#include "internal/quic_error.h"
#include "internal/time.h"
+typedef struct qctx_st QCTX;
+
static void aon_write_finish(QUIC_XSO *xso);
static int create_channel(QUIC_CONNECTION *qc);
static QUIC_XSO *create_xso_from_stream(QUIC_CONNECTION *qc, QUIC_STREAM *qs);
-static int qc_try_create_default_xso_for_write(QUIC_CONNECTION *qc);
-static int qc_wait_for_default_xso_for_read(QUIC_CONNECTION *qc);
+static int qc_try_create_default_xso_for_write(QCTX *ctx);
+static int qc_wait_for_default_xso_for_read(QCTX *ctx);
static void quic_lock(QUIC_CONNECTION *qc);
static void quic_unlock(QUIC_CONNECTION *qc);
-static int quic_do_handshake(QUIC_CONNECTION *qc);
+static int quic_do_handshake(QCTX *ctx);
static void qc_update_reject_policy(QUIC_CONNECTION *qc);
static void qc_touch_default_xso(QUIC_CONNECTION *qc);
static void qc_set_default_xso(QUIC_CONNECTION *qc, QUIC_XSO *xso, int touch);
-static SSL *quic_conn_stream_new(QUIC_CONNECTION *qc, uint64_t flags,
- int need_lock);
+static void qc_set_default_xso_keep_ref(QUIC_CONNECTION *qc, QUIC_XSO *xso,
+ int touch, QUIC_XSO **old_xso);
+static SSL *quic_conn_stream_new(QCTX *ctx, uint64_t flags, int need_lock);
+static int quic_validate_for_write(QUIC_XSO *xso, int *err);
+static int quic_mutation_allowed(QUIC_CONNECTION *qc, int req_active);
/*
* QUIC Front-End I/O API: Common Utilities
assert(qc->ch != NULL);
+ /*
+ * Any attempt to block auto-disables tick inhibition as otherwise we will
+ * hang around forever.
+ */
+ ossl_quic_channel_set_inhibit_tick(qc->ch, 0);
+
rtor = ossl_quic_channel_get_reactor(qc->ch);
return ossl_quic_reactor_block_until_pred(rtor, pred, pred_arg, flags,
qc->mutex);
}
+static OSSL_TIME get_time(QUIC_CONNECTION *qc)
+{
+ if (qc->override_now_cb != NULL)
+ return qc->override_now_cb(qc->override_now_cb_arg);
+ else
+ return ossl_time_now();
+}
+
+static OSSL_TIME get_time_cb(void *arg)
+{
+ QUIC_CONNECTION *qc = arg;
+
+ return get_time(qc);
+}
+
+/*
+ * QCTX is a utility structure which provides information we commonly wish to
+ * unwrap upon an API call being dispatched to us, namely:
+ *
+ * - a pointer to the QUIC_CONNECTION (regardless of whether a QCSO or QSSO
+ * was passed);
+ * - a pointer to any applicable QUIC_XSO (e.g. if a QSSO was passed, or if
+ * a QCSO with a default stream was passed);
+ * - whether a QSSO was passed (xso == NULL must not be used to determine this
+ * because it may be non-NULL when a QCSO is passed if that QCSO has a
+ * default stream).
+ */
+struct qctx_st {
+ QUIC_CONNECTION *qc;
+ QUIC_XSO *xso;
+ int is_stream;
+};
+
/*
* Raise a 'normal' error, meaning one that can be reported via SSL_get_error()
- * rather than via ERR.
+ * rather than via ERR. Note that normal errors must always be raised while
+ * holding a lock.
*/
-static int quic_raise_normal_error(QUIC_CONNECTION *qc,
+QUIC_NEEDS_LOCK
+static int quic_raise_normal_error(QCTX *ctx,
int err)
{
- qc->last_error = err;
+ if (ctx->is_stream)
+ ctx->xso->last_error = err;
+ else
+ ctx->qc->last_error = err;
+
return 0;
}
* not known NULL may be passed. This should generally only happen when an
* expect_...() function defined below fails, which generally indicates a
* dispatch error or caller error.
+ *
+ * ctx should be NULL if the connection lock is not held.
*/
-static int quic_raise_non_normal_error(QUIC_CONNECTION *qc,
+static int quic_raise_non_normal_error(QCTX *ctx,
const char *file,
int line,
const char *func,
{
va_list args;
+ if (ctx != NULL) {
+ if (ctx->is_stream && ctx->xso != NULL)
+ ctx->xso->last_error = SSL_ERROR_SSL;
+ else if (!ctx->is_stream && ctx->qc != NULL)
+ ctx->qc->last_error = SSL_ERROR_SSL;
+
+ if (reason == SSL_R_PROTOCOL_IS_SHUTDOWN && ctx->qc != NULL)
+ ossl_quic_channel_restore_err_state(ctx->qc->ch);
+ }
+
ERR_new();
ERR_set_debug(file, line, func);
ERR_vset_error(ERR_LIB_SSL, reason, fmt, args);
va_end(args);
- if (qc != NULL)
- qc->last_error = SSL_ERROR_SSL;
-
return 0;
}
-#define QUIC_RAISE_NORMAL_ERROR(qc, err) \
- quic_raise_normal_error((qc), (err))
+#define QUIC_RAISE_NORMAL_ERROR(ctx, err) \
+ quic_raise_normal_error((ctx), (err))
-#define QUIC_RAISE_NON_NORMAL_ERROR(qc, reason, msg) \
- quic_raise_non_normal_error((qc), \
+#define QUIC_RAISE_NON_NORMAL_ERROR(ctx, reason, msg) \
+ quic_raise_non_normal_error((ctx), \
OPENSSL_FILE, OPENSSL_LINE, \
OPENSSL_FUNC, \
(reason), \
(msg))
-/*
- * QCTX is a utility structure which provides information we commonly wish to
- * unwrap upon an API call being dispatched to us, namely:
- *
- * - a pointer to the QUIC_CONNECTION (regardless of whether a QCSO or QSSO
- * was passed);
- * - a pointer to any applicable QUIC_XSO (e.g. if a QSSO was passed, or if
- * a QCSO with a default stream was passed);
- * - whether a QSSO was passed (xso == NULL must not be used to determine this
- * because it may be non-NULL when a QCSO is passed if that QCSO has a
- * default stream).
- */
-typedef struct qctx_st {
- QUIC_CONNECTION *qc;
- QUIC_XSO *xso;
- int is_stream;
-} QCTX;
-
/*
* Given a QCSO or QSSO, initialises a QCTX, determining the contextually
* applicable QUIC_CONNECTION pointer and, if applicable, QUIC_XSO pointer.
quic_lock(ctx->qc);
if (ctx->xso == NULL && remote_init >= 0) {
- if (ossl_quic_channel_is_term_any(ctx->qc->ch)) {
- QUIC_RAISE_NON_NORMAL_ERROR(ctx->qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ if (!quic_mutation_allowed(ctx->qc, /*req_active=*/0)) {
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
goto err;
}
/* If we haven't finished the handshake, try to advance it. */
- if (quic_do_handshake(ctx->qc) < 1)
+ if (quic_do_handshake(ctx) < 1)
/* ossl_quic_do_handshake raised error here */
goto err;
if (remote_init == 0) {
- if (!qc_try_create_default_xso_for_write(ctx->qc))
+ if (!qc_try_create_default_xso_for_write(ctx))
goto err;
} else {
- if (!qc_wait_for_default_xso_for_read(ctx->qc))
+ if (!qc_wait_for_default_xso_for_read(ctx))
goto err;
}
}
if (ctx->xso == NULL) {
- QUIC_RAISE_NON_NORMAL_ERROR(ctx->qc, SSL_R_NO_STREAM, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_NO_STREAM, NULL);
goto err;
}
return 0;
if (ctx->is_stream)
- return QUIC_RAISE_NON_NORMAL_ERROR(ctx->qc, SSL_R_CONN_USE_ONLY, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_CONN_USE_ONLY, NULL);
return 1;
}
*/
static void quic_lock(QUIC_CONNECTION *qc)
{
+#if defined(OPENSSL_THREADS)
ossl_crypto_mutex_lock(qc->mutex);
+#endif
}
/* Precondition: Channel mutex is held (unchecked) */
QUIC_NEEDS_LOCK
static void quic_unlock(QUIC_CONNECTION *qc)
{
+#if defined(OPENSSL_THREADS)
ossl_crypto_mutex_unlock(qc->mutex);
+#endif
}
+/*
+ * This predicate is the criterion which should determine API call rejection for
+ * *most* mutating API calls, particularly stream-related operations for send
+ * parts.
+ *
+ * A call is rejected (this function returns 0) if shutdown is in progress
+ * (stream flushing), or we are in a TERMINATING or TERMINATED state. If
+ * req_active=1, the connection must be active (i.e., the IDLE state is also
+ * rejected).
