Sweden-Number/dlls/localspl/localmon.c

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/*
* Implementation of the Local Printmonitor
*
* Copyright 2006 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 COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winreg.h"
#include "winver.h"
#include "winnls.h"
#include "winspool.h"
#include "ddk/winsplp.h"
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#include "localspl_private.h"
#include "wine/debug.h"
#include "wine/list.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(localspl);
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/*****************************************************/
static CRITICAL_SECTION xcv_handles_cs;
static CRITICAL_SECTION_DEBUG xcv_handles_cs_debug =
{
0, 0, &xcv_handles_cs,
{ &xcv_handles_cs_debug.ProcessLocksList, &xcv_handles_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": xcv_handles_cs") }
};
static CRITICAL_SECTION xcv_handles_cs = { &xcv_handles_cs_debug, -1, 0, 0, 0, 0 };
/* ############################### */
typedef struct {
struct list entry;
ACCESS_MASK GrantedAccess;
WCHAR nameW[1];
} xcv_t;
static struct list xcv_handles = LIST_INIT( xcv_handles );
/* ############################### */
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static const WCHAR cmd_MonitorUIW[] = {'M','o','n','i','t','o','r','U','I',0};
static const WCHAR cmd_PortIsValidW[] = {'P','o','r','t','I','s','V','a','l','i','d',0};
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static const WCHAR dllnameuiW[] = {'l','o','c','a','l','u','i','.','d','l','l',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};
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static const WCHAR WinNT_CV_PortsW[] = {'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'P','o','r','t','s',0};
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/******************************************************************
* 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(LOCALSPL_hInstance, IDS_LOCALPORT, res_PortW, IDS_LOCALPORT_MAXLEN);
LoadStringW(LOCALSPL_hInstance, IDS_NOTHINGTOCONFIG, res_nothingW, IDS_NOTHINGTOCONFIG_MAXLEN);
MessageBoxW(hWnd, res_nothingW, res_PortW, MB_OK | MB_ICONINFORMATION);
}
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/******************************************************************
* enumerate the local Ports from the Registry (internal)
*
* See localmon_EnumPortsW.
*
* NOTES
* returns the needed size (in bytes) for pPorts
* and *lpreturned is set to number of entries returned in pPorts
*
*/
static DWORD get_ports_from_reg(DWORD level, LPBYTE pPorts, DWORD cbBuf, LPDWORD lpreturned)
{
HKEY hroot = 0;
LPWSTR ptr;
LPPORT_INFO_2W out;
WCHAR portname[MAX_PATH];
WCHAR res_PortW[IDS_LOCALPORT_MAXLEN];
WCHAR res_MonitorW[IDS_LOCALMONITOR_MAXLEN];
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INT reslen_PortW;
INT reslen_MonitorW;
DWORD len;
DWORD res;
DWORD needed = 0;
DWORD numentries;
DWORD entrysize;
DWORD id = 0;
TRACE("(%d, %p, %d, %p)\n", level, pPorts, cbBuf, lpreturned);
entrysize = (level == 1) ? sizeof(PORT_INFO_1W) : sizeof(PORT_INFO_2W);
numentries = *lpreturned; /* this is 0, when we scan the registry */
needed = entrysize * numentries;
ptr = (LPWSTR) &pPorts[needed];
if (needed > cbBuf) pPorts = NULL; /* No buffer for the structs */
numentries = 0;
needed = 0;
/* we do not check more parameters as done in windows */
if ((level < 1) || (level > 2)) {
