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1000 lines
25 KiB
1000 lines
25 KiB
// XXX: Clarify IsSocks, PID
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// XXX: Leak on refresh
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// XXX: Find way to share FirewallPrompt introspect xml with extension.js
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// XXX: Prompt Only mode with different APPID (debug/dev)
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// XXX? inotify refresh passwd/groups
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// XXX: Existing prompt bugs:
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// > XXX: Dead prompt requests not removed properly
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// > XXX: Gtk-WARNING **: /build/gtk+3.0-NmdvYo/gtk+3.0-3.22.11/./gtk/gtktreestore.c:860: Unable to convert from gpointer to gchararray
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package main
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import (
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"bufio"
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"bytes"
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"encoding/xml"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"os/signal"
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"strings"
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"strconv"
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"sync"
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"syscall"
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"time"
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"github.com/subgraph/fw-daemon/fw-settings/settings"
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"github.com/subgraph/fw-daemon/sgfw"
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"github.com/gotk3/gotk3/gdk"
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"github.com/gotk3/gotk3/glib"
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"github.com/gotk3/gotk3/gtk"
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)
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type promptModes uint
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const (
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promptModeDisabled promptModes = iota
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promptModeOnly
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promptModeEnabled
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)
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type switcherDirection uint
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const (
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switcherDirectionUp switcherDirection = iota
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switcherDirectionDown
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)
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type appShortcuts struct {
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Accel string
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Group string
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Title string
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}
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type cbPromptAdd func(guid, path, icon, proto string, pid int, ipaddr, hostname string, port, uid, gid int,
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origin, timestamp string, is_socks bool, optstring string, sandbox string, action int) bool
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type cbPromptRemove func(string)
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var cbPromptAddRequest cbPromptAdd = nil
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var cbPromptRemoveRequest cbPromptRemove = nil
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const groupFile = "/etc/group"
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const userFile = "/etc/passwd"
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type fwApp struct {
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*gtk.Application
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forceMenu bool
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Dbus *dbusObject
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DbusServer *dbusServer
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promptMode promptModes
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prompt *Prompt
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Config *sgfw.FirewallConfigs
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Settings *settings.Settings
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winb *builder
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win *gtk.ApplicationWindow
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repopMutex *sync.Mutex
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swRulesPermanent *gtk.ScrolledWindow
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swRulesSession *gtk.ScrolledWindow
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swRulesProcess *gtk.ScrolledWindow
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swRulesSystem *gtk.ScrolledWindow
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swPrompt *gtk.ScrolledWindow
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boxPermanent *gtk.ListBox
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boxSession *gtk.ListBox
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boxProcess *gtk.ListBox
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boxSystem *gtk.ListBox
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rlPermanent *ruleList
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rlSession *ruleList
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rlProcess *ruleList
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rlSystem *ruleList
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btnNewRule *gtk.Button
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nbRules *gtk.Notebook
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tlStack *gtk.Stack
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tlStackSwitcher *gtk.StackSwitcher
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gridConfig *gtk.Grid
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entrySearch *gtk.SearchEntry
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btnSearch *gtk.ToggleButton
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revealerSearch *gtk.Revealer
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boxAppMenu *gtk.Box
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btnAppMenu *gtk.MenuButton
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dialog *gtk.MessageDialog
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signalDelete glib.SignalHandle
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lcache string
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shortcuts []appShortcuts
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userMap map[int32]string
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userIDs []int32
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groupMap map[int32]string
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groupIDs []int32
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userMapLock *sync.Mutex
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groupMapLock *sync.Mutex
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intcount uint
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ozProfiles []string
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}
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/*
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* App Setup
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*/
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func (fa *fwApp) init() {
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fa.Config = &sgfw.FirewallConfigs{}
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fa.repopMutex = &sync.Mutex{}
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fa.userMap = make(map[int32]string)
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fa.groupMap = make(map[int32]string)
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fa.userMapLock = &sync.Mutex{}
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fa.groupMapLock = &sync.Mutex{}
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fa.parseArgs()
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if err := fa.cacheUsers(); err != nil {
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panic(err)
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}
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if err := fa.cacheGroups(); err != nil {
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panic(err)
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}
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fa.initOZProfiles()
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fa.initGtk()
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fa.Settings = settings.Init()
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fa.Run(os.Args)
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}
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func (fa *fwApp) parseArgs() {
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fa.promptMode = promptModeEnabled
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for i := (len(os.Args) - 1); i > 0; i-- {
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k := strings.TrimLeft(os.Args[i], "-")
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found := false
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switch k {
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case "prompt-only":
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found = true
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fa.promptMode = promptModeOnly
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case "disable-prompt":
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found = true
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fa.promptMode = promptModeDisabled
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case "gapplication-force-menu":
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found = true
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fa.forceMenu = true
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}
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if found {
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os.Args = append(os.Args[:i], os.Args[(i+1):]...)
