public IP address autodiscovery #20
17 changed files with 2733 additions and 1039 deletions
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@ -1,75 +0,0 @@
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unstable_features = true
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array_width = 60
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attr_fn_like_width = 70
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binop_separator = "Front"
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blank_lines_lower_bound = 0
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blank_lines_upper_bound = 1
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brace_style = "SameLineWhere"
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chain_width = 60
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color = "Auto"
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combine_control_expr = true
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comment_width = 80
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condense_wildcard_suffixes = true
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control_brace_style = "AlwaysSameLine"
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disable_all_formatting = false
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empty_item_single_line = true
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enum_discrim_align_threshold = 0
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error_on_line_overflow = true
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error_on_unformatted = true
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fn_args_layout = "Tall"
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fn_call_width = 60
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fn_single_line = true
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force_explicit_abi = true
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force_multiline_blocks = false
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format_code_in_doc_comments = true
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# format_generated_files = true
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format_macro_matchers = true
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format_macro_bodies = true
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format_strings = true
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hard_tabs = false
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#hex_literal_case = "Lower"
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hide_parse_errors = false
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ignore = []
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imports_indent = "Block"
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imports_layout = "Mixed"
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indent_style = "Block"
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inline_attribute_width = 0
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license_template_path = ""
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match_arm_blocks = true
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match_arm_leading_pipes = "Never"
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match_block_trailing_comma = false
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max_width = 100
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merge_derives = true
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imports_granularity = "Crate"
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newline_style = "Unix"
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normalize_comments = true
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normalize_doc_attributes = true
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overflow_delimited_expr = false
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remove_nested_parens = true
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reorder_impl_items = true
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reorder_imports = true
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group_imports = "StdExternalCrate"
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reorder_modules = true
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report_fixme = "Unnumbered"
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report_todo = "Unnumbered"
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required_version = "1.4.37"
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skip_children = false
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single_line_if_else_max_width = 50
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space_after_colon = true
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space_before_colon = false
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#space_around_ranges = false
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struct_field_align_threshold = 0
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struct_lit_single_line = true
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struct_lit_width = 18
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struct_variant_width = 35
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tab_spaces = 2
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trailing_comma = "Vertical"
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trailing_semicolon = false
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type_punctuation_density = "Wide"
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use_field_init_shorthand = false
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use_small_heuristics = "Off"
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use_try_shorthand = true
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version = "Two"
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where_single_line = true
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wrap_comments = true
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866
Cargo.lock
generated
866
Cargo.lock
generated
File diff suppressed because it is too large
Load diff
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@ -21,3 +21,4 @@ serde = { version = "1.0.107", features = ["derive"] }
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serde-lexpr = "0.1.1"
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serde_json = "1.0.53"
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tokio = { version = "1", features = ["sync", "rt-multi-thread", "net", "macros"] }
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stun-client = "0.1.2"
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@ -3,11 +3,12 @@ mod options;
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mod options_test;
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mod runtime;
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pub use options::{ConfigOpts, ConfigOptsAcme, ConfigOptsBase, ConfigOptsConsul};
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pub use options::{ConfigOpts, ConfigOptsBase, ConfigOptsConsul};
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pub use runtime::{
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RuntimeConfig, RuntimeConfigAcme, RuntimeConfigConsul, RuntimeConfigFirewall, RuntimeConfigIgd,
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RuntimeConfig, RuntimeConfigConsul, RuntimeConfigFirewall, RuntimeConfigIgd, RuntimeConfigStun,
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};
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pub const EXPIRATION_TIME: u16 = 300;
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pub const REFRESH_TIME: u16 = 60;
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pub const CONSUL_URL: &str = "http://127.0.0.1:8500";
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pub const STUN_SERVER: &str = "stun.nextcloud.com:443";
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@ -11,77 +11,67 @@ use crate::config::RuntimeConfig;
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/// Base configuration options
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#[derive(Clone, Default, Deserialize)]
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pub struct ConfigOptsBase {
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/// This node's private IP address [default: None]
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pub private_ip: Option<String>,
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/// Expiration time for IGD rules [default: 60]
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pub expiration_time: Option<u16>,
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/// Refresh time for IGD and Firewall rules [default: 300]
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pub refresh_time: Option<u16>,
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}
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/// ACME configuration options
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#[derive(Clone, Default, Deserialize)]
