summaryrefslogtreecommitdiff
path: root/source3/nmbd/nmbd_become_lmb.c
diff options
context:
space:
mode:
Diffstat (limited to 'source3/nmbd/nmbd_become_lmb.c')
-rw-r--r--source3/nmbd/nmbd_become_lmb.c688
1 files changed, 339 insertions, 349 deletions
diff --git a/source3/nmbd/nmbd_become_lmb.c b/source3/nmbd/nmbd_become_lmb.c
index d390bf72e9..2370c7ba36 100644
--- a/source3/nmbd/nmbd_become_lmb.c
+++ b/source3/nmbd/nmbd_become_lmb.c
@@ -3,7 +3,7 @@
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
+ Copyright (C) Jeremy Allison 1994-2003
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
@@ -33,21 +33,20 @@ extern uint16 samba_nb_type; /* Samba's NetBIOS name type. */
void insert_permanent_name_into_unicast( struct subnet_record *subrec,
struct nmb_name *nmbname, uint16 nb_type )
{
- struct name_record *namerec;
-
- if((namerec = find_name_on_subnet(unicast_subnet, nmbname, FIND_SELF_NAME)) == NULL)
- {
- /* The name needs to be created on the unicast subnet. */
- (void)add_name_to_subnet( unicast_subnet, nmbname->name,
- nmbname->name_type, nb_type,
- PERMANENT_TTL, PERMANENT_NAME, 1, &subrec->myip);
- }
- else
- {
- /* The name already exists on the unicast subnet. Add our local
- IP for the given broadcast subnet to the name. */
- add_ip_to_name_record( namerec, subrec->myip);
- }
+ nstring name;
+ struct name_record *namerec;
+
+ if((namerec = find_name_on_subnet(unicast_subnet, nmbname, FIND_SELF_NAME)) == NULL) {
+ pull_ascii_nstring(name, nmbname->name);
+ /* The name needs to be created on the unicast subnet. */
+ (void)add_name_to_subnet( unicast_subnet, name,
+ nmbname->name_type, nb_type,
+ PERMANENT_TTL, PERMANENT_NAME, 1, &subrec->myip);
+ } else {
+ /* The name already exists on the unicast subnet. Add our local
+ IP for the given broadcast subnet to the name. */
+ add_ip_to_name_record( namerec, subrec->myip);
+ }
}
/*******************************************************************
@@ -57,15 +56,14 @@ void insert_permanent_name_into_unicast( struct subnet_record *subrec,
static void remove_permanent_name_from_unicast( struct subnet_record *subrec,
struct nmb_name *nmbname )
{
- struct name_record *namerec;
-
- if((namerec = find_name_on_subnet(unicast_subnet, nmbname, FIND_SELF_NAME)) != NULL)
- {
- /* Remove this broadcast subnet IP address from the name. */
- remove_ip_from_name_record( namerec, subrec->myip);
- if(namerec->data.num_ips == 0)
- remove_name_from_namelist( unicast_subnet, namerec);
- }
+ struct name_record *namerec;
+
+ if((namerec = find_name_on_subnet(unicast_subnet, nmbname, FIND_SELF_NAME)) != NULL) {
+ /* Remove this broadcast subnet IP address from the name. */
+ remove_ip_from_name_record( namerec, subrec->myip);
+ if(namerec->data.num_ips == 0)
+ remove_name_from_namelist( unicast_subnet, namerec);
+ }
}
/*******************************************************************
@@ -73,60 +71,58 @@ static void remove_permanent_name_from_unicast( struct subnet_record *subrec,
state back to potential browser, or none.
