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https://github.com/reactos/reactos.git
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1798 lines
52 KiB
C
1798 lines
52 KiB
C
/*
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* ReactOS MARTA provider
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* Copyright (C) 2005 - 2006 ReactOS Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* PROJECT: ReactOS MARTA provider
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* FILE: lib/ntmarta/ntmarta.c
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* PURPOSE: ReactOS MARTA provider
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* PROGRAMMER: Thomas Weidenmueller <w3seek@reactos.com>
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*
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* UPDATE HISTORY:
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* 07/26/2005 Created
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*/
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#include "ntmarta.h"
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#define NDEBUG
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#include <debug.h>
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HINSTANCE hDllInstance;
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/* FIXME: Vista+ API */
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VOID
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WINAPI
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SetSecurityAccessMask(IN SECURITY_INFORMATION SecurityInformation,
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OUT LPDWORD DesiredAccess)
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{
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*DesiredAccess = 0;
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if (SecurityInformation & (OWNER_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION))
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*DesiredAccess |= WRITE_OWNER;
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if (SecurityInformation & DACL_SECURITY_INFORMATION)
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*DesiredAccess |= WRITE_DAC;
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if (SecurityInformation & SACL_SECURITY_INFORMATION)
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*DesiredAccess |= ACCESS_SYSTEM_SECURITY;
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}
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/* FIXME: Vista+ API */
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VOID
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WINAPI
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QuerySecurityAccessMask(IN SECURITY_INFORMATION SecurityInformation,
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OUT LPDWORD DesiredAccess)
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{
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*DesiredAccess = 0;
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if (SecurityInformation & (OWNER_SECURITY_INFORMATION |
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GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION))
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{
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*DesiredAccess |= READ_CONTROL;
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}
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if (SecurityInformation & SACL_SECURITY_INFORMATION)
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*DesiredAccess |= ACCESS_SYSTEM_SECURITY;
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}
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static ACCESS_MODE
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AccpGetAceAccessMode(IN PACE_HEADER AceHeader)
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{
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ACCESS_MODE Mode = NOT_USED_ACCESS;
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switch (AceHeader->AceType)
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{
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case ACCESS_ALLOWED_ACE_TYPE:
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case ACCESS_ALLOWED_CALLBACK_ACE_TYPE:
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case ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE:
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case ACCESS_ALLOWED_OBJECT_ACE_TYPE:
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Mode = GRANT_ACCESS;
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break;
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case ACCESS_DENIED_ACE_TYPE:
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case ACCESS_DENIED_CALLBACK_ACE_TYPE:
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case ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_OBJECT_ACE_TYPE:
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Mode = DENY_ACCESS;
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break;
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case SYSTEM_AUDIT_ACE_TYPE:
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case SYSTEM_AUDIT_CALLBACK_ACE_TYPE:
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case SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE:
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case SYSTEM_AUDIT_OBJECT_ACE_TYPE:
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if (AceHeader->AceFlags & FAILED_ACCESS_ACE_FLAG)
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Mode = SET_AUDIT_FAILURE;
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else if (AceHeader->AceFlags & SUCCESSFUL_ACCESS_ACE_FLAG)
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Mode = SET_AUDIT_SUCCESS;
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break;
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}
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return Mode;
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}
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static UINT
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AccpGetAceStructureSize(IN PACE_HEADER AceHeader)
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{
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UINT Size = 0;
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switch (AceHeader->AceType)
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{
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case ACCESS_ALLOWED_ACE_TYPE:
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case ACCESS_DENIED_ACE_TYPE:
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Size = FIELD_OFFSET(ACCESS_ALLOWED_ACE,
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SidStart);
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break;
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case ACCESS_ALLOWED_CALLBACK_ACE_TYPE:
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case ACCESS_DENIED_CALLBACK_ACE_TYPE:
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Size = FIELD_OFFSET(ACCESS_ALLOWED_CALLBACK_ACE,
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SidStart);
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break;
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case ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE:
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{
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PACCESS_ALLOWED_CALLBACK_OBJECT_ACE Ace = (PACCESS_ALLOWED_CALLBACK_OBJECT_ACE)AceHeader;
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Size = FIELD_OFFSET(ACCESS_ALLOWED_CALLBACK_OBJECT_ACE,
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ObjectType);
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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Size += sizeof(Ace->ObjectType);
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if (Ace->Flags & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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Size += sizeof(Ace->InheritedObjectType);
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break;
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}
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case ACCESS_ALLOWED_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_OBJECT_ACE_TYPE:
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{
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PACCESS_ALLOWED_OBJECT_ACE Ace = (PACCESS_ALLOWED_OBJECT_ACE)AceHeader;
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Size = FIELD_OFFSET(ACCESS_ALLOWED_OBJECT_ACE,
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ObjectType);
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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Size += sizeof(Ace->ObjectType);
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if (Ace->Flags & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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Size += sizeof(Ace->InheritedObjectType);
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break;
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}
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case SYSTEM_AUDIT_ACE_TYPE:
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Size = FIELD_OFFSET(SYSTEM_AUDIT_ACE,
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SidStart);
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break;
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case SYSTEM_AUDIT_CALLBACK_ACE_TYPE:
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Size = FIELD_OFFSET(SYSTEM_AUDIT_CALLBACK_ACE,
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SidStart);
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break;
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case SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE:
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{
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PSYSTEM_AUDIT_CALLBACK_OBJECT_ACE Ace = (PSYSTEM_AUDIT_CALLBACK_OBJECT_ACE)AceHeader;
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Size = FIELD_OFFSET(SYSTEM_AUDIT_CALLBACK_OBJECT_ACE,
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ObjectType);
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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Size += sizeof(Ace->ObjectType);
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if (Ace->Flags & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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Size += sizeof(Ace->InheritedObjectType);
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break;
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}
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case SYSTEM_AUDIT_OBJECT_ACE_TYPE:
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{
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PSYSTEM_AUDIT_OBJECT_ACE Ace = (PSYSTEM_AUDIT_OBJECT_ACE)AceHeader;
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Size = FIELD_OFFSET(SYSTEM_AUDIT_OBJECT_ACE,
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ObjectType);
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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Size += sizeof(Ace->ObjectType);
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if (Ace->Flags & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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Size += sizeof(Ace->InheritedObjectType);
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break;
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}
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case SYSTEM_MANDATORY_LABEL_ACE_TYPE:
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Size = FIELD_OFFSET(SYSTEM_MANDATORY_LABEL_ACE,
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SidStart);
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break;
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}
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return Size;
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}
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static PSID
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AccpGetAceSid(IN PACE_HEADER AceHeader)
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{
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return (PSID)((ULONG_PTR)AceHeader + AccpGetAceStructureSize(AceHeader));
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}
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static ACCESS_MASK
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AccpGetAceAccessMask(IN PACE_HEADER AceHeader)
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{
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return *((PACCESS_MASK)(AceHeader + 1));
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}
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static BOOL
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AccpIsObjectAce(IN PACE_HEADER AceHeader)
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{
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BOOL Ret;
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switch (AceHeader->AceType)
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{
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case ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE:
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case ACCESS_ALLOWED_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_OBJECT_ACE_TYPE:
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case SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE:
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case SYSTEM_AUDIT_OBJECT_ACE_TYPE:
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Ret = TRUE;
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break;
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default:
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Ret = FALSE;
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break;
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}
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return Ret;
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}
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static DWORD
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AccpGetTrusteeObjects(IN PTRUSTEE_W Trustee,
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OUT GUID *pObjectTypeGuid OPTIONAL,
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OUT GUID *pInheritedObjectTypeGuid OPTIONAL)
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{
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DWORD Ret;
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switch (Trustee->TrusteeForm)
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{
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case TRUSTEE_IS_OBJECTS_AND_NAME:
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{
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POBJECTS_AND_NAME_W pOan = (POBJECTS_AND_NAME_W)Trustee->ptstrName;
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/* pOan->ObjectsPresent should always be 0 here because a previous
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call to AccpGetTrusteeSid should have rejected these trustees
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already. */
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ASSERT(pOan->ObjectsPresent == 0);
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Ret = pOan->ObjectsPresent;
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break;
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}
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case TRUSTEE_IS_OBJECTS_AND_SID:
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{
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POBJECTS_AND_SID pOas = (POBJECTS_AND_SID)Trustee->ptstrName;
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if (pObjectTypeGuid != NULL && pOas->ObjectsPresent & ACE_OBJECT_TYPE_PRESENT)
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*pObjectTypeGuid = pOas->ObjectTypeGuid;
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if (pInheritedObjectTypeGuid != NULL && pOas->ObjectsPresent & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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*pInheritedObjectTypeGuid = pOas->InheritedObjectTypeGuid;
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Ret = pOas->ObjectsPresent;
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break;
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}
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default:
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/* Any other trustee forms have no objects attached... */
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Ret = 0;
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break;
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}
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return Ret;
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}
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static DWORD
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AccpCalcNeededAceSize(IN PSID Sid,
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IN DWORD ObjectsPresent)
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{
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DWORD Ret;
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Ret = sizeof(ACE) + GetLengthSid(Sid);
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/* This routine calculates the generic size of the ACE needed.
