* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-pim.c,v 1.44 2004-09-29 16:49:31 hannes Exp $ (LBL)";
-#endif
-
+#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
+
#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#include "ip.h"
+
+#define PIMV1_TYPE_QUERY 0
+#define PIMV1_TYPE_REGISTER 1
+#define PIMV1_TYPE_REGISTER_STOP 2
+#define PIMV1_TYPE_JOIN_PRUNE 3
+#define PIMV1_TYPE_RP_REACHABILITY 4
+#define PIMV1_TYPE_ASSERT 5
+#define PIMV1_TYPE_GRAFT 6
+#define PIMV1_TYPE_GRAFT_ACK 7
+
+static const struct tok pimv1_type_str[] = {
+ { PIMV1_TYPE_QUERY, "Query" },
+ { PIMV1_TYPE_REGISTER, "Register" },
+ { PIMV1_TYPE_REGISTER_STOP, "Register-Stop" },
+ { PIMV1_TYPE_JOIN_PRUNE, "Join/Prune" },
+ { PIMV1_TYPE_RP_REACHABILITY, "RP-reachable" },
+ { PIMV1_TYPE_ASSERT, "Assert" },
+ { PIMV1_TYPE_GRAFT, "Graft" },
+ { PIMV1_TYPE_GRAFT_ACK, "Graft-ACK" },
+ { 0, NULL }
+};
#define PIMV2_TYPE_HELLO 0
#define PIMV2_TYPE_REGISTER 1
#define PIMV2_TYPE_GRAFT_ACK 7
#define PIMV2_TYPE_CANDIDATE_RP 8
#define PIMV2_TYPE_PRUNE_REFRESH 9
+#define PIMV2_TYPE_DF_ELECTION 10
+#define PIMV2_TYPE_ECMP_REDIRECT 11
-static struct tok pimv2_type_values[] = {
+static const struct tok pimv2_type_values[] = {
{ PIMV2_TYPE_HELLO, "Hello" },
{ PIMV2_TYPE_REGISTER, "Register" },
{ PIMV2_TYPE_REGISTER_STOP, "Register Stop" },
{ PIMV2_TYPE_GRAFT_ACK, "Graft Acknowledgement" },
{ PIMV2_TYPE_CANDIDATE_RP, "Candidate RP Advertisement" },
{ PIMV2_TYPE_PRUNE_REFRESH, "Prune Refresh" },
+ { PIMV2_TYPE_DF_ELECTION, "DF Election" },
+ { PIMV2_TYPE_ECMP_REDIRECT, "ECMP Redirect" },
{ 0, NULL}
};
#define PIMV2_HELLO_OPTION_ADDRESS_LIST 24
#define PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD 65001
-static struct tok pimv2_hello_option_values[] = {
+static const 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)" },
{ 0, NULL}
};
+#define PIMV2_REGISTER_FLAG_LEN 4
+#define PIMV2_REGISTER_FLAG_BORDER 0x80000000
+#define PIMV2_REGISTER_FLAG_NULL 0x40000000
+
+static const struct tok pimv2_register_flag_values[] = {
+ { PIMV2_REGISTER_FLAG_BORDER, "Border" },
+ { PIMV2_REGISTER_FLAG_NULL, "Null" },
+ { 0, NULL}
+};
/*
* XXX: We consider a case where IPv6 is not ready yet for portability,
*/
struct pim {
- u_int8_t pim_typever;
+ uint8_t pim_typever;
/* upper 4bit: PIM version number; 2 for PIMv2 */
/* lower 4bit: the PIM message type, currently they are:
* Hello, Register, Register-Stop, Join/Prune,
u_short pim_cksum; /* IP style check sum */
};
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "interface.h"
-#include "addrtoname.h"
-#include "extract.h"
-
-#include "ip.h"
-
-static void pimv2_print(register const u_char *bp, register u_int len);
+static void pimv2_print(netdissect_options *, register const u_char *bp, register u_int len, u_int cksum);
static void
-pimv1_join_prune_print(register const u_char *bp, register u_int len)
+pimv1_join_prune_print(netdissect_options *ndo,
+ register const u_char *bp, register u_int len)
{
- int maddrlen, addrlen, ngroups, njoin, nprune;
+ int ngroups, njoin, nprune;
int njp;
/* If it's a single group and a single source, use 1-line output. */
- if (TTEST2(bp[0], 30) && bp[11] == 1 &&
+ if (ND_TTEST2(bp[0], 30) && bp[11] == 1 &&
((njoin = EXTRACT_16BITS(&bp[20])) + EXTRACT_16BITS(&bp[22])) == 1) {
int hold;
- (void)printf(" RPF %s ", ipaddr_string(bp));
+ ND_PRINT((ndo, " RPF %s ", ipaddr_string(ndo, bp)));
