my $OVERVIEW_FMT = join(":\r\n", @OVERVIEW, qw(Bytes Lines)) . ":\r\n";
my $LIST_HEADERS = join("\r\n", @OVERVIEW,
qw(:bytes :lines Xref To Cc)) . "\r\n";
-
-# disable commands with easy DoS potential:
-my %DISABLED; # = map { $_ => 1 } qw(xover list_overview_fmt newnews xhdr);
+my $CAPABILITIES = <<"";
+101 Capability list:\r
+VERSION 2\r
+READER\r
+NEWNEWS\r
+LIST ACTIVE ACTIVE.TIMES NEWSGROUPS OVERVIEW.FMT\r
+HDR\r
+OVER\r
my $EXPMAP; # fd -> [ idle_time, $self ]
my $expt;
my ($self, $l) = @_;
my ($req, @args) = split(/[ \t]/, $l);
return 1 unless defined($req); # skip blank line
- $req = lc($req);
$req = eval {
no strict 'refs';
- $req = $DISABLED{$req} ? undef : *{'cmd_'.$req}{CODE};
+ *{'cmd_'.lc($req)}{CODE};
};
return res($self, '500 command not recognized') unless $req;
return res($self, r501) unless args_ok($req, scalar @args);
res($self, $res);
}
+# The keyword argument is not used (rfc3977 5.2.2)
+sub cmd_capabilities ($;$) {
+ my ($self, undef) = @_;
+ my $res = $CAPABILITIES;
+ if (ref($self->{sock}) ne 'IO::Socket::SSL' &&
+ $self->{nntpd}->{accept_tls}) {
+ $res .= "STARTTLS\r\n";
+ }
+ $res .= '.';
+}
+
sub cmd_mode ($$) {
my ($self, $arg) = @_;
$arg = uc $arg;
my $arg = shift @args;
$arg =~ tr/A-Z./a-z_/;
$arg = "list_$arg";
- return r501 if $DISABLED{$arg};
$arg = eval {
no strict 'refs';