feat(dns): allow custom dns server as cli flag #193
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TheLostLambda
approved these changes
Sep 30, 2020
src/network/dns/resolver.rs
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| Some(dns_server_address) => { | ||
| let mut config = ResolverConfig::new(); | ||
| let options = ResolverOpts::default(); | ||
| // let socket = SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(1, 1, 1, 1), 53)); |
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Should this comment be removed? Is it something that still needs addressing?
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Hot damn, thanks for catching this :)
| tls_dns_name: None, | ||
| }; | ||
| config.add_name_server(nameserver_config); | ||
| TokioAsyncResolver::new(config, options, runtime).await? |
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It's a shame we can't just change the nameserver of the configuration returned by from_system_conf, but I think this is the best we can do right now :)
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Yeah, for sure. I mostly want this feature as a workaround for issues where we fail to parse resolv.conf, so we'd be panicking by then.
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Thanks for the review @TheLostLambda ! |
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Since there are some cases in which we don't properly detect the system dns servers to performs reverse dns lookup, I added a CLI option that would allow users to manually specify a dns server as a workaround.
Usage example:
sudo bandwhich --dns-server 1.1.1.1