Commit b8ed9da1 authored by Meetakshi Setiya's avatar Meetakshi Setiya Committed by Steve French
Browse files

cifs: support reconnect with alternate password for SMB1 



SMB1 shares the mount and remount code paths with SMB2/3 and already
supports password rotation in some scenarios. This patch extends the
password rotation support to SMB1 reconnects as well.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarMeetakshi Setiya <msetiya@microsoft.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 5bc55a33

fs/smb/client/cifssmb.c

+10 −1
Original line number Diff line number Diff line
@@ -152,8 +152,17 @@ cifs_reconnect_tcon(struct cifs_tcon *tcon, int smb_command) 
	spin_unlock(&ses->ses_lock);



	rc = cifs_negotiate_protocol(0, ses, server);

	if (!rc)

	if (!rc) {

		rc = cifs_setup_session(0, ses, server, ses->local_nls);

		if ((rc == -EACCES) || (rc == -EHOSTDOWN) || (rc == -EKEYREVOKED)) {

			/*

			 * Try alternate password for next reconnect if an alternate

			 * password is available.

			 */

			if (ses->password2)

				swap(ses->password2, ses->password);

		}

	}



	/* do we need to reconnect tcon? */

	if (rc || !tcon->need_reconnect) {