vendor: github.com/creack/pty v1.1.18

full diff: https://github.com/creack/pty/compare/v1.1.11...v1.1.18

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor.mod

@@ -8,7 +8,7 @@ go 1.18
 
 require (
 	github.com/containerd/containerd v1.6.20
-	github.com/creack/pty v1.1.11
+	github.com/creack/pty v1.1.18
 	github.com/docker/distribution v2.8.1+incompatible
 	github.com/docker/docker v24.0.0-beta.2+incompatible
 	github.com/docker/docker-credential-helpers v0.7.0

vendor.sum

@@ -87,8 +87,8 @@ github.com/containerd/containerd v1.6.20/go.mod h1:apei1/i5Ux2FzrK6+DM/suEsGuK/M
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw=
-github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
+github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

vendor/github.com/creack/pty/Dockerfile.golang

@@ -0,0 +1,17 @@
+ARG GOVERSION=1.14
+FROM golang:${GOVERSION}
+
+# Set base env.
+ARG GOOS=linux
+ARG GOARCH=amd64
+ENV GOOS=${GOOS} GOARCH=${GOARCH} CGO_ENABLED=0 GOFLAGS='-v -ldflags=-s -ldflags=-w'
+
+# Pre compile the stdlib for 386/arm (32bits).
+RUN go build -a std
+
+# Add the code to the image.
+WORKDIR pty
+ADD . .
+
+# Build the lib.
+RUN go build

vendor/github.com/creack/pty/Dockerfile.riscv

@@ -1,3 +1,4 @@
+# NOTE: Using 1.13 as a base to build the RISCV compiler, the resulting version is based on go1.6.
 FROM golang:1.13
 
 # Clone and complie a riscv compatible version of the go compiler.
@@ -8,7 +9,15 @@ ENV PATH=/riscv-go/misc/riscv:/riscv-go/bin:$PATH
 RUN cd /riscv-go/src && GOROOT_BOOTSTRAP=$(go env GOROOT) ./make.bash
 ENV GOROOT=/riscv-go
 
-# Make sure we compile.
+# Set the base env.
+ENV GOOS=linux GOARCH=riscv CGO_ENABLED=0 GOFLAGS='-v -ldflags=-s -ldflags=-w'
+
+# Pre compile the stdlib.
+RUN go build -a std
+
+# Add the code to the image.
 WORKDIR pty
 ADD . .
-RUN GOOS=linux GOARCH=riscv go build
+
+# Build the lib.
+RUN go build

vendor/github.com/creack/pty/README.md

@@ -4,9 +4,13 @@ Pty is a Go package for using unix pseudo-terminals.
 
 ## Install
 
-    go get github.com/creack/pty
+```sh
+go get github.com/creack/pty
+```
 
-## Example
+## Examples
+
+Note that those examples are for demonstration purpose only, to showcase how to use the library. They are not meant to be used in any kind of production environment.
 
 ### Command
 
@@ -14,10 +18,11 @@ Pty is a Go package for using unix pseudo-terminals.
 package main
 
 import (
-	"github.com/creack/pty"
 	"io"
 	"os"
 	"os/exec"
+
+	"github.com/creack/pty"
 )
 
 func main() {
@@ -51,7 +56,7 @@ import (
         "syscall"
 
         "github.com/creack/pty"
-        "golang.org/x/crypto/ssh/terminal"
+        "golang.org/x/term"
 )
 
 func test() error {
@@ -77,15 +82,17 @@ func test() error {
                 }
         }()
         ch <- syscall.SIGWINCH // Initial resize.
+        defer func() { signal.Stop(ch); close(ch) }() // Cleanup signals when done.
 
         // Set stdin in raw mode.
-        oldState, err := terminal.MakeRaw(int(os.Stdin.Fd()))
+        oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
         if err != nil {
                 panic(err)
         }
-        defer func() { _ = terminal.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort.
+        defer func() { _ = term.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort.
 
         // Copy stdin to the pty and the pty to stdout.
+        // NOTE: The goroutine will keep reading until the next keystroke before returning.
         go func() { _, _ = io.Copy(ptmx, os.Stdin) }()
         _, _ = io.Copy(os.Stdout, ptmx)
 

vendor/github.com/creack/pty/asm_solaris_amd64.s

@@ -0,0 +1,18 @@
+// 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.
+
+//go:build gc
+//+build gc
+
+#include "textflag.h"
+
+//
+// System calls for amd64, Solaris are implemented in runtime/syscall_solaris.go
+//
+
+TEXT ·sysvicall6(SB),NOSPLIT,$0-88
+	JMP	syscall·sysvicall6(SB)
+
+TEXT ·rawSysvicall6(SB),NOSPLIT,$0-88
+	JMP	syscall·rawSysvicall6(SB)

vendor/github.com/creack/pty/doc.go

@@ -10,7 +10,7 @@ import (
 // available on the current platform.
 var ErrUnsupported = errors.New("unsupported")
 
