vowstar / pam-exec-oauth2

Allows Linux user authentication to OAuth2 via pam_exec

pam-exec-oauth2

This repository is no longer maintained.

Install

go get github.com/vowstar/pam-exec-oauth2

PREFIX=/opt/pam-exec-oauth2

sudo mkdir $PREFIX
sudo cp go/bin/pam-exec-oauth2 $PREFIX/pam-exec-oauth2
sudo touch $PREFIX/pam-exec-oauth2.yaml
sudo chmod 755 $PREFIX/pam-exec-oauth2
sudo chmod 600 $PREFIX/pam-exec-oauth2.yaml

Configuration

PAM

add the following lines to /etc/pam.d/common-auth.

auth sufficient pam_exec.so expose_authtok /opt/pam-exec-oauth2/pam-exec-oauth2

pam-exec-oauth2.yaml

edit /opt/pam-exec-oauth2/pam-exec-oauth2.yaml

Keycloak

{
    client-id: "xxxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
    client-secret: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
    redirect-url: "urn:ietf:wg:oauth:2.0:oob",
    config-url: "https:/keycloak.xxxx.com/auth/realms/xxx",
    scopes: ["openid", "email", "profile"],
    username-format: "%s",
    command: "/opt/pam-exec-oauth2/script/login.sh",
}

The command can be empty, or it can be a command or script that needs to be executed. This command will be executed after successful login.