mirror of https://github.com/OpenVPN/openvpn-gui
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888 lines
24 KiB
888 lines
24 KiB
/*
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* OpenVPN-GUI -- A Windows GUI for OpenVPN.
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*
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* Copyright (C) 2004 Mathias Sundman <mathias@nilings.se>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING included with this
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* distribution); if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <windows.h>
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#include "main.h"
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#include "options.h"
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#include "passphrase.h"
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#include "openvpn.h"
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#include "openvpn-gui-res.h"
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#include "chartable.h"
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#include "localization.h"
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#ifndef DISABLE_CHANGE_PASSWORD
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#include <openssl/pem.h>
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#include <openssl/err.h>
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#include <openssl/pkcs12.h>
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#endif
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WCHAR passphrase[256];
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extern struct options o;
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int ConvertUnicode2Ascii(WCHAR str_unicode[], char str_ascii[], unsigned int str_ascii_size)
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{
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unsigned int i;
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unsigned int j;
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int illegal_chars = false;
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for (i=0; (i < wcslen(str_unicode)) && (i < (str_ascii_size - 1)); i++)
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{
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for (j=0; j <= 256; j++)
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{
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if (j == 256)
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{
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illegal_chars = true;
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j = 0x2e;
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break;
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}
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if (str_unicode[i] == unicode_to_ascii[j]) break;
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}
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str_ascii[i] = (char) j;
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}
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str_ascii[i] = '\0';
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if (illegal_chars)
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return(false);
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else
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return(true);
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}
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void CheckPrivateKeyPassphrasePrompt (char *line, int config)
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{
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DWORD nCharsWritten;
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char passphrase_ascii[256];
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/* Check for Passphrase prompt */
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if (strncmp(line, "Enter PEM pass phrase:", 22) == 0)
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{
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CLEAR(passphrase);
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if (LocalizedDialogBox(ID_DLG_PASSPHRASE, PassphraseDialogFunc) == IDCANCEL)
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{
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StopOpenVPN(config);
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}
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if (wcslen(passphrase) > 0)
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{
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CLEAR(passphrase_ascii);
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ConvertUnicode2Ascii(passphrase, passphrase_ascii, sizeof(passphrase_ascii));
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if (!WriteFile(o.cnn[config].hStdIn, passphrase_ascii,
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strlen(passphrase_ascii), &nCharsWritten, NULL))
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{
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/* PassPhrase -> stdin failed */
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_PASSPHRASE2STDIN);
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}
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}
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if (!WriteFile(o.cnn[config].hStdIn, "\r\n",
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2, &nCharsWritten, NULL))
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{
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/* CR -> stdin failed */
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_CR2STDIN);
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}
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/* Remove Passphrase prompt from lastline buffer */
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line[0]='\0';
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/* Clear passphrase buffer */
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CLEAR(passphrase);
