+++ /dev/null
-#ifndef _NAMESERV_H_
-#define _NAMESERV_H_
-/*
- Unix SMB/CIFS implementation.
- NBT netbios header - version 2
- Copyright (C) Andrew Tridgell 1994-1998
-
- 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 INFO_VERSION "INFO/version"
-#define INFO_COUNT "INFO/num_entries"
-#define INFO_ID_HIGH "INFO/id_high"
-#define INFO_ID_LOW "INFO/id_low"
-#define ENTRY_PREFIX "ENTRY/"
-
-#define PERMANENT_TTL 0
-
-/* 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
-
-/* A netbios name structure. */
-struct nmb_name {
- char name[17];
- char scope[64];
- uint_t name_type;
-};
-
-/*********************************************************
- Types of reply packet.
-**********************************************************/
-
-enum netbios_reply_type_code { NMB_QUERY, NMB_STATUS, NMB_REG, NMB_REG_REFRESH,
- NMB_REL, NMB_WAIT_ACK, NMB_MULTIHOMED_REG,
- WINS_REG, WINS_QUERY };
-
-/* From rfc1002, 4.2.1.2 */
-/* Question types. */
-#define QUESTION_TYPE_NB_QUERY 0x20
-#define QUESTION_TYPE_NB_STATUS 0x21
-
-/* Question class */
-#define QUESTION_CLASS_IN 0x1
-
-/* Opcode definitions */
-#define NMB_NAME_QUERY_OPCODE 0x0
-#define NMB_NAME_REG_OPCODE 0x05 /* see rfc1002.txt 4.2.2,3,5,6,7,8 */
-#define NMB_NAME_RELEASE_OPCODE 0x06 /* see rfc1002.txt 4.2.9,10,11 */
-#define NMB_WACK_OPCODE 0x07 /* see rfc1002.txt 4.2.16 */
-/* Ambiguity in rfc1002 about which of these is correct. */
-/* WinNT uses 8 by default but can be made to use 9. */
-#define NMB_NAME_REFRESH_OPCODE_8 0x08 /* see rfc1002.txt 4.2.4 */
-#define NMB_NAME_REFRESH_OPCODE_9 0x09 /* see rfc1002.txt 4.2.4 */
-#define NMB_NAME_MULTIHOMED_REG_OPCODE 0x0F /* Invented by Microsoft. */
-
-/* XXXX what about all the other types?? 0x1, 0x2, 0x3, 0x4, 0x8? */
-
-/* Resource record types. rfc1002 4.2.1.3 */
-#define RR_TYPE_A 0x1
-#define RR_TYPE_NS 0x2
-#define RR_TYPE_NULL 0xA
-#define RR_TYPE_NB 0x20
-#define RR_TYPE_NBSTAT 0x21
-
-/* Resource record class. */
-#define RR_CLASS_IN 0x1
-
-/* 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_NODETYPEMASK 0x60
-/* Mask applied to outgoing NetBIOS flags. */
-#define NB_FLGMSK 0xE0
-
-/* The wins flags. Looks like the nbflags ! */
-#define WINS_UNIQUE 0x00 /* Unique record */
-#define WINS_NGROUP 0x01 /* Normal Group eg: 1B */
-#define WINS_SGROUP 0x02 /* Special Group eg: 1C */
-#define WINS_MHOMED 0x03 /* MultiHomed */
-
-#define WINS_ACTIVE 0x00 /* active record */
-#define WINS_RELEASED 0x04 /* released record */
-#define WINS_TOMBSTONED 0x08 /* tombstoned record */
-#define WINS_DELETED 0x0C /* deleted record */
-
-#define WINS_STATE_MASK 0x0C
-
-#define WINS_LOCAL 0x00 /* local record */
-#define WINS_REMOTE 0x10 /* remote record */
-
-#define WINS_BNODE 0x00 /* Broadcast node */
-#define WINS_PNODE 0x20 /* PtP node */
-#define WINS_MNODE 0x40 /* Mixed node */
-#define WINS_HNODE 0x60 /* Hybrid node */
-
-#define WINS_NONSTATIC 0x00 /* dynamic record */
-#define WINS_STATIC 0x80 /* static record */
-
-#define WINS_STATE_ACTIVE(p) (((p)->data.wins_flags & WINS_STATE_MASK) == WINS_ACTIVE)
-
-
-/* NetBIOS flag identifier. */
-#define NAME_GROUP(p) ((p)->data.nb_flags & NB_GROUP)
-#define NAME_BFLAG(p) (((p)->data.nb_flags & NB_NODETYPEMASK) == NB_BFLAG)
-#define NAME_PFLAG(p) (((p)->data.nb_flags & NB_NODETYPEMASK) == NB_PFLAG)
-#define NAME_MFLAG(p) (((p)->data.nb_flags & NB_NODETYPEMASK) == NB_MFLAG)
-#define NAME_HFLAG(p) (((p)->data.nb_flags & NB_NODETYPEMASK) == NB_HFLAG)
-
-/* Samba name state for a name in a namelist. */
-#define NAME_IS_ACTIVE(p) ((p)->data.nb_flags & NB_ACTIVE)
-#define NAME_IN_CONFLICT(p) ((p)->data.nb_flags & NB_CONFL)
-#define NAME_IS_DEREGISTERING(p) ((p)->data.nb_flags & NB_DEREG)
-
-/* Error codes for NetBIOS requests. */
-#define FMT_ERR 0x1 /* Packet format error. */
-#define SRV_ERR 0x2 /* Internal server error. */
-#define NAM_ERR 0x3 /* Name does not exist. */
