xref: /titanic_41/usr/src/lib/libldap5/include/ldap/ldappr.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 #pragma ident	"%Z%%M%	%I%	%E% SMI"
7 
8 /*
9  * The contents of this file are subject to the Netscape Public
10  * License Version 1.1 (the "License"); you may not use this file
11  * except in compliance with the License. You may obtain a copy of
12  * the License at http://www.mozilla.org/NPL/
13  *
14  * Software distributed under the License is distributed on an "AS
15  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
16  * implied. See the License for the specific language governing
17  * rights and limitations under the License.
18  *
19  * The Original Code is Mozilla Communicator client code, released
20  * March 31, 1998.
21  *
22  * The Initial Developer of the Original Code is Netscape
23  * Communications Corporation. Portions created by Netscape are
24  * Copyright (C) 1998-1999 Netscape Communications Corporation. All
25  * Rights Reserved.
26  *
27  * Contributor(s):
28  */
29 
30 #ifndef LDAP_PR_H
31 #define LDAP_PR_H
32 
33 #include "nspr.h"
34 
35 /*
36  * ldappr.h - prototypes for functions that tie libldap into NSPR (Netscape
37  *	Portable Runtime).
38  */
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /*
45  * Function: prldap_init().
46  *
47  * Create a new LDAP session handle, but with NSPR I/O, threading, and DNS
48  * functions installed.
49  *
50  * Pass a non-zero value for the 'shared' parameter if you plan to use
51  * this LDAP * handle from more than one thread.
52  *
53  * Returns an LDAP session handle (or NULL if an error occurs).
54  */
55 LDAP * LDAP_CALL prldap_init( const char *defhost, int defport, int shared );
56 
57 
58 /*
59  * Function: prldap_install_routines().
60  *
61  * Install NSPR I/O, threading, and DNS functions so they will be used by
62  * 'ld'.
63  *
64  * If 'ld' is NULL, the functions are installed as the default functions
65  * for all new LDAP * handles).
66  *
67  * Pass a non-zero value for the 'shared' parameter if you plan to use
68  * this LDAP * handle from more than one thread.
69  *
70  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well).
71  */
72 int LDAP_CALL prldap_install_routines( LDAP *ld, int shared );
73 
74 
75 #ifndef _SOLARIS_SDK    /* Not used, left in to stay in sync with iplanet */
76 /*
77  * Function: prldap_set_session_option().
78  *
79  * Given an LDAP session handle or a session argument such is passed to
80  * CONNECT, POLL, NEWHANDLE, or DISPOSEHANDLE extended I/O callbacks, set
81  * an option that affects the prldap layer.
82  *
83  * If 'ld' and 'session" are both NULL, the option is set as the default
84  * for all new prldap sessions.
85  *
86  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well).
87  */
88 int LDAP_CALL prldap_set_session_option( LDAP *ld, void *sessionarg,
89 	int option, ... );
90 
91 
92 /*
93  * Function: prldap_get_session_option().
94  *
95  * Given an LDAP session handle or a session argument such is passed to
96  * CONNECT, POLL, NEWHANDLE, or DISPOSEHANDLE extended I/O callbacks, retrieve
97  * the setting for an option that affects the prldap layer.
98  *
99  * If 'ld' and 'session" are both NULL, the default option value for all new
100  * new prldap sessions is retrieved.
101  *
102  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well).
103  */
104 int LDAP_CALL prldap_get_session_option( LDAP *ld, void *sessionarg,
105 	int option, ... );
106 
107 
108 
109 /*
110  * Available options.
111  */
112 /*
113  * PRLDAP_OPT_IO_MAX_TIMEOUT: set the maximum time in milliseconds to
114  * block waiting for a network I/O operation to complete.
115  *
116  * Data type: int.
117  *
118  * These two special values from ldap-extension.h can also be used;
119  *
120  *    LDAP_X_IO_TIMEOUT_NO_TIMEOUT
121  *    LDAP_X_IO_TIMEOUT_NO_WAIT
122  */
123 #define PRLDAP_OPT_IO_MAX_TIMEOUT		1
124 #endif	/* !_SOLARIS_SDK */
125 
126 
127 /**
128  ** Note: the types and functions below are only useful for developers
129  ** who need to layer one or more custom extended I/O functions on top of
130  ** the standard NSPR I/O functions installed by a call to prldap_init()
131  ** or prldap_install_routines().  Layering can be accomplished after
132  ** prldap_init() or prldap_install_routines() has completed successfully
133  ** by:
134  **
135  **   1) Calling ldap_get_option( ..., LDAP_X_OPT_EXTIO_FN_PTRS, ... ).
