/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019, 2020
* Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFSandbox.h"
#import "OFArray.h"
#import "OFPair.h"
#import "OFString.h"
@implementation OFSandbox
@synthesize unveiledPaths = _unveiledPaths;
+ (instancetype)sandbox
{
return [[[self alloc] init] autorelease];
}
- (instancetype)init
{
self = [super init];
@try {
_unveiledPaths = [[OFMutableArray alloc] init];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_unveiledPaths release];
[super dealloc];
}
- (void)setAllowsStdIO: (bool)allowsStdIO
{
_allowsStdIO = allowsStdIO;
}
- (bool)allowsStdIO
{
return _allowsStdIO;
}
- (void)setAllowsReadingFiles: (bool)allowsReadingFiles
{
_allowsReadingFiles = allowsReadingFiles;
}
- (bool)allowsReadingFiles
{
return _allowsReadingFiles;
}
- (void)setAllowsWritingFiles: (bool)allowsWritingFiles
{
_allowsWritingFiles = allowsWritingFiles;
}
- (bool)allowsWritingFiles
{
return _allowsWritingFiles;
}
- (void)setAllowsCreatingFiles: (bool)allowsCreatingFiles
{
_allowsCreatingFiles = allowsCreatingFiles;
}
- (bool)allowsCreatingFiles
{
return _allowsCreatingFiles;
}
- (void)setAllowsCreatingSpecialFiles: (bool)allowsCreatingSpecialFiles
{
_allowsCreatingSpecialFiles = allowsCreatingSpecialFiles;
}
- (bool)allowsCreatingSpecialFiles
{
return _allowsCreatingSpecialFiles;
}
- (void)setAllowsTemporaryFiles: (bool)allowsTemporaryFiles
{
_allowsTemporaryFiles = allowsTemporaryFiles;
}
- (bool)allowsTemporaryFiles
{
return _allowsTemporaryFiles;
}
- (void)setAllowsIPSockets: (bool)allowsIPSockets
{
_allowsIPSockets = allowsIPSockets;
}
- (bool)allowsIPSockets
{
return _allowsIPSockets;
}
- (void)setAllowsMulticastSockets: (bool)allowsMulticastSockets
{
_allowsMulticastSockets = allowsMulticastSockets;
}
- (bool)allowsMulticastSockets
{
return _allowsMulticastSockets;
}
- (void)setAllowsChangingFileAttributes: (bool)allowsChangingFileAttributes
{
_allowsChangingFileAttributes = allowsChangingFileAttributes;
}
- (bool)allowsChangingFileAttributes
{
return _allowsChangingFileAttributes;
}
- (void)setAllowsFileOwnerChanges: (bool)allowsFileOwnerChanges
{
_allowsFileOwnerChanges = allowsFileOwnerChanges;
}
- (bool)allowsFileOwnerChanges
{
return _allowsFileOwnerChanges;
}
- (void)setAllowsFileLocks: (bool)allowsFileLocks
{
_allowsFileLocks = allowsFileLocks;
}
- (bool)allowsFileLocks
{
return _allowsFileLocks;
}
- (void)setAllowsUNIXSockets: (bool)allowsUNIXSockets
{
_allowsUNIXSockets = allowsUNIXSockets;
}
- (bool)allowsUNIXSockets
{
return _allowsUNIXSockets;
}
- (void)setAllowsDNS: (bool)allowsDNS
{
_allowsDNS = allowsDNS;
}
- (bool)allowsDNS
{
return _allowsDNS;
}
- (void)setAllowsUserDatabaseReading: (bool)allowsUserDatabaseReading
{
_allowsUserDatabaseReading = allowsUserDatabaseReading;
}
- (bool)allowsUserDatabaseReading
{
return _allowsUserDatabaseReading;
}
- (void)setAllowsFileDescriptorSending: (bool)allowsFileDescriptorSending
{
_allowsFileDescriptorSending = allowsFileDescriptorSending;
}
- (bool)allowsFileDescriptorSending
{
return _allowsFileDescriptorSending;
}