-// Opens a pty and its corresponding tty.
+// Open a pty and its corresponding tty.
 func Open() (pty, tty *os.File, err error) {
 	return open()
 }

vendor/github.com/creack/pty/ioctl.go

@@ -1,9 +1,15 @@
-// +build !windows,!solaris
+//go:build !windows && !solaris && !aix
+// +build !windows,!solaris,!aix
 
 package pty
 
 import "syscall"
 
+const (
+	TIOCGWINSZ = syscall.TIOCGWINSZ
+	TIOCSWINSZ = syscall.TIOCSWINSZ
+)
+
 func ioctl(fd, cmd, ptr uintptr) error {
 	_, _, e := syscall.Syscall(syscall.SYS_IOCTL, fd, cmd, ptr)
 	if e != 0 {

vendor/github.com/creack/pty/ioctl_bsd.go

@@ -1,3 +1,4 @@
+//go:build darwin || dragonfly || freebsd || netbsd || openbsd
 // +build darwin dragonfly freebsd netbsd openbsd
 
 package pty

vendor/github.com/creack/pty/ioctl_solaris.go

@@ -1,30 +1,48 @@
+//go:build solaris
+// +build solaris
+
 package pty
 
 import (
-	"golang.org/x/sys/unix"
+	"syscall"
 	"unsafe"
 )
 
+//go:cgo_import_dynamic libc_ioctl ioctl "libc.so"
+//go:linkname procioctl libc_ioctl
+var procioctl uintptr
+
 const (
 	// see /usr/include/sys/stropts.h
-	I_PUSH  = uintptr((int32('S')<<8 | 002))
-	I_STR   = uintptr((int32('S')<<8 | 010))
-	I_FIND  = uintptr((int32('S')<<8 | 013))
+	I_PUSH = uintptr((int32('S')<<8 | 002))
+	I_STR  = uintptr((int32('S')<<8 | 010))
+	I_FIND = uintptr((int32('S')<<8 | 013))
+
 	// see /usr/include/sys/ptms.h
 	ISPTM   = (int32('P') << 8) | 1
 	UNLKPT  = (int32('P') << 8) | 2
 	PTSSTTY = (int32('P') << 8) | 3
 	ZONEPT  = (int32('P') << 8) | 4
 	OWNERPT = (int32('P') << 8) | 5
+
+	// see /usr/include/sys/termios.h
+	TIOCSWINSZ = (uint32('T') << 8) | 103
+	TIOCGWINSZ = (uint32('T') << 8) | 104
 )
 
 type strioctl struct {
-	ic_cmd    int32
-	ic_timout int32
-	ic_len    int32
-	ic_dp     unsafe.Pointer
+	icCmd     int32
+	icTimeout int32
+	icLen     int32
+	icDP      unsafe.Pointer
 }
 
+// Defined in asm_solaris_amd64.s.
+func sysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
 func ioctl(fd, cmd, ptr uintptr) error {
-	return unix.IoctlSetInt(int(fd), uint(cmd), int(ptr))
+	if _, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procioctl)), 3, fd, cmd, ptr, 0, 0, 0); errno != 0 {
+		return errno
+	}
+	return nil
 }

vendor/github.com/creack/pty/ioctl_unsupported.go

@@ -0,0 +1,13 @@
+//go:build aix
+// +build aix
+
+package pty
+
+const (
+	TIOCGWINSZ = 0
+	TIOCSWINSZ = 0
+)
+
+func ioctl(fd, cmd, ptr uintptr) error {
+	return ErrUnsupported
+}

vendor/github.com/creack/pty/mktypes.bash

@@ -13,7 +13,7 @@ GODEFS="go tool cgo -godefs"
 $GODEFS types.go |gofmt > ztypes_$GOARCH.go
 
 case $GOOS in
-freebsd|dragonfly|openbsd)
+freebsd|dragonfly|netbsd|openbsd)
 	$GODEFS types_$GOOS.go |gofmt > ztypes_$GOOSARCH.go
 	;;
 esac

vendor/github.com/creack/pty/pty_darwin.go

@@ -1,3 +1,6 @@
+//go:build darwin
+// +build darwin
+
 package pty
 
 import (
@@ -33,7 +36,7 @@ func open() (pty, tty *os.File, err error) {
 		return nil, nil, err
 	}
 
-	t, err := os.OpenFile(sname, os.O_RDWR, 0)
+	t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0)
 	if err != nil {
 		return nil, nil, err
 	}

vendor/github.com/creack/pty/pty_dragonfly.go

@@ -1,3 +1,6 @@
+//go:build dragonfly
+// +build dragonfly
+
 package pty
 
 import (

vendor/github.com/creack/pty/pty_freebsd.go

@@ -1,3 +1,6 @@
+//go:build freebsd
+// +build freebsd
+
 package pty
 
 import (

vendor/github.com/creack/pty/pty_linux.go

@@ -1,3 +1,6 @@
+//go:build linux
+// +build linux
+
 package pty
 
 import (
@@ -28,7 +31,7 @@ func open() (pty, tty *os.File, err error) {
 		return nil, nil, err
 	}
 