+ */
+static int quic_mutation_allowed(QUIC_CONNECTION *qc, int req_active)
+{
+ if (qc->shutting_down || ossl_quic_channel_is_term_any(qc->ch))
+ return 0;
+
+ if (req_active && !ossl_quic_channel_is_active(qc->ch))
+ return 0;
+
+ return 1;
+}
/*
* QUIC Front-End I/O API: Initialization
* ossl_quic_deinit
* SSL_free => ossl_quic_free
*
+ * SSL_set_options => ossl_quic_set_options
+ * SSL_get_options => ossl_quic_get_options
+ * SSL_clear_options => ossl_quic_clear_options
+ *
*/
/* SSL_new */
if (qc->tls == NULL || (sc = SSL_CONNECTION_FROM_SSL(qc->tls)) == NULL)
goto err;
+ /* override the user_ssl of the inner connection */
+ sc->s3.flags |= TLS1_FLAGS_QUIC;
+
+ /* Restrict options derived from the SSL_CTX. */
+ sc->options &= OSSL_QUIC_PERMITTED_OPTIONS_CONN;
+ sc->pha_enabled = 0;
+
+#if defined(OPENSSL_THREADS)
if ((qc->mutex = ossl_crypto_mutex_new()) == NULL)
goto err;
+#endif
+#if !defined(OPENSSL_NO_QUIC_THREAD_ASSIST)
qc->is_thread_assisted
= (ssl_base->method == OSSL_QUIC_client_thread_method());
+#endif
- qc->as_server = 0; /* TODO(QUIC): server support */
+ qc->as_server = 0; /* TODO(QUIC SERVER): add server support */
qc->as_server_state = qc->as_server;
qc->default_stream_mode = SSL_DEFAULT_STREAM_MODE_AUTO_BIDI;
qc->default_ssl_mode = qc->ssl.ctx->mode;
+ qc->default_ssl_options = qc->ssl.ctx->options & OSSL_QUIC_PERMITTED_OPTIONS;
qc->default_blocking = 1;
- qc->incoming_stream_reject_policy
- = SSL_INCOMING_STREAM_REJECT_POLICY_AUTO;
+ qc->blocking = 1;
+ qc->incoming_stream_policy = SSL_INCOMING_STREAM_POLICY_AUTO;
qc->last_error = SSL_ERROR_NONE;
if (!create_channel(qc))
goto err;
+ ossl_quic_channel_set_msg_callback(qc->ch, ctx->msg_callback, ssl_base);
+ ossl_quic_channel_set_msg_callback_arg(qc->ch, ctx->msg_callback_arg);
+
qc_update_reject_policy(qc);
/*
err:
if (qc != NULL) {
+#if defined(OPENSSL_THREADS)
+ ossl_crypto_mutex_free(qc->mutex);
+#endif
ossl_quic_channel_free(qc->ch);
SSL_free(qc->tls);
}
void ossl_quic_free(SSL *s)
{
QCTX ctx;
+ int is_default;
/* We should never be called on anything but a QSO. */
if (!expect_quic(s, &ctx))
return;
+ quic_lock(ctx.qc);
+
if (ctx.is_stream) {
/*
* When a QSSO is freed, the XSO is freed immediately, because the XSO
* as deleted for later collection.
*/
- quic_lock(ctx.qc);
-
assert(ctx.qc->num_xso > 0);
--ctx.qc->num_xso;
- ctx.xso->stream->deleted = 1;
+ /* If a stream's send part has not been finished, auto-reset it. */
+ if (( ctx.xso->stream->send_state == QUIC_SSTREAM_STATE_READY
+ || ctx.xso->stream->send_state == QUIC_SSTREAM_STATE_SEND)
+ && !ossl_quic_sstream_get_final_size(ctx.xso->stream->sstream, NULL))
+ ossl_quic_stream_map_reset_stream_send_part(ossl_quic_channel_get_qsm(ctx.qc->ch),
+ ctx.xso->stream, 0);
- /* Auto-conclude stream. */
- /* TODO(QUIC): Do RESET_STREAM here instead of auto-conclude */
- if (ctx.xso->stream->sstream != NULL)
- ossl_quic_sstream_fin(ctx.xso->stream->sstream);
+ /* Do STOP_SENDING for the receive part, if applicable. */
+ if ( ctx.xso->stream->recv_state == QUIC_RSTREAM_STATE_RECV
+ || ctx.xso->stream->recv_state == QUIC_RSTREAM_STATE_SIZE_KNOWN)
+ ossl_quic_stream_map_stop_sending_recv_part(ossl_quic_channel_get_qsm(ctx.qc->ch),
+ ctx.xso->stream, 0);
/* Update stream state. */
- ossl_quic_stream_map_update_state(ossl_quic_channel_get_qsm(ctx.xso->conn->ch),
+ ctx.xso->stream->deleted = 1;
+ ossl_quic_stream_map_update_state(ossl_quic_channel_get_qsm(ctx.qc->ch),
ctx.xso->stream);
+ is_default = (ctx.xso == ctx.qc->default_xso);
quic_unlock(ctx.qc);
+ /*
+ * Unref the connection in most cases; the XSO has a ref to the QC and
+ * not vice versa. But for a default XSO, to avoid circular references,
+ * the QC refs the XSO but the XSO does not ref the QC. If we are the
+ * default XSO, we only get here when the QC is being torn down anyway,
+ * so don't call SSL_free(qc) as we are already in it.
+ */
+ if (!is_default)
+ SSL_free(&ctx.qc->ssl);
+
/* Note: SSL_free calls OPENSSL_free(xso) for us */
return;
}
- quic_lock(ctx.qc);
-
/*
* Free the default XSO, if any. The QUIC_STREAM is not deleted at this
* stage, but is freed during the channel free when the whole QSM is freed.
quic_unlock(ctx.qc);
SSL_free(&xso->ssl);
quic_lock(ctx.qc);
+ ctx.qc->default_xso = NULL;
}
/* Ensure we have no remaining XSOs. */
assert(ctx.qc->num_xso == 0);
+#if !defined(OPENSSL_NO_QUIC_THREAD_ASSIST)
if (ctx.qc->is_thread_assisted && ctx.qc->started) {
ossl_quic_thread_assist_wait_stopped(&ctx.qc->thread_assist);
ossl_quic_thread_assist_cleanup(&ctx.qc->thread_assist);
}
+#endif
ossl_quic_channel_free(ctx.qc->ch);
/* Note: SSL_free calls OPENSSL_free(qc) for us */
SSL_free(ctx.qc->tls);
- ossl_crypto_mutex_free(&ctx.qc->mutex); /* freed while still locked */
+ quic_unlock(ctx.qc); /* tsan doesn't like freeing locked mutexes */
+#if defined(OPENSSL_THREADS)
+ ossl_crypto_mutex_free(&ctx.qc->mutex);
+#endif
}
/* SSL method init */
/* No-op. */
}
-/* SSL_reset */
+/* SSL_clear (ssl_reset method) */
int ossl_quic_reset(SSL *s)
{
QCTX ctx;
if (!expect_quic(s, &ctx))
return 0;
- /* TODO(QUIC); Currently a no-op. */
- return 1;
+ /* Not supported. */
+ return 0;
}
-/* SSL_clear */
+/* ssl_clear method (unused) */
int ossl_quic_clear(SSL *s)
{
QCTX ctx;
if (!expect_quic(s, &ctx))
return 0;
- /* TODO(QUIC): Currently a no-op. */
+ /* TODO(QUIC FUTURE): Currently a no-op. */
return 1;
}
-void ossl_quic_conn_set_override_now_cb(SSL *s,
- OSSL_TIME (*now_cb)(void *arg),
- void *now_cb_arg)
+int ossl_quic_conn_set_override_now_cb(SSL *s,
+ OSSL_TIME (*now_cb)(void *arg),
+ void *now_cb_arg)
{
QCTX ctx;
if (!expect_quic(s, &ctx))
- return;
+ return 0;
+
+ quic_lock(ctx.qc);
ctx.qc->override_now_cb = now_cb;
ctx.qc->override_now_cb_arg = now_cb_arg;
+
+ quic_unlock(ctx.qc);
+ return 1;
}
void ossl_quic_conn_force_assist_thread_wake(SSL *s)
if (!expect_quic(s, &ctx))
return;
+#if !defined(OPENSSL_NO_QUIC_THREAD_ASSIST)
if (ctx.qc->is_thread_assisted && ctx.qc->started)
ossl_quic_thread_assist_notify_deadline_changed(&ctx.qc->thread_assist);
+#endif
}
QUIC_NEEDS_LOCK
qc_update_reject_policy(qc);
}
+/*
+ * Changes default XSO. Allows caller to keep reference to the old default XSO
+ * (if any). Reference to new XSO is transferred from caller.
+ */
QUIC_NEEDS_LOCK
-static void qc_set_default_xso(QUIC_CONNECTION *qc, QUIC_XSO *xso, int touch)
+static void qc_set_default_xso_keep_ref(QUIC_CONNECTION *qc, QUIC_XSO *xso,
+ int touch,
+ QUIC_XSO **old_xso)
{
- qc->default_xso = xso;
+ int refs;
+
+ *old_xso = NULL;
+
+ if (qc->default_xso != xso) {
+ *old_xso = qc->default_xso; /* transfer old XSO ref to caller */
+
+ qc->default_xso = xso;
+
+ if (xso == NULL) {
+ /*
+ * Changing to not having a default XSO. XSO becomes standalone and
+ * now has a ref to the QC.
