From 19d06826f3ec2891375ade408828532d79c3031f Mon Sep 17 00:00:00 2001
From: illiliti <illiliti@protonmail.com>
Date: Tue, 11 May 2021 13:04:02 +0300
Subject: [PATCH] init: make mount options safe from word splitting

---
 init | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/init b/init
index 02b9111..7cea3bf 100755
--- a/init
+++ b/init
@@ -89,7 +89,7 @@ parse_cmdline()
         rootfstype=*) root_type="${line#*=}" ;;
         rootflags=*)  root_opts="${line#*=}" ;;
         debug=1)      set -x ;;
-        ro | rw)      rorw="-o $line" ;;
+        ro | rw)      rorw="$line" ;;
         --*)          init_args="${cmdline#*-- }"; break ;;
         *=*)          command export "$line"     ;;
         *)            command export "${line}=1" ;;
@@ -105,7 +105,7 @@ mount_root()
     # https://www.shellcheck.net/wiki/SC2086
     # shellcheck disable=2086
     mount \
-        ${rorw:--o ro}${root_opts:+,$root_opts} ${root_type:+-t $root_type} \
+        -o "${rorw:-ro}${root_opts:+,$root_opts}" ${root_type:+-t $root_type} \
         -- "$device" /mnt/root || panic "failed to mount root"
 }