341 lines
11 KiB
C
341 lines
11 KiB
C
/*
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* Implementation of the Local Printmonitor
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*
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* Copyright 2006 Detlef Riekenberg
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#define COBJMACROS
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#define NONAMELESSUNION
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winreg.h"
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#include "winver.h"
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#include "winnls.h"
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#include "winspool.h"
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#include "ddk/winsplp.h"
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#include "localspl_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(localspl);
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/*****************************************************/
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static const WCHAR WinNT_CV_PortsW[] = {'S','o','f','t','w','a','r','e','\\',
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'M','i','c','r','o','s','o','f','t','\\',
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'W','i','n','d','o','w','s',' ','N','T','\\',
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'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
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'P','o','r','t','s',0};
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/******************************************************************
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* display the Dialog "Nothing to configure"
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*
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*/
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static void dlg_nothingtoconfig(HWND hWnd)
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{
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WCHAR res_PortW[IDS_LOCALPORT_MAXLEN];
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WCHAR res_nothingW[IDS_NOTHINGTOCONFIG_MAXLEN];
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res_PortW[0] = '\0';
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res_nothingW[0] = '\0';
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LoadStringW(LOCALSPL_hInstance, IDS_LOCALPORT, res_PortW, IDS_LOCALPORT_MAXLEN);
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LoadStringW(LOCALSPL_hInstance, IDS_NOTHINGTOCONFIG, res_nothingW, IDS_NOTHINGTOCONFIG_MAXLEN);
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MessageBoxW(hWnd, res_nothingW, res_PortW, MB_OK | MB_ICONINFORMATION);
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}
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/******************************************************************
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* enumerate the local Ports from the Registry (internal)
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*
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* See localmon_EnumPortsW.
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*
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* NOTES
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* returns the needed size (in bytes) for pPorts
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* and *lpreturned is set to number of entries returned in pPorts
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*
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*/
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static DWORD get_ports_from_reg(DWORD level, LPBYTE pPorts, DWORD cbBuf, LPDWORD lpreturned)
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{
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HKEY hroot = 0;
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LPWSTR ptr;
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LPPORT_INFO_2W out;
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WCHAR portname[MAX_PATH];
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WCHAR res_PortW[IDS_LOCALPORT_MAXLEN];
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WCHAR res_MonitorW[IDS_LOCALMONITOR_MAXLEN];
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INT reslen_PortW;
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INT reslen_MonitorW;
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DWORD len;
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DWORD res;
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DWORD needed = 0;
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DWORD numentries;
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DWORD entrysize;
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DWORD id = 0;
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TRACE("(%d, %p, %d, %p)\n", level, pPorts, cbBuf, lpreturned);
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entrysize = (level == 1) ? sizeof(PORT_INFO_1W) : sizeof(PORT_INFO_2W);
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numentries = *lpreturned; /* this is 0, when we scan the registry */
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needed = entrysize * numentries;
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ptr = (LPWSTR) &pPorts[needed];
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if (needed > cbBuf) pPorts = NULL; /* No buffer for the structs */
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numentries = 0;
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needed = 0;
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/* we do not check more parameters as done in windows */
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if ((level < 1) || (level > 2)) {
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goto getports_cleanup;
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}
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/* "+1" for '\0' */
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reslen_MonitorW = LoadStringW(LOCALSPL_hInstance, IDS_LOCALMONITOR, res_MonitorW, IDS_LOCALMONITOR_MAXLEN) + 1;
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reslen_PortW = LoadStringW(LOCALSPL_hInstance, IDS_LOCALPORT, res_PortW, IDS_LOCALPORT_MAXLEN) + 1;
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res = RegOpenKeyW(HKEY_LOCAL_MACHINE, WinNT_CV_PortsW, &hroot);
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if (res == ERROR_SUCCESS) {
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/* Scan all Port-Names */
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while (res == ERROR_SUCCESS) {
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len = MAX_PATH;
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portname[0] = '\0';
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res = RegEnumValueW(hroot, id, portname, &len, NULL, NULL, NULL, NULL);
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if ((res == ERROR_SUCCESS) && (portname[0])) {
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numentries++;
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/* calsulate the required size */
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needed += entrysize;
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needed += (len + 1) * sizeof(WCHAR);
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if (level > 1) {
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needed += (reslen_MonitorW + reslen_PortW) * sizeof(WCHAR);
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}
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/* Now fill the user-buffer, if available */
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if (pPorts && (cbBuf >= needed)){
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out = (LPPORT_INFO_2W) pPorts;
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pPorts += entrysize;
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TRACE("%p: writing PORT_INFO_%dW #%d (%s)\n", out, level, numentries, debugstr_w(portname));
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out->pPortName = ptr;
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lstrcpyW(ptr, portname); /* Name of the Port */
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ptr += (len + 1);
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if (level > 1) {
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out->pMonitorName = ptr;
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lstrcpyW(ptr, res_MonitorW); /* Name of the Monitor */
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ptr += reslen_MonitorW;
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out->pDescription = ptr;
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lstrcpyW(ptr, res_PortW); /* Port Description */
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ptr += reslen_PortW;
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out->fPortType = PORT_TYPE_WRITE;
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out->Reserved = 0;
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}
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}
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id++;
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}
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}
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RegCloseKey(hroot);
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}
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else
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{
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ERR("failed with %d for %s\n", res, debugstr_w(WinNT_CV_PortsW));
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SetLastError(res);
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}
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getports_cleanup:
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*lpreturned = numentries;
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TRACE("need %d byte for %d entries (%d)\n", needed, numentries, GetLastError());
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return needed;
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}
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/*****************************************************
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* localmon_ConfigurePortW [exported through MONITOREX]
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*
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* Display the Configuration-Dialog for a specific Port
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*
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* PARAMS
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* pName [I] Servername or NULL (local Computer)
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* hWnd [I] Handle to parent Window for the Dialog-Box
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* pPortName [I] Name of the Port, that should be configured
