VirtualBox

source: vbox/trunk/src/VBox/Runtime/common/zip/tarcmd.cpp@ 59827

Last change on this file since 59827 was 59826, checked in by vboxsync, 9 years ago

RTZipTarCmd: Added --read-ahead option for testing the read ahead code.

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1/* $Id: tarcmd.cpp 59826 2016-02-25 20:59:17Z vboxsync $ */
2/** @file
3 * IPRT - A mini TAR Command.
4 */
5
6/*
7 * Copyright (C) 2010-2015 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
65/** File format. */
66typedef enum RTZIPTARFORMAT
67{
68 RTZIPTARFORMAT_INVALID = 0,
69 /** Autodetect if possible, defaulting to TAR. */
70 RTZIPTARFORMAT_AUTO_DEFAULT,
71 /** TAR. */
72 RTZIPTARFORMAT_TAR,
73 /** XAR. */
74 RTZIPTARFORMAT_XAR
75} RTZIPTARFORMAT;
76
77
78/*********************************************************************************************************************************
79* Structures and Typedefs *
80*********************************************************************************************************************************/
81/**
82 * IPRT TAR option structure.
83 */
84typedef struct RTZIPTARCMDOPS
85{
86 /** The file format. */
87 RTZIPTARFORMAT enmFormat;
88
89 /** The operation (Acdrtux or RTZIPTARCMD_OPT_DELETE). */
90 int iOperation;
91 /** The long operation option name. */
92 const char *pszOperation;
93
94 /** The directory to change into when packing and unpacking. */
95 const char *pszDirectory;
96 /** The tar file name. */
97 const char *pszFile;
98 /** Whether we're verbose or quiet. */
99 bool fVerbose;
100 /** Whether to preserve the original file owner when restoring. */
101 bool fPreserveOwner;
102 /** Whether to preserve the original file group when restoring. */
103 bool fPreserveGroup;
104 /** Whether to skip restoring the modification time (only time stored by the
105 * traditional TAR format). */
106 bool fNoModTime;
107 /** Whether to add a read ahead thread. */
108 bool fReadAhead;
109 /** The compressor/decompressor method to employ (0, z or j). */
110 char chZipper;
111
112 /** The owner to set. NULL if not applicable.
113 * Always resolved into uidOwner for extraction. */
114 const char *pszOwner;
115 /** The owner ID to set. NIL_RTUID if not applicable. */
116 RTUID uidOwner;
117 /** The group to set. NULL if not applicable.
118 * Always resolved into gidGroup for extraction. */
119 const char *pszGroup;
120 /** The group ID to set. NIL_RTGUID if not applicable. */
121 RTGID gidGroup;
122 /** Display the modification times in UTC instead of local time. */
123 bool fDisplayUtc;
124 /** File mode AND mask. */
125 RTFMODE fFileModeAndMask;
126 /** File mode OR mask. */
127 RTFMODE fFileModeOrMask;
128 /** Directory mode AND mask. */
129 RTFMODE fDirModeAndMask;
130 /** Directory mode OR mask. */
131 RTFMODE fDirModeOrMask;
132
133 /** What to prefix all names with when creating, adding, whatever. */
134 const char *pszPrefix;
135
136 /** The number of files(, directories or whatever) specified. */
137 uint32_t cFiles;
138 /** Array of files(, directories or whatever).
139 * Terminated by a NULL entry. */
140 const char * const *papszFiles;
141} RTZIPTARCMDOPS;
142/** Pointer to the IPRT tar options. */
143typedef RTZIPTARCMDOPS *PRTZIPTARCMDOPS;
144
145/**
146 * Callback used by rtZipTarDoWithMembers
147 *
148 * @returns rcExit or RTEXITCODE_FAILURE.
149 * @param pOpts The tar options.
150 * @param hVfsObj The tar object to display
151 * @param pszName The name.
152 * @param rcExit The current exit code.
153 */
154typedef RTEXITCODE (*PFNDOWITHMEMBER)(PRTZIPTARCMDOPS pOpts, RTVFSOBJ hVfsObj, const char *pszName, RTEXITCODE rcExit);
155
156
157/**
158 * Checks if @a pszName is a member of @a papszNames, optionally returning the
159 * index.
160 *
161 * @returns true if the name is in the list, otherwise false.
162 * @param pszName The name to find.
163 * @param papszNames The array of names.
164 * @param piName Where to optionally return the array index.
165 */
166static bool rtZipTarCmdIsNameInArray(const char *pszName, const char * const *papszNames, uint32_t *piName)
167{
168 for (uint32_t iName = 0; papszNames[iName]; iName++)
169 if (!strcmp(papszNames[iName], pszName))
170 {
171 if (piName)
172 *piName = iName;
173 return true;
174 }
175 return false;
176}
177
178
179/**
180 * Opens the input archive specified by the options.
181 *
182 * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE + printed message.
183 * @param pOpts The options.
184 * @param phVfsFss Where to return the TAR filesystem stream handle.
185 */
186static RTEXITCODE rtZipTarCmdOpenInputArchive(PRTZIPTARCMDOPS pOpts, PRTVFSFSSTREAM phVfsFss)
187{
188 int rc;
189
190 /*
191 * Open the input file.
192 */
193 RTVFSIOSTREAM hVfsIos;
194 if ( pOpts->pszFile
195 && strcmp(pOpts->pszFile, "-") != 0)
196 {
197 const char *pszError;
198 rc = RTVfsChainOpenIoStream(pOpts->pszFile,
199 RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN,
200 &hVfsIos,
201 &pszError);
202 if (RT_FAILURE(rc))
203 {
204 if (pszError && *pszError)
205 return RTMsgErrorExit(RTEXITCODE_FAILURE,
206 "RTVfsChainOpenIoStream failed with rc=%Rrc:\n"
207 " '%s'\n"
208 " %*s^\n",
209 rc, pOpts->pszFile, pszError - pOpts->pszFile, "");
210 return RTMsgErrorExit(RTEXITCODE_FAILURE,
211 "Failed with %Rrc opening the input archive '%s'", rc, pOpts->pszFile);
212 }
213 }
214 else
215 {
216 rc = RTVfsIoStrmFromStdHandle(RTHANDLESTD_INPUT,
217 RTFILE_O_READ | RTFILE_O_DENY_WRITE | RTFILE_O_OPEN,
218 true /*fLeaveOpen*/,
219 &hVfsIos);
220 if (RT_FAILURE(rc))
221 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to prepare standard in for reading: %Rrc", rc);
222 }
223
224 /*
225 * Pass it thru a decompressor?
