libarchive/test/test_acl_freebsd_posix1e.c - third_party/libarchive - Git at Google

 /*-
  * Copyright (c) 2003-2008 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_freebsd.c 189427 2009-03-06 04:21:23Z kientzle $");

 #if defined(__FreeBSD__) && __FreeBSD__ > 4
 #include <sys/acl.h>

 struct myacl_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 myacl_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, "" },
 	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS,
 	  ARCHIVE_ENTRY_ACL_WRITE | ARCHIVE_ENTRY_ACL_READ | ARCHIVE_ENTRY_ACL_EXECUTE,
 	  ARCHIVE_ENTRY_ACL_MASK, -1, "" },
 	{ 0, 0, 0, 0, NULL }
 };

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

 	archive_entry_acl_clear(ae);
 	for (i = 0; acls[i].name != NULL; 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(acl_entry_t aclent, struct myacl_t *myacl)
 {
 	gid_t g, *gp;
 	uid_t u, *up;
 	acl_tag_t tag_type;
 	acl_permset_t opaque_ps;
 	int permset = 0;

 	acl_get_tag_type(aclent, &tag_type);

 	/* translate the silly opaque permset to a bitmap */
 	acl_get_permset(aclent, &opaque_ps);
 	if (acl_get_perm_np(opaque_ps, ACL_EXECUTE))
 		permset |= ARCHIVE_ENTRY_ACL_EXECUTE;
 	if (acl_get_perm_np(opaque_ps, ACL_WRITE))
 		permset |= ARCHIVE_ENTRY_ACL_WRITE;
 	if (acl_get_perm_np(opaque_ps, ACL_READ))
 		permset |= ARCHIVE_ENTRY_ACL_READ;

 	if (permset != myacl->permset)
 		return (0);

 	switch (tag_type) {
 	case ACL_USER_OBJ:
 		if (myacl->tag != ARCHIVE_ENTRY_ACL_USER_OBJ) return (0);
 		break;
 	case ACL_USER:
 		if (myacl->tag != ARCHIVE_ENTRY_ACL_USER)
 			return (0);
 		up = acl_get_qualifier(aclent);
 		u = *up;
 		acl_free(up);
 		if ((uid_t)myacl->qual != u)
 			return (0);
 		break;
 	case ACL_GROUP_OBJ:
 		if (myacl->tag != ARCHIVE_ENTRY_ACL_GROUP_OBJ) return (0);
 		break;
 	case ACL_GROUP:
 		if (myacl->tag != ARCHIVE_ENTRY_ACL_GROUP)
 			return (0);
 		gp = acl_get_qualifier(aclent);
 		g = *gp;
 		acl_free(gp);
 		if ((gid_t)myacl->qual != g)
 			return (0);
 		break;
 	case ACL_MASK:
 		if (myacl->tag != ARCHIVE_ENTRY_ACL_MASK) return (0);
 		break;
 	case ACL_OTHER:
 		if (myacl->tag != ARCHIVE_ENTRY_ACL_OTHER) return (0);
 		break;
 	}
 	return (1);
 }

 static void
 compare_acls(acl_t acl, struct myacl_t *myacls)
 {
 	int *marker;
 	int entry_id = ACL_FIRST_ENTRY;
 	int matched;
 	int i, n;
 	acl_entry_t acl_entry;

 	/* Count ACL entries in myacls array and allocate an indirect array. */
 	for (n = 0; myacls[n].name != NULL; ++n)
 		continue;
 	if (n) {
 		marker = malloc(sizeof(marker[0]) * n);
 		if (marker == NULL)
 			return;
 		for (i = 0; i < n; i++)
 			marker[i] = i;
 	} else
 		marker = NULL;

 	/*
 	 * Iterate over acls in system acl object, try to match each
 	 * one with an item in the myacls array.
 	 */
 	while (1 == acl_get_entry(acl, entry_id, &acl_entry)) {
 		/* After the first time... */
 		entry_id = ACL_NEXT_ENTRY;

 		/* Search for a matching entry (tag and qualifier) */
 		for (i = 0, matched = 0; i < n && !matched; i++) {
 			if (acl_match(acl_entry, &myacls[marker[i]])) {
 				/* We found a match; remove it. */
 				marker[i] = marker[n - 1];
 				n--;
 				matched = 1;
 			}
 		}

 		/* TODO: Print out more details in this case. */
 		failure("ACL entry on file that shouldn't be there");
 		assert(matched == 1);
 	}

 	/* Dump entries in the myacls array that weren't in the system acl. */
 	for (i = 0; i < n; ++i) {
 		failure(" ACL entry missing from file: "
 		    "type=%d,permset=%d,tag=%d,qual=%d,name=``%s''\n",
 		    myacls[marker[i]].type, myacls[marker[i]].permset,
 		    myacls[marker[i]].tag, myacls[marker[i]].qual,
 		    myacls[marker[i]].name);
 		assert(0); /* Record this as a failure. */
 	}
 	free(marker);
 }

