Drop deprecated "-diriv" option

The DirIV feature flag is already mandatory, dropping the command
line option is the final step.

1 files changed, 3 insertions, 11 deletions

diff --git a/main.go b/main.go
index 6ed9271..20c4d8b 100644
--- a/main.go
+++ b/main.go
@@ -42,7 +42,7 @@ const (
 
 type argContainer struct {
 	debug, init, zerokey, fusedebug, openssl, passwd, foreground, version,
-	plaintextnames, quiet, diriv, emenames, gcmiv128, nosyslog, wpanic,
+	plaintextnames, quiet, emenames, gcmiv128, nosyslog, wpanic,
 	longnames, allow_other, ro bool
 	masterkey, mountpoint, cipherdir, cpuprofile, config, extpass,
 	memprofile string
@@ -77,7 +77,7 @@ func initDir(args *argContainer) {
 		os.Exit(ERREXIT_INIT)
 	}
 
-	if args.diriv && !args.plaintextnames {
+	if !args.plaintextnames {
 		// Create gocryptfs.diriv in the root dir
 		err = nametransform.WriteDirIV(args.cipherdir)
 		if err != nil {
@@ -174,7 +174,6 @@ func main() {
 	flagSet.BoolVar(&args.plaintextnames, "plaintextnames", false, "Do not encrypt file names")
 	flagSet.BoolVar(&args.quiet, "q", false, "")
 	flagSet.BoolVar(&args.quiet, "quiet", false, "Quiet - silence informational messages")
-	flagSet.BoolVar(&args.diriv, "diriv", true, "Use per-directory file name IV")
 	flagSet.BoolVar(&args.emenames, "emenames", true, "Use EME filename encryption. This option implies diriv.")
 	flagSet.BoolVar(&args.gcmiv128, "gcmiv128", true, "Use an 128-bit IV for GCM encryption instead of Go's default of 96 bits")
 	flagSet.BoolVar(&args.nosyslog, "nosyslog", false, "Do not redirect output to syslog when running in the background")
@@ -370,7 +369,6 @@ func initFuseFrontend(key []byte, args argContainer, confFile *configfile.ConfFi
 		Masterkey:      key,
 		OpenSSL:        args.openssl,
 		PlaintextNames: args.plaintextnames,
-		DirIV:          args.diriv,
 		EMENames:       args.emenames,
 		GCMIV128:       args.gcmiv128,
 		LongNames:      args.longnames,
@@ -379,17 +377,11 @@ func initFuseFrontend(key []byte, args argContainer, confFile *configfile.ConfFi
 	if confFile != nil {
 		// Settings from the config file override command line args
 		frontendArgs.PlaintextNames = confFile.IsFeatureFlagSet(configfile.FlagPlaintextNames)
-		frontendArgs.DirIV = confFile.IsFeatureFlagSet(configfile.FlagDirIV)
 		frontendArgs.EMENames = confFile.IsFeatureFlagSet(configfile.FlagEMENames)
 		frontendArgs.GCMIV128 = confFile.IsFeatureFlagSet(configfile.FlagGCMIV128)
 	}
-	// EMENames implies DirIV, both on the command line and in the config file.
-	if frontendArgs.EMENames {
-		frontendArgs.DirIV = true
-	}
-	// PlainTexnames disables both EMENames and DirIV
+	// PlainTexnames disables EMENames
 	if frontendArgs.PlaintextNames {
-		frontendArgs.DirIV = false
 		frontendArgs.EMENames = false
 	}
 	jsonBytes, _ := json.MarshalIndent(frontendArgs, "", "\t")