hold = EXTRACT_16BITS(&bp[6]);
if (hold != 180) {
- (void)printf("Hold ");
- relts_print(hold);
+ ND_PRINT((ndo, "Hold "));
+ relts_print(ndo, hold);
}
- (void)printf("%s (%s/%d, %s", njoin ? "Join" : "Prune",
- ipaddr_string(&bp[26]), bp[25] & 0x3f,
- ipaddr_string(&bp[12]));
+ ND_PRINT((ndo, "%s (%s/%d, %s", njoin ? "Join" : "Prune",
+ ipaddr_string(ndo, &bp[26]), bp[25] & 0x3f,
+ ipaddr_string(ndo, &bp[12])));
if (EXTRACT_32BITS(&bp[16]) != 0xffffffff)
- (void)printf("/%s", ipaddr_string(&bp[16]));
- (void)printf(") %s%s %s",
+ ND_PRINT((ndo, "/%s", ipaddr_string(ndo, &bp[16])));
+ ND_PRINT((ndo, ") %s%s %s",
(bp[24] & 0x01) ? "Sparse" : "Dense",
(bp[25] & 0x80) ? " WC" : "",
- (bp[25] & 0x40) ? "RP" : "SPT");
+ (bp[25] & 0x40) ? "RP" : "SPT"));
return;
}
- TCHECK2(bp[0], 4);
- if (vflag > 1)
- (void)printf("\n");
- (void)printf(" Upstream Nbr: %s", ipaddr_string(bp));
- TCHECK2(bp[6], 2);
- if (vflag > 1)
- (void)printf("\n");
- (void)printf(" Hold time: ");
- relts_print(EXTRACT_16BITS(&bp[6]));
- if (vflag < 2)
+ ND_TCHECK2(bp[0], sizeof(struct in_addr));
+ if (ndo->ndo_vflag > 1)
+ ND_PRINT((ndo, "\n"));
+ ND_PRINT((ndo, " Upstream Nbr: %s", ipaddr_string(ndo, bp)));
+ ND_TCHECK2(bp[6], 2);
+ if (ndo->ndo_vflag > 1)
+ ND_PRINT((ndo, "\n"));
+ ND_PRINT((ndo, " Hold time: "));
+ relts_print(ndo, EXTRACT_16BITS(&bp[6]));
+ if (ndo->ndo_vflag < 2)
return;
bp += 8;
len -= 8;
- TCHECK2(bp[0], 4);
- maddrlen = bp[1];
- addrlen = bp[2];
+ ND_TCHECK2(bp[0], 4);
ngroups = bp[3];
bp += 4;
len -= 4;
while (ngroups--) {
- TCHECK2(bp[0], 4);
- (void)printf("\n\tGroup: %s", ipaddr_string(bp));
- TCHECK2(bp[4], 4);
+ /*
+ * XXX - does the address have length "addrlen" and the
+ * mask length "maddrlen"?
+ */
+ ND_TCHECK2(bp[0], sizeof(struct in_addr));
+ ND_PRINT((ndo, "\n\tGroup: %s", ipaddr_string(ndo, bp)));
+ ND_TCHECK2(bp[4], sizeof(struct in_addr));
if (EXTRACT_32BITS(&bp[4]) != 0xffffffff)
- (void)printf("/%s", ipaddr_string(&bp[4]));
- TCHECK2(bp[8], 4);
+ ND_PRINT((ndo, "/%s", ipaddr_string(ndo, &bp[4])));
+ ND_TCHECK2(bp[8], 4);
njoin = EXTRACT_16BITS(&bp[8]);
nprune = EXTRACT_16BITS(&bp[10]);
- (void)printf(" joined: %d pruned: %d", njoin, nprune);
+ ND_PRINT((ndo, " joined: %d pruned: %d", njoin, nprune));
bp += 12;
len -= 12;
for (njp = 0; njp < (njoin + nprune); njp++) {
type = "Join ";
else
type = "Prune";
- TCHECK2(bp[0], 6);
- (void)printf("\n\t%s %s%s%s%s/%d", type,
+ ND_TCHECK2(bp[0], 6);
+ ND_PRINT((ndo, "\n\t%s %s%s%s%s/%d", type,
(bp[0] & 0x01) ? "Sparse " : "Dense ",
(bp[1] & 0x80) ? "WC " : "",
(bp[1] & 0x40) ? "RP " : "SPT ",
- ipaddr_string(&bp[2]), bp[1] & 0x3f);
+ ipaddr_string(ndo, &bp[2]), bp[1] & 0x3f));
bp += 6;
len -= 6;
}
}
return;
trunc:
- (void)printf("[|pim]");
+ ND_PRINT((ndo, "[|pim]"));
return;
}
void
-pimv1_print(register const u_char *bp, register u_int len)
+pimv1_print(netdissect_options *ndo,
+ register const u_char *bp, register u_int len)
{
register const u_char *ep;
register u_char type;
- ep = (const u_char *)snapend;
+ ep = (const u_char *)ndo->ndo_snapend;
if (bp >= ep)
return;
- TCHECK(bp[1]);
+ ND_TCHECK(bp[1]);
type = bp[1];
+ ND_PRINT((ndo, " %s", tok2str(pimv1_type_str, "[type %u]", type)));
switch (type) {
- case 0:
- (void)printf(" Query");
- if (TTEST(bp[8])) {
+ case PIMV1_TYPE_QUERY:
+ if (ND_TTEST(bp[8])) {
switch (bp[8] >> 4) {
case 0:
- (void)printf(" Dense-mode");
+ ND_PRINT((ndo, " Dense-mode"));
