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|
use crate::{new_rpc_client, Command, Result};
use mullvad_management_interface::types;
use mullvad_types::settings::{DnsOptions, DnsState};
use std::convert::TryInto;
pub struct Dns;
#[mullvad_management_interface::async_trait]
impl Command for Dns {
fn name(&self) -> &'static str {
"dns"
}
fn clap_subcommand(&self) -> clap::App<'static, 'static> {
clap::SubCommand::with_name(self.name())
.about("Configure DNS servers to use when connected")
.setting(clap::AppSettings::SubcommandRequiredElseHelp)
.subcommand(
clap::SubCommand::with_name("get").about("Display the current DNS settings"),
)
.subcommand(
clap::SubCommand::with_name("set")
.about("Set DNS servers to use")
.setting(clap::AppSettings::SubcommandRequiredElseHelp)
.subcommand(
clap::SubCommand::with_name("default")
.about("Use default DNS servers")
.arg(
clap::Arg::with_name("block ads")
.long("block-ads")
.takes_value(false)
.help("Block domain names used for ads"),
)
.arg(
clap::Arg::with_name("block trackers")
.long("block-trackers")
.takes_value(false)
.help("Block domain names used for tracking"),
),
)
.subcommand(
clap::SubCommand::with_name("custom")
.about("Set a list of custom DNS servers")
.arg(
clap::Arg::with_name("servers")
.multiple(true)
.help("One or more IP addresses pointing to DNS resolvers.")
.required(true),
),
),
)
}
async fn run(&self, matches: &clap::ArgMatches<'_>) -> Result<()> {
match matches.subcommand() {
("set", Some(matches)) => match matches.subcommand() {
("default", Some(matches)) => {
self.set_default(
matches.is_present("block ads"),
matches.is_present("block trackers"),
)
.await
}
("custom", Some(matches)) => {
self.set_custom(matches.values_of_lossy("servers")).await
}
_ => unreachable!("No custom-dns server command given"),
},
("get", _) => self.get().await,
_ => unreachable!("No custom-dns command given"),
}
}
}
impl Dns {
async fn set_default(&self, block_ads: bool, block_trackers: bool) -> Result<()> {
let mut rpc = new_rpc_client().await?;
let settings = rpc.get_settings(()).await?.into_inner();
rpc.set_dns_options(types::DnsOptions {
state: types::dns_options::DnsState::Default as i32,
default_options: Some(types::DefaultDnsOptions {
block_ads,
block_trackers,
}),
..settings.tunnel_options.unwrap().dns_options.unwrap()
})
.await?;
println!("Updated DNS settings");
Ok(())
}
async fn set_custom(&self, servers: Option<Vec<String>>) -> Result<()> {
let mut rpc = new_rpc_client().await?;
let settings = rpc.get_settings(()).await?.into_inner();
rpc.set_dns_options(types::DnsOptions {
state: types::dns_options::DnsState::Custom as i32,
custom_options: Some(types::CustomDnsOptions {
addresses: servers.unwrap_or_default(),
}),
..settings.tunnel_options.unwrap().dns_options.unwrap()
})
.await?;
println!("Updated DNS settings");
Ok(())
}
async fn get(&self) -> Result<()> {
let mut rpc = new_rpc_client().await?;
let options: DnsOptions = rpc
.get_settings(())
.await?
.into_inner()
.tunnel_options
.unwrap()
.dns_options
.unwrap()
.try_into()
.unwrap();
match options.state {
DnsState::Default => {
println!("Custom DNS: no");
println!("Block ads: {}", options.default_options.block_ads);
println!("Block trackers: {}", options.default_options.block_trackers);
}
DnsState::Custom => {
println!("Custom DNS: yes\nServers:");
for server in &options.custom_options.addresses {
println!("{}", server);
}
}
}
Ok(())
}
}
|