- (void)setAllowsFileDescriptorReceiving: (bool)allowsFileDescriptorReceiving
{
_allowsFileDescriptorReceiving = allowsFileDescriptorReceiving;
}
- (bool)allowsFileDescriptorReceiving
{
return _allowsFileDescriptorReceiving;
}
- (void)setAllowsTape: (bool)allowsTape
{
_allowsTape = allowsTape;
}
- (bool)allowsTape
{
return _allowsTape;
}
- (void)setAllowsTTY: (bool)allowsTTY
{
_allowsTTY = allowsTTY;
}
- (bool)allowsTTY
{
return _allowsTTY;
}
- (void)setAllowsProcessOperations: (bool)allowsProcessOperations
{
_allowsProcessOperations = allowsProcessOperations;
}
- (bool)allowsProcessOperations
{
return _allowsProcessOperations;
}
- (void)setAllowsExec: (bool)allowsExec
{
_allowsExec = allowsExec;
}
- (bool)allowsExec
{
return _allowsExec;
}
- (void)setAllowsProtExec: (bool)allowsProtExec
{
_allowsProtExec = allowsProtExec;
}
- (bool)allowsProtExec
{
return _allowsProtExec;
}
- (void)setAllowsSetTime: (bool)allowsSetTime
{
_allowsSetTime = allowsSetTime;
}
- (bool)allowsSetTime
{
return _allowsSetTime;
}
- (void)setAllowsPS: (bool)allowsPS
{
_allowsPS = allowsPS;
}
- (bool)allowsPS
{
return _allowsPS;
}
- (void)setAllowsVMInfo: (bool)allowsVMInfo
{
_allowsVMInfo = allowsVMInfo;
}
- (bool)allowsVMInfo
{
return _allowsVMInfo;
}
- (void)setAllowsChangingProcessRights: (bool)allowsChangingProcessRights
{
_allowsChangingProcessRights = allowsChangingProcessRights;
}
- (bool)allowsChangingProcessRights
{
return _allowsChangingProcessRights;
}
- (void)setAllowsPF: (bool)allowsPF
{
_allowsPF = allowsPF;
}
- (bool)allowsPF
{
return _allowsPF;
}
- (void)setAllowsAudio: (bool)allowsAudio
{
_allowsAudio = allowsAudio;
}
- (bool)allowsAudio
{
return _allowsAudio;
}
- (void)setAllowsBPF: (bool)allowsBPF
{
_allowsBPF = allowsBPF;
}
- (bool)allowsBPF
{
return _allowsBPF;
}
- (void)setAllowsUnveil: (bool)allowsUnveil
{
_allowsUnveil = allowsUnveil;
}
- (bool)allowsUnveil
{
return _allowsUnveil;
}
- (void)setReturnsErrors: (bool)returnsErrors
{
_returnsErrors = returnsErrors;
}
- (bool)returnsErrors
{
return _returnsErrors;
}
- (id)copy
{
OFSandbox *copy = [[OFSandbox alloc] init];
copy->_allowsStdIO = _allowsStdIO;
copy->_allowsReadingFiles = _allowsReadingFiles;
copy->_allowsWritingFiles = _allowsWritingFiles;
copy->_allowsCreatingFiles = _allowsCreatingFiles;
copy->_allowsCreatingSpecialFiles = _allowsCreatingSpecialFiles;
copy->_allowsTemporaryFiles = _allowsTemporaryFiles;
copy->_allowsIPSockets = _allowsIPSockets;
copy->_allowsMulticastSockets = _allowsMulticastSockets;
copy->_allowsChangingFileAttributes = _allowsChangingFileAttributes;
copy->_allowsFileOwnerChanges = _allowsFileOwnerChanges;
copy->_allowsFileLocks = _allowsFileLocks;
copy->_allowsUNIXSockets = _allowsUNIXSockets;
copy->_allowsDNS = _allowsDNS;
copy->_allowsUserDatabaseReading = _allowsUserDatabaseReading;
copy->_allowsFileDescriptorSending = _allowsFileDescriptorSending;
copy->_allowsFileDescriptorReceiving = _allowsFileDescriptorReceiving;
copy->_allowsTape = _allowsTape;
copy->_allowsTTY = _allowsTTY;
copy->_allowsProcessOperations = _allowsProcessOperations;
copy->_allowsExec = _allowsExec;