goto getports_cleanup;
}
/* "+1" for '\0' */
reslen_MonitorW = LoadStringW(LOCALSPL_hInstance, IDS_LOCALMONITOR, res_MonitorW, IDS_LOCALMONITOR_MAXLEN) + 1;
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);
if (res == ERROR_SUCCESS) {
/* Scan all Port-Names */
while (res == ERROR_SUCCESS) {
len = MAX_PATH;
portname[0] = '\0';
res = RegEnumValueW(hroot, id, portname, &len, NULL, NULL, NULL, NULL);
if ((res == ERROR_SUCCESS) && (portname[0])) {
numentries++;
/* calsulate the required size */
needed += entrysize;
needed += (len + 1) * sizeof(WCHAR);
if (level > 1) {
needed += (reslen_MonitorW + reslen_PortW) * sizeof(WCHAR);
}
/* Now fill the user-buffer, if available */
if (pPorts && (cbBuf >= needed)){
out = (LPPORT_INFO_2W) pPorts;
pPorts += entrysize;
TRACE("%p: writing PORT_INFO_%dW #%d (%s)\n", out, level, numentries, debugstr_w(portname));
out->pPortName = ptr;
lstrcpyW(ptr, portname); /* Name of the Port */
ptr += (len + 1);
if (level > 1) {
out->pMonitorName = ptr;
lstrcpyW(ptr, res_MonitorW); /* Name of the Monitor */
ptr += reslen_MonitorW;
out->pDescription = ptr;
lstrcpyW(ptr, res_PortW); /* Port Description */
ptr += reslen_PortW;
out->fPortType = PORT_TYPE_WRITE;
out->Reserved = 0;
}
}
id++;
}
}
RegCloseKey(hroot);
}
else
{
ERR("failed with %d for %s\n", res, debugstr_w(WinNT_CV_PortsW));
SetLastError(res);
}
getports_cleanup:
*lpreturned = numentries;
TRACE("need %d byte for %d entries (%d)\n", needed, numentries, GetLastError());
return needed;
}
/*****************************************************
* get_type_from_name (internal)
*
*/
static DWORD get_type_from_name(LPCWSTR name)
{
HANDLE hfile;
if (!strncmpW(name, portname_LPT, sizeof(portname_LPT) / sizeof(WCHAR) -1))
return PORT_IS_LPT;
if (!strncmpW(name, portname_COM, sizeof(portname_COM) / sizeof(WCHAR) -1))
return PORT_IS_COM;
if (!strcmpW(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;
}
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/*****************************************************
* localmon_ConfigurePortW [exported through MONITOREX]
*
* 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
* pPortName [I] Name of the Port, that should be configured
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
*/
BOOL WINAPI localmon_ConfigurePortW(LPWSTR pName, HWND hWnd, LPWSTR pPortName)
{
TRACE("(%s, %p, %s)\n", debugstr_w(pName), hWnd, debugstr_w(pPortName));
/* ToDo: Dialogs by Portname ("LPTx:", "COMx:") */
dlg_nothingtoconfig(hWnd);
return ROUTER_SUCCESS;
}
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/*****************************************************
* localmon_DeletePortW [exported through MONITOREX]
*
* 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
*
*/
BOOL WINAPI localmon_DeletePortW(LPWSTR pName, HWND hWnd, LPWSTR pPortName)
{
DWORD res;
HKEY hroot;
TRACE("(%s, %p, %s)\n", debugstr_w(pName), hWnd, debugstr_w(pPortName));
if ((!pPortName) || (!pPortName[0])) return FALSE;
res = RegOpenKeyW(HKEY_LOCAL_MACHINE, WinNT_CV_PortsW, &hroot);
if (res == ERROR_SUCCESS) {
res = RegDeleteValueW(hroot, pPortName);
RegCloseKey(hroot);
}
TRACE("=> %d\n", (res == ERROR_SUCCESS));
return (res == ERROR_SUCCESS);
}
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/*****************************************************
* localmon_EnumPortsW [exported through MONITOREX]
*
* Enumerate all local Ports
*
* PARAMS
* pName [I] Servername (ignored)
* level [I] Structure-Level (1 or 2)
