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authorSamba Release Account <samba-bugs@samba.org>1997-04-09 01:19:25 +0000
committerSamba Release Account <samba-bugs@samba.org>1997-04-09 01:19:25 +0000
commit20b5dea237916902437ce3dcdb7c253fd1ad3585 (patch)
treee68a033a708efed2c93c95a73da978ebf9221c34 /source3/nameresp.c
parent02e610b927c9038cf498f726d807ee95a14714be (diff)
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Large changes from jra@cygnus.com. Mainly browser updates.
access.c: Fixed crash if yp domain unavailable. includes.h: Moved ifdefs for minor platform. interface.c: Changed name of ipgrp to wins_ip to make it clearer. loadparm.c: Changed default of wins support to 'no'. nameannounce.c: Many changes to fix cross subnet browsing. namebrowse.c: Many changes to fix cross subnet browsing. namedbname.c: Many changes to fix cross subnet browsing. namedbresp.c: Many changes to fix cross subnet browsing. namedbsubnet.c: Many changes to fix cross subnet browsing. namedbwork.c: Many changes to fix cross subnet browsing. nameelect.c: Many changes to fix cross subnet browsing. namelogon.c: Many changes to fix cross subnet browsing. namepacket.c: Many changes to fix cross subnet browsing. nameresp.c: Many changes to fix cross subnet browsing. nameserv.c: Many changes to fix cross subnet browsing. nameserv.h: Many changes to fix cross subnet browsing. nameservreply.c: Many changes to fix cross subnet browsing. nameservresp.c: Many changes to fix cross subnet browsing. namework.c: Many changes to fix cross subnet browsing. nmbd.c: Change to search wins subnet. nmbsync.c: Change to check if we are any master before proceeding. proto.h: Added find_subnet_all() and check_work_servertype(). util.c: Moved 'done' settings on name resolution. (This used to be commit a82476eee2c521e5eed092bc367da0a7cef23de1)
Diffstat (limited to 'source3/nameresp.c')
-rw-r--r--source3/nameresp.c257
1 files changed, 128 insertions, 129 deletions
diff --git a/source3/nameresp.c b/source3/nameresp.c
index b920742c76..fab16038ce 100644
--- a/source3/nameresp.c
+++ b/source3/nameresp.c
@@ -33,7 +33,7 @@ extern int DEBUGLEVEL;
extern pstring scope;
extern struct in_addr ipzero;
-extern struct in_addr ipgrp;
+extern struct in_addr wins_ip;
/***************************************************************************
@@ -51,146 +51,146 @@ static void dead_netbios_entry(struct subnet_record *d,
{
case NAME_QUERY_CONFIRM:
{
- if (!lp_wins_support()) return; /* only if we're a WINS server */
-
- if (n->num_msgs == 0)
+ if (!lp_wins_support()) return; /* only if we're a WINS server */
+
+ if (n->num_msgs == 0)
{
- /* oops. name query had no response. check that the name is
- unique and then remove it from our WINS database */
-
- /* IMPORTANT: see query_refresh_names() */
-
- if ((!NAME_GROUP(n->nb_flags)))
- {
- struct subnet_record *d1 = find_subnet(ipgrp);
- if (d1)
- {
- /* remove the name that had been registered with us,
- and we're now getting no response when challenging.
- see rfc1001.txt 15.5.2
- */
- remove_netbios_name(d1, n->name.name, n->name.name_type,
- REGISTER, n->send_ip);
- }
- }
+ /* oops. name query had no response. check that the name is
+ unique and then remove it from our WINS database */
+
+ /* IMPORTANT: see query_refresh_names() */
+
+ if ((!NAME_GROUP(n->nb_flags)))
+ {
+ struct subnet_record *d1 = find_subnet(wins_ip);
+ if (d1)
+ {
+ /* remove the name that had been registered with us,
+ and we're now getting no response when challenging.
