Rockpass

A small and ultrasecure LessPass database server written in Rust.

Installation

From binary

Simply download latest release from releases page. You can use systemd unit from Arch Linux package to run it.

tar xf rockpass-X.X.X-ARCH.tar.xz
sudo install -m755 rockpass-X.X.X-ARCH/rockpass /usr/bin/rockpass
sudo install -m644 rockpass-X.X.X-ARCH/rockpass/rockpass.toml.example \
  /etc/rockpass.toml
sudo vim /etc/rockpass.toml # Configure Rockpass as you like
sudo curl 'https://aur.archlinux.org/cgit/aur.git/plain/rockpass.service?h=rockpass' \
  -o /etc/systemd/system/rockpass.service
sudo systemctl start rockpass
sudo systemctl enable rockpass

Warning: The only binaries provided are for linux-amd64 and linux-arm64, if you need to run Rockpass on another architecture (like a Raspberry Pi 32bit) you must compile it, see how to do it in the from source section.

Note that the systemd unit uses a dynamic user that has a persistent directory in /var/lib/rockpass/ so it is recommended that the SQLite DB be stored in this directory (see production sample section in rockpass.toml.example).

If everything worked correctly you should have a new clean database in /var/lib/rockpass/rockpass.sqlite. Go to the usage section to learn how to create your first user.

With Docker

You can download a Rockpass Docker image from here, from Docker Hub or from Quay (only linux-amd64-musl).

To run it, simply exec.

docker run -t -d \
  --name=rockpass \
  -p 8000:8000 \
  ogarcia/rockpass

This start Rockpass and publish the port to host.

Warning: this is a basic run, all data will be destroyed after container stop and rm.

Persist data using a Docker volume

Rockpass Docker image uses a volume /var/lib/rockpass to store sqlite database. You can exec the following to mount it in your host as persistent storage.

docker run -t -d \
  --name=rockpass \
  -p 8000:8000 \
  -v /my/rockpass:/var/lib/rockpass \
  ogarcia/rockpass

Take note that you must create before the directory /my/rockpass and set ownership to UID/GID 100.

mkdir -p /my/rockpass
chown -R 100:100 /my/rockpass

Docker environment variables

Variable	Used for	Default value
ROCKPASS_DATABASES	Database location	{rockpass={url="/var/lib/rockpass/rockpass.sqlite"}}
ROCKPASS_ADDRESS	Listen address	0.0.0.0
ROCKPASS_PORT	Listen port	8000
ROCKPASS_REGISTRATION_ENABLED	Enable or disable the ability to register new users	true
ROCKPASS_ACCESS_TOKEN_LIFETIME	Time, in seconds, that the access token is valid	3600 (1 hour)
ROCKPASS_REFRESH_TOKEN_LIFETIME	Time, in seconds, that the refresh token is valid	2592000 (30 days)
ROCKPASS_LOG_LEVEL	Log level	critical

From source

Installing Rust

Rockpass build has been tested with current Rust stable release version. You can install Rust from your distribution package or use rustup.

rustup default stable

If you prefer, you can use the stable version only for install Rockpass (you must clone the repository first).

rustup override set stable

Installing dependencies

Apart from Rust, to build rockpass you will need sqlite3 (usually the -dev package) and the compiler tools. For example in Debian.

apt install build-essential libsqlite3-dev

Depending on the Linux distribution you use these packages may vary, consult the manual of yours for more information.

Building Rockpass

To build Rockpass binary simply execute the following commands.

git clone https://gitlab.com/ogarcia/rockpass.git
cd rockpass
cargo build --release

After build the binary is located in target/release/rockpass.

Configuration

How Rockpass uses Rocket certain configuration parameters are compatible with each other. You can look at the Rocket configuration documentation to see what the basic parameters are. In any case, a fully commented rockpass.toml.example is provided and the most important parameters are detailed below.

Setting	Use	Default value
address	Listen address	127.0.0.1
port	Listen port	8000
registration_enabled	Enable or disable the ability to register new users	true
access_token_lifetime	Time, in seconds, that the access token is valid	3600 (1 hour)
refresh_token_lifetime	Time, in seconds, that the refresh token is valid	2592000 (30 days)
databases	SQLite database location (see below)	{rockpass={url=":memory:"}}

The database configuration can be detailed in three options.

Option One.

databases = { rockpass = { url = "/location/of/rockpass.sqlite" } }

Option Two.

[release.databases]
rockpass = { url = "/location/of/rockpass.sqlite" }

Option Three.

[release.databases.rockpass]
url = "/location/of/rockpass.sqlite"

If you don't want use a config file you can use environment variables. For example to disable registration and listen in 8080.

export ROCKPASS_PORT=8080
export ROCKPASS_REGISTRATION_ENABLED=false
export ROCKPASS_DATABASES='{ rockpass = { url = "/location/of/rockpass.sqlite" } }'
rockpass

You can run Rockpass without any configuration. By default it creates an in-memory DB that is deleted once the process stops, this is useful for testing purposes.

rockpass

The latter is exactly the same as running Rockpass by setting the url key to :memory:.

