git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/init.c

   1 /* init.c - initialize ldap backend */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2003-2004 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   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 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/socket.h>
  30
  31 #include "slap.h"
  32 #include "back-ldap.h"
  33
  34 #if SLAPD_LDAP == SLAPD_MOD_DYNAMIC
  35
  36 int init_module(int argc, char *argv[]) {
  37     BackendInfo bi;
  38
  39     memset( &bi, '\0', sizeof(bi) );
  40     bi.bi_type = "ldap";
  41     bi.bi_init = ldap_back_initialize;
  42
  43     backend_add(&bi);
  44     return 0;
  45 }
  46
  47 #endif /* SLAPD_LDAP */
  48
  49 int
  50 ldap_back_initialize(
  51     BackendInfo *bi
  52 )
  53 {
  54         bi->bi_controls = slap_known_controls;
  55
  56         bi->bi_open = 0;
  57         bi->bi_config = 0;
  58         bi->bi_close = 0;
  59         bi->bi_destroy = 0;
  60
  61         bi->bi_db_init = ldap_back_db_init;
  62         bi->bi_db_config = ldap_back_db_config;
  63         bi->bi_db_open = 0;
  64         bi->bi_db_close = 0;
  65         bi->bi_db_destroy = ldap_back_db_destroy;
  66
  67         bi->bi_op_bind = ldap_back_bind;
  68         bi->bi_op_unbind = 0;
  69         bi->bi_op_search = ldap_back_search;
  70         bi->bi_op_compare = ldap_back_compare;
  71         bi->bi_op_modify = ldap_back_modify;
  72         bi->bi_op_modrdn = ldap_back_modrdn;
  73         bi->bi_op_add = ldap_back_add;
  74         bi->bi_op_delete = ldap_back_delete;
  75         bi->bi_op_abandon = 0;
  76
  77         bi->bi_extended = ldap_back_extended;
  78
  79         bi->bi_chk_referrals = 0;
  80         bi->bi_entry_get_rw = ldap_back_entry_get;
  81
  82         bi->bi_connection_init = 0;
  83         bi->bi_connection_destroy = ldap_back_conn_destroy;
  84
  85         return 0;
  86 }
  87
  88 int
  89 ldap_back_db_init(
  90     Backend     *be
  91 )
  92 {
  93         struct ldapinfo *li;
  94         struct ldapmapping *mapping;
  95
  96         li = (struct ldapinfo *) ch_calloc( 1, sizeof(struct ldapinfo) );
  97         if ( li == NULL ) {
  98                 return -1;
  99         }
 100
 101         BER_BVZERO( &li->binddn );
 102         BER_BVZERO( &li->bindpw );
 103
 104 #ifdef LDAP_BACK_PROXY_AUTHZ
 105         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
 106
 107         BER_BVZERO( &li->idassert_authcID );
 108         BER_BVZERO( &li->idassert_authcDN );
 109         BER_BVZERO( &li->idassert_passwd );
 110
 111         BER_BVZERO( &li->idassert_authzID );
 112         li->idassert_authz = NULL;
 113
 114         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 115         li->idassert_sasl_flags = LDAP_SASL_QUIET;
 116         BER_BVZERO( &li->idassert_sasl_mech );
 117         BER_BVZERO( &li->idassert_sasl_realm );
 118
 119         li->idassert_ppolicy = 0;
 120 #endif /* LDAP_BACK_PROXY_AUTHZ */
 121
 122 #ifdef ENABLE_REWRITE
 123         li->rwmap.rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
 124         if ( li->rwmap.rwm_rw == NULL ) {
 125                 ch_free( li );
 126                 return -1;
 127         }
 128
 129         {
 130                 char    *rargv[3];
 131
 132                 /*
 133                  * the filter rewrite as a string must be disabled
 134                  * by default; it can be re-enabled by adding rules;
 135                  * this creates an empty rewriteContext
 136                  */
 137                 rargv[ 0 ] = "rewriteContext";
 138                 rargv[ 1 ] = "searchFilter";
 139                 rargv[ 2 ] = NULL;
 140                 rewrite_parse( li->rwmap.rwm_rw, "<suffix massage>",
 141                                 1, 2, rargv );
 142
 143                 rargv[ 0 ] = "rewriteContext";
 144                 rargv[ 1 ] = "default";
 145                 rargv[ 2 ] = NULL;
 146                 rewrite_parse( li->rwmap.rwm_rw, "<suffix massage>",
 147                                 1, 2, rargv );
 148         }
 149 #endif /* ENABLE_REWRITE */
 150
 151         ldap_pvt_thread_mutex_init( &li->conn_mutex );
 152
 153         ldap_back_map_init( &li->rwmap.rwm_oc, &mapping );
 154         ldap_back_map_init( &li->rwmap.rwm_at, &mapping );
 155
 156         li->be = be;
 157         be->be_private = li;
 158         SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NOLASTMOD;
