RTFtpServer.cpp@ 97698

Last change on this file since 97698 was 96407, checked in by vboxsync, 2 years ago
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1	/* $Id: RTFtpServer.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2	/** @file
3	* IPRT - Utility for running a (simple) FTP server.
4	*
5	* Use this setup to best see what's going on:
6	* VBOX_LOG=rt_ftp=~0
7	* VBOX_LOG_DEST="nofile stderr"
8	* VBOX_LOG_FLAGS="unbuffered enabled thread msprog"
9	*
10	*/
11
12	/*
13	* Copyright (C) 2020-2022 Oracle and/or its affiliates.
14	*
15	* This file is part of VirtualBox base platform packages, as
16	* available from https://www.virtualbox.org.
17	*
18	* This program is free software; you can redistribute it and/or
19	* modify it under the terms of the GNU General Public License
20	* as published by the Free Software Foundation, in version 3 of the
21	* License.
22	*
23	* This program is distributed in the hope that it will be useful, but
24	* WITHOUT ANY WARRANTY; without even the implied warranty of
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26	* General Public License for more details.
27	*
28	* You should have received a copy of the GNU General Public License
29	* along with this program; if not, see <https://www.gnu.org/licenses>.
30	*
31	* The contents of this file may alternatively be used under the terms
32	* of the Common Development and Distribution License Version 1.0
33	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
34	* in the VirtualBox distribution, in which case the provisions of the
35	* CDDL are applicable instead of those of the GPL.
36	*
37	* You may elect to license modified versions of this file under the
38	* terms and conditions of either the GPL or the CDDL or both.
39	*
40	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
41	*/
42
43
44	/*********************************************************************************************************************************
45	* Header Files *
46	*********************************************************************************************************************************/
47	#include <signal.h>
48
49	#include <iprt/ftp.h>
50
51	#include <iprt/net.h> /* To make use of IPv4Addr in RTGETOPTUNION. */
52
53	#include <iprt/asm.h>
54	#include <iprt/assert.h>
55	#include <iprt/ctype.h>
56	#include <iprt/err.h>
57	#include <iprt/file.h>
58	#include <iprt/getopt.h>
59	#include <iprt/initterm.h>
60	#include <iprt/mem.h>
61	#include <iprt/message.h>
62	#include <iprt/path.h>
63	#include <iprt/stream.h>
64	#include <iprt/string.h>
65	#include <iprt/thread.h>
66	#include <iprt/vfs.h>
67
68	#ifdef RT_OS_WINDOWS
69	# include <iprt/win/windows.h>
70	#endif
71
72
73	/*********************************************************************************************************************************
74	* Definitations *
75	*********************************************************************************************************************************/
76	typedef struct FTPSERVERDATA
77	{
78	/** The absolute path of the FTP server's root directory. */
79	char szPathRootAbs[RTPATH_MAX];
80	/** The relative current working directory (CWD) to szRootDir. */
81	char szCWD[RTPATH_MAX];
82	} FTPSERVERDATA;
83	typedef FTPSERVERDATA *PFTPSERVERDATA;
84
85	/**
86	* Enumeration specifying the VFS handle type of the FTP server.
87	*/
88	typedef enum FTPSERVERVFSHANDLETYPE
89	{
90	FTPSERVERVFSHANDLETYPE_INVALID = 0,
91	FTPSERVERVFSHANDLETYPE_FILE,
92	FTPSERVERVFSHANDLETYPE_DIR,
93	/** The usual 32-bit hack. */
94	FTPSERVERVFSHANDLETYPE_32BIT_HACK = 0x7fffffff
95	} FTPSERVERVFSHANDLETYPE;
96
97	/**
98	* Structure for keeping a VFS handle of the FTP server.
