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 2 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, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #define DBGC_CLASS DBGC_AUTH
27 * update the encrypted smbpasswd file from the plaintext username and password
29 * this ugly hack needs to die, but not quite yet, I think people still use it...
31 static BOOL update_smbpassword_file(const char *user, const char *password)
33 SAM_ACCOUNT *sampass = NULL;
36 pdb_init_sam(&sampass);
39 ret = pdb_getsampwnam(sampass, user);
43 DEBUG(0,("pdb_getsampwnam returned NULL\n"));
44 pdb_free_sam(&sampass);
49 * Remove the account disabled flag - we are updating the
50 * users password from a login.
52 if (!pdb_set_acct_ctrl(sampass, pdb_get_acct_ctrl(sampass) & ~ACB_DISABLED)) {
53 pdb_free_sam(&sampass);
57 if (!pdb_set_plaintext_passwd (sampass, password)) {
58 pdb_free_sam(&sampass);
62 /* Now write it into the file. */
65 ret = pdb_update_sam_account (sampass);
70 DEBUG(3,("pdb_update_sam_account returned %d\n",ret));
73 pdb_free_sam(&sampass);
78 /** Check a plaintext username/password
80 * Cannot deal with an encrupted password in any manner whatsoever,
81 * unless the account has a null password.
84 static NTSTATUS check_unix_security(const struct auth_context *auth_context,
85 void *my_private_data,
87 const auth_usersupplied_info *user_info,
88 auth_serversupplied_info **server_info)
91 struct passwd *pass = NULL;
94 pass = Get_Pwnam(user_info->internal_username.str);
97 /** @todo This call assumes a ASCII password, no charset transformation is
98 done. We may need to revisit this **/
99 nt_status = pass_check(pass,
100 pass ? pass->pw_name : user_info->internal_username.str,
101 (char *)user_info->plaintext_password.data,
102 user_info->plaintext_password.length-1,
103 lp_update_encrypted() ?
104 update_smbpassword_file : NULL,
109 if NT_STATUS_IS_OK(nt_status) {
111 make_server_info_pw(server_info, pass);
113 /* we need to do somthing more useful here */
114 nt_status = NT_STATUS_NO_SUCH_USER;
121 /* module initialisation */
122 NTSTATUS auth_init_unix(struct auth_context *auth_context, const char* param, auth_methods **auth_method)
124 if (!make_auth_methods(auth_context, auth_method)) {
125 return NT_STATUS_NO_MEMORY;
128 (*auth_method)->name = "unix";
129 (*auth_method)->auth = check_unix_security;