nmbd/nmbd_processlogon.o nmbd/nmbd_responserecordsdb.o \
nmbd/nmbd_sendannounce.o nmbd/nmbd_serverlistdb.o \
nmbd/nmbd_subnetdb.o nmbd/nmbd_winsproxy.o nmbd/nmbd_winsserver.o \
- nmbd/nmbd_workgroupdb.o
+ nmbd/nmbd_workgroupdb.o nmbd/nmbd_synclists.o
NMBD_OBJ = $(NMBD_OBJ1) $(PARAM_OBJ) $(LIBSMB_OBJ) $(UBIQX_OBJ) \
$(PASSDB_OBJ) $(LIB_OBJ)
void announce_and_sync_with_domain_master_browser( struct subnet_record *subrec,
struct work_record *work);
void collect_all_workgroup_names_from_wins_server(time_t t);
+void sync_all_dmbs(time_t t);
/*The following definitions come from nmbd/nmbd_elections.c */
struct subnet_record *get_next_subnet_maybe_unicast(struct subnet_record *subrec);
struct subnet_record *get_next_subnet_maybe_unicast_or_wins_server(struct subnet_record *subrec);
+/*The following definitions come from nmbd/nmbd_synclists.c */
+
+void sync_browse_lists(struct work_record *work,
+ char *name, int nm_type,
+ struct in_addr ip, BOOL local, BOOL servers);
+void sync_check_completion(void);
+
/*The following definitions come from nmbd/nmbd_winsproxy.c */
void make_wins_proxy_name_query_request( struct subnet_record *subrec,
* (nmbd_packets.c)
*/
retransmit_or_expire_response_records(t);
+
+ /*
+ * check to see if any remote browse sync child processes have completed
+ */
+ sync_check_completion();
+
+ /*
+ * regularly sync with any other DMBs we know about
+ */
+ sync_all_dmbs(t);
}
} /* process */
/* This is our local master browser list database. */
extern struct ubi_dlList lmb_browserlist[];
-static struct work_record *call_work;
-static struct subnet_record *call_subrec;
-
-/*******************************************************************
- This is the NetServerEnum callback.
- ******************************************************************/
-
-static void callback(char *sname, uint32 stype, char *comment)
-{
- struct work_record *work;
-
- stype &= ~SV_TYPE_LOCAL_LIST_ONLY;
-
- if (stype & SV_TYPE_DOMAIN_ENUM)
- {
- /* See if we can find the workgroup on this subnet. */
- if(( work = find_workgroup_on_subnet( call_subrec, sname )) != NULL)
- {
- /* We already know about this workgroup - update the ttl. */
- update_workgroup_ttl( work, lp_max_ttl() );
- }
- else
- {
- /* Create the workgroup on the subnet. */
- create_workgroup_on_subnet( call_subrec, sname, lp_max_ttl() );
- }
- }
- else
- {
- /* Server entry. */
- struct server_record *servrec;
-
- work = call_work;
-
- if(( servrec = find_server_in_workgroup( work, sname )) != NULL)
- {
- /* Check that this is not a locally known server - if so ignore the
- entry. */
- if(!(servrec->serv.type & SV_TYPE_LOCAL_LIST_ONLY))
- {
- /* We already know about this server - update the ttl. */
- update_server_ttl(servrec, lp_max_ttl() );
- /* Update the type. */
- servrec->serv.type = stype;
- }
- }
- else
- {
- /* Create the server in the workgroup. */
- create_server_on_workgroup(work, sname,stype,lp_max_ttl(),comment);
- }
- }
-}
-
-/*******************************************************************
- 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.