+ */
+ if (!ossl_assert(SSL_up_ref(&qc->ssl)))
+ return;
+ } else {
+ /*
+ * Changing from not having a default XSO to having one. The new XSO
+ * will have had a reference to the QC we need to drop to avoid a
+ * circular reference.
+ *
+ * Currently we never change directly from one default XSO to
+ * another, though this function would also still be correct if this
+ * weren't the case.
+ */
+ assert(*old_xso == NULL);
+
+ CRYPTO_DOWN_REF(&qc->ssl.references, &refs);
+ assert(refs > 0);
+ }
+ }
+
if (touch)
qc_touch_default_xso(qc);
}
+/*
+ * Changes default XSO, releasing the reference to any previous default XSO.
+ * Reference to new XSO is transferred from caller.
+ */
+QUIC_NEEDS_LOCK
+static void qc_set_default_xso(QUIC_CONNECTION *qc, QUIC_XSO *xso, int touch)
+{
+ QUIC_XSO *old_xso = NULL;
+
+ qc_set_default_xso_keep_ref(qc, xso, touch, &old_xso);
+
+ if (old_xso != NULL)
+ SSL_free(&old_xso->ssl);
+}
+
+QUIC_NEEDS_LOCK
+static void xso_update_options(QUIC_XSO *xso)
+{
+ int cleanse = ((xso->ssl_options & SSL_OP_CLEANSE_PLAINTEXT) != 0);
+
+ if (xso->stream->rstream != NULL)
+ ossl_quic_rstream_set_cleanse(xso->stream->rstream, cleanse);
+
+ if (xso->stream->sstream != NULL)
+ ossl_quic_sstream_set_cleanse(xso->stream->sstream, cleanse);
+}
+
+/*
+ * SSL_set_options
+ * ---------------
+ *
+ * Setting options on a QCSO
+ * - configures the handshake-layer options;
+ * - configures the default data-plane options for new streams;
+ * - configures the data-plane options on the default XSO, if there is one.
+ *
+ * Setting options on a QSSO
+ * - configures data-plane options for that stream only.
+ */
+QUIC_TAKES_LOCK
+static uint64_t quic_mask_or_options(SSL *ssl, uint64_t mask_value, uint64_t or_value)
+{
+ QCTX ctx;
+ uint64_t hs_mask_value, hs_or_value, ret;
+
+ if (!expect_quic(ssl, &ctx))
+ return 0;
+
+ quic_lock(ctx.qc);
+
+ if (!ctx.is_stream) {
+ /*
+ * If we were called on the connection, we apply any handshake option
+ * changes.
+ */
+ hs_mask_value = (mask_value & OSSL_QUIC_PERMITTED_OPTIONS_CONN);
+ hs_or_value = (or_value & OSSL_QUIC_PERMITTED_OPTIONS_CONN);
+
+ SSL_clear_options(ctx.qc->tls, hs_mask_value);
+ SSL_set_options(ctx.qc->tls, hs_or_value);
+
+ /* Update defaults for new streams. */
+ ctx.qc->default_ssl_options
+ = ((ctx.qc->default_ssl_options & ~mask_value) | or_value)
+ & OSSL_QUIC_PERMITTED_OPTIONS;
+ }
+
+ if (ctx.xso != NULL) {
+ ctx.xso->ssl_options
+ = ((ctx.xso->ssl_options & ~mask_value) | or_value)
+ & OSSL_QUIC_PERMITTED_OPTIONS_STREAM;
+
+ xso_update_options(ctx.xso);
+ }
+
+ ret = ctx.is_stream ? ctx.xso->ssl_options : ctx.qc->default_ssl_options;
+
+ quic_unlock(ctx.qc);
+ return ret;
+}
+
+uint64_t ossl_quic_set_options(SSL *ssl, uint64_t options)
+{
+ return quic_mask_or_options(ssl, 0, options);
+}
+
+/* SSL_clear_options */
+uint64_t ossl_quic_clear_options(SSL *ssl, uint64_t options)
+{
+ return quic_mask_or_options(ssl, options, 0);
+}
+
+/* SSL_get_options */
+uint64_t ossl_quic_get_options(const SSL *ssl)
+{
+ return quic_mask_or_options((SSL *)ssl, 0, 0);
+}
+
/*
* QUIC Front-End I/O API: Network BIO Configuration
* =================================================
/* Cannot enable blocking mode if we do not have pollable FDs. */
if (blocking != 0 &&
(!ctx.qc->can_poll_net_rbio || !ctx.qc->can_poll_net_wbio))
- return QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_UNSUPPORTED, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_UNSUPPORTED, NULL);
if (!ctx.is_stream) {
/*
return 0;
if (ctx.qc->started)
- return QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED,
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED,
NULL);
if (peer_addr == NULL) {
* QUIC Front-End I/O API: Asynchronous I/O Management
* ===================================================
*
- * (BIO/)SSL_tick => ossl_quic_tick
- * (BIO/)SSL_get_tick_timeout => ossl_quic_get_tick_timeout
+ * (BIO/)SSL_handle_events => ossl_quic_handle_events
+ * (BIO/)SSL_get_event_timeout => ossl_quic_get_event_timeout
* (BIO/)SSL_get_poll_fd => ossl_quic_get_poll_fd
*
*/
&& xso->conn->can_poll_net_wbio;
}
-/* SSL_tick; ticks the reactor. */
+/* SSL_handle_events; performs QUIC I/O and timeout processing. */
QUIC_TAKES_LOCK
-int ossl_quic_tick(SSL *s)
+int ossl_quic_handle_events(SSL *s)
{
QCTX ctx;
}
/*
- * SSL_get_tick_timeout. Get the time in milliseconds until the SSL object
- * should be ticked by the application by calling SSL_tick(). tv is set to 0 if
- * the object should be ticked immediately and tv->tv_sec is set to -1 if no
- * timeout is currently active.
+ * SSL_get_event_timeout. Get the time in milliseconds until the SSL object
+ * should next have events handled by the application by calling
+ * SSL_handle_events(). tv is set to 0 if the object should have events handled
+ * immediately. If no timeout is currently active, *is_infinite is set to 1 and
+ * the value of *tv is undefined.
*/
QUIC_TAKES_LOCK
-int ossl_quic_get_tick_timeout(SSL *s, struct timeval *tv)
+int ossl_quic_get_event_timeout(SSL *s, struct timeval *tv, int *is_infinite)
{
QCTX ctx;
OSSL_TIME deadline = ossl_time_infinite();
= ossl_quic_reactor_get_tick_deadline(ossl_quic_channel_get_reactor(ctx.qc->ch));
if (ossl_time_is_infinite(deadline)) {
- tv->tv_sec = -1;
+ *is_infinite = 1;
+
+ /*
+ * Robustness against faulty applications that don't check *is_infinite;
+ * harmless long timeout.
