Merge pull request #561 from cshore/pull-request-fstab-improvements

Pull request fstab improvements

modules/luci-base/luasrc/util.lua

@@ -151,6 +151,28 @@ function striptags(value)
 	return value and tparser.striptags(tostring(value))
 end
 
+-- for bash, ash and similar shells single-quoted strings are taken
+-- literally except for single quotes (which terminate the string)
+-- (and the exception noted below for dash (-) at the start of a
+-- command line parameter).
+function shellsqescape(value)
+   local res
+   res, _ = string.gsub(res, "'", "'\\''")
+   return res
+end
+
+-- bash, ash and other similar shells interpret a dash (-) at the start
+-- of a command-line parameters as an option indicator regardless of
+-- whether it is inside a single-quoted string.  It must be backlash
+-- escaped to resolve this.  This requires in some funky special-case
+-- handling.  It may actually be a property of the getopt function
+-- rather than the shell proper.
+function shellstartsqescape(value)
+   res, _ = string.gsub(value, "^\-", "\\-")
+   res, _ = string.gsub(res, "^-", "\-")
+   return shellsqescape(value)
+end
+
 -- containing the resulting substrings. The optional max parameter specifies
 -- the number of bytes to process, regardless of the actual length of the given
 -- string. The optional last parameter, regex, specifies whether the separator

modules/luci-mod-admin-full/luasrc/model/cbi/admin_system/fstab.lua

@@ -33,12 +33,67 @@ until not ln
 
 block:close()
 
-
 m = Map("fstab", translate("Mount Points"))
+s = m:section(TypedSection, "global", translate("Global Settings"))
+s.addremove = false
+s.anonymous = true
+
+detect = s:option(Button, "block_detect", translate("Generate Config"), translate("Find all currently attached filesystems and swap and replace configuration with defaults based on what was detected"))
+detect.inputstyle = "reload"
+
+detect.write = function(self, section)
+	luci.sys.call("block detect >/etc/config/fstab")
+	luci.http.redirect(luci.dispatcher.build_url("admin/system", "fstab"))
+end
+
+o = s:option(Flag, "anon_swap", translate("Anonymous Swap"), translate("Mount swap not specifically configured"))
+o.default = o.disabled
+o.rmempty = false
+
+o = s:option(Flag, "anon_mount", translate("Anonymous Mount"), translate("Mount filesystems not specifically configured"))
+o.default = o.disabled
+o.rmempty = false
+
+o = s:option(Flag, "auto_swap", translate("Automount Swap"), translate("Automatically mount swap on hotplug"))
+o.default = o.enabled
+o.rmempty = false
+
+o = s:option(Flag, "auto_mount", translate("Automount Filesystem"), translate("Automatically mount filesystems on hotplug"))
+o.default = o.enabled
+o.rmempty = false
+
+o = s:option(Flag, "check_fs", translate("Check fileystems before mount"), translate("Automatically check filesystem for errors before mounting"))
+o.default = o.disabled
+o.rmempty = false
 
 local mounts = luci.sys.mounts()
+local non_system_mounts = {}
+for rawmount, val in pairs(mounts) do
+    if (string.find(val.mountpoint, "/tmp/.jail") == nil) then
+      repeat 
+          val.umount = false
+          if (val.mountpoint == "/") then
+              break
+          elseif (val.mountpoint == "/overlay") then
+              break
+          elseif (val.mountpoint == "/rom") then
+              break
+          elseif (val.mountpoint == "/tmp") then
+              break
+          elseif (val.mountpoint == "/tmp/shm") then
+              break
+          elseif (val.mountpoint == "/tmp/upgrade") then
+              break
+          elseif (val.mountpoint == "/dev") then
+              break
+          end
+          val.umount = true
+      until true
+      non_system_mounts[rawmount] = val       
+   end   
+end
 
-v = m:section(Table, mounts, translate("Mounted file systems"))
+v = m:section(Table, non_system_mounts, translate("Mounted file systems"))
 
 fs = v:option(DummyValue, "fs", translate("Filesystem"))
 
@@ -61,7 +116,21 @@ function used.cfgvalue(self, section)
 	) .. ")"
 end
 
+unmount = v:option(Button, "unmount", translate("Unmount"))
+unmount.render = function(self, section, scope)
+	if non_system_mounts[section].umount then
+		self.title = translate("Unmount")
+		self.inputstyle = "remove"
+        	Button.render(self, section, scope)
+	end
+end
 
+unmount.write = function(self, section)
+	if non_system_mounts[section].umount then
+		luci.sys.call("/bin/umount '%s'" % luci.util.shellstartsqescape(non_system_mounts[section].mountpoint))
+		return luci.http.redirect(luci.dispatcher.build_url("admin/system", "fstab"))
+        end
+end
 
 mount = m:section(TypedSection, "mount", translate("Mount Points"), translate("Mount Points define at which point a memory device will be attached to the filesystem"))
 mount.anonymous = true