mirror of https://github.com/dswd/vpncloud.git
Prepare release
This commit is contained in:
Dennis Schwerdel
parent
ed260d9a98
commit
13688edd75
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@ -11,6 +11,7 @@ This project follows [semantic versioning](http://semver.org).
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- [changed] Updated dependencies
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- [changed] Changed Rust version to 1.49.0
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- [fixed] Added missing peer address propagation
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- [fixed] Fixed problem with peer addresses without port
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### v2.0.1 (2020-11-07)
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@ -376,9 +376,9 @@ checksum = "615caabe2c3160b313d52ccc905335f4ed5f10881dd63dc5699d47e90be85691"
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[[package]]
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name = "idna"
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version = "0.2.0"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
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checksum = "de910d521f7cc3135c4de8db1cb910e0b5ed1dc6f57c381cd07e8e661ce10094"
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dependencies = [
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"matches",
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"unicode-bidi",
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@ -911,9 +911,9 @@ checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
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[[package]]
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name = "standback"
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version = "0.2.14"
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version = "0.2.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c66a8cff4fa24853fdf6b51f75c6d7f8206d7c75cab4e467bcd7f25c2b1febe0"
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checksum = "a2beb4d1860a61f571530b3f855a1b538d0200f7871c63331ecd6f17b1f014f8"
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dependencies = [
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"version_check",
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]
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@ -242,12 +242,8 @@ impl<D: Device, P: Protocol, S: Socket, TS: TimeSource> GenericCloud<D, P, S, TS
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///
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/// This method adds a peer to the list of nodes to reconnect to. A periodic task will try to
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/// connect to the peer if it is not already connected.
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pub fn add_reconnect_peer(&mut self, mut add: String) {
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pub fn add_reconnect_peer(&mut self, add: String) {
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let now = TS::now();
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if add.find(':').unwrap_or(0) <= add.find(']').unwrap_or(0) {
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// : not present or only in IPv6 address
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add = format!("{}:{}", add, DEFAULT_PORT)
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}
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let resolved = match resolve(&add as &str) {
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Ok(addrs) => addrs,
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Err(err) => {
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@ -465,7 +461,6 @@ impl<D: Device, P: Protocol, S: Socket, TS: TimeSource> GenericCloud<D, P, S, TS
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self.next_stats_out = now + STATS_INTERVAL;
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self.traffic.period(Some(5));
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}
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// TODO: every 5 minutes: EVENT periodic
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if let Some(peers) = self.beacon_serializer.get_cmd_results() {
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debug!("Loaded beacon with peers: {:?}", peers);
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for peer in peers {
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@ -497,7 +497,11 @@ pub struct Args {
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pub enum Command {
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/// Generate and print a key-pair and exit
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#[structopt(name = "genkey", alias = "gen-key")]
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GenKey,
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GenKey {
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/// The shared password to encrypt all traffic
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#[structopt(short, long, env)]
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password: Option<String>,
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},
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/// Run a websocket proxy
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#[cfg(feature = "websocket")]
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@ -519,7 +523,7 @@ pub enum Command {
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/// Generate shell completions
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Completion {
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/// Shell to create completions for
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#[structopt(long)]
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#[structopt(long, default_value="bash")]
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shell: Shell
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}
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}
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12
src/main.rs
12
src/main.rs
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@ -45,7 +45,7 @@ use std::{
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use crate::{
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cloud::GenericCloud,
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config::{Args, Command, Config},
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config::{Args, Command, Config, DEFAULT_PORT},
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crypto::Crypto,
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device::{Device, TunTapDevice, Type},
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net::Socket,
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@ -185,7 +185,11 @@ fn run<P: Protocol, S: Socket>(config: Config, socket: S) {
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};
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let mut cloud =
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GenericCloud::<TunTapDevice, P, S, SystemTimeSource>::new(&config, socket, device, port_forwarding, stats_file);
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for addr in config.peers {
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for mut addr in config.peers {
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if addr.find(':').unwrap_or(0) <= addr.find(']').unwrap_or(0) {
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// : not present or only in IPv6 address
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addr = format!("{}:{}", addr, DEFAULT_PORT)
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}
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try_fail!(cloud.connect(&addr as &str), "Failed to send message to {}: {}", &addr);
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cloud.add_reconnect_peer(addr);
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}
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@ -239,8 +243,8 @@ fn main() {
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});
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if let Some(cmd) = args.cmd {
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match cmd {
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Command::GenKey => {
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let (privkey, pubkey) = Crypto::generate_keypair(args.password.as_deref());
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Command::GenKey { password } => {
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let (privkey, pubkey) = Crypto::generate_keypair(password.as_deref());
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println!("Private key: {}\nPublic key: {}\n", privkey, pubkey);
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println!(
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"Attention: Keep the private key secret and use only the public key on other nodes to establish trust."
