JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3Rbr# shorewall6-lib.pl # Common functions for the shorewall6 configuration files # FIXME: # - rule sections # - read_shorewall6_config & standard_parser do not allow quoted comment characters BEGIN { push(@INC, ".."); }; use WebminCore; &init_config(); # Get the version $shorewall6_version = &get_shorewall6_version(0); %shorewall6_config = &read_shorewall6_config(); #&dump_shorewall6_config(); # get access permissions %access = &get_module_acl(); @shorewall6_files = ( 'zones', 'interfaces', 'policy', 'rules', 'tos', 'proxyndp', 'routestopped', 'tunnels', 'hosts', 'blacklist', 'providers', 'params', 'shorewall6.conf' ); @comment_tables = ( 'rules', 'tcrules' ); sub debug_message { print STDERR scalar(localtime).": shorewall6-lib: @_\n"; } # version_atleast(v1, v2, v3, ...) # - Check if the Shorewall version is greater than or equal to the one supplied. sub version_atleast { local @vsp = split(/\./, $shorewall6_version); local $i; for($i=0; $i<@vsp || $i<@_; $i++) { return 0 if ($vsp[$i] < $_[$i]); return 1 if ($vsp[$i] > $_[$i]); } return 1; # same! } sub read_shorewall6_config { local @ret; open(SHOREWALL_CONF, "<$config{'config_dir'}/shorewall6.conf"); while () { chomp; s/\r//; s/#.*$//; @F = split( /=/, $_, 2 ); next if $#F != 1; push @ret, ( $F[0], $F[1] ); } close(SHOREWALL_CONF); return @ret; } # dump_shorewall6_config() # - Debugging code sub dump_shorewall6_config { for (sort keys %shorewall6_config) { print STDERR "$_=$shorewall6_config{$_}\n"; } } # shorewall6_config(var) sub shorewall6_config { if (exists $shorewall6_config{$_[0]} && defined $shorewall6_config{$_[0]}) { return $shorewall6_config{$_[0]}; } return ''; } # return true if new zones format is in use sub new_zones_format { return 1; } # read_table_file(table, &parserfunc) sub read_table_file { local @rv; local $func = $_[1]; open(FILE, "<$config{'config_dir'}/$_[0]"); while() { s/\r|\n//g; local $l = &$func($_); push(@rv, $l) if ($l); } close(FILE); return @rv; } # read_table_struct(table, &parserfunc) sub read_table_struct { if (!defined($read_table_cache{$_[0]})) { local @rv; local $func = $_[1]; open(FILE, "<$config{'config_dir'}/$_[0]"); local $lnum = 0; while() { s/\r|\n//g; local $cmt; if (s/#\s*(.*)$//) { $cmt = $1; } local $l = &$func($_); if ($l) { push(@rv, { 'line' => $lnum, 'file' => "$config{'config_dir'}/$_[0]", 'table' => $_[0], 'index' => scalar(@rv), 'values' => $l, 'comment' => $cmt }); } $lnum++; } close(FILE); $read_table_cache{$_[0]} = \@rv; } return $read_table_cache{$_[0]}; } # find_line_num(&lref, &parserfunc, index) sub find_line_num { local $lref = $_[0]; local $func = $_[1]; local $idx = 0; for($i=0; $i<@$lref; $i++) { if (&$func($lref->[$i])) { if ($idx++ == $_[2]) { return $i; } } } return undef; } # delete_table_row(table, &parserfunc, index) sub delete_table_row { local $lref = &read_file_lines("$config{'config_dir'}/$_[0]"); local $lnum = &find_line_num($lref, $_[1], $_[2]); splice(@$lref, $lnum, 1) if (defined($lnum)); &flush_file_lines(); } # delete_table_struct(&struct) sub delete_table_struct { local $lref = &read_file_lines($_[0]->{'file'}); splice(@$lref, $_[0]->{'line'}, 1); &flush_file_lines(); local $cache = $read_table_cache{$_[0]->{'table'}}; local $idx = &indexof($_[0], @$cache); if ($idx >= 0) { splice(@$cache, $idx, 1); } local $c; foreach $c (@$cache) { $c->{'line'}-- if ($c->{'line'} > $_[0]->{'line'}); $c->{'index'}-- if ($c->{'index'} > $_[0]->{'index'}); } } # create_table_row(table, &parserfunc, line, [insert-index]) sub create_table_row { local $lref = &read_file_lines("$config{'config_dir'}/$_[0]"); local ($i, $idx); for($i=0; $i<@$lref; $i++) { if ($lref->[$i] =~ /^#+\s*LAST\s+LINE/) { $idx = $i; last; } elsif ($lref->[$i] =~ /^SECTION\s+NEW/) { $idx = $i+1; last; } } if (defined($_[3])) { local $lnum = &find_line_num($lref, $_[1], $_[3]); $lnum = $idx if (!defined($lnum)); splice(@$lref, $lnum, 0, &simplify_line($_[2])); } else { splice(@$lref, $idx, 0, &simplify_line($_[2])); } &flush_file_lines(); } # create_table_struct(&struct, parserfunc, [&insert-before]) sub create_table_struct { local $lref = &read_file_lines("$config{'config_dir'}/$_[0]->{'table'}"); local ($i, $idx); for($i=0; $i<@$lref; $i++) { if ($lref->[$i] =~ /^#+\s*LAST\s+LINE/) { $idx = $i; last; } } if (!defined($idx)) { $idx = @$lref; } local $cache = &read_table_struct($_[0]->{'table'}, $_[1]); if ($_[2]) { # Insert into file