1248590Smm/*- 2248590Smm * Copyright (c) 2007 Tim Kientzle 3248590Smm * All rights reserved. 4248590Smm * 5248590Smm * Redistribution and use in source and binary forms, with or without 6248590Smm * modification, are permitted provided that the following conditions 7248590Smm * are met: 8248590Smm * 1. Redistributions of source code must retain the above copyright 9248590Smm * notice, this list of conditions and the following disclaimer 10248590Smm * in this position and unchanged. 11248590Smm * 2. Redistributions in binary form must reproduce the above copyright 12248590Smm * notice, this list of conditions and the following disclaimer in the 13248590Smm * documentation and/or other materials provided with the distribution. 14248590Smm * 15248590Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 16248590Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17248590Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18248590Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 19248590Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20248590Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21248590Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22248590Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23248590Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24248590Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25248590Smm */ 26248590Smm 27248590Smm#include "test.h" 28248590Smm__FBSDID("$FreeBSD: head/lib/libarchive/test/test_write_compress_gzip.c 191183 2009-04-17 01:06:31Z kientzle $"); 29248590Smm 30248590Smm/* 31248590Smm * A basic exercise of gzip reading and writing. 32248590Smm * 33248590Smm * TODO: Add a reference file and make sure we can decompress that. 34248590Smm */ 35248590Smm 36248590SmmDEFINE_TEST(test_write_filter_gzip) 37248590Smm{ 38248590Smm struct archive_entry *ae; 39248590Smm struct archive* a; 40248590Smm char *buff, *data; 41248590Smm size_t buffsize, datasize; 42337351Smm unsigned char *rbuff; 43248590Smm char path[16]; 44248590Smm size_t used1, used2; 45248590Smm int i, r, use_prog = 0; 46248590Smm 47248590Smm buffsize = 2000000; 48248590Smm assert(NULL != (buff = (char *)malloc(buffsize))); 49248590Smm if (buff == NULL) 50248590Smm return; 51248590Smm 52248590Smm datasize = 10000; 53248590Smm assert(NULL != (data = (char *)malloc(datasize))); 54248590Smm if (data == NULL) { 55248590Smm free(buff); 56248590Smm return; 57248590Smm } 58248590Smm memset(data, 0, datasize); 59248590Smm 60248590Smm /* 61248590Smm * Write a 100 files and read them all back. 62337351Smm * Use default compression level (6). 63248590Smm */ 64248590Smm assert((a = archive_write_new()) != NULL); 65248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 66248590Smm r = archive_write_add_filter_gzip(a); 67248590Smm if (r != ARCHIVE_OK) { 68248590Smm if (canGzip() && r == ARCHIVE_WARN) 69248590Smm use_prog = 1; 70248590Smm else { 71248590Smm skipping("gzip writing not supported on this platform"); 72248590Smm assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 73248590Smm free(buff); 74248590Smm free(data); 75248590Smm return; 76248590Smm } 77248590Smm } 78248590Smm assertEqualIntA(a, ARCHIVE_OK, 79248590Smm archive_write_set_bytes_per_block(a, 10)); 80248590Smm assertEqualInt(ARCHIVE_FILTER_GZIP, archive_filter_code(a, 0)); 81248590Smm assertEqualString("gzip", archive_filter_name(a, 0)); 82248590Smm assertEqualIntA(a, ARCHIVE_OK, 83248590Smm archive_write_open_memory(a, buff, buffsize, &used1)); 84248590Smm assert((ae = archive_entry_new()) != NULL); 85248590Smm archive_entry_set_filetype(ae, AE_IFREG); 86248590Smm archive_entry_set_size(ae, datasize); 87248590Smm for (i = 0; i < 100; i++) { 88248590Smm sprintf(path, "file%03d", i); 89248590Smm archive_entry_copy_pathname(ae, path); 90248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 91248590Smm assertA(datasize 92248590Smm == (size_t)archive_write_data(a, data, datasize)); 93248590Smm } 94248590Smm archive_entry_free(ae); 95248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 96248590Smm assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 97248590Smm 98337351Smm /* Basic gzip header tests */ 99337351Smm rbuff = (unsigned char *)buff; 100337351Smm assertEqualInt(rbuff[0], 0x1f); 101337351Smm assertEqualInt(rbuff[1], 0x8b); 102337351Smm assertEqualInt(rbuff[2], 0x08); 103337351Smm assertEqualInt(rbuff[3], 0x00); 104337351Smm assertEqualInt(rbuff[8], 0); /* RFC 1952 flag for compression level 6 */ 105337351Smm 106248590Smm assert((a = archive_read_new()) != NULL); 107248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 