VirtualBox

source: vbox/trunk/src/VBox/GuestHost/SharedClipboard/clipboard-transfers.cpp@ 81259

最後變更 在這個檔案從81259是 81259,由 vboxsync 提交於 5 年 前

Shared Clipboard/Transfers: Bugfixes.
  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Author Date Id Revision
檔案大小: 94.0 KB
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1/* $Id: clipboard-transfers.cpp 81259 2019-10-14 13:18:28Z vboxsync $ */
2/** @file
3 * Shared Clipboard: Common Shared Clipboard transfer handling code.
4 */
5
6/*
7 * Copyright (C) 2019 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.alldomusa.eu.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#define LOG_GROUP LOG_GROUP_SHARED_CLIPBOARD
19#include <VBox/log.h>
20
21#include <iprt/dir.h>
22#include <iprt/file.h>
23#include <iprt/list.h>
24#include <iprt/path.h>
25#include <iprt/rand.h>
26#include <iprt/semaphore.h>
27
28#include <VBox/err.h>
29#include <VBox/HostServices/VBoxClipboardSvc.h>
30#include <VBox/GuestHost/SharedClipboard-transfers.h>
31
32
33static int sharedClipboardTransferThreadCreate(PSHCLTRANSFER pTransfer, PFNRTTHREAD pfnThreadFunc, void *pvUser);
34static int sharedClipboardTransferThreadDestroy(PSHCLTRANSFER pTransfer, RTMSINTERVAL uTimeoutMs);
35static PSHCLTRANSFER sharedClipboardTransferCtxGetTransferInternal(PSHCLTRANSFERCTX pTransferCtx, uint32_t uIdx);
36static int sharedClipboardConvertFileCreateFlags(bool fWritable, unsigned fShClFlags, RTFMODE fMode,
37 SHCLOBJHANDLE handleInitial, uint64_t *pfOpen);
38
39/** @todo Split this file up in different modules. */
40
41/**
42 * Allocates a new transfer root list.
43 *
44 * @returns Allocated transfer root list on success, or NULL on failure.
45 */
46PSHCLROOTLIST ShClTransferRootListAlloc(void)
47{
48 PSHCLROOTLIST pRootList = (PSHCLROOTLIST)RTMemAllocZ(sizeof(SHCLROOTLIST));
49
50 return pRootList;
51}
52
53/**
54 * Frees a transfer root list.
55 *
56 * @param pRootList transfer root list to free. The pointer will be
57 * invalid after returning from this function.
58 */
59void ShClTransferRootListFree(PSHCLROOTLIST pRootList)
60{
61 if (!pRootList)
62 return;
63
64 for (uint32_t i = 0; i < pRootList->Hdr.cRoots; i++)
65 ShClTransferListEntryInit(&pRootList->paEntries[i]);
66
67 RTMemFree(pRootList);
68 pRootList = NULL;
69}
70
71/**
72 * Initializes a transfer root list header.
73 *
74 * @returns VBox status code.
75 * @param pRootLstHdr Root list header to initialize.
76 */
77int ShClTransferRootListHdrInit(PSHCLROOTLISTHDR pRootLstHdr)
78{
79 AssertPtrReturn(pRootLstHdr, VERR_INVALID_POINTER);
80
81 RT_BZERO(pRootLstHdr, sizeof(SHCLROOTLISTHDR));
82
83 return VINF_SUCCESS;
84}
85
86/**
87 * Destroys a transfer root list header.
88 *
89 * @param pRootLstHdr Root list header to destroy.
90 */
91void ShClTransferRootListHdrDestroy(PSHCLROOTLISTHDR pRootLstHdr)
92{
93 if (!pRootLstHdr)
94 return;
95
96 pRootLstHdr->fRoots = 0;
97 pRootLstHdr->cRoots = 0;
98}
99
100/**
101 * Duplicates a transfer list header.
102 *
103 * @returns Duplicated transfer list header on success, or NULL on failure.
104 * @param pRootLstHdr Root list header to duplicate.
105 */
106PSHCLROOTLISTHDR ShClTransferRootListHdrDup(PSHCLROOTLISTHDR pRootLstHdr)
107{
108 AssertPtrReturn(pRootLstHdr, NULL);
109
110 int rc = VINF_SUCCESS;
111
112 PSHCLROOTLISTHDR pRootsDup = (PSHCLROOTLISTHDR)RTMemAllocZ(sizeof(SHCLROOTLISTHDR));
113 if (pRootsDup)
114 {
115 *pRootsDup = *pRootLstHdr;
116 }
117 else
118 rc = VERR_NO_MEMORY;
119
120 if (RT_FAILURE(rc))
121 {
122 ShClTransferRootListHdrDestroy(pRootsDup);
123 pRootsDup = NULL;
124 }
125
126 return pRootsDup;
127}
128
129/**
130 * (Deep) Copies a clipboard root list entry structure.
131 *
132 * @returns VBox status code.
133 * @param pDst Where to copy the source root list entry to.
134 * @param pSrc Source root list entry to copy.
135 */
136int ShClTransferRootListEntryCopy(PSHCLROOTLISTENTRY pDst, PSHCLROOTLISTENTRY pSrc)
137{
138 return ShClTransferListEntryCopy(pDst, pSrc);
139}
140
141/**
142 * Initializes a clipboard root list entry structure.
143 *
144 * @param pRootListEntry Clipboard root list entry structure to destroy.
145 */
146int ShClTransferRootListEntryInit(PSHCLROOTLISTENTRY pRootListEntry)
147{
148 return ShClTransferListEntryInit(pRootListEntry);
149}
150
151/**
152 * Destroys a clipboard root list entry structure.
153 *
154 * @param pRootListEntry Clipboard root list entry structure to destroy.
155 */
156void ShClTransferRootListEntryDestroy(PSHCLROOTLISTENTRY pRootListEntry)
157{
158 return ShClTransferListEntryDestroy(pRootListEntry);
159}
160
161/**
162 * Duplicates (allocates) a clipboard root list entry structure.
163 *
164 * @returns Duplicated clipboard root list entry structure on success.
165 * @param pRootListEntry Clipboard root list entry to duplicate.
166 */
167PSHCLROOTLISTENTRY ShClTransferRootListEntryDup(PSHCLROOTLISTENTRY pRootListEntry)
168{
169 return ShClTransferListEntryDup(pRootListEntry);
170}
171
172/**
173 * Initializes an list handle info structure.
174 *
175 * @returns VBox status code.
176 * @param pInfo List handle info structure to initialize.
177 */
178int ShClTransferListHandleInfoInit(PSHCLLISTHANDLEINFO pInfo)
179{
180 AssertPtrReturn(pInfo, VERR_INVALID_POINTER);
181
182 pInfo->hList = SHCLLISTHANDLE_INVALID;
183 pInfo->enmType = SHCLOBJTYPE_INVALID;
184
185 pInfo->pszPathLocalAbs = NULL;
186
187 RT_ZERO(pInfo->u);
188
189 return VINF_SUCCESS;
190}
191
192/**
193 * Destroys a list handle info structure.
194 *
195 * @param pInfo List handle info structure to destroy.
196 */
197void ShClTransferListHandleInfoDestroy(PSHCLLISTHANDLEINFO pInfo)
198{
199 if (!pInfo)
200 return;
201
202 if (pInfo->pszPathLocalAbs)
203 {
204 RTStrFree(pInfo->pszPathLocalAbs);
205 pInfo->pszPathLocalAbs = NULL;
206 }
207}
208
209/**
210 * Allocates a transfer list header structure.
211 *
212 * @returns VBox status code.
213 * @param ppListHdr Where to store the allocated transfer list header structure on success.
214 */
215int ShClTransferListHdrAlloc(PSHCLLISTHDR *ppListHdr)
216{
217 int rc;
218
219 PSHCLLISTHDR pListHdr = (PSHCLLISTHDR)RTMemAllocZ(sizeof(SHCLLISTHDR));
220 if (pListHdr)
221 {
222 *ppListHdr = pListHdr;
223 rc = VINF_SUCCESS;
224 }
225 else
226 rc = VERR_NO_MEMORY;
227
228 LogFlowFuncLeaveRC(rc);
229 return rc;
230}
231
232/**
233 * Frees a transfer list header structure.
234 *
235 * @param pListEntry transfer list header structure to free.
236 */
237void ShClTransferListHdrFree(PSHCLLISTHDR pListHdr)
238{
239 if (!pListHdr)
240 return;
241
242 LogFlowFuncEnter();
243
244 ShClTransferListHdrDestroy(pListHdr);
245
246 RTMemFree(pListHdr);
247 pListHdr = NULL;
248}
249
250/**
251 * Duplicates (allocates) a transfer list header structure.
252 *
253 * @returns Duplicated transfer list header structure on success.
254 * @param pListHdr transfer list header to duplicate.
255 */
256PSHCLLISTHDR SharedClipboardTransferListHdrDup(PSHCLLISTHDR pListHdr)
257{
258 AssertPtrReturn(pListHdr, NULL);
259
260 PSHCLLISTHDR pListHdrDup = (PSHCLLISTHDR)RTMemAlloc(sizeof(SHCLLISTHDR));
261 if (pListHdrDup)
262 {
263 *pListHdrDup = *pListHdr;
264 }
265
266 return pListHdrDup;
267}
268
269/**
270 * Initializes a transfer list header structure.
271 *
272 * @returns VBox status code.
273 * @param pListHdr Transfer list header struct to initialize.
274 */
275int ShClTransferListHdrInit(PSHCLLISTHDR pListHdr)
276{
277 AssertPtrReturn(pListHdr, VERR_INVALID_POINTER);
278
279 LogFlowFuncEnter();
280
281 ShClTransferListHdrReset(pListHdr);
282
283 return VINF_SUCCESS;
284}
285
286/**
287 * Destroys a transfer list header structure.
288 *
289 * @param pListHdr Transfer list header struct to destroy.
290 */
291void ShClTransferListHdrDestroy(PSHCLLISTHDR pListHdr)
292{
293 if (!pListHdr)
294 return;
295
296 LogFlowFuncEnter();
297}
298
299/**
300 * Resets a transfer list header structure.
301 *
302 * @returns VBox status code.
303 * @param pListHdr Transfer list header struct to reset.
304 */
305void ShClTransferListHdrReset(PSHCLLISTHDR pListHdr)
306{
307 AssertPtrReturnVoid(pListHdr);
308
309 LogFlowFuncEnter();
310
311 RT_BZERO(pListHdr, sizeof(SHCLLISTHDR));
312}
313
314/**
315 * Returns whether a given transfer list header is valid or not.
316 *
317 * @returns \c true if valid, \c false if not.
318 * @param pListHdr Transfer list header to validate.
319 */
320bool ShClTransferListHdrIsValid(PSHCLLISTHDR pListHdr)
321{
322 RT_NOREF(pListHdr);
323 return true; /** @todo Implement this. */
324}
325
326int ShClTransferListOpenParmsCopy(PSHCLLISTOPENPARMS pDst, PSHCLLISTOPENPARMS pSrc)
327{
328 AssertPtrReturn(pDst, VERR_INVALID_POINTER);
329 AssertPtrReturn(pSrc, VERR_INVALID_POINTER);
330
331 int rc = VINF_SUCCESS;
332
333 if (pSrc->pszFilter)
334 {
335 pDst->pszFilter = RTStrDup(pSrc->pszFilter);
336 if (!pDst->pszFilter)
337 rc = VERR_NO_MEMORY;
338 }
339
340 if ( RT_SUCCESS(rc)
341 && pSrc->pszPath)
342 {
343 pDst->pszPath = RTStrDup(pSrc->pszPath);
344 if (!pDst->pszPath)
345 rc = VERR_NO_MEMORY;
346 }
347
348 if (RT_SUCCESS(rc))
349 {
350 pDst->fList = pDst->fList;
351 pDst->cbFilter = pSrc->cbFilter;
352 pDst->cbPath = pSrc->cbPath;
353 }
354
355 return rc;
356}
357
358/**
359 * Duplicates a transfer list open parameters structure.
360 *
361 * @returns Duplicated transfer list open parameters structure on success, or NULL on failure.
362 * @param pParms transfer list open parameters structure to duplicate.
363 */
364PSHCLLISTOPENPARMS ShClTransferListOpenParmsDup(PSHCLLISTOPENPARMS pParms)
365{
366 AssertPtrReturn(pParms, NULL);
367
368 PSHCLLISTOPENPARMS pParmsDup = (PSHCLLISTOPENPARMS)RTMemAllocZ(sizeof(SHCLLISTOPENPARMS));
369 if (!pParmsDup)
370 return NULL;
371
372 int rc = ShClTransferListOpenParmsCopy(pParmsDup, pParms);
373 if (RT_FAILURE(rc))
374 {
375 ShClTransferListOpenParmsDestroy(pParmsDup);
376
377 RTMemFree(pParmsDup);
378 pParmsDup = NULL;
379 }
380
381 return pParmsDup;
382}
383
384/**
385 * Initializes a transfer list open parameters structure.
386 *
387 * @returns VBox status code.
388 * @param pParms transfer list open parameters structure to initialize.
389 */
390int ShClTransferListOpenParmsInit(PSHCLLISTOPENPARMS pParms)
391{
392 AssertPtrReturn(pParms, VERR_INVALID_POINTER);
393
394 RT_BZERO(pParms, sizeof(SHCLLISTOPENPARMS));
395
396 pParms->cbFilter = 64; /** @todo Make this dynamic. */
397 pParms->pszFilter = RTStrAlloc(pParms->cbFilter);
398
399 pParms->cbPath = RTPATH_MAX;
400 pParms->pszPath = RTStrAlloc(pParms->cbPath);
401
402 LogFlowFuncLeave();
403 return VINF_SUCCESS;
404}
405
406/**
407 * Destroys a transfer list open parameters structure.
408 *
409 * @param pParms transfer list open parameters structure to destroy.
410 */
411void ShClTransferListOpenParmsDestroy(PSHCLLISTOPENPARMS pParms)
412{
413 if (!pParms)
414 return;
415
416 if (pParms->pszFilter)
417 {
418 RTStrFree(pParms->pszFilter);
419 pParms->pszFilter = NULL;
420 }
421
422 if (pParms->pszPath)
423 {
424 RTStrFree(pParms->pszPath);
425 pParms->pszPath = NULL;
426 }
427}
428
429/**
430 * Creates (allocates) and initializes a clipboard list entry structure.
431 *
432 * @param ppDirData Where to return the created clipboard list entry structure on success.
433 */
434int ShClTransferListEntryAlloc(PSHCLLISTENTRY *ppListEntry)
435{
436 PSHCLLISTENTRY pListEntry = (PSHCLLISTENTRY)RTMemAlloc(sizeof(SHCLLISTENTRY));
437 if (!pListEntry)
438 return VERR_NO_MEMORY;
439
440 int rc = ShClTransferListEntryInit(pListEntry);
441 if (RT_SUCCESS(rc))
442 *ppListEntry = pListEntry;
443
444 return rc;
445}
446
447/**
448 * Frees a clipboard list entry structure.
449 *
450 * @param pListEntry Clipboard list entry structure to free.
