/* \summary: IPv6 Open Shortest Path First (OSPFv3) printer */
-#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif
#include "netdissect-stdinc.h"
#define RLA_FLAG_E 0x02
#define RLA_FLAG_V 0x04
#define RLA_FLAG_W 0x08
-#define RLA_FLAG_N 0x10
+#define RLA_FLAG_Nt 0x10
/* lsa_prefix options */
#define LSA_PREFIX_OPT_NU 0x01
#define LSA_PREFIX_OPT_MC 0x04
#define LSA_PREFIX_OPT_P 0x08
#define LSA_PREFIX_OPT_DN 0x10
+#define LSA_PREFIX_OPT_N 0x20
/* sla_tosmetric breakdown */
#define SLA_MASK_TOS 0x7f000000
struct lsa6 lsu_lsa[1]; /* may repeat */
};
-static const char tstr[] = " [|ospf3]";
static const struct tok ospf6_option_values[] = {
{ OSPF6_OPTION_V6, "V6" },
{ RLA_FLAG_B, "ABR" },
{ RLA_FLAG_E, "External" },
{ RLA_FLAG_V, "Virtual-Link Endpoint" },
- { RLA_FLAG_W, "Wildcard Receiver" },
- { RLA_FLAG_N, "NSSA Translator" },
+ { RLA_FLAG_W, "Deprecated" },
+ { RLA_FLAG_Nt, "NSSA Translator" },
{ 0, NULL }
};
{ LSA_PREFIX_OPT_MC, "Deprecated" },
{ LSA_PREFIX_OPT_P, "Propagate" },
{ LSA_PREFIX_OPT_DN, "Down" },
+ { LSA_PREFIX_OPT_N, "N-bit" },
{ 0, NULL }
};
ls_type & LS_TYPE_MASK,
tok2str(ospf6_ls_scope_values, "Unknown", ls_type & LS_SCOPE_MASK),
ls_type &0x8000 ? ", transitive" : "", /* U-bit */
- ipaddr_string(ndo, (const u_char *)ls_stateid));
+ GET_IPADDR_STRING(ls_stateid));
}
static int
ospf6_print_lshdr(netdissect_options *ndo,
const struct lsa6_hdr *lshp, const u_char *dataend)
{
+ u_int ls_length;
+
if ((const u_char *)(lshp + 1) > dataend)
goto trunc;
- ND_TCHECK_2(lshp->ls_type);
- ND_TCHECK_4(lshp->ls_seq);
- ND_PRINT("\n\t Advertising Router %s, seq 0x%08x, age %us, length %u",
- ipaddr_string(ndo, lshp->ls_router),
- EXTRACT_BE_U_4(lshp->ls_seq),
- EXTRACT_BE_U_2(lshp->ls_age),
- EXTRACT_BE_U_2(lshp->ls_length)-(u_int)sizeof(struct lsa6_hdr));
+ ls_length = GET_BE_U_2(lshp->ls_length);
+ if (ls_length < sizeof(struct lsa_hdr)) {
+ ND_PRINT("\n\t Bogus length %u < header (%zu)", ls_length,
+ sizeof(struct lsa_hdr));
+ goto trunc;
+ }
+
+ ND_PRINT("\n\t Advertising Router %s, seq 0x%08x, age %us, length %zu",
+ GET_IPADDR_STRING(lshp->ls_router),
+ GET_BE_U_4(lshp->ls_seq),
+ GET_BE_U_2(lshp->ls_age),
+ ls_length-sizeof(struct lsa6_hdr));
- ospf6_print_ls_type(ndo, EXTRACT_BE_U_2(lshp->ls_type),
+ ospf6_print_ls_type(ndo, GET_BE_U_2(lshp->ls_type),
&lshp->ls_stateid);
return (0);
goto trunc;
lsa_length -= sizeof (*lsapp) - IPV6_ADDR_LEN_BYTES;
ND_TCHECK_LEN(lsapp, sizeof(*lsapp) - IPV6_ADDR_LEN_BYTES);
- wordlen = (EXTRACT_U_1(lsapp->lsa_p_len) + 31) / 32;