99	*/
100	typedef struct FTPSERVERVFSHANDLE
101	{
102	/** The type of the handle, stored in the union below. */
103	FTPSERVERVFSHANDLETYPE enmType;
104	union
105	{
106	/** The VFS (chain) handle to use for this file. */
107	RTVFSFILE hVfsFile;
108	/** The VFS (chain) handle to use for this directory. */
109	RTVFSDIR hVfsDir;
110	} u;
111	} FTPSERVERVFSHANDLE;
112	typedef FTPSERVERVFSHANDLE *PFTPSERVERVFSHANDLE;
113
114
115	/*********************************************************************************************************************************
116	* Global Variables *
117	*********************************************************************************************************************************/
118	/** Set by the signal handler when the FTP server shall be terminated. */
119	static volatile bool g_fCanceled = false;
120	static FTPSERVERDATA g_FtpServerData;
121
122
123	#ifdef RT_OS_WINDOWS
124	static BOOL WINAPI signalHandler(DWORD dwCtrlType) RT_NOTHROW_DEF
125	{
126	bool fEventHandled = FALSE;
127	switch (dwCtrlType)
128	{
129	/* User pressed CTRL+C or CTRL+BREAK or an external event was sent
130	* via GenerateConsoleCtrlEvent(). */
131	case CTRL_BREAK_EVENT:
132	case CTRL_CLOSE_EVENT:
133	case CTRL_C_EVENT:
134	ASMAtomicWriteBool(&g_fCanceled, true);
135	fEventHandled = TRUE;
136	break;
137	default:
138	break;
139	/** @todo Add other events here. */
140	}
141
142	return fEventHandled;
143	}
144	#else /* !RT_OS_WINDOWS */
145	/**
146	* Signal handler that sets g_fCanceled.
147	*
148	* This can be executed on any thread in the process, on Windows it may even be
149	* a thread dedicated to delivering this signal. Don't do anything
150	* unnecessary here.
151	*/
152	static void signalHandler(int iSignal) RT_NOTHROW_DEF
153	{
154	NOREF(iSignal);
155	ASMAtomicWriteBool(&g_fCanceled, true);
156	}
157	#endif
158
159	/**
160	* Installs a custom signal handler to get notified
161	* whenever the user wants to intercept the program.
162	*
163	* @todo Make this handler available for all VBoxManage modules?
164	*/
165	static int signalHandlerInstall(void)
166	{
167	g_fCanceled = false;
168
169	int rc = VINF_SUCCESS;
170	#ifdef RT_OS_WINDOWS
171	if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)signalHandler, TRUE /* Add handler */))
172	{
173	rc = RTErrConvertFromWin32(GetLastError());
174	RTMsgError("Unable to install console control handler, rc=%Rrc\n", rc);
175	}
176	#else
177	signal(SIGINT, signalHandler);
178	signal(SIGTERM, signalHandler);
179	# ifdef SIGBREAK
180	signal(SIGBREAK, signalHandler);
181	# endif
182	#endif
183	return rc;
184	}
185
186	/**
187	* Uninstalls a previously installed signal handler.
188	*/
189	static int signalHandlerUninstall(void)
190	{
191	int rc = VINF_SUCCESS;
192	#ifdef RT_OS_WINDOWS
193	if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)NULL, FALSE /* Remove handler */))
194	{
195	rc = RTErrConvertFromWin32(GetLastError());
196	RTMsgError("Unable to uninstall console control handler, rc=%Rrc\n", rc);
197	}
198	#else
199	signal(SIGINT, SIG_DFL);
200	signal(SIGTERM, SIG_DFL);
201	# ifdef SIGBREAK
202	signal(SIGBREAK, SIG_DFL);
203	# endif
204	#endif
205	return rc;
206	}
207
208	static DECLCALLBACK(int) onUserConnect(PRTFTPCALLBACKDATA pData, const char *pcszUser)
209	{
210	RT_NOREF(pData, pcszUser);
211
