1/*	$NetBSD: result.c,v 1.3 2021/08/14 16:15:01 christos Exp $	*/
2
3/* result.c - sock backend result reading function */
4/* $OpenLDAP$ */
5/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 2007-2021 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: result.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/errno.h>
31#include <ac/string.h>
32#include <ac/socket.h>
33#include <ac/unistd.h>
34
35#include "slap.h"
36#include "back-sock.h"
37
38/*
39 * FIXME: make a RESULT section compulsory from the socket response.
40 * Otherwise, a partial/aborted response is treated as 'success'.
41 * This is a divergence from the back-shell protocol, but makes things
42 * more robust.
43 */
44
45int
46sock_read_and_send_results(
47    Operation	*op,
48    SlapReply	*rs,
49    FILE	*fp )
50{
51	int	bsize, len;
52	char	*buf, *bp;
53	char	line[BUFSIZ];
54	char	ebuf[128];
55
56	(void) fflush(fp);
57	/* read in the result and send it along */
58	buf = (char *) ch_malloc( BUFSIZ );
59	buf[0] = '\0';
60	bsize = BUFSIZ;
61	bp = buf;
62	while ( !feof(fp) ) {
63		errno = 0;
64		if ( fgets( line, sizeof(line), fp ) == NULL ) {
65			int saved_errno = errno;
66			if ( errno == EINTR ) continue;
67
68			Debug( LDAP_DEBUG_ANY, "sock: fgets failed: %s (%d)\n",
69				AC_STRERROR_R(saved_errno, ebuf, sizeof ebuf), saved_errno );
70			break;
71		}
72
73		Debug( LDAP_DEBUG_SHELL, "sock search reading line (%s)\n",
74		    line );
75
76		/* ignore lines beginning with # (LDIFv1 comments) */
77		if ( *line == '#' ) {
78			continue;
79		}
80
81		/* ignore lines beginning with DEBUG: */
82		if ( strncasecmp( line, "DEBUG:", 6 ) == 0 ) {
83			continue;
84		}
85
86		if ( strncasecmp( line, "CONTINUE", 8 ) == 0 ) {
87			struct sockinfo	*si = (struct sockinfo *) op->o_bd->be_private;
88			/* Only valid when operating as an overlay! */
89			assert( si->si_ops != 0 );
90			rs->sr_err = SLAP_CB_CONTINUE;
91			goto skip;
92		}
93
94		len = strlen( line );
95		while ( bp + len + 1 - buf > bsize ) {
96			size_t offset = bp - buf;
97			bsize += BUFSIZ;
98			buf = (char *) ch_realloc( buf, bsize );
99			bp = &buf[offset];
100		}
101		strcpy( bp, line );
102		bp += len;
103
104		/* line marked the end of an entry or result */
105		if ( *line == '\n' ) {
106			if ( strncasecmp( buf, "RESULT", 6 ) == 0 ) {
107				break;
108			}
109
110			if ( (rs->sr_entry = str2entry( buf )) == NULL ) {
111				Debug( LDAP_DEBUG_ANY, "str2entry(%s) failed\n",
112				    buf );
113			} else {
114				rs->sr_attrs = op->oq_search.rs_attrs;
115				rs->sr_flags = REP_ENTRY_MODIFIABLE;
116				send_search_entry( op, rs );
117				entry_free( rs->sr_entry );
118				rs->sr_attrs = NULL;
119			}
120
121			bp = buf;
122		}
123	}
124	(void) str2result( buf, &rs->sr_err, (char **)&rs->sr_matched, (char **)&rs->sr_text );
125
126	/* otherwise, front end will send this result */
127	if ( rs->sr_err != 0 || op->o_tag != LDAP_REQ_BIND ) {
128		send_ldap_result( op, rs );
129	}
130
131skip:
132	ch_free( buf );
133
134	return( rs->sr_err );
135}
136
137void
138sock_print_suffixes(
139    FILE	*fp,
140    Backend	*be
141)
142{
143	int	i;
144
145	for ( i = 0; be->be_suffix[i].bv_val != NULL; i++ ) {
146		fprintf( fp, "suffix: %s\n", be->be_suffix[i].bv_val );
147	}
148}
149
150void
151sock_print_conn(
152    FILE	*fp,
153    Connection	*conn,
154    struct sockinfo *si
155)
156{
157	if ( conn == NULL ) return;
158
159	if( si->si_extensions & SOCK_EXT_BINDDN ) {
160		fprintf( fp, "binddn: %s\n",
161			conn->c_dn.bv_len ? conn->c_dn.bv_val : "" );
162	}
163	if( si->si_extensions & SOCK_EXT_PEERNAME ) {
164		fprintf( fp, "peername: %s\n",
165			conn->c_peer_name.bv_len ? conn->c_peer_name.bv_val : "" );
166	}
167	if( si->si_extensions & SOCK_EXT_SSF ) {
168		fprintf( fp, "ssf: %d\n", conn->c_ssf );
169	}
170	if( si->si_extensions & SOCK_EXT_CONNID ) {
171		fprintf( fp, "connid: %lu\n", conn->c_connid );
172	}
173}
174