freebsd-ports/mail/premail/files/patch-aa

--- premail.orig	Sat Oct 25 02:19:07 1997
+++ premail	Mon May 17 03:07:52 1999
@@ -2,7 +2,7 @@
 #
 # premail, an e-mail privacy package
 #
-
+use Fcntl;
 $version = '0.46';
 
 # Copyright 1996,1997 Raph Levien <raph@acm.org>
@@ -85,8 +85,11 @@
 
 $config{'rlist-valid'} = 300;
 
-$config{'rlist-url'} = 'http://www.publius.net/rlist';
-$config{'pubring-url'} = 'http://www.publius.net/pubring.pgp';
+#$config{'rlist-url'} = 'http://www.publius.net/rlist';
+#$config{'pubring-url'} = 'http://www.publius.net/pubring.pgp';
+
+$config{'rlist-url'} = 'finger:rlist@anon.lcs.mit.edu';
+$config{'pubring-url'} = 'finger:pubring@anon.lcs.mit.edu';
 $config{'type2-list-url'} = 'http://www.jpunix.com/type2.html';
 $config{'pubring-mix-url'} = 'http://www.jpunix.com/pubring.html';
 
@@ -94,8 +97,12 @@
 
 $config{'encrypt'} = 'yes';
 
+my @RELAYS;
+#@RELAYS = ('anon.lcs.mit.edu');
+
 # the following config options are for testing only!
 #$config{'debug'} = 'chvy';
+$config{'debug'} = '';
 
 # Global state
 
@@ -112,6 +119,7 @@
 $editfile = '';			# name of file to edit
 $dashoi = 0;			# -oi on cmd line
 $more_input = 1;
+$in_active = 0;                 # IN handler opened
 $header_sep = '';
 $in_body = '';			# the filename of the input message body
 $prezilla = 0;			# special mode for Netscape Navigator 2.1
@@ -226,7 +234,7 @@
 # Return the name of the real sendmail executable
     if (!defined $config{'sendmail'} || $config{'sendmail'} eq '') {
 	# Standard place
-	(-x '/usr/lib/sendmail') && return '/usr/lib/sendmail';
+	#(-x '/usr/lib/sendmail') && return '/usr/lib/sendmail';
 	# Newer BSD-based systems
 	(-x '/usr/sbin/sendmail') && return '/usr/sbin/sendmail';
 	# Okay, I give up
@@ -306,8 +314,16 @@
 	} elsif (/^\-oe(.)$/) {
 	    $error_mode = $1;
 	    if ($1 =~ /^[mwpqe]$/) { push (@sendmail_args, $_); }
+	} elsif (/^\--$/) {
+	    ; #end of sendmail args
 	} elsif (/^\-od(.)$/) {
 	    push (@sendmail_args, $_);
+	} elsif (/^\-[BNRV].+$/) {
+	    push (@sendmail_args, $_);
+	} elsif (/^\-[BNRV]$/) {
+	    if ($#_ < 0) { &error ("$_ option needs an argument\n"); }
+	    push (@sendmail_args, $_);
+	    push (@sendmail_args, shift);
         } elsif (/^\-f$/) {
 	    if ($#_ < 0) { &error ("$_ option needs an argument\n"); }
 	    shift;		# discard
@@ -363,7 +379,7 @@
     &apply_cmdline_configs ();
     if ($config{'preferences'}) {
 	$preferences = &tilde_expand ($config{'preferences'});
-	open (PREF, $preferences);
+	if (open (PREF, $preferences)) {
 	while (<PREF>) {
 	    if (/^\s*\$config\{\"([^\"]+)\"\}\s*\=\s*\"([^\"]*)\"/
 		|| /^\s*\$config\{\'([^\']+)\'\}\s*\=\s*\'([^\']*)\'/) {
@@ -371,10 +387,11 @@
 	    }
 	}
 	close (PREF);
+	}
     }
     &apply_cmdline_configs ();
     if ($config{'addresses'}) {
-	open (ADDR, &tilde_expand ($config{'addresses'}));
+	if (open (ADDR, &tilde_expand ($config{'addresses'}))) {
 	while (<ADDR>) {
 	    if (/^([\w\-\_\+\.\@\!]+)\:\s*(.*)$/) {
 		$recip = &strip_address ($1);
@@ -382,6 +399,7 @@
 	    }
 	}
 	close (ADDR);
+	}
     }
     if ($config{'logfile'}) {
 	open (LOG, '>>'.&tilde_expand_mkdir ($config{'logfile'}));
@@ -413,6 +431,7 @@
 	if (!open (IN, $editfile)) {
 	    &error ("cannot open edit file $editfile\n");
 	}
+	$in_active = 1;
 	return 1;
     } elsif ($dashbs) {
 	# do simple SMTP
@@ -463,7 +482,9 @@
 