******************************************************************/
-static void reset_workgroup_state( struct subnet_record *subrec, char *workgroup_name,
+static void reset_workgroup_state( struct subnet_record *subrec, const char *workgroup_name,
BOOL force_new_election )
{
- struct work_record *work;
- struct server_record *servrec;
- struct nmb_name nmbname;
+ struct work_record *work;
+ struct server_record *servrec;
+ struct nmb_name nmbname;
- if((work = find_workgroup_on_subnet( subrec, workgroup_name)) == NULL)
- {
- DEBUG(0,("reset_workgroup_state: Error - cannot find workgroup %s on \
+ if((work = find_workgroup_on_subnet( subrec, workgroup_name)) == NULL) {
+ DEBUG(0,("reset_workgroup_state: Error - cannot find workgroup %s on \
subnet %s.\n", workgroup_name, subrec->subnet_name ));
- return;
- }
+ return;
+ }
- if((servrec = find_server_in_workgroup( work, global_myname())) == NULL)
- {
- DEBUG(0,("reset_workgroup_state: Error - cannot find server %s \
+ if((servrec = find_server_in_workgroup( work, global_myname())) == NULL) {
+ DEBUG(0,("reset_workgroup_state: Error - cannot find server %s \
in workgroup %s on subnet %s\n",
- global_myname(), work->work_group, subrec->subnet_name));
- work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE;
- return;
- }
+ global_myname(), work->work_group, subrec->subnet_name));
+ work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE;
+ return;
+ }
- /* Update our server status - remove any master flag and replace
- it with the potential browser flag. */
- servrec->serv.type &= ~SV_TYPE_MASTER_BROWSER;
- servrec->serv.type |= (lp_local_master() ? SV_TYPE_POTENTIAL_BROWSER : 0);
+ /* Update our server status - remove any master flag and replace
+ it with the potential browser flag. */
+ servrec->serv.type &= ~SV_TYPE_MASTER_BROWSER;
+ servrec->serv.type |= (lp_local_master() ? SV_TYPE_POTENTIAL_BROWSER : 0);
- /* Tell the namelist writer to write out a change. */
- subrec->work_changed = True;
+ /* Tell the namelist writer to write out a change. */
+ subrec->work_changed = True;
- /* Reset our election flags. */
- work->ElectionCriterion &= ~0x4;
+ /* Reset our election flags. */
+ work->ElectionCriterion &= ~0x4;
- work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE;
+ work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE;
- /* Forget who the local master browser was for
- this workgroup. */
+ /* Forget who the local master browser was for
+ this workgroup. */
- set_workgroup_local_master_browser_name( work, "");
+ set_workgroup_local_master_browser_name( work, "");
- /*
- * Ensure the IP address of this subnet is not registered as one
- * of the IP addresses of the WORKGROUP<1d> name on the unicast
- * subnet. This undoes what we did below when we became a local
- * master browser.
- */
+ /*
+ * Ensure the IP address of this subnet is not registered as one
+ * of the IP addresses of the WORKGROUP<1d> name on the unicast
+ * subnet. This undoes what we did below when we became a local
+ * master browser.
+ */
- make_nmb_name(&nmbname, work->work_group, 0x1d);
+ make_nmb_name(&nmbname, work->work_group, 0x1d);
- remove_permanent_name_from_unicast( subrec, &nmbname);
+ remove_permanent_name_from_unicast( subrec, &nmbname);
- if(force_new_election)
- work->needelection = True;
+ if(force_new_election)
+ work->needelection = True;
}
/*******************************************************************
@@ -138,24 +134,25 @@ static void unbecome_local_master_success(struct subnet_record *subrec,
struct nmb_name *released_name,
struct in_addr released_ip)
{
- BOOL force_new_election = False;
+ BOOL force_new_election = False;
+ nstring relname;
- memcpy((char *)&force_new_election, userdata->data, sizeof(BOOL));
+ memcpy((char *)&force_new_election, userdata->data, sizeof(BOOL));
- DEBUG(3,("unbecome_local_master_success: released name %s.\n",
- nmb_namestr(released_name)));
+ DEBUG(3,("unbecome_local_master_success: released name %s.\n",
+ nmb_namestr(released_name)));
- /* Now reset the workgroup and server state. */
- reset_workgroup_state( subrec, released_name->name, force_new_election );
+ /* Now reset the workgroup and server state. */
