tor/src/test/test_extorport.c
2018-06-28 16:29:35 -04:00

614 lines
20 KiB
C

/* Copyright (c) 2013-2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#define CONNECTION_PRIVATE
#define EXT_ORPORT_PRIVATE
#define MAIN_PRIVATE
#include "or/or.h"
#include "lib/container/buffers.h"
#include "or/connection.h"
#include "or/connection_or.h"
#include "or/config.h"
#include "or/control.h"
#include "lib/crypt_ops/crypto_rand.h"
#include "or/ext_orport.h"
#include "or/main.h"
#include "or/or_connection_st.h"
#include "test/test.h"
/* Test connection_or_remove_from_ext_or_id_map and
* connection_or_set_ext_or_identifier */
static void
test_ext_or_id_map(void *arg)
{
or_connection_t *c1 = NULL, *c2 = NULL, *c3 = NULL;
char *idp = NULL, *idp2 = NULL;
(void)arg;
/* pre-initialization */
tt_ptr_op(NULL, OP_EQ,
connection_or_get_by_ext_or_id("xxxxxxxxxxxxxxxxxxxx"));
c1 = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
c2 = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
c3 = or_connection_new(CONN_TYPE_OR, AF_INET);
tt_ptr_op(c1->ext_or_conn_id, OP_NE, NULL);
tt_ptr_op(c2->ext_or_conn_id, OP_NE, NULL);
tt_ptr_op(c3->ext_or_conn_id, OP_EQ, NULL);
tt_ptr_op(c1, OP_EQ, connection_or_get_by_ext_or_id(c1->ext_or_conn_id));
tt_ptr_op(c2, OP_EQ, connection_or_get_by_ext_or_id(c2->ext_or_conn_id));
tt_ptr_op(NULL, OP_EQ,
connection_or_get_by_ext_or_id("xxxxxxxxxxxxxxxxxxxx"));
idp = tor_memdup(c2->ext_or_conn_id, EXT_OR_CONN_ID_LEN);
/* Give c2 a new ID. */
connection_or_set_ext_or_identifier(c2);
tt_mem_op(idp, OP_NE, c2->ext_or_conn_id, EXT_OR_CONN_ID_LEN);
idp2 = tor_memdup(c2->ext_or_conn_id, EXT_OR_CONN_ID_LEN);
tt_assert(!tor_digest_is_zero(idp2));
tt_ptr_op(NULL, OP_EQ, connection_or_get_by_ext_or_id(idp));
tt_ptr_op(c2, OP_EQ, connection_or_get_by_ext_or_id(idp2));
/* Now remove it. */
connection_or_remove_from_ext_or_id_map(c2);
tt_ptr_op(NULL, OP_EQ, connection_or_get_by_ext_or_id(idp));
tt_ptr_op(NULL, OP_EQ, connection_or_get_by_ext_or_id(idp2));
done:
if (c1)
connection_free_minimal(TO_CONN(c1));
if (c2)
connection_free_minimal(TO_CONN(c2));
if (c3)
connection_free_minimal(TO_CONN(c3));
tor_free(idp);
tor_free(idp2);
connection_or_clear_ext_or_id_map();
}
/* Simple connection_write_to_buf_impl_ replacement that unconditionally
* writes to outbuf. */
static void
connection_write_to_buf_impl_replacement(const char *string, size_t len,
connection_t *conn, int compressed)
{
(void) compressed;
tor_assert(string);
tor_assert(conn);
buf_add(conn->outbuf, string, len);
}
static char *
buf_get_contents(buf_t *buf, size_t *sz_out)
{
char *out;
*sz_out = buf_datalen(buf);
if (*sz_out >= ULONG_MAX)
return NULL; /* C'mon, really? */
out = tor_malloc(*sz_out + 1);
if (buf_get_bytes(buf, out, (unsigned long)*sz_out) != 0) {
tor_free(out);
return NULL;
}
out[*sz_out] = '\0'; /* Hopefully gratuitous. */
return out;
}
static void
test_ext_or_write_command(void *arg)
{
or_connection_t *c1;
char *cp = NULL;
char *buf = NULL;
size_t sz;
(void) arg;
MOCK(connection_write_to_buf_impl_,
connection_write_to_buf_impl_replacement);
c1 = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