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If no objects are present it is assumed that only a standard
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ACE is to be created. */
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if (ObjectsPresent & ACE_OBJECT_TYPE_PRESENT)
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Ret += sizeof(GUID);
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if (ObjectsPresent & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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Ret += sizeof(GUID);
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if (ObjectsPresent != 0)
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Ret += sizeof(DWORD); /* Include the Flags member to make it an object ACE */
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return Ret;
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}
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static GUID*
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AccpGetObjectAceObjectType(IN PACE_HEADER AceHeader)
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{
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GUID *ObjectType = NULL;
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switch (AceHeader->AceType)
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{
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case ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE:
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{
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PACCESS_ALLOWED_CALLBACK_OBJECT_ACE Ace = (PACCESS_ALLOWED_CALLBACK_OBJECT_ACE)AceHeader;
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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ObjectType = &Ace->ObjectType;
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break;
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}
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case ACCESS_ALLOWED_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_OBJECT_ACE_TYPE:
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{
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PACCESS_ALLOWED_OBJECT_ACE Ace = (PACCESS_ALLOWED_OBJECT_ACE)AceHeader;
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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ObjectType = &Ace->ObjectType;
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break;
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}
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case SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE:
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{
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PSYSTEM_AUDIT_CALLBACK_OBJECT_ACE Ace = (PSYSTEM_AUDIT_CALLBACK_OBJECT_ACE)AceHeader;
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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ObjectType = &Ace->ObjectType;
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break;
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}
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case SYSTEM_AUDIT_OBJECT_ACE_TYPE:
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{
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PSYSTEM_AUDIT_OBJECT_ACE Ace = (PSYSTEM_AUDIT_OBJECT_ACE)AceHeader;
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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ObjectType = &Ace->ObjectType;
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break;
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}
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}
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return ObjectType;
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}
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static GUID*
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AccpGetObjectAceInheritedObjectType(IN PACE_HEADER AceHeader)
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{
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GUID *ObjectType = NULL;
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switch (AceHeader->AceType)
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{
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case ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE:
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{
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PACCESS_ALLOWED_CALLBACK_OBJECT_ACE Ace = (PACCESS_ALLOWED_CALLBACK_OBJECT_ACE)AceHeader;
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if (Ace->Flags & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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{
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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ObjectType = &Ace->InheritedObjectType;
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else
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ObjectType = &Ace->ObjectType;
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}
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break;
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}
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case ACCESS_ALLOWED_OBJECT_ACE_TYPE:
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case ACCESS_DENIED_OBJECT_ACE_TYPE:
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{
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PACCESS_ALLOWED_OBJECT_ACE Ace = (PACCESS_ALLOWED_OBJECT_ACE)AceHeader;
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if (Ace->Flags & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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{
