[vlc-commits] sftp: ssh authentication list can return NULL if it fails

[Ion Agorria]

vlc | branch: master | Ion Agorria <ion at agorria.com> | Thu Oct 26 10:34:38 2017 +0200| [b4247bb56fd606506c85a683a660746967c810d1] | committer: Jean-Baptiste Kempf

sftp: ssh authentication list can return NULL if it fails

Signed-off-by: Jean-Baptiste Kempf <jb at videolan.org>

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=b4247bb56fd606506c85a683a660746967c810d1
---

 modules/access/sftp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/access/sftp.c b/modules/access/sftp.c
index c119a223f8..41ae894da3 100644
--- a/modules/access/sftp.c
+++ b/modules/access/sftp.c
@@ -313,6 +313,10 @@ static int Open( vlc_object_t* p_this )
             continue;
 
         psz_userauthlist = libssh2_userauth_list( p_sys->ssh_session, credential.psz_username, strlen( credential.psz_username ) );
+        if (!psz_userauthlist) {
+            msg_Err( p_access, "Host authentication list failed");
+            goto error;
+        }
 
         /* TODO: Follow PreferredAuthentications in ssh_config */