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-rw-r--r--gocryptfs_main/main.go233
1 files changed, 0 insertions, 233 deletions
diff --git a/gocryptfs_main/main.go b/gocryptfs_main/main.go
deleted file mode 100644
index 912ff72..0000000
--- a/gocryptfs_main/main.go
+++ /dev/null
@@ -1,233 +0,0 @@
-package main
-
-import (
- "flag"
- "fmt"
- "io/ioutil"
- "os"
- "path/filepath"
- "runtime"
- "runtime/pprof"
- "time"
-
- "github.com/rfjakob/gocryptfs/cryptfs"
- "github.com/rfjakob/gocryptfs/pathfs_frontend"
-
- "github.com/hanwen/go-fuse/fuse"
- "github.com/hanwen/go-fuse/fuse/nodefs"
- "github.com/hanwen/go-fuse/fuse/pathfs"
-)
-
-const (
- USE_OPENSSL = true
- PATHFS_DEBUG = false
-
- PROGRAM_NAME = "gocryptfs"
-
- // Exit codes
- ERREXIT_USAGE = 1
- ERREXIT_NEWFS = 2
- ERREXIT_MOUNT = 3
- ERREXIT_SERVE = 4
- ERREXIT_MOUNT2 = 5
- ERREXIT_CIPHERDIR = 6
- ERREXIT_INIT = 7
- ERREXIT_LOADCONF = 8
- ERREXIT_PASSWORD = 9
-)
-
-func initDir(dirArg string) {
- dir, _ := filepath.Abs(dirArg)
-
- if dirEmpty(dir) == false {
- fmt.Printf("Error: Directory \"%s\" is not empty\n", dirArg)
- os.Exit(ERREXIT_INIT)
- }
-
- confName := filepath.Join(dir, cryptfs.ConfDefaultName)
- fmt.Printf("Choose a password for protecting your files.\n")
- password := readPasswordTwice()
- err := cryptfs.CreateConfFile(confName, password)
- if err != nil {
- fmt.Println(err)
- os.Exit(ERREXIT_INIT)
- }
- fmt.Printf("The filesystem is now ready for mounting.\n")
- os.Exit(0)
-}
-
-func usageText() {
- fmt.Printf("Usage: %s [OPTIONS] CIPHERDIR MOUNTPOINT\n", PROGRAM_NAME)
- fmt.Printf("\nOptions:\n")
- flag.PrintDefaults()
-}
-
-func main() {
- runtime.GOMAXPROCS(4)
-
- // Parse command line arguments
- var debug, init, zerokey, fusedebug, openssl, passwd bool
- var masterkey string
-
- flag.Usage = usageText
- flag.BoolVar(&debug, "debug", false, "Enable debug output")
- flag.BoolVar(&fusedebug, "fusedebug", false, "Enable fuse library debug output")
- flag.BoolVar(&init, "init", false, "Initialize encrypted directory")
- flag.BoolVar(&zerokey, "zerokey", false, "Use all-zero dummy master key")
- flag.BoolVar(&openssl, "openssl", true, "Use OpenSSL instead of built-in Go crypto")
- flag.BoolVar(&passwd, "passwd", false, "Change password")
- flag.StringVar(&masterkey, "masterkey", "", "Mount with explicit master key")
- var cpuprofile = flag.String("cpuprofile", "", "Write cpu profile to specified file")
-
- flag.Parse()
- if *cpuprofile != "" {
- f, err := os.Create(*cpuprofile)
- if err != nil {
- fmt.Println(err)
- os.Exit(ERREXIT_INIT)
- }
- fmt.Printf("Writing CPU profile to %s\n", *cpuprofile)
- pprof.StartCPUProfile(f)
- defer pprof.StopCPUProfile()
- }
- if debug {
- cryptfs.Debug.Enable()
- cryptfs.Debug.Printf("Debug output enabled\n")
- }
- if openssl == false {
- fmt.Printf("Openssl disabled\n")
- }
- if init {
- if flag.NArg() != 1 {
- fmt.Printf("Usage: %s --init CIPHERDIR\n", PROGRAM_NAME)
- os.Exit(ERREXIT_USAGE)
- }
- initDir(flag.Arg(0))
- } else if passwd {
- if flag.NArg() != 1 {
- fmt.Printf("Usage: %s --passwd CIPHERDIR\n", PROGRAM_NAME)
- os.Exit(ERREXIT_USAGE)
- }
- } else if flag.NArg() < 2 {
- usageText()
- os.Exit(ERREXIT_USAGE)
- }
- cipherdir, _ := filepath.Abs(flag.Arg(0))
- mountpoint, _ := filepath.Abs(flag.Arg(1))
- cryptfs.Debug.Printf("cipherdir=%s\nmountpoint=%s\n", cipherdir, mountpoint)
-
- _, err := os.Stat(cipherdir)
- if err != nil {
