1998-08-09 08:43:13 +08:00
|
|
|
/* bind.c - decode an ldap bind operation and pass it to a backend db */
|
1999-09-09 03:06:24 +08:00
|
|
|
/* $OpenLDAP$ */
|
1999-08-07 07:07:46 +08:00
|
|
|
/*
|
2002-01-05 05:17:25 +08:00
|
|
|
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
|
1999-08-07 07:07:46 +08:00
|
|
|
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
|
|
|
|
*/
|
1998-08-09 08:43:13 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Copyright (c) 1995 Regents of the University of Michigan.
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms are permitted
|
|
|
|
* provided that this notice is preserved and that due credit is given
|
|
|
|
* to the University of Michigan at Ann Arbor. The name of the University
|
|
|
|
* may not be used to endorse or promote products derived from this
|
|
|
|
* software without specific prior written permission. This software
|
|
|
|
* is provided ``as is'' without express or implied warranty.
|
|
|
|
*/
|
|
|
|
|
1998-10-25 09:41:42 +08:00
|
|
|
#include "portable.h"
|
|
|
|
|
1998-08-09 08:43:13 +08:00
|
|
|
#include <stdio.h>
|
1998-10-25 09:41:42 +08:00
|
|
|
|
|
|
|
#include <ac/string.h>
|
|
|
|
#include <ac/socket.h>
|
|
|
|
|
1999-10-28 15:13:33 +08:00
|
|
|
#include "ldap_pvt.h"
|
1998-08-09 08:43:13 +08:00
|
|
|
#include "slap.h"
|
|
|
|
|
1999-07-02 05:20:45 +08:00
|
|
|
int
|
1998-08-09 08:43:13 +08:00
|
|
|
do_bind(
|
|
|
|
Connection *conn,
|
|
|
|
Operation *op
|
|
|
|
)
|
|
|
|
{
|
2001-12-23 08:43:57 +08:00
|
|
|
BerElement *ber = op->o_ber;
|
|
|
|
ber_int_t version;
|
1999-06-19 07:53:05 +08:00
|
|
|
ber_tag_t method;
|
2002-01-26 21:57:41 +08:00
|
|
|
struct berval mech = { 0, NULL };
|
2001-12-23 05:52:58 +08:00
|
|
|
struct berval dn = { 0, NULL };
|
2001-12-28 15:27:15 +08:00
|
|
|
struct berval pdn = { 0, NULL };
|
|
|
|
struct berval ndn = { 0, NULL };
|
2002-01-26 21:57:41 +08:00
|
|
|
struct berval edn = { 0, NULL };
|
2001-12-23 08:43:57 +08:00
|
|
|
ber_tag_t tag;
|
|
|
|
int rc = LDAP_SUCCESS;
|
|
|
|
const char *text;
|
|
|
|
struct berval cred = { 0, NULL };
|
2002-08-27 01:37:33 +08:00
|
|
|
Backend *be = NULL;
|
1998-08-09 08:43:13 +08:00
|
|
|
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, ENTRY, "do_bind: conn %d\n", conn->c_connid, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
1998-08-09 08:43:13 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE, "do_bind\n", 0, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
1998-08-09 08:43:13 +08:00
|
|
|
|
2000-04-25 21:21:42 +08:00
|
|
|
/*
|
|
|
|
* Force to connection to "anonymous" until bind succeeds.
|
1999-07-03 03:48:07 +08:00
|
|
|
*/
|
2000-09-09 06:59:01 +08:00
|
|
|
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
|
2002-07-13 08:11:03 +08:00
|
|
|
if ( conn->c_sasl_bind_in_progress ) be = conn->c_authz_backend;
|
2000-09-09 06:59:01 +08:00
|
|
|
connection2anonymous( conn );
|
2002-07-13 08:11:03 +08:00
|
|
|
if ( conn->c_sasl_bind_in_progress ) conn->c_authz_backend = be;
|
1999-07-03 03:48:07 +08:00
|
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
|
|
|
2001-12-24 23:11:01 +08:00
|
|
|
if ( op->o_dn.bv_val != NULL ) {
|
|
|
|
free( op->o_dn.bv_val );
|
|
|
|
op->o_dn.bv_val = ch_strdup( "" );
|
|
|
|
op->o_dn.bv_len = 0;
|
1999-07-05 03:53:00 +08:00
|
|
|
}
|
|
|
|
|
2001-12-24 23:11:01 +08:00
|
|
|
if ( op->o_ndn.bv_val != NULL ) {
|
|
|
|
free( op->o_ndn.bv_val );
|
|
|
|
op->o_ndn.bv_val = ch_strdup( "" );