226 */
227 RTVFSIOSTREAM hVfsIosDecomp = NIL_RTVFSIOSTREAM;
228 switch (pOpts->chZipper)
229 {
230 /* no */
231 case '\0':
232 rc = VINF_SUCCESS;
233 break;
234
235 /* gunzip */
236 case 'z':
237 rc = RTZipGzipDecompressIoStream(hVfsIos, 0 /*fFlags*/, &hVfsIosDecomp);
238 if (RT_FAILURE(rc))
239 RTMsgError("Failed to open gzip decompressor: %Rrc", rc);
240 break;
241
242 /* bunzip2 */
243 case 'j':
244 rc = VERR_NOT_SUPPORTED;
245 RTMsgError("bzip2 is not supported by this build");
246 break;
247
248 /* bug */
249 default:
250 rc = VERR_INTERNAL_ERROR_2;
251 RTMsgError("unknown decompression method '%c'", pOpts->chZipper);
252 break;
253 }
254 if (RT_FAILURE(rc))
255 {
256 RTVfsIoStrmRelease(hVfsIos);
257 return RTEXITCODE_FAILURE;
258 }
259
260 if (hVfsIosDecomp != NIL_RTVFSIOSTREAM)
261 {
262 RTVfsIoStrmRelease(hVfsIos);
263 hVfsIos = hVfsIosDecomp;
264 hVfsIosDecomp = NIL_RTVFSIOSTREAM;
265 }
266
267 /*
268 * Open the filesystem stream.
269 */
270 if (pOpts->enmFormat == RTZIPTARFORMAT_TAR)
271 rc = RTZipTarFsStreamFromIoStream(hVfsIos, 0/*fFlags*/, phVfsFss);
272 else if (pOpts->enmFormat == RTZIPTARFORMAT_XAR)
273#ifdef IPRT_WITH_XAR /* Requires C++ and XML, so only in some configruation of IPRT. */
274 rc = RTZipXarFsStreamFromIoStream(hVfsIos, 0/*fFlags*/, phVfsFss);
275#else
276 rc = VERR_NOT_SUPPORTED;
277#endif
278 else /** @todo make RTZipTarFsStreamFromIoStream fail if not tar file! */
279 rc = RTZipTarFsStreamFromIoStream(hVfsIos, 0/*fFlags*/, phVfsFss);
280 RTVfsIoStrmRelease(hVfsIos);
281 if (RT_FAILURE(rc))
282 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to open tar filesystem stream: %Rrc", rc);
283
284 return RTEXITCODE_SUCCESS;
285}
286
287
288/**
289 * Worker for the --list and --extract commands.
290 *
291 * @returns The appropriate exit code.
292 * @param pOpts The tar options.
293 * @param pfnCallback The command specific callback.
294 */
295static RTEXITCODE rtZipTarDoWithMembers(PRTZIPTARCMDOPS pOpts, PFNDOWITHMEMBER pfnCallback)
296{
297 /*
298 * Allocate a bitmap to go with the file list. This will be used to
299 * indicate which files we've processed and which not.
300 */
301 uint32_t *pbmFound = NULL;
302 if (pOpts->cFiles)
303 {
304 pbmFound = (uint32_t *)RTMemAllocZ(((pOpts->cFiles + 31) / 32) * sizeof(uint32_t));
305 if (!pbmFound)
306 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to allocate the found-file-bitmap");
307 }
308
309
310 /*
311 * Open the input archive.
312 */
313 RTVFSFSSTREAM hVfsFssIn;
314 RTEXITCODE rcExit = rtZipTarCmdOpenInputArchive(pOpts, &hVfsFssIn);
315 if (rcExit == RTEXITCODE_SUCCESS)
316 {
317 /*
318 * Process the stream.
319 */
320 for (;;)
321 {
322 /*
323 * Retrive the next object.
324 */
325 char *pszName;
326 RTVFSOBJ hVfsObj;
327 int rc = RTVfsFsStrmNext(hVfsFssIn, &pszName, NULL, &hVfsObj);
328 if (RT_FAILURE(rc))
329 {
330 if (rc != VERR_EOF)
331 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsFsStrmNext returned %Rrc", rc);
332 break;
333 }
334
335 /*
336 * Should we process this entry?
337 */
338 uint32_t iFile = UINT32_MAX;
339 if ( !pOpts->cFiles
340 || rtZipTarCmdIsNameInArray(pszName, pOpts->papszFiles, &iFile) )
341 {
342 if (pbmFound)
343 ASMBitSet(pbmFound, iFile);
344
345 rcExit = pfnCallback(pOpts, hVfsObj, pszName, rcExit);
346 }
347
348 /*
349 * Release the current object and string.
350 */
351 RTVfsObjRelease(hVfsObj);
352 RTStrFree(pszName);
353 }
354
355 /*
356 * Complain about any files we didn't find.
357 */
358 for (uint32_t iFile = 0; iFile < pOpts->cFiles; iFile++)
359 if (!ASMBitTest(pbmFound, iFile))
360 {
361 RTMsgError("%s: Was not found in the archive", pOpts->papszFiles[iFile]);
362 rcExit = RTEXITCODE_FAILURE;
363 }
364
365 RTVfsFsStrmRelease(hVfsFssIn);
366 }
367 RTMemFree(pbmFound);
368 return rcExit;
369}
370
371
372/**
373 * Checks if the name contains any escape sequences.
374 *
375 * An escape sequence would generally be one or more '..' references. On DOS
376 * like system, something that would make up a drive letter reference is also
377 * considered an escape sequence.
378 *
379 * @returns true / false.
380 * @param pszName The name to consider.
381 */
382static bool rtZipTarHasEscapeSequence(const char *pszName)
383{
384#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
385 if (pszName[0] == ':')
386 return true;
387#endif
388 while (*pszName)
389 {
390 while (RTPATH_IS_SEP(*pszName))
391 pszName++;
392 if ( pszName[0] == '.'
393 && pszName[1] == '.'
394 && (pszName[2] == '\0' || RTPATH_IS_SLASH(pszName[2])) )
395 return true;
396 while (*pszName && !RTPATH_IS_SEP(*pszName))
397 pszName++;
398 }
399
400 return false;
401}
402
403
404/**
405 * Queries the user ID to use when extracting a member.
406 *
407 * @returns rcExit or RTEXITCODE_FAILURE.
