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 #include "external.h"
  34
  35 int
  36 ldap_back_open( BackendInfo     *bi )
  37 {
  38         bi->bi_controls = slap_known_controls;
  39         return 0;
  40 }
  41
  42 int
  43 ldap_back_initialize( BackendInfo *bi )
  44 {
  45         bi->bi_open = ldap_back_open;
  46         bi->bi_config = 0;
  47         bi->bi_close = 0;
  48         bi->bi_destroy = 0;
  49
  50         bi->bi_db_init = ldap_back_db_init;
  51         bi->bi_db_config = ldap_back_db_config;
  52         bi->bi_db_open = ldap_back_db_open;
  53         bi->bi_db_close = 0;
  54         bi->bi_db_destroy = ldap_back_db_destroy;
  55
  56         bi->bi_op_bind = ldap_back_bind;
  57         bi->bi_op_unbind = 0;
  58         bi->bi_op_search = ldap_back_search;
  59         bi->bi_op_compare = ldap_back_compare;
  60         bi->bi_op_modify = ldap_back_modify;
  61         bi->bi_op_modrdn = ldap_back_modrdn;
  62         bi->bi_op_add = ldap_back_add;
  63         bi->bi_op_delete = ldap_back_delete;
  64         bi->bi_op_abandon = 0;
  65
  66         bi->bi_extended = ldap_back_extended;
  67
  68         bi->bi_chk_referrals = 0;
  69         bi->bi_entry_get_rw = ldap_back_entry_get;
  70
  71         bi->bi_connection_init = 0;
  72         bi->bi_connection_destroy = ldap_back_conn_destroy;
  73
  74         return 0;
  75 }
  76
  77 int
  78 ldap_back_db_init( Backend *be )
  79 {
  80         struct ldapinfo *li;
  81
  82         li = (struct ldapinfo *)ch_calloc( 1, sizeof( struct ldapinfo ) );
  83         if ( li == NULL ) {
  84                 return -1;
  85         }
  86
  87         BER_BVZERO( &li->acl_authcDN );
  88         BER_BVZERO( &li->acl_passwd );
  89
  90 #ifdef LDAP_BACK_PROXY_AUTHZ
  91         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
  92
  93         BER_BVZERO( &li->idassert_authcID );
  94         BER_BVZERO( &li->idassert_authcDN );
  95         BER_BVZERO( &li->idassert_passwd );
  96
  97         BER_BVZERO( &li->idassert_authzID );
  98         li->idassert_authz = NULL;
  99
 100         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 101         li->idassert_sasl_flags = LDAP_SASL_QUIET;
 102         BER_BVZERO( &li->idassert_sasl_mech );
 103         BER_BVZERO( &li->idassert_sasl_realm );
 104
 105         li->idassert_ppolicy = 0;
 106
 107         /* by default, use proxyAuthz control on each operation */
 108         li->idassert_flags = LDAP_BACK_AUTH_NONE;
 109 #endif /* LDAP_BACK_PROXY_AUTHZ */
 110
 111         ldap_pvt_thread_mutex_init( &li->conn_mutex );
 112
 113         be->be_private = li;
 114         SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_NOLASTMOD;
 115
 116         return 0;
 117 }
 118
 119 int
 120 ldap_back_db_open( BackendDB *be )
 121 {
 122         struct ldapinfo *li = (struct ldapinfo *)be->be_private;
 123
 124         Debug( LDAP_DEBUG_TRACE,
 125                 "ldap_back_db_open: URI=%s\n", li->url, 0, 0 );
 126
 127 #ifdef LDAP_BACK_PROXY_AUTHZ
 128         /* by default, use proxyAuthz control on each operation */
 129         switch ( li->idassert_mode ) {
 130         case LDAP_BACK_IDASSERT_LEGACY:
 131         case LDAP_BACK_IDASSERT_SELF:
 132                 /* however, since admin connections are pooled and shared,
 133                  * only static authzIDs can be native */
 134                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 135                 break;
 136
 137         default:
 138                 break;
 139         }
 140 #endif /* LDAP_BACK_PROXY_AUTHZ */
 141
 142 #if 0 && defined(SLAPD_MONITOR)
 143         {
 144                 struct berval   filter,
 145                                 base = BER_BVC( "cn=Databases,cn=Monitor" );
 146                 struct berval   vals[ 2 ];
 147                 Attribute       a = { 0 };
 148
 149                 filter.bv_len = STRLENOF( "(&(namingContexts:distinguishedNameMatch:=)(monitoredInfo=ldap))" )
 150                         + be->be_nsuffix[ 0 ].bv_len;
 151                 filter.bv_val = ch_malloc( filter.bv_len + 1 );
 152                 snprintf( filter.bv_val, filter.bv_len + 1,
 153                                 "(&(namingContexts:distinguishedNameMatch:=%s)(monitoredInfo=ldap))",
 154                                 be->be_nsuffix[ 0 ].bv_val );
 155
 156                 a.a_desc = slap_schema.si_ad_labeledURI;
