Example #1
0
/*
 * Test functions for pathname patterns.
 *
 * Returns 1 if archive entry is excluded.
 * Returns 0 if archive entry is not excluded.
 * Returns <0 if something error happened.
 */
int
archive_match_path_excluded(struct archive *_a,
    struct archive_entry *entry)
{
	struct archive_match *a;

	archive_check_magic(_a, ARCHIVE_MATCH_MAGIC,
	    ARCHIVE_STATE_NEW, "archive_match_path_excluded");

	a = (struct archive_match *)_a;
	if (entry == NULL) {
		archive_set_error(&(a->archive), EINVAL, "entry is NULL");
		return (ARCHIVE_FAILED);
	}

	/* If we don't have exclusion/inclusion pattern set at all,
	 * the entry is always not excluded. */
	if ((a->setflag & PATTERN_IS_SET) == 0)
		return (0);
#if defined(_WIN32) && !defined(__CYGWIN__)
	return (path_excluded(a, 0, archive_entry_pathname_w(entry)));
#else
	return (path_excluded(a, 1, archive_entry_pathname(entry)));
#endif
}
static void
verify(struct archive *a) {
	struct archive_entry *ae;
	const wchar_t *wp;
	int file, i;

        /*
	 * Test file has a pattern to all names: They all have a
	 * number followed by " - " and an accented character.  This
	 * archive was created by Windows and has regular filenames in
	 * some MBCS and uses the Zip 0x7075 extension to hold UTF-8
	 * pathnames.  The code below checks that the correct
	 * (Unicode) characters are decoded by comparing the number to
	 * the expected accented character.
	 */

	for (file = 0; file < 20; ++file) {
		assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
		wp = archive_entry_pathname_w(ae);
		for (i = 0; wp[i] != 0; ++i) {
			if (wp[i] == '2') {
				failure("Unicode 'o with umlaut' expected");
				assertEqualInt(wp[i + 4], 0xF6);
			} else if (wp[i] == '3') {
				failure("Unicode 'a with umlaut' expected");
				assertEqualInt(wp[i + 4], 0xE4);
			} else if (wp[i] == '4') {
				failure("Unicode 'a with ring' expected");
				assertEqualInt(wp[i + 4], 0xE5);
			}
		}
	}
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
}
Example #3
0
static foreign_t
archive_next_header(term_t archive, term_t name)
{ archive_wrapper *ar;
  int rc;

  if ( !get_archive(archive, &ar) )
    return FALSE;
  if ( ar->status == AR_NEW_ENTRY )
    archive_read_data_skip(ar->archive);
  if ( ar->status == AR_OPENED_ENTRY )
    return PL_permission_error("next_header", "archive", archive);

  while ( (rc=archive_read_next_header(ar->archive, &ar->entry)) == ARCHIVE_OK )
  { if ( PL_unify_wchars(name, PL_ATOM, -1,
			 archive_entry_pathname_w(ar->entry)) )
    { ar->status = AR_NEW_ENTRY;
      return TRUE;
    }
    if ( PL_exception(0) )
      return FALSE;
  }

  if ( rc == ARCHIVE_EOF )
    return FALSE;			/* simply at the end */

  return archive_error(ar);
}
Example #4
0
static QString next_file( archive* a ){
	archive_entry *entry;
	switch( archive_read_next_header( a, &entry ) ){
		case ARCHIVE_EOF: return QString();
		case ARCHIVE_OK:
			return QString::fromWCharArray( archive_entry_pathname_w( entry ) );
			
		default:
			qCWarning(LOG) << "Can't read the next zip header:" << archive_error_string(a);
			return QString();
	}
}
Example #5
0
/*
 * Convenience function to perform all exclusion tests.
 *
 * Returns 1 if archive entry is excluded.
 * Returns 0 if archive entry is not excluded.
 * Returns <0 if something error happened.
 */
int
archive_match_excluded(struct archive *_a, struct archive_entry *entry)
{
	struct archive_match *a;
	int r;

	archive_check_magic(_a, ARCHIVE_MATCH_MAGIC,
	    ARCHIVE_STATE_NEW, "archive_match_excluded_ae");

	a = (struct archive_match *)_a;
	if (entry == NULL) {
		archive_set_error(&(a->archive), EINVAL, "entry is NULL");
		return (ARCHIVE_FAILED);
	}

	r = 0;
	if (a->setflag & PATTERN_IS_SET) {
#if defined(_WIN32) && !defined(__CYGWIN__)
		r = path_excluded(a, 0, archive_entry_pathname_w(entry));
#else
		r = path_excluded(a, 1, archive_entry_pathname(entry));
#endif
		if (r != 0)
			return (r);
	}

	if (a->setflag & TIME_IS_SET) {
		r = time_excluded(a, entry);
		if (r != 0)
			return (r);
	}

	if (a->setflag & ID_IS_SET)
		r = owner_excluded(a, entry);
	return (r);
}
Example #6
0
/*
 * Test if entry is excluded by its timestamp.
 */
static int
time_excluded(struct archive_match *a, struct archive_entry *entry)
{
	struct match_file *f;
	const void *pathname;
	time_t sec;
	long nsec;