+ */
+ tv->tv_sec = 1000000;
tv->tv_usec = 0;
+
quic_unlock(ctx.qc);
return 1;
}
- *tv = ossl_time_to_timeval(ossl_time_subtract(deadline, ossl_time_now()));
+ *tv = ossl_time_to_timeval(ossl_time_subtract(deadline, get_time(ctx.qc)));
+ *is_infinite = 0;
quic_unlock(ctx.qc);
return 1;
}
*
*/
+QUIC_NEEDS_LOCK
+static void qc_shutdown_flush_init(QUIC_CONNECTION *qc)
+{
+ QUIC_STREAM_MAP *qsm;
+
+ if (qc->shutting_down)
+ return;
+
+ qsm = ossl_quic_channel_get_qsm(qc->ch);
+
+ ossl_quic_stream_map_begin_shutdown_flush(qsm);
+ qc->shutting_down = 1;
+}
+
+/* Returns 1 if all shutdown-flush streams have been done with. */
+QUIC_NEEDS_LOCK
+static int qc_shutdown_flush_finished(QUIC_CONNECTION *qc)
+{
+ QUIC_STREAM_MAP *qsm = ossl_quic_channel_get_qsm(qc->ch);
+
+ return qc->shutting_down
+ && ossl_quic_stream_map_is_shutdown_flush_finished(qsm);
+}
+
/* SSL_shutdown */
static int quic_shutdown_wait(void *arg)
{
return ossl_quic_channel_is_terminated(qc->ch);
}
+/* Returns 1 if shutdown flush process has finished or is inapplicable. */
+static int quic_shutdown_flush_wait(void *arg)
+{
+ QUIC_CONNECTION *qc = arg;
+
+ return ossl_quic_channel_is_term_any(qc->ch)
+ || qc_shutdown_flush_finished(qc);
+}
+
QUIC_TAKES_LOCK
int ossl_quic_conn_shutdown(SSL *s, uint64_t flags,
const SSL_SHUTDOWN_EX_ARGS *args,
{
int ret;
QCTX ctx;
+ int stream_flush = ((flags & SSL_SHUTDOWN_FLAG_NO_STREAM_FLUSH) == 0);
if (!expect_quic(s, &ctx))
- return 0;
+ return -1;
if (ctx.is_stream)
- /* TODO(QUIC): Semantics currently undefined for QSSOs */
return -1;
quic_lock(ctx.qc);
+ if (ossl_quic_channel_is_terminated(ctx.qc->ch)) {
+ quic_unlock(ctx.qc);
+ return 1;
+ }
+
+ /* Phase 1: Stream Flushing */
+ if (stream_flush) {
+ qc_shutdown_flush_init(ctx.qc);
+
+ if (!qc_shutdown_flush_finished(ctx.qc)) {
+ if (qc_blocking_mode(ctx.qc))
+ block_until_pred(ctx.qc, quic_shutdown_flush_wait, ctx.qc, 0);
+ else
+ ossl_quic_reactor_tick(ossl_quic_channel_get_reactor(ctx.qc->ch), 0);
+ }
+
+ if (!qc_shutdown_flush_finished(ctx.qc)) {
+ quic_unlock(ctx.qc);
+ return 0; /* ongoing */
+ }
+ }
+
+ /* Phase 2: Connection Closure */
ossl_quic_channel_local_close(ctx.qc->ch,
args != NULL ? args->quic_error_code : 0);
- /* TODO(QUIC): !SSL_SHUTDOWN_FLAG_NO_STREAM_FLUSH */
+ SSL_set_shutdown(ctx.qc->tls, SSL_SENT_SHUTDOWN);
if (ossl_quic_channel_is_terminated(ctx.qc->ch)) {
quic_unlock(ctx.qc);
return 1;
}
+ /* Phase 3: Terminating Wait Time */
if (qc_blocking_mode(ctx.qc) && (flags & SSL_SHUTDOWN_FLAG_RAPID) == 0)
block_until_pred(ctx.qc, quic_shutdown_wait, ctx.qc, 0);
else
}
return ctx.qc->default_ssl_mode;
+
+ case SSL_CTRL_SET_MSG_CALLBACK_ARG:
+ ossl_quic_channel_set_msg_callback_arg(ctx.qc->ch, parg);
+ /* This ctrl also needs to be passed to the internal SSL object */
+ return SSL_ctrl(ctx.qc->tls, cmd, larg, parg);
+
+ case DTLS_CTRL_GET_TIMEOUT: /* DTLSv1_get_timeout */
+ {
+ int is_infinite;
+
+ if (!ossl_quic_get_event_timeout(s, parg, &is_infinite))
+ return 0;
+
+ return !is_infinite;
+ }
+ case DTLS_CTRL_HANDLE_TIMEOUT: /* DTLSv1_handle_timeout */
+ /* For legacy compatibility with DTLS calls. */
+ return ossl_quic_handle_events(s) == 1 ? 1 : -1;
default:
/* Probably a TLS related ctrl. Defer to our internal SSL object */
return SSL_ctrl(ctx.qc->tls, cmd, larg, parg);
{
struct quic_handshake_wait_args *args = arg;
- if (!ossl_quic_channel_is_active(args->qc->ch))
+ if (!quic_mutation_allowed(args->qc, /*req_active=*/1))
return -1;
if (ossl_quic_channel_is_handshake_complete(args->qc->ch))
args.is_server = qc->as_server;
args.tls = qc->tls;
args.mutex = qc->mutex;
- args.now_cb = qc->override_now_cb;
- args.now_cb_arg = qc->override_now_cb_arg;
+ args.now_cb = get_time_cb;
+ args.now_cb_arg = qc;
qc->ch = ossl_quic_channel_new(&args);
if (qc->ch == NULL)
|| !ossl_quic_channel_start(qc->ch))
goto err;
+#if !defined(OPENSSL_NO_QUIC_THREAD_ASSIST)
if (qc->is_thread_assisted)
if (!ossl_quic_thread_assist_init_start(&qc->thread_assist, qc->ch))
goto err;
+#endif
}
qc->started = 1;
}
QUIC_NEEDS_LOCK
-static int quic_do_handshake(QUIC_CONNECTION *qc)
+static int quic_do_handshake(QCTX *ctx)
{
int ret;
+ QUIC_CONNECTION *qc = ctx->qc;
if (ossl_quic_channel_is_handshake_complete(qc->ch))
/* Handshake already completed. */
return 1;
- if (ossl_quic_channel_is_term_any(qc->ch))
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ if (!quic_mutation_allowed(qc, /*req_active=*/0))
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
if (BIO_ADDR_family(&qc->init_peer_addr) == AF_UNSPEC) {
/* Peer address must have been set. */
- QUIC_RAISE_NON_NORMAL_ERROR(qc, SSL_R_REMOTE_PEER_ADDRESS_NOT_SET, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_REMOTE_PEER_ADDRESS_NOT_SET, NULL);
return -1; /* Non-protocol error */
}
if (qc->as_server != qc->as_server_state) {
- /* TODO(QUIC): Must match the method used to create the QCSO */
- QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_PASSED_INVALID_ARGUMENT, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_PASSED_INVALID_ARGUMENT, NULL);
return -1; /* Non-protocol error */
}
if (qc->net_rbio == NULL || qc->net_wbio == NULL) {
/* Need read and write BIOs. */
- QUIC_RAISE_NON_NORMAL_ERROR(qc, SSL_R_BIO_NOT_SET, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_BIO_NOT_SET, NULL);
return -1; /* Non-protocol error */
}
* non-blocking mode, which is fine.
*/
if (!ensure_channel_started(qc)) {
- QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
return -1; /* Non-protocol error */
}
args.qc = qc;
ret = block_until_pred(qc, quic_handshake_wait, &args, 0);
- if (!ossl_quic_channel_is_active(qc->ch)) {
- QUIC_RAISE_NON_NORMAL_ERROR(qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ if (!quic_mutation_allowed(qc, /*req_active=*/1)) {
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
return 0; /* Shutdown before completion */
} else if (ret <= 0) {
- QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
return -1; /* Non-protocol error */
}
return 1;
/* Otherwise, indicate that the handshake isn't done yet. */
- QUIC_RAISE_NORMAL_ERROR(qc, SSL_ERROR_WANT_READ);
+ QUIC_RAISE_NORMAL_ERROR(ctx, SSL_ERROR_WANT_READ);
return -1; /* Non-protocol error */
}
}
quic_lock(ctx.qc);
- ret = quic_do_handshake(ctx.qc);
+ ret = quic_do_handshake(&ctx);
quic_unlock(ctx.qc);
return ret;
}
* exists). Note that this is NOT an error condition.
*/
QUIC_NEEDS_LOCK
-static int qc_try_create_default_xso_for_write(QUIC_CONNECTION *qc)
+static int qc_try_create_default_xso_for_write(QCTX *ctx)
{
uint64_t flags = 0;
+ QUIC_CONNECTION *qc = ctx->qc;
if (qc->default_xso_created
|| qc->default_stream_mode == SSL_DEFAULT_STREAM_MODE_NONE)
* We only do this once. If the user detaches a previously created
* default XSO we don't auto-create another one.
