Sweden-Number/dlls/ntdll/unix/security.c

833 lines
29 KiB
C

/*
* Security functions
*
* Copyright 1996-1998 Marcus Meissner
* Copyright 2003 CodeWeavers Inc. (Ulrich Czekalla)
*
* 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
*/
#if 0
#pragma makedep unix
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "unix_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
/***********************************************************************
* NtOpenProcessToken (NTDLL.@)
*/
NTSTATUS WINAPI NtOpenProcessToken( HANDLE process, DWORD access, HANDLE *handle )
{
return NtOpenProcessTokenEx( process, access, 0, handle );
}
/***********************************************************************
* NtOpenProcessTokenEx (NTDLL.@)
*/
NTSTATUS WINAPI NtOpenProcessTokenEx( HANDLE process, DWORD access, DWORD attributes, HANDLE *handle )
{
NTSTATUS ret;
TRACE( "(%p,0x%08x,0x%08x,%p)\n", process, access, attributes, handle );
SERVER_START_REQ( open_token )
{
req->handle = wine_server_obj_handle( process );
req->access = access;
req->attributes = attributes;
req->flags = 0;
ret = wine_server_call( req );
if (!ret) *handle = wine_server_ptr_handle( reply->token );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtOpenThreadToken (NTDLL.@)
*/
NTSTATUS WINAPI NtOpenThreadToken( HANDLE thread, DWORD access, BOOLEAN self, HANDLE *handle )
{
return NtOpenThreadTokenEx( thread, access, self, 0, handle );
}
/***********************************************************************
* NtOpenThreadTokenEx (NTDLL.@)
*/
NTSTATUS WINAPI NtOpenThreadTokenEx( HANDLE thread, DWORD access, BOOLEAN self, DWORD attributes,
HANDLE *handle )
{
NTSTATUS ret;
TRACE( "(%p,0x%08x,%u,0x%08x,%p)\n", thread, access, self, attributes, handle );
SERVER_START_REQ( open_token )
{
req->handle = wine_server_obj_handle( thread );
req->access = access;
req->attributes = attributes;
req->flags = OPEN_TOKEN_THREAD;
if (self) req->flags |= OPEN_TOKEN_AS_SELF;
ret = wine_server_call( req );
if (!ret) *handle = wine_server_ptr_handle( reply->token );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtDuplicateToken (NTDLL.@)
*/
NTSTATUS WINAPI NtDuplicateToken( HANDLE token, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
SECURITY_IMPERSONATION_LEVEL level, TOKEN_TYPE type, HANDLE *handle )
{
NTSTATUS status;
data_size_t len;
struct object_attributes *objattr;
if ((status = alloc_object_attributes( attr, &objattr, &len ))) return status;
if (attr && attr->SecurityQualityOfService)
{
SECURITY_QUALITY_OF_SERVICE *qos = attr->SecurityQualityOfService;
TRACE( "ObjectAttributes->SecurityQualityOfService = {%d, %d, %d, %s}\n",
qos->Length, qos->ImpersonationLevel, qos->ContextTrackingMode,
qos->EffectiveOnly ? "TRUE" : "FALSE");
level = qos->ImpersonationLevel;
}
SERVER_START_REQ( duplicate_token )
{
req->handle = wine_server_obj_handle( token );
req->access = access;
req->primary = (type == TokenPrimary);
req->impersonation_level = level;
wine_server_add_data( req, objattr, len );
status = wine_server_call( req );
if (!status) *handle = wine_server_ptr_handle( reply->new_handle );
}
SERVER_END_REQ;
free( objattr );
return status;
}
/***********************************************************************
