add tracefiles for infinite loop testing

[tcpdump] / print-bgp.c

diff --git a/print-bgp.c b/print-bgp.c
index 6675544b1b97d08f9ac3a1cbe49260a7f8ed93b4..08908019f8845fa3d9ffcdfcc16bb254cedc1b5c 100644 (file)
--- a/print-bgp.c
+++ b/print-bgp.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (C) 1999 WIDE Project.
  * All rights reserved.
 /*
  * Copyright (C) 1999 WIDE Project.
  * All rights reserved.

- * 
+ *

  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:


@@ -13,7 +13,7 @@
  * 3. Neither the name of the project nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  * 3. Neither the name of the project nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.

- * 
+ *

  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE


@@ -25,6 +25,9 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.

+ *
+ * Extensively modified by Hannes Gredler ([email protected]) for more
+ * complete BGP support.

  */
 
 #ifdef HAVE_CONFIG_H
  */
 
 #ifdef HAVE_CONFIG_H


@@ -32,23 +35,18 @@
 #endif
 
 #ifndef lint
 #endif
 
 #ifndef lint

-static const char rcsid[] =
-     "@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.17 2000-09-29 04:58:34 guy Exp $";
+static const char rcsid[] _U_ =
+     "@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.72.2.5 2005-04-27 18:42:28 hannes Exp $";

 #endif
 
 #endif
 

-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/socket.h>
+#include <tcpdump-stdinc.h>

 
 

-#include <netinet/in.h>
-
-#include <errno.h>

 #include <stdio.h>
 #include <string.h>
 
 #include "interface.h"
 #include "addrtoname.h"
 #include <stdio.h>
 #include <string.h>
 
 #include "interface.h"
 #include "addrtoname.h"

+#include "extract.h"

 
 struct bgp {
        u_int8_t bgp_marker[16];
 
 struct bgp {
        u_int8_t bgp_marker[16];


@@ -61,6 +59,16 @@ struct bgp {
 #define BGP_UPDATE             2
 #define BGP_NOTIFICATION       3
 #define BGP_KEEPALIVE          4
 #define BGP_UPDATE             2
 #define BGP_NOTIFICATION       3
 #define BGP_KEEPALIVE          4

+#define BGP_ROUTE_REFRESH       5
+
+static struct tok bgp_msg_values[] = {
+    { BGP_OPEN,                 "Open"},
+    { BGP_UPDATE,               "Update"},
+    { BGP_NOTIFICATION,         "Notification"},
+    { BGP_KEEPALIVE,            "Keepalive"},
+    { BGP_ROUTE_REFRESH,        "Route Refresh"},
+    { 0, NULL}
+};

 
 struct bgp_open {
        u_int8_t bgpo_marker[16];
 
 struct bgp_open {
        u_int8_t bgpo_marker[16];


@@ -73,12 +81,14 @@ struct bgp_open {
        u_int8_t bgpo_optlen;
        /* options should follow */
 };
        u_int8_t bgpo_optlen;
        /* options should follow */
 };

+#define BGP_OPEN_SIZE          29      /* unaligned */

 
 struct bgp_opt {
        u_int8_t bgpopt_type;
        u_int8_t bgpopt_len;
        /* variable length */
 };
 
 struct bgp_opt {
        u_int8_t bgpopt_type;
        u_int8_t bgpopt_len;
        /* variable length */
 };

+#define BGP_OPT_SIZE           2       /* some compilers may pad to 4 bytes */

 
 struct bgp_notification {
        u_int8_t bgpn_marker[16];
 
 struct bgp_notification {
        u_int8_t bgpn_marker[16];


@@ -86,8 +96,18 @@ struct bgp_notification {
        u_int8_t bgpn_type;
        u_int8_t bgpn_major;
        u_int8_t bgpn_minor;
        u_int8_t bgpn_type;
        u_int8_t bgpn_major;
        u_int8_t bgpn_minor;

-       /* data should follow */

 };
 };

+#define BGP_NOTIFICATION_SIZE          21      /* unaligned */
+
+struct bgp_route_refresh {
+    u_int8_t  bgp_marker[16];
+    u_int16_t len;
+    u_int8_t  type;
+    u_int8_t  afi[2]; /* the compiler messes this structure up               */
+    u_int8_t  res;    /* when doing misaligned sequences of int8 and int16   */
+    u_int8_t  safi;   /* afi should be int16 - so we have to access it using */
+};                    /* EXTRACT_16BITS(&bgp_route_refresh->afi) (sigh)      */ 
+#define BGP_ROUTE_REFRESH_SIZE          23

 
 struct bgp_attr {
        u_int8_t bgpa_flags;
 
 struct bgp_attr {
        u_int8_t bgpa_flags;


@@ -98,7 +118,7 @@ struct bgp_attr {
        } bgpa_len;
 #define bgp_attr_len(p) \
        (((p)->bgpa_flags & 0x10) ? \
        } bgpa_len;
 #define bgp_attr_len(p) \
        (((p)->bgpa_flags & 0x10) ? \

-               ntohs((p)->bgpa_len.elen) : (p)->bgpa_len.len)
+               EXTRACT_16BITS(&(p)->bgpa_len.elen) : (p)->bgpa_len.len)

 #define bgp_attr_off(p) \
        (((p)->bgpa_flags & 0x10) ? 4 : 3)
 };
 #define bgp_attr_off(p) \
        (((p)->bgpa_flags & 0x10) ? 4 : 3)
 };


@@ -113,88 +133,185 @@ struct bgp_attr {
 #define        BGPTYPE_COMMUNITIES             8       /* RFC1997 */
 #define        BGPTYPE_ORIGINATOR_ID           9       /* RFC1998 */
 #define        BGPTYPE_CLUSTER_LIST            10      /* RFC1998 */
 #define        BGPTYPE_COMMUNITIES             8       /* RFC1997 */
 #define        BGPTYPE_ORIGINATOR_ID           9       /* RFC1998 */
 #define        BGPTYPE_CLUSTER_LIST            10      /* RFC1998 */

-#define        BGPTYPE_DPA                     11      /* work in progress */
+#define        BGPTYPE_DPA                     11      /* draft-ietf-idr-bgp-dpa */

 #define        BGPTYPE_ADVERTISERS             12      /* RFC1863 */
 #define        BGPTYPE_RCID_PATH               13      /* RFC1863 */
 #define BGPTYPE_MP_REACH_NLRI          14      /* RFC2283 */
 #define BGPTYPE_MP_UNREACH_NLRI                15      /* RFC2283 */
 #define        BGPTYPE_ADVERTISERS             12      /* RFC1863 */
 #define        BGPTYPE_RCID_PATH               13      /* RFC1863 */
 #define BGPTYPE_MP_REACH_NLRI          14      /* RFC2283 */
 #define BGPTYPE_MP_UNREACH_NLRI                15      /* RFC2283 */

+#define BGPTYPE_EXTD_COMMUNITIES        16      /* draft-ietf-idr-bgp-ext-communities */
+
+static struct tok bgp_attr_values[] = {
+    { BGPTYPE_ORIGIN,           "Origin"},
+    { BGPTYPE_AS_PATH,          "AS Path"},
+    { BGPTYPE_NEXT_HOP,         "Next Hop"},
+    { BGPTYPE_MULTI_EXIT_DISC,  "Multi Exit Discriminator"},
+    { BGPTYPE_LOCAL_PREF,       "Local Preference"},
+    { BGPTYPE_ATOMIC_AGGREGATE, "Atomic Aggregate"},
+    { BGPTYPE_AGGREGATOR,       "Aggregator"},
+    { BGPTYPE_COMMUNITIES,      "Community"},
+    { BGPTYPE_ORIGINATOR_ID,    "Originator ID"},
+    { BGPTYPE_CLUSTER_LIST,     "Cluster List"},
+    { BGPTYPE_DPA,              "DPA"},
+    { BGPTYPE_ADVERTISERS,      "Advertisers"},
+    { BGPTYPE_RCID_PATH,        "RCID Path / Cluster ID"},
+    { BGPTYPE_MP_REACH_NLRI,    "Multi-Protocol Reach NLRI"},
+    { BGPTYPE_MP_UNREACH_NLRI,  "Multi-Protocol Unreach NLRI"},
+    { BGPTYPE_EXTD_COMMUNITIES, "Extended Community"},
+    { 255,                      "Reserved for development"},
+    { 0, NULL}
+};

 
 

+#define BGP_AS_SET             1
+#define BGP_AS_SEQUENCE        2
+#define BGP_CONFED_AS_SEQUENCE 3 /* draft-ietf-idr-rfc3065bis-01 */
+#define BGP_CONFED_AS_SET      4 /* draft-ietf-idr-rfc3065bis-01  */
+
+static struct tok bgp_as_path_segment_open_values[] = {
+    { BGP_AS_SEQUENCE,         ""},
+    { BGP_AS_SET,              "{ "},
+    { BGP_CONFED_AS_SEQUENCE,  "( "},
+    { BGP_CONFED_AS_SET,       "({ "},
+    { 0, NULL}
+};

 
 

-static const char *bgptype[] = {
-       NULL, "OPEN", "UPDATE", "NOTIFICATION", "KEEPALIVE",
+static struct tok bgp_as_path_segment_close_values[] = {
+    { BGP_AS_SEQUENCE,         ""},
+    { BGP_AS_SET,              "}"},
+    { BGP_CONFED_AS_SEQUENCE,  ")"},
+    { BGP_CONFED_AS_SET,       "})"},
+    { 0, NULL}

 };
 };

-#define bgp_type(x) num_or_str(bgptype, sizeof(bgptype)/sizeof(bgptype[0]), (x))

 
 

-static const char *bgpopt_type[] = {
-       NULL, "Authentication Information",
+#define BGP_OPT_AUTH                    1
+#define BGP_OPT_CAP                     2
+
+
+static struct tok bgp_opt_values[] = {
+    { BGP_OPT_AUTH,             "Authentication Information"},
+    { BGP_OPT_CAP,              "Capabilities Advertisement"},
+    { 0, NULL}

 };
 };

-#define bgp_opttype(x) \
-       num_or_str(bgpopt_type, sizeof(bgpopt_type)/sizeof(bgpopt_type[0]), (x))
-
-static const char *bgpnotify_major[] = {
-       NULL, "Message Header Error",
-       "OPEN Message Error", "UPDATE Message Error",
-       "Hold Timer Expired", "Finite State Machine Error",
-       "Cease",
+
+#define BGP_CAPCODE_MP                  1
+#define BGP_CAPCODE_RR                  2
+#define BGP_CAPCODE_RESTART            64 /* draft-ietf-idr-restart-05  */
+#define BGP_CAPCODE_RR_CISCO          128
+
+static struct tok bgp_capcode_values[] = {
+    { BGP_CAPCODE_MP,           "Multiprotocol Extensions"},
+    { BGP_CAPCODE_RR,           "Route Refresh"},
+    { BGP_CAPCODE_RESTART,      "Graceful Restart"},
+    { BGP_CAPCODE_RR_CISCO,     "Route Refresh (Cisco)"},
+    { 0, NULL}

 };
 };

-#define bgp_notify_major(x) \
-       num_or_str(bgpnotify_major, \
-               sizeof(bgpnotify_major)/sizeof(bgpnotify_major[0]), (x))

 
 

