2a5e8d812c
exercises and verifies the libarchive APIs: * Improved error reporting; hexdumps are now provided for many file/memory content differences. * Overall status more clearly counts "tests" and "assertions" * Reference files can now be stored on disk instead of having to be compiled into the test program itself. A couple of tests have been converted to this more natural structure. * Several memory leaks corrected so that leaks within libarchive itself can be more easily detected and diagnosed. * New test: GNU tar compatibility * New test: Zip compatibility * New test: Zero-byte writes to a compressed archive entry * New test: archive_entry_strmode() format verification * New test: mtree reader * New test: write/read of large (2G - 1TB) entries to tar archives (thanks to recent performance work, this test only requires a few seconds) * New test: detailed format verification of cpio odc and newc writers * Many minor additions/improvements to existing tests as well.
282 lines
9.5 KiB
C
282 lines
9.5 KiB
C
/*-
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* Copyright (c) 2003-2007 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.h"
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__FBSDID("$FreeBSD$");
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DEFINE_TEST(test_read_pax_truncated)
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{
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struct archive_entry *ae;
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struct archive *a;
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ssize_t used, i;
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size_t buff_size = 1000000;
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ssize_t filedata_size = 100000;
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char *buff = malloc(buff_size);
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char *buff2 = malloc(buff_size);
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char *filedata = malloc(filedata_size);
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/* Create a new archive in memory. */
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assert((a = archive_write_new()) != NULL);
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assertA(0 == archive_write_set_format_pax(a));
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assertA(0 == archive_write_set_compression_none(a));
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assertA(0 == archive_write_open_memory(a, buff, buff_size, &used));
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/*
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* Write a file to it.
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*/
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assert((ae = archive_entry_new()) != NULL);
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archive_entry_copy_pathname(ae, "file");
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archive_entry_set_mode(ae, S_IFREG | 0755);
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for (i = 0; i < filedata_size; i++)
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filedata[i] = (unsigned char)rand();
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archive_entry_set_atime(ae, 1, 2);
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archive_entry_set_ctime(ae, 3, 4);
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archive_entry_set_mtime(ae, 5, 6);
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archive_entry_set_size(ae, filedata_size);
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assertA(0 == archive_write_header(a, ae));
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archive_entry_free(ae);
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assertA(filedata_size == archive_write_data(a, filedata, filedata_size));
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/* Close out the archive. */
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assertA(0 == archive_write_close(a));
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#if ARCHIVE_API_VERSION > 1
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assertA(0 == archive_write_finish(a));
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#else
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archive_write_finish(a);
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#endif
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/* Now, read back a truncated version of the archive and
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* verify that we get an appropriate error. */
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for (i = 1; i < used + 100; i += 100) {
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == read_open_memory(a, buff, i, 13));
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if (i < 1536) {
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assertEqualIntA(a, ARCHIVE_FATAL, archive_read_next_header(a, &ae));
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goto wrap_up;
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} else {
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failure("Archive truncated to %d bytes", i);
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assertEqualIntA(a, 0, archive_read_next_header(a, &ae));
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}
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if (i < 1536 + filedata_size) {
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assertA(ARCHIVE_FATAL == archive_read_data(a, filedata, filedata_size));
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goto wrap_up;
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} else {
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failure("Archive truncated to %d bytes", i);
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assertEqualIntA(a, filedata_size,
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archive_read_data(a, filedata, filedata_size));
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}
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/* Verify the end of the archive. */
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/* Archive must be long enough to capture a 512-byte
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* block of zeroes after the entry. (POSIX requires a
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* second block of zeros to be written but libarchive
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* does not return an error if it can't consume
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* it.) */
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if (i < 1536 + 512*((filedata_size + 511)/512) + 512) {
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assertA(ARCHIVE_FATAL == archive_read_next_header(a, &ae));
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} else {
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assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae));
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}
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wrap_up:
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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}
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/* Same as above, except skip the body instead of reading it. */
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for (i = 1; i < used + 100; i += 100) {
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == read_open_memory(a, buff, i, 7));
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if (i < 1536) {
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assertA(ARCHIVE_FATAL == archive_read_next_header(a, &ae));
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goto wrap_up2;
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} else {
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assertEqualIntA(a, 0, archive_read_next_header(a, &ae));
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}
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if (i < 1536 + 512*((filedata_size+511)/512)) {
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assertA(ARCHIVE_FATAL == archive_read_data_skip(a));
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goto wrap_up2;
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} else {
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assertA(ARCHIVE_OK == archive_read_data_skip(a));
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}
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/* Verify the end of the archive. */
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/* Archive must be long enough to capture a 512-byte
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* block of zeroes after the entry. (POSIX requires a
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* second block of zeros to be written but libarchive
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* does not return an error if it can't consume
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* it.) */
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if (i < 1536 + 512*((filedata_size + 511)/512) + 512) {
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assertA(ARCHIVE_FATAL == archive_read_next_header(a, &ae));
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} else {
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assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae));
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}
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wrap_up2:
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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}
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/* Now, damage the archive in various ways and test the responses. */
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/* Damage the first size field in the pax attributes. */
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memcpy(buff2, buff, buff_size);
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buff2[512] = '9';
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buff2[513] = '9';
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buff2[514] = 'A'; /* Non-digit in size. */
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff2, used));
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assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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/* Damage the size field in the pax attributes. */
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memcpy(buff2, buff, buff_size);
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buff2[512] = 'A'; /* First character not a digit. */
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff2, used));
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assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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/* Damage the size field in the pax attributes. */
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memcpy(buff2, buff, buff_size);
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for (i = 512; i < 520; i++) /* Size over 999999. */
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buff2[i] = '9';
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buff2[i] = ' ';
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff2, used));
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assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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/* Damage the size field in the pax attributes. */
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memcpy(buff2, buff, buff_size);
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buff2[512] = '9'; /* Valid format, but larger than attribute area. */
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buff2[513] = '9';
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buff2[514] = '9';
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buff2[515] = ' ';
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff2, used));
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assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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/* Damage the size field in the pax attributes. */
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memcpy(buff2, buff, buff_size);
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buff2[512] = '1'; /* Too small. */
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buff2[513] = ' ';
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff2, used));
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assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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/* Damage the size field in the pax attributes. */
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memcpy(buff2, buff, buff_size);
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buff2[512] = ' '; /* No size given. */
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff2, used));
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assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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/* Damage the ustar header. */
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memcpy(buff2, buff, buff_size);
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buff2[1024]++; /* Break the checksum. */
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assert((a = archive_read_new()) != NULL);
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assertA(0 == archive_read_support_format_all(a));
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assertA(0 == archive_read_support_compression_all(a));
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assertA(0 == archive_read_open_memory(a, buff2, used));
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assertEqualIntA(a, ARCHIVE_FATAL, archive_read_next_header(a, &ae));
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assert(0 == archive_read_close(a));
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#if ARCHIVE_API_VERSION > 1
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assert(0 == archive_read_finish(a));
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#else
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archive_read_finish(a);
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#endif
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/*
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* TODO: Damage the ustar header in various ways and fixup the
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* checksum in order to test boundary cases in the innermost
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* ustar header parsing.
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*/
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free(buff);
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free(buff2);
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free(filedata);
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}
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