tarcmd.cpp@ 71627

Last change on this file since 71627 was 69111, checked in by vboxsync, 7 years ago
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1	/* $Id: tarcmd.cpp 69111 2017-10-17 14:26:02Z vboxsync $ */
2	/** @file
3	* IPRT - A mini TAR Command.
4	*/
5
6	/*
7	* Copyright (C) 2010-2017 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
28	/*********************************************************************************************************************************
29	* Header Files *
30	*********************************************************************************************************************************/
31	#include <iprt/zip.h>
32
33	#include <iprt/asm.h>
34	#include <iprt/buildconfig.h>
35	#include <iprt/ctype.h>
36	#include <iprt/dir.h>
37	#include <iprt/file.h>
38	#include <iprt/getopt.h>
39	#include <iprt/initterm.h>
40	#include <iprt/mem.h>
41	#include <iprt/message.h>
42	#include <iprt/param.h>
43	#include <iprt/path.h>
44	#include <iprt/stream.h>
45	#include <iprt/string.h>
46	#include <iprt/symlink.h>
47	#include <iprt/vfs.h>
48
49
50	/*********************************************************************************************************************************
51	* Defined Constants And Macros *
52	*********************************************************************************************************************************/
53	#define RTZIPTARCMD_OPT_DELETE 1000
54	#define RTZIPTARCMD_OPT_OWNER 1001
55	#define RTZIPTARCMD_OPT_GROUP 1002
56	#define RTZIPTARCMD_OPT_UTC 1003
57	#define RTZIPTARCMD_OPT_PREFIX 1004
58	#define RTZIPTARCMD_OPT_FILE_MODE_AND_MASK 1005
59	#define RTZIPTARCMD_OPT_FILE_MODE_OR_MASK 1006
60	#define RTZIPTARCMD_OPT_DIR_MODE_AND_MASK 1007
61	#define RTZIPTARCMD_OPT_DIR_MODE_OR_MASK 1008
62	#define RTZIPTARCMD_OPT_FORMAT 1009
63	#define RTZIPTARCMD_OPT_READ_AHEAD 1010
64	#define RTZIPTARCMD_OPT_USE_PUSH_FILE 1011
65
66	/** File format. */
67	typedef enum RTZIPTARCMDFORMAT
68	{
69	RTZIPTARCMDFORMAT_INVALID = 0,
70	/** Autodetect if possible, defaulting to TAR. */
71	RTZIPTARCMDFORMAT_AUTO_DEFAULT,
72	/** TAR. */
73	RTZIPTARCMDFORMAT_TAR,
74	/** XAR. */
75	RTZIPTARCMDFORMAT_XAR
76	} RTZIPTARCMDFORMAT;
77
78
79	/*********************************************************************************************************************************
80	* Structures and Typedefs *
81	*********************************************************************************************************************************/
82	/**
83	* IPRT TAR option structure.
84	*/
85	typedef struct RTZIPTARCMDOPS
86	{
87	/** The file format. */
88	RTZIPTARCMDFORMAT enmFormat;
89
90	/** The operation (Acdrtux or RTZIPTARCMD_OPT_DELETE). */
91	int iOperation;
92	/** The long operation option name. */
93	const char *pszOperation;
94
95	/** The directory to change into when packing and unpacking. */
96	const char *pszDirectory;
97	/** The tar file name. */
98	const char *pszFile;
99	/** Whether we're verbose or quiet. */
100	bool fVerbose;
101	/** Whether to preserve the original file owner when restoring. */
102	bool fPreserveOwner;
103	/** Whether to preserve the original file group when restoring. */
104	bool fPreserveGroup;
105	/** Whether to skip restoring the modification time (only time stored by the
106	* traditional TAR format). */
107	bool fNoModTime;
108	/** Whether to add a read ahead thread. */
109	bool fReadAhead;
110	/** Use RTVfsFsStrmPushFile instead of RTVfsFsStrmAdd for files. */
111	bool fUsePushFile;
112	/** The compressor/decompressor method to employ (0, z or j). */
113	char chZipper;
114
115	/** The owner to set. NULL if not applicable.
116	* Always resolved into uidOwner for extraction. */
117	const char *pszOwner;
118	/** The owner ID to set. NIL_RTUID if not applicable. */
119	RTUID uidOwner;
120	/** The group to set. NULL if not applicable.
121	* Always resolved into gidGroup for extraction. */
122	const char *pszGroup;
123	/** The group ID to set. NIL_RTGUID if not applicable. */
124	RTGID gidGroup;
125	/** Display the modification times in UTC instead of local time. */
126	bool fDisplayUtc;
127	/** File mode AND mask. */
128	RTFMODE fFileModeAndMask;
129	/** File mode OR mask. */
130	RTFMODE fFileModeOrMask;
131	/** Directory mode AND mask. */
132	RTFMODE fDirModeAndMask;
133	/** Directory mode OR mask. */
134	RTFMODE fDirModeOrMask;
135
136	/** What to prefix all names with when creating, adding, whatever. */
137	const char *pszPrefix;
138
139	/** The number of files(, directories or whatever) specified. */
140	uint32_t cFiles;
141	/** Array of files(, directories or whatever).
142	* Terminated by a NULL entry. */
143	const char * const *papszFiles;
144
145	/** The TAR format to create. */
146	RTZIPTARFORMAT enmTarFormat;
147	/** TAR creation flags. */
148	uint32_t fTarCreate;
149
150	} RTZIPTARCMDOPS;
151	/** Pointer to the IPRT tar options. */
152	typedef RTZIPTARCMDOPS *PRTZIPTARCMDOPS;
153
154	/**
155	* Callback used by rtZipTarDoWithMembers
156	*
157	* @returns rcExit or RTEXITCODE_FAILURE.
158	* @param pOpts The tar options.
159	* @param hVfsObj The tar object to display
160	* @param pszName The name.
161	* @param rcExit The current exit code.
162	*/
163	typedef RTEXITCODE (PFNDOWITHMEMBER)(PRTZIPTARCMDOPS pOpts, RTVFSOBJ hVfsObj, const char pszName, RTEXITCODE rcExit);
164
165
166	/**
167	* Checks if @a pszName is a member of @a papszNames, optionally returning the
168	* index.
169	*
170	* @returns true if the name is in the list, otherwise false.
171	* @param pszName The name to find.
172	* @param papszNames The array of names.
173	* @param piName Where to optionally return the array index.
174	*/
175	static bool rtZipTarCmdIsNameInArray(const char pszName, const char const papszNames, uint32_t piName)
176	{
177	for (uint32_t iName = 0; papszNames[iName]; iName++)
178	if (!strcmp(papszNames[iName], pszName))
179	{
180	if (piName)
181	*piName = iName;
182	return true;
183	}
184	return false;
185	}
186
187
188	/**
189	* Archives a file.
190	*
191	* @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + printed message.
192	* @param pOpts The options.
193	* @param hVfsFss The TAR filesystem stream handle.
194	* @param pszSrc The file path or VFS spec.
195	* @param paObjInfo[3] Array of three FS object info structures. The first
196	* one is always filled with RTFSOBJATTRADD_UNIX info.
197	* The next two may contain owner and group names if
198	* available. Buffers can be modified.
199	* @param pszDst The name to archive the file under.
200	* @param pErrInfo Error info buffer (saves stack space).
201	*/
202	static RTEXITCODE rtZipTarCmdArchiveFile(PRTZIPTARCMDOPS pOpts, RTVFSFSSTREAM hVfsFss, const char *pszSrc,
203	RTFSOBJINFO paObjInfo[3], const char *pszDst, PRTERRINFOSTATIC pErrInfo)
204	{
205	if (pOpts->fVerbose)
206	RTPrintf("%s\n", pszDst);
207
208	/* Open the file. */
209	uint32_t offError;
210	RTVFSIOSTREAM hVfsIosSrc;
211	int rc = RTVfsChainOpenIoStream(pszSrc, RTFILE_O_READ \| RTFILE_O_OPEN \| RTFILE_O_DENY_NONE,
212	&hVfsIosSrc, &offError, RTErrInfoInitStatic(pErrInfo));
213	if (RT_FAILURE(rc))
214	return RTVfsChainMsgErrorExitFailure("RTVfsChainOpenIoStream", pszSrc, rc, offError, &pErrInfo->Core);
215
216	/* I/O stream to base object. */
217	RTVFSOBJ hVfsObjSrc = RTVfsObjFromIoStream(hVfsIosSrc);
218	if (hVfsObjSrc != NIL_RTVFSOBJ)
219	{
220	/*
221	* Add it to the stream. Got to variants here so we can test the
222	* RTVfsFsStrmPushFile API too.
