diff options
Diffstat (limited to 'servers/slapd/back-ndb/bind.cpp')
| -rw-r--r-- | servers/slapd/back-ndb/bind.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/servers/slapd/back-ndb/bind.cpp b/servers/slapd/back-ndb/bind.cpp new file mode 100644 index 0000000..bfd384c --- /dev/null +++ b/servers/slapd/back-ndb/bind.cpp @@ -0,0 +1,165 @@ +/* bind.cpp - ndb backend bind routine */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2008-2018 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Howard Chu for inclusion + * in OpenLDAP Software. This work was sponsored by MySQL. + */ + +#include "portable.h" + +#include <stdio.h> +#include <ac/string.h> +#include <ac/unistd.h> + +#include "back-ndb.h" + +extern "C" int +ndb_back_bind( Operation *op, SlapReply *rs ) +{ + struct ndb_info *ni = (struct ndb_info *) op->o_bd->be_private; + Entry e = {0}; + Attribute *a; + + AttributeDescription *password = slap_schema.si_ad_userPassword; + + NdbArgs NA; + + Debug( LDAP_DEBUG_ARGS, + "==> " LDAP_XSTRING(ndb_back_bind) ": dn: %s\n", + op->o_req_dn.bv_val, 0, 0); + + /* allow noauth binds */ + switch ( be_rootdn_bind( op, NULL ) ) { + case LDAP_SUCCESS: + /* frontend will send result */ + return rs->sr_err = LDAP_SUCCESS; + + default: + /* give the database a chance */ + break; + } + + /* Get our NDB handle */ + rs->sr_err = ndb_thread_handle( op, &NA.ndb ); + + e.e_name = op->o_req_dn; + e.e_nname = op->o_req_ndn; + NA.e = &e; + +dn2entry_retry: + NA.txn = NA.ndb->startTransaction(); + rs->sr_text = NULL; + if( !NA.txn ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(ndb_back_bind) ": startTransaction failed: %s (%d)\n", + NA.ndb->getNdbError().message, NA.ndb->getNdbError().code, 0 ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto done; + } + + /* get entry */ + { + NdbRdns rdns; + rdns.nr_num = 0; + NA.rdns = &rdns; + NA.ocs = NULL; + rs->sr_err = ndb_entry_get_info( op, &NA, 0, NULL ); + } + switch(rs->sr_err) { + case 0: + break; + case LDAP_NO_SUCH_OBJECT: + rs->sr_err = LDAP_INVALID_CREDENTIALS; + goto done; + case LDAP_BUSY: + rs->sr_text = "ldap_server_busy"; + goto done; +#if 0 + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto dn2entry_retry; +#endif + default: + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto done; + } + + rs->sr_err = ndb_entry_get_data( op, &NA, 0 ); + ber_bvarray_free_x( NA.ocs, op->o_tmpmemctx ); + ber_dupbv( &op->oq_bind.rb_edn, &e.e_name ); + + /* check for deleted */ + if ( is_entry_subentry( &e ) ) { + /* entry is an subentry, don't allow bind */ + Debug( LDAP_DEBUG_TRACE, "entry is subentry\n", 0, + 0, 0 ); + rs->sr_err = LDAP_INVALID_CREDENTIALS; + goto done; + } + + if ( is_entry_alias( &e ) ) { + /* entry is an alias, don't allow bind */ + Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 ); + rs->sr_err = LDAP_INVALID_CREDENTIALS; + goto done; + } + + if ( is_entry_referral( &e ) ) { + Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, + 0, 0 ); + rs->sr_err = LDAP_INVALID_CREDENTIALS; + goto done; + } + + switch ( op->oq_bind.rb_method ) { + case LDAP_AUTH_SIMPLE: + a = attr_find( e.e_attrs, password ); + if ( a == NULL ) { + rs->sr_err = LDAP_INVALID_CREDENTIALS; + goto done; + } + + if ( slap_passwd_check( op, &e, a, &op->oq_bind.rb_cred, + &rs->sr_text ) != 0 ) + { + /* failure; stop front end from sending result */ + rs->sr_err = LDAP_INVALID_CREDENTIALS; + goto done; + } + + rs->sr_err = 0; + break; + + default: + assert( 0 ); /* should not be reachable */ + rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED; + rs->sr_text = "authentication method not supported"; + } + +done: + NA.txn->close(); + if ( e.e_attrs ) { + attrs_free( e.e_attrs ); + e.e_attrs = NULL; + } + if ( rs->sr_err ) { + send_ldap_result( op, rs ); + } + /* front end will send result on success (rs->sr_err==0) */ + return rs->sr_err; +} |