/* basic parsing test */
static void
parse_test (struct test_segment *t)
{
struct aspath *asp;
printf ("%s: %s\n", t->name, t->desc);
asp = make_aspath (t->asdata, t->len, 0);
printf ("aspath: %s\nvalidating...:\n", aspath_print (asp));
if (!validate (asp, &t->sp))
printf (OK "\n");
else
printf (FAILED "\n");
printf ("\n");
aspath_unintern (asp);
}
/* Dump attribute. */
int
bgp_dump_attr (struct peer *peer, struct attr *attr, char *buf, size_t size)
{
if (! attr)
return 0;
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_NEXT_HOP)))
snprintf (buf, size, "nexthop %s", inet_ntoa (attr->nexthop));
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_ORIGIN)))
snprintf (buf + strlen (buf), size - strlen (buf), ", origin %s",
bgp_origin_str[attr->origin]);
#ifdef HAVE_IPV6
{
char addrbuf[BUFSIZ];
/* Add MP case. */
if (attr->mp_nexthop_len == 16 || attr->mp_nexthop_len == 32)
snprintf (buf + strlen (buf), size - strlen (buf), ", mp_nexthop %s",
inet_ntop (AF_INET6, &attr->mp_nexthop_global,
addrbuf, BUFSIZ));
if (attr->mp_nexthop_len == 32)
snprintf (buf + strlen (buf), size - strlen (buf), "(%s)",
inet_ntop (AF_INET6, &attr->mp_nexthop_local,
addrbuf, BUFSIZ));
}
#endif /* HAVE_IPV6 */
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_LOCAL_PREF)))
snprintf (buf + strlen (buf), size - strlen (buf), ", localpref %d",
attr->local_pref);
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC)))
snprintf (buf + strlen (buf), size - strlen (buf), ", metric %d",
attr->med);
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_COMMUNITIES)))
snprintf (buf + strlen (buf), size - strlen (buf), ", community %s",
community_str (attr->community));
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE)))
snprintf (buf + strlen (buf), size - strlen (buf), ", atomic-aggregate");
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_AGGREGATOR)))
snprintf (buf + strlen (buf), size - strlen (buf), ", aggregated by %d %s",
attr->aggregator_as, inet_ntoa (attr->aggregator_addr));
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_ORIGINATOR_ID)))
snprintf (buf + strlen (buf), size - strlen (buf), ", originator %s",
inet_ntoa (attr->originator_id));
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_CLUSTER_LIST)))
{
int i;
snprintf (buf + strlen (buf), size - strlen (buf), ", clusterlist");
for (i = 0; i < attr->cluster->length / 4; i++)
snprintf (buf + strlen (buf), size - strlen (buf), " %s",
inet_ntoa (attr->cluster->list[i]));
}
if (CHECK_FLAG (attr->flag, ATTR_FLAG_BIT (BGP_ATTR_AS_PATH)))
snprintf (buf + strlen (buf), size - strlen (buf), ", path %s",
aspath_print (attr->aspath));
if (strlen (buf) > 1)
return 1;
else
return 0;
}
/* validate the given aspath */
static int
validate (struct aspath *as, const struct test_spec *sp)
{
size_t bytes, bytes4;
int fails = 0;
const u_char *out;
static struct stream *s;
struct aspath *asinout, *asconfeddel, *asstr, *as4;
out = aspath_snmp_pathseg (as, &bytes);
asinout = make_aspath (out, bytes, 0);
/* Excercise AS4 parsing a bit, with a dogfood test */
if (!s)
s = stream_new (4096);
bytes4 = aspath_put (s, as, 1);
as4 = make_aspath (STREAM_DATA(s), bytes4, 1);
asstr = aspath_str2aspath (sp->shouldbe);
asconfeddel = aspath_delete_confed_seq (aspath_dup (asinout));
printf ("got: %s\n", aspath_print(as));
/* the parsed path should match the specified 'shouldbe' string.
