From 2b22ce8f213dfa157a342256ea055979726dd297 Mon Sep 17 00:00:00 2001
From: Darren 'Tadgy' Austin <darren@afterdark.org.uk>
Date: Mon, 1 Jun 2026 23:28:07 +0100
Subject: [PATCH] Added initscript for samba-ad-dc.

---
 initscript-samba-ad-dc | 222 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 222 insertions(+)
 create mode 100755 initscript-samba-ad-dc

diff --git a/initscript-samba-ad-dc b/initscript-samba-ad-dc
new file mode 100755
index 0000000..ece5280
--- /dev/null
+++ b/initscript-samba-ad-dc
@@ -0,0 +1,222 @@
+#!/bin/bash
+# Version: 0.5.0.
+# Variant: service.
+# Copyright (c) 2005-2023:
+#   Darren 'Tadgy' Austin <darren (at) afterdark.org.uk>
+# Licensed under the terms of the GNU General Public License version 3.
+
+SERVICE_EXEC="/usr/sbin/samba"
+SERVICE_ARGS=()
+SERVICE_ENV=()
+SERVICE_PIDFILE="/run/samba.pid"
+
+# Allow configuration in /etc/default to override.
+# Additional available variables:
+#   SERVICE_EXTRA_ARGS=()	# Extra arguments passed to $SERVICE_EXEC.  Must be an array.
+#   SERVICE_EXTRA_ENV=()	# Extra environment passed to $SERVICE_EXEC.  Must be an array.
+#   SLAY_DELAY=""		# Delay between the SIGTERM and SIGKILL on a 'stop'.  Default: 2s.
+#   RESTART_DELAY=""		# Delay between stopping and starting on a 'restart'.  Default: 2s.
+[[ -e "/etc/default/${0##*rc.}" ]] && {
+  # shellcheck disable=SC1090
+  source "/etc/default/${0##*rc.}" 2>/dev/null || {
+    printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "failed sourcing '/etc/default/${0##*rc.}'" >&2
+    exit 2
+  }
+}
+
+# Now all possible variable changes are complete, expand out the embedded variables, if any.
+eval "$(declare -p SERVICE_EXEC SERVICE_ARGS SERVICE_ENV SERVICE_PIDFILE SERVICE_EXTRA_ARGS SERVICE_EXTRA_ENV \
+    SLAY_DELAY RESTART_DELAY 2>/dev/null | sed -re 's/\\\$/$/g')" || {
+  printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "failed expanding embedded variables" >&2
+  exit 2
+}
+
+# This function can be used to perform any pre-start tests; hopfully to insure the daemon can start
+# correctly, before actually trying to start it.
+checkconfigured() {
+  # Returns:
+  #   0 - The pre-start tests passed and the service should be started.
+  #  >0 - Pre-start tests failed - the service should not be started.
+  return 0
+}
+
+checkstatus() {
+  # Returns:
+  #   0 - Service is running.
+  #   1 - Service is running, but there is a problem with the .pid file.
+  #   2 - Service is not running.
+  # shellcheck disable=SC2155
+  local RET=0 RUNPIDS="$({ pgrep -f "$SERVICE_EXEC"; pgrep -F "$SERVICE_PIDFILE" 2>/dev/null; } | sort -u)"
+  if [[ -n "$RUNPIDS" ]]; then
+    printf "%s: %s: %s" "${BASH_SOURCE[0]##*/}" "status" "service running"
+    if [[ -n "$SERVICE_PIDFILE" ]]; then
+      if [[ ! -e "$SERVICE_PIDFILE" ]]; then
+        printf "%s" ", but .pid file does not exist"
+        RET=1
+      elif ! grep "\<$(<"$SERVICE_PIDFILE")\>" <<<"$RUNPIDS" >/dev/null 2>&1; then
+        printf "%s" ", but .pid file is stale"
+        RET=1
+      fi
+    fi
+    printf "\\n"
+  else
+    printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "status" "service stopped"
+    RET=2
+  fi
+  return "$RET"
+}
+
+startdaemon() {
+  # Returns:
+  #   0 - Service started successfully.
+  #   1 - Sanity or pre-start check failed.
+  #   2 - Error code returned when starting service.
+  local ERR
+  if [[ ! -e "$SERVICE_EXEC" ]]; then
+    printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "not started - '$SERVICE_EXEC' not found" >&2
+    return 1
+  elif [[ ! -x "$SERVICE_EXEC" ]]; then
+    printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "not started - '$SERVICE_EXEC' not executable" >&2
+    return 1
+  elif ! checkconfigured; then
+    printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "not started - pre-start checks failed" >&2
+    return 1
+  fi
+  mkdir /run/samba
+  env "${SERVICE_ENV[@]@Q}" "${SERVICE_EXTRA_ENV[@]@Q}" "$SERVICE_EXEC" "${SERVICE_ARGS[@]@Q}" "${SERVICE_EXTRA_ARGS[@]@Q}" >/dev/null 2>&1
+  ERR=$?
