Remove .rustfmt.toml and move to standard rustfmt format (4 spaces)

14 files changed, 787 insertions, 869 deletions

diff --git a/.rustfmt.toml b/.rustfmt.toml
deleted file mode 100644
index 37dfe2c..0000000
--- a/.rustfmt.toml
+++ /dev/null
@@ -1,75 +0,0 @@
-unstable_features = true
-
-array_width = 60
-attr_fn_like_width = 70
-binop_separator = "Front"
-blank_lines_lower_bound = 0
-blank_lines_upper_bound = 1
-brace_style = "SameLineWhere"
-chain_width = 60
-color = "Auto"
-combine_control_expr = true
-comment_width = 80
-condense_wildcard_suffixes = true
-control_brace_style = "AlwaysSameLine"
-disable_all_formatting = false
-empty_item_single_line = true
-enum_discrim_align_threshold = 0
-error_on_line_overflow = true
-error_on_unformatted = true
-fn_args_layout = "Tall"
-fn_call_width = 60
-fn_single_line = true
-force_explicit_abi = true
-force_multiline_blocks = false
-format_code_in_doc_comments = true
-# format_generated_files = true
-format_macro_matchers = true
-format_macro_bodies = true
-format_strings = true
-hard_tabs = false
-#hex_literal_case = "Lower"
-hide_parse_errors = false
-ignore = []
-imports_indent = "Block"
-imports_layout = "Mixed"
-indent_style = "Block"
-inline_attribute_width = 0
-license_template_path = ""
-match_arm_blocks = true
-match_arm_leading_pipes = "Never"
-match_block_trailing_comma = false
-max_width = 100
-merge_derives = true
-imports_granularity = "Crate"
-newline_style = "Unix"
-normalize_comments = true
-normalize_doc_attributes = true
-overflow_delimited_expr = false
-remove_nested_parens = true
-reorder_impl_items = true
-reorder_imports = true
-group_imports = "StdExternalCrate"
-reorder_modules = true
-report_fixme = "Unnumbered"
-report_todo = "Unnumbered"
-required_version = "1.4.37"
-skip_children = false
-single_line_if_else_max_width = 50
-space_after_colon = true
-space_before_colon = false
-#space_around_ranges = false
-struct_field_align_threshold = 0
-struct_lit_single_line = true
-struct_lit_width = 18
-struct_variant_width = 35
-tab_spaces = 2
-trailing_comma = "Vertical"
-trailing_semicolon = false
-type_punctuation_density = "Wide"
-use_field_init_shorthand = false
-use_small_heuristics = "Off"
-use_try_shorthand = true
-version = "Two"
-where_single_line = true
-wrap_comments = true
diff --git a/src/config/mod.rs b/src/config/mod.rs
index 45ea975..00577c6 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -5,8 +5,8 @@ mod runtime;
 
 pub use options::{ConfigOpts, ConfigOptsAcme, ConfigOptsBase, ConfigOptsConsul};
 pub use runtime::{
-  RuntimeConfig, RuntimeConfigAcme, RuntimeConfigConsul, RuntimeConfigFirewall, RuntimeConfigIgd,
-  RuntimeConfigStun,
+    RuntimeConfig, RuntimeConfigAcme, RuntimeConfigConsul, RuntimeConfigFirewall, RuntimeConfigIgd,
+    RuntimeConfigStun,
 };
 
 pub const EXPIRATION_TIME: u16 = 300;
diff --git a/src/config/options.rs b/src/config/options.rs
index 08cdd15..100c23c 100644
--- a/src/config/options.rs
+++ b/src/config/options.rs
@@ -11,79 +11,80 @@ use crate::config::RuntimeConfig;
 /// Base configuration options
 #[derive(Clone, Default, Deserialize)]
 pub struct ConfigOptsBase {
-  /// This node's private IP address [default: None]
-  pub private_ip: Option<String>,
-  /// Expiration time for IGD rules [default: 60]
-  pub expiration_time: Option<u16>,
-  /// Refresh time for IGD and Firewall rules [default: 300]
-  pub refresh_time: Option<u16>,
-  /// STUN server [default: stun.nextcloud.com:443]
-  pub stun_server: Option<String>,
+    /// This node's private IP address [default: None]
+    pub private_ip: Option<String>,
+    /// Expiration time for IGD rules [default: 60]
+    pub expiration_time: Option<u16>,
+    /// Refresh time for IGD and Firewall rules [default: 300]
+    pub refresh_time: Option<u16>,
+    /// STUN server [default: stun.nextcloud.com:443]
+    pub stun_server: Option<String>,
 }
 
 /// ACME configuration options
 #[derive(Clone, Default, Deserialize)]
 pub struct ConfigOptsAcme {
-  /// Whether ACME is enabled [default: false]
-  #[serde(default)]
-  pub enable: bool,
+    /// Whether ACME is enabled [default: false]
+    #[serde(default)]
+    pub enable: bool,
 
-  /// The default domain holder's e-mail [default: None]
-  pub email: Option<String>,
+    /// The default domain holder's e-mail [default: None]
+    pub email: Option<String>,
 }
 
 /// Consul configuration options
 #[derive(Clone, Default, Deserialize)]
 pub struct ConfigOptsConsul {
-  /// Consul's node name [default: None]
-  pub node_name: Option<String>,
-  /// Consul's REST URL [default: "http://127.0.0.1:8500"]
-  pub url: Option<String>,
-  /// Consul's CA certificate [default: None]
-  pub ca_cert: Option<String>,
-  /// Skip TLS verification for Consul server [default: false]
-  #[serde(default)]
-  pub tls_skip_verify: bool,
-  /// Consul's client certificate [default: None]
-  pub client_cert: Option<String>,
-  /// Consul's client key [default: None]
-  pub client_key: Option<String>,
+    /// Consul's node name [default: None]
+    pub node_name: Option<String>,
+    /// Consul's REST URL [default: "http://127.0.0.1:8500"]
+    pub url: Option<String>,
+    /// Consul's CA certificate [default: None]
+    pub ca_cert: Option<String>,
+    /// Skip TLS verification for Consul server [default: false]
+    #[serde(default)]
+    pub tls_skip_verify: bool,
+    /// Consul's client certificate [default: None]
+    pub client_cert: Option<String>,
+    /// Consul's client key [default: None]
+    pub client_key: Option<String>,
 }
 
 /// Model of all potential configuration options
 pub struct ConfigOpts {
-  pub base: ConfigOptsBase,
-  pub acme: ConfigOptsAcme,
-  pub consul: ConfigOptsConsul,
+    pub base: ConfigOptsBase,
+    pub acme: ConfigOptsAcme,
+    pub consul: ConfigOptsConsul,
 }
 
 impl ConfigOpts {
-  pub fn from_env() -> Result<RuntimeConfig> {
-    let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_env()?;
-    let consul: ConfigOptsConsul = envy::prefixed("DIPLONAT_CONSUL_").from_env()?;
-    let acme: ConfigOptsAcme = envy::prefixed("DIPLONAT_ACME_").from_env()?;
+    pub fn from_env() -> Result<RuntimeConfig> {
+        let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_env()?;
+        let consul: ConfigOptsConsul = envy::prefixed("DIPLONAT_CONSUL_").from_env()?;
+        let acme: ConfigOptsAcme = envy::prefixed("DIPLONAT_ACME_").from_env()?;
 
-    RuntimeConfig::new(Self {
-      base: base,
-      consul: consul,
-      acme: acme,
-    })
-  }
+        RuntimeConfig::new(Self {
+            base: base,
+            consul: consul,
+            acme: acme,
+        })
+    }
 
-  // Currently only used in tests
-  #[cfg(test)]
-  pub fn from_iter<Iter: Clone>(iter: Iter) -> Result<RuntimeConfig>
-  where
-    Iter: IntoIterator<Item = (String, String)>,
-  {
-    let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_iter(iter.clone())?;
-    let consul: ConfigOptsConsul = envy::prefixed("DIPLONAT_CONSUL_").from_iter(iter.clone())?;
-    let acme: ConfigOptsAcme = envy::prefixed("DIPLONAT_ACME_").from_iter(iter.clone())?;
+    // Currently only used in tests
+    #[cfg(test)]
+    pub fn from_iter<Iter: Clone>(iter: Iter) -> Result<RuntimeConfig>
+    where
+        Iter: IntoIterator<Item = (String, String)>,
+    {
+        let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_iter(iter.clone())?;
+        let consul: ConfigOptsConsul =
+            envy::prefixed("DIPLONAT_CONSUL_").from_iter(iter.clone())?;
+        let acme: ConfigOptsAcme = envy::prefixed("DIPLONAT_ACME_").from_iter(iter.clone())?;
 
