serve ftp: update to goftp.io/server v2.0.1 - fixes #7237

This commit is contained in:
Nick Craig-Wood 2023-08-22 00:36:17 +01:00
parent 7fc573db27
commit 94a320f23c
4 changed files with 74 additions and 91 deletions

View file

@ -9,6 +9,7 @@ import (
"errors"
"fmt"
"io"
iofs "io/fs"
"net"
"os"
"os/user"
@ -29,7 +30,7 @@ import (
"github.com/rclone/rclone/vfs/vfsflags"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
ftp "goftp.io/server/core"
ftp "goftp.io/server/v2"
)
// Options contains options for the http Server
@ -121,8 +122,8 @@ You can set a single username and password with the --user and --pass flags.
},
}
// server contains everything to run the server
type server struct {
// driver contains everything to run the driver for the FTP server
type driver struct {
f fs.Fs
srv *ftp.Server
ctx context.Context // for global config
@ -130,12 +131,13 @@ type server struct {
vfs *vfs.VFS
proxy *proxy.Proxy
useTLS bool
lock sync.Mutex
}
var passivePortsRe = regexp.MustCompile(`^\s*\d+\s*-\s*\d+\s*$`)
// Make a new FTP to serve the remote
func newServer(ctx context.Context, f fs.Fs, opt *Options) (*server, error) {
func newServer(ctx context.Context, f fs.Fs, opt *Options) (*driver, error) {
host, port, err := net.SplitHostPort(opt.ListenAddr)
if err != nil {
return nil, errors.New("failed to parse host:port")
@ -145,54 +147,58 @@ func newServer(ctx context.Context, f fs.Fs, opt *Options) (*server, error) {
return nil, errors.New("failed to parse host:port")
}
s := &server{
d := &driver{
f: f,
ctx: ctx,
opt: *opt,
}
if proxyflags.Opt.AuthProxy != "" {
s.proxy = proxy.New(ctx, &proxyflags.Opt)
d.proxy = proxy.New(ctx, &proxyflags.Opt)
} else {
s.vfs = vfs.New(f, &vfsflags.Opt)
d.vfs = vfs.New(f, &vfsflags.Opt)
}
s.useTLS = s.opt.TLSKey != ""
d.useTLS = d.opt.TLSKey != ""
// Check PassivePorts format since the server library doesn't!
if !passivePortsRe.MatchString(opt.PassivePorts) {
return nil, fmt.Errorf("invalid format for passive ports %q", opt.PassivePorts)
}
ftpopt := &ftp.ServerOpts{
ftpopt := &ftp.Options{
Name: "Rclone FTP Server",
WelcomeMessage: "Welcome to Rclone " + fs.Version + " FTP Server",
Factory: s, // implemented by NewDriver method
Driver: d,
Hostname: host,
Port: portNum,
PublicIP: opt.PublicIP,
PassivePorts: opt.PassivePorts,
Auth: s, // implemented by CheckPasswd method
Auth: d,
Perm: ftp.NewSimplePerm("ftp", "ftp"), // fake user and group
Logger: &Logger{},
TLS: s.useTLS,
CertFile: s.opt.TLSCert,
KeyFile: s.opt.TLSKey,
TLS: d.useTLS,
CertFile: d.opt.TLSCert,
KeyFile: d.opt.TLSKey,
//TODO implement a maximum of https://godoc.org/goftp.io/server#ServerOpts
}
s.srv = ftp.NewServer(ftpopt)
return s, nil
d.srv, err = ftp.NewServer(ftpopt)
if err != nil {
return nil, fmt.Errorf("failed to create new FTP server: %w", err)
}
return d, nil
}
// serve runs the ftp server
func (s *server) serve() error {
fs.Logf(s.f, "Serving FTP on %s", s.srv.Hostname+":"+strconv.Itoa(s.srv.Port))
return s.srv.ListenAndServe()
func (d *driver) serve() error {
fs.Logf(d.f, "Serving FTP on %s", d.srv.Hostname+":"+strconv.Itoa(d.srv.Port))
return d.srv.ListenAndServe()
}
// close stops the ftp server
//
//lint:ignore U1000 unused when not building linux
func (s *server) close() error {
fs.Logf(s.f, "Stopping FTP on %s", s.srv.Hostname+":"+strconv.Itoa(s.srv.Port))
return s.srv.Shutdown()
func (d *driver) close() error {
fs.Logf(d.f, "Stopping FTP on %s", d.srv.Hostname+":"+strconv.Itoa(d.srv.Port))
return d.srv.Shutdown()
}
// Logger ftp logger output formatted message
@ -223,44 +229,17 @@ func (l *Logger) PrintResponse(sessionID string, code int, message string) {
}
// CheckPasswd handle auth based on configuration
//
// This is not used - the one in Driver should be called instead
func (s *server) CheckPasswd(user, pass string) (ok bool, err error) {
err = errors.New("internal error: server.CheckPasswd should never be called")
fs.Errorf(nil, "Error: %v", err)
return false, err
}
// NewDriver starts a new session for each client connection
func (s *server) NewDriver() (ftp.Driver, error) {
log.Trace("", "Init driver")("")
d := &Driver{
s: s,
vfs: s.vfs, // this can be nil if proxy set
}
return d, nil
}
// Driver implementation of ftp server
type Driver struct {
s *server
vfs *vfs.VFS
lock sync.Mutex
}
// CheckPasswd handle auth based on configuration
func (d *Driver) CheckPasswd(user, pass string) (ok bool, err error) {
s := d.s
if s.proxy != nil {
func (d *driver) CheckPasswd(sctx *ftp.Context, user, pass string) (ok bool, err error) {
if d.proxy != nil {
var VFS *vfs.VFS
VFS, _, err = s.proxy.Call(user, pass, false)
VFS, _, err = d.proxy.Call(user, pass, false)
if err != nil {
fs.Infof(nil, "proxy login failed: %v", err)
return false, nil
}
d.vfs = VFS
} else {
ok = s.opt.BasicUser == user && (s.opt.BasicPass == "" || s.opt.BasicPass == pass)
ok = d.opt.BasicUser == user && (d.opt.BasicPass == "" || d.opt.BasicPass == pass)
if !ok {
fs.Infof(nil, "login failed: bad credentials")
return false, nil
@ -270,7 +249,7 @@ func (d *Driver) CheckPasswd(user, pass string) (ok bool, err error) {
}
// Stat get information on file or folder
func (d *Driver) Stat(path string) (fi ftp.FileInfo, err error) {
func (d *driver) Stat(sctx *ftp.Context, path string) (fi iofs.FileInfo, err error) {
defer log.Trace(path, "")("fi=%+v, err = %v", &fi, &err)
