aredn/files/www/cgi-bin/perlfunc.pm

1934 lines
51 KiB
Perl

=for comment
Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
Copyright (C) 2015 Conrad Lara
See Contributors file for additional contributors
Copyright (c) 2013 David Rivenburg et al. BroadBand-HamNet
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 version 3 of the License.
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/>.
Additional Terms:
Additional use restrictions exist on the AREDN(TM) trademark and logo.
See AREDNLicense.txt for more info.
Attributions to the AREDN Project must be retained in the source code.
If importing this code into a new or existing project attribution
to the AREDN project must be added to the source code.
You must not misrepresent the origin of the material contained within.
Modified versions must be modified to attribute to the original source
and be marked in reasonable ways as differentiate it from the original
version.
=cut
##########################
# html functions
# emit the http server response
sub http_header
{
# THIS MUST BE ONE LINE!
# otherwise an intermittent busybox bug will incorrectly "fix" the generated output
# print "HTTP/1.0 200 OK\r\n"; # Not needed under Uhttpd
print "Content-type: text/html\r\n";
print "Cache-Control: no-store\r\n";
print "\r\n";
}
# begin html page
sub html_header
{
my($title, $close) = @_;
print "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n";
print "<html>\n";
print "<head>\n";
print "<title>$title</title>\n";
print "<meta http-equiv='expires' content='0'>\n";
print "<meta http-equiv='cache-control' content='no-cache'>\n";
print "<meta http-equiv='pragma' content='no-cache'>\n";
print "<meta name='robots' content='noindex'>";
# set up the style sheet
mkdir "/tmp/web" unless -d "/tmp/web"; # make sure /tmp/web exists
symlink "/www/aredn.css","/tmp/web/style.css" unless -l "/tmp/web/style.css"; # default to aredn.css
# Prevent browser caching of the css file
my $rnum=`date +%s`;
chomp($rnum);
print "<link id='stylesheet_css' rel=StyleSheet href='/style.css?", $rnum, "' type='text/css'>\n";
print "</head>\n" if $close;
}
# print the navigation bar
sub navbar
{
my($current) = @_;
$current = "" unless $current;
my @pages = qw(status setup ports vpn vpnc admin advancedconfig);
my %titles = (status => "Node Status",
setup => "Basic Setup",
ports => "Port Forwarding,<br>DHCP, and Services",
vpn => "Tunnel<br>Server",
vpnc => "Tunnel<br>Client",
admin => "Administration",
advancedconfig => "Advanced<br>Configuration");
#my($active_bg, $active_fg);
#if(-f "/tmp/.night") { $active_bg = "red"; $active_fg = "black" }
#else { $active_bg = "black"; $active_fg = "white" }
print "<hr><table cellpadding=5 border=0 width=100%><tr>\n";
foreach $page (@pages)
{
print "<td align=center width=15%";
print " class=navbar_select" if $page eq $current;
print "><a href='$page'>", $titles{$page}, "</a></td>\n";
}
print "</tr></table><hr>\n";
}
# put the submitted parameters into a hash
# (from $ENV{QUERY_STRING} in a method=get form)
sub read_query_string
{
return unless $ENV{QUERY_STRING};
foreach(split "&", $ENV{QUERY_STRING})
{
my ($parm, $val) = /(\w+)=(.*)/;
$val =~ s/\+/ /g;
if($val =~ /^([^%]*)%(\w\w)(.*)/) # convert hex values
{
my $val2 = "";
while($val =~ /^([^%]*)%(\w\w)(.*)/)
{
$val2 .= $1 . chr hex $2;
$val = $3;
}
$val2 .= $val;
$val = $val2;
}
$parms{$parm} = $val;
}
}
# c-style fgets for read_postdata
$stdinbuffer = "";
sub fgets
{
my($size) = @_;
my $line = "";
while(1)
{
unless(length $stdinbuffer)
{
return "" unless read STDIN, $stdinbuffer, $size;
}
my ($first, $cr) = $stdinbuffer =~ /^([^\n]*)(\n)?/;
$cr = "" unless $cr;
$line .= $first . $cr;
$stdinbuffer = substr $stdinbuffer, length "$first$cr";
if($cr or length $line >= $size)
{
if(0)
{
$line2 = $line;
$line2 =~ s/\r/\\r/;
$line2 =~ s/\n/\\n/;
push @parse_errors, "[$line2]";
}
return $line;
}
}
}
# read postdata
# (from STDIN in method=post form)
sub read_postdata
{
my ($pdc) = @_;
if ( $ENV{REQUEST_METHOD} != "POST" || !$ENV{CONTENT_LENGTH}){ return; };
my ($line, $parm, $file, $handle, $tmp);
my $state = "boundary";
my ($boundary) = $ENV{CONTENT_TYPE} =~ /boundary=(\S+)/ if $ENV{CONTENT_TYPE};
my $parsedebug = 0;
push(@parse_errors, "[$boundary]") if $parsedebug;
while(length ($line = fgets(1000)))
{
$line =~ s/[\r\n]+$//; # chomp doesn't strip \r!
