From 8c6910583b5d42c11ee3ab23cc758c7a52a8aa73 Mon Sep 17 00:00:00 2001
From: Marcos Mello <marcosfrm@gmail.com>
Date: Thu, 5 Mar 2020 07:34:47 -0300
Subject: [PATCH] Add rootshell boot option

chsh does input validation.

Fixes fdupoux/sysresccd-src#77
---
 airootfs/etc/systemd/scripts/sysresccd-initialize | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/airootfs/etc/systemd/scripts/sysresccd-initialize b/airootfs/etc/systemd/scripts/sysresccd-initialize
index e086c9a..045f695 100755
--- a/airootfs/etc/systemd/scripts/sysresccd-initialize
+++ b/airootfs/etc/systemd/scripts/sysresccd-initialize
@@ -12,6 +12,12 @@ do
           SETKMAP=$(echo "${curopt}" | cut -f2 -d=)
           localectl set-keymap ${SETKMAP}
           ;;
+      # Configure root login shell if requested in the boot command line
+      rootshell\=*)
+          echo "Found option '${curopt}' on the boot command line"
+          ROOTSHELL=$(echo "${curopt}" | cut -f2 -d=)
+          chsh --shell ${ROOTSHELL} root
+          ;;
       # Set the system root password from a clear password
       rootpass\=*)
           SSHPASS1=$(echo "${curopt}" | cut -f2 -d=)