1411677aeSAaron LI /*
2411677aeSAaron LI * Copyright (c) 2016 Antonin Décimo, Jean-Raphaël Gaglione
3411677aeSAaron LI *
4411677aeSAaron LI * Redistribution and use in source and binary forms, with or without
5411677aeSAaron LI * modification, are permitted provided that the following conditions
6411677aeSAaron LI * are met:
7411677aeSAaron LI * 1. Redistributions of source code must retain the above copyright
8411677aeSAaron LI * notice, this list of conditions and the following disclaimer.
9411677aeSAaron LI * 2. Redistributions in binary form must reproduce the above copyright
10411677aeSAaron LI * notice, this list of conditions and the following disclaimer in the
11411677aeSAaron LI * documentation and/or other materials provided with the distribution.
12411677aeSAaron LI * 3. Neither the name of the project nor the names of its contributors
13411677aeSAaron LI * may be used to endorse or promote products derived from this software
14411677aeSAaron LI * without specific prior written permission.
15411677aeSAaron LI *
16411677aeSAaron LI * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
17411677aeSAaron LI * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18411677aeSAaron LI * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19411677aeSAaron LI * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
20411677aeSAaron LI * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21411677aeSAaron LI * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22411677aeSAaron LI * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23411677aeSAaron LI * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24411677aeSAaron LI * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25411677aeSAaron LI * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26411677aeSAaron LI * SUCH DAMAGE.
27411677aeSAaron LI */
28411677aeSAaron LI
29411677aeSAaron LI /* \summary: Home Networking Control Protocol (HNCP) printer */
30411677aeSAaron LI
31411677aeSAaron LI #ifdef HAVE_CONFIG_H
32*ed775ee7SAntonio Huete Jimenez #include <config.h>
33411677aeSAaron LI #endif
34411677aeSAaron LI
35*ed775ee7SAntonio Huete Jimenez #include "netdissect-stdinc.h"
36411677aeSAaron LI
37411677aeSAaron LI #include <string.h>
38411677aeSAaron LI
39411677aeSAaron LI #include "netdissect.h"
40411677aeSAaron LI #include "addrtoname.h"
41411677aeSAaron LI #include "extract.h"
42411677aeSAaron LI
43411677aeSAaron LI static void
44411677aeSAaron LI hncp_print_rec(netdissect_options *ndo,
45411677aeSAaron LI const u_char *cp, u_int length, int indent);
46411677aeSAaron LI
47411677aeSAaron LI void
hncp_print(netdissect_options * ndo,const u_char * cp,u_int length)48411677aeSAaron LI hncp_print(netdissect_options *ndo,
49411677aeSAaron LI const u_char *cp, u_int length)
50411677aeSAaron LI {
51*ed775ee7SAntonio Huete Jimenez ndo->ndo_protocol = "hncp";
52*ed775ee7SAntonio Huete Jimenez ND_PRINT("hncp (%u)", length);
53411677aeSAaron LI hncp_print_rec(ndo, cp, length, 1);
54411677aeSAaron LI }
55411677aeSAaron LI
56411677aeSAaron LI /* RFC7787 */
57411677aeSAaron LI #define DNCP_REQUEST_NETWORK_STATE 1
58411677aeSAaron LI #define DNCP_REQUEST_NODE_STATE 2
59411677aeSAaron LI #define DNCP_NODE_ENDPOINT 3
60411677aeSAaron LI #define DNCP_NETWORK_STATE 4
61411677aeSAaron LI #define DNCP_NODE_STATE 5
62411677aeSAaron LI #define DNCP_PEER 8
63411677aeSAaron LI #define DNCP_KEEP_ALIVE_INTERVAL 9
64411677aeSAaron LI #define DNCP_TRUST_VERDICT 10
65411677aeSAaron LI
66411677aeSAaron LI /* RFC7788 */
67411677aeSAaron LI #define HNCP_HNCP_VERSION 32
68411677aeSAaron LI #define HNCP_EXTERNAL_CONNECTION 33
69411677aeSAaron LI #define HNCP_DELEGATED_PREFIX 34
70411677aeSAaron LI #define HNCP_PREFIX_POLICY 43
71411677aeSAaron LI #define HNCP_DHCPV4_DATA 37 /* This is correct, see RFC 7788 Errata ID 5113. */
72411677aeSAaron LI #define HNCP_DHCPV6_DATA 38 /* idem */
73411677aeSAaron LI #define HNCP_ASSIGNED_PREFIX 35
74411677aeSAaron LI #define HNCP_NODE_ADDRESS 36
75411677aeSAaron LI #define HNCP_DNS_DELEGATED_ZONE 39
76411677aeSAaron LI #define HNCP_DOMAIN_NAME 40
77411677aeSAaron LI #define HNCP_NODE_NAME 41
78411677aeSAaron LI #define HNCP_MANAGED_PSK 42
79411677aeSAaron LI
80411677aeSAaron LI /* See type_mask in hncp_print_rec below */
81411677aeSAaron LI #define RANGE_DNCP_RESERVED 0x10000
82411677aeSAaron LI #define RANGE_HNCP_UNASSIGNED 0x10001
83411677aeSAaron LI #define RANGE_DNCP_PRIVATE_USE 0x10002
84411677aeSAaron LI #define RANGE_DNCP_FUTURE_USE 0x10003
85411677aeSAaron LI
86411677aeSAaron LI static const struct tok type_values[] = {
87411677aeSAaron LI { DNCP_REQUEST_NETWORK_STATE, "Request network state" },
88411677aeSAaron LI { DNCP_REQUEST_NODE_STATE, "Request node state" },
89411677aeSAaron LI { DNCP_NODE_ENDPOINT, "Node endpoint" },
90411677aeSAaron LI { DNCP_NETWORK_STATE, "Network state" },
91411677aeSAaron LI { DNCP_NODE_STATE, "Node state" },
92411677aeSAaron LI { DNCP_PEER, "Peer" },
93411677aeSAaron LI { DNCP_KEEP_ALIVE_INTERVAL, "Keep-alive interval" },
94411677aeSAaron LI { DNCP_TRUST_VERDICT, "Trust-Verdict" },