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*
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*/
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BOOL WINAPI localmon_ConfigurePortW(LPWSTR pName, HWND hWnd, LPWSTR pPortName)
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{
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TRACE("(%s, %p, %s)\n", debugstr_w(pName), hWnd, debugstr_w(pPortName));
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/* ToDo: Dialogs by Portname ("LPTx:", "COMx:") */
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dlg_nothingtoconfig(hWnd);
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return ROUTER_SUCCESS;
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}
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/*****************************************************
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* localmon_DeletePortW [exported through MONITOREX]
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*
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* Delete a specific Port
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*
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* PARAMS
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* pName [I] Servername or NULL (local Computer)
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* hWnd [I] Handle to parent Window
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* pPortName [I] Name of the Port, that should be deleted
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE
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*
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*/
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BOOL WINAPI localmon_DeletePortW(LPWSTR pName, HWND hWnd, LPWSTR pPortName)
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{
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DWORD res;
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HKEY hroot;
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TRACE("(%s, %p, %s)\n", debugstr_w(pName), hWnd, debugstr_w(pPortName));
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if ((!pPortName) || (!pPortName[0])) return FALSE;
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res = RegOpenKeyW(HKEY_LOCAL_MACHINE, WinNT_CV_PortsW, &hroot);
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if (res == ERROR_SUCCESS) {
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res = RegDeleteValueW(hroot, pPortName);
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RegCloseKey(hroot);
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}
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TRACE("=> %d\n", (res == ERROR_SUCCESS));
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return (res == ERROR_SUCCESS);
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}
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/*****************************************************
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* localmon_EnumPortsW [exported through MONITOREX]
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*
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* Enumerate all local Ports
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*
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* PARAMS
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* pName [I] Servername (ignored)
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* level [I] Structure-Level (1 or 2)
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* pPorts [O] PTR to Buffer that receives the Result
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* cbBuf [I] Size of Buffer at pPorts
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* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pPorts
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* pcReturned [O] PTR to DWORD that receives the number of Ports in pPorts
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*
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* RETURNS
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* Success: TRUE
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* Failure: FALSE and in pcbNeeded the Bytes required for pPorts, if cbBuf is too small
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*
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* NOTES
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*| Windows ignores pName
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*| Windows crash the app, when pPorts, pcbNeeded or pcReturned are NULL
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*| Windows >NT4.0 does not check for illegal levels (TRUE is returned)
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*
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* ToDo
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* "HCU\Software\Wine\Spooler\<portname>" - redirection
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*
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*/
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BOOL WINAPI localmon_EnumPortsW(LPWSTR pName, DWORD level, LPBYTE pPorts,
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DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
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{
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BOOL res = FALSE;
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DWORD needed;
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DWORD numentries;
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TRACE("(%s, %d, %p, %d, %p, %p)\n",
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debugstr_w(pName), level, pPorts, cbBuf, pcbNeeded, pcReturned);
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numentries = 0;
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needed = get_ports_from_reg(level, NULL, 0, &numentries);
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/* we calculated the needed buffersize. now do the error-checks */
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if (cbBuf < needed) {
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SetLastError(ERROR_INSUFFICIENT_BUFFER);
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goto cleanup;
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}
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/* fill the buffer with the Port-Names */
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needed = get_ports_from_reg(level, pPorts, cbBuf, &numentries);
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res = TRUE;
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if (pcReturned) *pcReturned = numentries;
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cleanup:
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if (pcbNeeded) *pcbNeeded = needed;
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TRACE("returning %d with %d (%d byte for %d entries)\n",
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res, GetLastError(), needed, numentries);
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return (res);
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}
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/*****************************************************
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* InitializePrintMonitor (LOCALSPL.@)
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*
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* Initialize the Monitor for the Local Ports
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*
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* PARAMS
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* regroot [I] Registry-Path, where the settings are stored
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*
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* RETURNS
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* Success: Pointer to a MONITOREX Structure
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* Failure: NULL
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*
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* NOTES
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* The fixed location "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Ports"
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* is used to store the Ports (IniFileMapping from "win.ini", Section "Ports").
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* Native localspl.dll fails, when no valid Port-Entry is present.
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*
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*/
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LPMONITOREX WINAPI InitializePrintMonitor(LPWSTR regroot)
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{
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static MONITOREX mymonitorex =
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{
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sizeof(MONITOREX) - sizeof(DWORD),
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{
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localmon_EnumPortsW,
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NULL, /* localmon_OpenPortW */
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NULL, /* localmon_OpenPortExW */
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NULL, /* localmon_StartDocPortW */
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NULL, /* localmon_WritePortW */
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NULL, /* localmon_ReadPortW */
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NULL, /* localmon_EndDocPortW */
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NULL, /* localmon_ClosePortW */
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NULL, /* localmon_AddPortW */
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NULL, /* localmon_AddPortExW */
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localmon_ConfigurePortW,
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localmon_DeletePortW
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}
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};
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TRACE("(%s)\n", debugstr_w(regroot));
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/* Parameter "regroot" is ignored on NT4.0 (localmon.dll) */
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if (!regroot || !regroot[0]) {
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SetLastError(ERROR_INVALID_PARAMETER);
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return NULL;
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}
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TRACE("=> %p\n", &mymonitorex);
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/* Native windows returns always the same pointer on success */
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return &mymonitorex;
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}
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