diff options
Diffstat (limited to 'libarchive/test/test_read_pax_truncated.c')
| -rw-r--r-- | libarchive/test/test_read_pax_truncated.c | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/libarchive/test/test_read_pax_truncated.c b/libarchive/test/test_read_pax_truncated.c new file mode 100644 index 0000000..4e2a813 --- /dev/null +++ b/libarchive/test/test_read_pax_truncated.c @@ -0,0 +1,288 @@ +/*- + * 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: head/lib/libarchive/test/test_read_pax_truncated.c 189483 2009-03-07 03:34:34Z kientzle $"); + +DEFINE_TEST(test_read_pax_truncated) +{ + struct archive_entry *ae; + struct archive *a; + size_t used, i, buff_size = 1000000; + size_t filedata_size = 100000; + char *buff = malloc(buff_size); + char *buff2 = malloc(buff_size); + char *filedata = malloc(filedata_size); + + /* Create a new archive in memory. */ + assert((a = archive_write_new()) != NULL); + assertA(0 == archive_write_set_format_pax(a)); + assertA(0 == archive_write_set_compression_none(a)); + assertEqualIntA(a, ARCHIVE_OK, + archive_write_open_memory(a, buff, buff_size, &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 < filedata_size; i++) + filedata[i] = (unsigned char)rand(); + archive_entry_set_atime(ae, 1, 2); + archive_entry_set_ctime(ae, 3, 4); + archive_entry_set_mtime(ae, 5, 6); + archive_entry_set_size(ae, filedata_size); + assertA(0 == archive_write_header(a, ae)); + archive_entry_free(ae); + assertA((ssize_t)filedata_size + == archive_write_data(a, filedata, filedata_size)); + + /* Close out the archive. */ + assertA(0 == archive_write_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_write_finish(a); +#else + assertA(0 == archive_write_finish(a)); +#endif + + /* 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); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == read_open_memory2(a, buff, i, 13)); + + if (i < 1536) { + assertEqualIntA(a, ARCHIVE_FATAL, archive_read_next_header(a, &ae)); + goto wrap_up; + } else { + failure("Archive truncated to %d bytes", i); + assertEqualIntA(a, 0, archive_read_next_header(a, &ae)); + } + + if (i < 1536 + filedata_size) { + assertA(ARCHIVE_FATAL == archive_read_data(a, filedata, filedata_size)); + goto wrap_up; + } else { + failure("Archive truncated to %d bytes", i); + assertEqualIntA(a, filedata_size, + archive_read_data(a, filedata, filedata_size)); + } + + /* 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 < 1536 + 512*((filedata_size + 511)/512) + 512) { + failure("i=%d minsize=%d", i, + 1536 + 512*((filedata_size + 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: + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + } + + + + /* 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); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == read_open_memory(a, buff, i, 7)); + + if (i < 1536) { + assertA(ARCHIVE_FATAL == archive_read_next_header(a, &ae)); + goto wrap_up2; + } else { + assertEqualIntA(a, 0, archive_read_next_header(a, &ae)); + } + + if (i < 1536 + 512*((filedata_size+511)/512)) { + assertA(ARCHIVE_FATAL == archive_read_data_skip(a)); + goto wrap_up2; + } else { + assertA(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 < 1536 + 512*((filedata_size + 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: + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + } + + /* Now, damage the archive in various ways and test the responses. */ + + /* Damage the first size field in the pax attributes. */ + memcpy(buff2, buff, buff_size); + buff2[512] = '9'; + buff2[513] = '9'; + buff2[514] = 'A'; /* Non-digit in size. */ + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == archive_read_open_memory(a, buff2, used)); + assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae)); + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + + /* Damage the size field in the pax attributes. */ + memcpy(buff2, buff, buff_size); + buff2[512] = 'A'; /* First character not a digit. */ + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == archive_read_open_memory(a, buff2, used)); + assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae)); + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + + /* Damage the size field in the pax attributes. */ + memcpy(buff2, buff, buff_size); + for (i = 512; i < 520; i++) /* Size over 999999. */ + buff2[i] = '9'; + buff2[i] = ' '; + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == archive_read_open_memory(a, buff2, used)); + assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae)); + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + + /* Damage the size field in the pax attributes. */ + memcpy(buff2, buff, buff_size); + buff2[512] = '9'; /* Valid format, but larger than attribute area. */ + buff2[513] = '9'; + buff2[514] = '9'; + buff2[515] = ' '; + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == archive_read_open_memory(a, buff2, used)); + assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae)); + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + + /* Damage the size field in the pax attributes. */ + memcpy(buff2, buff, buff_size); + buff2[512] = '1'; /* Too small. */ + buff2[513] = ' '; + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == archive_read_open_memory(a, buff2, used)); + assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae)); + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + + /* Damage the size field in the pax attributes. */ + memcpy(buff2, buff, buff_size); + buff2[512] = ' '; /* No size given. */ + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == archive_read_open_memory(a, buff2, used)); + assertEqualIntA(a, ARCHIVE_WARN, archive_read_next_header(a, &ae)); + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + + /* Damage the ustar header. */ + memcpy(buff2, buff, buff_size); + buff2[1024]++; /* Break the checksum. */ + assert((a = archive_read_new()) != NULL); + assertA(0 == archive_read_support_format_all(a)); + assertA(0 == archive_read_support_compression_all(a)); + assertA(0 == archive_read_open_memory(a, buff2, used)); + assertEqualIntA(a, ARCHIVE_FATAL, archive_read_next_header(a, &ae)); + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assert(0 == archive_read_finish(a)); +#endif + + /* + * TODO: Damage the ustar header in various ways and fixup the + * checksum in order to test boundary cases in the innermost + * ustar header parsing. + */ + + free(buff); + free(buff2); + free(filedata); +} |
