Add basic support for Synology DSM

explorer/disks

@@ -67,7 +67,10 @@ in
         then
             # shellcheck disable=SC2012
             ls -1 /sys/block/ \
-            | awk -v ign_majors="$(echo "${ign_majors}" | tr ' ' '|')" '
+            | awk -v ign_majors="${ign_majors}" '
+                BEGIN {
+                    gsub(/ /, "|", ign_majors)
+                }
                 {
                   devfile = "/sys/block/" $0 "/dev"
                   getline devno < devfile

explorer/init

@@ -39,6 +39,8 @@
 #    systemd, upstart, sysvinit, openrc, ???
 #  Devuan:
 #    sysvinit, sysvinit+openrc
+#  DSM:
+#    busybox-init+syno, upstart-syno, systemd
 #  Gentoo:
 #    sysvinit+openrc, openrc-init, systemd
 #  Haiku:
@@ -155,11 +157,15 @@ check_busybox_init() (
 	test -x "${busybox_path}" || return 1
 	grep -q 'BusyBox v[0-9]' "${busybox_path}" || return 1
 
-	# It is quite common to use Busybox init to stack other init systemd
+	# It is quite common to use BusyBox’s init to stack other service managers
 	# (like OpenRC) on top of it. So we check for that, too.
 	if stacked=$(check_openrc)
 	then
 		echo "busybox-init+${stacked}"
+	elif stacked=$(check_synoinit)
+	then
+		# Synology DSM < 5.0 uses BusyBox + synoservice(8)
+		echo "busybox-init+${stacked}"
 	else
 		echo busybox-init
 	fi
@@ -229,6 +235,13 @@ check_smf() {
 	echo smf
 }
 
+check_synoinit() {
+	# synoservice(8)
+	test -x /usr/syno/sbin/synoservice || return 1
+
+	echo syno
+}
+
 check_systemd() {
 	# NOTE: sd_booted(3)
 	test -d /run/systemd/system/ || return 1
@@ -263,7 +276,12 @@ check_upstart() {
 	case $(initctl version)
 	in
 		(*'(upstart '*')')
-			if test -d /etc/init
+			if test -x /usr/syno/sbin/synoservice \
+				&& test -x /usr/syno/sbin/synoservicectl
+			then
+				# upstart-based Synology init system
+				echo upstart-syno
+			elif test -d /etc/init
 			then
 				# modern (DBus-based?) upstart >= 0.5
 				echo upstart
@@ -300,11 +318,11 @@ find_init_procfs() (
 		# /sbin/init (deleted)
 		# [root@fedora-12 ~]# ls -l /proc/1/exe
 		# lrwxrwxrwx. 1 root root 0 2020-01-30 23:00 /proc/1/exe -> /sbin/init (deleted)
-
 		init_exe=${init_exe% (deleted)}
-		test -x "${init_exe}" || return 1
 	fi
 
+	test -x "${init_exe}" || return 1
+
 	echo "${init_exe}"
 )
 
@@ -400,10 +418,11 @@ check_list() (
 )
 
 
-# BusyBox's versions of ps and pgrep do not support some options
+# BusyBox’s versions of ps and pgrep do not support some options
 # depending on which compile-time options have been used.
 
 find_init_pgrep() {
+	command -v pgrep >/dev/null 2>&1 || return 1
 	pgrep -P0 -fl 2>/dev/null | awk -F '[[:blank:]]' '$1 == 1 { print $2 }'
 }
 

explorer/os

@@ -213,6 +213,14 @@ then
    exit 0
 fi
 
+if test -f /etc/synoinfo.conf && test -f /etc/VERSION
+then
+   # Synology DiskStation Manager
+   echo dsm
+   exit 0
+fi
+
+
 # Appliances
 
 if grep -q '^Check Point Gaia' /etc/cp-release 2>/dev/null

explorer/os_version

@@ -139,6 +139,25 @@ in
 
       echo "${devuan_version}"
       ;;
+   (dsm)
+      # e.g. 4.1-2668, 6.2.3-25426 Update 3
+
+      # shellcheck source=/dev/null
+      . /etc/VERSION || exit 0
+
+      # productversion is available on DSM 5.2+ only.
+      # For older versions fall back to concatenation of majorversion and minorversion.
+      : "${productversion:=${majorversion:-0}${minorversion:+.${minorversion}}}"
+
+      # some versions define smallfixnumber=0, which would produce
+      # "Update 0" and makes no sense.
+      test $((smallfixnumber)) -gt 0 || smallfixnumber=
+
+      printf '%s%s%s\n' \
+         "${productversion}" \
+         "${buildnumber:+-${buildnumber}}" \
+         "${smallfixnumber:+ Update ${smallfixnumber}}"
+      ;;
    (fedora)
       sed -e 's/^Fedora\( Core\)* release \(.*\) (.*)$/\2/' /etc/fedora-release
       ;;

type/__cron/explorer/cron-allowed

@@ -1,6 +1,6 @@
 #!/bin/sh -e
 #
-# 2022 Dennis Camera (dennis.camera at riiengineering.ch)
+# 2022,2025 Dennis Camera (dennis.camera at riiengineering.ch)
 #
 # This file is part of skonfig-base.
 #
@@ -25,6 +25,11 @@ cron_fail() { printf '%s\n' "$1" >&2; exit "$2"; }
 
 user=$(cat "${__object:?}/parameter/user")
 
