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authordamien <damien@mandriva.com>2001-03-23 11:14:55 +0000
committerdamien <damien@mandriva.com>2001-03-23 11:14:55 +0000
commit6988b1f06d1f47f11dd3cec3a3a7db2c9f26062a (patch)
tree36ca40aa734ceccccfa96e588b1231fbcded3ab4 /perl-install
parentc4d683a61887c8a927508f5cf9b6a77b0a63a168 (diff)
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code cleaning
Diffstat (limited to 'perl-install')
-rw-r--r--perl-install/tinyfirewall.pm102
1 files changed, 25 insertions, 77 deletions
diff --git a/perl-install/tinyfirewall.pm b/perl-install/tinyfirewall.pm
index 0fcae9cab..37be4895e 100644
--- a/perl-install/tinyfirewall.pm
+++ b/perl-install/tinyfirewall.pm
@@ -1,5 +1,4 @@
package tinyfirewall;
-
use diagnostics;
use strict;
use common qw(:common :functional :system :file);
@@ -7,8 +6,6 @@ use commands;
use run_program;
use netconnect;
use network;
-use my_gtk qw(:helpers :wrappers);
-
my @messages = (_("tinyfirewall configurator
This configures a personal firewall for this Linux Mandrake machine.
@@ -57,79 +54,37 @@ of a larger office and haven't heard of this, you probably
aren't."),
_("Configuration complete. May we write these changes to disk?")
);
-
my %settings;
-#sub ReadConfig {
my $config_file = "/etc/Bastille/bastille-firewall.cfg";
my $default_config_file = "/usr/share/Bastille/bastille-firewall.cfg"; # set this later
-sub ReadConfig
-##############################
-## Reads the default values from $config_file
-{
- ## if $config_file doesn't exist, move the
- ## $default_config_file to $config_file
-
- system ("/bin/cp $default_config_file $config_file")
- if !( -e $config_file);
-
-
- open CONFIGFILE, $config_file
- or die "Can't open $config_file: $!\n";
-
- while (my $line = <CONFIGFILE>)
- {
- $line =~ s/\#.*$//; # remove comments
- $line =~ s/^\s+//; # remove leading whitespace
- $line =~ s/\s+$//; # remove tailing whitespace
- $line =~ s/\s+/ /; # remove extra whitespace
-
-
- ## what's left will be useful stuff, so
- ## get the values
-
- $line =~ m/^(.+)\s*\=\s*\"(.*)\"\s*$/;
- my ($variable, $value) = ($1, $2);
-
-
- ## set the proper value in the hash
- $settings{$variable} = $value
- if ($variable);
- }
-
- close CONFIGFILE;
- return;
-# my ($config_file, $default_config_file)=@_;
- $config_file ||= "/etc/Bastille/bastille-firewall.cfg";
- $default_config_file ||= "/usr/share/Bastille/bastille-firewall.cfg";
+sub ReadConfig {
-e $config_file or cp($default_config_file, $config_file);
add2hash(\%settings, { getVarsFromSh("$config_file") });
}
-
-my $GetNetworkInfo = sub {
- $settings{DNS_SERVERS} = join(' ', uniq(split(' ', $settings{DNS_SERVERS}),
- @{network::read_resolv_conf("/etc/resolv.conf")}{'dnsServer', 'dnsServer2', 'dnsServer3'}));
- open NETSTAT, "/bin/netstat -in |" or die "Can't pipe from /bin/netstat: $!\n"; <NETSTAT>; <NETSTAT>;
- my @interfaces = map { (split / /)[0]; } (<NETSTAT>); close NETSTAT;
- open ROUTE, "/sbin/route -n |" or die "Can't pipe from /sbin/route: $!\n"; <ROUTE>; <ROUTE>;
- my $defaultgw;
- my $iface;
- while (<ROUTE>) {
- my @parts = split /\s+/;
- ($parts[0] eq "0.0.0.0") and $defaultgw = $parts[1], $iface = $parts[7];
- } close ROUTE;
- my $fulliface = $iface;
- $fulliface =~ s/[0-9]+/\\\+/; # so we can match eth0 against eth+, for example
- $settings{PUBLIC_INTERFACES} = join(' ', uniq(split(' ', $settings{PUBLIC_INTERFACES}), $iface));
- $settings{PUBLIC_INTERFACES} =~ $fulliface and $settings{PUBLIC_INTERFACES} =~ s/$iface *//;