 #endif


 /*
  * Verify ACL restore-to-disk.  This test is FreeBSD-specific.
  */

 DEFINE_TEST(test_acl_freebsd_posix1e)
 {
 #if !defined(__FreeBSD__)
 	skipping("FreeBSD-specific ACL restore test");
 #elif __FreeBSD__ < 5
 	skipping("ACL restore supported only on FreeBSD 5.0 and later");
 #else
 	struct stat st;
 	struct archive *a;
 	struct archive_entry *ae;
 	int n, fd;
 	acl_t acl;

 	/*
 	 * First, do a quick manual set/read of ACL data to
 	 * verify that the local filesystem does support ACLs.
 	 * If it doesn't, we'll simply skip the remaining tests.
 	 */
 	acl = acl_from_text("u::rwx,u:1:rw,g::rwx,g:15:rx,o::rwx,m::rwx");
 	assert((void *)acl != NULL);
 	/* Create a test file and try to set an ACL on it. */
 	fd = open("pretest", O_WRONLY | O_CREAT | O_EXCL, 0777);
 	failure("Could not create test file?!");
 	if (!assert(fd >= 0)) {
 		acl_free(acl);
 		return;
 	}

 	n = acl_set_fd(fd, acl);
 	acl_free(acl);
 	if (n != 0 && errno == EOPNOTSUPP) {
 		close(fd);
 		skipping("ACL tests require that ACL support be enabled on the filesystem");
 		return;
 	}
 	if (n != 0 && errno == EINVAL) {
 		close(fd);
 		skipping("This filesystem does not support POSIX.1e ACLs");
 		return;
 	}
 	failure("acl_set_fd(): errno = %d (%s)",
 	    errno, strerror(errno));
 	assertEqualInt(0, n);
 	close(fd);

 	/* Create a write-to-disk object. */
 	assert(NULL != (a = archive_write_disk_new()));
 	archive_write_disk_set_options(a,
 	    ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_ACL);

 	/* Populate an archive entry with some metadata, including ACL info */
 	ae = archive_entry_new();
 	assert(ae != NULL);
 	archive_entry_set_pathname(ae, "test0");
 	archive_entry_set_mtime(ae, 123456, 7890);
 	archive_entry_set_size(ae, 0);
 	set_acls(ae, acls2);
 	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
 	archive_entry_free(ae);

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

 	/* Verify the data on disk. */
 	assertEqualInt(0, stat("test0", &st));
 	assertEqualInt(st.st_mtime, 123456);
 	acl = acl_get_file("test0", ACL_TYPE_ACCESS);
 	assert(acl != (acl_t)NULL);
 	compare_acls(acl, acls2);
 	acl_free(acl);
 #endif
 }
	/*-
	* Copyright (c) 2003-2008 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_freebsd.c 189427 2009-03-06 04:21:23Z kientzle $");

	#if defined(__FreeBSD__) && __FreeBSD__ > 4
	#include <sys/acl.h>

	struct myacl_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 myacl_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, "" },
	{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS,
	ARCHIVE_ENTRY_ACL_WRITE \| ARCHIVE_ENTRY_ACL_READ \| ARCHIVE_ENTRY_ACL_EXECUTE,
	ARCHIVE_ENTRY_ACL_MASK, -1, "" },
	{ 0, 0, 0, 0, NULL }
	};

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

	archive_entry_acl_clear(ae);
	for (i = 0; acls[i].name != NULL; 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(acl_entry_t aclent, struct myacl_t *myacl)
	{
	gid_t g, *gp;
	uid_t u, *up;
	acl_tag_t tag_type;
	acl_permset_t opaque_ps;
	int permset = 0;

	acl_get_tag_type(aclent, &tag_type);

	/* translate the silly opaque permset to a bitmap */
	acl_get_permset(aclent, &opaque_ps);
	if (acl_get_perm_np(opaque_ps, ACL_EXECUTE))
	permset \|= ARCHIVE_ENTRY_ACL_EXECUTE;
	if (acl_get_perm_np(opaque_ps, ACL_WRITE))
	permset \|= ARCHIVE_ENTRY_ACL_WRITE;
	if (acl_get_perm_np(opaque_ps, ACL_READ))
	permset \|= ARCHIVE_ENTRY_ACL_READ;

	if (permset != myacl->permset)
	return (0);

	switch (tag_type) {
	case ACL_USER_OBJ:
	if (myacl->tag != ARCHIVE_ENTRY_ACL_USER_OBJ) return (0);
	break;
	case ACL_USER:
	if (myacl->tag != ARCHIVE_ENTRY_ACL_USER)
	return (0);
	up = acl_get_qualifier(aclent);
	u = *up;
	acl_free(up);
	if ((uid_t)myacl->qual != u)
	return (0);
	break;
	case ACL_GROUP_OBJ:
	if (myacl->tag != ARCHIVE_ENTRY_ACL_GROUP_OBJ) return (0);
	break;
	case ACL_GROUP:
	if (myacl->tag != ARCHIVE_ENTRY_ACL_GROUP)
	return (0);
	gp = acl_get_qualifier(aclent);
	g = *gp;
	acl_free(gp);
	if ((gid_t)myacl->qual != g)
	return (0);
	break;
	case ACL_MASK:
	if (myacl->tag != ARCHIVE_ENTRY_ACL_MASK) return (0);
	break;
	case ACL_OTHER:
	if (myacl->tag != ARCHIVE_ENTRY_ACL_OTHER) return (0);
	break;
	}
	return (1);
	}

