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wine/dlls/ntdll/om.c

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/*
* Object management functions
*
* Copyright 1999, 2000 Juergen Schmied
* Copyright 2005 Vitaliy Margolen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_IO_H
# include <io.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "wine/debug.h"
#include "windef.h"
#include "winternl.h"
#include "ntdll_misc.h"
#include "wine/server.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
/*
* Generic object functions
*/
/******************************************************************************
* NtQueryObject [NTDLL.@]
* ZwQueryObject [NTDLL.@]
*/
NTSTATUS WINAPI NtQueryObject(IN HANDLE handle,
IN OBJECT_INFORMATION_CLASS info_class,
OUT PVOID ptr, IN ULONG len, OUT PULONG used_len)
{
NTSTATUS status;
TRACE("(%p,0x%08x,%p,0x%08x,%p): stub\n",
handle, info_class, ptr, len, used_len);
if (used_len) *used_len = 0;
switch (info_class)
{
case ObjectBasicInformation:
{
POBJECT_BASIC_INFORMATION p = (POBJECT_BASIC_INFORMATION)ptr;
if (len < sizeof(*p)) return STATUS_INVALID_BUFFER_SIZE;
SERVER_START_REQ( get_object_info )
{
req->handle = handle;
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
memset( p, 0, sizeof(*p) );
p->GrantedAccess = reply->access;
p->PointerCount = reply->ref_count;
p->HandleCount = 1; /* at least one */
if (used_len) *used_len = sizeof(*p);
}
}
SERVER_END_REQ;
}
break;
case ObjectDataInformation:
{
OBJECT_DATA_INFORMATION* p = (OBJECT_DATA_INFORMATION*)ptr;
if (len < sizeof(*p)) return STATUS_INVALID_BUFFER_SIZE;
SERVER_START_REQ( set_handle_info )
{
req->handle = handle;
req->flags = 0;
req->mask = 0;
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
p->InheritHandle = (reply->old_flags & HANDLE_FLAG_INHERIT) ? TRUE : FALSE;
p->ProtectFromClose = (reply->old_flags & HANDLE_FLAG_PROTECT_FROM_CLOSE) ? TRUE : FALSE;
if (used_len) *used_len = sizeof(*p);
}
}
SERVER_END_REQ;
}
break;
default:
FIXME("Unsupported information class %u\n", info_class);
status = STATUS_NOT_IMPLEMENTED;
break;
}
return status;
}
/******************************************************************
* NtSetInformationObject [NTDLL.@]
* ZwSetInformationObject [NTDLL.@]
*
*/
NTSTATUS WINAPI NtSetInformationObject(IN HANDLE handle,
IN OBJECT_INFORMATION_CLASS info_class,
IN PVOID ptr, IN ULONG len)
{
NTSTATUS status;
TRACE("(%p,0x%08x,%p,0x%08x): stub\n",
handle, info_class, ptr, len);
switch (info_class)
{
case ObjectDataInformation:
{
OBJECT_DATA_INFORMATION* p = (OBJECT_DATA_INFORMATION*)ptr;
if (len < sizeof(*p)) return STATUS_INVALID_BUFFER_SIZE;
SERVER_START_REQ( set_handle_info )
{
req->handle = handle;
req->flags = 0;
req->mask = HANDLE_FLAG_INHERIT | HANDLE_FLAG_PROTECT_FROM_CLOSE;
if (p->InheritHandle) req->flags |= HANDLE_FLAG_INHERIT;
if (p->ProtectFromClose) req->flags |= HANDLE_FLAG_PROTECT_FROM_CLOSE;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
break;
default:
FIXME("Unsupported information class %u\n", info_class);
status = STATUS_NOT_IMPLEMENTED;
break;
}
return status;
}
/******************************************************************************
* NtQuerySecurityObject [NTDLL.@]
*
* An ntdll analogue to GetKernelObjectSecurity().
