RTFTPServer.cpp@ 82842

最後變更在這個檔案從82842是 82842,由 vboxsync 提交於 5 年前
IPRT/FTP: Retrieving files in sub directories also works now. bugref:9646
屬性 svn:eol-style 設為 `native` 屬性 svn:keywords 設為 `Author Date Id Revision`
檔案大小: 19.1 KB

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1	/* $Id: RTFTPServer.cpp 82842 2020-01-23 10:16:23Z vboxsync $ */
2	/** @file
3	* IPRT - Utility for running a (simple) FTP server.
4	*/
5
6	/*
7	* Copyright (C) 2020 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	* 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	/*
28	* Use this setup to best see what's going on:
29	*
30	* VBOX_LOG=rt_ftp=~0
31	* VBOX_LOG_DEST="nofile stderr"
32	* VBOX_LOG_FLAGS="unbuffered enabled thread msprog"
33	*
34	*/
35
36
37	/*********************************************************************************************************************************
38	* Header Files *
39	*********************************************************************************************************************************/
40	#include <signal.h>
41
42	#include <iprt/ftp.h>
43
44	#include <iprt/net.h> /* To make use of IPv4Addr in RTGETOPTUNION. */
45
46	#include <iprt/asm.h>
47	#include <iprt/assert.h>
48	#include <iprt/ctype.h>
49	#include <iprt/err.h>
50	#include <iprt/file.h>
51	#include <iprt/getopt.h>
52	#include <iprt/initterm.h>
53	#include <iprt/mem.h>
54	#include <iprt/message.h>
55	#include <iprt/path.h>
56	#include <iprt/stream.h>
57	#include <iprt/string.h>
58	#include <iprt/thread.h>
59	#include <iprt/vfs.h>
60
61	#ifdef RT_OS_WINDOWS
62	# include <iprt/win/windows.h>
63	#endif
64
65
66	/*********************************************************************************************************************************
67	* Definitations *
68	*********************************************************************************************************************************/
69	typedef struct FTPSERVERDATA
70	{
71	/** The absolute path of the FTP server's root directory. */
72	char szPathRootAbs[RTPATH_MAX];
73	/** The relative current working directory (CWD) to szRootDir. */
74	char szCWD[RTPATH_MAX];
75	RTFILE hFile;
76	} FTPSERVERDATA;
77	typedef FTPSERVERDATA *PFTPSERVERDATA;
78
79	typedef struct FTPDIRHANDLE
80	{
81	/** The VFS (chain) handle to use for this directory. */
82	RTVFSDIR hVfsDir;
83	} FTPDIRHANDLE;
84	typedef FTPDIRHANDLE *PFTPDIRHANDLE;
85
86
87	/*********************************************************************************************************************************
88	* Global Variables *
89	*********************************************************************************************************************************/
90	/** Set by the signal handler when the FTP server shall be terminated. */
91	static volatile bool g_fCanceled = false;
92	static FTPSERVERDATA g_FTPServerData;
93
94
95	#ifdef RT_OS_WINDOWS
96	static BOOL WINAPI signalHandler(DWORD dwCtrlType)
97	{
98	bool fEventHandled = FALSE;
99	switch (dwCtrlType)
100	{
101	/* User pressed CTRL+C or CTRL+BREAK or an external event was sent
102	* via GenerateConsoleCtrlEvent(). */
103	case CTRL_BREAK_EVENT:
104	case CTRL_CLOSE_EVENT:
105	case CTRL_C_EVENT:
106	ASMAtomicWriteBool(&g_fCanceled, true);
107	fEventHandled = TRUE;
108	break;
109	default:
110	break;
111	/** @todo Add other events here. */
112	}
113
114	return fEventHandled;
115	}
116	#else /* !RT_OS_WINDOWS */
117	/**
118	* Signal handler that sets g_fCanceled.