212	RTPrintf("User '%s' connected\n", pcszUser);
213
214	return VINF_SUCCESS;
215	}
216
217	static DECLCALLBACK(int) onUserAuthenticate(PRTFTPCALLBACKDATA pData, const char pcszUser, const char pcszPassword)
218	{
219	RT_NOREF(pData, pcszUser, pcszPassword);
220
221	RTPrintf("Authenticating user '%s' ...\n", pcszUser);
222
223	return VINF_SUCCESS;
224	}
225
226	static DECLCALLBACK(int) onUserDisonnect(PRTFTPCALLBACKDATA pData, const char *pcszUser)
227	{
228	RT_NOREF(pData);
229
230	RTPrintf("User '%s' disconnected\n", pcszUser);
231
232	return VINF_SUCCESS;
233	}
234
235	static DECLCALLBACK(int) onFileOpen(PRTFTPCALLBACKDATA pData, const char pcszPath, uint32_t fMode, void *ppvHandle)
236	{
237	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
238	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
239
240	PFTPSERVERVFSHANDLE pHandle = (PFTPSERVERVFSHANDLE)RTMemAllocZ(sizeof(FTPSERVERVFSHANDLE));
241	if (!pHandle)
242	return VERR_NO_MEMORY;
243
244	char *pszPathAbs = NULL;
245	if (RTStrAPrintf(&pszPathAbs, "%s/%s", pThis->szPathRootAbs, pcszPath) <= 0)
246	return VERR_NO_MEMORY;
247
248	int rc = RTVfsChainOpenFile(pszPathAbs, fMode, &pHandle->u.hVfsFile, NULL /poffError /, NULL /* pErrInfo */);
249	if (RT_SUCCESS(rc))
250	{
251	pHandle->enmType = FTPSERVERVFSHANDLETYPE_FILE;
252
253	*ppvHandle = pHandle;
254	}
255	else
256	RTMemFree(pHandle);
257
258	RTStrFree(pszPathAbs);
259
260	return rc;
261	}
262
263	static DECLCALLBACK(int) onFileRead(PRTFTPCALLBACKDATA pData, void pvHandle, void pvBuf, size_t cbToRead, size_t *pcbRead)
264	{
265	RT_NOREF(pData);
266
267	PFTPSERVERVFSHANDLE pHandle = (PFTPSERVERVFSHANDLE)pvHandle;
268	AssertPtrReturn(pHandle, VERR_INVALID_POINTER);
269	AssertReturn(pHandle->enmType == FTPSERVERVFSHANDLETYPE_FILE, VERR_INVALID_PARAMETER);
270
271	return RTVfsFileRead(pHandle->u.hVfsFile, pvBuf, cbToRead, pcbRead);
272	}
273
274	static DECLCALLBACK(int) onFileClose(PRTFTPCALLBACKDATA pData, void *pvHandle)
275	{
276	RT_NOREF(pData);
277
278	PFTPSERVERVFSHANDLE pHandle = (PFTPSERVERVFSHANDLE)pvHandle;
279	AssertPtrReturn(pHandle, VERR_INVALID_POINTER);
280	AssertReturn(pHandle->enmType == FTPSERVERVFSHANDLETYPE_FILE, VERR_INVALID_PARAMETER);
281
282	int rc = RTVfsFileRelease(pHandle->u.hVfsFile);
283	if (RT_SUCCESS(rc))
284	{
285	RTMemFree(pvHandle);
286	pvHandle = NULL;
287	}
288
289	return rc;
290	}
291
292	static DECLCALLBACK(int) onFileGetSize(PRTFTPCALLBACKDATA pData, const char pcszPath, uint64_t puSize)
293	{
294	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
295	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
296
297	char *pszStat = NULL;
298	if (RTStrAPrintf(&pszStat, "%s/%s", pThis->szPathRootAbs, pcszPath) <= 0)
299	return VERR_NO_MEMORY;
300
301	RTPrintf("Retrieving file size for '%s' ...\n", pcszPath);
302
303	RTFILE hFile;
304	int rc = RTFileOpen(&hFile, pcszPath,
305	RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_WRITE);
306	if (RT_SUCCESS(rc))
307	{
308	rc = RTFileQuerySize(hFile, puSize);
309	if (RT_SUCCESS(rc))
310	RTPrintf("File size is: %RU64\n", *puSize);
311	RTFileClose(hFile);
312	}
313
314	RTStrFree(pszStat);
315
316	return rc;
317	}
318
319	static DECLCALLBACK(int) onFileStat(PRTFTPCALLBACKDATA pData, const char *pcszPath, PRTFSOBJINFO pFsObjInfo)
320	{
321	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