-	t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0)
+	t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0) //nolint:gosec // Expected Open from a variable.
 	if err != nil {
 		return nil, nil, err
 	}
@@ -37,7 +40,7 @@ func open() (pty, tty *os.File, err error) {
 
 func ptsname(f *os.File) (string, error) {
 	var n _C_uint
-	err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n)))
+	err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n))) //nolint:gosec // Expected unsafe pointer for Syscall call.
 	if err != nil {
 		return "", err
 	}
@@ -47,5 +50,5 @@ func ptsname(f *os.File) (string, error) {
 func unlockpt(f *os.File) error {
 	var u _C_int
 	// use TIOCSPTLCK with a pointer to zero to clear the lock
-	return ioctl(f.Fd(), syscall.TIOCSPTLCK, uintptr(unsafe.Pointer(&u)))
+	return ioctl(f.Fd(), syscall.TIOCSPTLCK, uintptr(unsafe.Pointer(&u))) //nolint:gosec // Expected unsafe pointer for Syscall call.
 }

vendor/github.com/creack/pty/pty_netbsd.go

@@ -0,0 +1,69 @@
+//go:build netbsd
+// +build netbsd
+
+package pty
+
+import (
+	"errors"
+	"os"
+	"syscall"
+	"unsafe"
+)
+
+func open() (pty, tty *os.File, err error) {
+	p, err := os.OpenFile("/dev/ptmx", os.O_RDWR, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	// In case of error after this point, make sure we close the ptmx fd.
+	defer func() {
+		if err != nil {
+			_ = p.Close() // Best effort.
+		}
+	}()
+
+	sname, err := ptsname(p)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if err := grantpt(p); err != nil {
+		return nil, nil, err
+	}
+
+	// In NetBSD unlockpt() does nothing, so it isn't called here.
+
+	t, err := os.OpenFile(sname, os.O_RDWR|syscall.O_NOCTTY, 0)
+	if err != nil {
+		return nil, nil, err
+	}
+	return p, t, nil
+}
+
+func ptsname(f *os.File) (string, error) {
+	/*
+	 * from ptsname(3): The ptsname() function is equivalent to:
+	 * struct ptmget pm;
+	 * ioctl(fd, TIOCPTSNAME, &pm) == -1 ? NULL : pm.sn;
+	 */
+	var ptm ptmget
+	if err := ioctl(f.Fd(), uintptr(ioctl_TIOCPTSNAME), uintptr(unsafe.Pointer(&ptm))); err != nil {
+		return "", err
+	}
+	name := make([]byte, len(ptm.Sn))
+	for i, c := range ptm.Sn {
+		name[i] = byte(c)
+		if c == 0 {
+			return string(name[:i]), nil
+		}
+	}
+	return "", errors.New("TIOCPTSNAME string not NUL-terminated")
+}
+
+func grantpt(f *os.File) error {
+	/*
+	 * from grantpt(3): Calling grantpt() is equivalent to:
+	 * ioctl(fd, TIOCGRANTPT, 0);
+	 */
+	return ioctl(f.Fd(), uintptr(ioctl_TIOCGRANTPT), 0)
+}

vendor/github.com/creack/pty/pty_openbsd.go

@@ -1,3 +1,6 @@
+//go:build openbsd
+// +build openbsd
+
 package pty
 
 import (

vendor/github.com/creack/pty/pty_solaris.go

@@ -1,3 +1,6 @@
+//go:build solaris
+// +build solaris
+
 package pty
 
 /* based on:
@@ -6,48 +9,54 @@ http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libc/port/gen/pt.c
 
 import (
 	"errors"
-	"golang.org/x/sys/unix"
 	"os"
 	"strconv"
 	"syscall"
 	"unsafe"
 )
 
-const NODEV = ^uint64(0)
-
 func open() (pty, tty *os.File, err error) {
-	masterfd, err := syscall.Open("/dev/ptmx", syscall.O_RDWR|unix.O_NOCTTY, 0)
-	//masterfd, err := syscall.Open("/dev/ptmx", syscall.O_RDWR|syscall.O_CLOEXEC|unix.O_NOCTTY, 0)
+	ptmxfd, err := syscall.Open("/dev/ptmx", syscall.O_RDWR|syscall.O_NOCTTY, 0)
 	if err != nil {
 		return nil, nil, err
 	}
-	p := os.NewFile(uintptr(masterfd), "/dev/ptmx")
+	p := os.NewFile(uintptr(ptmxfd), "/dev/ptmx")
+	// In case of error after this point, make sure we close the ptmx fd.
+	defer func() {
+		if err != nil {
+			_ = p.Close() // Best effort.
+		}
+	}()
 
 	sname, err := ptsname(p)
 	if err != nil {
 		return nil, nil, err
 	}
 
-	err = grantpt(p)
-	if err != nil {
+	if err := grantpt(p); err != nil {
 		return nil, nil, err
 	}
 
-	err = unlockpt(p)
-	if err != nil {
+	if err := unlockpt(p); err != nil {
 		return nil, nil, err
 	}
 
