1/*	$NetBSD: protocol.c,v 1.3 2021/08/14 16:14:52 christos Exp $	*/
2
3/* protocol.c - network protocol lookup routines */
4/* $OpenLDAP$ */
5/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 2008-2021 The OpenLDAP Foundation.
8 * Portions Copyright 2008 by Howard Chu, Symas Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted only as authorized by the OpenLDAP
13 * Public License.
14 *
15 * A copy of this license is available in the file LICENSE in the
16 * top-level directory of the distribution or, alternatively, at
17 * <http://www.OpenLDAP.org/license.html>.
18 */
19/*
20 * ACKNOWLEDGEMENTS:
21 * This code references portions of the nss-ldapd package
22 * written by Arthur de Jong. The nss-ldapd code was forked
23 * from the nss-ldap library written by Luke Howard.
24 */
25
26#include "nssov.h"
27
28/* ( nisSchema.2.4 NAME 'ipProtocol' SUP top STRUCTURAL
29 *   DESC 'Abstraction of an IP protocol. Maps a protocol number
30 *         to one or more names. The distinguished value of the cn
31 *         attribute denotes the protocol's canonical name'
32 *   MUST ( cn $ ipProtocolNumber )
33 *    MAY description )
34 */
35
36/* the basic search filter for searches */
37static struct berval protocol_filter = BER_BVC("(objectClass=ipProtocol)");
38
39/* the attributes used in searches */
40static struct berval protocol_keys[] = {
41	BER_BVC("cn"),
42	BER_BVC("ipProtocolNumber"),
43	BER_BVNULL
44};
45
46NSSOV_INIT(protocol)
47
48NSSOV_CBPRIV(protocol,
49	char buf[256];
50	struct berval name;
51	struct berval numb;);
52
53static int write_protocol(nssov_protocol_cbp *cbp,Entry *entry)
54{
55	int32_t tmpint32;
56	int i,numname,dupname,proto;
57	struct berval name,*names;
58	Attribute *a;
59	char *tmp;
60
61	/* get the most canonical name */
62	nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name );
63	/* get the other names for the protocol */
64	a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc );
65	if ( !a || !a->a_vals )
66	{
67		Debug(LDAP_DEBUG_ANY,"protocol entry %s does not contain %s value\n",
68			entry->e_name.bv_val, cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val );
69		return 0;
70	}
71	names = a->a_vals;
72	numname = a->a_numvals;
73	/* if the name is not yet found, get the first entry from names */
74	if (BER_BVISNULL(&name)) {
75		name=names[0];
76		dupname = 0;
77	} else {
78		dupname = -1;
79		for (i=0; i<numname; i++) {
80			if ( bvmatch(&name, &a->a_nvals[i])) {
81				dupname = i;
82				break;
83			}
84		}
85	}
86	/* get the protocol number */
87	a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc );
88	if ( !a || !a->a_vals )
89	{
90		Debug(LDAP_DEBUG_ANY,"protocol entry %s does not contain %s value\n",
91			entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val );
92		return 0;
93	} else if ( a->a_numvals > 1 ) {
94		Debug(LDAP_DEBUG_ANY,"protocol entry %s contains multiple %s values\n",
95			entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val );
96	}
97	proto=(int)strtol(a->a_vals[0].bv_val,&tmp,0);
98	if (*tmp)
99	{
100		Debug(LDAP_DEBUG_ANY,"protocol entry %s contains non-numeric %s value\n",
101			entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val );
102		return 0;
103	}
104	/* write the entry */
105	WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
106	WRITE_BERVAL(cbp->fp,&name);
107	if ( dupname >= 0 ) {
108		WRITE_INT32(cbp->fp,numname-1);
109	} else {
110		WRITE_INT32(cbp->fp,numname);
111	}
112	for (i=0;i<numname;i++) {
113		if (i == dupname) continue;
114		WRITE_BERVAL(cbp->fp,&names[i]);
115	}
116	WRITE_INT32(cbp->fp,proto);
117	return 0;
118}
119
120NSSOV_CB(protocol)
121
122NSSOV_HANDLE(
123	protocol,byname,
124	char fbuf[1024];
125	struct berval filter = {sizeof(fbuf)};
126	filter.bv_val = fbuf;
127	BER_BVZERO(&cbp.numb);
128	READ_STRING(fp,cbp.buf);
129	cbp.name.bv_len = tmpint32;
130	cbp.name.bv_val = cbp.buf;,
131	Debug(LDAP_DEBUG_TRACE,"nssov_protocol_byname(%s)\n",cbp.name.bv_val);,
132	NSLCD_ACTION_PROTOCOL_BYNAME,
133	nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
134)
135
136NSSOV_HANDLE(
137	protocol,bynumber,
138	int protocol;
139	char fbuf[1024];
140	struct berval filter = {sizeof(fbuf)};
141	filter.bv_val = fbuf;
142	READ_INT32(fp,protocol);
143	cbp.numb.bv_val = cbp.buf;
144	cbp.numb.bv_len = snprintf(cbp.buf,sizeof(cbp.buf),"%d",protocol);
145	BER_BVZERO(&cbp.name);,
146	Debug(LDAP_DEBUG_TRACE,"nssov_protocol_bynumber(%s)\n",cbp.numb.bv_val);,
147	NSLCD_ACTION_PROTOCOL_BYNUMBER,
148	nssov_filter_byid(cbp.mi,1,&cbp.numb,&filter)
149)
150
151NSSOV_HANDLE(
152	protocol,all,
153	struct berval filter;
154	/* no parameters to read */,
155	Debug(LDAP_DEBUG_TRACE,"nssov_protocol_all()\n");,
156	NSLCD_ACTION_PROTOCOL_ALL,
157	(filter=cbp.mi->mi_filter,0)
158)
159