# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Each instance of this represents a NNTP client socket
+# fields:
+# nntpd: PublicInbox::NNTPD ref
+# article: per-session current article number
+# ng: PublicInbox::Inbox ref
+# long_cb: long_response private data
package PublicInbox::NNTP;
use strict;
-use warnings;
-use base qw(PublicInbox::DS);
-use fields qw(nntpd article ng long_cb);
+use parent qw(PublicInbox::DS);
use PublicInbox::MID qw(mid_escape $MID_EXTRACT);
use PublicInbox::Eml;
use POSIX qw(strftime);
use PublicInbox::DS qw(now);
use Digest::SHA qw(sha1_hex);
use Time::Local qw(timegm timelocal);
+use PublicInbox::GitAsyncCat;
use constant {
LINE_MAX => 512, # RFC 977 section 2.3
r501 => '501 command syntax error',
my $ONE_MSGID = qr/\A$MID_EXTRACT\z/;
my @OVERVIEW = qw(Subject From Date Message-ID References);
my $OVERVIEW_FMT = join(":\r\n", @OVERVIEW, qw(Bytes Lines), '') .
- "Xref:full\r\n";
+ "Xref:full\r\n.";
my $LIST_HEADERS = join("\r\n", @OVERVIEW,
- qw(:bytes :lines Xref To Cc)) . "\r\n";
+ qw(:bytes :lines Xref To Cc)) . "\r\n.";
my $CAPABILITIES = <<"";
101 Capability list:\r
VERSION 2\r
sub new ($$$) {
my ($class, $sock, $nntpd) = @_;
- my $self = fields::new($class);
+ my $self = bless { nntpd => $nntpd }, $class;
my $ev = EPOLLIN;
my $wbuf;
- if (ref($sock) eq 'IO::Socket::SSL' && !$sock->accept_SSL) {
+ if ($sock->can('accept_SSL') && !$sock->accept_SSL) {
return CORE::close($sock) if $! != EAGAIN;
- $ev = PublicInbox::TLS::epollbit();
+ $ev = PublicInbox::TLS::epollbit() or return CORE::close($sock);
$wbuf = [ \&PublicInbox::DS::accept_tls_step, \&greet ];
}
$self->SUPER::new($sock, $ev | EPOLLONESHOT);
- $self->{nntpd} = $nntpd;
if ($wbuf) {
$self->{wbuf} = $wbuf;
} else {
err($self, 'error from: %s (%s)', $l, $err);
$res = '503 program fault - command not performed';
}
- return 0 unless defined $res;
- res($self, $res);
+ defined($res) ? res($self, $res) : 0;
}
# The keyword argument is not used (rfc3977 5.2.2)
sub cmd_capabilities ($;$) {
my ($self, undef) = @_;
my $res = $CAPABILITIES;
- if (ref($self->{sock}) ne 'IO::Socket::SSL' &&
+ if (!$self->{sock}->can('accept_SSL') &&
$self->{nntpd}->{accept_tls}) {
$res .= "STARTTLS\r\n";
}
sub cmd_mode ($$) {
my ($self, $arg) = @_;
- $arg = uc $arg;
- return r501 unless $arg eq 'READER';
- '201 Posting prohibited';
+ uc($arg) eq 'READER' ? '201 Posting prohibited' : r501;
}
sub cmd_slave ($) { '202 slave status noted' }
my ($self, $wildmat) = @_;
more($self, '282 list of groups and descriptions follows');
list_newsgroups($self, $wildmat);
- '.'