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pub struct ConfigOptsAcme {
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/// Whether ACME is enabled [default: false]
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#[serde(default)]
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pub enable: bool,
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/// The default domain holder's e-mail [default: None]
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pub email: Option<String>,
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/// This node's private IP address [default: None]
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pub private_ip: Option<String>,
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/// Expiration time for IGD rules [default: 60]
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pub expiration_time: Option<u16>,
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/// Refresh time for IGD and Firewall rules [default: 300]
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pub refresh_time: Option<u16>,
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/// STUN server [default: stun.nextcloud.com:443]
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pub stun_server: Option<String>,
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/// IPv6-only mode (disables IGD, IPv4 firewall and IPv4 address autodiscovery) [default: false]
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#[serde(default)]
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pub ipv6_only: bool,
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}
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/// Consul configuration options
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#[derive(Clone, Default, Deserialize)]
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pub struct ConfigOptsConsul {
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/// Consul's node name [default: None]
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pub node_name: Option<String>,
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/// Consul's REST URL [default: "http://127.0.0.1:8500"]
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pub url: Option<String>,
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/// Consul's CA certificate [default: None]
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pub ca_cert: Option<String>,
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/// Skip TLS verification for Consul server [default: false]
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#[serde(default)]
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pub tls_skip_verify: bool,
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/// Consul's client certificate [default: None]
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pub client_cert: Option<String>,
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/// Consul's client key [default: None]
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pub client_key: Option<String>,
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/// Consul's node name [default: None]
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pub node_name: Option<String>,
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/// Consul's REST URL [default: "http://127.0.0.1:8500"]
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pub url: Option<String>,
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/// Consul's CA certificate [default: None]
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pub ca_cert: Option<String>,
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/// Skip TLS verification for Consul server [default: false]
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#[serde(default)]
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pub tls_skip_verify: bool,
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/// Consul's client certificate [default: None]
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pub client_cert: Option<String>,
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/// Consul's client key [default: None]
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pub client_key: Option<String>,
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}
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/// Model of all potential configuration options
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pub struct ConfigOpts {
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pub base: ConfigOptsBase,
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pub acme: ConfigOptsAcme,
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pub consul: ConfigOptsConsul,
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pub base: ConfigOptsBase,
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pub consul: ConfigOptsConsul,
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}
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impl ConfigOpts {
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pub fn from_env() -> Result<RuntimeConfig> {
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let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_env()?;
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let consul: ConfigOptsConsul = envy::prefixed("DIPLONAT_CONSUL_").from_env()?;
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let acme: ConfigOptsAcme = envy::prefixed("DIPLONAT_ACME_").from_env()?;
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pub fn from_env() -> Result<RuntimeConfig> {
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let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_env()?;
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let consul: ConfigOptsConsul = envy::prefixed("DIPLONAT_CONSUL_").from_env()?;
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RuntimeConfig::new(Self {
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base: base,
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consul: consul,
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acme: acme,
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})
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}
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RuntimeConfig::new(Self {
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base: base,
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consul: consul,
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})
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}
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// Currently only used in tests
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#[allow(dead_code)]
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pub fn from_iter<Iter: Clone>(iter: Iter) -> Result<RuntimeConfig>
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where
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Iter: IntoIterator<Item = (String, String)>,
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{
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let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_iter(iter.clone())?;
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let consul: ConfigOptsConsul = envy::prefixed("DIPLONAT_CONSUL_").from_iter(iter.clone())?;
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let acme: ConfigOptsAcme = envy::prefixed("DIPLONAT_ACME_").from_iter(iter.clone())?;
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// Currently only used in tests
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#[cfg(test)]
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pub fn from_iter<Iter: Clone>(iter: Iter) -> Result<RuntimeConfig>
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where
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Iter: IntoIterator<Item = (String, String)>,
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{
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let base: ConfigOptsBase = envy::prefixed("DIPLONAT_").from_iter(iter.clone())?;
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let consul: ConfigOptsConsul =
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envy::prefixed("DIPLONAT_CONSUL_").from_iter(iter.clone())?;
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RuntimeConfig::new(Self {
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base: base,
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consul: consul,
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acme: acme,
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})
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}
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RuntimeConfig::new(Self {
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base: base,
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consul: consul,
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})
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}
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}
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@ -9,116 +9,111 @@ use crate::config::*;
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// This is why we only test ConfigOpts::from_iter(iter).