108248590Smm r = archive_read_support_filter_gzip(a); 109248590Smm if (r == ARCHIVE_WARN) { 110248590Smm skipping("Can't verify gzip writing by reading back;" 111248590Smm " gzip reading not fully supported on this platform"); 112248590Smm } else { 113248590Smm assertEqualIntA(a, ARCHIVE_OK, 114248590Smm archive_read_open_memory(a, buff, used1)); 115248590Smm for (i = 0; i < 100; i++) { 116248590Smm sprintf(path, "file%03d", i); 117248590Smm if (!assertEqualInt(ARCHIVE_OK, 118248590Smm archive_read_next_header(a, &ae))) 119248590Smm break; 120248590Smm assertEqualString(path, archive_entry_pathname(ae)); 121248590Smm assertEqualInt((int)datasize, archive_entry_size(ae)); 122248590Smm } 123248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 124248590Smm } 125248590Smm assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 126248590Smm 127248590Smm /* 128248590Smm * Repeat the cycle again, this time setting some compression 129337351Smm * options. Compression level is 9. 130248590Smm */ 131248590Smm assert((a = archive_write_new()) != NULL); 132248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 133248590Smm assertEqualIntA(a, ARCHIVE_OK, 134248590Smm archive_write_set_bytes_per_block(a, 10)); 135248590Smm assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, 136248590Smm archive_write_add_filter_gzip(a)); 137248590Smm assertEqualIntA(a, ARCHIVE_FAILED, 138248590Smm archive_write_set_options(a, "gzip:nonexistent-option=0")); 139248590Smm assertEqualIntA(a, ARCHIVE_OK, 140248590Smm archive_write_set_options(a, "gzip:compression-level=1")); 141248590Smm assertEqualIntA(a, ARCHIVE_OK, 142248590Smm archive_write_set_filter_option(a, NULL, "compression-level", "9")); 143248590Smm assertEqualIntA(a, ARCHIVE_FAILED, 144248590Smm archive_write_set_filter_option(a, NULL, "compression-level", "abc")); 145248590Smm assertEqualIntA(a, ARCHIVE_FAILED, 146248590Smm archive_write_set_filter_option(a, NULL, "compression-level", "99")); 147248590Smm assertEqualIntA(a, ARCHIVE_OK, 148248590Smm archive_write_set_options(a, "gzip:compression-level=9")); 149248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2)); 150248590Smm for (i = 0; i < 100; i++) { 151248590Smm sprintf(path, "file%03d", i); 152248590Smm assert((ae = archive_entry_new()) != NULL); 153248590Smm archive_entry_copy_pathname(ae, path); 154248590Smm archive_entry_set_size(ae, datasize); 155248590Smm archive_entry_set_filetype(ae, AE_IFREG); 156248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 157248590Smm assertA(datasize == (size_t)archive_write_data(a, data, datasize)); 158248590Smm archive_entry_free(ae); 159248590Smm } 160248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 161248590Smm assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 162248590Smm 163337351Smm /* Basic gzip header tests */ 164337351Smm rbuff = (unsigned char *)buff; 165337351Smm assertEqualInt(rbuff[0], 0x1f); 166337351Smm assertEqualInt(rbuff[1], 0x8b); 167337351Smm assertEqualInt(rbuff[2], 0x08); 168337351Smm assertEqualInt(rbuff[3], 0x00); 169337351Smm assertEqualInt(rbuff[8], 2); /* RFC 1952 flag for compression level 9 */ 170337351Smm 171248590Smm /* Curiously, this test fails; the test data above compresses 172248590Smm * better at default compression than at level 9. */ 173248590Smm /* 174248590Smm failure("compression-level=9 wrote %d bytes, default wrote %d bytes", 175248590Smm (int)used2, (int)used1); 176248590Smm assert(used2 < used1); 177248590Smm */ 178248590Smm 179248590Smm assert((a = archive_read_new()) != NULL); 180248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 181248590Smm r = archive_read_support_filter_gzip(a); 182248590Smm if (r != ARCHIVE_OK && !use_prog) { 183248590Smm skipping("gzip reading not fully supported on this platform"); 184248590Smm } else { 185248590Smm assertEqualIntA(a, ARCHIVE_OK, 186248590Smm archive_read_support_filter_all(a)); 187248590Smm assertEqualIntA(a, ARCHIVE_OK, 188248590Smm archive_read_open_memory(a, buff, used2)); 189248590Smm for (i = 0; i < 100; i++) { 190248590Smm sprintf(path, "file%03d", i); 191248590Smm if (!assertEqualInt(ARCHIVE_OK, 192248590Smm archive_read_next_header(a, &ae))) 193248590Smm break; 194248590Smm assertEqualString(path, archive_entry_pathname(ae)); 195248590Smm assertEqualInt((int)datasize, archive_entry_size(ae)); 196248590Smm } 197248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 198248590Smm } 199248590Smm assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 200248590Smm 201248590Smm /* 202337351Smm * Repeat again, with