libarchive/test/test_acl_pax.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: head/lib/libarchive/test/test_acl_pax.c 201247 2009-12-30 05:59:21Z kientzle $");

 /*
  * Exercise the system-independent portion of the ACL support.
  * Check that pax archive can save and restore ACL data.
  *
  * This should work on all systems, regardless of whether local
  * filesystems support ACLs or not.
  */

 static unsigned char buff[16384];

 struct acl_t {
 	int type;  /* Type of ACL: "access" or "default" */
 	int permset; /* Permissions for this class of users. */
 	int tag; /* Owner, User, Owning group, group, other, etc. */
 	int qual; /* GID or UID of user/group, depending on tag. */
 	const char *name; /* Name of user/group, depending on tag. */
 };

 static struct acl_t acls0[] = {
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_EXECUTE,
 	  ARCHIVE_ENTRY_ACL_USER_OBJ, 0, "" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
 	  ARCHIVE_ENTRY_ACL_GROUP_OBJ, 0, "" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_WRITE,
 	  ARCHIVE_ENTRY_ACL_OTHER, 0, "" },
 };

 static struct acl_t acls1[] = {
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_EXECUTE,
 	  ARCHIVE_ENTRY_ACL_USER_OBJ, -1, "" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
 	  ARCHIVE_ENTRY_ACL_USER, 77, "user77" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
 	  ARCHIVE_ENTRY_ACL_GROUP_OBJ, -1, "" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_WRITE,
 	  ARCHIVE_ENTRY_ACL_OTHER, -1, "" },
 };

 static struct acl_t acls2[] = {
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_EXECUTE | ARCHIVE_ENTRY_ACL_READ,
 	  ARCHIVE_ENTRY_ACL_USER_OBJ, -1, "" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
 	  ARCHIVE_ENTRY_ACL_USER, 77, "user77" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, 0,
 	  ARCHIVE_ENTRY_ACL_USER, 78, "user78" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
 	  ARCHIVE_ENTRY_ACL_GROUP_OBJ, -1, "" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, 0007,
 	  ARCHIVE_ENTRY_ACL_GROUP, 78, "group78" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_WRITE | ARCHIVE_ENTRY_ACL_EXECUTE,
 	  ARCHIVE_ENTRY_ACL_OTHER, -1, "" },
 };

 static void
 set_acls(struct archive_entry *ae, struct acl_t *acls, int n)
 {
 	int i;

 	archive_entry_acl_clear(ae);
 	for (i = 0; i < n; i++) {
 		archive_entry_acl_add_entry(ae,
 		    acls[i].type, acls[i].permset, acls[i].tag, acls[i].qual,
 		    acls[i].name);
 	}
 }

 static int
 acl_match(struct acl_t *acl, int type, int permset, int tag, int qual, const char *name)
 {
 	if (type != acl->type)
 		return (0);
 	if (permset != acl->permset)
 		return (0);
 	if (tag != acl->tag)
 		return (0);
 	if (tag == ARCHIVE_ENTRY_ACL_USER_OBJ)
 		return (1);
 	if (tag == ARCHIVE_ENTRY_ACL_GROUP_OBJ)
 		return (1);
 	if (tag == ARCHIVE_ENTRY_ACL_OTHER)
 		return (1);
 	if (qual != acl->qual)
 		return (0);
 	if (name == NULL)
 		return (acl->name == NULL || acl->name[0] == '\0');
 	if (acl->name == NULL)
 		return (name == NULL || name[0] == '\0');
 	return (0 == strcmp(name, acl->name));
 }

 static void
 compare_acls(struct archive_entry *ae, struct acl_t *acls, int n, int mode)
 {
 	int *marker = malloc(sizeof(marker[0]) * n);
 	int i;
 	int r;
 	int type, permset, tag, qual;
 	int matched;
 	const char *name;

 	for (i = 0; i < n; i++)
 		marker[i] = i;

