#!/usr/bin/perl
=for commnet
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 .
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 conained 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
$debug = 0;
BEGIN {push @INC, '/www/cgi-bin'};
use perlfunc;
use channelmaps;
#
# load the config parms
#
# test for web connectivity (for maps)
$pingOk=is_online();
@output = ();
@errors = ();
read_postdata();
($config = $parms{config}) or
($config = nvram_get("config") and -d "/etc/config.$config") or
($config = "mesh");
my $tz_db_strings = tz_names_hash();
my $tz_db_names = tz_names_array();
if($parms{button_uploaddata})
{
my $si=`curl 'http://localnode:8080/cgi-bin/sysinfo.json?hosts=1' 2>/dev/null`;
# strip closing }\n from si
chomp($si);
chop($si);
# get olsrd topo information
my $topo=`curl 'http://localnode:9090/topology' 2>/dev/null`;
chomp($topo);
# add topo subdoc and close root doc
my $newsi= sprintf "%s,\"olsr\": %s}",$si, $topo;
# PUT it to the server
my $upcurl=`curl -H 'Accept: application/json' -X PUT -d '$newsi' http://data.aredn.org/sysinfo`;
if($? == 0) {
push @output, "AREDN online map updated";
} else {
push @errors, "ERROR: Cannot update online map. Please ensure this node has access to the internet.";
}
}
# convert the %parms into scalars for convenience
if($parms{button_default})
{
load_cfg("/etc/config.$config/_setup.default");
foreach(keys %cfg)
{
eval (sprintf "\$$_ = \"%s\"", quotemeta $cfg{$_});
}
}
else
{
foreach(keys %parms)
{
next unless /^\w+$/;
$parms{$_} =~ s/^\s+//;
$parms{$_} =~ s/\s+$//;
eval (sprintf "\$$_ = \"%s\"", quotemeta $parms{$_});
}
if($button_reset or $config ne $oldconfig)
{
load_cfg("/etc/config.$config/_setup");
foreach(keys %cfg)
{
eval (sprintf "\$$_ = \"%s\"", quotemeta $cfg{$_});
}
}
}
if($parms{button_reset} or $parms{button_default} or (not $nodetac and not keys %parms))
{
$nodetac = nvram_get("node");
$tactical = nvram_get("tactical");
$nodetac .= " / $tactical" if $tactical;
}
else
{
$nodetac = $parms{nodetac};
}
# make sure unchecked checkboxes are accounted for
foreach(qw(lan_dhcp olsrd_bridge olsrd_gw wifi_hidden))
{
$parms{$_} = 0 unless $parms{$_};
}
# lan is always static
$lan_proto = "static";
# enforce direct mode settings
# (formerly known as dmz mode)
$dmz_mode = 0 unless $config eq "mesh";
$dmz_mode = 2 if $dmz_mode != 0 and $dmz_mode < 2;
$dmz_mode = 4 if $dmz_mode > 4;
if($dmz_mode)
{
$ipshift = (ip2decimal($wifi_ip) << $dmz_mode) & 0xffffff;
$dmz_lan_ip = add_ip_address("1" . decimal2ip($ipshift), 1);
$dmz_lan_mask = decimal2ip(0xffffffff << $dmz_mode);
($octet) = $dmz_lan_ip =~ /\d+\.\d+\.\d+\.(\d+)/;
$dmz_dhcp_start = $octet + 1;
$dmz_dhcp_end = $dmz_dhcp_start + (1 << $dmz_mode) - 4;
$parms{dmz_lan_ip} = $dmz_lan_ip;
$parms{dmz_lan_mask} = $dmz_lan_mask;
$parms{dmz_dhcp_start} = $dmz_dhcp_start;
$parms{dmz_dhcp_end} = $dmz_dhcp_end;
}
# derive values which are not explicitly defined
$parms{dhcp_limit} = $dhcp_limit = $dhcp_end - $dhcp_start + 1;
$parms{dmz_dhcp_limit} = $dmz_dhcp_limit = $dmz_dhcp_end - $dmz_dhcp_start + 1;
#
# get the active wifi settings on a fresh page load
#
unless($parms{reload})
{
my $wifiintf = get_interface("wifi");
($wifi_txpower) = `iwinfo $wifiintf info 2>/dev/null` =~ /Tx-Power: (\d+)/;
(my $doesiwoffset) = `iwinfo $wifiintf info 2>/dev/null` =~ /TX power offset: (\d+)/;
if ( $doesiwoffset ) {
$wifi_txpower -= $1;
}
$slottime = "";
}
# sanitize the active settings
$wifi_txpower = wifi_maxpower($wifi_channel) if not defined $wifi_txpower or $wifi_txpower > wifi_maxpower($wifi_channel);