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}
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}
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}
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func (fa *fwApp) initGtk() {
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var appFlags glib.ApplicationFlags
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appFlags |= glib.APPLICATION_FLAGS_NONE
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appFlags |= glib.APPLICATION_CAN_OVERRIDE_APP_ID
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//appFlags |= glib.APPLICATION_IS_LAUNCHER
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//appFlags |= glib.APPLICATION_IS_SERVICE
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app, err := gtk.ApplicationNew("com.subgraph.Firewall.Settings", appFlags)//glib.APPLICATION_FLAGS_NONE)
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if err != nil {
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panic(fmt.Sprintf("gtk.ApplicationNew() failed: %v", err))
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}
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fa.Application = app
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fa.Connect("activate", fa.activate)
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fa.Connect("startup", fa.startup)
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}
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func (fa *fwApp) activate(app *gtk.Application) {
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win := fa.GetActiveWindow()
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if win != nil {
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win.Present()
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return
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}
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fa.build()
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fa.populateWindow()
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fa.registerActions()
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fa.registerShortcuts()
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fa.AddWindow(&fa.win.Window)
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fa.win.ShowAll()
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}
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func (fa *fwApp) startup() {
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dbus, err := newDbusObject()
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if err != nil {
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failDialog(&fa.win.Window, "Failed to connect to dbus system bus: %v", err)
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}
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fa.Dbus = dbus
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if fa.promptMode != promptModeDisabled {
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dbuss, _ := newPromptDbusServer()
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if fa.promptMode == promptModeOnly && dbuss == nil {
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fmt.Println("Prompter already available exiting...")
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os.Exit(0)
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}
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fa.DbusServer = dbuss
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if fa.DbusServer == nil {
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fa.promptMode = promptModeDisabled
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}
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}
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sigs := make(chan os.Signal)
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signal.Notify(sigs, syscall.SIGINT)
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go fa.handleSignals(sigs)
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go dbusSignalHandler(fa)
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}
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func (fa *fwApp) build() {
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fa.buildWindow()
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fa.buildAppMenu()
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}
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func (fa *fwApp) registerActions() {
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anr := glib.SimpleActionNew("new_rule", glib.VARIANT_TYPE_NONE)
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anr.Connect("activate", func () {
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fa.btnNewRule.Activate()
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})
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fa.ActionMap.AddAction(&anr.Action)
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snr := glib.SimpleActionNew("shortcuts", glib.VARIANT_TYPE_NONE)
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snr.Connect("activate", func () {
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fa.showShortcutsWindow()
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})
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fa.ActionMap.AddAction(&snr.Action)
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abnr := glib.SimpleActionNew("about", glib.VARIANT_TYPE_NONE)
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abnr.Connect("activate", func() {fa.showAboutDialog()})
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fa.ActionMap.AddAction(&abnr.Action)
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/*
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hbnr := glib.SimpleActionNew("help", glib.VARIANT_TYPE_NONE)
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hbnr.Connect("activate", func() {fmt.Println("UNIMPLEMENTED")})
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fa.ActionMap.AddAction(&hbnr.Action)
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*/
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qnr := glib.SimpleActionNew("quit", glib.VARIANT_TYPE_NONE)
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qnr.Connect("activate", func() {
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fa.win.Close()
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})
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fa.ActionMap.AddAction(&qnr.Action)
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}
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func (fa *fwApp) registerShortcuts() {
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fa.ConnectShortcut("<Primary><Alt>Page_Down", "rules", "Go to next rules views", fa.win.Window, func (win gtk.Window) {
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fa.switchRulesItem(switcherDirectionUp)
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})
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fa.ConnectShortcut("<Primary><Alt>Page_Up", "rules", "Go to previous rules views", fa.win.Window, func (win gtk.Window) {
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fa.switchRulesItem(switcherDirectionDown)
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})
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fa.ConnectShortcut("<Primary>n", "rules", "Create new rule", fa.win.Window, func (win gtk.Window) {
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if fa.btnNewRule.GetSensitive() {
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fa.btnNewRule.Emit("clicked")
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}
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})
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fa.ConnectShortcut("<Primary>f", "rules", "Search for rule", fa.win.Window, func (win gtk.Window) {
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if fa.tlStack.GetVisibleChildName() == "rules" {
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reveal := fa.revealerSearch.GetRevealChild()
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if !reveal {
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fa.btnSearch.SetActive(true)
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fa.revealerSearch.SetRevealChild(true)
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}
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fa.entrySearch.Widget.GrabFocus()
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}
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})
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fa.ConnectShortcut("<Primary><Shift>Page_Down", "general", "Go to the next view", fa.win.Window, func (win gtk.Window) {
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fa.switchStackItem(switcherDirectionDown)
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})
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fa.ConnectShortcut("<Primary><Shift>Page_Up", "general", "Go to the previous view", fa.win.Window, func (win gtk.Window) {
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fa.switchStackItem(switcherDirectionUp)
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})
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if fa.promptMode != promptModeDisabled {
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fa.RegisterShortcutHelp("<Primary><Alt>space", "general", "Answer first firewall prompt")
