1 /* init.c - initialize relay backend */
2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 2004-2008 The OpenLDAP Foundation.
5 * Portions Copyright 2004 Pierangelo Masarati.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
17 * This work was initially developed by Pierangelo Masarati for inclusion
18 * in OpenLDAP Software.
24 #include <ac/string.h>
28 #include "back-relay.h"
30 static ConfigDriver relay_back_cf;
32 static ConfigTable relaycfg[] = {
33 { "relay", "relay", 2, 2, 0,
35 relay_back_cf, "( OLcfgDbAt:5.1 "
44 static ConfigOCs relayocs[] = {
46 "NAME 'olcRelayConfig' "
47 "DESC 'Relay backend configuration' "
48 "SUP olcDatabaseConfig "
51 Cft_Database, relaycfg},
56 relay_back_cf( ConfigArgs *c )
58 relay_back_info *ri = ( relay_back_info * )c->be->be_private;
61 if ( c->op == SLAP_CONFIG_EMIT ) {
62 if ( ri != NULL && !BER_BVISNULL( &ri->ri_realsuffix ) ) {
63 value_add_one( &c->rvalue_vals, &ri->ri_realsuffix );
68 } else if ( c->op == LDAP_MOD_DELETE ) {
69 if ( !BER_BVISNULL( &ri->ri_realsuffix ) ) {
70 ch_free( ri->ri_realsuffix.bv_val );
71 BER_BVZERO( &ri->ri_realsuffix );
81 assert( BER_BVISNULL( &ri->ri_realsuffix ) );
83 if ( c->be->be_nsuffix == NULL ) {
84 snprintf( c->cr_msg, sizeof( c->cr_msg),
85 "\"relay\" directive "
86 "must appear after \"suffix\"" );
87 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
88 "%s: %s.\n", c->log, c->cr_msg );
93 if ( !BER_BVISNULL( &c->be->be_nsuffix[ 1 ] ) ) {
94 snprintf( c->cr_msg, sizeof( c->cr_msg),
95 "relaying of multiple suffix "
96 "database not supported" );
97 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
98 "%s: %s.\n", c->log, c->cr_msg );
103 bd = select_backend( &c->value_ndn, 1 );
105 snprintf( c->cr_msg, sizeof( c->cr_msg),
106 "cannot find database "
107 "of relay dn \"%s\" "
108 "in \"olcRelay <dn>\"\n",
109 c->value_dn.bv_val );
110 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
111 "%s: %s.\n", c->log, c->cr_msg );
115 } else if ( bd->be_private == c->be->be_private ) {
116 snprintf( c->cr_msg, sizeof( c->cr_msg),
117 "relay dn \"%s\" would call self "
118 "in \"relay <dn>\" line\n",
119 c->value_dn.bv_val );
120 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
121 "%s: %s.\n", c->log, c->cr_msg );
126 ri->ri_realsuffix = c->value_ndn;
127 BER_BVZERO( &c->value_ndn );
130 ch_free( c->value_dn.bv_val );
131 ch_free( c->value_ndn.bv_val );
138 relay_back_initialize( BackendInfo *bi )
146 bi->bi_db_init = relay_back_db_init;
147 bi->bi_db_config = config_generic_wrapper;
148 bi->bi_db_open = relay_back_db_open;
150 bi->bi_db_close = relay_back_db_close;
152 bi->bi_db_destroy = relay_back_db_destroy;
154 bi->bi_op_bind = relay_back_op_bind;
155 bi->bi_op_unbind = relay_back_op_unbind;
156 bi->bi_op_search = relay_back_op_search;
157 bi->bi_op_compare = relay_back_op_compare;
158 bi->bi_op_modify = relay_back_op_modify;
159 bi->bi_op_modrdn = relay_back_op_modrdn;
160 bi->bi_op_add = relay_back_op_add;
161 bi->bi_op_delete = relay_back_op_delete;
162 bi->bi_op_abandon = relay_back_op_abandon;
163 bi->bi_op_cancel = relay_back_op_cancel;
164 bi->bi_extended = relay_back_op_extended;
165 bi->bi_entry_release_rw = relay_back_entry_release_rw;
166 bi->bi_entry_get_rw = relay_back_entry_get_rw;
167 #if 0 /* see comment in op.c */
168 bi->bi_chk_referrals = relay_back_chk_referrals;
170 bi->bi_operational = relay_back_operational;
171 bi->bi_has_subordinates = relay_back_has_subordinates;
173 bi->bi_connection_init = relay_back_connection_init;
174 bi->bi_connection_destroy = relay_back_connection_destroy;
176 bi->bi_cf_ocs = relayocs;
178 return config_register_schema( relaycfg, relayocs );
182 relay_back_db_init( Backend *be, ConfigReply *cr)
186 be->be_private = NULL;
188 ri = (relay_back_info *)ch_calloc( 1, sizeof( relay_back_info ) );
194 BER_BVZERO( &ri->ri_realsuffix );
197 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
199 be->be_private = (void *)ri;
205 relay_back_db_open( Backend *be, ConfigReply *cr )
207 relay_back_info *ri = (relay_back_info *)be->be_private;
209 assert( ri != NULL );
211 if ( !BER_BVISNULL( &ri->ri_realsuffix ) ) {
212 ri->ri_bd = select_backend( &ri->ri_realsuffix, 1 );
214 /* must be there: it was during config! */
215 assert( ri->ri_bd != NULL );
217 /* inherit controls */
218 AC_MEMCPY( be->be_ctrls, ri->ri_bd->be_ctrls, sizeof( be->be_ctrls ) );
222 AC_MEMCPY( be->be_ctrls, frontendDB->be_ctrls, sizeof( be->be_ctrls ) );
229 relay_back_db_close( Backend *be, ConfigReply *cr )
235 relay_back_db_destroy( Backend *be, ConfigReply *cr)
237 relay_back_info *ri = (relay_back_info *)be->be_private;
240 if ( !BER_BVISNULL( &ri->ri_realsuffix ) ) {
241 ch_free( ri->ri_realsuffix.bv_val );
249 #if SLAPD_RELAY == SLAPD_MOD_DYNAMIC
251 /* conditionally define the init_module() function */
252 SLAP_BACKEND_INIT_MODULE( relay )
254 #endif /* SLAPD_RELAY == SLAPD_MOD_DYNAMIC */