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 * update the encrypted smbpasswd file from the plaintext username and password
26 * this ugly hack needs to die, but not quite yet, I think people still use it...
28 static BOOL update_smbpassword_file(char *user, char *password)
30 SAM_ACCOUNT *sampass = NULL;
33 pdb_init_sam(&sampass);
36 ret = pdb_getsampwnam(sampass, user);
40 DEBUG(0,("pdb_getsampwnam returned NULL\n"));
41 pdb_free_sam(&sampass);
46 * Remove the account disabled flag - we are updating the
47 * users password from a login.
49 if (!pdb_set_acct_ctrl(sampass, pdb_get_acct_ctrl(sampass) & ~ACB_DISABLED)) {
50 pdb_free_sam(&sampass);
54 if (!pdb_set_plaintext_passwd (sampass, password)) {
55 pdb_free_sam(&sampass);
59 /* Now write it into the file. */
62 ret = pdb_update_sam_account (sampass);
67 DEBUG(3,("pdb_update_sam_account returned %d\n",ret));
70 memset(password, '\0', strlen(password));
72 pdb_free_sam(&sampass);
77 /** Check a plaintext username/password
79 * Cannot deal with an encrupted password in any manner whatsoever,
80 * unless the account has a null password.
83 static NTSTATUS check_unix_security(const struct auth_context *auth_context,
84 void *my_private_data,
86 const auth_usersupplied_info *user_info,
87 auth_serversupplied_info **server_info)
90 struct passwd *pass = NULL;
93 pass = Get_Pwnam(user_info->internal_username.str);
96 /** @todo This call assumes a ASCII password, no charset transformation is
97 done. We may need to revisit this **/
98 nt_status = pass_check(pass,
99 pass ? pass->pw_name : user_info->internal_username.str,
100 (char *)user_info->plaintext_password.data,
101 user_info->plaintext_password.length-1,
102 lp_update_encrypted() ?
103 update_smbpassword_file : NULL,
108 if NT_STATUS_IS_OK(nt_status) {
110 make_server_info_pw(server_info, pass);
112 /* we need to do somthing more useful here */
113 nt_status = NT_STATUS_NO_SUCH_USER;
120 /* module initialisation */
121 BOOL auth_init_unix(struct auth_context *auth_context, auth_methods **auth_method)
123 if (!make_auth_methods(auth_context, auth_method)) {
127 (*auth_method)->auth = check_unix_security;