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/*
* Copyright (C) 2013 Martin Willi
* Copyright (C) 2013 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#import <Foundation/Foundation.h>
/**
* Privileged Helper abstraction.
*
* Manages the installation of the privileged helper charon-xpc binary
* using authorization, SMJobBless() installation using XPC and also
* checks the installed helper version.
*/
@interface Helper : NSObject
/**
* Get the XPC connection singleton, installing helper if requried
*
* @return XPC service connection, as a singleton
*/
- (xpc_connection_t)getConnection;
/**
* Return an errror string if if getConnection fails
*
* @return error string, unretained
*/
- (NSString*)getError;
@end
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