451 */
452void ShClTransferListEntryFree(PSHCLLISTENTRY pListEntry)
453{
454 if (!pListEntry)
455 return;
456
457 ShClTransferListEntryDestroy(pListEntry);
458 RTMemFree(pListEntry);
459}
460
461/**
462 * (Deep) Copies a clipboard list entry structure.
463 *
464 * @returns VBox status code.
465 * @param pListEntry Clipboard list entry to copy.
466 */
467int ShClTransferListEntryCopy(PSHCLLISTENTRY pDst, PSHCLLISTENTRY pSrc)
468{
469 AssertPtrReturn(pDst, VERR_INVALID_POINTER);
470 AssertPtrReturn(pSrc, VERR_INVALID_POINTER);
471
472 int rc = VINF_SUCCESS;
473
474 *pDst = *pSrc;
475
476 if (pSrc->pszName)
477 {
478 pDst->pszName = RTStrDup(pSrc->pszName);
479 if (!pDst->pszName)
480 rc = VERR_NO_MEMORY;
481 }
482
483 if ( RT_SUCCESS(rc)
484 && pSrc->pvInfo)
485 {
486 pDst->pvInfo = RTMemDup(pSrc->pvInfo, pSrc->cbInfo);
487 if (pDst->pvInfo)
488 {
489 pDst->cbInfo = pSrc->cbInfo;
490 }
491 else
492 rc = VERR_NO_MEMORY;
493 }
494
495 if (RT_FAILURE(rc))
496 {
497 if (pDst->pvInfo)
498 {
499 RTMemFree(pDst->pvInfo);
500 pDst->pvInfo = NULL;
501 pDst->cbInfo = 0;
502 }
503 }
504
505 return rc;
506}
507
508/**
509 * Duplicates (allocates) a clipboard list entry structure.
510 *
511 * @returns Duplicated clipboard list entry structure on success.
512 * @param pListEntry Clipboard list entry to duplicate.
513 */
514PSHCLLISTENTRY ShClTransferListEntryDup(PSHCLLISTENTRY pListEntry)
515{
516 AssertPtrReturn(pListEntry, NULL);
517
518 int rc = VINF_SUCCESS;
519
520 PSHCLLISTENTRY pListEntryDup = (PSHCLLISTENTRY)RTMemAllocZ(sizeof(SHCLLISTENTRY));
521 if (pListEntryDup)
522 rc = ShClTransferListEntryCopy(pListEntryDup, pListEntry);
523
524 if (RT_FAILURE(rc))
525 {
526 ShClTransferListEntryDestroy(pListEntryDup);
527
528 RTMemFree(pListEntryDup);
529 pListEntryDup = NULL;
530 }
531
532 return pListEntryDup;
533}
534
535/**
536 * Initializes a clipboard list entry structure.
537 *
538 * @returns VBox status code.
539 * @param pListEntry Clipboard list entry structure to initialize.
540 */
541int ShClTransferListEntryInit(PSHCLLISTENTRY pListEntry)
542{
543 RT_BZERO(pListEntry, sizeof(SHCLLISTENTRY));
544
545 pListEntry->pszName = RTStrAlloc(SHCLLISTENTRY_MAX_NAME);
546 if (!pListEntry->pszName)
547 return VERR_NO_MEMORY;
548
549 pListEntry->cbName = SHCLLISTENTRY_MAX_NAME;
550
551 pListEntry->pvInfo = (PSHCLFSOBJINFO)RTMemAlloc(sizeof(SHCLFSOBJINFO));
552 if (pListEntry->pvInfo)
553 {
554 pListEntry->cbInfo = sizeof(SHCLFSOBJINFO);
555 pListEntry->fInfo = VBOX_SHCL_INFO_FLAG_FSOBJINFO;
556
557 return VINF_SUCCESS;
558 }
559
560 return VERR_NO_MEMORY;
561}
562
563/**
564 * Destroys a clipboard list entry structure.
565 *
566 * @param pListEntry Clipboard list entry structure to destroy.
567 */
568void ShClTransferListEntryDestroy(PSHCLLISTENTRY pListEntry)
569{
570 if (!pListEntry)
571 return;
572
573 if (pListEntry->pszName)
574 {
575 RTStrFree(pListEntry->pszName);
576
577 pListEntry->pszName = NULL;
578 pListEntry->cbName = 0;
579 }
580
581 if (pListEntry->pvInfo)
582 {
583 RTMemFree(pListEntry->pvInfo);
584 pListEntry->pvInfo = NULL;
585 pListEntry->cbInfo = 0;
586 }
587}
588
589/**
590 * Returns whether a given clipboard data chunk is valid or not.
591 *
592 * @returns \c true if valid, \c false if not.
593 * @param pListEntry Clipboard data chunk to validate.
594 */
595bool ShClTransferListEntryIsValid(PSHCLLISTENTRY pListEntry)
596{
597 RT_NOREF(pListEntry);
598
599 /** @todo Verify checksum. */
600
601 return true; /** @todo Implement this. */
602}
603
604/**
605 * Initializes a transfer object context.
606 *
607 * @returns VBox status code.
608 * @param pObjCtx transfer object context to initialize.
609 */
610int ShClTransferObjCtxInit(PSHCLCLIENTTRANSFEROBJCTX pObjCtx)
611{
612 AssertPtrReturn(pObjCtx, VERR_INVALID_POINTER);
613
614 LogFlowFuncEnter();
615
616 pObjCtx->uHandle = SHCLOBJHANDLE_INVALID;
617
618 return VINF_SUCCESS;
619}
620
621/**
622 * Destroys a transfer object context.
623 *
624 * @param pObjCtx transfer object context to destroy.
625 */
626void ShClTransferObjCtxDestroy(PSHCLCLIENTTRANSFEROBJCTX pObjCtx)
627{
628 AssertPtrReturnVoid(pObjCtx);
629
630 LogFlowFuncEnter();
631}
632
633/**
634 * Returns if a transfer object context is valid or not.
635 *
636 * @returns \c true if valid, \c false if not.
637 * @param pObjCtx transfer object context to check.
638 */
639bool SharedClipboardTransferObjCtxIsValid(PSHCLCLIENTTRANSFEROBJCTX pObjCtx)
640{
641 return ( pObjCtx
642 && pObjCtx->uHandle != SHCLOBJHANDLE_INVALID);
643}
644
645/**
646 * Initializes an object handle info structure.
647 *
648 * @returns VBox status code.
649 * @param pInfo Object handle info structure to initialize.
650 */
651int ShClTransferObjHandleInfoInit(PSHCLOBJHANDLEINFO pInfo)
652{
653 AssertPtrReturn(pInfo, VERR_INVALID_POINTER);
654
655 pInfo->hObj = SHCLOBJHANDLE_INVALID;
656 pInfo->enmType = SHCLOBJTYPE_INVALID;
657
658 pInfo->pszPathLocalAbs = NULL;
659
660 RT_ZERO(pInfo->u);
661
662 return VINF_SUCCESS;
663}
664
665/**
666 * Destroys an object handle info structure.
667 *
668 * @param pInfo Object handle info structure to destroy.
669 */
670void ShClTransferObjHandleInfoDestroy(PSHCLOBJHANDLEINFO pInfo)
671{
672 if (!pInfo)
673 return;
674
675 if (pInfo->pszPathLocalAbs)
676 {
677 RTStrFree(pInfo->pszPathLocalAbs);
678 pInfo->pszPathLocalAbs = NULL;
679 }
680}
681
682/**
683 * Initializes a transfer object open parameters structure.
684 *
685 * @returns VBox status code.
686 * @param pParms transfer object open parameters structure to initialize.
687 */
688int ShClTransferObjOpenParmsInit(PSHCLOBJOPENCREATEPARMS pParms)
689{
690 AssertPtrReturn(pParms, VERR_INVALID_POINTER);
691
692 int rc;
693
694 RT_BZERO(pParms, sizeof(SHCLOBJOPENCREATEPARMS));
695
696 pParms->cbPath = RTPATH_MAX; /** @todo Make this dynamic. */
697 pParms->pszPath = RTStrAlloc(pParms->cbPath);
698 if (pParms->pszPath)
699 {
700 rc = VINF_SUCCESS;
701 }
702 else
703 rc = VERR_NO_MEMORY;
704
705 LogFlowFuncLeaveRC(rc);
706 return rc;
707}
708
709/**
710 * Copies a transfer object open parameters structure from source to destination.
711 *
712 * @returns VBox status code.
713 * @param pParmsDst Where to copy the source transfer object open parameters to.
714 * @param pParmsSrc Which source transfer object open parameters to copy.
715 */
716int ShClTransferObjOpenParmsCopy(PSHCLOBJOPENCREATEPARMS pParmsDst, PSHCLOBJOPENCREATEPARMS pParmsSrc)
717{
718 int rc;
719
720 *pParmsDst = *pParmsSrc;
721
722 if (pParmsSrc->pszPath)
723 {
724 Assert(pParmsSrc->cbPath);
725 pParmsDst->pszPath = RTStrDup(pParmsSrc->pszPath);
726 if (pParmsDst->pszPath)
727 {
728 rc = VINF_SUCCESS;
729 }
730 else
731 rc = VERR_NO_MEMORY;
732 }
733 else
734 rc = VINF_SUCCESS;
735
736 LogFlowFuncLeaveRC(rc);
737 return rc;
738}
739
740/**
741 * Destroys a transfer object open parameters structure.
742 *
743 * @param pParms transfer object open parameters structure to destroy.
744 */
745void ShClTransferObjOpenParmsDestroy(PSHCLOBJOPENCREATEPARMS pParms)
746{
747 if (!pParms)
748 return;
749
750 if (pParms->pszPath)
751 {
752 RTStrFree(pParms->pszPath);
753 pParms->pszPath = NULL;
754 }
755}
756
757/**
758 * Returns a specific object handle info of a transfer.
759 *
760 * @returns Pointer to object handle info if found, or NULL if not found.
761 * @param pTransfer Clipboard transfer to get object handle info from.
762 * @param hObj Object handle of the object to get handle info for.
763 */
764inline PSHCLOBJHANDLEINFO sharedClipboardTransferObjectGet(PSHCLTRANSFER pTransfer,
765 SHCLOBJHANDLE hObj)
766{
767 PSHCLOBJHANDLEINFO pIt;
768 RTListForEach(&pTransfer->lstObj, pIt, SHCLOBJHANDLEINFO, Node) /** @todo Slooow ...but works for now. */
769 {
770 if (pIt->hObj == hObj)
771 return pIt;
772 }
773
774 return NULL;
775}
776
777/**
778 * Opens a transfer object.
779 *
780 * @returns VBox status code.
781 * @param pTransfer Clipboard transfer to open the object for.
782 * @param pOpenCreateParms Open / create parameters of transfer object to open / create.
783 * @param phObj Where to store the handle of transfer object opened on success.
784 */
785int ShClTransferObjOpen(PSHCLTRANSFER pTransfer, PSHCLOBJOPENCREATEPARMS pOpenCreateParms,
786 PSHCLOBJHANDLE phObj)
787{
788 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
789 AssertPtrReturn(pOpenCreateParms, VERR_INVALID_POINTER);
790 AssertPtrReturn(phObj, VERR_INVALID_POINTER);
791
792 int rc = VINF_SUCCESS;
793
794 AssertMsgReturn(pTransfer->pszPathRootAbs, ("Transfer has no root path set\n"), VERR_INVALID_PARAMETER);
795 AssertMsgReturn(pOpenCreateParms->pszPath, ("No path in open/create params set\n"), VERR_INVALID_PARAMETER);
796
797 LogFlowFunc(("pszPath=%s, fCreate=0x%x\n", pOpenCreateParms->pszPath, pOpenCreateParms->fCreate));
798
799 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
800 {
801 PSHCLOBJHANDLEINFO pInfo
802 = (PSHCLOBJHANDLEINFO)RTMemAllocZ(sizeof(SHCLOBJHANDLEINFO));
803 if (pInfo)
804 {
805 rc = ShClTransferObjHandleInfoInit(pInfo);
806 if (RT_SUCCESS(rc))
807 {
808 const bool fWritable = true; /** @todo Fix this. */
809
810 uint64_t fOpen;
811 rc = sharedClipboardConvertFileCreateFlags(fWritable,
812 pOpenCreateParms->fCreate, pOpenCreateParms->ObjInfo.Attr.fMode,
813 SHCLOBJHANDLE_INVALID, &fOpen);
814 if (RT_SUCCESS(rc))
815 {
816 pInfo->pszPathLocalAbs = RTStrAPrintf2("%s/%s", pTransfer->pszPathRootAbs, pOpenCreateParms->pszPath);
817 if (pInfo->pszPathLocalAbs)
818 {
819 rc = RTFileOpen(&pInfo->u.Local.hFile, pInfo->pszPathLocalAbs, fOpen);
820 if (RT_SUCCESS(rc))
821 {
822 LogRel2(("Shared Clipboard: Opened file '%s'\n", pInfo->pszPathLocalAbs));
823 }
824 else
825 LogRel(("Shared Clipboard: Error opening file '%s', rc=%Rrc\n", pInfo->pszPathLocalAbs, rc));
826 }
827 else
828 rc = VERR_NO_MEMORY;
829 }
830 }
831
832 if (RT_SUCCESS(rc))
833 {
834 pInfo->hObj = pTransfer->uObjHandleNext++;
835 pInfo->enmType = SHCLOBJTYPE_FILE;
836
837 RTListAppend(&pTransfer->lstObj, &pInfo->Node);
838
839 *phObj = pInfo->hObj;
840 }
841 else
842 {
843 ShClTransferObjHandleInfoDestroy(pInfo);
844 RTMemFree(pInfo);
845 }
846 }
847 else
848 rc = VERR_NO_MEMORY;
849 }
850 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
851 {
852 if (pTransfer->ProviderIface.pfnObjOpen)
853 {
854 rc = pTransfer->ProviderIface.pfnObjOpen(&pTransfer->ProviderCtx, pOpenCreateParms, phObj);
855 }
856 else
857 rc = VERR_NOT_SUPPORTED;
858 }
859
860 LogFlowFuncLeaveRC(rc);
861 return rc;
862}
863
864/**
865 * Closes a transfer object.
866 *
867 * @returns VBox status code.
868 * @param pTransfer Clipboard transfer that contains the object to close.
869 * @param hObj Handle of transfer object to close.