#print "[$state] $line<br>\n";
if($state eq "boundary" and $line =~ /^--$boundary(--)?$/)
{
last if $line eq "--$boundary--";
$state = "cdisp";
}
elsif($state eq "cdisp")
{
my $prefix = "Content-Disposition: form-data;";
if(($parm, $file) = $line =~ /^$prefix name="(\w+)"; filename="(.*)"$/)
{
# file upload
$parms{$parm} = $file;
if($file && $pdc->{acceptfile}) { $state = "ctype" }
else { $state = "boundary" }
}
elsif(($parm) = $line =~ /^$prefix name="(\w+)"$/)
{
# form parameter
$line = fgets(10);
push(@parse_errors, "not blank: '$line'") unless $line eq "\r\n";
$line = fgets(1000);
if($parm =~ 'description_node') {
$line = substr($line, 0, 210);
$line =~ s/'/&apos;/g;
$line =~ s/</&lt;/g;
$line =~ s/>/&gt;/g;
}
$line =~ s/[\r\n]+$//;
$parms{$parm} = $line;
$state = "boundary";
}
else
{
# oops, don't know what this is
push @parse_errors, "unknown line: '$line'";
}
}
elsif($state eq "ctype") # file upload happens here
{
push(@parse_errors, "unexpected: '$line'") unless $line =~ /^Content-Type: /;
$line = fgets(10);
push(@parse_errors, "not blank: '$line'") unless $line eq "\r\n";
$tmp = "";
# Put us in upgrade mode (purge files, shutdown services)
system("/usr/local/bin/uploadctlservices","upgrade");
system "mkdir -p /tmp/web/upload";
open($handle, ">/tmp/web/upload/file");
while(1)
{
# get the next line from the form
$line = fgets(1000);
last unless length $line;
last if $line =~ /^--$boundary(--)?\r\n$/;
# make sure the trailing \r\n doesn't get into the file
print $handle $tmp;
$tmp = "";
if($line =~ /\r\n$/)
{
$line =~ s/\r\n$//;
$tmp = "\r\n";
}
print $handle $line;
}
close($handle);
last if $line eq "--$boundary--\r\n";
$state = "cdisp";
}
}
push(@parse_errors, `md5sum /tmp/web/upload/file`) if $parsedebug and $handle;
}
# generate a selector box option
sub selopt
{
my($label, $value, $select, $opt) = @_;
print "<option value=$value";
print " selected" if $value eq $select;
print " $opt" if $opt;
print ">$label</option>\n";
}
# generate a selector box option with preformatted spacing
sub selopt_pre
{
my($label, $value, $select, $opt) = @_;
print "<option value=$value";
print " selected" if $value eq $select;
print " $opt" if $opt;
print " style='font-family:monospace;white-space:pre'>$label</option>\n";
}
# display internal data for debugging
sub show_debug_info
{
return unless $debug;
print "<b>env</b><br>\n";
foreach(sort keys %ENV) { print "$_ = $ENV{$_}<br>\n" }
print "<br><br><b>parms</b><br>\n";
foreach(sort keys %parms)
{
$tmp = $parms{$_};
$tmp =~ s/ /\(space\)/g;
if($parms{$_} eq "") { print "$_ = (null)<br>\n" }
else { print "$_ = $tmp<br>\n" }
}
}
# report any form parsing errors
sub show_parse_errors
{
return unless @parse_errors;
print "<h3>Internal Error. Send the following information to ad5oo\@arrl.net</h3>\n";
print "<pre>\n";
foreach(@parse_errors) { print "$_\n" }
print "</pre>";
}
# show the reboot page, redirect to $link, and reboot
sub reboot_page
{
my ($link) = @_;
my($lanip, $lanmask, $junk, $lannet);
my $node = nvram_get("node");
$node = "Node" if $node eq "";
$link = "/cgi-bin/status" unless $link;
# is the browser coming from the lan?
($lanip, $lanmask, $junk, $lannet) = &get_ip4_network(get_interface("lan"));
my($browser) = $ENV{REMOTE_ADDR} =~ /::ffff:([\d\.]+)/;
my $fromlan = validate_same_subnet($browser, $lanip, $lanmask);
$junk = ""; # dummy to avoid warning
# detect a LAN subnet change
my $subnet_change = 0;
if($fromlan)
{
&load_openwrt_config("/etc/config/network");
$lannet = ip2decimal($lannet);
$lanmask = ip2decimal($lanmask);
my $cfgip = ip2decimal($openwrt{network}{interface}{lan}{ipaddr});
my $cfgmask = ip2decimal($openwrt{network}{interface}{lan}{netmask});
$subnet_change = 1 if $lanmask != $cfgmask or $lannet != ($cfgip & $cfgmask);
}
# print the page
http_header();
if($fromlan and $subnet_change)
{
html_header("$node rebooting", 1);
print "<body><center>\n";
print "<h1>$node is rebooting</h1><br>\n";
print "<h3>The LAN subnet has changed. You will need to acquire a new DHCP lease<br>";
print "and reset any name service caches you may be using.</h3><br>\n";
print "<h3>When the node reboots you get your new DHCP lease and reconnect with<br>\n";
print "<a href='http://localnode.local.mesh:8080/'>http://localnode.local.mesh:8080/</a><br>or<br>\n";
print "<a href='http://$node.local.mesh:8080/'>http://$node.local.mesh:8080/</a></h3>\n";
}
else
{
html_header("$node rebooting", 0);
print "<meta http-equiv='refresh' content='60;url=$link'>\n";
print "</head><body><center>\n";
print "<h1>$node is rebooting</h1><br>\n";
print "<h3>Your browser should return to this node in 60 seconds.</br><br>\n";
print "If something goes astray you can try to connect with<br><br>";
print "<a href='http://localnode.local.mesh:8080/'>http://localnode.local.mesh:8080/</a><br>\n";
print "or<br><a href='http://$node.local.mesh:8080/'>http://$node.local.mesh:8080/</a></h3>\n" if $node ne "Node";
}
print "</center></body></html>";
system "/sbin/reboot" unless $debug;
exit;
}
# word wrap a list of text strings
sub word_wrap