-static const char *bgpnotify_minor_1[] = {
-       NULL, "Connection Not Synchronized",
-       "Bad Message Length", "Bad Message Type",
+#define BGP_NOTIFY_MAJOR_MSG            1
+#define BGP_NOTIFY_MAJOR_OPEN           2
+#define BGP_NOTIFY_MAJOR_UPDATE         3
+#define BGP_NOTIFY_MAJOR_HOLDTIME       4
+#define BGP_NOTIFY_MAJOR_FSM            5
+#define BGP_NOTIFY_MAJOR_CEASE          6
+#define BGP_NOTIFY_MAJOR_CAP            7
+
+static struct tok bgp_notify_major_values[] = {
+    { BGP_NOTIFY_MAJOR_MSG,     "Message Header Error"},
+    { BGP_NOTIFY_MAJOR_OPEN,    "OPEN Message Error"},
+    { BGP_NOTIFY_MAJOR_UPDATE,  "UPDATE Message Error"},
+    { BGP_NOTIFY_MAJOR_HOLDTIME,"Hold Timer Expired"},
+    { BGP_NOTIFY_MAJOR_FSM,     "Finite State Machine Error"},
+    { BGP_NOTIFY_MAJOR_CEASE,   "Cease"},
+    { BGP_NOTIFY_MAJOR_CAP,     "Capability Message Error"},
+    { 0, NULL}

 };
 
 };
 

-static const char *bgpnotify_minor_2[] = {
-       NULL, "Unsupported Version Number",
-       "Bad Peer AS", "Bad BGP Identifier",
-       "Unsupported Optional Parameter", "Authentication Failure",
-       "Unacceptable Hold Time",
+/* draft-ietf-idr-cease-subcode-02 */
+#define BGP_NOTIFY_MINOR_CEASE_MAXPRFX  1
+static struct tok bgp_notify_minor_cease_values[] = {
+    { BGP_NOTIFY_MINOR_CEASE_MAXPRFX, "Maximum Number of Prefixes Reached"},
+    { 2,                        "Administratively Shutdown"},
+    { 3,                        "Peer Unconfigured"},
+    { 4,                        "Administratively Reset"},
+    { 5,                        "Connection Rejected"},
+    { 6,                        "Other Configuration Change"},
+    { 7,                        "Connection Collision Resolution"},
+    { 0, NULL}

 };
 
 };
 

-static const char *bgpnotify_minor_3[] = {
-       NULL, "Malformed Attribute List",
-       "Unrecognized Well-known Attribute", "Missing Well-known Attribute",
-       "Attribute Flags Error", "Attribute Length Error",
-       "Invalid ORIGIN Attribute", "AS Routing Loop",
-       "Invalid NEXT_HOP Attribute", "Optional Attribute Error",
-       "Invalid Network Field", "Malformed AS_PATH",
+static struct tok bgp_notify_minor_msg_values[] = {
+    { 1,                        "Connection Not Synchronized"},
+    { 2,                        "Bad Message Length"},
+    { 3,                        "Bad Message Type"},
+    { 0, NULL}

 };
 
 };
 

-static const char **bgpnotify_minor[] = {
-       NULL, bgpnotify_minor_1, bgpnotify_minor_2, bgpnotify_minor_3,
+static struct tok bgp_notify_minor_open_values[] = {
+    { 1,                        "Unsupported Version Number"},
+    { 2,                        "Bad Peer AS"},
+    { 3,                        "Bad BGP Identifier"},
+    { 4,                        "Unsupported Optional Parameter"},
+    { 5,                        "Authentication Failure"},
+    { 6,                        "Unacceptable Hold Time"},
+    { 0, NULL}

 };
 };

-static const int bgpnotify_minor_siz[] = {
-       0, sizeof(bgpnotify_minor_1)/sizeof(bgpnotify_minor_1[0]),
-       sizeof(bgpnotify_minor_2)/sizeof(bgpnotify_minor_2[0]),
-       sizeof(bgpnotify_minor_3)/sizeof(bgpnotify_minor_3[0]),
+
+static struct tok bgp_notify_minor_update_values[] = {
+    { 1,                        "Malformed Attribute List"},
+    { 2,                        "Unrecognized Well-known Attribute"},
+    { 3,                        "Missing Well-known Attribute"},
+    { 4,                        "Attribute Flags Error"},
+    { 5,                        "Attribute Length Error"},
+    { 6,                        "Invalid ORIGIN Attribute"},
+    { 7,                        "AS Routing Loop"},
+    { 8,                        "Invalid NEXT_HOP Attribute"},
+    { 9,                        "Optional Attribute Error"},
+    { 10,                       "Invalid Network Field"},
+    { 11,                       "Malformed AS_PATH"},
+    { 0, NULL}

 };
 
 };
 

-static const char *bgpattr_origin[] = {
-       "IGP", "EGP", "INCOMPLETE",
+static struct tok bgp_notify_minor_cap_values[] = {
+    { 1,                        "Invalid Action Value" },
+    { 2,                        "Invalid Capability Length" },
+    { 3,                        "Malformed Capability Value" },
+    { 4,                        "Unsupported Capability Code" },
+    { 0, NULL }

 };
 };

-#define bgp_attr_origin(x) \
-       num_or_str(bgpattr_origin, \
-               sizeof(bgpattr_origin)/sizeof(bgpattr_origin[0]), (x))
-
-static const char *bgpattr_type[] = {
-       NULL, "ORIGIN", "AS_PATH", "NEXT_HOP",
-       "MULTI_EXIT_DISC", "LOCAL_PREF", "ATOMIC_AGGREGATE", "AGGREGATOR",
-       "COMMUNITIES", "ORIGINATOR_ID", "CLUSTER_LIST", "DPA",
-       "ADVERTISERS", "RCID_PATH", "MP_REACH_NLRI", "MP_UNREACH_NLRI",
+
+static struct tok bgp_origin_values[] = {
+    { 0,                        "IGP"},
+    { 1,                        "EGP"},
+    { 2,                        "Incomplete"},
+    { 0, NULL}

 };
 };

-#define bgp_attr_type(x) \
-       num_or_str(bgpattr_type, \
-               sizeof(bgpattr_type)/sizeof(bgpattr_type[0]), (x))

 
 /* Subsequent address family identifier, RFC2283 section 7 */
 
 /* Subsequent address family identifier, RFC2283 section 7 */

-static const char *bgpattr_nlri_safi[] = {
-    "Reserved", "Unicast", "Multicast", "Unicast+Multicast",
+#define SAFNUM_RES                      0
+#define SAFNUM_UNICAST                  1
+#define SAFNUM_MULTICAST                2
+#define SAFNUM_UNIMULTICAST             3
+/* labeled BGP RFC3107 */
+#define SAFNUM_LABUNICAST               4
+/* Section 4.3.4 of draft-rosen-rfc2547bis-03.txt  */
+#define SAFNUM_VPNUNICAST               128
+#define SAFNUM_VPNMULTICAST             129
+#define SAFNUM_VPNUNIMULTICAST          130
+/* draft-marques-ppvpn-rt-constrain-01.txt */
+#define SAFNUM_RT_ROUTING_INFO          132
+
+#define BGP_VPN_RD_LEN                  8
+
+static struct tok bgp_safi_values[] = {
+    { SAFNUM_RES,               "Reserved"},
+    { SAFNUM_UNICAST,           "Unicast"},
+    { SAFNUM_MULTICAST,         "Multicast"},
+    { SAFNUM_UNIMULTICAST,      "Unicast+Multicast"},
+    { SAFNUM_LABUNICAST,        "labeled Unicast"},
+    { SAFNUM_VPNUNICAST,        "labeled VPN Unicast"},
+    { SAFNUM_VPNMULTICAST,      "labeled VPN Multicast"},
+    { SAFNUM_VPNUNIMULTICAST,   "labeled VPN Unicast+Multicast"},
+    { SAFNUM_RT_ROUTING_INFO,   "Route Target Routing Information"},
+    { 0, NULL }

 };
 };

-#define bgp_attr_nlri_safi(x) \
-       num_or_str(bgpattr_nlri_safi, \
-               sizeof(bgpattr_nlri_safi)/sizeof(bgpattr_nlri_safi[0]), (x))

 
 /* well-known community */
 #define BGP_COMMUNITY_NO_EXPORT                        0xffffff01
 
 /* well-known community */
 #define BGP_COMMUNITY_NO_EXPORT                        0xffffff01


@@ -217,174 +334,528 @@ static const char *bgpattr_nlri_safi[] = {
 #define AFNUM_DECNET   13
 #define AFNUM_BANYAN   14
 #define AFNUM_E164NSAP 15
 #define AFNUM_DECNET   13
 #define AFNUM_BANYAN   14
 #define AFNUM_E164NSAP 15

+/* draft-kompella-ppvpn-l2vpn */
+#define AFNUM_L2VPN     196 /* still to be approved by IANA */
+
+static struct tok bgp_afi_values[] = {
+    { 0,                      "Reserved"},
+    { AFNUM_INET,             "IPv4"},
+    { AFNUM_INET6,            "IPv6"},
+    { AFNUM_NSAP,             "NSAP"},
+    { AFNUM_HDLC,             "HDLC"},
+    { AFNUM_BBN1822,          "BBN 1822"},
+    { AFNUM_802,              "802"},
+    { AFNUM_E163,             "E.163"},
+    { AFNUM_E164,             "E.164"},
+    { AFNUM_F69,              "F.69"},
+    { AFNUM_X121,             "X.121"},
+    { AFNUM_IPX,              "Novell IPX"},
+    { AFNUM_ATALK,            "Appletalk"},
+    { AFNUM_DECNET,           "Decnet IV"},
+    { AFNUM_BANYAN,           "Banyan Vines"},
+    { AFNUM_E164NSAP,         "E.164 with NSAP subaddress"},
+    { AFNUM_L2VPN,            "Layer-2 VPN"},
+    { 0, NULL},
+};
+
+/* Extended community type - draft-ietf-idr-bgp-ext-communities-05 */
+#define BGP_EXT_COM_RT_0        0x0002  /* Route Target,Format AS(2bytes):AN(4bytes) */
+#define BGP_EXT_COM_RT_1        0x0102  /* Route Target,Format IP address:AN(2bytes) */
+#define BGP_EXT_COM_RT_2        0x0202  /* Route Target,Format AN(4bytes):local(2bytes) */
+#define BGP_EXT_COM_RO_0        0x0003  /* Route Origin,Format AS(2bytes):AN(4bytes) */
+#define BGP_EXT_COM_RO_1        0x0103  /* Route Origin,Format IP address:AN(2bytes) */
+#define BGP_EXT_COM_RO_2        0x0203  /* Route Origin,Format AN(4bytes):local(2bytes) */
+#define BGP_EXT_COM_LINKBAND    0x4004  /* Link Bandwidth,Format AS(2B):Bandwidth(4B) */
+                                        /* rfc2547 bgp-mpls-vpns */
+
+#define BGP_EXT_COM_VPN_ORIGIN  0x0005  /* OSPF Domain ID / VPN of Origin  - draft-rosen-vpns-ospf-bgp-mpls */
+#define BGP_EXT_COM_VPN_ORIGIN2 0x0105  /* duplicate - keep for backwards compatability */
+#define BGP_EXT_COM_VPN_ORIGIN3 0x0205  /* duplicate - keep for backwards compatability */
+#define BGP_EXT_COM_VPN_ORIGIN4 0x8005  /* duplicate - keep for backwards compatability */
+
+#define BGP_EXT_COM_OSPF_RTYPE  0x0306  /* OSPF Route Type,Format Area(4B):RouteType(1B):Options(1B) */
+#define BGP_EXT_COM_OSPF_RTYPE2 0x8000  /* duplicate - keep for backwards compatability */
+
+#define BGP_EXT_COM_OSPF_RID    0x0107  /* OSPF Router ID,Format RouterID(4B):Unused(2B) */
+#define BGP_EXT_COM_OSPF_RID2   0x8001  /* duplicate - keep for backwards compatability */ 
+
+#define BGP_EXT_COM_L2INFO      0x800a  /* draft-kompella-ppvpn-l2vpn */
+
+static struct tok bgp_extd_comm_flag_values[] = {
+    { 0x8000,                  "vendor-specific"},
+    { 0x4000,                  "non-transitive"},
+    { 0, NULL},
+};
+
+static struct tok bgp_extd_comm_subtype_values[] = {
+    { BGP_EXT_COM_RT_0,        "target"},
+    { BGP_EXT_COM_RT_1,        "target"},
+    { BGP_EXT_COM_RT_2,        "target"},
+    { BGP_EXT_COM_RO_0,        "origin"},
+    { BGP_EXT_COM_RO_1,        "origin"},
+    { BGP_EXT_COM_RO_2,        "origin"},
+    { BGP_EXT_COM_LINKBAND,    "link-BW"},
+    { BGP_EXT_COM_VPN_ORIGIN,  "ospf-domain"},
+    { BGP_EXT_COM_VPN_ORIGIN2, "ospf-domain"},
+    { BGP_EXT_COM_VPN_ORIGIN3, "ospf-domain"},
+    { BGP_EXT_COM_VPN_ORIGIN4, "ospf-domain"},
+    { BGP_EXT_COM_OSPF_RTYPE,  "ospf-route-type"},
+    { BGP_EXT_COM_OSPF_RTYPE2, "ospf-route-type"},
+    { BGP_EXT_COM_OSPF_RID,    "ospf-router-id"},
+    { BGP_EXT_COM_OSPF_RID2,   "ospf-router-id"},
+    { BGP_EXT_COM_L2INFO,      "layer2-info"}, 
+    { 0, NULL},
+};

