2014-08-12 Ramon Novoa <rnovoa@artica.es>
* pandora_agent: Fixed to make the 'Command Snapshot' feature work. git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@10409 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
This commit is contained in:
ramonn
parent
7a58f9fa1f
commit
a525b562b0
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@ -1,3 +1,7 @@
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2014-08-12 Ramon Novoa <rnovoa@artica.es>
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* pandora_agent: Fixed to make the 'Command Snapshot' feature work.
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2014-08-12 Ramon Novoa <rnovoa@artica.es>
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* pandora_agent: Trim leading and trailing whitespaces from module names
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@ -1729,12 +1729,7 @@ sub write_module_xml ($@) {
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# Data list
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if ($#data > 0) {
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$Xml .= " <datalist>\n";
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foreach my $data_item (@data) {
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chomp ($data_item);
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$Xml .= " <data><value><![CDATA[$data_item]]></value></data>\n";
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}
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$Xml .= " </datalist>\n";
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$Xml .= " <data><![CDATA[" . join('', @data) . "]]></data>\n";
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# Single data
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} else {
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chomp ($data[0]);
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@ -60,8 +60,14 @@ use strict;
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use warnings;
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use Getopt::Std;
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use IO::Select;
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use threads;
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use Thread::Semaphore;
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use POSIX ":sys_wait_h";
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use Time::HiRes qw(usleep);
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# Constants for Win32 services.
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use constant WIN32_SERVICE_STOPPED => 0x01;
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use constant WIN32_SERVICE_RUNNING => 0x04;
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my $t_libwrap_installed = eval { require Authen::Libwrap } ? 1 : 0;
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@ -77,9 +83,8 @@ my $SOCKET_MODULE =
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: eval { require IO::Socket::INET } ? 'IO::Socket::INET'
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: die $@;
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if ($SOCKET_MODULE eq 'IO::Socket::INET') {
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print_log ("IO::Socket::INET6 is not found. IPv6 is disabled.");
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}
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# Service name for Win32.
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my $SERVICE_NAME="Tentacle Server";
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# Program version
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our $VERSION = '0.4.0';
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@ -130,7 +135,7 @@ my $t_retries = 3;
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my $t_select;
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# Semaphore
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my $t_sem;
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my $t_sem :shared;
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# Server socket
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my @t_server_sockets;
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@ -197,6 +202,7 @@ sub print_help {
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print ("\t-p port\t\tPort to listen on (default $t_port).\n");
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print ("\t-q\t\tQuiet. Do now print error messages.\n");
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print ("\t-r number\tNumber of retries for network opertions (default $t_retries).\n");
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print ("\t-S (install|uninstall|run) Manage the win32 service.\n");
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print ("\t-t time\t\tTime-out for network operations in seconds (default ${t_timeout}s).\n");
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print ("\t-v\t\tBe verbose.\n");
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print ("\t-w\t\tPrompt for OpenSSL private key password.\n");
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@ -240,27 +246,6 @@ sub daemonize {
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POSIX::setsid () || error ("Cannot start a new session: $!.");
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}
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################################################################################
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## SUB start_win_service
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## Turn the current process into a Windows service.
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################################################################################
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#sub start_win_service {
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# require Win32::Daemon;
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#
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# # Tell the OS to start the service
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# Win32::Daemon::StartService ();
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#
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# # Wait until the service manager is ready
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# while (SERVICE_START_PENDING != Win32::Daemon::State()) {
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# sleep (1);
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# }
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#
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# # Tell the service manager we are running
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# Win32::Daemon::State (SERVICE_RUNNING);
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#
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# # Call Win32::Daemon::StopService() when done
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#}
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################################################################################
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## SUB parse_options
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## Parse command line options and initialize global variables.
