Clisso: CLI Single Sign-On

Clisso (pronounced /ˈklIsoʊ/) allows you to retrieve temporary credentials for cloud platforms by authenticating with an identity provider (IdP).

The following identity providers are currently supported:

The following cloud platforms are currently supported:

Clisso uses the SAML standard to authenticate users.

Installation

Using a Pre-Compiled Binary

The easiest way to use Clisso is to download a pre-compiled binary for your platform. To do so, perform the following:

Go to the latest release on the releases page.
Download the ZIP file corresponding to your platform and architecture.
Unzip the binary.
Rename the binary using mv clisso-<platform>-<arch> clisso.
Move the binary to a place under your path.

Clisso supports macOS, Linux and Windows.

Installing Using Homebrew

To install Clisso using Homebrew, run the following commands:

brew tap allcloud-io/tools
brew install clisso

To update Clisso to the latest release, run the following command:

brew upgrade clisso

Building from Source

Requirements

Go 1.12 or above
Git
Make

Building

To build Clisso from source, do the following:

# Get the source
git clone github.com/allcloud-io/clisso

# Build the binary
cd clisso
make

# Install the binary in $GOPATH/bin
make install

# Clean up
make clean

Configuration

Clisso stores configuration in a file called .clisso.yaml under the user's home directory. You may specify a different config file using the -c flag.

NOTE: It is recommended to use the clisso command to manage the config file, however you may also edit the file manually. The file is in YAML format. You may find a sample config file here.

Usage

Clisso has the following commands:

$ ./clisso
Usage:
clisso [command]

Available Commands:
apps        Manage apps
get         Get temporary credentials for an app
help        Help about any command
providers   Manage providers
status      Show active (non-expired) credentials
version     Show version info

Flags:
-c, --config string   config file (default is $HOME/.clisso.yaml)
-h, --help            help for clisso

Use "clisso [command] --help" for more information about a command.

In order to use Clisso you will have to configure at least one provider and one app. A provider represents an identity provider against which Clisso authenticates. An app represents an account on a cloud platform such as AWS, for which Clisso retrieves credentials.

Listing Providers

To list the existing providers on Clisso, use the following command:

clisso providers ls

Following is a sample output:

okta-prod
onelogin-dev
onelogin-prod

Listing Apps

To list the existing apps on Clisso, use the following command:

clisso apps ls

Following is a sample output:

  dev-account
* prod-account

The app marked with an asterisk is selected.

Creating Providers

OneLogin

To create a OneLogin identity provider, use the following command:

clisso providers create onelogin my-provider \
    --client-id myid \
    --client-secret mysecret \
    --subdomain mycompany \
    --username [email protected] \
    --region US \
    --duration 14400 \
    --arn arn:aws:iam::123456789012:role/Worker

The example above creates a OneLogin identity provider configuration for Clisso, with the name my-provider.

The --client-id and --client-secret flags are OneLogin API credentials. You may follow the instructions here to obtain them. OneLogin requires using static credentials even for attempting authentication, and for that reason Clisso needs them. Please be sure to select Authentication Only when generating the credentials. Higher-level permissions aren't used by Clisso and will only pose a security risk when stored at a client machine.

The --subdomain flag is the subdomain of your OneLogin account. You can see it in the URL when logging in to OneLogin. For example, if you log in to OneLogin using mycompany.onelogin.com, use --subdomain mycompany.

The --username flag is optional, and allows Clisso to always use the given value as the OneLogin username when retrieving credentials for apps which use this provider. Omitting this flag will make Clisso prompt for a username every time.

The --duration flag is optional. If specified, sessions will be assumed with the provided duration, in seconds, instead of the default of 3600 (1 hour). Valid values are between 3600 and 43200 seconds. The max session duration has be equal to or lower than what is configured on the role in AWS. If a longer session time is requested than what is configured on the AWS role, Clisso will fallback to a duration of 3600. The default duration specified for the provider can be overridden on a per-app basis (see below).

The --arn flag is optional. If specified, it will not prompt for a choice of roles presented from the list of available AWS accounts/roles. This makes it easy to run clisso get my-app and get the correct account/role.

Okta

To create an Okta identity provider, use the following command:

clisso providers create okta my-provider \
    --base-url https://mycompany.okta.com \
    --username [email protected] \
    --duration 14400

The example above creates an Okta identity provider configuration for Clisso, with the name my-provider.

The --base-url flag is your Okta base URL. You can see it in the URL when logging in to Okta. Please specify a full URL in one of the following formats:

https://your-subdomain.okta.com if you have an enterprise Okta account.
https://your-subdomain.oktapreview.com if you have a developer Okta account.

The --username flag is optional, and allows Clisso to always use the given value as the Okta username when retrieving credentials for apps which use this provider. Omitting this flag will make Clisso prompt for a username every time.

