Updated tentacle_server as the same as under pandora_server directory.
This commit is contained in:
Junichi Satoh
parent
f2f972192f
commit
b6f16206fe
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@ -30,7 +30,7 @@ tentacle_server - Tentacle Server
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=head1 VERSION
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Version 0.4.0
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Version 0.5.0
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=head1 USAGE
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@ -86,8 +86,11 @@ my $SOCKET_MODULE =
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# Service name for Win32.
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my $SERVICE_NAME="Tentacle Server";
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# Service parameters.
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my $SERVICE_PARAMS=join(' ', @ARGV);
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# Program version
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our $VERSION = '0.4.0';
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our $VERSION = '0.5.0';
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# IPv4 address to listen on
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my @t_addresses = ('0', '0.0.0.0');
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@ -139,7 +142,9 @@ my $t_sem :shared;
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# Server socket
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my @t_server_sockets;
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my $select;
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# Server select handler
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my $t_server_select;
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# Use SSL, 1 true, 0 false
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my $t_ssl = 0;
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@ -159,10 +164,10 @@ my $t_ssl_pwd = '';
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# Timeout for socket read/write operations in seconds
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my $t_timeout = 1;
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#Bridge IP to actuate as a proxy
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# Address to proxy client requests to
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my $t_proxy_ip = undef;
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# Proxy port by default 41121
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# Port to proxy client requests to
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my $t_proxy_port = 41121;
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# Proxy socket
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@ -189,7 +194,7 @@ sub print_help {
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print ("Tentacle server v$VERSION. See http://www.openideas.info/wiki for protocol description.\n\n");
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print ("Options:\n");
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print ("\t-a ip_addresses\tIP addresses to listen on (default @t_addresses).\n");
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print ("\t\t(Multiple addresses separated by comma can be defined.)\n");
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print ("\t \t(Multiple addresses separated by comma can be defined.)\n");
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print ("\t-c number\tMaximum number of simultaneous connections (default $t_max_conn).\n");
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print ("\t-d\t\tRun as daemon.\n");
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print ("\t-e cert\t\tOpenSSL certificate file. Enables SSL.\n");
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@ -206,11 +211,11 @@ sub print_help {
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print ("\t-t time\t\tTime-out for network operations in seconds (default ${t_timeout}s).\n");
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print ("\t-v\t\tBe verbose.\n");
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print ("\t-w\t\tPrompt for OpenSSL private key password.\n");
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print ("\t-x pwd\t\tServer password.\n\n");
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print ("\t-b proxy_ip_address\t\tProxied server address.\n\n");
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print ("\t-g proxy_port\t\tPort of proxied server.\n\n");
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print ("\t-x pwd\t\tServer password.\n");
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print ("\t-b ip_address\tProxy requests to the given address.\n");
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print ("\t-g port\t\tProxy requests to the given port.\n");
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print ("\t-T\t\tEnable tcpwrappers support.\n");
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print ("\t\t(To use this option, 'Authen::Libwrap' should be installed.)\n\n");
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print ("\t \t\t(To use this option, 'Authen::Libwrap' should be installed.)\n\n");
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}
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################################################################################
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@ -261,6 +266,23 @@ sub parse_options {
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exit 1;
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}
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# The Win32 service must be installed/uninstalled without checking other parameters.
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if (defined ($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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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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}
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}
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}
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# Address
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if (defined ($opts{'a'})) {
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@t_addresses = ();
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@ -462,11 +484,7 @@ sub parse_options {
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eval "use Win32::Daemon";
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die($@) if ($@);
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if ($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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if ($service_action eq 'run') {
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Win32::Daemon::RegisterCallbacks({
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start => \&callback_start,
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running => \&callback_running,
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@ -483,9 +501,9 @@ sub parse_options {
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################################################################################
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## SUB start_proxy
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## Open the server socket.
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## Open the proxy server socket.