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CLEAR(passphrase_ascii);
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}
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/* Check for new passphrase prompt introduced with OpenVPN 2.0-beta12. */
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if (strncmp(line, "Enter Private Key Password:", 27) == 0)
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{
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CLEAR(passphrase);
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if (LocalizedDialogBox(ID_DLG_PASSPHRASE, PassphraseDialogFunc) == IDCANCEL)
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{
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StopOpenVPN(config);
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}
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if (wcslen(passphrase) > 0)
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{
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CLEAR(passphrase_ascii);
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ConvertUnicode2Ascii(passphrase, passphrase_ascii, sizeof(passphrase_ascii));
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if (!WriteFile(o.cnn[config].hStdIn, passphrase_ascii,
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strlen(passphrase_ascii), &nCharsWritten, NULL))
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{
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/* PassPhrase -> stdin failed */
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_PASSPHRASE2STDIN);
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}
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}
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else
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{
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if (!WriteFile(o.cnn[config].hStdIn, "\n",
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1, &nCharsWritten, NULL))
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{
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/* CR -> stdin failed */
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_CR2STDIN);
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}
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}
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/* Remove Passphrase prompt from lastline buffer */
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line[0]='\0';
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/* Clear passphrase buffer */
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CLEAR(passphrase);
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CLEAR(passphrase_ascii);
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}
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}
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void CheckAuthUsernamePrompt (char *line, int config)
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{
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DWORD nCharsWritten;
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struct user_auth user_auth;
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/* Check for Passphrase prompt */
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if (strncmp(line, "Enter Auth Username:", 20) == 0)
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{
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CLEAR(user_auth);
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if (LocalizedDialogBoxParam(ID_DLG_AUTH, AuthPasswordDialogFunc,
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(LPARAM)&user_auth) == IDCANCEL)
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{
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StopOpenVPN(config);
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}
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if (strlen(user_auth.username) > 0)
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{
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if (!WriteFile(o.cnn[config].hStdIn, user_auth.username,
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strlen(user_auth.username), &nCharsWritten, NULL))
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{
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_AUTH_USERNAME2STDIN);
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}
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}
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else
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{
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if (!WriteFile(o.cnn[config].hStdIn, "\n",
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1, &nCharsWritten, NULL))
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{
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_CR2STDIN);
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}
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}
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if (strlen(user_auth.password) > 0)
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{
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if (!WriteFile(o.cnn[config].hStdIn, user_auth.password,
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strlen(user_auth.password), &nCharsWritten, NULL))
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{
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_AUTH_PASSWORD2STDIN);
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}
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}
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else
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{
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if (!WriteFile(o.cnn[config].hStdIn, "\n",
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1, &nCharsWritten, NULL))
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{
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_CR2STDIN);
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}
