From 36e6c42977f3823d26ae1f48937a42bb4ad9694a Mon Sep 17 00:00:00 2001 From: Sebastiaan van Stijn Date: Fri, 1 Nov 2024 13:17:57 +0100 Subject: [PATCH] vendor: golang.org/x/net v0.30.0 full diff: https://github.com/golang/net/compare/v0.29.0...v0.30.0 Signed-off-by: Sebastiaan van Stijn --- vendor.mod | 2 +- vendor.sum | 4 +- vendor/golang.org/x/net/http2/config.go | 122 ++++++++++++ vendor/golang.org/x/net/http2/config_go124.go | 61 ++++++ .../x/net/http2/config_pre_go124.go | 16 ++ vendor/golang.org/x/net/http2/http2.go | 53 ++++- vendor/golang.org/x/net/http2/server.go | 181 ++++++++++-------- vendor/golang.org/x/net/http2/transport.go | 141 +++++--------- vendor/golang.org/x/net/http2/write.go | 10 + vendor/modules.txt | 2 +- 10 files changed, 415 insertions(+), 177 deletions(-) create mode 100644 vendor/golang.org/x/net/http2/config.go create mode 100644 vendor/golang.org/x/net/http2/config_go124.go create mode 100644 vendor/golang.org/x/net/http2/config_pre_go124.go diff --git a/vendor.mod b/vendor.mod index c228534bba..e716013c0b 100644 --- a/vendor.mod +++ b/vendor.mod @@ -96,7 +96,7 @@ require ( go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.21.0 // indirect go.opentelemetry.io/proto/otlp v1.0.0 // indirect golang.org/x/crypto v0.28.0 // indirect - golang.org/x/net v0.29.0 // indirect + golang.org/x/net v0.30.0 // indirect golang.org/x/time v0.6.0 // indirect google.golang.org/genproto/googleapis/api v0.0.0-20240604185151-ef581f913117 // indirect google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 // indirect diff --git a/vendor.sum b/vendor.sum index 354fc74f69..af3837a5f2 100644 --- a/vendor.sum +++ b/vendor.sum @@ -353,8 +353,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg= -golang.org/x/net v0.29.0 h1:5ORfpBpCs4HzDYoodCDBbwHzdR5UrLBZ3sOnUJmFoHo= -golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0= +golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4= +golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= diff --git a/vendor/golang.org/x/net/http2/config.go b/vendor/golang.org/x/net/http2/config.go new file mode 100644 index 0000000000..de58dfb8dc --- /dev/null +++ b/vendor/golang.org/x/net/http2/config.go @@ -0,0 +1,122 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package http2 + +import ( + "math" + "net/http" + "time" +) + +// http2Config is a package-internal version of net/http.HTTP2Config. +// +// http.HTTP2Config was added in Go 1.24. +// When running with a version of net/http that includes HTTP2Config, +// we merge the configuration with the fields in Transport or Server +// to produce an http2Config. +// +// Zero valued fields in http2Config are interpreted as in the +// net/http.HTTPConfig documentation. +// +// Precedence order for reconciling configurations is: +// +// - Use the net/http.{Server,Transport}.HTTP2Config value, when non-zero. +// - Otherwise use the http2.{Server.Transport} value. +// - If the resulting value is zero or out of range, use a default. +type http2Config struct { + MaxConcurrentStreams uint32 + MaxDecoderHeaderTableSize uint32 + MaxEncoderHeaderTableSize uint32 + MaxReadFrameSize uint32 + MaxUploadBufferPerConnection int32 + MaxUploadBufferPerStream int32 + SendPingTimeout time.Duration + PingTimeout time.Duration + WriteByteTimeout time.Duration + PermitProhibitedCipherSuites bool + CountError func(errType string) +} + +// configFromServer merges configuration settings from +// net/http.Server.HTTP2Config and http2.Server. +func configFromServer(h1 *http.Server, h2 *Server) http2Config { + conf := http2Config{ + MaxConcurrentStreams: h2.MaxConcurrentStreams, + MaxEncoderHeaderTableSize: h2.MaxEncoderHeaderTableSize, + MaxDecoderHeaderTableSize: h2.MaxDecoderHeaderTableSize, + MaxReadFrameSize: h2.MaxReadFrameSize, + MaxUploadBufferPerConnection: h2.MaxUploadBufferPerConnection, + MaxUploadBufferPerStream: h2.MaxUploadBufferPerStream, + SendPingTimeout: h2.ReadIdleTimeout, + PingTimeout: h2.PingTimeout, + WriteByteTimeout: h2.WriteByteTimeout, + PermitProhibitedCipherSuites: h2.PermitProhibitedCipherSuites, + CountError: h2.CountError, + } + fillNetHTTPServerConfig(&conf, h1) + setConfigDefaults(&conf, true) + return conf +} + +// configFromServer merges configuration settings from h2 and h2.t1.HTTP2 +// (the net/http Transport). +func configFromTransport(h2 *Transport) http2Config { + conf := http2Config{ + MaxEncoderHeaderTableSize: h2.MaxEncoderHeaderTableSize, + MaxDecoderHeaderTableSize: h2.MaxDecoderHeaderTableSize, + MaxReadFrameSize: h2.MaxReadFrameSize, + SendPingTimeout: h2.ReadIdleTimeout, + PingTimeout: h2.PingTimeout, + WriteByteTimeout: h2.WriteByteTimeout, + } + + // Unlike most config fields, where out-of-range values revert to the default, + // Transport.MaxReadFrameSize clips. + if conf.MaxReadFrameSize < minMaxFrameSize { + conf.MaxReadFrameSize = minMaxFrameSize + } else if conf.MaxReadFrameSize > maxFrameSize { + conf.MaxReadFrameSize = maxFrameSize + } + + if h2.t1 != nil { + fillNetHTTPTransportConfig(&conf, h2.t1) + } + setConfigDefaults(&conf, false) + return conf +} + +func setDefault[T ~int | ~int32 | ~uint32 | ~int64](v *T, minval, maxval, defval T) { + if *v < minval || *v > maxval { + *v = defval + } +} + +func setConfigDefaults(conf *http2Config, server bool) { + setDefault(&conf.MaxConcurrentStreams, 1, math.MaxUint32, defaultMaxStreams) + setDefault(&conf.MaxEncoderHeaderTableSize, 1, math.MaxUint32, initialHeaderTableSize) + setDefault(&conf.MaxDecoderHeaderTableSize, 1, math.MaxUint32, initialHeaderTableSize) + if server { + setDefault(&conf.MaxUploadBufferPerConnection, initialWindowSize, math.MaxInt32, 1<<20) + } else { + setDefault(&conf.MaxUploadBufferPerConnection, initialWindowSize, math.MaxInt32, transportDefaultConnFlow) + } + if server { + setDefault(&conf.MaxUploadBufferPerStream, 1, math.MaxInt32, 1<<20) + } else { + setDefault(&conf.MaxUploadBufferPerStream, 1, math.MaxInt32, transportDefaultStreamFlow) + } + setDefault(&conf.MaxReadFrameSize, minMaxFrameSize, maxFrameSize, defaultMaxReadFrameSize) + setDefault(&conf.PingTimeout, 1, math.MaxInt64, 15*time.Second) +} + +// adjustHTTP1MaxHeaderSize converts a limit in bytes on the size of an HTTP/1 header +// to an HTTP/2 MAX_HEADER_LIST_SIZE value. +func adjustHTTP1MaxHeaderSize(n int64) int64 { + // http2's count is in a slightly different unit and includes 32 bytes per pair. + // So, take the net/http.Server value and pad it up a bit, assuming 10 headers. + const perFieldOverhead = 32 // per http2 spec + const typicalHeaders = 10 // conservative + return n + typicalHeaders*perFieldOverhead +} diff --git a/vendor/golang.org/x/net/http2/config_go124.go b/vendor/golang.org/x/net/http2/config_go124.go new file mode 100644 index 0000000000..e3784123c8 --- /dev/null +++ b/vendor/golang.org/x/net/http2/config_go124.go @@ -0,0 +1,61 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build go1.24 + +package http2 + +import "net/http" + +// fillNetHTTPServerConfig sets fields in conf from srv.HTTP2. +func fillNetHTTPServerConfig(conf *http2Config, srv *http.Server) { + fillNetHTTPConfig(conf, srv.HTTP2) +} + +// fillNetHTTPServerConfig sets fields in conf from tr.HTTP2. +func fillNetHTTPTransportConfig(conf *http2Config, tr *http.Transport) { + fillNetHTTPConfig(conf, tr.HTTP2) +} + +func fillNetHTTPConfig(conf *http2Config, h2 *http.HTTP2Config) { + if h2 == nil { + return + } + if h2.MaxConcurrentStreams != 0 { + conf.MaxConcurrentStreams = uint32(h2.MaxConcurrentStreams) + } + if h2.MaxEncoderHeaderTableSize != 0 { + conf.MaxEncoderHeaderTableSize = uint32(h2.MaxEncoderHeaderTableSize) + } + if h2.MaxDecoderHeaderTableSize != 0 { + conf.MaxDecoderHeaderTableSize = uint32(h2.MaxDecoderHeaderTableSize) + } + if h2.MaxConcurrentStreams != 0 { + conf.MaxConcurrentStreams = uint32(h2.MaxConcurrentStreams) + } + if h2.MaxReadFrameSize != 0 { + conf.MaxReadFrameSize = uint32(h2.MaxReadFrameSize) + } + if h2.MaxReceiveBufferPerConnection != 0 { + conf.MaxUploadBufferPerConnection = int32(h2.MaxReceiveBufferPerConnection) + } + if h2.MaxReceiveBufferPerStream != 0 { + conf.MaxUploadBufferPerStream = int32(h2.MaxReceiveBufferPerStream) + } + if h2.SendPingTimeout != 0 { + conf.SendPingTimeout = h2.SendPingTimeout + } + if h2.PingTimeout != 0 { + conf.PingTimeout = h2.PingTimeout + } + if h2.WriteByteTimeout != 0 { + conf.WriteByteTimeout = h2.WriteByteTimeout + } + if h2.PermitProhibitedCipherSuites { + conf.PermitProhibitedCipherSuites = true + } + if h2.CountError != nil { + conf.CountError = h2.CountError + } +} diff --git a/vendor/golang.org/x/net/http2/config_pre_go124.go b/vendor/golang.org/x/net/http2/config_pre_go124.go new file mode 100644 index 0000000000..060fd6c64c --- /dev/null +++ b/vendor/golang.org/x/net/http2/config_pre_go124.go @@ -0,0 +1,16 @@ +// Copyright 2024 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !go1.24 + +package http2 + +import "net/http" + +// Pre-Go 1.24 fallback. +// The Server.HTTP2 and Transport.HTTP2 config fields were added in Go 1.24. + +func fillNetHTTPServerConfig(conf *http2Config, srv *http.Server) {} + +func fillNetHTTPTransportConfig(conf *http2Config, tr *http.Transport) {} diff --git a/vendor/golang.org/x/net/http2/http2.go b/vendor/golang.org/x/net/http2/http2.go index 003e649f30..7688c356b7 100644 --- a/vendor/golang.org/x/net/http2/http2.go +++ b/vendor/golang.org/x/net/http2/http2.go @@ -19,8 +19,9 @@ import ( "bufio" "context" "crypto/tls" + "errors" "fmt" - "io" + "net" "net/http" "os" "sort" @@ -237,13 +238,19 @@ func (cw closeWaiter) Wait() { // Its buffered writer is lazily allocated as needed, to minimize // idle memory usage with many connections. type bufferedWriter struct { - _ incomparable - w io.Writer // immutable - bw *bufio.Writer // non-nil when data is buffered + _ incomparable + group synctestGroupInterface // immutable + conn net.Conn // immutable + bw *bufio.Writer // non-nil when data is buffered + byteTimeout time.Duration // immutable, WriteByteTimeout } -func newBufferedWriter(w io.Writer) *bufferedWriter { - return &bufferedWriter{w: w} +func newBufferedWriter(group synctestGroupInterface, conn net.Conn, timeout time.Duration) *bufferedWriter { + return &bufferedWriter{ + group: group, + conn: conn, + byteTimeout: timeout, + } } // bufWriterPoolBufferSize is the size of bufio.Writer's @@ -270,7 +277,7 @@ func (w *bufferedWriter) Available() int { func (w *bufferedWriter) Write(p []byte) (n int, err error) { if w.bw == nil { bw := bufWriterPool.Get().(*bufio.Writer) - bw.Reset(w.w) + bw.Reset((*bufferedWriterTimeoutWriter)(w)) w.bw = bw } return w.bw.Write(p) @@ -288,6 +295,38 @@ func (w *bufferedWriter) Flush() error { return err } +type bufferedWriterTimeoutWriter bufferedWriter + +func (w *bufferedWriterTimeoutWriter) Write(p []byte) (n int, err error) { + return writeWithByteTimeout(w.group, w.conn, w.byteTimeout, p) +} + +// writeWithByteTimeout writes to conn. +// If more than timeout passes without any bytes being written to the connection, +// the write fails. +func writeWithByteTimeout(group synctestGroupInterface, conn net.Conn, timeout time.Duration, p []byte) (n int, err error) { + if timeout <= 0 { + return conn.Write(p) + } + for { + var now time.Time + if group == nil { + now = time.Now() + } else { + now = group.Now() + } + conn.SetWriteDeadline(now.Add(timeout)) + nn, err := conn.Write(p[n:]) + n += nn + if n == len(p) || nn == 0 || !errors.Is(err, os.ErrDeadlineExceeded) { + // Either we finished the write, made no progress, or hit the deadline. + // Whichever it is, we're done now. + conn.SetWriteDeadline(time.Time{}) + return n, err + } + } +} + func mustUint31(v int32) uint32 { if v < 0 || v > 2147483647 { panic("out of range") diff --git a/vendor/golang.org/x/net/http2/server.go b/vendor/golang.org/x/net/http2/server.go index 6c349f3ec6..617b4a4762 100644 --- a/vendor/golang.org/x/net/http2/server.go +++ b/vendor/golang.org/x/net/http2/server.go @@ -29,6 +29,7 @@ import ( "bufio" "bytes" "context" + "crypto/rand" "crypto/tls" "errors" "fmt" @@ -52,10 +53,14 @@ import ( ) const ( - prefaceTimeout = 10 * time.Second - firstSettingsTimeout = 2 * time.Second // should be in-flight with preface anyway - handlerChunkWriteSize = 4 << 10 - defaultMaxStreams = 250 // TODO: make this 100 as the GFE seems to? + prefaceTimeout = 10 * time.Second + firstSettingsTimeout = 2 * time.Second // should be in-flight with preface anyway + handlerChunkWriteSize = 4 << 10 + defaultMaxStreams = 250 // TODO: make this 100 as the GFE seems to? + + // maxQueuedControlFrames is the maximum number of control frames like + // SETTINGS, PING and RST_STREAM that will be queued for writing before + // the connection is closed to prevent memory exhaustion attacks. maxQueuedControlFrames = 10000 ) @@ -127,6 +132,22 @@ type Server struct { // If zero or negative, there is no timeout. IdleTimeout time.Duration + // ReadIdleTimeout is the timeout after which a health check using a ping + // frame will be carried out if no frame is received on the connection. + // If zero, no health check is performed. + ReadIdleTimeout time.Duration + + // PingTimeout is the timeout after which the connection