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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ObjectType = &Ace->InheritedObjectType;
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else
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ObjectType = &Ace->ObjectType;
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}
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break;
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}
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case SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE:
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{
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PSYSTEM_AUDIT_CALLBACK_OBJECT_ACE Ace = (PSYSTEM_AUDIT_CALLBACK_OBJECT_ACE)AceHeader;
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if (Ace->Flags & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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{
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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ObjectType = &Ace->InheritedObjectType;
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else
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ObjectType = &Ace->ObjectType;
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}
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break;
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}
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case SYSTEM_AUDIT_OBJECT_ACE_TYPE:
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{
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PSYSTEM_AUDIT_OBJECT_ACE Ace = (PSYSTEM_AUDIT_OBJECT_ACE)AceHeader;
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if (Ace->Flags & ACE_INHERITED_OBJECT_TYPE_PRESENT)
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{
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if (Ace->Flags & ACE_OBJECT_TYPE_PRESENT)
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ObjectType = &Ace->InheritedObjectType;
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else
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ObjectType = &Ace->ObjectType;
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}
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break;
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}
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}
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return ObjectType;
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}
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static DWORD
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AccpOpenLSAPolicyHandle(IN LPWSTR SystemName,
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IN ACCESS_MASK DesiredAccess,
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OUT PLSA_HANDLE pPolicyHandle)
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{
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LSA_OBJECT_ATTRIBUTES LsaObjectAttributes = {0};
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LSA_UNICODE_STRING LsaSystemName, *psn;
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SIZE_T SystemNameLength;
|
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NTSTATUS Status;
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|
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if (SystemName != NULL && SystemName[0] != L'\0')
|
|
{
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SystemNameLength = wcslen(SystemName);
|
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if (SystemNameLength > UNICODE_STRING_MAX_CHARS)
|
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{
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return ERROR_INVALID_PARAMETER;
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}
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LsaSystemName.Buffer = SystemName;
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LsaSystemName.Length = (USHORT)SystemNameLength * sizeof(WCHAR);
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LsaSystemName.MaximumLength = LsaSystemName.Length + sizeof(WCHAR);
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psn = &LsaSystemName;
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}
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else
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{
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psn = NULL;
|
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}
|
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|
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Status = LsaOpenPolicy(psn,
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&LsaObjectAttributes,
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DesiredAccess,
|
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pPolicyHandle);
|
|
if (!NT_SUCCESS(Status))
|
|
return LsaNtStatusToWinError(Status);
|
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|
|
return ERROR_SUCCESS;
|
|
}
|
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|
|
static LPWSTR
|
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AccpGetTrusteeName(IN PTRUSTEE_W Trustee)
|
|
{
|
|
switch (Trustee->TrusteeForm)
|
|
{
|
|
case TRUSTEE_IS_NAME:
|
|
return Trustee->ptstrName;
|
|
|
|
case TRUSTEE_IS_OBJECTS_AND_NAME:
|
|
return ((POBJECTS_AND_NAME_W)Trustee->ptstrName)->ptstrName;
|
|
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static DWORD
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AccpLookupCurrentUser(OUT PSID *ppSid)
|
|
{
|
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DWORD Ret;
|
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CHAR Buffer[sizeof(TOKEN_USER) + sizeof(SID) + sizeof(DWORD)*SID_MAX_SUB_AUTHORITIES];
|
|
DWORD Length;
|
|
HANDLE Token;
|
|
PSID pSid;