{
my $len = shift;
my @output = ();
foreach(@_)
{
my $str = $_;
while(length $str > $len)
{
my $str1 = substr $str, 0, $len;
my $str2 = substr $str, $len;
if($str1 =~ /^(.*)\s(\S+)$/)
{
push @output, "$1\n";
$str = $2 . $str2;
}
else
{
push @output, "$str1\n";
$str = $str2;
}
}
push @output, $str;
}
return @output;
}
#############################
# system interaction
# read an nvram variable
sub nvram_get_old
{
my ($var) = @_;
return "ERROR" if not defined $var;
chomp($var = `nvram get $var`);
return $var;
}
# set an nvram variable
sub nvram_set_old
{
my ($var, $val) = @_;
return "ERROR" if not defined $val;
return system "nvram set $var='$val'";
}
# Replace the /etc/nvram file used by 1.0.0 Linksys
# with the backfire uci command due to an observed race condition
#
# read an nvram variable
sub nvram_get
{
my ($var) = @_;
return "ERROR" if not defined $var;
chomp($var = `uci -c /etc/local/uci/ -q get hsmmmesh.settings.$var`);
return $var;
}
# set an nvram variable
sub nvram_set
{
my ($var, $val) = @_;
return "ERROR" if not defined $val;
system "uci -c /etc/local/uci/ set hsmmmesh.settings.$var='$val'";
system "uci -c /etc/local/uci/ commit";
}
# return the ipv4 network parameters of the given interface or "none"
sub get_ip4_network
{
my($ip, $mask, $bcast, $net, $cidr);
foreach(`ifconfig $_[0]`)
{
next unless /inet addr:([\d\.]+) Bcast:([\d\.]+) Mask:([\d\.]+)/;
($ip, $bcast, $mask) = ($1, $2, $3);
last;
}
return ("none") unless defined $ip;
my $dmask = ip2decimal($mask);
$net = decimal2ip(ip2decimal($ip) & $dmask);
$cidr = 0;
for(my $i = 31; $i >= 0 and ($dmask & (1 << $i)); $i--) { $cidr++ }
return ($ip, $mask, $bcast, $net, $cidr);
}
# return the ipv6 address and scope of the given interface or "none"
sub get_ip6_addr
{
my $ip = "none";
my $scope = "";
foreach(`ifconfig $_[0]`)
{
next unless /inet6 addr: ([\w:]+)\/\d+ Scope:(\w+)/;
($ip, $scope) = ($1, $2);
last;
}
return "$ip $scope";
}
# return the address of the default gateway or "none"
# currently assumes ipv4
sub get_default_gw
{
my $gw = "none";
# Table 31 is populated by OLSR
foreach(`ip route list table 31`)
{
next unless /^default\svia\s([\d\.]+)/;
$gw = $1;
last;
}
# However a node with a wired default gw will route via that instead
foreach(`ip route list table 254`)
{
next unless /^default\svia\s([\d\.]+)/;
$gw = $1;
last;
}
return $gw;
}
# return the hostname for the given ip address or ""
sub ip2hostname
{
my ($ip) = @_;
my $host;
return "" unless $ip;
return "" if $ip eq "none";
$reverse_ip=join ".",reverse(split /\./,$ip);
foreach(`nslookup $ip`)
{
next unless ($host) = /^$reverse_ip\.in-addr\.arpa[ \t]+name[ \t]+=[ \t]+(\S+)\.local\.mesh/;
return $host;
}
return "";
}
# return the hostname and tactical name for a mesh node
sub mesh_ip2hostname
{
my ($ip) = @_;
my @list;
my $host;
return "" unless $ip;
return "" if $ip eq "none";
foreach(`grep $ip /etc/hosts 2>/dev/null`)
{
next unless ($host) = /^$ip\s+(.*)/;
return (join " / ", (split /\s+/, $host));
}
foreach(`grep $ip /var/run/hosts_olsr 2>/dev/null`)
{
next unless ($host) = /^$ip\s+([\w\-]+)/;
push @list, $host;
}
return join " / ", @list;
}
# return the hostname and tactical name for this node
#sub get_nodenames
#{
# my $host = `grep "option 'hostname' /etc/config/system | awk '{print \$3}'`;
# my $tac = `grep "option 'tactical' /etc/config/system | awk '{print \$3}'`;
# $host =~ s/[\"\'\n]//g;
# $tac =~ s/[\"\'\n]//g;
# return ($host, $tac);
#}
# return the mac address for the given interface
sub get_mac
{
my ($intf) = @_;
my $mac = "";
return "" unless $intf;
foreach(`ifconfig $intf 2>/dev/null`)
{
next unless /^\S+ .*HWaddr (\S+)/;
$mac = $1;
}
return $mac;
}
sub get_wlan2phy
{
my $wlan = shift;
my $phy = "";
return "phy0" unless $wlan;
foreach(`iwinfo $wlan info`)
{
next unless /^.*PHY name:\s*([a-z0-4]+)/;
$phy = $1;
}
return $phy;
}
# load the setup file
sub load_cfg
{
#my $mac2 = nvram_get("mac2");
my $node = nvram_get("node");
my $mac2 = mac2ip(get_mac(get_interface("wifi")), 0);
my $dtdmac = mac2ip(get_mac(get_interface("lan")), 0);
open(FILE, $_[0]) or return 0;
while(defined ($line = <FILE>))
{
next if $line =~ /^\s*#/;
next if $line =~ /^\s*$/;
$line =~ s/<NODE>/$node/;
$line =~ s/<MAC2>/$mac2/;
$line =~ s/<DTDMAC>/$dtdmac/;
$line =~ /^(\w+)\s*=\s*(.*)$/;
$cfg{$1} = $2;
}
close(FILE);
return 1;
}
# save the setup file and generate the full configuration
sub save_setup
{
# save the parms to the setup file
open(FILE, ">$_[0]") or return 0;
foreach(sort keys %parms)
{
next unless /^(aprs|dhcp|dmz|lan|olsrd|wan|wifi|wifi2|dtdlink|ntp|time|description)_/;
print FILE "$_ = $parms{$_}\n";
}
close(FILE);
# set the nvram parameters
nvram_set("node", $parms{node});
nvram_set("tactical", $parms{tactical});
nvram_set("config", $parms{config});
# generate the system config files
system "mkdir -p /tmp/web/save";
$rc = system "/usr/local/bin/node-setup -a $parms{config} >/tmp/web/save/node-setup.out 2>&1";
return 0 if $rc or -s "/tmp/web/save/node-setup.out";
system "rm -rf /tmp/web/save";
