VirtualBox

source: vbox/trunk/include/VBox/GuestHost/SharedClipboard-transfers.h@ 87452

Last change on this file since 87452 was 87452, checked in by vboxsync, 4 years ago

Shared Clipboard/Transfers: More code for HTTP transfers. bugref:9437
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1/* $Id: SharedClipboard-transfers.h 87452 2021-01-27 17:11:25Z vboxsync $ */
2/** @file
3 * Shared Clipboard - Shared transfer functions between host and guest.
4 */
5
6/*
7 * Copyright (C) 2019-2020 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.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 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27#ifndef VBOX_INCLUDED_GuestHost_SharedClipboard_transfers_h
28#define VBOX_INCLUDED_GuestHost_SharedClipboard_transfers_h
29#ifndef RT_WITHOUT_PRAGMA_ONCE
30# pragma once
31#endif
32
33#include <map>
34
35#include <iprt/assert.h>
36#include <iprt/critsect.h>
37#include <iprt/fs.h>
38#ifdef VBOX_WITH_SHARED_CLIPBOARD_TRANSFERS_HTTP
39# include <iprt/http-server.h>
40#endif
41#include <iprt/list.h>
42
43#include <iprt/cpp/list.h>
44#include <iprt/cpp/ministring.h>
45
46#include <VBox/GuestHost/SharedClipboard.h>
47#include <VBox/HostServices/VBoxClipboardSvc.h>
48
49
50struct SHCLTRANSFER;
51/** Pointer to a single shared clipboard transfer */
52typedef struct SHCLTRANSFER *PSHCLTRANSFER;
53
54
55/** @name Shared Clipboard transfer definitions.
56 * @{
57 */
58
59/**
60 * Defines the transfer status codes.
61 */
62typedef enum
63{
64 /** No status set. */
65 SHCLTRANSFERSTATUS_NONE = 0,
66 /** The transfer has been initialized but is not running yet. */
67 SHCLTRANSFERSTATUS_INITIALIZED,
68 /** The transfer is active and running. */
69 SHCLTRANSFERSTATUS_STARTED,
70 /** The transfer has been stopped. */
71 SHCLTRANSFERSTATUS_STOPPED,
72 /** The transfer has been canceled. */
73 SHCLTRANSFERSTATUS_CANCELED,
74 /** The transfer has been killed. */
75 SHCLTRANSFERSTATUS_KILLED,
76 /** The transfer ran into an unrecoverable error. */
77 SHCLTRANSFERSTATUS_ERROR,
78 /** The usual 32-bit hack. */
79 SHCLTRANSFERSTATUS_32BIT_SIZE_HACK = 0x7fffffff
80} SHCLTRANSFERSTATUSENUM;
81
82/** Defines a transfer status. */
83typedef uint32_t SHCLTRANSFERSTATUS;
84
85/** @} */
86
87/** @name Shared Clipboard handles.
88 * @{
89 */
90
91/** A Shared Clipboard list handle. */
92typedef uint64_t SHCLLISTHANDLE;
93/** Pointer to a Shared Clipboard list handle. */
94typedef SHCLLISTHANDLE *PSHCLLISTHANDLE;
95/** Specifies an invalid Shared Clipboard list handle.
96 * @todo r=bird: The convention is NIL_SHCLLISTHANDLE. */
97#define SHCLLISTHANDLE_INVALID ((SHCLLISTHANDLE)UINT64_MAX)
98
99/** A Shared Clipboard object handle. */
100typedef uint64_t SHCLOBJHANDLE;
101/** Pointer to a Shared Clipboard object handle. */
102typedef SHCLOBJHANDLE *PSHCLOBJHANDLE;
103/** Specifies an invalid Shared Clipboard object handle.
104 * @todo r=bird: The convention is NIL_SHCLOBJHANDLE. */
105#define SHCLOBJHANDLE_INVALID ((SHCLOBJHANDLE)UINT64_MAX)
106
107/** @} */
108
109/** @name Shared Clipboard open/create flags.
110 * @{
111 */
112/** No flags. Initialization value. */
113#define SHCL_OBJ_CF_NONE UINT32_C(0x00000000)
114
115#if 0 /* These probably won't be needed either */
116/** Lookup only the object, do not return a handle. All other flags are ignored. */
117#define SHCL_OBJ_CF_LOOKUP UINT32_C(0x00000001)
118/** Create/open a directory. */
119#define SHCL_OBJ_CF_DIRECTORY UINT32_C(0x00000004)
120#endif
121
122/** Read/write requested access for the object. */
123#define SHCL_OBJ_CF_ACCESS_MASK_RW UINT32_C(0x00001000)
124/** No access requested. */
125#define SHCL_OBJ_CF_ACCESS_NONE UINT32_C(0x00000000)
126/** Read access requested. */
127#define SHCL_OBJ_CF_ACCESS_READ UINT32_C(0x00001000)
128
129/** Requested share access for the object. */
130#define SHCL_OBJ_CF_ACCESS_MASK_DENY UINT32_C(0x00008000)
131/** Allow any access. */
132#define SHCL_OBJ_CF_ACCESS_DENYNONE UINT32_C(0x00000000)
133/** Do not allow write. */
134#define SHCL_OBJ_CF_ACCESS_DENYWRITE UINT32_C(0x00008000)
135
136/** Requested access to attributes of the object. */
137#define SHCL_OBJ_CF_ACCESS_MASK_ATTR UINT32_C(0x00010000)
138/** No access requested. */
139#define SHCL_OBJ_CF_ACCESS_ATTR_NONE UINT32_C(0x00000000)
140/** Read access requested. */
141#define SHCL_OBJ_CF_ACCESS_ATTR_READ UINT32_C(0x00010000)
142
143/** Valid bits. */
144#define SHCL_OBJ_CF_VALID_MASK UINT32_C(0x00018000)
145/** @} */
146
147/**
148 * The available additional information in a SHCLFSOBJATTR object.