tt_assert(c1);
/* Length too long */
tt_int_op(connection_write_ext_or_command(TO_CONN(c1), 100, "X", 100000),
OP_LT, 0);
/* Empty command */
tt_int_op(connection_write_ext_or_command(TO_CONN(c1), 0x99, NULL, 0),
OP_EQ, 0);
cp = buf_get_contents(TO_CONN(c1)->outbuf, &sz);
tt_int_op(sz, OP_EQ, 4);
tt_mem_op(cp, OP_EQ, "\x00\x99\x00\x00", 4);
tor_free(cp);
/* Medium command. */
tt_int_op(connection_write_ext_or_command(TO_CONN(c1), 0x99,
"Wai\0Hello", 9), OP_EQ, 0);
cp = buf_get_contents(TO_CONN(c1)->outbuf, &sz);
tt_int_op(sz, OP_EQ, 13);
tt_mem_op(cp, OP_EQ, "\x00\x99\x00\x09Wai\x00Hello", 13);
tor_free(cp);
/* Long command */
buf = tor_malloc(65535);
memset(buf, 'x', 65535);
tt_int_op(connection_write_ext_or_command(TO_CONN(c1), 0xf00d,
buf, 65535), OP_EQ, 0);
cp = buf_get_contents(TO_CONN(c1)->outbuf, &sz);
tt_int_op(sz, OP_EQ, 65539);
tt_mem_op(cp, OP_EQ, "\xf0\x0d\xff\xff", 4);
tt_mem_op(cp+4, OP_EQ, buf, 65535);
tor_free(cp);
done:
if (c1)
connection_free_minimal(TO_CONN(c1));
tor_free(cp);
tor_free(buf);
UNMOCK(connection_write_to_buf_impl_);
}
static int
write_bytes_to_file_fail(const char *fname, const char *str, size_t len,
int bin)
{
(void) fname;
(void) str;
(void) len;
(void) bin;
return -1;
}
static void
test_ext_or_init_auth(void *arg)
{
or_options_t *options = get_options_mutable();
const char *fn;
char *cp = NULL;
struct stat st;
char cookie0[32];
(void)arg;
/* Check default filename location */
tor_free(options->DataDirectory);
options->DataDirectory = tor_strdup("foo");
cp = get_ext_or_auth_cookie_file_name();
tt_str_op(cp, OP_EQ, "foo"PATH_SEPARATOR"extended_orport_auth_cookie");
tor_free(cp);
/* Shouldn't be initialized already, or our tests will be a bit
* meaningless */
ext_or_auth_cookie = tor_malloc_zero(32);
tt_assert(tor_mem_is_zero((char*)ext_or_auth_cookie, 32));
/* Now make sure we use a temporary file */
fn = get_fname("ext_cookie_file");
options->ExtORPortCookieAuthFile = tor_strdup(fn);
cp = get_ext_or_auth_cookie_file_name();
tt_str_op(cp, OP_EQ, fn);
tor_free(cp);
/* Test the initialization function with a broken
write_bytes_to_file(). See if the problem is handled properly. */
MOCK(write_bytes_to_file, write_bytes_to_file_fail);
tt_int_op(-1, OP_EQ, init_ext_or_cookie_authentication(1));
tt_int_op(ext_or_auth_cookie_is_set, OP_EQ, 0);
UNMOCK(write_bytes_to_file);
/* Now do the actual initialization. */
tt_int_op(0, OP_EQ, init_ext_or_cookie_authentication(1));
tt_int_op(ext_or_auth_cookie_is_set, OP_EQ, 1);
cp = read_file_to_str(fn, RFTS_BIN, &st);
tt_ptr_op(cp, OP_NE, NULL);
tt_u64_op((uint64_t)st.st_size, OP_EQ, 64);
tt_mem_op(cp,OP_EQ, "! Extended ORPort Auth Cookie !\x0a", 32);
tt_mem_op(cp+32,OP_EQ, ext_or_auth_cookie, 32);
memcpy(cookie0, ext_or_auth_cookie, 32);
tt_assert(!tor_mem_is_zero((char*)ext_or_auth_cookie, 32));
/* Operation should be idempotent. */
tt_int_op(0, OP_EQ, init_ext_or_cookie_authentication(1));
tt_mem_op(cookie0,OP_EQ, ext_or_auth_cookie, 32);
done:
tor_free(cp);
ext_orport_free_all();
}
static void
test_ext_or_cookie_auth(void *arg)
{
char *reply=NULL, *reply2=NULL, *client_hash=NULL, *client_hash2=NULL;