|
|
|
|
op->o_ndn.bv_len = 0;
|
1999-07-05 02:46:24 +08:00
|
|
|
}
|
|
|
|
|
1998-08-09 08:43:13 +08:00
|
|
|
/*
|
|
|
|
* Parse the bind request. It looks like this:
|
|
|
|
*
|
|
|
|
* BindRequest ::= SEQUENCE {
|
|
|
|
* version INTEGER, -- version
|
|
|
|
* name DistinguishedName, -- dn
|
|
|
|
* authentication CHOICE {
|
|
|
|
* simple [0] OCTET STRING -- passwd
|
|
|
|
* krbv42ldap [1] OCTET STRING
|
1999-07-03 03:48:07 +08:00
|
|
|
* krbv42dsa [2] OCTET STRING
|
|
|
|
* SASL [3] SaslCredentials
|
1998-08-09 08:43:13 +08:00
|
|
|
* }
|
1999-07-03 03:48:07 +08:00
|
|
|
* }
|
|
|
|
*
|
|
|
|
* SaslCredentials ::= SEQUENCE {
|
2001-01-18 00:35:53 +08:00
|
|
|
* mechanism LDAPString,
|
|
|
|
* credentials OCTET STRING OPTIONAL
|
1998-08-09 08:43:13 +08:00
|
|
|
* }
|
|
|
|
*/
|
|
|
|
|
2002-01-06 14:11:01 +08:00
|
|
|
tag = ber_scanf( ber, "{imt" /*}*/, &version, &dn, &method );
|
1999-01-19 13:10:50 +08:00
|
|
|
|
1999-07-02 05:20:45 +08:00
|
|
|
if ( tag == LBER_ERROR ) {
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, ERR,
|
|
|
|
"do_bind: conn %d ber_scanf failed\n", conn->c_connid, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
1999-05-19 09:12:33 +08:00
|
|
|
Debug( LDAP_DEBUG_ANY, "bind: ber_scanf failed\n", 0, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
1999-07-08 02:51:39 +08:00
|
|
|
send_ldap_disconnect( conn, op,
|
|
|
|
LDAP_PROTOCOL_ERROR, "decoding error" );
|
|
|
|
rc = -1;
|
1999-07-01 12:42:01 +08:00
|
|
|
goto cleanup;
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|
1999-05-22 14:11:48 +08:00
|
|
|
|
1999-07-06 07:01:17 +08:00
|
|
|
op->o_protocol = version;
|
|
|
|
|
1999-07-01 11:18:00 +08:00
|
|
|
if( method != LDAP_AUTH_SASL ) {
|
2002-01-06 14:11:01 +08:00
|
|
|
tag = ber_scanf( ber, /*{*/ "m}", &cred );
|
1999-07-01 11:18:00 +08:00
|
|
|
|
|
|
|
} else {
|
2002-01-26 21:57:41 +08:00
|
|
|
tag = ber_scanf( ber, "{o" /*}*/, &mech );
|
1999-07-01 11:18:00 +08:00
|
|
|
|
1999-07-02 05:20:45 +08:00
|
|
|
if ( tag != LBER_ERROR ) {
|
1999-07-01 11:18:00 +08:00
|
|
|
ber_len_t len;
|
1999-07-02 05:20:45 +08:00
|
|
|
tag = ber_peek_tag( ber, &len );
|
1999-07-01 11:18:00 +08:00
|
|
|
|
1999-07-02 05:20:45 +08:00
|
|
|
if ( tag == LDAP_TAG_LDAPCRED ) {
|
2002-01-06 14:11:01 +08:00
|
|
|
tag = ber_scanf( ber, "m", &cred );
|
2000-09-15 08:09:44 +08:00
|
|
|
} else {
|
|
|
|
tag = LDAP_TAG_LDAPCRED;
|
|
|
|
cred.bv_val = NULL;
|
|
|
|
cred.bv_len = 0;
|
1999-07-01 11:18:00 +08:00
|
|
|
}
|
|
|
|
|
1999-07-02 05:20:45 +08:00
|
|
|
if ( tag != LBER_ERROR ) {
|
|
|
|
tag = ber_scanf( ber, /*{{*/ "}}" );
|
1999-07-01 11:18:00 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1999-07-02 05:20:45 +08:00
|
|
|
if ( tag == LBER_ERROR ) {
|
1999-07-08 02:51:39 +08:00
|
|
|
send_ldap_disconnect( conn, op,
|
|
|
|
LDAP_PROTOCOL_ERROR,
|
2001-01-18 00:35:53 +08:00
|
|
|
"decoding error" );
|
2000-03-01 07:48:01 +08:00
|
|
|
rc = SLAPD_DISCONNECT;
|
1999-07-01 12:42:01 +08:00
|
|
|
goto cleanup;
|
1999-07-01 11:18:00 +08:00
|
|
|
}
|
|
|
|
|
1999-07-02 05:20:45 +08:00
|
|
|
if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, INFO,
|
|
|
|
"do_bind: conn %d get_ctrls failed\n", conn->c_connid, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
1999-07-01 12:42:01 +08:00
|
|
|
Debug( LDAP_DEBUG_ANY, "do_bind: get_ctrls failed\n", 0, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
1999-07-01 12:42:01 +08:00
|
|
|
goto cleanup;
|
1999-07-01 06:43:27 +08:00
