[7d3ae3e] | 1 | /* |
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| 2 | * Estonian ID card plugin for web browsers |
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| 3 | * |
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| 4 | * Copyright (C) 2010-2011 Codeborne <info@codeborne.com> |
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| 5 | * |
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| 6 | * This is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * This software is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with this library; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | * |
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| 20 | */ |
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| 21 | |
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| 22 | #include <windows.h> |
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| 23 | #include <windowsx.h> |
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| 24 | #include <string.h> |
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| 25 | #include <atlconv.h> |
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| 26 | #include <atlstr.h> |
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| 27 | #include <commctrl.h> |
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| 28 | #include "esteid_log.h" |
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| 29 | #include "esteid_error.h" |
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| 30 | #include "esteid_sign.h" |
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| 31 | #include "resource.h" |
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| 32 | #include "l10n.h" |
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| 33 | #include "esteid_dialog_common.h" |
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| 34 | #include "pkcs11_errors.h" |
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| 35 | |
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| 36 | #define PINPAD_TIMER_ID 1 |
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| 37 | |
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| 38 | extern HINSTANCE pluginInstance; |
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| 39 | extern char EstEID_error[1024]; |
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| 40 | |
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| 41 | HWND dialogWindowHandle; |
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| 42 | HANDLE timerHandle; |
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| 43 | int countdownValue; |
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| 44 | |
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| 45 | void SetDialogItemText(HWND hwnd, UINT resourceID, LPCSTR text){ |
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| 46 | WCHAR unicodeBuf[512]; |
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| 47 | MultiByteToWideChar(CP_UTF8, 0, text, -1, unicodeBuf, sizeof(unicodeBuf) / sizeof(WCHAR)); |
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| 48 | SetDlgItemText(hwnd, resourceID, unicodeBuf); |
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| 49 | } |
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| 50 | |
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| 51 | void showAlert(void *nativeWindowHandle, const char *message) { |
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| 52 | MessageBox((HWND)nativeWindowHandle, CA2W(message), CA2W(l10n("Error")), MB_OK | MB_ICONERROR); |
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| 53 | } |
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| 54 | |
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| 55 | BOOL isAcceptableLengthPIN2(HWND hwnd, UINT pinFieldId, unsigned int minPin2Length){ |
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| 56 | return SendDlgItemMessage(hwnd, pinFieldId, WM_GETTEXTLENGTH, NULL, NULL) >= minPin2Length; |
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| 57 | } |
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| 58 | |
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| 59 | void UpdateProgerssBar(HWND dialogWindowHandle, int countdownValue) { |
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| 60 | SendMessage(GetDlgItem(dialogWindowHandle, IDC_PROGRESSBAR), PBM_SETPOS, (WPARAM)countdownValue, 0L); |
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| 61 | } |
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| 62 | |
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| 63 | void KillCountdownTimer(){ |
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| 64 | KillTimer(dialogWindowHandle, 1); |
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| 65 | EstEID_log("pinpad countdown timer killed"); |
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| 66 | } |
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| 67 | |
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| 68 | void CountdownTimerProc() { |
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| 69 | if(countdownValue > 0){ |
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| 70 | countdownValue--; |
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| 71 | UpdateProgerssBar(dialogWindowHandle, countdownValue); |
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| 72 | } |
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| 73 | else { |
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| 74 | KillCountdownTimer(); |
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| 75 | } |
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| 76 | } |
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| 77 | |
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| 78 | void SetPinDialogLabels(HWND windowHandle, char *certId, unsigned int *pin2Len) { |
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| 79 | LOG_LOCATION; |
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| 80 | |
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| 81 | //duplicate code |