*/
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, SSL_R_NO_STREAM, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_NO_STREAM, NULL);
/* Create a locally-initiated stream. */
if (qc->default_stream_mode == SSL_DEFAULT_STREAM_MODE_AUTO_UNI)
flags |= SSL_STREAM_FLAG_UNI;
- qc_set_default_xso(qc, (QUIC_XSO *)quic_conn_stream_new(qc, flags,
+ qc_set_default_xso(qc, (QUIC_XSO *)quic_conn_stream_new(ctx, flags,
/*needs_lock=*/0),
/*touch=*/0);
if (qc->default_xso == NULL)
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
qc_touch_default_xso(qc);
return 1;
struct quic_wait_for_stream_args {
QUIC_CONNECTION *qc;
QUIC_STREAM *qs;
+ QCTX *ctx;
uint64_t expect_id;
};
{
struct quic_wait_for_stream_args *args = arg;
- if (!ossl_quic_channel_is_active(args->qc->ch)) {
+ if (!quic_mutation_allowed(args->qc, /*req_active=*/1)) {
/* If connection is torn down due to an error while blocking, stop. */
- QUIC_RAISE_NON_NORMAL_ERROR(args->qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(args->ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
return -1;
}
args->qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(args->qc->ch),
- args->expect_id);
+ args->expect_id | QUIC_STREAM_DIR_BIDI);
+ if (args->qs == NULL)
+ args->qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(args->qc->ch),
+ args->expect_id | QUIC_STREAM_DIR_UNI);
+
if (args->qs != NULL)
return 1; /* stream now exists */
}
QUIC_NEEDS_LOCK
-static int qc_wait_for_default_xso_for_read(QUIC_CONNECTION *qc)
+static int qc_wait_for_default_xso_for_read(QCTX *ctx)
{
/* Called on a QCSO and we don't currently have a default stream. */
uint64_t expect_id;
+ QUIC_CONNECTION *qc = ctx->qc;
QUIC_STREAM *qs;
int res;
struct quic_wait_for_stream_args wargs;
*/
if (qc->default_xso_created
|| qc->default_stream_mode == SSL_DEFAULT_STREAM_MODE_NONE)
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, SSL_R_NO_STREAM, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_NO_STREAM, NULL);
/*
* The peer may have opened a stream since we last ticked. So tick and
? QUIC_STREAM_INITIATOR_CLIENT
: QUIC_STREAM_INITIATOR_SERVER;
- expect_id |= (qc->default_stream_mode == SSL_DEFAULT_STREAM_MODE_AUTO_UNI)
- ? QUIC_STREAM_DIR_UNI
- : QUIC_STREAM_DIR_BIDI;
-
qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(qc->ch),
- expect_id);
+ expect_id | QUIC_STREAM_DIR_BIDI);
+ if (qs == NULL)
+ qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(qc->ch),
+ expect_id | QUIC_STREAM_DIR_UNI);
+
if (qs == NULL) {
ossl_quic_reactor_tick(ossl_quic_channel_get_reactor(qc->ch), 0);
if (qs == NULL) {
if (!qc_blocking_mode(qc))
/* Non-blocking mode, so just bail immediately. */
- return QUIC_RAISE_NORMAL_ERROR(qc, SSL_ERROR_WANT_READ);
+ return QUIC_RAISE_NORMAL_ERROR(ctx, SSL_ERROR_WANT_READ);
/* Block until we have a stream. */
wargs.qc = qc;
wargs.qs = NULL;
+ wargs.ctx = ctx;
wargs.expect_id = expect_id;
res = block_until_pred(qc, quic_wait_for_stream, &wargs, 0);
if (res == 0)
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
else if (res < 0 || wargs.qs == NULL)
/* quic_wait_for_stream raised error here */
return 0;
*/
qc_set_default_xso(qc, create_xso_from_stream(qc, qs), /*touch=*/0);
if (qc->default_xso == NULL)
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
qc_touch_default_xso(qc); /* inhibits default XSO */
return 1;
if (!ossl_ssl_init(&xso->ssl, qc->ssl.ctx, qc->ssl.method, SSL_TYPE_QUIC_XSO))
goto err;
+ /* XSO refs QC */
+ if (!SSL_up_ref(&qc->ssl))
+ goto err;
+
xso->conn = qc;
xso->blocking = qc->default_blocking;
xso->ssl_mode = qc->default_ssl_mode;
+ xso->ssl_options
+ = qc->default_ssl_options & OSSL_QUIC_PERMITTED_OPTIONS_STREAM;
+ xso->last_error = SSL_ERROR_NONE;
xso->stream = qs;
++qc->num_xso;
+ xso_update_options(xso);
return xso;
err:
}
/* locking depends on need_lock */
-static SSL *quic_conn_stream_new(QUIC_CONNECTION *qc, uint64_t flags,
- int need_lock)
+static SSL *quic_conn_stream_new(QCTX *ctx, uint64_t flags, int need_lock)
{
+ QUIC_CONNECTION *qc = ctx->qc;
QUIC_XSO *xso = NULL;
QUIC_STREAM *qs = NULL;
int is_uni = ((flags & SSL_STREAM_FLAG_UNI) != 0);
if (need_lock)
quic_lock(qc);
- if (ossl_quic_channel_is_term_any(qc->ch)) {
- QUIC_RAISE_NON_NORMAL_ERROR(qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ if (!quic_mutation_allowed(qc, /*req_active=*/0)) {
+ QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
goto err;
}
if (!expect_quic_conn_only(s, &ctx))
return NULL;
- return quic_conn_stream_new(ctx.qc, flags, /*need_lock=*/1);
+ return quic_conn_stream_new(&ctx, flags, /*need_lock=*/1);
}
/*
* (BIO/)SSL_write => ossl_quic_write
* SSL_pending => ossl_quic_pending
* SSL_stream_conclude => ossl_quic_conn_stream_conclude
+ * SSL_key_update => ossl_quic_key_update
*/
/* SSL_get_error */
int ossl_quic_get_error(const SSL *s, int i)
{
QCTX ctx;
+ int net_error, last_error;
if (!expect_quic(s, &ctx))
return 0;
- return ctx.qc->last_error;
+ quic_lock(ctx.qc);
+ net_error = ossl_quic_channel_net_error(ctx.qc->ch);
+ last_error = ctx.is_stream ? ctx.xso->last_error : ctx.qc->last_error;
+ quic_unlock(ctx.qc);
+
+ if (net_error)
+ return SSL_ERROR_SYSCALL;
+
+ return last_error;
}
/*
/*
* Try and send.
*
- * TODO(QUIC): It is probably inefficient to try and do this immediately,
- * plus we should eventually consider Nagle's algorithm.
+ * TODO(QUIC FUTURE): It is probably inefficient to try and do this
+ * immediately, plus we should eventually consider Nagle's algorithm.
*/
if (do_tick)
ossl_quic_reactor_tick(ossl_quic_channel_get_reactor(xso->conn->ch), 0);
const unsigned char *buf;
size_t len;
size_t total_written;
+ int err;
};
QUIC_NEEDS_LOCK
struct quic_write_again_args *args = arg;
size_t actual_written = 0;
- if (!ossl_quic_channel_is_active(args->xso->conn->ch))
+ if (!quic_mutation_allowed(args->xso->conn, /*req_active=*/1))
/* If connection is torn down due to an error while blocking, stop. */
return -2;
+ if (!quic_validate_for_write(args->xso, &args->err))
+ /*
+ * Stream may have become invalid for write due to connection events
+ * while we blocked.
+ */
+ return -2;
+
+ args->err = ERR_R_INTERNAL_ERROR;
if (!ossl_quic_sstream_append(args->xso->stream->sstream,
args->buf, args->len, &actual_written))
return -2;
}
QUIC_NEEDS_LOCK
-static int quic_write_blocking(QUIC_XSO *xso, const void *buf, size_t len,
+static int quic_write_blocking(QCTX *ctx, const void *buf, size_t len,
size_t *written)
{
int res;
+ QUIC_XSO *xso = ctx->xso;
struct quic_write_again_args args;
size_t actual_written = 0;
&actual_written)) {
/* Stream already finished or allocation error. */
*written = 0;
- return QUIC_RAISE_NON_NORMAL_ERROR(xso->conn, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
}
quic_post_write(xso, actual_written > 0, 1);
args.buf = (const unsigned char *)buf + actual_written;
args.len = len - actual_written;
args.total_written = 0;
+ args.err = ERR_R_INTERNAL_ERROR;
res = block_until_pred(xso->conn, quic_write_again, &args, 0);
if (res <= 0) {
- if (!ossl_quic_channel_is_active(xso->conn->ch))
- return QUIC_RAISE_NON_NORMAL_ERROR(xso->conn, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ if (!quic_mutation_allowed(xso->conn, /*req_active=*/1))
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
else
- return QUIC_RAISE_NON_NORMAL_ERROR(xso->conn, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, args.err, NULL);
}
*written = args.total_written;
}
QUIC_NEEDS_LOCK
-static int quic_write_nonblocking_aon(QUIC_XSO *xso, const void *buf,
+static int quic_write_nonblocking_aon(QCTX *ctx, const void *buf,
size_t len, size_t *written)
{
+ QUIC_XSO *xso = ctx->xso;
const void *actual_buf;
size_t actual_len, actual_written = 0;
int accept_moving_buffer
* Pointer must not have changed if we are not in accept moving
* buffer mode. Length must never change.
*/
- return QUIC_RAISE_NON_NORMAL_ERROR(xso->conn, SSL_R_BAD_WRITE_RETRY, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, SSL_R_BAD_WRITE_RETRY, NULL);
actual_buf = (unsigned char *)buf + xso->aon_buf_pos;
actual_len = len - xso->aon_buf_pos;
&actual_written)) {
/* Stream already finished or allocation error. */
*written = 0;
- return QUIC_RAISE_NON_NORMAL_ERROR(xso->conn, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
}
quic_post_write(xso, actual_written > 0, 1);
*/
xso->aon_buf_pos += actual_written;
assert(xso->aon_buf_pos < xso->aon_buf_len);
- return QUIC_RAISE_NORMAL_ERROR(xso->conn, SSL_ERROR_WANT_WRITE);
+ return QUIC_RAISE_NORMAL_ERROR(ctx, SSL_ERROR_WANT_WRITE);
}
/*
* completes.
