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authorRui Paulo <rpaulo@FreeBSD.org>2009-03-21 16:23:46 +0000
committerRui Paulo <rpaulo@FreeBSD.org>2009-03-21 16:23:46 +0000
commit0ea0e7ad03dff03bb5448f640640d7904c01c8d4 (patch)
treef2a455fa35943d2b7d4901bf95ac5bf39229115c /print-bgp.c
parent81ceab7147ecaac14fa1889cdb461205e1002393 (diff)
downloadsrc-0ea0e7ad03dff03bb5448f640640d7904c01c8d4.tar.gz
src-0ea0e7ad03dff03bb5448f640640d7904c01c8d4.zip
Import tcpdump 4.0.0.vendor/tcpdump/4.0.0
Notes
Notes: svn path=/vendor/tcpdump/dist/; revision=190203 svn path=/vendor/tcpdump/4.0.0/; revision=190204; tag=vendor/tcpdump/4.0.0
Diffstat (limited to 'print-bgp.c')
-rw-r--r--print-bgp.c457
1 files changed, 427 insertions, 30 deletions
diff --git a/print-bgp.c b/print-bgp.c
index 34aa7985eca8..2dfdf52e0787 100644
--- a/print-bgp.c
+++ b/print-bgp.c
@@ -36,7 +36,7 @@
#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.91.2.12 2007/07/14 22:26:35 guy Exp $";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.117.2.1 2007-12-08 10:08:07 hannes Exp $";
#endif
#include <tcpdump-stdinc.h>
@@ -49,8 +49,8 @@ static const char rcsid[] _U_ =
#include "addrtoname.h"
#include "extract.h"
#include "bgp.h"
-#include "l2vpn.h"
#include "af.h"
+#include "l2vpn.h"
struct bgp {
u_int8_t bgp_marker[16];
@@ -145,6 +145,9 @@ struct bgp_attr {
#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 */
+#define BGPTYPE_AS4_PATH 17 /* RFC4893 */
+#define BGPTYPE_AGGREGATOR4 18 /* RFC4893 */
+#define BGPTYPE_PMSI_TUNNEL 22 /* draft-ietf-l3vpn-2547bis-mcast-bgp-02.txt */
#define BGPTYPE_ATTR_SET 128 /* draft-marques-ppvpn-ibgp */
#define BGP_MP_NLRI_MINSIZE 3 /* End of RIB Marker detection */
@@ -152,11 +155,13 @@ struct bgp_attr {
static struct tok bgp_attr_values[] = {
{ BGPTYPE_ORIGIN, "Origin"},
{ BGPTYPE_AS_PATH, "AS Path"},
+ { BGPTYPE_AS4_PATH, "AS4 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_AGGREGATOR4, "Aggregator4"},
{ BGPTYPE_COMMUNITIES, "Community"},
{ BGPTYPE_ORIGINATOR_ID, "Originator ID"},
{ BGPTYPE_CLUSTER_LIST, "Cluster List"},
@@ -166,6 +171,7 @@ static struct tok bgp_attr_values[] = {
{ BGPTYPE_MP_REACH_NLRI, "Multi-Protocol Reach NLRI"},
{ BGPTYPE_MP_UNREACH_NLRI, "Multi-Protocol Unreach NLRI"},
{ BGPTYPE_EXTD_COMMUNITIES, "Extended Community"},
+ { BGPTYPE_PMSI_TUNNEL, "PMSI Tunnel"},
{ BGPTYPE_ATTR_SET, "Attribute Set"},
{ 255, "Reserved for development"},
{ 0, NULL}
@@ -176,6 +182,9 @@ static struct tok bgp_attr_values[] = {
#define BGP_CONFED_AS_SEQUENCE 3 /* draft-ietf-idr-rfc3065bis-01 */