223	*/
224	if (!pOpts->fUsePushFile)
225	rc = RTVfsFsStrmAdd(hVfsFss, pszDst, hVfsObjSrc, 0 /fFlags/);
226	else
227	{
228	uint32_t cObjInfo = 1 + (paObjInfo[1].Attr.enmAdditional == RTFSOBJATTRADD_UNIX_OWNER)
229	+ (paObjInfo[2].Attr.enmAdditional == RTFSOBJATTRADD_UNIX_GROUP);
230	RTVFSIOSTREAM hVfsIosDst;
231	rc = RTVfsFsStrmPushFile(hVfsFss, pszDst, paObjInfo[0].cbObject, paObjInfo, cObjInfo, 0 /fFlags/, &hVfsIosDst);
232	if (RT_SUCCESS(rc))
233	{
234	rc = RTVfsUtilPumpIoStreams(hVfsIosSrc, hVfsIosDst, 0);
235	RTVfsIoStrmRelease(hVfsIosDst);
236	}
237	}
238	RTVfsIoStrmRelease(hVfsIosSrc);
239	RTVfsObjRelease(hVfsObjSrc);
240
241	if (RT_SUCCESS(rc))
242	{
243	if (rc != VINF_SUCCESS)
244	RTMsgWarning("%Rrc adding '%s'", rc, pszDst);
245	return RTEXITCODE_SUCCESS;
246	}
247	return RTMsgErrorExitFailure("%Rrc adding '%s'", rc, pszDst);
248	}
249	RTVfsIoStrmRelease(hVfsIosSrc);
250	return RTMsgErrorExitFailure("RTVfsObjFromIoStream failed unexpectedly!");
251	}
252
253
254	/**
255	* Archives a directory recursively .
256	*
257	* @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + printed message.
258	* @param pOpts The options.
259	* @param hVfsFss The TAR filesystem stream handle.
260	* @param pszSrc The directory path or VFS spec. We append to the
261	* buffer as we decend.
262	* @param cchSrc The length of the input.
263	* @param paObjInfo[3] Array of three FS object info structures. The first
264	* one is always filled with RTFSOBJATTRADD_UNIX info.
265	* The next two may contain owner and group names if
266	* available. The three buffers can be reused.
267	* @param pszDst The name to archive it the under. We append to the
268	* buffer as we decend.
269	* @param cchDst The length of the input.
270	* @param pErrInfo Error info buffer (saves stack space).
271	*/
272	static RTEXITCODE rtZipTarCmdArchiveDir(PRTZIPTARCMDOPS pOpts, RTVFSFSSTREAM hVfsFss, char pszSrc[RTPATH_MAX], size_t cchSrc,
273	RTFSOBJINFO paObjInfo[3], char pszDst[RTPATH_MAX], size_t cchDst,
274	PRTERRINFOSTATIC pErrInfo)
275	{
276	RT_NOREF(pOpts, hVfsFss, pszSrc, cchSrc, paObjInfo, pszDst, cchDst, pErrInfo);
277	return RTMsgErrorExitFailure("Adding directories has not yet been implemented! Sorry.");
278	}
279
280
281
282	/**
283	* Opens the output archive specified by the options.
284	*
285	* @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + printed message.
286	* @param pOpts The options.
287	* @param phVfsFss Where to return the TAR filesystem stream handle.
288	*/
289	static RTEXITCODE rtZipTarCmdOpenOutputArchive(PRTZIPTARCMDOPS pOpts, PRTVFSFSSTREAM phVfsFss)
290	{
291	int rc;
292	*phVfsFss = NIL_RTVFSFSSTREAM;
293
294	/*
295	* Open the output file.
296	*/
297	RTVFSIOSTREAM hVfsIos;
298	if ( pOpts->pszFile
299	&& strcmp(pOpts->pszFile, "-") != 0)
300	{
301	uint32_t offError = 0;
302	RTERRINFOSTATIC ErrInfo;
303	rc = RTVfsChainOpenIoStream(pOpts->pszFile, RTFILE_O_WRITE \| RTFILE_O_DENY_WRITE \| RTFILE_O_CREATE_REPLACE,
304	&hVfsIos, &offError, RTErrInfoInitStatic(&ErrInfo));
305	if (RT_FAILURE(rc))
306	return RTVfsChainMsgErrorExitFailure("RTVfsChainOpenIoStream", pOpts->pszFile, rc, offError, &ErrInfo.Core);
307	}
308	else
309	{
310	rc = RTVfsIoStrmFromStdHandle(RTHANDLESTD_OUTPUT,
311	RTFILE_O_WRITE \| RTFILE_O_DENY_WRITE \| RTFILE_O_OPEN,
312	true /fLeaveOpen/,
313	&hVfsIos);
314	if (RT_FAILURE(rc))
315	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to prepare standard output for writing: %Rrc", rc);
316	}
317
318	/*
319	* Pass it thru a compressor?
320	*/
321	RTVFSIOSTREAM hVfsIosComp = NIL_RTVFSIOSTREAM;
322	switch (pOpts->chZipper)
323	{
324	/* no */
325	case '\0':
326	rc = VINF_SUCCESS;
327	break;
328
329	/* gunzip */
330	case 'z':
331	rc = RTZipGzipCompressIoStream(hVfsIos, 0 /fFlags/, 6, &hVfsIosComp);
332	if (RT_FAILURE(rc))
333	RTMsgError("Failed to open gzip decompressor: %Rrc", rc);
334	break;
335
336	/* bunzip2 */
337	case 'j':
338	rc = VERR_NOT_SUPPORTED;
339	RTMsgError("bzip2 is not supported by this build");
340	break;
341
342	/* bug */
343	default:
344	rc = VERR_INTERNAL_ERROR_2;
345	RTMsgError("unknown decompression method '%c'", pOpts->chZipper);
346	break;
347	}
348	if (RT_FAILURE(rc))
349	{
350	RTVfsIoStrmRelease(hVfsIos);
351	return RTEXITCODE_FAILURE;
352	}
353
354	if (hVfsIosComp != NIL_RTVFSIOSTREAM)
355	{
356	RTVfsIoStrmRelease(hVfsIos);
357	hVfsIos = hVfsIosComp;
358	hVfsIosComp = NIL_RTVFSIOSTREAM;
359	}
360
361	/*
362	* Open the filesystem stream creator.
363	*/
364	if ( pOpts->enmFormat == RTZIPTARCMDFORMAT_TAR
365	\|\| pOpts->enmFormat == RTZIPTARCMDFORMAT_AUTO_DEFAULT)
366	{
367	RTVFSFSSTREAM hVfsFss;
368	rc = RTZipTarFsStreamToIoStream(hVfsIos, pOpts->enmTarFormat, pOpts->fTarCreate, &hVfsFss);
369	if (RT_SUCCESS(rc))
370	{
371	/*
372	* Set transformation options.
373	*/
374	rc = RTZipTarFsStreamSetFileMode(hVfsFss, pOpts->fFileModeAndMask, pOpts->fFileModeOrMask);
375	if (RT_SUCCESS(rc))
376	{
377	rc = RTZipTarFsStreamSetDirMode(hVfsFss, pOpts->fDirModeAndMask, pOpts->fDirModeOrMask);
378	if (RT_FAILURE(rc))
379	RTMsgError("RTZipTarFsStreamSetDirMode(%o,%o) failed: %Rrc", pOpts->fDirModeAndMask, pOpts->fDirModeOrMask, rc);
380	}
381	else
382	RTMsgError("RTZipTarFsStreamSetFileMode(%o,%o) failed: %Rrc", pOpts->fFileModeAndMask, pOpts->fFileModeOrMask, rc);
383	if ((pOpts->pszOwner \|\| pOpts->uidOwner != NIL_RTUID) && RT_SUCCESS(rc))
384	{
385	rc = RTZipTarFsStreamSetOwner(hVfsFss, pOpts->uidOwner, pOpts->pszOwner);
386	if (RT_FAILURE(rc))
387	RTMsgError("RTZipTarFsStreamSetOwner(%d,%s) failed: %Rrc", pOpts->uidOwner, pOpts->pszOwner, rc);
388	}
389	if ((pOpts->pszGroup \|\| pOpts->gidGroup != NIL_RTGID) && RT_SUCCESS(rc))
390	{
391	rc = RTZipTarFsStreamSetGroup(hVfsFss, pOpts->gidGroup, pOpts->pszGroup);
392	if (RT_FAILURE(rc))
393	RTMsgError("RTZipTarFsStreamSetGroup(%d,%s) failed: %Rrc", pOpts->gidGroup, pOpts->pszGroup, rc);
394	}
395	if (RT_SUCCESS(rc))
396	*phVfsFss = hVfsFss;
397	else
398	{
399	RTVfsFsStrmRelease(hVfsFss);
400	*phVfsFss = NIL_RTVFSFSSTREAM;
401	}
402	}
403	else
404	rc = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to open tar filesystem stream: %Rrc", rc);
405	}
406	else
407	rc = VERR_NOT_SUPPORTED;
408	RTVfsIoStrmRelease(hVfsIos);
409	if (RT_FAILURE(rc))
410	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to open tar filesystem stream: %Rrc", rc);
411
412	return RTEXITCODE_SUCCESS;
413	}
414
415
416	/**
417	* Implements archive creation.
418	*
419	* @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + printed message.
420	* @param pOpts The options.
421	*/
422	static RTEXITCODE rtZipTarCreate(PRTZIPTARCMDOPS pOpts)
423	{
424	/*
425	* Refuse to create empty archive.
426	*/
427	if (pOpts->cFiles == 0)
428	return RTMsgErrorExitFailure("Nothing to archive - refusing to create empty archive!");
429
430	/*
431	* First open the output file.
432	*/
433	RTVFSFSSTREAM hVfsFss;
434	RTEXITCODE rcExit = rtZipTarCmdOpenOutputArchive(pOpts, &hVfsFss);
435	if (rcExit != RTEXITCODE_SUCCESS)
436	return rcExit;
437
438	/*
439	* Process the input files.
