EscrowRequestXPCServer.m   [plain text]

/*
* Copyright (c) 2019 Apple Inc. All Rights Reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
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* 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
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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#import <Foundation/Foundation.h>
#import <objc/runtime.h>
#import <Foundation/NSXPCConnection_Private.h>

#import "utilities/debugging.h"
#import <Security/SecEntitlements.h>
#import "keychain/escrowrequest/EscrowRequestServer.h"
#import "keychain/escrowrequest/EscrowRequestXPCServer.h"
#import "keychain/escrowrequest/EscrowRequestXPCProtocol.h"
#import "keychain/categories/NSError+UsefulConstructors.h"

@interface EscrowRequestXPCServer : NSObject <NSXPCListenerDelegate>
@end

@implementation EscrowRequestXPCServer

- (BOOL)listener:(__unused NSXPCListener *)listener shouldAcceptNewConnection:(NSXPCConnection *)newConnection
{
NSNumber *num = [newConnection valueForEntitlement:kSecEntitlementPrivateEscrowRequest];
if (![num isKindOfClass:[NSNumber class]] || ![num boolValue]) {
secerror("escrow-update: Client pid: %d doesn't have entitlement: %@",
[newConnection processIdentifier], kSecEntitlementPrivateEscrowRequest);
return NO;
}

secnotice("escrowrequest", "received connection from client pid %d", [newConnection processIdentifier]);
newConnection.exportedInterface = SecEscrowRequestSetupControlProtocol([NSXPCInterface interfaceWithProtocol:@protocol(EscrowRequestXPCProtocol)]);

newConnection.exportedObject = [EscrowRequestServer server];

[newConnection resume];

return YES;
}
@end

void
EscrowRequestXPCServerInitialize(void)
{
static dispatch_once_t once;
static EscrowRequestXPCServer *server;
static NSXPCListener *listener;

dispatch_once(&once, ^{
@autoreleasepool {
server = [EscrowRequestXPCServer new];

listener = [[NSXPCListener alloc] initWithMachServiceName:@(kSecuritydEscrowRequestServiceName)];
listener.delegate = server;
[listener resume];
}
});
}