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 2003-2005 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 int
  35 ldap_back_open( BackendInfo     *bi )
  36 {
  37         bi->bi_controls = slap_known_controls;
  38         return 0;
  39 }
  40
  41 int
  42 ldap_back_initialize( BackendInfo *bi )
  43 {
  44         bi->bi_open = ldap_back_open;
  45         bi->bi_config = 0;
  46         bi->bi_close = 0;
  47         bi->bi_destroy = 0;
  48
  49         bi->bi_db_init = ldap_back_db_init;
  50         bi->bi_db_config = ldap_back_db_config;
  51         bi->bi_db_open = ldap_back_db_open;
  52         bi->bi_db_close = 0;
  53         bi->bi_db_destroy = ldap_back_db_destroy;
  54
  55         bi->bi_op_bind = ldap_back_bind;
  56         bi->bi_op_unbind = 0;
  57         bi->bi_op_search = ldap_back_search;
  58         bi->bi_op_compare = ldap_back_compare;
  59         bi->bi_op_modify = ldap_back_modify;
  60         bi->bi_op_modrdn = ldap_back_modrdn;
  61         bi->bi_op_add = ldap_back_add;
  62         bi->bi_op_delete = ldap_back_delete;
  63         bi->bi_op_abandon = 0;
  64
  65         bi->bi_extended = ldap_back_extended;
  66
  67         bi->bi_chk_referrals = 0;
  68         bi->bi_entry_get_rw = ldap_back_entry_get;
  69
  70         bi->bi_connection_init = 0;
  71         bi->bi_connection_destroy = ldap_back_conn_destroy;
  72
  73         if ( chain_init( ) ) {
  74                 return -1;
  75         }
  76
  77         return 0;
  78 }
  79
  80 int
  81 ldap_back_db_init( Backend *be )
  82 {
  83         struct ldapinfo *li;
  84
  85         li = (struct ldapinfo *)ch_calloc( 1, sizeof( struct ldapinfo ) );
  86         if ( li == NULL ) {
  87                 return -1;
  88         }
  89
  90         BER_BVZERO( &li->acl_authcDN );
  91         BER_BVZERO( &li->acl_passwd );
  92
  93         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
  94
  95         BER_BVZERO( &li->idassert_authcID );
  96         BER_BVZERO( &li->idassert_authcDN );
  97         BER_BVZERO( &li->idassert_passwd );
  98
  99         BER_BVZERO( &li->idassert_authzID );
 100         li->idassert_authz = NULL;
 101
 102         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 103         li->idassert_sasl_flags = LDAP_SASL_QUIET;
 104         BER_BVZERO( &li->idassert_sasl_mech );
 105         BER_BVZERO( &li->idassert_sasl_realm );
 106
 107         li->idassert_ppolicy = 0;
 108
 109         /* by default, use proxyAuthz control on each operation */
 110         li->idassert_flags = LDAP_BACK_AUTH_NONE;
 111
 112         ldap_pvt_thread_mutex_init( &li->conn_mutex );
 113
 114         be->be_private = li;
 115         SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_NOLASTMOD;
 116
 117         return 0;
 118 }
 119
 120 int
 121 ldap_back_db_open( BackendDB *be )
 122 {
 123         struct ldapinfo *li = (struct ldapinfo *)be->be_private;
 124
 125         Debug( LDAP_DEBUG_TRACE,
 126                 "ldap_back_db_open: URI=%s\n",
 127                 li->url != NULL ? li->url : "", 0, 0 );
 128
 129         /* by default, use proxyAuthz control on each operation */
 130         switch ( li->idassert_mode ) {
 131         case LDAP_BACK_IDASSERT_LEGACY:
 132         case LDAP_BACK_IDASSERT_SELF:
 133                 /* however, since admin connections are pooled and shared,
 134                  * only static authzIDs can be native */
 135                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 136                 break;
 137
 138         default:
 139                 break;
 140         }
 141
 142 #if 0 && defined(SLAPD_MONITOR)
 143         {
 144                 /* FIXME: disabled because namingContexts doesn't have
 145                  * a matching rule, and using an MRA filter doesn't work
 146                  * because the normalized assertion is compared to the
 147                  * non-normalized value, which in general differ.