440	*/
441	for (uint32_t iFile = 0; iFile < pOpts->cFiles; iFile++)
442	{
443	const char *pszFile = pOpts->papszFiles[iFile];
444
445	/*
446	* Construct/copy the source name.
447	*/
448	int rc = VINF_SUCCESS;
449	char szSrc[RTPATH_MAX];
450	if ( RTPathStartsWithRoot(pszFile)
451	\|\| RTVfsChainIsSpec(pszFile))
452	rc = RTStrCopy(szSrc, sizeof(szSrc), pszFile);
453	else
454	rc = RTPathJoin(szSrc, sizeof(szSrc), pOpts->pszDirectory ? pOpts->pszDirectory : ".", pOpts->papszFiles[iFile]);
455	if (RT_SUCCESS(rc))
456	{
457	/*
458	* Construct the archived name. We must strip leading root specifier.
459	*/
460	char *pszFinalPath = NULL;
461	char szDst[RTPATH_MAX];
462	const char *pszDst = pszFile;
463	if (RTVfsChainIsSpec(pszFile))
464	{
465	uint32_t offError;
466	rc = RTVfsChainQueryFinalPath(pszFile, &pszFinalPath, &offError);
467	if (RT_SUCCESS(rc))
468	pszDst = pszFinalPath;
469	else
470	rcExit = RTVfsChainMsgErrorExitFailure("RTVfsChainQueryFinalPath", pszFile, rc, offError, NULL);
471	}
472	if (RT_SUCCESS(rc))
473	{
474	pszDst = RTPathSkipRootSpec(pszDst);
475	if (*pszDst == '\0')
476	{
477	pszDst = pOpts->pszPrefix ? pOpts->pszPrefix : ".";
478	rc = RTStrCopy(szDst, sizeof(szDst), pszDst);
479	}
480	else
481	{
482	if (pOpts->pszPrefix)
483	rc = RTPathJoin(szDst, sizeof(szDst), pOpts->pszPrefix, pszDst);
484	else
485	rc = RTStrCopy(szDst, sizeof(szDst), pszDst);
486	}
487	if (RT_SUCCESS(rc))
488	{
489	/*
490	* What kind of object is this and what affiliations does it have?
491	*/
492	RTERRINFOSTATIC ErrInfo;
493	uint32_t offError;
494	RTFSOBJINFO aObjInfo[3];
495	rc = RTVfsChainQueryInfo(szSrc, &aObjInfo[0], RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK,
496	&offError, RTErrInfoInitStatic(&ErrInfo));
497	if (RT_SUCCESS(rc))
498	{
499
500	rc = RTVfsChainQueryInfo(szSrc, &aObjInfo[1], RTFSOBJATTRADD_UNIX_OWNER, RTPATH_F_ON_LINK,
501	&offError, RTErrInfoInitStatic(&ErrInfo));
502	if (RT_SUCCESS(rc))
503	{
504	rc = RTVfsChainQueryInfo(szSrc, &aObjInfo[2], RTFSOBJATTRADD_UNIX_GROUP, RTPATH_F_ON_LINK,
505	&offError, RTErrInfoInitStatic(&ErrInfo));
506	if (RT_FAILURE(rc))
507	RT_ZERO(aObjInfo[2]);
508	}
509	else
510	{
511	RT_ZERO(aObjInfo[1]);
512	RT_ZERO(aObjInfo[2]);
513	}
514
515	/*
516	* Process on an object type basis.
517	*/
518	RTEXITCODE rcExit2;
519	if (RTFS_IS_DIRECTORY(aObjInfo[0].Attr.fMode))
520	rcExit2 = rtZipTarCmdArchiveDir(pOpts, hVfsFss, szSrc, strlen(szSrc), aObjInfo,
521	szDst, strlen(szDst), &ErrInfo);
522	else if (RTFS_IS_FILE(aObjInfo[0].Attr.fMode))
523	rcExit2 = rtZipTarCmdArchiveFile(pOpts, hVfsFss, szSrc, aObjInfo, szDst, &ErrInfo);
524	else if (RTFS_IS_SYMLINK(aObjInfo[0].Attr.fMode))
525	rcExit2 = RTMsgErrorExitFailure("Symlink archiving is not implemented");
526	else if (RTFS_IS_FIFO(aObjInfo[0].Attr.fMode))
527	rcExit2 = RTMsgErrorExitFailure("FIFO archiving is not implemented");
528	else if (RTFS_IS_SOCKET(aObjInfo[0].Attr.fMode))
529	rcExit2 = RTMsgErrorExitFailure("Socket archiving is not implemented");
530	else if (RTFS_IS_DEV_CHAR(aObjInfo[0].Attr.fMode) \|\| RTFS_IS_DEV_BLOCK(aObjInfo[0].Attr.fMode))
531	rcExit2 = RTMsgErrorExitFailure("Device archiving is not implemented");
532	else if (RTFS_IS_WHITEOUT(aObjInfo[0].Attr.fMode))
533	rcExit2 = RTEXITCODE_SUCCESS;
534	else
535	rcExit2 = RTMsgErrorExitFailure("Unknown file type: %#x\n", aObjInfo[0].Attr.fMode);
536	if (rcExit2 != RTEXITCODE_SUCCESS)
537	rcExit = rcExit2;
538	}
539	else
540	rcExit = RTVfsChainMsgErrorExitFailure("RTVfsChainQueryInfo", pszFile, rc, offError, &ErrInfo.Core);
541	}
542	else
543	rcExit = RTMsgErrorExitFailure("archived file name is too long, skipping '%s' (%s)", pszDst, pszFile);
544	}
545	}
546	else
547	rcExit = RTMsgErrorExitFailure("input file name is too long, skipping '%s'", pszFile);
548	}
549
550	/*
551	* Finalize the archive.
552	*/
553	int rc = RTVfsFsStrmEnd(hVfsFss);
554	if (RT_FAILURE(rc))
555	rcExit = RTMsgErrorExitFailure("RTVfsFsStrmEnd failed: %Rrc", rc);
556
557	RTVfsFsStrmRelease(hVfsFss);
558	return rcExit;
559	}
560
561
562	/**
563	* Opens the input archive specified by the options.
564	*
565	* @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + printed message.
566	* @param pOpts The options.
567	* @param phVfsFss Where to return the TAR filesystem stream handle.
568	*/
569	static RTEXITCODE rtZipTarCmdOpenInputArchive(PRTZIPTARCMDOPS pOpts, PRTVFSFSSTREAM phVfsFss)
570	{
571	int rc;
572
573	/*
574	* Open the input file.
575	*/
576	RTVFSIOSTREAM hVfsIos;
577	if ( pOpts->pszFile
578	&& strcmp(pOpts->pszFile, "-") != 0)
579	{
580	uint32_t offError = 0;
581	RTERRINFOSTATIC ErrInfo;
582	rc = RTVfsChainOpenIoStream(pOpts->pszFile, RTFILE_O_READ \| RTFILE_O_DENY_WRITE \| RTFILE_O_OPEN,
583	&hVfsIos, &offError, RTErrInfoInitStatic(&ErrInfo));
584	if (RT_FAILURE(rc))
585	return RTVfsChainMsgErrorExitFailure("RTVfsChainOpenIoStream", pOpts->pszFile, rc, offError, &ErrInfo.Core);
586	}
587	else
588	{
589	rc = RTVfsIoStrmFromStdHandle(RTHANDLESTD_INPUT,
590	RTFILE_O_READ \| RTFILE_O_DENY_WRITE \| RTFILE_O_OPEN,
591	true /fLeaveOpen/,
592	&hVfsIos);
593	if (RT_FAILURE(rc))
594	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to prepare standard in for reading: %Rrc", rc);
595	}
596
597	/*
598	* Pass it thru a decompressor?
599	*/
600	RTVFSIOSTREAM hVfsIosDecomp = NIL_RTVFSIOSTREAM;
601	switch (pOpts->chZipper)
602	{
603	/* no */
604	case '\0':
605	rc = VINF_SUCCESS;
606	break;
607
608	/* gunzip */
609	case 'z':
610	rc = RTZipGzipDecompressIoStream(hVfsIos, 0 /fFlags/, &hVfsIosDecomp);
611	if (RT_FAILURE(rc))
612	RTMsgError("Failed to open gzip decompressor: %Rrc", rc);
613	break;
614
615	/* bunzip2 */
616	case 'j':
617	rc = VERR_NOT_SUPPORTED;
618	RTMsgError("bzip2 is not supported by this build");
619	break;
620
621	/* bug */
622	default:
623	rc = VERR_INTERNAL_ERROR_2;
624	RTMsgError("unknown decompression method '%c'", pOpts->chZipper);
625	break;
626	}
627	if (RT_FAILURE(rc))
628	{
629	RTVfsIoStrmRelease(hVfsIos);
630	return RTEXITCODE_FAILURE;
631	}
632
633	if (hVfsIosDecomp != NIL_RTVFSIOSTREAM)
634	{
635	RTVfsIoStrmRelease(hVfsIos);
636	hVfsIos = hVfsIosDecomp;
637	hVfsIosDecomp = NIL_RTVFSIOSTREAM;
638	}
639
640	/*
641	* Open the filesystem stream.
