Version 0.1.16

auth_pkcs11.go

@@ -7,6 +7,9 @@
 package sshlib
 
 import (
+	"errors"
+	"os"
+
 	"github.com/miekg/pkcs11"
 	"golang.org/x/crypto/ssh"
 )
@@ -37,6 +40,11 @@ func CreateSignerPKCS11(provider, pin string) (signers []ssh.Signer, err error)
 	// get absolute path
 	provider = getAbsPath(provider)
 
+	// Check exist provider
+	if _, err = os.Stat(provider); errors.Is(err, os.ErrNotExist) {
+		return
+	}
+
 	ctx := pkcs11.New(provider)
 	err = ctx.Initialize()
 	if err != nil {

cmd.go

@@ -59,7 +59,6 @@ func (c *Connect) Command(command string) (err error) {
 	return
 }
 
-//
 func (c *Connect) setOption(session *ssh.Session) (err error) {
 	// Request tty
 	if c.TTY {

connect.go

@@ -117,15 +117,15 @@ func (c *Connect) CreateClient(host, port, user string, authMethods []ssh.AuthMe
 	uri := net.JoinHostPort(host, port)
 
 	timeout := 20
-	if c.ConnectTimeout > 0 {
-		timeout = c.ConnectTimeout
+	if c.ConnectTimeout == 0 {
+		c.ConnectTimeout = timeout
 	}
 
 	// Create new ssh.ClientConfig{}
 	config := &ssh.ClientConfig{
 		User:    user,
 		Auth:    authMethods,
-		Timeout: time.Duration(timeout) * time.Second,
+		Timeout: time.Duration(c.ConnectTimeout) * time.Second,
 	}
 
 	if c.HostKeyCallback != nil {
@@ -147,21 +147,27 @@ func (c *Connect) CreateClient(host, port, user string, authMethods []ssh.AuthMe
 		c.ProxyDialer = proxy.Direct
 	}
 
-	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeout)*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(c.ConnectTimeout)*time.Second)
 	defer cancel()
 
 	// Dial to host:port
-	netConn, err := c.ProxyDialer.DialContext(ctx, "tcp", uri)
-	if err != nil {
-		return
+	netConn, cerr := c.ProxyDialer.DialContext(ctx, "tcp", uri)
+	if cerr != nil {
+		return cerr
 	}
 
+	// Set deadline
+	netConn.SetDeadline(time.Now().Add(time.Duration(c.ConnectTimeout) * time.Second))
+
 	// Create new ssh connect
-	sshCon, channel, req, err := ssh.NewClientConn(netConn, uri, config)
-	if err != nil {
-		return
+	sshCon, channel, req, cerr := ssh.NewClientConn(netConn, uri, config)
+	if cerr != nil {
+		return cerr
 	}
 
+	// Reet deadline
+	netConn.SetDeadline(time.Time{})
+
 	// Create *ssh.Client
 	c.Client = ssh.NewClient(sshCon, channel, req)
 
@@ -172,40 +178,36 @@ func (c *Connect) CreateClient(host, port, user string, authMethods []ssh.AuthMe
 func (c *Connect) CreateSession() (session *ssh.Session, err error) {
 	// Create session
 	session, err = c.Client.NewSession()
-
 	return
 }
 
 // SendKeepAlive send packet to session.
 // TODO(blacknon): Interval及びMaxを設定できるようにする(v0.1.1)
 func (c *Connect) SendKeepAlive(session *ssh.Session) {
 	// keep alive interval (default 30 sec)
-	interval := 30
+	interval := 1
 	if c.SendKeepAliveInterval > 0 {
 		interval = c.SendKeepAliveInterval
 	}
 
-	// keep alive max (default 5)
-	max := 5
-	if c.SendKeepAliveMax > 0 {
-		max = c.SendKeepAliveMax
-	}
-
-	// keep alive counter
-	i := 0
 	for {
-		// Send keep alive packet
-		_, err := session.SendRequest("keepalive", true, nil)
-		// _, _, err := c.Client.SendRequest("keepalive", true, nil)
-		if err == nil {
-			i = 0
-		} else {
-			i += 1
-		}
+		// timeout channel
+		tc := make(chan bool, 1)
+
+		go func() {
+			// Send keep alive packet
+			_, err := session.SendRequest("keepalive", true, nil)
+			if err == nil {
+				tc <- true
+			}
+		}()
 
