add ssh ecryptfs auto mount

docker/x2go/xfce-debian/setup_users.sh

@@ -1,16 +1,33 @@
 #!/bin/sh
+[ -n "${DEBUG}" ] && set -x
 set -eu
 
 for user in ${USERS:-${USERNAME}}; do
-  id ${user} > /dev/null 2>&1 || useradd -ms /bin/bash ${user}
-  usermod -a -G x2gouser ${user}
-  mkdir -p /home/${user}/.ssh
-  wget -qO /home/${user}/.ssh/authorized_keys https://gitlab.com/${user}.keys 2>/dev/null \
-   || wget -qO /home/${user}/.ssh/authorized_keys https://github.com/${user}.keys 2>/dev/null
-  chown -R ${user} /home/${user}/.ssh
-  chmod 0750 /home/${user}
+  id "${user}" > /dev/null 2>&1 || useradd -s /bin/bash "${user}"
+  [ ! -d "/home/${user}" ] \
+   && mkdir -p "/home/${user}" \
+   && chown "${user}" "/home/${user}" \
+   && chmod 0750 "/home/${user}"
+  for file in .bash_logout .bashrc .profile; do
+    [ ! -f "/home/${user}/${file}" ] \
+     && cp "/etc/skel/${file}" "/home/${user}" \
+     && chown "${user}" "/home/${user}/${file}"
+  done
+  usermod -a -G x2gouser "${user}"
+  mkdir -p "/home/${user}/.ssh"
+  wget -qO "/home/${user}/.ssh/authorized_keys" "https://gitlab.com/${user}.keys" 2>/dev/null \
+   || wget -qO "/home/${user}/.ssh/authorized_keys" "https://github.com/${user}.keys" 2>/dev/null \
+   || echo "WARNING: Unable to fetch ssh public keys for user ${user}."
+  chown "${user}" "/home/${user}/.ssh" "/home/${user}/.ssh/authorized_keys"
 done
 for sudoer in ${SUDOERS:-}; do
-  usermod -a -G sudo ${sudoer}
+  usermod -a -G sudo "${sudoer}"
 done
-mkdir -p /home/shared && chmod 1777 /home/shared
+for ecrypter in ${ECRYPTERS:-}; do
+  mkdir -p "/home/${ecrypter}/.ecryptfs"
+  touch "/home/${ecrypter}/.ecryptfs/auto-mount"
+  touch "/home/${ecrypter}/.ecryptfs/auto-umount"
+  chown -R "${ecrypter}" "/home/${ecrypter}/.ecryptfs"
+done
+ln -s /app/setup_ecryptfs_sshagent.sh /etc/profile.d/
+mkdir -p /shared && chmod 1777 /shared