149 * @sa RTFSOBJATTRADD
150 */
151typedef enum _SHCLFSOBJATTRADD
152{
153 /** No additional information is available / requested. */
154 SHCLFSOBJATTRADD_NOTHING = 1,
155 /** The additional unix attributes (SHCLFSOBJATTR::u::Unix) are
156 * available / requested. */
157 SHCLFSOBJATTRADD_UNIX,
158 /** The additional extended attribute size (SHCLFSOBJATTR::u::EASize) is
159 * available / requested. */
160 SHCLFSOBJATTRADD_EASIZE,
161 /** The last valid item (inclusive).
162 * The valid range is SHCLFSOBJATTRADD_NOTHING thru
163 * SHCLFSOBJATTRADD_LAST. */
164 SHCLFSOBJATTRADD_LAST = SHCLFSOBJATTRADD_EASIZE,
165 /** The usual 32-bit hack. */
166 SHCLFSOBJATTRADD_32BIT_SIZE_HACK = 0x7fffffff
167} SHCLFSOBJATTRADD;
168
169
170/* Assert sizes of the IRPT types we're using below. */
171AssertCompileSize(RTFMODE, 4);
172AssertCompileSize(RTFOFF, 8);
173AssertCompileSize(RTINODE, 8);
174AssertCompileSize(RTTIMESPEC, 8);
175AssertCompileSize(RTDEV, 4);
176AssertCompileSize(RTUID, 4);
177
178/**
179 * Shared Clipboard filesystem object attributes.
180 *
181 * @sa RTFSOBJATTR
182 */
183typedef struct _SHCLFSOBJATTR
184{
185 /** Mode flags (st_mode). RTFS_UNIX_*, RTFS_TYPE_*, and RTFS_DOS_*.
186 * @remarks We depend on a number of RTFS_ defines to remain unchanged.
187 * Fortuntately, these are depending on windows, dos and unix
188 * standard values, so this shouldn't be much of a pain. */
189 RTFMODE fMode;
190
191 /** The additional attributes available. */
192 SHCLFSOBJATTRADD enmAdditional;
193
194 /**
195 * Additional attributes.
196 *
197 * Unless explicitly specified to an API, the API can provide additional
198 * data as it is provided by the underlying OS.
199 */
200 union SHCLFSOBJATTRUNION
201 {
202 /** Additional Unix Attributes
203 * These are available when SHCLFSOBJATTRADD is set in fUnix.
204 */
205 struct SHCLFSOBJATTRUNIX
206 {
207 /** The user owning the filesystem object (st_uid).
208 * This field is ~0U if not supported. */
209 RTUID uid;
210
211 /** The group the filesystem object is assigned (st_gid).
212 * This field is ~0U if not supported. */
213 RTGID gid;
214
215 /** Number of hard links to this filesystem object (st_nlink).
216 * This field is 1 if the filesystem doesn't support hardlinking or
217 * the information isn't available.
218 */
219 uint32_t cHardlinks;
220
221 /** The device number of the device which this filesystem object resides on (st_dev).
222 * This field is 0 if this information is not available. */
223 RTDEV INodeIdDevice;
224
225 /** The unique identifier (within the filesystem) of this filesystem object (st_ino).
226 * Together with INodeIdDevice, this field can be used as a OS wide unique id
227 * when both their values are not 0.
228 * This field is 0 if the information is not available. */
229 RTINODE INodeId;
230
231 /** User flags (st_flags).
232 * This field is 0 if this information is not available. */
233 uint32_t fFlags;
234
235 /** The current generation number (st_gen).
236 * This field is 0 if this information is not available. */
237 uint32_t GenerationId;
238
239 /** The device number of a character or block device type object (st_rdev).
240 * This field is 0 if the file isn't of a character or block device type and
241 * when the OS doesn't subscribe to the major+minor device idenfication scheme. */
242 RTDEV Device;
243 } Unix;
244
245 /**
246 * Extended attribute size.
247 */
248 struct SHCLFSOBJATTREASIZE
249 {
250 /** Size of EAs. */
251 RTFOFF cb;
252 } EASize;
253
254 /** Padding the structure to a multiple of 8 bytes. */
255 uint64_t au64Padding[5];
256 } u;
257} SHCLFSOBJATTR;
258AssertCompileSize(SHCLFSOBJATTR, 48);
259/** Pointer to a Shared Clipboard filesystem object attributes structure. */
260typedef SHCLFSOBJATTR *PSHCLFSOBJATTR;
261/** Pointer to a const Shared Clipboard filesystem object attributes structure. */
262typedef const SHCLFSOBJATTR *PCSHCLFSOBJATTR;
263
264/**
265 * Shared Clipboard file system object information structure.
266 *
267 * @sa RTFSOBJINFO
268 */
269typedef struct _SHCLFSOBJINFO
270{
271 /** Logical size (st_size).
272 * For normal files this is the size of the file.
273 * For symbolic links, this is the length of the path name contained
274 * in the symbolic link.
275 * For other objects this fields needs to be specified.
276 */
277 RTFOFF cbObject;
278
279 /** Disk allocation size (st_blocks * DEV_BSIZE). */
280 RTFOFF cbAllocated;
281
282 /** Time of last access (st_atime).
