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
180
181
182
183
|
/*
Unix SMB/CIFS implementation.
Parameter loading functions
Copyright (C) Karl Auer 1993-1998
Largely re-written by Andrew Tridgell, September 1994
Copyright (C) Simo Sorce 2001
Copyright (C) Alexander Bokovoy 2002
Copyright (C) Stefan (metze) Metzmacher 2002
Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
Copyright (C) Michael Adam 2008
Copyright (C) Andrew Bartlett 2010
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "lib/param/loadparm.h"
#include "libds/common/roles.h"
/*******************************************************************
Set the server type we will announce as via nmbd.
********************************************************************/
static const struct srv_role_tab {
uint32_t role;
const char *role_str;
} srv_role_tab [] = {
{ ROLE_STANDALONE, "ROLE_STANDALONE" },
{ ROLE_DOMAIN_MEMBER, "ROLE_DOMAIN_MEMBER" },
{ ROLE_DOMAIN_BDC, "ROLE_DOMAIN_BDC" },
{ ROLE_DOMAIN_PDC, "ROLE_DOMAIN_PDC" },
{ 0, NULL }
};
const char* server_role_str(uint32_t role)
{
int i = 0;
for (i=0; srv_role_tab[i].role_str; i++) {
if (role == srv_role_tab[i].role) {
return srv_role_tab[i].role_str;
}
}
return NULL;
}
/**
* Set the server role based on security, domain logons and domain master
*/
int lp_find_server_role(int server_role, int security, int domain_logons, int domain_master)
{
int role;
if (server_role != ROLE_AUTO) {
if (lp_is_security_and_server_role_valid(server_role, security)) {
return server_role;
}
}
/* If server_role is set to ROLE_AUTO, or conflicted with the
* chosen security setting, figure out the correct role */
role = ROLE_STANDALONE;
switch (security) {
case SEC_SERVER:
if (domain_logons) {
DEBUG(0, ("Server's Role (logon server) conflicts with server-level security\n"));
}
/* this used to be considered ROLE_DOMAIN_MEMBER but that's just wrong */
role = ROLE_STANDALONE;
break;
case SEC_DOMAIN:
if (domain_logons) {
DEBUG(1, ("Server's Role (logon server) NOT ADVISED with domain-level security\n"));
role = ROLE_DOMAIN_BDC;
break;
}
role = ROLE_DOMAIN_MEMBER;
break;
case SEC_ADS:
if (domain_logons) {
role = ROLE_DOMAIN_CONTROLLER;
break;
}
role = ROLE_DOMAIN_MEMBER;
break;
case SEC_AUTO:
case SEC_USER:
if (domain_logons) {
if (domain_master) {
role = ROLE_DOMAIN_PDC;
} else {
role = ROLE_DOMAIN_BDC;
}
}
break;
default:
DEBUG(0, ("Server's Role undefined due to unknown security mode\n"));
break;
}
return role;
}
/**
* Set the server role based on security, domain logons and domain master
*/
int lp_find_security(int server_role, int security)
{
if (security != SEC_AUTO) {
return security;
}
switch (server_role) {
case ROLE_AUTO:
case ROLE_STANDALONE:
return SEC_USER;
case ROLE_DOMAIN_MEMBER:
#if (defined(HAVE_ADS) || _SAMBA_BUILD_ >= 4)
return SEC_ADS;
#else
return SEC_DOMAIN;
#endif
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
default:
return SEC_USER;
}
}
/**
* Check if server role and security parameters are contradictory
*/
bool lp_is_security_and_server_role_valid(int server_role, int security)
{
bool valid = false;
if (security == SEC_AUTO) {
return true;
}
switch (server_role) {
case ROLE_AUTO:
valid = true;
break;
case ROLE_STANDALONE:
if (security == SEC_SERVER || security == SEC_USER) {
valid = true;
}
break;
case ROLE_DOMAIN_MEMBER:
if (security == SEC_ADS || security == SEC_DOMAIN) {
valid = true;
}
break;
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
if (security == SEC_USER || security == SEC_ADS || security == SEC_DOMAIN) {
valid = true;
}
break;
default:
break;
}
return valid;
}
|