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@ -271,7 +256,7 @@ sub parse_options {
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my @t_addresses_tmp;
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# Get options
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if (getopts ('a:c:de:f:hi:k:m:op:qr:s:t:vwx:b:g:T', \%opts) == 0 || defined ($opts{'h'})) {
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if (getopts ('a:b:c:de:f:g:hi:k:m:op:qr:s:S:t:Tvwx:', \%opts) == 0 || defined ($opts{'h'})) {
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print_help ();
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exit 1;
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}
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@ -467,19 +452,33 @@ sub parse_options {
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error ("Authen::Libwrap is not installed.");
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}
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}
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}
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################################################################################
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## SUB sigchld_handler
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## Handle child process termination.
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################################################################################
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sub sigchld_handler {
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# Win32 service management
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if (defined ($opts{'S'})) {
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my $service_action = $opts{'S'};
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if ($^O ne 'MSWin32') {
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error ("Windows services are only available on Win32.");
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} else {
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eval "use Win32::Daemon";
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die($@) if ($@);
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while (waitpid(-1, &WNOHANG) > 0) {
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$t_sem->up ();
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if ($service_action eq 'install') {
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install_service();
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} elsif ($service_action eq 'uninstall') {
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uninstall_service();
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} elsif ($service_action eq 'run') {
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Win32::Daemon::RegisterCallbacks({
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start => \&callback_start,
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running => \&callback_running,
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stop => \&callback_stop,
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});
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Win32::Daemon::StartService();
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exit 0;
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} else {
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error("Unknown action: $service_action");
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}
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}
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}
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$SIG{CHLD} = \&sigchld_handler;
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}
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################################################################################
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@ -660,87 +659,86 @@ sub start_ssl {
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}
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################################################################################
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## SUB accept_connection
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## Accept an incoming connection and fork.
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## SUB accept_connections
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## Manage incoming connections.
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################################################################################
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sub accept_connection {
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sub accept_connections {
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my $pid;
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my $t_server_socket;
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my @ready = $select->can_read;
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# Start server
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start_server ();
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foreach $t_server_socket (@ready) {
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# Initialize semaphore
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$t_sem = Thread::Semaphore->new ($t_max_conn);
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# Accept connection
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$t_client_socket = $t_server_socket->accept ();
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while (1) {
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my @ready = $select->can_read;
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foreach $t_server_socket (@ready) {
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if (! defined ($t_client_socket)) {
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# Accept connection
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$t_client_socket = $t_server_socket->accept ();
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# EINTR
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if ($! ne '') {
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next;
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if (! defined ($t_client_socket)) {
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next if ($! ne ''); # EINTR
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error ("accept: $!.");
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}
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error ("accept: $!.");
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print_log ("Client connected from " . $t_client_socket->sockhost ());
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# Create a new thread and serve the client
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$t_sem->down();
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my $thr = threads->create(\&serve_client);
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if (! defined ($thr)) {
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error ("Error creating thread: $!.");
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}
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$thr->detach();
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}
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print_log ("Client connected from " . $t_client_socket->sockhost ());
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usleep (1000);
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}
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}
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# Fork and serve the client
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$pid = fork ();
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if (! defined ($pid)) {
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error ("Cannot fork: $!.");
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################################################################################
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## SUB serve_client
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## Serve a connected client.
