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PRESENCE/presenced: fixed crash of presenced when receiving an invalid command (thanks to Sven); code makeup
git-svn-id: https://svn.fhem.de/fhem/trunk@10988 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
markusbloch
parent
fc6aa6b733
commit
af05573479
@ -42,6 +42,9 @@ use strict;
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sub Log($$);
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sub timestamp();
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sub daemonize();
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sub doQuery($$);
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my $new_client;
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my $server;
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@ -68,14 +71,11 @@ GetOptions(
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"l=s" => \$opt_l, "logfile=s" => \$opt_l,
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"p=i" => \$opt_p, "port=i" => \$opt_p,
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"P=s" => \$opt_P, "pid-file=s" => \$opt_P,
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"h" => \$opt_h, "help" => \$opt_h);
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"h" => \$opt_h, "help" => \$opt_h
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);
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Log 0, "=================================================" if($opt_l);
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Log 1, "started with PID $$";
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if(-e "$opt_P")
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@ -85,11 +85,8 @@ if(-e "$opt_P")
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exit 1;
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}
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sub print_usage () {
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sub print_usage ()
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{
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print "Usage:\n";
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print " presenced -d [-p <port>] [-P <filename>] \n";
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print " presenced [-h | --help]\n";
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@ -104,10 +101,8 @@ sub print_usage () {
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print " Print detailed log output\n";
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print " -h, --help\n";
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print " Print detailed help screen\n";
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}
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if($opt_d)
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{
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daemonize();
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@ -119,12 +114,10 @@ if($opt_h)
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exit;
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}
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open(PIDFILE, ">$opt_P") or die("Could not open PID file $opt_P: $!");
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print PIDFILE $$."\n";
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close PIDFILE;
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$server = new IO::Socket::INET (
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LocalPort => $opt_p,
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Proto => 'tcp',
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@ -140,8 +133,6 @@ Log 0, "created socket on ".$server->sockhost().":".$server->sockport();
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my $listener = IO::Select->new();
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$listener->add($server);
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my @new_handles;
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my %child_handles;
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my %child_config;
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@ -168,7 +159,6 @@ $server_pid = $$ unless(defined($server_pid));
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while(1)
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{
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if($log_queue->pending)
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{
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Log 2, $log_queue->dequeue;
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@ -184,7 +174,6 @@ while(1)
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$listener->add($new_client);
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Log 1, "new connection from ".$new_client->peerhost().":".$new_client->peerport();
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}
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else
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{
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@ -193,11 +182,8 @@ while(1)
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if($buf)
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{
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$buf =~ s/(^\s*|\s*$)//g;
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if($buf =~ /^\s*([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}\s*\|\s*\d+\s*$/)
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{
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$client->send("command accepted\n");
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@ -222,9 +208,6 @@ while(1)
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my $new_thread = threads->new(\&doQuery, ($write_handle, $address, $timeout));
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Log 2, "created thread ".$new_thread->tid()." for processing device $address within $timeout seconds for peer ".$client->peerhost().":".$client->peerport();
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$new_thread->detach();
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$child_handles{$client} = $new_thread;
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@ -255,7 +238,6 @@ while(1)
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$queues{$child_handles{$client}->tid()}->enqueue("stop");
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$client->send("command accepted\n");
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delete($child_handles{$client});
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}
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else
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{
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@ -264,12 +246,9 @@ while(1)
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}
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else
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{
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$client->send("command rejected\n");
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$queues{$child_handles{$client}->tid()}->enqueue("stop");
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Log 1, "received invalid command >>$buf<< from client ".$client->peerhost().":".$client->peerport();
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}
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}
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else
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{
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@ -287,17 +266,10 @@ while(1)
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$client = undef;
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Log 1, "closed successfully all threads";
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;
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}
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}
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}
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}
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}
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}
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if(defined($sig_received))
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{
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@ -307,10 +279,9 @@ while(1)
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Log 0, "exiting";
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exit;
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}
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}
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sub daemonize
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sub daemonize()
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{
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use POSIX;
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POSIX::setsid or die "setsid $!";
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@ -346,8 +317,6 @@ my $nextrun = gettimeofday();
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my $cmd;
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my $run = 1;
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if($address and $timeout)
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{
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THREADLOOP: while($run)
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@ -373,7 +342,6 @@ my $run = 1;
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$nextrun = gettimeofday();
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$log_queue->enqueue(threads->tid()."|new address: $address - new timeout $timeout");
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}
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}
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@ -383,15 +351,16 @@ my $run = 1;
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{
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{
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lock($querylocker);
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if($querylocker gt (gettimeofday() - 2))
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{
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$log_queue->enqueue(threads->tid()."|waiting before hcitool command execution because last command was executed within the last 2 seconds");
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sleep rand(1) + 1;
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}
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$hcitool = qx(which hcitool);
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chomp $hcitool;
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if( -x "$hcitool")
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{
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$return = qx(hcitool name $address 2>/dev/null);
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@ -400,9 +369,12 @@ my $run = 1;
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{
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$write_handle->send("error\n") if(defined($write_handle));
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}
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$querylocker = gettimeofday();
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}
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chomp $return;
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if(not $return =~ /^\s*$/)
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{
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$write_handle->send("present;$return\n") if(defined($write_handle));
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@ -414,19 +386,16 @@ my $run = 1;
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$nextrun = gettimeofday() + $timeout;
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}
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}
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sleep 1;
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}
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}
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delete($queues{threads->tid()}) if(exists($queues{threads->tid()}));
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}
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sub timestamp
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sub timestamp()
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{
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return POSIX::strftime("%Y-%m-%d %H:%M:%S",localtime);
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}
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@ -440,6 +409,7 @@ sub Log($$)
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{
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($thread, $message) = split("\\|", $message);
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}
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if($loglevel <= $opt_v)
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{
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if($opt_l)
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@ -455,5 +425,4 @@ sub Log($$)
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close(LOGFILE);
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}
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}
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