dlls/spoolss/router.c

   1 /*
   2  * Routing for Spooler-Service helper DLL
   3  *
   4  * Copyright 2006-2009 Detlef Riekenberg
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winerror.h"
  26 #include "winreg.h"
  27
  28 #include "wingdi.h"
  29 #include "winspool.h"
  30 #include "ddk/winsplp.h"
  31 #include "spoolss.h"
  32
  33 #include "wine/debug.h"
  34 #include "wine/heap.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(spoolss);
  37
  38 /* ################################ */
  39
  40 #define MAX_BACKEND 3
  41
  42 typedef struct {
  43     /* PRINTPROVIDOR functions */
  44     DWORD  (WINAPI *fpOpenPrinter)(LPWSTR, HANDLE *, LPPRINTER_DEFAULTSW);
  45     DWORD  (WINAPI *fpSetJob)(HANDLE, DWORD, DWORD, LPBYTE, DWORD);
  46     DWORD  (WINAPI *fpGetJob)(HANDLE, DWORD, DWORD, LPBYTE, DWORD, LPDWORD);
  47     DWORD  (WINAPI *fpEnumJobs)(HANDLE, DWORD, DWORD, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
  48     HANDLE (WINAPI *fpAddPrinter)(LPWSTR, DWORD, LPBYTE);
  49     DWORD  (WINAPI *fpDeletePrinter)(HANDLE);
  50     DWORD  (WINAPI *fpSetPrinter)(HANDLE, DWORD, LPBYTE, DWORD);
  51     DWORD  (WINAPI *fpGetPrinter)(HANDLE, DWORD, LPBYTE, DWORD, LPDWORD);
  52     DWORD  (WINAPI *fpEnumPrinters)(DWORD, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
  53     DWORD  (WINAPI *fpAddPrinterDriver)(LPWSTR, DWORD, LPBYTE);
  54     DWORD  (WINAPI *fpEnumPrinterDrivers)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
  55     DWORD  (WINAPI *fpGetPrinterDriver)(HANDLE, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD);
  56     DWORD  (WINAPI *fpGetPrinterDriverDirectory)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD);
  57     DWORD  (WINAPI *fpDeletePrinterDriver)(LPWSTR, LPWSTR, LPWSTR);
  58     DWORD  (WINAPI *fpAddPrintProcessor)(LPWSTR, LPWSTR, LPWSTR, LPWSTR);
  59     DWORD  (WINAPI *fpEnumPrintProcessors)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
  60     DWORD  (WINAPI *fpGetPrintProcessorDirectory)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD);
  61     DWORD  (WINAPI *fpDeletePrintProcessor)(LPWSTR, LPWSTR, LPWSTR);
  62     DWORD  (WINAPI *fpEnumPrintProcessorDatatypes)(LPWSTR, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
  63     DWORD  (WINAPI *fpStartDocPrinter)(HANDLE, DWORD, LPBYTE);
  64     DWORD  (WINAPI *fpStartPagePrinter)(HANDLE);
  65     DWORD  (WINAPI *fpWritePrinter)(HANDLE, LPVOID, DWORD, LPDWORD);
  66     DWORD  (WINAPI *fpEndPagePrinter)(HANDLE);
  67     DWORD  (WINAPI *fpAbortPrinter)(HANDLE);
  68     DWORD  (WINAPI *fpReadPrinter)(HANDLE, LPVOID, DWORD, LPDWORD);
  69     DWORD  (WINAPI *fpEndDocPrinter)(HANDLE);
  70     DWORD  (WINAPI *fpAddJob)(HANDLE, DWORD, LPBYTE, DWORD, LPDWORD);
  71     DWORD  (WINAPI *fpScheduleJob)(HANDLE, DWORD);
  72     DWORD  (WINAPI *fpGetPrinterData)(HANDLE, LPWSTR, LPDWORD, LPBYTE, DWORD, LPDWORD);
  73     DWORD  (WINAPI *fpSetPrinterData)(HANDLE, LPWSTR, DWORD, LPBYTE, DWORD);
  74     DWORD  (WINAPI *fpWaitForPrinterChange)(HANDLE, DWORD);
  75     DWORD  (WINAPI *fpClosePrinter)(HANDLE);
  76     DWORD  (WINAPI *fpAddForm)(HANDLE, DWORD, LPBYTE);
  77     DWORD  (WINAPI *fpDeleteForm)(HANDLE, LPWSTR);