size_t reply_len=0;
char hmac1[32], hmac2[32];
const char client_nonce[32] =
"Who is the third who walks alway";
char server_hash_input[] =
"ExtORPort authentication server-to-client hash"
"Who is the third who walks alway"
"................................";
char client_hash_input[] =
"ExtORPort authentication client-to-server hash"
"Who is the third who walks alway"
"................................";
(void)arg;
tt_int_op(strlen(client_hash_input), OP_EQ, 46+32+32);
tt_int_op(strlen(server_hash_input), OP_EQ, 46+32+32);
ext_or_auth_cookie = tor_malloc_zero(32);
memcpy(ext_or_auth_cookie, "s beside you? When I count, ther", 32);
ext_or_auth_cookie_is_set = 1;
/* For this authentication, the client sends 32 random bytes (ClientNonce)
* The server replies with 32 byte ServerHash and 32 byte ServerNonce,
* where ServerHash is:
* HMAC-SHA256(CookieString,
* "ExtORPort authentication server-to-client hash" | ClientNonce |
* ServerNonce)"
* The client must reply with 32-byte ClientHash, which we compute as:
* ClientHash is computed as:
* HMAC-SHA256(CookieString,
* "ExtORPort authentication client-to-server hash" | ClientNonce |
* ServerNonce)
*/
/* Wrong length */
tt_int_op(-1, OP_EQ,
handle_client_auth_nonce(client_nonce, 33, &client_hash, &reply,
&reply_len));
tt_int_op(-1, OP_EQ,
handle_client_auth_nonce(client_nonce, 31, &client_hash, &reply,
&reply_len));
/* Now let's try this for real! */
tt_int_op(0, OP_EQ,
handle_client_auth_nonce(client_nonce, 32, &client_hash, &reply,
&reply_len));
tt_int_op(reply_len, OP_EQ, 64);
tt_ptr_op(reply, OP_NE, NULL);
tt_ptr_op(client_hash, OP_NE, NULL);
/* Fill in the server nonce into the hash inputs... */
memcpy(server_hash_input+46+32, reply+32, 32);
memcpy(client_hash_input+46+32, reply+32, 32);
/* Check the HMACs are correct... */
crypto_hmac_sha256(hmac1, (char*)ext_or_auth_cookie, 32, server_hash_input,
46+32+32);
crypto_hmac_sha256(hmac2, (char*)ext_or_auth_cookie, 32, client_hash_input,
46+32+32);
tt_mem_op(hmac1,OP_EQ, reply, 32);
tt_mem_op(hmac2,OP_EQ, client_hash, 32);
/* Now do it again and make sure that the results are *different* */
tt_int_op(0, OP_EQ,
handle_client_auth_nonce(client_nonce, 32, &client_hash2, &reply2,
&reply_len));
tt_mem_op(reply2,OP_NE, reply, reply_len);
tt_mem_op(client_hash2,OP_NE, client_hash, 32);
/* But that this one checks out too. */
memcpy(server_hash_input+46+32, reply2+32, 32);
memcpy(client_hash_input+46+32, reply2+32, 32);
/* Check the HMACs are correct... */
crypto_hmac_sha256(hmac1, (char*)ext_or_auth_cookie, 32, server_hash_input,
46+32+32);
crypto_hmac_sha256(hmac2, (char*)ext_or_auth_cookie, 32, client_hash_input,
46+32+32);
tt_mem_op(hmac1,OP_EQ, reply2, 32);
tt_mem_op(hmac2,OP_EQ, client_hash2, 32);
done:
tor_free(reply);
tor_free(client_hash);
tor_free(reply2);
tor_free(client_hash2);
}
static void
crypto_rand_return_tse_str(char *to, size_t n)
{
if (n != 32) {
TT_FAIL(("Asked for %d bytes, not 32", (int)n));
return;
}
memcpy(to, "te road There is always another ", 32);
}
static void
test_ext_or_cookie_auth_testvec(void *arg)
{
