53 lines
1 KiB
Go
53 lines
1 KiB
Go
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package main
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// small wrapper around sftp server that allows it to be used as a separate process subsystem call by the ssh server.
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// in practice this will statically link; however this allows unit testing from the sftp client.
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import (
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"github.com/pkg/sftp"
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)
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func main() {
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var (
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readOnly bool
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debugStderr bool
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debugLevel string
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options []sftp.ServerOption
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)
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flag.BoolVar(&readOnly, "R", false, "read-only server")
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flag.BoolVar(&debugStderr, "e", false, "debug to stderr")
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flag.StringVar(&debugLevel, "l", "none", "debug level (ignored)")
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flag.Parse()
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debugStream := ioutil.Discard
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if debugStderr {
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debugStream = os.Stderr
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}
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options = append(options, sftp.WithDebug(debugStream))
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if readOnly {
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options = append(options, sftp.ReadOnly())
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}
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svr, _ := sftp.NewServer(
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struct {
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io.Reader
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io.WriteCloser
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}{os.Stdin,
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os.Stdout,
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},
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options...,
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)
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if err := svr.Serve(); err != nil {
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fmt.Fprintf(debugStream, "sftp server completed with error: %v", err)
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os.Exit(1)
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}
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}
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