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wine/dlls/localui/localui.c
Michael Stefaniuc f417dc1efb localui: Avoid sizeof on structs with a varlength array.
2012-12-11 15:49:03 +01:00

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/*
* Implementation of the Local Printmonitor User Interface
*
* Copyright 2007 Detlef Riekenberg
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winreg.h"
#include "winuser.h"
#include "winspool.h"
#include "ddk/winsplp.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "localui.h"
WINE_DEFAULT_DEBUG_CHANNEL(localui);
/*****************************************************/
static HINSTANCE LOCALUI_hInstance;
static const WCHAR cmd_AddPortW[] = {'A','d','d','P','o','r','t',0};
static const WCHAR cmd_ConfigureLPTPortCommandOKW[] = {'C','o','n','f','i','g','u','r','e',
'L','P','T','P','o','r','t',
'C','o','m','m','a','n','d','O','K',0};
static const WCHAR cmd_DeletePortW[] = {'D','e','l','e','t','e','P','o','r','t',0};
static const WCHAR cmd_GetDefaultCommConfigW[] = {'G','e','t',
'D','e','f','a','u','l','t',
'C','o','m','m','C','o','n','f','i','g',0};
static const WCHAR cmd_GetTransmissionRetryTimeoutW[] = {'G','e','t',
'T','r','a','n','s','m','i','s','s','i','o','n',
'R','e','t','r','y','T','i','m','e','o','u','t',0};
static const WCHAR cmd_PortIsValidW[] = {'P','o','r','t','I','s','V','a','l','i','d',0};
static const WCHAR cmd_SetDefaultCommConfigW[] = {'S','e','t',
'D','e','f','a','u','l','t',
'C','o','m','m','C','o','n','f','i','g',0};
static const WCHAR fmt_uW[] = {'%','u',0};
static const WCHAR portname_LPT[] = {'L','P','T',0};
static const WCHAR portname_COM[] = {'C','O','M',0};
static const WCHAR portname_FILE[] = {'F','I','L','E',':',0};
static const WCHAR portname_CUPS[] = {'C','U','P','S',':',0};
static const WCHAR portname_LPR[] = {'L','P','R',':',0};
static const WCHAR XcvMonitorW[] = {',','X','c','v','M','o','n','i','t','o','r',' ',0};
static const WCHAR XcvPortW[] = {',','X','c','v','P','o','r','t',' ',0};
/*****************************************************/
typedef struct tag_addportui_t {
LPWSTR portname;
HANDLE hXcv;
} addportui_t;
typedef struct tag_lptconfig_t {
HANDLE hXcv;
DWORD value;
} lptconfig_t;
static INT_PTR CALLBACK dlgproc_lptconfig(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
/*****************************************************
* strdupWW [internal]
*/
static LPWSTR strdupWW(LPCWSTR pPrefix, LPCWSTR pSuffix)
{
LPWSTR ptr;
DWORD len;
len = lstrlenW(pPrefix) + (pSuffix ? lstrlenW(pSuffix) : 0) + 1;
ptr = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (ptr) {
lstrcpyW(ptr, pPrefix);
if (pSuffix) lstrcatW(ptr, pSuffix);
}
return ptr;
}
/*****************************************************
* dlg_configure_com [internal]
*
*/
static BOOL dlg_configure_com(HANDLE hXcv, HWND hWnd, PCWSTR pPortName)
{
COMMCONFIG cfg;
LPWSTR shortname;
DWORD status;
DWORD dummy;
DWORD len;
BOOL res;
/* strip the colon (pPortName is never empty here) */
len = lstrlenW(pPortName);
shortname = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (shortname) {
memcpy(shortname, pPortName, (len -1) * sizeof(WCHAR));
shortname[len-1] = '\0';
/* get current settings */
len = FIELD_OFFSET(COMMCONFIG, wcProviderData[1]);
status = ERROR_SUCCESS;
res = XcvDataW( hXcv, cmd_GetDefaultCommConfigW,
(PBYTE) shortname,
(lstrlenW(shortname) +1) * sizeof(WCHAR),
(PBYTE) &cfg, len, &len, &status);
if (res && (status == ERROR_SUCCESS)) {
/* display the Dialog */
