hardcoresushi/libgocryptfs
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main: initial support for reverse mode

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This commit is contained in:
Jakob Unterwurzacher 2016-08-29 22:05:39 +02:00
parent 1d62086742
commit 1d4c6288f2
2 changed files with 14 additions and 2 deletions
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3
internal/configfile/config_file.go
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@ -17,6 +17,9 @@ const (
// The dot "." is not used in base64url (RFC4648), hence
// we can never clash with an encrypted file.
ConfDefaultName = "gocryptfs.conf"
// In reverse mode, the config file gets stored next to the plain-text
// files. Make it hidden (start with dot) to not annoy the user.
ConfReverseName = ".gocryptfs.reverse.conf"
)
type ConfFile struct {

13
main.go
View File

@ -24,6 +24,7 @@ import (
"github.com/rfjakob/gocryptfs/internal/contentenc"
"github.com/rfjakob/gocryptfs/internal/cryptocore"
"github.com/rfjakob/gocryptfs/internal/fusefrontend"
"github.com/rfjakob/gocryptfs/internal/fusefrontend_reverse"
"github.com/rfjakob/gocryptfs/internal/nametransform"
"github.com/rfjakob/gocryptfs/internal/prefer_openssl"
"github.com/rfjakob/gocryptfs/internal/readpassword"
@ -43,7 +44,7 @@ const (
type argContainer struct {
debug, init, zerokey, fusedebug, openssl, passwd, foreground, version,
plaintextnames, quiet, nosyslog, wpanic,
longnames, allow_other, ro bool
longnames, allow_other, ro, reverse bool
masterkey, mountpoint, cipherdir, cpuprofile, config, extpass,
memprofile, o string
notifypid, scryptn int
@ -193,6 +194,7 @@ func main() {
flagSet.BoolVar(&args.allow_other, "allow_other", false, "Allow other users to access the filesystem. "+
"Only works if user_allow_other is set in /etc/fuse.conf.")
flagSet.BoolVar(&args.ro, "ro", false, "Mount the filesystem read-only")
flagSet.BoolVar(&args.reverse, "reverse", false, "Reverse mode")
flagSet.StringVar(&args.masterkey, "masterkey", "", "Mount with explicit master key")
flagSet.StringVar(&args.cpuprofile, "cpuprofile", "", "Write cpu profile to specified file")
flagSet.StringVar(&args.memprofile, "memprofile", "", "Write memory profile to specified file")
@ -258,6 +260,8 @@ func main() {
os.Exit(ERREXIT_INIT)
}
tlog.Info.Printf("Using config file at custom location %s", args.config)
} else if args.reverse {
args.config = filepath.Join(args.cipherdir, configfile.ConfReverseName)
} else {
args.config = filepath.Join(args.cipherdir, configfile.ConfDefaultName)
}
@ -401,7 +405,12 @@ func initFuseFrontend(key []byte, args argContainer, confFile *configfile.ConfFi
jsonBytes, _ := json.MarshalIndent(frontendArgs, "", "\t")
tlog.Debug.Printf("frontendArgs: %s", string(jsonBytes))
finalFs := fusefrontend.NewFS(frontendArgs)
var finalFs pathfs.FileSystem
if args.reverse {
finalFs = fusefrontend_reverse.NewFS(frontendArgs)
} else {
finalFs = fusefrontend.NewFS(frontendArgs)
}
pathFsOpts := &pathfs.PathNodeFsOptions{ClientInodes: true}
pathFs := pathfs.NewPathNodeFs(finalFs, pathFsOpts)
fuseOpts := &nodefs.Options{