teraterm/teraterm/setupdirdlg.cpp

/*
 * Copyright (C) 1994-1998 T. Teranishi
 * (C) 2004- TeraTerm Project
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "teraterm.h"
#include "tttypes.h"
#include "tttypes_key.h"

#include "ttcommon.h"
#include "ttdialog.h"
#include "commlib.h"
#include "ttlib.h"
#include "dlglib.h"

#include <stdio.h>
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#include <string.h>
#include <assert.h>

#include <shlobj.h>
#include <windows.h>
#include <wchar.h>
#include <htmlhelp.h>

#include "tt_res.h"
#include "vtwin.h"
#include "compat_win.h"
#include "codeconv.h"
#include "asprintf.h"
#include "helpid.h"
#include "win32helper.h"

#include "setupdirdlg.h"

// Virtual Store���L���������������������������B
//
// [Windows 95-XP]
// return FALSE (always)
//
// [Windows Vista-10]
// return TRUE:  Virtual Store Enabled
//        FALSE: Virtual Store Disabled or Unknown
//
static BOOL GetVirtualStoreEnvironment(void)
{
#if _MSC_VER == 1400  // VSC2005(VC8.0)
        typedef struct _TOKEN_ELEVATION {
                DWORD TokenIsElevated;
        } TOKEN_ELEVATION, *PTOKEN_ELEVATION;
        int TokenElevation = 20;
#endif
        BOOL ret = FALSE;
        int flag = 0;
        HANDLE          hToken;
        DWORD           dwLength;
        TOKEN_ELEVATION tokenElevation;
        LONG lRet;
        HKEY hKey;
        char lpData[256];
        DWORD dwDataSize;
        DWORD dwType;
        BYTE bValue;

        // Windows Vista���O�����������B
        if (!IsWindowsVistaOrLater())
                goto error;

        // UAC���L�����������B
        // HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System��EnableLUA(DWORD�l)��0�������������f��������(0��UAC�����A1��UAC�L��)�B
        flag = 0;
        lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
                                                 "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System",
                                                 0, KEY_QUERY_VALUE, &hKey);
        if (lRet == ERROR_SUCCESS) {
                dwDataSize = sizeof(lpData) / sizeof(lpData[0]);
                lRet = RegQueryValueExA(
                        hKey,
                        "EnableLUA",
                        0,
                        &dwType,
                        (LPBYTE)lpData,
                        &dwDataSize);
                if (lRet == ERROR_SUCCESS) {
                        bValue = ((LPBYTE)lpData)[0];
                        if (bValue == 1)
                                // UAC���L���������AVirtual Store�������B
                                flag = 1;
                }
                RegCloseKey(hKey);
        }
        if (flag == 0)
                goto error;

        // UAC���L�����A�v���Z�X�����������������i�����������B
        flag = 0;
        if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY | TOKEN_ADJUST_DEFAULT, &hToken)) {
                if (GetTokenInformation(hToken, (TOKEN_INFORMATION_CLASS)TokenElevation, &tokenElevation, sizeof(TOKEN_ELEVATION), &dwLength)) {
                        // (0�����i�����������A��0�����i��������)�B
                        if (tokenElevation.TokenIsElevated == 0) {
                                // �����������������������������AVirtual Store�������B
                                flag = 1;
                        }
                }
                CloseHandle(hToken);
        }
        if (flag == 0)
                goto error;

        ret = TRUE;
        return (ret);

error:
        return (ret);
}

//
// �w�������A�v���P�[�V�������t�@�C�����J���B
//
// return TRUE: success
//        FALSE: failure
//
static BOOL openFileWithApplication(const wchar_t *filename, const char *editor, const wchar_t *UILanguageFile)
{
        wchar_t *commandW = NULL;
        BOOL ret = FALSE;

        if (GetFileAttributesW(filename) == INVALID_FILE_ATTRIBUTES) {
                // �t�@�C��������������
                DWORD no = GetLastError();
                static const TTMessageBoxInfoW info = {
                        "Tera Term",
                        "MSG_ERROR", L"ERROR",
                        "DLG_SETUPDIR_NOFILE_ERROR", L"File does not exist.(%d)",
                        MB_OK | MB_ICONWARNING
                };
                TTMessageBoxW(NULL, &info, UILanguageFile, no);

                goto error;
        }

        aswprintf(&commandW, L"%hs \"%s\"", editor, filename);

