xref: /titanic_51/usr/src/lib/libidmap/common/directory.h (revision 1fcced4c370617db71610fecffd5451a5894ca5e)
1*1fcced4cSJordan Brown /*
2*1fcced4cSJordan Brown  * CDDL HEADER START
3*1fcced4cSJordan Brown  *
4*1fcced4cSJordan Brown  * The contents of this file are subject to the terms of the
5*1fcced4cSJordan Brown  * Common Development and Distribution License (the "License").
6*1fcced4cSJordan Brown  * You may not use this file except in compliance with the License.
7*1fcced4cSJordan Brown  *
8*1fcced4cSJordan Brown  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*1fcced4cSJordan Brown  * or http://www.opensolaris.org/os/licensing.
10*1fcced4cSJordan Brown  * See the License for the specific language governing permissions
11*1fcced4cSJordan Brown  * and limitations under the License.
12*1fcced4cSJordan Brown  *
13*1fcced4cSJordan Brown  * When distributing Covered Code, include this CDDL HEADER in each
14*1fcced4cSJordan Brown  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*1fcced4cSJordan Brown  * If applicable, add the following below this CDDL HEADER, with the
16*1fcced4cSJordan Brown  * fields enclosed by brackets "[]" replaced with your own identifying
17*1fcced4cSJordan Brown  * information: Portions Copyright [yyyy] [name of copyright owner]
18*1fcced4cSJordan Brown  *
19*1fcced4cSJordan Brown  * CDDL HEADER END
20*1fcced4cSJordan Brown  */
21*1fcced4cSJordan Brown 
22*1fcced4cSJordan Brown /*
23*1fcced4cSJordan Brown  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24*1fcced4cSJordan Brown  * Use is subject to license terms.
25*1fcced4cSJordan Brown  */
26*1fcced4cSJordan Brown 
27*1fcced4cSJordan Brown #ifndef _DIRECTORY_H
28*1fcced4cSJordan Brown #define	_DIRECTORY_H
29*1fcced4cSJordan Brown 
30*1fcced4cSJordan Brown /*
31*1fcced4cSJordan Brown  * A suite of functions for retrieving information about objects
32*1fcced4cSJordan Brown  * in a directory service.
33*1fcced4cSJordan Brown  *
34*1fcced4cSJordan Brown  * Currently it is limited to retrieving SIDs from names, and vice
35*1fcced4cSJordan Brown  * versa.
36*1fcced4cSJordan Brown  */
37*1fcced4cSJordan Brown 
38*1fcced4cSJordan Brown #ifdef __cplusplus
39*1fcced4cSJordan Brown extern "C" {
40*1fcced4cSJordan Brown #endif
41*1fcced4cSJordan Brown 
42*1fcced4cSJordan Brown #include <sys/types.h>
43*1fcced4cSJordan Brown 
44*1fcced4cSJordan Brown /*
45*1fcced4cSJordan Brown  * This bitmap is a distillation of the objectClass attribute,
46*1fcced4cSJordan Brown  * reporting those classes that Solaris finds "interesting".
47*1fcced4cSJordan Brown  *
48*1fcced4cSJordan Brown  * All undefined bits are reserved and must be ignored.
49*1fcced4cSJordan Brown  */
50*1fcced4cSJordan Brown #define	DIRECTORY_CLASS_USER	0x0000000000000001
51*1fcced4cSJordan Brown #define	DIRECTORY_CLASS_GROUP	0x0000000000000002
52*1fcced4cSJordan Brown 
53*1fcced4cSJordan Brown /*
54*1fcced4cSJordan Brown  * Opaque pointer to a directory search context.
55*1fcced4cSJordan Brown  */
56*1fcced4cSJordan Brown typedef struct directory *directory_t;
57*1fcced4cSJordan Brown 
58*1fcced4cSJordan Brown /*
59*1fcced4cSJordan Brown  * Opaque pointer to a structure that describes an error.
60*1fcced4cSJordan Brown  * Note that NULL means no error.
61*1fcced4cSJordan Brown  */
62*1fcced4cSJordan Brown typedef struct directory_error *directory_error_t;
63*1fcced4cSJordan Brown 
64*1fcced4cSJordan Brown /*
65*1fcced4cSJordan Brown  * Initialize a directory query session, returning in *d a directory_t
66*1fcced4cSJordan Brown  * that should be used for query transactions.
67*1fcced4cSJordan Brown  */
68*1fcced4cSJordan Brown directory_error_t directory_open(directory_t *d);
69*1fcced4cSJordan Brown 
70*1fcced4cSJordan Brown /*
71*1fcced4cSJordan Brown  * Tear down a directory query session.
72*1fcced4cSJordan Brown  * There is an argument that this should return a directory_error_t, but
73*1fcced4cSJordan Brown  * then what state would the directory_t be in, and what should you do
74*1fcced4cSJordan Brown  * if you were doing the directory_close as a result of encountering an error?
75*1fcced4cSJordan Brown  *
76*1fcced4cSJordan Brown  * Does nothing if d==NULL.
77*1fcced4cSJordan Brown  */
78*1fcced4cSJordan Brown void directory_close(directory_t d);
79*1fcced4cSJordan Brown 
80*1fcced4cSJordan Brown /*
81*1fcced4cSJordan Brown  * All directory_t functions return NULL on success or a pointer to a
82*1fcced4cSJordan Brown  * directory_error_t structure on failure.  The caller must call
83*1fcced4cSJordan Brown  * directory_error_free() on any non-NULL directory_error_t structures returned.
84*1fcced4cSJordan Brown  *
85*1fcced4cSJordan Brown  * Strings returned from the directory_error functions are are
86*1fcced4cSJordan Brown  * invalidated when the directory_error_t itself is freed.
