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quic_multistream_test.c
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/*
* Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/ssl.h>
#include <openssl/quic.h>
#include <openssl/bio.h>
#include <openssl/lhash.h>
#include "internal/quic_tserver.h"
#include "internal/quic_ssl.h"
#include "internal/quic_error.h"
#include "testutil.h"
#include "helpers/quictestlib.h"
#if defined(OPENSSL_THREADS)
# include "internal/thread_arch.h"
#endif
#include "internal/numbers.h" /* UINT64_C */
static const char *certfile, *keyfile;
#if defined(OPENSSL_THREADS)
struct child_thread_args {
struct helper *h;
const struct script_op *script;
const char *script_name;
int thread_idx;
CRYPTO_THREAD *t;
CRYPTO_MUTEX *m;
int testresult;
int done;
int s_checked_out;
};
#endif
typedef struct stream_info {
const char *name;
SSL *c_stream;
uint64_t s_stream_id;
} STREAM_INFO;
DEFINE_LHASH_OF_EX(STREAM_INFO);
struct helper {
int s_fd;
BIO *s_net_bio, *s_net_bio_own, *s_qtf_wbio, *s_qtf_wbio_own;
/* The BIO_ADDR used for BIO_bind() */
BIO_ADDR *s_net_bio_orig_addr;
/* The resulting address, which is the one to connect to */
BIO_ADDR *s_net_bio_addr;
/*
* When doing a blocking mode test run, s_priv always points to the TSERVER
* and s is NULL when the main thread should not be touching s_priv.
*/
QUIC_TSERVER *s, *s_priv;
LHASH_OF(STREAM_INFO) *s_streams;
int c_fd;
BIO *c_net_bio, *c_net_bio_own;
SSL_CTX *c_ctx;
SSL *c_conn;
LHASH_OF(STREAM_INFO) *c_streams;
#if defined(OPENSSL_THREADS)
struct child_thread_args *threads;
size_t num_threads;
CRYPTO_MUTEX *misc_m;
CRYPTO_CONDVAR *misc_cv;
#endif
OSSL_TIME start_time;
/*
* This is a duration recording the amount of time we have skipped forwards
* for testing purposes relative to the real ossl_time_now() clock. We add
* a quantity of time to this every time we skip some time.
*/
CRYPTO_RWLOCK *time_lock;
OSSL_TIME time_slip; /* protected by time_lock */
QTEST_FAULT *qtf;
int init, blocking, check_spin_again;
int free_order, need_injector;
int (*qtf_packet_plain_cb)(struct helper *h, QUIC_PKT_HDR *hdr,
unsigned char *buf, size_t buf_len);
int (*qtf_handshake_cb)(struct helper *h,
unsigned char *buf, size_t buf_len);
int (*qtf_datagram_cb)(struct helper *h,
BIO_MSG *m, size_t stride);
uint64_t inject_word0, inject_word1;
uint64_t scratch0, scratch1, fail_count;
#if defined(OPENSSL_THREADS)
struct {
CRYPTO_THREAD *t;
CRYPTO_MUTEX *m;
CRYPTO_CONDVAR *c;
int ready, stop;
} server_thread;
int s_checked_out;
#endif
};
struct helper_local {
struct helper *h;
LHASH_OF(STREAM_INFO) *c_streams;
int thread_idx;
const struct script_op *check_op;
};
struct script_op {
uint32_t op;
const void *arg0;
size_t arg1;
int (*check_func)(struct helper *h, struct helper_local *hl);
const char *stream_name;
uint64_t arg2;
int (*qtf_packet_plain_cb)(struct helper *h, QUIC_PKT_HDR *hdr,
unsigned char *buf, size_t buf_len);
int (*qtf_handshake_cb)(struct helper *h,
unsigned char *buf, size_t buf_len);
int (*qtf_datagram_cb)(struct helper *h,
BIO_MSG *m, size_t stride);
};
#define OPK_END 0
#define OPK_CHECK 1