        STARTUPINFOW si;
        PROCESS_INFORMATION pi;
        memset(&si, 0, sizeof(si));
        GetStartupInfoW(&si);
        memset(&pi, 0, sizeof(pi));

        if (CreateProcessW(NULL, commandW, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi) == 0) {
                // �N�����s
                DWORD no = GetLastError();
                static const TTMessageBoxInfoW info = {
                        "Tera Term",
                        "MSG_ERROR", L"ERROR",
                        "DLG_SETUPDIR_OPENFILE_ERROR", L"Cannot open file.(%d)",
                        MB_OK | MB_ICONWARNING
                };
                TTMessageBoxW(NULL, &info, UILanguageFile, no);

                goto error;
        }
        else {
                CloseHandle(pi.hThread);
                CloseHandle(pi.hProcess);
        }

        ret = TRUE;

error:;
        free(commandW);

        return (ret);
}

/**
 *      �G�N�X�v���[�����w���t�@�C�����t�H���_���J��
 *      �t�@�C�������������������t�@�C�����I�������������J��
 *      �t�@�C���������������������t�H���_���J��
 *
 *      @param  file    �t�@�C��
 *      @retval TRUE: success
 *      @retval FALSE: failure
 */
static BOOL openDirectoryWithExplorer(const wchar_t *file, const wchar_t *UILanguageFile)
{
        BOOL ret;

        DWORD attr = GetFileAttributesW(file);
        if (attr == INVALID_FILE_ATTRIBUTES) {
                // �t�@�C��������������, �f�B���N�g�����I�[�v������
                wchar_t *dir = ExtractDirNameW(file);
                attr = GetFileAttributesW(dir);
                if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
                        // �t�H���_���J��
                        INT_PTR h = (INT_PTR)ShellExecuteW(NULL, L"open", L"explorer.exe", dir, NULL, SW_NORMAL);
                        ret = h > 32 ? TRUE : FALSE;
                }
                else {
                        // �t�@�C�����t�H���_������������
                        DWORD no = GetLastError();
                        static const TTMessageBoxInfoW info = {
                                "Tera Term",
                                "MSG_ERROR", L"ERROR",
                                "DLG_SETUPDIR_NOFILE_ERROR", L"File does not exist.(%d)",
                                MB_OK | MB_ICONWARNING
                        };
                        TTMessageBoxW(NULL, &info, UILanguageFile, no);
                        ret = FALSE;
                }
                free(dir);
        } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
                // �w�������������t�H���_�������A�t�H���_���J��
                INT_PTR h = (INT_PTR)ShellExecuteW(NULL, L"open", L"explorer.exe", file, NULL, SW_NORMAL);
                ret = h > 32 ? TRUE : FALSE;
        } else {
                // �t�H���_���J�� + �t�@�C���I��
                wchar_t *param;
                aswprintf(&param, L"/select,%s", file);
                INT_PTR h = (INT_PTR)ShellExecuteW(NULL, L"open", L"explorer.exe", param, NULL, SW_NORMAL);
                free(param);
                ret = h > 32 ? TRUE : FALSE;
        }
        return ret;
}

/**
 *      �t���p�X�t�@�C������ Virtual Store�p�X�����������B
 *      @param[in]              filename                        �����O���t�@�C����
 *      @param[out]             vstore_filename         Virtual Store���t�@�C����
 *      @retval                 TRUE    ��������
 *                                      FALSE   ��������������(Virtual Store������������������)
 */
static BOOL convertVirtualStoreW(const wchar_t *filename, wchar_t **vstore_filename)
{
        wchar_t *path = ExtractDirNameW(filename);
        wchar_t *file = ExtractFileNameW(filename);

        // �s�v���h���C�u���^�[�����������B
        // �h���C�u���^�[���������������������_�������B(1��������?)
        wchar_t *path_nodrive = wcsstr(path, L":\\");
        if (path_nodrive == NULL) {
                // �t���p�X��������, VS���l������������ok
                free(path);
                free(file);
                return FALSE;
        }
        path_nodrive++;

        BOOL ret = FALSE;
        static const wchar_t* virstore_env[] = {
                L"ProgramFiles",
                L"ProgramData",
                L"SystemRoot",
                NULL
        };
        const wchar_t** p = virstore_env;

        if (GetVirtualStoreEnvironment() == FALSE)
                goto error;