+ see rfc1001.txt 15.5.2
+ */
+ remove_netbios_name(d1, n->name.name, n->name.name_type,
+ REGISTER, n->send_ip);
}
- break;
+ }
+ }
+ break;
}
-
- case NAME_QUERY_MST_CHK:
+
+ case NAME_QUERY_MST_CHK:
+ {
+ /* if no response received, the master browser must have gone
+ down on that subnet, without telling anyone. */
+
+ /* IMPORTANT: see response_netbios_packet() */
+
+ if (n->num_msgs == 0)
+ browser_gone(n->name.name, n->send_ip);
+ break;
+ }
+
+ case NAME_RELEASE:
+ {
+ /* if no response received, it must be OK for us to release the
+ name. nobody objected (including a potentially dead or deaf
+ WINS server) */
+
+ /* IMPORTANT: see response_name_release() */
+
+ if (ismyip(n->send_ip))
{
- /* if no response received, the master browser must have gone
- down on that subnet, without telling anyone. */
-
- /* IMPORTANT: see response_netbios_packet() */
-
- if (n->num_msgs == 0)
- browser_gone(n->name.name, n->send_ip);
- break;
+ name_unregister_work(d,n->name.name,n->name.name_type);
}
-
- case NAME_RELEASE:
+ if (!n->bcast && n->num_msgs == 0)
{
- /* if no response received, it must be OK for us to release the
- name. nobody objected (including a potentially dead or deaf
- WINS server) */
-
- /* IMPORTANT: see response_name_release() */
-
- if (ismyip(n->send_ip))
- {
- name_unregister_work(d,n->name.name,n->name.name_type);
- }
- if (!n->bcast && n->num_msgs == 0)
- {
- DEBUG(0,("WINS server did not respond to name release!\n"));
- /* XXXX whoops. we have problems. must deal with this */
- }
- break;
+ DEBUG(0,("WINS server did not respond to name release!\n"));
+ /* XXXX whoops. we have problems. must deal with this */
}
-
- case NAME_REGISTER_CHALLENGE:
- {
- /* name challenge: no reply. we can reply to the person that
- wanted the unique name and tell them that they can have it
- */
-
- add_name_respond(d,n->fd,d->myip, n->response_id ,&n->name,
- n->nb_flags, GET_TTL(0),
- n->reply_to_ip, False, n->reply_to_ip);
-
- if (!n->bcast && n->num_msgs == 0)
- {
- DEBUG(1,("WINS server did not respond to name registration!\n"));
- /* XXXX whoops. we have problems. must deal with this */
- }
break;
+ }
+
+ case NAME_REGISTER_CHALLENGE:
+ {
+ /* name challenge: no reply. we can reply to the person that
+ wanted the unique name and tell them that they can have it
+ */
+
+ add_name_respond(d,n->fd,d->myip, n->response_id ,&n->name,
+ n->nb_flags, GET_TTL(0),
+ n->reply_to_ip, False, n->reply_to_ip);
+
+ if (!n->bcast && n->num_msgs == 0)
+ {
+ DEBUG(1,("WINS server did not respond to name registration!\n"));
+ /* XXXX whoops. we have problems. must deal with this */
}
-
- case NAME_REGISTER:
+ break;
+ }
+
+ case NAME_REGISTER:
+ {
+ /* if no response received, and we are using a broadcast registration
+ method, it must be OK for us to register the name: nobody objected
+ on that subnet. if we are using a WINS server, then the WINS
+ server must be dead or deaf.
+ */
+ if (n->num_msgs == 0)
{
- /* if no response received, and we are using a broadcast registration
- method, it must be OK for us to register the name: nobody objected
- on that subnet. if we are using a WINS server, then the WINS
- server must be dead or deaf.
