/*
* Copyright (C) 2008 Sun Microsystems, Inc.
*
* This file is part of Quagga.
*
* Quagga is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* Quagga is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "qobj.h"
#include "vty.h"
#include "stream.h"
#include "privs.h"
#include "memory.h"
#include "queue.h"
#include "filter.h"
#include "bgpd/bgpd.h"
#include "bgpd/bgp_attr.h"
#include "bgpd/bgp_open.h"
#include "bgpd/bgp_debug.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_packet.h"
#include "bgpd/bgp_mplsvpn.h"
#include "bgpd/bgp_nexthop.h"
#include "bgpd/bgp_vty.h"
#define VT100_RESET "\x1b[0m"
#define VT100_RED "\x1b[31m"
#define VT100_GREEN "\x1b[32m"
#define VT100_YELLOW "\x1b[33m"
#define CAPABILITY 0
#define DYNCAP 1
#define OPT_PARAM 2
/* need these to link in libbgp */
struct zebra_privs_t *bgpd_privs = NULL;
struct thread_master *master = NULL;
static int failed = 0;
static int tty = 0;
/* test segments to parse and validate, and use for other tests */
static struct test_segment {
const char *name;
const char *desc;
const uint8_t data[1024];
int len;
#define SHOULD_PARSE 0
#define SHOULD_ERR -1
int parses; /* whether it should parse or not */
} mp_reach_segments[] = {
{
"IPv6",
"IPV6 MP Reach, global nexthop, 1 NLRI",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 16,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2,
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 32,
0xff,
0xfe,
0x1,
0x2, /* fffe:102::/32 */
},
(4 + 16 + 1 + 5),
SHOULD_PARSE,
},
{
"IPv6-2",
"IPV6 MP Reach, global nexthop, 2 NLRIs",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 16,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2, /* ffee:102:... */
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 32,
0xff,
0xfe,
0x1,
0x2, /* fffe:102::/32 */
64,
0xff,
0xfe,
0x0,
0x1, /* fffe:1:2:3::/64 */
0x0,
0x2,
0x0,
0x3,
},
(4 + 16 + 1 + 5 + 9),
SHOULD_PARSE,
},
{
"IPv6-default",
"IPV6 MP Reach, global nexthop, 2 NLRIs + default",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 16,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2,
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 32,
0xff,
0xfe,
0x1,
0x2, /* fffe:102::/32 */
64,
0xff,
0xfe,
0x0,
0x1, /* fffe:1:2:3::/64 */
0x0,
0x2,
0x0,
0x3,
0x0, /* ::/0 */
},
(4 + 16 + 1 + 5 + 9 + 1),
SHOULD_PARSE,
},
{
"IPv6-lnh",
"IPV6 MP Reach, global+local nexthops, 2 NLRIs + default",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 32,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2, /* fffe:102:... */
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
/* Nexthop (local) */ 0xfe,
0x80,
0x0,