|
|
|
}
|
|
|
|
|
2001-12-28 15:27:15 +08:00
|
|
|
rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
|
2001-12-23 08:43:57 +08:00
|
|
|
if ( rc != LDAP_SUCCESS ) {
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, INFO,
|
|
|
|
"do_bind: conn %d invalid dn (%s)\n",
|
|
|
|
conn->c_connid, dn.bv_val, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
2001-12-23 05:52:58 +08:00
|
|
|
Debug( LDAP_DEBUG_ANY, "bind: invalid dn (%s)\n",
|
|
|
|
dn.bv_val, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
2000-03-02 06:59:34 +08:00
|
|
|
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
|
|
|
|
"invalid DN", NULL, NULL );
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
1999-07-01 12:42:01 +08:00
|
|
|
if( method == LDAP_AUTH_SASL ) {
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, DETAIL1,
|
|
|
|
"do_sasl_bind: conn %d dn (%s) mech %s\n",
|
|
|
|
conn->c_connid, pdn.bv_val, mech.bv_val );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
1999-07-01 12:42:01 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE, "do_sasl_bind: dn (%s) mech %s\n",
|
2002-01-26 21:57:41 +08:00
|
|
|
pdn.bv_val, mech.bv_val, NULL );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
2001-12-23 08:43:57 +08:00
|
|
|
|
1999-07-01 12:42:01 +08:00
|
|
|
} else {
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, DETAIL1,
|
|
|
|
"do_bind: version=%ld dn=\"%s\" method=%ld\n",
|
|
|
|
(unsigned long) version, pdn.bv_val, (unsigned long)method );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
2001-12-23 05:52:58 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"do_bind: version=%ld dn=\"%s\" method=%ld\n",
|
|
|
|
(unsigned long) version,
|
2001-12-28 15:27:15 +08:00
|
|
|
pdn.bv_val, (unsigned long) method );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
1999-07-01 12:42:01 +08:00
|
|
|
}
|
1999-01-19 13:10:50 +08:00
|
|
|
|
2002-04-08 17:43:22 +08:00
|
|
|
Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu BIND dn=\"%s\" method=%ld\n",
|
2001-12-28 15:27:15 +08:00
|
|
|
op->o_connid, op->o_opid, pdn.bv_val, (unsigned long) method, 0 );
|
1998-08-09 08:43:13 +08:00
|
|
|
|
1999-06-29 09:02:48 +08:00
|
|
|
if ( version < LDAP_VERSION_MIN || version > LDAP_VERSION_MAX ) {
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, INFO,
|
2001-12-23 05:52:58 +08:00
|
|
|
"do_bind: conn %d unknown version = %ld\n",
|
2002-07-12 04:33:24 +08:00
|
|
|
conn->c_connid, (unsigned long)version, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
1999-08-19 08:40:18 +08:00
|
|
|
Debug( LDAP_DEBUG_ANY, "do_bind: unknown version=%ld\n",
|
|
|
|
(unsigned long) version, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
1999-07-16 10:45:46 +08:00
|
|
|
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
|
2000-04-25 21:21:42 +08:00
|
|
|
NULL, "requested protocol version not supported", NULL, NULL );
|
1999-07-01 12:42:01 +08:00
|
|
|
goto cleanup;
|
2000-08-29 02:38:48 +08:00
|
|
|
|
2001-12-21 12:44:34 +08:00
|
|
|
} else if (!( global_allows & SLAP_ALLOW_BIND_V2 ) &&
|
2000-08-29 02:38:48 +08:00
|
|
|
version < LDAP_VERSION3 )
|
|
|
|
{
|
|
|
|
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
|
|
|
|
NULL, "requested protocol version not allowed", NULL, NULL );
|
|
|
|
goto cleanup;
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|
|
|
|
|
2000-04-25 21:21:42 +08:00
|
|
|
/* we set connection version regardless of whether bind succeeds
|
|
|
|
* or not.
