From: Michael Elkins <me@mutt.org>
Date: Fri, 25 Nov 2011 20:52:55 +0000 (-0800)
Subject: Check that $sendmail is set to avoid potential segfault.  Closes #3548.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=23b9e2634ae32e5b8416f2426d58028f562c9a03;p=neomutt

Check that $sendmail is set to avoid potential segfault.  Closes #3548.
---

diff --git a/sendlib.c b/sendlib.c
index 4daafaff0..1ee7fb2b1 100644
--- a/sendlib.c
+++ b/sendlib.c
@@ -2344,6 +2344,13 @@ mutt_invoke_sendmail (ADDRESS *from,	/* the sender */
   size_t argslen = 0, argsmax = 0;
   int i;
 
+  /* ensure that $sendmail is set to avoid a crash. http://dev.mutt.org/trac/ticket/3548 */
+  if (!s)
+  {
+    mutt_error(_("$sendmail must be set in order to send mail."));
+    return -1;
+  }
+
   ps = s;
   i = 0;
   while ((ps = strtok (ps, " ")))