642	*/
643	if (pOpts->enmFormat == RTZIPTARCMDFORMAT_TAR)
644	rc = RTZipTarFsStreamFromIoStream(hVfsIos, 0/fFlags/, phVfsFss);
645	else if (pOpts->enmFormat == RTZIPTARCMDFORMAT_XAR)
646	#ifdef IPRT_WITH_XAR /* Requires C++ and XML, so only in some configruation of IPRT. */
647	rc = RTZipXarFsStreamFromIoStream(hVfsIos, 0/fFlags/, phVfsFss);
648	#else
649	rc = VERR_NOT_SUPPORTED;
650	#endif
651	else /** @todo make RTZipTarFsStreamFromIoStream fail if not tar file! */
652	rc = RTZipTarFsStreamFromIoStream(hVfsIos, 0/fFlags/, phVfsFss);
653	RTVfsIoStrmRelease(hVfsIos);
654	if (RT_FAILURE(rc))
655	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to open tar filesystem stream: %Rrc", rc);
656
657	return RTEXITCODE_SUCCESS;
658	}
659
660
661	/**
662	* Worker for the --list and --extract commands.
663	*
664	* @returns The appropriate exit code.
665	* @param pOpts The tar options.
666	* @param pfnCallback The command specific callback.
667	*/
668	static RTEXITCODE rtZipTarDoWithMembers(PRTZIPTARCMDOPS pOpts, PFNDOWITHMEMBER pfnCallback)
669	{
670	/*
671	* Allocate a bitmap to go with the file list. This will be used to
672	* indicate which files we've processed and which not.
673	*/
674	uint32_t *pbmFound = NULL;
675	if (pOpts->cFiles)
676	{
677	pbmFound = (uint32_t )RTMemAllocZ(((pOpts->cFiles + 31) / 32) sizeof(uint32_t));
678	if (!pbmFound)
679	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to allocate the found-file-bitmap");
680	}
681
682
683	/*
684	* Open the input archive.
685	*/
686	RTVFSFSSTREAM hVfsFssIn;
687	RTEXITCODE rcExit = rtZipTarCmdOpenInputArchive(pOpts, &hVfsFssIn);
688	if (rcExit == RTEXITCODE_SUCCESS)
689	{
690	/*
691	* Process the stream.
692	*/
693	for (;;)
694	{
695	/*
696	* Retrive the next object.
697	*/
698	char *pszName;
699	RTVFSOBJ hVfsObj;
700	int rc = RTVfsFsStrmNext(hVfsFssIn, &pszName, NULL, &hVfsObj);
701	if (RT_FAILURE(rc))
702	{
703	if (rc != VERR_EOF)
704	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsFsStrmNext returned %Rrc", rc);
705	break;
706	}
707
708	/*
709	* Should we process this entry?
710	*/
711	uint32_t iFile = UINT32_MAX;
712	if ( !pOpts->cFiles
713	\|\| rtZipTarCmdIsNameInArray(pszName, pOpts->papszFiles, &iFile) )
714	{
715	if (pbmFound)
716	ASMBitSet(pbmFound, iFile);
717
718	rcExit = pfnCallback(pOpts, hVfsObj, pszName, rcExit);
719	}
720
721	/*
722	* Release the current object and string.
723	*/
724	RTVfsObjRelease(hVfsObj);
725	RTStrFree(pszName);
726	}
727
728	/*
729	* Complain about any files we didn't find.
730	*/
731	for (uint32_t iFile = 0; iFile < pOpts->cFiles; iFile++)
732	if (!ASMBitTest(pbmFound, iFile))
733	{
734	RTMsgError("%s: Was not found in the archive", pOpts->papszFiles[iFile]);
735	rcExit = RTEXITCODE_FAILURE;
736	}
737
738	RTVfsFsStrmRelease(hVfsFssIn);
739	}
740	RTMemFree(pbmFound);
741	return rcExit;
742	}
743
744
745	/**
746	* Checks if the name contains any escape sequences.
747	*
748	* An escape sequence would generally be one or more '..' references. On DOS
749	* like system, something that would make up a drive letter reference is also
750	* considered an escape sequence.
751	*
752	* @returns true / false.
753	* @param pszName The name to consider.
754	*/
755	static bool rtZipTarHasEscapeSequence(const char *pszName)
756	{
757	#if defined(RT_OS_WINDOWS) \|\| defined(RT_OS_OS2)
758	if (pszName[0] == ':')
759	return true;
760	#endif
761	while (*pszName)
762	{
763	while (RTPATH_IS_SEP(*pszName))
764	pszName++;
765	if ( pszName[0] == '.'
766	&& pszName[1] == '.'
767	&& (pszName[2] == '\0' \|\| RTPATH_IS_SLASH(pszName[2])) )
768	return true;
769	while (pszName && !RTPATH_IS_SEP(pszName))
770	pszName++;
771	}
772
773	return false;
774	}
775
776	#if !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2)
777
778	/**
779	* Queries the user ID to use when extracting a member.
780	*
781	* @returns rcExit or RTEXITCODE_FAILURE.
782	* @param pOpts The tar options.
783	* @param pUser The user info.
784	* @param pszName The file name to use when complaining.
785	* @param rcExit The current exit code.
786	* @param pUid Where to return the user ID.
787	*/
788	static RTEXITCODE rtZipTarQueryExtractOwner(PRTZIPTARCMDOPS pOpts, PCRTFSOBJINFO pOwner, const char *pszName, RTEXITCODE rcExit,
789	PRTUID pUid)
790	{
791	if (pOpts->uidOwner != NIL_RTUID)
792	*pUid = pOpts->uidOwner;
793	else if (pOpts->fPreserveGroup)
794	{
795	if (!pOwner->Attr.u.UnixGroup.szName[0])
796	*pUid = pOwner->Attr.u.UnixOwner.uid;
797	else
798	{
799	*pUid = NIL_RTUID;
800	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: User resolving is not implemented.", pszName);
801	}
802	}
803	else
804	*pUid = NIL_RTUID;
805	return rcExit;
806	}
807
808
809	/**
810	* Queries the group ID to use when extracting a member.
811	*
812	* @returns rcExit or RTEXITCODE_FAILURE.
813	* @param pOpts The tar options.
814	* @param pGroup The group info.
815	* @param pszName The file name to use when complaining.
816	* @param rcExit The current exit code.
817	* @param pGid Where to return the group ID.
818	*/
819	static RTEXITCODE rtZipTarQueryExtractGroup(PRTZIPTARCMDOPS pOpts, PCRTFSOBJINFO pGroup, const char *pszName, RTEXITCODE rcExit,
820	PRTGID pGid)
821	{
822	if (pOpts->gidGroup != NIL_RTGID)
823	*pGid = pOpts->gidGroup;
824	else if (pOpts->fPreserveGroup)
825	{
826	if (!pGroup->Attr.u.UnixGroup.szName[0])
827	*pGid = pGroup->Attr.u.UnixGroup.gid;
828	else
829	{
830	*pGid = NIL_RTGID;
831	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Group resolving is not implemented.", pszName);
832	}
833	}
834	else
835	*pGid = NIL_RTGID;
836	return rcExit;
837	}
838
839	#endif /* !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2) */
840
841
842	/**
843	* Extracts a file.
844	*
845	* Since we can restore permissions and attributes more efficiently by working
846	* directly on the file handle, we have special code path for files.
847	*
848	* @returns rcExit or RTEXITCODE_FAILURE.
849	* @param pOpts The tar options.
850	* @param hVfsObj The tar object to display
851	* @param rcExit The current exit code.
852	* @param pUnixInfo The unix fs object info.
853	* @param pOwner The owner info.
854	* @param pGroup The group info.
855	*/
856	static RTEXITCODE rtZipTarCmdExtractFile(PRTZIPTARCMDOPS pOpts, RTVFSOBJ hVfsObj, RTEXITCODE rcExit,
857	const char *pszDst, PCRTFSOBJINFO pUnixInfo, PCRTFSOBJINFO pOwner, PCRTFSOBJINFO pGroup)
858	{
859	/*
860	* Open the destination file and create a stream object for it.
861	*/
862	uint32_t fOpen = RTFILE_O_READWRITE \| RTFILE_O_DENY_WRITE \| RTFILE_O_CREATE_REPLACE \| RTFILE_O_ACCESS_ATTR_DEFAULT
863	\| ((RTFS_UNIX_IWUSR \| RTFS_UNIX_IRUSR) << RTFILE_O_CREATE_MODE_SHIFT);
864	RTFILE hFile;
865	int rc = RTFileOpen(&hFile, pszDst, fOpen);
866	if (RT_FAILURE(rc))
867	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error creating file: %Rrc", pszDst, rc);
868
869	RTVFSIOSTREAM hVfsIosDst;
870	rc = RTVfsIoStrmFromRTFile(hFile, fOpen, true /fLeaveOpen/, &hVfsIosDst);
871	if (RT_SUCCESS(rc))
872	{
873	/*
874	* Convert source to a stream and optionally add a read ahead stage.
875	*/
876	RTVFSIOSTREAM hVfsIosSrc = RTVfsObjToIoStream(hVfsObj);
877	if (pOpts->fReadAhead)
878	{
879	RTVFSIOSTREAM hVfsReadAhead;
880	rc = RTVfsCreateReadAheadForIoStream(hVfsIosSrc, 0 /fFlag/, 16 /cBuffers/, _256K /cbBuffer/, &hVfsReadAhead);
881	if (RT_SUCCESS(rc))
882	{
883	RTVfsIoStrmRelease(hVfsIosSrc);
884	hVfsIosSrc = hVfsReadAhead;
885	}
886	else
887	AssertRC(rc); /* can be ignored in release builds. */
888	}
889
890	/*
891	* Pump the data thru.
