+++ /dev/null
-/*
- 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"
-
-/* 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 */
-
- /**
- * Private data for the callback functions
- */
- void *callback_private;
-
- /**
- * Callback to get the 'challenge' used for NTLM authentication.
- *
- * @param ntlmssp_state This structure
- * @return 8 bytes of challenge data, determined by the server to be the challenge for NTLM authentication
- *
- */
- NTSTATUS (*get_challenge)(const struct ntlmssp_state *ntlmssp_state,
- uint8_t challenge[8]);
-
- /**
- * Callback to find if the challenge used by NTLM authentication may be modified
- *
- * The NTLM2 authentication scheme modifies the effective challenge, but this is not compatiable with the
- * current 'security=server' implementation..
- *
- * @param ntlmssp_state This structure
- * @return Can the challenge be set to arbitary values?
- *
- */
- bool (*may_set_challenge)(const struct ntlmssp_state *ntlmssp_state);
-
- /**
- * Callback to set the 'challenge' used for NTLM authentication.
- *
- * The callback may use the void *auth_context to store state information, but the same value is always available
- * from the DATA_BLOB chal on this structure.
- *
- * @param ntlmssp_state This structure
- * @param challenge 8 bytes of data, agreed by the client and server to be the effective challenge for NTLM2 authentication
- *
- */
- NTSTATUS (*set_challenge)(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *challenge);
-
- /**
- * Callback to check the user's password.
- *
- * The callback must reads the feilds of this structure for the information it needs on the user
- * @param ntlmssp_state This structure
- * @param mem_ctx Talloc context for LM and NT session key to be returned on
- * @param nt_session_key If an NT session key is returned by the authentication process, return it here
- * @param lm_session_key If an LM session key is returned by the authentication process, return it here
- *
- */
- NTSTATUS (*check_password)(struct ntlmssp_state *ntlmssp_state, TALLOC_CTX *mem_ctx,
- DATA_BLOB *nt_session_key, DATA_BLOB *lm_session_key);
-
- 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);
git.samba.org / amitay / samba.git / blobdiff