-    RuntimeConfig::new(Self {
-      base: base,
-      consul: consul,
-      acme: acme,
-    })
-  }
+        RuntimeConfig::new(Self {
+            base: base,
+            consul: consul,
+            acme: acme,
+        })
+    }
 }
diff --git a/src/config/options_test.rs b/src/config/options_test.rs
index 427b70e..655fb01 100644
--- a/src/config/options_test.rs
+++ b/src/config/options_test.rs
@@ -9,120 +9,118 @@ use crate::config::*;
 // This is why we only test ConfigOpts::from_iter(iter).
 
 fn minimal_valid_options() -> HashMap<String, String> {
-  let mut opts = HashMap::new();
-  opts.insert(
-    "DIPLONAT_CONSUL_NODE_NAME".to_string(),
-    "consul_node".to_string(),
-  );
-  opts
+    let mut opts = HashMap::new();
+    opts.insert(
+        "DIPLONAT_CONSUL_NODE_NAME".to_string(),
+        "consul_node".to_string(),
+    );
+    opts
 }
 
 fn all_valid_options() -> HashMap<String, String> {
-  let mut opts = minimal_valid_options();
-  opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "30".to_string());
-  opts.insert(
-    "DIPLONAT_STUN_SERVER".to_string(),
-    "stun.nextcloud.com:443".to_string(),
-  );
-  opts.insert(
-    "DIPLONAT_PRIVATE_IP".to_string(),
-    "172.123.43.555".to_string(),
-  );
-  opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "10".to_string());
-  opts.insert(
-    "DIPLONAT_CONSUL_URL".to_string(),
-    "http://127.0.0.1:9999".to_string(),
-  );
-  opts.insert("DIPLONAT_ACME_ENABLE".to_string(), "true".to_string());
-  opts.insert(
-    "DIPLONAT_ACME_EMAIL".to_string(),
-    "bozo@bozo.net".to_string(),
-  );
-  opts
+    let mut opts = minimal_valid_options();
+    opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "30".to_string());
+    opts.insert(
+        "DIPLONAT_STUN_SERVER".to_string(),
+        "stun.nextcloud.com:443".to_string(),
+    );
+    opts.insert(
+        "DIPLONAT_PRIVATE_IP".to_string(),
+        "172.123.43.555".to_string(),
+    );
+    opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "10".to_string());
+    opts.insert(
+        "DIPLONAT_CONSUL_URL".to_string(),
+        "http://127.0.0.1:9999".to_string(),
+    );
+    opts.insert("DIPLONAT_ACME_ENABLE".to_string(), "true".to_string());
+    opts.insert(
+        "DIPLONAT_ACME_EMAIL".to_string(),
+        "bozo@bozo.net".to_string(),
+    );
+    opts
 }
 
 #[test]
 #[should_panic]
 fn err_empty_env() {
-  std::env::remove_var("DIPLONAT_CONSUL_NODE_NAME");
-  ConfigOpts::from_env().unwrap();
+    std::env::remove_var("DIPLONAT_CONSUL_NODE_NAME");
+    ConfigOpts::from_env().unwrap();
 }
 
 #[test]
 fn ok_from_iter_minimal_valid_options() {
-  let opts = minimal_valid_options();
-  let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
+    let opts = minimal_valid_options();
+    let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
 
-  assert!(rt_config.acme.is_none());
-  assert_eq!(
-    &rt_config.consul.node_name,
-    opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
-  );
-  assert_eq!(rt_config.consul.url, CONSUL_URL.to_string());
-  assert_eq!(
-    rt_config.firewall.refresh_time,
-    Duration::from_secs(REFRESH_TIME.into())
-  );
-  assert!(rt_config.igd.private_ip.is_none());
-  assert_eq!(
-    rt_config.igd.expiration_time,
-    Duration::from_secs(EXPIRATION_TIME.into())
-  );
-  assert_eq!(
-    rt_config.igd.refresh_time,
-    Duration::from_secs(REFRESH_TIME.into())
-  );
+    assert!(rt_config.acme.is_none());
+    assert_eq!(
+        &rt_config.consul.node_name,
+        opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
+    );
+    assert_eq!(rt_config.consul.url, CONSUL_URL.to_string());
+    assert_eq!(
+        rt_config.firewall.refresh_time,
+        Duration::from_secs(REFRESH_TIME.into())
+    );
+    assert!(rt_config.igd.private_ip.is_none());
+    assert_eq!(
+        rt_config.igd.expiration_time,
+        Duration::from_secs(EXPIRATION_TIME.into())
+    );
+    assert_eq!(
+        rt_config.igd.refresh_time,
+        Duration::from_secs(REFRESH_TIME.into())
+    );
 }
 
 #[test]
 #[should_panic]
 fn err_from_iter_invalid_refresh_time() {
-  let mut opts = minimal_valid_options();
-  opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "60".to_string());
-  opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "60".to_string());
-  ConfigOpts::from_iter(opts).unwrap();
+    let mut opts = minimal_valid_options();
+    opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "60".to_string());
+    opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "60".to_string());
+    ConfigOpts::from_iter(opts).unwrap();
 }
 
 #[test]
 fn ok_from_iter_all_valid_options() {
-  let opts = all_valid_options();
-  let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
+    let opts = all_valid_options();
+    let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
 
-  let expiration_time = Duration::from_secs(
-    opts
-      .get(&"DIPLONAT_EXPIRATION_TIME".to_string())
-      .unwrap()
-      .parse::<u64>()
-      .unwrap()
-      .into(),
-  );
-  let refresh_time = Duration::from_secs(
-    opts
-      .get(&"DIPLONAT_REFRESH_TIME".to_string())
-      .unwrap()
-      .parse::<u64>()
-      .unwrap()
-      .into(),
-  );
+    let expiration_time = Duration::from_secs(
+        opts.get(&"DIPLONAT_EXPIRATION_TIME".to_string())
+            .unwrap()
+            .parse::<u64>()
+            .unwrap()
+            .into(),
+    );
+    let refresh_time = Duration::from_secs(
+        opts.get(&"DIPLONAT_REFRESH_TIME".to_string())
+            .unwrap()
+            .parse::<u64>()
+            .unwrap()
+            .into(),
+    );
 
-  assert!(rt_config.acme.is_some());
-  assert_eq!(
-    &rt_config.acme.unwrap().email,
-    opts.get(&"DIPLONAT_ACME_EMAIL".to_string()).unwrap()
-  );
-  assert_eq!(
-    &rt_config.consul.node_name,
-    opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
-  );
-  assert_eq!(
-    &rt_config.consul.url,
-    opts.get(&"DIPLONAT_CONSUL_URL".to_string()).unwrap()
-  );
-  assert_eq!(rt_config.firewall.refresh_time, refresh_time);
-  assert_eq!(
-    &rt_config.igd.private_ip.unwrap(),
-    opts.get(&"DIPLONAT_PRIVATE_IP".to_string()).unwrap()
-  );
-  assert_eq!(rt_config.igd.expiration_time, expiration_time);
-  assert_eq!(rt_config.igd.refresh_time, refresh_time);
+    assert!(rt_config.acme.is_some());
+    assert_eq!(
+        &rt_config.acme.unwrap().email,
+        opts.get(&"DIPLONAT_ACME_EMAIL".to_string()).unwrap()
+    );
+    assert_eq!(
+        &rt_config.consul.node_name,
+        opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
+    );
+    assert_eq!(
+        &rt_config.consul.url,
+        opts.get(&"DIPLONAT_CONSUL_URL".to_string()).unwrap()
+    );
+    assert_eq!(rt_config.firewall.refresh_time, refresh_time);
+    assert_eq!(
+        &rt_config.igd.private_ip.unwrap(),
+        opts.get(&"DIPLONAT_PRIVATE_IP".to_string()).unwrap()
+    );
+    assert_eq!(rt_config.igd.expiration_time, expiration_time);
+    assert_eq!(rt_config.igd.refresh_time, refresh_time);
 }
diff --git a/src/config/runtime.rs b/src/config/runtime.rs
index f2d2a12..bffea52 100644
--- a/src/config/runtime.rs
+++ b/src/config/runtime.rs
@@ -14,179 +14,182 @@ use crate::config::{ConfigOpts, ConfigOptsAcme, ConfigOptsBase, ConfigOptsConsul
 
 #[derive(Debug)]
 pub struct RuntimeConfigAcme {
-  pub email: String,
+    pub email: String,
 }
 
 #[derive(Debug)]
 pub struct RuntimeConfigConsul {
-  pub node_name: String,
-  pub url: String,
-  pub tls: Option<(Option<reqwest::Certificate>, bool, reqwest::Identity)>,
+    pub node_name: String,
+    pub url: String,
+    pub tls: Option<(Option<reqwest::Certificate>, bool, reqwest::Identity)>,
 }
 