# change system and web passwords
$passwd2 = $passwd1;
$passwd2 =~ s/'/'\\''/g;
system "/usr/local/bin/setpasswd '$passwd2' >/dev/null 2>&1" if $passwd1;
system "touch /tmp/reboot-required";
return 1;
}
sub get_wifi_signal
{
my $wifiintf = `uci -q get network.wifi.ifname`;
chomp $wifiintf;
my $phy = get_wlan2phy("$wifiintf");
my ($SignalLevel) = "N/A";
my ($NoiseFloor) = "N/A";
foreach(`iwinfo $wifiintf assoclient`)
{
next unless /.+[A-F0-9]{2}:[A-F0-9]{2}:[A-F0-9]{2}\s+([-]?[\d]+)/;
if ( $SignalLevel <= "$1" || $SignalLevel == "N/A" )
{
$SignalLevel=$1;
}
}
if ( $NoiseFloor == "N/A" )
{
foreach(`iwinfo $wifiintf info | grep Signal`)
{
next unless /([\d\-]+) dBm\w*$/;
$NoiseFloor=$1;
}
}
if ( $SignalLevel == "N/A" || $NoiseFloor == "N/A" )
{
return ("N/A","N/A");
}
else {
return ($SignalLevel, $NoiseFloor);
}
}
sub get_free_space
{
my $dir = $_[0];
foreach(`df -k $dir`)
{
next unless /$dir$/;
my @tmp = split /\s+/, $_;
return $tmp[3];
}
return "N/A";
}
sub get_free_mem
{
foreach(`free`)
{
next unless /^Mem[:]/;
my @tmp = split /\s+/, $_;
return $tmp[3] + $tmp[5];
}
return "N/A";
}
# this works for the "/etc/config/network" file
# other files can use other schemas so this function is not universal
sub load_openwrt_config
{
my ($file) = @_;
my $base = $file;
$base =~ s/^.*\///;
my($section, $name) = ();
foreach(`cat $file 2>/dev/null`)
{
next if /^\s*$/;
next if /^\s*\#/;
if(/^config\s+(\w+)\s+(\w+)/)
{
($section, $name) = ($1, $2);
next;
}
next unless $section and $name;
if(my($opt, $val) = /^\s+option\s+(\w+)\s+(\S+.*)/)
{
$val =~ s/^"//;
$val =~ s/\s+$//;
$val =~ s/"$//;
$openwrt{$base}{$section}{$name}{$opt} = $val;
}
}
}
#############################
# ip address functions
# add the given value to the last octet
sub add_ip_address
{
my($address, $add) = @_;
my($prefix, $last) = $address =~ /^(.*)\.(\d+)$/;
return "error" unless defined $last;
$last += $add;
return "error" if $last < 0 or $last > 255;
return "$prefix.$last";
}
# substitute the given value for the last octet
sub change_ip_address
{
my($address, $value) = @_;
my($prefix) = $address =~ /^(.*)\.\d+$/;
return "error" unless defined $prefix;
return "$prefix.$value";
}
# convert dotted quad to 32 bit value
sub ip2decimal
{
my($address) = @_;
my $sum = 0;
foreach(split /[.]/, $address)
{
$sum *= 256;
$sum += $_;
}
return $sum;
}
# convert 32 bit value to dotted quad
sub decimal2ip
{
my($sum) = @_;
my @parts;
for(my $i = 0; $i < 4; $i++)
{
push @parts, $sum & 255;
$sum >>= 8;
}
return join ".", reverse @parts;
}
# convert a left shifted mac address into 3 IP address octets
sub mac2ip
{
my ($mac, $shiftbits) = @_;
my $val = 0;
my $str;
foreach($mac =~ /\w\w:\w\w:\w\w:(\w\w):(\w\w):(\w\w)/)
{
$val <<= 8;
$val += hex $_;
}
$val <<= $shiftbits;
return sprintf "%d.%d.%d",
($val & 0xff0000) >> 16,
($val & 0xff00) >> 8,
$val & 0xff;
}
#############################
# input validation
sub validate_node
{
my ($node) = @_;
return 0 unless $node =~ /^\w\-$/;
return 0 if $node =~ /_/;
return 1;
}
sub validate_ip
{
my($ip) = @_;
$ip =~ s/\s//g;
return 0 if $ip eq "0.0.0.0";
return 0 if $ip eq "255.255.255.255";
my $count = 0;
foreach($ip =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)
{
++$count if $_ < 256;
}
return 0 unless $count == 4;
return 1;
}
sub validate_netmask
{
my($mask) = @_;
$mask =~ s/\s//g;
return 0 if $mask eq "0.0.0.0";
my $count = 0;
my $bitmask = "";
foreach my $val ($mask =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/)
{
++$count if $val < 256;
for(my $i = 0; $i < 8; ++$i)
{
my $bit = 128 >> $i;
if($val & $bit) { $bitmask .= "1" }
else { $bitmask .= "0" }
}
}
return 0 unless $bitmask =~ /^1+0*$/;
return 0 unless $count == 4;
return 1;
}
# verify that the address is neither the network
# nor broadcast address for this subnet
sub validate_ip_netmask
{
my($ip, $mask) = @_;
return 0 unless validate_ip($ip);
return 0 unless validate_netmask($mask);
$ip = ip2decimal($ip);
$mask = ip2decimal($mask);
my $notmask = 0xffffffff - $mask;
return 0 if ($ip & $notmask) == 0;
return 0 if ($ip & $notmask) == $notmask;
return 1;
}
# verify that two addresses are in the same subnet
sub validate_same_subnet
{
my($addr1, $addr2, $mask) = @_;
$addr1 = ip2decimal($addr1);
$addr2 = ip2decimal($addr2);
$mask = ip2decimal($mask);
return 1 if ($addr1 & $mask) == ($addr2 & $mask);
return 0;
}
sub validate_mac
{
my($mac) = @_;
$mac = lc $mac;
$mac =~ s/^\s+//;
$mac =~ s/\s+$//;
return 0 unless length $mac == 17;
for(my $i = 0; $i < 17; $i++)
{
my $ch = chop $mac;
if(($i + 1) % 3) { return 0 unless $ch =~ /[0-9a-f]/ }
else { return 0 unless $ch eq ":" }
}
return 1;
}
sub validate_hostname
{
my($host) = @_;
$host =~ s/^\s+//;
$host =~ s/\s+$//;
return 0 if $host =~ /_/;
return 1 if $host =~ /^[\w\-]+$/;
return 0;
}
# validate_fqdn from http://stackoverflow.com/questions/106179/regular-expression-to-match-dns-hostname-or-ip-address
sub validate_fqdn {
my $testval = shift(@_);
( $testval =~ m/^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]+)\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$/ )
