diff options
Diffstat (limited to 'source3/include/nameserv.h')
| -rw-r--r-- | source3/include/nameserv.h | 109 |
1 files changed, 75 insertions, 34 deletions
diff --git a/source3/include/nameserv.h b/source3/include/nameserv.h index 8882948ff4..03bb521558 100644 --- a/source3/include/nameserv.h +++ b/source3/include/nameserv.h @@ -29,8 +29,12 @@ #define NMB_QUERY 0x20 #define NMB_STATUS 0x21 -#define NMB_REG 0x05 -#define NMB_REL 0x06 + +#define NMB_REG 0x05 /* see rfc1002.txt 4.2.2,3,5,6,7,8 */ +#define NMB_REG_REFRESH 0x09 /* see rfc1002.txt 4.2.4 */ +#define NMB_REL 0x06 /* see rfc1002.txt 4.2.9,10,11 */ +#define NMB_WAIT_ACK 0x07 /* see rfc1002.txt 4.2.17 */ +/* XXXX what about all the other types?? 0x1, 0x2, 0x3, 0x4, 0x8? */ #define NB_GROUP 0x80 #define NB_PERM 0x02 @@ -44,6 +48,8 @@ #define NB_FLGMSK 0x60 #define REFRESH_TIME (15*60) +#define NAME_POLL_REFRESH_TIME (5*60) +#define NAME_POLL_INTERVAL 15 #define NAME_PERMANENT(p) ((p) & NB_PERM) #define NAME_ACTIVE(p) ((p) & NB_ACTIVE) @@ -58,7 +64,6 @@ #define MSBROWSE "\001\002__MSBROWSE__\002" -enum name_search { FIND_SELF, FIND_GLOBAL }; enum name_source {STATUS_QUERY, LMHOSTS, REGISTER, SELF, DNS, DNSFAIL}; enum node_type {B_NODE=0, P_NODE=1, M_NODE=2, NBDD_NODE=3}; enum packet_type {NMB_PACKET, DGRAM_PACKET}; @@ -66,13 +71,14 @@ enum cmd_type { NAME_STATUS_MASTER_CHECK, NAME_STATUS_CHECK, - MASTER_SERVER_CHECK, - SERVER_CHECK, - FIND_MASTER, - CHECK_MASTER, NAME_REGISTER, NAME_RELEASE, - NAME_CONFIRM_QUERY + NAME_QUERY_CONFIRM, + NAME_QUERY_SYNC, + NAME_QUERY_MST_SRV_CHK, + NAME_QUERY_SRV_CHK, + NAME_QUERY_FIND_MST, + NAME_QUERY_MST_CHK }; /* a netbios name structure */ @@ -87,11 +93,15 @@ struct name_record { struct name_record *next; struct name_record *prev; - struct nmb_name name; - time_t death_time; - struct in_addr ip; - int nb_flags; - enum name_source source; + + struct nmb_name name; /* the netbios name */ + struct in_addr ip; /* ip address of host that owns this name */ + int nb_flags; /* netbios flags */ + + enum name_source source; /* where the name came from */ + + time_t death_time; /* time record must be removed (do not remove if 0) */ + time_t refresh_time; /* time record should be refreshed */ }; /* browse and backup server cache for synchronising browse list */ @@ -144,13 +154,63 @@ struct work_record uint32 ElectionCriterion; }; -/* a subnet structure. it contains a list of workgroups */ +/* initiated name queries recorded in this list to track any responses... */ +struct response_record +{ + struct response_record *next; + struct response_record *prev; + + uint16 response_id; + enum cmd_type cmd_type; + + int fd; + int quest_type; + struct nmb_name name; + int nb_flags; + time_t ttl; + + BOOL bcast; + BOOL recurse; + struct in_addr to_ip; + + int num_msgs; + + time_t repeat_time; + time_t repeat_interval; + int repeat_count; +}; + +/* a subnet structure. it contains a list of workgroups and netbios names*/ + +/* note that a subnet of 255.255.255.255 contains all the WINS netbios names. + all communication from such nodes are on a non-broadcast basis: they + are point-to-point (P nodes) or mixed point-to-point and broadcast + (M nodes). M nodes use point-to-point as a preference, and will use + broadcasting for certain activities, or will resort to broadcasting as a + last resort, if the WINS server fails (users of wfwg will notice that their + machine often freezes for 30 seconds at a time intermittently, if the WINS + server is down). + + B nodes will have their own, totally separate subnet record, with their + own netbios name set. these do NOT interact with other subnet records' + netbios names, INCLUDING the WINS one (with an ip "address", so called, + of 255.255.255.255) + + there is a separate response list for each subnet record. in the case of + the 255.255.255.255 subnet record (WINS), the WINS server will be able to + use this to poll (infrequently!) each of its entries, to ensure that the + names are still in use. + XXXX this polling is a planned feature for a really over-cautious WINS server +*/ + struct subnet_record { struct subnet_record *next; struct subnet_record *prev; - struct work_record *workgrouplist; + struct work_record *workgrouplist; /* list of workgroups */ + struct name_record *namelist; /* list of netbios names */ + struct response_record *responselist; /* list of responses expected */ struct in_addr bcast_ip; struct in_addr mask_ip; @@ -202,25 +262,6 @@ struct nmb_packet }; -/* initiated name queries recorded in this list to track any responses... */ -struct name_response_record -{ - struct name_response_record *next; - struct name_response_record *prev; - - uint16 response_id; - enum cmd_type cmd_type; - - int fd; - struct nmb_name name; - BOOL bcast; - BOOL recurse; - struct in_addr to_ip; - - time_t start_time; - int num_msgs; -}; - /* a datagram - this normally contains SMB data in the data[] array */ struct dgram_packet { struct { |