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-rw-r--r--tar/test/test_option_safe_writes.c77
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+/*-
+ * Copyright (c) 2020 Martin Matuska
+ * 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("$FreeBSD$");
+
+DEFINE_TEST(test_option_safe_writes)
+{
+ /* Create files */
+ assertMakeDir("in", 0755);
+ assertEqualInt(0, chdir("in"));
+ assertMakeFile("f", 0644, "a");
+ assertMakeFile("fh", 0644, "b");
+ assertMakeFile("d", 0644, "c");
+ assertMakeFile("fs", 0644, "d");
+ assertMakeFile("ds", 0644, "e");
+ assertEqualInt(0, chdir(".."));
+
+ /* Tar files up */
+ assertEqualInt(0,
+ systemf("%s -c -C in -f t.tar f fh d fs ds "
+ ">pack.out 2>pack.err", testprog));
+
+ /* Verify that nothing went to stdout or stderr. */
+ assertEmptyFile("pack.err");
+ assertEmptyFile("pack.out");
+
+ /* Create various objects */
+ assertMakeDir("out", 0755);
+ assertEqualInt(0, chdir("out"));
+ assertMakeFile("f", 0644, "a");
+ assertMakeHardlink("fh", "f");
+ assertMakeDir("d", 0755);
+ if (canSymlink()) {
+ assertMakeSymlink("fs", "f", 0);
+ assertMakeSymlink("ds", "d", 1);
+ }
+ assertEqualInt(0, chdir(".."));
+
+ /* Extract created archive withe safe writes */
+ assertEqualInt(0,
+ systemf("%s -x -C out --safe-writes -f t.tar "
+ ">unpack.out 2>unpack.err", testprog));
+
+ /* Verify that nothing went to stdout or stderr. */
+ assertEmptyFile("unpack.err");
+ assertEmptyFile("unpack.out");
+
+ /* Verify that files were overwritten properly */
+ assertEqualInt(0, chdir("out"));
+ assertTextFileContents("a","f");
+ assertTextFileContents("b","fh");
+ assertTextFileContents("c","d");
+ assertTextFileContents("d","fs");
+ assertTextFileContents("e","ds");
+}