break;
case 1:
- (void)printf(" Sparse-mode");
+ ND_PRINT((ndo, " Sparse-mode"));
break;
case 2:
- (void)printf(" Sparse-Dense-mode");
+ ND_PRINT((ndo, " Sparse-Dense-mode"));
break;
default:
- (void)printf(" mode-%d", bp[8] >> 4);
+ ND_PRINT((ndo, " mode-%d", bp[8] >> 4));
break;
}
}
- if (vflag) {
- TCHECK2(bp[10],2);
- (void)printf(" (Hold-time ");
- relts_print(EXTRACT_16BITS(&bp[10]));
- (void)printf(")");
+ if (ndo->ndo_vflag) {
+ ND_TCHECK2(bp[10],2);
+ ND_PRINT((ndo, " (Hold-time "));
+ relts_print(ndo, EXTRACT_16BITS(&bp[10]));
+ ND_PRINT((ndo, ")"));
}
break;
- case 1:
- (void)printf(" Register");
- TCHECK2(bp[8], 20); /* ip header */
- (void)printf(" for %s > %s", ipaddr_string(&bp[20]),
- ipaddr_string(&bp[24]));
- break;
- case 2:
- (void)printf(" Register-Stop");
- TCHECK2(bp[12], 4);
- (void)printf(" for %s > %s", ipaddr_string(&bp[8]),
- ipaddr_string(&bp[12]));
+ case PIMV1_TYPE_REGISTER:
+ ND_TCHECK2(bp[8], 20); /* ip header */
+ ND_PRINT((ndo, " for %s > %s", ipaddr_string(ndo, &bp[20]),
+ ipaddr_string(ndo, &bp[24])));
break;
- case 3:
- (void)printf(" Join/Prune");
- if (vflag)
- pimv1_join_prune_print(&bp[8], len - 8);
+ case PIMV1_TYPE_REGISTER_STOP:
+ ND_TCHECK2(bp[12], sizeof(struct in_addr));
+ ND_PRINT((ndo, " for %s > %s", ipaddr_string(ndo, &bp[8]),
+ ipaddr_string(ndo, &bp[12])));
break;
- case 4:
- (void)printf(" RP-reachable");
- if (vflag) {
- TCHECK2(bp[22], 2);
- (void)printf(" group %s",
- ipaddr_string(&bp[8]));
+ case PIMV1_TYPE_RP_REACHABILITY:
+ if (ndo->ndo_vflag) {
+ ND_TCHECK2(bp[22], 2);
+ ND_PRINT((ndo, " group %s", ipaddr_string(ndo, &bp[8])));
if (EXTRACT_32BITS(&bp[12]) != 0xffffffff)
- (void)printf("/%s", ipaddr_string(&bp[12]));
- (void)printf(" RP %s hold ", ipaddr_string(&bp[16]));
- relts_print(EXTRACT_16BITS(&bp[22]));
+ ND_PRINT((ndo, "/%s", ipaddr_string(ndo, &bp[12])));
+ ND_PRINT((ndo, " RP %s hold ", ipaddr_string(ndo, &bp[16])));
+ relts_print(ndo, EXTRACT_16BITS(&bp[22]));
}
break;
- case 5:
- (void)printf(" Assert");
- TCHECK2(bp[16], 4);
- (void)printf(" for %s > %s", ipaddr_string(&bp[16]),
- ipaddr_string(&bp[8]));
+ case PIMV1_TYPE_ASSERT:
+ ND_TCHECK2(bp[16], sizeof(struct in_addr));
+ ND_PRINT((ndo, " for %s > %s", ipaddr_string(ndo, &bp[16]),
+ ipaddr_string(ndo, &bp[8])));
if (EXTRACT_32BITS(&bp[12]) != 0xffffffff)
- (void)printf("/%s", ipaddr_string(&bp[12]));
- TCHECK2(bp[24], 4);
- (void)printf(" %s pref %d metric %d",
+ ND_PRINT((ndo, "/%s", ipaddr_string(ndo, &bp[12])));
+ ND_TCHECK2(bp[24], 4);
+ ND_PRINT((ndo, " %s pref %d metric %d",
(bp[20] & 0x80) ? "RP-tree" : "SPT",
EXTRACT_32BITS(&bp[20]) & 0x7fffffff,
- EXTRACT_32BITS(&bp[24]));
+ EXTRACT_32BITS(&bp[24])));
break;
- case 6:
- (void)printf(" Graft");
- if (vflag)
- pimv1_join_prune_print(&bp[8], len - 8);
- break;
- case 7:
- (void)printf(" Graft-ACK");
- if (vflag)
- pimv1_join_prune_print(&bp[8], len - 8);
- break;
- case 8:
- (void)printf(" Mode");
- break;
- default:
- (void)printf(" [type %d]", type);
+ case PIMV1_TYPE_JOIN_PRUNE:
+ case PIMV1_TYPE_GRAFT:
+ case PIMV1_TYPE_GRAFT_ACK:
+ if (ndo->ndo_vflag)
+ pimv1_join_prune_print(ndo, &bp[8], len - 8);
break;
}
if ((bp[4] >> 4) != 1)
- (void)printf(" [v%d]", bp[4] >> 4);
+ ND_PRINT((ndo, " [v%d]", bp[4] >> 4));
return;
trunc:
- (void)printf("[|pim]");
+ ND_PRINT((ndo, "[|pim]"));
return;
}
* This implements version 1+, dated Sept 9, 1998.
