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//usr/share/system-config-selinux/loginsPage.py

## loginsPage.py - show selinux mappings
## Copyright (C) 2006 Red Hat, Inc.

## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.

## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.

## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

## Author: Dan Walsh
import string
import gtk
import gtk.glade
import os
import gobject
import sys
import commands
import seobject
from semanagePage import *;

##
## I18N
## 
PROGNAME="policycoreutils"
import gettext
gettext.bindtextdomain(PROGNAME, "/usr/share/locale")
gettext.textdomain(PROGNAME)
try:
    gettext.install(PROGNAME,
                    localedir="/usr/share/locale",
                    unicode=False,
                    codeset = 'utf-8')
except IOError:
    import __builtin__
    __builtin__.__dict__['_'] = unicode

class loginsPage(semanagePage):
    def __init__(self, xml):
        self.firstTime = False
        semanagePage.__init__(self, xml, "logins", _("User Mapping"))
        self.store = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
        self.view.set_model(self.store)
        self.store.set_sort_column_id(0, gtk.SORT_ASCENDING)        
        col = gtk.TreeViewColumn(_("Login\nName"), gtk.CellRendererText(), text = 0)
        col.set_sort_column_id(0)
        col.set_resizable(True)
        self.view.append_column(col)
        col = gtk.TreeViewColumn(_("SELinux\nUser"), gtk.CellRendererText(), text = 1)
        col.set_resizable(True)
        self.view.append_column(col)
        col = gtk.TreeViewColumn(_("MLS/\nMCS Range"), gtk.CellRendererText(), text = 2)
        col.set_resizable(True)
        self.view.append_column(col)
        self.load()
        self.loginsNameEntry = xml.get_widget("loginsNameEntry")
        self.loginsSelinuxUserCombo = xml.get_widget("loginsSelinuxUserCombo")
        self.loginsMLSEntry = xml.get_widget("loginsMLSEntry")
        
    def load(self, filter = ""):
        self.filter=filter            
        self.login = seobject.loginRecords()
        dict = self.login.get_all(0)
        keys = dict.keys()
        keys.sort()
        self.store.clear()
        for k in keys:
            range = seobject.translate(dict[k][1])
            if not (self.match(k, filter) or self.match(dict[k][0], filter) or self.match(range, filter)):
                continue
            iter = self.store.append()
            self.store.set_value(iter, 0, k)
            self.store.set_value(iter, 1, dict[k][0])
            self.store.set_value(iter, 2, range)
        self.view.get_selection().select_path ((0,))

def __dialogSetup(self):
        if self.firstTime == True:
            return
        self.firstTime = True
        liststore = gtk.ListStore(gobject.TYPE_STRING)
        self.loginsSelinuxUserCombo.set_model(liststore)
        cell = gtk.CellRendererText()
        self.loginsSelinuxUserCombo.pack_start(cell, True)
        self.loginsSelinuxUserCombo.add_attribute(cell, 'text', 0)
        
        selusers = seobject.seluserRecords().get_all(0)
        keys = selusers.keys()
        keys.sort()
        for k in keys:
            if k != "system_u":
                self.loginsSelinuxUserCombo.append_text(k)

iter = liststore.get_iter_first()
        while liststore.get_value(iter,0) != "user_u":
            iter = liststore.iter_next(iter)
        self.loginsSelinuxUserCombo.set_active_iter(iter)
        
    def dialogInit(self):
        self.__dialogSetup()
        store, iter = self.view.get_selection().get_selected()
        self.loginsNameEntry.set_text(store.get_value(iter, 0))
        self.loginsNameEntry.set_sensitive(False)
        
        self.loginsMLSEntry.set_text(store.get_value(iter, 2))
        seuser = store.get_value(iter, 1)
        liststore = self.loginsSelinuxUserCombo.get_model()
        iter = liststore.get_iter_first()
        while iter != None and liststore.get_value(iter,0) != seuser:
            iter = liststore.iter_next(iter)
        if iter != None:
            self.loginsSelinuxUserCombo.set_active_iter(iter)
        
        
    def dialogClear(self):
        self.__dialogSetup()
        self.loginsNameEntry.set_text("")
        self.loginsNameEntry.set_sensitive(True)
        self.loginsMLSEntry.set_text("s0")
        
    def delete(self):
        store, iter = self.view.get_selection().get_selected()
        try:
            login=store.get_value(iter, 0)
            if login == "root" or login == "__default__":
                raise ValueError(_("Login '%s' is required") % login)
                
            self.wait()
            (rc, out) = commands.getstatusoutput("semanage login -d %s" % login)
            self.ready()
            if rc != 0:
                self.error(out)
                return False
            store.remove(iter)
            self.view.get_selection().select_path ((0,))
        except ValueError, e:
            self.error(e.args[0])

def add(self):
        target=self.loginsNameEntry.get_text().strip()
        serange=self.loginsMLSEntry.get_text().strip()
        if serange == "":
            serange="s0"
        list_model=self.loginsSelinuxUserCombo.get_model()
        iter = self.loginsSelinuxUserCombo.get_active_iter()
        seuser = list_model.get_value(iter,0)
        self.wait()
        (rc, out) = commands.getstatusoutput("semanage login -a -s %s -r %s %s" % (seuser, serange, target))
        self.ready()
        if rc != 0:
            self.error(out)
            return False
        
        iter = self.store.append()
        self.store.set_value(iter, 0, target)
        self.store.set_value(iter, 1, seuser)
        self.store.set_value(iter, 2, seobject.translate(serange))
        
    def modify(self):
        target=self.loginsNameEntry.get_text().strip()
        serange=self.loginsMLSEntry.get_text().strip()
        if serange == "":
            serange = "s0"
        list_model = self.loginsSelinuxUserCombo.get_model()
        iter = self.loginsSelinuxUserCombo.get_active_iter()
        seuser=list_model.get_value(iter,0)
        self.wait()
        (rc, out) = commands.getstatusoutput("semanage login -m -s %s -r %s %s" % (seuser, serange, target))
        self.ready()
        if rc != 0:
            self.error(out)
            return False
        
        store, iter = self.view.get_selection().get_selected()
        self.store.set_value(iter, 0, target)
        self.store.set_value(iter, 1, seuser)
        self.store.set_value(iter, 2, seobject.translate(serange))