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/*
Unix SMB/CIFS implementation.
Standardised Authentication types
Copyright (C) Andrew Bartlett 2001
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _SAMBA_AUTH_H
#define _SAMBA_AUTH_H
/* 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 */
#define AUTH_INTERFACE_VERSION 3
/* AUTH_STR - string */
typedef struct auth_str
{
int len;
char *str;
} AUTH_STR;
struct auth_usersupplied_info
{
DATA_BLOB lm_resp;
DATA_BLOB nt_resp;
DATA_BLOB lm_interactive_password;
DATA_BLOB nt_interactive_password;
DATA_BLOB plaintext_password;
BOOL encrypted;
AUTH_STR client_domain; /* domain name string */
AUTH_STR domain; /* domain name after mapping */
AUTH_STR internal_username; /* username after mapping */
AUTH_STR smb_name; /* username before mapping */
AUTH_STR wksta_name; /* workstation name (netbios calling name) unicode string */
};
struct auth_serversupplied_info
{
TALLOC_CTX *mem_ctx;
BOOL guest;
struct dom_sid *user_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;
const char *full_name;
const char *logon_script;
const char *profile_path;
const char *home_directory;
const char *home_drive;
NTTIME last_logon;
NTTIME last_logoff;
NTTIME acct_expiry;
NTTIME last_password_change;
NTTIME allow_password_change;
NTTIME force_password_change;
uint16 logon_count;
uint16 bad_password_count;
uint32 acct_flags;
};
struct auth_session_info
{
TALLOC_CTX *mem_ctx;
int refcount;
/* NT group information taken from the info3 structure */
NT_USER_TOKEN *nt_user_token;
struct auth_serversupplied_info *server_info;
DATA_BLOB session_key;
/* needed to key the schannel credentials */
const char *workstation;
};
struct auth_context {
DATA_BLOB challenge;
/* Who set this up in the first place? */
const char *challenge_set_by;
BOOL challenge_may_be_modified;
struct auth_methods *challenge_set_method;
/* methods, in the order they should be called */
struct auth_methods *auth_method_list;
TALLOC_CTX *mem_ctx;
const uint8_t *(*get_ntlm_challenge)(struct auth_context *auth_context);
NTSTATUS (*check_ntlm_password)(struct auth_context *auth_context,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info);
NTSTATUS (*nt_status_squash)(NTSTATUS nt_status);
};
struct auth_methods
{
struct auth_methods *prev, *next;
const char *name; /* What name got this module */
NTSTATUS (*auth)(const struct auth_context *auth_context,
void *my_private_data,
TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **server_info);
DATA_BLOB (*get_chal)(const struct auth_context *auth_context,
void **my_private_data,
TALLOC_CTX *mem_ctx);
/* Used to keep tabs on things like the cli for SMB server authentication */
void *private_data;
/* Function to clean up the above arbitary structure */
void (*free_private_data)(void **private_data);
/* Function to send a keepalive message on the above structure */
void (*send_keepalive)(void **private_data);
};
typedef NTSTATUS (*auth_init_function)(struct auth_context *, const char *, struct auth_methods **);
struct auth_init_function_entry {
const char *name;
/* Function to create a member of the authmethods list */
auth_init_function init;
struct auth_init_function_entry *prev, *next;
};
struct auth_operations {
/* the name of the backend */
const char *name;
/* Function to create a member of the authmethods list */
NTSTATUS (*init)(struct auth_context *, const char *, struct auth_methods **);
};
/* 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;
int sizeof_auth_str;
};
#endif /* _SMBAUTH_H_ */
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