+ wordlen = (GET_U_1(lsapp->lsa_p_len) + 31) / 32;
if (wordlen * 4 > sizeof(nd_ipv6)) {
- ND_PRINT(" bogus prefixlen /%u", EXTRACT_U_1(lsapp->lsa_p_len));
+ ND_PRINT(" bogus prefixlen /%u", GET_U_1(lsapp->lsa_p_len));
goto trunc;
}
if (lsa_length < wordlen * 4)
goto trunc;
lsa_length -= wordlen * 4;
- ND_TCHECK_LEN(lsapp->lsa_p_prefix, wordlen * 4);
memset(prefix, 0, sizeof(prefix));
- memcpy(prefix, lsapp->lsa_p_prefix, wordlen * 4);
- ND_PRINT("\n\t\t%s/%u", ip6addr_string(ndo, prefix),
- EXTRACT_U_1(lsapp->lsa_p_len));
- if (EXTRACT_U_1(lsapp->lsa_p_opt)) {
+ GET_CPY_BYTES(prefix, lsapp->lsa_p_prefix, wordlen * 4);
+ ND_PRINT("\n\t\t%s/%u", ip6addr_string(ndo, prefix), /* local buffer, not packet data; don't use GET_IP6ADDR_STRING() */
+ GET_U_1(lsapp->lsa_p_len));
+ if (GET_U_1(lsapp->lsa_p_opt)) {
ND_PRINT(", Options [%s]",
bittok2str(ospf6_lsa_prefix_option_values,
- "none", EXTRACT_U_1(lsapp->lsa_p_opt)));
+ "none", GET_U_1(lsapp->lsa_p_opt)));
}
- ND_PRINT(", metric %u", EXTRACT_BE_U_2(lsapp->lsa_p_metric));
+ ND_PRINT(", metric %u", GET_BE_U_2(lsapp->lsa_p_metric));
return sizeof(*lsapp) - IPV6_ADDR_LEN_BYTES + wordlen * 4;
trunc:
if (ospf6_print_lshdr(ndo, &lsap->ls_hdr, dataend))
return (1);
- ND_TCHECK_2(lsap->ls_hdr.ls_length);
- length = EXTRACT_BE_U_2(lsap->ls_hdr.ls_length);
+ length = GET_BE_U_2(lsap->ls_hdr.ls_length);
/*
* The LSA length includes the length of the header;
* header.
*/
if (length < sizeof(struct lsa6_hdr) || (const u_char *)lsap + length > dataend)
- return (1);
+ return (1);
lsa_length = length - sizeof(struct lsa6_hdr);
tptr = (const uint8_t *)lsap+sizeof(struct lsa6_hdr);
- switch (EXTRACT_BE_U_2(lsap->ls_hdr.ls_type)) {
+ switch (GET_BE_U_2(lsap->ls_hdr.ls_type)) {
case LS_TYPE_ROUTER | LS_SCOPE_AREA:
if (lsa_length < sizeof (lsap->lsa_un.un_rla.rla_options))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_rla.rla_options);
- ND_TCHECK_4(lsap->lsa_un.un_rla.rla_options);
ND_PRINT("\n\t Options [%s]",
bittok2str(ospf6_option_values, "none",
- EXTRACT_BE_U_4(lsap->lsa_un.un_rla.rla_options)));
+ GET_BE_U_4(lsap->lsa_un.un_rla.rla_options)));
ND_PRINT(", RLA-Flags [%s]",
bittok2str(ospf6_rla_flag_values, "none",
- EXTRACT_U_1(lsap->lsa_un.un_rla.rla_flags)));
+ GET_U_1(lsap->lsa_un.un_rla.rla_flags)));
rlp = lsap->lsa_un.un_rla.rla_link;
while (lsa_length != 0) {
return (1);
lsa_length -= sizeof (*rlp);
ND_TCHECK_SIZE(rlp);
- switch (EXTRACT_U_1(rlp->link_type)) {
+ switch (GET_U_1(rlp->link_type)) {
case RLA_TYPE_VIRTUAL:
ND_PRINT("\n\t Virtual Link: Neighbor Router-ID %s"