copy->_allowsProtExec = _allowsProtExec;
copy->_allowsSetTime = _allowsSetTime;
copy->_allowsPS = _allowsPS;
copy->_allowsVMInfo = _allowsVMInfo;
copy->_allowsChangingProcessRights = _allowsChangingProcessRights;
copy->_allowsPF = _allowsPF;
copy->_allowsAudio = _allowsAudio;
copy->_allowsBPF = _allowsBPF;
copy->_allowsUnveil = _allowsUnveil;
copy->_returnsErrors = _returnsErrors;
return copy;
}
- (bool)isEqual: (id)object
{
OFSandbox *sandbox;
if (object == self)
return true;
if (![object isKindOfClass: [OFSandbox class]])
return false;
sandbox = object;
if (sandbox->_allowsStdIO != _allowsStdIO)
return false;
if (sandbox->_allowsReadingFiles != _allowsReadingFiles)
return false;
if (sandbox->_allowsWritingFiles != _allowsWritingFiles)
return false;
if (sandbox->_allowsCreatingFiles != _allowsCreatingFiles)
return false;
if (sandbox->_allowsCreatingSpecialFiles != _allowsCreatingSpecialFiles)
return false;
if (sandbox->_allowsTemporaryFiles != _allowsTemporaryFiles)
return false;
if (sandbox->_allowsIPSockets != _allowsIPSockets)
return false;
if (sandbox->_allowsMulticastSockets != _allowsMulticastSockets)
return false;
if (sandbox->_allowsChangingFileAttributes !=
_allowsChangingFileAttributes)
return false;
if (sandbox->_allowsFileOwnerChanges != _allowsFileOwnerChanges)
return false;
if (sandbox->_allowsFileLocks != _allowsFileLocks)
return false;
if (sandbox->_allowsUNIXSockets != _allowsUNIXSockets)
return false;
if (sandbox->_allowsDNS != _allowsDNS)
return false;
if (sandbox->_allowsUserDatabaseReading != _allowsUserDatabaseReading)
return false;
if (sandbox->_allowsFileDescriptorSending !=
_allowsFileDescriptorSending)
return false;
if (sandbox->_allowsFileDescriptorReceiving !=
_allowsFileDescriptorReceiving)
return false;
if (sandbox->_allowsTape != _allowsTape)
return false;
if (sandbox->_allowsTTY != _allowsTTY)
return false;
if (sandbox->_allowsProcessOperations != _allowsProcessOperations)
return false;
if (sandbox->_allowsExec != _allowsExec)
return false;
if (sandbox->_allowsProtExec != _allowsProtExec)
return false;
if (sandbox->_allowsSetTime != _allowsSetTime)
return false;
if (sandbox->_allowsPS != _allowsPS)
return false;
if (sandbox->_allowsVMInfo != _allowsVMInfo)
return false;
if (sandbox->_allowsChangingProcessRights !=
_allowsChangingProcessRights)
return false;
if (sandbox->_allowsPF != _allowsPF)
return false;
if (sandbox->_allowsAudio != _allowsAudio)
return false;
if (sandbox->_allowsBPF != _allowsBPF)
return false;
if (sandbox->_allowsUnveil != _allowsUnveil)
return false;
if (sandbox->_returnsErrors != _returnsErrors)
return false;
return true;
}
- (unsigned long)hash
{
uint32_t hash;
OF_HASH_INIT(hash);
OF_HASH_ADD(hash, _allowsStdIO);
OF_HASH_ADD(hash, _allowsReadingFiles);
OF_HASH_ADD(hash, _allowsWritingFiles);
OF_HASH_ADD(hash, _allowsCreatingFiles);
OF_HASH_ADD(hash, _allowsCreatingSpecialFiles);
OF_HASH_ADD(hash, _allowsTemporaryFiles);
OF_HASH_ADD(hash, _allowsIPSockets);
OF_HASH_ADD(hash, _allowsMulticastSockets);
OF_HASH_ADD(hash, _allowsChangingFileAttributes);