+  (( ERR != 0 )) && {
+    printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "failed to start service (error code '$ERR)'" >&2
+    return 2
+  }
+  return 0
+}
+
+stopdaemon() {
+  # Returns:
+  #   0 - The service was stopped sucessfully with a SIGTERM.
+  #   1 - The service was stopped sucessfully with a SIGKILL.
+  #   2 - An error occured while stopping service.
+  local ERR RET=0 T="${SLAY_DELAY:-2}"
+  kill -TERM "$(pgrep -f "$SERVICE_EXEC" | tr $'\n' ' ')" >/dev/null 2>&1
+  sleep 0.5
+  T="$(awk -v T="$T" 'BEGIN {print T - 0.5}')"
+  checkstatus >/dev/null
+  ERR=$?
+  if (( ERR <= 1 )); then
+    [[ -n "$SERVICE_PIDFILE" ]] && [[ -e "$SERVICE_PIDFILE" ]] && {
+      kill -TERM "$(<"$SERVICE_PIDFILE")" >/dev/null 2>&1
+      sleep 0.5
+      T="$(awk -v T="$T" 'BEGIN {print T - 0.5}')"
+      checkstatus >/dev/null
+      ERR=$?
+      (( ERR <= 1 )) && sleep "$T"
+    }
+  elif (( ERR == 0 )); then
+    if kill -KILL "$({ pgrep -f "$SERVICE_EXEC"; cat "$SERVICE_PIDFILE" 2>/dev/null; } | sort -u | tr $'\n' ' ')" >/dev/null 2>&1; then
+      printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "warning" "failed to stop service gracefully - slayed" >&2
+      RET=1
+    else
+      RET=2
+    fi
+  fi
+  return "$RET"
+}
+
+RET=0
+case "$1" in
+  'start')
+    checkstatus >/dev/null
+    ERR=$?
+    if (( ERR <= 1 )); then
+      printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "service running" >&2
+      printf "%s\\n" "Try: ${BASH_SOURCE[0]} status" >&2
+      RET=1
+    elif (( ERR == 2 )); then
+      startdaemon
+      ERR=$?
+      if (( ERR == 1 )); then
+        RET=3
+      elif (( ERR == 2 )); then
+        RET=5
+      fi
+    fi
+    ;;
+  'stop')
+    checkstatus >/dev/null
+    ERR=$?
+    if (( ERR <= 1 )); then
+      stopdaemon
+      ERR=$?
+      (( ERR == 2 )) && {
+        sleep 0.1
+        checkstatus >/dev/null
+        ERR=$?
+        (( ERR <= 1 )) && {
+          printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "service failed to stop" >&2
+          RET=5
+        }
+      }
+    elif (( ERR == 2 )); then
+      printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "service stopped" >&2
+      printf "%s\\n" "Try: ${BASH_SOURCE[0]} status" >&2
+      RET=1
+    fi
+    ;;
+  'restart')
+    checkstatus >/dev/null
+    ERR=$?
+    (( ERR <= 1 )) && {
+      stopdaemon
+      ERR=$?
+      if (( ERR <= 1 )); then
+        sleep "${RESTART_DELAY:-2}"
+        RET=-1
+      elif (( ERR == 2 )); then
+        sleep 0.1
+        checkstatus >/dev/null
+        ERR=$?
+        (( ERR <= 1 )) && {
+          printf "%s: %s: %s\\n" "${BASH_SOURCE[0]##*/}" "error" "service failed to stop" >&2
+          RET=5
+        }
+      fi
+    }
+    (( RET <= 0 )) && {
+      startdaemon
+      ERR=$?
+      if (( ERR == 0 )); then
+        RET=0
+      elif (( ERR == 1 )); then
+        RET=3
+      elif (( ERR == 2 )); then
+        RET="$(( RET + 5 ))"
+      fi
+    }
+    ;;
+  'status')
+    checkstatus
+    ERR=$?
+    if (( ERR == 1 )); then
+      RET=4
+    elif (( ERR == 2 )); then
+      RET=5
+    fi
+    ;;
+  *)
+    printf "%s\\n" "Usage: ${BASH_SOURCE[0]} <start|stop|restart|status>" >&2
+    printf "%s\\n" "Error codes:" >&2
+    printf "  %s: %s\\n" "0" "For 'start', 'restart' and 'stop': Requested action succeeded." >&2
+    printf "     %s\\n" "For 'status': Service is running." >&2
+    printf "  %s: %s\\n" "1" "Usage error." >&2
+    printf "  %s: %s\\n" "2" "A general error occurred." >&2
+    printf "  %s: %s\\n" "3" "Sanity or pre-start check failed." >&2
+    printf "  %s: %s\\n" "4" "For 'start', 'restart' and 'stop': Partial failure to complete action." >&2
+    printf "     %s\\n" "For 'status': Service is running, but a problem exists with the .pid file." >&2
+    printf "  %s: %s\\n" "5" "For 'start', 'restart' and 'stop': Total failure to complete action." >&2
+    printf "     %s\\n" "For 'status': Service is not running." >&2
+    RET=1
+    ;;
+esac
+
+exit "$RET"