+ pull_ascii_nstring(relname, released_name->name);
+ reset_workgroup_state( subrec, relname, force_new_election );
- if( DEBUGLVL( 0 ) )
- {
- dbgtext( "*****\n\n" );
- dbgtext( "Samba name server %s ", global_myname() );
- dbgtext( "has stopped being a local master browser " );
- dbgtext( "for workgroup %s ", released_name->name );
- dbgtext( "on subnet %s\n\n*****\n", subrec->subnet_name );
- }
+ if( DEBUGLVL( 0 ) ) {
+ dbgtext( "*****\n\n" );
+ dbgtext( "Samba name server %s ", global_myname() );
+ dbgtext( "has stopped being a local master browser " );
+ dbgtext( "for workgroup %s ", relname );
+ dbgtext( "on subnet %s\n\n*****\n", subrec->subnet_name );
+ }
}
@@ -166,67 +163,66 @@ static void unbecome_local_master_success(struct subnet_record *subrec,
static void unbecome_local_master_fail(struct subnet_record *subrec, struct response_record *rrec,
struct nmb_name *fail_name)
{
- struct name_record *namerec;
- struct userdata_struct *userdata = rrec->userdata;
- BOOL force_new_election = False;
+ struct name_record *namerec;
+ struct userdata_struct *userdata = rrec->userdata;
+ BOOL force_new_election = False;
+ nstring failname;
- memcpy((char *)&force_new_election, userdata->data, sizeof(BOOL));
+ memcpy((char *)&force_new_election, userdata->data, sizeof(BOOL));
- DEBUG(0,("unbecome_local_master_fail: failed to release name %s. \
+ DEBUG(0,("unbecome_local_master_fail: failed to release name %s. \
Removing from namelist anyway.\n", nmb_namestr(fail_name)));
- /* Do it anyway. */
- namerec = find_name_on_subnet(subrec, fail_name, FIND_SELF_NAME);
- if(namerec)
- remove_name_from_namelist(subrec, namerec);
-
- /* Now reset the workgroup and server state. */
- reset_workgroup_state( subrec, fail_name->name, force_new_election );
-
- if( DEBUGLVL( 0 ) )
- {
- dbgtext( "*****\n\n" );
- dbgtext( "Samba name server %s ", global_myname() );
- dbgtext( "has stopped being a local master browser " );
- dbgtext( "for workgroup %s ", fail_name->name );
- dbgtext( "on subnet %s\n\n*****\n", subrec->subnet_name );
- }
+ /* Do it anyway. */
+ namerec = find_name_on_subnet(subrec, fail_name, FIND_SELF_NAME);
+ if(namerec)
+ remove_name_from_namelist(subrec, namerec);
+
+ /* Now reset the workgroup and server state. */
+ pull_ascii_nstring(failname, fail_name->name);
+ reset_workgroup_state( subrec, failname, force_new_election );
+
+ if( DEBUGLVL( 0 ) ) {
+ dbgtext( "*****\n\n" );
+ dbgtext( "Samba name server %s ", global_myname() );
+ dbgtext( "has stopped being a local master browser " );
+ dbgtext( "for workgroup %s ", failname );
+ dbgtext( "on subnet %s\n\n*****\n", subrec->subnet_name );
+ }
}
/*******************************************************************
Utility function to remove the WORKGROUP<1d> name.
******************************************************************/
-static void release_1d_name( struct subnet_record *subrec, char *workgroup_name,
+static void release_1d_name( struct subnet_record *subrec, const char *workgroup_name,
BOOL force_new_election)
{
- struct nmb_name nmbname;
- struct name_record *namerec;
-
- make_nmb_name(&nmbname, workgroup_name, 0x1d);
- if((namerec = find_name_on_subnet( subrec, &nmbname, FIND_SELF_NAME))!=NULL)
- {
- struct userdata_struct *userdata;
- size_t size = sizeof(struct userdata_struct) + sizeof(BOOL);
-
- if((userdata = (struct userdata_struct *)malloc(size)) == NULL)
- {
- DEBUG(0,("release_1d_name: malloc fail.\n"));
- return;
- }
-
- userdata->copy_fn = NULL;
- userdata->free_fn = NULL;
- userdata->userdata_len = sizeof(BOOL);
- memcpy((char *)userdata->data, &force_new_election, sizeof(BOOL));
-
- release_name(subrec, namerec,
- unbecome_local_master_success,
- unbecome_local_master_fail,
- userdata);
-
- zero_free(userdata, size);
- }
+ struct nmb_name nmbname;
+ struct name_record *namerec;
+
+ make_nmb_name(&nmbname, workgroup_name, 0x1d);
+ if((namerec = find_name_on_subnet( subrec, &nmbname, FIND_SELF_NAME))!=NULL) {
+ struct userdata_struct *userdata;
+ size_t size = sizeof(struct userdata_struct) + sizeof(BOOL);
+
+ if((userdata = (struct userdata_struct *)malloc(size)) == NULL) {
+ DEBUG(0,("release_1d_name: malloc fail.\n"));