95411677aeSAaron LI
96411677aeSAaron LI { HNCP_HNCP_VERSION, "HNCP-Version" },
97411677aeSAaron LI { HNCP_EXTERNAL_CONNECTION, "External-Connection" },
98411677aeSAaron LI { HNCP_DELEGATED_PREFIX, "Delegated-Prefix" },
99411677aeSAaron LI { HNCP_PREFIX_POLICY, "Prefix-Policy" },
100411677aeSAaron LI { HNCP_DHCPV4_DATA, "DHCPv4-Data" },
101411677aeSAaron LI { HNCP_DHCPV6_DATA, "DHCPv6-Data" },
102411677aeSAaron LI { HNCP_ASSIGNED_PREFIX, "Assigned-Prefix" },
103411677aeSAaron LI { HNCP_NODE_ADDRESS, "Node-Address" },
104411677aeSAaron LI { HNCP_DNS_DELEGATED_ZONE, "DNS-Delegated-Zone" },
105411677aeSAaron LI { HNCP_DOMAIN_NAME, "Domain-Name" },
106411677aeSAaron LI { HNCP_NODE_NAME, "Node-Name" },
107411677aeSAaron LI { HNCP_MANAGED_PSK, "Managed-PSK" },
108411677aeSAaron LI
109411677aeSAaron LI { RANGE_DNCP_RESERVED, "Reserved" },
110411677aeSAaron LI { RANGE_HNCP_UNASSIGNED, "Unassigned" },
111411677aeSAaron LI { RANGE_DNCP_PRIVATE_USE, "Private use" },
112411677aeSAaron LI { RANGE_DNCP_FUTURE_USE, "Future use" },
113411677aeSAaron LI
114411677aeSAaron LI { 0, NULL}
115411677aeSAaron LI };
116411677aeSAaron LI
117411677aeSAaron LI #define DH4OPT_DNS_SERVERS 6 /* RFC2132 */
118411677aeSAaron LI #define DH4OPT_NTP_SERVERS 42 /* RFC2132 */
119411677aeSAaron LI #define DH4OPT_DOMAIN_SEARCH 119 /* RFC3397 */
120411677aeSAaron LI
121411677aeSAaron LI static const struct tok dh4opt_str[] = {
122411677aeSAaron LI { DH4OPT_DNS_SERVERS, "DNS-server" },
123411677aeSAaron LI { DH4OPT_NTP_SERVERS, "NTP-server"},
124411677aeSAaron LI { DH4OPT_DOMAIN_SEARCH, "DNS-search" },
125411677aeSAaron LI { 0, NULL }
126411677aeSAaron LI };
127411677aeSAaron LI
128411677aeSAaron LI #define DH6OPT_DNS_SERVERS 23 /* RFC3646 */
129411677aeSAaron LI #define DH6OPT_DOMAIN_LIST 24 /* RFC3646 */
130411677aeSAaron LI #define DH6OPT_SNTP_SERVERS 31 /* RFC4075 */
131411677aeSAaron LI
132411677aeSAaron LI static const struct tok dh6opt_str[] = {
133411677aeSAaron LI { DH6OPT_DNS_SERVERS, "DNS-server" },
134411677aeSAaron LI { DH6OPT_DOMAIN_LIST, "DNS-search-list" },
135411677aeSAaron LI { DH6OPT_SNTP_SERVERS, "SNTP-servers" },
136411677aeSAaron LI { 0, NULL }
137411677aeSAaron LI };
138411677aeSAaron LI
139411677aeSAaron LI /*
140411677aeSAaron LI * For IPv4-mapped IPv6 addresses, length of the prefix that precedes
141411677aeSAaron LI * the 4 bytes of IPv4 address at the end of the IPv6 address.
142411677aeSAaron LI */
143411677aeSAaron LI #define IPV4_MAPPED_HEADING_LEN 12
144411677aeSAaron LI
145411677aeSAaron LI /*
146411677aeSAaron LI * Is an IPv6 address an IPv4-mapped address?
147411677aeSAaron LI */
148*ed775ee7SAntonio Huete Jimenez static int
is_ipv4_mapped_address(const u_char * addr)149411677aeSAaron LI is_ipv4_mapped_address(const u_char *addr)
150411677aeSAaron LI {
151411677aeSAaron LI /* The value of the prefix */
152411677aeSAaron LI static const u_char ipv4_mapped_heading[IPV4_MAPPED_HEADING_LEN] =
153411677aeSAaron LI { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF };
154411677aeSAaron LI
155411677aeSAaron LI return memcmp(addr, ipv4_mapped_heading, IPV4_MAPPED_HEADING_LEN) == 0;
156411677aeSAaron LI }
157411677aeSAaron LI
158411677aeSAaron LI static const char *
format_nid(netdissect_options * ndo,const u_char * data)159*ed775ee7SAntonio Huete Jimenez format_nid(netdissect_options *ndo, const u_char *data)
160411677aeSAaron LI {
161411677aeSAaron LI static char buf[4][sizeof("01:01:01:01")];
162411677aeSAaron LI static int i = 0;
163411677aeSAaron LI i = (i + 1) % 4;
164411677aeSAaron LI snprintf(buf[i], sizeof(buf[i]), "%02x:%02x:%02x:%02x",
165*ed775ee7SAntonio Huete Jimenez GET_U_1(data), GET_U_1(data + 1), GET_U_1(data + 2),
166*ed775ee7SAntonio Huete Jimenez GET_U_1(data + 3));
167411677aeSAaron LI return buf[i];
168411677aeSAaron LI }
169411677aeSAaron LI
170411677aeSAaron LI static const char *
format_256(netdissect_options * ndo,const u_char * data)171*ed775ee7SAntonio Huete Jimenez format_256(netdissect_options *ndo, const u_char *data)
172411677aeSAaron LI {
173411677aeSAaron LI static char buf[4][sizeof("0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")];
174411677aeSAaron LI static int i = 0;
175411677aeSAaron LI i = (i + 1) % 4;
176411677aeSAaron LI snprintf(buf[i], sizeof(buf[i]), "%016" PRIx64 "%016" PRIx64 "%016" PRIx64 "%016" PRIx64,
177*ed775ee7SAntonio Huete Jimenez GET_BE_U_8(data),
178*ed775ee7SAntonio Huete Jimenez GET_BE_U_8(data + 8),
179*ed775ee7SAntonio Huete Jimenez GET_BE_U_8(data + 16),
180*ed775ee7SAntonio Huete Jimenez GET_BE_U_8(data + 24)
181411677aeSAaron LI );
182411677aeSAaron LI return buf[i];
183411677aeSAaron LI }
184411677aeSAaron LI
185411677aeSAaron LI static const char *
format_interval(const uint32_t n)186411677aeSAaron LI format_interval(const uint32_t n)
187411677aeSAaron LI {
188411677aeSAaron LI static char buf[4][sizeof("0000000.000s")];
189411677aeSAaron LI static int i = 0;
190411677aeSAaron LI i = (i + 1) % 4;
191411677aeSAaron LI snprintf(buf[i], sizeof(buf[i]), "%u.%03us", n / 1000, n % 1000);
192411677aeSAaron LI return buf[i];
193411677aeSAaron LI }