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| 82 | int certIndex; |
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| 83 | EstEID_Certs *certs = EstEID_loadCerts(); |
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| 84 | EstEID_log("certs loaded"); |
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| 85 | if (!certs) { |
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| 86 | EstEID_log("%s", EstEID_error); |
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| 87 | } |
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| 88 | else if ((certIndex = EstEID_findNonRepuditionCert(certs, certId)) == NOT_FOUND) { |
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| 89 | EstEID_log("crd is changed"); |
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| 90 | } |
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| 91 | EstEID_Map cert = certs->certs[certIndex]; |
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| 92 | |
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| 93 | //duplicated code |
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| 94 | char* name = EstEID_getFullNameWithPersonalCode(cert); |
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| 95 | |
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| 96 | WCHAR label[512]; |
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| 97 | MultiByteToWideChar(CP_UTF8, 0, createDialogTitle(name), -1, label, sizeof(label) / sizeof(WCHAR)); |
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| 98 | SetWindowText(windowHandle, label); |
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| 99 | |
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| 100 | SetDialogItemText(windowHandle, IDC_NAME, name); |
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| 101 | |
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| 102 | *pin2Len = (unsigned)atoi(EstEID_mapGet(cert, "minPinLen")); |
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| 103 | |
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| 104 | free(name); |
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| 105 | } |
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| 106 | |
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| 107 | void SetPinPadDialogLabels(HWND windowHandle, LPARAM lParam) { |
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| 108 | WCHAR label[512]; |
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| 109 | MultiByteToWideChar(CP_UTF8, 0, createDialogTitle(((DialogData *)lParam)->name), -1, label, sizeof(label) / sizeof(WCHAR)); |
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| 110 | SetWindowText(windowHandle, label); |
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| 111 | |
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| 112 | SetDialogItemText(windowHandle, IDC_NAME, ((DialogData *)lParam)->name); |
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| 113 | if(((DialogData *)lParam)->message != NULL) { |
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| 114 | SetDialogItemText(windowHandle, IDC_ERROR, ((DialogData *)lParam)->message); |
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| 115 | } |
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| 116 | } |
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| 117 | |
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| 118 | INT_PTR SetMessageLabelColorToRed(WPARAM wParam) { |
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| 119 | SetTextColor((HDC)wParam, RGB(255, 0, 0)); |
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| 120 | SetBkColor((HDC)wParam, GetSysColor(COLOR_BTNFACE)); |
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| 121 | return (INT_PTR)GetStockObject(NULL_BRUSH); |
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| 122 | } |
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| 123 | |
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| 124 | CK_ULONG SetUpPin2Dialog(HWND hwnd, int retryCount, char* certId) { |
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| 125 | char message[512]; |
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| 126 | CK_SLOT_ID slotId; |
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| 127 | |
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| 128 | if(!EstEID_getSlotId(certId, &slotId)) { |
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| 129 | return CKR_GENERAL_ERROR; |
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| 130 | } |
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| 131 | int remainingTries = EstEID_getRemainingTries(slotId); |
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| 132 | EstEID_log("EstEID_getRemainingTries(slotID) = %i", remainingTries); |
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| 133 | if (remainingTries == -1) { |
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| 134 | return CKR_GENERAL_ERROR; |
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| 135 | } |
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| 136 | if (!remainingTries) { |
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| 137 | sprintf(EstEID_error, "C_Login error: %s (%li)", pkcs11_error_message(CKR_PIN_LOCKED), CKR_PIN_LOCKED); |
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| 138 | return CKR_PIN_LOCKED; |
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| 139 | } |
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| 140 | EstEID_log("retryCount = %i", retryCount); |
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| 141 | if (remainingTries < 3) { |
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| 142 | sprintf(message, "%s %i", l10n("Tries left:"), remainingTries); |
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| 143 | sprintf(message, "%s%s %i", (retryCount ? l10n("Incorrect PIN2! ") : ""), l10n("Tries left:"), remainingTries); |
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| 144 | } |
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| 145 | else { |