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################################################################################
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sub open_proxy {
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sub start_proxy {
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# Connect to server
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$t_proxy_socket = $SOCKET_MODULE->new (
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@ -498,8 +516,8 @@ sub open_proxy {
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}
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# Create proxy selector
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$t_proxy_select = IO::Select->new ();
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$t_proxy_select->add ($t_proxy_socket);
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$t_proxy_select = IO::Select->new ();
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$t_proxy_select->add ($t_proxy_socket);
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}
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@ -538,11 +556,11 @@ sub start_server {
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if (!@t_server_sockets) {
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error ("Cannot open socket for all addresses on port $t_port: $!.");
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}
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}
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$select = IO::Select->new();
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$t_server_select = IO::Select->new();
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foreach my $t_server_socket (@t_server_sockets){
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$select->add($t_server_socket);
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$t_server_select->add($t_server_socket);
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}
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}
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@ -601,8 +619,6 @@ sub send_data_proxy {
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################################################################################
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sub close_proxy {
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$t_proxy_socket->close ();
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print_log ("Proxy socket closed");
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}
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################################################################################
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@ -666,6 +682,9 @@ sub accept_connections {
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my $pid;
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my $t_server_socket;
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# Ignore SIGPIPE errors (happens on FreeBSD when SSL is enabled ¿?)
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$SIG{PIPE} = 'IGNORE';
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# Start server
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start_server ();
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@ -673,7 +692,7 @@ sub accept_connections {
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$t_sem = Thread::Semaphore->new ($t_max_conn);
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while (1) {
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my @ready = $select->can_read;
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my @ready = $t_server_select->can_read;
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foreach $t_server_socket (@ready) {
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# Accept connection
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@ -744,40 +763,25 @@ sub serve_client() {
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## Actuate as a proxy between its client and other tentacle server.
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################################################################################
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sub serve_proxy_connection {
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my $read;
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my $data=1;
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# Start a connection with the other Tentacle Server
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open_proxy();
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my $command;
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# We are a proxy! Start a connection to the Tentacle Server.
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start_proxy();
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# Read commands
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while ($command = recv_command ($t_block_size)) {
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# Client wants to send a file
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if ($command =~ /^SEND <(.*)> SIZE (\d+)$/) {
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recv_file_proxy($command, $2);
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# Forward data between the client and the server.
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eval {
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while (1) {
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if ($t_select->can_read(0)) {
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my ($read, $data) = recv_data($t_block_size);
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send_data_proxy($data);
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}
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if ($t_proxy_select->can_read(0)) {
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my ($read, $data) = recv_data_proxy($t_block_size);
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send_data($data);
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}
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}
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# Client wants to receive a file
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elsif ($command =~ /^RECV <(.*)>$/) {
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send_file_proxy ($command);
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}
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# Quit
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elsif ($command =~ /^QUIT$/) {
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print_log ("Connection closed from " . $t_client_socket->sockhost ());
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# End proxy connection
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send_data_proxy("QUIT\n");
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last;
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}
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# Unknown command
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else {
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print_log ("Unknown command '$command' from " . $t_client_socket->sockhost ());
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last;
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}
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}
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};
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# End a connection with the other Tentacle Server
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# Close the connection to the Tentacle Server.
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close_proxy();
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}
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@ -843,43 +847,6 @@ sub auth_pwd {
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send_data ("PASS OK\n");
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}
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################################################################################
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## SUB recv_file_proxy
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## Redirect file from agent to proxy
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################################################################################
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sub recv_file_proxy ($$) {
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my ($command, $size) = @_;
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# Send command to proxy
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print_log ("[PROXY] Host: ".$t_client_socket->sockhost()." send ".$command." to ".$t_proxy_socket->sockhost ());
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send_data_proxy($command."\n");
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# Proxied server response
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my $rc = dump_data($t_proxy_socket, $t_client_socket);
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# Check if there was an error
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if ($rc == -1) {
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return;
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}
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# Client send data to server
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$rc = dump_data($t_client_socket, $t_proxy_socket, $size);
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# Check if there was an error
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if ($rc == -1) {
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return;
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}
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# Server says if data was recieved or not
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$rc = dump_data($t_proxy_socket, $t_client_socket);
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# Check if there was an error
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if ($rc == -1) {
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return;
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}
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}
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################################################################################
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## SUB recv_file
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## Receive a file of size $_[1] and save it in $t_directory as $_[0].
