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| Current File : //usr/src/contrib/libarchive/libarchive/test/test_read_format_gtar_sparse.c |
/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "test.h"
__FBSDID("$FreeBSD: release/9.1.0/contrib/libarchive/libarchive/test/test_read_format_gtar_sparse.c 229592 2012-01-05 12:06:54Z mm $");
struct contents {
off_t o;
size_t s;
const char *d;
};
struct contents archive_contents_sparse[] = {
{ 1000000, 1, "a" },
{ 2000000, 1, "a" },
{ 3145728, 0, NULL }
};
struct contents archive_contents_sparse2[] = {
{ 1000000, 1, "a" },
{ 2000000, 1, "a" },
{ 3000000, 1, "a" },
{ 4000000, 1, "a" },
{ 5000000, 1, "a" },
{ 6000000, 1, "a" },
{ 7000000, 1, "a" },
{ 8000000, 1, "a" },
{ 9000000, 1, "a" },
{ 10000000, 1, "a" },
{ 11000000, 1, "a" },
{ 12000000, 1, "a" },
{ 13000000, 1, "a" },
{ 14000000, 1, "a" },
{ 15000000, 1, "a" },
{ 16000000, 1, "a" },
{ 17000000, 1, "a" },
{ 18000000, 1, "a" },
{ 19000000, 1, "a" },
{ 20000000, 1, "a" },
{ 21000000, 1, "a" },
{ 22000000, 1, "a" },
{ 23000000, 1, "a" },
{ 24000000, 1, "a" },
{ 25000000, 1, "a" },
{ 26000000, 1, "a" },
{ 27000000, 1, "a" },
{ 28000000, 1, "a" },
{ 29000000, 1, "a" },
{ 30000000, 1, "a" },
{ 31000000, 1, "a" },
{ 32000000, 1, "a" },
{ 33000000, 1, "a" },
{ 34000000, 1, "a" },
{ 35000000, 1, "a" },
{ 36000000, 1, "a" },
{ 37000000, 1, "a" },
{ 38000000, 1, "a" },
{ 39000000, 1, "a" },
{ 40000000, 1, "a" },
{ 41000000, 1, "a" },
{ 42000000, 1, "a" },
{ 43000000, 1, "a" },
{ 44000000, 1, "a" },
{ 45000000, 1, "a" },
{ 46000000, 1, "a" },
{ 47000000, 1, "a" },
{ 48000000, 1, "a" },
{ 49000000, 1, "a" },
{ 50000000, 1, "a" },
{ 51000000, 1, "a" },
{ 52000000, 1, "a" },
{ 53000000, 1, "a" },
{ 54000000, 1, "a" },
{ 55000000, 1, "a" },
{ 56000000, 1, "a" },
{ 57000000, 1, "a" },
{ 58000000, 1, "a" },
{ 59000000, 1, "a" },
{ 60000000, 1, "a" },
{ 61000000, 1, "a" },
{ 62000000, 1, "a" },
{ 63000000, 1, "a" },
{ 64000000, 1, "a" },
{ 65000000, 1, "a" },
{ 66000000, 1, "a" },
{ 67000000, 1, "a" },
{ 68000000, 1, "a" },
{ 69000000, 1, "a" },
{ 70000000, 1, "a" },
{ 71000000, 1, "a" },
{ 72000000, 1, "a" },
{ 73000000, 1, "a" },
{ 74000000, 1, "a" },
{ 75000000, 1, "a" },
{ 76000000, 1, "a" },
{ 77000000, 1, "a" },
{ 78000000, 1, "a" },
{ 79000000, 1, "a" },
{ 80000000, 1, "a" },
{ 81000000, 1, "a" },
{ 82000000, 1, "a" },
{ 83000000, 1, "a" },
{ 84000000, 1, "a" },
{ 85000000, 1, "a" },
{ 86000000, 1, "a" },
{ 87000000, 1, "a" },
{ 88000000, 1, "a" },
{ 89000000, 1, "a" },
{ 90000000, 1, "a" },
{ 91000000, 1, "a" },
{ 92000000, 1, "a" },
{ 93000000, 1, "a" },
{ 94000000, 1, "a" },
{ 95000000, 1, "a" },
{ 96000000, 1, "a" },
{ 97000000, 1, "a" },
{ 98000000, 1, "a" },
{ 99000000, 1, "a" },
{ 99000001, 0, NULL }
};
struct contents archive_contents_nonsparse[] = {
{ 0, 1, "a" },
{ 1, 0, NULL }
};
/*
* Describe an archive with three entries:
*
* File 1: named "sparse"
* * a length of 3145728 bytes (3MiB)
* * a single 'a' byte at offset 1000000
* * a single 'a' byte at offset 2000000
* File 2: named "sparse2"
* * a single 'a' byte at offset 1,000,000, 2,000,000, ..., 99,000,000
* * length of 99,000,001
* File 3: named 'non-sparse'
* * length of 1 byte
* * contains a single byte 'a'
*/
struct archive_contents {
const char *filename;
struct contents *contents;
} files[] = {
{ "sparse", archive_contents_sparse },
{ "sparse2", archive_contents_sparse2 },
{ "non-sparse", archive_contents_nonsparse },
{ NULL, NULL }
};
static void
verify_archive_file(const char *name, struct archive_contents *ac)
{
struct archive_entry *ae;
int err;
/* data, size, offset of next expected block. */