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fn minimal_valid_options() -> HashMap<String, String> {
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let mut opts = HashMap::new();
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opts.insert(
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"DIPLONAT_CONSUL_NODE_NAME".to_string(),
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"consul_node".to_string(),
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);
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opts
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let mut opts = HashMap::new();
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opts.insert(
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"DIPLONAT_CONSUL_NODE_NAME".to_string(),
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"consul_node".to_string(),
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);
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opts
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}
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fn all_valid_options() -> HashMap<String, String> {
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let mut opts = minimal_valid_options();
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opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "30".to_string());
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opts.insert(
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"DIPLONAT_PRIVATE_IP".to_string(),
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"172.123.43.555".to_string(),
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);
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opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "10".to_string());
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opts.insert(
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"DIPLONAT_CONSUL_URL".to_string(),
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"http://127.0.0.1:9999".to_string(),
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);
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opts.insert("DIPLONAT_ACME_ENABLE".to_string(), "true".to_string());
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opts.insert(
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"DIPLONAT_ACME_EMAIL".to_string(),
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"bozo@bozo.net".to_string(),
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);
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opts
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let mut opts = minimal_valid_options();
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opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "30".to_string());
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opts.insert(
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"DIPLONAT_STUN_SERVER".to_string(),
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"stun.nextcloud.com:443".to_string(),
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);
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opts.insert(
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"DIPLONAT_PRIVATE_IP".to_string(),
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"172.123.43.55".to_string(),
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);
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opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "10".to_string());
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opts.insert(
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"DIPLONAT_CONSUL_URL".to_string(),
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"http://127.0.0.1:9999".to_string(),
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);
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opts.insert("DIPLONAT_ACME_ENABLE".to_string(), "true".to_string());
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opts.insert(
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"DIPLONAT_ACME_EMAIL".to_string(),
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"bozo@bozo.net".to_string(),
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);
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opts
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}
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#[test]
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#[should_panic]
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fn err_empty_env() {
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std::env::remove_var("DIPLONAT_CONSUL_NODE_NAME");
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ConfigOpts::from_env().unwrap();
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std::env::remove_var("DIPLONAT_CONSUL_NODE_NAME");
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ConfigOpts::from_env().unwrap();
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}
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#[test]
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fn ok_from_iter_minimal_valid_options() {
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let opts = minimal_valid_options();
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let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
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let opts = minimal_valid_options();
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let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
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assert!(rt_config.acme.is_none());
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assert_eq!(
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&rt_config.consul.node_name,
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opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
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);
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assert_eq!(rt_config.consul.url, CONSUL_URL.to_string());
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assert_eq!(
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rt_config.firewall.refresh_time,
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Duration::from_secs(REFRESH_TIME.into())
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);
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assert!(rt_config.igd.private_ip.is_none());
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assert_eq!(
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rt_config.igd.expiration_time,
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Duration::from_secs(EXPIRATION_TIME.into())
