luci-app-cifsd: add cifsd package and luci

package/lean/cifsd-tools/Makefile

@@ -0,0 +1,58 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=cifsd-tools
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/cifsd-team/cifsd-tools.git
+PKG_SOURCE_DATE:=2019-11-30
+PKG_SOURCE_VERSION:=830cba084ef70dd006a7f9acdf87fd07100754ff
+
+PKG_MAINTAINER:=Andy Walsh <andy.walsh44+github@gmail.com>
+PKG_LICENSE:=GPL-2.0-or-later
+PKG_LICENSE_FILES:=COPYING
+
+PKG_FIXUP:=autoreconf
+PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+PKG_REMOVE_FILES:=autogen.sh
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/nls.mk
+
+define Package/cifsd-tools
+  SECTION:=net
+  CATEGORY:=Network
+  SUBMENU:=Filesystem
+  TITLE:=Kernel CIFS/SMB server support and userspace tools
+  URL:=https://github.com/cifsd-team/cifsd-tools
+  DEPENDS:=+kmod-fs-cifsd +glib2 +libnl-core +libnl-genl
+endef
+
+define Package/cifsd-tools/description
+  Userspace tools (cifsd, cifsuseradd, cifsshareadd) for the CIFS/SMB kernel fileserver.
+  The config file location is /etc/cifs/smb.conf
+endef
+
+define Package/cifsd-tools/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libcifsdtools.so* $(1)/usr/lib/
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/{cifsuseradd,cifsshareadd,cifsd} $(1)/usr/sbin/
+	$(INSTALL_DIR) $(1)/etc/config $(1)/etc/cifs $(1)/etc/init.d
+	$(INSTALL_CONF) ./files/cifsd.config $(1)/etc/config/cifsd
+	$(INSTALL_DATA) ./files/smb.conf.template $(1)/etc/cifs/
+	$(INSTALL_BIN) ./files/cifsd.init $(1)/etc/init.d/cifsd
+	# copy examples until we have a wiki page
+	$(INSTALL_DATA) ./files/cifsd.config.example $(1)/etc/cifs/
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/Documentation/configuration.txt $(1)/etc/cifs/
+endef
+
+define Package/cifsd-tools/conffiles
+/etc/config/cifsd
+/etc/cifs/smb.conf.template
+/etc/cifs/smb.conf
+/etc/cifs/cifsdpwd.db
+endef
+
+$(eval $(call BuildPackage,cifsd-tools))

package/lean/cifsd-tools/files/cifsd.config

@@ -0,0 +1,14 @@
+
+config globals
+	option workgroup 'WORKGROUP'
+	option description 'OpenWrt'
+
+config share
+	option name 'testshare'
+	option read_only 'no'
+	option guest_ok 'yes'
+	option create_mask '0666'
+	option dir_mask '0777'
+	option browseable 'yes'
+	option path '/tmp/tmp'
+

package/lean/cifsd-tools/files/cifsd.config.example

@@ -0,0 +1,11 @@
+config globals
+	option 'description'	'Cifsd on OpenWrt'
+
+config share
+	option name 'testshare'
+	option path '/tmp'
+	option read_only 'no'
+	option guest_ok 'yes'
+	option create_mask '0666'
+	option dir_mask '0777'
+	option force_root '1'