n, err := d.vfs.Stat(path)
if err != nil {
@ -280,7 +259,7 @@ func (d *Driver) Stat(path string) (fi ftp.FileInfo, err error) {
}
// ChangeDir move current folder
func (d *Driver) ChangeDir(path string) (err error) {
func (d *driver) ChangeDir(sctx *ftp.Context, path string) (err error) {
d.lock.Lock()
defer d.lock.Unlock()
defer log.Trace(path, "")("err = %v", &err)
@ -295,7 +274,7 @@ func (d *Driver) ChangeDir(path string) (err error) {
}
// ListDir list content of a folder
func (d *Driver) ListDir(path string, callback func(ftp.FileInfo) error) (err error) {
func (d *driver) ListDir(sctx *ftp.Context, path string, callback func(iofs.FileInfo) error) (err error) {
d.lock.Lock()
defer d.lock.Unlock()
defer log.Trace(path, "")("err = %v", &err)
@ -318,7 +297,7 @@ func (d *Driver) ListDir(path string, callback func(ftp.FileInfo) error) (err er
// Account the transfer
tr := accounting.GlobalStats().NewTransferRemoteSize(path, node.Size())
defer func() {
tr.Done(d.s.ctx, err)
tr.Done(d.ctx, err)
}()
for _, file := range dirEntries {
@ -331,7 +310,7 @@ func (d *Driver) ListDir(path string, callback func(ftp.FileInfo) error) (err er
}
// DeleteDir delete a folder and his content
func (d *Driver) DeleteDir(path string) (err error) {
func (d *driver) DeleteDir(sctx *ftp.Context, path string) (err error) {
d.lock.Lock()
defer d.lock.Unlock()
defer log.Trace(path, "")("err = %v", &err)
@ -350,7 +329,7 @@ func (d *Driver) DeleteDir(path string) (err error) {
}
// DeleteFile delete a file
func (d *Driver) DeleteFile(path string) (err error) {
func (d *driver) DeleteFile(sctx *ftp.Context, path string) (err error) {
d.lock.Lock()
defer d.lock.Unlock()
defer log.Trace(path, "")("err = %v", &err)
@ -369,7 +348,7 @@ func (d *Driver) DeleteFile(path string) (err error) {
}
// Rename rename a file or folder
func (d *Driver) Rename(oldName, newName string) (err error) {
func (d *driver) Rename(sctx *ftp.Context, oldName, newName string) (err error) {
d.lock.Lock()
defer d.lock.Unlock()
defer log.Trace(oldName, "newName=%q", newName)("err = %v", &err)
@ -377,7 +356,7 @@ func (d *Driver) Rename(oldName, newName string) (err error) {
}
// MakeDir create a folder
func (d *Driver) MakeDir(path string) (err error) {
func (d *driver) MakeDir(sctx *ftp.Context, path string) (err error) {
d.lock.Lock()
defer d.lock.Unlock()
defer log.Trace(path, "")("err = %v", &err)
@ -390,7 +369,7 @@ func (d *Driver) MakeDir(path string) (err error) {
}
// GetFile download a file
func (d *Driver) GetFile(path string, offset int64) (size int64, fr io.ReadCloser, err error) {
func (d *driver) GetFile(sctx *ftp.Context, path string, offset int64) (size int64, fr io.ReadCloser, err error) {
d.lock.Lock()
defer d.lock.Unlock()
defer log.Trace(path, "offset=%v", offset)("err = %v", &err)
@ -416,22 +395,23 @@ func (d *Driver) GetFile(path string, offset int64) (size int64, fr io.ReadClose
// Account the transfer
tr := accounting.GlobalStats().NewTransferRemoteSize(path, node.Size())
defer tr.Done(d.s.ctx, nil)
defer tr.Done(d.ctx, nil)
return node.Size(), handle, nil
}
// PutFile upload a file
func (d *Driver) PutFile(path string, data io.Reader, appendData bool) (n int64, err error) {
func (d *driver) PutFile(sctx *ftp.Context, path string, data io.Reader, offset int64) (n int64, err error) {
d.lock.Lock()
defer d.lock.Unlock()
defer log.Trace(path, "append=%v", appendData)("err = %v", &err)
defer log.Trace(path, "offset=%d", offset)("err = %v", &err)
var isExist bool
node, err := d.vfs.Stat(path)
fi, err := d.vfs.Stat(path)
if err == nil {
isExist = true
if node.IsDir() {
return 0, errors.New("a dir has the same name")
if fi.IsDir() {
return 0, errors.New("can't create file - directory exists")
}
} else {
if os.IsNotExist(err) {
@ -441,44 +421,54 @@ func (d *Driver) PutFile(path string, data io.Reader, appendData bool) (n int64,
}
}
if appendData && !isExist {
appendData = false
if offset > -1 && !isExist {
offset = -1
}
if !appendData {
var f vfs.Handle
if offset == -1 {
if isExist {
err = node.Remove()
err = d.vfs.Remove(path)
if err != nil {
return 0, err
}
}
f, err := d.vfs.OpenFile(path, os.O_RDWR|os.O_CREATE, 0660)
f, err = d.vfs.Create(path)
if err != nil {
return 0, err
}
defer closeIO(path, f)
defer fs.CheckClose(f, &err)
n, err = io.Copy(f, data)
if err != nil {
return 0, err
}
return n, nil
}
f, err = d.vfs.OpenFile(path, os.O_APPEND|os.O_RDWR, 0660)
if err != nil {
return 0, err
}
defer fs.CheckClose(f, &err)
info, err := f.Stat()
if err != nil {
return 0, err
}
if offset > info.Size() {
return 0, fmt.Errorf("offset %d is beyond file size %d", offset, info.Size())
}
_, err = f.Seek(offset, io.SeekStart)
if err != nil {
return 0, err
}
bytes, err := io.Copy(f, data)
if err != nil {
return 0, err
}
return bytes, nil
}
of, err := d.vfs.OpenFile(path, os.O_APPEND|os.O_RDWR, 0660)
if err != nil {
return 0, err
}
defer closeIO(path, of)
_, err = of.Seek(0, io.SeekEnd)
if err != nil {
return 0, err
}
bytes, err := io.Copy(of, data)
if err != nil {
return 0, err
}
return bytes, nil
}
@ -521,10 +511,3 @@ func (f *FileInfo) Group() string {
func (f *FileInfo) ModTime() time.Time {
return f.FileInfo.ModTime().UTC()
}
func closeIO(path string, c io.Closer) {
err := c.Close()
if err != nil {
log.Trace(path, "")("err = %v", &err)
}
}