119	*
120	* This can be executed on any thread in the process, on Windows it may even be
121	* a thread dedicated to delivering this signal. Don't do anything
122	* unnecessary here.
123	*/
124	static void signalHandler(int iSignal)
125	{
126	NOREF(iSignal);
127	ASMAtomicWriteBool(&g_fCanceled, true);
128	}
129	#endif
130
131	/**
132	* Installs a custom signal handler to get notified
133	* whenever the user wants to intercept the program.
134	*
135	* @todo Make this handler available for all VBoxManage modules?
136	*/
137	static int signalHandlerInstall(void)
138	{
139	g_fCanceled = false;
140
141	int rc = VINF_SUCCESS;
142	#ifdef RT_OS_WINDOWS
143	if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)signalHandler, TRUE /* Add handler */))
144	{
145	rc = RTErrConvertFromWin32(GetLastError());
146	RTMsgError("Unable to install console control handler, rc=%Rrc\n", rc);
147	}
148	#else
149	signal(SIGINT, signalHandler);
150	signal(SIGTERM, signalHandler);
151	# ifdef SIGBREAK
152	signal(SIGBREAK, signalHandler);
153	# endif
154	#endif
155	return rc;
156	}
157
158	/**
159	* Uninstalls a previously installed signal handler.
160	*/
161	static int signalHandlerUninstall(void)
162	{
163	int rc = VINF_SUCCESS;
164	#ifdef RT_OS_WINDOWS
165	if (!SetConsoleCtrlHandler((PHANDLER_ROUTINE)NULL, FALSE /* Remove handler */))
166	{
167	rc = RTErrConvertFromWin32(GetLastError());
168	RTMsgError("Unable to uninstall console control handler, rc=%Rrc\n", rc);
169	}
170	#else
171	signal(SIGINT, SIG_DFL);
172	signal(SIGTERM, SIG_DFL);
173	# ifdef SIGBREAK
174	signal(SIGBREAK, SIG_DFL);
175	# endif
176	#endif
177	return rc;
178	}
179
180	static DECLCALLBACK(int) onUserConnect(PRTFTPCALLBACKDATA pData, const char *pcszUser)
181	{
182	RT_NOREF(pData, pcszUser);
183
184	RTPrintf("User '%s' connected\n", pcszUser);
185
186	return VINF_SUCCESS;
187	}
188
189	static DECLCALLBACK(int) onUserAuthenticate(PRTFTPCALLBACKDATA pData, const char pcszUser, const char pcszPassword)
190	{
191	RT_NOREF(pData, pcszUser, pcszPassword);
192
193	RTPrintf("Authenticating user '%s' ...\n", pcszUser);
194
195	return VINF_SUCCESS;
196	}
197
198	static DECLCALLBACK(int) onUserDisonnect(PRTFTPCALLBACKDATA pData, const char *pcszUser)
199	{
200	RT_NOREF(pData);
201
202	RTPrintf("User '%s' disconnected\n", pcszUser);
203
204	return VINF_SUCCESS;
205	}
206
207	static DECLCALLBACK(int) onFileOpen(PRTFTPCALLBACKDATA pData, const char pcszPath, uint32_t fMode, void *ppvHandle)
208	{
209	RT_NOREF(ppvHandle);
210
211	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
212	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
213
214	char *pszPathAbs = NULL;
215	if (RTStrAPrintf(&pszPathAbs, "%s/%s", pThis->szPathRootAbs, pcszPath) <= 0)
216	return VERR_NO_MEMORY;
217
218	int rc = RTFileOpen(&pThis->hFile, pszPathAbs, fMode);
219
220	RTStrFree(pszPathAbs);