     @in_headers = ();
     for ($lineno = 0;;$lineno++) {
-	$line = &get_line_body ($body);
+	if (! defined($line = &get_line_body ($body))) {
+	    last;
+	}
 	if ($handle_from && $lineno == 0 && $line =~ /^From /) {
 	    return $line;
 	}
@@ -495,16 +516,16 @@
     my $line;
 
     if ($edit || $post) {
-	$line = <IN>;
+	$line = <IN> if ($in_active);
     } elsif ($dashbs) {
 	$line = <STDIN>;
-	if ($line eq ".\n") { return undef; }
+	if (!defined $line || $line eq ".\n") { return undef; }
 	$line =~ s/^\.\./\./;
     } else {
 	$line = <STDIN>;
 	if (!defined $line || !$dashoi && $line eq ".\n") { return undef; }
     }
-    $line =~ s/\r$//;
+    $line =~ s/\r$// if defined $line;
     return $line;
 }
 
@@ -516,6 +537,7 @@
 #   }
     if ($edit || $post) {
 	close (IN);
+	$in_active = 0;
     } elsif ($dashbs) {
 	print "250 Message accepted for delivery\n";
 	$more_input = 1;
@@ -600,10 +622,7 @@
 
     # suppress cmdline remailers in -t mode; sendmail 8.6.8 manpage '-t'
     if ($dasht) {
-	foreach (@cmdline_recips) {
-#	    print ":".&strip_address($_).":\n";
-	    $ealias{&strip_address($_)} = '';
-	}
+	@cmdline_recips = ();
     }
 
     @recips = ();
@@ -1268,7 +1287,7 @@
     my ($body, @the_recips) = @_;
     my ($key_type, $key);
     my (@keys);
-    my ($new_body, $err, $line);
+    my ($err, $line);
     my (@mime_fields, $prefix, $boundary);
     my ($sign_type, $sign);
     my ($invoc, $errfile);
@@ -1354,7 +1373,7 @@
     my ($body, @the_recips) = @_;
     my ($key_type, $key);
     my (@keys);
-    my ($new_body, $err, $line);
+    my ($err, $line);
     my (@mime_fields, $prefix);
     my ($sign_type, $sign);
     my ($invoc, $errfile);
@@ -1487,6 +1506,16 @@
     } else {
 	$num_shuf = 3;
     }
+    if ($config{"reliability-threshold"}) {
+        $rel_thres = $config{"reliability-threshold"};
+    } else {
+        $rel_thres = 100;
+    }
+    if ($config{"latency-threshold"}) {
+        $lat_thres = $config{"latency-threshold"};
+    } else {
+        $lat_thres = 0;
+    }
     foreach $hop (@chain) {
 	if ($hop =~ /^\d+$/) {
 	    for ($i = 0; $i < $hop; $i++) {
@@ -1498,8 +1527,14 @@
 			  || &member ('eric', @options))) {
 			next;
 		    }
-		    $score = $reliability{$remailer};
-		    $score -= $latency{$remailer} * 1e-5;
+                    if ( $reliability{$remailer}>=$rel_thres ) {
+                        $score = 100 ;
+                    } else {
+		        $score = $reliability{$remailer};
+                    }
+                    if ( $latency{$remailer}>=$lat_thres ) {
+		        $score -= $latency{$remailer} * 1e-5;
+                    }
 		    if ($config{'encrypt'} &&
 			(&member ('pgp', @options)
 			 || &member ('pgp.', @options))) {
@@ -1511,7 +1546,8 @@
 			     || &member ('pgponly', @options)) { next; }
 		    if ($config{'no-middle'}
 			&& &member ('middle', @options)) { next; }
-		    if (&member ('reord', @options)) { $score += 0.1; }
+		    if (&member ('reord', @options)
+			&& $rel_thres==100) { $score += 0.1; }
 		    if (&member ('filter', @options)) { $score -= 10; }
 		    if (&member ('mon', @options)) { $score -= 10; }
 		    if ($#new_chain < 0 && !$erb
@@ -1687,7 +1723,7 @@
 	    }
 	}
 	if ($put_open) { close (PUT); }
-	close (GET);
+	close (WWW);
     }
 }
 
