Gracefully handle bad native certs #520
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Instead of failing and bailing when a bad cert is found, ignore one-off errors for bad certs and continue to load the rest of the store. These one-off errors mostly affect MacOS users, as found in this rustls-native-certs issue: rustls/rustls-native-certs#4 Fixes: hyperium#519
This was referenced Mar 18, 2021
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Description
Prevent problems reading individual certs from the cert store from interfering with the use of other valid certs when the
tls-rootsfeature is enabled.Fixes #519
Motivation
MacOS users will often have certs in their Trusted Settings Record that cannot be parsed by
rustls_native_roots(used in conjunction with thetls-rootsfeature here). This change makestls-rootsusable for those users again.Solution
Similar to this implementation in
hyper-rustls, one-off errors are effectively ignored when loading the native cert store.