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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/*
* 'Guest' password backend for samba
* Copyright (C) Jelmer Vernooij 2002
* Copyright (C) Andrew Bartlett 2003
*
* 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"
/******************************************************************
Lookup a name in the SAM database
******************************************************************/
static NTSTATUS guestsam_getsampwnam (struct pdb_methods *methods, SAM_ACCOUNT *user, const char *sname)
{
NTSTATUS nt_status;
struct passwd *pass;
const char *guest_account = lp_guestaccount();
if (!(guest_account && *guest_account)) {
DEBUG(1, ("NULL guest account!?!?\n"));
return NT_STATUS_UNSUCCESSFUL;
}
if (!methods) {
DEBUG(0,("invalid methods\n"));
return NT_STATUS_UNSUCCESSFUL;
}
if (!sname) {
DEBUG(0,("invalid name specified"));
return NT_STATUS_UNSUCCESSFUL;
}
if (!strequal(guest_account, sname)) {
return NT_STATUS_NO_SUCH_USER;
}
pass = getpwnam_alloc(guest_account);
nt_status = pdb_fill_sam_pw(user, pass);
passwd_free(&pass);
return nt_status;
}
/***************************************************************************
Search by rid
**************************************************************************/
static NTSTATUS guestsam_getsampwrid (struct pdb_methods *methods,
SAM_ACCOUNT *user, uint32 rid)
{
NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
struct passwd *pass = NULL;
const char *guest_account = lp_guestaccount();
if (!(guest_account && *guest_account)) {
DEBUG(1, ("NULL guest account!?!?\n"));
return nt_status;
}
if (!methods) {
DEBUG(0,("invalid methods\n"));
return nt_status;
}
if (rid == DOMAIN_USER_RID_GUEST) {
pass = getpwnam_alloc(guest_account);
if (!pass) {
DEBUG(1, ("guest account %s does not seem to exist...\n", guest_account));
return NT_STATUS_NO_SUCH_USER;
}
} else {
return NT_STATUS_NO_SUCH_USER;
}
nt_status = pdb_fill_sam_pw(user, pass);
passwd_free(&pass);
return nt_status;
}
static NTSTATUS guestsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
{
uint32 rid;
if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid))
return NT_STATUS_NO_SUCH_USER;
return guestsam_getsampwrid(my_methods, user, rid);
}
NTSTATUS pdb_init_guestsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
{
NTSTATUS nt_status;
if (!pdb_context) {
DEBUG(0, ("invalid pdb_context specified\n"));
return NT_STATUS_UNSUCCESSFUL;
}
if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
return nt_status;
}
(*pdb_method)->name = "guestsam";
(*pdb_method)->getsampwnam = guestsam_getsampwnam;
(*pdb_method)->getsampwsid = guestsam_getsampwsid;
/* we should do no group mapping here */
(*pdb_method)->getgrsid = pdb_nop_getgrsid;
(*pdb_method)->getgrgid = pdb_nop_getgrgid;
(*pdb_method)->getgrnam = pdb_nop_getgrnam;
(*pdb_method)->add_group_mapping_entry = pdb_nop_add_group_mapping_entry;
(*pdb_method)->update_group_mapping_entry = pdb_nop_update_group_mapping_entry;
(*pdb_method)->delete_group_mapping_entry = pdb_nop_delete_group_mapping_entry;
(*pdb_method)->enum_group_mapping = pdb_nop_enum_group_mapping;
/* There's not very much to initialise here */
return NT_STATUS_OK;
}
NTSTATUS pdb_guest_init(void)
{
return smb_register_passdb(PASSDB_INTERFACE_VERSION, "guest", pdb_init_guestsam);
}
|
