Add permissions function peach-config

Cargo.lock

@@ -2415,7 +2415,7 @@ dependencies = [
 
 [[package]]
 name = "peach-config"
-version = "0.1.14"
+version = "0.1.15"
 dependencies = [
  "clap",
  "env_logger 0.6.2",

peach-config/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "peach-config"
-version = "0.1.14"
+version = "0.1.15"
 authors = ["Andrew Reid <gnomad@cryptolab.net>", "Max Fowler <max@mfowler.info>"]
 edition = "2018"
 description = "Command line tool for installing, updating and configuring PeachCloud"

peach-config/src/main.rs

@@ -5,6 +5,7 @@ mod generate_manifest;
 mod setup_networking;
 mod setup_peach;
 mod setup_peach_deb;
+mod set_permissions;
 mod update;
 mod utils;
 
@@ -17,6 +18,7 @@ use crate::change_password::set_peach_web_password;
 use crate::generate_manifest::generate_manifest;
 use crate::setup_peach::setup_peach;
 use crate::update::update;
+use crate::set_permissions::set_permissions;
 
 #[derive(StructOpt, Debug)]
 #[structopt(
@@ -50,6 +52,10 @@ enum PeachConfig {
     /// Changes the password for the peach-web interface
     #[structopt(name = "changepassword")]
     ChangePassword(ChangePasswordOpts),
+
+    /// Updates file permissions on PeachCloud device
+    #[structopt(name = "permissions")]
+    SetPermissions,
 }
 
 #[derive(StructOpt, Debug)]
@@ -124,7 +130,7 @@ fn main() {
                 Ok(_) => {}
                 Err(err) => {
                     error!(
-                        "peach-config countered an error generating manifest: {}",
+                        "peach-config encountered an error generating manifest: {}",
                         err
                     )
                 }
@@ -144,6 +150,15 @@ fn main() {
                     )
                 }
             },
+            PeachConfig::SetPermissions => match set_permissions() {
+                Ok(_) => {}
+                Err(err) => {
+                    error!(
+                        "peach-config ecountered an error updating file permissions: {}",
+                        err
+                    )
+                }
+            }
         }
     }
 }

peach-config/src/set_permissions.rs

@@ -0,0 +1,18 @@
+use crate::error::PeachConfigError;
+use crate::utils::cmd;
+
+/// All configs are stored in this folder, and should be read/writeable by peach group
+/// so they can be read and written by all PeachCloud services.
+pub const CONFIGS_DIR: &str = "/var/lib/peachcloud";
+
+/// Utility function to set correct file permissions on the PeachCloud device.
+/// Accidentally changing file permissions is a fairly common thing to happen,
+/// so this is a useful CLI function for quickly correcting anything that may be out of order.
+pub fn set_permissions() -> Result<(), PeachConfigError> {
+    println!("[ UPDATING FILE PERMISSIONS ON PEACHCLOUD DEVICE ]");
+    cmd(&["chmod", "-R", "660", CONFIGS_DIR])?;
+    cmd(&["chown", "-R", "peach", CONFIGS_DIR])?;
+    cmd(&["chgrp", "-R", "peach", CONFIGS_DIR])?;
+    println!("[ PERMISSIONS SUCCESSFULLY UPDATED ]");
+    Ok(())
+}