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/*
Unix SMB/Netbios implementation.
Version 1.9.
NBT netbios routines and daemon - version 2
Copyright (C) David Chappell 1996-1997
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.
Revision History:
30 July 96: David.Chappell@mail.trincoll.edu
Expanded multiple workgroup domain master browser support.
*/
/*
** nameconf.c
** These functions dispense information from smbbrowse.conf.
**
**
*/
#include "includes.h"
extern int DEBUGLEVEL;
extern fstring myworkgroup;
#if 0
struct smbbrowse_parms
{
char *name;
BOOL (*reader)(char *string, void *toset);
} smbbrowse_table[] =
{
{"preferred master", NULL},
{"local master", NULL},
{"domain master", NULL}
} ;
#endif
/*
** Structure for the list of workgroups from smbbrowse.conf. This
** structure should only be manipulated thru the functions in this file.
** That is why it is not defined in a header file.
*/
struct smbbrowse
{
char work_name[16]; /* workgroup name */
char browsing_alias[16]; /* alias for our role in this workgroup */
struct server_identity *my_names; /* a list of server name we should appear here as */
BOOL should_workgroup_member; /* should we try to become a member of this workgroup? */
BOOL should_local_master; /* should we try to become a master browser? */
BOOL should_domain_master; /* should we try to become the domain master browser? */
} ;
/* The whole list */
static struct smbbrowse *smbbrowse_workgroups = (struct smbbrowse*)NULL;
/* The size of the list */
static int array_size = 0;
/* The next available space in the list */
static int nexttoken = 0;
int get_num_workgroups(void)
{
return nexttoken;
}
/*
** This makes a new workgroup structure, possibly taking an
** old one as a model.
*/
static struct smbbrowse *new_workgroup(struct smbbrowse *model,
char *workgroup_name,
char *default_name)
{
struct smbbrowse *new;
if( ! (array_size > nexttoken) )
{
array_size += 10;
smbbrowse_workgroups = (struct smbbrowse*)realloc(smbbrowse_workgroups,
array_size * sizeof(struct smbbrowse));
}
new = &smbbrowse_workgroups[nexttoken];
if(model != (struct smbbrowse *)NULL )
memcpy(new, model, sizeof(struct smbbrowse));
else
memset(new, 0, sizeof(struct smbbrowse));
StrnCpy(new->work_name, workgroup_name, 15);
strupper(new->work_name);
if (strequal(myworkgroup, workgroup_name))
StrnCpy(new->browsing_alias, default_name, 15);
else
sprintf(new->browsing_alias, "%.14s%x", default_name, nexttoken);
strupper(new->browsing_alias);
DEBUG(4,("wg: %s alias: %s token: %x\n",
new->work_name, new->browsing_alias, nexttoken));
nexttoken++;
return new;
}
/*
** If fed a workgroup name, this function returns its token number.
** If the workgroup does not exist a new token is assigned unless
** new workgroups are not allowed.
*/
int conf_workgroup_name_to_token(char *workgroup_name,char *default_name)
{
int idx;
/* Look for an existing instance. */
for(idx=0; idx < nexttoken; idx++)
{
if(strequal(workgroup_name, smbbrowse_workgroups[idx].work_name))
{
return idx;
}
}
/* See if creating new ones in admissable. */
for(idx=0; idx < nexttoken; idx++)
{
if(strequal("*", smbbrowse_workgroups[idx].work_name))
{
struct smbbrowse *w = new_workgroup(&smbbrowse_workgroups[idx],
workgroup_name, default_name);
w->should_workgroup_member = False;
return (nexttoken - 1);
}
}
/* Not allowed */
DEBUG(4, ("refusing to allow new workgroup\n"));
return -1;
}
/*
** This is a workgroups array bounds checker.
*/
static int range_check(int token)
{
if(token < 0 || token >= nexttoken)
{
DEBUG(0, ("range_check(): failed\n"));
return True;
}
return False;
}
/*
** Given a token, return the name.
*/
char *conf_workgroup_name(int token)
{
if(range_check(token))
return (char*)NULL;
return smbbrowse_workgroups[token].work_name;
}
/*
** Given a token, return True if we should try
** to become a master browser.
*/
int conf_should_workgroup_member(int token)
{
if(range_check(token))
return False;
return smbbrowse_workgroups[token].should_workgroup_member;
}
/*
** Given a token, return True if we should try
** to become a master browser.
*/
int conf_should_local_master(int token)
{
if(range_check(token))
return False;
return smbbrowse_workgroups[token].should_local_master;
}
/*
** Given a token, return True if we should try
** to become a domain master browser.
*/
int conf_should_domain_master(int token)
{
if(range_check(token))
return False;
return smbbrowse_workgroups[token].should_domain_master;
}
/*
** Given a token, return the name.
*/
char *conf_browsing_alias(int token)
{
if(range_check(token))
return (char*)NULL;
return smbbrowse_workgroups[token].browsing_alias;
}
/*
** Return the server comment which should be used with the
** browsing alias.
*/
char *conf_browsing_alias_comment(int token)
{
if(range_check(token))
return (char*) NULL;
return "Browser";
}
/*
** Given an alias name for this server, return the name of the workgroup
** for which it is the browsing alias.
*/
char *conf_alias_to_workgroup(char *alias)
{
int x;
DEBUG(4,("alias_to_workgroup: %s", alias));
for(x=0; x < nexttoken; x++)
{
DEBUG(4,("%s ", smbbrowse_workgroups[x].browsing_alias));
if(strequal(alias, smbbrowse_workgroups[x].browsing_alias))
{
DEBUG(4,("OK\n"));
return smbbrowse_workgroups[x].work_name;
}
}
DEBUG(4,("not found\n"));
return (char*)NULL;
}
/*
** Given an alias name for this server, return the name of the workgroup
** for which it is the browsing alias.
*/
int conf_alias_to_token(char *alias)
{
int x;
for(x=0; x < nexttoken; x++)
{
if(strequal(alias, smbbrowse_workgroups[x].browsing_alias))
{
return x;
}
}
return -1;
}
/*
** Since there is no smbbrowse.conf file, we will fill in
** the structures with information from the smb.conf file.
*/
static void default_smbbrowse_conf(char *default_name)
{
struct smbbrowse *w;
/* The workgroup specified in smb.conf */
w = new_workgroup((struct smbbrowse *)NULL, myworkgroup, default_name);
w->should_local_master = lp_preferred_master();
w->should_domain_master = lp_domain_master();
w->should_workgroup_member = True;
/* default action: allow any new workgroup to be added */
w = new_workgroup((struct smbbrowse *)NULL, "*", default_name);
w->should_local_master = False;
w->should_domain_master = False;
w->should_workgroup_member = False;
}
/*
** This function is called from main().
*/
void read_smbbrowse_conf(char *default_name)
{
FILE *f = fopen(BROWSEFILE,"r");
if (f)
{
while (!feof(f))
{
pstring line;
char *ptr;
int count = 0;
pstring work_name;
struct smbbrowse *w;
if (!fgets_slash(line,sizeof(pstring),f)) continue;
if (*line == '#') continue;
strcpy(work_name,"");
ptr = line;
if (next_token(&ptr, work_name, NULL)) ++count;
if (count <= 0) continue;
w = new_workgroup((struct smbbrowse *)NULL, work_name, default_name);
w->should_local_master = lp_local_master();
w->should_domain_master = lp_domain_master();
w->should_workgroup_member = True;
}
fclose(f);
}
else
{
DEBUG(2,("Can't open browse configuration file %s\n",BROWSEFILE));
}
default_smbbrowse_conf(default_name);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.