+ return;
+ }
+
+ userdata->copy_fn = NULL;
+ userdata->free_fn = NULL;
+ userdata->userdata_len = sizeof(BOOL);
+ memcpy((char *)userdata->data, &force_new_election, sizeof(BOOL));
+
+ release_name(subrec, namerec,
+ unbecome_local_master_success,
+ unbecome_local_master_fail,
+ userdata);
+
+ zero_free(userdata, size);
+ }
}
/*******************************************************************
@@ -238,11 +234,11 @@ static void release_msbrowse_name_success(struct subnet_record *subrec,
struct nmb_name *released_name,
struct in_addr released_ip)
{
- DEBUG(4,("release_msbrowse_name_success: Released name %s on subnet %s\n.",
- nmb_namestr(released_name), subrec->subnet_name ));
+ DEBUG(4,("release_msbrowse_name_success: Released name %s on subnet %s\n.",
+ nmb_namestr(released_name), subrec->subnet_name ));
- /* Remove the permanent MSBROWSE name added into the unicast subnet. */
- remove_permanent_name_from_unicast( subrec, released_name);
+ /* Remove the permanent MSBROWSE name added into the unicast subnet. */
+ remove_permanent_name_from_unicast( subrec, released_name);
}
/*******************************************************************
@@ -253,18 +249,18 @@ static void release_msbrowse_name_fail( struct subnet_record *subrec,
struct response_record *rrec,
struct nmb_name *fail_name)
{
- struct name_record *namerec;
+ struct name_record *namerec;
- DEBUG(4,("release_msbrowse_name_fail: Failed to release name %s on subnet %s\n.",
- nmb_namestr(fail_name), subrec->subnet_name ));
+ DEBUG(4,("release_msbrowse_name_fail: Failed to release name %s on subnet %s\n.",
+ nmb_namestr(fail_name), subrec->subnet_name ));
- /* Release the name anyway. */
- namerec = find_name_on_subnet(subrec, fail_name, FIND_SELF_NAME);
- if(namerec)
- remove_name_from_namelist(subrec, namerec);
+ /* Release the name anyway. */
+ namerec = find_name_on_subnet(subrec, fail_name, FIND_SELF_NAME);
+ if(namerec)
+ remove_name_from_namelist(subrec, namerec);
- /* Remove the permanent MSBROWSE name added into the unicast subnet. */
- remove_permanent_name_from_unicast( subrec, fail_name);
+ /* Remove the permanent MSBROWSE name added into the unicast subnet. */
+ remove_permanent_name_from_unicast( subrec, fail_name);
}
/*******************************************************************
@@ -275,50 +271,48 @@ static void release_msbrowse_name_fail( struct subnet_record *subrec,
void unbecome_local_master_browser(struct subnet_record *subrec, struct work_record *work,
BOOL force_new_election)
{
- struct name_record *namerec;
- struct nmb_name nmbname;
+ struct name_record *namerec;
+ struct nmb_name nmbname;
/* Sanity check. */
- DEBUG(2,("unbecome_local_master_browser: unbecoming local master for workgroup %s \
+ DEBUG(2,("unbecome_local_master_browser: unbecoming local master for workgroup %s \
on subnet %s\n",work->work_group, subrec->subnet_name));
- if(find_server_in_workgroup( work, global_myname()) == NULL)
- {
- DEBUG(0,("unbecome_local_master_browser: Error - cannot find server %s \
+ if(find_server_in_workgroup( work, global_myname()) == NULL) {
+ DEBUG(0,("unbecome_local_master_browser: Error - cannot find server %s \
in workgroup %s on subnet %s\n",
- global_myname(), work->work_group, subrec->subnet_name));
- work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE;
- return;
- }
+ global_myname(), work->work_group, subrec->subnet_name));
+ work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE;
+ return;
+ }
- /* Set the state to unbecoming. */
- work->mst_state = MST_UNBECOMING_MASTER;
-
- /*
- * Release the WORKGROUP<1d> name asap to allow another machine to
- * claim it.
- */
-
- release_1d_name( subrec, work->work_group, force_new_election);
-
- /* Deregister any browser names we may have. */
- make_nmb_name(&nmbname, MSBROWSE, 0x1);
- if((namerec = find_name_on_subnet( subrec, &nmbname, FIND_SELF_NAME))!=NULL)
- {
- release_name(subrec, namerec,
- release_msbrowse_name_success,
- release_msbrowse_name_fail,
- NULL);
- }
-
- /*
- * Ensure we have sent and processed these release packets
- * before returning - we don't want to process any election
- * packets before dealing with the 1d release.