 157                 ber_str2bv( li->url, 0, 0, &vals[ 0 ] );
 158                 BER_BVZERO( &vals[ 1 ] );
 159                 a.a_vals = vals;
 160                 a.a_nvals = vals;
 161                 if ( monitor_back_register_entry_attrs( NULL, &a, NULL, &base, LDAP_SCOPE_SUBTREE, &filter ) ) {
 162                         /* error */
 163                 }
 164
 165                 ch_free( filter.bv_val );
 166         }
 167 #endif /* SLAPD_MONITOR */
 168
 169         return 0;
 170 }
 171
 172 void
 173 ldap_back_conn_free( void *v_lc )
 174 {
 175         struct ldapconn *lc = v_lc;
 176
 177         ldap_unbind_ext_s( lc->lc_ld, NULL, NULL );
 178         if ( !BER_BVISNULL( &lc->lc_bound_ndn ) ) {
 179                 ch_free( lc->lc_bound_ndn.bv_val );
 180         }
 181         if ( !BER_BVISNULL( &lc->lc_cred ) ) {
 182                 memset( lc->lc_cred.bv_val, 0, lc->lc_cred.bv_len );
 183                 ch_free( lc->lc_cred.bv_val );
 184         }
 185         if ( !BER_BVISNULL( &lc->lc_local_ndn ) ) {
 186                 ch_free( lc->lc_local_ndn.bv_val );
 187         }
 188         ldap_pvt_thread_mutex_destroy( &lc->lc_mutex );
 189         ch_free( lc );
 190 }
 191
 192 int
 193 ldap_back_db_destroy(
 194     Backend     *be
 195 )
 196 {
 197         struct ldapinfo *li;
 198
 199         if ( be->be_private ) {
 200                 li = ( struct ldapinfo * )be->be_private;
 201
 202                 ldap_pvt_thread_mutex_lock( &li->conn_mutex );
 203
 204                 if ( li->url ) {
 205                         ch_free( li->url );
 206                         li->url = NULL;
 207                 }
 208                 if ( li->lud ) {
 209                         ldap_free_urldesc( li->lud );
 210                         li->lud = NULL;
 211                 }
 212                 if ( !BER_BVISNULL( &li->acl_authcDN ) ) {
 213                         ch_free( li->acl_authcDN.bv_val );
 214                         BER_BVZERO( &li->acl_authcDN );
 215                 }
 216                 if ( !BER_BVISNULL( &li->acl_passwd ) ) {
 217                         ch_free( li->acl_passwd.bv_val );
 218                         BER_BVZERO( &li->acl_passwd );
 219                 }
 220 #ifdef LDAP_BACK_PROXY_AUTHZ
 221                 if ( !BER_BVISNULL( &li->idassert_authcID ) ) {
 222                         ch_free( li->idassert_authcID.bv_val );
 223                         BER_BVZERO( &li->idassert_authcID );
 224                 }
 225                 if ( !BER_BVISNULL( &li->idassert_authcDN ) ) {
 226                         ch_free( li->idassert_authcDN.bv_val );
 227                         BER_BVZERO( &li->idassert_authcDN );
 228                 }
 229                 if ( !BER_BVISNULL( &li->idassert_passwd ) ) {
 230                         ch_free( li->idassert_passwd.bv_val );
 231                         BER_BVZERO( &li->idassert_passwd );
 232                 }
 233                 if ( !BER_BVISNULL( &li->idassert_authzID ) ) {
 234                         ch_free( li->idassert_authzID.bv_val );
 235                         BER_BVZERO( &li->idassert_authzID );
 236                 }
 237                 if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) {
 238                         ch_free( li->idassert_sasl_mech.bv_val );
 239                         BER_BVZERO( &li->idassert_sasl_mech );
 240                 }
 241                 if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) {
 242                         ch_free( li->idassert_sasl_realm.bv_val );
 243                         BER_BVZERO( &li->idassert_sasl_realm );
 244                 }
 245 #endif /* LDAP_BACK_PROXY_AUTHZ */
 246                 if ( li->conntree ) {
 247                         avl_free( li->conntree, ldap_back_conn_free );
 248                 }
 249
 250                 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
 251                 ldap_pvt_thread_mutex_destroy( &li->conn_mutex );
 252         }
 253
 254         ch_free( be->be_private );
 255
 256         return 0;
 257 }
 258
 259 #if SLAPD_LDAP == SLAPD_MOD_DYNAMIC
 260
 261 int
 262 init_module( int argc, char *argv[] )
 263 {
 264         BackendInfo     bi;
 265
 266         memset( &bi, '\0', sizeof( bi ) );
 267         bi.bi_type = "ldap";
 268         bi.bi_init = ldap_back_initialize;
 269
 270         backend_add( &bi );
 271
 272         return 0;
 273 }
 274
 275 #endif /* SLAPD_LDAP */
 276