cpio/test/test_basic.c - third_party/libarchive - Git at Google

 /*-
  * 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/cpio/test/test_basic.c,v 1.4 2008/08/25 06:39:29 kientzle Exp $");

 static void
 verify_files(const char *target)
 {
 	struct stat st, st2;
 	char buff[128];
 	int r;

 	/*
 	 * Verify unpacked files.
 	 */

 	/* Regular file with 2 links. */
 	r = lstat("file", &st);
 	failure("Failed to stat file %s/file, errno=%d", target, errno);
 	assertEqualInt(r, 0);
 	if (r == 0) {
 		assert(S_ISREG(st.st_mode));
 		assertEqualInt(0644, st.st_mode & 0777);
 		assertEqualInt(10, st.st_size);
 		failure("file %s/file should have 2 links", target);
 		assertEqualInt(2, st.st_nlink);
 	}

 	/* Another name for the same file. */
 	r = lstat("linkfile", &st2);
 	failure("Failed to stat file %s/linkfile, errno=%d", target, errno);
 	assertEqualInt(r, 0);
 	if (r == 0) {
 		assert(S_ISREG(st2.st_mode));
 		assertEqualInt(0644, st2.st_mode & 0777);
 		assertEqualInt(10, st2.st_size);
 		failure("file %s/linkfile should have 2 links", target);
 		assertEqualInt(2, st2.st_nlink);
 		/* Verify that the two are really hardlinked. */
 		assertEqualInt(st.st_dev, st2.st_dev);
 		failure("%s/linkfile and %s/file should be hardlinked",
 		    target, target);
 		assertEqualInt(st.st_ino, st2.st_ino);
 	}

 	/* Symlink */
 	r = lstat("symlink", &st);
 	failure("Failed to stat file %s/symlink, errno=%d", target, errno);
 	assertEqualInt(r, 0);
 	if (r == 0) {
 		failure("symlink should be a symlink; actual mode is %o",
 		    st.st_mode);
 		assert(S_ISLNK(st.st_mode));
 		if (S_ISLNK(st.st_mode)) {
 			r = readlink("symlink", buff, sizeof(buff));
 			assertEqualInt(r, 4);
 			buff[r] = '\0';
 			assertEqualString(buff, "file");
 		}
 	}

 	/* Another file with 1 link and different permissions. */
 	r = lstat("file2", &st);
 	failure("Failed to stat file %s/file2, errno=%d", target, errno);
 	assertEqualInt(r, 0);
 	if (r == 0) {
 		assert(S_ISREG(st.st_mode));
 		failure("%s/file2: st.st_mode = %o", target, st.st_mode);
 		assertEqualInt(0777, st.st_mode & 0777);
 		assertEqualInt(10, st.st_size);
 		failure("file %s/file2 should have 1 link", target);
 		assertEqualInt(1, st.st_nlink);
 	}

 	/* dir */
 	r = lstat("dir", &st);
 	if (r == 0) {
 		assertEqualInt(r, 0);
 		assert(S_ISDIR(st.st_mode));
 		failure("%s/dir: st.st_mode = %o", target, st.st_mode);
 		assertEqualInt(0775, st.st_mode & 0777);
 	}
 }

 static void
 basic_cpio(const char *target,
     const char *pack_options,
     const char *unpack_options,
     const char *se)
 {
 	int r;

 	if (!assertEqualInt(0, mkdir(target, 0775)))
 	    return;

 	/* Use the cpio program to create an archive. */
 	r = systemf("%s -o %s < filelist >%s/archive 2>%s/pack.err",
 	    testprog, pack_options, target, target);
 	failure("Error invoking %s -o %s", testprog, pack_options);
 	assertEqualInt(r, 0);

 	chdir(target);

 	/* Verify stderr. */
 	failure("Expected: %s, options=%s", se, pack_options);
 	assertFileContents(se, strlen(se), "pack.err");

 	/*
 	 * Use cpio to unpack the archive into another directory.
 	 */
 	r = systemf("%s -i %s< archive >unpack.out 2>unpack.err",
 	    testprog, unpack_options);
 	failure("Error invoking %s -i %s", testprog, unpack_options);
 	assertEqualInt(r, 0);

 	/* Verify stderr. */
 	failure("Error invoking %s -i %s in dir %s", testprog, unpack_options, target);
 	assertFileContents(se, strlen(se), "unpack.err");

 	verify_files(target);

 	chdir("..");
 }

 static void
 passthrough(const char *target)
 {
 	int r;

 	if (!assertEqualInt(0, mkdir(target, 0775)))
 		return;

