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