summaryrefslogtreecommitdiffstats
path: root/source/namedbsubnet.c
diff options
context:
space:
mode:
Diffstat (limited to 'source/namedbsubnet.c')
-rw-r--r--source/namedbsubnet.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/source/namedbsubnet.c b/source/namedbsubnet.c
deleted file mode 100644
index 7e800930a53..00000000000
--- a/source/namedbsubnet.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
- Unix SMB/Netbios implementation.
- Version 1.9.
- NBT netbios routines and daemon - version 2
- 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.
-
- Revision History:
-
- 14 jan 96: lkcl@pires.co.uk
- added multiple workgroup domain master support
-
- 04 jul 96: lkcl@pires.co.uk
- created module namedbsubnet containing subnet database functions
-
-*/
-
-#include "includes.h"
-#include "smb.h"
-
-extern int ClientNMB;
-extern int ClientDGRAM;
-
-extern int DEBUGLEVEL;
-
-extern struct in_addr wins_ip;
-extern struct in_addr ipzero;
-
-extern pstring myname;
-extern fstring myworkgroup;
-
-BOOL updatedlists = True;
-int updatecount = 0;
-
-/* local interfaces structure */
-extern struct interface *local_interfaces;
-
-/* this is our domain/workgroup/server database */
-struct subnet_record *subnetlist = NULL;
-
-/* WINS subnet - keep this separate so enumeration code doesn't
- run onto it by mistake. */
-struct subnet_record *wins_subnet = NULL;
-
-extern uint16 nb_type; /* samba's NetBIOS name type */
-
-/****************************************************************************
- add a domain into the list
- **************************************************************************/
-static void add_subnet(struct subnet_record *d)
-{
- struct subnet_record *d2;
-
- if (!subnetlist)
- {
- subnetlist = d;
- d->prev = NULL;
- d->next = NULL;
- return;
- }
-
- for (d2 = subnetlist; d2->next; d2 = d2->next);
-
- d2->next = d;
- d->next = NULL;
- d->prev = d2;
-}
-
-
-/****************************************************************************
- find a subnet in the subnetlist - not including WINS.
- **************************************************************************/
-struct subnet_record *find_subnet(struct in_addr bcast_ip)
-{
- struct subnet_record *d;
-
- /* search through subnet list for broadcast/netmask that matches
- the source ip address. */
-
- for (d = FIRST_SUBNET; d; d = NEXT_SUBNET_EXCLUDING_WINS(d))
- {
- if (same_net(bcast_ip, d->bcast_ip, d->mask_ip))
- return d;
- }
-
- return (NULL);
-}
-
-
-/****************************************************************************
- finds the appropriate subnet structure. directed packets (non-bcast) are
- assumed to come from a point-to-point (P or M node), and so the subnet we
- return in this instance is the WINS 'pseudo-subnet' with ip 255.255.255.255
- ****************************************************************************/
-struct subnet_record *find_req_subnet(struct in_addr ip, BOOL bcast)
-{
- if (bcast)
- {
- /* identify the subnet the broadcast request came from */
- return find_subnet(*iface_bcast(ip));
- }
- /* Return the subnet with the pseudo-ip of 255.255.255.255 */
- return wins_subnet;
-}
-
-/****************************************************************************
- find a subnet in the subnetlist - if the subnet is not found
- then return the WINS subnet.
- **************************************************************************/
-struct subnet_record *find_subnet_all(struct in_addr bcast_ip)
-{
- struct subnet_record *d = find_subnet(bcast_ip);
- if(!d)
- return wins_subnet;
- return d;
-}
-
-/****************************************************************************
- create a domain entry
- ****************************************************************************/
-static struct subnet_record *make_subnet(struct in_addr bcast_ip, struct in_addr mask_ip, BOOL add)
-{
- struct subnet_record *d;
- d = (struct subnet_record *)malloc(sizeof(*d));
-
- if (!d) return(NULL);
-
- bzero((char *)d,sizeof(*d));
-
- DEBUG(4, ("making subnet %s ", inet_ntoa(bcast_ip)));
- DEBUG(4, ("%s\n", inet_ntoa(mask_ip)));
-
- d->bcast_ip = bcast_ip;
- d->mask_ip = mask_ip;
- d->workgrouplist = NULL;
-
- if(add)
- add_subnet(d);
-
- return d;
-}
-
-/****************************************************************************
- add a domain entry. creates a workgroup, if necessary, and adds the domain
- to the named a workgroup.
- ****************************************************************************/
-static struct subnet_record *add_subnet_entry(struct in_addr bcast_ip,
- struct in_addr mask_ip, char *name,
- BOOL create_subnets, BOOL add)
-{
- struct subnet_record *d = NULL;
-
- if (zero_ip(bcast_ip))
- bcast_ip = *iface_bcast(bcast_ip);
-
- /* Note that we should also add into the WINS subnet as add_subnet_entry
- should be called to add NetBIOS names and server entries on all
- interfaces, including the WINS interface
- */
-
- if(create_subnets == True)
- {
- /* Create new subnets. */
- if((d = make_subnet(bcast_ip, mask_ip, add)) == NULL)
- {
- DEBUG(0,("add_subnet_entry: Unable to create subnet %s\n",
- inet_ntoa(bcast_ip) ));
- return NULL;
- }
- return d;
- }
- if(ip_equal(bcast_ip, wins_ip))
- return wins_subnet;
- return find_subnet(bcast_ip);
-}
-
-/****************************************************************************
- Add a workgroup into a subnet, and if it's our primary workgroup,
- add the required names to it.
