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#include "stdafx.h"
struct PasswordData
{
MCONTACT hContact;
int attempt;
};
bool CheckPassword(MCONTACT hContact, char *password)
{
mir_md5_state_t ms;
BYTE digest[16];
mir_md5_init(&ms);
mir_md5_append(&ms, (const unsigned char *)password, lstrlenA(password));
mir_md5_finish(&ms, digest);
DBVARIANT dbv;
db_get(hContact, MODULENAME, "password", &dbv);
if (dbv.type != DBVT_BLOB) {
db_free(&dbv);
return true;
}
else {
if (dbv.cpbVal != 16) {
db_free(&dbv);
return false;
}
for (int i = 0; i < 16; i++) {
if (dbv.pbVal[i] != digest[i]) {
db_free(&dbv);
return false;
}
}
db_free(&dbv);
return true;
}
}
void SetPassword(MCONTACT hContact, char *password)
{
if (!password || !*password) {
db_unset(hContact, MODULENAME, "password");
return;
}
mir_md5_state_t ms;
BYTE digest[16];
mir_md5_init(&ms);
mir_md5_append(&ms, (const unsigned char *)password, lstrlenA(password));
mir_md5_finish(&ms, digest);
db_set_blob(hContact, MODULENAME, "password", (PBYTE)digest, 16);
}
INT_PTR CALLBACK PasswordDlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
PasswordData *data = (PasswordData *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
switch (msg) {
case WM_INITDIALOG:
data = new PasswordData;
data->attempt = 0;
data->hContact = (MCONTACT)lParam;
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)data);
RECT rc, rcMe;
SystemParametersInfo(SPI_GETWORKAREA, 0, &rc, 0);
GetWindowRect(hwnd, &rcMe);
SetWindowPos(hwnd, hwnd,
rc.left + ((rc.right - rc.left) - (rcMe.right - rcMe.left)) / 2,
rc.top + ((rc.bottom - rc.top) - (rcMe.bottom - rcMe.top)) / 2,
0, 0, SWP_NOSIZE | SWP_NOZORDER);
SetFocus(GetDlgItem(hwnd, IDC_PASSWORD));
return TRUE;
case WM_COMMAND:
{
switch (LOWORD(wParam)) {
case IDOK:
data->attempt++;
{
int length = GetWindowTextLengthA(GetDlgItem(hwnd, IDC_PASSWORD));
char *input = new char[length + 1];
GetWindowTextA(GetDlgItem(hwnd, IDC_PASSWORD), input, length + 1);
if (CheckPassword(data->hContact, input)) {
MessageBeep(MB_OK);
EndDialog(hwnd, 1);
}
else {
if (data->attempt >= 3) {
MessageBoxA(hwnd, "Sorry, but you've not managed to type\r\nthe correct password in 3 attempts.", "Newstory", MB_ICONHAND | MB_OK);
EndDialog(hwnd, 0);
}
else {
MessageBeep(MB_ICONHAND);
SetWindowTextA(GetDlgItem(hwnd, IDC_PASSWORD), "");
}
}
delete[] input;
}
return TRUE;
case IDCANCEL:
EndDialog(hwnd, 0);
return TRUE;
}
break;
}
case WM_CLOSE:
DestroyWindow(hwnd);
return TRUE;
case WM_DESTROY:
delete data;
data = 0;
SetWindowLongPtr(hwnd, GWLP_USERDATA, 0);
}
return FALSE;
}
bool AskPassword(MCONTACT hContact)
{
DBVARIANT dbv;
db_get(hContact, MODULENAME, "password", &dbv);
if (dbv.type != DBVT_BLOB) {
db_free(&dbv);
return true;
}
db_free(&dbv);
if (DialogBoxParam(g_plugin.getInst(), MAKEINTRESOURCE(IDD_PASSWORD), 0, PasswordDlgProc, (LPARAM)hContact))
return true;
return false;
}
INT_PTR CALLBACK ChangePasswordDlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
MCONTACT hContact = (MCONTACT)GetWindowLongPtr(hwnd, GWLP_USERDATA);
switch (msg) {
case WM_INITDIALOG:
{
hContact = (MCONTACT)lParam;
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)hContact);
// RECT rc, rcMe;
// SystemParametersInfo(SPI_GETWORKAREA, 0, &rc, 0);
// GetWindowRect(hwnd, &rcMe);
// SetWindowPos(hwnd, hwnd,
// rc.left+((rc.right-rc.left) - (rcMe.right-rcMe.left))/2,
// rc.top+((rc.bottom-rc.top) - (rcMe.bottom-rcMe.top))/2,
// 0, 0, SWP_NOSIZE|SWP_NOZORDER);
SetFocus(GetDlgItem(hwnd, IDC_PASSWORD));
return TRUE;
}
case WM_COMMAND:
{
switch (LOWORD(wParam)) {
case IDOK:
{
int length = GetWindowTextLengthA(GetDlgItem(hwnd, IDC_PASSWORD));
char *input = new char[length + 1];
GetWindowTextA(GetDlgItem(hwnd, IDC_PASSWORD), input, length + 1);
length = GetWindowTextLengthA(GetDlgItem(hwnd, IDC_PASSWORD2));
char *input2 = new char[length + 1];
GetWindowTextA(GetDlgItem(hwnd, IDC_PASSWORD2), input2, length + 1);
length = GetWindowTextLengthA(GetDlgItem(hwnd, IDC_PASSWORD3));
char *input3 = new char[length + 1];
GetWindowTextA(GetDlgItem(hwnd, IDC_PASSWORD3), input3, length + 1);
if (lstrcmpA(input2, input3) || !CheckPassword(hContact, input)) {
MessageBeep(MB_ICONHAND);
SetWindowTextA(GetDlgItem(hwnd, IDC_PASSWORD), "");
SetWindowTextA(GetDlgItem(hwnd, IDC_PASSWORD2), "");
SetWindowTextA(GetDlgItem(hwnd, IDC_PASSWORD3), "");
}
else {
SetPassword(hContact, input2);
EndDialog(hwnd, 0);
}
delete[] input;
delete[] input2;
delete[] input3;
}
return TRUE;
case IDCANCEL:
EndDialog(hwnd, 0);
return TRUE;
}
break;
}
case WM_CLOSE:
EndDialog(hwnd, 0);
DestroyWindow(hwnd);
return TRUE;
case WM_DESTROY:
SetWindowLongPtr(hwnd, GWLP_USERDATA, 0);
}
return FALSE;
}
void ChangePassword(HWND hwnd, MCONTACT hContact)
{
DialogBoxParam(g_plugin.getInst(), MAKEINTRESOURCE(IDD_CHANGEPASSWORD), hwnd, ChangePasswordDlgProc, (LPARAM)hContact);
}
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