* NtQueryInformationToken (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryInformationToken( HANDLE token, TOKEN_INFORMATION_CLASS class,
void *info, ULONG length, ULONG *retlen )
{
static const ULONG info_len [] =
{
0,
0, /* TokenUser */
0, /* TokenGroups */
0, /* TokenPrivileges */
0, /* TokenOwner */
0, /* TokenPrimaryGroup */
0, /* TokenDefaultDacl */
sizeof(TOKEN_SOURCE), /* TokenSource */
sizeof(TOKEN_TYPE), /* TokenType */
sizeof(SECURITY_IMPERSONATION_LEVEL), /* TokenImpersonationLevel */
sizeof(TOKEN_STATISTICS), /* TokenStatistics */
0, /* TokenRestrictedSids */
sizeof(DWORD), /* TokenSessionId */
0, /* TokenGroupsAndPrivileges */
0, /* TokenSessionReference */
0, /* TokenSandBoxInert */
0, /* TokenAuditPolicy */
0, /* TokenOrigin */
sizeof(TOKEN_ELEVATION_TYPE), /* TokenElevationType */
0, /* TokenLinkedToken */
sizeof(TOKEN_ELEVATION), /* TokenElevation */
0, /* TokenHasRestrictions */
0, /* TokenAccessInformation */
0, /* TokenVirtualizationAllowed */
sizeof(DWORD), /* TokenVirtualizationEnabled */
sizeof(TOKEN_MANDATORY_LABEL) + sizeof(SID), /* TokenIntegrityLevel [sizeof(SID) includes one SubAuthority] */
0, /* TokenUIAccess */
0, /* TokenMandatoryPolicy */
0, /* TokenLogonSid */
sizeof(DWORD), /* TokenIsAppContainer */
0, /* TokenCapabilities */
sizeof(TOKEN_APPCONTAINER_INFORMATION) + sizeof(SID), /* TokenAppContainerSid */
0, /* TokenAppContainerNumber */
0, /* TokenUserClaimAttributes*/
0, /* TokenDeviceClaimAttributes */
0, /* TokenRestrictedUserClaimAttributes */
0, /* TokenRestrictedDeviceClaimAttributes */
0, /* TokenDeviceGroups */
0, /* TokenRestrictedDeviceGroups */
0, /* TokenSecurityAttributes */
0, /* TokenIsRestricted */
0 /* TokenProcessTrustLevel */
};
ULONG len = 0;
NTSTATUS status = STATUS_SUCCESS;
TRACE( "(%p,%d,%p,%d,%p)\n", token, class, info, length, retlen );
if (class < MaxTokenInfoClass) len = info_len[class];
if (retlen) *retlen = len;
if (length < len) return STATUS_BUFFER_TOO_SMALL;
switch (class)
{
case TokenUser:
SERVER_START_REQ( get_token_sid )
{
TOKEN_USER *tuser = info;
PSID sid = tuser + 1;
DWORD sid_len = length < sizeof(TOKEN_USER) ? 0 : length - sizeof(TOKEN_USER);
req->handle = wine_server_obj_handle( token );
req->which_sid = class;
wine_server_set_reply( req, sid, sid_len );
status = wine_server_call( req );
if (retlen) *retlen = reply->sid_len + sizeof(TOKEN_USER);
if (status == STATUS_SUCCESS)
{
tuser->User.Sid = sid;
tuser->User.Attributes = 0;
}
}
SERVER_END_REQ;
break;
case TokenGroups:
{
/* reply buffer is always shorter than output one */
void *buffer = malloc( length );
SERVER_START_REQ( get_token_groups )
{
TOKEN_GROUPS *groups = info;
req->handle = wine_server_obj_handle( token );
wine_server_set_reply( req, buffer, length );
status = wine_server_call( req );
if (status == STATUS_BUFFER_TOO_SMALL)
{
if (retlen) *retlen = reply->user_len;
}
else if (status == STATUS_SUCCESS)
{
struct token_groups *tg = buffer;
unsigned int *attr = (unsigned int *)(tg + 1);
ULONG i;
const int non_sid_portion = (sizeof(struct token_groups) + tg->count * sizeof(unsigned int));
SID *sids = (SID *)((char *)info + FIELD_OFFSET( TOKEN_GROUPS, Groups[tg->count] ));
if (retlen) *retlen = reply->user_len;