*/
void
-cisco_autorp_print(register const u_char *bp, register u_int len)
+cisco_autorp_print(netdissect_options *ndo,
+ register const u_char *bp, register u_int len)
{
int type;
int numrps;
int hold;
- TCHECK(bp[0]);
- (void)printf(" auto-rp ");
+ ND_TCHECK(bp[0]);
+ ND_PRINT((ndo, " auto-rp "));
type = bp[0];
switch (type) {
case 0x11:
- (void)printf("candidate-advert");
+ ND_PRINT((ndo, "candidate-advert"));
break;
case 0x12:
- (void)printf("mapping");
+ ND_PRINT((ndo, "mapping"));
break;
default:
- (void)printf("type-0x%02x", type);
+ ND_PRINT((ndo, "type-0x%02x", type));
break;
}
- TCHECK(bp[1]);
+ ND_TCHECK(bp[1]);
numrps = bp[1];
- TCHECK2(bp[2], 2);
- (void)printf(" Hold ");
+ ND_TCHECK2(bp[2], 2);
+ ND_PRINT((ndo, " Hold "));
hold = EXTRACT_16BITS(&bp[2]);
if (hold)
- relts_print(EXTRACT_16BITS(&bp[2]));
+ relts_print(ndo, EXTRACT_16BITS(&bp[2]));
else
- printf("FOREVER");
+ ND_PRINT((ndo, "FOREVER"));
/* Next 4 bytes are reserved. */
int nentries;
char s;
- TCHECK2(bp[0], 4);
- (void)printf(" RP %s", ipaddr_string(bp));
- TCHECK(bp[4]);
+ ND_TCHECK2(bp[0], 4);
+ ND_PRINT((ndo, " RP %s", ipaddr_string(ndo, bp)));
+ ND_TCHECK(bp[4]);
switch (bp[4] & 0x3) {
- case 0: printf(" PIMv?");
+ case 0: ND_PRINT((ndo, " PIMv?"));
break;
- case 1: printf(" PIMv1");
+ case 1: ND_PRINT((ndo, " PIMv1"));
break;
- case 2: printf(" PIMv2");
+ case 2: ND_PRINT((ndo, " PIMv2"));
break;
- case 3: printf(" PIMv1+2");
+ case 3: ND_PRINT((ndo, " PIMv1+2"));
break;
}
if (bp[4] & 0xfc)
- (void)printf(" [rsvd=0x%02x]", bp[4] & 0xfc);
- TCHECK(bp[5]);
+ ND_PRINT((ndo, " [rsvd=0x%02x]", bp[4] & 0xfc));
+ ND_TCHECK(bp[5]);
nentries = bp[5];
bp += 6; len -= 6;
s = ' ';
for (; nentries; nentries--) {
- TCHECK2(bp[0], 6);
- (void)printf("%c%s%s/%d", s, bp[0] & 1 ? "!" : "",
- ipaddr_string(&bp[2]), bp[1]);
- if (bp[0] & 0xfe)
- (void)printf("[rsvd=0x%02x]", bp[0] & 0xfe);
+ ND_TCHECK2(bp[0], 6);
+ ND_PRINT((ndo, "%c%s%s/%d", s, bp[0] & 1 ? "!" : "",
+ ipaddr_string(ndo, &bp[2]), bp[1]));
+ if (bp[0] & 0x02) {
+ ND_PRINT((ndo, " bidir"));
+ }
+ if (bp[0] & 0xfc) {
+ ND_PRINT((ndo, "[rsvd=0x%02x]", bp[0] & 0xfc));
+ }
s = ',';
bp += 6; len -= 6;
}
return;
trunc:
- (void)printf("[|autorp]");
+ ND_PRINT((ndo, "[|autorp]"));
return;
}
void
-pim_print(register const u_char *bp, register u_int len)
+pim_print(netdissect_options *ndo,
+ register const u_char *bp, register u_int len, u_int cksum)
{
register const u_char *ep;
register struct pim *pim = (struct pim *)bp;
- ep = (const u_char *)snapend;
+ ep = (const u_char *)ndo->ndo_snapend;
if (bp >= ep)
return;
#ifdef notyet /* currently we see only version and type */
- TCHECK(pim->pim_rsv);
+ ND_TCHECK(pim->pim_rsv);
#endif
switch (PIM_VER(pim->pim_typever)) {
case 2:
- if (!vflag) {
- printf("PIMv%u, %s, length: %u",
- PIM_VER(pim->pim_typever),
- tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever)),
- len);
- return;
- } else {
- printf("PIMv%u, length: %u\n\t%s",
- PIM_VER(pim->pim_typever),
- len,
- tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever)));
- pimv2_print(bp, len);
- }
- break;
+ if (!ndo->ndo_vflag) {
+ ND_PRINT((ndo, "PIMv%u, %s, length %u",
+ PIM_VER(pim->pim_typever),
+ tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever)),
+ len));
+ return;
+ } else {
+ ND_PRINT((ndo, "PIMv%u, length %u\n\t%s",
+ PIM_VER(pim->pim_typever),
+ len,
+ tok2str(pimv2_type_values,"Unknown Type",PIM_TYPE(pim->pim_typever))));
+ pimv2_print(ndo, bp, len, cksum);
+ }
+ break;
default:
- printf("PIMv%u, length: %u",
- PIM_VER(pim->pim_typever),
- len);
+ ND_PRINT((ndo, "PIMv%u, length %u",
+ PIM_VER(pim->pim_typever),
+ len));
break;
}
return;
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
static int