|
|
|
|
*/
|
|
|
|
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
|
|
|
|
conn->c_protocol = version;
|
|
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
|
|
|
2002-01-06 08:36:55 +08:00
|
|
|
/* check for inappropriate controls */
|
|
|
|
if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
|
|
|
|
send_ldap_result( conn, op,
|
|
|
|
rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
|
|
|
|
NULL, "manageDSAit control inappropriate",
|
|
|
|
NULL, NULL );
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
2002-08-24 15:34:50 +08:00
|
|
|
/* Set the bindop for the benefit of in-directory SASL lookups */
|
|
|
|
conn->c_sasl_bindop = op;
|
|
|
|
|
1999-07-01 12:42:01 +08:00
|
|
|
if ( method == LDAP_AUTH_SASL ) {
|
2000-08-26 09:14:05 +08:00
|
|
|
slap_ssf_t ssf = 0;
|
2000-04-26 01:23:54 +08:00
|
|
|
|
1999-07-01 12:42:01 +08:00
|
|
|
if ( version < LDAP_VERSION3 ) {
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, INFO,
|
2001-12-23 05:52:58 +08:00
|
|
|
"do_bind: conn %d sasl with LDAPv%ld\n",
|
2002-07-12 04:33:24 +08:00
|
|
|
conn->c_connid, (unsigned long)version , 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
1999-08-19 08:40:18 +08:00
|
|
|
Debug( LDAP_DEBUG_ANY, "do_bind: sasl with LDAPv%ld\n",
|
|
|
|
(unsigned long) version, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
1999-07-08 02:51:39 +08:00
|
|
|
send_ldap_disconnect( conn, op,
|
2000-04-25 21:21:42 +08:00
|
|
|
LDAP_PROTOCOL_ERROR, "SASL bind requires LDAPv3" );
|
2000-03-01 07:48:01 +08:00
|
|
|
rc = SLAPD_DISCONNECT;
|
1999-07-01 12:42:01 +08:00
|
|
|
goto cleanup;
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|
1999-07-01 12:42:01 +08:00
|
|
|
|
2002-01-26 21:57:41 +08:00
|
|
|
if( mech.bv_len == 0 ) {
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, INFO,
|
2001-01-18 00:35:53 +08:00
|
|
|
"do_bind: conn %d no SASL mechanism provided\n",
|
2002-07-12 04:33:24 +08:00
|
|
|
conn->c_connid, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
1999-07-01 12:42:01 +08:00
|
|
|
Debug( LDAP_DEBUG_ANY,
|
|
|
|
"do_bind: no sasl mechanism provided\n",
|
1999-08-19 08:40:18 +08:00
|
|
|
0, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
2000-04-26 17:20:25 +08:00
|
|
|
send_ldap_result( conn, op, rc = LDAP_AUTH_METHOD_NOT_SUPPORTED,
|
2000-04-25 21:21:42 +08:00
|
|
|
NULL, "no SASL mechanism provided", NULL, NULL );
|
1999-07-01 12:42:01 +08:00
|
|
|
goto cleanup;
|
1999-07-01 11:18:00 +08:00
|
|
|
}
|
1999-07-01 12:42:01 +08:00
|
|
|
|
2001-02-03 11:17:22 +08:00
|
|
|
/* check restrictions */
|
2002-05-01 09:04:57 +08:00
|
|
|
rc = backend_check_restrictions( NULL, conn, op, &mech, &text );
|
2001-02-03 11:17:22 +08:00
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
|
|
send_ldap_result( conn, op, rc,
|
|
|
|
NULL, text, NULL, NULL );
|
|
|
|
goto cleanup;
|
|
|
|
}
|
|
|
|
|
1999-03-22 15:14:54 +08:00
|
|
|
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
|
2000-09-22 01:32:54 +08:00
|
|
|
if ( conn->c_sasl_bind_in_progress ) {
|
2002-09-03 03:39:06 +08:00
|
|
|
if( !bvmatch( &conn->c_sasl_bind_mech, &mech ) ) {
|
2000-09-22 01:32:54 +08:00
|
|
|
/* mechanism changed between bind steps */
|
2000-07-14 06:54:38 +08:00
|
|
|
slap_sasl_reset(conn);
|
1999-07-03 03:48:07 +08:00
|
|
|
}
|
2000-04-26 02:02:50 +08:00
|
|
|
} else {
|
2000-09-22 01:32:54 +08:00
|
|
|
conn->c_sasl_bind_mech = mech;
|
2002-01-26 21:57:41 +08:00
|
|
|
mech.bv_val = NULL;
|
|
|
|
mech.bv_len = 0;
|
1999-01-22 09:40:39 +08:00
|
|
|
}
|
2000-04-25 21:21:42 +08:00
|
