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Diffstat (limited to 'lib/libarchive/test/test_fuzz.c')
| -rw-r--r-- | lib/libarchive/test/test_fuzz.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/lib/libarchive/test/test_fuzz.c b/lib/libarchive/test/test_fuzz.c deleted file mode 100644 index 8f91fca..0000000 --- a/lib/libarchive/test/test_fuzz.c +++ /dev/null @@ -1,166 +0,0 @@ -/*- - * 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("$FreeBSD$"); - -/* - * This was inspired by an ISO fuzz tester written by Michal Zalewski - * and posted to the "vulnwatch" mailing list on March 17, 2005: - * http://seclists.org/vulnwatch/2005/q1/0088.html - * - * This test simply reads each archive image into memory, pokes - * random values into it and runs it through libarchive. It tries - * to damage about 1% of each file and repeats the exercise 100 times - * with each file. - * - * Unlike most other tests, this test does not verify libarchive's - * responses other than to ensure that libarchive doesn't crash. - * - * Due to the deliberately random nature of this test, it may be hard - * to reproduce failures. Because this test deliberately attempts to - * induce crashes, there's little that can be done in the way of - * post-failure diagnostics. - */ - -/* Because this works for any archive, we can just re-use the archives - * developed for other tests. */ -static struct { - int uncompress; /* If 1, decompress the file before fuzzing. */ - const char *name; -} files[] = { - {0, "test_fuzz_1.iso.Z"}, /* Exercise compress decompressor. */ - {1, "test_fuzz_1.iso.Z"}, - {0, "test_compat_bzip2_1.tbz"}, /* Exercise bzip2 decompressor. */ - {1, "test_compat_bzip2_1.tbz"}, - {0, "test_compat_gtar_1.tar"}, - {0, "test_compat_gzip_1.tgz"}, /* Exercise gzip decompressor. */ - {0, "test_compat_gzip_2.tgz"}, /* Exercise gzip decompressor. */ - {0, "test_compat_tar_hardlink_1.tar"}, - {0, "test_compat_xz_1.txz"}, /* Exercise xz decompressor. */ - {0, "test_compat_zip_1.zip"}, - {0, "test_read_format_ar.ar"}, - {0, "test_read_format_cpio_bin_be.cpio"}, - {0, "test_read_format_cpio_svr4_gzip_rpm.rpm"}, /* Test RPM unwrapper */ - {0, "test_read_format_gtar_sparse_1_17_posix10_modified.tar"}, - {0, "test_read_format_mtree.mtree"}, - {0, "test_read_format_tar_empty_filename.tar"}, - {0, "test_read_format_zip.zip"}, - {1, NULL} -}; - -DEFINE_TEST(test_fuzz) -{ - const void *blk; - size_t blk_size; - off_t blk_offset; - int n; - - for (n = 0; files[n].name != NULL; ++n) { - const size_t buffsize = 30000000; - const char *filename = files[n].name; - struct archive_entry *ae; - struct archive *a; - char *rawimage, *image; - size_t size; - int i; - - extract_reference_file(filename); - if (files[n].uncompress) { - int r; - /* Use format_raw to decompress the data. */ - assert((a = archive_read_new()) != NULL); - assertEqualIntA(a, ARCHIVE_OK, - archive_read_support_compression_all(a)); - assertEqualIntA(a, ARCHIVE_OK, - archive_read_support_format_raw(a)); - r = archive_read_open_filename(a, filename, 16384); - if (r != ARCHIVE_OK) { - archive_read_finish(a); - skipping("Cannot uncompress %s", filename); - continue; - } - assertEqualIntA(a, ARCHIVE_OK, - archive_read_next_header(a, &ae)); - rawimage = malloc(buffsize); - size = archive_read_data(a, rawimage, buffsize); - assertEqualIntA(a, ARCHIVE_EOF, - archive_read_next_header(a, &ae)); - assertEqualInt(ARCHIVE_OK, - archive_read_finish(a)); - assert(size > 0); - failure("Internal buffer is not big enough for " - "uncompressed test file: %s", filename); - if (!assert(size < buffsize)) { - free(rawimage); - continue; - } - } else { - rawimage = slurpfile(&size, filename); - if (!assert(rawimage != NULL)) - continue; - } - image = malloc(size); - assert(image != NULL); - srand((unsigned)time(NULL)); - - for (i = 0; i < 100; ++i) { - FILE *f; - int j, numbytes; - - /* Fuzz < 1% of the bytes in the archive. */ - memcpy(image, rawimage, size); - numbytes = (int)(rand() % (size / 100)); - for (j = 0; j < numbytes; ++j) - image[rand() % size] = (char)rand(); - - /* Save the messed-up image to a file. - * If we crash, that file will be useful. */ - f = fopen("after.test.failure.send.this.file." - "to.libarchive.maintainers.with.system.details", "wb"); - fwrite(image, 1, (size_t)size, f); - fclose(f); - - assert((a = archive_read_new()) != NULL); - assertEqualIntA(a, ARCHIVE_OK, - archive_read_support_compression_all(a)); - assertEqualIntA(a, ARCHIVE_OK, - archive_read_support_format_all(a)); - - if (0 == archive_read_open_memory(a, image, size)) { - while(0 == archive_read_next_header(a, &ae)) { - while (0 == archive_read_data_block(a, - &blk, &blk_size, &blk_offset)) - continue; - } - archive_read_close(a); - } - archive_read_finish(a); - } - free(image); - free(rawimage); - } -} - - |