-******************************************************************/
-
-static void sync_browse_lists(struct subnet_record *subrec, struct work_record *work,
- char *name, int nm_type, struct in_addr ip, BOOL local)
-{
- extern fstring local_machine;
- static struct cli_state cli;
- uint32 local_type = local ? SV_TYPE_LOCAL_LIST_ONLY : 0;
-
- if( DEBUGLVL( 2 ) )
- {
- dbgtext( "sync_browse_lists():\n" );
- dbgtext( "Sync browse lists with server %s<%02x> ", name, nm_type );
- dbgtext( "at IP %s ", inet_ntoa( ip ) );
- dbgtext( "for workgroup %s\n", work->work_group );
- }
-
- /* Check we're not trying to sync with ourselves. This can happen if we are
- a domain *and* a local master browser. */
- if(ismyip(ip))
- {
- DEBUG(2,("sync_browse_lists: We are both a domain and a local master browser for workgroup %s. \
-Do not sync with ourselves.\n", work->work_group ));
- return;
- }
-
- if (!cli_initialise(&cli) || !cli_connect(&cli, name, &ip))
- {
- DEBUG(0,("sync_browse_lists: Failed to start browse sync with %s\n", name));
- return;
- }
-
- if (!cli_session_request(&cli, name, nm_type, local_machine))
- {
- DEBUG(0,("sync_browse_lists: %s rejected the browse sync session\n",name));
- cli_shutdown(&cli);
- return;
- }
-
- if (!cli_negprot(&cli))
- {
- DEBUG(0,("sync_browse_lists: %s rejected the negprot\n",name));
- cli_shutdown(&cli);
- return;
- }
-
- if (!cli_session_setup(&cli, "", "", 1, "", 0, work->work_group))
- {
- DEBUG(0,("sync_browse_lists: %s rejected the browse sync sessionsetup\n",
- name));
- cli_shutdown(&cli);
- return;
- }
-
- if (!cli_send_tconX(&cli, "IPC$", "IPC", "", 1))
- {
- DEBUG(0,("sync_browse_lists: %s refused browse sync IPC$ connect\n", name));
- cli_shutdown(&cli);
- return;
- }
-
- call_work = work;
- call_subrec = subrec;
-
- /* Fetch a workgroup list. */
- cli_NetServerEnum(&cli, work->work_group,
- local_type|SV_TYPE_DOMAIN_ENUM,
- callback);
-
- /* Now fetch a server list. */
- cli_NetServerEnum(&cli, work->work_group,
- local?SV_TYPE_LOCAL_LIST_ONLY:SV_TYPE_ALL,
- callback);
-
- cli_shutdown(&cli);
-}
-
/****************************************************************************
As a domain master browser, do a sync with a local master browser.
**************************************************************************/
-
static void sync_with_lmb(struct browse_cache_record *browc)
{
struct work_record *work;
DEBUG(2, ("sync_with_lmb: Initiating sync with local master browser %s<0x20> at IP %s for \
workgroup %s\n", browc->lmb_name, inet_ntoa(browc->ip), browc->work_group));
- sync_browse_lists(unicast_subnet, work, browc->lmb_name, 0x20, browc->ip, True);
+ sync_browse_lists(work, browc->lmb_name, 0x20, browc->ip, True, True);
browc->sync_time += (CHECK_TIME_DMB_TO_LMB_SYNC * 60);
}
/****************************************************************************
Sync or expire any local master browsers.
**************************************************************************/
-
void dmb_expire_and_sync_browser_lists(time_t t)
{
static time_t last_run = 0;
DEBUG(2, ("sync_with_dmb: Initiating sync with domain master browser %s at IP %s for \
workgroup %s\n", namestr(&work->dmb_name), inet_ntoa(work->dmb_addr), work->work_group));
- sync_browse_lists(unicast_subnet, work, work->dmb_name.name, work->dmb_name.name_type,
- work->dmb_addr, False);
+ sync_browse_lists(work, work->dmb_name.name, work->dmb_name.name_type,
+ work->dmb_addr, False, True);
}
/****************************************************************************
<1b> name in the reply - this is the workgroup name. Add this to the unicast
subnet. This is expensive, so we only do this every 15 minutes.
**************************************************************************/
-
void collect_all_workgroup_names_from_wins_server(time_t t)
{
static time_t lastrun = 0;
find_all_domain_master_names_query_fail,
NULL);
}
+
+
+/****************************************************************************
+ If we are a domain master browser on the unicast subnet, do a regular sync
+ with all other DMBs that we know of on that subnet
+**************************************************************************/
+void sync_all_dmbs(time_t t)
+{
+ static time_t lastrun = 0;
+ struct work_record *work;
+
+ /* Only do this if we are using a WINS server. */
+ if(we_are_a_wins_client() == False)
+ return;
+
+ /* Check to see if we are a domain master browser on the
+ unicast subnet. */
+ work = find_workgroup_on_subnet(unicast_subnet, global_myworkgroup);
+ if (!work) return;
+
+ if (!AM_DOMAIN_MASTER_BROWSER(work))
+ return;
+
+ if ((lastrun != 0) && (t < lastrun + (15 * 60)))
+ return;
+
+
+ for (work=unicast_subnet->workgrouplist; work; work = work->next) {
+ if (strcmp(global_myworkgroup, work->work_group) &&
+ !ip_equal(work->dmb_addr, ipzero)) {
+ lastrun = t;
+
+ DEBUG(3,("initiating DMB<->DMB sync with %s(%s)\n",
+ work->dmb_name.name,
+ inet_ntoa(work->dmb_addr)));
+ sync_browse_lists(work,
+ work->dmb_name.name,
+ work->dmb_name.name_type,
+ work->dmb_addr, False, False);
+ }
+ }
+}
--- /dev/null
+/*
+ Unix SMB/Netbios implementation.