? return 1
: return 0;
}
sub validate_port
{
my($port) = @_;
$port =~ s/^\s+//;
$port =~ s/\s+$//;
return 0 if $port eq "";
return 0 if $port =~ /\D/;
return 0 if $port < 1 or $port > 65535;
return 1;
}
sub validate_port_range
{
my($port) = @_;
my($port1, $port2);
return 0 unless ($port1, $port2) = $port =~ /^\s*(\d+)\s*-\s*(\d+)\s*$/;
return 0 unless validate_port($port1);
return 0 unless validate_port($port2);
return 0 unless $port2 > $port1;
return 1;
}
sub validate_service_name
{
my($name) = @_;
return 0 if $name eq "";
return 0 if $name =~ /[:'"|]/;
return 0 unless $name =~ /[^|[:cntrl:]]+$/;
return 1;
}
sub validate_service_protocol
{
my($proto) = @_;
return 0 if $proto eq "";
return 0 if $name =~ /[:'"|]/;
return 0 unless $proto =~ /^[[:alnum:]]+$/;
return 1;
}
sub validate_service_suffix
{
my($suffix) = @_;
# protects against parsing errors in the config files and html
return 0 if $suffix =~ /[:'"|]/;
# checks if string meets critera specified by nameservice module
return 0 unless $suffix =~ /^[[:alnum:]\/?._=#-]*$/;
return 1;
}
sub validate_latitude
{
my($lat) = @_;
return 0 unless defined $lat;
$lat =~ s/^\s+//;
$lat =~ s/\s+$//;
return 0 if $lat =~ /[^\d\.\-]/;
return 0 if $lat < -90 or $lat > 90;
return 1;
}
sub validate_longitude
{
my($lon) = @_;
return 0 unless defined $lon;
$lon =~ s/^\s+//;
$lon =~ s/\s+$//;
return 0 if $lon =~ /[^\d\.\-]/;
return 0 if $lon < -180 or $lat > 180;
return 1;
}
# Get boardid
sub hardware_boardid
{
my $boardid="";
# Ubiquiti hardware
if ( -f '/sys/devices/pci0000:00/0000:00:00.0/subsystem_device' ) {
$boardid = `cat /sys/devices/pci0000:00/0000:00:00.0/subsystem_device`;
chomp($boardid);
}
if ( $boardid eq "0x0000" || $boardid eq "" ) {
# Can't use the subsystem_device so instead use the model
$boardid = `/usr/local/bin/get_boardid`;
chomp($boardid);
}
return $boardid;
}
# Return a hashref with device details
sub hardware_info
{
%model = (
'GL.iNet GL-AR150' => {
'name' => 'GL.iNet GL-AR150',
'comment' => '',
'supported' => '1',
'maxpower' => '18',
'pwroffset' => '0',
'usechains' => 0,
'rfband' => '2400',
},
'GL.iNet GL-USB150' => {
'name' => 'GL.iNet GL-USB150',
'comment' => '',
'supported' => '1',
'maxpower' => '20',
'pwroffset' => '0',
'usechains' => 0,
'rfband' => '2400',
},
'TP-Link CPE210 v1.0' => {
'name' => 'TP-Link CPE210 v1.0',
'comment' => '',
'supported' => '1',
'maxpower' => '23',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
'chanpower' => { 1 => '22', 14 => '23' },
},
'TP-Link CPE210 v1.1' => {
'name' => 'TP-Link CPE210 v1.1',
'comment' => '',
'supported' => '1',
'maxpower' => '23',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
'chanpower' => { 1 => '22', 14 => '23' },
},
'TP-Link CPE210 v2.0' => {
'name' => 'TP-Link CPE210 v2.0',
'comment' => '',
'supported' => '1',
'maxpower' => '29',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
'chanpower' => { 1 => '27', 2 => '28', 9 => '29', 14 => '27' },
},
'TP-Link CPE210 v3.0' => {
'name' => 'TP-Link CPE210 v3.0',
'comment' => '',
'supported' => '1',
'maxpower' => '25',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
'chanpower' => { 1 => '21', 2 => '25', 11 => '18' },
},
'TP-Link CPE220 v2.0' => {
'name' => 'TP-Link CPE220 v2.0',
'comment' => '',
'supported' => '1',
'maxpower' => '30',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
'chanpower' => { 1 => '25', 2 => '28', 11 => '27' },
},
'TP-Link CPE220 v3.0' => {
'name' => 'TP-Link CPE220 v3.0',
'comment' => '',
'supported' => '1',
'maxpower' => '30',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
'chanpower' => { 1 => '25', 2 => '28', 11 => '27' },
},
'TP-Link CPE510 v1.0' => {
'name' => 'TP-Link CPE510 v1.0',
'comment' => '',
'supported' => '1',
'maxpower' => '23',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
'chanpower' => { 48 => '10', 149 => '17', 184 => '23' },
},
'TP-Link CPE510 v1.1' => {
'name' => 'TP-Link CPE510 v1.1',
'comment' => '',
'supported' => '1',
'maxpower' => '26',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
'chanpower' => { 140 => '17', 184 => '26' },
},
'TP-Link CPE510 v2.0' => {
'name' => 'TP-Link CPE510 v2.0',
'comment' => '',
'supported' => '1',
'maxpower' => '26',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
'chanpower' => { 140 => '17', 184 => '26' },
},
'TP-Link CPE510 v3.0' => {
'name' => 'TP-Link CPE510 v3.0',
'comment' => '',
'supported' => '1',
'maxpower' => '26',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
'chanpower' => { 140 => '17', 184 => '26' },
},
'TP-Link CPE610 v1.0' => {
'name' => 'TP-Link CPE610 v1.0',
'comment' => '',
'supported' => '1',
'maxpower' => '30',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
'chanpower' => { 133 => '15', 141 => '26', 143 => '25' , 149 => '15' , 165 => '14', 166 => '25' },
},
'TP-Link WBS210 v1.20' => {
'name' => 'TP-Link WBS210 v1.20',
'comment' => '',
'supported' => '1',
'maxpower' => '27',
'pwroffset' => '0',
'usechains' => '1',
'rfband' => '2400',
'chanpower' => { 1 => '13', 10 => '18', 11 => '13', 14 => '27' },