compression level 1 203248590Smm */ 204248590Smm assert((a = archive_write_new()) != NULL); 205248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 206248590Smm assertEqualIntA(a, ARCHIVE_OK, 207248590Smm archive_write_set_bytes_per_block(a, 10)); 208248590Smm assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, 209248590Smm archive_write_add_filter_gzip(a)); 210248590Smm assertEqualIntA(a, ARCHIVE_OK, 211248590Smm archive_write_set_filter_option(a, NULL, "compression-level", "1")); 212248590Smm assertEqualIntA(a, ARCHIVE_OK, 213248590Smm archive_write_open_memory(a, buff, buffsize, &used2)); 214248590Smm for (i = 0; i < 100; i++) { 215248590Smm sprintf(path, "file%03d", i); 216248590Smm assert((ae = archive_entry_new()) != NULL); 217248590Smm archive_entry_copy_pathname(ae, path); 218248590Smm archive_entry_set_size(ae, datasize); 219248590Smm archive_entry_set_filetype(ae, AE_IFREG); 220248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae)); 221248590Smm failure("Writing file %s", path); 222248590Smm assertEqualIntA(a, datasize, 223248590Smm (size_t)archive_write_data(a, data, datasize)); 224248590Smm archive_entry_free(ae); 225248590Smm } 226248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a)); 227248590Smm assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 228248590Smm 229248590Smm /* Level 1 really does result in larger data. */ 230248590Smm failure("Compression-level=1 wrote %d bytes; default wrote %d bytes", 231248590Smm (int)used2, (int)used1); 232248590Smm assert(used2 > used1); 233248590Smm 234337351Smm /* Basic gzip header tests */ 235337351Smm rbuff = (unsigned char *)buff; 236337351Smm assertEqualInt(rbuff[0], 0x1f); 237337351Smm assertEqualInt(rbuff[1], 0x8b); 238337351Smm assertEqualInt(rbuff[2], 0x08); 239337351Smm assertEqualInt(rbuff[3], 0x00); 240337351Smm assertEqualInt(rbuff[8], 4); /* RFC 1952 flag for compression level 1 */ 241337351Smm 242248590Smm assert((a = archive_read_new()) != NULL); 243248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a)); 244248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a)); 245248590Smm r = archive_read_support_filter_gzip(a); 246248590Smm if (r == ARCHIVE_WARN) { 247248590Smm skipping("gzip reading not fully supported on this platform"); 248248590Smm } else { 249248590Smm assertEqualIntA(a, ARCHIVE_OK, 250248590Smm archive_read_open_memory(a, buff, used2)); 251248590Smm for (i = 0; i < 100; i++) { 252248590Smm sprintf(path, "file%03d", i); 253248590Smm if (!assertEqualInt(ARCHIVE_OK, 254248590Smm archive_read_next_header(a, &ae))) 255248590Smm break; 256248590Smm assertEqualString(path, archive_entry_pathname(ae)); 257248590Smm assertEqualInt((int)datasize, archive_entry_size(ae)); 258248590Smm } 259248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a)); 260248590Smm } 261248590Smm assertEqualInt(ARCHIVE_OK, archive_read_free(a)); 262248590Smm 263248590Smm /* 264248590Smm * Test various premature shutdown scenarios to make sure we 265248590Smm * don't crash or leak memory. 266248590Smm */ 267248590Smm assert((a = archive_write_new()) != NULL); 268248590Smm assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, 269248590Smm archive_write_add_filter_gzip(a)); 270248590Smm assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 271248590Smm 272248590Smm assert((a = archive_write_new()) != NULL); 273248590Smm assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, 274248590Smm archive_write_add_filter_gzip(a)); 275248590Smm assertEqualInt(ARCHIVE_OK, archive_write_close(a)); 276248590Smm assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 277248590Smm 278248590Smm assert((a = archive_write_new()) != NULL); 279248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 280248590Smm assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, 281248590Smm archive_write_add_filter_gzip(a)); 282248590Smm assertEqualInt(ARCHIVE_OK, archive_write_close(a)); 283248590Smm assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 284248590Smm 285248590Smm assert((a = archive_write_new()) != NULL); 286248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a)); 287248590Smm assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK, 288248590Smm archive_write_add_filter_gzip(a)); 289248590Smm assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2)); 290248590Smm assertEqualInt(ARCHIVE_OK, archive_write_close(a)); 291248590Smm assertEqualInt(ARCHIVE_OK, archive_write_free(a)); 292248590Smm 293248590Smm /* 294248590Smm * Clean up. 295248590Smm */ 296248590Smm free(data); 297248590Smm free(buff); 298248590Smm} 299