 
 

-static const char *afnumber[] = {
-       "Reserved", "IPv4", "IPv6", "NSAP", "HDLC",
-       "BBN 1822", "802", "E.163", "E.164", "F.69",
-       "X.121", "IPX", "Appletalk", "Decnet IV", "Banyan Vines",
-       "E.164 with NSAP subaddress",
+/* OSPF codes for  BGP_EXT_COM_OSPF_RTYPE draft-rosen-vpns-ospf-bgp-mpls  */
+#define BGP_OSPF_RTYPE_RTR      1 /* OSPF Router LSA */
+#define BGP_OSPF_RTYPE_NET      2 /* OSPF Network LSA */
+#define BGP_OSPF_RTYPE_SUM      3 /* OSPF Summary LSA */
+#define BGP_OSPF_RTYPE_EXT      5 /* OSPF External LSA, note that ASBR doesn't apply to MPLS-VPN */
+#define BGP_OSPF_RTYPE_NSSA     7 /* OSPF NSSA External*/
+#define BGP_OSPF_RTYPE_SHAM     129 /* OSPF-MPLS-VPN Sham link */
+#define BGP_OSPF_RTYPE_METRIC_TYPE 0x1 /* LSB of RTYPE Options Field */
+
+static struct tok bgp_extd_comm_ospf_rtype_values[] = {
+  { BGP_OSPF_RTYPE_RTR, "Router" },  
+  { BGP_OSPF_RTYPE_NET, "Network" },  
+  { BGP_OSPF_RTYPE_SUM, "Summary" },  
+  { BGP_OSPF_RTYPE_EXT, "External" },  
+  { BGP_OSPF_RTYPE_NSSA,"NSSA External" },
+  { BGP_OSPF_RTYPE_SHAM,"MPLS-VPN Sham" },  
+  { 0, NULL },

 };
 };

-#define af_name(x) \
-       (((x) == 65535) ? afnumber[0] : \
-               num_or_str(afnumber, \
-                       sizeof(afnumber)/sizeof(afnumber[0]), (x)))

 
 

+static struct tok bgp_l2vpn_encaps_values[] = {
+    { 0,                      "Reserved"},
+    { 1,                      "Frame Relay"},
+    { 2,                      "ATM AAL5 VCC transport"},
+    { 3,                      "ATM transparent cell transport"}, 
+    { 4,                      "Ethernet VLAN"}, 
+    { 5,                      "Ethernet"}, 
+    { 6,                      "Cisco-HDLC"}, 
+    { 7,                      "PPP"}, 
+    { 8,                      "CEM"}, 
+    { 9,                      "ATM VCC cell transport"}, 
+    { 10,                     "ATM VPC cell transport"}, 
+    { 11,                     "MPLS"}, 
+    { 12,                     "VPLS"}, 
+    { 64,                     "IP-interworking"}, 
+    { 0, NULL},
+};

 
 

-static const char *
-num_or_str(const char **table, size_t siz, int value)
+static int
+decode_prefix4(const u_char *pptr, char *buf, u_int buflen)

 {
 {

-       static char buf[20];
-       if (value < 0 || siz <= value || table[value] == NULL) {
-               snprintf(buf, sizeof(buf), "#%d", value);
-               return buf;
-       } else
-               return table[value];
+       struct in_addr addr;
+       u_int plen;
+
+       TCHECK(pptr[0]);
+       plen = pptr[0];
+       if (32 < plen)
+               return -1;
+
+       memset(&addr, 0, sizeof(addr));
+       TCHECK2(pptr[1], (plen + 7) / 8);
+       memcpy(&addr, &pptr[1], (plen + 7) / 8);
+       if (plen % 8) {
+               ((u_char *)&addr)[(plen + 7) / 8 - 1] &=
+                       ((0xff00 >> (plen % 8)) & 0xff);
+       }
+       snprintf(buf, buflen, "%s/%d", getname((u_char *)&addr), plen);
+       return 1 + (plen + 7) / 8;
+
+trunc:
+       return -2;

 }
 
 }
 

-static const char *
-bgp_notify_minor(int major, int minor)
+static int
+decode_labeled_prefix4(const u_char *pptr, char *buf, u_int buflen)

 {
 {

-       static const char **table;
-       int siz;
-       static char buf[20];
-       const char *p;
-
-       if (0 <= major
-        && major < sizeof(bgpnotify_minor)/sizeof(bgpnotify_minor[0])
-        && bgpnotify_minor[major]) {
-               table = bgpnotify_minor[major];
-               siz = bgpnotify_minor_siz[major];
-               if (0 <= minor && minor < siz && table[minor])
-                       p = table[minor];
-               else
-                       p = NULL;
-       } else
-               p = NULL;
-       if (p == NULL) {
-               snprintf(buf, sizeof(buf), "#%d", minor);
-               return buf;
-       } else
-               return p;
+       struct in_addr addr;
+       u_int plen;
+
+       TCHECK(pptr[0]);
+       plen = pptr[0];   /* get prefix length */
+
+        /* this is one of the weirdnesses of rfc3107
+           the label length (actually the label + COS bits)
+           is added to the prefix length;
+           we also do only read out just one label -
+           there is no real application for advertisement of
+           stacked labels in a a single BGP message
+        */
+
+        plen-=24; /* adjust prefixlen - labellength */
+
+       if (32 < plen)
+               return -1;
+
+       memset(&addr, 0, sizeof(addr));
+       TCHECK2(pptr[4], (plen + 7) / 8);
+       memcpy(&addr, &pptr[4], (plen + 7) / 8);
+       if (plen % 8) {
+               ((u_char *)&addr)[(plen + 7) / 8 - 1] &=
+                       ((0xff00 >> (plen % 8)) & 0xff);
+       }
+        /* the label may get offsetted by 4 bits so lets shift it right */
+       snprintf(buf, buflen, "%s/%d, label:%u %s",
+                 getname((u_char *)&addr),
+                 plen,
+                 EXTRACT_24BITS(pptr+1)>>4,
+                 ((pptr[3]&1)==0) ? "(BOGUS: Bottom of Stack NOT set!)" : "(bottom)" );
+
+       return 4 + (plen + 7) / 8;
+
+trunc:
+       return -2;
+}
+
+/* RDs and RTs share the same semantics
+ * we use bgp_vpn_rd_print for
+ * printing route targets inside a NLRI */
+static char *
+bgp_vpn_rd_print (const u_char *pptr) {
+
+   /* allocate space for the following string
+    * xxx.xxx.xxx.xxx:xxxxx
+    * 21 bytes plus one termination byte */
+    static char rd[22];
+    char *pos = rd;
+
+    /* ok lets load the RD format */
+    switch (EXTRACT_16BITS(pptr)) {
+
+        /* AS:IP-address fmt*/
+    case 0:
+        snprintf(pos, sizeof(rd) - (pos - rd), "%u:%u.%u.%u.%u",
+            EXTRACT_16BITS(pptr+2), *(pptr+4), *(pptr+5), *(pptr+6), *(pptr+7));
+        break;
+        /* IP-address:AS fmt*/
+
+    case 1:
+        snprintf(pos, sizeof(rd) - (pos - rd), "%u.%u.%u.%u:%u",
+            *(pptr+2), *(pptr+3), *(pptr+4), *(pptr+5), EXTRACT_16BITS(pptr+6));
+        break;
+
+        /* 4-byte-AS:number fmt*/
+    case 2:
+        snprintf(pos, sizeof(rd) - (pos - rd), "%u:%u",
+            EXTRACT_32BITS(pptr+2), EXTRACT_16BITS(pptr+6));
+        break;
+    default:
+        snprintf(pos, sizeof(rd) - (pos - rd), "unknown RD format");
+        break;
+    }
+    pos += strlen(pos);
+    *(pos) = '\0';
+    return (rd);

 }
 
 static int
 }
 
 static int

-decode_prefix4(const u_char *pd, char *buf, int buflen)
+decode_rt_routing_info(const u_char *pptr, char *buf, u_int buflen)
+{
+       u_int8_t route_target[8];
+       u_int plen;
+
+       TCHECK(pptr[0]);
+       plen = pptr[0];   /* get prefix length */
+
+        plen-=32; /* adjust prefix length */
+
+       if (0 < plen)
+               return -1;
+
+       memset(&route_target, 0, sizeof(route_target));
+       TCHECK2(pptr[1], (plen + 7) / 8);
+       memcpy(&route_target, &pptr[1], (plen + 7) / 8);
+       if (plen % 8) {
+               ((u_char *)&route_target)[(plen + 7) / 8 - 1] &=
+                       ((0xff00 >> (plen % 8)) & 0xff);
+       }
+       snprintf(buf, buflen, "origin AS: %u, route target %s",
+                 EXTRACT_32BITS(pptr+1),
+                 bgp_vpn_rd_print((u_char *)&route_target));
+
+       return 5 + (plen + 7) / 8;
+
+trunc:
+       return -2;
+}
+
+static int
+decode_labeled_vpn_prefix4(const u_char *pptr, char *buf, u_int buflen)

 {
        struct in_addr addr;
 {
        struct in_addr addr;

-       int plen;
+       u_int plen;