  78     DWORD  (WINAPI *fpGetForm)(HANDLE, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD);
  79     DWORD  (WINAPI *fpSetForm)(HANDLE, LPWSTR, DWORD, LPBYTE);
  80     DWORD  (WINAPI *fpEnumForms)(HANDLE, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
  81     DWORD  (WINAPI *fpEnumMonitors)(LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
  82     DWORD  (WINAPI *fpEnumPorts)(LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, LPDWORD);
  83     DWORD  (WINAPI *fpAddPort)(LPWSTR, HWND, LPWSTR);
  84     DWORD  (WINAPI *fpConfigurePort)(LPWSTR, HWND, LPWSTR);
  85     DWORD  (WINAPI *fpDeletePort)(LPWSTR, HWND, LPWSTR);
  86     HANDLE (WINAPI *fpCreatePrinterIC)(HANDLE, LPDEVMODEW);
  87     DWORD  (WINAPI *fpPlayGdiScriptOnPrinterIC)(HANDLE, LPBYTE, DWORD, LPBYTE, DWORD, DWORD);
  88     DWORD  (WINAPI *fpDeletePrinterIC)(HANDLE);
  89     DWORD  (WINAPI *fpAddPrinterConnection)(LPWSTR);
  90     DWORD  (WINAPI *fpDeletePrinterConnection)(LPWSTR);
  91     DWORD  (WINAPI *fpPrinterMessageBox)(HANDLE, DWORD, HWND, LPWSTR, LPWSTR, DWORD);
  92     DWORD  (WINAPI *fpAddMonitor)(LPWSTR, DWORD, LPBYTE);
  93     DWORD  (WINAPI *fpDeleteMonitor)(LPWSTR, LPWSTR, LPWSTR);
  94     DWORD  (WINAPI *fpResetPrinter)(HANDLE, LPPRINTER_DEFAULTSW);
  95     DWORD  (WINAPI *fpGetPrinterDriverEx)(HANDLE, LPWSTR, DWORD, LPBYTE, DWORD, LPDWORD, DWORD, DWORD, PDWORD, PDWORD);
  96     HANDLE (WINAPI *fpFindFirstPrinterChangeNotification)(HANDLE, DWORD, DWORD, LPVOID);
  97     DWORD  (WINAPI *fpFindClosePrinterChangeNotification)(HANDLE);
  98     DWORD  (WINAPI *fpAddPortEx)(HANDLE, LPWSTR, DWORD, LPBYTE, LPWSTR);
  99     DWORD  (WINAPI *fpShutDown)(LPVOID);
 100     DWORD  (WINAPI *fpRefreshPrinterChangeNotification)(HANDLE, DWORD, PVOID, PVOID);
 101     DWORD  (WINAPI *fpOpenPrinterEx)(LPWSTR, LPHANDLE, LPPRINTER_DEFAULTSW, LPBYTE, DWORD);
 102     HANDLE (WINAPI *fpAddPrinterEx)(LPWSTR, DWORD, LPBYTE, LPBYTE, DWORD);
 103     DWORD  (WINAPI *fpSetPort)(LPWSTR, LPWSTR, DWORD, LPBYTE);
 104     DWORD  (WINAPI *fpEnumPrinterData)(HANDLE, DWORD, LPWSTR, DWORD, LPDWORD, LPDWORD, LPBYTE, DWORD, LPDWORD);
 105     DWORD  (WINAPI *fpDeletePrinterData)(HANDLE, LPWSTR);
 106     DWORD  (WINAPI *fpClusterSplOpen)(LPCWSTR, LPCWSTR, PHANDLE, LPCWSTR, LPCWSTR);
 107     DWORD  (WINAPI *fpClusterSplClose)(HANDLE);
 108     DWORD  (WINAPI *fpClusterSplIsAlive)(HANDLE);
 109     DWORD  (WINAPI *fpSetPrinterDataEx)(HANDLE, LPCWSTR, LPCWSTR, DWORD, LPBYTE, DWORD);
 110     DWORD  (WINAPI *fpGetPrinterDataEx)(HANDLE, LPCWSTR, LPCWSTR, LPDWORD, LPBYTE, DWORD, LPDWORD);
 111     DWORD  (WINAPI *fpEnumPrinterDataEx)(HANDLE, LPCWSTR, LPBYTE, DWORD, LPDWORD, LPDWORD);
 112     DWORD  (WINAPI *fpEnumPrinterKey)(HANDLE, LPCWSTR, LPWSTR, DWORD, LPDWORD);
 113     DWORD  (WINAPI *fpDeletePrinterDataEx)(HANDLE, LPCWSTR, LPCWSTR);
 114     DWORD  (WINAPI *fpDeletePrinterKey)(HANDLE hPrinter, LPCWSTR pKeyName);
 115     DWORD  (WINAPI *fpSeekPrinter)(HANDLE, LARGE_INTEGER, PLARGE_INTEGER, DWORD, BOOL);
 116     DWORD  (WINAPI *fpDeletePrinterDriverEx)(LPWSTR, LPWSTR, LPWSTR, DWORD, DWORD);
 117     DWORD  (WINAPI *fpAddPerMachineConnection)(LPCWSTR, LPCWSTR, LPCWSTR, LPCWSTR);
