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print type 2 route distinguishers in IP adress format

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This commit is contained in:
hannes 2004-03-16 11:39:59 +00:00
parent b285a49d96
commit 5947e8f138
1 changed files with 6 additions and 7 deletions
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13
print-bgp.c
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@ -36,7 +36,7 @@
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.78 2004-03-14 21:10:37 hannes Exp $";
"@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.79 2004-03-16 11:39:59 hannes Exp $";
#endif
#include <tcpdump-stdinc.h>
@ -511,10 +511,8 @@ decode_labeled_prefix4(const u_char *pptr, char *buf, u_int buflen)
static char *
bgp_vpn_rd_print (const u_char *pptr) {
/* allocate space for the following string
* xxx.xxx.xxx.xxx:xxxxx
* 21 bytes plus one termination byte */
static char rd[22];
/* allocate space for the largest possible string */
static char rd[sizeof("xxxxxxxxxx:xxxxx (xxx.xxx.xxx.xxx:xxxxx)")];
char *pos = rd;
/* ok lets load the RD format */
@ -534,8 +532,9 @@ bgp_vpn_rd_print (const u_char *pptr) {
/* 4-byte-AS:number fmt*/
case 2:
snprintf(pos, sizeof(rd) - (pos - rd), "%u:%u",
EXTRACT_32BITS(pptr+2), EXTRACT_16BITS(pptr+6));
snprintf(pos, sizeof(rd) - (pos - rd), "%u:%u (%u.%u.%u.%u:%u)",
EXTRACT_32BITS(pptr+2), EXTRACT_16BITS(pptr+6),
*(pptr+2), *(pptr+3), *(pptr+4), *(pptr+5), EXTRACT_16BITS(pptr+6));
break;
default:
snprintf(pos, sizeof(rd) - (pos - rd), "unknown RD format");