#define BGP_CONFED_AS_SET 4 /* draft-ietf-idr-rfc3065bis-01 */
+#define BGP_AS_SEG_TYPE_MIN BGP_AS_SET
+#define BGP_AS_SEG_TYPE_MAX BGP_CONFED_AS_SET
+
static struct tok bgp_as_path_segment_open_values[] = {
{ BGP_AS_SEQUENCE, ""},
{ BGP_AS_SET, "{ "},
@@ -267,6 +276,7 @@ static struct tok bgp_notify_minor_open_values[] = {
{ 4, "Unsupported Optional Parameter"},
{ 5, "Authentication Failure"},
{ 6, "Unacceptable Hold Time"},
+ { 7, "Capability Message Error"},
{ 0, NULL}
};
@@ -300,6 +310,31 @@ static struct tok bgp_origin_values[] = {
{ 0, NULL}
};
+#define BGP_PMSI_TUNNEL_RSVP_P2MP 1
+#define BGP_PMSI_TUNNEL_LDP_P2MP 2
+#define BGP_PMSI_TUNNEL_PIM_SSM 3
+#define BGP_PMSI_TUNNEL_PIM_SM 4
+#define BGP_PMSI_TUNNEL_PIM_BIDIR 5
+#define BGP_PMSI_TUNNEL_INGRESS 6
+#define BGP_PMSI_TUNNEL_LDP_MP2MP 7
+
+static struct tok bgp_pmsi_tunnel_values[] = {
+ { BGP_PMSI_TUNNEL_RSVP_P2MP, "RSVP-TE P2MP LSP"},
+ { BGP_PMSI_TUNNEL_LDP_P2MP, "LDP P2MP LSP"},
+ { BGP_PMSI_TUNNEL_PIM_SSM, "PIM-SSM Tree"},
+ { BGP_PMSI_TUNNEL_PIM_SM, "PIM-SM Tree"},
+ { BGP_PMSI_TUNNEL_PIM_BIDIR, "PIM-Bidir Tree"},
+ { BGP_PMSI_TUNNEL_INGRESS, "Ingress Replication"},
+ { BGP_PMSI_TUNNEL_LDP_MP2MP, "LDP MP2MP LSP"},
+ { 0, NULL}
+};
+
+static struct tok bgp_pmsi_flag_values[] = {
+ { 0x01, "Leaf Information required"},
+ { 0, NULL}
+};
+
+
/* Subsequent address family identifier, RFC2283 section 7 */
#define SAFNUM_RES 0
#define SAFNUM_UNICAST 1
@@ -307,6 +342,8 @@ static struct tok bgp_origin_values[] = {
#define SAFNUM_UNIMULTICAST 3
/* labeled BGP RFC3107 */
#define SAFNUM_LABUNICAST 4
+/* draft-ietf-l3vpn-2547bis-mcast-bgp-02.txt */
+#define SAFNUM_MULTICAST_VPN 5
#define SAFNUM_TUNNEL 64 /* XXX */
#define SAFNUM_VPLS 65 /* XXX */
#define SAFNUM_MDT 66 /* XXX */
@@ -331,7 +368,8 @@ static struct tok bgp_safi_values[] = {
{ SAFNUM_VPNUNICAST, "labeled VPN Unicast"},
{ SAFNUM_VPNMULTICAST, "labeled VPN Multicast"},
{ SAFNUM_VPNUNIMULTICAST, "labeled VPN Unicast+Multicast"},
- { SAFNUM_RT_ROUTING_INFO, "Route Target Routing Information"}, /* draft-marques-ppvpn-rt-constrain-01.txt */
+ { SAFNUM_RT_ROUTING_INFO, "Route Target Routing Information"},
+ { SAFNUM_MULTICAST_VPN, "Multicast VPN"},
{ 0, NULL }
};
@@ -349,8 +387,6 @@ static struct tok bgp_safi_values[] = {
#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_CISCO_MCAST 0x0009 /* cisco proprietary */
-
#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 */
@@ -364,6 +400,9 @@ static struct tok bgp_safi_values[] = {
#define BGP_EXT_COM_L2INFO 0x800a /* draft-kompella-ppvpn-l2vpn */
