extern struct in_addr ipzero;
extern struct in_addr ipgrp;
-uint16 name_trn_id=0;
-
-
-/***************************************************************************
- updates the unique transaction identifier
- **************************************************************************/
-void update_name_trn_id(void)
-{
- if (!name_trn_id)
- {
- name_trn_id = (time(NULL)%(unsigned)0x7FFF) + (getpid()%(unsigned)100);
- }
- name_trn_id = (name_trn_id+1) % (unsigned)0x7FFF;
-}
-
/***************************************************************************
deals with an entry before it dies
**************************************************************************/
static void dead_netbios_entry(struct subnet_record *d,
- struct response_record *n)
+ struct response_record *n)
{
DEBUG(3,("Removing dead netbios entry for %s %s (num_msgs=%d)\n",
- inet_ntoa(n->send_ip), namestr(&n->name), n->num_msgs));
+ inet_ntoa(n->send_ip), namestr(&n->name), n->num_msgs));
debug_state_type(n->state);
{
case NAME_QUERY_CONFIRM:
{
- if (!lp_wins_support()) return; /* only if we're a WINS server */
+ if (!lp_wins_support()) return; /* only if we're a WINS server */
- if (n->num_msgs == 0)
+ 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->reply.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);
- }
- }
- }
- break;
- }
-
- 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;
+ /* 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);
+ }
+ }
+ }
+ 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))
- {
- name_unregister_work(d,n->name.name,n->name.name_type);
- }
- if (!n->bcast)
- {
- DEBUG(0,("WINS server did not respond to name release!\n"));
+ 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))
+ {
+ name_unregister_work(d,n->name.name,n->name.name_type);
+ }
+ if (!n->bcast)
+ {
+ DEBUG(0,("WINS server did not respond to name release!\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->reply.nb_flags, GET_TTL(0),
- n->reply.ip, False, n->reply.ip);
-
- if (!n->bcast)
- {
- DEBUG(1,("WINS server did not respond to name registration!\n"));
+ }
+ 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)
+ {
+ DEBUG(1,("WINS server did not respond to name registration!\n"));
/* XXXX whoops. we have problems. must deal with this */
- }
+ }
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->bcast)
- {
- /* broadcast method: implicit acceptance of the name registration
- by not receiving any objections. */
-
- /* IMPORTANT: see response_name_reg() */
-
- name_register_work(d,n->token,n->name.name,n->name.name_type,
- &n->reply, n->ttl, n->reply.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
+ }
+
+ 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->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"));
+
+ DEBUG(1,("WINS server did not respond to name registration!\n"));
/* XXXX whoops. we have problems. must deal with this */
- }
- break;
- }
-
- default:
- {
- /* nothing to do but delete the dead expected-response structure */
- /* this is normal. */
- break;
- }
+ }
+ break;
+ }
+
+ default:
+ {
+ /* nothing to do but delete the dead expected-response structure */
+ /* this is normal. */
+ break;
+ }
}
}
for (n = d->responselist; n; n = nextn)
{
- nextn = n->next;
+ nextn = n->next;
if (n->repeat_time <= time(NULL))
- {
- if (n->repeat_count > 0)
- {
- /* resend the entry */
- initiate_netbios_packet(n->response_id, n->fd, n->quest_type,
- n->name.name, n->name.name_type,
- n->reply.nb_flags, n->bcast, n->recurse, n->send_ip);
+ {
+ if (n->repeat_count > 0)
+ {
+ /* resend the entry */
+ initiate_netbios_packet(&n->response_id, n->fd, n->quest_type,
+ n->name.name, n->name.name_type,
+ n->nb_flags, n->bcast, n->recurse, n->send_ip);
n->repeat_time += n->repeat_interval; /* XXXX ms needed */
n->repeat_count--;
- }
- else
- {
+ }
+ else
+ {
DEBUG(4,("timeout response %d for %s %s\n",
- n->response_id, namestr(&n->name),
+ n->response_id, namestr(&n->name),
inet_ntoa(n->send_ip)));
- dead_netbios_entry (d,n); /* process the non-response */
+ dead_netbios_entry (d,n); /* process the non-response */
remove_response_record(d,n); /* remove the non-response */
- continue;
- }
- }
+ continue;
+ }
+ }
}
}
}
name server instead, if it exists. if wins is false, and there has been no
WINS server specified, the packet will NOT be sent.
