change time outs on selects
[spider.git] / perl / client.pl
index cc185a17838622f4c2631464ca4ea5554947b39a..a7185ab208de387c0a58df593ca3c4597e2a5151 100755 (executable)
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/perl -w
 #
 # A thing that implements dxcluster 'protocol'
 #
@@ -26,6 +26,7 @@
 # $Id$
 # 
 
+require 5.004;
 
 # search local then perl directories
 BEGIN {
@@ -40,12 +41,11 @@ BEGIN {
 use Msg;
 use DXVars;
 use DXDebug;
-use DXUser;
+use Net::Telnet qw(TELOPT_ECHO);
 use IO::File;
 use IO::Socket;
 use IPC::Open2;
-use Net::Telnet qw(TELOPT_ECHO);
-use Carp;
+use Carp qw{cluck};
 
 # cease communications
 sub cease
@@ -55,7 +55,12 @@ sub cease
                $conn->send_now("Z$call|bye...\n");
        }
        $stdout->flush if $stdout;
-       kill(15, $pid) if $pid;
+       if ($pid) {
+               dbg('connect', "killing $pid");
+               kill(9, $pid);
+       }
+       dbgclose();
+#      $SIG{__WARN__} = sub {my $a = shift; cluck($a); };
        sleep(1);
        exit(0);        
 }
@@ -71,6 +76,7 @@ sub sig_chld
 {
        $SIG{CHLD} = \&sig_chld;
        $waitedpid = wait;
+       dbg('connect', "caught $pid");
 }
 
 
@@ -92,7 +98,7 @@ sub rec_socket
                cease(1);
        }
        if (defined $msg) {
-               my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
+               my ($sort, $call, $line) = $msg =~ /^(\w)([A-Z0-9\-]+)\|(.*)$/;
                
                if ($sort eq 'D') {
                        my $snl = $mynl;
@@ -105,7 +111,7 @@ sub rec_socket
                        $line =~ s/\n/\r/og if $mode == 1;
                        #my $p = qq($line$snl);
                        if ($buffered) {
-                               if (length $outqueue >= 128) {
+                               if (length $outqueue >= $client_buffer_lth) {
                                        print $stdout $outqueue;
                                        $outqueue = "";
                                }
@@ -123,7 +129,8 @@ sub rec_socket
                                $mode = $line;          # set echo mode from cluster
                                my $term = POSIX::Termios->new;
                                $term->getattr(fileno($sock));
-                               $term->setflag( &POSIX::ISIG );
+                               $term->setiflag( 0 );
+                               $term->setoflag( 0 );
                                $term->setattr(fileno($sock), &POSIX::TCSANOW );
                        }
                } elsif ($sort eq 'I') {
@@ -156,7 +163,9 @@ sub rec_stdin
        #  $prbuf =~ s/\r/\\r/;
        #  $prbuf =~ s/\n/\\n/;
        #  print "sys: $r ($prbuf)\n";
-       if ($r > 0) {
+       if (!defined $r || $r == 0) {
+               cease(1);
+       } elsif ($r > 0) {
                if ($mode) {
                        $buf =~ s/\r/\n/og if $mode == 1;
                        $buf =~ s/\r\n/\n/og if $mode == 2;
@@ -182,9 +191,7 @@ sub rec_stdin
                } else {
                        $conn->send_later("I$call|$buf");
                }
-       } elsif ($r == 0) {
-               cease(1);
-       }
+       } 
        $lasttime = time;
 }
 
@@ -201,24 +208,26 @@ sub doconnect
                my ($host, $port) = split /\s+/, $line;
                $port = 23 if !$port;
                
-               if ($port == 23) {
-                       $sock = new Net::Telnet (Timeout => $timeout);
+#              if ($port == 23) {
+
+                       $sock = new Net::Telnet (Timeout => $timeout, Port => $port);
                        $sock->option_callback(\&optioncb);
                        $sock->output_record_separator('');
-                       $sock->option_log('option_log');
-                       $sock->dump_log('dump');
-                       $sock->option_accept(Wont => TELOPT_ECHO);
+#                      $sock->option_log('option_log');
+#                      $sock->dump_log('dump');
+                       $sock->option_accept(Dont => TELOPT_ECHO, Wont => TELOPT_ECHO);
                        $sock->open($host) or die "Can't connect to $host port $port $!";
-               } else {
-                       $sock = IO::Socket::INET->new(PeerAddr => "$host:$port", Proto => 'tcp')
-                               or die "Can't connect to $host port $port $!";
-                       
-               }
+#              } else {
+#                      $sock = IO::Socket::INET->new(PeerAddr => "$host:$port", Proto => 'tcp')
+#                              or die "Can't connect to $host port $port $!";
+#              }
        } elsif ($sort eq 'ax25' || $sort eq 'prog') {
                my @args = split /\s+/, $line;
                $rfh = new IO::File;
                $wfh = new IO::File;
                $pid = open2($rfh, $wfh, "$line") or die "can't do $line $!";
+               die "no receive channel $!" unless $rfh;
+               die "no transmit channel $!" unless $wfh;
                dbg('connect', "got pid $pid");
                $wfh->autoflush(1);
        } else {
@@ -253,6 +262,7 @@ sub dochat
                for (;;) {
                        if ($csort eq 'telnet') {
                                $line = $sock->get();
+                               cease(11) unless $line;          # the socket has gone away?
                                $line =~ s/\r\n/\n/og;
                                chomp;
                        } elsif ($csort eq 'ax25' || $csort eq 'prog') {
@@ -282,7 +292,7 @@ sub dochat
 sub timeout
 {
        dbg('connect', "timed out after $timeout seconds");
-       cease(10);
+       cease(0);
 }
 