+#define BGP_EXT_COM_SOURCE_AS 0x0009 /* draft-ietf-l3vpn-2547bis-mcast-bgp-02.txt */
+#define BGP_EXT_COM_VRF_RT_IMP 0x010a /* draft-ietf-l3vpn-2547bis-mcast-bgp-02.txt */
+
/* http://www.cisco.com/en/US/tech/tk436/tk428/technologies_tech_note09186a00801eb09a.shtml */
#define BGP_EXT_COM_EIGRP_GEN 0x8800
#define BGP_EXT_COM_EIGRP_METRIC_AS_DELAY 0x8801
@@ -386,7 +425,6 @@ static struct tok bgp_extd_comm_subtype_values[] = {
{ BGP_EXT_COM_RO_1, "origin"},
{ BGP_EXT_COM_RO_2, "origin"},
{ BGP_EXT_COM_LINKBAND, "link-BW"},
- { BGP_EXT_COM_CISCO_MCAST, "mdt-group"},
{ BGP_EXT_COM_VPN_ORIGIN, "ospf-domain"},
{ BGP_EXT_COM_VPN_ORIGIN2, "ospf-domain"},
{ BGP_EXT_COM_VPN_ORIGIN3, "ospf-domain"},
@@ -402,6 +440,8 @@ static struct tok bgp_extd_comm_subtype_values[] = {
{ BGP_EXT_COM_EIGRP_METRIC_LOAD_MTU , "eigrp-route-metric (load, MTU)" },
{ BGP_EXT_COM_EIGRP_EXT_REMAS_REMID , "eigrp-external-route (remote-AS, remote-ID)" },
{ BGP_EXT_COM_EIGRP_EXT_REMPROTO_REMMETRIC , "eigrp-external-route (remote-proto, remote-metric)" },
+ { BGP_EXT_COM_SOURCE_AS, "source-AS" },
+ { BGP_EXT_COM_VRF_RT_IMP, "vrf-route-import"},
{ 0, NULL},
};
@@ -494,6 +534,99 @@ trunc:
return -2;
}
+/*
+ * bgp_vpn_ip_print
+ *
+ * print an ipv4 or ipv6 address into a buffer dependend on address length.
+ */
+static char *
+bgp_vpn_ip_print (const u_char *pptr, u_int addr_length) {
+
+ /* worst case string is s fully formatted v6 address */
+ static char addr[sizeof("1234:5678:89ab:cdef:1234:5678:89ab:cdef")];
+ char *pos = addr;
+
+ switch(addr_length) {
+ case (sizeof(struct in_addr) << 3): /* 32 */
+ TCHECK2(pptr[0], sizeof(struct in_addr));
+ snprintf(pos, sizeof(addr), "%s", ipaddr_string(pptr));
+ break;
+#ifdef INET6
+ case (sizeof(struct in6_addr) << 3): /* 128 */
+ TCHECK2(pptr[0], sizeof(struct in6_addr));
+ snprintf(pos, sizeof(addr), "%s", ip6addr_string(pptr));
+ break;
+#endif
+ default:
+ snprintf(pos, sizeof(addr), "bogus address length %u", addr_length);
+ break;
+ }
+ pos += strlen(pos);
+
+trunc:
+ *(pos) = '\0';
+ return (addr);
+}
+
+/*
+ * bgp_vpn_sg_print
+ *
+ * print an multicast s,g entry into a buffer.
+ * the s,g entry is encoded like this.
+ *
+ * +-----------------------------------+
+ * | Multicast Source Length (1 octet) |
+ * +-----------------------------------+
+ * | Multicast Source (Variable) |
+ * +-----------------------------------+
+ * | Multicast Group Length (1 octet) |
+ * +-----------------------------------+
+ * | Multicast Group (Variable) |
+ * +-----------------------------------+
+ *
+ * return the number of bytes read from the wire.