will be closed + // if a response to a ping is not received. + // If zero, a default of 15 seconds is used. + PingTimeout time.Duration + + // WriteByteTimeout is the timeout after which a connection will be + // closed if no data can be written to it. The timeout begins when data is + // available to write, and is extended whenever any bytes are written. + // If zero or negative, there is no timeout. + WriteByteTimeout time.Duration + // MaxUploadBufferPerConnection is the size of the initial flow // control window for each connections. The HTTP/2 spec does not // allow this to be smaller than 65535 or larger than 2^32-1. @@ -189,57 +210,6 @@ func (s *Server) afterFunc(d time.Duration, f func()) timer { return timeTimer{time.AfterFunc(d, f)} } -func (s *Server) initialConnRecvWindowSize() int32 { - if s.MaxUploadBufferPerConnection >= initialWindowSize { - return s.MaxUploadBufferPerConnection - } - return 1 << 20 -} - -func (s *Server) initialStreamRecvWindowSize() int32 { - if s.MaxUploadBufferPerStream > 0 { - return s.MaxUploadBufferPerStream - } - return 1 << 20 -} - -func (s *Server) maxReadFrameSize() uint32 { - if v := s.MaxReadFrameSize; v >= minMaxFrameSize && v <= maxFrameSize { - return v - } - return defaultMaxReadFrameSize -} - -func (s *Server) maxConcurrentStreams() uint32 { - if v := s.MaxConcurrentStreams; v > 0 { - return v - } - return defaultMaxStreams -} - -func (s *Server) maxDecoderHeaderTableSize() uint32 { - if v := s.MaxDecoderHeaderTableSize; v > 0 { - return v - } - return initialHeaderTableSize -} - -func (s *Server) maxEncoderHeaderTableSize() uint32 { - if v := s.MaxEncoderHeaderTableSize; v > 0 { - return v - } - return initialHeaderTableSize -} - -// maxQueuedControlFrames is the maximum number of control frames like -// SETTINGS, PING and RST_STREAM that will be queued for writing before -// the connection is closed to prevent memory exhaustion attacks. -func (s *Server) maxQueuedControlFrames() int { - // TODO: if anybody asks, add a Server field, and remember to define the - // behavior of negative values. - return maxQueuedControlFrames -} - type serverInternalState struct { mu sync.Mutex activeConns map[*serverConn]struct{} @@ -440,13 +410,15 @@ func (s *Server) serveConn(c net.Conn, opts *ServeConnOpts, newf func(*serverCon baseCtx, cancel := serverConnBaseContext(c, opts) defer cancel() + http1srv := opts.baseConfig() + conf := configFromServer(http1srv, s) sc := &serverConn{ srv: s, - hs: opts.baseConfig(), + hs: http1srv, conn: c, baseCtx: baseCtx, remoteAddrStr: c.RemoteAddr().String(), - bw: newBufferedWriter(c), + bw: newBufferedWriter(s.group, c, conf.WriteByteTimeout), handler: opts.handler(), streams: make(map[uint32]*stream), readFrameCh: make(chan readFrameResult), @@ -456,9 +428,12 @@ func (s *Server) serveConn(c net.Conn, opts *ServeConnOpts, newf func(*serverCon bodyReadCh: make(chan bodyReadMsg), // buffering doesn't matter either way doneServing: make(chan struct{}), clientMaxStreams: math.MaxUint32, // Section 6.5.2: "Initially, there is no limit to this value" - advMaxStreams: s.maxConcurrentStreams(), + advMaxStreams: conf.MaxConcurrentStreams, initialStreamSendWindowSize: initialWindowSize, + initialStreamRecvWindowSize: conf.MaxUploadBufferPerStream, maxFrameSize: initialMaxFrameSize, + pingTimeout: conf.PingTimeout, + countErrorFunc: conf.CountError, serveG: newGoroutineLock(), pushEnabled: true, sawClientPreface: opts.SawClientPreface, @@ -491,15 +466,15 @@ func (s *Server) serveConn(c net.Conn, opts *ServeConnOpts, newf func(*serverCon sc.flow.add(initialWindowSize) sc.inflow.init(initialWindowSize) sc.hpackEncoder = hpack.NewEncoder(&sc.headerWriteBuf) - sc.hpackEncoder.SetMaxDynamicTableSizeLimit(s.maxEncoderHeaderTableSize()) + sc.hpackEncoder.SetMaxDynamicTableSizeLimit(conf.MaxEncoderHeaderTableSize) fr := NewFramer(sc.bw, c) - if s.CountError != nil { - fr.countError = s.CountError + if conf.CountError != nil { + fr.countError = conf.CountError } - fr.ReadMetaHeaders = hpack.NewDecoder(s.maxDecoderHeaderTableSize(), nil) + fr.ReadMetaHeaders = hpack.NewDecoder(conf.MaxDecoderHeaderTableSize, nil) fr.MaxHeaderListSize = sc.maxHeaderListSize() - fr.SetMaxReadFrameSize(s.maxReadFrameSize()) + fr.SetMaxReadFrameSize(conf.MaxReadFrameSize) sc.framer = fr if tc, ok := c.