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 obscure 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 0 : NTSTATUS nt_status;
63 0 : struct auth_user_info_dc *user_info_dc;
64 0 : struct auth_user_info *info;
65 0 : uint32_t error_num;
66 0 : 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 = talloc(user_info_dc, struct auth_SidAttr);
86 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->sids);
87 :
88 0 : user_info_dc->sids->sid = global_sid_Anonymous;
89 0 : user_info_dc->sids->attrs = SE_GROUP_DEFAULT_FLAGS;
90 :
91 : /* annoying, but the Anonymous really does have a session key,
92 : and it is all zeros! */
93 0 : user_info_dc->user_session_key = data_blob_talloc(user_info_dc, NULL, 16);
94 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->user_session_key.data);
95 :
96 0 : user_info_dc->lm_session_key = data_blob_talloc(user_info_dc, NULL, 16);
97 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->lm_session_key.data);
98 :
99 0 : data_blob_clear(&user_info_dc->user_session_key);
100 0 : data_blob_clear(&user_info_dc->lm_session_key);
101 :
102 0 : user_info_dc->info = info = talloc_zero(user_info_dc, struct auth_user_info);
103 0 : NT_STATUS_HAVE_NO_MEMORY(user_info_dc->info);
104 :
105 0 : info->account_name = talloc_asprintf(user_info_dc, "NAME TO NTSTATUS %s ANONYMOUS LOGON", user);
106 0 : NT_STATUS_HAVE_NO_MEMORY(info->account_name);
107 :
108 0 : info->domain_name = talloc_strdup(user_info_dc, "NT AUTHORITY");
109 0 : NT_STATUS_HAVE_NO_MEMORY(info->domain_name);
110 :
111 0 : info->full_name = talloc_asprintf(user_info_dc, "NAME TO NTSTATUS %s Anonymous Logon", user);
112 0 : NT_STATUS_HAVE_NO_MEMORY(info->full_name);
113 :
114 0 : info->logon_script = talloc_strdup(user_info_dc, "");
115 0 : NT_STATUS_HAVE_NO_MEMORY(info->logon_script);
116 :
117 0 : info->profile_path = talloc_strdup(user_info_dc, "");
118 0 : NT_STATUS_HAVE_NO_MEMORY(info->profile_path);
119 :
120 0 : info->home_directory = talloc_strdup(user_info_dc, "");
121 0 : NT_STATUS_HAVE_NO_MEMORY(info->home_directory);
122 :
123 0 : info->home_drive = talloc_strdup(user_info_dc, "");
124 0 : NT_STATUS_HAVE_NO_MEMORY(info->home_drive);
125 :
126 0 : info->last_logon = 0;
127 0 : info->last_logoff = 0;
128 0 : info->acct_expiry = 0;
129 0 : info->last_password_change = 0;
130 0 : info->allow_password_change = 0;
131 0 : info->force_password_change = 0;
132 :
133 0 : info->logon_count = 0;
134 0 : info->bad_password_count = 0;
135 :
136 0 : info->acct_flags = ACB_NORMAL;
137 :
138 0 : info->user_flags = 0;
139 :
140 0 : *_user_info_dc = user_info_dc;
141 :
142 0 : return nt_status;
143 : }
144 :
145 : struct name_to_ntstatus_check_password_state {
146 : struct auth_user_info_dc *user_info_dc;
147 : bool authoritative;
148 : };
149 :
150 0 : static struct tevent_req *name_to_ntstatus_check_password_send(
151 : TALLOC_CTX *mem_ctx,
152 : struct tevent_context *ev,
153 : struct auth_method_context *ctx,
154 : const struct auth_usersupplied_info *user_info)
155 : {
156 0 : struct tevent_req *req = NULL;
157 0 : struct name_to_ntstatus_check_password_state *state = NULL;
158 0 : NTSTATUS status;
159 :
160 0 : req = tevent_req_create(
161 : mem_ctx,
162 : &state,
163 : struct name_to_ntstatus_check_password_state);
164 0 : if (req == NULL) {
165 0 : return NULL;
166 : }
167 :
168 0 : status = name_to_ntstatus_check_password(
169 : ctx,
170 : state,
171 : user_info,
172 0 : &state->user_info_dc,
173 0 : &state->authoritative);
174 0 : if (tevent_req_nterror(req, status)) {
175 0 : return tevent_req_post(req, ev);
176 : }
177 0 : tevent_req_done(req);
178 0 : return tevent_req_post(req, ev);
179 : }
180 :
181 0 : static NTSTATUS name_to_ntstatus_check_password_recv(
182 : struct tevent_req *req,
183 : TALLOC_CTX *mem_ctx,
184 : struct auth_user_info_dc **interim_info,
185 : const struct authn_audit_info **client_audit_info,
186 : const struct authn_audit_info **server_audit_info,
187 : bool *authoritative)
188 : {
189 0 : struct name_to_ntstatus_check_password_state *state = tevent_req_data(
190 : req, struct name_to_ntstatus_check_password_state);
191 0 : NTSTATUS status;
192 :
193 0 : *authoritative = state->authoritative;
194 0 : *client_audit_info = NULL;
195 0 : *server_audit_info = NULL;
196 :
197 0 : if (tevent_req_is_nterror(req, &status)) {
198 0 : tevent_req_received(req);
199 0 : return status;
200 : }
201 0 : *interim_info = talloc_move(mem_ctx, &state->user_info_dc);
202 0 : tevent_req_received(req);
203 0 : return NT_STATUS_OK;
204 : }
205 :
206 : static const struct auth_operations name_to_ntstatus_auth_ops = {
207 : .name = "name_to_ntstatus",
208 : .want_check = name_to_ntstatus_want_check,
209 : .check_password_send = name_to_ntstatus_check_password_send,
210 : .check_password_recv = name_to_ntstatus_check_password_recv,
211 : };
212 :
213 9622 : _PUBLIC_ NTSTATUS auth4_developer_init(TALLOC_CTX *ctx)
214 : {
215 837 : NTSTATUS ret;
216 :
217 9622 : ret = auth_register(ctx, &name_to_ntstatus_auth_ops);
218 9622 : if (!NT_STATUS_IS_OK(ret)) {
219 0 : DEBUG(0,("Failed to register 'name_to_ntstatus' auth backend!\n"));
220 0 : return ret;
221 : }
222 :
223 9622 : return ret;
224 : }
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