--- /dev/null
+#!/usr/bin/perl
+###############################################################################
+# #
+# IPFire.org - A linux based firewall #
+# Copyright (C) 2005-2021 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 #
+# the Free Software Foundation, either version 3 of the License, or #
+# (at your option) any later version. #
+# #
+# 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/>. #
+# #
+###############################################################################
+
+use strict;
+use URI;
+use GD;
+use GD::Text::Wrap;
+use experimental 'smartmatch';
+
+# debugging
+#use warnings;
+#use CGI::Carp 'fatalsToBrowser';
+
+require '/var/ipfire/general-functions.pl';
+require "${General::swroot}/lang.pl";
+require "${General::swroot}/header.pl";
+require "${General::swroot}/graphs.pl";
+
+# List of graph origins that getrrdimage.cgi can process directly
+# (unknown origins are forwarded to ensure compatibility)
+my @supported_origins = ("entropy.cgi", "hardwaregraphs.cgi", "media.cgi",
+ "memory.cgi","netexternal.cgi", "netinternal.cgi", "netother.cgi",
+ "netovpnrw.cgi", "netovpnsrv.cgi", "qos.cgi", "system.cgi");
+
+### Process GET parameters ###
+# URL format: /?origin=[graph origin cgi]&graph=[graph name]&range=[time range]
+my $uri = URI->new($ENV{'REQUEST_URI'});
+my %query = $uri->query_form;
+
+my $origin = lc $query{'origin'}; # lower case
+my $graph = $query{'graph'};
+my $range = lc $query{'range'}; # lower case
+
+# Check parameters
+unless(($origin =~ /^\w+?\.cgi$/) && ($graph =~ /^[\w-]+?$/) && ($range ~~ @Graphs::time_ranges)) {
+ # Send HTTP headers
+ _start_png_output();
+
+ _print_error("URL parameters missing or malformed.");
+ exit;
+}
+
+# Unsupported graph origin: Redirect request to the CGI specified in the "origin" parameter
+# This enables backwards compatibility with addons that use Graphs::makegraphbox to ouput their own graphs
+unless($origin ~~ @supported_origins) {
+ # Rewrite to old URL format: /[graph origin cgi]?[graph name]?[time range]
+ my $location = "https://$ENV{'SERVER_NAME'}:$ENV{'SERVER_PORT'}/cgi-bin/${origin}?${graph}?${range}";
+
+ # Send HTTP redirect
+ print "Status: 302 Found\n";
+ print "Location: $location\n";
+ print "Content-type: text/html; charset=UTF-8\n";
+ print "\n"; # End of HTTP headers
+
+ print "Unsupported origin, request redirected to '$location'";
+ exit;
+}
+
+### Create graphs ###
+# Send HTTP headers
+_start_png_output();
+
+# Graphs are first grouped by their origin.
+# This is because some graph categories require special parameter handling.
+my $graphstatus = '';
+if($origin eq "entropy.cgi") { ## entropy.cgi
+ $graphstatus = Graphs::updateentropygraph($range);
+# ------
+
+} elsif($origin eq "hardwaregraphs.cgi") { ## hardwaregraphs.cgi
+ if($graph eq "hwtemp") {
+ $graphstatus = Graphs::updatehwtempgraph($range);
+ } elsif($graph eq "hwfan") {
+ $graphstatus = Graphs::updatehwfangraph($range);
+ } elsif($graph eq "hwvolt") {
+ $graphstatus = Graphs::updatehwvoltgraph($range);
+ } elsif($graph eq "thermaltemp") {
+ $graphstatus = Graphs::updatethermaltempgraph($range);
+ } elsif($graph =~ "sd?") {
+ $graphstatus = Graphs::updatehddgraph($graph, $range);
+ } elsif($graph =~ "nvme?") {
+ $graphstatus = Graphs::updatehddgraph($graph, $range);
+ } else {
+ $graphstatus = "Unknown graph name.";
+ }
+# ------
+
+} elsif($origin eq "media.cgi") { ## media.cgi
+ if ($graph =~ "sd?" || $graph =~ "mmcblk?" || $graph =~ "nvme?n?" || $graph =~ "xvd??" || $graph =~ "vd?" || $graph =~ "md*" ) {
+ $graphstatus = Graphs::updatediskgraph($graph, $range);
+ } else {
+ $graphstatus = "Unknown graph name.";
+ }
+# ------
+
+} elsif($origin eq "memory.cgi") { ## memory.cgi
+ if($graph eq "memory") {