 
 

-       plen = pd[0];
-       if (plen < 0 || 32 < plen)
+       TCHECK(pptr[0]);
+       plen = pptr[0];   /* get prefix length */
+
+        plen-=(24+64); /* adjust prefixlen - labellength - RD len*/
+
+       if (32 < plen)

                return -1;
 
        memset(&addr, 0, sizeof(addr));
                return -1;
 
        memset(&addr, 0, sizeof(addr));

-       memcpy(&addr, &pd[1], (plen + 7) / 8);
+       TCHECK2(pptr[12], (plen + 7) / 8);
+       memcpy(&addr, &pptr[12], (plen + 7) / 8);

        if (plen % 8) {
                ((u_char *)&addr)[(plen + 7) / 8 - 1] &=
                        ((0xff00 >> (plen % 8)) & 0xff);
        }
        if (plen % 8) {
                ((u_char *)&addr)[(plen + 7) / 8 - 1] &=
                        ((0xff00 >> (plen % 8)) & 0xff);
        }

-       snprintf(buf, buflen, "%s/%d", getname((u_char *)&addr), plen);
-       return 1 + (plen + 7) / 8;
+        /* the label may get offsetted by 4 bits so lets shift it right */
+       snprintf(buf, buflen, "RD: %s, %s/%d, label:%u %s",
+                 bgp_vpn_rd_print(pptr+4),
+                 getname((u_char *)&addr),
+                 plen,
+                 EXTRACT_24BITS(pptr+1)>>4,
+                 ((pptr[3]&1)==0) ? "(BOGUS: Bottom of Stack NOT set!)" : "(bottom)" );
+
+       return 12 + (plen + 7) / 8;
+
+trunc:
+       return -2;
+}
+
+static int
+decode_labeled_vpn_l2(const u_char *pptr, char *buf, u_int buflen)
+{
+        int plen,tlen,strlen,tlv_type,tlv_len,ttlv_len;
+
+       TCHECK2(pptr[0], 2);
+        plen=EXTRACT_16BITS(pptr);
+        tlen=plen;
+        pptr+=2;
+       TCHECK2(pptr[0],15);
+        strlen=snprintf(buf, buflen, "RD: %s, CE-ID: %u, Label-Block Offset: %u, Label Base %u",
+                        bgp_vpn_rd_print(pptr),
+                        EXTRACT_16BITS(pptr+8),
+                        EXTRACT_16BITS(pptr+10),
+                        EXTRACT_24BITS(pptr+12)>>4); /* the label is offsetted by 4 bits so lets shift it right */
+        pptr+=15;
+        tlen-=15;
+
+        /* ok now the variable part - lets read out TLVs*/
+        while (tlen>0) {
+            if (tlen < 3)
+                return -1;
+            TCHECK2(pptr[0], 3);
+            tlv_type=*pptr++;
+            tlv_len=EXTRACT_16BITS(pptr);
+            ttlv_len=tlv_len;
+            pptr+=2;
+
+            switch(tlv_type) {
+            case 1:
+                strlen+=snprintf(buf+strlen,buflen-strlen, "\n\t\tcircuit status vector (%u) length: %u: 0x",
+                                 tlv_type,
+                                 tlv_len);
+                ttlv_len=ttlv_len/8+1; /* how many bytes do we need to read ? */
+                while (ttlv_len>0) {
+                    TCHECK(pptr[0]);
+                    strlen+=snprintf(buf+strlen,buflen-strlen, "%02x",*pptr++);
+                    ttlv_len--;
+                }
+                break;
+            default:
+                snprintf(buf+strlen,buflen-strlen, "\n\t\tunknown TLV #%u, length: %u",
+                         tlv_type,
+                         tlv_len);
+                break;
+            }
+            tlen-=(tlv_len<<3); /* the tlv-length is expressed in bits so lets shift it tright */
+        }
+        return plen+2;
+
+trunc:
+        return -2;

 }
 
 #ifdef INET6
 static int
 }
 
 #ifdef INET6
 static int

-decode_prefix6(const u_char *pd, char *buf, int buflen)
+decode_prefix6(const u_char *pd, char *buf, u_int buflen)

 {
        struct in6_addr addr;
 {
        struct in6_addr addr;

-       int plen;
+       u_int plen;

 
 

+       TCHECK(pd[0]);

        plen = pd[0];
        plen = pd[0];

-       if (plen < 0 || 128 < plen)
+       if (128 < plen)

                return -1;
 
        memset(&addr, 0, sizeof(addr));
                return -1;
 
        memset(&addr, 0, sizeof(addr));

+       TCHECK2(pd[1], (plen + 7) / 8);

        memcpy(&addr, &pd[1], (plen + 7) / 8);
        if (plen % 8) {
                addr.s6_addr[(plen + 7) / 8 - 1] &=
                        ((0xff00 >> (plen % 8)) & 0xff);
        }
        memcpy(&addr, &pd[1], (plen + 7) / 8);
        if (plen % 8) {
                addr.s6_addr[(plen + 7) / 8 - 1] &=
                        ((0xff00 >> (plen % 8)) & 0xff);
        }

-       snprintf(buf, buflen, "%s/%d", getname6((char *)&addr), plen);
+       snprintf(buf, buflen, "%s/%d", getname6((u_char *)&addr), plen);

        return 1 + (plen + 7) / 8;
        return 1 + (plen + 7) / 8;

+
+trunc:
+       return -2;
+}
+
+static int
+decode_labeled_prefix6(const u_char *pptr, char *buf, u_int buflen)
+{
+       struct in6_addr addr;
+       u_int plen;
+
+       TCHECK(pptr[0]);
+       plen = pptr[0]; /* get prefix length */
+        plen-=24; /* adjust prefixlen - labellength */
+
+       if (128 < plen)
+               return -1;
+
+       memset(&addr, 0, sizeof(addr));
+       TCHECK2(pptr[4], (plen + 7) / 8);
+       memcpy(&addr, &pptr[4], (plen + 7) / 8);
+       if (plen % 8) {
+               addr.s6_addr[(plen + 7) / 8 - 1] &=
+                       ((0xff00 >> (plen % 8)) & 0xff);
+       }
+        /* the label may get offsetted by 4 bits so lets shift it right */
+       snprintf(buf, buflen, "%s/%d, label:%u %s",
+                 getname6((u_char *)&addr),
+                 plen,
+                 EXTRACT_24BITS(pptr+1)>>4,
+                 ((pptr[3]&1)==0) ? "(BOGUS: Bottom of Stack NOT set!)" : "(bottom)" );
+
+       return 4 + (plen + 7) / 8;
+
+trunc:
+       return -2;
+}
+
+static int
+decode_labeled_vpn_prefix6(const u_char *pptr, char *buf, u_int buflen)
+{
+       struct in6_addr addr;
+       u_int plen;
+
+       TCHECK(pptr[0]);
+       plen = pptr[0];   /* get prefix length */
+
+        plen-=(24+64); /* adjust prefixlen - labellength - RD len*/
+
+       if (128 < plen)
+               return -1;
+
+       memset(&addr, 0, sizeof(addr));
+       TCHECK2(pptr[12], (plen + 7) / 8);
+       memcpy(&addr, &pptr[12], (plen + 7) / 8);
+       if (plen % 8) {
+               addr.s6_addr[(plen + 7) / 8 - 1] &=
+                       ((0xff00 >> (plen % 8)) & 0xff);
+       }
+        /* the label may get offsetted by 4 bits so lets shift it right */
+       snprintf(buf, buflen, "RD: %s, %s/%d, label:%u %s",
+                 bgp_vpn_rd_print(pptr+4),
+                 getname6((u_char *)&addr),
+                 plen,
+                 EXTRACT_24BITS(pptr+1)>>4,
+                 ((pptr[3]&1)==0) ? "(BOGUS: Bottom of Stack NOT set!)" : "(bottom)" );
+
+       return 12 + (plen + 7) / 8;
+
+trunc:
+       return -2;

 }
 #endif
 
 }
 #endif
 

-static void
-bgp_attr_print(const struct bgp_attr *attr, const u_char *dat, int len)
+static int
+bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)

 {
        int i;
        u_int16_t af;
        u_int8_t safi, snpa;
 {
        int i;
        u_int16_t af;
        u_int8_t safi, snpa;

+        union { /* copy buffer for bandwidth values */
+            float f; 
+            u_int32_t i;
+        } bw;

        int advance;
        int tlen;
        int advance;
        int tlen;

-       const u_char *p;
-       char buf[256];
+       const u_char *tptr;
+       char buf[MAXHOSTNAMELEN + 100];

 
 

-       p = dat;
+        tptr = pptr;
+        tlen=len;

 
        switch (attr->bgpa_type) {
        case BGPTYPE_ORIGIN:
                if (len != 1)
 
        switch (attr->bgpa_type) {
        case BGPTYPE_ORIGIN:
                if (len != 1)

-                       printf(" invalid len");
-               else
-                       printf(" %s", bgp_attr_origin(p[0]));
+                       printf("invalid len");
+               else {
+                       TCHECK(*tptr);
+                       printf("%s", tok2str(bgp_origin_values, "Unknown Origin Typecode", tptr[0]));
+               }

                break;
        case BGPTYPE_AS_PATH:
                if (len % 2) {
                break;
        case BGPTYPE_AS_PATH:
                if (len % 2) {

-                       printf(" invalid len");
+                       printf("invalid len");

                        break;
                }
                        break;
                }

-               while (p < dat + len) {
-                       /*
-                        * under RFC1965, p[0] means:
-                        * 1: AS_SET 2: AS_SEQUENCE
-                        * 3: AS_CONFED_SET 4: AS_CONFED_SEQUENCE
-                        */
-                       printf(" ");
-                       if (p[0] == 3 || p[0] == 4)
-                               printf("confed");
-                       printf("%s", (p[0] & 1) ? "{" : "");
-                       for (i = 0; i < p[1]; i += 2) {
-                               printf("%s%u", i == 0 ? "" : " ",
-                                       ntohs(*(u_int16_t *)&p[2 + i]));
-                       }
-                       printf("%s", (p[0] & 1) ? "}" : "");
-                       p += 2 + p[1] * 2;
+                if (!len) {
+                       printf("empty");
+                       break;
+                }
+
+               while (tptr < pptr + len) {
+                       TCHECK(tptr[0]);
+                        printf("%s", tok2str(bgp_as_path_segment_open_values, "?", tptr[0]));
+                        for (i = 0; i < tptr[1] * 2; i += 2) {
+                            TCHECK2(tptr[2 + i], 2);
+                            printf("%u ", EXTRACT_16BITS(&tptr[2 + i]));
+                        }
+                       TCHECK(tptr[0]);
+                        printf("%s", tok2str(bgp_as_path_segment_close_values, "?", tptr[0]));
+                        TCHECK(tptr[1]);
+                        tptr += 2 + tptr[1] * 2;

                }
                break;
        case BGPTYPE_NEXT_HOP:
                if (len != 4)
                }
                break;
        case BGPTYPE_NEXT_HOP:
                if (len != 4)

-                       printf(" invalid len");
-               else
-                       printf(" %s", getname(p));
+                       printf("invalid len");
+               else {
+                       TCHECK2(tptr[0], 4);
+                       printf("%s", getname(tptr));
+               }

                break;
        case BGPTYPE_MULTI_EXIT_DISC:
        case BGPTYPE_LOCAL_PREF:
                if (len != 4)
                break;
        case BGPTYPE_MULTI_EXIT_DISC:
        case BGPTYPE_LOCAL_PREF:
                if (len != 4)

