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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
*
* This 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.
*
* This software 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.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
// Security.h
// Wrapper classes for a few Windows NT security structures/functions
// that are used by VNC
#ifndef __RFB_WIN32_SECURITY_H__
#define __RFB_WIN32_SECURITY_H__
#include <stdint.h>
#include <vector>
#include <rfb_win32/LocalMem.h>
#include <rfb_win32/TCharArray.h>
#include <aclapi.h>
namespace rfb {
namespace win32 {
struct Trustee : public TRUSTEE {
Trustee(const TCHAR* name,
TRUSTEE_FORM form=TRUSTEE_IS_NAME,
TRUSTEE_TYPE type=TRUSTEE_IS_UNKNOWN);
};
struct ExplicitAccess : public EXPLICIT_ACCESS {
ExplicitAccess(const TCHAR* name,
TRUSTEE_FORM type,
DWORD perms,
ACCESS_MODE mode,
DWORD inherit=0);
};
// Helper class for building access control lists
struct AccessEntries {
AccessEntries();
~AccessEntries();
void allocMinEntries(int count);
void addEntry(const TCHAR* trusteeName,
DWORD permissions,
ACCESS_MODE mode);
void addEntry(const PSID sid,
DWORD permissions,
ACCESS_MODE mode);
EXPLICIT_ACCESS* entries;
int entry_count;
};
// Helper class for handling SIDs
struct Sid : std::vector<uint8_t> {
Sid() {}
operator PSID() const {return (PSID)data();}
static PSID copySID(const PSID sid);
void setSID(const PSID sid);
void getUserNameAndDomain(TCHAR** name, TCHAR** domain);
struct Administrators;
struct SYSTEM;
struct FromToken;
private:
Sid(const Sid&);
Sid& operator=(const Sid&);
};
struct Sid::Administrators : public Sid {
Administrators();
};
struct Sid::SYSTEM : public Sid {
SYSTEM();
};
struct Sid::FromToken : public Sid {
FromToken(HANDLE h);
};
// Helper class for handling & freeing ACLs
struct AccessControlList : public LocalMem {
AccessControlList(int size) : LocalMem(size) {}
AccessControlList(PACL acl_=0) : LocalMem(acl_) {}
operator PACL() {return (PACL)ptr;}
};
// Create a new ACL based on supplied entries and, if supplied, existing ACL
PACL CreateACL(const AccessEntries& ae, PACL existing_acl=0);
// Helper class for memory-management of self-relative SecurityDescriptors
struct SecurityDescriptorPtr : LocalMem {
SecurityDescriptorPtr(int size) : LocalMem(size) {}
SecurityDescriptorPtr(PSECURITY_DESCRIPTOR sd_=0) : LocalMem(sd_) {}
PSECURITY_DESCRIPTOR takeSD() {return (PSECURITY_DESCRIPTOR)takePtr();}
};
// Create a new self-relative Security Descriptor, owned by SYSTEM/Administrators,
// with the supplied DACL and no SACL. The returned value can be assigned
// to a SecurityDescriptorPtr to be managed.
PSECURITY_DESCRIPTOR CreateSdWithDacl(const PACL dacl);
}
}
#endif
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