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}
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/*
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fa.ConnectShortcut("<Primary>question", "general", "Show the program help", fa.win.Window, func (win gtk.Window) {
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ha := fa.ActionMap.LookupAction("help")
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if ha != nil {
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ha.Activate(nil)
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}
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})
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*/
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fa.ConnectShortcut("F1", "general", "Show this help window", fa.win.Window, func (win gtk.Window) {
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fa.showShortcutsWindow()
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})
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fa.ConnectShortcut("<Primary>q", "general", "Exit program", fa.win.Window, func (win gtk.Window) {
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fa.win.Close()
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})
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// Easter Egg
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fa.ConnectShortcut("<Primary>F5", "", "", fa.win.Window, func (win gtk.Window) {
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fa.repopulateWindow()
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fa.loadConfig(false)
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})
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}
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func (fa *fwApp) buildWindow() {
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fa.winb = newBuilder("Dialog")
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fa.winb.getItems(
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"window", &fa.win,
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"swRulesPermanent", &fa.swRulesPermanent,
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"swRulesSession", &fa.swRulesSession,
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"swRulesProcess", &fa.swRulesProcess,
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"swRulesSystem", &fa.swRulesSystem,
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"btn_new_rule", &fa.btnNewRule,
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"rulesnotebook", &fa.nbRules,
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"toplevel_stack", &fa.tlStack,
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"config_grid", &fa.gridConfig,
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"stack_switcher", &fa.tlStackSwitcher,
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"prompt_scrollwindow", &fa.swPrompt,
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"search_entry", &fa.entrySearch,
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"btn_search", &fa.btnSearch,
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"search_revealer", &fa.revealerSearch,
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"box_app_menu", &fa.boxAppMenu,
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"btn_app_menu", &fa.btnAppMenu,
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)
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fa.win.SetIconName("security-medium")
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fa.win.SetTitle("Subgraph Firewall Settings")
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/*
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fa.winb.ConnectSignals(map[string]interface{} {
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"on_changed_search": fa.onChangedSearch,
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"on_stoped_search": fa.onStopedSearch,
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})
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*/
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//fa.swRulesPermanent.Connect("key-press-event", fa.onRulesKeyPress)
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fa.entrySearch.Connect("search-changed", fa.onChangedSearch)
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fa.entrySearch.Connect("stop-search", fa.onStopedSearch)
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fa.btnSearch.Connect("clicked", fa.onButtonSearchClicked)
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fa.btnNewRule.Connect("clicked", fa.showAddRuleDialog)
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fa.tlStackSwitcher.Connect("event", fa.onStackChanged)
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fa.win.Connect("configure-event", fa.onWindowConfigure)
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fa.signalDelete, _ = fa.win.Connect("delete-event", fa.onWindowDelete)
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fa.win.SetPosition(gtk.WIN_POS_CENTER)
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if fa.Settings.GetWindowHeight() > 0 && fa.Settings.GetWindowWidth() > 0 {
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fa.win.Resize(int(fa.Settings.GetWindowWidth()), int(fa.Settings.GetWindowHeight()))
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}
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if fa.Settings.GetWindowTop() > 0 && fa.Settings.GetWindowLeft() > 0 {
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fa.win.Move(int(fa.Settings.GetWindowLeft()), int(fa.Settings.GetWindowTop()))
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}
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fa.loadConfig(true)
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if fa.promptMode != promptModeDisabled {
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fa.tlStack.SetVisibleChildName("prompt")
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prompt, err := createPromptView(fa, fa.swPrompt)
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if err != nil {
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fmt.Println("Unable to create prompter:", err)
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os.Exit(1)
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}
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fa.prompt = prompt
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cbPromptAddRequest = fa.prompt.AddRequest
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cbPromptRemoveRequest = fa.prompt.RemoveRequest
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if fa.promptMode == promptModeOnly {
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fa.win.Iconify()
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}
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} else {
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fa.tlStack.SetVisibleChildName("rules")
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fa.swPrompt.Destroy()
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}
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}
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func (fa *fwApp) buildAppMenu() {
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ap := glib.MenuNew()
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ams := glib.MenuNew()
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ap.Append("_New Rule...", "app.new_rule")
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ams.Append("_Keyboard Shortcuts", "app.shortcuts")
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//ams.Append("_Help", "app.help")
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ams.Append("_About", "app.about")
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ams.Append("_Quit", "app.quit")
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ap.AppendSection("", &ams.MenuModel)
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if !fa.forceMenu {
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fa.SetAppMenu(&ap.MenuModel)
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}
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if fa.forceMenu || !fa.PrefersAppMenu() {
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fa.boxAppMenu.SetNoShowAll(false)
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fa.boxAppMenu.SetVisible(true)
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fa.btnAppMenu.SetMenuModel(&ap.MenuModel)
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}
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}
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/*
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* Windows
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*/
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func (fa *fwApp) showPromptQuit() bool {
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fa.win.SetUrgencyHint(true)
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fa.win.Deiconify()
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fa.win.SetKeepAbove(true)
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res := false
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body := "Currently running as the prompt, are you sure you want to exit?"