 118     DWORD  (WINAPI *fpDeletePerMachineConnection)(LPCWSTR, LPCWSTR);
 119     DWORD  (WINAPI *fpEnumPerMachineConnections)(LPCWSTR, LPBYTE, DWORD, LPDWORD, LPDWORD);
 120     DWORD  (WINAPI *fpXcvData)(HANDLE, LPCWSTR, PBYTE, DWORD, PBYTE, DWORD, PDWORD, PDWORD);
 121     DWORD  (WINAPI *fpAddPrinterDriverEx)(LPWSTR, DWORD, LPBYTE, DWORD);
 122     DWORD  (WINAPI *fpSplReadPrinter)(HANDLE, LPBYTE *, DWORD);
 123     DWORD  (WINAPI *fpDriverUnloadComplete)(LPWSTR);
 124     DWORD  (WINAPI *fpGetSpoolFileInfo)(HANDLE, LPWSTR *, LPHANDLE, HANDLE, HANDLE);
 125     DWORD  (WINAPI *fpCommitSpoolData)(HANDLE, DWORD);
 126     DWORD  (WINAPI *fpCloseSpoolFileHandle)(HANDLE);
 127     DWORD  (WINAPI *fpFlushPrinter)(HANDLE, LPBYTE, DWORD, LPDWORD, DWORD);
 128     DWORD  (WINAPI *fpSendRecvBidiData)(HANDLE, LPCWSTR, LPBIDI_REQUEST_CONTAINER, LPBIDI_RESPONSE_CONTAINER *);
 129     DWORD  (WINAPI *fpAddDriverCatalog)(HANDLE, DWORD, VOID *, DWORD);
 130     /* Private Data */
 131     HMODULE dll;
 132     LPWSTR  dllname;
 133     LPWSTR  name;
 134     LPWSTR  regroot;
 135     DWORD   index;
 136 } backend_t;
 137
 138 /* ################################ */
 139
 140 static backend_t *backend[MAX_BACKEND];
 141 static DWORD used_backends = 0;
 142
 143 static CRITICAL_SECTION backend_cs;
 144 static CRITICAL_SECTION_DEBUG backend_cs_debug =
 145 {
 146     0, 0, &backend_cs,
 147     { &backend_cs_debug.ProcessLocksList, &backend_cs_debug.ProcessLocksList },
 148       0, 0, { (DWORD_PTR)(__FILE__ ": backend_cs") }
 149 };
 150 static CRITICAL_SECTION backend_cs = { &backend_cs_debug, -1, 0, 0, 0, 0 };
 151
 152 /* ################################ */
 153
 154 static WCHAR localsplW[] = {'l','o','c','a','l','s','p','l','.','d','l','l',0};
 155
 156 /******************************************************************
 157  * strdupW [internal]
 158  *
 159  * create a copy of a unicode-string
 160  *
 161  */
 162
 163 static LPWSTR strdupW(LPCWSTR p)
 164 {
 165     LPWSTR ret;
 166     DWORD len;
 167
 168     if(!p) return NULL;
 169     len = (lstrlenW(p) + 1) * sizeof(WCHAR);
 170     ret = heap_alloc(len);
 171     memcpy(ret, p, len);
 172     return ret;
 173 }
 174
 175 /******************************************************************
 176  * backend_unload_all [internal]
 177  *
 178  * unload all backends
 179  */
 180 void backend_unload_all(void)
 181 {
 182     EnterCriticalSection(&backend_cs);
 183     while (used_backends > 0) {
 184         used_backends--;
 185         FreeLibrary(backend[used_backends]->dll);
 186         heap_free(backend[used_backends]->dllname);
 187         heap_free(backend[used_backends]->name);
 188         heap_free(backend[used_backends]->regroot);
 189         heap_free(backend[used_backends]);
 190         backend[used_backends] = NULL;
 191     }
 192     LeaveCriticalSection(&backend_cs);
 193 }
 194
 195 /******************************************************************************
 196  * backend_load [internal]
 197  *
 198  * load and init a backend
 199  *
 200  * PARAMS
 201  *  name   [I] Printprovider to use for the backend. NULL for the local print provider
 202  *
 203  * RETURNS
 204  *  Success: PTR to the backend
