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/*
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" },
{ ROLE_ACTIVE_DIRECTORY_DC, "ROLE_ACTIVE_DIRECTORY_DC" },
{ 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_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_BDC;
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_DOMAIN_MEMBER:
#if (defined(HAVE_ADS) || _SAMBA_BUILD_ >= 4)
return SEC_ADS;
#else
return SEC_DOMAIN;
#endif
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_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:
case ROLE_ACTIVE_DIRECTORY_DC:
if (security == SEC_USER || security == SEC_ADS || security == SEC_DOMAIN) {
valid = true;
}
break;
default:
break;
}
return valid;
}
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