-	slavefd, err := syscall.Open(sname, os.O_RDWR|unix.O_NOCTTY, 0)
+	ptsfd, err := syscall.Open(sname, os.O_RDWR|syscall.O_NOCTTY, 0)
 	if err != nil {
 		return nil, nil, err
 	}
-	t := os.NewFile(uintptr(slavefd), sname)
+	t := os.NewFile(uintptr(ptsfd), sname)
+
+	// In case of error after this point, make sure we close the pts fd.
+	defer func() {
+		if err != nil {
+			_ = t.Close() // Best effort.
+		}
+	}()
 
 	// pushing terminal driver STREAMS modules as per pts(7)
-	for _, mod := range([]string{"ptem", "ldterm", "ttcompat"}) {
-		err = streams_push(t, mod)
-		if err != nil {
+	for _, mod := range []string{"ptem", "ldterm", "ttcompat"} {
+		if err := streamsPush(t, mod); err != nil {
 			return nil, nil, err
 		}
 	}
@@ -55,73 +64,79 @@ func open() (pty, tty *os.File, err error) {
 	return p, t, nil
 }
 
-func minor(x uint64) uint64 {
-	return x & 0377
-}
-
-func ptsdev(fd uintptr) uint64 {
-	istr := strioctl{ISPTM, 0, 0, nil}
-	err := ioctl(fd, I_STR, uintptr(unsafe.Pointer(&istr)))
-	if err != nil {
-		return NODEV
-	}
-	var status unix.Stat_t
-	err = unix.Fstat(int(fd), &status)
-	if err != nil {
-		return NODEV
-	}
-	return uint64(minor(status.Rdev))
-}
-
 func ptsname(f *os.File) (string, error) {
-	dev := ptsdev(f.Fd())
-	if dev == NODEV {
-		return "", errors.New("not a master pty")
+	dev, err := ptsdev(f.Fd())
+	if err != nil {
+		return "", err
 	}
 	fn := "/dev/pts/" + strconv.FormatInt(int64(dev), 10)
-	// access(2) creates the slave device (if the pty exists)
-	// F_OK == 0 (unistd.h)
-	err := unix.Access(fn, 0)
-	if err != nil {
+
+	if err := syscall.Access(fn, 0); err != nil {
 		return "", err
 	}
 	return fn, nil
 }
 
-type pt_own struct {
-	pto_ruid int32
-	pto_rgid int32
+func unlockpt(f *os.File) error {
+	istr := strioctl{
+		icCmd:     UNLKPT,
+		icTimeout: 0,
+		icLen:     0,
+		icDP:      nil,
+	}
+	return ioctl(f.Fd(), I_STR, uintptr(unsafe.Pointer(&istr)))
+}
+
+func minor(x uint64) uint64 { return x & 0377 }
+
+func ptsdev(fd uintptr) (uint64, error) {
+	istr := strioctl{
+		icCmd:     ISPTM,
+		icTimeout: 0,
+		icLen:     0,
+		icDP:      nil,
+	}
+
+	if err := ioctl(fd, I_STR, uintptr(unsafe.Pointer(&istr))); err != nil {
+		return 0, err
+	}
+	var status syscall.Stat_t
+	if err := syscall.Fstat(int(fd), &status); err != nil {
+		return 0, err
+	}
+	return uint64(minor(status.Rdev)), nil
+}
+
+type ptOwn struct {
+	rUID int32
+	rGID int32
 }
 
 func grantpt(f *os.File) error {
-	if ptsdev(f.Fd()) == NODEV {
-		return errors.New("not a master pty")
+	if _, err := ptsdev(f.Fd()); err != nil {
+		return err
 	}
-	var pto pt_own
-	pto.pto_ruid = int32(os.Getuid())
-	// XXX should first attempt to get gid of DEFAULT_TTY_GROUP="tty"
-	pto.pto_rgid = int32(os.Getgid())
-	var istr strioctl
-	istr.ic_cmd = OWNERPT
-	istr.ic_timout = 0
-	istr.ic_len = int32(unsafe.Sizeof(istr))
-	istr.ic_dp = unsafe.Pointer(&pto)
-	err := ioctl(f.Fd(), I_STR, uintptr(unsafe.Pointer(&istr)))
-	if err != nil {
+	pto := ptOwn{
+		rUID: int32(os.Getuid()),
+		// XXX should first attempt to get gid of DEFAULT_TTY_GROUP="tty"
+		rGID: int32(os.Getgid()),
+	}
+	istr := strioctl{
+		icCmd:     OWNERPT,
+		icTimeout: 0,
+		icLen:     int32(unsafe.Sizeof(strioctl{})),
+		icDP:      unsafe.Pointer(&pto),
+	}
+	if err := ioctl(f.Fd(), I_STR, uintptr(unsafe.Pointer(&istr))); err != nil {
 		return errors.New("access denied")
 	}
 	return nil
 }
 
-func unlockpt(f *os.File) error {
-	istr := strioctl{UNLKPT, 0, 0, nil}
-	return ioctl(f.Fd(), I_STR, uintptr(unsafe.Pointer(&istr)))
-}
-
-// push STREAMS modules if not already done so
-func streams_push(f *os.File, mod string) error {
-	var err error
+// streamsPush pushes STREAMS modules if not already done so.
+func streamsPush(f *os.File, mod string) error {
 	buf := []byte(mod)
+
 	// XXX I_FIND is not returning an error when the module
 	// is already pushed even though truss reports a return
 	// value of 1. A bug in the Go Solaris syscall interface?
@@ -130,10 +145,8 @@ func streams_push(f *os.File, mod string) error {
 	// but since we are not using libc or XPG4.2, we should not be
 	// double-pushing modules
 
