1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
Unix SMB/Netbios implementation.
Version 2.2
Password and authentication handling
Copyright (C) Andrew Bartlett 2001
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/****************************************************************************
update the encrypted smbpasswd file from the plaintext username and password
this ugly hack needs to die, but not quite yet...
*****************************************************************************/
static BOOL update_smbpassword_file(char *user, char *password)
{
SAM_ACCOUNT *sampass = NULL;
BOOL ret;
pdb_init_sam(&sampass);
become_root();
ret = pdb_getsampwnam(sampass, user);
unbecome_root();
if(ret == False) {
DEBUG(0,("pdb_getsampwnam returned NULL\n"));
pdb_free_sam(&sampass);
return False;
}
/*
* Remove the account disabled flag - we are updating the
* users password from a login.
*/
if (!pdb_set_acct_ctrl(sampass, pdb_get_acct_ctrl(sampass) & ~ACB_DISABLED)) {
pdb_free_sam(&sampass);
return False;
}
if (!pdb_set_plaintext_passwd (sampass, password)) {
pdb_free_sam(&sampass);
return False;
}
/* Now write it into the file. */
become_root();
/* Here, the override flag is True, because we want to ignore the
XXXXXXX'd out password */
ret = pdb_update_sam_account (sampass, True);
unbecome_root();
if (ret) {
DEBUG(3,("pdb_update_sam_account returned %d\n",ret));
}
memset(password, '\0', strlen(password));
pdb_free_sam(&sampass);
return ret;
}
/****************************************************************************
check if a username/password is OK assuming the password
in PLAIN TEXT
****************************************************************************/
NTSTATUS check_unix_security(const auth_usersupplied_info *user_info, auth_serversupplied_info **server_info)
{
NTSTATUS nt_status;
struct passwd *pass = NULL;
become_root();
pass = Get_Pwnam(user_info->internal_username.str);
nt_status = pass_check(pass,
pass ? pass->pw_name : user_info->internal_username.str,
(char *)user_info->plaintext_password.data,
user_info->plaintext_password.length-1,
lp_update_encrypted() ?
update_smbpassword_file : NULL,
True);
unbecome_root();
if NT_STATUS_IS_OK(nt_status) {
if (pass) {
make_server_info_pw(server_info, pass);
} else {
nt_status = NT_STATUS_NO_SUCH_USER;
}
}
return nt_status;
}
|
