1 /* $NetBSD: bind.c,v 1.2 2020/08/11 13:15:42 christos Exp $ */ 2 3 /* $OpenLDAP$ */ 4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 5 * 6 * Copyright 1999-2020 The OpenLDAP Foundation. 7 * Portions Copyright 1999 Dmitry Kovalev. 8 * Portions Copyright 2002 Pierangelo Masarati. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted only as authorized by the OpenLDAP 13 * Public License. 14 * 15 * A copy of this license is available in the file LICENSE in the 16 * top-level directory of the distribution or, alternatively, at 17 * <http://www.OpenLDAP.org/license.html>. 18 */ 19 /* ACKNOWLEDGEMENTS: 20 * This work was initially developed by Dmitry Kovalev for inclusion 21 * by OpenLDAP Software. Additional significant contributors include 22 * Pierangelo Masarati. 23 */ 24 25 #include <sys/cdefs.h> 26 __RCSID("$NetBSD: bind.c,v 1.2 2020/08/11 13:15:42 christos Exp $"); 27 28 #include "portable.h" 29 30 #include <stdio.h> 31 #include <sys/types.h> 32 33 #include "slap.h" 34 #include "proto-sql.h" 35 36 int 37 backsql_bind( Operation *op, SlapReply *rs ) 38 { 39 SQLHDBC dbh = SQL_NULL_HDBC; 40 Entry e = { 0 }; 41 Attribute *a; 42 backsql_srch_info bsi = { 0 }; 43 AttributeName anlist[2]; 44 int rc; 45 46 Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 ); 47 48 switch ( be_rootdn_bind( op, rs ) ) { 49 case SLAP_CB_CONTINUE: 50 break; 51 52 default: 53 /* in case of success, front end will send result; 54 * otherwise, be_rootdn_bind() did */ 55 Debug( LDAP_DEBUG_TRACE, "<==backsql_bind(%d)\n", 56 rs->sr_err, 0, 0 ); 57 return rs->sr_err; 58 } 59 60 rs->sr_err = backsql_get_db_conn( op, &dbh ); 61 if ( rs->sr_err != LDAP_SUCCESS ) { 62 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): " 63 "could not get connection handle - exiting\n", 64 0, 0, 0 ); 65 66 rs->sr_text = ( rs->sr_err == LDAP_OTHER ) 67 ? "SQL-backend error" : NULL; 68 goto error_return; 69 } 70 71 anlist[0].an_name = slap_schema.si_ad_userPassword->ad_cname; 72 anlist[0].an_desc = slap_schema.si_ad_userPassword; 73 anlist[1].an_name.bv_val = NULL; 74 75 bsi.bsi_e = &e; 76 rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE, 77 (time_t)(-1), NULL, dbh, op, rs, anlist, 78 BACKSQL_ISF_GET_ENTRY ); 79 if ( rc != LDAP_SUCCESS ) { 80 Debug( LDAP_DEBUG_TRACE, "backsql_bind(): " 81 "could not retrieve bindDN ID - no such entry\n", 82 0, 0, 0 ); 83 rs->sr_err = LDAP_INVALID_CREDENTIALS; 84 goto error_return; 85 } 86 87 a = attr_find( e.e_attrs, slap_schema.si_ad_userPassword ); 88 if ( a == NULL ) { 89 rs->sr_err = LDAP_INVALID_CREDENTIALS; 90 goto error_return; 91 } 92 93 if ( slap_passwd_check( op, &e, a, &op->oq_bind.rb_cred, 94 &rs->sr_text ) != 0 ) 95 { 96 rs->sr_err = LDAP_INVALID_CREDENTIALS; 97 goto error_return; 98 } 99 100 error_return:; 101 if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) { 102 (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx ); 103 } 104 105 if ( !BER_BVISNULL( &e.e_nname ) ) { 106 backsql_entry_clean( op, &e ); 107 } 108 109 if ( bsi.bsi_attrs != NULL ) { 110 op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx ); 111 } 112 113 if ( rs->sr_err != LDAP_SUCCESS ) { 114 send_ldap_result( op, rs ); 115 } 116 117 Debug( LDAP_DEBUG_TRACE,"<==backsql_bind()\n", 0, 0, 0 ); 118 119 return rs->sr_err; 120 } 121 122