remove references to iscallsign
[spider.git] / perl / client.pl
index 850b81d6f108da40bf7194e937438aa03e7cf402..b36be34715282605f542948529e1c2f96e375dc4 100755 (executable)
@@ -41,19 +41,20 @@ BEGIN {
 use Msg;
 use DXVars;
 use DXDebug;
+use DXUtil;
+use Net::Telnet qw(TELOPT_ECHO TELOPT_BINARY);
 use IO::File;
 use IO::Socket;
 use IPC::Open2;
-use Net::Telnet qw(TELOPT_ECHO);
-use Carp qw{cluck};
 
 # cease communications
 sub cease
 {
        my $sendz = shift;
-       if ($conn && $sendz) {
-               $conn->send_now("Z$call|bye...\n");
-       }
+#      if ($conn && $sendz) {
+#              $conn->send_now("Z$call|bye...");
+#              sleep(1);
+#      }
        $stdout->flush if $stdout;
        if ($pid) {
                dbg('connect', "killing $pid");
@@ -62,6 +63,9 @@ sub cease
        dbgclose();
 #      $SIG{__WARN__} = sub {my $a = shift; cluck($a); };
        sleep(1);
+
+       # do we need this ?
+       $conn->disconnect if $conn;
        exit(0);        
 }
 
@@ -95,15 +99,17 @@ sub rec_socket
 {
        my ($con, $msg, $err) = @_;
        if (defined $err && $err) {
-               cease(1);
+               cease(0);
        }
        if (defined $msg) {
-               my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
+               my ($sort, $call, $line) = $msg =~ /^(\w)([^\|]+)\|(.*)$/;
                
                if ($sort eq 'D') {
                        my $snl = $mynl;
                        my $newsavenl = "";
                        $snl = "" if $mode == 0;
+                       $snl = "\r\n" if $mode == 3;
+                       $snl = "\n" if $mode == 2;
                        if ($mode == 2 && $line =~ />$/) {
                                $newsavenl = $snl;
                                $snl = ' ';
@@ -113,6 +119,8 @@ sub rec_socket
                        if ($buffered) {
                                if (length $outqueue >= $client_buffer_lth) {
                                        print $stdout $outqueue;
+                                       pop @echo if @echo > $maxecho;
+                                       push @echo, $outqueue;
                                        $outqueue = "";
                                }
                                $outqueue .= "$savenl$line$snl";
@@ -138,12 +146,22 @@ sub rec_socket
                } elsif ($sort eq 'B') {
                        if ($buffered && $outqueue) {
                                print $stdout $outqueue;
+                               pop @echo if @echo > $maxecho;
+                               push @echo, $outqueue;
                                $outqueue = "";
                        }
                        $buffered = $line;      # set buffered or unbuffered
                } elsif ($sort eq 'Z') { # end, disconnect, go, away .....
                        cease(0);
-               }         
+               } 
+
+               # ******************************************************
+               # ******************************************************
+               # any other sorts that might happen are silently ignored.
+               # ******************************************************
+               # ******************************************************
+       } else {
+               cease(0);
        }
        $lasttime = time; 
 }
@@ -163,10 +181,13 @@ 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;
+                       $buf =~ s/\r/\n/g if $mode == 1;
+                       $buf =~ s/[\r\x00]//g if $mode == 2 || $mode == 3;
+                       
                        $dangle = !($buf =~ /\n$/);
                        if ($buf eq "\n") {
                                @lines = (" ");
@@ -182,6 +203,7 @@ sub rec_stdin
                        unshift @lines, ($lastbit . $first) if ($first);
                        foreach $first (@lines) {
                                #                 print "send_now $call $first\n";
+                               next if grep {$_ eq $first } @echo;
                                $conn->send_later("I$call|$first");
                        }
                        $lastbit = $buf;
@@ -189,9 +211,7 @@ sub rec_stdin
                } else {
                        $conn->send_later("I$call|$buf");
                }
-       } elsif ($r == 0) {
-               cease(1);
-       }
+       } 
        $lasttime = time;
 }
 
@@ -208,25 +228,23 @@ sub doconnect
                my ($host, $port) = split /\s+/, $line;
                $port = 23 if !$port;
                
-#              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);
-                       $sock->open($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 $!";
-#              }
+               $sock = new Net::Telnet (Timeout => $timeout, Port => $port);
+               $sock->option_callback(\&optioncb);
+               $sock->output_record_separator('');
+               $sock->option_accept(Dont => TELOPT_ECHO, Wont => TELOPT_ECHO);
+               $sock->open($host) or die "Can't connect to $host port $port $!";
+               $sock->binmode(1);
+               $mode = 3;
        } elsif ($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);
+               $mode = 1;
        } else {
                die "invalid type of connection ($sort)";
        }
@@ -259,14 +277,24 @@ sub dochat
                for (;;) {
                        if ($csort eq 'telnet') {
                                $line = $sock->get();
-                               $line =~ s/\r\n/\n/og;
+                               cease(11) unless $line;          # the socket has gone away?
+                               if (length $line == 0) {
+                                       dbg('connect', "received 0 length line, aborting...");
+                                       cease(11);
+                               }
+                               $line =~ s/\r//g;
                                chomp;
                        } elsif ($csort eq 'ax25' || $csort eq 'prog') {
                                local $/ = "\r";
                                $line = <$rfh>;
-                               $line =~ s/\r//og;
+                               if (length $line == 0) {
+                                       dbg('connect', "received 0 length line, aborting...");
+                                       cease(11);
+                               }
+                               $line =~ s/\r/\n/g;
+                               chomp;
                        }
-                       dbg('connect', "received \"$line\"");
+                       dbg('connect', map { "received \"$_\"" } split /\n/, $line);
                        if ($abort && $line =~ /$abort/i) {
                                dbg('connect', "aborted on /$abort/");
                                cease(11);
@@ -291,6 +319,14 @@ sub timeout
        cease(0);
 }
 