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);
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assert_eq!(
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rt_config.igd.refresh_time,
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Duration::from_secs(REFRESH_TIME.into())
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);
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assert_eq!(
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&rt_config.consul.node_name,
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opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
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);
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assert_eq!(rt_config.consul.url, CONSUL_URL.to_string());
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assert_eq!(
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rt_config.firewall.refresh_time,
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Duration::from_secs(REFRESH_TIME.into())
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);
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let igd = rt_config.igd.unwrap();
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assert!(igd.private_ip.is_none());
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assert_eq!(
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igd.expiration_time,
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Duration::from_secs(EXPIRATION_TIME.into())
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);
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assert_eq!(igd.refresh_time, Duration::from_secs(REFRESH_TIME.into()));
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}
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#[test]
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#[should_panic]
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fn err_from_iter_invalid_refresh_time() {
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let mut opts = minimal_valid_options();
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opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "60".to_string());
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opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "60".to_string());
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ConfigOpts::from_iter(opts).unwrap();
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let mut opts = minimal_valid_options();
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opts.insert("DIPLONAT_EXPIRATION_TIME".to_string(), "60".to_string());
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opts.insert("DIPLONAT_REFRESH_TIME".to_string(), "60".to_string());
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ConfigOpts::from_iter(opts).unwrap();
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}
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#[test]
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fn ok_from_iter_all_valid_options() {
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let opts = all_valid_options();
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let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
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let opts = all_valid_options();
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let rt_config = ConfigOpts::from_iter(opts.clone()).unwrap();
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let expiration_time = Duration::from_secs(
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opts
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.get(&"DIPLONAT_EXPIRATION_TIME".to_string())
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.unwrap()
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.parse::<u64>()
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.unwrap()
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.into(),
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);
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let refresh_time = Duration::from_secs(
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opts
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.get(&"DIPLONAT_REFRESH_TIME".to_string())
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.unwrap()
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.parse::<u64>()
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.unwrap()
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.into(),
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);
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let expiration_time = Duration::from_secs(
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opts.get(&"DIPLONAT_EXPIRATION_TIME".to_string())
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.unwrap()
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.parse::<u64>()
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.unwrap()
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.into(),
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);
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let refresh_time = Duration::from_secs(
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opts.get(&"DIPLONAT_REFRESH_TIME".to_string())
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.unwrap()
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.parse::<u64>()
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.unwrap()
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.into(),
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);
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|
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assert!(rt_config.acme.is_some());
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assert_eq!(
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&rt_config.acme.unwrap().email,
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opts.get(&"DIPLONAT_ACME_EMAIL".to_string()).unwrap()
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);
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assert_eq!(
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&rt_config.consul.node_name,
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opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
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);
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assert_eq!(
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&rt_config.consul.url,
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opts.get(&"DIPLONAT_CONSUL_URL".to_string()).unwrap()
|
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);
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assert_eq!(rt_config.firewall.refresh_time, refresh_time);
