rust-nex/rnex-core/src/nex/auth_handler.rs
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2026-04-28 14:52:19 +02:00

339 lines
11 KiB
Rust

use crate::grpc::account;
use crate::reggie::{RemoteEdgeNodeHolder, RemoteEdgeNodeManagement};
use crate::{define_rmc_proto, kerberos};
use cfg_if::cfg_if;
use log::{info, warn};
use macros::rmc_struct;
use rnex_core::PID;
use rnex_core::kerberos::{KerberosDateTime, Ticket, derive_key};
use rnex_core::nex::account::Account;
use rnex_core::rmc::protocols::OnlyRemote;
use rnex_core::rmc::protocols::auth::{Auth, RawAuth, RawAuthInfo, RemoteAuth};
use rnex_core::rmc::response::ErrorCode;
use rnex_core::rmc::response::ErrorCode::Core_Unknown;
use rnex_core::rmc::structures::any::Any;
use rnex_core::rmc::structures::connection_data::ConnectionData;
use rnex_core::rmc::structures::connection_data::ConnectionDataOld;
use rnex_core::rmc::structures::qresult::QResult;
use std::hash::{DefaultHasher, Hasher};
use std::net::SocketAddrV4;
use std::sync::{Arc, LazyLock};
define_rmc_proto!(
proto AuthClientProtocol{
Auth
}
);
#[rmc_struct(AuthClientProtocol)]
pub struct AuthHandler {
pub destination_server_acct: &'static Account,
pub build_name: &'static str,
//pub station_url: &'static str,
pub control_server: Arc<OnlyRemote<RemoteEdgeNodeHolder>>,
}
pub fn generate_ticket(
source_act_login_data: (PID, &[u8]),
dest_act_login_data: (PID, &[u8]),
) -> Box<[u8]> {
let source_key = derive_key(source_act_login_data.0, source_act_login_data.1);
let dest_key = derive_key(dest_act_login_data.0, dest_act_login_data.1);
let internal_data = kerberos::TicketInternalData::new(source_act_login_data.0);
let encrypted_inner = internal_data.encrypt(dest_key);
let encrypted_session_ticket = Ticket {
pid: dest_act_login_data.0,
session_key: internal_data.session_key,
}
.encrypt(source_key, &encrypted_inner);
encrypted_session_ticket
}
pub fn generate_ticket_with_string_user_key(
source_act: PID,
dest_act_login_data: (PID, &[u8]),
) -> (String, Box<[u8]>) {
let source_key: [u8; 8] = rand::random();
let key_string = hex::encode(source_key);
let key_data: [u8; 16] = key_string.as_bytes().try_into().unwrap();
let dest_key = derive_key(dest_act_login_data.0, dest_act_login_data.1);
let internal_data = kerberos::TicketInternalData::new(source_act);
let encrypted_inner = internal_data.encrypt(dest_key);
let encrypted_session_ticket = Ticket {
pid: dest_act_login_data.0,
session_key: internal_data.session_key,
}
.encrypt(key_data, &encrypted_inner);
(key_string, encrypted_session_ticket)
}
async fn get_login_data_by_pid(pid: PID) -> Option<(PID, Box<[u8]>)> {
if pid == GUEST_ACCOUNT.pid {
let source_login_data = GUEST_ACCOUNT.get_login_data();
return Some((source_login_data.0, source_login_data.1.into()));
}
let Ok(mut client) = account::Client::new().await else {
return None;
};
let Ok(passwd) = client.get_nex_password(pid).await else {
return None;
};
Some((pid, passwd.into()))
}
fn station_url_from_sock_addr(sock_addr: SocketAddrV4) -> String {
format!(
"prudps:/PID=2;sid=1;stream=10;type=2;address={};port={};CID=1",
sock_addr.ip(),
sock_addr.port()
)
}
static GUEST_ACCOUNT: LazyLock<Account> =
LazyLock::new(|| Account::new(100, "guest", "MMQea3n!fsik"));
impl AuthHandler {
pub async fn generate_ticket_from_name(
&self,
name: &str,
) -> Result<(PID, Box<[u8]>), ErrorCode> {
#[cfg(feature = "guest_login")]
{
if name == GUEST_ACCOUNT.username {
let source_login_data = GUEST_ACCOUNT.get_login_data();
let destination_login_data = self.destination_server_acct.get_login_data();
return Ok((
source_login_data.0,
generate_ticket(source_login_data, destination_login_data),
));
}
}
let Ok(pid) = name.parse() else {
warn!("unable to connect to parse pid: {}", name);
return Err(ErrorCode::Core_InvalidArgument);
};
let Ok(mut client) = account::Client::new().await else {
warn!("unable to connect to grpc");
return Err(ErrorCode::Core_Exception);
};
let Ok(passwd) = client.get_nex_password(pid).await else {
warn!("unable to get nex password for pid: {}:", pid);
return Err(ErrorCode::Core_Exception);
};
let source_login_data = (pid, &passwd[..]);
println!("{}, {:?}", pid, passwd);
let destination_login_data = self.destination_server_acct.get_login_data();
Ok((
pid,
generate_ticket(source_login_data, destination_login_data),
))
}
pub async fn generate_ticket_from_name_string_user_key(
&self,
name: &str,
) -> Result<(PID, String, Box<[u8]>), ErrorCode> {
{
if name == GUEST_ACCOUNT.username {
