/* $NetBSD: print-ipx.c,v 1.6 2004/09/27 23:04:24 dyoung Exp $ */ /* * 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). */ #include #ifndef lint #if 0 static const char rcsid[] _U_ = "@(#) Header: /tcpdump/master/tcpdump/print-ipx.c,v 1.34.2.2 2003/11/16 08:51:28 guy Exp"; #else __RCSID("$NetBSD: print-ipx.c,v 1.6 2004/09/27 23:04:24 dyoung Exp $"); #endif #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #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; 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: (void)printf(" ipx-eigrp %d", 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++) { TCHECK2(ipx[25], 10); (void)printf(" %s '", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0])))); fn_print((u_char *)&ipx[1], (u_char *)&ipx[1] + 48); 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(" %u/%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(" %u/%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); }