#define OPK_C_SET_ALPN 2
#define OPK_C_CONNECT_WAIT 3
#define OPK_C_WRITE 4
#define OPK_S_WRITE 5
#define OPK_C_READ_EXPECT 6
#define OPK_S_READ_EXPECT 7
#define OPK_C_EXPECT_FIN 8
#define OPK_S_EXPECT_FIN 9
#define OPK_C_CONCLUDE 10
#define OPK_S_CONCLUDE 11
#define OPK_C_DETACH 12
#define OPK_C_ATTACH 13
#define OPK_C_NEW_STREAM 14
#define OPK_S_NEW_STREAM 15
#define OPK_C_ACCEPT_STREAM_WAIT 16
#define OPK_C_ACCEPT_STREAM_NONE 17
#define OPK_C_FREE_STREAM 18
#define OPK_C_SET_DEFAULT_STREAM_MODE 19
#define OPK_C_SET_INCOMING_STREAM_POLICY 20
#define OPK_C_SHUTDOWN_WAIT 21
#define OPK_C_EXPECT_CONN_CLOSE_INFO 22
#define OPK_S_EXPECT_CONN_CLOSE_INFO 23
#define OPK_S_BIND_STREAM_ID 24
#define OPK_C_WAIT_FOR_DATA 25
#define OPK_C_WRITE_FAIL 26
#define OPK_S_WRITE_FAIL 27
#define OPK_C_READ_FAIL 28
#define OPK_C_STREAM_RESET 29
#define OPK_S_ACCEPT_STREAM_WAIT 30
#define OPK_NEW_THREAD 31
#define OPK_BEGIN_REPEAT 32
#define OPK_END_REPEAT 33
#define OPK_S_UNBIND_STREAM_ID 34
#define OPK_C_READ_FAIL_WAIT 35
#define OPK_C_CLOSE_SOCKET 36
#define OPK_C_EXPECT_SSL_ERR 37
#define OPK_EXPECT_ERR_REASON 38
#define OPK_EXPECT_ERR_LIB 39
#define OPK_SLEEP 40
#define OPK_S_READ_FAIL 41
#define OPK_S_SET_INJECT_PLAIN 42
#define OPK_SET_INJECT_WORD 43
#define OPK_C_INHIBIT_TICK 44
#define OPK_C_SET_WRITE_BUF_SIZE 45
#define OPK_S_SET_INJECT_HANDSHAKE 46
#define OPK_S_NEW_TICKET 47
#define OPK_C_SKIP_IF_UNBOUND 48
#define OPK_S_SET_INJECT_DATAGRAM 49
#define OPK_S_SHUTDOWN 50
#define EXPECT_CONN_CLOSE_APP (1U << 0)
#define EXPECT_CONN_CLOSE_REMOTE (1U << 1)
#define C_BIDI_ID(ordinal) \
(((ordinal) << 2) | QUIC_STREAM_INITIATOR_CLIENT | QUIC_STREAM_DIR_BIDI)
#define S_BIDI_ID(ordinal) \
(((ordinal) << 2) | QUIC_STREAM_INITIATOR_SERVER | QUIC_STREAM_DIR_BIDI)
#define C_UNI_ID(ordinal) \
(((ordinal) << 2) | QUIC_STREAM_INITIATOR_CLIENT | QUIC_STREAM_DIR_UNI)
#define S_UNI_ID(ordinal) \
(((ordinal) << 2) | QUIC_STREAM_INITIATOR_SERVER | QUIC_STREAM_DIR_UNI)
#define ANY_ID UINT64_MAX
#define OP_END \
{OPK_END}
#define OP_CHECK(func, arg2) \
{OPK_CHECK, NULL, 0, (func), NULL, (arg2)},
#define OP_C_SET_ALPN(alpn) \
{OPK_C_SET_ALPN, (alpn), 0, NULL, NULL},
#define OP_C_CONNECT_WAIT() \
{OPK_C_CONNECT_WAIT, NULL, 0, NULL, NULL},
#define OP_C_CONNECT_WAIT_OR_FAIL() \
{OPK_C_CONNECT_WAIT, NULL, 1, NULL, NULL},
#define OP_C_WRITE(stream_name, buf, buf_len) \
{OPK_C_WRITE, (buf), (buf_len), NULL, #stream_name},
#define OP_S_WRITE(stream_name, buf, buf_len) \
{OPK_S_WRITE, (buf), (buf_len), NULL, #stream_name},
#define OP_C_READ_EXPECT(stream_name, buf, buf_len) \
{OPK_C_READ_EXPECT, (buf), (buf_len), NULL, #stream_name},
#define OP_S_READ_EXPECT(stream_name, buf, buf_len) \
{OPK_S_READ_EXPECT, (buf), (buf_len), NULL, #stream_name},
#define OP_C_EXPECT_FIN(stream_name) \
{OPK_C_EXPECT_FIN, NULL, 0, NULL, #stream_name},
#define OP_S_EXPECT_FIN(stream_name) \
{OPK_S_EXPECT_FIN, NULL, 0, NULL, #stream_name},
#define OP_C_CONCLUDE(stream_name) \
{OPK_C_CONCLUDE, NULL, 0, NULL, #stream_name},
#define OP_S_CONCLUDE(stream_name) \
{OPK_S_CONCLUDE, NULL, 0, NULL, #stream_name},
#define OP_C_DETACH(stream_name) \