char *reply=NULL, *client_hash=NULL;
size_t reply_len;
char *mem_op_hex_tmp=NULL;
const char client_nonce[] = "But when I look ahead up the whi";
(void)arg;
ext_or_auth_cookie = tor_malloc_zero(32);
memcpy(ext_or_auth_cookie, "Gliding wrapt in a brown mantle," , 32);
ext_or_auth_cookie_is_set = 1;
MOCK(crypto_rand, crypto_rand_return_tse_str);
tt_int_op(0, OP_EQ,
handle_client_auth_nonce(client_nonce, 32, &client_hash, &reply,
&reply_len));
tt_ptr_op(reply, OP_NE, NULL );
tt_uint_op(reply_len, OP_EQ, 64);
tt_mem_op(reply+32,OP_EQ, "te road There is always another ", 32);
/* HMACSHA256("Gliding wrapt in a brown mantle,"
* "ExtORPort authentication server-to-client hash"
* "But when I look ahead up the write road There is always another ");
*/
test_memeq_hex(reply,
"ec80ed6e546d3b36fdfc22fe1315416b"
"029f1ade7610d910878b62eeb7403821");
/* HMACSHA256("Gliding wrapt in a brown mantle,"
* "ExtORPort authentication client-to-server hash"
* "But when I look ahead up the write road There is always another ");
* (Both values computed using Python CLI.)
*/
test_memeq_hex(client_hash,
"ab391732dd2ed968cd40c087d1b1f25b"
"33b3cd77ff79bd80c2074bbf438119a2");
done:
UNMOCK(crypto_rand);
tor_free(reply);
tor_free(client_hash);
tor_free(mem_op_hex_tmp);
}
static void
ignore_bootstrap_problem(const char *warn, int reason,
or_connection_t *conn)
{
(void)warn;
(void)reason;
(void)conn;
}
static int is_reading = 1;
static int handshake_start_called = 0;
static void
note_read_stopped(connection_t *conn)
{
(void)conn;
is_reading=0;
}
static void
note_read_started(connection_t *conn)
{
(void)conn;
is_reading=1;
}
static int
handshake_start(or_connection_t *conn, int receiving)
{
if (!conn || !receiving)
TT_FAIL(("Bad arguments to handshake_start"));
handshake_start_called = 1;
return 0;
}
#define WRITE(s,n) \
do { \
buf_add(TO_CONN(conn)->inbuf, (s), (n)); \
} while (0)
#define CONTAINS(s,n) \
do { \
tt_int_op((n), OP_LE, sizeof(b)); \
tt_int_op(buf_datalen(TO_CONN(conn)->outbuf), OP_EQ, (n)); \
if ((n)) { \
buf_get_bytes(TO_CONN(conn)->outbuf, b, (n)); \
tt_mem_op(b, OP_EQ, (s), (n)); \
} \
} while (0)
/* Helper: Do a successful Extended ORPort authentication handshake. */
static void
do_ext_or_handshake(or_connection_t *conn)
{
char b[256];
tt_int_op(0, OP_EQ, connection_ext_or_start_auth(conn));
CONTAINS("\x01\x00", 2);
WRITE("\x01", 1);
WRITE("But when I look ahead up the whi", 32);
MOCK(crypto_rand, crypto_rand_return_tse_str);
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
UNMOCK(crypto_rand);
tt_int_op(TO_CONN(conn)->state, OP_EQ,
EXT_OR_CONN_STATE_AUTH_WAIT_CLIENT_HASH);
CONTAINS("\xec\x80\xed\x6e\x54\x6d\x3b\x36\xfd\xfc\x22\xfe\x13\x15\x41\x6b"
"\x02\x9f\x1a\xde\x76\x10\xd9\x10\x87\x8b\x62\xee\xb7\x40\x38\x21"
"te road There is always another ", 64);
/* Send the right response this time. */
WRITE("\xab\x39\x17\x32\xdd\x2e\xd9\x68\xcd\x40\xc0\x87\xd1\xb1\xf2\x5b"
"\x33\xb3\xcd\x77\xff\x79\xbd\x80\xc2\x07\x4b\xbf\x43\x81\x19\xa2",
32);
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
CONTAINS("\x01", 1);
tt_assert(! TO_CONN(conn)->marked_for_close);
