supd/main.m

   1 /*
   2  * Copyright (c) 2017 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #import <Foundation/Foundation.h>
  25 #import "supd.h"
  26 #include "debugging.h"
  27 #import <Foundation/NSXPCConnection_Private.h>
  28 #include <xpc/private.h>
  29
  30 @interface ServiceDelegate : NSObject <NSXPCListenerDelegate>
  31 @end
  32
  33 @implementation ServiceDelegate
  34
  35 - (BOOL)listener:(NSXPCListener *)listener shouldAcceptNewConnection:(NSXPCConnection *)newConnection {
  36     NSNumber *num = [newConnection valueForEntitlement:@"com.apple.private.securityuploadd"];
  37     if (![num isKindOfClass:[NSNumber class]] || ![num boolValue]) {
  38         secerror("xpc: Client (pid: %d) doesn't have entitlement", [newConnection processIdentifier]);
  39         return NO;
  40     } else {
  41         secinfo("xpc", "Client (pid: %d) properly entitled, let's go", [newConnection processIdentifier]);
  42     }
  43
  44     newConnection.exportedInterface = [NSXPCInterface interfaceWithProtocol:@protocol(supdProtocol)];
  45     supd *exportedObject = [supd instance];
  46     newConnection.exportedObject = exportedObject;
  47     [newConnection resume];
  48     return YES;
  49 }
  50
  51 @end
  52
  53 int main(int argc, const char *argv[])
  54 {
  55     secnotice("lifecycle", "supd lives!");
  56     ServiceDelegate *delegate = [ServiceDelegate new];
  57
  58     // kick the singleton so it can register its xpc activity handler
  59     [supd instantiate];
  60
  61     NSXPCListener *listener = [[NSXPCListener alloc] initWithMachServiceName:@"com.apple.securityuploadd"];
  62     listener.delegate = delegate;
  63
  64     // We're always launched in response to client activity and don't want to sit around idle.
  65     dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 5ull * NSEC_PER_SEC), dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
  66         secnotice("lifecycle", "will exit when clean");
  67         xpc_transaction_exit_clean();
  68     });
  69
  70     [listener resume];
  71     [[NSRunLoop currentRunLoop] run];
  72     return 0;
  73 }