splice(@$lref, $_[2]->{'line'}, 0, &make_struct($_[0])); $_[0]->{'file'} = "$config{'config_dir'}/$_[0]->{'table'}"; $_[0]->{'line'} = $_[2]->{'line'}; $_[0]->{'index'} = $_[2]->{'index'}; local $c; foreach $c (@$cache) { $_[0]->{'line'}++ if ($c->{'line'} >= $_[2]->{'line'}); $_[0]->{'index'}++ if ($c->{'index'} >= $_[2]->{'index'}); } local $iidx = &indexof($_[2], @$cache); splice(@$cache, $iidx, 0, $_[0]); } else { # Append to file splice(@$lref, $idx, 0, &make_struct($_[0])); $_[0]->{'file'} = "$config{'config_dir'}/$_[0]->{'table'}"; $_[0]->{'line'} = $idx; $_[0]->{'index'} = @$cache; push(@$cache, $_[0]->{'index'}); } &flush_file_lines(); } # modify_table_row(table, &parserfunc, index, line) sub modify_table_row { local $lref = &read_file_lines("$config{'config_dir'}/$_[0]"); local $lnum = &find_line_num($lref, $_[1], $_[2]); $lref->[$lnum] = &simplify_line($_[3]) if (defined($lnum)); &flush_file_lines(); } # modify_table_struct(&newstruct, &oldstruct) sub modify_table_struct { local $lref = &read_file_lines("$config{'config_dir'}/$_[1]->{'table'}"); $lref->[$_[1]->{'line'}] = &make_struct($_[0]); if ($_[0] ne $_[1]) { $_[0]->{'line'} = $_[1]->{'line'}; $_[0]->{'index'} = $_[1]->{'index'}; local $cache = $read_table_cache{$_[1]->{'table'}}; local $idx = &indexof($_[1], @$cache); $cache->[$idx] = $_[0]; } &flush_file_lines(); } # swap_table_rows(table, &parserfunc, index1, index2) sub swap_table_rows { local $lref = &read_file_lines("$config{'config_dir'}/$_[0]"); local $lnum1 = &find_line_num($lref, $_[1], $_[2]); local $lnum2 = &find_line_num($lref, $_[1], $_[3]); ($lref->[$lnum1], $lref->[$lnum2]) = ($lref->[$lnum2], $lref->[$lnum1]); &flush_file_lines(); } # make_struct(&struct) sub make_struct { local $line = join("\t", @{$_[0]->{'values'}}); if ($_[0]->{'comment'}) { $line .= "\t# $_[0]->{'comment'}"; } return &simplify_line($line); } # simplify_line(line) # Removes blank fields from the end of a line sub simplify_line { local $rv = $_[0]; while($rv =~ s/\s+$// || $rv =~ s/\-$//) { } return $rv; } sub lock_table { &lock_file("$config{'config_dir'}/$_[0]"); } sub unlock_table { &unlock_file("$config{'config_dir'}/$_[0]"); } # parser for whitespace-separated config files sub standard_parser { local $l = $_[0]; $l =~ s/#.*$//; local @sp = split(/\s+/, $l); return undef if ($sp[0] eq "SECTION"); return @sp ? \@sp : undef; } # parser for shell-style config files sub config_parser { local $l = $_[0]; $l =~ s/#\s*(.*?)\s*$//; # save the comment we strip local @sp = split(/=/, $l, 2); if ($#sp > -1 && defined $1) { push @sp, $1; # add back the saved comment, if present } return @sp ? \@sp : undef; } # determine which parser function to use sub get_parser_func { local $hashref = $_[0]; &get_clean_table_name($hashref); local $pfunc = $hashref->{'tableclean'}."_parser"; if (!defined(&$pfunc)) { if ($hashref->{'tableclean'} =~ /^(params|shorewall6_conf)$/) { $pfunc = "config_parser"; } else { $pfunc = "standard_parser"; } } return $pfunc; } # ensure that the passed string contains only characters valid in shell variable identifiers sub clean_name { local $str = $_[0]; $str =~ s/\W/_/g; return $str; } # get a table name that is clean enough to use as a function prefix sub get_clean_table_name { local $hashref = $_[0]; if (!exists hashref->{'tableclean'}) { $hashref->{'tableclean'} = &clean_name($in{'table'}); } } # zone_field(name, value, othermode, simplemode) sub zone_field { local @ztable = &read_table_file("zones", \&zones_parser); local $found = 0; print "\n"; return $found; } # iface_field(name, value) sub iface_field { local @itable = &read_table_file("interfaces", \&standard_parser); print "\n"; } # convert_zone(name) # Given a zone name, returns a description # FIXME: inefficient - should be able to pass ztable into this function sub convert_zone { local @ztable = &read_table_file("zones", \&zones_parser); foreach $z (@ztable) { if ($_[0] eq $z->[0]) { if (&new_zones_format()) { # No descriptions in new format - use comment field if present if (defined $z->[6] && $z->[6] ne "") { $ret = $_[0]." - ".