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msg := "The Firewall will stop working as expected!"
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fa.dialog = gtk.MessageDialogNewWithMarkup(
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fa.win,
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gtk.DIALOG_DESTROY_WITH_PARENT,
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gtk.MESSAGE_WARNING,
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gtk.BUTTONS_OK_CANCEL,
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"")
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fa.dialog.SetMarkup(body)
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fa.dialog.SetProperty("secondary-text", msg)
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if fa.dialog.Run() == (int)(gtk.RESPONSE_OK) {
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res = true
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} else {
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fa.intcount = 0
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fa.win.SetUrgencyHint(false)
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fa.win.SetKeepAbove(false)
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}
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fa.dialog.Destroy()
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return res
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}
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func (fa *fwApp) showAddRuleDialog() {
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rule := &sgfw.DbusRule{}
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rl := &ruleList{app: fa}
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rr := &ruleRow{ rl: rl, rule: rule}
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rnew := newRuleAdd(rr, DIALOG_MODE_NEW)
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rnew.update()
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rnew.run("", nil)
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}
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func (fa *fwApp) showAboutDialog() {
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url := "https://subgraph.com/sgos/"
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sfs := "Subgraph Firewall"
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t := time.Now()
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cs := fmt.Sprintf("%d Subgraph Inc", t.Year())
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license := "BSD3"
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lf := "/usr/share/common-licenses/BSD"
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if fa.lcache != "" {
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license = license + "\n\n" + fa.lcache
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} else {
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if _, err := os.Stat(lf); err == nil {
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bb, err := ioutil.ReadFile(lf)
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if err == nil {
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fa.lcache = string(bb)
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fa.lcache = strings.Replace(fa.lcache, "The Regents of the University of California", cs, -1)
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license = license + "\n\n" + fa.lcache
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}
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}
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}
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ad, _ := gtk.AboutDialogNew()
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ad.SetName(sfs)
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ad.SetProgramName(sfs)
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ad.SetAuthors([]string{"<a href=\""+url+"\">Subgraph Inc</a>"})
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//ad.AddCreditSection("", []string{"- Bruce Leidl", "- David Mirza", "- Stephen Watt", "- Matthieu Lalonde"})
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ad.SetVersion("0.1.0")
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ad.SetCopyright(fmt.Sprintf("© %s.", cs))
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ad.SetComments("An interface for the " + sfs)
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ad.SetWebsite(url)
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ad.SetWebsiteLabel(url)
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ad.SetLogoIconName("security-medium")
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ad.SetWrapLicense(true)
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ad.SetLicenseType(gtk.LICENSE_BSD)
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ad.SetLicense(license)
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ad.SetWrapLicense(true)
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ad.SetTransientFor(&fa.win.Window)