 205  *  Failure: NULL
 206  *
 207  */
 208 static backend_t * backend_load(LPWSTR dllname, LPWSTR name, LPWSTR regroot)
 209 {
 210
 211     BOOL (WINAPI *pInitializePrintProvidor)(LPPRINTPROVIDOR, DWORD, LPWSTR);
 212     DWORD id;
 213     DWORD res;
 214
 215     TRACE("(%s, %s, %s)\n", debugstr_w(dllname), debugstr_w(name), debugstr_w(regroot));
 216
 217     EnterCriticalSection(&backend_cs);
 218     id = used_backends;
 219
 220     backend[id] = heap_alloc_zero(sizeof(backend_t));
 221     if (!backend[id]) {
 222         LeaveCriticalSection(&backend_cs);
 223         return NULL;
 224     }
 225
 226     backend[id]->dllname = strdupW(dllname);
 227     backend[id]->name = strdupW(name);
 228     backend[id]->regroot = strdupW(regroot);
 229
 230     backend[id]->dll = LoadLibraryW(dllname);
 231     if (backend[id]->dll) {
 232         pInitializePrintProvidor = (void *) GetProcAddress(backend[id]->dll, "InitializePrintProvidor");
 233         if (pInitializePrintProvidor) {
 234
 235             /* native localspl does not clear unused entries */
 236             res = pInitializePrintProvidor((PRINTPROVIDOR *) backend[id], sizeof(PRINTPROVIDOR), regroot);
 237             if (res) {
 238                 used_backends++;
 239                 backend[id]->index = used_backends;
 240                 LeaveCriticalSection(&backend_cs);
 241                 TRACE("--> backend #%d: %p (%s)\n", id, backend[id], debugstr_w(dllname));
 242                 return backend[id];
 243             }
 244         }
 245         FreeLibrary(backend[id]->dll);
 246     }
 247     heap_free(backend[id]->dllname);
 248     heap_free(backend[id]->name);
 249     heap_free(backend[id]->regroot);
 250     heap_free(backend[id]);
 251     backend[id] = NULL;
 252     LeaveCriticalSection(&backend_cs);
 253     WARN("failed to init %s: %u\n", debugstr_w(dllname), GetLastError());
 254     return NULL;
 255 }
 256
 257 /******************************************************************************
 258  * backend_load_all [internal]
 259  *
 260  * load and init all backends
 261  *
 262  * RETURNS
 263  *  Success: TRUE
 264  *  Failure: FALSE
 265  *
 266  */
 267 BOOL backend_load_all(void)
 268 {
 269     static BOOL failed = FALSE;
 270
 271     EnterCriticalSection(&backend_cs);
 272
 273     /* if we failed before, don't try again */
 274     if (!failed && (used_backends == 0)) {
 275         backend_load(localsplW, NULL, NULL);
 276
 277         /* ToDo: parse the registry and load all other backends */
 278
 279         failed = (used_backends == 0);
 280     }
 281     LeaveCriticalSection(&backend_cs);
 282     TRACE("-> %d\n", !failed);
 283     return (!failed);
 284 }
 285
 286 /******************************************************************************
 287  * backend_first [internal]
 288  *
 289  * find the first usable backend
 290  *
 291  * RETURNS
 292  *  Success: PTR to the backend
 293  *  Failure: NULL
 294  *
 295  */
 296 static backend_t * backend_first(LPWSTR name)
 297 {
 298
 299     EnterCriticalSection(&backend_cs);
 300     /* Load all backends, when not done yet */
 301     if (used_backends || backend_load_all()) {
 302