	/*
	 * If this file/dir is excluded by a time comparison, skip it.
	 */
	if (a->newer_ctime_filter) {
		/* If ctime is not set, use mtime instead. */
		if (archive_entry_ctime_is_set(entry))
			sec = archive_entry_ctime(entry);
		else
			sec = archive_entry_mtime(entry);
		if (sec < a->newer_ctime_sec)
			return (1); /* Too old, skip it. */
		if (sec == a->newer_ctime_sec) {
			if (archive_entry_ctime_is_set(entry))
				nsec = archive_entry_ctime_nsec(entry);
			else
				nsec = archive_entry_mtime_nsec(entry);
			if (nsec < a->newer_ctime_nsec)
				return (1); /* Too old, skip it. */
			if (nsec == a->newer_ctime_nsec &&
			    (a->newer_ctime_filter & ARCHIVE_MATCH_EQUAL)
			      == 0)
				return (1); /* Equal, skip it. */
		}
	}
	if (a->older_ctime_filter) {
		/* If ctime is not set, use mtime instead. */
		if (archive_entry_ctime_is_set(entry))
			sec = archive_entry_ctime(entry);
		else
			sec = archive_entry_mtime(entry);
		if (sec > a->older_ctime_sec)
			return (1); /* Too new, skip it. */
		if (sec == a->older_ctime_sec) {
			if (archive_entry_ctime_is_set(entry))
				nsec = archive_entry_ctime_nsec(entry);
			else
				nsec = archive_entry_mtime_nsec(entry);
			if (nsec > a->older_ctime_nsec)
				return (1); /* Too new, skip it. */
			if (nsec == a->older_ctime_nsec &&
			    (a->older_ctime_filter & ARCHIVE_MATCH_EQUAL)
			      == 0)
				return (1); /* Equal, skip it. */
		}
	}
	if (a->newer_mtime_filter) {
		sec = archive_entry_mtime(entry);
		if (sec < a->newer_mtime_sec)
			return (1); /* Too old, skip it. */
		if (sec == a->newer_mtime_sec) {
			nsec = archive_entry_mtime_nsec(entry);
			if (nsec < a->newer_mtime_nsec)
				return (1); /* Too old, skip it. */
			if (nsec == a->newer_mtime_nsec &&
			    (a->newer_mtime_filter & ARCHIVE_MATCH_EQUAL)
			       == 0)
				return (1); /* Equal, skip it. */
		}
	}
	if (a->older_mtime_filter) {
		sec = archive_entry_mtime(entry);
		if (sec > a->older_mtime_sec)
			return (1); /* Too new, skip it. */
		nsec = archive_entry_mtime_nsec(entry);
		if (sec == a->older_mtime_sec) {
			if (nsec > a->older_mtime_nsec)
				return (1); /* Too new, skip it. */
			if (nsec == a->older_mtime_nsec &&
			    (a->older_mtime_filter & ARCHIVE_MATCH_EQUAL)
			       == 0)
				return (1); /* Equal, skip it. */
		}
	}

	/* If there is no exclusion list, include the file. */
	if (a->exclusion_entry_list.count == 0)
		return (0);

#if defined(_WIN32) && !defined(__CYGWIN__)
	pathname = archive_entry_pathname_w(entry);
	a->exclusion_tree.rbt_ops = &rb_ops_wcs;
#else
	(void)rb_ops_wcs;
	pathname = archive_entry_pathname(entry);
	a->exclusion_tree.rbt_ops = &rb_ops_mbs;
#endif
	if (pathname == NULL)
		return (0);

	f = (struct match_file *)__archive_rb_tree_find_node(
		&(a->exclusion_tree), pathname);
	/* If the file wasn't rejected, include it. */
	if (f == NULL)
		return (0);