let source_login_data = GUEST_ACCOUNT.get_login_data();
let destination_login_data = self.destination_server_acct.get_login_data();
let ticket = generate_ticket_with_string_user_key(
source_login_data.0,
destination_login_data,
);
return Ok((source_login_data.0, ticket.0, ticket.1));
}
}
let Ok(pid) = name.parse() else {
warn!("unable to connect to parse pid: {}", name);
return Err(ErrorCode::Core_InvalidArgument);
};
let destination_login_data = self.destination_server_acct.get_login_data();
let data = generate_ticket_with_string_user_key(pid, destination_login_data);
Ok((pid, data.0, data.1))
}
}
impl Auth for AuthHandler {
async fn login(
&self,
name: String,
) -> Result<(QResult, PID, Vec<u8>, ConnectionDataOld, String), ErrorCode> {
let (pid, ticket) = self.generate_ticket_from_name(&name).await?;
let result = QResult::success(Core_Unknown);
let mut hasher = DefaultHasher::new();
hasher.write(name.as_bytes());
let Ok(addr) = self.control_server.get_url(hasher.finish()).await else {
warn!("no secure proxies");
return Err(ErrorCode::Core_Exception);
};
let connection_data = ConnectionDataOld {
station_url: station_url_from_sock_addr(addr),
special_station_url: "".to_string(),
special_protocols: Vec::new(),
};
let ret = (
result,
pid,
ticket.into(),
connection_data,
self.build_name.to_string(),
);
info!("data: {:?}", ret);
Ok(ret)
}
cfg_if! {
if #[cfg(feature = "nx")]{
async fn login_ex(
&self,
name: String,
_extra_data: Any,
) -> Result<(QResult, PID, Vec<u8>, ConnectionData, String, String), ErrorCode> {
let (pid, key, ticket) = self.generate_ticket_from_name_string_user_key(&name).await?;
let result = QResult::success(Core_Unknown);
let mut hasher = DefaultHasher::new();
hasher.write(name.as_bytes());
let Ok(addr) = self.control_server.get_url(hasher.finish()).await else {
warn!("no secure proxies");
return Err(ErrorCode::Core_Exception);
};
let connection_data = ConnectionData {
station_url: station_url_from_sock_addr(addr),
special_station_url: "".to_string(),
//date_time: KerberosDateTime::new(1,1,1,1,1,1),
date_time: KerberosDateTime::now(),
special_protocols: Vec::new(),
};
let ret = (
result,
pid,
ticket.into(),
connection_data,
self.build_name.to_string(),
key
);
info!("data: {:?}", ret);
Ok(ret)
}
async fn request_ticket(
&self,
source_pid: PID,
destination_pid: PID,
) -> Result<(QResult, Vec<u8>, String), ErrorCode> {
let Some((pid, _)) = get_login_data_by_pid(source_pid).await else {
return Err(ErrorCode::Core_Exception);
};
let desgination_login_data = if destination_pid == self.destination_server_acct.pid {
self.destination_server_acct.get_login_data()
} else {
return Err(ErrorCode::RendezVous_InvalidOperation);
};
let result = QResult::success(Core_Unknown);
let ticket = generate_ticket_with_string_user_key(pid, desgination_login_data);
Ok((result, ticket.1.into(), ticket.0))
}
} else {
async fn login_ex(
&self,
name: String,
_extra_data: Any,
) -> Result<(QResult, PID, Vec<u8>, ConnectionData, String), ErrorCode> {
let (pid, ticket) = self.generate_ticket_from_name(&name).await?;
let result = QResult::success(Core_Unknown);
let mut hasher = DefaultHasher::new();
hasher.write(name.as_bytes());
let Ok(addr) = self.control_server.get_url(hasher.finish()).await else {
warn!("no secure proxies");
return Err(ErrorCode::Core_Exception);
};
let connection_data = ConnectionData {
station_url: station_url_from_sock_addr(addr),
special_station_url: "".to_string(),
//date_time: KerberosDateTime::new(1,1,1,1,1,1),
date_time: KerberosDateTime::now(),
special_protocols: Vec::new(),
};
let ret = (
result,
pid,
ticket.into(),
connection_data,
self.build_name.to_string(),
);
info!("data: {:?}", ret);
Ok(ret)
}
async fn request_ticket(
&self,
source_pid: PID,
destination_pid: PID,
) -> Result<(QResult, Vec<u8>), ErrorCode> {
let Some((pid, passwd)) = get_login_data_by_pid(source_pid).await else {
return Err(ErrorCode::Core_Exception);
};
let desgination_login_data = if destination_pid == self.destination_server_acct.pid {
self.destination_server_acct.get_login_data()
} else {
return Err(ErrorCode::RendezVous_InvalidOperation);
};
let result = QResult::success(Core_Unknown);
let ticket = generate_ticket((pid, &passwd[..]), desgination_login_data);
Ok((result, ticket.into()))
}
}
}
async fn get_pid(&self, _username: String) -> Result<u32, ErrorCode> {
Err(ErrorCode::Core_Exception)
}
async fn get_name(&self, _pid: PID) -> Result<String, ErrorCode> {
Err(ErrorCode::Core_Exception)
}
}