(connectionStater); ok { @@ -532,7 +507,7 @@ func (s *Server) serveConn(c net.Conn, opts *ServeConnOpts, newf func(*serverCon // So for now, do nothing here again. } - if !s.PermitProhibitedCipherSuites && isBadCipher(sc.tlsState.CipherSuite) { + if !conf.PermitProhibitedCipherSuites && isBadCipher(sc.tlsState.CipherSuite) { // "Endpoints MAY choose to generate a connection error // (Section 5.4.1) of type INADEQUATE_SECURITY if one of // the prohibited cipher suites are negotiated." @@ -569,7 +544,7 @@ func (s *Server) serveConn(c net.Conn, opts *ServeConnOpts, newf func(*serverCon opts.UpgradeRequest = nil } - sc.serve() + sc.serve(conf) } func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx context.Context, cancel func()) { @@ -609,6 +584,7 @@ type serverConn struct { tlsState *tls.ConnectionState // shared by all handlers, like net/http remoteAddrStr string writeSched WriteScheduler + countErrorFunc func(errType string) // Everything following is owned by the serve loop; use serveG.check(): serveG goroutineLock // used to verify funcs are on serve() @@ -628,6 +604,7 @@ type serverConn struct { streams map[uint32]*stream unstartedHandlers []unstartedHandler initialStreamSendWindowSize int32 + initialStreamRecvWindowSize int32 maxFrameSize int32 peerMaxHeaderListSize uint32 // zero means unknown (default) canonHeader map[string]string // http2-lower-case -> Go-Canonical-Case @@ -638,9 +615,14 @@ type serverConn struct { inGoAway bool // we've started to or sent GOAWAY inFrameScheduleLoop bool // whether we're in the scheduleFrameWrite loop needToSendGoAway bool // we need to schedule a GOAWAY frame write + pingSent bool + sentPingData [8]byte goAwayCode ErrCode shutdownTimer timer // nil until used idleTimer timer // nil if unused + readIdleTimeout time.Duration + pingTimeout time.Duration + readIdleTimer timer // nil if unused // Owned by the writeFrameAsync goroutine: headerWriteBuf bytes.Buffer @@ -655,11 +637,7 @@ func (sc *serverConn) maxHeaderListSize() uint32 { if n <= 0 { n = http.DefaultMaxHeaderBytes } - // http2's count is in a slightly different unit and includes 32 bytes per pair. - // So, take the net/http.Server value and pad it up a bit, assuming 10 headers. - const perFieldOverhead = 32 // per http2 spec - const typicalHeaders = 10 // conservative - return uint32(n + typicalHeaders*perFieldOverhead) + return uint32(adjustHTTP1MaxHeaderSize(int64(n))) } func (sc *serverConn) curOpenStreams() uint32 { @@ -923,7 +901,7 @@ func (sc *serverConn) notePanic() { } } -func (sc *serverConn) serve() { +func (sc *serverConn) serve(conf http2Config) { sc.serveG.check() defer sc.notePanic() defer sc.conn.Close() @@ -937,18 +915,18 @@ func (sc *serverConn) serve() { sc.writeFrame(FrameWriteRequest{ write: writeSettings{ - {SettingMaxFrameSize, sc.srv.maxReadFrameSize()}, + {SettingMaxFrameSize, conf.MaxReadFrameSize}, {SettingMaxConcurrentStreams, sc.advMaxStreams}, {SettingMaxHeaderListSize, sc.maxHeaderListSize()}, - {SettingHeaderTableSize, sc.srv.maxDecoderHeaderTableSize()}, - {SettingInitialWindowSize, uint32(sc.srv.initialStreamRecvWindowSize())}, + {SettingHeaderTableSize, conf.MaxDecoderHeaderTableSize}, + {SettingInitialWindowSize, uint32(sc.initialStreamRecvWindowSize)}, }, }) sc.unackedSettings++ // Each connection starts with initialWindowSize inflow tokens. // If a higher value is configured, we add more tokens. - if diff := sc.srv.initialConnRecvWindowSize() - initialWindowSize; diff > 0 { + if diff := conf.MaxUploadBufferPerConnection - initialWindowSize; diff > 0 { sc.sendWindowUpdate(nil, int(diff)) } @@ -968,11 +946,18 @@ func (sc *serverConn) serve() { defer sc.idleTimer.Stop() } + if conf.SendPingTimeout > 0 { + sc.readIdleTimeout = conf.SendPingTimeout + sc.readIdleTimer = sc.srv.afterFunc(conf.SendPingTimeout, sc.onReadIdleTimer) + defer sc.readIdleTimer.Stop() + } + go sc.readFrames() // closed by defer sc.conn.Close above settingsTimer := sc.srv.afterFunc(firstSettingsTimeout, sc.onSettingsTimer) defer settingsTimer.Stop() + lastFrameTime := sc.srv.now() loopNum := 0 for { loopNum++ @@ -986,6 +971,7 @@ func (sc *serverConn) serve() { case res := <-sc.wroteFrameCh: sc.wroteFrame(res) case res := <-sc.readFrameCh: + lastFrameTime = sc.srv.now() // Process any written frames before reading new frames from the client since a // written frame could have triggered a new stream to be started. if sc.writingFrameAsync { @@ -1017,6 +1003,8 @@ func (sc *serverConn) serve() { case