- */
-
- retransmit_or_expire_response_records(time(NULL));
+ /* Set the state to unbecoming. */
+ work->mst_state = MST_UNBECOMING_MASTER;
+
+ /*
+ * Release the WORKGROUP<1d> name asap to allow another machine to
+ * claim it.
+ */
+
+ release_1d_name( subrec, work->work_group, force_new_election);
+
+ /* Deregister any browser names we may have. */
+ make_nmb_name(&nmbname, MSBROWSE, 0x1);
+ if((namerec = find_name_on_subnet( subrec, &nmbname, FIND_SELF_NAME))!=NULL) {
+ release_name(subrec, namerec,
+ release_msbrowse_name_success,
+ release_msbrowse_name_fail,
+ NULL);
+ }
+
+ /*
+ * Ensure we have sent and processed these release packets
+ * before returning - we don't want to process any election
+ * packets before dealing with the 1d release.
+ */
+
+ retransmit_or_expire_response_records(time(NULL));
}
/****************************************************************************
@@ -332,104 +326,107 @@ static void become_local_master_stage2(struct subnet_record *subrec,
uint16 nb_flags,
int ttl, struct in_addr registered_ip)
{
- int i = 0;
- struct server_record *sl;
- struct work_record *work = find_workgroup_on_subnet( subrec, registered_name->name);
- struct server_record *servrec;
-
- if(!work)
- {
- DEBUG(0,("become_local_master_stage2: Error - cannot find \
-workgroup %s on subnet %s\n", registered_name->name, subrec->subnet_name));
- return;
- }
-
- if((servrec = find_server_in_workgroup( work, global_myname())) == NULL)
- {
- DEBUG(0,("become_local_master_stage2: Error - cannot find server %s \
+ int i = 0;
+ struct server_record *sl;
+ struct work_record *work;
+ struct server_record *servrec;
+ nstring regname;
+
+ pull_ascii_nstring(regname, registered_name->name);
+ work = find_workgroup_on_subnet( subrec, regname);
+
+ if(!work) {
+ DEBUG(0,("become_local_master_stage2: Error - cannot find \
+workgroup %s on subnet %s\n", regname, subrec->subnet_name));
+ return;
+ }
+
+ if((servrec = find_server_in_workgroup( work, global_myname())) == NULL) {
+ DEBUG(0,("become_local_master_stage2: Error - cannot find server %s \
in workgroup %s on subnet %s\n",
- global_myname(), registered_name->name, subrec->subnet_name));
- work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE;
- return;
- }
+ global_myname(), regname, subrec->subnet_name));
+ work->mst_state = lp_local_master() ? MST_POTENTIAL : MST_NONE;
+ return;
+ }
- DEBUG(3,("become_local_master_stage2: registered as master browser for workgroup %s \
+ DEBUG(3,("become_local_master_stage2: registered as master browser for workgroup %s \
on subnet %s\n", work->work_group, subrec->subnet_name));
- work->mst_state = MST_BROWSER; /* registering WORKGROUP(1d) succeeded */
-
- /* update our server status */
- servrec->serv.type |= SV_TYPE_MASTER_BROWSER;
- servrec->serv.type &= ~SV_TYPE_POTENTIAL_BROWSER;
-
- /* Tell the namelist writer to write out a change. */
- subrec->work_changed = True;
-
- /* Add this name to the workgroup as local master browser. */
- set_workgroup_local_master_browser_name( work, global_myname());
-
- /* Count the number of servers we have on our list. If it's
- less than 10 (just a heuristic) request the servers
- to announce themselves.
- */
- for( sl = work->serverlist; sl != NULL; sl = sl->next)
- i++;
-
- if (i < 10)
- {
- /* Ask all servers on our local net to announce to us. */
- broadcast_announce_request(subrec, work);
- }
-
- /*
- * Now we are a local master on a broadcast subnet, we need to add
- * the WORKGROUP<1d> name to the unicast subnet so that we can answer
- * unicast requests sent to this name. We can create this name directly on
- * the unicast subnet as a WINS server always returns true when registering
- * this name, and discards the registration. We use the number of IP
- * addresses registered to this name as a reference count, as we
- * remove this broadcast subnet IP address from it when we stop becoming a local
- * master browser for this broadcast subnet.
