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256 lines
8.3 KiB
256 lines
8.3 KiB
/*-
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* Copyright (c) 2003-2008 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.h"
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__FBSDID("$FreeBSD: src/lib/libarchive/test/test_acl_freebsd.c,v 1.2 2008/11/17 21:06:17 kientzle Exp $");
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#if defined(__FreeBSD__) && __FreeBSD__ > 4
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#include <sys/acl.h>
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struct myacl_t {
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int type; /* Type of ACL: "access" or "default" */
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int permset; /* Permissions for this class of users. */
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int tag; /* Owner, User, Owning group, group, other, etc. */
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int qual; /* GID or UID of user/group, depending on tag. */
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const char *name; /* Name of user/group, depending on tag. */
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};
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static struct myacl_t acls2[] = {
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{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_EXECUTE | ARCHIVE_ENTRY_ACL_READ,
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ARCHIVE_ENTRY_ACL_USER_OBJ, -1, "" },
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{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
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ARCHIVE_ENTRY_ACL_USER, 77, "user77" },
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{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, 0,
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ARCHIVE_ENTRY_ACL_USER, 78, "user78" },
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{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, ARCHIVE_ENTRY_ACL_READ,
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ARCHIVE_ENTRY_ACL_GROUP_OBJ, -1, "" },
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{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, 0007,
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ARCHIVE_ENTRY_ACL_GROUP, 78, "group78" },
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{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS,
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ARCHIVE_ENTRY_ACL_WRITE | ARCHIVE_ENTRY_ACL_EXECUTE,
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ARCHIVE_ENTRY_ACL_OTHER, -1, "" },
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{ ARCHIVE_ENTRY_ACL_TYPE_ACCESS,
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ARCHIVE_ENTRY_ACL_WRITE | ARCHIVE_ENTRY_ACL_READ | ARCHIVE_ENTRY_ACL_EXECUTE,
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ARCHIVE_ENTRY_ACL_MASK, -1, "" },
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{ 0, 0, 0, 0, NULL }
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};
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static void
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set_acls(struct archive_entry *ae, struct myacl_t *acls)
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{
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int i;
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archive_entry_acl_clear(ae);
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for (i = 0; acls[i].name != NULL; i++) {
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archive_entry_acl_add_entry(ae,
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acls[i].type, acls[i].permset, acls[i].tag, acls[i].qual,
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acls[i].name);
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}
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}
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static int
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acl_match(acl_entry_t aclent, struct myacl_t *myacl)
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{
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gid_t g, *gp;
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uid_t u, *up;
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acl_tag_t tag_type;
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acl_permset_t opaque_ps;
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int permset = 0;
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acl_get_tag_type(aclent, &tag_type);
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/* translate the silly opaque permset to a bitmap */
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acl_get_permset(aclent, &opaque_ps);
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if (acl_get_perm_np(opaque_ps, ACL_EXECUTE))
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permset |= ARCHIVE_ENTRY_ACL_EXECUTE;
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if (acl_get_perm_np(opaque_ps, ACL_WRITE))
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permset |= ARCHIVE_ENTRY_ACL_WRITE;
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if (acl_get_perm_np(opaque_ps, ACL_READ))
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permset |= ARCHIVE_ENTRY_ACL_READ;
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if (permset != myacl->permset)
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return (0);
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switch (tag_type) {
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case ACL_USER_OBJ:
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if (myacl->tag != ARCHIVE_ENTRY_ACL_USER_OBJ) return (0);
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break;
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case ACL_USER:
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if (myacl->tag != ARCHIVE_ENTRY_ACL_USER)
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return (0);
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up = acl_get_qualifier(aclent);
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u = *up;
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acl_free(up);
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if ((uid_t)myacl->qual != u)
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return (0);
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break;
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case ACL_GROUP_OBJ:
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if (myacl->tag != ARCHIVE_ENTRY_ACL_GROUP_OBJ) return (0);
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break;
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case ACL_GROUP:
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if (myacl->tag != ARCHIVE_ENTRY_ACL_GROUP)
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return (0);
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gp = acl_get_qualifier(aclent);
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g = *gp;
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acl_free(gp);
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if ((gid_t)myacl->qual != g)
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return (0);
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break;
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case ACL_MASK:
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if (myacl->tag != ARCHIVE_ENTRY_ACL_MASK) return (0);
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break;
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case ACL_OTHER:
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if (myacl->tag != ARCHIVE_ENTRY_ACL_OTHER) return (0);
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break;
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}
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return (1);
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}
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static void
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compare_acls(acl_t acl, struct myacl_t *myacls)
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{
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int *marker;
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int entry_id = ACL_FIRST_ENTRY;
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int matched;
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int i, n;
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acl_entry_t acl_entry;
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/* Count ACL entries in myacls array and allocate an indirect array. */
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for (n = 0; myacls[n].name != NULL; ++n)
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continue;
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marker = malloc(sizeof(marker[0]) * n);
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for (i = 0; i < n; i++)
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marker[i] = i;
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/*
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* Iterate over acls in system acl object, try to match each
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* one with an item in the myacls array.
