| 1 | #!/usr/bin/env python |
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| 2 | # -*- coding: utf-8 -*- |
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| 3 | # Copyright (C) 2008 Adriano Monteiro Marques |
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| 4 | # |
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| 5 | # Author: Francesco Piccinno <stack.box@gmail.com> |
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| 6 | # |
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| 7 | # This program is free software; you can redistribute it and/or modify |
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| 8 | # it under the terms of the GNU General Public License as published by |
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| 9 | # the Free Software Foundation; either version 2 of the License, or |
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| 10 | # (at your option) any later version. |
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| 11 | # |
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| 12 | # This program is distributed in the hope that it will be useful, |
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | # GNU General Public License for more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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| 19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 20 | |
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| 21 | """ |
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| 22 | A perspective to show and edit packets |
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| 23 | """ |
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| 24 | |
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| 25 | import gtk |
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| 26 | |
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| 27 | from PM import Backend |
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| 28 | from PM.Core.I18N import _ |
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| 29 | from PM.Manager.PreferenceManager import Prefs |
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| 30 | |
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| 31 | from PM.Gui.Core.App import PMApp |
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| 32 | from PM.Gui.Core.Icons import get_pixbuf |
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| 33 | from PM.Gui.Widgets.HexView import HexView |
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| 34 | from PM.Gui.Widgets.Plotter import Plotter |
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| 35 | from PM.Gui.Tabs.OperationsTab import SendOperation, SendReceiveOperation |
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| 36 | |
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| 37 | class ProtocolHierarchy(gtk.ScrolledWindow): |
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| 38 | def __init__(self, parent): |
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| 39 | gtk.ScrolledWindow.__init__(self) |
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| 40 | |
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| 41 | self.__create_widgets() |
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| 42 | self.__pack_widgets() |
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| 43 | self.__connect_signals() |
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| 44 | |
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| 45 | self.session = parent |
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| 46 | self.proto_icon = get_pixbuf('protocol_small') |
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| 47 | |
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| 48 | self.reload() |
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| 49 | |
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| 50 | def reload(self): |
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| 51 | self.store.clear() |
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| 52 | |
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| 53 | if not self.session.packet: |
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| 54 | return |
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| 55 | |
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| 56 | root = None |
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| 57 | |
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| 58 | # We pray to be ordered :( |
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| 59 | for proto in Backend.get_packet_protos(self.session.packet): |
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| 60 | root = self.store.append(root, [self.proto_icon, Backend.get_proto_name(proto), proto]) |
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| 61 | |
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| 62 | self.tree.expand_all() |
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| 63 | self.tree.get_selection().select_path((0, )) |
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| 64 | |
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| 65 | def __create_widgets(self): |
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| 66 | # Icon / string (like TCP packet with some info?) / hidden |
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| 67 | self.store = gtk.TreeStore(gtk.gdk.Pixbuf, str, object) |
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| 68 | self.tree = gtk.TreeView(self.store) |
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| 69 | |
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| 70 | pix = gtk.CellRendererPixbuf() |
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| 71 | txt = gtk.CellRendererText() |
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| 72 | |
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| 73 | col = gtk.TreeViewColumn(_('Protocol')) |
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| 74 | |
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| 75 | col.pack_start(pix, False) |
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| 76 | col.pack_start(txt, True) |
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| 77 | |
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| 78 | col.set_attributes(pix, pixbuf=0) |
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| 79 | col.set_attributes(txt, text=1) |
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| 80 | |
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| 81 | self.tree.append_column(col) |
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| 82 | |
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| 83 | self.tree.set_grid_lines(gtk.TREE_VIEW_GRID_LINES_BOTH) |
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| 84 | self.tree.set_rules_hint(True) |
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| 85 | |
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| 86 | def __pack_widgets(self): |
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| 87 | self.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC) |
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| 88 | self.set_shadow_type(gtk.SHADOW_ETCHED_IN) |
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| 89 | |
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| 90 | self.add(self.tree) |
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| 91 | |
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| 92 | def __connect_signals(self): |
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| 93 | self.tree.enable_model_drag_dest([('text/plain', 0, 0)], gtk.gdk.ACTION_COPY) |
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| 94 | self.tree.connect('drag-data-received', self.__on_drag_data) |
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| 95 | |
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| 96 | def __on_drag_data(self, widget, ctx, x, y, data, info, time): |
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| 97 | if not self.session.packet: |
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| 98 | ctx.finish(False, False, time) |
