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 #ifdef SLAPD_SQL
  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         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  35         backsql_entryID         user_id;
  36         SQLHDBC                 dbh;
  37         AttributeDescription    *password = slap_schema.si_ad_userPassword;
  38         Entry                   *e, user_entry;
  39         Attribute               *a;
  40         backsql_srch_info       bsi;
  41         AttributeName           anlist[2];
  42         int                     rc;
  43
  44         Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 );
  45
  46         if ( be_isroot_pw( op ) ) {
  47                 ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
  48                 Debug( LDAP_DEBUG_TRACE, "<==backsql_bind() root bind\n",
  49                                 0, 0, 0 );
  50                 return 0;
  51         }
  52
  53         ber_dupbv( &op->oq_bind.rb_edn, &op->o_req_ndn );
  54
  55         if ( op->oq_bind.rb_method != LDAP_AUTH_SIMPLE ) {
  56                 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
  57                 rs->sr_text = "authentication method not supported";
  58                 send_ldap_result( op, rs );
  59                 return 1;
  60         }
  61
  62         /*
  63          * method = LDAP_AUTH_SIMPLE
  64          */
  65         rs->sr_err = backsql_get_db_conn( op, &dbh );
  66         if (!dbh) {
  67                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  68                         "could not get connection handle - exiting\n",
  69                         0, 0, 0 );
  70
  71                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  72                         ? "SQL-backend error" : NULL;
  73                 send_ldap_result( op, rs );
  74                 return 1;
  75         }
  76
  77         rc = backsql_dn2id( bi, &user_id, dbh, &op->o_req_ndn );
  78         if ( rc != LDAP_SUCCESS ) {
  79                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  80                         "could not retrieve bind dn id - no such entry\n",
  81                         0, 0, 0 );
  82                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
  83                 send_ldap_result( op, rs );
  84                 return 1;
  85         }
  86
  87         anlist[0].an_name = password->ad_cname;
  88         anlist[0].an_desc = password;
  89         anlist[1].an_name.bv_val = NULL;
  90         backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
  91                         -1, -1, -1, NULL, dbh, op, anlist );
  92         e = backsql_id2entry( &bsi, &user_entry, &user_id );
  93         if ( e == NULL ) {
  94                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  95                         "error in backsql_id2entry() - auth failed\n",
  96                         0, 0, 0 );
  97                 rs->sr_err = LDAP_OTHER;
  98                 send_ldap_result( op, rs );
  99                 return 1;
 100         }
 101
 102         if ( ! access_allowed( op, e, password, NULL, ACL_AUTH, NULL ) ) {
 103                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 104                 send_ldap_result( op, rs );
 105                 return 1;
 106         }
 107
 108         if ( ( a = attr_find( e->e_attrs, password ) ) == NULL ) {
 109                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 110                 send_ldap_result( op, rs );
 111                 return 1;
 112         }
 113
 114         if ( slap_passwd_check( op->o_conn, a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 ) {
 115                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 116                 send_ldap_result( op, rs );
 117                 return 1;
 118         }
 119
 120         Debug(LDAP_DEBUG_TRACE,"<==backsql_bind()\n",0,0,0);
 121         return 0;
 122 }
 123
 124 #endif /* SLAPD_SQL */
 125