Add a text-mode network configurator dialog so default installs can work.

1 files changed, 272 insertions, 0 deletions

diff --git a/textw/netconfig_text.py b/textw/netconfig_text.py
new file mode 100644
index 000000000..9a4df3a7d
--- /dev/null
+++ b/textw/netconfig_text.py
@@ -0,0 +1,272 @@
+#
+# netconfig_text.py: Configure a network interface now.
+#
+# Copyright (C) 2008  Red Hat, Inc.
+# All rights reserved.
+#
+# 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, see <http://www.gnu.org/licenses/>.
+#
+# Author(s): Chris Lumens <clumens@redhat.com>
+#            David Cantrell <dcantrell@redhat.com>
+#
+
+
+import isys
+import network
+from snack import *
+from constants_text import *
+
+import gettext
+_ = lambda x: gettext.ldgettext("anaconda", x)
+
+class NetworkConfiguratorText:
+    def _handleIPError(self, field, errmsg):
+        self.anaconda.intf.messageWindow(_("Error With Data"),
+                                         _("An error occurred converting the "
+                                           "value entered for \"%s\":\n%s") % (field, errmsg))
+
+    def _handleIPMissing(self, field):
+        self.anaconda.intf.messageWindow(_("Error With Data"),
+                                         _("A value is required for the field %s") % field)
+
+    def _dhcpToggled(self, *args):
+        if self.dhcpCheckbox.selected():
+            self.ipv4Address.setFlags(FLAG_DISABLED, FLAGS_SET)
+            self.ipv4Netmask.setFlags(FLAG_DISABLED, FLAGS_SET)
+            self.ipv6Address.setFlags(FLAG_DISABLED, FLAGS_SET)
+            self.ipv6Netmask.setFlags(FLAG_DISABLED, FLAGS_SET)
+            self.gatewayEntry.setFlags(FLAG_DISABLED, FLAGS_SET)
+            self.nameserverEntry.setFlags(FLAG_DISABLED, FLAGS_SET)
+        else:
+            self.ipv4Address.setFlags(FLAG_DISABLED, int(self.ipv4Checkbox.selected()))
+            self.ipv4Netmask.setFlags(FLAG_DISABLED, int(self.ipv4Checkbox.selected()))
+            self.ipv6Address.setFlags(FLAG_DISABLED, int(self.ipv6Checkbox.selected()))
+            self.ipv6Netmask.setFlags(FLAG_DISABLED, int(self.ipv6Checkbox.selected()))
+            self.gatewayEntry.setFlags(FLAG_DISABLED, FLAGS_RESET)
+            self.nameserverEntry.setFlags(FLAG_DISABLED, FLAGS_RESET)
+
+    def _ipv4Toggled(self, *args):
+        if self.dhcpCheckbox.selected():
+            return
+
+        flag = FLAGS_RESET
+        if not self.ipv4Checkbox.selected():
+            flag = FLAGS_SET
+
+        self.ipv4Address.setFlags(FLAG_DISABLED, flag)
+        self.ipv4Netmask.setFlags(FLAG_DISABLED, flag)
+
+    def _ipv6Toggled(self, *args):
+        if self.dhcpCheckbox.selected():
+            return
+
+        flag = FLAGS_RESET
+        if not self.ipv6Checkbox.selected():
+            flag = FLAGS_SET
+
+        self.ipv6Address.setFlags(FLAG_DISABLED, flag)
+        self.ipv6Netmask.setFlags(FLAG_DISABLED, flag)
+
+    def __init__(self, screen, anaconda):
+        self.screen = screen
+        self.anaconda = anaconda
+
+    def run(self):
+        grid = GridFormHelp(self.screen, _("Enable network interface"), "netconfig",
+                            1, 9)
+
+        tb = TextboxReflowed(60, _("This requires that you have an active "
+                                   "network connection during the installation "
+                                   "process.  Please configure a network "
+                                   "interface."))
+        grid.add(tb, 0, 0, anchorLeft = 1, padding = (0, 0, 0, 1))
+
+        self.interfaceList = CheckboxTree(height=3, scroll=1)
+
+        netdevs = self.anaconda.id.network.available()
+        devs = netdevs.keys()
+        devs.sort()
+        for dev in devs:
+            desc = netdevs[dev].get("desc")
+            if desc:
+                desc = "%s - %s" % (dev, desc)
+            else:
+                desc = dev
+
+            self.interfaceList.append(desc)
+
+        grid.add(self.interfaceList, 0, 1, padding = (0, 0, 0, 1))
+
+        self.dhcpCheckbox = Checkbox(_("Use dynamic IP configuration (DHCP)"))
+        grid.add(self.dhcpCheckbox, 0, 2, anchorLeft = 1)
+
+        self.ipv4Checkbox = Checkbox(_("Enable IPv4 support"), 1)
+        grid.add(self.ipv4Checkbox, 0, 3, anchorLeft = 1)
+
+        self.ipv6Checkbox = Checkbox(_("Enable IPv6 support"), 0)
+        grid.add(self.ipv6Checkbox, 0, 4, anchorLeft = 1, padding = (0, 0, 0, 1))
+
+        ipv4Grid = Grid(4, 1)
+        ipv4Grid.setField(Label(_("IPv4 Address:")), 0, 0, padding = (0, 0, 1, 0))
+        self.ipv4Address = Entry(20, scroll=1)
+        ipv4Grid.setField(self.ipv4Address, 1, 0)
+        ipv4Grid.setField(Label("/"), 2, 0)
+        self.ipv4Netmask = Entry(20, scroll=0)
+        ipv4Grid.setField(self.ipv4Netmask, 3, 0)
+
+        grid.add(ipv4Grid, 0, 5, anchorLeft = 1)
+
+        ipv6Grid = Grid(4, 1)
+        ipv6Grid.setField(Label(_("IPv6 Address:")), 0, 0, padding = (0, 0, 1, 0))
+        self.ipv6Address = Entry(20, scroll=1)
+        ipv6Grid.setField(self.ipv6Address, 1, 0)
+        ipv6Grid.setField(Label("/"), 2, 0)
+        self.ipv6Netmask = Entry(20, scroll=0)
+        ipv6Grid.setField(self.ipv6Netmask, 3, 0)
+
+        grid.add(ipv6Grid, 0, 6, anchorLeft = 1)
+
+        extraGrid = Grid(4, 1)
+        extraGrid.setField(Label(_("Gateway:")), 0, 0, padding = (0, 0, 1, 0))
