summaryrefslogtreecommitdiff
path: root/lib/param/loadparm_server_role.c
blob: d80ee7e87665265514edb97de0391d45905d15f1 (plain)
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
/*
   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, bool domain_logons, bool domain_master)
{
	int role;

	if (server_role != ROLE_AUTO) {
		return server_role;
	}

	/* If server_role is set to ROLE_AUTO, figure out the correct role */
	role = ROLE_STANDALONE;

	switch (security) {
		case SEC_SHARE:
			if (domain_logons) {
				DEBUG(0, ("Server's Role (logon server) conflicts with share-level security\n"));
			}
			break;
		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;
	}
}