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}
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/* Remove Username prompt from lastline buffer */
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line[0]='\0';
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/* Clear user_auth buffer */
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CLEAR(user_auth);
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}
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}
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void CheckAuthPasswordPrompt (char *line)
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{
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/* Check for Passphrase prompt */
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if (strncmp(line, "Enter Auth Password:", 20) == 0)
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{
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/* Remove Passphrase prompt from lastline buffer */
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line[0]='\0';
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}
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}
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BOOL CALLBACK PassphraseDialogFunc (HWND hwndDlg, UINT msg, WPARAM wParam, UNUSED LPARAM lParam)
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{
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static char empty_string[100];
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switch (msg) {
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case WM_INITDIALOG:
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SetForegroundWindow(hwndDlg);
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break;
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case WM_COMMAND:
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switch (LOWORD(wParam)) {
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case IDOK: // button
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GetDlgItemTextW(hwndDlg, ID_EDT_PASSPHRASE, passphrase, sizeof(passphrase)/2 - 1);
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/* Clear buffer */
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SetDlgItemText(hwndDlg, ID_EDT_PASSPHRASE, empty_string);
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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case IDCANCEL: // button
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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}
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break;
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case WM_CLOSE:
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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}
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return FALSE;
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}
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BOOL CALLBACK AuthPasswordDialogFunc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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static struct user_auth *user_auth;
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static char empty_string[100];
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WCHAR username_unicode[50];
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WCHAR password_unicode[50];
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switch (msg) {
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case WM_INITDIALOG:
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user_auth = (struct user_auth *) lParam;
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SetForegroundWindow(hwndDlg);
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break;
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case WM_COMMAND:
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switch (LOWORD(wParam)) {
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case IDOK: // button
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GetDlgItemTextW(hwndDlg, ID_EDT_AUTH_USER, username_unicode, sizeof(username_unicode)/2 - 1);
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GetDlgItemTextW(hwndDlg, ID_EDT_AUTH_PASS, password_unicode, sizeof(password_unicode)/2 - 1);
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/* Convert username/password from Unicode to Ascii (CP850) */
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ConvertUnicode2Ascii(username_unicode, user_auth->username, sizeof(user_auth->username) - 1);
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ConvertUnicode2Ascii(password_unicode, user_auth->password, sizeof(user_auth->password) - 1);
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/* Clear buffers */
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SetDlgItemText(hwndDlg, ID_EDT_AUTH_USER, empty_string);
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SetDlgItemText(hwndDlg, ID_EDT_AUTH_PASS, empty_string);
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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case IDCANCEL: // button
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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}
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break;
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case WM_CLOSE:
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EndDialog(hwndDlg, LOWORD(wParam));
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return TRUE;
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}
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return FALSE;
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}
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#ifndef DISABLE_CHANGE_PASSWORD
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const int KEYFILE_FORMAT_PKCS12 = 1;
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const int KEYFILE_FORMAT_PEM = 2;
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void ShowChangePassphraseDialog(int config)
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{
