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/*
Unix SMB/CIFS implementation.
Standardised Authentication types
Copyright (C) Andrew Bartlett 2001
Copyright (C) Stefan Metzmacher 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SAMBA_AUTH_H
#define _SAMBA_AUTH_H
extern const char *user_attrs[];
union netr_Validation;
struct netr_SamBaseInfo;
struct netr_SamInfo3;
/* modules can use the following to determine if the interface has changed
* please increment the version number after each interface change
* with a comment and maybe update struct auth_critical_sizes.
*/
/* version 1 - version from samba 3.0 - metze */
/* version 2 - initial samba4 version - metze */
/* version 3 - subsequent samba4 version - abartlet */
/* version 4 - subsequent samba4 version - metze */
/* version 0 - till samba4 is stable - metze */
#define AUTH_INTERFACE_VERSION 0
#define USER_INFO_CASE_INSENSITIVE_USERNAME 0x01 /* username may be in any case */
#define USER_INFO_CASE_INSENSITIVE_PASSWORD 0x02 /* password may be in any case */
#define USER_INFO_DONT_CHECK_UNIX_ACCOUNT 0x04 /* dont check unix account status */
#define USER_INFO_INTERACTIVE_LOGON 0x08 /* dont check unix account status */
enum auth_password_state {
AUTH_PASSWORD_RESPONSE,
AUTH_PASSWORD_HASH,
AUTH_PASSWORD_PLAIN
};
struct auth_usersupplied_info
{
const char *workstation_name;
struct socket_address *remote_host;
uint32_t logon_parameters;
bool mapped_state;
/* the values the client gives us */
struct {
const char *account_name;
const char *domain_name;
} client, mapped;
enum auth_password_state password_state;
union {
struct {
DATA_BLOB lanman;
DATA_BLOB nt;
} response;
struct {
struct samr_Password *lanman;
struct samr_Password *nt;
} hash;
char *plaintext;
} password;
uint32_t flags;
};
struct auth_serversupplied_info
{
struct dom_sid *account_sid;
struct dom_sid *primary_group_sid;
size_t n_domain_groups;
struct dom_sid **domain_groups;
DATA_BLOB user_session_key;
DATA_BLOB lm_session_key;
const char *account_name;
const char *domain_name;
const char *full_name;
const char *logon_script;
const char *profile_path;
const char *home_directory;
const char *home_drive;
const char *logon_server;
NTTIME last_logon;
NTTIME last_logoff;
NTTIME acct_expiry;
NTTIME last_password_change;
NTTIME allow_password_change;
NTTIME force_password_change;
uint16_t logon_count;
uint16_t bad_password_count;
uint32_t acct_flags;
bool authenticated;
};
struct auth_method_context;
struct auth_check_password_request;
struct auth_operations {
const char *name;
/* If you are using this interface, then you are probably
* getting something wrong. This interface is only for
* security=server, and makes a number of compromises to allow
* that. It is not compatible with being a PDC. */
NTSTATUS (*get_challenge)(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx, DATA_BLOB *challenge);
/* Given the user supplied info, check if this backend want to handle the password checking */
NTSTATUS (*want_check)(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info);
/* Given the user supplied info, check a password */
NTSTATUS (*check_password)(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info);
};
struct auth_method_context {
struct auth_method_context *prev, *next;
struct auth_context *auth_ctx;
const struct auth_operations *ops;
int depth;
void *private_data;
};
struct auth_context {
struct {
/* Who set this up in the first place? */
const char *set_by;
bool may_be_modified;
DATA_BLOB data;
} challenge;
/* methods, in the order they should be called */
struct auth_method_context *methods;
/* the event context to use for calls that can block */
struct event_context *event_ctx;
/* the messaging context which can be used by backends */
struct messaging_context *msg_ctx;
};
/* this structure is used by backends to determine the size of some critical types */
struct auth_critical_sizes {
int interface_version;
int sizeof_auth_operations;
int sizeof_auth_methods;
int sizeof_auth_context;
int sizeof_auth_usersupplied_info;
int sizeof_auth_serversupplied_info;
};
NTSTATUS encrypt_user_info(TALLOC_CTX *mem_ctx, struct auth_context *auth_context,
enum auth_password_state to_state,
const struct auth_usersupplied_info *user_info_in,
const struct auth_usersupplied_info **user_info_encrypted);
#include "auth/session.h"
#include "auth/system_session_proto.h"
#include "auth/auth_proto.h"
#endif /* _SMBAUTH_H_ */
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