contrib/libarchive/libarchive/test/test_write_filter_lzip.c

   1 /*-
   2  * Copyright (c) 2010 Michihiro NAKAJIMA
   3  * Copyright (c) 2007-2009 Tim Kientzle
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer
  11  *    in this position and unchanged.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include "test.h"
  29 __FBSDID("$FreeBSD$");
  30
  31 /*
  32  * A basic exercise of lzip reading and writing.
  33  *
  34  */
  35
  36 DEFINE_TEST(test_write_filter_lzip)
  37 {
  38         struct archive_entry *ae;
  39         struct archive* a;
  40         char *buff, *data;
  41         size_t buffsize, datasize;
  42         char path[16];
  43         size_t used1, used2;
  44         int i, r;
  45
  46         buffsize = 2000000;
  47         assert(NULL != (buff = (char *)malloc(buffsize)));
  48         if (buff == NULL)
  49                 return;
  50
  51         datasize = 10000;
  52         assert(NULL != (data = (char *)malloc(datasize)));
  53         if (data == NULL) {
  54                 free(buff);
  55                 return;
  56         }
  57         memset(data, 0, datasize);
  58
  59         /*
  60          * Write a 100 files and read them all back.
  61          */
  62         assert((a = archive_write_new()) != NULL);
  63         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
  64         r = archive_write_add_filter_lzip(a);
  65         if (r == ARCHIVE_FATAL) {
  66                 skipping("lzip writing not supported on this platform");
  67                 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
  68                 free(buff);
  69                 free(data);
  70                 return;
  71         }
  72         assertEqualIntA(a, ARCHIVE_OK,
  73             archive_write_set_bytes_per_block(a, 10));
  74         assertEqualInt(ARCHIVE_FILTER_LZIP, archive_filter_code(a, 0));
  75         assertEqualString("lzip", archive_filter_name(a, 0));
  76         assertEqualIntA(a, ARCHIVE_OK,
  77             archive_write_open_memory(a, buff, buffsize, &used1));
  78         assertEqualInt(ARCHIVE_FILTER_LZIP, archive_filter_code(a, 0));
  79         assertEqualString("lzip", archive_filter_name(a, 0));
  80         assert((ae = archive_entry_new()) != NULL);
  81         archive_entry_set_filetype(ae, AE_IFREG);
  82         archive_entry_set_size(ae, datasize);
  83         for (i = 0; i < 100; i++) {
  84                 sprintf(path, "file%03d", i);
  85                 archive_entry_copy_pathname(ae, path);
  86                 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
  87                 assertA(datasize
  88                     == (size_t)archive_write_data(a, data, datasize));
  89         }
  90         archive_entry_free(ae);
  91         assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
  92         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
  93
  94         assert((a = archive_read_new()) != NULL);
  95         assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
  96         r = archive_read_support_filter_lzip(a);
  97         if (r == ARCHIVE_WARN) {
  98                 skipping("Can't verify lzip writing by reading back;"
  99                     " lzip reading not fully supported on this platform");
 100         } else {
 101                 assertEqualIntA(a, ARCHIVE_OK,
 102                     archive_read_support_filter_all(a));
 103                 assertEqualIntA(a, ARCHIVE_OK,
 104                     archive_read_open_memory(a, buff, used1));
 105                 for (i = 0; i < 100; i++) {
 106                         sprintf(path, "file%03d", i);
 107                         if (!assertEqualInt(ARCHIVE_OK,
 108                                 archive_read_next_header(a, &ae)))
 109                                 break;
 110                         assertEqualString(path, archive_entry_pathname(ae));
 111                         assertEqualInt((int)datasize, archive_entry_size(ae));
 112                 }
 113                 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 114         }
 115         assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 116
 117         /*
 118          * Repeat the cycle again, this time setting some compression
 119          * options.
