/* \summary: Protocol Independent Multicast (PIM) printer */
-#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif
#include "netdissect-stdinc.h"
#include "ip.h"
#include "ip6.h"
#include "ipproto.h"
+#include "af.h"
#define PIMV1_TYPE_QUERY 0
#define PIMV1_TYPE_REGISTER 1
/*
* XXX: We consider a case where IPv6 is not ready yet for portability,
- * but PIM dependent defintions should be independent of IPv6...
+ * but PIM dependent definitions should be independent of IPv6...
*/
struct pim {
if (len < sizeof(nd_ipv4))
goto trunc;
- ND_TCHECK_LEN(bp, sizeof(nd_ipv4));
if (ndo->ndo_vflag > 1)
ND_PRINT("\n");
ND_PRINT(" Upstream Nbr: %s", GET_IPADDR_STRING(bp));
len -= 4;
if (len < 4)
goto trunc;
- ND_TCHECK_2(bp + 2);
if (ndo->ndo_vflag > 1)
ND_PRINT("\n");
ND_PRINT(" Hold time: ");
if (len < 4)
goto trunc;
- ND_TCHECK_4(bp);
ngroups = GET_U_1(bp + 3);
bp += 4;
len -= 4;
*/
if (len < 4)
goto trunc;
- ND_TCHECK_LEN(bp, sizeof(nd_ipv4));
ND_PRINT("\n\tGroup: %s", GET_IPADDR_STRING(bp));
bp += 4;
len -= 4;
if (len < 4)
goto trunc;
- ND_TCHECK_LEN(bp, sizeof(nd_ipv4));
if (GET_BE_U_4(bp) != 0xffffffff)
ND_PRINT("/%s", GET_IPADDR_STRING(bp));
bp += 4;
len -= 4;
if (len < 4)
goto trunc;
- ND_TCHECK_4(bp);
njoin = GET_BE_U_2(bp);
nprune = GET_BE_U_2(bp + 2);
ND_PRINT(" joined: %u pruned: %u", njoin, nprune);
type = "Prune";
if (len < 6)
goto trunc;
- ND_TCHECK_6(bp);
ND_PRINT("\n\t%s %s%s%s%s/%u", type,
(GET_U_1(bp) & 0x01) ? "Sparse " : "Dense ",
(GET_U_1(bp + 1) & 0x80) ? "WC " : "",
return;
trunc:
nd_print_trunc(ndo);
- return;
}
void
GET_IPADDR_STRING(bp + 24));
break;
case PIMV1_TYPE_REGISTER_STOP:
- ND_TCHECK_LEN(bp + 12, sizeof(nd_ipv4));
ND_PRINT(" for %s > %s", GET_IPADDR_STRING(bp + 8),
GET_IPADDR_STRING(bp + 12));
break;
case PIMV1_TYPE_RP_REACHABILITY:
if (ndo->ndo_vflag) {
- ND_TCHECK_2(bp + 22);
ND_PRINT(" group %s", GET_IPADDR_STRING(bp + 8));
if (GET_BE_U_4(bp + 12) != 0xffffffff)
ND_PRINT("/%s", GET_IPADDR_STRING(bp + 12));
}
break;
case PIMV1_TYPE_ASSERT:
- ND_TCHECK_LEN(bp + 16, sizeof(nd_ipv4));
ND_PRINT(" for %s > %s", GET_IPADDR_STRING(bp + 16),
GET_IPADDR_STRING(bp + 8));
if (GET_BE_U_4(bp + 12) != 0xffffffff)
trunc:
nd_print_trunc(ndo);
- return;
}
/*
if (len < 4)
goto trunc;
- ND_TCHECK_4(bp);
ND_PRINT(" RP %s", GET_IPADDR_STRING(bp));
bp += 4;
len -= 4;
while (nentries != 0) {
if (len < 6)
goto trunc;
- ND_TCHECK_6(bp);
ND_PRINT("%c%s%s/%u", s, GET_U_1(bp) & 1 ? "!" : "",