{OPK_C_DETACH, NULL, 0, NULL, #stream_name},
#define OP_C_ATTACH(stream_name) \
{OPK_C_ATTACH, NULL, 0, NULL, #stream_name},
#define OP_C_NEW_STREAM_BIDI(stream_name, expect_id) \
{OPK_C_NEW_STREAM, NULL, 0, NULL, #stream_name, (expect_id)},
#define OP_C_NEW_STREAM_UNI(stream_name, expect_id) \
{OPK_C_NEW_STREAM, NULL, 1, NULL, #stream_name, (expect_id)},
#define OP_S_NEW_STREAM_BIDI(stream_name, expect_id) \
{OPK_S_NEW_STREAM, NULL, 0, NULL, #stream_name, (expect_id)},
#define OP_S_NEW_STREAM_UNI(stream_name, expect_id) \
{OPK_S_NEW_STREAM, NULL, 1, NULL, #stream_name, (expect_id)},
#define OP_C_ACCEPT_STREAM_WAIT(stream_name) \
{OPK_C_ACCEPT_STREAM_WAIT, NULL, 0, NULL, #stream_name},
#define OP_C_ACCEPT_STREAM_NONE() \
{OPK_C_ACCEPT_STREAM_NONE, NULL, 0, NULL, NULL},
#define OP_C_FREE_STREAM(stream_name) \
{OPK_C_FREE_STREAM, NULL, 0, NULL, #stream_name},
#define OP_C_SET_DEFAULT_STREAM_MODE(mode) \
{OPK_C_SET_DEFAULT_STREAM_MODE, NULL, (mode), NULL, NULL},
#define OP_C_SET_INCOMING_STREAM_POLICY(policy) \
{OPK_C_SET_INCOMING_STREAM_POLICY, NULL, (policy), NULL, NULL},
#define OP_C_SHUTDOWN_WAIT(reason, flags) \
{OPK_C_SHUTDOWN_WAIT, (reason), (flags), NULL, NULL},
#define OP_C_EXPECT_CONN_CLOSE_INFO(ec, app, remote) \
{OPK_C_EXPECT_CONN_CLOSE_INFO, NULL, \
((app) ? EXPECT_CONN_CLOSE_APP : 0) | \
((remote) ? EXPECT_CONN_CLOSE_REMOTE : 0), \
NULL, NULL, (ec)},
#define OP_S_EXPECT_CONN_CLOSE_INFO(ec, app, remote) \
{OPK_S_EXPECT_CONN_CLOSE_INFO, NULL, \
((app) ? EXPECT_CONN_CLOSE_APP : 0) | \
((remote) ? EXPECT_CONN_CLOSE_REMOTE : 0), \
NULL, NULL, (ec)},
#define OP_S_BIND_STREAM_ID(stream_name, stream_id) \
{OPK_S_BIND_STREAM_ID, NULL, 0, NULL, #stream_name, (stream_id)},
#define OP_C_WAIT_FOR_DATA(stream_name) \
{OPK_C_WAIT_FOR_DATA, NULL, 0, NULL, #stream_name},
#define OP_C_WRITE_FAIL(stream_name) \
{OPK_C_WRITE_FAIL, NULL, 0, NULL, #stream_name},
#define OP_S_WRITE_FAIL(stream_name) \
{OPK_S_WRITE_FAIL, NULL, 0, NULL, #stream_name},
#define OP_C_READ_FAIL(stream_name) \
{OPK_C_READ_FAIL, NULL, 0, NULL, #stream_name},
#define OP_S_READ_FAIL(stream_name) \
{OPK_S_READ_FAIL, NULL, 0, NULL, #stream_name},
#define OP_C_STREAM_RESET(stream_name, aec) \
{OPK_C_STREAM_RESET, NULL, 0, NULL, #stream_name, (aec)},
#define OP_S_ACCEPT_STREAM_WAIT(stream_name) \
{OPK_S_ACCEPT_STREAM_WAIT, NULL, 0, NULL, #stream_name},
#define OP_NEW_THREAD(num_threads, script) \
{OPK_NEW_THREAD, (script), (num_threads), NULL, NULL, 0 },
#define OP_BEGIN_REPEAT(n) \
{OPK_BEGIN_REPEAT, NULL, (n)},
#define OP_END_REPEAT() \
{OPK_END_REPEAT},
#define OP_S_UNBIND_STREAM_ID(stream_name) \
{OPK_S_UNBIND_STREAM_ID, NULL, 0, NULL, #stream_name},
#define OP_C_READ_FAIL_WAIT(stream_name) \
{OPK_C_READ_FAIL_WAIT, NULL, 0, NULL, #stream_name},
#define OP_C_CLOSE_SOCKET() \
{OPK_C_CLOSE_SOCKET},
#define OP_C_EXPECT_SSL_ERR(stream_name, err) \
{OPK_C_EXPECT_SSL_ERR, NULL, (err), NULL, #stream_name},
#define OP_EXPECT_ERR_REASON(err) \
{OPK_EXPECT_ERR_REASON, NULL, (err)},
#define OP_EXPECT_ERR_LIB(lib) \
{OPK_EXPECT_ERR_LIB, NULL, (lib)},
#define OP_SLEEP(ms) \
{OPK_SLEEP, NULL, 0, NULL, NULL, (ms)},
