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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, net::IpAddr};
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> {
clap::App::new(self.name())
.about("Configure DNS servers to use when connected")
.setting(clap::AppSettings::SubcommandRequiredElseHelp)
.subcommand(clap::App::new("get").about("Display the current DNS settings"))
.subcommand(
clap::App::new("set")
.about("Set DNS servers to use")
.setting(clap::AppSettings::SubcommandRequiredElseHelp)
.subcommand(
clap::App::new("default")
.about("Use default DNS servers")
.arg(
clap::Arg::new("block ads")
.long("block-ads")
.takes_value(false)
.help("Block domain names used for ads"),
)
.arg(
clap::Arg::new("block trackers")
.long("block-trackers")
.takes_value(false)
.help("Block domain names used for tracking"),
)
.arg(
clap::Arg::new("block malware")
.long("block-malware")
.takes_value(false)
.help("Block domains known to be used by malware"),
)
.arg(
clap::Arg::new("block adult content")
.long("block-adult-content")
.takes_value(false)
.help("Block domains known to be used for adult content"),
)
.arg(
clap::Arg::new("block gambling")
.long("block-gambling")
.takes_value(false)
.help("Block domains known to be used for gambling"),
),
)
.subcommand(
clap::App::new("custom")
.about("Set a list of custom DNS servers")
.arg(
clap::Arg::new("servers")
.multiple_occurrences(true)
.help("One or more IP addresses pointing to DNS resolvers.")
.required(true),
),
),
)
}
async fn run(&self, matches: &clap::ArgMatches) -> Result<()> {
match matches.subcommand() {
Some(("set", matches)) => match matches.subcommand() {
Some(("default", matches)) => {
self.set_default(
matches.is_present("block ads"),
matches.is_present("block trackers"),
matches.is_present("block malware"),
matches.is_present("block adult content"),
matches.is_present("block gambling"),
)
.await
}
Some(("custom", matches)) => {
let servers = match matches.values_of_t::<IpAddr>("servers") {
Ok(servers) => Some(servers),
Err(e) => match e.kind {
clap::ErrorKind::ArgumentNotFound => None,
_ => e.exit(),
},
};
self.set_custom(servers).await
}
_ => unreachable!("No custom-dns server command given"),
},
Some(("get", _)) => self.get().await,
_ => unreachable!("No custom-dns command given"),
}
}
}
impl Dns {
async fn set_default(
&self,
block_ads: bool,
block_trackers: bool,
block_malware: bool,
block_adult_content: bool,
block_gambling: 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,
block_malware,
block_adult_content,
block_gambling,
}),
..settings.tunnel_options.unwrap().dns_options.unwrap()
})
.await?;
println!("Updated DNS settings");
Ok(())
}
async fn set_custom(&self, servers: Option<Vec<IpAddr>>) -> 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()
.into_iter()
.map(|a| a.to_string())
.collect(),
}),
..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);
println!("Block malware: {}", options.default_options.block_malware);
println!(
"Block adult content: {}",
options.default_options.block_adult_content
);
println!("Block gambling: {}", options.default_options.block_gambling);
}
DnsState::Custom => {
println!("Custom DNS: yes\nServers:");
for server in &options.custom_options.addresses {
println!("{}", server);
}
}
}
Ok(())
}
}
|