-		// check counter
-		if max <= i {
+		select {
+		case <-tc:
+		case <-time.After(time.Duration(c.ConnectTimeout) * time.Second):
 			session.Close()
+			c.Client.Close()
+			log.Println("keepalive timeout")
 			return
 		}
 

go.mod

@@ -1,5 +1,8 @@
 module github.com/blacknon/go-sshlib
 
+// NOTE: go-nfsについては、オリジナルがアップデートされたらベースのリポジトリに変更する(2024/08/10)
+//       => debug commitが何故か0.0.2に含まれていないので…
+
 require (
 	github.com/ScaleFT/sshkeys v0.0.0-20200327173127-6142f742bca5
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
@@ -16,13 +19,23 @@ require (
 	golang.org/x/term v0.23.0
 )
 
+require (
+	github.com/blacknon/go-nfs-sshlib v0.0.3
+	github.com/go-git/go-billy/v5 v5.5.0
+	github.com/pkg/sftp v1.13.6
+)
+
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
+	github.com/cyphar/filepath-securejoin v0.2.4 // indirect
 	github.com/dchest/bcrypt_pbkdf v0.0.0-20150205184540-83f37f9c154a // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
+	github.com/kr/fs v0.1.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/stretchr/testify v1.7.1 // indirect
+	github.com/rasky/go-xdr v0.0.0-20170124162913-1a41d1a06c93 // indirect
 	github.com/thales-e-security/pool v0.0.2 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
+	github.com/willscott/go-nfs-client v0.0.0-20240104095149-b44639837b00 // indirect
 )
 
 go 1.22.4

go.sum

@@ -6,62 +6,113 @@ github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPd
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 github.com/blacknon/crypto11 v1.2.7 h1:LKrnCeXAk4jQmpJTeg/tVvNjqEgKHIE+tYSNXQj8Fco=
 github.com/blacknon/crypto11 v1.2.7/go.mod h1:Z24sFD9pMX3NdUFzX52ggcV7HurAYAGvxud73BrHudA=
+github.com/blacknon/go-nfs-sshlib v0.0.3 h1:tq83kTZibrr99/GCn0pqkJhmBTDMupL/eMI3ZhSM0G4=
+github.com/blacknon/go-nfs-sshlib v0.0.3/go.mod h1:jaCmHgFoj8j08rGrBnhJ4nFO7nUWs4xFrUd2vEPwyx8=
 github.com/blacknon/go-x11auth v0.1.0 h1:SnljCPWcvglWeGAlKc1RAPMHnOfMpM9+GrTGEUQ1lqQ=
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nfs_cos.go

@@ -0,0 +1,42 @@
+// Copyright (c) 2024 Blacknon. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+package sshlib
+
+import (
+	"os"
+	"time"
+
+	"github.com/go-git/go-billy/v5"
+)
+
+// NewChangeOSFS wraps billy osfs to add the change interface
+func NewChangeOSFS(fs billy.Filesystem) billy.Filesystem {
+	return COS{fs}
+}
+
+// COS or OSFS + Change wraps a billy.FS to not fail the `Change` interface.
+type COS struct {
+	billy.Filesystem
+}
+
+// Chmod changes mode
+func (fs COS) Chmod(name string, mode os.FileMode) error {
+	return os.Chmod(fs.Join(fs.Root(), name), mode)
+}
+
+// Lchown changes ownership
+func (fs COS) Lchown(name string, uid, gid int) error {
+	return os.Lchown(fs.Join(fs.Root(), name), uid, gid)
+}
+
+// Chown changes ownership
+func (fs COS) Chown(name string, uid, gid int) error {
+	return os.Chown(fs.Join(fs.Root(), name), uid, gid)
+}
+
+// Chtimes changes access time
+func (fs COS) Chtimes(name string, atime time.Time, mtime time.Time) error {
+	return os.Chtimes(fs.Join(fs.Root(), name), atime, mtime)
+}

nfs_cos_unix.go

@@ -0,0 +1,30 @@
+//go:build darwin || dragonfly || freebsd || linux || nacl || netbsd || openbsd || solaris
+
+// Copyright (c) 2024 Blacknon. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+package sshlib
+
+import "golang.org/x/sys/unix"
+
+func (fs COS) Mknod(path string, mode uint32, major uint32, minor uint32) error {
+	dev := unix.Mkdev(major, minor)
+	return unix.Mknod(fs.Join(fs.Root(), path), mode, int(dev))
+}
+
+func (fs COS) Mkfifo(path string, mode uint32) error {
+	return unix.Mkfifo(fs.Join(fs.Root(), path), mode)
+}
+
+func (fs COS) Link(path string, link string) error {
+	return unix.Link(fs.Join(fs.Root(), path), link)
+}
+
+func (fs COS) Socket(path string) error {
+	fd, err := unix.Socket(unix.AF_UNIX, unix.SOCK_STREAM, 0)
+	if err != nil {
+		return err
+	}
+	return unix.Bind(fd, &unix.SockaddrUnix{Name: fs.Join(fs.Root(), path)})
+}