res = CommConfigDialogW(pPortName, hWnd, &cfg);
if (res) {
status = ERROR_SUCCESS;
/* set new settings */
res = XcvDataW(hXcv, cmd_SetDefaultCommConfigW,
(PBYTE) &cfg, len,
(PBYTE) &dummy, 0, &len, &status);
}
}
HeapFree(GetProcessHeap(), 0, shortname);
return res;
}
return FALSE;
}
/*****************************************************
* dlg_configure_lpt [internal]
*
*/
static BOOL dlg_configure_lpt(HANDLE hXcv, HWND hWnd)
{
lptconfig_t data;
BOOL res;
data.hXcv = hXcv;
res = DialogBoxParamW(LOCALUI_hInstance, MAKEINTRESOURCEW(LPTCONFIG_DIALOG), hWnd,
dlgproc_lptconfig, (LPARAM) &data);
TRACE("got %u with %u\n", res, GetLastError());
if (!res) SetLastError(ERROR_CANCELLED);
return res;
}
/******************************************************************
* dlg_port_already_exists [internal]
*/
static void dlg_port_already_exists(HWND hWnd, LPCWSTR portname)
{
WCHAR res_PortW[IDS_LOCALPORT_MAXLEN];
WCHAR res_PortExistsW[IDS_PORTEXISTS_MAXLEN];
LPWSTR message;
DWORD len;
res_PortW[0] = '\0';
res_PortExistsW[0] = '\0';
LoadStringW(LOCALUI_hInstance, IDS_LOCALPORT, res_PortW, IDS_LOCALPORT_MAXLEN);
LoadStringW(LOCALUI_hInstance, IDS_PORTEXISTS, res_PortExistsW, IDS_PORTEXISTS_MAXLEN);
len = lstrlenW(portname) + IDS_PORTEXISTS_MAXLEN + 1;
message = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (message) {
message[0] = '\0';
snprintfW(message, len, res_PortExistsW, portname);
MessageBoxW(hWnd, message, res_PortW, MB_OK | MB_ICONERROR);
HeapFree(GetProcessHeap(), 0, message);
}
}
/******************************************************************
* dlg_invalid_portname [internal]
*/
static void dlg_invalid_portname(HWND hWnd, LPCWSTR portname)
{
WCHAR res_PortW[IDS_LOCALPORT_MAXLEN];
WCHAR res_InvalidNameW[IDS_INVALIDNAME_MAXLEN];
LPWSTR message;
DWORD len;
res_PortW[0] = '\0';
res_InvalidNameW[0] = '\0';
LoadStringW(LOCALUI_hInstance, IDS_LOCALPORT, res_PortW, IDS_LOCALPORT_MAXLEN);
LoadStringW(LOCALUI_hInstance, IDS_INVALIDNAME, res_InvalidNameW, IDS_INVALIDNAME_MAXLEN);
len = lstrlenW(portname) + IDS_INVALIDNAME_MAXLEN;
message = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (message) {
message[0] = '\0';
snprintfW(message, len, res_InvalidNameW, portname);
MessageBoxW(hWnd, message, res_PortW, MB_OK | MB_ICONERROR);
HeapFree(GetProcessHeap(), 0, message);
}
}
/******************************************************************
* display the Dialog "Nothing to configure"
*
*/
static void dlg_nothingtoconfig(HWND hWnd)
{
WCHAR res_PortW[IDS_LOCALPORT_MAXLEN];
WCHAR res_nothingW[IDS_NOTHINGTOCONFIG_MAXLEN];
res_PortW[0] = '\0';
res_nothingW[0] = '\0';
LoadStringW(LOCALUI_hInstance, IDS_LOCALPORT, res_PortW, IDS_LOCALPORT_MAXLEN);
LoadStringW(LOCALUI_hInstance, IDS_NOTHINGTOCONFIG, res_nothingW, IDS_NOTHINGTOCONFIG_MAXLEN);
MessageBoxW(hWnd, res_nothingW, res_PortW, MB_OK | MB_ICONINFORMATION);
}
/******************************************************************
* dlg_win32error [internal]
*/
static void dlg_win32error(HWND hWnd, DWORD lasterror)
{
WCHAR res_PortW[IDS_LOCALPORT_MAXLEN];
LPWSTR message = NULL;
DWORD res;
res_PortW[0] = '\0';
LoadStringW(LOCALUI_hInstance, IDS_LOCALPORT, res_PortW, IDS_LOCALPORT_MAXLEN);
res = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, lasterror, 0, (LPWSTR) &message, 0, NULL);
if (res > 0) {
MessageBoxW(hWnd, message, res_PortW, MB_OK | MB_ICONERROR);
LocalFree(message);
}
}
/*****************************************************************************
*
*/
