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Diffstat (limited to 'Utilities/cmlibarchive/tar/test/test_symlink_dir.c')
| -rw-r--r-- | Utilities/cmlibarchive/tar/test/test_symlink_dir.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/tar/test/test_symlink_dir.c b/Utilities/cmlibarchive/tar/test/test_symlink_dir.c new file mode 100644 index 0000000..04e0a4b --- /dev/null +++ b/Utilities/cmlibarchive/tar/test/test_symlink_dir.c @@ -0,0 +1,160 @@ +/*- + * 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: src/usr.bin/tar/test/test_symlink_dir.c,v 1.1 2008/09/14 02:16:04 kientzle Exp $"); + +/* + * tar -x -P should follow existing symlinks for dirs, but not other + * content. Plain tar -x should remove symlinks when they're in the + * way of a dir extraction. + */ + +static int +mkfile(const char *name, int mode, const char *contents, size_t size) +{ + FILE *f = fopen(name, "wb"); + size_t written; + + (void)mode; /* UNUSED */ + if (f == NULL) + return (-1); + written = fwrite(contents, 1, size, f); + fclose(f); + if (size != written) + return (-1); + return (0); +} + +DEFINE_TEST(test_symlink_dir) +{ + assertUmask(0); + + assertMakeDir("source", 0755); + assertEqualInt(0, mkfile("source/file", 0755, "a", 1)); + assertEqualInt(0, mkfile("source/file2", 0755, "ab", 2)); + assertMakeDir("source/dir", 0755); + assertMakeDir("source/dir/d", 0755); + assertEqualInt(0, mkfile("source/dir/f", 0755, "abc", 3)); + assertMakeDir("source/dir2", 0755); + assertMakeDir("source/dir2/d2", 0755); + assertEqualInt(0, mkfile("source/dir2/f2", 0755, "abcd", 4)); + assertMakeDir("source/dir3", 0755); + assertMakeDir("source/dir3/d3", 0755); + assertEqualInt(0, mkfile("source/dir3/f3", 0755, "abcde", 5)); + + assertEqualInt(0, + systemf("%s -cf test.tar -C source dir dir2 dir3 file file2", + testprog)); + + /* + * Extract with -x and without -P. + */ + assertMakeDir("dest1", 0755); + /* "dir" is a symlink to an existing "dest1/real_dir" */ + assertMakeDir("dest1/real_dir", 0755); + if (canSymlink()) { + assertMakeSymlink("dest1/dir", "real_dir"); + /* "dir2" is a symlink to a non-existing "real_dir2" */ + assertMakeSymlink("dest1/dir2", "real_dir2"); + } else { + skipping("some symlink checks"); + } + /* "dir3" is a symlink to an existing "non_dir3" */ + assertEqualInt(0, mkfile("dest1/non_dir3", 0755, "abcdef", 6)); + if (canSymlink()) + assertMakeSymlink("dest1/dir3", "non_dir3"); + /* "file" is a symlink to existing "real_file" */ + assertEqualInt(0, mkfile("dest1/real_file", 0755, "abcdefg", 7)); + if (canSymlink()) { + assertMakeSymlink("dest1/file", "real_file"); + /* "file2" is a symlink to non-existing "real_file2" */ + assertMakeSymlink("dest1/file2", "real_file2"); + } + assertEqualInt(0, systemf("%s -xf test.tar -C dest1", testprog)); + + /* dest1/dir symlink should be replaced */ + failure("symlink to dir was followed when it shouldn't be"); + assertIsDir("dest1/dir", -1); + /* dest1/dir2 symlink should be replaced */ + failure("Broken symlink wasn't replaced with dir"); + assertIsDir("dest1/dir2", -1); + /* dest1/dir3 symlink should be replaced */ + failure("Symlink to non-dir wasn't replaced with dir"); + assertIsDir("dest1/dir3", -1); + /* dest1/file symlink should be replaced */ + failure("Symlink to existing file should be replaced"); + assertIsReg("dest1/file", -1); + /* dest1/file2 symlink should be replaced */ + failure("Symlink to non-existing file should be replaced"); + assertIsReg("dest1/file2", -1); + + /* + * Extract with both -x and -P + */ + assertMakeDir("dest2", 0755); + /* "dir" is a symlink to existing "real_dir" */ + assertMakeDir("dest2/real_dir", 0755); + if (canSymlink()) + assertMakeSymlink("dest2/dir", "real_dir"); + /* "dir2" is a symlink to a non-existing "real_dir2" */ + if (canSymlink()) + assertMakeSymlink("dest2/dir2", "real_dir2"); + /* "dir3" is a symlink to an existing "non_dir3" */ + assertEqualInt(0, mkfile("dest2/non_dir3", 0755, "abcdefgh", 8)); + if (canSymlink()) + assertMakeSymlink("dest2/dir3", "non_dir3"); + /* "file" is a symlink to existing "real_file" */ + assertEqualInt(0, mkfile("dest2/real_file", 0755, "abcdefghi", 9)); + if (canSymlink()) + assertMakeSymlink("dest2/file", "real_file"); + /* "file2" is a symlink to non-existing "real_file2" */ + if (canSymlink()) + assertMakeSymlink("dest2/file2", "real_file2"); + assertEqualInt(0, systemf("%s -xPf test.tar -C dest2", testprog)); + + /* dest2/dir symlink should be followed */ + if (canSymlink()) { + assertIsSymlink("dest2/dir", "real_dir"); + assertIsDir("dest2/real_dir", -1); + } + + /* Contents of 'dir' should be restored */ + assertIsDir("dest2/dir/d", -1); + assertIsReg("dest2/dir/f", -1); + assertFileSize("dest2/dir/f", 3); + /* dest2/dir2 symlink should be removed */ + failure("Broken symlink wasn't replaced with dir"); + assertIsDir("dest2/dir2", -1); + /* dest2/dir3 symlink should be removed */ + failure("Symlink to non-dir wasn't replaced with dir"); + assertIsDir("dest2/dir3", -1); + /* dest2/file symlink should be removed; + * even -P shouldn't follow symlinks for files */ + failure("Symlink to existing file should be removed"); + assertIsReg("dest2/file", -1); + /* dest2/file2 symlink should be removed */ + failure("Symlink to non-existing file should be removed"); + assertIsReg("dest2/file2", -1); +} |