linux/fs/ksmbd/mgmt/user_config.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

68 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2018 Samsung Electronics Co., Ltd.
*/
#ifndef __USER_CONFIG_MANAGEMENT_H__
#define __USER_CONFIG_MANAGEMENT_H__
#include "../glob.h"
struct ksmbd_user {
unsigned short flags;
unsigned int uid;
unsigned int gid;
char *name;
size_t passkey_sz;
char *passkey;
unsigned int failed_login_count;
};
static inline bool user_guest(struct ksmbd_user *user)
{
return user->flags & KSMBD_USER_FLAG_GUEST_ACCOUNT;
}
static inline void set_user_flag(struct ksmbd_user *user, int flag)
{
user->flags |= flag;
}
static inline int test_user_flag(struct ksmbd_user *user, int flag)
{
return user->flags & flag;
}
static inline void set_user_guest(struct ksmbd_user *user)
{
}
static inline char *user_passkey(struct ksmbd_user *user)
{
return user->passkey;
}
static inline char *user_name(struct ksmbd_user *user)
{
return user->name;
}
static inline unsigned int user_uid(struct ksmbd_user *user)
{
return user->uid;
}
static inline unsigned int user_gid(struct ksmbd_user *user)
{
return user->gid;
}
struct ksmbd_user *ksmbd_login_user(const char *account);
struct ksmbd_user *ksmbd_alloc_user(struct ksmbd_login_response *resp);
void ksmbd_free_user(struct ksmbd_user *user);
int ksmbd_anonymous_user(struct ksmbd_user *user);
#endif /* __USER_CONFIG_MANAGEMENT_H__ */