captive: Serve logo through an extra CGI script

This CGI script makes saving the logo easier (especially for
backup purposes).

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/config/rootfiles/common/web-user-interface b/config/rootfiles/common/web-user-interface
index 3c8f314c3085f2d2b0693b617d62695c37cabfb1..773d852ecab7db392bf9d9eadd933eb6643cb884 100644 (file)
--- a/config/rootfiles/common/web-user-interface
+++ b/config/rootfiles/common/web-user-interface
@@ -11,6 +11,7 @@ srv/web/ipfire/cgi-bin/bluetooth.cgi
 #srv/web/ipfire/cgi-bin/captive
 srv/web/ipfire/cgi-bin/captive.cgi
 srv/web/ipfire/cgi-bin/captive/index.cgi
+srv/web/ipfire/cgi-bin/captive/logo.cgi
 srv/web/ipfire/cgi-bin/captive/redirect.cgi
 srv/web/ipfire/cgi-bin/chpasswd.cgi
 srv/web/ipfire/cgi-bin/connections.cgi

diff --git a/html/cgi-bin/captive/logo.cgi b/html/cgi-bin/captive/logo.cgi
new file mode 100644 (file)
index 0000000..8f292b1
--- /dev/null
+++ b/html/cgi-bin/captive/logo.cgi
@@ -0,0 +1,44 @@
+#!/usr/bin/perl
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2016  Alexander Marx alexander.marx@ipfire.org                #
+#                                                                             #
+# 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 CGI;
+use File::Copy;
+
+# enable only the following on debugging purpose
+#use warnings;
+#use CGI::Carp 'fatalsToBrowser';
+
+require '/var/ipfire/general-functions.pl';
+
+my $logo = "${General::swroot}/captive/logo.dat";
+
+# Send 404 if logo was not uploaded and exit
+if (!-e $logo) {
+       print CGI::header(status => 404);
+       exit(0);
+}
+
+print "Content-Type: application/octet-stream\n\n";
+
+# Send image data
+File::Copy::copy $logo, \*STDOUT;
+exit(0);

diff --git a/html/html/captive/assets/captive.css b/html/html/captive/assets/captive.css
index e405cc94a4b58da9df69bbfead0f1ceba31b6752..d02efeee3d9d69952e9b53a369f702d4e288d0d9 100644 (file)
--- a/html/html/captive/assets/captive.css
+++ b/html/html/captive/assets/captive.css
@@ -1,4 +1,8 @@
 body {
+       background-image: url("../cgi-bin/logo.cgi");
+       background-size: 100%;
+       background-repeat: no-repeat;
+
        background-color: #eceff1;
        color: #263238;