 #[derive(Debug)]
 pub struct RuntimeConfigFirewall {
-  pub refresh_time: Duration,
+    pub refresh_time: Duration,
 }
 
 #[derive(Debug)]
 pub struct RuntimeConfigIgd {
-  pub private_ip: Option<String>,
-  pub expiration_time: Duration,
-  pub refresh_time: Duration,
+    pub private_ip: Option<String>,
+    pub expiration_time: Duration,
+    pub refresh_time: Duration,
 }
 
 #[derive(Debug)]
 pub struct RuntimeConfigStun {
-  pub stun_server_v4: SocketAddr,
-  pub stun_server_v6: SocketAddr,
-  pub refresh_time: Duration,
+    pub stun_server_v4: SocketAddr,
+    pub stun_server_v6: SocketAddr,
+    pub refresh_time: Duration,
 }
 
 #[derive(Debug)]
 pub struct RuntimeConfig {
-  pub acme: Option<RuntimeConfigAcme>,
-  pub consul: RuntimeConfigConsul,
-  pub firewall: RuntimeConfigFirewall,
-  pub igd: RuntimeConfigIgd,
-  pub stun: RuntimeConfigStun,
+    pub acme: Option<RuntimeConfigAcme>,
+    pub consul: RuntimeConfigConsul,
+    pub firewall: RuntimeConfigFirewall,
+    pub igd: RuntimeConfigIgd,
+    pub stun: RuntimeConfigStun,
 }
 
 impl RuntimeConfig {
-  pub fn new(opts: ConfigOpts) -> Result<Self> {
-    let acme = RuntimeConfigAcme::new(opts.acme)?;
-    let consul = RuntimeConfigConsul::new(opts.consul)?;
-    let firewall = RuntimeConfigFirewall::new(&opts.base)?;
-    let igd = RuntimeConfigIgd::new(&opts.base)?;
-    let stun = RuntimeConfigStun::new(&opts.base)?;
-
-    Ok(Self {
-      acme,
-      consul,
-      firewall,
-      igd,
-      stun,
-    })
-  }
+    pub fn new(opts: ConfigOpts) -> Result<Self> {
+        let acme = RuntimeConfigAcme::new(opts.acme)?;
+        let consul = RuntimeConfigConsul::new(opts.consul)?;
+        let firewall = RuntimeConfigFirewall::new(&opts.base)?;
+        let igd = RuntimeConfigIgd::new(&opts.base)?;
+        let stun = RuntimeConfigStun::new(&opts.base)?;
+
+        Ok(Self {
+            acme,
+            consul,
+            firewall,
+            igd,
+            stun,
+        })
+    }
 }
 
 impl RuntimeConfigAcme {
-  pub fn new(opts: ConfigOptsAcme) -> Result<Option<Self>> {
-    if !opts.enable {
-      return Ok(None);
-    }
+    pub fn new(opts: ConfigOptsAcme) -> Result<Option<Self>> {
+        if !opts.enable {
+            return Ok(None);
+        }
 
-    let email = opts.email.expect(
+        let email = opts.email.expect(
       "'DIPLONAT_ACME_EMAIL' environment variable is required if 'DIPLONAT_ACME_ENABLE' == 'true'",
     );
 
-    Ok(Some(Self { email }))
-  }
+        Ok(Some(Self { email }))
+    }
 }
 
 impl RuntimeConfigConsul {
-  pub(super) fn new(opts: ConfigOptsConsul) -> Result<Self> {
-    let node_name = opts
-      .node_name
-      .expect("'DIPLONAT_CONSUL_NODE_NAME' environment variable is required");
-    let url = opts.url.unwrap_or(super::CONSUL_URL.to_string());
-
-    let tls = match (&opts.client_cert, &opts.client_key) {
-      (Some(client_cert), Some(client_key)) => {
-        let cert = match &opts.ca_cert {
-          Some(ca_cert) => {
-            let mut ca_cert_buf = vec![];
-            File::open(ca_cert)?.read_to_end(&mut ca_cert_buf)?;
-            Some(reqwest::Certificate::from_pem(&ca_cert_buf[..])?)
-          }
-          None => None,
+    pub(super) fn new(opts: ConfigOptsConsul) -> Result<Self> {
+        let node_name = opts
+            .node_name
+            .expect("'DIPLONAT_CONSUL_NODE_NAME' environment variable is required");
+        let url = opts.url.unwrap_or(super::CONSUL_URL.to_string());
+
+        let tls = match (&opts.client_cert, &opts.client_key) {
+            (Some(client_cert), Some(client_key)) => {
+                let cert = match &opts.ca_cert {
+                    Some(ca_cert) => {
+                        let mut ca_cert_buf = vec![];
+                        File::open(ca_cert)?.read_to_end(&mut ca_cert_buf)?;
+                        Some(reqwest::Certificate::from_pem(&ca_cert_buf[..])?)
+                    }
+                    None => None,
+                };
+
+                let mut client_cert_buf = vec![];
+                File::open(client_cert)?.read_to_end(&mut client_cert_buf)?;
+
+                let mut client_key_buf = vec![];
+                File::open(client_key)?.read_to_end(&mut client_key_buf)?;
+
+                let ident = reqwest::Identity::from_pem(
+                    &[&client_cert_buf[..], &client_key_buf[..]].concat()[..],
+                )?;
+
+                Some((cert, opts.tls_skip_verify, ident))
+            }
+            (None, None) => None,
+            _ => bail!("Incomplete TLS configuration parameters"),
         };
 
-        let mut client_cert_buf = vec![];
-        File::open(client_cert)?.read_to_end(&mut client_cert_buf)?;
-
-        let mut client_key_buf = vec![];
-        File::open(client_key)?.read_to_end(&mut client_key_buf)?;
-
-        let ident =
-          reqwest::Identity::from_pem(&[&client_cert_buf[..], &client_key_buf[..]].concat()[..])?;
-
-        Some((cert, opts.tls_skip_verify, ident))
-      }
-      (None, None) => None,
-      _ => bail!("Incomplete TLS configuration parameters"),
-    };
-
-    Ok(Self {
-      node_name,
-      url,
-      tls,
-    })
-  }
+        Ok(Self {
+            node_name,
+            url,
+            tls,
+        })
+    }
 }
 
 impl RuntimeConfigFirewall {
-  pub(super) fn new(opts: &ConfigOptsBase) -> Result<Self> {
-    let refresh_time = Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
+    pub(super) fn new(opts: &ConfigOptsBase) -> Result<Self> {
+        let refresh_time =
+            Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
 
-    Ok(Self { refresh_time })
-  }
+        Ok(Self { refresh_time })
+    }
 }
 
 impl RuntimeConfigIgd {
-  pub(super) fn new(opts: &ConfigOptsBase) -> Result<Self> {
-    let private_ip = opts.private_ip.clone();
-    let expiration_time = Duration::from_secs(
-      opts
-        .expiration_time
-        .unwrap_or(super::EXPIRATION_TIME)
-        .into(),
-    );
-    let refresh_time = Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
-
-    if refresh_time.as_secs() * 2 > expiration_time.as_secs() {
-      return Err(anyhow!(
+    pub(super) fn new(opts: &ConfigOptsBase) -> Result<Self> {
+        let private_ip = opts.private_ip.clone();
+        let expiration_time = Duration::from_secs(
+            opts.expiration_time
+                .unwrap_or(super::EXPIRATION_TIME)
+                .into(),
+        );
+        let refresh_time =
+            Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
+
+        if refresh_time.as_secs() * 2 > expiration_time.as_secs() {
+            return Err(anyhow!(
         "IGD expiration time (currently: {}s) must be at least twice bigger than refresh time \
          (currently: {}s)",
         expiration_time.as_secs(),
         refresh_time.as_secs()
       ));
-    }
+        }
 