87*1fcced4cSJordan Brown  */
88*1fcced4cSJordan Brown 
89*1fcced4cSJordan Brown directory_error_t directory_error(const char *code, const char *fmt, ...);
90*1fcced4cSJordan Brown 
91*1fcced4cSJordan Brown /*
92*1fcced4cSJordan Brown  * Determines whether this directory_error_t is an instance of the
93*1fcced4cSJordan Brown  * particular error, or a subclass of that error.
94*1fcced4cSJordan Brown  */
95*1fcced4cSJordan Brown boolean_t directory_error_is_instance_of(directory_error_t de,
96*1fcced4cSJordan Brown     char *error_string);
97*1fcced4cSJordan Brown 
98*1fcced4cSJordan Brown /*
99*1fcced4cSJordan Brown  * Returns a printable version of this directory_error_t, suitable for
100*1fcced4cSJordan Brown  * human consumption.
101*1fcced4cSJordan Brown  *
102*1fcced4cSJordan Brown  * The string returned is valid as long as the directory_error_t itself is
103*1fcced4cSJordan Brown  * valid, and is freed when the directory_error_t is freed.
104*1fcced4cSJordan Brown  */
105*1fcced4cSJordan Brown const char *directory_error_printable(directory_error_t de);
106*1fcced4cSJordan Brown 
107*1fcced4cSJordan Brown /*
108*1fcced4cSJordan Brown  * Returns the error code for the particular error, as a string.
109*1fcced4cSJordan Brown  * Note that this function should not normally be used to answer
110*1fcced4cSJordan Brown  * the question "did error X happen", since the value returned
111*1fcced4cSJordan Brown  * could be a subclass of X.  directory_error_is_instance_of is intended
112*1fcced4cSJordan Brown  * to answer that question.  This function is more appropriate for
113*1fcced4cSJordan Brown  * logging, where one would want to log the error code and the list
114*1fcced4cSJordan Brown  * of parameters so as to allow structured analysis of the error
115*1fcced4cSJordan Brown  * after the fact.
116*1fcced4cSJordan Brown  *
117*1fcced4cSJordan Brown  * The string returned is valid as long as the directory_error_t itself is
118*1fcced4cSJordan Brown  * valid, and is freed when the directory_error_t is freed.
119*1fcced4cSJordan Brown  */
120*1fcced4cSJordan Brown const char *directory_error_code(directory_error_t de);
121*1fcced4cSJordan Brown 
122*1fcced4cSJordan Brown /*
123*1fcced4cSJordan Brown  * Returns one of the parameters of the directory_error_t, or NULL if
124*1fcced4cSJordan Brown  * the parameter does not exist.
125*1fcced4cSJordan Brown  *
126*1fcced4cSJordan Brown  * Note that by definition error subclasses have initial parameters
127*1fcced4cSJordan Brown  * the same as their superclasses.
128*1fcced4cSJordan Brown  *
129*1fcced4cSJordan Brown  * The string returned is valid as long as the directory_error_t itself is
130*1fcced4cSJordan Brown  * valid, and is freed when the directory_error_t is freed.
131*1fcced4cSJordan Brown  */
132*1fcced4cSJordan Brown const char *directory_error_param(directory_error_t de, int param);
133*1fcced4cSJordan Brown 
134*1fcced4cSJordan Brown /*
135*1fcced4cSJordan Brown  * Frees the memory (if any) allocated for the directory_error_t.
136*1fcced4cSJordan Brown  * This frees all strings that might have been derived from this
137*1fcced4cSJordan Brown  * directory_error_t through directory_error_code, directory_error_printable,
138*1fcced4cSJordan Brown  * et cetera.
139*1fcced4cSJordan Brown  *
140*1fcced4cSJordan Brown  * Does nothing if de==NULL.
141*1fcced4cSJordan Brown  */
142*1fcced4cSJordan Brown void directory_error_free(directory_error_t de);
143*1fcced4cSJordan Brown 
144*1fcced4cSJordan Brown /*
145*1fcced4cSJordan Brown  * Utility functions to look up a SID given a name, and vice versa.
146*1fcced4cSJordan Brown  * Caller must free() the result (sid or name, respectively).
147*1fcced4cSJordan Brown  */
148*1fcced4cSJordan Brown directory_error_t directory_sid_from_name(directory_t d, char *name, char **sid,
149*1fcced4cSJordan Brown     uint64_t *classes);
150*1fcced4cSJordan Brown directory_error_t directory_sid_from_user_name(directory_t d, char *name,
151*1fcced4cSJordan Brown     char **sid);
152*1fcced4cSJordan Brown directory_error_t directory_sid_from_group_name(directory_t d, char *name,
153*1fcced4cSJordan Brown     char **sid);
154*1fcced4cSJordan Brown directory_error_t directory_name_from_sid(directory_t d, char *sid, char **name,
155*1fcced4cSJordan Brown     uint64_t *classes);
156*1fcced4cSJordan Brown directory_error_t directory_canon_from_name(directory_t d, char *name,
157*1fcced4cSJordan Brown     char **canon, uint64_t *classes);
158*1fcced4cSJordan Brown directory_error_t directory_canon_from_user_name(directory_t d, char *name,
159*1fcced4cSJordan Brown     char **canon);
160*1fcced4cSJordan Brown directory_error_t directory_canon_from_group_name(directory_t d, char *name,
161*1fcced4cSJordan Brown     char **canon);
162*1fcced4cSJordan Brown 
163*1fcced4cSJordan Brown #ifdef __cplusplus
164*1fcced4cSJordan Brown }
165*1fcced4cSJordan Brown #endif
166*1fcced4cSJordan Brown 
167*1fcced4cSJordan Brown #endif /* _DIRECTORY_H */
168