$z->[6]; } else { $ret = $_[0]; } } else { $ret = $z->[1]; } } } if (&is_fw($_[0])) { $ret = $text{'list_fw'}; } return $ret || $_[0]; } # nice_host_list(list) # Convert a comma-separate host string to space-separated sub nice_host_list { local @hosts = split(/,/, $_[0]); if (@host > 5) { return join(", ", @hosts[0..5]).", ..."; } else { return join(", ", @hosts); } } # is_fw(zone) # - Checks if the supplied zone is the firewall zone. # Now handles renaming of firewall zone in shorewall6.conf. sub is_fw { local $fw = &shorewall6_config('FW'); $fw = 'fw' if ($fw eq ''); return $_[0] eq '$FW' || $_[0] eq $fw; } ################################# zones ####################################### sub zones_parser { if (&new_zones_format()) { # New format local $l = $_[0]; $l =~ s/#\s*(.*?)\s*$//; # save the stripped comment local $comment = $1 if defined $1; local @r = split(/\s+/, $l, 6); if ($#r > -1) { local $zone = shift @r; # split out parent if it is present in the zone field local $parent; $zone =~ m/(.*?):(.*)/; if (defined $2) { $zone = $1; $parent = $2; } else { $parent = ""; } unshift @r, $zone, $parent; # put the saved comment back if (defined $comment) { # ensure option fields are present while ($#r < 5) { push @r, ""; } # add the comment field push @r, $comment; } } return scalar(@r) ? \@r : undef; } else { # Old format local $l = $_[0]; $l =~ s/#.*$//; if ($l =~ /^(\S+)\s+(\S+)\s*(.*)/) { return [ $1, $2, $3 ]; } else { return undef; } } } sub zones_columns { return &new_zones_format() ? 4 : 3; } # format a parsed row for display in list form sub zones_row { if (&new_zones_format()) { return ( $_[0], $_[1], $text{'zones_'.$_[2]} || $_[2], $_[6] ); } else { return @_; } } sub zones_colnames { return ( $text{'zones_0'}, $text{'zones_1new'}, $text{'zones_2new'}, $text{'zones_6new'} ); } sub zones_form { # Shorewall 3 zones format print " $text{'zones_0'}\n"; print "",&ui_textbox("id", $_[0], 8),"\n"; print "$text{'zones_1new'}\n"; print "\n"; &zone_field("parent", $_[1], 0, 1); print " \n"; print "$text{'zones_2new'}\n"; print "",&ui_select("type", $_[2], [ [ "ipv6", $text{'zones_ipv6'} ], [ "ipsec", $text{'zones_ipsec'} ], [ "ipsec6", $text{'zones_ipsec6'} ], [ "bport", $text{'zones_bport'} ], [ "bport6", $text{'zones_bport6'} ], [ "firewall", $text{'zones_firewall'} ] ])," \n"; print " $text{'zones_3new'}\n"; print "",&ui_textbox("opts", $_[3], 50)," \n"; print " $text{'zones_4new'}\n"; print "",&ui_textbox("opts_in", $_[4], 50)," \n"; print " $text{'zones_5new'}\n"; print "",&ui_textbox("opts_out", $_[5], 50)," \n"; print " $text{'zones_6new'}\n"; print "",&ui_textbox("comment", $_[6], 50)," \n"; } sub zones_validate { $in{'id'} =~ /^\S+$/ || &error($text{'zones_eid'}); &is_fw($in{'id'}) && &error($text{'zones_efwid'}); if (&new_zones_format()) { # Parse new format $in{'opts'} =~ /^\S*$/ || &error($text{'zones_eopts'}); $in{'opts_in'} =~ /^\S*$/ || &error($text{'zones_eopts_in'}); $in{'opts_out'} =~ /^\S*$/ || &error($text{'zones_eopts_out'}); if (!defined $in{'parent'} || $in{'parent'} eq "-") { return ( $in{'id'}, $in{'type'}, $in{'opts'}, $in{'opts_in'}, $in{'opts_out'}, "# $in{'comment'}" ); } else { return ( $in{'id'}.":".$in{'parent'}, $in{'type'}, $in{'opts'}, $in{'opts_in'}, $in{'opts_out'}, "# $in{'comment'}" ); } } else { # Parse old format $in{'name'} =~ /^\S+$/ || &error($text{'zones_ename'}); $in{'desc'} =~ /\S/ || &error($text{'zones_edesc'}); return ( $in{'id'}, $in{'name'}, $in{'desc'} ); } } ################################# interfaces ################################### sub interfaces_row { return ( $_[1], $_[0] eq '-' ? $text{'list_any'} : $_[0], $_[3] ? $_[3] : $text{'list_none'} ); } @interfaces_opts = ( 'dhcp', 'forward', 'ignore', 'optional' ); if (&version_atleast(4, 4, 7)) { push(@interfaces_opts, "bridge"); } if (&version_atleast(4, 4, 10)) { push(@interfaces_opts, "required"); } if (&version_atleast(4, 4, 13)) { push(@interfaces_opts, "blacklist"); } sub interfaces_form { print " $text{'interfaces_0'}\n"; print "\n"; local @ztable = &read_table_file("zones", \&zones_parser); print "$text{'interfaces_1'}\n"; print "\n"; &zone_field("zone", $_[0], 0, 1); print " \n"; # options local %opts = map { $_, 1 } split(/,/, $_[3]); print " $text{'interfaces_2'} \n"; &options_input("opts", $_[3], \@interfaces_opts); print " \n"; } sub interfaces_validate { $in{'iface'} =~ /^[a-z]+\d*(\.\d+)?