Add ability to fetch finger: URLs and switch to fresh rlist@anon.lcs.mit.edu

1 files changed, 96 insertions, 46 deletions

diff --git a/mail/premail/files/patch-aa b/mail/premail/files/patch-aa
index 3de24cf2c54c..b7e56121badf 100644
--- a/mail/premail/files/patch-aa
+++ b/mail/premail/files/patch-aa
@@ -1,20 +1,39 @@
---- premail.orig	Thu Oct 31 06:25:10 1996
-+++ premail	Sat Feb 14 16:34:31 1998
+--- premail.old	Thu Oct 31 06:25:10 1996
++++ premail	Sat Feb 14 19:22:24 1998
 @@ -1,4 +1,4 @@
 -#!/usr/local/bin/perl
 +#!/usr/local/bin/perl -w
  #
  # premail, an e-mail privacy package
  #
-@@ -96,6 +96,7 @@
+@@ -85,8 +85,11 @@
  
+ $config{'rlist-valid'} = 300;
+ 
+-$config{'rlist-url'} = 'http://kiwi.cs.berkeley.edu/rlist';
+-$config{'pubring-url'} = 'http://kiwi.cs.berkeley.edu/pubring.pgp';
++#$config{'rlist-url'} = 'http://www.cs.berkeley.edu/rlist';
++#$config{'pubring-url'} = 'http://www.cs.berkeley.edu/pubring.pgp';
++
++$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 +113,7 @@
+@@ -112,6 +119,7 @@
  $editfile = '';			# name of file to edit
  $dashoi = 0;			# -oi on cmd line
  $more_input = 1;
@@ -22,7 +41,7 @@
  $header_sep = '';
  $in_body = '';			# the filename of the input message body
  $prezilla = 0;			# special mode for Netscape Navigator 2.1
-@@ -226,7 +228,7 @@
+@@ -226,7 +234,7 @@
  # Return the name of the real sendmail executable
      if (!defined $config{'sendmail'} || $config{'sendmail'} eq '') {
  	# Standard place
@@ -31,7 +50,7 @@
  	# Newer BSD-based systems
  	(-x '/usr/sbin/sendmail') && return '/usr/sbin/sendmail';
  	# Okay, I give up
-@@ -308,6 +310,12 @@
+@@ -308,6 +316,12 @@
  	    if ($1 =~ /^[mwpqe]$/) { push (@sendmail_args, $_); }
  	} elsif (/^\-od(.)$/) {
  	    push (@sendmail_args, $_);
@@ -44,7 +63,7 @@
          } elsif (/^\-f$/) {
  	    if ($#_ < 0) { &error ("$_ option needs an argument\n"); }
  	    shift;		# discard
-@@ -363,7 +371,7 @@
+@@ -363,7 +377,7 @@
      &apply_cmdline_configs ();
      if ($config{'preferences'}) {
  	$preferences = &tilde_expand ($config{'preferences'});
@@ -53,7 +72,7 @@
  	while (<PREF>) {
  	    if (/^\s*\$config\{\"([^\"]+)\"\}\s*\=\s*\"([^\"]*)\"/
  		|| /^\s*\$config\{\'([^\']+)\'\}\s*\=\s*\'([^\']*)\'/) {
-@@ -371,10 +379,11 @@
+@@ -371,10 +385,11 @@
  	    }
  	}
  	close (PREF);
@@ -66,7 +85,7 @@
  	while (<ADDR>) {
  	    if (/^([\w\-\_\+\.\@\!]+)\:\s*(.*)$/) {
  		$recip = &strip_address ($1);
-@@ -382,6 +391,7 @@
+@@ -382,6 +397,7 @@
  	    }
  	}
  	close (ADDR);
@@ -74,7 +93,7 @@
      }
      if ($config{'logfile'}) {
  	open (LOG, '>>'.&tilde_expand_mkdir ($config{'logfile'}));
-@@ -413,6 +423,7 @@
+@@ -413,6 +429,7 @@
  	if (!open (IN, $editfile)) {
  	    &error ("cannot open edit file $editfile\n");
  	}
@@ -82,7 +101,7 @@
  	return 1;
      } elsif ($dashbs) {
  	# do simple SMTP
-@@ -463,7 +474,9 @@
+@@ -463,7 +480,9 @@
  