        // Virtual Store�����������t�H���_���B
        while (*p) {
                const wchar_t *s = _wgetenv(*p);
                if (s != NULL && wcsstr(path, s) != NULL) {
                        break;
                }
                p++;
        }
        if (*p == NULL)
                goto error;


        // Virtual Store�p�X�������B
        wchar_t *local_appdata;
        _SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &local_appdata);
        wchar_t *vs_file;
        aswprintf(&vs_file, L"%s\\VirtualStore%s\\%s", local_appdata, path_nodrive, file);
        free(local_appdata);

        // �������AVirtual Store���t�@�C�������������������������B
        if (GetFileAttributesW(vs_file) == INVALID_FILE_ATTRIBUTES) {
                free(vs_file);
                goto error;
        }

        *vstore_filename = vs_file;

        ret = TRUE;
        goto epilogue;

error:
        *vstore_filename = NULL;
        ret = FALSE;
epilogue:
        free(path);
        free(file);
        return ret;
}

static INT_PTR CALLBACK OnSetupDirectoryDlgProc(HWND hDlgWnd, UINT msg, WPARAM wp, LPARAM lp)
{
        static const DlgTextInfo TextInfos[] = {
                { 0, "DLG_SETUPDIR_TITLE" },
                { IDC_INI_SETUPDIR_GROUP, "DLG_SETUPDIR_INIFILE" },
                { IDC_KEYCNF_SETUPDIR_GROUP, "DLG_SETUPDIR_KEYBOARDFILE" },
                { IDC_CYGTERM_SETUPDIR_GROUP, "DLG_SETUPDIR_CYGTERMFILE" },
                { IDC_SSH_SETUPDIR_GROUP, "DLG_SETUPDIR_KNOWNHOSTSFILE" },
        };
        TTTSet *pts = (TTTSet *)GetWindowLongPtr(hDlgWnd, DWLP_USER);
        wchar_t *tmpbufW;
        HWND hWnd;

        switch (msg) {
        case WM_INITDIALOG: {
                BOOL ret;
                pts = (TTTSet *)lp;
                SetWindowLongPtr(hDlgWnd, DWLP_USER, (LONG_PTR)pts);

                // I18N
                SetDlgTextsW(hDlgWnd, TextInfos, _countof(TextInfos), pts->UILanguageFileW);

                // �����t�@�C��(teraterm.ini)���p�X�����������B
                /// (1)
                SetDlgItemTextW(hDlgWnd, IDC_INI_SETUPDIR_EDIT, pts->SetupFNameW);
                /// (2) Virutal Store��������
                wchar_t *vs;
                ret = convertVirtualStoreW(pts->SetupFNameW, &vs);
                hWnd = GetDlgItem(hDlgWnd, IDC_INI_SETUPDIR_STATIC_VSTORE);
                EnableWindow(hWnd, ret);
                hWnd = GetDlgItem(hDlgWnd, IDC_INI_SETUPDIR_EDIT_VSTORE);
                EnableWindow(hWnd, ret);
                if (ret) {
                        SetDlgItemTextW(hDlgWnd, IDC_INI_SETUPDIR_EDIT_VSTORE, vs);
                        free(vs);
                }
                else {
                        SetDlgItemTextA(hDlgWnd, IDC_INI_SETUPDIR_EDIT_VSTORE, "");
                }

                // �����t�@�C��(KEYBOARD.CNF)���p�X�����������B
                /// (1)
                SetDlgItemTextW(hDlgWnd, IDC_KEYCNF_SETUPDIR_EDIT, pts->KeyCnfFNW);
                /// (2) Virutal Store��������
                ret = convertVirtualStoreW(pts->KeyCnfFNW, &vs);
                hWnd = GetDlgItem(hDlgWnd, IDC_KEYCNF_SETUPDIR_STATIC_VSTORE);
                EnableWindow(hWnd, ret);
                hWnd = GetDlgItem(hDlgWnd, IDC_KEYCNF_SETUPDIR_EDIT_VSTORE);
                EnableWindow(hWnd, ret);
                if (ret) {
                        SetDlgItemTextW(hDlgWnd, IDC_KEYCNF_SETUPDIR_EDIT_VSTORE, vs);
                        free(vs);
                }
                else {
                        SetDlgItemTextA(hDlgWnd, IDC_KEYCNF_SETUPDIR_EDIT_VSTORE, "");
                }