870 */
871int ShClTransferObjClose(PSHCLTRANSFER pTransfer, SHCLOBJHANDLE hObj)
872{
873 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
874
875 int rc = VINF_SUCCESS;
876
877 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
878 {
879 PSHCLOBJHANDLEINFO pInfo = sharedClipboardTransferObjectGet(pTransfer, hObj);
880 if (pInfo)
881 {
882 switch (pInfo->enmType)
883 {
884 case SHCLOBJTYPE_DIRECTORY:
885 {
886 rc = RTDirClose(pInfo->u.Local.hDir);
887 if (RT_SUCCESS(rc))
888 {
889 pInfo->u.Local.hDir = NIL_RTDIR;
890
891 LogRel2(("Shared Clipboard: Closed directory '%s'\n", pInfo->pszPathLocalAbs));
892 }
893 else
894 LogRel(("Shared Clipboard: Closing directory '%s' failed with %Rrc\n", pInfo->pszPathLocalAbs, rc));
895 break;
896 }
897
898 case SHCLOBJTYPE_FILE:
899 {
900 rc = RTFileClose(pInfo->u.Local.hFile);
901 if (RT_SUCCESS(rc))
902 {
903 pInfo->u.Local.hFile = NIL_RTFILE;
904
905 LogRel2(("Shared Clipboard: Closed file '%s'\n", pInfo->pszPathLocalAbs));
906 }
907 else
908 LogRel(("Shared Clipboard: Closing file '%s' failed with %Rrc\n", pInfo->pszPathLocalAbs, rc));
909 break;
910 }
911
912 default:
913 rc = VERR_NOT_IMPLEMENTED;
914 break;
915 }
916
917 RTListNodeRemove(&pInfo->Node);
918
919 ShClTransferObjHandleInfoDestroy(pInfo);
920
921 RTMemFree(pInfo);
922 pInfo = NULL;
923 }
924 else
925 rc = VERR_NOT_FOUND;
926 }
927 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
928 {
929 if (pTransfer->ProviderIface.pfnObjClose)
930 {
931 rc = pTransfer->ProviderIface.pfnObjClose(&pTransfer->ProviderCtx, hObj);
932 }
933 else
934 rc = VERR_NOT_SUPPORTED;
935 }
936
937 LogFlowFuncLeaveRC(rc);
938 return rc;
939}
940
941/**
942 * Reads from a transfer object.
943 *
944 * @returns VBox status code.
945 * @param pTransfer Clipboard transfer that contains the object to read from.
946 * @param hObj Handle of transfer object to read from.
947 * @param pvBuf Buffer for where to store the read data.
948 * @param cbBuf Size (in bytes) of buffer.
949 * @param pcbRead How much bytes were read on success. Optional.
950 */
951int ShClTransferObjRead(PSHCLTRANSFER pTransfer,
952 SHCLOBJHANDLE hObj, void *pvBuf, uint32_t cbBuf, uint32_t *pcbRead, uint32_t fFlags)
953{
954 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
955 AssertPtrReturn(pvBuf, VERR_INVALID_POINTER);
956 AssertReturn (cbBuf, VERR_INVALID_PARAMETER);
957 /* pcbRead is optional. */
958 /** @todo Validate fFlags. */
959
960 int rc = VINF_SUCCESS;
961
962 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
963 {
964 PSHCLOBJHANDLEINFO pInfo = sharedClipboardTransferObjectGet(pTransfer, hObj);
965 if (pInfo)
966 {
967 switch (pInfo->enmType)
968 {
969 case SHCLOBJTYPE_FILE:
970 {
971 size_t cbRead;
972 rc = RTFileRead(pInfo->u.Local.hFile, pvBuf, cbBuf, &cbRead);
973 if (RT_SUCCESS(rc))
974 {
975 if (pcbRead)
976 *pcbRead = (uint32_t)cbRead;
977 }
978 break;
979 }
980
981 default:
982 rc = VERR_NOT_SUPPORTED;
983 break;
984 }
985 }
986 else
987 rc = VERR_NOT_FOUND;
988 }
989 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
990 {
991 if (pTransfer->ProviderIface.pfnObjRead)
992 {
993 rc = pTransfer->ProviderIface.pfnObjRead(&pTransfer->ProviderCtx, hObj, pvBuf, cbBuf, fFlags, pcbRead);
994 }
995 else
996 rc = VERR_NOT_SUPPORTED;
997 }
998
999 LogFlowFuncLeaveRC(rc);
1000 return rc;
1001}
1002
1003/**
1004 * Writes to a transfer object.
1005 *
1006 * @returns VBox status code.
1007 * @param pTransfer Clipboard transfer that contains the object to write to.
1008 * @param hObj Handle of transfer object to write to.
1009 * @param pvBuf Buffer of data to write.
1010 * @param cbBuf Size (in bytes) of buffer to write.
1011 * @param pcbWritten How much bytes were writtenon success. Optional.
1012 */
1013int ShClTransferObjWrite(PSHCLTRANSFER pTransfer,
1014 SHCLOBJHANDLE hObj, void *pvBuf, uint32_t cbBuf, uint32_t *pcbWritten,
1015 uint32_t fFlags)
1016{
1017 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
1018 AssertPtrReturn(pvBuf, VERR_INVALID_POINTER);
1019 AssertReturn (cbBuf, VERR_INVALID_PARAMETER);
1020 /* pcbWritten is optional. */
1021
1022 int rc = VINF_SUCCESS;
1023
1024 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
1025 {
1026 PSHCLOBJHANDLEINFO pInfo = sharedClipboardTransferObjectGet(pTransfer, hObj);
1027 if (pInfo)
1028 {
1029 switch (pInfo->enmType)
1030 {
1031 case SHCLOBJTYPE_FILE:
1032 {
1033 rc = RTFileWrite(pInfo->u.Local.hFile, pvBuf, cbBuf, (size_t *)pcbWritten);
1034 break;
1035 }
1036
1037 default:
1038 rc = VERR_NOT_SUPPORTED;
1039 break;
1040 }
1041 }
1042 else
1043 rc = VERR_NOT_FOUND;
1044 }
1045 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
1046 {
1047 if (pTransfer->ProviderIface.pfnObjWrite)
1048 {
1049 rc = pTransfer->ProviderIface.pfnObjWrite(&pTransfer->ProviderCtx, hObj, pvBuf, cbBuf, fFlags, pcbWritten);
1050 }
1051 else
1052 rc = VERR_NOT_SUPPORTED;
1053 }
1054
1055 LogFlowFuncLeaveRC(rc);
1056 return rc;
1057}
1058
1059/**
1060 * Duplicaates a transfer object data chunk.
1061 *
1062 * @returns Duplicated object data chunk on success, or NULL on failure.
1063 * @param pDataChunk transfer object data chunk to duplicate.
1064 */
1065PSHCLOBJDATACHUNK ShClTransferObjDataChunkDup(PSHCLOBJDATACHUNK pDataChunk)
1066{
1067 if (!pDataChunk)
1068 return NULL;
1069
1070 PSHCLOBJDATACHUNK pDataChunkDup = (PSHCLOBJDATACHUNK)RTMemAllocZ(sizeof(SHCLOBJDATACHUNK));
1071 if (!pDataChunkDup)
1072 return NULL;
1073
1074 if (pDataChunk->pvData)
1075 {
1076 Assert(pDataChunk->cbData);
1077
1078 pDataChunkDup->uHandle = pDataChunk->uHandle;
1079 pDataChunkDup->pvData = RTMemDup(pDataChunk->pvData, pDataChunk->cbData);
1080 pDataChunkDup->cbData = pDataChunk->cbData;
1081 }
1082
1083 return pDataChunkDup;
1084}
1085
1086/**
1087 * Destroys a transfer object data chunk.
1088 *
1089 * @param pDataChunk transfer object data chunk to destroy.
1090 */
1091void ShClTransferObjDataChunkDestroy(PSHCLOBJDATACHUNK pDataChunk)
1092{
1093 if (!pDataChunk)
1094 return;
1095
1096 if (pDataChunk->pvData)
1097 {
1098 Assert(pDataChunk->cbData);
1099
1100 RTMemFree(pDataChunk->pvData);
1101
1102 pDataChunk->pvData = NULL;
1103 pDataChunk->cbData = 0;
1104 }
1105
1106 pDataChunk->uHandle = 0;
1107}
1108
1109/**
1110 * Frees a transfer object data chunk.
1111 *
1112 * @param pDataChunk transfer object data chunk to free. The handed-in pointer will
1113 * be invalid after calling this function.
1114 */
1115void ShClTransferObjDataChunkFree(PSHCLOBJDATACHUNK pDataChunk)
1116{
1117 if (!pDataChunk)
1118 return;
1119
1120 ShClTransferObjDataChunkDestroy(pDataChunk);
1121
1122 RTMemFree(pDataChunk);
1123 pDataChunk = NULL;
1124}
1125
1126/**
1127 * Creates an Clipboard transfer.
1128 *
1129 * @returns VBox status code.
1130 * @param ppTransfer Where to return the created Shared Clipboard transfer struct.
1131 * Must be destroyed by SharedClipboardTransferDestroy().
1132 */
1133int ShClTransferCreate(PSHCLTRANSFER *ppTransfer)
1134{
1135 AssertPtrReturn(ppTransfer, VERR_INVALID_POINTER);
1136
1137 LogFlowFuncEnter();
1138
1139 PSHCLTRANSFER pTransfer = (PSHCLTRANSFER)RTMemAlloc(sizeof(SHCLTRANSFER));
1140 if (!pTransfer)
1141 return VERR_NO_MEMORY;
1142
1143 int rc = VINF_SUCCESS;
1144
1145 pTransfer->State.uID = 0;
1146 pTransfer->State.enmStatus = SHCLTRANSFERSTATUS_NONE;
1147 pTransfer->State.enmDir = SHCLTRANSFERDIR_UNKNOWN;
1148 pTransfer->State.enmSource = SHCLSOURCE_INVALID;
1149
1150 pTransfer->pArea = NULL; /* Will be created later if needed. */
1151
1152 pTransfer->Thread.hThread = NIL_RTTHREAD;
1153 pTransfer->Thread.fCancelled = false;
1154 pTransfer->Thread.fStarted = false;
1155 pTransfer->Thread.fStop = false;
1156
1157 pTransfer->pszPathRootAbs = NULL;
1158
1159 pTransfer->uListHandleNext = 1;
1160 pTransfer->uObjHandleNext = 1;
1161
1162 pTransfer->uTimeoutMs = 30 * 1000; /* 30s timeout by default. */
1163 pTransfer->cbMaxChunkSize = _64K; /** @todo Make this configurable. */
1164
1165 pTransfer->pvUser = NULL;
1166 pTransfer->cbUser = 0;
1167
1168 RT_ZERO(pTransfer->Callbacks);
1169
1170 RTListInit(&pTransfer->lstList);
1171 RTListInit(&pTransfer->lstObj);
1172
1173 pTransfer->cRoots = 0;
1174 RTListInit(&pTransfer->lstRoots);
1175
1176 RT_ZERO(pTransfer->Events);
1177
1178 if (RT_SUCCESS(rc))
1179 {
1180 *ppTransfer = pTransfer;
1181 }
1182 else
1183 {
1184 if (pTransfer)
1185 {
1186 ShClTransferDestroy(pTransfer);
1187 RTMemFree(pTransfer);
1188 }
1189 }
1190
1191 LogFlowFuncLeaveRC(rc);
1192 return rc;
1193}
1194
1195/**
1196 * Destroys an Clipboard transfer context struct.
1197 *
1198 * @returns VBox status code.
1199 * @param pTransferCtx Clipboard transfer to destroy.
1200 */
1201int ShClTransferDestroy(PSHCLTRANSFER pTransfer)
1202{
1203 if (!pTransfer)
1204 return VINF_SUCCESS;
1205
1206 LogFlowFuncEnter();
1207
1208 int rc = sharedClipboardTransferThreadDestroy(pTransfer, 30 * 1000 /* Timeout in ms */);
1209 if (RT_FAILURE(rc))
1210 return rc;
1211
1212 RTStrFree(pTransfer->pszPathRootAbs);
1213
1214 ShClEventSourceDestroy(&pTransfer->Events);
1215
1216 PSHCLLISTHANDLEINFO pItList, pItListNext;
1217 RTListForEachSafe(&pTransfer->lstList, pItList, pItListNext, SHCLLISTHANDLEINFO, Node)
1218 {
1219 ShClTransferListHandleInfoDestroy(pItList);
1220
1221 RTListNodeRemove(&pItList->Node);
1222
1223 RTMemFree(pItList);
1224 }
1225
1226 PSHCLOBJHANDLEINFO pItObj, pItObjNext;
1227 RTListForEachSafe(&pTransfer->lstObj, pItObj, pItObjNext, SHCLOBJHANDLEINFO, Node)
1228 {
1229 ShClTransferObjHandleInfoDestroy(pItObj);
1230
1231 RTListNodeRemove(&pItObj->Node);
1232
1233 RTMemFree(pItObj);
1234 }
1235
1236 LogFlowFuncLeave();
1237 return VINF_SUCCESS;
1238}
1239
1240/**
1241 * Initializes a shared Clipboard transfer object.
1242 *
1243 * @returns VBox status code.
1244 * @param pTransfer Transfer to initialize.
1245 * @param uID ID to use for the transfer. Can be set to 0 if not important.
1246 * @param enmDir Specifies the transfer direction of this transfer.
1247 * @param enmSource Specifies the data source of the transfer.
1248 */
1249int ShClTransferInit(PSHCLTRANSFER pTransfer,
1250 uint32_t uID, SHCLTRANSFERDIR enmDir, SHCLSOURCE enmSource)
1251{
1252 pTransfer->State.uID = uID;
1253 pTransfer->State.enmDir = enmDir;
1254 pTransfer->State.enmSource = enmSource;
1255
1256 LogFlowFunc(("uID=%RU32, enmDir=%RU32, enmSource=%RU32\n",
1257 pTransfer->State.uID, pTransfer->State.enmDir, pTransfer->State.enmSource));
1258
1259 int rc = ShClEventSourceCreate(&pTransfer->Events, pTransfer->State.uID);
1260 if (RT_SUCCESS(rc))
1261 {
1262 pTransfer->State.enmStatus = SHCLTRANSFERSTATUS_INITIALIZED; /* Now we're ready to run. */
1263
1264 if (pTransfer->Callbacks.pfnTransferInitialize)
1265 {
1266 SHCLTRANSFERCALLBACKDATA Data = { pTransfer, pTransfer->Callbacks.pvUser, pTransfer->Callbacks.cbUser };
1267 rc = pTransfer->Callbacks.pfnTransferInitialize(&Data);
1268 }
1269 }
1270
1271 LogFlowFuncLeaveRC(rc);
1272 return rc;
1273}
1274
1275int ShClTransferOpen(PSHCLTRANSFER pTransfer)
1276{
1277 int rc = VINF_SUCCESS;
1278
1279 if (pTransfer->ProviderIface.pfnTransferOpen)
1280 rc = pTransfer->ProviderIface.pfnTransferOpen(&pTransfer->ProviderCtx);
1281
1282 LogFlowFuncLeaveRC(rc);
1283 return rc;
1284}
1285
1286int ShClTransferClose(PSHCLTRANSFER pTransfer)
1287{
1288 int rc = VINF_SUCCESS;
1289
1290 if (pTransfer->ProviderIface.pfnTransferClose)
1291 rc = pTransfer->ProviderIface.pfnTransferClose(&pTransfer->ProviderCtx);
1292
1293 LogFlowFuncLeaveRC(rc);
1294 return rc;
1295}
1296
1297/**
1298 * Returns a specific list handle info of a transfer.
1299 *
1300 * @returns Pointer to list handle info if found, or NULL if not found.
1301 * @param pTransfer Clipboard transfer to get list handle info from.
1302 * @param hList List handle of the list to get handle info for.