0x0, /* fe80::210:2ff:.. */
0x0,
0x0,
0x0,
0x0,
0x2,
0x10,
0x2,
0xff,
0x1,
0x2,
0x3,
0x4,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 32,
0xff,
0xfe,
0x1,
0x2, /* fffe:102::/32 */
64,
0xff,
0xfe,
0x0,
0x1, /* fffe:1:2:3::/64 */
0x0,
0x2,
0x0,
0x3,
0x0, /* ::/0 */
},
(4 + 32 + 1 + 5 + 9 + 1),
SHOULD_PARSE,
},
{
"IPv6-nhlen",
"IPV6 MP Reach, inappropriate nexthop length",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 4,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2, /* fffe:102:... */
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
/* Nexthop (local) */ 0xfe,
0x80,
0x0,
0x0, /* fe80::210:2ff:.. */
0x0,
0x0,
0x0,
0x0,
0x2,
0x10,
0x2,
0xff,
0x1,
0x2,
0x3,
0x4,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 32,
0xff,
0xfe,
0x1,
0x2, /* fffe:102::/32 */
64,
0xff,
0xfe,
0x0,
0x1, /* fffe:1:2:3::/64 */
0x0,
0x2,
0x0,
0x3,
0x0, /* ::/0 */
},
(4 + 32 + 1 + 5 + 9 + 1),
SHOULD_ERR,
},
{
"IPv6-nhlen2",
"IPV6 MP Reach, invalid nexthop length",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 5,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2, /* fffe:102:... */
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
/* Nexthop (local) */ 0xfe,
0x80,
0x0,
0x0, /* fe80::210:2ff:.. */
0x0,
0x0,
0x0,
0x0,
0x2,
0x10,
0x2,
0xff,
0x1,
0x2,
0x3,
0x4,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 32,
0xff,
0xfe,
0x1,
0x2, /* fffe:102::/32 */
64,
0xff,
0xfe,
0x0,
0x1, /* fffe:1:2:3::/64 */
0x0,
0x2,
0x0,
0x3,
0x0, /* ::/0 */
},
(4 + 32 + 1 + 5 + 9 + 1),
SHOULD_ERR,
},
{
"IPv6-nhlen3",
"IPV6 MP Reach, nexthop length overflow",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 32,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2, /* fffe:102:... */
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
},
(4 + 16),
SHOULD_ERR,
},
{
"IPv6-nhlen4",
"IPV6 MP Reach, nexthop length short",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 16,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2, /* fffe:102:... */
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
/* Nexthop (local) */ 0xfe,
0x80,
0x0,
0x0, /* fe80::210:2ff:.. */
0x0,
0x0,
0x0,
0x0,
0x2,
0x10,
0x2,
0xff,
0x1,
0x2,
0x3,
0x4,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 32,
0xff,
0xfe,
0x1,
0x2, /* fffe:102::/32 */
64,
0xff,
0xfe,
0x0,
0x1, /* fffe:1:2:3::/64 */
0x0,
0x2,
0x0,
0x3,
0x0, /* ::/0 */
},
(4 + 32 + 1 + 5 + 9 + 1),
SHOULD_ERR,
},
{
"IPv6-nlri",
"IPV6 MP Reach, NLRI bitlen overflow",
{
/* AFI / SAFI */ 0x0,
AFI_IP6,
SAFI_UNICAST,
/* nexthop bytes */ 32,
/* Nexthop (global) */ 0xff,
0xfe,
0x1,
0x2, /* fffe:102:... */
0xaa,
0xbb,
0xcc,
0xdd,
0x3,
0x4,
0x5,
