The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 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 |
| 26 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 27 | "@(#) $Header: /tcpdump/master/tcpdump/print-ipx.c,v 1.42 2005-05-06 08:26:44 guy Exp $"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 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 | |
| 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 | |
| 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; |
| 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 | |
| 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 | |
| 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: |
| 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 | |
| 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 | |
| 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; |
| 180 | trunc: |
| 181 | printf("[|ipx %d]", length); |
| 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]); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 199 | (void)printf(" %08x/%d.%d", EXTRACT_32BITS(&ipx[0]), |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 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]); |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 207 | (void)printf(" %08x/%d.%d", EXTRACT_32BITS(&ipx[0]), |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 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; |
| 219 | trunc: |
| 220 | printf("[|ipx %d]", length); |
| 221 | } |