283 * @remarks Here (and other places) we depend on the IPRT timespec to
284 * remain unchanged. */
285 RTTIMESPEC AccessTime;
286
287 /** Time of last data modification (st_mtime). */
288 RTTIMESPEC ModificationTime;
289
290 /** Time of last status change (st_ctime).
291 * If not available this is set to ModificationTime.
292 */
293 RTTIMESPEC ChangeTime;
294
295 /** Time of file birth (st_birthtime).
296 * If not available this is set to ChangeTime.
297 */
298 RTTIMESPEC BirthTime;
299
300 /** Attributes. */
301 SHCLFSOBJATTR Attr;
302
303} SHCLFSOBJINFO;
304AssertCompileSize(SHCLFSOBJINFO, 96);
305/** Pointer to a Shared Clipboard filesystem object information structure. */
306typedef SHCLFSOBJINFO *PSHCLFSOBJINFO;
307/** Pointer to a const Shared Clipboard filesystem object information
308 * structure. */
309typedef const SHCLFSOBJINFO *PCSHCLFSOBJINFO;
310
311/**
312 * Structure for keeping object open/create parameters.
313 */
314typedef struct _SHCLOBJOPENCREATEPARMS
315{
316 /** Path to object to open / create. */
317 char *pszPath;
318 /** Size (in bytes) of path to to object. */
319 uint32_t cbPath;
320 /** SHCL_OBJ_CF_* */
321 uint32_t fCreate;
322 /**
323 * Attributes of object to open/create and
324 * returned actual attributes of opened/created object.
325 */
326 SHCLFSOBJINFO ObjInfo;
327} SHCLOBJOPENCREATEPARMS, *PSHCLOBJOPENCREATEPARMS;
328
329/**
330 * Structure for keeping a reply message.
331 */
332typedef struct _SHCLREPLY
333{
334 /** Message type of type VBOX_SHCL_REPLYMSGTYPE_XXX. */
335 uint32_t uType;
336 /** IPRT result of overall operation. Note: int vs. uint32! */
337 uint32_t rc;
338 union
339 {
340 struct
341 {
342 SHCLTRANSFERSTATUS uStatus;
343 } TransferStatus;
344 struct
345 {
346 SHCLLISTHANDLE uHandle;
347 } ListOpen;
348 struct
349 {
350 SHCLLISTHANDLE uHandle;
351 } ListClose;
352 struct
353 {
354 SHCLOBJHANDLE uHandle;
355 } ObjOpen;
356 struct
357 {
358 SHCLOBJHANDLE uHandle;
359 } ObjClose;
360 } u;
361 /** Pointer to optional payload. */
362 void *pvPayload;
363 /** Payload size (in bytes). */
364 uint32_t cbPayload;
365} SHCLREPLY, *PSHCLREPLY;
366
367struct _SHCLLISTENTRY;
368typedef _SHCLLISTENTRY SHCLLISTENTRY;
369
370/** Defines a single root list entry. Currently the same as a regular list entry. */
371typedef SHCLLISTENTRY SHCLROOTLISTENTRY;
372/** Defines a pointer to a single root list entry. Currently the same as a regular list entry pointer. */
373typedef SHCLROOTLISTENTRY *PSHCLROOTLISTENTRY;
374
375/**
376 * Structure for keeping Shared Clipboard root list headers.
377 */
378typedef struct _SHCLROOTLISTHDR
379{
380 /** Roots listing flags; unused at the moment. */
381 uint32_t fRoots;
382 /** Number of root list entries. */
383 uint32_t cRoots;
384} SHCLROOTLISTHDR, *PSHCLROOTLISTHDR;
385
386/**
387 * Structure for maintaining a Shared Clipboard root list.
388 */
389typedef struct _SHCLROOTLIST
390{
391 /** Root list header. */
392 SHCLROOTLISTHDR Hdr;
393 /** Root list entries. */
394 SHCLROOTLISTENTRY *paEntries;
395} SHCLROOTLIST, *PSHCLROOTLIST;
396
397/**
398 * Structure for maintaining Shared Clipboard list open paramters.
399 */
400typedef struct _SHCLLISTOPENPARMS
401{
402 /** Listing flags (see VBOX_SHCL_LIST_FLAG_XXX). */
403 uint32_t fList;
404 /** Size (in bytes) of the filter string. */
405 uint32_t cbFilter;
406 /** Filter string. DOS wilcard-style. */
407 char *pszFilter;
408 /** Size (in bytes) of the listing path. */
409 uint32_t cbPath;
410 /** Listing path (absolute). If empty or NULL the listing's root path will be opened. */
411 char *pszPath;
412} SHCLLISTOPENPARMS, *PSHCLLISTOPENPARMS;
413
414/**
415 * Structure for keeping a Shared Clipboard list header.
416 */
417typedef struct _SHCLLISTHDR
418{
419 /** Feature flag(s). Not being used atm. */
420 uint32_t fFeatures;
421 /** Total objects returned. */
422 uint64_t cTotalObjects;
423 /** Total size (in bytes) returned. */
424 uint64_t cbTotalSize;
425} SHCLLISTHDR, *PSHCLLISTHDR;
426
427/**
428 * Structure for a Shared Clipboard list entry.
429 */
430typedef struct _SHCLLISTENTRY
431{
432 /** Entry name. */
433 char *pszName;
434 /** Size (in bytes) of entry name. */
435 uint32_t cbName;
436 /** Information flag(s). */
437 uint32_t fInfo;
438 /** Size (in bytes) of the actual list entry. */
439 uint32_t cbInfo;
440 /** Data of the actual list entry. */
441 void *pvInfo;
442} SHCLLISTENTRY, *PSHCLLISTENTRY;
443
444/** Maximum length (in UTF-8 characters) of a list entry name. */
445#define SHCLLISTENTRY_MAX_NAME RTPATH_MAX /** @todo Improve this to be more dynamic. */
446
447/**
448 * Structure for maintaining a Shared Clipboard list.