 303         /* test for the local system first */
 304         if (!name || !name[0]) {
 305             LeaveCriticalSection(&backend_cs);
 306             return backend[0];
 307         }
 308     }
 309
 310     FIXME("server %s not supported in %d backends\n", debugstr_w(name), used_backends);
 311     LeaveCriticalSection(&backend_cs);
 312     return NULL;
 313 }
 314
 315 /******************************************************************
 316  * AddMonitorW (spoolss.@)
 317  *
 318  * Install a Printmonitor
 319  *
 320  * PARAMS
 321  *  pName       [I] Servername or NULL (local Computer)
 322  *  Level       [I] Structure-Level (Must be 2)
 323  *  pMonitors   [I] PTR to MONITOR_INFO_2
 324  *
 325  * RETURNS
 326  *  Success: TRUE
 327  *  Failure: FALSE
 328  *
 329  * NOTES
 330  *  All Files for the Monitor must already be copied to %winsysdir% ("%SystemRoot%\system32")
 331  *
 332  */
 333 BOOL WINAPI AddMonitorW(LPWSTR pName, DWORD Level, LPBYTE pMonitors)
 334 {
 335     backend_t * pb;
 336     DWORD res = ROUTER_UNKNOWN;
 337
 338     TRACE("(%s, %d, %p)\n", debugstr_w(pName), Level, pMonitors);
 339
 340     if (Level != 2) {
 341         SetLastError(ERROR_INVALID_LEVEL);
 342         return FALSE;
 343     }
 344
 345     pb = backend_first(pName);
 346     if (pb && pb->fpAddMonitor)
 347         res = pb->fpAddMonitor(pName, Level, pMonitors);
 348     else
 349     {
 350         SetLastError(ERROR_PROC_NOT_FOUND);
 351     }
 352
 353     TRACE("got %u with %u\n", res, GetLastError());
 354     return (res == ROUTER_SUCCESS);
 355 }
 356
 357 /******************************************************************
 358  * AddPrinterDriverExW (spoolss.@)
 359  *
 360  * Install a Printer Driver with the Option to upgrade / downgrade the Files
 361  *
 362  * PARAMS
 363  *  pName           [I] Servername or NULL (local Computer)
 364  *  level           [I] Level for the supplied DRIVER_INFO_*W struct
 365  *  pDriverInfo     [I] PTR to DRIVER_INFO_*W struct with the Driver Parameter
 366  *  dwFileCopyFlags [I] How to Copy / Upgrade / Downgrade the needed Files
 367  *
 368  * RESULTS
 369  *  Success: TRUE
 370  *  Failure: FALSE
 371  *
 372  */
 373 BOOL WINAPI AddPrinterDriverExW(LPWSTR pName, DWORD level, LPBYTE pDriverInfo, DWORD dwFileCopyFlags)
 374 {
 375     backend_t * pb;
 376     DWORD res = ROUTER_UNKNOWN;
 377
 378     TRACE("(%s, %d, %p, 0x%x)\n", debugstr_w(pName), level, pDriverInfo, dwFileCopyFlags);
 379
 380     if (!pDriverInfo) {
 381         SetLastError(ERROR_INVALID_PARAMETER);
 382         return FALSE;
 383     }
 384
 385     pb = backend_first(pName);
 386     if (pb && pb->fpAddPrinterDriverEx)
 387         res = pb->fpAddPrinterDriverEx(pName, level, pDriverInfo, dwFileCopyFlags);
 388     else
 389     {
 390         SetLastError(ERROR_PROC_NOT_FOUND);
 391     }
 392
 393     TRACE("got %u with %u\n", res, GetLastError());
 394     return (res == ROUTER_SUCCESS);
 395 }
 396
 397 /******************************************************************
 398  * DeleteMonitorW (spoolss.@)
 399  *
 400  * Delete a specific Printmonitor from a Printing-Environment
 401  *
 402  * PARAMS
 403  *  pName        [I] Servername or NULL (local Computer)
