add boundary, infinite loop checks

[tcpdump] / ospf.h

diff --git a/ospf.h b/ospf.h
index 66fe0d842176472423113abcff0377755dd4fcfc..8cca5f38707ab93b62d865c3d847c56828925b1a 100644 (file)
--- a/ospf.h
+++ b/ospf.h
@@ -1,4 +1,4 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/ospf.h,v 1.10 2003-10-04 14:29:52 hannes Exp $ (LBL) */
+/* @(#) $Header: /tcpdump/master/tcpdump/ospf.h,v 1.16 2004-09-20 14:56:34 hannes Exp $ (LBL) */
 /*
  * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
  *     The Regents of the University of California.  All rights reserved.
@@ -43,6 +43,7 @@
 #define        OSPF_OPTION_EA  0x10    /* EA bit: External Attribute capable */
 #define        OSPF_OPTION_DC  0x20    /* DC bit: Demand circuit capable */
 #define        OSPF_OPTION_O   0x40    /* O bit: Opaque LSA capable */
+#define        OSPF_OPTION_DN  0x80    /* DN bit: Up/Down Bit capable - draft-ietf-ospf-2547-dnbit-04 */
 
 /* ospf_authtype       */
 #define        OSPF_AUTH_NONE          0       /* No auth-data */
@@ -63,13 +64,14 @@
 #define        LS_TYPE_ASE             5   /* ASE  */
 #define        LS_TYPE_GROUP           6   /* Group membership (multicast */
                                    /* extensions 23 July 1991) */
-#define        LS_TYPE_NSSA            7   /* rfc1587 - Not so Stubby Areas */
+#define        LS_TYPE_NSSA            7   /* rfc3101 - Not so Stubby Areas */
 #define        LS_TYPE_OPAQUE_LL       9   /* rfc2370 - Opaque Link Local */
 #define        LS_TYPE_OPAQUE_AL      10   /* rfc2370 - Opaque Link Local */
 #define        LS_TYPE_OPAQUE_DW      11   /* rfc2370 - Opaque Domain Wide */
 
 #define LS_OPAQUE_TYPE_TE       1   /* rfc3630 */
-#define LS_OPAQUE_TYPE_GRACE    3   /* draft-ietf-ospf-hitless-restart */
+#define LS_OPAQUE_TYPE_GRACE    3   /* rfc3623 */
+#define LS_OPAQUE_TYPE_RI       4   /* draft-ietf-ospf-cap-03 */
 
 #define LS_OPAQUE_TE_TLV_ROUTER 1   /* rfc3630 */
 #define LS_OPAQUE_TE_TLV_LINK   2   /* rfc3630 */
@@ -87,10 +89,22 @@
 #define LS_OPAQUE_TE_LINK_SUBTLV_LINK_PROTECTION_TYPE 14 /* draft-ietf-ccamp-ospf-gmpls-extensions */
 #define LS_OPAQUE_TE_LINK_SUBTLV_INTF_SW_CAP_DESCR    15 /* draft-ietf-ccamp-ospf-gmpls-extensions */
 #define LS_OPAQUE_TE_LINK_SUBTLV_SHARED_RISK_GROUP    16 /* draft-ietf-ccamp-ospf-gmpls-extensions */
+#define LS_OPAQUE_TE_LINK_SUBTLV_DIFFSERV_TE          17 /* draft-ietf-tewg-diff-te-proto-06 */
 
 #define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_PTP        1  /* rfc3630 */
 #define LS_OPAQUE_TE_LINK_SUBTLV_LINK_TYPE_MA         2  /* rfc3630 */
 
+#define LS_OPAQUE_GRACE_TLV_PERIOD       1 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_REASON       2 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_INT_ADDRESS  3 /* rfc3623 */
+
+#define LS_OPAQUE_GRACE_TLV_REASON_UNKNOWN     0 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_REASON_SW_RESTART  1 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_REASON_SW_UPGRADE  2 /* rfc3623 */
+#define LS_OPAQUE_GRACE_TLV_REASON_CP_SWITCH   3 /* rfc3623 */
+
+#define LS_OPAQUE_RI_TLV_CAP             1 /* draft-ietf-ospf-cap-03 */
+
 /*************************************************
  *
  * is the above a bug in the documentation?
@@ -198,6 +212,20 @@ struct lsa {
            u_int8_t data[1]; /* may repeat   */
        } un_te_lsa_tlv;
 
+        /* Opaque Grace LSA */
+        struct {
+           u_int16_t type;
+           u_int16_t length;
+           u_int8_t data[1]; /* may repeat   */
+       } un_grace_tlv;
+
+        /* Opaque Router information LSA */
+        struct {
+           u_int16_t type;
+           u_int16_t length;
+           u_int8_t data[1]; /* may repeat   */
+       } un_ri_tlv;
+
         /* Unknown LSA */
         struct unknown {
            u_int8_t data[1]; /* may repeat   */
@@ -255,8 +283,14 @@ struct ospfhdr {
 
        /* Link State Request */
        struct lsr {
-           u_int32_t ls_type;
-           struct in_addr ls_stateid;
+           u_int8_t ls_type[4];
+            union {
+                struct in_addr ls_stateid;
+                struct { /* opaque LSAs change the LSA-ID field */
+                    u_int8_t opaque_type;
+                    u_int8_t opaque_id[3];
+                } opaque_field;
+            } un_ls_stateid;
            struct in_addr ls_router;
        } un_lsr[1];            /* may repeat   */