2 # $Id: ud-fingerserv,v 1.14 2000/02/21 06:08:32 tausq Exp $
4 # (c) 1999 Randolph Chung. Licensed under the GPL. <tausq@debian.org>
6 use lib '/var/www/userdir-ldap/';
7 #use lib '/home/randolph/projects/userdir-ldap/web';
11 use POSIX qw(:sys_wait_h);
14 use Net::LDAP qw(:all);
17 my %config = &Util::ReadConfigFile;
19 getopts("iqhv", \%opts);
20 my $use_inetd = $config{use_inetd} || $opts{i};
25 'mn' => 'Middle name',
28 'keyfingerprint' => 'Fingerprint',
30 'ircnick' => 'IRC nickname',
34 my @summarykeys = ('cn', 'mn', 'sn', 'email', 'labeledurl', 'ircnick', 'keyfingerprint', 'key');
36 $SIG{__DIE__} = \&DieHandler;
37 $SIG{INT} = \&DieHandler;
38 $SIG{CHLD} = \&Reaper;
40 &help if (defined($opts{h}));
41 #my $logfh = STDOUT; #TODO
43 &log("Binding to LDAP server at $config{ldaphost}") if (defined($opts{v}));
44 my $ldap = Net::LDAP->new($config{ldaphost}) || die $1;
48 &log("Binding to port 79") if (defined($opts{v}));
49 my $server = IO::Socket::INET->new(Proto => 'tcp',
50 LocalPort => 'finger(79)',
54 die "Cannot listen on finger port" unless $server;
55 &log("[Server listening for connections]");
57 my ($pid, $client, $hostinfo);
59 while ($client = $server->accept()) {
60 &log("Forking to handle client request") if (defined($opts{v}));
61 next if $pid = fork; # parent
62 die "fork: $!" unless defined $pid;
65 $client->autoflush(1);
66 my $hostinfo = gethostbyaddr($client->peeraddr, AF_INET);
67 &log(sprintf("[Connect from %s]", $hostinfo || $client->peerhost));
68 my $query = &readdata($client);
69 &ProcessQuery($client, $query) if (defined($query));
77 my $sockaddr = getpeername(STDIN);
78 my ($port, $addr) = unpack_sockaddr_in(getpeername(STDIN));
79 &log(sprintf("[Connect from %s (%s)]", gethostbyaddr($addr, AF_INET), inet_ntoa($addr)));
80 my $query = &readdata(\*STDIN);
81 &ProcessQuery(\*STDOUT, $query) if (defined($query));
88 $ldap->unbind if (defined($ldap));
93 1 until (-1 == waitpid(-1, WNOHANG));
94 $SIG{CHLD} = \&Reaper;
101 my ($uid, $fields, $mesg, $entries, $dn, $key, $pid, $data);
103 $query =~ s/[^\/,0-9a-z]//gi; # be paranoid about input
104 my ($uid, $fields) = split(/\//, $query, 2);
106 if (($uid eq "") || ($uid =~ /^help$/i)) {
111 &log("Looking up $uid at $config{basedn}, uid=$uid");
113 $mesg = $ldap->search(base => $config{basedn}, filter => "uid=$uid");
114 $mesg->code && die $mesg->error;
115 $entries = $mesg->as_struct;
117 if ($mesg->count == 0) {
118 print $client "$uid not found at db.debian.org\n";
122 foreach $dn (sort {$entries->{$a}->{sn}->[0] <=> $entries->{$b}->{sn}->[0]} keys(%$entries)) {
123 $data = $entries->{$dn};
126 foreach (@{$data->{keyfingerprint}}) {
127 push (@{$data->{key}}, "\n".&Util::FetchKey($_));
130 $data->{email}->[0] = sprintf("%s %s %s <%s>", $data->{cn}->[0],
131 $data->{mn}->[0], $data->{sn}->[0],
132 $data->{uid}->[0]."\@$config{emailappend}");
134 $data->{email}->[0] =~ s/\s+/ /g;
136 print $client "$dn\n";
138 foreach $key (@summarykeys) {
139 foreach (@{$data->{$key}}) {
140 print $client "$attrs{$key}: ";
141 print $client "$_\n";
146 foreach $key (split(/,/, $fields)) {
147 foreach (@{$data->{$key}}) {
148 print $client "$attrs{$key}: ";
149 print $client "$_\n";
157 print "fingerserv [-i | -q | -v | -h]\n";
158 print "-i = inetd mode; otherwise runs standalone\n";
159 print "-q = quiet mode; no output\n";
160 print "-v = verbose mode\n";
161 print "-h = this help message\n";
167 return if (defined($opts{q}));
169 my $time = localtime;
170 print STDERR "$time $msg\n";
180 my $flags= fcntl($fh, F_GETFL, 0)
181 or die "Can't get flags for socket: $!\n";
182 fcntl($fh, F_SETFL, $flags | O_NONBLOCK)
183 or die "Can't make socket nonblocking: $!\n";
185 while (($bytesread < 1024) && ($out !~ /\n/)) {
186 $ret = sysread($fh, $in, 1024);
187 return undef if (!defined($ret) || ($ret == 0));
199 print $client "userdir-ldap finger daemon\n";
200 print $client "--------------------------\n";
201 print $client "finger <uid>[/<attributes>]\@db.debian.org\n";
202 print $client " where uid is the user id of the user\n";
203 print $client " the optional attributes parameter specifies what to return\n";
204 print $client " if nothing is specified, all attributes are returned.\n";
205 print $client " The following attributes are currently supported:\n";
206 foreach (@summarykeys) {
207 print $client " $_ : $attrs{$_}\n";
209 print $client " Multiple attributes can be separated by commas, like this:\n";
210 print $client " finger tux/email,key\@db.debian.org\n";