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[openldap] / servers / slapd / back-ldap / back-ldap.h
1 /* back-ldap.h - ldap backend header file */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4  *
5  * Copyright 1999-2006 The OpenLDAP Foundation.
6  * Portions Copyright 2000-2003 Pierangelo Masarati.
7  * Portions Copyright 1999-2003 Howard Chu.
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted only as authorized by the OpenLDAP
12  * Public License.
13  *
14  * A copy of this license is available in the file LICENSE in the
15  * top-level directory of the distribution or, alternatively, at
16  * <http://www.OpenLDAP.org/license.html>.
17  */
18 /* ACKNOWLEDGEMENTS:
19  * This work was initially developed by the Howard Chu for inclusion
20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
21  * Masarati.
22  */
23
24 #ifndef SLAPD_LDAP_H
25 #define SLAPD_LDAP_H
26
27 LDAP_BEGIN_DECL
28
29 typedef struct ldapconn_t {
30         Connection              *lc_conn;
31 #define LDAP_BACK_PCONN         ((void *)0x0)
32 #define LDAP_BACK_PCONN_TLS     ((void *)0x1)
33 #define LDAP_BACK_PCONN_ID(c)   ((void *)(c) > LDAP_BACK_PCONN_TLS ? (c)->c_connid : -1)
34 #ifdef HAVE_TLS
35 #define LDAP_BACK_PCONN_SET(op) ((op)->o_conn->c_is_tls ? LDAP_BACK_PCONN_TLS : LDAP_BACK_PCONN)
36 #else /* ! HAVE_TLS */
37 #define LDAP_BACK_PCONN_SET(op) (LDAP_BACK_PCONN)
38 #endif /* ! HAVE_TLS */
39
40         LDAP                    *lc_ld;
41         struct berval           lc_cred;
42         struct berval           lc_bound_ndn;
43         struct berval           lc_local_ndn;
44         unsigned                lc_lcflags;
45 #define LDAP_BACK_CONN_ISSET(lc,f)      ((lc)->lc_lcflags & (f))
46 #define LDAP_BACK_CONN_SET(lc,f)        ((lc)->lc_lcflags |= (f))
47 #define LDAP_BACK_CONN_CLEAR(lc,f)      ((lc)->lc_lcflags &= ~(f))
48 #define LDAP_BACK_CONN_CPY(lc,f,mlc) \
49         do { \
50                 if ( ((f) & (mlc)->lc_lcflags) == (f) ) { \
51                         (lc)->lc_lcflags |= (f); \
52                 } else { \
53                         (lc)->lc_lcflags &= ~(f); \
54                 } \
55         } while ( 0 )
56
57 #define LDAP_BACK_FCONN_ISBOUND (0x01)
58 #define LDAP_BACK_FCONN_ISANON  (0x02)
59 #define LDAP_BACK_FCONN_ISBMASK (LDAP_BACK_FCONN_ISBOUND|LDAP_BACK_FCONN_ISANON)
60 #define LDAP_BACK_FCONN_ISPRIV  (0x04)
61 #define LDAP_BACK_FCONN_ISTLS   (0x08)
62 #define LDAP_BACK_FCONN_BINDING (0x10)
63
64 #define LDAP_BACK_CONN_ISBOUND(lc)              LDAP_BACK_CONN_ISSET((lc), LDAP_BACK_FCONN_ISBOUND)
65 #define LDAP_BACK_CONN_ISBOUND_SET(lc)          LDAP_BACK_CONN_SET((lc), LDAP_BACK_FCONN_ISBOUND)
66 #define LDAP_BACK_CONN_ISBOUND_CLEAR(lc)        LDAP_BACK_CONN_CLEAR((lc), LDAP_BACK_FCONN_ISBMASK)
67 #define LDAP_BACK_CONN_ISBOUND_CPY(lc, mlc)     LDAP_BACK_CONN_CPY((lc), LDAP_BACK_FCONN_ISBOUND, (mlc))
68 #define LDAP_BACK_CONN_ISANON(lc)               LDAP_BACK_CONN_ISSET((lc), LDAP_BACK_FCONN_ISANON)
69 #define LDAP_BACK_CONN_ISANON_SET(lc)           LDAP_BACK_CONN_SET((lc), LDAP_BACK_FCONN_ISANON)
70 #define LDAP_BACK_CONN_ISANON_CLEAR(lc)         LDAP_BACK_CONN_ISBOUND_CLEAR((lc))
71 #define LDAP_BACK_CONN_ISANON_CPY(lc, mlc)      LDAP_BACK_CONN_CPY((lc), LDAP_BACK_FCONN_ISANON, (mlc))
72 #define LDAP_BACK_CONN_ISPRIV(lc)               LDAP_BACK_CONN_ISSET((lc), LDAP_BACK_FCONN_ISPRIV)
