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Diffstat (limited to 'source/include/nameserv.h')
| -rw-r--r-- | source/include/nameserv.h | 427 |
1 files changed, 0 insertions, 427 deletions
diff --git a/source/include/nameserv.h b/source/include/nameserv.h deleted file mode 100644 index 83f3a3c5246..00000000000 --- a/source/include/nameserv.h +++ /dev/null @@ -1,427 +0,0 @@ -/* - Unix SMB/Netbios implementation. - Version 1.9. - NBT netbios header - version 2 - Copyright (C) Andrew Tridgell 1994-1997 - - 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. - -*/ - -#define GET_TTL(ttl) ((ttl)?MIN(ttl,lp_max_ttl()):lp_max_ttl()) - -/* NTAS uses 2, NT uses 1, WfWg uses 0 */ -#define MAINTAIN_LIST 2 -#define ELECTION_VERSION 1 - -#define MAX_DGRAM_SIZE (576) /* tcp/ip datagram limit is 576 bytes */ -#define MIN_DGRAM_SIZE 12 - -#define NMB_QUERY 0x20 -#define NMB_STATUS 0x21 - -#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 4.2.16 */ -/* XXXX what about all the other types?? 0x1, 0x2, 0x3, 0x4, 0x8? */ - -#define FIND_SELF 0x01 -#define FIND_WINS 0x02 -#define FIND_LOCAL 0x04 - -/* NetBIOS flags */ -#define NB_GROUP 0x80 -#define NB_PERM 0x02 -#define NB_ACTIVE 0x04 -#define NB_CONFL 0x08 -#define NB_DEREG 0x10 -#define NB_BFLAG 0x00 /* broadcast node type */ -#define NB_PFLAG 0x20 /* point-to-point node type */ -#define NB_MFLAG 0x40 /* mixed bcast & p-p node type */ -#define NB_HFLAG 0x60 /* microsoft 'hybrid' node type */ -#define NB_FLGMSK 0x60 - -#define REFRESH_TIME (15*60) -#define NAME_POLL_REFRESH_TIME (5*60) -#define NAME_POLL_INTERVAL 15 - -/* NetBIOS flag identifier */ -#define NAME_PERMANENT(p) ((p) & NB_PERM) -#define NAME_ACTIVE(p) ((p) & NB_ACTIVE) -#define NAME_CONFLICT(p) ((p) & NB_CONFL) -#define NAME_DEREG(p) ((p) & NB_DEREG) -#define NAME_GROUP(p) ((p) & NB_GROUP) - -#define NAME_BFLAG(p) (((p) & NB_FLGMSK) == NB_BFLAG) -#define NAME_PFLAG(p) (((p) & NB_FLGMSK) == NB_PFLAG) -#define NAME_MFLAG(p) (((p) & NB_FLGMSK) == NB_MFLAG) -#define NAME_HFLAG(p) (((p) & NB_FLGMSK) == NB_HFLAG) - -/* server type identifiers */ -#define AM_MASTER(work) (work->ServerType & SV_TYPE_MASTER_BROWSER) -#define AM_BACKUP(work) (work->ServerType & SV_TYPE_BACKUP_BROWSER) -#define AM_DOMMST(work) (work->ServerType & SV_TYPE_DOMAIN_MASTER) -#define AM_DOMMEM(work) (work->ServerType & SV_TYPE_DOMAIN_MEMBER) - -/* microsoft browser NetBIOS name */ -#define MSBROWSE "\001\002__MSBROWSE__\002" - -/* mail slots */ -#define BROWSE_MAILSLOT "\\MAILSLOT\\BROWSE" -#define NET_LOGON_MAILSLOT "\\MAILSLOT\\NET\\NETLOGON" - -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}; - -enum master_state -{ - MST_POTENTIAL, - MST_BACK, - MST_MSB, - MST_BROWSER -}; - -enum domain_state -{ - DOMAIN_NONE, - DOMAIN_WAIT, - DOMAIN_MST -}; - -enum logon_state -{ - LOGON_NONE, - LOGON_WAIT, - LOGON_SRV -}; - -enum state_type -{ - NAME_STATUS_DOM_SRV_CHK, - NAME_STATUS_SRV_CHK, - NAME_REGISTER_CHALLENGE, - NAME_REGISTER, - NAME_RELEASE, - NAME_QUERY_CONFIRM, - NAME_QUERY_SYNC_LOCAL, - NAME_QUERY_SYNC_REMOTE, - NAME_QUERY_DOM_SRV_CHK, - NAME_QUERY_SRV_CHK, - NAME_QUERY_FIND_MST, - NAME_QUERY_MST_CHK, - NAME_QUERY_DOMAIN -}; - -/* a netbios name structure */ -struct nmb_name { - char name[17]; - char scope[64]; - int name_type; -}; - -/* a netbios flags + ip address structure */ -/* this is used for multi-homed systems and for internet group names */ -struct nmb_ip -{ - struct in_addr ip; /* ip address of host that owns this name */ - uint16 nb_flags; /* netbios flags */ -}; - -/* this is the structure used for the local netbios name list */ -struct name_record -{ - struct name_record *next; - struct name_record *prev; - - struct nmb_name name; /* the netbios name */ - struct nmb_ip *ip_flgs; /* the ip + flags */ - int num_ips; /* number of ip+flags entries */ - - 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 */ -}; - -struct subnet_record; - -/* browse and backup server cache for synchronising browse list */ -struct browse_cache_record -{ - struct browse_cache_record *next; - struct browse_cache_record *prev; - - pstring name; - int type; - pstring group; - struct in_addr ip; - time_t sync_time; - BOOL synced; - BOOL local; - struct subnet_record *subnet; -}; - -/* this is used to hold the list of servers in my domain, and is */ -/* contained within lists of domains */ -struct server_record -{ - struct server_record *next; - struct server_record *prev; - - struct server_info_struct serv; - time_t death_time; -}; - -/* a workgroup structure. it contains a list of servers */ -struct work_record -{ - struct work_record *next; - struct work_record *prev; - - struct server_record *serverlist; - - /* stage of development from non-local-master up to local-master browser */ - enum master_state mst_state; - - /* stage of development from non-domain-master to domain master browser */ - enum domain_state dom_state; - - /* stage of development from non-logon-server to logon server */ - enum logon_state log_state; - - /* work group info */ - fstring work_group; - int token; /* used when communicating with backup browsers */ - int ServerType; - - /* announce info */ - time_t lastannounce_time; - int announce_interval; - BOOL needannounce; - - - /* election info */ - BOOL RunningElection; - BOOL needelection; - int ElectionCount; - uint32 ElectionCriterion; -}; - -/* initiated name queries recorded in this list to track any responses... */ -/* sadly, we need to group everything together. i suppose that if this - gets unwieldy, then a union ought to be considered. oh for c++... */ -struct response_record -{ - struct response_record *next; - struct response_record *prev; - - uint16 response_id; - enum state_type state; - - int fd; - int quest_type; - struct nmb_name name; - int nb_flags; - time_t ttl; - - int server_type; - fstring my_name; - fstring my_comment; - - BOOL bcast; - BOOL recurse; - struct in_addr send_ip; - struct in_addr reply_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; /* 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; - struct in_addr myip; -}; - -/* a resource record */ -struct res_rec { - struct nmb_name rr_name; - int rr_type; - int rr_class; - int ttl; - int rdlength; - char rdata[MAX_DGRAM_SIZE]; -}; - -/* define a nmb packet. */ -struct nmb_packet -{ - struct { - int name_trn_id; - int opcode; - BOOL response; - struct { - BOOL bcast; - BOOL recursion_available; - BOOL recursion_desired; - BOOL trunc; - BOOL authoritative; - } nm_flags; - int rcode; - int qdcount; - int ancount; - int nscount; - int arcount; - } header; - - struct { - struct nmb_name question_name; - int question_type; - int question_class; - } question; - - struct res_rec *answers; - struct res_rec *nsrecs; - struct res_rec *additional; -}; - - -/* a datagram - this normally contains SMB data in the data[] array */ -struct dgram_packet { - struct { - int msg_type; - struct { - enum node_type node_type; - BOOL first; - BOOL more; - } flags; - int dgm_id; - struct in_addr source_ip; - int source_port; - int dgm_length; - int packet_offset; - } header; - struct nmb_name source_name; - struct nmb_name dest_name; - int datasize; - char data[MAX_DGRAM_SIZE]; -}; - -/* define a structure used to queue packets. this will be a linked - list of nmb packets */ -struct packet_struct -{ - struct packet_struct *next; - struct packet_struct *prev; - struct in_addr ip; - int port; - int fd; - time_t timestamp; - enum packet_type packet_type; - union { - struct nmb_packet nmb; - struct dgram_packet dgram; - } packet; -}; - - -/* ids for netbios packet types */ -#define ANN_HostAnnouncement 1 -#define ANN_AnnouncementRequest 2 -#define ANN_Election 8 -#define ANN_GetBackupListReq 9 -#define ANN_GetBackupListResp 10 -#define ANN_BecomeBackup 11 -#define ANN_DomainAnnouncement 12 -#define ANN_MasterAnnouncement 13 -#define ANN_ResetBrowserState 14 -#define ANN_LocalMasterAnnouncement 15 - - -/* broadcast packet announcement intervals, in minutes */ - -/* attempt to add domain logon and domain master names */ -#define CHECK_TIME_ADD_DOM_NAMES 5 - -/* search for master browsers of workgroups samba knows about, - except default */ -#define CHECK_TIME_MST_BROWSE 5 - -/* request backup browser announcements from other servers */ -#define CHECK_TIME_ANNOUNCE_BACKUP 15 - -/* request host announcements from other servers: min and max of interval */ -#define CHECK_TIME_MIN_HOST_ANNCE 3 -#define CHECK_TIME_MAX_HOST_ANNCE 12 - -/* announce as master to WINS server and any Primary Domain Controllers */ -#define CHECK_TIME_MST_ANNOUNCE 15 - -/* do all remote announcements this often */ -#define REMOTE_ANNOUNCE_INTERVAL 180 - -/* Types of machine we can announce as */ -#define ANNOUNCE_AS_NT 1 -#define ANNOUNCE_AS_WIN95 2 -#define ANNOUNCE_AS_WFW 3 - -/* Macro's to enumerate subnets either with or without - the WINS subnet. */ - -extern struct subnet_record *subnetlist; -extern struct subnet_record *wins_subnet; - -#define FIRST_SUBNET subnetlist -#define NEXT_SUBNET_EXCLUDING_WINS(x) ((x)->next) -#define NEXT_SUBNET_INCLUDING_WINS(x) ( ((x) == wins_subnet) ? NULL : \ - (((x)->next == NULL) ? wins_subnet : \ - (x)->next)) - |