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assert_eq!(
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&rt_config.igd.private_ip.unwrap(),
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opts.get(&"DIPLONAT_PRIVATE_IP".to_string()).unwrap()
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||||
);
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assert_eq!(rt_config.igd.expiration_time, expiration_time);
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assert_eq!(rt_config.igd.refresh_time, refresh_time);
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assert_eq!(
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&rt_config.consul.node_name,
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opts.get(&"DIPLONAT_CONSUL_NODE_NAME".to_string()).unwrap()
|
||||
);
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assert_eq!(
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&rt_config.consul.url,
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opts.get(&"DIPLONAT_CONSUL_URL".to_string()).unwrap()
|
||||
);
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assert_eq!(rt_config.firewall.refresh_time, refresh_time);
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let igd = rt_config.igd.unwrap();
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assert_eq!(
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&igd.private_ip.unwrap().to_string(),
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||||
opts.get(&"DIPLONAT_PRIVATE_IP".to_string()).unwrap()
|
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);
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assert_eq!(igd.expiration_time, expiration_time);
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assert_eq!(igd.refresh_time, refresh_time);
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}
|
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|
|
|
|||
|
|
@ -1,151 +1,191 @@
|
|||
use std::fs::File;
|
||||
use std::io::Read;
|
||||
use std::net::{Ipv4Addr, SocketAddr, ToSocketAddrs};
|
||||
use std::time::Duration;
|
||||
|
||||
use anyhow::{anyhow, bail, Result};
|
||||
use anyhow::{anyhow, bail, Context, Result};
|
||||
|
||||
use crate::config::{ConfigOpts, ConfigOptsAcme, ConfigOptsBase, ConfigOptsConsul};
|
||||
use crate::config::{ConfigOpts, ConfigOptsBase, ConfigOptsConsul};
|
||||
|
||||
// This code is inspired by the Trunk crate (https://github.com/thedodd/trunk)
|
||||
|
||||
// In this file, we take ConfigOpts and transform them into ready-to-use
|
||||
// RuntimeConfig. We apply default values and business logic.
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct RuntimeConfigAcme {
|
||||
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 ipv6_only: bool,
|
||||
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<Ipv4Addr>,
|
||||
pub expiration_time: Duration,
|
||||
pub refresh_time: Duration,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct RuntimeConfigStun {
|
||||
pub stun_server_v4: Option<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 consul: RuntimeConfigConsul,
|
||||
pub firewall: RuntimeConfigFirewall,
|
||||
pub igd: Option<RuntimeConfigIgd>,
|
||||
pub stun: RuntimeConfigStun,
|
||||
}
|
||||
|
||||
impl RuntimeConfig {
|
||||
pub fn new(opts: ConfigOpts) -> Result<Self> {
|
||||
let acme = RuntimeConfigAcme::new(opts.acme.clone())?;
|
||||
let consul = RuntimeConfigConsul::new(opts.consul.clone())?;
|
||||
let firewall = RuntimeConfigFirewall::new(opts.base.clone())?;
|
||||
let igd = RuntimeConfigIgd::new(opts.base.clone())?;
|
||||
pub fn new(opts: ConfigOpts) -> Result<Self> {
|
||||
let consul = RuntimeConfigConsul::new(opts.consul)?;
|
||||
let firewall = RuntimeConfigFirewall::new(&opts.base)?;
|
||||
let igd = match opts.base.ipv6_only {
|
||||
false => Some(RuntimeConfigIgd::new(&opts.base)?),
|
||||
true => None,
|
||||
};
|
||||
let stun = RuntimeConfigStun::new(&opts.base)?;
|
||||
|
||||
Ok(Self {
|
||||
acme,
|
||||
consul,
|
||||
firewall,
|
||||
igd,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl RuntimeConfigAcme {
|
||||
pub fn new(opts: ConfigOptsAcme) -> Result<Option<Self>> {
|
||||
if !opts.enable {
|
||||
return Ok(None);
|
||||
Ok(Self {
|
||||
consul,
|
||||
firewall,
|
||||
igd,
|
||||
stun,
|
||||
})
|
||||
}
|
||||
|
||||
let email = opts.email.expect(
|
||||
"'DIPLONAT_ACME_EMAIL' environment variable is required if 'DIPLONAT_ACME_ENABLE' == 'true'",
|
||||
);
|
||||
|
||||
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());
|
||||
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 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,
|
||||
ipv6_only: opts.ipv6_only,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl RuntimeConfigIgd {
|
||||
pub(super) fn new(opts: ConfigOptsBase) -> Result<Self> {
|
||||
let private_ip = opts.private_ip;
|
||||
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());
|
||||
pub(super) fn new(opts: &ConfigOptsBase) -> Result<Self> {
|
||||
let private_ip = opts
|
||||
.private_ip
|
||||
.as_ref()
|
||||
.map(|x| x.parse())
|
||||
.transpose()
|
||||
.context("parse private_ip")?;
|
||||
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!(
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
let refresh_time =
|
||||
Duration::from_secs(opts.refresh_time.unwrap_or(super::REFRESH_TIME).into());
|
||||
|
||||
let stun_server_v4 = match opts.ipv6_only {
|
||||
false => Some(
|
||||
stun_server_v4.ok_or(anyhow!("Unable to resolve STUN server's IPv4 address"))?,
|
||||
),
|
||||
true => None,
|
||||
};
|
||||
|
||||
Ok(Self {
|
||||
stun_server_v4,
|
||||
stun_server_v6: stun_server_v6
|
||||
.ok_or(anyhow!("Unable to resolve STUN server's IPv6 address"))?,
|
||||
refresh_time,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
|
|||
117
src/consul.rs
117
src/consul.rs
|
|
@ -7,71 +7,80 @@ use crate::config::RuntimeConfigConsul;
|
|||
|
||||
#[derive(Serialize, Deserialize, Debug)]
|
||||
pub struct ServiceEntry {
|
||||
pub Tags: Vec<String>,
|
||||
#[serde(rename = "Tags")]
|
||||
pub tags: Vec<String>,
|
||||
}
|
||||
|
||||
#[derive(Serialize, Deserialize, Debug)]
|
||||
#[derive(Serialize, Deserialize, Debug, Default)]
|
||||
pub struct CatalogNode {
|
||||
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: CatalogNode = http.json().await?;
|
||||
return Ok(resp);
|
||||
}
|
||||
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(())
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -11,107 +11,110 @@ use crate::{consul, messages};
|
|||
|
||||
#[derive(Serialize, Deserialize, Debug)]
|
||||
pub enum DiplonatParameter {
|
||||