$/ || $in{'iface'} =~ /^[a-z]+\+$/ || &error($text{'interfaces_eiface'}); return ( $in{'zone'}, $in{'iface'}, '-', join(",", split(/\0/, $in{'opts'})) ); } ################################# policy ####################################### sub policy_row { return ( $_[0] eq 'all' ? $text{'list_any'} : &is_fw($_[0]) ? $text{'list_fw'} : $_[0], $_[1] eq 'all' ? $text{'list_any'} : &is_fw($_[1]) ? $text{'list_fw'} : $_[1], $_[2], $_[3] eq '-' || $_[3] eq '' ? $text{'list_none'} : $_[3], $_[4] =~ /(\d+):(\d+)/ ? &text('policy_limit', "$1", "$2") : $text{'list_none'} ); } @policy_list = ( "ACCEPT", "DROP", "REJECT", "QUEUE", "NFQUEUE", "CONTINUE", "NONE" ); sub policy_form { local $found; print " $text{'policy_0'}\n"; print "\n"; &zone_field("source", $_[0], 0); print "\n"; print "$text{'policy_1'}\n"; print "\n"; &zone_field("dest", $_[1], 0); print " \n"; print " $text{'policy_2'}\n"; print "\n"; print "$text{'policy_3'}\n"; print " \n"; local ($l, $b) = $_[4] =~ /(\d+):(\d+)/ ? ($1, $2) : ( ); print " $text{'policy_4'} \n"; printf " %s\n", $l eq '' ? "checked" : "", $text{'list_none'}; printf "\n", $l eq '' ? "" : "checked"; print &text('policy_limit', "", "")," \n"; } sub policy_validate { &is_fw($in{'source'}) && &is_fw($in{'dest'}) && &error($text{'policy_efw'}); if (!$in{'limit_def'}) { $in{'limit'} =~ /^\d+$/ || &error($text{'policy_elimit'}); $in{'burst'} =~ /^\d+$/ || &error($text{'policy_eburst'}); } return ( $in{'source'}, $in{'dest'}, $in{'policy'}, $in{'log'}, $in{'limit_def'} ? ( ) : ( "$in{'limit'}:$in{'burst'}" ) ); } ################################# rules ####################################### sub rules_row { return ( $_[0] =~ /^(\S+):/ ? "$1" : $_[0], &is_fw($_[1]) ? $text{'list_fw'} : $_[1] eq 'all' ? $text{'list_any'} : $config{'display_zone_descriptions'} == 0 ? $_[1] : $_[1] =~ /^([^:]+):(\S+)$/ ? &text('rules_hosts', &convert_zone("$1"), &nice_host_list("$2")) : &text('rules_zone', &convert_zone($_[1])), &is_fw($_[2]) ? $text{'list_fw'} : $_[2] eq 'all' ? $text{'list_any'} : $_[2] =~ /^\d+$/ ? &text('rules_rport', $_[2]) : $config{'display_zone_descriptions'} == 0 ? $_[2] : $_[2] =~ /^([^:]+):(\S+)$/ ? &text('rules_hosts', &convert_zone("$1"), &nice_host_list("$2")) : &text('rules_zone', &convert_zone($_[2])), $_[3] eq 'all' ? $text{'list_any'} : $_[3] eq 'related' ? $text{'rules_related'} : uc($_[3]), $_[3] eq 'all' || $_[3] eq 'related' ? "" : $_[5] eq '-' || $_[5] eq '' ? $text{'list_any'} : $_[5], $_[4] eq '-' || $_[4] eq '' ? "" : $_[4], $_[7] eq "-" ? "" : $_[7], $_[8] eq "-" ? "" : $_[8] ); } @rules_actions = ( 'ACCEPT', 'DROP', 'REJECT', 'DNAT', 'DNAT-', 'REDIRECT', 'CONTINUE', 'ACCEPT+', 'NONAT', 'REDIRECT-', 'LOG', 'DNAT-', 'SAME', 'SAME-' , 'QUEUE'); @rules_protos = ( 'all', 'related', 'tcp', 'udp', 'ipv6-icmp' ); sub rules_form { local $found; local @ztable = &read_table_file("zones", \&zones_parser); local ($action, $log) = split(/:/, $_[0]); local $macroarg; if ($action =~ /^(.*)\/(.*)$/) { $action = $1; $macroarg = $2; } # Rule action print " $text{'rules_0'}\n"; print "\n"; # Logging level print "$text{'rules_log'} \n"; if (&version_atleast(3)) { print " $text{'rules_macro'}\n"; print "\n"; print &ui_select("macro", $macroarg, [ [ "", "<$text{'rules_none2'}>" ], map { [ $_ ] } (sort { $a cmp $b } @rules_actions) ], 1, 0, $macroarg); print " \n"; } # Source zone and hosts local ($zone, $host) = split(/:/, $_[1], 2); print " $text{'rules_1z'}\n"; print "\n"; $found = &zone_field("source", $zone, 1); printf "\n", $found ? "" : $zone; print "
$text{'rules_inzone'}\n"; printf " %s\n", $host ? "checked" : "", $text{'rules_addr'}; printf " \n", join(" ", split(/,/, $host)); ($zone, $host) = split(/:/, $_[2], 2); print " $text{'rules_2z'}\n"; print "\n"; $found = &zone_field("dest", $zone, 1); printf "\n", $found ? "" : $zone; print "
$text{'rules_inzone'}\n"; printf " %s\n", $host ? "checked" : "", $text{'rules_addr'}; printf "\n", join(" ", split(/,/, $host)); print "
$text{'rules_dnat_dest'} \n"; print " $text{'rules_3'}\n"; print "\n"; printf " \n", $found ? "" : $_[3]; print " $text{'rules_4'} \n"; printf " %s\n", $_[5] eq '' || $_[5] eq '-' ? "checked" : "", $text{'list_any'}; printf " %s\n", $_[5] eq '' || $_[5] eq '-' ? "" : "checked", $text{'rules_ranges'}; printf " \n", $_[5] eq '' || $_[5] eq '-' ? "" : join(" ", split(/,/, $_[5])); print " $text{'rules_5'} \n"; printf " %s\n", $_[4] eq '' || $_[4] eq '-' ? "checked" : "", $text{'list_any'}; printf " %s\n", $_[4] eq '' || $_[4] eq '-' ? "" : "checked", $text{'rules_ranges'}; printf "\n", $_[4] eq '' || $_[4] eq '-' ? "" : join(" ", split(/,/, $_[4])); print "
