Add basic filesystem structure on linux

rustcryptfs-linux/Cargo.toml

@@ -6,3 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+fuser = "0.11"
+log = "0.4"
+rustcryptfs-lib = { path = "../rustcryptfs-lib" }
+thiserror = "1.0"

rustcryptfs-linux/src/encrypted_filesystem.rs

@@ -0,0 +1,28 @@
+use std::path::Path;
+
+use fuser::Filesystem;
+use rustcryptfs_lib::config::CryptConf;
+
+pub struct EncryptedFs {}
+
+impl EncryptedFs {
+    pub fn new<P>(path: P) -> Self
+    where
+        P: AsRef<Path>,
+    {
+        todo!()
+    }
+
+    pub fn new_from_config(config: &CryptConf) -> Self {
+        Self {}
+    }
+
+    pub fn mount<P>(self, mountpoint: P)
+    where
+        P: AsRef<Path>,
+    {
+        fuser::mount2(self, mountpoint, &[]).unwrap();
+    }
+}
+
+impl Filesystem for EncryptedFs {}

rustcryptfs-linux/src/lib.rs

@@ -0,0 +1,3 @@
+mod encrypted_filesystem;
+
+pub use encrypted_filesystem::EncryptedFs;