-#define IMP_ERR 0x4 /* Request not implemented. */
-#define RFS_ERR 0x5 /* Request refused. */
-#define ACT_ERR 0x6 /* Active error - name owned by another host. */
-#define CFT_ERR 0x7 /* Name in conflict error. */
-
-#define REFRESH_TIME (15*60)
-#define NAME_POLL_REFRESH_TIME (5*60)
-#define NAME_POLL_INTERVAL 15
-
-/* Workgroup state identifiers. */
-#define AM_POTENTIAL_MASTER_BROWSER(work) ((work)->mst_state == MST_POTENTIAL)
-#define AM_LOCAL_MASTER_BROWSER(work) ((work)->mst_state == MST_BROWSER)
-#define AM_DOMAIN_MASTER_BROWSER(work) ((work)->dom_state == DOMAIN_MST)
-#define AM_DOMAIN_MEMBER(work) ((work)->log_state == LOGON_SRV)
-
-/* Microsoft browser NetBIOS name. */
-#define MSBROWSE "\001\002__MSBROWSE__\002"
-
-/* Mail slots. */
-#define BROWSE_MAILSLOT "\\MAILSLOT\\BROWSE"
-#define NET_LOGON_MAILSLOT "\\MAILSLOT\\NET\\NETLOGON"
-#define NT_LOGON_MAILSLOT "\\MAILSLOT\\NET\\NTLOGON"
-#define LANMAN_MAILSLOT "\\MAILSLOT\\LANMAN"
-
-/* Samba definitions for find_name_on_subnet(). */
-#define FIND_ANY_NAME 0
-#define FIND_SELF_NAME 1
-
-/*
- * The different name types that can be in namelists.
- *
- * SELF_NAME should only be on the broadcast and unicast subnets.
- * LMHOSTS_NAME should only be in the remote_broadcast_subnet.
- * REGISTER_NAME, DNS_NAME, DNSFAIL_NAME should only be in the wins_server_subnet.
- * WINS_PROXY_NAME should only be on the broadcast subnets.
- * PERMANENT_NAME can be on all subnets except remote_broadcast_subnet.
- *
- */
-
-enum name_source {LMHOSTS_NAME, REGISTER_NAME, SELF_NAME, DNS_NAME,
- DNSFAIL_NAME, PERMANENT_NAME, WINS_PROXY_NAME};
-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_NONE,
- MST_POTENTIAL,
- MST_BACKUP,
- MST_MSB,
- MST_BROWSER,
- MST_UNBECOMING_MASTER
-};
-
-enum domain_state
-{
- DOMAIN_NONE,
- DOMAIN_WAIT,
- DOMAIN_MST
-};
-
-enum logon_state
-{
- LOGON_NONE,
- LOGON_WAIT,
- LOGON_SRV
-};
-
-struct subnet_record;
-
-struct nmb_data
-{
- uint16_t nb_flags; /* Netbios flags. */
- int num_ips; /* Number of ip entries. */
- struct ipv4_addr *ip; /* The ip list for this name. */
-
- enum name_source source; /* Where the name came from. */
-
- time_t death_time; /* The time the record must be removed (do not remove if 0). */
- time_t refresh_time; /* The time the record should be refreshed. */
-
- uint64_t id; /* unique id */
- struct ipv4_addr wins_ip; /* the adress of the wins server this record comes from */
-
- int wins_flags; /* similar to the netbios flags but different ! */
-};
-
-/* This structure represents an entry in a local netbios name list. */
-struct name_record
- {
-#if 0
- ubi_trNode node[1];
-#endif
- struct subnet_record *subnet;
- struct nmb_name name; /* The netbios name. */
- struct nmb_data data; /* The netbios data. */
- };
-
-/* Browser cache for synchronising browse lists. */
-struct browse_cache_record
- {
-#if 0
- ubi_dlNode node[1];
-#endif
- pstring lmb_name;
- pstring work_group;
- struct ipv4_addr ip;
- time_t sync_time;
- time_t death_time; /* The time the record must be removed. */
- };
-
-/* used for server information: client, nameserv and ipc */
-struct server_info_struct
-{
- fstring name;
- uint32_t type;
- fstring comment;
- fstring domain; /* used ONLY in ipc.c NOT namework.c */
- BOOL server_added; /* used ONLY in ipc.c NOT namework.c */
-};
-
-/* 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 subnet_record *subnet;
-
- 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 subnet_record *subnet;
-
- 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. */
- fstring local_master_browser_name; /* Current local master browser. */
-
- /* Announce info. */
- time_t lastannounce_time;
- int announce_interval;
- BOOL needannounce;
-
- /* Timeout time for this workgroup. 0 means permanent. */
- time_t death_time;
-
- /* Election info */
- BOOL RunningElection;
