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         SQLHDBC                 dbh;
  35         AttributeDescription    *password = slap_schema.si_ad_userPassword;
  36         Entry                   *e, user_entry;
  37         Attribute               *a;
  38         backsql_srch_info       bsi;
  39         AttributeName           anlist[2];
  40         int                     rc;
  41         struct berval           ndn;
  42
  43         Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 );
  44
  45         if ( be_isroot_pw( op ) ) {
  46                 ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
  47                 Debug( LDAP_DEBUG_TRACE, "<==backsql_bind() root bind\n",
  48                                 0, 0, 0 );
  49                 return 0;
  50         }
  51
  52         ber_dupbv( &op->oq_bind.rb_edn, &op->o_req_ndn );
  53
  54         if ( op->oq_bind.rb_method != LDAP_AUTH_SIMPLE ) {
  55                 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
  56                 rs->sr_text = "authentication method not supported";
  57                 send_ldap_result( op, rs );
  58                 return 1;
  59         }
  60
  61         /*
  62          * method = LDAP_AUTH_SIMPLE
  63          */
  64         rs->sr_err = backsql_get_db_conn( op, &dbh );
  65         if ( !dbh ) {
  66                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  67                         "could not get connection handle - exiting\n",
  68                         0, 0, 0 );
  69
  70                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  71                         ? "SQL-backend error" : NULL;
  72                 send_ldap_result( op, rs );
  73                 return 1;
  74         }
  75
  76         ndn = op->o_req_ndn;
  77         if ( backsql_api_dn2odbc( op, rs, &ndn ) ) {
  78                 Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
  79                         "backsql_api_dn2odbc failed\n",
  80                         0, 0, 0 );
  81                 rs->sr_err = LDAP_OTHER;
  82                 rs->sr_text = "SQL-backend error";
  83                 goto error_return;
  84         }
  85
  86         anlist[0].an_name = password->ad_cname;
  87         anlist[0].an_desc = password;
  88         anlist[1].an_name.bv_val = NULL;
  89
  90         rc = backsql_init_search( &bsi, &ndn, LDAP_SCOPE_BASE,
  91                         -1, -1, -1, NULL, dbh, op, rs, anlist, 1 );
  92         if ( rc != LDAP_SUCCESS ) {
  93                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  94                         "could not retrieve bindDN ID - no such entry\n",
  95                         0, 0, 0 );
  96                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
  97                 send_ldap_result( op, rs );
  98                 return 1;
  99         }
 100
 101         bsi.bsi_e = &user_entry;
 102         rc = backsql_id2entry( &bsi, &bsi.bsi_base_id );
 103         if ( rc != LDAP_SUCCESS ) {
 104                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
 105                         "error %d in backsql_id2entry() "
 106                         "- auth failed\n", rc, 0, 0 );
 107                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 108                 goto error_return;
 109         }
 110         e = &user_entry;
 111
 112         if ( ! access_allowed( op, e, password, NULL, ACL_AUTH, NULL ) ) {
 113 #if 1
 114                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 115 #else
 116                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 117 #endif
 118                 goto error_return;
 119         }
 120
 121         a = attr_find( e->e_attrs, password );
 122         if ( a == NULL ) {
 123 #if 1
 124                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 125 #else
 126                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
 127 #endif
 128                 goto error_return;
 129         }
 130
 131         if ( slap_passwd_check( op->o_conn, a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 ) {
 132                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 133                 goto error_return;
 134         }
 135
 136 error_return:;
 137         if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
 138                 (void)backsql_free_entryID( &bsi.bsi_base_id, 0 );
 139         }
 140
 141         if ( rs->sr_err ) {
 142                 send_ldap_result( op, rs );
 143                 return 1;
 144         }
 145
 146         if ( ndn.bv_val != op->o_req_ndn.bv_val ) {
 147                 ch_free( ndn.bv_val );
 148         }
 149
 150         Debug(LDAP_DEBUG_TRACE,"<==backsql_bind()\n",0,0,0);
 151         return 0;
 152 }
 153
 154 #endif /* SLAPD_SQL */
 155