$text{'rules_dnat_port'} \n"; print " $text{'rules_dnat'} \n"; printf " %s\n", $_[6] eq '' || $_[6] eq '-' ? "checked" : "", $text{'list_none'}; printf "\n", $_[6] eq '' || $_[6] eq '-' ? "" : "checked"; printf " \n", $_[6] eq '' || $_[6] eq '-' ? "" : $_[6]; if (&version_atleast(1, 4, 7)) { print " $text{'rules_rate'} \n"; printf " %s\n", $_[7] eq "-" || !$_[7] ? "checked" : "", $text{'rules_norate'}; printf "\n", $_[7] eq "-" || !$_[7] ? "" : "checked"; printf " \n", $_[7] eq "-" ? "" : $_[7]; print " $text{'rules_set'} \n"; printf " %s\n", $_[8] eq "-" || !$_[8] ? "checked" : "", $text{'rules_noset'}; printf "\n", $_[8] eq "-" || !$_[8] ? "" : "checked"; printf " \n", $_[8] eq "-" ? "" : $_[8]; } } sub rules_validate { $in{'action'} !~ /----/ || &error($text{'rules_eaction'}); $in{'source'} || $in{'sother'} =~ /^\S+$/ || &error($text{'rules_esother'}); !$in{'sinzone_def'} || $in{'sinzone'} =~ /\S/ || &error($text{'rules_esinzone'}); $in{'dest'} || $in{'dother'} =~ /^\S+$/ || &error($text{'rules_edother'}); !$in{'dinzone_def'} || $in{'dinzone'} =~ /\S/ || &error($text{'rules_edinzone'}); $in{'proto'} || $in{'pother'} =~ /^\S+$/ || &error($text{'rules_epother'}); $in{'sport_def'} || $in{'sport'} =~ /\S/ || &error($text{'rules_esport'}); $in{'dport_def'} || $in{'dport'} =~ /\S/ || &error($text{'rules_edport'}); $in{'dnat_def'} || &check_ip6address($in{'dnat'}) || ($in{'dnat'} =~ /^([0-9\.]+):([0-9\.]+)$/ && &check_ip6address("$1") && &check_ip6address("$2")) || ($in{'dnat'} =~ /^\!([0-9\.]+)$/ && &check_ip6address("$1")) || ($in{'dnat'} =~ /^\!([0-9\.]+),([0-9\.]+)(\/\d+)?$/ && &check_ip6address("$1") && &check_ip6address("$2")) || ($in{'dnat'} =~ /^\!([0-9\.,]+)$/ && scalar(grep { &check_ip6address($_) } split(/,/, $1))) || &error($text{'rules_ednat'}); $in{'action'} ne 'DNAT' && $in{'action'} ne 'REDIRECT' && $in{'action'} ne 'DNAT-' && !$in{'dnat_def'} && &error($text{'rules_ednat2'}); $in{'sinzone'} =~ s/\s+/,/g; $in{'dinzone'} =~ s/\s+/,/g; $in{'sport'} =~ s/\s+/,/g; $in{'dport'} =~ s/\s+/,/g; if (&version_atleast(1, 4, 7)) { $in{'rate_def'} || $in{'rate'} =~ /^\S+$/ || &error($text{'rules_erate'}); $in{'set_def'} || $in{'set'} =~ /^\S+$/ || &error($text{'rules_eset'}); } if ($in{'macro'} && &indexof($in{'action'}, &list_standard_macros()) >= 0) { $in{'action'} .= "/".$in{'macro'}; $in{'proto'} = $in{'pother'} = undef; } return ( $in{'log'} ? "$in{'action'}:$in{'log'}" : $in{'action'}, ($in{'source'} || $in{'sother'}). ($in{'sinzone_def'} ? ":$in{'sinzone'}" : ""), ($in{'dest'} || $in{'dother'}). ($in{'dinzone_def'} ? ":$in{'dinzone'}" : ""), $in{'proto'} || $in{'pother'} || '-', $in{'dport_def'} ? "-" : $in{'dport'}, $in{'sport_def'} ? "-" : $in{'sport'}, $in{'dnat_def'} ? "-" : $in{'dnat'}, &version_atleast(1, 4, 7) ? ( ( $in{'rate_def'} ? "-" : $in{'rate'} ), ( $in{'set_def'} ? "-" : $in{'set'} ) ) : ( ) ); } sub rules_columns { return &version_atleast(1, 4, 7) ? 6 : 8; } ################################# tos ######################################### %tos_map = ( 0, 'Normal-Service', 2, 'Minimize-Cost', 4, 'Maximize-Reliability', 8, 'Maximize-Throughput', 16, 'Minimize-Delay' ); @tos_protos = ( 'tcp', 'udp', 'ipv6-icmp' ); sub tos_row { return ( &is_fw($_[0]) ? $text{'list_fw'} : $_[0] eq 'all' ? $text{'list_any'} : $_[0] =~ /^([^:]+):(\S+)$/ ? &text('rules_hosts', "$1", "$2") : &text('rules_zone', $_[0]), &is_fw($_[1]) ? $text{'list_fw'} : $_[1] eq 'all' ? $text{'list_any'} : $_[1] =~ /^([^:]+):(\S+)$/ ? &text('rules_hosts', "$1", "$2") : &text('rules_zone', $_[1]), uc($_[2]), $_[3] eq '-' || $_[3] eq '' ? $text{'list_any'} : $_[3], $_[4] eq '-' || $_[4] eq '' ? $text{'list_any'} : $_[4], $tos_map{$_[5]} || $_[5], $_[6] eq '-' ? $text{'list_none'} : $_[6] ); } sub tos_form { local ($zone, $host) = split(/:/, $_[0], 2); print " $text{'tos_0z'}\n"; print "\n"; $found = &zone_field("source", $zone, 1); printf "\n", $found ? "" : $zone; print "
$text{'rules_inzone'}\n"; printf " %s\n", $host ? "checked" : "", $text{'rules_addr'}; printf " \n", join(" ", split(/,/, $host)); ($zone, $host) = split(/:/, $_[1], 2); print " $text{'tos_1z'}\n"; print "\n"; $found = &zone_field("dest", $zone, 1); printf "\n", $found ? "" : $zone; print "