- $settings{INTERNAL_IFACES} = join(' ', uniq(split(' ', $settings{INTERNAL_IFACES}),
- map { my $i=$_; my $f=$i; $f=~s/[0-9]+/\\\+/;
- if_(and_( map {$settings{$_} !~ /$i/ and $settings{$_} !~ /$f/ } ('TRUSTED_IFACES', 'PUBLIC_IFACES', 'INTERNAL_IFACES')), $i)
- } (@interfaces) ));
-};
-
sub DoInterface {
my ($in)=@_;
$::isWizard=1;
+ my $GetNetworkInfo = sub {
+ $settings{DNS_SERVERS} = join(' ', uniq(split(' ', $settings{DNS_SERVERS}),
+ @{network::read_resolv_conf("/etc/resolv.conf")}{'dnsServer', 'dnsServer2', 'dnsServer3'}));
+ open NETSTAT, "/bin/netstat -in |" or die "Can't pipe from /bin/netstat: $!\n"; <NETSTAT>; <NETSTAT>;
+ my @interfaces = map { (split / /)[0]; } (<NETSTAT>); close NETSTAT;
+ open ROUTE, "/sbin/route -n |" or die "Can't pipe from /sbin/route: $!\n"; <ROUTE>; <ROUTE>;
+ my $defaultgw;
+ my $iface;
+ while (<ROUTE>) {
+ my @parts = split /\s+/;
+ ($parts[0] eq "0.0.0.0") and $defaultgw = $parts[1], $iface = $parts[7];
+ } close ROUTE;
+ my $fulliface = $iface;
+ $fulliface =~ s/[0-9]+/\\\+/;
+ $settings{PUBLIC_INTERFACES} = join(' ', uniq(split(' ', $settings{PUBLIC_INTERFACES}), $iface));
+ $settings{PUBLIC_INTERFACES} =~ $fulliface and $settings{PUBLIC_INTERFACES} =~ s/$iface *//;
+ $settings{INTERNAL_IFACES} = join(' ', uniq(split(' ', $settings{INTERNAL_IFACES}),
+ map { my $i=$_; my $f=$i; $f=~s/[0-9]+/\\\+/;
+ if_(and_( map {$settings{$_} !~ /$i/ and $settings{$_} !~ /$f/ } ('TRUSTED_IFACES', 'PUBLIC_IFACES', 'INTERNAL_IFACES')), $i)
+ } (@interfaces) ));
+ };
my $popimap = sub { $_[0] or return; mapn { $settings{$_[0]} = $_[1] }
[ qw(FORCE_PASV_FTP TCP_BLOCKED_SERVICES UDP_BLOCKED_SERVICES ICMP_ALLOWED_TYPES ENABLE_SRC_ADDR_VERIFY IP_MASQ_NETWORK IP_MASQ_MODULES REJECT_METHOD) ] ,
[ "N", "6000:6020", "2049", "destination-unreachable echo-reply time-exceeded" , "Y", "", "", "DENY" ]; };
@@ -138,7 +93,7 @@ sub DoInterface {
$settings{DHCP_IFACES} and return;
open NETSTAT, "/bin/netstat -in |" or die "Can't pipe from /bin/netstat: $!\n"; <NETSTAT>; <NETSTAT>;
$settings{DHCP_IFACES} = join(' ', split(' ', $settings{DHCP_IFACES}), map { (split / /)[0]; } (<NETSTAT>)); close NETSTAT;
- } else { $settings{DHCP_IFACES} = "" }};
+ } else { $settings{DHCP_IFACES} = "" } };
my $quit = sub {
$_[0] or $in->exit(0);
cp("-f", $config_file, $config_file . ".orig");
@@ -151,8 +106,7 @@ sub DoInterface {
"/bin/cp /usr/share/Bastille/bastille-firewall /etc/rc.d/init.d/",
"/bin/chmod 0700 /etc/rc.d/init.d/bastille-firewall", "/bin/chmod 0700 /sbin/bastille-ipchains",
"/bin/chmod 0700 /sbin/bastille-netfilter", "/sbin/chkconfig bastille-firewall on",
- "/etc/rc.d/init.d/bastille-firewall stop", "/etc/rc.d/init.d/bastille-firewall start");
- };
+ "/etc/rc.d/init.d/bastille-firewall stop", "/etc/rc.d/init.d/bastille-firewall start"); };
my @struct = (
[$GetNetworkInfo],
[],
@@ -192,8 +146,6 @@ sub DoInterface {
}
}
}
-
-
sub Service {
my ($add, $protocol, $port) = @_;
if ($add) {
@@ -204,18 +156,14 @@ sub Service {
join( ' ', map { if_($_ ne $port, $_)} (split (' ', $settings{uc($protocol) . "_PUBLIC_SERVICES"})) );
}
}
-
sub CheckService {
my ($protocol, $port) = @_;
map { $_ eq $port and return 1 } split / /, $settings{uc($protocol) . "_PUBLIC_SERVICES"};
}
-
-sub Kernel22
-{
+sub Kernel22 {
my ($major, $minor, $patchlevel) = (cat_("/proc/version"))[0] =~ m/^Linux version ([0-9]+)\.([0-9]+)\.([0-9]+)/;
$major eq "2" && $minor eq "2";
}
-
sub main {
my ($in)=@_;
ReadConfig;