"\n\t Neighbor Interface-ID %s, Interface %s",
- ipaddr_string(ndo, rlp->link_nrtid),
- ipaddr_string(ndo, rlp->link_nifid),
- ipaddr_string(ndo, rlp->link_ifid));
+ GET_IPADDR_STRING(rlp->link_nrtid),
+ GET_IPADDR_STRING(rlp->link_nifid),
+ GET_IPADDR_STRING(rlp->link_ifid));
break;
case RLA_TYPE_ROUTER:
ND_PRINT("\n\t Neighbor Router-ID %s"
"\n\t Neighbor Interface-ID %s, Interface %s",
- ipaddr_string(ndo, rlp->link_nrtid),
- ipaddr_string(ndo, rlp->link_nifid),
- ipaddr_string(ndo, rlp->link_ifid));
+ GET_IPADDR_STRING(rlp->link_nrtid),
+ GET_IPADDR_STRING(rlp->link_nifid),
+ GET_IPADDR_STRING(rlp->link_ifid));
break;
case RLA_TYPE_TRANSIT:
ND_PRINT("\n\t Neighbor Network-ID %s"
"\n\t Neighbor Interface-ID %s, Interface %s",
- ipaddr_string(ndo, rlp->link_nrtid),
- ipaddr_string(ndo, rlp->link_nifid),
- ipaddr_string(ndo, rlp->link_ifid));
+ GET_IPADDR_STRING(rlp->link_nrtid),
+ GET_IPADDR_STRING(rlp->link_nifid),
+ GET_IPADDR_STRING(rlp->link_ifid));
break;
default:
ND_PRINT("\n\t Unknown Router Links Type 0x%02x",
- EXTRACT_U_1(rlp->link_type));
+ GET_U_1(rlp->link_type));
return (0);
}
- ND_PRINT(", metric %u", EXTRACT_BE_U_2(rlp->link_metric));
+ ND_PRINT(", metric %u", GET_BE_U_2(rlp->link_metric));
rlp++;
}
break;
if (lsa_length < sizeof (lsap->lsa_un.un_nla.nla_options))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_nla.nla_options);
- ND_TCHECK_4(lsap->lsa_un.un_nla.nla_options);
ND_PRINT("\n\t Options [%s]",
bittok2str(ospf6_option_values, "none",
- EXTRACT_BE_U_4(lsap->lsa_un.un_nla.nla_options)));
+ GET_BE_U_4(lsap->lsa_un.un_nla.nla_options)));
ND_PRINT("\n\t Connected Routers:");
ap = lsap->lsa_un.un_nla.nla_router;
if (lsa_length < sizeof (*ap))
return (1);
lsa_length -= sizeof (*ap);
- ND_TCHECK_SIZE(ap);
- ND_PRINT("\n\t\t%s", ipaddr_string(ndo, *ap));
+ ND_PRINT("\n\t\t%s", GET_IPADDR_STRING(ap));
++ap;
}
break;
if (lsa_length < sizeof (lsap->lsa_un.un_inter_ap.inter_ap_metric))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_inter_ap.inter_ap_metric);
- ND_TCHECK_4(lsap->lsa_un.un_inter_ap.inter_ap_metric);
ND_PRINT(", metric %u",
- EXTRACT_BE_U_4(lsap->lsa_un.un_inter_ap.inter_ap_metric) & SLA_MASK_METRIC);
+ GET_BE_U_4(lsap->lsa_un.un_inter_ap.inter_ap_metric) & SLA_MASK_METRIC);
tptr = (const uint8_t *)lsap->lsa_un.un_inter_ap.inter_ap_prefix;
while (lsa_length != 0) {
bytelen = ospf6_print_lsaprefix(ndo, tptr, lsa_length);
if (bytelen < 0)
goto trunc;
+ /*
+ * ospf6_print_lsaprefix() will return -1 if
+ * the length is too high, so this will not
+ * underflow.