- BOOL needelection;
- int ElectionCount;
- uint32_t ElectionCriterion;
-
- /* Domain master browser info. Used for efficient syncs. */
- struct nmb_name dmb_name;
- struct ipv4_addr dmb_addr;
-};
-
-/* typedefs needed to define copy & free functions for userdata. */
-struct userdata_struct;
-
-typedef struct userdata_struct * (*userdata_copy_fn)(struct userdata_struct *);
-typedef void (*userdata_free_fn)(struct userdata_struct *);
-
-/* Structure to define any userdata passed around. */
-
-struct userdata_struct {
- userdata_copy_fn copy_fn;
- userdata_free_fn free_fn;
- uint_t userdata_len;
- char data[16]; /* 16 is to ensure alignment/padding on all systems */
-};
-
-struct response_record;
-struct packet_struct;
-struct res_rec;
-
-/* typedef to define the function called when this response packet comes in. */
-typedef void (*response_function)(struct subnet_record *, struct response_record *,
- struct packet_struct *);
-
-/* typedef to define the function called when this response record times out. */
-typedef void (*timeout_response_function)(struct subnet_record *,
- struct response_record *);
-
-/* typedef to define the function called when the request that caused this
- response record to be created is successful. */
-typedef void (*success_function)(struct subnet_record *, struct userdata_struct *, ...);
-
-/* typedef to define the function called when the request that caused this
- response record to be created is unsuccessful. */
-typedef void (*fail_function)(struct subnet_record *, struct response_record *, ...);
-
-/* List of typedefs for success and fail functions of the different query
- types. Used to catch any compile time prototype errors. */
-
-typedef void (*register_name_success_function)( struct subnet_record *,
- struct userdata_struct *,
- struct nmb_name *,
- uint16_t,
- int,
- struct ipv4_addr);
-typedef void (*register_name_fail_function)( struct subnet_record *,
- struct response_record *,
- struct nmb_name *);
-
-typedef void (*release_name_success_function)( struct subnet_record *,
- struct userdata_struct *,
- struct nmb_name *,
- struct ipv4_addr);
-typedef void (*release_name_fail_function)( struct subnet_record *,
- struct response_record *,
- struct nmb_name *);
-
-typedef void (*refresh_name_success_function)( struct subnet_record *,
- struct userdata_struct *,
- struct nmb_name *,
- uint16_t,
- int,
- struct ipv4_addr);
-typedef void (*refresh_name_fail_function)( struct subnet_record *,
- struct response_record *,
- struct nmb_name *);
-
-typedef void (*query_name_success_function)( struct subnet_record *,
- struct userdata_struct *,
- struct nmb_name *,
- struct ipv4_addr,
- struct res_rec *answers);
-
-typedef void (*query_name_fail_function)( struct subnet_record *,
- struct response_record *,
- struct nmb_name *,
- int);
-
-typedef void (*node_status_success_function)( struct subnet_record *,
- struct userdata_struct *,
- struct res_rec *,
- struct ipv4_addr);
-typedef void (*node_status_fail_function)( struct subnet_record *,
- struct response_record *);
-
-/* Initiated name queries are recorded in this list to track any responses. */
-
-struct response_record
-{
- struct response_record *next;
- struct response_record *prev;
-
- uint16_t response_id;
-
- /* Callbacks for packets received or not. */
- response_function resp_fn;
- timeout_response_function timeout_fn;
-
- /* Callbacks for the request succeeding or not. */
- success_function success_fn;
- fail_function fail_fn;
-
- struct packet_struct *packet;
-
- struct userdata_struct *userdata;
-
- int num_msgs;
-
- time_t repeat_time;
- time_t repeat_interval;
- int repeat_count;
-
- /* Recursion protection. */
- BOOL in_expiration_processing;
-};
-
-/* A subnet structure. It contains a list of workgroups and netbios names. */
-
-/*
- 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.