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| 146 | message[0] = 0; |
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| 147 | } |
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| 148 | SetDialogItemText(hwnd, IDC_ERROR, message); |
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| 149 | SetDlgItemText(hwnd, IDC_PIN2, L""); |
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| 150 | return CKR_OK; |
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| 151 | } |
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| 152 | |
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| 153 | void EndDialogIfPIN2Blocked(HWND hwnd, int cardStatus) { |
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| 154 | if(cardStatus == CKR_PIN_LOCKED) { |
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| 155 | ShowWindow(hwnd, false); |
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| 156 | showAlert(hwnd, l10n("PIN2 blocked, cannot sign!")); |
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| 157 | EndDialog(hwnd, IDCANCEL); |
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| 158 | } |
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| 159 | } |
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| 160 | |
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| 161 | INT_PTR CALLBACK Pin2DialogProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { |
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| 162 | static TCHAR *pin2; |
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| 163 | static unsigned int minPin2Length; |
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| 164 | static char* certId; |
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| 165 | static char* hash; |
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| 166 | static char* signature; |
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| 167 | static int retryCount; |
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| 168 | int cardStatus; |
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| 169 | char* tmpSignature = NULL; |
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| 170 | EstEID_PINPromptData pinPromptData = {NULL, NULL, NULL, NULL}; |
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| 171 | |
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| 172 | switch(message) { |
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| 173 | case WM_INITDIALOG: |
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| 174 | dialogWindowHandle = hwnd; |
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| 175 | EstEID_log("PIN2 dialog window handle = %08X", dialogWindowHandle); |
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| 176 | SetPinDialogLabels(dialogWindowHandle, ((DialogData *)lParam)->certId, &minPin2Length); |
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| 177 | SetDialogItemText(dialogWindowHandle, IDC_PIN2_LABEL, l10n("For signing enter PIN2:")); |
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| 178 | SetDialogItemText(dialogWindowHandle, IDOK, l10n("Sign")); |
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| 179 | SetDialogItemText(dialogWindowHandle, IDCANCEL, l10n("Cancel")); |
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| 180 | pin2 = ((DialogData *)lParam)->pin2; |
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| 181 | certId = ((DialogData *)lParam)->certId; |
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| 182 | hash = ((DialogData *)lParam)->hash; |
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| 183 | signature = ((DialogData *)lParam)->signature; |
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| 184 | retryCount = 0; |
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| 185 | EndDialogIfPIN2Blocked(hwnd, SetUpPin2Dialog(hwnd, retryCount, certId)); |
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| 186 | return true; |
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| 187 | case WM_COMMAND: |
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| 188 | switch(LOWORD(wParam)) { |
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| 189 | case IDOK: |
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| 190 | GetDlgItemText(hwnd, IDC_PIN2, pin2, PIN2_MAX_LEN); |
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| 191 | pinPromptData.pin2 = strdup(CW2A(pin2)); //NB!!! vaata yle maluhaldus |
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| 192 | tmpSignature = EstEID_sign(strdup(certId), strdup(hash), pinPromptData); // duplicates used as EstEID_sign() will free them |
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| 193 | retryCount++; |
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| 194 | if(tmpSignature) { |
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| 195 | strcpy(signature, tmpSignature); |
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| 196 | free(tmpSignature); |
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| 197 | } |
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| 198 | else { |
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| 199 | cardStatus = SetUpPin2Dialog(hwnd, retryCount, certId); |
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| 200 | if( cardStatus!= CKR_OK) { |
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| 201 | EndDialogIfPIN2Blocked(hwnd, cardStatus); |
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| 202 | } |
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| 203 | return true; |
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| 204 | } |
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| 205 | case IDCANCEL: |
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| 206 | dialogWindowHandle = 0; |
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| 207 | EndDialog(hwnd, LOWORD(wParam)); |
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| 208 | EstEID_log("closing PIN2 dialog, focus is back @ %08X", GetFocus()); |
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| 209 | return true; |
