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-rw-r--r--lib/smb.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/smb.c b/lib/smb.c
index 326b231c6..d990a892f 100644
--- a/lib/smb.c
+++ b/lib/smb.c
@@ -216,6 +216,10 @@ static CURLcode smb_connect(struct connectdata *conn, bool *done)
(void) done;
+ /* Check we have a username and password to authenticate with */
+ if(!conn->bits.user_passwd)
+ return CURLE_LOGIN_DENIED;
+
/* Initialize the connection state */
memset(smbc, 0, sizeof(*smbc));
smbc->state = SMB_CONNECTING;