$wifi_txpower = 1 if $wifi_txpower < 1;
$wifi_distance = 0 unless defined $wifi_distance;
$wifi_distance = 0 if $wifi_distance =~ /\D/;
# stuff the sanitized data back into the parms hash
# so they get saved correctly
$parms{wifi_distance} = $wifi_distance;
$parms{wifi_txpower} = $wifi_txpower;
#
# apply the wifi settings
#
if($parms{button_apply} or $parms{button_save})
{
if($wifi_distance < 1 or $wifi_distance =~ /\D/)
{
push (@errors, "invalid distance value");
} else {
my $wifiintf = get_interface("wifi");
$cmd = "";
$cmd .= "iw phy phy0 set distance $wifi_distance >/dev/null 2>&1;";
$cmd .= "iw dev $wifiintf set txpower fixed ${wifi_txpower}00 >/dev/null 2>&1;";
system $cmd;
}
}
if($parms{button_updatelocation})
{
# Process gridsquare -----------------------------------
if($parms{gridsquare})
{
# validate values
if($parms{gridsquare} =~ /^[A-Z][A-Z]\d\d[a-z][a-z]$/)
{
# delete/define file
unlink("/etc/gridsquare") if(-f "/etc/gridsquare");
my $rcgood=open(my $gs, ">", "/etc/gridsquare");
push @errors, "Cannot open gridsquare file" unless $rcgood;
print $gs "$parms{gridsquare}\n";
close($gs);
push @output, "Gridsquare updated.\n";
} else {
push @errors, "ERROR: Gridsquare format is: 2-uppercase letters, 2-digits, 2-lowercase letters. (AB12cd)\n";
}
} else {
unlink("/etc/gridsquare") if(-f "/etc/gridsquare");
push @output, "Gridsquare purged.\n";
}
# Process LAT/LNG ---------------------------------------------
if($parms{latitude} and $parms{longitude})
{
# validate values
if($parms{latitude} =~ /^([-+]?\d{1,2}([.]\d+)?)$/ and $parms{longitude} =~ /^([-+]?\d{1,3}([.]\d+)?)$/) {
# delete/define file
unlink("/etc/latlon") if(-f "/etc/latlon");
$rcgood=open(my $ll, ">", "/etc/latlon");
push @errors, "Cannot open lat/lon file" unless $rcgood;
print $ll "$parms{latitude}\n";
print $ll "$parms{longitude}\n";
close($ll);
push @output, "Lat/lon updated.\n";
} else {
push @errors, "ERROR: Lat/lon format is decimal: (ex. 30.121456 or -95.911154)\n";
}
} else {
unlink("/etc/latlon") if(-f "/etc/latlon");
push @output, "Lat/lon purged.\n";
}
}
#
# retrieve location data
#
if(-f "/etc/latlon")
{
$rcgood=open(FILE, "/etc/latlon");
push @errors, "ERROR: reading lat/lon data\n" unless $rcgood;
while(){
chomp;
push @lines,$_;
}
close(FILE);
$lat=$lines[0];
$lon=$lines[1];
}
@lines=();
if(-f "/etc/gridsquare")
{
$rcgood=open(FILE, "/etc/gridsquare");
push @errors, "ERROR: reading gridsquare data\n" unless $rcgood;
while(){
chomp;
push @lines,$_;
}
close(FILE);
$gridsquare=$lines[0];
}
# validate and save configuration
if($parms{button_save})
{
# lookup the tz string for the selected time_zone
$time_zone = $$tz_db_strings{$time_zone_name};
$parms{time_zone} = $time_zone;
if($wifi_proto eq "static")
{
if(not validate_netmask($wifi_mask))
{
push @errors, "invalid WiFi netmask";
}
elsif(not validate_ip_netmask($wifi_ip, $wifi_mask))
{
push @errors, "invalid WiFi IP address";
}
}
if ($config eq "mesh"){
push (@errors, "invalid WiFi SSID") unless length $wifi_ssid <= 27;
} else
{
push (@errors, "invalid WiFi SSID") unless length $wifi_ssid <= 32;
}
if ( is_channel_valid($wifi_channel) != 1 )
{
push (@errors, "invalid WiFi channel")
}
if ( !is_wifi_chanbw_valid($wifi_chanbw,$wifi_ssid) )
{
push (@errors, "Invalid WiFi channel width");
$wifi_chanbw = 20;
}
$wifi_country_validated=0;