 404  *  pEnvironment [I] Printing-Environment of the Monitor or NULL (Default)
 405  *  pMonitorName [I] Name of the Monitor, that should be deleted
 406  *
 407  * RETURNS
 408  *  Success: TRUE
 409  *  Failure: FALSE
 410  *
 411  */
 412 BOOL WINAPI DeleteMonitorW(LPWSTR pName, LPWSTR pEnvironment, LPWSTR pMonitorName)
 413 {
 414     backend_t * pb;
 415     DWORD res = ROUTER_UNKNOWN;
 416
 417     TRACE("(%s, %s, %s)\n", debugstr_w(pName), debugstr_w(pEnvironment), debugstr_w(pMonitorName));
 418
 419     pb = backend_first(pName);
 420     if (pb && pb->fpDeleteMonitor)
 421         res = pb->fpDeleteMonitor(pName, pEnvironment, pMonitorName);
 422     else
 423     {
 424         SetLastError(ERROR_PROC_NOT_FOUND);
 425     }
 426
 427     TRACE("got %u with %u\n", res, GetLastError());
 428     return (res == ROUTER_SUCCESS);
 429 }
 430
 431 /******************************************************************
 432  * EnumMonitorsW (spoolss.@)
 433  *
 434  * Enumerate available Port-Monitors
 435  *
 436  * PARAMS
 437  *  pName      [I] Servername or NULL (local Computer)
 438  *  Level      [I] Structure-Level
 439  *  pMonitors  [O] PTR to Buffer that receives the Result
 440  *  cbBuf      [I] Size of Buffer at pMonitors
 441  *  pcbNeeded  [O] PTR to DWORD that receives the size in Bytes used / required for pMonitors
 442  *  pcReturned [O] PTR to DWORD that receives the number of Monitors in pMonitors
 443  *
 444  * RETURNS
 445  *  Success: TRUE
 446  *  Failure: FALSE and in pcbNeeded the Bytes required for pMonitors, if cbBuf is too small
 447  *
 448  */
 449 BOOL WINAPI EnumMonitorsW(LPWSTR pName, DWORD Level, LPBYTE pMonitors, DWORD cbBuf,
 450                           LPDWORD pcbNeeded, LPDWORD pcReturned)
 451 {
 452     backend_t * pb;
 453     DWORD res = ROUTER_UNKNOWN;
 454
 455     TRACE("(%s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), Level, pMonitors,
 456           cbBuf, pcbNeeded, pcReturned);
 457
 458     if (pcbNeeded) *pcbNeeded = 0;
 459     if (pcReturned) *pcReturned = 0;
 460
 461     pb = backend_first(pName);
 462     if (pb && pb->fpEnumMonitors)
 463         res = pb->fpEnumMonitors(pName, Level, pMonitors, cbBuf, pcbNeeded, pcReturned);
 464     else
 465     {
 466         SetLastError(ERROR_PROC_NOT_FOUND);
 467     }
 468
 469     TRACE("got %u with %u (%u byte for %u entries)\n\n", res, GetLastError(),
 470             pcbNeeded ? *pcbNeeded : 0, pcReturned ? *pcReturned : 0);
 471
 472     return (res == ROUTER_SUCCESS);
 473 }
 474
 475 /******************************************************************
 476  * EnumPortsW (spoolss.@)
 477  *
 478  * Enumerate available Ports
 479  *
 480  * PARAMS
 481  *  pName      [I] Servername or NULL (local Computer)
 482  *  Level      [I] Structure-Level (1 or 2)
 483  *  pPorts     [O] PTR to Buffer that receives the Result
 484  *  cbBuf      [I] Size of Buffer at pPorts
 485  *  pcbNeeded  [O] PTR to DWORD that receives the size in Bytes used / required for pPorts
 486  *  pcReturned [O] PTR to DWORD that receives the number of Ports in pPorts
 487  *
 488  * RETURNS
 489  *  Success: TRUE
 490  *  Failure: FALSE and in pcbNeeded the Bytes required for pPorts, if cbBuf is too small
