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 1999-2004 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by Dmitry Kovalev for inclusion
  18  * by OpenLDAP Software.
  19  */
  20
  21 #include "portable.h"
  22
  23 #include <stdio.h>
  24 #include <sys/types.h>
  25
  26 #include "slap.h"
  27 #include "proto-sql.h"
  28
  29 int
  30 backsql_bind( Operation *op, SlapReply *rs )
  31 {
  32         SQLHDBC                 dbh;
  33         AttributeDescription    *password = slap_schema.si_ad_userPassword;
  34         Entry                   *e, user_entry;
  35         Attribute               *a;
  36         backsql_srch_info       bsi;
  37         AttributeName           anlist[2];
  38         int                     rc;
  39
  40         Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 );
  41
  42         if ( be_isroot_pw( op ) ) {
  43                 ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
  44                 Debug( LDAP_DEBUG_TRACE, "<==backsql_bind() root bind\n",
  45                                 0, 0, 0 );
  46                 return 0;
  47         }
  48
  49         ber_dupbv( &op->oq_bind.rb_edn, &op->o_req_ndn );
  50
  51         if ( op->oq_bind.rb_method != LDAP_AUTH_SIMPLE ) {
  52                 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
  53                 rs->sr_text = "authentication method not supported";
  54                 send_ldap_result( op, rs );
  55                 return 1;
  56         }
  57
  58         /*
  59          * method = LDAP_AUTH_SIMPLE
  60          */
  61         rs->sr_err = backsql_get_db_conn( op, &dbh );
  62         if ( !dbh ) {
  63                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  64                         "could not get connection handle - exiting\n",
  65                         0, 0, 0 );
  66
  67                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  68                         ? "SQL-backend error" : NULL;
  69                 send_ldap_result( op, rs );
  70                 return 1;
  71         }
  72
  73         anlist[0].an_name = password->ad_cname;
  74         anlist[0].an_desc = password;
  75         anlist[1].an_name.bv_val = NULL;
  76
  77         rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
  78                         -1, -1, -1, NULL, dbh, op, rs, anlist,
  79                         ( BACKSQL_ISF_GET_ID | BACKSQL_ISF_MUCK ) );
  80         if ( rc != LDAP_SUCCESS ) {
  81                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  82                         "could not retrieve bindDN ID - no such entry\n",
  83                         0, 0, 0 );
  84                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
  85                 send_ldap_result( op, rs );
  86                 return 1;
  87         }
  88
  89         bsi.bsi_e = &user_entry;
  90         rc = backsql_id2entry( &bsi, &bsi.bsi_base_id );
  91         if ( rc != LDAP_SUCCESS ) {
  92                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  93                         "error %d in backsql_id2entry() "
  94                         "- auth failed\n", rc, 0, 0 );
  95                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
  96                 goto error_return;
  97         }
  98         e = &user_entry;
  99
 100         if ( ! access_allowed( op, e, password, NULL, ACL_AUTH, NULL ) ) {
 101 #if 1
 102                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 103 #else
 104                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 105 #endif
 106                 goto error_return;
 107         }
 108
 109         a = attr_find( e->e_attrs, password );
 110         if ( a == NULL ) {
 111 #if 1
 112                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 113 #else
 114                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 115 #endif
 116                 goto error_return;
 117         }
 118
 119         if ( slap_passwd_check( op->o_conn, a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 ) {
 120                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 121                 goto error_return;
 122         }
 123
 124 error_return:;
 125         if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
 126                 (void)backsql_free_entryID( &bsi.bsi_base_id, 0 );
 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         return 0;
 136 }
 137