0x6,
0xa1,
0xa2,
0xa3,
0xa4,
/* Nexthop (local) */ 0xfe,
0x80,
0x0,
0x0, /* fe80::210:2ff:.. */
0x0,
0x0,
0x0,
0x0,
0x2,
0x10,
0x2,
0xff,
0x1,
0x2,
0x3,
0x4,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 120,
0xff,
0xfe,
0x1,
0x2, /* fffe:102::/32 */
64,
0xff,
0xfe,
0x0,
0x1, /* fffe:1:2:3::/64 */
0x0,
0x2,
0x0,
0x3,
0, /* ::/0 */
},
(4 + 32 + 1 + 5 + 9 + 1),
SHOULD_ERR,
},
{
"IPv4",
"IPv4 MP Reach, 2 NLRIs + default",
{
/* AFI / SAFI */ 0x0, AFI_IP, SAFI_UNICAST,
/* nexthop bytes */ 4,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 16, 10, 1, /* 10.1/16 */
17, 10, 2, 3, /* 10.2.3/17 */
0, /* 0/0 */
},
(4 + 4 + 1 + 3 + 4 + 1),
SHOULD_PARSE,
},
{
"IPv4-nhlen",
"IPv4 MP Reach, nexthop lenth overflow",
{
/* AFI / SAFI */ 0x0, AFI_IP, SAFI_UNICAST,
/* nexthop bytes */ 32,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 16, 10, 1, /* 10.1/16 */
17, 10, 2, 3, /* 10.2.3/17 */
0, /* 0/0 */
},
(4 + 4 + 1 + 3 + 4 + 1),
SHOULD_ERR,
},
{
"IPv4-nlrilen",
"IPv4 MP Reach, nlri lenth overflow",
{
/* AFI / SAFI */ 0x0, AFI_IP, SAFI_UNICAST,
/* nexthop bytes */ 4,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 16, 10, 1, /* 10.1/16 */
30, 10, 0, /* 0/0 */
},
(4 + 4 + 1 + 3 + 2 + 1),
SHOULD_ERR,
},
{
"IPv4-VPNv4",
"IPv4/VPNv4 MP Reach, RD, Nexthop, 2 NLRIs",
{
/* AFI / SAFI */ 0x0, AFI_IP, IANA_SAFI_MPLS_VPN,
/* nexthop bytes */ 12,
/* RD */ 0, 0, 0, 0, /* RD defined to be 0 */
0, 0, 0, 0,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 88 + 16, 0, 1, 2, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_AS */
0, 2, 0, 0xff, 3, 4, /* AS(2):val(4) */
10, 1, /* 10.1/16 */
88 + 17, 0xff, 0, 0, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_IP */
192, 168, 0, 1, /* IPv4 */
10, 2, 3, /* 10.2.3/17 */
},
(4 + 12 + 1 + (1 + 3 + 8 + 2) + (1 + 3 + 8 + 3)),
SHOULD_PARSE,
},
{
"IPv4-VPNv4-bogus-plen",
"IPv4/MPLS-labeled VPN MP Reach, RD, Nexthop, NLRI / bogus p'len",
{
/* AFI / SAFI */ 0x0,
AFI_IP,
IANA_SAFI_MPLS_VPN,
/* nexthop bytes */ 12,
/* RD */ 0,
0,
1,
2,
0,
0xff,
3,
4,
/* Nexthop */ 192,
168,
0,
1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 16,
10,
1, /* 10.1/16 */
17,
10,
2,
3, /* 10.2.3/17 */
0, /* 0/0 */
},
(3 + 1 + 3 * 4 + 1 + 3 + 4 + 1),
SHOULD_ERR,
},
{
"IPv4-VPNv4-plen1-short",
"IPv4/VPNv4 MP Reach, RD, Nexthop, 2 NLRIs, 1st plen short",
{
/* AFI / SAFI */ 0x0, AFI_IP, IANA_SAFI_MPLS_VPN,
/* nexthop bytes */ 12,
/* RD */ 0, 0, 0, 0, /* RD defined to be 0 */
0, 0, 0, 0,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 88 + 1, 0, 1, 2, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_AS */
0, 2, 0, 0xff, 3, 4, /* AS(2):val(4) */
