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-rw-r--r--contrib/tcpdump/print-cdp.c366
1 files changed, 0 insertions, 366 deletions
diff --git a/contrib/tcpdump/print-cdp.c b/contrib/tcpdump/print-cdp.c
deleted file mode 100644
index 4398fbe..0000000
--- a/contrib/tcpdump/print-cdp.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * Copyright (c) 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.
- *
- * Code by Gert Doering, SpaceNet GmbH, gert@space.net
- *
- * Reference documentation:
- * http://www.cisco.com/univercd/cc/td/doc/product/lan/trsrb/frames.htm
- */
-
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-cdp.c,v 1.25 2004/10/07 14:53:11 hannes Exp $";
-#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 "extract.h" /* must come after interface.h */
-#include "nlpid.h"
-
-#define CDP_HEADER_LEN 4
-
-static struct tok cdp_tlv_values[] = {
- { 0x01, "Device-ID"},
- { 0x02, "Address"},
- { 0x03, "Port-ID"},
- { 0x04, "Capability"},
- { 0x05, "Version String"},
- { 0x06, "Platform"},
- { 0x07, "Prefixes"},
- { 0x08, "Protocol-Hello option"},
- { 0x09, "VTP Management Domain"},
- { 0x0a, "Native VLAN ID"},
- { 0x0b, "Duplex"},
- { 0x0e, "ATA-186 VoIP VLAN request"},
- { 0x0f, "ATA-186 VoIP VLAN assignment"},
- { 0x10, "power consumption"},
- { 0x11, "MTU"},
- { 0x12, "AVVID trust bitmap"},
- { 0x13, "AVVID untrusted ports CoS"},
- { 0x14, "System Name"},
- { 0x15, "System Object ID (not decoded)"},
- { 0x16, "Management Addresses"},
- { 0x17, "Physical Location"},
- { 0, NULL}
-};
-
-static struct tok cdp_capability_values[] = {
- { 0x01, "Router" },
- { 0x02, "Transparent Bridge" },
- { 0x04, "Source Route Bridge" },
- { 0x08, "L2 Switch" },
- { 0x10, "L3 capable" },
- { 0x20, "IGMP snooping" },
- { 0x40, "L1 capable" },
- { 0, NULL }
-};
-
-static int cdp_print_addr(const u_char *, int);
-static int cdp_print_prefixes(const u_char *, int);
-static unsigned long cdp_get_number(const u_char *, int);
-
-void
-cdp_print(const u_char *pptr, u_int length, u_int caplen)
-{
- int type, len, i, j;
- const u_char *tptr;
-
- if (caplen < CDP_HEADER_LEN) {
- (void)printf("[|cdp]");
- return;
- }
-
- tptr = pptr; /* temporary pointer */
-
- if (!TTEST2(*tptr, CDP_HEADER_LEN))
- goto trunc;
- printf("CDPv%u, ttl: %us", *tptr, *(tptr+1));
- if (vflag)
- printf(", checksum: %u (unverified), length %u", EXTRACT_16BITS(tptr), length);
- tptr += CDP_HEADER_LEN;
-
- while (tptr < (pptr+length)) {
-
- if (!TTEST2(*tptr, 4)) /* read out Type and Length */
- goto trunc;
- type = EXTRACT_16BITS(tptr);
- len = EXTRACT_16BITS(tptr+2); /* object length includes the 4 bytes header length */
- tptr += 4;
- len -= 4;
-
- if (!TTEST2(*tptr, len))
- goto trunc;
-
- if (vflag || type == 1) { /* in non-verbose mode just print Device-ID */
-
- if (vflag)
- printf("\n\t%s (0x%02x), length: %u byte%s: ",
- tok2str(cdp_tlv_values,"unknown field type", type),
- type,
- len,
- len>1 ? "s" : ""); /* plural */
-
- switch (type) {
-
- case 0x01: /* Device-ID */
- if (!vflag)
- printf(", Device-ID '%.*s'", len, tptr);
- else
- printf("'%.*s'", len, tptr);
- break;
- case 0x02: /* Address */
- if (cdp_print_addr(tptr, len) < 0)
- goto trunc;
- break;
- case 0x03: /* Port-ID */
- printf("'%.*s'", len, tptr);
- break;
- case 0x04: /* Capabilities */
- printf("(0x%08x): %s",
- EXTRACT_32BITS(tptr),
- bittok2str(cdp_capability_values, "none",EXTRACT_32BITS(tptr)));
- break;
- case 0x05: /* Version */
- printf("\n\t ");
- for (i=0;i<len;i++) {
- j = *(tptr+i);
- putchar(j);
- if (j == 0x0a) /* lets rework the version string to get a nice identation */
- printf("\t ");
- }
- break;
- case 0x06: /* Platform */
- printf("'%.*s'", len, tptr);
- break;
- case 0x07: /* Prefixes */
- if (cdp_print_prefixes(tptr, len) < 0)
- goto trunc;
- break;
- case 0x08: /* Protocol Hello Option - not documented */
- break;
- case 0x09: /* VTP Mgmt Domain - not documented */
- printf("'%.*s'", len,tptr);
- break;
- case 0x0a: /* Native VLAN ID - not documented */
- printf("%d",EXTRACT_16BITS(tptr));
- break;
- case 0x0b: /* Duplex - not documented */
- printf("%s", *(tptr) ? "full": "half");
- break;
-
- /* http://www.cisco.com/univercd/cc/td/doc/product/voice/ata/atarn/186rn21m.htm
- * plus more details from other sources
- */
- case 0x0e: /* ATA-186 VoIP VLAN request - incomplete doc. */
- printf("app %d, vlan %d",
- *(tptr), EXTRACT_16BITS(tptr+1));
- break;
- case 0x10: /* ATA-186 VoIP VLAN assignment - incomplete doc. */
- printf("%1.2fW",
- cdp_get_number(tptr, len)/1000.0 );
- break;
- case 0x11: /* MTU - not documented */
- printf("%u bytes", EXTRACT_32BITS(tptr));
- break;
- case 0x12: /* AVVID trust bitmap - not documented */
- printf("0x%02x", *(tptr) );
- break;
- case 0x13: /* AVVID untrusted port CoS - not documented */
- printf("0x%02x", *(tptr));
- break;
- case 0x14: /* System Name - not documented */
- printf("'%.*s'", len, tptr);
- break;
- case 0x16: /* System Object ID - not documented */
- if (cdp_print_addr(tptr, len) < 0)
- goto trunc;
- break;
- case 0x17: /* Physical Location - not documented */
- printf("0x%02x/%.*s", *(tptr), len - 1, tptr + 1 );
- break;
- default:
- print_unknown_data(tptr,"\n\t ",len);
- break;
- }
- }
- /* avoid infinite loop */
- if (len == 0)
- break;
- tptr = tptr+len;
- }
- if (vflag < 1)
- printf(", length %u",caplen);
-
- return;
-trunc:
- printf("[|cdp]");
-}
-
-/*
- * Protocol type values.
