diff --git a/config/rootfiles/common/misc-progs b/config/rootfiles/common/misc-progs index adab51bc1..3c0b398d3 100644 --- a/config/rootfiles/common/misc-progs +++ b/config/rootfiles/common/misc-progs @@ -5,6 +5,7 @@ usr/local/bin/backupctrl usr/local/bin/dhcpctrl usr/local/bin/extrahdctrl usr/local/bin/fireinfoctrl +usr/local/bin/getconntracktable usr/local/bin/getipstat usr/local/bin/getiptstate #usr/local/bin/iowrap diff --git a/config/rootfiles/core/61/filelists/files b/config/rootfiles/core/61/filelists/files index 1624d83b5..9d4c2cc98 100644 --- a/config/rootfiles/core/61/filelists/files +++ b/config/rootfiles/core/61/filelists/files @@ -7,4 +7,5 @@ srv/web/ipfire/cgi-bin/ovpnmain.cgi srv/web/ipfire/cgi-bin/proxy.cgi var/ipfire/general-functions.pl var/ipfire/langs +usr/local/bin/getconntracktable usr/sbin/redirect_wrapper diff --git a/html/cgi-bin/connections.cgi b/html/cgi-bin/connections.cgi index 14ee20910..54089d0bb 100644 --- a/html/cgi-bin/connections.cgi +++ b/html/cgi-bin/connections.cgi @@ -2,7 +2,7 @@ ############################################################################### # # # IPFire.org - A linux based firewall # -# Copyright (C) 2007-2011 IPFire Team # +# Copyright (C) 2007-2012 IPFire Team # # # # 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 # @@ -19,13 +19,10 @@ # # ############################################################################### -my @network=(); -my @masklen=(); -my @colour=(); +use strict; use Net::IPv4Addr qw( :all ); - -use strict; +use Switch; # enable only the following on debugging purpose #use warnings; @@ -35,42 +32,62 @@ require '/var/ipfire/general-functions.pl'; require "${General::swroot}/lang.pl"; require "${General::swroot}/header.pl"; -#workaround to suppress a warning when a variable is used only once -my @dummy = ( ${Header::table1colour} ); -undef (@dummy); +&Header::showhttpheaders(); -# Read various files +my @network=(); +my @masklen=(); +my @colour=(); my %netsettings=(); &General::readhash("${General::swroot}/ethernet/settings", \%netsettings); -open (ACTIVE, '/usr/local/bin/getiptstate |') or die 'Unable to open ip_conntrack'; -my @active = ; -close (ACTIVE); +#workaround to suppress a warning when a variable is used only once +my @dummy = ( ${Header::table1colour} ); +undef (@dummy); + +# Read the connection tracking table. +open(CONNTRACK, "/usr/local/bin/getconntracktable | sort -k 5,5 --numeric-sort --reverse |") or die "Unable to read conntrack table"; +my @conntrack = ; +close(CONNTRACK); + +# Collect data for the @network array. + +# Add Firewall Localhost 127.0.0.1 +push(@network, '127.0.0.1'); +push(@masklen, '255.255.255.255'); +push(@colour, ${Header::colourfw}); if (open(IP, "${General::swroot}/red/local-ipaddress")) { - my $redip = ; - close(IP); - chomp $redip; - push(@network, $redip); - push(@masklen, '255.255.255.255' ); - push(@colour, ${Header::colourfw} ); + my $redip = ; + close(IP); + + chomp $redip; + push(@network, $redip); + push(@masklen, '255.255.255.255'); + push(@colour, ${Header::colourfw}); } -my @vpn = `/usr/local/bin/ipsecctrl I 2>/dev/null|grep erouted|cut -d"]" -f3|cut -d"=" -f4|cut -d";" -f1| sed "s|/| |g"`; - foreach my $route (@vpn) { - chomp($route); - my @temp = split(/[\t ]+/, $route); - if ( $temp[0] eq '$redip' ){next;} - push(@network, $temp[0]); - push(@masklen, $temp[1]); - push(@colour, ${Header::colourvpn} ); - } +# Add STATIC RED aliases +if ($netsettings{'RED_DEV'}) { + my $aliasfile = "${General::swroot}/ethernet/aliases"; + open(ALIASES, $aliasfile) or die 'Unable to open aliases file.'; + my @aliases = ; + close(ALIASES); -my $aliasfile = "${General::swroot}/ethernet/aliases"; -open(ALIASES, $aliasfile) or die 'Unable to open aliases file.'; -my @aliases = ; -close(ALIASES); + # We have a RED eth iface + if ($netsettings{'RED_TYPE'} eq 'STATIC') { + # We have a STATIC RED eth iface + foreach my $line (@aliases) { + chomp($line); + my @temp = split(/\,/,$line); + if ($temp[0]) { + push(@network, $temp[0]); + push(@masklen, $netsettings{'RED_NETMASK'} ); + push(@colour, ${Header::colourfw} ); + } + } + } +} # Add Green Firewall Interface push(@network, $netsettings{'GREEN_ADDRESS'}); @@ -85,32 +102,11 @@ push(@colour, ${Header::colourgreen} ); # Add Green Routes to Array my @routes = `/sbin/route -n | /bin/grep $netsettings{'GREEN_DEV'}`; foreach my $route (@routes) { - chomp($route); - my @temp = split(/[\t ]+/, $route); - push(@network, $temp[0]); - push(@masklen, $temp[2]); - push(@colour, ${Header::colourgreen} ); -} - -# Add Firewall Localhost 127.0.0.1 -push(@network, '127.0.0.1'); -push(@masklen, '255.255.255.255' ); -push(@colour, ${Header::colourfw} ); - -# Add Orange Network -if ($netsettings{'ORANGE_DEV'}) { - push(@network, $netsettings{'ORANGE_NETADDRESS'}); - push(@masklen, $netsettings{'ORANGE_NETMASK'} ); - push(@colour, ${Header::colourorange} ); - # Add Orange Routes to Array - @routes = `/sbin/route -n | /bin/grep $netsettings{'ORANGE_DEV'}`; - foreach my $route (@routes) { - chomp($route); - my @temp = split(/[\t ]+/, $route); - push(@network, $temp[0]); - push(@masklen, $temp[2]); - push(@colour, ${Header::colourorange} ); - } + chomp($route); + my @temp = split(/[\t ]+/, $route); + push(@network, $temp[0]); + push(@masklen, $temp[2]); + push(@colour, ${Header::colourgreen} ); } # Add Blue Firewall Interface @@ -120,304 +116,317 @@ push(@colour, ${Header::colourfw} ); # Add Blue Network if ($netsettings{'BLUE_DEV'}) { - push(@network, $netsettings{'BLUE_NETADDRESS'}); - push(@masklen, $netsettings{'BLUE_NETMASK'} ); - push(@colour, ${Header::colourblue} ); - # Add Blue Routes to Array - @routes = `/sbin/route -n | /bin/grep $netsettings{'BLUE_DEV'}`; - foreach my $route (@routes) { - chomp($route); - my @temp = split(/[\t ]+/, $route); - push(@network, $temp[0]); - push(@masklen, $temp[2]); - push(@colour, ${Header::colourblue} ); - } + push(@network, $netsettings{'BLUE_NETADDRESS'}); + push(@masklen, $netsettings{'BLUE_NETMASK'} ); + push(@colour, ${Header::colourblue} ); + + # Add Blue Routes to Array + @routes = `/sbin/route -n | /bin/grep $netsettings{'BLUE_DEV'}`; + foreach my $route (@routes) { + chomp($route); + my @temp = split(/[\t ]+/, $route); + push(@network, $temp[0]); + push(@masklen, $temp[2]); + push(@colour, ${Header::colourblue} ); + } +} + +# Add Orange Network +if ($netsettings{'ORANGE_DEV'}) { + push(@network, $netsettings{'ORANGE_NETADDRESS'}); + push(@masklen, $netsettings{'ORANGE_NETMASK'} ); + push(@colour, ${Header::colourorange} ); + # Add