892	*/
893	rc = RTVfsUtilPumpIoStreams(hVfsIosSrc, hVfsIosDst, (uint32_t)RT_MIN(pUnixInfo->cbObject, _1M));
894	if (RT_SUCCESS(rc))
895	{
896	/*
897	* Correct the file mode and other attributes.
898	*/
899	if (!pOpts->fNoModTime)
900	{
901	rc = RTFileSetTimes(hFile, NULL, &pUnixInfo->ModificationTime, NULL, NULL);
902	if (RT_FAILURE(rc))
903	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error setting times: %Rrc", pszDst, rc);
904	}
905
906	#if !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2)
907	if ( pOpts->uidOwner != NIL_RTUID
908	\|\| pOpts->gidGroup != NIL_RTGID
909	\|\| pOpts->fPreserveOwner
910	\|\| pOpts->fPreserveGroup)
911	{
912	RTUID uidFile;
913	rcExit = rtZipTarQueryExtractOwner(pOpts, pOwner, pszDst, rcExit, &uidFile);
914
915	RTGID gidFile;
916	rcExit = rtZipTarQueryExtractGroup(pOpts, pGroup, pszDst, rcExit, &gidFile);
917	if (uidFile != NIL_RTUID \|\| gidFile != NIL_RTGID)
918	{
919	rc = RTFileSetOwner(hFile, uidFile, gidFile);
920	if (RT_FAILURE(rc))
921	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error owner/group: %Rrc", pszDst, rc);
922	}
923	}
924	#else
925	RT_NOREF_PV(pOwner); RT_NOREF_PV(pGroup);
926	#endif
927
928	RTFMODE fMode = (pUnixInfo->Attr.fMode & pOpts->fFileModeAndMask) \| pOpts->fFileModeOrMask;
929	rc = RTFileSetMode(hFile, fMode \| RTFS_TYPE_FILE);
930	if (RT_FAILURE(rc))
931	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error changing mode: %Rrc", pszDst, rc);
932	}
933	else
934	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error writing out file: %Rrc", pszDst, rc);
935	RTVfsIoStrmRelease(hVfsIosSrc);
936	RTVfsIoStrmRelease(hVfsIosDst);
937	}
938	else
939	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error creating I/O stream for file: %Rrc", pszDst, rc);
940	RTFileClose(hFile);
941	return rcExit;
942	}
943
944
945	/**
946	* @callback_method_impl{PFNDOWITHMEMBER, Implements --extract.}
947	*/
948	static RTEXITCODE rtZipTarCmdExtractCallback(PRTZIPTARCMDOPS pOpts, RTVFSOBJ hVfsObj, const char *pszName, RTEXITCODE rcExit)
949	{
950	if (pOpts->fVerbose)
951	RTPrintf("%s\n", pszName);
952
953	/*
954	* Query all the information.
955	*/
956	RTFSOBJINFO UnixInfo;
957	int rc = RTVfsObjQueryInfo(hVfsObj, &UnixInfo, RTFSOBJATTRADD_UNIX);
958	if (RT_FAILURE(rc))
959	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsObjQueryInfo returned %Rrc on '%s'", rc, pszName);
960
961	RTFSOBJINFO Owner;
962	rc = RTVfsObjQueryInfo(hVfsObj, &Owner, RTFSOBJATTRADD_UNIX_OWNER);
963	if (RT_FAILURE(rc))
964	return RTMsgErrorExit(RTEXITCODE_FAILURE,
965	"RTVfsObjQueryInfo(,,UNIX_OWNER) returned %Rrc on '%s'",
966	rc, pszName);
967
968	RTFSOBJINFO Group;
969	rc = RTVfsObjQueryInfo(hVfsObj, &Group, RTFSOBJATTRADD_UNIX_GROUP);
970	if (RT_FAILURE(rc))
971	return RTMsgErrorExit(RTEXITCODE_FAILURE,
972	"RTVfsObjQueryInfo(,,UNIX_OWNER) returned %Rrc on '%s'",
973	rc, pszName);
974
975	char szTarget[RTPATH_MAX];
976	szTarget[0] = '\0';
977	RTVFSSYMLINK hVfsSymlink = RTVfsObjToSymlink(hVfsObj);
978	if (hVfsSymlink != NIL_RTVFSSYMLINK)
979	{
980	rc = RTVfsSymlinkRead(hVfsSymlink, szTarget, sizeof(szTarget));
981	RTVfsSymlinkRelease(hVfsSymlink);
982	if (RT_FAILURE(rc))
983	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: RTVfsSymlinkRead failed: %Rrc", pszName, rc);
984	if (!RTFS_IS_SYMLINK(UnixInfo.Attr.fMode))
985	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Hardlinks are not supported.", pszName);
986	if (!szTarget[0])
987	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Link target is empty.", pszName);
988	}
989	else if (RTFS_IS_SYMLINK(UnixInfo.Attr.fMode))
990	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to get symlink object for '%s'", pszName);
991
992	if (rtZipTarHasEscapeSequence(pszName))
993	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Name '%s' contains an escape sequence.", pszName);
994
995	/*
996	* Construct the path to the extracted member.
997	*/
998	char szDst[RTPATH_MAX];
999	rc = RTPathJoin(szDst, sizeof(szDst), pOpts->pszDirectory ? pOpts->pszDirectory : ".", pszName);
1000	if (RT_FAILURE(rc))
1001	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Failed to construct destination path for: %Rrc", pszName, rc);
1002
1003	/*
1004	* Extract according to the type.
1005	*/
1006	switch (UnixInfo.Attr.fMode & RTFS_TYPE_MASK)
1007	{
1008	case RTFS_TYPE_FILE:
1009	return rtZipTarCmdExtractFile(pOpts, hVfsObj, rcExit, szDst, &UnixInfo, &Owner, &Group);
1010
1011	case RTFS_TYPE_DIRECTORY:
1012	rc = RTDirCreateFullPath(szDst, UnixInfo.Attr.fMode & RTFS_UNIX_ALL_ACCESS_PERMS);
1013	if (RT_FAILURE(rc))
1014	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error creating directory: %Rrc", szDst, rc);
1015	break;
1016
1017	case RTFS_TYPE_SYMLINK:
1018	rc = RTSymlinkCreate(szDst, szTarget, RTSYMLINKTYPE_UNKNOWN, 0);
1019	if (RT_FAILURE(rc))
1020	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error creating symbolic link: %Rrc", szDst, rc);
1021	break;
1022
1023	case RTFS_TYPE_FIFO:
1024	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: FIFOs are not supported.", pszName);
1025	case RTFS_TYPE_DEV_CHAR:
1026	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: FIFOs are not supported.", pszName);
1027	case RTFS_TYPE_DEV_BLOCK:
1028	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Block devices are not supported.", pszName);
1029	case RTFS_TYPE_SOCKET:
1030	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Sockets are not supported.", pszName);
1031	case RTFS_TYPE_WHITEOUT:
1032	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Whiteouts are not support.", pszName);
1033	default:
1034	return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Unknown file type.", pszName);
1035	}
1036
1037	/*
1038	* Set other attributes as requested.
1039	*
1040	* Note! File extraction does get here.
1041	*/
1042	if (!pOpts->fNoModTime)
1043	{
1044	rc = RTPathSetTimesEx(szDst, NULL, &UnixInfo.ModificationTime, NULL, NULL, RTPATH_F_ON_LINK);
1045	if (RT_FAILURE(rc) && rc != VERR_NOT_SUPPORTED && rc != VERR_NS_SYMLINK_SET_TIME)
1046	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error changing modification time: %Rrc.", pszName, rc);
1047	}
1048
1049	#if !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2)
1050	if ( pOpts->uidOwner != NIL_RTUID
1051	\|\| pOpts->gidGroup != NIL_RTGID
1052	\|\| pOpts->fPreserveOwner
1053	\|\| pOpts->fPreserveGroup)
1054	{
1055	RTUID uidFile;
1056	rcExit = rtZipTarQueryExtractOwner(pOpts, &Owner, szDst, rcExit, &uidFile);
1057
1058	RTGID gidFile;
1059	rcExit = rtZipTarQueryExtractGroup(pOpts, &Group, szDst, rcExit, &gidFile);
1060	if (uidFile != NIL_RTUID \|\| gidFile != NIL_RTGID)
1061	{
1062	rc = RTPathSetOwnerEx(szDst, uidFile, gidFile, RTPATH_F_ON_LINK);
1063	if (RT_FAILURE(rc))
1064	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error owner/group: %Rrc", szDst, rc);
1065	}
1066	}
1067	#endif
1068
1069	#if !defined(RT_OS_WINDOWS) /** @todo implement RTPathSetMode on windows... */
1070	if (!RTFS_IS_SYMLINK(UnixInfo.Attr.fMode)) /* RTPathSetMode follows symbolic links atm. */
1071	{
1072	RTFMODE fMode;
1073	if (RTFS_IS_DIRECTORY(UnixInfo.Attr.fMode))
1074	fMode = (UnixInfo.Attr.fMode & (pOpts->fDirModeAndMask \| RTFS_TYPE_MASK)) \| pOpts->fDirModeOrMask;
1075	else
1076	fMode = (UnixInfo.Attr.fMode & (pOpts->fFileModeAndMask \| RTFS_TYPE_MASK)) \| pOpts->fFileModeOrMask;
1077	rc = RTPathSetMode(szDst, fMode);
1078	if (RT_FAILURE(rc))
1079	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error changing mode: %Rrc", szDst, rc);
1080	}
1081	#endif
1082
1083	return rcExit;
1084	}
1085
1086
1087	/**
1088	* @callback_method_impl{PFNDOWITHMEMBER, Implements --list.}
1089	*/
1090	static RTEXITCODE rtZipTarCmdListCallback(PRTZIPTARCMDOPS pOpts, RTVFSOBJ hVfsObj, const char *pszName, RTEXITCODE rcExit)
1091	{
1092	/*
1093	* This is very simple in non-verbose mode.