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ad.Run()
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ad.Destroy()
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}
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func (fa *fwApp) showShortcutsWindow() {
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var groups = []string{"general", "rules", "prompt"}
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var titles = map[string]string{
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"general": "General",
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"rules": "Rules",
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"prompt": "Firewall Prompt",
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}
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xv := new(GtkXMLInterface)
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xv.Comment = " interface-requires gtk+ 3.20 "
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xv.Requires = &GtkXMLRequires{Lib: "gtk+", Version: "3.20"}
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xsw := new(GtkXMLObject)
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xsw.Class = "GtkShortcutsWindow"
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xsw.ID = "shortcuts_window"
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xsw.Properties = []GtkXMLProperty{
|
|
{Name: "modal", Value: "1"},
|
|
{Name: "visible", Value: "1"},
|
|
}
|
|
xss := new(GtkXMLObject)
|
|
xss.Class = "GtkShortcutsSection"
|
|
xss.Properties = []GtkXMLProperty{
|
|
{Name: "visible", Value: "1"},
|
|
{Name: "section-name", Value: "shortcuts"},
|
|
{Name: "max-height", Value: "16"},
|
|
}
|
|
xsw.Children = append(xsw.Children, GtkXMLChild{Objects: []*GtkXMLObject{xss}})
|
|
|
|
for _, g := range groups {
|
|
xsg := new(GtkXMLObject)
|
|
xsg.Class = "GtkShortcutsGroup"
|
|
xsg.Properties = []GtkXMLProperty{
|
|
{Name: "title", Value: titles[g], Translatable: "yes"},
|
|
{Name: "visible", Value: "1"},
|
|
}
|
|
found := false
|
|
for _, sc := range fa.shortcuts {
|
|
if sc.Group != g {
|
|
continue
|
|
}
|
|
found = true
|
|
xps := new(GtkXMLObject)
|
|
xps.Class = "GtkShortcutsShortcut"
|
|
xps.Properties = []GtkXMLProperty{
|
|
{Name: "visible", Value: "yes"},
|
|
{Name: "accelerator", Value: sc.Accel},
|
|
{Name: "title", Translatable: "yes", Value: sc.Title},
|
|
}
|
|
xsg.Children = append(xsg.Children, GtkXMLChild{Objects: []*GtkXMLObject{xps}})
|
|
}
|
|
if found {
|
|
xss.Children = append(xss.Children, GtkXMLChild{Objects: []*GtkXMLObject{xsg}})
|
|
}
|
|
}
|
|
|
|
xv.Objects = append(xv.Objects, xsw)
|
|
var buf bytes.Buffer
|
|
writer := bufio.NewWriter(&buf)
|
|
enc := xml.NewEncoder(writer)
|
|
enc.Indent("", " ")
|
|
if err := enc.Encode(xv); err != nil {
|
|
fmt.Printf("XML ERROR: %+v\n", err)
|
|
} else {
|
|
//fmt.Println(xml.Header + buf.String())
|
|
var sw *gtk.ShortcutsWindow
|
|
b := newBuilderFromString(xml.Header + buf.String())
|
|
b.getItems(
|
|
"shortcuts_window", &sw,
|
|
)
|
|
sw.Window.SetTransientFor(&fa.win.Window)
|
|
sw.Window.SetPosition(gtk.WIN_POS_CENTER_ON_PARENT)
|
|
sw.Window.SetModal(true)
|
|
fa.AddWindow(&sw.Window)
|
|
//sw.ShowAll()
|
|
sw.Present()
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Private Utils
|
|
*/
|
|
|
|
func (fa *fwApp) populateWindow() {
|
|
tt, _ := fa.entrySearch.GetText()
|
|
if fa.boxPermanent == nil {
|
|
fa.boxPermanent, _ = gtk.ListBoxNew()
|
|
fa.swRulesPermanent.Add(fa.boxPermanent)
|
|
|
|
fa.rlPermanent = newRuleList(fa, fa.boxPermanent, sgfw.RULE_MODE_PERMANENT)
|
|
if _, err := fa.Dbus.isEnabled(); err != nil {
|
|
failDialog(&fa.win.Window, "Unable is connect to firewall daemon. Is it running?")
|
|
}
|
|
}
|
|
fa.rlPermanent.loadRules(true)
|
|
fa.rlPermanent.reloadRules(tt)
|
|
|
|
|
|
if fa.boxSession == nil {
|
|
fa.boxSession, _ = gtk.ListBoxNew()
|
|
fa.swRulesSession.Add(fa.boxSession)
|
|
|
|
fa.rlSession = newRuleList(fa, fa.boxSession, sgfw.RULE_MODE_SESSION)
|
|
if _, err := fa.Dbus.isEnabled(); err != nil {
|
|
failDialog(&fa.win.Window, "Unable is connect to firewall daemon. Is it running?")
|
|
}
|
|
}
|
|
fa.rlSession.loadRules(true)
|
|
fa.rlSession.reloadRules(tt)
|
|
|
|
|
|
if fa.boxProcess == nil {
|
|
fa.boxProcess, _ = gtk.ListBoxNew()
|
|
fa.swRulesProcess.Add(fa.boxProcess)
|
|
|
|
fa.rlProcess = newRuleList(fa, fa.boxProcess, sgfw.RULE_MODE_PROCESS)
|
|
if _, err := fa.Dbus.isEnabled(); err != nil {
|
|
failDialog(&fa.win.Window, "Unable is connect to firewall daemon. Is it running?")
|
|
}
|
|
}
|
|
fa.rlProcess.loadRules(true)
|
|
fa.rlProcess.reloadRules(tt)
|
|
|
|
if fa.boxSystem == nil {
|
|
fa.boxSystem, _ = gtk.ListBoxNew()
|
|
fa.swRulesSystem.Add(fa.boxSystem)
|
|
|
|
fa.rlSystem = newRuleList(fa, fa.boxSystem, sgfw.RULE_MODE_SYSTEM)
|
|
if _, err := fa.Dbus.isEnabled(); err != nil {
|
|
failDialog(&fa.win.Window, "Unable is connect to firewall daemon. Is it running?")
