1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "defs.h"
#include "tables.h"
static void print_opt(struct nd_opt_hdr *opt, int len);
void
print_route_sol(char *str, struct phyint *pi,
struct nd_router_solicit *rs, int len, struct sockaddr_in6 *addr)
{
struct nd_opt_hdr *opt;
char abuf[INET6_ADDRSTRLEN];
logmsg(LOG_DEBUG, "%s %s (%d bytes) on %s\n", str,
inet_ntop(addr->sin6_family, (void *)&addr->sin6_addr,
abuf, sizeof (abuf)),
len, pi->pi_name);
len -= sizeof (*rs);
opt = (struct nd_opt_hdr *)&rs[1];
print_opt(opt, len);
}
void
print_route_adv(char *str, struct phyint *pi,
struct nd_router_advert *ra, int len, struct sockaddr_in6 *addr)
{
struct nd_opt_hdr *opt;
char abuf[INET6_ADDRSTRLEN];
logmsg(LOG_DEBUG, "%s %s (%d bytes) on %s\n", str,
inet_ntop(addr->sin6_family, (void *)&addr->sin6_addr,
abuf, sizeof (abuf)),
len, pi->pi_name);
logmsg(LOG_DEBUG, "\tMax hop limit: %u\n", ra->nd_ra_curhoplimit);
logmsg(LOG_DEBUG, "\tManaged address configuration: %s\n",
(ra->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED) ?
"Set" : "Not set");
logmsg(LOG_DEBUG, "\tOther configuration flag: %s\n",
(ra->nd_ra_flags_reserved & ND_RA_FLAG_OTHER) ?
"Set" : "Not set");
logmsg(LOG_DEBUG, "\tRouter lifetime: %u\n",
ntohs(ra->nd_ra_router_lifetime));
logmsg(LOG_DEBUG, "\tReachable timer: %u\n",
ntohl(ra->nd_ra_reachable));
logmsg(LOG_DEBUG, "\tReachable retrans timer: %u\n",
ntohl(ra->nd_ra_retransmit));
len -= sizeof (*ra);
opt = (struct nd_opt_hdr *)&ra[1];
print_opt(opt, len);
}
static void
print_opt(struct nd_opt_hdr *opt, int len)
{
struct nd_opt_prefix_info *po;
struct nd_opt_mtu *mo;
struct nd_opt_lla *lo;
int optlen;
char abuf[INET6_ADDRSTRLEN];
char llabuf[BUFSIZ];
while (len >= sizeof (struct nd_opt_hdr)) {
optlen = opt->nd_opt_len * 8;
if (optlen == 0) {
logmsg(LOG_DEBUG, "Zero length option!\n");
break;
}
switch (opt->nd_opt_type) {
case ND_OPT_PREFIX_INFORMATION:
po = (struct nd_opt_prefix_info *)opt;
if (optlen != sizeof (*po) ||
optlen > len)
break;
logmsg(LOG_DEBUG, "\tPrefix: %s/%u\n",
inet_ntop(AF_INET6, (void *)&po->nd_opt_pi_prefix,
abuf, sizeof (abuf)),
po->nd_opt_pi_prefix_len);
logmsg(LOG_DEBUG, "\t\tOn link flag:%s\n",
(po->nd_opt_pi_flags_reserved &
ND_OPT_PI_FLAG_ONLINK) ?
"Set" : "Not set");
logmsg(LOG_DEBUG, "\t\tAuto addrconf flag:%s\n",
(po->nd_opt_pi_flags_reserved &
ND_OPT_PI_FLAG_AUTO) ?
"Set" : "Not set");
logmsg(LOG_DEBUG, "\t\tValid time: %u\n",
ntohl(po->nd_opt_pi_valid_time));
logmsg(LOG_DEBUG, "\t\tPreferred time: %u\n",
ntohl(po->nd_opt_pi_preferred_time));
break;
case ND_OPT_MTU:
mo = (struct nd_opt_mtu *)opt;
if (optlen != sizeof (*mo) ||
optlen > len)
break;
logmsg(LOG_DEBUG, "\tMTU: %d\n",
ntohl(mo->nd_opt_mtu_mtu));
break;
case ND_OPT_SOURCE_LINKADDR:
lo = (struct nd_opt_lla *)opt;
if (optlen < 8 ||
optlen > len)
break;
(void) fmt_lla(llabuf, sizeof (llabuf),
lo->nd_opt_lla_hdw_addr,
optlen - sizeof (nd_opt_hdr_t));
logmsg(LOG_DEBUG, "\tSource LLA: len %d <%s>\n",
optlen - sizeof (nd_opt_hdr_t),
llabuf);
break;
case ND_OPT_TARGET_LINKADDR:
lo = (struct nd_opt_lla *)opt;
if (optlen < 8||
optlen > len)
break;
(void) fmt_lla(llabuf, sizeof (llabuf),
lo->nd_opt_lla_hdw_addr,
optlen - sizeof (nd_opt_hdr_t));
logmsg(LOG_DEBUG, "\tTarget LLA: len %d <%s>\n",
optlen - sizeof (nd_opt_hdr_t),
llabuf);
break;
case ND_OPT_REDIRECTED_HEADER:
logmsg(LOG_DEBUG, "\tRedirected header option!\n");
break;
default:
logmsg(LOG_DEBUG, "Unknown option %d (0x%x)\n",
opt->nd_opt_type, opt->nd_opt_type);
break;
}
opt = (struct nd_opt_hdr *)((char *)opt + optlen);
len -= optlen;
}
}
char *
fmt_lla(char *llabuf, int bufsize, uchar_t *lla, int llalen)
{
int i;
char *cp = llabuf;
for (i = 0; i < llalen; i++) {
if (i == llalen - 1) /* Last byte? */
(void) snprintf(cp, bufsize, "%02x", lla[i] & 0xFF);
else
(void) snprintf(cp, bufsize, "%02x:", lla[i] & 0xFF);
bufsize -= strlen(cp);
cp += strlen(cp);
}
return (llabuf);
}
|