 	while (0 == (r = archive_entry_acl_next(ae,
 			 ARCHIVE_ENTRY_ACL_TYPE_ACCESS,
 			 &type, &permset, &tag, &qual, &name))) {
 		for (i = 0, matched = 0; i < n && !matched; i++) {
 			if (acl_match(&acls[marker[i]], type, permset,
 				tag, qual, name)) {
 				/* We found a match; remove it. */
 				marker[i] = marker[n - 1];
 				n--;
 				matched = 1;
 			}
 		}
 		if (tag == ARCHIVE_ENTRY_ACL_USER_OBJ) {
 			if (!matched) printf("No match for user_obj perm\n");
 			failure("USER_OBJ permset (%02o) != user mode (%02o)",
 			    permset, 07 & (mode >> 6));
 			assert((permset << 6) == (mode & 0700));
 		} else if (tag == ARCHIVE_ENTRY_ACL_GROUP_OBJ) {
 			if (!matched) printf("No match for group_obj perm\n");
 			failure("GROUP_OBJ permset %02o != group mode %02o",
 			    permset, 07 & (mode >> 3));
 			assert((permset << 3) == (mode & 0070));
 		} else if (tag == ARCHIVE_ENTRY_ACL_OTHER) {
 			if (!matched) printf("No match for other perm\n");
 			failure("OTHER permset (%02o) != other mode (%02o)",
 			    permset, mode & 07);
 			assert((permset << 0) == (mode & 0007));
 		} else {
 			failure("Could not find match for ACL "
 			    "(type=%d,permset=%d,tag=%d,qual=%d,name=``%s'')",
 			    type, permset, tag, qual, name);
 			assert(matched == 1);
 		}
 	}
 	assertEqualInt(ARCHIVE_EOF, r);
 	assert((mode_t)(mode & 0777) == (archive_entry_mode(ae) & 0777));
 	failure("Could not find match for ACL "
 	    "(type=%d,permset=%d,tag=%d,qual=%d,name=``%s'')",
 	    acls[marker[0]].type, acls[marker[0]].permset,
 	    acls[marker[0]].tag, acls[marker[0]].qual, acls[marker[0]].name);
 	assert(n == 0); /* Number of ACLs not matched should == 0 */
 	free(marker);
 }

 DEFINE_TEST(test_acl_pax)
 {
 	struct archive *a;
 	struct archive_entry *ae;
 	size_t used;
 	FILE *f;
 	void *reference;
 	size_t reference_size;

 	/* Write an archive to memory. */
 	assert(NULL != (a = archive_write_new()));
 	assertA(0 == archive_write_set_format_pax(a));
 	assertA(0 == archive_write_add_filter_none(a));
 	assertA(0 == archive_write_set_bytes_per_block(a, 1));
 	assertA(0 == archive_write_set_bytes_in_last_block(a, 1));
 	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));

 	/* Write a series of files to the archive with different ACL info. */

 	/* Create a simple archive_entry. */
 	assert((ae = archive_entry_new()) != NULL);
 	archive_entry_set_pathname(ae, "file");
         archive_entry_set_mode(ae, S_IFREG | 0777);

 	/* Basic owner/owning group should just update mode bits. */
 	set_acls(ae, acls0, sizeof(acls0)/sizeof(acls0[0]));
 	assertA(0 == archive_write_header(a, ae));

 	/* With any extended ACL entry, we should read back a full set. */
 	set_acls(ae, acls1, sizeof(acls1)/sizeof(acls1[0]));
 	assertA(0 == archive_write_header(a, ae));


 	/* A more extensive set of ACLs. */
 	set_acls(ae, acls2, sizeof(acls2)/sizeof(acls2[0]));
 	assertA(0 == archive_write_header(a, ae));

 	/*
 	 * Check that clearing ACLs gets rid of them all by repeating
 	 * the first test.
 	 */
 	set_acls(ae, acls0, sizeof(acls0)/sizeof(acls0[0]));
 	assertA(0 == archive_write_header(a, ae));
 	archive_entry_free(ae);

 	/* Close out the archive. */
 	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Write out the data we generated to a file for manual inspection. */
 	assert(NULL != (f = fopen("testout", "wb")));
 	assertEqualInt(used, (size_t)fwrite(buff, 1, (unsigned int)used, f));
 	fclose(f);

 	/* Write out the reference data to a file for manual inspection. */
 	extract_reference_file("test_acl_pax.tar");
 	reference = slurpfile(&reference_size, "test_acl_pax.tar");

 	/* Assert that the generated data matches the built-in reference data.*/
 	failure("Generated pax archive does not match reference; compare 'testout' to 'test_acl_pax.tar' reference file.");
 	assertEqualMem(buff, reference, reference_size);
 	failure("Generated pax archive does not match reference; compare 'testout' to 'test_acl_pax.tar' reference file.");
 	assertEqualInt((int)used, reference_size);
 	free(reference);

