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f555c16 Initial revision
mcr authored
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
bbc1cfa @yuguy Have the configure script arrange that the Makefile define _U_
yuguy authored
25 #ifndef lint
26 static const char rcsid[] _U_ =
638229f @yuguy Bounds-check the individual components of a SAP reply.
yuguy authored
27 "@(#) $Header: /tcpdump/master/tcpdump/print-ipx.c,v 1.42 2005-05-06 08:26:44 guy Exp $";
bbc1cfa @yuguy Have the configure script arrange that the Makefile define _U_
yuguy authored
28 #endif
b9ac23c Switch to config.h instead of passing defines in DEFS.
fenner authored
29
30 #ifdef HAVE_CONFIG_H
31 #include "config.h"
f555c16 Initial revision
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32 #endif
33
3d93249 Added support for Win32, based on WinPcap.
risso authored
34 #include <tcpdump-stdinc.h>
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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
46 static const char *ipxaddr_string(u_int32_t, const u_char *);
47 void ipx_decode(const struct ipxHdr *, const u_char *, u_int);
48 void ipx_sap_print(const u_short *, u_int);
49 void ipx_rip_print(const u_short *, u_int);
50
51 /*
52 * Print IPX datagram packets.
53 */
54 void
55 ipx_print(const u_char *p, u_int length)
56 {
57 const struct ipxHdr *ipx = (const struct ipxHdr *)p;
58
0c6a6e2 @yuguy From Steinar Haug <sthaug@nethelp.no>: put declarations inside a
yuguy authored
59 if (!eflag)
60 printf("IPX ");
61
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62 TCHECK(ipx->srcSkt);
b42fd30 @yuguy From Heinz-Ado Arnolds <Ado.Arnolds@dhm-systems.de>:
yuguy authored
63 (void)printf("%s.%04x > ",
f555c16 Initial revision
mcr authored
64 ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
65 EXTRACT_16BITS(&ipx->srcSkt));
66
98cab67 display cosmetics
hannes authored
67 (void)printf("%s.%04x: ",
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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;
77 trunc:
78 printf("[|ipx %d]", length);
79 }
80
81 static const char *
82 ipxaddr_string(u_int32_t net, const u_char *node)
83 {
84 static char line[256];
85
b42fd30 @yuguy From Heinz-Ado Arnolds <Ado.Arnolds@dhm-systems.de>:
yuguy authored
86 snprintf(line, sizeof(line), "%08x.%02x:%02x:%02x:%02x:%02x:%02x",
f555c16 Initial revision
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87 net, node[0], node[1], node[2], node[3], node[4], node[5]);
88
89 return line;
90 }
91
92 void
93 ipx_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:
98cab67 display cosmetics
hannes authored
100 (void)printf("ipx-ncp %d", length);
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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:
98cab67 display cosmetics
hannes authored
109 (void)printf("ipx-netbios %d", length);
a5562fd Add --enable-smb to make it easier to re-enable the SMB printer.
fenner authored
110 #ifdef TCPDUMP_DO_SMB
64e81f2 @yuguy Handle IPX socket 0x553, which is some kind of NetBIOS-over-IPX socket.
yuguy authored
111 ipx_netbios_print(datap, length);
459451d disable smb printing until we have boundary checks in *smb*.c (there'…
itojun authored
112 #endif
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113 break;
114 case IPX_SKT_DIAGNOSTICS:
98cab67 display cosmetics
hannes authored
115 (void)printf("ipx-diags %d", length);
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116 break;
64e81f2 @yuguy Handle IPX socket 0x553, which is some kind of NetBIOS-over-IPX socket.
yuguy authored
117 case IPX_SKT_NWLINK_DGM:
98cab67 display cosmetics
hannes authored
118 (void)printf("ipx-nwlink-dgm %d", length);
a5562fd Add --enable-smb to make it easier to re-enable the SMB printer.
