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/*
Unix SMB/Netbios implementation.
Version 1.9.
NBT netbios routines to synchronise browse lists
Copyright (C) Andrew Tridgell 1994-1997
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.
*/
#include "includes.h"
extern int ClientNMB;
extern int ClientDGRAM;
extern int DEBUGLEVEL;
extern pstring myname;
extern int name_type;
extern int max_protocol;
extern struct in_addr dest_ip;
extern int pid;
extern int gid;
extern int uid;
extern int mid;
extern BOOL got_pass;
extern BOOL have_ip;
extern pstring workgroup;
extern pstring service;
extern pstring desthost;
extern BOOL connect_as_ipc;
/****************************************************************************
fudge for getpass function
****************************************************************************/
char *getsmbpass(char *pass)
{
return "dummy"; /* return anything: it should be ignored anyway */
}
/****************************************************************************
adds information retrieved from a NetServerEnum call
****************************************************************************/
static BOOL add_info(struct subnet_record *d, struct work_record *work, int servertype)
{
char *rparam = NULL;
char *rdata = NULL;
int rdrcnt,rprcnt;
char *p;
pstring param;
int uLevel = 1;
int count = -1;
/* now send a SMBtrans command with api ServerEnum? */
p = param;
SSVAL(p,0,0x68); /* api number */
p += 2;
strcpy(p,"WrLehDz");
p = skip_string(p,1);
strcpy(p,"B16BBDz");
p = skip_string(p,1);
SSVAL(p,0,uLevel);
SSVAL(p,2,BUFFER_SIZE - SAFETY_MARGIN); /* buf length */
p += 4;
SIVAL(p,0,servertype);
p += 4;
strcpy(p, work->work_group);
p = skip_string(p,1);
if (cli_call_api(PTR_DIFF(p,param),0, 8,BUFFER_SIZE - SAFETY_MARGIN,
&rprcnt,&rdrcnt, param,NULL,
&rparam,&rdata))
{
int res = SVAL(rparam,0);
int converter=SVAL(rparam,2);
int i;
if (res == 0)
{
count=SVAL(rparam,4);
p = rdata;
for (i = 0;i < count;i++, p += 26)
{
char *sname = p;
uint32 stype = IVAL(p,18) & ~SV_TYPE_LOCAL_LIST_ONLY;
int comment_offset = IVAL(p,22) & 0xFFFF;
char *cmnt = comment_offset?(rdata+comment_offset-converter):"";
struct work_record *w = work;
DEBUG(4, ("\t%-16.16s %08x %s\n", sname, stype, cmnt));
if (stype & SV_TYPE_DOMAIN_ENUM)
{
/* creates workgroup on remote subnet */
if ((w = find_workgroupstruct(d,sname,True)))
{
announce_request(w, d->bcast_ip);
}
}
if (w)
add_server_entry(d,w,sname,stype,lp_max_ttl(),cmnt,False);
}
}
}
if (rparam) free(rparam);
if (rdata) free(rdata);
return(True);
}
/*******************************************************************
synchronise browse lists with another browse server.
log in on the remote server's SMB port to their IPC$ service,
do a NetServerEnum and update our server and workgroup databases.
******************************************************************/
void sync_browse_lists(struct subnet_record *d, struct work_record *work,
char *name, int nm_type, struct in_addr ip, BOOL local)
{
uint32 local_type = local ? SV_TYPE_LOCAL_LIST_ONLY : 0;
if (!d || !work ) return;
if(d != wins_subnet) {
DEBUG(0,
("sync_browse_lists: ERROR sync requested on non-WINS subnet.\n"));
return;
}
pid = getpid();
uid = getuid();
gid = getgid();
mid = pid + 100;
name_type = nm_type;
got_pass = True;
DEBUG(0,("sync_browse_lists: Sync browse lists with %s for %s %s\n",
name, work->work_group, inet_ntoa(ip)));
strcpy(workgroup,work->work_group);
strcpy(desthost,name);
dest_ip = ip;
if (zero_ip(dest_ip)) return;
have_ip = True;
connect_as_ipc = True;
/* connect as server and get domains, then servers */
sprintf(service,"\\\\%s\\IPC$", name);
strupper(service);
if (cli_open_sockets(SMB_PORT))
{
if (cli_send_login(NULL,NULL,True,True))
{
add_info(d, work, local_type|SV_TYPE_DOMAIN_ENUM);
if(local)
add_info(d, work, SV_TYPE_LOCAL_LIST_ONLY);
else
add_info(d, work, SV_TYPE_ALL);
}
close_sockets();
}
}
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