Orange Routes to Array + @routes = `/sbin/route -n | /bin/grep $netsettings{'ORANGE_DEV'}`; + foreach my $route (@routes) { + chomp($route); + my @temp = split(/[\t ]+/, $route); + push(@network, $temp[0]); + push(@masklen, $temp[2]); + push(@colour, ${Header::colourorange} ); + } } # Add OpenVPN net and RED/BLUE/ORANGE entry (when appropriate) if (-e "${General::swroot}/ovpn/settings") { - my %ovpnsettings = (); - &General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings); - my @tempovpnsubnet = split("\/",$ovpnsettings{'DOVPN_SUBNET'}); + my %ovpnsettings = (); + &General::readhash("${General::swroot}/ovpn/settings", \%ovpnsettings); + my @tempovpnsubnet = split("\/",$ovpnsettings{'DOVPN_SUBNET'}); - # add OpenVPN net - push(@network, $tempovpnsubnet[0]); - push(@masklen, $tempovpnsubnet[1]); - push(@colour, ${Header::colourovpn} ); + # add OpenVPN net + push(@network, $tempovpnsubnet[0]); + push(@masklen, $tempovpnsubnet[1]); + push(@colour, ${Header::colourovpn} ); + # add BLUE:port / proto + if (($ovpnsettings{'ENABLED_BLUE'} eq 'on') && $netsettings{'BLUE_DEV'}) { + push(@network, $netsettings{'BLUE_ADDRESS'} ); + push(@masklen, '255.255.255.255' ); + push(@colour, ${Header::colourovpn}); + } - if ( ($ovpnsettings{'ENABLED_BLUE'} eq 'on') && $netsettings{'BLUE_DEV'} ) { - # add BLUE:port / proto - push(@network, $netsettings{'BLUE_ADDRESS'} ); - push(@masklen, '255.255.255.255' ); - push(@colour, ${Header::colourovpn} ); - } - if ( ($ovpnsettings{'ENABLED_ORANGE'} eq 'on') && $netsettings{'ORANGE_DEV'} ) { - # add ORANGE:port / proto - push(@network, $netsettings{'ORANGE_ADDRESS'} ); - push(@masklen, '255.255.255.255' ); - push(@colour, ${Header::colourovpn} ); - } + # add ORANGE:port / proto + if (($ovpnsettings{'ENABLED_ORANGE'} eq 'on') && $netsettings{'ORANGE_DEV'}) { + push(@network, $netsettings{'ORANGE_ADDRESS'} ); + push(@masklen, '255.255.255.255' ); + push(@colour, ${Header::colourovpn} ); + } } -# Add STATIC RED aliases -if ($netsettings{'RED_DEV'}) { - # We have a RED eth iface - if ($netsettings{'RED_TYPE'} eq 'STATIC') { - # We have a STATIC RED eth iface - foreach my $line (@aliases) - { - chomp($line); - my @temp = split(/\,/,$line); - if ( $temp[0] ) { - push(@network, $temp[0]); - push(@masklen, $netsettings{'RED_NETMASK'} ); - push(@colour, ${Header::colourfw} ); - } - } - } +open(IPSEC, "/var/ipfire/vpn/config"); +my @ipsec = ; +close(IPSEC); + +foreach my $line (@ipsec) { + my @vpn = split(',', $line); + my ($network, $mask) = split("/", $vpn[12]); + + if (!&General::validip($mask)) { + $mask = ipv4_cidr2msk($mask); + } + + push(@network, $network); + push(@masklen, $mask); + push(@colour, ${Header::colourvpn}); } -# Add VPNs -if ( $vpn[0] ne 'none' ) { - foreach my $line (@vpn) { - my @temp = split(/[\t ]+/,$line); - my @temp1 = split(/[\/:]+/,$temp[3]); - push(@network, $temp1[0]); - push(@masklen, ipv4_cidr2msk($temp1[1])); - push(@colour, ${Header::colourvpn} ); - } -} - -#Establish simple filtering&sorting boxes on top of table - -our %cgiparams; -&Header::getcgihash(\%cgiparams); - -my @list_proto = ($Lang::tr{'all'}, 'icmp', 'udp', 'tcp'); -my @list_state = ($Lang::tr{'all'}, 'SYN_SENT', 'SYN_RECV', 'ESTABLISHED', 'FIN_WAIT', - 'CLOSE_WAIT', 'LAST_ACK', 'TIME_WAIT', 