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178
vpncloud.adoc
178
vpncloud.adoc
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@ -45,7 +45,10 @@ vpncloud - Peer-to-peer VPN
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The address on which to listen for data. This can be simply a port number
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or a full address in form IP:PORT. If the IP is specified as \'\*' or only
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a port number is given, then the socket will listen on all IPs (v4 and v6),
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otherwise the socket will only listen on the given IP. [default: **3210**]
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otherwise the socket will only listen on the given IP.
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Alternatively, a websocket proxy URL (starting with ws://) can be given
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here. Please see the section *WEBSOCKET PROXY* for more info.
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[default: **3210**]
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*-c <addr>*, *--peer <addr>*, *--connect <addr>*::
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Address of a peer to connect to. The address should be in the form
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@ -62,31 +65,27 @@ vpncloud - Peer-to-peer VPN
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Do not automatically claim the IP set on the virtual interface (on TUN
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devices).
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*-p <key>*, *--password <key>*::
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*-p <password>*, *--password <password>*::
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A password to encrypt the VPN data. This parameter must be set unless a
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password is given in a config file or a private key is set.
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See *SECURITY* for more info.
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*--key <key>*, *--private-key <key>*::
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A private key to use for encryption. The key must be given as base62 as
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generated by *--genkey*. See *SECURITY* for more info.
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generated by *genkey*. See *SECURITY* for more info.
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*--public-key <key>*::
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A public key matching the given private key. The key must be given as base62
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as generated by *--genkey*. This argument is purely optional. See *SECURITY*
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as generated by *genkey*. This argument is purely optional. See *SECURITY*
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for more info.
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*--trust <key>*, **--trusted-key <key>*::
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A public key to trust. Any peer must have a key pair that is trusted by this
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node, otherwise it will be rejected. The key must be given as base62 as
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generated by *--genkey*. This argument can be given multiple times. If it is
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generated by *genkey*. This argument can be given multiple times. If it is
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not set, only the own public key will be trusted. See *SECURITY* for more
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info.
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*--genkey*::
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Generate and print a random key pair and exit. The key pair is printed as
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base62 and can be used as private-key, public-key and trusted-key options.
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*--algo <method>*, *--algorithm <method>*::
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Supported encryption algorithms ("plain", "aes128", "aes256", or "chacha20").
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Nodes exchange the supported algorithms and select the one that is fastest on
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@ -179,9 +178,11 @@ vpncloud - Peer-to-peer VPN
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*--statsd-server <server>*::
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If set, periodically send statistics on current traffic and some important
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events to the given statsd server (host:port).
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Please see *STATSD SUPPORT* for more info.
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*--statsd-prefix <prefix>*::
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Sets the prefix to use for all statsd entries. [default: **vpncloud**]
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Please see *STATSD SUPPORT* for more info.
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*--daemon*::
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Spawn a background process instead of running the process in the foreground.
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@ -196,6 +197,12 @@ vpncloud - Peer-to-peer VPN
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Disable automatic port forward. If this option is not set, VpnCloud tries to
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detect a NAT router and automatically add a port forwarding to it.
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*--hook <script>*::
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Call the given script on an event. If the script is in the format *event:script*,
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it will only be called for the specified event type, otherwise it will be called
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for all events. This parameter can be given multiple times.
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Please see the section *HOOK SCRIPTS* for more info.
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*-v*, *--verbose*::
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Print debug information, including information for data being received and
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sent.
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@ -207,6 +214,41 @@ vpncloud - Peer-to-peer VPN
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Display the help.
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== SUBCOMMANDS
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The following subcommands can be given to run some special action instead of
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running a VpnCloud instance. Any parameters must be given after the subcommand
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name (except for -v -q and -h). Only the listed parameters are accepted for the
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subcommands.