|
|
|
|
*ppSid = NULL;
|
|
if (!OpenThreadToken(GetCurrentThread(), TOKEN_READ, TRUE, &Token))
|
|
{
|
|
Ret = GetLastError();
|
|
if (Ret != ERROR_NO_TOKEN)
|
|
{
|
|
return Ret;
|
|
}
|
|
|
|
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_READ, &Token))
|
|
{
|
|
return GetLastError();
|
|
}
|
|
}
|
|
|
|
Length = sizeof(Buffer);
|
|
if (!GetTokenInformation(Token, TokenUser, Buffer, Length, &Length))
|
|
{
|
|
Ret = GetLastError();
|
|
CloseHandle(Token);
|
|
return Ret;
|
|
}
|
|
CloseHandle(Token);
|
|
|
|
pSid = ((PTOKEN_USER)Buffer)->User.Sid;
|
|
Length = GetLengthSid(pSid);
|
|
*ppSid = LocalAlloc(LMEM_FIXED, Length);
|
|
if (!*ppSid)
|
|
{
|
|
return ERROR_NOT_ENOUGH_MEMORY;
|
|
}
|
|
CopyMemory(*ppSid, pSid, Length);
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
static DWORD
|
|
AccpLookupSidByName(IN LSA_HANDLE PolicyHandle,
|
|
IN LPWSTR Name,
|
|
OUT PSID *pSid)
|
|
{
|
|
NTSTATUS Status;
|
|
LSA_UNICODE_STRING LsaNames[1];
|
|
PLSA_REFERENCED_DOMAIN_LIST ReferencedDomains = NULL;
|
|
PLSA_TRANSLATED_SID2 TranslatedSid = NULL;
|
|
DWORD SidLen;
|
|
SIZE_T NameLength;
|
|
DWORD Ret = ERROR_SUCCESS;
|
|
|
|
NameLength = wcslen(Name);
|
|
if (NameLength > UNICODE_STRING_MAX_CHARS)
|
|
{
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
|
|
LsaNames[0].Buffer = Name;
|
|
LsaNames[0].Length = (USHORT)NameLength * sizeof(WCHAR);
|
|
LsaNames[0].MaximumLength = LsaNames[0].Length + sizeof(WCHAR);
|
|
|
|
Status = LsaLookupNames2(PolicyHandle,
|
|
0,
|
|
sizeof(LsaNames) / sizeof(LsaNames[0]),
|
|
LsaNames,
|
|
&ReferencedDomains,
|
|
&TranslatedSid);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
return LsaNtStatusToWinError(Status);
|
|
|
|
if (TranslatedSid->Use == SidTypeUnknown || TranslatedSid->Use == SidTypeInvalid)
|
|
{
|
|
Ret = LsaNtStatusToWinError(STATUS_NONE_MAPPED); /* FIXME- what error code? */
|
|
goto Cleanup;
|
|
}
|
|
|
|
SidLen = GetLengthSid(TranslatedSid->Sid);
|
|
ASSERT(SidLen != 0);
|
|
|
|
*pSid = LocalAlloc(LMEM_FIXED, (SIZE_T)SidLen);
|
|
if (*pSid != NULL)
|
|
{
|
|
if (!CopySid(SidLen,
|
|
*pSid,
|
|
TranslatedSid->Sid))
|
|
{
|
|
Ret = GetLastError();
|
|
|
|
LocalFree((HLOCAL)*pSid);
|
|
*pSid = NULL;
|
|
}
|
|
}
|
|
else
|
|
Ret = ERROR_NOT_ENOUGH_MEMORY;
|
|
|
|
Cleanup:
|
|
LsaFreeMemory(ReferencedDomains);
|
|
LsaFreeMemory(TranslatedSid);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
|
|
static DWORD
|
|
AccpGetTrusteeSid(IN PTRUSTEE_W Trustee,
|
|
IN OUT PLSA_HANDLE pPolicyHandle,
|
|
OUT PSID *ppSid,
|
|
OUT BOOL *Allocated)
|
|
{
|
|
DWORD Ret = ERROR_SUCCESS;
|
|
LPWSTR TrusteeName;
|
|
|
|
*ppSid = NULL;
|
|
*Allocated = FALSE;
|
|
|
|
/* Windows ignores this */
|
|
#if 0
|
|
if (Trustee->pMultipleTrustee || Trustee->MultipleTrusteeOperation != NO_MULTIPLE_TRUSTEE)
|
|
{
|
|
/* This is currently not supported */
|
|
return ERROR_INVALID_PARAMETER;
|
|
}
|
|
#endif
|
|
|
|
switch (Trustee->TrusteeForm)
|
|
{
|
|
case TRUSTEE_IS_OBJECTS_AND_NAME:
|
|
if (((POBJECTS_AND_NAME_W)Trustee->ptstrName)->ObjectsPresent != 0)
|
|
{
|
|
/* This is not supported as there is no way to interpret the
|
|
strings provided, and we need GUIDs for the ACEs... */
|
|
Ret = ERROR_INVALID_PARAMETER;
|
|
break;
|
|
}
|
|
/* fall through */
|
|
|
|
case TRUSTEE_IS_NAME:
|
|
TrusteeName = AccpGetTrusteeName(Trustee);
|
|
if (!wcscmp(TrusteeName, L"CURRENT_USER"))
|
|
{
|
|
Ret = AccpLookupCurrentUser(ppSid);
|
|
if (Ret == ERROR_SUCCESS)
|
|
{
|
|
ASSERT(*ppSid != NULL);
|
|
*Allocated = TRUE;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (*pPolicyHandle == NULL)
|
|
{
|
|
Ret = AccpOpenLSAPolicyHandle(NULL, /* FIXME - always local? */
|
|
POLICY_LOOKUP_NAMES,
|
|
pPolicyHandle);
|
|
if (Ret != ERROR_SUCCESS)
|
|
return Ret;
|
|
|
|
ASSERT(*pPolicyHandle != NULL);
|
|
}
|
|
|
|
Ret = AccpLookupSidByName(*pPolicyHandle,
|
|
TrusteeName,
|
|
ppSid);
|
|
if (Ret == ERROR_SUCCESS)
|
|
{
|
|
ASSERT(*ppSid != NULL);
|
|
*Allocated = TRUE;
|
|
}
|
|
break;
|
|
|
|
case TRUSTEE_IS_OBJECTS_AND_SID:
|
|
*ppSid = ((POBJECTS_AND_SID)Trustee->ptstrName)->pSid;
|
|
break;
|
|
|
|
case TRUSTEE_IS_SID:
|
|
*ppSid = (PSID)Trustee->ptstrName;
|
|
break;
|
|
|
|
default:
|
|
Ret = ERROR_INVALID_PARAMETER;
|
|
break;
|
|
}
|
|
|
|
return Ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccRewriteGetHandleRights EXPORTED
|
|
*
|
|
* @unimplemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccRewriteGetHandleRights(HANDLE handle,
|
|
SE_OBJECT_TYPE ObjectType,
|
|
SECURITY_INFORMATION SecurityInfo,
|
|
PSID* ppsidOwner,
|
|
PSID* ppsidGroup,
|
|
PACL* ppDacl,
|
|
PACL* ppSacl,
|
|
PSECURITY_DESCRIPTOR* ppSecurityDescriptor)
|
|
{
|
|
PSECURITY_DESCRIPTOR pSD = NULL;
|
|
ULONG SDSize = 0;
|
|
NTSTATUS Status;
|
|
DWORD LastErr;
|
|
DWORD Ret;
|
|
|
|
/* save the last error code */
|
|
LastErr = GetLastError();
|
|
|
|
do
|
|
{
|
|
Ret = ERROR_SUCCESS;
|
|
|
|
/* allocate a buffer large enough to hold the
|
|
security descriptor we need to return */
|
|
SDSize += 0x100;
|
|
if (pSD == NULL)
|
|
{
|
|
pSD = LocalAlloc(LMEM_FIXED,
|
|
(SIZE_T)SDSize);
|
|
}
|
|
else
|
|
{
|
|
PSECURITY_DESCRIPTOR newSD;
|
|
|
|
newSD = LocalReAlloc((HLOCAL)pSD,
|
|
(SIZE_T)SDSize,
|
|
LMEM_MOVEABLE);
|
|
if (newSD != NULL)
|
|
pSD = newSD;
|
|
}
|
|
|
|
if (pSD == NULL)
|
|
{
|
|
Ret = GetLastError();
|
|
break;
|
|
}
|
|
|
|
/* perform the actual query depending on the object type */
|
|
switch (ObjectType)
|
|
{
|
|
case SE_REGISTRY_KEY:
|
|
{
|
|
Ret = (DWORD)RegGetKeySecurity((HKEY)handle,
|
|
SecurityInfo,
|
|
pSD,
|
|
&SDSize);
|
|
break;
|
|
}
|
|
|
|
case SE_FILE_OBJECT:
|
|
/* FIXME - handle console handles? */
|
|
case SE_KERNEL_OBJECT:
|
|
{
|
|
Status = NtQuerySecurityObject(handle,
|
|
