diff options
| author | Niall Sheridan <nsheridan@gmail.com> | 2017-10-18 13:15:14 +0100 |
|---|---|---|
| committer | Niall Sheridan <niall@intercom.io> | 2017-10-18 13:25:46 +0100 |
| commit | 7b320119ba532fd409ec7dade7ad02011c309599 (patch) | |
| tree | a39860f35b55e6cc499f8f5bfa969138c5dd6b73 /vendor/golang.org/x/net | |
| parent | 7c99874c7a3e7a89716f3ee0cdf696532e35ae35 (diff) | |
Update dependencies
Diffstat (limited to 'vendor/golang.org/x/net')
23 files changed, 1480 insertions, 513 deletions
diff --git a/vendor/golang.org/x/net/context/context.go b/vendor/golang.org/x/net/context/context.go index f143ed6..d3681ab 100644 --- a/vendor/golang.org/x/net/context/context.go +++ b/vendor/golang.org/x/net/context/context.go @@ -36,103 +36,6 @@ // Contexts. package context // import "golang.org/x/net/context" -import "time" - -// A Context carries a deadline, a cancelation signal, and other values across -// API boundaries. -// -// Context's methods may be called by multiple goroutines simultaneously. -type Context interface { - // Deadline returns the time when work done on behalf of this context - // should be canceled. Deadline returns ok==false when no deadline is - // set. Successive calls to Deadline return the same results. - Deadline() (deadline time.Time, ok bool) - - // Done returns a channel that's closed when work done on behalf of this - // context should be canceled. Done may return nil if this context can - // never be canceled. Successive calls to Done return the same value. - // - // WithCancel arranges for Done to be closed when cancel is called; - // WithDeadline arranges for Done to be closed when the deadline - // expires; WithTimeout arranges for Done to be closed when the timeout - // elapses. - // - // Done is provided for use in select statements: - // - // // Stream generates values with DoSomething and sends them to out - // // until DoSomething returns an error or ctx.Done is closed. - // func Stream(ctx context.Context, out chan<- Value) error { - // for { - // v, err := DoSomething(ctx) - // if err != nil { - // return err - // } - // select { - // case <-ctx.Done(): - // return ctx.Err() - // case out <- v: - // } - // } - // } - // - // See http://blog.golang.org/pipelines for more examples of how to use - // a Done channel for cancelation. - Done() <-chan struct{} - - // Err returns a non-nil error value after Done is closed. Err returns - // Canceled if the context was canceled or DeadlineExceeded if the - // context's deadline passed. No other values for Err are defined. - // After Done is closed, successive calls to Err return the same value. - Err() error - - // Value returns the value associated with this context for key, or nil - // if no value is associated with key. Successive calls to Value with - // the same key returns the same result. - // - // Use context values only for request-scoped data that transits - // processes and API boundaries, not for passing optional parameters to - // functions. - // - // A key identifies a specific value in a Context. Functions that wish - // to store values in Context typically allocate a key in a global - // variable then use that key as the argument to context.WithValue and - // Context.Value. A key can be any type that supports equality; - // packages should define keys as an unexported type to avoid - // collisions. - // - // Packages that define a Context key should provide type-safe accessors - // for the values stores using that key: - // - // // Package user defines a User type that's stored in Contexts. - // package user - // - // import "golang.org/x/net/context" - // - // // User is the type of value stored in the Contexts. - // type User struct {...} - // - // // key is an unexported type for keys defined in this package. - // // This prevents collisions with keys defined in other packages. - // type key int - // - // // userKey is the key for user.User values in Contexts. It is - // // unexported; clients use user.NewContext and user.FromContext - // // instead of using this key directly. - // var userKey key = 0 - // - // // NewContext returns a new Context that carries value u. - // func NewContext(ctx context.Context, u *User) context.Context { - // return context.WithValue(ctx, userKey, u) - // } - // - // // FromContext returns the User value stored in ctx, if any. - // func FromContext(ctx context.Context) (*User, bool) { - // u, ok := ctx.Value(userKey).(*User) - // return u, ok - // } - Value(key interface{}) interface{} -} - // Background returns a non-nil, empty Context. It is never canceled, has no // values, and has no deadline. It is typically used by the main function, // initialization, and tests, and as the top-level Context for incoming @@ -149,8 +52,3 @@ func Background() Context { func TODO() Context { return todo } - -// A CancelFunc tells an operation to abandon its work. -// A CancelFunc does not wait for the work to stop. -// After the first call, subsequent calls to a CancelFunc do nothing. -type CancelFunc func() diff --git a/vendor/golang.org/x/net/context/go19.go b/vendor/golang.org/x/net/context/go19.go new file mode 100644 index 0000000..d88bd1d --- /dev/null +++ b/vendor/golang.org/x/net/context/go19.go @@ -0,0 +1,20 @@ +// Copyright 2017 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. + +// +build go1.9 + +package context + +import "context" // standard library's context, as of Go 1.7 + +// A Context carries a deadline, a cancelation signal, and other values across +// API boundaries. +// +// Context's methods may be called by multiple goroutines simultaneously. +type Context = context.Context + +// A CancelFunc tells an operation to abandon its work. +// A CancelFunc does not wait for the work to stop. +// After the first call, subsequent calls to a CancelFunc do nothing. +type CancelFunc = context.CancelFunc diff --git a/vendor/golang.org/x/net/context/pre_go19.go b/vendor/golang.org/x/net/context/pre_go19.go new file mode 100644 index 0000000..b105f80 --- /dev/null +++ b/vendor/golang.org/x/net/context/pre_go19.go @@ -0,0 +1,109 @@ +// Copyright 2014 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. + +// +build !go1.9 + +package context + +import "time" + +// A Context carries a deadline, a cancelation signal, and other values across +// API boundaries. +// +// Context's methods may be called by multiple goroutines simultaneously. +type Context interface { + // Deadline returns the time when work done on behalf of this context + // should be canceled. Deadline returns ok==false when no deadline is + // set. Successive calls to Deadline return the same results. + Deadline() (deadline time.Time, ok bool) + + // Done returns a channel that's closed when work done on behalf of this + // context should be canceled. Done may return nil if this context can + // never be canceled. Successive calls to Done return the same value. + // + // WithCancel arranges for Done to be closed when cancel is called; + // WithDeadline arranges for Done to be closed when the deadline + // expires; WithTimeout arranges for Done to be closed when the timeout + // elapses. + // + // Done is provided for use in select statements: + // + // // Stream generates values with DoSomething and sends them to out + // // until DoSomething returns an error or ctx.Done is closed. + // func Stream(ctx context.Context, out chan<- Value) error { + // for { + // v, err := DoSomething(ctx) + // if err != nil { + // return err + // } + // select { + // case <-ctx.Done(): + // return ctx.Err() + // case out <- v: + // } + // } + // } + // + // See http://blog.golang.org/pipelines for more examples of how to use + // a Done channel for cancelation. + Done() <-chan struct{} + + // Err returns a non-nil error value after Done is closed. Err returns + // Canceled if the context was canceled or DeadlineExceeded if the + // context's deadline passed. No other values for Err are defined. + // After Done is closed, successive calls to Err return the same value. + Err() error + + // Value returns the value associated with this context for key, or nil + // if no value is associated with key. Successive calls to Value with + // the same key returns the same result. + // + // Use context values only for request-scoped data that transits + // processes and API boundaries, not for passing optional parameters to + // functions. + // + // A key identifies a specific value in a Context. Functions that wish + // to store values in Context typically allocate a key in a global + // variable then use that key as the argument to context.WithValue and + // Context.Value. A key can be any type that supports equality; + // packages should define keys as an unexported type to avoid + // collisions. + // + // Packages that define a Context key should provide type-safe accessors + // for the values stores using that key: + // + // // Package user defines a User type that's stored in Contexts. + // package user + // + // import "golang.org/x/net/context" + // + // // User is the type of value stored in the Contexts. + // type User struct {...} + // + // // key is an unexported type for keys defined in this package. + // // This prevents collisions with keys defined in other packages. + // type key int + // + // // userKey is the key for user.User values in Contexts. It is + // // unexported; clients use user.NewContext and user.FromContext + // // instead of using this key directly. + // var userKey key = 0 + // + // // NewContext returns a new Context that carries value u. + // func NewContext(ctx context.Context, u *User) context.Context { + // return context.WithValue(ctx, userKey, u) + // } + // + // // FromContext returns the User value stored in ctx, if any. + // func FromContext(ctx context.Context) (*User, bool) { + // u, ok := ctx.Value(userKey).(*User) + // return u, ok + // } + Value(key interface{}) interface{} +} + +// A CancelFunc tells an operation to abandon its work. +// A CancelFunc does not wait for the work to stop. +// After the first call, subsequent calls to a CancelFunc do nothing. +type CancelFunc func() diff --git a/vendor/golang.org/x/net/http2/ciphers.go b/vendor/golang.org/x/net/http2/ciphers.go new file mode 100644 index 0000000..698860b --- /dev/null +++ b/vendor/golang.org/x/net/http2/ciphers.go @@ -0,0 +1,641 @@ +// Copyright 2017 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 + +// A list of the possible cipher suite ids. Taken from +// http://www.iana.org/assignments/tls-parameters/tls-parameters.txt + +const ( + cipher_TLS_NULL_WITH_NULL_NULL uint16 = 0x0000 + cipher_TLS_RSA_WITH_NULL_MD5 uint16 = 0x0001 + cipher_TLS_RSA_WITH_NULL_SHA uint16 = 0x0002 + cipher_TLS_RSA_EXPORT_WITH_RC4_40_MD5 uint16 = 0x0003 + cipher_TLS_RSA_WITH_RC4_128_MD5 uint16 = 0x0004 + cipher_TLS_RSA_WITH_RC4_128_SHA uint16 = 0x0005 + cipher_TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 uint16 = 0x0006 + cipher_TLS_RSA_WITH_IDEA_CBC_SHA uint16 = 0x0007 + cipher_TLS_RSA_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x0008 + cipher_TLS_RSA_WITH_DES_CBC_SHA uint16 = 0x0009 + cipher_TLS_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x000A + cipher_TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x000B + cipher_TLS_DH_DSS_WITH_DES_CBC_SHA uint16 = 0x000C + cipher_TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA uint16 = 0x000D + cipher_TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x000E + cipher_TLS_DH_RSA_WITH_DES_CBC_SHA uint16 = 0x000F + cipher_TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x0010 + cipher_TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x0011 + cipher_TLS_DHE_DSS_WITH_DES_CBC_SHA uint16 = 0x0012 + cipher_TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA uint16 = 0x0013 + cipher_TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x0014 + cipher_TLS_DHE_RSA_WITH_DES_CBC_SHA uint16 = 0x0015 + cipher_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x0016 + cipher_TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 uint16 = 0x0017 + cipher_TLS_DH_anon_WITH_RC4_128_MD5 uint16 = 0x0018 + cipher_TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x0019 + cipher_TLS_DH_anon_WITH_DES_CBC_SHA uint16 = 0x001A + cipher_TLS_DH_anon_WITH_3DES_EDE_CBC_SHA uint16 = 0x001B + // Reserved uint16 = 0x001C-1D + cipher_TLS_KRB5_WITH_DES_CBC_SHA uint16 = 0x001E + cipher_TLS_KRB5_WITH_3DES_EDE_CBC_SHA uint16 = 0x001F + cipher_TLS_KRB5_WITH_RC4_128_SHA uint16 = 0x0020 + cipher_TLS_KRB5_WITH_IDEA_CBC_SHA uint16 = 0x0021 + cipher_TLS_KRB5_WITH_DES_CBC_MD5 uint16 = 0x0022 + cipher_TLS_KRB5_WITH_3DES_EDE_CBC_MD5 uint16 = 0x0023 + cipher_TLS_KRB5_WITH_RC4_128_MD5 uint16 = 0x0024 + cipher_TLS_KRB5_WITH_IDEA_CBC_MD5 uint16 = 0x0025 + cipher_TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA uint16 = 0x0026 + cipher_TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA uint16 = 0x0027 + cipher_TLS_KRB5_EXPORT_WITH_RC4_40_SHA uint16 = 0x0028 + cipher_TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5 uint16 = 0x0029 + cipher_TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5 uint16 = 0x002A + cipher_TLS_KRB5_EXPORT_WITH_RC4_40_MD5 uint16 = 0x002B + cipher_TLS_PSK_WITH_NULL_SHA uint16 = 0x002C + cipher_TLS_DHE_PSK_WITH_NULL_SHA uint16 = 0x002D + cipher_TLS_RSA_PSK_WITH_NULL_SHA uint16 = 0x002E + cipher_TLS_RSA_WITH_AES_128_CBC_SHA