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| 99 | |
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| 100 | if data and data.format == 8: |
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| 101 | ret = self.tree.get_dest_row_at_pos(x, y) |
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| 102 | |
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| 103 | try: |
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| 104 | # Try to construct an empty packet |
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| 105 | packet = Backend.get_proto(data.data)() |
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| 106 | packet = Backend.MetaPacket(packet) |
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| 107 | except Exception: |
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| 108 | ctx.finish(False, False, time) |
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| 109 | return |
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| 110 | |
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| 111 | # We append as default |
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| 112 | where = -1 |
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| 113 | |
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| 114 | if ret: |
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| 115 | path, pos = ret |
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| 116 | where = len(path) # because it's a treeview with only one child for row |
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| 117 | |
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| 118 | if pos == gtk.TREE_VIEW_DROP_BEFORE or \ |
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| 119 | pos == gtk.TREE_VIEW_DROP_INTO_OR_BEFORE: |
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| 120 | where -= 1 |
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| 121 | |
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| 122 | # Now try to insert this stuff into the packet |
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| 123 | |
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| 124 | if self.session.packet.insert(packet, where): |
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| 125 | ctx.finish(True, False, time) |
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| 126 | |
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| 127 | self.session.reload_container(self.session.packet) |
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| 128 | self.session.reload_editor() |
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| 129 | |
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| 130 | else: |
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| 131 | ctx.finish(False, False, time) |
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| 132 | |
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| 133 | else: |
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| 134 | ctx.finish(False, False, time) |
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| 135 | |
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| 136 | def get_active_protocol(self): |
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| 137 | """ |
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| 138 | Return the selected protocol or the most |
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| 139 | important protocol if no selection. |
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| 140 | |
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| 141 | @return a tuple Packet, Protocol or None, None |
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| 142 | """ |
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| 143 | |
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| 144 | model, iter = self.tree.get_selection().get_selected() |
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| 145 | |
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| 146 | if not iter: |
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| 147 | return None, None |
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| 148 | |
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| 149 | obj = model.get_value(iter, 2) |
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| 150 | |
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| 151 | assert (Backend.is_proto(obj), "Should be a Protocol instance.") |
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| 152 | |
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| 153 | return self.session.packet, obj |
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| 154 | |
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| 155 | |
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| 156 | class PacketPage(gtk.HBox): |
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| 157 | def __init__(self, parent): |
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| 158 | super(PacketPage, self).__init__(False, 4) |
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| 159 | |
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| 160 | self.session = parent |
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| 161 | |
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| 162 | # Create the toolbar for sending selected packet |
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| 163 | self.toolbar = gtk.Toolbar() |
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| 164 | self.toolbar.set_style(gtk.TOOLBAR_ICONS) |
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| 165 | self.toolbar.set_orientation(gtk.ORIENTATION_VERTICAL) |
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| 166 | |
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| 167 | stocks = ( |
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| 168 | gtk.STOCK_EDIT, |
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| 169 | gtk.STOCK_DELETE, |
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| 170 | gtk.STOCK_CLEAR, |
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| 171 | gtk.STOCK_SELECT_COLOR |
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| 172 | ) |
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| 173 | |
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| 174 | tooltips = ( |
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| 175 | _('Complete layers'), |
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| 176 | _('Remove selected layer'), |
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| 177 | _('Reset layer to default'), |
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| 178 | _('Graph packet') |
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| 179 | ) |
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| 180 | |
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| 181 | callbacks = ( |
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| 182 | self.__on_complete, |
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| 183 | self.__on_remove, |
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| 184 | self.__on_reset, |
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| 185 | self.__on_graph |
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| 186 | ) |
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| 187 | |
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| 188 | for tooltip, stock, callback in zip(tooltips, stocks, callbacks): |
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| 189 | action = gtk.Action(None, None, tooltip, stock) |
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| 190 | action.connect('activate', callback) |
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| 191 | self.toolbar.insert(action.create_tool_item(), -1) |
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| 192 | |
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| 193 | |
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| 194 | self.proto_hierarchy = ProtocolHierarchy(self.session) |
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| 195 | self.hexview = HexView() |
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| 196 | |
