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Re: IPSec not a "supported" protocol for PPP interfaces?


On Dec 20, 2007, at 10:28 AM, Allan Nathanson wrote:

"IPSec" is not a protocol type.

OK, so why, when I call SCNetworkServiceCopyProtocols on an Apple created L2TP service, is there one named "IPSec" in the array that is returned?

CFArrayRef	services	= SCNetworkServiceCopyAll(prefs);
int		serviceCount	= CFArrayGetCount(services);

while ( serviceCount-- )
{
SCNetworkServiceRef curService = CFArrayGetValueAtIndex(services, serviceCount);
CFStringRef serviceName = SCNetworkServiceGetName(curService);

if ( CFEqual(serviceName, CFSTR("VPN (L2TP)")) )
{
SCNetworkInterfaceRef firstLayer = SCNetworkServiceGetInterface(curService);
CFArrayRef supportedProtocols = SCNetworkInterfaceGetSupportedProtocolTypes(firstLayer);

		CFShow(supportedProtocols);

CFArrayRef protocols = SCNetworkServiceCopyProtocols(curService);
int protoCount = CFArrayGetCount(protocols);

while ( protoCount-- )
{
SCNetworkProtocolRef curProto = CFArrayGetValueAtIndex(protocols, protoCount);
CFStringRef protoName = SCNetworkProtocolGetProtocolType(curProto);
CFDictionaryRef protoConfig = SCNetworkProtocolGetConfiguration(curProto);

CFShow(protoName); //Second element will be "IPSec"
CFShow(protoConfig);
}
}
}
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