uint16 = 0x002F + cipher_TLS_DH_DSS_WITH_AES_128_CBC_SHA uint16 = 0x0030 + cipher_TLS_DH_RSA_WITH_AES_128_CBC_SHA uint16 = 0x0031 + cipher_TLS_DHE_DSS_WITH_AES_128_CBC_SHA uint16 = 0x0032 + cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA uint16 = 0x0033 + cipher_TLS_DH_anon_WITH_AES_128_CBC_SHA uint16 = 0x0034 + cipher_TLS_RSA_WITH_AES_256_CBC_SHA uint16 = 0x0035 + cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA uint16 = 0x0036 + cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA uint16 = 0x0037 + cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA uint16 = 0x0038 + cipher_TLS_DHE_RSA_WITH_AES_256_CBC_SHA uint16 = 0x0039 + cipher_TLS_DH_anon_WITH_AES_256_CBC_SHA uint16 = 0x003A + cipher_TLS_RSA_WITH_NULL_SHA256 uint16 = 0x003B + cipher_TLS_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0x003C + cipher_TLS_RSA_WITH_AES_256_CBC_SHA256 uint16 = 0x003D + cipher_TLS_DH_DSS_WITH_AES_128_CBC_SHA256 uint16 = 0x003E + cipher_TLS_DH_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0x003F + cipher_TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 uint16 = 0x0040 + cipher_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0041 + cipher_TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0042 + cipher_TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0043 + cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0044 + cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0045 + cipher_TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0046 + // Reserved uint16 = 0x0047-4F + // Reserved uint16 = 0x0050-58 + // Reserved uint16 = 0x0059-5C + // Unassigned uint16 = 0x005D-5F + // Reserved uint16 = 0x0060-66 + cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0x0067 + cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA256 uint16 = 0x0068 + cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA256 uint16 = 0x0069 + cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 uint16 = 0x006A + cipher_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 uint16 = 0x006B + cipher_TLS_DH_anon_WITH_AES_128_CBC_SHA256 uint16 = 0x006C + cipher_TLS_DH_anon_WITH_AES_256_CBC_SHA256 uint16 = 0x006D + // Unassigned uint16 = 0x006E-83 + cipher_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0084 + cipher_TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0085 + cipher_TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0086 + cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0087 + cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0088 + cipher_TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0089 + cipher_TLS_PSK_WITH_RC4_128_SHA uint16 = 0x008A + cipher_TLS_PSK_WITH_3DES_EDE_CBC_SHA uint16 = 0x008B + cipher_TLS_PSK_WITH_AES_128_CBC_SHA uint16 = 0x008C + cipher_TLS_PSK_WITH_AES_256_CBC_SHA uint16 = 0x008D + cipher_TLS_DHE_PSK_WITH_RC4_128_SHA uint16 = 0x008E + cipher_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA uint16 = 0x008F + cipher_TLS_DHE_PSK_WITH_AES_128_CBC_SHA uint16 = 0x0090 + cipher_TLS_DHE_PSK_WITH_AES_256_CBC_SHA uint16 = 0x0091 + cipher_TLS_RSA_PSK_WITH_RC4_128_SHA uint16 = 0x0092 + cipher_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA uint16 = 0x0093 + cipher_TLS_RSA_PSK_WITH_AES_128_CBC_SHA uint16 = 0x0094 + cipher_TLS_RSA_PSK_WITH_AES_256_CBC_SHA uint16 = 0x0095 + cipher_TLS_RSA_WITH_SEED_CBC_SHA uint16 = 0x0096 + cipher_TLS_DH_DSS_WITH_SEED_CBC_SHA uint16 = 0x0097 + cipher_TLS_DH_RSA_WITH_SEED_CBC_SHA uint16 = 0x0098 + cipher_TLS_DHE_DSS_WITH_SEED_CBC_SHA uint16 = 0x0099 + cipher_TLS_DHE_RSA_WITH_SEED_CBC_SHA uint16 = 0x009A + cipher_TLS_DH_anon_WITH_SEED_CBC_SHA uint16 = 0x009B + cipher_TLS_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0x009C + cipher_TLS_RSA_WITH_AES_256_GCM_SHA384 uint16 = 0x009D + cipher_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0x009E + cipher_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 uint16 = 0x009F + cipher_TLS_DH_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0x00A0 + cipher_TLS_DH_RSA_WITH_AES_256_GCM_SHA384 uint16 = 0x00A1 + cipher_TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 uint16 = 0x00A2 + cipher_TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 uint16 = 0x00A3 + cipher_TLS_DH_DSS_WITH_AES_128_GCM_SHA256 uint16 = 0x00A4 + cipher_TLS_DH_DSS_WITH_AES_256_GCM_SHA384 uint16 = 0x00A5 + cipher_TLS_DH_anon_WITH_AES_128_GCM_SHA256 uint16 = 0x00A6 + cipher_TLS_DH_anon_WITH_AES_256_GCM_SHA384 uint16 = 0x00A7 + cipher_TLS_PSK_WITH_AES_128_GCM_SHA256 uint16 = 0x00A8 + cipher_TLS_PSK_WITH_AES_256_GCM_SHA384 uint16 = 0x00A9 + cipher_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 uint16 = 0x00AA + cipher_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 uint16 = 0x00AB + cipher_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 uint16 = 0x00AC + cipher_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 uint16 = 0x00AD + cipher_TLS_PSK_WITH_AES_128_CBC_SHA256 uint16 = 0x00AE + cipher_TLS_PSK_WITH_AES_256_CBC_SHA384 uint16 = 0x00AF + cipher_TLS_PSK_WITH_NULL_SHA256 uint16 = 0x00B0 + cipher_TLS_PSK_WITH_NULL_SHA384 uint16 = 0x00B1 + cipher_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 uint16 = 0x00B2 + cipher_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 uint16 = 0x00B3 + cipher_TLS_DHE_PSK_WITH_NULL_SHA256 uint16 = 0x00B4 + cipher_TLS_DHE_PSK_WITH_NULL_SHA384 uint16 = 0x00B5 + cipher_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 uint16 = 0x00B6 + cipher_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 uint16 = 0x00B7 + cipher_TLS_RSA_PSK_WITH_NULL_SHA256 uint16 = 0x00B8 + cipher_TLS_RSA_PSK_WITH_NULL_SHA384 uint16 = 0x00B9 + cipher_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BA + cipher_TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BB + cipher_TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BC + cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BD + cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BE + cipher_TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BF + cipher_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C0 + cipher_TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C1 + cipher_TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C2 + cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C3 + cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C4 + cipher_TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C5 + // Unassigned uint16 = 0x00C6-FE + cipher_TLS_EMPTY_RENEGOTIATION_INFO_SCSV uint16 = 0x00FF + // Unassigned uint16 = 0x01-55,* + cipher_TLS_FALLBACK_SCSV uint16 = 0x5600 + // Unassigned uint16 = 0x5601 - 0xC000 + cipher_TLS_ECDH_ECDSA_WITH_NULL_SHA uint16 = 0xC001 + cipher_TLS_ECDH_ECDSA_WITH_RC4_128_SHA uint16 = 0xC002 + cipher_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC003 + cipher_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA uint16 = 0xC004 + cipher_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA uint16 = 0xC005 + cipher_TLS_ECDHE_ECDSA_WITH_NULL_SHA uint16 = 0xC006 + cipher_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA uint16 = 0xC007 + cipher_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC008 + cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA uint16 = 0xC009 + cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA uint16 = 0xC00A + cipher_TLS_ECDH_RSA_WITH_NULL_SHA uint16 = 0xC00B + cipher_TLS_ECDH_RSA_WITH_RC4_128_SHA uint16 = 0xC00C + cipher_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC00D + cipher_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA uint16 = 0xC00E + cipher_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA uint16 = 0xC00F + cipher_TLS_ECDHE_RSA_WITH_NULL_SHA uint16 = 0xC010 + cipher_TLS_ECDHE_RSA_WITH_RC4_128_SHA uint16 = 0xC011 + cipher_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC012 + cipher_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA uint16 = 0xC013 + cipher_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA uint16 = 0xC014 + cipher_TLS_ECDH_anon_WITH_NULL_SHA uint16 = 0xC015 + cipher_TLS_ECDH_anon_WITH_RC4_128_SHA uint16 = 0xC016 + cipher_TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA uint16 = 0xC017 + cipher_TLS_ECDH_anon_WITH_AES_128_CBC_SHA uint16 = 0xC018 + cipher_TLS_ECDH_anon_WITH_AES_256_CBC_SHA uint16 = 0xC019 + cipher_TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC01A + cipher_TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC01B + cipher_TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA uint16 = 0xC01C + cipher_TLS_SRP_SHA_WITH_AES_128_CBC_SHA uint16 = 0xC01D + cipher_TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA uint16 = 0xC01E + cipher_TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA uint16 = 0xC01F + cipher_TLS_SRP_SHA_WITH_AES_256_CBC_SHA uint16 = 0xC020 + cipher_TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA uint16 = 0xC021 + cipher_TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA uint16 = 0xC022 + cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 uint16 = 0xC023 + cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 uint16 = 0xC024 + cipher_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 uint16 = 0xC025 + cipher_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 uint16 = 0xC026 + cipher_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0xC027 + cipher_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 uint16 = 0xC028 + cipher_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0xC029 + cipher_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 uint16 = 0xC02A + cipher_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 uint16 = 0xC02B + cipher_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 uint16 = 0xC02C + cipher_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 uint16 = 0xC02D + cipher_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 uint16 = 0xC02E + cipher_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0xC02F + cipher_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 uint16 = 0xC030 + cipher_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0xC031 + cipher_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 uint16 = 0xC032 + cipher_TLS_ECDHE_PSK_WITH_RC4_128_SHA uint16 = 0xC033 + cipher_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA uint16 = 0xC034 + cipher_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA uint16 = 0xC035 + cipher_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA uint16 = 0xC036 + cipher_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 uint16 = 0xC037 + cipher_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 uint16 = 0xC038 + cipher_TLS_ECDHE_PSK_WITH_NULL_SHA uint16 = 0xC039 + cipher_TLS_ECDHE_PSK_WITH_NULL_SHA256 uint16 = 0xC03A + cipher_TLS_ECDHE_PSK_WITH_NULL_SHA384 uint16 = 0xC03B + cipher_TLS_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC03C + cipher_TLS_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC03D + cipher_TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC03E + cipher_TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC03F + cipher_TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC040 + cipher_TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC041 + cipher_TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC042 + cipher_TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC043 + cipher_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC044 + cipher_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC045 + cipher_TLS_DH_anon_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC046 + cipher_TLS_DH_anon_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC047 + cipher_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC048 + cipher_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC049 + cipher_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC04A + cipher_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC04B + cipher_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC04C + cipher_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC04D + cipher_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC04E + cipher_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC04F + cipher_TLS_RSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC050 + cipher_TLS_RSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC051 + cipher_TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC052 + cipher_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC053 + cipher_TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC054 + cipher_TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC055 + cipher_TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC056 + cipher_TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC057 + cipher_TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC058 + cipher_TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC059 + cipher_TLS_DH_anon_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC05A + cipher_TLS_DH_anon_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC05B + cipher_TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC05C + cipher_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC05D + cipher_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC05E + cipher_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC05F + cipher_TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC060 + cipher_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC061 + cipher_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC062 + cipher_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC063 + cipher_TLS_PSK_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC064 + cipher_TLS_PSK_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC065 + cipher_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC066 + cipher_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC067 + cipher_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC068 + cipher_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC069 + cipher_TLS_PSK_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC06A + cipher_TLS_PSK_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC06B + cipher_TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC06C + cipher_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC06D + cipher_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC06E + cipher_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC06F + cipher_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC070 + cipher_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC071 + cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC072 + cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC073 + cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC074 + cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC075 + cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC076 + cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC077 + cipher_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC078 + cipher_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC079 + cipher_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC07A + cipher_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC07B + cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC07C + cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC07D + cipher_TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC07E + cipher_TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC07F + cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC080 + cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC081 + cipher_TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC082 + cipher_TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC083 + cipher_TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC084 + cipher_TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC085 + cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC086 + cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC087 + cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC088 + cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC089 + cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC08A + cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC08B + cipher_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC08C + cipher_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC08D + cipher_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC08E + cipher_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC08F + cipher_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC090 + cipher_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC091 + cipher_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC092 + cipher_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC093 + cipher_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC094 + cipher_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC095 + cipher_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC096 + cipher_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC097 + cipher_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC098 + cipher_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC099 + cipher_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC09A + cipher_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC09B + cipher_TLS_RSA_WITH_AES_128_CCM uint16 = 0xC09C + cipher_TLS_RSA_WITH_AES_256_CCM uint16 = 0xC09D + cipher_TLS_DHE_RSA_WITH_AES_128_CCM uint16 = 0xC09E + cipher_TLS_DHE_RSA_WITH_AES_256_CCM uint16 = 0xC09F + cipher_TLS_RSA_WITH_AES_128_CCM_8 uint16 = 0xC0A0 + cipher_TLS_RSA_WITH_AES_256_CCM_8 uint16 = 0xC0A1 + cipher_TLS_DHE_RSA_WITH_AES_128_CCM_8 uint16 = 0xC0A2 + cipher_TLS_DHE_RSA_WITH_AES_256_CCM_8 uint16 = 0xC0A3 + cipher_TLS_PSK_WITH_AES_128_CCM uint16 = 0xC0A4 + cipher_TLS_PSK_WITH_AES_256_CCM uint16 = 0xC0A5 + cipher_TLS_DHE_PSK_WITH_AES_128_CCM uint16 = 0xC0A6 + cipher_TLS_DHE_PSK_WITH_AES_256_CCM uint16 = 0xC0A7 + cipher_TLS_PSK_WITH_AES_128_CCM_8 uint16 = 0xC0A8 + cipher_TLS_PSK_WITH_AES_256_CCM_8 uint16 = 0xC0A9 + cipher_TLS_PSK_DHE_WITH_AES_128_CCM_8 uint16 = 0xC0AA + cipher_TLS_PSK_DHE_WITH_AES_256_CCM_8 uint16 = 0xC0AB + cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CCM uint16 = 0xC0AC + cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CCM uint16 = 0xC0AD + cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 uint16 = 0xC0AE + cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 uint16 = 0xC0AF + // Unassigned uint16 = 0xC0B0-FF + // Unassigned uint16 = 0xC1-CB,* + // Unassigned uint16 = 0xCC00-A7 + cipher_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 uint16 = 0xCCA8 + cipher_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 uint16 = 0xCCA9 + cipher_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 uint16 = 0xCCAA + cipher_TLS_PSK_WITH_CHACHA20_POLY1305_SHA256 uint16 = 0xCCAB + cipher_TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256 uint16 = 0xCCAC + cipher_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 uint16 = 0xCCAD + cipher_TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256 uint16 = 0xCCAE +) + +// isBadCipher reports whether the cipher is blacklisted by the HTTP/2 spec. +// References: +// https://tools.ietf.org/html/rfc7540#appendix-A +// Reject cipher suites from Appendix A. +// "This list includes those cipher suites that do not +// offer an ephemeral key exchange and those that are +// based on the TLS null, stream or block cipher type" +func isBadCipher(cipher uint16) bool { + switch cipher { + case cipher_TLS_NULL_WITH_NULL_NULL, + cipher_TLS_RSA_WITH_NULL_MD5, + cipher_TLS_RSA_WITH_NULL_SHA, + cipher_TLS_RSA_EXPORT_WITH_RC4_40_MD5, + cipher_TLS_RSA_WITH_RC4_128_MD5, + cipher_TLS_RSA_WITH_RC4_128_SHA, + cipher_TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5, + cipher_TLS_RSA_WITH_IDEA_CBC_SHA, + cipher_TLS_RSA_EXPORT_WITH_DES40_CBC_SHA, + cipher_TLS_RSA_WITH_DES_CBC_SHA, + cipher_TLS_RSA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA, + cipher_TLS_DH_DSS_WITH_DES_CBC_SHA, + cipher_TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA, + cipher_TLS_DH_RSA_WITH_DES_CBC_SHA, + cipher_TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA, + cipher_TLS_DHE_DSS_WITH_DES_CBC_SHA, + cipher_TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA, + cipher_TLS_DHE_RSA_WITH_DES_CBC_SHA, + cipher_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_DH_anon_EXPORT_WITH_RC4_40_MD5, + cipher_TLS_DH_anon_WITH_RC4_128_MD5, + cipher_TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA, + cipher_TLS_DH_anon_WITH_DES_CBC_SHA, + cipher_TLS_DH_anon_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_KRB5_WITH_DES_CBC_SHA, + cipher_TLS_KRB5_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_KRB5_WITH_RC4_128_SHA, + cipher_TLS_KRB5_WITH_IDEA_CBC_SHA, + cipher_TLS_KRB5_WITH_DES_CBC_MD5, + cipher_TLS_KRB5_WITH_3DES_EDE_CBC_MD5, + cipher_TLS_KRB5_WITH_RC4_128_MD5, + cipher_TLS_KRB5_WITH_IDEA_CBC_MD5, + cipher_TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA, + cipher_TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA, + cipher_TLS_KRB5_EXPORT_WITH_RC4_40_SHA, + cipher_TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5, + cipher_TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5, + cipher_TLS_KRB5_EXPORT_WITH_RC4_40_MD5, + cipher_TLS_PSK_WITH_NULL_SHA, + cipher_TLS_DHE_PSK_WITH_NULL_SHA, + cipher_TLS_RSA_PSK_WITH_NULL_SHA, + cipher_TLS_RSA_WITH_AES_128_CBC_SHA, + cipher_TLS_DH_DSS_WITH_AES_128_CBC_SHA, + cipher_TLS_DH_RSA_WITH_AES_128_CBC_SHA, + cipher_TLS_DHE_DSS_WITH_AES_128_CBC_SHA, + cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA, + cipher_TLS_DH_anon_WITH_AES_128_CBC_SHA, + cipher_TLS_RSA_WITH_AES_256_CBC_SHA, + cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA, + cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA, + cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA, + cipher_TLS_DHE_RSA_WITH_AES_256_CBC_SHA, + cipher_TLS_DH_anon_WITH_AES_256_CBC_SHA, + cipher_TLS_RSA_WITH_NULL_SHA256, + cipher_TLS_RSA_WITH_AES_128_CBC_SHA256, + cipher_TLS_RSA_WITH_AES_256_CBC_SHA256, + cipher_TLS_DH_DSS_WITH_AES_128_CBC_SHA256, + cipher_TLS_DH_RSA_WITH_AES_128_CBC_SHA256, + cipher_TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, + cipher_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA, + cipher_TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA, + cipher_TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA, + cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA, + cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA, + cipher_TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA, + cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, + cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA256, + cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA256, + cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, + cipher_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, + cipher_TLS_DH_anon_WITH_AES_128_CBC_SHA256, + cipher_TLS_DH_anon_WITH_AES_256_CBC_SHA256, + cipher_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA, + cipher_TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA, + cipher_TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA, + cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA, + cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA, + cipher_TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA, + cipher_TLS_PSK_WITH_RC4_128_SHA, + cipher_TLS_PSK_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_PSK_WITH_AES_128_CBC_SHA, + cipher_TLS_PSK_WITH_AES_256_CBC_SHA, + cipher_TLS_DHE_PSK_WITH_RC4_128_SHA, + cipher_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_DHE_PSK_WITH_AES_128_CBC_SHA, + cipher_TLS_DHE_PSK_WITH_AES_256_CBC_SHA, + cipher_TLS_RSA_PSK_WITH_RC4_128_SHA, + cipher_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_RSA_PSK_WITH_AES_128_CBC_SHA, + cipher_TLS_RSA_PSK_WITH_AES_256_CBC_SHA, + cipher_TLS_RSA_WITH_SEED_CBC_SHA, + cipher_TLS_DH_DSS_WITH_SEED_CBC_SHA, + cipher_TLS_DH_RSA_WITH_SEED_CBC_SHA, + cipher_TLS_DHE_DSS_WITH_SEED_CBC_SHA, + cipher_TLS_DHE_RSA_WITH_SEED_CBC_SHA, + cipher_TLS_DH_anon_WITH_SEED_CBC_SHA, + cipher_TLS_RSA_WITH_AES_128_GCM_SHA256, + cipher_TLS_RSA_WITH_AES_256_GCM_SHA384, + cipher_TLS_DH_RSA_WITH_AES_128_GCM_SHA256, + cipher_TLS_DH_RSA_WITH_AES_256_GCM_SHA384, + cipher_TLS_DH_DSS_WITH_AES_128_GCM_SHA256, + cipher_TLS_DH_DSS_WITH_AES_256_GCM_SHA384, + cipher_TLS_DH_anon_WITH_AES_128_GCM_SHA256, + cipher_TLS_DH_anon_WITH_AES_256_GCM_SHA384, + cipher_TLS_PSK_WITH_AES_128_GCM_SHA256, + cipher_TLS_PSK_WITH_AES_256_GCM_SHA384, + cipher_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256, + cipher_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384, + cipher_TLS_PSK_WITH_AES_128_CBC_SHA256, + cipher_TLS_PSK_WITH_AES_256_CBC_SHA384, + cipher_TLS_PSK_WITH_NULL_SHA256, + cipher_TLS_PSK_WITH_NULL_SHA384, + cipher_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256, + cipher_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384, + cipher_TLS_DHE_PSK_WITH_NULL_SHA256, + cipher_TLS_DHE_PSK_WITH_NULL_SHA384, + cipher_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256, + cipher_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384, + cipher_TLS_RSA_PSK_WITH_NULL_SHA256, + cipher_TLS_RSA_PSK_WITH_NULL_SHA384, + cipher_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256, + cipher_TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256, + cipher_TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256, + cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256, + cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256, + cipher_TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256, + cipher_TLS_EMPTY_RENEGOTIATION_INFO_SCSV, + cipher_TLS_ECDH_ECDSA_WITH_NULL_SHA, + cipher_TLS_ECDH_ECDSA_WITH_RC4_128_SHA, + cipher_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, + cipher_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA, + cipher_TLS_ECDHE_ECDSA_WITH_NULL_SHA, + cipher_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, + cipher_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, + cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, + cipher_TLS_ECDH_RSA_WITH_NULL_SHA, + cipher_TLS_ECDH_RSA_WITH_RC4_128_SHA, + cipher_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, + cipher_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA, + cipher_TLS_ECDHE_RSA_WITH_NULL_SHA, + cipher_TLS_ECDHE_RSA_WITH_RC4_128_SHA, + cipher_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, + cipher_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, + cipher_TLS_ECDH_anon_WITH_NULL_SHA, + cipher_TLS_ECDH_anon_WITH_RC4_128_SHA, + cipher_TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_ECDH_anon_WITH_AES_128_CBC_SHA, + cipher_TLS_ECDH_anon_WITH_AES_256_CBC_SHA, + cipher_TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_SRP_SHA_WITH_AES_128_CBC_SHA, + cipher_TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA, + cipher_TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA, + cipher_TLS_SRP_SHA_WITH_AES_256_CBC_SHA, + cipher_TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA, + cipher_TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA, + cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, + cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, + cipher_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256, + cipher_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, + cipher_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, + cipher_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, + cipher_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256, + cipher_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, + cipher_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256, + cipher_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384, + cipher_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256, + cipher_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384, + cipher_TLS_ECDHE_PSK_WITH_RC4_128_SHA, + cipher_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA, + cipher_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA, + cipher_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA, + cipher_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256, + cipher_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384, + cipher_TLS_ECDHE_PSK_WITH_NULL_SHA, + cipher_TLS_ECDHE_PSK_WITH_NULL_SHA256, + cipher_TLS_ECDHE_PSK_WITH_NULL_SHA384, + cipher_TLS_RSA_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_RSA_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_DH_anon_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_DH_anon_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_RSA_WITH_ARIA_128_GCM_SHA256, + cipher_TLS_RSA_WITH_ARIA_256_GCM_SHA384, + cipher_TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256, + cipher_TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384, + cipher_TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256, + cipher_TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384, + cipher_TLS_DH_anon_WITH_ARIA_128_GCM_SHA256, + cipher_TLS_DH_anon_WITH_ARIA_256_GCM_SHA384, + cipher_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256, + cipher_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384, + cipher_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256, + cipher_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384, + cipher_TLS_PSK_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_PSK_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_PSK_WITH_ARIA_128_GCM_SHA256, + cipher_TLS_PSK_WITH_ARIA_256_GCM_SHA384, + cipher_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256, + cipher_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384, + cipher_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256, + cipher_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384, + cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384, + cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384, + cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384, + cipher_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384, + cipher_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256, + cipher_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384, + cipher_TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256, + cipher_TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384, + cipher_TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256, + cipher_TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384, + cipher_TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256, + cipher_TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384, + cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256, + cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384, + cipher_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256, + cipher_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384, + cipher_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256, + cipher_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384, + cipher_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256, + cipher_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384, + cipher_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384, + cipher_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384, + cipher_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384, + cipher_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256, + cipher_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384, + cipher_TLS_RSA_WITH_AES_128_CCM, + cipher_TLS_RSA_WITH_AES_256_CCM, + cipher_TLS_RSA_WITH_AES_128_CCM_8, + cipher_TLS_RSA_WITH_AES_256_CCM_8, + cipher_TLS_PSK_WITH_AES_128_CCM, + cipher_TLS_PSK_WITH_AES_256_CCM, + cipher_TLS_PSK_WITH_AES_128_CCM_8, + cipher_TLS_PSK_WITH_AES_256_CCM_8: + return true + default: + return false + } +} diff --git a/vendor/golang.org/x/net/http2/configure_transport.go b/vendor/golang.org/x/net/http2/configure_transport.go index 4f720f5..b65fc6d 100644 --- a/vendor/golang.org/x/net/http2/configure_transport.go +++ b/vendor/golang.org/x/net/http2/configure_transport.go @@ -56,7 +56,7 @@ func configureTransport(t1 *http.Transport) (*Transport, error) { } // registerHTTPSProtocol calls Transport.RegisterProtocol but -// convering panics into errors. +// converting panics into errors. func registerHTTPSProtocol(t *http.Transport, rt http.RoundTripper) (err error) { defer func() { if e := recover(); e != nil { diff --git a/vendor/golang.org/x/net/http2/errors.go b/vendor/golang.org/x/net/http2/errors.go index 20fd762..71f2c46 100644 --- a/vendor/golang.org/x/net/http2/errors.go +++ b/vendor/golang.org/x/net/http2/errors.go @@ -87,13 +87,16 @@ type goAwayFlowError struct{} func (goAwayFlowError) Error() string { return "connection exceeded flow control window size" } -// connErrorReason wraps a ConnectionError with an informative error about why it occurs. - +// connError represents an HTTP/2 ConnectionError error code, along +// with a string (for debugging) explaining why. +// // Errors of this type are only returned by the frame parser functions -// and converted into ConnectionError(ErrCodeProtocol). +// and converted into ConnectionError(Code), after stashing away +// the Reason into the Framer's errDetail field, accessible via +// the (*Framer).ErrorDetail method. type connError struct { - Code ErrCode - Reason string + Code ErrCode // the ConnectionError error code + Reason string // additional reason } func (e connError) Error() string { diff --git a/vendor/golang.org/x/net/http2/go16.go b/vendor/golang.org/x/net/http2/go16.go index 2b72855..00b2e9e 100644 --- a/vendor/golang.org/x/net/http2/go16.go +++ b/vendor/golang.org/x/net/http2/go16.go @@ -7,7 +7,6 @@ package http2 import ( - "crypto/tls" "net/http" "time" ) @@ -15,29 +14,3 @@ import ( func transportExpectContinueTimeout(t1 *http.Transport) time.Duration { return t1.ExpectContinueTimeout } - -// isBadCipher reports whether the cipher is blacklisted by the HTTP/2 spec. -func isBadCipher(cipher uint16) bool { - switch cipher { - case tls.TLS_RSA_WITH_RC4_128_SHA, - tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA, - tls.TLS_RSA_WITH_AES_128_CBC_SHA, - tls.TLS_RSA_WITH_AES_256_CBC_SHA, - tls.TLS_RSA_WITH_AES_128_GCM_SHA256, - tls.TLS_RSA_WITH_AES_256_GCM_SHA384, - tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, - tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, - tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, - tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA, - tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, - tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, - tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA: - // Reject cipher suites from Appendix A. - // "This list includes those cipher suites that do not - // offer an ephemeral key exchange and those that are - // based on the TLS null, stream or block cipher type" - return true - default: - return false - } -} diff --git a/vendor/golang.org/x/net/http2/go18.go b/vendor/golang.org/x/net/http2/go18.go index 73cc238..4f30d22 100644 --- a/vendor/golang.org/x/net/http2/go18.go +++ b/vendor/golang.org/x/net/http2/go18.go @@ -52,3 +52,5 @@ func reqGetBody(req *http.Request) func() (io.ReadCloser, error) { func reqBodyIsNoBody(body io.ReadCloser) bool { return body == http.NoBody } + +func go18httpNoBody() io.ReadCloser { return http.NoBody } // for tests only diff --git a/vendor/golang.org/x/net/http2/go19.go b/vendor/golang.org/x/net/http2/go19.go new file mode 100644 index 0000000..38124ba --- /dev/null +++ b/vendor/golang.org/x/net/http2/go19.go @@ -0,0 +1,16 @@ +// Copyright 2015 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. + +// +build go1.9 + +package http2 + +import ( + "net/http" +) + +func configureServer19(s *http.Server, conf *Server) error { + s.RegisterOnShutdown(conf.state.startGracefulShutdown) + return nil +} diff --git a/vendor/golang.org/x/net/http2/hpack/tables.go b/vendor/golang.org/x/net/http2/hpack/tables.go index 31bd5a5..a66cfbe 100644 --- a/vendor/golang.org/x/net/http2/hpack/tables.go +++ b/vendor/golang.org/x/net/http2/hpack/tables.go @@ -125,77 +125,78 @@ func (t *headerFieldTable) idToIndex(id uint64) uint64 { return k + 1 } -func pair(name, value string) HeaderField { - return HeaderField{Name: name, Value: value} -} - // http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-07#appendix-B var staticTable = newStaticTable() +var staticTableEntries = [...]HeaderField{ + {Name: ":authority"}, + {Name: ":method", Value: "GET"}, + {Name: ":method", Value: "POST"}, + {Name: ":path", Value: "/"}, + {Name: ":path", Value: "/index.html"}, + {Name: ":scheme", Value: "http"}, + {Name: ":scheme", Value: "https"}, + {Name: ":status", Value: "200"}, + {Name: ":status", Value: "204"}, + {Name: ":status", Value: "206"}, + {Name: ":status", Value: "304"}, + {Name: ":status", Value: "400"}, + {Name: ":status", Value: "404"}, + {Name: ":status", Value: "500"}, + {Name: "accept-charset"}, + {Name: "accept-encoding", Value: "gzip, deflate"}, + {Name: "accept-language"}, + {Name: "accept-ranges"}, + {Name: "accept"}, + {Name: "access-control-allow-origin"}, + {Name: "age"}, + {Name: "allow"}, + {Name: "authorization"}, + {Name: "cache-control"}, + {Name: "content-disposition"}, + {Name: "content-encoding"}, + {Name: "content-language"}, + {Name: "content-length"}, + {Name: "content-location"}, + {Name: "content-range"}, + {Name: "content-type"}, + {Name: "cookie"}, + {Name: "date"}, + {Name: "etag"}, + {Name: "expect"}, + {Name: "expires"}, + {Name: "from"}, + {Name: "host"}, + {Name: "if-match"}, + {Name: "if-modified-since"}, + {Name: "if-none-match"}, + {Name: "if-range"}, + {Name: "if-unmodified-since"}, + {Name: "last-modified"}, + {Name: "link"}, + {Name: "location"}, + {Name: "max-forwards"}, + {Name: "proxy-authenticate"}, + {Name: "proxy-authorization"}, + {Name: "range"}, + {Name: "referer"}, + {Name: "refresh"}, + {Name: "retry-after"}, + {Name: "server"}, + {Name: "set-cookie"}, + {Name: "strict-transport-security"}, + {Name: "transfer-encoding"}, + {Name: "user-agent"}, + {Name: "vary"}, + {Name: "via"}, + {Name: "www-authenticate"}, +} func newStaticTable() *headerFieldTable { t := &headerFieldTable{} t.init() - t.addEntry(pair(":authority", "")) - t.addEntry(pair(":method", "GET")) - t.addEntry(pair(":method", "POST")) - t.addEntry(pair(":path", "/")) - t.addEntry(pair(":path", "/index.html")) - t.addEntry(pair(":scheme", "http")) - t.addEntry(pair(":scheme", "https")) - t.addEntry(pair(":status", "200")) - t.addEntry(pair(":status", "204")) - t.addEntry(pair(":status", "206")) - t.addEntry(pair(":status", "304")) - t.addEntry(pair(":status", "400")) - t.addEntry(pair(":status", "404")) - t.addEntry(pair(":status", "500")) - t.addEntry(pair("accept-charset", "")) - t.addEntry(pair("accept-encoding", "gzip, deflate")) - t.addEntry(pair("accept-language", "")) - t.addEntry(pair("accept-ranges", "")) - t.addEntry(pair("accept", "")) - t.addEntry(pair("access-control-allow-origin", "")) - t.addEntry(pair("age", "")) - t.addEntry(pair("allow", "")) - t.addEntry(pair("authorization", "")) - t.addEntry(pair("cache-control", "")) - t.addEntry(pair("content-disposition", "")) - t.addEntry(pair("content-encoding", "")) - t.addEntry(pair("content-language", "")) - t.addEntry(pair("content-length", "")) - t.addEntry(pair("content-location", "")) - t.addEntry(pair("content-range", "")) - t.addEntry(pair("content-type", "")) - t.addEntry(pair("cookie", "")) - t.addEntry(pair("date", "")) - t.addEntry(pair("etag", "")) - t.addEntry(pair("expect", "")) - t.addEntry(pair("expires", "")) - t.addEntry(pair("from", "")) - t.addEntry(pair("host", "")) - t.addEntry(pair("if-match", "")) - t.addEntry(pair("if-modified-since", "")) - t.addEntry(pair("if-none-match", "")) - t.addEntry(pair("if-range", "")) - t.addEntry(pair("if-unmodified-since", "")) - t.addEntry(pair("last-modified", "")) - t.addEntry(pair("link", "")) - t.addEntry(pair("location", "")) - t.addEntry(pair("max-forwards", "")) - t.addEntry(pair("proxy-authenticate", "")) - t.addEntry(pair("proxy-authorization", "")) - t.addEntry(pair("range", "")) - t.addEntry(pair("referer", "")) - t.addEntry(pair("refresh", "")) - t.addEntry(pair("retry-after", "")) - t.addEntry(pair("server", "")) - t.addEntry(pair("set-cookie", "")) - t.addEntry(pair("strict-transport-security", "")) - t.addEntry(pair("transfer-encoding", "")) - t.addEntry(pair("user-agent", "")) - t.addEntry(pair("vary", "")) - t.addEntry(pair("via", "")) - t.addEntry(pair("www-authenticate", "")) + for _, e := range staticTableEntries[:] { + t.addEntry(e) + } return t } diff --git a/vendor/golang.org/x/net/http2/http2.go b/vendor/golang.org/x/net/http2/http2.go index b6b0f9a..d565f40 100644 --- a/vendor/golang.org/x/net/http2/http2.go +++ b/vendor/golang.org/x/net/http2/http2.go @@ -376,12 +376,16 @@ func (s *sorter) SortStrings(ss []string) { // validPseudoPath reports whether v is a valid :path pseudo-header // value. It must be either: // -// *) a non-empty string starting with '/', but not with with "//", +// *) a non-empty string starting with '/' // *) the string '*', for OPTIONS requests. // // For now this is only used a quick check for deciding when to clean // up Opaque URLs before sending requests from the Transport. // See golang.org/issue/16847 +// +// We used to enforce that the path also didn't start with "//", but +// Google's GFE accepts such paths and Chrome sends them, so ignore +// that part of the spec. See golang.org/issue/19103. func validPseudoPath(v string) bool { - return (len(v) > 0 && v[0] == '/' && (len(v) == 1 || v[1] != '/')) || v == "*" + return (len(v) > 0 && v[0] == '/') || v == "*" } diff --git a/vendor/golang.org/x/net/http2/not_go16.go b/vendor/golang.org/x/net/http2/not_go16.go index efd2e12..508cebc 100644 --- a/vendor/golang.org/x/net/http2/not_go16.go +++ b/vendor/golang.org/x/net/http2/not_go16.go @@ -7,7 +7,6 @@ package http2 import ( - "crypto/tls" "net/http" "time" ) @@ -20,27 +19,3 @@ func transportExpectContinueTimeout(t1 *http.Transport) time.Duration { return 0 } - -// isBadCipher reports whether the cipher is blacklisted by the HTTP/2 spec. -func isBadCipher(cipher uint16) bool { - switch cipher { - case tls.TLS_RSA_WITH_RC4_128_SHA, - tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA, - tls.TLS_RSA_WITH_AES_128_CBC_SHA, - tls.TLS_RSA_WITH_AES_256_CBC_SHA, - tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, - tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, - tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, - tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA, - tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, - tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, - tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA: - // Reject cipher suites from Appendix A. - // "This list includes those cipher suites that do not - // offer an ephemeral key exchange and those that are - // based on the TLS null, stream or block cipher type" - return true - default: - return false - } -} diff --git a/vendor/golang.org/x/net/http2/not_go18.go b/vendor/golang.org/x/net/http2/not_go18.go index efbf83c..6f8d3f8 100644 --- a/vendor/golang.org/x/net/http2/not_go18.go +++ b/vendor/golang.org/x/net/http2/not_go18.go @@ -25,3 +25,5 @@ func reqGetBody(req *http.Request) func() (io.ReadCloser, error) { } func reqBodyIsNoBody(io.ReadCloser) bool { return false } + +func go18httpNoBody() io.ReadCloser { return nil } // for tests only diff --git a/vendor/golang.org/x/net/http2/not_go19.go b/vendor/golang.org/x/net/http2/not_go19.go new file mode 100644 index 0000000..5ae0772 --- /dev/null +++ b/vendor/golang.org/x/net/http2/not_go19.go @@ -0,0 +1,16 @@ +// Copyright 2016 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. + +// +build !go1.9 + +package http2 + +import ( + "net/http" +) + +func configureServer19(s *http.Server, conf *Server) error { + // not supported prior to go1.9 + return nil +} diff --git a/vendor/golang.org/x/net/http2/pipe.go b/vendor/golang.org/x/net/http2/pipe.go index 914aaf8..a614009 100644 --- a/vendor/golang.org/x/net/http2/pipe.go +++ b/vendor/golang.org/x/net/http2/pipe.go @@ -15,8 +15,8 @@ import ( // underlying buffer is an interface. (io.Pipe is always unbuffered) type pipe struct { mu sync.Mutex - c sync.Cond // c.L lazily initialized to &p.mu - b pipeBuffer + c sync.Cond // c.L lazily initialized to &p.mu + b pipeBuffer // nil when done reading err error // read error once empty. non-nil means closed. breakErr error // immediate read error (caller doesn't see rest of b) donec chan struct{} // closed on error @@ -32,6 +32,9 @@ type pipeBuffer interface { func (p *pipe) Len() int { p.mu.Lock() defer p.mu.Unlock() + if p.b == nil { + return 0 + } return p.b.Len() } @@ -47,7 +50,7 @@ func (p *pipe) Read(d []byte) (n int, err error) { if p.breakErr != nil { return 0, p.breakErr } - if p.b.Len() > 0 { + if p.b != nil && p.b.Len() > 0 { return p.b.Read(d) } if p.err != nil { @@ -55,6 +58,7 @@ func (p *pipe) Read(d []byte) (n int, err error) { p.readFn() // e.g. copy trailers p.readFn = nil // not sticky like p.err } + p.b = nil return 0, p.err } p.c.Wait() @@ -75,6 +79,9 @@ func (p *pipe) Write(d []byte) (n int, err error) { if p.err != nil { return 0, errClosedPipeWrite } + if p.breakErr != nil { + return len(d), nil // discard when there is no reader + } return p.b.Write(d) } @@ -109,6 +116,9 @@ func (p *pipe) closeWithError(dst *error, err error, fn func()) { return } p.readFn = fn + if dst == &p.breakErr { + p.b = nil + } *dst = err p.closeDoneLocked() } diff --git a/vendor/golang.org/x/net/http2/server.go b/vendor/golang.org/x/net/http2/server.go index 293f009..eae143d 100644 --- a/vendor/golang.org/x/net/http2/server.go +++ b/vendor/golang.org/x/net/http2/server.go @@ -126,6 +126,11 @@ type Server struct { // NewWriteScheduler constructs a write scheduler for a connection. // If nil, a default scheduler is chosen. NewWriteScheduler func() WriteScheduler + + // Internal state. This is a pointer (rather than embedded directly) + // so that we don't embed a Mutex in this struct, which will make the + // struct non-copyable, which might break some callers. + state *serverInternalState } func (s *Server) initialConnRecvWindowSize() int32 { @@ -156,6 +161,40 @@ func (s *Server) maxConcurrentStreams() uint32 { return defaultMaxStreams } +type serverInternalState struct { + mu sync.Mutex + activeConns map[*serverConn]struct{} +} + +func (s *serverInternalState) registerConn(sc *serverConn) { + if s == nil { + return // if the Server was used without calling ConfigureServer + } + s.mu.Lock() + s.activeConns[sc] = struct{}{} + s.mu.Unlock() +} + +func (s *serverInternalState) unregisterConn(sc *serverConn) { + if s == nil { + return // if the Server was used without calling ConfigureServer + } + s.mu.Lock() + delete(s.activeConns, sc) + s.mu.Unlock() +} + +func (s *serverInternalState) startGracefulShutdown() { + if s == nil { + return // if the Server was used without calling ConfigureServer + } + s.mu.Lock() + for sc := range s.activeConns { + sc.startGracefulShutdown() + } + s.mu.Unlock() +} + // ConfigureServer adds HTTP/2 support to a net/http Server. // // The configuration conf may be nil. @@ -168,9 +207,13 @@ func ConfigureServer(s *http.Server, conf *Server) error { if conf == nil { conf = new(Server) } + conf.state = &serverInternalState{activeConns: make(map[*serverConn]struct{})} if err := configureServer18(s, conf); err != nil { return err } + if err := configureServer19(s, conf); err != nil { + return err + } if s.TLSConfig == nil { s.TLSConfig = new(tls.Config) @@ -292,7 +335,7 @@ func (s *Server) ServeConn(c net.Conn, opts *ServeConnOpts) { streams: make(map[uint32]*stream), readFrameCh: make(chan readFrameResult), wantWriteFrameCh: make(chan FrameWriteRequest, 8), - wantStartPushCh: make(chan startPushRequest, 8), + serveMsgCh: make(chan interface{}, 8), wroteFrameCh: make(chan frameWriteResult, 1), // buffered; one send in writeFrameAsync bodyReadCh: make(chan bodyReadMsg), // buffering doesn't matter either way doneServing: make(chan struct{}), @@ -305,6 +348,9 @@ func (s *Server) ServeConn(c net.Conn, opts *ServeConnOpts) { pushEnabled: true, } + s.state.registerConn(sc) + defer s.state.unregisterConn(sc) + // The net/http package sets the write deadline from the // http.Server.WriteTimeout during the TLS handshake, but then // passes the connection off to us with the deadline already set. @@ -405,10 +451,9 @@ type serverConn struct { doneServing chan struct{} // closed when serverConn.serve ends readFrameCh chan readFrameResult // written by serverConn.readFrames wantWriteFrameCh chan FrameWriteRequest // from handlers -> serve - wantStartPushCh chan startPushRequest // from handlers -> serve wroteFrameCh chan frameWriteResult // from writeFrameAsync -> serve, tickles more frame writes bodyReadCh chan bodyReadMsg // from handlers -> serve - testHookCh chan func(int) // code to run on the serve loop + serveMsgCh chan interface{} // misc messages & code to send to / run on the serve loop flow flow // conn-wide (not stream-specific) outbound flow control inflow flow // conn-wide inbound flow control tlsState *tls.ConnectionState // shared by all handlers, like net/http @@ -440,14 +485,15 @@ type serverConn struct { inFrameScheduleLoop bool // whether we're in the scheduleFrameWrite loop needToSendGoAway bool // we need to schedule a GOAWAY frame write goAwayCode ErrCode - shutdownTimerCh <-chan time.Time // nil until used - shutdownTimer *time.Timer // nil until used - idleTimer *time.Timer // nil if unused - idleTimerCh <-chan time.Time // nil if unused + shutdownTimer *time.Timer // nil until used + idleTimer *time.Timer // nil if unused // Owned by the writeFrameAsync goroutine: headerWriteBuf bytes.Buffer hpackEncoder *hpack.Encoder + + // Used by startGracefulShutdown. + shutdownOnce sync.Once } func (sc *serverConn) maxHeaderListSize() uint32 { @@ -748,19 +794,15 @@ func (sc *serverConn) serve() { sc.setConnState(http.StateIdle) if sc.srv.IdleTimeout != 0 { - sc.idleTimer = time.NewTimer(sc.srv.IdleTimeout) + sc.idleTimer = time.AfterFunc(sc.srv.IdleTimeout, sc.onIdleTimer) defer sc.idleTimer.Stop() - sc.idleTimerCh = sc.idleTimer.C - } - - var gracefulShutdownCh <-chan struct{} - if sc.hs != nil { - gracefulShutdownCh = h1ServerShutdownChan(sc.hs) } go sc.readFrames() // closed by defer sc.conn.Close above - settingsTimer := time.NewTimer(firstSettingsTimeout) + settingsTimer := time.AfterFunc(firstSettingsTimeout, sc.onSettingsTimer) + defer settingsTimer.Stop() + loopNum := 0 for { loopNum++ @@ -771,8 +813,6 @@ func (sc *serverConn) serve() { break } sc.writeFrame(wr) - case spr := <-sc.wantStartPushCh: - sc.startPush(spr) case res := <-sc.wroteFrameCh: sc.wroteFrame(res) case res := <-sc.readFrameCh: @@ -780,26 +820,37 @@ func (sc *serverConn) serve() { return } res.readMore() - if settingsTimer.C != nil { + if settingsTimer != nil { settingsTimer.Stop() - settingsTimer.C = nil + settingsTimer = nil } case m := <-sc.bodyReadCh: sc.noteBodyRead(m.st, m.n) - case <-settingsTimer.C: - sc.logf("timeout waiting for SETTINGS frames from %v", sc.conn.RemoteAddr()) - return - case <-gracefulShutdownCh: - gracefulShutdownCh = nil - sc.startGracefulShutdown() - case <-sc.shutdownTimerCh: - sc.vlogf("GOAWAY close timer fired; closing conn from %v", sc.conn.RemoteAddr()) - return - case <-sc.idleTimerCh: - sc.vlogf("connection is idle") - sc.goAway(ErrCodeNo) - case fn := <-sc.testHookCh: - fn(loopNum) + case msg := <-sc.serveMsgCh: + switch v := msg.