2 samba -- Unix SMB/CIFS implementation.
4 Client credentials structure
6 Copyright (C) Jelmer Vernooij 2004-2006
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #ifndef __CREDENTIALS_H__
23 #define __CREDENTIALS_H__
25 #include "../lib/util/data_blob.h"
26 #include "librpc/gen_ndr/misc.h"
28 struct ccache_container
;
29 struct tevent_context
;
31 /* In order of priority */
32 enum credentials_obtained
{
33 CRED_UNINITIALISED
= 0, /* We don't even have a guess yet */
34 CRED_CALLBACK
, /* Callback should be used to obtain value */
35 CRED_GUESS_ENV
, /* Current value should be used, which was guessed */
36 CRED_GUESS_FILE
, /* A guess from a file (or file pointed at in env variable) */
37 CRED_CALLBACK_RESULT
, /* Value was obtained from a callback */
38 CRED_SPECIFIED
/* Was explicitly specified on the command-line */
41 enum credentials_use_kerberos
{
42 CRED_AUTO_USE_KERBEROS
= 0, /* Default, we try kerberos if available */
43 CRED_DONT_USE_KERBEROS
, /* Sometimes trying kerberos just does 'bad things', so don't */
44 CRED_MUST_USE_KERBEROS
/* Sometimes administrators are parinoid, so always do kerberos */
47 #define CLI_CRED_NTLM2 0x01
48 #define CLI_CRED_NTLMv2_AUTH 0x02
49 #define CLI_CRED_LANMAN_AUTH 0x04
50 #define CLI_CRED_NTLM_AUTH 0x08
51 #define CLI_CRED_CLEAR_AUTH 0x10 /* TODO: Push cleartext auth with this flag */
53 struct cli_credentials
{
54 enum credentials_obtained workstation_obtained
;
55 enum credentials_obtained username_obtained
;
56 enum credentials_obtained password_obtained
;
57 enum credentials_obtained domain_obtained
;
58 enum credentials_obtained realm_obtained
;
59 enum credentials_obtained ccache_obtained
;
60 enum credentials_obtained client_gss_creds_obtained
;
61 enum credentials_obtained principal_obtained
;
62 enum credentials_obtained keytab_obtained
;
63 enum credentials_obtained server_gss_creds_obtained
;
65 /* Threshold values (essentially a MAX() over a number of the
66 * above) for the ccache and GSS credentials, to ensure we
67 * regenerate/pick correctly */
69 enum credentials_obtained ccache_threshold
;
70 enum credentials_obtained client_gss_creds_threshold
;
72 const char *workstation
;
75 const char *old_password
;
78 const char *principal
;
79 const char *salt_principal
;
83 /* Allows authentication from a keytab or similar */
84 struct samr_Password
*nt_hash
;
86 /* Allows NTLM pass-though authentication */
87 DATA_BLOB lm_response
;
88 DATA_BLOB nt_response
;
90 struct ccache_container
*ccache
;
91 struct gssapi_creds_container
*client_gss_creds
;
92 struct keytab_container
*keytab
;
93 struct gssapi_creds_container
*server_gss_creds
;
95 const char *(*workstation_cb
) (struct cli_credentials
*);
96 const char *(*password_cb
) (struct cli_credentials
*);
97 const char *(*username_cb
) (struct cli_credentials
*);
98 const char *(*domain_cb
) (struct cli_credentials
*);
99 const char *(*realm_cb
) (struct cli_credentials
*);
100 const char *(*principal_cb
) (struct cli_credentials
*);
102 /* Private handle for the callback routines to use */
105 struct netlogon_creds_CredentialState
*netlogon_creds
;
106 enum netr_SchannelType secure_channel_type
;
109 struct smb_krb5_context
*smb_krb5_context
;
111 /* We are flagged to get machine account details from the
112 * secrets.ldb when we are asked for a username or password */
113 bool machine_account_pending
;
114 struct loadparm_context
*machine_account_pending_lp_ctx
;
116 /* Is this a machine account? */
117 bool machine_account
;
119 /* Should we be trying to use kerberos? */
120 enum credentials_use_kerberos use_kerberos
;
122 /* gensec features which should be used for connections */
123 uint32_t gensec_features
;
125 /* Number of retries left before bailing out */
128 /* Whether any callback is currently running */
129 bool callback_running
;