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
|
|
|
2001-12-23 08:43:57 +08:00
|
|
|
rc = slap_sasl_bind( conn, op,
|
2001-12-28 15:27:15 +08:00
|
|
|
&pdn, &ndn,
|
2001-12-23 08:43:57 +08:00
|
|
|
&cred, &edn, &ssf );
|
2000-04-26 01:23:54 +08:00
|
|
|
|
2000-09-22 01:32:54 +08:00
|
|
|
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
|
2000-05-12 04:16:26 +08:00
|
|
|
if( rc == LDAP_SUCCESS ) {
|
2002-01-26 21:57:41 +08:00
|
|
|
conn->c_dn = edn;
|
|
|
|
if( edn.bv_len != 0 ) {
|
|
|
|
/* edn is always normalized already */
|
|
|
|
ber_dupbv( &conn->c_ndn, &conn->c_dn );
|
2001-12-09 22:46:29 +08:00
|
|
|
}
|
2000-09-22 01:32:54 +08:00
|
|
|
conn->c_authmech = conn->c_sasl_bind_mech;
|
2002-01-26 21:57:41 +08:00
|
|
|
conn->c_sasl_bind_mech.bv_val = NULL;
|
|
|
|
conn->c_sasl_bind_mech.bv_len = 0;
|
2000-09-22 01:32:54 +08:00
|
|
|
conn->c_sasl_bind_in_progress = 0;
|
2001-05-30 04:00:55 +08:00
|
|
|
|
2000-08-29 02:58:13 +08:00
|
|
|
conn->c_sasl_ssf = ssf;
|
|
|
|
if( ssf > conn->c_ssf ) {
|
|
|
|
conn->c_ssf = ssf;
|
|
|
|
}
|
2001-05-30 04:00:55 +08:00
|
|
|
|
2001-12-24 23:11:01 +08:00
|
|
|
if( conn->c_dn.bv_len != 0 ) {
|
2002-08-29 19:53:37 +08:00
|
|
|
ber_len_t max = sockbuf_max_incoming_auth;
|
2001-05-30 04:00:55 +08:00
|
|
|
ber_sockbuf_ctrl( conn->c_sb,
|
|
|
|
LBER_SB_OPT_SET_MAX_INCOMING, &max );
|
|
|
|
}
|
|
|
|
|
2002-08-13 11:49:21 +08:00
|
|
|
#ifdef NEW_LOGGING
|
|
|
|
LDAP_LOG( OPERATION, DETAIL1,
|
|
|
|
"do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
|
|
|
|
conn->c_authmech.bv_val, conn->c_dn.bv_val, ssf );
|
|
|
|
#else
|
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"do_bind: SASL/%s bind: dn=\"%s\" ssf=%d\n",
|
|
|
|
conn->c_authmech.bv_val, conn->c_dn.bv_val, ssf );
|
|
|
|
#endif
|
|
|
|
|
2000-04-26 02:02:50 +08:00
|
|
|
} else if ( rc == LDAP_SASL_BIND_IN_PROGRESS ) {
|
2000-09-22 01:32:54 +08:00
|
|
|
conn->c_sasl_bind_in_progress = 1;
|
2000-04-26 02:02:50 +08:00
|
|
|
|
2000-09-22 01:32:54 +08:00
|
|
|
} else {
|
2002-01-26 21:57:41 +08:00
|
|
|
if ( conn->c_sasl_bind_mech.bv_val ) {
|
|
|
|
free( conn->c_sasl_bind_mech.bv_val );
|
|
|
|
conn->c_sasl_bind_mech.bv_val = NULL;
|
|
|
|
conn->c_sasl_bind_mech.bv_len = 0;
|
2000-09-22 01:32:54 +08:00
|
|
|
}
|
|
|
|
conn->c_sasl_bind_in_progress = 0;
|
|
|
|
}
|
|
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
2000-07-14 06:54:38 +08:00
|
|
|
|
2000-04-26 01:23:54 +08:00
|
|
|
goto cleanup;
|
|
|
|
|
1999-07-03 03:48:07 +08:00
|
|
|
} else {
|
2000-04-25 21:21:42 +08:00
|
|
|
/* Not SASL, cancel any in-progress bind */
|
1999-07-03 03:48:07 +08:00
|
|
|
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
|
|
|
|
|
2002-01-26 21:57:41 +08:00
|
|
|
if ( conn->c_sasl_bind_mech.bv_val != NULL ) {
|
|
|
|
free(conn->c_sasl_bind_mech.bv_val);
|
|
|
|
conn->c_sasl_bind_mech.bv_val = NULL;
|
|
|
|
conn->c_sasl_bind_mech.bv_len = 0;
|
1999-01-22 09:40:39 +08:00
|
|
|
}
|
2000-09-22 01:32:54 +08:00
|
|
|
conn->c_sasl_bind_in_progress = 0;
|
1999-01-22 09:40:39 +08:00
|
|
|
|
2000-07-14 06:54:38 +08:00
|
|
|
slap_sasl_reset( conn );
|
2000-04-25 21:21:42 +08:00
|
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
|
|
|
}
|
1999-01-22 09:40:39 +08:00
|
|
|
|
2000-09-12 02:24:24 +08:00
|
|
|
if ( method == LDAP_AUTH_SIMPLE ) {
|
|
|
|
/* accept "anonymous" binds */
|
2001-12-28 15:27:15 +08:00
|
|
|
if ( cred.bv_len == 0 || ndn.bv_len == 0 ) {
|
2000-09-12 02:24:24 +08:00
|
|
|
rc = LDAP_SUCCESS;
|
|
|
|
text = NULL;
|
|
|
|
|
|
|
|
if( cred.bv_len &&
|
2001-12-21 12:44:34 +08:00