groups->GroupCount = tg->count;
memcpy( sids, (char *)buffer + non_sid_portion,
reply->user_len - offsetof( TOKEN_GROUPS, Groups[tg->count] ));
for (i = 0; i < tg->count; i++)
{
groups->Groups[i].Attributes = attr[i];
groups->Groups[i].Sid = sids;
sids = (SID *)((char *)sids + offsetof( SID, SubAuthority[sids->SubAuthorityCount] ));
}
}
else if (retlen) *retlen = 0;
}
SERVER_END_REQ;
free( buffer );
break;
}
case TokenPrimaryGroup:
SERVER_START_REQ( get_token_sid )
{
TOKEN_PRIMARY_GROUP *tgroup = info;
PSID sid = tgroup + 1;
DWORD sid_len = length < sizeof(TOKEN_PRIMARY_GROUP) ? 0 : length - sizeof(TOKEN_PRIMARY_GROUP);
req->handle = wine_server_obj_handle( token );
req->which_sid = class;
wine_server_set_reply( req, sid, sid_len );
status = wine_server_call( req );
if (retlen) *retlen = reply->sid_len + sizeof(TOKEN_PRIMARY_GROUP);
if (status == STATUS_SUCCESS) tgroup->PrimaryGroup = sid;
}
SERVER_END_REQ;
break;
case TokenPrivileges:
SERVER_START_REQ( get_token_privileges )
{
TOKEN_PRIVILEGES *tpriv = info;
req->handle = wine_server_obj_handle( token );
if (tpriv && length > FIELD_OFFSET( TOKEN_PRIVILEGES, Privileges ))
wine_server_set_reply( req, tpriv->Privileges, length - FIELD_OFFSET( TOKEN_PRIVILEGES, Privileges ) );
status = wine_server_call( req );
if (retlen) *retlen = FIELD_OFFSET( TOKEN_PRIVILEGES, Privileges ) + reply->len;
if (tpriv) tpriv->PrivilegeCount = reply->len / sizeof(LUID_AND_ATTRIBUTES);
}
SERVER_END_REQ;
break;
case TokenOwner:
SERVER_START_REQ( get_token_sid )
{
TOKEN_OWNER *towner = info;
PSID sid = towner + 1;
DWORD sid_len = length < sizeof(TOKEN_OWNER) ? 0 : length - sizeof(TOKEN_OWNER);
req->handle = wine_server_obj_handle( token );
req->which_sid = class;
wine_server_set_reply( req, sid, sid_len );
status = wine_server_call( req );
if (retlen) *retlen = reply->sid_len + sizeof(TOKEN_OWNER);
if (status == STATUS_SUCCESS) towner->Owner = sid;
}
SERVER_END_REQ;
break;
case TokenImpersonationLevel:
SERVER_START_REQ( get_token_impersonation_level )
{
SECURITY_IMPERSONATION_LEVEL *level = info;
req->handle = wine_server_obj_handle( token );
status = wine_server_call( req );
if (status == STATUS_SUCCESS) *level = reply->impersonation_level;
}
SERVER_END_REQ;
break;
case TokenStatistics:
SERVER_START_REQ( get_token_statistics )
{
TOKEN_STATISTICS *statistics = info;
req->handle = wine_server_obj_handle( token );
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
statistics->TokenId.LowPart = reply->token_id.low_part;
statistics->TokenId.HighPart = reply->token_id.high_part;
statistics->AuthenticationId.LowPart = 0; /* FIXME */
statistics->AuthenticationId.HighPart = 0; /* FIXME */
statistics->ExpirationTime.u.HighPart = 0x7fffffff;
statistics->ExpirationTime.u.LowPart = 0xffffffff;
statistics->TokenType = reply->primary ? TokenPrimary : TokenImpersonation;
statistics->ImpersonationLevel = reply->impersonation_level;
/* kernel information not relevant to us */
statistics->DynamicCharged = 0;
statistics->DynamicAvailable = 0;
statistics->GroupCount = reply->group_count;
statistics->PrivilegeCount = reply->privilege_count;
statistics->ModifiedId.LowPart = reply->modified_id.low_part;
statistics->ModifiedId.HighPart = reply->modified_id.high_part;