10, 1, /* 10.1/16 */
88 + 17, 0xff, 0, 0, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_IP */
192, 168, 0, 1, /* IPv4 */
10, 2, 3, /* 10.2.3/17 */
},
(4 + 12 + 1 + (1 + 3 + 8 + 2) + (1 + 3 + 8 + 3)),
SHOULD_ERR,
},
{
"IPv4-VPNv4-plen1-long",
"IPv4/VPNv4 MP Reach, RD, Nexthop, 2 NLRIs, 1st plen long",
{
/* AFI / SAFI */ 0x0, AFI_IP, IANA_SAFI_MPLS_VPN,
/* nexthop bytes */ 12,
/* RD */ 0, 0, 0, 0, /* RD defined to be 0 */
0, 0, 0, 0,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 88 + 32, 0, 1, 2, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_AS */
0, 2, 0, 0xff, 3, 4, /* AS(2):val(4) */
10, 1, /* 10.1/16 */
88 + 17, 0xff, 0, 0, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_IP */
192, 168, 0, 1, /* IPv4 */
10, 2, 3, /* 10.2.3/17 */
},
(4 + 12 + 1 + (1 + 3 + 8 + 2) + (1 + 3 + 8 + 3)),
SHOULD_ERR,
},
{
"IPv4-VPNv4-plenn-long",
"IPv4/VPNv4 MP Reach, RD, Nexthop, 3 NLRIs, last plen long",
{
/* AFI / SAFI */ 0x0, AFI_IP, IANA_SAFI_MPLS_VPN,
/* nexthop bytes */ 12,
/* RD */ 0, 0, 0, 0, /* RD defined to be 0 */
0, 0, 0, 0,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 88 + 16, 0, 1, 2, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_AS */
0, 2, 0, 0xff, 3, 4, /* AS(2):val(4) */
10, 1, /* 10.1/16 */
88 + 17, 0xff, 0, 0, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_IP */
192, 168, 0, 1, /* IPv4 */
10, 2, 3, /* 10.2.3/17 */
88 + 1, /* bogus */
},
(4 + 12 + 1 + (1 + 3 + 8 + 2) + (1 + 3 + 8 + 3) + 1),
SHOULD_ERR,
},
{
"IPv4-VPNv4-plenn-short",
"IPv4/VPNv4 MP Reach, RD, Nexthop, 2 NLRIs, last plen short",
{
/* AFI / SAFI */ 0x0, AFI_IP, IANA_SAFI_MPLS_VPN,
/* nexthop bytes */ 12,
/* RD */ 0, 0, 0, 0, /* RD defined to be 0 */
0, 0, 0, 0,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 88 + 16, 0, 1, 2, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_AS */
0, 2, 0, 0xff, 3, 4, /* AS(2):val(4) */
10, 1, /* 10.1/16 */
88 + 2, 0xff, 0, 0, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_IP */
192, 168, 0, 1, /* IPv4 */
10, 2, 3, /* 10.2.3/17 */
},
(4 + 12 + 1 + (1 + 3 + 8 + 2) + (1 + 3 + 8 + 3)),
SHOULD_ERR,
},
{
"IPv4-VPNv4-bogus-rd-type",
"IPv4/VPNv4 MP Reach, RD, NH, 2 NLRI, unknown RD in 1st (log, but parse)",
{
/* AFI / SAFI */ 0x0, AFI_IP, IANA_SAFI_MPLS_VPN,
/* nexthop bytes */ 12,
/* RD */ 0, 0, 0, 0, /* RD defined to be 0 */
0, 0, 0, 0,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 88 + 16, 0, 1, 2, /* tag */
/* rd, 8 octets */
0xff, 0, /* Bogus RD */
0, 2, 0, 0xff, 3, 4, /* AS(2):val(4) */
10, 1, /* 10.1/16 */
88 + 17, 0xff, 0, 0, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_IP */
192, 168, 0, 1, /* IPv4 */
