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/*-
* 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: src/lib/libarchive/test/test_read_truncated.c,v 1.4 2008/09/01 05:38:33 kientzle Exp $");
char buff[1000000];
char buff2[100000];
DEFINE_TEST(test_read_truncated)
{
struct archive_entry *ae;
struct archive *a;
unsigned int i;
size_t used;
/* Create a new archive in memory. */
assert((a = archive_write_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_none(a));
assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, sizeof(buff), &used));
/*
* Write a file to it.
*/
assert((ae = archive_entry_new()) != NULL);
archive_entry_copy_pathname(ae, "file");
archive_entry_set_mode(ae, S_IFREG | 0755);
for (i = 0; i < sizeof(buff2); i++)
buff2[i] = (unsigned char)rand();
archive_entry_set_size(ae, sizeof(buff2));
assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
archive_entry_free(ae);
assertEqualIntA(a, sizeof(buff2), archive_write_data(a, buff2, sizeof(buff2)));
/* Close out the archive. */
assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
assertEqualInt(ARCHIVE_OK, archive_write_free(a));
/* Now, read back a truncated version of the archive and
* verify that we get an appropriate error. */
for (i = 1; i < used + 100; i += 100) {
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
if (i < 512) {
assertEqualIntA(a, ARCHIVE_FATAL, archive_read_open_memory(a, buff, i));
goto wrap_up;
} else {
assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, i));
}
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
if (i < 512 + sizeof(buff2)) {
assertEqualIntA(a, ARCHIVE_FATAL, archive_read_data(a, buff2, sizeof(buff2)));
goto wrap_up;
} else {
assertEqualIntA(a, sizeof(buff2), archive_read_data(a, buff2, sizeof(buff2)));
}
/* Verify the end of the archive. */
/* Archive must be long enough to capture a 512-byte
* block of zeroes after the entry. (POSIX requires a
* second block of zeros to be written but libarchive
* does not return an error if it can't consume
* it.) */
if (i < 512 + 512*((sizeof(buff2) + 511)/512) + 512) {
assertEqualIntA(a, ARCHIVE_FATAL, archive_read_next_header(a, &ae));
} else {
assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
}
wrap_up:
assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
/* Same as above, except skip the body instead of reading it. */
for (i = 1; i < used + 100; i += 100) {
assert((a = archive_read_new()) != NULL);
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
if (i < 512) {
assertEqualIntA(a, ARCHIVE_FATAL, archive_read_open_memory(a, buff, i));
goto wrap_up2;
} else {
assertEqualIntA(a, ARCHIVE_OK, archive_read_open_memory(a, buff, i));
}
assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
if (i < 512 + 512*((sizeof(buff2)+511)/512)) {
assertEqualIntA(a, ARCHIVE_FATAL, archive_read_data_skip(a));
goto wrap_up2;
} else {
assertEqualIntA(a, ARCHIVE_OK, archive_read_data_skip(a));
}
/* Verify the end of the archive. */
/* Archive must be long enough to capture a 512-byte
* block of zeroes after the entry. (POSIX requires a
* second block of zeros to be written but libarchive
* does not return an error if it can't consume
* it.) */
if (i < 512 + 512*((sizeof(buff2) + 511)/512) + 512) {
assertEqualIntA(a, ARCHIVE_FATAL, archive_read_next_header(a, &ae));
} else {
assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
}
wrap_up2:
assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}
}
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