Mount + proper init + sys/proc/tmp

2021-12-01 21:26:11 +01:00
parent eedb9c067f
commit fbdabd66a5
16 changed files with 351 additions and 17 deletions
@@ -0,0 +1,68 @@
+//@ts-check
+const fs =require('fs')
+/**
+ *  @type {{ mount: (device_path: string, mount_point: string, fs: string, flags: number, fsparams: string ) => number }}
+ *///@ts-expect-error
+const nodemount = require("./mount.node")
+/**
+ * @deprecated
+ */
+const cmount = nodemount.mount
+
+
+/* These are the fs-independent mount-flags: up to 16 flags are
+   supported  */
+const flags = {
+    MS_RDONLY: 1,		/* Mount read-only.  */
+    MS_NOSUID: 2,		/* Ignore suid and sgid bits.  */
+    MS_NODEV: 4,			/* Disallow access to device special files.  */
+    MS_NOEXEC: 8,		/* Disallow program execution.  */
+    MS_SYNCHRONOUS: 16,		/* Writes are synced at once.  */
+    MS_REMOUNT: 32,		/* Alter flags of a mounted FS.  */
+    MS_MANDLOCK: 64,		/* Allow mandatory locks on an FS.  */
+    MS_DIRSYNC: 128,		/* Directory modifications are synchronous.  */
+    MS_NOATIME: 1024,		/* Do not update access times.  */
+    MS_NODIRATIME: 2048,		/* Do not update directory access times.  */
+    MS_BIND: 4096,		/* Bind directory at different place.  */
+    MS_MOVE: 8192,
+    MS_REC: 16384,
+    MS_SILENT: 32768,
+    MS_POSIXACL: 1 << 16,	/* VFS does not apply the umask.  */
+    MS_UNBINDABLE: 1 << 17,	/* Change to unbindable.  */
+    MS_PRIVATE: 1 << 18,		/* Change to private.  */
+    MS_SLAVE: 1 << 19,		/* Change to slave.  */
+    MS_SHARED: 1 << 20,		/* Change to shared.  */
+    MS_RELATIME: 1 << 21,	/* Update atime relative to mtime/ctime.  */
+    MS_KERNMOUNT: 1 << 22,	/* This is a kern_mount call.  */
+    MS_I_VERSION:  1 << 23,	/* Update inode I_version field.  */
+    MS_STRICTATIME: 1 << 24,	/* Always perform atime updates.  */
+    MS_LAZYTIME: 1 << 25,	/* Update the on-disk [acm]times lazily.  */
+    MS_ACTIVE: 1 << 30,
+    MS_NOUSER: 1 << 31
+};
+
+/**
+ * @param {string} devicePath
+ * @param {string} mountPoint
+ * @param {string} fstype
+ * @param {number} flags
+ * @param {string} fsparams
+ * @returns {number}
+ */
+function mount(devicePath, mountPoint, fstype, flags, fsparams) {
+    const supportedFilesystems = require('./suportedFilesystems')
+
+    const filesystem = supportedFilesystems.find( v => v.name === fstype)
+    if(! filesystem) {
+        throw "Invalid filesystem"
+    }
+
+    if(! fs.existsSync(devicePath) && filesystem.hasdev)
+        throw "Device don't exist"
+    return cmount(devicePath, mountPoint, fstype, flags, fsparams)
+}
+
+
+
+
+module.exports = { mount, cmount, flags }