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-rw-r--r--tests/bgp_mp_attr_test.c535
1 files changed, 535 insertions, 0 deletions
diff --git a/tests/bgp_mp_attr_test.c b/tests/bgp_mp_attr_test.c
new file mode 100644
index 00000000..dde0df2f
--- /dev/null
+++ b/tests/bgp_mp_attr_test.c
@@ -0,0 +1,535 @@
+#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-vpnv4",
+ "IPv4/VPNv4 MP Reach, RD, Nexthop, 3 NLRIs",
+ {
+ /* AFI / SAFI */ 0x0, AFI_IP, BGP_SAFI_VPNV4,
+ /* 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-vpnv4",
+ "IPv4/VPNv4 MP Unreach, RD, 3 NLRIs",
+ {
+ /* AFI / SAFI */ 0x0, AFI_IP, BGP_SAFI_VPNV4,
+ /* 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;
+#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 (peer, t->len, &attr, &nlri);
+ else
+ ret = bgp_mp_unreach_parse (peer, t->len, &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 ();
+
+ 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;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-25 07:48:57 +0000