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HANDLE hThread;
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DWORD IDThread;
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/* Start a new thread to have our own message-loop for this dialog */
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hThread = CreateThread(NULL, 0,
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(LPTHREAD_START_ROUTINE) ChangePassphraseThread,
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(int *) config, // pass config nr
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0, &IDThread);
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if (hThread == NULL)
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{
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/* error creating thread */
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ShowLocalizedMsg (GUI_NAME, IDS_ERR_CREATE_PASS_THREAD);
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return;
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}
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}
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void ChangePassphraseThread(int config)
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{
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HWND hwndChangePSW;
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MSG messages;
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char conn_name[100];
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char keyfilename[MAX_PATH];
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int keyfile_format=0;
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/* Cut of extention from config filename. */
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strncpy(conn_name, o.cnn[config].config_file, sizeof(conn_name));
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conn_name[strlen(conn_name) - (strlen(o.ext_string)+1)]=0;
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/* Get Key filename from config file */
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if (!GetKeyFilename(config, keyfilename, sizeof(keyfilename), &keyfile_format))
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{
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ExitThread(1);
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}
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/* Show ChangePassphrase Dialog */
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hwndChangePSW = CreateLocalizedDialog(ID_DLG_CHGPASS, ChangePassphraseDialogFunc);
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if (!hwndChangePSW)
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return;
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SetDlgItemText(hwndChangePSW, ID_TXT_KEYFILE, keyfilename);
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SetDlgItemInt(hwndChangePSW, ID_TXT_KEYFORMAT, (UINT) keyfile_format, FALSE);
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SetWindowText(hwndChangePSW, LoadLocalizedString(IDS_NFO_CHANGE_PWD, conn_name));
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ShowWindow(hwndChangePSW, SW_SHOW);
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/* Run the message loop. It will run until GetMessage() returns 0 */
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while (GetMessage (&messages, NULL, 0, 0))
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{
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if(!IsDialogMessage(hwndChangePSW, &messages))
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{
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TranslateMessage(&messages);
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DispatchMessage(&messages);
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}
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}
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ExitThread(0);
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}
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BOOL CALLBACK ChangePassphraseDialogFunc (HWND hwndDlg, UINT msg, WPARAM wParam, UNUSED LPARAM lParam)
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{
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HICON hIcon;
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char keyfile[MAX_PATH];
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int keyfile_format;
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BOOL Translated;
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switch (msg) {
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case WM_INITDIALOG:
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hIcon = LoadLocalizedIcon(ID_ICO_APP);
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if (hIcon) {
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SendMessage(hwndDlg, WM_SETICON, (WPARAM) (ICON_SMALL), (LPARAM) (hIcon));
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SendMessage(hwndDlg, WM_SETICON, (WPARAM) (ICON_BIG), (LPARAM) (hIcon));
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}
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return FALSE;
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case WM_COMMAND:
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switch (LOWORD(wParam)) {
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case IDOK:
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/* Check if the type new passwords match. */
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if (!ConfirmNewPassword (hwndDlg))
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{
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/* passwords don't match */
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_PWD_DONT_MATCH);
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break;
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}
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/* Check minimum length of password */
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if (NewPasswordLengh(hwndDlg) < MIN_PASSWORD_LEN)
