diff options
Diffstat (limited to 'lib/libarchive/test/test_ustar_filenames.c')
-rw-r--r-- | lib/libarchive/test/test_ustar_filenames.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/lib/libarchive/test/test_ustar_filenames.c b/lib/libarchive/test/test_ustar_filenames.c new file mode 100644 index 0000000..130a31e --- /dev/null +++ b/lib/libarchive/test/test_ustar_filenames.c @@ -0,0 +1,191 @@ +/*- + * 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("$FreeBSD$"); + +/* + * Exercise various lengths of filenames in ustar archives. + */ + +static void +test_filename(const char *prefix, int dlen, int flen) +{ + char buff[8192]; + char filename[400]; + char dirname[400]; + struct archive_entry *ae; + struct archive *a; + size_t used; + int separator = 0; + int i = 0; + + if (prefix != NULL) { + strcpy(filename, prefix); + i = (int)strlen(prefix); + } + if (dlen > 0) { + for (; i < dlen; i++) + filename[i] = 'a'; + filename[i++] = '/'; + separator = 1; + } + for (; i < dlen + flen + separator; i++) + filename[i] = 'b'; + filename[i] = '\0'; + + strcpy(dirname, filename); + + /* Create a new archive in memory. */ + assert((a = archive_write_new()) != NULL); + assertA(0 == archive_write_set_format_ustar(a)); + assertA(0 == archive_write_set_compression_none(a)); + assertA(0 == archive_write_set_bytes_per_block(a,0)); + assertA(0 == 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, filename); + archive_entry_set_mode(ae, S_IFREG | 0755); + failure("dlen=%d, flen=%d", dlen, flen); + if (flen > 100) { + assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae)); + } else { + assertEqualIntA(a, 0, archive_write_header(a, ae)); + } + archive_entry_free(ae); + + /* + * Write a dir to it (without trailing '/'). + */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, dirname); + archive_entry_set_mode(ae, S_IFDIR | 0755); + failure("dlen=%d, flen=%d", dlen, flen); + if (flen >= 100) { + assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae)); + } else { + assertEqualIntA(a, 0, archive_write_header(a, ae)); + } + archive_entry_free(ae); + + /* Tar adds a '/' to directory names. */ + strcat(dirname, "/"); + + /* + * Write a dir to it (with trailing '/'). + */ + assert((ae = archive_entry_new()) != NULL); + archive_entry_copy_pathname(ae, dirname); + archive_entry_set_mode(ae, S_IFDIR | 0755); + failure("dlen=%d, flen=%d", dlen, flen); + if (flen >= 100) { + assertEqualIntA(a, ARCHIVE_FAILED, archive_write_header(a, ae)); + } else { + assertEqualIntA(a, 0, archive_write_header(a, ae)); + } + archive_entry_free(ae); + + /* Close out the archive. */ + assertA(0 == archive_write_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_write_finish(a); +#else + assertEqualInt(0, archive_write_finish(a)); +#endif + + /* + * Now, read the data back. + */ + 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, buff, used)); + + if (flen <= 100) { + /* Read the file and check the filename. */ + assertA(0 == archive_read_next_header(a, &ae)); + failure("dlen=%d, flen=%d", dlen, flen); + assertEqualString(filename, archive_entry_pathname(ae)); + assertEqualInt((S_IFREG | 0755), archive_entry_mode(ae)); + } + + /* + * Read the two dirs and check the names. + * + * Both dirs should read back with the same name, since + * tar should add a trailing '/' to any dir that doesn't + * already have one. + */ + if (flen <= 99) { + assertA(0 == archive_read_next_header(a, &ae)); + assert((S_IFDIR | 0755) == archive_entry_mode(ae)); + failure("dlen=%d, flen=%d", dlen, flen); + assertEqualString(dirname, archive_entry_pathname(ae)); + } + + if (flen <= 99) { + assertA(0 == archive_read_next_header(a, &ae)); + assert((S_IFDIR | 0755) == archive_entry_mode(ae)); + assertEqualString(dirname, archive_entry_pathname(ae)); + } + + /* Verify the end of the archive. */ + failure("This fails if entries were written that should not have been written. dlen=%d, flen=%d", dlen, flen); + assertEqualInt(1, archive_read_next_header(a, &ae)); + assert(0 == archive_read_close(a)); +#if ARCHIVE_VERSION_NUMBER < 2000000 + archive_read_finish(a); +#else + assertEqualInt(0, archive_read_finish(a)); +#endif +} + +DEFINE_TEST(test_ustar_filenames) +{ + int dlen, flen; + + /* Try a bunch of different file/dir lengths that add up + * to just a little less or a little more than 100 bytes. + * This exercises the code that splits paths between ustar + * filename and prefix fields. + */ + for (dlen = 5; dlen < 70; dlen += 5) { + for (flen = 100 - dlen - 5; flen < 100 - dlen + 5; flen++) { + test_filename(NULL, dlen, flen); + test_filename("/", dlen, flen); + } + } + + /* Probe the 100-char limit for paths with no '/'. */ + for (flen = 90; flen < 110; flen++) { + test_filename(NULL, 0, flen); + test_filename("/", dlen, flen); + } + + /* XXXX TODO Probe the 100-char limit with a dir prefix. */ + /* XXXX TODO Probe the 255-char total limit. */ +} |