From d4fdd1e590775f0c2b7dbf8f51a91b1c15542441 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Mon, 18 May 2020 11:53:31 -0700
Subject: [PATCH] Fix for TLS v1.3 test PSK callback to support cipher list.
 Add support for `GetCipherSuiteFromName` to accept a name ending with colon.

---
 examples/client/client.c |  2 +-
 src/internal.c           | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/examples/client/client.c b/examples/client/client.c
index 8fea2b0f9..96a126c86 100644
--- a/examples/client/client.c
+++ b/examples/client/client.c
@@ -2080,7 +2080,7 @@ THREAD_RETURN WOLFSSL_THREAD client_test(void* args)
 
         #ifndef NO_PSK
         if (usePsk) {
-            done += 1; /* don't perform exernal tests if PSK is enabled */
+            done += 1; /* don't perform external tests if PSK is enabled */
         }
         #endif
 
diff --git a/src/internal.c b/src/internal.c
index ab5ba26e7..10e62f2a9 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -18723,7 +18723,15 @@ int GetCipherSuiteFromName(const char* name, byte* cipherSuite0,
 {
     int           ret = BAD_FUNC_ARG;
     int           i;
-    unsigned long len = (unsigned long)XSTRLEN(name);
+    unsigned long len;
+    const char*   nameDelim;
+    
+    /* Support trailing : */
+    nameDelim = XSTRSTR(name, ":");
+    if (nameDelim)
+        len = (unsigned long)(nameDelim - name);
+    else
+        len = (unsigned long)XSTRLEN(name);
 
     for (i = 0; i < GetCipherNamesSize(); i++) {
         if (XSTRNCMP(name, cipher_names[i].name, len) == 0) {