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1## fcontextPage.py - show selinux mappings
2## Copyright (C) 2006 Red Hat, Inc.
3
4## This program is free software; you can redistribute it and/or modify
5## it under the terms of the GNU General Public License as published by
6## the Free Software Foundation; either version 2 of the License, or
7## (at your option) any later version.
8
9## This program is distributed in the hope that it will be useful,
10## but WITHOUT ANY WARRANTY; without even the implied warranty of
11## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12## GNU General Public License for more details.
13
14## You should have received a copy of the GNU General Public License
15## along with this program; if not, write to the Free Software
16## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18## Author: Dan Walsh
19import gtk
20import gtk.glade
21import os
22import gobject
23import seobject
24import commands
25from semanagePage import *
26
27SPEC_COL = 0
28TYPE_COL = 1
29FTYPE_COL = 2
30
31
32class context:
33
34    def __init__(self, scontext):
35        self.scontext = scontext
36        con = scontext.split(":")
37        self.type = con[0]
38        if len(con) > 1:
39            self.mls = con[1]
40        else:
41            self.mls = "s0"
42
43    def __str__(self):
44        return self.scontext
45
46##
47## I18N
48##
49PROGNAME = "policycoreutils"
50
51import gettext
52gettext.bindtextdomain(PROGNAME, "/usr/share/locale")
53gettext.textdomain(PROGNAME)
54try:
55    gettext.install(PROGNAME,
56                    localedir="/usr/share/locale",
57                    unicode=False,
58                    codeset='utf-8')
59except IOError:
60    import __builtin__
61    __builtin__.__dict__['_'] = unicode
62
63
64class fcontextPage(semanagePage):
65
66    def __init__(self, xml):
67        semanagePage.__init__(self, xml, "fcontext", _("File Labeling"))
68        self.fcontextFilter = xml.get_widget("fcontextFilterEntry")
69        self.fcontextFilter.connect("focus_out_event", self.filter_changed)
70        self.fcontextFilter.connect("activate", self.filter_changed)
71
72        self.store = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
73        self.view = xml.get_widget("fcontextView")
74        self.view.set_model(self.store)
75        self.view.set_search_equal_func(self.search)
76
77        col = gtk.TreeViewColumn(_("File\nSpecification"), gtk.CellRendererText(), text=SPEC_COL)
78        col.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
79        col.set_fixed_width(250)
80
81        col.set_sort_column_id(SPEC_COL)
82        col.set_resizable(True)
83        self.view.append_column(col)
84        col = gtk.TreeViewColumn(_("Selinux\nFile Type"), gtk.CellRendererText(), text=TYPE_COL)
85
86        col.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
87        col.set_fixed_width(250)
88        col.set_sort_column_id(TYPE_COL)
89        col.set_resizable(True)
90        self.view.append_column(col)
91        col = gtk.TreeViewColumn(_("File\nType"), gtk.CellRendererText(), text=2)
92        col.set_sort_column_id(FTYPE_COL)
93        col.set_resizable(True)
94        self.view.append_column(col)
95
96        self.store.set_sort_column_id(SPEC_COL, gtk.SORT_ASCENDING)
97        self.load()
98        self.fcontextEntry = xml.get_widget("fcontextEntry")
99        self.fcontextFileTypeCombo = xml.get_widget("fcontextFileTypeCombo")
100        liststore = self.fcontextFileTypeCombo.get_model()
101        for k in seobject.file_types:
102            if len(k) > 0 and k[0] != '-':
103                iter = liststore.append()
104                liststore.set_value(iter, 0, k)
105        iter = liststore.get_iter_first()
106        self.fcontextFileTypeCombo.set_active_iter(iter)
107        self.fcontextTypeEntry = xml.get_widget("fcontextTypeEntry")
108        self.fcontextMLSEntry = xml.get_widget("fcontextMLSEntry")
109
110    def match(self, fcon_dict, k, filter):
111        try:
112            f = filter.lower()
113            for con in k:
114                k = con.lower()
115                if k.find(f) >= 0:
116                    return True
117            for con in fcon_dict[k]:
118                k = con.lower()
119                if k.find(f) >= 0:
120                    return True
121        except:
122            pass
123        return False
124
125    def load(self, filter=""):