-    Ok(Self {
-      private_ip,
-      expiration_time,
-      refresh_time,
-    })
-  }
+        Ok(Self {
+            private_ip,
+            expiration_time,
+            refresh_time,
+        })
+    }
 }
 
 impl RuntimeConfigStun {
-  pub(super) fn new(opts: &ConfigOptsBase) -> Result<Self> {
-    let mut stun_server_v4 = None;
-    let mut stun_server_v6 = None;
-    for addr in opts
-      .stun_server
-      .as_deref()
-      .unwrap_or(super::STUN_SERVER)
-      .to_socket_addrs()?
-    {
-      if addr.is_ipv4() {
-        stun_server_v4 = Some(addr);
-      }
-      if addr.is_ipv6() {
-        stun_server_v6 = Some(addr);
-      }
+    pub(super) fn new(opts: &ConfigOptsBase) -> Result<Self> {
+        let mut stun_server_v4 = None;
+        let mut stun_server_v6 = None;
+        for addr in opts
+            .stun_server
+            .as_deref()
+            .unwrap_or(super::STUN_SERVER)
+            .to_socket_addrs()?
+        {
+            if addr.is_ipv4() {
+                stun_server_v4 = Some(addr);
+            }
+            if addr.is_ipv6() {
+                stun_server_v6 = Some(addr);
+            }
+        }
+
+        let refresh_time =
+            Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
+
+        Ok(Self {
+            stun_server_v4: stun_server_v4
+                .ok_or(anyhow!("Unable to resolve STUN server's IPv4 address"))?,
+            stun_server_v6: stun_server_v6
+                .ok_or(anyhow!("Unable to resolve STUN server's IPv6 address"))?,
+            refresh_time,
+        })
     }
-
-    let refresh_time = Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
-
-    Ok(Self {
-      stun_server_v4: stun_server_v4
-        .ok_or(anyhow!("Unable to resolve STUN server's IPv4 address"))?,
-      stun_server_v6: stun_server_v6
-        .ok_or(anyhow!("Unable to resolve STUN server's IPv6 address"))?,
-      refresh_time,
-    })
-  }
 }
diff --git a/src/consul.rs b/src/consul.rs
index e31033c..7f695b2 100644
--- a/src/consul.rs
+++ b/src/consul.rs
@@ -7,80 +7,80 @@ use crate::config::RuntimeConfigConsul;
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct ServiceEntry {
-  #[serde(rename = "Tags")]
-  pub tags: Vec<String>,
+    #[serde(rename = "Tags")]
+    pub tags: Vec<String>,
 }
 
 #[derive(Serialize, Deserialize, Debug, Default)]
 pub struct CatalogNode {
-  #[serde(rename = "Services")]
-  pub services: HashMap<String, ServiceEntry>,
+    #[serde(rename = "Services")]
+    pub services: HashMap<String, ServiceEntry>,
 }
 
 pub struct Consul {
-  client: reqwest::Client,
-  url: String,
-  idx: Option<u64>,
+    client: reqwest::Client,
+    url: String,
+    idx: Option<u64>,
 }
 
 impl Consul {
-  pub fn new(config: &RuntimeConfigConsul) -> Self {
-    let client = if let Some((ca, skip_verify, ident)) = config.tls.clone() {
-      if skip_verify {
-        reqwest::Client::builder()
-          .use_rustls_tls()
-          .danger_accept_invalid_certs(true)
-          .identity(ident)
-          .build()
-          .expect("Unable to build reqwest client")
-      } else if let Some(ca) = ca {
-        reqwest::Client::builder()
-          .use_rustls_tls()
-          .add_root_certificate(ca)
-          .identity(ident)
-          .build()
-          .expect("Unable to build reqwest client")
-      } else {
-        reqwest::Client::builder()
-          .use_rustls_tls()
-          .identity(ident)
-          .build()
-          .expect("Unable to build reqwest client")
-      }
-    } else {
-      reqwest::Client::new()
-    };
-    return Self {
-      client,
-      url: config.url.clone(),
-      idx: None,
-    };
-  }
+    pub fn new(config: &RuntimeConfigConsul) -> Self {
+        let client = if let Some((ca, skip_verify, ident)) = config.tls.clone() {
+            if skip_verify {
+                reqwest::Client::builder()
+                    .use_rustls_tls()
+                    .danger_accept_invalid_certs(true)
+                    .identity(ident)
+                    .build()
+                    .expect("Unable to build reqwest client")
+            } else if let Some(ca) = ca {
+                reqwest::Client::builder()
+                    .use_rustls_tls()
+                    .add_root_certificate(ca)
+                    .identity(ident)
+                    .build()
+                    .expect("Unable to build reqwest client")
+            } else {
+                reqwest::Client::builder()
+                    .use_rustls_tls()
+                    .identity(ident)
+                    .build()
+                    .expect("Unable to build reqwest client")
+            }
+        } else {
+            reqwest::Client::new()
+        };
+        return Self {
+            client,
+            url: config.url.clone(),
+            idx: None,
+        };
+    }
 
-  pub fn watch_node_reset(&mut self) -> () {
-    self.idx = None;
-  }
+    pub fn watch_node_reset(&mut self) -> () {
+        self.idx = None;
+    }
 
-  pub async fn watch_node(&mut self, host: &str) -> Result<CatalogNode> {
-    let url = match self.idx {
-      Some(i) => format!("{}/v1/catalog/node/{}?index={}", self.url, host, i),
-      None => format!("{}/v1/catalog/node/{}", self.url, host),
-    };
+    pub async fn watch_node(&mut self, host: &str) -> Result<CatalogNode> {
+        let url = match self.idx {
+            Some(i) => format!("{}/v1/catalog/node/{}?index={}", self.url, host, i),
+            None => format!("{}/v1/catalog/node/{}", self.url, host),
+        };
 
-    let http = self.client.get(&url).send().await?;
-    self.idx = match http.headers().get("X-Consul-Index") {
-      Some(v) => Some(v.to_str()?.parse::<u64>()?),
-      None => return Err(anyhow!("X-Consul-Index header not found")),
-    };
+        let http = self.client.get(&url).send().await?;
+        self.idx = match http.headers().get("X-Consul-Index") {
+            Some(v) => Some(v.to_str()?.parse::<u64>()?),
+            None => return Err(anyhow!("X-Consul-Index header not found")),
+        };
 
-    let resp: Option<CatalogNode> = http.json().await?;
-    return Ok(resp.unwrap_or_default());
-  }
+        let resp: Option<CatalogNode> = http.json().await?;
+        return Ok(resp.unwrap_or_default());
+    }
 
-  pub async fn kv_put(&self, key: &str, bytes: Vec<u8>) -> Result<()> {
-    let url = format!("{}/v1/kv/{}", self.url, key);
-    let http = self.client.put(&url).body(bytes).send().await?;
-    http.error_for_status()?;
-    Ok(())
-  }
+    pub async fn kv_put(&self, key: &str, bytes: Vec<u8>) -> Result<()> {
+        let url = format!("{}/v1/kv/{}", self.url, key);
+        let http = self.client.put(&url).body(bytes).send().await?;
+        http.error_for_status()?;
+        Ok(())
+    }
 }
diff --git a/src/consul_actor.rs b/src/consul_actor.rs
index e4296e7..c099215 100644
--- a/src/consul_actor.rs
+++ b/src/consul_actor.rs
@@ -11,110 +11,110 @@ use crate::{consul, messages};
 
 #[derive(Serialize, Deserialize, Debug)]
 pub enum DiplonatParameter {
-  #[serde(rename = "tcp_port")]
-  TcpPort(HashSet<u16>),
-  #[serde(rename = "udp_port")]
-  UdpPort(HashSet<u16>),
+    #[serde(rename = "tcp_port")]
+    TcpPort(HashSet<u16>),
+    #[serde(rename = "udp_port")]
+    UdpPort(HashSet<u16>),
 }
 
 #[derive(Serialize, Deserialize, Debug)]
 pub enum DiplonatConsul {
-  #[serde(rename = "diplonat")]
-  Diplonat(Vec<DiplonatParameter>),
+    #[serde(rename = "diplonat")]
+    Diplonat(Vec<DiplonatParameter>),
 }
 
 pub struct ConsulActor {
-  pub rx_open_ports: watch::Receiver<messages::PublicExposedPorts>,
+    pub rx_open_ports: watch::Receiver<messages::PublicExposedPorts>,
 
-  consul: consul::Consul,
-  node: String,
-  retries: u32,
-  tx_open_ports: watch::Sender<messages::PublicExposedPorts>,
+    consul: consul::Consul,
+    node: String,
+    retries: u32,
+    tx_open_ports: watch::Sender<messages::PublicExposedPorts>,
 }
 
 fn retry_to_time(retries: u32, max_time: Duration) -> Duration {
-  // 1.2^x seems to be a good value to exponentially increase time at a good pace
-  // eg. 1.2^32 = 341 seconds ~= 5 minutes - ie. after 32 retries we wait 5
-  // minutes
-  return Duration::from_secs(cmp::min(
-    max_time.as_secs(),
-    1.2f64.powf(retries as f64) as u64,
-  ));
+    // 1.2^x seems to be a good value to exponentially increase time at a good pace
+    // eg. 1.2^32 = 341 seconds ~= 5 minutes - ie. after 32 retries we wait 5
+    // minutes
+    return Duration::from_secs(cmp::min(
+        max_time.as_secs(),
+        1.2f64.powf(retries as f64) as u64,
+    ));
 }
 
 fn to_parameters(catalog: &consul::CatalogNode) -> Vec<DiplonatConsul> {
-  let mut r = Vec::new();
-
-  for (_, service_info) in &catalog.services {
-    for tag in &service_info.tags {
-      let diplo_conf: error::Result<DiplonatConsul> = from_str(tag);
-      match diplo_conf {
-        Ok(conf) => r.push(conf),
-        Err(e) => debug!("Failed to parse entry {}. {}", tag, e),
-      };
+    let mut r = Vec::new();
+
+    for (_, service_info) in &catalog.services {
+        for tag in &service_info.tags {
+            let diplo_conf: error::Result<DiplonatConsul> = from_str(tag);
+            match diplo_conf {
+                Ok(conf) => r.push(conf),
+                Err(e) => debug!("Failed to parse entry {}. {}", tag, e),
+            };
+        }
     }
-  }
 
