]> git.ipfire.org Git - thirdparty/libarchive.git/commitdiff
Verify that Zip writer rejects too-large files when Zip64 is disabled. 62/head
authorTim Kientzle <kientzle@acm.org>
Sun, 12 Jan 2014 19:45:53 +0000 (11:45 -0800)
committerTim Kientzle <kientzle@acm.org>
Sun, 12 Jan 2014 19:45:53 +0000 (11:45 -0800)
Interestingly, this found a bug in the write core:  if the
writer rejects a file, the write core would erroneously transition to
state DATA.

Makefile.am
libarchive/archive_write.c
libarchive/test/CMakeLists.txt
libarchive/test/test_write_format_zip_zip64.c [new file with mode: 0644]

index 251f3284627c802f55613df45046d47c699fb315..964cd1db4bcacefa4b1f450cd0dddb2ae8dcfc57 100644 (file)
@@ -518,6 +518,7 @@ libarchive_test_SOURCES=                                    \
        libarchive/test/test_write_format_zip_file.c            \
        libarchive/test/test_write_format_zip_file_zip64.c      \
        libarchive/test/test_write_format_zip_large.c           \
+       libarchive/test/test_write_format_zip_zip64.c           \
        libarchive/test/test_write_open_memory.c                \
        libarchive/test/test_zip_filename_encoding.c
 
index be85621508d51df04ccedb3910cfe08e0dfa5b4f..90212bcbb7db725885977b56be0108e948e2e169 100644 (file)
@@ -639,6 +639,9 @@ _archive_write_header(struct archive *_a, struct archive_entry *entry)
 
        /* Format and write header. */
        r2 = ((a->format_write_header)(a, entry));
+       if (r2 == ARCHIVE_FAILED) {
+               return (ARCHIVE_FAILED);
+       }
        if (r2 == ARCHIVE_FATAL) {
                a->archive.state = ARCHIVE_STATE_FATAL;
                return (ARCHIVE_FATAL);
index d637bd3ec57a1b64e63b3d7bc9a240210a3568a4..669b0a849567f79e0bb581dd24e8162e9d6865b4 100644 (file)
@@ -231,6 +231,7 @@ IF(ENABLE_TEST)
     test_write_format_zip_file.c
     test_write_format_zip_file_zip64.c
     test_write_format_zip_large.c
+    test_write_format_zip_zip64.c
     test_write_open_memory.c
     test_zip_filename_encoding.c
   )
diff --git a/libarchive/test/test_write_format_zip_zip64.c b/libarchive/test/test_write_format_zip_zip64.c
new file mode 100644 (file)
index 0000000..b83aeab
--- /dev/null
@@ -0,0 +1,67 @@
+/*-
+ * Copyright (c) 2014 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("$FreeBSD$");
+
+static void
+verify_zip_filesize(uint64_t size, int expected)
+{
+       struct archive *a;
+       struct archive_entry *ae;
+       char buff[256];
+       size_t used;
+
+       /* Zip format: Create a new archive in memory. */
+       assert((a = archive_write_new()) != NULL);
+       assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_zip(a));
+       /* Disable Zip64 extensions. */
+       assertEqualIntA(a, ARCHIVE_OK,
+           archive_write_set_format_option(a, "zip", "zip64", NULL));
+       assertEqualIntA(a, ARCHIVE_OK,
+           archive_write_open_memory(a, buff, sizeof(buff), &used));
+
+       assert((ae = archive_entry_new()) != NULL);
+       archive_entry_set_pathname(ae, "test");
+       archive_entry_set_mode(ae, AE_IFREG | 0644);
+       archive_entry_set_size(ae, size);
+       assertEqualInt(expected, archive_write_header(a, ae));
+
+       /* Don't actually write 4GB! ;-) */
+       assertEqualIntA(a, ARCHIVE_OK, archive_write_free(a));
+}
+
+DEFINE_TEST(test_write_format_zip_zip64_oversize)
+{
+       /* With Zip64 extensions disabled, we should be
+        * able to write a file with at most 4G-1 bytes. */
+
+       /* Note:  Tar writer pads file to declared size when the file
+        * is closed.  If Zip writer is changed to behave the same
+        * way, it will be much harder to test the first case here. */
+       verify_zip_filesize(0xffffffffLL, ARCHIVE_OK);
+
+       verify_zip_filesize(0x100000000LL, ARCHIVE_FAILED);
+}