 491  *
 492  */
 493 BOOL WINAPI EnumPortsW(LPWSTR pName, DWORD Level, LPBYTE pPorts, DWORD cbBuf,
 494                        LPDWORD pcbNeeded, LPDWORD pcReturned)
 495 {
 496     backend_t * pb;
 497     DWORD res = ROUTER_UNKNOWN;
 498
 499     TRACE("(%s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), Level, pPorts, cbBuf,
 500             pcbNeeded, pcReturned);
 501
 502     if (pcbNeeded) *pcbNeeded = 0;
 503     if (pcReturned) *pcReturned = 0;
 504
 505     pb = backend_first(pName);
 506     if (pb && pb->fpEnumPorts)
 507         res = pb->fpEnumPorts(pName, Level, pPorts, cbBuf, pcbNeeded, pcReturned);
 508     else
 509     {
 510         SetLastError(ERROR_PROC_NOT_FOUND);
 511     }
 512
 513     TRACE("got %u with %u (%u byte for %u entries)\n", res, GetLastError(),
 514             pcbNeeded ? *pcbNeeded : 0, pcReturned ? *pcReturned : 0);
 515
 516     return (res == ROUTER_SUCCESS);
 517 }
 518
 519 /******************************************************************
 520  * GetPrinterDriverDirectoryW (spoolss.@)
 521  *
 522  * Return the PATH for the Printer-Drivers
 523  *
 524  * PARAMS
 525  *   pName            [I] Servername or NULL (local Computer)
 526  *   pEnvironment     [I] Printing-Environment or NULL (Default)
 527  *   Level            [I] Structure-Level (must be 1)
 528  *   pDriverDirectory [O] PTR to Buffer that receives the Result
 529  *   cbBuf            [I] Size of Buffer at pDriverDirectory
 530  *   pcbNeeded        [O] PTR to DWORD that receives the size in Bytes used /
 531  *                        required for pDriverDirectory
 532  *
 533  * RETURNS
 534  *   Success: TRUE  and in pcbNeeded the Bytes used in pDriverDirectory
 535  *   Failure: FALSE and in pcbNeeded the Bytes required for pDriverDirectory,
 536  *   if cbBuf is too small
 537  *
 538  *   Native Values returned in pDriverDirectory on Success:
 539  *|  NT(Windows NT x86): "%winsysdir%\\spool\\DRIVERS\\w32x86"
 540  *|  NT(Windows x64):    "%winsysdir%\\spool\\DRIVERS\\x64"
 541  *|  NT(Windows 4.0):    "%winsysdir%\\spool\\DRIVERS\\win40"
 542  *|  win9x(Windows 4.0): "%winsysdir%"
 543  *
 544  *   "%winsysdir%" is the Value from GetSystemDirectoryW()
 545  *
 546  */
 547 BOOL WINAPI GetPrinterDriverDirectoryW(LPWSTR pName, LPWSTR pEnvironment,
 548             DWORD Level, LPBYTE pDriverDirectory, DWORD cbBuf, LPDWORD pcbNeeded)
 549 {
 550     backend_t * pb;
 551     DWORD res = ROUTER_UNKNOWN;
 552
 553     TRACE("(%s, %s, %d, %p, %d, %p)\n", debugstr_w(pName),
 554           debugstr_w(pEnvironment), Level, pDriverDirectory, cbBuf, pcbNeeded);
 555
 556     if (pcbNeeded) *pcbNeeded = 0;
 557
 558     pb = backend_first(pName);
 559     if (pb && pb->fpGetPrinterDriverDirectory)
 560         res = pb->fpGetPrinterDriverDirectory(pName, pEnvironment, Level,
 561                                               pDriverDirectory, cbBuf, pcbNeeded);
 562     else
 563     {
 564         SetLastError(ERROR_PROC_NOT_FOUND);
 565     }
 566
 567     TRACE("got %u with %u (%u byte)\n",
 568             res, GetLastError(), pcbNeeded ? *pcbNeeded : 0);
 569
 570     return (res == ROUTER_SUCCESS);
 571
 572 }