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-rw-r--r--libcli/nbt/libnbt.h377
1 files changed, 377 insertions, 0 deletions
diff --git a/libcli/nbt/libnbt.h b/libcli/nbt/libnbt.h
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+++ b/libcli/nbt/libnbt.h
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+/*
+ Unix SMB/CIFS implementation.
+
+ a raw async NBT library
+
+ Copyright (C) Andrew Tridgell 2005
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __LIBNBT_H__
+#define __LIBNBT_H__
+
+#include "librpc/gen_ndr/nbt.h"
+#include "librpc/ndr/libndr.h"
+
+/*
+ possible states for pending requests
+*/
+enum nbt_request_state {NBT_REQUEST_SEND,
+ NBT_REQUEST_WAIT,
+ NBT_REQUEST_DONE,
+ NBT_REQUEST_TIMEOUT,
+ NBT_REQUEST_ERROR};
+
+/*
+ a nbt name request
+*/
+struct nbt_name_request {
+ struct nbt_name_request *next, *prev;
+
+ enum nbt_request_state state;
+
+ NTSTATUS status;
+
+ /* the socket this was on */
+ struct nbt_name_socket *nbtsock;
+
+ /* where to send the request */
+ struct socket_address *dest;
+
+ /* timeout between retries */
+ int timeout;
+
+ /* how many retries to send on timeout */
+ int num_retries;
+
+ /* whether we have received a WACK */
+ bool received_wack;
+
+ /* the timeout event */
+ struct tevent_timer *te;
+
+ /* the name transaction id */
+ uint16_t name_trn_id;
+
+ /* is it a reply? */
+ bool is_reply;
+
+ /* the encoded request */
+ DATA_BLOB encoded;
+
+ /* shall we allow multiple replies? */
+ bool allow_multiple_replies;
+
+ unsigned int num_replies;
+ struct nbt_name_reply {
+ struct nbt_name_packet *packet;
+ struct socket_address *dest;
+ } *replies;
+
+ /* information on what to do on completion */
+ struct {
+ void (*fn)(struct nbt_name_request *);
+ void *private_data;
+ } async;
+};
+
+
+
+/*
+ context structure for operations on name queries
+*/
+struct nbt_name_socket {
+ struct socket_context *sock;
+ struct tevent_context *event_ctx;
+
+ /* a queue of requests pending to be sent */
+ struct nbt_name_request *send_queue;
+
+ /* the fd event */
+ struct tevent_fd *fde;
+
+ /* mapping from name_trn_id to pending event */
+ struct idr_context *idr;
+
+ /* how many requests are waiting for a reply */
+ uint16_t num_pending;
+
+ /* what to do with incoming request packets */
+ struct {
+ void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
+ struct socket_address *);
+ void *private_data;
+ } incoming;
+
+ /* what to do with unexpected replies */
+ struct {
+ void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
+ struct socket_address *);
+ void *private_data;
+ } unexpected;
+};
+
+
+/* a simple name query */
+struct nbt_name_query {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ bool broadcast;
+ bool wins_lookup;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ int16_t num_addrs;
+ const char **reply_addrs;
+ } out;
+};
+
+/* a simple name status query */
+struct nbt_name_status {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ struct nbt_rdata_status status;
+ } out;
+};
+
+/* a name registration request */
+struct nbt_name_register {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ const char *address;
+ uint16_t nb_flags;
+ bool register_demand;
+ bool broadcast;
+ bool multi_homed;
+ uint32_t ttl;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ const char *reply_addr;
+ uint8_t rcode;
+ } out;
+};
+
+/* a send 3 times then demand name broadcast name registration */
+struct nbt_name_register_bcast {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ const char *address;
+ uint16_t nb_flags;
+ uint32_t ttl;
+ } in;
+};
+
+
+/* wins name register with multiple wins servers to try and multiple
+ addresses to register */
+struct nbt_name_register_wins {
+ struct {
+ struct nbt_name name;
+ const char **wins_servers;
+ uint16_t wins_port;
+ const char **addresses;
+ uint16_t nb_flags;
+ uint32_t ttl;
+ } in;
+ struct {
+ const char *wins_server;
+ uint8_t rcode;
+ } out;
+};
+
+
+
+/* a name refresh request */
+struct nbt_name_refresh {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ const char *address;
+ uint16_t nb_flags;
+ bool broadcast;
+ uint32_t ttl;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ const char *reply_addr;
+ uint8_t rcode;
+ } out;
+};
+
+/* wins name refresh with multiple wins servers to try and multiple
+ addresses to register */
+struct nbt_name_refresh_wins {
+ struct {
+ struct nbt_name name;
+ const char **wins_servers;
+ uint16_t wins_port;
+ const char **addresses;
+ uint16_t nb_flags;
+ uint32_t ttl;
+ } in;
+ struct {
+ const char *wins_server;
+ uint8_t rcode;
+ } out;
+};
+
+
+/* a name release request */
