[openssl] OpenSSL_1_1_1-stable update

[Viktor Dukhovni]

The branch OpenSSL_1_1_1-stable has been updated
       via  2b7efbd03295f8a345b63acd212e22cb5a3d19df (commit)
      from  cf8b3732484a7a087c1e004551e3f8c51203c69d (commit)


- Log -----------------------------------------------------------------
commit 2b7efbd03295f8a345b63acd212e22cb5a3d19df
Author: Viktor Dukhovni <openssl-users at dukhovni.org>
Date:   Mon Jul 15 13:12:04 2019 -0400

    Actually silently ignore GET / OCSP requests
    
    Reviewed-by: Matt Caswell <matt at openssl.org>

-----------------------------------------------------------------------

Summary of changes:
 apps/ocsp.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/apps/ocsp.c b/apps/ocsp.c
index 066a2e4..5d23918 100644
--- a/apps/ocsp.c
+++ b/apps/ocsp.c
@@ -1416,9 +1416,11 @@ static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
         *q = '\0';
 
         /*
-         * Skip "GET / HTTP..." requests often used by load-balancers
+         * Skip "GET / HTTP..." requests often used by load-balancers.  Note:
+         * 'p' was incremented above to point to the first byte *after* the
+         * leading slash, so with 'GET / ' it is now an empty string.
          */
-        if (p[1] == '\0')
+        if (p[0] == '\0')
             goto out;
 
         len = urldecode(p);