+        self.gatewayEntry = Entry(20, scroll=1)
+        extraGrid.setField(self.gatewayEntry, 1, 0, padding = (0, 0, 2, 0))
+        extraGrid.setField(Label(_("Nameserver:")), 2, 0, padding = (0, 0, 1, 0))
+        self.nameserverEntry = Entry(20, scroll=1)
+        extraGrid.setField(self.nameserverEntry, 3, 0)
+
+        grid.add(extraGrid, 0, 7, anchorLeft = 1)
+
+        buttons = ButtonBar(self.screen, [TEXT_OK_BUTTON, TEXT_BACK_BUTTON] )
+        grid.add(buttons, 0, 8, anchorLeft = 1, growx = 1)
+
+        self.dhcpCheckbox.setCallback(self._dhcpToggled)
+        self.ipv4Checkbox.setCallback(self._ipv4Toggled)
+        self.ipv6Checkbox.setCallback(self._ipv6Toggled)
+
+        # Call these functions to set initial UI state.
+        self._ipv4Toggled()
+        self._ipv6Toggled()
+
+        while True:
+            result = grid.run()
+
+            if result == TEXT_BACK_BUTTON:
+                break
+
+            cur = self.interfaceList.getCurrent()
+            if cur:
+                cur = cur.split()[0]
+            else:
+                self.anaconda.intf.messageWindow(_("Missing Device"),
+                                                 _("You must select a network device"))
+                continue
+
+            netdev = self.anaconda.id.network.available()[cur]
+            netdev.set(("useipv4", True))
+
+            if self.dhcpCheckbox.selected():
+                netdev.set(("bootproto", "dhcp"))
+                w = self.anaconda.intf.waitWindow(_("Dynamic IP"),
+                        _("Sending request for IP information "
+                          "for %s...") % netdev.get("device"))
+                ns = isys.dhcpNetDevice(netdev)
+                w.pop()
+
+                if ns is None:
+                    break
+                else:
+                    f = open("/etc/resolv.conf", "w")
+                    f.write("nameserver %s=n" % ns)
+                    f.close()
+                    isys.resetResolv()
+            else:
+                ipv4addr = self.ipv4Address.value()
+                ipv4nm = self.ipv4Netmask.value()
+                gateway = self.gatewayEntry.value()
+                ns = self.nameserverEntry.value()
+
+                try:
+                    network.sanityCheckIPString(ipv4addr)
+                    netdev.set(("ipaddr", ipv4addr))
+                except network.IPMissing, msg:
+                    self._handleIPMissing(_("IP Address"))
+                    continue
+                except network.IPError, msg:
+                    self._handleIPError(_("IP Address"), msg)
+                    continue
+
+                if ipv4nm.find('.') == -1:
+                    # user provided a CIDR prefix
+                    try:
+                        if int(ipv4nm) > 32 or int(ipv4nm) < 0:
+                            msg = _("IPv4 CIDR prefix must be between 0 and 32.")
+                            self._handleIPError(_("IPv4 Network Mask"), msg)
+                            continue
+                        else:
+                            ipv4nm = isys.prefix2netmask(int(ipv4nm))
+                            netdev.set(("netmask", ipv4nm))
+                    except:
+                        self._handleIPMissing(_("IPv4 Network Mask"))
+                        continue
+                else:
+                    # user provided a dotted-quad netmask
+                    try:
+                        network.sanityCheckIPString(ipv4nm)
+                        netdev.set(("netmask", ipv4nm))
+                    except network.IPMissing, msg:
+                        self._handleIPMissing(_("IPv4 Network Mask"))
+                        continue
+                    except network.IPError, msg:
+                        self._handleIPError(_("IPv4 Network Mask "), msg)
+                        continue
+
+                try:
+                    if gateway:
+                        network.sanityCheckIPString(gateway)
+                except network.IPMissing, msg:
+                    self._handleIPMissing(_("Gateway"))
+                    continue
+                except network.IPError, msg:
+                    self._handleIPError(_("Gateway"), msg)
+                    continue
+
+                try:
+                    if ns:
+                        network.sanityCheckIPString(ns)
+                except network.IPError, msg:
+                    self._handleIPError(_("Nameserver"), msg)
+                    continue
+
+                try:
+                    isys.configNetDevice(netdev, gateway)
+                except Exception, e:
+                    import logging
+                    log = logging.getLogger("anaconda")
+                    log.error("Error configuring network device: %s" % e)
+                    self._handleIPError(_("Error configuring network device: "), e)
+                    self.screen.popWindow()
+                    return INSTALL_BACK
+
+                if ns:
+                    f = open("/etc/resolv.conf", "w")
+                    f.write("nameserver %s\n" % ns)
+                    f.close()
+                    isys.resetResolv()
+                    isys.setResolvRetry(1)
+                    break
+
+            break
+
+        self.screen.popWindow()
+        return INSTALL_OK