221
222	return rc;
223	}
224
225	static DECLCALLBACK(int) onFileRead(PRTFTPCALLBACKDATA pData, void pvHandle, void pvBuf, size_t cbToRead, size_t *pcbRead)
226	{
227	RT_NOREF(pvHandle);
228
229	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
230	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
231
232	return RTFileRead(pThis->hFile, pvBuf, cbToRead, pcbRead);
233	}
234
235	static DECLCALLBACK(int) onFileClose(PRTFTPCALLBACKDATA pData, void *pvHandle)
236	{
237	RT_NOREF(pvHandle);
238
239	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
240	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
241
242	int rc = RTFileClose(pThis->hFile);
243	if (RT_SUCCESS(rc))
244	{
245	pThis->hFile = NIL_RTFILE;
246	}
247
248	return rc;
249	}
250
251	static DECLCALLBACK(int) onFileGetSize(PRTFTPCALLBACKDATA pData, const char pcszPath, uint64_t puSize)
252	{
253	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
254	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
255
256	char *pszStat = NULL;
257	if (RTStrAPrintf(&pszStat, "%s/%s", pThis->szPathRootAbs, pcszPath) <= 0)
258	return VERR_NO_MEMORY;
259
260	RTPrintf("Retrieving file size for '%s' ...\n", pcszPath);
261
262	RTFILE hFile;
263	int rc = RTFileOpen(&hFile, pcszPath,
264	RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_WRITE);
265	if (RT_SUCCESS(rc))
266	{
267	rc = RTFileQuerySize(hFile, puSize);
268	if (RT_SUCCESS(rc))
269	RTPrintf("File size is: %RU64\n", *puSize);
270	RTFileClose(hFile);
271	}
272
273	RTStrFree(pszStat);
274
275	return rc;
276	}
277
278	static DECLCALLBACK(int) onFileStat(PRTFTPCALLBACKDATA pData, const char *pcszPath, PRTFSOBJINFO pFsObjInfo)
279	{
280	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
281	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
282
283	char *pszStat = NULL;
284	if (RTStrAPrintf(&pszStat, "%s/%s", pThis->szPathRootAbs, pcszPath) <= 0)
285	return VERR_NO_MEMORY;
286
287	RTPrintf("Stat for '%s'\n", pszStat);
288
289	RTFILE hFile;
290	int rc = RTFileOpen(&hFile, pszStat,
291	RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_WRITE);
292	if (RT_SUCCESS(rc))
293	{
294	RTFSOBJINFO fsObjInfo;
295	rc = RTFileQueryInfo(hFile, &fsObjInfo, RTFSOBJATTRADD_NOTHING);
296	if (RT_SUCCESS(rc))
297	{
298	if (pFsObjInfo)
299	*pFsObjInfo = fsObjInfo;
300	}
301
302	RTFileClose(hFile);
303	}
304
305	RTStrFree(pszStat);
306
307	return rc;
308	}
309
310	static DECLCALLBACK(int) onPathSetCurrent(PRTFTPCALLBACKDATA pData, const char *pcszCWD)
311	{
312	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
313	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
314
315	RTPrintf("Setting current directory to '%s'\n", pcszCWD);
316
317	/** @todo BUGBUG Santiy checks! */
318
319	return RTStrCopy(pThis->szCWD, sizeof(pThis->szCWD), pcszCWD);
320	}
321