-  return r;
+    return r;
 }
 
 fn to_open_ports(params: &Vec<DiplonatConsul>) -> messages::PublicExposedPorts {
-  let mut op = messages::PublicExposedPorts {
-    tcp_ports: HashSet::new(),
-    udp_ports: HashSet::new(),
-  };
-
-  for conf in params {
-    let DiplonatConsul::Diplonat(c) = conf;
-    for parameter in c {
-      match parameter {
-        DiplonatParameter::TcpPort(p) => op.tcp_ports.extend(p),
-        DiplonatParameter::UdpPort(p) => op.udp_ports.extend(p),
-      };
+    let mut op = messages::PublicExposedPorts {
+        tcp_ports: HashSet::new(),
+        udp_ports: HashSet::new(),
+    };
+
+    for conf in params {
+        let DiplonatConsul::Diplonat(c) = conf;
+        for parameter in c {
+            match parameter {
+                DiplonatParameter::TcpPort(p) => op.tcp_ports.extend(p),
+                DiplonatParameter::UdpPort(p) => op.udp_ports.extend(p),
+            };
+        }
     }
-  }
 
-  return op;
+    return op;
 }
 
 impl ConsulActor {
-  pub fn new(config: &RuntimeConfigConsul, node: &str) -> Self {
-    let (tx, rx) = watch::channel(messages::PublicExposedPorts {
-      tcp_ports: HashSet::new(),
-      udp_ports: HashSet::new(),
-    });
-
-    return Self {
-      consul: consul::Consul::new(config),
-      rx_open_ports: rx,
-      tx_open_ports: tx,
-      node: node.to_string(),
-      retries: 0,
-    };
-  }
-
-  pub async fn listen(&mut self) -> Result<()> {
-    loop {
-      let catalog = match self.consul.watch_node(&self.node).await {
-        Ok(c) => c,
-        Err(e) => {
-          self.consul.watch_node_reset();
-          self.retries = cmp::min(std::u32::MAX - 1, self.retries) + 1;
-          let will_retry_in = retry_to_time(self.retries, Duration::from_secs(600));
-          error!(
-            "Failed to query consul. Will retry in {}s. {}",
-            will_retry_in.as_secs(),
-            e
-          );
-          sleep(will_retry_in).await;
-          continue;
-        }
-      };
-      self.retries = 0;
-      let msg = to_open_ports(&to_parameters(&catalog));
-      debug!("Extracted configuration: {:#?}", msg);
+    pub fn new(config: &RuntimeConfigConsul, node: &str) -> Self {
+        let (tx, rx) = watch::channel(messages::PublicExposedPorts {
+            tcp_ports: HashSet::new(),
+            udp_ports: HashSet::new(),
+        });
+
+        return Self {
+            consul: consul::Consul::new(config),
+            rx_open_ports: rx,
+            tx_open_ports: tx,
+            node: node.to_string(),
+            retries: 0,
+        };
+    }
 
-      self.tx_open_ports.send(msg)?;
+    pub async fn listen(&mut self) -> Result<()> {
+        loop {
+            let catalog = match self.consul.watch_node(&self.node).await {
+                Ok(c) => c,
+                Err(e) => {
+                    self.consul.watch_node_reset();
+                    self.retries = cmp::min(std::u32::MAX - 1, self.retries) + 1;
+                    let will_retry_in = retry_to_time(self.retries, Duration::from_secs(600));
+                    error!(
+                        "Failed to query consul. Will retry in {}s. {}",
+                        will_retry_in.as_secs(),
+                        e
+                    );
+                    sleep(will_retry_in).await;
+                    continue;
+                }
+            };
+            self.retries = 0;
+            let msg = to_open_ports(&to_parameters(&catalog));
+            debug!("Extracted configuration: {:#?}", msg);
+
+            self.tx_open_ports.send(msg)?;
+        }
     }
-  }
 }
diff --git a/src/diplonat.rs b/src/diplonat.rs
index 4252f43..604227c 100644
--- a/src/diplonat.rs
+++ b/src/diplonat.rs
@@ -2,54 +2,54 @@ use anyhow::Result;
 use tokio::try_join;
 
 use crate::{
-  config::ConfigOpts, consul_actor::ConsulActor, fw_actor::FirewallActor, igd_actor::IgdActor,
-  stun_actor::StunActor,
+    config::ConfigOpts, consul_actor::ConsulActor, fw_actor::FirewallActor, igd_actor::IgdActor,
+    stun_actor::StunActor,
 };
 
 pub struct Diplonat {
-  consul: ConsulActor,
-  firewall: FirewallActor,
-  igd: IgdActor,
-  stun: StunActor,
+    consul: ConsulActor,
+    firewall: FirewallActor,
+    igd: IgdActor,
+    stun: StunActor,
 }
 
 impl Diplonat {
-  pub async fn new() -> Result<Self> {
-    let rt_cfg = ConfigOpts::from_env()?;
-    println!("{:#?}", rt_cfg);
-
-    let ca = ConsulActor::new(&rt_cfg.consul, &rt_cfg.consul.node_name);
-
-    let fw = FirewallActor::new(rt_cfg.firewall.refresh_time, &ca.rx_open_ports).await?;
-
-    let ia = IgdActor::new(
-      rt_cfg.igd.private_ip.as_ref().map(String::as_str),
-      rt_cfg.igd.refresh_time,
-      rt_cfg.igd.expiration_time,
-      &ca.rx_open_ports,
-    )
-    .await?;
-
-    let sa = StunActor::new(&rt_cfg.consul, &rt_cfg.stun, &rt_cfg.consul.node_name);
-
-    let ctx = Self {
-      consul: ca,
-      igd: ia,
-      firewall: fw,
-      stun: sa,
-    };
-
-    Ok(ctx)
-  }
-
-  pub async fn listen(&mut self) -> Result<()> {
-    try_join!(
-      self.consul.listen(),
-      self.igd.listen(),
-      self.firewall.listen(),
-      self.stun.listen(),
-    )?;
-
-    Ok(())
-  }
+    pub async fn new() -> Result<Self> {
+        let rt_cfg = ConfigOpts::from_env()?;
+        println!("{:#?}", rt_cfg);
+
+        let ca = ConsulActor::new(&rt_cfg.consul, &rt_cfg.consul.node_name);
+
+        let fw = FirewallActor::new(rt_cfg.firewall.refresh_time, &ca.rx_open_ports).await?;
+
+        let ia = IgdActor::new(
+            rt_cfg.igd.private_ip.as_ref().map(String::as_str),
+            rt_cfg.igd.refresh_time,
+            rt_cfg.igd.expiration_time,
+            &ca.rx_open_ports,
+        )
+        .await?;
+
+        let sa = StunActor::new(&rt_cfg.consul, &rt_cfg.stun, &rt_cfg.consul.node_name);
+
+        let ctx = Self {
+            consul: ca,
+            igd: ia,
+            firewall: fw,
+            stun: sa,
+        };
+
+        Ok(ctx)
+    }
+
+    pub async fn listen(&mut self) -> Result<()> {
+        try_join!(
+            self.consul.listen(),
+            self.igd.listen(),
+            self.firewall.listen(),
+            self.stun.listen(),
+        )?;
+
+        Ok(())
+    }
 }
diff --git a/src/fw.rs b/src/fw.rs
index f416e6a..6745b3f 100644
--- a/src/fw.rs
+++ b/src/fw.rs
@@ -8,96 +8,89 @@ use regex::Regex;
 use crate::messages;
 
 pub fn setup(ipt: &iptables::IPTables) -> Result<()> {
-  // ensure we start from a clean state without any rule already set
-  cleanup(ipt)?;
-
-  info!("{}: creating DIPLONAT chain using", ipt.cmd);
-  ipt
-    .new_chain("filter", "DIPLONAT")
-    .context("Failed to create new chain")?;
-  ipt
-    .insert_unique("filter", "INPUT", "-j DIPLONAT", 1)
-    .context("Failed to insert jump rule")?;
-
-  Ok(())
+    // ensure we start from a clean state without any rule already set
+    cleanup(ipt)?;
+
+    info!("{}: creating DIPLONAT chain using", ipt.cmd);
+    ipt.new_chain("filter", "DIPLONAT")
+        .context("Failed to create new chain")?;
+    ipt.insert_unique("filter", "INPUT", "-j DIPLONAT", 1)
+        .context("Failed to insert jump rule")?;
+
+    Ok(())
 }
 