	if (f->flag & ARCHIVE_MATCH_CTIME) {
		sec = archive_entry_ctime(entry);
		if (f->ctime_sec > sec) {
			if (f->flag & ARCHIVE_MATCH_OLDER)
				return (1);
		} else if (f->ctime_sec < sec) {
			if (f->flag & ARCHIVE_MATCH_NEWER)
				return (1);
		} else {
			nsec = archive_entry_ctime_nsec(entry);
			if (f->ctime_nsec > nsec) {
				if (f->flag & ARCHIVE_MATCH_OLDER)
					return (1);
			} else if (f->ctime_nsec < nsec) {
				if (f->flag & ARCHIVE_MATCH_NEWER)
					return (1);
			} else if (f->flag & ARCHIVE_MATCH_EQUAL)
				return (1);
		}
	}
	if (f->flag & ARCHIVE_MATCH_MTIME) {
		sec = archive_entry_mtime(entry);
		if (f->mtime_sec > sec) {
			if (f->flag & ARCHIVE_MATCH_OLDER)
				return (1);
		} else if (f->mtime_sec < sec) {
			if (f->flag & ARCHIVE_MATCH_NEWER)
				return (1);
		} else {
			nsec = archive_entry_mtime_nsec(entry);
			if (f->mtime_nsec > nsec) {
				if (f->flag & ARCHIVE_MATCH_OLDER)
					return (1);
			} else if (f->mtime_nsec < nsec) {
				if (f->flag & ARCHIVE_MATCH_NEWER)
					return (1);
			} else if (f->flag & ARCHIVE_MATCH_EQUAL)
				return (1);
		}
	}
	return (0);
}
Example #7
0
static int
add_entry(struct archive_match *a, int flag,
    struct archive_entry *entry)
{
	struct match_file *f;
	const void *pathname;
	int r;

	f = calloc(1, sizeof(*f));
	if (f == NULL)
		return (error_nomem(a));

#if defined(_WIN32) && !defined(__CYGWIN__)
	pathname = archive_entry_pathname_w(entry);
	if (pathname == NULL) {
		free(f);
		archive_set_error(&(a->archive), EINVAL, "pathname is NULL");
		return (ARCHIVE_FAILED);
	}
	archive_mstring_copy_wcs(&(f->pathname), pathname);
	a->exclusion_tree.rbt_ops = &rb_ops_wcs;
#else
	(void)rb_ops_wcs;
	pathname = archive_entry_pathname(entry);
	if (pathname == NULL) {
		free(f);
		archive_set_error(&(a->archive), EINVAL, "pathname is NULL");
		return (ARCHIVE_FAILED);
	}
	archive_mstring_copy_mbs(&(f->pathname), pathname);
	a->exclusion_tree.rbt_ops = &rb_ops_mbs;
#endif
	f->flag = flag;
	f->mtime_sec = archive_entry_mtime(entry);
	f->mtime_nsec = archive_entry_mtime_nsec(entry);
	f->ctime_sec = archive_entry_ctime(entry);
	f->ctime_nsec = archive_entry_ctime_nsec(entry);
	r = __archive_rb_tree_insert_node(&(a->exclusion_tree), &(f->node));
	if (!r) {
		struct match_file *f2;

		/* Get the duplicated file. */
		f2 = (struct match_file *)__archive_rb_tree_find_node(
			&(a->exclusion_tree), pathname);

		/*
		 * We always overwrite comparison condition.
		 * If you do not want to overwrite it, you should not
		 * call archive_match_exclude_entry(). We cannot know
		 * what behavior you really expect since overwriting
		 * condition might be different with the flag.
		 */
		if (f2 != NULL) {
			f2->flag = f->flag;
			f2->mtime_sec = f->mtime_sec;
			f2->mtime_nsec = f->mtime_nsec;
			f2->ctime_sec = f->ctime_sec;
			f2->ctime_nsec = f->ctime_nsec;
		}
		/* Release the duplicated file. */
		archive_mstring_clean(&(f->pathname));
		free(f);
		return (ARCHIVE_OK);
	}
	entry_list_add(&(a->exclusion_entry_list), f);
	a->setflag |= TIME_IS_SET;
	return (ARCHIVE_OK);
}
static void
test_open_filename_wcs(void)
{
	char buff[64];
	struct archive_entry *ae;
	struct archive *a;

	/* Write an archive through this FILE *. */
	assert((a = archive_write_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_none(a));
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_write_open_filename_w(a, L"test.tar"));

	/*
	 * Write a file to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_mtime(ae, 1, 0);
	archive_entry_copy_pathname_w(ae, L"file");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	archive_entry_set_size(ae, 8);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);
	assertEqualIntA(a, 8, archive_write_data(a, "12345678", 9));

	/*
	 * Write a second file to it.
	 */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(ae, L"file2");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	archive_entry_set_size(ae, 819200);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);

