From a5d2a9e3a14463675062eb5e958af92dfc962252 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Thu, 23 Mar 2006 16:15:45 +0000
Subject: [PATCH] use locking to make sure that dropbear keys can be generated
 on the first boot

SVN-Revision: 3468
---
 .../base-files/default/etc/init.d/S99done     |  6 +++-
 openwrt/package/dropbear/files/S50dropbear    | 29 +++++++++++--------
 2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/openwrt/package/base-files/default/etc/init.d/S99done b/openwrt/package/base-files/default/etc/init.d/S99done
index 786a83f377..e41d4e698c 100755
--- a/openwrt/package/base-files/default/etc/init.d/S99done
+++ b/openwrt/package/base-files/default/etc/init.d/S99done
@@ -3,7 +3,11 @@ sysctl -p >&-
 
 # automagically run firstboot
 [ "$(nvram get no_root_swap)" != 1 ] && {
-	{ mount|grep "on / type tmpfs" 1>&-; } && firstboot switch2jffs
+	{ mount|grep "on / type tmpfs" 1>&-; } && {
+		lock /tmp/.switch2jffs
+		firstboot switch2jffs
+		lock -u /tmp/.switch2jffs
+	}
 }
 
 # set leds to normal state
diff --git a/openwrt/package/dropbear/files/S50dropbear b/openwrt/package/dropbear/files/S50dropbear
index 88fc288491..a4d6111bec 100755
--- a/openwrt/package/dropbear/files/S50dropbear
+++ b/openwrt/package/dropbear/files/S50dropbear
@@ -1,16 +1,21 @@
 #!/bin/sh
 
-for type in rsa dss; do {
-  # check for keys
-  key=/etc/dropbear/dropbear_${type}_host_key
-  [ ! -f $key ] && {
-    # generate missing keys
-    mkdir -p /etc/dropbear
-    [ -x /usr/bin/dropbearkey ] && {
-      /usr/bin/dropbearkey -t $type -f $key 2>&- >&- && exec $0 $*
-    } &
-    exit 0
-  }
-}; done
+[ ! -f /etc/dropbear/dropbear_rsa_host_key ] && {
+	for type in rsa dss; do {
+		# check for keys
+		key=/tmp/dropbear/dropbear_${type}_host_key
+		[ ! -f $key ] && {
+			# generate missing keys
+			mkdir -p /tmp/dropbear
+			[ -x /usr/bin/dropbearkey ] && {
+				/usr/bin/dropbearkey -t $type -f $key 2>&- >&- && exec $0 $*
+			} &
+			exit 0
+		}
+	}; done
+	lock -w /tmp/.switch2jffs
+	mkdir -p /etc/dropbear
+	mv /tmp/dropbear/dropbear_* /etc/dropbear/
+}
 
 /usr/sbin/dropbear
-- 
2.30.2