summaryrefslogtreecommitdiffstats
path: root/source4/auth/ntlm/auth_developer.c
blob: 6e92252d5c5b666036f400b56518401ece764ba4 (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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
/* 
   Unix SMB/CIFS implementation.
   Generic authentication types
   Copyright (C) Andrew Bartlett         2001-2002
   Copyright (C) Jelmer Vernooij              2002
   Copyright (C) Stefan Metzmacher            2005
   
   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 "includes.h"
#include <tevent.h>
#include "auth/auth.h"
#include "auth/ntlm/auth_proto.h"
#include "libcli/security/security.h"
#include "lib/util/tevent_ntstatus.h"

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH

#undef strncasecmp

_PUBLIC_ NTSTATUS auth4_developer_init(TALLOC_CTX *);

static NTSTATUS name_to_ntstatus_want_check(struct auth_method_context *ctx,
			      		    TALLOC_CTX *mem_ctx,
					    const struct auth_usersupplied_info *user_info)
{
	return NT_STATUS_OK;
}

/** 
 * Return an error based on username
 *
 * This function allows the testing of obsure errors, as well as the generation
 * of NT_STATUS -> DOS error mapping tables.
 *
 * This module is of no value to end-users.
 *
 * The password is ignored.
 *
 * @return An NTSTATUS value based on the username
 **/

static NTSTATUS name_to_ntstatus_check_password(struct auth_method_context *ctx,
			      		        TALLOC_CTX *mem_ctx,
					        const struct auth_usersupplied_info *user_info, 
					        struct auth_user_info_dc **_user_info_dc,
						bool *authoritative)
{
	NTSTATUS nt_status;
	struct auth_user_info_dc *user_info_dc;
	struct auth_user_info *info;
	uint32_t error_num;
	const char *user;

	user = user_info->client.account_name;

	if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) {
		nt_status = nt_status_string_to_code(user);
	} else {
		error_num = strtoul(user, NULL, 16);
		DEBUG(5,("name_to_ntstatus_check_password: Error for user %s was 0x%08X\n", user, error_num));
		nt_status = NT_STATUS(error_num);
	}
	NT_STATUS_NOT_OK_RETURN(nt_status);

	user_info_dc = talloc_zero(mem_ctx, struct auth_user_info_dc);
	NT_STATUS_HAVE_NO_MEMORY(user_info_dc);

	/* This returns a pointer to a struct dom_sid, which is the
	 * same as a 1 element list of struct dom_sid */
	user_info_dc->num_sids = 1;
	user_info_dc->sids = dom_sid_parse_talloc(user_info_dc, SID_NT_ANONYMOUS);
	NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);

	/* annoying, but the Anonymous really does have a session key, 
	   and it is all zeros! */
	user_info_dc->user_session_key = data_blob_talloc(user_info_dc, NULL, 16);
	NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);

	user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, NULL, 16);
	NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);

	data_blob_clear(&user_info_dc->user_session_key);
	data_blob_clear(&user_info_dc->lm_session_key);

	user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
	NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);

	info->account_name = talloc_asprintf(user_info_dc, "NAME TO NTSTATUS %s ANONYMOUS LOGON", user);
	NT_STATUS_HAVE_NO_MEMORY(info->account_name);

	info->domain_name = talloc_strdup(user_info_dc, "NT AUTHORITY");
	NT_STATUS_HAVE_NO_MEMORY(info->domain_name);

	info->full_name = talloc_asprintf(user_info_dc, "NAME TO NTSTATUS %s Anonymous Logon", user);
	NT_STATUS_HAVE_NO_MEMORY(info->full_name);

	info->logon_script = talloc_strdup(user_info_dc, "");
	NT_STATUS_HAVE_NO_MEMORY(info->logon_script);

	info->profile_path = talloc_strdup(user_info_dc, "");
	NT_STATUS_HAVE_NO_MEMORY(info->profile_path);

	info->home_directory = talloc_strdup(user_info_dc, "");
	NT_STATUS_HAVE_NO_MEMORY(info->home_directory);

	info->home_drive = talloc_strdup(user_info_dc, "");
	NT_STATUS_HAVE_NO_MEMORY(info->home_drive);

	info->last_logon = 0;
	info->last_logoff = 0;
	info->acct_expiry = 0;
	info->last_password_change = 0;
	info->allow_password_change = 0;
	info->force_password_change = 0;

	info->logon_count = 0;
	info->bad_password_count = 0;

	info->acct_flags = ACB_NORMAL;

	info->authenticated = true;

	*_user_info_dc = user_info_dc;

	return nt_status;
}

struct name_to_ntstatus_check_password_state {
	struct auth_user_info_dc *user_info_dc;
	bool authoritative;
};

static struct tevent_req *name_to_ntstatus_check_password_send(
	TALLOC_CTX *mem_ctx,
	struct tevent_context *ev,
	struct auth_method_context *ctx,
	const struct auth_usersupplied_info *user_info)
{
	struct tevent_req *req = NULL;
	struct name_to_ntstatus_check_password_state *state = NULL;
	NTSTATUS status;

	req = tevent_req_create(
		mem_ctx,
		&state,
		struct name_to_ntstatus_check_password_state);
	if (req == NULL) {
		return NULL;
	}

	status = name_to_ntstatus_check_password(
		ctx,
		state,
		user_info,
		&state->user_info_dc,
		&state->authoritative);
	if (tevent_req_nterror(req, status)) {
		return tevent_req_post(req, ev);
	}
	tevent_req_done(req);
	return tevent_req_post(req, ev);
}

static NTSTATUS name_to_ntstatus_check_password_recv(
	struct tevent_req *req,
	TALLOC_CTX *mem_ctx,
	struct auth_user_info_dc **interim_info,
	bool *authoritative)
{
	struct name_to_ntstatus_check_password_state *state = tevent_req_data(
		req, struct name_to_ntstatus_check_password_state);
	NTSTATUS status;

	if (tevent_req_is_nterror(req, &status)) {
		tevent_req_received(req);
		return status;
	}
	*interim_info = talloc_move(mem_ctx, &state->user_info_dc);
	*authoritative = state->authoritative;
	tevent_req_received(req);
	return NT_STATUS_OK;
}

static const struct auth_operations name_to_ntstatus_auth_ops = {
	.name		= "name_to_ntstatus",
	.want_check	= name_to_ntstatus_want_check,
	.check_password_send	= name_to_ntstatus_check_password_send,
	.check_password_recv	= name_to_ntstatus_check_password_recv,
};

_PUBLIC_ NTSTATUS auth4_developer_init(TALLOC_CTX *ctx)
{
	NTSTATUS ret;

	ret = auth_register(ctx, &name_to_ntstatus_auth_ops);
	if (!NT_STATUS_IS_OK(ret)) {
		DEBUG(0,("Failed to register 'name_to_ntstatus' auth backend!\n"));
		return ret;
	}

	return ret;
}