},
'Mikrotik RouterBOARD 911G-5HPnD' => {
'name' => 'Mikrotik RouterBOARD 911G-5HPnD',
'comment' => '',
'supported' => '1',
'maxpower' => '30',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'MikroTik RouterBOARD 952Ui-5ac2nD' => {
'name' => 'MikroTik RouterBOARD 952Ui-5ac2nD',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
},
'MikroTik RouterBOARD RB952Ui-5ac2nD' => {
'name' => 'MikroTik RouterBOARD RB952Ui-5ac2nD',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
},
'Mikrotik RouterBOARD 912UAG-2HPnD' => {
'name' => 'Mikrotik RouterBOARD 912UAG-2HPnD',
'comment' => '',
'supported' => '1',
'maxpower' => '30',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '2400',
},
'Mikrotik RouterBOARD 912UAG-5HPnD' => {
'name' => 'Mikrotik RouterBOARD 912UAG-5HPnD',
'comment' => '',
'supported' => '1',
'maxpower' => '30',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'MikroTik RouterBOARD LDF-5nD' => {
'name' => 'MikroTik RouterBOARD LDF-5nD',
'comment' => '',
'supported' => '1',
'maxpower' => '25',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'MikroTik RouterBOARD RBLDF-5nD' => {
'name' => 'MikroTik RouterBOARD RBLDF-5nD',
'comment' => '',
'supported' => '1',
'maxpower' => '25',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'MikroTik RouterBOARD LHG 5nD' => {
'name' => 'MikroTik RouterBOARD LHG 5nD',
'comment' => '',
'supported' => '1',
'maxpower' => '25',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'MikroTik RouterBOARD LHG 5HPnD' => {
'name' => 'MikroTik RouterBOARD LHG 5HPnD',
'comment' => '',
'supported' => '1',
'maxpower' => '28',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'MikroTik RouterBOARD LHG 5HPnD-XL' => {
'name' => 'MikroTik RouterBOARD LHG 5HPnD-XL',
'comment' => '',
'supported' => '1',
'maxpower' => '28',
'pwroffset' => '0',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe005' => {
'name' => 'NanoStation M5',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe009' => {
'name' => 'NanoStation Loco M9',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '6',
'usechains' => 1,
'rfband' => '900',
},
'0xe012' => {
'name' => 'NanoStation M2',
'comment' => '',
'supported' => '1',
'maxpower' => '18',
'pwroffset' => '10',
'usechains' => 1,
'rfband' => '2400',
},
'0xe035' => {
'name' => 'NanoStation M3',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '3',
'usechains' => 1,
'rfband' => '3400',
},
'0xe0a2' => {
'name' => 'NanoStation Loco M2',
'comment' => '',
'supported' => '1',
'maxpower' => '18',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '2400',
},
'0xe0a5' => {
'name' => 'NanoStation Loco M5',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '1',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe105' => {
'name' => 'Rocket M5',
'comment' => 'Rocket M5 with USB',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe1b2' => {
'name' => 'Rocket M2',
'comment' => '',
'supported' => '1',
'maxpower' => '18',
'pwroffset' => '10',
'usechains' => 1,
'rfband' => '2400',
},
'0xe1b5' => {
'name' => 'Rocket M5',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe1b9' => {
'name' => 'Rocket M9',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '6',
'usechains' => 1,
'rfband' => '900',
},
'0xe1c3' => {
'name' => 'Rocket M3',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '3',
'usechains' => 1,
'rfband' => '3400',
},
'0xe1c5' => {
'name' => 'Rocket M5 GPS',
'comment' => 'Rocket M5 with GPS',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe1d2' => {
'name' => 'Rocket M2 Titanum',
'comment' => '',
'supported' => '1',
'maxpower' => '18',
'pwroffset' => '10',
'usechains' => 1,
'rfband' => '2400',
},
'0xe1d5' => {
'name' => 'Rocket M5 Titanium GPS',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe202' => {
'name' => 'Bullet M2 HP',
'comment' => '',
'supported' => '1',
'maxpower' => '16',
'pwroffset' => '12',
'usechains' => 0,
'rfband' => '2400',
},
'0xe205' => {
'name' => 'Bullet M5',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '6',
'usechains' => 0,
'rfband' => '5800ubntus',
},
'0xe212' => {
'name' => 'airGrid M2',
'comment' => '',
'supported' => '1',
'maxpower' => '28',
'pwroffset' => '0',
'usechains' => 0,
'rfband' => '2400',
},
'0xe215' => {
'name' => 'airGrid M5',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '1',
'usechains' => 0,
'rfband' => '5800ubntus',
},
'0xe232' => {
'name' => 'NanoBridge M2',
'comment' => '',
'supported' => '1',
'maxpower' => '21',
'pwroffset' => '2',
'usechains' => 1,
'rfband' => '2400',
},
'0xe235' => {
'name' => 'NanoBridge M5',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '1',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe239' => {
'name' => 'NanoBridge M9',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '6',
'usechains' => 1,
'rfband' => '900',
},
'0xe242' => {
'name' => 'airGrid M2 HP',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '9',
'usechains' => 0,
'rfband' => '2400',
},
'0xe243' => {
'name' => 'NanoBridge M3',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '3',