-                       printf(" invalid len");
-               else
-                       printf(" %u", (u_int32_t)ntohl(*(u_int32_t *)p));
+                       printf("invalid len");
+               else {
+                       TCHECK2(tptr[0], 4);
+                       printf("%u", EXTRACT_32BITS(tptr));
+               }

                break;
        case BGPTYPE_ATOMIC_AGGREGATE:
                if (len != 0)
                break;
        case BGPTYPE_ATOMIC_AGGREGATE:
                if (len != 0)

-                       printf(" invalid len");
+                       printf("invalid len");

                break;
        case BGPTYPE_AGGREGATOR:
                if (len != 6) {
                break;
        case BGPTYPE_AGGREGATOR:
                if (len != 6) {

-                       printf(" invalid len");
+                       printf("invalid len");

                        break;
                }
                        break;
                }

-               printf(" AS #%u, origin %s", ntohs(*(u_int16_t *)p),
-                       getname(p + 2));
+               TCHECK2(tptr[0], 6);
+               printf(" AS #%u, origin %s", EXTRACT_16BITS(tptr),
+                       getname(tptr + 2));

                break;
        case BGPTYPE_COMMUNITIES:
                if (len % 4) {
                break;
        case BGPTYPE_COMMUNITIES:
                if (len % 4) {

-                       printf(" invalid len");
+                       printf("invalid len");

                        break;
                }
                        break;
                }

-               for (i = 0; i < len; i += 4) {
+               while (tlen>0) {

                        u_int32_t comm;
                        u_int32_t comm;

-                       comm = (u_int32_t)ntohl(*(u_int32_t *)&p[i]);
+                       TCHECK2(tptr[0], 4);
+                       comm = EXTRACT_32BITS(tptr);

                        switch (comm) {
                        case BGP_COMMUNITY_NO_EXPORT:
                                printf(" NO_EXPORT");
                        switch (comm) {
                        case BGP_COMMUNITY_NO_EXPORT:
                                printf(" NO_EXPORT");


@@ -396,131 +867,593 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *dat, int len)
                                printf(" NO_EXPORT_SUBCONFED");
                                break;
                        default:
                                printf(" NO_EXPORT_SUBCONFED");
                                break;
                        default:

-                               printf(" (AS #%d value 0x%04x)",
-                                       (comm >> 16) & 0xffff, comm & 0xffff);
+                               printf("%u:%u%s",
+                                       (comm >> 16) & 0xffff,
+                                       comm & 0xffff,
+                                       (tlen>4) ? ", " : "");

                                break;
                        }
                                break;
                        }

+                        tlen -=4;
+                        tptr +=4;

                }
                break;
                }
                break;

-       case BGPTYPE_MP_REACH_NLRI:
-               af = ntohs(*(u_int16_t *)p);
-               safi = p[2];
-               if (safi >= 128)
-                       printf(" %s vendor specific,", af_name(af));
-               else {
-                       printf(" %s %s,", af_name(af),
-                               bgp_attr_nlri_safi(safi));
+        case BGPTYPE_ORIGINATOR_ID:
+               if (len != 4) {
+                       printf("invalid len");
+                       break;

                }
                }

-               p += 3;
-
-               if (af == AFNUM_INET)
+               TCHECK2(tptr[0], 4);
+                printf("%s",getname(tptr));
+                break;
+        case BGPTYPE_CLUSTER_LIST:
+               if (len % 4) {
+                       printf("invalid len");
+                       break;
+               }
+                while (tlen>0) {
+                       TCHECK2(tptr[0], 4);
+                        printf("%s%s",
+                               getname(tptr),
+                                (tlen>4) ? ", " : "");
+                        tlen -=4;
+                        tptr +=4;
+                }
+                break;
+       case BGPTYPE_MP_REACH_NLRI:
+               TCHECK2(tptr[0], 3);
+               af = EXTRACT_16BITS(tptr);
+               safi = tptr[2];
+       
+                printf("\n\t    AFI: %s (%u), %sSAFI: %s (%u)",
+                       tok2str(bgp_afi_values, "Unknown AFI", af),
+                       af,
+                       (safi>128) ? "vendor specific " : "", /* 128 is meanwhile wellknown */
+                       tok2str(bgp_safi_values, "Unknown SAFI", safi),
+                       safi);
+
+               if (af == AFNUM_INET || af==AFNUM_L2VPN)

                        ;
 #ifdef INET6
                else if (af == AFNUM_INET6)
                        ;
 #endif
                        ;
 #ifdef INET6
                else if (af == AFNUM_INET6)
                        ;
 #endif

-               else
-                       break;
+               else {
+                    printf("\n\t    no AFI %u decoder",af);
+                    if (vflag <= 1)
+                        print_unknown_data(tptr,"\n\t    ",tlen);
+                    break;
+                }
+
+                tptr +=3;
+
+               TCHECK(tptr[0]);
+               tlen = tptr[0];
+                tptr++;

 
 

-               tlen = p[0];

                if (tlen) {
                if (tlen) {

-                       printf(" nexthop");
-                       i = 0;
-                       while (i < tlen) {
+                       printf("\n\t    nexthop: ");
+                       while (tlen > 0) {

                                switch (af) {
                                case AFNUM_INET:
                                switch (af) {
                                case AFNUM_INET:

-                                       printf(" %s", getname(p + 1 + i));
-                                       i += sizeof(struct in_addr);
+                                    switch(safi) {
+                                    case SAFNUM_UNICAST:
+                                    case SAFNUM_MULTICAST:
+                                    case SAFNUM_UNIMULTICAST:
+                                    case SAFNUM_LABUNICAST:
+                                    case SAFNUM_RT_ROUTING_INFO:
+                                       if (tlen < (int)sizeof(struct in_addr)) {
+                                           printf("invalid len");
+                                           tlen = 0;
+                                       } else {
+                                           TCHECK2(tptr[0], sizeof(struct in_addr));
+                                           printf("%s",getname(tptr));
+                                           tlen -= sizeof(struct in_addr);
+                                           tptr += sizeof(struct in_addr);
+                                       }

                                        break;
                                        break;

+                                    case SAFNUM_VPNUNICAST:
+                                    case SAFNUM_VPNMULTICAST:
+                                    case SAFNUM_VPNUNIMULTICAST:
+                                       if (tlen < (int)(sizeof(struct in_addr)+BGP_VPN_RD_LEN)) {
+                                           printf("invalid len");
+                                           tlen = 0;
+                                       } else {
+                                           TCHECK2(tptr[0], sizeof(struct in_addr)+BGP_VPN_RD_LEN);
+                                           printf("RD: %s, %s",
+                                               bgp_vpn_rd_print(tptr),
+                                               getname(tptr+BGP_VPN_RD_LEN));
+                                           tlen -= (sizeof(struct in_addr)+BGP_VPN_RD_LEN);
+                                           tptr += (sizeof(struct in_addr)+BGP_VPN_RD_LEN);
+                                       }
+                                        break;
+                                    default:
+                                        TCHECK2(tptr[0], tlen);
+                                        printf("no SAFI %u decoder",safi);
+                                        if (vflag <= 1)
+                                            print_unknown_data(tptr,"\n\t    ",tlen);
+                                        tptr += tlen;
+                                        tlen = 0;
+                                        break;
+                                    }
+                                    break;

 #ifdef INET6
                                case AFNUM_INET6:
 #ifdef INET6
                                case AFNUM_INET6:

-                                       printf(" %s", getname6(p + 1 + i));
-                                       i += sizeof(struct in6_addr);
-                                       break;
+                                    switch(safi) {
+                                    case SAFNUM_UNICAST:
+                                    case SAFNUM_MULTICAST:
+                                    case SAFNUM_UNIMULTICAST:
+                                    case SAFNUM_LABUNICAST:
+                                    case SAFNUM_RT_ROUTING_INFO:
+                                       if (tlen < (int)sizeof(struct in6_addr)) {
+                                           printf("invalid len");
+                                           tlen = 0;
+                                       } else {
+                                           TCHECK2(tptr[0], sizeof(struct in6_addr));
+                                           printf("%s", getname6(tptr));
+                                           tlen -= sizeof(struct in6_addr);
+                                           tptr += sizeof(struct in6_addr);
+                                       }
+                                        break;
+                                    case SAFNUM_VPNUNICAST:
+                                    case SAFNUM_VPNMULTICAST:
+                                    case SAFNUM_VPNUNIMULTICAST:
+                                       if (tlen < (int)(sizeof(struct in6_addr)+BGP_VPN_RD_LEN)) {
+                                           printf("invalid len");
+                                           tlen = 0;
+                                       } else {
+                                           TCHECK2(tptr[0], sizeof(struct in6_addr)+BGP_VPN_RD_LEN);
+                                           printf("RD: %s, %s",
+                                               bgp_vpn_rd_print(tptr),
+                                               getname6(tptr+BGP_VPN_RD_LEN));
+                                           tlen -= (sizeof(struct in6_addr)+BGP_VPN_RD_LEN);
+                                           tptr += (sizeof(struct in6_addr)+BGP_VPN_RD_LEN);
+                                       }
+                                        break;
+                                    default:
+                                        TCHECK2(tptr[0], tlen);
+                                        printf("no SAFI %u decoder",safi);
+                                        if (vflag <= 1)
+                                            print_unknown_data(tptr,"\n\t    ",tlen);                                        
+                                        tptr += tlen;
+                                        tlen = 0;
+                                        break;
+                                    }
+                                    break;

 #endif
 #endif

+                                case AFNUM_L2VPN:
+                                   switch(safi) {
+                                    case SAFNUM_VPNUNICAST:
+                                    case SAFNUM_VPNMULTICAST:
+                                    case SAFNUM_VPNUNIMULTICAST:
+                                       if (tlen < (int)sizeof(struct in_addr)) {
+                                           printf("invalid len");
+                                           tlen = 0;
+                                       } else {
+                                           TCHECK2(tptr[0], sizeof(struct in_addr));
+                                           printf("%s", getname(tptr));
+                                           tlen -= (sizeof(struct in_addr));
+                                           tptr += (sizeof(struct in_addr));
+                                       }
+                                        break;
+                                   default:
+                                        TCHECK2(tptr[0], tlen);
+                                        printf("no SAFI %u decoder",safi);
+                                        if (vflag <= 1)
+                                            print_unknown_data(tptr,"\n\t    ",tlen);                                        
+                                        tptr += tlen;
+                                        tlen = 0;
+                                        break;
+                                   }
+                                   break;
+

                                default:
                                default:

-                                       printf(" (unknown af)");
-                                       i = tlen;       /*exit loop*/
-                                       break;
+                                    TCHECK2(tptr[0], tlen);
+                                    printf("no AFI %u decoder",af);
+                                    if (vflag <= 1)
+                                      print_unknown_data(tptr,"\n\t    ",tlen);
+                                    tptr += tlen;
+                                    tlen = 0;
+                                    break;

                                }
                        }
                                }
                        }

-                       printf(",");

                }
                }

-               p += 1 + tlen;
+               tptr += tlen;
+
+               TCHECK(tptr[0]);
+               snpa = tptr[0];
+               tptr++;

 
 

