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->acl_authcDN );
 102         BER_BVZERO( &li->acl_passwd );
 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
 121 #ifdef LDAP_BACK_HOW_TO_DETECT_SASL_NATIVE_AUTHZ
 122         li->idassert_flags = LDAP_BACK_AUTH_NONE;
 123 #endif /* LDAP_BACK_HOW_TO_DETECT_SASL_NATIVE_AUTHZ */
 124 #endif /* LDAP_BACK_PROXY_AUTHZ */
 125
 126 #ifdef ENABLE_REWRITE
 127         li->rwmap.rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
 128         if ( li->rwmap.rwm_rw == NULL ) {
 129                 ch_free( li );
 130                 return -1;
 131         }
 132
 133         {
 134                 char    *rargv[3];
 135
 136                 /*
 137                  * the filter rewrite as a string must be disabled
 138                  * by default; it can be re-enabled by adding rules;
 139                  * this creates an empty rewriteContext
 140                  */
 141                 rargv[ 0 ] = "rewriteContext";
 142                 rargv[ 1 ] = "searchFilter";
 143                 rargv[ 2 ] = NULL;
 144                 rewrite_parse( li->rwmap.rwm_rw, "<suffix massage>",
 145                                 1, 2, rargv );
 146
 147                 rargv[ 0 ] = "rewriteContext";
 148                 rargv[ 1 ] = "default";
 149                 rargv[ 2 ] = NULL;
 150                 rewrite_parse( li->rwmap.rwm_rw, "<suffix massage>",
 151                                 1, 2, rargv );
 152         }
 153 #endif /* ENABLE_REWRITE */
 154
 155         ldap_pvt_thread_mutex_init( &li->conn_mutex );
 156
 157         ldap_back_map_init( &li->rwmap.rwm_oc, &mapping );
 158         ldap_back_map_init( &li->rwmap.rwm_at, &mapping );
 159
 160         be->be_private = li;
 161         SLAP_DBFLAGS(be) |= SLAP_DBFLAG_NOLASTMOD;
 162
 163         return 0;
 164 }
 165
 166 void
 167 ldap_back_conn_free(
 168         void *v_lc
 169 )
 170 {
 171         struct ldapconn *lc = v_lc;
 172         ldap_unbind( lc->ld );
 173         if ( lc->bound_dn.bv_val ) {
 174                 ch_free( lc->bound_dn.bv_val );
 175         }
 176         if ( lc->cred.bv_val ) {
 177                 memset( lc->cred.bv_val, 0, lc->cred.bv_len );
 178                 ch_free( lc->cred.bv_val );
 179         }
 180         if ( lc->local_dn.bv_val ) {
 181                 ch_free( lc->local_dn.bv_val );
 182         }
 183         ldap_pvt_thread_mutex_destroy( &lc->lc_mutex );
 184         ch_free( lc );
 185 }
 186
 187 void
 188 mapping_free( void *v_mapping )
 189 {
 190         struct ldapmapping *mapping = v_mapping;
 191         ch_free( mapping->src.bv_val );
 192         ch_free( mapping->dst.bv_val );
 193         ch_free( mapping );
 194 }
 195
 196 int
 197 ldap_back_db_destroy(
 198     Backend     *be
 199 )
 200 {
 201         struct ldapinfo *li;
 202
 203         if (be->be_private) {
 204                 li = (struct ldapinfo *)be->be_private;
 205
 206                 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
 207
 208                 if (li->url) {
 209                         ch_free(li->url);
 210                         li->url = NULL;
 211                 }
 212                 if ( li->lud ) {
 213                         ldap_free_urldesc( li->lud );
 214                         li->lud = NULL;
 215                 }
 216                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
 217                         ch_free( li->acl_authcDN.bv_val );
 218                         BER_BVZERO( &li->acl_authcDN );
 219                 }
 220                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
 221                         ch_free( li->acl_passwd.bv_val );
 222                         BER_BVZERO( &li->acl_passwd );
 223                 }
 224 #ifdef LDAP_BACK_PROXY_AUTHZ
 225                 if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 226                         ch_free( li->idassert_authcID.bv_val );
 227                         BER_BVZERO( &li->idassert_authcID );
 228                 }
 229                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 230                         ch_free( li->idassert_authcDN.bv_val );
 231                         BER_BVZERO( &li->idassert_authcDN );
 232                 }
 233                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 234                         ch_free( li->idassert_passwd.bv_val );
 235                         BER_BVZERO( &li->idassert_passwd );
 236                 }
 237                 if ( !BER_BVISNULL( &li->idassert_authzID ) ) {
 238                         ch_free( li->idassert_authzID.bv_val );
 239                         BER_BVZERO( &li->idassert_authzID );
 240                 }
 241                 if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 242                         ch_free( li->idassert_sasl_mech.bv_val );
 243                         BER_BVZERO( &li->idassert_sasl_mech );
 244                 }
 245                 if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 246                         ch_free( li->idassert_sasl_realm.bv_val );
 247                         BER_BVZERO( &li->idassert_sasl_realm );
 248                 }
 249 #endif /* LDAP_BACK_PROXY_AUTHZ */
 250                 if (li->conntree) {
 251                         avl_free( li->conntree, ldap_back_conn_free );
 252                 }
 253 #ifdef ENABLE_REWRITE
 254                 if (li->rwmap.rwm_rw) {
 255                         rewrite_info_delete( &li->rwmap.rwm_rw );
 256                 }
 257 #else /* !ENABLE_REWRITE */
 258                 if (li->rwmap.rwm_suffix_massage) {
 259                         ber_bvarray_free( li->rwmap.rwm_suffix_massage );
 260                 }
 261 #endif /* !ENABLE_REWRITE */
 262
 263                 avl_free( li->rwmap.rwm_oc.remap, NULL );
 264                 avl_free( li->rwmap.rwm_oc.map, mapping_free );
 265                 avl_free( li->rwmap.rwm_at.remap, NULL );
 266                 avl_free( li->rwmap.rwm_at.map, mapping_free );
 267
 268                 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
 269                 ldap_pvt_thread_mutex_destroy( &li->conn_mutex );
 270         }
 271
 272         ch_free( be->be_private );
 273         return 0;
 274 }