121 lines
2.6 KiB
Go
121 lines
2.6 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"os"
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"path/filepath"
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"time"
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"github.com/rfjakob/gocryptfs/cluefs_frontend"
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"github.com/rfjakob/gocryptfs/pathfs_frontend"
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bazilfuse "bazil.org/fuse"
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bazilfusefs "bazil.org/fuse/fs"
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"github.com/hanwen/go-fuse/fuse"
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"github.com/hanwen/go-fuse/fuse/nodefs"
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"github.com/hanwen/go-fuse/fuse/pathfs"
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)
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const (
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USE_CLUEFS = false // Use cluefs or pathfs FUSE frontend
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USE_OPENSSL = true // 3x speed increase
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PATHFS_DEBUG = false
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PROGRAM_NAME = "gocryptfs"
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// Exit codes
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ERREXIT_USAGE = 1
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ERREXIT_NEWFS = 2
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ERREXIT_MOUNT = 3
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ERREXIT_SERVE = 4
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ERREXIT_MOUNT2 = 5
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)
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func main() {
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// Parse command line arguments
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flag.Parse()
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if flag.NArg() < 2 {
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fmt.Printf("NArg=%d\n", flag.NArg())
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fmt.Printf("usage: %s CIPHERDIR MOUNTPOINT\n", PROGRAM_NAME)
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os.Exit(ERREXIT_USAGE)
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}
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cipherdir, _ := filepath.Abs(flag.Arg(0))
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mountpoint, _ := filepath.Abs(flag.Arg(1))
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var key [16]byte
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if USE_CLUEFS {
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cluefsFrontend(key, cipherdir, mountpoint)
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} else {
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pathfsFrontend(key, cipherdir, mountpoint)
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}
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}
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func cluefsFrontend(key [16]byte, cipherdir string, mountpoint string) {
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cfs, err := cluefs_frontend.NewFS(key, cipherdir, USE_OPENSSL)
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if err != nil {
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fmt.Println(err)
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os.Exit(ERREXIT_NEWFS)
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}
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// Mount the file system
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mountOpts := []bazilfuse.MountOption{
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bazilfuse.FSName(PROGRAM_NAME),
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bazilfuse.Subtype(PROGRAM_NAME),
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bazilfuse.VolumeName(PROGRAM_NAME),
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bazilfuse.LocalVolume(),
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bazilfuse.MaxReadahead(1024 * 1024),
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}
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conn, err := bazilfuse.Mount(mountpoint, mountOpts...)
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if err != nil {
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fmt.Println(err)
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os.Exit(ERREXIT_MOUNT)
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}
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defer conn.Close()
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// Start serving requests
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if err = bazilfusefs.Serve(conn, cfs); err != nil {
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fmt.Println(err)
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os.Exit(ERREXIT_SERVE)
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}
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// Check for errors when mounting the file system
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<-conn.Ready
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if err = conn.MountError; err != nil {
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fmt.Println(err)
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os.Exit(ERREXIT_MOUNT2)
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}
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// We are done
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os.Exit(0)
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}
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func pathfsFrontend(key [16]byte, cipherdir string, mountpoint string){
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finalFs := pathfs_frontend.NewFS(key, cipherdir, USE_OPENSSL)
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opts := &nodefs.Options{
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// These options are to be compatible with libfuse defaults,
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// making benchmarking easier.
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NegativeTimeout: time.Second,
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AttrTimeout: time.Second,
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EntryTimeout: time.Second,
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}
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pathFs := pathfs.NewPathNodeFs(finalFs, nil)
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conn := nodefs.NewFileSystemConnector(pathFs.Root(), opts)
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mOpts := &fuse.MountOptions{
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AllowOther: false,
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}
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state, err := fuse.NewServer(conn.RawFS(), mountpoint, mOpts)
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if err != nil {
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fmt.Printf("Mount fail: %v\n", err)
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os.Exit(1)
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}
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state.SetDebug(PATHFS_DEBUG)
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fmt.Println("Mounted!")
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state.Serve()
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}
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