449 */
450typedef struct _SHCLLIST
451{
452 /** List header. */
453 SHCLLISTHDR Hdr;
454 /** List entries. */
455 SHCLROOTLISTENTRY *paEntries;
456} SHCLLIST, *PSHCLLIST;
457
458/**
459 * Structure for keeping a Shared Clipboard object data chunk.
460 */
461typedef struct _SHCLOBJDATACHUNK
462{
463 /** Handle of object this data chunk is related to. */
464 uint64_t uHandle;
465 /** Pointer to actual data chunk. */
466 void *pvData;
467 /** Size (in bytes) of data chunk. */
468 uint32_t cbData;
469} SHCLOBJDATACHUNK, *PSHCLOBJDATACHUNK;
470
471/**
472 * Structure for handling a single transfer object context.
473 */
474typedef struct _SHCLCLIENTTRANSFEROBJCTX
475{
476 SHCLTRANSFER *pTransfer;
477 SHCLOBJHANDLE uHandle;
478} SHCLCLIENTTRANSFEROBJCTX, *PSHCLCLIENTTRANSFEROBJCTX;
479
480typedef struct _SHCLTRANSFEROBJSTATE
481{
482 /** How many bytes were processed (read / write) so far. */
483 uint64_t cbProcessed;
484} SHCLTRANSFEROBJSTATE, *PSHCLTRANSFEROBJSTATE;
485
486typedef struct _SHCLTRANSFEROBJ
487{
488 SHCLOBJHANDLE uHandle;
489 char *pszPathAbs;
490 SHCLFSOBJINFO objInfo;
491 SHCLSOURCE enmSource;
492 SHCLTRANSFEROBJSTATE State;
493} SHCLTRANSFEROBJ, *PSHCLTRANSFEROBJ;
494
495/**
496 * Enumeration for specifying a Shared Clipboard object type.
497 */
498typedef enum _SHCLOBJTYPE
499{
500 /** Invalid object type. */
501 SHCLOBJTYPE_INVALID = 0,
502 /** Object is a directory. */
503 SHCLOBJTYPE_DIRECTORY,
504 /** Object is a file. */
505 SHCLOBJTYPE_FILE,
506 /** Object is a symbolic link. */
507 SHCLOBJTYPE_SYMLINK,
508 /** The usual 32-bit hack. */
509 SHCLOBJTYPE_32BIT_SIZE_HACK = 0x7fffffff
510} SHCLOBJTYPE;
511
512/**
513 * Structure for keeping transfer list handle information.
514 * This is using to map own (local) handles to the underlying file system.
515 */
516typedef struct _SHCLLISTHANDLEINFO
517{
518 /** The list node. */
519 RTLISTNODE Node;
520 /** The list's handle. */
521 SHCLLISTHANDLE hList;
522 /** Type of list handle. */
523 SHCLOBJTYPE enmType;
524 /** Absolute local path of the list object. */
525 char *pszPathLocalAbs;
526 union
527 {
528 /** Local data, based on enmType. */
529 struct
530 {
531 union
532 {
533 RTDIR hDir;
534 RTFILE hFile;
535 };
536 } Local;
537 } u;
538} SHCLLISTHANDLEINFO, *PSHCLLISTHANDLEINFO;
539
540/**
541 * Structure for keeping transfer object handle information.
542 * This is using to map own (local) handles to the underlying file system.
543 */
544typedef struct _SHCLOBJHANDLEINFO
545{
546 /** The list node. */
547 RTLISTNODE Node;
548 /** The object's handle. */
549 SHCLOBJHANDLE hObj;
550 /** Type of object handle. */
551 SHCLOBJTYPE enmType;
552 /** Absolute local path of the object. */
553 char *pszPathLocalAbs;
554 union
555 {
556 /** Local data, based on enmType. */
557 struct
558 {
559 union
560 {
561 RTDIR hDir;
562 RTFILE hFile;
563 };
564 } Local;
565 } u;
566} SHCLOBJHANDLEINFO, *PSHCLOBJHANDLEINFO;
567
568/**
569 * Structure for keeping a single root list entry.
570 */
571typedef struct _SHCLLISTROOT
572{
573 /** The list node. */
574 RTLISTNODE Node;
575 /** Absolute path of entry. */
576 char *pszPathAbs;
577} SHCLLISTROOT, *PSHCLLISTROOT;
578
579/**
580 * Structure for maintaining an Shared Clipboard transfer state.
581 * Everything in here will be part of a saved state (later).
582 */
583typedef struct _SHCLTRANSFERSTATE
584{
585 /** The transfer's (local) ID. */
586 SHCLTRANSFERID uID;
587 /** The transfer's current status. */
588 SHCLTRANSFERSTATUS enmStatus;
589 /** The transfer's direction, seen from the perspective who created the transfer. */
590 SHCLTRANSFERDIR enmDir;
591 /** The transfer's source, seen from the perspective who created the transfer. */
592 SHCLSOURCE enmSource;
593} SHCLTRANSFERSTATE, *PSHCLTRANSFERSTATE;
594
595/**
596 * Structure maintaining clipboard transfer provider context data.
597 * This is handed in to the provider interface implementations.