static INT_PTR CALLBACK dlgproc_addport(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
addportui_t * data;
DWORD status;
DWORD dummy;
DWORD len;
DWORD res;
switch(msg)
{
case WM_INITDIALOG:
SetWindowLongPtrW(hwnd, DWLP_USER, lparam);
return TRUE;
case WM_COMMAND:
if (wparam == MAKEWPARAM(IDOK, BN_CLICKED))
{
data = (addportui_t *) GetWindowLongPtrW(hwnd, DWLP_USER);
/* length in WCHAR, without the '\0' */
len = SendDlgItemMessageW(hwnd, ADDPORT_EDIT, WM_GETTEXTLENGTH, 0, 0);
data->portname = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
if (!data->portname) {
EndDialog(hwnd, FALSE);
return TRUE;
}
/* length is in WCHAR, including the '\0' */
GetDlgItemTextW(hwnd, ADDPORT_EDIT, data->portname, len + 1);
status = ERROR_SUCCESS;
res = XcvDataW( data->hXcv, cmd_PortIsValidW, (PBYTE) data->portname,
(lstrlenW(data->portname) + 1) * sizeof(WCHAR),
(PBYTE) &dummy, 0, &len, &status);
TRACE("got %u with status %u\n", res, status);
if (res && (status == ERROR_SUCCESS)) {
/* The caller must free data->portname */
EndDialog(hwnd, TRUE);
return TRUE;
}
if (res && (status == ERROR_INVALID_NAME)) {
dlg_invalid_portname(hwnd, data->portname);
HeapFree(GetProcessHeap(), 0, data->portname);
data->portname = NULL;
return TRUE;
}
dlg_win32error(hwnd, status);
HeapFree(GetProcessHeap(), 0, data->portname);
data->portname = NULL;
return TRUE;
}
if (wparam == MAKEWPARAM(IDCANCEL, BN_CLICKED))
{
EndDialog(hwnd, FALSE);
return TRUE;
}
return FALSE;
}
return FALSE;
}
/*****************************************************************************
* dlgproc_lptconfig [internal]
*
* Our message-proc is simple, as the range-check is done only during the
* command "OK" and the dialog is set to the start-value at "out of range".
*
* Native localui.dll does the check during keyboard-input and set the dialog
* to the previous value.
*
*/
static INT_PTR CALLBACK dlgproc_lptconfig(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
lptconfig_t * data;
WCHAR bufferW[16];
DWORD status;
DWORD dummy;
DWORD len;
DWORD res;
switch(msg)
{
case WM_INITDIALOG:
SetWindowLongPtrW(hwnd, DWLP_USER, lparam);
data = (lptconfig_t *) lparam;
/* Get current setting */
data->value = 45;
status = ERROR_SUCCESS;
res = XcvDataW( data->hXcv, cmd_GetTransmissionRetryTimeoutW,
(PBYTE) &dummy, 0,
(PBYTE) &data->value, sizeof(data->value), &len, &status);
TRACE("got %u with status %u\n", res, status);
/* Set current setting as the initial value in the Dialog */
SetDlgItemInt(hwnd, LPTCONFIG_EDIT, data->value, FALSE);
return TRUE;
case WM_COMMAND:
if (wparam == MAKEWPARAM(IDOK, BN_CLICKED))
{
data = (lptconfig_t *) GetWindowLongPtrW(hwnd, DWLP_USER);
status = FALSE;
res = GetDlgItemInt(hwnd, LPTCONFIG_EDIT, (BOOL *) &status, FALSE);
/* length is in WCHAR, including the '\0' */
GetDlgItemTextW(hwnd, LPTCONFIG_EDIT, bufferW, sizeof(bufferW) / sizeof(bufferW[0]));
TRACE("got %s and %u (translated: %u)\n", debugstr_w(bufferW), res, status);
/* native localui.dll use the same limits */
if ((res > 0) && (res < 1000000) && status) {
sprintfW(bufferW, fmt_uW, res);
res = XcvDataW( data->hXcv, cmd_ConfigureLPTPortCommandOKW,
(PBYTE) bufferW,
(lstrlenW(bufferW) +1) * sizeof(WCHAR),
(PBYTE) &dummy, 0, &len, &status);
TRACE("got %u with status %u\n", res, status);
EndDialog(hwnd, TRUE);
return TRUE;
}
/* Set initial value and rerun the Dialog */
SetDlgItemInt(hwnd, LPTCONFIG_EDIT, data->value, FALSE);
return TRUE;
}
if (wparam == MAKEWPARAM(IDCANCEL, BN_CLICKED))
{
EndDialog(hwnd, FALSE);
return TRUE;
}
return FALSE;
}