- */
-
- insert_permanent_name_into_unicast( subrec, registered_name, nb_flags);
-
- /* Reset the announce master browser timer so that we try and tell a domain
- master browser as soon as possible that we are a local master browser. */
- reset_announce_timer();
-
- if( DEBUGLVL( 0 ) )
- {
- dbgtext( "*****\n\n" );
- dbgtext( "Samba name server %s ", global_myname() );
- dbgtext( "is now a local master browser " );
- dbgtext( "for workgroup %s ", work->work_group );
- dbgtext( "on subnet %s\n\n*****\n", subrec->subnet_name );
- }
-
+ work->mst_state = MST_BROWSER; /* registering WORKGROUP(1d) succeeded */
+
+ /* update our server status */
+ servrec->serv.type |= SV_TYPE_MASTER_BROWSER;
+ servrec->serv.type &= ~SV_TYPE_POTENTIAL_BROWSER;
+
+ /* Tell the namelist writer to write out a change. */
+ subrec->work_changed = True;
+
+ /* Add this name to the workgroup as local master browser. */
+ set_workgroup_local_master_browser_name( work, global_myname());
+
+ /* Count the number of servers we have on our list. If it's
+ less than 10 (just a heuristic) request the servers
+ to announce themselves.
+ */
+ for( sl = work->serverlist; sl != NULL; sl = sl->next)
+ i++;
+
+ if (i < 10) {
+ /* Ask all servers on our local net to announce to us. */
+ broadcast_announce_request(subrec, work);
+ }
+
+ /*
+ * Now we are a local master on a broadcast subnet, we need to add
+ * the WORKGROUP<1d> name to the unicast subnet so that we can answer
+ * unicast requests sent to this name. We can create this name directly on
+ * the unicast subnet as a WINS server always returns true when registering
+ * this name, and discards the registration. We use the number of IP
+ * addresses registered to this name as a reference count, as we
+ * remove this broadcast subnet IP address from it when we stop becoming a local
+ * master browser for this broadcast subnet.
+ */
+
+ insert_permanent_name_into_unicast( subrec, registered_name, nb_flags);
+
+ /* Reset the announce master browser timer so that we try and tell a domain
+ master browser as soon as possible that we are a local master browser. */
+ reset_announce_timer();
+
+ if( DEBUGLVL( 0 ) ) {
+ dbgtext( "*****\n\n" );
+ dbgtext( "Samba name server %s ", global_myname() );
+ dbgtext( "is now a local master browser " );
+ dbgtext( "for workgroup %s ", work->work_group );
+ dbgtext( "on subnet %s\n\n*****\n", subrec->subnet_name );
+ }
}
/****************************************************************************
Failed to register the WORKGROUP<1d> name.
****************************************************************************/
+
static void become_local_master_fail2(struct subnet_record *subrec,
struct response_record *rrec,
struct nmb_name *fail_name)
{
- struct work_record *work = find_workgroup_on_subnet( subrec, fail_name->name);
+ nstring failname;
+ struct work_record *work;
- DEBUG(0,("become_local_master_fail2: failed to register name %s on subnet %s. \
+ DEBUG(0,("become_local_master_fail2: failed to register name %s on subnet %s. \
Failed to become a local master browser.\n", nmb_namestr(fail_name), subrec->subnet_name));
- if(!work)
- {
- DEBUG(0,("become_local_master_fail2: Error - cannot find \
-workgroup %s on subnet %s\n", fail_name->name, subrec->subnet_name));
- return;
- }
+ pull_ascii_nstring(failname, fail_name->name);
+ work = find_workgroup_on_subnet( subrec, failname);
- /* Roll back all the way by calling unbecome_local_master_browser(). */
- unbecome_local_master_browser(subrec, work, False);
+ if(!work) {
+ DEBUG(0,("become_local_master_fail2: Error - cannot find \
+workgroup %s on subnet %s\n", failname, subrec->subnet_name));
+ return;
+ }
+
+ /* Roll back all the way by calling unbecome_local_master_browser(). */
+ unbecome_local_master_browser(subrec, work, False);
}
/****************************************************************************
@@ -442,35 +439,34 @@ static void become_local_master_stage1(struct subnet_record *subrec,
uint16 nb_flags,
int ttl, struct in_addr registered_ip)
{
- char *work_name = userdata->data;
- struct work_record *work = find_workgroup_on_subnet( subrec, work_name);
-
- if(!work)
- {
- DEBUG(0,("become_local_master_stage1: Error - cannot find \
-workgroup %s on subnet %s\n", work_name, subrec->subnet_name));
- return;
- }
-
- DEBUG(3,("become_local_master_stage1: go to stage 2: register the %s<1d> name.\n",
- work->work_group));
-
- work->mst_state = MST_MSB; /* Registering MSBROWSE was successful. */
-
- /*
- * We registered the MSBROWSE name on a broadcast subnet, now need to add
- * the MSBROWSE name to the unicast subnet so that we can answer
- * unicast requests sent to this name. We create this name directly on
- * the unicast subnet.