+ */
+static int
+bgp_vpn_sg_print (const u_char *pptr, char *buf, u_int buflen) {
+
+ u_int8_t addr_length;
+ u_int total_length, offset;
+
+ total_length = 0;
+
+ /* Source address length, encoded in bits */
+ TCHECK2(pptr[0], 1);
+ addr_length = *pptr++;
+
+ /* Source address */
+ TCHECK2(pptr[0], (addr_length >> 3));
+ total_length += (addr_length >> 3) + 1;
+ offset = strlen(buf);
+ if (addr_length) {
+ snprintf(buf + offset, buflen - offset, ", Source %s",
+ bgp_vpn_ip_print(pptr, addr_length));
+ pptr += (addr_length >> 3);
+ }
+
+ /* Group address length, encoded in bits */
+ TCHECK2(pptr[0], 1);
+ addr_length = *pptr++;
+
+ /* Group address */
+ TCHECK2(pptr[0], (addr_length >> 3));
+ total_length += (addr_length >> 3) + 1;
+ offset = strlen(buf);
+ if (addr_length) {
+ snprintf(buf + offset, buflen - offset, ", Group %s",
+ bgp_vpn_ip_print(pptr, addr_length));
+ pptr += (addr_length >> 3);
+ }
+
+trunc:
+ return (total_length);
+}
+
+
/* RDs and RTs share the same semantics
* we use bgp_vpn_rd_print for
* printing route targets inside a NLRI */
@@ -507,10 +640,12 @@ bgp_vpn_rd_print (const u_char *pptr) {
/* ok lets load the RD format */
switch (EXTRACT_16BITS(pptr)) {
- /* AS:IP-address fmt*/
+ /* 2-byte-AS:number 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));
+ snprintf(pos, sizeof(rd) - (pos - rd), "%u:%u (= %u.%u.%u.%u)",
+ EXTRACT_16BITS(pptr+2),
+ EXTRACT_32BITS(pptr+4),
+ *(pptr+4), *(pptr+5), *(pptr+6), *(pptr+7));
break;
/* IP-address:AS fmt*/
@@ -609,6 +744,108 @@ trunc:
return -2;
}
+#define BGP_MULTICAST_VPN_ROUTE_TYPE_INTRA_AS_I_PMSI 1
+#define BGP_MULTICAST_VPN_ROUTE_TYPE_INTER_AS_I_PMSI 2
+#define BGP_MULTICAST_VPN_ROUTE_TYPE_S_PMSI 3
+#define BGP_MULTICAST_VPN_ROUTE_TYPE_INTRA_AS_SEG_LEAF 4
+#define BGP_MULTICAST_VPN_ROUTE_TYPE_SOURCE_ACTIVE 5
+#define BGP_MULTICAST_VPN_ROUTE_TYPE_SHARED_TREE_JOIN 6
+#define BGP_MULTICAST_VPN_ROUTE_TYPE_SOURCE_TREE_JOIN 7
+
+static struct tok bgp_multicast_vpn_route_type_values[] = {
+ { BGP_MULTICAST_VPN_ROUTE_TYPE_INTRA_AS_I_PMSI, "Intra-AS I-PMSI"},
+ { BGP_MULTICAST_VPN_ROUTE_TYPE_INTER_AS_I_PMSI, "Inter-AS I-PMSI"},
+ { BGP_MULTICAST_VPN_ROUTE_TYPE_S_PMSI, "S-PMSI"},
+ { BGP_MULTICAST_VPN_ROUTE_TYPE_INTRA_AS_SEG_LEAF, "Intra-AS Segment-Leaf"},
+ { BGP_MULTICAST_VPN_ROUTE_TYPE_SOURCE_ACTIVE, "Source-Active"},
+ { BGP_MULTICAST_VPN_ROUTE_TYPE_SHARED_TREE_JOIN, "Shared Tree Join"},
+ { BGP_MULTICAST_VPN_ROUTE_TYPE_SOURCE_TREE_JOIN, "Source Tree Join"},
+};
+
+static int
+decode_multicast_vpn(const u_char *pptr, char *buf, u_int buflen)
+{
+ u_int8_t route_type, route_length, addr_length, sg_length;