tcp_port(HashSet<u16>),
|
||||
udp_port(HashSet<u16>),
|
||||
#[serde(rename = "tcp_port")]
|
||||
TcpPort(HashSet<u16>),
|
||||
#[serde(rename = "udp_port")]
|
||||
UdpPort(HashSet<u16>),
|
||||
}
|
||||
|
||||
#[derive(Serialize, Deserialize, Debug)]
|
||||
pub enum DiplonatConsul {
|
||||
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();
|
||||
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),
|
||||
};
|
||||
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(),
|
||||
};
|
||||
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::tcp_port(p) => op.tcp_ports.extend(p),
|
||||
DiplonatParameter::udp_port(p) => op.udp_ports.extend(p),
|
||||
};
|
||||
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(),
|
||||
});
|
||||
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);
|
||||
|
||||
self.tx_open_ports.send(msg)?;
|
||||
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);
|
||||
|
||||
self.tx_open_ports.send(msg)?;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,49 +1,78 @@
|
|||
use anyhow::Result;
|
||||
use anyhow::{Context, Result};
|
||||
use futures::future::FutureExt;
|
||||
use tokio::try_join;
|
||||
|
||||
use crate::{
|
||||
config::ConfigOpts, consul_actor::ConsulActor, fw_actor::FirewallActor, igd_actor::IgdActor,
|
||||
config::ConfigOpts, consul_actor::ConsulActor, fw_actor::FirewallActor, igd_actor::IgdActor,
|
||||
stun_actor::StunActor,
|
||||
};
|
||||
|
||||
pub struct Diplonat {
|
||||
consul: ConsulActor,
|
||||
firewall: FirewallActor,
|
||||
igd: IgdActor,
|
||||
consul: ConsulActor,
|
||||
firewall: FirewallActor,
|
||||
igd: Option<IgdActor>,
|
||||
stun: StunActor,
|
||||
}
|
||||
|
||||
impl Diplonat {
|
||||
pub async fn new() -> Result<Self> {
|
||||
let rt_cfg = ConfigOpts::from_env()?;
|
||||
println!("{:#?}", rt_cfg);
|
||||
pub async fn new() -> Result<Self> {
|
||||
let rt_cfg = ConfigOpts::from_env().context("Parse configuration")?;
|
||||
println!("{:#?}", rt_cfg);
|
||||
|
||||
let ca = ConsulActor::new(&rt_cfg.consul, &rt_cfg.consul.node_name);
|
||||
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 fw = FirewallActor::new(
|
||||
rt_cfg.firewall.ipv6_only,
|
||||
rt_cfg.firewall.refresh_time,
|
||||
&ca.rx_open_ports,
|
||||
)
|
||||
.await
|
||||
.context("Setup fireall actor")?;
|
||||
|
||||
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 ia = match rt_cfg.igd {
|
||||
Some(igdc) => Some(
|
||||
IgdActor::new(
|
||||
igdc.private_ip,
|
||||
igdc.refresh_time,
|
||||
igdc.expiration_time,
|
||||
&ca.rx_open_ports,
|
||||
)
|
||||
.await
|
||||
.context("Setup IGD actor")?,
|
||||
),
|
||||
None => None,
|
||||
};
|
||||
|
||||
let ctx = Self {
|
||||
consul: ca,
|
||||
igd: ia,
|
||||
firewall: fw,
|
||||
};
|
||||
let sa = StunActor::new(&rt_cfg.consul, &rt_cfg.stun, &rt_cfg.consul.node_name);
|
||||
|
||||
return Ok(ctx);
|
||||
}
|
||||
let ctx = Self {
|
||||
consul: ca,
|
||||
igd: ia,
|
||||
firewall: fw,
|
||||
stun: sa,
|
||||
};
|
||||
|
||||
pub async fn listen(&mut self) -> Result<()> {
|
||||
try_join!(
|
||||
self.consul.listen(),
|
||||
self.igd.listen(),
|
||||
self.firewall.listen()
|
||||
)?;
|
||||
Ok(ctx)
|
||||
}
|
||||
|
||||
return Ok(());
|
||||
}
|
||||
pub async fn listen(&mut self) -> Result<()> {
|
||||
let igd_opt = &mut self.igd;
|
||||
|
||||
try_join!(
|
||||
self.consul.listen().map(|x| x.context("Run consul actor")),
|
||||
async {
|
||||
if let Some(igd) = igd_opt {
|
||||
igd.listen().await.context("Run IGD actor")
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
},
|
||||
self.firewall
|
||||
.listen()
|
||||
.map(|x| x.context("Run firewall actor")),
|
||||
self.stun.listen().map(|x| x.context("Run STUN actor")),
|
||||
)?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
|
|
|||
138
src/fw.rs
138
src/fw.rs
|
|
@ -8,92 +8,96 @@ 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)?;
|
||||
// ensure we start from a clean state without any rule already set
|
||||
cleanup(ipt)?;
|
||||
|
||||
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")?;
|
||||
info!("{}: creating DIPLONAT chain", 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(())
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn open_ports(ipt: &iptables::IPTables, ports: messages::PublicExposedPorts) -> Result<()> {
|
||||
for p in ports.tcp_ports {
|
||||
ipt
|
||||
.append(
|
||||
"filter",
|
||||
"DIPLONAT",
|
||||
&format!("-p tcp --dport {} -j ACCEPT", p),
|
||||
)
|
||||
.context("Failed to insert port rule")?;
|
||||
}
|
||||
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 {
|
||||
ipt
|
||||
.append(
|
||||
"filter",
|
||||
"DIPLONAT",
|
||||
&format!("-p udp --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(())
|
||||
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 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>()?;
|
||||
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 {
|
||||
debug!("{} list DIPLONAT: got {}", ipt.cmd, i);
|
||||
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")
|
||||
if proto == "tcp" || proto == "6" {
|
||||
ports.tcp_ports.insert(number);
|
||||
} else if proto == "udp" || proto == "17" {
|
||||
ports.udp_ports.insert(number);
|
||||
} else {
|
||||
error!("Unexpected protocol in iptables rule: {}", proto);
|
||||
}
|
||||
} else {
|
||||
error!("Unexpected rule found in DIPLONAT chain")
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
debug!("{} rule not parsed: {}", ipt.cmd, i);
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(ports)
|
||||
debug!("{} ports already openned: {:?}", ipt.cmd, ports);
|
||||
|
||||
Ok(ports)
|
||||
}
|
||||
|
||||
pub fn cleanup(ipt: &iptables::IPTables) -> Result<()> {
|
||||
if ipt.chain_exists("filter", "DIPLONAT")? {
|
||||
ipt
|
||||
.flush_chain("filter", "DIPLONAT")
|
||||
.context("Failed to flush the DIPLONAT chain")?;
|
||||
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.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(())
|
||||
}
|
||||
|
|
|
|||
156
src/fw_actor.rs
156
src/fw_actor.rs
|
|
@ -4,88 +4,100 @@ 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: Option<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(
|
||||
ipv6_only: bool,
|
||||
refresh: Duration,
|
||||
rxp: &watch::Receiver<messages::PublicExposedPorts>,
|
||||
) -> Result<Self> {
|
||||
let ctx = Self {
|
||||
ipt_v4: match ipv6_only {
|
||||
false => Some(iptables::new(false)?),
|
||||
true => None,
|
||||
},
|
||||
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)?;
|
||||
if let Some(ipt_v4) = &ctx.ipt_v4 {
|
||||
fw::setup(ipt_v4)?;
|
||||
}
|
||||
fw::setup(&ctx.ipt_v6)?;
|
||||
|
||||
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.