598 */
599typedef struct _SHCLTXPROVIDERCTX
600{
601 /** Pointer to the related Shared Clipboard transfer. */
602 PSHCLTRANSFER pTransfer;
603 /** User-defined data pointer. Can be NULL if not needed. */
604 void *pvUser;
605 /** Size (in bytes) of data at user pointer. */
606 size_t cbUser;
607} SHCLTXPROVIDERCTX, *PSHCLTXPROVIDERCTX;
608
609struct SHCLTRANSFERCTX;
610typedef struct SHCLTRANSFERCTX *PSHCLTRANSFERCTX;
611
612/**
613 * Shared Clipboard transfer provider interface table.
614 */
615typedef struct _SHCLTXPROVIDERIFACE
616{
617 /** Called when the transfer gets initialized. */
618 DECLCALLBACKMEMBER(int, pfnInitialize,(PSHCLTXPROVIDERCTX pCtx));
619 /** Called before the transfer will be started. */
620 DECLCALLBACKMEMBER(int, pfnStart,(PSHCLTXPROVIDERCTX pCtx));
621 /** Called when the transfer has been complete. */
622 DECLCALLBACKMEMBER(void, pfnCompleted,(PSHCLTXPROVIDERCTX pCtx, int rc));
623 /** Called when the transfer has been canceled. */
624 DECLCALLBACKMEMBER(void, pfnCanceled,(PSHCLTXPROVIDERCTX pCtx));
625 /** Called when transfer resulted in an unrecoverable error. */
626 DECLCALLBACKMEMBER(void, pfnError,(PSHCLTXPROVIDERCTX pCtx, int rc));
627 /** Called when transfer got registered to a transfer context. */
628 DECLCALLBACKMEMBER(void, pfnRegistered,(PSHCLTXPROVIDERCTX pCtx, PSHCLTRANSFERCTX pTransferCtx));
629 /** Called when transfer got unregistered from a transfer context. */
630 DECLCALLBACKMEMBER(void, pfnUnregistered,(PSHCLTXPROVIDERCTX pCtx, PSHCLTRANSFERCTX pTransferCtx));
631
632 DECLCALLBACKMEMBER(int, pfnRootsGet,(PSHCLTXPROVIDERCTX pCtx, PSHCLROOTLIST *ppRootList));
633 DECLCALLBACKMEMBER(int, pfnListOpen,(PSHCLTXPROVIDERCTX pCtx, PSHCLLISTOPENPARMS pOpenParms, PSHCLLISTHANDLE phList));
634 DECLCALLBACKMEMBER(int, pfnListClose,(PSHCLTXPROVIDERCTX pCtx, SHCLLISTHANDLE hList));
635 DECLCALLBACKMEMBER(int, pfnListHdrRead,(PSHCLTXPROVIDERCTX pCtx, SHCLLISTHANDLE hList, PSHCLLISTHDR pListHdr));
636 DECLCALLBACKMEMBER(int, pfnListHdrWrite,(PSHCLTXPROVIDERCTX pCtx, SHCLLISTHANDLE hList, PSHCLLISTHDR pListHdr));
637 DECLCALLBACKMEMBER(int, pfnListEntryRead,(PSHCLTXPROVIDERCTX pCtx, SHCLLISTHANDLE hList, PSHCLLISTENTRY pEntry));
638 DECLCALLBACKMEMBER(int, pfnListEntryWrite,(PSHCLTXPROVIDERCTX pCtx, SHCLLISTHANDLE hList, PSHCLLISTENTRY pEntry));
639 DECLCALLBACKMEMBER(int, pfnObjOpen,(PSHCLTXPROVIDERCTX pCtx, PSHCLOBJOPENCREATEPARMS pCreateParms, PSHCLOBJHANDLE phObj));
640 DECLCALLBACKMEMBER(int, pfnObjClose,(PSHCLTXPROVIDERCTX pCtx, SHCLOBJHANDLE hObj));
641 DECLCALLBACKMEMBER(int, pfnObjRead,(PSHCLTXPROVIDERCTX pCtx, SHCLOBJHANDLE hObj, void *pvData, uint32_t cbData,
642 uint32_t fFlags, uint32_t *pcbRead));
643 DECLCALLBACKMEMBER(int, pfnObjWrite,(PSHCLTXPROVIDERCTX pCtx, SHCLOBJHANDLE hObj, void *pvData, uint32_t cbData,
644 uint32_t fFlags, uint32_t *pcbWritten));
645} SHCLTXPROVIDERIFACE, *PSHCLTXPROVIDERIFACE;
646
647/**
648 * Structure for the Shared Clipboard transfer provider creation context.
649 */
650typedef struct _SHCLTXPROVIDERCREATIONCTX
651{
652 /** Specifies what the source of the provider is. */
653 SHCLSOURCE enmSource;
654 /** The provider interface table. */
655 SHCLTXPROVIDERIFACE Interface;
656 /** User-provided callback data. */
657 void *pvUser;
658 /** Size (in bytes) of data at user pointer. */
659 size_t cbUser;
660} SHCLTXPROVIDERCREATIONCTX, *PSHCLTXPROVIDERCREATIONCTX;
661
662/**
663 * Structure for thread-related members for a single Shared Clipboard transfer.
664 */
665typedef struct _SHCLTRANSFERTHREAD
666{
667 /** Thread handle for the reading / writing thread.
668 * Can be NIL_RTTHREAD if not being used. */
669 RTTHREAD hThread;
670 /** Thread started indicator. */
671 volatile bool fStarted;
672 /** Thread stop flag. */
673 volatile bool fStop;
674 /** Thread cancelled flag / indicator. */
675 volatile bool fCancelled;
676} SHCLTRANSFERTHREAD, *PSHCLTRANSFERTHREAD;
677
678/**
679 * A single Shared Clipboard transfer.
