Re: Switching Airport of in code using SCF

Hi

All I'm attempting to do is turn of Airport using the System Configuration Framework

I guessed the clue was in the key kSCPropNetAirPortPowerEnabled so I whipped up some code but it doesn't appear to work. If anyone can shed some light on this I'd be very grateful.

This is the code (there may be a few release functions missing). The program actually flows without any problems and returns zero but nothing in the SystemConfig changes.

static SCDynamicStoreRef storeRef = nil;

static SCPreferencesRef gPrefsRef = nil;

int main (int argc, const char * argv[]) {

    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];

SCNetworkInterfaceRef interfaceRef;

CFArrayRef interfaces = nil;

CFIndex interfaceCount;

CFIndex interfaceIndex;

storeRef = SCDynamicStoreCreate(nil, CFSTR("interfaceConfig"), nil, nil);

if (storeRef == nil) 

errorAndExit("InterfaceConfig failure: SCDynamicStoreCreate failed");

gPrefsRef = SCPreferencesCreate(nil, CFSTR("InterfaceConfig"), nil);

if (gPrefsRef == nil) 

errorAndExit("InterfaceConfig failure: SCPreferencesCreate failed");

if (!SCPreferencesLock(gPrefsRef, YES)) 

errorAndExit("InterfaceConfig failure: SCPreferencesLock could not get a lock");

interfaces = SCNetworkInterfaceCopyAll();

if (interfaces == nil)

errorAndExit("InterfaceConfig failure: SCNetworkInterfaceCopyAll return nil interfaces");

interfaceCount = CFArrayGetCount(interfaces);

for (interfaceIndex = 0; interfaceIndex < interfaceCount; interfaceIndex++) {

interfaceRef = CFArrayGetValueAtIndex(interfaces, interfaceIndex);

if (isInterfaceOfType(interfaceRef, kSCNetworkInterfaceTypeIEEE80211)) {

// Airport interface needs to be powered off

CFDictionaryRef dict = (CFMutableDictionaryRef)[NSMutableDictionary dictionaryWithObjectsAndKeys:(NSString *)kSCValNetAirPortJoinModeAutomatic,

(NSString *)kSCPropNetAirPortJoinMode,

[NSNumber numberWithInt:0],

(NSString *)kSCPropNetAirPortPowerEnabled, nil];

if (SCNetworkInterfaceSetConfiguration(interfaceRef, dict) == NO) {

syslog(LOG_LOCAL7 | LOG_ALERT, "InterfaceConfig failure: Could not set Airport interface settings");

}

}

}

if (SCPreferencesCommitChanges(gPrefsRef) == NO)

errorAndExit("InterfaceConfig failure: SCPreferencesCommitChanges failed");

if (SCPreferencesApplyChanges(gPrefsRef) == NO)

errorAndExit("InterfaceConfig failure: SCPreferencesApplyChanges failed");

SCPreferencesUnlock(gPrefsRef);

CFRelease(gPrefsRef);

CFRelease(storeRef);

[pool release];

    return 0;

}

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