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-rw-r--r--tests/bgp_capability_test.c457
1 files changed, 457 insertions, 0 deletions
diff --git a/tests/bgp_capability_test.c b/tests/bgp_capability_test.c
new file mode 100644
index 00000000..5595ecff
--- /dev/null
+++ b/tests/bgp_capability_test.c
@@ -0,0 +1,457 @@
+#include <zebra.h>
+
+#include "vty.h"
+#include "stream.h"
+#include "privs.h"
+#include "memory.h"
+
+#include "bgpd/bgpd.h"
+#include "bgpd/bgp_open.h"
+#include "bgpd/bgp_debug.h"
+
+#define OPEN 0
+#define DYNCAP 1
+
+/* need these to link in libbgp */
+struct zebra_privs_t *bgpd_privs = NULL;
+struct thread_master *master = NULL;
+
+static int failed = 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 */
+} test_segments [] =
+{
+ /* 0 */
+ { "caphdr",
+ "capability header, and no more",
+ { CAPABILITY_CODE_REFRESH, 0x0 },
+ 2, SHOULD_PARSE,
+ },
+ /* 1 */
+ { "nodata",
+ "header, no data but length says there is",
+ { 0x1, 0xa },
+ 2, SHOULD_ERR,
+ },
+ /* 2 */
+ { "padded",
+ "valid, with padding",
+ { CAPABILITY_CODE_REFRESH, 0x2, 0x0, 0x0 },
+ 4, SHOULD_PARSE,
+ },
+ /* 3 */
+ { "minsize",
+ "violates minsize requirement",
+ { CAPABILITY_CODE_ORF, 0x2, 0x0, 0x0 },
+ 4, SHOULD_ERR,
+ },
+ /* 4 */
+ { "MP1",
+ "MP IP/Uni",
+ { 0x1, 0x4, 0x0, 0x1, 0x0, 0x1 },
+ 6, SHOULD_PARSE,
+ },
+ /* 5 */
+ { "MP2",
+ "MP IP/Multicast",
+ { CAPABILITY_CODE_MP, 0x4, 0x0, 0x1, 0x0, 0x2 },
+ 6, SHOULD_PARSE,
+ },
+ /* 6 */
+ { "MP3",
+ "MP IP6/VPNv4",
+ { CAPABILITY_CODE_MP, 0x4, 0x0, 0x2, 0x0, 0x80 },
+ 6, SHOULD_PARSE, /* parses, but invalid afi,safi */
+ },
+ /* 7 */
+ { "MP5",
+ "MP IP6/MPLS-VPN",
+ { CAPABILITY_CODE_MP, 0x4, 0x0, 0x2, 0x0, 0x4 },
+ 6, SHOULD_PARSE,
+ },
+ /* 8 */
+ { "MP6",
+ "MP IP4/VPNv4",
+ { CAPABILITY_CODE_MP, 0x4, 0x0, 0x1, 0x0, 0x80 },
+ 6, SHOULD_PARSE,
+ },
+ /* 9 */
+ { "MP7",
+ "MP IP4/VPNv6",
+ { CAPABILITY_CODE_MP, 0x4, 0x0, 0x1, 0x0, 0x81 },
+ 6, SHOULD_PARSE, /* parses, but invalid afi,safi tuple! - manually inspect */
+ },
+ /* 10 */
+ { "MP8",
+ "MP unknown AFI",
+ { CAPABILITY_CODE_MP, 0x4, 0x0, 0xa, 0x0, 0x81 },
+ 6, SHOULD_PARSE, /* parses, but unknown */
+ },
+ /* 11 */
+ { "MP-short",
+ "MP IP4/Unicast, length too short (< minimum)",
+ { CAPABILITY_CODE_MP, 0x2, 0x0, 0x1, 0x0, 0x1 },
+ 6, SHOULD_ERR,
+ },
+ /* 12 */
+ { "MP-overflow",
+ "MP IP4/Unicast, length too long",
+ { CAPABILITY_CODE_MP, 0x6, 0x0, 0x1, 0x0, 0x1 },
+ 6, SHOULD_ERR,
+ },
+ /* 13 */
+ { "ORF",
+ "ORF, simple, single entry, single tuple",
+ { /* hdr */ CAPABILITY_CODE_ORF, 0x7,
+ /* mpc */ 0x0, 0x1, 0x0, 0x1,
+ /* num */ 0x1,
+ /* tuples */ 0x40, 0x3
+ },
+ 9, SHOULD_PARSE,
+ },
+ /* 14 */
+ { "ORF-many",
+ "ORF, multi entry/tuple",
+ { /* hdr */ CAPABILITY_CODE_ORF, 0x21,
+ /* mpc */ 0x0, 0x1, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, ORF_MODE_BOTH,
+ 0x80, ORF_MODE_RECEIVE,
+ 0x80, ORF_MODE_SEND,
+ /* mpc */ 0x0, 0x2, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, ORF_MODE_BOTH,
+ 0x80, ORF_MODE_RECEIVE,
+ 0x80, ORF_MODE_SEND,
+ /* mpc */ 0x0, 0x2, 0x0, 0x2,
