fixes #8

I'm pretty sure the problem is that OS X does not allow the WiFi chip to enter promiscuous mode while it is associated with a network. Now we force the user to disassociate right before initializing libpcap.
unixpickle · Nov 23, 2015 · 0605505 · 0605505
1 parent 17176cc
commit 0605505
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diff --git a/Wireless/ANWiFiSniffer.m b/Wireless/ANWiFiSniffer.m
@@ -79,7 +79,7 @@ - (void)backgroundThread {
                 }
                 [channelLock lock];
                 if (hopChannel) {
-                    [[interface interface] setWLANChannel:hopChannel error:nil];
+                    [interface setChannel:hopChannel.channelNumber];
                     hopChannel = nil;
                 }
                 [channelLock unlock];

diff --git a/Wireless/Tapping/ANInterface.m b/Wireless/Tapping/ANInterface.m
@@ -15,6 +15,7 @@ @implementation ANInterface
 - (id)initWithInterface:(NSString *)name {
     if ((self = [super init])) {
         interface = [[CWInterface alloc] initWithInterfaceName:name];
+        [interface disassociate];
         if (!interface) return nil;
         pcapHandle = pcap_open_live([name UTF8String], 65536, 1, 1, pcapError);
         if (!pcapHandle) return nil;