diff options
Diffstat (limited to 'usr.sbin/tcpdump/print-ipx.c')
| -rw-r--r-- | usr.sbin/tcpdump/print-ipx.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/usr.sbin/tcpdump/print-ipx.c b/usr.sbin/tcpdump/print-ipx.c new file mode 100644 index 00000000000..7872e6a6554 --- /dev/null +++ b/usr.sbin/tcpdump/print-ipx.c @@ -0,0 +1,214 @@ +/* $NetBSD: print-ipx.c,v 1.2 1995/03/06 19:11:16 mycroft Exp $ */ + +/* + * Copyright (c) 1994 + * 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 char rcsid[] = + "@(#)Header: print-ipx.c,v 1.6 94/06/20 19:44:38 leres Exp"; +#endif + +#include <sys/param.h> +#include <sys/types.h> +#include <sys/socket.h> + +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_var.h> +#include <netinet/udp.h> +#include <netinet/udp_var.h> +#include <netinet/tcp.h> +#include <netinet/tcpip.h> + +#ifdef __STDC__ +#include <stdlib.h> +#endif +#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 net, const u_char *node); +void ipx_decode(const struct ipxHdr *ipx, const u_char *datap, int length); +void ipx_sap_print(const u_short *ipx, int length); +void ipx_rip_print(const u_short *ipx, int length); + +/* + * Print IPX datagram packets. + */ +void +ipx_print(const u_char *p, int length) +{ + const struct ipxHdr *ipx = (const struct ipxHdr *)p; + + if (length < ipxSize) { + (void)printf(" truncated-ipx %d", length); + return; + } + (void)printf("%s.%x > ", + ipxaddr_string(EXTRACT_LONG(ipx->srcNet), ipx->srcNode), + EXTRACT_SHORT(&ipx->srcSkt)); + + (void)printf("%s.%x:", + ipxaddr_string(EXTRACT_LONG(ipx->dstNet), ipx->dstNode), + EXTRACT_SHORT(&ipx->dstSkt)); + + if ((u_char *)(ipx + 1) > snapend) { + printf(" [|ipx]"); + return; + } + + /* take length from ipx header */ + length = EXTRACT_SHORT(&ipx->length); + + ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize); +} + +static const char * +ipxaddr_string(u_int32 net, const u_char *node) +{ + static char line[256]; + + sprintf(line, "%lu.%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, int length) +{ + switch (EXTRACT_SHORT(&ipx->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); + break; + case IPX_SKT_DIAGNOSTICS: + (void)printf(" ipx-diags %d", length); + break; + default: + (void)printf(" ipx-#%x %d", ipx->dstSkt, length); + break; + } +} + +void +ipx_sap_print(const u_short *ipx, int length) +{ + int command, i; + + if (length < 2) { + (void)printf(" truncated-sap %d", length); + return; + } + + command = EXTRACT_SHORT(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"); + + if (length > 0) + (void)printf(" %x '%.48s'", EXTRACT_SHORT(&ipx[0]), + (char*)&ipx[1]); + 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++) { + (void)printf(" %x '%.48s' addr %s", + EXTRACT_SHORT(&ipx[0]), (char *)&ipx[1], + ipxaddr_string(EXTRACT_LONG(&ipx[25]), + (u_char *)&ipx[27])); + ipx += 32; + length -= 64; + } + break; + default: + (void)printf("ipx-sap-?%x", command); + break; + } +} + +void +ipx_rip_print(const u_short *ipx, int length) +{ + int command, i; + + if (length < 2) { + (void)printf(" truncated-ipx %d", length); + return; + } + + command = EXTRACT_SHORT(ipx); + ipx++; + length -= 2; + + switch (command) { + case 1: + (void)printf("ipx-rip-req"); + if (length > 0) + (void)printf(" %lu/%d.%d", EXTRACT_LONG(&ipx[0]), + EXTRACT_SHORT(&ipx[2]), EXTRACT_SHORT(&ipx[3])); + break; + case 2: + (void)printf("ipx-rip-resp"); + for (i = 0; i < 50 && length > 0; i++) { + (void)printf(" %lu/%d.%d", EXTRACT_LONG(&ipx[0]), + EXTRACT_SHORT(&ipx[2]), EXTRACT_SHORT(&ipx[3])); + + ipx += 4; + length -= 8; + } + break; + default: + (void)printf("ipx-rip-?%x", command); + } +} + |