git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/bind.c

   1 /*
   2  *       Copyright 1999, Dmitry Kovalev <mit@openldap.org>, All rights reserved.
   3  *
   4  *       Redistribution and use in source and binary forms are permitted only
   5  *       as authorized by the OpenLDAP Public License.  A copy of this
   6  *       license is available at http://www.OpenLDAP.org/license.html or
   7  *       in file LICENSE in the top-level directory of the distribution.
   8  */
   9
  10 #include "portable.h"
  11
  12 #ifdef SLAPD_SQL
  13
  14 #include <stdio.h>
  15 #include <sys/types.h>
  16 #include "slap.h"
  17 #include "back-sql.h"
  18 #include "sql-wrap.h"
  19 #include "util.h"
  20 #include "entry-id.h"
  21
  22 int
  23 backsql_bind( Operation *op, SlapReply *rs )
  24 {
  25         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  26         backsql_entryID         user_id;
  27         SQLHDBC                 dbh;
  28         AttributeDescription    *password = slap_schema.si_ad_userPassword;
  29         Entry                   *e, user_entry;
  30         Attribute               *a;
  31         backsql_srch_info       bsi;
  32         int                     rc;
  33
  34         Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 );
  35
  36         if ( be_isroot_pw( op ) ) {
  37                 ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) );
  38                 Debug( LDAP_DEBUG_TRACE, "<==backsql_bind() root bind\n",
  39                                 0, 0, 0 );
  40                 return 0;
  41         }
  42
  43         ber_dupbv( &op->oq_bind.rb_edn, &op->o_req_ndn );
  44
  45         if ( op->oq_bind.rb_method != LDAP_AUTH_SIMPLE ) {
  46                 rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
  47                 rs->sr_text = "authentication method not supported";
  48                 send_ldap_result( op, rs );
  49                 return 1;
  50         }
  51
  52         /*
  53          * method = LDAP_AUTH_SIMPLE
  54          */
  55         rs->sr_err = backsql_get_db_conn( op, &dbh );
  56         if (!dbh) {
  57                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  58                         "could not get connection handle - exiting\n",
  59                         0, 0, 0 );
  60
  61                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  62                         ? "SQL-backend error" : NULL;
  63                 send_ldap_result( op, rs );
  64                 return 1;
  65         }
  66
  67         rc = backsql_dn2id( bi, &user_id, dbh, &op->o_req_ndn );
  68         if ( rc != LDAP_SUCCESS ) {
  69                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  70                         "could not retrieve bind dn id - no such entry\n",
  71                         0, 0, 0 );
  72                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
  73                 send_ldap_result( op, rs );
  74                 return 1;
  75         }
  76
  77         backsql_init_search( &bsi, bi, &op->o_req_ndn, LDAP_SCOPE_BASE,
  78                         -1, -1, -1, NULL, dbh, op->o_bd, op->o_conn, op, NULL );
  79         e = backsql_id2entry( &bsi, &user_entry, &user_id );
  80         if ( e == NULL ) {
  81                 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
  82                         "error in backsql_id2entry() - auth failed\n",
  83                         0, 0, 0 );
  84                 rs->sr_err = LDAP_OTHER;
  85                 send_ldap_result( op, rs );
  86                 return 1;
  87         }
  88
  89         if ( ! access_allowed( op, e, password, NULL, ACL_AUTH, NULL ) ) {
  90                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
  91                 send_ldap_result( op, rs );
  92                 return 1;
  93         }
  94
  95         if ( ( a = attr_find( e->e_attrs, password ) ) == NULL ) {
  96                 rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
  97                 send_ldap_result( op, rs );
  98                 return 1;
  99         }
 100
 101         if ( slap_passwd_check( op->o_conn, a, &op->oq_bind.rb_cred ) != 0 ) {
 102                 rs->sr_err = LDAP_INVALID_CREDENTIALS;
 103                 send_ldap_result( op, rs );
 104                 return 1;
 105         }
 106
 107         Debug(LDAP_DEBUG_TRACE,"<==backsql_bind()\n",0,0,0);
 108         return 0;
 109 }
 110
 111 #endif /* SLAPD_SQL */
 112