X-Git-Url: https://git.adam-barratt.org.uk/?a=blobdiff_plain;f=ud-fingerserv;h=7f33835395f0188a5c390116f5d55a579bfb1bd2;hb=d34f4cb87a80d211f07fc1bfb2b9a630d1346e7c;hp=0e49f038e871a1da1373d0cca6af15764921b645;hpb=18a2afc4d3698f6f5d23e7de98699e3d27b5d8c4;p=mirror%2Fuserdir-ldap.git

diff --git a/ud-fingerserv b/ud-fingerserv
index 0e49f03..7f33835 100755
--- a/ud-fingerserv
+++ b/ud-fingerserv
@@ -1,66 +1,139 @@
 #!/usr/bin/perl
-# $Id: ud-fingerserv,v 1.1 1999/10/04 06:51:45 tausq Exp $
+# $Id: ud-fingerserv,v 1.13 1999/11/29 02:44:53 tausq Exp $
 
 # (c) 1999 Randolph Chung. Licensed under the GPL. <tausq@debian.org>
 
-use lib 'web';
+use lib '/var/www/userdir-ldap/';
+#use lib '/home/randolph/projects/userdir-ldap/web';
 use strict vars;
-#use Apache::Registry;
+use IO::Handle;
 use IO::Socket;
+use POSIX qw(:sys_wait_h);
+use Getopt::Std;
 use Util;
 use Net::LDAP qw(:all);
 
 # Global settings...
 my %config = &Util::ReadConfigFile;
+my %opts;
+getopts("iqhv", \%opts);
+my $use_inetd = $config{use_inetd} || $opts{i}; 
+$| = 1;
 
 my %attrs = (
   'cn' => 'First name',
   'mn' => 'Middle name',
   'sn' => 'Last name',
-  'keyfingerprint' => 'Fingerprint'
+  'email' => 'Email',
+  'keyfingerprint' => 'Fingerprint',
+  'key' => 'Key block',
+  'ircnick' => 'IRC nickname',
+  'labeledurl' => 'URL'
 );
 
-my @summarykeys = ('cn', 'mn', 'sn', 'keyfingerprint');
-
-my ($ldap, $mesg, $dn, $entries, $data, %output, $key, $hostlist, $hostdetails, $selected, %summary);
-sub DieHandler {
-  $ldap->unbind if (defined($ldap));
-}
+my @summarykeys = ('cn', 'mn', 'sn', 'email', 'labeledurl', 'ircnick', 'keyfingerprint', 'key');
 
 $SIG{__DIE__} = \&DieHandler;
+$SIG{INT} = \&DieHandler;
+$SIG{CHLD} = \&Reaper;
+
+&help if (defined($opts{h}));
+#my $logfh = STDOUT; #TODO
 
-$ldap = Net::LDAP->new($config{ldaphost}) || &Util::HTMLError($!);
-$mesg;
+&log("Binding to LDAP server at $config{ldaphost}") if (defined($opts{v}));
+my $ldap = Net::LDAP->new($config{ldaphost}) || die $1; 
 $ldap->bind;
 
-my $server = IO::Socket::INET->new(Proto => 'tcp', 
-                                   LocalPort => 'finger(79)',
-				   Listen => SOMAXCONN,
-				   Reuse => 1);
+if (!$use_inetd) {
+  &log("Binding to port 79") if (defined($opts{v}));
+  my $server = IO::Socket::INET->new(Proto => 'tcp', 
+                                     LocalPort => 'finger(79)',
+   		  		     Listen => SOMAXCONN,
+				     Reuse => 1);
+
+  die "Cannot listen on finger port" unless $server;
+  &log("[Server listening for connections]");
+
+  my ($pid, $client, $hostinfo);
+
+  while ($client = $server->accept()) {
+    &log("Forking to handle client request") if (defined($opts{v}));
+    next if $pid = fork; # parent
+    die "fork: $!" unless defined $pid;
+  
+    # child
+    $client->autoflush(1);
+    my $hostinfo = gethostbyaddr($client->peeraddr, AF_INET);
+    &log(sprintf("[Connect from %s]", $hostinfo || $client->peerhost));
+    my $query = &readdata($client);
+    &ProcessQuery($client, $query);
+    $client->close;
+    exit;
+  } continue {
+    $client->close;
+  }
+} else { # inetd
+  &log("inetd mode");
+  my $sockaddr = getpeername(STDIN);
+  my ($port, $addr) = unpack_sockaddr_in(getpeername(STDIN));
+  &log(sprintf("[Connect from %s (%s)]", gethostbyaddr($addr, AF_INET), inet_ntoa($addr)));
+  my $query = &readdata(\*STDIN);
+  &ProcessQuery(\*STDOUT, $query);
+  exit;
+}
+
+$ldap->unbind;
 
