#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-pim.c,v 1.40 2003-11-19 09:42:05 guy Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-pim.c,v 1.41 2003-12-15 13:15:25 hannes Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#endif
#include <tcpdump-stdinc.h>
+#include "interface.h"
+
+#define PIMV2_TYPE_HELLO 0
+#define PIMV2_TYPE_REGISTER 1
+#define PIMV2_TYPE_REGISTER_STOP 2
+#define PIMV2_TYPE_JOIN_PRUNE 3
+#define PIMV2_TYPE_BOOTSTRAP 4
+#define PIMV2_TYPE_ASSERT 5
+#define PIMV2_TYPE_GRAFT 6
+#define PIMV2_TYPE_GRAFT_ACK 7
+#define PIMV2_TYPE_CANDIDATE_RP 8
+#define PIMV2_TYPE_PRUNE_REFRESH 9
+
+static struct tok pimv2_type_values[] = {
+ { PIMV2_TYPE_HELLO, "Hello" },
+ { PIMV2_TYPE_REGISTER, "Register" },
+ { PIMV2_TYPE_REGISTER_STOP, "Register Stop" },
+ { PIMV2_TYPE_JOIN_PRUNE, "Join / Prune" },
+ { PIMV2_TYPE_BOOTSTRAP, "Bootstrap" },
+ { PIMV2_TYPE_ASSERT, "Assert" },
+ { PIMV2_TYPE_GRAFT, "Graft" },
+ { PIMV2_TYPE_GRAFT_ACK, "Graft Acknowledgement" },
+ { PIMV2_TYPE_CANDIDATE_RP, "Candidate RP Advertisement" },
+ { PIMV2_TYPE_PRUNE_REFRESH, "Prune Refresh" },
+ { 0, NULL}
+};
+
+#define PIMV2_HELLO_OPTION_HOLDTIME 1
+#define PIMV2_HELLO_OPTION_LANPRUNEDELAY 2
+#define PIMV2_HELLO_OPTION_DR_PRIORITY_OLD 18
+#define PIMV2_HELLO_OPTION_DR_PRIORITY 19
+#define PIMV2_HELLO_OPTION_GENID 20
+#define PIMV2_HELLO_OPTION_REFRESH_CAP 21
+#define PIMV2_HELLO_OPTION_BIDIR_CAP 22
+#define PIMV2_HELLO_OPTION_ADDRESS_LIST 24
+#define PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD 65001
+
+static struct tok pimv2_hello_option_values[] = {
+ { PIMV2_HELLO_OPTION_HOLDTIME, "Hold Time" },
+ { PIMV2_HELLO_OPTION_LANPRUNEDELAY, "LAN Prune Delay" },
+ { PIMV2_HELLO_OPTION_DR_PRIORITY_OLD, "DR Priority (Old)" },
+ { PIMV2_HELLO_OPTION_DR_PRIORITY, "DR Priority" },
+ { PIMV2_HELLO_OPTION_GENID, "Generation ID" },
+ { PIMV2_HELLO_OPTION_REFRESH_CAP, "State Refresh Capability" },
+ { PIMV2_HELLO_OPTION_BIDIR_CAP, "Bi-Directional Capability" },
+ { PIMV2_HELLO_OPTION_ADDRESS_LIST, "Address List" },
+ { PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD, "Address List (Old)" },
+ { 0, NULL}
+};
+
/*
* XXX: We consider a case where IPv6 is not ready yet for portability,
#endif
switch (PIM_VER(pim->pim_typever)) {
- case 2: /* avoid hardcoding? */
- (void)printf("pim v2");
- pimv2_print(bp, len);
- break;
+ case 2:
+ if (!vflag) {
+ printf("PIMv%u, %s (%u), length: %u",
+ PIM_VER(pim->pim_typever),
+ tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever)),
+ PIM_TYPE(pim->pim_typever),
+ len);
+ return;
+ } else {
+ printf("PIMv%u, length: %u\n\t%s (%u)",
+ PIM_VER(pim->pim_typever),
+ len,
+ tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever)),
+ PIM_TYPE(pim->pim_typever));
+ pimv2_print(bp, len);