*
* NOTES
* only the lowest 4 bit of SecurityObjectInformationClass are used
* 0x7-0xf returns STATUS_ACCESS_DENIED (even running with system privileges)
*
* FIXME
* We are constructing a fake sid (Administrators:Full, System:Full, Everyone:Read)
*/
NTSTATUS WINAPI
NtQuerySecurityObject(
IN HANDLE Object,
IN SECURITY_INFORMATION RequestedInformation,
OUT PSECURITY_DESCRIPTOR pSecurityDesriptor,
IN ULONG Length,
OUT PULONG ResultLength)
{
static const SID_IDENTIFIER_AUTHORITY localSidAuthority = {SECURITY_NT_AUTHORITY};
static const SID_IDENTIFIER_AUTHORITY worldSidAuthority = {SECURITY_WORLD_SID_AUTHORITY};
BYTE Buffer[256];
PISECURITY_DESCRIPTOR_RELATIVE psd = (PISECURITY_DESCRIPTOR_RELATIVE)Buffer;
UINT BufferIndex = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
FIXME("(%p,0x%08x,%p,0x%08x,%p) stub!\n",
Object, RequestedInformation, pSecurityDesriptor, Length, ResultLength);
RequestedInformation &= 0x0000000f;
if (RequestedInformation & SACL_SECURITY_INFORMATION) return STATUS_ACCESS_DENIED;
ZeroMemory(Buffer, 256);
RtlCreateSecurityDescriptor((PSECURITY_DESCRIPTOR)psd, SECURITY_DESCRIPTOR_REVISION);
psd->Control = SE_SELF_RELATIVE |
((RequestedInformation & DACL_SECURITY_INFORMATION) ? SE_DACL_PRESENT:0);
/* owner: administrator S-1-5-20-220*/
if (OWNER_SECURITY_INFORMATION & RequestedInformation)
{
SID* psid = (SID*)&(Buffer[BufferIndex]);
psd->Owner = BufferIndex;
BufferIndex += RtlLengthRequiredSid(2);
psid->Revision = SID_REVISION;
psid->SubAuthorityCount = 2;
psid->IdentifierAuthority = localSidAuthority;
psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
}
/* group: built in domain S-1-5-12 */
if (GROUP_SECURITY_INFORMATION & RequestedInformation)
{
SID* psid = (SID*) &(Buffer[BufferIndex]);
psd->Group = BufferIndex;
BufferIndex += RtlLengthRequiredSid(1);
psid->Revision = SID_REVISION;
psid->SubAuthorityCount = 1;
psid->IdentifierAuthority = localSidAuthority;
psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
}
/* discretionary ACL */
if (DACL_SECURITY_INFORMATION & RequestedInformation)
{
/* acl header */
PACL pacl = (PACL)&(Buffer[BufferIndex]);
PACCESS_ALLOWED_ACE pace;
SID* psid;
psd->Dacl = BufferIndex;
pacl->AclRevision = MIN_ACL_REVISION;
pacl->AceCount = 3;
pacl->AclSize = BufferIndex; /* storing the start index temporary */
BufferIndex += sizeof(ACL);
/* ACE System - full access */
pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER | 0x3f;
pace->SidStart = BufferIndex;
/* SID S-1-5-12 (System) */
psid = (SID*)&(Buffer[BufferIndex]);
BufferIndex += RtlLengthRequiredSid(1);
psid->Revision = SID_REVISION;
psid->SubAuthorityCount = 1;
psid->IdentifierAuthority = localSidAuthority;
psid->SubAuthority[0] = SECURITY_LOCAL_SYSTEM_RID;
/* ACE Administrators - full access*/
pace = (PACCESS_ALLOWED_ACE) &(Buffer[BufferIndex]);
BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(2);
pace->Mask = DELETE | READ_CONTROL | WRITE_DAC | WRITE_OWNER | 0x3f;
pace->SidStart = BufferIndex;
/* S-1-5-12 (Administrators) */
psid = (SID*)&(Buffer[BufferIndex]);
BufferIndex += RtlLengthRequiredSid(2);
psid->Revision = SID_REVISION;
psid->SubAuthorityCount = 2;
psid->IdentifierAuthority = localSidAuthority;
psid->SubAuthority[0] = SECURITY_BUILTIN_DOMAIN_RID;
psid->SubAuthority[1] = DOMAIN_ALIAS_RID_ADMINS;
/* ACE Everyone - read access */
pace = (PACCESS_ALLOWED_ACE)&(Buffer[BufferIndex]);
BufferIndex += sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD);
pace->Header.AceType = ACCESS_ALLOWED_ACE_TYPE;
pace->Header.AceFlags = CONTAINER_INHERIT_ACE;
