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authorEric Wong (Contractor, The Linux Foundation) <e@80x24.org>2018-04-18 20:58:35 +0000
committerEric Wong (Contractor, The Linux Foundation) <e@80x24.org>2018-04-18 20:58:35 +0000
commitcfb8d16578e7f2f2e300f9f436205e4a8fc7f322 (patch)
tree2b102728613d0019102dccb6d281ed9aaec03326 /lib/PublicInbox/NNTP.pm
parent1dc0f0c10fd856166a6726034de8aec53392901a (diff)
parent119463b3b8517e5ec149198bb83588999118ee1d (diff)
downloadpublic-inbox-cfb8d16578e7f2f2e300f9f436205e4a8fc7f322.tar.gz
* origin/master:
  nntp: allow and ignore empty commands
  mbox: do not barf on queries which return no results
  nntp: fix NEWNEWS command
  searchview: fix non-numeric comparison
  Allow specification of the number of search results to return
  githttpbackend: avoid infinite loop on generic PSGI servers
  http: fix modification of read-only value
  extmsg: use news.gmane.org for Message-ID lookups
  extmsg: rework partial MID matching to favor current inbox
  Update the installation instructions with Fedora package names
  nntp: do not drain rbuf if there is a command pending
  nntp: improve fairness during XOVER and similar commands
  searchidx: do not modify Xapian DB while iterating
  Don't use LIMIT in UPDATE statements
Diffstat (limited to 'lib/PublicInbox/NNTP.pm')
-rw-r--r--lib/PublicInbox/NNTP.pm13
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index ace56e7a..cdbd8e98 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -115,6 +115,7 @@ sub args_ok ($$) {
 sub process_line ($$) {
         my ($self, $l) = @_;
         my ($req, @args) = split(/\s+/, $l);
+        return unless defined($req);
         $req = lc($req);
         $req = eval {
                 no strict 'refs';
@@ -943,11 +944,13 @@ sub event_write {
 sub event_read {
         my ($self) = @_;
         use constant LINE_MAX => 512; # RFC 977 section 2.3
-        my $r = 1;
 
-        my $buf = $self->read(LINE_MAX) or return $self->close;
-        $self->{rbuf} .= $$buf;
-        while ($r > 0 && $self->{rbuf} =~ s/\A\s*([^\r\n]+)\r?\n//) {
+        if (index($self->{rbuf}, "\n") < 0) {
+                my $buf = $self->read(LINE_MAX) or return $self->close;
+                $self->{rbuf} .= $$buf;
+        }
+        my $r = 1;
+        while ($r > 0 && $self->{rbuf} =~ s/\A\s*([^\r\n]*)\r?\n//) {
                 my $line = $1;
                 return $self->close if $line =~ /[[:cntrl:]]/s;
                 my $t0 = now();
@@ -967,7 +970,7 @@ sub event_read {
 sub watch_read {
         my ($self, $bool) = @_;
         my $rv = $self->SUPER::watch_read($bool);
-        if ($bool && $self->{rbuf} ne '') {
+        if ($bool && index($self->{rbuf}, "\n") >= 0) {
                 # Force another read if there is a pipelined request.
                 # We don't know if the socket has anything for us to read,
                 # and we must double-check again by the time the timer fires