
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