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/*
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Jeremy Allison 2001-2007
Copyright (C) Simo Sorce 2001
Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
Copyright (C) James Peach 2006
Copyright (C) Andrew Bartlett 2010-2011
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"
/***********************************************************************
Definitions for all names.
***********************************************************************/
static int smb_num_netbios_names;
static char **smb_my_netbios_names;
static void free_netbios_names_array(void)
{
int i;
for (i = 0; i < smb_num_netbios_names; i++)
SAFE_FREE(smb_my_netbios_names[i]);
SAFE_FREE(smb_my_netbios_names);
smb_num_netbios_names = 0;
}
static bool allocate_my_netbios_names_array(size_t number)
{
free_netbios_names_array();
smb_num_netbios_names = number + 1;
smb_my_netbios_names = SMB_MALLOC_ARRAY( char *, smb_num_netbios_names );
if (!smb_my_netbios_names)
return False;
memset(smb_my_netbios_names, '\0', sizeof(char *) * smb_num_netbios_names);
return True;
}
static bool set_my_netbios_names(const char *name, int i)
{
SAFE_FREE(smb_my_netbios_names[i]);
/*
* Don't include space for terminating '\0' in strndup,
* it is automatically added. This screws up if the name
* is greater than MAX_NETBIOSNAME_LEN-1 in the unix
* charset, but less than or equal to MAX_NETBIOSNAME_LEN-1
* in the DOS charset, but this is so old we have to live
* with that.
*/
smb_my_netbios_names[i] = SMB_STRNDUP(name, MAX_NETBIOSNAME_LEN-1);
if (!smb_my_netbios_names[i])
return False;
return strupper_m(smb_my_netbios_names[i]);
}
/***********************************************************************
Free memory allocated to global objects
***********************************************************************/
void gfree_names(void)
{
free_netbios_names_array();
free_local_machine_name();
}
const char *my_netbios_names(int i)
{
return smb_my_netbios_names[i];
}
bool set_netbios_aliases(const char **str_array)
{
size_t namecount;
/* Work out the max number of netbios aliases that we have */
for( namecount=0; str_array && (str_array[namecount] != NULL); namecount++ )
;
if ( lp_netbios_name() && *lp_netbios_name())
namecount++;
/* Allocate space for the netbios aliases */
if (!allocate_my_netbios_names_array(namecount))
return False;
/* Use the global_myname string first */
namecount=0;
if ( lp_netbios_name() && *lp_netbios_name()) {
set_my_netbios_names( lp_netbios_name(), namecount );
namecount++;
}
if (str_array) {
size_t i;
for ( i = 0; str_array[i] != NULL; i++) {
size_t n;
bool duplicate = False;
/* Look for duplicates */
for( n=0; n<namecount; n++ ) {
if( strequal( str_array[i], my_netbios_names(n) ) ) {
duplicate = True;
break;
}
}
if (!duplicate) {
if (!set_my_netbios_names(str_array[i], namecount))
return False;
namecount++;
}
}
}
return True;
}
/****************************************************************************
Common name initialization code.
****************************************************************************/
bool init_names(void)
{
int n;
if (!set_netbios_aliases(lp_netbios_aliases())) {
DEBUG( 0, ( "init_names: malloc fail.\n" ) );
return False;
}
set_local_machine_name(lp_netbios_name(),false);
DEBUG( 5, ("Netbios name list:-\n") );
for( n=0; my_netbios_names(n); n++ ) {
DEBUGADD( 5, ("my_netbios_names[%d]=\"%s\"\n",
n, my_netbios_names(n) ) );
}
return( True );
}
/******************************************************************
get the default domain/netbios name to be used when dealing
with our passdb list of accounts
******************************************************************/
const char *get_global_sam_name(void)
{
if (IS_DC) {
return lp_workgroup();
}
return lp_netbios_name();
}
/******************************************************************
Get the default domain/netbios name to be used when
testing authentication.
******************************************************************/
const char *my_sam_name(void)
{
if (lp_server_role() == ROLE_STANDALONE) {
return lp_netbios_name();
}
return lp_workgroup();
}
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