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 #ifdef LDAP_BACK_PROXY_AUTHZ
  94         li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY;
  95
  96         BER_BVZERO( &li->idassert_authcID );
  97         BER_BVZERO( &li->idassert_authcDN );
  98         BER_BVZERO( &li->idassert_passwd );
  99
 100         BER_BVZERO( &li->idassert_authzID );
 101         li->idassert_authz = NULL;
 102
 103         li->idassert_authmethod = LDAP_AUTH_SIMPLE;
 104         li->idassert_sasl_flags = LDAP_SASL_QUIET;
 105         BER_BVZERO( &li->idassert_sasl_mech );
 106         BER_BVZERO( &li->idassert_sasl_realm );
 107
 108         li->idassert_ppolicy = 0;
 109
 110         /* by default, use proxyAuthz control on each operation */
 111         li->idassert_flags = LDAP_BACK_AUTH_NONE;
 112 #endif /* LDAP_BACK_PROXY_AUTHZ */
 113
 114         ldap_pvt_thread_mutex_init( &li->conn_mutex );
 115
 116         be->be_private = li;
 117         SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_NOLASTMOD;
 118
 119         return 0;
 120 }
 121
 122 int
 123 ldap_back_db_open( BackendDB *be )
 124 {
 125         struct ldapinfo *li = (struct ldapinfo *)be->be_private;
 126
 127         Debug( LDAP_DEBUG_TRACE,
 128                 "ldap_back_db_open: URI=%s\n",
 129                 li->url != NULL ? li->url : "", 0, 0 );
 130
 131 #ifdef LDAP_BACK_PROXY_AUTHZ
 132         /* by default, use proxyAuthz control on each operation */
 133         switch ( li->idassert_mode ) {
 134         case LDAP_BACK_IDASSERT_LEGACY:
 135         case LDAP_BACK_IDASSERT_SELF:
 136                 /* however, since admin connections are pooled and shared,
 137                  * only static authzIDs can be native */
 138                 li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
 139                 break;
 140
 141         default:
 142                 break;
 143         }
 144 #endif /* LDAP_BACK_PROXY_AUTHZ */
 145
 146 #if 0 && defined(SLAPD_MONITOR)
 147         {
 148                 struct berval   filter,
 149                                 base = BER_BVC( "cn=Databases,cn=Monitor" );
 150                 struct berval   vals[ 2 ];
 151                 Attribute       a = { 0 };
 152
 153                 filter.bv_len = STRLENOF( "(&(namingContexts:distinguishedNameMatch:=)(monitoredInfo=ldap))" )
 154                         + be->be_nsuffix[ 0 ].bv_len;
 155                 filter.bv_val = ch_malloc( filter.bv_len + 1 );
 156                 snprintf( filter.bv_val, filter.bv_len + 1,
 157                                 "(&(namingContexts:distinguishedNameMatch:=%s)(monitoredInfo=ldap))",
 158                                 be->be_nsuffix[ 0 ].bv_val );
 159
 160                 a.a_desc = slap_schema.si_ad_labeledURI;
 161                 ber_str2bv( li->url, 0, 0, &vals[ 0 ] );
 162                 BER_BVZERO( &vals[ 1 ] );
 163                 a.a_vals = vals;
 164                 a.a_nvals = vals;
 165                 if ( monitor_back_register_entry_attrs( NULL, &a, NULL, &base, LDAP_SCOPE_SUBTREE, &filter ) ) {
 166                         /* error */
 167                 }
 168
 169                 ch_free( filter.bv_val );
 170         }
 171 #endif /* SLAPD_MONITOR */
 172
 173         return 0;
 174 }
 175
 176 void
 177 ldap_back_conn_free( void *v_lc )
 178 {
 179         struct ldapconn *lc = v_lc;
 180
 181         ldap_unbind_ext_s( lc->lc_ld, NULL, NULL );
 182         if ( !BER_BVISNULL( &lc->lc_bound_ndn ) ) {
 183                 ch_free( lc->lc_bound_ndn.bv_val );
 184         }
 185         if ( !BER_BVISNULL( &lc->lc_cred ) ) {
 186                 memset( lc->lc_cred.bv_val, 0, lc->lc_cred.bv_len );
 187                 ch_free( lc->lc_cred.bv_val );
 188         }
 189         if ( !BER_BVISNULL( &lc->lc_local_ndn ) ) {
 190                 ch_free( lc->lc_local_ndn.bv_val );
 191         }
 192         ldap_pvt_thread_mutex_destroy( &lc->lc_mutex );
 193         ch_free( lc );
 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 != NULL ) {
 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
 254                 ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
 255                 ldap_pvt_thread_mutex_destroy( &li->conn_mutex );
 256         }
 257
 258         ch_free( be->be_private );
 259
 260         return 0;
 261 }
 262
 263 #if SLAPD_LDAP == SLAPD_MOD_DYNAMIC
 264
 265 /* conditionally define the init_module() function */
 266 SLAP_BACKEND_INIT_MODULE( ldap )
 267
 268 #endif /* SLAPD_LDAP == SLAPD_MOD_DYNAMIC */
 269