@@ -1817,7 +1853,7 @@
 	}
     }
     push (@deliver_headers, "To\: $new_to\n");
-    if ($addl =~ /\.(encrypt\-key\:\s*[^\.]+)(\.|$)/i) {
+    if (defined $addl && $addl =~ /\.(encrypt\-key\:\s*[^\.]+)(\.|$)/i) {
 	$hash = "$1\n".$hash;
 	$body = &cat_tail ($body, "\*\*\n");
     }
@@ -2214,7 +2250,7 @@
 	# we know it's sendmail
 	$invoc = &bin_sendmail ();
 	if ($#sendmail_args >= 0) {
-	    $invoc .= ' '.join (' ', $sendmail_args);
+	    $invoc .= ' '.join (' ', @sendmail_args);
 	}
 	$invoc .= ' -oi';
 	foreach $recip (@the_recips) {
@@ -2252,11 +2288,11 @@
     &close_body ($body);
     if ($post) {
 	close (DELIVER);
-	$post = &tilde_expand ($config{'post'});
-	if ($post eq '') {
-	    $post = "/usr/lib/mh/post";
+	my $ppost = &tilde_expand ($config{'post'});
+	if ($ppost eq '') {
+	    $ppost = "/usr/lib/mh/post";
 	}
-	system ($post, @post_args, $tmpfile);
+	system ($ppost, @post_args, $tmpfile);
 	unlink $tmpfile;
     } elsif ($edit && !$prezilla) {
 	close (DELIVER);
@@ -2441,6 +2477,7 @@
     }
     $strip =~ s/^\s+//s;
     $strip =~ s/\s+$//s;
+    return ($strip, '') if ($config{'no-caret'}) ;
     return ($strip, $caret);
 }
 
@@ -2801,6 +2838,7 @@
 # (@new_dict) = &delete_field ($key, @dict)
     my ($key, @dict) = @_;
     my (@new_dict);
+    my ($field_key, $field_val);
 
     @new_dict = ();
     foreach $field (@dict) {
@@ -2972,8 +3010,8 @@
 
     $data = '';
     if (open (ERRFILE, $file)) {
-	print $_;
 	while (<ERRFILE>) {
+#           print $_;
 	    $data .= $_;
 	}
 	close (ERRFILE);
@@ -3040,7 +3078,7 @@
 	$pass = '';
     }
     if ($pubring) { $invoc .= ' +pubring='.&shell_quote ($pubring); }
-    $invoc .= ' +comment= -feat';
+    $invoc .= ' +language=en +comment= -feat';
     if ($sign) {
 	$invoc .= 's -u '.&shell_quote ($signuser);
 	&load_secrets ();
@@ -3126,7 +3164,7 @@
 	$signuser = '0x';
 	$pass = '';
     }
-    $invoc .= ' +comment= -fats +clearsig=on';
+    $invoc .= ' +language=en +comment= -fats +clearsig=on';
     $invoc .= ' -u '.&shell_quote ($signuser);
     unless (defined $pass) {
 	if (defined $pgppass{$signuser}) {
@@ -3182,7 +3220,7 @@
 	$signuser = '0x';
 	$pass = '';
     }
-    $invoc .= ' +comment= -fabst';
+    $invoc .= ' +language=en +comment= -fabst';
     $invoc .= ' -u '.&shell_quote ($signuser);
     unless (defined $pass) {
 	if (defined $pgppass{$signuser}) {
@@ -3238,7 +3276,7 @@
     return ($mimefile, $err, $boundary);
 }
 
