bind.c 3.67 KB
Newer Older
1
2
3
4
/* OpenLDAP WiredTiger backend */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
Quanah Gibson-Mount's avatar
Quanah Gibson-Mount committed
5
 * Copyright 2002-2021 The OpenLDAP Foundation.
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 * 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 developed by HAMANO Tsukasa <hamano@osstech.co.jp>
 * based on back-bdb for inclusion in OpenLDAP Software.
 * WiredTiger is a product of MongoDB Inc.
 */

#include "portable.h"

#include <stdio.h>
#include "back-wt.h"
26
#include "slap-config.h"
27
28
29
30
31
32
33
34
35
36
37

int
wt_bind( Operation *op, SlapReply *rs )
{
    struct wt_info *wi = (struct wt_info *) op->o_bd->be_private;
	wt_ctx *wc;
	int rc;
	Entry *e = NULL;
	Attribute *a;
	AttributeDescription *password = slap_schema.si_ad_userPassword;

38
    Debug( LDAP_DEBUG_ARGS, "==> wt_bind: dn: %s\n",
39
		   op->o_req_dn.bv_val );
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

	/* 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 */
        /* NOTE: this behavior departs from that of other backends,
         * since the others, in case of password checking failure
         * do not give the database a chance.  If an entry with
         * rootdn's name does not exist in the database the result
         * will be the same.  See ITS#4962 for discussion. */
        break;
	}

	wc = wt_ctx_get(op, wi);
	if( !wc ){
		Debug( LDAP_DEBUG_ANY,
60
			   "wt_bind: wt_ctx_get failed\n" );
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
        send_ldap_result( op, rs );
        return rs->sr_err;
	}

	/* get entry */
	rc = wt_dn2entry(op->o_bd, wc, &op->o_req_ndn, &e);
	switch( rc ) {
	case 0:
		break;
	case WT_NOTFOUND:
		rs->sr_err = LDAP_INVALID_CREDENTIALS;
		send_ldap_result( op, rs );
		return rs->sr_err;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
        send_ldap_result( op, rs );
        return rs->sr_err;
	}

	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 */
88
		Debug( LDAP_DEBUG_TRACE, "entry is subentry\n" );
89
90
91
92
93
94
		rs->sr_err = LDAP_INVALID_CREDENTIALS;
		goto done;
	}

	if ( is_entry_alias( e ) ) {
        /* entry is an alias, don't allow bind */
95
		Debug( LDAP_DEBUG_TRACE, "entry is alias\n" );
96
97
98
99
100
		rs->sr_err = LDAP_INVALID_CREDENTIALS;
		goto done;
	}

	if ( is_entry_referral( e ) ) {
101
		Debug( LDAP_DEBUG_TRACE, "entry is referral\n" );
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
		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:
		rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
		rs->sr_text = "authentication method not supported";
	}

done:
	/* free entry */
	if (e) {
		wt_entry_return(e);
	}
	if (rs->sr_err) {
		send_ldap_result( op, rs );
        if ( rs->sr_ref ) {
            ber_bvarray_free( rs->sr_ref );
			rs->sr_ref = NULL;
		}
	}
	return rs->sr_err;
}

/*
 * Local variables:
 * indent-tabs-mode: t
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 */