 148                  * See ITS#3406 */
 149                 struct berval   filter,
 150                                 base = BER_BVC( "cn=Databases,cn=Monitor" );
 151                 struct berval   vals[ 2 ];
 152                 Attribute       a = { 0 };
 153
 154                 filter.bv_len = STRLENOF( "(&(namingContexts:distinguishedNameMatch:=)(monitoredInfo=ldap))" )
 155                         + be->be_nsuffix[ 0 ].bv_len;
 156                 filter.bv_val = ch_malloc( filter.bv_len + 1 );
 157                 snprintf( filter.bv_val, filter.bv_len + 1,
 158                                 "(&(namingContexts:distinguishedNameMatch:=%s)(monitoredInfo=ldap))",
 159                                 be->be_nsuffix[ 0 ].bv_val );
 160
 161                 a.a_desc = slap_schema.si_ad_labeledURI;
 162                 ber_str2bv( li->url, 0, 0, &vals[ 0 ] );
 163                 BER_BVZERO( &vals[ 1 ] );
 164                 a.a_vals = vals;
 165                 a.a_nvals = vals;
 166                 if ( monitor_back_register_entry_attrs( NULL, &a, NULL, &base, LDAP_SCOPE_SUBTREE, &filter ) ) {
 167                         /* error */
 168                 }
 169
 170                 ch_free( filter.bv_val );
 171         }
 172 #endif /* SLAPD_MONITOR */
 173
 174         return 0;
 175 }
 176
 177 void
 178 ldap_back_conn_free( void *v_lc )
 179 {
 180         struct ldapconn *lc = v_lc;
 181
 182         ldap_unbind_ext_s( lc->lc_ld, NULL, NULL );
 183         if ( !BER_BVISNULL( &lc->lc_bound_ndn ) ) {
 184                 ch_free( lc->lc_bound_ndn.bv_val );
 185         }
 186         if ( !BER_BVISNULL( &lc->lc_cred ) ) {
 187                 memset( lc->lc_cred.bv_val, 0, lc->lc_cred.bv_len );
 188                 ch_free( lc->lc_cred.bv_val );
 189         }
 190         if ( !BER_BVISNULL( &lc->lc_local_ndn ) ) {
 191                 ch_free( lc->lc_local_ndn.bv_val );
 192         }
 193         ldap_pvt_thread_mutex_destroy( &lc->lc_mutex );
 194         ch_free( lc );
 195 }
 196
 197 int
 198 ldap_back_db_destroy(
 199     Backend     *be
 200 )
 201 {
 202         struct ldapinfo *li;
 203
 204         if ( be->be_private ) {
 205                 li = ( struct ldapinfo * )be->be_private;
 206
 207                 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
 208
 209                 if ( li->url != NULL ) {
 210                         ch_free( li->url );
 211                         li->url = NULL;
 212                 }
 213                 if ( li->lud ) {
 214                         ldap_free_urldesc( li->lud );
 215                         li->lud = NULL;
 216                 }
 217                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
 218                         ch_free( li->acl_authcDN.bv_val );
 219                         BER_BVZERO( &li->acl_authcDN );
 220                 }
 221                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
 222                         ch_free( li->acl_passwd.bv_val );
 223                         BER_BVZERO( &li->acl_passwd );
 224                 }
 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                 if ( li->conntree ) {
 250                         avl_free( li->conntree, ldap_back_conn_free );
 251                 }
 252
 253                 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
 254                 ldap_pvt_thread_mutex_destroy( &li->conn_mutex );
 255         }
 256
 257         ch_free( be->be_private );
 258
 259         return 0;
 260 }
 261
 262 #if SLAPD_LDAP == SLAPD_MOD_DYNAMIC
 263
 264 /* conditionally define the init_module() function */
 265 SLAP_BACKEND_INIT_MODULE( ldap )
 266
 267 #endif /* SLAPD_LDAP == SLAPD_MOD_DYNAMIC */
 268