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 #include <TargetConditionals.h>
  25
  26 #if TARGET_OS_SIMULATOR
  27
  28 int main(int argc, char** argv)
  29 {
  30     return 0;
  31 }
  32
  33 #else
  34
  35 #import <Foundation/Foundation.h>
  36 #import "supd.h"
  37 #include "debugging.h"
  38 #import <Foundation/NSXPCConnection_Private.h>
  39 #include <xpc/private.h>
  40
  41 @interface ServiceDelegate : NSObject <NSXPCListenerDelegate>
  42 @end
  43
  44 @implementation ServiceDelegate
  45
  46 - (BOOL)listener:(NSXPCListener *)listener shouldAcceptNewConnection:(NSXPCConnection *)newConnection {
  47     NSNumber *num = [newConnection valueForEntitlement:@"com.apple.private.securityuploadd"];
  48     if (![num isKindOfClass:[NSNumber class]] || ![num boolValue]) {
  49         secerror("xpc: Client (pid: %d) doesn't have entitlement", [newConnection processIdentifier]);
  50         return NO;
  51     } else {
  52         secinfo("xpc", "Client (pid: %d) properly entitled, let's go", [newConnection processIdentifier]);
  53     }
  54
  55     newConnection.exportedInterface = [NSXPCInterface interfaceWithProtocol:@protocol(supdProtocol)];
  56     supd *exportedObject = [supd instance];
  57     newConnection.exportedObject = exportedObject;
  58     [newConnection resume];
  59     return YES;
  60 }
  61
  62 @end
  63
  64 int main(int argc, const char *argv[])
  65 {
  66     secnotice("lifecycle", "supd lives!");
  67     ServiceDelegate *delegate = [ServiceDelegate new];
  68
  69     // kick the singleton so it can register its xpc activity handler
  70     [supd instantiate];
  71
  72     NSXPCListener *listener = [[NSXPCListener alloc] initWithMachServiceName:@"com.apple.securityuploadd"];
  73     listener.delegate = delegate;
  74
  75     // We're always launched in response to client activity and don't want to sit around idle.
  76     dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 5ull * NSEC_PER_SEC), dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
  77         secnotice("lifecycle", "will exit when clean");
  78         xpc_transaction_exit_clean();
  79     });
  80
  81     [listener resume];
  82     [[NSRunLoop currentRunLoop] run];
  83     return 0;
  84 }
  85
  86 #endif  // !TARGET_OS_SIMULATOR