diff options
Diffstat (limited to 'contrib/tcpdump/print-pppoe.c')
-rw-r--r-- | contrib/tcpdump/print-pppoe.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/contrib/tcpdump/print-pppoe.c b/contrib/tcpdump/print-pppoe.c deleted file mode 100644 index 229b5eef60af..000000000000 --- a/contrib/tcpdump/print-pppoe.c +++ /dev/null @@ -1,209 +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. - * - * Original code by Greg Stark <gsstark@mit.edu> - */ - -#ifndef lint -static const char rcsid[] _U_ = -"@(#) $Header: /tcpdump/master/tcpdump/print-pppoe.c,v 1.30.2.1 2005/04/26 19:48:56 guy Exp $ (LBL)"; -#endif - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <tcpdump-stdinc.h> - -#include <stdio.h> -#include <string.h> - -#include "interface.h" -#include "addrtoname.h" -#include "ppp.h" -#include "ethertype.h" -#include "ether.h" -#include "extract.h" /* must come after interface.h */ - -/* Codes */ -enum { - PPPOE_PADI = 0x09, - PPPOE_PADO = 0x07, - PPPOE_PADR = 0x19, - PPPOE_PADS = 0x65, - PPPOE_PADT = 0xa7 -}; - -static struct tok pppoecode2str[] = { - { PPPOE_PADI, "PADI" }, - { PPPOE_PADO, "PADO" }, - { PPPOE_PADR, "PADR" }, - { PPPOE_PADS, "PADS" }, - { PPPOE_PADT, "PADT" }, - { 0, "" }, /* PPP Data */ - { 0, NULL } -}; - -/* Tags */ -enum { - PPPOE_EOL = 0, - PPPOE_SERVICE_NAME = 0x0101, - PPPOE_AC_NAME = 0x0102, - PPPOE_HOST_UNIQ = 0x0103, - PPPOE_AC_COOKIE = 0x0104, - PPPOE_VENDOR = 0x0105, - PPPOE_RELAY_SID = 0x0110, - PPPOE_SERVICE_NAME_ERROR = 0x0201, - PPPOE_AC_SYSTEM_ERROR = 0x0202, - PPPOE_GENERIC_ERROR = 0x0203 -}; - -static struct tok pppoetag2str[] = { - { PPPOE_EOL, "EOL" }, - { PPPOE_SERVICE_NAME, "Service-Name" }, - { PPPOE_AC_NAME, "AC-Name" }, - { PPPOE_HOST_UNIQ, "Host-Uniq" }, - { PPPOE_AC_COOKIE, "AC-Cookie" }, - { PPPOE_VENDOR, "Vendor-Specific" }, - { PPPOE_RELAY_SID, "Relay-Session-ID" }, - { PPPOE_SERVICE_NAME_ERROR, "Service-Name-Error" }, - { PPPOE_AC_SYSTEM_ERROR, "AC-System-Error" }, - { PPPOE_GENERIC_ERROR, "Generic-Error" }, - { 0, NULL } -}; - -#define PPPOE_HDRLEN 6 -#define MAXTAGPRINT 80 - -u_int -pppoe_if_print(const struct pcap_pkthdr *h, register const u_char *p) -{ - return (pppoe_print(p, h->len)); -} - -u_int -pppoe_print(register const u_char *bp, u_int length) -{ - u_int16_t pppoe_ver, pppoe_type, pppoe_code, pppoe_sessionid; - u_int pppoe_length; - const u_char *pppoe_packet, *pppoe_payload; - - if (length < PPPOE_HDRLEN) { - (void)printf("truncated-pppoe %u", length); - return (length); - } - length -= PPPOE_HDRLEN; - pppoe_packet = bp; - TCHECK2(*pppoe_packet, PPPOE_HDRLEN); - pppoe_ver = (pppoe_packet[0] & 0xF0) >> 4; - pppoe_type = (pppoe_packet[0] & 0x0F); - pppoe_code = pppoe_packet[1]; - pppoe_sessionid = EXTRACT_16BITS(pppoe_packet + 2); - pppoe_length = EXTRACT_16BITS(pppoe_packet + 4); - pppoe_payload = pppoe_packet + PPPOE_HDRLEN; - - if (pppoe_ver != 1) { - printf(" [ver %d]",pppoe_ver); - } - if (pppoe_type != 1) { - printf(" [type %d]",pppoe_type); - } - - printf("PPPoE %s", tok2str(pppoecode2str, "PAD-%x", pppoe_code)); - if (pppoe_code == PPPOE_PADI && pppoe_length > 1484 - PPPOE_HDRLEN) { - printf(" [len %u!]",pppoe_length); - } - if (pppoe_length > length) { - printf(" [len %u > %u!]", pppoe_length, length); - pppoe_length = length; - } - if (pppoe_sessionid) { - printf(" [ses 0x%x]", pppoe_sessionid); - } - - if (pppoe_code) { - /* PPP session packets don't contain tags */ - u_short tag_type = 0xffff, tag_len; - const u_char *p = pppoe_payload; - - /* - * loop invariant: - * p points to current tag, - * tag_type is previous tag or 0xffff for first iteration - */ - while (tag_type && p < pppoe_payload + pppoe_length) { - TCHECK2(*p, 4); - tag_type = EXTRACT_16BITS(p); - tag_len = EXTRACT_16BITS(p + 2); - p += 4; - /* p points to tag_value */ - - if (tag_len) { - unsigned isascii = 0, isgarbage = 0; - const u_char *v = p; - char tag_str[MAXTAGPRINT]; - unsigned tag_str_len = 0; - - /* TODO print UTF-8 decoded text */ - TCHECK2(*p, tag_len); - for (v = p; v < p + tag_len && tag_str_len < MAXTAGPRINT-1; v++) - if (*v >= 32 && *v < 127) { - tag_str[tag_str_len++] = *v; - isascii++; - } else { - tag_str[tag_str_len++] = '.'; - isgarbage++; - } - tag_str[tag_str_len] = 0; - - if (isascii > isgarbage) { - printf(" [%s \"%*.*s\"]", - tok2str(pppoetag2str, "TAG-0x%x", tag_type), - (int)tag_str_len, - (int)tag_str_len, - tag_str); - } else { - /* Print hex, not fast to abuse printf but this doesn't get used much */ - printf(" [%s 0x", tok2str(pppoetag2str, "TAG-0x%x", tag_type)); - for (v=p; v<p+tag_len; v++) { - printf("%02X", *v); - } - printf("]"); - } - - - } else - printf(" [%s]", tok2str(pppoetag2str, - "TAG-0x%x", tag_type)); - - p += tag_len; - /* p points to next tag */ - } - return (0); - } else { - /* PPPoE data */ - printf(" "); - return (PPPOE_HDRLEN + ppp_print(pppoe_payload, pppoe_length)); - } - -trunc: - printf("[|pppoe]"); - return (PPPOE_HDRLEN); -} |