idleTimerMsg: sc.vlogf("connection is idle") sc.goAway(ErrCodeNo) + case readIdleTimerMsg: + sc.handlePingTimer(lastFrameTime) case shutdownTimerMsg: sc.vlogf("GOAWAY close timer fired; closing conn from %v", sc.conn.RemoteAddr()) return @@ -1039,7 +1027,7 @@ func (sc *serverConn) serve() { // If the peer is causing us to generate a lot of control frames, // but not reading them from us, assume they are trying to make us // run out of memory. - if sc.queuedControlFrames > sc.srv.maxQueuedControlFrames() { + if sc.queuedControlFrames > maxQueuedControlFrames { sc.vlogf("http2: too many control frames in send queue, closing connection") return } @@ -1055,12 +1043,39 @@ func (sc *serverConn) serve() { } } +func (sc *serverConn) handlePingTimer(lastFrameReadTime time.Time) { + if sc.pingSent { + sc.vlogf("timeout waiting for PING response") + sc.conn.Close() + return + } + + pingAt := lastFrameReadTime.Add(sc.readIdleTimeout) + now := sc.srv.now() + if pingAt.After(now) { + // We received frames since arming the ping timer. + // Reset it for the next possible timeout. + sc.readIdleTimer.Reset(pingAt.Sub(now)) + return + } + + sc.pingSent = true + // Ignore crypto/rand.Read errors: It generally can't fail, and worse case if it does + // is we send a PING frame containing 0s. + _, _ = rand.Read(sc.sentPingData[:]) + sc.writeFrame(FrameWriteRequest{ + write: &writePing{data: sc.sentPingData}, + }) + sc.readIdleTimer.Reset(sc.pingTimeout) +} + type serverMessage int // Message values sent to serveMsgCh. var ( settingsTimerMsg = new(serverMessage) idleTimerMsg = new(serverMessage) + readIdleTimerMsg = new(serverMessage) shutdownTimerMsg = new(serverMessage) gracefulShutdownMsg = new(serverMessage) handlerDoneMsg = new(serverMessage) @@ -1068,6 +1083,7 @@ var ( func (sc *serverConn) onSettingsTimer() { sc.sendServeMsg(settingsTimerMsg) } func (sc *serverConn) onIdleTimer() { sc.sendServeMsg(idleTimerMsg) } +func (sc *serverConn) onReadIdleTimer() { sc.sendServeMsg(readIdleTimerMsg) } func (sc *serverConn) onShutdownTimer() { sc.sendServeMsg(shutdownTimerMsg) } func (sc *serverConn) sendServeMsg(msg interface{}) { @@ -1320,6 +1336,10 @@ func (sc *serverConn) wroteFrame(res frameWriteResult) { sc.writingFrame = false sc.writingFrameAsync = false + if res.err != nil { + sc.conn.Close() + } + wr := res.wr if writeEndsStream(wr.write) { @@ -1594,6 +1614,11 @@ func (sc *serverConn) processFrame(f Frame) error { func (sc *serverConn) processPing(f *PingFrame) error { sc.serveG.check() if f.IsAck() { + if sc.pingSent && sc.sentPingData == f.Data { + // This is a response to a PING we sent. + sc.pingSent = false + sc.readIdleTimer.Reset(sc.readIdleTimeout) + } // 6.7 PING: " An endpoint MUST NOT respond to PING frames // containing this flag." return nil @@ -2160,7 +2185,7 @@ func (sc *serverConn) newStream(id, pusherID uint32, state streamState) *stream st.cw.Init() st.flow.conn = &sc.flow // link to conn-level counter st.flow.add(sc.initialStreamSendWindowSize) - st.inflow.init(sc.srv.initialStreamRecvWindowSize()) + st.inflow.init(sc.initialStreamRecvWindowSize) if sc.hs.WriteTimeout > 0 { st.writeDeadline = sc.srv.afterFunc(sc.hs.WriteTimeout, st.onWriteTimeout) } @@ -3301,7 +3326,7 @@ func (sc *serverConn) countError(name string, err error) error { if sc == nil || sc.srv == nil { return err } - f := sc.srv.CountError + f := sc.countErrorFunc if f == nil { return err } diff --git a/vendor/golang.org/x/net/http2/transport.go b/vendor/golang.org/x/net/http2/transport.go index 61f511f97a..0c5f64aa8b 100644 --- a/vendor/golang.org/x/net/http2/transport.go +++ b/vendor/golang.org/x/net/http2/transport.go @@ -25,7 +25,6 @@ import ( "net/http" "net/http/httptrace" "net/textproto" - "os" "sort" "strconv" "strings" @@ -227,40 +226,26 @@ func (t *Transport) contextWithTimeout(ctx context.Context, d time.Duration) (co } func (t *Transport) maxHeaderListSize() uint32 { - if t.MaxHeaderListSize == 0 { + n := int64(t.MaxHeaderListSize) + if t.t1 != nil && t.t1.MaxResponseHeaderBytes != 0 { + n = t.t1.MaxResponseHeaderBytes + if n > 0 { + n = adjustHTTP1MaxHeaderSize(n) + } + } + if n <= 0 { return 10 << 20 } - if t.MaxHeaderListSize == 0xffffffff { + if n >= 0xffffffff { return 0 } - return t.MaxHeaderListSize -} - -func (t *Transport) maxFrameReadSize() uint32 { - if t.MaxReadFrameSize == 0 { - return 0 // use the default provided