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Release 2.20.0
- [FEATURE] QUIC and HTTP/3 Internet Draft 30 support. - [FEATURE] Unreliable Datagram Extension support. - [FEATURE] Adaptive congestion controller. - [BUGFIX] Do not send MAX_STREAM_DATA frames on crypto streams. - [BUGFIX] Fail with CRYPTO_BUFFER_EXCEEDED when too much CRYPTO data comes in. - [BUFFIX] Spin bit is now strictly per path; value is reset on DCID change. - [BUGFIX] Check that max value of max_streams_uni and max_streams_bidi TPs is 2^60. - [BUGFIX] Close IETF mini conn immediately if crypto session cannot be initialized. - Deprecate ID-28 (no browser uses it): it's no longer in the default versions list. - New programs duck_server and duck_client that implement the experimental siduck-00 protocol. They quack! - IETF crypto streams: don't limit ourselves from sending. - Command-line programs: turn off QL loss bits if -G is used, as Wireshark cannot decrypt QUIC packets when this extension is used. - Turn all h3 framing unit tests back on. - Fix malo initialization when compiled in no-pool mode.
This commit is contained in:
Dmitri Tikhonov
parent
c3c69ba3bb
commit
b1a7c3f944
53 changed files with 1745 additions and 161 deletions
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@ -24,8 +24,8 @@ extern "C" {
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#endif
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#define LSQUIC_MAJOR_VERSION 2
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#define LSQUIC_MINOR_VERSION 19
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#define LSQUIC_PATCH_VERSION 10
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#define LSQUIC_MINOR_VERSION 20
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#define LSQUIC_PATCH_VERSION 0
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/**
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* Engine flags:
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@ -91,6 +91,11 @@ enum lsquic_version
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*/
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LSQVER_ID29,
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/**
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* IETF QUIC Draft-30
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*/
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LSQVER_ID30,
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/**
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* Special version to trigger version negotiation.
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* [draft-ietf-quic-transport-11], Section 3.
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@ -101,7 +106,8 @@ enum lsquic_version
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};
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/**
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* We currently support versions 43, 46, 50, Draft-27, Draft-28, and Draft-29.
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* We currently support versions 43, 46, 50, Draft-27, Draft-28, Draft-29,
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* and Draft-30.
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* @see lsquic_version
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*/
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#define LSQUIC_SUPPORTED_VERSIONS ((1 << N_LSQVER) - 1)
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@ -114,15 +120,15 @@ enum lsquic_version
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#define LSQUIC_EXPERIMENTAL_VERSIONS ( \
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(1 << LSQVER_VERNEG) | LSQUIC_EXPERIMENTAL_Q098)
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#define LSQUIC_DEPRECATED_VERSIONS 0
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#define LSQUIC_DEPRECATED_VERSIONS (1 << LSQVER_ID28)
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#define LSQUIC_GQUIC_HEADER_VERSIONS (1 << LSQVER_043)
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#define LSQUIC_IETF_VERSIONS ((1 << LSQVER_ID27) | (1 << LSQVER_ID28) \
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| (1 << LSQVER_ID29) | (1 << LSQVER_VERNEG))
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| (1 << LSQVER_ID29) | (1 << LSQVER_ID30) | (1 << LSQVER_VERNEG))
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#define LSQUIC_IETF_DRAFT_VERSIONS ((1 << LSQVER_ID27) | (1 << LSQVER_ID28) \
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| (1 << LSQVER_ID29) | (1 << LSQVER_VERNEG))
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| (1 << LSQVER_ID29) | (1 << LSQVER_ID30) | (1 << LSQVER_VERNEG))
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enum lsquic_hsk_status
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{
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@ -179,6 +185,13 @@ struct lsquic_stream_if {
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void (*on_read) (lsquic_stream_t *s, lsquic_stream_ctx_t *h);
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void (*on_write) (lsquic_stream_t *s, lsquic_stream_ctx_t *h);
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void (*on_close) (lsquic_stream_t *s, lsquic_stream_ctx_t *h);
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/* Called when datagram is ready to be written */
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ssize_t (*on_dg_write)(lsquic_conn_t *c, void *, size_t);
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/* Called when datagram is read from a packet. This callback is required
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* when es_datagrams is true. Take care to process it quickly, as this
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* is called during lsquic_engine_packet_in().