-	err = ioctl(f.Fd(), I_FIND, uintptr(unsafe.Pointer(&buf[0])))
-	if err != nil {
+	if err := ioctl(f.Fd(), I_FIND, uintptr(unsafe.Pointer(&buf[0]))); err != nil {
 		return nil
 	}
-	err = ioctl(f.Fd(), I_PUSH, uintptr(unsafe.Pointer(&buf[0])))
-	return err
+	return ioctl(f.Fd(), I_PUSH, uintptr(unsafe.Pointer(&buf[0])))
 }

vendor/github.com/creack/pty/pty_unsupported.go

@@ -1,4 +1,5 @@
-// +build !linux,!darwin,!freebsd,!dragonfly,!openbsd,!solaris
+//go:build !linux && !darwin && !freebsd && !dragonfly && !netbsd && !openbsd && !solaris
+// +build !linux,!darwin,!freebsd,!dragonfly,!netbsd,!openbsd,!solaris
 
 package pty
 

vendor/github.com/creack/pty/run.go

@@ -1,5 +1,3 @@
-// +build !windows
-
 package pty
 
 import (
@@ -13,23 +11,8 @@ import (
 // corresponding pty.
 //
 // Starts the process in a new session and sets the controlling terminal.
-func Start(c *exec.Cmd) (pty *os.File, err error) {
-	return StartWithSize(c, nil)
-}
-
-// StartWithSize assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
-// and c.Stderr, calls c.Start, and returns the File of the tty's
-// corresponding pty.
-//
-// This will resize the pty to the specified size before starting the command.
-// Starts the process in a new session and sets the controlling terminal.
-func StartWithSize(c *exec.Cmd, sz *Winsize) (pty *os.File, err error) {
-	if c.SysProcAttr == nil {
-		c.SysProcAttr = &syscall.SysProcAttr{}
-	}
-	c.SysProcAttr.Setsid = true
-	c.SysProcAttr.Setctty = true
-	return StartWithAttrs(c, sz, c.SysProcAttr)
+func Start(cmd *exec.Cmd) (*os.File, error) {
+	return StartWithSize(cmd, nil)
 }
 
 // StartWithAttrs assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
@@ -41,16 +24,16 @@ func StartWithSize(c *exec.Cmd, sz *Winsize) (pty *os.File, err error) {
 //
 // This should generally not be needed. Used in some edge cases where it is needed to create a pty
 // without a controlling terminal.
-func StartWithAttrs(c *exec.Cmd, sz *Winsize, attrs *syscall.SysProcAttr) (pty *os.File, err error) {
+func StartWithAttrs(c *exec.Cmd, sz *Winsize, attrs *syscall.SysProcAttr) (*os.File, error) {
 	pty, tty, err := Open()
 	if err != nil {
 		return nil, err
 	}
-	defer tty.Close()
+	defer func() { _ = tty.Close() }() // Best effort.
 
 	if sz != nil {
 		if err := Setsize(pty, sz); err != nil {
-			pty.Close()
+			_ = pty.Close() // Best effort.
 			return nil, err
 		}
 	}
@@ -67,7 +50,7 @@ func StartWithAttrs(c *exec.Cmd, sz *Winsize, attrs *syscall.SysProcAttr) (pty *
 	c.SysProcAttr = attrs
 
 	if err := c.Start(); err != nil {
-		_ = pty.Close()
+		_ = pty.Close() // Best effort.
 		return nil, err
 	}
 	return pty, err

vendor/github.com/creack/pty/start.go

@@ -0,0 +1,25 @@
+//go:build !windows
+// +build !windows
+
+package pty
+
+import (
+	"os"
+	"os/exec"
+	"syscall"
+)
+
+// StartWithSize assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
+// and c.Stderr, calls c.Start, and returns the File of the tty's
+// corresponding pty.
+//
+// This will resize the pty to the specified size before starting the command.
+// Starts the process in a new session and sets the controlling terminal.
+func StartWithSize(cmd *exec.Cmd, ws *Winsize) (*os.File, error) {
+	if cmd.SysProcAttr == nil {
+		cmd.SysProcAttr = &syscall.SysProcAttr{}
+	}
+	cmd.SysProcAttr.Setsid = true
+	cmd.SysProcAttr.Setctty = true
+	return StartWithAttrs(cmd, ws, cmd.SysProcAttr)
+}

vendor/github.com/creack/pty/start_windows.go

@@ -0,0 +1,19 @@
+//go:build windows
+// +build windows
+
+package pty
+
+import (
+	"os"
+	"os/exec"
+)
+
+// StartWithSize assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
+// and c.Stderr, calls c.Start, and returns the File of the tty's
+// corresponding pty.
+//
+// This will resize the pty to the specified size before starting the command.
+// Starts the process in a new session and sets the controlling terminal.
+func StartWithSize(cmd *exec.Cmd, ws *Winsize) (*os.File, error) {
+	return nil, ErrUnsupported
+}

vendor/github.com/creack/pty/test_crosscompile.sh

@@ -4,31 +4,31 @@
 # Does not actually test the logic, just the compilation so we make sure we don't break code depending on the lib.
 