      @in_headers = ();
      for ($lineno = 0;;$lineno++) {
@@ -93,7 +112,7 @@
  	if ($handle_from && $lineno == 0 && $line =~ /^From /) {
  	    return $line;
  	}
-@@ -495,16 +508,16 @@
+@@ -495,16 +514,16 @@
      my $line;
  
      if ($edit || $post) {
@@ -113,7 +132,7 @@
      return $line;
  }
  
-@@ -516,6 +529,7 @@
+@@ -516,6 +535,7 @@
  #   }
      if ($edit || $post) {
  	close (IN);
@@ -121,7 +140,7 @@
      } elsif ($dashbs) {
  	print "250 Message accepted for delivery\n";
  	$more_input = 1;
-@@ -1268,7 +1282,7 @@
+@@ -1268,7 +1288,7 @@
      my ($body, @the_recips) = @_;
      my ($key_type, $key);
      my (@keys);
@@ -130,7 +149,7 @@
      my (@mime_fields, $prefix, $boundary);
      my ($sign_type, $sign);
      my ($invoc, $errfile);
-@@ -1354,7 +1368,7 @@
+@@ -1354,7 +1374,7 @@
      my ($body, @the_recips) = @_;
      my ($key_type, $key);
      my (@keys);
@@ -139,7 +158,7 @@
      my (@mime_fields, $prefix);
      my ($sign_type, $sign);
      my ($invoc, $errfile);
-@@ -1687,7 +1701,7 @@
+@@ -1687,7 +1707,7 @@
  	    }
  	}
  	if ($put_open) { close (PUT); }
@@ -148,7 +167,7 @@
      }
  }
  
-@@ -1817,7 +1831,7 @@
+@@ -1817,7 +1837,7 @@
  	}
      }
      push (@deliver_headers, "To\: $new_to\n");
@@ -157,7 +176,7 @@
  	$hash = "$1\n".$hash;
  	$body = &cat_tail ($body, "\*\*\n");
      }
-@@ -2214,7 +2228,7 @@
+@@ -2214,7 +2234,7 @@
  	# we know it's sendmail
  	$invoc = &bin_sendmail ();
  	if ($#sendmail_args >= 0) {
@@ -166,7 +185,7 @@
  	}
  	$invoc .= ' -oi';
  	foreach $recip (@the_recips) {
-@@ -2252,11 +2266,11 @@
+@@ -2252,11 +2272,11 @@
      &close_body ($body);
      if ($post) {
  	close (DELIVER);
@@ -182,7 +201,7 @@
  	unlink $tmpfile;
      } elsif ($edit && !$prezilla) {
  	close (DELIVER);
-@@ -2801,6 +2815,7 @@
+@@ -2801,6 +2821,7 @@
  # (@new_dict) = &delete_field ($key, @dict)
      my ($key, @dict) = @_;
      my (@new_dict);
@@ -190,7 +209,7 @@
  
      @new_dict = ();
      foreach $field (@dict) {
-@@ -2972,8 +2987,8 @@
+@@ -2972,8 +2993,8 @@
  
      $data = '';
      if (open (ERRFILE, $file)) {
@@ -200,7 +219,7 @@
  	    $data .= $_;
  	}
  	close (ERRFILE);
-@@ -3040,7 +3055,7 @@
+@@ -3040,7 +3061,7 @@
  	$pass = '';
      }
      if ($pubring) { $invoc .= ' +pubring='.&shell_quote ($pubring); }
@@ -209,7 +228,7 @@
      if ($sign) {
  	$invoc .= 's -u '.&shell_quote ($signuser);
  	&load_secrets ();
-@@ -3126,7 +3141,7 @@
+@@ -3126,7 +3147,7 @@
  	$signuser = '0x';
  	$pass = '';
      }
@@ -218,7 +237,7 @@
      $invoc .= ' -u '.&shell_quote ($signuser);
      unless (defined $pass) {
  	if (defined $pgppass{$signuser}) {
-@@ -3182,7 +3197,7 @@
+@@ -3182,7 +3203,7 @@
  	$signuser = '0x';
  	$pass = '';
      }
@@ -227,7 +246,7 @@
      $invoc .= ' -u '.&shell_quote ($signuser);
      unless (defined $pass) {
  	if (defined $pgppass{$signuser}) {
-@@ -3238,7 +3253,7 @@
+@@ -3238,7 +3259,7 @@
      return ($mimefile, $err, $boundary);
  }
  
