From 125fa7f6c6e163de52c97f3c482dcd72849c6744 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Sat, 31 Jan 2026 23:52:30 +0100
Subject: [PATCH] Add klogd, kernel logging daemon

---
 rc.syslog/klogd-log/consumer-for     |  1 +
 rc.syslog/klogd-log/dependencies     |  4 ++++
 rc.syslog/klogd-log/env/CMD          |  1 +
 rc.syslog/klogd-log/env/CMD_OPTS     |  1 +
 rc.syslog/klogd-log/env/LOGDIR_GROUP |  2 ++
 rc.syslog/klogd-log/env/LOGDIR_OWNER |  2 ++
 rc.syslog/klogd-log/env/LOGDIR_PATH  |  2 ++
 rc.syslog/klogd-log/env/LOGDIR_PERMS |  2 ++
 rc.syslog/klogd-log/env/LOG_SCRIPT   |  2 ++
 rc.syslog/klogd-log/notification-fd  |  1 +
 rc.syslog/klogd-log/pipeline-name    |  1 +
 rc.syslog/klogd-log/run              | 24 ++++++++++++++++++++++++
 rc.syslog/klogd-log/type             |  1 +
 rc.syslog/klogd-srv/dependencies     |  4 ++++
 rc.syslog/klogd-srv/env/CMD          |  1 +
 rc.syslog/klogd-srv/env/CMD_OPTS     |  1 +
 rc.syslog/klogd-srv/producer-for     |  1 +
 rc.syslog/klogd-srv/run              | 12 ++++++++++++
 rc.syslog/klogd-srv/type             |  1 +
 19 files changed, 64 insertions(+)
 create mode 100644 rc.syslog/klogd-log/consumer-for
 create mode 100644 rc.syslog/klogd-log/dependencies
 create mode 100644 rc.syslog/klogd-log/env/CMD
 create mode 100644 rc.syslog/klogd-log/env/CMD_OPTS
 create mode 100644 rc.syslog/klogd-log/env/LOGDIR_GROUP
 create mode 100644 rc.syslog/klogd-log/env/LOGDIR_OWNER
 create mode 100644 rc.syslog/klogd-log/env/LOGDIR_PATH
 create mode 100644 rc.syslog/klogd-log/env/LOGDIR_PERMS
 create mode 100644 rc.syslog/klogd-log/env/LOG_SCRIPT
 create mode 100644 rc.syslog/klogd-log/notification-fd
 create mode 100644 rc.syslog/klogd-log/pipeline-name
 create mode 100644 rc.syslog/klogd-log/run
 create mode 100644 rc.syslog/klogd-log/type
 create mode 100644 rc.syslog/klogd-srv/dependencies
 create mode 100644 rc.syslog/klogd-srv/env/CMD
 create mode 100644 rc.syslog/klogd-srv/env/CMD_OPTS
 create mode 100644 rc.syslog/klogd-srv/producer-for
 create mode 100644 rc.syslog/klogd-srv/run
 create mode 100644 rc.syslog/klogd-srv/type

diff --git a/rc.syslog/klogd-log/consumer-for b/rc.syslog/klogd-log/consumer-for
new file mode 100644
index 0000000..3a77aac
--- /dev/null
+++ b/rc.syslog/klogd-log/consumer-for
@@ -0,0 +1 @@
+klogd-srv
diff --git a/rc.syslog/klogd-log/dependencies b/rc.syslog/klogd-log/dependencies
new file mode 100644
index 0000000..e85efae
--- /dev/null
+++ b/rc.syslog/klogd-log/dependencies
@@ -0,0 +1,4 @@
+# Comment out "remount-root" and uncomment "local-fs"
+# if you use separate partition for /var/log
+remount-root
+#local-fs
diff --git a/rc.syslog/klogd-log/env/CMD b/rc.syslog/klogd-log/env/CMD
new file mode 100644
index 0000000..9d5239c
--- /dev/null
+++ b/rc.syslog/klogd-log/env/CMD
@@ -0,0 +1 @@
+s6-log
diff --git a/rc.syslog/klogd-log/env/CMD_OPTS b/rc.syslog/klogd-log/env/CMD_OPTS
new file mode 100644
index 0000000..00d672e
--- /dev/null
+++ b/rc.syslog/klogd-log/env/CMD_OPTS
@@ -0,0 +1 @@
+-d3
diff --git a/rc.syslog/klogd-log/env/LOGDIR_GROUP b/rc.syslog/klogd-log/env/LOGDIR_GROUP
new file mode 100644
index 0000000..3794bcd
--- /dev/null
+++ b/rc.syslog/klogd-log/env/LOGDIR_GROUP
@@ -0,0 +1,2 @@
+root
+# Logging directory group ownership
diff --git a/rc.syslog/klogd-log/env/LOGDIR_OWNER b/rc.syslog/klogd-log/env/LOGDIR_OWNER
new file mode 100644
index 0000000..9f9fd12
--- /dev/null
+++ b/rc.syslog/klogd-log/env/LOGDIR_OWNER
@@ -0,0 +1,2 @@
+root
+# Logging directory owner
diff --git a/rc.syslog/klogd-log/env/LOGDIR_PATH b/rc.syslog/klogd-log/env/LOGDIR_PATH
new file mode 100644
index 0000000..0250193
--- /dev/null