 echo2() {
-    echo $@ >&2
+  echo $@ >&2
 }
 
 trap end 0
 end() {
-    [ "$?" = 0 ] && echo2 "Pass." || (echo2 "Fail."; exit 1)
+  [ "$?" = 0 ] && echo2 "Pass." || (echo2 "Fail."; exit 1)
 }
 
 cross() {
-    os=$1
-    shift
-    echo2 "Build for $os."
-    for arch in $@; do
-	echo2 "  - $os/$arch"
-	GOOS=$os GOARCH=$arch go build
-    done
-    echo2
+  os=$1
+  shift
+  echo2 "Build for $os."
+  for arch in $@; do
+    echo2 "  - $os/$arch"
+    GOOS=$os GOARCH=$arch go build
+  done
+  echo2
 }
 
 set -e
 
 cross linux     amd64 386 arm arm64 ppc64 ppc64le s390x mips mipsle mips64 mips64le
-cross darwin    amd64 386 arm arm64
-cross freebsd   amd64 386 arm
-cross netbsd    amd64 386 arm
+cross darwin    amd64 arm64
+cross freebsd   amd64 386 arm arm64
+cross netbsd    amd64 386 arm arm64
 cross openbsd   amd64 386 arm arm64
 cross dragonfly amd64
 cross solaris   amd64
@@ -41,10 +41,24 @@ cross windows amd64 386 arm
 
 # Some os/arch require a different compiler. Run in docker.
 if ! hash docker; then
-    # If docker is not present, stop here.
-    return
+  # If docker is not present, stop here.
+  return
 fi
 
 echo2 "Build for linux."
 echo2 "  - linux/riscv"
-docker build -t test -f Dockerfile.riscv .
+docker build -t creack-pty-test -f Dockerfile.riscv .
+
+# Golang dropped support for darwin 32bits since go1.15. Make sure the lib still compile with go1.14 on those archs.
+echo2 "Build for darwin (32bits)."
+echo2 "  - darwin/386"
+docker build -t creack-pty-test -f Dockerfile.golang --build-arg=GOVERSION=1.14 --build-arg=GOOS=darwin --build-arg=GOARCH=386 .
+echo2 "  - darwin/arm"
+docker build -t creack-pty-test -f Dockerfile.golang --build-arg=GOVERSION=1.14 --build-arg=GOOS=darwin --build-arg=GOARCH=arm .
+
+# Run a single test for an old go version. Would be best with go1.0, but not available on Dockerhub.
+# Using 1.6 as it is the base version for the RISCV compiler.
+# Would also be better to run all the tests, not just one, need to refactor this file to allow for specifc archs per version.
+echo2 "Build for linux - go1.6."
+echo2 "  - linux/amd64"
+docker build -t creack-pty-test -f Dockerfile.golang --build-arg=GOVERSION=1.6 --build-arg=GOOS=linux --build-arg=GOARCH=amd64 .

vendor/github.com/creack/pty/util.go

@@ -1,64 +0,0 @@
-// +build !windows,!solaris
-
-package pty
-
-import (
-	"os"
-	"syscall"
-	"unsafe"
-)
-
-// InheritSize applies the terminal size of pty to tty. This should be run
-// in a signal handler for syscall.SIGWINCH to automatically resize the tty when
-// the pty receives a window size change notification.
-func InheritSize(pty, tty *os.File) error {
-	size, err := GetsizeFull(pty)
-	if err != nil {
-		return err
-	}
-	err = Setsize(tty, size)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-// Setsize resizes t to s.
-func Setsize(t *os.File, ws *Winsize) error {
-	return windowRectCall(ws, t.Fd(), syscall.TIOCSWINSZ)
-}
-
-// GetsizeFull returns the full terminal size description.
-func GetsizeFull(t *os.File) (size *Winsize, err error) {
-	var ws Winsize
-	err = windowRectCall(&ws, t.Fd(), syscall.TIOCGWINSZ)
-	return &ws, err
-}
-
-// Getsize returns the number of rows (lines) and cols (positions
-// in each line) in terminal t.
-func Getsize(t *os.File) (rows, cols int, err error) {
-	ws, err := GetsizeFull(t)
-	return int(ws.Rows), int(ws.Cols), err
-}
-
-// Winsize describes the terminal size.
-type Winsize struct {
-	Rows uint16 // ws_row: Number of rows (in cells)
-	Cols uint16 // ws_col: Number of columns (in cells)
-	X    uint16 // ws_xpixel: Width in pixels
-	Y    uint16 // ws_ypixel: Height in pixels
-}
-
-func windowRectCall(ws *Winsize, fd, a2 uintptr) error {
-	_, _, errno := syscall.Syscall(
-		syscall.SYS_IOCTL,
-		fd,
-		a2,
-		uintptr(unsafe.Pointer(ws)),
-	)
-	if errno != 0 {
-		return syscall.Errno(errno)
-	}
-	return nil
-}