1303 */
1304inline PSHCLLISTHANDLEINFO sharedClipboardTransferListGetByHandle(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList)
1305{
1306 PSHCLLISTHANDLEINFO pIt;
1307 RTListForEach(&pTransfer->lstList, pIt, SHCLLISTHANDLEINFO, Node) /** @todo Sloooow ... improve this. */
1308 {
1309 if (pIt->hList == hList)
1310 return pIt;
1311 }
1312
1313 return NULL;
1314}
1315
1316/**
1317 * Creates a new list handle (local only).
1318 *
1319 * @returns New List handle on success, or SHCLLISTHANDLE_INVALID on error.
1320 * @param pTransfer Clipboard transfer to create new list handle for.
1321 */
1322inline SHCLLISTHANDLE sharedClipboardTransferListHandleNew(PSHCLTRANSFER pTransfer)
1323{
1324 return pTransfer->uListHandleNext++; /** @todo Good enough for now. Improve this later. */
1325}
1326
1327/**
1328 * Resolves a relative path of a specific transfer to its absolute path.
1329 *
1330 * @returns VBox status code.
1331 * @param pTransfer Clipboard transfer to resolve path for.
1332 * @param pszPath Path to resolve.
1333 * @param fFlags Resolve flags. Currently not used and must be 0.
1334 * @param ppszResolved Where to store the allocated resolved path. Must be free'd by the called using RTStrFree().
1335 */
1336static int shClTransferResolvePathAbs(PSHCLTRANSFER pTransfer, const char *pszPath, uint32_t fFlags,
1337 char **ppszResolved)
1338{
1339 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
1340 AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
1341 AssertReturn (fFlags == 0, VERR_INVALID_PARAMETER);
1342
1343 /* Paranoia. */
1344 if ( !strlen(pTransfer->pszPathRootAbs)
1345 || !RTStrIsValidEncoding(pTransfer->pszPathRootAbs)
1346 || !RTStrCmp(pTransfer->pszPathRootAbs, ".")
1347 || !RTStrCmp(pTransfer->pszPathRootAbs, "..")
1348 || !RTPathStartsWithRoot(pTransfer->pszPathRootAbs))
1349 {
1350 return VERR_INVALID_PARAMETER;
1351 }
1352
1353 int rc;
1354
1355 char *pszResolved = RTPathJoinA(pTransfer->pszPathRootAbs, pszPath);
1356 if (pszResolved)
1357 {
1358 LogFlowFunc(("pszPathRootAbs=%s, pszPath=%s -> %s\n", pTransfer->pszPathRootAbs, pszPath, pszResolved));
1359
1360 *ppszResolved = pszResolved;
1361
1362 rc = VINF_SUCCESS;
1363 }
1364 else
1365 rc = VERR_NO_MEMORY;
1366
1367 LogFlowFuncLeaveRC(rc);
1368 return rc;
1369}
1370
1371/**
1372 * Opens a list.
1373 *
1374 * @returns VBox status code.
1375 * @param pTransfer Clipboard transfer to handle.
1376 * @param pOpenParms List open parameters to use for opening.
1377 * @param phList Where to store the List handle of opened list on success.
1378 */
1379int ShClTransferListOpen(PSHCLTRANSFER pTransfer, PSHCLLISTOPENPARMS pOpenParms,
1380 PSHCLLISTHANDLE phList)
1381{
1382 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
1383 AssertPtrReturn(pOpenParms, VERR_INVALID_POINTER);
1384 AssertPtrReturn(phList, VERR_INVALID_POINTER);
1385
1386 int rc;
1387
1388 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
1389 {
1390 LogFlowFunc(("pszPath=%s\n", pOpenParms->pszPath));
1391
1392 char *pszPathAbs;
1393 rc = shClTransferResolvePathAbs(pTransfer, pOpenParms->pszPath, 0 /* fFlags */, &pszPathAbs);
1394 if (RT_SUCCESS(rc))
1395 {
1396 PSHCLLISTHANDLEINFO pInfo
1397 = (PSHCLLISTHANDLEINFO)RTMemAlloc(sizeof(SHCLLISTHANDLEINFO));
1398 if (pInfo)
1399 {
1400 rc = ShClTransferListHandleInfoInit(pInfo);
1401 if (RT_SUCCESS(rc))
1402 {
1403 RTFSOBJINFO objInfo;
1404 rc = RTPathQueryInfo(pOpenParms->pszPath, &objInfo, RTFSOBJATTRADD_NOTHING);
1405 if (RT_SUCCESS(rc))
1406 {
1407 if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode))
1408 {
1409 rc = RTDirOpen(&pInfo->u.Local.hDir, pszPathAbs);
1410 if (RT_SUCCESS(rc))
1411 {
1412 pInfo->enmType = SHCLOBJTYPE_DIRECTORY;
1413
1414 LogRel2(("Shared Clipboard: Opening directory '%s'\n", pszPathAbs));
1415 }
1416 else
1417 LogRel(("Shared Clipboard: Opening directory '%s' failed with %Rrc\n", pInfo->pszPathLocalAbs, rc));
1418
1419 }
1420 else if (RTFS_IS_FILE(objInfo.Attr.fMode))
1421 {
1422 rc = RTFileOpen(&pInfo->u.Local.hFile, pszPathAbs,
1423 RTFILE_O_OPEN | RTFILE_O_READ | RTFILE_O_DENY_WRITE);
1424 if (RT_SUCCESS(rc))
1425 {
1426 pInfo->enmType = SHCLOBJTYPE_FILE;
1427
1428 LogRel2(("Shared Clipboard: Opening file '%s'\n", pszPathAbs));
1429 }
1430 else
1431 LogRel(("Shared Clipboard: Opening file '%s' failed with %Rrc\n", pInfo->pszPathLocalAbs, rc));
1432 }
1433 else
1434 rc = VERR_NOT_SUPPORTED;
1435
1436 if (RT_SUCCESS(rc))
1437 {
1438 pInfo->hList = sharedClipboardTransferListHandleNew(pTransfer);
1439 pInfo->pszPathLocalAbs = RTStrDup(pszPathAbs);
1440 if (pInfo->pszPathLocalAbs)
1441 {
1442 RTListAppend(&pTransfer->lstList, &pInfo->Node);
1443
1444 LogFlowFunc(("pszPathLocalAbs=%s, hList=%RU64\n", pInfo->pszPathLocalAbs, pInfo->hList));
1445
1446 *phList = pInfo->hList;
1447 }
1448 else
1449 rc = VERR_NO_MEMORY;
1450 }
1451 else
1452 {
1453 if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode))
1454 {
1455 if (RTDirIsValid(pInfo->u.Local.hDir))
1456 RTDirClose(pInfo->u.Local.hDir);
1457 }
1458 else if (RTFS_IS_FILE(objInfo.Attr.fMode))
1459 {
1460 if (RTFileIsValid(pInfo->u.Local.hFile))
1461 RTFileClose(pInfo->u.Local.hFile);
1462 }
1463 }
1464 }
1465
1466 if (RT_FAILURE(rc))
1467 ShClTransferListHandleInfoDestroy(pInfo);
1468 }
1469
1470 if (RT_FAILURE(rc))
1471 {
1472 RTMemFree(pInfo);
1473 pInfo = NULL;
1474 }
1475 }
1476 else
1477 rc = VERR_NO_MEMORY;
1478
1479 RTStrFree(pszPathAbs);
1480 }
1481 }
1482 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
1483 {
1484 if (pTransfer->ProviderIface.pfnListOpen)
1485 {
1486 rc = pTransfer->ProviderIface.pfnListOpen(&pTransfer->ProviderCtx, pOpenParms, phList);
1487 }
1488 else
1489 rc = VERR_NOT_SUPPORTED;
1490 }
1491 else
1492 AssertFailedStmt(rc = VERR_NOT_IMPLEMENTED);
1493
1494 LogFlowFuncLeaveRC(rc);
1495 return rc;
1496}
1497
1498/**
1499 * Closes a list.
1500 *
1501 * @returns VBox status code.
1502 * @param pTransfer Clipboard transfer to handle.
1503 * @param hList Handle of list to close.
1504 */
1505int ShClTransferListClose(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList)
1506{
1507 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
1508
1509 if (hList == SHCLLISTHANDLE_INVALID)
1510 return VINF_SUCCESS;
1511
1512 int rc = VINF_SUCCESS;
1513
1514 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
1515 {
1516 PSHCLLISTHANDLEINFO pInfo = sharedClipboardTransferListGetByHandle(pTransfer, hList);
1517 if (pInfo)
1518 {
1519 switch (pInfo->enmType)
1520 {
1521 case SHCLOBJTYPE_DIRECTORY:
1522 {
1523 if (RTDirIsValid(pInfo->u.Local.hDir))
1524 {
1525 RTDirClose(pInfo->u.Local.hDir);
1526 pInfo->u.Local.hDir = NIL_RTDIR;
1527 }
1528 break;
1529 }
1530
1531 default:
1532 rc = VERR_NOT_SUPPORTED;
1533 break;
1534 }
1535
1536 RTListNodeRemove(&pInfo->Node);
1537
1538 RTMemFree(pInfo);
1539 }
1540 else
1541 rc = VERR_NOT_FOUND;
1542 }
1543 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
1544 {
1545 if (pTransfer->ProviderIface.pfnListClose)
1546 {
1547 rc = pTransfer->ProviderIface.pfnListClose(&pTransfer->ProviderCtx, hList);
1548 }
1549 else
1550 rc = VERR_NOT_SUPPORTED;
1551 }
1552
1553 LogFlowFuncLeaveRC(rc);
1554 return rc;
1555}
1556
1557/**
1558 * Adds a file to a list heaer.
1559 *
1560 * @returns VBox status code.
1561 * @param pHdr List header to add file to.
1562 * @param pszPath Path of file to add.
1563 */
1564static int sharedClipboardTransferListHdrAddFile(PSHCLLISTHDR pHdr, const char *pszPath)
1565{
1566 uint64_t cbSize = 0;
1567 int rc = RTFileQuerySizeByPath(pszPath, &cbSize);
1568 if (RT_SUCCESS(rc))
1569 {
1570 pHdr->cbTotalSize += cbSize;
1571 pHdr->cTotalObjects++;
1572 }
1573
1574 LogFlowFuncLeaveRC(rc);
1575 return rc;
1576}
1577
1578/**
1579 * Builds a list header, internal version.
1580 *
1581 * @returns VBox status code.
1582 * @param pHdr Where to store the build list header.
1583 * @param pcszSrcPath Source path of list.
1584 * @param pcszDstPath Destination path of list.
1585 * @param pcszDstBase Destination base path.
1586 * @param cchDstBase Number of charaters of destination base path.
1587 */
1588static int sharedClipboardTransferListHdrFromDir(PSHCLLISTHDR pHdr, const char *pcszPathAbs)
1589{
1590 AssertPtrReturn(pcszPathAbs, VERR_INVALID_POINTER);
1591
1592 LogFlowFunc(("pcszPathAbs=%s\n", pcszPathAbs));
1593
1594 RTFSOBJINFO objInfo;
1595 int rc = RTPathQueryInfo(pcszPathAbs, &objInfo, RTFSOBJATTRADD_NOTHING);
1596 if (RT_SUCCESS(rc))
1597 {
1598 if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode))
1599 {
1600 RTDIR hDir;
1601 rc = RTDirOpen(&hDir, pcszPathAbs);
1602 if (RT_SUCCESS(rc))
1603 {
1604 size_t cbDirEntry = 0;
1605 PRTDIRENTRYEX pDirEntry = NULL;
1606 do
1607 {
1608 /* Retrieve the next directory entry. */
1609 rc = RTDirReadExA(hDir, &pDirEntry, &cbDirEntry, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
1610 if (RT_FAILURE(rc))
1611 {
1612 if (rc == VERR_NO_MORE_FILES)
1613 rc = VINF_SUCCESS;
1614 break;
1615 }
1616
1617 switch (pDirEntry->Info.Attr.fMode & RTFS_TYPE_MASK)
1618 {
1619 case RTFS_TYPE_DIRECTORY:
1620 {
1621 /* Skip "." and ".." entries. */
1622 if (RTDirEntryExIsStdDotLink(pDirEntry))
1623 break;
1624
1625 pHdr->cTotalObjects++;
1626 break;
1627 }
1628 case RTFS_TYPE_FILE:
1629 {
1630 char *pszSrc = RTPathJoinA(pcszPathAbs, pDirEntry->szName);
1631 if (pszSrc)
1632 {
1633 rc = sharedClipboardTransferListHdrAddFile(pHdr, pszSrc);
1634 RTStrFree(pszSrc);
1635 }
1636 else
1637 rc = VERR_NO_MEMORY;
1638 break;
1639 }
1640 case RTFS_TYPE_SYMLINK:
1641 {
1642 /** @todo Not implemented yet. */
1643 }
1644
1645 default:
1646 break;
1647 }
1648
1649 } while (RT_SUCCESS(rc));
1650
1651 RTDirReadExAFree(&pDirEntry, &cbDirEntry);
1652 RTDirClose(hDir);
1653 }
1654 }
1655 else if (RTFS_IS_FILE(objInfo.Attr.fMode))
1656 {
1657 rc = sharedClipboardTransferListHdrAddFile(pHdr, pcszPathAbs);
1658 }
1659 else if (RTFS_IS_SYMLINK(objInfo.Attr.fMode))
1660 {
1661 /** @todo Not implemented yet. */
1662 }
1663 else
1664 rc = VERR_NOT_SUPPORTED;
1665 }
1666
1667 LogFlowFuncLeaveRC(rc);
1668 return rc;
1669}
1670
1671/**
1672 * Translates an absolute path to a relative one.
1673 *
1674 * @returns Translated, allocated path on success, or NULL on failure.
1675 * Must be free'd with RTStrFree().
1676 * @param pszPath Absolute path to translate.
1677 */
1678static char *sharedClipboardPathTranslate(const char *pszPath)
1679{
1680 AssertPtrReturn(pszPath, NULL);
1681
1682 LogFlowFunc(("pszPath=%s\n", pszPath));
1683
1684 char *pszPathTranslated = NULL;
1685
1686 char *pszSrcPath = RTStrDup(pszPath);
1687 if (pszSrcPath)
1688 {
1689 size_t cbSrcPathLen = RTPathStripTrailingSlash(pszSrcPath);
1690 if (cbSrcPathLen)
1691 {
1692 char *pszFileName = RTPathFilename(pszSrcPath);
1693 if (pszFileName)
1694 {
1695 Assert(pszFileName >= pszSrcPath);
1696 size_t cchDstBase = pszFileName - pszSrcPath;
1697
1698 pszPathTranslated = RTStrDup(&pszSrcPath[cchDstBase]);
1699
1700 LogFlowFunc(("pszSrcPath=%s, pszFileName=%s -> pszPathTranslated=%s\n",
1701 pszSrcPath, pszFileName, pszPathTranslated));
1702 }
1703 }
1704
1705 RTStrFree(pszSrcPath);
1706 }
1707
1708 return pszPathTranslated;
1709}
1710
1711/**
1712 * Retrieves the header of a Shared Clipboard list.
1713 *
1714 * @returns VBox status code.