- *
- * PT_NLPID means that the protocol type field contains an OSI NLPID.
- *
- * PT_IEEE_802_2 means that the protocol type field contains an IEEE 802.2
- * LLC header that specifies that the payload is for that protocol.
- */
-#define PT_NLPID 1 /* OSI NLPID */
-#define PT_IEEE_802_2 2 /* IEEE 802.2 LLC header */
-
-static int
-cdp_print_addr(const u_char * p, int l)
-{
- int pt, pl, al, num;
- const u_char *endp = p + l;
-#ifdef INET6
- static u_char prot_ipv6[] = {
- 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x86, 0xdd
- };
-#endif
-
- TCHECK2(*p, 2);
- num = EXTRACT_32BITS(p);
- p += 4;
-
- while (p < endp && num >= 0) {
- TCHECK2(*p, 2);
- if (p + 2 > endp)
- goto trunc;
- pt = p[0]; /* type of "protocol" field */
- pl = p[1]; /* length of "protocol" field */
- p += 2;
-
- TCHECK2(p[pl], 2);
- if (p + pl + 2 > endp)
- goto trunc;
- al = EXTRACT_16BITS(&p[pl]); /* address length */
-
- if (pt == PT_NLPID && pl == 1 && *p == NLPID_IP && al == 4) {
- /*
- * IPv4: protocol type = NLPID, protocol length = 1
- * (1-byte NLPID), protocol = 0xcc (NLPID for IPv4),
- * address length = 4
- */
- p += 3;
-
- TCHECK2(*p, 4);
- if (p + 4 > endp)
- goto trunc;
- printf("IPv4 (%u) %s",
- num,
- ipaddr_string(p));
- p += 4;
- }
-#ifdef INET6
- else if (pt == PT_IEEE_802_2 && pl == 8 &&
- memcmp(p, prot_ipv6, 8) == 0 && al == 16) {
- /*
- * IPv6: protocol type = IEEE 802.2 header,
- * protocol length = 8 (size of LLC+SNAP header),
- * protocol = LLC+SNAP header with the IPv6
- * Ethertype, address length = 16
- */
- p += 10;
- TCHECK2(*p, al);
- if (p + al > endp)
- goto trunc;
-
- printf("IPv6 (%u) %s",
- num,
- ip6addr_string(p));
- p += al;
- }
-#endif
- else {
- /*
- * Generic case: just print raw data
- */
- TCHECK2(*p, pl);
- if (p + pl > endp)
- goto trunc;
- printf("pt=0x%02x, pl=%d, pb=", *(p - 2), pl);
- while (pl-- > 0)
- printf(" %02x", *p++);
- TCHECK2(*p, 2);
- if (p + 2 > endp)
- goto trunc;
- al = (*p << 8) + *(p + 1);
- printf(", al=%d, a=", al);
- p += 2;
- TCHECK2(*p, al);
- if (p + al > endp)
- goto trunc;
- while (al-- > 0)
- printf(" %02x", *p++);
- }
- num--;
- if (num)
- printf(" ");
- }
-
- return 0;
-
-trunc:
- return -1;
-}
-
-
-static int
-cdp_print_prefixes(const u_char * p, int l)
-{
- if (l % 5)
- goto trunc;
-
- printf(" IPv4 Prefixes (%d):", l / 5);
-
- while (l > 0) {
- printf(" %u.%u.%u.%u/%u", p[0], p[1], p[2], p[3], p[4]);
- l -= 5;
- p += 5;
- }
-
- return 0;
-
-trunc:
- return -1;
-}
-
-/* read in a <n>-byte number, MSB first
- * (of course this can handle max sizeof(long))
- */
-static unsigned long cdp_get_number(const u_char * p, int l)
-{
- unsigned long res=0;
- while( l>0 )
- {
- res = (res<<8) + *p;
- p++; l--;
- }
- return res;
-}
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