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*/
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while (1 == acl_get_entry(acl, entry_id, &acl_entry)) {
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/* After the first time... */
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entry_id = ACL_NEXT_ENTRY;
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/* Search for a matching entry (tag and qualifier) */
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for (i = 0, matched = 0; i < n && !matched; i++) {
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if (acl_match(acl_entry, &myacls[marker[i]])) {
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/* We found a match; remove it. */
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marker[i] = marker[n - 1];
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n--;
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matched = 1;
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}
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}
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/* TODO: Print out more details in this case. */
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failure("ACL entry on file that shouldn't be there");
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assert(matched == 1);
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}
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/* Dump entries in the myacls array that weren't in the system acl. */
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for (i = 0; i < n; ++i) {
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failure(" ACL entry missing from file: "
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"type=%d,permset=%d,tag=%d,qual=%d,name=``%s''\n",
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myacls[marker[i]].type, myacls[marker[i]].permset,
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myacls[marker[i]].tag, myacls[marker[i]].qual,
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myacls[marker[i]].name);
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assert(0); /* Record this as a failure. */
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}
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free(marker);
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}
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#endif
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/*
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* Verify ACL restore-to-disk. This test is FreeBSD-specific.
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*/
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DEFINE_TEST(test_acl_freebsd)
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{
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#if !defined(__FreeBSD__)
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skipping("FreeBSD-specific ACL restore test");
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#elif __FreeBSD__ < 5
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skipping("ACL restore supported only on FreeBSD 5.0 and later");
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#else
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struct stat st;
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struct archive *a;
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struct archive_entry *ae;
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int n, fd;
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acl_t acl;
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/*
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* First, do a quick manual set/read of ACL data to
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* verify that the local filesystem does support ACLs.
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* If it doesn't, we'll simply skip the remaining tests.
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*/
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acl = acl_from_text("u::rwx,u:1:rw,g::rwx,g:15:rx,o::rwx,m::rwx");
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assert((void *)acl != NULL);
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/* Create a test file and try to set an ACL on it. */
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fd = open("pretest", O_WRONLY | O_CREAT | O_EXCL, 0777);
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failure("Could not create test file?!");
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if (!assert(fd >= 0)) {
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acl_free(acl);
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return;
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}
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n = acl_set_fd(fd, acl);
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acl_free(acl);
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if (n != 0 && errno == EOPNOTSUPP) {
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close(fd);
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skipping("ACL tests require that ACL support be enabled on the filesystem");
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return;
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}
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failure("acl_set_fd(): errno = %d (%s)",
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errno, strerror(errno));
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assertEqualInt(0, n);
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close(fd);
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/* Create a write-to-disk object. */
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assert(NULL != (a = archive_write_disk_new()));
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archive_write_disk_set_options(a,
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ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_ACL);
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/* Populate an archive entry with some metadata, including ACL info */
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ae = archive_entry_new();
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assert(ae != NULL);
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archive_entry_set_pathname(ae, "test0");
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archive_entry_set_mtime(ae, 123456, 7890);
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archive_entry_set_size(ae, 0);
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set_acls(ae, acls2);
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assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
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archive_entry_free(ae);
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/* Close the archive. */
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assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
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assertEqualInt(ARCHIVE_OK, archive_write_finish(a));
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/* Verify the data on disk. */
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assertEqualInt(0, stat("test0", &st));
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assertEqualInt(st.st_mtime, 123456);
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acl = acl_get_file("test0", ACL_TYPE_ACCESS);
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assert(acl != (acl_t)NULL);
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compare_acls(acl, acls2);
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acl_free(acl);
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#endif
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}
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