1715 * @param pTransfer Clipboard transfer to handle.
1716 * @param hList Handle of list to get header for.
1717 * @param pHdr Where to store the returned list header information.
1718 */
1719int ShClTransferListGetHeader(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList,
1720 PSHCLLISTHDR pHdr)
1721{
1722 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
1723 AssertPtrReturn(pHdr, VERR_INVALID_POINTER);
1724
1725 int rc;
1726
1727 LogFlowFunc(("hList=%RU64\n", hList));
1728
1729 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
1730 {
1731 PSHCLLISTHANDLEINFO pInfo = sharedClipboardTransferListGetByHandle(pTransfer, hList);
1732 if (pInfo)
1733 {
1734 rc = ShClTransferListHdrInit(pHdr);
1735 if (RT_SUCCESS(rc))
1736 {
1737 switch (pInfo->enmType)
1738 {
1739 case SHCLOBJTYPE_DIRECTORY:
1740 {
1741 LogFlowFunc(("DirAbs: %s\n", pInfo->pszPathLocalAbs));
1742
1743 rc = sharedClipboardTransferListHdrFromDir(pHdr, pInfo->pszPathLocalAbs);
1744 break;
1745 }
1746
1747 case SHCLOBJTYPE_FILE:
1748 {
1749 LogFlowFunc(("FileAbs: %s\n", pInfo->pszPathLocalAbs));
1750
1751 pHdr->cTotalObjects = 1;
1752
1753 RTFSOBJINFO objInfo;
1754 rc = RTFileQueryInfo(pInfo->u.Local.hFile, &objInfo, RTFSOBJATTRADD_NOTHING);
1755 if (RT_SUCCESS(rc))
1756 {
1757 pHdr->cbTotalSize = objInfo.cbObject;
1758 }
1759 break;
1760 }
1761
1762 default:
1763 rc = VERR_NOT_SUPPORTED;
1764 break;
1765 }
1766 }
1767
1768 LogFlowFunc(("cTotalObj=%RU64, cbTotalSize=%RU64\n", pHdr->cTotalObjects, pHdr->cbTotalSize));
1769 }
1770 else
1771 rc = VERR_NOT_FOUND;
1772 }
1773 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
1774 {
1775 if (pTransfer->ProviderIface.pfnListHdrRead)
1776 {
1777 rc = pTransfer->ProviderIface.pfnListHdrRead(&pTransfer->ProviderCtx, hList, pHdr);
1778 }
1779 else
1780 rc = VERR_NOT_SUPPORTED;
1781 }
1782 else
1783 AssertFailedStmt(rc = VERR_NOT_IMPLEMENTED);
1784
1785 LogFlowFuncLeaveRC(rc);
1786 return rc;
1787}
1788
1789/**
1790 * Returns the current transfer object for a Shared Clipboard transfer list.
1791 *
1792 * Currently not implemented and wil return NULL.
1793 *
1794 * @returns Pointer to transfer object, or NULL if not found / invalid.
1795 * @param pTransfer Clipboard transfer to return transfer object for.
1796 * @param hList Handle of Shared Clipboard transfer list to get object for.
1797 * @param uIdx Index of object to get.
1798 */
1799PSHCLTRANSFEROBJ ShClTransferListGetObj(PSHCLTRANSFER pTransfer,
1800 SHCLLISTHANDLE hList, uint64_t uIdx)
1801{
1802 AssertPtrReturn(pTransfer, NULL);
1803
1804 RT_NOREF(hList, uIdx);
1805
1806 LogFlowFunc(("hList=%RU64\n", hList));
1807
1808 return NULL;
1809}
1810
1811/**
1812 * Reads a single Shared Clipboard list entry.
1813 *
1814 * @returns VBox status code or VERR_NO_MORE_FILES if the end of the list has been reached.
1815 * @param pTransfer Clipboard transfer to handle.
1816 * @param hList List handle of list to read from.
1817 * @param pEntry Where to store the read information.
1818 */
1819int ShClTransferListRead(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList,
1820 PSHCLLISTENTRY pEntry)
1821{
1822 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
1823 AssertPtrReturn(pEntry, VERR_INVALID_POINTER);
1824
1825 int rc = VINF_SUCCESS;
1826
1827 LogFlowFunc(("hList=%RU64\n", hList));
1828
1829 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
1830 {
1831 PSHCLLISTHANDLEINFO pInfo = sharedClipboardTransferListGetByHandle(pTransfer, hList);
1832 if (pInfo)
1833 {
1834 switch (pInfo->enmType)
1835 {
1836 case SHCLOBJTYPE_DIRECTORY:
1837 {
1838 LogFlowFunc(("\tDirectory: %s\n", pInfo->pszPathLocalAbs));
1839
1840 for (;;)
1841 {
1842 bool fSkipEntry = false; /* Whether to skip an entry in the enumeration. */
1843
1844 size_t cbDirEntry = 0;
1845 PRTDIRENTRYEX pDirEntry = NULL;
1846 rc = RTDirReadExA(pInfo->u.Local.hDir, &pDirEntry, &cbDirEntry, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
1847 if (RT_SUCCESS(rc))
1848 {
1849 switch (pDirEntry->Info.Attr.fMode & RTFS_TYPE_MASK)
1850 {
1851 case RTFS_TYPE_DIRECTORY:
1852 {
1853 /* Skip "." and ".." entries. */
1854 if (RTDirEntryExIsStdDotLink(pDirEntry))
1855 {
1856 fSkipEntry = true;
1857 break;
1858 }
1859
1860 LogFlowFunc(("Directory: %s\n", pDirEntry->szName));
1861 break;
1862 }
1863
1864 case RTFS_TYPE_FILE:
1865 {
1866 LogFlowFunc(("File: %s\n", pDirEntry->szName));
1867 break;
1868 }
1869
1870 case RTFS_TYPE_SYMLINK:
1871 {
1872 rc = VERR_NOT_IMPLEMENTED; /** @todo Not implemented yet. */
1873 break;
1874 }
1875
1876 default:
1877 break;
1878 }
1879
1880 if ( RT_SUCCESS(rc)
1881 && !fSkipEntry)
1882 {
1883 rc = RTStrCopy(pEntry->pszName, pEntry->cbName, pDirEntry->szName);
1884 if (RT_SUCCESS(rc))
1885 {
1886 AssertPtr(pEntry->pvInfo);
1887 Assert (pEntry->cbInfo == sizeof(SHCLFSOBJINFO));
1888
1889 ShClFsObjFromIPRT(PSHCLFSOBJINFO(pEntry->pvInfo), &pDirEntry->Info);
1890 }
1891 }
1892
1893 RTDirReadExAFree(&pDirEntry, &cbDirEntry);
1894 }
1895
1896 if ( !fSkipEntry /* Do we have a valid entry? Bail out. */
1897 || RT_FAILURE(rc))
1898 {
1899 break;
1900 }
1901 }
1902
1903 break;
1904 }
1905
1906 case SHCLOBJTYPE_FILE:
1907 {
1908 LogFlowFunc(("\tSingle file: %s\n", pInfo->pszPathLocalAbs));
1909
1910 RTFSOBJINFO objInfo;
1911 rc = RTFileQueryInfo(pInfo->u.Local.hFile, &objInfo, RTFSOBJATTRADD_NOTHING);
1912 if (RT_SUCCESS(rc))
1913 {
1914 pEntry->pvInfo = (PSHCLFSOBJINFO)RTMemAlloc(sizeof(SHCLFSOBJINFO));
1915 if (pEntry->pvInfo)
1916 {
1917 rc = RTStrCopy(pEntry->pszName, pEntry->cbName, pInfo->pszPathLocalAbs);
1918 if (RT_SUCCESS(rc))
1919 {
1920 ShClFsObjFromIPRT(PSHCLFSOBJINFO(pEntry->pvInfo), &objInfo);
1921
1922 pEntry->cbInfo = sizeof(SHCLFSOBJINFO);
1923 pEntry->fInfo = VBOX_SHCL_INFO_FLAG_FSOBJINFO;
1924 }
1925 }
1926 else
1927 rc = VERR_NO_MEMORY;
1928 }
1929
1930 break;
1931 }
1932
1933 default:
1934 rc = VERR_NOT_SUPPORTED;
1935 break;
1936 }
1937 }
1938 else
1939 rc = VERR_NOT_FOUND;
1940 }
1941 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
1942 {
1943 if (pTransfer->ProviderIface.pfnListEntryRead)
1944 rc = pTransfer->ProviderIface.pfnListEntryRead(&pTransfer->ProviderCtx, hList, pEntry);
1945 else
1946 rc = VERR_NOT_SUPPORTED;
1947 }
1948
1949 LogFlowFuncLeaveRC(rc);
1950 return rc;
1951}
1952
1953int ShClTransferListWrite(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList,
1954 PSHCLLISTENTRY pEntry)
1955{
1956 RT_NOREF(pTransfer, hList, pEntry);
1957
1958 int rc = VINF_SUCCESS;
1959
1960#if 0
1961 if (pTransfer->ProviderIface.pfnListEntryWrite)
1962 rc = pTransfer->ProviderIface.pfnListEntryWrite(&pTransfer->ProviderCtx, hList, pEntry);
1963#endif
1964
1965 LogFlowFuncLeaveRC(rc);
1966 return rc;
1967}
1968
1969/**
1970 * Returns whether a given list handle is valid or not.
1971 *
1972 * @returns \c true if list handle is valid, \c false if not.
1973 * @param pTransfer Clipboard transfer to handle.
1974 * @param hList List handle to check.
1975 */
1976bool ShClTransferListHandleIsValid(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList)
1977{
1978 bool fIsValid = false;
1979
1980 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
1981 {
1982 fIsValid = sharedClipboardTransferListGetByHandle(pTransfer, hList) != NULL;
1983 }
1984 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
1985 {
1986 AssertFailed(); /** @todo Implement. */
1987 }
1988
1989 return fIsValid;
1990}
1991
1992/**
1993 * Sets the transfer provider interface for a given transfer.
1994 *
1995 * @returns VBox status code.
1996 * @param pTransfer Transfer to create transfer provider for.
1997 * @param pCreationCtx Provider creation context to use for provider creation.
1998 */
1999int ShClTransferSetInterface(PSHCLTRANSFER pTransfer,
2000 PSHCLPROVIDERCREATIONCTX pCreationCtx)
2001{
2002 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2003 AssertPtrReturn(pCreationCtx, VERR_INVALID_POINTER);
2004
2005 LogFlowFuncEnter();
2006
2007 int rc = VINF_SUCCESS;
2008
2009 pTransfer->ProviderIface = pCreationCtx->Interface;
2010
2011#ifdef DEBUG
2012# define LOG_IFACE_PTR(a_Name) \
2013 LogFlowFunc(( #a_Name "=%p\n", pTransfer->ProviderIface.a_Name));
2014
2015 LOG_IFACE_PTR(pfnTransferOpen);
2016 LOG_IFACE_PTR(pfnTransferClose);
2017 LOG_IFACE_PTR(pfnRootsGet);
2018 LOG_IFACE_PTR(pfnListOpen);
2019 LOG_IFACE_PTR(pfnListClose);
2020
2021# undef LOG_IFACE_PTR
2022#endif
2023
2024 pTransfer->ProviderCtx.pTransfer = pTransfer;
2025 pTransfer->ProviderCtx.pvUser = pCreationCtx->pvUser;
2026
2027 LogFlowFuncLeaveRC(rc);
2028 return rc;
2029}
2030
2031/**
2032 * Clears (resets) the root list of a shared Clipboard transfer.
2033 *
2034 * @param pTransfer Transfer to clear transfer root list for.
2035 */
2036static void sharedClipboardTransferListRootsClear(PSHCLTRANSFER pTransfer)
2037{
2038 AssertPtrReturnVoid(pTransfer);
2039
2040 if (pTransfer->pszPathRootAbs)
2041 {
2042 RTStrFree(pTransfer->pszPathRootAbs);
2043 pTransfer->pszPathRootAbs = NULL;
2044 }
2045
2046 PSHCLLISTROOT pListRoot, pListRootNext;
2047 RTListForEachSafe(&pTransfer->lstRoots, pListRoot, pListRootNext, SHCLLISTROOT, Node)
2048 {
2049 RTStrFree(pListRoot->pszPathAbs);
2050
2051 RTListNodeRemove(&pListRoot->Node);
2052
2053 RTMemFree(pListRoot);
2054 pListRoot = NULL;
2055 }
2056
2057 pTransfer->cRoots = 0;
2058}
2059
2060/**
2061 * Resets a shared Clipboard transfer.
2062 *
2063 * @param pTransfer Clipboard transfer to reset.
2064 */
2065void ShClTransferReset(PSHCLTRANSFER pTransfer)
2066{
2067 AssertPtrReturnVoid(pTransfer);
2068
2069 LogFlowFuncEnter();
2070
2071 sharedClipboardTransferListRootsClear(pTransfer);
2072}
2073
2074/**
2075 * Returns the clipboard area for a Shared Clipboard transfer.
2076 *
2077 * @returns Current clipboard area, or NULL if none.
2078 * @param pTransfer Clipboard transfer to return clipboard area for.
2079 */
2080SharedClipboardArea *ShClTransferGetArea(PSHCLTRANSFER pTransfer)
2081{
2082 AssertPtrReturn(pTransfer, NULL);
2083
2084 return pTransfer->pArea;
2085}
2086
2087/**
2088 * Returns the number of transfer root list entries.
2089 *
2090 * @returns Root list entry count.
2091 * @param pTransfer Clipboard transfer to return root entry count for.
2092 */
2093uint32_t ShClTransferRootsCount(PSHCLTRANSFER pTransfer)
2094{
2095 AssertPtrReturn(pTransfer, 0);
2096
2097 return (uint32_t)pTransfer->cRoots;
2098}
2099
2100/**
2101 * Returns a specific root list entry of a transfer.
2102 *
2103 * @returns Pointer to root list entry if found, or NULL if not found.
2104 * @param pTransfer Clipboard transfer to get root list entry from.
2105 * @param uIdx Index of root list entry to return.
2106 */
2107inline PSHCLLISTROOT sharedClipboardTransferRootsGetInternal(PSHCLTRANSFER pTransfer, uint32_t uIdx)
2108{
2109 if (uIdx >= pTransfer->cRoots)
2110 return NULL;
2111
2112 PSHCLLISTROOT pIt = RTListGetFirst(&pTransfer->lstRoots, SHCLLISTROOT, Node);
2113 while (uIdx--) /** @todo Slow, but works for now. */
2114 pIt = RTListGetNext(&pTransfer->lstRoots, pIt, SHCLLISTROOT, Node);
2115
2116 return pIt;
2117}
2118
2119/**
2120 * Get a specific root list entry.
2121 *
2122 * @returns VBox status code.
2123 * @param pTransfer Clipboard transfer to get root list entry of.
2124 * @param uIndex Index (zero-based) of entry to get.
2125 * @param pEntry Where to store the returned entry on success.