SecurityInfo,
|
|
pSD,
|
|
SDSize,
|
|
&SDSize);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
Ret = RtlNtStatusToDosError(Status);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SE_SERVICE:
|
|
{
|
|
if (!QueryServiceObjectSecurity((SC_HANDLE)handle,
|
|
SecurityInfo,
|
|
pSD,
|
|
SDSize,
|
|
&SDSize))
|
|
{
|
|
Ret = GetLastError();
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SE_WINDOW_OBJECT:
|
|
{
|
|
if (!GetUserObjectSecurity(handle,
|
|
&SecurityInfo,
|
|
pSD,
|
|
SDSize,
|
|
&SDSize))
|
|
{
|
|
Ret = GetLastError();
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
UNIMPLEMENTED;
|
|
Ret = ERROR_CALL_NOT_IMPLEMENTED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
} while (Ret == ERROR_INSUFFICIENT_BUFFER);
|
|
|
|
if (Ret == ERROR_SUCCESS)
|
|
{
|
|
BOOL Present, Defaulted;
|
|
|
|
if (SecurityInfo & OWNER_SECURITY_INFORMATION && ppsidOwner != NULL)
|
|
{
|
|
*ppsidOwner = NULL;
|
|
if (!GetSecurityDescriptorOwner(pSD,
|
|
ppsidOwner,
|
|
&Defaulted))
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
|
|
if (SecurityInfo & GROUP_SECURITY_INFORMATION && ppsidGroup != NULL)
|
|
{
|
|
*ppsidGroup = NULL;
|
|
if (!GetSecurityDescriptorGroup(pSD,
|
|
ppsidGroup,
|
|
&Defaulted))
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
|
|
if (SecurityInfo & DACL_SECURITY_INFORMATION && ppDacl != NULL)
|
|
{
|
|
*ppDacl = NULL;
|
|
if (!GetSecurityDescriptorDacl(pSD,
|
|
&Present,
|
|
ppDacl,
|
|
&Defaulted))
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
|
|
if (SecurityInfo & SACL_SECURITY_INFORMATION && ppSacl != NULL)
|
|
{
|
|
*ppSacl = NULL;
|
|
if (!GetSecurityDescriptorSacl(pSD,
|
|
&Present,
|
|
ppSacl,
|
|
&Defaulted))
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
|
|
*ppSecurityDescriptor = pSD;
|
|
}
|
|
else
|
|
{
|
|
Cleanup:
|
|
if (pSD != NULL)
|
|
{
|
|
LocalFree((HLOCAL)pSD);
|
|
}
|
|
}
|
|
|
|
/* restore the last error code */
|
|
SetLastError(LastErr);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccRewriteSetHandleRights EXPORTED
|
|
*
|
|
* @unimplemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccRewriteSetHandleRights(HANDLE handle,
|
|
SE_OBJECT_TYPE ObjectType,
|
|
SECURITY_INFORMATION SecurityInfo,
|
|
PSECURITY_DESCRIPTOR pSecurityDescriptor)
|
|
{
|
|
NTSTATUS Status;
|
|
DWORD LastErr;
|
|
DWORD Ret = ERROR_SUCCESS;
|
|
|
|
/* save the last error code */
|
|
LastErr = GetLastError();
|
|
|
|
/* set the security according to the object type */
|
|
switch (ObjectType)
|
|
{
|
|
case SE_REGISTRY_KEY:
|
|
{
|
|
Ret = (DWORD)RegSetKeySecurity((HKEY)handle,
|
|
SecurityInfo,
|
|
pSecurityDescriptor);
|
|
break;
|
|
}
|
|
|
|
case SE_FILE_OBJECT:
|
|
/* FIXME - handle console handles? */
|
|
case SE_KERNEL_OBJECT:
|
|
{
|
|
Status = NtSetSecurityObject(handle,
|
|
SecurityInfo,
|
|
pSecurityDescriptor);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
Ret = RtlNtStatusToDosError(Status);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SE_SERVICE:
|
|
{
|
|
if (!SetServiceObjectSecurity((SC_HANDLE)handle,
|
|
SecurityInfo,
|
|
pSecurityDescriptor))
|
|
{
|
|
Ret = GetLastError();
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SE_WINDOW_OBJECT:
|
|
{
|
|
if (!SetUserObjectSecurity(handle,
|
|
&SecurityInfo,
|
|
pSecurityDescriptor))
|
|
{
|
|
Ret = GetLastError();
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
UNIMPLEMENTED;
|
|
Ret = ERROR_CALL_NOT_IMPLEMENTED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/* restore the last error code */
|
|
SetLastError(LastErr);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
|
|
static DWORD
|
|
AccpOpenNamedObject(LPWSTR pObjectName,
|
|
SE_OBJECT_TYPE ObjectType,
|
|
SECURITY_INFORMATION SecurityInfo,
|
|
PHANDLE Handle,
|
|
PHANDLE Handle2,
|
|
BOOL Write)
|
|
{
|
|
LPWSTR lpPath;
|
|
NTSTATUS Status;
|
|
ACCESS_MASK DesiredAccess = (ACCESS_MASK)0;
|
|
DWORD Ret = ERROR_SUCCESS;
|
|
|
|
/* determine the required access rights */
|
|
switch (ObjectType)
|
|
{
|
|
case SE_REGISTRY_KEY:
|
|
case SE_FILE_OBJECT:
|
|
case SE_KERNEL_OBJECT:
|
|
case SE_SERVICE:
|
|
case SE_WINDOW_OBJECT:
|
|
if (Write)
|
|
{
|
|
SetSecurityAccessMask(SecurityInfo,
|
|
(PDWORD)&DesiredAccess);
|
|
}
|
|
else
|
|
{
|
|
QuerySecurityAccessMask(SecurityInfo,
|
|
(PDWORD)&DesiredAccess);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* make a copy of the path if we're modifying the string */
|
|
switch (ObjectType)
|
|
{
|
|
case SE_REGISTRY_KEY:
|
|
case SE_SERVICE:
|
|
lpPath = (LPWSTR)LocalAlloc(LMEM_FIXED,
|
|
(wcslen(pObjectName) + 1) * sizeof(WCHAR));
|
|
if (lpPath == NULL)
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
|
|
wcscpy(lpPath,
|
|
pObjectName);
|
|
break;
|
|
|
|
default:
|
|
lpPath = pObjectName;
|
|
break;
|
|
}
|
|
|
|
/* open a handle to the path depending on the object type */
|
|
switch (ObjectType)
|
|
{
|
|
case SE_FILE_OBJECT:
|
|
{
|
|
IO_STATUS_BLOCK IoStatusBlock;
|
|
OBJECT_ATTRIBUTES ObjectAttributes;
|
|
UNICODE_STRING FileName;
|
|
|
|
if (!RtlDosPathNameToNtPathName_U(pObjectName,
|
|
&FileName,
|
|
NULL,
|
|
NULL))
|
|
{
|
|
Ret = ERROR_INVALID_NAME;
|
|
goto Cleanup;
|
|
}
|
|
|
|
InitializeObjectAttributes(&ObjectAttributes,
|
|
&FileName,
|
|
OBJ_CASE_INSENSITIVE,
|
|
NULL,
|
|
NULL);
|
|
|
|
Status = NtOpenFile(Handle,
|
|
DesiredAccess | SYNCHRONIZE,
|
|
&ObjectAttributes,
|
|
&IoStatusBlock,
|
|
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
|
|
FILE_SYNCHRONOUS_IO_NONALERT);
|
|
|
|
RtlFreeHeap(RtlGetProcessHeap(),
|
|
0,
|
|
FileName.Buffer);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
Ret = RtlNtStatusToDosError(Status);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SE_REGISTRY_KEY:
|
|
{
|
|
static const struct
|
|
{
|
|