 
@@ -292,12 +302,12 @@ sub timeout
 
 $mode = 2;                      # 1 - \n = \r as EOL, 2 - \n = \n, 0 - transparent
 $call = "";                     # the callsign being used
-@stdoutq = ();                  # the queue of stuff to send out to the user
 $conn = 0;                      # the connection object for the cluster
 $lastbit = "";                  # the last bit of an incomplete input line
 $mynl = "\n";                   # standard terminator
 $lasttime = time;               # lasttime something happened on the interface
-$outqueue = "";                 # the output queue length
+$outqueue = "";                 # the output queue 
+$client_buffer_lth = 200;       # how many characters are buffered up on outqueue
 $buffered = 1;                  # buffer output
 $savenl = "";                   # an NL that has been saved from last time
 $timeout = 60;                  # default timeout for connects
@@ -313,14 +323,15 @@ $stdout = *STDOUT;
 $rfh = 0;
 $wfh = 0;
 
+$waitedpid = 0;
 
 #
 # deal with args
 #
 
-$call = uc shift @ARGV;
+$call = uc shift @ARGV if @ARGV;
 $call = uc $myalias if !$call;
-$connsort = lc shift @ARGV;
+$connsort = lc shift @ARGV if @ARGV;
 $connsort = 'local' if !$connsort;
 
 $loginreq = $call eq 'LOGIN';
@@ -340,6 +351,7 @@ $SIG{'INT'} = \&sig_term;
 $SIG{'TERM'} = \&sig_term;
 $SIG{'HUP'} = 'IGNORE';
 $SIG{'CHLD'} = \&sig_chld;
+$SIG{'ALRM'} = \&timeout;
 
 dbgadd('connect');
 
@@ -348,28 +360,50 @@ if ($loginreq) {
        my $user;
        my $s;
 
+       if (-e "$data/issue") {
+               open(I, "$data/issue") or die;
+               local $/ = undef;
+               $issue = <I>;
+               close(I);
+               $issue = s/\n/\r/og if $mode == 1;
+               local $/ = $nl;
+               $stdout->print($issue) if $issue;
+       }
+       
+
+       use DXUser;
+       
        DXUser->init($userfn);
        
+       # allow a login from an existing user. I could create a user but
+       # I want to check for valid callsigns and I don't have the 
+       # necessary info / regular expression yet
        for ($state = 0; $state < 2; ) {
                alarm($timeout);
                
                if ($state == 0) {
                        $stdout->print('login: ');
                        $stdout->flush();
-                       local $/ = $mode == 1 ? "\r" : "\n";
+                       local $\ = $nl;
                        $s = $stdin->getline();
                        chomp $s;
+                       $s =~ s/\s+//og;
+                       $s =~ s/-\d+$//o;            # no ssids!
+                       cease(0) unless $s gt ' ';
                        $call = uc $s;
                        $user = DXUser->get($call);
                        $state = 1;
                } elsif ($state == 1) {
                        $stdout->print('password: ');
                        $stdout->flush();
-                       local $/ = $mode == 1 ? "\r" : "\n";
+                       local $\ = $nl;
                        $s = $stdin->getline();
                        chomp $s;
                        $state = 2;
-                       cease(0) if !$user || ($user->passwd && $user->passwd ne $s);
+                       if (!$user || ($user->passwd && $user->passwd ne $s)) {
+                               $stdout->print("sorry...$nl");
+                               cease(0);
+                       }
                }
        }
 }
@@ -390,8 +424,8 @@ if ($connsort eq "connect") {
        open(IN, "$cpath/$mcall") or cease(2);
        @in = <IN>;
        close IN;
-       
-       #       alarm($timeout);
+
+       alarm($timeout);
        
        for (@in) {
                chomp;
@@ -418,7 +452,7 @@ if ($connsort eq "connect") {
                #               close W;
         $stdin = $rfh;
                $stdout = $wfh;
-               $csort = 'telnet' if $sort eq 'prog';
+               $csort = 'telnet' if $csort eq 'prog';
        } elsif ($csort eq 'telnet') {
                #               open(STDIN, "<&$sock"); 
                #               open(STDOUT, ">&$sock"); 
@@ -444,7 +478,7 @@ if (! $conn) {
                open IN, "$data/offline" or die;
                while (<IN>) {
                        s/\n/\r/og if $mode == 1;
-                       print $stdout;
+                       print $stdout $_;
                }
                close IN;
        } else {
@@ -459,7 +493,7 @@ Msg->set_event_handler($stdin, "read" => \&rec_stdin);
 
 for (;;) {
        my $t;
-       Msg->event_loop(1, 0.010);
+       Msg->event_loop(1, 1);
        $t = time;
        if ($t > $lasttime) {
                if ($outqueue) {