 pub fn open_ports(ipt: &iptables::IPTables, ports: messages::PublicExposedPorts) -> Result<()> {
-  for p in ports.tcp_ports {
-    info!("{}: opening TCP port {}", ipt.cmd, p);
-    ipt
-      .append(
-        "filter",
-        "DIPLONAT",
-        &format!("-p tcp --dport {} -j ACCEPT", p),
-      )
-      .context("Failed to insert port rule")?;
-  }
-
-  for p in ports.udp_ports {
-    info!("{}: opening UDP port {}", ipt.cmd, p);
-    ipt
-      .append(
-        "filter",
-        "DIPLONAT",
-        &format!("-p udp --dport {} -j ACCEPT", p),
-      )
-      .context("Failed to insert port rule")?;
-  }
-
-  Ok(())
+    for p in ports.tcp_ports {
+        info!("{}: opening TCP port {}", ipt.cmd, p);
+        ipt.append(
+            "filter",
+            "DIPLONAT",
+            &format!("-p tcp --dport {} -j ACCEPT", p),
+        )
+        .context("Failed to insert port rule")?;
+    }
+
+    for p in ports.udp_ports {
+        info!("{}: opening UDP port {}", ipt.cmd, p);
+        ipt.append(
+            "filter",
+            "DIPLONAT",
+            &format!("-p udp --dport {} -j ACCEPT", p),
+        )
+        .context("Failed to insert port rule")?;
+    }
+
+    Ok(())
 }
 
 pub fn get_opened_ports(ipt: &iptables::IPTables) -> Result<messages::PublicExposedPorts> {
-  let mut ports = messages::PublicExposedPorts {
-    tcp_ports: HashSet::new(),
-    udp_ports: HashSet::new(),
-  };
-
-  let list = ipt.list("filter", "DIPLONAT")?;
-  let re = Regex::new(r"\-A.*? \-p (\w+).*\-\-dport (\d+).*?\-j ACCEPT")
-    .context("Regex matching open ports encountered an unexpected rule")?;
-  for i in list {
-    let caps = re.captures(&i);
-    match caps {
-      Some(c) => {
-        if let (Some(raw_proto), Some(raw_port)) = (c.get(1), c.get(2)) {
-          let proto = String::from(raw_proto.as_str());
-          let number = String::from(raw_port.as_str()).parse::<u16>()?;
-
-          if proto == "tcp" {
-            ports.tcp_ports.insert(number);
-          } else {
-            ports.udp_ports.insert(number);
-          }
-        } else {
-          error!("Unexpected rule found in DIPLONAT chain")
+    let mut ports = messages::PublicExposedPorts {
+        tcp_ports: HashSet::new(),
+        udp_ports: HashSet::new(),
+    };
+
+    let list = ipt.list("filter", "DIPLONAT")?;
+    let re = Regex::new(r"\-A.*? \-p (\w+).*\-\-dport (\d+).*?\-j ACCEPT")
+        .context("Regex matching open ports encountered an unexpected rule")?;
+    for i in list {
+        let caps = re.captures(&i);
+        match caps {
+            Some(c) => {
+                if let (Some(raw_proto), Some(raw_port)) = (c.get(1), c.get(2)) {
+                    let proto = String::from(raw_proto.as_str());
+                    let number = String::from(raw_port.as_str()).parse::<u16>()?;
+
+                    if proto == "tcp" {
+                        ports.tcp_ports.insert(number);
+                    } else {
+                        ports.udp_ports.insert(number);
+                    }
+                } else {
+                    error!("Unexpected rule found in DIPLONAT chain")
+                }
+            }
+            _ => {}
         }
-      }
-      _ => {}
     }
-  }
 
-  Ok(ports)
+    Ok(ports)
 }
 
 pub fn cleanup(ipt: &iptables::IPTables) -> Result<()> {
-  if ipt.chain_exists("filter", "DIPLONAT")? {
-    info!("{}: removing old DIPLONAT chain", ipt.cmd);
-    ipt
-      .flush_chain("filter", "DIPLONAT")
-      .context("Failed to flush the DIPLONAT chain")?;
-
-    if ipt.exists("filter", "INPUT", "-j DIPLONAT")? {
-      ipt
-        .delete("filter", "INPUT", "-j DIPLONAT")
-        .context("Failed to delete jump rule")?;
-    }
+    if ipt.chain_exists("filter", "DIPLONAT")? {
+        info!("{}: removing old DIPLONAT chain", ipt.cmd);
+        ipt.flush_chain("filter", "DIPLONAT")
+            .context("Failed to flush the DIPLONAT chain")?;
+
+        if ipt.exists("filter", "INPUT", "-j DIPLONAT")? {
+            ipt.delete("filter", "INPUT", "-j DIPLONAT")
+                .context("Failed to delete jump rule")?;
+        }
 
-    ipt
-      .delete_chain("filter", "DIPLONAT")
-      .context("Failed to delete chain")?;
-  }
+        ipt.delete_chain("filter", "DIPLONAT")
+            .context("Failed to delete chain")?;
+    }
 
-  Ok(())
+    Ok(())
 }
diff --git a/src/fw_actor.rs b/src/fw_actor.rs
index 518c1b8..fe68381 100644
--- a/src/fw_actor.rs
+++ b/src/fw_actor.rs
@@ -4,88 +4,88 @@ use anyhow::Result;
 use iptables;
 use log::*;
 use tokio::{
-  select,
-  sync::watch,
-  time::{self, Duration},
+    select,
+    sync::watch,
+    time::{self, Duration},
 };
 
 use crate::{fw, messages};
 
 pub struct FirewallActor {
-  pub ipt_v4: iptables::IPTables,
-  pub ipt_v6: iptables::IPTables,
-  rx_ports: watch::Receiver<messages::PublicExposedPorts>,
-  last_ports: messages::PublicExposedPorts,
-  refresh: Duration,
+    pub ipt_v4: iptables::IPTables,
+    pub ipt_v6: iptables::IPTables,
+    rx_ports: watch::Receiver<messages::PublicExposedPorts>,
+    last_ports: messages::PublicExposedPorts,
+    refresh: Duration,
 }
 
 impl FirewallActor {
-  pub async fn new(
-    refresh: Duration,
-    rxp: &watch::Receiver<messages::PublicExposedPorts>,
-  ) -> Result<Self> {
-    let ctx = Self {
-      ipt_v4: iptables::new(false)?,
-      ipt_v6: iptables::new(true)?,
-      rx_ports: rxp.clone(),
-      last_ports: messages::PublicExposedPorts::new(),
-      refresh,
-    };
+    pub async fn new(
+        refresh: Duration,
+        rxp: &watch::Receiver<messages::PublicExposedPorts>,
+    ) -> Result<Self> {
+        let ctx = Self {
+            ipt_v4: iptables::new(false)?,
+            ipt_v6: iptables::new(true)?,
+            rx_ports: rxp.clone(),
+            last_ports: messages::PublicExposedPorts::new(),
+            refresh,
+        };
 
-    fw::setup(&ctx.ipt_v4)?;
-    fw::setup(&ctx.ipt_v6)?;
+        fw::setup(&ctx.ipt_v4)?;
+        fw::setup(&ctx.ipt_v6)?;
 
-    return Ok(ctx);
-  }
+        return Ok(ctx);
+    }
 
-  pub async fn listen(&mut self) -> Result<()> {
-    let mut interval = time::interval(self.refresh);
-    loop {
-      // 1. Wait for an event
-      let new_ports = select! {
-        _ = self.rx_ports.changed() => Some(self.rx_ports.borrow().clone()),
-        _ = interval.tick() => None,
-        else => return Ok(()) // Sender dropped, terminate loop.
-      };
+    pub async fn listen(&mut self) -> Result<()> {
+        let mut interval = time::interval(self.refresh);
+        loop {
+            // 1. Wait for an event
+            let new_ports = select! {
+              _ = self.rx_ports.changed() => Some(self.rx_ports.borrow().clone()),
+              _ = interval.tick() => None,
+              else => return Ok(()) // Sender dropped, terminate loop.
+            };
 
-      // 2. Update last ports if needed
-      if let Some(p) = new_ports {
-        self.last_ports = p;
-      }
+            // 2. Update last ports if needed
+            if let Some(p) = new_ports {
+                self.last_ports = p;
+            }
 