-**************************************************************************/
-
-void add_workgroup_to_subnet( struct subnet_record *d, char *group)
-{
- struct work_record *w = NULL;
-
- DEBUG(5,("add_workgroup_to_subnet: Adding workgroup %s to subnet %s\n",
- group, inet_ntoa(d->bcast_ip)));
-
- /* This next statement creates the workgroup struct if it doesn't
- already exist.
- */
- if((w = find_workgroupstruct(d, group, True)) == NULL)
- {
- DEBUG(0,("add_workgroup_to_subnet: Unable to add workgroup %s to subnet %s\n",
- group, inet_ntoa(d->bcast_ip) ));
- return;
- }
-
- /* add WORKGROUP(00) entries into name database
- or register with WINS server, if it's our workgroup.
- */
- if (strequal(myworkgroup, group))
- {
- add_my_name_entry(d,group,0x0 ,nb_type|NB_ACTIVE|NB_GROUP,False);
- add_my_name_entry(d,group,0x1e,nb_type|NB_ACTIVE|NB_GROUP,False);
- /* add samba server name to workgroup list. */
- add_server_entry(d,w,myname,w->ServerType,0,lp_serverstring(),True);
- DEBUG(3,("add_workgroup_to_subnet: Added server name entry %s to subnet %s\n",
- myname, inet_ntoa(d->bcast_ip)));
- }
-}
-
-/****************************************************************************
- create subnet / workgroup / server entries
-
- - add or create the subnet lists
- - add or create the workgroup entries in each subnet entry
- - register appropriate NetBIOS names for the workgroup entries
-
-**************************************************************************/
-void add_my_subnets(char *group)
-{
- static BOOL create_subnets = True;
- struct subnet_record *d = NULL;
- struct interface *i = NULL;
-
- if (*group == '*') return;
-
- /* Create subnets from all the local interfaces and thread them onto
- the linked list.
- */
- for (i = local_interfaces; i; i = i->next)
- {
- add_subnet_entry(i->bcast,i->nmask,group, create_subnets, True);
- }
-
- /* If we are using WINS, then we must add the workgroup to the WINS
- subnet. This is used as a place to keep collated server lists.
- */
-
- /* Create the WINS subnet if we are using WINS - but don't thread it
- onto the linked subnet list.
- */
- if (lp_wins_support() || lp_wins_server())
- {
- struct in_addr wins_nmask = ipzero;
- wins_subnet = add_subnet_entry(wins_ip, wins_nmask, group, create_subnets, False);
- }
-
- /* Ensure we only create the subnets once. */
- create_subnets = False;
-
- /* Now we have created all the subnets - we can add the names
- that make us a client member in the workgroup.
- */
- for (d = FIRST_SUBNET; d; d = NEXT_SUBNET_INCLUDING_WINS(d))
- add_workgroup_to_subnet(d, group);
-}
-
-/*******************************************************************
- write out browse.dat
- ******************************************************************/
-void write_browse_list(time_t t)
-{
- struct subnet_record *d;
- pstring fname,fnamenew;
- FILE *f;
-
- static time_t lasttime = 0;
-
- if (!lasttime) lasttime = t;
- if (!updatedlists || t - lasttime < 5) return;
-
- lasttime = t;
- updatedlists = False;
- updatecount++;
-
- dump_names();
- dump_workgroups();
-
- strcpy(fname,lp_lockdir());
- trim_string(fname,NULL,"/");
- strcat(fname,"/");
- strcat(fname,SERVER_LIST);
- strcpy(fnamenew,fname);
- strcat(fnamenew,".");
-
- f = fopen(fnamenew,"w");
-
- if (!f)
- {
- DEBUG(4,("Can't open %s - %s\n",fnamenew,strerror(errno)));
- return;
- }
-
- for (d = FIRST_SUBNET; d ; d = NEXT_SUBNET_INCLUDING_WINS(d))
- {
- struct work_record *work;
- for (work = d->workgrouplist; work ; work = work->next)
- {
- struct server_record *s;
- for (s = work->serverlist; s ; s = s->next)
- {
- fstring tmp;
-
- /* don't list domains I don't have a master for */
- if ((s->serv.type & SV_TYPE_DOMAIN_ENUM) && !s->serv.comment[0])
- {
- continue;
- }
-
- /* output server details, plus what workgroup/domain
- they're in. without the domain information, the
- combined list of all servers in all workgroups gets
- sent to anyone asking about any workgroup! */
-
- sprintf(tmp, "\"%s\"", s->serv.name);
- fprintf(f, "%-25s ", tmp);
- fprintf(f, "%08x ", s->serv.type);
- sprintf(tmp, "\"%s\" ", s->serv.comment);
- fprintf(f, "%-30s", tmp);
- fprintf(f, "\"%s\"\n", work->work_group);
- }
- }
- }
-
- fclose(f);
- unlink(fname);
- chmod(fnamenew,0644);
- rename(fnamenew,fname);
- DEBUG(3,("Wrote browse list %s\n",fname));
-}
-
generated by cgit (git 2.34.1) at 2024-05-09 21:52:53 +0000