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################################################################################
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sub serve_client() {
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if ($t_use_libwrap) {
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if (! hosts_ctl($t_program_name, $t_client_socket)) {
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print_log ("Connection from " . $t_client_socket->sockhost() . " is closed by tcpwrappers.");
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$t_client_socket->close ();
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$t_sem->up();
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return;
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}
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}
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eval {
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# Add client socket to select queue
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$t_select = IO::Select->new ();
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$t_select->add ($t_client_socket);
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# Start SSL
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if ($t_ssl == 1) {
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start_ssl ();
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}
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# Child
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if ($pid == 0) {
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# We do not need the server socket
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$t_server_socket->close ();
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if ($t_use_libwrap) {
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if (! hosts_ctl($t_program_name, $t_client_socket)) {
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print_log ("Connection from " . $t_client_socket->sockhost() . " is closed by tcpwrappers.");
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$t_client_socket->close ();
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exit;
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}
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}
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# Add client socket to select queue
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$t_select = IO::Select->new ();
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$t_select->add ($t_client_socket);
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# Start SSL
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if ($t_ssl == 1) {
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start_ssl ();
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}
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# Authenticate client
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if ($t_pwd ne '') {
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auth_pwd ();
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}
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# Check if proxy mode is enable
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if (defined ($t_proxy_ip)) {
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serve_proxy_connection ();
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} else {
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serve_connection ();
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}
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$t_client_socket->close ();
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# Must exit now
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exit;
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# Authenticate client
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if ($t_pwd ne '') {
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auth_pwd ();
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}
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# Check if proxy mode is enable
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if (defined ($t_proxy_ip)) {
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serve_proxy_connection ();
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} else {
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serve_connection ();
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}
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};
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# Parent
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$t_client_socket->close ();
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}
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$t_client_socket->close ();
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$t_sem->up();
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}
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################################################################################
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@ -1045,10 +1043,8 @@ sub print_log {
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sub error {
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if ($t_quiet == 0) {
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print (STDERR "[err] $_[0]\n");
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die("[err] $_[0]\n\n");
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}
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exit 1;
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}
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################################################################################
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@ -1413,6 +1409,91 @@ sub apply_filters ($) {
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return '';
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}
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################################################################################
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## SUB install_service
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## Install the Windows service.
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################################################################################
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sub install_service() {
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my $service_path = $0;
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my $service_params = "-s \"$t_directory\" -S run";
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my %service_hash = (
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machine => '',
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name => 'TENTACLESRV',
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display => $SERVICE_NAME,
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path => $service_path,
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user => '',
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pwd => '',
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description => 'Tentacle Server http://sourceforge.net/projects/tentacled/',
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parameters => $service_params
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);
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if (Win32::Daemon::CreateService(\%service_hash)) {
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print "Successfully added.\n";
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exit 0;
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} else {
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print "Failed to add service: " . Win32::FormatMessage(Win32::Daemon::GetLastError()) . "\n";
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exit 1;
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}
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}
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################################################################################
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## SUB uninstall_service
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## Install the Windows service.
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################################################################################
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sub uninstall_service() {
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if (Win32::Daemon::DeleteService('', 'TENTACLESRV')) {
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print "Successfully deleted.\n";
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exit 0;
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} else {
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print "Failed to delete service: " . Win32::FormatMessage(Win32::Daemon::GetLastError()) . "\n";
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exit 1;
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}
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}
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################################################################################
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## SUB callback_running
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## Windows service callback function for the running event.
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################################################################################
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sub callback_running {
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if (Win32::Daemon::State() == WIN32_SERVICE_RUNNING) {
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}
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}
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################################################################################
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## SUB callback_start
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## Windows service callback function for the start event.
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################################################################################
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sub callback_start {
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# Accept_connections ();
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my $thr = threads->create(\&accept_connections);
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if (!defined($thr)) {
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Win32::Daemon::State(WIN32_SERVICE_STOPPED);
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Win32::Daemon::StopService();
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return;
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}
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$thr->detach();
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Win32::Daemon::State(WIN32_SERVICE_RUNNING);
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}
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################################################################################
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## SUB callback_stop
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## Windows service callback function for the stop event.
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################################################################################
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sub callback_stop {
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foreach my $t_server_socket (@t_server_sockets) {
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$t_server_socket->close ();
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}
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Win32::Daemon::State(WIN32_SERVICE_STOPPED);
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Win32::Daemon::StopService();
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}
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################################################################################
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# Main
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################################################################################
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@ -1444,25 +1525,16 @@ if ($t_daemon == 1 && $^O ne 'MSWin32') {
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# Handle ctr-c
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if ($^O eq 'MSWin32') {
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no warnings;
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$SIG{INT2} = \&stop_server;
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use warnings;
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}
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else {
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$SIG{INT} = \&stop_server;
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}
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# Handle SIGCHLD
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$SIG{CHLD} = \&sigchld_handler;
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start_server ();
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# Initialize semaphore
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$t_sem = Thread::Semaphore->new ($t_max_conn);
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# Accept connections
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while (1) {
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$t_sem->down ();
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accept_connection ();
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}
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accept_connections();
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__END__
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