GET_IPADDR_STRING(bp + 2), GET_U_1(bp + 1));
if (GET_U_1(bp) & 0x02) {
trunc:
nd_print_trunc(ndo);
- return;
}
void
uint8_t pim_typever;
ndo->ndo_protocol = "pim";
-#ifdef notyet /* currently we see only version and type */
- ND_TCHECK_1(pim->pim_rsv);
-#endif
pim_typever = GET_U_1(pim->pim_typever);
switch (PIM_VER(pim_typever)) {
if (addr_len == 0) {
if (len < 2)
goto trunc;
- ND_TCHECK_1(bp + 1);
- switch (GET_U_1(bp)) {
- case 1:
- af = AF_INET;
+ af = GET_U_1(bp);
+ switch (af) {
+ case AFNUM_IP:
addr_len = (u_int)sizeof(nd_ipv4);
break;
- case 2:
- af = AF_INET6;
+ case AFNUM_IP6:
addr_len = (u_int)sizeof(nd_ipv6);
break;
default:
} else {
switch (addr_len) {
case sizeof(nd_ipv4):
- af = AF_INET;
+ af = AFNUM_IP;
break;
case sizeof(nd_ipv6):
- af = AF_INET6;
+ af = AFNUM_IP6;
break;
default:
return -1;
- break;
}
hdrlen = 0;
}
if (len < addr_len)
goto trunc;
ND_TCHECK_LEN(bp, addr_len);
- if (af == AF_INET) {
+ if (af == AFNUM_IP) {
if (!silent)
ND_PRINT("%s", GET_IPADDR_STRING(bp));
- }
- else if (af == AF_INET6) {
+ } else if (af == AFNUM_IP6) {
if (!silent)
ND_PRINT("%s", GET_IP6ADDR_STRING(bp));
}
if (len < addr_len + 2)
goto trunc;
ND_TCHECK_LEN(bp, addr_len + 2);
- if (af == AF_INET) {
+ if (af == AFNUM_IP) {
if (!silent) {
ND_PRINT("%s", GET_IPADDR_STRING(bp + 2));
if (GET_U_1(bp + 1) != 32)
ND_PRINT("/%u", GET_U_1(bp + 1));
}
- }
- else if (af == AF_INET6) {
+ } else if (af == AFNUM_IP6) {
if (!silent) {
ND_PRINT("%s", GET_IP6ADDR_STRING(bp + 2));
if (GET_U_1(bp + 1) != 128)
nd_print_invalid(ndo);
return;
}
- ND_TCHECK_1(pim->pim_rsv);
pim_typever = GET_U_1(pim->pim_typever);
/* RFC5015 allocates the high 4 bits of pim_rsv for "subtype". */
pimv2_addr_len = GET_U_1(pim->pim_rsv) & 0x0f;
case PIMV2_TYPE_HELLO:
{
uint16_t otype, olen;
- while (len > 0) {
+ while (len != 0) {
if (len < 4)
goto trunc;
- ND_TCHECK_4(bp);
otype = GET_BE_U_2(bp);
olen = GET_BE_U_2(bp + 2);
ND_PRINT("\n\t %s Option (%u), length %u, Value: ",
ND_PRINT("[option length %u != 4]", olen);
nd_print_invalid(ndo);
return;
- break;
}
break;
if (len == 0)
goto trunc;
ip = (const struct ip *)bp;
- ND_TCHECK_1(ip->ip_vhl);
switch (IP_V(ip)) {
case 0: /* Null header */
- ND_TCHECK_4(ip->ip_dst);
ND_PRINT("IP-Null-header %s > %s",
GET_IPADDR_STRING(ip->ip_src),
GET_IPADDR_STRING(ip->ip_dst));
if (len < 2)
goto trunc;
- ND_TCHECK_2(bp);
ND_PRINT(",holdtime=");
unsigned_relts_print(ndo,
GET_BE_U_2(bp));