+ }
+ break;
default:
- (void)printf("pim v%d", PIM_VER(pim->pim_typever));
+ printf("PIMv%u, length: %u",
+ PIM_VER(pim->pim_typever),
+ len);
break;
}
return;
TCHECK(pim->pim_rsv);
pimv2_addr_len = pim->pim_rsv;
if (pimv2_addr_len != 0)
- (void)printf("[RFC2117-encoding] ");
+ (void)printf(", RFC2117-encoding");
switch (PIM_TYPE(pim->pim_typever)) {
- case 0:
+ case PIMV2_TYPE_HELLO:
{
u_int16_t otype, olen;
- (void)printf(" Hello");
bp += 4;
while (bp < ep) {
TCHECK2(bp[0], 4);
otype = EXTRACT_16BITS(&bp[0]);
olen = EXTRACT_16BITS(&bp[2]);
TCHECK2(bp[0], 4 + olen);
+
+ printf("\n\t %s Option (%u), Value: ",
+ tok2str( pimv2_hello_option_values,"Unknown",otype),
+ otype);
+ bp += 4;
+
switch (otype) {
- case 1: /* Hold time */
- (void)printf(" (Hold-time ");
- relts_print(EXTRACT_16BITS(&bp[4]));
- (void)printf(")");
- break;
+ case PIMV2_HELLO_OPTION_HOLDTIME:
+ relts_print(EXTRACT_16BITS(bp));
+ break;
- case 2: /* LAN Prune Delay */
- (void)printf(" (LAN-Prune-Delay: ");
+ case PIMV2_HELLO_OPTION_LANPRUNEDELAY:
if (olen != 4) {
- (void)printf("!olen=%d!)", olen);
+ (void)printf("ERROR: Option Lenght != 4 Bytes (%u)", olen);
} else {
char t_bit;
u_int16_t lan_delay, override_interval;
- lan_delay = EXTRACT_16BITS(&bp[4]);
- override_interval = EXTRACT_16BITS(&bp[6]);
+ lan_delay = EXTRACT_16BITS(bp);
+ override_interval = EXTRACT_16BITS(bp+2);
t_bit = (lan_delay & 0x8000)? 1 : 0;
lan_delay &= ~0x8000;
- (void)printf("T-bit=%d lan-delay=%dms override-interval=%dms)",
+ (void)printf("\n\t T-bit=%d, LAN delay %dms, Override interval %dms",
t_bit, lan_delay, override_interval);
}
break;
- case 18: /* Old DR-Priority */
- if (olen == 4)
- (void)printf(" (OLD-DR-Priority: %d)",
- EXTRACT_32BITS(&bp[4]));
- else
- goto unknown;
- break;
-
-
- case 19: /* DR-Priority */
- if (olen == 0) {
- (void)printf(" (OLD-bidir-capable)");
- break;
- }
- (void)printf(" (DR-Priority: ");
- if (olen != 4) {
- (void)printf("!olen=%d!)", olen);
- } else {
- (void)printf("%d)", EXTRACT_32BITS(&bp[4]));
- }
- break;
-
- case 20:
- (void)printf(" (Genid: 0x%08x)", EXTRACT_32BITS(&bp[4]));
+ case PIMV2_HELLO_OPTION_DR_PRIORITY_OLD:
+ case PIMV2_HELLO_OPTION_DR_PRIORITY:
+ switch (olen) {
+ case 0:
+ printf("Bi-Directional Capability (Old)");
+ break;
+ case 4:
+ printf("%u", EXTRACT_32BITS(bp));
+ break;
+ default:
+ printf("ERROR: Option Lenght != 4 Bytes (%u)", olen);
+ break;
+ }
+ break;
+
+ case PIMV2_HELLO_OPTION_GENID:
+ (void)printf("0x%08x", EXTRACT_32BITS(bp));
break;
- case 21:
- (void)printf(" (State Refresh Capable; v%d", bp[4]);
- if (bp[5] != 0) {
- (void)printf(" interval ");
- relts_print(bp[5]);
+ case PIMV2_HELLO_OPTION_REFRESH_CAP:
+ (void)printf("v%d", *bp);
+ if (*(bp+1) != 0) {
+ (void)printf(", interval ");