194411677aeSAaron LI
195411677aeSAaron LI static const char *
format_ip6addr(netdissect_options * ndo,const u_char * cp)196411677aeSAaron LI format_ip6addr(netdissect_options *ndo, const u_char *cp)
197411677aeSAaron LI {
198411677aeSAaron LI if (is_ipv4_mapped_address(cp))
199*ed775ee7SAntonio Huete Jimenez return GET_IPADDR_STRING(cp + IPV4_MAPPED_HEADING_LEN);
200411677aeSAaron LI else
201*ed775ee7SAntonio Huete Jimenez return GET_IP6ADDR_STRING(cp);
202411677aeSAaron LI }
203411677aeSAaron LI
204411677aeSAaron LI static int
print_prefix(netdissect_options * ndo,const u_char * prefix,u_int max_length)205411677aeSAaron LI print_prefix(netdissect_options *ndo, const u_char *prefix, u_int max_length)
206411677aeSAaron LI {
207411677aeSAaron LI int plenbytes;
208411677aeSAaron LI char buf[sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx::/128")];
209411677aeSAaron LI
210*ed775ee7SAntonio Huete Jimenez if (GET_U_1(prefix) >= 96 && max_length >= IPV4_MAPPED_HEADING_LEN + 1 &&
211*ed775ee7SAntonio Huete Jimenez is_ipv4_mapped_address(prefix + 1)) {
212*ed775ee7SAntonio Huete Jimenez nd_ipv4 addr;
213411677aeSAaron LI u_int plen;
214411677aeSAaron LI
215*ed775ee7SAntonio Huete Jimenez plen = GET_U_1(prefix) - 96;
216411677aeSAaron LI if (32 < plen)
217411677aeSAaron LI return -1;
218411677aeSAaron LI max_length -= 1;
219411677aeSAaron LI
220411677aeSAaron LI memset(&addr, 0, sizeof(addr));
221411677aeSAaron LI plenbytes = (plen + 7) / 8;
222411677aeSAaron LI if (max_length < (u_int)plenbytes + IPV4_MAPPED_HEADING_LEN)
223411677aeSAaron LI return -3;
224*ed775ee7SAntonio Huete Jimenez memcpy(&addr, prefix + IPV4_MAPPED_HEADING_LEN + 1, plenbytes);
225411677aeSAaron LI if (plen % 8) {
226411677aeSAaron LI ((u_char *)&addr)[plenbytes - 1] &=
227411677aeSAaron LI ((0xff00 >> (plen % 8)) & 0xff);
228411677aeSAaron LI }
229*ed775ee7SAntonio Huete Jimenez snprintf(buf, sizeof(buf), "%s/%u", ipaddr_string(ndo, (const u_char *)&addr), plen);
230411677aeSAaron LI plenbytes += 1 + IPV4_MAPPED_HEADING_LEN;
231411677aeSAaron LI } else {
232411677aeSAaron LI plenbytes = decode_prefix6(ndo, prefix, max_length, buf, sizeof(buf));
233411677aeSAaron LI if (plenbytes < 0)
234411677aeSAaron LI return plenbytes;
235411677aeSAaron LI }
236411677aeSAaron LI
237*ed775ee7SAntonio Huete Jimenez ND_PRINT("%s", buf);
238411677aeSAaron LI return plenbytes;
239411677aeSAaron LI }
240411677aeSAaron LI
241411677aeSAaron LI static int
print_dns_label(netdissect_options * ndo,const u_char * cp,u_int max_length,int print)242411677aeSAaron LI print_dns_label(netdissect_options *ndo,
243411677aeSAaron LI const u_char *cp, u_int max_length, int print)
244411677aeSAaron LI {
245411677aeSAaron LI u_int length = 0;
246411677aeSAaron LI while (length < max_length) {
247*ed775ee7SAntonio Huete Jimenez u_int lab_length = GET_U_1(cp + length);
248*ed775ee7SAntonio Huete Jimenez length++;
249411677aeSAaron LI if (lab_length == 0)
250411677aeSAaron LI return (int)length;
251411677aeSAaron LI if (length > 1 && print)
252*ed775ee7SAntonio Huete Jimenez ND_PRINT(".");
253411677aeSAaron LI if (length+lab_length > max_length) {
254411677aeSAaron LI if (print)
255*ed775ee7SAntonio Huete Jimenez nd_printjnp(ndo, cp+length, max_length-length);
256411677aeSAaron LI break;
257411677aeSAaron LI }
258411677aeSAaron LI if (print)
259*ed775ee7SAntonio Huete Jimenez nd_printjnp(ndo, cp+length, lab_length);
260411677aeSAaron LI length += lab_length;
261411677aeSAaron LI }
262411677aeSAaron LI if (print)
263*ed775ee7SAntonio Huete Jimenez ND_PRINT("[|DNS]");
264411677aeSAaron LI return -1;
265411677aeSAaron LI }
266411677aeSAaron LI
267411677aeSAaron LI static int
dhcpv4_print(netdissect_options * ndo,const u_char * cp,u_int length,int indent)268411677aeSAaron LI dhcpv4_print(netdissect_options *ndo,
269411677aeSAaron LI const u_char *cp, u_int length, int indent)
270411677aeSAaron LI {
271411677aeSAaron LI u_int i, t;
272*ed775ee7SAntonio Huete Jimenez const uint8_t *tlv, *value;
273411677aeSAaron LI uint8_t type, optlen;
274411677aeSAaron LI
275411677aeSAaron LI i = 0;
276411677aeSAaron LI while (i < length) {
277411677aeSAaron LI if (i + 2 > length)
278411677aeSAaron LI return -1;
279411677aeSAaron LI tlv = cp + i;
280*ed775ee7SAntonio Huete Jimenez type = GET_U_1(tlv);
281*ed775ee7SAntonio Huete Jimenez optlen = GET_U_1(tlv + 1);
282411677aeSAaron LI value = tlv + 2;
283411677aeSAaron LI
284*ed775ee7SAntonio Huete Jimenez ND_PRINT("\n");
285411677aeSAaron LI for (t = indent; t > 0; t--)
286*ed775ee7SAntonio Huete Jimenez ND_PRINT("\t");
287411677aeSAaron LI
288*ed775ee7SAntonio Huete Jimenez ND_PRINT("%s", tok2str(dh4opt_str, "Unknown", type));
289*ed775ee7SAntonio Huete Jimenez ND_PRINT(" (%u)", optlen + 2 );
290411677aeSAaron LI if (i + 2 + optlen > length)
291411677aeSAaron LI return -1;
292411677aeSAaron LI
293411677aeSAaron LI switch (type) {
294411677aeSAaron LI case DH4OPT_DNS_SERVERS:
295411677aeSAaron LI case DH4OPT_NTP_SERVERS: {
296411677aeSAaron LI if (optlen < 4 || optlen % 4 != 0) {
297411677aeSAaron LI return -1;