$text{'rules_inzone'}\n"; printf " %s\n", $host ? "checked" : "", $text{'rules_addr'}; printf " \n", join(" ", split(/,/, $host)); print " $text{'tos_2'}\n"; print "\n"; printf " \n", $found ? "" : $_[2]; print " $text{'tos_3'} \n"; printf " %s\n", $_[3] eq '' || $_[3] eq '-' ? "checked" : "", $text{'list_any'}; printf " %s\n", $_[3] eq '' || $_[3] eq '-' ? "" : "checked", $text{'rules_ranges'}; printf " \n", $_[3] eq '' || $_[3] eq '-' ? "" : join(" ", split(/,/, $_[3])); print " $text{'tos_4'} \n"; printf " %s\n", $_[4] eq '' || $_[4] eq '-' ? "checked" : "", $text{'list_any'}; printf " %s\n", $_[4] eq '' || $_[4] eq '-' ? "" : "checked", $text{'rules_ranges'}; printf " \n", $_[4] eq '' || $_[4] eq '-' ? "" : join(" ", split(/,/, $_[4])); print " $text{'tos_5'}\n"; print " \n"; print " $text{'tos_6'}\n"; printf " \n", $_[6] eq "-" ? "" : $_[6]; } sub tos_validate { $in{'source'} || $in{'sother'} =~ /^\S+$/ || &error($text{'rules_esother'}); !$in{'sinzone_def'} || $in{'sinzone'} =~ /\S/ || &error($text{'rules_esinzone'}); $in{'dest'} || $in{'dother'} =~ /^\S+$/ || &error($text{'rules_edother'}); !$in{'dinzone_def'} || $in{'dinzone'} =~ /\S/ || &error($text{'rules_edinzone'}); $in{'proto'} || $in{'pother'} =~ /^\S+$/ || &error($text{'rules_epother'}); $in{'sport_def'} || $in{'sport'} =~ /\S/ || &error($text{'rules_esport'}); $in{'dport_def'} || $in{'dport'} =~ /\S/ || &error($text{'rules_edport'}); return ( ($in{'source'} || $in{'sother'}). ($in{'sinzone_def'} ? ":$in{'sinzone'}" : ""), ($in{'dest'} || $in{'dother'}). ($in{'dinzone_def'} ? ":$in{'dinzone'}" : ""), $in{'proto'} || $in{'pother'}, $in{'sport_def'} ? "-" : join(",", split(/\s+/, $in{'sport'})), $in{'dport_def'} ? "-" : join(",", split(/\s+/, $in{'dport'})), $in{'tos'}, $in{'mark'} || "-" ); } ################################# proxyndp ####################################### sub proxyndp_row { return ( $_[0], $_[1] eq '-' || $_[1] eq '' ? $text{'list_auto'} : $_[1], $_[2], $_[4] =~ /yes/i ? $text{'yes'} : $text{'no'} ); } sub proxyndp_form { print " $text{'proxyndp_0'}\n"; print "\n"; print "$text{'proxyndp_1'}\n"; printf " %s\n", $_[1] eq '-' || $_[1] eq '' ? "checked" : "", $text{'list_auto'}; printf "\n", $_[1] eq '-' || $_[1] eq '' ? "" : "checked"; &iface_field("int", $_[1] eq '-' ? undef : $_[1]); print " "; local $have = $_[3] =~ /yes/i; print " $text{'proxyndp_have'}\n"; printf " %s\n", $have ? "checked" : "", $text{'yes'}; printf " %s\n", $have ? "" : "checked", $text{'no'}; print "$text{'proxyndp_2'}\n"; print ""; &iface_field("ext", $_[2]); print " "; local $pers = $_[4] =~ /yes/i; print " $text{'proxyndp_pers'}\n"; printf " %s\n", $pers ? "checked" : "", $text{'yes'}; printf " %s\n", $pers ? "" : "checked", $text{'no'}; } sub proxyndp_validate { &check_ip6address($in{'addr'}) || &error($text{'proxyndp_eaddr'}); return ( $in{'addr'}, $in{'int_def'} ? "-" : $in{'int'}, $in{'ext'}, $in{'have'} ? "yes" : "no", $in{'pers'} ? "yes" : "no" ); } sub proxyndp_columns { return 4 ; } ################################ routestopped ################################## sub routestopped_row { return ( $_[0], $_[1], $_[2] eq '-' || $_[2] eq '' ? $text{'default'} : $_[2], $_[3] eq '-' || $_[3] eq '' ? $text{'tunnels_gnone'} : $_[3] ); } sub routestopped_columns { return 2; } @routestopped_options = ( "routeback", "source", "dest", "critical" ); sub routestopped_form { print " $text{'routestopped_0'}\n"; print ""; &iface_field("iface", $_[0]); print "\n"; local $none = $_[1] eq '' || $_[1] eq '-' || $_[1] eq '0.0.0.0/0'; print "$text{'routestopped_1'}\n"; printf " %s
\n", $none ? "checked" : "", $text{'routestopped_all'}; printf " %s
\n", $none ? "" : "checked", $text{'routestopped_list'}; print " \n"; if (&version_atleast(3)) { print " $text{'routestopped_2'}\n"; print "\n"; &options_input("opts", $_[2], \@routestopped_options); print " \n"; } } sub routestopped_validate { $in{'addr_def'} || $in{'addr'} =~ /\S/ || &error($text{'routestopped_eaddr'}); return ( $in{'iface'}, $in{'addr_def'} ? "-" : join(",", split(/\s+/, $in{'addr'})), join(",", split(/\0/, $in{'opts'})) ); } ################################ tunnels ################################## sub tunnels_row { local $tt = $_[0]; $tt =~ s/^(openvpn|openvpnserver|openvpnclient|generic):.*$/$1/; return ( $text{'tunnels_'.$tt} || $tt, $_[1] eq '-' || $_[1] eq '' ? $text{'routestopped_all'} : $_[1], $_[2], $_[3] ); } sub tunnels_form { print " $text{'tunnels_0'}\n"; print "\n"; print "\n"; print "\n"; print " $text{'tunnels_1'}\n"; print ""; &zone_field("zone", $_[1], 0, 0); print " \n"; local $none = $_[2] eq '' || $_[2] eq '-'; print " $text{'tunnels_2'} \n"; printf " %s\n", $none ? "checked" : "", $text{'default'}; printf " %s\n", $none ? "" : "checked", $text{'tunnels_sel'}; printf " \n", $_[2]; local $none = $_[2] eq '' || $_[2] eq '-'; print " $text{'tunnels_3'} \n"; printf " %s\n", $none ? "checked" : "", $text{'tunnels_gnone'}; printf " %s\n", $none ? "" : "checked", $text{'tunnels_gsel'}; printf " \n", join(" ", split(/,/, $_[3])); } sub tunnels_validate { $in{'gateway_def'} || &check_ip6address($in{'gateway'}) || ($in{'gateway'} =~ /^(\S+)\/(\d+)$/ && &check_ip6address($1)) || &error($text{'tunnels_egateway'}); if (($in{'type'} eq "openvpn") || ($in{'type'} eq "openvpnclient") || ($in{'type'} eq "openvpnserver")) { $in{'tport'} =~ /^\d*$/ || &error($text{'tunnels_eopenvpn'}); $in{'type'} .