|
|
|
!( global_allows & SLAP_ALLOW_BIND_ANON_CRED ))
|
2000-09-12 02:24:24 +08:00
|
|
|
{
|
|
|
|
/* cred is not empty, disallow */
|
|
|
|
rc = LDAP_INVALID_CREDENTIALS;
|
|
|
|
|
2001-12-28 15:27:15 +08:00
|
|
|
} else if ( ndn.bv_len &&
|
2001-12-21 12:44:34 +08:00
|
|
|
!( global_allows & SLAP_ALLOW_BIND_ANON_DN ))
|
2000-09-12 02:24:24 +08:00
|
|
|
{
|
|
|
|
/* DN is not empty, disallow */
|
|
|
|
rc = LDAP_UNWILLING_TO_PERFORM;
|
|
|
|
text = "unwilling to allow anonymous bind with non-empty DN";
|
|
|
|
|
|
|
|
} else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
|
|
|
|
/* disallow */
|
|
|
|
rc = LDAP_INAPPROPRIATE_AUTH;
|
|
|
|
text = "anonymous bind disallowed";
|
2001-02-03 11:17:22 +08:00
|
|
|
|
|
|
|
} else {
|
2002-05-01 09:04:57 +08:00
|
|
|
rc = backend_check_restrictions( NULL, conn, op,
|
|
|
|
&mech, &text );
|
2000-09-12 02:24:24 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* we already forced connection to "anonymous",
|
|
|
|
* just need to send success
|
|
|
|
*/
|
|
|
|
send_ldap_result( conn, op, rc,
|
|
|
|
NULL, text, NULL, NULL );
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, DETAIL1,
|
2001-01-18 00:35:53 +08:00
|
|
|
"do_bind: conn %d v%d anonymous bind\n",
|
2002-07-12 04:33:24 +08:00
|
|
|
conn->c_connid, version , 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
2000-09-12 02:24:24 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
|
2001-01-18 00:35:53 +08:00
|
|
|
version, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
2000-09-12 02:24:24 +08:00
|
|
|
goto cleanup;
|
|
|
|
|
|
|
|
} else if ( global_disallows & SLAP_DISALLOW_BIND_SIMPLE ) {
|
|
|
|
/* disallow simple authentication */
|
2000-08-29 02:38:48 +08:00
|
|
|
rc = LDAP_UNWILLING_TO_PERFORM;
|
2000-09-12 02:24:24 +08:00
|
|
|
text = "unwilling to perform simple authentication";
|
|
|
|
|
|
|
|
send_ldap_result( conn, op, rc,
|
|
|
|
NULL, text, NULL, NULL );
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, INFO,
|
2001-01-18 00:35:53 +08:00
|
|
|
"do_bind: conn %d v%d simple bind(%s) disallowed\n",
|
2002-07-12 04:33:24 +08:00
|
|
|
conn->c_connid, version, ndn.bv_val );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
2000-09-12 02:24:24 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"do_bind: v%d simple bind(%s) disallowed\n",
|
2001-12-28 15:27:15 +08:00
|
|
|
version, ndn.bv_val, 0 );
|
2002-06-18 06:18:27 +08:00
|
|
|
#endif
|
|
|
|
goto cleanup;
|
|
|
|
|
|
|
|
} else if (( global_disallows & SLAP_DISALLOW_BIND_SIMPLE_UNPROTECTED )
|
2002-10-09 03:03:18 +08:00
|
|
|
&& ( op->o_ssf <= 1 ))
|
2002-06-18 06:18:27 +08:00
|
|
|
{
|
|
|
|
rc = LDAP_CONFIDENTIALITY_REQUIRED;
|
|
|
|
text = "unwilling to perform simple authentication "
|
|
|
|
"without confidentilty protection";
|
|
|
|
|
|
|
|
send_ldap_result( conn, op, rc,
|
|
|
|
NULL, text, NULL, NULL );
|
|
|
|
|
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, INFO, "do_bind: conn %d "
|
2002-06-18 06:18:27 +08:00
|
|
|
"v%d unprotected simple bind(%s) disallowed\n",
|
2002-07-12 04:33:24 +08:00
|
|
|
conn->c_connid, version, ndn.bv_val );
|
2002-06-18 06:18:27 +08:00
|
|
|
#else
|
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"do_bind: v%d unprotected simple bind(%s) disallowed\n",
|
|
|
|
version, ndn.bv_val, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
2000-09-12 02:24:24 +08:00
|
|
|
goto cleanup;
|
|
|
|
}
|
2000-08-29 02:38:48 +08:00
|
|
|
|
2000-09-12 02:24:24 +08:00
|
|
|
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
|
|
|
|