-my $PUBRING, $SECRING;
+my ($PUBRING, $SECRING);
 sub pgp_decrypt {
 # ($out_body, $err) = &pgp_decrypt ($body, $pass)
 # Try to decrypt $body using passphrase $pass. $out_body is null on error.
@@ -3251,7 +3289,7 @@
     $outfile = &tmp_filename ();
     $errfile = &tmp_filename ();
     $invoc = &tilde_expand ($config{'pgp'});
-    $invoc .= ' +batchmode=on';
+    $invoc .= ' +language=en +batchmode=on';
     $invoc .= " +pubring=$PUBRING" if $PUBRING;
     $invoc .= " +secring=$SECRING" if $SECRING;
 #    if ($pass =~ /^RING$;/) {
@@ -3299,7 +3337,7 @@
 
     $errfile = &tmp_filename ();
     $invoc = &tilde_expand ($config{'pgp'});
-    $invoc .= ' +batchmode=on ';
+    $invoc .= ' +language=en +batchmode=on ';
     $invoc .= ' '.$pgp_file;
     $invoc .= ' '.$signed_file;
     $invoc .= ' > '.$errfile.' 2>&1';
@@ -3344,6 +3382,7 @@
     $ENV{'TMP'} = $pgp_tmpdir;
     if ($pass) {
 	pipe (READER, WRITER);
+	fcntl (READER, F_SETFD, 0);
 	$ENV{'PGPPASSFD'} = fileno(READER);
     }
     $status = open (PGP, $invoc);
@@ -3390,7 +3429,7 @@
     $chars_needed = 2 + sprintf ("%d", $bits / 8);
     &pdv ($config{'pgp'}." +makerandom=$chars_needed $outf"
 	." >/dev/null 2>&1\n");
-    $status = system $config{'pgp'}." +makerandom=$chars_needed $outf"
+    $status = system $config{'pgp'}." +language=en +makerandom=$chars_needed $outf"
 	." >/dev/null 2>&1";
     &pdv ($status."\n");
     if (!$status) {
@@ -3592,6 +3631,7 @@
     if ($x) {
 	if ($ENV{'DISPLAY'}) {
 	    pipe (READER, WRITER);
+	    fcntl (WRITER, F_SETFD, 0);
 	    system 'xterm -geometry 42x4-5-5 -e perl -e \''
 		.'system "stty -echo";print "\n";'
 		.'print "   Remember to logout when done.\n";'
@@ -3626,11 +3666,14 @@
 
     $errfile = &tmp_filename ();
     $invoc = &tilde_expand ($config{'pgp'});
-    $invoc .= ' +batchmode=on -f';
+    $invoc .= ' +language=en +batchmode=on -f';
     $invoc .= ' < '.$ps_pgp;
     $invoc .= ' > '.$ps;
     $invoc .= ' 2> '.$errfile;
     &pdv ("Invoking PGP as $invoc\n");
+    if(-e $ps) {
+	&error ("Premail secrets file already exists\n");
+    }
     $status = &open_pgp ($invoc, $pass, '');
     $err = &read_and_delete ($errfile);
     &pdv ($err);
@@ -3647,7 +3690,7 @@
 	unlink $ps_pgp;
     }
     $invoc = &tilde_expand ($config{'pgp'});
-    $invoc .= ' +batchmode=on -cf';
+    $invoc .= ' +language=en +batchmode=on -cf';
     $invoc .= ' < '.$ps;
     $invoc .= ' > '.$ps_pgp;
     $invoc .= ' 2> '.$errfile;
@@ -3910,7 +3953,8 @@
 		&replace_field ('Content-Type: text/plain; charset='
 				.$config{'charset'}."\n",
 				@deliver_headers);
-	} elsif ($charset =~ /^iso-8859-\d$/i && !$non_ascii) {
+	} elsif (($charset =~ /^iso-8859-\d$/i || $charset =~ /^koi8-r$/i)
+		 && !$non_ascii) {
 	    # Should we detect other charsets which are supersets of us-ascii?
 	    if (!$mv_present) {
 		push (@deliver_headers, 'MIME-Version: 1.0'."\n");
@@ -3923,7 +3967,8 @@
 	}
     }
     # must deal with existing cte, charset, etc.
-    if ($non_ascii || $ctrl || $other) {
+    if ((($non_ascii || $ctrl) && (!$cte_present || lc $cte_val ne '8bit'))
+	|| $other) {
 	# Do the QP
 	&pdv ("Doing QP encoding!\n");
 	if (!$mv_present) {
@@ -4336,6 +4381,8 @@
     exit 0;
 }
 
