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/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*
28 * Windows to Solaris Identity Mapping kernel API
29 * This header file contains private definitions.
30 */
31
32#ifndef _KIDMAP_PRIV_H
33#define	_KIDMAP_PRIV_H
34
35#include <sys/avl.h>
36
37#ifdef	__cplusplus
38extern "C" {
39#endif
40
41typedef struct sid2pid {
42	avl_node_t	avl_link;
43	struct sid2pid	*flink;
44	struct sid2pid	*blink;
45	const char 	*sid_prefix;
46	uint32_t	rid;
47	uid_t		uid;
48	time_t		uid_ttl;
49	gid_t		gid;
50	time_t		gid_ttl;
51	int		is_user;
52} sid2pid_t;
53
54
55typedef struct pid2sid {
56	avl_node_t	avl_link;
57	struct pid2sid	*flink;
58	struct pid2sid	*blink;
59	const char 	*sid_prefix;
60	uint32_t	rid;
61	uid_t		pid;
62	time_t		ttl;
63} pid2sid_t;
64
65
66
67typedef struct idmap_sid2pid_cache {
68	avl_tree_t		tree;
69	kmutex_t		mutex;
70	struct sid2pid		head;
71	time_t			purge_time;
72	int			uid_num;
73	int			gid_num;
74	int			pid_num;
75} idmap_sid2pid_cache_t;
76
77
78typedef struct idmap_pid2sid_cache {
79	avl_tree_t		tree;
80	kmutex_t		mutex;
81	struct pid2sid		head;
82	time_t			purge_time;
83} idmap_pid2sid_cache_t;
84
85
86/*
87 * There is a cache for every mapping request because a group SID
88 * on Windows can be set in a file owner field and versa-visa.
89 * To stop this causing problems on Solaris a SID can map to
90 * both a UID and a GID.
91 */
92typedef struct idmap_cache {
93	idmap_sid2pid_cache_t	sid2pid;
94	idmap_pid2sid_cache_t	uid2sid;
95	idmap_pid2sid_cache_t	gid2sid;
96} idmap_cache_t;
97
98
99void
100kidmap_cache_create(idmap_cache_t *cache);
101
102void
103kidmap_cache_delete(idmap_cache_t *cache);
104
105void
106kidmap_cache_purge(idmap_cache_t *cache);
107
108
109int
110kidmap_cache_lookup_uidbysid(idmap_cache_t *cache, const char *sid_prefix,
111			uint32_t rid, uid_t *uid);
112
113int
114kidmap_cache_lookup_gidbysid(idmap_cache_t *cache, const char *sid_prefix,
115			uint32_t rid, gid_t *gid);
116
117int
118kidmap_cache_lookup_pidbysid(idmap_cache_t *cache, const char *sid_prefix,
119			uint32_t rid, uid_t *pid, int *is_user);
120
121int
122kidmap_cache_lookup_sidbyuid(idmap_cache_t *cache, const char **sid_prefix,
123			uint32_t *rid, uid_t uid);
124
125int
126kidmap_cache_lookup_sidbygid(idmap_cache_t *cache, const char **sid_prefix,
127			uint32_t *rid, gid_t gid);
128
129
130void
131kidmap_cache_add_sid2uid(idmap_cache_t *cache, const char *sid_prefix,
132			uint32_t rid, uid_t uid, int direction);
133
134void
135kidmap_cache_add_sid2gid(idmap_cache_t *cache, const char *sid_prefix,
136			uint32_t rid, gid_t gid, int direction);
137
138void
139kidmap_cache_add_sid2pid(idmap_cache_t *cache, const char *sid_prefix,
140			uint32_t rid, uid_t pid, int is_user, int direction);
141void
142kidmap_cache_get_data(idmap_cache_t *cache, size_t *uidbysid, size_t *gidbysid,
143			size_t *pidbysid, size_t *sidbyuid, size_t *sidbygid);
144int
145kidmap_start(void);
146
147int
148kidmap_stop(void);
149
150void
151kidmap_sid_prefix_store_init(void);
152
153const char *
154kidmap_find_sid_prefix(const char *sid_prefix);
155
156#ifdef	__cplusplus
157}
158#endif
159
160#endif	/* _KIDMAP_PRIV_H */
161