2 * Copyright (c) 1995 Regents of the University of Michigan.
5 * Redistribution and use in source and binary forms are permitted
6 * provided that this notice is preserved and that due credit is given
7 * to the University of Michigan at Ann Arbor. The name of the University
8 * may not be used to endorse or promote products derived from this
9 * software without specific prior written permission. This software
10 * is provided ``as is'' without express or implied warranty.
16 #include <sys/types.h>
17 #include <sys/socket.h>
20 extern Backend *select_backend();
22 extern char *default_referral;
35 Debug( LDAP_DEBUG_TRACE, "do_compare\n", 0, 0, 0 );
38 * Parse the compare request. It looks like this:
40 * CompareRequest := [APPLICATION 14] SEQUENCE {
41 * entry DistinguishedName,
44 * value AttributeValue
49 if ( ber_scanf( op->o_ber, "{a{ao}}", &dn, &ava.ava_type,
50 &ava.ava_value ) == LBER_ERROR ) {
51 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
52 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
55 value_normalize( ava.ava_value.bv_val, attr_syntax( ava.ava_type ) );
58 Debug( LDAP_DEBUG_ARGS, "do_compare: dn (%s) attr (%s) value (%s)\n",
59 dn, ava.ava_type, ava.ava_value.bv_val );
61 Statslog( LDAP_DEBUG_STATS, "conn=%d op=%d CMP dn=\"%s\" attr=\"%s\"\n",
62 conn->c_connid, op->o_opid, dn, ava.ava_type, 0 );
65 * We could be serving multiple database backends. Select the
66 * appropriate one, or send a referral to our "referral server"
67 * if we don't hold it.
69 if ( (be = select_backend( dn )) == NULL ) {
73 send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
78 if ( be->be_compare != NULL ) {
79 (*be->be_compare)( be, conn, op, dn, &ava );
81 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
82 "Function not implemented" );