408 * @param pOpts The tar options.
409 * @param pUser The user info.
410 * @param pszName The file name to use when complaining.
411 * @param rcExit The current exit code.
412 * @param pUid Where to return the user ID.
413 */
414static RTEXITCODE rtZipTarQueryExtractOwner(PRTZIPTARCMDOPS pOpts, PCRTFSOBJINFO pOwner, const char *pszName, RTEXITCODE rcExit,
415 PRTUID pUid)
416{
417 if (pOpts->uidOwner != NIL_RTUID)
418 *pUid = pOpts->uidOwner;
419 else if (pOpts->fPreserveGroup)
420 {
421 if (!pOwner->Attr.u.UnixGroup.szName[0])
422 *pUid = pOwner->Attr.u.UnixOwner.uid;
423 else
424 {
425 *pUid = NIL_RTUID;
426 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: User resolving is not implemented.", pszName);
427 }
428 }
429 else
430 *pUid = NIL_RTUID;
431 return rcExit;
432}
433
434
435/**
436 * Queries the group ID to use when extracting a member.
437 *
438 * @returns rcExit or RTEXITCODE_FAILURE.
439 * @param pOpts The tar options.
440 * @param pGroup The group info.
441 * @param pszName The file name to use when complaining.
442 * @param rcExit The current exit code.
443 * @param pGid Where to return the group ID.
444 */
445static RTEXITCODE rtZipTarQueryExtractGroup(PRTZIPTARCMDOPS pOpts, PCRTFSOBJINFO pGroup, const char *pszName, RTEXITCODE rcExit,
446 PRTGID pGid)
447{
448 if (pOpts->gidGroup != NIL_RTGID)
449 *pGid = pOpts->gidGroup;
450 else if (pOpts->fPreserveGroup)
451 {
452 if (!pGroup->Attr.u.UnixGroup.szName[0])
453 *pGid = pGroup->Attr.u.UnixGroup.gid;
454 else
455 {
456 *pGid = NIL_RTGID;
457 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Group resolving is not implemented.", pszName);
458 }
459 }
460 else
461 *pGid = NIL_RTGID;
462 return rcExit;
463}
464
465
466
467/**
468 * Extracts a file.
469 *
470 * Since we can restore permissions and attributes more efficiently by working
471 * directly on the file handle, we have special code path for files.
472 *
473 * @returns rcExit or RTEXITCODE_FAILURE.
474 * @param pOpts The tar options.
475 * @param hVfsObj The tar object to display
476 * @param rcExit The current exit code.
477 * @param pUnixInfo The unix fs object info.
478 * @param pOwner The owner info.
479 * @param pGroup The group info.
480 */
481static RTEXITCODE rtZipTarCmdExtractFile(PRTZIPTARCMDOPS pOpts, RTVFSOBJ hVfsObj, RTEXITCODE rcExit,
482 const char *pszDst, PCRTFSOBJINFO pUnixInfo, PCRTFSOBJINFO pOwner, PCRTFSOBJINFO pGroup)
483{
484 /*
485 * Open the destination file and create a stream object for it.
486 */
487 uint32_t fOpen = RTFILE_O_READWRITE | RTFILE_O_DENY_WRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_ACCESS_ATTR_DEFAULT
488 | ((RTFS_UNIX_IWUSR | RTFS_UNIX_IRUSR) << RTFILE_O_CREATE_MODE_SHIFT);
489 RTFILE hFile;
490 int rc = RTFileOpen(&hFile, pszDst, fOpen);
491 if (RT_FAILURE(rc))
492 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error creating file: %Rrc", pszDst, rc);
493
494 RTVFSIOSTREAM hVfsIosDst;
495 rc = RTVfsIoStrmFromRTFile(hFile, fOpen, true /*fLeaveOpen*/, &hVfsIosDst);
496 if (RT_SUCCESS(rc))
497 {
498 /*
499 * Convert source to a stream and optionally add a read ahead stage.
500 */
501 RTVFSIOSTREAM hVfsIosSrc = RTVfsObjToIoStream(hVfsObj);
502 if (pOpts->fReadAhead)
503 {
504 RTVFSIOSTREAM hVfsReadAhead;
505 rc = RTVfsCreateReadAheadForIoStream(hVfsIosSrc, 0 /*fFlag*/, 16 /*cBuffers*/, _256K /*cbBuffer*/, &hVfsReadAhead);
506 if (RT_SUCCESS(rc))
507 {
508 RTVfsIoStrmRelease(hVfsIosSrc);
509 hVfsIosSrc = hVfsReadAhead;
510 }
511 else
512 AssertRC(rc); /* can be ignored in release builds. */
513 }
514
515 /*
516 * Pump the data thru.
517 */
518 rc = RTVfsUtilPumpIoStreams(hVfsIosSrc, hVfsIosDst, (uint32_t)RT_MIN(pUnixInfo->cbObject, _1M));
519 if (RT_SUCCESS(rc))
520 {
521 /*
522 * Correct the file mode and other attributes.
523 */
524 if (!pOpts->fNoModTime)
525 {
526 rc = RTFileSetTimes(hFile, NULL, &pUnixInfo->ModificationTime, NULL, NULL);
527 if (RT_FAILURE(rc))
528 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error setting times: %Rrc", pszDst, rc);
529 }
530
531#if !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2)
532 if ( pOpts->uidOwner != NIL_RTUID
533 || pOpts->gidGroup != NIL_RTGID
534 || pOpts->fPreserveOwner
535 || pOpts->fPreserveGroup)
536 {
537 RTUID uidFile;
538 rcExit = rtZipTarQueryExtractOwner(pOpts, pOwner, pszDst, rcExit, &uidFile);
539
540 RTGID gidFile;
541 rcExit = rtZipTarQueryExtractGroup(pOpts, pGroup, pszDst, rcExit, &gidFile);
542 if (uidFile != NIL_RTUID || gidFile != NIL_RTGID)
543 {
544 rc = RTFileSetOwner(hFile, uidFile, gidFile);
545 if (RT_FAILURE(rc))
546 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error owner/group: %Rrc", pszDst, rc);
547 }
548 }
549#endif
550
551 RTFMODE fMode = (pUnixInfo->Attr.fMode & pOpts->fFileModeAndMask) | pOpts->fFileModeOrMask;
552 rc = RTFileSetMode(hFile, fMode | RTFS_TYPE_FILE);
553 if (RT_FAILURE(rc))
554 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error changing mode: %Rrc", pszDst, rc);
555 }
556 else
557 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error writing out file: %Rrc", pszDst, rc);
558 RTVfsIoStrmRelease(hVfsIosSrc);
559 RTVfsIoStrmRelease(hVfsIosDst);
560 }
561 else
562 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error creating I/O stream for file: %Rrc", pszDst, rc);
563 RTFileClose(hFile);
564 return rcExit;
565}
566
567
568/**
569 * @callback_method_impl{PFNDOWITHMEMBER, Implements --extract.}
570 */
571static RTEXITCODE rtZipTarCmdExtractCallback(PRTZIPTARCMDOPS pOpts, RTVFSOBJ hVfsObj, const char *pszName, RTEXITCODE rcExit)
572{
573 if (pOpts->fVerbose)
574 RTPrintf("%s\n", pszName);
575
576 /*
577 * Query all the information.
