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Make banned IP format less strict to support possible future changes

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timvisee 2021-11-17 18:46:45 +01:00
parent b168dcefde
commit 785bd2f33e
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2 changed files with 23 additions and 9 deletions
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20
src/mc/ban.rs
View File

@ -45,31 +45,37 @@ pub struct BannedIp {
pub ip: IpAddr, pub ip: IpAddr,
/// Ban creation time. /// Ban creation time.
pub created: String, pub created: Option<String>,
/// Ban source. /// Ban source.
pub source: String, pub source: Option<String>,
/// Ban expiry time. /// Ban expiry time.
pub expires: String, pub expires: Option<String>,
/// Ban reason. /// Ban reason.
pub reason: String, pub reason: Option<String>,
} }
impl BannedIp { impl BannedIp {
/// Check if this entry is currently banned. /// Check if this entry is currently banned.
pub fn is_banned(&self) -> bool { pub fn is_banned(&self) -> bool {
// Get expiry time
let expires = match &self.expires {
Some(expires) => expires,
None => return true,
};
// If expiry is forever, the user is banned // If expiry is forever, the user is banned
if self.expires.trim().to_lowercase() == EXPIRY_FOREVER { if expires.trim().to_lowercase() == EXPIRY_FOREVER {
return true; return true;
} }
// Parse expiry time, check if it has passed // Parse expiry time, check if it has passed
let expiry = match DateTime::parse_from_str(&self.expires, "%Y-%m-%d %H:%M:%S %z") { let expiry = match DateTime::parse_from_str(&expires, "%Y-%m-%d %H:%M:%S %z") {
Ok(expiry) => expiry, Ok(expiry) => expiry,
Err(err) => { Err(err) => {
error!(target: "lazymc", "Failed to parse ban expiry '{}', assuming still banned: {}", self.expires, err); error!(target: "lazymc", "Failed to parse ban expiry '{}', assuming still banned: {}", expires, err);
return true; return true;
} }
}; };

12
src/status.rs
View File

@ -19,6 +19,9 @@ use crate::proto::packet::{self, RawPacket};
use crate::proto::packets; use crate::proto::packets;
use crate::server::{self, Server}; use crate::server::{self, Server};
/// Default ban reason if unknown.
const DEFAULT_BAN_REASON: &str = "Banned by an operator.";
/// Proxy the given inbound stream to a target address. /// Proxy the given inbound stream to a target address.
// TODO: do not drop error here, return Box<dyn Error> // TODO: do not drop error here, return Box<dyn Error>
pub async fn serve( pub async fn serve(
@ -130,8 +133,13 @@ pub async fn serve(
// Kick if client is banned // Kick if client is banned
if let Some(ban) = server.ban_entry(&client.peer.ip()).await { if let Some(ban) = server.ban_entry(&client.peer.ip()).await {
if ban.is_banned() { if ban.is_banned() {
info!(target: "lazymc", "Login from banned IP {} ({}), disconnecting", client.peer.ip(), &ban.reason); if let Some(reason) = ban.reason {
action::kick(&client, &ban.reason, &mut writer).await?; info!(target: "lazymc", "Login from banned IP {} ({}), disconnecting", client.peer.ip(), &reason);
action::kick(&client, &reason, &mut writer).await?;
} else {
info!(target: "lazymc", "Login from banned IP {}, disconnecting", client.peer.ip());
action::kick(&client, DEFAULT_BAN_REASON, &mut writer).await?;
}
break; break;
} }
} }