Function expand_existing_access

crates/openshell-policy/src/merge.rs:702–728

(
    endpoint: &mut NetworkEndpoint,
    host: &str,
    port: u32,
    warnings: &mut Vec<PolicyMergeWarning>,
)

}

fn expand_existing_access(
    endpoint: &mut NetworkEndpoint,
    host: &str,
    port: u32,
    warnings: &mut Vec<PolicyMergeWarning>,
) -> Result<(), PolicyMergeError> {
    if endpoint.access.is_empty() {
        return Ok(());
    }

    let access = endpoint.access.clone();
    let expanded = expand_access_preset(&endpoint.protocol, &access).ok_or_else(|| {
        PolicyMergeError::UnsupportedAccessPreset {
            host: host.to_string(),
            port,
            access: access.clone(),
        }
    })?;
    endpoint.access.clear();
    append_unique_l7_rules(&mut endpoint.rules, &expanded);
    warnings.push(PolicyMergeWarning::ExpandedAccessPreset {
        host: host.to_string(),
        port,
        access,
    });
    Ok(())
}

fn expand_access_preset(protocol: &str, access: &str) -> Option<Vec<L7Rule>> {
    let methods = match (protocol, access) {