322	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
323
324	char *pszStat = NULL;
325	if (RTStrAPrintf(&pszStat, "%s/%s", pThis->szPathRootAbs, pcszPath) <= 0)
326	return VERR_NO_MEMORY;
327
328	RTPrintf("Stat for '%s'\n", pszStat);
329
330	RTFILE hFile;
331	int rc = RTFileOpen(&hFile, pszStat,
332	RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_WRITE);
333	if (RT_SUCCESS(rc))
334	{
335	RTFSOBJINFO fsObjInfo;
336	rc = RTFileQueryInfo(hFile, &fsObjInfo, RTFSOBJATTRADD_NOTHING);
337	if (RT_SUCCESS(rc))
338	{
339	if (pFsObjInfo)
340	*pFsObjInfo = fsObjInfo;
341	}
342
343	RTFileClose(hFile);
344	}
345
346	RTStrFree(pszStat);
347
348	return rc;
349	}
350
351	static DECLCALLBACK(int) onPathSetCurrent(PRTFTPCALLBACKDATA pData, const char *pcszCWD)
352	{
353	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
354	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
355
356	RTPrintf("Setting current directory to '%s'\n", pcszCWD);
357
358	/** @todo BUGBUG Santiy checks! */
359
360	return RTStrCopy(pThis->szCWD, sizeof(pThis->szCWD), pcszCWD);
361	}
362
363	static DECLCALLBACK(int) onPathGetCurrent(PRTFTPCALLBACKDATA pData, char *pszPWD, size_t cbPWD)
364	{
365	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
366	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
367
368	RTPrintf("Current directory is: '%s'\n", pThis->szCWD);
369
370	return RTStrCopy(pszPWD, cbPWD, pThis->szCWD);
371	}
372
373	static DECLCALLBACK(int) onPathUp(PRTFTPCALLBACKDATA pData)
374	{
375	RT_NOREF(pData);
376
377	return VINF_SUCCESS;
378	}
379
380	static DECLCALLBACK(int) onDirOpen(PRTFTPCALLBACKDATA pData, const char pcszPath, void *ppvHandle)
381	{
382	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
383	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
384
385	PFTPSERVERVFSHANDLE pHandle = (PFTPSERVERVFSHANDLE)RTMemAllocZ(sizeof(FTPSERVERVFSHANDLE));
386	if (!pHandle)
387	return VERR_NO_MEMORY;
388
389	/* Construct absolute path. */
390	char *pszPathAbs = NULL;
391	if (RTStrAPrintf(&pszPathAbs, "%s/%s", pThis->szPathRootAbs, pcszPath) <= 0)
392	return VERR_NO_MEMORY;
393
394	RTPrintf("Opening directory '%s'\n", pszPathAbs);
395
396	int rc = RTVfsChainOpenDir(pszPathAbs, 0 /fFlags/, &pHandle->u.hVfsDir, NULL /* poffError /, NULL / pErrInfo */);
397	if (RT_SUCCESS(rc))
398	{
399	pHandle->enmType = FTPSERVERVFSHANDLETYPE_DIR;
400
401	*ppvHandle = pHandle;
402	}
403	else
404	{
405	RTMemFree(pHandle);
406	}
407
408	RTStrFree(pszPathAbs);
409
410	return rc;
411	}
412
413	static DECLCALLBACK(int) onDirClose(PRTFTPCALLBACKDATA pData, void *pvHandle)
414	{
415	RT_NOREF(pData);
416
417	PFTPSERVERVFSHANDLE pHandle = (PFTPSERVERVFSHANDLE)pvHandle;
418	AssertPtrReturn(pHandle, VERR_INVALID_POINTER);
419	AssertReturn(pHandle->enmType == FTPSERVERVFSHANDLETYPE_DIR, VERR_INVALID_PARAMETER);
420
421	RTVfsDirRelease(pHandle->u.hVfsDir);
422
423	RTMemFree(pHandle);
424	pHandle = NULL;
425
426	return VINF_SUCCESS;
427	}
428
429	static DECLCALLBACK(int) onDirRead(PRTFTPCALLBACKDATA pData, void pvHandle, char *ppszEntry,
430	PRTFSOBJINFO pInfo, char ppszOwner, char ppszGroup, char **ppszTarget)
431	{
432	RT_NOREF(pData);
433	RT_NOREF(ppszTarget); /* No symlinks yet */
434
435	PFTPSERVERVFSHANDLE pHandle = (PFTPSERVERVFSHANDLE)pvHandle;
436	AssertPtrReturn(pHandle, VERR_INVALID_POINTER);