#define OP_S_SET_INJECT_PLAIN(f) \
{OPK_S_SET_INJECT_PLAIN, NULL, 0, NULL, NULL, 0, (f)},
#define OP_SET_INJECT_WORD(w0, w1) \
{OPK_SET_INJECT_WORD, NULL, (w0), NULL, NULL, (w1), NULL},
#define OP_C_INHIBIT_TICK(inhibit) \
{OPK_C_INHIBIT_TICK, NULL, (inhibit), NULL, NULL, 0, NULL},
#define OP_C_SET_WRITE_BUF_SIZE(stream_name, size) \
{OPK_C_SET_WRITE_BUF_SIZE, NULL, (size), NULL, #stream_name},
#define OP_S_SET_INJECT_HANDSHAKE(f) \
{OPK_S_SET_INJECT_HANDSHAKE, NULL, 0, NULL, NULL, 0, NULL, (f)},
#define OP_S_NEW_TICKET() \
{OPK_S_NEW_TICKET},
#define OP_C_SKIP_IF_UNBOUND(stream_name, n) \
{OPK_C_SKIP_IF_UNBOUND, NULL, (n), NULL, #stream_name},
#define OP_S_SET_INJECT_DATAGRAM(f) \
{OPK_S_SET_INJECT_DATAGRAM, NULL, 0, NULL, NULL, 0, NULL, NULL, (f)},
#define OP_S_SHUTDOWN(error_code) \
{OPK_S_SHUTDOWN, NULL, (error_code)},
static OSSL_TIME get_time(void *arg)
{
struct helper *h = arg;
OSSL_TIME t;
if (!TEST_true(CRYPTO_THREAD_read_lock(h->time_lock)))
return ossl_time_zero();
t = ossl_time_add(ossl_time_now(), h->time_slip);
CRYPTO_THREAD_unlock(h->time_lock);
return t;
}
static int skip_time_ms(struct helper *h, struct helper_local *hl)
{
if (!TEST_true(CRYPTO_THREAD_write_lock(h->time_lock)))
return 0;
h->time_slip = ossl_time_add(h->time_slip, ossl_ms2time(hl->check_op->arg2));
CRYPTO_THREAD_unlock(h->time_lock);
return 1;
}
static QUIC_TSERVER *s_lock(struct helper *h, struct helper_local *hl);
static void s_unlock(struct helper *h, struct helper_local *hl);
#define ACQUIRE_S() s_lock(h, hl)
static int check_rejected(struct helper *h, struct helper_local *hl)
{
uint64_t stream_id = hl->check_op->arg2;
if (!ossl_quic_tserver_stream_has_peer_stop_sending(ACQUIRE_S(), stream_id, NULL)
|| !ossl_quic_tserver_stream_has_peer_reset_stream(ACQUIRE_S(), stream_id, NULL)) {
h->check_spin_again = 1;
return 0;
}
return 1;
}
static int check_stream_reset(struct helper *h, struct helper_local *hl)
{
uint64_t stream_id = hl->check_op->arg2, aec = 0;
if (!ossl_quic_tserver_stream_has_peer_reset_stream(ACQUIRE_S(), stream_id, &aec)) {
h->check_spin_again = 1;
return 0;
}
return TEST_uint64_t_eq(aec, 42);
}
static int check_stream_stopped(struct helper *h, struct helper_local *hl)
{
uint64_t stream_id = hl->check_op->arg2;
if (!ossl_quic_tserver_stream_has_peer_stop_sending(ACQUIRE_S(), stream_id, NULL)) {
h->check_spin_again = 1;
return 0;
}
return 1;
}
static int override_key_update(struct helper *h, struct helper_local *hl)
{
QUIC_CHANNEL *ch = ossl_quic_conn_get_channel(h->c_conn);
ossl_quic_channel_set_txku_threshold_override(ch, hl->check_op->arg2);
return 1;
}
static int trigger_key_update(struct helper *h, struct helper_local *hl)
{
if (!TEST_true(SSL_key_update(h->c_conn, SSL_KEY_UPDATE_REQUESTED)))
return 0;
return 1;
}
static int check_key_update_ge(struct helper *h, struct helper_local *hl)
{
QUIC_CHANNEL *ch = ossl_quic_conn_get_channel(h->c_conn);
int64_t txke = (int64_t)ossl_quic_channel_get_tx_key_epoch(ch);
int64_t rxke = (int64_t)ossl_quic_channel_get_rx_key_epoch(ch);
int64_t diff = txke - rxke;
/*
* TXKE must always be equal to or ahead of RXKE.