* We should pass the "eat our own dog food" test, be able to output
* this path and then input it again. Ie the path resulting from:
*
* aspath_parse(aspath_put(as))
*
* should:
*
* - also match the specified 'shouldbe' value
* - hash to same value as original path
* - have same hops and confed counts as original, and as the
* the specified counts
*
* aspath_str2aspath() and shouldbe should match
*
* We do the same for:
*
* aspath_parse(aspath_put(as,USE32BIT))
*
* Confederation related tests:
* - aspath_delete_confed_seq(aspath) should match shouldbe_confed
* - aspath_delete_confed_seq should be idempotent.
*/
if (strcmp(aspath_print (as), sp->shouldbe)
/* hash validation */
|| (aspath_key_make (as) != aspath_key_make (asinout))
/* by string */
|| strcmp(aspath_print (asinout), sp->shouldbe)
/* By 4-byte parsing */
|| strcmp(aspath_print (as4), sp->shouldbe)
/* by various path counts */
|| (aspath_count_hops (as) != sp->hops)
|| (aspath_count_confeds (as) != sp->confeds)
|| (aspath_count_hops (asinout) != sp->hops)
|| (aspath_count_confeds (asinout) != sp->confeds))
{
failed++;
fails++;
printf ("shouldbe:\n%s\n", sp->shouldbe);
printf ("as4:\n%s\n", aspath_print (as4));
printf ("hash keys: in: %d out->in: %d\n",
aspath_key_make (as), aspath_key_make (asinout));
printf ("hops: %d, counted %d %d\n", sp->hops,
aspath_count_hops (as),
aspath_count_hops (asinout) );
printf ("confeds: %d, counted %d %d\n", sp->confeds,
aspath_count_confeds (as),
aspath_count_confeds (asinout));
printf ("out->in:\n%s\nbytes: ", aspath_print(asinout));
printbytes (out, bytes);
}
/* basic confed related tests */
if ((aspath_print (asconfeddel) == NULL
&& sp->shouldbe_delete_confed != NULL)
|| (aspath_print (asconfeddel) != NULL
&& sp->shouldbe_delete_confed == NULL)
|| strcmp(aspath_print (asconfeddel), sp->shouldbe_delete_confed)
/* delete_confed_seq should be idempotent */
|| (aspath_key_make (asconfeddel)
!= aspath_key_make (aspath_delete_confed_seq (asconfeddel))))
{
failed++;
fails++;
printf ("confed_del: %s\n", aspath_print (asconfeddel));
printf ("should be: %s\n", sp->shouldbe_delete_confed);
}
/* aspath_str2aspath test */
if ((aspath_print (asstr) == NULL && sp->shouldbe != NULL)
|| (aspath_print (asstr) != NULL && sp->shouldbe == NULL)
|| strcmp(aspath_print (asstr), sp->shouldbe))
{
failed++;
fails++;
printf ("asstr: %s\n", aspath_print (asstr));
}
/* loop, private and first as checks */
if ((sp->does_loop && aspath_loop_check (as, sp->does_loop) == 0)
|| (sp->doesnt_loop && aspath_loop_check (as, sp->doesnt_loop) != 0)
|| (aspath_private_as_check (as) != sp->private_as)
|| (aspath_firstas_check (as,sp->first)
&& sp->first == 0))
{
failed++;
fails++;
printf ("firstas: %d, got %d\n", sp->first,
aspath_firstas_check (as,sp->first));
printf ("loop does: %d %d, doesnt: %d %d\n",
sp->does_loop, aspath_loop_check (as, sp->does_loop),
sp->doesnt_loop, aspath_loop_check (as, sp->doesnt_loop));
printf ("private check: %d %d\n", sp->private_as,
aspath_private_as_check (as));
}
aspath_unintern (asinout);
aspath_unintern (as4);
aspath_free (asconfeddel);
aspath_free (asstr);
stream_reset (s);
return fails;
}