HKEY hRootKey;
|
|
LPCWSTR szRootKey;
|
|
} AccRegRootKeys[] =
|
|
{
|
|
{HKEY_CLASSES_ROOT, L"CLASSES_ROOT"},
|
|
{HKEY_CURRENT_USER, L"CURRENT_USER"},
|
|
{HKEY_LOCAL_MACHINE, L"MACHINE"},
|
|
{HKEY_USERS, L"USERS"},
|
|
{HKEY_CURRENT_CONFIG, L"CONFIG"},
|
|
};
|
|
LPWSTR lpMachineName, lpRootKeyName, lpKeyName;
|
|
HKEY hRootKey = NULL;
|
|
UINT i;
|
|
|
|
/* parse the registry path */
|
|
if (lpPath[0] == L'\\' && lpPath[1] == L'\\')
|
|
{
|
|
lpMachineName = lpPath;
|
|
|
|
lpRootKeyName = wcschr(lpPath + 2,
|
|
L'\\');
|
|
if (lpRootKeyName == NULL)
|
|
goto ParseRegErr;
|
|
else
|
|
*(lpRootKeyName++) = L'\0';
|
|
}
|
|
else
|
|
{
|
|
lpMachineName = NULL;
|
|
lpRootKeyName = lpPath;
|
|
}
|
|
|
|
lpKeyName = wcschr(lpRootKeyName,
|
|
L'\\');
|
|
if (lpKeyName != NULL)
|
|
{
|
|
*(lpKeyName++) = L'\0';
|
|
}
|
|
|
|
for (i = 0;
|
|
i != sizeof(AccRegRootKeys) / sizeof(AccRegRootKeys[0]);
|
|
i++)
|
|
{
|
|
if (!wcsicmp(lpRootKeyName,
|
|
AccRegRootKeys[i].szRootKey))
|
|
{
|
|
hRootKey = AccRegRootKeys[i].hRootKey;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (hRootKey == NULL)
|
|
{
|
|
ParseRegErr:
|
|
/* FIXME - right error code? */
|
|
Ret = ERROR_INVALID_PARAMETER;
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* open the registry key */
|
|
if (lpMachineName != NULL)
|
|
{
|
|
Ret = RegConnectRegistry(lpMachineName,
|
|
hRootKey,
|
|
(PHKEY)Handle2);
|
|
|
|
if (Ret != ERROR_SUCCESS)
|
|
goto Cleanup;
|
|
|
|
hRootKey = (HKEY)(*Handle2);
|
|
}
|
|
|
|
Ret = RegOpenKeyEx(hRootKey,
|
|
lpKeyName,
|
|
0,
|
|
(REGSAM)DesiredAccess,
|
|
(PHKEY)Handle);
|
|
if (Ret != ERROR_SUCCESS)
|
|
{
|
|
if (*Handle2 != NULL)
|
|
{
|
|
RegCloseKey((HKEY)(*Handle2));
|
|
}
|
|
|
|
goto Cleanup;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SE_SERVICE:
|
|
{
|
|
LPWSTR lpServiceName, lpMachineName;
|
|
|
|
/* parse the service path */
|
|
if (lpPath[0] == L'\\' && lpPath[1] == L'\\')
|
|
{
|
|
DesiredAccess |= SC_MANAGER_CONNECT;
|
|
|
|
lpMachineName = lpPath;
|
|
|
|
lpServiceName = wcschr(lpPath + 2,
|
|
L'\\');
|
|
if (lpServiceName == NULL)
|
|
{
|
|
/* FIXME - right error code? */
|
|
Ret = ERROR_INVALID_PARAMETER;
|
|
goto Cleanup;
|
|
}
|
|
else
|
|
*(lpServiceName++) = L'\0';
|
|
}
|
|
else
|
|
{
|
|
lpMachineName = NULL;
|
|
lpServiceName = lpPath;
|
|
}
|
|
|
|
/* open the service */
|
|
*Handle2 = (HANDLE)OpenSCManager(lpMachineName,
|
|
NULL,
|
|
(DWORD)DesiredAccess);
|
|
if (*Handle2 == NULL)
|
|
{
|
|
Ret = GetLastError();
|
|
ASSERT(Ret != ERROR_SUCCESS);
|
|
goto Cleanup;
|
|
}
|
|
|
|
DesiredAccess &= ~SC_MANAGER_CONNECT;
|
|
*Handle = (HANDLE)OpenService((SC_HANDLE)(*Handle2),
|
|
lpServiceName,
|
|
(DWORD)DesiredAccess);
|
|
if (*Handle == NULL)
|
|
{
|
|
Ret = GetLastError();
|
|
ASSERT(Ret != ERROR_SUCCESS);
|
|
ASSERT(*Handle2 != NULL);
|
|
CloseServiceHandle((SC_HANDLE)(*Handle2));
|
|
|
|
goto Cleanup;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
UNIMPLEMENTED;
|
|
Ret = ERROR_CALL_NOT_IMPLEMENTED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
Cleanup:
|
|
if (lpPath != NULL && lpPath != pObjectName)
|
|
{
|
|
LocalFree((HLOCAL)lpPath);
|
|
}
|
|
|
|
return Ret;
|
|
}
|
|
|
|
|
|
static VOID
|
|
AccpCloseObjectHandle(SE_OBJECT_TYPE ObjectType,
|
|
HANDLE Handle,
|
|
HANDLE Handle2)
|
|
{
|
|
ASSERT(Handle != NULL);
|
|
|
|
/* close allocated handles depending on the object type */
|
|
switch (ObjectType)
|
|
{
|
|
case SE_REGISTRY_KEY:
|
|
RegCloseKey((HKEY)Handle);
|
|
if (Handle2 != NULL)
|
|
RegCloseKey((HKEY)Handle2);
|
|
break;
|
|
|
|
case SE_FILE_OBJECT:
|
|
NtClose(Handle);
|
|
break;
|
|
|
|
case SE_KERNEL_OBJECT:
|
|
case SE_WINDOW_OBJECT:
|
|
CloseHandle(Handle);
|
|
break;
|
|
|
|
case SE_SERVICE:
|
|
CloseServiceHandle((SC_HANDLE)Handle);
|
|
ASSERT(Handle2 != NULL);
|
|
CloseServiceHandle((SC_HANDLE)Handle2);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccRewriteGetNamedRights EXPORTED
|
|
*
|
|
* @unimplemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccRewriteGetNamedRights(LPWSTR pObjectName,
|
|
SE_OBJECT_TYPE ObjectType,
|
|
SECURITY_INFORMATION SecurityInfo,
|
|
PSID* ppsidOwner,
|
|
PSID* ppsidGroup,
|
|
PACL* ppDacl,
|
|
PACL* ppSacl,
|
|
PSECURITY_DESCRIPTOR* ppSecurityDescriptor)
|
|
{
|
|
HANDLE Handle = NULL;
|
|
HANDLE Handle2 = NULL;
|
|
DWORD LastErr;
|
|
DWORD Ret;
|
|
|
|
/* save the last error code */
|
|
LastErr = GetLastError();
|
|
|
|
/* create the handle */
|
|
Ret = AccpOpenNamedObject(pObjectName,
|
|
ObjectType,
|
|
SecurityInfo,
|
|
&Handle,
|
|
&Handle2,
|
|
FALSE);
|
|
|
|
if (Ret == ERROR_SUCCESS)
|
|
{
|
|
ASSERT(Handle != NULL);
|
|
|
|
/* perform the operation */
|
|
Ret = AccRewriteGetHandleRights(Handle,
|
|
ObjectType,
|
|
SecurityInfo,
|
|
ppsidOwner,
|
|
ppsidGroup,
|
|
ppDacl,
|
|
ppSacl,
|
|
ppSecurityDescriptor);
|
|
|
|
/* close opened handles */
|
|
AccpCloseObjectHandle(ObjectType,
|
|
Handle,
|
|
Handle2);
|
|
}
|
|
|
|
/* restore the last error code */
|
|
SetLastError(LastErr);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccRewriteSetNamedRights EXPORTED
|
|
*
|
|
* @unimplemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccRewriteSetNamedRights(LPWSTR pObjectName,
|
|
SE_OBJECT_TYPE ObjectType,
|
|
SECURITY_INFORMATION SecurityInfo,
|
|
PSECURITY_DESCRIPTOR pSecurityDescriptor)
|
|
{
|
|
HANDLE Handle = NULL;
|
|
HANDLE Handle2 = NULL;
|
|
DWORD LastErr;
|
|
DWORD Ret;
|
|
|
|
/* save the last error code */
|
|
LastErr = GetLastError();
|
|
|
|
/* create the handle */
|
|
Ret = AccpOpenNamedObject(pObjectName,
|
|
ObjectType,
|
|
SecurityInfo,
|
|
&Handle,
|
|
&Handle2,
|
|
TRUE);
|
|
|
|
if (Ret == ERROR_SUCCESS)
|
|
{
|
|
ASSERT(Handle != NULL);
|
|
|
|
/* perform the operation */
|
|