578 */
579 RTFSOBJINFO UnixInfo;
580 int rc = RTVfsObjQueryInfo(hVfsObj, &UnixInfo, RTFSOBJATTRADD_UNIX);
581 if (RT_FAILURE(rc))
582 return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsObjQueryInfo returned %Rrc on '%s'", rc, pszName);
583
584 RTFSOBJINFO Owner;
585 rc = RTVfsObjQueryInfo(hVfsObj, &Owner, RTFSOBJATTRADD_UNIX_OWNER);
586 if (RT_FAILURE(rc))
587 return RTMsgErrorExit(RTEXITCODE_FAILURE,
588 "RTVfsObjQueryInfo(,,UNIX_OWNER) returned %Rrc on '%s'",
589 rc, pszName);
590
591 RTFSOBJINFO Group;
592 rc = RTVfsObjQueryInfo(hVfsObj, &Group, RTFSOBJATTRADD_UNIX_GROUP);
593 if (RT_FAILURE(rc))
594 return RTMsgErrorExit(RTEXITCODE_FAILURE,
595 "RTVfsObjQueryInfo(,,UNIX_OWNER) returned %Rrc on '%s'",
596 rc, pszName);
597
598 const char *pszLinkType = NULL;
599 char szTarget[RTPATH_MAX];
600 szTarget[0] = '\0';
601 RTVFSSYMLINK hVfsSymlink = RTVfsObjToSymlink(hVfsObj);
602 if (hVfsSymlink != NIL_RTVFSSYMLINK)
603 {
604 rc = RTVfsSymlinkRead(hVfsSymlink, szTarget, sizeof(szTarget));
605 RTVfsSymlinkRelease(hVfsSymlink);
606 if (RT_FAILURE(rc))
607 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: RTVfsSymlinkRead failed: %Rrc", pszName, rc);
608 if (!RTFS_IS_SYMLINK(UnixInfo.Attr.fMode))
609 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Hardlinks are not supported.", pszName);
610 if (!szTarget[0])
611 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Link target is empty.", pszName);
612 }
613 else if (RTFS_IS_SYMLINK(UnixInfo.Attr.fMode))
614 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to get symlink object for '%s'", pszName);
615
616 if (rtZipTarHasEscapeSequence(pszName))
617 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Name '%s' contains an escape sequence.", pszName);
618
619 /*
620 * Construct the path to the extracted member.
621 */
622 char szDst[RTPATH_MAX];
623 rc = RTPathJoin(szDst, sizeof(szDst), pOpts->pszDirectory ? pOpts->pszDirectory : ".", pszName);
624 if (RT_FAILURE(rc))
625 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Failed to construct destination path for: %Rrc", pszName, rc);
626
627 /*
628 * Extract according to the type.
629 */
630 switch (UnixInfo.Attr.fMode & RTFS_TYPE_MASK)
631 {
632 case RTFS_TYPE_FILE:
633 return rtZipTarCmdExtractFile(pOpts, hVfsObj, rcExit, szDst, &UnixInfo, &Owner, &Group);
634
635 case RTFS_TYPE_DIRECTORY:
636 rc = RTDirCreateFullPath(szDst, UnixInfo.Attr.fMode & RTFS_UNIX_ALL_ACCESS_PERMS);
637 if (RT_FAILURE(rc))
638 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error creating directory: %Rrc", szDst, rc);
639 break;
640
641 case RTFS_TYPE_SYMLINK:
642 rc = RTSymlinkCreate(szDst, szTarget, RTSYMLINKTYPE_UNKNOWN, 0);
643 if (RT_FAILURE(rc))
644 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error creating symbolic link: %Rrc", szDst, rc);
645 break;
646
647 case RTFS_TYPE_FIFO:
648 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: FIFOs are not supported.", pszName);
649 case RTFS_TYPE_DEV_CHAR:
650 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: FIFOs are not supported.", pszName);
651 case RTFS_TYPE_DEV_BLOCK:
652 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Block devices are not supported.", pszName);
653 case RTFS_TYPE_SOCKET:
654 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Sockets are not supported.", pszName);
655 case RTFS_TYPE_WHITEOUT:
656 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Whiteouts are not support.", pszName);
657 default:
658 return RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Unknown file type.", pszName);
659 }
660
661 /*
662 * Set other attributes as requested.
663 *
664 * Note! File extraction does get here.