+ /* num */ 0x3,
+ /* tuples */ 0x40, ORF_MODE_RECEIVE,
+ 0x80, ORF_MODE_SEND,
+ 0x80, ORF_MODE_BOTH,
+ },
+ 35, SHOULD_PARSE,
+ },
+ /* 15 */
+ { "ORFlo",
+ "ORF, multi entry/tuple, hdr length too short",
+ { /* hdr */ CAPABILITY_CODE_ORF, 0x15,
+ /* mpc */ 0x0, 0x1, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x1, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x2,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ },
+ 35, SHOULD_ERR, /* It should error on invalid Route-Refresh.. */
+ },
+ /* 16 */
+ { "ORFlu",
+ "ORF, multi entry/tuple, length too long",
+ { /* hdr */ 0x3, 0x22,
+ /* mpc */ 0x0, 0x1, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x2,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ },
+ 35, SHOULD_ERR
+ },
+ /* 17 */
+ { "ORFnu",
+ "ORF, multi entry/tuple, entry number too long",
+ { /* hdr */ 0x3, 0x21,
+ /* mpc */ 0x0, 0x1, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x1,
+ /* num */ 0x4,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x2,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ },
+ 35, SHOULD_PARSE, /* parses, but last few tuples should be gibberish */
+ },
+ /* 18 */
+ { "ORFno",
+ "ORF, multi entry/tuple, entry number too short",
+ { /* hdr */ 0x3, 0x21,
+ /* mpc */ 0x0, 0x1, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x1,
+ /* num */ 0x1,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x2,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ },
+ 35, SHOULD_PARSE, /* Parses, but should get gibberish afi/safis */
+ },
+ /* 17 */
+ { "ORFpad",
+ "ORF, multi entry/tuple, padded to align",
+ { /* hdr */ 0x3, 0x22,
+ /* mpc */ 0x0, 0x1, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x1,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ /* mpc */ 0x0, 0x2, 0x0, 0x2,
+ /* num */ 0x3,
+ /* tuples */ 0x40, 0x3,
+ 0x80, 0x1,
+ 0x80, 0x2,
+ 0x00,
+ },
+ 36, SHOULD_PARSE,
+ },
+ /* 19 */
+ { "AS4",
+ "AS4 capability",
+ { 0x41, 0x4, 0xab, 0xcd, 0xef, 0x12 },
+ 6, SHOULD_PARSE,
+ },
+ /* 20 */
+ { "GR",
+ "GR capability",
+ { /* hdr */ CAPABILITY_CODE_RESTART, 0xe,
+ /* R-bit, time */ 0xf1, 0x12,
+ /* afi */ 0x0, 0x1,
+ /* safi */ 0x1,
+ /* flags */ 0xf,
+ /* afi */ 0x0, 0x2,
+ /* safi */ 0x1,
+ /* flags */ 0x0,
+ /* afi */ 0x0, 0x2,
+ /* safi */ 0x2,
+ /* flags */ 0x1,
+ },
+ 16, SHOULD_PARSE,
+ },
+ /* 21 */
+ { "GR-short",
+ "GR capability, but header length too short",
+ { /* hdr */ 0x40, 0xa,
+ /* R-bit, time */ 0xf1, 0x12,
+ /* afi */ 0x0, 0x1,
+ /* safi */ 0x1,
+ /* flags */ 0xf,
+ /* afi */ 0x0, 0x2,
+ /* safi */ 0x1,
+ /* flags */ 0x0,
+ /* afi */ 0x0, 0x2,
+ /* safi */ 0x2,
+ /* flags */ 0x1,
+ },
+ 16, SHOULD_PARSE,
+ },
+ /* 22 */
+ { "GR-long",
+ "GR capability, but header length too long",
+ { /* hdr */ 0x40, 0xf,
+ /* R-bit, time */ 0xf1, 0x12,
+ /* afi */ 0x0, 0x1,
+ /* safi */ 0x1,
+ /* flags */ 0xf,
+ /* afi */ 0x0, 0x2,
+ /* safi */ 0x1,
+ /* flags */ 0x0,
+ /* afi */ 0x0, 0x2,
+ /* safi */ 0x2,
+ },
+ 16, SHOULD_ERR,
+ },
+ { "GR-trunc",
+ "GR capability, but truncated",
+ { /* hdr */ 0x40, 0xf,
+ /* R-bit, time */ 0xf1, 0x12,
