Skip to content

feat: hardcode mail.sangham.net into DNS cache #4921

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Nov 4, 2023
Merged

feat: hardcode mail.sangham.net into DNS cache #4921

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 17 additions & 0 deletions src/net.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
//! # Common network utilities.
use std::net::Ipv4Addr;
use std::net::{IpAddr, SocketAddr};
use std::pin::Pin;
use std::str::FromStr;
Expand Down Expand Up @@ -119,6 +120,22 @@ async fn lookup_host_with_cache(
}
}
}

if resolved_addrs.is_empty() {
// Load hardcoded cache if everything else fails.
//
// See <https://support.delta.chat/t/no-dns-resolution-result/2778> and
// <https://github.com/deltachat/deltachat-core-rust/issues/4920> for reasons.
//
// In the future we may pre-resolve all provider database addresses
// and build them in.
if hostname == "mail.sangham.net" {
resolved_addrs.push(SocketAddr::new(
IpAddr::V4(Ipv4Addr::new(159, 69, 186, 85)),
port,
));
}
}
}

Ok(resolved_addrs)
Expand Down