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*genkey*::
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Generate and print a random key pair and exit. The key pair is printed as
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base62 and can be used as private-key, public-key and trusted-key options.
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See *SECURITY* for more info.
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*-p <password>*, *--password <password>*:::
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Derive the key pair from the given password instead of creating randomly.
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*ws-proxy*::
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Run a websocket proxy instead of the normal VpnCloud instance.
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See *WEBSOCKET PROXY* for more info.
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*-l <addr>*, *--listen <addr>*:::
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Listen on the given TCP address (IP:PORT or PORT). [default: **3210**]
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*migrate-config*::
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Migrate an old config to the current config format.
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*--config-file*:::
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The path of the config file to convert.
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*completion*::
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Output shell completions for the VpnCloud command.
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*--shell*:::
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The shell type to create completions for. [default: **bash**]
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== DESCRIPTION
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*VpnCloud* is a peer-to-peer VPN over UDP. It creates a virtual network
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@ -302,28 +344,28 @@ are optional and override the defaults. Please see the section *OPTIONS* for
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detailed descriptions of the options.
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*device*:: A key-value map with device settings
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*type*:: Set the type of network. Same as *--type*
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*name*:: Name of the virtual device. Same as *--device*
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*path*:: Set the path of the base device. Same as *--device-path*
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*fix-rp-filter*:: Fix the rp_filter settings on the host. Same as *--fix-rp-filter*
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*type*::: Set the type of network. Same as *--type*
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*name*::: Name of the virtual device. Same as *--device*
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*path*::: Set the path of the base device. Same as *--device-path*
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*fix-rp-filter*::: Fix the rp_filter settings on the host. Same as *--fix-rp-filter*
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*ip*:: An IP address (plus optional prefix length) for the interface. Same as *--ip*
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*ifup*:: A command to setup the network interface. Same as *--ifup*
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*ifdown*:: A command to bring down the network interface. Same as *--ifdown*
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*crypto*:: A key-value map with crypto settings
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*algorithms*:: The encryption algorithms to support. See *--algorithm*
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*password*:: The password to use for encryption. Same as *--password*
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*private-key*:: The private key to use. Same as *--private-key*
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*public-key*:: The public key to use. Same as *--public-key*
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*trusted-keys*:: Other public keys to trust. See *--trusted-key*
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*algorithms*::: The encryption algorithms to support. See *--algorithm*
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*password*::: The password to use for encryption. Same as *--password*
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*private-key*::: The private key to use. Same as *--private-key*
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*public-key*::: The public key to use. Same as *--public-key*
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*trusted-keys*::: Other public keys to trust. See *--trusted-key*
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*listen*:: The address on which to listen for data. Same as *--listen*
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*peers*:: A list of addresses to connect to. See *--connect*
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*peer_timeout*:: Peer timeout in seconds. Same as *--peer-timeout*
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*keepalive*:: Periodically send message to keep connections alive. Same as *--keepalive*
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*beacon*:: A key-value map with beacon settings
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*store*:: Path or command to store beacons. Same as *--beacon-store*
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*load*:: Path or command to load beacons. Same as *--beacon-load*
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*interval*:: Interval for loading and storing beacons in seconds. Same as *--beacon-interval*
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*password*:: Password to encrypt the beacon with. Same as *--beacon-password*
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*store*::: Path or command to store beacons. Same as *--beacon-store*
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*load*::: Path or command to load beacons. Same as *--beacon-load*
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*interval*::: Interval for loading and storing beacons in seconds. Same as *--beacon-interval*
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*password*::: Password to encrypt the beacon with. Same as *--beacon-password*
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*mode*:: The mode of the VPN. Same as *--mode*
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*switch_timeout*:: Switch table entry timeout in seconds. Same as *--switch-timeout*
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*claims*:: A list of local subnets to claim. See *--claim*
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@ -334,8 +376,10 @@ detailed descriptions of the options.
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*pid_file*:: The path of the pid file to create. Same as *--pid-file*
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*stats_file*:: The path of the statistics file. Same as *--stats-file*
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*statsd*:: A key-value map with statsd settings
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*server*:: Server to report statistics to. Same as *--statsd-server*
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*prefix*:: Prefix to use when reporting to statsd. Same as *--statsd-prefix*
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*server*::: Server to report statistics to. Same as *--statsd-server*
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*prefix*::: Prefix to use when reporting to statsd. Same as *--statsd-prefix*
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*hook*:: A hook script to be called for every event type. See *HOOK SCRIPTS* for info.
