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refactor: docstring for checkIsRelayURLAcceptable

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Related: https://gitlab.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/-/issues/40378.
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WofWca 2025-03-01 23:44:03 +04:00 • committed by Shelikhoo
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commit 50bed1e67a
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8
proxy/lib/snowflake.go
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@ -688,7 +688,13 @@ func (sf *SnowflakeProxy) runSession(sid string) {
}
}
// Returns nil if the relayURL is acceptable
// Returns nil if the relayURL is acceptable.
// This is a pure function.
// If the hostname in the `relayURL` is not an IP address
// (but a name instead, e.g. `localhost`),
// this function will _not_ perform a DNS request to figure out
// if the name resolves to a private IP address,
// i.e. the private / public check will effectively be skipped.
func checkIsRelayURLAcceptable(
allowedHostNamePattern string,
allowPrivateIPs bool,