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