192 lines
6.4 KiB
C
192 lines
6.4 KiB
C
/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.h"
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__FBSDID("$FreeBSD: src/lib/libarchive/test/test_ustar_filenames.c,v 1.2 2008/08/11 01:19:36 kientzle Exp $");
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/*
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* Exercise various lengths of filenames in ustar archives.
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*/
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static void
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test_filename(const char *prefix, int dlen, int flen)
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{
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char buff[8192];
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char filename[400];
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char dirname[400];
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struct archive_entry *ae;
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struct archive *a;
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size_t used;
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int separator = 0;
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int i = 0;
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if (prefix != NULL) {
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strcpy(filename, prefix);
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i = (int)strlen(prefix);
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}
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if (dlen > 0) {
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for (; i < dlen; i++)
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filename[i] = 'a';
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filename[i++] = '/';
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separator = 1;
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}
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for (; i < dlen + flen + separator; i++)
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filename[i] = 'b';
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filename[i++] = '\0';
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strcpy(dirname, filename);
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/* Create a new archive in memory. */
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assert((a = archive_write_new()) != NULL);
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assertA(0 == archive_write_set_format_ustar(a));
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assertA(0 == archive_write_set_compression_none(a));
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assertA(0 == archive_write_set_bytes_per_block(a,0));
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assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
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/*
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* Write a file to it.
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*/
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, filename);
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archive_entry_set_mode(ae, S_IFREG | 0755);
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failure("dlen=%d, flen=%d", dlen, flen);
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if (flen > 100) {
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assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae));
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} else {
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assertEqualIntA(a, 0, archive_write_header(a, ae));
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}
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archive_entry_free(ae);
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/*
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* Write a dir to it (without trailing '/').
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*/
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, dirname);
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archive_entry_set_mode(ae, S_IFDIR | 0755);
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failure("dlen=%d, flen=%d", dlen, flen);
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if (flen >= 100) {
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assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae));
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} else {
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assertEqualIntA(a, 0, archive_write_header(a, ae));
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}
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archive_entry_free(ae);
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/* Tar adds a '/' to directory names. */
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strcat(dirname, "/");
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/*
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* Write a dir to it (with trailing '/').
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*/
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, dirname);
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archive_entry_set_mode(ae, S_IFDIR | 0755);
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failure("dlen=%d, flen=%d", dlen, flen);
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if (flen >= 100) {
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assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae));
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} else {
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assertEqualIntA(a, 0, archive_write_header(a, ae));
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}
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archive_entry_free(ae);
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/* Close out the archive. */
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assertA(0 == archive_write_close(a));
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#if ARCHIVE_VERSION_NUMBER < 2000000
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archive_write_finish(a);
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#else
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assertEqualInt(0, archive_write_finish(a));
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#endif
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/*
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* Now, read the data back.
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*/
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff, used));
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if (flen <= 100) {
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/* Read the file and check the filename. */
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assertA(0 == archive_read_next_header(a, &ae));
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failure("dlen=%d, flen=%d", dlen, flen);
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assertEqualString(filename, archive_entry_pathname(ae));
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assertEqualInt((S_IFREG | 0755), archive_entry_mode(ae));
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}
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/*
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* Read the two dirs and check the names.
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*
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* Both dirs should read back with the same name, since
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* tar should add a trailing '/' to any dir that doesn't
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* already have one.
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*/
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if (flen <= 99) {
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assertA(0 == archive_read_next_header(a, &ae));
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assert((S_IFDIR | 0755) == archive_entry_mode(ae));
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failure("dlen=%d, flen=%d", dlen, flen);
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assertEqualString(dirname, archive_entry_pathname(ae));
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}
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if (flen <= 99) {
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assertA(0 == archive_read_next_header(a, &ae));
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assert((S_IFDIR | 0755) == archive_entry_mode(ae));
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assertEqualString(dirname, archive_entry_pathname(ae));
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}
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/* Verify the end of the archive. */
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failure("This fails if entries were written that should not have been written. dlen=%d, flen=%d", dlen, flen);
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assertEqualInt(1, archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_VERSION_NUMBER < 2000000
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archive_read_finish(a);
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#else
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assertEqualInt(0, archive_read_finish(a));
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#endif
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}
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DEFINE_TEST(test_ustar_filenames)
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{
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int dlen, flen;
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/* Try a bunch of different file/dir lengths that add up
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* to just a little less or a little more than 100 bytes.
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* This exercises the code that splits paths between ustar
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* filename and prefix fields.
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*/
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for (dlen = 5; dlen < 70; dlen += 5) {
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for (flen = 100 - dlen - 5; flen < 100 - dlen + 5; flen++) {
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test_filename(NULL, dlen, flen);
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test_filename("/", dlen, flen);
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}
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}
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/* Probe the 100-char limit for paths with no '/'. */
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for (flen = 90; flen < 110; flen++) {
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test_filename(NULL, 0, flen);
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test_filename("/", dlen, flen);
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}
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/* XXXX TODO Probe the 100-char limit with a dir prefix. */
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/* XXXX TODO Probe the 255-char total limit. */
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}
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