= ":".$in{'tport'} if ($in{'tport'}); } elsif ($in{'type'} eq 'generic') { $in{'tport'} =~ /^\S+$/ || &error($text{'tunnels_egeneric'}); $in{'type'} .= ":".$in{'tport'}; } return ( $in{'type'}, $in{'zone'}, $in{'gateway_def'} ? '-' : $in{'gateway'}, $in{'gzones_def'} ? '-' : join(",", split(/\s+/, $in{'gzones'})) ); } ################################ hosts ################################## sub hosts_row { return ( $_[0], $_[1] =~ /^(\S+):(\S+)$/ ? ( $1, $2 ) : ( undef, undef ) ); } @host_options = ("routeback", "tcpflags", "ipsec"); sub hosts_form { print " $text{'hosts_0'}\n"; print ""; &zone_field("zone", $_[0], 0, 2); print " \n"; local ($iface, $net) = split(/:/, $_[1]); print " $text{'hosts_1'}\n"; print ""; &iface_field("iface", $iface); print " \n"; print " $text{'hosts_2'}\n"; print " \n"; print " $text{'hosts_opts'} \n"; &options_input("opts", $_[2], \@host_options); print " \n"; } sub hosts_validate { &check_ip6address($in{'net'}) || $in{'net'} =~ /^(\S+)\/(\d+)$/ && &check_ip6address($1) || &error($text{'hosts_enet'}); return ( $in{'zone'}, $in{'iface'}.":".$in{'net'}, join(",", split(/\0/, $in{'opts'})) ); } ################################ blacklist ################################## sub blacklist_row { return ( $_[0] eq '-' ? $text{'blacklist_any'} : $_[0], uc($_[1]) || $text{'blacklist_any'}, $_[2] || $text{'blacklist_any'} ); } @blacklist_protos = ( undef, 'tcp', 'udp', 'dccp', 'sctp', 'udplite' ); sub blacklist_form { print " $text{'blacklist_host'} \n"; local ($mode, $ipset, $mac, $ip); if ($_[0] =~ /^\+(.*)/) { $mode = 2; $ipset = $1; } elsif ($_[0] =~ /^\~(.*)$/) { $mode = 1; $mac = $1; } elsif ($_[0] eq '-') { $mode = 3; } else { $mode = 0; $ip = $_[0]; } print &ui_radio("host_def", $mode, [ [ 0, &text('hosts_ip', &ui_textbox("host", $ip, 30))."
" ], [ 1, &text('hosts_mac', &ui_textbox("mac", $mac, 30))."
" ], [ 3, $text{'hosts_any'}."
" ], [ 2, &text('hosts_ipset', &ui_textbox("ipset", $ipset, 15)) ], ]); print " \n"; print " $text{'blacklist_proto'}\n"; print "\n"; printf " \n", $found ? "" : $_[1]; print " $text{'blacklist_ports'}\n"; print " \n"; } sub blacklist_validate { local $host; if ($in{'host_def'} == 0) { &check_ip6address($in{'host'}) || $in{'host'} =~ /^(\S+)\/(\d+)$/ && &check_ip6address($1) || &error($text{'blacklist_ehost'}); $host = $in{'host'}; } elsif ($in{'host_def'} == 1) { $in{'mac'} =~ s/:/-/g; $in{'mac'} =~ /^[0-9a-f]{2}(\-[0-9a-f]{2}){5}$/ || &error($text{'blacklist_emac'}); $host = "~".$in{'mac'}; } elsif ($in{'host_def'} == 2) { $in{'ipset'} =~ /^\S+$/ || &error($text{'blacklist_eipset'}); $host = "+".$in{'ipset'}; } elsif ($in{'host_def'} == 3) { $host = "-"; } local $proto; if ($in{'proto'} eq '*') { $in{'pother'} =~ /^\d+$/ || defined(getprotobyname($in{'pother'})) || &error($text{'blacklist_eproto'}); $proto = lc($in{'pother'}); } else { $proto = lc($in{'proto'}); } if ($proto eq "tcp" || $proto eq "udp") { $in{'ports'} =~ /^\S+$/ || &error($text{'blacklist_eports'}); } elsif ($in{'ports'}) { &error($text{'blacklist_eports2'}); } return ( $host, $proto, $in{'ports'} ); } ################################ providers ################################## sub providers_row { return ( $_[0], $_[1], $_[2], $_[4], $_[5] ); } @providers_opts = ( "balance", "fallback", "track", "loose", "notrack", "tproxy" ); sub providers_form { print " $text{'providers_name'}\n"; print "\n"; print "$text{'providers_number'}\n"; print " \n"; print " $text{'providers_iface'}\n"; print ""; &iface_field("iface", $_[4]); print "\n"; print "$text{'providers_mark'}\n"; print " \n"; print " $text{'providers_gateway'}\n"; print "\n"; local $ddef = $_[3] eq "-" || $_[3] eq "" ? 0 : $_[3] eq "main" ? 1 : 2; print "$text{'providers_dup'}\n"; print "",&ui_radio("dup_def", $ddef, [ [ 0, $text{'default'} ], [ 1, $text{'providers_main'} ], [ 2, &ui_textbox("dup", $ddef == 2 ? $_[3] : "", 5) ] ]), " \n"; local %opts = map { $_, 1 } split(/,/, $_[6]); print " $text{'providers_opts'} \n"; foreach my $o (@providers_opts) { print &ui_checkbox("opts", $o, $text{'providers_'.$o}, $opts{$o})."