fenner authored
119 #ifdef TCPDUMP_DO_SMB
64e81f2 @yuguy Handle IPX socket 0x553, which is some kind of NetBIOS-over-IPX socket.
yuguy authored
120 ipx_netbios_print(datap, length);
459451d disable smb printing until we have boundary checks in *smb*.c (there'…
itojun authored
121 #endif
64e81f2 @yuguy Handle IPX socket 0x553, which is some kind of NetBIOS-over-IPX socket.
yuguy authored
122 break;
06f29e2 @yuguy IPX socket 0x85be is for Cisco EIGRP over IPX.
yuguy authored
123 case IPX_SKT_EIGRP:
0c6a6e2 @yuguy From Steinar Haug <sthaug@nethelp.no>: put declarations inside a
yuguy authored
124 eigrp_print(datap, length);
06f29e2 @yuguy IPX socket 0x85be is for Cisco EIGRP over IPX.
yuguy authored
125 break;
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126 default:
98cab67 display cosmetics
hannes authored
127 (void)printf("ipx-#%x %d", dstSkt, length);
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128 break;
129 }
130 }
131
132 void
133 ipx_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
1e73a0f @yuguy IPX SAP requests don't have service names in them, they just have a
yuguy authored
150 TCHECK(ipx[0]);
b42fd30 @yuguy From Heinz-Ado Arnolds <Ado.Arnolds@dhm-systems.de>:
yuguy authored
151 (void)printf(" %s", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0]))));
f555c16 Initial revision
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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++) {
638229f @yuguy Bounds-check the individual components of a SAP reply.
yuguy authored
162 TCHECK(ipx[0]);
b42fd30 @yuguy From Heinz-Ado Arnolds <Ado.Arnolds@dhm-systems.de>:
yuguy authored
163 (void)printf(" %s '", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0]))));
6191f36 @yuguy Add an "fn_printzp()" routine for printing null-padded strings (strings
yuguy authored
164 if (fn_printzp((u_char *)&ipx[1], 48, snapend)) {
165 printf("'");
166 goto trunc;
167 }
638229f @yuguy Bounds-check the individual components of a SAP reply.
yuguy authored
168 TCHECK2(ipx[25], 10);
f555c16 Initial revision
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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:
1e73a0f @yuguy IPX SAP requests don't have service names in them, they just have a
yuguy authored
176 (void)printf("ipx-sap-?%x", command);
f555c16 Initial revision
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177 break;
178 }
1e73a0f @yuguy IPX SAP requests don't have service names in them, they just have a
yuguy authored
179 return;
f555c16 Initial revision
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180 trunc:
1e73a0f @yuguy IPX SAP requests don't have service names in them, they just have a
yuguy authored
181 printf("[|ipx %d]", length);
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182 }
183
184 void
185 ipx_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]);
aad7d3d @guyharris Print IPX network numbers as 8 hex digits, as we do elsewhere.
guyharris authored
199 (void)printf(" %08x/%d.%d", EXTRACT_32BITS(&ipx[0]),
f555c16 Initial revision
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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]);
aad7d3d @guyharris Print IPX network numbers as 8 hex digits, as we do elsewhere.
guyharris authored
207 (void)printf(" %08x/%d.%d", EXTRACT_32BITS(&ipx[0]),
f555c16 Initial revision
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208 EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
209
210 ipx += 4;
211 length -= 8;
212 }
213 break;
214 default:
1e73a0f @yuguy IPX SAP requests don't have service names in them, they just have a
yuguy authored
215 (void)printf("ipx-rip-?%x", command);
216 break;
f555c16 Initial revision
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217 }
1e73a0f @yuguy IPX SAP requests don't have service names in them, they just have a
yuguy authored
218 return;
f555c16 Initial revision
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219 trunc:
1e73a0f @yuguy IPX SAP requests don't have service names in them, they just have a
yuguy authored
220 printf("[|ipx %d]", length);
f555c16 Initial revision
mcr authored
221 }
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