Clear out FTP server options before each new client.

Wait for child processes to die to avoid creating zombies.
This commit is contained in:
Dan Fandrich 2007-04-24 21:30:39 +00:00
parent bc1ae973da
commit 17507eac85
2 changed files with 13 additions and 0 deletions

View File

@ -64,6 +64,7 @@ sub ftpkillslave {
if($pid > 0) {
printf ("* kill pid for %s => %d\n", "ftp-$base$id$ext", $pid) if($verbose);
kill (9, $pid); # die!
waitpid($pid, 0);
}
unlink($f);
}

View File

@ -139,6 +139,7 @@ sub sysread_or_die {
logmsg "Failed to read input\n";
logmsg "Error: ftp$ftpdnum$ext sysread error: $!\n";
kill(9, $sfpid);
waitpid($sfpid, 0);
die "Died in sysread_or_die() at $fcaller " .
"line $lcaller. ftp$ftpdnum$ext sysread error: $!\n";
}
@ -147,6 +148,7 @@ sub sysread_or_die {
logmsg "Failed to read input\n";
logmsg "Error: ftp$ftpdnum$ext read zero\n";
kill(9, $sfpid);
waitpid($sfpid, 0);
die "Died in sysread_or_die() at $fcaller " .
"line $lcaller. ftp$ftpdnum$ext read zero\n";
}
@ -167,6 +169,7 @@ sub startsf {
if($pong !~ /^PONG/) {
logmsg "Failed sockfilt command: $cmd\n";
kill(9, $sfpid);
waitpid($sfpid, 0);
die "Failed to start sockfilt!";
}
}
@ -569,6 +572,7 @@ sub PASV_command {
if($pong !~ /^PONG/) {
kill(9, $slavepid);
waitpid($slavepid, 0);
sendcontrol "500 no free ports!\r\n";
logmsg "failed to run sockfilt for data connection\n";
return 0;
@ -697,6 +701,7 @@ sub PORT_command {
if($pong !~ /^PONG/) {
logmsg "Failed sockfilt for data connection\n";
kill(9, $slavepid);
waitpid($slavepid, 0);
}
logmsg "====> Client DATA connect to port $port\n";
@ -712,6 +717,12 @@ sub customize {
$nosave = 0; # default is to save as normal
$controldelay = 0; # default is no delaying the responses
$retrweirdo = 0;
$retrnosize = 0;
$pasvbadip = 0;
$nosave = 0;
%customcount = ();
%delayreply = ();
open(CUSTOM, "<log/ftpserver.cmd") ||
return 1;
@ -787,6 +798,7 @@ while(1) {
$| = 1;
kill(9, $slavepid) if($slavepid);
waitpid($slavepid, 0) if($slavepid);
$slavepid=0;
&customize(); # read test control instructions