|
||||
};
|
||||
|
||||
// 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),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
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 ports_to_open = messages::PublicExposedPorts {
|
||||
tcp_ports: diff_tcp,
|
||||
udp_ports: diff_udp,
|
||||
};
|
||||
|
||||
fw::open_ports(ipt, ports_to_open)?;
|
||||
return Ok(ctx);
|
||||
}
|
||||
|
||||
return Ok(());
|
||||
}
|
||||
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;
|
||||
}
|
||||
|
||||
// 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<()> {
|
||||
if let Some(ipt_v4) = &self.ipt_v4 {
|
||||
self.do_fw_update_on(ipt_v4).await?;
|
||||
}
|
||||
self.do_fw_update_on(&self.ipt_v6).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn do_fw_update_on(&self, ipt: &iptables::IPTables) -> Result<()> {
|
||||
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 ports_to_open = messages::PublicExposedPorts {
|
||||
tcp_ports: diff_tcp,
|
||||
udp_ports: diff_udp,
|
||||
};
|
||||
|
||||
fw::open_ports(ipt, ports_to_open)?;
|
||||
|
||||
return Ok(());
|
||||
}
|
||||
}
|
||||
|
|
|
|||
210
src/igd_actor.rs
210
src/igd_actor.rs
|
|
@ -1,126 +1,122 @@
|
|||
use std::net::SocketAddrV4;
|
||||
use std::net::{Ipv4Addr, SocketAddrV4};
|
||||
|
||||
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: Ipv4Addr,
|
||||
}
|
||||
|
||||
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<Ipv4Addr>,
|
||||
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()
|
||||
),
|
||||
};
|
||||
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
|
||||
} 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 private_ip = get_if_addrs::get_if_addrs()?
|
||||
.into_iter()
|
||||
.map(|i| i.addr.ip())
|
||||
.filter_map(|a| match a {
|
||||
std::net::IpAddr::V4(a4) if a4.octets()[..cmplen] == gwa[..cmplen] => Some(a4),
|
||||
_ => None,
|
||||
})
|
||||
.next()
|
||||
.expect("No interface has an IP on same subnet as gateway");
|
||||
info!("Autodetected private IP: {}", private_ip);
|
||||
private_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);
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
// 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),
|
||||
];
|
||||
|
||||
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(ctx);
|
||||
}
|
||||
|
||||
return Ok(());
|
||||
}
|
||||
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;
|
||||
}
|
||||
|
||||
// 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),
|
||||
];
|
||||
|
||||
for (proto, list) in actions.iter() {
|
||||
for port in *list {
|
||||
let service = SocketAddrV4::new(self.private_ip, *port);
|
||||
self.gateway
|
||||
.add_port(
|
||||
*proto,
|
||||
*port,
|
||||
service,
|
||||
self.expire.as_secs() as u32,
|
||||
"diplonat",
|
||||
)
|
||||
.await?;
|
||||
debug!("IGD request successful for {:#?} {}", proto, service);
|
||||
}
|
||||
}
|
||||
|
||||
return Ok(());
|
||||
}
|
||||
}
|
||||
|
|
|
|||
13
src/main.rs
13
src/main.rs
|
|
@ -6,15 +6,20 @@ mod fw;
|
|||
mod fw_actor;
|
||||
mod igd_actor;
|
||||
mod messages;
|
||||
mod stun_actor;
|
||||
|
||||
use diplonat::Diplonat;
|
||||
use log::*;
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() {
|
||||
pretty_env_logger::init();
|
||||
info!("Starting Diplonat");
|
||||
pretty_env_logger::init();
|
||||
info!("Starting Diplonat");
|
||||
|
||||
let mut diplo = Diplonat::new().await.expect("Setup failed");
|
||||