* It can be ahead of RXKE by at most 1.
*/
if (!TEST_int64_t_ge(diff, 0) || !TEST_int64_t_le(diff, 1))
return 0;
/* Caller specifies a minimum number of RXKEs which must have happened. */
if (!TEST_uint64_t_ge((uint64_t)rxke, hl->check_op->arg2))
return 0;
return 1;
}
static int check_key_update_lt(struct helper *h, struct helper_local *hl)
{
QUIC_CHANNEL *ch = ossl_quic_conn_get_channel(h->c_conn);
uint64_t txke = ossl_quic_channel_get_tx_key_epoch(ch);
/* Caller specifies a maximum number of TXKEs which must have happened. */
if (!TEST_uint64_t_lt(txke, hl->check_op->arg2))
return 0;
return 1;
}
static unsigned long stream_info_hash(const STREAM_INFO *info)
{
return OPENSSL_LH_strhash(info->name);
}
static int stream_info_cmp(const STREAM_INFO *a, const STREAM_INFO *b)
{
return strcmp(a->name, b->name);
}
static void cleanup_stream(STREAM_INFO *info)
{
SSL_free(info->c_stream);
OPENSSL_free(info);
}
static void helper_cleanup_streams(LHASH_OF(STREAM_INFO) **lh)
{
if (*lh == NULL)
return;
lh_STREAM_INFO_doall(*lh, cleanup_stream);
lh_STREAM_INFO_free(*lh);
*lh = NULL;
}
#if defined(OPENSSL_THREADS)
static CRYPTO_THREAD_RETVAL run_script_child_thread(void *arg);
static int join_threads(struct child_thread_args *threads, size_t num_threads)
{
int ok = 1;
size_t i;
CRYPTO_THREAD_RETVAL rv;
for (i = 0; i < num_threads; ++i) {
if (threads[i].t != NULL) {
ossl_crypto_thread_native_join(threads[i].t, &rv);
if (!threads[i].testresult)
/* Do not log failure here, worker will do it. */
ok = 0;
ossl_crypto_thread_native_clean(threads[i].t);
threads[i].t = NULL;
}
ossl_crypto_mutex_free(&threads[i].m);
}
return ok;
}
static int join_server_thread(struct helper *h)
{
CRYPTO_THREAD_RETVAL rv;
if (h->server_thread.t == NULL)
return 1;
ossl_crypto_mutex_lock(h->server_thread.m);
h->server_thread.stop = 1;
ossl_crypto_mutex_unlock(h->server_thread.m);
ossl_crypto_condvar_signal(h->server_thread.c);
ossl_crypto_thread_native_join(h->server_thread.t, &rv);
ossl_crypto_thread_native_clean(h->server_thread.t);
h->server_thread.t = NULL;
return 1;
}
/* Ensure the server-state lock is currently held. Idempotent. */
static int *s_checked_out_p(struct helper *h, int thread_idx)
{
return (thread_idx < 0) ? &h->s_checked_out
: &h->threads[thread_idx].s_checked_out;
}
static QUIC_TSERVER *s_lock(struct helper *h, struct helper_local *hl)
{
int *p_checked_out = s_checked_out_p(h, hl->thread_idx);
if (h->server_thread.m == NULL || *p_checked_out)
return h->s;
ossl_crypto_mutex_lock(h->server_thread.m);
h->s = h->s_priv;
*p_checked_out = 1;
return h->s;
}
/* Ensure the server-state lock is currently not held. Idempotent. */
static void s_unlock(struct helper *h, struct helper_local *hl)
{
int *p_checked_out = s_checked_out_p(h, hl->thread_idx);
if (h->server_thread.m == NULL || !*p_checked_out)
return;
*p_checked_out = 0;
h->s = NULL;
ossl_crypto_mutex_unlock(h->server_thread.m);
}
static unsigned int server_helper_thread(void *arg)
{
struct helper *h = arg;
ossl_crypto_mutex_lock(h->server_thread.m);
for (;;) {
int ready, stop;
ready = h->server_thread.ready;
stop = h->server_thread.stop;
if (stop)
break;
if (!ready) {
ossl_crypto_condvar_wait(h->server_thread.c, h->server_thread.m);
continue;
}
ossl_quic_tserver_tick(h->s_priv);
ossl_crypto_mutex_unlock(h->server_thread.m);
/*
* Give the main thread an opportunity to get the mutex, which is
* sometimes necessary in some script operations.