+ */
lsa_length -= bytelen;
tptr += bytelen;
}
if (lsa_length < sizeof (lsap->lsa_un.un_asla.asla_metric))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_asla.asla_metric);
- ND_TCHECK_4(lsap->lsa_un.un_asla.asla_metric);
- flags32 = EXTRACT_BE_U_4(lsap->lsa_un.un_asla.asla_metric);
+ flags32 = GET_BE_U_4(lsap->lsa_un.un_asla.asla_metric);
ND_PRINT("\n\t Flags [%s]",
bittok2str(ospf6_asla_flag_values, "none", flags32));
ND_PRINT(" metric %u",
- EXTRACT_BE_U_4(lsap->lsa_un.un_asla.asla_metric) &
+ GET_BE_U_4(lsap->lsa_un.un_asla.asla_metric) &
ASLA_MASK_METRIC);
tptr = (const uint8_t *)lsap->lsa_un.un_asla.asla_prefix;
bytelen = ospf6_print_lsaprefix(ndo, tptr, lsa_length);
if (bytelen < 0)
goto trunc;
+ /*
+ * ospf6_print_lsaprefix() will return -1 if
+ * the length is too high, so this will not
+ * underflow.
+ */
lsa_length -= bytelen;
tptr += bytelen;
if (lsa_length < sizeof (nd_ipv6))
return (1);
lsa_length -= sizeof (nd_ipv6);
- ND_TCHECK_8(tptr);
ND_PRINT(" forward %s",
- ip6addr_string(ndo, tptr));
+ GET_IP6ADDR_STRING(tptr));
tptr += sizeof(nd_ipv6);
}
if (lsa_length < sizeof (uint32_t))
return (1);
lsa_length -= sizeof (uint32_t);
- ND_TCHECK_4(tptr);
ND_PRINT(" tag %s",
- ipaddr_string(ndo, tptr));
+ GET_IPADDR_STRING(tptr));
tptr += sizeof(uint32_t);
}
- if (EXTRACT_U_1(lsapp->lsa_p_metric)) {
+ if (GET_U_1(lsapp->lsa_p_metric)) {
if (lsa_length < sizeof (uint32_t))
return (1);
lsa_length -= sizeof (uint32_t);
- ND_TCHECK_4(tptr);
ND_PRINT(" RefLSID: %s",
- ipaddr_string(ndo, tptr));
+ GET_IPADDR_STRING(tptr));
tptr += sizeof(uint32_t);
}
break;
ND_TCHECK_SIZE(&llsap->llsa_priandopt);
ND_PRINT("\n\t Options [%s]",
bittok2str(ospf6_option_values, "none",
- EXTRACT_BE_U_4(llsap->llsa_options)));
+ GET_BE_U_4(llsap->llsa_options)));
if (lsa_length < sizeof (llsap->llsa_lladdr) + sizeof (llsap->llsa_nprefix))
return (1);
lsa_length -= sizeof (llsap->llsa_lladdr) + sizeof (llsap->llsa_nprefix);
- ND_TCHECK_4(llsap->llsa_nprefix);
- prefixes = EXTRACT_BE_U_4(llsap->llsa_nprefix);
+ prefixes = GET_BE_U_4(llsap->llsa_nprefix);
ND_PRINT("\n\t Priority %u, Link-local address %s, Prefixes %u:",
- EXTRACT_U_1(llsap->llsa_priority),
- ip6addr_string(ndo, llsap->llsa_lladdr),
+ GET_U_1(llsap->llsa_priority),
+ GET_IP6ADDR_STRING(llsap->llsa_lladdr),
prefixes);
tptr = (const uint8_t *)llsap->llsa_prefix;
if (bytelen < 0)
goto trunc;
prefixes--;
+ /*
+ * ospf6_print_lsaprefix() will return -1 if
+ * the length is too high, so this will not
+ * underflow.
+ */
lsa_length -= bytelen;
tptr += bytelen;
}
lsa_length -= sizeof (lsap->lsa_un.un_intra_ap.intra_ap_rtid);
ND_TCHECK_4(lsap->lsa_un.un_intra_ap.intra_ap_rtid);
ospf6_print_ls_type(ndo,
- EXTRACT_BE_U_2(lsap->lsa_un.un_intra_ap.intra_ap_lstype),
+ GET_BE_U_2(lsap->lsa_un.un_intra_ap.intra_ap_lstype),
&lsap->lsa_un.un_intra_ap.intra_ap_lsid);
if (lsa_length < sizeof (lsap->lsa_un.un_intra_ap.intra_ap_nprefix))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
- ND_TCHECK_2(lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
- prefixes = EXTRACT_BE_U_2(lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
+ prefixes = GET_BE_U_2(lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
ND_PRINT("\n\t Prefixes %u:", prefixes);
tptr = (const uint8_t *)lsap->lsa_un.un_intra_ap.intra_ap_prefix;
if (bytelen < 0)
goto trunc;
prefixes--;
+ /*
+ * ospf6_print_lsaprefix() will return -1 if
+ * the length is too high, so this will not
+ * underflow.