tt_int_op(TO_CONN(conn)->state, OP_EQ, EXT_OR_CONN_STATE_OPEN);
done: ;
}
static void
test_ext_or_handshake(void *arg)
{
or_connection_t *conn=NULL;
char b[256];
(void) arg;
MOCK(connection_write_to_buf_impl_,
connection_write_to_buf_impl_replacement);
/* Use same authenticators as for test_ext_or_cookie_auth_testvec */
ext_or_auth_cookie = tor_malloc_zero(32);
memcpy(ext_or_auth_cookie, "Gliding wrapt in a brown mantle," , 32);
ext_or_auth_cookie_is_set = 1;
init_connection_lists();
conn = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
tt_int_op(0, OP_EQ, connection_ext_or_start_auth(conn));
/* The server starts by telling us about the one supported authtype. */
CONTAINS("\x01\x00", 2);
/* Say the client hasn't responded yet. */
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
/* Let's say the client replies badly. */
WRITE("\x99", 1);
tt_int_op(-1, OP_EQ, connection_ext_or_process_inbuf(conn));
CONTAINS("", 0);
tt_assert(TO_CONN(conn)->marked_for_close);
close_closeable_connections();
conn = NULL;
/* Okay, try again. */
conn = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
tt_int_op(0, OP_EQ, connection_ext_or_start_auth(conn));
CONTAINS("\x01\x00", 2);
/* Let's say the client replies sensibly this time. "Yes, AUTHTYPE_COOKIE
* sounds delicious. Let's have some of that!" */
WRITE("\x01", 1);
/* Let's say that the client also sends part of a nonce. */
WRITE("But when I look ", 16);
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
CONTAINS("", 0);
tt_int_op(TO_CONN(conn)->state, OP_EQ,
EXT_OR_CONN_STATE_AUTH_WAIT_CLIENT_NONCE);
/* Pump it again. Nothing should happen. */
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
/* send the rest of the nonce. */
WRITE("ahead up the whi", 16);
MOCK(crypto_rand, crypto_rand_return_tse_str);
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
UNMOCK(crypto_rand);
/* We should get the right reply from the server. */
CONTAINS("\xec\x80\xed\x6e\x54\x6d\x3b\x36\xfd\xfc\x22\xfe\x13\x15\x41\x6b"
"\x02\x9f\x1a\xde\x76\x10\xd9\x10\x87\x8b\x62\xee\xb7\x40\x38\x21"
"te road There is always another ", 64);
/* Send the wrong response. */
WRITE("not with a bang but a whimper...", 32);
MOCK(control_event_bootstrap_prob_or, ignore_bootstrap_problem);
tt_int_op(-1, OP_EQ, connection_ext_or_process_inbuf(conn));
CONTAINS("\x00", 1);
tt_assert(TO_CONN(conn)->marked_for_close);
/* XXXX Hold-open-until-flushed. */
close_closeable_connections();
conn = NULL;
UNMOCK(control_event_bootstrap_prob_or);
MOCK(connection_start_reading, note_read_started);
MOCK(connection_stop_reading, note_read_stopped);
MOCK(connection_tls_start_handshake, handshake_start);
/* Okay, this time let's succeed. */
conn = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
do_ext_or_handshake(conn);
/* Now let's run through some messages. */
/* First let's send some junk and make sure it's ignored. */
WRITE("\xff\xf0\x00\x03""ABC", 7);
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
CONTAINS("", 0);
/* Now let's send a USERADDR command. */
WRITE("\x00\x01\x00\x0c""1.2.3.4:5678", 16);
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