}
-sub list_overview_fmt ($) {
- my ($self) = @_;
- $self->msg_more($OVERVIEW_FMT);
-}
+sub list_overview_fmt ($) { $OVERVIEW_FMT }
-sub list_headers ($;$) {
- my ($self) = @_;
- $self->msg_more($LIST_HEADERS);
+sub list_headers ($;$) { $LIST_HEADERS }
+
+sub list_active_i { # "LIST ACTIVE" and also just "LIST" (no args)
+ my ($self, $groupnames) = @_;
+ my @window = splice(@$groupnames, 0, 100) or return 0;
+ my $ibx;
+ my $groups = $self->{nntpd}->{pi_config}->{-by_newsgroup};
+ for my $ngname (@window) {
+ $ibx = $groups->{$ngname} and group_line($self, $ibx);
+ }
+ scalar(@$groupnames); # continue if there's more
}
-sub list_active ($;$) {
+sub list_active ($;$) { # called by cmd_list
my ($self, $wildmat) = @_;
wildmat2re($wildmat);
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- $ng->{newsgroup} =~ $wildmat or next;
- group_line($self, $ng);
+ long_response($self, \&list_active_i, [
+ grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
+}
+
+sub list_active_times_i {
+ my ($self, $groupnames) = @_;
+ my @window = splice(@$groupnames, 0, 100) or return 0;
+ my $groups = $self->{nntpd}->{pi_config}->{-by_newsgroup};
+ for my $ngname (@window) {
+ my $ibx = $groups->{$ngname} or next;
+ my $c = eval { $ibx->uidvalidity } // time;
+ more($self, "$ngname $c <$ibx->{-primary_address}>");
}
+ scalar(@$groupnames); # continue if there's more
}
-sub list_active_times ($;$) {
+sub list_active_times ($;$) { # called by cmd_list
my ($self, $wildmat) = @_;
wildmat2re($wildmat);
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- $ng->{newsgroup} =~ $wildmat or next;
- my $c = eval { $ng->mm->created_at } || time;
- more($self, "$ng->{newsgroup} $c $ng->{-primary_address}");
+ long_response($self, \&list_active_times_i, [
+ grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
+}
+
+sub list_newsgroups_i {
+ my ($self, $groupnames) = @_;
+ my @window = splice(@$groupnames, 0, 100) or return 0;
+ my $groups = $self->{nntpd}->{pi_config}->{-by_newsgroup};
+ my $ibx;
+ for my $ngname (@window) {
+ $ibx = $groups->{$ngname} and
+ more($self, "$ngname ".$ibx->description);
}
+ scalar(@$groupnames); # continue if there's more
}
-sub list_newsgroups ($;$) {
+sub list_newsgroups ($;$) { # called by cmd_list
my ($self, $wildmat) = @_;
wildmat2re($wildmat);
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- $ng->{newsgroup} =~ $wildmat or next;
- my $d = $ng->description;
- more($self, "$ng->{newsgroup} $d");
- }
+ long_response($self, \&list_newsgroups_i, [
+ grep(/$wildmat/, @{$self->{nntpd}->{groupnames}}) ]);
}
# LIST SUBSCRIPTIONS, DISTRIB.PATS are not supported
if (scalar @args) {
my $arg = shift @args;
$arg =~ tr/A-Z./a-z_/;
+ my $ret = $arg eq 'active';
$arg = "list_$arg";
$arg = $self->can($arg);
return r501 unless $arg && args_ok($arg, scalar @args);
$arg->($self, @args);
} else {
more($self, '215 list of newsgroups follows');
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- group_line($self, $ng);
- }
+ long_response($self, \&list_active_i, [ # copy array
+ @{$self->{nntpd}->{groupnames}} ]);
}
- '.'
}
sub listgroup_range_i {
sub group_line ($$) {
my ($self, $ng) = @_;
my ($min, $max) = $ng->mm->minmax;
- more($self, "$ng->{newsgroup} $max $min n") if defined $min && defined $max;
+ more($self, "$ng->{newsgroup} $max $min n");
+}
+
+sub newgroups_i {
+ my ($self, $ts, $i, $groupnames) = @_;
+ my $end = $$i + 100;
+ my $groups = $self->{nntpd}->{pi_config}->{-by_newsgroup};
+ while ($$i < $end) {
+ my $ngname = $groupnames->[$$i++] // return;
+ my $ibx = $groups->{$ngname} or next; # expired on reload
+ next unless (eval { $ibx->uidvalidity } // 0) > $ts;
+ group_line($self, $ibx);
+ }
+ 1;
}
sub cmd_newgroups ($$$;$$) {
# TODO dists
more($self, '231 list of new newsgroups follows');
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- my $c = eval { $ng->mm->created_at } || 0;
- next unless $c > $ts;
- group_line($self, $ng);
- }
- '.'