-pimv2_addr_print(const u_char *bp, enum pimv2_addrtype at, int silent)
+pimv2_addr_print(netdissect_options *ndo,
+ const u_char *bp, enum pimv2_addrtype at, int silent)
{
int af;
- const char *afstr;
int len, hdrlen;
- TCHECK(bp[0]);
+ ND_TCHECK(bp[0]);
if (pimv2_addr_len == 0) {
- TCHECK(bp[1]);
+ ND_TCHECK(bp[1]);
switch (bp[0]) {
case 1:
af = AF_INET;
- afstr = "IPv4";
- len = 4;
+ len = sizeof(struct in_addr);
break;
#ifdef INET6
case 2:
af = AF_INET6;
- afstr = "IPv6";
- len = 16;
+ len = sizeof(struct in6_addr);
break;
#endif
default:
hdrlen = 2;
} else {
switch (pimv2_addr_len) {
- case 4:
+ case sizeof(struct in_addr):
af = AF_INET;
- afstr = "IPv4";
break;
#ifdef INET6
- case 16:
+ case sizeof(struct in6_addr):
af = AF_INET6;
- afstr = "IPv6";
break;
#endif
default:
bp += hdrlen;
switch (at) {
case pimv2_unicast:
- TCHECK2(bp[0], len);
+ ND_TCHECK2(bp[0], len);
if (af == AF_INET) {
if (!silent)
- (void)printf("%s", ipaddr_string(bp));
+ ND_PRINT((ndo, "%s", ipaddr_string(ndo, bp)));
}
#ifdef INET6
else if (af == AF_INET6) {
if (!silent)
- (void)printf("%s", ip6addr_string(bp));
+ ND_PRINT((ndo, "%s", ip6addr_string(ndo, bp)));
}
#endif
return hdrlen + len;
case pimv2_group:
case pimv2_source:
- TCHECK2(bp[0], len + 2);
+ ND_TCHECK2(bp[0], len + 2);
if (af == AF_INET) {
if (!silent) {
- (void)printf("%s", ipaddr_string(bp + 2));
+ ND_PRINT((ndo, "%s", ipaddr_string(ndo, bp + 2)));
if (bp[1] != 32)
- (void)printf("/%u", bp[1]);
+ ND_PRINT((ndo, "/%u", bp[1]));
}
}
#ifdef INET6
else if (af == AF_INET6) {
if (!silent) {
- (void)printf("%s", ip6addr_string(bp + 2));
+ ND_PRINT((ndo, "%s", ip6addr_string(ndo, bp + 2)));
if (bp[1] != 128)
- (void)printf("/%u", bp[1]);
+ ND_PRINT((ndo, "/%u", bp[1]));
}
}
#endif
if (bp[0] && !silent) {
if (at == pimv2_group) {
- (void)printf("(0x%02x)", bp[0]);
+ ND_PRINT((ndo, "(0x%02x)", bp[0]));
} else {
- (void)printf("(%s%s%s",
+ ND_PRINT((ndo, "(%s%s%s",
bp[0] & 0x04 ? "S" : "",
bp[0] & 0x02 ? "W" : "",
- bp[0] & 0x01 ? "R" : "");
+ bp[0] & 0x01 ? "R" : ""));
if (bp[0] & 0xf8) {
- (void) printf("+0x%02x", bp[0] & 0xf8);
+ ND_PRINT((ndo, "+0x%02x", bp[0] & 0xf8));
}
- (void)printf(")");
+ ND_PRINT((ndo, ")"));
}
}
return hdrlen + 2 + len;
}
static void
-pimv2_print(register const u_char *bp, register u_int len)
+pimv2_print(netdissect_options *ndo,
+ register const u_char *bp, register u_int len, u_int cksum)
{
register const u_char *ep;
register struct pim *pim = (struct pim *)bp;
int advance;
- ep = (const u_char *)snapend;
+ ep = (const u_char *)ndo->ndo_snapend;
if (bp >= ep)
return;
if (ep > bp + len)
ep = bp + len;
- TCHECK(pim->pim_rsv);
+ ND_TCHECK(pim->pim_rsv);
pimv2_addr_len = pim->pim_rsv;
if (pimv2_addr_len != 0)
- (void)printf(", RFC2117-encoding");
+ ND_PRINT((ndo, ", RFC2117-encoding"));
+
+ ND_PRINT((ndo, ", cksum 0x%04x ", EXTRACT_16BITS(&pim->pim_cksum)));
+ if (EXTRACT_16BITS(&pim->pim_cksum) == 0) {
+ ND_PRINT((ndo, "(unverified)"));
+ } else {
+ ND_PRINT((ndo, "(%scorrect)", ND_TTEST2(bp[0], len) && cksum ? "in" : "" ));
+ }
switch (PIM_TYPE(pim->pim_typever)) {
case PIMV2_TYPE_HELLO:
{
- u_int16_t otype, olen;
+ uint16_t otype, olen;
bp += 4;
while (bp < ep) {
- TCHECK2(bp[0], 4);
+ ND_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), length: %u, Value: ",
- tok2str( pimv2_hello_option_values,"Unknown",otype),
- otype,
- olen);
+ ND_TCHECK2(bp[0], 4 + olen);
+ ND_PRINT((ndo, "\n\t %s Option (%u), length %u, Value: ",
+ tok2str(pimv2_hello_option_values, "Unknown", otype),
+ otype,
+ olen));
bp += 4;
switch (otype) {
case PIMV2_HELLO_OPTION_HOLDTIME:
- relts_print(EXTRACT_16BITS(bp));
- break;
+ relts_print(ndo, EXTRACT_16BITS(bp));
+ break;
case PIMV2_HELLO_OPTION_LANPRUNEDELAY:
if (olen != 4) {