OF_HASH_ADD(hash, _allowsFileOwnerChanges);
OF_HASH_ADD(hash, _allowsFileLocks);
OF_HASH_ADD(hash, _allowsUNIXSockets);
OF_HASH_ADD(hash, _allowsDNS);
OF_HASH_ADD(hash, _allowsUserDatabaseReading);
OF_HASH_ADD(hash, _allowsFileDescriptorSending);
OF_HASH_ADD(hash, _allowsFileDescriptorReceiving);
OF_HASH_ADD(hash, _allowsTape);
OF_HASH_ADD(hash, _allowsTTY);
OF_HASH_ADD(hash, _allowsProcessOperations);
OF_HASH_ADD(hash, _allowsExec);
OF_HASH_ADD(hash, _allowsProtExec);
OF_HASH_ADD(hash, _allowsSetTime);
OF_HASH_ADD(hash, _allowsPS);
OF_HASH_ADD(hash, _allowsVMInfo);
OF_HASH_ADD(hash, _allowsChangingProcessRights);
OF_HASH_ADD(hash, _allowsPF);
OF_HASH_ADD(hash, _allowsAudio);
OF_HASH_ADD(hash, _allowsBPF);
OF_HASH_ADD(hash, _allowsUnveil);
OF_HASH_ADD(hash, _returnsErrors);
OF_HASH_FINALIZE(hash);
return hash;
}
#ifdef OF_HAVE_PLEDGE
- (OFString *)pledgeString
{
void *pool = objc_autoreleasePoolPush();
OFMutableArray *pledges = [OFMutableArray array];
OFString *ret;
if (_allowsStdIO)
[pledges addObject: @"stdio"];
if (_allowsReadingFiles)
[pledges addObject: @"rpath"];
if (_allowsWritingFiles)
[pledges addObject: @"wpath"];
if (_allowsCreatingFiles)
[pledges addObject: @"cpath"];
if (_allowsCreatingSpecialFiles)
[pledges addObject: @"dpath"];
if (_allowsTemporaryFiles)
[pledges addObject: @"tmppath"];
if (_allowsIPSockets)
[pledges addObject: @"inet"];
if (_allowsMulticastSockets)
[pledges addObject: @"mcast"];
if (_allowsChangingFileAttributes)
[pledges addObject: @"fattr"];
if (_allowsFileOwnerChanges)
[pledges addObject: @"chown"];
if (_allowsFileLocks)
[pledges addObject: @"flock"];
if (_allowsUNIXSockets)
[pledges addObject: @"unix"];
if (_allowsDNS)
[pledges addObject: @"dns"];
if (_allowsUserDatabaseReading)
[pledges addObject: @"getpw"];
if (_allowsFileDescriptorSending)
[pledges addObject: @"sendfd"];
if (_allowsFileDescriptorReceiving)
[pledges addObject: @"recvfd"];
if (_allowsTape)
[pledges addObject: @"tape"];
if (_allowsTTY)
[pledges addObject: @"tty"];
if (_allowsProcessOperations)
[pledges addObject: @"proc"];
if (_allowsExec)
[pledges addObject: @"exec"];
if (_allowsProtExec)
[pledges addObject: @"prot_exec"];
if (_allowsSetTime)
[pledges addObject: @"settime"];
if (_allowsPS)
[pledges addObject: @"ps"];
if (_allowsVMInfo)
[pledges addObject: @"vminfo"];
if (_allowsChangingProcessRights)
[pledges addObject: @"id"];
if (_allowsPF)
[pledges addObject: @"pf"];
if (_allowsAudio)
[pledges addObject: @"audio"];
if (_allowsBPF)
[pledges addObject: @"bpf"];
if (_allowsUnveil)
[pledges addObject: @"unveil"];
if (_returnsErrors)
[pledges addObject: @"error"];
ret = [pledges componentsJoinedByString: @" "];
[ret retain];
objc_autoreleasePoolPop(pool);
return [ret autorelease];
}
#endif
- (void)unveilPath: (OFString *)path
permissions: (OFString *)permissions
{
void *pool = objc_autoreleasePoolPush();
[_unveiledPaths addObject: [OFPair pairWithFirstObject: path
secondObject: permissions]];
objc_autoreleasePoolPop(pool);
}
- (OFArray OF_GENERIC(of_sandbox_unveil_path_t) *)unveiledPaths
{
return [[_unveiledPaths copy] autorelease];
}
@end