1 /* $NetBSD: compare.c,v 1.3 2021/08/14 16:15:01 christos Exp $ */
2
3 /* compare.c - sock backend compare function */
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 /* ACKNOWLEDGEMENTS:
19 * This work was initially developed by Brian Candler for inclusion
20 * in OpenLDAP Software.
21 */
22
23 #include <sys/cdefs.h>
24 __RCSID("$NetBSD: compare.c,v 1.3 2021/08/14 16:15:01 christos Exp $");
25
26 #include "portable.h"
27
28 #include <stdio.h>
29
30 #include <ac/string.h>
31 #include <ac/socket.h>
32
33 #include "slap.h"
34 #include "back-sock.h"
35 #include "ldif.h"
36
37 int
sock_back_compare(Operation * op,SlapReply * rs)38 sock_back_compare(
39 Operation *op,
40 SlapReply *rs )
41 {
42 struct sockinfo *si = (struct sockinfo *) op->o_bd->be_private;
43 AttributeDescription *entry = slap_schema.si_ad_entry;
44 Entry e;
45 FILE *fp;
46 char *text;
47
48 e.e_id = NOID;
49 e.e_name = op->o_req_dn;
50 e.e_nname = op->o_req_ndn;
51 e.e_attrs = NULL;
52 e.e_ocflags = 0;
53 e.e_bv.bv_len = 0;
54 e.e_bv.bv_val = NULL;
55 e.e_private = NULL;
56
57 if ( ! access_allowed( op, &e,
58 entry, NULL, ACL_COMPARE, NULL ) )
59 {
60 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL );
61 return -1;
62 }
63
64 if ( (fp = opensock( si->si_sockpath )) == NULL ) {
65 send_ldap_error( op, rs, LDAP_OTHER,
66 "could not open socket" );
67 return( -1 );
68 }
69
70 /* write out the request to the compare process */
71 fprintf( fp, "COMPARE\n" );
72 fprintf( fp, "msgid: %ld\n", (long) op->o_msgid );
73 sock_print_conn( fp, op->o_conn, si );
74 sock_print_suffixes( fp, op->o_bd );
75 fprintf( fp, "dn: %s\n", op->o_req_dn.bv_val );
76 /* could be binary */
77 text = ldif_put_wrap( LDIF_PUT_VALUE,
78 op->orc_ava->aa_desc->ad_cname.bv_val,
79 op->orc_ava->aa_value.bv_val,
80 op->orc_ava->aa_value.bv_len, LDIF_LINE_WIDTH_MAX );
81 if ( text ) {
82 fprintf( fp, "%s\n", text );
83 ber_memfree( text );
84 } else {
85 fprintf( fp, "\n\n" );
86 }
87
88 /* read in the result and send it along */
89 sock_read_and_send_results( op, rs, fp );
90
91 fclose( fp );
92 return( 0 );
93 }
94