+use vars qw($SAVE_BODY);
+
 sub decode_msg {
 # &decode_msg ($msg)
 # This is possibly the ugliest function in all of premail. Most of it is
@@ -5129,7 +5176,7 @@
     &load_secrets ();
     foreach (keys %pgpring) {
 	my ($tpr, $tsr) = &makerings ($pgpring{$_});
-	system ("$PGP +batchmode +verbose=0 -kx 0x $pr $tpr > /dev/null");
+	system ("$PGP +language=en +batchmode +verbose=0 -kx 0x $pr $tpr > /dev/null");
 	#filecat ($tpr, $pr);
 	filecat ($tsr, $sr);
 	&delete_tmpfile ($tpr);
@@ -5157,12 +5204,12 @@
 #   &pdv ('&makerings ("'.join ('", "', @_)."\")\n");
     foreach ([$pr, $pk], [$sr, $sk]) {
 	open TMP, ">$$_[0]";
-	print TMP $$_[1];
+	print TMP $$_[1] if defined $$_[1];
 	close TMP;
     }
     my $PGP = &tilde_expand ($config{'pgp'});
     foreach $id (@pubkeys) {
-	my $invoc = "$PGP +batchmode +force +verbose=0 -kx "
+	my $invoc = "$PGP +language=en +batchmode +force +verbose=0 -kx "
 	    . "$id $pr $pubring 2>&1";
 	&pdv ("$invoc > /dev/null\n");
 	system "$invoc > /dev/null";
@@ -5189,7 +5236,7 @@
     $outfile = &tmp_filename ();
     $errfile = &tmp_filename ();
     $invoc = &tilde_expand ($config{'pgp'});
-    $invoc .= ' +batchmode +force +verbose=0 ';
+    $invoc .= ' +language=en +batchmode +force +verbose=0 ';
     $invoc .= " +pubring=$pr +secring=$sr ";
     $invoc .= $cmd;
     $invoc .= ' < ' . $infile if $infile;
@@ -5248,7 +5295,7 @@
 EOF
     <STDIN>;
 
-    if (system ("$PGP -kg +pubring=$pr +secring=$sr +verbose=0")) {
+    if (system ("$PGP +language=en -kg +pubring=$pr +secring=$sr +verbose=0")) {
 	print STDERR "\nKey generation failed.\n";
 	&killbaks ($pr, $sr);
 	&delete_open_tmpfiles ();
@@ -5272,7 +5319,7 @@
     foreach $a ("$kid $pr",
 		"$remid $pr " . &tilde_expand ($config{'pubring'}),
 		"$kid $sr $defsr") {
-	my $invoc = "$PGP +batchmode +force +verbose=0 -kx $a 2>&1";
+	my $invoc = "$PGP +language=en +batchmode +force +verbose=0 -kx $a 2>&1";
 #	print STDERR "+ $invoc\n";
 	my $result = `$invoc`;
 	unless ($result =~ /^Key extracted/m) {
@@ -5300,7 +5347,7 @@
 EOF
     <STDIN>;
 
