ホーム › Security.Credentials › CredGetSessionTypes

CredGetSessionTypes

関数

各永続化レベルで許可される最大永続種別を取得する。

DLLADVAPI32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// ADVAPI32.dll
#include <windows.h>

BOOL CredGetSessionTypes(
    DWORD MaximumPersistCount,
    DWORD* MaximumPersist
);

パラメーター

名前	型	方向
MaximumPersistCount	DWORD	in
MaximumPersist	DWORD*	out

戻り値の型: BOOL

各言語での呼び出し定義

// ADVAPI32.dll
#include <windows.h>

BOOL CredGetSessionTypes(
    DWORD MaximumPersistCount,
    DWORD* MaximumPersist
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CredGetSessionTypes(
    uint MaximumPersistCount,   // DWORD
    out uint MaximumPersist   // DWORD* out
);

<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CredGetSessionTypes(
    MaximumPersistCount As UInteger,   ' DWORD
    <Out> ByRef MaximumPersist As UInteger   ' DWORD* out
) As Boolean
End Function

' MaximumPersistCount : DWORD
' MaximumPersist : DWORD* out
Declare PtrSafe Function CredGetSessionTypes Lib "advapi32" ( _
    ByVal MaximumPersistCount As Long, _
    ByRef MaximumPersist As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CredGetSessionTypes = ctypes.windll.advapi32.CredGetSessionTypes
CredGetSessionTypes.restype = wintypes.BOOL
CredGetSessionTypes.argtypes = [
    wintypes.DWORD,  # MaximumPersistCount : DWORD
    ctypes.POINTER(wintypes.DWORD),  # MaximumPersist : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
CredGetSessionTypes = Fiddle::Function.new(
  lib['CredGetSessionTypes'],
  [
    -Fiddle::TYPE_INT,  # MaximumPersistCount : DWORD
    Fiddle::TYPE_VOIDP,  # MaximumPersist : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn CredGetSessionTypes(
        MaximumPersistCount: u32,  // DWORD
        MaximumPersist: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern bool CredGetSessionTypes(uint MaximumPersistCount, out uint MaximumPersist);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CredGetSessionTypes' -Namespace Win32 -PassThru
# $api::CredGetSessionTypes(MaximumPersistCount, MaximumPersist)

#uselib "ADVAPI32.dll"
#func global CredGetSessionTypes "CredGetSessionTypes" sptr, sptr
; CredGetSessionTypes MaximumPersistCount, varptr(MaximumPersist)   ; 戻り値は stat
; MaximumPersistCount : DWORD -> "sptr"
; MaximumPersist : DWORD* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "ADVAPI32.dll"
#cfunc global CredGetSessionTypes "CredGetSessionTypes" int, var
; res = CredGetSessionTypes(MaximumPersistCount, MaximumPersist)
; MaximumPersistCount : DWORD -> "int"
; MaximumPersist : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "ADVAPI32.dll"
#cfunc global CredGetSessionTypes "CredGetSessionTypes" int, sptr
; res = CredGetSessionTypes(MaximumPersistCount, varptr(MaximumPersist))
; MaximumPersistCount : DWORD -> "int"
; MaximumPersist : DWORD* out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL CredGetSessionTypes(DWORD MaximumPersistCount, DWORD* MaximumPersist)
#uselib "ADVAPI32.dll"
#cfunc global CredGetSessionTypes "CredGetSessionTypes" int, var
; res = CredGetSessionTypes(MaximumPersistCount, MaximumPersist)
; MaximumPersistCount : DWORD -> "int"
; MaximumPersist : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; BOOL CredGetSessionTypes(DWORD MaximumPersistCount, DWORD* MaximumPersist)
#uselib "ADVAPI32.dll"
#cfunc global CredGetSessionTypes "CredGetSessionTypes" int, intptr
; res = CredGetSessionTypes(MaximumPersistCount, varptr(MaximumPersist))
; MaximumPersistCount : DWORD -> "int"
; MaximumPersist : DWORD* out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procCredGetSessionTypes = advapi32.NewProc("CredGetSessionTypes")
)

// MaximumPersistCount (DWORD), MaximumPersist (DWORD* out)
r1, _, err := procCredGetSessionTypes.Call(
	uintptr(MaximumPersistCount),
	uintptr(MaximumPersist),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CredGetSessionTypes(
  MaximumPersistCount: DWORD;   // DWORD
  MaximumPersist: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CredGetSessionTypes';

result := DllCall("ADVAPI32\CredGetSessionTypes"
    , "UInt", MaximumPersistCount   ; DWORD
    , "Ptr", MaximumPersist   ; DWORD* out
    , "Int")   ; return: BOOL

●CredGetSessionTypes(MaximumPersistCount, MaximumPersist) = DLL("ADVAPI32.dll", "bool CredGetSessionTypes(dword, void*)")
# 呼び出し: CredGetSessionTypes(MaximumPersistCount, MaximumPersist)
# MaximumPersistCount : DWORD -> "dword"
# MaximumPersist : DWORD* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。