+ u_int offset;
+
+ TCHECK2(pptr[0], 2);
+ route_type = *pptr++;
+ route_length = *pptr++;
+
+ snprintf(buf, buflen, "Route-Type: %s (%u), length: %u",
+ tok2str(bgp_multicast_vpn_route_type_values,
+ "Unknown", route_type),
+ route_type, route_length);
+
+ switch(route_type) {
+ case BGP_MULTICAST_VPN_ROUTE_TYPE_INTRA_AS_I_PMSI:
+ TCHECK2(pptr[0], BGP_VPN_RD_LEN);
+ offset = strlen(buf);
+ snprintf(buf + offset, buflen - offset, ", RD: %s, Originator %s",
+ bgp_vpn_rd_print(pptr),
+ bgp_vpn_ip_print(pptr + BGP_VPN_RD_LEN,
+ (route_length - BGP_VPN_RD_LEN) << 3));
+ break;
+ case BGP_MULTICAST_VPN_ROUTE_TYPE_INTER_AS_I_PMSI:
+ TCHECK2(pptr[0], BGP_VPN_RD_LEN + 4);
+ offset = strlen(buf);
+ snprintf(buf + offset, buflen - offset, ", RD: %s, Source-AS %u",
+ bgp_vpn_rd_print(pptr),
+ EXTRACT_32BITS(pptr + BGP_VPN_RD_LEN));
+ break;
+
+ case BGP_MULTICAST_VPN_ROUTE_TYPE_S_PMSI:
+ TCHECK2(pptr[0], BGP_VPN_RD_LEN);
+ offset = strlen(buf);
+ snprintf(buf + offset, buflen - offset, ", RD: %s",
+ bgp_vpn_rd_print(pptr));
+ pptr += BGP_VPN_RD_LEN;
+
+ sg_length = bgp_vpn_sg_print(pptr, buf, buflen);
+ addr_length = route_length - sg_length;
+
+ TCHECK2(pptr[0], addr_length);
+ offset = strlen(buf);
+ snprintf(buf + offset, buflen - offset, ", Originator %s",
+ bgp_vpn_ip_print(pptr, addr_length << 3));
+ break;
+
+ case BGP_MULTICAST_VPN_ROUTE_TYPE_SOURCE_ACTIVE:
+ TCHECK2(pptr[0], BGP_VPN_RD_LEN);
+ offset = strlen(buf);
+ snprintf(buf + offset, buflen - offset, ", RD: %s",
+ bgp_vpn_rd_print(pptr));
+ pptr += BGP_VPN_RD_LEN;
+
+ bgp_vpn_sg_print(pptr, buf, buflen);
+ break;
+
+ case BGP_MULTICAST_VPN_ROUTE_TYPE_SHARED_TREE_JOIN: /* fall through */
+ case BGP_MULTICAST_VPN_ROUTE_TYPE_SOURCE_TREE_JOIN:
+ TCHECK2(pptr[0], BGP_VPN_RD_LEN);
+ offset = strlen(buf);
+ snprintf(buf + offset, buflen - offset, ", RD: %s, Source-AS %u",
+ bgp_vpn_rd_print(pptr),
+ EXTRACT_32BITS(pptr + BGP_VPN_RD_LEN));
+ pptr += BGP_VPN_RD_LEN;
+
+ bgp_vpn_sg_print(pptr, buf, buflen);
+ break;
+
+ /*
+ * no per route-type printing yet.
+ */
+ case BGP_MULTICAST_VPN_ROUTE_TYPE_INTRA_AS_SEG_LEAF:
+ default:
+ break;
+ }
+
+ return route_length + 2;
+
+trunc:
+ return -2;
+}
+
/*
* As I remember, some versions of systems have an snprintf() that
* returns -1 if the buffer would have overflowed. If the return
@@ -863,6 +1100,63 @@ trunc:
return -2;
}
+/*
+ * bgp_attr_get_as_size
+ *
+ * Try to find the size of the ASs encoded in an as-path. It is not obvious, as
+ * both Old speakers that do not support 4 byte AS, and the new speakers that do
+ * support, exchange AS-Path with the same path-attribute type value 0x02.