(type) { + case func(int): + v(loopNum) // for testing + case *serverMessage: + switch v { + case settingsTimerMsg: + sc.logf("timeout waiting for SETTINGS frames from %v", sc.conn.RemoteAddr()) + return + case idleTimerMsg: + sc.vlogf("connection is idle") + sc.goAway(ErrCodeNo) + case shutdownTimerMsg: + sc.vlogf("GOAWAY close timer fired; closing conn from %v", sc.conn.RemoteAddr()) + return + case gracefulShutdownMsg: + sc.startGracefulShutdownInternal() + default: + panic("unknown timer") + } + case *startPushRequest: + sc.startPush(v) + default: + panic(fmt.Sprintf("unexpected type %T", v)) + } } if sc.inGoAway && sc.curOpenStreams() == 0 && !sc.needToSendGoAway && !sc.writingFrame { @@ -808,6 +859,36 @@ func (sc *serverConn) serve() { } } +func (sc *serverConn) awaitGracefulShutdown(sharedCh <-chan struct{}, privateCh chan struct{}) { + select { + case <-sc.doneServing: + case <-sharedCh: + close(privateCh) + } +} + +type serverMessage int + +// Message values sent to serveMsgCh. +var ( + settingsTimerMsg = new(serverMessage) + idleTimerMsg = new(serverMessage) + shutdownTimerMsg = new(serverMessage) + gracefulShutdownMsg = new(serverMessage) +) + +func (sc *serverConn) onSettingsTimer() { sc.sendServeMsg(settingsTimerMsg) } +func (sc *serverConn) onIdleTimer() { sc.sendServeMsg(idleTimerMsg) } +func (sc *serverConn) onShutdownTimer() { sc.sendServeMsg(shutdownTimerMsg) } + +func (sc *serverConn) sendServeMsg(msg interface{}) { + sc.serveG.checkNotOn() // NOT + select { + case sc.serveMsgCh <- msg: + case <-sc.doneServing: + } +} + // readPreface reads the ClientPreface greeting from the peer // or returns an error on timeout or an invalid greeting. func (sc *serverConn) readPreface() error { @@ -1049,7 +1130,11 @@ func (sc *serverConn) wroteFrame(res frameWriteResult) { // stateClosed after the RST_STREAM frame is // written. st.state = stateHalfClosedLocal - sc.resetStream(streamError(st.id, ErrCodeCancel)) + // Section 8.1: a server MAY request that the client abort + // transmission of a request without error by sending a + // RST_STREAM with an error code of NO_ERROR after sending + // a complete response. + sc.resetStream(streamError(st.id, ErrCodeNo)) case stateHalfClosedRemote: sc.closeStream(st, errHandlerComplete) } @@ -1121,10 +1206,19 @@ func (sc *serverConn) scheduleFrameWrite() { sc.inFrameScheduleLoop = false } -// startGracefulShutdown sends a GOAWAY with ErrCodeNo to tell the -// client we're gracefully shutting down. The connection isn't closed -// until all current streams are done. +// startGracefulShutdown gracefully shuts down a connection. This +// sends GOAWAY with ErrCodeNo to tell the client we're gracefully +// shutting down. The connection isn't closed until all current +// streams are done. +// +// startGracefulShutdown returns immediately; it does not wait until +// the connection has shut down. func (sc *serverConn) startGracefulShutdown() { + sc.serveG.checkNotOn() // NOT + sc.shutdownOnce.Do(func() { sc.sendServeMsg(gracefulShutdownMsg) }) +} + +func (sc *serverConn) startGracefulShutdownInternal() { sc.goAwayIn(ErrCodeNo, 0) } @@ -1156,8 +1250,7 @@ func (sc *serverConn) goAwayIn(code ErrCode, forceCloseIn time.Duration) { func (sc *serverConn) shutDownIn(d time.Duration) { sc.serveG.check() - sc.shutdownTimer = time.NewTimer(d) - sc.shutdownTimerCh = sc.shutdownTimer.C + sc.shutdownTimer = time.AfterFunc(d, sc.onShutdownTimer) } func (sc *serverConn) resetStream(se StreamError) { @@ -1355,7 +1448,7 @@ func (sc *serverConn) closeStream(st *stream, err error) { sc.idleTimer.Reset(sc.srv.IdleTimeout) } if h1ServerKeepAlivesDisabled(sc.hs) { - sc.startGracefulShutdown() + sc.startGracefulShutdownInternal() } } if p := st.body; p != nil { @@ -1542,7 +1635,7 @@ func (sc *serverConn) processGoAway(f *GoAwayFrame) error { } else { sc.vlogf("http2: received GOAWAY %+v, starting graceful shutdown", f) } - sc.startGracefulShutdown() + sc.startGracefulShutdownInternal() // http://tools.ietf.org/html/rfc7540#section-6.8 // We should not create any new streams, which means we should disable push. sc.pushEnabled = false @@ -2159,6 +2252,7 @@ type responseWriterState struct { wroteHeader bool // WriteHeader called (explicitly or implicitly). Not necessarily sent to user yet. sentHeader bool // have we sent the header frame? handlerDone bool // handler has finished + dirty bool // a Write failed; don't reuse this responseWriterState sentContentLen int64 // non-zero if handler set a Content-Length header wroteBytes int64 @@ -2240,6 +2334,7 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) { date: date, }) if err != nil { + rws.dirty = true return 0, err } if endStream { @@ -2261,6 +2356,7 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) { if len(p) > 0 || endStream { // only send a 0 byte DATA frame if we're ending the stream. if err := rws.conn.writeDataFromHandler(rws.stream, p, endStream); err != nil { + rws.dirty = true return 0, err } } @@ -2272,6 +2368,9 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) { trailers: rws.trailers, endStream: true, }) + if err != nil { + rws.dirty = true + } return len(p), err } return len(p), nil @@ -2411,7 +2510,7 @@ func cloneHeader(h http.Header) http.Header { // // * Handler calls w.Write or w.WriteString -> // * -> rws.bw (*bufio.Writer) -> -// * (Handler migth call Flush) +// * (Handler might call Flush) // * -> chunkWriter{rws} // * -> responseWriterState.writeChunk(p []byte) // * -> responseWriterState.writeChunk (most of the magic; see comment there) @@ -2450,10 +2549,19 @@ func (w *responseWriter) write(lenData int, dataB []byte, dataS string) (n int, func (w *responseWriter) handlerDone() { rws := w.rws + dirty := rws.dirty rws.handlerDone = true w.Flush() w.rws = nil - responseWriterStatePool.Put(rws) + if !dirty { + // Only recycle the pool if all prior Write calls to + // the serverConn goroutine completed successfully. If + // they returned earlier due to resets from the peer + // there might still be write goroutines outstanding + // from the serverConn referencing the rws memory. See + // issue 20704. + responseWriterStatePool.Put(rws) + } } // Push errors. @@ -2535,7 +2643,7 @@ func (w *responseWriter) push(target string, opts pushOptions) error { return fmt.Errorf("method %q must be GET or HEAD", opts.Method) } - msg := startPushRequest{ + msg := &startPushRequest{ parent: st, method: opts.Method, url: u, @@ -2548,7 +2656,7 @@ func (w *responseWriter) push(target string, opts pushOptions) error { return errClientDisconnected case <-st.cw: return errStreamClosed - case sc.wantStartPushCh <- msg: + case sc.serveMsgCh <- msg: } select { @@ -2570,7 +2678,7 @@ type startPushRequest struct { done chan error } -func (sc *serverConn) startPush(msg startPushRequest) { +func (sc *serverConn) startPush(msg *startPushRequest) { sc.serveG.check() // http://tools.ietf.org/html/rfc7540#section-6.6. @@ -2609,7 +2717,7 @@ func (sc *serverConn) startPush(msg startPushRequest) { // A server that is unable to establish a new stream identifier can send a GOAWAY // frame so that the client is forced to open a new connection for new streams. if sc.maxPushPromiseID+2 >= 1<<31 { - sc.startGracefulShutdown() + sc.startGracefulShutdownInternal() return 0, ErrPushLimitReached } sc.maxPushPromiseID += 2 @@ -2734,31 +2842,6 @@ var badTrailer = map[string]bool{ "Www-Authenticate": true, } -// h1ServerShutdownChan returns a channel that will be closed when the -// provided *http.Server wants to shut down. -// -// This is a somewhat hacky way to get at http1 innards. It works -// when the http2 code is bundled into the net/http package in the -// standard library. The alternatives ended up making the cmd/go tool -// depend on http Servers. This is the lightest option for now. -// This is tested via the TestServeShutdown* tests in net/http. -func h1ServerShutdownChan(hs *http.Server) <-chan struct{} { - if fn := testh1ServerShutdownChan; fn != nil { - return fn(hs) - } - var x interface{} = hs - type I interface { - getDoneChan() <-chan struct{} - } - if hs, ok := x.(I); ok { - return hs.getDoneChan() - } - return nil -} - -// optional test hook for h1ServerShutdownChan. -var testh1ServerShutdownChan func(hs *http.Server) <-chan struct{} - // h1ServerKeepAlivesDisabled reports whether hs has its keep-alives // disabled. See comments on h1ServerShutdownChan above for why // the code is written this way. diff --git a/vendor/golang.org/x/net/http2/transport.go b/vendor/golang.org/x/net/http2/transport.go index 84d042d..c112d22 100644 --- a/vendor/golang.org/x/net/http2/transport.go +++ b/vendor/golang.org/x/net/http2/transport.go @@ -18,6 +18,7 @@ import ( "io/ioutil" "log" "math" + mathrand "math/rand" "net" "net/http" "sort" @@ -86,7 +87,7 @@ type Transport struct { // MaxHeaderListSize is the http2 SETTINGS_MAX_HEADER_LIST_SIZE to // send in the initial settings frame. It is how many bytes - // of response headers are allow. Unlike the http2 spec, zero here + // of response headers are allowed. Unlike the http2 spec, zero here // means to use a default limit (currently 10MB). If you actually // want to advertise an ulimited value to the peer, Transport // interprets the highest possible value here (0xffffffff or 1<<32-1) @@ -164,15 +165,17 @@ type ClientConn struct { goAwayDebug string // goAway frame's debug data, retained as a string streams map[uint32]*clientStream // client-initiated nextStreamID uint32 + pendingRequests int // requests blocked and waiting to be sent because len(streams) == maxConcurrentStreams pings map[[8]byte]chan struct{} // in flight ping data to notification channel bw *bufio.Writer br *bufio.Reader fr *Framer lastActive time.Time // Settings from peer: (also guarded by mu) - maxFrameSize uint32 - maxConcurrentStreams uint32 - initialWindowSize uint32 + maxFrameSize uint32 + maxConcurrentStreams uint32 + peerMaxHeaderListSize uint64 + initialWindowSize uint32 hbuf bytes.Buffer // HPACK encoder writes into this henc *hpack.Encoder @@ -216,35 +219,45 @@ type clientStream struct { resTrailer *http.Header // client's Response.Trailer } -// awaitRequestCancel runs in its own goroutine and waits for the user -// to cancel a RoundTrip request, its context to expire, or for the -// request to be done (any way it might be removed from the cc.streams -// map: peer reset, successful completion, TCP connection breakage, -// etc) -func (cs *clientStream) awaitRequestCancel(req *http.Request) { +// awaitRequestCancel waits for the user to cancel a request or for the done +// channel to be signaled. A non-nil error is returned only if the request was +// canceled. +func awaitRequestCancel(req *http.Request, done <-chan struct{}) error { ctx := reqContext(req) if req.Cancel == nil && ctx.Done() == nil { - return + return nil } select { case <-req.Cancel: - cs.cancelStream() - cs.bufPipe.CloseWithError(errRequestCanceled) + return errRequestCanceled case <-ctx.Done(): + return ctx.Err() + case <-done: + return nil + } +} + +// awaitRequestCancel waits for the user to cancel a request, its context to +// expire, or for the request to be done (any way it might be removed from the +// cc.streams map: peer reset, successful completion, TCP connection breakage, +// etc). If the request is canceled, then cs will be canceled and closed. +func (cs *clientStream) awaitRequestCancel(req *http.Request) { + if err := awaitRequestCancel(req, cs.done); err != nil { cs.cancelStream() - cs.bufPipe.CloseWithError(ctx.Err()) - case <-cs.done: + cs.bufPipe.CloseWithError(err) } } func (cs *clientStream) cancelStream() { - cs.cc.mu.Lock() + cc := cs.cc + cc.mu.Lock() didReset := cs.didReset cs.didReset = true - cs.cc.mu.Unlock() + cc.mu.Unlock() if !didReset { - cs.cc.writeStreamReset(cs.ID, ErrCodeCancel, nil) + cc.writeStreamReset(cs.ID, ErrCodeCancel, nil) + cc.forgetStreamID(cs.ID) } } @@ -329,7 +342,7 @@ func (t *Transport) RoundTripOpt(req *http.Request, opt RoundTripOpt) (*http.Res } addr := authorityAddr(req.URL.Scheme, req.URL.Host) - for { + for retry := 0; ; retry++ { cc, err := t.connPool().GetClientConn(req, addr) if err != nil { t.vlogf("http2: Transport failed to get client conn for %s: %v", addr, err) @@ -337,9 +350,25 @@ func (t *Transport) RoundTripOpt(req *http.Request, opt RoundTripOpt) (*http.Res } traceGotConn(req, cc) res, err := cc.RoundTrip(req) - if err != nil { - if req, err = shouldRetryRequest(req, err); err == nil { - continue + if err != nil && retry <= 6 { + afterBodyWrite := false + if e, ok := err.(afterReqBodyWriteError); ok { + err = e + afterBodyWrite = true + } + if req, err = shouldRetryRequest(req, err, afterBodyWrite); err == nil { + // After the first retry, do exponential backoff with 10% jitter. + if retry == 0 { + continue + } + backoff := float64(uint(1) << (uint(retry) - 1)) + backoff += backoff * (0.1 * mathrand.Float64()) + select { + case <-time.After(time.Second * time.Duration(backoff)): + continue + case <-reqContext(req).Done(): + return nil, reqContext(req).Err() + } } } if err != nil { @@ -360,43 +389,60 @@ func (t *Transport) CloseIdleConnections() { } var ( - errClientConnClosed = errors.New("http2: client conn is closed") - errClientConnUnusable = errors.New("http2: client conn not usable") - - errClientConnGotGoAway = errors.New("http2: Transport received Server's graceful shutdown GOAWAY") - errClientConnGotGoAwayAfterSomeReqBody = errors.New("http2: Transport received Server's graceful shutdown GOAWAY; some request body already written") + errClientConnClosed = errors.New("http2: client conn is closed") + errClientConnUnusable = errors.New("http2: client conn not usable") + errClientConnGotGoAway = errors.New("http2: Transport received Server's graceful shutdown GOAWAY") ) +// afterReqBodyWriteError is a wrapper around errors returned by ClientConn.RoundTrip. +// It is used to signal that err happened after part of Request.Body was sent to the server. +type afterReqBodyWriteError struct { + err error +} + +func (e afterReqBodyWriteError) Error() string { + return e.err.Error() + "; some request body already written" +} + // shouldRetryRequest is called by RoundTrip when a request fails to get // response headers. It is always called with a non-nil error. // It returns either a request to retry (either the same request, or a // modified clone), or an error if the request can't be replayed. -func shouldRetryRequest(req *http.Request, err error) (*http.Request, error) { - switch err { - default: +func shouldRetryRequest(req *http.Request, err error, afterBodyWrite bool) (*http.Request, error) { + if !canRetryError(err) { return nil, err - case errClientConnUnusable, errClientConnGotGoAway: + } + if !afterBodyWrite { return req, nil - case errClientConnGotGoAwayAfterSomeReqBody: - // If the Body is nil (or http.NoBody), it's safe to reuse - // this request and its Body. - if req.Body == nil || reqBodyIsNoBody(req.Body) { - return req, nil - } - // Otherwise we depend on the Request having its GetBody - // func defined. - getBody := reqGetBody(req) // Go 1.8: getBody = req.GetBody - if getBody == nil { - return nil, errors.New("http2: Transport: peer server initiated graceful shutdown after some of Request.Body was written; define Request.GetBody to avoid this error") - } - body, err := getBody() - if err != nil { - return nil, err - } - newReq := *req - newReq.Body = body - return &newReq, nil } + // If the Body is nil (or http.NoBody), it's safe to reuse + // this request and its Body. + if req.Body == nil || reqBodyIsNoBody(req.Body) { + return req, nil + } + // Otherwise we depend on the Request having its GetBody + // func defined. + getBody := reqGetBody(req) // Go 1.8: getBody = req.GetBody + if getBody == nil { + return nil, fmt.Errorf("http2: Transport: cannot retry err [%v] after Request.Body was written; define Request.GetBody to avoid this error", err) + } + body, err := getBody() + if err != nil { + return nil, err + } + newReq := *req + newReq.Body = body + return &newReq, nil +} + +func canRetryError(err error) bool { + if err == errClientConnUnusable || err == errClientConnGotGoAway { + return true + } + if se, ok := err.