+ long_response($self, \&newgroups_i, $ts, \(my $i = 0),
+ $self->{nntpd}->{groupnames});
}
sub wildmat2re (;$) {
}
sub newnews_i {
- my ($self, $overs, $ts, $prev) = @_;
- my $over = $overs->[0];
- my $msgs = $over->query_ts($ts, $$prev);
- if (scalar @$msgs) {
- more($self, '<' .
- join(">\r\n<", map { $_->{mid} } @$msgs ).
- '>');
- $$prev = $msgs->[-1]->{num};
- } else {
- shift @$overs;
- if (@$overs) { # continue onto next newsgroup
- $$prev = 0;
- return 1;
- } else { # break out of the long response.
- return;
+ my ($self, $names, $ts, $prev) = @_;
+ my $ngname = $names->[0];
+ if (my $ibx = $self->{nntpd}->{groups}->{$ngname}) {
+ if (my $over = $ibx->over) {
+ my $msgs = $over->query_ts($ts, $$prev);
+ if (scalar @$msgs) {
+ more($self, '<' .
+ join(">\r\n<",
+ map { $_->{mid} } @$msgs ) .
+ '>');
+ $$prev = $msgs->[-1]->{num};
+ return 1; # continue on current group
+ }
}
}
+ shift @$names;
+ if (@$names) { # continue onto next newsgroup
+ $$prev = 0;
+ 1;
+ } else { # all done, break out of the long_response
+ undef;
+ }
}
sub cmd_newnews ($$$$;$$) {
my ($keep, $skip) = split('!', $newsgroups, 2);
ngpat2re($keep);
ngpat2re($skip);
- my @overs;
- foreach my $ng (@{$self->{nntpd}->{grouplist}}) {
- $ng->{newsgroup} =~ $keep or next;
- $ng->{newsgroup} =~ $skip and next;
- my $over = $ng->over or next;
- push @overs, $over;
- };
- return '.' unless @overs;
-
+ my @names = grep(!/$skip/, grep(/$keep/,
+ @{$self->{nntpd}->{groupnames}}));
+ return '.' unless scalar(@names);
my $prev = 0;
- long_response($self, \&newnews_i, \@overs, $ts, \$prev);
+ long_response($self, \&newnews_i, \@names, $ts, \$prev);
}
sub cmd_group ($$) {
my ($self, $group) = @_;
my $no_such = '411 no such news group';
- my $ng = $self->{nntpd}->{groups}->{$group} or return $no_such;
+ my $nntpd = $self->{nntpd};
+ my $ng = $nntpd->{groups}->{$group} or return $no_such;
+ $nntpd->idler_start;
$self->{ng} = $ng;
my ($min, $max) = $ng->mm->minmax;
- $min ||= 0;
- $max ||= 0;
$self->{article} = $min;
my $est_size = $max - $min;
"211 $est_size $min $max $group";
$hdr->header_set($k, @v, $v);
}
-sub xref ($$$$) {
- my ($self, $ng, $n, $mid) = @_;
- my $ret = $self->{nntpd}->{servername} . " $ng->{newsgroup}:$n";
-
- # num_for is pretty cheap and sometimes we'll lookup the existence
- # of an article without getting even the OVER info. In other words,
- # I'm not sure if its worth optimizing by scanning To:/Cc: and
- # PublicInbox::ExtMsg on the PSGI end is just as expensive
- foreach my $other (@{$self->{nntpd}->{grouplist}}) {
- next if $ng eq $other;
- my $num = eval { $other->mm->num_for($mid) } or next;
- $ret .= " $other->{newsgroup}:$num";
+sub xref ($$$) {
+ my ($self, $cur_ibx, $smsg) = @_;
+ my $nntpd = $self->{nntpd};