-      // 3. Update firewall rules
-      match self.do_fw_update().await {
-        Ok(()) => debug!("Successfully updated firewall rules"),
-        Err(e) => error!("An error occured while updating firewall rules. {}", e),
-      }
+            // 3. Update firewall rules
+            match self.do_fw_update().await {
+                Ok(()) => debug!("Successfully updated firewall rules"),
+                Err(e) => error!("An error occured while updating firewall rules. {}", e),
+            }
+        }
     }
-  }
 
-  pub async fn do_fw_update(&self) -> Result<()> {
-    for ipt in [&self.ipt_v4, &self.ipt_v6] {
-      let curr_opened_ports = fw::get_opened_ports(ipt)?;
+    pub async fn do_fw_update(&self) -> Result<()> {
+        for ipt in [&self.ipt_v4, &self.ipt_v6] {
+            let curr_opened_ports = fw::get_opened_ports(ipt)?;
 
-      let diff_tcp = self
-        .last_ports
-        .tcp_ports
-        .difference(&curr_opened_ports.tcp_ports)
-        .copied()
-        .collect::<HashSet<u16>>();
-      let diff_udp = self
-        .last_ports
-        .udp_ports
-        .difference(&curr_opened_ports.udp_ports)
-        .copied()
-        .collect::<HashSet<u16>>();
+            let diff_tcp = self
+                .last_ports
+                .tcp_ports
+                .difference(&curr_opened_ports.tcp_ports)
+                .copied()
+                .collect::<HashSet<u16>>();
+            let diff_udp = self
+                .last_ports
+                .udp_ports
+                .difference(&curr_opened_ports.udp_ports)
+                .copied()
+                .collect::<HashSet<u16>>();
 
-      let ports_to_open = messages::PublicExposedPorts {
-        tcp_ports: diff_tcp,
-        udp_ports: diff_udp,
-      };
+            let ports_to_open = messages::PublicExposedPorts {
+                tcp_ports: diff_tcp,
+                udp_ports: diff_udp,
+            };
 
-      fw::open_ports(ipt, ports_to_open)?;
-    }
+            fw::open_ports(ipt, ports_to_open)?;
+        }
 
-    return Ok(());
-  }
+        return Ok(());
+    }
 }
diff --git a/src/igd_actor.rs b/src/igd_actor.rs
index 68f4217..a75395d 100644
--- a/src/igd_actor.rs
+++ b/src/igd_actor.rs
@@ -4,124 +4,123 @@ use anyhow::{Context, Result};
 use igd::{aio::*, PortMappingProtocol};
 use log::*;
 use tokio::{
-  select,
-  sync::watch,
-  time::{self, Duration},
+    select,
+    sync::watch,
+    time::{self, Duration},
 };
 
 use crate::messages;
 
 pub struct IgdActor {
-  last_ports: messages::PublicExposedPorts,
-  rx_ports: watch::Receiver<messages::PublicExposedPorts>,
-  gateway: Gateway,
-  refresh: Duration,
-  expire: Duration,
-  private_ip: String,
+    last_ports: messages::PublicExposedPorts,
+    rx_ports: watch::Receiver<messages::PublicExposedPorts>,
+    gateway: Gateway,
+    refresh: Duration,
+    expire: Duration,
+    private_ip: String,
 }
 
 impl IgdActor {
-  pub async fn new(
-    priv_ip: Option<&str>,
-    refresh: Duration,
-    expire: Duration,
-    rxp: &watch::Receiver<messages::PublicExposedPorts>,
-  ) -> Result<Self> {
-    let gw = search_gateway(Default::default())
-      .await
-      .context("Failed to find IGD gateway")?;
-    info!("IGD gateway: {}", gw);
+    pub async fn new(
+        priv_ip: Option<&str>,
+        refresh: Duration,
+        expire: Duration,
+        rxp: &watch::Receiver<messages::PublicExposedPorts>,
+    ) -> Result<Self> {
+        let gw = search_gateway(Default::default())
+            .await
+            .context("Failed to find IGD gateway")?;
+        info!("IGD gateway: {}", gw);
 
-    let private_ip = if let Some(ip) = priv_ip {
-      info!("Using private IP from config: {}", ip);
-      ip.to_string()
-    } else {
-      info!("Trying to automatically detect private IP");
-      let gwa = gw.addr.ip().octets();
-      let cmplen = match gwa {
-        [192, 168, _, _] => 3,
-        [10, _, _, _] => 2,
-        _ => panic!(
-          "Gateway IP does not appear to be in a local network ({})",
-          gw.addr.ip()
-        ),
-      };
-      #[allow(unused_parens)]
-      let public_ip = get_if_addrs::get_if_addrs()?
-        .into_iter()
-        .map(|i| i.addr.ip())
-        .filter(|a| match a {
-          std::net::IpAddr::V4(a4) => (a4.octets()[..cmplen] == gwa[..cmplen]),
-          _ => false,
-        })
-        .next()
-        .expect("No interface has an IP on same subnet as gateway")
-        .to_string();
-      info!("Found private IP: {}", public_ip);
-      public_ip
-    };
+        let private_ip = if let Some(ip) = priv_ip {
+            info!("Using private IP from config: {}", ip);
+            ip.to_string()
+        } else {
+            info!("Trying to automatically detect private IP");
+            let gwa = gw.addr.ip().octets();
+            let cmplen = match gwa {
+                [192, 168, _, _] => 3,
+                [10, _, _, _] => 2,
+                _ => panic!(
+                    "Gateway IP does not appear to be in a local network ({})",
+                    gw.addr.ip()
+                ),
+            };
+            #[allow(unused_parens)]
+            let public_ip = get_if_addrs::get_if_addrs()?
+                .into_iter()
+                .map(|i| i.addr.ip())
+                .filter(|a| match a {
+                    std::net::IpAddr::V4(a4) => (a4.octets()[..cmplen] == gwa[..cmplen]),
+                    _ => false,
+                })
+                .next()
+                .expect("No interface has an IP on same subnet as gateway")
+                .to_string();
+            info!("Found private IP: {}", public_ip);
+            public_ip
+        };
 
-    let ctx = Self {
-      gateway: gw,
-      rx_ports: rxp.clone(),
-      private_ip,
-      refresh: refresh,
-      expire: expire,
-      last_ports: messages::PublicExposedPorts::new(),
-    };
+        let ctx = Self {
+            gateway: gw,
+            rx_ports: rxp.clone(),
+            private_ip,
+            refresh: refresh,
+            expire: expire,
+            last_ports: messages::PublicExposedPorts::new(),
+        };
 
-    return Ok(ctx);
-  }
+        return Ok(ctx);
+    }
 
-  pub async fn listen(&mut self) -> Result<()> {
-    let mut interval = time::interval(self.refresh);
-    loop {
-      // 1. Wait for an event
-      let new_ports = select! {
-        _ = self.rx_ports.changed() => Some(self.rx_ports.borrow().clone()),
-        _ = interval.tick() => None,
-        else => return Ok(()) // Sender dropped, terminate loop.
-      };
+    pub async fn listen(&mut self) -> Result<()> {
+        let mut interval = time::interval(self.refresh);
+        loop {
+            // 1. Wait for an event
+            let new_ports = select! {
+              _ = self.rx_ports.changed() => Some(self.rx_ports.borrow().clone()),
+              _ = interval.tick() => None,
+              else => return Ok(()) // Sender dropped, terminate loop.
+            };
 
-      // 2. Update last ports if needed
-      if let Some(p) = new_ports {
-        self.last_ports = p;
-      }
+            // 2. Update last ports if needed
+            if let Some(p) = new_ports {
+                self.last_ports = p;
+            }
 
-      // 3. Flush IGD requests
-      match self.do_igd().await {
-        Ok(()) => debug!("Successfully updated IGD"),
-        Err(e) => error!("An error occured while updating IGD. {}", e),
-      }
+            // 3. Flush IGD requests
+            match self.do_igd().await {
+                Ok(()) => debug!("Successfully updated IGD"),
+                Err(e) => error!("An error occured while updating IGD. {}", e),
+            }
+        }
     }
-  }
 
-  pub async fn do_igd(&self) -> Result<()> {
-    let actions = [
-      (PortMappingProtocol::TCP, &self.last_ports.tcp_ports),
-      (PortMappingProtocol::UDP, &self.last_ports.udp_ports),
-    ];
+    pub async fn do_igd(&self) -> Result<()> {
+        let actions = [
+            (PortMappingProtocol::TCP, &self.last_ports.tcp_ports),
+            (PortMappingProtocol::UDP, &self.last_ports.udp_ports),
+        ];
 