|
|
}
|
|
}
|
|
fa.rlSystem.loadRules(true)
|
|
fa.rlSystem.reloadRules(tt)
|
|
|
|
|
|
}
|
|
|
|
func (fa *fwApp) repopulateWindow() {
|
|
fmt.Println("Refreshing firewall rule list.")
|
|
fa.repopMutex.Lock()
|
|
defer fa.repopMutex.Unlock()
|
|
/*
|
|
child, err := fa.swRulesPermanent.GetChild()
|
|
if err != nil {
|
|
failDialog(&fa.win.Window, "Unable to clear out permanent rules list display: %v", err)
|
|
}
|
|
fa.swRulesPermanent.Remove(child)
|
|
|
|
child, err = fa.swRulesSession.GetChild()
|
|
if err != nil {
|
|
failDialog(&fa.win.Window, "Unable to clear out session rules list display: %v", err)
|
|
}
|
|
fa.swRulesSession.Remove(child)
|
|
|
|
child, err = fa.swRulesProcess.GetChild()
|
|
if err != nil {
|
|
failDialog(&fa.win.Window, "Unable to clear out process rules list display: %v", err)
|
|
}
|
|
fa.swRulesProcess.Remove(child)
|
|
|
|
child, err = fa.swRulesSystem.GetChild()
|
|
if err != nil {
|
|
failDialog(&fa.win.Window, "Unable to clear out system rules list display: %v", err)
|
|
}
|
|
fa.swRulesSystem.Remove(child)
|
|
*/
|
|
if fa.tlStack.GetVisibleChildName() != "rules" && fa.promptMode == promptModeDisabled {
|
|
stack := fa.tlStack.GetChildByName("rules")
|
|
err := fa.tlStack.ChildSetProperty(stack, "needs-attention", true)
|
|
if err != nil {
|
|
fmt.Println("Error setting stack attention")
|
|
}
|
|
}
|
|
|
|
fa.populateWindow()
|
|
fa.win.ShowAll()
|
|
}
|
|
|
|
func (fa *fwApp) switchRulesItem(dir switcherDirection) {
|
|
focus := (fa.nbRules.Container.GetFocusChild() != nil || fa.nbRules.HasFocus())
|
|
if focus {
|
|
return
|
|
}
|
|
if fa.tlStack.GetVisibleChildName() != "rules" {
|
|
return
|
|
}
|
|
if dir == switcherDirectionUp {
|
|
if fa.nbRules.GetNPages() == (fa.nbRules.GetCurrentPage() + 1) {
|
|
fa.nbRules.SetCurrentPage(0)
|
|
} else {
|
|
fa.nbRules.NextPage()
|
|
}
|
|
} else {
|
|
if fa.nbRules.GetCurrentPage() == 0 {
|
|
fa.nbRules.SetCurrentPage(fa.nbRules.GetNPages() - 1)
|
|
} else {
|
|
fa.nbRules.PrevPage()
|
|
}
|
|
}
|
|
}
|
|
|
|
func (fa *fwApp) switchStackItem(dir switcherDirection) {
|
|
stacks := []string{"prompt", "rules", "config"}
|
|
stacksByName := map[string]int{
|
|
"prompt": 0,
|
|
"rules": 1,
|
|
"config": 2,
|
|
}
|
|
if fa.promptMode == promptModeDisabled {
|
|
stacks = stacks[1:]
|
|
delete(stacksByName, "prompt")
|
|
stacksByName["rules"] = 0
|
|
stacksByName["config"] = 1
|
|
}
|
|
idx := stacksByName[fa.tlStack.GetVisibleChildName()]
|
|
if dir == switcherDirectionUp {
|
|
idx = idx - 1
|
|
if idx < 0 {
|
|
idx = len(stacks) - 1
|
|
}
|
|
fa.tlStack.SetVisibleChildFull(stacks[idx], gtk.STACK_TRANSITION_TYPE_SLIDE_LEFT_RIGHT)
|
|
} else {
|
|
idx = idx + 1
|
|
if idx >= len(stacks) {
|
|
idx = 0
|
|
}
|
|
fa.tlStack.SetVisibleChildFull(stacks[idx], gtk.STACK_TRANSITION_TYPE_SLIDE_LEFT_RIGHT)
|
|
}
|
|
fa.onStackChanged()
|
|
}
|
|
|
|
|
|
/*
|
|
* Handlers
|
|
*/
|
|
|
|
func (fa *fwApp) handleSignals(c <-chan os.Signal) {
|
|
for {
|
|
sig := <-c
|
|
switch sig {
|
|
case syscall.SIGINT:
|
|
if fa.intcount == 0 {
|
|
glib.IdleAdd(func () bool {
|
|
fa.win.Close()
|
|
return false
|
|
})
|
|
} else {
|
|
if fa.signalDelete != 0 {
|
|
fa.win.HandlerDisconnect(fa.signalDelete)
|
|
}
|
|
fa.win.Destroy()
|
|
}
|
|
fa.intcount++
|
|
}
|
|