133 struct loadparm_context
;
134 struct ccache_container
;
136 struct gssapi_creds_container
;
138 const char *cli_credentials_get_workstation(struct cli_credentials
*cred
);
139 bool cli_credentials_set_workstation(struct cli_credentials
*cred
,
141 enum credentials_obtained obtained
);
142 bool cli_credentials_is_anonymous(struct cli_credentials
*cred
);
143 struct cli_credentials
*cli_credentials_init(TALLOC_CTX
*mem_ctx
);
144 void cli_credentials_set_anonymous(struct cli_credentials
*cred
);
145 bool cli_credentials_wrong_password(struct cli_credentials
*cred
);
146 const char *cli_credentials_get_password(struct cli_credentials
*cred
);
147 void cli_credentials_get_ntlm_username_domain(struct cli_credentials
*cred
, TALLOC_CTX
*mem_ctx
,
148 const char **username
,
149 const char **domain
);
150 NTSTATUS
cli_credentials_get_ntlm_response(struct cli_credentials
*cred
, TALLOC_CTX
*mem_ctx
,
152 DATA_BLOB challenge
, DATA_BLOB target_info
,
153 DATA_BLOB
*_lm_response
, DATA_BLOB
*_nt_response
,
154 DATA_BLOB
*_lm_session_key
, DATA_BLOB
*_session_key
);
155 const char *cli_credentials_get_realm(struct cli_credentials
*cred
);
156 const char *cli_credentials_get_username(struct cli_credentials
*cred
);
157 int cli_credentials_get_krb5_context(struct cli_credentials
*cred
,
158 struct tevent_context
*event_ctx
,
159 struct loadparm_context
*lp_ctx
,
160 struct smb_krb5_context
**smb_krb5_context
);
161 int cli_credentials_get_ccache(struct cli_credentials
*cred
,
162 struct tevent_context
*event_ctx
,
163 struct loadparm_context
*lp_ctx
,
164 struct ccache_container
**ccc
);
165 int cli_credentials_get_keytab(struct cli_credentials
*cred
,
166 struct tevent_context
*event_ctx
,
167 struct loadparm_context
*lp_ctx
,
168 struct keytab_container
**_ktc
);
169 const char *cli_credentials_get_domain(struct cli_credentials
*cred
);
170 struct netlogon_creds_CredentialState
*cli_credentials_get_netlogon_creds(struct cli_credentials
*cred
);
171 void cli_credentials_set_machine_account_pending(struct cli_credentials
*cred
,
172 struct loadparm_context
*lp_ctx
);
173 void cli_credentials_set_conf(struct cli_credentials
*cred
,
174 struct loadparm_context
*lp_ctx
);
175 const char *cli_credentials_get_principal(struct cli_credentials
*cred
, TALLOC_CTX
*mem_ctx
);
176 int cli_credentials_get_server_gss_creds(struct cli_credentials
*cred
,
177 struct tevent_context
*event_ctx
,
178 struct loadparm_context
*lp_ctx
,
179 struct gssapi_creds_container
**_gcc
);
180 int cli_credentials_get_client_gss_creds(struct cli_credentials
*cred
,
181 struct tevent_context
*event_ctx
,
182 struct loadparm_context
*lp_ctx
,
183 struct gssapi_creds_container
**_gcc
);
184 void cli_credentials_set_kerberos_state(struct cli_credentials
*creds
,
185 enum credentials_use_kerberos use_kerberos
);
186 bool cli_credentials_set_domain(struct cli_credentials
*cred
,
188 enum credentials_obtained obtained
);
189 bool cli_credentials_set_domain_callback(struct cli_credentials
*cred
,
190 const char *(*domain_cb
) (struct cli_credentials
*));
191 bool cli_credentials_set_username(struct cli_credentials
*cred
,
192 const char *val
, enum credentials_obtained obtained
);
193 bool cli_credentials_set_username_callback(struct cli_credentials
*cred
,
194 const char *(*username_cb
) (struct cli_credentials
*));
195 bool cli_credentials_set_principal(struct cli_credentials
*cred
,
197 enum credentials_obtained obtained
);
198 bool cli_credentials_set_principal_callback(struct cli_credentials
*cred
,
199 const char *(*principal_cb
) (struct cli_credentials
*));
200 bool cli_credentials_set_password(struct cli_credentials
*cred
,
202 enum credentials_obtained obtained
);
203 struct cli_credentials
*cli_credentials_init_anon(TALLOC_CTX
*mem_ctx
);
204 void cli_credentials_parse_string(struct cli_credentials
*credentials
