From 4091b6f6b4fe01876f8720332675f9c69be39541 Mon Sep 17 00:00:00 2001 From: Wim Date: Sun, 30 May 2021 00:25:30 +0200 Subject: Update vendor (#1498) --- vendor/golang.org/x/crypto/acme/acme.go | 4 + .../golang.org/x/crypto/acme/autocert/autocert.go | 8 +- vendor/golang.org/x/crypto/acme/jws.go | 54 +- vendor/golang.org/x/crypto/acme/rfc8555.go | 30 +- vendor/golang.org/x/crypto/acme/types.go | 22 + vendor/golang.org/x/crypto/acme/version_go112.go | 1 + .../golang.org/x/crypto/chacha20/chacha_arm64.go | 3 +- vendor/golang.org/x/crypto/chacha20/chacha_arm64.s | 2 +- .../golang.org/x/crypto/chacha20/chacha_noasm.go | 3 +- .../golang.org/x/crypto/chacha20/chacha_ppc64le.go | 3 +- .../golang.org/x/crypto/chacha20/chacha_ppc64le.s | 2 +- .../golang.org/x/crypto/chacha20/chacha_s390x.go | 3 +- vendor/golang.org/x/crypto/chacha20/chacha_s390x.s | 2 +- .../x/crypto/curve25519/curve25519_amd64.go | 3 +- .../x/crypto/curve25519/curve25519_amd64.s | 2 +- .../x/crypto/curve25519/curve25519_noasm.go | 3 +- vendor/golang.org/x/crypto/ed25519/ed25519.go | 1 + .../golang.org/x/crypto/ed25519/ed25519_go113.go | 1 + .../x/crypto/internal/subtle/aliasing.go | 3 +- .../x/crypto/internal/subtle/aliasing_appengine.go | 35 - .../x/crypto/internal/subtle/aliasing_purego.go | 36 + vendor/golang.org/x/crypto/poly1305/bits_compat.go | 1 + vendor/golang.org/x/crypto/poly1305/bits_go1.13.go | 1 + vendor/golang.org/x/crypto/poly1305/mac_noasm.go | 3 +- vendor/golang.org/x/crypto/poly1305/sum_amd64.go | 3 +- vendor/golang.org/x/crypto/poly1305/sum_amd64.s | 2 +- vendor/golang.org/x/crypto/poly1305/sum_ppc64le.go | 3 +- vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s | 2 +- vendor/golang.org/x/crypto/poly1305/sum_s390x.go | 3 +- vendor/golang.org/x/crypto/poly1305/sum_s390x.s | 2 +- .../x/crypto/salsa20/salsa/salsa20_amd64.go | 3 +- .../x/crypto/salsa20/salsa/salsa20_amd64.s | 237 +++-- .../x/crypto/salsa20/salsa/salsa20_noasm.go | 3 +- vendor/golang.org/x/crypto/ssh/server.go | 4 + .../golang.org/x/crypto/ssh/terminal/terminal.go | 987 +-------------------- vendor/golang.org/x/crypto/ssh/terminal/util.go | 114 --- .../golang.org/x/crypto/ssh/terminal/util_aix.go | 12 - .../golang.org/x/crypto/ssh/terminal/util_bsd.go | 12 - .../golang.org/x/crypto/ssh/terminal/util_linux.go | 10 - .../golang.org/x/crypto/ssh/terminal/util_plan9.go | 58 -- .../x/crypto/ssh/terminal/util_solaris.go | 124 --- .../x/crypto/ssh/terminal/util_windows.go | 105 --- 42 files changed, 336 insertions(+), 1574 deletions(-) delete mode 100644 vendor/golang.org/x/crypto/internal/subtle/aliasing_appengine.go create mode 100644 vendor/golang.org/x/crypto/internal/subtle/aliasing_purego.go delete mode 100644 vendor/golang.org/x/crypto/ssh/terminal/util.go delete mode 100644 vendor/golang.org/x/crypto/ssh/terminal/util_aix.go delete mode 100644 vendor/golang.org/x/crypto/ssh/terminal/util_bsd.go delete mode 100644 vendor/golang.org/x/crypto/ssh/terminal/util_linux.go delete mode 100644 vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go delete mode 100644 vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go delete mode 100644 vendor/golang.org/x/crypto/ssh/terminal/util_windows.go (limited to 'vendor/golang.org/x/crypto') diff --git a/vendor/golang.org/x/crypto/acme/acme.go b/vendor/golang.org/x/crypto/acme/acme.go index 6e6c9d13..174cfe8b 100644 --- a/vendor/golang.org/x/crypto/acme/acme.go +++ b/vendor/golang.org/x/crypto/acme/acme.go @@ -363,6 +363,10 @@ func AcceptTOS(tosURL string) bool { return true } // Also see Error's Instance field for when a CA requires already registered accounts to agree // to an updated Terms of Service. func (c *Client) Register(ctx context.Context, acct *Account, prompt func(tosURL string) bool) (*Account, error) { + if c.Key == nil { + return nil, errors.New("acme: client.Key must be set to Register") + } + dir, err := c.Discover(ctx) if err != nil { return nil, err diff --git a/vendor/golang.org/x/crypto/acme/autocert/autocert.go b/vendor/golang.org/x/crypto/acme/autocert/autocert.go index 2ea9e231..c7fbc54c 100644 --- a/vendor/golang.org/x/crypto/acme/autocert/autocert.go +++ b/vendor/golang.org/x/crypto/acme/autocert/autocert.go @@ -1133,11 +1133,11 @@ func (s *certState) tlscert() (*tls.Certificate, error) { }, nil } -// certRequest generates a CSR for the given common name cn and optional SANs. -func certRequest(key crypto.Signer, cn string, ext []pkix.Extension, san ...string) ([]byte, error) { +// certRequest generates a CSR for the given common name. +func certRequest(key crypto.Signer, name string, ext []pkix.Extension) ([]byte, error) { req := &x509.CertificateRequest{ - Subject: pkix.Name{CommonName: cn}, - DNSNames: san, + Subject: pkix.Name{CommonName: name}, + DNSNames: []string{name}, ExtraExtensions: ext, } return x509.CreateCertificateRequest(rand.Reader, req, key) diff --git a/vendor/golang.org/x/crypto/acme/jws.go b/vendor/golang.org/x/crypto/acme/jws.go index 76e3fdac..8c3eccec 100644 --- a/vendor/golang.org/x/crypto/acme/jws.go +++ b/vendor/golang.org/x/crypto/acme/jws.go @@ -7,6 +7,7 @@ package acme import ( "crypto" "crypto/ecdsa" + "crypto/hmac" "crypto/rand" "crypto/rsa" "crypto/sha256" @@ -14,6 +15,7 @@ import ( "encoding/asn1" "encoding/base64" "encoding/json" + "errors" "fmt" "math/big" ) @@ -31,6 +33,14 @@ const noKeyID = keyID("") // See https://tools.ietf.org/html/rfc8555#section-6.3 for more details. const noPayload = "" +// jsonWebSignature can be easily serialized into a JWS following +// https://tools.ietf.org/html/rfc7515#section-3.2. +type jsonWebSignature struct { + Protected string `json:"protected"` + Payload string `json:"payload"` + Sig string `json:"signature"` +} + // jwsEncodeJSON signs claimset using provided key and a nonce. // The result is serialized in JSON format containing either kid or jwk // fields based on the provided keyID value. @@ -71,12 +81,7 @@ func jwsEncodeJSON(claimset interface{}, key crypto.Signer, kid keyID, nonce, ur if err != nil { return nil, err } - - enc := struct { - Protected string `json:"protected"` - Payload string `json:"payload"` - Sig string `json:"signature"` - }{ + enc := jsonWebSignature{ Protected: phead, Payload: payload, Sig: base64.RawURLEncoding.EncodeToString(sig), @@ -84,6 +89,43 @@ func jwsEncodeJSON(claimset interface{}, key crypto.Signer, kid keyID, nonce, ur return json.Marshal(&enc) } +// jwsWithMAC creates and signs a JWS using the given key and the HS256 +// algorithm. kid and url are included in the protected header. rawPayload +// should not be base64-URL-encoded. +func jwsWithMAC(key []byte, kid, url string, rawPayload []byte) (*jsonWebSignature, error) { + if len(key) == 0 { + return nil, errors.New("acme: cannot sign JWS with an empty MAC key") + } + header := struct { + Algorithm string `json:"alg"` + KID string `json:"kid"` + URL string `json:"url,omitempty"` + }{ + // Only HMAC-SHA256 is supported. + Algorithm: "HS256", + KID: kid, + URL: url, + } + rawProtected, err := json.Marshal(header) + if err != nil { + return nil, err + } + protected := base64.RawURLEncoding.EncodeToString(rawProtected) + payload := base64.RawURLEncoding.EncodeToString(rawPayload) + + h := hmac.New(sha256.New, key) + if _, err := h.Write([]byte(protected + "." + payload)); err != nil { + return nil, err + } + mac := h.Sum(nil) + + return &jsonWebSignature{ + Protected: protected, + Payload: payload, + Sig: base64.RawURLEncoding.EncodeToString(mac), + }, nil +} + // jwkEncode encodes public part of an RSA or ECDSA key into a JWK. // The result is also suitable for creating a JWK thumbprint. // https://tools.ietf.org/html/rfc7517 diff --git a/vendor/golang.org/x/crypto/acme/rfc8555.go b/vendor/golang.org/x/crypto/acme/rfc8555.go index dfb57a66..073cee58 100644 --- a/vendor/golang.org/x/crypto/acme/rfc8555.go +++ b/vendor/golang.org/x/crypto/acme/rfc8555.go @@ -37,22 +37,32 @@ func (c *Client) DeactivateReg(ctx context.Context) error { return nil } -// registerRFC is quivalent to c.Register but for CAs implementing RFC 8555. +// registerRFC is equivalent to c.Register but for CAs implementing RFC 8555. // It expects c.Discover to have already been called. -// TODO: Implement externalAccountBinding. func (c *Client) registerRFC(ctx context.Context, acct *Account, prompt func(tosURL string) bool) (*Account, error) { c.cacheMu.Lock() // guard c.kid access defer c.cacheMu.Unlock() req := struct { - TermsAgreed bool `json:"termsOfServiceAgreed,omitempty"` - Contact []string `json:"contact,omitempty"` + TermsAgreed bool `json:"termsOfServiceAgreed,omitempty"` + Contact []string `json:"contact,omitempty"` + ExternalAccountBinding *jsonWebSignature `json:"externalAccountBinding,omitempty"` }{ Contact: acct.Contact, } if c.dir.Terms != "" { req.TermsAgreed = prompt(c.dir.Terms) } + + // set 'externalAccountBinding' field if requested + if acct.ExternalAccountBinding != nil { + eabJWS, err := c.encodeExternalAccountBinding(acct.ExternalAccountBinding) + if err != nil { + return nil, fmt.Errorf("acme: failed to encode external account binding: %v", err) + } + req.ExternalAccountBinding = eabJWS + } + res, err := c.post(ctx, c.Key, c.dir.RegURL, req, wantStatus( http.StatusOK, // account with this key already registered http.StatusCreated, // new account created @@ -75,7 +85,17 @@ func (c *Client) registerRFC(ctx context.Context, acct *Account, prompt func(tos return a, nil } -// updateGegRFC is equivalent to c.UpdateReg but for CAs implementing RFC 8555. +// encodeExternalAccountBinding will encode an external account binding stanza +// as described in https://tools.ietf.org/html/rfc8555#section-7.3.4. +func (c *Client) encodeExternalAccountBinding(eab *ExternalAccountBinding) (*jsonWebSignature, error) { + jwk, err := jwkEncode(c.Key.Public()) + if err != nil { + return nil, err + } + return jwsWithMAC(eab.Key, eab.KID, c.dir.RegURL, []byte(jwk)) +} + +// updateRegRFC is equivalent to c.UpdateReg but for CAs implementing RFC 8555. // It expects c.Discover to have already been called. func (c *Client) updateRegRFC(ctx context.Context, a *Account) (*Account, error) { url := string(c.accountKID(ctx)) diff --git a/vendor/golang.org/x/crypto/acme/types.go b/vendor/golang.org/x/crypto/acme/types.go index e959cafc..e751bf52 100644 --- a/vendor/golang.org/x/crypto/acme/types.go +++ b/vendor/golang.org/x/crypto/acme/types.go @@ -199,6 +199,28 @@ type Account struct { // // It is non-RFC 8555 compliant and is obsoleted by OrdersURL. Certificates string + + // ExternalAccountBinding represents an arbitrary binding to an account of + // the CA which the ACME server is tied to. + // See https://tools.ietf.org/html/rfc8555#section-7.3.4 for more details. + ExternalAccountBinding *ExternalAccountBinding +} + +// ExternalAccountBinding contains the data needed to form a request with +// an external account binding. +// See https://tools.ietf.org/html/rfc8555#section-7.3.4 for more details. +type ExternalAccountBinding struct { + // KID is the Key ID of the symmetric MAC key that the CA provides to + // identify an external account from ACME. + KID string + + // Key is the bytes of the symmetric key that the CA provides to identify + // the account. Key must correspond to the KID. + Key []byte +} + +func (e *ExternalAccountBinding) String() string { + return fmt.Sprintf("&{KID: %q, Key: redacted}", e.KID) } // Directory is ACME server discovery data. diff --git a/vendor/golang.org/x/crypto/acme/version_go112.go b/vendor/golang.org/x/crypto/acme/version_go112.go index b58f2456..b9efdb59 100644 --- a/vendor/golang.org/x/crypto/acme/version_go112.go +++ b/vendor/golang.org/x/crypto/acme/version_go112.go @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build go1.12 // +build go1.12 package acme diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_arm64.go b/vendor/golang.org/x/crypto/chacha20/chacha_arm64.go index b799e440..94c71ac1 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_arm64.go +++ b/vendor/golang.org/x/crypto/chacha20/chacha_arm64.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build go1.11,!gccgo,!purego +//go:build go1.11 && gc && !purego +// +build go1.11,gc,!purego package chacha20 diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_arm64.s b/vendor/golang.org/x/crypto/chacha20/chacha_arm64.s index 89148153..8fb49a13 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_arm64.s +++ b/vendor/golang.org/x/crypto/chacha20/chacha_arm64.s @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build go1.11,!gccgo,!purego +// +build go1.11,gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_noasm.go b/vendor/golang.org/x/crypto/chacha20/chacha_noasm.go index 4635307b..025b4989 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_noasm.go +++ b/vendor/golang.org/x/crypto/chacha20/chacha_noasm.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !arm64,!s390x,!ppc64le arm64,!go1.11 gccgo purego +//go:build (!arm64 && !s390x && !ppc64le) || (arm64 && !go1.11) || !gc || purego +// +build !arm64,!s390x,!ppc64le arm64,!go1.11 !gc purego package chacha20 diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.go b/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.go index b7993303..da420b2e 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.go +++ b/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +//go:build gc && !purego +// +build gc,!purego package chacha20 diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.s b/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.s index 23c60216..3dad4b2f 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.s +++ b/vendor/golang.org/x/crypto/chacha20/chacha_ppc64le.s @@ -19,7 +19,7 @@ // The differences in this and the original implementation are // due to the calling conventions and initialization of constants. -// +build !gccgo,!purego +// +build gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_s390x.go b/vendor/golang.org/x/crypto/chacha20/chacha_s390x.go index a9244bdf..c5898db4 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_s390x.go +++ b/vendor/golang.org/x/crypto/chacha20/chacha_s390x.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +//go:build gc && !purego +// +build gc,!purego package chacha20 diff --git a/vendor/golang.org/x/crypto/chacha20/chacha_s390x.s b/vendor/golang.org/x/crypto/chacha20/chacha_s390x.s index 89c658c4..81816118 100644 --- a/vendor/golang.org/x/crypto/chacha20/chacha_s390x.s +++ b/vendor/golang.org/x/crypto/chacha20/chacha_s390x.s @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +// +build gc,!purego #include "go_asm.h" #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.go b/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.go index 5120b779..84858480 100644 --- a/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.go +++ b/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build amd64,!gccgo,!appengine,!purego +//go:build amd64 && gc && !purego +// +build amd64,gc,!purego package curve25519 diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.s b/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.s index 0250c888..6c533809 100644 --- a/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.s +++ b/vendor/golang.org/x/crypto/curve25519/curve25519_amd64.s @@ -5,7 +5,7 @@ // This code was translated into a form compatible with 6a from the public // domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html -// +build amd64,!gccgo,!appengine,!purego +// +build amd64,gc,!purego #define REDMASK51 0x0007FFFFFFFFFFFF diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519_noasm.go b/vendor/golang.org/x/crypto/curve25519/curve25519_noasm.go index 047d49af..259728af 100644 --- a/vendor/golang.org/x/crypto/curve25519/curve25519_noasm.go +++ b/vendor/golang.org/x/crypto/curve25519/curve25519_noasm.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !amd64 gccgo appengine purego +//go:build !amd64 || !gc || purego +// +build !amd64 !gc purego package curve25519 diff --git a/vendor/golang.org/x/crypto/ed25519/ed25519.go b/vendor/golang.org/x/crypto/ed25519/ed25519.go index c7f8c7e6..71ad917d 100644 --- a/vendor/golang.org/x/crypto/ed25519/ed25519.go +++ b/vendor/golang.org/x/crypto/ed25519/ed25519.go @@ -5,6 +5,7 @@ // In Go 1.13, the ed25519 package was promoted to the standard library as // crypto/ed25519, and this package became a wrapper for the standard library one. // +//go:build !go1.13 // +build !go1.13 // Package ed25519 implements the Ed25519 signature algorithm. See diff --git a/vendor/golang.org/x/crypto/ed25519/ed25519_go113.go b/vendor/golang.org/x/crypto/ed25519/ed25519_go113.go index d1448d8d..b5974dc8 100644 --- a/vendor/golang.org/x/crypto/ed25519/ed25519_go113.go +++ b/vendor/golang.org/x/crypto/ed25519/ed25519_go113.go @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build go1.13 // +build go1.13 // Package ed25519 implements the Ed25519 signature algorithm. See diff --git a/vendor/golang.org/x/crypto/internal/subtle/aliasing.go b/vendor/golang.org/x/crypto/internal/subtle/aliasing.go index f38797bf..4fad24f8 100644 --- a/vendor/golang.org/x/crypto/internal/subtle/aliasing.go +++ b/vendor/golang.org/x/crypto/internal/subtle/aliasing.