 159
 160         return 0;
 161 }
 162
 163 void
 164 ldap_back_conn_free(
 165         void *v_lc
 166 )
 167 {
 168         struct ldapconn *lc = v_lc;
 169         ldap_unbind( lc->ld );
 170         if ( lc->bound_dn.bv_val ) {
 171                 ch_free( lc->bound_dn.bv_val );
 172         }
 173         if ( lc->cred.bv_val ) {
 174                 memset( lc->cred.bv_val, 0, lc->cred.bv_len );
 175                 ch_free( lc->cred.bv_val );
 176         }
 177         if ( lc->local_dn.bv_val ) {
 178                 ch_free( lc->local_dn.bv_val );
 179         }
 180         ldap_pvt_thread_mutex_destroy( &lc->lc_mutex );
 181         ch_free( lc );
 182 }
 183
 184 void
 185 mapping_free( void *v_mapping )
 186 {
 187         struct ldapmapping *mapping = v_mapping;
 188         ch_free( mapping->src.bv_val );
 189         ch_free( mapping->dst.bv_val );
 190         ch_free( mapping );
 191 }
 192
 193 int
 194 ldap_back_db_destroy(
 195     Backend     *be
 196 )
 197 {
 198         struct ldapinfo *li;
 199
 200         if (be->be_private) {
 201                 li = (struct ldapinfo *)be->be_private;
 202
 203                 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
 204
 205                 if (li->url) {
 206                         ch_free(li->url);
 207                         li->url = NULL;
 208                 }
 209                 if ( li->lud ) {
 210                         ldap_free_urldesc( li->lud );
 211                         li->lud = NULL;
 212                 }
 213                 if ( !BER_BVISNULL( &li->binddn ) ) {
 214                         ch_free( li->binddn.bv_val );
 215                         BER_BVZERO( &li->binddn );
 216                 }
 217                 if ( !BER_BVISNULL( &li->bindpw ) ) {
 218                         ch_free( li->bindpw.bv_val );
 219                         BER_BVZERO( &li->bindpw );
 220                 }
 221 #ifdef LDAP_BACK_PROXY_AUTHZ
 222                 if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 223                         ch_free( li->idassert_authcID.bv_val );
 224                         BER_BVZERO( &li->idassert_authcID );
 225                 }
 226                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 227                         ch_free( li->idassert_authcDN.bv_val );
 228                         BER_BVZERO( &li->idassert_authcDN );
 229                 }
 230                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 231                         ch_free( li->idassert_passwd.bv_val );
 232                         BER_BVZERO( &li->idassert_passwd );
 233                 }
 234                 if ( !BER_BVISNULL( &li->idassert_authzID ) ) {
 235                         ch_free( li->idassert_authzID.bv_val );
 236                         BER_BVZERO( &li->idassert_authzID );
 237                 }
 238                 if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 239                         ch_free( li->idassert_sasl_mech.bv_val );
 240                         BER_BVZERO( &li->idassert_sasl_mech );
 241                 }
 242                 if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 243                         ch_free( li->idassert_sasl_realm.bv_val );
 244                         BER_BVZERO( &li->idassert_sasl_realm );
 245                 }
 246 #endif /* LDAP_BACK_PROXY_AUTHZ */
 247                 if (li->conntree) {
 248                         avl_free( li->conntree, ldap_back_conn_free );
 249                 }
 250 #ifdef ENABLE_REWRITE
 251                 if (li->rwmap.rwm_rw) {
 252                         rewrite_info_delete( &li->rwmap.rwm_rw );
 253                 }
 254 #else /* !ENABLE_REWRITE */
 255                 if (li->rwmap.rwm_suffix_massage) {
 256                         ber_bvarray_free( li->rwmap.rwm_suffix_massage );
 257                 }
 258 #endif /* !ENABLE_REWRITE */
 259
 260                 avl_free( li->rwmap.rwm_oc.remap, NULL );
 261                 avl_free( li->rwmap.rwm_oc.map, mapping_free );
 262                 avl_free( li->rwmap.rwm_at.remap, NULL );
 263                 avl_free( li->rwmap.rwm_at.map, mapping_free );
 264
 265                 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
 266                 ldap_pvt_thread_mutex_destroy( &li->conn_mutex );
 267         }
 268
 269         ch_free( be->be_private );
 270         return 0;
 271 }