 	/*
 	 * Use cpio passthrough mode to copy files to another directory.
 	 */
 	r = systemf("%s -p %s <filelist >%s/stdout 2>%s/stderr",
 	    testprog, target, target, target);
 	failure("Error invoking %s -p", testprog);
 	assertEqualInt(r, 0);

 	chdir(target);

 	/* Verify stderr. */
 	failure("Error invoking %s -p in dir %s",
 	    testprog, target);
 	assertFileContents("1 block\n", 8, "stderr");

 	verify_files(target);
 	chdir("..");
 }

 DEFINE_TEST(test_basic)
 {
 	int fd;
 	int filelist;
 	int oldumask;

 	oldumask = umask(0);

 	/*
 	 * Create an assortment of files on disk.
 	 */
 	filelist = open("filelist", O_CREAT | O_WRONLY, 0644);

 	/* File with 10 bytes content. */
 	fd = open("file", O_CREAT | O_WRONLY, 0644);
 	assert(fd >= 0);
 	assertEqualInt(10, write(fd, "123456789", 10));
 	close(fd);
 	write(filelist, "file\n", 5);

 	/* hardlink to above file. */
 	assertEqualInt(0, link("file", "linkfile"));
 	write(filelist, "linkfile\n", 9);

 	/* Symlink to above file. */
 	assertEqualInt(0, symlink("file", "symlink"));
 	write(filelist, "symlink\n", 8);

 	/* Another file with different permissions. */
 	fd = open("file2", O_CREAT | O_WRONLY, 0777);
 	assert(fd >= 0);
 	assertEqualInt(10, write(fd, "123456789", 10));
 	close(fd);
 	write(filelist, "file2\n", 6);

 	/* Directory. */
 	assertEqualInt(0, mkdir("dir", 0775));
 	write(filelist, "dir\n", 4);
 	/* All done. */
 	close(filelist);

 	umask(022);

 	/* Archive/dearchive with a variety of options. */
 	basic_cpio("copy", "", "", "2 blocks\n");
 	basic_cpio("copy_odc", "--format=odc", "", "2 blocks\n");
 	basic_cpio("copy_newc", "-H newc", "", "2 blocks\n");
 	basic_cpio("copy_cpio", "-H odc", "", "2 blocks\n");
 	basic_cpio("copy_ustar", "-H ustar", "", "9 blocks\n");
 	/* Copy in one step using -p */
 	passthrough("passthrough");

 	umask(oldumask);
 }
	/*-
	* 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/cpio/test/test_basic.c,v 1.4 2008/08/25 06:39:29 kientzle Exp $");

	static void
	verify_files(const char *target)
	{
	struct stat st, st2;
	char buff[128];
	int r;

	/*
	* Verify unpacked files.
	*/

	/* Regular file with 2 links. */
	r = lstat("file", &st);
	failure("Failed to stat file %s/file, errno=%d", target, errno);
	assertEqualInt(r, 0);
	if (r == 0) {
	assert(S_ISREG(st.st_mode));
	assertEqualInt(0644, st.st_mode & 0777);
	assertEqualInt(10, st.st_size);
	failure("file %s/file should have 2 links", target);
	assertEqualInt(2, st.st_nlink);
	}

	/* Another name for the same file. */
	r = lstat("linkfile", &st2);
	failure("Failed to stat file %s/linkfile, errno=%d", target, errno);
	assertEqualInt(r, 0);
	if (r == 0) {
	assert(S_ISREG(st2.st_mode));
	assertEqualInt(0644, st2.st_mode & 0777);
	assertEqualInt(10, st2.st_size);
	failure("file %s/linkfile should have 2 links", target);
	assertEqualInt(2, st2.st_nlink);
	/* Verify that the two are really hardlinked. */
	assertEqualInt(st.st_dev, st2.st_dev);
	failure("%s/linkfile and %s/file should be hardlinked",
	target, target);
	assertEqualInt(st.st_ino, st2.st_ino);
	}

	/* Symlink */
	r = lstat("symlink", &st);
	failure("Failed to stat file %s/symlink, errno=%d", target, errno);
	assertEqualInt(r, 0);
	if (r == 0) {
	failure("symlink should be a symlink; actual mode is %o",
	st.st_mode);
	assert(S_ISLNK(st.st_mode));
	if (S_ISLNK(st.st_mode)) {
	r = readlink("symlink", buff, sizeof(buff));
	assertEqualInt(r, 4);
	buff[r] = '\0';
	assertEqualString(buff, "file");
	}
	}