136  **
137  **   2) Saving the function pointer of one or more of the standard functions.
138  **
139  **   3) Replacing one or more standard functions in the ldap_x_ext_io_fns
140  **      struct	with new functions that optionally do some preliminary work,
141  **      call the standard function (via the function pointer saved in step 2),
142  **      and optionally do some followup work.
143  */
144 
145 /*
146  * Data structure for session information.
147  * seinfo_size should be set to PRLDAP_SESSIONINFO_SIZE before use.
148  */
149 struct prldap_session_private;
150 
151 typedef struct prldap_session_info {
152 	int				seinfo_size;
153 	struct prldap_session_private	*seinfo_appdata;
154 } PRLDAPSessionInfo;
155 #define PRLDAP_SESSIONINFO_SIZE	sizeof( PRLDAPSessionInfo )
156 
157 
158 /*
159  * Function: prldap_set_session_info().
160  *
161  * Given an LDAP session handle or a session argument such is passed to
162  * CONNECT, POLL, NEWHANDLE, or DISPOSEHANDLE extended I/O callbacks,
163  * set some application-specific data.  If ld is NULL, arg is used.  If
164  * both ld and arg are NULL, LDAP_PARAM_ERROR is returned.
165  *
166  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well).
167  */
168 int LDAP_CALL prldap_set_session_info( LDAP *ld, void *sessionarg,
169 	PRLDAPSessionInfo *seip );
170 
171 
172 /*
173  * Function: prldap_get_session_info().
174  *
175  * Given an LDAP session handle or a session argument such is passed to
176  * CONNECT, POLL, NEWHANDLE, or DISPOSEHANDLE extended I/O callbacks,
177  * retrieve some application-specific data.  If ld is NULL, arg is used.  If
178  * both ld and arg are NULL, LDAP_PARAM_ERROR is returned.
179  *
180  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well, in
181  * which case the fields in the structure that seip points to are filled in).
182  */
183 int LDAP_CALL prldap_get_session_info( LDAP *ld, void *sessionarg,
184 	PRLDAPSessionInfo *seip );
185 
186 
187 /*
188  * Data structure for socket specific information.
189  * Note: soinfo_size should be set to PRLDAP_SOCKETINFO_SIZE before use.
190  */
191 struct prldap_socket_private;
192 typedef struct prldap_socket_info {
193 	int				soinfo_size;
194 	PRFileDesc			*soinfo_prfd;
195 	struct prldap_socket_private	*soinfo_appdata;
196 } PRLDAPSocketInfo;
197 #define PRLDAP_SOCKETINFO_SIZE	sizeof( PRLDAPSocketInfo )
198 
199 
200 /*
201  * Function: prldap_set_socket_info().
202  *
203  * Given an integer fd and a socket argument such as those passed to the
204  * extended I/O callback functions, set socket specific information.
205  *
206  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well).
207  *
208  * Note: it is only safe to change soinfo_prfd from within the SOCKET
209  * extended I/O callback function.
210  */
211 int LDAP_CALL prldap_set_socket_info( int fd, void *socketarg,
212 					PRLDAPSocketInfo *soip );
213 
214 /*
215  * Function: prldap_get_socket_info().
216  *
217  * Given an integer fd and a socket argument such as those passed to the
218  * extended I/O callback functions, retrieve socket specific information.
219  *
220  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well, in
221  * which case the fields in the structure that soip points to are filled in).
222  */
223 int LDAP_CALL prldap_get_socket_info( int fd, void *socketarg,
224 					PRLDAPSocketInfo *soip );
225 
226 /*
227  * Function: prldap_get_default_socket_info().
228  *
229  * Given an LDAP session handle, retrieve socket specific information.
230  * If ld is NULL, LDAP_PARAM_ERROR is returned.
231  *
232  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well, in
233  * which case the fields in the structure that soip points to are filled in).
234  */
235 int LDAP_CALL prldap_get_default_socket_info( LDAP *ld, PRLDAPSocketInfo *soip );
236 
237 /*
238  * Function: prldap_set_default_socket_info().
239  *
240  * Given an LDAP session handle, set socket specific information.
241  * If ld is NULL, LDAP_PARAM_ERROR is returned.
242  *
243  * Returns an LDAP API error code (LDAP_SUCCESS if all goes well, in
244  * which case the fields in the structure that soip points to are filled in).
245  */
246 int LDAP_CALL prldap_set_default_socket_info( LDAP *ld, PRLDAPSocketInfo *soip );
247 
248 #ifdef __cplusplus
249 }
250 #endif
251 #endif /* !defined(LDAP_PR_H) */
252