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Nmap 4.02Alpha1 release for Everdream

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fyodor
2006-03-03 23:12:14 +00:00
parent bd46c3ae39
commit 848ad2a96a
19 changed files with 164 additions and 116 deletions
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11
scan_engine.cc
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@@ -807,6 +807,7 @@ GroupScanStats::~GroupScanStats() {
/* Returns true if the GLOBAL system says that sending is OK.*/
bool GroupScanStats::sendOK() {
int recentsends;
if (USI->scantype == CONNECT_SCAN && CSI->numSDs >= CSI->maxSocketsAllowed)
return false;
@@ -815,7 +816,9 @@ bool GroupScanStats::sendOK() {
the last listen call, at least for systems such as Windoze that
don't give us a proper pcap time. Also for connect scans, since
we don't get an exact response time with them either. */
if (USI->scantype == CONNECT_SCAN || !pcap_recv_timeval_valid()) {
recentsends = USI->gstats->probes_sent - USI->gstats->probes_sent_at_last_wait;
if (recentsends > 0 &&
(USI->scantype == CONNECT_SCAN || !pcap_recv_timeval_valid())) {
int to_ms = (int) MAX(to.srtt * .75 / 1000, 50);
if (TIMEVAL_MSEC_SUBTRACT(USI->now, last_wait) > to_ms)
return false;
@@ -828,7 +831,7 @@ bool GroupScanStats::sendOK() {
responses when I scan localhost. And half of those are the @#$#
sends being received. I think I'll put a limit of 50 sends per
wait */
if (USI->gstats->probes_sent - USI->gstats->probes_sent_at_last_wait >= 50)
if (recentsends >= 50)
return false;
/* When there is only one target left, let the host congestion
@@ -969,7 +972,7 @@ bool HostScanStats::sendOK(struct timeval *when) {
getTiming(&tmng);
if (tmng.cwnd >= num_probes_active + .5 &&
(freshPortsLeft() || num_probes_waiting_retransmit)) {
(freshPortsLeft() || num_probes_waiting_retransmit || !retry_stack.empty())) {
if (when) *when = USI->now;
return true;
}
@@ -3293,7 +3296,7 @@ void processData(UltraScanInfo *USI) {
if (tryno_capped && lastRetryCappedWarning != USI) {
/* Perhaps I should give this on a per-host basis. Oh
well, hopefully it is rare anyway. */
printf("Warning: Finishing early because retransmission cap hit.\n");
printf("Warning: Giving up on port early because retransmission cap hit.\n");
lastRetryCappedWarning = USI;
}
continue;