?? print-ipx.c
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/* * 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 lintstatic const char rcsid[] = "@(#) $Header: print-ipx.c,v 1.19 96/12/10 23:23:52 leres Exp $";#endif#ifndef WIN32
#include <sys/time.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#else
#include <winsock.h>
#endif
#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_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. */voidipx_print(const u_char *p, u_int length){ const struct ipxHdr *ipx = (const struct ipxHdr *)p; TCHECK(ipx->srcSkt); (void)printf("%s.%x > ", ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode), EXTRACT_16BITS(&ipx->srcSkt)); (void)printf("%s.%x:", 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]; sprintf(line, "%x.%02x:%02x:%02x:%02x:%02x:%02x", net, node[0], node[1], node[2], node[3], node[4], node[5]); return line;}voidipx_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); break; case IPX_SKT_DIAGNOSTICS: (void)printf(" ipx-diags %d", length); break; default: (void)printf(" ipx-#%x %d", dstSkt, length); break; }}voidipx_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"); if (length > 0) { TCHECK(ipx[1]); (void)printf(" %x '", EXTRACT_16BITS(&ipx[0])); fn_print((u_char *)&ipx[1], (u_char *)&ipx[1] + 48); putchar('\''); } 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[27], 1); (void)printf(" %x '", 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);}voidipx_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); } return;trunc: printf("[|ipx %d]", length);}
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