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !appengine +//go:build !purego +// +build !purego // Package subtle implements functions that are often useful in cryptographic // code but require careful thought to use correctly. diff --git a/vendor/golang.org/x/crypto/internal/subtle/aliasing_appengine.go b/vendor/golang.org/x/crypto/internal/subtle/aliasing_appengine.go deleted file mode 100644 index 0cc4a8a6..00000000 --- a/vendor/golang.org/x/crypto/internal/subtle/aliasing_appengine.go +++ /dev/null @@ -1,35 +0,0 @@ -// Copyright 2018 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 appengine - -// Package subtle implements functions that are often useful in cryptographic -// code but require careful thought to use correctly. -package subtle // import "golang.org/x/crypto/internal/subtle" - -// This is the Google App Engine standard variant based on reflect -// because the unsafe package and cgo are disallowed. - -import "reflect" - -// AnyOverlap reports whether x and y share memory at any (not necessarily -// corresponding) index. The memory beyond the slice length is ignored. -func AnyOverlap(x, y []byte) bool { - return len(x) > 0 && len(y) > 0 && - reflect.ValueOf(&x[0]).Pointer() <= reflect.ValueOf(&y[len(y)-1]).Pointer() && - reflect.ValueOf(&y[0]).Pointer() <= reflect.ValueOf(&x[len(x)-1]).Pointer() -} - -// InexactOverlap reports whether x and y share memory at any non-corresponding -// index. The memory beyond the slice length is ignored. Note that x and y can -// have different lengths and still not have any inexact overlap. -// -// InexactOverlap can be used to implement the requirements of the crypto/cipher -// AEAD, Block, BlockMode and Stream interfaces. -func InexactOverlap(x, y []byte) bool { - if len(x) == 0 || len(y) == 0 || &x[0] == &y[0] { - return false - } - return AnyOverlap(x, y) -} diff --git a/vendor/golang.org/x/crypto/internal/subtle/aliasing_purego.go b/vendor/golang.org/x/crypto/internal/subtle/aliasing_purego.go new file mode 100644 index 00000000..80ccbed2 --- /dev/null +++ b/vendor/golang.org/x/crypto/internal/subtle/aliasing_purego.go @@ -0,0 +1,36 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build purego +// +build purego + +// Package subtle implements functions that are often useful in cryptographic +// code but require careful thought to use correctly. +package subtle // import "golang.org/x/crypto/internal/subtle" + +// This is the Google App Engine standard variant based on reflect +// because the unsafe package and cgo are disallowed. + +import "reflect" + +// AnyOverlap reports whether x and y share memory at any (not necessarily +// corresponding) index. The memory beyond the slice length is ignored. +func AnyOverlap(x, y []byte) bool { + return len(x) > 0 && len(y) > 0 && + reflect.ValueOf(&x[0]).Pointer() <= reflect.ValueOf(&y[len(y)-1]).Pointer() && + reflect.ValueOf(&y[0]).Pointer() <= reflect.ValueOf(&x[len(x)-1]).Pointer() +} + +// InexactOverlap reports whether x and y share memory at any non-corresponding +// index. The memory beyond the slice length is ignored. Note that x and y can +// have different lengths and still not have any inexact overlap. +// +// InexactOverlap can be used to implement the requirements of the crypto/cipher +// AEAD, Block, BlockMode and Stream interfaces. +func InexactOverlap(x, y []byte) bool { + if len(x) == 0 || len(y) == 0 || &x[0] == &y[0] { + return false + } + return AnyOverlap(x, y) +} diff --git a/vendor/golang.org/x/crypto/poly1305/bits_compat.go b/vendor/golang.org/x/crypto/poly1305/bits_compat.go index 157a69f6..45b5c966 100644 --- a/vendor/golang.org/x/crypto/poly1305/bits_compat.go +++ b/vendor/golang.org/x/crypto/poly1305/bits_compat.go @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build !go1.13 // +build !go1.13 package poly1305 diff --git a/vendor/golang.org/x/crypto/poly1305/bits_go1.13.go b/vendor/golang.org/x/crypto/poly1305/bits_go1.13.go index a0a185f0..ed52b341 100644 --- a/vendor/golang.org/x/crypto/poly1305/bits_go1.13.go +++ b/vendor/golang.org/x/crypto/poly1305/bits_go1.13.go @@ -2,6 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +//go:build go1.13 // +build go1.13 package poly1305 diff --git a/vendor/golang.org/x/crypto/poly1305/mac_noasm.go b/vendor/golang.org/x/crypto/poly1305/mac_noasm.go index d118f30e..f184b67d 100644 --- a/vendor/golang.org/x/crypto/poly1305/mac_noasm.go +++ b/vendor/golang.org/x/crypto/poly1305/mac_noasm.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !amd64,!ppc64le,!s390x gccgo purego +//go:build (!amd64 && !ppc64le && !s390x) || !gc || purego +// +build !amd64,!ppc64le,!s390x !gc purego package poly1305 diff --git a/vendor/golang.org/x/crypto/poly1305/sum_amd64.go b/vendor/golang.org/x/crypto/poly1305/sum_amd64.go index 99e5a1d5..6d522333 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_amd64.go +++ b/vendor/golang.org/x/crypto/poly1305/sum_amd64.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +//go:build gc && !purego +// +build gc,!purego package poly1305 diff --git a/vendor/golang.org/x/crypto/poly1305/sum_amd64.s b/vendor/golang.org/x/crypto/poly1305/sum_amd64.s index 8d394a21..2cb03731 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_amd64.s +++ b/vendor/golang.org/x/crypto/poly1305/sum_amd64.s @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +// +build gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.go b/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.go index 2e7a120b..4a069941 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.go +++ b/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +//go:build gc && !purego +// +build gc,!purego package poly1305 diff --git a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s b/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s index 4e028138..5cd7494b 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s +++ b/vendor/golang.org/x/crypto/poly1305/sum_ppc64le.s @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +// +build gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/poly1305/sum_s390x.go b/vendor/golang.org/x/crypto/poly1305/sum_s390x.go index 958fedc0..62cc9f84 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_s390x.go +++ b/vendor/golang.org/x/crypto/poly1305/sum_s390x.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +//go:build gc && !purego +// +build gc,!purego package poly1305 diff --git a/vendor/golang.org/x/crypto/poly1305/sum_s390x.s b/vendor/golang.org/x/crypto/poly1305/sum_s390x.s index 0fa9ee6e..bdd882c6 100644 --- a/vendor/golang.org/x/crypto/poly1305/sum_s390x.s +++ b/vendor/golang.org/x/crypto/poly1305/sum_s390x.s @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !gccgo,!purego +// +build gc,!purego #include "textflag.h" diff --git a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go index 656e8df9..c400dfcf 100644 --- a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go +++ b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build amd64,!appengine,!gccgo +//go:build amd64 && !purego && gc +// +build amd64,!purego,gc package salsa diff --git a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.s b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.s index 18085d2e..f97efc67 100644 --- a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.s +++ b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_amd64.s @@ -2,13 +2,13 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build amd64,!appengine,!gccgo +// +build amd64,!purego,gc // This code was translated into a form compatible with 6a from the public // domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html // func salsa2020XORKeyStream(out, in *byte, n uint64, nonce, key *byte) -// This needs up to 64 bytes at 360(SP); hence the non-obvious frame size. +// This needs up to 64 bytes at 360(R12); hence the non-obvious frame size. TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVQ out+0(FP),DI MOVQ in+8(FP),SI @@ -17,10 +17,8 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVQ key+32(FP),R8 MOVQ SP,R12 - MOVQ SP,R9 - ADDQ $31, R9 - ANDQ $~31, R9 - MOVQ R9, SP + ADDQ $31, R12 + ANDQ $~31, R12 MOVQ DX,R9 MOVQ CX,DX @@ -32,116 +30,116 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVL 0(R10),R8 MOVL 0(DX),AX MOVL 16(R10),R11 - MOVL CX,0(SP) - MOVL R8, 4 (SP) - MOVL AX, 8 (SP) - MOVL R11, 12 (SP) + MOVL CX,0(R12) + MOVL R8, 4 (R12) + MOVL AX, 8 (R12) + MOVL R11, 12 (R12) MOVL 8(DX),CX MOVL 24(R10),R8 MOVL 4(R10),AX MOVL 4(DX),R11 - MOVL CX,16(SP) - MOVL R8, 20 (SP) - MOVL AX, 24 (SP) - MOVL R11, 28 (SP) + MOVL CX,16(R12) + MOVL R8, 20 (R12) + MOVL AX, 24 (R12) + MOVL R11, 28 (R12) MOVL 12(DX),CX MOVL 12(R10),DX MOVL 28(R10),R8 MOVL 8(R10),AX - MOVL DX,32(SP) - MOVL CX, 36 (SP) - MOVL R8, 40 (SP) - MOVL AX, 44 (SP) + MOVL DX,32(R12) + MOVL CX, 36 (R12) + MOVL R8, 40 (R12) + MOVL AX, 44 (R12) MOVQ $1634760805,DX MOVQ $857760878,CX MOVQ $2036477234,R8 MOVQ $1797285236,AX - MOVL DX,48(SP) - MOVL CX, 52 (SP) - MOVL R8, 56 (SP) - MOVL AX, 60 (SP) + MOVL DX,48(R12) + MOVL CX, 52 (R12) + MOVL R8, 56 (R12) + MOVL AX, 60 (R12) CMPQ R9,$256 JB BYTESBETWEEN1AND255 - MOVOA 48(SP),X0 + MOVOA 48(R12),X0 PSHUFL $0X55,X0,X1 PSHUFL $0XAA,X0,X2 PSHUFL $0XFF,X0,X3 PSHUFL $0X00,X0,X0 - MOVOA X1,64(SP) - MOVOA X2,80(SP) - MOVOA X3,96(SP) - MOVOA X0,112(SP) - MOVOA 0(SP),X0 + MOVOA X1,64(R12) + MOVOA X2,80(R12) + MOVOA X3,96(R12) + MOVOA X0,112(R12) + MOVOA 0(R12),X0 PSHUFL $0XAA,X0,X1 PSHUFL $0XFF,X0,X2 PSHUFL $0X00,X0,X3 PSHUFL $0X55,X0,X0 - MOVOA X1,128(SP) - MOVOA X2,144(SP) - MOVOA X3,160(SP) - MOVOA X0,176(SP) - MOVOA 16(SP),X0 + MOVOA X1,128(R12) + MOVOA X2,144(R12) + MOVOA X3,160(R12) + MOVOA X0,176(R12) + MOVOA 16(R12),X0 PSHUFL $0XFF,X0,X1 PSHUFL $0X55,X0,X2 PSHUFL $0XAA,X0,X0 - MOVOA X1,192(SP) - MOVOA X2,208(SP) - MOVOA X0,224(SP) - MOVOA 32(SP),X0 + MOVOA X1,192(R12) + MOVOA X2,208(R12) + MOVOA X0,224(R12) + MOVOA 32(R12),X0 PSHUFL $0X00,X0,X1 PSHUFL $0XAA,X0,X2 PSHUFL $0XFF,X0,X0 - MOVOA X1,240(SP) - MOVOA X2,256(SP) - MOVOA X0,272(SP) + MOVOA X1,240(R12) + MOVOA X2,256(R12) + MOVOA X0,272(R12) BYTESATLEAST256: - MOVL 16(SP),DX - MOVL 36 (SP),CX - MOVL DX,288(SP) - MOVL CX,304(SP) + MOVL 16(R12),DX + MOVL 36 (R12),CX + MOVL DX,288(R12) + MOVL CX,304(R12) SHLQ $32,CX ADDQ CX,DX ADDQ $1,DX MOVQ DX,CX SHRQ $32,CX - MOVL DX, 292 (SP) - MOVL CX, 308 (SP) + MOVL DX, 292 (R12) + MOVL CX, 308 (R12) ADDQ $1,DX MOVQ DX,CX SHRQ $32,CX - MOVL DX, 296 (SP) - MOVL CX, 312 (SP) + MOVL DX, 296 (R12) + MOVL CX, 312 (R12) ADDQ $1,DX MOVQ DX,CX SHRQ $32,CX - MOVL DX, 300 (SP) - MOVL CX, 316 (SP) + MOVL DX, 300 (R12) + MOVL CX, 316 (R12) ADDQ $1,DX MOVQ DX,CX SHRQ $32,CX - MOVL DX,16(SP) - MOVL CX, 36 (SP) - MOVQ R9,352(SP) + MOVL DX,16(R12) + MOVL CX, 36 (R12) + MOVQ R9,352(R12) MOVQ $20,DX - MOVOA 64(SP),X0 - MOVOA 80(SP),X1 - MOVOA 96(SP),X2 - MOVOA 256(SP),X3 - MOVOA 272(SP),X4 - MOVOA 128(SP),X5 - MOVOA 144(SP),X6 - MOVOA 176(SP),X7 - MOVOA 192(SP),X8 - MOVOA 208(SP),X9 - MOVOA 224(SP),X10 - MOVOA 304(SP),X11 - MOVOA 112(SP),X12 - MOVOA 160(SP),X13 - MOVOA 240(SP),X14 - MOVOA 288(SP),X15 + MOVOA 64(R12),X0 + MOVOA 80(R12),X1 + MOVOA 96(R12),X2 + MOVOA 256(R12),X3 + MOVOA 272(R12),X4 + MOVOA 128(R12),X5 + MOVOA 144(R12),X6 + MOVOA 176(R12),X7 + MOVOA 192(R12),X8 + MOVOA 208(R12),X9 + MOVOA 224(R12),X10 + MOVOA 304(R12),X11 + MOVOA 112(R12),X12 + MOVOA 160(R12),X13 + MOVOA 240(R12),X14 + MOVOA 288(R12),X15 MAINLOOP1: - MOVOA X1,320(SP) - MOVOA X2,336(SP) + MOVOA X1,320(R12) + MOVOA X2,336(R12) MOVOA X13,X1 PADDL X12,X1 MOVOA X1,X2 @@ -191,8 +189,8 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment PXOR X1,X12 PSRLL $14,X2 PXOR X2,X12 - MOVOA 320(SP),X1 - MOVOA X12,320(SP) + MOVOA 320(R12),X1 + MOVOA X12,320(R12) MOVOA X9,X2 PADDL X7,X2 MOVOA X2,X12 @@ -207,8 +205,8 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment PXOR X2,X3 PSRLL $25,X12 PXOR X12,X3 - MOVOA 336(SP),X2 - MOVOA X0,336(SP) + MOVOA 336(R12),X2 + MOVOA X0,336(R12) MOVOA X6,X0 PADDL X2,X0 MOVOA X0,X12 @@ -251,8 +249,8 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment PXOR X0,X1 PSRLL $14,X12 PXOR X12,X1 - MOVOA 320(SP),X0 - MOVOA X1,320(SP) + MOVOA 320(R12),X0 + MOVOA X1,320(R12) MOVOA X4,X1 PADDL X0,X1 MOVOA X1,X12 @@ -267,8 +265,8 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment PXOR X1,X2 PSRLL $14,X12 PXOR X12,X2 - MOVOA 336(SP),X12 - MOVOA X2,336(SP) + MOVOA 336(R12),X12 + MOVOA X2,336(R12) MOVOA X14,X1 PADDL X12,X1 MOVOA X1,X2 @@ -311,8 +309,8 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment PXOR X1,X0 PSRLL $14,X2 PXOR X2,X0 - MOVOA 320(SP),X1 - MOVOA X0,320(SP) + MOVOA 320(R12),X1 + MOVOA X0,320(R12) MOVOA X8,X0 PADDL X14,X0 MOVOA X0,X2 @@ -327,8 +325,8 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment PXOR X0,X6 PSRLL $25,X2 PXOR X2,X6 - MOVOA 336(SP),X2 - MOVOA X12,336(SP) + MOVOA 336(R12),X2 + MOVOA X12,336(R12) MOVOA X3,X0 PADDL X2,X0 MOVOA X0,X12 @@ -378,14 +376,14 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment PXOR X0,X2 PSRLL $14,X12 PXOR X12,X2 - MOVOA 320(SP),X12 - MOVOA 336(SP),X0 + MOVOA 320(R12),X12 + MOVOA 336(R12),X0 SUBQ $2,DX JA MAINLOOP1 - PADDL 112(SP),X12 - PADDL 176(SP),X7 - PADDL 224(SP),X10 - PADDL 272(SP),X4 + PADDL 112(R12),X12 + PADDL 176(R12),X7 + PADDL 224(R12),X10 + PADDL 272(R12),X4 MOVD X12,DX MOVD X7,CX MOVD X10,R8 @@ -446,10 +444,10 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVL CX,196(DI) MOVL R8,200(DI) MOVL R9,204(DI) - PADDL 240(SP),X14 - PADDL 64(SP),X0 - PADDL 128(SP),X5 - PADDL 192(SP),X8 + PADDL 240(R12),X14 + PADDL 64(R12),X0 + PADDL 128(R12),X5 + PADDL 192(R12),X8 MOVD X14,DX MOVD X0,CX MOVD X5,R8 @@ -510,10 +508,10 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVL CX,212(DI) MOVL R8,216(DI) MOVL R9,220(DI) - PADDL 288(SP),X15 - PADDL 304(SP),X11 - PADDL 80(SP),X1 - PADDL 144(SP),X6 + PADDL 288(R12),X15 + PADDL 304(R12),X11 + PADDL 80(R12),X1 + PADDL 144(R12),X6 MOVD X15,DX MOVD X11,CX MOVD X1,R8 @@ -574,10 +572,10 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVL CX,228(DI) MOVL R8,232(DI) MOVL R9,236(DI) - PADDL 160(SP),X13 - PADDL 208(SP),X9 - PADDL 256(SP),X3 - PADDL 96(SP),X2 + PADDL 160(R12),X13 + PADDL 208(R12),X9 + PADDL 256(R12),X3 + PADDL 96(R12),X2 MOVD X13,DX MOVD X9,CX MOVD X3,R8 @@ -638,7 +636,7 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVL CX,244(DI) MOVL R8,248(DI) MOVL R9,252(DI) - MOVQ 352(SP),R9 + MOVQ 352(R12),R9 SUBQ $256,R9 ADDQ $256,SI ADDQ $256,DI @@ -650,17 +648,17 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment CMPQ R9,$64 JAE NOCOPY MOVQ DI,DX - LEAQ 360(SP),DI + LEAQ 360(R12),DI MOVQ R9,CX REP; MOVSB - LEAQ 360(SP),DI - LEAQ 360(SP),SI + LEAQ 360(R12),DI + LEAQ 360(R12),SI NOCOPY: - MOVQ R9,352(SP) - MOVOA 48(SP),X0 - MOVOA 0(SP),X1 - MOVOA 16(SP),X2 - MOVOA 32(SP),X3 + MOVQ R9,352(R12) + MOVOA 48(R12),X0 + MOVOA 0(R12),X1 + MOVOA 16(R12),X2 + MOVOA 32(R12),X3 MOVOA X1,X4 MOVQ $20,CX MAINLOOP2: @@ -791,10 +789,10 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment PSHUFL $0X39,X3,X3 PXOR X6,X0 JA MAINLOOP2 - PADDL 48(SP),X0 - PADDL 0(SP),X1 - PADDL 16(SP),X2 - PADDL 32(SP),X3 + PADDL 48(R12),X0 + PADDL 0(R12),X1 + PADDL 16(R12),X2 + PADDL 32(R12),X3 MOVD X0,CX MOVD X1,R8 MOVD X2,R9 @@ -855,16 +853,16 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment MOVL R8,44(DI) MOVL R9,28(DI) MOVL AX,12(DI) - MOVQ 352(SP),R9 - MOVL 16(SP),CX - MOVL 36 (SP),R8 + MOVQ 352(R12),R9 + MOVL 16(R12),CX + MOVL 36 (R12),R8 ADDQ $1,CX SHLQ $32,R8 ADDQ R8,CX MOVQ CX,R8 SHRQ $32,R8 - MOVL CX,16(SP) - MOVL R8, 36 (SP) + MOVL CX,16(R12) + MOVL R8, 36 (R12) CMPQ R9,$64 JA BYTESATLEAST65 JAE BYTESATLEAST64 @@ -874,7 +872,6 @@ TEXT ·salsa2020XORKeyStream(SB),0,$456-40 // frame = 424 + 32 byte alignment REP; MOVSB BYTESATLEAST64: DONE: - MOVQ R12,SP RET BYTESATLEAST65: SUBQ $64,R9 diff --git a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_noasm.go b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_noasm.go index 8a46bd2b..4392cc1a 100644 --- a/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_noasm.go +++ b/vendor/golang.org/x/crypto/salsa20/salsa/salsa20_noasm.go @@ -2,7 +2,8 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build !amd64 appengine gccgo +//go:build !amd64 || purego || !gc +// +build !amd64 purego !gc package salsa diff --git a/vendor/golang.org/x/crypto/ssh/server.go b/vendor/golang.org/x/crypto/ssh/server.go index 7d42a8c8..b6911e83 100644 --- a/vendor/golang.org/x/crypto/ssh/server.go +++ b/vendor/golang.org/x/crypto/ssh/server.go @@ -572,6 +572,10 @@ userAuthLoop: perms = candidate.perms } case "gssapi-with-mic": + if config.GSSAPIWithMICConfig == nil { + authErr = errors.New("ssh: gssapi-with-mic auth not configured") + break + } gssapiConfig := config.GSSAPIWithMICConfig userAuthRequestGSSAPI, err := parseGSSAPIPayload(userAuthReq.Payload) if err != nil { diff --git a/vendor/golang.org/x/crypto/ssh/terminal/terminal.go b/vendor/golang.org/x/crypto/ssh/terminal/terminal.go index 2ffb97bf..a4d1919a 100644 --- a/vendor/golang.org/x/crypto/ssh/terminal/terminal.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/terminal.go @@ -2,986 +2,75 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +// Package terminal provides support functions for dealing with terminals, as +// commonly found on UNIX systems. +// +// Deprecated: this package moved to golang.org/x/term. package terminal import ( - "bytes" "io" - "runtime" - "strconv" - "sync" - "unicode/utf8" + + "golang.org/x/term" ) // EscapeCodes contains escape sequences that can be written to the terminal in // order to achieve different styles of text. -type EscapeCodes struct { - // Foreground colors - Black, Red, Green, Yellow, Blue, Magenta, Cyan, White []byte - - // Reset all attributes - Reset []byte -} - -var vt100EscapeCodes = EscapeCodes{ - Black: []byte{keyEscape, '[', '3', '0', 'm'}, - Red: []byte{keyEscape, '[', '3', '1', 'm'}, - Green: []byte{keyEscape, '[', '3', '2', 'm'}, - Yellow: []byte{keyEscape, '[', '3', '3', 'm'}, - Blue: []byte{keyEscape, '[', '3', '4', 'm'}, - Magenta: []byte{keyEscape, '[', '3', '5', 'm'}, - Cyan: []byte{keyEscape, '[', '3', '6', 'm'}, - White: []byte{keyEscape, '[', '3', '7', 'm'}, - - Reset: []byte{keyEscape, '[', '0', 'm'}, -} +type EscapeCodes = term.EscapeCodes // Terminal contains the state for running a VT100 terminal that is capable of // reading lines of input. -type Terminal struct { - // AutoCompleteCallback, if non-null, is called for each keypress with - // the full input line and the current position of the cursor (in - // bytes, as an index into |line|). If it returns ok=false, the key - // press is processed normally. Otherwise it returns a replacement line - // and the new cursor position. - AutoCompleteCallback func(line string, pos int, key rune) (newLine string, newPos int, ok bool) - - // Escape contains a pointer to the escape codes for this terminal. - // It's always a valid pointer, although the escape codes themselves - // may be empty if the terminal doesn't support them. - Escape *EscapeCodes - - // lock protects the terminal and the state in this object from - // concurrent processing of a key press and a Write() call. - lock sync.Mutex - - c