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InternetGetSecurityInfoByURL

関数

指定URLの証明書チェーンとセキュリティフラグを取得する。

DLLWININET.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

// WININET.dll  (ANSI / -A)
#include <windows.h>

BOOL InternetGetSecurityInfoByURL(
    LPSTR lpszURL,
    CERT_CHAIN_CONTEXT** ppCertChain,
    DWORD* pdwSecureFlags
);

パラメーター

名前	型	方向
lpszURL	LPSTR	in
ppCertChain	CERT_CHAIN_CONTEXT**	out
pdwSecureFlags	DWORD*	out

戻り値の型: BOOL

各言語での呼び出し定義

// WININET.dll  (ANSI / -A)
#include <windows.h>

BOOL InternetGetSecurityInfoByURL(
    LPSTR lpszURL,
    CERT_CHAIN_CONTEXT** ppCertChain,
    DWORD* pdwSecureFlags
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern bool InternetGetSecurityInfoByURL(
    [MarshalAs(UnmanagedType.LPStr)] string lpszURL,   // LPSTR
    IntPtr ppCertChain,   // CERT_CHAIN_CONTEXT** out
    out uint pdwSecureFlags   // DWORD* out
);

<DllImport("WININET.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function InternetGetSecurityInfoByURL(
    <MarshalAs(UnmanagedType.LPStr)> lpszURL As String,   ' LPSTR
    ppCertChain As IntPtr,   ' CERT_CHAIN_CONTEXT** out
    <Out> ByRef pdwSecureFlags As UInteger   ' DWORD* out
) As Boolean
End Function

' lpszURL : LPSTR
' ppCertChain : CERT_CHAIN_CONTEXT** out
' pdwSecureFlags : DWORD* out
Declare PtrSafe Function InternetGetSecurityInfoByURL Lib "wininet" ( _
    ByVal lpszURL As String, _
    ByVal ppCertChain As LongPtr, _
    ByRef pdwSecureFlags 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

InternetGetSecurityInfoByURL = ctypes.windll.wininet.InternetGetSecurityInfoByURL
InternetGetSecurityInfoByURL.restype = wintypes.BOOL
InternetGetSecurityInfoByURL.argtypes = [
    wintypes.LPCSTR,  # lpszURL : LPSTR
    ctypes.c_void_p,  # ppCertChain : CERT_CHAIN_CONTEXT** out
    ctypes.POINTER(wintypes.DWORD),  # pdwSecureFlags : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
InternetGetSecurityInfoByURL = Fiddle::Function.new(
  lib['InternetGetSecurityInfoByURL'],
  [
    Fiddle::TYPE_VOIDP,  # lpszURL : LPSTR
    Fiddle::TYPE_VOIDP,  # ppCertChain : CERT_CHAIN_CONTEXT** out
    Fiddle::TYPE_VOIDP,  # pdwSecureFlags : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn InternetGetSecurityInfoByURL(
        lpszURL: *mut u8,  // LPSTR
        ppCertChain: *mut *mut CERT_CHAIN_CONTEXT,  // CERT_CHAIN_CONTEXT** out
        pdwSecureFlags: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi)]
public static extern bool InternetGetSecurityInfoByURL([MarshalAs(UnmanagedType.LPStr)] string lpszURL, IntPtr ppCertChain, out uint pdwSecureFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternetGetSecurityInfoByURL' -Namespace Win32 -PassThru
# $api::InternetGetSecurityInfoByURL(lpszURL, ppCertChain, pdwSecureFlags)

#uselib "WININET.dll"
#func global InternetGetSecurityInfoByURL "InternetGetSecurityInfoByURL" sptr, sptr, sptr
; InternetGetSecurityInfoByURL lpszURL, varptr(ppCertChain), varptr(pdwSecureFlags)   ; 戻り値は stat
; lpszURL : LPSTR -> "sptr"
; ppCertChain : CERT_CHAIN_CONTEXT** out -> "sptr"
; pdwSecureFlags : 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 "WININET.dll"
#cfunc global InternetGetSecurityInfoByURL "InternetGetSecurityInfoByURL" str, var, var
; res = InternetGetSecurityInfoByURL(lpszURL, ppCertChain, pdwSecureFlags)
; lpszURL : LPSTR -> "str"
; ppCertChain : CERT_CHAIN_CONTEXT** out -> "var"
; pdwSecureFlags : 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 "WININET.dll"
#cfunc global InternetGetSecurityInfoByURL "InternetGetSecurityInfoByURL" str, sptr, sptr
; res = InternetGetSecurityInfoByURL(lpszURL, varptr(ppCertChain), varptr(pdwSecureFlags))
; lpszURL : LPSTR -> "str"
; ppCertChain : CERT_CHAIN_CONTEXT** out -> "sptr"
; pdwSecureFlags : 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 InternetGetSecurityInfoByURL(LPSTR lpszURL, CERT_CHAIN_CONTEXT** ppCertChain, DWORD* pdwSecureFlags)
#uselib "WININET.dll"
#cfunc global InternetGetSecurityInfoByURL "InternetGetSecurityInfoByURL" str, var, var
; res = InternetGetSecurityInfoByURL(lpszURL, ppCertChain, pdwSecureFlags)
; lpszURL : LPSTR -> "str"
; ppCertChain : CERT_CHAIN_CONTEXT** out -> "var"
; pdwSecureFlags : 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 InternetGetSecurityInfoByURL(LPSTR lpszURL, CERT_CHAIN_CONTEXT** ppCertChain, DWORD* pdwSecureFlags)
#uselib "WININET.dll"
#cfunc global InternetGetSecurityInfoByURL "InternetGetSecurityInfoByURL" str, intptr, intptr
; res = InternetGetSecurityInfoByURL(lpszURL, varptr(ppCertChain), varptr(pdwSecureFlags))
; lpszURL : LPSTR -> "str"
; ppCertChain : CERT_CHAIN_CONTEXT** out -> "intptr"
; pdwSecureFlags : 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 (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procInternetGetSecurityInfoByURL = wininet.NewProc("InternetGetSecurityInfoByURL")
)

// lpszURL (LPSTR), ppCertChain (CERT_CHAIN_CONTEXT** out), pdwSecureFlags (DWORD* out)
r1, _, err := procInternetGetSecurityInfoByURL.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszURL))),
	uintptr(ppCertChain),
	uintptr(pdwSecureFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function InternetGetSecurityInfoByURL(
  lpszURL: PAnsiChar;   // LPSTR
  ppCertChain: Pointer;   // CERT_CHAIN_CONTEXT** out
  pdwSecureFlags: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'WININET.dll' name 'InternetGetSecurityInfoByURL';

result := DllCall("WININET\InternetGetSecurityInfoByURL"
    , "AStr", lpszURL   ; LPSTR
    , "Ptr", ppCertChain   ; CERT_CHAIN_CONTEXT** out
    , "Ptr", pdwSecureFlags   ; DWORD* out
    , "Int")   ; return: BOOL

●InternetGetSecurityInfoByURL(lpszURL, ppCertChain, pdwSecureFlags) = DLL("WININET.dll", "bool InternetGetSecurityInfoByURL(char*, void*, void*)")
# 呼び出し: InternetGetSecurityInfoByURL(lpszURL, ppCertChain, pdwSecureFlags)
# lpszURL : LPSTR -> "char*"
# ppCertChain : CERT_CHAIN_CONTEXT** out -> "void*"
# pdwSecureFlags : 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)。