#include <zebra.h>
#include "vty.h"
#include "stream.h"
#include "privs.h"
#include "memory.h"
#include "bgpd/bgpd.h"
#include "bgpd/bgp_attr.h"
#include "bgpd/bgp_open.h"
#include "bgpd/bgp_debug.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 u_char data[1024];
int len;
#define SHOULD_PARSE 0
#define SHOULD_ERR -1
int parses; /* whether it should parse or not */
/* AFI/SAFI validation */
afi_t afi;
safi_t safi;
#define VALID_AFI 1
#define INVALID_AFI 0
int afi_valid;
} 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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP, SAFI_UNICAST, VALID_AFI,
},
{ "IPv4-MLVPN",
"IPv4/MPLS-labeled VPN MP Reach, RD, Nexthop, 3 NLRIs",
{
/* AFI / SAFI */ 0x0, AFI_IP, SAFI_MPLS_LABELED_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 */
},
(4 + 12 + 1 + 3 + 4 + 1),
SHOULD_PARSE,
AFI_IP, SAFI_UNICAST, VALID_AFI,
},
/* 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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ 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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP6, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP, SAFI_UNICAST, VALID_AFI,
},
{ "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,
AFI_IP, SAFI_UNICAST, VALID_AFI,
},
{ "IPv4-unreach-MLVPN",
"IPv4/MPLS-labeled VPN MP Unreach, RD, 3 NLRIs",
{
/* AFI / SAFI */ 0x0, AFI_IP, SAFI_MPLS_LABELED_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 + 3 + 4 + 1),
SHOULD_PARSE,
AFI_IP, SAFI_UNICAST, VALID_AFI,
},
{ NULL, NULL, {0}, 0, 0}
};
/* basic parsing test */
static void
parse_test (struct peer *peer, struct test_segment *t, int type)
{
int ret;
int oldfailed = failed;
struct attr attr = { };
struct bgp_nlri nlri = { };
struct bgp_attr_parser_args attr_args = {
.peer = peer,
.length = t->len,
.total = 1,
.attr = &attr,
.type = BGP_ATTR_MP_REACH_NLRI,
.flags = BGP_ATTR_FLAG_OPTIONAL,
.startp = BGP_INPUT_PNT (peer),
};
#define RANDOM_FUZZ 35
stream_reset (peer->ibuf);
stream_put (peer->ibuf, NULL, RANDOM_FUZZ);
stream_set_getp (peer->ibuf, RANDOM_FUZZ);
stream_write (peer->ibuf, t->data, t->len);
printf ("%s: %s\n", t->name, t->desc);
if (type == BGP_ATTR_MP_REACH_NLRI)
ret = bgp_mp_reach_parse (&attr_args, &nlri);
else
ret = bgp_mp_unreach_parse (&attr_args, &nlri);
if (!ret)
{
safi_t safi = t->safi;
if (bgp_afi_safi_valid_indices (t->afi, &safi) != t->afi_valid)
failed++;
printf ("MP: %u/%u (%u): recv %u, nego %u\n",
t->afi, t->safi, safi,
peer->afc_recv[t->afi][safi],
peer->afc_nego[t->afi][safi]);
}
printf ("parsed?: %s\n", ret ? "no" : "yes");
if (ret != t->parses)
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");
}
static struct bgp *bgp;
static as_t asn = 100;
int
main (void)
{
struct peer *peer;
int i, j;
conf_bgp_debug_fsm = -1UL;
conf_bgp_debug_events = -1UL;
conf_bgp_debug_packet = -1UL;
conf_bgp_debug_normal = -1UL;
conf_bgp_debug_as4 = -1UL;
term_bgp_debug_fsm = -1UL;
term_bgp_debug_events = -1UL;
term_bgp_debug_packet = -1UL;
term_bgp_debug_normal = -1UL;
term_bgp_debug_as4 = -1UL;
master = thread_master_create ();
bgp_master_init ();
bgp_option_set (BGP_OPT_NO_LISTEN);
if (fileno (stdout) >= 0)
tty = isatty (fileno (stdout));
if (bgp_get (&bgp, &asn, NULL))
return -1;
peer = peer_create_accept (bgp);
peer->host = "foo";
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);
printf ("failures: %d\n", failed);
return failed;
}
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