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 "librpc/gen_ndr/misc.h"
27 struct ccache_container;
29 /* In order of priority */
30 enum credentials_obtained {
31 CRED_UNINITIALISED = 0, /* We don't even have a guess yet */
32 CRED_CALLBACK, /* Callback should be used to obtain value */
33 CRED_GUESS_ENV, /* Current value should be used, which was guessed */
34 CRED_GUESS_FILE, /* A guess from a file (or file pointed at in env variable) */
35 CRED_CALLBACK_RESULT, /* Value was obtained from a callback */
36 CRED_SPECIFIED /* Was explicitly specified on the command-line */
39 enum credentials_use_kerberos {
40 CRED_AUTO_USE_KERBEROS = 0, /* Default, we try kerberos if available */
41 CRED_DONT_USE_KERBEROS, /* Sometimes trying kerberos just does 'bad things', so don't */
42 CRED_MUST_USE_KERBEROS /* Sometimes administrators are parinoid, so always do kerberos */
45 #define CLI_CRED_NTLM2 0x01
46 #define CLI_CRED_NTLMv2_AUTH 0x02
47 #define CLI_CRED_LANMAN_AUTH 0x04
48 #define CLI_CRED_NTLM_AUTH 0x08
49 #define CLI_CRED_CLEAR_AUTH 0x10 /* TODO: Push cleartext auth with this flag */
51 struct cli_credentials {
52 enum credentials_obtained workstation_obtained;
53 enum credentials_obtained username_obtained;
54 enum credentials_obtained password_obtained;
55 enum credentials_obtained domain_obtained;
56 enum credentials_obtained realm_obtained;
57 enum credentials_obtained ccache_obtained;
58 enum credentials_obtained client_gss_creds_obtained;
59 enum credentials_obtained principal_obtained;
60 enum credentials_obtained keytab_obtained;
61 enum credentials_obtained server_gss_creds_obtained;
63 /* Threshold values (essentially a MAX() over a number of the
64 * above) for the ccache and GSS credentials, to ensure we
65 * regenerate/pick correctly */
67 enum credentials_obtained ccache_threshold;
68 enum credentials_obtained client_gss_creds_threshold;
70 const char *workstation;
73 const char *old_password;
76 const char *principal;
77 const char *salt_principal;
81 struct samr_Password *nt_hash;
83 struct ccache_container *ccache;
84 struct gssapi_creds_container *client_gss_creds;
85 struct keytab_container *keytab;
86 struct gssapi_creds_container *server_gss_creds;
88 const char *(*workstation_cb) (struct cli_credentials *);
89 const char *(*password_cb) (struct cli_credentials *);
90 const char *(*username_cb) (struct cli_credentials *);
91 const char *(*domain_cb) (struct cli_credentials *);
92 const char *(*realm_cb) (struct cli_credentials *);
93 const char *(*principal_cb) (struct cli_credentials *);
95 /* Private handle for the callback routines to use */
98 struct creds_CredentialState *netlogon_creds;
99 enum netr_SchannelType secure_channel_type;
102 struct smb_krb5_context *smb_krb5_context;
104 /* We are flagged to get machine account details from the
105 * secrets.ldb when we are asked for a username or password */
107 BOOL machine_account_pending;
109 /* Is this a machine account? */
110 BOOL machine_account;
112 /* Should we be trying to use kerberos? */
113 enum credentials_use_kerberos use_kerberos;
115 /* gensec features which should be used for connections */
116 uint32_t gensec_features;
118 /* Number of retries left before bailing out */
121 /* Whether any callback is currently running */
122 BOOL callback_running;
124 /* an event context for anyone wanting to use the credentials */
125 struct event_context *ev;
129 #include "auth/credentials/credentials_proto.h"
131 #endif /* __CREDENTIALS_H__ */