+ my $cur_ngname = $cur_ibx->{newsgroup};
+ my $ret = "$nntpd->{servername} $cur_ngname:$smsg->{num}";
+ if (my $ALL = $nntpd->{pi_config}->ALL) {
+ if (my $ary = $ALL->nntp_xref_for($cur_ibx, $smsg)) {
+ $ret .= join(' ', '', @$ary) if scalar(@$ary);
+ }
+ # better off wrong than slow if there's thousands of groups,
+ # so no fallback to the slow path below:
+ } else { # slow path
+ my $mid = $smsg->{mid};
+ my $groups = $nntpd->{pi_config}->{-by_newsgroup};
+ for my $xngname (@{$nntpd->{groupnames}}) {
+ next if $cur_ngname eq $xngname;
+ my $xibx = $groups->{$xngname} or next;
+ my $num = eval { $xibx->mm->num_for($mid) } or next;
+ $ret .= " $xngname:$num";
+ }
}
$ret;
}
-sub set_nntp_headers ($$$$$) {
- my ($self, $hdr, $ng, $n, $mid) = @_;
-
- # why? leafnode requires a Path: header for some inexplicable
- # reason. We'll fake the shortest one possible.
- $hdr->header_set('Path', 'y');
+sub set_nntp_headers ($$) {
+ my ($hdr, $smsg) = @_;
+ my ($mid) = $smsg->{mid};
# leafnode (and maybe other NNTP clients) have trouble dealing
# with v2 messages which have multiple Message-IDs (either due
$hdr->header_set('X-Alt-Message-ID', @alt);
}
- # clobber some
- my $xref = xref($self, $ng, $n, $mid);
+ # clobber some existing headers
+ my $ibx = $smsg->{-ibx};
+ my $xref = xref($smsg->{nntp}, $ibx, $smsg);
$hdr->header_set('Xref', $xref);
- $xref =~ s/:[0-9]+//g;
- $hdr->header_set('Newsgroups', (split(/ /, $xref, 2))[1]);
- header_append($hdr, 'List-Post', "<mailto:$ng->{-primary_address}>");
- if (my $url = $ng->base_url) {
+
+ # RFC 5536 3.1.4
+ my ($server_name, $newsgroups) = split(/ /, $xref, 2);
+ $newsgroups =~ s/:[0-9]+\b//g; # drop NNTP article numbers
+ $newsgroups =~ tr/ /,/;
+ $hdr->header_set('Newsgroups', $newsgroups);
+
+ # *something* here is required for leafnode, try to follow
+ # RFC 5536 3.1.5...
+ $hdr->header_set('Path', $server_name . '!not-for-mail');
+
+ header_append($hdr, 'List-Post', "<mailto:$ibx->{-primary_address}>");
+ if (my $url = $ibx->base_url) {
$mid = mid_escape($mid);
header_append($hdr, 'Archived-At', "<$url$mid/>");
header_append($hdr, 'List-Archive', "<$url>");
}
sub art_lookup ($$$) {
- my ($self, $art, $set_headers) = @_;
+ my ($self, $art, $code) = @_;
my $ng = $self->{ng};
my ($n, $mid);
my $err;
}
found:
my $smsg = $ng->over->get_art($n) or return $err;
- my $msg = $ng->msg_by_smsg($smsg) or return $err;
-
- # PublicInbox::Eml->new will modify $msg in-place, so what's
- # left is the body and we won't need to call ->body(), later
- my $hdr = PublicInbox::Eml->new($msg)->header_obj;
- set_nntp_headers($self, $hdr, $ng, $n, $mid) if $set_headers;
- [ $n, $mid, $msg, $hdr ];
+ $smsg->{-ibx} = $ng;
+ if ($code == 223) { # STAT
+ set_art($self, $n);
+ "223 $n <$smsg->{mid}> article retrieved - " .
