2 Unix SMB/CIFS implementation.
3 Password and authentication handling
4 Copyright (C) Andrew Bartlett 2001
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "../librpc/gen_ndr/samr.h"
24 #define DBGC_CLASS DBGC_AUTH
26 /** Check a plaintext username/password
28 * Cannot deal with an encrupted password in any manner whatsoever,
29 * unless the account has a null password.
32 static NTSTATUS check_unix_security(const struct auth_context *auth_context,
33 void *my_private_data,
35 const struct auth_usersupplied_info *user_info,
36 struct auth_serversupplied_info **server_info)
39 struct passwd *pass = NULL;
41 DEBUG(10, ("Check auth for: [%s]\n", user_info->mapped.account_name));
44 pass = Get_Pwnam_alloc(talloc_tos(), user_info->mapped.account_name);
46 /** @todo This call assumes a ASCII password, no charset transformation is
47 done. We may need to revisit this **/
48 nt_status = pass_check(pass,
49 pass ? pass->pw_name : user_info->mapped.account_name,
50 user_info->password.plaintext,
55 if (NT_STATUS_IS_OK(nt_status)) {
57 /* if a real user check pam account restrictions */
58 /* only really perfomed if "obey pam restriction" is true */
59 nt_status = smb_pam_accountcheck(pass->pw_name);
60 if ( !NT_STATUS_IS_OK(nt_status)) {
61 DEBUG(1, ("PAM account restriction prevents user login\n"));
63 make_server_info_pw(server_info, pass->pw_name, pass);
66 /* we need to do somthing more useful here */
67 nt_status = NT_STATUS_NO_SUCH_USER;
75 /* module initialisation */
76 static NTSTATUS auth_init_unix(struct auth_context *auth_context, const char* param, auth_methods **auth_method)
78 struct auth_methods *result;
80 result = TALLOC_ZERO_P(auth_context, struct auth_methods);
82 return NT_STATUS_NO_MEMORY;
84 result->name = "unix";
85 result->auth = check_unix_security;
87 *auth_method = result;
91 NTSTATUS auth_unix_init(void)
93 return smb_register_auth(AUTH_INTERFACE_VERSION, "unix", auth_init_unix);