From: Eric Wong <e@80x24.org>
Date: Fri, 17 Sep 2021 12:12:30 +0000 (-0500)
Subject: script/lei: umask(077) before execve
X-Git-Tag: v1.7.0~350
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;ds=sidebyside;h=3ba7362f0bf1bef8ddc76cd311576d9348a94fe0;p=public-inbox.git

script/lei: umask(077) before execve

While my MUA also runs umask(077) unconditionally, not all
MUAs do.  Additionally, pagers may support writing its buffer
to disk, so ensure anything else we spawn has umask(077).
---

diff --git a/script/lei b/script/lei
index 2d84487a..591013e3 100755
--- a/script/lei
+++ b/script/lei
@@ -53,6 +53,7 @@ my $exec_cmd = sub {
 		}
 		my %env = map { split(/=/, $_, 2) } splice(@argv, $argc);
 		@ENV{keys %env} = values %env;
+		umask 077;
 		exec(@argv);
 		warn "exec: @argv: $!\n";
 		POSIX::_exit(1);