Merged all workspace projects into a single binary project

src/tcp_relay_server/server_config.rs

@@ -0,0 +1,84 @@
+use clap::Parser;
+
+/// TCP relay server mode
+#[derive(Parser, Debug, Clone)]
+#[clap(
+    author,
+    version,
+    about,
+    long_about = "TCP-over-HTTP server. This program can be configured behind a reverse-proxy (without TLS authentication)."
+)]
+pub struct ServerConfig {
+    /// Access tokens
+    #[clap(short, long)]
+    pub tokens: Vec<String>,
+
+    /// Access tokens stored in a file, one token per line
+    #[clap(long)]
+    pub tokens_file: Option<String>,
+
+    /// Forwarded ports
+    #[clap(short, long)]
+    pub ports: Vec<u16>,
+
+    /// Upstream server
+    #[clap(short, long, default_value = "127.0.0.1")]
+    pub upstream_server: String,
+
+    /// HTTP server listen address
+    #[clap(short, long, default_value = "0.0.0.0:8000")]
+    pub listen_address: String,
+
+    /// Increment ports on client. Useful for debugging and running both client and server
+    /// on the same machine
+    #[clap(short, long, default_value_t = 0)]
+    pub increment_ports: u16,
+
+    /// TLS certificate. Specify also private key to use HTTPS/TLS instead of HTTP
+    #[clap(long)]
+    pub tls_cert: Option<String>,
+
+    /// TLS private key. Specify also certificate to use HTTPS/TLS instead of HTTP
+    #[clap(long)]
+    pub tls_key: Option<String>,
+
+    /// Restrict TLS client authentication to certificates signed directly or indirectly by the
+    /// provided root certificates
+    ///
+    /// This option automatically enable TLS client authentication
+    #[clap(long)]
+    pub tls_client_auth_root_cert: Option<String>,
+
+    /// TLS client authentication revocation list (CRL file)
+    #[clap(long)]
+    pub tls_revocation_list: Option<String>,
+}
+
+impl ServerConfig {
+    pub fn has_token_auth(&self) -> bool {
+        !self.tokens.is_empty()
+    }
+
+    pub fn has_tls_config(&self) -> bool {
+        self.tls_cert.is_some() && self.tls_key.is_some()
+    }
+
+    pub fn has_tls_client_auth(&self) -> bool {
+        self.tls_client_auth_root_cert.is_some()
+    }
+
+    pub fn has_auth(&self) -> bool {
+        self.has_token_auth() || self.has_tls_client_auth()
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use crate::server_config::ServerConfig;
+
+    #[test]
+    fn verify_cli() {
+        use clap::CommandFactory;
+        ServerConfig::command().debug_assert()
+    }
+}