	static void
	compare_acls(acl_t acl, struct myacl_t *myacls)
	{
	int *marker;
	int entry_id = ACL_FIRST_ENTRY;
	int matched;
	int i, n;
	acl_entry_t acl_entry;

	/* Count ACL entries in myacls array and allocate an indirect array. */
	for (n = 0; myacls[n].name != NULL; ++n)
	continue;
	if (n) {
	marker = malloc(sizeof(marker[0]) * n);
	if (marker == NULL)
	return;
	for (i = 0; i < n; i++)
	marker[i] = i;
	} else
	marker = NULL;

	/*
	* Iterate over acls in system acl object, try to match each
	* one with an item in the myacls array.
	*/
	while (1 == acl_get_entry(acl, entry_id, &acl_entry)) {
	/* After the first time... */
	entry_id = ACL_NEXT_ENTRY;

	/* Search for a matching entry (tag and qualifier) */
	for (i = 0, matched = 0; i < n && !matched; i++) {
	if (acl_match(acl_entry, &myacls[marker[i]])) {
	/* We found a match; remove it. */
	marker[i] = marker[n - 1];
	n--;
	matched = 1;
	}
	}

	/* TODO: Print out more details in this case. */
	failure("ACL entry on file that shouldn't be there");
	assert(matched == 1);
	}

	/* Dump entries in the myacls array that weren't in the system acl. */
	for (i = 0; i < n; ++i) {
	failure(" ACL entry missing from file: "
	"type=%d,permset=%d,tag=%d,qual=%d,name=``%s''\n",
	myacls[marker[i]].type, myacls[marker[i]].permset,
	myacls[marker[i]].tag, myacls[marker[i]].qual,
	myacls[marker[i]].name);
	assert(0); /* Record this as a failure. */
	}
	free(marker);
	}

	#endif


	/*
	* Verify ACL restore-to-disk. This test is FreeBSD-specific.
	*/

	DEFINE_TEST(test_acl_freebsd_posix1e)
	{
	#if !defined(__FreeBSD__)
	skipping("FreeBSD-specific ACL restore test");
	#elif __FreeBSD__ < 5
	skipping("ACL restore supported only on FreeBSD 5.0 and later");
	#else
	struct stat st;
	struct archive *a;
	struct archive_entry *ae;
	int n, fd;
	acl_t acl;

	/*
	* First, do a quick manual set/read of ACL data to
	* verify that the local filesystem does support ACLs.
	* If it doesn't, we'll simply skip the remaining tests.
	*/
	acl = acl_from_text("u::rwx,u:1:rw,g::rwx,g:15:rx,o::rwx,m::rwx");
	assert((void *)acl != NULL);
	/* Create a test file and try to set an ACL on it. */
	fd = open("pretest", O_WRONLY \| O_CREAT \| O_EXCL, 0777);
	failure("Could not create test file?!");
	if (!assert(fd >= 0)) {
	acl_free(acl);
	return;
	}

	n = acl_set_fd(fd, acl);
	acl_free(acl);
	if (n != 0 && errno == EOPNOTSUPP) {
	close(fd);
	skipping("ACL tests require that ACL support be enabled on the filesystem");
	return;
	}
	if (n != 0 && errno == EINVAL) {
	close(fd);
	skipping("This filesystem does not support POSIX.1e ACLs");
	return;
	}
	failure("acl_set_fd(): errno = %d (%s)",
	errno, strerror(errno));
	assertEqualInt(0, n);
	close(fd);

	/* Create a write-to-disk object. */
	assert(NULL != (a = archive_write_disk_new()));
	archive_write_disk_set_options(a,
	ARCHIVE_EXTRACT_TIME \| ARCHIVE_EXTRACT_PERM \| ARCHIVE_EXTRACT_ACL);

	/* Populate an archive entry with some metadata, including ACL info */
	ae = archive_entry_new();
	assert(ae != NULL);
	archive_entry_set_pathname(ae, "test0");
	archive_entry_set_mtime(ae, 123456, 7890);
	archive_entry_set_size(ae, 0);
	set_acls(ae, acls2);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);

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

	/* Verify the data on disk. */
	assertEqualInt(0, stat("test0", &st));
	assertEqualInt(st.st_mtime, 123456);
	acl = acl_get_file("test0", ACL_TYPE_ACCESS);
	assert(acl != (acl_t)NULL);
	compare_acls(acl, acls2);
	acl_free(acl);
	#endif
	}