+ relts_print(*(bp+1));
}
- if (EXTRACT_16BITS(&bp[6]) != 0) {
- (void)printf(" ?0x%04x?", EXTRACT_16BITS(&bp[6]));
+ if (EXTRACT_16BITS(bp+2) != 0) {
+ (void)printf(" ?0x%04x?", EXTRACT_16BITS(bp+2));
}
- (void)printf(")");
break;
- case 22: /* Bidir-Capable */
- (void)printf(" (bidir-capable)");
+ case PIMV2_HELLO_OPTION_BIDIR_CAP:
break;
- case 24: /* Address List */
- case 65001: /* Address List (old implementations) */
- (void)printf(" (%saddr-list",
- otype == 65001 ? "old" : "");
+ case PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD:
+ case PIMV2_HELLO_OPTION_ADDRESS_LIST:
if (vflag > 1) {
- const u_char *ptr = &bp[4];
- while (ptr < &bp[4 + olen]) {
+ const u_char *ptr = bp;
+ while (ptr < (bp+olen)) {
int advance;
- printf(" ");
+ printf("\n\t ");
advance = pimv2_addr_print(ptr, pimv2_unicast, 0);
if (advance < 0) {
printf("...");
ptr += advance;
}
}
- (void)printf(")");
break;
default:
- unknown:
- if (vflag)
- (void)printf(" [Hello option %d]", otype);
+ if (vflag <= 1)
+ print_unknown_data(bp,"\n\t ",olen);
+ break;
}
- bp += 4 + olen;
+ /* do we want to see an additionally hexdump ? */
+ if (vflag> 1)
+ print_unknown_data(bp,"\n\t ",olen);
+ bp += olen;
}
break;
}
- case 1:
+ case PIMV2_TYPE_REGISTER:
{
struct ip *ip;
- (void)printf(" Register");
if (vflag && bp + 8 <= ep) {
(void)printf(" %s%s", bp[4] & 0x80 ? "B" : "",
bp[4] & 0x40 ? "N" : "");
break;
}
- case 2:
- (void)printf(" Register-Stop");
+ case PIMV2_TYPE_REGISTER_STOP:
bp += 4; len -= 4;
if (bp >= ep)
break;
bp += advance; len -= advance;
break;
- case 3:
- case 6:
- case 7:
+ case PIMV2_TYPE_JOIN_PRUNE:
+ case PIMV2_TYPE_GRAFT:
+ case PIMV2_TYPE_GRAFT_ACK:
{
u_int8_t ngroup;
u_int16_t holdtime;
u_int16_t nprune;
int i, j;
- switch (PIM_TYPE(pim->pim_typever)) {
- case 3:
- (void)printf(" Join/Prune");
- break;
- case 6:
- (void)printf(" Graft");
- break;
- case 7:
- (void)printf(" Graft-ACK");
- break;
- }
bp += 4; len -= 4;
if (PIM_TYPE(pim->pim_typever) != 7) { /*not for Graft-ACK*/
if (bp >= ep)
break;
}
- case 4:
+ case PIMV2_TYPE_BOOTSTRAP:
{
int i, j, frpcnt;
-
- (void)printf(" Bootstrap");
bp += 4;
/* Fragment Tag, Hash Mask len, and BSR-priority */
bs_done:
break;
}
- case 5:
- (void)printf(" Assert");
+ case PIMV2_TYPE_ASSERT:
bp += 4; len -= 4;
if (bp >= ep)
break;
(void)printf(" metric=%u", EXTRACT_32BITS(&bp[4]));
break;
- case 8:
+ case PIMV2_TYPE_CANDIDATE_RP:
{
int i, pfxcnt;
-
- (void)printf(" Candidate-RP-Advertisement");
bp += 4;
/* Prefix-Cnt, Priority, and Holdtime */
break;
}
- case 9:
- (void)printf(" Prune-Refresh");
+ case PIMV2_TYPE_PRUNE_REFRESH:
(void)printf(" src=");
if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
(void)printf("...");
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