+ "request text separately";
+ } else { # HEAD | BODY | ARTICLE
+ $smsg->{nntp} = $self;
+ $smsg->{nntp_code} = $code;
+ set_art($self, $art);
+ # this dereferences to `undef'
+ ${git_async_cat($ng->git, $smsg->{blob}, \&blob_cb, $smsg)};
+ }
}
sub msg_body_write ($$) {
$$msg =~ s/(?<!\r)\n/\r\n/sg; # Alpine barfs without this
$$msg .= "\r\n" unless $$msg =~ /\r\n\z/s;
$self->msg_more($$msg);
- '.'
}
sub set_art {
$self->{article} = $art if defined $art && $art =~ /\A[0-9]+\z/;
}
-sub msg_hdr_write ($$$) {
- my ($self, $hdr, $body_follows) = @_;
- $hdr = $hdr->as_string;
+sub msg_hdr_write ($$) {
+ my ($eml, $smsg) = @_;
+ set_nntp_headers($eml, $smsg);
+
+ my $hdr = $eml->{hdr} // \(my $x = '');
# fixup old bug from import (pre-a0c07cba0e5d8b6a)
- $hdr =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
- utf8::encode($hdr);
- $hdr =~ s/(?<!\r)\n/\r\n/sg; # Alpine barfs without this
+ $$hdr =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
+ $$hdr =~ s/(?<!\r)\n/\r\n/sg; # Alpine barfs without this
# for leafnode compatibility, we need to ensure Message-ID headers
# are only a single line.
- $hdr =~ s/^(Message-ID:)[ \t]*\r\n[ \t]+([^\r]+)\r\n/$1 $2\r\n/igsm;
- $hdr .= "\r\n" if $body_follows;
- $self->msg_more($hdr);
+ $$hdr =~ s/^(Message-ID:)[ \t]*\r\n[ \t]+([^\r]+)\r\n/$1 $2\r\n/igsm;
+ $smsg->{nntp}->msg_more($$hdr);
+}
+
+sub blob_cb { # called by git->cat_async via git_async_cat
+ my ($bref, $oid, $type, $size, $smsg) = @_;
+ my $self = $smsg->{nntp};
+ my $code = $smsg->{nntp_code};
+ if (!defined($oid)) {
+ # it's possible to have TOCTOU if an admin runs
+ # public-inbox-(edit|purge), just move onto the next message
+ warn "E: $smsg->{blob} missing in $smsg->{-ibx}->{inboxdir}\n";
+ return $self->requeue;
+ } elsif ($smsg->{blob} ne $oid) {
+ $self->close;
+ die "BUG: $smsg->{blob} != $oid";
+ }
+ my $r = "$code $smsg->{num} <$smsg->{mid}> article retrieved - ";
+ my $eml = PublicInbox::Eml->new($bref);
+ if ($code == 220) {
+ more($self, $r .= 'head and body follow');
+ msg_hdr_write($eml, $smsg);
+ $self->msg_more("\r\n");
+ msg_body_write($self, $bref);
+ } elsif ($code == 221) {
+ more($self, $r .= 'head follows');
+ msg_hdr_write($eml, $smsg);
+ } elsif ($code == 222) {
+ more($self, $r .= 'body follows');
+ msg_body_write($self, $bref);
+ } else {
+ $self->close;
+ die "BUG: bad code: $r";
+ }
+ $self->write(\".\r\n"); # flushes (includes ->zflush)
+ $self->requeue;
}
sub cmd_article ($;$) {
my ($self, $art) = @_;
- my $r = art_lookup($self, $art, 1);
- return $r unless ref $r;
- my ($n, $mid, $msg, $hdr) = @$r;
- set_art($self, $art);
- more($self, "220 $n <$mid> article retrieved - head and body follow");
- msg_hdr_write($self, $hdr, 1);
- msg_body_write($self, $msg);
+ art_lookup($self, $art, 220);
}
sub cmd_head ($;$) {
my ($self, $art) = @_;
- my $r = art_lookup($self, $art, 2);
- return $r unless ref $r;
- my ($n, $mid, undef, $hdr) = @$r;
- set_art($self, $art);
- more($self, "221 $n <$mid> article retrieved - head follows");
- msg_hdr_write($self, $hdr, 0);
- '.'