return FALSE;
}
/*****************************************************
* get_type_from_name (internal)
*
*/
static DWORD get_type_from_name(LPCWSTR name)
{
HANDLE hfile;
if (!strncmpiW(name, portname_LPT, sizeof(portname_LPT) / sizeof(WCHAR) -1))
return PORT_IS_LPT;
if (!strncmpiW(name, portname_COM, sizeof(portname_COM) / sizeof(WCHAR) -1))
return PORT_IS_COM;
if (!strcmpiW(name, portname_FILE))
return PORT_IS_FILE;
if (name[0] == '/')
return PORT_IS_UNIXNAME;
if (name[0] == '|')
return PORT_IS_PIPE;
if (!strncmpW(name, portname_CUPS, sizeof(portname_CUPS) / sizeof(WCHAR) -1))
return PORT_IS_CUPS;
if (!strncmpW(name, portname_LPR, sizeof(portname_LPR) / sizeof(WCHAR) -1))
return PORT_IS_LPR;
/* Must be a file or a directory. Does the file exist ? */
hfile = CreateFileW(name, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
TRACE("%p for OPEN_EXISTING on %s\n", hfile, debugstr_w(name));
if (hfile == INVALID_HANDLE_VALUE) {
/* Can we create the file? */
hfile = CreateFileW(name, GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_FLAG_DELETE_ON_CLOSE, NULL);
TRACE("%p for OPEN_ALWAYS\n", hfile);
}
if (hfile != INVALID_HANDLE_VALUE) {
CloseHandle(hfile);
return PORT_IS_FILENAME;
}
/* We can't use the name. use GetLastError() for the reason */
return PORT_IS_UNKNOWN;
}
/*****************************************************
* open_monitor_by_name [internal]
*
*/
static BOOL open_monitor_by_name(LPCWSTR pPrefix, LPCWSTR pPort, HANDLE * phandle)
{
PRINTER_DEFAULTSW pd;
LPWSTR fullname;
BOOL res;
* phandle = 0;
TRACE("(%s,%s)\n", debugstr_w(pPrefix),debugstr_w(pPort) );
fullname = strdupWW(pPrefix, pPort);
pd.pDatatype = NULL;
pd.pDevMode = NULL;
pd.DesiredAccess = SERVER_ACCESS_ADMINISTER;
res = OpenPrinterW(fullname, phandle, &pd);
HeapFree(GetProcessHeap(), 0, fullname);
return res;
}
/*****************************************************
* localui_AddPortUI [exported through MONITORUI]
*
* Display a Dialog to add a local Port
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* hWnd [I] Handle to parent Window for the Dialog-Box or NULL
* pMonitorName[I] Name of the Monitor, that should be used to add a Port or NULL
* ppPortName [O] PTR to PTR of a buffer, that receive the Name of the new Port or NULL
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* The caller must free the buffer (returned in ppPortName) with GlobalFree().
* Native localui.dll failed with ERROR_INVALID_PARAMETER, when the user tried
* to add a Port, that start with "COM" or "LPT".
*
*/
static BOOL WINAPI localui_AddPortUI(PCWSTR pName, HWND hWnd, PCWSTR pMonitorName, PWSTR *ppPortName)
{
addportui_t data;
HANDLE hXcv;
DWORD needed;
DWORD dummy;
DWORD status;
DWORD res = FALSE;
TRACE( "(%s, %p, %s, %p) (*ppPortName: %p)\n", debugstr_w(pName), hWnd,
debugstr_w(pMonitorName), ppPortName, ppPortName ? *ppPortName : NULL);
if (open_monitor_by_name(XcvMonitorW, pMonitorName, &hXcv)) {
ZeroMemory(&data, sizeof(addportui_t));
data.hXcv = hXcv;
res = DialogBoxParamW(LOCALUI_hInstance, MAKEINTRESOURCEW(ADDPORT_DIALOG), hWnd,
dlgproc_addport, (LPARAM) &data);
TRACE("got %u with %u for %s\n", res, GetLastError(), debugstr_w(data.portname));
if (ppPortName) *ppPortName = NULL;
if (res) {
res = XcvDataW(hXcv, cmd_AddPortW, (PBYTE) data.portname,
(lstrlenW(data.portname)+1) * sizeof(WCHAR),
(PBYTE) &dummy, 0, &needed, &status);
TRACE("got %u with status %u\n", res, status);
if (res && (status == ERROR_SUCCESS) && ppPortName) {
/* Native localui uses GlobalAlloc also.
