diff options
Diffstat (limited to 'contrib/tcpdump/print-lcp.c')
| -rw-r--r-- | contrib/tcpdump/print-lcp.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/contrib/tcpdump/print-lcp.c b/contrib/tcpdump/print-lcp.c deleted file mode 100644 index ddea9c6..0000000 --- a/contrib/tcpdump/print-lcp.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 - * 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. - */ - -#ifndef lint -static const char rcsid[] = -"@(#) $Header: /tcpdump/master/tcpdump/print-lcp.c,v 1.9 2000/10/06 04:23:12 guy Exp $ (LBL)"; -#endif - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <sys/param.h> -#include <sys/time.h> -#include <sys/socket.h> - -#include <netinet/in.h> - -#include <stdio.h> -#include <string.h> - -#include "interface.h" -#include "addrtoname.h" -#include "extract.h" /* must come after interface.h */ -#include "ppp.h" - -/* Codes */ -enum { - LCP_CONFREQ = 1, - LCP_CONFACK = 2, - LCP_CONFNAK = 3, - LCP_CONFREJ = 4, - LCP_TERMREQ = 5, - LCP_TERMACK = 6, - LCP_CODEREJ = 7, - LCP_PROTREJ = 8, - LCP_ECHOREQ = 9, - LCP_ECHOREP = 10, - LCP_DISCARD = 11 -}; - -static struct tok lcpcode2str[] = { - { LCP_CONFREQ, "ConfReq" }, - { LCP_CONFACK, "ConfAck" }, - { LCP_CONFNAK, "ConfNak" }, - { LCP_CONFREJ, "ConfRej" }, - { LCP_TERMREQ, "TermReq" }, - { LCP_TERMACK, "TermAck" }, - { LCP_CODEREJ, "CodeRej" }, - { LCP_PROTREJ, "ProtRej" }, - { LCP_ECHOREQ, "EchoReq" }, - { LCP_ECHOREP, "EchoRep" }, - { LCP_DISCARD, "Discard" }, - { 0, NULL } -}; - - -enum { - LCP_RESERVED = 0, - LCP_MRU = 1, - LCP_ASYNCMAP = 2, - LCP_AUTHPROTO = 3, - LCP_QUALPROTO = 4, - LCP_MAGICNUM = 5, - LCP_PCOMP = 7, - LCP_ACFCOMP = 8, - LCP_CALLBACK = 13 -}; - -static struct tok lcpoption2str[] = { - { LCP_RESERVED, "reserved"}, - { LCP_MRU, "mru"}, - { LCP_ASYNCMAP, "asyncmap"}, - { LCP_AUTHPROTO, "auth"}, - { LCP_QUALPROTO, "qual"}, - { LCP_MAGICNUM, "magic"}, - { LCP_PCOMP, "pcomp"}, - { LCP_ACFCOMP, "acfcomp"}, - { LCP_CALLBACK, "callback"}, - { 0, NULL } -}; - -static struct tok lcpauth2str[] = { - {0xc023, "PAP"}, - {0xc223, "CHAP"}, - { 0, NULL } -}; - -static struct tok lcpqual2str[] = { - {0xc025, "LQR"}, - { 0, NULL } -}; - -static struct tok lcpchap2str[] = { - {0x05, "MD5"}, - {0x80, "MS"}, - { 0, NULL } -}; - -void -lcp_print(register const u_char *bp, u_int length) -{ - u_short lcp_code, lcp_id, lcp_length; - const u_char *lcp_data; - - lcp_data = bp+4; - - if (snapend < lcp_data) { - printf(" [LCP|]"); - return; - } - - lcp_code = bp[0]; - lcp_id = bp[1]; - lcp_length = EXTRACT_16BITS(bp+2); - - printf("LCP %s id=0x%x", tok2str(lcpcode2str, "LCP-#%d", lcp_code), lcp_id); - - switch (lcp_code) { - case LCP_CONFREQ: - case LCP_CONFACK: - case LCP_CONFNAK: - case LCP_CONFREJ: - /* Print Options */ - { - u_char lcpopt_type, lcpopt_length; - const u_char *p=lcp_data; - while (p+2 < lcp_data+lcp_length && p+2 < snapend) { - lcpopt_type = p[0]; - lcpopt_length = p[1]; - p+=2; - printf(" <%s ",tok2str(lcpoption2str, "option-#%d", lcpopt_type)); - if (lcpopt_length) - switch (lcpopt_type) { - case LCP_MRU: - if (snapend < p+2) return; - printf("%d",ntohs(*(u_short*)p)); - if (lcpopt_length != 4) printf(" len=%d!",lcpopt_length); - break; - case LCP_AUTHPROTO: - if (snapend < p+2) return; - printf("%s",tok2str(lcpauth2str, "AUTH-%#x", ntohs(*(u_short*)p))); - if (lcpopt_length < 4) printf(" len=%d!",lcpopt_length); - if (lcpopt_length >= 5 && p < snapend) - printf(" %s",tok2str(lcpchap2str, "%#x", p[0])); - break; - case LCP_QUALPROTO: - if (snapend < p+2) return; - printf("%s",tok2str(lcpqual2str, "QUAL-%#x", ntohs(*(u_short*)p))); - if (lcpopt_length < 4) printf(" len=%d!",lcpopt_length); - /* Print data field of auth? */ - break; - case LCP_ASYNCMAP: - case LCP_MAGICNUM: - if (snapend < p+4) return; - printf("%#x", (unsigned)ntohl(*(u_long*)p)); - if (lcpopt_length != 6) printf(" len=%d!",lcpopt_length); - break; - case LCP_PCOMP: - case LCP_ACFCOMP: - case LCP_RESERVED: - if (lcpopt_length != 2) printf(" len=%d!",lcpopt_length); - break; - default: - if (lcpopt_length != 2) printf(" len=%d",lcpopt_length); - break; - } - printf(">"); - p+=lcpopt_length-2; - } - } - break; - case LCP_ECHOREQ: - case LCP_ECHOREP: - case LCP_DISCARD: - if (snapend < lcp_data+4) return; - printf(" magic=%#x", (unsigned)ntohl(*(u_long *) lcp_data)); - lcp_data +=4; - break; - case LCP_PROTREJ: - if (snapend < lcp_data+2) return; - printf(" prot=%s", tok2str(ppptype2str, "PROT-%#x", ntohs(*(u_short *) lcp_data))); - /* TODO print rejected packet too ? */ - break; - case LCP_CODEREJ: - if (snapend < lcp_data+4) return; - printf(" "); - lcp_print(lcp_data, (lcp_length+lcp_data > snapend ? snapend-lcp_data : lcp_length)); - break; - case LCP_TERMREQ: - case LCP_TERMACK: - break; - default: - break; - } - - return; -} |