-*/
-
-enum subnet_type {
- NORMAL_SUBNET = 0, /* Subnet listed in interfaces list. */
- UNICAST_SUBNET = 1, /* Subnet for unicast packets. */
- REMOTE_BROADCAST_SUBNET = 2, /* Subnet for remote broadcasts. */
- WINS_SERVER_SUBNET = 3 /* Only created if we are a WINS server. */
-};
-
-struct subnet_record
-{
- struct subnet_record *next;
- struct subnet_record *prev;
-
- char *subnet_name; /* For Debug identification. */
- enum subnet_type type; /* To catagorize the subnet. */
-
- struct work_record *workgrouplist; /* List of workgroups. */
-#if 0
- ubi_trRoot namelist[1]; /* List of netbios names. */
-#endif
- struct response_record *responselist; /* List of responses expected. */
-
- BOOL namelist_changed;
- BOOL work_changed;
-
- struct ipv4_addr bcast_ip;
- struct ipv4_addr mask_ip;
- struct ipv4_addr myip;
- int nmb_sock; /* socket to listen for unicast 137. */
- int dgram_sock; /* socket to listen for unicast 138. */
-};
-
-/* 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 these so we can pass info back to caller of name_query */
-#define NM_FLAGS_RS 0x80 /* Response. Cheat */
-#define NM_FLAGS_AA 0x40 /* Authoritative */
-#define NM_FLAGS_TC 0x20 /* Truncated */
-#define NM_FLAGS_RD 0x10 /* Recursion Desired */
-#define NM_FLAGS_RA 0x08 /* Recursion Available */
-#define NM_FLAGS_B 0x01 /* Broadcast */
-
-/* An 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;
-};
-
-/* msg_type field options - from rfc1002. */
-
-#define DGRAM_UNIQUE 0x10
-#define DGRAM_GROUP 0x11
-#define DGRAM_BROADCAST 0x12
-#define DGRAM_ERROR 0x13
-#define DGRAM_QUERY_REQUEST 0x14
-#define DGRAM_POSITIVE_QUERY_RESPONSE 0x15
-#define DGRAM_NEGATIVE_QUERT_RESPONSE 0x16
-
-/* 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 ipv4_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;
- BOOL locked;
- struct ipv4_addr ip;
- int port;
- int fd;
- time_t timestamp;
- enum packet_type packet_type;
- union {
- struct nmb_packet nmb;
- struct dgram_packet dgram;
- } packet;
-};
-
-/* NETLOGON opcodes */
-
-#define QUERYFORPDC 7 /* Query for PDC. */
-#define SAM_UAS_CHANGE 10 /* Announce change to UAS or SAM. */
-#define QUERYFORPDC_R 12 /* Response to Query for PDC. */
-#define SAMLOGON 18
-#define SAMLOGON_R 19
-#define SAMLOGON_UNK_R 21
-#define SAMLOGON_AD_UNK_R 23
-#define SAMLOGON_AD_R 25
-
-/* 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
-
-/* Time between syncs from domain master browser to local master browsers. */
-#define CHECK_TIME_DMB_TO_LMB_SYNC 15
-
-/* Do all remote announcements this often. */
-#define REMOTE_ANNOUNCE_INTERVAL 180
-
-/* what is the maximum period between name refreshes. Note that this only
- affects non-permanent self names (in seconds) */
-#define MAX_REFRESH_TIME (60*20)
-
-/* The Extinction interval: 4 days, time a node will stay in released state */
-#define EXTINCTION_INTERVAL (4*24*60*60)
-
-/* The Extinction time-out: 1 day, time a node will stay in deleted state */
-#define EXTINCTION_TIMEOUT (24*60*60)
-
-/* Macro's to enumerate subnets either with or without
- the UNICAST subnet. */
-
-extern struct subnet_record *subnetlist;
-
-#define FIRST_SUBNET subnetlist
-#define NEXT_SUBNET_EXCLUDING_UNICAST(x) ((x)->next)
-#define NEXT_SUBNET_INCLUDING_UNICAST(x) (get_next_subnet_maybe_unicast((x)))
-
-/* wins replication record used between nmbd and wrepld */
-typedef struct _WINS_RECORD {
- char name[17];
- char type;
- int nb_flags;
- int wins_flags;
- uint64_t id;
- int num_ips;
- struct ipv4_addr ip[25];
- struct ipv4_addr wins_ip;
-} WINS_RECORD;
-
-/* To be removed. */
-enum state_type { TEST };
-#endif /* _NAMESERV_H_ */
git.samba.org / idra / samba.git / commitdiff