665 */
666 if (!pOpts->fNoModTime)
667 {
668 rc = RTPathSetTimesEx(szDst, NULL, &UnixInfo.ModificationTime, NULL, NULL, RTPATH_F_ON_LINK);
669 if (RT_FAILURE(rc) && rc != VERR_NOT_SUPPORTED && rc != VERR_NS_SYMLINK_SET_TIME)
670 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error changing modification time: %Rrc.", pszName, rc);
671 }
672
673#if !defined(RT_OS_WINDOWS) && !defined(RT_OS_OS2)
674 if ( pOpts->uidOwner != NIL_RTUID
675 || pOpts->gidGroup != NIL_RTGID
676 || pOpts->fPreserveOwner
677 || pOpts->fPreserveGroup)
678 {
679 RTUID uidFile;
680 rcExit = rtZipTarQueryExtractOwner(pOpts, &Owner, szDst, rcExit, &uidFile);
681
682 RTGID gidFile;
683 rcExit = rtZipTarQueryExtractGroup(pOpts, &Group, szDst, rcExit, &gidFile);
684 if (uidFile != NIL_RTUID || gidFile != NIL_RTGID)
685 {
686 rc = RTPathSetOwnerEx(szDst, uidFile, gidFile, RTPATH_F_ON_LINK);
687 if (RT_FAILURE(rc))
688 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error owner/group: %Rrc", szDst, rc);
689 }
690 }
691#endif
692
693#if !defined(RT_OS_WINDOWS) /** @todo implement RTPathSetMode on windows... */
694 if (!RTFS_IS_SYMLINK(UnixInfo.Attr.fMode)) /* RTPathSetMode follows symbolic links atm. */
695 {
696 RTFMODE fMode;
697 if (RTFS_IS_DIRECTORY(UnixInfo.Attr.fMode))
698 fMode = (UnixInfo.Attr.fMode & (pOpts->fDirModeAndMask | RTFS_TYPE_MASK)) | pOpts->fDirModeOrMask;
699 else
700 fMode = (UnixInfo.Attr.fMode & (pOpts->fFileModeAndMask | RTFS_TYPE_MASK)) | pOpts->fFileModeOrMask;
701 rc = RTPathSetMode(szDst, fMode);
702 if (RT_FAILURE(rc))
703 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "%s: Error changing mode: %Rrc", szDst, rc);
704 }
705#endif
706
707 return rcExit;
708}
709
710
711/**
712 * @callback_method_impl{PFNDOWITHMEMBER, Implements --list.}
713 */
714static RTEXITCODE rtZipTarCmdListCallback(PRTZIPTARCMDOPS pOpts, RTVFSOBJ hVfsObj, const char *pszName, RTEXITCODE rcExit)
715{
716 /*
717 * This is very simple in non-verbose mode.
718 */
719 if (!pOpts->fVerbose)
720 {
721 RTPrintf("%s\n", pszName);
722 return rcExit;
723 }
724
725 /*
726 * Query all the information.
727 */
728 RTFSOBJINFO UnixInfo;
729 int rc = RTVfsObjQueryInfo(hVfsObj, &UnixInfo, RTFSOBJATTRADD_UNIX);
730 if (RT_FAILURE(rc))
731 {
732 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsObjQueryInfo returned %Rrc on '%s'", rc, pszName);
733 RT_ZERO(UnixInfo);
734 }
735
736 RTFSOBJINFO Owner;
737 rc = RTVfsObjQueryInfo(hVfsObj, &Owner, RTFSOBJATTRADD_UNIX_OWNER);
738 if (RT_FAILURE(rc))
739 {
740 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE,
741 "RTVfsObjQueryInfo(,,UNIX_OWNER) returned %Rrc on '%s'",
742 rc, pszName);
743 RT_ZERO(Owner);
744 }
745
746 RTFSOBJINFO Group;
747 rc = RTVfsObjQueryInfo(hVfsObj, &Group, RTFSOBJATTRADD_UNIX_GROUP);
748 if (RT_FAILURE(rc))
749 {
750 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE,
751 "RTVfsObjQueryInfo(,,UNIX_OWNER) returned %Rrc on '%s'",
752 rc, pszName);
753 RT_ZERO(Group);
754 }
755
756 const char *pszLinkType = NULL;
757 char szTarget[RTPATH_MAX];
758 szTarget[0] = '\0';
759 RTVFSSYMLINK hVfsSymlink = RTVfsObjToSymlink(hVfsObj);
760 if (hVfsSymlink != NIL_RTVFSSYMLINK)
761 {
762 rc = RTVfsSymlinkRead(hVfsSymlink, szTarget, sizeof(szTarget));
763 if (RT_FAILURE(rc))
764 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "RTVfsSymlinkRead returned %Rrc on '%s'", rc, pszName);
765 RTVfsSymlinkRelease(hVfsSymlink);
766 pszLinkType = RTFS_IS_SYMLINK(UnixInfo.Attr.fMode) ? "->" : "link to";
767 }
768 else if (RTFS_IS_SYMLINK(UnixInfo.Attr.fMode))
769 rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "Failed to get symlink object for '%s'", pszName);
770
771 /*
772 * Translate the mode mask.
773 */
774 char szMode[16];
775 switch (UnixInfo.Attr.fMode & RTFS_TYPE_MASK)
776 {
777 case RTFS_TYPE_FIFO: szMode[0] = 'f'; break;
778 case RTFS_TYPE_DEV_CHAR: szMode[0] = 'c'; break;
779 case RTFS_TYPE_DIRECTORY: szMode[0] = 'd'; break;
780 case RTFS_TYPE_DEV_BLOCK: szMode[0] = 'b'; break;
781 case RTFS_TYPE_FILE: szMode[0] = '-'; break;
782 case RTFS_TYPE_SYMLINK: szMode[0] = 'l'; break;
783 case RTFS_TYPE_SOCKET: szMode[0] = 's'; break;
784 case RTFS_TYPE_WHITEOUT: szMode[0] = 'w'; break;
785 default: szMode[0] = '?'; break;
786 }
787 if (pszLinkType && szMode[0] != 's')
788 szMode[0] = 'h';
789
790 szMode[1] = UnixInfo.Attr.fMode & RTFS_UNIX_IRUSR ? 'r' : '-';
791 szMode[2] = UnixInfo.Attr.fMode & RTFS_UNIX_IWUSR ? 'w' : '-';
792 szMode[3] = UnixInfo.Attr.fMode & RTFS_UNIX_IXUSR ? 'x' : '-';
793
794 szMode[4] = UnixInfo.Attr.fMode & RTFS_UNIX_IRGRP ? 'r' : '-';
795 szMode[5] = UnixInfo.Attr.fMode & RTFS_UNIX_IWGRP ? 'w' : '-';
796 szMode[6] = UnixInfo.Attr.fMode & RTFS_UNIX_IXGRP ? 'x' : '-';
797
798 szMode[7] = UnixInfo.Attr.fMode & RTFS_UNIX_IROTH ? 'r' : '-';
799 szMode[8] = UnixInfo.Attr.fMode & RTFS_UNIX_IWOTH ? 'w' : '-';
800 szMode[9] = UnixInfo.Attr.fMode & RTFS_UNIX_IXOTH ? 'x' : '-';
801 szMode[10] = '\0';
802
803 /** @todo sticky and set-uid/gid bits. */
804
805 /*
806 * Make sure we've got valid owner and group strings.
807 */
808 if (!Owner.Attr.u.UnixGroup.szName[0])
809 RTStrPrintf(Owner.Attr.u.UnixOwner.szName, sizeof(Owner.Attr.u.UnixOwner.szName),
810 "%u", UnixInfo.Attr.u.Unix.uid);
811
812 if (!Group.Attr.u.UnixOwner.szName[0])
813 RTStrPrintf(Group.Attr.u.UnixGroup.szName, sizeof(Group.Attr.u.UnixGroup.szName),
814 "%u", UnixInfo.Attr.u.Unix.gid);
815
816 /*
817 * Format the modification time.