+ /* afi */ 0x0, 0x1,
+ /* safi */ 0x1,
+ /* flags */ 0xf,
+ /* afi */ 0x0, 0x2,
+ /* safi */ 0x1,
+ /* flags */ 0x0,
+ /* afi */ 0x0, 0x2,
+ /* safi */ 0x2,
+ /* flags */ 0x1,
+ },
+ 15, SHOULD_ERR,
+ },
+ { "dyn-old",
+ "Dynamic capability (deprecated version)",
+ { CAPABILITY_CODE_DYNAMIC, 0x0 },
+ 2, SHOULD_PARSE,
+ },
+ { NULL, NULL, {0}, 0, 0}
+};
+
+
+struct test_segment dynamic_cap_msgs[] =
+{
+ { "DynCap",
+ "Dynamic Capability Message, IP/Multicast",
+ { 0x0, 0x1, 0x4, 0x0, 0x1, 0x0, 0x2 },
+ 7, SHOULD_PARSE, /* horrible alignment, just as with ORF */
+ },
+ { "DynCapLong",
+ "Dynamic Capability Message, IP/Multicast, truncated",
+ { 0x0, 0x1, 0x4, 0x0, 0x1, 0x0, 0x2 },
+ 5, SHOULD_ERR,
+ },
+ { "DynCapPadded",
+ "Dynamic Capability Message, IP/Multicast, padded",
+ { 0x0, 0x1, 0x4, 0x0, 0x1, 0x0, 0x2, 0x0 },
+ 8, SHOULD_ERR, /* No way to tell padding from data.. */
+ },
+ { "DynCapMPCpadded",
+ "Dynamic Capability Message, IP/Multicast, cap data padded",
+ { 0x0, 0x1, 0x5, 0x0, 0x1, 0x0, 0x2, 0x0 },
+ 8, SHOULD_PARSE, /* You can though add padding to the capability data */
+ },
+ { "DynCapMPCoverflow",
+ "Dynamic Capability Message, IP/Multicast, cap data != length",
+ { 0x0, 0x1, 0x3, 0x0, 0x1, 0x0, 0x2, 0x0 },
+ 8, SHOULD_ERR,
+ },
+ { NULL, NULL, {0}, 0, 0}
+};
+/* basic parsing test */
+static void
+parse_test (struct peer *peer, struct test_segment *t, int type)
+{
+ int ret;
+ int capability = 0;
+
+ stream_reset (peer->ibuf);
+ switch (type)
+ {
+ case OPEN:
+ stream_putc (peer->ibuf, BGP_OPEN_OPT_CAP);
+ stream_putc (peer->ibuf, t->len);
+ break;
+ case DYNCAP:
+/* for (i = 0; i < BGP_MARKER_SIZE; i++)
+ stream_putc (peer->, 0xff);
+ stream_putw (s, 0);
+ stream_putc (s, BGP_MSG_CAPABILITY);*/
+ break;
+ }
+ stream_write (peer->ibuf, t->data, t->len);
+
+ printf ("%s: %s\n", t->name, t->desc);
+
+ switch (type)
+ {
+ case OPEN:
+ ret = bgp_open_option_parse (peer, t->len + 2, &capability);
+ break;
+ case DYNCAP:
+ ret = bgp_capability_receive (peer, t->len);
+ break;
+ default:
+ printf ("unknown type %u\n", type);
+ exit(1);
+ }
+
+ printf ("parsed?: %s\n", ret ? "no" : "yes");
+
+ if (ret == t->parses)
+ printf ("OK\n");
+ else
+ {
+ printf ("failed\n");
+ failed++;
+ }
+
+ printf ("\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;
+ term_bgp_debug_fsm = -1UL;
+ term_bgp_debug_events = -1UL;
+ term_bgp_debug_packet = -1UL;
+ term_bgp_debug_normal = -1UL;
+
+ master = thread_master_create ();
+ bgp_master_init ();
+
+ if (bgp_get (&bgp, &asn, NULL))
+ return -1;
+
+ peer = peer_create_accept (bgp);
+
+ for (i = AFI_IP; i < AFI_MAX; i++)
+ for (j = SAFI_UNICAST; j < SAFI_MAX; j++)
+ peer->afc_nego[i][j] = 1;
+
+ i =0;
+ while (test_segments[i].name)
+ parse_test (peer, &test_segments[i++], OPEN);
+
+ SET_FLAG (peer->cap, PEER_CAP_DYNAMIC_ADV);
+ peer->status = Established;
+
+ i = 0;
+ while (dynamic_cap_msgs[i].name)
+ parse_test (peer, &dynamic_cap_msgs[i++], DYNCAP);
+
+ printf ("failures: %d\n", failed);
+ return failed;
+}
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