*/
*written = 0;
- return QUIC_RAISE_NORMAL_ERROR(xso->conn, SSL_ERROR_WANT_WRITE);
+ return QUIC_RAISE_NORMAL_ERROR(ctx, SSL_ERROR_WANT_WRITE);
}
QUIC_NEEDS_LOCK
-static int quic_write_nonblocking_epw(QUIC_XSO *xso, const void *buf, size_t len,
+static int quic_write_nonblocking_epw(QCTX *ctx, const void *buf, size_t len,
size_t *written)
{
+ QUIC_XSO *xso = ctx->xso;
+
/* Simple best effort operation. */
if (!ossl_quic_sstream_append(xso->stream->sstream, buf, len, written)) {
/* Stream already finished or allocation error. */
*written = 0;
- return QUIC_RAISE_NON_NORMAL_ERROR(xso->conn, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
}
quic_post_write(xso, *written > 0, 1);
return 1;
}
+QUIC_NEEDS_LOCK
+static int quic_validate_for_write(QUIC_XSO *xso, int *err)
+{
+ QUIC_STREAM_MAP *qsm;
+
+ if (xso == NULL || xso->stream == NULL) {
+ *err = ERR_R_INTERNAL_ERROR;
+ return 0;
+ }
+
+ switch (xso->stream->send_state) {
+ default:
+ case QUIC_SSTREAM_STATE_NONE:
+ *err = SSL_R_STREAM_RECV_ONLY;
+ return 0;
+
+ case QUIC_SSTREAM_STATE_READY:
+ qsm = ossl_quic_channel_get_qsm(xso->conn->ch);
+
+ if (!ossl_quic_stream_map_ensure_send_part_id(qsm, xso->stream)) {
+ *err = ERR_R_INTERNAL_ERROR;
+ return 0;
+ }
+
+ /* FALLTHROUGH */
+ case QUIC_SSTREAM_STATE_SEND:
+ case QUIC_SSTREAM_STATE_DATA_SENT:
+ case QUIC_SSTREAM_STATE_DATA_RECVD:
+ if (ossl_quic_sstream_get_final_size(xso->stream->sstream, NULL)) {
+ *err = SSL_R_STREAM_FINISHED;
+ return 0;
+ }
+
+ return 1;
+
+ case QUIC_SSTREAM_STATE_RESET_SENT:
+ case QUIC_SSTREAM_STATE_RESET_RECVD:
+ *err = SSL_R_STREAM_RESET;
+ return 0;
+ }
+}
+
QUIC_TAKES_LOCK
int ossl_quic_write(SSL *s, const void *buf, size_t len, size_t *written)
{
int ret;
QCTX ctx;
- int partial_write;
+ int partial_write, err;
*written = 0;
- if (len == 0)
- return 1;
-
if (!expect_quic_with_stream_lock(s, /*remote_init=*/0, &ctx))
return 0;
partial_write = ((ctx.xso->ssl_mode & SSL_MODE_ENABLE_PARTIAL_WRITE) != 0);
- if (ossl_quic_channel_is_term_any(ctx.qc->ch)) {
- ret = QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ if (!quic_mutation_allowed(ctx.qc, /*req_active=*/0)) {
+ ret = QUIC_RAISE_NON_NORMAL_ERROR(&ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
goto out;
}
* If we haven't finished the handshake, try to advance it.
* We don't accept writes until the handshake is completed.
*/
- if (quic_do_handshake(ctx.qc) < 1) {
+ if (quic_do_handshake(&ctx) < 1) {
ret = 0;
goto out;
}
- if (ctx.xso->stream == NULL || ctx.xso->stream->sstream == NULL) {
- ret = QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_INTERNAL_ERROR, NULL);
+ /* Ensure correct stream state, stream send part not concluded, etc. */
+ if (!quic_validate_for_write(ctx.xso, &err)) {
+ ret = QUIC_RAISE_NON_NORMAL_ERROR(&ctx, err, NULL);
+ goto out;
+ }
+
+ if (len == 0) {
+ ret = 1;
goto out;
}
if (xso_blocking_mode(ctx.xso))
- ret = quic_write_blocking(ctx.xso, buf, len, written);
+ ret = quic_write_blocking(&ctx, buf, len, written);
else if (partial_write)
- ret = quic_write_nonblocking_epw(ctx.xso, buf, len, written);
+ ret = quic_write_nonblocking_epw(&ctx, buf, len, written);
else
- ret = quic_write_nonblocking_aon(ctx.xso, buf, len, written);
+ ret = quic_write_nonblocking_aon(&ctx, buf, len, written);
out:
quic_unlock(ctx.qc);
* --------
*/
struct quic_read_again_args {
- QUIC_CONNECTION *qc;
+ QCTX *ctx;
QUIC_STREAM *stream;
void *buf;
size_t len;
};
QUIC_NEEDS_LOCK
-static int quic_read_actual(QUIC_CONNECTION *qc,
+static int quic_validate_for_read(QUIC_XSO *xso, int *err, int *eos)
+{
+ QUIC_STREAM_MAP *qsm;
+
+ *eos = 0;
+
+ if (xso == NULL || xso->stream == NULL) {
+ *err = ERR_R_INTERNAL_ERROR;
+ return 0;
+ }
+
+ switch (xso->stream->recv_state) {
+ default:
+ case QUIC_RSTREAM_STATE_NONE:
+ *err = SSL_R_STREAM_SEND_ONLY;
+ return 0;
+
+ case QUIC_RSTREAM_STATE_RECV:
+ case QUIC_RSTREAM_STATE_SIZE_KNOWN:
+ case QUIC_RSTREAM_STATE_DATA_RECVD:
+ return 1;
+
+ case QUIC_RSTREAM_STATE_DATA_READ:
+ *eos = 1;
+ return 0;
+
+ case QUIC_RSTREAM_STATE_RESET_RECVD:
+ qsm = ossl_quic_channel_get_qsm(xso->conn->ch);
+ ossl_quic_stream_map_notify_app_read_reset_recv_part(qsm, xso->stream);
+
+ /* FALLTHROUGH */
+ case QUIC_RSTREAM_STATE_RESET_READ:
+ *err = SSL_R_STREAM_RESET;
+ return 0;
+ }
+}
+
+QUIC_NEEDS_LOCK
+static int quic_read_actual(QCTX *ctx,
QUIC_STREAM *stream,
void *buf, size_t buf_len,
size_t *bytes_read,
int peek)
{
- int is_fin = 0;
-
- /* If the receive part of the stream is over, issue EOF. */
- if (stream->recv_fin_retired)
- return QUIC_RAISE_NORMAL_ERROR(qc, SSL_ERROR_ZERO_RETURN);
+ int is_fin = 0, err, eos;
+ QUIC_CONNECTION *qc = ctx->qc;
- if (stream->rstream == NULL)
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ if (!quic_validate_for_read(ctx->xso, &err, &eos)) {
+ if (eos)
+ return QUIC_RAISE_NORMAL_ERROR(ctx, SSL_ERROR_ZERO_RETURN);
+ else
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, err, NULL);
+ }
if (peek) {
if (!ossl_quic_rstream_peek(stream->rstream, buf, buf_len,
bytes_read, &is_fin))
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
} else {
if (!ossl_quic_rstream_read(stream->rstream, buf, buf_len,
bytes_read, &is_fin))
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
}
if (!peek) {
if (!ossl_quic_rxfc_on_retire(&stream->rxfc, *bytes_read,
rtt_info.smoothed_rtt))
- return QUIC_RAISE_NON_NORMAL_ERROR(qc, ERR_R_INTERNAL_ERROR, NULL);
+ return QUIC_RAISE_NON_NORMAL_ERROR(ctx, ERR_R_INTERNAL_ERROR, NULL);
}
- if (is_fin)
- stream->recv_fin_retired = 1;
+ if (is_fin && !peek) {
+ QUIC_STREAM_MAP *qsm = ossl_quic_channel_get_qsm(ctx->qc->ch);
+
+ ossl_quic_stream_map_notify_totally_read(qsm, ctx->xso->stream);
+ }
if (*bytes_read > 0)
ossl_quic_stream_map_update_state(ossl_quic_channel_get_qsm(qc->ch),
{
struct quic_read_again_args *args = arg;
- if (!ossl_quic_channel_is_active(args->qc->ch)) {
+ if (!quic_mutation_allowed(args->ctx->qc, /*req_active=*/1)) {
/* If connection is torn down due to an error while blocking, stop. */
- QUIC_RAISE_NON_NORMAL_ERROR(args->qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(args->ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
return -1;
}
- if (!quic_read_actual(args->qc, args->stream,
+ if (!quic_read_actual(args->ctx, args->stream,
args->buf, args->len, args->bytes_read,
args->peek))
return -1;
quic_lock(ctx.qc);
- if (ossl_quic_channel_is_term_any(ctx.qc->ch)) {
- ret = QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ if (!quic_mutation_allowed(ctx.qc, /*req_active=*/0)) {
+ ret = QUIC_RAISE_NON_NORMAL_ERROR(&ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
goto out;
}
/* If we haven't finished the handshake, try to advance it. */
- if (quic_do_handshake(ctx.qc) < 1) {
+ if (quic_do_handshake(&ctx) < 1) {
ret = 0; /* ossl_quic_do_handshake raised error here */
goto out;
}
* Wait until we get a stream initiated by the peer (blocking mode) or
* fail if we don't have one yet (non-blocking mode).
*/
- if (!qc_wait_for_default_xso_for_read(ctx.qc)) {
+ if (!qc_wait_for_default_xso_for_read(&ctx)) {
ret = 0; /* error already raised here */
goto out;
}
ctx.xso = ctx.qc->default_xso;
}
- if (ctx.xso->stream == NULL) {
- ret = QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_INTERNAL_ERROR, NULL);
- goto out;
- }
-
- if (!quic_read_actual(ctx.qc, ctx.xso->stream, buf, len, bytes_read, peek)) {
+ if (!quic_read_actual(&ctx, ctx.xso->stream, buf, len, bytes_read, peek)) {
ret = 0; /* quic_read_actual raised error here */
goto out;
}
* buffer is empty. This means we need to block until we get
* at least one byte.