*/
OSSL_sleep(1);
ossl_crypto_mutex_lock(h->server_thread.m);
}
ossl_crypto_mutex_unlock(h->server_thread.m);
return 1;
}
#else
static QUIC_TSERVER *s_lock(struct helper *h, struct helper_local *hl)
{
return h->s;
}
static void s_unlock(struct helper *h, struct helper_local *hl)
{}
#endif
static void helper_cleanup(struct helper *h)
{
#if defined(OPENSSL_THREADS)
join_threads(h->threads, h->num_threads);
join_server_thread(h);
OPENSSL_free(h->threads);
h->threads = NULL;
h->num_threads = 0;
#endif
if (h->free_order == 0) {
/* order 0: streams, then conn */
helper_cleanup_streams(&h->c_streams);
SSL_free(h->c_conn);
h->c_conn = NULL;
} else {
/* order 1: conn, then streams */
SSL_free(h->c_conn);
h->c_conn = NULL;
helper_cleanup_streams(&h->c_streams);
}
helper_cleanup_streams(&h->s_streams);
ossl_quic_tserver_free(h->s_priv);
h->s_priv = h->s = NULL;
BIO_free(h->s_net_bio_own);
h->s_net_bio_own = NULL;
BIO_free(h->c_net_bio_own);
h->c_net_bio_own = NULL;
BIO_free(h->s_qtf_wbio_own);
h->s_qtf_wbio_own = NULL;
qtest_fault_free(h->qtf);
h->qtf = NULL;
if (h->s_fd >= 0) {
BIO_closesocket(h->s_fd);
h->s_fd = -1;
}
if (h->c_fd >= 0) {
BIO_closesocket(h->c_fd);
h->c_fd = -1;
}
BIO_ADDR_free(h->s_net_bio_addr);
h->s_net_bio_addr = NULL;
BIO_ADDR_free(h->s_net_bio_orig_addr);
h->s_net_bio_orig_addr = NULL;
SSL_CTX_free(h->c_ctx);
h->c_ctx = NULL;
CRYPTO_THREAD_lock_free(h->time_lock);
h->time_lock = NULL;
#if defined(OPENSSL_THREADS)
ossl_crypto_mutex_free(&h->misc_m);
ossl_crypto_condvar_free(&h->misc_cv);
ossl_crypto_mutex_free(&h->server_thread.m);
ossl_crypto_condvar_free(&h->server_thread.c);
#endif
}
static int helper_init(struct helper *h, int free_order, int blocking,
int need_injector)
{
struct in_addr ina = {0};
QUIC_TSERVER_ARGS s_args = {0};
union BIO_sock_info_u info;
memset(h, 0, sizeof(*h));
h->c_fd = -1;
h->s_fd = -1;
h->free_order = free_order;
h->blocking = blocking;
h->need_injector = need_injector;
h->time_slip = ossl_time_zero();
if (!TEST_ptr(h->time_lock = CRYPTO_THREAD_lock_new()))
goto err;
if (!TEST_ptr(h->s_streams = lh_STREAM_INFO_new(stream_info_hash,
stream_info_cmp)))
goto err;
if (!TEST_ptr(h->c_streams = lh_STREAM_INFO_new(stream_info_hash,
stream_info_cmp)))
goto err;
ina.s_addr = htonl(0x7f000001UL);
h->s_fd = BIO_socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP, 0);
if (!TEST_int_ge(h->s_fd, 0))
goto err;
if (!TEST_true(BIO_socket_nbio(h->s_fd, 1)))
goto err;
if (!TEST_ptr(h->s_net_bio_orig_addr = BIO_ADDR_new())
|| !TEST_ptr(h->s_net_bio_addr = BIO_ADDR_new()))
goto err;
if (!TEST_true(BIO_ADDR_rawmake(h->s_net_bio_orig_addr, AF_INET,
&ina, sizeof(ina), 0)))
goto err;
if (!TEST_true(BIO_bind(h->s_fd, h->s_net_bio_orig_addr, 0)))
goto err;
info.addr = h->s_net_bio_addr;
if (!TEST_true(BIO_sock_info(h->s_fd, BIO_SOCK_INFO_ADDRESS, &info)))
goto err;
if (!TEST_int_gt(BIO_ADDR_rawport(h->s_net_bio_addr), 0))
goto err;
if (!TEST_ptr(h->s_net_bio = h->s_net_bio_own = BIO_new_dgram(h->s_fd, 0)))
goto err;
if (!BIO_up_ref(h->s_net_bio))
goto err;