vendor/github.com/creack/pty/util_solaris.go

@@ -1,51 +0,0 @@
-//
-
-package pty
-
-import (
-	"os"
-	"golang.org/x/sys/unix"
-)
-
-const (
-	TIOCGWINSZ = 21608 // 'T' << 8 | 104
-	TIOCSWINSZ = 21607 // 'T' << 8 | 103
-)
-
-// Winsize describes the terminal size.
-type Winsize struct {
-	Rows uint16 // ws_row: Number of rows (in cells)
-	Cols uint16 // ws_col: Number of columns (in cells)
-	X    uint16 // ws_xpixel: Width in pixels
-	Y    uint16 // ws_ypixel: Height in pixels
-}
-
-// GetsizeFull returns the full terminal size description.
-func GetsizeFull(t *os.File) (size *Winsize, err error) {
-	var wsz *unix.Winsize
-	wsz, err = unix.IoctlGetWinsize(int(t.Fd()), TIOCGWINSZ)
-
-	if err != nil {
-		return nil, err
-	} else {
-		return &Winsize{wsz.Row, wsz.Col, wsz.Xpixel, wsz.Ypixel}, nil
-	}
-}
-
-// Get Windows Size
-func Getsize(t *os.File) (rows, cols int, err error) {
-	var wsz *unix.Winsize
-	wsz, err = unix.IoctlGetWinsize(int(t.Fd()), TIOCGWINSZ)
-
-	if err != nil {
-		return 80, 25, err
-	} else {
-		return int(wsz.Row), int(wsz.Col), nil
-	}
-}
-
-// Setsize resizes t to s.
-func Setsize(t *os.File, ws *Winsize) error {
-	wsz := unix.Winsize{ws.Rows, ws.Cols, ws.X, ws.Y}
-	return unix.IoctlSetWinsize(int(t.Fd()), TIOCSWINSZ, &wsz)
-}

vendor/github.com/creack/pty/winsize.go

@@ -0,0 +1,27 @@
+package pty
+
+import "os"
+
+// InheritSize applies the terminal size of pty to tty. This should be run
+// in a signal handler for syscall.SIGWINCH to automatically resize the tty when
+// the pty receives a window size change notification.
+func InheritSize(pty, tty *os.File) error {
+	size, err := GetsizeFull(pty)
+	if err != nil {
+		return err
+	}
+	if err := Setsize(tty, size); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Getsize returns the number of rows (lines) and cols (positions
+// in each line) in terminal t.
+func Getsize(t *os.File) (rows, cols int, err error) {
+	ws, err := GetsizeFull(t)
+	if err != nil {
+		return 0, 0, err
+	}
+	return int(ws.Rows), int(ws.Cols), nil
+}

vendor/github.com/creack/pty/winsize_unix.go

@@ -0,0 +1,35 @@
+//go:build !windows
+// +build !windows
+
+package pty
+
+import (
+	"os"
+	"syscall"
+	"unsafe"
+)
+
+// Winsize describes the terminal size.
+type Winsize struct {
+	Rows uint16 // ws_row: Number of rows (in cells)
+	Cols uint16 // ws_col: Number of columns (in cells)
+	X    uint16 // ws_xpixel: Width in pixels
+	Y    uint16 // ws_ypixel: Height in pixels
+}
+
+// Setsize resizes t to s.
+func Setsize(t *os.File, ws *Winsize) error {
+	//nolint:gosec // Expected unsafe pointer for Syscall call.
+	return ioctl(t.Fd(), syscall.TIOCSWINSZ, uintptr(unsafe.Pointer(ws)))
+}
+
+// GetsizeFull returns the full terminal size description.
+func GetsizeFull(t *os.File) (size *Winsize, err error) {
+	var ws Winsize
+
+	//nolint:gosec // Expected unsafe pointer for Syscall call.
+	if err := ioctl(t.Fd(), syscall.TIOCGWINSZ, uintptr(unsafe.Pointer(&ws))); err != nil {
+		return nil, err
+	}
+	return &ws, nil
+}

vendor/github.com/creack/pty/winsize_unsupported.go

@@ -0,0 +1,23 @@
+//go:build windows
+// +build windows
+
+package pty
+
+import (
+	"os"
+)
+
+// Winsize is a dummy struct to enable compilation on unsupported platforms.
+type Winsize struct {
+	Rows, Cols, X, Y uint16
+}
+
+// Setsize resizes t to s.
+func Setsize(*os.File, *Winsize) error {
+	return ErrUnsupported
+}
+
+// GetsizeFull returns the full terminal size description.
+func GetsizeFull(*os.File) (*Winsize, error) {
+	return nil, ErrUnsupported
+}

vendor/github.com/creack/pty/ztypes_386.go

@@ -1,3 +1,6 @@
+//go:build 386
+// +build 386
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types.go
 

vendor/github.com/creack/pty/ztypes_amd64.go

@@ -1,3 +1,6 @@
+//go:build amd64
+// +build amd64
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types.go
 

vendor/github.com/creack/pty/ztypes_arm.go

@@ -1,3 +1,6 @@
+//go:build arm
+// +build arm
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types.go
 

vendor/github.com/creack/pty/ztypes_arm64.go

@@ -1,8 +1,9 @@
+//go:build arm64
+// +build arm64
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types.go
 