+ */
+static int
+bgp_attr_get_as_size (u_int8_t bgpa_type, const u_char *pptr, int len)
+{
+ const u_char *tptr = pptr;
+
+ /*
+ * If the path attribute is the optional AS4 path type, then we already
+ * know, that ASs must be encoded in 4 byte format.
+ */
+ if (bgpa_type == BGPTYPE_AS4_PATH) {
+ return 4;
+ }
+
+ /*
+ * Let us assume that ASs are of 2 bytes in size, and check if the AS-Path
+ * TLV is good. If not, ask the caller to try with AS encoded as 4 bytes
+ * each.
+ */
+ while (tptr < pptr + len) {
+ TCHECK(tptr[0]);
+
+ /*
+ * If we do not find a valid segment type, our guess might be wrong.
+ */
+ if (tptr[0] < BGP_AS_SEG_TYPE_MIN || tptr[0] > BGP_AS_SEG_TYPE_MAX) {
+ goto trunc;
+ }
+ TCHECK(tptr[1]);
+ tptr += 2 + tptr[1] * 2;
+ }
+
+ /*
+ * If we correctly reached end of the AS path attribute data content,
+ * then most likely ASs were indeed encoded as 2 bytes.
+ */
+ if (tptr == pptr + len) {
+ return 2;
+ }
+
+trunc:
+
+ /*
+ * We can come here, either we did not have enough data, or if we
+ * try to decode 4 byte ASs in 2 byte format. Either way, return 4,
+ * so that calller can try to decode each AS as of 4 bytes. If indeed
+ * there was not enough data, it will crib and end the parse anyways.
+ */
+ return 4;
+}
+
static int
bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
{
@@ -878,6 +1172,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
const u_char *tptr;
char buf[MAXHOSTNAMELEN + 100];
char tokbuf[TOKBUFSIZE];
+ int as_size;
tptr = pptr;
tlen=len;
@@ -895,6 +1190,11 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
}
break;
+
+ /*
+ * Process AS4 byte path and AS2 byte path attributes here.
+ */
+ case BGPTYPE_AS4_PATH:
case BGPTYPE_AS_PATH:
if (len % 2) {
printf("invalid len");
@@ -905,21 +1205,33 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
break;
}
+ /*
+ * BGP updates exchanged between New speakers that support 4
+ * byte AS, ASs are always encoded in 4 bytes. There is no
+ * definitive way to find this, just by the packet's
+ * contents. So, check for packet's TLV's sanity assuming
+ * 2 bytes first, and it does not pass, assume that ASs are
+ * encoded in 4 bytes format and move on.