298411677aeSAaron LI }
299411677aeSAaron LI for (t = 0; t < optlen; t += 4)
300*ed775ee7SAntonio Huete Jimenez ND_PRINT(" %s", GET_IPADDR_STRING(value + t));
301411677aeSAaron LI }
302411677aeSAaron LI break;
303411677aeSAaron LI case DH4OPT_DOMAIN_SEARCH: {
304411677aeSAaron LI const u_char *tp = value;
305411677aeSAaron LI while (tp < value + optlen) {
306*ed775ee7SAntonio Huete Jimenez ND_PRINT(" ");
307*ed775ee7SAntonio Huete Jimenez if ((tp = fqdn_print(ndo, tp, value + optlen)) == NULL)
308411677aeSAaron LI return -1;
309411677aeSAaron LI }
310411677aeSAaron LI }
311411677aeSAaron LI break;
312411677aeSAaron LI }
313411677aeSAaron LI
314411677aeSAaron LI i += 2 + optlen;
315411677aeSAaron LI }
316411677aeSAaron LI return 0;
317411677aeSAaron LI }
318411677aeSAaron LI
319411677aeSAaron LI static int
dhcpv6_print(netdissect_options * ndo,const u_char * cp,u_int length,int indent)320411677aeSAaron LI dhcpv6_print(netdissect_options *ndo,
321411677aeSAaron LI const u_char *cp, u_int length, int indent)
322411677aeSAaron LI {
323411677aeSAaron LI u_int i, t;
324411677aeSAaron LI const u_char *tlv, *value;
325411677aeSAaron LI uint16_t type, optlen;
326411677aeSAaron LI
327411677aeSAaron LI i = 0;
328411677aeSAaron LI while (i < length) {
329411677aeSAaron LI if (i + 4 > length)
330411677aeSAaron LI return -1;
331411677aeSAaron LI tlv = cp + i;
332*ed775ee7SAntonio Huete Jimenez type = GET_BE_U_2(tlv);
333*ed775ee7SAntonio Huete Jimenez optlen = GET_BE_U_2(tlv + 2);
334411677aeSAaron LI value = tlv + 4;
335411677aeSAaron LI
336*ed775ee7SAntonio Huete Jimenez ND_PRINT("\n");
337411677aeSAaron LI for (t = indent; t > 0; t--)
338*ed775ee7SAntonio Huete Jimenez ND_PRINT("\t");
339411677aeSAaron LI
340*ed775ee7SAntonio Huete Jimenez ND_PRINT("%s", tok2str(dh6opt_str, "Unknown", type));
341*ed775ee7SAntonio Huete Jimenez ND_PRINT(" (%u)", optlen + 4 );
342411677aeSAaron LI if (i + 4 + optlen > length)
343411677aeSAaron LI return -1;
344411677aeSAaron LI
345411677aeSAaron LI switch (type) {
346411677aeSAaron LI case DH6OPT_DNS_SERVERS:
347411677aeSAaron LI case DH6OPT_SNTP_SERVERS: {
348411677aeSAaron LI if (optlen % 16 != 0) {
349*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
350411677aeSAaron LI return -1;
351411677aeSAaron LI }
352411677aeSAaron LI for (t = 0; t < optlen; t += 16)
353*ed775ee7SAntonio Huete Jimenez ND_PRINT(" %s", GET_IP6ADDR_STRING(value + t));
354411677aeSAaron LI }
355411677aeSAaron LI break;
356411677aeSAaron LI case DH6OPT_DOMAIN_LIST: {
357411677aeSAaron LI const u_char *tp = value;
358411677aeSAaron LI while (tp < value + optlen) {
359*ed775ee7SAntonio Huete Jimenez ND_PRINT(" ");
360*ed775ee7SAntonio Huete Jimenez if ((tp = fqdn_print(ndo, tp, value + optlen)) == NULL)
361411677aeSAaron LI return -1;
362411677aeSAaron LI }
363411677aeSAaron LI }
364411677aeSAaron LI break;
365411677aeSAaron LI }
366411677aeSAaron LI
367411677aeSAaron LI i += 4 + optlen;
368411677aeSAaron LI }
369411677aeSAaron LI return 0;
370411677aeSAaron LI }
371411677aeSAaron LI
372411677aeSAaron LI /* Determine in-line mode */
373411677aeSAaron LI static int
is_in_line(netdissect_options * ndo,int indent)374411677aeSAaron LI is_in_line(netdissect_options *ndo, int indent)
375411677aeSAaron LI {
376411677aeSAaron LI return indent - 1 >= ndo->ndo_vflag && ndo->ndo_vflag < 3;
377411677aeSAaron LI }
378411677aeSAaron LI
379411677aeSAaron LI static void
print_type_in_line(netdissect_options * ndo,uint32_t type,int count,int indent,int * first_one)380411677aeSAaron LI print_type_in_line(netdissect_options *ndo,
381411677aeSAaron LI uint32_t type, int count, int indent, int *first_one)
382411677aeSAaron LI {
383411677aeSAaron LI if (count > 0) {
384411677aeSAaron LI if (*first_one) {
385411677aeSAaron LI *first_one = 0;
386411677aeSAaron LI if (indent > 1) {
387411677aeSAaron LI u_int t;
388*ed775ee7SAntonio Huete Jimenez ND_PRINT("\n");
389411677aeSAaron LI for (t = indent; t > 0; t--)
390*ed775ee7SAntonio Huete Jimenez ND_PRINT("\t");
391411677aeSAaron LI } else {
392*ed775ee7SAntonio Huete Jimenez ND_PRINT(" ");
393411677aeSAaron LI }
394411677aeSAaron LI } else {
395*ed775ee7SAntonio Huete Jimenez ND_PRINT(", ");
396411677aeSAaron LI }
397*ed775ee7SAntonio Huete Jimenez ND_PRINT("%s", tok2str(type_values, "Easter Egg", type));
398411677aeSAaron LI if (count > 1)
399*ed775ee7SAntonio Huete Jimenez ND_PRINT(" (x%d)", count);
400411677aeSAaron LI }
401411677aeSAaron LI }
402411677aeSAaron LI
403*ed775ee7SAntonio Huete Jimenez static void
hncp_print_rec(netdissect_options * ndo,const u_char * cp,u_int length,int indent)404411677aeSAaron LI hncp_print_rec(netdissect_options *ndo,
405411677aeSAaron LI const u_char *cp, u_int length, int indent)
406411677aeSAaron LI {
407411677aeSAaron LI const int in_line = is_in_line(ndo, indent);
408411677aeSAaron LI int first_one = 1;
409411677aeSAaron LI
410411677aeSAaron LI u_int i, t;
411411677aeSAaron LI
412411677aeSAaron LI uint32_t last_type_mask = 0xffffffffU;
413411677aeSAaron LI int last_type_count = -1;
414411677aeSAaron LI
415*ed775ee7SAntonio Huete Jimenez const uint8_t *tlv, *value;