	/* Close out the archive. */
	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/*
	 * Now, read the data back.
	 */
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_read_open_filename_w(a, L"test.tar", 512));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualInt(1, archive_entry_mtime(ae));
	assertEqualInt(0, archive_entry_mtime_nsec(ae));
	assertEqualInt(0, archive_entry_atime(ae));
	assertEqualInt(0, archive_entry_ctime(ae));
	assertEqualWString(L"file", archive_entry_pathname_w(ae));
	assert((S_IFREG | 0755) == archive_entry_mode(ae));
	assertEqualInt(8, archive_entry_size(ae));
	assertEqualIntA(a, 8, archive_read_data(a, buff, 10));
	assertEqualMem(buff, "12345678", 8);

	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualWString(L"file2", archive_entry_pathname_w(ae));
	assert((S_IFREG | 0755) == archive_entry_mode(ae));
	assertEqualInt(819200, archive_entry_size(ae));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_data_skip(a));

	/* Verify the end of the archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	/*
	 * Verify some of the error handling.
	 */
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_FATAL,
	    archive_read_open_filename_w(a, L"nonexistent.tar", 512));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

}
static int
archive_write_gnutar_header(struct archive_write *a,
     struct archive_entry *entry)
{
	char buff[512];
	int r, ret, ret2 = ARCHIVE_OK;
	int tartype;
	struct gnutar *gnutar;
	struct archive_string_conv *sconv;
	struct archive_entry *entry_main;

	gnutar = (struct gnutar *)a->format_data;

	/* Setup default string conversion. */
	if (gnutar->opt_sconv == NULL) {
		if (!gnutar->init_default_conversion) {
			gnutar->sconv_default =
			    archive_string_default_conversion_for_write(
				&(a->archive));
			gnutar->init_default_conversion = 1;
		}
		sconv = gnutar->sconv_default;
	} else
		sconv = gnutar->opt_sconv;

	/* Only regular files (not hardlinks) have data. */
	if (archive_entry_hardlink(entry) != NULL ||
	    archive_entry_symlink(entry) != NULL ||
	    !(archive_entry_filetype(entry) == AE_IFREG))
		archive_entry_set_size(entry, 0);

	if (AE_IFDIR == archive_entry_filetype(entry)) {
		const char *p;
		size_t path_length;
		/*
		 * Ensure a trailing '/'.  Modify the entry so
		 * the client sees the change.
		 */
#if defined(_WIN32) && !defined(__CYGWIN__)
		const wchar_t *wp;

		wp = archive_entry_pathname_w(entry);
		if (wp != NULL && wp[wcslen(wp) -1] != L'/') {
			struct archive_wstring ws;

			archive_string_init(&ws);
			path_length = wcslen(wp);
			if (archive_wstring_ensure(&ws,
			    path_length + 2) == NULL) {
				archive_set_error(&a->archive, ENOMEM,
				    "Can't allocate ustar data");
				archive_wstring_free(&ws);
				return(ARCHIVE_FATAL);
			}
			/* Should we keep '\' ? */
			if (wp[path_length -1] == L'\\')
				path_length--;
			archive_wstrncpy(&ws, wp, path_length);
			archive_wstrappend_wchar(&ws, L'/');
			archive_entry_copy_pathname_w(entry, ws.s);
			archive_wstring_free(&ws);
			p = NULL;
		} else
#endif
			p = archive_entry_pathname(entry);
		/*
		 * On Windows, this is a backup operation just in
		 * case getting WCS failed. On POSIX, this is a
		 * normal operation.
		 */
		if (p != NULL && p[0] != '\0' && p[strlen(p) - 1] != '/') {
			struct archive_string as;

			archive_string_init(&as);
			path_length = strlen(p);
			if (archive_string_ensure(&as,
			    path_length + 2) == NULL) {
				archive_set_error(&a->archive, ENOMEM,
				    "Can't allocate ustar data");
				archive_string_free(&as);
				return(ARCHIVE_FATAL);
			}
#if defined(_WIN32) && !defined(__CYGWIN__)
			/* NOTE: This might break the pathname
			 * if the current code page is CP932 and
			 * the pathname includes a character '\'
			 * as a part of its multibyte pathname. */
			if (p[strlen(p) -1] == '\\')
				path_length--;
			else
#endif
			archive_strncpy(&as, p, path_length);
			archive_strappend_char(&as, '/');
			archive_entry_copy_pathname(entry, as.s);
			archive_string_free(&as);
		}
	}