818 */
819 char szModTime[32];
820 RTTIME ModTime;
821 PRTTIME pTime;
822 if (!pOpts->fDisplayUtc)
823 pTime = RTTimeLocalExplode(&ModTime, &UnixInfo.ModificationTime);
824 else
825 pTime = RTTimeExplode(&ModTime, &UnixInfo.ModificationTime);
826 if (!pTime)
827 RT_ZERO(ModTime);
828 RTStrPrintf(szModTime, sizeof(szModTime), "%04d-%02u-%02u %02u:%02u",
829 ModTime.i32Year, ModTime.u8Month, ModTime.u8MonthDay, ModTime.u8Hour, ModTime.u8Minute);
830
831 /*
832 * Format the size and figure how much space is needed between the
833 * user/group and the size.
834 */
835 char szSize[64];
836 size_t cchSize;
837 switch (UnixInfo.Attr.fMode & RTFS_TYPE_MASK)
838 {
839 case RTFS_TYPE_DEV_CHAR:
840 case RTFS_TYPE_DEV_BLOCK:
841 cchSize = RTStrPrintf(szSize, sizeof(szSize), "%u,%u",
842 RTDEV_MAJOR(UnixInfo.Attr.u.Unix.Device), RTDEV_MINOR(UnixInfo.Attr.u.Unix.Device));
843 break;
844 default:
845 cchSize = RTStrPrintf(szSize, sizeof(szSize), "%RU64", UnixInfo.cbObject);
846 break;
847 }
848
849 size_t cchUserGroup = strlen(Owner.Attr.u.UnixOwner.szName)
850 + 1
851 + strlen(Group.Attr.u.UnixGroup.szName);
852 ssize_t cchPad = cchUserGroup + cchSize + 1 < 19
853 ? 19 - (cchUserGroup + cchSize + 1)
854 : 0;
855
856 /*
857 * Go to press.
858 */
859 if (pszLinkType)
860 RTPrintf("%s %s/%s%*s %s %s %s %s %s\n",
861 szMode,
862 Owner.Attr.u.UnixOwner.szName, Group.Attr.u.UnixGroup.szName,
863 cchPad, "",
864 szSize,
865 szModTime,
866 pszName,
867 pszLinkType,
868 szTarget);
869 else
870 RTPrintf("%s %s/%s%*s %s %s %s\n",
871 szMode,
872 Owner.Attr.u.UnixOwner.szName, Group.Attr.u.UnixGroup.szName,
873 cchPad, "",
874 szSize,
875 szModTime,
876 pszName);
877
878 return rcExit;
879}
880
881
882/**
883 * Display usage.
884 *
885 * @param pszProgName The program name.
886 */
887static void rtZipTarUsage(const char *pszProgName)
888{
889 /*
890 * 0 1 2 3 4 5 6 7 8
891 * 012345678901234567890123456789012345678901234567890123456789012345678901234567890
892 */
893 RTPrintf("Usage: %s [options]\n"
894 "\n",
895 pszProgName);
896 RTPrintf("Operations:\n"
897 " -A, --concatenate, --catenate\n"
898 " Append the content of one tar archive to another. (not impl)\n"
899 " -c, --create\n"
900 " Create a new tar archive. (not impl)\n"
901 " -d, --diff, --compare\n"
902 " Compare atar archive with the file system. (not impl)\n"
903 " -r, --append\n"
904 " Append more files to the tar archive. (not impl)\n"
905 " -t, --list\n"
906 " List the contents of the tar archive.\n"
907 " -u, --update\n"
908 " Update the archive, adding files that are newer than the\n"
909 " ones in the archive. (not impl)\n"
910 " -x, --extract, --get\n"
911 " Extract the files from the tar archive.\n"
912 " --delete\n"
913 " Delete files from the tar archive.\n"
914 "\n"
915 );
916 RTPrintf("Basic Options:\n"
917 " -C <dir>, --directory <dir> (-A, -C, -d, -r, -u, -x)\n"
918 " Sets the base directory for input and output file members.\n"
919 " This does not apply to --file, even if it preceeds it.\n"
920 " -f <archive>, --file <archive> (all)\n"
921 " The tar file to create or process. '-' indicates stdout/stdin,\n"
922 " which is is the default.\n"
923 " -v, --verbose (all)\n"
924 " Verbose operation.\n"
925 " -p, --preserve-permissions (-x)\n"
926 " Preserve all permissions when extracting. Must be used\n"
927 " before the mode mask options as it will change some of these.\n"
928 " -j, --bzip2 (all)\n"
929 " Compress/decompress the archive with bzip2.\n"
930 " -z, --gzip, --gunzip, --ungzip (all)\n"
931 " Compress/decompress the archive with gzip.\n"
932 "\n");
933 RTPrintf("Misc Options:\n"
934 " --owner <uid/username> (-A, -C, -d, -r, -u, -x)\n"
935 " Set the owner of extracted and archived files to the user specified.\n"
936 " --group <uid/username> (-A, -C, -d, -r, -u, -x)\n"
937 " Set the group of extracted and archived files to the group specified.\n"
938 " --utc (-t)\n"
939 " Display timestamps as UTC instead of local time.\n"
940 "\n");
941 RTPrintf("IPRT Options:\n"
942 " --prefix <dir-prefix> (-A, -C, -d, -r, -u)\n"
943 " Directory prefix to give the members added to the archive.\n"
944 " --file-mode-and-mask <octal-mode> (-A, -C, -d, -r, -u, -x)\n"
945 " Restrict the access mode of regular and special files.\n"
946 " --file-mode-and-mask <octal-mode> (-A, -C, -d, -r, -u, -x)\n"
947 " Include the given access mode for regular and special files.\n"
948 " --dir-mode-and-mask <octal-mode> (-A, -C, -d, -r, -u, -x)\n"
949 " Restrict the access mode of directories.\n"
950 " --dir-mode-and-mask <octal-mode> (-A, -C, -d, -r, -u, -x)\n"
951 " Include the given access mode for directories.\n"
952 " --read-ahead (-x)\n"
953 " Enabled read ahead thread when extracting files.\n"
954 "\n");
955 RTPrintf("Standard Options:\n"
956 " -h, -?, --help\n"
957 " Display this help text.\n"
958 " -V, --version\n"
959 " Display version number.\n");
960}
961
962
963RTDECL(RTEXITCODE) RTZipTarCmd(unsigned cArgs, char **papszArgs)
964{
965 /*
966 * Parse the command line.