-die "Cannot listen on finger port" unless $server;
-print "[Server listening for connections]\n";
+sub DieHandler {
+  $ldap->unbind if (defined($ldap));
+  exit 0;
+}
 
-my ($mesg, %entries, $dn, $key);
+sub Reaper {
+  1 until (-1 == waitpid(-1, WNOHANG));
+  $SIG{CHLD} = \&Reaper;
+}
+
+sub ProcessQuery {
+  my $client = shift;
+  my $query = shift;
+  
+  my ($uid, $fields, $mesg, $entries, $dn, $key, $pid, $data);
 
-my $client;
-while ($client = $server->accept()) {
-  $client->autoflush(1);
-  my $hostinfo = gethostbyaddr($client->peeraddr, AF_INET);
-  printf "[Connect from %s]\n", $hostinfo || $client->peerhost;
-  my $query = <$client>;
   $query =~ s/[^\/,0-9a-z]//gi; # be paranoid about input
   my ($uid, $fields) = split(/\//, $query, 2);
   
-  print "Looking up $uid at $config{basedn}, uid=$uid\n";
+  if (($uid eq "") || ($uid =~ /^help$/i)) {
+    &sendhelp($client);
+    return;
+  }
+  
+  &log("Looking up $uid at $config{basedn}, uid=$uid");
 
   $mesg = $ldap->search(base  => $config{basedn}, filter => "uid=$uid");
   $mesg->code && die $mesg->error;
   $entries = $mesg->as_struct;
 
+  if ($mesg->count == 0) {
+    print $client "$uid not found at db.debian.org\n";
+    exit 0;
+  }
+
   foreach $dn (sort {$entries->{$a}->{sn}->[0] <=> $entries->{$b}->{sn}->[0]} keys(%$entries)) {
     $data = $entries->{$dn};
 
+    $data->{key} = [];    
+    foreach (@{$data->{keyfingerprint}}) {
+      push (@{$data->{key}}, "\n".&Util::FetchKey($_));
+    }
+    
+    $data->{email}->[0] = sprintf("%s %s %s <%s>", $data->{cn}->[0],
+                                  $data->{mn}->[0], $data->{sn}->[0],
+				  $data->{uid}->[0]."\@$config{emailappend}");
+				  
+    $data->{email}->[0] =~ s/\s+/ /g;				  
+ 
+    print $client "$dn\n";
     if (!$fields) {
       foreach $key (@summarykeys) {
         foreach (@{$data->{$key}}) {
@@ -69,7 +142,7 @@ while ($client = $server->accept()) {
         }
       }
     } else {
-      print "$fields\n";
+  #     print "$fields\n";
       foreach $key (split(/,/, $fields)) {
         foreach (@{$data->{$key}}) {
           print $client "$attrs{$key}: ";
@@ -78,7 +151,58 @@ while ($client = $server->accept()) {
       }
     }
   }
-  $client->close;
+}  
+
+sub help {
+  print "fingerserv [-i | -q | -v | -h]\n";
+  print "-i = inetd mode; otherwise runs standalone\n";
+  print "-q = quiet mode; no output\n";
+  print "-v = verbose mode\n";
+  print "-h = this help message\n";
+  exit 0;
 }
 
-$ldap->unbind;
+sub log {
+  my $msg = shift;
+  return if (defined($opts{q}));
+  
+  my $time = localtime;
+  print STDERR "$time $msg\n";
+}
+
+sub readdata {
+  my $fh = shift;
+  my $in = undef;
+  my $out = undef;
+  my $bytesread = 0;
+
+  my $flags= fcntl($fh, F_GETFL, 0)
+     or die "Can't get flags for socket: $!\n";
+  fcntl($fh, F_SETFL, $flags | O_NONBLOCK)
+     or die "Can't make socket nonblocking: $!\n";
+						
+  while (($bytesread < 1024) && ($out !~ /\n/)) {
+    $bytesread += sysread($fh, $in, 1024);
+    $out .= $in;
+  }
+
+  $out =~ /(.*?)\n/;
+  return $1;
+}
+
+sub sendhelp {
+  my $client = shift;
+  
+  print $client "userdir-ldap finger daemon\n";
+  print $client "--------------------------\n";
+  print $client "finger <uid>[/<attributes>]\@db.debian.org\n";
+  print $client "  where uid is the user id of the user\n";
+  print $client "  the optional attributes parameter specifies what to return\n";
+  print $client "    if nothing is specified, all attributes are returned.\n";
+  print $client "    The following attributes are currently supported:\n";
+  foreach (@summarykeys) {
+    print $client "      $_ : $attrs{$_}\n";
+  }
+  print $client "    Multiple attributes can be separated by commas, like this:\n";
+  print $client "    finger tux/email,key\@db.debian.org\n";
+}