struct contents expect;
/* data, size, offset of block read from archive. */
struct contents actual;
const void *p;
struct archive *a;
extract_reference_file(name);
assert((a = archive_read_new()) != NULL);
assert(0 == archive_read_support_compression_all(a));
assert(0 == archive_read_support_format_tar(a));
failure("Can't open %s", name);
assert(0 == archive_read_open_filename(a, name, 3));
while (ac->filename != NULL) {
struct contents *cts = ac->contents;
if (!assertEqualIntA(a, 0, archive_read_next_header(a, &ae))) {
assert(0 == archive_read_finish(a));
return;
}
failure("Name mismatch in archive %s", name);
assertEqualString(ac->filename, archive_entry_pathname(ae));
expect = *cts++;
while (0 == (err = archive_read_data_block(a,
&p, &actual.s, &actual.o))) {
actual.d = p;
while (actual.s > 0) {
char c = *actual.d;
if(actual.o < expect.o) {
/*
* Any byte before the expected
* data must be NULL.
*/
failure("%s: pad at offset %d "
"should be zero", name, actual.o);
assertEqualInt(c, 0);
} else if (actual.o == expect.o) {
/*
* Data at matching offsets must match.
*/
assertEqualInt(c, *expect.d);
expect.d++;
expect.o++;
expect.s--;
/* End of expected? step to next expected. */
if (expect.s <= 0)
expect = *cts++;
} else {
/*
* We found data beyond that expected.
*/
failure("%s: Unexpected trailing data",
name);
assert(actual.o <= expect.o);
archive_read_finish(a);
return;
}
actual.d++;
actual.o++;
actual.s--;
}
}
failure("%s: should be end of entry", name);
assertEqualIntA(a, err, ARCHIVE_EOF);
failure("%s: Size returned at EOF must be zero", name);
assertEqualInt((int)actual.s, 0);
#if ARCHIVE_VERSION_NUMBER < 1009000
/* libarchive < 1.9 doesn't get this right */
skipping("offset of final sparse chunk");
#else
failure("%s: Offset of final empty chunk must be same as file size", name);
assertEqualInt(actual.o, expect.o);
#endif
/* Step to next file description. */
++ac;
}
err = archive_read_next_header(a, &ae);
assertEqualIntA(a, ARCHIVE_EOF, err);
assert(0 == archive_read_close(a));
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_read_finish(a);
#else
assert(0 == archive_read_finish(a));
#endif
}
DEFINE_TEST(test_read_format_gtar_sparse)
{
/* Two archives that use the "GNU tar sparse format". */
verify_archive_file("test_read_format_gtar_sparse_1_13.tar", files);
verify_archive_file("test_read_format_gtar_sparse_1_17.tar", files);
/*
* libarchive < 1.9 doesn't support the newer --posix sparse formats
* from GNU tar 1.15 and later.
*/
#if ARCHIVE_VERSION_NUMBER < 1009000
skipping("read support for GNUtar --posix sparse formats");
#else
/*
* An archive created by GNU tar 1.17 using --posix --sparse-format=0.1
*/
verify_archive_file(
"test_read_format_gtar_sparse_1_17_posix00.tar",
files);
/*
* An archive created by GNU tar 1.17 using --posix --sparse-format=0.1
*/
verify_archive_file(
"test_read_format_gtar_sparse_1_17_posix01.tar",
files);
/*
* An archive created by GNU tar 1.17 using --posix --sparse-format=1.0
*/
verify_archive_file(
"test_read_format_gtar_sparse_1_17_posix10.tar",
files);
/*
* The last test archive here is a little odd. First, it's
* uncompressed, because that exercises some of the block
* reassembly code a little harder. Second, it includes some
* leading comments prior to the sparse block description.
* GNU tar doesn't do this, but I think it should, so I want
* to ensure that libarchive correctly ignores such comments.
* Dump the file, looking for "#!gnu-sparse-format" starting
* at byte 0x600.
*/
verify_archive_file(
"test_read_format_gtar_sparse_1_17_posix10_modified.tar",
files);
#endif
}