| /* |
| * Copyright (c) 1994, 1995, 1996 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that: (1) source code distributions |
| * retain the above copyright notice and this paragraph in its entirety, (2) |
| * distributions including binary code include the above copyright notice and |
| * this paragraph in its entirety in the documentation or other materials |
| * provided with the distribution, and (3) all advertising materials mentioning |
| * features or use of this software display the following acknowledgement: |
| * ``This product includes software developed by the University of California, |
| * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| * the University nor the names of its contributors may be used to endorse |
| * or promote products derived from this software without specific prior |
| * written permission. |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * Format and print Novell IPX packets. |
| * Contributed by Brad Parker (brad@fcr.com). |
| */ |
| |
| #ifndef lint |
| static const char rcsid[] _U_ = |
| "@(#) $Header: /tcpdump/master/tcpdump/print-ipx.c,v 1.42 2005-05-06 08:26:44 guy Exp $"; |
| #endif |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #include <tcpdump-stdinc.h> |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "interface.h" |
| #include "addrtoname.h" |
| #include "ipx.h" |
| #include "extract.h" |
| |
| |
| static const char *ipxaddr_string(u_int32_t, const u_char *); |
| void ipx_decode(const struct ipxHdr *, const u_char *, u_int); |
| void ipx_sap_print(const u_short *, u_int); |
| void ipx_rip_print(const u_short *, u_int); |
| |
| /* |
| * Print IPX datagram packets. |
| */ |
| void |
| ipx_print(const u_char *p, u_int length) |
| { |
| const struct ipxHdr *ipx = (const struct ipxHdr *)p; |
| |
| if (!eflag) |
| printf("IPX "); |
| |
| TCHECK(ipx->srcSkt); |
| (void)printf("%s.%04x > ", |
| ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode), |
| EXTRACT_16BITS(&ipx->srcSkt)); |
| |
| (void)printf("%s.%04x: ", |
| ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode), |
| EXTRACT_16BITS(&ipx->dstSkt)); |
| |
| /* take length from ipx header */ |
| TCHECK(ipx->length); |
| length = EXTRACT_16BITS(&ipx->length); |
| |
| ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize); |
| return; |
| trunc: |
| printf("[|ipx %d]", length); |
| } |
| |
| static const char * |
| ipxaddr_string(u_int32_t net, const u_char *node) |
| { |
| static char line[256]; |
| |
| snprintf(line, sizeof(line), "%08x.%02x:%02x:%02x:%02x:%02x:%02x", |
| net, node[0], node[1], node[2], node[3], node[4], node[5]); |
| |
| return line; |
| } |
| |
| void |
| ipx_decode(const struct ipxHdr *ipx, const u_char *datap, u_int length) |
| { |
| register u_short dstSkt; |
| |
| dstSkt = EXTRACT_16BITS(&ipx->dstSkt); |
| switch (dstSkt) { |
| case IPX_SKT_NCP: |
| (void)printf("ipx-ncp %d", length); |
| break; |
| case IPX_SKT_SAP: |
| ipx_sap_print((u_short *)datap, length); |
| break; |
| case IPX_SKT_RIP: |
| ipx_rip_print((u_short *)datap, length); |
| break; |
| case IPX_SKT_NETBIOS: |
| (void)printf("ipx-netbios %d", length); |
| #ifdef TCPDUMP_DO_SMB |
| ipx_netbios_print(datap, length); |
| #endif |
| break; |
| case IPX_SKT_DIAGNOSTICS: |
| (void)printf("ipx-diags %d", length); |
| break; |
| case IPX_SKT_NWLINK_DGM: |
| (void)printf("ipx-nwlink-dgm %d", length); |
| #ifdef TCPDUMP_DO_SMB |
| ipx_netbios_print(datap, length); |
| #endif |
| break; |
| case IPX_SKT_EIGRP: |
| eigrp_print(datap, length); |
| break; |
| default: |
| (void)printf("ipx-#%x %d", dstSkt, length); |
| break; |
| } |
| } |
| |
| void |
| ipx_sap_print(const u_short *ipx, u_int length) |
| { |
| int command, i; |
| |
| TCHECK(ipx[0]); |
| command = EXTRACT_16BITS(ipx); |
| ipx++; |
| length -= 2; |
| |
| switch (command) { |
| case 1: |
| case 3: |
| if (command == 1) |
| (void)printf("ipx-sap-req"); |
| else |
| (void)printf("ipx-sap-nearest-req"); |
| |
| TCHECK(ipx[0]); |
| (void)printf(" %s", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0])))); |
| break; |
| |
| case 2: |
| case 4: |
| if (command == 2) |
| (void)printf("ipx-sap-resp"); |
| else |
| (void)printf("ipx-sap-nearest-resp"); |
| |
| for (i = 0; i < 8 && length > 0; i++) { |
| TCHECK(ipx[0]); |
| (void)printf(" %s '", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0])))); |
| if (fn_printzp((u_char *)&ipx[1], 48, snapend)) { |
| printf("'"); |
| goto trunc; |
| } |
| TCHECK2(ipx[25], 10); |
| printf("' addr %s", |
| ipxaddr_string(EXTRACT_32BITS(&ipx[25]), (u_char *)&ipx[27])); |
| ipx += 32; |
| length -= 64; |
| } |
| break; |
| default: |
| (void)printf("ipx-sap-?%x", command); |
| break; |
| } |
| return; |
| trunc: |
| printf("[|ipx %d]", length); |
| } |
| |
| void |
| ipx_rip_print(const u_short *ipx, u_int length) |
| { |
| int command, i; |
| |
| TCHECK(ipx[0]); |
| command = EXTRACT_16BITS(ipx); |
| ipx++; |
| length -= 2; |
| |
| switch (command) { |
| case 1: |
| (void)printf("ipx-rip-req"); |
| if (length > 0) { |
| TCHECK(ipx[3]); |
| (void)printf(" %08x/%d.%d", EXTRACT_32BITS(&ipx[0]), |
| EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3])); |
| } |
| break; |
| case 2: |
| (void)printf("ipx-rip-resp"); |
| for (i = 0; i < 50 && length > 0; i++) { |
| TCHECK(ipx[3]); |
| (void)printf(" %08x/%d.%d", EXTRACT_32BITS(&ipx[0]), |
| EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3])); |
| |
| ipx += 4; |
| length -= 8; |
| } |
| break; |
| default: |
| (void)printf("ipx-rip-?%x", command); |
| break; |
| } |
| return; |
| trunc: |
| printf("[|ipx %d]", length); |
| } |