10, 2, 3, /* 10.2.3/17 */
},
(4 + 12 + 1 + (1 + 3 + 8 + 2) + (1 + 3 + 8 + 3)),
SHOULD_PARSE,
},
{
"IPv4-VPNv4-0-nlri",
"IPv4/VPNv4 MP Reach, RD, Nexthop, 3 NLRI, 3rd 0 bogus",
{
/* AFI / SAFI */ 0x0, AFI_IP, IANA_SAFI_MPLS_VPN,
/* nexthop bytes */ 12,
/* RD */ 0, 0, 0, 0, /* RD defined to be 0 */
0, 0, 0, 0,
/* Nexthop */ 192, 168, 0, 1,
/* SNPA (defunct, MBZ) */ 0x0,
/* NLRI tuples */ 88 + 16, 0, 1, 2, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_AS */
0, 2, 0, 0xff, 3, 4, /* AS(2):val(4) */
10, 1, /* 10.1/16 */
88 + 17, 0xff, 0, 0, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_IP */
192, 168, 0, 1, /* IPv4 */
10, 2, 3, /* 10.2.3/17 */
0 /* 0/0, bogus for vpnv4 ?? */
},
(4 + 12 + 1 + (1 + 3 + 8 + 2) + (1 + 3 + 8 + 3) + 1),
SHOULD_ERR,
},
/* From bug #385 */
{
"IPv6-bug",
"IPv6, global nexthop, 1 default NLRI",
{
/* AFI / SAFI */ 0x0,
0x2,
0x1,
/* nexthop bytes */ 0x20,
/* Nexthop (global) */ 0x20,
0x01,
0x04,
0x70,
0x00,
0x01,
0x00,
0x06,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x01,
/* Nexthop (local) */ 0xfe,
0x80,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x02,
0x0c,
0xdb,
0xff,
0xfe,
0xfe,
0xeb,
0x00,
/* SNPA (defunct, MBZ) */ 0,
/* NLRI tuples */ /* Should have 0 here for ::/0, but
dont */
},
37,
SHOULD_ERR,
},
{
.name = "IPv4",
.desc = "IPV4 MP Reach, flowspec, 1 NLRI",
.data = {
/* AFI / SAFI */ 0x0,
AFI_IP,
IANA_SAFI_FLOWSPEC,
0x00, /* no NH */
0x00,
0x06, /* FS Length */
0x01, /* FS dest prefix ID */
0x1e, /* IP */
0x1e,
0x28,
0x28,
0x0
},
.len = 12,
.parses = SHOULD_PARSE,
},
{NULL, NULL, {0}, 0, 0}};
/* MP_UNREACH_NLRI tests */
static struct test_segment mp_unreach_segments[] = {
{
"IPv6-unreach",
"IPV6 MP Unreach, 1 NLRI",
{
/* AFI / SAFI */ 0x0, AFI_IP6, SAFI_UNICAST,
/* NLRI tuples */ 32, 0xff, 0xfe, 0x1,
0x2, /* fffe:102::/32 */
},
(3 + 5),
SHOULD_PARSE,
},
{
"IPv6-unreach2",
"IPV6 MP Unreach, 2 NLRIs",
{
/* AFI / SAFI */ 0x0, AFI_IP6, SAFI_UNICAST,
/* NLRI tuples */ 32, 0xff, 0xfe, 0x1,
0x2, /* fffe:102::/32 */
64, 0xff, 0xfe, 0x0, 0x1, /* fffe:1:2:3::/64 */
0x0, 0x2, 0x0, 0x3,
},
(3 + 5 + 9),
SHOULD_PARSE,
},
{
"IPv6-unreach-default",
"IPV6 MP Unreach, 2 NLRIs + default",
{
/* AFI / SAFI */ 0x0, AFI_IP6, SAFI_UNICAST,
/* NLRI tuples */ 32, 0xff, 0xfe, 0x1,
0x2, /* fffe:102::/32 */
64, 0xff, 0xfe, 0x0, 0x1, /* fffe:1:2:3::/64 */
0x0, 0x2, 0x0, 0x3, 0x0, /* ::/0 */
},
(3 + 5 + 9 + 1),
SHOULD_PARSE,
},
{
"IPv6-unreach-nlri",
"IPV6 MP Unreach, NLRI bitlen overflow",
{
/* AFI / SAFI */ 0x0, AFI_IP6, SAFI_UNICAST,
/* NLRI tuples */ 120, 0xff, 0xfe, 0x1,
0x2, /* fffe:102::/32 */
64, 0xff, 0xfe, 0x0, 0x1, /* fffe:1:2:3::/64 */