'usechains' => 1,
'rfband' => '3400',
},
'0xe252' => {
'name' => 'airGrid M2 HP',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '9',
'usechains' => 0,
'rfband' => '2400',
},
'0xe245' => {
'name' => 'airGrid M5 HP',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '6',
'usechains' => 0,
'rfband' => '5800ubntus',
},
'0xe255' => {
'name' => 'airGrid M5 HP',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '6',
'usechains' => 0,
'rfband' => '5800ubntus',
},
'0xe2b5' => {
'name' => 'NanoBridge M5',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '1',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe2c2' => {
'name' => 'NanoBeam M2 International',
'comment' => '',
'supported' => '1',
'maxpower' => '18',
'pwroffset' => '10',
'usechains' => 1,
'rfband' => '2400',
},
'0xe2c4' => {
'name' => 'Bullet M2 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '6',
'usechains' => 0,
'rfband' => '2400',
},
'0xe2d2' => {
'name' => 'Bullet M2 Titanium HP',
'comment' => '',
'supported' => '1',
'maxpower' => '16',
'pwroffset' => '12',
'usechains' => 0,
'rfband' => '2400',
},
'0xe2d5' => {
'name' => 'Bullet M5 Titanium',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '6',
'usechains' => 0,
'rfband' => '5800ubntus',
},
'0xe302' => {
'name' => 'PicoStation M2',
'comment' => '',
'supported' => '1',
'maxpower' => '16',
'pwroffset' => '12',
'usechains' => 0,
'rfband' => '2400',
},
'0xe3e5' => {
'name' => 'PowerBeam M5 XW 300',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '4',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe4a2' => {
'name' => 'AirRouter',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '1',
'usechains' => 0,
'rfband' => '2400',
},
'0xe4b2' => {
'name' => 'AirRouter HP',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '9',
'usechains' => 0,
'rfband' => '2400',
},
'0xe4d5' => {
'name' => 'Rocket M5 Titanium',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe4e5' => {
'name' => 'PowerBeam M5 400',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '4',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe6e5' => {
'name' => 'PowerBeam M5 400-ISO',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '4',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe805' => {
'name' => 'NanoStation M5',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe825' => {
'name' => 'NanoBeam M5 19',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '4',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe835' => {
'name' => 'AirGrid M5 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '6',
'usechains' => 0,
'rfband' => '5800ubntus',
},
'0xe845' => {
'name' => 'NanoStation Loco M5 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '1',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe855' => {
'name' => 'NanoStation M5 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe865' => {
'name' => 'LiteBeam M5',
'comment' => '',
'supported' => '1',
'maxpower' => '19',
'pwroffset' => '6',
'usechains' => 0,
'rfband' => '5800ubntus',
},
'0xe866' => {
'name' => 'NanoStation M2 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '6',
'usechains' => 1,
'rfband' => '2400',
},
'0xe867' => {
'name' => 'NanoStation Loco M2 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '21',
'pwroffset' => '2',
'usechains' => 1,
'rfband' => '2400',
},
'0xe868' => {
'name' => 'Rocket M2 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '21',
'pwroffset' => '7',
'usechains' => 1,
'rfband' => '2400',
},
'0xe885' => {
'name' => 'PowerBeam M5 620 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '4',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe8a5' => {
'name' => 'NanoStation Loco M5',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '1',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe6b5' => {
'name' => 'Rocket M5 XW',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe812' => {
'name' => 'NanoBeam M2 13',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '6',
'usechains' => 1,
'rfband' => '2400',
},
'0xe815' => {
'name' => 'NanoBeam M5 16',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '4',
'usechains' => 1,
'rfband' => '5800ubntus',
},
'0xe1a5' => {
'name' => 'PowerBridge M5',
'comment' => '',
'supported' => '1',
'maxpower' => '22',
'pwroffset' => '5',
'usechains' => 1,
'rfband' => '5800ubntus',
},
);
$boardid = hardware_boardid();
if ( exists $model{ $boardid } ){
return $model{$boardid};
} else
{
return { 'name' => 'Unknown Hardware', => 'comment' => "We do not have this hardware in our database", supported => '-1',} ;
}
}
# Return maximum dbm value for tx power
sub wifi_maxpower
{
my ($wifichannel) = @_;
$boardinfo = hardware_info();
if ( exists $boardinfo->{'chanpower'} ) {
my $chanpower=$boardinfo->{'chanpower'};
foreach ( sort {$a<=>$b} keys %{$chanpower} )
{
if ( $wifichannel <= $_ )
{
return $chanpower->{$_};
}
}
# We should never get here
return 27;
} elsif ( exists $boardinfo->{'maxpower'} ) {
return $boardinfo->{'maxpower'};
} else
{
#When in doubt lets return 27 for safety.