}
}
SERVER_END_REQ;
break;
case TokenType:
SERVER_START_REQ( get_token_statistics )
{
TOKEN_TYPE *type = info;
req->handle = wine_server_obj_handle( token );
status = wine_server_call( req );
if (status == STATUS_SUCCESS) *type = reply->primary ? TokenPrimary : TokenImpersonation;
}
SERVER_END_REQ;
break;
case TokenDefaultDacl:
SERVER_START_REQ( get_token_default_dacl )
{
TOKEN_DEFAULT_DACL *default_dacl = info;
ACL *acl = (ACL *)(default_dacl + 1);
DWORD acl_len = length < sizeof(TOKEN_DEFAULT_DACL) ? 0 : length - sizeof(TOKEN_DEFAULT_DACL);
req->handle = wine_server_obj_handle( token );
wine_server_set_reply( req, acl, acl_len );
status = wine_server_call( req );
if (retlen) *retlen = reply->acl_len + sizeof(TOKEN_DEFAULT_DACL);
if (status == STATUS_SUCCESS)
{
if (reply->acl_len)
default_dacl->DefaultDacl = acl;
else
default_dacl->DefaultDacl = NULL;
}
}
SERVER_END_REQ;
break;
case TokenElevationType:
{
TOKEN_ELEVATION_TYPE *type = info;
FIXME("QueryInformationToken( ..., TokenElevationType, ...) semi-stub\n");
*type = TokenElevationTypeFull;
}
break;
case TokenElevation:
{
TOKEN_ELEVATION *elevation = info;
FIXME("QueryInformationToken( ..., TokenElevation, ...) semi-stub\n");
elevation->TokenIsElevated = TRUE;
}
break;
case TokenSessionId:
{
*(DWORD *)info = 0;
FIXME("QueryInformationToken( ..., TokenSessionId, ...) semi-stub\n");
}
break;
case TokenVirtualizationEnabled:
{
*(DWORD *)info = 0;
TRACE("QueryInformationToken( ..., TokenVirtualizationEnabled, ...) semi-stub\n");
}
break;
case TokenIntegrityLevel:
{
/* report always "S-1-16-12288" (high mandatory level) for now */
static const SID high_level = {SID_REVISION, 1, {SECURITY_MANDATORY_LABEL_AUTHORITY},
{SECURITY_MANDATORY_HIGH_RID}};
TOKEN_MANDATORY_LABEL *tml = info;
PSID psid = tml + 1;
tml->Label.Sid = psid;
tml->Label.Attributes = SE_GROUP_INTEGRITY | SE_GROUP_INTEGRITY_ENABLED;
memcpy( psid, &high_level, sizeof(SID) );
}
break;
case TokenAppContainerSid:
{
TOKEN_APPCONTAINER_INFORMATION *container = info;
FIXME("QueryInformationToken( ..., TokenAppContainerSid, ...) semi-stub\n");
container->TokenAppContainer = NULL;
}
break;
case TokenIsAppContainer:
{
TRACE("TokenIsAppContainer semi-stub\n");
*(DWORD *)info = 0;
break;
}
case TokenLogonSid:
SERVER_START_REQ( get_token_sid )
{
TOKEN_GROUPS * groups = info;
PSID sid = groups + 1;
DWORD sid_len = length < sizeof(TOKEN_GROUPS) ? 0 : length - sizeof(TOKEN_GROUPS);
req->handle = wine_server_obj_handle( token );
req->which_sid = class;
wine_server_set_reply( req, sid, sid_len );
status = wine_server_call( req );
if (retlen) *retlen = reply->sid_len + sizeof(TOKEN_GROUPS);
if (status == STATUS_SUCCESS)
{
groups->GroupCount = 1;
groups->Groups[0].Sid = sid;
groups->Groups[0].Attributes = 0;
}
}
SERVER_END_REQ;
break;
default:
ERR( "Unhandled token information class %u\n", class );
return STATUS_NOT_IMPLEMENTED;
}
return status;
}
/***********************************************************************
* NtSetInformationToken (NTDLL.@)
*/
NTSTATUS WINAPI NtSetInformationToken( HANDLE token, TOKEN_INFORMATION_CLASS class,
void *info, ULONG length )
{
NTSTATUS ret = STATUS_NOT_IMPLEMENTED;
TRACE( "%p %d %p %u\n", token, class, info, length );