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{
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ShowLocalizedMsg(GUI_NAME, IDS_ERR_PWD_TO_SHORT, MIN_PASSWORD_LEN);
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break;
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}
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/* Check if the new password is empty. */
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if (NewPasswordLengh(hwndDlg) == 0)
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{
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if (MessageBox(NULL, LoadLocalizedString(IDS_NFO_EMPTY_PWD), GUI_NAME, MB_YESNO) != IDYES)
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break;
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}
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GetDlgItemText(hwndDlg, ID_TXT_KEYFILE, keyfile, sizeof(keyfile) - 1);
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keyfile_format=GetDlgItemInt(hwndDlg, ID_TXT_KEYFORMAT, &Translated, FALSE);
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if (keyfile_format == KEYFILE_FORMAT_PEM)
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{
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/* Change password of a PEM file */
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if (ChangePasswordPEM(hwndDlg) == -1) /* Wrong password */
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break;
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}
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else if (keyfile_format == KEYFILE_FORMAT_PKCS12)
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{
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/* Change password of a .P12 file */
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if (ChangePasswordPKCS12(hwndDlg) == -1) /* Wrong password */
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break;
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}
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else
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{
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/* Unknown key format */
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ShowLocalizedMsg (GUI_NAME, IDS_ERR_UNKNOWN_KEYFILE_FORMAT);
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}
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DestroyWindow(hwndDlg);
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break;
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case IDCANCEL:
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DestroyWindow(hwndDlg);
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break;
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}
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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case WM_CLOSE:
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DestroyWindow(hwndDlg);
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return FALSE;
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}
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return FALSE;
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}
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/* Return TRUE if new passwords match */
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int ConfirmNewPassword(HWND hwndDlg)
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{
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char newpsw[50];
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char newpsw2[50];
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GetDlgItemText(hwndDlg, ID_EDT_PASS_NEW, newpsw, sizeof(newpsw) - 1);
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GetDlgItemText(hwndDlg, ID_EDT_PASS_NEW2, newpsw2, sizeof(newpsw2) - 1);
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if (strncmp(newpsw, newpsw2, sizeof(newpsw)) == 0)
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return true;
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else
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return false;
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}
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/* Return lengh of the new password */
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int NewPasswordLengh(HWND hwndDlg)
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{
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char newpsw[50];
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GetDlgItemText(hwndDlg, ID_EDT_PASS_NEW, newpsw, sizeof(newpsw) - 1);
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return (strlen(newpsw));
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}
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int ParseKeyFilenameLine(int config, char *keyfilename, unsigned int keyfilenamesize, char *line)
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{
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const int STATE_INITIAL = 0;
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const int STATE_READING_QUOTED_PARM = 1;
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const int STATE_READING_UNQUOTED_PARM = 2;
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int i=0;
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unsigned int j=0;
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int state = STATE_INITIAL;
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int backslash=0;
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char temp_filename[MAX_PATH];
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while(line[i] != '\0')
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{
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if (state == STATE_INITIAL)
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{
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if (line[i] == '\"')
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{
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state=STATE_READING_QUOTED_PARM;
