From 3f7fdf0e4a6ed234588c45d5260f52b83e43d3f7 Mon Sep 17 00:00:00 2001
From: Michel-FK <michel.stempin@funkey-project.com>
Date: Tue, 3 Nov 2020 17:37:21 +0100
Subject: [PATCH] put alsa in read-only

Signed-off-by: Michel-FK <michel.stempin@funkey-project.com>
---
 FunKey/board/funkey/post-build.sh                         | 8 ++++++++
 .../board/funkey/rootfs-overlay/etc/init.d/S50alsa-utils  | 4 +++-
 Recovery/board/funkey/post-build.sh                       | 6 +++++-
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/FunKey/board/funkey/post-build.sh b/FunKey/board/funkey/post-build.sh
index 0f1abf1..c6d4a2f 100755
--- a/FunKey/board/funkey/post-build.sh
+++ b/FunKey/board/funkey/post-build.sh
@@ -7,5 +7,13 @@ sed -i '3iexport PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/sbin:/usr/local/b
 # Remove log daemon init scripts since they are loaded from inittab
 rm -f ${TARGET_DIR}/etc/init.d/S01syslogd ${TARGET_DIR}/etc/init.d/S02klogd
 
+# Remove dhcp lib dir and link to /tmp
+rm -rf ${TARGET_DIR}/var/lib/dhcp/
+ln -s /tmp ${TARGET_DIR}/var/lib/dhcp
+
+# Redirect drobear keys to /tmp
+rm -rf ${TARGET_DIR}/etc/dropbear
+ln -s /tmp ${TARGET_DIR}/etc/dropbear
+
 # Change dropbear init sequence
 mv ${TARGET_DIR}/etc/init.d/S50dropbear ${TARGET_DIR}/etc/init.d/S42dropbear
diff --git a/FunKey/board/funkey/rootfs-overlay/etc/init.d/S50alsa-utils b/FunKey/board/funkey/rootfs-overlay/etc/init.d/S50alsa-utils
index 6621fe8..8a1131b 100755
--- a/FunKey/board/funkey/rootfs-overlay/etc/init.d/S50alsa-utils
+++ b/FunKey/board/funkey/rootfs-overlay/etc/init.d/S50alsa-utils
@@ -79,7 +79,7 @@ store_levels()
 	CARD="$1"
 	[ "$1" = all ] && CARD=""
 	if MSG="$(alsactl -E HOME="$ALSACTLHOME" store $CARD 2>&1)" ; then
-		sleep 1
+		#sleep 1
 		return 0
 	else
 		log_action_cont_msg "warning: 'alsactl store${CARD:+ $CARD}' failed with error message '$MSG'"
@@ -180,7 +180,9 @@ case "$1" in
 	  *) log_action_begin_msg "Stopping ALSA card ${TARGET_CARD}" ;;
 	esac
 	card_OK "$TARGET_CARD" || log_action_end_msg_and_exit "$( [ ! "$2" ] ; echo $? ; )" "none loaded"
+	rw
 	store_levels "$TARGET_CARD" || EXITSTATUS=1
+	ro
 	#mute_and_zero_levels "$TARGET_CARD" || EXITSTATUS=1
 	log_action_end_msg_and_exit "$EXITSTATUS"
 	;;
diff --git a/Recovery/board/funkey/post-build.sh b/Recovery/board/funkey/post-build.sh
index 885e400..d55aed3 100755
--- a/Recovery/board/funkey/post-build.sh
+++ b/Recovery/board/funkey/post-build.sh
@@ -7,11 +7,15 @@ sed -i '3iexport PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/sbin:/usr/local/b
 # Remove log daemon init scripts since they are loaded from inittab
 rm -f ${TARGET_DIR}/etc/init.d/S01syslogd ${TARGET_DIR}/etc/init.d/S02klogd
 
+# Remove dhcp lib dir and link to /tmp
+rm -rf ${TARGET_DIR}/var/lib/dhcp/
+ln -s /tmp ${TARGET_DIR}/var/lib/dhcp
+
 # Change dropbear init sequence
 mv ${TARGET_DIR}/etc/init.d/S50dropbear ${TARGET_DIR}/etc/init.d/S42dropbear
 
 # Redirect drobear keys to /tmp
-rm ${TARGET_DIR}/etc/dropbear
+rm -rf ${TARGET_DIR}/etc/dropbear
 ln -s /tmp ${TARGET_DIR}/etc/dropbear
 
 # Generate U-Boot environment