by the peer - } - if t.MaxReadFrameSize < minMaxFrameSize { - return minMaxFrameSize - } - if t.MaxReadFrameSize > maxFrameSize { - return maxFrameSize - } - return t.MaxReadFrameSize + return uint32(n) } func (t *Transport) disableCompression() bool { return t.DisableCompression || (t.t1 != nil && t.t1.DisableCompression) } -func (t *Transport) pingTimeout() time.Duration { - if t.PingTimeout == 0 { - return 15 * time.Second - } - return t.PingTimeout - -} - // ConfigureTransport configures a net/http HTTP/1 Transport to use HTTP/2. // It returns an error if t1 has already been HTTP/2-enabled. // @@ -370,11 +355,14 @@ type ClientConn struct { lastActive time.Time lastIdle time.Time // time last idle // Settings from peer: (also guarded by wmu) - maxFrameSize uint32 - maxConcurrentStreams uint32 - peerMaxHeaderListSize uint64 - peerMaxHeaderTableSize uint32 - initialWindowSize uint32 + maxFrameSize uint32 + maxConcurrentStreams uint32 + peerMaxHeaderListSize uint64 + peerMaxHeaderTableSize uint32 + initialWindowSize uint32 + initialStreamRecvWindowSize int32 + readIdleTimeout time.Duration + pingTimeout time.Duration // reqHeaderMu is a 1-element semaphore channel controlling access to sending new requests. // Write to reqHeaderMu to lock it, read from it to unlock. @@ -499,6 +487,7 @@ func (cs *clientStream) closeReqBodyLocked() { } type stickyErrWriter struct { + group synctestGroupInterface conn net.Conn timeout time.Duration err *error @@ -508,22 +497,9 @@ func (sew stickyErrWriter) Write(p []byte) (n int, err error) { if *sew.err != nil { return 0, *sew.err } - for { - if sew.timeout != 0 { - sew.conn.SetWriteDeadline(time.Now().Add(sew.timeout)) - } - nn, err := sew.conn.Write(p[n:]) - n += nn - if n < len(p) && nn > 0 && errors.Is(err, os.ErrDeadlineExceeded) { - // Keep extending the deadline so long as we're making progress. - continue - } - if sew.timeout != 0 { - sew.conn.SetWriteDeadline(time.Time{}) - } - *sew.err = err - return n, err - } + n, err = writeWithByteTimeout(sew.group, sew.conn, sew.timeout, p) + *sew.err = err + return n, err } // noCachedConnError is the concrete type of ErrNoCachedConn, which @@ -758,44 +734,36 @@ func (t *Transport) expectContinueTimeout() time.Duration { return t.t1.ExpectContinueTimeout } -func (t *Transport) maxDecoderHeaderTableSize() uint32 { - if v := t.MaxDecoderHeaderTableSize; v > 0 { - return v - } - return initialHeaderTableSize -} - -func (t *Transport) maxEncoderHeaderTableSize() uint32 { - if v := t.MaxEncoderHeaderTableSize; v > 0 { - return v - } - return initialHeaderTableSize -} - func (t *Transport) NewClientConn(c net.Conn) (*ClientConn, error) { return t.newClientConn(c, t.disableKeepAlives()) } func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, error) { + conf := configFromTransport(t) cc := &ClientConn{ - t: t, - tconn: c, - readerDone: make(chan struct{}), - nextStreamID: 1, - maxFrameSize: 16 << 10, // spec default - initialWindowSize: 65535, // spec default - maxConcurrentStreams: initialMaxConcurrentStreams, // "infinite", per spec. Use a smaller value until we have received server settings. - peerMaxHeaderListSize: 0xffffffffffffffff, // "infinite", per spec. Use 2^64-1 instead. - streams: make(map[uint32]*clientStream), - singleUse: singleUse, - wantSettingsAck: true, - pings: make(map[[8]byte]chan struct{}), - reqHeaderMu: make(chan struct{}, 1), + t: t, + tconn: c, + readerDone: make(chan struct{}), + nextStreamID: 1, + maxFrameSize: 16 << 10, // spec default + initialWindowSize: 65535, // spec default + initialStreamRecvWindowSize: conf.MaxUploadBufferPerStream, + maxConcurrentStreams: initialMaxConcurrentStreams, // "infinite", per spec. Use a smaller value until we have received server settings. + peerMaxHeaderListSize: 0xffffffffffffffff, // "infinite", per spec. Use 2^64-1 instead. + streams: make(map[uint32]*clientStream), + singleUse: singleUse, + wantSettingsAck: true, + readIdleTimeout: conf.SendPingTimeout, + pingTimeout: conf.PingTimeout, + pings: make(map[[8]byte]chan struct{}), + reqHeaderMu: make(chan struct{}, 1), } + var group synctestGroupInterface if t.transportTestHooks != nil { t.markNewGoroutine() t.transportTestHooks.newclientconn(cc) c = cc.tconn + group = t.group } if VerboseLogs { t.vlogf("http2: Transport creating client conn %p to %v", cc, c.RemoteAddr()) @@ -807,24 +775,23 @@ func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, erro // TODO: adjust this writer size to account for frame size + // MTU + crypto/tls record padding. cc.bw = bufio.NewWriter(stickyErrWriter{ + group: group, conn: c, - timeout: t.WriteByteTimeout, + timeout: conf.WriteByteTimeout, err: &cc.werr, }) cc.br = bufio.NewReader(c) cc.fr = NewFramer(cc.bw, cc.br) - if t.maxFrameReadSize() != 0 { - cc.fr.SetMaxReadFrameSize(t.maxFrameReadSize()) - } + cc.fr.SetMaxReadFrameSize(conf.MaxReadFrameSize) if t.CountError != nil { cc.fr.countError = t.CountError } - maxHeaderTableSize := t.maxDecoderHeaderTableSize() + maxHeaderTableSize := conf.MaxDecoderHeaderTableSize cc.fr.ReadMetaHeaders = hpack.NewDecoder(maxHeaderTableSize, nil) cc.fr.MaxHeaderListSize = t.maxHeaderListSize() cc.henc = hpack.NewEncoder(&cc.hbuf) - cc.henc.SetMaxDynamicTableSizeLimit(t.maxEncoderHeaderTableSize()) + cc.henc.SetMaxDynamicTableSizeLimit(conf.MaxEncoderHeaderTableSize) cc.peerMaxHeaderTableSize = initialHeaderTableSize if cs, ok := c.(connectionStater); ok { @@ -834,11 +801,9 @@ func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, erro initialSettings := []Setting{ {ID: SettingEnablePush, Val: 0}, - {ID: SettingInitialWindowSize, Val: transportDefaultStreamFlow}, - } - if max := t.maxFrameReadSize(); max != 0 { - initialSettings = append(initialSettings, Setting{ID: SettingMaxFrameSize, Val: max}) + {ID: SettingInitialWindowSize, Val: uint32(cc.initialStreamRecvWindowSize)}, } + initialSettings = append(initialSettings, Setting{ID: SettingMaxFrameSize, Val: conf.MaxReadFrameSize}) if max := t.maxHeaderListSize(); max != 0 { initialSettings = append(initialSettings, Setting{ID: SettingMaxHeaderListSize, Val: max}) } @@ -848,8 +813,8 @@ func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, erro cc.bw.Write(clientPreface) cc.fr.WriteSettings(initialSettings...) - cc.fr.WriteWindowUpdate(0, transportDefaultConnFlow) - cc.inflow.init(transportDefaultConnFlow + initialWindowSize) + cc.fr.WriteWindowUpdate(0, uint32(conf.MaxUploadBufferPerConnection)) + cc.inflow.init(conf.MaxUploadBufferPerConnection + initialWindowSize) cc.bw.Flush() if cc.werr != nil { cc.Close() @@ -867,7 +832,7 @@ func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, erro } func (cc *ClientConn) healthCheck() { - pingTimeout := cc.t.pingTimeout() + pingTimeout := cc.pingTimeout // We don't need to periodically ping in the health check, because the readLoop of ClientConn will // trigger the healthCheck again if there is no frame received. ctx, cancel := cc.t.contextWithTimeout(context.Background(), pingTimeout) @@ -2199,7 +2164,7 @@ type resAndError struct { func (cc *ClientConn) addStreamLocked(cs *clientStream) { cs.flow.add(int32(cc.initialWindowSize)) cs.flow.setConnFlow(&cc.flow) - cs.inflow.init(transportDefaultStreamFlow) + cs.inflow.init(cc.initialStreamRecvWindowSize) cs.ID = cc.nextStreamID cc.nextStreamID += 2 cc.streams[cs.ID] = cs @@ -2345,7 +2310,7 @@ func (cc *ClientConn) countReadFrameError(err error) { func (rl *clientConnReadLoop) run() error { cc := rl.cc gotSettings := false - readIdleTimeout := cc.t.ReadIdleTimeout + readIdleTimeout := cc.readIdleTimeout var t timer if readIdleTimeout != 0 { t = cc.t.afterFunc(readIdleTimeout, cc.healthCheck) diff --git a/vendor/golang.org/x/net/http2/write.go b/vendor/golang.org/x/net/http2/write.go index 33f61398a1..6ff6bee7e9 100644 --- a/vendor/golang.org/x/net/http2/write.go +++ b/vendor/golang.org/x/net/http2/write.go @@ -131,6 +131,16 @@ func (se StreamError) writeFrame(ctx writeContext) error { func (se StreamError) staysWithinBuffer(max int) bool { return frameHeaderLen+4 <= max } +type writePing struct { + data [8]byte +} + +func (w writePing) writeFrame(ctx writeContext) error { + return ctx.Framer().WritePing(false, w.data) +} + +func (w writePing) staysWithinBuffer(max int) bool { return frameHeaderLen+len(w.data) <= max } + type writePingAck struct{ pf *PingFrame } func (w writePingAck) writeFrame(ctx writeContext) error { diff --git a/vendor/modules.txt b/vendor/modules.txt index 051d70b273..4eb1327ad5 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -380,7 +380,7 @@ go.opentelemetry.io/proto/otlp/trace/v1 ## explicit; go 1.20 golang.org/x/crypto/ed25519 golang.org/x/crypto/pbkdf2 -# golang.org/x/net v0.29.0 +# golang.org/x/net v0.30.0 ## explicit; go 1.18 golang.org/x/net/http/httpguts golang.org/x/net/http2