437	AssertReturn(pHandle->enmType == FTPSERVERVFSHANDLETYPE_DIR, VERR_INVALID_PARAMETER);
438
439	size_t cbDirEntryAlloced = sizeof(RTDIRENTRYEX);
440	PRTDIRENTRYEX pDirEntry = (PRTDIRENTRYEX)RTMemTmpAlloc(cbDirEntryAlloced);
441	if (!pDirEntry)
442	return VERR_NO_MEMORY;
443
444	int rc;
445
446	for (;;)
447	{
448	size_t cbDirEntry = cbDirEntryAlloced;
449	rc = RTVfsDirReadEx(pHandle->u.hVfsDir, pDirEntry, &cbDirEntry, RTFSOBJATTRADD_UNIX);
450	if (RT_FAILURE(rc))
451	{
452	if (rc == VERR_BUFFER_OVERFLOW)
453	{
454	RTMemTmpFree(pDirEntry);
455	cbDirEntryAlloced = RT_ALIGN_Z(RT_MIN(cbDirEntry, cbDirEntryAlloced) + 64, 64);
456	pDirEntry = (PRTDIRENTRYEX)RTMemTmpAlloc(cbDirEntryAlloced);
457	if (pDirEntry)
458	continue;
459	}
460	else if (rc != VERR_NO_MORE_FILES)
461	break;
462	}
463
464	if (RT_SUCCESS(rc))
465	{
466	if (pDirEntry->Info.Attr.u.Unix.uid != NIL_RTUID)
467	{
468	RTFSOBJINFO OwnerInfo;
469	rc = RTVfsDirQueryPathInfo(pHandle->u.hVfsDir,
470	pDirEntry->szName, &OwnerInfo, RTFSOBJATTRADD_UNIX_OWNER, RTPATH_F_ON_LINK);
471	if ( RT_SUCCESS(rc)
472	&& OwnerInfo.Attr.u.UnixOwner.szName[0])
473	{
474	*ppszOwner = RTStrDup(&OwnerInfo.Attr.u.UnixOwner.szName[0]);
475	if (!*ppszOwner)
476	rc = VERR_NO_MEMORY;
477	}
478	}
479
480	if ( RT_SUCCESS(rc)
481	&& pDirEntry->Info.Attr.u.Unix.gid != NIL_RTGID)
482	{
483	RTFSOBJINFO GroupInfo;
484	rc = RTVfsDirQueryPathInfo(pHandle->u.hVfsDir,
485	pDirEntry->szName, &GroupInfo, RTFSOBJATTRADD_UNIX_GROUP, RTPATH_F_ON_LINK);
486	if ( RT_SUCCESS(rc)
487	&& GroupInfo.Attr.u.UnixGroup.szName[0])
488	{
489	*ppszGroup = RTStrDup(&GroupInfo.Attr.u.UnixGroup.szName[0]);
490	if (!*ppszGroup)
491	rc = VERR_NO_MEMORY;
492	}
493	}
494	}
495
496	*ppszEntry = RTStrDup(pDirEntry->szName);
497	AssertPtrReturn(*ppszEntry, VERR_NO_MEMORY);
498
499	*pInfo = pDirEntry->Info;
500
501	break;
502
503	} /* for */
504
505	RTMemTmpFree(pDirEntry);
506	pDirEntry = NULL;
507
508	return rc;
509	}
510
511	int main(int argc, char **argv)
512	{
513	int rc = RTR3InitExe(argc, &argv, 0);
514	if (RT_FAILURE(rc))
515	return RTMsgInitFailure(rc);
516
517	/* Use some sane defaults. */
518	char szAddress[64] = "localhost";
519	uint16_t uPort = 2121;
520
521	RT_ZERO(g_FtpServerData);
522
523	/*
524	* Parse arguments.
525	*/
526	static const RTGETOPTDEF s_aOptions[] =
527	{
528	{ "--address", 'a', RTGETOPT_REQ_IPV4ADDR }, /** @todo Use a string for DNS hostnames? */
529	/** @todo Implement IPv6 support? */
530	{ "--port", 'p', RTGETOPT_REQ_UINT16 },
531	{ "--root-dir", 'r', RTGETOPT_REQ_STRING },
532	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING }
533	};
534
535	RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
536	unsigned uVerbosityLevel = 1;
537
538	RTGETOPTUNION ValueUnion;
539	RTGETOPTSTATE GetState;
540	RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
541	while ((rc = RTGetOpt(&GetState, &ValueUnion)))
542	{
543	switch (rc)
544	{
545	case 'a':
546	RTStrPrintf2(szAddress, sizeof(szAddress), "%RU8.%RU8.%RU8.%RU8", /** @todo Improve this. */
547	ValueUnion.IPv4Addr.au8[0], ValueUnion.IPv4Addr.au8[1], ValueUnion.IPv4Addr.au8[2], ValueUnion.IPv4Addr.au8[3]);
548	break;
549
550	case 'p':
551	uPort = ValueUnion.u16;
552	break;
553
554	case 'r':
555	RTStrCopy(g_FtpServerData.szPathRootAbs, sizeof(g_FtpServerData.szPathRootAbs), ValueUnion.psz);
556	break;
557
558	case 'v':
