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Reset ss.numqueries_outstanding to 0 when giving up on an RPC port

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because of a lack of responses. Otherwise there is no way for that
number to decrease after moving on to the next port, leading to an
infinite loop. Lionel Cons reported the problem and provided a debug log
at http://seclists.org/nmap-dev/2009/q4/364.
This commit is contained in:
david
2009-11-11 17:49:31 +00:00
parent 3432ae3ad5
commit e22ebd5580
2 changed files with 7 additions and 0 deletions
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6
CHANGELOG
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@@ -1,5 +1,11 @@
# Nmap Changelog ($Id$); -*-text-*-
o Fixed a bug that could cause an infinite loop ("Unable to find
listening socket in get_rpc_results") in RPC scan. The loop would
happen when scanning a port that sent no responses, and there was at
least one other port to scan. Thanks to Lionel Cons for reporting
the problem. [David]
o [NSE] Improved the authentication used by the smb-* scripts. Instead of
looking in a bunch of places (registry, commandline, etc) for the
usernames/passwords, a table is kept. This lets us store any number

1
scan_engine.cc
View File

@@ -5501,6 +5501,7 @@ void pos_scan(Target *target, u16 *portarray, int numports, stype scantype) {
log_write(LOG_STDOUT, "RPC Scan giving up on port %hu proto %d due to repeated lack of response\n", rsi.rpc_current_port->portno, rsi.rpc_current_port->proto);
}
rsi.rpc_status = RPC_STATUS_NOT_RPC;
ss.numqueries_outstanding = 0;
break;
}
else {