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}
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else if ((line[i] == 0x0A) || (line[i] == 0x0D))
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break;
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else if ((line[i] == ';') || (line[i] == '#'))
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break;
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else if ((line[i] != ' ') && (line[i] != '\t'))
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{
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if (line[i] == '\\')
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{
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if(!backslash)
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{
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keyfilename[j++]=line[i];
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state=STATE_READING_UNQUOTED_PARM;
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backslash=1;
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}
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else
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{
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backslash=0;
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}
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}
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else
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{
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if (backslash) backslash=0;
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keyfilename[j++]=line[i];
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state=STATE_READING_UNQUOTED_PARM;
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}
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}
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}
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else if (state == STATE_READING_QUOTED_PARM)
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{
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if (line[i] == '\"')
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break;
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if ((line[i] == 0x0A) || (line[i] == 0x0D))
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break;
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if (line[i] == '\\')
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{
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if (!backslash)
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{
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keyfilename[j++]=line[i];
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backslash=1;
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}
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else
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{
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backslash=0;
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}
|
|
}
|
|
else
|
|
{
|
|
if (backslash) backslash=0;
|
|
keyfilename[j++]=line[i];
|
|
}
|
|
}
|
|
|
|
else if (state == STATE_READING_UNQUOTED_PARM)
|
|
{
|
|
if (line[i] == '\"')
|
|
break;
|
|
if ((line[i] == 0x0A) || (line[i] == 0x0D))
|
|
break;
|
|
if ((line[i] == ';') || (line[i] == '#'))
|
|
break;
|
|
if (line[i] == ' ')
|
|
break;
|
|
if (line[i] == '\t')
|
|
break;
|
|
if (line[i] == '\\')
|
|
{
|
|
if (!backslash)
|
|
{
|
|
keyfilename[j++]=line[i];
|
|
backslash=1;
|
|
}
|
|
else
|
|
{
|
|
backslash=0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (backslash) backslash=0;
|
|
keyfilename[j++]=line[i];
|
|
}
|
|
}
|
|
|
|
if (j >= (keyfilenamesize - 1))
|
|
{
|
|
/* key filename to long */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_KEY_FILENAME_TO_LONG);
|
|
return(0);
|
|
}
|
|
i++;
|
|
}
|
|
keyfilename[j]='\0';
|
|
|
|
/* Prepend filename with configdir path if needed */
|
|
if ((keyfilename[0] != '\\') && (keyfilename[0] != '/') && (keyfilename[1] != ':'))
|
|
{
|
|
strncpy(temp_filename, o.cnn[config].config_dir, sizeof(temp_filename));
|
|
if (temp_filename[strlen(temp_filename) - 1] != '\\')
|
|
strcat(temp_filename, "\\");
|
|
strncat(temp_filename, keyfilename,
|
|
sizeof(temp_filename) - strlen(temp_filename) - 1);
|
|
strncpy(keyfilename, temp_filename, keyfilenamesize - 1);
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
/* ChangePasswordPEM() returns:
|
|
* -1 Wrong password
|
|
* 0 Changing password failed for unknown reason
|
|
* 1 Password changed successfully
|
|
*/
|
|
int ChangePasswordPEM(HWND hwndDlg)
|
|
{
|
|
char keyfile[MAX_PATH];
|
|
char oldpsw[50];
|
|
char newpsw[50];
|
|
WCHAR oldpsw_unicode[50];
|
|
WCHAR newpsw_unicode[50];
|
|
FILE *fp;
|
|
|
|
EVP_PKEY *privkey;
|
|
|
|
/* Get filename, old_psw and new_psw from Dialog */
|
|
GetDlgItemText(hwndDlg, ID_TXT_KEYFILE, keyfile, sizeof(keyfile) - 1);
|
|
GetDlgItemTextW(hwndDlg, ID_EDT_PASS_CUR, oldpsw_unicode, sizeof(oldpsw_unicode)/2 - 1);
|
|
GetDlgItemTextW(hwndDlg, ID_EDT_PASS_NEW, newpsw_unicode, sizeof(newpsw_unicode)/2 - 1);
|
|
|
|
/* Convert Unicode to ASCII (CP850) */
|
|
ConvertUnicode2Ascii(oldpsw_unicode, oldpsw, sizeof(oldpsw));
|
|
if (!ConvertUnicode2Ascii(newpsw_unicode, newpsw, sizeof(newpsw)))
|
|
{
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_INVALID_CHARS_IN_PSW);
|
|
return(-1);
|
|
}
|
|
|
|
privkey = EVP_PKEY_new();
|
|
|
|
/* Open old keyfile for reading */
|
|
if (! (fp = fopen (keyfile, "r")))
|
|
{
|
|
/* can't open key file */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_OPEN_PRIVATE_KEY_FILE, keyfile);
|
|
return(0);
|
|
}
|
|
|
|
/* Import old key */
|
|
if (! (privkey = PEM_read_PrivateKey (fp, NULL, NULL, oldpsw)))
|
|
{
|
|
/* wrong password */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_OLD_PWD_INCORRECT);
|
|
fclose(fp);
|
|
return(-1);
|
|
}
|
|
|
|
fclose(fp);
|
|
|
|
/* Open keyfile for writing */
|
|
if (! (fp = fopen (keyfile, "w")))
|
|
{
|
|
