proxmox-backup/src/api2/access.rs

116 lines
3.1 KiB
Rust

use failure::*;
use serde_json::{json, Value};
use proxmox::sortable;
use proxmox::api::{http_err, list_subdirs_api_method};
use proxmox::api::{ApiMethod, Router, RpcEnvironment};
use proxmox::api::router::SubdirMap;
use proxmox::api::api;
use crate::tools;
use crate::tools::ticket::*;
use crate::auth_helpers::*;
fn authenticate_user(username: &str, password: &str) -> Result<(), Error> {
let ticket_lifetime = tools::ticket::TICKET_LIFETIME;
if password.starts_with("PBS:") {
if let Ok((_age, Some(ticket_username))) = tools::ticket::verify_rsa_ticket(public_auth_key(), "PBS", password, None, -300, ticket_lifetime) {
if ticket_username == username {
return Ok(());
} else {
bail!("ticket login failed - wrong username");
}
}
}
if username == "root@pam" {
let mut auth = pam::Authenticator::with_password("proxmox-backup-auth").unwrap();
auth.get_handler().set_credentials("root", password);
auth.authenticate()?;
return Ok(());
}
bail!("inavlid credentials");
}
#[api]
#[input({
properties: {
username: {
type: String,
description: "User name.",
max_length: 64,
},
password: {
type: String,
description: "The secret password. This can also be a valid ticket.",
},
},
})]
#[returns({
properties: {
username: {
type: String,
description: "User name.",
},
ticket: {
type: String,
description: "Auth ticket.",
},
CSRFPreventionToken: {
type: String,
description: "Cross Site Request Forgery Prevention Token.",
},
},
})]
#[protected]
/// Create or verify authentication ticket.
///
/// Returns: An authentication ticket with additional infos.
fn create_ticket(
param: Value,
_info: &ApiMethod,
_rpcenv: &mut dyn RpcEnvironment,
) -> Result<Value, Error> {
let username = tools::required_string_param(&param, "username")?;
let password = tools::required_string_param(&param, "password")?;
match authenticate_user(username, password) {
Ok(_) => {
let ticket = assemble_rsa_ticket( private_auth_key(), "PBS", Some(username), None)?;
let token = assemble_csrf_prevention_token(csrf_secret(), username);
log::info!("successful auth for user '{}'", username);
Ok(json!({
"username": username,
"ticket": ticket,
"CSRFPreventionToken": token,
}))
}
Err(err) => {
let client_ip = "unknown"; // $rpcenv->get_client_ip() || '';
log::error!("authentication failure; rhost={} user={} msg={}", client_ip, username, err.to_string());
Err(http_err!(UNAUTHORIZED, "permission check failed.".into()))
}
}
}
#[sortable]
const SUBDIRS: SubdirMap = &[
(
"ticket", &Router::new()
.post(&API_METHOD_CREATE_TICKET)
)
];
pub const ROUTER: Router = Router::new()
.get(&list_subdirs_api_method!(SUBDIRS))
.subdirs(SUBDIRS);