 	/* Read back each entry and check that the ACL data is right. */
 	assert(NULL != (a = archive_read_new()));
 	assertA(0 == archive_read_support_format_all(a));
 	assertA(0 == archive_read_support_filter_all(a));
 	assertA(0 == archive_read_open_memory(a, buff, used));

 	/* First item has no ACLs */
 	assertA(0 == archive_read_next_header(a, &ae));
 	failure("Basic ACLs shouldn't be stored as extended ACLs");
 	assert(0 == archive_entry_acl_reset(ae, ARCHIVE_ENTRY_ACL_TYPE_ACCESS));
 	failure("Basic ACLs should set mode to 0142, not %04o",
 	    archive_entry_mode(ae)&0777);
 	assert((archive_entry_mode(ae) & 0777) == 0142);

 	/* Second item has a few ACLs */
 	assertA(0 == archive_read_next_header(a, &ae));
 	failure("One extended ACL should flag all ACLs to be returned.");
 	assert(4 == archive_entry_acl_reset(ae, ARCHIVE_ENTRY_ACL_TYPE_ACCESS));
 	compare_acls(ae, acls1, sizeof(acls1)/sizeof(acls1[0]), 0142);
 	failure("Basic ACLs should set mode to 0142, not %04o",
 	    archive_entry_mode(ae)&0777);
 	assert((archive_entry_mode(ae) & 0777) == 0142);

 	/* Third item has pretty extensive ACLs */
 	assertA(0 == archive_read_next_header(a, &ae));
 	assertEqualInt(6, archive_entry_acl_reset(ae, ARCHIVE_ENTRY_ACL_TYPE_ACCESS));
 	compare_acls(ae, acls2, sizeof(acls2)/sizeof(acls2[0]), 0543);
 	failure("Basic ACLs should set mode to 0543, not %04o",
 	    archive_entry_mode(ae)&0777);
 	assert((archive_entry_mode(ae) & 0777) == 0543);

 	/* Fourth item has no ACLs */
 	assertA(0 == archive_read_next_header(a, &ae));
 	failure("Basic ACLs shouldn't be stored as extended ACLs");
 	assert(0 == archive_entry_acl_reset(ae, ARCHIVE_ENTRY_ACL_TYPE_ACCESS));
 	failure("Basic ACLs should set mode to 0142, not %04o",
 	    archive_entry_mode(ae)&0777);
 	assert((archive_entry_mode(ae) & 0777) == 0142);

 	/* Close the archive. */
 	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
 }
	/*-
	* 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: head/lib/libarchive/test/test_acl_pax.c 201247 2009-12-30 05:59:21Z kientzle $");

	/*
	* Exercise the system-independent portion of the ACL support.
	* Check that pax archive can save and restore ACL data.
	*
	* This should work on all systems, regardless of whether local
	* filesystems support ACLs or not.
	*/

	static unsigned char buff[16384];

	struct acl_t {
	int type; /* Type of ACL: "access" or "default" */
	int permset; /* Permissions for this class of users. */
	int tag; /* Owner, User, Owning group, group, other, etc. */
	int qual; /* GID or UID of user/group, depending on tag. */
	const char name; / Name of user/group, depending on tag. */
	};

	static struct acl_t acls0[] = {
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_EXECUTE,
	ARCHIVE_ENTRY_ACL_USER_OBJ, 0, "" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
	ARCHIVE_ENTRY_ACL_GROUP_OBJ, 0, "" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_WRITE,
	ARCHIVE_ENTRY_ACL_OTHER, 0, "" },
	};

	static struct acl_t acls1[] = {
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_EXECUTE,
	ARCHIVE_ENTRY_ACL_USER_OBJ, -1, "" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
	ARCHIVE_ENTRY_ACL_USER, 77, "user77" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
	ARCHIVE_ENTRY_ACL_GROUP_OBJ, -1, "" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_WRITE,
	ARCHIVE_ENTRY_ACL_OTHER, -1, "" },
	};

	static struct acl_t acls2[] = {
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_EXECUTE \| ARCHIVE_ENTRY_ACL_READ,
	ARCHIVE_ENTRY_ACL_USER_OBJ, -1, "" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
	ARCHIVE_ENTRY_ACL_USER, 77, "user77" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, 0,
	ARCHIVE_ENTRY_ACL_USER, 78, "user78" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
	ARCHIVE_ENTRY_ACL_GROUP_OBJ, -1, "" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, 0007,
	ARCHIVE_ENTRY_ACL_GROUP, 78, "group78" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_WRITE \| ARCHIVE_ENTRY_ACL_EXECUTE,
	ARCHIVE_ENTRY_ACL_OTHER, -1, "" },
	};