switch (class)
{
case TokenDefaultDacl:
if (length < sizeof(TOKEN_DEFAULT_DACL))
{
ret = STATUS_INFO_LENGTH_MISMATCH;
break;
}
if (!info)
{
ret = STATUS_ACCESS_VIOLATION;
break;
}
SERVER_START_REQ( set_token_default_dacl )
{
ACL *acl = ((TOKEN_DEFAULT_DACL *)info)->DefaultDacl;
WORD size;
if (acl) size = acl->AclSize;
else size = 0;
req->handle = wine_server_obj_handle( token );
wine_server_add_data( req, acl, size );
ret = wine_server_call( req );
}
SERVER_END_REQ;
break;
case TokenSessionId:
if (length < sizeof(DWORD))
{
ret = STATUS_INFO_LENGTH_MISMATCH;
break;
}
if (!info)
{
ret = STATUS_ACCESS_VIOLATION;
break;
}
FIXME("TokenSessionId stub!\n");
ret = STATUS_SUCCESS;
break;
case TokenIntegrityLevel:
FIXME( "TokenIntegrityLevel stub!\n" );
ret = STATUS_SUCCESS;
break;
default:
FIXME( "unimplemented class %u\n", class );
break;
}
return ret;
}
/***********************************************************************
* NtCreateLowBoxToken (NTDLL.@)
*/
NTSTATUS WINAPI NtCreateLowBoxToken( HANDLE *token_handle, HANDLE token, ACCESS_MASK access,
OBJECT_ATTRIBUTES *attr, SID *sid, ULONG count,
SID_AND_ATTRIBUTES *capabilities, ULONG handle_count, HANDLE *handle )
{
FIXME("(%p, %p, %x, %p, %p, %u, %p, %u, %p): stub\n",
token_handle, token, access, attr, sid, count, capabilities, handle_count, handle );
/* we need to return a NULL handle since later it will be passed to NtClose and that must not fail */
*token_handle = NULL;
return STATUS_SUCCESS;
}
/***********************************************************************
* NtAdjustGroupsToken (NTDLL.@)
*/
NTSTATUS WINAPI NtAdjustGroupsToken( HANDLE token, BOOLEAN reset, TOKEN_GROUPS *groups,
ULONG length, TOKEN_GROUPS *prev, ULONG *retlen )
{
FIXME( "%p %d %p %u %p %p\n", token, reset, groups, length, prev, retlen );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* NtAdjustPrivilegesToken (NTDLL.@)
*/
NTSTATUS WINAPI NtAdjustPrivilegesToken( HANDLE token, BOOLEAN disable, TOKEN_PRIVILEGES *privs,
DWORD length, TOKEN_PRIVILEGES *prev, DWORD *retlen )
{
NTSTATUS ret;
TRACE( "(%p,0x%08x,%p,0x%08x,%p,%p)\n", token, disable, privs, length, prev, retlen );
SERVER_START_REQ( adjust_token_privileges )
{
req->handle = wine_server_obj_handle( token );
req->disable_all = disable;
req->get_modified_state = (prev != NULL);
if (!disable)
wine_server_add_data( req, privs->Privileges,
privs->PrivilegeCount * sizeof(privs->Privileges[0]) );
if (prev && length >= FIELD_OFFSET( TOKEN_PRIVILEGES, Privileges ))
wine_server_set_reply( req, prev->Privileges,
length - FIELD_OFFSET( TOKEN_PRIVILEGES, Privileges ) );
ret = wine_server_call( req );
if (prev)
{
if (retlen) *retlen = reply->len + FIELD_OFFSET( TOKEN_PRIVILEGES, Privileges );
prev->PrivilegeCount = reply->len / sizeof(LUID_AND_ATTRIBUTES);
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtPrivilegeCheck (NTDLL.@)
*/
NTSTATUS WINAPI NtPrivilegeCheck( HANDLE token, PRIVILEGE_SET *privs, BOOLEAN *res )
{
NTSTATUS status;
SERVER_START_REQ( check_token_privileges )
{
req->handle = wine_server_obj_handle( token );
req->all_required = (privs->Control & PRIVILEGE_SET_ALL_NECESSARY) != 0;
wine_server_add_data( req, privs->Privilege, privs->PrivilegeCount * sizeof(privs->Privilege[0]) );
