Line data Source code
1 : /*
2 : Unix SMB/CIFS implementation.
3 : Generic authentication types
4 : Copyright (C) Andrew Bartlett 2001-2002
5 : Copyright (C) Jelmer Vernooij 2002
6 : Copyright (C) Stefan Metzmacher 2005
7 :
8 : This program is free software; you can redistribute it and/or modify
9 : it under the terms of the GNU General Public License as published by
10 : the Free Software Foundation; either version 3 of the License, or
11 : (at your option) any later version.
12 :
13 : This program is distributed in the hope that it will be useful,
14 : but WITHOUT ANY WARRANTY; without even the implied warranty of
15 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 : GNU General Public License for more details.
17 :
18 : You should have received a copy of the GNU General Public License
19 : along with this program. If not, see <http://www.gnu.org/licenses/>.
20 : */
21 :
22 : #include "includes.h"
23 : #include <tevent.h>
24 : #include "auth/auth.h"
25 : #include "auth/ntlm/auth_proto.h"
26 : #include "libcli/security/security.h"
27 : #include "lib/util/tevent_ntstatus.h"
28 :
29 : #undef DBGC_CLASS
30 : #define DBGC_CLASS DBGC_AUTH
31 :
32 : #undef strncasecmp
33 :
34 : _PUBLIC_ NTSTATUS auth4_developer_init(TALLOC_CTX *);
35 :
36 0 : static NTSTATUS name_to_ntstatus_want_check(struct auth_method_context *ctx,
37 : TALLOC_CTX *mem_ctx,
38 : const struct auth_usersupplied_info *user_info)
39 : {
40 0 : return NT_STATUS_OK;
41 : }
42 :
43 : /**
44 : * Return an error based on username
45 : *
46 : * This function allows the testing of obsure errors, as well as the generation
47 : * of NT_STATUS -> DOS error mapping tables.
48 : *
49 : * This module is of no value to end-users.
50 : *
51 : * The password is ignored.
52 : *
53 : * @return An NTSTATUS value based on the username
54 : **/
55 :
56 0 : static NTSTATUS name_to_ntstatus_check_password(struct auth_method_context *ctx,
57 : TALLOC_CTX *mem_ctx,
58 : const struct auth_usersupplied_info *user_info,
59 : struct auth_user_info_dc **_user_info_dc,
60 : bool *authoritative)
61 : {
62 : NTSTATUS nt_status;
63 : struct auth_user_info_dc *user_info_dc;
64 : struct auth_user_info *info;
65 : uint32_t error_num;
66 : const char *user;
67 :
68 0 : user = user_info->client.account_name;
69 :
70 0 : if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) {
71 0 : nt_status = nt_status_string_to_code(user);
72 : } else {
73 0 : error_num = strtoul(user, NULL, 16);
74 0 : DEBUG(5,("name_to_ntstatus_check_password: Error for user %s was 0x%08X\n", user, error_num));
75 0 : nt_status = NT_STATUS(error_num);
76 : }
77 0 : NT_STATUS_NOT_OK_RETURN(nt_status);
78 :
79 0 : user_info_dc = talloc_zero(mem_ctx, struct auth_user_info_dc);
80 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc);
81 :
82 : /* This returns a pointer to a struct dom_sid, which is the
83 : * same as a 1 element list of struct dom_sid */
84 0 : user_info_dc->num_sids = 1;
85 0 : user_info_dc->sids = dom_sid_parse_talloc(user_info_dc, SID_NT_ANONYMOUS);
86 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
87 :
88 : /* annoying, but the Anonymous really does have a session key,
89 : and it is all zeros! */
90 0 : user_info_dc->user_session_key = data_blob_talloc(user_info_dc, NULL, 16);
91 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
92 :
93 0 : user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, NULL, 16);
94 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
95 :
96 0 : data_blob_clear(&user_info_dc->user_session_key);
97 0 : data_blob_clear(&user_info_dc->lm_session_key);
98 :
99 0 : user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
100 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);
101 :
102 0 : info->account_name = talloc_asprintf(user_info_dc, "NAME TO NTSTATUS %s ANONYMOUS LOGON", user);
