forked from osmocom/wireshark
136 lines
3.1 KiB
C
136 lines
3.1 KiB
C
/* packet-ospf.h (c) 1998 Hannes Boehm */
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#define OSPF_HEADER_LENGTH 24
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#define OSPF_HELLO 1
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#define OSPF_DB_DESC 2
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#define OSPF_LS_REQ 3
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#define OSPF_LS_UPD 4
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#define OSPF_LS_ACK 5
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#define OSPF_AUTH_NONE 0
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#define OSPF_AUTH_SIMPLE 1
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#define OSPF_AUTH_CRYPT 2
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#define OSPF_OPTIONS_E 2
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#define OSPF_OPTIONS_MC 4
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#define OSPF_OPTIONS_NP 8
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#define OSPF_OPTIONS_EA 16
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#define OSPF_OPTIONS_DC 32
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#define OSPF_DBD_FLAG_MS 1
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#define OSPF_DBD_FLAG_M 2
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#define OSPF_DBD_FLAG_I 4
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#define OSPF_LS_REQ_LENGTH 12
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#define OSPF_LSTYPE_ROUTER 1
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#define OSPF_LSTYPE_NETWORK 2
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#define OSPF_LSTYPE_SUMMERY 3
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#define OSPF_LSTYPE_ASBR 4
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#define OSPF_LSTYPE_ASEXT 5
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#define OSPF_LINK_PTP 1
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#define OSPF_LINK_TRANSIT 2
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#define OSPF_LINK_STUB 3
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#define OSPF_LINK_VIRTUAL 4
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#define OSPF_LSA_HEADER_LENGTH 20
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typedef struct _e_ospfhdr {
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guint8 version;
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guint8 packet_type;
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guint16 length;
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guint32 routerid;
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guint32 area;
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guint16 checksum;
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guint16 auth_type;
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char auth_data[8];
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} e_ospfhdr;
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typedef struct _e_ospf_hello {
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guint32 network_mask;
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guint16 hellointervall;
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guint8 options;
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guint8 priority;
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guint32 dead_interval;
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guint32 drouter;
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guint32 bdrouter;
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} e_ospf_hello ;
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typedef struct _e_ospf_dbd {
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guint16 interface_mtu;
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guint8 options;
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guint8 flags;
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guint32 dd_sequence;
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} e_ospf_dbd;
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typedef struct _e_ospf_ls_req {
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guint32 ls_type;
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guint32 ls_id;
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guint32 adv_router;
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} e_ospf_ls_req;
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typedef struct _e_ospf_lsa_hdr {
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guint16 ls_age;
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guint8 options;
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guint8 ls_type;
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guint32 ls_id;
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guint32 adv_router;
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guint32 ls_seq;
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guint16 ls_checksum;
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guint16 length;
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} e_ospf_lsa_hdr;
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typedef struct _e_ospf_router_lsa {
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guint8 flags;
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guint8 empfty;
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guint16 nr_links;
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} e_ospf_router_lsa;
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typedef struct _e_ospf_router_data {
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guint32 link_id;
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guint32 link_data;
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guint8 link_type;
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guint8 nr_tos;
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guint16 tos0_metric;
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} e_ospf_router_data;
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typedef struct _e_ospf_router_metric {
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guint8 tos;
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guint8 empty;
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guint16 metric;
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} e_ospf_router_metric;
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typedef struct _e_ospf_network_lsa {
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guint32 network_mask;
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} e_ospf_network_lsa;
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typedef struct _e_ospf_lsa_upd_hdr {
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guint32 lsa_nr;
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} e_ospf_lsa_upd_hdr;
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typedef struct _e_ospf_summary_lsa {
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guint32 network_mask;
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} e_ospf_summary_lsa;
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typedef struct _e_ospf_asexternal_lsa {
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guint8 options;
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guint8 metric[3];
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guint32 gateway;
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guint32 external_tag;
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} e_ospf_asexternal_lsa;
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void dissect_ospf_hello(const u_char*, int, frame_data*, proto_tree*);
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void dissect_ospf_db_desc(const u_char*, int, frame_data*, proto_tree*);
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void dissect_ospf_ls_req(const u_char*, int, frame_data*, proto_tree*);
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void dissect_ospf_ls_upd(const u_char*, int, frame_data*, proto_tree*);
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void dissect_ospf_ls_ack(const u_char*, int, frame_data*, proto_tree*);
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/* dissect_ospf_lsa returns the length of the LSA
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* if disassemble_body is set to FALSE (e.g. in LSA ACK
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* packets), the LSA-header length is returned (20)
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*/
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int dissect_ospf_lsa(const u_char*, int, frame_data*, proto_tree*, int disassemble_body);
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