} else if ( method == LDAP_AUTH_KRBV41 || method == LDAP_AUTH_KRBV42 ) {
|
|
|
|
if ( global_disallows & SLAP_DISALLOW_BIND_KRBV4 ) {
|
|
|
|
/* disallow simple authentication */
|
2000-08-29 02:38:48 +08:00
|
|
|
rc = LDAP_UNWILLING_TO_PERFORM;
|
2000-09-12 02:24:24 +08:00
|
|
|
text = "unwilling to perform Kerberos V4 bind";
|
|
|
|
|
|
|
|
send_ldap_result( conn, op, rc,
|
|
|
|
NULL, text, NULL, NULL );
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, DETAIL1,
|
2001-01-18 00:35:53 +08:00
|
|
|
"do_bind: conn %d v%d Kerberos V4 bind\n",
|
2002-07-12 04:33:24 +08:00
|
|
|
conn->c_connid, version , 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
2000-09-12 02:24:24 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE, "do_bind: v%d Kerberos V4 bind\n",
|
|
|
|
version, 0, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
2000-09-12 02:24:24 +08:00
|
|
|
goto cleanup;
|
2000-08-29 02:38:48 +08:00
|
|
|
}
|
2000-09-12 02:24:24 +08:00
|
|
|
#endif
|
|
|
|
|
|
|
|
} else {
|
2000-10-13 13:28:23 +08:00
|
|
|
rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
|
2000-09-12 02:24:24 +08:00
|
|
|
text = "unknown authentication method";
|
2000-08-29 02:38:48 +08:00
|
|
|
|
|
|
|
send_ldap_result( conn, op, rc,
|
|
|
|
NULL, text, NULL, NULL );
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, INFO,
|
2001-11-18 00:18:07 +08:00
|
|
|
"do_bind: conn %ld v%d unknown authentication method (%ld)\n",
|
2002-07-12 04:33:24 +08:00
|
|
|
conn->c_connid, version, method );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
2000-09-12 02:24:24 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
2001-11-18 00:18:07 +08:00
|
|
|
"do_bind: v%d unknown authentication method (%ld)\n",
|
2000-09-12 02:24:24 +08:00
|
|
|
version, method, 0 );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
1999-07-01 12:42:01 +08:00
|
|
|
goto cleanup;
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We could be serving multiple database backends. Select the
|
|
|
|
* appropriate one, or send a referral to our "referral server"
|
|
|
|
* if we don't hold it.
|
|
|
|
*/
|
|
|
|
|
2001-12-28 15:27:15 +08:00
|
|
|
if ( (be = select_backend( &ndn, 0, 0 )) == NULL ) {
|
2000-04-25 21:21:42 +08:00
|
|
|
if ( default_referral ) {
|
2002-01-14 09:43:17 +08:00
|
|
|
BerVarray ref = referral_rewrite( default_referral,
|
2001-12-28 15:27:15 +08:00
|
|
|
NULL, &pdn, LDAP_SCOPE_DEFAULT );
|
2001-10-26 10:05:14 +08:00
|
|
|
|
1999-07-16 10:45:46 +08:00
|
|
|
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
|
2001-10-26 10:05:14 +08:00
|
|
|
NULL, NULL, ref ? ref : default_referral, NULL );
|
|
|
|
|
2002-01-14 09:43:17 +08:00
|
|
|
ber_bvarray_free( ref );
|
1999-07-03 03:48:07 +08:00
|
|
|
|
1998-08-09 08:43:13 +08:00
|
|
|
} else {
|
1999-09-24 09:46:37 +08:00
|
|
|
/* noSuchObject is not allowed to be returned by bind */
|
1999-07-02 05:20:45 +08:00
|
|
|
send_ldap_result( conn, op, rc = LDAP_INVALID_CREDENTIALS,
|
1999-07-16 10:45:46 +08:00
|
|
|
NULL, NULL, NULL, NULL );
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|
1999-07-02 05:20:45 +08:00
|
|
|
|
1999-07-01 12:42:01 +08:00
|
|
|
goto cleanup;
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|
|
|
|
|
2000-08-29 02:38:48 +08:00
|
|
|
/* check restrictions */
|
2001-02-03 11:17:22 +08:00
|
|
|
rc = backend_check_restrictions( be, conn, op, NULL, &text );
|
1999-12-08 12:37:59 +08:00
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
|
|
send_ldap_result( conn, op, rc,
|
2000-03-04 06:37:06 +08:00
|
|
|
NULL, text, NULL, NULL );
|