-    my $invoc = "$PGP +secring=$sr -ke $kid $pr";
+    my $invoc = "$PGP +language=en +secring=$sr -ke $kid $pr";
 #    print STDERR "+ $invoc\n";
     if (system ($invoc)) {
 	print STDERR "Edit failed.\n";
@@ -5495,6 +5542,7 @@
 	    }
 	}
     }
+    $signsend = 'n' unless $signsend;
     if ($#args >= 1) {
 	$to = $args[1];
     } elsif ($#args < 0) {
@@ -5609,7 +5657,6 @@
 		$fullname = &query ('Full name of pseudonym (not just '
 				    . 'E-mail address)', $fullname);
 		$fullname =~ s/[\'\^\n]//g;  # kludge for secrets file
-		$signsend = 'n' unless $signsend;
 		$signsend = &query ('Sign mail with (R)emailer key, '
 				    . '(P)seudonym key or (N)o key?',
 				    $signsend);
@@ -5652,7 +5699,7 @@
     }
 #   print "Here's the encrypted block:\n";
 #   system "cat $replyblock_fn";
-    $time = time;
+    $time = CORE::time();
     if (&member ('newnym', @options)) {
 	$secret = "\$nym\{\'$time\,$remailer\=$nym\'\} \= ".
 	    "\'chain=$chain\^to=$to^"
@@ -5771,6 +5818,7 @@
     if (!open (IN, $body)) {
 	&error ("Internal error opening replyblock\n");
     }
+    $in_active = 1;
     @in_headers = ("To: $to\n");
     push (@in_headers, "Chain: $chain\n") if $chain;
     $header_sep = "\n";
@@ -5784,6 +5832,7 @@
     }
     &send_group ($groups[0]);
     close (IN);
+    $in_active = 0;
 }
 
 sub find_nym {
@@ -5997,7 +6046,7 @@
 
     # The main loop
     $quit = 0;
-    $inoef = 0;
+    $ineof = 0;
     while (!$quit) {
 	$rin = $win = $ein = '';
 	vec ($rin, fileno(STDIN), 1) = 1 unless $ineof;
@@ -6315,7 +6364,7 @@
 # Open a Web connection for the file as file handle WWW.
     my ($url) = @_;
     my ($host, $port, $suf);
-    my ($fqdn, $aliases, $type, $len, $thataddr);
+    my ($fqdn, $aliases, $type, $len);
     my ($name, $proto);
     my ($that);
     my ($savesel, $gotsep);
@@ -6330,7 +6379,7 @@
 	$host = $1;
 	$port = $2;
 	$suf = $3;
-	if ($port =~ /^\:(\d+)$/) { $port = $1; }
+	if (defined $port && $port =~ /^\:(\d+)$/) { $port = $1; }
 	else { $port = 80; }
 	($fqdn, $aliases, $type, $len, $thataddr) = gethostbyname ($host);
 	return &pdv ("Host not found: $host\n") if ($thataddr eq '');
@@ -6345,7 +6394,7 @@
 		       unpack ('C4', $thataddr), $port));
 	eval {
 	    $SIG{'ALRM'} = sub { die "Timeout error on $url\n" };
-	    alarm (5);
+	    alarm (10);
 #	    bind(WWW, $this) || &die_disarm ("bind: $!\n");
 #	    &pdv ("bound the socket...\n");
 	    connect(WWW, $that) || &die_disarm ("connect: $!\n");
@@ -6368,6 +6417,21 @@
 	};
 	if ($@) { return &pdv ($@); }
 	return &pdv ("No response from server\n") unless $gotsep;
+    } elsif ($url =~ /^finger:(.*)$/) {
+	my $target = @RELAYS ? $1 . '@' . $RELAYS[CORE::time() % @RELAYS] : $1;
+	&error("`$target' contains no hostname\n") unless ($target =~ /(.*)@([^@]+)/);
+	my ($user,$host,$port,$ipaddr,$sin) = ($1, $2);
+	return &pdv ("Unknown host: $host\n") unless ($ipaddr = inet_aton ($host));
+	&error ("Internal error: unknown service finger\n")
+	    unless ($port = getservbyname ('finger', 'tcp'));
+	socket (WWW, PF_INET, SOCK_STREAM, getprotobyname ('tcp'))
+	    || return &pdv ("socket: $!\n");
+	$sin = sockaddr_in ($port, $ipaddr);
+	connect (WWW, $sin) || return &pdv ("$! while connecting to $host\n");
+	&pdv ("connected to the socket...\n");
+	select ((select(WWW), $|=1)[0]);
+
+	print WWW "$user\r\n";
     } else {
 	&error ("Misformed URL: $url\n");
     }