1 files changed, 77 insertions, 0 deletions
diff --git a/cmd/fscrypt/setup.go b/cmd/fscrypt/setup.go
new file mode 100644
index 0000000..4f2375c
--- /dev/null
+++ b/cmd/fscrypt/setup.go
@@ -0,0 +1,77 @@
+/*
+ * strings.go - File containing the functionality initializing directories and
+ * the global config file.
+ *
+ * Copyright 2017 Google Inc.
+ * Author: Joe Richey (joerichey@google.com)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+
+	"fscrypt/actions"
+)
+
+// createGlobalConfig creates (or overwrites) the global config file
+func createGlobalConfig(w io.Writer, path string) error {
+	if os.Getuid() != 0 {
+		return ErrMustBeRoot
+	}
+
+	// Ask to create or replace the config file
+	_, err := os.Stat(path)
+	switch {
+	case err == nil:
+		err = askConfirmation(fmt.Sprintf("Replace %q?", path), false, "")
+		if err == nil {
+			err = os.Remove(path)
+		}
+	case os.IsNotExist(err):
+		err = askConfirmation(fmt.Sprintf("Create %q?", path), true, "")
+	}
+	if err != nil {
+		return err
+	}
+
+	fmt.Fprintln(w, "Customizing passphrase hashing difficulty for this system...")
+	err = actions.CreateConfigFile(timeTargetFlag.Value, legacyFlag.Value)
+	if err != nil {
+		return err
+	}
+
+	fmt.Fprintf(w, "Created global config file at %q.\n", path)
+	return nil
+}
+
+// setupFilesystem creates the directories for a filesystem to use fscrypt.
+func setupFilesystem(w io.Writer, path string) error {
+	ctx, err := actions.NewContextFromMountpoint(path)
+	if err != nil {
+		return err
+	}
+
+	if err = ctx.Mount.Setup(); err != nil {
+		return err
+	}
+
+	fmt.Fprintf(w, "Metadata directories created at %q.\n", ctx.Mount.BaseDir())
+	fmt.Fprintf(w, "Filesystem %q (%s) ready for use with %s encryption.\n",
+		ctx.Mount.Path, ctx.Mount.Device, ctx.Mount.Filesystem)
+	return nil
+}