-               snpa = p[0];
-               p++;

                if (snpa) {
                if (snpa) {

-                       printf(" %u snpa", snpa);
+                       printf("\n\t    %u SNPA", snpa);

                        for (/*nothing*/; snpa > 0; snpa--) {
                        for (/*nothing*/; snpa > 0; snpa--) {

-                               printf("(%d bytes)", p[0]);
-                               p += p[0] + 1;
+                               TCHECK(tptr[0]);
+                               printf("\n\t      %d bytes", tptr[0]);
+                               tptr += tptr[0] + 1;

                        }
                        }

-                       printf(",");
-               }
+               } else {
+                       printf(", no SNPA");
+                }

 
 

-               printf(" NLRI");
-               while (len - (p - dat) > 0) {
+               while (len - (tptr - pptr) > 0) {

                        switch (af) {
                        case AFNUM_INET:
                        switch (af) {
                        case AFNUM_INET:

-                               advance = decode_prefix4(p, buf, sizeof(buf));
-                               printf(" %s", buf);
-                               break;
+                            switch (safi) {
+                            case SAFNUM_UNICAST:
+                            case SAFNUM_MULTICAST:
+                            case SAFNUM_UNIMULTICAST:
+                                advance = decode_prefix4(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                        printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                        goto trunc;
+                               else
+                                       printf("\n\t      %s", buf);
+                                break;
+                            case SAFNUM_LABUNICAST:
+                                advance = decode_labeled_prefix4(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                        printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                        goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);
+                                break;
+                            case SAFNUM_VPNUNICAST:
+                            case SAFNUM_VPNMULTICAST:
+                            case SAFNUM_VPNUNIMULTICAST:
+                                advance = decode_labeled_vpn_prefix4(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                        printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                        goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);
+                                break;
+                            case SAFNUM_RT_ROUTING_INFO:
+                                advance = decode_rt_routing_info(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                        printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                        goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);
+                                break;
+                            default:
+                                TCHECK2(*(tptr-3),tlen);
+                                printf("\n\t      no SAFI %u decoder",safi);
+                                if (vflag <= 1)
+                                    print_unknown_data(tptr-3,"\n\t    ",tlen);
+                                advance = 0;
+                               tptr = pptr + len;
+                               break;  
+                            }
+                            break;

 #ifdef INET6
                        case AFNUM_INET6:
 #ifdef INET6
                        case AFNUM_INET6:

-                               advance = decode_prefix6(p, buf, sizeof(buf));
-                               printf(" %s", buf);
+                            switch (safi) {
+                            case SAFNUM_UNICAST:
+                            case SAFNUM_MULTICAST:
+                            case SAFNUM_UNIMULTICAST:
+                               advance = decode_prefix6(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                       printf("\n\t      %s", buf);

                                break;
                                break;

+                            case SAFNUM_LABUNICAST:
+                                advance = decode_labeled_prefix6(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                       printf("\n\t      %s", buf);
+                                break;
+                            case SAFNUM_VPNUNICAST:
+                            case SAFNUM_VPNMULTICAST:
+                            case SAFNUM_VPNUNIMULTICAST:
+                                advance = decode_labeled_vpn_prefix6(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                       printf("\n\t      %s", buf);
+                                break;
+                            case SAFNUM_RT_ROUTING_INFO:
+                                advance = decode_rt_routing_info(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                       printf("\n\t      %s", buf);
+                                break;
+                            default:
+                                TCHECK2(*(tptr-3),tlen);
+                                printf("\n\t      no SAFI %u decoder ",safi);
+                                if (vflag <= 1)
+                                    print_unknown_data(tptr-3,"\n\t    ",tlen);
+                                advance = 0;
+                               tptr = pptr + len;
+                               break;
+                            }
+                            break;

 #endif
 #endif

+                        case AFNUM_L2VPN:
+                            switch(safi) {
+                            case SAFNUM_VPNUNICAST:
+                            case SAFNUM_VPNMULTICAST:
+                            case SAFNUM_VPNUNIMULTICAST:
+                               advance = decode_labeled_vpn_l2(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);         
+                                break;                                   
+                            default:
+                                TCHECK2(*tptr,tlen);
+                                printf("no SAFI %u decoder",safi);
+                                if (vflag <= 1)
+                                    print_unknown_data(tptr,"\n\t    ",tlen);
+                                advance = 0;
+                               tptr = pptr + len;
+                                break;
+                            }
+                            break;
+
+

                        default:
                        default:

-                               printf(" (unknown af)");
-                               advance = 0;
-                               p = dat + len;
-                               break;
+                            TCHECK2(*(tptr-3),tlen);
+                            printf("\n\t      no AFI %u decoder ",af);
+                            if (vflag <= 1)
+                                    print_unknown_data(tptr-3,"\n\t    ",tlen);
+                            advance = 0;
+                            tptr = pptr + len;
+                            break;

                        }
                        }

-
-                       p += advance;
+                        if (advance < 0) /* infinite loop protection */
+                            break;
+                       tptr += advance;

                }
                }

-

                break;
 
        case BGPTYPE_MP_UNREACH_NLRI:
                break;
 
        case BGPTYPE_MP_UNREACH_NLRI:

-               af = ntohs(*(u_int16_t *)p);
-               safi = p[2];
-               if (safi >= 128)
-                       printf(" %s vendor specific,", af_name(af));
-               else {
-                       printf(" %s %s,", af_name(af),
-                               bgp_attr_nlri_safi(safi));
-               }
-               p += 3;
-
-               printf(" Withdraw");
-               while (len - (p - dat) > 0) {
+               TCHECK2(tptr[0], 3);
+               af = EXTRACT_16BITS(tptr);
+               safi = tptr[2];
+
+                printf("\n\t    AFI: %s (%u), %sSAFI: %s (%u)",
+                       tok2str(bgp_afi_values, "Unknown AFI", af),
+                       af,
+                       (safi>128) ? "vendor specific " : "", /* 128 is meanwhile wellknown */
+                       tok2str(bgp_safi_values, "Unknown SAFI", safi),
+                       safi);
+
+               tptr += 3;
+                
+               while (len - (tptr - pptr) > 0) {

                        switch (af) {
                        case AFNUM_INET:
                        switch (af) {
                        case AFNUM_INET:

-                               advance = decode_prefix4(p, buf, sizeof(buf));
-                               printf(" %s", buf);
-                               break;
+                            switch (safi) {
+                            case SAFNUM_UNICAST:
+                            case SAFNUM_MULTICAST:
+                            case SAFNUM_UNIMULTICAST:
+                                advance = decode_prefix4(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                        printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                        goto trunc;
+                               else
+                                       printf("\n\t      %s", buf);
+                                break;
+                            case SAFNUM_LABUNICAST:
+                                advance = decode_labeled_prefix4(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                        printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                        goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);
+                                break;
+                            case SAFNUM_VPNUNICAST:
+                            case SAFNUM_VPNMULTICAST:
+                            case SAFNUM_VPNUNIMULTICAST:
+                                advance = decode_labeled_vpn_prefix4(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                        printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                        goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);
+                                break;
+                            default:
+                                TCHECK2(*(tptr-3),tlen);
+                                printf("\n\t      no SAFI %u decoder",safi);
+                                if (vflag <= 1)
+                                    print_unknown_data(tptr-3,"\n\t    ",tlen);
+                                advance = 0;
+                               tptr = pptr + len;
+                               break;  
+                            }
+                            break;
+

 #ifdef INET6
                        case AFNUM_INET6:
 #ifdef INET6
                        case AFNUM_INET6:

-                               advance = decode_prefix6(p, buf, sizeof(buf));
-                               printf(" %s", buf);
+                            switch (safi) {
+                            case SAFNUM_UNICAST:
+                            case SAFNUM_MULTICAST:
+                            case SAFNUM_UNIMULTICAST:
+                               advance = decode_prefix6(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                       printf("\n\t      %s", buf);
+                               break;
+                            case SAFNUM_LABUNICAST:
+                                advance = decode_labeled_prefix6(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);
+                                break;
+                            case SAFNUM_VPNUNICAST:
+                            case SAFNUM_VPNMULTICAST:
+                            case SAFNUM_VPNUNIMULTICAST:
+                                advance = decode_labeled_vpn_prefix6(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal prefix length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);
+                                break;
+                            default:
+                                TCHECK2(*(tptr-3),tlen);
+                                printf("\n\t      no SAFI %u decoder",safi);
+                                if (vflag <= 1)
+                                    print_unknown_data(tptr-3,"\n\t    ",tlen);
+                                advance = 0;
+                               tptr = pptr + len;

                                break;
                                break;

+                            }
+                            break;

 #endif
 #endif

+
+                        case AFNUM_L2VPN:
+                            switch(safi) {
+                            case SAFNUM_VPNUNICAST:
+                            case SAFNUM_VPNMULTICAST:
+                            case SAFNUM_VPNUNIMULTICAST:
+                               advance = decode_labeled_vpn_l2(tptr, buf, sizeof(buf));
+                               if (advance == -1)
+                                       printf("\n\t    (illegal length)");
+                               else if (advance == -2)
+                                       goto trunc;
+                               else
+                                        printf("\n\t      %s", buf);         
+                                break;                                   
+                            default:
+                                TCHECK2(*(tptr-3),tlen);
+                                printf("no SAFI %u decoder",safi);
+                                if (vflag <= 1)
+                                    print_unknown_data(tptr-3,"\n\t    ",tlen);                                        
+                                advance = 0;
+                               tptr = pptr + len;
+                                break;
+                            }
+                            break;
+

                        default:
                        default:

-                               printf(" (unknown af)");
+                               TCHECK2(*(tptr-3),tlen);
+                               printf("\n\t    no AFI %u decoder",af);
+                                if (vflag <= 1)
+                                    print_unknown_data(tptr-3,"\n\t    ",tlen);

                                advance = 0;
                                advance = 0;

-                               p = dat + len;
+                               tptr = pptr + len;

                                break;
                        }
 
                                break;
                        }
 

-                       p += advance;
+                       tptr += advance;

                }
                break;
                }
                break;

