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/*
Unix SMB/CIFS implementation.
Generic Authentication Interface
Copyright (C) Andrew Tridgell 2003
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
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.
*/
struct gensec_security;
struct gensec_user {
const char *domain;
const char *realm;
const char *name;
const char *password;
char schan_session_key[16];
};
struct gensec_target {
const char *principal;
const char *hostname;
const struct sock_addr *addr;
const char *service;
};
#define GENSEC_WANT_SESSION_KEY 0x1
#define GENSEC_WANT_SIGN 0x2
#define GENSEC_WANT_SEAL 0x4
/* GENSEC mode */
enum gensec_role
{
GENSEC_SERVER,
GENSEC_CLIENT
};
struct auth_session_info;
struct gensec_security_ops {
const char *name;
const char *sasl_name;
uint8 auth_type; /* 0 if not offered on DCE-RPC */
const char *oid; /* NULL if not offered by SPENGO */
NTSTATUS (*client_start)(struct gensec_security *gensec_security);
NTSTATUS (*server_start)(struct gensec_security *gensec_security);
NTSTATUS (*update)(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
const DATA_BLOB in, DATA_BLOB *out);
NTSTATUS (*seal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
DATA_BLOB *sig);
NTSTATUS (*sign_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
const uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
DATA_BLOB *sig);
size_t (*sig_size)(struct gensec_security *gensec_security);
NTSTATUS (*check_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
const uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
const DATA_BLOB *sig);
NTSTATUS (*unseal_packet)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
DATA_BLOB *sig);
NTSTATUS (*session_key)(struct gensec_security *gensec_security, DATA_BLOB *session_key);
NTSTATUS (*session_info)(struct gensec_security *gensec_security,
struct auth_session_info **session_info);
void (*end)(struct gensec_security *gensec_security);
};
typedef NTSTATUS (*gensec_password_callback)(struct gensec_security *gensec_security, TALLOC_CTX *mem_ctx,
char **password);
#define GENSEC_INTERFACE_VERSION 0
struct gensec_security {
gensec_password_callback password_callback;
void *password_callback_private;
const struct gensec_security_ops *ops;
void *private_data;
struct gensec_user user;
struct gensec_user default_user;
struct gensec_target target;
enum gensec_role gensec_role;
BOOL subcontext;
uint32 want_features;
};
/* this structure is used by backends to determine the size of some critical types */
struct gensec_critical_sizes {
int interface_version;
int sizeof_gensec_security_ops;
int sizeof_gensec_security;
};
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