}
|
|
}
|
|
|
|
func (fa *fwApp) handleRefreshRules() {
|
|
fa.repopulateWindow()
|
|
}
|
|
|
|
func (fa *fwApp) handleRefreshConfig() {
|
|
fa.loadConfig(false)
|
|
}
|
|
|
|
func (fa *fwApp) onWindowConfigure() {
|
|
w, h := fa.win.GetSize()
|
|
fa.Settings.SetWindowHeight(uint(h))
|
|
fa.Settings.SetWindowWidth(uint(w))
|
|
l, t := fa.win.GetPosition()
|
|
fa.Settings.SetWindowTop(uint(t))
|
|
fa.Settings.SetWindowLeft(uint(l))
|
|
}
|
|
|
|
func (fa *fwApp) onWindowDelete() bool {
|
|
if fa.promptMode != promptModeDisabled {
|
|
if !fa.showPromptQuit() {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (fa *fwApp) onStackChanged() {
|
|
tn := fa.tlStack.GetVisibleChildName()
|
|
nra := fa.ActionMap.LookupAction("new_rule")
|
|
if tn == "rules" {
|
|
fa.btnNewRule.SetSensitive(true)
|
|
nra.SetProperty("enabled", true)
|
|
stack := fa.tlStack.GetChildByName("rules")
|
|
err := fa.tlStack.ChildSetProperty(stack, "needs-attention", false)
|
|
if err != nil {
|
|
fmt.Println("Error unsetting stack attention")
|
|
}
|
|
} else if tn == "prompt" {
|
|
fa.btnNewRule.SetSensitive(true)
|
|
nra.SetProperty("enabled", true)
|
|
stack := fa.tlStack.GetChildByName("prompt")
|
|
err := fa.tlStack.ChildSetProperty(stack, "needs-attention", false)
|
|
if err != nil {
|
|
fmt.Println("Error unsetting stack attention")
|
|
}
|
|
} else {
|
|
fa.btnNewRule.SetSensitive(false)
|
|
nra.SetProperty("enabled", false)
|
|
}
|
|
|
|
if fa.prompt != nil && tn != "prompt"{
|
|
pstack := fa.tlStack.GetChildByName("prompt")
|
|
nag, _ := fa.tlStack.ChildGetProperty(pstack, "needs-attention", glib.TYPE_BOOLEAN)
|
|
if fa.prompt.HasItems() && !nag.(bool) {
|
|
err := fa.tlStack.ChildSetProperty(pstack, "needs-attention", true)
|
|
if err != nil {
|
|
fmt.Println("Error unsetting stack attention")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (fa *fwApp) onChangedSearch(entry *gtk.SearchEntry) {
|
|
fa.repopMutex.Lock()
|
|
defer fa.repopMutex.Unlock()
|
|
tt, _ := entry.Entry.GetText()
|
|
fa.rlPermanent.reloadRules(tt)
|
|
fa.rlSession.reloadRules(tt)
|
|
fa.rlProcess.reloadRules(tt)
|
|
fa.rlSystem.reloadRules(tt)
|
|
}
|
|
|
|
func (fa *fwApp) onStopedSearch() {
|
|
fa.entrySearch.Entry.SetText("")
|
|
fa.btnSearch.SetActive(false)
|
|
fa.revealerSearch.SetRevealChild(false)
|
|
}
|
|
|
|
func (fa *fwApp) onButtonSearchClicked() {
|
|
reveal := fa.revealerSearch.GetRevealChild()
|
|
if reveal {
|
|
fa.entrySearch.SetText("")
|
|
}
|
|
fa.btnSearch.SetActive(!reveal)
|
|
fa.revealerSearch.SetRevealChild(!reveal)
|
|
fa.entrySearch.Widget.GrabFocus()
|
|
}
|
|
|
|
func (fa *fwApp) onRulesKeyPress(i interface{}, e *gdk.Event) bool {
|
|
ek := gdk.EventKeyNewFromEvent(e)
|
|
reveal := fa.revealerSearch.GetRevealChild()
|
|
if !reveal {
|
|
fa.btnSearch.SetActive(true)
|
|
fa.revealerSearch.SetRevealChild(true)
|
|
}
|
|
fa.entrySearch.GrabFocusWithoutSelecting()
|
|
fa.entrySearch.SetText(string(ek.KeyVal()))
|
|
return true
|
|
}
|
|
|
|
|
|
/*
|
|
* Users, Groups
|
|
*/
|
|
|
|
func (fa *fwApp) cacheUsers() error {
|
|
f, err := os.Open(userFile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
fa.userMapLock.Lock()
|
|
defer fa.userMapLock.Unlock()
|
|
|
|
readColonFile(f, func (line []byte) {
|
|
t := strings.Split(string(line), ":")