, const char *data
, enum credentials_obtained obtained
);
205 const struct samr_Password
*cli_credentials_get_nt_hash(struct cli_credentials
*cred
,
206 TALLOC_CTX
*mem_ctx
);
207 bool cli_credentials_set_realm(struct cli_credentials
*cred
,
209 enum credentials_obtained obtained
);
210 void cli_credentials_set_secure_channel_type(struct cli_credentials
*cred
,
211 enum netr_SchannelType secure_channel_type
);
212 void cli_credentials_set_netlogon_creds(struct cli_credentials
*cred
,
213 struct netlogon_creds_CredentialState
*netlogon_creds
);
214 NTSTATUS
cli_credentials_set_krb5_context(struct cli_credentials
*cred
,
215 struct smb_krb5_context
*smb_krb5_context
);
216 NTSTATUS
cli_credentials_set_stored_principal(struct cli_credentials
*cred
,
217 struct tevent_context
*event_ctx
,
218 struct loadparm_context
*lp_ctx
,
219 const char *serviceprincipal
);
220 NTSTATUS
cli_credentials_set_machine_account(struct cli_credentials
*cred
,
221 struct loadparm_context
*lp_ctx
);
222 bool cli_credentials_authentication_requested(struct cli_credentials
*cred
);
223 void cli_credentials_guess(struct cli_credentials
*cred
,
224 struct loadparm_context
*lp_ctx
);
225 bool cli_credentials_set_bind_dn(struct cli_credentials
*cred
,
226 const char *bind_dn
);
227 const char *cli_credentials_get_bind_dn(struct cli_credentials
*cred
);
228 bool cli_credentials_parse_file(struct cli_credentials
*cred
, const char *file
, enum credentials_obtained obtained
);
229 const char *cli_credentials_get_unparsed_name(struct cli_credentials
*credentials
, TALLOC_CTX
*mem_ctx
);
230 bool cli_credentials_set_password_callback(struct cli_credentials
*cred
,
231 const char *(*password_cb
) (struct cli_credentials
*));
232 enum netr_SchannelType
cli_credentials_get_secure_channel_type(struct cli_credentials
*cred
);
233 void cli_credentials_set_kvno(struct cli_credentials
*cred
,
235 bool cli_credentials_set_nt_hash(struct cli_credentials
*cred
,
236 const struct samr_Password
*nt_hash
,
237 enum credentials_obtained obtained
);
238 bool cli_credentials_set_ntlm_response(struct cli_credentials
*cred
,
239 const DATA_BLOB
*lm_response
,
240 const DATA_BLOB
*nt_response
,
241 enum credentials_obtained obtained
);
242 int cli_credentials_set_keytab_name(struct cli_credentials
*cred
,
243 struct tevent_context
*event_ctx
,
244 struct loadparm_context
*lp_ctx
,
245 const char *keytab_name
,
246 enum credentials_obtained obtained
);
247 int cli_credentials_update_keytab(struct cli_credentials
*cred
,
248 struct tevent_context
*event_ctx
,
249 struct loadparm_context
*lp_ctx
);
250 void cli_credentials_set_gensec_features(struct cli_credentials
*creds
, uint32_t gensec_features
);
251 uint32_t cli_credentials_get_gensec_features(struct cli_credentials
*creds
);
252 int cli_credentials_set_ccache(struct cli_credentials
*cred
,
253 struct tevent_context
*event_ctx
,
254 struct loadparm_context
*lp_ctx
,
256 enum credentials_obtained obtained
);
257 bool cli_credentials_parse_password_file(struct cli_credentials
*credentials
, const char *file
, enum credentials_obtained obtained
);
258 bool cli_credentials_parse_password_fd(struct cli_credentials
*credentials
,
259 int fd
, enum credentials_obtained obtained
);
260 void cli_credentials_invalidate_ccache(struct cli_credentials
*cred
,
261 enum credentials_obtained obtained
);
262 void cli_credentials_set_salt_principal(struct cli_credentials
*cred
, const char *principal
);
263 enum credentials_use_kerberos
cli_credentials_get_kerberos_state(struct cli_credentials
*creds
);
264 NTSTATUS
cli_credentials_set_secrets(struct cli_credentials
*cred
,
265 struct tevent_context
*event_ctx
,
266 struct loadparm_context
*lp_ctx
,
267 struct ldb_context
*ldb
,
270 int cli_credentials_get_kvno(struct cli_credentials
*cred
);
272 #endif /* __CREDENTIALS_H__ */