'CLOSE', 'LISTEN'); -my @list_mark = ($Lang::tr{'all'}, '[ASSURED]', '[UNREPLIED]'); -my @list_sort = ('orgsip','protocol', 'expires', 'status', 'orgdip', 'orgsp', - 'orgdp', 'exsip', 'exdip', 'exsp', 'exdp', 'marked'); - -# init or silently correct unknown value... -if ( ! grep ( /^$cgiparams{'SEE_PROTO'}$/ , @list_proto )) { $cgiparams{'SEE_PROTO'} = $list_proto[0] }; -if ( ! grep ( /^$cgiparams{'SEE_STATE'}$/ , @list_state )) { $cgiparams{'SEE_STATE'} = $list_state[0] }; -if ( ($cgiparams{'SEE_MARK'} ne $Lang::tr{'all'}) && # ok the grep should work but it doesn't because of - ($cgiparams{'SEE_MARK'} ne '[ASSURED]') && # the '[' & ']' interpreted as list separator. - ($cgiparams{'SEE_MARK'} ne '[UNREPLIED]') # So, explicitly enumerate items. - ) { $cgiparams{'SEE_MARK'} = $list_mark[0] }; -if ( ! grep ( /^$cgiparams{'SEE_SORT'}$/ , @list_sort )) { $cgiparams{'SEE_SORT'} = $list_sort[0] }; -# *.*.*.* or a valid IP -if ( $cgiparams{'SEE_SRC'} !~ /^(\*\.\*\.\*\.\*\.|\d+\.\d+\.\d+\.\d+)$/) { $cgiparams{'SEE_SRC'} = '*.*.*.*' }; -if ( $cgiparams{'SEE_DEST'} !~ /^(\*\.\*\.\*\.\*\.|\d+\.\d+\.\d+\.\d+)$/) { $cgiparams{'SEE_DEST'} = '*.*.*.*' }; - - -our %entries = (); # will hold the lines analyzed correctly -my $unknownlines = ''; # should be empty all the time... -my $index = 0; # just a counter to make unique entryies in entries - -&Header::showhttpheaders(); +# Show the page. &Header::openpage($Lang::tr{'connections'}, 1, ''); &Header::openbigbox('100%', 'left'); &Header::openbox('100%', 'left', $Lang::tr{'connection tracking'}); -# Build listbox objects -my $menu_proto = &make_select ('SEE_PROTO', $cgiparams{'SEE_PROTO'}, @list_proto); -my $menu_state = &make_select ('SEE_STATE', $cgiparams{'SEE_STATE'}, @list_state); - -print < - - - - - - - - - - -
$Lang::tr{'legend'} : $Lang::tr{'lan'}$Lang::tr{'internet'}$Lang::tr{'dmz'}$Lang::tr{'wireless'}IPFire$Lang::tr{'vpn'}$Lang::tr{'OpenVPN'}
-
- - - - - - - - - - - - - - - - - - - - - - +# Print legend. +print < + + + + + + + + + + +
$Lang::tr{'source ip and port'} $Lang::tr{'dest ip and port'} $Lang::tr{'protocol'}$Lang::tr{'connection'}

$Lang::tr{'status'}		$Lang::tr{'expires'}

($Lang::tr{'seconds'})
 $menu_proto$menu_state 
+ $Lang::tr{'legend'} : + + $Lang::tr{'lan'} + + $Lang::tr{'internet'} + + $Lang::tr{'dmz'} + + $Lang::tr{'wireless'} + + IPFire + + $Lang::tr{'vpn'} + + $Lang::tr{'OpenVPN'} +
+
END -; -my $i=0; -foreach my $line (@active) { - $i++; - if ($i < 3) { - next; - } - chomp($line); - my @temp = split(' ',$line); +# Print table header. +print < + + + $Lang::tr{'protocol'} + + + $Lang::tr{'source ip and port'} + +   + + $Lang::tr{'dest ip and port'} + +   + + $Lang::tr{'download'} / +
$Lang::tr{'upload'} + + + $Lang::tr{'connection'}
$Lang::tr{'status'} + + + $Lang::tr{'expires'}