(StreamError); ok { + return se.Code == ErrCodeRefusedStream + } + return false } func (t *Transport) dialClientConn(addr string, singleUse bool) (*ClientConn, error) { @@ -474,17 +520,18 @@ func (t *Transport) NewClientConn(c net.Conn) (*ClientConn, error) { func (t *Transport) newClientConn(c net.Conn, singleUse bool) (*ClientConn, error) { cc := &ClientConn{ - t: t, - tconn: c, - readerDone: make(chan struct{}), - nextStreamID: 1, - maxFrameSize: 16 << 10, // spec default - initialWindowSize: 65535, // spec default - maxConcurrentStreams: 1000, // "infinite", per spec. 1000 seems good enough. - streams: make(map[uint32]*clientStream), - singleUse: singleUse, - wantSettingsAck: true, - pings: make(map[[8]byte]chan struct{}), + t: t, + tconn: c, + readerDone: make(chan struct{}), + nextStreamID: 1, + maxFrameSize: 16 << 10, // spec default + initialWindowSize: 65535, // spec default + maxConcurrentStreams: 1000, // "infinite", per spec. 1000 seems good enough. + 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{}), } if d := t.idleConnTimeout(); d != 0 { cc.idleTimeout = d @@ -560,6 +607,8 @@ func (cc *ClientConn) setGoAway(f *GoAwayFrame) { } } +// CanTakeNewRequest reports whether the connection can take a new request, +// meaning it has not been closed or received or sent a GOAWAY. func (cc *ClientConn) CanTakeNewRequest() bool { cc.mu.Lock() defer cc.mu.Unlock() @@ -571,8 +620,7 @@ func (cc *ClientConn) canTakeNewRequestLocked() bool { return false } return cc.goAway == nil && !cc.closed && - int64(len(cc.streams)+1) < int64(cc.maxConcurrentStreams) && - cc.nextStreamID < math.MaxInt32 + int64(cc.nextStreamID)+int64(cc.pendingRequests) < math.MaxInt32 } // onIdleTimeout is called from a time.AfterFunc goroutine. It will @@ -694,7 +742,7 @@ func checkConnHeaders(req *http.Request) error { // req.ContentLength, where 0 actually means zero (not unknown) and -1 // means unknown. func actualContentLength(req *http.Request) int64 { - if req.Body == nil { + if req.Body == nil || reqBodyIsNoBody(req.Body) { return 0 } if req.ContentLength != 0 { @@ -718,15 +766,14 @@ func (cc *ClientConn) RoundTrip(req *http.Request) (*http.Response, error) { hasTrailers := trailers != "" cc.mu.Lock() - cc.lastActive = time.Now() - if cc.closed || !cc.canTakeNewRequestLocked() { + if err := cc.awaitOpenSlotForRequest(req); err != nil { cc.mu.Unlock() - return nil, errClientConnUnusable + return nil, err } body := req.Body - hasBody := body != nil contentLen := actualContentLength(req) + hasBody := contentLen != 0 // TODO(bradfitz): this is a copy of the logic in net/http. Unify somewhere? var requestedGzip bool @@ -816,14 +863,13 @@ func (cc *ClientConn) RoundTrip(req *http.Request) (*http.Response, error) { cs.abortRequestBodyWrite(errStopReqBodyWrite) } if re.err != nil { - if re.err == errClientConnGotGoAway { - cc.mu.Lock() - if cs.startedWrite { - re.err = errClientConnGotGoAwayAfterSomeReqBody - } - cc.mu.Unlock() - } + cc.mu.Lock() + afterBodyWrite := cs.startedWrite + cc.mu.Unlock() cc.forgetStreamID(cs.ID) + if afterBodyWrite { + return nil, afterReqBodyWriteError{re.err} + } return nil, re.err } res.Request = req @@ -836,31 +882,31 @@ func (cc *ClientConn) RoundTrip(req *http.Request) (*http.Response, error) { case re := <-readLoopResCh: return handleReadLoopResponse(re) case <-respHeaderTimer: - cc.forgetStreamID(cs.ID) if !hasBody || bodyWritten { cc.writeStreamReset(cs.ID, ErrCodeCancel, nil) } else { bodyWriter.cancel() cs.abortRequestBodyWrite(errStopReqBodyWriteAndCancel) } + cc.forgetStreamID(cs.ID) return nil, errTimeout case <-ctx.Done(): - cc.forgetStreamID(cs.ID) if !hasBody || bodyWritten { cc.writeStreamReset(cs.ID, ErrCodeCancel, nil) } else { bodyWriter.cancel() cs.abortRequestBodyWrite(errStopReqBodyWriteAndCancel) } + cc.forgetStreamID(cs.ID) return nil, ctx.Err() case <-req.Cancel: - cc.forgetStreamID(cs.ID) if !hasBody || bodyWritten { cc.writeStreamReset(cs.ID, ErrCodeCancel, nil) } else { bodyWriter.cancel() cs.abortRequestBodyWrite(errStopReqBodyWriteAndCancel) } + cc.forgetStreamID(cs.ID) return nil, errRequestCanceled case <-cs.peerReset: // processResetStream already removed the @@ -887,6 +933,45 @@ func (cc *ClientConn) RoundTrip(req *http.Request) (*http.Response, error) { } } +// awaitOpenSlotForRequest waits until len(streams) < maxConcurrentStreams. +// Must hold cc.mu. +func (cc *ClientConn) awaitOpenSlotForRequest(req *http.Request) error { + var waitingForConn chan struct{} + var waitingForConnErr error // guarded by cc.mu + for { + cc.lastActive = time.Now() + if cc.closed || !cc.canTakeNewRequestLocked() { + return errClientConnUnusable + } + if int64(len(cc.streams))+1 <= int64(cc.maxConcurrentStreams) { + if waitingForConn != nil { + close(waitingForConn) + } + return nil + } + // Unfortunately, we cannot wait on a condition variable and channel at + // the same time, so instead, we spin up a goroutine to check if the + // request is canceled while we wait for a slot to open in the connection. + if waitingForConn == nil { + waitingForConn = make(chan struct{}) + go func() { + if err := awaitRequestCancel(req, waitingForConn); err != nil { + cc.mu.Lock() + waitingForConnErr = err + cc.cond.Broadcast() + cc.mu.Unlock() + } + }() + } + cc.pendingRequests++ + cc.cond.Wait() + cc.pendingRequests-- + if waitingForConnErr != nil { + return waitingForConnErr + } + } +} + // requires cc.wmu be held func (cc *ClientConn) writeHeaders(streamID uint32, endStream bool, hdrs []byte) error { first := true // first frame written (HEADERS is first, then CONTINUATION) @@ -1002,8 +1087,13 @@ func (cs *clientStream) writeRequestBody(body io.Reader, bodyCloser io.Closer) ( var trls []byte if hasTrailers { cc.mu.Lock() - defer cc.mu.Unlock() - trls = cc.encodeTrailers(req) + trls, err = cc.encodeTrailers(req) + cc.mu.Unlock() + if err != nil { + cc.writeStreamReset(cs.ID, ErrCodeInternal, err) + cc.forgetStreamID(cs.ID) + return err + } } cc.wmu.Lock() @@ -1106,62 +1196,86 @@ func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trail } } - // 8.1.2.3 Request Pseudo-Header Fields - // The :path pseudo-header field includes the path and query parts of the - // target URI (the path-absolute production and optionally a '?' character - // followed by the query production (see Sections 3.3 and 3.4 of - // [RFC3986]). - cc.writeHeader(":authority", host) - cc.writeHeader(":method", req.Method) - if req.Method != "CONNECT" { - cc.writeHeader(":path", path) - cc.writeHeader(":scheme", req.URL.Scheme) - } - if trailers != "" { - cc.writeHeader("trailer", trailers) - } + enumerateHeaders := func(f func(name, value string)) { + // 8.1.2.3 Request Pseudo-Header Fields + // The :path pseudo-header field includes the path and query parts of the + // target URI (the path-absolute production and optionally a '?' character + // followed by the query production (see Sections 3.3 and 3.4 of + // [RFC3986]). + f(":authority", host) + f(":method", req.Method) + if req.Method != "CONNECT" { + f(":path", path) + f(":scheme", req.URL.Scheme) + } + if trailers != "" { + f("trailer", trailers) + } - var didUA bool - for k, vv := range req.Header { - lowKey := strings.ToLower(k) - switch lowKey { - case "host", "content-length": - // Host is :authority, already sent. - // Content-Length is automatic, set below. - continue - case "connection", "proxy-connection", "transfer-encoding", "upgrade", "keep-alive": - // Per 8.1.2.2 Connection-Specific Header - // Fields, don't send connection-specific - // fields. We have already checked if any - // are error-worthy so just ignore the rest. - continue - case "user-agent": - // Match Go's http1 behavior: at most one - // User-Agent. If set to nil or empty string, - // then omit it. Otherwise if not mentioned, - // include the default (below). - didUA = true - if len(vv) < 1 { + var didUA bool + for k, vv := range req.Header { + if strings.EqualFold(k, "host") || strings.EqualFold(k, "content-length") { + // Host is :authority, already sent. + // Content-Length is automatic, set below. continue - } - vv = vv[:1] - if vv[0] == "" { + } else if strings.EqualFold(k, "connection") || strings.EqualFold(k, "proxy-connection") || + strings.EqualFold(k, "transfer-encoding") || strings.EqualFold(k, "upgrade") || + strings.EqualFold(k, "keep-alive") { + // Per 8.1.2.2 Connection-Specific Header + // Fields, don't send connection-specific + // fields. We have already checked if any + // are error-worthy so just ignore the rest. continue + } else if strings.EqualFold(k, "user-agent") { + // Match Go's http1 behavior: at most one + // User-Agent. If set to nil or empty string, + // then omit it. Otherwise if not mentioned, + // include the default (below). + didUA = true + if len(vv) < 1 { + continue + } + vv = vv[:1] + if vv[0] == "" { + continue + } + + } + + for _, v := range vv { + f(k, v) } } - for _, v := range vv { - cc.writeHeader(lowKey, v) + if shouldSendReqContentLength(req.Method, contentLength) { + f("content-length", strconv.FormatInt(contentLength, 10)) + } + if addGzipHeader { + f("accept-encoding", "gzip") + } + if !didUA { + f("user-agent", defaultUserAgent) } } - if shouldSendReqContentLength(req.Method, contentLength) { - cc.writeHeader("content-length", strconv.FormatInt(contentLength, 10)) - } - if addGzipHeader { - cc.writeHeader("accept-encoding", "gzip") - } - if !didUA { - cc.writeHeader("user-agent", defaultUserAgent) + + // Do a first pass over the headers counting bytes to ensure + // we don't exceed cc.peerMaxHeaderListSize. This is done as a + // separate pass before encoding the headers to prevent + // modifying the hpack state. + hlSize := uint64(0) + enumerateHeaders(func(name, value string) { + hf := hpack.HeaderField{Name: name, Value: value} + hlSize += uint64(hf.Size()) + }) + + if hlSize > cc.peerMaxHeaderListSize { + return nil, errRequestHeaderListSize } + + // Header list size is ok. Write the headers. + enumerateHeaders(func(name, value string) { + cc.writeHeader(strings.ToLower(name), value) + }) + return cc.hbuf.Bytes(), nil } @@ -1188,17 +1302,29 @@ func shouldSendReqContentLength(method string, contentLength int64) bool { } // requires cc.mu be held. -func (cc *ClientConn) encodeTrailers(req *http.Request) []byte { +func (cc *ClientConn) encodeTrailers(req *http.Request) ([]byte, error) { cc.hbuf.Reset() + + hlSize := uint64(0) + for k, vv := range req.Trailer { + for _, v := range vv { + hf := hpack.HeaderField{Name: k, Value: v} + hlSize += uint64(hf.Size()) + } + } + if hlSize > cc.peerMaxHeaderListSize { + return nil, errRequestHeaderListSize + } + for k, vv := range req.Trailer { - // Transfer-Encoding, etc.. have already been filter at the + // Transfer-Encoding, etc.. have already been filtered at the // start of RoundTrip lowKey := strings.ToLower(k) for _, v := range vv { cc.writeHeader(lowKey, v) } } - return cc.hbuf.Bytes() + return cc.hbuf.Bytes(), nil } func (cc *ClientConn) writeHeader(name, value string) { @@ -1246,7 +1372,9 @@ func (cc *ClientConn) streamByID(id uint32, andRemove bool) *clientStream { cc.idleTimer.Reset(cc.idleTimeout) } close(cs.done) - cc.cond.Broadcast() // wake up checkResetOrDone via clientStream.awaitFlowControl + // Wake up checkResetOrDone via clientStream.awaitFlowControl and + // wake up RoundTrip if there is a pending request. + cc.cond.Broadcast() } return cs } @@ -1345,8 +1473,9 @@ func (rl *clientConnReadLoop) run() error { cc.vlogf("http2: Transport readFrame error on conn %p: (%T) %v", cc, err, err) } if se, ok := err.