wings/sftp/utils.go

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package sftp
import (
"io"
"os"
)
const (
// ErrSSHQuotaExceeded extends the default SFTP server to return a quota exceeded error to the client.
//
// @see https://tools.ietf.org/id/draft-ietf-secsh-filexfer-13.txt
ErrSSHQuotaExceeded = fxErr(15)
)
type ListerAt []os.FileInfo
// ListAt returns the number of entries copied and an io.EOF error if we made it to the end of the file list.
// Take a look at the pkg/sftp godoc for more information about how this function should work.
func (l ListerAt) ListAt(f []os.FileInfo, offset int64) (int, error) {
if offset >= int64(len(l)) {
return 0, io.EOF
}
if n := copy(f, l[offset:]); n < len(f) {
return n, io.EOF
} else {
return n, nil
}
}
type fxErr uint32
func (e fxErr) Error() string {
switch e {
case ErrSSHQuotaExceeded:
return "Quota Exceeded"
default:
return "Failure"
}
}