($Lang::tr{'seconds'}) + + +END - my ($sip, $sport) = split(':', $temp[0]); - my ($dip, $dport) = split(':', $temp[1]); - my $proto = $temp[2]; - my $state; my $ttl; - if ( $proto eq "esp" ){$state = "";$ttl = $temp[3];} - elsif ( $proto eq "icmp" ){$state = "";$ttl = $temp[4];} - else{$state = $temp[3];$ttl = $temp[4];} - - next if( !( - (($cgiparams{'SEE_PROTO'} eq $Lang::tr{'all'}) || ($proto eq $cgiparams{'SEE_PROTO'} )) - && (($cgiparams{'SEE_STATE'} eq $Lang::tr{'all'}) || ($state eq $cgiparams{'SEE_STATE'} )) - && (($cgiparams{'SEE_SRC'} eq "*.*.*.*") || ($sip eq $cgiparams{'SEE_SRC'} )) - && (($cgiparams{'SEE_DEST'} eq "*.*.*.*") || ($dip eq $cgiparams{'SEE_DEST'} )) - )); +foreach my $line (@conntrack) { + my @conn = split(' ', $line); - if (($proto eq 'udp') && ($ttl eq '')) { - $ttl = $state; - $state = ' '; - } + # The first bit is the l3 protocol. + my $l3proto = $conn[0]; - my $sipcol = ipcolour($sip); - my $dipcol = ipcolour($dip); + # Skip everything that is not IPv4. + if ($l3proto ne 'ipv4') { + next; + } + + # L4 protocol (tcp, udp, ...). + my $l4proto = $conn[2]; + + if ($l4proto eq 'unknown') { + $l4proto = ''; + } + + # Source and destination. + my $sip; + my $dip; + my $sport; + my $dport; + my @packets; + my @bytes; + + my $ttl = $conn[4]; + my $state; + if ($l4proto eq 'tcp') { + $state = $conn[5]; + } + + # Kick out everything that is not IPv4. + foreach my $item (@conn) { + my ($key, $val) = split('=', $item); + + switch ($key) { + case "src" { + $sip = $val; + } + case "dst" { + $dip = $val; + } + case "sport" { + $sport = $val; + } + case "dport" { + $dport = $val; + } + case "packets" { + push(@packets, $val); + } + case "bytes" { + push(@bytes, $val); + } + } + } + + my $sip_colour = ipcolour($sip); + my $dip_colour = ipcolour($dip); my $sserv = ''; if ($sport < 1024) { - $sserv = uc(getservbyport($sport, lc($proto))); - if ($sserv ne '') { - $sserv = " ($sserv)"; - } + $sserv = uc(getservbyport($sport, lc($l4proto))); + if ($sserv ne '') { + $sserv = " ($sserv)"; + } } my $dserv = ''; if ($dport < 1024) { - $dserv = uc(getservbyport($dport, lc($proto))); - if ($dserv ne '') { - $dserv = " ($dserv)"; - } + $dserv = uc(getservbyport($dport, lc($l4proto))); + if ($dserv ne '') { + $dserv = " ($dserv)"; + } } - print < - - - $sip - - - - - $sport$sserv - - - - - $dip - - - - - $dport$dserv - - - $proto - $state - $ttl - + my $bytes_in = format_bytes($bytes[0]); + my $bytes_out = format_bytes($bytes[1]); + + # Format TTL + $ttl = format_time($ttl); + + print < + $l4proto + + + $sip + + + + + $sport$sserv + + + + + $dip + + + + + $dport$dserv + + + + $bytes_in / $bytes_out + + $state + $ttl + END -; } -print ""; +# Close the main table. +print ""; &Header::closebox(); &Header::closebigbox(); &Header::closepage(); +sub format_bytes($) { + my $bytes = shift; + my @units = ("B", "k", "M", "G", "T"); + + foreach my $unit (@units) { + if ($bytes < 1024) { + return sprintf("%d%s", $bytes, $unit); + } + + $bytes /= 1024; + } + + return sprintf("%d%s", $bytes, $units[$#units]); +} + +sub format_time($) { + my $time = shift; + + my $seconds = $time % 60; + my $minutes = $time / 60; + + my $hours = 0; + if ($minutes >= 60) { + $hours = $minutes / 60; + $minutes %= 60; + } + + return sprintf("%3d:%02d:%02d", $hours, $minutes, $seconds); +} + sub ipcolour($) { - my $id = 0; - my $line; - my $colour = ${Header::colourred}; - my ($ip) = $_[0]; - my $found = 0; - foreach $line (@network) { - if ($network[$id] eq '') { - $id++; - } else { - if (!