174 lines
4.6 KiB
C++
174 lines
4.6 KiB
C++
/* advapi32.cc: Win32 replacement functions.
|
|
|
|
Copyright 2011 Red Hat, Inc.
|
|
|
|
This file is part of Cygwin.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#include "winsup.h"
|
|
#include <winioctl.h>
|
|
#include "shared_info.h"
|
|
#include "ntdll.h"
|
|
#include <wchar.h>
|
|
|
|
#define DEFAULT_NTSTATUS_TO_BOOL_RETURN \
|
|
if (!NT_SUCCESS (status)) \
|
|
SetLastError (RtlNtStatusToDosError (status)); \
|
|
return NT_SUCCESS (status);
|
|
|
|
BOOL WINAPI
|
|
AccessCheck (PSECURITY_DESCRIPTOR sd, HANDLE tok, DWORD access,
|
|
PGENERIC_MAPPING mapping, PPRIVILEGE_SET pset, LPDWORD psetlen,
|
|
LPDWORD granted, LPBOOL allowed)
|
|
{
|
|
NTSTATUS status, astatus;
|
|
|
|
status = NtAccessCheck (sd, tok, access, mapping, pset, psetlen, granted,
|
|
&astatus);
|
|
if (NT_SUCCESS (status))
|
|
*allowed = NT_SUCCESS (astatus);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
PrivilegeCheck (HANDLE tok, PPRIVILEGE_SET pset, LPBOOL res)
|
|
{
|
|
NTSTATUS status = NtPrivilegeCheck (tok, pset, (PBOOLEAN) res);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
EqualSid (PSID sid1, PSID sid2)
|
|
{
|
|
return !!RtlEqualSid (sid1, sid2);
|
|
}
|
|
|
|
BOOL WINAPI
|
|
CopySid (DWORD len, PSID dest, PSID src)
|
|
{
|
|
NTSTATUS status = RtlCopySid (len, dest, src);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
AddAccessAllowedAce (PACL acl, DWORD revision, DWORD mask, PSID sid)
|
|
{
|
|
NTSTATUS status = RtlAddAccessAllowedAce (acl, revision, mask, sid);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
AddAccessDeniedAce (PACL acl, DWORD revision, DWORD mask, PSID sid)
|
|
{
|
|
NTSTATUS status = RtlAddAccessDeniedAce (acl, revision, mask, sid);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
MakeSelfRelativeSD (PSECURITY_DESCRIPTOR abs_sd, PSECURITY_DESCRIPTOR rel_sd,
|
|
LPDWORD len)
|
|
{
|
|
NTSTATUS status = RtlAbsoluteToSelfRelativeSD (abs_sd, rel_sd, len);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
OpenThreadToken (HANDLE thread, DWORD access, BOOL as_self, PHANDLE tok)
|
|
{
|
|
NTSTATUS status = NtOpenThreadToken (thread, access, as_self, tok);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
GetTokenInformation(HANDLE tok, TOKEN_INFORMATION_CLASS infoclass, LPVOID buf,
|
|
DWORD len, PDWORD retlen)
|
|
{
|
|
NTSTATUS status = NtQueryInformationToken (tok, infoclass, buf, len, retlen);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
SetTokenInformation (HANDLE tok, TOKEN_INFORMATION_CLASS infoclass, PVOID buf,
|
|
ULONG len)
|
|
{
|
|
NTSTATUS status = NtSetInformationToken (tok, infoclass, buf, len);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
RevertToSelf ()
|
|
{
|
|
HANDLE tok = NULL;
|
|
NTSTATUS status = NtSetInformationThread (NtCurrentThread (),
|
|
ThreadImpersonationToken,
|
|
&tok, sizeof tok);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
DuplicateTokenEx (HANDLE tok, DWORD access, LPSECURITY_ATTRIBUTES sec_attr,
|
|
SECURITY_IMPERSONATION_LEVEL level, TOKEN_TYPE type,
|
|
PHANDLE new_tok)
|
|
{
|
|
SECURITY_QUALITY_OF_SERVICE sqos =
|
|
{ sizeof sqos, level, SECURITY_STATIC_TRACKING, FALSE };
|
|
OBJECT_ATTRIBUTES attr =
|
|
{ sizeof attr, NULL, NULL,
|
|
sec_attr && sec_attr->bInheritHandle? OBJ_INHERIT : 0,
|
|
sec_attr ? sec_attr->lpSecurityDescriptor : NULL, &sqos };
|
|
NTSTATUS status = NtDuplicateToken (tok, access, &attr, FALSE, type, new_tok);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL WINAPI
|
|
ImpersonateLoggedOnUser (HANDLE tok)
|
|
{
|
|
NTSTATUS status;
|
|
HANDLE ptok = NULL;
|
|
TOKEN_TYPE type;
|
|
ULONG size;
|
|
|
|
status = NtQueryInformationToken (tok, TokenType, &type, sizeof type, &size);
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
SetLastError (RtlNtStatusToDosError (status));
|
|
return FALSE;
|
|
}
|
|
if (type == TokenPrimary)
|
|
{
|
|
/* If its a primary token it must be converted to an impersonated
|
|
token. */
|
|
SECURITY_QUALITY_OF_SERVICE sqos =
|
|
{ sizeof sqos, SecurityImpersonation, SECURITY_DYNAMIC_TRACKING, FALSE};
|
|
OBJECT_ATTRIBUTES attr =
|
|
{ sizeof attr, NULL, NULL, 0, NULL, &sqos };
|
|
|
|
/* The required rights for the impersonation token according to MSDN. */
|
|
status = NtDuplicateToken (tok, TOKEN_QUERY | TOKEN_IMPERSONATE,
|
|
&attr, FALSE, TokenImpersonation, &ptok);
|
|
if (!NT_SUCCESS (status))
|
|
{
|
|
SetLastError (RtlNtStatusToDosError (status));
|
|
return FALSE;
|
|
}
|
|
tok = ptok;
|
|
}
|
|
status = NtSetInformationThread (NtCurrentThread (), ThreadImpersonationToken,
|
|
&tok, sizeof tok);
|
|
if (ptok)
|
|
NtClose (ptok);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|
|
|
|
BOOL
|
|
ImpersonateNamedPipeClient (HANDLE pipe)
|
|
{
|
|
IO_STATUS_BLOCK io;
|
|
NTSTATUS status = NtFsControlFile (pipe, NULL, NULL, NULL, &io,
|
|
FSCTL_PIPE_IMPERSONATE, NULL, 0, NULL, 0);
|
|
DEFAULT_NTSTATUS_TO_BOOL_RETURN
|
|
}
|