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Description

rustls v0.23.24 (release notes here) introduces, among other things, a new variant NotValidForNameContext to the CertificateError enum. As a result, the explicit handling of the variant NotValidForName is no longer sufficient to avoid TLS verification errors relating to a mismatch between the remote hostname and what is specified in the certificate:

This enum is marked as #[non_exhaustive], which is presumably why this changed is considered a non-breaking change. Nonetheless, this breaks connections that rely on NoHostnameTlsVerifier.

Reproduction steps

1. Create a new project using sqlx with the runtime-tokio-rustls feature.
2. Set up a database with TLS enabled. Ensure the database specifies a DNS name in its certificate.
3. Connect to the database via its IP address.

The above steps should result in an error.

SQLx version

0.8.3

Enabled SQLx features

runtime-tokio-rustls, postgres, macros, migrate, time, rust_decimal

Database server and version

Postgres 15.2

Operating system

Debian-based

Rust version

1.85