summaryrefslogtreecommitdiffstats
path: root/source/namebrowse.c
diff options
context:
space:
mode:
Diffstat (limited to 'source/namebrowse.c')
-rw-r--r--source/namebrowse.c246
1 files changed, 0 insertions, 246 deletions
diff --git a/source/namebrowse.c b/source/namebrowse.c
deleted file mode 100644
index 1dd293d27be..00000000000
--- a/source/namebrowse.c
+++ /dev/null
@@ -1,246 +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
-
-*/
-
-#include "includes.h"
-#include "smb.h"
-
-extern int ClientNMB;
-
-extern int DEBUGLEVEL;
-
-extern struct in_addr wins_ip;
-
-/* this is our browse master/backup cache database */
-static struct browse_cache_record *browserlist = NULL;
-
-
-/***************************************************************************
- add a browser into the list
- **************************************************************************/
-static void add_browse_cache(struct browse_cache_record *b)
-{
- struct browse_cache_record *b2;
-
- if (!browserlist)
- {
- browserlist = b;
- b->prev = NULL;
- b->next = NULL;
- return;
- }
-
- for (b2 = browserlist; b2->next; b2 = b2->next) ;
-
- b2->next = b;
- b->next = NULL;
- b->prev = b2;
-}
-
-
-/*******************************************************************
- remove old browse entries
- ******************************************************************/
-void expire_browse_cache(time_t t)
-{
- struct browse_cache_record *b;
- struct browse_cache_record *nextb;
-
- /* expire old entries in the serverlist */
- for (b = browserlist; b; b = nextb)
- {
- if (b->synced && b->sync_time < t)
- {
- DEBUG(3,("Removing dead cached browser %s\n",b->name));
- nextb = b->next;
-
- if (b->prev) b->prev->next = b->next;
- if (b->next) b->next->prev = b->prev;
-
- if (browserlist == b) browserlist = b->next;
-
- free(b);
- }
- else
- {
- nextb = b->next;
- }
- }
-}
-
-/****************************************************************************
- add a browser entry
- ****************************************************************************/
-struct browse_cache_record *add_browser_entry(char *name, int type, char *wg,
- time_t ttl, struct subnet_record *d,
- struct in_addr ip, BOOL local)
-{
- BOOL newentry=False;
-
- struct browse_cache_record *b;
-
- /* search for the entry: if it's already in the cache, update that entry */
- for (b = browserlist; b; b = b->next)
- {
- if (ip_equal(ip,b->ip) && strequal(b->group, wg)) break;
- }
-
- if (b && b->synced)
- {
- /* entries get left in the cache for a while. this stops sync'ing too
- often if the network is large */
- DEBUG(4, ("browser %s %s %s already sync'd at time %d\n",
- b->name, b->group, inet_ntoa(b->ip), b->sync_time));
- return NULL;
- }
-
- if (!b)
- {
- newentry = True;
- b = (struct browse_cache_record *)malloc(sizeof(*b));
-
- if (!b) return(NULL);
-
- bzero((char *)b,sizeof(*b));
- }
-
- /* update the entry */
- ttl = time(NULL)+ttl;
-
- StrnCpy(b->name ,name,sizeof(b->name )-1);
- StrnCpy(b->group,wg ,sizeof(b->group)-1);
- strupper(b->name);
- strupper(b->group);
-
- b->ip = ip;
- b->type = type;
- b->local = local; /* local server list sync or complete sync required */
- b->subnet = d;
-
- if (newentry || ttl < b->sync_time)
- b->sync_time = ttl;
-
- if (newentry)
- {
- b->synced = False;
- add_browse_cache(b);
-
- DEBUG(3,("Added cache entry %s %s(%2x) %s ttl %d\n",
- wg, name, type, inet_ntoa(ip),ttl));
- }
- else
- {
- DEBUG(3,("Updated cache entry %s %s(%2x) %s ttl %d\n",
- wg, name, type, inet_ntoa(ip),ttl));
- }
-
- return(b);
-}
-
-
-/****************************************************************************
-find a server responsible for a workgroup, and sync browse lists
-**************************************************************************/
-static void start_sync_browse_entry(struct browse_cache_record *b)
-{
- struct subnet_record *d = b->subnet;
- struct work_record *work;
-
- /* Check panic conditions - these should not be true. */
- if(b->subnet != wins_subnet) {
- DEBUG(0,
- ("start_sync_browse_entry: ERROR sync requested on non-WINS subnet.\n"));
- return;
- }
-
- if (!(work = find_workgroupstruct(d, b->group, False))) {
- DEBUG(0, ("start_sync_browse_entry: failed to get a \
-workgroup for a browse cache entry workgroup %s, server %s\n",
- b->group, b->name));
- return;
- }
-
- DEBUG(4, ("start_sync_browse_entry: Initiating %s sync with %s<0x20>, \
-workgroup %s\n",
- b->local ? "local" : "remote", b->name, b->group));
-
- /* first check whether the server we intend to sync with exists. if it
- doesn't, the server must have died. o dear. */
-
- /* see response_netbios_packet() or expire_netbios_response_entries() */
- /* We cheat here by using the my_comment field of the response_record
- struct as the workgroup name we are going to do the sync for.
- This is because the reply packet doesn't include the workgroup, but
- we need it when the reply comes back.
- */
- queue_netbios_packet(d,ClientNMB,NMB_QUERY,
- b->local?NAME_QUERY_SYNC_LOCAL:NAME_QUERY_SYNC_REMOTE,
- b->name,0x20,0,0,0,NULL,b->group,
- False,False,b->ip,b->ip);
-
- b->synced = True;
-}
-
-
-/****************************************************************************
- search through browser list for an entry to sync with
- **************************************************************************/
-void do_browser_lists(time_t t)
-{
- struct browse_cache_record *b;
- static time_t last = 0;
-
- if (t-last < 20)
- {
- DEBUG(9,("do_browser_lists: returning due to t(%d) - last(%d) < 20\n",
- t, last));
- return; /* don't do too many of these at once! */
- /* XXXX equally this period should not be too long
- the server may die in the intervening gap */
- }
- last = t;
-
- /* pick any entry in the list, preferably one whose time is up */
- for (b = browserlist; b && b->next; b = b->next)
- {
- if (b->sync_time < t && b->synced == False) break;
- }
-
- if (b && !b->synced)
- {
- /* sync with the selected entry then remove some dead entries */
- DEBUG(4,("do_browser_lists: Initiating sync with %s, workgroup %s\n",
- b->name, b->group));
- start_sync_browse_entry(b);
- }
- else
- {
- DEBUG(9, ("do_browser_lists: no entries to sync.\n"));
- }
-
- expire_browse_cache(t - 60);
-}
-
generated by cgit (git 2.34.1) at 2024-05-10 19:30:54 +0000