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@ -929,45 +896,6 @@ sub recv_file {
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print_log ("Received file '$base_name' size ${size}b from " . $t_client_socket->sockhost ());
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}
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################################################################################
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## SUB send_file_proxy
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## Redirect file from agent to proxy
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################################################################################
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sub send_file_proxy ($) {
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my ($command) = @_;
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my $size;
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# Send command to proxy
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print_log ("[PROXY] ".$t_client_socket->sockhost()." send ".$command." to ".$t_proxy_socket->sockhost ());
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send_data_proxy($command."\n");
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$command = recv_command_proxy($t_block_size);
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if ($command =~ /^RECV SIZE (\d+)$/) {
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$size = $1;
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}
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print_log ("[PROXY] ".$t_proxy_socket->sockhost()." send ".$command." to ".$t_client_socket->sockhost ());
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send_data($command."\n");
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# Client send OK to server
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my $rc = dump_data($t_client_socket, $t_proxy_socket);
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# Check if there was an error
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if ($rc == -1) {
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return;
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}
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# Proxied server send the file to client
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$rc = dump_data($t_proxy_socket, $t_client_socket, $size);
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# Check if there was an error
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if ($rc == -1) {
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return;
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}
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}
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################################################################################
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## SUB send_file
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## Send a file to the client
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@ -1176,127 +1104,6 @@ sub send_data {
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}
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}
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################################################################################
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## SUB dump_data
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## Dump data from a socket to another one. Following Tentacle Protocol.
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################################################################################
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sub dump_data($$;$) {
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my ($from, $to, $size) = @_;
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my $read;
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my $data;
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my $buffer = "";
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my $written;
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my $total = $size;
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my $t_select_read = undef;
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my $t_select_write = undef;
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# Assign the correct selector for each socket
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if ($from == $t_proxy_socket) {
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# We must read from t_proxy_socket
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$t_select_read = $t_proxy_select;
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$t_select_write = $t_select;
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} else {
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# We must read from t_client_socket
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$t_select_read = $t_select;
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$t_select_write = $t_proxy_select;
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}
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while (1) {
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# Ensure we can read from socket
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if ($t_select_read->can_read()) {
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# Ensure we can write from socket
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if ($t_select_write->can_write()) {
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$read = "";
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$read = sysread ($from, $data, $t_block_size);
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# Read error
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if (! defined ($read)) {
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error ("Read error from " . $from->sockhost () . ": $!.");
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return -1;
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}
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# EOF
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if ($read == 0) {
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error ("Connection from " . $from->sockhost () . " unexpectedly closed.");
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return -1;
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}
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$written = syswrite ($to, $data, $read);
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if ($written != $read) {
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error ("Connection from " . $to->sockhost () . " unexpectedly closed.");
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return -1;
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}
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$buffer .= $data;
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if (! defined ($size)) {
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# If no size defined check for \n
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# because a command was sent.
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if ($buffer =~ /\n$/) {
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# Delete CHAR \n
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chop($buffer);
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print_log ("[PROXY] ".$from->sockhost()." send ".$buffer." to ".$to->sockhost ());
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# Returns error if proxy returns error to end connection
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if ($buffer =~ /SEND ERR/) {
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return -1;
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} else {
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return 0;
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}
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}
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} else {
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# If size is defined check if all bytes were sent
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$size = $size - $read;
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if ($size == 0) {
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print_log ("[PROXY] ".$from->sockhost()." send ".$total."b to ".$to->sockhost());
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return 0;
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}
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}
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}
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}
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}
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}
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################################################################################
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## SUB recv_command_proxy
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## Read a command from the proxied server, ended by a new line character.
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################################################################################
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sub recv_command_proxy {
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my $buffer;
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my $char;
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my $command = '';
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my $read;
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my $total = 0;
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while (1) {
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($read, $buffer) = recv_data_proxy ($t_block_size);
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$command .= $buffer;
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$total += $read;
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# Check if the command is complete
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$char = chop ($command);
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if ($char eq "\n") {
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return $command;
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}
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$command .= $char;
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# Avoid overflow
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if ($total > $t_block_size) {
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error ("Received too much data from " . $t_proxy_socket->sockhost () . ".");
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}
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}
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}
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################################################################################
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## SUB recv_command
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## Read a command from the client, ended by a new line character.
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@ -1414,7 +1221,10 @@ sub apply_filters ($) {
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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_params = $SERVICE_PARAMS;
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# Change the service parameter from 'install' to 'run'.
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$service_params =~ s/\-S\s+\S+/\-S run/;
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my %service_hash = (
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machine => '',
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