| /*- |
| * 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 $"); |
| |
| static char buff[1000000]; |
| static 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)); |
| } |
| } |