- (void)printf("ERROR: Option Lenght != 4 Bytes (%u)", olen);
+ ND_PRINT((ndo, "ERROR: Option Length != 4 Bytes (%u)", olen));
} else {
char t_bit;
- u_int16_t lan_delay, override_interval;
+ uint16_t lan_delay, override_interval;
lan_delay = EXTRACT_16BITS(bp);
override_interval = EXTRACT_16BITS(bp+2);
t_bit = (lan_delay & 0x8000)? 1 : 0;
lan_delay &= ~0x8000;
- (void)printf("\n\t T-bit=%d, LAN delay %dms, Override interval %dms",
- t_bit, lan_delay, override_interval);
+ ND_PRINT((ndo, "\n\t T-bit=%d, LAN delay %dms, Override interval %dms",
+ t_bit, lan_delay, override_interval));
}
break;
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;
+ switch (olen) {
+ case 0:
+ ND_PRINT((ndo, "Bi-Directional Capability (Old)"));
+ break;
+ case 4:
+ ND_PRINT((ndo, "%u", EXTRACT_32BITS(bp)));
+ break;
+ default:
+ ND_PRINT((ndo, "ERROR: Option Length != 4 Bytes (%u)", olen));
+ break;
+ }
+ break;
case PIMV2_HELLO_OPTION_GENID:
- (void)printf("0x%08x", EXTRACT_32BITS(bp));
+ ND_PRINT((ndo, "0x%08x", EXTRACT_32BITS(bp)));
break;
case PIMV2_HELLO_OPTION_REFRESH_CAP:
- (void)printf("v%d", *bp);
+ ND_PRINT((ndo, "v%d", *bp));
if (*(bp+1) != 0) {
- (void)printf(", interval ");
- relts_print(*(bp+1));
+ ND_PRINT((ndo, ", interval "));
+ relts_print(ndo, *(bp+1));
}
if (EXTRACT_16BITS(bp+2) != 0) {
- (void)printf(" ?0x%04x?", EXTRACT_16BITS(bp+2));
+ ND_PRINT((ndo, " ?0x%04x?", EXTRACT_16BITS(bp+2)));
}
break;
case PIMV2_HELLO_OPTION_BIDIR_CAP:
break;
- case PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD:
- case PIMV2_HELLO_OPTION_ADDRESS_LIST:
- if (vflag > 1) {
+ case PIMV2_HELLO_OPTION_ADDRESS_LIST_OLD:
+ case PIMV2_HELLO_OPTION_ADDRESS_LIST:
+ if (ndo->ndo_vflag > 1) {
const u_char *ptr = bp;
while (ptr < (bp+olen)) {
int advance;
- printf("\n\t ");
- advance = pimv2_addr_print(ptr, pimv2_unicast, 0);
+ ND_PRINT((ndo, "\n\t "));
+ advance = pimv2_addr_print(ndo, ptr, pimv2_unicast, 0);
if (advance < 0) {
- printf("...");
+ ND_PRINT((ndo, "..."));
break;
}
ptr += advance;
}
break;
default:
- if (vflag <= 1)
- print_unknown_data(bp,"\n\t ",olen);
- break;
+ if (ndo->ndo_vflag <= 1)
+ print_unknown_data(ndo, bp, "\n\t ", olen);
+ break;
}
- /* do we want to see an additionally hexdump ? */
- if (vflag> 1)
- print_unknown_data(bp,"\n\t ",olen);
+ /* do we want to see an additionally hexdump ? */
+ if (ndo->ndo_vflag> 1)
+ print_unknown_data(ndo, bp, "\n\t ", olen);
bp += olen;
}
break;
{
struct ip *ip;
- if (vflag && bp + 8 <= ep) {
- (void)printf(" %s%s", bp[4] & 0x80 ? "B" : "",
- bp[4] & 0x40 ? "N" : "");
- }
- bp += 8; len -= 8;
+ ND_TCHECK2(*(bp + 4), PIMV2_REGISTER_FLAG_LEN);
+ ND_PRINT((ndo, ", Flags [ %s ]\n\t",
+ tok2str(pimv2_register_flag_values,
+ "none",
+ EXTRACT_32BITS(bp+4))));
+
+ bp += 8; len -= 8;
/* encapsulated multicast packet */
- if (bp >= ep)
- break;
ip = (struct ip *)bp;
switch (IP_V(ip)) {
+ case 0: /* Null header */
+ ND_PRINT((ndo, "IP-Null-header %s > %s",
+ ipaddr_string(ndo, &ip->ip_src),
+ ipaddr_string(ndo, &ip->ip_dst)));
+ break;
+
case 4: /* IPv4 */
- printf(" ");
- ip_print(bp, len);
+ ip_print(ndo, bp, len);
break;
#ifdef INET6
case 6: /* IPv6 */
- printf(" ");
- ip6_print(bp, len);
+ ip6_print(ndo, bp, len);
break;
#endif
default:
- (void)printf(" IP ver %d", IP_V(ip));
+ ND_PRINT((ndo, "IP ver %d", IP_V(ip)));
break;
}
break;
bp += 4; len -= 4;
if (bp >= ep)
break;
- (void)printf(" group=");
- if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " group="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance; len -= advance;
if (bp >= ep)
break;
- (void)printf(" source=");
- if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " source="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance; len -= advance;
*/