+struct nbt_name_release {
+ struct {
+ struct nbt_name name;
+ const char *dest_addr;
+ uint16_t dest_port;
+ const char *address;
+ uint16_t nb_flags;
+ bool broadcast;
+ int timeout; /* in seconds */
+ int retries;
+ } in;
+ struct {
+ const char *reply_from;
+ struct nbt_name name;
+ const char *reply_addr;
+ uint8_t rcode;
+ } out;
+};
+
+struct nbt_name_socket *nbt_name_socket_init(TALLOC_CTX *mem_ctx,
+ struct tevent_context *event_ctx);
+void nbt_name_socket_handle_response_packet(struct nbt_name_request *req,
+ struct nbt_name_packet *packet,
+ struct socket_address *src);
+struct nbt_name_request *nbt_name_query_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_query *io);
+NTSTATUS nbt_name_query_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_query *io);
+NTSTATUS nbt_name_query(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_query *io);
+struct nbt_name_request *nbt_name_status_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_status *io);
+NTSTATUS nbt_name_status_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_status *io);
+NTSTATUS nbt_name_status(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_status *io);
+
+NTSTATUS nbt_name_dup(TALLOC_CTX *mem_ctx,
+ const struct nbt_name *name,
+ struct nbt_name *newname);
+NTSTATUS nbt_name_to_blob(TALLOC_CTX *mem_ctx, DATA_BLOB *blob, struct nbt_name *name);
+NTSTATUS nbt_name_from_blob(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, struct nbt_name *name);
+void nbt_choose_called_name(TALLOC_CTX *mem_ctx, struct nbt_name *n, const char *name, int type);
+char *nbt_name_string(TALLOC_CTX *mem_ctx, const struct nbt_name *name);
+NTSTATUS nbt_name_register(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_register *io);
+NTSTATUS nbt_name_refresh(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_refresh *io);
+NTSTATUS nbt_name_release(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx, struct nbt_name_release *io);
+NTSTATUS nbt_name_register_wins(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx,
+ struct nbt_name_register_wins *io);
+NTSTATUS nbt_name_refresh_wins(struct nbt_name_socket *nbtsock,
+ TALLOC_CTX *mem_ctx,
+ struct nbt_name_refresh_wins *io);
+NTSTATUS nbt_name_register_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_register *io);
+struct nbt_name_request *nbt_name_register_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_register *io);
+NTSTATUS nbt_name_release_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_release *io);
+
+struct nbt_name_request *nbt_name_release_send(struct nbt_name_socket *nbtsock,
+ struct nbt_name_release *io);
+
+NTSTATUS nbt_name_refresh_recv(struct nbt_name_request *req,
+ TALLOC_CTX *mem_ctx, struct nbt_name_refresh *io);
+
+NTSTATUS nbt_set_incoming_handler(struct nbt_name_socket *nbtsock,
+ void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
+ struct socket_address *),
+ void *private_data);
+NTSTATUS nbt_set_unexpected_handler(struct nbt_name_socket *nbtsock,
+ void (*handler)(struct nbt_name_socket *, struct nbt_name_packet *,
+ struct socket_address *),
+ void *private_data);
+NTSTATUS nbt_name_reply_send(struct nbt_name_socket *nbtsock,
+ struct socket_address *dest,
+ struct nbt_name_packet *request);
+
+
+NDR_SCALAR_PTR_PROTO(wrepl_nbt_name, struct nbt_name)
+NDR_BUFFER_PROTO(nbt_name, struct nbt_name)
+NTSTATUS nbt_rcode_to_ntstatus(uint8_t rcode);
+
+struct tevent_context;
+struct tevent_req;
+struct tevent_req *nbt_name_register_bcast_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct nbt_name_socket *nbtsock,
+ struct nbt_name_register_bcast *io);
+NTSTATUS nbt_name_register_bcast_recv(struct tevent_req *req);
+struct tevent_req *nbt_name_register_wins_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct nbt_name_socket *nbtsock,
+ struct nbt_name_register_wins *io);
+NTSTATUS nbt_name_register_wins_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ struct nbt_name_register_wins *io);
+struct tevent_req *nbt_name_refresh_wins_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct nbt_name_socket *nbtsock,
+ struct nbt_name_refresh_wins *io);
+NTSTATUS nbt_name_refresh_wins_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ struct nbt_name_refresh_wins *io);
+
+FILE *startlmhosts(const char *fname);
+bool getlmhostsent(TALLOC_CTX *ctx, FILE *fp, char **pp_name, int *name_type,
+ struct sockaddr_storage *pss);
+void endlmhosts(FILE *fp);
+
+NTSTATUS resolve_lmhosts_file_as_sockaddr(TALLOC_CTX *mem_ctx,
+ const char *lmhosts_file,
+ const char *name,
+ int name_type,
+ struct sockaddr_storage **return_iplist,
+ size_t *return_count);
+
+#endif /* __LIBNBT_H__ */