The caller must GlobalFree the buffer */
*ppPortName = GlobalAlloc(GPTR, (lstrlenW(data.portname)+1) * sizeof(WCHAR));
if (*ppPortName) lstrcpyW(*ppPortName, data.portname);
}
if (res && (status == ERROR_ALREADY_EXISTS)) {
dlg_port_already_exists(hWnd, data.portname);
/* Native localui also return "TRUE" from AddPortUI in this case */
}
HeapFree(GetProcessHeap(), 0, data.portname);
}
else
{
SetLastError(ERROR_CANCELLED);
}
ClosePrinter(hXcv);
}
TRACE("=> %u with %u\n", res, GetLastError());
return res;
}
/*****************************************************
* localui_ConfigurePortUI [exported through MONITORUI]
*
* Display the Configuration-Dialog for a specific Port
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* hWnd [I] Handle to parent Window for the Dialog-Box or NULL
* pPortName [I] Name of the Port, that should be configured
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
*/
static BOOL WINAPI localui_ConfigurePortUI(PCWSTR pName, HWND hWnd, PCWSTR pPortName)
{
HANDLE hXcv;
DWORD res;
TRACE("(%s, %p, %s)\n", debugstr_w(pName), hWnd, debugstr_w(pPortName));
if (open_monitor_by_name(XcvPortW, pPortName, &hXcv)) {
res = get_type_from_name(pPortName);
switch(res)
{
case PORT_IS_COM:
res = dlg_configure_com(hXcv, hWnd, pPortName);
break;
case PORT_IS_LPT:
res = dlg_configure_lpt(hXcv, hWnd);
break;
default:
dlg_nothingtoconfig(hWnd);
SetLastError(ERROR_CANCELLED);
res = FALSE;
}
ClosePrinter(hXcv);
return res;
}
return FALSE;
}
/*****************************************************
* localui_DeletePortUI [exported through MONITORUI]
*
* Delete a specific Port
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* hWnd [I] Handle to parent Window
* pPortName [I] Name of the Port, that should be deleted
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* Native localui does not allow to delete a COM / LPT - Port (ERROR_NOT_SUPPORTED)
*
*/
static BOOL WINAPI localui_DeletePortUI(PCWSTR pName, HWND hWnd, PCWSTR pPortName)
{
HANDLE hXcv;
DWORD dummy;
DWORD needed;
DWORD status;
TRACE("(%s, %p, %s)\n", debugstr_w(pName), hWnd, debugstr_w(pPortName));
if ((!pPortName) || (!pPortName[0])) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (open_monitor_by_name(XcvPortW, pPortName, &hXcv)) {
/* native localui tests here for LPT / COM - Ports and failed with
ERROR_NOT_SUPPORTED. */
if (XcvDataW(hXcv, cmd_DeletePortW, (LPBYTE) pPortName,
(lstrlenW(pPortName)+1) * sizeof(WCHAR), (LPBYTE) &dummy, 0, &needed, &status)) {
ClosePrinter(hXcv);
if (status != ERROR_SUCCESS) SetLastError(status);
return (status == ERROR_SUCCESS);
}
ClosePrinter(hXcv);
return FALSE;
}
SetLastError(ERROR_UNKNOWN_PORT);
return FALSE;
}
/*****************************************************
* InitializePrintMonitorUI (LOCALUI.@)
*
* Initialize the User-Interface for the Local Ports
*
* RETURNS
* Success: Pointer to a MONITORUI Structure
* Failure: NULL
*
*/
PMONITORUI WINAPI InitializePrintMonitorUI(void)
{
static MONITORUI mymonitorui =
{
sizeof(MONITORUI),
localui_AddPortUI,
localui_ConfigurePortUI,
localui_DeletePortUI
};
TRACE("=> %p\n", &mymonitorui);
return &mymonitorui;
}
/*****************************************************
* DllMain
*/
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
TRACE("(%p, %d, %p)\n",hinstDLL, fdwReason, lpvReserved);
switch(fdwReason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls( hinstDLL );
LOCALUI_hInstance = hinstDLL;
break;
}
return TRUE;
}
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