xref: /titanic_41/usr/src/uts/common/sys/kidmap.h (revision 2a8d6eba033e4713ab12b61178f0513f1f075482)
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 defines an API to map Windows SIDs to
30  * Solaris UID and GIDs and versa visa.
31  */
32 
33 #ifndef	_SYS_KIDMAP_H
34 #define	_SYS_KIDMAP_H
35 
36 #pragma ident	"%Z%%M%	%I%	%E% SMI"
37 
38 #include <sys/idmap.h>
39 #include <sys/door.h>
40 #include <sys/zone.h>
41 
42 #ifdef	__cplusplus
43 extern "C" {
44 #endif
45 
46 /* Opaque get handle */
47 typedef struct idmap_get_handle idmap_get_handle_t;
48 
49 /* Return status */
50 typedef	int32_t idmap_stat;
51 
52 /*
53  * In all the routines a Windows SID is handled as a
54  * string SID prefix plus a RID. For example
55  *
56  * S-1-5-5-12-34-568 will be passed as SID prefix
57  * S-1-5-5-12-34 and RID 568
58  *
59  * Certain routines returns pointers to a SID prefix string.
60  * These strings are stored internally and should not be modified
61  * or freed.
62  */
63 
64 
65 /*
66  * The following routines are simple get ID mapping routines.
67  */
68 
69 
70 idmap_stat
71 kidmap_getuidbysid(zone_t *zone, const char *sid_prefix, uint32_t rid,
72 		uid_t *uid);
73 
74 idmap_stat
75 kidmap_getgidbysid(zone_t *zone, const char *sid_prefix, uint32_t rid,
76 		gid_t *gid);
77 
78 idmap_stat
79 kidmap_getpidbysid(zone_t *zone, const char *sid_prefix, uint32_t rid,
80 		uid_t *pid, int *is_user);
81 
82 idmap_stat
83 kidmap_getsidbyuid(zone_t *zone, uid_t uid, const char **sid_prefix,
84 		uint32_t *rid);
85 
86 idmap_stat
87 kidmap_getsidbygid(zone_t *zone, gid_t gid, const char **sid_prefix,
88 		uint32_t *rid);
89 
90 
91 
92 /*
93  * The following routines provide a batch interface for mapping IDs.
94  */
95 
96 /*
97  * Create a batch "get mapping" handle for batch mappings.
98  */
99 idmap_get_handle_t *
100 kidmap_get_create(zone_t *zone);
101 
102 /*
103  * These routines queue the request to the "get mapping" handle
104  */
105 
106 idmap_stat
107 kidmap_batch_getuidbysid(idmap_get_handle_t *get_handle,
108 		const char *sid_prefix, uint32_t rid,
109 		uid_t *uid, idmap_stat *stat);
110 
111 idmap_stat
112 kidmap_batch_getgidbysid(idmap_get_handle_t *get_handle,
113 		const char *sid_prefix, uint32_t rid,
114 		gid_t *gid, idmap_stat *stat);
115 
116 idmap_stat
117 kidmap_batch_getpidbysid(idmap_get_handle_t *get_handle,
118 		const char *sid_prefix, uint32_t rid,
119 		uid_t *pid, int *is_user, idmap_stat *stat);
120 
121 idmap_stat
122 kidmap_batch_getsidbyuid(idmap_get_handle_t *get_handle, uid_t uid,
123 		const char **sid_prefix, uint32_t *rid, idmap_stat *stat);
124 
125 idmap_stat
126 kidmap_batch_getsidbygid(idmap_get_handle_t *get_handle, gid_t gid,
127 		const char **sid_prefix, uint32_t *rid, idmap_stat *stat);
128 
129 /*
130  * Process the queued "get mapping" requests. The results (i.e.
131  * status and identity) will be available in the data areas
132  * provided by individual requests.
133  */
134 idmap_stat
135 kidmap_get_mappings(idmap_get_handle_t *get_handle);
136 
137 /*
138  * Destroy the "get mapping" handle
139  */
140 void
141 kidmap_get_destroy(idmap_get_handle_t *get_handle);
142 
143 /*
144  * Functions that do the hard part of door registration/unregistration
145  * for the idmap_reg()/idmap_unreg() syscalls
146  */
147 int idmap_reg_dh(zone_t *zone, door_handle_t dh);
148 int idmap_unreg_dh(zone_t *zone, door_handle_t dh);
149 
150 /*
151  * Function needed by allocids() to ensure only the daemon that owns
152  * the door gets ephemeral IDS
153  */
154 door_handle_t idmap_get_door(zone_t *zone);
155 
156 /*
157  * Function used by system call allocids() to purge the
158  * ID mapping cache
159  */
160 void idmap_purge_cache(zone_t *zone);
161 
162 
163 #ifdef	__cplusplus
164 }
165 #endif
166 
167 #endif	/* _SYS_KIDMAP_H */
168