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-rwxr-xr-xletsencrypt4
1 files changed, 2 insertions, 2 deletions
diff --git a/letsencrypt b/letsencrypt
index 23659d5..2b0249c 100755
--- a/letsencrypt
+++ b/letsencrypt
@@ -410,6 +410,8 @@ sub acme_client($@) {
die "connect: $!";
}
+ # use execve(2) rather than a Perl pseudo-process to ensure that the
+ # child doesn't have access to the parent's memory
my @fileno = map { fileno($_) =~ /^(\d+)$/ ? $1 : die } ($CONFFILE, $client); # untaint fileno
spawn({%$args{qw/in out/}, child => sub() {
drop_privileges($conf->{user}, $conf->{group}, $args->{chdir} // '/');
@@ -448,8 +450,6 @@ sub spawn($@) {
} else {
open STDOUT, '>', '/dev/null' or die "Can't open /dev/null: $!";
}
- # use execve(2) rather than a Perl pseudo-process to ensure that
- # the child doesn't have access to the parent's memory
exec { $exec[0] } @exec or die;
}
push @CLEANUP, sub() {