linux/fs/ksmbd/transport_ipc.h
Namjae Jeon 621be84a9d ksmbd: throttle session setup failures to avoid dictionary attacks
To avoid dictionary attacks (repeated session setups rapidly sent) to
connect to server, ksmbd make a delay of a 5 seconds on session setup
failure to make it harder to send enough random connection requests
to break into a server if a user insert the wrong password 10 times
in a row.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
2021-10-20 00:07:10 -05:00

48 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2018 Samsung Electronics Co., Ltd.
*/
#ifndef __KSMBD_TRANSPORT_IPC_H__
#define __KSMBD_TRANSPORT_IPC_H__
#include <linux/wait.h>
#define KSMBD_IPC_MAX_PAYLOAD 4096
struct ksmbd_login_response *
ksmbd_ipc_login_request(const char *account);
struct ksmbd_session;
struct ksmbd_share_config;
struct ksmbd_tree_connect;
struct sockaddr;
struct ksmbd_tree_connect_response *
ksmbd_ipc_tree_connect_request(struct ksmbd_session *sess,
struct ksmbd_share_config *share,
struct ksmbd_tree_connect *tree_conn,
struct sockaddr *peer_addr);
int ksmbd_ipc_tree_disconnect_request(unsigned long long session_id,
unsigned long long connect_id);
int ksmbd_ipc_logout_request(const char *account, int flags);
struct ksmbd_share_config_response *
ksmbd_ipc_share_config_request(const char *name);
struct ksmbd_spnego_authen_response *
ksmbd_ipc_spnego_authen_request(const char *spnego_blob, int blob_len);
int ksmbd_ipc_id_alloc(void);
void ksmbd_rpc_id_free(int handle);
struct ksmbd_rpc_command *ksmbd_rpc_open(struct ksmbd_session *sess, int handle);
struct ksmbd_rpc_command *ksmbd_rpc_close(struct ksmbd_session *sess, int handle);
struct ksmbd_rpc_command *ksmbd_rpc_write(struct ksmbd_session *sess, int handle,
void *payload, size_t payload_sz);
struct ksmbd_rpc_command *ksmbd_rpc_read(struct ksmbd_session *sess, int handle);
struct ksmbd_rpc_command *ksmbd_rpc_ioctl(struct ksmbd_session *sess, int handle,
void *payload, size_t payload_sz);
struct ksmbd_rpc_command *ksmbd_rpc_rap(struct ksmbd_session *sess, void *payload,
size_t payload_sz);
void ksmbd_ipc_release(void);
void ksmbd_ipc_soft_reset(void);
int ksmbd_ipc_init(void);
#endif /* __KSMBD_TRANSPORT_IPC_H__ */