- */
- if (n->num_msgs == 0)
- {
- if (n->bcast)
+ if (n->bcast)
{
- /* broadcast method: implicit acceptance of the name registration
- by not receiving any objections. */
-
- /* IMPORTANT: see response_name_reg() */
-
- name_register_work(d,n->name.name,n->name.name_type,
- n->nb_flags, n->ttl, n->reply_to_ip, n->bcast);
+ /* broadcast method: implicit acceptance of the name registration
+ by not receiving any objections. */
+
+ /* IMPORTANT: see response_name_reg() */
+
+ name_register_work(d,n->name.name,n->name.name_type,
+ n->nb_flags, n->ttl, n->reply_to_ip, n->bcast);
+ }
+ else
+ {
+ /* received no response. rfc1001.txt states that after retrying,
+ we should assume the WINS server is dead, and fall back to
+ broadcasting (see bits about M nodes: can't find any right
+ now) */
+
+ DEBUG(1,("WINS server did not respond to name registration!\n"));
+ /* XXXX whoops. we have problems. must deal with this */
}
- else
- {
- /* received no response. rfc1001.txt states that after retrying,
- we should assume the WINS server is dead, and fall back to
- broadcasting (see bits about M nodes: can't find any right
- now) */
-
- DEBUG(1,("WINS server did not respond to name registration!\n"));
- /* XXXX whoops. we have problems. must deal with this */
- }
- }
- break;
}
-
- case NAME_QUERY_DOMAIN:
- {
- /* if no response received, there is no domain controller on
+ break;
+ }
+
+ case NAME_QUERY_DOMAIN:
+ {
+ /* if no response received, there is no domain controller on
this local subnet. it's ok for us to register
- */
-
- if (!n->bcast)
- {
- DEBUG(0,("NAME_QUERY_DOMAIN incorrectly used - contact samba-bugs!\n"));
- /* XXXX whoops. someone's using this to unicast a packet. this state
- should only be used for broadcast checks
- */
- break;
- }
- if (n->num_msgs == 0)
- {
- struct work_record *work = find_workgroupstruct(d,n->name.name,False);
- if (work && d)
- {
- become_domain_master(d,work);
- }
- }
+ */
+
+ if (!n->bcast)
+ {
+ DEBUG(0,("NAME_QUERY_DOMAIN incorrectly used - contact samba-bugs!\n"));
+ /* XXXX whoops. someone's using this to unicast a packet. this state
+ should only be used for broadcast checks
+ */
break;
}
-
- default:
+ if (n->num_msgs == 0)
{
- /* nothing to do but delete the dead expected-response structure */
- /* this is normal. */
- break;
+ struct work_record *work = find_workgroupstruct(d,n->name.name,False);
+ if (work && d)
+ {
+ become_domain_master(d,work);
+ }
}
+ break;
+ }
+
+ default:
+ {
+ /* nothing to do but delete the dead expected-response structure */
+ /* this is normal. */
+ break;
+ }
}
}
@@ -300,10 +300,9 @@ struct response_record *queue_netbios_packet(struct subnet_record *d,
int fd,int quest_type,enum state_type state,char *name,
int name_type,int nb_flags, time_t ttl,
int server_type, char *my_name, char *my_comment,
- BOOL bcast,BOOL recurse,
+ BOOL bcast,BOOL recurse,
struct in_addr send_ip, struct in_addr reply_to_ip)
{
- struct in_addr wins_ip = ipgrp;
struct response_record *n;
uint16 id = 0xffff;
@@ -311,7 +310,7 @@ struct response_record *queue_netbios_packet(struct subnet_record *d,
if (ip_equal(wins_ip, send_ip)) return NULL;
initiate_netbios_packet(&id, fd, quest_type, name, name_type,
- nb_flags, bcast, recurse, send_ip);
+ nb_flags, bcast, recurse, send_ip);
if (id == 0xffff) {
DEBUG(4,("did not initiate netbios packet: %s\n", inet_ntoa(send_ip)));
@@ -319,9 +318,9 @@ struct response_record *queue_netbios_packet(struct subnet_record *d,
}
if ((n = make_response_queue_record(state,id,fd,
- quest_type,name,name_type,nb_flags,ttl,
- server_type,my_name, my_comment,
- bcast,recurse,send_ip,reply_to_ip)))
+ quest_type,name,name_type,nb_flags,ttl,
+ server_type,my_name, my_comment,
+ bcast,recurse,send_ip,reply_to_ip)))
{
add_response_record(d,n);
return n;