416411677aeSAaron LI uint16_t type, bodylen;
417411677aeSAaron LI uint32_t type_mask;
418411677aeSAaron LI
419411677aeSAaron LI i = 0;
420411677aeSAaron LI while (i < length) {
421411677aeSAaron LI tlv = cp + i;
422411677aeSAaron LI
423411677aeSAaron LI if (!in_line) {
424*ed775ee7SAntonio Huete Jimenez ND_PRINT("\n");
425411677aeSAaron LI for (t = indent; t > 0; t--)
426*ed775ee7SAntonio Huete Jimenez ND_PRINT("\t");
427411677aeSAaron LI }
428411677aeSAaron LI
429*ed775ee7SAntonio Huete Jimenez ND_TCHECK_4(tlv);
430411677aeSAaron LI if (i + 4 > length)
431411677aeSAaron LI goto invalid;
432411677aeSAaron LI
433*ed775ee7SAntonio Huete Jimenez type = GET_BE_U_2(tlv);
434*ed775ee7SAntonio Huete Jimenez bodylen = GET_BE_U_2(tlv + 2);
435411677aeSAaron LI value = tlv + 4;
436*ed775ee7SAntonio Huete Jimenez ND_TCHECK_LEN(value, bodylen);
437411677aeSAaron LI if (i + bodylen + 4 > length)
438411677aeSAaron LI goto invalid;
439411677aeSAaron LI
440411677aeSAaron LI type_mask =
441411677aeSAaron LI (type == 0) ? RANGE_DNCP_RESERVED:
442411677aeSAaron LI (44 <= type && type <= 511) ? RANGE_HNCP_UNASSIGNED:
443411677aeSAaron LI (768 <= type && type <= 1023) ? RANGE_DNCP_PRIVATE_USE:
444411677aeSAaron LI RANGE_DNCP_FUTURE_USE;
445411677aeSAaron LI if (type == 6 || type == 7)
446411677aeSAaron LI type_mask = RANGE_DNCP_FUTURE_USE;
447411677aeSAaron LI
448411677aeSAaron LI /* defined types */
449411677aeSAaron LI {
450411677aeSAaron LI t = 0;
451411677aeSAaron LI while (1) {
452411677aeSAaron LI u_int key = type_values[t++].v;
453411677aeSAaron LI if (key > 0xffff)
454411677aeSAaron LI break;
455411677aeSAaron LI if (key == type) {
456411677aeSAaron LI type_mask = type;
457411677aeSAaron LI break;
458411677aeSAaron LI }
459411677aeSAaron LI }
460411677aeSAaron LI }
461411677aeSAaron LI
462411677aeSAaron LI if (in_line) {
463411677aeSAaron LI if (last_type_mask == type_mask) {
464411677aeSAaron LI last_type_count++;
465411677aeSAaron LI } else {
466411677aeSAaron LI print_type_in_line(ndo, last_type_mask, last_type_count, indent, &first_one);
467411677aeSAaron LI last_type_mask = type_mask;
468411677aeSAaron LI last_type_count = 1;
469411677aeSAaron LI }
470411677aeSAaron LI
471411677aeSAaron LI goto skip_multiline;
472411677aeSAaron LI }
473411677aeSAaron LI
474*ed775ee7SAntonio Huete Jimenez ND_PRINT("%s", tok2str(type_values, "Easter Egg (42)", type_mask) );
475411677aeSAaron LI if (type_mask > 0xffff)
476*ed775ee7SAntonio Huete Jimenez ND_PRINT(": type=%u", type );
477*ed775ee7SAntonio Huete Jimenez ND_PRINT(" (%u)", bodylen + 4 );
478411677aeSAaron LI
479411677aeSAaron LI switch (type_mask) {
480411677aeSAaron LI
481411677aeSAaron LI case DNCP_REQUEST_NETWORK_STATE: {
482411677aeSAaron LI if (bodylen != 0)
483*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
484411677aeSAaron LI }
485411677aeSAaron LI break;
486411677aeSAaron LI
487411677aeSAaron LI case DNCP_REQUEST_NODE_STATE: {
488411677aeSAaron LI const char *node_identifier;
489411677aeSAaron LI if (bodylen != 4) {
490*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
491411677aeSAaron LI break;
492411677aeSAaron LI }
493*ed775ee7SAntonio Huete Jimenez node_identifier = format_nid(ndo, value);
494*ed775ee7SAntonio Huete Jimenez ND_PRINT(" NID: %s", node_identifier);
495411677aeSAaron LI }
496411677aeSAaron LI break;
497411677aeSAaron LI
498411677aeSAaron LI case DNCP_NODE_ENDPOINT: {
499411677aeSAaron LI const char *node_identifier;
500411677aeSAaron LI uint32_t endpoint_identifier;
501411677aeSAaron LI if (bodylen != 8) {
502*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
503411677aeSAaron LI break;
504411677aeSAaron LI }
505*ed775ee7SAntonio Huete Jimenez node_identifier = format_nid(ndo, value);
506*ed775ee7SAntonio Huete Jimenez endpoint_identifier = GET_BE_U_4(value + 4);
507*ed775ee7SAntonio Huete Jimenez ND_PRINT(" NID: %s EPID: %08x",
508411677aeSAaron LI node_identifier,
509411677aeSAaron LI endpoint_identifier
510*ed775ee7SAntonio Huete Jimenez );
511411677aeSAaron LI }
512411677aeSAaron LI break;
513411677aeSAaron LI
514411677aeSAaron LI case DNCP_NETWORK_STATE: {
515411677aeSAaron LI uint64_t hash;
516411677aeSAaron LI if (bodylen != 8) {
517*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
518411677aeSAaron LI break;
519411677aeSAaron LI }
520*ed775ee7SAntonio Huete Jimenez hash = GET_BE_U_8(value);
521*ed775ee7SAntonio Huete Jimenez ND_PRINT(" hash: %016" PRIx64, hash);
522411677aeSAaron LI }
523411677aeSAaron LI break;
524411677aeSAaron LI
525411677aeSAaron LI case DNCP_NODE_STATE: {
526411677aeSAaron LI const char *node_identifier, *interval;
527411677aeSAaron LI uint32_t sequence_number;
528411677aeSAaron LI uint64_t hash;
529411677aeSAaron LI if (bodylen < 20) {
530*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
531411677aeSAaron LI break;
532411677aeSAaron LI }
533*ed775ee7SAntonio Huete Jimenez node_identifier = format_nid(ndo, value);
534*ed775ee7SAntonio Huete Jimenez sequence_number = GET_BE_U_4(value + 4);
535*ed775ee7SAntonio Huete Jimenez interval = format_interval(GET_BE_U_4(value + 8));