103 0 : NT_STATUS_HAVE_NO_MEMORY(info->account_name);
104 :
105 0 : info->domain_name = talloc_strdup(user_info_dc, "NT AUTHORITY");
106 0 : NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
107 :
108 0 : info->full_name = talloc_asprintf(user_info_dc, "NAME TO NTSTATUS %s Anonymous Logon", user);
109 0 : NT_STATUS_HAVE_NO_MEMORY(info->full_name);
110 :
111 0 : info->logon_script = talloc_strdup(user_info_dc, "");
112 0 : NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
113 :
114 0 : info->profile_path = talloc_strdup(user_info_dc, "");
115 0 : NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
116 :
117 0 : info->home_directory = talloc_strdup(user_info_dc, "");
118 0 : NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
119 :
120 0 : info->home_drive = talloc_strdup(user_info_dc, "");
121 0 : NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
122 :
123 0 : info->last_logon = 0;
124 0 : info->last_logoff = 0;
125 0 : info->acct_expiry = 0;
126 0 : info->last_password_change = 0;
127 0 : info->allow_password_change = 0;
128 0 : info->force_password_change = 0;
129 :
130 0 : info->logon_count = 0;
131 0 : info->bad_password_count = 0;
132 :
133 0 : info->acct_flags = ACB_NORMAL;
134 :
135 0 : info->authenticated = true;
136 :
137 0 : *_user_info_dc = user_info_dc;
138 :
139 0 : return nt_status;
140 : }
141 :
142 : struct name_to_ntstatus_check_password_state {
143 : struct auth_user_info_dc *user_info_dc;
144 : bool authoritative;
145 : };
146 :
147 0 : static struct tevent_req *name_to_ntstatus_check_password_send(
148 : TALLOC_CTX *mem_ctx,
149 : struct tevent_context *ev,
150 : struct auth_method_context *ctx,
151 : const struct auth_usersupplied_info *user_info)
152 : {
153 0 : struct tevent_req *req = NULL;
154 0 : struct name_to_ntstatus_check_password_state *state = NULL;
155 : NTSTATUS status;
156 :
157 0 : req = tevent_req_create(
158 : mem_ctx,
159 : &state,
160 : struct name_to_ntstatus_check_password_state);
161 0 : if (req == NULL) {
162 0 : return NULL;
163 : }
164 :
165 0 : status = name_to_ntstatus_check_password(
166 : ctx,
167 : state,
168 : user_info,
169 0 : &state->user_info_dc,
170 0 : &state->authoritative);
171 0 : if (tevent_req_nterror(req, status)) {
172 0 : return tevent_req_post(req, ev);
173 : }
174 0 : tevent_req_done(req);
175 0 : return tevent_req_post(req, ev);
176 : }
177 :
178 0 : static NTSTATUS name_to_ntstatus_check_password_recv(
179 : struct tevent_req *req,
180 : TALLOC_CTX *mem_ctx,
181 : struct auth_user_info_dc **interim_info,
182 : bool *authoritative)
183 : {
184 0 : struct name_to_ntstatus_check_password_state *state = tevent_req_data(
185 : req, struct name_to_ntstatus_check_password_state);
186 : NTSTATUS status;
187 :
188 0 : if (tevent_req_is_nterror(req, &status)) {
189 0 : tevent_req_received(req);
190 0 : return status;
191 : }
192 0 : *interim_info = talloc_move(mem_ctx, &state->user_info_dc);
193 0 : *authoritative = state->authoritative;
194 0 : tevent_req_received(req);
195 0 : return NT_STATUS_OK;
196 : }
197 :
198 : static const struct auth_operations name_to_ntstatus_auth_ops = {
199 : .name = "name_to_ntstatus",
200 : .want_check = name_to_ntstatus_want_check,
201 : .check_password_send = name_to_ntstatus_check_password_send,
202 : .check_password_recv = name_to_ntstatus_check_password_recv,
203 : };
204 :
205 3773 : _PUBLIC_ NTSTATUS auth4_developer_init(TALLOC_CTX *ctx)
206 : {
207 : NTSTATUS ret;
208 :
209 3773 : ret = auth_register(ctx, &name_to_ntstatus_auth_ops);
210 3773 : if (!NT_STATUS_IS_OK(ret)) {
211 0 : DEBUG(0,("Failed to register 'name_to_ntstatus' auth backend!\n"));
212 0 : return ret;
213 : }
214 :
215 3773 : return ret;
216 : }
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