* pPorts [O] PTR to Buffer that receives the Result
* cbBuf [I] Size of Buffer at pPorts
* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pPorts
* pcReturned [O] PTR to DWORD that receives the number of Ports in pPorts
*
* RETURNS
* Success: TRUE
* Failure: FALSE and in pcbNeeded the Bytes required for pPorts, if cbBuf is too small
*
* NOTES
*| Windows ignores pName
*| Windows crash the app, when pPorts, pcbNeeded or pcReturned are NULL
*| Windows >NT4.0 does not check for illegal levels (TRUE is returned)
*
* ToDo
* "HCU\Software\Wine\Spooler\<portname>" - redirection
*
*/
BOOL WINAPI localmon_EnumPortsW(LPWSTR pName, DWORD level, LPBYTE pPorts,
DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
{
BOOL res = FALSE;
DWORD needed;
DWORD numentries;
TRACE("(%s, %d, %p, %d, %p, %p)\n",
debugstr_w(pName), level, pPorts, cbBuf, pcbNeeded, pcReturned);
numentries = 0;
needed = get_ports_from_reg(level, NULL, 0, &numentries);
/* we calculated the needed buffersize. now do the error-checks */
if (cbBuf < needed) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
goto cleanup;
}
/* fill the buffer with the Port-Names */
needed = get_ports_from_reg(level, pPorts, cbBuf, &numentries);
res = TRUE;
if (pcReturned) *pcReturned = numentries;
cleanup:
if (pcbNeeded) *pcbNeeded = needed;
TRACE("returning %d with %d (%d byte for %d entries)\n",
res, GetLastError(), needed, numentries);
return (res);
}
/*****************************************************
* localmon_XcvClosePort [exported through MONITOREX]
*
* Close a Communication-Channel
*
* PARAMS
* hXcv [i] The Handle to close
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
*/
BOOL WINAPI localmon_XcvClosePort(HANDLE hXcv)
{
xcv_t * xcv = (xcv_t *) hXcv;
TRACE("(%p)\n", xcv);
/* No checks are done in Windows */
EnterCriticalSection(&xcv_handles_cs);
list_remove(&xcv->entry);
LeaveCriticalSection(&xcv_handles_cs);
spl_free(xcv);
return TRUE;
}
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/*****************************************************
* localmon_XcvDataPort [exported through MONITOREX]
*
* Execute command through a Communication-Channel
*
* PARAMS
* hXcv [i] The Handle to work with
* pszDataName [i] Name of the command to execute
* pInputData [i] Buffer for extra Input Data (needed only for some commands)
* cbInputData [i] Size in Bytes of Buffer at pInputData
* pOutputData [o] Buffer to receive additional Data (needed only for some commands)
* cbOutputData [i] Size in Bytes of Buffer at pOutputData
* pcbOutputNeeded [o] PTR to receive the minimal Size in Bytes of the Buffer at pOutputData
*
* RETURNS
* Success: ERROR_SUCCESS
* Failure: win32 error code (same value is returned by GetLastError)
*
* NOTES
*
* Minimal List of commands, that every Printmonitor DLL should support:
*
*| "MonitorUI" : Return the Name of the Userinterface-DLL as WSTR in pOutputData
*| "AddPort" : Add a Port (Name as WSTR in pInputData)
*| "DeletePort": Delete a Port (Name as WSTR in pInputData)
*
*
*/
DWORD WINAPI localmon_XcvDataPort(HANDLE hXcv, LPCWSTR pszDataName, PBYTE pInputData, DWORD cbInputData,
PBYTE pOutputData, DWORD cbOutputData, PDWORD pcbOutputNeeded)
{
DWORD res;
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TRACE("(%p, %s, %p, %d, %p, %d, %p)\n", hXcv, debugstr_w(pszDataName),
pInputData, cbInputData, pOutputData, cbOutputData, pcbOutputNeeded);
if (!lstrcmpW(pszDataName, cmd_MonitorUIW)) {