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*/
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void (*on_datagram)(lsquic_conn_t *, const void *buf, size_t);
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/* This callback in only called in client mode */
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/**
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* When handshake is completed, this optional callback is called.
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@ -338,8 +351,17 @@ typedef struct ssl_ctx_st * (*lsquic_lookup_cert_f)(
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/** Turn on timestamp extension by default */
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#define LSQUIC_DF_TIMESTAMPS 1
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/* 1: Cubic; 2: BBR */
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#define LSQUIC_DF_CC_ALGO 1
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/* Use Adaptive CC by default */
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#define LSQUIC_DF_CC_ALGO 3
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/* Default value of the CC RTT threshold is 1.5 ms */
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#define LSQUIC_DF_CC_RTT_THRESH 1500
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/** Turn off datagram extension by default */
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#define LSQUIC_DF_DATAGRAMS 0
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/** Assume optimistic NAT by default. */
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#define LSQUIC_DF_OPTIMISTIC_NAT 1
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/** By default, incoming packet size is not limited. */
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#define LSQUIC_DF_MAX_UDP_PAYLOAD_SIZE_RX 0
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@ -565,6 +587,8 @@ struct lsquic_engine_settings {
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* @ref lsquic_stream_wantread() or @ref lsquic_stream_wantwrite()
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* or shuts down the stream.
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*
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* This also applies to the on_dg_write() callback.
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*
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* The default value is @ref LSQUIC_DF_RW_ONCE.
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*/
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int es_rw_once;
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@ -605,10 +629,23 @@ struct lsquic_engine_settings {
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*
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* 0: Use default (@ref LSQUIC_DF_CC_ALGO)
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* 1: Cubic
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* 2: BBR
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* 2: BBRv1
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* 3: Adaptive (Cubic or BBRv1)
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*/
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unsigned es_cc_algo;
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/**
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* Congestion controller RTT threshold in microseconds.
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*
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* Adaptive congestion control uses BBRv1 until RTT is determined. At
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* that point a permanent choice of congestion controller is made. If
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* RTT is smaller than or equal to es_cc_rtt_thresh, congestion
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* controller is switched to Cubic; otherwise, BBRv1 is picked.
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*
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* The default value is @ref LSQUIC_DF_CC_RTT_THRESH.
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*/
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unsigned es_cc_rtt_thresh;
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/**
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* No progress timeout.
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*
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@ -878,6 +915,22 @@ struct lsquic_engine_settings {
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* Default value is @ref LSQUIC_DF_MTU_PROBE_TIMER.
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*/
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unsigned es_mtu_probe_timer;
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/**
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* Enable datagram extension. Allowed values are 0 and 1.
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*
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* Default value is @ref LSQUIC_DF_DATAGRAMS
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*/
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int es_datagrams;
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/**
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* If set to true, changes in peer port are assumed to be due to a
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* benign NAT rebinding and path characteristics -- MTU, RTT, and
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* CC state -- are not reset.
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*
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* Default value is @ref LSQUIC_DF_OPTIMISTIC_NAT.
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*/
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int es_optimistic_nat;
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};
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/* Initialize `settings' to default values */
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@ -1587,6 +1640,20 @@ int
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lsquic_conn_get_sockaddr(lsquic_conn_t *c,
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const struct sockaddr **local, const struct sockaddr **peer);
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/* Returns previous value */
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int
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lsquic_conn_want_datagram_write (lsquic_conn_t *, int is_want);
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/* Get minimum datagram size. By default, this value is zero. */
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size_t
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lsquic_conn_get_min_datagram_size (lsquic_conn_t *);
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/* Set minimum datagram size. This is the minumum value of the buffer passed
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* to the on_dg_write() callback.
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*/
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int
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lsquic_conn_set_min_datagram_size (lsquic_conn_t *, size_t sz);
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struct lsquic_logger_if {
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int (*log_buf)(void *logger_ctx, const char *buf, size_t len);
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};
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