pace->Header.AceSize = sizeof(ACCESS_ALLOWED_ACE)-sizeof(DWORD) + RtlLengthRequiredSid(1);
pace->Mask = READ_CONTROL| 0x19;
pace->SidStart = BufferIndex;
/* SID S-1-1-0 (Everyone) */
psid = (SID*)&(Buffer[BufferIndex]);
BufferIndex += RtlLengthRequiredSid(1);
psid->Revision = SID_REVISION;
psid->SubAuthorityCount = 1;
psid->IdentifierAuthority = worldSidAuthority;
psid->SubAuthority[0] = 0;
/* calculate used bytes */
pacl->AclSize = BufferIndex - pacl->AclSize;
}
*ResultLength = BufferIndex;
TRACE("len=%u\n", *ResultLength);
if (Length < *ResultLength) return STATUS_BUFFER_TOO_SMALL;
memcpy(pSecurityDesriptor, Buffer, *ResultLength);
return STATUS_SUCCESS;
}
/******************************************************************************
* NtDuplicateObject [NTDLL.@]
* ZwDuplicateObject [NTDLL.@]
*/
NTSTATUS WINAPI NtDuplicateObject( HANDLE source_process, HANDLE source,
HANDLE dest_process, PHANDLE dest,
ACCESS_MASK access, ULONG attributes, ULONG options )
{
NTSTATUS ret;
SERVER_START_REQ( dup_handle )
{
req->src_process = source_process;
req->src_handle = source;
req->dst_process = dest_process;
req->access = access;
req->attributes = attributes;
req->options = options;
if (!(ret = wine_server_call( req )))
{
if (dest) *dest = reply->handle;
if (reply->closed)
{
if (reply->self)
{
int fd = server_remove_fd_from_cache( source );
if (fd != -1) close( fd );
}
}
else if (options & DUPLICATE_CLOSE_SOURCE)
WARN( "failed to close handle %p in process %p\n", source, source_process );
}
}
SERVER_END_REQ;
return ret;
}
/**************************************************************************
* NtClose [NTDLL.@]
*
* Close a handle reference to an object.
*
* PARAMS
* Handle [I] handle to close
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtClose( HANDLE Handle )
{
NTSTATUS ret;
int fd = server_remove_fd_from_cache( Handle );
SERVER_START_REQ( close_handle )
{
req->handle = Handle;
ret = wine_server_call( req );
}
SERVER_END_REQ;
if (fd != -1) close( fd );
return ret;
}
/*
* Directory functions
*/
/**************************************************************************
* NtOpenDirectoryObject [NTDLL.@]
* ZwOpenDirectoryObject [NTDLL.@]
*
* Open a namespace directory object.
*
* PARAMS
* DirectoryHandle [O] Destination for the new directory handle
* DesiredAccess [I] Desired access to the directory
* ObjectAttributes [I] Structure describing the directory
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtOpenDirectoryObject(PHANDLE DirectoryHandle, ACCESS_MASK DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttributes)
{
NTSTATUS ret;
TRACE("(%p,0x%08x)\n", DirectoryHandle, DesiredAccess);
dump_ObjectAttributes(ObjectAttributes);
if (!DirectoryHandle) return STATUS_ACCESS_VIOLATION;
if (!ObjectAttributes) return STATUS_INVALID_PARAMETER;
/* Have to test it here because server won't know difference between
* ObjectName == NULL and ObjectName == "" */
if (!ObjectAttributes->ObjectName)
{
if (ObjectAttributes->RootDirectory)
return STATUS_OBJECT_NAME_INVALID;
else
return STATUS_OBJECT_PATH_SYNTAX_BAD;
}
SERVER_START_REQ(open_directory)
{
req->access = DesiredAccess;
req->attributes = ObjectAttributes->Attributes;
req->rootdir = ObjectAttributes->RootDirectory;
if (ObjectAttributes->ObjectName)
wine_server_add_data(req, ObjectAttributes->ObjectName->Buffer,
ObjectAttributes->ObjectName->Length);
ret = wine_server_call( req );
*DirectoryHandle = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtCreateDirectoryObject [NTDLL.@]
* ZwCreateDirectoryObject [NTDLL.@]
*
* Create a namespace directory object.