|
|
id, _ := strconv.ParseInt(t[2], 10, 32)
|
|
fa.userMap[int32(id)] = t[0]
|
|
fa.userIDs = append(fa.userIDs, int32(id))
|
|
})
|
|
return nil
|
|
|
|
}
|
|
|
|
func (fa *fwApp) cacheGroups() error {
|
|
f, err := os.Open(groupFile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
fa.groupMapLock.Lock()
|
|
defer fa.groupMapLock.Unlock()
|
|
|
|
readColonFile(f, func (line []byte) {
|
|
t := strings.Split(string(line), ":")
|
|
id, _ := strconv.ParseInt(t[2], 10, 32)
|
|
fa.groupMap[int32(id)] = t[0]
|
|
fa.groupIDs = append(fa.groupIDs, int32(id))
|
|
})
|
|
return nil
|
|
}
|
|
|
|
|
|
/*
|
|
* Exported
|
|
*/
|
|
|
|
func (fa *fwApp) RegisterShortcutHelp(accel, group, title string) {
|
|
fa.shortcuts = append(fa.shortcuts, appShortcuts{Accel: accel, Group: group, Title: title})
|
|
}
|
|
|
|
func (fa *fwApp) ConnectShortcut(accel, group, title string, w gtk.Window, action func(gtk.Window)) {
|
|
if group != "" && title != "" {
|
|
fa.RegisterShortcutHelp(accel, group, title)
|
|
}
|
|
gr, _ := gtk.AccelGroupNew()
|
|
key, mod := gtk.AcceleratorParse(accel)
|
|
|
|
// Do not remove the closure here - there is a limitation
|
|
// in gtk that makes it necessary to have different functions for different accelerator groups
|
|
gr.Connect(key, mod, gtk.ACCEL_VISIBLE, func() {
|
|
action(w)
|
|
})
|
|
|
|
w.AddAccelGroup(gr)
|
|
w.Connect("delete-event", func () bool {
|
|
w.RemoveAccelGroup(gr)
|
|
return false
|
|
})
|
|
}
|
|
|
|
func (fa *fwApp) LookupUsername(uid int32) string {
|
|
if uid == -1 {
|
|
return "any"
|
|
}
|
|
fa.userMapLock.Lock()
|
|
defer fa.userMapLock.Unlock()
|
|
|
|
if val, ok := fa.userMap[uid]; ok {
|
|
return val
|
|
}
|
|
return "unknown"
|
|
}
|
|
|
|
func (fa *fwApp) LookupGroup(gid int32) string {
|
|
if gid == -1 {
|
|
return "any"
|
|
}
|
|
fa.groupMapLock.Lock()
|
|
defer fa.groupMapLock.Unlock()
|
|
|
|
if val, ok := fa.groupMap[gid]; ok {
|
|
return val
|
|
}
|
|
return "unknown"
|
|
}
|
|
|
|
|
|
/*
|
|
* Global Utils
|
|
*/
|
|
|
|
func failDialog(parent *gtk.Window, format string, args ...interface{}) {
|
|
d := gtk.MessageDialogNew(parent, 0, gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
|
|
format, args...)
|
|
d.Run()
|
|
os.Exit(1)
|
|
}
|
|
|
|
func warnDialog(parent *gtk.Window, format string, args ...interface{}) {
|
|
d := gtk.MessageDialogNew(parent, 0, gtk.MESSAGE_WARNING, gtk.BUTTONS_CLOSE,
|
|
format, args...)
|
|
d.Run()
|
|
d.Destroy()
|
|
}
|
|
|
|
// readColonFile parses r as an /etc/group or /etc/passwd style file, running
|
|
// fn for each row. readColonFile returns a value, an error, or (nil, nil) if
|
|
// the end of the file is reached without a match.
|
|
func readColonFile(r io.Reader, fn func(line []byte)) (v interface{}, err error) {
|
|
bs := bufio.NewScanner(r)
|
|
for bs.Scan() {
|
|
line := bs.Bytes()
|
|
// There's no spec for /etc/passwd or /etc/group, but we try to follow
|
|
// the same rules as the glibc parser, which allows comments and blank
|
|
// space at the beginning of a line.
|
|
line = bytes.TrimSpace(line)
|
|
if len(line) == 0 || line[0] == '#' {
|
|
continue
|
|
}
|
|
fn(line)
|
|
}
|
|
return nil, bs.Err()
|
|
}
|
|
|
|
|
|
/*
|
|
* Main
|
|
*/
|
|
|
|
func main() {
|
|
app := &fwApp{}
|
|
app.init()
|
|
}
|