1 /* init.c - initialize relay backend */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2004-2008 The OpenLDAP Foundation.
6 * Portions Copyright 2004 Pierangelo Masarati.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
18 * This work was initially developed by Pierangelo Masarati for inclusion
19 * in OpenLDAP Software.
25 #include <ac/string.h>
29 #include "back-relay.h"
31 static ConfigDriver relay_back_cf;
33 static ConfigTable relaycfg[] = {
34 { "relay", "relay", 2, 2, 0,
36 relay_back_cf, "( OLcfgDbAt:5.1 "
45 static ConfigOCs relayocs[] = {
47 "NAME 'olcRelayConfig' "
48 "DESC 'Relay backend configuration' "
49 "SUP olcDatabaseConfig "
52 Cft_Database, relaycfg},
57 relay_back_cf( ConfigArgs *c )
59 relay_back_info *ri = ( relay_back_info * )c->be->be_private;
62 if ( c->op == SLAP_CONFIG_EMIT ) {
63 if ( ri != NULL && !BER_BVISNULL( &ri->ri_realsuffix ) ) {
64 value_add_one( &c->rvalue_vals, &ri->ri_realsuffix );
69 } else if ( c->op == LDAP_MOD_DELETE ) {
70 if ( !BER_BVISNULL( &ri->ri_realsuffix ) ) {
71 ch_free( ri->ri_realsuffix.bv_val );
72 BER_BVZERO( &ri->ri_realsuffix );
82 assert( BER_BVISNULL( &ri->ri_realsuffix ) );
84 if ( c->be->be_nsuffix == NULL ) {
85 snprintf( c->cr_msg, sizeof( c->cr_msg),
86 "\"relay\" directive "
87 "must appear after \"suffix\"" );
88 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
89 "%s: %s.\n", c->log, c->cr_msg );
94 if ( !BER_BVISNULL( &c->be->be_nsuffix[ 1 ] ) ) {
95 snprintf( c->cr_msg, sizeof( c->cr_msg),
96 "relaying of multiple suffix "
97 "database not supported" );
98 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
99 "%s: %s.\n", c->log, c->cr_msg );
104 bd = select_backend( &c->value_ndn, 1 );
106 snprintf( c->cr_msg, sizeof( c->cr_msg),
107 "cannot find database "
108 "of relay dn \"%s\" "
109 "in \"olcRelay <dn>\"\n",
110 c->value_dn.bv_val );
111 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
112 "%s: %s.\n", c->log, c->cr_msg );
116 } else if ( bd->be_private == c->be->be_private ) {
117 snprintf( c->cr_msg, sizeof( c->cr_msg),
118 "relay dn \"%s\" would call self "
119 "in \"relay <dn>\" line\n",
120 c->value_dn.bv_val );
121 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
122 "%s: %s.\n", c->log, c->cr_msg );
127 ri->ri_realsuffix = c->value_ndn;
128 BER_BVZERO( &c->value_ndn );
131 ch_free( c->value_dn.bv_val );
132 ch_free( c->value_ndn.bv_val );
139 relay_back_initialize( BackendInfo *bi )
147 bi->bi_db_init = relay_back_db_init;
148 bi->bi_db_config = config_generic_wrapper;
149 bi->bi_db_open = relay_back_db_open;
151 bi->bi_db_close = relay_back_db_close;
153 bi->bi_db_destroy = relay_back_db_destroy;
155 bi->bi_op_bind = relay_back_op_bind;
156 bi->bi_op_unbind = relay_back_op_unbind;
157 bi->bi_op_search = relay_back_op_search;
158 bi->bi_op_compare = relay_back_op_compare;
159 bi->bi_op_modify = relay_back_op_modify;
160 bi->bi_op_modrdn = relay_back_op_modrdn;
161 bi->bi_op_add = relay_back_op_add;
162 bi->bi_op_delete = relay_back_op_delete;
163 bi->bi_op_abandon = relay_back_op_abandon;
164 bi->bi_op_cancel = relay_back_op_cancel;
165 bi->bi_extended = relay_back_op_extended;
166 bi->bi_entry_release_rw = relay_back_entry_release_rw;
167 bi->bi_entry_get_rw = relay_back_entry_get_rw;
168 #if 0 /* see comment in op.c */
169 bi->bi_chk_referrals = relay_back_chk_referrals;
171 bi->bi_operational = relay_back_operational;
172 bi->bi_has_subordinates = relay_back_has_subordinates;
174 bi->bi_connection_init = relay_back_connection_init;
175 bi->bi_connection_destroy = relay_back_connection_destroy;
177 bi->bi_cf_ocs = relayocs;
179 return config_register_schema( relaycfg, relayocs );
183 relay_back_db_init( Backend *be, ConfigReply *cr)
187 be->be_private = NULL;
189 ri = (relay_back_info *)ch_calloc( 1, sizeof( relay_back_info ) );
195 BER_BVZERO( &ri->ri_realsuffix );
198 be->be_cf_ocs = be->bd_info->bi_cf_ocs;
200 be->be_private = (void *)ri;
206 relay_back_db_open( Backend *be, ConfigReply *cr )
208 relay_back_info *ri = (relay_back_info *)be->be_private;
210 assert( ri != NULL );
212 if ( !BER_BVISNULL( &ri->ri_realsuffix ) ) {
213 ri->ri_bd = select_backend( &ri->ri_realsuffix, 1 );
215 /* must be there: it was during config! */
216 assert( ri->ri_bd != NULL );
218 /* inherit controls */
219 AC_MEMCPY( be->be_ctrls, ri->ri_bd->be_ctrls, sizeof( be->be_ctrls ) );
223 AC_MEMCPY( be->be_ctrls, frontendDB->be_ctrls, sizeof( be->be_ctrls ) );
230 relay_back_db_close( Backend *be, ConfigReply *cr )
236 relay_back_db_destroy( Backend *be, ConfigReply *cr)
238 relay_back_info *ri = (relay_back_info *)be->be_private;
241 if ( !BER_BVISNULL( &ri->ri_realsuffix ) ) {
242 ch_free( ri->ri_realsuffix.bv_val );
250 #if SLAPD_RELAY == SLAPD_MOD_DYNAMIC
252 /* conditionally define the init_module() function */
253 SLAP_BACKEND_INIT_MODULE( relay )
255 #endif /* SLAPD_RELAY == SLAPD_MOD_DYNAMIC */