1/*- 2 * Copyright (c) 2003-2007 Tim Kientzle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25#include "test.h" 26__FBSDID("$FreeBSD: head/lib/libarchive/test/test_ustar_filenames.c 189308 2009-03-03 17:02:51Z kientzle $"); 27 28/* 29 * Exercise various lengths of filenames in ustar archives. 30 */ 31 32static void 33test_filename(const char *prefix, int dlen, int flen) 34{ 35 char buff[8192]; 36 char filename[400]; 37 char dirname[400]; 38 struct archive_entry *ae; 39 struct archive *a; 40 size_t used; 41 int separator = 0; 42 int i = 0; 43 44 if (prefix != NULL) { 45 strcpy(filename, prefix); 46 i = (int)strlen(prefix); 47 } 48 if (dlen > 0) { 49 for (; i < dlen; i++) 50 filename[i] = 'a'; 51 filename[i++] = '/'; 52 separator = 1; 53 } 54 for (; i < dlen + flen + separator; i++) 55 filename[i] = 'b'; 56 filename[i] = '\0'; 57 58 strcpy(dirname, filename); 59 60 /* Create a new archive in memory. */ 61 assert((a = archive_write_new()) != NULL); 62 assertA(0 == archive_write_set_format_ustar(a)); 63 assertA(0 == archive_write_set_compression_none(a)); 64 assertA(0 == archive_write_set_bytes_per_block(a,0)); 65 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used)); 66 67 /* 68 * Write a file to it. 69 */ 70 assert((ae = archive_entry_new()) != NULL); 71 archive_entry_copy_pathname(ae, filename); 72 archive_entry_set_mode(ae, S_IFREG | 0755); 73 failure("dlen=%d, flen=%d", dlen, flen); 74 if (flen > 100) { 75 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae)); 76 } else { 77 assertEqualIntA(a, 0, archive_write_header(a, ae)); 78 } 79 archive_entry_free(ae); 80 81 /* 82 * Write a dir to it (without trailing '/'). 83 */ 84 assert((ae = archive_entry_new()) != NULL); 85 archive_entry_copy_pathname(ae, dirname); 86 archive_entry_set_mode(ae, S_IFDIR | 0755); 87 failure("dlen=%d, flen=%d", dlen, flen); 88 if (flen >= 100) { 89 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae)); 90 } else { 91 assertEqualIntA(a, 0, archive_write_header(a, ae)); 92 } 93 archive_entry_free(ae); 94 95 /* Tar adds a '/' to directory names. */ 96 strcat(dirname, "/"); 97 98 /* 99 * Write a dir to it (with trailing '/'). 100 */ 101 assert((ae = archive_entry_new()) != NULL); 102 archive_entry_copy_pathname(ae, dirname); 103 archive_entry_set_mode(ae, S_IFDIR | 0755); 104 failure("dlen=%d, flen=%d", dlen, flen); 105 if (flen >= 100) { 106 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae)); 107 } else { 108 assertEqualIntA(a, 0, archive_write_header(a, ae)); 109 } 110 archive_entry_free(ae); 111 112 /* Close out the archive. */ 113 assertA(0 == archive_write_close(a)); 114#if ARCHIVE_VERSION_NUMBER < 2000000 115 archive_write_finish(a); 116#else 117 assertEqualInt(0, archive_write_finish(a)); 118#endif 119 120 /* 121 * Now, read the data back. 122 */ 123 assert((a = archive_read_new()) != NULL); 124 assertA(0 == archive_read_support_format_all(a)); 125 assertA(0 == archive_read_support_compression_all(a)); 126 assertA(0 == archive_read_open_memory(a, buff, used)); 127 128 if (flen <= 100) { 129 /* Read the file and check the filename. */ 130 assertA(0 == archive_read_next_header(a, &ae)); 131 failure("dlen=%d, flen=%d", dlen, flen); 132 assertEqualString(filename, archive_entry_pathname(ae)); 133 assertEqualInt((S_IFREG | 0755), archive_entry_mode(ae)); 134 } 135 136 /* 137 * Read the two dirs and check the names. 138 * 139 * Both dirs should read back with the same name, since 140 * tar should add a trailing '/' to any dir that doesn't 141 * already have one. 142 */ 143 if (flen <= 99) { 144 assertA(0 == archive_read_next_header(a, &ae)); 145 assert((S_IFDIR | 0755) == archive_entry_mode(ae)); 146 failure("dlen=%d, flen=%d", dlen, flen); 147 assertEqualString(dirname, archive_entry_pathname(ae)); 148 } 149 150 if (flen <= 99) { 151 assertA(0 == archive_read_next_header(a, &ae)); 152 assert((S_IFDIR | 0755) == archive_entry_mode(ae)); 153 assertEqualString(dirname, archive_entry_pathname(ae)); 154 } 155 156 /* Verify the end of the archive. */ 157 failure("This fails if entries were written that should not have been written. dlen=%d, flen=%d", dlen, flen); 158 assertEqualInt(1, archive_read_next_header(a, &ae)); 159 assert(0 == archive_read_close(a)); 160#if ARCHIVE_VERSION_NUMBER < 2000000 161 archive_read_finish(a); 162#else 163 assertEqualInt(0, archive_read_finish(a)); 164#endif 165} 166 167DEFINE_TEST(test_ustar_filenames) 168{ 169 int dlen, flen; 170 171 /* Try a bunch of different file/dir lengths that add up 172 * to just a little less or a little more than 100 bytes. 173 * This exercises the code that splits paths between ustar 174 * filename and prefix fields. 175 */ 176 for (dlen = 5; dlen < 70; dlen += 5) { 177 for (flen = 100 - dlen - 5; flen < 100 - dlen + 5; flen++) { 178 test_filename(NULL, dlen, flen); 179 test_filename("/", dlen, flen); 180 } 181 } 182 183 /* Probe the 100-char limit for paths with no '/'. */ 184 for (flen = 90; flen < 110; flen++) { 185 test_filename(NULL, 0, flen); 186 test_filename("/", dlen, flen); 187 } 188 189 /* XXXX TODO Probe the 100-char limit with a dir prefix. */ 190 /* XXXX TODO Probe the 255-char total limit. */ 191} 192