io.ReadWriter - prompt []rune - - // line is the current line being entered. - line []rune - // pos is the logical position of the cursor in line - pos int - // echo is true if local echo is enabled - echo bool - // pasteActive is true iff there is a bracketed paste operation in - // progress. - pasteActive bool - - // cursorX contains the current X value of the cursor where the left - // edge is 0. cursorY contains the row number where the first row of - // the current line is 0. - cursorX, cursorY int - // maxLine is the greatest value of cursorY so far. - maxLine int - - termWidth, termHeight int - - // outBuf contains the terminal data to be sent. - outBuf []byte - // remainder contains the remainder of any partial key sequences after - // a read. It aliases into inBuf. - remainder []byte - inBuf [256]byte - - // history contains previously entered commands so that they can be - // accessed with the up and down keys. - history stRingBuffer - // historyIndex stores the currently accessed history entry, where zero - // means the immediately previous entry. - historyIndex int - // When navigating up and down the history it's possible to return to - // the incomplete, initial line. That value is stored in - // historyPending. - historyPending string -} +type Terminal = term.Terminal // NewTerminal runs a VT100 terminal on the given ReadWriter. If the ReadWriter is // a local terminal, that terminal must first have been put into raw mode. // prompt is a string that is written at the start of each input line (i.e. // "> "). func NewTerminal(c io.ReadWriter, prompt string) *Terminal { - return &Terminal{ - Escape: &vt100EscapeCodes, - c: c, - prompt: []rune(prompt), - termWidth: 80, - termHeight: 24, - echo: true, - historyIndex: -1, - } -} - -const ( - keyCtrlC = 3 - keyCtrlD = 4 - keyCtrlU = 21 - keyEnter = '\r' - keyEscape = 27 - keyBackspace = 127 - keyUnknown = 0xd800 /* UTF-16 surrogate area */ + iota - keyUp - keyDown - keyLeft - keyRight - keyAltLeft - keyAltRight - keyHome - keyEnd - keyDeleteWord - keyDeleteLine - keyClearScreen - keyPasteStart - keyPasteEnd -) - -var ( - crlf = []byte{'\r', '\n'} - pasteStart = []byte{keyEscape, '[', '2', '0', '0', '~'} - pasteEnd = []byte{keyEscape, '[', '2', '0', '1', '~'} -) - -// bytesToKey tries to parse a key sequence from b. If successful, it returns -// the key and the remainder of the input. Otherwise it returns utf8.RuneError. -func bytesToKey(b []byte, pasteActive bool) (rune, []byte) { - if len(b) == 0 { - return utf8.RuneError, nil - } - - if !pasteActive { - switch b[0] { - case 1: // ^A - return keyHome, b[1:] - case 2: // ^B - return keyLeft, b[1:] - case 5: // ^E - return keyEnd, b[1:] - case 6: // ^F - return keyRight, b[1:] - case 8: // ^H - return keyBackspace, b[1:] - case 11: // ^K - return keyDeleteLine, b[1:] - case 12: // ^L - return keyClearScreen, b[1:] - case 23: // ^W - return keyDeleteWord, b[1:] - case 14: // ^N - return keyDown, b[1:] - case 16: // ^P - return keyUp, b[1:] - } - } - - if b[0] != keyEscape { - if !utf8.FullRune(b) { - return utf8.RuneError, b - } - r, l := utf8.DecodeRune(b) - return r, b[l:] - } - - if !pasteActive && len(b) >= 3 && b[0] == keyEscape && b[1] == '[' { - switch b[2] { - case 'A': - return keyUp, b[3:] - case 'B': - return keyDown, b[3:] - case 'C': - return keyRight, b[3:] - case 'D': - return keyLeft, b[3:] - case 'H': - return keyHome, b[3:] - case 'F': - return keyEnd, b[3:] - } - } - - if !pasteActive && len(b) >= 6 && b[0] == keyEscape && b[1] == '[' && b[2] == '1' && b[3] == ';' && b[4] == '3' { - switch b[5] { - case 'C': - return keyAltRight, b[6:] - case 'D': - return keyAltLeft, b[6:] - } - } - - if !pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteStart) { - return keyPasteStart, b[6:] - } - - if pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteEnd) { - return keyPasteEnd, b[6:] - } - - // If we get here then we have a key that we don't recognise, or a - // partial sequence. It's not clear how one should find the end of a - // sequence without knowing them all, but it seems that [a-zA-Z~] only - // appears at the end of a sequence. - for i, c := range b[0:] { - if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c == '~' { - return keyUnknown, b[i+1:] - } - } - - return utf8.RuneError, b -} - -// queue appends data to the end of t.outBuf -func (t *Terminal) queue(data []rune) { - t.outBuf = append(t.outBuf, []byte(string(data))...) -} - -var eraseUnderCursor = []rune{' ', keyEscape, '[', 'D'} -var space = []rune{' '} - -func isPrintable(key rune) bool { - isInSurrogateArea := key >= 0xd800 && key <= 0xdbff - return key >= 32 && !isInSurrogateArea -} - -// moveCursorToPos appends data to t.outBuf which will move the cursor to the -// given, logical position in the text. -func (t *Terminal) moveCursorToPos(pos int) { - if !t.echo { - return - } - - x := visualLength(t.prompt) + pos - y := x / t.termWidth - x = x % t.termWidth - - up := 0 - if y < t.cursorY { - up = t.cursorY - y - } - - down := 0 - if y > t.cursorY { - down = y - t.cursorY - } - - left := 0 - if x < t.cursorX { - left = t.cursorX - x - } - - right := 0 - if x > t.cursorX { - right = x - t.cursorX - } - - t.cursorX = x - t.cursorY = y - t.move(up, down, left, right) -} - -func (t *Terminal) move(up, down, left, right int) { - m := []rune{} - - // 1 unit up can be expressed as ^[[A or ^[A - // 5 units up can be expressed as ^[[5A - - if up == 1 { - m = append(m, keyEscape, '[', 'A') - } else if up > 1 { - m = append(m, keyEscape, '[') - m = append(m, []rune(strconv.Itoa(up))...) - m = append(m, 'A') - } - - if down == 1 { - m = append(m, keyEscape, '[', 'B') - } else if down > 1 { - m = append(m, keyEscape, '[') - m = append(m, []rune(strconv.Itoa(down))...) - m = append(m, 'B') - } - - if right == 1 { - m = append(m, keyEscape, '[', 'C') - } else if right > 1 { - m = append(m, keyEscape, '[') - m = append(m, []rune(strconv.Itoa(right))...) - m = append(m, 'C') - } - - if left == 1 { - m = append(m, keyEscape, '[', 'D') - } else if left > 1 { - m = append(m, keyEscape, '[') - m = append(m, []rune(strconv.Itoa(left))...) - m = append(m, 'D') - } - - t.queue(m) -} - -func (t *Terminal) clearLineToRight() { - op := []rune{keyEscape, '[', 'K'} - t.queue(op) -} - -const maxLineLength = 4096 - -func (t *Terminal) setLine(newLine []rune, newPos int) { - if t.echo { - t.moveCursorToPos(0) - t.writeLine(newLine) - for i := len(newLine); i < len(t.line); i++ { - t.writeLine(space) - } - t.moveCursorToPos(newPos) - } - t.line = newLine - t.pos = newPos -} - -func (t *Terminal) advanceCursor(places int) { - t.cursorX += places - t.cursorY += t.cursorX / t.termWidth - if t.cursorY > t.maxLine { - t.maxLine = t.cursorY - } - t.cursorX = t.cursorX % t.termWidth - - if places > 0 && t.cursorX == 0 { - // Normally terminals will advance the current position - // when writing a character. But that doesn't happen - // for the last character in a line. However, when - // writing a character (except a new line) that causes - // a line wrap, the position will be advanced two - // places. - // - // So, if we are stopping at the end of a line, we - // need to write a newline so that our cursor can be - // advanced to the next line. - t.outBuf = append(t.outBuf, '\r', '\n') - } -} - -func (t *Terminal) eraseNPreviousChars(n int) { - if n == 0 { - return - } - - if t.pos < n { - n = t.pos - } - t.pos -= n - t.moveCursorToPos(t.pos) - - copy(t.line[t.pos:], t.line[n+t.pos:]) - t.line = t.line[:len(t.line)-n] - if t.echo { - t.writeLine(t.line[t.pos:]) - for i := 0; i < n; i++ { - t.queue(space) - } - t.advanceCursor(n) - t.moveCursorToPos(t.pos) - } -} - -// countToLeftWord returns then number of characters from the cursor to the -// start of the previous word. -func (t *Terminal) countToLeftWord() int { - if t.pos == 0 { - return 0 - } - - pos := t.pos - 1 - for pos > 0 { - if t.line[pos] != ' ' { - break - } - pos-- - } - for pos > 0 { - if t.line[pos] == ' ' { - pos++ - break - } - pos-- - } - - return t.pos - pos -} - -// countToRightWord returns then number of characters from the cursor to the -// start of the next word. -func (t *Terminal) countToRightWord() int { - pos := t.pos - for pos < len(t.line) { - if t.line[pos] == ' ' { - break - } - pos++ - } - for pos < len(t.line) { - if t.line[pos] != ' ' { - break - } - pos++ - } - return pos - t.pos -} - -// visualLength returns the number of visible glyphs in s. -func visualLength(runes []rune) int { - inEscapeSeq := false - length := 0 - - for _, r := range runes { - switch { - case inEscapeSeq: - if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') { - inEscapeSeq = false - } - case r == '\x1b': - inEscapeSeq = true - default: - length++ - } - } - - return length -} - -// handleKey processes the given key and, optionally, returns a line of text -// that the user has entered. -func (t *Terminal) handleKey(key rune) (line string, ok bool) { - if t.pasteActive && key != keyEnter { - t.addKeyToLine(key) - return - } - - switch key { - case keyBackspace: - if t.pos == 0 { - return - } - t.eraseNPreviousChars(1) - case keyAltLeft: - // move left by a word. - t.pos -= t.countToLeftWord() - t.moveCursorToPos(t.pos) - case keyAltRight: - // move right by a word. - t.pos += t.countToRightWord() - t.moveCursorToPos(t.pos) - case keyLeft: - if t.pos == 0 { - return - } - t.pos-- - t.moveCursorToPos(t.pos) - case keyRight: - if t.pos == len(t.line) { - return - } - t.pos++ - t.moveCursorToPos(t.pos) - case keyHome: - if t.pos == 0 { - return - } - t.pos = 0 - t.moveCursorToPos(t.pos) - case keyEnd: - if t.pos == len(t.line) { - return - } - t.pos = len(t.line) - t.moveCursorToPos(t.pos) - case keyUp: - entry, ok := t.history.NthPreviousEntry(t.historyIndex + 1) - if !ok { - return "", false - } - if t.historyIndex == -1 { - t.historyPending = string(t.line) - } - t.historyIndex++ - runes := []rune(entry) - t.setLine(runes, len(runes)) - case keyDown: - switch t.historyIndex { - case -1: - return - case 0: - runes := []rune(t.historyPending) - t.setLine(runes, len(runes)) - t.historyIndex-- - default: - entry, ok := t.history.NthPreviousEntry(t.historyIndex - 1) - if ok { - t.historyIndex-- - runes := []rune(entry) - t.setLine(runes, len(runes)) - } - } - case keyEnter: - t.moveCursorToPos(len(t.line)) - t.queue([]rune("\r\n")) - line = string(t.line) - ok = true - t.line = t.line[:0] - t.pos = 0 - t.cursorX = 0 - t.cursorY = 0 - t.maxLine = 0 - case keyDeleteWord: - // Delete zero or more spaces and then one or more characters. - t.eraseNPreviousChars(t.countToLeftWord()) - case keyDeleteLine: - // Delete everything from the current cursor position to the - // end of line. - for i := t.pos; i < len(t.line); i++ { - t.queue(space) - t.advanceCursor(1) - } - t.line = t.line[:t.pos] - t.moveCursorToPos(t.pos) - case keyCtrlD: - // Erase the character under the current position. - // The EOF case when the line is empty is handled in - // readLine(). - if t.pos < len(t.line) { - t.pos++ - t.eraseNPreviousChars(1) - } - case keyCtrlU: - t.eraseNPreviousChars(t.pos) - case keyClearScreen: - // Erases the screen and moves the cursor to the home position. - t.queue([]rune("\x1b[2J\x1b[H")) - t.queue(t.prompt) - t.cursorX, t.cursorY = 0, 0 - t.advanceCursor(visualLength(t.prompt)) - t.setLine(t.line, t.pos) - default: - if t.AutoCompleteCallback != nil { - prefix := string(t.line[:t.pos]) - suffix := string(t.line[t.pos:]) - - t.lock.Unlock() - newLine, newPos, completeOk := t.AutoCompleteCallback(prefix+suffix, len(prefix), key) - t.lock.Lock() - - if completeOk { - t.setLine([]rune(newLine), utf8.RuneCount([]byte(newLine)[:newPos])) - return - } - } - if !isPrintable(key) { - return - } - if len(t.line) == maxLineLength { - return - } - t.addKeyToLine(key) - } - return -} - -// addKeyToLine inserts the given key at the current position in the current -// line. -func (t *Terminal) addKeyToLine(key rune) { - if len(t.line) == cap(t.line) { - newLine := make([]rune, len(t.line), 2*(1+len(t.line))) - copy(newLine, t.line) - t.line = newLine - } - t.line = t.line[:len(t.line)+1] - copy(t.line[t.pos+1:], t.line[t.pos:]) - t.line[t.pos] = key - if t.echo { - t.writeLine(t.line[t.pos:]) - } - t.pos++ - t.moveCursorToPos(t.pos) -} - -func (t *Terminal) writeLine(line []rune) { - for len(line) != 0 { - remainingOnLine := t.termWidth - t.cursorX - todo := len(line) - if todo > remainingOnLine { - todo = remainingOnLine - } - t.queue(line[:todo]) - t.advanceCursor(visualLength(line[:todo])) - line = line[todo:] - } -} - -// writeWithCRLF writes buf to w but replaces all occurrences of \n with \r\n. -func writeWithCRLF(w io.Writer, buf []byte) (n int, err error) { - for len(buf) > 0 { - i := bytes.IndexByte(buf, '\n') - todo := len(buf) - if i >= 0 { - todo = i - } - - var nn int - nn, err = w.Write(buf[:todo]) - n += nn - if err != nil { - return n, err - } - buf = buf[todo:] - - if i >= 0 { - if _, err = w.Write(crlf); err != nil { - return n, err - } - n++ - buf = buf[1:] - } - } - - return n, nil -} - -func (t *Terminal) Write(buf []byte) (n int, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - if t.cursorX == 0 && t.cursorY == 0 { - // This is the easy case: there's nothing on the screen that we - // have to move out of the way. - return writeWithCRLF(t.c, buf) - } - - // We have a prompt and possibly user input on the screen. We - // have to clear it first. - t.move(0 /* up */, 0 /* down */, t.cursorX /* left */, 0 /* right */) - t.cursorX = 0 - t.clearLineToRight() - - for t.cursorY > 0 { - t.move(1 /* up */, 0, 0, 0) - t.cursorY-- - t.clearLineToRight() - } - - if _, err = t.c.Write(t.outBuf); err != nil { - return - } - t.outBuf = t.outBuf[:0] - - if n, err = writeWithCRLF(t.c, buf); err != nil { - return - } - - t.writeLine(t.prompt) - if t.echo { - t.writeLine(t.line) - } - - t.moveCursorToPos(t.pos) - - if _, err = t.c.Write(t.outBuf); err != nil { - return - } - t.outBuf = t.outBuf[:0] - return -} - -// ReadPassword temporarily changes the prompt and reads a password, without -// echo, from the terminal. -func (t *Terminal) ReadPassword(prompt string) (line string, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - oldPrompt := t.prompt - t.prompt = []rune(prompt) - t.echo = false - - line, err = t.readLine() - - t.prompt = oldPrompt - t.echo = true - - return -} - -// ReadLine returns a line of input from the terminal. -func (t *Terminal) ReadLine() (line string, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - return t.readLine() -} - -func (t *Terminal) readLine() (line string, err error) { - // t.lock must be held at this point - - if t.cursorX == 0 && t.cursorY == 0 { - t.writeLine(t.prompt) - t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - } - - lineIsPasted := t.pasteActive - - for { - rest := t.remainder - lineOk := false - for !lineOk { - var key rune - key, rest = bytesToKey(rest, t.pasteActive) - if key == utf8.RuneError { - break - } - if !t.pasteActive { - if key == keyCtrlD { - if len(t.line) == 0 { - return "", io.EOF - } - } - if key == keyCtrlC { - return "", io.EOF - } - if key == keyPasteStart { - t.pasteActive = true - if len(t.line) == 0 { - lineIsPasted = true - } - continue - } - } else if key == keyPasteEnd { - t.pasteActive = false - continue - } - if !t.pasteActive { - lineIsPasted = false - } - line, lineOk = t.handleKey(key) - } - if len(rest) > 0 { - n := copy(t.inBuf[:], rest) - t.remainder = t.inBuf[:n] - } else { - t.remainder = nil - } - t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - if lineOk { - if t.echo { - t.historyIndex = -1 - t.history.Add(line) - } - if lineIsPasted { - err = ErrPasteIndicator - } - return - } - - // t.remainder is a slice at the beginning of t.inBuf - // containing a partial key sequence - readBuf := t.inBuf[len(t.remainder):] - var n int - - t.lock.Unlock() - n, err = t.c.Read(readBuf) - t.lock.Lock() - - if err != nil { - return - } - - t.remainder = t.inBuf[:n+len(t.remainder)] - } -} - -// SetPrompt sets the prompt to be used when reading subsequent lines. -func (t *Terminal) SetPrompt(prompt string) { - t.lock.Lock() - defer t.lock.Unlock() - - t.prompt = []rune(prompt) -} - -func (t *Terminal) clearAndRepaintLinePlusNPrevious(numPrevLines int) { - // Move cursor to column zero at the start of the line. - t.move(t.cursorY, 0, t.cursorX, 0) - t.cursorX, t.cursorY = 0, 0 - t.clearLineToRight() - for t.cursorY < numPrevLines { - // Move down a line - t.move(0, 1, 0, 0) - t.cursorY++ - t.clearLineToRight() - } - // Move back to beginning. - t.move(t.cursorY, 0, 0, 0) - t.cursorX, t.cursorY = 0, 0 - - t.queue(t.prompt) - t.advanceCursor(visualLength(t.prompt)) - t.writeLine(t.line) - t.moveCursorToPos(t.pos) -} - -func (t *Terminal) SetSize(width, height int) error { - t.lock.Lock() - defer t.lock.Unlock() - - if width == 0 { - width = 1 - } - - oldWidth := t.termWidth - t.termWidth, t.termHeight = width, height - - switch { - case width == oldWidth: - // If the width didn't change then nothing else needs to be - // done. - return nil - case len(t.line) == 0 && t.cursorX == 0 && t.cursorY == 0: - // If there is nothing on current line and no prompt printed, - // just do nothing - return nil - case width < oldWidth: - // Some terminals (e.g. xterm) will truncate lines that were - // too long when shinking. Others, (e.g. gnome-terminal) will - // attempt to wrap them. For the former, repainting t.maxLine - // works great, but that behaviour goes badly wrong in the case - // of the latter because they have doubled every full line. - - // We assume that we are working on a terminal that wraps lines - // and adjust the cursor position based on every previous line - // wrapping and turning into two. This causes the prompt on - // xterms to move upwards, which isn't great, but it avoids a - // huge mess with gnome-terminal. - if t.cursorX >= t.termWidth { - t.cursorX = t.termWidth - 1 - } - t.cursorY *= 2 - t.clearAndRepaintLinePlusNPrevious(t.maxLine * 2) - case width > oldWidth: - // If the terminal expands then our position calculations will - // be wrong in the future because we think the cursor is - // |t.pos| chars