tailscale/ssh/tailssh/testcontainers/Dockerfile
Percy Wegmann d7fdc01f7f ssh/tailssh: check IsSELinuxEnforcing in tailscaled process
Checking in the incubator as this used to do fails because
the getenforce command is not on the PATH.

Updates #12442

Signed-off-by: Percy Wegmann <percy@tailscale.com>
2024-06-12 20:29:48 -05:00

65 lines
2.7 KiB
Docker

ARG BASE
FROM ${BASE}
RUN echo "Install openssh, needed for scp."
RUN apt-get update -y && apt-get install -y openssh-client
RUN groupadd -g 10000 groupone
RUN groupadd -g 10001 grouptwo
# Note - we do not create the user's home directory, pam_mkhomedir will do that
# for us, and we want to test that PAM gets triggered by Tailscale SSH.
RUN useradd -g 10000 -G 10001 -u 10002 testuser
RUN echo "Set up pam_mkhomedir."
RUN sed -i -e 's/Default: no/Default: yes/g' /usr/share/pam-configs/mkhomedir || echo "might not be ubuntu"
RUN cat /usr/share/pam-configs/mkhomedir
RUN pam-auth-update --enable mkhomedir
COPY tailscaled .
COPY tailssh.test .
RUN chmod 755 tailscaled
RUN echo "First run tests normally."
RUN rm -Rf /home/testuser
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestIntegrationSFTP
RUN rm -Rf /home/testuser
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestIntegrationSCP
RUN rm -Rf /home/testuser
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestIntegrationSSH
RUN echo "Then run tests as non-root user testuser and make sure tests still pass."
RUN chown testuser:groupone /tmp/tailscalessh.log
RUN TAILSCALED_PATH=`pwd`tailscaled su -m testuser -c "./tailssh.test -test.v -test.run TestIntegration TestDoDropPrivileges"
RUN chown root:root /tmp/tailscalessh.log
RUN echo "Then run tests in a system that's pretending to be SELinux in enforcing mode"
RUN mv /usr/bin/login /tmp/login_orig
# Use nonsense for /usr/bin/login so that it fails.
# It's not the same failure mode as in SELinux, but failure is good enough for test.
RUN echo "adsfasdfasdf" > /usr/bin/login
RUN chmod 755 /usr/bin/login
# Simulate getenforce command
RUN printf "#!/bin/bash\necho 'Enforcing'" > /usr/bin/getenforce
RUN chmod 755 /usr/bin/getenforce
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestIntegration
RUN mv /tmp/login_orig /usr/bin/login
RUN rm /usr/bin/getenforce
RUN echo "Then remove the login command and make sure tests still pass."
RUN rm `which login`
RUN rm -Rf /home/testuser
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestIntegrationSFTP
RUN rm -Rf /home/testuser
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestIntegrationSCP
RUN rm -Rf /home/testuser
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestIntegrationSSH
RUN echo "Then remove the su command and make sure tests still pass."
RUN chown root:root /tmp/tailscalessh.log
RUN rm `which su`
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestIntegration
RUN echo "Test doDropPrivileges"
RUN TAILSCALED_PATH=`pwd`tailscaled ./tailssh.test -test.v -test.run TestDoDropPrivileges