Deleting Providers

Deleting providers using the clisso command isn't currently supported. To delete a provider, remove its configuration from the config file.

Creating Apps

OneLogin

To create a OneLogin app, use the following command:

clisso apps create onelogin my-app \
    --provider my-provider \
    --app-id 12345 \
    --duration 3600

The example above creates a OneLogin app configuration for Clisso, with the name my-app.

The --provider flag is the name of a provider which already exists in the config file.

The --app-id flag is the OneLogin app ID. This ID can be retrieved using the OneLogin admin interface or the OneLogin API. Unfortunately, the OneLogin API doesn't allow obtaining app IDs without storing sensitive, high-level permissions on the client machine. For that reason we have to manually configure the app ID for every app.

NOTE: The ID seen in the browser URL when visiting a OneLogin app as a user is NOT the app ID. Only a OneLogin administrator can obtain an app ID.

The --duration flag is optional and defaults to the value set at the provider level. Valid values are between 3600 and 43200 seconds. Can be used to raise or lower the session duration for an individual app. The max session duration has be equal to or lower than what is configured on the role in AWS. The default maximum is 3600 seconds. If the requested duration exceeds the configured maximum Clisso will fallback to 3600 seconds.

Okta

To create an Okta app, use the following command:

clisso apps create okta my-app \
    --provider my-provider \
    --url https://mycompany.okta.com/home/amazon_aws/xxxxxxxxxxxxxxxxxxxx/137 \
    --duration 3600

The example above creates an Okta app configuration for Clisso, with the name my-app.

The --provider flag is the name of a provider which already exists in the config file.

The --url flag is the app's embed link. This can be retrieved as an Okta user by examining the URL of an app on the Okta web UI. The same can also be retrieved as an administrator by clicking an app in the Applications view. The embed link is on the General tab.

NOTE: An Okta embed link must not contain an HTTP query, only the base URL. For AWS apps, the link should end with /137.

Deleting Apps

Deleting apps using the clisso command isn't currently supported. To delete an app, remove its configuration from the config file.

Obtaining Credentials

To obtain temporary credentials for an app, use the following command:

clisso get my-app

The example above will obtain credentials for an app named my-app. Type your credentials for the relevant identity provider. If multi-factor authentication is enabled on your account, you will be asked in addition for a one-time password.

By default, Clisso will store the credentials in the shared credentials file of the AWS CLI with the app's name as the profile name. You can use the temporary credentials by specifying the profile name as an argument to the AWS CLI (--profile my-profile), by setting the AWS_PROFILE environment variable or by configuring any AWS SDK to use the profile.

To save the credentials to a custom file, use the -w flag.

To print the credentials to the shell instead of storing them in a file, use the -s flag. This will output shell commands which can be pasted in any shell to use the credentials.

Storing the password in the keychain

WARNING: Storing the password without having MFA enabled is a security risk. It allows anyone to assume your roles who has access to your computer.

Storing a password for a provider is as simple as running:

clisso providers passwd my-provider

Selecting an App

You can select an app by using the following command:

clisso apps select my-app

You can get credentials for the currently-selected app by simply running clisso get, without specifying an app name. The currently-selected app will have an asterisk near its name when listing apps using clisso apps ls.

Caveats and Limitations

No support for Okta applications with MFA enabled at the application level.

Troubleshooting

Storing passwords is not working

dbus: couldn't determine address of session bus This behavior has been observed on Ubuntu 20.04 WSL. Simply running sudo systemd-machine-id-setup gets you past the initial missing machine id setup.

failed to unlock correct collection '/org/freedesktop/secrets/collection/login', The name org.freedesktop.secrets was not provided by any .service files Check that you have a working keychain setup. On headless systems like WSL this might not be easy to archive. Installing gnome-keyring along with the proper DBus setup is required. During tests adding the below to the ~/.bashrc on Ubuntu 20.04 WSL was enough.

 if [ "$DBUS_SESSION_BUS_ADDRESS" = "" ]; then
    exec dbus-run-session -- bash;
else
    eval $(echo "$(/lib/cryptsetup/askpass 'Password: ')" | gnome-keyring-daemon --unlock);
fi

Contributing

TODO

License

This code is released under the Apache 2.0 License. Please see LICENSE and NOTICE for more details.

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allcloud-io / clisso

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Clisso: CLI Single Sign-On

Installation

Using a Pre-Compiled Binary

Installing Using Homebrew

Building from Source

Requirements

Building

Configuration

Usage

Listing Providers

Listing Apps

Creating Providers

OneLogin

Okta

Deleting Providers

Creating Apps

OneLogin

Okta

Deleting Apps

Obtaining Credentials

Storing the password in the keychain

Selecting an App

Caveats and Limitations

Troubleshooting

Storing passwords is not working

Contributing

License