                // cygterm.cfg �� ttermpro.exe �z�������u�����B
                /// (1)
                aswprintf(&tmpbufW, L"%s\\cygterm.cfg", pts->HomeDirW);
                SetDlgItemTextW(hDlgWnd, IDC_CYGTERM_SETUPDIR_EDIT, tmpbufW);
                /// (2) Virutal Store��������
                ret = convertVirtualStoreW(tmpbufW, &vs);
                free(tmpbufW);
                hWnd = GetDlgItem(hDlgWnd, IDC_CYGTERM_SETUPDIR_STATIC_VSTORE);
                EnableWindow(hWnd, ret);
                hWnd = GetDlgItem(hDlgWnd, IDC_CYGTERM_SETUPDIR_EDIT_VSTORE);
                EnableWindow(hWnd, ret);
                if (ret) {
                        SetDlgItemTextW(hDlgWnd, IDC_CYGTERM_SETUPDIR_EDIT_VSTORE, vs);
                        free(vs);
                }
                else {
                        SetDlgItemTextA(hDlgWnd, IDC_CYGTERM_SETUPDIR_EDIT_VSTORE, "");
                }

                // ssh_known_hosts
                {
                        HMODULE h = GetModuleHandle("ttxssh.dll");
                        if (h != NULL) {
                                size_t (CALLBACK *func)(wchar_t *, size_t) = NULL;
                                void **pfunc = (void **)&func;
                                *pfunc = (void *)GetProcAddress(h, "TTXReadKnownHostsFile");
                                if (func) {
                                        size_t size = func(NULL, 0);
                                        if (size != 0) {
                                                wchar_t *temp = (wchar_t *)malloc(sizeof(wchar_t) * size);
                                                func(temp, size);
                                                assert(!IsRelativePathW(temp));

                                                SetDlgItemTextW(hDlgWnd, IDC_SSH_SETUPDIR_EDIT, temp);

                                                /// (2) Virutal Store��������
                                                ret = convertVirtualStoreW(temp, &vs);
                                                hWnd = GetDlgItem(hDlgWnd, IDC_SSH_SETUPDIR_STATIC_VSTORE);
                                                EnableWindow(hWnd, ret);
                                                hWnd = GetDlgItem(hDlgWnd, IDC_SSH_SETUPDIR_EDIT_VSTORE);
                                                EnableWindow(hWnd, ret);
                                                if (ret) {
                                                        SetDlgItemTextW(hDlgWnd, IDC_SSH_SETUPDIR_EDIT_VSTORE, vs);
                                                        free(vs);
                                                }
                                                else {
                                                        SetDlgItemTextA(hDlgWnd, IDC_SSH_SETUPDIR_EDIT_VSTORE, "");
                                                }
                                                free(temp);
                                        }
                                }
                        }
                        else {
                                hWnd = GetDlgItem(hDlgWnd, IDC_SSH_SETUPDIR_EDIT);
                                EnableWindow(hWnd, FALSE);
                                SetDlgItemTextA(hDlgWnd, IDC_SSH_SETUPDIR_EDIT, "");
                                hWnd = GetDlgItem(hDlgWnd, IDC_SSH_SETUPDIR_BUTTON);
                                EnableWindow(hWnd, FALSE);
                                hWnd = GetDlgItem(hDlgWnd, IDC_SSH_SETUPDIR_BUTTON_FILE);
                                EnableWindow(hWnd, FALSE);
                                hWnd = GetDlgItem(hDlgWnd, IDC_SSH_SETUPDIR_STATIC_VSTORE);
                                EnableWindow(hWnd, FALSE);
                                hWnd = GetDlgItem(hDlgWnd, IDC_SSH_SETUPDIR_EDIT_VSTORE);
                                EnableWindow(hWnd, FALSE);
                                SetDlgItemTextA(hDlgWnd, IDC_SSH_SETUPDIR_EDIT_VSTORE, "");
                        }
                }