680 *
681 ** @todo Not yet thread safe.
682 */
683typedef struct SHCLTRANSFER
684{
685 /** The node member for using this struct in a RTList. */
686 RTLISTNODE Node;
687 /** The transfer's state (for SSM, later). */
688 SHCLTRANSFERSTATE State;
689 /** Absolute path to root entries. */
690 char *pszPathRootAbs;
691 /** Timeout (in ms) for waiting of events. Default is 30s. */
692 RTMSINTERVAL uTimeoutMs;
693 /** Maximum data chunk size (in bytes) to transfer. Default is 64K. */
694 uint32_t cbMaxChunkSize;
695 /** The transfer's own event source. */
696 SHCLEVENTSOURCE Events;
697 /** Current number of concurrent list handles. */
698 uint32_t cListHandles;
699 /** Maximum number of concurrent list handles. */
700 uint32_t cMaxListHandles;
701 /** Next upcoming list handle. */
702 SHCLLISTHANDLE uListHandleNext;
703 /** List of all list handles elated to this transfer. */
704 RTLISTANCHOR lstList;
705 /** Number of root entries in list. */
706 uint64_t cRoots;
707 /** List of root entries of this transfer. */
708 RTLISTANCHOR lstRoots;
709 /** Current number of concurrent object handles. */
710 uint32_t cObjHandles;
711 /** Maximum number of concurrent object handles. */
712 uint32_t cMaxObjHandles;
713 /** Next upcoming object handle. */
714 SHCLOBJHANDLE uObjHandleNext;
715 /** Map of all objects handles related to this transfer. */
716 RTLISTANCHOR lstObj;
717 /** The transfer's own provider context. */
718 SHCLTXPROVIDERCTX ProviderCtx;
719 /** The transfer's provider interface. */
720 SHCLTXPROVIDERIFACE ProviderIface;
721 /** Opaque pointer to implementation-specific parameters. */
722 void *pvUser;
723 /** Size (in bytes) of implementation-specific parameters. */
724 size_t cbUser;
725 /** Contains thread-related attributes. */
726 SHCLTRANSFERTHREAD Thread;
727 /** Critical section for serializing access. */
728 RTCRITSECT CritSect;
729} SHCLTRANSFER, *PSHCLTRANSFER;
730
731/**
732 * Structure for keeping an Shared Clipboard transfer status report.
733 */
734typedef struct _SHCLTRANSFERREPORT
735{
736 /** Actual status to report. */
737 SHCLTRANSFERSTATUS uStatus;
738 /** Result code (rc) to report; might be unused / invalid, based on enmStatus. */
739 int rc;
740 /** Reporting flags. Currently unused and must be 0. */
741 uint32_t fFlags;
742} SHCLTRANSFERREPORT, *PSHCLTRANSFERREPORT;
743
744#ifdef VBOX_WITH_SHARED_CLIPBOARD_TRANSFERS_HTTP
745typedef struct _SHCLHTTPSERVER
746{
747 /** Critical section for serializing access. */
748 RTCRITSECT CritSect;
749 /** Handle of the HTTP server instance. */
750 RTHTTPSERVER hHTTPServer;
751 /** Port number the HTTP server is running on. 0 if not running. */
752 uint16_t uPort;
753 /** List of registered HTTP transfers. */
754 RTLISTANCHOR lstTransfers;
755 /** Number of registered HTTP transfers. */
756 uint32_t cTransfers;
757 /** Cached response data. */
758 RTHTTPSERVERRESP Resp;
759} SHCLHTTPSERVER;
760typedef SHCLHTTPSERVER *PSHCLHTTPSERVER;
761
762typedef struct _SHCLHTTPCONTEXT
763{
764 /** HTTP server instance data. */
765 SHCLHTTPSERVER HttpServer;
766} SHCLHTTPCONTEXT;
767typedef SHCLHTTPCONTEXT *PSHCLHTTPCONTEXT;
768
769#endif /* VBOX_WITH_SHARED_CLIPBOARD_TRANSFERS_HTTP */
770
771/**
772 * Structure for keeping Shared Clipboard transfer context around.
