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         ldap_chain_setup();
  86
  87         return 0;
  88 }
  89
  90 int
  91 ldap_back_db_init(
  92     Backend     *be
  93 )
  94 {
  95         struct ldapinfo *li;
  96         struct ldapmapping *mapping;
  97
  98         li = (struct ldapinfo *) ch_calloc( 1, sizeof(struct ldapinfo) );
  99         if ( li == NULL ) {
 100                 return -1;
 101         }
 102
 103         li->binddn.bv_val = NULL;
 104         li->binddn.bv_len = 0;
 105         li->bindpw.bv_val = NULL;
 106         li->bindpw.bv_len = 0;
 107
 108 #ifdef LDAP_BACK_PROXY_AUTHZ
 109         li->proxyauthzdn.bv_val = NULL;
 110         li->proxyauthzdn.bv_len = 0;
 111         li->proxyauthzpw.bv_val = NULL;
 112         li->proxyauthzpw.bv_len = 0;
 113 #endif /* LDAP_BACK_PROXY_AUTHZ */
 114
 115 #ifdef ENABLE_REWRITE
 116         li->rwmap.rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
 117         if ( li->rwmap.rwm_rw == NULL ) {
 118                 ch_free( li );
 119                 return -1;
 120         }
 121
 122         {
 123                 char    *rargv[3];
 124
 125                 /*
 126                  * the filter rewrite as a string must be disabled
 127                  * by default; it can be re-enabled by adding rules;
 128                  * this creates an empty rewriteContext
 129                  */
 130                 rargv[ 0 ] = "rewriteContext";
 131                 rargv[ 1 ] = "searchFilter";
 132                 rargv[ 2 ] = NULL;
 133                 rewrite_parse( li->rwmap.rwm_rw, "<suffix massage>",
 134                                 1, 2, rargv );
 135
 136                 rargv[ 0 ] = "rewriteContext";
 137                 rargv[ 1 ] = "default";
 138                 rargv[ 2 ] = NULL;
 139                 rewrite_parse( li->rwmap.rwm_rw, "<suffix massage>",
 140                                 1, 2, rargv );
 141         }
 142 #endif /* ENABLE_REWRITE */
 143
 144         ldap_pvt_thread_mutex_init( &li->conn_mutex );
 145
 146         ldap_back_map_init( &li->rwmap.rwm_oc, &mapping );
 147         ldap_back_map_init( &li->rwmap.rwm_at, &mapping );
 148
 149         be->be_private = li;
 150         SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NOLASTMOD;
 151
 152         return 0;
 153 }
 154
 155 void
 156 ldap_back_conn_free(
 157         void *v_lc
 158 )
 159 {
 160         struct ldapconn *lc = v_lc;
 161         ldap_unbind( lc->ld );
 162         if ( lc->bound_dn.bv_val ) {
 163                 ch_free( lc->bound_dn.bv_val );
 164         }
 165         if ( lc->cred.bv_val ) {
 166                 memset( lc->cred.bv_val, 0, lc->cred.bv_len );
 167                 ch_free( lc->cred.bv_val );
 168         }
 169         if ( lc->local_dn.bv_val ) {
 170                 ch_free( lc->local_dn.bv_val );
 171         }
 172         ldap_pvt_thread_mutex_destroy( &lc->lc_mutex );
 173         ch_free( lc );
 174 }
 175
 176 void
 177 mapping_free( void *v_mapping )
 178 {
 179         struct ldapmapping *mapping = v_mapping;
 180         ch_free( mapping->src.bv_val );
 181         ch_free( mapping->dst.bv_val );
 182         ch_free( mapping );
 183 }
 184
 185 int
 186 ldap_back_db_destroy(
 187     Backend     *be
 188 )
 189 {
 190         struct ldapinfo *li;
 191
 192         if (be->be_private) {
 193                 li = (struct ldapinfo *)be->be_private;
 194
 195                 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
 196
 197                 if (li->url) {
 198                         ch_free(li->url);
 199                         li->url = NULL;
 200                 }
 201                 if ( li->lud ) {
 202                         ldap_free_urldesc( li->lud );
 203                         li->lud = NULL;
 204                 }
 205                 if (li->binddn.bv_val) {
 206                         ch_free(li->binddn.bv_val);
 207                         li->binddn.bv_val = NULL;
 208                 }
 209                 if (li->bindpw.bv_val) {
 210                         ch_free(li->bindpw.bv_val);
 211                         li->bindpw.bv_val = NULL;
 212                 }
 213 #ifdef LDAP_BACK_PROXY_AUTHZ
 214                 if (li->proxyauthzdn.bv_val) {
 215                         ch_free(li->proxyauthzdn.bv_val);
 216                         li->proxyauthzdn.bv_val = NULL;
 217                 }
 218                 if (li->proxyauthzpw.bv_val) {
 219                         ch_free(li->proxyauthzpw.bv_val);
 220                         li->proxyauthzpw.bv_val = NULL;
 221                 }
 222 #endif /* LDAP_BACK_PROXY_AUTHZ */
 223                 if (li->conntree) {
 224                         avl_free( li->conntree, ldap_back_conn_free );
 225                 }
 226 #ifdef ENABLE_REWRITE
 227                 if (li->rwmap.rwm_rw) {
 228                         rewrite_info_delete( &li->rwmap.rwm_rw );
 229                 }
 230 #else /* !ENABLE_REWRITE */
 231                 if (li->rwmap.rwm_suffix_massage) {
 232                         ber_bvarray_free( li->rwmap.rwm_suffix_massage );
 233                 }
 234 #endif /* !ENABLE_REWRITE */
 235
 236                 avl_free( li->rwmap.rwm_oc.remap, NULL );
 237                 avl_free( li->rwmap.rwm_oc.map, mapping_free );
 238                 avl_free( li->rwmap.rwm_at.remap, NULL );
 239                 avl_free( li->rwmap.rwm_at.map, mapping_free );
 240
 241                 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
 242                 ldap_pvt_thread_mutex_destroy( &li->conn_mutex );
 243         }
 244
 245         ch_free( be->be_private );
 246         return 0;
 247 }