	static void
	set_acls(struct archive_entry ae, struct acl_t acls, int n)
	{
	int i;

	archive_entry_acl_clear(ae);
	for (i = 0; i < n; i++) {
	archive_entry_acl_add_entry(ae,
	acls[i].type, acls[i].permset, acls[i].tag, acls[i].qual,
	acls[i].name);
	}
	}

	static int
	acl_match(struct acl_t acl, int type, int permset, int tag, int qual, const char name)
	{
	if (type != acl->type)
	return (0);
	if (permset != acl->permset)
	return (0);
	if (tag != acl->tag)
	return (0);
	if (tag == ARCHIVE_ENTRY_ACL_USER_OBJ)
	return (1);
	if (tag == ARCHIVE_ENTRY_ACL_GROUP_OBJ)
	return (1);
	if (tag == ARCHIVE_ENTRY_ACL_OTHER)
	return (1);
	if (qual != acl->qual)
	return (0);
	if (name == NULL)
	return (acl->name == NULL \|\| acl->name[0] == '\0');
	if (acl->name == NULL)
	return (name == NULL \|\| name[0] == '\0');
	return (0 == strcmp(name, acl->name));
	}

	static void
	compare_acls(struct archive_entry ae, struct acl_t acls, int n, int mode)
	{
	int marker = malloc(sizeof(marker[0]) n);
	int i;
	int r;
	int type, permset, tag, qual;
	int matched;
	const char *name;

	for (i = 0; i < n; i++)
	marker[i] = i;

	while (0 == (r = archive_entry_acl_next(ae,
	ARCHIVE_ENTRY_ACL_TYPE_ACCESS,
	&type, &permset, &tag, &qual, &name))) {
	for (i = 0, matched = 0; i < n && !matched; i++) {
	if (acl_match(&acls[marker[i]], type, permset,
	tag, qual, name)) {
	/* We found a match; remove it. */
	marker[i] = marker[n - 1];
	n--;
	matched = 1;
	}
	}
	if (tag == ARCHIVE_ENTRY_ACL_USER_OBJ) {
	if (!matched) printf("No match for user_obj perm\n");
	failure("USER_OBJ permset (%02o) != user mode (%02o)",
	permset, 07 & (mode >> 6));
	assert((permset << 6) == (mode & 0700));
	} else if (tag == ARCHIVE_ENTRY_ACL_GROUP_OBJ) {
	if (!matched) printf("No match for group_obj perm\n");
	failure("GROUP_OBJ permset %02o != group mode %02o",
	permset, 07 & (mode >> 3));
	assert((permset << 3) == (mode & 0070));
	} else if (tag == ARCHIVE_ENTRY_ACL_OTHER) {
	if (!matched) printf("No match for other perm\n");
	failure("OTHER permset (%02o) != other mode (%02o)",
	permset, mode & 07);
	assert((permset << 0) == (mode & 0007));
	} else {
	failure("Could not find match for ACL "
	"(type=%d,permset=%d,tag=%d,qual=%d,name=``%s'')",
	type, permset, tag, qual, name);
	assert(matched == 1);
	}
	}
	assertEqualInt(ARCHIVE_EOF, r);
	assert((mode_t)(mode & 0777) == (archive_entry_mode(ae) & 0777));
	failure("Could not find match for ACL "
	"(type=%d,permset=%d,tag=%d,qual=%d,name=``%s'')",
	acls[marker[0]].type, acls[marker[0]].permset,
	acls[marker[0]].tag, acls[marker[0]].qual, acls[marker[0]].name);
	assert(n == 0); /* Number of ACLs not matched should == 0 */
	free(marker);
	}

	DEFINE_TEST(test_acl_pax)
	{
	struct archive *a;
	struct archive_entry *ae;
	size_t used;
	FILE *f;
	void *reference;
	size_t reference_size;

	/* Write an archive to memory. */
	assert(NULL != (a = archive_write_new()));
	assertA(0 == archive_write_set_format_pax(a));
	assertA(0 == archive_write_add_filter_none(a));
	assertA(0 == archive_write_set_bytes_per_block(a, 1));
	assertA(0 == archive_write_set_bytes_in_last_block(a, 1));
	assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));