773 */
774struct SHCLTRANSFERCTX
775{
776 /** Critical section for serializing access. */
777 RTCRITSECT CritSect;
778 /** List of transfers. */
779 RTLISTANCHOR List;
780 /** Transfer ID allocation bitmap; clear bits are free, set bits are busy. */
781 uint64_t bmTransferIds[VBOX_SHCL_MAX_TRANSFERS / sizeof(uint64_t) / 8];
782 /** Number of running (concurrent) transfers. */
783 uint16_t cRunning;
784 /** Maximum Number of running (concurrent) transfers. */
785 uint16_t cMaxRunning;
786 /** Number of total transfers (in list). */
787 uint16_t cTransfers;
788#ifdef VBOX_WITH_SHARED_CLIPBOARD_TRANSFERS_HTTP
789 /** HTTP server instance for this transfer context. */
790 SHCLHTTPSERVER HttpServer;
791#endif /* VBOX_WITH_SHARED_CLIPBOARD_TRANSFERS_HTTP */
792};
793
794int ShClTransferObjCtxInit(PSHCLCLIENTTRANSFEROBJCTX pObjCtx);
795void ShClTransferObjCtxDestroy(PSHCLCLIENTTRANSFEROBJCTX pObjCtx);
796bool ShClTransferObjCtxIsValid(PSHCLCLIENTTRANSFEROBJCTX pObjCtx);
797
798int ShClTransferObjHandleInfoInit(PSHCLOBJHANDLEINFO pInfo);
799void ShClTransferObjHandleInfoDestroy(PSHCLOBJHANDLEINFO pInfo);
800
801int ShClTransferObjOpenParmsInit(PSHCLOBJOPENCREATEPARMS pParms);
802int ShClTransferObjOpenParmsCopy(PSHCLOBJOPENCREATEPARMS pParmsDst, PSHCLOBJOPENCREATEPARMS pParmsSrc);
803void ShClTransferObjOpenParmsDestroy(PSHCLOBJOPENCREATEPARMS pParms);
804
805int ShClTransferObjOpen(PSHCLTRANSFER pTransfer, PSHCLOBJOPENCREATEPARMS pOpenCreateParms, PSHCLOBJHANDLE phObj);
806int ShClTransferObjClose(PSHCLTRANSFER pTransfer, SHCLOBJHANDLE hObj);
807int ShClTransferObjRead(PSHCLTRANSFER pTransfer, SHCLOBJHANDLE hObj, void *pvBuf, uint32_t cbBuf, uint32_t *pcbRead, uint32_t fFlags);
808int ShClTransferObjWrite(PSHCLTRANSFER pTransfer, SHCLOBJHANDLE hObj, void *pvBuf, uint32_t cbBuf, uint32_t *pcbWritten, uint32_t fFlags);
809
810PSHCLOBJDATACHUNK ShClTransferObjDataChunkDup(PSHCLOBJDATACHUNK pDataChunk);
811void ShClTransferObjDataChunkDestroy(PSHCLOBJDATACHUNK pDataChunk);
812void ShClTransferObjDataChunkFree(PSHCLOBJDATACHUNK pDataChunk);
813
814int ShClTransferCreate(PSHCLTRANSFER *ppTransfer);
815int ShClTransferInit(PSHCLTRANSFER pTransfer, SHCLTRANSFERDIR enmDir, SHCLSOURCE enmSource);
816int ShClTransferDestroy(PSHCLTRANSFER pTransfer);
817
818int ShClTransferListOpen(PSHCLTRANSFER pTransfer, PSHCLLISTOPENPARMS pOpenParms, PSHCLLISTHANDLE phList);
819int ShClTransferListClose(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList);
820int ShClTransferListGetHeader(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList, PSHCLLISTHDR pHdr);
821PSHCLTRANSFEROBJ ShClTransferListGetObj(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList, uint64_t uIdx);
822int ShClTransferListRead(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList, PSHCLLISTENTRY pEntry);
823int ShClTransferListWrite(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList, PSHCLLISTENTRY pEntry);
824bool ShClTransferListHandleIsValid(PSHCLTRANSFER pTransfer, SHCLLISTHANDLE hList);
825
826int ShClPathSanitizeFilename(char *pszPath, size_t cbPath);
827int ShClPathSanitize(char *pszPath, size_t cbPath);
828
829PSHCLROOTLIST ShClTransferRootListAlloc(void);
830void ShClTransferRootListFree(PSHCLROOTLIST pRootList);
831
832PSHCLROOTLISTHDR ShClTransferRootListHdrDup(PSHCLROOTLISTHDR pRoots);
833int ShClTransferRootListHdrInit(PSHCLROOTLISTHDR pRoots);
834void ShClTransferRootListHdrDestroy(PSHCLROOTLISTHDR pRoots);
835
836int ShClTransferRootListEntryCopy(PSHCLROOTLISTENTRY pDst, PSHCLROOTLISTENTRY pSrc);
837int ShClTransferRootListEntryInit(PSHCLROOTLISTENTRY pRootListEntry);
838void ShClTransferRootListEntryDestroy(PSHCLROOTLISTENTRY pRootListEntry);
839PSHCLROOTLISTENTRY ShClTransferRootListEntryDup(PSHCLROOTLISTENTRY pRootListEntry);
840
841int ShClTransferListHandleInfoInit(PSHCLLISTHANDLEINFO pInfo);
842void ShClTransferListHandleInfoDestroy(PSHCLLISTHANDLEINFO pInfo);
843
844int ShClTransferListHdrAlloc(PSHCLLISTHDR *ppListHdr);
845void ShClTransferListHdrFree(PSHCLLISTHDR pListHdr);
846PSHCLLISTHDR ShClTransferListHdrDup(PSHCLLISTHDR pListHdr);
847int ShClTransferListHdrInit(PSHCLLISTHDR pListHdr);
848void ShClTransferListHdrDestroy(PSHCLLISTHDR pListHdr);
849void ShClTransferListHdrReset(PSHCLLISTHDR pListHdr);
850bool ShClTransferListHdrIsValid(PSHCLLISTHDR pListHdr);
