*/
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-ospf6.c,v 1.15 2006-09-13 06:31:11 guy Exp $ (LBL)";
-#endif
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "extract.h"
#include "ospf.h"
-#include "ospf6.h"
+
+#define OSPF_TYPE_HELLO 1 /* Hello */
+#define OSPF_TYPE_DD 2 /* Database Description */
+#define OSPF_TYPE_LS_REQ 3 /* Link State Request */
+#define OSPF_TYPE_LS_UPDATE 4 /* Link State Update */
+#define OSPF_TYPE_LS_ACK 5 /* Link State Ack */
+
+/* Options *_options */
+#define OSPF6_OPTION_V6 0x01 /* V6 bit: A bit for peeping tom */
+#define OSPF6_OPTION_E 0x02 /* E bit: External routes advertised */
+#define OSPF6_OPTION_MC 0x04 /* MC bit: Multicast capable */
+#define OSPF6_OPTION_N 0x08 /* N bit: For type-7 LSA */
+#define OSPF6_OPTION_R 0x10 /* R bit: Router bit */
+#define OSPF6_OPTION_DC 0x20 /* DC bit: Demand circuits */
+/* The field is actually 24-bit (RFC5340 Section A.2). */
+#define OSPF6_OPTION_AF 0x0100 /* AF bit: Multiple address families */
+#define OSPF6_OPTION_L 0x0200 /* L bit: Link-local signaling (LLS) */
+#define OSPF6_OPTION_AT 0x0400 /* AT bit: Authentication trailer */
+
+
+/* db_flags */
+#define OSPF6_DB_INIT 0x04 /* */
+#define OSPF6_DB_MORE 0x02
+#define OSPF6_DB_MASTER 0x01
+#define OSPF6_DB_M6 0x10 /* IPv6 MTU */
+
+/* ls_type */
+#define LS_TYPE_ROUTER 1 /* router link */
+#define LS_TYPE_NETWORK 2 /* network link */
+#define LS_TYPE_INTER_AP 3 /* Inter-Area-Prefix */
+#define LS_TYPE_INTER_AR 4 /* Inter-Area-Router */
+#define LS_TYPE_ASE 5 /* ASE */
+#define LS_TYPE_GROUP 6 /* Group membership */
+#define LS_TYPE_NSSA 7 /* NSSA */
+#define LS_TYPE_LINK 8 /* Link LSA */
+#define LS_TYPE_INTRA_AP 9 /* Intra-Area-Prefix */
+#define LS_TYPE_INTRA_ATE 10 /* Intra-Area-TE */
+#define LS_TYPE_GRACE 11 /* Grace LSA */
+#define LS_TYPE_RI 12 /* Router information */
+#define LS_TYPE_INTER_ASTE 13 /* Inter-AS-TE */
+#define LS_TYPE_L1VPN 14 /* L1VPN */
+#define LS_TYPE_MASK 0x1fff
+
+#define LS_SCOPE_LINKLOCAL 0x0000
+#define LS_SCOPE_AREA 0x2000
+#define LS_SCOPE_AS 0x4000
+#define LS_SCOPE_MASK 0x6000
+#define LS_SCOPE_U 0x8000
+
+/* rla_link.link_type */
+#define RLA_TYPE_ROUTER 1 /* point-to-point to another router */
+#define RLA_TYPE_TRANSIT 2 /* connection to transit network */
+#define RLA_TYPE_VIRTUAL 4 /* virtual link */
+
+/* rla_flags */
+#define RLA_FLAG_B 0x01
+#define RLA_FLAG_E 0x02
+#define RLA_FLAG_V 0x04
+#define RLA_FLAG_W 0x08
+#define RLA_FLAG_N 0x10
+
+/* lsa_prefix options */
+#define LSA_PREFIX_OPT_NU 0x01
+#define LSA_PREFIX_OPT_LA 0x02
+#define LSA_PREFIX_OPT_MC 0x04
+#define LSA_PREFIX_OPT_P 0x08
+#define LSA_PREFIX_OPT_DN 0x10
+
+/* sla_tosmetric breakdown */
+#define SLA_MASK_TOS 0x7f000000
+#define SLA_MASK_METRIC 0x00ffffff
+#define SLA_SHIFT_TOS 24
+
+/* asla_metric */
+#define ASLA_FLAG_FWDADDR 0x02000000
+#define ASLA_FLAG_ROUTETAG 0x01000000
+#define ASLA_MASK_METRIC 0x00ffffff
+
+/* RFC6506 Section 4.1 */
+#define OSPF6_AT_HDRLEN 16U
+#define OSPF6_AUTH_TYPE_HMAC 0x0001
+
+typedef u_int32_t rtrid_t;
+
+/* link state advertisement header */
+struct lsa6_hdr {
+ u_int16_t ls_age;
+ u_int16_t ls_type;
+ rtrid_t ls_stateid;
+ rtrid_t ls_router;
+ u_int32_t ls_seq;
+ u_int16_t ls_chksum;
+ u_int16_t ls_length;
+};
+
+struct lsa6_prefix {
+ u_int8_t lsa_p_len;
+ u_int8_t lsa_p_opt;
+ u_int16_t lsa_p_metric;
+ u_int8_t lsa_p_prefix[4];
+};
+
+/* link state advertisement */
+struct lsa6 {
+ struct lsa6_hdr ls_hdr;
+
+ /* Link state types */
+ union {
+ /* Router links advertisements */
+ struct {
+ union {
+ u_int8_t flg;
+ u_int32_t opt;
+ } rla_flgandopt;
+#define rla_flags rla_flgandopt.flg
+#define rla_options rla_flgandopt.opt
+ struct rlalink6 {
+ u_int8_t link_type;