#if defined(_WIN32) && !defined(__CYGWIN__)
	/* Make sure the path separators in pathname, hardlink and symlink
	 * are all slash '/', not the Windows path separator '\'. */
	entry_main = __la_win_entry_in_posix_pathseparator(entry);
	if (entry_main == NULL) {
		archive_set_error(&a->archive, ENOMEM,
		    "Can't allocate ustar data");
		return(ARCHIVE_FATAL);
	}
	if (entry != entry_main)
		entry = entry_main;
	else
		entry_main = NULL;
#else
	entry_main = NULL;
#endif
	r = archive_entry_pathname_l(entry, &(gnutar->pathname),
	    &(gnutar->pathname_length), sconv);
	if (r != 0) {
		if (errno == ENOMEM) {
			archive_set_error(&a->archive, ENOMEM,
			    "Can't allocate memory for Pathame");
			ret = ARCHIVE_FATAL;
			goto exit_write_header;
		}
		archive_set_error(&a->archive, ARCHIVE_ERRNO_FILE_FORMAT,
		    "Can't translate pathname '%s' to %s",
		    archive_entry_pathname(entry),
		    archive_string_conversion_charset_name(sconv));
		ret2 = ARCHIVE_WARN;
	}
	r = archive_entry_uname_l(entry, &(gnutar->uname),
	    &(gnutar->uname_length), sconv);
	if (r != 0) {
		if (errno == ENOMEM) {
			archive_set_error(&a->archive, ENOMEM,
			    "Can't allocate memory for Uname");
			ret = ARCHIVE_FATAL;
			goto exit_write_header;
		}
		archive_set_error(&a->archive,
		    ARCHIVE_ERRNO_FILE_FORMAT,
		    "Can't translate uname '%s' to %s",
		    archive_entry_uname(entry),
		    archive_string_conversion_charset_name(sconv));
		ret2 = ARCHIVE_WARN;
	}
	r = archive_entry_gname_l(entry, &(gnutar->gname),
	    &(gnutar->gname_length), sconv);
	if (r != 0) {
		if (errno == ENOMEM) {
			archive_set_error(&a->archive, ENOMEM,
			    "Can't allocate memory for Gname");
			ret = ARCHIVE_FATAL;
			goto exit_write_header;
		}
		archive_set_error(&a->archive,
		    ARCHIVE_ERRNO_FILE_FORMAT,
		    "Can't translate gname '%s' to %s",
		    archive_entry_gname(entry),
		    archive_string_conversion_charset_name(sconv));
		ret2 = ARCHIVE_WARN;
	}

	/* If linkname is longer than 100 chars we need to add a 'K' header. */
	r = archive_entry_hardlink_l(entry, &(gnutar->linkname),
	    &(gnutar->linkname_length), sconv);
	if (r != 0) {
		if (errno == ENOMEM) {
			archive_set_error(&a->archive, ENOMEM,
			    "Can't allocate memory for Linkname");
			ret = ARCHIVE_FATAL;
			goto exit_write_header;
		}
		archive_set_error(&a->archive,
		    ARCHIVE_ERRNO_FILE_FORMAT,
		    "Can't translate linkname '%s' to %s",
		    archive_entry_hardlink(entry),
		    archive_string_conversion_charset_name(sconv));
		ret2 = ARCHIVE_WARN;
	}
	if (gnutar->linkname_length == 0) {
		r = archive_entry_symlink_l(entry, &(gnutar->linkname),
		    &(gnutar->linkname_length), sconv);
		if (r != 0) {
			if (errno == ENOMEM) {
				archive_set_error(&a->archive, ENOMEM,
				    "Can't allocate memory for Linkname");
				ret = ARCHIVE_FATAL;
				goto exit_write_header;
			}
			archive_set_error(&a->archive,
			    ARCHIVE_ERRNO_FILE_FORMAT,
			    "Can't translate linkname '%s' to %s",
			    archive_entry_hardlink(entry),
			    archive_string_conversion_charset_name(sconv));
			ret2 = ARCHIVE_WARN;
		}
	}
	if (gnutar->linkname_length > GNUTAR_linkname_size) {
		size_t length = gnutar->linkname_length + 1;
		struct archive_entry *temp = archive_entry_new2(&a->archive);