0x0, 0x2, 0x0, 0x3, 0, /* ::/0 */
},
(3 + 5 + 9 + 1),
SHOULD_ERR,
},
{
"IPv4-unreach",
"IPv4 MP Unreach, 2 NLRIs + default",
{
/* AFI / SAFI */ 0x0, AFI_IP, SAFI_UNICAST,
/* NLRI tuples */ 16, 10, 1, /* 10.1/16 */
17, 10, 2, 3, /* 10.2.3/17 */
0, /* 0/0 */
},
(3 + 3 + 4 + 1),
SHOULD_PARSE,
},
{
"IPv4-unreach-nlrilen",
"IPv4 MP Unreach, nlri length overflow",
{
/* AFI / SAFI */ 0x0, AFI_IP, SAFI_UNICAST,
/* NLRI tuples */ 16, 10, 1, /* 10.1/16 */
30, 10, 0, /* 0/0 */
},
(3 + 3 + 2 + 1),
SHOULD_ERR,
},
{
"IPv4-unreach-VPNv4",
"IPv4/MPLS-labeled VPN MP Unreach, RD, 3 NLRIs",
{
/* AFI / SAFI */ 0x0, AFI_IP, IANA_SAFI_MPLS_VPN,
/* NLRI tuples */ 88 + 16, 0, 1, 2, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_AS */
0, 2, 0, 0xff, 3, 4, /* AS(2):val(4) */
10, 1, /* 10.1/16 */
88 + 17, 0xff, 0, 0, /* tag */
/* rd, 8 octets */
0, 0, /* RD_TYPE_IP */
192, 168, 0, 1, /* IPv4 */
10, 2, 3, /* 10.2.3/17 */
},
(3 + (1 + 3 + 8 + 2) + (1 + 3 + 8 + 3)),
SHOULD_PARSE,
},
{
.name = "IPv4",
.desc = "IPV4 MP Unreach, flowspec, 1 NLRI",
.data = {
/* AFI / SAFI */ 0x0,
AFI_IP,
IANA_SAFI_FLOWSPEC,
0x06, /* FS Length */
0x01, /* FS dest prefix ID */
0x1e, /* IP */
0x1e,
0x28,
0x28,
0x0
},
.len = 10,
.parses = SHOULD_PARSE,
},
{NULL, NULL, {0}, 0, 0}};
static struct test_segment mp_prefix_sid[] = {
{
"PREFIX-SID",
"PREFIX-SID Test 1",
{
0x01, 0x00, 0x07,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02,
0x03, 0x00, 0x08, 0x00,
0x00, 0x0a, 0x1b, 0xfe,
0x00, 0x00, 0x0a
},
.len = 21,
.parses = SHOULD_PARSE,
},
{NULL, NULL, { 0 }, 0, 0},
};
/* nlri_parse indicates 0 on successful parse, and -1 otherwise.
* attr_parse indicates BGP_ATTR_PARSE_PROCEED/0 on success,
* and BGP_ATTR_PARSE_ERROR/-1 or lower negative ret on err.
*/
static void handle_result(struct peer *peer, struct test_segment *t,
int parse_ret, int nlri_ret)
{
int oldfailed = failed;
printf("mp attr parsed?: %s\n", parse_ret ? "no" : "yes");
if (!parse_ret)
printf("nrli parsed?: %s\n", nlri_ret ? "no" : "yes");
printf("should parse?: %s\n", t->parses ? "no" : "yes");
if ((parse_ret != 0 || nlri_ret != 0) != (t->parses != 0))
failed++;
if (tty)
printf("%s",
(failed > oldfailed) ? VT100_RED "failed!" VT100_RESET
: VT100_GREEN "OK" VT100_RESET);
else
printf("%s", (failed > oldfailed) ? "failed!" : "OK");
if (failed)
printf(" (%u)", failed);
printf("\n\n");
}
/* basic parsing test */
static void parse_test(struct peer *peer, struct test_segment *t, int type)
{
int parse_ret = 0, nlri_ret = 0;
struct attr attr = {};
struct bgp_nlri nlri = {};
struct bgp_attr_parser_args attr_args = {
.peer = peer,
.length = t->len,
.total = 1,