+        case BGPTYPE_EXTD_COMMUNITIES:
+               if (len % 8) {
+                       printf("invalid len");
+                       break;
+               }
+                while (tlen>0) {
+                    u_int16_t extd_comm;
+
+                    TCHECK2(tptr[0], 2);
+                    extd_comm=EXTRACT_16BITS(tptr);
+
+                   printf("\n\t    %s (0x%04x), Flags [%s]",
+                          tok2str(bgp_extd_comm_subtype_values, "unknown extd community typecode", extd_comm),
+                          extd_comm,
+                          bittok2str(bgp_extd_comm_flag_values, "none", extd_comm));
+
+                    TCHECK2(*(tptr+2), 6);
+                    switch(extd_comm) {
+                    case BGP_EXT_COM_RT_0:
+                    case BGP_EXT_COM_RO_0:
+                        printf(": %u:%s",
+                               EXTRACT_16BITS(tptr+2),
+                               getname(tptr+4));
+                        break;
+                    case BGP_EXT_COM_RT_1:
+                    case BGP_EXT_COM_RO_1:
+                        printf(": %s:%u",
+                               getname(tptr+2),
+                               EXTRACT_16BITS(tptr+6));
+                        break;
+                    case BGP_EXT_COM_RT_2:
+                    case BGP_EXT_COM_RO_2:
+                        printf(": %u:%u",
+                               EXTRACT_32BITS(tptr+2),
+                               EXTRACT_16BITS(tptr+6));
+                        break;
+                    case BGP_EXT_COM_LINKBAND:
+                       bw.i = EXTRACT_32BITS(tptr+2);
+                        printf(": bandwidth: %.3f Mbps",
+                               bw.f*8/1000000);
+                        break;
+                    case BGP_EXT_COM_VPN_ORIGIN:
+                    case BGP_EXT_COM_VPN_ORIGIN2:
+                    case BGP_EXT_COM_VPN_ORIGIN3:
+                    case BGP_EXT_COM_VPN_ORIGIN4:
+                    case BGP_EXT_COM_OSPF_RID:
+                    case BGP_EXT_COM_OSPF_RID2:
+                        printf("%s", getname(tptr+2));
+                        break;
+                    case BGP_EXT_COM_OSPF_RTYPE:
+                    case BGP_EXT_COM_OSPF_RTYPE2: 
+                        printf(": area:%s, router-type:%s, metric-type:%s%s",
+                               getname(tptr+2),
+                               tok2str(bgp_extd_comm_ospf_rtype_values,
+                                       "unknown (0x%02x)",
+                                       *(tptr+6)),
+                               (*(tptr+7) &  BGP_OSPF_RTYPE_METRIC_TYPE) ? "E2" : "",
+                               (*(tptr+6) == (BGP_OSPF_RTYPE_EXT ||BGP_OSPF_RTYPE_NSSA )) ? "E1" : "");
+                        break;
+                    case BGP_EXT_COM_L2INFO:
+                        printf(": %s Control Flags [0x%02x]:MTU %u",
+                               tok2str(bgp_l2vpn_encaps_values,
+                                       "unknown encaps",
+                                       *(tptr+2)),
+                                       *(tptr+3),
+                               EXTRACT_16BITS(tptr+4));
+                        break;
+                    default:
+                        print_unknown_data(tptr,"\n\t      ",8);
+                        break;
+                    }
+                    tlen -=8;
+                    tptr +=8;
+                }
+                break;
+

        default:
        default:

-               break;
+           TCHECK2(*pptr,len);
+            printf("\n\t    no Attribute %u decoder",attr->bgpa_type); /* we have no decoder for the attribute */
+            if (vflag <= 1)
+                print_unknown_data(pptr,"\n\t    ",len);
+            break;

        }
        }

+        if (vflag > 1 && len) /* omit zero length attributes*/
+            print_unknown_data(pptr,"\n\t    ",len);
+        return 1;
+
+trunc:
+        return 0;

 }
 
 static void
 }
 
 static void


@@ -530,32 +1463,99 @@ bgp_open_print(const u_char *dat, int length)
        struct bgp_opt bgpopt;
        int hlen;
        const u_char *opt;
        struct bgp_opt bgpopt;
        int hlen;
        const u_char *opt;

-       int i;
+       int i,cap_type,cap_len,tcap_len,cap_offset;

 
 

-       memcpy(&bgpo, dat, sizeof(bgpo));
+       TCHECK2(dat[0], BGP_OPEN_SIZE);
+       memcpy(&bgpo, dat, BGP_OPEN_SIZE);

        hlen = ntohs(bgpo.bgpo_len);
 
        hlen = ntohs(bgpo.bgpo_len);
 

-       printf(": Version %d,", bgpo.bgpo_version);
-       printf(" AS #%u,", ntohs(bgpo.bgpo_myas));
-       printf(" Holdtime %u,", ntohs(bgpo.bgpo_holdtime));
-       printf(" ID %s,", getname((u_char *)&bgpo.bgpo_id));
-       printf(" Option length %u", bgpo.bgpo_optlen);
+       printf("\n\t  Version %d, ", bgpo.bgpo_version);
+       printf("my AS %u, ", ntohs(bgpo.bgpo_myas));
+       printf("Holdtime %us, ", ntohs(bgpo.bgpo_holdtime));
+       printf("ID %s", getname((u_char *)&bgpo.bgpo_id));
+       printf("\n\t  Optional parameters, length: %u", bgpo.bgpo_optlen);
+
+        /* some little sanity checking */
+        if (length < bgpo.bgpo_optlen+BGP_OPEN_SIZE) 
+            return;

 
        /* ugly! */
 
        /* ugly! */

-       opt = &((struct bgp_open *)dat)->bgpo_optlen;
+       opt = &((const struct bgp_open *)dat)->bgpo_optlen;

        opt++;
 
        opt++;
 

-       for (i = 0; i < bgpo.bgpo_optlen; i++) {
-               memcpy(&bgpopt, &opt[i], sizeof(bgpopt));
+       i = 0;
+       while (i < bgpo.bgpo_optlen) {
+               TCHECK2(opt[i], BGP_OPT_SIZE);
+               memcpy(&bgpopt, &opt[i], BGP_OPT_SIZE);

                if (i + 2 + bgpopt.bgpopt_len > bgpo.bgpo_optlen) {
                if (i + 2 + bgpopt.bgpopt_len > bgpo.bgpo_optlen) {

-                       printf(" [|opt %d %d]", bgpopt.bgpopt_len, bgpopt.bgpopt_type);
+                        printf("\n\t     Option %d, length: %u", bgpopt.bgpopt_type, bgpopt.bgpopt_len);

                        break;
                }
 
                        break;
                }
 

-               printf(" (option %s, len=%d)", bgp_opttype(bgpopt.bgpopt_type),
-                       bgpopt.bgpopt_len);
-               i += sizeof(bgpopt) + bgpopt.bgpopt_len;
+               printf("\n\t    Option %s (%u), length: %u",
+                       tok2str(bgp_opt_values,"Unknown", bgpopt.bgpopt_type),
+                       bgpopt.bgpopt_type,
+                       bgpopt.bgpopt_len);
+
+                /* now lets decode the options we know*/
+                switch(bgpopt.bgpopt_type) {
+                case BGP_OPT_CAP:
+                    cap_type=opt[i+BGP_OPT_SIZE];
+                    cap_len=opt[i+BGP_OPT_SIZE+1];
+                    tcap_len=cap_len;
+                    printf("\n\t      %s, length: %u",
+                           tok2str(bgp_capcode_values,"Unknown", cap_type),
+                           cap_len);
+                    switch(cap_type) {
+                    case BGP_CAPCODE_MP:
+                        printf("\n\t\tAFI %s (%u), SAFI %s (%u)",
+                               tok2str(bgp_afi_values,"Unknown", EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+2)),
+                               EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+2),
+                               tok2str(bgp_safi_values,"Unknown", opt[i+BGP_OPT_SIZE+5]),
+                               opt[i+BGP_OPT_SIZE+5]);
+                        break;
+                    case BGP_CAPCODE_RESTART:
+                        printf("\n\t\tRestart Flags: [%s], Restart Time %us",
+                               ((opt[i+BGP_OPT_SIZE+2])&0x80) ? "R" : "none",
+                               EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+2)&0xfff);
+                        tcap_len-=2;
+                        cap_offset=4;
+                        while(tcap_len>=4) {
+                            printf("\n\t\t  AFI %s (%u), SAFI %s (%u), Forwarding state preserved: %s",
+                                   tok2str(bgp_afi_values,"Unknown", EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+cap_offset)),
+                                   EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+cap_offset),
+                                   tok2str(bgp_safi_values,"Unknown", opt[i+BGP_OPT_SIZE+cap_offset+2]),
+                                   opt[i+BGP_OPT_SIZE+cap_offset+2],
+                                   ((opt[i+BGP_OPT_SIZE+cap_offset+3])&0x80) ? "yes" : "no" );
+                            tcap_len-=4;
+                            cap_offset+=4;
+                        }
+                        break;
+                    case BGP_CAPCODE_RR:
+                    case BGP_CAPCODE_RR_CISCO:
+                        break;
+                    default:
+                        printf("\n\t\tno decoder for Capability %u",
+                               cap_type);
+                        if (vflag <= 1)
+                            print_unknown_data(&opt[i+BGP_OPT_SIZE+2],"\n\t\t",cap_len);
+                        break;
+                    }
+                    if (vflag > 1)
+                        print_unknown_data(&opt[i+BGP_OPT_SIZE+2],"\n\t\t",cap_len);
+                    break;
+                case BGP_OPT_AUTH:
+                default:
+                       printf("\n\t      no decoder for option %u",
+                           bgpopt.bgpopt_type);
+                       break;
+                }
+
+               i += BGP_OPT_SIZE + bgpopt.bgpopt_len;

        }
        }

+       return;
+trunc:
+       printf("[|BGP]");

 }
 
 static void
 }
 
 static void


@@ -567,77 +1567,100 @@ bgp_update_print(const u_char *dat, int length)
        const u_char *p;
        int len;
        int i;
        const u_char *p;
        int len;
        int i;

-       int newline;

 
 

-       memcpy(&bgp, dat, sizeof(bgp));
+       TCHECK2(dat[0], BGP_SIZE);
+       memcpy(&bgp, dat, BGP_SIZE);

        hlen = ntohs(bgp.bgp_len);
        p = dat + BGP_SIZE;     /*XXX*/
        hlen = ntohs(bgp.bgp_len);
        p = dat + BGP_SIZE;     /*XXX*/

-       printf(":");

 
        /* Unfeasible routes */
 
        /* Unfeasible routes */

-       len = ntohs(*(u_int16_t *)p);
+       len = EXTRACT_16BITS(p);

        if (len) {
        if (len) {

-               printf(" (Withdrawn routes: %d bytes)", len);
+               /*
+                * Without keeping state from the original NLRI message,
+                * it's not possible to tell if this a v4 or v6 route,
+                * so only try to decode it if we're not v6 enabled.
+                */
+#ifdef INET6
+               printf("\n\t  Withdrawn routes: %d bytes", len);
+#else
+               char buf[MAXHOSTNAMELEN + 100];
+               int wpfx;
+
+               TCHECK2(p[2], len);
+               i = 2;
+
+               printf("\n\t  Withdrawn routes:");
+
+               while(i < 2 + len) {
+                       wpfx = decode_prefix4(&p[i], buf, sizeof(buf));
+                       if (wpfx == -1) {
+                               printf("\n\t    (illegal prefix length)");
+                               break;
+                       } else if (wpfx == -2)
+                               goto trunc;
+                       else {
+                               i += wpfx;
+                               printf("\n\t    %s", buf);
+                       }
+               }
+#endif

        }
        p += 2 + len;
 
        }
        p += 2 + len;
 

-       len = ntohs(*(u_int16_t *)p);
+       TCHECK2(p[0], 2);
+       len = EXTRACT_16BITS(p);

        if (len) {
                /* do something more useful!*/
                i = 2;
        if (len) {
                /* do something more useful!*/
                i = 2;

-               printf(" (Path attributes:");   /* ) */
-               newline = 0;

                while (i < 2 + len) {
                        int alen, aoff;
 
                while (i < 2 + len) {
                        int alen, aoff;
 

+                       TCHECK2(p[i], sizeof(bgpa));

                        memcpy(&bgpa, &p[i], sizeof(bgpa));
                        alen = bgp_attr_len(&bgpa);
                        aoff = bgp_attr_off(&bgpa);
 
                        memcpy(&bgpa, &p[i], sizeof(bgpa));
                        alen = bgp_attr_len(&bgpa);
                        aoff = bgp_attr_off(&bgpa);
 