		/* Uname/gname here don't really matter since no one reads them;
		 * these are the values that GNU tar happens to use on FreeBSD. */
		archive_entry_set_uname(temp, "root");
		archive_entry_set_gname(temp, "wheel");

		archive_entry_set_pathname(temp, "././@LongLink");
		archive_entry_set_size(temp, length);
		ret = archive_format_gnutar_header(a, buff, temp, 'K');
		archive_entry_free(temp);
		if (ret < ARCHIVE_WARN)
			goto exit_write_header;
		ret = __archive_write_output(a, buff, 512);
		if (ret < ARCHIVE_WARN)
			goto exit_write_header;
		/* Write name and trailing null byte. */
		ret = __archive_write_output(a, gnutar->linkname, length);
		if (ret < ARCHIVE_WARN)
			goto exit_write_header;
		/* Pad to 512 bytes */
		ret = __archive_write_nulls(a, 0x1ff & (-(ssize_t)length));
		if (ret < ARCHIVE_WARN)
			goto exit_write_header;
	}

	/* If pathname is longer than 100 chars we need to add an 'L' header. */
	if (gnutar->pathname_length > GNUTAR_name_size) {
		const char *pathname = gnutar->pathname;
		size_t length = gnutar->pathname_length + 1;
		struct archive_entry *temp = archive_entry_new2(&a->archive);

		/* Uname/gname here don't really matter since no one reads them;
		 * these are the values that GNU tar happens to use on FreeBSD. */
		archive_entry_set_uname(temp, "root");
		archive_entry_set_gname(temp, "wheel");

		archive_entry_set_pathname(temp, "././@LongLink");
		archive_entry_set_size(temp, length);
		ret = archive_format_gnutar_header(a, buff, temp, 'L');
		archive_entry_free(temp);
		if (ret < ARCHIVE_WARN)
			goto exit_write_header;
		ret = __archive_write_output(a, buff, 512);
		if(ret < ARCHIVE_WARN)
			goto exit_write_header;
		/* Write pathname + trailing null byte. */
		ret = __archive_write_output(a, pathname, length);
		if(ret < ARCHIVE_WARN)
			goto exit_write_header;
		/* Pad to multiple of 512 bytes. */
		ret = __archive_write_nulls(a, 0x1ff & (-(ssize_t)length));
		if (ret < ARCHIVE_WARN)
			goto exit_write_header;
	}

	if (archive_entry_hardlink(entry) != NULL) {
		tartype = '1';
	} else
		switch (archive_entry_filetype(entry)) {
		case AE_IFREG: tartype = '0' ; break;
		case AE_IFLNK: tartype = '2' ; break;
		case AE_IFCHR: tartype = '3' ; break;
		case AE_IFBLK: tartype = '4' ; break;
		case AE_IFDIR: tartype = '5' ; break;
		case AE_IFIFO: tartype = '6' ; break;
		case AE_IFSOCK:
			archive_set_error(&a->archive,
			    ARCHIVE_ERRNO_FILE_FORMAT,
			    "tar format cannot archive socket");
			ret = ARCHIVE_FAILED;
			goto exit_write_header;
		default:
			archive_set_error(&a->archive,
			    ARCHIVE_ERRNO_FILE_FORMAT,
			    "tar format cannot archive this (mode=0%lo)",
			    (unsigned long)archive_entry_mode(entry));
			ret = ARCHIVE_FAILED;
			goto exit_write_header;
		}

	ret = archive_format_gnutar_header(a, buff, entry, tartype);
	if (ret < ARCHIVE_WARN)
		goto exit_write_header;
	if (ret2 < ret)
		ret = ret2;
	ret2 = __archive_write_output(a, buff, 512);
	if (ret2 < ARCHIVE_WARN) {
		ret = ret2;
		goto exit_write_header;
	}
	if (ret2 < ret)
		ret = ret2;

	gnutar->entry_bytes_remaining = archive_entry_size(entry);
	gnutar->entry_padding = 0x1ff & (-(int64_t)gnutar->entry_bytes_remaining);
exit_write_header:
	archive_entry_free(entry_main);
	return (ret);
}
/*
 * Create an entry starting from a wide-character Unicode pathname,
 * read it back into "C" locale, which doesn't support the name.
 * TODO: Figure out the "right" behavior here.
 */
static void
test_pax_filename_encoding_3(void)
{
	wchar_t badname[] = L"xxxAyyyBzzz";
	const char badname_utf8[] = "xxx\xE1\x88\xB4yyy\xE5\x99\xB8zzz";
	struct archive *a;
	struct archive_entry *entry;
	char buff[65536];
	size_t used;

	badname[3] = 0x1234;
	badname[7] = 0x5678;

	/* If it doesn't exist, just warn and return. */
	if (NULL == setlocale(LC_ALL, "C")) {
		skipping("Can't set \"C\" locale, so can't exercise "
		    "certain character-conversion failures");
		return;
	}