	/* Another file with 1 link and different permissions. */
	r = lstat("file2", &st);
	failure("Failed to stat file %s/file2, errno=%d", target, errno);
	assertEqualInt(r, 0);
	if (r == 0) {
	assert(S_ISREG(st.st_mode));
	failure("%s/file2: st.st_mode = %o", target, st.st_mode);
	assertEqualInt(0777, st.st_mode & 0777);
	assertEqualInt(10, st.st_size);
	failure("file %s/file2 should have 1 link", target);
	assertEqualInt(1, st.st_nlink);
	}

	/* dir */
	r = lstat("dir", &st);
	if (r == 0) {
	assertEqualInt(r, 0);
	assert(S_ISDIR(st.st_mode));
	failure("%s/dir: st.st_mode = %o", target, st.st_mode);
	assertEqualInt(0775, st.st_mode & 0777);
	}
	}

	static void
	basic_cpio(const char *target,
	const char *pack_options,
	const char *unpack_options,
	const char *se)
	{
	int r;

	if (!assertEqualInt(0, mkdir(target, 0775)))
	return;

	/* Use the cpio program to create an archive. */
	r = systemf("%s -o %s < filelist >%s/archive 2>%s/pack.err",
	testprog, pack_options, target, target);
	failure("Error invoking %s -o %s", testprog, pack_options);
	assertEqualInt(r, 0);

	chdir(target);

	/* Verify stderr. */
	failure("Expected: %s, options=%s", se, pack_options);
	assertFileContents(se, strlen(se), "pack.err");

	/*
	* Use cpio to unpack the archive into another directory.
	*/
	r = systemf("%s -i %s< archive >unpack.out 2>unpack.err",
	testprog, unpack_options);
	failure("Error invoking %s -i %s", testprog, unpack_options);
	assertEqualInt(r, 0);

	/* Verify stderr. */
	failure("Error invoking %s -i %s in dir %s", testprog, unpack_options, target);
	assertFileContents(se, strlen(se), "unpack.err");

	verify_files(target);

	chdir("..");
	}

	static void
	passthrough(const char *target)
	{
	int r;

	if (!assertEqualInt(0, mkdir(target, 0775)))
	return;

	/*
	* Use cpio passthrough mode to copy files to another directory.
	*/
	r = systemf("%s -p %s <filelist >%s/stdout 2>%s/stderr",
	testprog, target, target, target);
	failure("Error invoking %s -p", testprog);
	assertEqualInt(r, 0);

	chdir(target);

	/* Verify stderr. */
	failure("Error invoking %s -p in dir %s",
	testprog, target);
	assertFileContents("1 block\n", 8, "stderr");

	verify_files(target);
	chdir("..");
	}

	DEFINE_TEST(test_basic)
	{
	int fd;
	int filelist;
	int oldumask;

	oldumask = umask(0);

	/*
	* Create an assortment of files on disk.
	*/
	filelist = open("filelist", O_CREAT \| O_WRONLY, 0644);

	/* File with 10 bytes content. */
	fd = open("file", O_CREAT \| O_WRONLY, 0644);
	assert(fd >= 0);
	assertEqualInt(10, write(fd, "123456789", 10));
	close(fd);
	write(filelist, "file\n", 5);

	/* hardlink to above file. */
	assertEqualInt(0, link("file", "linkfile"));
	write(filelist, "linkfile\n", 9);

	/* Symlink to above file. */
	assertEqualInt(0, symlink("file", "symlink"));
	write(filelist, "symlink\n", 8);

	/* Another file with different permissions. */
	fd = open("file2", O_CREAT \| O_WRONLY, 0777);
	assert(fd >= 0);
	assertEqualInt(10, write(fd, "123456789", 10));
	close(fd);
	write(filelist, "file2\n", 6);

	/* Directory. */
	assertEqualInt(0, mkdir("dir", 0775));
	write(filelist, "dir\n", 4);
	/* All done. */
	close(filelist);

	umask(022);

	/* Archive/dearchive with a variety of options. */
	basic_cpio("copy", "", "", "2 blocks\n");
	basic_cpio("copy_odc", "--format=odc", "", "2 blocks\n");
	basic_cpio("copy_newc", "-H newc", "", "2 blocks\n");
	basic_cpio("copy_cpio", "-H odc", "", "2 blocks\n");
	basic_cpio("copy_ustar", "-H ustar", "", "9 blocks\n");
	/* Copy in one step using -p */
	passthrough("passthrough");

	umask(oldumask);
	}