*/
- args.qc = ctx.qc;
+ args.ctx = &ctx;
args.stream = ctx.xso->stream;
args.buf = buf;
args.len = len;
res = block_until_pred(ctx.qc, quic_read_again, &args, 0);
if (res == 0) {
- ret = QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_INTERNAL_ERROR, NULL);
+ ret = QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_INTERNAL_ERROR, NULL);
goto out;
} else if (res < 0) {
ret = 0; /* quic_read_again raised error here */
ret = 1;
} else {
- /* We did not get any bytes and are not in blocking mode. */
- ret = QUIC_RAISE_NORMAL_ERROR(ctx.qc, SSL_ERROR_WANT_READ);
+ /*
+ * We did not get any bytes and are not in blocking mode.
+ * Tick to see if this delivers any more.
+ */
+ ossl_quic_reactor_tick(ossl_quic_channel_get_reactor(ctx.qc->ch), 0);
+
+ /* Try the read again. */
+ if (!quic_read_actual(&ctx, ctx.xso->stream, buf, len, bytes_read, peek)) {
+ ret = 0; /* quic_read_actual raised error here */
+ goto out;
+ }
+
+ if (*bytes_read > 0)
+ ret = 1; /* Succeeded this time. */
+ else
+ ret = QUIC_RAISE_NORMAL_ERROR(&ctx, SSL_ERROR_WANT_READ);
}
out:
* SSL_pending
* -----------
*/
+
QUIC_TAKES_LOCK
-static size_t ossl_quic_pending_int(const SSL *s)
+static size_t ossl_quic_pending_int(const SSL *s, int check_channel)
{
QCTX ctx;
size_t avail = 0;
int fin = 0;
- if (!expect_quic_with_stream_lock(s, /*remote_init=*/-1, &ctx))
+
+ if (!expect_quic(s, &ctx))
return 0;
- if (ctx.xso->stream == NULL || ctx.xso->stream->rstream == NULL)
+ quic_lock(ctx.qc);
+
+ if (ctx.xso == NULL)
+ goto out;
+
+ if (ctx.xso->stream == NULL
+ || !ossl_quic_stream_has_recv_buffer(ctx.xso->stream))
/* Cannot raise errors here because we are const, just fail. */
goto out;
if (!ossl_quic_rstream_available(ctx.xso->stream->rstream, &avail, &fin))
avail = 0;
+ if (avail == 0 && check_channel && ossl_quic_channel_has_pending(ctx.qc->ch))
+ avail = 1;
+
out:
quic_unlock(ctx.qc);
return avail;
size_t ossl_quic_pending(const SSL *s)
{
- return ossl_quic_pending_int(s);
+ return ossl_quic_pending_int(s, /*check_channel=*/0);
}
int ossl_quic_has_pending(const SSL *s)
{
- return ossl_quic_pending_int(s) > 0;
+ /* Do we have app-side pending data or pending URXEs or RXEs? */
+ return ossl_quic_pending_int(s, /*check_channel=*/1) > 0;
}
/*
{
QCTX ctx;
QUIC_STREAM *qs;
+ int err;
if (!expect_quic_with_stream_lock(s, /*remote_init=*/0, &ctx))
return 0;
qs = ctx.xso->stream;
- if (qs == NULL || qs->sstream == NULL) {
+ if (!quic_mutation_allowed(ctx.qc, /*req_active=*/1)) {
quic_unlock(ctx.qc);
- return 0;
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ }
+
+ if (!quic_validate_for_write(ctx.xso, &err)) {
+ quic_unlock(ctx.qc);
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, err, NULL);
}
- if (!ossl_quic_channel_is_active(ctx.qc->ch)
- || ossl_quic_sstream_get_final_size(qs->sstream, NULL)) {
+ if (ossl_quic_sstream_get_final_size(qs->sstream, NULL)) {
quic_unlock(ctx.qc);
return 1;
}
QCTX ctx;
if (!expect_quic(s, &ctx))
- return SSL_STREAM_TYPE_NONE;
+ return SSL_STREAM_TYPE_BIDI;
if (ctx.xso == NULL) {
/*
- * If we are deferring XSO creation, assume single stream mode and
- * default to BIDI, as the deferred XSO which will be created will be
- * bidirectional.
+ * If deferred XSO creation has yet to occur, proceed according to the
+ * default stream mode. If AUTO_BIDI or AUTO_UNI is set, we cannot know
+ * what kind of stream will be created yet, so return BIDI on the basis
+ * that at this time, the client still has the option of calling
+ * SSL_read() or SSL_write() first.
*/
- if (!ctx.qc->default_xso_created)
- return SSL_STREAM_TYPE_BIDI;
- else
+ if (ctx.qc->default_xso_created
+ || ctx.qc->default_stream_mode == SSL_DEFAULT_STREAM_MODE_NONE)
return SSL_STREAM_TYPE_NONE;
+ else
+ return SSL_STREAM_TYPE_BIDI;
}
if (ossl_quic_stream_is_bidi(ctx.xso->stream))
quic_lock(ctx.qc);
if (ctx.qc->default_xso_created)
- return QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED,
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED,
"too late to change default stream mode");
switch (mode) {
break;
default:
quic_unlock(ctx.qc);
- return QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_PASSED_INVALID_ARGUMENT,
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_PASSED_INVALID_ARGUMENT,
"bad default stream type");
}
SSL *ossl_quic_detach_stream(SSL *s)
{
QCTX ctx;
- QUIC_XSO *xso;
+ QUIC_XSO *xso = NULL;
if (!expect_quic_conn_only(s, &ctx))
return NULL;
quic_lock(ctx.qc);
/* Calling this function inhibits default XSO autocreation. */
- xso = ctx.qc->default_xso;
- qc_set_default_xso(ctx.qc, NULL, /*touch=*/1);
+ /* QC ref to any default XSO is transferred to us and to caller. */
+ qc_set_default_xso_keep_ref(ctx.qc, NULL, /*touch=*/1, &xso);
quic_unlock(ctx.qc);
- return &xso->ssl;
+ return xso != NULL ? &xso->ssl : NULL;
}
/*
int ossl_quic_attach_stream(SSL *conn, SSL *stream)
{
QCTX ctx;
+ QUIC_XSO *xso;
+ int nref;
if (!expect_quic_conn_only(conn, &ctx))
return 0;
if (stream == NULL || stream->type != SSL_TYPE_QUIC_XSO)
- return QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_PASSED_NULL_PARAMETER,
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_PASSED_NULL_PARAMETER,
"stream to attach must be a valid QUIC stream");
+ xso = (QUIC_XSO *)stream;
+
quic_lock(ctx.qc);
if (ctx.qc->default_xso != NULL) {
quic_unlock(ctx.qc);
- return QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED,
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED,
"connection already has a default stream");
}
+ /*
+ * It is a caller error for the XSO being attached as a default XSO to have
+ * more than one ref.
