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Check address family before loading OS fingerprints

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In addition to silencing an unnecessary fatal error when nmap-os-db is
not found but user has requested -6, this should make start times a bit
more efficient, since only 1 or the other database is loaded. Patch by
Alexandru Geana

Fixes #97
This commit is contained in:
dmiller 2015-04-07 21:31:06 +00:00
parent d17ec63ba5
commit 4a491e35d8
1 changed files with 4 additions and 2 deletions
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6
nmap.cc
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@ -1426,8 +1426,10 @@ void apply_delayed_options() {
if (o.osscan) {
o.reference_FPs = parse_fingerprint_reference_file("nmap-os-db");
o.os_labels_ipv6 = load_fp_matches();
if (o.af() == AF_INET)
o.reference_FPs = parse_fingerprint_reference_file("nmap-os-db");
else if (o.af() == AF_INET6)
o.os_labels_ipv6 = load_fp_matches();
}
// Must check and change this before validate_scan_lists