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go get github.com/shimt/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.yamladd the following lines to /etc/pam.d/common-auth.
auth sufficient pam_exec.so expose_authtok /opt/pam-exec-oauth2/pam-exec-oauth2
edit /opt/pam-exec-oauth2/pam-exec-oauth2.yaml
{
client-id: "xxxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
client-secret: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
redirect-url: "urn:ietf:wg:oauth:2.0:oob",
scopes: ["email"],
endpoint-auth-url: "https://login.windows.net/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/oauth2/authorize",
endpoint-token-url: "https://login.windows.net/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx/oauth2/token",
extra-parameters: { resource: "https://graph.windows.net/" },
username-format: "%[email protected]",
}