1 /* $NetBSD: ava.c,v 1.3 2021/08/14 16:14:58 christos Exp $ */
2
3 /* ava.c - routines for dealing with attribute value assertions */
4 /* $OpenLDAP$ */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 1998-2021 The OpenLDAP Foundation.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
12 * Public License.
13 *
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
17 */
18 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
19 * All rights reserved.
20 *
21 * Redistribution and use in source and binary forms are permitted
22 * provided that this notice is preserved and that due credit is given
23 * to the University of Michigan at Ann Arbor. The name of the University
24 * may not be used to endorse or promote products derived from this
25 * software without specific prior written permission. This software
26 * is provided ``as is'' without express or implied warranty.
27 */
28
29 #include <sys/cdefs.h>
30 __RCSID("$NetBSD: ava.c,v 1.3 2021/08/14 16:14:58 christos Exp $");
31
32 #include "portable.h"
33
34 #include <stdio.h>
35
36 #include <ac/string.h>
37 #include <ac/socket.h>
38
39 #include "slap.h"
40
41 #ifdef LDAP_COMP_MATCH
42 #include "component.h"
43 #endif
44
45 void
ava_free(Operation * op,AttributeAssertion * ava,int freeit)46 ava_free(
47 Operation *op,
48 AttributeAssertion *ava,
49 int freeit )
50 {
51 #ifdef LDAP_COMP_MATCH
52 if ( ava->aa_cf && ava->aa_cf->cf_ca->ca_comp_data.cd_mem_op )
53 nibble_mem_free ( ava->aa_cf->cf_ca->ca_comp_data.cd_mem_op );
54 #endif
55 op->o_tmpfree( ava->aa_value.bv_val, op->o_tmpmemctx );
56 if ( ava->aa_desc->ad_flags & SLAP_DESC_TEMPORARY )
57 op->o_tmpfree( ava->aa_desc, op->o_tmpmemctx );
58 if ( freeit ) op->o_tmpfree( (char *) ava, op->o_tmpmemctx );
59 }
60
61 int
get_ava(Operation * op,BerElement * ber,Filter * f,unsigned usage,const char ** text)62 get_ava(
63 Operation *op,
64 BerElement *ber,
65 Filter *f,
66 unsigned usage,
67 const char **text )
68 {
69 int rc;
70 ber_tag_t rtag;
71 struct berval type, value;
72 AttributeAssertion *aa;
73 #ifdef LDAP_COMP_MATCH
74 AttributeAliasing* a_alias = NULL;
75 #endif
76
77 rtag = ber_scanf( ber, "{mm}", &type, &value );
78
79 if( rtag == LBER_ERROR ) {
80 Debug( LDAP_DEBUG_ANY, " get_ava ber_scanf\n" );
81 *text = "Error decoding attribute value assertion";
82 return SLAPD_DISCONNECT;
83 }
84
85 aa = op->o_tmpalloc( sizeof( AttributeAssertion ), op->o_tmpmemctx );
86 aa->aa_desc = NULL;
87 aa->aa_value.bv_val = NULL;
88 #ifdef LDAP_COMP_MATCH
89 aa->aa_cf = NULL;
90 #endif
91
92 rc = slap_bv2ad( &type, &aa->aa_desc, text );
93
94 if( rc != LDAP_SUCCESS ) {
95 f->f_choice |= SLAPD_FILTER_UNDEFINED;
96 *text = NULL;
97 rc = slap_bv2undef_ad( &type, &aa->aa_desc, text,
98 SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
99
100 if( rc != LDAP_SUCCESS ) {
101 Debug( LDAP_DEBUG_FILTER,
102 "get_ava: unknown attributeType %s\n", type.bv_val );
103 aa->aa_desc = slap_bv2tmp_ad( &type, op->o_tmpmemctx );
104 ber_dupbv_x( &aa->aa_value, &value, op->o_tmpmemctx );
105 f->f_ava = aa;
106 return LDAP_SUCCESS;
107 }
108 }
109
110 rc = asserted_value_validate_normalize(
111 aa->aa_desc, ad_mr(aa->aa_desc, usage),
112 usage, &value, &aa->aa_value, text, op->o_tmpmemctx );
113
114 if( rc != LDAP_SUCCESS ) {
115 f->f_choice |= SLAPD_FILTER_UNDEFINED;
116 Debug( LDAP_DEBUG_FILTER,
117 "get_ava: illegal value for attributeType %s\n", type.bv_val );
118 ber_dupbv_x( &aa->aa_value, &value, op->o_tmpmemctx );
119 *text = NULL;
120 rc = LDAP_SUCCESS;
121 }
122
123 #ifdef LDAP_COMP_MATCH
124 if( is_aliased_attribute ) {
125 a_alias = is_aliased_attribute ( aa->aa_desc );
126 if ( a_alias ) {
127 rc = get_aliased_filter_aa ( op, aa, a_alias, text );
128 if( rc != LDAP_SUCCESS ) {
129 Debug( LDAP_DEBUG_FILTER,
130 "get_ava: Invalid Attribute Aliasing\n" );
131 return rc;
132 }
133 }
134 }
135 #endif
136 f->f_ava = aa;
137 return LDAP_SUCCESS;
138 }
139