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starting to make major updates to nmap-os-db, various fixes to the related tools

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fyodor
2006-09-12 10:46:50 +00:00
parent 6dedc52a1d
commit 02aaa51e19
3 changed files with 317 additions and 13 deletions
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15
osscan2.cc
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@@ -1663,10 +1663,7 @@ void HostOsScan::makeTSeqFP(HostOsScanStats *hss) {
avg_ts_hz += dhz / ( hss->si.responses - 1);
}
/* if (o.debugging)
printf("The avg TCP TS HZ of %s is: %f\n", hss->target->targetipstr(), avg_ts_hz); */
if (avg_ts_hz > 0 && avg_ts_hz < 3.9) { /* relatively wide range because sampling time so short and frequency so slow */
if (avg_ts_hz > 0 && avg_ts_hz < 3.9) { /* relatively wide range because sampling time so short and frequency so slow */
hss->si.ts_seqclass = TS_SEQ_2HZ;
hss->si.lastboot = hss->seq_send_times[0].tv_sec - (hss->si.timestamps[0] / 2);
}
@@ -1678,11 +1675,11 @@ void HostOsScan::makeTSeqFP(HostOsScanStats *hss) {
hss->si.ts_seqclass = TS_SEQ_1000HZ;
hss->si.lastboot = hss->seq_send_times[0].tv_sec - (hss->si.timestamps[0] / 1000);
}
else if (avg_ts_hz > 0) {
hss->si.ts_seqclass = TS_SEQ_OTHER_NUM;
else if (avg_ts_hz > 0) {
hss->si.ts_seqclass = TS_SEQ_OTHER_NUM;
hss->si.lastboot = hss->seq_send_times[0].tv_sec - (hss->si.timestamps[0] / (unsigned int)(0.5 + avg_ts_hz));
}
}
if (hss->si.lastboot && (hss->seq_send_times[0].tv_sec - hss->si.lastboot > 63072000)) {
/* Up 2 years? Perhaps, but they're probably lying. */
if (o.debugging) {
@@ -1693,7 +1690,7 @@ void HostOsScan::makeTSeqFP(HostOsScanStats *hss) {
hss->si.lastboot = 0;
}
}
/* Time to look at the TCP ISN predictability */
if (hss->si.responses >= 4 && o.scan_delay <= 1000) {