{
- u_int8_t ngroup;
- u_int16_t holdtime;
- u_int16_t njoin;
- u_int16_t nprune;
+ uint8_t ngroup;
+ uint16_t holdtime;
+ uint16_t njoin;
+ uint16_t nprune;
int i, j;
bp += 4; len -= 4;
if (PIM_TYPE(pim->pim_typever) != 7) { /*not for Graft-ACK*/
if (bp >= ep)
break;
- (void)printf(", upstream-neighbor: ");
- if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, ", upstream-neighbor: "));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance; len -= advance;
break;
ngroup = bp[1];
holdtime = EXTRACT_16BITS(&bp[2]);
- (void)printf("\n\t %u group(s)", ngroup);
+ ND_PRINT((ndo, "\n\t %u group(s)", ngroup));
if (PIM_TYPE(pim->pim_typever) != 7) { /*not for Graft-ACK*/
- (void)printf(", holdtime: ");
+ ND_PRINT((ndo, ", holdtime: "));
if (holdtime == 0xffff)
- (void)printf("infinite");
+ ND_PRINT((ndo, "infinite"));
else
- relts_print(holdtime);
+ relts_print(ndo, holdtime);
}
bp += 4; len -= 4;
for (i = 0; i < ngroup; i++) {
if (bp >= ep)
goto jp_done;
- (void)printf("\n\t group #%u: ", i+1);
- if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) < 0) {
- (void)printf("...)");
+ ND_PRINT((ndo, "\n\t group #%u: ", i+1));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) {
+ ND_PRINT((ndo, "...)"));
goto jp_done;
}
bp += advance; len -= advance;
if (bp + 4 > ep) {
- (void)printf("...)");
+ ND_PRINT((ndo, "...)"));
goto jp_done;
}
njoin = EXTRACT_16BITS(&bp[0]);
nprune = EXTRACT_16BITS(&bp[2]);
- (void)printf(", joined sources: %u, pruned sources: %u", njoin,nprune);
+ ND_PRINT((ndo, ", joined sources: %u, pruned sources: %u", njoin, nprune));
bp += 4; len -= 4;
for (j = 0; j < njoin; j++) {
- (void)printf("\n\t joined source #%u: ",j+1);
- if ((advance = pimv2_addr_print(bp, pimv2_source, 0)) < 0) {
- (void)printf("...)");
+ ND_PRINT((ndo, "\n\t joined source #%u: ", j+1));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_source, 0)) < 0) {
+ ND_PRINT((ndo, "...)"));
goto jp_done;
}
bp += advance; len -= advance;
}
for (j = 0; j < nprune; j++) {
- (void)printf("\n\t pruned source #%u: ",j+1);
- if ((advance = pimv2_addr_print(bp, pimv2_source, 0)) < 0) {
- (void)printf("...)");
+ ND_PRINT((ndo, "\n\t pruned source #%u: ", j+1));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_source, 0)) < 0) {
+ ND_PRINT((ndo, "...)"));
goto jp_done;
}
bp += advance; len -= advance;
bp += 4;
/* Fragment Tag, Hash Mask len, and BSR-priority */
- if (bp + sizeof(u_int16_t) >= ep) break;
- (void)printf(" tag=%x", EXTRACT_16BITS(bp));
- bp += sizeof(u_int16_t);
+ if (bp + sizeof(uint16_t) >= ep) break;
+ ND_PRINT((ndo, " tag=%x", EXTRACT_16BITS(bp)));
+ bp += sizeof(uint16_t);
if (bp >= ep) break;
- (void)printf(" hashmlen=%d", bp[0]);
+ ND_PRINT((ndo, " hashmlen=%d", bp[0]));
if (bp + 1 >= ep) break;
- (void)printf(" BSRprio=%d", bp[1]);
+ ND_PRINT((ndo, " BSRprio=%d", bp[1]));
bp += 2;
/* Encoded-Unicast-BSR-Address */
if (bp >= ep) break;
- (void)printf(" BSR=");
- if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " BSR="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance;
for (i = 0; bp < ep; i++) {
/* Encoded-Group Address */
- (void)printf(" (group%d: ", i);
- if ((advance = pimv2_addr_print(bp, pimv2_group, 0))
+ ND_PRINT((ndo, " (group%d: ", i));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0))
< 0) {
- (void)printf("...)");
+ ND_PRINT((ndo, "...)"));
goto bs_done;
}
bp += advance;
/* RP-Count, Frag RP-Cnt, and rsvd */
if (bp >= ep) {
- (void)printf("...)");
+ ND_PRINT((ndo, "...)"));
goto bs_done;
}
- (void)printf(" RPcnt=%d", bp[0]);
+ ND_PRINT((ndo, " RPcnt=%d", bp[0]));
if (bp + 1 >= ep) {
- (void)printf("...)");
+ ND_PRINT((ndo, "...)"));
goto bs_done;
}
- (void)printf(" FRPcnt=%d", frpcnt = bp[1]);
+ ND_PRINT((ndo, " FRPcnt=%d", frpcnt = bp[1]));