tt_int_op(TO_CONN(conn)->port, OP_EQ, 5678);
tt_int_op(tor_addr_to_ipv4h(&TO_CONN(conn)->addr), OP_EQ, 0x01020304);
/* Now let's send a TRANSPORT command. */
WRITE("\x00\x02\x00\x07""rfc1149", 11);
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
tt_ptr_op(NULL, OP_NE, conn->ext_or_transport);
tt_str_op("rfc1149", OP_EQ, conn->ext_or_transport);
tt_int_op(is_reading,OP_EQ,1);
tt_int_op(TO_CONN(conn)->state, OP_EQ, EXT_OR_CONN_STATE_OPEN);
/* DONE */
WRITE("\x00\x00\x00\x00", 4);
tt_int_op(0, OP_EQ, connection_ext_or_process_inbuf(conn));
tt_int_op(TO_CONN(conn)->state, OP_EQ, EXT_OR_CONN_STATE_FLUSHING);
tt_int_op(is_reading,OP_EQ,0);
CONTAINS("\x10\x00\x00\x00", 4);
tt_int_op(handshake_start_called,OP_EQ,0);
tt_int_op(0, OP_EQ, connection_ext_or_finished_flushing(conn));
tt_int_op(is_reading,OP_EQ,1);
tt_int_op(handshake_start_called,OP_EQ,1);
tt_int_op(TO_CONN(conn)->type, OP_EQ, CONN_TYPE_OR);
tt_int_op(TO_CONN(conn)->state, OP_EQ, 0);
close_closeable_connections();
conn = NULL;
/* Okay, this time let's succeed the handshake but fail the USERADDR
command. */
conn = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
do_ext_or_handshake(conn);
/* USERADDR command with an extra NUL byte */
WRITE("\x00\x01\x00\x0d""1.2.3.4:5678\x00", 17);
MOCK(control_event_bootstrap_prob_or, ignore_bootstrap_problem);
tt_int_op(-1, OP_EQ, connection_ext_or_process_inbuf(conn));
CONTAINS("", 0);
tt_assert(TO_CONN(conn)->marked_for_close);
close_closeable_connections();
conn = NULL;
UNMOCK(control_event_bootstrap_prob_or);
/* Now fail the TRANSPORT command. */
conn = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
do_ext_or_handshake(conn);
/* TRANSPORT command with an extra NUL byte */
WRITE("\x00\x02\x00\x08""rfc1149\x00", 12);
MOCK(control_event_bootstrap_prob_or, ignore_bootstrap_problem);
tt_int_op(-1, OP_EQ, connection_ext_or_process_inbuf(conn));
CONTAINS("", 0);
tt_assert(TO_CONN(conn)->marked_for_close);
close_closeable_connections();
conn = NULL;
UNMOCK(control_event_bootstrap_prob_or);
/* Now fail the TRANSPORT command. */
conn = or_connection_new(CONN_TYPE_EXT_OR, AF_INET);
do_ext_or_handshake(conn);
/* TRANSPORT command with transport name with symbols (not a
C-identifier) */
WRITE("\x00\x02\x00\x07""rf*1149", 11);
MOCK(control_event_bootstrap_prob_or, ignore_bootstrap_problem);
tt_int_op(-1, OP_EQ, connection_ext_or_process_inbuf(conn));
CONTAINS("", 0);
tt_assert(TO_CONN(conn)->marked_for_close);
close_closeable_connections();
conn = NULL;
UNMOCK(control_event_bootstrap_prob_or);
done:
UNMOCK(connection_write_to_buf_impl_);
UNMOCK(crypto_rand);
if (conn)
connection_free_minimal(TO_CONN(conn));
#undef CONTAINS
#undef WRITE
}
struct testcase_t extorport_tests[] = {
{ "id_map", test_ext_or_id_map, TT_FORK, NULL, NULL },
{ "write_command", test_ext_or_write_command, TT_FORK, NULL, NULL },
{ "init_auth", test_ext_or_init_auth, TT_FORK, NULL, NULL },
{ "cookie_auth", test_ext_or_cookie_auth, TT_FORK, NULL, NULL },
{ "cookie_auth_testvec", test_ext_or_cookie_auth_testvec, TT_FORK,
NULL, NULL },
{ "handshake", test_ext_or_handshake, TT_FORK, NULL, NULL },
END_OF_TESTCASES
};