diplo.listen().await.expect("A runtime error occured");
|
||||
Diplonat::new()
|
||||
.await
|
||||
.expect("Setup failed")
|
||||
.listen()
|
||||
.await
|
||||
.expect("A runtime error occured");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -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(),
|
||||
};
|
||||
}
|
||||
}
|
||||
|
|
|
|||
147
src/stun_actor.rs
Normal file
147
src/stun_actor.rs
Normal file
|
|
@ -0,0 +1,147 @@
|
|||
use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr};
|
||||
use std::time::{Duration, SystemTime};
|
||||
|
||||
use anyhow::{anyhow, bail, Result};
|
||||
use log::*;
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
use crate::config::{RuntimeConfigConsul, RuntimeConfigStun};
|
||||
use crate::consul;
|
||||
|
||||
pub struct StunActor {
|
||||
node: String,
|
||||
consul: consul::Consul,
|
||||
stun_server_v4: Option<SocketAddr>,
|
||||
stun_server_v6: SocketAddr,
|
||||
refresh_time: Duration,
|
||||
}
|
||||
|
||||
#[derive(Serialize, Deserialize, Debug)]
|
||||
pub struct AutodiscoverResult {
|
||||
pub timestamp: u64,
|
||||
pub address: Option<IpAddr>,
|
||||
}
|
||||
|
||||
impl StunActor {
|
||||
pub fn new(
|
||||
consul_config: &RuntimeConfigConsul,
|
||||
stun_config: &RuntimeConfigStun,
|
||||
node: &str,
|
||||
) -> Self {
|
||||
assert!(stun_config
|
||||
.stun_server_v4
|
||||
.map(|x| x.is_ipv4())
|
||||
.unwrap_or(true));
|
||||
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 {
|
||||
let ipv4_result = match self.stun_server_v4 {
|
||||
Some(stun_server_v4) => self.autodiscover_ip(stun_server_v4).await,
|
||||
None => self.autodiscover_none_ipv4().await,
|
||||
};
|
||||
if let Err(e) = ipv4_result {
|
||||
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_ip = match stun_server.is_ipv4() {
|
||||
true => IpAddr::V4(Ipv4Addr::UNSPECIFIED), // 0.0.0.0
|
||||
false => IpAddr::V6(Ipv6Addr::UNSPECIFIED), // [::]
|
||||
};
|
||||
let binding_addr = SocketAddr::new(binding_ip, 0);
|
||||
|
||||
let discovered_addr = get_mapped_addr(stun_server, binding_addr)
|
||||
.await?
|
||||
.map(|x| x.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: timestamp(),
|
||||
address: discovered_addr,
|
||||
})?,
|
||||
)
|
||||
.await?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn autodiscover_none_ipv4(&self) -> Result<()> {
|
||||
let consul_key = format!("diplonat/autodiscovery/ipv4/{}", self.node);
|
||||
|
||||
self.consul
|
||||
.kv_put(
|
||||
&consul_key,
|
||||
serde_json::to_vec(&AutodiscoverResult {
|
||||
timestamp: timestamp(),
|
||||
address: None,
|
||||
})?,
|
||||
)
|
||||
.await?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
async fn get_mapped_addr(
|
||||
stun_server: SocketAddr,
|
||||
binding_addr: SocketAddr,
|
||||
) -> Result<Option<SocketAddr>> {
|
||||
use stun_client::*;
|
||||
|
||||
let mut client = Client::new(binding_addr, None).await?;
|
||||
let res = match client.binding_request(stun_server, None).await {
|
||||
Err(e) => {
|
||||
info!(
|
||||
"STUN binding request to {} failed, assuming no address (error: {})",
|
||||
binding_addr, e
|
||||
);
|
||||
return Ok(None);
|
||||
}
|
||||
Ok(r) => r,
|
||||
};
|
||||
|
||||
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(Some(xor_mapped_addr))
|
||||
}
|
||||
|
||||
fn timestamp() -> u64 {
|
||||
SystemTime::now()
|
||||
.duration_since(SystemTime::UNIX_EPOCH)
|
||||
.expect("clock error")
|
||||
.as_secs()
|
||||
}
|
||||
Loading…
Reference in a new issue