 120          */
 121         assert((a = archive_write_new()) != NULL);
 122         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
 123         assertEqualIntA(a, ARCHIVE_OK,
 124             archive_write_set_bytes_per_block(a, 10));
 125         assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzip(a));
 126         assertEqualIntA(a, ARCHIVE_FAILED,
 127             archive_write_set_filter_option(a, NULL, "nonexistent-option", "0"));
 128         assertEqualIntA(a, ARCHIVE_FAILED,
 129             archive_write_set_filter_option(a, NULL, "compression-level", "abc"));
 130         assertEqualIntA(a, ARCHIVE_FAILED,
 131             archive_write_set_filter_option(a, NULL, "compression-level", "99"));
 132         assertEqualIntA(a, ARCHIVE_OK,
 133             archive_write_set_filter_option(a, NULL, "compression-level", "9"));
 134         assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2));
 135         for (i = 0; i < 100; i++) {
 136                 sprintf(path, "file%03d", i);
 137                 assert((ae = archive_entry_new()) != NULL);
 138                 archive_entry_copy_pathname(ae, path);
 139                 archive_entry_set_size(ae, datasize);
 140                 archive_entry_set_filetype(ae, AE_IFREG);
 141                 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
 142                 assertA(datasize == (size_t)archive_write_data(a, data, datasize));
 143                 archive_entry_free(ae);
 144         }
 145         assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
 146         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 147
 148
 149         assert((a = archive_read_new()) != NULL);
 150         assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
 151         r = archive_read_support_filter_lzip(a);
 152         if (r == ARCHIVE_WARN) {
 153                 skipping("lzip reading not fully supported on this platform");
 154         } else {
 155                 assertEqualIntA(a, ARCHIVE_OK,
 156                     archive_read_support_filter_all(a));
 157                 assertEqualIntA(a, ARCHIVE_OK,
 158                     archive_read_open_memory(a, buff, used2));
 159                 for (i = 0; i < 100; i++) {
 160                         sprintf(path, "file%03d", i);
 161                         failure("Trying to read %s", path);
 162                         if (!assertEqualIntA(a, ARCHIVE_OK,
 163                                 archive_read_next_header(a, &ae)))
 164                                 break;
 165                         assertEqualString(path, archive_entry_pathname(ae));
 166                         assertEqualInt((int)datasize, archive_entry_size(ae));
 167                 }
 168                 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 169         }
 170         assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 171
 172         /*
 173          * Repeat again, with much lower compression.
 174          */
 175         assert((a = archive_write_new()) != NULL);
 176         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
 177         assertEqualIntA(a, ARCHIVE_OK,
 178             archive_write_set_bytes_per_block(a, 10));
 179         assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzip(a));
 180         assertEqualIntA(a, ARCHIVE_OK,
 181             archive_write_set_filter_option(a, NULL, "compression-level", "0"));
 182         assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2));
 183         for (i = 0; i < 100; i++) {
 184                 sprintf(path, "file%03d", i);
 185                 assert((ae = archive_entry_new()) != NULL);
 186                 archive_entry_copy_pathname(ae, path);
 187                 archive_entry_set_size(ae, datasize);
 188                 archive_entry_set_filetype(ae, AE_IFREG);
 189                 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
 190                 failure("Writing file %s", path);
 191                 assertEqualIntA(a, datasize,
 192                     (size_t)archive_write_data(a, data, datasize));
 193                 archive_entry_free(ae);
 194         }
 195         assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
 196         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 197
 198         /* Level 0 really does result in larger data. */
 199         failure("Compression-level=0 wrote %d bytes; default wrote %d bytes",
 200             (int)used2, (int)used1);
 201         assert(used2 > used1);
 202
 203         assert((a = archive_read_new()) != NULL);
 204         assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
 205         assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
 206         r = archive_read_support_filter_lzip(a);
 207         if (r == ARCHIVE_WARN) {
 208                 skipping("lzip reading not fully supported on this platform");
 209         } else {
 210                 assertEqualIntA(a, ARCHIVE_OK,
 211                     archive_read_open_memory(a, buff, used2));
 212                 for (i = 0; i < 100; i++) {
 213                         sprintf(path, "file%03d", i);
 214                         if (!assertEqualInt(ARCHIVE_OK,
 215                                 archive_read_next_header(a, &ae)))
 216                                 break;
 217                         assertEqualString(path, archive_entry_pathname(ae));
 218                         assertEqualInt((int)datasize, archive_entry_size(ae));
 219                 }
 220                 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 221         }
 222         assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 223
 224         /*
 225          * Test various premature shutdown scenarios to make sure we
 226          * don't crash or leak memory.
 227          */
 228         assert((a = archive_write_new()) != NULL);
 229         assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzip(a));
 230         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 231
 232         assert((a = archive_write_new()) != NULL);
 233         assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzip(a));
 234         assertEqualInt(ARCHIVE_OK, archive_write_close(a));
 235         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 236
 237         assert((a = archive_write_new()) != NULL);
 238         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
 239         assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzip(a));
 240         assertEqualInt(ARCHIVE_OK, archive_write_close(a));
 241         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 242
 243         assert((a = archive_write_new()) != NULL);
 244         assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
 245         assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_lzip(a));
 246         assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2));
 247         assertEqualInt(ARCHIVE_OK, archive_write_close(a));
 248         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 249
 250         /*
 251          * Clean up.
 252          */
 253         free(data);
 254         free(buff);
 255 }