1228753Smm/*- 2228753Smm * Copyright (c) 2003-2007 Tim Kientzle 3228753Smm * All rights reserved. 4228753Smm * 5228753Smm * Redistribution and use in source and binary forms, with or without 6228753Smm * modification, are permitted provided that the following conditions 7228753Smm * are met: 8228753Smm * 1. Redistributions of source code must retain the above copyright 9228753Smm * notice, this list of conditions and the following disclaimer. 10228753Smm * 2. Redistributions in binary form must reproduce the above copyright 11228753Smm * notice, this list of conditions and the following disclaimer in the 12228753Smm * documentation and/or other materials provided with the distribution. 13228753Smm * 14228753Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15228753Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16228753Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17228753Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18228753Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19228753Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20228753Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21228753Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22228753Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23228753Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24228753Smm */ 25228753Smm#include "test.h" 26228763Smm__FBSDID("$FreeBSD$"); 27228753Smm 28228753Smm/* 29228753Smm * Background: There are two written standards for the tar file format. 30228753Smm * The first is the POSIX 1988 "ustar" format, the second is the 2001 31228753Smm * "pax extended" format that builds on the "ustar" format by adding 32228753Smm * support for generic additional attributes. Buried in the details 33228753Smm * is one frustrating incompatibility: The 1988 standard says that 34228753Smm * tar readers MUST ignore the size field on hardlink entries; the 35228753Smm * 2001 standard says that tar readers MUST obey the size field on 36228753Smm * hardlink entries. libarchive tries to navigate this particular 37228753Smm * minefield by using auto-detect logic to guess whether it should 38228753Smm * or should not obey the size field. 39228753Smm * 40228753Smm * This test tries to probe the boundaries of such handling; the test 41228753Smm * archives here were adapted from real archives created by real 42228753Smm * tar implementations that are (as of early 2008) apparently still 43228753Smm * in use. 44228753Smm */ 45228753Smm 46228753Smmstatic void 47228753Smmtest_compat_tar_hardlink_1(void) 48228753Smm{ 49228753Smm char name[] = "test_compat_tar_hardlink_1.tar"; 50228753Smm struct archive_entry *ae; 51228753Smm struct archive *a; 52228753Smm 53228753Smm assert((a = archive_read_new()) != NULL); 54232153Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); 55228753Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 56228753Smm extract_reference_file(name); 57228753Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240)); 58228753Smm 59228753Smm /* Read first entry, which is a regular file. */ 60228753Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae)); 61228753Smm assertEqualString("xmcd-3.3.2/docs_d/READMf", 62228753Smm archive_entry_pathname(ae)); 63228753Smm assertEqualString(NULL, archive_entry_hardlink(ae)); 64228753Smm assertEqualInt(321, archive_entry_size(ae)); 65228753Smm assertEqualInt(1082575645, archive_entry_mtime(ae)); 66228753Smm assertEqualInt(1851, archive_entry_uid(ae)); 67228753Smm assertEqualInt(3, archive_entry_gid(ae)); 68228753Smm assertEqualInt(0100444, archive_entry_mode(ae)); 69228753Smm 70228753Smm /* Read second entry, which is a hard link at the end of archive. */ 71228753Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae)); 72228753Smm assertEqualString("xmcd-3.3.2/README", 73228753Smm archive_entry_pathname(ae)); 74228753Smm assertEqualString( 75228753Smm "xmcd-3.3.2/docs_d/READMf", 76228753Smm archive_entry_hardlink(ae)); 77228753Smm assertEqualInt(0, archive_entry_size(ae)); 78228753Smm assertEqualInt(1082575645, archive_entry_mtime(ae)); 79228753Smm assertEqualInt(1851, archive_entry_uid(ae)); 80228753Smm assertEqualInt(3, archive_entry_gid(ae)); 81228753Smm assertEqualInt(0100444, archive_entry_mode(ae)); 82228753Smm 83228753Smm /* Verify the end-of-archive. */ 84228753Smm /* 85228753Smm * This failed in libarchive 2.4.12 because the tar reader 86228753Smm * tried to obey the size field for the hard link and ended 87228753Smm * up running past the end of the file. 88228753Smm */ 89228753Smm assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae)); 90228753Smm 91228753Smm /* Verify that the format detection worked. */ 92248616Smm assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_NONE); 93228753Smm assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR); 94228753Smm 95228753Smm assertEqualInt(ARCHIVE_OK, archive_read_close(a)); 96232153Smm assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 97228753Smm} 98228753Smm 99228753SmmDEFINE_TEST(test_compat_tar_hardlink) 100228753Smm{ 101228753Smm test_compat_tar_hardlink_1(); 102228753Smm} 103228753Smm 104228753Smm 105