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*hooks*:: A map of event type to script for scripts that only fire for one event type. See *HOOK SCRIPTS* for info.
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=== Example
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@ -366,7 +410,7 @@ VpnCloud uses strong cryptography based on modern cryptographic primitives.
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Before exchanging any payload data with peers a secure connection is
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initialized based on key pairs. Each node has a key pair consisting of a
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private and a public key (*--private-key* and *--public-key*). Those key pairs
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can be generated via *--genkey*.
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can be generated via *genkey*.
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To allow connections, nodes need to list the public keys of all other nodes as
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trusted keys (*--trusted-key*). To simplify the key exchange, key pairs can be
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derived from passwords (*--password*). If no trusted keys are configured, nodes
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@ -461,6 +505,90 @@ All keys are prefixed by a common prefix. The prefix defaults to *vpncloud* but
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can be changed via **--statsd-prefix** or the config option **statsd_prefix**.
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== WEBSOCKET PROXY
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The websocket proxy mode replaces the local UDP port by a websocket proxy to allow
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connectivity even in very restricted environments.
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This means that instead of listening on a local port for incoming messages and
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sending outgoing messages via this port, all UDP traffic will be forwarded to and
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received from a remote proxy via the websocket protocol. This proxy opens a UDP
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port for each VpnCloud instance that connects to it. The instance can use this port
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remotely just like it would use a real local UDP port.
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The proxy is transparent, it does not manipulate or even decrypt the messages it
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forwards. Trust relations are still created between VpnCloud instances, not between
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an instance and the proxy. The proxy only ever sees encrypted messages. Therefore,
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the connection to it uses plain HTTP.
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A websocket proxy can be stared by using the *ws-proxy* subcommand. A custom port
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can be set using the *--listen* parameter. (Note that this port never conflicts
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with a VpnCloud port on the same machine since VpnCloud uses UDP and the proxy uses
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TCP.)
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A VpnCloud instance can use a websocket proxy instead of opening a local port by
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specifying the websocket proxy via its *--listen* parameter
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(e.g. *--listen ws://example.com:3210*). Note that the websocket URL must start with
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*ws:\/\/*, not *http:\/\/*.
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== HOOK SCRIPTS
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VpnCloud supports calling hook scripts on certain events. The scripts can either be
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configured on the command line or in the config file. Hook scripts can either be
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configured per event type or globally.
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When an event occurs, the specified hook script is executed using
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the current permissions of the user that started the instance. Note that this means
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that if VpnCloud is configured to drop permissions, only the events *device_setup*
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and *device_configured* will be executed using root permissions.
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Hook scripts are executed using *sh -c*, so either binaries, shell scripts and even
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shell commands can be used. The script will be executed in parallel to the VpnCloud
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instance. Its output will be printed to the stdout of VpnCloud and the return code
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is ignored.
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The hook script will receive information on the event using environment variables.
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The variable *EVENT* will contain the name of the event. Other variables depend on
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the event type.
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The following event types
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*peer_connecting*::
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A new peer connection is in the process of being established. The variable
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*PEER* contains the address of the peer but no other information is known at
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that point in time.
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Variables: *IFNAME*, *PEER*
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*peer_connected*::
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A new peer successfully connected to this instance. Besides the peer address,
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also a list of claims (*CLAIMS*, space separated) and the node id of the new
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peer (*NODE_ID*) are given to the script.
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Variables: *IFNAME*, *PEER*, *CLAIMS*, *NODE_ID*
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*peer_disconnected*::
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A peer connection has been closed. If the peer has been fully connected, the
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node id is given (*NODE_ID*).
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Variables: *IFNAME*, *PEER*, (*NODE_ID*)
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*device_setup*::
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This event is fired when the virtual device has been created but not yet
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configured.
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Variables: *IFNAME*
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*device_configured*::
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This event is fired when the virtual device is fully configured.
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Variables: *IFNAME*
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*vpn_started*::
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This event is fired when the VPN is ready to be used.
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Variables: *IFNAME*
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*vpn_shutdown*::
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This event is fired when the VPN s shutting down.
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Variables: *IFNAME*
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== DEVICE SETUP
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The device is setup using the following steps:
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Reference in New Issue