From 1aad7ab6fcc3afc5fab74a3c6a795d4e868942fa Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@courtesan.com>
Date: Tue, 14 Sep 2010 09:23:28 -0400
Subject: [PATCH] Reset signal mask at sudo startup time; we need to be able to
 rely on normal signal delivery to control the child process.

--HG--
branch : 1.7
---
 sudo.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sudo.c b/sudo.c
index 0d314882f..3b9bd3f16 100644
--- a/sudo.c
+++ b/sudo.c
@@ -1057,10 +1057,15 @@ static void
 initial_setup()
 {
     int miss[3], devnull = -1;
+    sigset_t mask;
 #if defined(__linux__) || (defined(RLIMIT_CORE) && !defined(SUDO_DEVEL))
     struct rlimit rl;
 #endif
 
+    /* Reset signal mask. */
+    (void) sigfillset(&mask);
+    (void) sigprocmask(SIG_UNBLOCK, &mask, NULL);
+
 #if defined(__linux__)
     /*
      * Unlimit the number of processes since Linux's setuid() will
-- 
2.40.0