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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
* '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 *sam_account, const char *sname)
{
const char *guest_account = lp_guestaccount();
if (!sam_account || !sname) {
DEBUG(0,("invalid name specified"));
return NT_STATUS_UNSUCCESSFUL;
}
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 (!strequal(guest_account, sname)) {
return NT_STATUS_NO_SUCH_USER;
}
pdb_fill_default_sam(sam_account);
if (!pdb_set_username(sam_account, guest_account, PDB_SET))
return NT_STATUS_UNSUCCESSFUL;
if (!pdb_set_fullname(sam_account, guest_account, PDB_SET))
return NT_STATUS_UNSUCCESSFUL;
if (!pdb_set_domain(sam_account, get_global_sam_name(), PDB_DEFAULT))
return NT_STATUS_UNSUCCESSFUL;
if (!pdb_set_acct_ctrl(sam_account, ACB_NORMAL, PDB_DEFAULT))
return NT_STATUS_UNSUCCESSFUL;
if (!pdb_set_user_sid_from_rid(sam_account, DOMAIN_USER_RID_GUEST, PDB_SET))
return NT_STATUS_UNSUCCESSFUL;
if (!pdb_set_group_sid_from_rid(sam_account, DOMAIN_GROUP_RID_GUESTS, PDB_DEFAULT))
return NT_STATUS_UNSUCCESSFUL;
return NT_STATUS_OK;
}
/***************************************************************************
Search by rid
**************************************************************************/
static NTSTATUS guestsam_getsampwrid (struct pdb_methods *methods,
SAM_ACCOUNT *sam_account, uint32 rid)
{
if (rid != DOMAIN_USER_RID_GUEST) {
return NT_STATUS_NO_SUCH_USER;
}
if (!sam_account) {
return NT_STATUS_INVALID_PARAMETER;
}
return guestsam_getsampwnam (methods, sam_account, lp_guestaccount());
}
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);
}
/***************************************************************************
Updates a SAM_ACCOUNT
This isn't a particulary practical option for pdb_guest. We certainly don't
want to twidde the filesystem, so what should we do?
Current plan is to transparently add the account. It should appear
as if the pdb_guest version was modified, but its actually stored somehwere.
****************************************************************************/
static NTSTATUS guestsam_update_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *newpwd)
{
#if 1 /* JERRY */
/* apparently thr build farm relies upon this heavior :-( */
return methods->parent->pdb_add_sam_account(methods->parent, newpwd);
#else
/* I don't think we should allow any modification of
the guest account as SID will could messed up with
the smbpasswd backend --jerry */
return NT_STATUS_NOT_IMPLEMENTED;
#endif
}
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;
(*pdb_method)->update_sam_account = guestsam_update_sam_account;
/* 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;
/* we do not handle groups in guest backend */
/* FIXME
(*pdb_method)->get_group_info_by_sid = pdb_nop_get_group_info_by_sid;
(*pdb_method)->get_group_list = pdb_nop_get_group_list;
(*pdb_method)->get_group_sids = pdb_nop_get_group_sids;
(*pdb_method)->add_group = pdb_nop_add_group;
(*pdb_method)->update_group = pdb_nop_update_group;
(*pdb_method)->delete_group = pdb_nop_delete_group;
(*pdb_method)->add_sid_to_group = pdb_nop_add_sid_to_group;
(*pdb_method)->remove_sid_from_group = pdb_nop_remove_sid_from_group;
(*pdb_method)->get_group_info_by_name = pdb_nop_get_group_info_by_name;
(*pdb_method)->get_group_info_by_nt_name = pdb_nop_get_group_info_by_nt_name;
(*pdb_method)->get_group_uids = pdb_nop_get_group_uids;
*/
/* 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);
}
|
