[openssh-commits] [openssh] 03/04: upstream: better error message when trying to use a FIDO key

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djm pushed a commit to branch master
in repository openssh.

commit dd992520bed35387fc010239abe1bdc0c2665e38
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Fri Feb 28 01:06:05 2020 +0000

    upstream: better error message when trying to use a FIDO key
    
    function and SecurityKeyProvider is empty
    
    OpenBSD-Commit-ID: e56602c2ee8c82f835d30e4dc8ee2e4a7896be24
---
 ssh-sk.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ssh-sk.c b/ssh-sk.c
index 5ff93819..30225891 100644
--- a/ssh-sk.c
+++ b/ssh-sk.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-sk.c,v 1.27 2020/02/06 22:30:54 naddy Exp $ */
+/* $OpenBSD: ssh-sk.c,v 1.28 2020/02/28 01:06:05 djm Exp $ */
 /*
  * Copyright (c) 2019 Google LLC
  *
@@ -100,6 +100,10 @@ sshsk_open(const char *path)
 	struct sshsk_provider *ret = NULL;
 	uint32_t version;
 
+	if (path == NULL || *path == '\0') {
+		error("No FIDO SecurityKeyProvider specified");
+		return NULL;
+	}
 	if ((ret = calloc(1, sizeof(*ret))) == NULL) {
 		error("%s: calloc failed", __func__);
 		return NULL;

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