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Re^4: how to write thread which was multithreaded port scan scripts for nmap

by Anonymous Monk
on Jan 25, 2013 at 10:53 UTC ( #1015323=note: print w/replies, xml ) Need Help??


in reply to Re^3: how to write thread which was multithreaded port scan scripts for nmap
in thread how to write thread which was multithreaded port scan scripts for nmap

now has 2 question
1、thread dont have Limit the number of running,how to limit?
2、my scirpt dont to update date to mssql
the nmap scan process has finshed, but the row "port" is a blank,not null。
#!/usr/bin/perl use strict; use warnings; use DBI; use threads; my $dsn = 'DBI:Sybase:server=sql1'; my $dbh = DBI->connect($dsn, "test", 'oray.com'); die "unable to connect to server $DBI::errstr" unless $dbh; $dbh->do("use portscan"); my $query = "SELECT domainname FROM psinfo"; my $sth = $dbh->prepare ($query) or die "prepare failed\n"; $sth->execute() or die "unable to execute query $query error $DBI::e +rrstr"; my $line; my $myport; while ($line = $sth->fetchrow_array()) { my $new_thread = threads->new(\&scan_domain, $line); print "$myport\n"; #for test my $upd_sth = $dbh->prepare("update psinfo set port=\'$myport\' where +domainname=\'$line\'"); $upd_sth->execute() or die "unable to execute update line where name i +s $line! error $DBI::errstr"; $upd_sth->finish; } sub scan_domain { my $s_myport; my $domain_name = shift; print "started thread for $domain_name\n"; my @list =`nmap $line`; foreach(@list){ if($_=~/open/g){ $_ =~ s/\/.*//g; if($s_myport) {$s_myport=$s_myport.','.$_;chomp $s_myport;} else{$s_myport=$_; chomp $s_myport} } } $myport=$s_myport; } $sth->finish;
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[ambrus]: Corion: some of these stupid syntax highlighters assume that too. just look at the table in http://perldoc. perl.org/ functions/pack. html for example.
[haukex]: ..."yet" ;-) I haven't had to deal with Dist::Zilla yet but I've heard about how it's a big setup
[ambrus]: I really don't like automagic stuff. I'm happy when computers do exactly what I tell them, even if that means they sometimes do the wrong thing.
[ambrus]: And I don't much like syntax highlighters. If you need a syntax highlighter to understand your code, then your code is written unclear.
[ambrus]: And if you need a syntax highlighter to color parenthesis green and numbers black and letters blue, then you're using the wrong font.
[ambrus]: I have to tolerate syntax highlighters when other people use them, but I don't use them myself. And sorry for the rant.

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