*
* PARAMS
* DirectoryHandle [O] Destination for the new directory handle
* DesiredAccess [I] Desired access to the directory
* ObjectAttributes [I] Structure describing the directory
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtCreateDirectoryObject(PHANDLE DirectoryHandle, ACCESS_MASK DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttributes)
{
NTSTATUS ret;
TRACE("(%p,0x%08x)\n", DirectoryHandle, DesiredAccess);
dump_ObjectAttributes(ObjectAttributes);
if (!DirectoryHandle) return STATUS_ACCESS_VIOLATION;
SERVER_START_REQ(create_directory)
{
req->access = DesiredAccess;
req->attributes = ObjectAttributes ? ObjectAttributes->Attributes : 0;
req->rootdir = ObjectAttributes ? ObjectAttributes->RootDirectory : 0;
if (ObjectAttributes && ObjectAttributes->ObjectName)
wine_server_add_data(req, ObjectAttributes->ObjectName->Buffer,
ObjectAttributes->ObjectName->Length);
ret = wine_server_call( req );
*DirectoryHandle = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtQueryDirectoryObject [NTDLL.@]
* ZwQueryDirectoryObject [NTDLL.@]
*
* Read information from a namespace directory.
*
* PARAMS
* DirectoryHandle [I] Handle to a directory object
* Buffer [O] Buffer to hold the read data
* BufferLength [I] Size of the buffer in bytes
* ReturnSingleEntry [I] If TRUE, return a single entry, if FALSE, return as many as fit in the buffer
* RestartScan [I] If TRUE, start scanning from the start, if FALSE, scan from Context
* Context [I/O] Indicates what point of the directory the scan is at
* ReturnLength [O] Caller supplied storage for the number of bytes written (or NULL)
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtQueryDirectoryObject(IN HANDLE DirectoryHandle, OUT PDIRECTORY_BASIC_INFORMATION Buffer,
IN ULONG BufferLength, IN BOOLEAN ReturnSingleEntry, IN BOOLEAN RestartScan,
IN OUT PULONG Context, OUT PULONG ReturnLength OPTIONAL)
{
FIXME("(%p,%p,0x%08x,0x%08x,0x%08x,%p,%p), stub\n", DirectoryHandle, Buffer, BufferLength, ReturnSingleEntry,
RestartScan, Context, ReturnLength);
return STATUS_NOT_IMPLEMENTED;
}
/*
* Link objects
*/
/******************************************************************************
* NtOpenSymbolicLinkObject [NTDLL.@]
* ZwOpenSymbolicLinkObject [NTDLL.@]
*
* Open a namespace symbolic link object.