1094	*/
1095	if (!pOpts->fVerbose)
1096	{
1097	RTPrintf("%s\n", pszName);
1098	return rcExit;
1099	}
1100
1101	/*
1102	* Query all the information.
1103	*/
1104	RTFSOBJINFO UnixInfo;
1105	int rc = RTVfsObjQueryInfo(hVfsObj, &UnixInfo, RTFSOBJATTRADD_UNIX);
1106	if (RT_FAILURE(rc))
1107	{
1108	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsObjQueryInfo returned %Rrc on '%s'", rc, pszName);
1109	RT_ZERO(UnixInfo);
1110	}
1111
1112	RTFSOBJINFO Owner;
1113	rc = RTVfsObjQueryInfo(hVfsObj, &Owner, RTFSOBJATTRADD_UNIX_OWNER);
1114	if (RT_FAILURE(rc))
1115	{
1116	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE,
1117	"RTVfsObjQueryInfo(,,UNIX_OWNER) returned %Rrc on '%s'",
1118	rc, pszName);
1119	RT_ZERO(Owner);
1120	}
1121
1122	RTFSOBJINFO Group;
1123	rc = RTVfsObjQueryInfo(hVfsObj, &Group, RTFSOBJATTRADD_UNIX_GROUP);
1124	if (RT_FAILURE(rc))
1125	{
1126	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE,
1127	"RTVfsObjQueryInfo(,,UNIX_OWNER) returned %Rrc on '%s'",
1128	rc, pszName);
1129	RT_ZERO(Group);
1130	}
1131
1132	const char *pszLinkType = NULL;
1133	char szTarget[RTPATH_MAX];
1134	szTarget[0] = '\0';
1135	RTVFSSYMLINK hVfsSymlink = RTVfsObjToSymlink(hVfsObj);
1136	if (hVfsSymlink != NIL_RTVFSSYMLINK)
1137	{
1138	rc = RTVfsSymlinkRead(hVfsSymlink, szTarget, sizeof(szTarget));
1139	if (RT_FAILURE(rc))
1140	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsSymlinkRead returned %Rrc on '%s'", rc, pszName);
1141	RTVfsSymlinkRelease(hVfsSymlink);
1142	pszLinkType = RTFS_IS_SYMLINK(UnixInfo.Attr.fMode) ? "->" : "link to";
1143	}
1144	else if (RTFS_IS_SYMLINK(UnixInfo.Attr.fMode))
1145	rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to get symlink object for '%s'", pszName);
1146
1147	/*
1148	* Translate the mode mask.
1149	*/
1150	char szMode[16];
1151	switch (UnixInfo.Attr.fMode & RTFS_TYPE_MASK)
1152	{
1153	case RTFS_TYPE_FIFO: szMode[0] = 'f'; break;
1154	case RTFS_TYPE_DEV_CHAR: szMode[0] = 'c'; break;
1155	case RTFS_TYPE_DIRECTORY: szMode[0] = 'd'; break;
1156	case RTFS_TYPE_DEV_BLOCK: szMode[0] = 'b'; break;
1157	case RTFS_TYPE_FILE: szMode[0] = '-'; break;
1158	case RTFS_TYPE_SYMLINK: szMode[0] = 'l'; break;
1159	case RTFS_TYPE_SOCKET: szMode[0] = 's'; break;
1160	case RTFS_TYPE_WHITEOUT: szMode[0] = 'w'; break;
1161	default: szMode[0] = '?'; break;
1162	}
1163	if (pszLinkType && szMode[0] != 's')
1164	szMode[0] = 'h';
1165
1166	szMode[1] = UnixInfo.Attr.fMode & RTFS_UNIX_IRUSR ? 'r' : '-';
1167	szMode[2] = UnixInfo.Attr.fMode & RTFS_UNIX_IWUSR ? 'w' : '-';
1168	szMode[3] = UnixInfo.Attr.fMode & RTFS_UNIX_IXUSR ? 'x' : '-';
1169
1170	szMode[4] = UnixInfo.Attr.fMode & RTFS_UNIX_IRGRP ? 'r' : '-';
1171	szMode[5] = UnixInfo.Attr.fMode & RTFS_UNIX_IWGRP ? 'w' : '-';
1172	szMode[6] = UnixInfo.Attr.fMode & RTFS_UNIX_IXGRP ? 'x' : '-';
1173
1174	szMode[7] = UnixInfo.Attr.fMode & RTFS_UNIX_IROTH ? 'r' : '-';
1175	szMode[8] = UnixInfo.Attr.fMode & RTFS_UNIX_IWOTH ? 'w' : '-';
1176	szMode[9] = UnixInfo.Attr.fMode & RTFS_UNIX_IXOTH ? 'x' : '-';
1177	szMode[10] = '\0';
1178
1179	/** @todo sticky and set-uid/gid bits. */
1180
1181	/*
1182	* Make sure we've got valid owner and group strings.
1183	*/
1184	if (!Owner.Attr.u.UnixGroup.szName[0])
1185	RTStrPrintf(Owner.Attr.u.UnixOwner.szName, sizeof(Owner.Attr.u.UnixOwner.szName),
1186	"%u", UnixInfo.Attr.u.Unix.uid);
1187
1188	if (!Group.Attr.u.UnixOwner.szName[0])
1189	RTStrPrintf(Group.Attr.u.UnixGroup.szName, sizeof(Group.Attr.u.UnixGroup.szName),
1190	"%u", UnixInfo.Attr.u.Unix.gid);
1191
1192	/*
1193	* Format the modification time.
1194	*/
1195	char szModTime[32];
1196	RTTIME ModTime;
1197	PRTTIME pTime;
1198	if (!pOpts->fDisplayUtc)
1199	pTime = RTTimeLocalExplode(&ModTime, &UnixInfo.ModificationTime);
1200	else
1201	pTime = RTTimeExplode(&ModTime, &UnixInfo.ModificationTime);
1202	if (!pTime)
1203	RT_ZERO(ModTime);
1204	RTStrPrintf(szModTime, sizeof(szModTime), "%04d-%02u-%02u %02u:%02u",
1205	ModTime.i32Year, ModTime.u8Month, ModTime.u8MonthDay, ModTime.u8Hour, ModTime.u8Minute);
1206
1207	/*
1208	* Format the size and figure how much space is needed between the
1209	* user/group and the size.
1210	*/
1211	char szSize[64];
1212	size_t cchSize;
1213	switch (UnixInfo.Attr.fMode & RTFS_TYPE_MASK)
1214	{
1215	case RTFS_TYPE_DEV_CHAR:
1216	case RTFS_TYPE_DEV_BLOCK:
1217	cchSize = RTStrPrintf(szSize, sizeof(szSize), "%u,%u",
1218	RTDEV_MAJOR(UnixInfo.Attr.u.Unix.Device), RTDEV_MINOR(UnixInfo.Attr.u.Unix.Device));
1219	break;
1220	default:
1221	cchSize = RTStrPrintf(szSize, sizeof(szSize), "%RU64", UnixInfo.cbObject);
1222	break;
1223	}
1224
1225	size_t cchUserGroup = strlen(Owner.Attr.u.UnixOwner.szName)
1226	+ 1
1227	+ strlen(Group.Attr.u.UnixGroup.szName);
1228	ssize_t cchPad = cchUserGroup + cchSize + 1 < 19
1229	? 19 - (cchUserGroup + cchSize + 1)
1230	: 0;
1231
1232	/*
1233	* Go to press.
1234	*/
1235	if (pszLinkType)
1236	RTPrintf("%s %s/%s%*s %s %s %s %s %s\n",
1237	szMode,
1238	Owner.Attr.u.UnixOwner.szName, Group.Attr.u.UnixGroup.szName,
1239	cchPad, "",
1240	szSize,
1241	szModTime,
1242	pszName,
1243	pszLinkType,
1244	szTarget);
1245	else
1246	RTPrintf("%s %s/%s%*s %s %s %s\n",
1247	szMode,
1248	Owner.Attr.u.UnixOwner.szName, Group.Attr.u.UnixGroup.szName,
1249	cchPad, "",
1250	szSize,
1251	szModTime,
1252	pszName);
1253
1254	return rcExit;
1255	}
1256
1257
1258	/**
1259	* Display usage.
1260	*
1261	* @param pszProgName The program name.
