From 649a523b35105b4630ab38eff94ce4b159a21070 Mon Sep 17 00:00:00 2001
From: Jacob Barthelmeh <jacob@wolfssl.com>
Date: Wed, 22 Jul 2020 10:37:57 -0600
Subject: [PATCH] sanity check for file name size and typo fix from review

---
 src/wolfscp.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/wolfscp.c b/src/wolfscp.c
index e25e652..83f998f 100644
--- a/src/wolfscp.c
+++ b/src/wolfscp.c
@@ -2512,7 +2512,13 @@ int wsScpRecvCallback(WOLFSSH* ssh, int state, const char* basePath,
 
         case WOLFSSH_SCP_NEW_FILE:
             /* create file */
-            WMEMCPY(recvBuffer->name, fileName, WSTRLEN(fileName));
+            sz = (int)WSTRLEN(fileName);
+            if (sz >= DEFAULT_SCP_FILE_NAME_SZ) {
+                wolfSSH_SetScpErrorMsg(ssh, "file name is too large");
+                ret = WS_SCP_ABORT;
+                break;
+            }
+            WMEMCPY(recvBuffer->name, fileName, sz);
             recvBuffer->mTime = mTime;
             recvBuffer->mode = fileMode;
             break;
@@ -2632,7 +2638,7 @@ int wsScpSendCallback(WOLFSSH* ssh, int state, const char* peerRequest,
 
     return ret;
 }
-#endif /* NO_FILESYSTME */
+#endif /* NO_FILESYSTEM */
 #endif /* WOLFSSH_SCP_USER_CALLBACKS */
 
 #endif /* WOLFSSH_SCP */