$found && ipv4_in_network( $network[$id] , $masklen[$id], $ip) ) { - $found = 1; - $colour = $colour[$id]; - } - $id++; - } - } - return $colour -} + my $id = 0; + my $colour = ${Header::colourred}; + my ($ip) = $_[0]; + my $found = 0; -# Create a string containing a complete SELECT html object -# param1: name -# param2: current value selected -# param3: field list -sub make_select ($,$,$) { - my $select_name = shift; - my $selected = shift; - my $select = ""; - return $select; -} - -# Build a list of IP obtained from the %entries hash -# param1: IP field name -sub get_known_ips ($) { - my $field = shift; - my $qs = $cgiparams{'SEE_SORT'}; # switch the sort order - $cgiparams{'SEE_SORT'} = $field; - - my @liste=('*.*.*.*'); - foreach my $entry ( sort sort_entries keys %entries) { - push (@liste, $entries{$entry}->{$field}) if (! grep (/^$entries{$entry}->{$field}$/,@liste) ); - } - - $cgiparams{'SEE_SORT'} = $qs; #restore sort order - return @liste; -} - -# Used to sort the table containing the lines displayed. -sub sort_entries { #Reverse is not implemented - my $qs=$cgiparams{'SEE_SORT'}; - if ($qs =~ /orgsip|orgdip|exsip|exdip/) { - my @a = split(/\./,$entries{$a}->{$qs}); - my @b = split(/\./,$entries{$b}->{$qs}); - ($a[0]<=>$b[0]) || - ($a[1]<=>$b[1]) || - ($a[2]<=>$b[2]) || - ($a[3]<=>$b[3]); - } elsif ($qs =~ /expire|orgsp|orgdp|exsp|exdp/) { - $entries{$a}->{$qs} <=> $entries{$b}->{$qs}; - } else { - $entries{$a}->{$qs} cmp $entries{$b}->{$qs}; - } + return $colour; } 1; diff --git a/src/misc-progs/Makefile b/src/misc-progs/Makefile index 9f1e3f000..300e9ecbb 100644 --- a/src/misc-progs/Makefile +++ b/src/misc-progs/Makefile @@ -32,7 +32,8 @@ SUID_PROGS = setdmzholes setportfw setxtaccess \ wirelessctrl getipstat getiptstate qosctrl launch-ether-wake \ redctrl syslogdctrl extrahdctrl sambactrl upnpctrl tripwirectrl \ smartctrl clamavctrl addonctrl pakfire mpfirectrl wlanapctrl \ - setaliases urlfilterctrl updxlratorctrl fireinfoctrl rebuildroutes + setaliases urlfilterctrl updxlratorctrl fireinfoctrl rebuildroutes \ + getconntracktable SUID_UPDX = updxsetperms install : all @@ -160,3 +161,6 @@ fireinfoctrl: fireinfoctrl.c setuid.o ../install+setup/libsmooth/varval.o rebuildroutes: rebuildroutes.c setuid.o ../install+setup/libsmooth/varval.o $(COMPILE) -I../install+setup/libsmooth/ rebuildroutes.c setuid.o ../install+setup/libsmooth/varval.o -o $@ + +getconntracktable: getconntracktable.c setuid.o ../install+setup/libsmooth/varval.o + $(COMPILE) -I../install+setup/libsmooth/ getconntracktable.c setuid.o ../install+setup/libsmooth/varval.o -o $@ diff --git a/src/misc-progs/getconntracktable.c b/src/misc-progs/getconntracktable.c new file mode 100644 index 000000000..674b211b5 --- /dev/null +++ b/src/misc-progs/getconntracktable.c @@ -0,0 +1,31 @@ +/* IPFire helper program - getconntracktable + * + * This program is distributed under the terms of the GNU General Public + * Licence. See the file COPYING for details. + * + * The kernel's connection tracking table is not readable by + * non-root users. So this helper will just read and output it. + */ + +#include +#include +#include "setuid.h" + +int main(void) { + if (!(initsetuid())) + exit(1); + + FILE *fp = fopen("/proc/net/nf_conntrack", "r"); + if (fp == NULL) { + exit(1); + } + + /* Read content line by line and write it to stdout. */ + char linebuf[STRING_SIZE]; + while (fgets(linebuf, STRING_SIZE, fp)) { + printf("%s", linebuf); + } + + fclose(fp); + return 0; +}