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
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 2 of the License, or
11 (at your option) any later version.
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.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "auth/auth.h"
25 #include "libcli/security/proto.h"
28 * Return an error based on username
30 * This function allows the testing of obsure errors, as well as the generation
31 * of NT_STATUS -> DOS error mapping tables.
33 * This module is of no value to end-users.
35 * The password is ignored.
37 * @return An NTSTATUS value based on the username
40 static NTSTATUS name_to_ntstatus_check_password(struct auth_method_context *ctx,
42 const struct auth_usersupplied_info *user_info,
43 struct auth_serversupplied_info **_server_info)
46 struct auth_serversupplied_info *server_info;
50 user = user_info->client.account_name;
52 if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) {
53 nt_status = nt_status_string_to_code(user);
55 error_num = strtoul(user, NULL, 16);
56 DEBUG(5,("name_to_ntstatus_check_password: Error for user %s was 0x%08X\n", user, error_num));
57 nt_status = NT_STATUS(error_num);
60 if (!NT_STATUS_IS_OK(nt_status)) {
64 server_info = talloc(mem_ctx, struct auth_serversupplied_info);
65 NT_STATUS_HAVE_NO_MEMORY(server_info);
67 server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_ANONYMOUS);
68 NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
70 /* is this correct? */
71 server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_GUESTS);
72 NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
74 server_info->n_domain_groups = 0;
75 server_info->domain_groups = NULL;
77 /* annoying, but the Anonymous really does have a session key,
78 and it is all zeros! */
79 server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
80 NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
82 server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
83 NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
85 data_blob_clear(&server_info->user_session_key);
86 data_blob_clear(&server_info->lm_session_key);
88 server_info->account_name = talloc_asprintf(server_info, "NAME TO NTSTATUS %s ANONYMOUS LOGON", user);
89 NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
91 server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
92 NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
94 server_info->full_name = talloc_asprintf(server_info, "NAME TO NTSTATUS %s Anonymous Logon", user);
95 NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
97 server_info->logon_script = talloc_strdup(server_info, "");
98 NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
100 server_info->profile_path = talloc_strdup(server_info, "");
101 NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
103 server_info->home_directory = talloc_strdup(server_info, "");
104 NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
106 server_info->home_drive = talloc_strdup(server_info, "");
107 NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
109 server_info->last_logon = 0;
110 server_info->last_logoff = 0;
111 server_info->acct_expiry = 0;
112 server_info->last_password_change = 0;
113 server_info->allow_password_change = 0;
114 server_info->force_password_change = 0;
116 server_info->logon_count = 0;
117 server_info->bad_password_count = 0;
119 server_info->acct_flags = ACB_NORMAL;
121 server_info->authenticated = False;
123 *_server_info = server_info;
128 static struct auth_operations name_to_ntstatus_auth_ops = {
129 .name = "name_to_ntstatus",
130 .get_challenge = auth_get_challenge_not_implemented,
131 .check_password = name_to_ntstatus_check_password
135 * Return a 'fixed' challenge instead of a variable one.
137 * The idea of this function is to make packet snifs consistant
138 * with a fixed challenge, so as to aid debugging.
140 * This module is of no value to end-users.
142 * This module does not actually authenticate the user, but
143 * just pretenteds to need a specified challenge.
144 * This module removes *all* security from the challenge-response system
146 * @return NT_STATUS_UNSUCCESSFUL
148 static NTSTATUS fixed_challenge_get_challenge(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx, DATA_BLOB *_blob)
151 const char *challenge = "I am a teapot";
153 blob = data_blob_talloc(mem_ctx, challenge, 8);
154 NT_STATUS_HAVE_NO_MEMORY(blob.data);
160 static NTSTATUS fixed_challenge_check_password(struct auth_method_context *ctx,
162 const struct auth_usersupplied_info *user_info,
163 struct auth_serversupplied_info **_server_info)
165 /* don't handle any users */
166 return NT_STATUS_NOT_IMPLEMENTED;
169 static struct auth_operations fixed_challenge_auth_ops = {
170 .name = "fixed_challenge",
171 .get_challenge = fixed_challenge_get_challenge,
172 .check_password = fixed_challenge_check_password
175 NTSTATUS auth_developer_init(void)
179 ret = auth_register(&name_to_ntstatus_auth_ops);
180 if (!NT_STATUS_IS_OK(ret)) {
181 DEBUG(0,("Failed to register 'name_to_ntstatus' auth backend!\n"));
185 ret = auth_register(&fixed_challenge_auth_ops);
186 if (!NT_STATUS_IS_OK(ret)) {
187 DEBUG(0,("Failed to register 'fixed_challenge' auth backend!\n"));