2126 */
2127int ShClTransferRootsEntry(PSHCLTRANSFER pTransfer,
2128 uint64_t uIndex, PSHCLROOTLISTENTRY pEntry)
2129{
2130 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2131 AssertPtrReturn(pEntry, VERR_INVALID_POINTER);
2132
2133 if (uIndex >= pTransfer->cRoots)
2134 return VERR_INVALID_PARAMETER;
2135
2136 int rc;
2137
2138 PSHCLLISTROOT pRoot = sharedClipboardTransferRootsGetInternal(pTransfer, uIndex);
2139 AssertPtrReturn(pRoot, VERR_INVALID_PARAMETER);
2140
2141 /* Make sure that we only advertise relative source paths, not absolute ones. */
2142 const char *pcszSrcPath = pRoot->pszPathAbs;
2143
2144 char *pszFileName = RTPathFilename(pcszSrcPath);
2145 if (pszFileName)
2146 {
2147 Assert(pszFileName >= pcszSrcPath);
2148 size_t cchDstBase = pszFileName - pcszSrcPath;
2149 const char *pszDstPath = &pcszSrcPath[cchDstBase];
2150
2151 LogFlowFunc(("pcszSrcPath=%s, pszDstPath=%s\n", pcszSrcPath, pszDstPath));
2152
2153 rc = ShClTransferListEntryInit(pEntry);
2154 if (RT_SUCCESS(rc))
2155 {
2156 rc = RTStrCopy(pEntry->pszName, pEntry->cbName, pszDstPath);
2157 if (RT_SUCCESS(rc))
2158 {
2159 pEntry->cbInfo = sizeof(SHCLFSOBJINFO);
2160 pEntry->pvInfo = (PSHCLFSOBJINFO)RTMemAlloc(pEntry->cbInfo);
2161 if (pEntry->pvInfo)
2162 {
2163 RTFSOBJINFO fsObjInfo;
2164 rc = RTPathQueryInfo(pcszSrcPath, &fsObjInfo, RTFSOBJATTRADD_NOTHING);
2165 if (RT_SUCCESS(rc))
2166 {
2167 ShClFsObjFromIPRT(PSHCLFSOBJINFO(pEntry->pvInfo), &fsObjInfo);
2168
2169 pEntry->fInfo = VBOX_SHCL_INFO_FLAG_FSOBJINFO;
2170 }
2171 }
2172 else
2173 rc = VERR_NO_MEMORY;
2174 }
2175 }
2176 }
2177 else
2178 rc = VERR_INVALID_POINTER;
2179
2180 LogFlowFuncLeaveRC(rc);
2181 return rc;
2182}
2183
2184/**
2185 * Returns the root entries of a shared Clipboard transfer.
2186 *
2187 * @returns VBox status code.
2188 * @param pTransfer Clipboard transfer to return root entries for.
2189 * @param ppRootList Where to store the root list on success.
2190 */
2191int ShClTransferRootsGet(PSHCLTRANSFER pTransfer, PSHCLROOTLIST *ppRootList)
2192{
2193 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2194 AssertPtrReturn(ppRootList, VERR_INVALID_POINTER);
2195
2196 LogFlowFuncEnter();
2197
2198 int rc = VINF_SUCCESS;
2199
2200 if (pTransfer->State.enmSource == SHCLSOURCE_LOCAL)
2201 {
2202 PSHCLROOTLIST pRootList = ShClTransferRootListAlloc();
2203 if (!pRootList)
2204 return VERR_NO_MEMORY;
2205
2206 const uint64_t cRoots = (uint32_t)pTransfer->cRoots;
2207
2208 LogFlowFunc(("cRoots=%RU64\n", cRoots));
2209
2210 if (cRoots)
2211 {
2212 PSHCLROOTLISTENTRY paRootListEntries
2213 = (PSHCLROOTLISTENTRY)RTMemAllocZ(cRoots * sizeof(SHCLROOTLISTENTRY));
2214 if (paRootListEntries)
2215 {
2216 for (uint64_t i = 0; i < cRoots; ++i)
2217 {
2218 rc = ShClTransferRootsEntry(pTransfer, i, &paRootListEntries[i]);
2219 if (RT_FAILURE(rc))
2220 break;
2221 }
2222
2223 if (RT_SUCCESS(rc))
2224 pRootList->paEntries = paRootListEntries;
2225 }
2226 else
2227 rc = VERR_NO_MEMORY;
2228 }
2229 else
2230 rc = VERR_NOT_FOUND;
2231
2232 if (RT_SUCCESS(rc))
2233 {
2234 pRootList->Hdr.cRoots = cRoots;
2235 pRootList->Hdr.fRoots = 0; /** @todo Implement this. */
2236
2237 *ppRootList = pRootList;
2238 }
2239 }
2240 else if (pTransfer->State.enmSource == SHCLSOURCE_REMOTE)
2241 {
2242 if (pTransfer->ProviderIface.pfnRootsGet)
2243 rc = pTransfer->ProviderIface.pfnRootsGet(&pTransfer->ProviderCtx, ppRootList);
2244 else
2245 rc = VERR_NOT_SUPPORTED;
2246 }
2247
2248 LogFlowFuncLeaveRC(rc);
2249 return rc;
2250}
2251
2252
2253/**
2254 * Sets transfer root list entries for a given transfer.
2255 *
2256 * @returns VBox status code.
2257 * @param pTransfer Transfer to set transfer list entries for.
2258 * @param pszRoots String list (separated by CRLF) of root entries to set.
2259 * All entries must have the same root path.
2260 * @param cbRoots Size (in bytes) of string list.
2261 */
2262int ShClTransferRootsSet(PSHCLTRANSFER pTransfer, const char *pszRoots, size_t cbRoots)
2263{
2264 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2265 AssertPtrReturn(pszRoots, VERR_INVALID_POINTER);
2266 AssertReturn(cbRoots, VERR_INVALID_PARAMETER);
2267
2268 if (!RTStrIsValidEncoding(pszRoots))
2269 return VERR_INVALID_PARAMETER;
2270
2271 int rc = VINF_SUCCESS;
2272
2273 sharedClipboardTransferListRootsClear(pTransfer);
2274
2275 char *pszPathRootAbs = NULL;
2276
2277 RTCList<RTCString> lstRootEntries = RTCString(pszRoots, cbRoots - 1).split("\r\n");
2278 for (size_t i = 0; i < lstRootEntries.size(); ++i)
2279 {
2280 PSHCLLISTROOT pListRoot = (PSHCLLISTROOT)RTMemAlloc(sizeof(SHCLLISTROOT));
2281 AssertPtrBreakStmt(pListRoot, rc = VERR_NO_MEMORY);
2282
2283 pListRoot->pszPathAbs = RTStrDup(lstRootEntries.at(i).c_str());
2284 AssertPtrBreakStmt(pListRoot->pszPathAbs, rc = VERR_NO_MEMORY);
2285
2286 if (!pszPathRootAbs)
2287 {
2288 pszPathRootAbs = RTStrDup(pListRoot->pszPathAbs);
2289 if (pszPathRootAbs)
2290 {
2291 RTPathStripFilename(pszPathRootAbs);
2292 LogFlowFunc(("pszPathRootAbs=%s\n", pszPathRootAbs));
2293 }
2294 else
2295 rc = VERR_NO_MEMORY;
2296 }
2297
2298 if (RT_FAILURE(rc))
2299 break;
2300
2301 /* Make sure all entries have the same root path. */
2302 if (!RTStrStartsWith(pListRoot->pszPathAbs, pszPathRootAbs))
2303 {
2304 rc = VERR_INVALID_PARAMETER;
2305 break;
2306 }
2307
2308 RTListAppend(&pTransfer->lstRoots, &pListRoot->Node);
2309
2310 pTransfer->cRoots++;
2311 }
2312
2313 /** @todo Entry rollback on failure? */
2314
2315 if (RT_SUCCESS(rc))
2316 {
2317 pTransfer->pszPathRootAbs = pszPathRootAbs;
2318 LogFlowFunc(("pszPathRootAbs=%s, cRoots=%zu\n", pTransfer->pszPathRootAbs, pTransfer->cRoots));
2319 }
2320
2321 LogFlowFuncLeaveRC(rc);
2322 return rc;
2323}
2324
2325/**
2326 * Returns the transfer's ID.
2327 *
2328 * @returns The transfer's ID.
2329 * @param pTransfer Clipboard transfer to return ID for.
2330 */
2331SHCLTRANSFERID ShClTransferGetID(PSHCLTRANSFER pTransfer)
2332{
2333 AssertPtrReturn(pTransfer, 0);
2334
2335 return pTransfer->State.uID;
2336}
2337
2338/**
2339 * Returns the transfer's direction.
2340 *
2341 * @returns The transfer's direction.
2342 * @param pTransfer Clipboard transfer to return direction for.
2343 */
2344SHCLTRANSFERDIR ShClTransferGetDir(PSHCLTRANSFER pTransfer)
2345{
2346 AssertPtrReturn(pTransfer, SHCLTRANSFERDIR_UNKNOWN);
2347
2348 return pTransfer->State.enmDir;
2349}
2350
2351/**
2352 * Returns the transfer's source.
2353 *
2354 * @returns The transfer's source.
2355 * @param pTransfer Clipboard transfer to return source for.
2356 */
2357SHCLSOURCE ShClTransferGetSource(PSHCLTRANSFER pTransfer)
2358{
2359 AssertPtrReturn(pTransfer, SHCLSOURCE_INVALID);
2360
2361 return pTransfer->State.enmSource;
2362}
2363
2364/**
2365 * Returns the current transfer status.
2366 *
2367 * @returns Current transfer status.
2368 * @param pTransfer Clipboard transfer to return status for.
2369 */
2370SHCLTRANSFERSTATUS ShClTransferGetStatus(PSHCLTRANSFER pTransfer)
2371{
2372 AssertPtrReturn(pTransfer, SHCLTRANSFERSTATUS_NONE);
2373
2374 return pTransfer->State.enmStatus;
2375}
2376
2377/**
2378 * Runs a started Shared Clipboard transfer in a dedicated thread.
2379 *
2380 * @returns VBox status code.
2381 * @param pTransfer Clipboard transfer to run.
2382 * @param pfnThreadFunc Pointer to thread function to use.
2383 * @param pvUser Pointer to user-provided data. Optional.
2384 */
2385int ShClTransferRun(PSHCLTRANSFER pTransfer, PFNRTTHREAD pfnThreadFunc, void *pvUser)
2386{
2387 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2388 AssertPtrReturn(pfnThreadFunc, VERR_INVALID_POINTER);
2389 /* pvUser is optional. */
2390
2391 AssertMsgReturn(pTransfer->State.enmStatus == SHCLTRANSFERSTATUS_STARTED,
2392 ("Wrong status (currently is %s)\n", ShClTransferStatusToStr(pTransfer->State.enmStatus)),
2393 VERR_WRONG_ORDER);
2394
2395 int rc = sharedClipboardTransferThreadCreate(pTransfer, pfnThreadFunc, pvUser);
2396
2397 LogFlowFuncLeaveRC(rc);
2398 return rc;
2399}
2400
2401/**
2402 * Starts an initialized transfer.
2403 *
2404 * @returns VBox status code.
2405 * @param pTransfer Clipboard transfer to start.
2406 */
2407int ShClTransferStart(PSHCLTRANSFER pTransfer)
2408{
2409 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2410
2411 LogFlowFuncEnter();
2412
2413 /* Ready to start? */
2414 AssertMsgReturn(pTransfer->State.enmStatus == SHCLTRANSFERSTATUS_INITIALIZED,
2415 ("Wrong status (currently is %s)\n", ShClTransferStatusToStr(pTransfer->State.enmStatus)),
2416 VERR_WRONG_ORDER);
2417
2418 int rc;
2419
2420 if (pTransfer->Callbacks.pfnTransferStart)
2421 {
2422 SHCLTRANSFERCALLBACKDATA Data = { pTransfer, pTransfer->Callbacks.pvUser, pTransfer->Callbacks.cbUser };
2423 rc = pTransfer->Callbacks.pfnTransferStart(&Data);
2424 }
2425 else
2426 rc = VINF_SUCCESS;
2427
2428 if (RT_SUCCESS(rc))
2429 {
2430 pTransfer->State.enmStatus = SHCLTRANSFERSTATUS_STARTED;
2431 }
2432
2433 LogFlowFuncLeaveRC(rc);
2434 return rc;
2435}
2436
2437/**
2438 * Sets or unsets the callback table to be used for a Shared Clipboard transfer.
2439 *
2440 * @returns VBox status code.
2441 * @param pTransfer Clipboard transfer to set callbacks for.
2442 * @param pCallbacks Pointer to callback table to set.
2443 */
2444void ShClTransferSetCallbacks(PSHCLTRANSFER pTransfer,
2445 PSHCLTRANSFERCALLBACKS pCallbacks)
2446{
2447 AssertPtrReturnVoid(pTransfer);
2448 AssertPtrReturnVoid(pCallbacks);
2449
2450 LogFlowFunc(("pCallbacks=%p\n", pCallbacks));
2451
2452#define SET_CALLBACK(a_pfnCallback) \
2453 if (pCallbacks->a_pfnCallback) \
2454 pTransfer->Callbacks.a_pfnCallback = pCallbacks->a_pfnCallback
2455
2456 SET_CALLBACK(pfnTransferInitialize);
2457 SET_CALLBACK(pfnTransferStart);
2458 SET_CALLBACK(pfnListHeaderComplete);
2459 SET_CALLBACK(pfnListEntryComplete);
2460 SET_CALLBACK(pfnTransferCanceled);
2461 SET_CALLBACK(pfnTransferError);
2462
2463#undef SET_CALLBACK
2464
2465 pTransfer->Callbacks.pvUser = pCallbacks->pvUser;
2466 pTransfer->Callbacks.cbUser = pCallbacks->cbUser;
2467}
2468
2469/**
2470 * Creates a thread for a Shared Clipboard transfer.
2471 *
2472 * @returns VBox status code.
2473 * @param pTransfer Clipboard transfer to create thread for.
2474 * @param pfnThreadFunc Thread function to use for this transfer.
2475 * @param pvUser Pointer to user-provided data.
2476 */
2477static int sharedClipboardTransferThreadCreate(PSHCLTRANSFER pTransfer, PFNRTTHREAD pfnThreadFunc, void *pvUser)
2478
2479{
2480 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2481
2482 /* Already marked for stopping? */
2483 AssertMsgReturn(pTransfer->Thread.fStop == false,
2484 ("Thransfer thread already marked for stopping"), VERR_WRONG_ORDER);
2485 /* Already started? */
2486 AssertMsgReturn(pTransfer->Thread.fStarted == false,
2487 ("Thransfer thread already started"), VERR_WRONG_ORDER);
2488
2489 /* Spawn a worker thread, so that we don't block the window thread for too long. */
2490 int rc = RTThreadCreate(&pTransfer->Thread.hThread, pfnThreadFunc,
2491 pvUser, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE,
2492 "shclp");
2493 if (RT_SUCCESS(rc))
2494 {
2495 int rc2 = RTThreadUserWait(pTransfer->Thread.hThread, 30 * 1000 /* Timeout in ms */);
2496 AssertRC(rc2);
2497
2498 if (pTransfer->Thread.fStarted) /* Did the thread indicate that it started correctly? */
2499 {
2500 /* Nothing to do in here. */
2501 }
2502 else
2503 rc = VERR_GENERAL_FAILURE; /** @todo Find a better rc. */
2504 }
2505
2506 LogFlowFuncLeaveRC(rc);
2507 return rc;
2508}
2509
2510/**
2511 * Destroys a thread of a Shared Clipboard transfer.