foreach my $testcountry (split(',',"00,HX,AD,AE,AL,AM,AN,AR,AT,AU,AW,AZ,BA,BB,BD,BE,BG,BH,BL,BN,BO,BR,BY,BZ,CA,CH,CL,CN,CO,CR,CY,CZ,DE,DK,DO,DZ,EC,EE,EG,ES,FI,FR,GE,GB,GD,GR,GL,GT,GU,HN,HK,HR,HT,HU,ID,IE,IL,IN,IS,IR,IT,JM,JP,JO,KE,KH,KP,KR,KW,KZ,LB,LI,LK,LT,LU,LV,MC,MA,MO,MK,MT,MY,MX,NL,NO,NP,NZ,OM,PA,PE,PG,PH,PK,PL,PT,PR,QA,RO,RS,RU,RW,SA,SE,SG,SI,SK,SV,SY,TW,TH,TT,TN,TR,UA,US,UY,UZ,VE,VN,YE,ZA,ZW")) {
if ( $testcountry eq $wifi_country ) {
$wifi_country_validated=1;
break;
}
}
if ( $wifi_country_validated ne 1 ) {
$wifi_country="00";
push (@errors, "Invalid country");
}
if($lan_proto eq "static")
{
if(not validate_netmask($lan_mask))
{
push @errors, "invalid LAN netmask";
}
elsif($lan_mask !~ /^255\.255\.255\./)
{
push @errors, "LAN netmask must begin with 255.255.255";
}
elsif(not validate_ip_netmask($lan_ip, $lan_mask))
{
push @errors, "invalid LAN IP address";
}
else
{
if($lan_dhcp)
{
my $start_addr = change_ip_address($lan_ip, $dhcp_start);
my $end_addr = change_ip_address($lan_ip, $dhcp_end);
unless(validate_ip_netmask($start_addr, $lan_mask) and
validate_same_subnet($start_addr, $lan_ip, $lan_mask))
{
push @errors, "invalid DHCP start address";
}
unless(validate_ip_netmask($end_addr, $lan_mask) and
validate_same_subnet($end_addr, $lan_ip, $lan_mask))
{
push @errors, "invalid DHCP end address";
}
if($dhcp_start > $dhcp_end)
{
push @errors, "invalid DHCP start/end addresses";
}
}
if($lan_gw and not
(validate_ip_netmask($lan_gw, $lan_mask) and
validate_same_subnet($lan_ip, $lan_gw, $lan_mask)))
{
push @errors, "invalid LAN gateway";
}
}
}
if($wan_proto eq "static")
{
if(not validate_netmask($wan_mask))
{
push @errors, "invalid WAN netmask";
}
elsif(not validate_ip_netmask($wan_ip, $wan_mask))
{
push @errors, "invalid WAN IP address";
}
else
{
unless (validate_ip_netmask($wan_gw, $wan_mask) and
validate_same_subnet($wan_ip, $wan_gw, $wan_mask))
{
push @errors, "invalid WAN gateway";
}
}
}
push (@errors, "invalid WAN DNS 1") unless validate_ip($wan_dns1);
push (@errors, "invalid WAN DNS 2") if $wan_dns2 ne "" and not validate_ip($wan_dns2);
if($passwd1 or $passwd2)
{
push (@errors, "passwords do not match") if $passwd1 ne $passwd2;
push (@errors, "passwords cannot contain '#'") if $passwd1 =~ /#/;
push (@errors, "password must be changed") if $passwd1 eq "hsmm";
}
elsif(-f "/etc/config/unconfigured")
{
push @errors, "password must be changed during initial configuration";
}
if($nodetac =~ /\//)
{
$nodetac =~ /^\s*([\w\-]+)\s*\/\s*([\w\-]+)\s*$/;
$node = $1;
$tactical = $2;
push(@errors, "invalid node/tactical name") if not $2;
}
else
{
$node = $nodetac;
$tactical = "";
push(@errors, "you must set the node name") if $node eq "";
}
if($node and ($node =~ /[^\w\-]/ or $node =~ /_/))
{
push(@errors, "invalid node name");
}
if($tactical =~ /[^\w\-]/ or $tactical =~ /_/)
{
push(@errors, "invalid tactical name");
}
if($ntp_server eq '' || validate_fqdn($ntp_server) == 0)
{
push(@errors, "invalid ntp server");
}
if($debug == 3) # don't save the config, just validate it
{
push (@errors, "OK") unless @errors;
}
unless(@errors)
{
$parms{node} = $node;
$parms{tactical} = $tactical;
system "touch /tmp/unconfigured" if -f "/etc/config/unconfigured";
$rc = save_setup("/etc/config.$config/_setup");
if(-s "/tmp/web/save/node-setup.out")
{
push @errors, `cat /tmp/web/save/node-setup.out`;
}
elsif(not $rc)
{
push @errors, "error saving setup";
}
reboot_page("/cgi-bin/status") if -f "/tmp/unconfigured" and not @errors;
}
}
system "rm -rf /tmp/web/save";
reboot_page("/cgi-bin/status") if $parms{button_reboot};
#
# generate the page
#
http_header() unless $debug == 2;
html_header(nvram_get("node") . " setup", 0);
print "\n" if($pingOk);
print "\n" if($pingOk);
print "";
print "