git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/bind.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2005 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   6  * Portions Copyright 2002 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Dmitry Kovalev for inclusion
  19  * by OpenLDAP Software.  Additional significant contributors include
  20  * Pierangelo Masarati.
  21  */
  22
  23 #include "portable.h"
  24
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27
  28 #include "slap.h"
  29 #include "proto-sql.h"
  30
  31 int
  32 backsql_bind( Operation *op, SlapReply *rs )
  33 {
  34         SQLHDBC                 dbh = SQL_NULL_HDBC;
  35         Entry                   *e = NULL,
  36                                 user_entry = { 0 };
  37         Attribute               *a;
  38         backsql_srch_info       bsi;
  39         AttributeName           anlist[2];
  40         int                     rc;
  41
  42         Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 );
  43
  44         if ( be_isroot_pw( op ) ) {
  45                 ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
  46                 Debug( LDAP_DEBUG_TRACE, "<==backsql_bind() root bind\n",
  47                                 0, 0, 0 );
  48                 return 0;
  49         }
  50
  51         ber_dupbv( &op->oq_bind.rb_edn, &op->o_req_ndn );
  52
  53         if ( op->oq_bind.rb_method != LDAP_AUTH_SIMPLE ) {
  54                 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
  55                 rs->sr_text = "authentication method not supported";
  56                 send_ldap_result( op, rs );
  57                 return 1;
  58         }
  59
  60         /*
  61          * method = LDAP_AUTH_SIMPLE
  62          */
  63         rs->sr_err = backsql_get_db_conn( op, &dbh );
  64         if ( !dbh ) {
  65                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  66                         "could not get connection handle - exiting\n",
  67                         0, 0, 0 );
  68
  69                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  70                         ? "SQL-backend error" : NULL;
  71                 send_ldap_result( op, rs );
  72                 return 1;
  73         }
  74
  75         anlist[0].an_name = slap_schema.si_ad_userPassword->ad_cname;
  76         anlist[0].an_desc = slap_schema.si_ad_userPassword;
  77         anlist[1].an_name.bv_val = NULL;
  78
  79         rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
  80                         SLAP_NO_LIMIT, SLAP_NO_LIMIT,
  81                         (time_t)(-1), NULL, dbh, op, rs, anlist,
  82                         BACKSQL_ISF_GET_ID );
  83         if ( rc != LDAP_SUCCESS ) {
  84                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  85                         "could not retrieve bindDN ID - no such entry\n",
  86                         0, 0, 0 );
  87                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
  88                 send_ldap_result( op, rs );
  89                 return 1;
  90         }
  91
  92         bsi.bsi_e = &user_entry;
  93         rc = backsql_id2entry( &bsi, &bsi.bsi_base_id );
  94         if ( rc != LDAP_SUCCESS ) {
  95                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  96                         "error %d in backsql_id2entry() "
  97                         "- auth failed\n", rc, 0, 0 );
  98                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
  99                 goto error_return;
 100         }
 101         e = &user_entry;
 102
 103         a = attr_find( e->e_attrs, slap_schema.si_ad_userPassword );
 104         if ( a == NULL ) {
 105                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 106                 goto error_return;
 107         }
 108
 109         if ( slap_passwd_check( op, e, a, &op->oq_bind.rb_cred,
 110                                 &rs->sr_text ) != 0 )
 111         {
 112                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 113                 goto error_return;
 114         }
 115
 116 error_return:;
 117         if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
 118                 (void)backsql_free_entryID( &bsi.bsi_base_id, 0 );
 119         }
 120
 121         if ( e != NULL ) {
 122                 entry_clean( e );
 123         }
 124
 125         if ( bsi.bsi_attrs != NULL ) {
 126                 op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
 127         }
 128
 129         if ( rs->sr_err ) {
 130                 send_ldap_result( op, rs );
 131                 return 1;
 132         }
 133
 134         Debug(LDAP_DEBUG_TRACE,"<==backsql_bind()\n",0,0,0);
 135
 136         return 0;
 137 }
 138