Move tcpdump-3.9/ to tcpdump/. No need for a versioned dir.
[dragonfly.git] / contrib / tcpdump / print-cnfp.c
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c8cf0f94
PA
1/* $OpenBSD: print-cnfp.c,v 1.2 1998/06/25 20:26:59 mickey Exp $ */
2
3/*
4 * Copyright (c) 1998 Michael Shalayeff
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Michael Shalayeff.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/* Cisco NetFlow protocol */
34
35#ifndef lint
36static const char rcsid[] _U_ =
37 "@(#) $Header: /tcpdump/master/tcpdump/print-cnfp.c,v 1.16.2.1 2005/04/20 20:53:39 guy Exp $";
38#endif
39
40#ifdef HAVE_CONFIG_H
41#include "config.h"
42#endif
43
44#include <tcpdump-stdinc.h>
45
46#include <stdio.h>
47#include <string.h>
48
49#include "interface.h"
50#include "addrtoname.h"
51#include "extract.h"
52
53#include "tcp.h"
54#include "ipproto.h"
55
56struct nfhdr {
57 u_int32_t ver_cnt; /* version [15], and # of records */
58 u_int32_t msys_uptime;
59 u_int32_t utc_sec;
60 u_int32_t utc_nsec;
61 u_int32_t sequence; /* v5 flow sequence number */
62 u_int32_t reserved; /* v5 only */
63};
64
65struct nfrec {
66 struct in_addr src_ina;
67 struct in_addr dst_ina;
68 struct in_addr nhop_ina;
69 u_int32_t ifaces; /* src,dst ifaces */
70 u_int32_t packets;
71 u_int32_t octets;
72 u_int32_t start_time; /* sys_uptime value */
73 u_int32_t last_time; /* sys_uptime value */
74 u_int32_t ports; /* src,dst ports */
75 u_int32_t proto_tos; /* proto, tos, pad, flags(v5) */
76 u_int32_t asses; /* v1: flags; v5: src,dst AS */
77 u_int32_t masks; /* src,dst addr prefix; v6: encaps */
78 struct in_addr peer_nexthop; /* v6: IP address of the nexthop within the peer (FIB)*/
79};
80
81void
82cnfp_print(const u_char *cp, const u_char *bp _U_)
83{
84 register const struct nfhdr *nh;
85 register const struct nfrec *nr;
86 struct protoent *pent;
87 int nrecs, ver;
88#if 0
89 time_t t;
90#endif
91
92 nh = (const struct nfhdr *)cp;
93
94 if ((const u_char *)(nh + 1) > snapend)
95 return;
96
97 nrecs = EXTRACT_32BITS(&nh->ver_cnt) & 0xffff;
98 ver = (EXTRACT_32BITS(&nh->ver_cnt) & 0xffff0000) >> 16;
99#if 0
100 /*
101 * This is seconds since the UN*X epoch, and is followed by
102 * nanoseconds. XXX - format it, rather than just dumping the
103 * raw seconds-since-the-Epoch.
104 */
105 t = EXTRACT_32BITS(&nh->utc_sec);
106#endif
107
108 printf("NetFlow v%x, %u.%03u uptime, %u.%09u, ", ver,
109 EXTRACT_32BITS(&nh->msys_uptime)/1000,
110 EXTRACT_32BITS(&nh->msys_uptime)%1000,
111 EXTRACT_32BITS(&nh->utc_sec), EXTRACT_32BITS(&nh->utc_nsec));
112
113 if (ver == 5 || ver == 6) {
114 printf("#%u, ", EXTRACT_32BITS(&nh->sequence));
115 nr = (const struct nfrec *)&nh[1];
116 snaplen -= 24;
117 } else {
118 nr = (const struct nfrec *)&nh->sequence;
119 snaplen -= 16;
120 }
121
122 printf("%2u recs", nrecs);
123
124 for (; nrecs-- && (const u_char *)(nr + 1) <= snapend; nr++) {
125 char buf[20];
126 char asbuf[20];
127
128 printf("\n started %u.%03u, last %u.%03u",
129 EXTRACT_32BITS(&nr->start_time)/1000,
130 EXTRACT_32BITS(&nr->start_time)%1000,
131 EXTRACT_32BITS(&nr->last_time)/1000,
132 EXTRACT_32BITS(&nr->last_time)%1000);
133
134 asbuf[0] = buf[0] = '\0';
135 if (ver == 5 || ver == 6) {
136 snprintf(buf, sizeof(buf), "/%u",
137 (EXTRACT_32BITS(&nr->masks) >> 24) & 0xff);
138 snprintf(asbuf, sizeof(asbuf), ":%u",
139 (EXTRACT_32BITS(&nr->asses) >> 16) & 0xffff);
140 }
141 printf("\n %s%s%s:%u ", intoa(nr->src_ina.s_addr), buf, asbuf,
142 EXTRACT_32BITS(&nr->ports) >> 16);
143
144 if (ver == 5 || ver ==6) {
145 snprintf(buf, sizeof(buf), "/%d",
146 (EXTRACT_32BITS(&nr->masks) >> 16) & 0xff);
147 snprintf(asbuf, sizeof(asbuf), ":%u",
148 EXTRACT_32BITS(&nr->asses) & 0xffff);
149 }
150 printf("> %s%s%s:%u ", intoa(nr->dst_ina.s_addr), buf, asbuf,
151 EXTRACT_32BITS(&nr->ports) & 0xffff);
152
153 printf(">> %s\n ", intoa(nr->nhop_ina.s_addr));
154
155 pent = getprotobynumber((EXTRACT_32BITS(&nr->proto_tos) >> 8) & 0xff);
156 if (!pent || nflag)
157 printf("%u ",
158 (EXTRACT_32BITS(&nr->proto_tos) >> 8) & 0xff);
159 else
160 printf("%s ", pent->p_name);
161
162 /* tcp flags for tcp only */
163 if (pent && pent->p_proto == IPPROTO_TCP) {
164 int flags;
165 if (ver == 1)
166 flags = (EXTRACT_32BITS(&nr->asses) >> 24) & 0xff;
167 else
168 flags = (EXTRACT_32BITS(&nr->proto_tos) >> 16) & 0xff;
169 if (flags & TH_FIN) putchar('F');
170 if (flags & TH_SYN) putchar('S');
171 if (flags & TH_RST) putchar('R');
172 if (flags & TH_PUSH) putchar('P');
173 if (flags & TH_ACK) putchar('A');
174 if (flags & TH_URG) putchar('U');
175 if (flags)
176 putchar(' ');
177 }
178
179 buf[0]='\0';
180 if (ver == 6) {
181 snprintf(buf, sizeof(buf), "(%u<>%u encaps)",
182 (EXTRACT_32BITS(&nr->masks) >> 8) & 0xff,
183 (EXTRACT_32BITS(&nr->masks)) & 0xff);
184 }
185 printf("tos %u, %u (%u octets) %s",
186 EXTRACT_32BITS(&nr->proto_tos) & 0xff,
187 EXTRACT_32BITS(&nr->packets),
188 EXTRACT_32BITS(&nr->octets), buf);
189 }
190}