322	static DECLCALLBACK(int) onPathGetCurrent(PRTFTPCALLBACKDATA pData, char *pszPWD, size_t cbPWD)
323	{
324	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
325	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
326
327	RTPrintf("Current directory is: '%s'\n", pThis->szCWD);
328
329	return RTStrCopy(pszPWD, cbPWD, pThis->szCWD);
330	}
331
332	static DECLCALLBACK(int) onPathUp(PRTFTPCALLBACKDATA pData)
333	{
334	RT_NOREF(pData);
335
336	return VINF_SUCCESS;
337	}
338
339	static DECLCALLBACK(int) onDirOpen(PRTFTPCALLBACKDATA pData, const char pcszPath, void *ppvHandle)
340	{
341	PFTPSERVERDATA pThis = (PFTPSERVERDATA)pData->pvUser;
342	Assert(pData->cbUser == sizeof(FTPSERVERDATA));
343
344	PFTPDIRHANDLE pHandle = (PFTPDIRHANDLE)RTMemAllocZ(sizeof(FTPDIRHANDLE));
345	if (!pHandle)
346	return VERR_NO_MEMORY;
347
348	/* Construct absolute path. */
349	char *pszPathAbs = NULL;
350	if (RTStrAPrintf(&pszPathAbs, "%s/%s", pThis->szPathRootAbs, pcszPath) <= 0)
351	return VERR_NO_MEMORY;
352
353	RTPrintf("Opening directory '%s'\n", pszPathAbs);
354
355	int rc = RTVfsChainOpenDir(pszPathAbs, 0 /fFlags/, &pHandle->hVfsDir, NULL /* poffError /, NULL / pErrInfo */);
356	if (RT_SUCCESS(rc))
357	{
358	*ppvHandle = pHandle;
359	}
360	else
361	{
362	RTMemFree(pHandle);
363	}
364
365	RTStrFree(pszPathAbs);
366
367	return rc;
368	}
369
370	static DECLCALLBACK(int) onDirClose(PRTFTPCALLBACKDATA pData, void *pvHandle)
371	{
372	RT_NOREF(pData);
373
374	PFTPDIRHANDLE pHandle = (PFTPDIRHANDLE)pvHandle;
375	AssertPtrReturn(pHandle, VERR_INVALID_POINTER);
376
377	RTVfsDirRelease(pHandle->hVfsDir);
378
379	RTMemFree(pHandle);
380	pHandle = NULL;
381
382	return VINF_SUCCESS;
383	}
384
385	static DECLCALLBACK(int) onDirRead(PRTFTPCALLBACKDATA pData, void pvHandle, char *ppszEntry,
386	PRTFSOBJINFO pInfo, char ppszOwner, char ppszGroup, char **ppszTarget)
387	{
388	RT_NOREF(pData);
389	RT_NOREF(ppszTarget); /* No symlinks yet */
390
391	PFTPDIRHANDLE pHandle = (PFTPDIRHANDLE)pvHandle;
392	AssertPtrReturn(pHandle, VERR_INVALID_POINTER);
393
394	size_t cbDirEntryAlloced = sizeof(RTDIRENTRYEX);
395	PRTDIRENTRYEX pDirEntry = (PRTDIRENTRYEX)RTMemTmpAlloc(cbDirEntryAlloced);
396	if (!pDirEntry)
397	return VERR_NO_MEMORY;
398
399	int rc;
400
401	for (;;)
402	{
403	size_t cbDirEntry = cbDirEntryAlloced;
404	rc = RTVfsDirReadEx(pHandle->hVfsDir, pDirEntry, &cbDirEntry, RTFSOBJATTRADD_UNIX);
405	if (RT_FAILURE(rc))
406	{
407	if (rc == VERR_BUFFER_OVERFLOW)
408	{
409	RTMemTmpFree(pDirEntry);
410	cbDirEntryAlloced = RT_ALIGN_Z(RT_MIN(cbDirEntry, cbDirEntryAlloced) + 64, 64);
411	pDirEntry = (PRTDIRENTRYEX)RTMemTmpAlloc(cbDirEntryAlloced);
412	if (pDirEntry)
413	continue;
414	}
415	else if (rc != VERR_NO_MORE_FILES)
416	break;
417	}
418
419	if (RT_SUCCESS(rc))
420	{
421	if (pDirEntry->Info.Attr.u.Unix.uid != NIL_RTUID)
422	{
423	RTFSOBJINFO OwnerInfo;