if (need_injector) {
h->s_qtf_wbio = h->s_qtf_wbio_own = BIO_new(qtest_get_bio_method());
if (!TEST_ptr(h->s_qtf_wbio))
goto err;
if (!TEST_ptr(BIO_push(h->s_qtf_wbio, h->s_net_bio)))
goto err;
s_args.net_wbio = h->s_qtf_wbio;
} else {
s_args.net_wbio = h->s_net_bio;
}
s_args.net_rbio = h->s_net_bio;
s_args.alpn = NULL;
s_args.now_cb = get_time;
s_args.now_cb_arg = h;
s_args.ctx = NULL;
if (!TEST_ptr(h->s_priv = ossl_quic_tserver_new(&s_args, certfile, keyfile)))
goto err;
if (!blocking)
h->s = h->s_priv;
if (need_injector) {
h->qtf = qtest_create_injector(h->s_priv);
if (!TEST_ptr(h->qtf))
goto err;
BIO_set_data(h->s_qtf_wbio, h->qtf);
}
h->s_net_bio_own = NULL;
h->s_qtf_wbio_own = NULL;
h->c_fd = BIO_socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP, 0);
if (!TEST_int_ge(h->c_fd, 0))
goto err;
if (!TEST_true(BIO_socket_nbio(h->c_fd, 1)))
goto err;
if (!TEST_ptr(h->c_net_bio = h->c_net_bio_own = BIO_new_dgram(h->c_fd, 0)))
goto err;
if (!TEST_true(BIO_dgram_set_peer(h->c_net_bio, h->s_net_bio_addr)))
goto err;
if (!TEST_ptr(h->c_ctx = SSL_CTX_new(OSSL_QUIC_client_method())))
goto err;
if (!TEST_ptr(h->c_conn = SSL_new(h->c_ctx)))
goto err;
/* Use custom time function for virtual time skip. */
if (!TEST_true(ossl_quic_conn_set_override_now_cb(h->c_conn, get_time, h)))
goto err;
/* Takes ownership of our reference to the BIO. */
SSL_set0_rbio(h->c_conn, h->c_net_bio);
h->c_net_bio_own = NULL;
if (!TEST_true(BIO_up_ref(h->c_net_bio)))
goto err;
SSL_set0_wbio(h->c_conn, h->c_net_bio);
if (!TEST_true(SSL_set_blocking_mode(h->c_conn, h->blocking)))
goto err;
#if defined(OPENSSL_THREADS)
if (!TEST_ptr(h->misc_m = ossl_crypto_mutex_new()))
goto err;
if (!TEST_ptr(h->misc_cv = ossl_crypto_condvar_new()))
goto err;
#endif
if (h->blocking) {
#if defined(OPENSSL_THREADS)
if (!TEST_ptr(h->server_thread.m = ossl_crypto_mutex_new()))
goto err;
if (!TEST_ptr(h->server_thread.c = ossl_crypto_condvar_new()))
goto err;
h->server_thread.t
= ossl_crypto_thread_native_start(server_helper_thread, h, 1);
if (!TEST_ptr(h->server_thread.t))
goto err;
#else
TEST_error("cannot support blocking mode without threads");
goto err;
#endif
}
h->start_time = ossl_time_now();
h->init = 1;
return 1;
err:
helper_cleanup(h);
return 0;
}
static int helper_local_init(struct helper_local *hl, struct helper *h,
int thread_idx)
{
hl->h = h;
hl->c_streams = NULL;
hl->thread_idx = thread_idx;
if (!TEST_ptr(h))
return 0;
if (thread_idx < 0) {
hl->c_streams = h->c_streams;
} else {
if (!TEST_ptr(hl->c_streams = lh_STREAM_INFO_new(stream_info_hash,
stream_info_cmp)))
return 0;
}
return 1;
}
static void helper_local_cleanup(struct helper_local *hl)
{
if (hl->h == NULL)
return;
if (hl->thread_idx >= 0)
helper_cleanup_streams(&hl->c_streams);
hl->h = NULL;
}
static STREAM_INFO *get_stream_info(LHASH_OF(STREAM_INFO) *lh,
const char *stream_name)
{
STREAM_INFO key, *info;
if (!TEST_ptr(stream_name))
return NULL;
if (!strcmp(stream_name, "DEFAULT"))
return NULL;
key.name = stream_name;
info = lh_STREAM_INFO_retrieve(lh, &key);