1262	*/
1263	static void rtZipTarUsage(const char *pszProgName)
1264	{
1265	/*
1266	* 0 1 2 3 4 5 6 7 8
1267	* 012345678901234567890123456789012345678901234567890123456789012345678901234567890
1268	*/
1269	RTPrintf("Usage: %s [options]\n"
1270	"\n",
1271	pszProgName);
1272	RTPrintf("Operations:\n"
1273	" -A, --concatenate, --catenate\n"
1274	" Append the content of one tar archive to another. (not impl)\n"
1275	" -c, --create\n"
1276	" Create a new tar archive. (not impl)\n"
1277	" -d, --diff, --compare\n"
1278	" Compare atar archive with the file system. (not impl)\n"
1279	" -r, --append\n"
1280	" Append more files to the tar archive. (not impl)\n"
1281	" -t, --list\n"
1282	" List the contents of the tar archive.\n"
1283	" -u, --update\n"
1284	" Update the archive, adding files that are newer than the\n"
1285	" ones in the archive. (not impl)\n"
1286	" -x, --extract, --get\n"
1287	" Extract the files from the tar archive.\n"
1288	" --delete\n"
1289	" Delete files from the tar archive.\n"
1290	"\n"
1291	);
1292	RTPrintf("Basic Options:\n"
1293	" -C <dir>, --directory <dir> (-A, -c, -d, -r, -u, -x)\n"
1294	" Sets the base directory for input and output file members.\n"
1295	" This does not apply to --file, even if it preceeds it.\n"
1296	" -f <archive>, --file <archive> (all)\n"
1297	" The tar file to create or process. '-' indicates stdout/stdin,\n"
1298	" which is is the default.\n"
1299	" -v, --verbose (all)\n"
1300	" Verbose operation.\n"
1301	" -p, --preserve-permissions (-x)\n"
1302	" Preserve all permissions when extracting. Must be used\n"
1303	" before the mode mask options as it will change some of these.\n"
1304	" -j, --bzip2 (all)\n"
1305	" Compress/decompress the archive with bzip2.\n"
1306	" -z, --gzip, --gunzip, --ungzip (all)\n"
1307	" Compress/decompress the archive with gzip.\n"
1308	"\n");
1309	RTPrintf("Misc Options:\n"
1310	" --owner <uid/username> (-A, -c, -d, -r, -u, -x)\n"
1311	" Set the owner of extracted and archived files to the user specified.\n"
1312	" --group <uid/username> (-A, -c, -d, -r, -u, -x)\n"
1313	" Set the group of extracted and archived files to the group specified.\n"
1314	" --utc (-t)\n"
1315	" Display timestamps as UTC instead of local time.\n"
1316	" -S, --sparse (-A, -c, -u)\n"
1317	" Detect sparse files and store them (gnu tar extension).\n"
1318	" --format <format> (-A, -c, -u, but also -d, -r, -x)\n"
1319	" The file format:\n"
1320	" auto (gnu tar)\n"
1321	" default (gnu tar)\n"
1322	" tar (gnu tar)"
1323	" gnu (tar v1.13+), "
1324	" ustar (tar POSIX.1-1988), "
1325	" pax (tar POSIX.1-2001),\n"
1326	" xar\n"
1327	" Note! Because XAR/TAR detection isn't implemented yet, it\n"
1328	" is necessary to specifcy --format=xar when reading a\n"
1329	" XAR file. Otherwise this option is only for creation.\n"
1330	"\n");
1331	RTPrintf("IPRT Options:\n"
1332	" --prefix <dir-prefix> (-A, -c, -d, -r, -u)\n"
1333	" Directory prefix to give the members added to the archive.\n"
1334	" --file-mode-and-mask <octal-mode> (-A, -c, -d, -r, -u, -x)\n"
1335	" Restrict the access mode of regular and special files.\n"
1336	" --file-mode-or-mask <octal-mode> (-A, -c, -d, -r, -u, -x)\n"
1337	" Include the given access mode for regular and special files.\n"
1338	" --dir-mode-and-mask <octal-mode> (-A, -c, -d, -r, -u, -x)\n"
1339	" Restrict the access mode of directories.\n"
1340	" --dir-mode-or-mask <octal-mode> (-A, -c, -d, -r, -u, -x)\n"
1341	" Include the given access mode for directories.\n"
1342	" --read-ahead (-x)\n"
1343	" Enabled read ahead thread when extracting files.\n"
1344	" --push-file (-A, -c, -u)\n"
1345	" Use RTVfsFsStrmPushFile instead of RTVfsFsStrmAdd.\n"
1346	"\n");
1347	RTPrintf("Standard Options:\n"
1348	" -h, -?, --help\n"
1349	" Display this help text.\n"
1350	" -V, --version\n"
1351	" Display version number.\n");
1352	}
1353
1354
1355	RTDECL(RTEXITCODE) RTZipTarCmd(unsigned cArgs, char **papszArgs)
1356	{
1357	/*
1358	* Parse the command line.
1359	*
1360	* N.B. This is less flexible that your regular tar program in that it
1361	* requires the operation to be specified as an option. On the other
1362	* hand, you can specify it where ever you like in the command line.
1363	*/
1364	static const RTGETOPTDEF s_aOptions[] =
1365	{
1366	/* operations */
1367	{ "--concatenate", 'A', RTGETOPT_REQ_NOTHING },
1368	{ "--catenate", 'A', RTGETOPT_REQ_NOTHING },
1369	{ "--create", 'c', RTGETOPT_REQ_NOTHING },
1370	{ "--diff", 'd', RTGETOPT_REQ_NOTHING },
1371	{ "--compare", 'd', RTGETOPT_REQ_NOTHING },
1372	{ "--append", 'r', RTGETOPT_REQ_NOTHING },
1373	{ "--list", 't', RTGETOPT_REQ_NOTHING },
1374	{ "--update", 'u', RTGETOPT_REQ_NOTHING },
1375	{ "--extract", 'x', RTGETOPT_REQ_NOTHING },
1376	{ "--get", 'x', RTGETOPT_REQ_NOTHING },
1377	{ "--delete", RTZIPTARCMD_OPT_DELETE, RTGETOPT_REQ_NOTHING },
1378
1379	/* basic options */
1380	{ "--directory", 'C', RTGETOPT_REQ_STRING },
1381	{ "--file", 'f', RTGETOPT_REQ_STRING },
1382	{ "--verbose", 'v', RTGETOPT_REQ_NOTHING },
1383	{ "--preserve-permissions", 'p', RTGETOPT_REQ_NOTHING },
1384	{ "--bzip2", 'j', RTGETOPT_REQ_NOTHING },
1385	{ "--gzip", 'z', RTGETOPT_REQ_NOTHING },
1386	{ "--gunzip", 'z', RTGETOPT_REQ_NOTHING },
1387	{ "--ungzip", 'z', RTGETOPT_REQ_NOTHING },
1388
1389	/* other options. */
1390	{ "--owner", RTZIPTARCMD_OPT_OWNER, RTGETOPT_REQ_STRING },
1391	{ "--group", RTZIPTARCMD_OPT_GROUP, RTGETOPT_REQ_STRING },
1392	{ "--utc", RTZIPTARCMD_OPT_UTC, RTGETOPT_REQ_NOTHING },
1393	{ "--sparse", 'S', RTGETOPT_REQ_NOTHING },
1394	{ "--format", RTZIPTARCMD_OPT_FORMAT, RTGETOPT_REQ_STRING },
1395
1396	/* IPRT extensions */
1397	{ "--prefix", RTZIPTARCMD_OPT_PREFIX, RTGETOPT_REQ_STRING },
1398	{ "--file-mode-and-mask", RTZIPTARCMD_OPT_FILE_MODE_AND_MASK, RTGETOPT_REQ_UINT32 \| RTGETOPT_FLAG_OCT },
1399	{ "--file-mode-or-mask", RTZIPTARCMD_OPT_FILE_MODE_OR_MASK, RTGETOPT_REQ_UINT32 \| RTGETOPT_FLAG_OCT },
1400	{ "--dir-mode-and-mask", RTZIPTARCMD_OPT_DIR_MODE_AND_MASK, RTGETOPT_REQ_UINT32 \| RTGETOPT_FLAG_OCT },
1401	{ "--dir-mode-or-mask", RTZIPTARCMD_OPT_DIR_MODE_OR_MASK, RTGETOPT_REQ_UINT32 \| RTGETOPT_FLAG_OCT },
1402	{ "--read-ahead", RTZIPTARCMD_OPT_READ_AHEAD, RTGETOPT_REQ_NOTHING },
1403	{ "--use-push-file", RTZIPTARCMD_OPT_USE_PUSH_FILE, RTGETOPT_REQ_NOTHING },
1404	};
1405
1406	RTGETOPTSTATE GetState;
1407	int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1,
1408	RTGETOPTINIT_FLAGS_OPTS_FIRST);
1409	if (RT_FAILURE(rc))
1410	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTGetOpt failed: %Rrc", rc);
1411
1412	RTZIPTARCMDOPS Opts;
1413	RT_ZERO(Opts);
1414	Opts.enmFormat = RTZIPTARCMDFORMAT_AUTO_DEFAULT;
1415	Opts.uidOwner = NIL_RTUID;
1416	Opts.gidGroup = NIL_RTUID;
1417	Opts.fFileModeAndMask = RTFS_UNIX_ALL_ACCESS_PERMS;
1418	Opts.fDirModeAndMask = RTFS_UNIX_ALL_ACCESS_PERMS;
1419	#if 0
1420	if (RTPermIsSuperUser())
1421	{