424	rc = RTVfsDirQueryPathInfo(pHandle->hVfsDir,
425	pDirEntry->szName, &OwnerInfo, RTFSOBJATTRADD_UNIX_OWNER, RTPATH_F_ON_LINK);
426	if ( RT_SUCCESS(rc)
427	&& OwnerInfo.Attr.u.UnixOwner.szName[0])
428	{
429	*ppszOwner = RTStrDup(&OwnerInfo.Attr.u.UnixOwner.szName[0]);
430	if (!*ppszOwner)
431	rc = VERR_NO_MEMORY;
432	}
433	}
434
435	if ( RT_SUCCESS(rc)
436	&& pDirEntry->Info.Attr.u.Unix.gid != NIL_RTGID)
437	{
438	RTFSOBJINFO GroupInfo;
439	rc = RTVfsDirQueryPathInfo(pHandle->hVfsDir,
440	pDirEntry->szName, &GroupInfo, RTFSOBJATTRADD_UNIX_GROUP, RTPATH_F_ON_LINK);
441	if ( RT_SUCCESS(rc)
442	&& GroupInfo.Attr.u.UnixGroup.szName[0])
443	{
444	*ppszGroup = RTStrDup(&GroupInfo.Attr.u.UnixGroup.szName[0]);
445	if (!*ppszGroup)
446	rc = VERR_NO_MEMORY;
447	}
448	}
449	}
450
451	*ppszEntry = RTStrDup(pDirEntry->szName);
452	AssertPtrReturn(*ppszEntry, VERR_NO_MEMORY);
453
454	*pInfo = pDirEntry->Info;
455
456	break;
457
458	} /* for */
459
460	RTMemTmpFree(pDirEntry);
461	pDirEntry = NULL;
462
463	return rc;
464	}
465
466	int main(int argc, char **argv)
467	{
468	int rc = RTR3InitExe(argc, &argv, 0);
469	if (RT_FAILURE(rc))
470	return RTMsgInitFailure(rc);
471
472	/* Use some sane defaults. */
473	char szAddress[64] = "localhost";
474	uint16_t uPort = 2121;
475
476	RT_ZERO(g_FTPServerData);
477
478	/*
479	* Parse arguments.
480	*/
481	static const RTGETOPTDEF s_aOptions[] =
482	{
483	{ "--address", 'a', RTGETOPT_REQ_IPV4ADDR }, /** @todo Use a string for DNS hostnames? */
484	/** @todo Implement IPv6 support? */
485	{ "--port", 'p', RTGETOPT_REQ_UINT16 },
486	{ "--root-dir", 'r', RTGETOPT_REQ_STRING },
487	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING }
488	};
489
490	RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
491	unsigned uVerbosityLevel = 1;
492
493	RTGETOPTUNION ValueUnion;
494	RTGETOPTSTATE GetState;
495	RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_OPTS_FIRST);
496	while ((rc = RTGetOpt(&GetState, &ValueUnion)))
497	{
498	switch (rc)
499	{
500	case 'a':
501	RTStrPrintf2(szAddress, sizeof(szAddress), "%RU8.%RU8.%RU8.%RU8", /** @todo Improve this. */
502	ValueUnion.IPv4Addr.au8[0], ValueUnion.IPv4Addr.au8[1], ValueUnion.IPv4Addr.au8[2], ValueUnion.IPv4Addr.au8[3]);
503	break;
504
505	case 'p':
506	uPort = ValueUnion.u16;
507	break;
508
509	case 'r':
510	RTStrCopy(g_FTPServerData.szPathRootAbs, sizeof(g_FTPServerData.szPathRootAbs), ValueUnion.psz);
511	break;
512
513	case 'v':
514	uVerbosityLevel++;
515	break;
516
517	case 'h':
518	RTPrintf("Usage: %s [options]\n"
519	"\n"
520	"Options:\n"
521	" -a, --address (default: localhost)\n"
522	" Specifies the address to use for listening.\n"
523	" -p, --port (default: 2121)\n"
524	" Specifies the port to use for listening.\n"
525	" -r, --root-dir (default: current dir)\n"
526	" Specifies the root directory being served.\n"