\n"; delete($opts{$o}); } foreach my $o (keys %opts) { print &ui_hidden("opts", $o),"\n"; } print "\n"; print "$text{'providers_copy'}\n"; print " \n"; } sub providers_validate { $in{'name'} =~ /^\S+$/ || &error($text{'providers_ename'}); $in{'number'} =~ /^\d+$/ || &error($text{'providers_enumber'}); $in{'mark'} =~ /^\d+$/ || &error($text{'providers_emark'}); $in{'dup_def'} < 2 || $in{'dup'} =~ /^\S+$/ || &error($text{'providers_edup'}); &check_ip6address($in{'gateway'}) || &error($text{'providers_egateway'}); return ( $in{'name'}, $in{'number'}, $in{'mark'}, $in{'dup_def'} == 0 ? '-' : $in{'dup_def'} == 1 ? 'main' : $in{'dup'}, $in{'iface'}, $in{'gateway'}, join(",", split(/\0/, $in{'opts'})) || "-", $in{'copy'} || "-" ); } ################################ shorewall6.conf ################################## sub conf_form { local ($msg1, $msg2, $msg3, $field1, $field2, $field3, $dummy) = @_; $field1 =~ s/"/"/g; print "$msg1\n"; print "\n"; $field2 =~ s/"/"/g; print "$msg2\n"; print "\n"; $field3 =~ s/"/"/g; print "$msg3\n"; print "\n"; print "\n"; } ################################ shorewall6.conf ################################## sub shorewall6_conf_columns { return 3; } sub shorewall6_conf_form { &conf_form($text{'shorewall6_conf_0'}, $text{'shorewall6_conf_1'}, $text{'shorewall6_conf_2'}, @_); } sub shorewall6_conf_validate { &error($text{'shorewall6_conf_varname'}) unless $in{'var'} =~ /^\w+$/; local $comment = ""; $comment = "\t# ".$in{'comment'} if (exists $in{'comment'} and $in{'comment'} ne ""); return ($in{'var'}.'='.$in{'val'}.$comment); } ################################ params ################################## sub params_columns { return 3; } sub params_form { &conf_form($text{'params_0'}, $text{'params_1'}, $text{'params_2'}, @_); } sub params_validate { &error($text{'params_varname'}) unless $in{'var'} =~ /^\w+$/; local $comment = ""; $comment = "\t# ".$in{'comment'} if (exists $in{'comment'} and $in{'comment'} ne ""); return ($in{'var'}.'='.$in{'val'}.$comment); } ############################################################################# # can_access(file) sub can_access { if ($access{'files'} eq '*') { return 1; } else { local @acc = split(/\s+/, $access{'files'}); return &indexof($_[0], @acc) >= 0; } } # run_before_apply_command() # Runs the before-applying command, if any. If it fails, returns the error # message output sub run_before_apply_command { if ($config{'before_apply_cmd'}) { local $out = &backquote_logged("($config{'before_apply_cmd'}) &1"); return $out if ($?); } return undef; } # run_after_apply_command() # Runs the after-applying command, if any sub run_after_apply_command { if ($config{'after_apply_cmd'}) { &system_logged("($config{'after_apply_cmd'}) /dev/null 2>&1"); } } # list_standard_actions() # Returns a list of standard Shorewall actions sub list_standard_actions { local @rv; foreach my $a (split(/\t+/, $config{'actions'})) { open(ACTIONS, "<".$a); while() { s/\r|\n//g; s/#.*$//; s/\s+$//; if (/\S/) { push(@rv, $_); } } close(ACTIONS); } if (&version_atleast(3)) { # Add built-in actions push(@rv, "allowBcast", "dropBcast", "dropNotSyn", "rejNotSyn", "dropInvalid", "allowInvalid", "allowoutUPnP", "allowinUPnP", "forwardUPnP"); } return &unique(@rv); } # list_standard_macros() # Returns a list of all macro. actions sub list_standard_macros { local @rv; foreach my $a ($config{'config_dir'}, $config{'macros'}) { opendir(DIR, $a); foreach my $f (readdir(DIR)) { push(@rv, $1) if ($f =~ /^macro\.(.*)$/); } closedir(DIR); } return &unique(@rv); } $BETA_STR = "-Beta"; $BETA_NUM = "\.0000\."; # get_shorewall6_version(nocache) sub get_shorewall6_version { local ($nocache) = @_; local $version; if (!$nocache && open(VERSION, "<$module_config_directory/version")) { chop($version = ); close(VERSION); } if (!$version) { local $out = `$config{'shorewall6'} version 2>&1`; $out =~ s/\r//g; $out =~ s/$BETA_STR/$BETA_NUM/i; # Convert beta string to version number. if ($out =~ /(\n|^)([0-9\.]+)\n/) { $version = $2; } } return $version; } sub get_printable_version($) { local $out = $_[0]; $out =~ s/$BETA_NUM/$BETA_STR/i; # Convert version number back to string. return $out; } sub list_protocols { local @stdprotos = ( 'tcp', 'udp', 'ipv6-icmp' ); local @otherprotos; open(PROTOS, ") { s/\r|\n//g; s/#.*$//; push(@otherprotos, $1) if (/^(\S+)\s+(\d+)/); } close(PROTOS); @otherprotos = sort { lc($a) cmp lc($b) } @otherprotos; return &unique(@stdprotos, @otherprotos); } # options_input(name, value, &opts) sub options_input { local ($name, $value, $opts) = @_; local %opts = map { $_, 1 } split(/,/, $value); print "\n"; local $i = 0; foreach my $o (@$opts) { print "\n" if ($i%3 == 0); printf "\n", $o, $opts{$o} ? "checked" : "", $text{'opts_'.$o} || $o; print "\n" if ($i%3 == 2); delete($opts{$o}); $i++; } foreach $o (keys %opts) { print "\n"; } print "
%s
\n"; } 1;