Adding upstream version 2:4.20.2+dfsg.upstream/2%4.20.2+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 382 insertions, 0 deletions

diff --git a/source3/nmbd/nmbd.h b/source3/nmbd/nmbd.h
index f207eb9..0a8e345 100644
--- a/source3/nmbd/nmbd.h
+++ b/source3/nmbd/nmbd.h
@@ -26,6 +26,388 @@
 #endif
 
 #include "libsmb/nmblib.h"
+
+#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 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 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 in_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 in_addr wins_ip;	/* the address 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 {
+	struct name_record *prev, *next;
+	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 {
+	struct browse_cache_record *prev, *next;
+	unstring        lmb_name;
+	unstring        work_group;
+	struct in_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. */
+	unstring work_group;
+	int     token;        /* Used when communicating with backup browsers. */
+	unstring 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 in_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;
+	unsigned int 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 in_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 in_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 in_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 in_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 in_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. */
+	struct name_record     *namelist;   /* List of netbios names. */
+	struct response_record *responselist;  /* List of responses expected. */
+
+	bool namelist_changed;
+	bool work_changed;
+
+	struct in_addr bcast_ip;
+	struct in_addr mask_ip;
+	struct in_addr myip;
+	int nmb_sock;               /* socket to listen for unicast 137. */
+	int nmb_bcast;              /* socket to listen for broadcast 137. */
+	int dgram_sock;             /* socket to listen for unicast 138. */
+	int dgram_bcast;            /* socket to listen for broadcast 138. */
+};
+
+/* 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;
+extern struct subnet_record *unicast_subnet;
+extern struct subnet_record *wins_server_subnet;
+extern struct subnet_record *remote_broadcast_subnet;
+
+#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 in_addr ip[25];
+	struct in_addr wins_ip;
+} WINS_RECORD;
+
 #include "nmbd/nmbd_proto.h"
 
 #define NMBD_WAIT_INTERFACES_TIME_USEC  (250 * 1000)