+ */
+ as_size = bgp_attr_get_as_size(attr->bgpa_type, pptr, len);
+
while (tptr < pptr + len) {
TCHECK(tptr[0]);
printf("%s", tok2strbuf(bgp_as_path_segment_open_values,
"?", tptr[0],
tokbuf, sizeof(tokbuf)));
- for (i = 0; i < tptr[1] * 2; i += 2) {
- TCHECK2(tptr[2 + i], 2);
- printf("%u ", EXTRACT_16BITS(&tptr[2 + i]));
+ for (i = 0; i < tptr[1] * as_size; i += as_size) {
+ TCHECK2(tptr[2 + i], as_size);
+ printf("%u ",
+ as_size == 2 ? EXTRACT_16BITS(&tptr[2 + i]) :
+ EXTRACT_32BITS(&tptr[2 + i]));
}
TCHECK(tptr[0]);
printf("%s", tok2strbuf(bgp_as_path_segment_close_values,
"?", tptr[0],
tokbuf, sizeof(tokbuf)));
TCHECK(tptr[1]);
- tptr += 2 + tptr[1] * 2;
+ tptr += 2 + tptr[1] * as_size;
}
break;
case BGPTYPE_NEXT_HOP:
@@ -952,6 +1264,15 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
printf(" AS #%u, origin %s", EXTRACT_16BITS(tptr),
getname(tptr + 2));
break;
+ case BGPTYPE_AGGREGATOR4:
+ if (len != 8) {
+ printf("invalid len");
+ break;
+ }
+ TCHECK2(tptr[0], 8);
+ printf(" AS #%u, origin %s", EXTRACT_32BITS(tptr),
+ getname(tptr + 4));
+ break;
case BGPTYPE_COMMUNITIES:
if (len % 4) {
printf("invalid len");
@@ -1027,12 +1348,12 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
case (AFNUM_INET<<8 | SAFNUM_VPNUNICAST):
case (AFNUM_INET<<8 | SAFNUM_VPNMULTICAST):
case (AFNUM_INET<<8 | SAFNUM_VPNUNIMULTICAST):
+ case (AFNUM_INET<<8 | SAFNUM_MULTICAST_VPN):
#ifdef INET6
case (AFNUM_INET6<<8 | SAFNUM_UNICAST):
case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):
case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):
case (AFNUM_INET6<<8 | SAFNUM_LABUNICAST):
- case (AFNUM_INET6<<8 | SAFNUM_RT_ROUTING_INFO):
case (AFNUM_INET6<<8 | SAFNUM_VPNUNICAST):
case (AFNUM_INET6<<8 | SAFNUM_VPNMULTICAST):
case (AFNUM_INET6<<8 | SAFNUM_VPNUNIMULTICAST):
@@ -1073,6 +1394,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
case (AFNUM_INET<<8 | SAFNUM_UNIMULTICAST):
case (AFNUM_INET<<8 | SAFNUM_LABUNICAST):
case (AFNUM_INET<<8 | SAFNUM_RT_ROUTING_INFO):
+ case (AFNUM_INET<<8 | SAFNUM_MULTICAST_VPN):
if (tlen < (int)sizeof(struct in_addr)) {
printf("invalid len");
tlen = 0;
@@ -1103,7 +1425,6 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):
case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):
case (AFNUM_INET6<<8 | SAFNUM_LABUNICAST):
- case (AFNUM_INET6<<8 | SAFNUM_RT_ROUTING_INFO):
if (tlen < (int)sizeof(struct in6_addr)) {
printf("invalid len");
tlen = 0;
@@ -1248,6 +1569,16 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
else
printf("\n\t %s", buf);
break;
+ case (AFNUM_INET<<8 | SAFNUM_MULTICAST_VPN): /* fall through */
+ case (AFNUM_INET6<<8 | SAFNUM_MULTICAST_VPN):
+ advance = decode_multicast_vpn(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;
#ifdef INET6
case (AFNUM_INET6<<8 | SAFNUM_UNICAST):
case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):
@@ -1280,15 +1611,6 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
else
printf("\n\t %s", buf);
break;
- case (AFNUM_INET6<<8 | 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;
#endif
case (AFNUM_VPLS<<8 | SAFNUM_VPLS):