bp += 4;
for (j = 0; j < frpcnt && bp < ep; j++) {
/* each RP info */
- (void)printf(" RP%d=", j);
- if ((advance = pimv2_addr_print(bp,
+ ND_PRINT((ndo, " RP%d=", j));
+ if ((advance = pimv2_addr_print(ndo, bp,
pimv2_unicast,
0)) < 0) {
- (void)printf("...)");
+ ND_PRINT((ndo, "...)"));
goto bs_done;
}
bp += advance;
if (bp + 1 >= ep) {
- (void)printf("...)");
+ ND_PRINT((ndo, "...)"));
goto bs_done;
}
- (void)printf(",holdtime=");
- relts_print(EXTRACT_16BITS(bp));
+ ND_PRINT((ndo, ",holdtime="));
+ relts_print(ndo, EXTRACT_16BITS(bp));
if (bp + 2 >= ep) {
- (void)printf("...)");
+ ND_PRINT((ndo, "...)"));
goto bs_done;
}
- (void)printf(",prio=%d", bp[2]);
+ ND_PRINT((ndo, ",prio=%d", bp[2]));
bp += 4;
}
- (void)printf(")");
+ ND_PRINT((ndo, ")"));
}
bs_done:
break;
bp += 4; len -= 4;
if (bp >= ep)
break;
- (void)printf(" group=");
- if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " group="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance; len -= advance;
if (bp >= ep)
break;
- (void)printf(" src=");
- if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " src="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance; len -= advance;
if (bp + 8 > ep)
break;
if (bp[0] & 0x80)
- (void)printf(" RPT");
- (void)printf(" pref=%u", EXTRACT_32BITS(&bp[0]) & 0x7fffffff);
- (void)printf(" metric=%u", EXTRACT_32BITS(&bp[4]));
+ ND_PRINT((ndo, " RPT"));
+ ND_PRINT((ndo, " pref=%u", EXTRACT_32BITS(&bp[0]) & 0x7fffffff));
+ ND_PRINT((ndo, " metric=%u", EXTRACT_32BITS(&bp[4])));
break;
case PIMV2_TYPE_CANDIDATE_RP:
/* Prefix-Cnt, Priority, and Holdtime */
if (bp >= ep) break;
- (void)printf(" prefix-cnt=%d", bp[0]);
+ ND_PRINT((ndo, " prefix-cnt=%d", bp[0]));
pfxcnt = bp[0];
if (bp + 1 >= ep) break;
- (void)printf(" prio=%d", bp[1]);
+ ND_PRINT((ndo, " prio=%d", bp[1]));
if (bp + 3 >= ep) break;
- (void)printf(" holdtime=");
- relts_print(EXTRACT_16BITS(&bp[2]));
+ ND_PRINT((ndo, " holdtime="));
+ relts_print(ndo, EXTRACT_16BITS(&bp[2]));
bp += 4;
/* Encoded-Unicast-RP-Address */
if (bp >= ep) break;
- (void)printf(" RP=");
- if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " RP="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance;
/* Encoded-Group Addresses */
for (i = 0; i < pfxcnt && bp < ep; i++) {
- (void)printf(" Group%d=", i);
- if ((advance = pimv2_addr_print(bp, pimv2_group, 0))
+ ND_PRINT((ndo, " Group%d=", i));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0))
< 0) {
- (void)printf("...");
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance;
}
case PIMV2_TYPE_PRUNE_REFRESH:
- (void)printf(" src=");
- if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " src="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance;
- (void)printf(" grp=");
- if ((advance = pimv2_addr_print(bp, pimv2_group, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " grp="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_group, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance;
- (void)printf(" forwarder=");
- if ((advance = pimv2_addr_print(bp, pimv2_unicast, 0)) < 0) {
- (void)printf("...");
+ ND_PRINT((ndo, " forwarder="));
+ if ((advance = pimv2_addr_print(ndo, bp, pimv2_unicast, 0)) < 0) {
+ ND_PRINT((ndo, "..."));
break;
}
bp += advance;
- TCHECK2(bp[0], 2);
- (void)printf(" TUNR ");
- relts_print(EXTRACT_16BITS(bp));
+ ND_TCHECK2(bp[0], 2);
+ ND_PRINT((ndo, " TUNR "));
+ relts_print(ndo, EXTRACT_16BITS(bp));
break;
default:
- (void)printf(" [type %d]", PIM_TYPE(pim->pim_typever));
+ ND_PRINT((ndo, " [type %d]", PIM_TYPE(pim->pim_typever)));
break;
}
return;
trunc:
- (void)printf("[|pim]");
+ ND_PRINT((ndo, "[|pim]"));
}
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */
projects / tcpdump / blobdiff