return 27;
}
}
#Some systems have power offsets in them because of a secondary amplifier
#Because of this the chipset may report one power level but the amplifier
#has increased it to a higher level.
sub wifi_txpoweroffset
{
my $wlanintf = get_interface("wifi");
my $doesiwoffset=`iwinfo $wlanintf info 2>/dev/null` =~ /TX power offset: (\d+)/;
if ( $doesiwoffset ) {
return $1;
} else
{
$boardinfo = hardware_info();
if ( exists $boardinfo->{'pwroffset'} ) {
return $boardinfo->{'pwroffset'};
} else
{
return 0;
}
}
}
sub is_hardware_supported
{
$boardinfo = hardware_info();
return $boardinfo->{'supported'};
}
# Needs to be renamed from alert_banner
sub alert_banner
{
print "<div class=\"TopBanner\">";
#AREDN Banner
print "<div class=\"LogoDiv\"><a href=\"http://localnode.local.mesh:8080\" title=\"Go to localnode\"><img src=\"/AREDN.png\" class=\"AREDNLogo\"></img></a></div>";
# Device compatibility alert
if ( is_hardware_supported() != 1 ){
if (is_hardware_supported() == 0 ){
print "<div style=\"padding:5px;background-color:#FF4719;border:1px solid #ccc;width:600px;\"><a href=\"/cgi-bin/sysinfo\">!!!! UNSUPPORTED DEVICE !!!!</a></div>\n";
}
elsif ( is_hardware_supported() == -2 ){
print "<div style=\"padding:5px;background-color:#FFFF00;border:1px solid #ccc;width:600px;\"><a href=\"/cgi-bin/sysinfo\"> !!!! THIS DEVICE IS STILL BEING TESTED !!!!</a></div>\n";
}
else {
print "<div style=\"padding:5px;background-color:#FFFF00;border:1px solid #ccc;width:600px;\"><a href=\"/cgi-bin/sysinfo\">!!!! UNTESTED HARDWARE !!!!</a></div>\n";
}
}
#TopBanner
print "</div>";
}
sub page_footer
{
print "<div class=\"Page_Footer\">";
print "<hr>";
print "<p class=\"PartOfAREDN\">Part of the AREDN&trade; Project. For more details please <a href=\"/about.html\" target=\"_blank\">see here</a></p>";
# Page_Footer
print "</div>"
}
sub get_interface
{
my ($intf) = @_;
my $bridge = `uci -q get network.$intf.type`;
chomp $bridge;
if ( "$bridge" eq "bridge" ) {
$intfname = "br-${intf}";
} else {
$intfname = `uci -q get network.$intf.ifname | cut -f1`;
}
chomp $intfname;
if ($intfname) {
return $intfname;
} else {
# guess at most common interface options
if ( $intf eq "lan" )
{
return "eth0";
} elsif ( $intf eq "wan" ){
return "eth0.1";
} elsif ( $intf eq "wifi" ){
return "wlan0";
} elsif ( $intf eq "dtdlink" ){
return "eth0.2";
} else {
# we have a problem
die("Unknown interface in call to get_interface");
}
}
}
sub get_bridge_interfaces
{
my ($intf) = @_;
my $bridge = `uci -q get network.$intf.type`;
my $intfname = `uci -q get network.$intf.ifname`;
chomp $intfname;
if ($intfname) {
return $intfname;
} else {
# guess at most common interface options
if ( $intf eq "lan" )
{
return "eth0";
} elsif ( $intf eq "wan" ){
return "eth0.1";
} elsif ( $intf eq "wifi" ){
return "wlan0";
} elsif ( $intf eq "dtdlink" ){
return "eth0.2";
} else {
# we have a problem
die("Unknown interface in call to get_interface");
}
}
}
sub reboot_required()
{
http_header();
html_header("$node setup", 1);
print "<body><center><table width=790><tr><td>\n";
navbar("vpn");
print "</td></tr><tr><td align=center><br>";
if($config eq "")
{
print "<b>This page is not available until the configuration has been set.</b>";
}
else
{
print "<b>The configuration has been changed.<br>This page will not be available until the node is rebooted.\n</b>";
print "<form method='post' action='/cgi-bin/vpn' enctype='multipart/form-data'>\n";
print "<input type=submit name=button_reboot value='Click to REBOOT' />";
print "</form>";
}
print "</td></tr>\n";
print "</table></center></body></html>\n";
exit;
}
sub css_options
{
print "<option>Select a theme</option>";
my @cssfiles = `ls /www/*.css`;
foreach $css (@cssfiles)
{
chomp($css);
$css =~ m#^(.*?)([^/]*)(\.css)$#;
($dir,$file) = ($1,$2);
print "<option value=\"$file.css\">$file</option>" unless $file eq "style";
}
}
sub is_online()
{
my $online=0;
if(get_default_gw() ne "none")
{
system("ping -W1 -c1 8.8.8.8 &>/dev/null"); # google DNS
if($? eq 0)
{
$online=1;
}
}
return $online;
}
sub tz_names_hash {
my %hash;
open(FH, "< /etc/zoneinfo");
while(<FH>) {
chomp($_);
($name, $string) = split(/\t/, $_);
$hash{$name} = $string;
}
close(FH);
return \%hash;
}
sub tz_names_array {
my @array;
open(FH, "< /etc/zoneinfo");
while(<FH>) {
chomp($_);
($name, $string) = split(/\t/, $_);
push(@array, $name);
}
close(FH);
return \@array;
}
#weird uhttpd/busybox error requires a 1 at the end of this file
1