527	" -v, --verbose\n"
528	" Controls the verbosity level.\n"
529	" -h, -?, --help\n"
530	" Display this help text and exit successfully.\n"
531	" -V, --version\n"
532	" Display the revision and exit successfully.\n"
533	, RTPathFilename(argv[0]));
534	return RTEXITCODE_SUCCESS;
535
536	case 'V':
537	RTPrintf("$Revision: 82842 $\n");
538	return RTEXITCODE_SUCCESS;
539
540	default:
541	return RTGetOptPrintError(rc, &ValueUnion);
542	}
543	}
544
545	if (!strlen(g_FTPServerData.szPathRootAbs))
546	{
547	/* By default use the current directory as serving root directory. */
548	rc = RTPathGetCurrent(g_FTPServerData.szPathRootAbs, sizeof(g_FTPServerData.szPathRootAbs));
549	if (RT_FAILURE(rc))
550	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Retrieving current directory failed: %Rrc", rc);
551	}
552
553	/* Initialize CWD. */
554	RTStrPrintf2(g_FTPServerData.szCWD, sizeof(g_FTPServerData.szCWD), "/");
555
556	/* Install signal handler. */
557	rc = signalHandlerInstall();
558	if (RT_SUCCESS(rc))
559	{
560	/*
561	* Create the FTP server instance.
562	*/
563	RTFTPSERVERCALLBACKS Callbacks;
564	RT_ZERO(Callbacks);
565
566	Callbacks.pfnOnUserConnect = onUserConnect;
567	Callbacks.pfnOnUserAuthenticate = onUserAuthenticate;
568	Callbacks.pfnOnUserDisconnect = onUserDisonnect;
569	Callbacks.pfnOnFileOpen = onFileOpen;
570	Callbacks.pfnOnFileRead = onFileRead;
571	Callbacks.pfnOnFileClose = onFileClose;
572	Callbacks.pfnOnFileGetSize = onFileGetSize;
573	Callbacks.pfnOnFileStat = onFileStat;
574	Callbacks.pfnOnPathSetCurrent = onPathSetCurrent;
575	Callbacks.pfnOnPathGetCurrent = onPathGetCurrent;
576	Callbacks.pfnOnPathUp = onPathUp;
577	Callbacks.pfnOnDirOpen = onDirOpen;
578	Callbacks.pfnOnDirClose = onDirClose;
579	Callbacks.pfnOnDirRead = onDirRead;
580
581	RTFTPSERVER hFTPServer;
582	rc = RTFtpServerCreate(&hFTPServer, szAddress, uPort, &Callbacks,
583	&g_FTPServerData, sizeof(g_FTPServerData));
584	if (RT_SUCCESS(rc))
585	{
586	RTPrintf("Starting FTP server at %s:%RU16 ...\n", szAddress, uPort);
587	RTPrintf("Root directory is '%s'\n", g_FTPServerData.szPathRootAbs);
588
589	RTPrintf("Running FTP server ...\n");
590
591	for (;;)
592	{
593	RTThreadSleep(200);
594
595	if (g_fCanceled)
596	break;
597	}
598
599	RTPrintf("Stopping FTP server ...\n");
600
601	int rc2 = RTFtpServerDestroy(hFTPServer);
602	if (RT_SUCCESS(rc))
603	rc = rc2;
604
605	RTPrintf("Stopped FTP server\n");
606	}
607	else
608	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTFTPServerCreate failed: %Rrc", rc);
609
610	int rc2 = signalHandlerUninstall();
611	if (RT_SUCCESS(rc))
612	rc = rc2;
613	}
614
615	/* Set rcExit on failure in case we forgot to do so before. */
616	if (RT_FAILURE(rc))
617	rcExit = RTEXITCODE_FAILURE;
618
619	return rcExit;
620	}
621

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