summaryrefslogtreecommitdiffstats
path: root/source3/include/auth.h
blob: 8f52512e6a05dd37ba154962b91fdc289833d231 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
#ifndef _SMBAUTH_H_
#define _SMBAUTH_H_
/* 
   Unix SMB/CIFS implementation.
   Standardised Authentication types
   Copyright (C) Andrew Bartlett 2001
   
   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.
*/

/* AUTH_STR - string */
typedef struct normal_string
{
	int len;
	char *str;
} AUTH_STR;

typedef struct auth_usersupplied_info
{
	
 	DATA_BLOB lm_resp;
	DATA_BLOB nt_resp;
 	DATA_BLOB lm_interactive_pwd;
	DATA_BLOB nt_interactive_pwd;
 	DATA_BLOB plaintext_password;
	
	BOOL encrypted;
	
	AUTH_STR           client_domain;          /* domain name string */
	AUTH_STR           domain;               /* domain name after mapping */
	AUTH_STR           internal_username;    /* username after mapping */
	AUTH_STR           smb_name;        /* username before mapping */
	AUTH_STR           wksta_name;           /* workstation name (netbios calling name) unicode string */
	
} auth_usersupplied_info;

#define SAM_FILL_NAME  0x01
#define SAM_FILL_INFO3 0x02
#define SAM_FILL_SAM   0x04
#define SAM_FILL_UNIX  0x08
#define SAM_FILL_ALL (SAM_FILL_NAME | SAM_FILL_INFO3 | SAM_FILL_SAM | SAM_FILL_UNIX)

typedef struct auth_serversupplied_info 
{
	BOOL guest;

	uid_t uid;
	gid_t gid;
	
	/* This groups info is needed for when we become_user() for this uid */
	int n_groups;
	gid_t *groups;
	
	/* NT group information taken from the info3 structure */
	
	NT_USER_TOKEN *ptok;
	
	DATA_BLOB nt_session_key;
	DATA_BLOB lm_session_key;
	
	uint32 sam_fill_level;  /* How far is this structure filled? */
	
	SAM_ACCOUNT *sam_account;
	
	void *pam_handle;

	char *unix_name;
	
} auth_serversupplied_info;

struct auth_context {
	DATA_BLOB challenge; 

	/* Who set this up in the first place? */ 
	const char *challenge_set_by; 

	BOOL challenge_may_be_modified;

	struct auth_methods *challenge_set_method; 
	/* What order are the various methods in?   Try to stop it changing under us */ 
	struct auth_methods *auth_method_list;	

	TALLOC_CTX *mem_ctx;
	const uint8 *(*get_ntlm_challenge)(struct auth_context *auth_context);
	NTSTATUS (*check_ntlm_password)(const struct auth_context *auth_context,
					const struct auth_usersupplied_info *user_info, 
					struct auth_serversupplied_info **server_info);
	NTSTATUS (*nt_status_squash)(NTSTATUS nt_status);
	void (*free)(struct auth_context **auth_context);
};

typedef struct auth_methods
{
	struct auth_methods *prev, *next;
	const char *name; /* What name got this module */

	NTSTATUS (*auth)(const struct auth_context *auth_context,
			 void *my_private_data, 
			 TALLOC_CTX *mem_ctx,
			 const struct auth_usersupplied_info *user_info, 
			 auth_serversupplied_info **server_info);

	DATA_BLOB (*get_chal)(const struct auth_context *auth_context,
			      void **my_private_data, 
			      TALLOC_CTX *mem_ctx);
	
	/* Used to keep tabs on things like the cli for SMB server authentication */
	void *private_data;
	
	/* Function to clean up the above arbitary structure */
	void (*free_private_data)(void **private_data);

	/* Function to send a keepalive message on the above structure */
	void (*send_keepalive)(void **private_data);

} auth_methods;

typedef NTSTATUS (*auth_init_function)(struct auth_context *, const char *, struct auth_methods **);

struct auth_init_function_entry {
	const char *name;
	/* Function to create a member of the authmethods list */

	auth_init_function init;

	struct auth_init_function_entry *prev, *next;
};

typedef struct auth_ntlmssp_state
{
	TALLOC_CTX *mem_ctx;
	struct auth_context *auth_context;
	struct auth_serversupplied_info *server_info;
	struct ntlmssp_state *ntlmssp_state;
} AUTH_NTLMSSP_STATE;

#define AUTH_INTERFACE_VERSION 1

#endif /* _SMBAUTH_H_ */