2512 *
2513 * @returns VBox status code.
2514 * @param pTransfer Clipboard transfer to destroy thread for.
2515 * @param uTimeoutMs Timeout (in ms) to wait for thread creation.
2516 */
2517static int sharedClipboardTransferThreadDestroy(PSHCLTRANSFER pTransfer, RTMSINTERVAL uTimeoutMs)
2518{
2519 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2520
2521 if (pTransfer->Thread.hThread == NIL_RTTHREAD)
2522 return VINF_SUCCESS;
2523
2524 LogFlowFuncEnter();
2525
2526 /* Set stop indicator. */
2527 pTransfer->Thread.fStop = true;
2528
2529 int rcThread = VERR_WRONG_ORDER;
2530 int rc = RTThreadWait(pTransfer->Thread.hThread, uTimeoutMs, &rcThread);
2531
2532 LogFlowFunc(("Waiting for thread resulted in %Rrc (thread exited with %Rrc)\n", rc, rcThread));
2533
2534 return rc;
2535}
2536
2537/**
2538 * Initializes a Shared Clipboard transfer context.
2539 *
2540 * @returns VBox status code.
2541 * @param pTransferCtx Transfer context to initialize.
2542 */
2543int ShClTransferCtxInit(PSHCLTRANSFERCTX pTransferCtx)
2544{
2545 AssertPtrReturn(pTransferCtx, VERR_INVALID_POINTER);
2546
2547 LogFlowFunc(("pTransferCtx=%p\n", pTransferCtx));
2548
2549 int rc = RTCritSectInit(&pTransferCtx->CritSect);
2550 if (RT_SUCCESS(rc))
2551 {
2552 RTListInit(&pTransferCtx->List);
2553
2554 pTransferCtx->cTransfers = 0;
2555 pTransferCtx->cRunning = 0;
2556 pTransferCtx->cMaxRunning = UINT16_MAX; /** @todo Make this configurable? */
2557
2558 RT_ZERO(pTransferCtx->bmTransferIds);
2559
2560 ShClTransferCtxReset(pTransferCtx);
2561 }
2562
2563 return VINF_SUCCESS;
2564}
2565
2566/**
2567 * Destroys a shared Clipboard transfer context struct.
2568 *
2569 * @param pTransferCtx Transfer context to destroy.
2570 */
2571void ShClTransferCtxDestroy(PSHCLTRANSFERCTX pTransferCtx)
2572{
2573 AssertPtrReturnVoid(pTransferCtx);
2574
2575 LogFlowFunc(("pTransferCtx=%p\n", pTransferCtx));
2576
2577 if (RTCritSectIsInitialized(&pTransferCtx->CritSect))
2578 RTCritSectDelete(&pTransferCtx->CritSect);
2579
2580 PSHCLTRANSFER pTransfer, pTransferNext;
2581 RTListForEachSafe(&pTransferCtx->List, pTransfer, pTransferNext, SHCLTRANSFER, Node)
2582 {
2583 ShClTransferDestroy(pTransfer);
2584
2585 RTListNodeRemove(&pTransfer->Node);
2586
2587 RTMemFree(pTransfer);
2588 pTransfer = NULL;
2589 }
2590
2591 pTransferCtx->cRunning = 0;
2592 pTransferCtx->cTransfers = 0;
2593}
2594
2595/**
2596 * Resets a shared Clipboard transfer.
2597 *
2598 * @param pTransferCtx Transfer context to reset.
2599 */
2600void ShClTransferCtxReset(PSHCLTRANSFERCTX pTransferCtx)
2601{
2602 AssertPtrReturnVoid(pTransferCtx);
2603
2604 LogFlowFuncEnter();
2605
2606 PSHCLTRANSFER pTransfer;
2607 RTListForEach(&pTransferCtx->List, pTransfer, SHCLTRANSFER, Node)
2608 ShClTransferReset(pTransfer);
2609}
2610
2611/**
2612 * Returns a specific Shared Clipboard transfer, internal version.
2613 *
2614 * @returns Shared Clipboard transfer, or NULL if not found.
2615 * @param pTransferCtx Transfer context to return transfer for.
2616 * @param uID ID of the transfer to return.
2617 */
2618static PSHCLTRANSFER sharedClipboardTransferCtxGetTransferInternal(PSHCLTRANSFERCTX pTransferCtx, uint32_t uID)
2619{
2620 PSHCLTRANSFER pTransfer;
2621 RTListForEach(&pTransferCtx->List, pTransfer, SHCLTRANSFER, Node) /** @todo Slow, but works for now. */
2622 {
2623 if (pTransfer->State.uID == uID)
2624 return pTransfer;
2625 }
2626
2627 return NULL;
2628}
2629
2630/**
2631 * Returns a specific Shared Clipboard transfer.
2632 *
2633 * @returns Shared Clipboard transfer, or NULL if not found.
2634 * @param pTransferCtx Transfer context to return transfer for.
2635 * @param uID ID of the transfer to return.
2636 */
2637PSHCLTRANSFER ShClTransferCtxGetTransfer(PSHCLTRANSFERCTX pTransferCtx, uint32_t uID)
2638{
2639 return sharedClipboardTransferCtxGetTransferInternal(pTransferCtx, uID);
2640}
2641
2642/**
2643 * Returns the number of running Shared Clipboard transfers.
2644 *
2645 * @returns Number of running transfers.
2646 * @param pTransferCtx Transfer context to return number for.
2647 */
2648uint32_t ShClTransferCtxGetRunningTransfers(PSHCLTRANSFERCTX pTransferCtx)
2649{
2650 AssertPtrReturn(pTransferCtx, 0);
2651 return pTransferCtx->cRunning;
2652}
2653
2654/**
2655 * Returns the number of total Shared Clipboard transfers.
2656 *
2657 * @returns Number of total transfers.
2658 * @param pTransferCtx Transfer context to return number for.
2659 */
2660uint32_t ShClTransferCtxGetTotalTransfers(PSHCLTRANSFERCTX pTransferCtx)
2661{
2662 AssertPtrReturn(pTransferCtx, 0);
2663 return pTransferCtx->cTransfers;
2664}
2665
2666/**
2667 * Registers a shared Clipboard transfer with a transfer context, i.e. allocates a transfer ID.
2668 *
2669 * @return VBox status code.
2670 * @retval VERR_SHCLPB_MAX_TRANSFERS_REACHED if the maximum of concurrent transfers
2671 * is reached.
2672 * @param pTransferCtx Transfer context to register transfer to.
2673 * @param pTransfer Transfer to register.
2674 * @param pidTransfer Where to return the transfer ID on success. Optional.
2675 */
2676int ShClTransferCtxTransferRegister(PSHCLTRANSFERCTX pTransferCtx, PSHCLTRANSFER pTransfer, uint32_t *pidTransfer)
2677{
2678 AssertPtrReturn(pTransferCtx, VERR_INVALID_POINTER);
2679 AssertPtrReturn(pTransfer, VERR_INVALID_POINTER);
2680 /* pidTransfer is optional. */
2681
2682 /*
2683 * Pick a random bit as starting point. If it's in use, search forward
2684 * for a free one, wrapping around. We've reserved both the zero'th and
2685 * max-1 IDs.
2686 */
2687 uint32_t idTransfer = RTRandU32Ex(1, VBOX_SHCL_MAX_TRANSFERS - 2);
2688
2689 if (!ASMBitTestAndSet(&pTransferCtx->bmTransferIds[0], idTransfer))
2690 { /* likely */ }
2691 else if (pTransferCtx->cTransfers < VBOX_SHCL_MAX_TRANSFERS - 2 /* First and last are not used */)
2692 {
2693 /* Forward search. */
2694 int iHit = ASMBitNextClear(&pTransferCtx->bmTransferIds[0], VBOX_SHCL_MAX_TRANSFERS, idTransfer);
2695 if (iHit < 0)
2696 iHit = ASMBitFirstClear(&pTransferCtx->bmTransferIds[0], VBOX_SHCL_MAX_TRANSFERS);
2697 AssertLogRelMsgReturn(iHit >= 0, ("Transfer count: %RU16\n", pTransferCtx->cTransfers), VERR_SHCLPB_MAX_TRANSFERS_REACHED);
2698 idTransfer = iHit;
2699 AssertLogRelMsgReturn(!ASMBitTestAndSet(&pTransferCtx->bmTransferIds[0], idTransfer), ("idObject=%#x\n", idTransfer), VERR_INTERNAL_ERROR_2);
2700 }
2701 else
2702 {
2703 LogFunc(("Maximum number of transfers reached (%RU16 transfers)\n", pTransferCtx->cTransfers));
2704 return VERR_SHCLPB_MAX_TRANSFERS_REACHED;
2705 }
2706
2707 Log2Func(("pTransfer=%p, idTransfer=%RU32 (%RU16 transfers)\n", pTransfer, idTransfer, pTransferCtx->cTransfers));
2708
2709 RTListAppend(&pTransferCtx->List, &pTransfer->Node);
2710
2711 pTransferCtx->cTransfers++;
2712
2713 if (pidTransfer)
2714 *pidTransfer = idTransfer;
2715
2716 return VINF_SUCCESS;
2717}
2718
2719/**
2720 * Registers a shared Clipboard transfer with a transfer contextby specifying an ID for the transfer.
2721 *
2722 * @return VBox status code.
2723 * @retval VERR_ALREADY_EXISTS if a transfer with the given ID already exists.
2724 * @retval VERR_SHCLPB_MAX_TRANSFERS_REACHED if the maximum of concurrent transfers for this context has been reached.
2725 * @param pTransferCtx Transfer context to register transfer to.
2726 * @param pTransfer Transfer to register.
2727 * @param idTransfer Transfer ID to use for registration.
2728 */
2729int ShClTransferCtxTransferRegisterByIndex(PSHCLTRANSFERCTX pTransferCtx, PSHCLTRANSFER pTransfer, uint32_t idTransfer)
2730{
2731 LogFlowFunc(("cTransfers=%RU16, idTransfer=%RU32\n", pTransferCtx->cTransfers, idTransfer));
2732
2733 if (pTransferCtx->cTransfers < VBOX_SHCL_MAX_TRANSFERS - 2 /* First and last are not used */)
2734 {
2735 if (!ASMBitTestAndSet(&pTransferCtx->bmTransferIds[0], idTransfer))
2736 {
2737 RTListAppend(&pTransferCtx->List, &pTransfer->Node);
2738
2739 pTransferCtx->cTransfers++;
2740 return VINF_SUCCESS;
2741 }
2742
2743 return VERR_ALREADY_EXISTS;
2744 }
2745
2746 LogFunc(("Maximum number of transfers reached (%RU16 transfers)\n", pTransferCtx->cTransfers));
2747 return VERR_SHCLPB_MAX_TRANSFERS_REACHED;
2748}
2749
2750/**
2751 * Unregisters a transfer from an Transfer context.
2752 *
2753 * @retval VINF_SUCCESS on success.
2754 * @retval VERR_NOT_FOUND if the transfer ID was not found.
2755 * @param pTransferCtx Transfer context to unregister transfer from.
2756 * @param idTransfer Transfer ID to unregister.
2757 */
2758int ShClTransferCtxTransferUnregister(PSHCLTRANSFERCTX pTransferCtx, uint32_t idTransfer)
2759{
2760 int rc = VINF_SUCCESS;
2761 AssertMsgStmt(ASMBitTestAndClear(&pTransferCtx->bmTransferIds, idTransfer), ("idTransfer=%#x\n", idTransfer), rc = VERR_NOT_FOUND);
2762
2763 PSHCLTRANSFER pTransfer = sharedClipboardTransferCtxGetTransferInternal(pTransferCtx, idTransfer);
2764 if (pTransfer)
2765 {
2766 RTListNodeRemove(&pTransfer->Node);
2767
2768 Assert(pTransferCtx->cTransfers);
2769 pTransferCtx->cTransfers--;
2770 }
2771 else
2772 rc = VERR_NOT_FOUND;
2773
2774 LogFlowFunc(("idTransfer=%RU32, rc=%Rrc\n", idTransfer, rc));
2775 return rc;
2776}
2777
2778/**
2779 * Cleans up all associated transfers which are not needed (anymore).
2780 * This can be due to transfers which only have been announced but not / never being run.
2781 *
2782 * @param pTransferCtx Transfer context to cleanup transfers for.
2783 */
2784void ShClTransferCtxCleanup(PSHCLTRANSFERCTX pTransferCtx)
2785{
2786 AssertPtrReturnVoid(pTransferCtx);
2787
2788 LogFlowFunc(("pTransferCtx=%p, cTransfers=%RU16 cRunning=%RU16\n",
2789 pTransferCtx, pTransferCtx->cTransfers, pTransferCtx->cRunning));
2790
2791 if (pTransferCtx->cTransfers == 0)
2792 return;
2793
2794 /* Remove all transfers which are not in a running state (e.g. only announced). */
2795 PSHCLTRANSFER pTransfer, pTransferNext;
2796 RTListForEachSafe(&pTransferCtx->List, pTransfer, pTransferNext, SHCLTRANSFER, Node)
2797 {
2798 if (ShClTransferGetStatus(pTransfer) != SHCLTRANSFERSTATUS_STARTED)
2799 {
2800 ShClTransferDestroy(pTransfer);
2801 RTListNodeRemove(&pTransfer->Node);
2802
2803 RTMemFree(pTransfer);
2804 pTransfer = NULL;
2805
2806 Assert(pTransferCtx->cTransfers);
2807 pTransferCtx->cTransfers--;
2808 }
2809 }
2810}
2811
2812/**
2813 * Returns whether the maximum of concurrent transfers of a specific transfer contexthas been reached or not.
2814 *
2815 * @returns \c if maximum has been reached, \c false if not.
2816 * @param pTransferCtx Transfer context to determine value for.
2817 */
2818bool ShClTransferCtxTransfersMaximumReached(PSHCLTRANSFERCTX pTransferCtx)
2819{
2820 AssertPtrReturn(pTransferCtx, true);
2821
2822 LogFlowFunc(("cRunning=%RU32, cMaxRunning=%RU32\n", pTransferCtx->cRunning, pTransferCtx->cMaxRunning));
2823
2824 Assert(pTransferCtx->cRunning <= pTransferCtx->cMaxRunning);
2825 return pTransferCtx->cRunning == pTransferCtx->cMaxRunning;
2826}
2827
2828/**
2829 * Copies file system objinfo from IPRT to Shared Clipboard format.
2830 *
2831 * @param pDst The Shared Clipboard structure to convert data to.
2832 * @param pSrc The IPRT structure to convert data from.
