From 86393f41bc45f4e1f87771ad5bd4d510a0d30863 Mon Sep 17 00:00:00 2001
From: Eugeni Dodonov <eugeni@mandriva.org>
Date: Mon, 19 Jan 2009 23:50:42 +0000
Subject: - Added draknetadvanced to control advanced network parameters   such
 as IPv6 and TCP Window Scaling (#27070, #28829, #33623, #38662).

---
 Makefile               |  4 +--
 NEWS                   |  4 +++
 bin/draknetadvanced    | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++
 lib/network/network.pm | 13 +++++++++
 4 files changed, 96 insertions(+), 2 deletions(-)
 create mode 100755 bin/draknetadvanced

diff --git a/Makefile b/Makefile
index 416b6c3..73821e0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 NAME = drakx-net
-VERSION = 0.57
+VERSION = 0.58
 
 DESTDIR=
 libdir=/usr/lib
@@ -15,7 +15,7 @@ pamdir=/etc/pam.d
 consoleappsdir=/etc/security/console.apps
 
 BIN_TOOLS= net_applet
-SBIN_TOOLS=drakconnect drakfirewall drakgw drakhosts drakids drakinvictus draknetprofile draknfs drakproxy drakroam draksambashare drakvpn net_monitor draknetcenter
+SBIN_TOOLS=drakconnect drakfirewall drakgw drakhosts drakids drakinvictus draknetprofile draknfs drakproxy draknetadvanced drakroam draksambashare drakvpn net_monitor draknetcenter
 
 all:
 	(find lib -name '*.pm'; find bin -type f) | xargs perl -pi -e 's/\s*use\s+(diagnostics|vars|strict).*//g'
diff --git a/NEWS b/NEWS
index c95a46d..cf6ccc5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+0.58:
+- Added draknetadvanced to control advanced network parameters
+  such as IPv6 and TCP Window Scaling (#27070, #28829, #33623, #38662).
+
 0.57:
 - firewall:
   o fixed issue with drakfirewall not saving settings (#46256)
diff --git a/bin/draknetadvanced b/bin/draknetadvanced
new file mode 100755
index 0000000..9c88040
--- /dev/null
+++ b/bin/draknetadvanced
@@ -0,0 +1,77 @@
+#!/usr/bin/perl
+
+# DrakNetAdvanced
+
+# Copyright (C) 2009 Mandriva (eugeni@mandriva.com)
+#
+# 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+use lib qw(/usr/lib/libDrakX);
+
+# i18n: IMPORTANT: to get correct namespace (drakx-net instead of libDrakX)
+BEGIN { unshift @::textdomains, 'drakx-net' }
+use standalone;     #- warning, standalone must be loaded very first, for 'explanations'
+use interactive;
+use network::network;
+use any;
+use common;
+
+sub replace_in_file {
+	my ($f, $old, $new) = @_;
+	my @lines;
+	foreach (cat_($f)) {
+		# remove
+		/$old/ or push(@lines, $_);
+	}
+	open(my $F, ">$f") or die "output in file $f failed: $!\n";
+	foreach (@lines) {
+		print $F $_;
+	}
+	# saving new line
+	$new and print $F $new."\n";
+	close($F);
+}
+
+$ugtk2::wm_icon = "/usr/share/mcc/themes/default/drakproxy-mdk.png";
+my $modprobe = "$::prefix/etc/modprobe.conf";
+my $sysctl = "$::prefix/etc/sysctl.conf";
+
+# ipv6
+my $ipv6_disabled=0;
+foreach (cat_($modprobe)) {
+	/^install ipv6 \/bin\/true$/ and $ipv6_disabled=1;
+} cat_($modprobe);
+
+# sysctl
+my $window_scaling=0;
+foreach (cat_($sysctl)) {
+	/^net\.ipv4\.tcp_window_scaling\s*=\s*0/ and $window_scaling=1;
+} cat_($modprobe);
+
+my $u = { ipv6_disabled => $ipv6_disabled, window_scaling => $window_scaling };
+my $in = 'interactive'->vnew('su');
+if (network::network::advanced_choose($in, $u)) {
+	if ($u->{ipv6_disabled}) {
+		replace_in_file("$::prefix/etc/modprobe.conf", "^install ipv6", "install ipv6 \/bin\/true");
+	} else {
+		replace_in_file("$::prefix/etc/modprobe.conf", "^install ipv6 \/bin\/true");
+	}
+	if ($u->{window_scaling}) {
+		replace_in_file("$::prefix/etc/sysctl.conf", "^net.ipv4.tcp_window_scaling", "net.ipv4.tcp_window_scaling=0");
+	} else {
+		replace_in_file("$::prefix/etc/sysctl.conf", "net\.ipv4\.tcp_window_scaling", "net.ipv4.tcp_window_scaling=1");
+	}
+}
+$in->exit(0);
diff --git a/lib/network/network.pm b/lib/network/network.pm
index 587efeb..8bb291d 100644
--- a/lib/network/network.pm
+++ b/lib/network/network.pm
@@ -435,6 +435,19 @@ sub netprofile_read {
 }
 
 
+sub advanced_choose {
+    my ($in, $u) = @_;
+
+    my $use_http_for_https = $u->{https_proxy} eq $u->{http_proxy};
+    $in->ask_from(N("Advanced network settings"),
+       N("Here you can configure advanced network settings"),
+       [ { text => N("Disable IPv6"), val => \$u->{ipv6_disabled}, type => "bool" },
+         { text => N("Disable TCP Window Scaling"), val => \$u->{window_scaling}, type => "bool"},
+       ]
+    ) or return;
+    1;
+}
+
 sub miscellaneous_choose {
     my ($in, $u) = @_;
 
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