(StreamError); ok { - if cs := cc.streamByID(se.StreamID, true /*ended; remove it*/); cs != nil { + if cs := cc.streamByID(se.StreamID, false); cs != nil { cs.cc.writeStreamReset(cs.ID, se.Code, err) + cs.cc.forgetStreamID(cs.ID) if se.Cause == nil { se.Cause = cc.fr.errDetail } @@ -1407,7 +1536,17 @@ func (rl *clientConnReadLoop) run() error { func (rl *clientConnReadLoop) processHeaders(f *MetaHeadersFrame) error { cc := rl.cc - cs := cc.streamByID(f.StreamID, f.StreamEnded()) + if f.StreamEnded() { + // Issue 20521: If the stream has ended, streamByID() causes + // clientStream.done to be closed, which causes the request's bodyWriter + // to be closed with an errStreamClosed, which may be received by + // clientConn.RoundTrip before the result of processing these headers. + // Deferring stream closure allows the header processing to occur first. + // clientConn.RoundTrip may still receive the bodyWriter error first, but + // the fix for issue 16102 prioritises any response. + defer cc.streamByID(f.StreamID, true) + } + cs := cc.streamByID(f.StreamID, false) if cs == nil { // We'd get here if we canceled a request while the // server had its response still in flight. So if this @@ -1655,6 +1794,7 @@ func (b transportResponseBody) Close() error { cc.wmu.Lock() if !serverSentStreamEnd { cc.fr.WriteRSTStream(cs.ID, ErrCodeCancel) + cs.didReset = true } // Return connection-level flow control. if unread > 0 { @@ -1667,6 +1807,7 @@ func (b transportResponseBody) Close() error { } cs.bufPipe.BreakWithError(errClosedResponseBody) + cc.forgetStreamID(cs.ID) return nil } @@ -1701,13 +1842,15 @@ func (rl *clientConnReadLoop) processData(f *DataFrame) error { } return nil } + if !cs.firstByte { + cc.logf("protocol error: received DATA before a HEADERS frame") + rl.endStreamError(cs, StreamError{ + StreamID: f.StreamID, + Code: ErrCodeProtocol, + }) + return nil + } if f.Length > 0 { - if len(data) > 0 && cs.bufPipe.b == nil { - // Data frame after it's already closed? - cc.logf("http2: Transport received DATA frame for closed stream; closing connection") - return ConnectionError(ErrCodeProtocol) - } - // Check connection-level flow control. cc.mu.Lock() if cs.inflow.available() >= int32(f.Length) { @@ -1718,16 +1861,27 @@ func (rl *clientConnReadLoop) processData(f *DataFrame) error { } // Return any padded flow control now, since we won't // refund it later on body reads. - if pad := int32(f.Length) - int32(len(data)); pad > 0 { - cs.inflow.add(pad) - cc.inflow.add(pad) + var refund int + if pad := int(f.Length) - len(data); pad > 0 { + refund += pad + } + // Return len(data) now if the stream is already closed, + // since data will never be read. + didReset := cs.didReset + if didReset { + refund += len(data) + } + if refund > 0 { + cc.inflow.add(int32(refund)) cc.wmu.Lock() - cc.fr.WriteWindowUpdate(0, uint32(pad)) - cc.fr.WriteWindowUpdate(cs.ID, uint32(pad)) + cc.fr.WriteWindowUpdate(0, uint32(refund)) + if !didReset { + cs.inflow.add(int32(refund)) + cc.fr.WriteWindowUpdate(cs.ID, uint32(refund)) + } cc.bw.Flush() cc.wmu.Unlock() } - didReset := cs.didReset cc.mu.Unlock() if len(data) > 0 && !didReset { @@ -1810,6 +1964,8 @@ func (rl *clientConnReadLoop) processSettings(f *SettingsFrame) error { cc.maxFrameSize = s.Val case SettingMaxConcurrentStreams: cc.maxConcurrentStreams = s.Val + case SettingMaxHeaderListSize: + cc.peerMaxHeaderListSize = uint64(s.Val) case SettingInitialWindowSize: // Values above the maximum flow-control // window size of 2^31-1 MUST be treated as a @@ -1976,6 +2132,7 @@ func (cc *ClientConn) writeStreamReset(streamID uint32, code ErrCode, err error) var ( errResponseHeaderListSize = errors.New("http2: response header list larger than advertised limit") + errRequestHeaderListSize = errors.New("http2: request header list larger than peer's advertised limit") errPseudoTrailers = errors.New("http2: invalid pseudo header in trailers") ) diff --git a/vendor/golang.org/x/net/http2/writesched_priority.go b/vendor/golang.org/x/net/http2/writesched_priority.go index 0113272..848fed6 100644 --- a/vendor/golang.org/x/net/http2/writesched_priority.go +++ b/vendor/golang.org/x/net/http2/writesched_priority.go @@ -53,7 +53,7 @@ type PriorityWriteSchedulerConfig struct { } // NewPriorityWriteScheduler constructs a WriteScheduler that schedules -// frames by following HTTP/2 priorities as described in RFC 7340 Section 5.3. +// frames by following HTTP/2 priorities as described in RFC 7540 Section 5.3. // If cfg is nil, default options are used. func NewPriorityWriteScheduler(cfg *PriorityWriteSchedulerConfig) WriteScheduler { if cfg == nil { diff --git a/vendor/golang.org/x/net/idna/idna.go b/vendor/golang.org/x/net/idna/idna.go index ee2dbda..ec8232b 100644 --- a/vendor/golang.org/x/net/idna/idna.go +++ b/vendor/golang.org/x/net/idna/idna.go @@ -67,6 +67,15 @@ func VerifyDNSLength(verify bool) Option { return func(o *options) { o.verifyDNSLength = verify } } +// RemoveLeadingDots removes leading label separators. Leading runes that map to +// dots, such as U+3002, are removed as well. +// +// This is the behavior suggested by the UTS #46 and is adopted by some +// browsers. +func RemoveLeadingDots(remove bool) Option { + return func(o *options) { o.removeLeadingDots = remove } +} + // ValidateLabels sets whether to check the mandatory label validation criteria // as defined in Section 5.4 of RFC 5891. This includes testing for correct use // of hyphens ('-'), normalization, validity of runes, and the context rules. @@ -133,14 +142,16 @@ func MapForLookup() Option { o.mapping = validateAndMap StrictDomainName(true)(o) ValidateLabels(true)(o) + RemoveLeadingDots(true)(o) } } type options struct { - transitional bool - useSTD3Rules bool - validateLabels bool - verifyDNSLength bool + transitional bool + useSTD3Rules bool + validateLabels bool + verifyDNSLength bool + removeLeadingDots bool trie *idnaTrie @@ -156,7 +167,7 @@ type options struct { bidirule func(s string) bool } -// A Profile defines the configuration of a IDNA mapper. +// A Profile defines the configuration of an IDNA mapper. type Profile struct { options } @@ -240,21 +251,23 @@ var ( punycode = &Profile{} lookup = &Profile{options{ - transitional: true, - useSTD3Rules: true, - validateLabels: true, - trie: trie, - fromPuny: validateFromPunycode, - mapping: validateAndMap, - bidirule: bidirule.ValidString, + transitional: true, + useSTD3Rules: true, + validateLabels: true, + removeLeadingDots: true, + trie: trie, + fromPuny: validateFromPunycode, + mapping: validateAndMap, + bidirule: bidirule.ValidString, }} display = &Profile{options{ - useSTD3Rules: true, - validateLabels: true, - trie: trie, - fromPuny: validateFromPunycode, - mapping: validateAndMap, - bidirule: bidirule.ValidString, + useSTD3Rules: true, + validateLabels: true, + removeLeadingDots: true, + trie: trie, + fromPuny: validateFromPunycode, + mapping: validateAndMap, + bidirule: bidirule.ValidString, }} registration = &Profile{options{ useSTD3Rules: true, @@ -293,7 +306,9 @@ func (p *Profile) process(s string, toASCII bool) (string, error) { s, err = p.mapping(p, s) } // Remove leading empty labels. - for ; len(s) > 0 && s[0] == '.'; s = s[1:] { + if p.removeLeadingDots { + for ; len(s) > 0 && s[0] == '.'; s = s[1:] { + } } // It seems like we should only create this error on ToASCII, but the // UTS 46 conformance tests suggests we should always check this. @@ -373,23 +388,20 @@ func validateRegistration(p *Profile, s string) (string, error) { if !norm.NFC.IsNormalString(s) { return s, &labelError{s, "V1"} } - var err error for i := 0; i < len(s); { v, sz := trie.lookupString(s[i:]) - i += sz // Copy bytes not copied so far. switch p.simplify(info(v).category()) { // TODO: handle the NV8 defined in the Unicode idna data set to allow // for strict conformance to IDNA2008. case valid, deviation: case disallowed, mapped, unknown, ignored: - if err == nil { - r, _ := utf8.DecodeRuneInString(s[i:]) - err = runeError(r) - } + r, _ := utf8.DecodeRuneInString(s[i:]) + return s, runeError(r) } + i += sz } - return s, err + return s, nil } func validateAndMap(p *Profile, s string) (string, error) { @@ -408,7 +420,7 @@ func validateAndMap(p *Profile, s string) (string, error) { continue case disallowed: if err == nil { - r, _ := utf8.DecodeRuneInString(s[i:]) + r, _ := utf8.DecodeRuneInString(s[start:]) err = runeError(r) } continue diff --git a/vendor/golang.org/x/net/trace/events.go b/vendor/golang.org/x/net/trace/events.go index d8daec1..c646a69 100644 --- a/vendor/golang.org/x/net/trace/events.go +++ b/vendor/golang.org/x/net/trace/events.go @@ -39,9 +39,9 @@ var buckets = []bucket{ } // RenderEvents renders the HTML page typically served at /debug/events. -// It does not do any auth checking; see AuthRequest for the default auth check -// used by the handler registered on http.DefaultServeMux. -// req may be nil. +// It does not do any auth checking. The request may be nil. +// +// Most users will use the Events handler. func RenderEvents(w http.ResponseWriter, req *http.Request, sensitive bool) { now := time.Now() data := &struct { diff --git a/vendor/golang.org/x/net/trace/trace.go b/vendor/golang.org/x/net/trace/trace.go index 64f56a3..bb72a52 100644 --- a/vendor/golang.org/x/net/trace/trace.go +++ b/vendor/golang.org/x/net/trace/trace.go @@ -77,7 +77,6 @@ import ( "sync/atomic" "time" - "golang.org/x/net/context" "golang.org/x/net/internal/timeseries" ) @@ -111,30 +110,46 @@ var AuthRequest = func(req *http.Request) (any, sensitive bool) { } func init() { - http.HandleFunc("/debug/requests", func(w http.ResponseWriter, req *http.Request) { - any, sensitive := AuthRequest(req) - if !any { - http.Error(w, "not allowed", http.StatusUnauthorized) - return - } - w.Header().Set("Content-Type", "text/html; charset=utf-8") - Render(w, req, sensitive) - }) - http.HandleFunc("/debug/events", func(w http.ResponseWriter, req *http.Request) { - any, sensitive := AuthRequest(req) - if !any { - http.Error(w, "not allowed", http.StatusUnauthorized) - return - } - w.Header().Set("Content-Type", "text/html; charset=utf-8") - RenderEvents(w, req, sensitive) - }) + // TODO(jbd): Serve Traces from /debug/traces in the future? + // There is no requirement for a request to be present to have traces. + http.HandleFunc("/debug/requests", Traces) + http.HandleFunc("/debug/events", Events) +} + +// Traces responds with traces from the program. +// The package initialization registers it in http.DefaultServeMux +// at /debug/requests. +// +// It performs authorization by running AuthRequest. +func Traces(w http.ResponseWriter, req *http.Request) { + any, sensitive := AuthRequest(req) + if !any { + http.Error(w, "not allowed", http.StatusUnauthorized) + return + } + w.Header().Set("Content-Type", "text/html; charset=utf-8") + Render(w, req, sensitive) +} + +// Events responds with a page of events collected by EventLogs. +// The package initialization registers it in http.DefaultServeMux +// at /debug/events. +// +// It performs authorization by running AuthRequest. +func Events(w http.ResponseWriter, req *http.Request) { + any, sensitive := AuthRequest(req) + if !any { + http.Error(w, "not allowed", http.StatusUnauthorized) + return + } + w.Header().Set("Content-Type", "text/html; charset=utf-8") + RenderEvents(w, req, sensitive) } // Render renders the HTML page typically served at /debug/requests. -// It does not do any auth checking; see AuthRequest for the default auth check -// used by the handler registered on http.DefaultServeMux. -// req may be nil. +// It does not do any auth checking. The request may be nil. +// +// Most users will use the Traces handler. func Render(w io.Writer, req *http.Request, sensitive bool) { data := &struct { Families []string @@ -271,18 +286,6 @@ type contextKeyT string var contextKey = contextKeyT("golang.org/x/net/trace.Trace") -// NewContext returns a copy of the parent context -// and associates it with a Trace. -func NewContext(ctx context.Context, tr Trace) context.Context { - return context.WithValue(ctx, contextKey, tr) -} - -// FromContext returns the Trace bound to the context, if any. -func FromContext(ctx context.Context) (tr Trace, ok bool) { - tr, ok = ctx.Value(contextKey).(Trace) - return -} - // Trace represents an active request. type Trace interface { // LazyLog adds x to the event log. It will be evaluated each time the diff --git a/vendor/golang.org/x/net/trace/trace_go16.go b/vendor/golang.org/x/net/trace/trace_go16.go new file mode 100644 index 0000000..d608191 --- /dev/null +++ b/vendor/golang.org/x/net/trace/trace_go16.go @@ -0,0 +1,21 @@ +// Copyright 2017 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. + +// +build !go1.7 + +package trace + +import "golang.org/x/net/context" + +// NewContext returns a copy of the parent context +// and associates it with a Trace. +func NewContext(ctx context.Context, tr Trace) context.Context { + return context.WithValue(ctx, contextKey, tr) +} + +// FromContext returns the Trace bound to the context, if any. +func FromContext(ctx context.Context) (tr Trace, ok bool) { + tr, ok = ctx.Value(contextKey).(Trace) + return +} diff --git a/vendor/golang.org/x/net/trace/trace_go17.go b/vendor/golang.org/x/net/trace/trace_go17.go new file mode 100644 index 0000000..df6e1fb --- /dev/null +++ b/vendor/golang.org/x/net/trace/trace_go17.go @@ -0,0 +1,21 @@ +// Copyright 2017 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. + +// +build go1.7 + +package trace + +import "context" + +// NewContext returns a copy of the parent context +// and associates it with a Trace. +func NewContext(ctx context.Context, tr Trace) context.Context { + return context.WithValue(ctx, contextKey, tr) +} + +// FromContext returns the Trace bound to the context, if any. +func FromContext(ctx context.Context) (tr Trace, ok bool) { + tr, ok = ctx.Value(contextKey).(Trace) + return +} |