wine_server_set_reply( req, privs->Privilege, privs->PrivilegeCount * sizeof(privs->Privilege[0]) );
status = wine_server_call( req );
if (status == STATUS_SUCCESS) *res = reply->has_privileges != 0;
}
SERVER_END_REQ;
return status;
}
/***********************************************************************
* NtImpersonateAnonymousToken (NTDLL.@)
*/
NTSTATUS WINAPI NtImpersonateAnonymousToken( HANDLE thread )
{
FIXME( "(%p): stub\n", thread );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* NtAccessCheck (NTDLL.@)
*/
NTSTATUS WINAPI NtAccessCheck( PSECURITY_DESCRIPTOR descr, HANDLE token, ACCESS_MASK access,
GENERIC_MAPPING *mapping, PRIVILEGE_SET *privs, ULONG *retlen,
ULONG *access_granted, NTSTATUS *access_status)
{
struct object_attributes *objattr;
data_size_t len;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
TRACE( "(%p, %p, %08x, %p, %p, %p, %p, %p)\n",
descr, token, access, mapping, privs, retlen, access_granted, access_status );
if (!privs || !retlen) return STATUS_ACCESS_VIOLATION;
/* reuse the object attribute SD marshalling */
InitializeObjectAttributes( &attr, NULL, 0, 0, descr );
if ((status = alloc_object_attributes( &attr, &objattr, &len ))) return status;
SERVER_START_REQ( access_check )
{
req->handle = wine_server_obj_handle( token );
req->desired_access = access;
req->mapping_read = mapping->GenericRead;
req->mapping_write = mapping->GenericWrite;
req->mapping_execute = mapping->GenericExecute;
req->mapping_all = mapping->GenericAll;
wine_server_add_data( req, objattr + 1, objattr->sd_len );
wine_server_set_reply( req, privs->Privilege, *retlen - offsetof( PRIVILEGE_SET, Privilege ) );
status = wine_server_call( req );
*retlen = offsetof( PRIVILEGE_SET, Privilege ) + reply->privileges_len;
privs->PrivilegeCount = reply->privileges_len / sizeof(LUID_AND_ATTRIBUTES);
if (status == STATUS_SUCCESS)
{
*access_status = reply->access_status;
*access_granted = reply->access_granted;
}
}
SERVER_END_REQ;
free( objattr );
return status;
}
/***********************************************************************
* NtAccessCheckAndAuditAlarm (NTDLL.@)
*/
NTSTATUS WINAPI NtAccessCheckAndAuditAlarm( UNICODE_STRING *subsystem, HANDLE handle,
UNICODE_STRING *typename, UNICODE_STRING *objectname,
PSECURITY_DESCRIPTOR descr, ACCESS_MASK access,
GENERIC_MAPPING *mapping, BOOLEAN creation,
ACCESS_MASK *access_granted, BOOLEAN *access_status,
BOOLEAN *onclose )
{
FIXME( "(%s, %p, %s, %p, 0x%08x, %p, %d, %p, %p, %p), stub\n",
debugstr_us(subsystem), handle, debugstr_us(typename), descr, access,
mapping, creation, access_granted, access_status, onclose );
return STATUS_NOT_IMPLEMENTED;
}
/***********************************************************************
* NtQuerySecurityObject (NTDLL.@)
*/
NTSTATUS WINAPI NtQuerySecurityObject( HANDLE handle, SECURITY_INFORMATION info,
PSECURITY_DESCRIPTOR descr, ULONG length, ULONG *retlen )
{
SECURITY_DESCRIPTOR_RELATIVE *psd = descr;
NTSTATUS status;
void *buffer;
unsigned int buffer_size = 512;
TRACE( "(%p,0x%08x,%p,0x%08x,%p)\n", handle, info, descr, length, retlen );
for (;;)
{
if (!(buffer = malloc( buffer_size ))) return STATUS_NO_MEMORY;
SERVER_START_REQ( get_security_object )
