r2: import HEAD into svn+ssh://svn.samba.org/home/svn/samba/trunk

metze

1 files changed, 169 insertions, 0 deletions

diff --git a/source/include/ntlmssp.h b/source/include/ntlmssp.h
new file mode 100644
index 00000000000..24ac7967615
--- /dev/null
+++ b/source/include/ntlmssp.h
@@ -0,0 +1,169 @@
+/* 
+   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
+   
+   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.
+*/
+
+/* NTLMSSP mode */
+enum NTLMSSP_ROLE
+{
+	NTLMSSP_SERVER,
+	NTLMSSP_CLIENT
+};
+
+/* NTLMSSP message types */
+enum NTLM_MESSAGE_TYPE
+{
+	NTLMSSP_INITIAL = 0 /* samba internal state */,
+	NTLMSSP_NEGOTIATE = 1,
+	NTLMSSP_CHALLENGE = 2,
+	NTLMSSP_AUTH      = 3,
+	NTLMSSP_UNKNOWN   = 4
+};
+
+/* 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_NEGOTIATE_128              0x20000000 /* 128-bit encryption */
+#define NTLMSSP_NEGOTIATE_KEY_EXCH         0x40000000
+#define NTLMSSP_NEGOTIATE_080000000        0x80000000
+
+#define NTLMSSP_NAME_TYPE_SERVER      0x01
+#define NTLMSSP_NAME_TYPE_DOMAIN      0x02
+#define NTLMSSP_NAME_TYPE_SERVER_DNS  0x03
+#define NTLMSSP_NAME_TYPE_DOMAIN_DNS  0x04
+
+typedef struct ntlmssp_state 
+{
+	TALLOC_CTX *mem_ctx;
+	unsigned int ref_count;
+	enum NTLMSSP_ROLE role;
+	enum server_types server_role;
+	uint32 expected_state;
+
+	BOOL unicode;
+	BOOL use_ntlmv2;
+	char *user;
+	char *domain;
+	char *workstation;
+	char *password;
+	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 neg_flags; /* the current state of negotiation with the NTLMSSP partner */
+	
+	void *auth_context;
+
+	/**
+	 * Callback to get the 'challenge' used for NTLM authentication.  
+	 *
+	 * @param ntlmssp_state This structure
+	 * @return 8 bytes of challnege data, determined by the server to be the challenge for NTLM authentication
+	 *
+	 */
+	const uint8 *(*get_challenge)(const struct ntlmssp_state *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 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 challange 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 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, DATA_BLOB *nt_session_key, DATA_BLOB *lm_session_key);
+
+	const char *(*get_global_myname)(void);
+	const char *(*get_domain)(void);
+
+	/* SMB Signing */
+	
+	uint32 ntlmssp_seq_num;
+
+	/* ntlmv2 */
+	unsigned char send_sign_const[16];
+	unsigned char send_seal_const[16];
+	unsigned char recv_sign_const[16];
+	unsigned char recv_seal_const[16];
+
+	unsigned char send_sign_hash[258];
+	unsigned char send_seal_hash[258];
+	unsigned char recv_sign_hash[258];
+	unsigned char recv_seal_hash[258];
+
+	/* ntlmv1 */
+	unsigned char ntlmssp_hash[258];
+
+	/* it turns out that we don't always get the
+	   response in at the time we want to process it.
+	   Store it here, until we need it */
+	DATA_BLOB stored_response; 
+	
+} NTLMSSP_STATE;
+