aredn/files/www/cgi-bin/advancedconfig

#!/usr/bin/perl
=for comment

  Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
  Copyright (C) 2018 - Darryl Quinn
   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

BEGIN {push @INC, '/www/cgi-bin'};
use perlfunc;

$debug = 0;
$| = 1;

# ---------------------------------------- ADVANCED CONFIG ALLOWED UCI VALUES ------------------
@setting = ();
push @setting, {
  key => "aredn.\@map[0].maptiles", 
  type => "string", 
  desc => "Specifies the URL of the location to access map tiles", 
  default => "http://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token=pk.eyJ1IjoiazVkbHEiLCJhIjoiY2lqMnlieTM4MDAyNXUwa3A2eHMxdXE3MiJ9.BRFvx4q2vi70z5Uu2zRYQw"
};
push @setting, {
  key => "aredn.\@map[0].leafletcss", 
  type => "string", 
  desc => "Specifies the URL of the leaflet.css file", 
  default => "http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.css"
};
push @setting, {
  key => "aredn.\@map[0].leafletjs", 
  type => "string", 
  desc => "Specifies the URL of the leaflet.js file", 
  default => "http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js" 
};
push @setting, {
  key => "aredn.\@downloads[0].firmwarepath", 
  type => "string", 
  desc => "Specifies the URL of the location from which firmware files will be downloaded.", 
  default => "http://downloads.arednmesh.org/firmware/ubnt"
};
push @setting, {
  key => "aredn.\@poe[0].passthrough", 
  type => "boolean", 
  desc => "Specifies whether a PoE passthrough port should be on or off.  (Not all devices have PoE passthrough ports.", 
  default => "0",
  condition => "hasPOE()",
  postcallback => "setPOEOutput()"
};
# ----------------------------------------

# ----- CONDITIONS ----------
sub hasPOE()
{
  $pin=`cat /etc/board.json|jsonfilter -e '@.gpioswitch.usb_power_switch.pin'`;
  chomp($pin);
  return $pin ? return 1 : return 0;
}
# ----- CONDITIONS ----------


# ----- CALLBACKS ----------
sub setPOEOutput()
{
  $newval="0" if(!$newval);
  system("/usr/local/bin/poe_passthrough",$newval);
}
# ----- CALLBACKS ----------

if($parms{button_firstboot})
{
    system "firstboot -y";
    reboot_page("/cgi-bin/status");
}

read_postdata({acceptfile => false});
reboot_page("/cgi-bin/status") if $parms{button_reboot};
$node = nvram_get("node");

# make developer mode stick
system "touch /tmp/developer_mode" if $parms{dev};
$parms{dev} = 1 if -e "/tmp/developer_mode";

#
# process POSTED data
#
$scount = scalar @setting;
for($i=0;$i<$scount;$i++)
{
  if($parms{eval "button_save_" . $i})
  {
    $newvalfield=eval "newval_" . $i;
    $newval=$parms{$newvalfield};
    $newval=~ s/^\s+|\s+$//;
    $newval="1" if($setting[$i]->{'type'} eq "boolean") and $newval;
    $key=$setting[$i]->{'key'};
    @x=split(/\./, $setting[$i]->{'key'});
    $cfgfile=$x[0];

    # run precallbacks
    eval $setting[$i]->{'precallback'} if($setting[$i]->{'precallback'});

    # set "live" settings
    system("uci set '$key=$newval'");
    system("uci commit '$cfgfile'");
    
    # set AREDN config settings (used after a "Save Settings" on the Setup page)
    system("uci -S -c /etc/config.mesh set '$key=$newval'");
    system("uci -S -c /etc/config.mesh commit '$cfgfile'");
    
    push @msg, "Changed $key";

    # run postcallbacks
    eval $setting[$i]->{'postcallback'} if($setting[$i]->{'postcallback'});

    last;
  }
}

#
# generate the page
#

http_header();
html_header("$node Advanced Configuration", 1);

print "<body><center>\n";
alert_banner();
print "<div style=\"padding:5px;background-color:#FF0000;border:1px solid #ccc;width:600px;\">Changing these advanced settings can be harmful to the stability, security, and performance of this node and potentially the entire mesh network.<br><strong>You should only continue if you are sure of what you are doing.</strong></a></div>\n";
print "<form method=post action=advancedconfig enctype='multipart/form-data'>\n";
print "<table width=790>\n";
print "<tr><td>\n";
navbar("advancedconfig");
print "</td></tr>\n";

print "<tr><td align=center><a href='/help.html#advancedconfig' target='_blank'>Help</a>&nbsp;&nbsp;";
print "<input type=submit name=button_reboot value=Reboot style='font-weight:bold' title='Immediately reboot this node'>";
print "&nbsp;&nbsp;<input type=submit name=button_firstboot value='Reset to Firstboot' onclick=\"return confirm('All config settings and add-on packages will be lost back to first boot state. Continue?')\"  title='Reset this node to the initial/firstboot status and reboot.'>";
print "</td></tr>\n";

if(@msg)
{
  foreach(@msg)
  {
    print "<tr><td align='center'><strong>$_</strong></td></tr>\n";
  }
}

print "<tr><td align=center>\n";
print "<table border=1>\n";
print <<EOF;
    <thead>
      <tr>
        <th>Help<br><small>(hover)</small></th>
        <th>Config Setting</th>
        <th>Value</th>
        <th>Actions</th>
      </tr>
    </thead>
EOF

$scount = 0;
foreach(@setting)
{
  # check to see if setting is conditional
  if($setting[$scount]->{'condition'})
  {
    next if !eval $setting[$scount]->{'condition'};
  }
  $sconfig = $_->{'key'};
  $sval = `uci get '$sconfig'`;
  print <<EOF;
      <tr>
          <td align="center"><span title="$setting[$scount]->{'desc'}"><img src="/qmark.png" /></span></td>
          <td>$sconfig</td>
          <td>
EOF
  
  print "<input type='text' id='field_$scount' name='newval_$scount' size='65' value='$sval'>" if($setting[$scount]->{'type'} eq "string");
  print "<input type='checkbox' id='field_$scount' name='newval_$scount' value='1' checked >" if($setting[$scount]->{'type'} eq "boolean" and $sval );
  print "<input type='checkbox' id='field_$scount' name='newval_$scount' value='1'>" if($setting[$scount]->{'type'} eq "boolean" and !$sval );
  print "&nbsp;ON" if($setting[$scount]->{'type'} eq "boolean" and $sval);
  print "&nbsp;OFF" if($setting[$scount]->{'type'} eq "boolean" and !$sval);

  print <<EOF;
          </td>
          <td align="center"><input type="submit" name="button_save_$scount" value="Save Setting" /><br><br>
          <input value="Set to Default" type="button" onclick="document.getElementById('field_$scount').value='$setting[$scount]->{'default'}';"></td>
      </tr>
EOF
  $scount++;  
}

print "</table>\n";
print "</td></tr>\n";
print "</table>\n";

print "</form>\n";
print "</center>\n";

show_debug_info();
show_parse_errors();

page_footer();
print "</body>\n";
print "</html>\n";