/* * Copyright (c) 2014 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@ */ #include "application.h" #include <libproc.h> #include <CoreFoundation/CFBundlePriv.h> #include <Security/Security.h> dispatch_queue_t __ApplicationGetQueue( void ) { static dispatch_once_t once; static dispatch_queue_t queue; dispatch_once( &once, ^ { queue = dispatch_queue_create( 0, 0 ); } ); return queue; } CFBundleRef _ApplicationCopyBundle( pid_t processID ) { __block CFBundleRef bundle = 0; dispatch_sync( __ApplicationGetQueue( ), ^ { int length; uint8_t path[ PROC_PIDPATHINFO_MAXSIZE ]; length = proc_pidpath( processID, path, PROC_PIDPATHINFO_MAXSIZE ); if ( length ) { CFURLRef url; url = CFURLCreateFromFileSystemRepresentation( kCFAllocatorDefault, path, length, TRUE ); if ( url ) { bundle = _CFBundleCreateWithExecutableURLIfMightBeBundle( kCFAllocatorDefault, url ); CFRelease( url ); } } } ); return bundle; } CFStringRef _ApplicationCopyIdentifier( pid_t processID ) { __block CFStringRef identifier = 0; dispatch_sync( __ApplicationGetQueue( ), ^ { CFMutableDictionaryRef attributes; attributes = CFDictionaryCreateMutable( kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks ); if ( attributes ) { CFNumberRef number; number = CFNumberCreate( kCFAllocatorDefault, kCFNumberIntType, &processID ); if ( number ) { SecCodeRef code = 0; CFDictionarySetValue( attributes, kSecGuestAttributePid, number ); SecCodeCopyGuestWithAttributes( 0, attributes, kSecCSDefaultFlags, &code ); if ( code ) { CFDictionaryRef information = 0; SecCodeCopySigningInformation( code, kSecCSDefaultFlags, &information ); if ( information ) { identifier = CFDictionaryGetValue( information, kSecCodeInfoIdentifier ); if ( identifier ) { CFRetain( identifier ); } CFRelease( information ); } CFRelease( code ); } CFRelease( number ); } CFRelease( attributes ); } } ); return identifier; }