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 = BACKSQL_ENTRYID_INIT;
  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         struct berval           dn;
  44
  45         Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 );
  46
  47         if ( be_isroot_pw( op ) ) {
  48                 ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
  49                 Debug( LDAP_DEBUG_TRACE, "<==backsql_bind() root bind\n",
  50                                 0, 0, 0 );
  51                 return 0;
  52         }
  53
  54         ber_dupbv( &op->oq_bind.rb_edn, &op->o_req_ndn );
  55
  56         if ( op->oq_bind.rb_method != LDAP_AUTH_SIMPLE ) {
  57                 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
  58                 rs->sr_text = "authentication method not supported";
  59                 send_ldap_result( op, rs );
  60                 return 1;
  61         }
  62
  63         /*
  64          * method = LDAP_AUTH_SIMPLE
  65          */
  66         rs->sr_err = backsql_get_db_conn( op, &dbh );
  67         if (!dbh) {
  68                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  69                         "could not get connection handle - exiting\n",
  70                         0, 0, 0 );
  71
  72                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  73                         ? "SQL-backend error" : NULL;
  74                 send_ldap_result( op, rs );
  75                 return 1;
  76         }
  77
  78         dn = op->o_req_dn;
  79         if ( backsql_api_dn2odbc( op, rs, &dn ) ) {
  80                 Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
  81                         "backsql_api_dn2odbc failed\n",
  82                         0, 0, 0 );
  83                 rs->sr_err = LDAP_OTHER;
  84                 rs->sr_text = "SQL-backend error";
  85                 goto error_return;
  86         }
  87
  88         rc = backsql_dn2id( bi, &user_id, dbh, &dn );
  89         if ( rc != LDAP_SUCCESS ) {
  90                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  91                         "could not retrieve bind dn id - no such entry\n",
  92                         0, 0, 0 );
  93                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
  94                 send_ldap_result( op, rs );
  95                 return 1;
  96         }
  97
  98         anlist[0].an_name = password->ad_cname;
  99         anlist[0].an_desc = password;
 100         anlist[1].an_name.bv_val = NULL;
 101
 102         backsql_init_search( &bsi, &dn, LDAP_SCOPE_BASE,
 103                         -1, -1, -1, NULL, dbh, op, rs, anlist );
 104         e = backsql_id2entry( &bsi, &user_entry, &user_id );
 105         if ( e == NULL ) {
 106                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
 107                         "error in backsql_id2entry() - auth failed\n",
 108                         0, 0, 0 );
 109                 rs->sr_err = LDAP_OTHER;
 110                 goto error_return;
 111         }
 112
 113         if ( ! access_allowed( op, e, password, NULL, ACL_AUTH, NULL ) ) {
 114                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 115                 goto error_return;
 116         }
 117
 118         if ( ( a = attr_find( e->e_attrs, password ) ) == NULL ) {
 119                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 120                 goto error_return;
 121         }
 122
 123         if ( slap_passwd_check( op->o_conn, a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 ) {
 124                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 125                 goto error_return;
 126         }
 127
 128 error_return:;
 129         if ( rs->sr_err ) {
 130                 send_ldap_result( op, rs );
 131                 return 1;
 132         }
 133
 134         if ( dn.bv_val != op->o_req_dn.bv_val ) {
 135                 ch_free( dn.bv_val );
 136         }
 137
 138         Debug(LDAP_DEBUG_TRACE,"<==backsql_bind()\n",0,0,0);
 139         return 0;
 140 }
 141
 142 #endif /* SLAPD_SQL */
 143