View file

@ -18,7 +18,7 @@ import (
"github.com/rclone/rclone/fs/config/configmap"
"github.com/rclone/rclone/fs/config/obscure"
"github.com/stretchr/testify/assert"
ftp "goftp.io/server/core"
ftp "goftp.io/server/v2"
)
const (

2
go.mod
View file

@ -64,7 +64,7 @@ require (
github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a
github.com/yunify/qingstor-sdk-go/v3 v3.2.0
go.etcd.io/bbolt v1.3.7
goftp.io/server v1.0.0-rc1
goftp.io/server/v2 v2.0.1
golang.org/x/crypto v0.11.0
golang.org/x/net v0.12.0
golang.org/x/oauth2 v0.10.0

4
go.sum
View file

@ -542,8 +542,8 @@ go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
goftp.io/server v1.0.0-rc1 h1:gdu6Dq8dK4Qllrhc7oEclGUH+6gBYRQtO43ELnI7fjc=
goftp.io/server v1.0.0-rc1/go.mod h1:hFZeR656ErRt3ojMKt7H10vQ5nuWV1e0YeUTeorlR6k=
goftp.io/server/v2 v2.0.1 h1:H+9UbCX2N206ePDSVNCjBftOKOgil6kQ5RAQNx5hJwE=
goftp.io/server/v2 v2.0.1/go.mod h1:7+H/EIq7tXdfo1Muu5p+l3oQ6rYkDZ8lY7IM5d5kVdQ=
golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=