xref: /titanic_50/usr/src/lib/libadutils/common/adutils_impl.h (revision 408aef6a222bf32dc7e66db1ff562316a425ee72)
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 #ifndef	_ADUTILS_IMPL_H
27 #define	_ADUTILS_IMPL_H
28 
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <sys/types.h>
32 #include <ldap.h>
33 #include <pthread.h>
34 #include "addisc.h"
35 #include "idmap_priv.h"
36 #include "idmap_prot.h"
37 #include "libadutils.h"
38 
39 #ifdef	__cplusplus
40 extern "C" {
41 #endif
42 
43 #define	ADUTILS_SEARCH_TIMEOUT	3
44 #define	ADUTILS_LDAP_OPEN_TIMEOUT	1
45 
46 /*
47  * Maximum string SID size. 4 bytes for "S-1-", 15 for 2^48 (max authority),
48  * another '-', and ridcount (max 15) 10-digit RIDs plus '-' in between, plus
49  * a null.
50  */
51 #define	MAXSID				185
52 #define	MAXDOMAINNAME			256
53 
54 typedef struct adutils_sid {
55 	uchar_t		version;
56 	uchar_t		sub_authority_count;
57 	uint64_t	authority;  /* really, 48-bits */
58 	uint32_t	sub_authorities[ADUTILS_SID_MAX_SUB_AUTHORITIES];
59 } adutils_sid_t;
60 
61 struct adutils_host;
62 
63 struct known_domain {
64 	char		name[MAXDOMAINNAME];
65 	char		sid[MAXSID];
66 };
67 
68 
69 /* A set of DSs for a given AD partition */
70 struct adutils_ad {
71 	char			*dflt_w2k_dom;	/* used to qualify bare names */
72 	int			num_known_domains;
73 	struct known_domain	*known_domains;
74 	pthread_mutex_t		lock;
75 	uint32_t		ref;
76 	struct adutils_host	*last_adh;
77 	adutils_ad_partition_t	partition;	/* Data or global catalog? */
78 };
79 
80 typedef struct adutils_attr {
81 	char	*attr_name;
82 	uint_t	num_values;
83 	char	**attr_values;
84 } adutils_attr_t;
85 
86 /* typedef in libadutils.h */
87 struct adutils_entry {
88 	uint_t			num_nvpairs;
89 	adutils_attr_t		*attr_nvpairs;
90 	struct adutils_entry	*next;
91 };
92 
93 /* typedef in libadutils.h */
94 struct adutils_result {
95 	uint_t		num_entries;
96 	adutils_entry_t	*entries;
97 };
98 
99 /* A single DS */
100 typedef struct adutils_host {
101 	struct adutils_host	*next;
102 	struct adutils_ad	*owner;		/* ad_t to which this belongs */
103 	pthread_mutex_t		lock;
104 	LDAP			*ld;		/* LDAP connection */
105 	uint32_t		ref;		/* ref count */
106 	time_t			idletime;	/* time since last activity */
107 	int			dead;		/* error on LDAP connection */
108 	/*
109 	 * Used to distinguish between different instances of LDAP
110 	 * connections to this same DS.  We need this so we never mix up
111 	 * results for a given msgID from one connection with those of
112 	 * another earlier connection where two batch state structures
113 	 * share this adutils_host object but used different LDAP connections
114 	 * to send their LDAP searches.
115 	 */
116 	uint64_t		generation;
117 
118 	/* LDAP DS info */
119 	char			*host;
120 	int			port;
121 
122 	/* hardwired to SASL GSSAPI only for now */
123 	char			*saslmech;
124 	unsigned		saslflags;
125 
126 	/* Number of outstanding search requests */
127 	uint32_t		max_requests;
128 	uint32_t		num_requests;
129 } adutils_host_t;
130 
131 /*  A place to put the results of a batched (async) query */
132 typedef struct adutils_q {
133 	const char		*edomain;	/* expected domain name */
134 	struct adutils_result	**result;	/* The LDAP search result */
135 	adutils_rc		*rc;
136 	int			msgid;		/* LDAP message ID */
137 } adutils_q_t;
138 
139 /* Batch context structure */
140 struct adutils_query_state {
141 	struct adutils_query_state	*next;
142 	int			qsize;		/* Size of queries */
143 	int			ref_cnt;	/* reference count */
144 	pthread_cond_t		cv;		/* Condition wait variable */
145 	uint32_t		qcount;		/* Number of items queued */
146 	uint32_t		qinflight;	/* how many queries in flight */
147 	uint16_t		qdead;		/* oops, lost LDAP connection */
148 	adutils_host_t		*qadh;		/* LDAP connection */
149 	uint64_t		qadh_gen;	/* same as qadh->generation */
150 	adutils_ldap_res_search_cb ldap_res_search_cb;
151 	void			*ldap_res_search_argp;
152 	char			*default_domain;
153 	char			*basedn;
154 	adutils_q_t		queries[1];	/* array of query results */
155 };
156 
157 #ifdef	__cplusplus
158 }
159 #endif
160 
161 #endif	/* _ADUTILS_IMPL_H */
162