- fmt.Printf("Cipherdir: %s\n", err.Error())
- os.Exit(ERREXIT_CIPHERDIR)
- }
-
- var cf *cryptfs.ConfFile
- var currentPassword string
- key := make([]byte, cryptfs.KEY_LEN)
- if zerokey {
- fmt.Printf("Zerokey mode active: using all-zero dummy master key.\n")
- } else if len(masterkey) > 0 {
- key = parseMasterKey(masterkey)
- fmt.Printf("Using explicit master key.\n")
- } else {
- cfname := filepath.Join(cipherdir, cryptfs.ConfDefaultName)
- _, err = os.Stat(cfname)
- if err != nil {
- fmt.Printf("Error: %s not found in CIPHERDIR\n", cryptfs.ConfDefaultName)
- fmt.Printf("Please run \"%s --init %s\" first\n", PROGRAM_NAME, flag.Arg(0))
- os.Exit(ERREXIT_LOADCONF)
- }
- if passwd == true {
- fmt.Printf("Old password: ")
- } else {
- fmt.Printf("Password: ")
- }
- currentPassword = readPassword()
- fmt.Printf("\nDecrypting master key... ")
- cryptfs.Warn.Disable() // Silence DecryptBlock() error messages on incorrect password
- key, cf, err = cryptfs.LoadConfFile(cfname, currentPassword)
- cryptfs.Warn.Enable()
- if err != nil {
- fmt.Println(err)
- fmt.Println("Password incorrect.")
- os.Exit(ERREXIT_LOADCONF)
- }
- fmt.Printf("done.\n")
- }
- if passwd == true {
- fmt.Printf("Please enter the new password.\n")
- newPassword := readPasswordTwice()
- if newPassword == currentPassword {
- fmt.Printf("New and old passwords are identical\n")
- os.Exit(1)
- }
- cf.EncryptKey(key, newPassword)
- err := cf.WriteFile()
- if err != nil {
- fmt.Println(err)
- os.Exit(ERREXIT_INIT)
- }
- fmt.Printf("Password changed.\n")
- os.Exit(0)
- }
-
- srv := pathfsFrontend(key, cipherdir, mountpoint, fusedebug, openssl)
-
- if zerokey == false && len(masterkey) == 0 {
- printMasterKey(key)
- } else if zerokey == true {
- fmt.Printf("ZEROKEY MODE PROVIDES NO SECURITY AT ALL AND SHOULD ONLY BE USED FOR TESTING.\n")
- } else if len(masterkey) > 0 {
- fmt.Printf("THE MASTER KEY IS VISIBLE VIA \"ps -auxwww\", ONLY USE THIS MODE FOR EMERGENCIES.\n")
- }
-
- fmt.Println("Filesystem ready.")
- // Send notification to our parent
- sendSig()
- // Jump into server loop
- srv.Serve()
-}
-
-func dirEmpty(dir string) bool {
- entries, err := ioutil.ReadDir(dir)
- if err != nil {
- fmt.Println(err)
- os.Exit(ERREXIT_CIPHERDIR)
- }
- if len(entries) == 0 {
- return true
- }
- return false
-}
-
-func pathfsFrontend(key []byte, cipherdir string, mountpoint string, debug bool, openssl bool) *fuse.Server {
-
- finalFs := pathfs_frontend.NewFS(key, cipherdir, openssl)
- pathFsOpts := &pathfs.PathNodeFsOptions{ClientInodes: true}
- pathFs := pathfs.NewPathNodeFs(finalFs, pathFsOpts)
- fuseOpts := &nodefs.Options{
- // These options are to be compatible with libfuse defaults,
- // making benchmarking easier.
- NegativeTimeout: time.Second,
- AttrTimeout: time.Second,
- EntryTimeout: time.Second,
- }
- conn := nodefs.NewFileSystemConnector(pathFs.Root(), fuseOpts)
- var mOpts fuse.MountOptions
- mOpts.AllowOther = false
- // Set values shown in "df -T" and friends
- // First column, "Filesystem"
- mOpts.Options = append(mOpts.Options, "fsname="+cipherdir)
- // Second column, "Type", will be shown as "fuse." + Name
- mOpts.Name = "gocryptfs"
-
- srv, err := fuse.NewServer(conn.RawFS(), mountpoint, &mOpts)
- if err != nil {
- fmt.Printf("Mount failed: %v", err)
- os.Exit(1)
- }
- srv.SetDebug(debug)
-
- return srv
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-04 22:32:19 +0000