-                       if (vflag && newline)
-                               printf("\n\t\t");
-                       else
-                               printf(" ");
-                       printf("(");            /* ) */
-                       printf("%s", bgp_attr_type(bgpa.bgpa_type));
+                      printf("\n\t  %s (%u), length: %u",
+                              tok2str(bgp_attr_values, "Unknown Attribute", bgpa.bgpa_type),
+                              bgpa.bgpa_type,
+                              alen);
+

                        if (bgpa.bgpa_flags) {
                        if (bgpa.bgpa_flags) {

-                               printf("[%s%s%s%s]",
+                               printf(", Flags [%s%s%s%s",

                                        bgpa.bgpa_flags & 0x80 ? "O" : "",
                                        bgpa.bgpa_flags & 0x40 ? "T" : "",
                                        bgpa.bgpa_flags & 0x20 ? "P" : "",
                                        bgpa.bgpa_flags & 0x80 ? "O" : "",
                                        bgpa.bgpa_flags & 0x40 ? "T" : "",
                                        bgpa.bgpa_flags & 0x20 ? "P" : "",

-                                       bgpa.bgpa_flags & 0x00 ? "E" : "");
+                                       bgpa.bgpa_flags & 0x10 ? "E" : "");
+                               if (bgpa.bgpa_flags & 0xf)
+                                       printf("+%x", bgpa.bgpa_flags & 0xf);
+                               printf("]: ");

                        }
                        }

-
-                       bgp_attr_print(&bgpa, &p[i + aoff], alen);
-                       newline = 1;
-
-                       /* ( */
-                       printf(")");    
-
+                       if (!bgp_attr_print(&bgpa, &p[i + aoff], alen))
+                               goto trunc;

                        i += aoff + alen;
                }
                        i += aoff + alen;
                }

-
-               /* ( */
-               printf(")");

        }
        p += 2 + len;
 
        }
        p += 2 + len;
 

-       if (len && dat + length > p)
-               printf("\n\t\t");

        if (dat + length > p) {
        if (dat + length > p) {

-               printf("(NLRI:");       /* ) */
+            printf("\n\t  Updated routes:");

                while (dat + length > p) {
                while (dat + length > p) {

-                       char buf[256];
+                       char buf[MAXHOSTNAMELEN + 100];

                        i = decode_prefix4(p, buf, sizeof(buf));
                        i = decode_prefix4(p, buf, sizeof(buf));

-                       printf(" %s", buf);
-                       if (i < 0)
-                               break;
-                       p += i;
+                       if (i == -1)
+                               printf("\n\t    (illegal prefix length)");
+                       else if (i == -2)
+                               goto trunc;
+                       else {
+                               printf("\n\t    %s", buf);
+                               p += i;
+                       }

                }
                }

-
-               /* ( */
-               printf(")");

        }
        }

+       return;
+trunc:
+       printf("[|BGP]");

 }
 
 static void
 }
 
 static void


@@ -645,22 +1668,100 @@ bgp_notification_print(const u_char *dat, int length)
 {
        struct bgp_notification bgpn;
        int hlen;
 {
        struct bgp_notification bgpn;
        int hlen;

+       const u_char *tptr;

 
 

-       memcpy(&bgpn, dat, sizeof(bgpn));
+       TCHECK2(dat[0], BGP_NOTIFICATION_SIZE);
+       memcpy(&bgpn, dat, BGP_NOTIFICATION_SIZE);

        hlen = ntohs(bgpn.bgpn_len);
 
        hlen = ntohs(bgpn.bgpn_len);
 

-       printf(": error %s,", bgp_notify_major(bgpn.bgpn_major));
-       printf(" subcode %s",
-               bgp_notify_minor(bgpn.bgpn_major, bgpn.bgpn_minor));
+        /* some little sanity checking */
+        if (length<BGP_NOTIFICATION_SIZE)
+            return;
+
+       printf(", %s (%u)",
+              tok2str(bgp_notify_major_values, "Unknown Error", bgpn.bgpn_major),
+              bgpn.bgpn_major);
+
+        switch (bgpn.bgpn_major) {
+
+        case BGP_NOTIFY_MAJOR_MSG:
+            printf(", subcode %s (%u)",
+                  tok2str(bgp_notify_minor_msg_values, "Unknown", bgpn.bgpn_minor),
+                  bgpn.bgpn_minor);
+            break;
+        case BGP_NOTIFY_MAJOR_OPEN:
+            printf(", subcode %s (%u)",
+                  tok2str(bgp_notify_minor_open_values, "Unknown", bgpn.bgpn_minor),
+                  bgpn.bgpn_minor);
+            break;
+        case BGP_NOTIFY_MAJOR_UPDATE:
+            printf(", subcode %s (%u)",
+                  tok2str(bgp_notify_minor_update_values, "Unknown", bgpn.bgpn_minor),
+                  bgpn.bgpn_minor);
+            break;
+        case BGP_NOTIFY_MAJOR_CAP:
+            printf(" subcode %s (%u)",
+                  tok2str(bgp_notify_minor_cap_values, "Unknown", bgpn.bgpn_minor),
+                  bgpn.bgpn_minor);
+        case BGP_NOTIFY_MAJOR_CEASE:
+            printf(", subcode %s (%u)",
+                  tok2str(bgp_notify_minor_cease_values, "Unknown", bgpn.bgpn_minor),
+                  bgpn.bgpn_minor);
+
+           /* draft-ietf-idr-cease-subcode-02 mentions optionally 7 bytes
+             * for the maxprefix subtype, which may contain AFI, SAFI and MAXPREFIXES
+             */
+           if(bgpn.bgpn_minor == BGP_NOTIFY_MINOR_CEASE_MAXPRFX && length >= BGP_NOTIFICATION_SIZE + 7) {
+               tptr = dat + BGP_NOTIFICATION_SIZE;
+               TCHECK2(*tptr, 7);
+               printf(", AFI %s (%u), SAFI %s (%u), Max Prefixes: %u",
+                      tok2str(bgp_afi_values, "Unknown", EXTRACT_16BITS(tptr)),
+                      EXTRACT_16BITS(tptr),
+                      tok2str(bgp_safi_values, "Unknown", *(tptr+2)),
+                      *(tptr+2),
+                      EXTRACT_32BITS(tptr+3));
+           }
+            break;
+        default:
+            break;
+        }
+
+       return;
+trunc:
+       printf("[|BGP]");

 }
 
 static void
 }
 
 static void

+bgp_route_refresh_print(const u_char *pptr, int len) {
+
+        const struct bgp_route_refresh *bgp_route_refresh_header;
+        bgp_route_refresh_header = (const struct bgp_route_refresh *)pptr;
+
+        printf("\n\t  AFI %s (%u), SAFI %s (%u)",
+               tok2str(bgp_afi_values,"Unknown",
+                       EXTRACT_16BITS(&bgp_route_refresh_header->afi)), /* this stinks but the compiler pads the structure weird */
+               EXTRACT_16BITS(&bgp_route_refresh_header->afi),
+               tok2str(bgp_safi_values,"Unknown",
+                       bgp_route_refresh_header->safi),
+               bgp_route_refresh_header->safi);
+
+        if (vflag > 1)
+            print_unknown_data(pptr,"\n\t  ", len);
+        
+        return;
+}
+
+static int

 bgp_header_print(const u_char *dat, int length)
 {
        struct bgp bgp;
 
 bgp_header_print(const u_char *dat, int length)
 {
        struct bgp bgp;
 

-       memcpy(&bgp, dat, sizeof(bgp));
-       printf("(%s", bgp_type(bgp.bgp_type));          /* ) */
+       TCHECK2(dat[0], BGP_SIZE);
+       memcpy(&bgp, dat, BGP_SIZE);
+       printf("\n\t%s Message (%u), length: %u",
+               tok2str(bgp_msg_values, "Unknown", bgp.bgp_type),
+               bgp.bgp_type,
+               length);

 
        switch (bgp.bgp_type) {
        case BGP_OPEN:
 
        switch (bgp.bgp_type) {
        case BGP_OPEN:


@@ -672,10 +1773,21 @@ bgp_header_print(const u_char *dat, int length)
        case BGP_NOTIFICATION:
                bgp_notification_print(dat, length);
                break;
        case BGP_NOTIFICATION:
                bgp_notification_print(dat, length);
                break;

+        case BGP_KEEPALIVE:
+                break;
+        case BGP_ROUTE_REFRESH:
+                bgp_route_refresh_print(dat, length);
+                break;
+        default:
+            /* we have no decoder for the BGP message */
+            printf("\n\t  no Message %u decoder",bgp.bgp_type);
+            print_unknown_data(dat,"\n\t  ",length);
+                break;

        }
        }

-
-       /* ( */
-       printf(")");
+       return 1;
+trunc:
+       printf("[|BGP]");
+       return 0;

 }
 
 void
 }
 
 void


@@ -685,21 +1797,22 @@ bgp_print(const u_char *dat, int length)
        const u_char *ep;
        const u_char *start;
        const u_char marker[] = {
        const u_char *ep;
        const u_char *start;
        const u_char marker[] = {

-               0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
-               0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
+               0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+               0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,

        };
        struct bgp bgp;
        u_int16_t hlen;
        };
        struct bgp bgp;
        u_int16_t hlen;

-       int newline;

 
        ep = dat + length;
        if (snapend < dat + length)
                ep = snapend;
 
 
        ep = dat + length;
        if (snapend < dat + length)
                ep = snapend;
 

-       printf(": BGP");
+       printf(": BGP, length: %u",length);
+
+        if (vflag < 1) /* lets be less chatty */
+                return;

 
        p = dat;
 
        p = dat;

-       newline = 0;

        start = p;
        while (p < snapend) {
                if (!TTEST2(p[0], 1))
        start = p;
        while (p < snapend) {
                if (!TTEST2(p[0], 1))


@@ -718,23 +1831,25 @@ bgp_print(const u_char *dat, int length)
 
                /* found BGP header */
                TCHECK2(p[0], BGP_SIZE);        /*XXX*/
 
                /* found BGP header */
                TCHECK2(p[0], BGP_SIZE);        /*XXX*/

-               memcpy(&bgp, p, sizeof(bgp));
+               memcpy(&bgp, p, BGP_SIZE);

 
                if (start != p)
                        printf(" [|BGP]");
 
                hlen = ntohs(bgp.bgp_len);
 
                if (start != p)
                        printf(" [|BGP]");
 
                hlen = ntohs(bgp.bgp_len);

-               if (vflag && newline)
-                       printf("\n\t");
-               else
-                       printf(" ");
+               if (hlen < BGP_SIZE) {
+                       printf("\n[|BGP Bogus header length %u < %u]", hlen,
+                           BGP_SIZE);
+                       break;
+               }
+

                if (TTEST2(p[0], hlen)) {
                if (TTEST2(p[0], hlen)) {

-                       bgp_header_print(p, hlen);
-                       newline = 1;
+                       if (!bgp_header_print(p, hlen))
+                               return;

                        p += hlen;
                        start = p;
                } else {
                        p += hlen;
                        start = p;
                } else {

-                       printf("[|BGP %s]", bgp_type(bgp.bgp_type));
+                       printf("\n[|BGP %s]", tok2str(bgp_msg_values, "Unknown Message Type",bgp.bgp_type));

                        break;
                }
        }
                        break;
                }
        }