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12147
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use mio;
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13666
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use crate::{
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server::{
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13800
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client::HWClient,
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13666
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server::HWServer,
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coretypes::ClientId,
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actions::{Action, Action::*}
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},
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protocol::messages::{
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HWProtocolMessage, HWServerMessage::*
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},
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utils::is_name_illegal
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13419
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};
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13800
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#[cfg(feature = "official-server")]
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use openssl::sha::sha1;
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use std::fmt::{Formatter, LowerHex};
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#[derive(PartialEq)]
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struct Sha1Digest([u8; 20]);
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impl LowerHex for Sha1Digest {
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fn fmt(&self, f: &mut Formatter) -> Result<(), std::fmt::Error> {
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for byte in &self.0 {
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write!(f, "{:02x}", byte)?;
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}
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Ok(())
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}
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}
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#[cfg(feature = "official-server")]
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fn get_hash(client: &HWClient, salt1: &str, salt2: &str) -> Sha1Digest {
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let s = format!("{}{}{}{}{}", salt1, salt2,
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client.web_password, client.protocol_number, "!hedgewars");
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Sha1Digest(sha1(s.as_bytes()))
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}
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12147
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13419
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pub fn handle(server: & mut HWServer, client_id: ClientId, message: HWProtocolMessage) {
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12147
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match message {
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13416
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HWProtocolMessage::Nick(nick) => {
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13666
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let client = &mut server.clients[client_id];
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debug!("{} {}", nick, is_name_illegal(&nick));
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let actions = if client.room_id != None {
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unreachable!()
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}
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else if !client.nick.is_empty() {
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vec![ProtocolError("Nickname already provided.".to_string())]
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13416
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}
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13800
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else if is_name_illegal(&nick) {
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13666
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vec![ByeClient("Illegal nickname! Nicknames must be between 1-40 characters long, must not have a trailing or leading space and must not have any of these characters: $()*+?[]^{|}".to_string())]
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}
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else {
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client.nick = nick.clone();
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vec![Nick(nick).send_self().action(),
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CheckRegistered]
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};
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13419
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server.react(client_id, actions);
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13798
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}
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12147
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HWProtocolMessage::Proto(proto) => {
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13666
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let client = &mut server.clients[client_id];
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let actions = if client.protocol_number != 0 {
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vec![ProtocolError("Protocol already known.".to_string())]
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13416
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}
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13666
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else if proto == 0 {
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vec![ProtocolError("Bad number.".to_string())]
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}
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else {
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client.protocol_number = proto;
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vec![Proto(proto).send_self().action(),
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CheckRegistered]
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};
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13419
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server.react(client_id, actions);
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13798
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}
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#[cfg(feature = "official-server")]
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13800
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HWProtocolMessage::Password(hash, salt) => {
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let c = &server.clients[client_id];
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let client_hash = get_hash(c, &salt, &c.server_salt);
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let server_hash = get_hash(c, &c.server_salt, &salt);
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let actions = if client_hash == server_hash {
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vec![ServerAuth(format!("{:x}", server_hash)).send_self().action(),
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JoinLobby]
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} else {
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vec![ByeClient("Authentication failed".to_string())]
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};
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server.react(client_id, actions);
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}
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#[cfg(feature = "official-server")]
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13798
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HWProtocolMessage::Checker(protocol, nick, password) => {
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let c = &mut server.clients[client_id];
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c.nick = nick;
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c.web_password = password;
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c.set_is_checker(true);
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}
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12147
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_ => warn!("Incorrect command in logging-in state"),
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}
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}
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