Ret = AccRewriteSetHandleRights(Handle,
|
|
ObjectType,
|
|
SecurityInfo,
|
|
pSecurityDescriptor);
|
|
|
|
/* close opened handles */
|
|
AccpCloseObjectHandle(ObjectType,
|
|
Handle,
|
|
Handle2);
|
|
}
|
|
|
|
/* restore the last error code */
|
|
SetLastError(LastErr);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccRewriteSetEntriesInAcl EXPORTED
|
|
*
|
|
* @implemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccRewriteSetEntriesInAcl(ULONG cCountOfExplicitEntries,
|
|
PEXPLICIT_ACCESS_W pListOfExplicitEntries,
|
|
PACL OldAcl,
|
|
PACL* NewAcl)
|
|
{
|
|
PACL pNew = NULL;
|
|
ACL_SIZE_INFORMATION SizeInformation;
|
|
PACE_HEADER pAce;
|
|
BOOLEAN KeepAceBuf[8];
|
|
BOOLEAN *pKeepAce = NULL;
|
|
GUID ObjectTypeGuid, InheritedObjectTypeGuid;
|
|
DWORD ObjectsPresent;
|
|
BOOL needToClean;
|
|
PSID pSid1, pSid2;
|
|
ULONG i, j;
|
|
LSA_HANDLE PolicyHandle = NULL;
|
|
BOOL bRet;
|
|
DWORD LastErr;
|
|
DWORD Ret = ERROR_SUCCESS;
|
|
|
|
/* save the last error code */
|
|
LastErr = GetLastError();
|
|
|
|
*NewAcl = NULL;
|
|
|
|
/* Get information about previous ACL */
|
|
if (OldAcl)
|
|
{
|
|
if (!GetAclInformation(OldAcl, &SizeInformation, sizeof(ACL_SIZE_INFORMATION), AclSizeInformation))
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
|
|
if (SizeInformation.AceCount > sizeof(KeepAceBuf) / sizeof(KeepAceBuf[0]))
|
|
{
|
|
pKeepAce = (BOOLEAN *)LocalAlloc(LMEM_FIXED, SizeInformation.AceCount * sizeof(*pKeepAce));
|
|
if (!pKeepAce)
|
|
{
|
|
Ret = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
else
|
|
pKeepAce = KeepAceBuf;
|
|
|
|
memset(pKeepAce, TRUE, SizeInformation.AceCount * sizeof(*pKeepAce));
|
|
}
|
|
else
|
|
{
|
|
ZeroMemory(&SizeInformation, sizeof(ACL_SIZE_INFORMATION));
|
|
SizeInformation.AclBytesInUse = sizeof(ACL);
|
|
}
|
|
|
|
/* Get size required for new entries */
|
|
for (i = 0; i < cCountOfExplicitEntries; i++)
|
|
{
|
|
Ret = AccpGetTrusteeSid(&pListOfExplicitEntries[i].Trustee,
|
|
&PolicyHandle,
|
|
&pSid1,
|
|
&needToClean);
|
|
if (Ret != ERROR_SUCCESS)
|
|
goto Cleanup;
|
|
|
|
ObjectsPresent = AccpGetTrusteeObjects(&pListOfExplicitEntries[i].Trustee,
|
|
NULL,
|
|
NULL);
|
|
|
|
switch (pListOfExplicitEntries[i].grfAccessMode)
|
|
{
|
|
case REVOKE_ACCESS:
|
|
case SET_ACCESS:
|
|
/* Discard all accesses for the trustee... */
|
|
for (j = 0; j < SizeInformation.AceCount; j++)
|
|
{
|
|
if (!pKeepAce[j])
|
|
continue;
|
|
if (!GetAce(OldAcl, j, (PVOID*)&pAce))
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
|
|
pSid2 = AccpGetAceSid(pAce);
|
|
if (RtlEqualSid(pSid1, pSid2))
|
|
{
|
|
pKeepAce[j] = FALSE;
|
|
SizeInformation.AclBytesInUse -= pAce->AceSize;
|
|
}
|
|
}
|
|
if (pListOfExplicitEntries[i].grfAccessMode == REVOKE_ACCESS)
|
|
break;
|
|
/* ...and replace by the current access */
|
|
case GRANT_ACCESS:
|
|
case DENY_ACCESS:
|
|
/* Add to ACL */
|
|
SizeInformation.AclBytesInUse += AccpCalcNeededAceSize(pSid1, ObjectsPresent);
|
|
break;
|
|
case SET_AUDIT_SUCCESS:
|
|
case SET_AUDIT_FAILURE:
|
|
/* FIXME */
|
|
DPRINT1("Case not implemented!\n");
|
|
break;
|
|
default:
|
|
DPRINT1("Unknown access mode 0x%x. Ignoring it\n", pListOfExplicitEntries[i].grfAccessMode);
|
|
break;
|
|
}
|
|
|
|
if (needToClean)
|
|
LocalFree((HLOCAL)pSid1);
|
|
}
|
|
|
|
/* Succeed, if no ACL needs to be allocated */
|
|
if (SizeInformation.AclBytesInUse == 0)
|
|
goto Cleanup;
|
|
|
|
/* OK, now create the new ACL */
|
|
DPRINT("Allocating %u bytes for the new ACL\n", SizeInformation.AclBytesInUse);
|
|
pNew = (PACL)LocalAlloc(LMEM_FIXED, SizeInformation.AclBytesInUse);
|
|
if (!pNew)
|
|
{
|
|
Ret = ERROR_NOT_ENOUGH_MEMORY;
|
|
goto Cleanup;
|
|
}
|
|
if (!InitializeAcl(pNew, SizeInformation.AclBytesInUse, ACL_REVISION))
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
|
|
/* Fill it */
|
|
/* 1a) New audit entries (SET_AUDIT_SUCCESS, SET_AUDIT_FAILURE) */
|
|
/* FIXME */
|
|
|
|
/* 1b) Existing audit entries */
|
|
/* FIXME */
|
|
|
|
/* 2a) New denied entries (DENY_ACCESS) */
|
|
for (i = 0; i < cCountOfExplicitEntries; i++)
|
|
{
|
|
if (pListOfExplicitEntries[i].grfAccessMode == DENY_ACCESS)
|
|
{
|
|
/* FIXME: take care of pListOfExplicitEntries[i].grfInheritance */
|
|
Ret = AccpGetTrusteeSid(&pListOfExplicitEntries[i].Trustee,
|
|
&PolicyHandle,
|
|
&pSid1,
|
|
&needToClean);
|
|
if (Ret != ERROR_SUCCESS)
|
|
goto Cleanup;
|
|
|
|
ObjectsPresent = AccpGetTrusteeObjects(&pListOfExplicitEntries[i].Trustee,
|
|
&ObjectTypeGuid,
|
|
&InheritedObjectTypeGuid);
|
|
|
|
if (ObjectsPresent == 0)
|
|
{
|
|
/* FIXME: Call AddAccessDeniedAceEx instead! */
|
|
bRet = AddAccessDeniedAce(pNew, ACL_REVISION, pListOfExplicitEntries[i].grfAccessPermissions, pSid1);
|
|
}
|
|
else
|
|
{
|
|
/* FIXME: Call AddAccessDeniedObjectAce */
|
|
DPRINT1("Object ACEs not yet supported!\n");
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
bRet = FALSE;
|
|
}
|
|
|
|
if (needToClean) LocalFree((HLOCAL)pSid1);
|
|
if (!bRet)
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 2b) Existing denied entries */
|
|
/* FIXME */
|
|
|
|
/* 3a) New allow entries (GRANT_ACCESS, SET_ACCESS) */
|
|
for (i = 0; i < cCountOfExplicitEntries; i++)
|
|
{
|
|
if (pListOfExplicitEntries[i].grfAccessMode == SET_ACCESS ||
|
|
pListOfExplicitEntries[i].grfAccessMode == GRANT_ACCESS)
|
|
{
|
|
/* FIXME: take care of pListOfExplicitEntries[i].grfInheritance */
|
|
Ret = AccpGetTrusteeSid(&pListOfExplicitEntries[i].Trustee,
|
|
&PolicyHandle,
|
|
&pSid1,
|
|
&needToClean);
|
|
if (Ret != ERROR_SUCCESS)
|
|
goto Cleanup;
|
|
|
|
ObjectsPresent = AccpGetTrusteeObjects(&pListOfExplicitEntries[i].Trustee,
|
|
&ObjectTypeGuid,
|
|
&InheritedObjectTypeGuid);
|
|
|
|
if (ObjectsPresent == 0)
|
|
{
|
|
/* FIXME: Call AddAccessAllowedAceEx instead! */