536*ed775ee7SAntonio Huete Jimenez hash = GET_BE_U_8(value + 12);
537*ed775ee7SAntonio Huete Jimenez ND_PRINT(" NID: %s seqno: %u %s hash: %016" PRIx64,
538411677aeSAaron LI node_identifier,
539411677aeSAaron LI sequence_number,
540411677aeSAaron LI interval,
541411677aeSAaron LI hash
542*ed775ee7SAntonio Huete Jimenez );
543411677aeSAaron LI hncp_print_rec(ndo, value+20, bodylen-20, indent+1);
544411677aeSAaron LI }
545411677aeSAaron LI break;
546411677aeSAaron LI
547411677aeSAaron LI case DNCP_PEER: {
548411677aeSAaron LI const char *peer_node_identifier;
549411677aeSAaron LI uint32_t peer_endpoint_identifier, endpoint_identifier;
550411677aeSAaron LI if (bodylen != 12) {
551*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
552411677aeSAaron LI break;
553411677aeSAaron LI }
554*ed775ee7SAntonio Huete Jimenez peer_node_identifier = format_nid(ndo, value);
555*ed775ee7SAntonio Huete Jimenez peer_endpoint_identifier = GET_BE_U_4(value + 4);
556*ed775ee7SAntonio Huete Jimenez endpoint_identifier = GET_BE_U_4(value + 8);
557*ed775ee7SAntonio Huete Jimenez ND_PRINT(" Peer-NID: %s Peer-EPID: %08x Local-EPID: %08x",
558411677aeSAaron LI peer_node_identifier,
559411677aeSAaron LI peer_endpoint_identifier,
560411677aeSAaron LI endpoint_identifier
561*ed775ee7SAntonio Huete Jimenez );
562411677aeSAaron LI }
563411677aeSAaron LI break;
564411677aeSAaron LI
565411677aeSAaron LI case DNCP_KEEP_ALIVE_INTERVAL: {
566411677aeSAaron LI uint32_t endpoint_identifier;
567411677aeSAaron LI const char *interval;
568411677aeSAaron LI if (bodylen < 8) {
569*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
570411677aeSAaron LI break;
571411677aeSAaron LI }
572*ed775ee7SAntonio Huete Jimenez endpoint_identifier = GET_BE_U_4(value);
573*ed775ee7SAntonio Huete Jimenez interval = format_interval(GET_BE_U_4(value + 4));
574*ed775ee7SAntonio Huete Jimenez ND_PRINT(" EPID: %08x Interval: %s",
575411677aeSAaron LI endpoint_identifier,
576411677aeSAaron LI interval
577*ed775ee7SAntonio Huete Jimenez );
578411677aeSAaron LI }
579411677aeSAaron LI break;
580411677aeSAaron LI
581411677aeSAaron LI case DNCP_TRUST_VERDICT: {
582411677aeSAaron LI if (bodylen <= 36) {
583*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
584411677aeSAaron LI break;
585411677aeSAaron LI }
586*ed775ee7SAntonio Huete Jimenez ND_PRINT(" Verdict: %u Fingerprint: %s Common Name: ",
587*ed775ee7SAntonio Huete Jimenez GET_U_1(value),
588*ed775ee7SAntonio Huete Jimenez format_256(ndo, value + 4));
589*ed775ee7SAntonio Huete Jimenez nd_printjnp(ndo, value + 36, bodylen - 36);
590411677aeSAaron LI }
591411677aeSAaron LI break;
592411677aeSAaron LI
593411677aeSAaron LI case HNCP_HNCP_VERSION: {
594411677aeSAaron LI uint16_t capabilities;
595411677aeSAaron LI uint8_t M, P, H, L;
596411677aeSAaron LI if (bodylen < 5) {
597*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
598411677aeSAaron LI break;
599411677aeSAaron LI }
600*ed775ee7SAntonio Huete Jimenez capabilities = GET_BE_U_2(value + 2);
601411677aeSAaron LI M = (uint8_t)((capabilities >> 12) & 0xf);
602411677aeSAaron LI P = (uint8_t)((capabilities >> 8) & 0xf);
603411677aeSAaron LI H = (uint8_t)((capabilities >> 4) & 0xf);
604411677aeSAaron LI L = (uint8_t)(capabilities & 0xf);
605*ed775ee7SAntonio Huete Jimenez ND_PRINT(" M: %u P: %u H: %u L: %u User-agent: ",
606411677aeSAaron LI M, P, H, L
607*ed775ee7SAntonio Huete Jimenez );
608*ed775ee7SAntonio Huete Jimenez nd_printjnp(ndo, value + 4, bodylen - 4);
609411677aeSAaron LI }
610411677aeSAaron LI break;
611411677aeSAaron LI
612411677aeSAaron LI case HNCP_EXTERNAL_CONNECTION: {
613411677aeSAaron LI /* Container TLV */
614411677aeSAaron LI hncp_print_rec(ndo, value, bodylen, indent+1);
615411677aeSAaron LI }
616411677aeSAaron LI break;
617411677aeSAaron LI
618411677aeSAaron LI case HNCP_DELEGATED_PREFIX: {
619411677aeSAaron LI int l;
620*ed775ee7SAntonio Huete Jimenez if (bodylen < 9 || bodylen < 9 + (GET_U_1(value + 8) + 7) / 8) {
621*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
622411677aeSAaron LI break;
623411677aeSAaron LI }
624*ed775ee7SAntonio Huete Jimenez ND_PRINT(" VLSO: %s PLSO: %s Prefix: ",
625*ed775ee7SAntonio Huete Jimenez format_interval(GET_BE_U_4(value)),
626*ed775ee7SAntonio Huete Jimenez format_interval(GET_BE_U_4(value + 4))
627*ed775ee7SAntonio Huete Jimenez );
628411677aeSAaron LI l = print_prefix(ndo, value + 8, bodylen - 8);
629411677aeSAaron LI if (l == -1) {
630*ed775ee7SAntonio Huete Jimenez ND_PRINT("(length is invalid)");
631411677aeSAaron LI break;
632411677aeSAaron LI }
633411677aeSAaron LI if (l < 0) {
634411677aeSAaron LI /*
635411677aeSAaron LI * We've already checked that we've captured the
636411677aeSAaron LI * entire TLV, based on its length, so this will
637411677aeSAaron LI * either be -1, meaning "the prefix length is
638411677aeSAaron LI * greater than the longest possible address of
639411677aeSAaron LI * that type" (i.e., > 32 for IPv4 or > 128 for
640411677aeSAaron LI * IPv6", or -3, meaning "the prefix runs past
641411677aeSAaron LI * the end of the TLV".