- */
-
- insert_permanent_name_into_unicast( subrec, registered_name, nb_flags);
-
- /* Attempt to register the WORKGROUP<1d> name. */
- register_name(subrec, work->work_group,0x1d,samba_nb_type,
- become_local_master_stage2,
- become_local_master_fail2,
- NULL);
+ char *work_name = userdata->data;
+ struct work_record *work = find_workgroup_on_subnet( subrec, work_name);
+
+ if(!work) {
+ DEBUG(0,("become_local_master_stage1: Error - cannot find \
+ %s on subnet %s\n", work_name, subrec->subnet_name));
+ return;
+ }
+
+ DEBUG(3,("become_local_master_stage1: go to stage 2: register the %s<1d> name.\n",
+ work->work_group));
+
+ work->mst_state = MST_MSB; /* Registering MSBROWSE was successful. */
+
+ /*
+ * We registered the MSBROWSE name on a broadcast subnet, now need to add
+ * the MSBROWSE name to the unicast subnet so that we can answer
+ * unicast requests sent to this name. We create this name directly on
+ * the unicast subnet.
+ */
+
+ insert_permanent_name_into_unicast( subrec, registered_name, nb_flags);
+
+ /* Attempt to register the WORKGROUP<1d> name. */
+ register_name(subrec, work->work_group,0x1d,samba_nb_type,
+ become_local_master_stage2,
+ become_local_master_fail2,
+ NULL);
}
/****************************************************************************
@@ -481,29 +477,27 @@ static void become_local_master_fail1(struct subnet_record *subrec,
struct response_record *rrec,
struct nmb_name *fail_name)
{
- char *work_name = rrec->userdata->data;
- struct work_record *work = find_workgroup_on_subnet(subrec, work_name);
+ char *work_name = rrec->userdata->data;
+ struct work_record *work = find_workgroup_on_subnet(subrec, work_name);
- if(!work)
- {
- DEBUG(0,("become_local_master_fail1: Error - cannot find \
+ if(!work) {
+ DEBUG(0,("become_local_master_fail1: Error - cannot find \
workgroup %s on subnet %s\n", work_name, subrec->subnet_name));
- return;
- }
+ return;
+ }
- if(find_server_in_workgroup(work, global_myname()) == NULL)
- {
- DEBUG(0,("become_local_master_fail1: Error - cannot find server %s \
+ if(find_server_in_workgroup(work, global_myname()) == NULL) {
+ DEBUG(0,("become_local_master_fail1: Error - cannot find server %s \
in workgroup %s on subnet %s\n",
- global_myname(), work->work_group, subrec->subnet_name));
- return;
- }
+ global_myname(), work->work_group, subrec->subnet_name));
+ return;
+ }
- reset_workgroup_state( subrec, work->work_group, False );
+ reset_workgroup_state( subrec, work->work_group, False );
- DEBUG(0,("become_local_master_fail1: Failed to become a local master browser for \
+ DEBUG(0,("become_local_master_fail1: Failed to become a local master browser for \
workgroup %s on subnet %s. Couldn't register name %s.\n",
- work->work_group, subrec->subnet_name, nmb_namestr(fail_name)));
+ work->work_group, subrec->subnet_name, nmb_namestr(fail_name)));
}
/******************************************************************
@@ -517,61 +511,57 @@ workgroup %s on subnet %s. Couldn't register name %s.\n",
void become_local_master_browser(struct subnet_record *subrec, struct work_record *work)
{
- struct userdata_struct *userdata;
- size_t size = sizeof(struct userdata_struct) + sizeof(fstring) + 1;
-
- /* Sanity check. */
- if (!lp_local_master())
- {
- DEBUG(0,("become_local_master_browser: Samba not configured as a local master browser.\n"));
- return;
- }
-
- if(!AM_POTENTIAL_MASTER_BROWSER(work))
- {
- DEBUG(2,("become_local_master_browser: Awaiting potential browser state. Current state is %d\n",
- work->mst_state ));
- return;
- }
-
