summaryrefslogtreecommitdiffstats
path: root/servers/slapd/ava.c
blob: 9504051ec8b7156d6a61e9bb4e17109ae3e941b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
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
/* ava.c - routines for dealing with attribute value assertions */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
 * Copyright 1998-2021 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>.
 */
/* Portions 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.
 */

#include "portable.h"

#include <stdio.h>

#include <ac/string.h>
#include <ac/socket.h>

#include "slap.h"

#ifdef LDAP_COMP_MATCH
#include "component.h"
#endif

void
ava_free(
	Operation *op,
	AttributeAssertion *ava,
	int	freeit )
{
#ifdef LDAP_COMP_MATCH
	if ( ava->aa_cf && ava->aa_cf->cf_ca->ca_comp_data.cd_mem_op )
		nibble_mem_free ( ava->aa_cf->cf_ca->ca_comp_data.cd_mem_op );
#endif
	op->o_tmpfree( ava->aa_value.bv_val, op->o_tmpmemctx );
	if ( ava->aa_desc->ad_flags & SLAP_DESC_TEMPORARY )
		op->o_tmpfree( ava->aa_desc, op->o_tmpmemctx );
	if ( freeit ) op->o_tmpfree( (char *) ava, op->o_tmpmemctx );
}

int
get_ava(
	Operation *op,
	BerElement	*ber,
	Filter *f,
	unsigned usage,
	const char **text )
{
	int rc;
	ber_tag_t rtag;
	struct berval type, value;
	AttributeAssertion *aa;
#ifdef LDAP_COMP_MATCH
	AttributeAliasing* a_alias = NULL;
#endif

	rtag = ber_scanf( ber, "{mm}", &type, &value );

	if( rtag == LBER_ERROR ) {
		Debug( LDAP_DEBUG_ANY, "  get_ava ber_scanf\n", 0, 0, 0 );
		*text = "Error decoding attribute value assertion";
		return SLAPD_DISCONNECT;
	}

	aa = op->o_tmpalloc( sizeof( AttributeAssertion ), op->o_tmpmemctx );
	aa->aa_desc = NULL;
	aa->aa_value.bv_val = NULL;
#ifdef LDAP_COMP_MATCH
	aa->aa_cf = NULL;
#endif

	rc = slap_bv2ad( &type, &aa->aa_desc, text );

	if( rc != LDAP_SUCCESS ) {
		f->f_choice |= SLAPD_FILTER_UNDEFINED;
		*text = NULL;
		rc = slap_bv2undef_ad( &type, &aa->aa_desc, text,
				SLAP_AD_PROXIED|SLAP_AD_NOINSERT );

		if( rc != LDAP_SUCCESS ) {
			Debug( LDAP_DEBUG_FILTER,
			"get_ava: unknown attributeType %s\n", type.bv_val, 0, 0 );
			aa->aa_desc = slap_bv2tmp_ad( &type, op->o_tmpmemctx );
			ber_dupbv_x( &aa->aa_value, &value, op->o_tmpmemctx );
			f->f_ava = aa;
			return LDAP_SUCCESS;
		}
	}

	rc = asserted_value_validate_normalize(
		aa->aa_desc, ad_mr(aa->aa_desc, usage),
		usage, &value, &aa->aa_value, text, op->o_tmpmemctx );

	if( rc != LDAP_SUCCESS ) {
		f->f_choice |= SLAPD_FILTER_UNDEFINED;
		Debug( LDAP_DEBUG_FILTER,
		"get_ava: illegal value for attributeType %s\n", type.bv_val, 0, 0 );
		ber_dupbv_x( &aa->aa_value, &value, op->o_tmpmemctx );
		*text = NULL;
		rc = LDAP_SUCCESS;
	}

#ifdef LDAP_COMP_MATCH
	if( is_aliased_attribute ) {
		a_alias = is_aliased_attribute ( aa->aa_desc );
		if ( a_alias ) {
			rc = get_aliased_filter_aa ( op, aa, a_alias, text );
			if( rc != LDAP_SUCCESS ) {
				Debug( LDAP_DEBUG_FILTER,
						"get_ava: Invalid Attribute Aliasing\n", 0, 0, 0 );
				return rc;
			}
		}
	}
#endif
	f->f_ava = aa;
	return LDAP_SUCCESS;
}