1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1999 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*
30 * DAAdvert functionality. For all normal UA calls, libslp queries
31 * slpd for available DAs. This file contains functionality to handle
32 * DAAdverts explicitly requested by a call to SLPFindSrvs()
33 * or SLPFindAttrs() with service-type = "service:directory-agent".
34 */
35
36#include <stdio.h>
37#include <slp-internal.h>
38
39SLPError slp_unpackDAAdvert(char *reply, char **surl, char **scopes,
40				char **attrs, char **spis, SLPError *errCode) {
41	unsigned short protoErrCode, dummy;
42	size_t len, off;
43	SLPError err = SLP_OK;
44	/* authentication components */
45	struct iovec iov[5];
46	size_t tmp_off;
47	int auth_cnt;
48	size_t abLen = 0;
49
50	*surl = *scopes = *attrs = *spis = NULL;
51
52	len = slp_get_length(reply);
53	off = SLP_HDRLEN + slp_get_langlen(reply);
54	/* err code */
55	if ((err = slp_get_sht(reply, len, &off, &protoErrCode)) != SLP_OK)
56		goto fail;
57	/* internal errors should have been filtered out by the net code */
58	*errCode = slp_map_err(protoErrCode);
59	if (*errCode != SLP_OK) {
60		return (SLP_OK);
61	}
62
63	/* skip timestamp (4 bytes) */
64	iov[0].iov_base = reply + off;
65	tmp_off = off;
66	if ((err = slp_get_sht(reply, len, &off, &dummy)) != SLP_OK) {
67		goto fail;
68	}
69	if ((err = slp_get_sht(reply, len, &off, &dummy)) != SLP_OK) {
70		goto fail;
71	}
72	iov[0].iov_len = off - tmp_off;
73
74	/* service URL */
75	iov[1].iov_base = reply + off;
76	tmp_off = off;
77	if ((err = slp_get_string(reply, len, &off, surl)) != SLP_OK) {
78		goto fail;
79	}
80	iov[1].iov_len = off - tmp_off;
81
82	/* scopes */
83	iov[3].iov_base = reply + off;
84	tmp_off = off;
85	if ((err = slp_get_string(reply, len, &off, scopes)) != SLP_OK) {
86		goto fail;
87	}
88	iov[3].iov_len = off - tmp_off;
89
90	/* attributes */
91	iov[2].iov_base = reply + off;
92	tmp_off = off;
93	if ((err = slp_get_string(reply, len, &off, attrs)) != SLP_OK) {
94		goto fail;
95	}
96	iov[2].iov_len = off - tmp_off;
97
98	/* SPIs */
99	iov[4].iov_base = reply + off;
100	tmp_off = off;
101	if ((err = slp_get_string(reply, len, &off, spis)) != SLP_OK) {
102		goto fail;
103	}
104	iov[4].iov_len = off - tmp_off;
105
106	/* auth blocks */
107	if ((err = slp_get_byte(reply, len, &off, &auth_cnt)) != SLP_OK) {
108	    goto fail;
109	}
110	if (slp_get_security_on() || auth_cnt > 0) {
111	    if ((err = slp_verify(iov, 5,
112				    reply + off,
113				    len - off,
114				    auth_cnt,
115				    &abLen)) != SLP_OK) {
116		goto fail;
117	    }
118	}
119
120	return (SLP_OK);
121
122fail:
123	if (*surl) free (*surl);
124	if (*scopes) free (*scopes);
125	if (*attrs) free (*attrs);
126	if (*spis) free (*spis);
127
128	return (err);
129}
130