642411677aeSAaron LI */
643*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
644411677aeSAaron LI break;
645411677aeSAaron LI }
646411677aeSAaron LI l += 8 + (-l & 3);
647411677aeSAaron LI
648411677aeSAaron LI if (bodylen >= l)
649411677aeSAaron LI hncp_print_rec(ndo, value + l, bodylen - l, indent+1);
650411677aeSAaron LI }
651411677aeSAaron LI break;
652411677aeSAaron LI
653411677aeSAaron LI case HNCP_PREFIX_POLICY: {
654411677aeSAaron LI uint8_t policy;
655411677aeSAaron LI int l;
656411677aeSAaron LI if (bodylen < 1) {
657*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
658411677aeSAaron LI break;
659411677aeSAaron LI }
660*ed775ee7SAntonio Huete Jimenez policy = GET_U_1(value);
661*ed775ee7SAntonio Huete Jimenez ND_PRINT(" type: ");
662411677aeSAaron LI if (policy == 0) {
663411677aeSAaron LI if (bodylen != 1) {
664*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
665411677aeSAaron LI break;
666411677aeSAaron LI }
667*ed775ee7SAntonio Huete Jimenez ND_PRINT("Internet connectivity");
668411677aeSAaron LI } else if (policy >= 1 && policy <= 128) {
669*ed775ee7SAntonio Huete Jimenez ND_PRINT("Dest-Prefix: ");
670411677aeSAaron LI l = print_prefix(ndo, value, bodylen);
671411677aeSAaron LI if (l == -1) {
672*ed775ee7SAntonio Huete Jimenez ND_PRINT("(length is invalid)");
673411677aeSAaron LI break;
674411677aeSAaron LI }
675411677aeSAaron LI if (l < 0) {
676411677aeSAaron LI /*
677411677aeSAaron LI * We've already checked that we've captured the
678411677aeSAaron LI * entire TLV, based on its length, so this will
679411677aeSAaron LI * either be -1, meaning "the prefix length is
680411677aeSAaron LI * greater than the longest possible address of
681411677aeSAaron LI * that type" (i.e., > 32 for IPv4 or > 128 for
682411677aeSAaron LI * IPv6", or -3, meaning "the prefix runs past
683411677aeSAaron LI * the end of the TLV".
684411677aeSAaron LI */
685*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
686411677aeSAaron LI break;
687411677aeSAaron LI }
688411677aeSAaron LI } else if (policy == 129) {
689*ed775ee7SAntonio Huete Jimenez ND_PRINT("DNS domain: ");
690411677aeSAaron LI print_dns_label(ndo, value+1, bodylen-1, 1);
691411677aeSAaron LI } else if (policy == 130) {
692*ed775ee7SAntonio Huete Jimenez ND_PRINT("Opaque UTF-8: ");
693*ed775ee7SAntonio Huete Jimenez nd_printjnp(ndo, value + 1, bodylen - 1);
694411677aeSAaron LI } else if (policy == 131) {
695411677aeSAaron LI if (bodylen != 1) {
696*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
697411677aeSAaron LI break;
698411677aeSAaron LI }
699*ed775ee7SAntonio Huete Jimenez ND_PRINT("Restrictive assignment");
700411677aeSAaron LI } else if (policy >= 132) {
701*ed775ee7SAntonio Huete Jimenez ND_PRINT("Unknown (%u)", policy); /* Reserved for future additions */
702411677aeSAaron LI }
703411677aeSAaron LI }
704411677aeSAaron LI break;
705411677aeSAaron LI
706411677aeSAaron LI case HNCP_DHCPV4_DATA: {
707411677aeSAaron LI if (bodylen == 0) {
708*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
709411677aeSAaron LI break;
710411677aeSAaron LI }
711411677aeSAaron LI if (dhcpv4_print(ndo, value, bodylen, indent+1) != 0)
712411677aeSAaron LI goto invalid;
713411677aeSAaron LI }
714411677aeSAaron LI break;
715411677aeSAaron LI
716411677aeSAaron LI case HNCP_DHCPV6_DATA: {
717411677aeSAaron LI if (bodylen == 0) {
718*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
719411677aeSAaron LI break;
720411677aeSAaron LI }
721411677aeSAaron LI if (dhcpv6_print(ndo, value, bodylen, indent+1) != 0) {
722*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
723411677aeSAaron LI break;
724411677aeSAaron LI }
725411677aeSAaron LI }
726411677aeSAaron LI break;
727411677aeSAaron LI
728411677aeSAaron LI case HNCP_ASSIGNED_PREFIX: {
729411677aeSAaron LI uint8_t prty;
730411677aeSAaron LI int l;
731*ed775ee7SAntonio Huete Jimenez if (bodylen < 6 || bodylen < 6 + (GET_U_1(value + 5) + 7) / 8) {
732*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
733411677aeSAaron LI break;
734411677aeSAaron LI }
735*ed775ee7SAntonio Huete Jimenez prty = GET_U_1(value + 4) & 0xf;
736*ed775ee7SAntonio Huete Jimenez ND_PRINT(" EPID: %08x Prty: %u",
737*ed775ee7SAntonio Huete Jimenez GET_BE_U_4(value),
738411677aeSAaron LI prty
739*ed775ee7SAntonio Huete Jimenez );
740*ed775ee7SAntonio Huete Jimenez ND_PRINT(" Prefix: ");
741411677aeSAaron LI if ((l = print_prefix(ndo, value + 5, bodylen - 5)) < 0) {
742*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
743411677aeSAaron LI break;
744411677aeSAaron LI }
745411677aeSAaron LI l += 5;
746411677aeSAaron LI l += -l & 3;
747411677aeSAaron LI
748411677aeSAaron LI if (bodylen >= l)
749411677aeSAaron LI hncp_print_rec(ndo, value + l, bodylen - l, indent+1);
750411677aeSAaron LI }
751411677aeSAaron LI break;
752411677aeSAaron LI
