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("$FreeBSD$"); 27 28 /* 29 * Exercise various lengths of filenames in tar archives, 30 * especially around the magic sizes where ustar breaks 31 * filenames into prefix/suffix. 32 */ 33 34 static void 35 test_filename(const char *prefix, int dlen, int flen) 36 { 37 char buff[8192]; 38 char filename[400]; 39 char dirname[400]; 40 struct archive_entry *ae; 41 struct archive *a; 42 size_t used; 43 char *p; 44 int i; 45 46 p = filename; 47 if (prefix) { 48 strcpy(filename, prefix); 49 p += strlen(p); 50 } 51 if (dlen > 0) { 52 for (i = 0; i < dlen; i++) 53 *p++ = 'a'; 54 *p++ = '/'; 55 } 56 for (i = 0; i < flen; i++) 57 *p++ = 'b'; 58 *p = '\0'; 59 60 strcpy(dirname, filename); 61 62 /* Create a new archive in memory. */ 63 assert((a = archive_write_new()) != NULL); 64 assertA(0 == archive_write_set_format_pax_restricted(a)); 65 assertA(0 == archive_write_add_filter_none(a)); 66 assertA(0 == archive_write_set_bytes_per_block(a,0)); 67 assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used)); 68 69 /* 70 * Write a file to it. 71 */ 72 assert((ae = archive_entry_new()) != NULL); 73 archive_entry_copy_pathname(ae, filename); 74 archive_entry_set_mode(ae, S_IFREG | 0755); 75 failure("Pathname %d/%d", dlen, flen); 76 assertA(0 == archive_write_header(a, ae)); 77 archive_entry_free(ae); 78 79 /* 80 * Write a dir to it (without trailing '/'). 81 */ 82 assert((ae = archive_entry_new()) != NULL); 83 archive_entry_copy_pathname(ae, dirname); 84 archive_entry_set_mode(ae, S_IFDIR | 0755); 85 failure("Dirname %d/%d", dlen, flen); 86 assertA(0 == archive_write_header(a, ae)); 87 archive_entry_free(ae); 88 89 /* Tar adds a '/' to directory names. */ 90 strcat(dirname, "/"); 91 92 /* 93 * Write a dir to it (with trailing '/'). 94 */ 95 assert((ae = archive_entry_new()) != NULL); 96 archive_entry_copy_pathname(ae, dirname); 97 archive_entry_set_mode(ae, S_IFDIR | 0755); 98 failure("Dirname %d/%d", dlen, flen); 99 assertA(0 == archive_write_header(a, ae)); 100 archive_entry_free(ae); 101 102 /* Close out the archive. */ 103 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 104 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 105 106 /* 107 * Now, read the data back. 108 */ 109 assert((a = archive_read_new()) != NULL); 110 assertA(0 == archive_read_support_format_all(a)); 111 assertA(0 == archive_read_support_filter_all(a)); 112 assertA(0 == archive_read_open_memory(a, buff, used)); 113 114 /* Read the file and check the filename. */ 115 assertA(0 == archive_read_next_header(a, &ae)); 116 assertEqualString(filename, archive_entry_pathname(ae)); 117 assertEqualInt((S_IFREG | 0755), archive_entry_mode(ae)); 118 119 /* 120 * Read the two dirs and check the names. 121 * 122 * Both dirs should read back with the same name, since 123 * tar should add a trailing '/' to any dir that doesn't 124 * already have one. We only report the first such failure 125 * here. 126 */ 127 assertA(0 == archive_read_next_header(a, &ae)); 128 assertEqualString(dirname, archive_entry_pathname(ae)); 129 assert((S_IFDIR | 0755) == archive_entry_mode(ae)); 130 131 assertA(0 == archive_read_next_header(a, &ae)); 132 assertEqualString(dirname, archive_entry_pathname(ae)); 133 assert((S_IFDIR | 0755) == archive_entry_mode(ae)); 134 135 /* Verify the end of the archive. */ 136 assert(1 == archive_read_next_header(a, &ae)); 137 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 138 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 139 } 140 141 DEFINE_TEST(test_tar_filenames) 142 { 143 int dlen, flen; 144 145 /* Repeat the following for a variety of dir/file lengths. */ 146 for (dlen = 45; dlen < 55; dlen++) { 147 for (flen = 45; flen < 55; flen++) { 148 test_filename(NULL, dlen, flen); 149 test_filename("/", dlen, flen); 150 } 151 } 152 153 for (dlen = 0; dlen < 140; dlen += 10) { 154 for (flen = 98; flen < 102; flen++) { 155 test_filename(NULL, dlen, flen); 156 test_filename("/", dlen, flen); 157 } 158 } 159 160 for (dlen = 140; dlen < 160; dlen++) { 161 for (flen = 95; flen < 105; flen++) { 162 test_filename(NULL, dlen, flen); 163 test_filename("/", dlen, flen); 164 } 165 } 166 } 167