.attr = &attr,
.type = type,
.flags = BGP_ATTR_FLAG_OPTIONAL,
.startp = BGP_INPUT_PNT(peer),
};
#define RANDOM_FUZZ 35
stream_reset(peer->curr);
stream_put(peer->curr, NULL, RANDOM_FUZZ);
stream_set_getp(peer->curr, RANDOM_FUZZ);
stream_write(peer->curr, t->data, t->len);
printf("%s: %s\n", t->name, t->desc);
switch (type) {
case BGP_ATTR_MP_REACH_NLRI:
parse_ret = bgp_mp_reach_parse(&attr_args, &nlri);
break;
case BGP_ATTR_MP_UNREACH_NLRI:
parse_ret = bgp_mp_unreach_parse(&attr_args, &nlri);
break;
case BGP_ATTR_PREFIX_SID:
parse_ret = bgp_attr_prefix_sid(t->len, &attr_args, &nlri);
break;
default:
printf("unknown type");
return;
}
if (!parse_ret) {
iana_afi_t pkt_afi;
iana_safi_t pkt_safi;
/* Convert AFI, SAFI to internal values, check. */
if (bgp_map_afi_safi_int2iana(nlri.afi, nlri.safi, &pkt_afi,
&pkt_safi))
assert(0);
printf("MP: %u(%u)/%u(%u): recv %u, nego %u\n", nlri.afi,
pkt_afi, nlri.safi, pkt_safi,
peer->afc_recv[nlri.afi][nlri.safi],
peer->afc_nego[nlri.afi][nlri.safi]);
}
if (!parse_ret) {
if (type == BGP_ATTR_MP_REACH_NLRI)
nlri_ret = bgp_nlri_parse(peer, &attr, &nlri, 0);
else if (type == BGP_ATTR_MP_UNREACH_NLRI)
nlri_ret = bgp_nlri_parse(peer, &attr, &nlri, 1);
}
handle_result(peer, t, parse_ret, nlri_ret);
}
static struct bgp *bgp;
static as_t asn = 100;
int main(void)
{
struct interface ifp;
struct peer *peer;
int i, j;
conf_bgp_debug_neighbor_events = -1UL;
conf_bgp_debug_packet = -1UL;
conf_bgp_debug_as4 = -1UL;
conf_bgp_debug_flowspec = -1UL;
term_bgp_debug_neighbor_events = -1UL;
term_bgp_debug_packet = -1UL;
term_bgp_debug_as4 = -1UL;
term_bgp_debug_flowspec = -1UL;
qobj_init();
cmd_init(0);
bgp_vty_init();
master = thread_master_create("test mp attr");
bgp_master_init(master);
vrf_init(NULL, NULL, NULL, NULL, NULL);
bgp_option_set(BGP_OPT_NO_LISTEN);
bgp_attr_init();
if (fileno(stdout) >= 0)
tty = isatty(fileno(stdout));
if (bgp_get(&bgp, &asn, NULL, BGP_INSTANCE_TYPE_DEFAULT))
return -1;
peer = peer_create_accept(bgp);
peer->host = (char *)"foo";
peer->status = Established;
peer->curr = stream_new(BGP_MAX_PACKET_SIZE);
ifp.ifindex = 0;
peer->nexthop.ifp = &ifp;
for (i = AFI_IP; i < AFI_MAX; i++)
for (j = SAFI_UNICAST; j < SAFI_MAX; j++) {
peer->afc[i][j] = 1;
peer->afc_adv[i][j] = 1;
}
i = 0;
while (mp_reach_segments[i].name)
parse_test(peer, &mp_reach_segments[i++],
BGP_ATTR_MP_REACH_NLRI);
i = 0;
while (mp_unreach_segments[i].name)
parse_test(peer, &mp_unreach_segments[i++],
BGP_ATTR_MP_UNREACH_NLRI);
i = 0;
while (mp_prefix_sid[i].name)
parse_test(peer, &mp_prefix_sid[i++],
BGP_ATTR_PREFIX_SID);
printf("failures: %d\n", failed);
return failed;
}