+ Version 1.9.
+ NBT netbios routines and daemon - version 2
+ Copyright (C) Andrew Tridgell 1994-1998
+ Copyright (C) Luke Kenneth Casson Leighton 1994-1998
+ Copyright (C) Jeremy Allison 1994-1998
+
+ 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.
+
+*/
+
+/* this file handles asynchronous browse synchronisation requests. The
+ requests are done by forking and putting the result in a file in the
+ locks directory. We do it this way because we don't want nmbd to be
+ blocked waiting for some server to respond on a TCP connection. This
+ also allows us to have more than 1 sync going at once (tridge) */
+
+#include "includes.h"
+#include "smb.h"
+
+extern int DEBUGLEVEL;
+
+struct sync_record {
+ struct sync_record *next, *prev;
+ fstring workgroup;
+ fstring server;
+ pstring fname;
+ struct in_addr ip;
+ int pid;
+};
+
+/* a linked list of current sync connections */
+static struct sync_record *syncs;
+
+static FILE *fp;
+
+/*******************************************************************
+ This is the NetServerEnum callback.
+ ******************************************************************/
+static void callback(char *sname, uint32 stype, char *comment)
+{
+ fprintf(fp,"\"%s\" %08X \"%s\"\n", sname, stype, comment);
+}
+
+
+/*******************************************************************
+ Synchronise browse lists with another browse server.
+ Log in on the remote server's SMB port to their IPC$ service,
+ do a NetServerEnum and record the results in fname
+******************************************************************/
+static void sync_child(char *name, int nm_type,
+ char *workgroup,
+ struct in_addr ip, BOOL local, BOOL servers,
+ char *fname)
+{
+ extern fstring local_machine;
+ static struct cli_state cli;
+ uint32 local_type = local ? SV_TYPE_LOCAL_LIST_ONLY : 0;
+
+ if (!cli_initialise(&cli) || !cli_connect(&cli, name, &ip)) {
+ fclose(fp);
+ return;
+ }
+
+ if (!cli_session_request(&cli, name, nm_type, local_machine)) {
+ cli_shutdown(&cli);
+ fclose(fp);
+ return;
+ }
+
+ if (!cli_negprot(&cli)) {
+ cli_shutdown(&cli);
+ return;
+ }
+
+ if (!cli_session_setup(&cli, "", "", 1, "", 0, workgroup)) {
+ cli_shutdown(&cli);
+ return;
+ }
+
+ if (!cli_send_tconX(&cli, "IPC$", "IPC", "", 1)) {
+ cli_shutdown(&cli);
+ return;
+ }
+
+ /* Fetch a workgroup list. */
+ cli_NetServerEnum(&cli, workgroup,
+ local_type|SV_TYPE_DOMAIN_ENUM,
+ callback);
+
+ /* Now fetch a server list. */
+ if (servers) {
+ cli_NetServerEnum(&cli, workgroup,
+ local?SV_TYPE_LOCAL_LIST_ONLY:SV_TYPE_ALL,
+ callback);
+ }
+
+ cli_shutdown(&cli);
+}
+
+
+/*******************************************************************
+ initialise a browse sync with another browse server. Log in on the
+ remote server's SMB port to their IPC$ service, do a NetServerEnum
+ and record the results
+******************************************************************/
+void sync_browse_lists(struct work_record *work,
+ char *name, int nm_type,
+ struct in_addr ip, BOOL local, BOOL servers)
+{
+ struct sync_record *s;
+ static int counter;
+
+ /* Check we're not trying to sync with ourselves. This can
+ happen if we are a domain *and* a local master browser. */
+ if (ismyip(ip)) {
+ return;
+ }
+
+ s = (struct sync_record *)malloc(sizeof(*s));
+ if (!s) return;
+
+ ZERO_STRUCTP(s);
+
+ fstrcpy(s->workgroup, work->work_group);
+ fstrcpy(s->server, name);
+ s->ip = ip;
+
+ slprintf(s->fname, sizeof(pstring)-1,
+ "%s/sync.%d", lp_lockdir(), counter++);