if (info == NULL) {
info = OPENSSL_zalloc(sizeof(*info));
if (info == NULL)
return NULL;
info->name = stream_name;
info->s_stream_id = UINT64_MAX;
lh_STREAM_INFO_insert(lh, info);
}
return info;
}
static int helper_local_set_c_stream(struct helper_local *hl,
const char *stream_name,
SSL *c_stream)
{
STREAM_INFO *info = get_stream_info(hl->c_streams, stream_name);
if (info == NULL)
return 0;
info->c_stream = c_stream;
info->s_stream_id = UINT64_MAX;
return 1;
}
static SSL *helper_local_get_c_stream(struct helper_local *hl,
const char *stream_name)
{
STREAM_INFO *info;
if (!strcmp(stream_name, "DEFAULT"))
return hl->h->c_conn;
info = get_stream_info(hl->c_streams, stream_name);
if (info == NULL)
return NULL;
return info->c_stream;
}
static int
helper_set_s_stream(struct helper *h, const char *stream_name,
uint64_t s_stream_id)
{
STREAM_INFO *info;
if (!strcmp(stream_name, "DEFAULT"))
return 0;
info = get_stream_info(h->s_streams, stream_name);
if (info == NULL)
return 0;
info->c_stream = NULL;
info->s_stream_id = s_stream_id;
return 1;
}
static uint64_t helper_get_s_stream(struct helper *h, const char *stream_name)
{
STREAM_INFO *info;
if (!strcmp(stream_name, "DEFAULT"))
return UINT64_MAX;
info = get_stream_info(h->s_streams, stream_name);
if (info == NULL)
return UINT64_MAX;
return info->s_stream_id;
}
static int helper_packet_plain_listener(QTEST_FAULT *qtf, QUIC_PKT_HDR *hdr,
unsigned char *buf, size_t buf_len,
void *arg)
{
struct helper *h = arg;
return h->qtf_packet_plain_cb(h, hdr, buf, buf_len);
}
static int helper_handshake_listener(QTEST_FAULT *fault,
unsigned char *buf, size_t buf_len,
void *arg)
{
struct helper *h = arg;
return h->qtf_handshake_cb(h, buf, buf_len);
}
static int helper_datagram_listener(QTEST_FAULT *fault,
BIO_MSG *msg, size_t stride,
void *arg)
{
struct helper *h = arg;
return h->qtf_datagram_cb(h, msg, stride);
}
static int is_want(SSL *s, int ret)
{
int ec = SSL_get_error(s, ret);
return ec == SSL_ERROR_WANT_READ || ec == SSL_ERROR_WANT_WRITE;
}
static int check_consistent_want(SSL *s, int ret)
{
int ec = SSL_get_error(s, ret);
int w = SSL_want(s);
int ok = TEST_true(
(ec == SSL_ERROR_NONE && w == SSL_NOTHING)
|| (ec == SSL_ERROR_ZERO_RETURN && w == SSL_NOTHING)
|| (ec == SSL_ERROR_SSL && w == SSL_NOTHING)
|| (ec == SSL_ERROR_SYSCALL && w == SSL_NOTHING)
|| (ec == SSL_ERROR_WANT_READ && w == SSL_READING)
|| (ec == SSL_ERROR_WANT_WRITE && w == SSL_WRITING)
|| (ec == SSL_ERROR_WANT_CLIENT_HELLO_CB && w == SSL_CLIENT_HELLO_CB)
|| (ec == SSL_ERROR_WANT_X509_LOOKUP && w == SSL_X509_LOOKUP)
|| (ec == SSL_ERROR_WANT_RETRY_VERIFY && w == SSL_RETRY_VERIFY)
);
if (!ok)
TEST_error("got error=%d, want=%d", ec, w);
return ok;
}
static int run_script_worker(struct helper *h, const struct script_op *script,
const char *script_name,
int thread_idx)
{
int testresult = 0;
unsigned char *tmp_buf = NULL;
int connect_started = 0;
size_t offset = 0;
size_t op_idx = 0;
const struct script_op *op = NULL;
int no_advance = 0, first = 1;
#if defined(OPENSSL_THREADS)
int end_wait_warning = 0;