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 #ifdef SLAPD_LDAP_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_DYNAMIC */
  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         li->binddn.bv_val = NULL;
 102         li->binddn.bv_len = 0;
 103         li->bindpw.bv_val = NULL;
 104         li->bindpw.bv_len = 0;
 105
 106 #ifdef LDAP_BACK_PROXY_AUTHZ
 107         li->proxyauthzdn.bv_val = NULL;
 108         li->proxyauthzdn.bv_len = 0;
 109         li->proxyauthzpw.bv_val = NULL;
 110         li->proxyauthzpw.bv_len = 0;
 111 #endif /* LDAP_BACK_PROXY_AUTHZ */
 112
 113 #ifdef ENABLE_REWRITE
 114         li->rwmap.rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
 115         if ( li->rwmap.rwm_rw == NULL ) {
 116                 ch_free( li );
 117                 return -1;
 118         }
 119
 120         {
 121                 char    *rargv[3];
 122
 123                 /*
 124                  * the filter rewrite as a string must be disabled
 125                  * by default; it can be re-enabled by adding rules;
 126                  * this creates an empty rewriteContext
 127                  */
 128                 rargv[ 0 ] = "rewriteContext";
 129                 rargv[ 1 ] = "searchFilter";
 130                 rargv[ 2 ] = NULL;
 131                 rewrite_parse( li->rwmap.rwm_rw, "<suffix massage>",
 132                                 1, 2, rargv );
 133
 134                 rargv[ 0 ] = "rewriteContext";
 135                 rargv[ 1 ] = "default";
 136                 rargv[ 2 ] = NULL;
 137                 rewrite_parse( li->rwmap.rwm_rw, "<suffix massage>",
 138                                 1, 2, rargv );
 139         }
 140 #endif /* ENABLE_REWRITE */
 141
 142         ldap_pvt_thread_mutex_init( &li->conn_mutex );
 143
 144         ldap_back_map_init( &li->rwmap.rwm_oc, &mapping );
 145         ldap_back_map_init( &li->rwmap.rwm_at, &mapping );
 146
 147         li->be = be;
 148         be->be_private = li;
 149         SLAP_DBFLAGS(be) |= SLAP_BFLAG_NOLASTMOD;
 150
 151         return 0;
 152 }
 153
 154 void
 155 ldap_back_conn_free(
 156         void *v_lc
 157 )
 158 {
 159         struct ldapconn *lc = v_lc;
 160         ldap_unbind( lc->ld );
 161         if ( lc->bound_dn.bv_val ) {
 162                 ch_free( lc->bound_dn.bv_val );
 163         }
 164         if ( lc->cred.bv_val ) {
 165                 memset( lc->cred.bv_val, 0, lc->cred.bv_len );
 166                 ch_free( lc->cred.bv_val );
 167         }
 168         if ( lc->local_dn.bv_val ) {
 169                 ch_free( lc->local_dn.bv_val );
 170         }
 171         ldap_pvt_thread_mutex_destroy( &lc->lc_mutex );
 172         ch_free( lc );
 173 }
 174
 175 void
 176 mapping_free( void *v_mapping )
 177 {
 178         struct ldapmapping *mapping = v_mapping;
 179         ch_free( mapping->src.bv_val );
 180         ch_free( mapping->dst.bv_val );
 181         ch_free( mapping );
 182 }
 183
 184 int
 185 ldap_back_db_destroy(
 186     Backend     *be
 187 )
 188 {
 189         struct ldapinfo *li;
 190
 191         if (be->be_private) {
 192                 li = (struct ldapinfo *)be->be_private;
 193
 194                 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
 195
 196                 if (li->url) {
 197                         ch_free(li->url);
 198                         li->url = NULL;
 199                 }
 200                 if ( li->lud ) {
 201                         ldap_free_urldesc( li->lud );
 202                         li->lud = NULL;
 203                 }
 204                 if (li->binddn.bv_val) {
 205                         ch_free(li->binddn.bv_val);
 206                         li->binddn.bv_val = NULL;
 207                 }
 208                 if (li->bindpw.bv_val) {
 209                         ch_free(li->bindpw.bv_val);
 210                         li->bindpw.bv_val = NULL;
 211                 }
 212 #ifdef LDAP_BACK_PROXY_AUTHZ
 213                 if (li->proxyauthzdn.bv_val) {
 214                         ch_free(li->proxyauthzdn.bv_val);
 215                         li->proxyauthzdn.bv_val = NULL;
 216                 }
 217                 if (li->proxyauthzpw.bv_val) {
 218                         ch_free(li->proxyauthzpw.bv_val);
 219                         li->proxyauthzpw.bv_val = NULL;
 220                 }
 221 #endif /* LDAP_BACK_PROXY_AUTHZ */
 222                 if (li->conntree) {
 223                         avl_free( li->conntree, ldap_back_conn_free );
 224                 }
 225 #ifdef ENABLE_REWRITE
 226                 if (li->rwmap.rwm_rw) {
 227                         rewrite_info_delete( &li->rwmap.rwm_rw );
 228                 }
 229 #else /* !ENABLE_REWRITE */
 230                 if (li->rwmap.rwm_suffix_massage) {
 231                         ber_bvarray_free( li->rwmap.rwm_suffix_massage );
 232                 }
 233 #endif /* !ENABLE_REWRITE */
 234
 235                 avl_free( li->rwmap.rwm_oc.remap, NULL );
 236                 avl_free( li->rwmap.rwm_oc.map, mapping_free );
 237                 avl_free( li->rwmap.rwm_at.remap, NULL );
 238                 avl_free( li->rwmap.rwm_at.map, mapping_free );
 239
 240                 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
 241                 ldap_pvt_thread_mutex_destroy( &li->conn_mutex );
 242         }
 243
 244         ch_free( be->be_private );
 245         return 0;
 246 }