ROCKPASS_DATABASES='{rockpass = { url = ":memory:" }}' rockpass

Secure it

You can use Rockpass directly on a local network, but if you want to expose it to the Internet it is best to set up some kind of http server in front of it (remember to configure it to listen only to localhost).

With nginx

server {
  listen 443 ssl http2;
  listen [::]:443 ssl http2;

  server_name rockpass.example.com;

  access_log /var/log/nginx/rockpass.access.log;
  error_log  /var/log/nginx/rockpass.error.log;

  ssl_certificate           /etc/letsencrypt/live/rockpass.example.com/fullchain.pem;
  ssl_certificate_key       /etc/letsencrypt/live/rockpass.example.com/privkey.pem;
  ssl_trusted_certificate   /etc/letsencrypt/live/rockpass.example.com/chain.pem;
  ssl_session_timeout       1d;
  ssl_session_cache         shared:MozSSL:10m;
  ssl_session_tickets       off;
  ssl_protocols             TLSv1.3;
  ssl_prefer_server_ciphers off;
  ssl_stapling              on;
  ssl_stapling_verify       on;

  root /srv/http/pass/htdocs;

  # Only exposes Rockpass on the endpoints it can handle
  location ~ (/auth/|/passwords/) {
    proxy_set_header Host              $http_host;
    proxy_max_temp_file_size           0;
    proxy_read_timeout                 1800s;
    proxy_send_timeout                 1800s;
    proxy_pass                         http://127.0.0.1:8000;
    proxy_redirect                     http:// https://;
  }
}

You must create an empty index.html file in /srv/http/pass/htdocs so that when someone accesses rockpass.example.com they simply get a blank page.

If you want to increase security you can introduce some kind of random string in the exposed endpoints as detailed in the following example.

# Expose Rockpass under very difficult URL
location ~ (/somerandomstring/auth/|/somerandomstring/passwords/) {
  rewrite  ^/somerandomstring/(.*) /$1 break;
  proxy_set_header Host              $http_host;
  proxy_max_temp_file_size           0;
  proxy_read_timeout                 1800s;
  proxy_send_timeout                 1800s;
  proxy_pass                         http://127.0.0.1:8000;
  proxy_redirect                     http:// https://;
}

Now in the clients you must configure the server address as https://rockpass.example.com/somerandomstring/. This way it will be very difficult for an external attacker to locate where you have Rockpass listening.

With lighttpd

$HTTP["url"] =~ "^/rockpass" {
  proxy.server = ( "" => ( ( "host" => "127.0.0.1", "port" => "8000" )))
  proxy.header = ( "map-urlpath" => ( "/rockpass" => ""))
}

In this case Rockpass will be listening at https://rockpass.example.com/rockpass/. If you change rockpass to some kind of random string you will increase the security.

Usage

Rockpass is an API server for LessPass so it does not expose any interface. You can use any of the existing LessPass applications (plugins, mobile...) to connect against the server or my own lesspass-client command line client implementation.

Example of use with lesspass-client

Let's see an example of use with lesspass-client. First we start rockpass without options or configuration to work directly in memory (it is an example). When we feel comfortable we can start Rockpass with its final configuration.

rockpass

The first thing we need to be able to connect is to create a user. For this user to be compatible with the official LessPass applications we must encrypt their password as LessPass does. We can do this with the lesspass-client itself as follows.

$ lesspass-client -m Login_Password password build lesspass.com [email protected]
|O}'bU/sW*7Dfw->

What we have done is encrypt a password Login_Password for the user [email protected], this has resulted in the encrypted password |O}'bU/sW*7Dfw-> which is the one we must use to create the user.

We now create the user as follows.

$ lesspass-client \
  -s http://127.0.0.1:8000 \
  user create "[email protected]" "|O}'bU/sW*7Dfw->"
New user created successfully

From here we can connect against the API either with the client applications or with the lesspass-client itself. If we do it with any of the client applications (for example the Firefox plugin), we will use as username [email protected] and password Login_Password since the client application itself will be responsible for encrypting it. If, on the other hand, we do it with lesspass-client, the username will be the same but we must use the encrypted password as detailed below.

# Add a new password profile
$ lesspass-client \
  -s http://127.0.0.1:8000 \
  -u "[email protected]" \
  -p "|O}'bU/sW*7Dfw->" \
  password add example.com [email protected]
New password created successfully

# List profiles stored on the server
$ lesspass-client \
  -s http://127.0.0.1:8000 \
  -u "[email protected]" \
  -p "|O}'bU/sW*7Dfw->" \
  password list
example.com

# Show a profile
$ lesspass-client \
  -s http://127.0.0.1:8000 \
  -u "[email protected]" \
  -p "|O}'bU/sW*7Dfw->" \
  password show example.com
ID: 1
Site: example.com
Login: [email protected]
Lowercase: true
Uppercase: true
Symbols: true
Numbers: true
Length: 16
Couter: 1

# Encrypt a new password using a master password and the created profile
# Option One (Master password as environment variable)
$ export LESSPASS_MASTERPASS="very difficult master password"
$ lesspass-client \
  -s http://127.0.0.1:8000 \
  -u "[email protected]" \
  -p "|O}'bU/sW*7Dfw->" \
  password show -p example.com
X?%x0O=yn&n4cWGU
# Option Two (Master password as argument)
$ lesspass-client \
  -s http://127.0.0.1:8000 \
  -u "[email protected]" \
  -p "|O}'bU/sW*7Dfw->" \
  -m "very difficult master password as argument" \
  password show -p example.com
:~xd`ZtYvS1/8I2+
# The passwords are different in each example because we have changed the
# master password.

All of the above is just an example, lesspass-client is a complete client so it is possible to perform multiple operations on the LessPass API. See the command help for more information.

Migrate data with lesspass-client

If you want to migrate an account from any LessPass server to Rockpass you can use lesspass-client. You will need to encrypt the passwords to be able to export and import the data, see the example above to know how to do it.

First we export the profiles to profiles.json.

$ lesspass-client -s https://api.lesspass.example.com \
  -u LOGIN_EMAIL \
  -p ENCRYPTED_LOGIN_PASSWORD \
  password export profiles.json

Then we import them.

$ lesspass-client -s http://127.0.0.1:8000 \
  -u LOGIN_EMAIL \
  -p ENCRYPTED_LOGIN_PASSWORD \
  password import profiles.json

You can do this operation in memory without using a file as follows.

$ lesspass-client -s https://api.lesspass.example.com \
  -u LOGIN_EMAIL \
  -p ENCRYPTED_LOGIN_PASSWORD \
  password export - | \
  lesspass-client -s http://127.0.0.1:8000 \
  -u LOGIN_EMAIL \
  -p ENCRYPTED_LOGIN_PASSWORD \
  password import -

Note that when importing data it is not overwritten so if you import the same JSON twice you will have repeated entries.

Known limitations

Password reset

With the premise in mind of keeping the code simple (remember that it is for personal use so KISS), Rockpass has not implemented any password reset API. However, if any user does not remember their password, you can reset it by following the procedure below.

Encrypt your password

LessPass encrypts the passwords in the client before sending them, so we must perform the same procedure since for each user the encrypted password is different. My advice is to use a temporary easy password (in my examples I will use 123456) and then the user will change it to something more secure.

To encrypt the password we can use LessPass itself or my lesspass-client. The parameters to use are the following.

• Site: lesspass.com
• Login: The email address you use to authenticate. I will use [email protected] in this example.
• Master password: The new password you want to use. In my case as I said before 123456.
• Options: Default. This means all options checked, size 16 and counter 1.

If we want to encrypt the password with lesspass-client the command would be.

$ lesspass-client -m 123456 password build lesspass.com [email protected]
-!?}5Nx9E\%svt07

Regardless of how we encrypt the password the result is that our encrypted password is -!?}5Nx9E\%svt07. Obviously this is only valid if the user name is [email protected], if you use another user name it will generate a different encrypted password.

Encrypt your password (again)

Even if the password is encrypted by the client, Rockpass encrypts it again with Bcrypt hash, this is because in the client options you can select that the password is not encrypted and to increase security.

To encrypt the password with Bcrypt the easiest way is to use a web application that does it, for example Bcrypt-Generator or Bcrypt-Online. When encrypting with Bcrypt you have to set a cost factor, Rockpass uses a factor of 10, but it is OK to use a different factor.

Note that each time you encrypt with Bcrypt a new string is generated, this is normal since Bcrypt generates a different salt each time. In my case the password generated from -!?}5Nx9E\%svt07 is $2y$10$EYeEDnNN/dIQOkJtU9VQAe2fGXhncHbsdZnTdmrs6JMaceKqLg.X6.

Update the password in the database

1. Connect to database.

   sqlite3 /location/of/rockpass.sqlite

2. Update password to the value 123456 for the user [email protected].

   UPDATE users SET
    password='$2y$10$EYeEDnNN/dIQOkJtU9VQAe2fGXhncHbsdZnTdmrs6JMaceKqLg.X6'
    WHERE email = '[email protected]';

Now it would be possible to authenticate with the user [email protected] with the password 123456 and modify it with the application. Don't forget to do it!

Delete an user

Users can delete their own accounts using any of the mobile or lesspass-client applications (browser extensions do not have this option). You can still delete any user with the sqlite command. For example to delete user [email protected] and all of his/her passwords settings.

1. Connect to database.

   sqlite3 /location/of/rockpass.sqlite

2. Delete user.

   PRAGMA foreign_keys = ON;
   DELETE FROM users WHERE email = '[email protected]';