Move tcpdump-3.9/ to tcpdump/. No need for a versioned dir.
[dragonfly.git] / contrib / tcpdump / print-ipx.c
CommitLineData
c8cf0f94
PA
1/*
2 * Copyright (c) 1994, 1995, 1996
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 * Format and print Novell IPX packets.
22 * Contributed by Brad Parker (brad@fcr.com).
23 */
24
25#ifndef lint
26static const char rcsid[] _U_ =
27 "@(#) $Header: /tcpdump/master/tcpdump/print-ipx.c,v 1.40.2.2 2005/05/06 08:27:00 guy Exp $";
28#endif
29
30#ifdef HAVE_CONFIG_H
31#include "config.h"
32#endif
33
34#include <tcpdump-stdinc.h>
35
36#include <stdlib.h>
37#include <stdio.h>
38#include <string.h>
39
40#include "interface.h"
41#include "addrtoname.h"
42#include "ipx.h"
43#include "extract.h"
44
45
46static const char *ipxaddr_string(u_int32_t, const u_char *);
47void ipx_decode(const struct ipxHdr *, const u_char *, u_int);
48void ipx_sap_print(const u_short *, u_int);
49void ipx_rip_print(const u_short *, u_int);
50
51/*
52 * Print IPX datagram packets.
53 */
54void
55ipx_print(const u_char *p, u_int length)
56{
57 const struct ipxHdr *ipx = (const struct ipxHdr *)p;
58
59 if (!eflag)
60 printf("IPX ");
61
62 TCHECK(ipx->srcSkt);
63 (void)printf("%s.%04x > ",
64 ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
65 EXTRACT_16BITS(&ipx->srcSkt));
66
67 (void)printf("%s.%04x: ",
68 ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode),
69 EXTRACT_16BITS(&ipx->dstSkt));
70
71 /* take length from ipx header */
72 TCHECK(ipx->length);
73 length = EXTRACT_16BITS(&ipx->length);
74
75 ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
76 return;
77trunc:
78 printf("[|ipx %d]", length);
79}
80
81static const char *
82ipxaddr_string(u_int32_t net, const u_char *node)
83{
84 static char line[256];
85
86 snprintf(line, sizeof(line), "%08x.%02x:%02x:%02x:%02x:%02x:%02x",
87 net, node[0], node[1], node[2], node[3], node[4], node[5]);
88
89 return line;
90}
91
92void
93ipx_decode(const struct ipxHdr *ipx, const u_char *datap, u_int length)
94{
95 register u_short dstSkt;
96
97 dstSkt = EXTRACT_16BITS(&ipx->dstSkt);
98 switch (dstSkt) {
99 case IPX_SKT_NCP:
100 (void)printf("ipx-ncp %d", length);
101 break;
102 case IPX_SKT_SAP:
103 ipx_sap_print((u_short *)datap, length);
104 break;
105 case IPX_SKT_RIP:
106 ipx_rip_print((u_short *)datap, length);
107 break;
108 case IPX_SKT_NETBIOS:
109 (void)printf("ipx-netbios %d", length);
110#ifdef TCPDUMP_DO_SMB
111 ipx_netbios_print(datap, length);
112#endif
113 break;
114 case IPX_SKT_DIAGNOSTICS:
115 (void)printf("ipx-diags %d", length);
116 break;
117 case IPX_SKT_NWLINK_DGM:
118 (void)printf("ipx-nwlink-dgm %d", length);
119#ifdef TCPDUMP_DO_SMB
120 ipx_netbios_print(datap, length);
121#endif
122 break;
123 case IPX_SKT_EIGRP:
124 eigrp_print(datap, length);
125 break;
126 default:
127 (void)printf("ipx-#%x %d", dstSkt, length);
128 break;
129 }
130}
131
132void
133ipx_sap_print(const u_short *ipx, u_int length)
134{
135 int command, i;
136
137 TCHECK(ipx[0]);
138 command = EXTRACT_16BITS(ipx);
139 ipx++;
140 length -= 2;
141
142 switch (command) {
143 case 1:
144 case 3:
145 if (command == 1)
146 (void)printf("ipx-sap-req");
147 else
148 (void)printf("ipx-sap-nearest-req");
149
150 TCHECK(ipx[0]);
151 (void)printf(" %s", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0]))));
152 break;
153
154 case 2:
155 case 4:
156 if (command == 2)
157 (void)printf("ipx-sap-resp");
158 else
159 (void)printf("ipx-sap-nearest-resp");
160
161 for (i = 0; i < 8 && length > 0; i++) {
162 TCHECK(ipx[0]);
163 (void)printf(" %s '", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0]))));
164 if (fn_printzp((u_char *)&ipx[1], 48, snapend)) {
165 printf("'");
166 goto trunc;
167 }
168 TCHECK2(ipx[25], 10);
169 printf("' addr %s",
170 ipxaddr_string(EXTRACT_32BITS(&ipx[25]), (u_char *)&ipx[27]));
171 ipx += 32;
172 length -= 64;
173 }
174 break;
175 default:
176 (void)printf("ipx-sap-?%x", command);
177 break;
178 }
179 return;
180trunc:
181 printf("[|ipx %d]", length);
182}
183
184void
185ipx_rip_print(const u_short *ipx, u_int length)
186{
187 int command, i;
188
189 TCHECK(ipx[0]);
190 command = EXTRACT_16BITS(ipx);
191 ipx++;
192 length -= 2;
193
194 switch (command) {
195 case 1:
196 (void)printf("ipx-rip-req");
197 if (length > 0) {
198 TCHECK(ipx[3]);
199 (void)printf(" %u/%d.%d", EXTRACT_32BITS(&ipx[0]),
200 EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
201 }
202 break;
203 case 2:
204 (void)printf("ipx-rip-resp");
205 for (i = 0; i < 50 && length > 0; i++) {
206 TCHECK(ipx[3]);
207 (void)printf(" %u/%d.%d", EXTRACT_32BITS(&ipx[0]),
208 EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
209
210 ipx += 4;
211 length -= 8;
212 }
213 break;
214 default:
215 (void)printf("ipx-rip-?%x", command);
216 break;
217 }
218 return;
219trunc:
220 printf("[|ipx %d]", length);
221}