851
852int ShClTransferListOpenParmsCopy(PSHCLLISTOPENPARMS pDst, PSHCLLISTOPENPARMS pSrc);
853PSHCLLISTOPENPARMS ShClTransferListOpenParmsDup(PSHCLLISTOPENPARMS pParms);
854int ShClTransferListOpenParmsInit(PSHCLLISTOPENPARMS pParms);
855void ShClTransferListOpenParmsDestroy(PSHCLLISTOPENPARMS pParms);
856
857int ShClTransferListEntryAlloc(PSHCLLISTENTRY *ppListEntry);
858void ShClTransferListEntryFree(PSHCLLISTENTRY pListEntry);
859int ShClTransferListEntryCopy(PSHCLLISTENTRY pDst, PSHCLLISTENTRY pSrc);
860PSHCLLISTENTRY ShClTransferListEntryDup(PSHCLLISTENTRY pListEntry);
861int ShClTransferListEntryInit(PSHCLLISTENTRY pListEntry);
862void ShClTransferListEntryDestroy(PSHCLLISTENTRY pListEntry);
863bool ShClTransferListEntryIsValid(PSHCLLISTENTRY pListEntry);
864
865int ShClTransferSetProviderIface(PSHCLTRANSFER pTransfer, PSHCLTXPROVIDERCREATIONCTX pCreationCtx);
866int ShClTransferRootsSet(PSHCLTRANSFER pTransfer, const char *pszRoots, size_t cbRoots);
867void ShClTransferReset(PSHCLTRANSFER pTransfer);
868
869uint32_t ShClTransferRootsCount(PSHCLTRANSFER pTransfer);
870int ShClTransferRootsEntry(PSHCLTRANSFER pTransfer, uint64_t uIndex, PSHCLROOTLISTENTRY pEntry);
871int ShClTransferRootsGet(PSHCLTRANSFER pTransfer, PSHCLROOTLIST *ppRootList);
872
873SHCLTRANSFERID ShClTransferGetID(PSHCLTRANSFER pTransfer);
874SHCLTRANSFERDIR ShClTransferGetDir(PSHCLTRANSFER pTransfer);
875SHCLSOURCE ShClTransferGetSource(PSHCLTRANSFER pTransfer);
876SHCLTRANSFERSTATUS ShClTransferGetStatus(PSHCLTRANSFER pTransfer);
877int ShClTransferRun(PSHCLTRANSFER pTransfer, PFNRTTHREAD pfnThreadFunc, void *pvUser);
878int ShClTransferStart(PSHCLTRANSFER pTransfer);
879
880int ShClTransferCtxInit(PSHCLTRANSFERCTX pTransferCtx);
881void ShClTransferCtxDestroy(PSHCLTRANSFERCTX pTransferCtx);
882void ShClTransferCtxReset(PSHCLTRANSFERCTX pTransferCtx);
883PSHCLTRANSFER ShClTransferCtxGetTransferById(PSHCLTRANSFERCTX pTransferCtx, uint32_t uID);
884PSHCLTRANSFER ShClTransferCtxGetTransferByIndex(PSHCLTRANSFERCTX pTransferCtx, uint32_t uIdx);
885uint32_t ShClTransferCtxGetRunningTransfers(PSHCLTRANSFERCTX pTransferCtx);
886uint32_t ShClTransferCtxGetTotalTransfers(PSHCLTRANSFERCTX pTransferCtx);
887void ShClTransferCtxCleanup(PSHCLTRANSFERCTX pTransferCtx);
888bool ShClTransferCtxTransfersMaximumReached(PSHCLTRANSFERCTX pTransferCtx);
889int ShClTransferCtxTransferRegister(PSHCLTRANSFERCTX pTransferCtx, PSHCLTRANSFER pTransfer, SHCLTRANSFERID *pidTransfer);
890int ShClTransferCtxTransferRegisterById(PSHCLTRANSFERCTX pTransferCtx, PSHCLTRANSFER pTransfer, SHCLTRANSFERID idTransfer);
891int ShClTransferCtxTransferUnregister(PSHCLTRANSFERCTX pTransferCtx, SHCLTRANSFERID idTransfer);
892
893#ifdef VBOX_WITH_SHARED_CLIPBOARD_TRANSFERS_HTTP
894int ShClHttpTransferCreate(PSHCLHTTPCONTEXT pCtx, PSHCLTRANSFER pTransfer);
895int ShClHttpTransferDestroy(PSHCLHTTPCONTEXT pCtx, PSHCLTRANSFER pTransfer);
896
897int ShClTransferHttpServerCreate(PSHCLHTTPSERVER pSrv, uint16_t *puPort);
898int ShClTransferHttpServerCreateEx(PSHCLHTTPSERVER pSrv, uint16_t uPort);
899int ShClTransferHttpServerDestroy(PSHCLHTTPSERVER pSrv);
900void ShClTransferHttpServerInit(PSHCLHTTPSERVER pSrv);
901int ShClTransferHttpServerRegisterTransfer(PSHCLHTTPSERVER pSrv, PSHCLTRANSFER pTransfer);
902int ShClTransferHttpServerUnregisterTransfer(PSHCLHTTPSERVER pSrv, PSHCLTRANSFER pTransfer);
903bool ShClTransferHttpServerHasTransfer(PSHCLHTTPSERVER pSrv, SHCLTRANSFERID idTransfer);
904uint16_t ShClTransferHttpServerGetPort(PSHCLHTTPSERVER pSrv);
905uint32_t ShClTransferHttpServerGetTransferCount(PSHCLHTTPSERVER pSrv);
906char *ShClTransferHttpServerGetAddressA(PSHCLHTTPSERVER pSrv);
907char *ShClTransferHttpServerGetUrlA(PSHCLHTTPSERVER pSrv, SHCLTRANSFERID idTransfer);
908bool ShClTransferHttpServerIsRunning(PSHCLHTTPSERVER pSrv);
909#endif /* VBOX_WITH_SHARED_CLIPBOARD_TRANSFERS_HTTP */
910
911void ShClFsObjFromIPRT(PSHCLFSOBJINFO pDst, PCRTFSOBJINFO pSrc);
912
913bool ShClMIMEHasFileURLs(const char *pcszFormat, size_t cchFormatMax);
914bool ShClMIMENeedsCache(const char *pcszFormat, size_t cchFormatMax);
915
916const char *ShClTransferStatusToStr(SHCLTRANSFERSTATUS enmStatus);
917
918#endif /* !VBOX_INCLUDED_GuestHost_SharedClipboard_transfers_h */
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