From 5eae261e7247260f816137451e27886c76288112 Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Tue, 29 Apr 2003 18:15:37 +0000
Subject: fork() for calling mixmaster, so we can exec() it rather can using
 open("| ...") which ivokes a shell.

---
 Echolot/Pinger/Mix.pm | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

(limited to 'Echolot')

diff --git a/Echolot/Pinger/Mix.pm b/Echolot/Pinger/Mix.pm
index f331f2a..1b774a2 100644
--- a/Echolot/Pinger/Mix.pm
+++ b/Echolot/Pinger/Mix.pm
@@ -1,7 +1,7 @@
 package Echolot::Pinger::Mix;
 
 # (c) 2002 Peter Palfrader <peter@palfrader.org>
-# $Id: Mix.pm,v 1.13 2003/02/17 14:44:15 weasel Exp $
+# $Id: Mix.pm,v 1.14 2003/04/29 18:15:37 weasel Exp $
 #
 
 =pod
@@ -66,14 +66,22 @@ sub ping($$$$$) {
 		Echolot::Log::warn("Cannot close $mixcfg: $!."),
 		return 0;
 	
-	$ENV{'MIXPATH'} = Echolot::Config::get()->{'mixhome'};
-	open(MIX, "|".Echolot::Config::get()->{'mixmaster'}." -m -S -l $chaincomma 2>/dev/null") or
-		Echolot::Log::warn("Cannot exec mixpinger: $!."),
+	my $pid = open(KID, "|-");
+	defined $pid or
+		Echolot::Log::warn("Cannot fork for calling mixmaster: $!."),
 		return 0;
-	print MIX "From: Echolot Pinger <$address>\n"
+	unless ($pid) { # child
+		$ENV{'MIXPATH'} = Echolot::Config::get()->{'mixhome'};
+		{ exec(Echolot::Config::get()->{'mixmaster'}, qw{-m -S -l}, $chaincomma); };
+		Echolot::Log::warn("Cannot exec mixpinger: $!.");
+		exit(1);
+	};
+	print KID "From: Echolot Pinger <$address>\n"
 		if $with_from;
-	print MIX "To: $to\n\n$body\n";
-	close (MIX);
+	print KID "To: $to\n\n$body\n";
+	close (KID);
+
+	waitpid $pid, 0;
 	    
 	return 1;
 };
-- 
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