From c140ff0ad691a34ecf9b46ea471ba6a6fc4dfd32 Mon Sep 17 00:00:00 2001
From: Cem Keylan <cem@ckyln.com>
Date: Sat, 16 May 2020 12:55:12 +0300
Subject: init: multiple changes

- added a random function for random seed
- if svctl exists, kill sysmgr services
---
 rc.boot     | 12 ++----------
 rc.lib      | 20 ++++++++++++++++++++
 rc.shutdown |  9 ++++++---
 3 files changed, 28 insertions(+), 13 deletions(-)

diff --git a/rc.boot b/rc.boot
index 26edfbe..8c9838d 100755
--- a/rc.boot
+++ b/rc.boot
@@ -78,16 +78,8 @@ out "Enabling swap..."; {
     swapon -a || shell
 }
 
-out "Seeding random..."; {
-    if [ -f /var/random.seed ]; then
-        cat /var/random.seed > /dev/urandom
-    else
-        out "This may hang."
-        out "Mash the keyboard to generate entropy..."
-
-        dd count=1 bs=512 if=/dev/random of=/var/random.seed
-    fi
-}
+# Load random seed
+random load
 
 out "Setting up loopback..."; {
     ip link set up dev lo
diff --git a/rc.lib b/rc.lib
index 412f98b..8d65dd9 100644
--- a/rc.lib
+++ b/rc.lib
@@ -17,3 +17,23 @@ run_hook() {
         . "$hook"
     done
 }
+
+random() {
+    seed=/var/random.seed
+    case "$1" in
+        load)
+            out "Seeding random..."
+            [ -f "$seed" ] || {
+                out "Generating entropy, this might take a while..."
+                dd count=1 bs=512 if=/dev/random of="$seed" 2>/dev/null
+            }
+            cat "$seed" > /dev/urandom
+            ;;
+        save)
+            mkdir -p "${seed%/*}"
+            out "Saving random seed..."
+            dd count=1 bs=512 if=/dev/urandom of="$seed" 2>/dev/null
+            ;;
+    esac
+}
+
diff --git a/rc.shutdown b/rc.shutdown
index 2266f21..e2ea347 100755
--- a/rc.shutdown
+++ b/rc.shutdown
@@ -13,11 +13,14 @@ command -v sv >/dev/null &&
     sv exit /var/service/* >/dev/null
 }
 
-
-out "Saving random seed..."; {
-    dd count=1 bs=512 if=/dev/random of=/var/random.seed
+command -v svctl >/dev/null &&
+    out "Waiting for sysmgr services to stop..."; {
+    svctl kill /var/sysmgr/* 2>/dev/null
 }
 
+# Save random seed
+random save
+
 out "Sending TERM signal to all processes..."; {
     killall5 -TERM
     sleep 1
-- 
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