+ art_lookup($self, $art, 221);
}
sub cmd_body ($;$) {
my ($self, $art) = @_;
- my $r = art_lookup($self, $art, 0);
- return $r unless ref $r;
- my ($n, $mid, $msg) = @$r;
- set_art($self, $art);
- more($self, "222 $n <$mid> article retrieved - body follows");
- msg_body_write($self, $msg);
+ art_lookup($self, $art, 222);
}
sub cmd_stat ($;$) {
my ($self, $art) = @_;
- my $r = art_lookup($self, $art, 0);
- return $r unless ref $r;
- my ($n, $mid) = @$r;
- set_art($self, $art);
- "223 $n <$mid> article retrieved - request text separately";
+ art_lookup($self, $art, 223); # art may be msgid
}
sub cmd_ihave ($) { '435 article not wanted - do not send it' }
my $n = $self_ng->mm->num_for($mid);
return ($self_ng, $n) if defined $n;
}
- foreach my $ng (values %{$self->{nntpd}->{groups}}) {
- next if defined $self_ng && $ng eq $self_ng;
- my $n = $ng->mm->num_for($mid);
- return ($ng, $n) if defined $n;
+ my $pi_cfg = $self->{nntpd}->{pi_config};
+ if (my $ALL = $pi_cfg->ALL) {
+ my ($id, $prev);
+ while (my $smsg = $ALL->over->next_by_mid($mid, \$id, \$prev)) {
+ my $xr3 = $ALL->over->get_xref3($smsg->{num});
+ if (my @x = grep(/:$smsg->{blob}\z/, @$xr3)) {
+ my ($ngname, $xnum) = split(/:/, $x[0]);
+ my $ibx = $pi_cfg->{-by_newsgroup}->{$ngname};
+ return ($ibx, $xnum) if $ibx;
+ # fall through to trying all xref3s
+ } else {
+ warn <<EOF;
+W: xref3 missing for <$mid> ($smsg->{blob}) in $ALL->{topdir}, -extindex bug?
+EOF
+ }
+ # try all xref3s
+ for my $x (@$xr3) {
+ my ($ngname, $xnum) = split(/:/, $x);
+ my $ibx = $pi_cfg->{-by_newsgroup}->{$ngname};
+ return ($ibx, $xnum) if $ibx;
+ warn "W: `$ngname' does not exist for #$xnum\n";
+ }
+ }
+ # no warning here, $mid is just invalid
+ } else { # slow path for non-ALL users
+ foreach my $ibx (values %{$self->{nntpd}->{groups}}) {
+ next if defined $self_ng && $ibx eq $self_ng;
+ my $n = $ibx->mm->num_for($mid);
+ return ($ibx, $n) if defined $n;
+ }
}
(undef, undef);
}
sub xref_range_i {
my ($self, $beg, $end) = @_;
my $ng = $self->{ng};
- my $r = $ng->mm->msg_range($beg, $end);
- @$r or return;
+ my $msgs = $ng->over->query_xover($$beg, $end);
+ scalar(@$msgs) or return;
+ $$beg = $msgs->[-1]->{num} + 1;
more($self, join("\r\n", map {
- my $num = $_->[0];
- "$num ".xref($self, $ng, $num, $_->[1]);
- } @$r));
+ "$_->{num} ".xref($self, $ng, $_);
+ } @$msgs));
1;
}
my $mid = $1;
my ($ng, $n) = mid_lookup($self, $mid);
return r430 unless $n;
+ my $smsg = $ng->over->get_art($n) or return;
hdr_mid_response($self, $xhdr, $ng, $n, $range,
- xref($self, $ng, $n, $mid));
+ xref($self, $ng, $smsg));
} else { # numeric range
$range = $self->{article} unless defined $range;
my $r = get_range($self, $range);
long_response($self, \&xrover_i, @$r);
}
-sub over_line ($$$$) {
- my ($self, $ng, $num, $smsg) = @_;
+sub over_line ($$$) {
+ my ($self, $ng, $smsg) = @_;
# n.b. field access and procedural calls can be
# 10%-15% faster than OO method calls:
- my $s = join("\t", $num,
