Date: Thu, 19 Jun 2008 13:20:02 GMT From: Rui Paulo <rpaulo@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 143761 for review Message-ID: <200806191320.m5JDK2Xb001788@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=143761 Change 143761 by rpaulo@rpaulo_sigma on 2008/06/19 13:19:41 Ignore syn/ack for connections we have seen no syn. Affected files ... .. //depot/projects/soc2008/rpaulo-tcpad/handler.c#7 edit Differences ... ==== //depot/projects/soc2008/rpaulo-tcpad/handler.c#7 (text+ko) ==== @@ -23,7 +23,7 @@ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - * $P4: //depot/projects/soc2008/rpaulo-tcpad/handler.c#6 $ + * $P4: //depot/projects/soc2008/rpaulo-tcpad/handler.c#7 $ */ #include <stdio.h> @@ -99,6 +99,12 @@ TAILQ_INIT(cp->pktshead); dumper_addpkt(cp->pktshead, ph, bytes); } else if ((tcp->th_flags & TH_FLAGS) == (TH_SYN|TH_ACK)) { + if (rcp == NULL) { + /* ignore this syn+ack because we missed + the earlier syn. + */ + return; + } if (cp) { DPRINTF("connection already being tracked!\n"); print_packet(bytes, linkhlen);
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