* pcbOutputNeeded = sizeof(dllnameuiW);
if (cbOutputData >= sizeof(dllnameuiW)) {
memcpy(pOutputData, dllnameuiW, sizeof(dllnameuiW));
return ERROR_SUCCESS;
}
return ERROR_INSUFFICIENT_BUFFER;
}
if (!lstrcmpW(pszDataName, cmd_PortIsValidW)) {
TRACE("InputData (%d): %s\n", cbInputData, debugstr_w( (LPWSTR) pInputData));
res = get_type_from_name((LPCWSTR) pInputData);
TRACE("detected as %u\n", res);
/* names, that we have recognized, are valid */
if (res) return ERROR_SUCCESS;
/* ERROR_ACCESS_DENIED, ERROR_PATH_NOT_FOUND ore something else */
return GetLastError();
}
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FIXME("command not supported: %s\n", debugstr_w(pszDataName));
return ERROR_INVALID_PARAMETER;
}
/*****************************************************
* localmon_XcvOpenPort [exported through MONITOREX]
*
* Open a Communication-Channel
*
* PARAMS
* pName [i] Name of selected Object
* GrantedAccess [i] Access-Rights to use
* phXcv [o] The resulting Handle is stored here
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
*/
BOOL WINAPI localmon_XcvOpenPort(LPCWSTR pName, ACCESS_MASK GrantedAccess, PHANDLE phXcv)
{
DWORD len;
xcv_t * xcv;
TRACE("%s, 0x%x, %p)\n", debugstr_w(pName), GrantedAccess, phXcv);
/* No checks for any field is done in Windows */
len = (lstrlenW(pName) + 1) * sizeof(WCHAR);
xcv = spl_alloc( sizeof(xcv_t) + len);
if (xcv) {
xcv->GrantedAccess = GrantedAccess;
memcpy(&xcv->nameW, pName, len);
*phXcv = (HANDLE) xcv;
EnterCriticalSection(&xcv_handles_cs);
list_add_tail(&xcv_handles, &xcv->entry);
LeaveCriticalSection(&xcv_handles_cs);
TRACE("=> %p\n", xcv);
return TRUE;
}
else
{
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*phXcv = NULL;
return FALSE;
}
}
/*****************************************************
* InitializePrintMonitor (LOCALSPL.@)
*
* Initialize the Monitor for the Local Ports
*
* PARAMS
* regroot [I] Registry-Path, where the settings are stored
*
* RETURNS
* Success: Pointer to a MONITOREX Structure
* Failure: NULL
*
* NOTES
* The fixed location "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Ports"
* is used to store the Ports (IniFileMapping from "win.ini", Section "Ports").
* Native localspl.dll fails, when no valid Port-Entry is present.
*
*/
LPMONITOREX WINAPI InitializePrintMonitor(LPWSTR regroot)
{
static MONITOREX mymonitorex =
{
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sizeof(MONITOREX) - sizeof(DWORD),
{
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localmon_EnumPortsW,
NULL, /* localmon_OpenPortW */
NULL, /* localmon_OpenPortExW */
NULL, /* localmon_StartDocPortW */
NULL, /* localmon_WritePortW */
NULL, /* localmon_ReadPortW */
NULL, /* localmon_EndDocPortW */
NULL, /* localmon_ClosePortW */
NULL, /* localmon_AddPortW */
NULL, /* localmon_AddPortExW */
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localmon_ConfigurePortW,
localmon_DeletePortW,
NULL, /* localmon_GetPrinterDataFromPort */
NULL, /* localmon_SetPortTimeOuts */
localmon_XcvOpenPort,
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localmon_XcvDataPort,
localmon_XcvClosePort
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}
};
TRACE("(%s)\n", debugstr_w(regroot));
/* Parameter "regroot" is ignored on NT4.0 (localmon.dll) */
if (!regroot || !regroot[0]) {
SetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
TRACE("=> %p\n", &mymonitorex);
/* Native windows returns always the same pointer on success */
return &mymonitorex;
}