+ */
lsa_length -= bytelen;
tptr += bytelen;
}
break;
case LS_TYPE_GRACE | LS_SCOPE_LINKLOCAL:
- if (ospf_print_grace_lsa(ndo, tptr, lsa_length) == -1) {
+ if (ospf_grace_lsa_print(ndo, tptr, lsa_length) == -1) {
return 1;
}
break;
case LS_TYPE_INTRA_ATE | LS_SCOPE_LINKLOCAL:
- if (ospf_print_te_lsa(ndo, tptr, lsa_length) == -1) {
+ if (ospf_te_lsa_print(ndo, tptr, lsa_length) == -1) {
return 1;
}
break;
const struct lsr6 *lsrp;
const struct lsa6_hdr *lshp;
const struct lsa6 *lsap;
- int i;
+ uint32_t i;
- switch (EXTRACT_U_1(op->ospf6_type)) {
+ switch (GET_U_1(op->ospf6_type)) {
case OSPF_TYPE_HELLO: {
const struct hello6 *hellop = (const struct hello6 *)((const uint8_t *)op + OSPF6HDR_LEN);
- ND_TCHECK_4(hellop->hello_options);
ND_PRINT("\n\tOptions [%s]",
bittok2str(ospf6_option_values, "none",
- EXTRACT_BE_U_4(hellop->hello_options)));
+ GET_BE_U_4(hellop->hello_options)));
- ND_TCHECK_2(hellop->hello_deadint);
ND_PRINT("\n\t Hello Timer %us, Dead Timer %us, Interface-ID %s, Priority %u",
- EXTRACT_BE_U_2(hellop->hello_helloint),
- EXTRACT_BE_U_2(hellop->hello_deadint),
- ipaddr_string(ndo, hellop->hello_ifid),
- EXTRACT_U_1(hellop->hello_priority));
+ GET_BE_U_2(hellop->hello_helloint),
+ GET_BE_U_2(hellop->hello_deadint),
+ GET_IPADDR_STRING(hellop->hello_ifid),
+ GET_U_1(hellop->hello_priority));
- ND_TCHECK_4(hellop->hello_dr);
- if (EXTRACT_BE_U_4(hellop->hello_dr) != 0)
+ if (GET_BE_U_4(hellop->hello_dr) != 0)
ND_PRINT("\n\t Designated Router %s",
- ipaddr_string(ndo, hellop->hello_dr));
- ND_TCHECK_4(hellop->hello_bdr);
- if (EXTRACT_BE_U_4(hellop->hello_bdr) != 0)
+ GET_IPADDR_STRING(hellop->hello_dr));
+ if (GET_BE_U_4(hellop->hello_bdr) != 0)
ND_PRINT(", Backup Designated Router %s",
- ipaddr_string(ndo, hellop->hello_bdr));
+ GET_IPADDR_STRING(hellop->hello_bdr));
if (ndo->ndo_vflag > 1) {
ND_PRINT("\n\t Neighbor List:");
ap = hellop->hello_neighbor;
while ((const u_char *)ap < dataend) {
- ND_TCHECK_SIZE(ap);
- ND_PRINT("\n\t %s", ipaddr_string(ndo, *ap));
+ ND_PRINT("\n\t %s", GET_IPADDR_STRING(ap));
++ap;
}
}
case OSPF_TYPE_DD: {
const struct dd6 *ddp = (const struct dd6 *)((const uint8_t *)op + OSPF6HDR_LEN);
- ND_TCHECK_4(ddp->db_options);
ND_PRINT("\n\tOptions [%s]",
bittok2str(ospf6_option_values, "none",
- EXTRACT_BE_U_4(ddp->db_options)));
- ND_TCHECK_1(ddp->db_flags);
+ GET_BE_U_4(ddp->db_options)));
ND_PRINT(", DD Flags [%s]",
- bittok2str(ospf6_dd_flag_values,"none",EXTRACT_U_1(ddp->db_flags)));
+ bittok2str(ospf6_dd_flag_values,"none",GET_U_1(ddp->db_flags)));
- ND_TCHECK_4(ddp->db_seq);