+++ b/rc.syslog/klogd-log/env/LOGDIR_PATH
@@ -0,0 +1,2 @@
+/var/log/klogd
+# Logging directory path
diff --git a/rc.syslog/klogd-log/env/LOGDIR_PERMS b/rc.syslog/klogd-log/env/LOGDIR_PERMS
new file mode 100644
index 0000000..ccece6e
--- /dev/null
+++ b/rc.syslog/klogd-log/env/LOGDIR_PERMS
@@ -0,0 +1,2 @@
+750
+# Logging directory access rights in octal
diff --git a/rc.syslog/klogd-log/env/LOG_SCRIPT b/rc.syslog/klogd-log/env/LOG_SCRIPT
new file mode 100644
index 0000000..017b42c
--- /dev/null
+++ b/rc.syslog/klogd-log/env/LOG_SCRIPT
@@ -0,0 +1,2 @@
+n4 s500000 $LOGDIR_PATH
+# Logging script used by s6-log
diff --git a/rc.syslog/klogd-log/notification-fd b/rc.syslog/klogd-log/notification-fd
new file mode 100644
index 0000000..00750ed
--- /dev/null
+++ b/rc.syslog/klogd-log/notification-fd
@@ -0,0 +1 @@
+3
diff --git a/rc.syslog/klogd-log/pipeline-name b/rc.syslog/klogd-log/pipeline-name
new file mode 100644
index 0000000..fd64770
--- /dev/null
+++ b/rc.syslog/klogd-log/pipeline-name
@@ -0,0 +1 @@
+klogd
diff --git a/rc.syslog/klogd-log/run b/rc.syslog/klogd-log/run
new file mode 100644
index 0000000..bf7515d
--- /dev/null
+++ b/rc.syslog/klogd-log/run
@@ -0,0 +1,24 @@
+#!/bin/execlineb -P
+
+###################################
+# Start the kernel logging daemon #
+###################################
+
+s6-envdir env
+multisubstitute {
+  importas -u LOGDIR_OWNER LOGDIR_OWNER
+  importas -u LOGDIR_GROUP LOGDIR_GROUP
+  importas -u LOGDIR_PERMS LOGDIR_PERMS
+  importas -u CMD CMD
+  importas -usCd" " CMD_OPTS CMD_OPTS
+  importas -usCd" " LOG_SCRIPT LOG_SCRIPT
+}
+s6-envuidgid -B ${LOGDIR_OWNER}:${LOGDIR_GROUP}
+multisubstitute {
+  importas -u LOGDIR_PATH LOGDIR_PATH
+  importas -u UID UID
+  importas -u GID GID
+}
+if { install -dm $LOGDIR_PERMS -o $UID -g $GID $LOGDIR_PATH }
+s6-setuidgid ${UID}:${GID}
+exec -c $CMD $CMD_OPTS -- $LOG_SCRIPT
diff --git a/rc.syslog/klogd-log/type b/rc.syslog/klogd-log/type
new file mode 100644
index 0000000..5883cff
--- /dev/null
+++ b/rc.syslog/klogd-log/type
@@ -0,0 +1 @@
+longrun
diff --git a/rc.syslog/klogd-srv/dependencies b/rc.syslog/klogd-srv/dependencies
new file mode 100644
index 0000000..e85efae
--- /dev/null
+++ b/rc.syslog/klogd-srv/dependencies
@@ -0,0 +1,4 @@
+# Comment out "remount-root" and uncomment "local-fs"
+# if you use separate partition for /var/log
+remount-root
+#local-fs
diff --git a/rc.syslog/klogd-srv/env/CMD b/rc.syslog/klogd-srv/env/CMD
new file mode 100644
index 0000000..6bd031b
--- /dev/null
+++ b/rc.syslog/klogd-srv/env/CMD
@@ -0,0 +1 @@
+dmesg
diff --git a/rc.syslog/klogd-srv/env/CMD_OPTS b/rc.syslog/klogd-srv/env/CMD_OPTS
new file mode 100644
index 0000000..782891c
--- /dev/null
+++ b/rc.syslog/klogd-srv/env/CMD_OPTS
@@ -0,0 +1 @@
+--follow --kernel --userspace --color=never --nopager --ctime --decode -s 65536
diff --git a/rc.syslog/klogd-srv/producer-for b/rc.syslog/klogd-srv/producer-for
new file mode 100644
index 0000000..2f21a8f
--- /dev/null
+++ b/rc.syslog/klogd-srv/producer-for
@@ -0,0 +1 @@
+klogd-log
diff --git a/rc.syslog/klogd-srv/run b/rc.syslog/klogd-srv/run
new file mode 100644
index 0000000..4827947
--- /dev/null
+++ b/rc.syslog/klogd-srv/run
@@ -0,0 +1,12 @@
+#!/bin/execlineb -P
+
+###################################
+# Start the kernel logging daemon #
+###################################
+
+s6-envdir env
+multisubstitute {
+  importas -u CMD CMD
+  importas -usCd" " CMD_OPTS CMD_OPTS
+}
+exec -c $CMD $CMD_OPTS
diff --git a/rc.syslog/klogd-srv/type b/rc.syslog/klogd-srv/type
new file mode 100644
index 0000000..5883cff
--- /dev/null
+++ b/rc.syslog/klogd-srv/type
@@ -0,0 +1 @@
+longrun