|
|
bRet = AddAccessAllowedAce(pNew, ACL_REVISION, pListOfExplicitEntries[i].grfAccessPermissions, pSid1);
|
|
}
|
|
else
|
|
{
|
|
/* FIXME: Call AddAccessAllowedObjectAce */
|
|
DPRINT1("Object ACEs not yet supported!\n");
|
|
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
|
bRet = FALSE;
|
|
}
|
|
|
|
if (needToClean) LocalFree((HLOCAL)pSid1);
|
|
if (!bRet)
|
|
{
|
|
Ret = GetLastError();
|
|
goto Cleanup;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 3b) Existing allow entries */
|
|
/* FIXME */
|
|
|
|
*NewAcl = pNew;
|
|
|
|
Cleanup:
|
|
if (pKeepAce && pKeepAce != KeepAceBuf)
|
|
LocalFree((HLOCAL)pKeepAce);
|
|
|
|
if (pNew && Ret != ERROR_SUCCESS)
|
|
LocalFree((HLOCAL)pNew);
|
|
|
|
if (PolicyHandle)
|
|
LsaClose(PolicyHandle);
|
|
|
|
/* restore the last error code */
|
|
SetLastError(LastErr);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccGetInheritanceSource EXPORTED
|
|
*
|
|
* @unimplemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccGetInheritanceSource(LPWSTR pObjectName,
|
|
SE_OBJECT_TYPE ObjectType,
|
|
SECURITY_INFORMATION SecurityInfo,
|
|
BOOL Container,
|
|
GUID** pObjectClassGuids,
|
|
DWORD GuidCount,
|
|
PACL pAcl,
|
|
PFN_OBJECT_MGR_FUNCTS pfnArray,
|
|
PGENERIC_MAPPING pGenericMapping,
|
|
PINHERITED_FROMW pInheritArray)
|
|
{
|
|
UNIMPLEMENTED;
|
|
return ERROR_CALL_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccFreeIndexArray EXPORTED
|
|
*
|
|
* @implemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccFreeIndexArray(PINHERITED_FROMW pInheritArray,
|
|
USHORT AceCnt,
|
|
PFN_OBJECT_MGR_FUNCTS pfnArray OPTIONAL)
|
|
{
|
|
PINHERITED_FROMW pLast;
|
|
|
|
UNREFERENCED_PARAMETER(pfnArray);
|
|
|
|
pLast = pInheritArray + AceCnt;
|
|
while (pInheritArray != pLast)
|
|
{
|
|
if (pInheritArray->AncestorName != NULL)
|
|
{
|
|
LocalFree((HLOCAL)pInheritArray->AncestorName);
|
|
pInheritArray->AncestorName = NULL;
|
|
}
|
|
|
|
pInheritArray++;
|
|
}
|
|
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccRewriteGetExplicitEntriesFromAcl EXPORTED
|
|
*
|
|
* @implemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccRewriteGetExplicitEntriesFromAcl(PACL pacl,
|
|
PULONG pcCountOfExplicitEntries,
|
|
PEXPLICIT_ACCESS_W* pListOfExplicitEntries)
|
|
{
|
|
PACE_HEADER AceHeader;
|
|
PSID Sid, SidTarget;
|
|
ULONG ObjectAceCount = 0;
|
|
POBJECTS_AND_SID ObjSid;
|
|
SIZE_T Size;
|
|
PEXPLICIT_ACCESS_W peaw;
|
|
DWORD LastErr, SidLen;
|
|
DWORD AceIndex = 0;
|
|
DWORD ErrorCode = ERROR_SUCCESS;
|
|
|
|
/* save the last error code */
|
|
LastErr = GetLastError();
|
|
|
|
if (pacl != NULL)
|
|
{
|
|
if (pacl->AceCount != 0)
|
|
{
|
|
Size = (SIZE_T)pacl->AceCount * sizeof(EXPLICIT_ACCESS_W);
|
|
|
|
/* calculate the space needed */
|
|
while (GetAce(pacl,
|
|
AceIndex,
|
|
(LPVOID*)&AceHeader))
|
|
{
|
|
Sid = AccpGetAceSid(AceHeader);
|
|
Size += GetLengthSid(Sid);
|
|
|
|
if (AccpIsObjectAce(AceHeader))
|
|
ObjectAceCount++;
|
|
|
|
AceIndex++;
|
|
}
|
|
|
|
Size += ObjectAceCount * sizeof(OBJECTS_AND_SID);
|
|
|
|
ASSERT(pacl->AceCount == AceIndex);
|
|
|
|
/* allocate the array */
|
|
peaw = (PEXPLICIT_ACCESS_W)LocalAlloc(LMEM_FIXED,
|
|
Size);
|
|
if (peaw != NULL)
|
|
{
|
|
AceIndex = 0;
|
|
ObjSid = (POBJECTS_AND_SID)(peaw + pacl->AceCount);
|
|
SidTarget = (PSID)(ObjSid + ObjectAceCount);
|
|
|
|
/* initialize the array */
|
|
while (GetAce(pacl,
|
|
AceIndex,
|
|
(LPVOID*)&AceHeader))
|
|
{
|
|
Sid = AccpGetAceSid(AceHeader);
|
|
SidLen = GetLengthSid(Sid);
|
|
|
|
peaw[AceIndex].grfAccessPermissions = AccpGetAceAccessMask(AceHeader);
|
|
peaw[AceIndex].grfAccessMode = AccpGetAceAccessMode(AceHeader);
|
|
peaw[AceIndex].grfInheritance = AceHeader->AceFlags & VALID_INHERIT_FLAGS;
|
|
|
|
if (CopySid(SidLen,
|
|
SidTarget,
|
|
Sid))
|
|
{
|
|
if (AccpIsObjectAce(AceHeader))
|
|
{
|
|
BuildTrusteeWithObjectsAndSid(&peaw[AceIndex].Trustee,
|
|
ObjSid++,
|
|
AccpGetObjectAceObjectType(AceHeader),
|
|
AccpGetObjectAceInheritedObjectType(AceHeader),
|
|
SidTarget);
|
|
}
|
|
else
|
|
{
|
|
BuildTrusteeWithSid(&peaw[AceIndex].Trustee,
|
|
SidTarget);
|
|
}
|
|
|
|
SidTarget = (PSID)((ULONG_PTR)SidTarget + SidLen);
|
|
}
|
|
else
|
|
{
|
|
/* copying the SID failed, treat it as an fatal error... */
|
|
ErrorCode = GetLastError();
|
|
|
|
/* free allocated resources */
|
|
LocalFree(peaw);
|
|
peaw = NULL;
|
|
AceIndex = 0;
|
|
break;
|
|
}
|
|
|
|
AceIndex++;
|
|
}
|
|
|
|
*pcCountOfExplicitEntries = AceIndex;
|
|
*pListOfExplicitEntries = peaw;
|
|
}
|
|
else
|
|
ErrorCode = ERROR_NOT_ENOUGH_MEMORY;
|
|
}
|
|
else
|
|
{
|
|
goto EmptyACL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
EmptyACL:
|
|
*pcCountOfExplicitEntries = 0;
|
|
*pListOfExplicitEntries = NULL;
|
|
}
|
|
|
|
/* restore the last error code */
|
|
SetLastError(LastErr);
|
|
|
|
return ErrorCode;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* AccTreeResetNamedSecurityInfo EXPORTED
|
|
*
|
|
* @unimplemented
|
|
*/
|
|
DWORD WINAPI
|
|
AccTreeResetNamedSecurityInfo(LPWSTR pObjectName,
|
|
SE_OBJECT_TYPE ObjectType,
|
|
SECURITY_INFORMATION SecurityInfo,
|
|
PSID pOwner,
|
|
PSID pGroup,
|
|
PACL pDacl,
|
|
PACL pSacl,
|
|
BOOL KeepExplicit,
|
|
FN_PROGRESSW fnProgress,
|
|
PROG_INVOKE_SETTING ProgressInvokeSetting,
|
|
PVOID Args)
|
|
{
|
|
UNIMPLEMENTED;
|
|
return ERROR_CALL_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
BOOL WINAPI
|
|
DllMain(IN HINSTANCE hinstDLL,
|
|
IN DWORD dwReason,
|
|
IN LPVOID lpvReserved)
|
|
{
|
|
switch (dwReason)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
hDllInstance = hinstDLL;
|
|
DisableThreadLibraryCalls(hinstDLL);
|
|
break;
|
|
|
|
case DLL_PROCESS_DETACH:
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|