source: vendor/3.5.7/source4/auth/session.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 6.5 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 Authentication utility functions
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Andrew Bartlett 2001
6 Copyright (C) Jeremy Allison 2000-2001
7 Copyright (C) Rafal Szczesniak 2002
8 Copyright (C) Stefan Metzmacher 2005
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22*/
23
24#include "includes.h"
25#include "auth/auth.h"
26#include "libcli/security/security.h"
27#include "libcli/auth/libcli_auth.h"
28#include "dsdb/samdb/samdb.h"
29#include "auth/credentials/credentials.h"
30#include "param/param.h"
31#include "auth/session_proto.h"
32
33_PUBLIC_ struct auth_session_info *anonymous_session(TALLOC_CTX *mem_ctx,
34 struct tevent_context *event_ctx,
35 struct loadparm_context *lp_ctx)
36{
37 NTSTATUS nt_status;
38 struct auth_session_info *session_info = NULL;
39 nt_status = auth_anonymous_session_info(mem_ctx, event_ctx, lp_ctx, &session_info);
40 if (!NT_STATUS_IS_OK(nt_status)) {
41 return NULL;
42 }
43 return session_info;
44}
45
46_PUBLIC_ NTSTATUS auth_anonymous_session_info(TALLOC_CTX *parent_ctx,
47 struct tevent_context *event_ctx,
48 struct loadparm_context *lp_ctx,
49 struct auth_session_info **_session_info)
50{
51 NTSTATUS nt_status;
52 struct auth_serversupplied_info *server_info = NULL;
53 struct auth_session_info *session_info = NULL;
54 TALLOC_CTX *mem_ctx = talloc_new(parent_ctx);
55
56 nt_status = auth_anonymous_server_info(mem_ctx,
57 lp_netbios_name(lp_ctx),
58 &server_info);
59 if (!NT_STATUS_IS_OK(nt_status)) {
60 talloc_free(mem_ctx);
61 return nt_status;
62 }
63
64 /* references the server_info into the session_info */
65 nt_status = auth_generate_session_info(parent_ctx, event_ctx, lp_ctx, server_info, &session_info);
66 talloc_free(mem_ctx);
67
68 NT_STATUS_NOT_OK_RETURN(nt_status);
69
70 session_info->credentials = cli_credentials_init(session_info);
71 if (!session_info->credentials) {
72 return NT_STATUS_NO_MEMORY;
73 }
74
75 cli_credentials_set_conf(session_info->credentials, lp_ctx);
76 cli_credentials_set_anonymous(session_info->credentials);
77
78 *_session_info = session_info;
79
80 return NT_STATUS_OK;
81}
82
83_PUBLIC_ NTSTATUS auth_anonymous_server_info(TALLOC_CTX *mem_ctx,
84 const char *netbios_name,
85 struct auth_serversupplied_info **_server_info)
86{
87 struct auth_serversupplied_info *server_info;
88 server_info = talloc(mem_ctx, struct auth_serversupplied_info);
89 NT_STATUS_HAVE_NO_MEMORY(server_info);
90
91 server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_ANONYMOUS);
92 NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
93
94 /* is this correct? */
95 server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_GUESTS);
96 NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
97
98 server_info->n_domain_groups = 0;
99 server_info->domain_groups = NULL;
100
101 /* annoying, but the Anonymous really does have a session key... */
102 server_info->user_session_key = data_blob_talloc(server_info, NULL, 16);
103 NT_STATUS_HAVE_NO_MEMORY(server_info->user_session_key.data);
104
105 server_info->lm_session_key = data_blob_talloc(server_info, NULL, 16);
106 NT_STATUS_HAVE_NO_MEMORY(server_info->lm_session_key.data);
107
108 /* and it is all zeros! */
109 data_blob_clear(&server_info->user_session_key);
110 data_blob_clear(&server_info->lm_session_key);
111
112 server_info->account_name = talloc_strdup(server_info, "ANONYMOUS LOGON");
113 NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
114
115 server_info->domain_name = talloc_strdup(server_info, "NT AUTHORITY");
116 NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
117
118 server_info->full_name = talloc_strdup(server_info, "Anonymous Logon");
119 NT_STATUS_HAVE_NO_MEMORY(server_info->full_name);
120
121 server_info->logon_script = talloc_strdup(server_info, "");
122 NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
123
124 server_info->profile_path = talloc_strdup(server_info, "");
125 NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
126
127 server_info->home_directory = talloc_strdup(server_info, "");
128 NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
129
130 server_info->home_drive = talloc_strdup(server_info, "");
131 NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
132
133 server_info->logon_server = talloc_strdup(server_info, netbios_name);
134 NT_STATUS_HAVE_NO_MEMORY(server_info->logon_server);
135
136 server_info->last_logon = 0;
137 server_info->last_logoff = 0;
138 server_info->acct_expiry = 0;
139 server_info->last_password_change = 0;
140 server_info->allow_password_change = 0;
141 server_info->force_password_change = 0;
142
143 server_info->logon_count = 0;
144 server_info->bad_password_count = 0;
145
146 server_info->acct_flags = ACB_NORMAL;
147
148 server_info->authenticated = false;
149
150 *_server_info = server_info;
151
152 return NT_STATUS_OK;
153}
154
155_PUBLIC_ NTSTATUS auth_generate_session_info(TALLOC_CTX *mem_ctx,
156 struct tevent_context *event_ctx,
157 struct loadparm_context *lp_ctx,
158 struct auth_serversupplied_info *server_info,
159 struct auth_session_info **_session_info)
160{
161 struct auth_session_info *session_info;
162 NTSTATUS nt_status;
163
164 session_info = talloc(mem_ctx, struct auth_session_info);
165 NT_STATUS_HAVE_NO_MEMORY(session_info);
166
167 session_info->server_info = talloc_reference(session_info, server_info);
168
169 /* unless set otherwise, the session key is the user session
170 * key from the auth subsystem */
171 session_info->session_key = server_info->user_session_key;
172
173 nt_status = security_token_create(session_info,
174 event_ctx,
175 lp_ctx,
176 server_info->account_sid,
177 server_info->primary_group_sid,
178 server_info->n_domain_groups,
179 server_info->domain_groups,
180 server_info->authenticated,
181 &session_info->security_token);
182 NT_STATUS_NOT_OK_RETURN(nt_status);
183
184 session_info->credentials = NULL;
185
186 *_session_info = session_info;
187 return NT_STATUS_OK;
188}
189
190/**
191 * prints a struct auth_session_info security token to debug output.
192 */
193void auth_session_info_debug(int dbg_lev,
194 const struct auth_session_info *session_info)
195{
196 if (!session_info) {
197 DEBUG(dbg_lev, ("Session Info: (NULL)\n"));
198 return;
199 }
200
201 security_token_debug(dbg_lev, session_info->security_token);
202}
203
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