967 *
968 * N.B. This is less flexible that your regular tar program in that it
969 * requires the operation to be specified as an option. On the other
970 * hand, you can specify it where ever you like in the command line.
971 */
972 static const RTGETOPTDEF s_aOptions[] =
973 {
974 /* operations */
975 { "--concatenate", 'A', RTGETOPT_REQ_NOTHING },
976 { "--catenate", 'A', RTGETOPT_REQ_NOTHING },
977 { "--create", 'c', RTGETOPT_REQ_NOTHING },
978 { "--diff", 'd', RTGETOPT_REQ_NOTHING },
979 { "--compare", 'd', RTGETOPT_REQ_NOTHING },
980 { "--append", 'r', RTGETOPT_REQ_NOTHING },
981 { "--list", 't', RTGETOPT_REQ_NOTHING },
982 { "--update", 'u', RTGETOPT_REQ_NOTHING },
983 { "--extract", 'x', RTGETOPT_REQ_NOTHING },
984 { "--get", 'x', RTGETOPT_REQ_NOTHING },
985 { "--delete", RTZIPTARCMD_OPT_DELETE, RTGETOPT_REQ_NOTHING },
986
987 /* basic options */
988 { "--directory", 'C', RTGETOPT_REQ_STRING },
989 { "--file", 'f', RTGETOPT_REQ_STRING },
990 { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
991 { "--preserve-permissions", 'p', RTGETOPT_REQ_NOTHING },
992 { "--bzip2", 'j', RTGETOPT_REQ_NOTHING },
993 { "--gzip", 'z', RTGETOPT_REQ_NOTHING },
994 { "--gunzip", 'z', RTGETOPT_REQ_NOTHING },
995 { "--ungzip", 'z', RTGETOPT_REQ_NOTHING },
996
997 /* other options. */
998 { "--owner", RTZIPTARCMD_OPT_OWNER, RTGETOPT_REQ_STRING },
999 { "--group", RTZIPTARCMD_OPT_GROUP, RTGETOPT_REQ_STRING },
1000 { "--utc", RTZIPTARCMD_OPT_UTC, RTGETOPT_REQ_NOTHING },
1001
1002 /* IPRT extensions */
1003 { "--prefix", RTZIPTARCMD_OPT_PREFIX, RTGETOPT_REQ_STRING },
1004 { "--file-mode-and-mask", RTZIPTARCMD_OPT_FILE_MODE_AND_MASK, RTGETOPT_REQ_UINT32 | RTGETOPT_FLAG_OCT },
1005 { "--file-mode-or-mask", RTZIPTARCMD_OPT_FILE_MODE_OR_MASK, RTGETOPT_REQ_UINT32 | RTGETOPT_FLAG_OCT },
1006 { "--dir-mode-and-mask", RTZIPTARCMD_OPT_DIR_MODE_AND_MASK, RTGETOPT_REQ_UINT32 | RTGETOPT_FLAG_OCT },
1007 { "--dir-mode-or-mask", RTZIPTARCMD_OPT_DIR_MODE_OR_MASK, RTGETOPT_REQ_UINT32 | RTGETOPT_FLAG_OCT },
1008 { "--format", RTZIPTARCMD_OPT_FORMAT, RTGETOPT_REQ_STRING },
1009 { "--read-ahead", RTZIPTARCMD_OPT_READ_AHEAD, RTGETOPT_REQ_NOTHING },
1010 };
1011
1012 RTGETOPTSTATE GetState;
1013 int rc = RTGetOptInit(&GetState, cArgs, papszArgs, s_aOptions, RT_ELEMENTS(s_aOptions), 1,
1014 RTGETOPTINIT_FLAGS_OPTS_FIRST);
1015 if (RT_FAILURE(rc))
1016 return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTGetOpt failed: %Rrc", rc);
1017
1018 RTZIPTARCMDOPS Opts;
1019 RT_ZERO(Opts);
1020 Opts.enmFormat = RTZIPTARFORMAT_AUTO_DEFAULT;
1021 Opts.uidOwner = NIL_RTUID;
1022 Opts.gidGroup = NIL_RTUID;
1023 Opts.fFileModeAndMask = RTFS_UNIX_ALL_ACCESS_PERMS;
1024 Opts.fDirModeAndMask = RTFS_UNIX_ALL_ACCESS_PERMS;
1025#if 0
1026 if (RTPermIsSuperUser())
1027 {
1028 Opts.fFileModeAndMask = RTFS_UNIX_ALL_PERMS;
1029 Opts.fDirModeAndMask = RTFS_UNIX_ALL_PERMS;
1030 Opts.fPreserveOwner = true;
1031 Opts.fPreserveGroup = true;
1032 }
1033#endif
1034
1035 RTGETOPTUNION ValueUnion;
1036 while ( (rc = RTGetOpt(&GetState, &ValueUnion)) != 0
1037 && rc != VINF_GETOPT_NOT_OPTION)
1038 {
1039 switch (rc)
1040 {
1041 /* operations */
1042 case 'A':
1043 case 'c':
1044 case 'd':
1045 case 'r':
1046 case 't':
1047 case 'u':
1048 case 'x':
1049 case RTZIPTARCMD_OPT_DELETE:
1050 if (Opts.iOperation)
1051 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Conflicting tar operation (%s already set, now %s)",
1052 Opts.pszOperation, ValueUnion.pDef->pszLong);
1053 Opts.iOperation = rc;
1054 Opts.pszOperation = ValueUnion.pDef->pszLong;
1055 break;
1056
1057 /* basic options */
1058 case 'C':
1059 if (Opts.pszDirectory)
1060 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify -C/--directory once");
1061 Opts.pszDirectory = ValueUnion.psz;
1062 break;
1063
1064 case 'f':
1065 if (Opts.pszFile)
1066 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify -f/--file once");
1067 Opts.pszFile = ValueUnion.psz;
1068 break;
1069
1070 case 'v':
1071 Opts.fVerbose = true;
1072 break;
1073
1074 case 'p':
1075 Opts.fFileModeAndMask = RTFS_UNIX_ALL_PERMS;
1076 Opts.fDirModeAndMask = RTFS_UNIX_ALL_PERMS;
1077 Opts.fPreserveOwner = true;
1078 Opts.fPreserveGroup = true;
1079 break;
1080
1081 case 'j':
1082 case 'z':
1083 if (Opts.chZipper)