into the string, but there will be a gap at - // the end of any wrapped line. - // - // But the position will actually be correct until we move, so - // we can move back to the beginning and repaint everything. - t.clearAndRepaintLinePlusNPrevious(t.maxLine) - } - - _, err := t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - return err -} - -type pasteIndicatorError struct{} - -func (pasteIndicatorError) Error() string { - return "terminal: ErrPasteIndicator not correctly handled" + return term.NewTerminal(c, prompt) } // ErrPasteIndicator may be returned from ReadLine as the error, in addition // to valid line data. It indicates that bracketed paste mode is enabled and // that the returned line consists only of pasted data. Programs may wish to // interpret pasted data more literally than typed data. -var ErrPasteIndicator = pasteIndicatorError{} +var ErrPasteIndicator = term.ErrPasteIndicator -// SetBracketedPasteMode requests that the terminal bracket paste operations -// with markers. Not all terminals support this but, if it is supported, then -// enabling this mode will stop any autocomplete callback from running due to -// pastes. Additionally, any lines that are completely pasted will be returned -// from ReadLine with the error set to ErrPasteIndicator. -func (t *Terminal) SetBracketedPasteMode(on bool) { - if on { - io.WriteString(t.c, "\x1b[?2004h") - } else { - io.WriteString(t.c, "\x1b[?2004l") - } -} +// State contains the state of a terminal. +type State = term.State -// stRingBuffer is a ring buffer of strings. -type stRingBuffer struct { - // entries contains max elements. - entries []string - max int - // head contains the index of the element most recently added to the ring. - head int - // size contains the number of elements in the ring. - size int +// IsTerminal returns whether the given file descriptor is a terminal. +func IsTerminal(fd int) bool { + return term.IsTerminal(fd) } -func (s *stRingBuffer) Add(a string) { - if s.entries == nil { - const defaultNumEntries = 100 - s.entries = make([]string, defaultNumEntries) - s.max = defaultNumEntries - } +// ReadPassword reads a line of input from a terminal without local echo. This +// is commonly used for inputting passwords and other sensitive data. The slice +// returned does not include the \n. +func ReadPassword(fd int) ([]byte, error) { + return term.ReadPassword(fd) +} - s.head = (s.head + 1) % s.max - s.entries[s.head] = a - if s.size < s.max { - s.size++ - } +// MakeRaw puts the terminal connected to the given file descriptor into raw +// mode and returns the previous state of the terminal so that it can be +// restored. +func MakeRaw(fd int) (*State, error) { + return term.MakeRaw(fd) } -// NthPreviousEntry returns the value passed to the nth previous call to Add. -// If n is zero then the immediately prior value is returned, if one, then the -// next most recent, and so on. If such an element doesn't exist then ok is -// false. -func (s *stRingBuffer) NthPreviousEntry(n int) (value string, ok bool) { - if n >= s.size { - return "", false - } - index := s.head - n - if index < 0 { - index += s.max - } - return s.entries[index], true +// Restore restores the terminal connected to the given file descriptor to a +// previous state. +func Restore(fd int, oldState *State) error { + return term.Restore(fd, oldState) } -// readPasswordLine reads from reader until it finds \n or io.EOF. -// The slice returned does not include the \n. -// readPasswordLine also ignores any \r it finds. -// Windows uses \r as end of line. So, on Windows, readPasswordLine -// reads until it finds \r and ignores any \n it finds during processing. -func readPasswordLine(reader io.Reader) ([]byte, error) { - var buf [1]byte - var ret []byte +// GetState returns the current state of a terminal which may be useful to +// restore the terminal after a signal. +func GetState(fd int) (*State, error) { + return term.GetState(fd) +} - for { - n, err := reader.Read(buf[:]) - if n > 0 { - switch buf[0] { - case '\b': - if len(ret) > 0 { - ret = ret[:len(ret)-1] - } - case '\n': - if runtime.GOOS != "windows" { - return ret, nil - } - // otherwise ignore \n - case '\r': - if runtime.GOOS == "windows" { - return ret, nil - } - // otherwise ignore \r - default: - ret = append(ret, buf[0]) - } - continue - } - if err != nil { - if err == io.EOF && len(ret) > 0 { - return ret, nil - } - return ret, err - } - } +// GetSize returns the dimensions of the given terminal. +func GetSize(fd int) (width, height int, err error) { + return term.GetSize(fd) } diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util.go b/vendor/golang.org/x/crypto/ssh/terminal/util.go deleted file mode 100644 index 39110408..00000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util.go +++ /dev/null @@ -1,114 +0,0 @@ -// Copyright 2011 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 aix darwin dragonfly freebsd linux,!appengine netbsd openbsd - -// Package terminal provides support functions for dealing with terminals, as -// commonly found on UNIX systems. -// -// Putting a terminal into raw mode is the most common requirement: -// -// oldState, err := terminal.MakeRaw(0) -// if err != nil { -// panic(err) -// } -// defer terminal.Restore(0, oldState) -package terminal // import "golang.org/x/crypto/ssh/terminal" - -import ( - "golang.org/x/sys/unix" -) - -// State contains the state of a terminal. -type State struct { - termios unix.Termios -} - -// IsTerminal returns whether the given file descriptor is a terminal. -func IsTerminal(fd int) bool { - _, err := unix.IoctlGetTermios(fd, ioctlReadTermios) - return err == nil -} - -// MakeRaw put the terminal connected to the given file descriptor into raw -// mode and returns the previous state of the terminal so that it can be -// restored. -func MakeRaw(fd int) (*State, error) { - termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) - if err != nil { - return nil, err - } - - oldState := State{termios: *termios} - - // This attempts to replicate the behaviour documented for cfmakeraw in - // the termios(3) manpage. - termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON - termios.Oflag &^= unix.OPOST - termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN - termios.Cflag &^= unix.CSIZE | unix.PARENB - termios.Cflag |= unix.CS8 - termios.Cc[unix.VMIN] = 1 - termios.Cc[unix.VTIME] = 0 - if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, termios); err != nil { - return nil, err - } - - return &oldState, nil -} - -// GetState returns the current state of a terminal which may be useful to -// restore the terminal after a signal. -func GetState(fd int) (*State, error) { - termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) - if err != nil { - return nil, err - } - - return &State{termios: *termios}, nil -} - -// Restore restores the terminal connected to the given file descriptor to a -// previous state. -func Restore(fd int, state *State) error { - return unix.IoctlSetTermios(fd, ioctlWriteTermios, &state.termios) -} - -// GetSize returns the dimensions of the given terminal. -func GetSize(fd int) (width, height int, err error) { - ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) - if err != nil { - return -1, -1, err - } - return int(ws.Col), int(ws.Row), nil -} - -// passwordReader is an io.Reader that reads from a specific file descriptor. -type passwordReader int - -func (r passwordReader) Read(buf []byte) (int, error) { - return unix.Read(int(r), buf) -} - -// ReadPassword reads a line of input from a terminal without local echo. This -// is commonly used for inputting passwords and other sensitive data. The slice -// returned does not include the \n. -func ReadPassword(fd int) ([]byte, error) { - termios, err := unix.IoctlGetTermios(fd, ioctlReadTermios) - if err != nil { - return nil, err - } - - newState := *termios - newState.Lflag &^= unix.ECHO - newState.Lflag |= unix.ICANON | unix.ISIG - newState.Iflag |= unix.ICRNL - if err := unix.IoctlSetTermios(fd, ioctlWriteTermios, &newState); err != nil { - return nil, err - } - - defer unix.IoctlSetTermios(fd, ioctlWriteTermios, termios) - - return readPasswordLine(passwordReader(fd)) -} diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_aix.go b/vendor/golang.org/x/crypto/ssh/terminal/util_aix.go deleted file mode 100644 index dfcd6278..00000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_aix.go +++ /dev/null @@ -1,12 +0,0 @@ -// Copyright 2018 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 aix - -package terminal - -import "golang.org/x/sys/unix" - -const ioctlReadTermios = unix.TCGETS -const ioctlWriteTermios = unix.TCSETS diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_bsd.go b/vendor/golang.org/x/crypto/ssh/terminal/util_bsd.go deleted file mode 100644 index cb23a590..00000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_bsd.go +++ /dev/null @@ -1,12 +0,0 @@ -// Copyright 2013 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 darwin dragonfly freebsd netbsd openbsd - -package terminal - -import "golang.org/x/sys/unix" - -const ioctlReadTermios = unix.TIOCGETA -const ioctlWriteTermios = unix.TIOCSETA diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_linux.go b/vendor/golang.org/x/crypto/ssh/terminal/util_linux.go deleted file mode 100644 index 5fadfe8a..00000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_linux.go +++ /dev/null @@ -1,10 +0,0 @@ -// Copyright 2013 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 terminal - -import "golang.org/x/sys/unix" - -const ioctlReadTermios = unix.TCGETS -const ioctlWriteTermios = unix.TCSETS diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go b/vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go deleted file mode 100644 index 9317ac7e..00000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go +++ /dev/null @@ -1,58 +0,0 @@ -// 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. - -// Package terminal provides support functions for dealing with terminals, as -// commonly found on UNIX systems. -// -// Putting a terminal into raw mode is the most common requirement: -// -// oldState, err := terminal.MakeRaw(0) -// if err != nil { -// panic(err) -// } -// defer terminal.Restore(0, oldState) -package terminal - -import ( - "fmt" - "runtime" -) - -type State struct{} - -// IsTerminal returns whether the given file descriptor is a terminal. -func IsTerminal(fd int) bool { - return false -} - -// MakeRaw put the terminal connected to the given file descriptor into raw -// mode and returns the previous state of the terminal so that it can be -// restored. -func MakeRaw(fd int) (*State, error) { - return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -// GetState returns the current state of a terminal which may be useful to -// restore the terminal after a signal. -func GetState(fd int) (*State, error) { - return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -// Restore restores the terminal connected to the given file descriptor to a -// previous state. -func Restore(fd int, state *State) error { - return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -// GetSize returns the dimensions of the given terminal. -func GetSize(fd int) (width, height int, err error) { - return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -// ReadPassword reads a line of input from a terminal without local echo. This -// is commonly used for inputting passwords and other sensitive data. The slice -// returned does not include the \n. -func ReadPassword(fd int) ([]byte, error) { - return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go b/vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go deleted file mode 100644 index 3d5f06a9..00000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go +++ /dev/null @@ -1,124 +0,0 @@ -// 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 solaris - -package terminal // import "golang.org/x/crypto/ssh/terminal" - -import ( - "golang.org/x/sys/unix" - "io" - "syscall" -) - -// State contains the state of a terminal. -type State struct { - termios unix.Termios -} - -// IsTerminal returns whether the given file descriptor is a terminal. -func IsTerminal(fd int) bool { - _, err := unix.IoctlGetTermio(fd, unix.TCGETA) - return err == nil -} - -// ReadPassword reads a line of input from a terminal without local echo. This -// is commonly used for inputting passwords and other sensitive data. The slice -// returned does not include the \n. -func ReadPassword(fd int) ([]byte, error) { - // see also: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libast/common/uwin/getpass.c - val, err := unix.IoctlGetTermios(fd, unix.TCGETS) - if err != nil { - return nil, err - } - oldState := *val - - newState := oldState - newState.Lflag &^= syscall.ECHO - newState.Lflag |= syscall.ICANON | syscall.ISIG - newState.Iflag |= syscall.ICRNL - err = unix.IoctlSetTermios(fd, unix.TCSETS, &newState) - if err != nil { - return nil, err - } - - defer unix.IoctlSetTermios(fd, unix.TCSETS, &oldState) - - var buf [16]byte - var ret []byte - for { - n, err := syscall.Read(fd, buf[:]) - if err != nil { - return nil, err - } - if n == 0 { - if len(ret) == 0 { - return nil, io.EOF - } - break - } - if buf[n-1] == '\n' { - n-- - } - ret = append(ret, buf[:n]...) - if n < len(buf) { - break - } - } - - return ret, nil -} - -// MakeRaw puts the terminal connected to the given file descriptor into raw -// mode and returns the previous state of the terminal so that it can be -// restored. -// see http://cr.illumos.org/~webrev/andy_js/1060/ -func MakeRaw(fd int) (*State, error) { - termios, err := unix.IoctlGetTermios(fd, unix.TCGETS) - if err != nil { - return nil, err - } - - oldState := State{termios: *termios} - - termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON - termios.Oflag &^= unix.OPOST - termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN - termios.Cflag &^= unix.CSIZE | unix.PARENB - termios.Cflag |= unix.CS8 - termios.Cc[unix.VMIN] = 1 - termios.Cc[unix.VTIME] = 0 - - if err := unix.IoctlSetTermios(fd, unix.TCSETS, termios); err != nil { - return nil, err - } - - return &oldState, nil -} - -// Restore restores the terminal connected to the given file descriptor to a -// previous state. -func Restore(fd int, oldState *State) error { - return unix.IoctlSetTermios(fd, unix.TCSETS, &oldState.termios) -} - -// GetState returns the current state of a terminal which may be useful to -// restore the terminal after a signal. -func GetState(fd int) (*State, error) { - termios, err := unix.IoctlGetTermios(fd, unix.TCGETS) - if err != nil { - return nil, err - } - - return &State{termios: *termios}, nil -} - -// GetSize returns the dimensions of the given terminal. -func GetSize(fd int) (width, height int, err error) { - ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) - if err != nil { - return 0, 0, err - } - return int(ws.Col), int(ws.Row), nil -} diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go b/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go deleted file mode 100644 index f614e9cb..00000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go +++ /dev/null @@ -1,105 +0,0 @@ -// Copyright 2011 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 windows - -// Package terminal provides support functions for dealing with terminals, as -// commonly found on UNIX systems. -// -// Putting a terminal into raw mode is the most common requirement: -// -// oldState, err := terminal.MakeRaw(0) -// if err != nil { -// panic(err) -// } -// defer terminal.Restore(0, oldState) -package terminal - -import ( - "os" - - "golang.org/x/sys/windows" -) - -type State struct { - mode uint32 -} - -// IsTerminal returns whether the given file descriptor is a terminal. -func IsTerminal(fd int) bool { - var st uint32 - err := windows.GetConsoleMode(windows.Handle(fd), &st) - return err == nil -} - -// MakeRaw put the terminal connected to the given file descriptor into raw -// mode and returns the previous state of the terminal so that it can be -// restored. -func MakeRaw(fd int) (*State, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - raw := st &^ (windows.ENABLE_ECHO_INPUT | windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT) - if err := windows.SetConsoleMode(windows.Handle(fd), raw); err != nil { - return nil, err - } - return &State{st}, nil -} - -// GetState returns the current state of a terminal which may be useful to -// restore the terminal after a signal. -func GetState(fd int) (*State, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - return &State{st}, nil -} - -// Restore restores the terminal connected to the given file descriptor to a -// previous state. -func Restore(fd int, state *State) error { - return windows.SetConsoleMode(windows.Handle(fd), state.mode) -} - -// GetSize returns the visible dimensions of the given terminal. -// -// These dimensions don't include any scrollback buffer height. -func GetSize(fd int) (width, height int, err error) { - var info windows.ConsoleScreenBufferInfo - if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil { - return 0, 0, err - } - return int(info.Window.Right - info.Window.Left + 1), int(info.Window.Bottom - info.Window.Top + 1), nil -} - -// ReadPassword reads a line of input from a terminal without local echo. This -// is commonly used for inputting passwords and other sensitive data. The slice -// returned does not include the \n. -func ReadPassword(fd int) ([]byte, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - old := st - - st &^= (windows.ENABLE_ECHO_INPUT | windows.ENABLE_LINE_INPUT) - st |= (windows.ENABLE_PROCESSED_OUTPUT | windows.ENABLE_PROCESSED_INPUT) - if err := windows.SetConsoleMode(windows.Handle(fd), st); err != nil { - return nil, err - } - - defer windows.SetConsoleMode(windows.Handle(fd), old) - - var h windows.Handle - p, _ := windows.GetCurrentProcess() - if err := windows.DuplicateHandle(p, windows.Handle(fd), p, &h, 0, false, windows.DUPLICATE_SAME_ACCESS); err != nil { - return nil, err - } - - f := os.NewFile(uintptr(h), "stdin") - defer f.Close() - return readPasswordLine(f) -} -- cgit v1.2.3