@@ -236,7 +255,7 @@
  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 +3266,7 @@
+@@ -3251,7 +3272,7 @@
      $outfile = &tmp_filename ();
      $errfile = &tmp_filename ();
      $invoc = &tilde_expand ($config{'pgp'});
@@ -245,7 +264,7 @@
      $invoc .= " +pubring=$PUBRING" if $PUBRING;
      $invoc .= " +secring=$SECRING" if $SECRING;
  #    if ($pass =~ /^RING$;/) {
-@@ -3299,7 +3314,7 @@
+@@ -3299,7 +3320,7 @@
  
      $errfile = &tmp_filename ();
      $invoc = &tilde_expand ($config{'pgp'});
@@ -254,7 +273,7 @@
      $invoc .= ' '.$pgp_file;
      $invoc .= ' '.$signed_file;
      $invoc .= ' > '.$errfile.' 2>&1';
-@@ -3390,7 +3405,7 @@
+@@ -3390,7 +3411,7 @@
      $chars_needed = 2 + sprintf ("%d", $bits / 8);
      &pdv ($config{'pgp'}." +makerandom=$chars_needed $outf"
  	." >/dev/null 2>&1\n");
@@ -263,7 +282,7 @@
  	." >/dev/null 2>&1";
      &pdv ($status."\n");
      if (!$status) {
-@@ -3626,11 +3641,14 @@
+@@ -3626,11 +3647,14 @@
  
      $errfile = &tmp_filename ();
      $invoc = &tilde_expand ($config{'pgp'});
@@ -279,7 +298,7 @@
      $status = &open_pgp ($invoc, $pass, '');
      $err = &read_and_delete ($errfile);
      &pdv ($err);
-@@ -3647,7 +3665,7 @@
+@@ -3647,7 +3671,7 @@
  	unlink $ps_pgp;
      }
      $invoc = &tilde_expand ($config{'pgp'});
@@ -288,7 +307,7 @@
      $invoc .= ' < '.$ps;
      $invoc .= ' > '.$ps_pgp;
      $invoc .= ' 2> '.$errfile;
-@@ -3910,7 +3928,8 @@
+@@ -3910,7 +3934,8 @@
  		&replace_field ('Content-Type: text/plain; charset='
  				.$config{'charset'}."\n",
  				@deliver_headers);
@@ -298,7 +317,7 @@
  	    # Should we detect other charsets which are supersets of us-ascii?
  	    if (!$mv_present) {
  		push (@deliver_headers, 'MIME-Version: 1.0'."\n");
-@@ -3923,7 +3942,8 @@
+@@ -3923,7 +3948,8 @@
  	}
      }
      # must deal with existing cte, charset, etc.
@@ -308,7 +327,7 @@
  	# Do the QP
  	&pdv ("Doing QP encoding!\n");
  	if (!$mv_present) {
-@@ -4336,6 +4356,8 @@
+@@ -4336,6 +4362,8 @@
      exit 0;
  }
  
@@ -317,7 +336,7 @@
  sub decode_msg {
  # &decode_msg ($msg)
  # This is possibly the ugliest function in all of premail. Most of it is
-@@ -5129,7 +5151,7 @@
+@@ -5129,7 +5157,7 @@
      &load_secrets ();
      foreach (keys %pgpring) {
  	my ($tpr, $tsr) = &makerings ($pgpring{$_});
@@ -326,7 +345,7 @@
  	#filecat ($tpr, $pr);
  	filecat ($tsr, $sr);
  	&delete_tmpfile ($tpr);
-@@ -5157,12 +5179,12 @@
+@@ -5157,12 +5185,12 @@
  #   &pdv ('&makerings ("'.join ('", "', @_)."\")\n");
      foreach ([$pr, $pk], [$sr, $sk]) {
  	open TMP, ">$$_[0]";
@@ -341,7 +360,7 @@
  	    . "$id $pr $pubring 2>&1";
  	&pdv ("$invoc > /dev/null\n");
  	system "$invoc > /dev/null";
-@@ -5189,7 +5211,7 @@
+@@ -5189,7 +5217,7 @@
      $outfile = &tmp_filename ();
      $errfile = &tmp_filename ();
      $invoc = &tilde_expand ($config{'pgp'});
@@ -350,7 +369,7 @@
      $invoc .= " +pubring=$pr +secring=$sr ";
      $invoc .= $cmd;
      $invoc .= ' < ' . $infile if $infile;
-@@ -5248,7 +5270,7 @@
+@@ -5248,7 +5276,7 @@
  EOF
      <STDIN>;
  