+ string_sub(s->fname,"//", "/");
+
+ DLIST_ADD(syncs, s);
+
+ /* the parent forks and returns, leaving the child to do the
+ actual sync */
+ CatchChild();
+ if ((s->pid = fork())) return;
+
+ DEBUG(2,("Initiating browse sync for %s to %s(%s)\n",
+ work->work_group, name, inet_ntoa(ip)));
+
+ fp = fopen(s->fname,"w");
+ if (!fp) _exit(1);
+
+ sync_child(name, nm_type, work->work_group, ip, local, servers,
+ s->fname);
+
+ fclose(fp);
+ _exit(0);
+}
+
+/**********************************************************************
+handle one line from a completed sync file
+ **********************************************************************/
+static void complete_one(struct sync_record *s,
+ char *sname, uint32 stype, char *comment)
+{
+ struct work_record *work;
+ struct server_record *servrec;
+
+ stype &= ~SV_TYPE_LOCAL_LIST_ONLY;
+
+ if (stype & SV_TYPE_DOMAIN_ENUM) {
+ /* See if we can find the workgroup on this subnet. */
+ if((work=find_workgroup_on_subnet(unicast_subnet, sname))) {
+ /* We already know about this workgroup -
+ update the ttl. */
+ update_workgroup_ttl(work,lp_max_ttl());
+ } else {
+ /* Create the workgroup on the subnet. */
+ work = create_workgroup_on_subnet(unicast_subnet,
+ sname, lp_max_ttl());
+ if (work) {
+ /* remember who the master is */
+ fstrcpy(work->local_master_browser_name,
+ comment);
+ }
+ }
+ return;
+ }
+
+ work = find_workgroup_on_subnet(unicast_subnet, s->workgroup);
+ if (!work) {
+ DEBUG(3,("workgroup %s doesn't exist on unicast subnet?\n",
+ s->workgroup));
+ return;
+ }
+
+ if ((servrec = find_server_in_workgroup( work, sname))) {
+ /* Check that this is not a locally known
+ server - if so ignore the entry. */
+ if(!(servrec->serv.type & SV_TYPE_LOCAL_LIST_ONLY)) {
+ /* We already know about this server - update
+ the ttl. */
+ update_server_ttl(servrec, lp_max_ttl());
+ /* Update the type. */
+ servrec->serv.type = stype;
+ }
+ return;
+ }
+
+ /* Create the server in the workgroup. */
+ create_server_on_workgroup(work, sname,stype, lp_max_ttl(), comment);
+}
+
+
+/**********************************************************************
+read the completed sync info
+ **********************************************************************/
+static void complete_sync(struct sync_record *s)
+{
+ FILE *f;
+ fstring server, type_str;
+ unsigned type;
+ pstring comment;
+ pstring line;
+ char *ptr;
+ int count=0;
+
+ f = fopen(s->fname,"r");
+
+ while (!feof(f)) {
+
+ if (!fgets_slash(line,sizeof(pstring),f)) continue;
+
+ ptr = line;
+
+ DEBUG(9,("sync line [%s]\n", line));
+
+ if (!next_token(&ptr,server,NULL) ||
+ !next_token(&ptr,type_str,NULL) ||
+ !next_token(&ptr,comment,NULL)) {
+ continue;
+ }
+
+ sscanf(type_str, "%X", &type);
+
+ complete_one(s, server, type, comment);
+
+ count++;
+ }
+
+ fclose(f);
+
+ unlink(s->fname);
+
+ DEBUG(2,("sync with %s(%s) for workgroup %s completed (%d records)\n",
+ s->server, inet_ntoa(s->ip), s->workgroup, count));
+}
+
+/**********************************************************************
+check for completion of any of the child processes
+ **********************************************************************/
+void sync_check_completion(void)
+{
+ struct sync_record *s, *next;
+
+ for (s=syncs;s;s=next) {
+ next = s->next;
+ if (!process_exists(s->pid)) {
+ /* it has completed - grab the info */
+ complete_sync(s);
+ DLIST_REMOVE(syncs, s);
+ ZERO_STRUCTP(s);
+ free(s);
+ }
+ }
+}
git.samba.org / kai / samba-autobuild / .git / commitdiff