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| 210 | } |
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| 211 | if(HIWORD(wParam) == EN_CHANGE && LOWORD(wParam) == IDC_PIN2) { |
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| 212 | Button_Enable(GetDlgItem(hwnd, IDOK), isAcceptableLengthPIN2(hwnd, IDC_PIN2, minPin2Length)); |
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| 213 | } |
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| 214 | return true; |
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| 215 | case WM_CTLCOLORSTATIC: |
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| 216 | if(GetDlgItem(hwnd, IDC_ERROR) == ((HWND)lParam)){ |
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| 217 | return SetMessageLabelColorToRed(wParam); |
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| 218 | } |
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| 219 | default: |
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| 220 | return false; |
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| 221 | } |
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| 222 | } |
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| 223 | |
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| 224 | INT_PTR CALLBACK PinPadDialogProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { |
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| 225 | switch(message) { |
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| 226 | case WM_INITDIALOG: |
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| 227 | dialogWindowHandle = hwnd; |
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| 228 | |
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| 229 | SetPinPadDialogLabels(dialogWindowHandle, lParam); |
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| 230 | SetDialogItemText(hwnd, IDC_PINPAD_PIN2_LABEL, l10n("For signing enter PIN2 from PIN pad")); |
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| 231 | |
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| 232 | countdownValue = 30; // in seconds |
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| 233 | EstEID_log("initializing pinpad countdown timer with value %i", countdownValue); |
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| 234 | SendMessage(GetDlgItem(dialogWindowHandle, IDC_PROGRESSBAR), PBM_SETSTATE, (WPARAM)PBST_PAUSED, 0L); |
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| 235 | SendMessage(GetDlgItem(dialogWindowHandle, IDC_PROGRESSBAR), PBM_SETRANGE, 0, MAKELPARAM(0, countdownValue)); |
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| 236 | UpdateProgerssBar(dialogWindowHandle, countdownValue); |
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| 237 | SendMessage(GetDlgItem(dialogWindowHandle, IDC_PROGRESSBAR), PBM_SETSTATE, (WPARAM)PBST_NORMAL, 0L); |
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| 238 | SetTimer(dialogWindowHandle, 1, 1000, NULL); |
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| 239 | break; |
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| 240 | case WM_DESTROY: |
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| 241 | KillCountdownTimer(); |
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| 242 | break; |
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| 243 | case WM_TIMER: |
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| 244 | CountdownTimerProc(); |
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| 245 | break; |
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| 246 | case WM_CTLCOLORSTATIC: |
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| 247 | if(GetDlgItem(hwnd, IDC_ERROR) == ((HWND)lParam)){ |
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| 248 | return SetMessageLabelColorToRed(wParam); |
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| 249 | } |
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| 250 | default: |
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| 251 | return false; |
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| 252 | } |
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| 253 | return DefWindowProc(hwnd, message, wParam, lParam); |
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| 254 | } |
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| 255 | |
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| 256 | void closePinPadModalSheet() { |
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| 257 | LOG_LOCATION; |
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| 258 | EndDialog(dialogWindowHandle, IDCANCEL); |
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| 259 | } |
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| 260 | |
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| 261 | char *promptForPIN(void *nativeWindowHandle, const char *name, const char *message, unsigned int minPin2Length, int usePinPad) { |
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| 262 | LOG_LOCATION; |
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| 263 | DialogData dialogData; |
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| 264 | |
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| 265 | if(usePinPad){ |
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| 266 | dialogData.pin2[0] = '\0'; |
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| 267 | dialogData.name = name; |
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| 268 | dialogData.message = message; |
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| 269 | dialogData.minPin2Length = minPin2Length; |
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| 270 | DialogBoxParamW(pluginInstance, MAKEINTRESOURCEW(IDD_PINPAD_DIALOG), (HWND)nativeWindowHandle, PinPadDialogProc, (LPARAM)&dialogData); |
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| 271 | } |
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| 272 | return strdup(""); |
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| 273 | } |
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