agent-monitor.m   [plain text]

/*
* Copyright (c) 2015-2018 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/

#import "controller.h"

static Boolean
haveNetworkExtensionFramework()
{
Boolean haveFramework;

haveFramework = ([NEPolicy class] != nil);
return haveFramework;
}

void
process_AgentMonitor(void)
{
if (!haveNetworkExtensionFramework()) {
return;
}

SC_log(LOG_DEBUG, "Triggering AgentMonitor");
@autoreleasepool {
AgentController *controller = [AgentController sharedController];
if (controller == nil) {
SC_log(LOG_ERR, "AgentController could not be initialized");
return;
}

dispatch_sync(controller.controllerQueue, ^{
[[AgentController sharedController] processDNSChanges];
[[AgentController sharedController] processProxyChanges];
});
}

return;
}

void
process_AgentMonitor_DNS(void)
{
if (!haveNetworkExtensionFramework()) {
return;
}

SC_log(LOG_DEBUG, "Triggering AgentMonitor for DNS");
@autoreleasepool {
AgentController *controller = [AgentController sharedController];
if (controller == nil) {
SC_log(LOG_ERR, "AgentController could not be initialized");
return;
}

dispatch_sync(controller.controllerQueue, ^{
[[AgentController sharedController] processDNSChanges];
});
}

return;
}

void
process_AgentMonitor_Proxy(void)
{
if (!haveNetworkExtensionFramework()) {
return;
}

SC_log(LOG_DEBUG, "Triggering AgentMonitor for Proxy");
@autoreleasepool {
AgentController *controller = [AgentController sharedController];
if (controller == nil) {
SC_log(LOG_ERR, "AgentController could not be initialized");
return;
}

dispatch_sync(controller.controllerQueue, ^{
[[AgentController sharedController] processProxyChanges];
});
}

return;
}

const void *
copy_proxy_information_for_agent_uuid(uuid_t uuid, uint64_t *length)
{
__block const void *buffer = NULL;

if (!haveNetworkExtensionFramework()) {
return NULL;
}

@autoreleasepool {
AgentController *controller = [AgentController sharedController];
if (controller == nil) {
SC_log(LOG_ERR, "AgentController could not be initialized");
return NULL;
}

dispatch_sync(controller.controllerQueue, ^{
buffer = [[AgentController sharedController] copyProxyAgentData:uuid
length:length];
});
}

return buffer;
}

const void *
copy_dns_information_for_agent_uuid(uuid_t uuid, uint64_t *length)
{
__block const void *buffer = NULL;

if (!haveNetworkExtensionFramework()) {
return NULL;
}

@autoreleasepool {
AgentController *controller = [AgentController sharedController];
if (controller == nil) {
SC_log(LOG_ERR, "AgentController could not be initialized");
return NULL;
}

dispatch_sync(controller.controllerQueue, ^{
buffer = [[AgentController sharedController] copyDNSAgentData:uuid
length:length];
});
}

return buffer;
}