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      1 /*-
      2  * SPDX-License-Identifier: BSD-2-Clause
      3  *
      4  * Copyright (c) 2003-2007 Tim Kientzle
      5  * All rights reserved.
      6  */
      7 #include "test.h"
      8 
      9 static const char *
     10 make_files(void)
     11 {
     12 	FILE *f;
     13 
     14 	/* File with 10 bytes content. */
     15 	f = fopen("file", "wb");
     16 	assert(f != NULL);
     17 	assertEqualInt(10, fwrite("123456789", 1, 10, f));
     18 	fclose(f);
     19 
     20 	/* hardlink to above file. */
     21 	assertMakeHardlink("linkfile", "file");
     22 	assertIsHardlink("file", "linkfile");
     23 
     24 	/* Symlink to above file. */
     25 	if (canSymlink())
     26 		assertMakeSymlink("symlink", "file", 0);
     27 
     28 	/* Directory. */
     29 	assertMakeDir("dir", 0775);
     30 
     31 	return canSymlink()
     32 	    ? "file linkfile symlink dir"
     33 	    : "file linkfile dir";
     34 }
     35 
     36 static void
     37 verify_files(const char *target)
     38 {
     39 	assertChdir(target);
     40 
     41 	/* Regular file with 2 links. */
     42 	failure("%s", target);
     43 	assertIsReg("file", -1);
     44 	failure("%s", target);
     45 	assertFileSize("file", 10);
     46 	failure("%s", target);
     47 	assertFileContents("123456789", 10, "file");
     48 	failure("%s", target);
     49 	assertFileNLinks("file", 2);
     50 
     51 	/* Another name for the same file. */
     52 	failure("%s", target);
     53 	assertIsReg("linkfile", -1);
     54 	failure("%s", target);
     55 	assertFileSize("linkfile", 10);
     56 	assertFileContents("123456789", 10, "linkfile");
     57 	assertFileNLinks("linkfile", 2);
     58 	assertIsHardlink("file", "linkfile");
     59 
     60 	/* Symlink */
     61 	if (canSymlink())
     62 		assertIsSymlink("symlink", "file", 0);
     63 
     64 	/* dir */
     65 	failure("%s", target);
     66 	assertIsDir("dir", 0775);
     67 	assertChdir("..");
     68 }
     69 
     70 static void
     71 run_tar(const char *target, const char *pack_options,
     72     const char *unpack_options, const char *flist)
     73 {
     74 	int r;
     75 
     76 	assertMakeDir(target, 0775);
     77 
     78 	/* Use the tar program to create an archive. */
     79 	r = systemf("%s cf - %s %s >%s/archive 2>%s/pack.err", testprog, pack_options, flist, target, target);
     80 	failure("Error invoking %s cf -%s", testprog, pack_options);
     81 	assertEqualInt(r, 0);
     82 
     83 	assertChdir(target);
     84 
     85 	/* Verify that nothing went to stderr. */
     86 	assertEmptyFile("pack.err");
     87 
     88 	/*
     89 	 * Use tar to unpack the archive into another directory.
     90 	 */
     91 	r = systemf("%s xf archive %s >unpack.out 2>unpack.err",
     92 	    testprog, unpack_options);
     93 	failure("Error invoking %s xf archive %s", testprog, unpack_options);
     94 	assertEqualInt(r, 0);
     95 
     96 	/* Verify that nothing went to stderr. */
     97 	assertEmptyFile("unpack.err");
     98 	assertChdir("..");
     99 }
    100 
    101 DEFINE_TEST(test_basic)
    102 {
    103 	const char *flist;
    104 
    105 	assertUmask(0);
    106 	flist = make_files();
    107 	/* Archive/dearchive with a variety of options. */
    108 	run_tar("copy", "", "", flist);
    109 	verify_files("copy");
    110 
    111 	run_tar("copy_ustar", "--format=ustar", "", flist);
    112 	verify_files("copy_ustar");
    113 
    114 	/* tar doesn't handle cpio symlinks correctly */
    115 	/* run_tar("copy_odc", "--format=odc", ""); */
    116 }
    117