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#include "stdafx.h"
struct PasswordData
{
HANDLE hContact;
int attempt;
};
bool CheckPassword(HANDLE hContact, char *password)
{
md5_state_t ms;
md5_byte_t digest[16];
md5_init(&ms);
md5_append(&ms, (const unsigned char *)password, lstrlenA(password));
md5_finish(&ms, digest);
DBVARIANT dbv;
DBCONTACTGETSETTING dbcgs;
dbcgs.szModule = MODULENAME;
dbcgs.szSetting = "password";
dbcgs.pValue = &dbv;
CallService(MS_DB_CONTACT_GETSETTING, (WPARAM)hContact, (LPARAM)&dbcgs);
if (dbv.type != DBVT_BLOB)
{
CallService(MS_DB_CONTACT_FREEVARIANT, 0, (LPARAM)&dbv);
return true;
} else
{
if (dbv.cpbVal != 16)
{
CallService(MS_DB_CONTACT_FREEVARIANT, 0, (LPARAM)&dbv);
return false;
}
for (int i = 0; i < 16; i++)
if (dbv.pbVal[i] != digest[i])
{
CallService(MS_DB_CONTACT_FREEVARIANT, 0, (LPARAM)&dbv);
return false;
}
CallService(MS_DB_CONTACT_FREEVARIANT, 0, (LPARAM)&dbv);
return true;
}
}
void SetPassword(HANDLE hContact, char *password)
{
if (!password || !*password)
{
DBCONTACTGETSETTING dbcgs;
dbcgs.szModule = MODULENAME;
dbcgs.szSetting = "password";
CallService(MS_DB_CONTACT_DELETESETTING, (WPARAM)hContact, (LPARAM)&dbcgs);
return;
}
md5_state_t ms;
md5_byte_t digest[16];
md5_init(&ms);
md5_append(&ms, (const unsigned char *)password, lstrlenA(password));
md5_finish(&ms, digest);
DBCONTACTWRITESETTING dbcws;
dbcws.szModule = MODULENAME;
dbcws.szSetting = "password";
dbcws.value.type = DBVT_BLOB;
dbcws.value.cpbVal = 16;
dbcws.value.pbVal = (PBYTE)digest;
CallService(MS_DB_CONTACT_WRITESETTING, (WPARAM)hContact, (LPARAM)&dbcws);
}
int CALLBACK PasswordDlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
PasswordData *data = (PasswordData *)GetWindowLong(hwnd, GWL_USERDATA);
switch (msg)
{
case WM_INITDIALOG:
{
data = new PasswordData;
data->attempt = 0;
data->hContact = (HANDLE)lParam;
SetWindowLong(hwnd, GWL_USERDATA, (LONG)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;
SetWindowLong(hwnd, GWL_USERDATA, 0);
}
}
return FALSE;
}
bool AskPassword(HANDLE hContact)
{
DBVARIANT dbv;
DBCONTACTGETSETTING dbcgs;
dbcgs.szModule = MODULENAME;
dbcgs.szSetting = "password";
dbcgs.pValue = &dbv;
CallService(MS_DB_CONTACT_GETSETTING, (WPARAM)hContact, (LPARAM)&dbcgs);
if (dbv.type != DBVT_BLOB)
{
CallService(MS_DB_CONTACT_FREEVARIANT, 0, (LPARAM)&dbv);
return true;
}
CallService(MS_DB_CONTACT_FREEVARIANT, 0, (LPARAM)&dbv);
if (DialogBoxParam(hInst, MAKEINTRESOURCE(IDD_PASSWORD), 0, PasswordDlgProc, (LPARAM)hContact))
return true;
return false;
}
int CALLBACK ChangePasswordDlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
HANDLE hContact = (HANDLE)GetWindowLong(hwnd, GWL_USERDATA);
switch (msg)
{
case WM_INITDIALOG:
{
hContact = (HANDLE)lParam;
SetWindowLong(hwnd, GWL_USERDATA, (LONG)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:
{
SetWindowLong(hwnd, GWL_USERDATA, 0);
}
}
return FALSE;
}
void ChangePassword(HWND hwnd, HANDLE hContact)
{
DialogBoxParam(hInst, MAKEINTRESOURCE(IDD_CHANGEPASSWORD), hwnd, ChangePasswordDlgProc, (LPARAM)hContact);
}
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