	/* If wctomb is broken, warn and return. */
	if (wctomb(buff, 0x1234) > 0) {
		skipping("Cannot test conversion failures because \"C\" "
		    "locale on this system has no invalid characters.");
		return;
	}

	/* If wctomb is broken, warn and return. */
	if (wctomb(buff, 0x1234) > 0) {
		skipping("Cannot test conversion failures because \"C\" "
		    "locale on this system has no invalid characters.");
		return;
	}

	/* Skip test if archive_entry_update_pathname_utf8() is broken. */
	/* In particular, this is currently broken on Win32 because
	 * setlocale() does not set the default encoding for CP_ACP. */
	entry = archive_entry_new();
	if (archive_entry_update_pathname_utf8(entry, badname_utf8)) {
		archive_entry_free(entry);
		skipping("Cannot test conversion failures.");
		return;
	}
	archive_entry_free(entry);

	assert((a = archive_write_new()) != NULL);
	assertEqualIntA(a, 0, archive_write_set_format_pax(a));
	assertEqualIntA(a, 0, archive_write_add_filter_none(a));
	assertEqualIntA(a, 0, archive_write_set_bytes_per_block(a, 0));
	assertEqualInt(0,
	    archive_write_open_memory(a, buff, sizeof(buff), &used));

	assert((entry = archive_entry_new()) != NULL);
	/* Set pathname to non-convertible wide value. */
	archive_entry_copy_pathname_w(entry, badname);
	archive_entry_set_filetype(entry, AE_IFREG);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);

	assert((entry = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(entry, L"abc");
	/* Set gname to non-convertible wide value. */
	archive_entry_copy_gname_w(entry, badname);
	archive_entry_set_filetype(entry, AE_IFREG);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);

	assert((entry = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(entry, L"abc");
	/* Set uname to non-convertible wide value. */
	archive_entry_copy_uname_w(entry, badname);
	archive_entry_set_filetype(entry, AE_IFREG);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);

	assert((entry = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(entry, L"abc");
	/* Set hardlink to non-convertible wide value. */
	archive_entry_copy_hardlink_w(entry, badname);
	archive_entry_set_filetype(entry, AE_IFREG);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);

	assert((entry = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(entry, L"abc");
	/* Set symlink to non-convertible wide value. */
	archive_entry_copy_symlink_w(entry, badname);
	archive_entry_set_filetype(entry, AE_IFLNK);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);

	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/*
	 * Now read the entries back.
	 */

	assert((a = archive_read_new()) != NULL);
	assertEqualInt(0, archive_read_support_format_tar(a));
	assertEqualInt(0, archive_read_open_memory(a, buff, used));

	failure("A non-convertible pathname should cause a warning.");
	assertEqualInt(ARCHIVE_WARN, archive_read_next_header(a, &entry));
	assertEqualWString(badname, archive_entry_pathname_w(entry));
	failure("If native locale can't convert, we should get UTF-8 back.");
	assertEqualString(badname_utf8, archive_entry_pathname(entry));

	failure("A non-convertible gname should cause a warning.");
	assertEqualInt(ARCHIVE_WARN, archive_read_next_header(a, &entry));
	assertEqualWString(badname, archive_entry_gname_w(entry));
	failure("If native locale can't convert, we should get UTF-8 back.");
	assertEqualString(badname_utf8, archive_entry_gname(entry));

	failure("A non-convertible uname should cause a warning.");
	assertEqualInt(ARCHIVE_WARN, archive_read_next_header(a, &entry));
	assertEqualWString(badname, archive_entry_uname_w(entry));
	failure("If native locale can't convert, we should get UTF-8 back.");
	assertEqualString(badname_utf8, archive_entry_uname(entry));

	failure("A non-convertible hardlink should cause a warning.");
	assertEqualInt(ARCHIVE_WARN, archive_read_next_header(a, &entry));
	assertEqualWString(badname, archive_entry_hardlink_w(entry));
	failure("If native locale can't convert, we should get UTF-8 back.");
	assertEqualString(badname_utf8, archive_entry_hardlink(entry));

	failure("A non-convertible symlink should cause a warning.");
	assertEqualInt(ARCHIVE_WARN, archive_read_next_header(a, &entry));
	assertEqualWString(badname, archive_entry_symlink_w(entry));
	assertEqualWString(NULL, archive_entry_hardlink_w(entry));
	failure("If native locale can't convert, we should get UTF-8 back.");
	assertEqualString(badname_utf8, archive_entry_symlink(entry));

	assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &entry));

	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
Example #11
0
static int
archive_write_v7tar_header(struct archive_write *a, struct archive_entry *entry)
{
	char buff[512];
	int ret, ret2;
	struct v7tar *v7tar;
	struct archive_entry *entry_main;
	struct archive_string_conv *sconv;

	v7tar = (struct v7tar *)a->format_data;