126        self.filter = filter
127        self.fcontext = seobject.fcontextRecords()
128        self.store.clear()
129        fcon_dict = self.fcontext.get_all(self.local)
130        keys = fcon_dict.keys()
131        keys.sort()
132        for k in keys:
133            if not self.match(fcon_dict, k, filter):
134                continue
135            iter = self.store.append()
136            self.store.set_value(iter, SPEC_COL, k[0])
137            self.store.set_value(iter, FTYPE_COL, k[1])
138            if fcon_dict[k]:
139                rec = "%s:%s" % (fcon_dict[k][2], seobject.translate(fcon_dict[k][3], False))
140            else:
141                rec = "<<None>>"
142            self.store.set_value(iter, TYPE_COL, rec)
143        self.view.get_selection().select_path((0,))
144
145    def filter_changed(self, *arg):
146        filter = arg[0].get_text()
147        if filter != self.filter:
148            self.load(filter)
149
150    def dialogInit(self):
151        store, iter = self.view.get_selection().get_selected()
152        self.fcontextEntry.set_text(store.get_value(iter, SPEC_COL))
153        self.fcontextEntry.set_sensitive(False)
154        scontext = store.get_value(iter, TYPE_COL)
155        scon = context(scontext)
156        self.fcontextTypeEntry.set_text(scon.type)
157        self.fcontextMLSEntry.set_text(scon.mls)
158        type = store.get_value(iter, FTYPE_COL)
159        liststore = self.fcontextFileTypeCombo.get_model()
160        iter = liststore.get_iter_first()
161        while iter != None and liststore.get_value(iter, 0) != type:
162            iter = liststore.iter_next(iter)
163        if iter != None:
164            self.fcontextFileTypeCombo.set_active_iter(iter)
165        self.fcontextFileTypeCombo.set_sensitive(False)
166
167    def dialogClear(self):
168        self.fcontextEntry.set_text("")
169        self.fcontextEntry.set_sensitive(True)
170        self.fcontextFileTypeCombo.set_sensitive(True)
171        self.fcontextTypeEntry.set_text("")
172        self.fcontextMLSEntry.set_text("s0")
173
174    def delete(self):
175        store, iter = self.view.get_selection().get_selected()
176        try:
177            fspec = store.get_value(iter, SPEC_COL)
178            ftype = store.get_value(iter, FTYPE_COL)
179            self.wait()
180            (rc, out) = commands.getstatusoutput("semanage fcontext -d -f '%s' '%s'" % (ftype, fspec))
181            self.ready()
182
183            if rc != 0:
184                return self.error(out)
185            store.remove(iter)
186            self.view.get_selection().select_path((0,))
187        except ValueError, e:
188            self.error(e.args[0])
189
190    def add(self):
191        ftype = ["", "--", "-d", "-c", "-b", "-s", "-l", "-p"]
192        fspec = self.fcontextEntry.get_text().strip()
193        type = self.fcontextTypeEntry.get_text().strip()
194        mls = self.fcontextMLSEntry.get_text().strip()
195        list_model = self.fcontextFileTypeCombo.get_model()
196        active = self.fcontextFileTypeCombo.get_active()
197        self.wait()
198        (rc, out) = commands.getstatusoutput("semanage fcontext -a -t %s -r %s -f '%s' '%s'" % (type, mls, ftype[active], fspec))
199        self.ready()
200        if rc != 0:
201            self.error(out)
202            return False
203
204        iter = self.store.append()
205        self.store.set_value(iter, SPEC_COL, fspec)
206        self.store.set_value(iter, FTYPE_COL, ftype)
207        self.store.set_value(iter, TYPE_COL, "%s:%s" % (type, mls))
208
209    def modify(self):
210        fspec = self.fcontextEntry.get_text().strip()
211        type = self.fcontextTypeEntry.get_text().strip()
212        mls = self.fcontextMLSEntry.get_text().strip()
213        list_model = self.fcontextFileTypeCombo.get_model()
214        iter = self.fcontextFileTypeCombo.get_active_iter()
215        ftype = list_model.get_value(iter, 0)
216        self.wait()
217        (rc, out) = commands.getstatusoutput("semanage fcontext -m -t %s -r %s -f '%s' '%s'" % (type, mls, ftype, fspec))
218        self.ready()
219        if rc != 0:
220            self.error(out)
221            return False
222
223        store, iter = self.view.get_selection().get_selected()
224        self.store.set_value(iter, SPEC_COL, fspec)
225        self.store.set_value(iter, FTYPE_COL, ftype)
226        self.store.set_value(iter, TYPE_COL, "%s:%s" % (type, mls))
227