-// +build arm64
-
 package pty
 
 type (

vendor/github.com/creack/pty/ztypes_dragonfly_amd64.go

@@ -1,3 +1,6 @@
+//go:build amd64 && dragonfly
+// +build amd64,dragonfly
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types_dragonfly.go
 

vendor/github.com/creack/pty/ztypes_freebsd_386.go

@@ -1,3 +1,6 @@
+//go:build 386 && freebsd
+// +build 386,freebsd
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types_freebsd.go
 

vendor/github.com/creack/pty/ztypes_freebsd_amd64.go

@@ -1,3 +1,6 @@
+//go:build amd64 && freebsd
+// +build amd64,freebsd
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types_freebsd.go
 

vendor/github.com/creack/pty/ztypes_freebsd_arm.go

@@ -1,3 +1,6 @@
+//go:build arm && freebsd
+// +build arm,freebsd
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types_freebsd.go
 

vendor/github.com/creack/pty/ztypes_freebsd_arm64.go

@@ -1,3 +1,6 @@
+//go:build arm64 && freebsd
+// +build arm64,freebsd
+
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs types_freebsd.go
 

vendor/github.com/creack/pty/ztypes_freebsd_ppc64.go

@@ -0,0 +1,14 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types_freebsd.go
+
+package pty
+
+const (
+	_C_SPECNAMELEN = 0x3f
+)
+
+type fiodgnameArg struct {
+	Len       int32
+	Pad_cgo_0 [4]byte
+	Buf       *byte
+}

vendor/github.com/creack/pty/ztypes_loong64.go

@@ -0,0 +1,12 @@
+//go:build loong64
+// +build loong64
+
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs types.go
+
+package pty
+
+type (
+	_C_int  int32
+	_C_uint uint32
+)

vendor/github.com/creack/pty/ztypes_mipsx.go

@@ -1,9 +1,10 @@
+//go:build (mips || mipsle || mips64 || mips64le) && linux
+// +build mips mipsle mips64 mips64le
+// +build linux
+
 // Created by cgo -godefs - DO NOT EDIT
 // cgo -godefs types.go
 
-// +build linux
-// +build mips mipsle mips64 mips64le
-
 package pty
 
 type (

vendor/github.com/creack/pty/ztypes_netbsd_32bit_int.go

@@ -0,0 +1,17 @@
+//go:build (386 || amd64 || arm || arm64) && netbsd
+// +build 386 amd64 arm arm64
+// +build netbsd
+
+package pty
+
+type ptmget struct {
+	Cfd int32
+	Sfd int32
+	Cn  [1024]int8
+	Sn  [1024]int8
+}
+
+var (
+	ioctl_TIOCPTSNAME = 0x48087448
+	ioctl_TIOCGRANTPT = 0x20007447
+)

vendor/github.com/creack/pty/ztypes_openbsd_32bit_int.go

@@ -1,13 +1,14 @@
+//go:build (386 || amd64 || arm || arm64 || mips64) && openbsd
+// +build 386 amd64 arm arm64 mips64
 // +build openbsd
-// +build 386 amd64 arm arm64
 
 package pty
 
 type ptmget struct {
-	Cfd	int32
-	Sfd	int32
-	Cn	[16]int8
-	Sn	[16]int8
+	Cfd int32
+	Sfd int32
+	Cn  [16]int8
+	Sn  [16]int8
 }
 
 var ioctl_PTMGET = 0x40287401

vendor/github.com/creack/pty/ztypes_ppc64.go

@@ -1,3 +1,4 @@
+//go:build ppc64
 // +build ppc64
 
 // Created by cgo -godefs - DO NOT EDIT

vendor/github.com/creack/pty/ztypes_ppc64le.go

@@ -1,3 +1,4 @@
+//go:build ppc64le
 // +build ppc64le
 
 // Created by cgo -godefs - DO NOT EDIT

vendor/github.com/creack/pty/ztypes_riscvx.go

@@ -1,8 +1,9 @@
+//go:build riscv || riscv64
+// +build riscv riscv64
+
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs types.go
 
-// +build riscv riscv64
-
 package pty
 
 type (

vendor/github.com/creack/pty/ztypes_s390x.go

@@ -1,3 +1,4 @@
+//go:build s390x
 // +build s390x
 
 // Created by cgo -godefs - DO NOT EDIT

vendor/modules.txt

@@ -18,7 +18,7 @@ github.com/containerd/containerd/errdefs
 github.com/containerd/containerd/log
 github.com/containerd/containerd/pkg/userns
 github.com/containerd/containerd/platforms
-# github.com/creack/pty v1.1.11
+# github.com/creack/pty v1.1.18
 ## explicit; go 1.13
 github.com/creack/pty
 # github.com/docker/distribution v2.8.1+incompatible