*
* PARAMS
* LinkHandle [O] Destination for the new symbolic link handle
* DesiredAccess [I] Desired access to the symbolic link
* ObjectAttributes [I] Structure describing the symbolic link
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtOpenSymbolicLinkObject(OUT PHANDLE LinkHandle, IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes)
{
NTSTATUS ret;
TRACE("(%p,0x%08x,%p)\n",LinkHandle, DesiredAccess, ObjectAttributes);
dump_ObjectAttributes(ObjectAttributes);
if (!LinkHandle) return STATUS_ACCESS_VIOLATION;
if (!ObjectAttributes) return STATUS_INVALID_PARAMETER;
/* Have to test it here because server won't know difference between
* ObjectName == NULL and ObjectName == "" */
if (!ObjectAttributes->ObjectName)
{
if (ObjectAttributes->RootDirectory)
return STATUS_OBJECT_NAME_INVALID;
else
return STATUS_OBJECT_PATH_SYNTAX_BAD;
}
SERVER_START_REQ(open_symlink)
{
req->access = DesiredAccess;
req->attributes = ObjectAttributes->Attributes;
req->rootdir = ObjectAttributes->RootDirectory;
if (ObjectAttributes->ObjectName)
wine_server_add_data(req, ObjectAttributes->ObjectName->Buffer,
ObjectAttributes->ObjectName->Length);
ret = wine_server_call( req );
*LinkHandle = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtCreateSymbolicLinkObject [NTDLL.@]
* ZwCreateSymbolicLinkObject [NTDLL.@]
*
* Open a namespace symbolic link object.
*
* PARAMS
* SymbolicLinkHandle [O] Destination for the new symbolic link handle
* DesiredAccess [I] Desired access to the symbolic link
* ObjectAttributes [I] Structure describing the symbolic link
* TargetName [I] Name of the target symbolic link points to
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtCreateSymbolicLinkObject(OUT PHANDLE SymbolicLinkHandle,IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN PUNICODE_STRING TargetName)
{
NTSTATUS ret;
TRACE("(%p,0x%08x,%p, -> %s)\n", SymbolicLinkHandle, DesiredAccess, ObjectAttributes,
debugstr_us(TargetName));
dump_ObjectAttributes(ObjectAttributes);
if (!SymbolicLinkHandle || !TargetName) return STATUS_ACCESS_VIOLATION;
if (!TargetName->Buffer) return STATUS_INVALID_PARAMETER;
SERVER_START_REQ(create_symlink)
{
req->access = DesiredAccess;
req->attributes = ObjectAttributes ? ObjectAttributes->Attributes : 0;
req->rootdir = ObjectAttributes ? ObjectAttributes->RootDirectory : 0;
if (ObjectAttributes && ObjectAttributes->ObjectName)
{
req->name_len = ObjectAttributes->ObjectName->Length;
wine_server_add_data(req, ObjectAttributes->ObjectName->Buffer,
ObjectAttributes->ObjectName->Length);
}
else
req->name_len = 0;
wine_server_add_data(req, TargetName->Buffer, TargetName->Length);
ret = wine_server_call( req );
*SymbolicLinkHandle = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtQuerySymbolicLinkObject [NTDLL.@]
* ZwQuerySymbolicLinkObject [NTDLL.@]
*
* Query a namespace symbolic link object target name.
*
* PARAMS
* LinkHandle [I] Handle to a symbolic link object
* LinkTarget [O] Destination for the symbolic link target
* ReturnedLength [O] Size of returned data
*
* RETURNS
* Success: ERROR_SUCCESS.
* Failure: An NTSTATUS error code.
*/
NTSTATUS WINAPI NtQuerySymbolicLinkObject(IN HANDLE LinkHandle, IN OUT PUNICODE_STRING LinkTarget,
OUT PULONG ReturnedLength OPTIONAL)
{
NTSTATUS ret;
TRACE("(%p,%p,%p)\n", LinkHandle, LinkTarget, ReturnedLength);
if (!LinkTarget) return STATUS_ACCESS_VIOLATION;
SERVER_START_REQ(query_symlink)
{
req->handle = LinkHandle;
wine_server_set_reply( req, LinkTarget->Buffer, LinkTarget->MaximumLength );
if (!(ret = wine_server_call( req )))
{
LinkTarget->Length = wine_server_reply_size(reply);
if (ReturnedLength) *ReturnedLength = LinkTarget->Length;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtAllocateUuids [NTDLL.@]
*/
NTSTATUS WINAPI NtAllocateUuids(
PULARGE_INTEGER Time,
PULONG Range,
PULONG Sequence)
{
FIXME("(%p,%p,%p), stub.\n", Time, Range, Sequence);
return 0;
}
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