@@ -359,7 +378,7 @@
  	print STDERR "\nKey generation failed.\n";
  	&killbaks ($pr, $sr);
  	&delete_open_tmpfiles ();
-@@ -5272,7 +5294,7 @@
+@@ -5272,7 +5300,7 @@
      foreach $a ("$kid $pr",
  		"$remid $pr " . &tilde_expand ($config{'pubring'}),
  		"$kid $sr $defsr") {
@@ -368,7 +387,7 @@
  #	print STDERR "+ $invoc\n";
  	my $result = `$invoc`;
  	unless ($result =~ /^Key extracted/m) {
-@@ -5300,7 +5322,7 @@
+@@ -5300,7 +5328,7 @@
  EOF
      <STDIN>;
  
@@ -377,7 +396,7 @@
  #    print STDERR "+ $invoc\n";
      if (system ($invoc)) {
  	print STDERR "Edit failed.\n";
-@@ -5495,6 +5517,7 @@
+@@ -5495,6 +5523,7 @@
  	    }
  	}
      }
@@ -385,7 +404,7 @@
      if ($#args >= 1) {
  	$to = $args[1];
      } elsif ($#args < 0) {
-@@ -5609,7 +5632,6 @@
+@@ -5609,7 +5638,6 @@
  		$fullname = &query ('Full name of pseudonym (not just '
  				    . 'E-mail address)', $fullname);
  		$fullname =~ s/[\'\^\n]//g;  # kludge for secrets file
@@ -393,7 +412,7 @@
  		$signsend = &query ('Sign mail with (R)emailer key, '
  				    . '(P)seudonym key or (N)o key?',
  				    $signsend);
-@@ -5771,6 +5793,7 @@
+@@ -5771,6 +5799,7 @@
      if (!open (IN, $body)) {
  	&error ("Internal error opening replyblock\n");
      }
@@ -401,7 +420,7 @@
      @in_headers = ("To: $to\n");
      push (@in_headers, "Chain: $chain\n") if $chain;
      $header_sep = "\n";
-@@ -5784,6 +5807,7 @@
+@@ -5784,6 +5813,7 @@
      }
      &send_group ($groups[0]);
      close (IN);
@@ -409,7 +428,7 @@
  }
  
  sub find_nym {
-@@ -5997,7 +6021,7 @@
+@@ -5997,7 +6027,7 @@
  
      # The main loop
      $quit = 0;
@@ -418,7 +437,7 @@
      while (!$quit) {
  	$rin = $win = $ein = '';
  	vec ($rin, fileno(STDIN), 1) = 1 unless $ineof;
-@@ -6315,7 +6339,7 @@
+@@ -6315,7 +6345,7 @@
  # Open a Web connection for the file as file handle WWW.
      my ($url) = @_;
      my ($host, $port, $suf);
@@ -427,7 +446,7 @@
      my ($name, $proto);
      my ($that, $thataddr);
      my ($savesel, $gotsep);
-@@ -6330,7 +6354,7 @@
+@@ -6330,7 +6360,7 @@
  	$host = $1;
  	$port = $2;
  	$suf = $3;
@@ -436,3 +455,34 @@
  	else { $port = 80; }
  	($fqdn, $aliases, $type, $len, $thataddr) = gethostbyname ($host);
  	return &pdv ("Host not found: $host\n") if ($thataddr eq '');
+@@ -6345,7 +6375,7 @@
+ 		       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: $!\n");
+@@ -6368,6 +6398,21 @@
+ 	};
+ 	if ($@) { return &pdv ($@); }
+ 	return &pdv ("No response from server\n") unless $gotsep;
++    } elsif ($url =~ /^finger:(.*)$/) {
++	my $target = @RELAYS ? $1 . '@' . $RELAYS[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");
+     }