+ u_int8_t link_zero[1];
+ u_int16_t link_metric;
+ u_int32_t link_ifid;
+ u_int32_t link_nifid;
+ rtrid_t link_nrtid;
+ } rla_link[1]; /* may repeat */
+ } un_rla;
+
+ /* Network links advertisements */
+ struct {
+ u_int32_t nla_options;
+ rtrid_t nla_router[1]; /* may repeat */
+ } un_nla;
+
+ /* Inter Area Prefix LSA */
+ struct {
+ u_int32_t inter_ap_metric;
+ struct lsa6_prefix inter_ap_prefix[1];
+ } un_inter_ap;
+
+ /* AS external links advertisements */
+ struct {
+ u_int32_t asla_metric;
+ struct lsa6_prefix asla_prefix[1];
+ /* some optional fields follow */
+ } un_asla;
+
+#if 0
+ /* Summary links advertisements */
+ struct {
+ struct in_addr sla_mask;
+ u_int32_t sla_tosmetric[1]; /* may repeat */
+ } un_sla;
+
+ /* Multicast group membership */
+ struct mcla {
+ u_int32_t mcla_vtype;
+ struct in_addr mcla_vid;
+ } un_mcla[1];
+#endif
+
+ /* Type 7 LSA */
+
+ /* Link LSA */
+ struct llsa {
+ union {
+ u_int8_t pri;
+ u_int32_t opt;
+ } llsa_priandopt;
+#define llsa_priority llsa_priandopt.pri
+#define llsa_options llsa_priandopt.opt
+ struct in6_addr llsa_lladdr;
+ u_int32_t llsa_nprefix;
+ struct lsa6_prefix llsa_prefix[1];
+ } un_llsa;
+
+ /* Intra-Area-Prefix */
+ struct {
+ u_int16_t intra_ap_nprefix;
+ u_int16_t intra_ap_lstype;
+ rtrid_t intra_ap_lsid;
+ rtrid_t intra_ap_rtid;
+ struct lsa6_prefix intra_ap_prefix[1];
+ } un_intra_ap;
+ } lsa_un;
+};
+
+/*
+ * the main header
+ */
+struct ospf6hdr {
+ u_int8_t ospf6_version;
+ u_int8_t ospf6_type;
+ u_int16_t ospf6_len;
+ rtrid_t ospf6_routerid;
+ rtrid_t ospf6_areaid;
+ u_int16_t ospf6_chksum;
+ u_int8_t ospf6_instanceid;
+ u_int8_t ospf6_rsvd;
+ union {
+
+ /* Hello packet */
+ struct {
+ u_int32_t hello_ifid;
+ union {
+ u_int8_t pri;
+ u_int32_t opt;
+ } hello_priandopt;
+#define hello_priority hello_priandopt.pri
+#define hello_options hello_priandopt.opt
+ u_int16_t hello_helloint;
+ u_int16_t hello_deadint;
+ rtrid_t hello_dr;
+ rtrid_t hello_bdr;
+ rtrid_t hello_neighbor[1]; /* may repeat */
+ } un_hello;
+
+ /* Database Description packet */
+ struct {
+ u_int32_t db_options;
+ u_int16_t db_mtu;
+ u_int8_t db_mbz;
+ u_int8_t db_flags;
+ u_int32_t db_seq;
+ struct lsa6_hdr db_lshdr[1]; /* may repeat */
+ } un_db;
+
+ /* Link State Request */
+ struct lsr6 {
+ u_int16_t ls_mbz;
+ u_int16_t ls_type;
+ rtrid_t ls_stateid;
+ rtrid_t ls_router;
+ } un_lsr[1]; /* may repeat */
+
+ /* Link State Update */
+ struct {
+ u_int32_t lsu_count;
+ struct lsa6 lsu_lsa[1]; /* may repeat */
+ } un_lsu;
+
+ /* Link State Acknowledgement */
+ struct {
+ struct lsa6_hdr lsa_lshdr[1]; /* may repeat */
+ } un_lsa ;
+ } ospf6_un ;
+};
+
+#define ospf6_hello ospf6_un.un_hello
+#define ospf6_db ospf6_un.un_db
+#define ospf6_lsr ospf6_un.un_lsr
+#define ospf6_lsu ospf6_un.un_lsu
+#define ospf6_lsa ospf6_un.un_lsa
static const char tstr[] = " [|ospf3]";
"\n\t Neighbor Interface-ID %s, Interface %s",
ipaddr_string(&rlp->link_nrtid),
ipaddr_string(&rlp->link_nifid),
- ipaddr_string(&rlp->link_ifid));
+ ipaddr_string(&rlp->link_ifid));
break;
case RLA_TYPE_ROUTER:
"\n\t Neighbor Interface-ID %s, Interface %s",
ipaddr_string(&rlp->link_nrtid),
ipaddr_string(&rlp->link_nifid),
- ipaddr_string(&rlp->link_ifid));
+ ipaddr_string(&rlp->link_ifid));
break;
case RLA_TYPE_TRANSIT:
break;
default:
- if(!print_unknown_data(tptr,
+ if(!print_unknown_data(gndo,tptr,
"\n\t ",
lsa_length)) {
return (1);
/* Authentication Data */
TCHECK2(*cp, authdatalen - OSPF6_AT_HDRLEN);
if (vflag > 1)
- print_unknown_data(cp, "\n\tAuthentication Data ", authdatalen - OSPF6_AT_HDRLEN);
+ print_unknown_data(gndo,cp, "\n\tAuthentication Data ", authdatalen - OSPF6_AT_HDRLEN);
return 0;
trunc:
projects / tcpdump / blobdiff