559	uVerbosityLevel++;
560	break;
561
562	case 'h':
563	RTPrintf("Usage: %s [options]\n"
564	"\n"
565	"Options:\n"
566	" -a, --address (default: localhost)\n"
567	" Specifies the address to use for listening.\n"
568	" -p, --port (default: 2121)\n"
569	" Specifies the port to use for listening.\n"
570	" -r, --root-dir (default: current dir)\n"
571	" Specifies the root directory being served.\n"
572	" -v, --verbose\n"
573	" Controls the verbosity level.\n"
574	" -h, -?, --help\n"
575	" Display this help text and exit successfully.\n"
576	" -V, --version\n"
577	" Display the revision and exit successfully.\n"
578	, RTPathFilename(argv[0]));
579	return RTEXITCODE_SUCCESS;
580
581	case 'V':
582	RTPrintf("$Revision: 96407 $\n");
583	return RTEXITCODE_SUCCESS;
584
585	default:
586	return RTGetOptPrintError(rc, &ValueUnion);
587	}
588	}
589
590	if (!strlen(g_FtpServerData.szPathRootAbs))
591	{
592	/* By default use the current directory as serving root directory. */
593	rc = RTPathGetCurrent(g_FtpServerData.szPathRootAbs, sizeof(g_FtpServerData.szPathRootAbs));
594	if (RT_FAILURE(rc))
595	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Retrieving current directory failed: %Rrc", rc);
596	}
597
598	/* Initialize CWD. */
599	RTStrPrintf2(g_FtpServerData.szCWD, sizeof(g_FtpServerData.szCWD), "/");
600
601	/* Install signal handler. */
602	rc = signalHandlerInstall();
603	if (RT_SUCCESS(rc))
604	{
605	/*
606	* Create the FTP server instance.
607	*/
608	RTFTPSERVERCALLBACKS Callbacks;
609	RT_ZERO(Callbacks);
610
611	Callbacks.pfnOnUserConnect = onUserConnect;
612	Callbacks.pfnOnUserAuthenticate = onUserAuthenticate;
613	Callbacks.pfnOnUserDisconnect = onUserDisonnect;
614	Callbacks.pfnOnFileOpen = onFileOpen;
615	Callbacks.pfnOnFileRead = onFileRead;
616	Callbacks.pfnOnFileClose = onFileClose;
617	Callbacks.pfnOnFileGetSize = onFileGetSize;
618	Callbacks.pfnOnFileStat = onFileStat;
619	Callbacks.pfnOnPathSetCurrent = onPathSetCurrent;
620	Callbacks.pfnOnPathGetCurrent = onPathGetCurrent;
621	Callbacks.pfnOnPathUp = onPathUp;
622	Callbacks.pfnOnDirOpen = onDirOpen;
623	Callbacks.pfnOnDirClose = onDirClose;
624	Callbacks.pfnOnDirRead = onDirRead;
625
626	RTFTPSERVER hFTPServer;
627	rc = RTFtpServerCreate(&hFTPServer, szAddress, uPort, &Callbacks,
628	&g_FtpServerData, sizeof(g_FtpServerData));
629	if (RT_SUCCESS(rc))
630	{
631	RTPrintf("Starting FTP server at %s:%RU16 ...\n", szAddress, uPort);
632	RTPrintf("Root directory is '%s'\n", g_FtpServerData.szPathRootAbs);
633
634	RTPrintf("Running FTP server ...\n");
635
636	for (;;)
637	{
638	RTThreadSleep(200);
639
640	if (g_fCanceled)
641	break;
642	}
643
644	RTPrintf("Stopping FTP server ...\n");
645
646	int rc2 = RTFtpServerDestroy(hFTPServer);
647	if (RT_SUCCESS(rc))
648	rc = rc2;
649
650	RTPrintf("Stopped FTP server\n");
651	}
652	else
653	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTFTPServerCreate failed: %Rrc", rc);
654
655	int rc2 = signalHandlerUninstall();
656	if (RT_SUCCESS(rc))
657	rc = rc2;
658	}
659
660	/* Set rcExit on failure in case we forgot to do so before. */
661	if (RT_FAILURE(rc))
662	rcExit = RTEXITCODE_FAILURE;
663
664	return rcExit;
665	}
666

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source: vbox/trunk/src/VBox/Runtime/tools/RTFtpServer.cpp@ 97698

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