	/* Setup default string conversion. */
	if (v7tar->opt_sconv == NULL) {
		if (!v7tar->init_default_conversion) {
			v7tar->sconv_default =
			    archive_string_default_conversion_for_write(
				&(a->archive));
			v7tar->init_default_conversion = 1;
		}
		sconv = v7tar->sconv_default;
	} else
		sconv = v7tar->opt_sconv;

	/* Sanity check. */
	if (archive_entry_pathname(entry) == NULL) {
		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
		    "Can't record entry in tar file without pathname");
		return (ARCHIVE_FAILED);
	}

	/* Only regular files (not hardlinks) have data. */
	if (archive_entry_hardlink(entry) != NULL ||
	    archive_entry_symlink(entry) != NULL ||
	    !(archive_entry_filetype(entry) == AE_IFREG))
		archive_entry_set_size(entry, 0);

	if (AE_IFDIR == archive_entry_filetype(entry)) {
		const char *p;
		size_t path_length;
		/*
		 * Ensure a trailing '/'.  Modify the entry so
		 * the client sees the change.
		 */
#if defined(_WIN32) && !defined(__CYGWIN__)
		const wchar_t *wp;

		wp = archive_entry_pathname_w(entry);
		if (wp != NULL && wp[wcslen(wp) -1] != L'/') {
			struct archive_wstring ws;

			archive_string_init(&ws);
			path_length = wcslen(wp);
			if (archive_wstring_ensure(&ws,
			    path_length + 2) == NULL) {
				archive_set_error(&a->archive, ENOMEM,
				    "Can't allocate v7tar data");
				archive_wstring_free(&ws);
				return(ARCHIVE_FATAL);
			}
			/* Should we keep '\' ? */
			if (wp[path_length -1] == L'\\')
				path_length--;
			archive_wstrncpy(&ws, wp, path_length);
			archive_wstrappend_wchar(&ws, L'/');
			archive_entry_copy_pathname_w(entry, ws.s);
			archive_wstring_free(&ws);
			p = NULL;
		} else
#endif
			p = archive_entry_pathname(entry);
		/*
		 * On Windows, this is a backup operation just in
		 * case getting WCS failed. On POSIX, this is a
		 * normal operation.
		 */
		if (p != NULL && p[strlen(p) - 1] != '/') {
			struct archive_string as;

			archive_string_init(&as);
			path_length = strlen(p);
			if (archive_string_ensure(&as,
			    path_length + 2) == NULL) {
				archive_set_error(&a->archive, ENOMEM,
				    "Can't allocate v7tar data");
				archive_string_free(&as);
				return(ARCHIVE_FATAL);
			}
#if defined(_WIN32) && !defined(__CYGWIN__)
			/* NOTE: This might break the pathname
			 * if the current code page is CP932 and
			 * the pathname includes a character '\'
			 * as a part of its multibyte pathname. */
			if (p[strlen(p) -1] == '\\')
				path_length--;
			else
#endif
			archive_strncpy(&as, p, path_length);
			archive_strappend_char(&as, '/');
			archive_entry_copy_pathname(entry, as.s);
			archive_string_free(&as);
		}
	}

#if defined(_WIN32) && !defined(__CYGWIN__)
	/* Make sure the path separators in pahtname, hardlink and symlink
	 * are all slash '/', not the Windows path separator '\'. */
	entry_main = __la_win_entry_in_posix_pathseparator(entry);
	if (entry_main == NULL) {
		archive_set_error(&a->archive, ENOMEM,
		    "Can't allocate v7tar data");
		return(ARCHIVE_FATAL);
	}
	if (entry != entry_main)
		entry = entry_main;
	else
		entry_main = NULL;
#else
	entry_main = NULL;
#endif
	ret = format_header_v7tar(a, buff, entry, 1, sconv);
	if (ret < ARCHIVE_WARN) {
		if (entry_main)
			archive_entry_free(entry_main);
		return (ret);
	}
	ret2 = __archive_write_output(a, buff, 512);
	if (ret2 < ARCHIVE_WARN) {
		if (entry_main)
			archive_entry_free(entry_main);
		return (ret2);
	}
	if (ret2 < ret)
		ret = ret2;

	v7tar->entry_bytes_remaining = archive_entry_size(entry);
	v7tar->entry_padding = 0x1ff & (-(int64_t)v7tar->entry_bytes_remaining);
	if (entry_main)
		archive_entry_free(entry_main);
	return (ret);
}