73 #define LDAP_BACK_CONN_ISPRIV_SET(lc)           LDAP_BACK_CONN_SET((lc), LDAP_BACK_FCONN_ISPRIV)
74 #define LDAP_BACK_CONN_ISPRIV_CLEAR(lc)         LDAP_BACK_CONN_CLEAR((lc), LDAP_BACK_FCONN_ISPRIV)
75 #define LDAP_BACK_CONN_ISPRIV_CPY(lc, mlc)      LDAP_BACK_CONN_CPY((lc), LDAP_BACK_FCONN_ISPRIV, (mlc))
76 #define LDAP_BACK_CONN_ISTLS(lc)                LDAP_BACK_CONN_ISSET((lc), LDAP_BACK_FCONN_ISTLS)
77 #define LDAP_BACK_CONN_ISTLS_SET(lc)            LDAP_BACK_CONN_SET((lc), LDAP_BACK_FCONN_ISTLS)
78 #define LDAP_BACK_CONN_ISTLS_CLEAR(lc)          LDAP_BACK_CONN_CLEAR((lc), LDAP_BACK_FCONN_ISTLS)
79 #define LDAP_BACK_CONN_ISTLS_CPY(lc, mlc)       LDAP_BACK_CONN_CPY((lc), LDAP_BACK_FCONN_ISTLS, (mlc))
80 #define LDAP_BACK_CONN_BINDING(lc)              LDAP_BACK_CONN_ISSET((lc), LDAP_BACK_FCONN_BINDING)
81 #define LDAP_BACK_CONN_BINDING_SET(lc)          LDAP_BACK_CONN_SET((lc), LDAP_BACK_FCONN_BINDING)
82 #define LDAP_BACK_CONN_BINDING_CLEAR(lc)        LDAP_BACK_CONN_CLEAR((lc), LDAP_BACK_FCONN_BINDING)
83
84         unsigned                lc_refcnt;
85         unsigned                lc_flags;
86         time_t                  lc_time;
87 } ldapconn_t;
88
89 /*
90  * identity assertion modes
91  */
92 enum {
93         LDAP_BACK_IDASSERT_LEGACY = 1,
94         LDAP_BACK_IDASSERT_NOASSERT,
95         LDAP_BACK_IDASSERT_ANONYMOUS,
96         LDAP_BACK_IDASSERT_SELF,
97         LDAP_BACK_IDASSERT_OTHERDN,
98         LDAP_BACK_IDASSERT_OTHERID
99 };
100
101 /*
102  * operation enumeration for timeouts
103  */
104 enum {
105         LDAP_BACK_OP_ADD = 0,
106         LDAP_BACK_OP_DELETE,
107         LDAP_BACK_OP_MODIFY,
108         LDAP_BACK_OP_MODRDN,
109         LDAP_BACK_OP_LAST
110 };
111
112 typedef struct ldap_avl_info_t {
113         ldap_pvt_thread_mutex_t         lai_mutex;
114         Avlnode                         *lai_tree;
115 } ldap_avl_info_t;
116
117 typedef struct ldapinfo_t {
118         /* li_uri: the string that goes into ldap_initialize()
119          * TODO: use li_acl.sb_uri instead */
120         char            *li_uri;
121         /* li_bvuri: an array of each single URI that is equivalent;
122          * to be checked for the presence of a certain item */
123         BerVarray       li_bvuri;
124
125         slap_bindconf   li_acl;
126 #define li_acl_authcID  li_acl.sb_authcId
127 #define li_acl_authcDN  li_acl.sb_binddn
128 #define li_acl_passwd   li_acl.sb_cred
129 #define li_acl_authzID  li_acl.sb_authzId
130 #define li_acl_authmethod       li_acl.sb_method
131 #define li_acl_sasl_mech        li_acl.sb_saslmech
132 #define li_acl_sasl_realm       li_acl.sb_realm
133 #define li_acl_secprops li_acl.sb_secprops
134
135         /* ID assert stuff */
136         int             li_idassert_mode;
137
138         slap_bindconf   li_idassert;
139 #define li_idassert_authcID     li_idassert.sb_authcId
140 #define li_idassert_authcDN     li_idassert.sb_binddn
141 #define li_idassert_passwd      li_idassert.sb_cred
142 #define li_idassert_authzID     li_idassert.sb_authzId
143 #define li_idassert_authmethod  li_idassert.sb_method
144 #define li_idassert_sasl_mech   li_idassert.sb_saslmech
145 #define li_idassert_sasl_realm  li_idassert.sb_realm
146 #define li_idassert_secprops    li_idassert.sb_secprops
147
148         unsigned        li_idassert_flags;