+command -v crontab >/dev/null 2>&1 || {
+	echo 'Cannot find crontab(1). This type does not work without it.' >&2
+	exit 1
+}
+
 case $(uname -s)
 in
 	(SunOS)

type/__cron/explorer/entry

@@ -1,6 +1,6 @@
 #!/bin/sh -e
 #
-# 2022 Dennis Camera (dennis.camera at riiengineering.ch)
+# 2022,2025 Dennis Camera (dennis.camera at riiengineering.ch)
 #
 # This file is part of skonfig-base.
 #
@@ -34,7 +34,15 @@ crontab_list() {
 }
 
 grep_suffix() {
-	awk -v suffix="$1" 'substr($0, length($0) - length(suffix) + 1) == suffix'
+	awk -v suffix="$1" '
+	# skip comment lines
+	/^[[:blank:]]*#/ { next }
+
+	{
+		if (substr($0, length($0) - length(suffix) + 1) == suffix) {
+			print
+		}
+	}'
 }
 
-crontab_list | grep -v '^[[:blank:]]*#' | grep_suffix " # ${name}"
+crontab_list | grep_suffix " # ${name}"

type/__hostname/gencode-remote

@@ -67,7 +67,7 @@ in
             "&& hostnamectl set-hostname '${name_should}'" \
             "|| hostname '${name_should}'"
         ;;
-    (centos|fedora|redhat|scientific|oraclelinux|crux|freebsd|netbsd|openbsd|gentoo|void)
+    (centos|fedora|redhat|scientific|oraclelinux|crux|freebsd|netbsd|openbsd|gentoo|void|dsm)
         echo "hostname '${name_should}'"
         ;;
     (openwrt)

type/__hostname/manifest

@@ -104,6 +104,30 @@ in
             --key 'HOSTNAME' \
             --value "${name_should}"
         ;;
+    (dsm)
+        read -r os_version <"${__global:?}/explorer/os_version"
+        case ${os_version%%-*}
+        in
+            ([123]|[123].*|4.[12]|4.[12].*)
+                # before DSM 4.3
+                __file /etc/sysconfig/network \
+                    --state exists \
+                    --owner 0 --group 0 --mode 0644
+                require=__file/etc/sysconfig/network \
+                __key_value /etc/sysconfig/network:HOSTNAME \
+                    --file /etc/sysconfig/network \
+                    --delimiter '=' --exact_delimiter \
+                    --key 'HOSTNAME' \
+                    --value "${name_should}"
+                ;;
+            (*)
+                # DSM 4.3 and later
+                printf '%s\n' "${name_should}" | __file /etc/hostname \
+                    --owner 0 --group 0 --mode 0644 \
+                    --source -
+                ;;
+        esac
+        ;;
     (gentoo)
         # Only write to /etc/conf.d/hostname on OpenRC-based installations.
         # On systemd use hostnamectl(1) in gencode-remote.

type/__locale_system/manifest

@@ -96,6 +96,11 @@ in
             locale_conf='/etc/sysconfig/i18n'
         fi
         ;;
+    (dsm)
+        locale_conf='/etc/profile'
+        quote_value=false
+        key_prefix='export '
+        ;;
     (fedora)
         read -r os_version <"${__global:?}/explorer/os_version"
         if version_ge "${os_version}" 18
@@ -168,7 +173,7 @@ in
         # NOTE: lang.csh (csh config) is ignored here.
         locale_conf='/etc/profile.d/lang.sh'
         locale_conf_mode=0755
-        key="export ${__object_id:?}"
+        key_prefix='export '
         ;;
     (suse)
         read -r os_version <"${__global:?}/explorer/os_version"
@@ -207,10 +212,10 @@ __file "${locale_conf}" \
     --mode "${locale_conf_mode:-0644}"
 
 require="__file${locale_conf}" \
-__key_value "${locale_conf}:${key#export }" \
+__key_value "${locale_conf}:${key}" \
+    --state "${state_should}" \
     --file "${locale_conf}" \
-    --key "${key}" \
+    --key "${key_prefix-}${key}" \
     --delimiter '=' --exact_delimiter \
-    --state "${state_should}" \
     --value "${value:-$(catval "${__object:?}/parameter/value")}" \
     --onchange "${onchange_cmd-}"

type/__sysctl/manifest

@@ -1,8 +1,12 @@
 #!/bin/sh -e
 #
 # 2014 Steven Armstrong (steven-cdist at armstrong.cc)
+# 2017 Ľubomír Kučera (lubomir.kucera.jr at gmail.com)
+# 2018 Kamila Součková (kamila at ksp.sk)
+# 2018 Darko Poljak (darko.poljak at gmail.com)
 # 2018 Takashi Yoshi (takashi at yoshi.email)
-# 2019 Nico Schottelius (nico-cdist at schottelius.org)
+# 2016,2017,2019 Nico Schottelius (nico-cdist at schottelius.org)
+# 2023,2025 Dennis Camera (dennis.camera at riiengineering.ch)
 #
 # This file is part of skonfig-base.
 #
@@ -26,7 +30,7 @@ os=$(cat "${__global:?}/explorer/os")
 case ${os}
 in
    # Linux
-   (alpine|redhat|centos|almalinux|eurolinux|rocky|oraclelinux|ubuntu|debian|devuan|archlinux|coreos)
+   (alpine|redhat|centos|almalinux|eurolinux|rocky|oraclelinux|ubuntu|debian|devuan|archlinux|coreos|dsm)
       :
       ;;
    # BSD