added raw mode for cluster connections ?
[spider.git] / perl / client.pl
index a2a690cad22a1bd362c7b1cb5b6818b5687d7344..4a4069f07313c0a6d567bbb14a90e76eb499224d 100755 (executable)
@@ -26,6 +26,7 @@
 # $Id$
 # 
 
+require 5.004;
 
 # search local then perl directories
 BEGIN {
@@ -40,7 +41,6 @@ BEGIN {
 use Msg;
 use DXVars;
 use DXDebug;
-use DXUser;
 use IO::File;
 use IO::Socket;
 use IPC::Open2;
@@ -55,7 +55,10 @@ 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);
+       }
        sleep(1);
        exit(0);        
 }
@@ -71,6 +74,7 @@ sub sig_chld
 {
        $SIG{CHLD} = \&sig_chld;
        $waitedpid = wait;
+       dbg('connect', "caught $pid");
 }
 
 
@@ -105,7 +109,7 @@ 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 +127,8 @@ 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 ($sort eq 'I') {
@@ -201,19 +206,18 @@ sub doconnect
                my ($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);
                        $sock->open($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;
@@ -282,7 +286,7 @@ sub dochat
 sub timeout
 {
        dbg('connect', "timed out after $timeout seconds");
-       cease(10);
+       cease(0);
 }
 
 
@@ -292,12 +296,12 @@ 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
@@ -313,6 +317,7 @@ $stdout = *STDOUT;
 $rfh = 0;
 $wfh = 0;
 
+$waitedpid = 0;
 
 #
 # deal with args
@@ -340,6 +345,7 @@ $SIG{'INT'} = \&sig_term;
 $SIG{'TERM'} = \&sig_term;
 $SIG{'HUP'} = 'IGNORE';
 $SIG{'CHLD'} = \&sig_chld;
+$SIG{'ALRM'} = \&timeout;
 
 dbgadd('connect');
 
@@ -348,32 +354,63 @@ 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);
+                       }
                }
        }
 }
 
+# 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 $f[1];
+}
+
 # is this an out going connection?
 if ($connsort eq "connect") {
        my $mcall = lc $call;
@@ -381,8 +418,8 @@ if ($connsort eq "connect") {
        open(IN, "$cpath/$mcall") or cease(2);
        @in = <IN>;
        close IN;
-       
-       #       alarm($timeout);
+
+       alarm($timeout);
        
        for (@in) {
                chomp;
@@ -391,10 +428,14 @@ 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;          
+               dochat($1, $2) if /\s*\'(.*)\'\s+\'(.*)\'/io;
+               if (/\s*cl\w+\s+(.*)/io) {
+                       doclient($1);
+                       last;
+               }
        }
        
-    dbg('connect', "Connected to $call, starting normal protocol");
+    dbg('connect', "Connected to $call ($csort), starting normal protocol");
        dbgsub('connect');
        
        # if we get here we are connected
@@ -405,7 +446,7 @@ 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");