753411677aeSAaron LI case HNCP_NODE_ADDRESS: {
754411677aeSAaron LI uint32_t endpoint_identifier;
755411677aeSAaron LI const char *ip_address;
756411677aeSAaron LI if (bodylen < 20) {
757*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
758411677aeSAaron LI break;
759411677aeSAaron LI }
760*ed775ee7SAntonio Huete Jimenez endpoint_identifier = GET_BE_U_4(value);
761411677aeSAaron LI ip_address = format_ip6addr(ndo, value + 4);
762*ed775ee7SAntonio Huete Jimenez ND_PRINT(" EPID: %08x IP Address: %s",
763411677aeSAaron LI endpoint_identifier,
764411677aeSAaron LI ip_address
765*ed775ee7SAntonio Huete Jimenez );
766411677aeSAaron LI
767411677aeSAaron LI hncp_print_rec(ndo, value + 20, bodylen - 20, indent+1);
768411677aeSAaron LI }
769411677aeSAaron LI break;
770411677aeSAaron LI
771411677aeSAaron LI case HNCP_DNS_DELEGATED_ZONE: {
772411677aeSAaron LI const char *ip_address;
773411677aeSAaron LI int len;
774411677aeSAaron LI if (bodylen < 17) {
775*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
776411677aeSAaron LI break;
777411677aeSAaron LI }
778411677aeSAaron LI ip_address = format_ip6addr(ndo, value);
779*ed775ee7SAntonio Huete Jimenez ND_PRINT(" IP-Address: %s %c%c%c ",
780411677aeSAaron LI ip_address,
781*ed775ee7SAntonio Huete Jimenez (GET_U_1(value + 16) & 4) ? 'l' : '-',
782*ed775ee7SAntonio Huete Jimenez (GET_U_1(value + 16) & 2) ? 'b' : '-',
783*ed775ee7SAntonio Huete Jimenez (GET_U_1(value + 16) & 1) ? 's' : '-'
784*ed775ee7SAntonio Huete Jimenez );
785411677aeSAaron LI len = print_dns_label(ndo, value+17, bodylen-17, 1);
786411677aeSAaron LI if (len < 0) {
787*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
788411677aeSAaron LI break;
789411677aeSAaron LI }
790411677aeSAaron LI len += 17;
791411677aeSAaron LI len += -len & 3;
792411677aeSAaron LI if (bodylen >= len)
793411677aeSAaron LI hncp_print_rec(ndo, value+len, bodylen-len, indent+1);
794411677aeSAaron LI }
795411677aeSAaron LI break;
796411677aeSAaron LI
797411677aeSAaron LI case HNCP_DOMAIN_NAME: {
798411677aeSAaron LI if (bodylen == 0) {
799*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
800411677aeSAaron LI break;
801411677aeSAaron LI }
802*ed775ee7SAntonio Huete Jimenez ND_PRINT(" Domain: ");
803411677aeSAaron LI print_dns_label(ndo, value, bodylen, 1);
804411677aeSAaron LI }
805411677aeSAaron LI break;
806411677aeSAaron LI
807411677aeSAaron LI case HNCP_NODE_NAME: {
808411677aeSAaron LI u_int l;
809411677aeSAaron LI if (bodylen < 17) {
810*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
811411677aeSAaron LI break;
812411677aeSAaron LI }
813*ed775ee7SAntonio Huete Jimenez l = GET_U_1(value + 16);
814411677aeSAaron LI if (bodylen < 17 + l) {
815*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
816411677aeSAaron LI break;
817411677aeSAaron LI }
818*ed775ee7SAntonio Huete Jimenez ND_PRINT(" IP-Address: %s Name: ",
819411677aeSAaron LI format_ip6addr(ndo, value)
820*ed775ee7SAntonio Huete Jimenez );
821411677aeSAaron LI if (l < 64) {
822*ed775ee7SAntonio Huete Jimenez ND_PRINT("\"");
823*ed775ee7SAntonio Huete Jimenez nd_printjnp(ndo, value + 17, l);
824*ed775ee7SAntonio Huete Jimenez ND_PRINT("\"");
825411677aeSAaron LI } else {
826*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
827411677aeSAaron LI }
828411677aeSAaron LI l += 17;
829*ed775ee7SAntonio Huete Jimenez l = roundup2(l, 4);
830411677aeSAaron LI if (bodylen >= l)
831411677aeSAaron LI hncp_print_rec(ndo, value + l, bodylen - l, indent+1);
832411677aeSAaron LI }
833411677aeSAaron LI break;
834411677aeSAaron LI
835411677aeSAaron LI case HNCP_MANAGED_PSK: {
836411677aeSAaron LI if (bodylen < 32) {
837*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
838411677aeSAaron LI break;
839411677aeSAaron LI }
840*ed775ee7SAntonio Huete Jimenez ND_PRINT(" PSK: %s", format_256(ndo, value));
841411677aeSAaron LI hncp_print_rec(ndo, value + 32, bodylen - 32, indent+1);
842411677aeSAaron LI }
843411677aeSAaron LI break;
844411677aeSAaron LI
845411677aeSAaron LI case RANGE_DNCP_RESERVED:
846411677aeSAaron LI case RANGE_HNCP_UNASSIGNED:
847411677aeSAaron LI case RANGE_DNCP_PRIVATE_USE:
848411677aeSAaron LI case RANGE_DNCP_FUTURE_USE:
849411677aeSAaron LI break;
850411677aeSAaron LI
851411677aeSAaron LI }
852411677aeSAaron LI skip_multiline:
853411677aeSAaron LI
854*ed775ee7SAntonio Huete Jimenez i += 4 + roundup2(bodylen, 4);
855411677aeSAaron LI }
856411677aeSAaron LI print_type_in_line(ndo, last_type_mask, last_type_count, indent, &first_one);
857411677aeSAaron LI
858411677aeSAaron LI return;
859411677aeSAaron LI
860411677aeSAaron LI trunc:
861*ed775ee7SAntonio Huete Jimenez nd_print_trunc(ndo);
862411677aeSAaron LI return;
863411677aeSAaron LI
864411677aeSAaron LI invalid:
865*ed775ee7SAntonio Huete Jimenez nd_print_invalid(ndo);
866411677aeSAaron LI }
867