package/lean/cifsd-tools/files/cifsd.init

@@ -0,0 +1,190 @@
+#!/bin/sh /etc/rc.common
+
+START=98
+
+CIFSD_IFACE=""
+
+smb_header()
+{
+	config_get CIFSD_IFACE $1 interface "lan"
+
+	# resolve interfaces
+	local interfaces
+	interfaces=$(
+		. /lib/functions/network.sh
+
+		local net
+		for net in $CIFSD_IFACE; do
+			local device
+			network_is_up $net || continue
+			network_get_device device "$net"
+			echo -n "${device:-$net} "
+		done
+	)
+
+	local workgroup description
+	local hostname
+	hostname="$(cat /proc/sys/kernel/hostname)"
+
+	config_get workgroup		$1 workgroup	"WORKGROUP"
+	config_get description		$1 description	"Cifsd on OpenWrt"
+
+	sed -e "s#|NAME|#$hostname#g" \
+	    -e "s#|WORKGROUP|#$workgroup#g" \
+	    -e "s#|DESCRIPTION|#$description#g" \
+	    -e "s#|INTERFACES|#$interfaces#g" \
+	    /etc/cifs/smb.conf.template > /var/etc/cifs/smb.conf
+
+	[ -e /etc/cifs/smb.conf ] || ln -nsf /var/etc/cifs/smb.conf /etc/cifs/smb.conf
+
+	if [ ! -L /etc/cifs/smb.conf ]; then
+		logger -t 'cifsd' "Local custom /etc/cifs/smb.conf file detected, all UCI/Luci config settings are ignored!"
+	fi
+}
+
+smb_add_share()
+{
+	local name
+	local path
+	local comment
+	local users
+	local create_mask
+	local dir_mask
+	local browseable
+	local read_only
+	local writeable
+	local guest_ok
+	local force_root
+	local write_list
+	local read_list
+	local hide_dot_files
+	local veto_files
+	local inherit_owner
+	local force_create_mode
+	local force_directory_mode
+
+	config_get name $1 name
+	config_get path $1 path
+	config_get comment $1 comment
+	config_get users $1 users
+	config_get create_mask $1 create_mask
+	config_get dir_mask $1 dir_mask
+	config_get browseable $1 browseable
+	config_get read_only $1 read_only
+	config_get writeable $1 writeable
+	config_get guest_ok $1 guest_ok
+	config_get_bool force_root $1 force_root 0
+	config_get write_list $1 write_list
+	config_get read_list $1 read_list
+	config_get hide_dot_files $1 hide_dot_files
+	config_get veto_files $1 veto_files
+	config_get inherit_owner $1 inherit_owner
+	config_get force_create_mode $1 force_create_mode
+	config_get force_directory_mode $1 force_directory_mode
+
+	[ -z "$name" ] || [ -z "$path" ] && return
+
+	{
+		printf "\n[%s]\n\tpath = %s\n" "$name" "$path"
+		[ -n "$comment" ] && printf "\tcomment = %s\n" "$comment"
+
+		if [ "$force_root" -eq 1 ]; then
+			printf "\tforce user = %s\n" "root"
+			printf "\tforce group = %s\n" "root"
+		else
+			[ -n "$users" ] && printf "\tvalid users = %s\n" "$users"
+		fi
+
+		[ -n "$create_mask" ] && printf "\tcreate mask = %s\n" "$create_mask"
+		[ -n "$dir_mask" ] && printf "\tdirectory mask = %s\n" "$dir_mask"
+		[ -n "$force_create_mode" ] && printf "\tforce create mode = %s\n" "$force_create_mode"
+		[ -n "$force_directory_mode" ] && printf "\tforce directory mode = %s\n" "$force_directory_mode"
+
+		[ -n "$browseable" ] && printf "\tbrowseable = %s\n" "$browseable"
+		[ -n "$read_only" ] && printf "\tread only = %s\n" "$read_only"
+		[ -n "$writeable" ] && printf "\twriteable = %s\n" "$writeable"
+
+		[ -n "$guest_ok" ] && printf "\tguest ok = %s\n" "$guest_ok"
+		[ -n "$inherit_owner" ] && printf "\tinherit owner = %s\n" "$inherit_owner"
+
+		[ -n "$write_list" ] && printf "\twrite list = %s\n" "$write_list"
+		[ -n "$read_list" ] && printf "\tread list = %s\n" "$read_list"
+
+		[ -n "$hide_dot_files" ] && printf "\thide dot files = %s\n" "$hide_dot_files"
+		[ -n "$veto_files" ] && printf "\tveto files = %s\n" "$veto_files"
+	} >> /var/etc/cifs/smb.conf
+}
+
+init_config()
+{
+	mkdir -p /var/etc/cifs
+
+	config_load cifsd
+	# allow copy&paste from samba UCI configs (we dont have a cifsd wiki yet)
+	config_foreach smb_header globals
+	config_foreach smb_header samba
+	config_foreach smb_add_share share
+	config_foreach smb_add_share sambashare
+}
+
+
+start()
+{
+	init_config
+
+	if [ ! -e /etc/cifs/smb.conf ]; then
+		logger -t 'cifsd' "missing config /etc/cifs/smb.conf, needs to-be created manually!"
+		exit 1
+	fi
+
+	if [ -e /sys/module/cifsd ]; then
+		if [ -e /sys/class/cifsd-control/kill_server ]; then
+			# upstream "BUG": ensure changes in smb.conf are reflected on a running kernel-server
+			echo hard > /sys/class/cifsd-control/kill_server
+			# we need a extra timeout for the reset
+			sleep 5
+		fi
+	fi
+
+	modprobe cifsd 2> /dev/null
+	if [ ! -e /sys/module/cifsd ]; then
+		logger -t 'cifsd' "modprobe of cifsd module failed, can\'t start cifsd!"
+		exit 1
+	fi
+
+	logger -t 'cifsd' "Starting CIFS/SMB userspace service."
+	/usr/sbin/cifsd --config /var/etc/cifs/smb.conf --n --s > /dev/null 2>&1
+
+}
+
+stop()
+{
+	logger -t 'cifsd' "Stopping CIFSD userspace service."
+	killall cifsd > /dev/null 2>&1
+
+	[ -e /sys/module/cifsd ] && rmmod cifsd > /dev/null 2>&1
+	# With open smb connections rmmod is not possible, without waiting for the long 'ipc timeout', so we use 'kill_server'!
+	if [ -e /sys/module/cifsd ]; then
+		logger -t 'cifsd' "triggering kill_server"
+		if [ -e /sys/class/cifsd-control/kill_server ]; then
+			echo hard > /sys/class/cifsd-control/kill_server
+			# we need a extra timeout for the reset
+			sleep 5
+		fi
+	fi
+	# next try
+	[ -e /sys/module/cifsd ] && rmmod cifsd > /dev/null 2>&1
+	# check again
+	if [ -e /sys/module/cifsd ]; then
+		# wait more...
+		sleep 3
+	fi
+	# last try
+	[ -e /sys/module/cifsd ] && rmmod cifsd > /dev/null 2>&1
+
+	if [ -e /sys/module/cifsd ]; then
+		logger -t 'cifsd' "module still loaded after 8s timeout"
+	fi
+	[ -f /tmp/cifsd.lock ] && rm /tmp/cifsd.lock
+}
+