+ $graphstatus = Graphs::updatememorygraph($range);
+ } elsif($graph eq "swap") {
+ $graphstatus = Graphs::updateswapgraph($range);
+ } else {
+ $graphstatus = "Unknown graph name.";
+ }
+# ------
+
+} elsif($origin eq "netexternal.cgi") { ## netexternal.cgi
+ $graphstatus = Graphs::updateifgraph($graph, $range);
+# ------
+
+} elsif($origin eq "netinternal.cgi") { ## netinternal.cgi
+ if ($graph =~ /wireless/){
+ $graph =~ s/wireless//g;
+ $graphstatus = Graphs::updatewirelessgraph($graph, $range);
+ } else {
+ $graphstatus = Graphs::updateifgraph($graph, $range);
+ }
+# ------
+
+} elsif($origin eq "netother.cgi") { ## netother.cgi
+ if($graph eq "conntrack") {
+ $graphstatus = Graphs::updateconntrackgraph($range);
+ } elsif($graph eq "fwhits") {
+ $graphstatus = Graphs::updatefwhitsgraph($range);
+ } else {
+ $graphstatus = Graphs::updatepinggraph($graph, $range);
+ }
+# ------
+
+} elsif($origin eq "netovpnrw.cgi") { ## netovpnrw.cgi
+ if($graph ne "UNDEF") {
+ $graphstatus = Graphs::updatevpngraph($graph, $range);
+ } else {
+ $graphstatus = "Unknown graph name.";
+ }
+# ------
+
+} elsif($origin eq "netovpnsrv.cgi") { ## netovpnsrv.cgi
+ if ($graph =~ /ipsec-/){
+ $graph =~ s/ipsec-//g;
+ $graphstatus = Graphs::updateifgraph($graph, $range);
+ } else {
+ $graphstatus = Graphs::updatevpnn2ngraph($graph, $range);
+ }
+# ------
+
+} elsif($origin eq "qos.cgi") { ## qos.cgi
+ $graphstatus = Graphs::updateqosgraph($graph, $range);
+# ------
+
+} elsif($origin eq "services.cgi") { ## services.cgi
+ if($graph eq "processescpu") {
+ $graphstatus = Graphs::updateprocessescpugraph($range);
+ } elsif($graph eq "processesmemory") {
+ $graphstatus = Graphs::updateprocessesmemorygraph($range);
+ } else {
+ $graphstatus = "Unknown graph name.";
+ }
+# ------
+
+} elsif($origin eq "system.cgi") { ## system.cgi
+ if($graph eq "cpu") {
+ $graphstatus = Graphs::updatecpugraph($range);
+ } elsif($graph eq "cpufreq") {
+ $graphstatus = Graphs::updatecpufreqgraph($range);
+ } elsif($graph eq "load") {
+ $graphstatus = Graphs::updateloadgraph($range);
+ } else {
+ $graphstatus = "Unknown graph name.";
+ }
+# ------
+
+} else {
+ $graphstatus = "Unknown graph origin.";
+}
+
+### Print error message ###
+# Add request parameters for debugging
+if($graphstatus) {
+ $graphstatus = "$graphstatus\n($origin, $graph, $range)";
+ _print_error($graphstatus);
+}
+
+###--- Internal functions ---###
+
+# Send HTTP headers and switch to binary output
+# (don't print any non-image data to STDOUT afterwards)
+sub _start_png_output {
+ print "Cache-Control: no-cache, no-store\n";
+ print "Content-Type: image/png\n";
+ print "\n"; # End of HTTP headers
+ binmode(STDOUT);
+}
+
+# Print error message to PNG output
+sub _print_error {
+ my ($message) = @_;
+ $message = "- Error -\n \n$message";
+
+ # Create new image with the same size as a graph
+ my $img = GD::Image->new($Graphs::image_size{'width'}, $Graphs::image_size{'height'});
+ $img->interlaced('true');
+
+ # Basic colors
+ my $color_background = $img->colorAllocate(255, 255, 255);
+ my $color_border = $img->colorAllocate(255, 0, 0);
+ my $color_text = $img->colorAllocate(0, 0, 0);
+
+ # Background and border
+ $img->setThickness(2);
+ $img->filledRectangle(0, 0, $img->width, $img->height, $color_background);
+ $img->rectangle(10, 10, $img->width - 10, $img->height - 10, $color_border);
+
+ # Draw message with line-wrap
+ my $textbox = GD::Text::Wrap->new($img,
+ text => $message,
+ width => ($img->width - 50),
+ color => $color_text,
+ align => 'center',
+ line_space => 5,
+ preserve_nl => 1
+ );
+ $textbox->set_font(gdLargeFont);
+ $textbox->draw(25, 25);
+
+ # Get PNG output
+ print $img->png;
+}
projects / people / pmueller / ipfire-2.x.git / blobdiff