-/*
+/*
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/samr.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 */
-};
-
-/* NTLMSSP negotiation flags */
-#define NTLMSSP_NEGOTIATE_UNICODE 0x00000001
-#define NTLMSSP_NEGOTIATE_OEM 0x00000002
-#define NTLMSSP_REQUEST_TARGET 0x00000004
-#define NTLMSSP_NEGOTIATE_SIGN 0x00000010 /* Message integrity */
-#define NTLMSSP_NEGOTIATE_SEAL 0x00000020 /* Message confidentiality */
-#define NTLMSSP_NEGOTIATE_DATAGRAM_STYLE 0x00000040
-#define NTLMSSP_NEGOTIATE_LM_KEY 0x00000080
-#define NTLMSSP_NEGOTIATE_NETWARE 0x00000100
-#define NTLMSSP_NEGOTIATE_NTLM 0x00000200
-#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x00001000
-#define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED 0x00002000
-#define NTLMSSP_NEGOTIATE_THIS_IS_LOCAL_CALL 0x00004000
-#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x00008000
-#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000
-#define NTLMSSP_TARGET_TYPE_SERVER 0x20000
-#define NTLMSSP_CHAL_INIT_RESPONSE 0x00010000
-
-#define NTLMSSP_CHAL_ACCEPT_RESPONSE 0x00020000
-#define NTLMSSP_CHAL_NON_NT_SESSION_KEY 0x00040000
-#define NTLMSSP_NEGOTIATE_NTLM2 0x00080000
-#define NTLMSSP_CHAL_TARGET_INFO 0x00800000
-#define NTLMSSP_UNKNOWN_02000000 0x02000000
-#define NTLMSSP_NEGOTIATE_128 0x20000000 /* 128-bit encryption */
-#define NTLMSSP_NEGOTIATE_KEY_EXCH 0x40000000
-#define NTLMSSP_NEGOTIATE_56 0x80000000
-
-#define NTLMSSP_SIGN_VERSION 1
-
-#define NTLMSSP_SIG_SIZE 16
+#include "../librpc/gen_ndr/ntlmssp.h"
+#include "../libcli/auth/ntlmssp.h"
-struct gensec_ntlmssp_state
-{
+struct gensec_ntlmssp_context {
struct gensec_security *gensec_security;
-
- enum ntlmssp_role role;
- enum samr_Role server_role;
- uint32_t expected_state;
-
- bool unicode;
- bool use_ntlmv2;
- 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 functional at this point, and it's not
- very secure anyway */
-
- bool server_multiple_authentications; /* Set to 'True' to allow squid 2.5
- style 'challenge caching' */
-
- char *user;
- const char *domain;
- const char *workstation;
- char *server_domain;
-
- 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 */
-
- /* internal variables used by KEY_EXCH (client-supplied user session key */
- DATA_BLOB encrypted_session_key;
-
- /**
- * 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
- *
- */
- const uint8_t *(*get_challenge)(const struct gensec_ntlmssp_state *);
-
- /**
- * 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 gensec_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 gensec_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 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 gensec_ntlmssp_state *,
- TALLOC_CTX *mem_ctx,
- DATA_BLOB *nt_session_key, DATA_BLOB *lm_session_key);
-
- const char *server_name;
-
- bool doing_ntlm2;
-
- union {
- /* NTLM */
- struct {
- uint32_t seq_num;
- struct arcfour_state *arcfour_state;
- } ntlm;
-
- /* NTLM2 */
- struct {
- uint32_t send_seq_num;
- uint32_t recv_seq_num;
- DATA_BLOB send_sign_key;
- DATA_BLOB recv_sign_key;
- struct arcfour_state *send_seal_arcfour_state;
- struct arcfour_state *recv_seal_arcfour_state;
-
- /* internal variables used by NTLM2 */
- uint8_t session_nonce[16];
- } ntlm2;
- } crypt;
-
- struct auth_context *auth_context;
- struct auth_serversupplied_info *server_info;
+ struct ntlmssp_state *ntlmssp_state;
+ struct auth_user_info_dc *user_info_dc;
};
struct loadparm_context;
struct auth_session_info;
+NTSTATUS gensec_ntlmssp_init(void);
+
#include "auth/ntlmssp/proto.h"