+ my $s = join("\t", $smsg->{num},
$smsg->{subject},
$smsg->{from},
PublicInbox::Smsg::date($smsg),
$smsg->{references},
$smsg->{bytes},
$smsg->{lines},
- "Xref: " . xref($self, $ng, $num, $smsg->{mid}));
+ "Xref: " . xref($self, $ng, $smsg));
utf8::encode($s);
$s
}
# Only set article number column if it's the current group
my $self_ng = $self->{ng};
- $n = 0 if (!$self_ng || $self_ng ne $ng);
- more($self, over_line($self, $ng, $n, $smsg));
+ $smsg->{num} = 0 if (!$self_ng || $self_ng ne $ng);
+ more($self, over_line($self, $ng, $smsg));
'.';
} else {
cmd_xover($self, $range);
# OVERVIEW.FMT
more($self, join("\r\n", map {
- over_line($self, $ng, $_->{num}, $_);
+ over_line($self, $ng, $_);
} @$msgs));
$$beg = $msgs->[-1]->{num} + 1;
}
my ($self) = @_;
my $sock = $self->{sock} or return;
# RFC 4642 2.2.1
- return r502 if (ref($sock) eq 'IO::Socket::SSL' || $self->compressed);
+ return r502 if ($sock->can('accept_SSL') || $self->compressed);
my $opt = $self->{nntpd}->{accept_tls} or
return '580 can not initiate TLS negotiation';
res($self, '382 Continue with TLS negotiation');
sub event_step {
my ($self) = @_;
- return unless $self->flush_write && $self->{sock};
+ return unless $self->flush_write && $self->{sock} && !$self->{long_cb};
$self->update_idle_time;
# only read more requests if we've drained the write buffer,
# otherwise we can be buffering infinitely w/o backpressure
- my $rbuf = $self->{rbuf} // (\(my $x = ''));
- my $r = 1;
-
- if (index($$rbuf, "\n") < 0) {
- my $off = bytes::length($$rbuf);
- $r = $self->do_read($rbuf, LINE_MAX, $off) or return;
+ my $rbuf = $self->{rbuf} // \(my $x = '');
+ my $line = index($$rbuf, "\n");
+ while ($line < 0) {
+ return $self->close if length($$rbuf) >= LINE_MAX;
+ $self->do_read($rbuf, LINE_MAX, length($$rbuf)) or return;
+ $line = index($$rbuf, "\n");
}
- while ($r > 0 && $$rbuf =~ s/\A[ \t]*([^\n]*?)\r?\n//) {
- my $line = $1;
- return $self->close if $line =~ /[[:cntrl:]]/s;
- my $t0 = now();
- my $fd = fileno($self->{sock});
- $r = eval { process_line($self, $line) };
- my $pending = $self->{wbuf} ? ' pending' : '';
- out($self, "[$fd] %s - %0.6f$pending", $line, now() - $t0);
- }
-
+ $line = substr($$rbuf, 0, $line + 1, '');
+ $line =~ s/\r?\n\z//s;
+ return $self->close if $line =~ /[[:cntrl:]]/s;
+
+ my $t0 = now();
+ my $fd = fileno($self->{sock});
+ my $r = eval { process_line($self, $line) };
+ my $pending = $self->{wbuf} ? ' pending' : '';
+ out($self, "[$fd] %s - %0.6f$pending", $line, now() - $t0);
return $self->close if $r < 0;
- my $len = bytes::length($$rbuf);
- return $self->close if ($len >= LINE_MAX);
$self->rbuf_idle($rbuf);
$self->update_idle_time;
# maybe there's more pipelined data, or we'll have
# to register it for socket-readiness notifications
- $self->requeue unless $self->{wbuf};
+ $self->requeue unless $pending;
}
# for graceful shutdown in PublicInbox::Daemon: