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 1999-2003 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 #include "slap.h"
  28 #include "back-sql.h"
  29 #include "sql-wrap.h"
  30 #include "util.h"
  31 #include "entry-id.h"
  32
  33 int
  34 backsql_bind( Operation *op, SlapReply *rs )
  35 {
  36         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  37         backsql_entryID         user_id;
  38         SQLHDBC                 dbh;
  39         AttributeDescription    *password = slap_schema.si_ad_userPassword;
  40         Entry                   *e, user_entry;
  41         Attribute               *a;
  42         backsql_srch_info       bsi;
  43         AttributeName           anlist[2];
  44         int                     rc;
  45
  46         Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 );
  47
  48         if ( be_isroot_pw( op ) ) {
  49                 ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
  50                 Debug( LDAP_DEBUG_TRACE, "<==backsql_bind() root bind\n",
  51                                 0, 0, 0 );
  52                 return 0;
  53         }
  54
  55         ber_dupbv( &op->oq_bind.rb_edn, &op->o_req_ndn );
  56
  57         if ( op->oq_bind.rb_method != LDAP_AUTH_SIMPLE ) {
  58                 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
  59                 rs->sr_text = "authentication method not supported";
  60                 send_ldap_result( op, rs );
  61                 return 1;
  62         }
  63
  64         /*
  65          * method = LDAP_AUTH_SIMPLE
  66          */
  67         rs->sr_err = backsql_get_db_conn( op, &dbh );
  68         if (!dbh) {
  69                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  70                         "could not get connection handle - exiting\n",
  71                         0, 0, 0 );
  72
  73                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  74                         ? "SQL-backend error" : NULL;
  75                 send_ldap_result( op, rs );
  76                 return 1;
  77         }
  78
  79         rc = backsql_dn2id( bi, &user_id, dbh, &op->o_req_ndn );
  80         if ( rc != LDAP_SUCCESS ) {
  81                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  82                         "could not retrieve bind dn 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         anlist[0].an_name = password->ad_cname;
  90         anlist[0].an_desc = password;
  91         anlist[1].an_name.bv_val = NULL;
  92         backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
  93                         -1, -1, -1, NULL, dbh, op, anlist );
  94         e = backsql_id2entry( &bsi, &user_entry, &user_id );
  95         if ( e == NULL ) {
  96                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  97                         "error in backsql_id2entry() - auth failed\n",
  98                         0, 0, 0 );
  99                 rs->sr_err = LDAP_OTHER;
 100                 send_ldap_result( op, rs );
 101                 return 1;
 102         }
 103
 104         if ( ! access_allowed( op, e, password, NULL, ACL_AUTH, NULL ) ) {
 105                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 106                 send_ldap_result( op, rs );
 107                 return 1;
 108         }
 109
 110         if ( ( a = attr_find( e->e_attrs, password ) ) == NULL ) {
 111                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 112                 send_ldap_result( op, rs );
 113                 return 1;
 114         }
 115
 116         if ( slap_passwd_check( op->o_conn, a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 ) {
 117                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 118                 send_ldap_result( op, rs );
 119                 return 1;
 120         }
 121
 122         Debug(LDAP_DEBUG_TRACE,"<==backsql_bind()\n",0,0,0);
 123         return 0;
 124 }
 125
 126 #endif /* SLAPD_SQL */
 127