2014-04-03 Koichiro KIKUCHI <koichiro@rworks.jp>
* bin/tentacle_server: Updated to the logfile supported version. git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@9712 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
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@ -1,3 +1,7 @@
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2014-04-03 Koichiro KIKUCHI <koichiro@rworks.jp>
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* bin/tentacle_server: Updated to the logfile supported version.
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2014-04-03 Ramon Novoa <rnovoa@artica.es>
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* util/recon_scripts/snmp-recon.pl: Added to the repository. Recon SNMP L2
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@ -61,7 +61,7 @@ use warnings;
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use Getopt::Std;
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use IO::Select;
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use Thread::Semaphore;
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use POSIX ":sys_wait_h";
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use POSIX qw(:sys_wait_h strftime);
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my $t_libwrap_installed = eval { require Authen::Libwrap } ? 1 : 0;
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@ -77,10 +77,6 @@ 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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# Program version
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our $VERSION = '0.4.0';
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@ -173,6 +169,10 @@ my $t_use_libwrap = 0;
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my $t_program_name = $0;
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$t_program_name =~ s/.*\///g;
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# logfile name and it's file handle
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my $t_logfile;
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my $t_logfile_handle;
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################################################################################
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## SUB print_help
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## Print help screen.
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@ -192,6 +192,7 @@ sub print_help {
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print ("\t-h\t\tShow help.\n");
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print ("\t-i\t\tFilters.\n");
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print ("\t-k key\t\tOpenSSL private key file.\n");
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print ("\t-l file\t\tPath to the log file. Only used in daemon mode.\n");
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print ("\t-m size\t\tMaximum file size in bytes (default ${t_max_size}b).\n");
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print ("\t-o\t\tEnable file overwrite.\n");
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print ("\t-p port\t\tPort to listen on (default $t_port).\n");
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@ -221,9 +222,13 @@ sub daemonize {
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open (STDIN, '/dev/null') || error ("Cannot read /dev/null: $!.");
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# Do not be verbose when running as a daemon
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open (STDOUT, '>/dev/null') || error ("Cannot write to /dev/null: $!.");
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open (STDERR, '>/dev/null') || error ("Cannot write to /dev/null: $!.");
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if ($t_logfile) {
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open_logfile();
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} else {
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# Do not be verbose when running as a daemon
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open (STDOUT, '>/dev/null') || error ("Cannot write to /dev/null: $!.");
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open (STDERR, '>/dev/null') || error ("Cannot write to /dev/null: $!.");
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}
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# Fork
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$pid = fork ();
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@ -235,6 +240,14 @@ sub daemonize {
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if ($pid != 0) {
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exit;
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}
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$SIG{TERM} = \&stop_server;
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$SIG{HUP} = sub {
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print_log ("SIGHUP received.");
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if ($t_logfile_handle) {
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close($t_logfile_handle);
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open_logfile();
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}
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};
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# Child
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POSIX::setsid () || error ("Cannot start a new session: $!.");
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@ -271,7 +284,7 @@ sub parse_options {
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my @t_addresses_tmp;
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# Get options
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if (getopts ('a:c:de:f:hi:k:m:op:qr:s:t:vwx:b:g:T', \%opts) == 0 || defined ($opts{'h'})) {
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if (getopts ('a:c:de:f:hi:k:l:m:op:qr:s:t:vwx:b:g:T', \%opts) == 0 || defined ($opts{'h'})) {
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print_help ();
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exit 1;
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}
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@ -467,6 +480,10 @@ sub parse_options {
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error ("Authen::Libwrap is not installed.");
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}
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}
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if (defined ($opts{'l'})) {
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$t_logfile = $opts{'l'};
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}
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}
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################################################################################
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@ -510,6 +527,11 @@ sub open_proxy {
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################################################################################
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sub start_server {
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# Show IPv6 status
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if ($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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my $t_server_socket;
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foreach my $t_address (@t_addresses) {
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@ -526,8 +548,9 @@ sub start_server {
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print_log ("Cannot open socket for address $t_address on port $t_port: $!.");
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next;
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}
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print_log ("Server listening on $t_address port $t_port (press <ctr-c> to stop)");
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my $msg = "Server listening on $t_address port $t_port";
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$msg .= " (press <ctr-c> to stop)" unless $t_daemon;
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print_log ($msg);
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# Say message if tentacle proxy is enable
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if (defined ($t_proxy_ip)) {
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@ -606,6 +629,18 @@ sub close_proxy {
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}
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################################################################################
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## SUB open_logfile
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## open logfile and assign log file handle to STDOUT and STDERR
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################################################################################
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sub open_logfile {
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if ($t_logfile) {
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open ($t_logfile_handle, '>>', $t_logfile) || error ("Cannot open log file: $t_logfile: $!.");
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open (STDOUT, '>&', $t_logfile_handle) || error ("Cannot dup log file handle: $!.");
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open (STDERR, '>&', $t_logfile_handle) || error ("Cannot dup log file handle: $!.");
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}
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}
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################################################################################
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## SUB stop_server
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## Close the server socket.
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@ -616,6 +651,9 @@ sub stop_server {
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$t_server_socket->close ();
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}
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print_log ("Server going down");
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if ($t_logfile_handle) {
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close($t_logfile_handle);
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}
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exit 0;
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}
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@ -1027,6 +1065,15 @@ sub send_file {
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# Common functions
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################################################################################
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################################################################################
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## SUB format_log
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## format log message
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################################################################################
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sub format_log {
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return strftime("%Y-%m-%d %H:%M:%S ", localtime())
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. $t_program_name. ' [' . $$ . ']: ' . $_[0];
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}
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################################################################################
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## SUB print_log
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## Print log messages.
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@ -1034,7 +1081,9 @@ sub send_file {
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sub print_log {
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if ($t_log == 1) {
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print (STDOUT "[log] $_[0]\n");
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my $msg = "[log] $_[0]\n";
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$msg = format_log($msg) if ($t_logfile_handle);
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print (STDOUT $msg);
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}
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}
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@ -1045,7 +1094,9 @@ sub print_log {
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sub error {
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if ($t_quiet == 0) {
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print (STDERR "[err] $_[0]\n");
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my $msg = "[err] $_[0]\n";
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$msg = format_log($msg) if ($t_logfile_handle);
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print (STDERR $msg);
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}
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exit 1;
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@ -1432,11 +1483,6 @@ if ($#ARGV != -1) {
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exit 1;
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}
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# Show IPv6 status
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if ($SOCKET_MODULE eq 'IO::Socket::INET') {
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print_log ("IO::Socket::INET6 is not found. IPv6 is disabled.");
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}
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# Run as daemon?
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if ($t_daemon == 1 && $^O ne 'MSWin32') {
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daemonize ();
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@ -1494,6 +1540,8 @@ __END__
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=item I<-k key> B<OpenSSL private key> file.
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=item I<-l file> Path to the B<log file>. Only used in daemon mode.
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=item I<-m size> B<Maximum file size> in bytes (default I<2000000b>).
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=item I<-o> Enable file B<overwrite>.
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