diff options
Diffstat (limited to 'freebsd/contrib/tcpdump/print-ipx.c')
| -rw-r--r-- | freebsd/contrib/tcpdump/print-ipx.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/print-ipx.c b/freebsd/contrib/tcpdump/print-ipx.c new file mode 100644 index 00000000..ae136429 --- /dev/null +++ b/freebsd/contrib/tcpdump/print-ipx.c @@ -0,0 +1,225 @@ +#include <machine/rtems-bsd-user-space.h> + +/* + * 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). + * + * $FreeBSD$ + */ + +#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); +} |