mirror of
https://github.com/ViViDboarder/bitwarden_rs.git
synced 2024-11-22 13:16:39 +00:00
Merge pull request #657 from BlackDex/totp-timedrift
Updated authenticator TOTP
This commit is contained in:
commit
dc515b83f3
@ -0,0 +1 @@
|
||||
ALTER TABLE twofactor ADD COLUMN last_used INTEGER NOT NULL DEFAULT 0;
|
@ -0,0 +1 @@
|
||||
ALTER TABLE twofactor ADD COLUMN last_used INTEGER NOT NULL DEFAULT 0;
|
@ -0,0 +1 @@
|
||||
ALTER TABLE twofactor ADD COLUMN last_used INTEGER NOT NULL DEFAULT 0;
|
@ -77,7 +77,7 @@ fn activate_authenticator(data: JsonUpcase<EnableAuthenticatorData>, headers: He
|
||||
let twofactor = TwoFactor::new(user.uuid.clone(), type_, key.to_uppercase());
|
||||
|
||||
// Validate the token provided with the key
|
||||
validate_totp_code(token, &twofactor.data)?;
|
||||
validate_totp_code(&user.uuid, token, &twofactor.data, &conn)?;
|
||||
|
||||
_generate_recover_code(&mut user, &conn);
|
||||
twofactor.save(&conn)?;
|
||||
@ -94,27 +94,58 @@ fn activate_authenticator_put(data: JsonUpcase<EnableAuthenticatorData>, headers
|
||||
activate_authenticator(data, headers, conn)
|
||||
}
|
||||
|
||||
pub fn validate_totp_code_str(totp_code: &str, secret: &str) -> EmptyResult {
|
||||
pub fn validate_totp_code_str(user_uuid: &str, totp_code: &str, secret: &str, conn: &DbConn) -> EmptyResult {
|
||||
let totp_code: u64 = match totp_code.parse() {
|
||||
Ok(code) => code,
|
||||
_ => err!("TOTP code is not a number"),
|
||||
};
|
||||
|
||||
validate_totp_code(totp_code, secret)
|
||||
validate_totp_code(user_uuid, totp_code, secret, &conn)
|
||||
}
|
||||
|
||||
pub fn validate_totp_code(totp_code: u64, secret: &str) -> EmptyResult {
|
||||
use oath::{totp_raw_now, HashType};
|
||||
pub fn validate_totp_code(user_uuid: &str, totp_code: u64, secret: &str, conn: &DbConn) -> EmptyResult {
|
||||
use oath::{totp_raw_custom_time, HashType};
|
||||
use std::time::{UNIX_EPOCH, SystemTime};
|
||||
|
||||
let decoded_secret = match BASE32.decode(secret.as_bytes()) {
|
||||
Ok(s) => s,
|
||||
Err(_) => err!("Invalid TOTP secret"),
|
||||
};
|
||||
|
||||
let generated = totp_raw_now(&decoded_secret, 6, 0, 30, &HashType::SHA1);
|
||||
if generated != totp_code {
|
||||
err!("Invalid TOTP code");
|
||||
let mut twofactor = TwoFactor::find_by_user_and_type(&user_uuid, TwoFactorType::Authenticator as i32, &conn)?;
|
||||
|
||||
// Get the current system time in UNIX Epoch (UTC)
|
||||
let current_time: u64 = SystemTime::now().duration_since(UNIX_EPOCH)
|
||||
.expect("Earlier than 1970-01-01 00:00:00 UTC").as_secs();
|
||||
|
||||
// The amount of steps back and forward in time
|
||||
let steps = 1;
|
||||
for step in -steps..=steps {
|
||||
|
||||
let time_step = (current_time / 30) as i32 + step;
|
||||
// We need to calculate the time offsite and cast it as an i128.
|
||||
// Else we can't do math with it on a default u64 variable.
|
||||
let time_offset: i128 = (step * 30).into();
|
||||
let generated = totp_raw_custom_time(&decoded_secret, 6, 0, 30, (current_time as i128 + time_offset) as u64, &HashType::SHA1);
|
||||
|
||||
// Check the the given code equals the generated and if the time_step is larger then the one last used.
|
||||
if generated == totp_code && time_step > twofactor.last_used {
|
||||
|
||||
// If the step does not equals 0 the time is drifted either server or client side.
|
||||
if step != 0 {
|
||||
info!("TOTP Time drift detected. The step offset is {}", step);
|
||||
}
|
||||
|
||||
// Save the last used time step so only totp time steps higher then this one are allowed.
|
||||
twofactor.last_used = time_step;
|
||||
twofactor.save(&conn)?;
|
||||
return Ok(());
|
||||
} else if generated == totp_code && time_step <= twofactor.last_used {
|
||||
warn!("This or a TOTP code within {} steps back and forward has already been used!", steps);
|
||||
err!("Invalid TOTP Code!");
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
// Else no valide code received, deny access
|
||||
err!("Invalid TOTP code!");
|
||||
}
|
||||
|
@ -197,7 +197,7 @@ fn twofactor_auth(
|
||||
let mut remember = data.two_factor_remember.unwrap_or(0);
|
||||
|
||||
match TwoFactorType::from_i32(selected_id) {
|
||||
Some(TwoFactorType::Authenticator) => _tf::authenticator::validate_totp_code_str(twofactor_code, &selected_data?)?,
|
||||
Some(TwoFactorType::Authenticator) => _tf::authenticator::validate_totp_code_str(user_uuid, twofactor_code, &selected_data?, conn)?,
|
||||
Some(TwoFactorType::U2f) => _tf::u2f::validate_u2f_login(user_uuid, twofactor_code, conn)?,
|
||||
Some(TwoFactorType::YubiKey) => _tf::yubikey::validate_yubikey_login(twofactor_code, &selected_data?)?,
|
||||
Some(TwoFactorType::Duo) => _tf::duo::validate_duo_login(data.username.as_ref().unwrap(), twofactor_code, conn)?,
|
||||
|
@ -19,6 +19,7 @@ pub struct TwoFactor {
|
||||
pub atype: i32,
|
||||
pub enabled: bool,
|
||||
pub data: String,
|
||||
pub last_used: i32,
|
||||
}
|
||||
|
||||
#[allow(dead_code)]
|
||||
@ -47,6 +48,7 @@ impl TwoFactor {
|
||||
atype: atype as i32,
|
||||
enabled: true,
|
||||
data,
|
||||
last_used: 0,
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -92,6 +92,7 @@ table! {
|
||||
atype -> Integer,
|
||||
enabled -> Bool,
|
||||
data -> Text,
|
||||
last_used -> Integer,
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -92,6 +92,7 @@ table! {
|
||||
atype -> Integer,
|
||||
enabled -> Bool,
|
||||
data -> Text,
|
||||
last_used -> Integer,
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -92,6 +92,7 @@ table! {
|
||||
atype -> Integer,
|
||||
enabled -> Bool,
|
||||
data -> Text,
|
||||
last_used -> Integer,
|
||||
}
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user