session monitor

[freeside.git] / fs_sesmon / FS-SessionClient / fs_sessiond

diff --git a/fs_sesmon/FS-SessionClient/fs_sessiond b/fs_sesmon/FS-SessionClient/fs_sessiond
new file mode 100644 (file)
index 0000000..74d3aab
--- /dev/null
+++ b/fs_sesmon/FS-SessionClient/fs_sessiond
@@ -0,0 +1,64 @@
+#!/usr/bin/perl -Tw
+#
+# fs_sessiond
+#
+# This is run REMOTELY over ssh by fs_session_server
+#
+
+use strict;
+use Socket;
+
+use vars qw( $Debug );
+
+$Debug = 1;
+
+my $fs_session_socket = "/usr/local/freeside/fs_sessiond_socket";
+
+$ENV{'PATH'} ='/usr/local/bin:/usr/bin:/usr/ucb:/bin';
+$ENV{'SHELL'} = '/bin/sh';
+$ENV{'IFS'} = " \t\n";
+$ENV{'CDPATH'} = '';
+$ENV{'ENV'} = '';
+$ENV{'BASH_ENV'} = '';
+
+$|=1;
+
+my $me = "[fs_sessiond]";
+
+warn "$me starting\n" if $Debug;
+#nothing to read from server
+
+warn "$me creating $fs_sessiond_socket\n" if $Debug;
+my $uaddr = sockaddr_un($fs_signupd_socket);
+my $proto = getprotobyname('tcp');
+socket(Server,PF_UNIX,SOCK_STREAM,0) or die "socket: $!";
+unlink($fs_signup_socket);
+bind(Server, $uaddr) or die "bind: $!";
+listen(Server,SOMAXCONN) or die "listen: $!";
+
+warn "$me entering main loop\n" if $Debug;
+my $paddr;
+for ( ; $paddr = accept(Client,Server); close Client) {
+
+  chomp( my $command = <Client> );
+
+  if ( $command eq 'login' || $command eq 'logout' || $command eq 'portnum' ) {
+    warn "$me reading data from local client\n" if $Debug;
+    my @data, $dos;
+    push @data, scalar(<Client>) until $dos++ == 99 || $data[$#data] != "END\n";
+    if ( $dos == 99 ) { 
+      warn "$me WARNING: DoS attempt!" 
+    } else {
+      warn "$me sending data to remote server\n" if $Debug;
+      print "$command\n", @data;
+      warn "$me reading result from remote server\n" if $Debug;
+      my $error = <STDIN>;
+      warn "$me sending error to local client\n" if $Debug;
+      print Client $error;
+    }
+  } else {
+    warn "$me WARNING: unexpected command from client: $command";
+  }
+
+}
+