-    for (proto, list) in actions.iter() {
-      for port in *list {
-        let service_str = format!("{}:{}", self.private_ip, port);
-        let service = service_str
-          .parse::<SocketAddrV4>()
-          .context("Invalid socket address")?;
-        self
-          .gateway
-          .add_port(
-            *proto,
-            *port,
-            service,
-            self.expire.as_secs() as u32,
-            "diplonat",
-          )
-          .await?;
-        debug!("IGD request successful for {:#?} {}", proto, service);
-      }
-    }
+        for (proto, list) in actions.iter() {
+            for port in *list {
+                let service_str = format!("{}:{}", self.private_ip, port);
+                let service = service_str
+                    .parse::<SocketAddrV4>()
+                    .context("Invalid socket address")?;
+                self.gateway
+                    .add_port(
+                        *proto,
+                        *port,
+                        service,
+                        self.expire.as_secs() as u32,
+                        "diplonat",
+                    )
+                    .await?;
+                debug!("IGD request successful for {:#?} {}", proto, service);
+            }
+        }
 
-    return Ok(());
-  }
+        return Ok(());
+    }
 }
diff --git a/src/main.rs b/src/main.rs
index 4cd57c5..204520d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,13 +13,13 @@ use log::*;
 
 #[tokio::main]
 async fn main() {
-  pretty_env_logger::init();
-  info!("Starting Diplonat");
+    pretty_env_logger::init();
+    info!("Starting Diplonat");
 
-  Diplonat::new()
-    .await
-    .expect("Setup failed")
-    .listen()
-    .await
-    .expect("A runtime error occured");
+    Diplonat::new()
+        .await
+        .expect("Setup failed")
+        .listen()
+        .await
+        .expect("A runtime error occured");
 }
diff --git a/src/messages.rs b/src/messages.rs
index 63f16b0..e5322f1 100644
--- a/src/messages.rs
+++ b/src/messages.rs
@@ -2,15 +2,15 @@ use std::collections::HashSet;
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct PublicExposedPorts {
-  pub tcp_ports: HashSet<u16>,
-  pub udp_ports: HashSet<u16>,
+    pub tcp_ports: HashSet<u16>,
+    pub udp_ports: HashSet<u16>,
 }
 
 impl PublicExposedPorts {
-  pub fn new() -> Self {
-    return Self {
-      tcp_ports: HashSet::new(),
-      udp_ports: HashSet::new(),
-    };
-  }
+    pub fn new() -> Self {
+        return Self {
+            tcp_ports: HashSet::new(),
+            udp_ports: HashSet::new(),
+        };
+    }
 }
diff --git a/src/stun_actor.rs b/src/stun_actor.rs
index c1e10ef..684d3d8 100644
--- a/src/stun_actor.rs
+++ b/src/stun_actor.rs
@@ -9,96 +9,95 @@ use crate::config::{RuntimeConfigConsul, RuntimeConfigStun};
 use crate::consul;
 
 pub struct StunActor {
-  node: String,
-  consul: consul::Consul,
-  stun_server_v4: SocketAddr,
-  stun_server_v6: SocketAddr,
-  refresh_time: Duration,
+    node: String,
+    consul: consul::Consul,
+    stun_server_v4: SocketAddr,
+    stun_server_v6: SocketAddr,
+    refresh_time: Duration,
 }
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct AutodiscoverResult {
-  pub timestamp: u64,
-  pub address: IpAddr,
+    pub timestamp: u64,
+    pub address: IpAddr,
 }
 
 impl StunActor {
-  pub fn new(
-    consul_config: &RuntimeConfigConsul,
-    stun_config: &RuntimeConfigStun,
-    node: &str,
-  ) -> Self {
-    assert!(stun_config.stun_server_v4.is_ipv4());
-    assert!(stun_config.stun_server_v6.is_ipv6());
-
-    Self {
-      consul: consul::Consul::new(consul_config),
-      node: node.to_string(),
-      stun_server_v4: stun_config.stun_server_v4,
-      stun_server_v6: stun_config.stun_server_v6,
-      refresh_time: stun_config.refresh_time,
+    pub fn new(
+        consul_config: &RuntimeConfigConsul,
+        stun_config: &RuntimeConfigStun,
+        node: &str,
+    ) -> Self {
+        assert!(stun_config.stun_server_v4.is_ipv4());
+        assert!(stun_config.stun_server_v6.is_ipv6());
+
+        Self {
+            consul: consul::Consul::new(consul_config),
+            node: node.to_string(),
+            stun_server_v4: stun_config.stun_server_v4,
+            stun_server_v6: stun_config.stun_server_v6,
+            refresh_time: stun_config.refresh_time,
+        }
     }
-  }
-
-  pub async fn listen(&mut self) -> Result<()> {
-    loop {
-      if let Err(e) = self.autodiscover_ip(self.stun_server_v4).await {
-        error!("Unable to autodiscover IPv4 address: {}", e);
-      }
-      if let Err(e) = self.autodiscover_ip(self.stun_server_v6).await {
-        error!("Unable to autodiscover IPv6 address: {}", e);
-      }
-      tokio::time::sleep(self.refresh_time).await;
+
+    pub async fn listen(&mut self) -> Result<()> {
+        loop {
+            if let Err(e) = self.autodiscover_ip(self.stun_server_v4).await {
+                error!("Unable to autodiscover IPv4 address: {}", e);
+            }
+            if let Err(e) = self.autodiscover_ip(self.stun_server_v6).await {
+                error!("Unable to autodiscover IPv6 address: {}", e);
+            }
+            tokio::time::sleep(self.refresh_time).await;
+        }
+    }
+
+    async fn autodiscover_ip(&self, stun_server: SocketAddr) -> Result<()> {
+        let binding_addr = match stun_server.is_ipv4() {
+            true => "0.0.0.0:34791".parse().unwrap(),
+            false => "[::]:34792".parse().unwrap(),
+        };
+
+        let discovered_addr = get_mapped_addr(stun_server, binding_addr).await?.ip();
+
+        let consul_key = match stun_server.is_ipv4() {
+            true => {
+                debug!("Autodiscovered IPv4: {}", discovered_addr);
+                format!("diplonat/autodiscovery/ipv4/{}", self.node)
+            }
+            false => {
+                debug!("Autodiscovered IPv6: {}", discovered_addr);
+                format!("diplonat/autodiscovery/ipv6/{}", self.node)
+            }
+        };
+
+        self.consul
+            .kv_put(
+                &consul_key,
+                serde_json::to_vec(&AutodiscoverResult {
+                    timestamp: SystemTime::now()
+                        .duration_since(SystemTime::UNIX_EPOCH)?
+                        .as_secs(),
+                    address: discovered_addr,
+                })?,
+            )
+            .await?;
+
+        Ok(())
     }
-  }
-
-  async fn autodiscover_ip(&self, stun_server: SocketAddr) -> Result<()> {
-    let binding_addr = match stun_server.is_ipv4() {
-      true => "0.0.0.0:34791".parse().unwrap(),
-      false => "[::]:34792".parse().unwrap(),
-    };
-
-    let discovered_addr = get_mapped_addr(stun_server, binding_addr).await?.ip();
-
-    let consul_key = match stun_server.is_ipv4() {
-      true => {
-        debug!("Autodiscovered IPv4: {}", discovered_addr);
-        format!("diplonat/autodiscovery/ipv4/{}", self.node)
-      }
-      false => {
-        debug!("Autodiscovered IPv6: {}", discovered_addr);
-        format!("diplonat/autodiscovery/ipv6/{}", self.node)
-      }
-    };
-
-    self
-      .consul
-      .kv_put(
-        &consul_key,
-        serde_json::to_vec(&AutodiscoverResult {
-          timestamp: SystemTime::now()
-            .duration_since(SystemTime::UNIX_EPOCH)?
-            .as_secs(),
-          address: discovered_addr,
-        })?,
-      )
-      .await?;
-
-    Ok(())
-  }
 }
 
 async fn get_mapped_addr(stun_server: SocketAddr, binding_addr: SocketAddr) -> Result<SocketAddr> {
-  use stun_client::*;
+    use stun_client::*;
 
-  let mut client = Client::new(binding_addr, None).await.unwrap();
-  let res = client.binding_request(stun_server, None).await.unwrap();
+    let mut client = Client::new(binding_addr, None).await.unwrap();
+    let res = client.binding_request(stun_server, None).await.unwrap();
 
-  if res.get_class() != Class::SuccessResponse {
-    bail!("STUN server did not responde with a success response");
-  }
+    if res.get_class() != Class::SuccessResponse {
+        bail!("STUN server did not responde with a success response");
+    }
 
-  let xor_mapped_addr = Attribute::get_xor_mapped_address(&res)
-    .ok_or(anyhow!("no XorMappedAddress found in STUN response"))?;
-  Ok(xor_mapped_addr)
+    let xor_mapped_addr = Attribute::get_xor_mapped_address(&res)
+        .ok_or(anyhow!("no XorMappedAddress found in STUN response"))?;
+    Ok(xor_mapped_addr)
 }