149 #define LDAP_BACK_AUTH_NONE             0x00U
150 #define LDAP_BACK_AUTH_NATIVE_AUTHZ     0x01U
151 #define LDAP_BACK_AUTH_OVERRIDE         0x02U
152 #define LDAP_BACK_AUTH_PRESCRIPTIVE     0x04U
153
154         BerVarray       li_idassert_authz;
155         /* end of ID assert stuff */
156
157         int             li_nretries;
158 #define LDAP_BACK_RETRY_UNDEFINED       (-2)
159 #define LDAP_BACK_RETRY_FOREVER         (-1)
160 #define LDAP_BACK_RETRY_NEVER           (0)
161 #define LDAP_BACK_RETRY_DEFAULT         (3)
162
163         unsigned        li_flags;
164 #define LDAP_BACK_F_NONE                0x00U
165 #define LDAP_BACK_F_SAVECRED            0x01U
166 #define LDAP_BACK_F_USE_TLS             0x02U
167 #define LDAP_BACK_F_PROPAGATE_TLS       0x04U
168 #define LDAP_BACK_F_TLS_CRITICAL        0x08U
169 #define LDAP_BACK_F_TLS_USE_MASK        (LDAP_BACK_F_USE_TLS|LDAP_BACK_F_TLS_CRITICAL)
170 #define LDAP_BACK_F_TLS_PROPAGATE_MASK  (LDAP_BACK_F_PROPAGATE_TLS|LDAP_BACK_F_TLS_CRITICAL)
171 #define LDAP_BACK_F_TLS_MASK            (LDAP_BACK_F_TLS_USE_MASK|LDAP_BACK_F_TLS_PROPAGATE_MASK)
172 #define LDAP_BACK_F_CHASE_REFERRALS     0x10U
173 #define LDAP_BACK_F_PROXY_WHOAMI        0x20U
174
175 #define LDAP_BACK_F_SUPPORT_T_F                 0x80U
176 #define LDAP_BACK_F_SUPPORT_T_F_DISCOVER        0x40U
177 #define LDAP_BACK_F_SUPPORT_T_F_MASK            (LDAP_BACK_F_SUPPORT_T_F|LDAP_BACK_F_SUPPORT_T_F_DISCOVER)
178
179 #define LDAP_BACK_ISSET(li,f)           ( ( (li)->li_flags & (f) ) == (f) )
180 #define LDAP_BACK_SAVECRED(li)          LDAP_BACK_ISSET( (li), LDAP_BACK_F_SAVECRED )
181 #define LDAP_BACK_USE_TLS(li)           LDAP_BACK_ISSET( (li), LDAP_BACK_F_USE_TLS )
182 #define LDAP_BACK_PROPAGATE_TLS(li)     LDAP_BACK_ISSET( (li), LDAP_BACK_F_PROPAGATE_TLS )
183 #define LDAP_BACK_TLS_CRITICAL(li)      LDAP_BACK_ISSET( (li), LDAP_BACK_F_TLS_CRITICAL )
184 #define LDAP_BACK_CHASE_REFERRALS(li)   LDAP_BACK_ISSET( (li), LDAP_BACK_F_CHASE_REFERRALS )
185 #define LDAP_BACK_PROXY_WHOAMI(li)      LDAP_BACK_ISSET( (li), LDAP_BACK_F_PROXY_WHOAMI )
186
187         int             li_version;
188
189         ldap_avl_info_t li_conninfo;
190
191         time_t          li_network_timeout;
192         time_t          li_idle_timeout;
193         time_t          li_timeout[ LDAP_BACK_OP_LAST ];
194 } ldapinfo_t;
195
196 typedef enum ldap_back_send_t {
197         LDAP_BACK_DONTSEND              = 0x00,
198         LDAP_BACK_SENDOK                = 0x01,
199         LDAP_BACK_SENDERR               = 0x02,
200         LDAP_BACK_SENDRESULT            = (LDAP_BACK_SENDOK|LDAP_BACK_SENDERR),
201         LDAP_BACK_BINDING               = 0x04,
202         LDAP_BACK_BIND_SERR             = (LDAP_BACK_BINDING|LDAP_BACK_SENDERR)
203 } ldap_back_send_t;
204
205 /* define to use asynchronous StartTLS */
206 #define SLAP_STARTTLS_ASYNCHRONOUS
207
208 /* timeout to use when calling ldap_result() */
209 #define LDAP_BACK_RESULT_TIMEOUT        (0)
210 #define LDAP_BACK_RESULT_UTIMEOUT       (100000)
211 #define LDAP_BACK_TV_SET(tv) \
212         do { \
213                 (tv)->tv_sec = LDAP_BACK_RESULT_TIMEOUT; \
214                 (tv)->tv_usec = LDAP_BACK_RESULT_UTIMEOUT; \
215         } while ( 0 )
216
217 LDAP_END_DECL
218
219 #include "proto-ldap.h"
220
221 #endif /* SLAPD_LDAP_H */