	/* Write a series of files to the archive with different ACL info. */

	/* Create a simple archive_entry. */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_pathname(ae, "file");
	archive_entry_set_mode(ae, S_IFREG \| 0777);

	/* Basic owner/owning group should just update mode bits. */
	set_acls(ae, acls0, sizeof(acls0)/sizeof(acls0[0]));
	assertA(0 == archive_write_header(a, ae));

	/* With any extended ACL entry, we should read back a full set. */
	set_acls(ae, acls1, sizeof(acls1)/sizeof(acls1[0]));
	assertA(0 == archive_write_header(a, ae));


	/* A more extensive set of ACLs. */
	set_acls(ae, acls2, sizeof(acls2)/sizeof(acls2[0]));
	assertA(0 == archive_write_header(a, ae));

	/*
	* Check that clearing ACLs gets rid of them all by repeating
	* the first test.
	*/
	set_acls(ae, acls0, sizeof(acls0)/sizeof(acls0[0]));
	assertA(0 == archive_write_header(a, ae));
	archive_entry_free(ae);

	/* Close out the archive. */
	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Write out the data we generated to a file for manual inspection. */
	assert(NULL != (f = fopen("testout", "wb")));
	assertEqualInt(used, (size_t)fwrite(buff, 1, (unsigned int)used, f));
	fclose(f);

	/* Write out the reference data to a file for manual inspection. */
	extract_reference_file("test_acl_pax.tar");
	reference = slurpfile(&reference_size, "test_acl_pax.tar");

	/* Assert that the generated data matches the built-in reference data.*/
	failure("Generated pax archive does not match reference; compare 'testout' to 'test_acl_pax.tar' reference file.");
	assertEqualMem(buff, reference, reference_size);
	failure("Generated pax archive does not match reference; compare 'testout' to 'test_acl_pax.tar' reference file.");
	assertEqualInt((int)used, reference_size);
	free(reference);

	/* Read back each entry and check that the ACL data is right. */
	assert(NULL != (a = archive_read_new()));
	assertA(0 == archive_read_support_format_all(a));
	assertA(0 == archive_read_support_filter_all(a));
	assertA(0 == archive_read_open_memory(a, buff, used));

	/* First item has no ACLs */
	assertA(0 == archive_read_next_header(a, &ae));
	failure("Basic ACLs shouldn't be stored as extended ACLs");
	assert(0 == archive_entry_acl_reset(ae, ARCHIVE_ENTRY_ACL_TYPE_ACCESS));
	failure("Basic ACLs should set mode to 0142, not %04o",
	archive_entry_mode(ae)&0777);
	assert((archive_entry_mode(ae) & 0777) == 0142);

	/* Second item has a few ACLs */
	assertA(0 == archive_read_next_header(a, &ae));
	failure("One extended ACL should flag all ACLs to be returned.");
	assert(4 == archive_entry_acl_reset(ae, ARCHIVE_ENTRY_ACL_TYPE_ACCESS));
	compare_acls(ae, acls1, sizeof(acls1)/sizeof(acls1[0]), 0142);
	failure("Basic ACLs should set mode to 0142, not %04o",
	archive_entry_mode(ae)&0777);
	assert((archive_entry_mode(ae) & 0777) == 0142);

	/* Third item has pretty extensive ACLs */
	assertA(0 == archive_read_next_header(a, &ae));
	assertEqualInt(6, archive_entry_acl_reset(ae, ARCHIVE_ENTRY_ACL_TYPE_ACCESS));
	compare_acls(ae, acls2, sizeof(acls2)/sizeof(acls2[0]), 0543);
	failure("Basic ACLs should set mode to 0543, not %04o",
	archive_entry_mode(ae)&0777);
	assert((archive_entry_mode(ae) & 0777) == 0543);

	/* Fourth item has no ACLs */
	assertA(0 == archive_read_next_header(a, &ae));
	failure("Basic ACLs shouldn't be stored as extended ACLs");
	assert(0 == archive_entry_acl_reset(ae, ARCHIVE_ENTRY_ACL_TYPE_ACCESS));
	failure("Basic ACLs should set mode to 0142, not %04o",
	archive_entry_mode(ae)&0777);
	assert((archive_entry_mode(ae) & 0777) == 0142);

	/* Close the archive. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
	}