ND_PRINT(", MTU %u, DD-Sequence 0x%08x",
- EXTRACT_BE_U_2(ddp->db_mtu),
- EXTRACT_BE_U_4(ddp->db_seq));
+ GET_BE_U_2(ddp->db_mtu),
+ GET_BE_U_4(ddp->db_seq));
if (ndo->ndo_vflag > 1) {
/* Print all the LS adv's */
lshp = ddp->db_lshdr;
while ((const u_char *)lsrp < dataend) {
ND_TCHECK_SIZE(lsrp);
ND_PRINT("\n\t Advertising Router %s",
- ipaddr_string(ndo, lsrp->ls_router));
+ GET_IPADDR_STRING(lsrp->ls_router));
ospf6_print_ls_type(ndo,
- EXTRACT_BE_U_2(lsrp->ls_type),
+ GET_BE_U_2(lsrp->ls_type),
&lsrp->ls_stateid);
++lsrp;
}
if (ndo->ndo_vflag > 1) {
const struct lsu6 *lsup = (const struct lsu6 *)((const uint8_t *)op + OSPF6HDR_LEN);
- ND_TCHECK_4(lsup->lsu_count);
- i = EXTRACT_BE_U_4(lsup->lsu_count);
+ i = GET_BE_U_4(lsup->lsu_count);
lsap = lsup->lsu_lsa;
while ((const u_char *)lsap < dataend && i--) {
if (ospf6_print_lsa(ndo, lsap, dataend))
goto trunc;
lsap = (const struct lsa6 *)((const u_char *)lsap +
- EXTRACT_BE_U_2(lsap->ls_hdr.ls_length));
+ GET_BE_U_2(lsap->ls_hdr.ls_length));
}
}
break;
if (len < OSPF_LLS_HDRLEN)
goto trunc;
/* Checksum */
- ND_TCHECK_2(cp);
- ND_PRINT("\n\tLLS Checksum 0x%04x", EXTRACT_BE_U_2(cp));
+ ND_PRINT("\n\tLLS Checksum 0x%04x", GET_BE_U_2(cp));
cp += 2;
/* LLS Data Length */
- ND_TCHECK_2(cp);
- llsdatalen = EXTRACT_BE_U_2(cp);
+ llsdatalen = GET_BE_U_2(cp);
ND_PRINT(", Data Length %u", llsdatalen);
if (llsdatalen < OSPF_LLS_HDRLEN || llsdatalen > len)
goto trunc;
if (len < OSPF6_AT_HDRLEN)
goto trunc;
/* Authentication Type */
- ND_TCHECK_2(cp);
- ND_PRINT("\n\tAuthentication Type %s", tok2str(ospf6_auth_type_str, "unknown (0x%04x)", EXTRACT_BE_U_2(cp)));
+ ND_PRINT("\n\tAuthentication Type %s",
+ tok2str(ospf6_auth_type_str, "unknown (0x%04x)", GET_BE_U_2(cp)));
cp += 2;
/* Auth Data Len */
- ND_TCHECK_2(cp);
- authdatalen = EXTRACT_BE_U_2(cp);
+ authdatalen = GET_BE_U_2(cp);
ND_PRINT(", Length %u", authdatalen);
if (authdatalen < OSPF6_AT_HDRLEN || authdatalen > len)
goto trunc;
cp += 2;
/* Reserved */
- ND_TCHECK_2(cp);
cp += 2;
/* Security Association ID */
- ND_TCHECK_2(cp);
- ND_PRINT(", SAID %u", EXTRACT_BE_U_2(cp));
+ ND_PRINT(", SAID %u", GET_BE_U_2(cp));
cp += 2;
/* Cryptographic Sequence Number (High-Order 32 Bits) */
- ND_TCHECK_4(cp);
- ND_PRINT(", CSN 0x%08x", EXTRACT_BE_U_4(cp));
+ ND_PRINT(", CSN 0x%08x", GET_BE_U_4(cp));
cp += 4;
/* Cryptographic Sequence Number (Low-Order 32 Bits) */
- ND_TCHECK_4(cp);
- ND_PRINT(":%08x", EXTRACT_BE_U_4(cp));
+ ND_PRINT(":%08x", GET_BE_U_4(cp));
cp += 4;
/* Authentication Data */
ND_TCHECK_LEN(cp, authdatalen - OSPF6_AT_HDRLEN);