                CenterWindow(hDlgWnd, GetParent(hDlgWnd));

                return TRUE;
        }

        case WM_COMMAND: {
                BOOL button_pressed = FALSE;
                BOOL open_dir = FALSE;
                int edit;
                int edit_vstore;
                switch (LOWORD(wp)) {
                case IDC_INI_SETUPDIR_BUTTON | (BN_CLICKED << 16) :
                        edit = IDC_INI_SETUPDIR_EDIT;
                        edit_vstore = IDC_INI_SETUPDIR_EDIT_VSTORE;
                        open_dir = TRUE;
                        button_pressed = TRUE;
                        break;

                case IDC_INI_SETUPDIR_BUTTON_FILE | (BN_CLICKED << 16) :
                        edit = IDC_INI_SETUPDIR_EDIT;
                        edit_vstore = IDC_INI_SETUPDIR_EDIT_VSTORE;
                        open_dir = FALSE;
                        button_pressed = TRUE;
                        break;

                case IDC_KEYCNF_SETUPDIR_BUTTON | (BN_CLICKED << 16) :
                        edit = IDC_KEYCNF_SETUPDIR_EDIT;
                        edit_vstore = IDC_KEYCNF_SETUPDIR_EDIT_VSTORE;
                        open_dir = TRUE;
                        button_pressed = TRUE;
                        break;

                case IDC_KEYCNF_SETUPDIR_BUTTON_FILE | (BN_CLICKED << 16) :
                        edit = IDC_KEYCNF_SETUPDIR_EDIT;
                        edit_vstore = IDC_KEYCNF_SETUPDIR_EDIT_VSTORE;
                        open_dir = FALSE;
                        button_pressed = TRUE;
                        break;

                case IDC_CYGTERM_SETUPDIR_BUTTON | (BN_CLICKED << 16) :
                        edit = IDC_CYGTERM_SETUPDIR_EDIT;
                        edit_vstore = IDC_CYGTERM_SETUPDIR_EDIT_VSTORE;
                        open_dir = TRUE;
                        button_pressed = TRUE;
                        break;

                case IDC_CYGTERM_SETUPDIR_BUTTON_FILE | (BN_CLICKED << 16) :
                        edit = IDC_CYGTERM_SETUPDIR_EDIT;
                        edit_vstore = IDC_CYGTERM_SETUPDIR_EDIT_VSTORE;
                        open_dir = FALSE;
                        button_pressed = TRUE;
                        break;

                case IDC_SSH_SETUPDIR_BUTTON | (BN_CLICKED << 16) :
                        edit = IDC_SSH_SETUPDIR_EDIT;
                        edit_vstore = IDC_SSH_SETUPDIR_EDIT_VSTORE;
                        open_dir = TRUE;
                        button_pressed = TRUE;
                        break;

                case IDC_SSH_SETUPDIR_BUTTON_FILE | (BN_CLICKED << 16) :
                        edit = IDC_SSH_SETUPDIR_EDIT;
                        edit_vstore = IDC_SSH_SETUPDIR_EDIT_VSTORE;
                        open_dir = FALSE;
                        button_pressed = TRUE;
                        break;

                case IDHELP:
                        OpenHelp(HH_HELP_CONTEXT, HlpMenuSetupDir, pts->UILanguageFile);
                        break;

                case IDOK:
                        TTEndDialog(hDlgWnd, IDOK);
                        return TRUE;
                        break;

                case IDCANCEL:
                        TTEndDialog(hDlgWnd, IDCANCEL);
                        return TRUE;
                        break;

                default:
                        return FALSE;
                }

                if (button_pressed) {
                        wchar_t *filename;
                        if (!IsWindowEnabled(GetDlgItem(hDlgWnd, edit_vstore))) {
                                hGetWindowTextW(GetDlgItem(hDlgWnd, edit), &filename);
                        } else {
                                hGetWindowTextW(GetDlgItem(hDlgWnd, edit_vstore), &filename);
                        }

                        const wchar_t *UILanguageFile = pts->UILanguageFileW;
                        if (open_dir) {
                                // �t�H���_���J�����A�t�@�C�����I������
                                openDirectoryWithExplorer(filename, UILanguageFile);
                        }
                        else {
                                const char *editor = pts->ViewlogEditor;
                                openFileWithApplication(filename, editor, UILanguageFile);
                        }

                        free(filename);
                        return TRUE;
                }
                return FALSE;
        }
        case WM_CLOSE:
                TTEndDialog(hDlgWnd, 0);
                return TRUE;

        default:
                return FALSE;
        }
        return TRUE;
}

void SetupDirectoryDialog(HINSTANCE hInst, HWND hWnd, TTTSet *pts)
{
        TTDialogBoxParam(hInst, MAKEINTRESOURCE(IDD_SETUP_DIR_DIALOG),
                                         hWnd, OnSetupDirectoryDlgProc, (LPARAM)pts);
}