case (AFNUM_L2VPN<<8 | SAFNUM_VPNUNICAST):
@@ -1459,6 +1781,16 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
else
printf("\n\t %s", buf);
break;
+ case (AFNUM_INET<<8 | SAFNUM_MULTICAST_VPN): /* fall through */
+ case (AFNUM_INET6<<8 | SAFNUM_MULTICAST_VPN):
+ advance = decode_multicast_vpn(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("no AFI %u / SAFI %u decoder",af,safi);
@@ -1495,12 +1827,14 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
switch(extd_comm) {
case BGP_EXT_COM_RT_0:
case BGP_EXT_COM_RO_0:
- printf(": %u:%s",
+ printf(": %u:%u (= %s)",
EXTRACT_16BITS(tptr+2),
+ EXTRACT_32BITS(tptr+4),
getname(tptr+4));
break;
case BGP_EXT_COM_RT_1:
case BGP_EXT_COM_RO_1:
+ case BGP_EXT_COM_VRF_RT_IMP:
printf(": %s:%u",
getname(tptr+2),
EXTRACT_16BITS(tptr+6));
@@ -1516,11 +1850,6 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
printf(": bandwidth: %.3f Mbps",
bw.f*8/1000000);
break;
- case BGP_EXT_COM_CISCO_MCAST:
- printf(": AS %u, group %s",
- EXTRACT_16BITS(tptr+2),
- getname(tptr+4));
- break;
case BGP_EXT_COM_VPN_ORIGIN:
case BGP_EXT_COM_VPN_ORIGIN2:
case BGP_EXT_COM_VPN_ORIGIN3:
@@ -1549,6 +1878,9 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
*(tptr+3),
EXTRACT_16BITS(tptr+4));
break;
+ case BGP_EXT_COM_SOURCE_AS:
+ printf(": AS %u", EXTRACT_16BITS(tptr+2));
+ break;
default:
TCHECK2(*tptr,8);
print_unknown_data(tptr,"\n\t ",8);
@@ -1559,6 +1891,64 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
}
break;
+ case BGPTYPE_PMSI_TUNNEL:
+ {
+ u_int8_t tunnel_type, flags;
+
+ tunnel_type = *(tptr+1);
+ flags = *tptr;
+ tlen = len;
+
+ TCHECK2(tptr[0], 5);
+ printf("\n\t Tunnel-type %s (%u), Flags [%s], MPLS Label %u",
+ tok2str(bgp_pmsi_tunnel_values, "Unknown", tunnel_type),
+ tunnel_type,
+ bittok2str(bgp_pmsi_flag_values, "none", flags),
+ EXTRACT_24BITS(tptr+2)>>4);
+
+ tptr +=5;
+ tlen -= 5;
+
+ switch (tunnel_type) {
+ case BGP_PMSI_TUNNEL_PIM_SM: /* fall through */
+ case BGP_PMSI_TUNNEL_PIM_BIDIR:
+ TCHECK2(tptr[0], 8);
+ printf("\n\t Sender %s, P-Group %s",
+ ipaddr_string(tptr),
+ ipaddr_string(tptr+4));
+ break;
+
+ case BGP_PMSI_TUNNEL_PIM_SSM:
+ TCHECK2(tptr[0], 8);
+ printf("\n\t Root-Node %s, P-Group %s",
+ ipaddr_string(tptr),
+ ipaddr_string(tptr+4));
+ break;
+ case BGP_PMSI_TUNNEL_INGRESS:
+ TCHECK2(tptr[0], 4);
+ printf("\n\t Tunnel-Endpoint %s",
+ ipaddr_string(tptr));
+ break;
+ case BGP_PMSI_TUNNEL_LDP_P2MP: /* fall through */
+ case BGP_PMSI_TUNNEL_LDP_MP2MP:
+ TCHECK2(tptr[0], 8);
+ printf("\n\t Root-Node %s, LSP-ID 0x%08x",
+ ipaddr_string(tptr),
+ EXTRACT_32BITS(tptr+4));
+ break;
+ case BGP_PMSI_TUNNEL_RSVP_P2MP:
+ TCHECK2(tptr[0], 8);
+ printf("\n\t Extended-Tunnel-ID %s, P2MP-ID 0x%08x",
+ ipaddr_string(tptr),
+ EXTRACT_32BITS(tptr+4));
+ break;
+ default:
+ if (vflag <= 1) {
+ print_unknown_data(tptr,"\n\t ",tlen);
+ }
+ }
+ break;
+ }
case BGPTYPE_ATTR_SET:
TCHECK2(tptr[0], 4);
printf("\n\t Origin AS: %u", EXTRACT_32BITS(tptr));
@@ -2077,3 +2467,10 @@ bgp_print(const u_char *dat, int length)
trunc:
printf(" [|BGP]");
}
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 4
+ * End:
+ */