1/*- 2 * Copyright (c) 2007-2010 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 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include "test.h" 28 29/* 30 * Check that we generate an error message when reading a truncated 31 * gzip, bzip2, compress, xz, lzma, or lzip file. 32 */ 33 34static void 35test_truncation(const char *compression, 36 int (*set_compression)(struct archive *), int can_prog) 37{ 38 struct archive_entry *ae; 39 struct archive* a; 40 char path[16]; 41 char *buff, *data; 42 size_t buffsize, datasize, used1; 43 int i, r, use_prog; 44 45 buffsize = 2000000; 46 assert(NULL != (buff = (char *)malloc(buffsize))); 47 if (buff == NULL) 48 return; 49 50 datasize = 10000; 51 assert(NULL != (data = (char *)malloc(datasize))); 52 if (data == NULL) { 53 free(buff); 54 return; 55 } 56 memset(data, 0, datasize); 57 58 /* 59 * Write a bunch of files with semi-random data. 60 */ 61 assert((a = archive_write_new()) != NULL); 62 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 63 assertEqualIntA(a, ARCHIVE_OK, 64 archive_write_add_filter_compress(a)); 65 r = (*set_compression)(a); 66 if (r != ARCHIVE_OK && !can_prog) { 67 skipping("%s writing not supported on this platform", 68 compression); 69 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 70 free(buff); 71 free(data); 72 return; 73 } 74 use_prog = (r == ARCHIVE_WARN && can_prog); 75 assertEqualIntA(a, ARCHIVE_OK, 76 archive_write_set_bytes_per_block(a, 10)); 77 assertEqualIntA(a, ARCHIVE_OK, 78 archive_write_open_memory(a, buff, buffsize, &used1)); 79 assert((ae = archive_entry_new()) != NULL); 80 archive_entry_set_filetype(ae, AE_IFREG); 81 archive_entry_set_size(ae, datasize); 82 for (i = 0; i < 100; i++) { 83 snprintf(path, sizeof(path), "%s%d", compression, i); 84 archive_entry_copy_pathname(ae, path); 85 failure("%s", path); 86 if (!assertEqualIntA(a, ARCHIVE_OK, 87 archive_write_header(a, ae))) { 88 archive_write_free(a); 89 free(data); 90 free(buff); 91 return; 92 } 93 fill_with_pseudorandom_data(data, datasize); 94 failure("%s", path); 95 if (!assertEqualIntA(a, datasize, 96 archive_write_data(a, data, datasize))) { 97 archive_write_free(a); 98 free(data); 99 free(buff); 100 return; 101 } 102 } 103 archive_entry_free(ae); 104 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 105 assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 106 107 assert((a = archive_read_new()) != NULL); 108 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 109 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); 110 111 r = archive_read_open_memory(a, buff, used1 - used1/64); 112 if (r != ARCHIVE_OK) { 113 assertEqualStringA(a, "truncated bzip2 input", 114 archive_error_string(a)); 115 goto out; 116 } 117 118 for (i = 0; i < 100; i++) { 119 if (ARCHIVE_OK != archive_read_next_header(a, &ae)) { 120 failure("Should have non-NULL error message for %s", 121 compression); 122 assert(NULL != archive_error_string(a)); 123 break; 124 } 125 snprintf(path, sizeof(path), "%s%d", compression, i); 126 assertEqualString(path, archive_entry_pathname(ae)); 127 if (datasize != (size_t)archive_read_data(a, data, datasize)) { 128 failure("Should have non-NULL error message for %s", 129 compression); 130 assert(NULL != archive_error_string(a)); 131 break; 132 } 133 } 134 assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, 135 archive_read_close(a)); 136 assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 137 138out: 139 free(data); 140 free(buff); 141} 142 143DEFINE_TEST(test_read_truncated_filter_bzip2) 144{ 145 test_truncation("bzip2", archive_write_add_filter_bzip2, canBzip2()); 146} 147 148DEFINE_TEST(test_read_truncated_filter_compress) 149{ 150 test_truncation("compress", archive_write_add_filter_compress, 0); 151} 152 153DEFINE_TEST(test_read_truncated_filter_gzip) 154{ 155 test_truncation("gzip", archive_write_add_filter_gzip, canGzip()); 156} 157 158DEFINE_TEST(test_read_truncated_filter_lzip) 159{ 160 test_truncation("lzip", archive_write_add_filter_lzip, canLzip()); 161} 162 163DEFINE_TEST(test_read_truncated_filter_lzma) 164{ 165 test_truncation("lzma", archive_write_add_filter_lzma, canLzma()); 166} 167 168DEFINE_TEST(test_read_truncated_filter_lzop) 169{ 170 test_truncation("lzop", archive_write_add_filter_lzop, canLzop()); 171} 172 173DEFINE_TEST(test_read_truncated_filter_xz) 174{ 175 test_truncation("xz", archive_write_add_filter_xz, canXz()); 176} 177