diff --git a/nix-dist/server-side/cgi-bin/create-dist.pl b/nix-dist/server-side/cgi-bin/create-dist.pl
new file mode 100755
index 00000000000..0083f28784f
--- /dev/null
+++ b/nix-dist/server-side/cgi-bin/create-dist.pl
@@ -0,0 +1,98 @@
+#! /usr/bin/perl -w
+
+use strict;
+
+
+# Global settings.
+my $releasesDir = "/home/eelco/public_html/test";
+
+umask 0002;
+
+
+sub printResult {
+    my $result = shift;
+    print "Content-Type: text/plain\n\n"; 
+    print "$result\n"; 
+}
+
+
+my $args = $ENV{"PATH_INFO"};
+
+# Parse command.
+die unless $args =~ /^\/([a-z]+)\/(.*)$/;
+my $command = $1;
+$args = $2;
+
+
+# Perform the command.
+
+# Start creation of a release.
+if ($command eq "create") {
+    die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]*)$/;
+    my $releaseName = $1;
+
+    my $uniqueNr = int (rand 1000000);
+    my $sessionName = "tmp-$uniqueNr-$releaseName";
+    my $releaseDir = "$releasesDir/$sessionName";
+
+    mkdir $releaseDir, 0775 or die "cannot create $releaseDir: $!";
+
+    printResult "$sessionName";
+}
+
+# Upload a file to a release.
+elsif ($command eq "upload") {
+    die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]*)((\/[A-Za-z0-9-][A-Za-z0-9-\.]*)+)$/;
+    my $sessionName = $1;
+    my $path = $2;
+
+    my $fullPath = "$releasesDir/$sessionName/$path";
+
+    open OUT, ">$fullPath" or die "cannot create $fullPath: $!";
+    while (<STDIN>) {
+	print OUT "$_" or die;
+    }
+    close OUT or die;
+
+    printResult "ok";
+}
+
+# Finish the release.
+elsif ($command eq "finish") {
+    die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]+)$/;
+    my $sessionName = $1;
+
+    die unless $sessionName =~ /^tmp-\d+-(.*)$/;
+    my $releaseName = $1;
+
+    my $releaseDir1 = "$releasesDir/$sessionName";
+    my $releaseDir2 = "$releasesDir/$releaseName";
+    if (-d $releaseDir2) {
+	my $uniqueNr = int (rand 1000000);
+	my $releaseDir3 = "$releasesDir/replaced-$uniqueNr-$releaseName";
+	rename $releaseDir2, $releaseDir3
+	    or die "cannot rename $releaseDir2 to $releaseDir3";
+    }
+    rename $releaseDir1, $releaseDir2
+	or die "cannot rename $releaseDir1 to $releaseDir2";
+
+    printResult "$releaseName";
+}
+
+# Check for release existence.
+elsif ($command eq "exists") {
+    die unless $args =~ /^([A-Za-z0-9-][A-Za-z0-9-\.]*)$/;
+    my $releaseName = $1;
+
+    my $releaseDir = "$releasesDir/$releaseName";
+
+    if (-d $releaseDir) {
+	printResult "yes";
+    } else {
+	printResult "no";
+    }
+}
+
+else {
+    die "invalid command";
+}
diff --git a/nix-dist/server-side/cgi-bin/upload.pl b/nix-dist/server-side/cgi-bin/upload.pl
index 4d303c77d38..63ad085b617 100755
--- a/nix-dist/server-side/cgi-bin/upload.pl
+++ b/nix-dist/server-side/cgi-bin/upload.pl
@@ -5,7 +5,7 @@ use strict;
 my $uploadpath = $ENV{"PATH_INFO"};
 
 # Sanitise upload path.
-die unless $uploadpath =~ /^(\/[A-Za-z0-9-][A-Za-z0-9-\.]+)+$/;
+die unless $uploadpath =~ /^(\/[A-Za-z0-9-][A-Za-z0-9-\.]*)+$/;
 
 my $dst = "/home/eelco/public_html/nix/$uploadpath";
 my $tmp = "${dst}_$$";