/* can't open file rw */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_OPEN_WRITE_KEY, keyfile);
|
|
EVP_PKEY_free(privkey);
|
|
return(0);
|
|
}
|
|
|
|
/* Write new key to file */
|
|
if (strlen(newpsw) == 0)
|
|
{
|
|
/* No passphrase */
|
|
if ( !(PEM_write_PrivateKey(fp, privkey, \
|
|
NULL, NULL, /* Use NO encryption */
|
|
0, 0, NULL)))
|
|
{
|
|
/* error writing new key */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_WRITE_NEW_KEY, keyfile);
|
|
EVP_PKEY_free(privkey);
|
|
fclose(fp);
|
|
return(0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Use passphrase */
|
|
if ( !(PEM_write_PrivateKey(fp, privkey, \
|
|
EVP_des_ede3_cbc(), /* Use 3DES encryption */
|
|
(UCHAR*) newpsw, (int) strlen(newpsw), 0, NULL)))
|
|
{
|
|
/* can't write new key */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_WRITE_NEW_KEY, keyfile);
|
|
EVP_PKEY_free(privkey);
|
|
fclose(fp);
|
|
return(0);
|
|
}
|
|
}
|
|
|
|
EVP_PKEY_free(privkey);
|
|
fclose(fp);
|
|
|
|
/* signal success to user */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_NFO_PWD_CHANGED);
|
|
return(1);
|
|
}
|
|
|
|
|
|
/* ChangePasswordPKCS12() returns:
|
|
* -1 Wrong password
|
|
* 0 Changing password failed for unknown reason
|
|
* 1 Password changed successfully
|
|
*/
|
|
int ChangePasswordPKCS12(HWND hwndDlg)
|
|
{
|
|
char keyfile[MAX_PATH];
|
|
char oldpsw[50];
|
|
char newpsw[50];
|
|
WCHAR oldpsw_unicode[50];
|
|
WCHAR newpsw_unicode[50];
|
|
FILE *fp;
|
|
|
|
EVP_PKEY *privkey;
|
|
X509 *cert;
|
|
STACK_OF(X509) *ca = NULL;
|
|
PKCS12 *p12;
|
|
char *alias;
|
|
|
|
/* Get filename, old_psw and new_psw from Dialog */
|
|
GetDlgItemText(hwndDlg, ID_TXT_KEYFILE, keyfile, sizeof(keyfile) - 1);
|
|
GetDlgItemTextW(hwndDlg, ID_EDT_PASS_CUR, oldpsw_unicode, sizeof(oldpsw_unicode)/2 - 1);
|
|
GetDlgItemTextW(hwndDlg, ID_EDT_PASS_NEW, newpsw_unicode, sizeof(newpsw_unicode)/2 - 1);
|
|
|
|
/* Convert Unicode to ASCII (CP850) */
|
|
ConvertUnicode2Ascii(oldpsw_unicode, oldpsw, sizeof(oldpsw));
|
|
if (!ConvertUnicode2Ascii(newpsw_unicode, newpsw, sizeof(newpsw)))
|
|
{
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_INVALID_CHARS_IN_PSW);
|
|
return(-1);
|
|
}
|
|
|
|
/* Load the PKCS #12 file */
|
|
if (!(fp = fopen(keyfile, "rb")))
|
|
{
|
|
/* error opening file */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_OPEN_PRIVATE_KEY_FILE, keyfile);
|
|
return(0);
|
|
}
|
|
p12 = d2i_PKCS12_fp(fp, NULL);
|
|
fclose (fp);
|
|
if (!p12)
|
|
{
|
|
/* error reading PKCS #12 */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_READ_PKCS12, keyfile);
|
|
return(0);
|
|
}
|
|
|
|
/* Parse the PKCS #12 file */
|
|
if (!PKCS12_parse(p12, oldpsw, &privkey, &cert, &ca))
|
|
{
|
|
/* old password incorrect */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_OLD_PWD_INCORRECT);
|
|
PKCS12_free(p12);
|
|
return(-1);
|
|
}
|
|
|
|
/* Free old PKCS12 object */
|
|
PKCS12_free(p12);
|
|
|
|
/* Get FriendlyName of old cert */
|
|
alias = (char*) X509_alias_get0(cert, NULL);
|
|
|
|
/* Create new PKCS12 object */
|
|
p12 = PKCS12_create(newpsw, alias, privkey, cert, ca, 0,0,0,0,0);
|
|
if (!p12)
|
|
{
|
|
/* create failed */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_CREATE_PKCS12);
|
|
return(0);
|
|
}
|
|
|
|
/* Free old key, cert and ca */
|
|
EVP_PKEY_free(privkey);
|
|
X509_free(cert);
|
|
sk_X509_pop_free(ca, X509_free);
|
|
|
|
/* Open keyfile for writing */
|
|
if (!(fp = fopen(keyfile, "wb")))
|
|
{
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_OPEN_WRITE_KEY, keyfile);
|
|
PKCS12_free(p12);
|
|
return(0);
|
|
}
|
|
|
|
/* Write new key to file */
|
|
i2d_PKCS12_fp(fp, p12);
|
|
|
|
PKCS12_free(p12);
|
|
fclose(fp);
|
|
/* signal success to user */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_NFO_PWD_CHANGED);
|
|
|
|
return(1);
|
|
}
|
|
|
|
int LineBeginsWith(char *line, const char *keyword, const unsigned int len)
|
|
{
|
|
if (strncmp(line, keyword, len) == 0)
|
|
{
|
|
if ((line[len] == '\t') || (line[len] == ' '))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
int GetKeyFilename(int config, char *keyfilename, unsigned int keyfilenamesize, int *keyfile_format)
|
|
{
|
|
FILE *fp;
|
|
char line[256];
|
|
int found_key=0;
|
|
int found_pkcs12=0;
|
|
char configfile_path[MAX_PATH];
|
|
|
|
strncpy(configfile_path, o.cnn[config].config_dir, sizeof(configfile_path));
|
|
if (!(configfile_path[strlen(configfile_path)-1] == '\\'))
|
|
strcat(configfile_path, "\\");
|
|
strncat(configfile_path, o.cnn[config].config_file,
|
|
sizeof(configfile_path) - strlen(configfile_path) - 1);
|
|
|
|
if (!(fp=fopen(configfile_path, "r")))
|
|
{
|
|
/* can't open config file */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_OPEN_CONFIG, configfile_path);
|
|
return(0);
|
|
}
|
|
|
|
while (fgets(line, sizeof (line), fp))
|
|
{
|
|
if (LineBeginsWith(line, "key", 3))
|
|
{
|
|
if (found_key)
|
|
{
|
|
/* only one key option */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_ONLY_ONE_KEY_OPTION);
|
|
return(0);
|
|
}
|
|
if (found_pkcs12)
|
|
{
|
|
/* key XOR pkcs12 */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_ONLY_KEY_OR_PKCS12);
|
|
return(0);
|
|
}
|
|
found_key=1;
|
|
*keyfile_format = KEYFILE_FORMAT_PEM;
|
|
if (!ParseKeyFilenameLine(config, keyfilename, keyfilenamesize, &line[4]))
|
|
return(0);
|
|
}
|
|
if (LineBeginsWith(line, "pkcs12", 6))
|
|
{
|
|
if (found_pkcs12)
|
|
{
|
|
/* only one pkcs12 option */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_ONLY_ONE_PKCS12_OPTION);
|
|
return(0);
|
|
}
|
|
if (found_key)
|
|
{
|
|
/* only key XOR pkcs12 */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_ONLY_KEY_OR_PKCS12);
|
|
return(0);
|
|
}
|
|
found_pkcs12=1;
|
|
*keyfile_format = KEYFILE_FORMAT_PKCS12;
|
|
if (!ParseKeyFilenameLine(config, keyfilename, keyfilenamesize, &line[7]))
|
|
return(0);
|
|
}
|
|
}
|
|
|
|
if ((!found_key) && (!found_pkcs12))
|
|
{
|
|
/* must have key or pkcs12 option */
|
|
ShowLocalizedMsg(GUI_NAME, IDS_ERR_HAVE_KEY_OR_PKCS12);
|
|
return(0);
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
#endif
|