1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28#include <sys/types.h>
29#include <sys/param.h>
30#include <sys/time.h>
31#include <sys/cred.h>
32#include <sys/vfs.h>
33#include <sys/vfs_opreg.h>
34#include <sys/gfs.h>
35#include <sys/vnode.h>
36#include <sys/systm.h>
37#include <sys/errno.h>
38#include <sys/sysmacros.h>
39#include <fs/fs_subr.h>
40#include <sys/contract.h>
41#include <sys/contract_impl.h>
42#include <sys/ctfs.h>
43#include <sys/ctfs_impl.h>
44#include <sys/file.h>
45#include <sys/pathname.h>
46
47/*
48 * CTFS routines for the /system/contract/all vnode.
49 */
50
51static int ctfs_adir_do_readdir(vnode_t *, void *, int *, offset_t *,
52    offset_t *, void *, int);
53static int ctfs_adir_do_lookup(vnode_t *, const char *, vnode_t **, ino64_t *,
54    cred_t *, int, int *, pathname_t *);
55
56/*
57 * ctfs_create_adirnode
58 */
59/* ARGSUSED */
60vnode_t *
61ctfs_create_adirnode(vnode_t *pvp)
62{
63	vnode_t *vp = gfs_dir_create(sizeof (ctfs_adirnode_t), pvp,
64	    ctfs_ops_adir, NULL, NULL, CTFS_NAME_MAX, ctfs_adir_do_readdir,
65	    ctfs_adir_do_lookup);
66
67	return (vp);
68}
69
70/*
71 * ctfs_adir_getattr - VOP_GETATTR entry point
72 */
73/* ARGSUSED */
74static int
75ctfs_adir_getattr(
76	vnode_t *vp,
77	vattr_t *vap,
78	int flags,
79	cred_t *cr,
80	caller_context_t *ct)
81{
82	int i, total;
83
84	vap->va_type = VDIR;
85	vap->va_mode = 0555;
86	for (i = 0, total = 0; i < ct_ntypes; i++)
87		total += contract_type_count(ct_types[i]);
88	vap->va_nlink = 2;
89	vap->va_size = 2 + total;
90	vap->va_ctime.tv_sec = vp->v_vfsp->vfs_mtime;
91	vap->va_ctime.tv_nsec = 0;
92	vap->va_mtime = vap->va_atime = vap->va_ctime;
93	ctfs_common_getattr(vp, vap);
94
95	return (0);
96}
97
98/* ARGSUSED */
99static int
100ctfs_adir_do_lookup(vnode_t *vp, const char *nm, vnode_t **vpp, ino64_t *inop,
101    cred_t *cr, int flags, int *deflags, pathname_t *rpnp)
102{
103	int i;
104	contract_t *ct;
105
106	i = stoi((char **)&nm);
107	if (*nm != '\0')
108		return (ENOENT);
109
110	ct = contract_ptr(i, VTOZONE(vp)->zone_uniqid);
111	if (ct == NULL)
112		return (ENOENT);
113
114	*vpp = ctfs_create_symnode(vp, ct);
115	*inop = CTFS_INO_CT_LINK(ct->ct_id);
116	contract_rele(ct);
117
118	return (0);
119}
120
121/* ARGSUSED */
122static int
123ctfs_adir_do_readdir(vnode_t *vp, void *dp, int *eofp,
124    offset_t *offp, offset_t *nextp, void *unused, int flags)
125{
126	uint64_t zuniqid;
127	ctid_t next;
128	struct dirent64 *odp = dp;
129
130	ASSERT(!(flags & V_RDDIR_ENTFLAGS));
131
132	zuniqid = VTOZONE(vp)->zone_uniqid;
133	next = contract_lookup(zuniqid, *offp);
134
135	if (next == -1) {
136		*eofp = 1;
137		return (0);
138	}
139
140	odp->d_ino = CTFS_INO_CT_LINK(next);
141	numtos(next, odp->d_name);
142	*offp = next;
143	*nextp = next + 1;
144
145	return (0);
146}
147
148const fs_operation_def_t ctfs_tops_adir[] = {
149	{ VOPNAME_OPEN,		{ .vop_open = ctfs_open } },
150	{ VOPNAME_CLOSE,	{ .vop_close = ctfs_close } },
151	{ VOPNAME_IOCTL,	{ .error = fs_inval } },
152	{ VOPNAME_GETATTR,	{ .vop_getattr = ctfs_adir_getattr } },
153	{ VOPNAME_ACCESS,	{ .vop_access = ctfs_access_dir } },
154	{ VOPNAME_READDIR,	{ .vop_readdir = gfs_vop_readdir } },
155	{ VOPNAME_LOOKUP,	{ .vop_lookup = gfs_vop_lookup } },
156	{ VOPNAME_SEEK,		{ .vop_seek = fs_seek } },
157	{ VOPNAME_INACTIVE,	{ .vop_inactive = gfs_vop_inactive } },
158	{ NULL, NULL }
159};
160