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/*
Unix SMB/CIFS implementation.
SMB parameters and setup
Copyright (C) Andrew Tridgell 1992-1997
Copyright (C) Luke Kenneth Casson Leighton 1996-1997
Copyright (C) Paul Ashton 1997
Copyright (C) Andrew Bartlett 2010
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/>.
*/
#include "../librpc/gen_ndr/ntlmssp.h"
struct auth_context;
struct auth_serversupplied_info;
struct tsocket_address;
struct auth_user_info_dc;
struct gensec_security;
struct ntlmssp_state;
/* NTLMSSP mode */
enum ntlmssp_role
{
NTLMSSP_SERVER,
NTLMSSP_CLIENT
};
/* NTLMSSP message types */
enum ntlmssp_message_type
{
NTLMSSP_INITIAL = 0 /* samba internal state */,
NTLMSSP_NEGOTIATE = 1,
NTLMSSP_CHALLENGE = 2,
NTLMSSP_AUTH = 3,
NTLMSSP_UNKNOWN = 4,
NTLMSSP_DONE = 5 /* samba final state */
};
#define NTLMSSP_FEATURE_SESSION_KEY 0x00000001
#define NTLMSSP_FEATURE_SIGN 0x00000002
#define NTLMSSP_FEATURE_SEAL 0x00000004
#define NTLMSSP_FEATURE_CCACHE 0x00000008
union ntlmssp_crypt_state;
struct ntlmssp_state
{
enum ntlmssp_role role;
uint32_t expected_state;
bool unicode;
bool use_ntlmv2;
bool use_ccache;
bool use_nt_response; /* Set to 'False' to debug what happens when the NT response is omited */
bool allow_lm_key; /* The LM_KEY code is not very secure... */
const char *user;
const char *domain;
uint8_t *nt_hash;
uint8_t *lm_hash;
struct {
const char *netbios_name;
const char *netbios_domain;
} client;
struct {
bool is_standalone;
const char *netbios_name;
const char *netbios_domain;
const char *dns_name;
const char *dns_domain;
} server;
DATA_BLOB internal_chal; /* Random challenge as supplied to the client for NTLM authentication */
DATA_BLOB chal; /* Random challenge as input into the actual NTLM (or NTLM2) authentication */
DATA_BLOB lm_resp;
DATA_BLOB nt_resp;
DATA_BLOB session_key;
uint32_t neg_flags; /* the current state of negotiation with the NTLMSSP partner */
union ntlmssp_crypt_state *crypt;
};
/* The following definitions come from libcli/auth/ntlmssp_sign.c */
NTSTATUS ntlmssp_sign_packet(struct ntlmssp_state *ntlmssp_state,
TALLOC_CTX *sig_mem_ctx,
const uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
DATA_BLOB *sig);
NTSTATUS ntlmssp_check_packet(struct ntlmssp_state *ntlmssp_state,
const uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
const DATA_BLOB *sig) ;
NTSTATUS ntlmssp_seal_packet(struct ntlmssp_state *ntlmssp_state,
TALLOC_CTX *sig_mem_ctx,
uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
DATA_BLOB *sig);
NTSTATUS ntlmssp_unseal_packet(struct ntlmssp_state *ntlmssp_state,
uint8_t *data, size_t length,
const uint8_t *whole_pdu, size_t pdu_length,
const DATA_BLOB *sig);
NTSTATUS ntlmssp_wrap(struct ntlmssp_state *ntlmssp_state,
TALLOC_CTX *out_mem_ctx,
const DATA_BLOB *in,
DATA_BLOB *out);
NTSTATUS ntlmssp_unwrap(struct ntlmssp_state *ntlmssp_stae,
TALLOC_CTX *out_mem_ctx,
const DATA_BLOB *in,
DATA_BLOB *out);
NTSTATUS ntlmssp_sign_init(struct ntlmssp_state *ntlmssp_state);
bool ntlmssp_blob_matches_magic(const DATA_BLOB *blob);
/* The following definitions come from auth/ntlmssp/gensec_ntlmssp.c */
NTSTATUS gensec_ntlmssp_init(void);
uint32_t gensec_ntlmssp_neg_flags(struct gensec_security *gensec_security);
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