1422	Opts.fFileModeAndMask = RTFS_UNIX_ALL_PERMS;
1423	Opts.fDirModeAndMask = RTFS_UNIX_ALL_PERMS;
1424	Opts.fPreserveOwner = true;
1425	Opts.fPreserveGroup = true;
1426	}
1427	#endif
1428	Opts.enmTarFormat = RTZIPTARFORMAT_DEFAULT;
1429
1430	RTGETOPTUNION ValueUnion;
1431	while ( (rc = RTGetOpt(&GetState, &ValueUnion)) != 0
1432	&& rc != VINF_GETOPT_NOT_OPTION)
1433	{
1434	switch (rc)
1435	{
1436	/* operations */
1437	case 'A':
1438	case 'c':
1439	case 'd':
1440	case 'r':
1441	case 't':
1442	case 'u':
1443	case 'x':
1444	case RTZIPTARCMD_OPT_DELETE:
1445	if (Opts.iOperation)
1446	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Conflicting tar operation (%s already set, now %s)",
1447	Opts.pszOperation, ValueUnion.pDef->pszLong);
1448	Opts.iOperation = rc;
1449	Opts.pszOperation = ValueUnion.pDef->pszLong;
1450	break;
1451
1452	/* basic options */
1453	case 'C':
1454	if (Opts.pszDirectory)
1455	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify -C/--directory once");
1456	Opts.pszDirectory = ValueUnion.psz;
1457	break;
1458
1459	case 'f':
1460	if (Opts.pszFile)
1461	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify -f/--file once");
1462	Opts.pszFile = ValueUnion.psz;
1463	break;
1464
1465	case 'v':
1466	Opts.fVerbose = true;
1467	break;
1468
1469	case 'p':
1470	Opts.fFileModeAndMask = RTFS_UNIX_ALL_PERMS;
1471	Opts.fDirModeAndMask = RTFS_UNIX_ALL_PERMS;
1472	Opts.fPreserveOwner = true;
1473	Opts.fPreserveGroup = true;
1474	break;
1475
1476	case 'j':
1477	case 'z':
1478	if (Opts.chZipper)
1479	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify one compressor / decompressor");
1480	Opts.chZipper = rc;
1481	break;
1482
1483	case RTZIPTARCMD_OPT_OWNER:
1484	if (Opts.pszOwner)
1485	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify --owner once");
1486	Opts.pszOwner = ValueUnion.psz;
1487
1488	rc = RTStrToUInt32Full(Opts.pszOwner, 0, &ValueUnion.u32);
1489	if (RT_SUCCESS(rc) && rc != VINF_SUCCESS)
1490	return RTMsgErrorExit(RTEXITCODE_SYNTAX,
1491	"Error convering --owner '%s' into a number: %Rrc", Opts.pszOwner, rc);
1492	if (RT_SUCCESS(rc))
1493	{
1494	Opts.uidOwner = ValueUnion.u32;
1495	Opts.pszOwner = NULL;
1496	}
1497	break;
1498
1499	case RTZIPTARCMD_OPT_GROUP:
1500	if (Opts.pszGroup)
1501	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify --group once");
1502	Opts.pszGroup = ValueUnion.psz;
1503
1504	rc = RTStrToUInt32Full(Opts.pszGroup, 0, &ValueUnion.u32);
1505	if (RT_SUCCESS(rc) && rc != VINF_SUCCESS)
1506	return RTMsgErrorExit(RTEXITCODE_SYNTAX,
1507	"Error convering --group '%s' into a number: %Rrc", Opts.pszGroup, rc);
1508	if (RT_SUCCESS(rc))
1509	{
1510	Opts.gidGroup = ValueUnion.u32;
1511	Opts.pszGroup = NULL;
1512	}
1513	break;
1514
1515	case RTZIPTARCMD_OPT_UTC:
1516	Opts.fDisplayUtc = true;
1517	break;
1518
1519	/* GNU */
1520	case 'S':
1521	Opts.fTarCreate \|= RTZIPTAR_C_SPARSE;
1522	break;
1523
1524	/* iprt extensions */
1525	case RTZIPTARCMD_OPT_PREFIX:
1526	if (Opts.pszPrefix)
1527	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify --prefix once");
1528	Opts.pszPrefix = ValueUnion.psz;
1529	break;
1530
1531	case RTZIPTARCMD_OPT_FILE_MODE_AND_MASK:
1532	Opts.fFileModeAndMask = ValueUnion.u32 & RTFS_UNIX_ALL_PERMS;
1533	break;
1534
1535	case RTZIPTARCMD_OPT_FILE_MODE_OR_MASK:
1536	Opts.fFileModeOrMask = ValueUnion.u32 & RTFS_UNIX_ALL_PERMS;
1537	break;
1538
1539	case RTZIPTARCMD_OPT_DIR_MODE_AND_MASK:
1540	Opts.fDirModeAndMask = ValueUnion.u32 & RTFS_UNIX_ALL_PERMS;
1541	break;
1542
1543	case RTZIPTARCMD_OPT_DIR_MODE_OR_MASK:
1544	Opts.fDirModeOrMask = ValueUnion.u32 & RTFS_UNIX_ALL_PERMS;
1545	break;
1546
1547	case RTZIPTARCMD_OPT_FORMAT:
1548	if (!strcmp(ValueUnion.psz, "auto") \|\| !strcmp(ValueUnion.psz, "default"))
1549	{
1550	Opts.enmFormat = RTZIPTARCMDFORMAT_AUTO_DEFAULT;
1551	Opts.enmTarFormat = RTZIPTARFORMAT_DEFAULT;
1552	}
1553	else if (!strcmp(ValueUnion.psz, "tar"))
1554	{
1555	Opts.enmFormat = RTZIPTARCMDFORMAT_TAR;
1556	Opts.enmTarFormat = RTZIPTARFORMAT_DEFAULT;
1557	}
1558	else if (!strcmp(ValueUnion.psz, "gnu"))
1559	{
1560	Opts.enmFormat = RTZIPTARCMDFORMAT_TAR;
1561	Opts.enmTarFormat = RTZIPTARFORMAT_GNU;
1562	}
1563	else if (!strcmp(ValueUnion.psz, "ustar"))
1564	{
1565	Opts.enmFormat = RTZIPTARCMDFORMAT_TAR;
1566	Opts.enmTarFormat = RTZIPTARFORMAT_USTAR;
1567	}
1568	else if ( !strcmp(ValueUnion.psz, "posix")
1569	\|\| !strcmp(ValueUnion.psz, "pax"))
1570	{
1571	Opts.enmFormat = RTZIPTARCMDFORMAT_TAR;
1572	Opts.enmTarFormat = RTZIPTARFORMAT_PAX;
1573	}
1574	else if (!strcmp(ValueUnion.psz, "xar"))
1575	Opts.enmFormat = RTZIPTARCMDFORMAT_XAR;
1576	else
1577	return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown archive format: '%s'", ValueUnion.psz);
1578	break;
1579
1580	case RTZIPTARCMD_OPT_READ_AHEAD:
1581	Opts.fReadAhead = true;
1582	break;
1583
1584	case RTZIPTARCMD_OPT_USE_PUSH_FILE:
1585	Opts.fUsePushFile = true;
1586	break;
1587
1588	/* Standard bits. */
1589	case 'h':
1590	rtZipTarUsage(RTPathFilename(papszArgs[0]));
1591	return RTEXITCODE_SUCCESS;
1592
1593	case 'V':
1594	RTPrintf("%sr%d\n", RTBldCfgVersion(), RTBldCfgRevision());
1595	return RTEXITCODE_SUCCESS;
1596
1597	default:
1598	return RTGetOptPrintError(rc, &ValueUnion);
1599	}
1600	}
1601
1602	if (rc == VINF_GETOPT_NOT_OPTION)
1603	{
1604	/* this is kind of ugly. */
1605	Assert((unsigned)GetState.iNext - 1 <= cArgs);
1606	Opts.papszFiles = (const char * const *)&papszArgs[GetState.iNext - 1];
1607	Opts.cFiles = cArgs - GetState.iNext + 1;
1608	}
1609
1610	/*
1611	* Post proceess the options.
1612	*/
1613	if (Opts.iOperation == 0)
1614	{
1615	Opts.iOperation = 't';
1616	Opts.pszOperation = "--list";
1617	}
1618
1619	if ( Opts.iOperation == 'x'
1620	&& Opts.pszOwner)
1621	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The use of --owner with %s has not implemented yet", Opts.pszOperation);
1622
1623	if ( Opts.iOperation == 'x'
1624	&& Opts.pszGroup)
1625	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The use of --group with %s has not implemented yet", Opts.pszOperation);
1626
1627	/*
1628	* Do the job.
1629	*/
1630	switch (Opts.iOperation)
1631	{
1632	case 't':
1633	return rtZipTarDoWithMembers(&Opts, rtZipTarCmdListCallback);
1634
1635	case 'x':
1636	return rtZipTarDoWithMembers(&Opts, rtZipTarCmdExtractCallback);
1637
1638	case 'c':
1639	return rtZipTarCreate(&Opts);
1640
1641	case 'A':
1642	case 'd':
1643	case 'r':
1644	case 'u':
1645	case RTZIPTARCMD_OPT_DELETE:
1646	return RTMsgErrorExit(RTEXITCODE_FAILURE, "The operation %s is not implemented yet", Opts.pszOperation);
1647
1648	default:
1649	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Internal error");
1650	}
1651	}
1652

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source: vbox/trunk/src/VBox/Runtime/common/zip/tarcmd.cpp@ 71627

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