+# handle callsign and connection type firtling
+sub doclient
+{
+       my $line = shift;
+       my @f = split /\s+/, $line;
+       $call = uc $f[0] if $f[0];
+       $csort = $f[1] if $f[1];
+}
 
 #
 # initialisation
@@ -309,6 +345,7 @@ $savenl = "";                   # an NL that has been saved from last time
 $timeout = 60;                  # default timeout for connects
 $abort = "";                    # the current abort string
 $cpath = "$root/connect";              # the basic connect directory
+$maxecho = 5;                  # length of max echo queue
 
 $pid = 0;                       # the pid of the child program
 $csort = "";                    # the connection type
@@ -325,9 +362,9 @@ $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';
@@ -345,7 +382,7 @@ $stdout->autoflush(1);
 
 $SIG{'INT'} = \&sig_term;
 $SIG{'TERM'} = \&sig_term;
-$SIG{'HUP'} = 'IGNORE';
+$SIG{'HUP'} = \&sig_term;
 $SIG{'CHLD'} = \&sig_chld;
 $SIG{'ALRM'} = \&timeout;
 
@@ -356,6 +393,9 @@ if ($loginreq) {
        my $user;
        my $s;
 
+       $connsort = 'telnet' if $connsort eq 'local';
+       setmode();
+
        if (-e "$data/issue") {
                open(I, "$data/issue") or die;
                local $/ = undef;
@@ -366,51 +406,25 @@ if ($loginreq) {
                $stdout->print($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);
+       alarm($timeout);
                
-               if ($state == 0) {
-                       $stdout->print('login: ');
-                       $stdout->flush();
-                       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 $\ = $nl;
-                       $s = $stdin->getline();
-                       chomp $s;
-                       $state = 2;
-                       if (!$user || ($user->passwd && $user->passwd ne $s)) {
-                               $stdout->print("sorry...$nl");
-                               cease(0);
-                       }
-               }
-       }
-}
-
-# handle callsign and connection type firtling
-sub doclient
-{
-       my $line = shift;
-       my @f = split /\s+/, $line;
-       $call = uc $f[0] if $f[0];
-       $csort = $f[1] if $f[1];
+       $stdout->print('login: ');
+       $stdout->flush();
+       local $\ = $mynl;
+       $s = $stdin->getline();
+       chomp $s;
+       $s =~ s/\s+//og;
+       $s =~ s/-\d+$//o;            # no ssids!
+       cease(0) unless $s && $s gt ' ';
+       unless (is_callsign($s)) {
+               $stdout->print("Sorry, $s is an invalid callsign");
+               cease(0);
+       } 
+       $call = uc $s;
+       alarm(0);
 }
 
 # is this an out going connection?
@@ -430,8 +444,8 @@ if ($connsort eq "connect") {
                doconnect($1, $2) if /^\s*co\w*\s+(\w+)\s+(.*)$/io;
                doabort($1) if /^\s*a\w*\s+(.*)/io;
                dotimeout($1) if /^\s*t\w*\s+(\d+)/io;
-               dochat($1, $2) if /\s*\'(.*)\'\s+\'(.*)\'/io;
-               if (/\s*cl\w+\s+(.*)/io) {
+               dochat($1, $2) if /^\s*\'(.*)\'\s+\'(.*)\'/io;
+               if (/^\s*cl\w+\s+(.*)/io) {
                        doclient($1);
                        last;
                }
@@ -460,21 +474,36 @@ if ($connsort eq "connect") {
     $outbound = 1;
        $connsort = $csort;
        $stdout->autoflush(1);
+       $mode = ($connsort eq 'ax25') ? 1 : $mode;
        close STDIN;
        close STDOUT;
        close STDERR;
 }
 
-$mode = ($connsort eq 'ax25') ? 1 : 2;
 setmode();
 
+# adjust the callsign if it has an SSID, SSID <= 8 are legal > 8 are netrom connections
+$call =~ s/-0$//;     # strip off -0 as this is equiv to just call on its own
+my ($scall, $ssid) = split /-/, $call;
+$ssid = undef unless $ssid && $ssid =~ /^\d+$/;  
+if ($ssid) {
+       $ssid = 15 if $ssid > 15;
+       if ($connsort eq 'ax25') {
+               if ($ssid > 8) {
+                       $ssid = 15 - $ssid;
+               }
+       }
+       $call = "$scall-$ssid";
+}
+
+
 $conn = Msg->connect("$clusteraddr", $clusterport, \&rec_socket);
 if (! $conn) {
        if (-r "$data/offline") {
                open IN, "$data/offline" or die;
                while (<IN>) {
                        s/\n/\r/og if $mode == 1;
-                       print $stdout;
+                       print $stdout $_;
                }
                close IN;
        } else {
@@ -489,7 +518,7 @@ Msg->set_event_handler($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) {