2833 */
2834void ShClFsObjFromIPRT(PSHCLFSOBJINFO pDst, PCRTFSOBJINFO pSrc)
2835{
2836 pDst->cbObject = pSrc->cbObject;
2837 pDst->cbAllocated = pSrc->cbAllocated;
2838 pDst->AccessTime = pSrc->AccessTime;
2839 pDst->ModificationTime = pSrc->ModificationTime;
2840 pDst->ChangeTime = pSrc->ChangeTime;
2841 pDst->BirthTime = pSrc->BirthTime;
2842 pDst->Attr.fMode = pSrc->Attr.fMode;
2843 /* Clear bits which we don't pass through for security reasons. */
2844 pDst->Attr.fMode &= ~(RTFS_UNIX_ISUID | RTFS_UNIX_ISGID | RTFS_UNIX_ISTXT);
2845 RT_ZERO(pDst->Attr.u);
2846 switch (pSrc->Attr.enmAdditional)
2847 {
2848 default:
2849 case RTFSOBJATTRADD_NOTHING:
2850 pDst->Attr.enmAdditional = SHCLFSOBJATTRADD_NOTHING;
2851 break;
2852
2853 case RTFSOBJATTRADD_UNIX:
2854 pDst->Attr.enmAdditional = SHCLFSOBJATTRADD_UNIX;
2855 pDst->Attr.u.Unix.uid = pSrc->Attr.u.Unix.uid;
2856 pDst->Attr.u.Unix.gid = pSrc->Attr.u.Unix.gid;
2857 pDst->Attr.u.Unix.cHardlinks = pSrc->Attr.u.Unix.cHardlinks;
2858 pDst->Attr.u.Unix.INodeIdDevice = pSrc->Attr.u.Unix.INodeIdDevice;
2859 pDst->Attr.u.Unix.INodeId = pSrc->Attr.u.Unix.INodeId;
2860 pDst->Attr.u.Unix.fFlags = pSrc->Attr.u.Unix.fFlags;
2861 pDst->Attr.u.Unix.GenerationId = pSrc->Attr.u.Unix.GenerationId;
2862 pDst->Attr.u.Unix.Device = pSrc->Attr.u.Unix.Device;
2863 break;
2864
2865 case RTFSOBJATTRADD_EASIZE:
2866 pDst->Attr.enmAdditional = SHCLFSOBJATTRADD_EASIZE;
2867 pDst->Attr.u.EASize.cb = pSrc->Attr.u.EASize.cb;
2868 break;
2869 }
2870}
2871
2872/**
2873 * Converts Shared Clipboard create flags (see SharedClipboard-transfers.h) into IPRT create flags.
2874 *
2875 * @returns IPRT status code.
2876 * @param fWritable Whether the object is writable.
2877 * @param fShClFlags Shared clipboard create flags.
2878 * @param fMode File attributes.
2879 * @param handleInitial Initial handle.
2880 * @retval pfOpen Where to store the IPRT creation / open flags.
2881 *
2882 * @sa Initially taken from vbsfConvertFileOpenFlags().
2883 */
2884static int sharedClipboardConvertFileCreateFlags(bool fWritable, unsigned fShClFlags, RTFMODE fMode,
2885 SHCLOBJHANDLE handleInitial, uint64_t *pfOpen)
2886{
2887 uint64_t fOpen = 0;
2888 int rc = VINF_SUCCESS;
2889
2890 if ( (fMode & RTFS_DOS_MASK) != 0
2891 && (fMode & RTFS_UNIX_MASK) == 0)
2892 {
2893 /* A DOS/Windows guest, make RTFS_UNIX_* from RTFS_DOS_*.
2894 * @todo this is based on rtFsModeNormalize/rtFsModeFromDos.
2895 * May be better to use RTFsModeNormalize here.
2896 */
2897 fMode |= RTFS_UNIX_IRUSR | RTFS_UNIX_IRGRP | RTFS_UNIX_IROTH;
2898 /* x for directories. */
2899 if (fMode & RTFS_DOS_DIRECTORY)
2900 fMode |= RTFS_TYPE_DIRECTORY | RTFS_UNIX_IXUSR | RTFS_UNIX_IXGRP | RTFS_UNIX_IXOTH;
2901 /* writable? */
2902 if (!(fMode & RTFS_DOS_READONLY))
2903 fMode |= RTFS_UNIX_IWUSR | RTFS_UNIX_IWGRP | RTFS_UNIX_IWOTH;
2904
2905 /* Set the requested mode using only allowed bits. */
2906 fOpen |= ((fMode & RTFS_UNIX_MASK) << RTFILE_O_CREATE_MODE_SHIFT) & RTFILE_O_CREATE_MODE_MASK;
2907 }
2908 else
2909 {
2910 /* Old linux and solaris additions did not initialize the Info.Attr.fMode field
2911 * and it contained random bits from stack. Detect this using the handle field value
2912 * passed from the guest: old additions set it (incorrectly) to 0, new additions
2913 * set it to SHCLOBJHANDLE_INVALID(~0).
2914 */
2915 if (handleInitial == 0)
2916 {
2917 /* Old additions. Do nothing, use default mode. */
2918 }
2919 else
2920 {
2921 /* New additions or Windows additions. Set the requested mode using only allowed bits.
2922 * Note: Windows guest set RTFS_UNIX_MASK bits to 0, which means a default mode
2923 * will be set in fOpen.
2924 */
2925 fOpen |= ((fMode & RTFS_UNIX_MASK) << RTFILE_O_CREATE_MODE_SHIFT) & RTFILE_O_CREATE_MODE_MASK;
2926 }
2927 }
2928
2929 switch ((fShClFlags & SHCL_OBJ_CF_ACCESS_MASK_RW))
2930 {
2931 default:
2932 case SHCL_OBJ_CF_ACCESS_NONE:
2933 {
2934#ifdef RT_OS_WINDOWS
2935 if ((fShClFlags & SHCL_OBJ_CF_ACCESS_MASK_ATTR) != SHCL_OBJ_CF_ACCESS_ATTR_NONE)
2936 fOpen |= RTFILE_O_ATTR_ONLY;
2937 else
2938#endif
2939 fOpen |= RTFILE_O_READ;
2940 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_NONE\n"));
2941 break;
2942 }
2943
2944 case SHCL_OBJ_CF_ACCESS_READ:
2945 {
2946 fOpen |= RTFILE_O_READ;
2947 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_READ\n"));
2948 break;
2949 }
2950
2951 case SHCL_OBJ_CF_ACCESS_WRITE:
2952 {
2953 fOpen |= RTFILE_O_WRITE;
2954 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_WRITE\n"));
2955 break;
2956 }
2957
2958 case SHCL_OBJ_CF_ACCESS_READWRITE:
2959 {
2960 fOpen |= RTFILE_O_READWRITE;
2961 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_READWRITE\n"));
2962 break;
2963 }
2964 }
2965
2966 if (fShClFlags & SHCL_OBJ_CF_ACCESS_APPEND)
2967 {
2968 fOpen |= RTFILE_O_APPEND;
2969 }
2970
2971 switch ((fShClFlags & SHCL_OBJ_CF_ACCESS_MASK_ATTR))
2972 {
2973 default:
2974 case SHCL_OBJ_CF_ACCESS_ATTR_NONE:
2975 {
2976 fOpen |= RTFILE_O_ACCESS_ATTR_DEFAULT;
2977 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_ATTR_NONE\n"));
2978 break;
2979 }
2980
2981 case SHCL_OBJ_CF_ACCESS_ATTR_READ:
2982 {
2983 fOpen |= RTFILE_O_ACCESS_ATTR_READ;
2984 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_ATTR_READ\n"));
2985 break;
2986 }
2987
2988 case SHCL_OBJ_CF_ACCESS_ATTR_WRITE:
2989 {
2990 fOpen |= RTFILE_O_ACCESS_ATTR_WRITE;
2991 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_ATTR_WRITE\n"));
2992 break;
2993 }
2994
2995 case SHCL_OBJ_CF_ACCESS_ATTR_READWRITE:
2996 {
2997 fOpen |= RTFILE_O_ACCESS_ATTR_READWRITE;
2998 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_ATTR_READWRITE\n"));
2999 break;
3000 }
3001 }
3002
3003 /* Sharing mask */
3004 switch ((fShClFlags & SHCL_OBJ_CF_ACCESS_MASK_DENY))
3005 {
3006 default:
3007 case SHCL_OBJ_CF_ACCESS_DENYNONE:
3008 fOpen |= RTFILE_O_DENY_NONE;
3009 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_DENYNONE\n"));
3010 break;
3011
3012 case SHCL_OBJ_CF_ACCESS_DENYREAD:
3013 fOpen |= RTFILE_O_DENY_READ;
3014 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_DENYREAD\n"));
3015 break;
3016
3017 case SHCL_OBJ_CF_ACCESS_DENYWRITE:
3018 fOpen |= RTFILE_O_DENY_WRITE;
3019 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_DENYWRITE\n"));
3020 break;
3021
3022 case SHCL_OBJ_CF_ACCESS_DENYALL:
3023 fOpen |= RTFILE_O_DENY_ALL;
3024 LogFlowFunc(("SHCL_OBJ_CF_ACCESS_DENYALL\n"));
3025 break;
3026 }
3027
3028 /* Open/Create action mask */
3029 switch ((fShClFlags & SHCL_OBJ_CF_ACT_MASK_IF_EXISTS))
3030 {
3031 case SHCL_OBJ_CF_ACT_OPEN_IF_EXISTS:
3032 if (SHCL_OBJ_CF_ACT_CREATE_IF_NEW == (fShClFlags & SHCL_OBJ_CF_ACT_MASK_IF_NEW))
3033 {
3034 fOpen |= RTFILE_O_OPEN_CREATE;
3035 LogFlowFunc(("SHCL_OBJ_CF_ACT_OPEN_IF_EXISTS and SHCL_OBJ_CF_ACT_CREATE_IF_NEW\n"));
3036 }
3037 else if (SHCL_OBJ_CF_ACT_FAIL_IF_NEW == (fShClFlags & SHCL_OBJ_CF_ACT_MASK_IF_NEW))
3038 {
3039 fOpen |= RTFILE_O_OPEN;
3040 LogFlowFunc(("SHCL_OBJ_CF_ACT_OPEN_IF_EXISTS and SHCL_OBJ_CF_ACT_FAIL_IF_NEW\n"));
3041 }
3042 else
3043 {
3044 LogFlowFunc(("invalid open/create action combination\n"));
3045 rc = VERR_INVALID_PARAMETER;
3046 }
3047 break;
3048 case SHCL_OBJ_CF_ACT_FAIL_IF_EXISTS:
3049 if (SHCL_OBJ_CF_ACT_CREATE_IF_NEW == (fShClFlags & SHCL_OBJ_CF_ACT_MASK_IF_NEW))
3050 {
3051 fOpen |= RTFILE_O_CREATE;
3052 LogFlowFunc(("SHCL_OBJ_CF_ACT_FAIL_IF_EXISTS and SHCL_OBJ_CF_ACT_CREATE_IF_NEW\n"));
3053 }
3054 else
3055 {
3056 LogFlowFunc(("invalid open/create action combination\n"));
3057 rc = VERR_INVALID_PARAMETER;
3058 }
3059 break;
3060 case SHCL_OBJ_CF_ACT_REPLACE_IF_EXISTS:
3061 if (SHCL_OBJ_CF_ACT_CREATE_IF_NEW == (fShClFlags & SHCL_OBJ_CF_ACT_MASK_IF_NEW))
3062 {
3063 fOpen |= RTFILE_O_CREATE_REPLACE;
3064 LogFlowFunc(("SHCL_OBJ_CF_ACT_REPLACE_IF_EXISTS and SHCL_OBJ_CF_ACT_CREATE_IF_NEW\n"));
3065 }
3066 else if (SHCL_OBJ_CF_ACT_FAIL_IF_NEW == (fShClFlags & SHCL_OBJ_CF_ACT_MASK_IF_NEW))
3067 {
3068 fOpen |= RTFILE_O_OPEN | RTFILE_O_TRUNCATE;
3069 LogFlowFunc(("SHCL_OBJ_CF_ACT_REPLACE_IF_EXISTS and SHCL_OBJ_CF_ACT_FAIL_IF_NEW\n"));
3070 }
3071 else
3072 {
3073 LogFlowFunc(("invalid open/create action combination\n"));
3074 rc = VERR_INVALID_PARAMETER;
3075 }
3076 break;
3077 case SHCL_OBJ_CF_ACT_OVERWRITE_IF_EXISTS:
3078 if (SHCL_OBJ_CF_ACT_CREATE_IF_NEW == (fShClFlags & SHCL_OBJ_CF_ACT_MASK_IF_NEW))
3079 {
3080 fOpen |= RTFILE_O_CREATE_REPLACE;
3081 LogFlowFunc(("SHCL_OBJ_CF_ACT_OVERWRITE_IF_EXISTS and SHCL_OBJ_CF_ACT_CREATE_IF_NEW\n"));
3082 }
3083 else if (SHCL_OBJ_CF_ACT_FAIL_IF_NEW == (fShClFlags & SHCL_OBJ_CF_ACT_MASK_IF_NEW))
3084 {
3085 fOpen |= RTFILE_O_OPEN | RTFILE_O_TRUNCATE;
3086 LogFlowFunc(("SHCL_OBJ_CF_ACT_OVERWRITE_IF_EXISTS and SHCL_OBJ_CF_ACT_FAIL_IF_NEW\n"));
3087 }
3088 else
3089 {
3090 LogFlowFunc(("invalid open/create action combination\n"));
3091 rc = VERR_INVALID_PARAMETER;
3092 }
3093 break;
3094 default:
3095 {
3096 rc = VERR_INVALID_PARAMETER;
3097 LogFlowFunc(("SHCL_OBJ_CF_ACT_MASK_IF_EXISTS - invalid parameter\n"));
3098 break;
3099 }
3100 }
3101
3102 if (RT_SUCCESS(rc))
3103 {
3104 if (!fWritable)
3105 fOpen &= ~RTFILE_O_WRITE;
3106
3107 *pfOpen = fOpen;
3108 }
3109
3110 LogFlowFuncLeaveRC(rc);
3111 return rc;
3112}
3113
3114/**
3115 * Translates a Shared Clipboard transfer status (SHCLTRANSFERSTATUS_XXX) into a string.
3116 *
3117 * @returns Transfer status string name.
3118 * @param enmStatus The transfer status to translate.
3119 */
3120const char *ShClTransferStatusToStr(SHCLTRANSFERSTATUS enmStatus)
3121{
3122 switch (enmStatus)
3123 {
3124 RT_CASE_RET_STR(SHCLTRANSFERSTATUS_NONE);
3125 RT_CASE_RET_STR(SHCLTRANSFERSTATUS_INITIALIZED);
3126 RT_CASE_RET_STR(SHCLTRANSFERSTATUS_STARTED);
3127 RT_CASE_RET_STR(SHCLTRANSFERSTATUS_STOPPED);
3128 RT_CASE_RET_STR(SHCLTRANSFERSTATUS_CANCELED);
3129 RT_CASE_RET_STR(SHCLTRANSFERSTATUS_KILLED);
3130 RT_CASE_RET_STR(SHCLTRANSFERSTATUS_ERROR);
3131 }
3132 return "Unknown";
3133}
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