1084 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify one compressor / decompressor");
1085 Opts.chZipper = rc;
1086 break;
1087
1088 case RTZIPTARCMD_OPT_OWNER:
1089 if (Opts.pszOwner)
1090 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify --owner once");
1091 Opts.pszOwner = ValueUnion.psz;
1092
1093 rc = RTStrToUInt32Full(Opts.pszOwner, 0, &ValueUnion.u32);
1094 if (RT_SUCCESS(rc) && rc != VINF_SUCCESS)
1095 return RTMsgErrorExit(RTEXITCODE_SYNTAX,
1096 "Error convering --owner '%s' into a number: %Rrc", Opts.pszOwner, rc);
1097 if (RT_SUCCESS(rc))
1098 {
1099 Opts.uidOwner = ValueUnion.u32;
1100 Opts.pszOwner = NULL;
1101 }
1102 break;
1103
1104 case RTZIPTARCMD_OPT_GROUP:
1105 if (Opts.pszGroup)
1106 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify --group once");
1107 Opts.pszGroup = ValueUnion.psz;
1108
1109 rc = RTStrToUInt32Full(Opts.pszGroup, 0, &ValueUnion.u32);
1110 if (RT_SUCCESS(rc) && rc != VINF_SUCCESS)
1111 return RTMsgErrorExit(RTEXITCODE_SYNTAX,
1112 "Error convering --group '%s' into a number: %Rrc", Opts.pszGroup, rc);
1113 if (RT_SUCCESS(rc))
1114 {
1115 Opts.gidGroup = ValueUnion.u32;
1116 Opts.pszGroup = NULL;
1117 }
1118 break;
1119
1120 case RTZIPTARCMD_OPT_UTC:
1121 Opts.fDisplayUtc = true;
1122 break;
1123
1124 /* iprt extensions */
1125 case RTZIPTARCMD_OPT_PREFIX:
1126 if (Opts.pszPrefix)
1127 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "You may only specify --prefix once");
1128 Opts.pszPrefix = ValueUnion.psz;
1129 break;
1130
1131 case RTZIPTARCMD_OPT_FILE_MODE_AND_MASK:
1132 Opts.fFileModeAndMask = ValueUnion.u32 & RTFS_UNIX_ALL_PERMS;
1133 break;
1134
1135 case RTZIPTARCMD_OPT_FILE_MODE_OR_MASK:
1136 Opts.fFileModeOrMask = ValueUnion.u32 & RTFS_UNIX_ALL_PERMS;
1137 break;
1138
1139 case RTZIPTARCMD_OPT_DIR_MODE_AND_MASK:
1140 Opts.fDirModeAndMask = ValueUnion.u32 & RTFS_UNIX_ALL_PERMS;
1141 break;
1142
1143 case RTZIPTARCMD_OPT_DIR_MODE_OR_MASK:
1144 Opts.fDirModeOrMask = ValueUnion.u32 & RTFS_UNIX_ALL_PERMS;
1145 break;
1146
1147 case RTZIPTARCMD_OPT_FORMAT:
1148 if (!strcmp(ValueUnion.psz, "auto") || !strcmp(ValueUnion.psz, "default"))
1149 Opts.enmFormat = RTZIPTARFORMAT_AUTO_DEFAULT;
1150 else if (!strcmp(ValueUnion.psz, "tar"))
1151 Opts.enmFormat = RTZIPTARFORMAT_TAR;
1152 else if (!strcmp(ValueUnion.psz, "xar"))
1153 Opts.enmFormat = RTZIPTARFORMAT_XAR;
1154 else
1155 return RTMsgErrorExit(RTEXITCODE_SYNTAX, "Unknown archive format: '%s'", ValueUnion.psz);
1156 break;
1157
1158 case RTZIPTARCMD_OPT_READ_AHEAD:
1159 Opts.fReadAhead = true;
1160 break;
1161
1162 /* Standard bits. */
1163 case 'h':
1164 rtZipTarUsage(RTPathFilename(papszArgs[0]));
1165 return RTEXITCODE_SUCCESS;
1166
1167 case 'V':
1168 RTPrintf("%sr%d\n", RTBldCfgVersion(), RTBldCfgRevision());
1169 return RTEXITCODE_SUCCESS;
1170
1171 default:
1172 return RTGetOptPrintError(rc, &ValueUnion);
1173 }
1174 }
1175
1176 if (rc == VINF_GETOPT_NOT_OPTION)
1177 {
1178 /* this is kind of ugly. */
1179 Assert((unsigned)GetState.iNext - 1 <= cArgs);
1180 Opts.papszFiles = (const char * const *)&papszArgs[GetState.iNext - 1];
1181 Opts.cFiles = cArgs - GetState.iNext + 1;
1182 }
1183
1184 /*
1185 * Post proceess the options.
1186 */
1187 if (Opts.iOperation == 0)
1188 {
1189 Opts.iOperation = 't';
1190 Opts.pszOperation = "--list";
1191 }
1192
1193 if ( Opts.iOperation == 'x'
1194 && Opts.pszOwner)
1195 return RTMsgErrorExit(RTEXITCODE_FAILURE, "The use of --owner with %s has not implemented yet", Opts.pszOperation);
1196
1197 if ( Opts.iOperation == 'x'
1198 && Opts.pszGroup)
1199 return RTMsgErrorExit(RTEXITCODE_FAILURE, "The use of --group with %s has not implemented yet", Opts.pszOperation);
1200
1201 /*
1202 * Do the job.
1203 */
1204 switch (Opts.iOperation)
1205 {
1206 case 't':
1207 return rtZipTarDoWithMembers(&Opts, rtZipTarCmdListCallback);
1208
1209 case 'x':
1210 return rtZipTarDoWithMembers(&Opts, rtZipTarCmdExtractCallback);
1211
1212 case 'A':
1213 case 'c':
1214 case 'd':
1215 case 'r':
1216 case 'u':
1217 case RTZIPTARCMD_OPT_DELETE:
1218 return RTMsgErrorExit(RTEXITCODE_FAILURE, "The operation %s is not implemented yet", Opts.pszOperation);
1219
1220 default:
1221 return RTMsgErrorExit(RTEXITCODE_FAILURE, "Internal error");
1222 }
1223}
1224
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