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use anyhow::Result;
use clap::Subcommand;
use mullvad_management_interface::MullvadProxyClient;
use mullvad_types::settings::{CustomDnsOptions, DefaultDnsOptions, DnsOptions, DnsState};
use std::net::IpAddr;
#[derive(Subcommand, Debug)]
pub enum Dns {
/// Display the current DNS settings
Get,
/// Set DNS servers to use
Set {
#[clap(subcommand)]
cmd: DnsSet,
},
}
#[derive(Subcommand, Debug, Clone)]
pub enum DnsSet {
/// Use a default DNS server, with or without content
/// blocking.
Default {
/// Block domains known to be used for ads
#[arg(long)]
block_ads: bool,
/// Block domains known to be used for tracking
#[arg(long)]
block_trackers: bool,
/// Block domains known to be used by malware
#[arg(long)]
block_malware: bool,
/// Block domains known to be used for adult content
#[arg(long)]
block_adult_content: bool,
/// Block domains known to be used for gambling
#[arg(long)]
block_gambling: bool,
/// Block domains related to social media
#[arg(long)]
block_social_media: bool,
},
/// Set a list of custom DNS servers
Custom {
/// One or more IP addresses pointing to DNS resolvers
#[arg(required(true), num_args = 1..)]
servers: Vec<IpAddr>,
},
}
impl Dns {
pub async fn handle(self) -> Result<()> {
match self {
Dns::Get => Self::get().await,
Dns::Set {
cmd:
DnsSet::Default {
block_ads,
block_trackers,
block_malware,
block_adult_content,
block_gambling,
block_social_media,
},
} => {
Self::set_default(
block_ads,
block_trackers,
block_malware,
block_adult_content,
block_gambling,
block_social_media,
)
.await
}
Dns::Set {
cmd: DnsSet::Custom { servers },
} => Self::set_custom(servers).await,
}
}
async fn get() -> Result<()> {
let mut rpc = MullvadProxyClient::new().await?;
let options = rpc.get_settings().await?.tunnel_options.dns_options;
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);
println!(
"Block social media: {}",
options.default_options.block_social_media
);
}
DnsState::Custom => {
println!("Custom DNS: yes\nServers:");
for server in &options.custom_options.addresses {
println!("{server}");
}
}
}
Ok(())
}
async fn set_default(
block_ads: bool,
block_trackers: bool,
block_malware: bool,
block_adult_content: bool,
block_gambling: bool,
block_social_media: bool,
) -> Result<()> {
let mut rpc = MullvadProxyClient::new().await?;
let settings = rpc.get_settings().await?;
rpc.set_dns_options(DnsOptions {
state: DnsState::Default,
default_options: DefaultDnsOptions {
block_ads,
block_trackers,
block_malware,
block_adult_content,
block_gambling,
block_social_media,
},
..settings.tunnel_options.dns_options
})
.await?;
println!("Updated DNS settings");
Ok(())
}
async fn set_custom(servers: Vec<IpAddr>) -> Result<()> {
let mut rpc = MullvadProxyClient::new().await?;
let settings = rpc.get_settings().await?;
rpc.set_dns_options(DnsOptions {
state: DnsState::Custom,
custom_options: CustomDnsOptions { addresses: servers },
..settings.tunnel_options.dns_options
})
.await?;
println!("Updated DNS settings");
Ok(())
}
}
|