****************************************************************************/
-void queue_netbios_pkt_wins(struct subnet_record *d,
- int fd,int quest_type,enum state_type state,
- int token, char *name,int name_type,int nb_flags, time_t ttl,
- int server_type, char *my_name, char *my_comment,
- BOOL bcast,BOOL recurse,
- struct in_addr send_ip, struct in_addr reply_to_ip)
+struct response_record *queue_netbios_pkt_wins(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,
+ struct in_addr send_ip, struct in_addr reply_to_ip)
{
- /* XXXX note: please see rfc1001.txt section 10 for details on this
- function: it is currently inappropriate to use this - it will do
- for now - once there is a clarification of B, M and P nodes and
- which one samba is supposed to be
- */
+ /* XXXX note: please see rfc1001.txt section 10 for details on this
+ function: it is currently inappropriate to use this - it will do
+ for now - once there is a clarification of B, M and P nodes and
+ which one samba is supposed to be
+ */
- if ((!lp_wins_support()) && (*lp_wins_server()))
+ if ((!lp_wins_support()) && (*lp_wins_server()))
{
- /* samba is not a WINS server, and we are using a WINS server */
- struct in_addr wins_ip;
- wins_ip = *interpret_addr2(lp_wins_server());
-
- if (!zero_ip(wins_ip))
- {
- bcast = False;
- send_ip = wins_ip;
- }
- else
- {
- /* oops. smb.conf's wins server parameter MUST be a host_name
- or an ip_address. */
- DEBUG(0,("invalid smb.conf parameter 'wins server'\n"));
- }
- }
-
- if (zero_ip(send_ip))
- {
- /* doing a netbios query to samba as a WINS server, internally */
- if (lp_wins_support())
- {
- DEBUG(4,("queue netbios packet with ourselves...\n"));
- bcast = False;
- }
+ /* samba is not a WINS server, and we are using a WINS server */
+ struct in_addr wins_ip;
+ wins_ip = *interpret_addr2(lp_wins_server());
+
+ if (!zero_ip(wins_ip))
+ {
+ bcast = False;
+ send_ip = wins_ip;
+ }
else
- {
- return;
- }
+ {
+ /* oops. smb.conf's wins server parameter MUST be a host_name
+ or an ip_address. */
+ DEBUG(0,("invalid smb.conf parameter 'wins server'\n"));
+ }
}
-
- queue_netbios_packet(d,fd, quest_type, state,
- token, name, name_type, nb_flags, ttl,
+
+ if (zero_ip(send_ip)) return NULL;
+
+ return queue_netbios_packet(d,fd, quest_type, state,
+ name, name_type, nb_flags, ttl,
server_type,my_name,my_comment,
- bcast, recurse, send_ip, reply_to_ip);
+ bcast, recurse, send_ip, reply_to_ip);
}
master browsers (WORKGROUP(1d or 1b) or __MSBROWSE__(1)) to get
complete lists across a wide area network
****************************************************************************/
-void queue_netbios_packet(struct subnet_record *d,
- int fd,int quest_type,enum state_type state,
- int token, char *name, int name_type,int nb_flags, time_t ttl,
- int server_type, char *my_name, char *my_comment,
- BOOL bcast,BOOL recurse,
- struct in_addr send_ip, struct in_addr reply_to_ip)
+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,
+ struct in_addr send_ip, struct in_addr reply_to_ip)
{
struct in_addr wins_ip = ipgrp;
struct response_record *n;
+ uint16 id = 0xffff;
/* ha ha. no. do NOT broadcast to 255.255.255.255: it's a pseudo address */
- if (ip_equal(wins_ip, send_ip)) return;
-
- update_name_trn_id();
-
- /* queue the response expected because if we do a query with an ip
- of zero, we are expecting to hear from ourself immediately */
- if ((n = make_response_queue_record(state, name_trn_id, fd, quest_type,
- token, name, name_type, nb_flags, ttl,
- server_type, my_name, my_comment,
- bcast, recurse, send_ip, reply_to_ip)))
- {
- add_response_record(d,n);
- }
+ if (ip_equal(wins_ip, send_ip)) return NULL;
- if (!initiate_netbios_packet(name_trn_id, fd, quest_type, name, name_type,
- nb_flags, bcast, recurse, send_ip))
- {
- /* packet wasn't sent - not expecting a response */
+ initiate_netbios_packet(&id, fd, quest_type, name, name_type,
+ nb_flags, bcast, recurse, send_ip);
+
+ if (id == 0xffff) {
DEBUG(4,("did not initiate netbios packet: %s\n", inet_ntoa(send_ip)));
- remove_response_record(d, n);
- return;
+ return NULL;
}
+
+ 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)))
+ {
+ add_response_record(d,n);
+ return n;
+ }
+ return NULL;
}
git.samba.org / nivanova / samba-autobuild / .git / blobdiff