{
req->handle = wine_server_obj_handle( handle );
req->security_info = info;
wine_server_set_reply( req, buffer, buffer_size );
status = wine_server_call( req );
buffer_size = reply->sd_len;
}
SERVER_END_REQ;
if (status == STATUS_BUFFER_TOO_SMALL)
{
free( buffer );
continue;
}
if (status == STATUS_SUCCESS)
{
struct security_descriptor *sd = buffer;
if (!buffer_size) memset( sd, 0, sizeof(*sd) );
*retlen = sizeof(*psd) + sd->owner_len + sd->group_len + sd->sacl_len + sd->dacl_len;
if (length >= *retlen)
{
DWORD len = sizeof(*psd);
memset( psd, 0, len );
psd->Revision = SECURITY_DESCRIPTOR_REVISION;
psd->Control = sd->control | SE_SELF_RELATIVE;
if (sd->owner_len) { psd->Owner = len; len += sd->owner_len; }
if (sd->group_len) { psd->Group = len; len += sd->group_len; }
if (sd->sacl_len) { psd->Sacl = len; len += sd->sacl_len; }
if (sd->dacl_len) { psd->Dacl = len; len += sd->dacl_len; }
/* owner, group, sacl and dacl are the same type as in the server
* and in the same order so we copy the memory in one block */
memcpy( psd + 1, sd + 1, len - sizeof(*psd) );
}
else status = STATUS_BUFFER_TOO_SMALL;
}
free( buffer );
return status;
}
}
/***********************************************************************
* NtSetSecurityObject (NTDLL.@)
*/
NTSTATUS WINAPI NtSetSecurityObject( HANDLE handle, SECURITY_INFORMATION info, PSECURITY_DESCRIPTOR descr )
{
struct object_attributes *objattr;
struct security_descriptor *sd;
data_size_t len;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
TRACE( "%p 0x%08x %p\n", handle, info, descr );
if (!descr) return STATUS_ACCESS_VIOLATION;
/* reuse the object attribute SD marshalling */
InitializeObjectAttributes( &attr, NULL, 0, 0, descr );
if ((status = alloc_object_attributes( &attr, &objattr, &len ))) return status;
sd = (struct security_descriptor *)(objattr + 1);
if (info & OWNER_SECURITY_INFORMATION && !sd->owner_len) return STATUS_INVALID_SECURITY_DESCR;
if (info & GROUP_SECURITY_INFORMATION && !sd->group_len) return STATUS_INVALID_SECURITY_DESCR;
if (info & (SACL_SECURITY_INFORMATION | LABEL_SECURITY_INFORMATION)) sd->control |= SE_SACL_PRESENT;
if (info & DACL_SECURITY_INFORMATION) sd->control |= SE_DACL_PRESENT;
SERVER_START_REQ( set_security_object )
{
req->handle = wine_server_obj_handle( handle );
req->security_info = info;
wine_server_add_data( req, sd, objattr->sd_len );
status = wine_server_call( req );
}
SERVER_END_REQ;
free( objattr );
return status;
}
/***********************************************************************
* NtAllocateLocallyUniqueId (NTDLL.@)
*/
NTSTATUS WINAPI NtAllocateLocallyUniqueId( LUID *luid )
{
NTSTATUS status;
TRACE( "%p\n", luid );
if (!luid) return STATUS_ACCESS_VIOLATION;
SERVER_START_REQ( allocate_locally_unique_id )
{
status = wine_server_call( req );
if (!status)
{
luid->LowPart = reply->luid.low_part;
luid->HighPart = reply->luid.high_part;
}
}
SERVER_END_REQ;
return status;
}
/***********************************************************************
* NtAllocateUuids (NTDLL.@)
*/
NTSTATUS WINAPI NtAllocateUuids( ULARGE_INTEGER *time, ULONG *delta, ULONG *sequence, UCHAR *seed )
{
FIXME( "(%p,%p,%p,%p), stub.\n", time, delta, sequence, seed );
return STATUS_SUCCESS;
}