2000-02-01 09:22:06 +08:00
|
|
|
goto cleanup;
|
1999-12-08 12:37:59 +08:00
|
|
|
}
|
|
|
|
|
1999-03-04 02:49:59 +08:00
|
|
|
if ( be->be_bind ) {
|
1999-12-08 12:37:59 +08:00
|
|
|
int ret;
|
1999-01-19 13:10:50 +08:00
|
|
|
|
1999-07-28 02:43:30 +08:00
|
|
|
/* deref suffix alias if appropriate */
|
2001-12-28 15:27:15 +08:00
|
|
|
suffix_alias( be, &ndn );
|
1999-07-28 02:43:30 +08:00
|
|
|
|
2001-12-23 08:43:57 +08:00
|
|
|
ret = (*be->be_bind)( be, conn, op,
|
2001-12-28 15:27:15 +08:00
|
|
|
&pdn, &ndn, method, &cred, &edn );
|
1999-12-08 12:37:59 +08:00
|
|
|
|
|
|
|
if ( ret == 0 ) {
|
1999-03-22 15:14:54 +08:00
|
|
|
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
|
1999-01-19 13:10:50 +08:00
|
|
|
|
2002-06-12 06:56:47 +08:00
|
|
|
if( conn->c_authz_backend == NULL ) {
|
|
|
|
conn->c_authz_backend = be;
|
|
|
|
}
|
|
|
|
|
2001-12-26 19:41:38 +08:00
|
|
|
if(edn.bv_len) {
|
|
|
|
conn->c_dn = edn;
|
2001-12-24 23:11:01 +08:00
|
|
|
} else {
|
2002-06-12 16:38:59 +08:00
|
|
|
conn->c_dn = pdn;
|
|
|
|
pdn.bv_val = NULL;
|
|
|
|
pdn.bv_len = 0;
|
2001-12-24 23:11:01 +08:00
|
|
|
}
|
1999-01-19 13:10:50 +08:00
|
|
|
|
2001-12-28 15:27:15 +08:00
|
|
|
conn->c_ndn = ndn;
|
|
|
|
ndn.bv_val = NULL;
|
|
|
|
ndn.bv_len = 0;
|
1999-01-19 13:10:50 +08:00
|
|
|
|
2001-12-24 23:11:01 +08:00
|
|
|
if( conn->c_dn.bv_len != 0 ) {
|
2002-08-29 19:53:37 +08:00
|
|
|
ber_len_t max = sockbuf_max_incoming_auth;
|
2001-05-30 04:00:55 +08:00
|
|
|
ber_sockbuf_ctrl( conn->c_sb,
|
|
|
|
LBER_SB_OPT_SET_MAX_INCOMING, &max );
|
|
|
|
}
|
|
|
|
|
2001-01-12 01:11:23 +08:00
|
|
|
#ifdef NEW_LOGGING
|
2002-07-12 04:33:24 +08:00
|
|
|
LDAP_LOG( OPERATION, DETAIL1,
|
|
|
|
"do_bind: v%d bind: \"%s\" to \"%s\" \n",
|
|
|
|
version, conn->c_dn.bv_val, conn->c_dn.bv_val );
|
2001-01-12 01:11:23 +08:00
|
|
|
#else
|
2001-12-23 08:43:57 +08:00
|
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
|
|
"do_bind: v%d bind: \"%s\" to \"%s\"\n",
|
2002-06-12 16:38:59 +08:00
|
|
|
version, dn.bv_val, conn->c_dn.bv_val );
|
2001-01-12 01:11:23 +08:00
|
|
|
#endif
|
1999-01-19 13:10:50 +08:00
|
|
|
|
1999-03-22 15:14:54 +08:00
|
|
|
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
|
1998-08-09 08:43:13 +08:00
|
|
|
|
|
|
|
/* send this here to avoid a race condition */
|
1999-07-16 10:45:46 +08:00
|
|
|
send_ldap_result( conn, op, LDAP_SUCCESS,
|
|
|
|
NULL, NULL, NULL, NULL );
|
1999-01-19 13:10:50 +08:00
|
|
|
|
2001-12-26 19:41:38 +08:00
|
|
|
} else if (edn.bv_val != NULL) {
|
|
|
|
free( edn.bv_val );
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|
1999-01-19 13:10:50 +08:00
|
|
|
|
1998-08-09 08:43:13 +08:00
|
|
|
} else {
|
1999-07-16 10:45:46 +08:00
|
|
|
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
|
2001-12-23 08:43:57 +08:00
|
|
|
NULL, "operation not supported within namingContext",
|
|
|
|
NULL, NULL );
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|
|
|
|
|
1999-07-01 12:42:01 +08:00
|
|
|
cleanup:
|
2002-08-27 06:20:30 +08:00
|
|
|
conn->c_sasl_bindop = NULL;
|
2002-08-24 15:34:50 +08:00
|
|
|
|
2001-12-28 15:27:15 +08:00
|
|
|
if( pdn.bv_val != NULL ) {
|
|
|
|
free( pdn.bv_val );
|
2001-12-23 08:43:57 +08:00
|
|
|
}
|
2001-12-28 15:27:15 +08:00
|
|
|
if( ndn.bv_val != NULL ) {
|
|
|
|
free( ndn.bv_val );
|
1999-01-19 13:10:50 +08:00
|
|
|
}
|
2002-01-26 21:57:41 +08:00
|
|
|
if ( mech.bv_val != NULL ) {
|
|
|
|
free( mech.bv_val );
|
1999-07-01 11:18:00 +08:00
|
|
|
}
|
1999-07-02 05:20:45 +08:00
|
|
|
|
|
|
|
return rc;
|
1998-08-09 08:43:13 +08:00
|
|
|
}
|