+ */
+ if (!CRYPTO_GET_REF(&xso->ssl.references, &nref)) {
+ quic_unlock(ctx.qc);
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_INTERNAL_ERROR,
+ "ref");
+ }
+
+ if (nref != 1) {
+ quic_unlock(ctx.qc);
+ return QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_PASSED_INVALID_ARGUMENT,
+ "stream being attached must have "
+ "only 1 reference");
+ }
+
+ /* Caller's reference to the XSO is transferred to us. */
/* Calling this function inhibits default XSO autocreation. */
- qc_set_default_xso(ctx.qc, (QUIC_XSO *)stream, /*touch=*/1);
+ qc_set_default_xso(ctx.qc, xso, /*touch=*/1);
quic_unlock(ctx.qc);
return 1;
}
/*
- * SSL_set_incoming_stream_reject_policy
- * -------------------------------------
+ * SSL_set_incoming_stream_policy
+ * ------------------------------
*/
QUIC_NEEDS_LOCK
-static int qc_get_effective_incoming_stream_reject_policy(QUIC_CONNECTION *qc)
+static int qc_get_effective_incoming_stream_policy(QUIC_CONNECTION *qc)
{
- switch (qc->incoming_stream_reject_policy) {
- case SSL_INCOMING_STREAM_REJECT_POLICY_AUTO:
+ switch (qc->incoming_stream_policy) {
+ case SSL_INCOMING_STREAM_POLICY_AUTO:
if ((qc->default_xso == NULL && !qc->default_xso_created)
|| qc->default_stream_mode == SSL_DEFAULT_STREAM_MODE_NONE)
- return SSL_INCOMING_STREAM_REJECT_POLICY_ACCEPT;
+ return SSL_INCOMING_STREAM_POLICY_ACCEPT;
else
- return SSL_INCOMING_STREAM_REJECT_POLICY_REJECT;
+ return SSL_INCOMING_STREAM_POLICY_REJECT;
default:
- return qc->incoming_stream_reject_policy;
+ return qc->incoming_stream_policy;
}
}
QUIC_NEEDS_LOCK
static void qc_update_reject_policy(QUIC_CONNECTION *qc)
{
- int policy = qc_get_effective_incoming_stream_reject_policy(qc);
- int enable_reject = (policy == SSL_INCOMING_STREAM_REJECT_POLICY_REJECT);
+ int policy = qc_get_effective_incoming_stream_policy(qc);
+ int enable_reject = (policy == SSL_INCOMING_STREAM_POLICY_REJECT);
ossl_quic_channel_set_incoming_stream_auto_reject(qc->ch,
enable_reject,
- qc->incoming_stream_reject_aec);
+ qc->incoming_stream_aec);
}
QUIC_TAKES_LOCK
-int ossl_quic_set_incoming_stream_reject_policy(SSL *s, int policy,
- uint64_t aec)
+int ossl_quic_set_incoming_stream_policy(SSL *s, int policy,
+ uint64_t aec)
{
int ret = 1;
QCTX ctx;
quic_lock(ctx.qc);
switch (policy) {
- case SSL_INCOMING_STREAM_REJECT_POLICY_AUTO:
- case SSL_INCOMING_STREAM_REJECT_POLICY_ACCEPT:
- case SSL_INCOMING_STREAM_REJECT_POLICY_REJECT:
- ctx.qc->incoming_stream_reject_policy = policy;
- ctx.qc->incoming_stream_reject_aec = aec;
+ case SSL_INCOMING_STREAM_POLICY_AUTO:
+ case SSL_INCOMING_STREAM_POLICY_ACCEPT:
+ case SSL_INCOMING_STREAM_POLICY_REJECT:
+ ctx.qc->incoming_stream_policy = policy;
+ ctx.qc->incoming_stream_aec = aec;
break;
default:
* -----------------
*/
struct wait_for_incoming_stream_args {
- QUIC_CONNECTION *qc;
+ QCTX *ctx;
QUIC_STREAM *qs;
};
static int wait_for_incoming_stream(void *arg)
{
struct wait_for_incoming_stream_args *args = arg;
- QUIC_STREAM_MAP *qsm = ossl_quic_channel_get_qsm(args->qc->ch);
+ QUIC_CONNECTION *qc = args->ctx->qc;
+ QUIC_STREAM_MAP *qsm = ossl_quic_channel_get_qsm(qc->ch);
- if (!ossl_quic_channel_is_active(args->qc->ch)) {
+ if (!quic_mutation_allowed(qc, /*req_active=*/1)) {
/* If connection is torn down due to an error while blocking, stop. */
- QUIC_RAISE_NON_NORMAL_ERROR(args->qc, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(args->ctx, SSL_R_PROTOCOL_IS_SHUTDOWN, NULL);
return -1;
}
quic_lock(ctx.qc);
- if (qc_get_effective_incoming_stream_reject_policy(ctx.qc)
- == SSL_INCOMING_STREAM_REJECT_POLICY_REJECT)
+ if (qc_get_effective_incoming_stream_policy(ctx.qc)
+ == SSL_INCOMING_STREAM_POLICY_REJECT)
goto out;
qsm = ossl_quic_channel_get_qsm(ctx.qc->ch);
&& (flags & SSL_ACCEPT_STREAM_NO_BLOCK) == 0) {
struct wait_for_incoming_stream_args args;
- args.qc = ctx.qc;
+ args.ctx = &ctx;
args.qs = NULL;
ret = block_until_pred(ctx.qc, wait_for_incoming_stream, &args, 0);
if (ret == 0) {
- QUIC_RAISE_NON_NORMAL_ERROR(ctx.qc, ERR_R_INTERNAL_ERROR, NULL);
+ QUIC_RAISE_NON_NORMAL_ERROR(&ctx, ERR_R_INTERNAL_ERROR, NULL);
goto out;
} else if (ret < 0 || args.qs == NULL) {
goto out;
QUIC_STREAM_MAP *qsm;
QUIC_STREAM *qs;
uint64_t error_code;
+ int ok, err;
if (!expect_quic_with_stream_lock(ssl, /*remote_init=*/0, &ctx))
return 0;
qs = ctx.xso->stream;
error_code = (args != NULL ? args->quic_error_code : 0);
- ossl_quic_stream_map_reset_stream_send_part(qsm, qs, error_code);
+ if (!quic_validate_for_write(ctx.xso, &err)) {
+ ok = QUIC_RAISE_NON_NORMAL_ERROR(&ctx, err, NULL);
+ goto err;
+ }
+
+ ok = ossl_quic_stream_map_reset_stream_send_part(qsm, qs, error_code);
+err:
quic_unlock(ctx.qc);
- return 1;
+ return ok;
}
/*
} else if (ossl_quic_channel_is_term_any(qc->ch)) {
/* Connection already closed. */
*state = SSL_STREAM_STATE_CONN_CLOSED;
- } else if (!is_write && qs->recv_fin_retired) {
+ } else if (!is_write && qs->recv_state == QUIC_RSTREAM_STATE_DATA_READ) {
/* Application has read a FIN. */
*state = SSL_STREAM_STATE_FINISHED;
} else if ((!is_write && qs->stop_sending)
- || (is_write && qs->reset_stream)) {
+ || (is_write && ossl_quic_stream_send_is_reset(qs))) {
/*
* Stream has been reset locally. FIN takes precedence over this for the
* read case as the application need not care if the stream is reset
*app_error_code = !is_write
? qs->stop_sending_aec
: qs->reset_stream_aec;
- } else if ((!is_write && qs->peer_reset_stream)
+ } else if ((!is_write && ossl_quic_stream_recv_is_reset(qs))
|| (is_write && qs->peer_stop_sending)) {
/*
* Stream has been reset remotely. */
return quic_get_stream_error_code(ssl, /*is_write=*/1, app_error_code);
}
+/*
+ * Write buffer size mutation
+ * --------------------------
+ */
+int ossl_quic_set_write_buffer_size(SSL *ssl, size_t size)
+{
+ int ret = 0;
+ QCTX ctx;
+
+ if (!expect_quic_with_stream_lock(ssl, /*remote_init=*/-1, &ctx))
+ return 0;
+
+ if (!ossl_quic_stream_has_send(ctx.xso->stream))
+ /* Called on a unidirectional receive-only stream - error. */
+ goto out;
+
+ if (!ossl_quic_stream_has_send_buffer(ctx.xso->stream)) {
+ /*
+ * If the stream has a send part but we have disposed of it because we
+ * no longer need it, this is a no-op.
+ */
+ ret = 1;
+ goto out;
+ }
+
+ if (!ossl_quic_sstream_set_buffer_size(ctx.xso->stream->sstream, size))
+ goto out;
+
+ ret = 1;
+
+out:
+ quic_unlock(ctx.qc);
+ return ret;
+}
+
/*
* SSL_get_conn_close_info
* -----------------------
return 1;
}
+/*
+ * SSL_key_update
+ * --------------
+ */
+int ossl_quic_key_update(SSL *ssl, int update_type)
+{
+ QCTX ctx;
+
+ if (!expect_quic_conn_only(ssl, &ctx))
+ return 0;
+
+ switch (update_type) {
+ case SSL_KEY_UPDATE_NOT_REQUESTED:
+ /*
+ * QUIC signals peer key update implicily by triggering a local
+ * spontaneous TXKU. Silently upgrade this to SSL_KEY_UPDATE_REQUESTED.
+ */
+ case SSL_KEY_UPDATE_REQUESTED:
+ break;
+
+ default:
+ /* Unknown type - error. */
+ return 0;
+ }
+
+ quic_lock(ctx.qc);
+
+ /* Attempt to perform a TXKU. */
+ if (!ossl_quic_channel_trigger_txku(ctx.qc->ch)) {
+ quic_unlock(ctx.qc);
+ return 0;
+ }
+
+ quic_unlock(ctx.qc);
+ return 1;
+}
+
+/*
+ * SSL_get_key_update_type
+ * -----------------------
+ */
+int ossl_quic_get_key_update_type(const SSL *s)
+{
+ /*
+ * We always handle key updates immediately so a key update is never
+ * pending.
+ */
+ return SSL_KEY_UPDATE_NONE;
+}
+
/*
* QUIC Front-End I/O API: SSL_CTX Management
* ==========================================
long ossl_quic_callback_ctrl(SSL *s, int cmd, void (*fp) (void))
{
- return ssl3_callback_ctrl(s, cmd, fp);
+ QCTX ctx;
+
+ if (!expect_quic_conn_only(s, &ctx))
+ return 0;
+
+ switch (cmd) {
+ case SSL_CTRL_SET_MSG_CALLBACK:
+ ossl_quic_channel_set_msg_callback(ctx.qc->ch, (ossl_msg_cb)fp,
+ &ctx.qc->ssl);
+ /* This callback also needs to be set on the internal SSL object */
+ return ssl3_callback_ctrl(ctx.qc->tls, cmd, fp);;
+
+ default:
+ /* Probably a TLS related ctrl. Defer to our internal SSL object */
+ return ssl3_callback_ctrl(ctx.qc->tls, cmd, fp);
+ }
}
long ossl_quic_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void))
{
return NULL;
}
+
+/*
+ * Internal Testing APIs
+ * =====================
+ */
+
+QUIC_CHANNEL *ossl_quic_conn_get_channel(SSL *s)
+{
+ QCTX ctx;
+
+ if (!expect_quic_conn_only(s, &ctx))
+ return NULL;
+
+ return ctx.qc->ch;
+}