int lls_hello = 0;
int lls_dd = 0;
- type = EXTRACT_U_1(op->ospf6_type);
+ type = GET_U_1(op->ospf6_type);
if (type == OSPF_TYPE_HELLO) {
const struct hello6 *hellop = (const struct hello6 *)((const uint8_t *)op + OSPF6HDR_LEN);
- ND_TCHECK_4(hellop->hello_options);
- if (EXTRACT_BE_U_4(hellop->hello_options) & OSPF6_OPTION_L)
+ if (GET_BE_U_4(hellop->hello_options) & OSPF6_OPTION_L)
lls_hello = 1;
} else if (type == OSPF_TYPE_DD) {
const struct dd6 *ddp = (const struct dd6 *)((const uint8_t *)op + OSPF6HDR_LEN);
- ND_TCHECK_4(ddp->db_options);
- if (EXTRACT_BE_U_4(ddp->db_options) & OSPF6_OPTION_L)
+ if (GET_BE_U_4(ddp->db_options) & OSPF6_OPTION_L)
lls_dd = 1;
}
if ((lls_hello || lls_dd) && (llslen = ospf6_print_lls(ndo, cp, len)) < 0)
const char *cp;
uint16_t datalen;
+ ndo->ndo_protocol = "ospf3";
op = (const struct ospf6hdr *)bp;
/* If the type is valid translate it, or just print the type */
/* value. If it's not valid, say so and return */
- ND_TCHECK_1(op->ospf6_type);
- cp = tok2str(ospf6_type_values, "unknown packet type (%u)", EXTRACT_U_1(op->ospf6_type));
- ND_PRINT("OSPFv%u, %s, length %u", EXTRACT_U_1(op->ospf6_version), cp, length);
+ cp = tok2str(ospf6_type_values, "unknown packet type (%u)",
+ GET_U_1(op->ospf6_type));
+ ND_PRINT("OSPFv%u, %s, length %u", GET_U_1(op->ospf6_version), cp,
+ length);
if (*cp == 'u') {
return;
}
}
/* OSPFv3 data always comes first and optional trailing data may follow. */
- ND_TCHECK_2(op->ospf6_len);
- datalen = EXTRACT_BE_U_2(op->ospf6_len);
+ datalen = GET_BE_U_2(op->ospf6_len);
if (datalen > length) {
ND_PRINT(" [len %u]", datalen);
return;
}
dataend = bp + datalen;
- ND_TCHECK_4(op->ospf6_routerid);
- ND_PRINT("\n\tRouter-ID %s", ipaddr_string(ndo, op->ospf6_routerid));
+ ND_PRINT("\n\tRouter-ID %s", GET_IPADDR_STRING(op->ospf6_routerid));
- ND_TCHECK_4(op->ospf6_areaid);
- if (EXTRACT_BE_U_4(op->ospf6_areaid) != 0)
- ND_PRINT(", Area %s", ipaddr_string(ndo, op->ospf6_areaid));
+ if (GET_BE_U_4(op->ospf6_areaid) != 0)
+ ND_PRINT(", Area %s", GET_IPADDR_STRING(op->ospf6_areaid));
else
ND_PRINT(", Backbone Area");
- ND_TCHECK_1(op->ospf6_instanceid);
- if (EXTRACT_U_1(op->ospf6_instanceid))
- ND_PRINT(", Instance %u", EXTRACT_U_1(op->ospf6_instanceid));
+ if (GET_U_1(op->ospf6_instanceid))
+ ND_PRINT(", Instance %u", GET_U_1(op->ospf6_instanceid));
/* Do rest according to version. */
- switch (EXTRACT_U_1(op->ospf6_version)) {
+ switch (GET_U_1(op->ospf6_version)) {
case 3:
/* ospf version 3 */
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
projects / tcpdump / blobdiff