- if(find_server_in_workgroup( work, global_myname()) == NULL)
- {
- DEBUG(0,("become_local_master_browser: Error - cannot find server %s \
+ struct userdata_struct *userdata;
+ size_t size = sizeof(struct userdata_struct) + sizeof(fstring) + 1;
+
+ /* Sanity check. */
+ if (!lp_local_master()) {
+ DEBUG(0,("become_local_master_browser: Samba not configured as a local master browser.\n"));
+ return;
+ }
+
+ if(!AM_POTENTIAL_MASTER_BROWSER(work)) {
+ DEBUG(2,("become_local_master_browser: Awaiting potential browser state. Current state is %d\n",
+ work->mst_state ));
+ return;
+ }
+
+ if(find_server_in_workgroup( work, global_myname()) == NULL) {
+ DEBUG(0,("become_local_master_browser: Error - cannot find server %s \
in workgroup %s on subnet %s\n",
- global_myname(), work->work_group, subrec->subnet_name));
- return;
- }
+ global_myname(), work->work_group, subrec->subnet_name));
+ return;
+ }
- DEBUG(2,("become_local_master_browser: Starting to become a master browser for workgroup \
+ DEBUG(2,("become_local_master_browser: Starting to become a master browser for workgroup \
%s on subnet %s\n", work->work_group, subrec->subnet_name));
- DEBUG(3,("become_local_master_browser: first stage - attempt to register ^1^2__MSBROWSE__^2^1\n"));
- work->mst_state = MST_BACKUP; /* an election win was successful */
+ DEBUG(3,("become_local_master_browser: first stage - attempt to register ^1^2__MSBROWSE__^2^1\n"));
+ work->mst_state = MST_BACKUP; /* an election win was successful */
- work->ElectionCriterion |= 0x5;
+ work->ElectionCriterion |= 0x5;
- /* Tell the namelist writer to write out a change. */
- subrec->work_changed = True;
+ /* Tell the namelist writer to write out a change. */
+ subrec->work_changed = True;
- /* Setup the userdata_struct. */
- if((userdata = (struct userdata_struct *)malloc(size)) == NULL)
- {
- DEBUG(0,("become_local_master_browser: malloc fail.\n"));
- return;
- }
+ /* Setup the userdata_struct. */
+ if((userdata = (struct userdata_struct *)malloc(size)) == NULL) {
+ DEBUG(0,("become_local_master_browser: malloc fail.\n"));
+ return;
+ }
- userdata->copy_fn = NULL;
- userdata->free_fn = NULL;
- userdata->userdata_len = strlen(work->work_group)+1;
- overmalloc_safe_strcpy(userdata->data, work->work_group, size - sizeof(*userdata) - 1);
+ userdata->copy_fn = NULL;
+ userdata->free_fn = NULL;
+ userdata->userdata_len = strlen(work->work_group)+1;
+ overmalloc_safe_strcpy(userdata->data, work->work_group, size - sizeof(*userdata) - 1);
- /* Register the special browser group name. */
- register_name(subrec, MSBROWSE, 0x01, samba_nb_type|NB_GROUP,
- become_local_master_stage1,
- become_local_master_fail1,
- userdata);
+ /* Register the special browser group name. */
+ register_name(subrec, MSBROWSE, 0x01, samba_nb_type|NB_GROUP,
+ become_local_master_stage1,
+ become_local_master_fail1,
+ userdata);
- zero_free(userdata, size);
+ zero_free(userdata, size);
}
/***************************************************************
@@ -583,7 +573,7 @@ in workgroup %s on subnet %s\n",
void set_workgroup_local_master_browser_name( struct work_record *work, const char *newname)
{
- DEBUG(5,("set_workgroup_local_master_browser_name: setting local master name to '%s' \
+ DEBUG(5,("set_workgroup_local_master_browser_name: setting local master name to '%s' \
for workgroup %s.\n", newname, work->work_group ));
#if 0
@@ -600,5 +590,5 @@ local_master_browser_name for workgroup %s to workgroup name.\n",
}
#endif
- fstrcpy(work->local_master_browser_name, newname);
+ nstrcpy(work->local_master_browser_name, newname);
}