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| 197 | self.pack_start(self.proto_hierarchy) |
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| 198 | self.pack_start(self.toolbar, False, False) |
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| 199 | self.pack_start(self.hexview, False, False) |
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| 200 | |
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| 201 | Prefs()['gui.maintab.hexview.font'].connect(self.hexview.modify_font) |
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| 202 | Prefs()['gui.maintab.hexview.bpl'].connect(self.hexview.set_bpl) |
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| 203 | |
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| 204 | def redraw_hexview(self): |
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| 205 | """ |
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| 206 | Redraws the hexview |
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| 207 | """ |
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| 208 | if self.session.packet: |
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| 209 | self.hexview.payload = Backend.get_packet_raw(self.session.packet) |
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| 210 | else: |
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| 211 | self.hexview.payload = "" |
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| 212 | |
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| 213 | def reload(self): |
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| 214 | # Hide the toolbar while merging fields |
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| 215 | |
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| 216 | # FIXME: cyclic |
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| 217 | #if isinstance(self.session, SequenceSession) and \ |
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| 218 | if getattr(self.session, 'sequence_page', None) and \ |
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| 219 | self.session.sequence_page.merging: |
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| 220 | self.toolbar.hide() |
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| 221 | self.proto_hierarchy.hide() |
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| 222 | else: |
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| 223 | self.toolbar.show() |
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| 224 | self.proto_hierarchy.show() |
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| 225 | |
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| 226 | self.redraw_hexview() |
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| 227 | self.proto_hierarchy.reload() |
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| 228 | |
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| 229 | def __on_remove(self, action): |
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| 230 | packet, protocol = self.proto_hierarchy.get_active_protocol() |
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| 231 | |
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| 232 | if not packet: |
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| 233 | return |
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| 234 | |
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| 235 | if packet.remove(protocol): |
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| 236 | self.session.reload_container(packet) |
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| 237 | self.reload() |
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| 238 | |
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| 239 | def __on_reset(self, action): |
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| 240 | packet, protocol = self.proto_hierarchy.get_active_protocol() |
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| 241 | |
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| 242 | if not packet: |
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| 243 | return |
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| 244 | |
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| 245 | if packet.reset(protocol): |
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| 246 | self.session.reload_container(packet) |
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| 247 | self.reload() |
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| 248 | |
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| 249 | def __on_complete(self, action): |
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| 250 | packet, protocol = self.proto_hierarchy.get_active_protocol() |
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| 251 | |
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| 252 | if not packet: |
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| 253 | return |
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| 254 | |
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| 255 | if packet.complete(): |
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| 256 | self.session.reload_container(packet) |
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| 257 | self.reload() |
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| 258 | |
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| 259 | def __on_graph(self, action): |
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| 260 | if not self.session.packet: |
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| 261 | return |
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| 262 | |
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| 263 | dialog = gtk.Dialog( |
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| 264 | _('Graph for %s') % self.session.packet.get_protocol_str(), |
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| 265 | self.get_toplevel(), 0, (gtk.STOCK_CLOSE, gtk.RESPONSE_REJECT, |
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| 266 | gtk.STOCK_SAVE, gtk.RESPONSE_ACCEPT)) |
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| 267 | |
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| 268 | dialog.plotter = Plotter(self.session.packet) |
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| 269 | dialog.vbox.pack_start(dialog.plotter) |
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| 270 | dialog.show_all() |
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| 271 | |
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| 272 | dialog.connect('response', self.__on_graph_response) |
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| 273 | |
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| 274 | def __on_graph_response(self, dialog, id): |
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| 275 | if id == gtk.RESPONSE_REJECT: |
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| 276 | dialog.hide() |
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| 277 | dialog.destroy() |
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| 278 | elif id == gtk.RESPONSE_ACCEPT: |
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| 279 | chooser = gtk.FileChooserDialog(_('Save graph to'), dialog, |
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| 280 | gtk.FILE_CHOOSER_ACTION_SAVE, |
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| 281 | (gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT, |
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| 282 | gtk.STOCK_SAVE, gtk.RESPONSE_ACCEPT)) |
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| 283 | |
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| 284 | if chooser.run() == gtk.RESPONSE_ACCEPT: |
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| 285 | fname = chooser.get_filename() |
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| 286 | dialog.plotter.export_to(fname) |
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| 287 | |
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| 288 | chooser.hide() |
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| 289 | chooser.destroy() |
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