samba-mirror/libcli/smb/smbXcli_base.h

/*
   Unix SMB/CIFS implementation.
   Infrastructure for async SMB client requests
   Copyright (C) Volker Lendecke 2008
   Copyright (C) Stefan Metzmacher 2011

   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 _SMBXCLI_BASE_H_
#define _SMBXCLI_BASE_H_

struct smbXcli_conn;
struct smbXcli_session;
struct smb_trans_enc_state;
struct GUID;

struct smbXcli_conn *smbXcli_conn_create(TALLOC_CTX *mem_ctx,
					 int fd,
					 const char *remote_name,
					 enum smb_signing_setting signing_state,
					 uint32_t smb1_capabilities,
					 struct GUID *client_guid);

bool smbXcli_conn_is_connected(struct smbXcli_conn *conn);
void smbXcli_conn_disconnect(struct smbXcli_conn *conn, NTSTATUS status);

bool smbXcli_conn_has_async_calls(struct smbXcli_conn *conn);

enum protocol_types smbXcli_conn_protocol(struct smbXcli_conn *conn);
bool smbXcli_conn_use_unicode(struct smbXcli_conn *conn);

void smbXcli_conn_set_sockopt(struct smbXcli_conn *conn, const char *options);
const struct sockaddr_storage *smbXcli_conn_local_sockaddr(struct smbXcli_conn *conn);
const struct sockaddr_storage *smbXcli_conn_remote_sockaddr(struct smbXcli_conn *conn);
const char *smbXcli_conn_remote_name(struct smbXcli_conn *conn);

uint16_t smbXcli_conn_max_requests(struct smbXcli_conn *conn);
NTTIME smbXcli_conn_server_system_time(struct smbXcli_conn *conn);
const DATA_BLOB *smbXcli_conn_server_gss_blob(struct smbXcli_conn *conn);
const struct GUID *smbXcli_conn_server_guid(struct smbXcli_conn *conn);

void smbXcli_req_unset_pending(struct tevent_req *req);
bool smbXcli_req_set_pending(struct tevent_req *req);

uint32_t smb1cli_conn_capabilities(struct smbXcli_conn *conn);
uint32_t smb1cli_conn_max_xmit(struct smbXcli_conn *conn);
uint32_t smb1cli_conn_server_session_key(struct smbXcli_conn *conn);
const uint8_t *smb1cli_conn_server_challenge(struct smbXcli_conn *conn);
uint16_t smb1cli_conn_server_security_mode(struct smbXcli_conn *conn);
int smb1cli_conn_server_time_zone(struct smbXcli_conn *conn);

bool smb1cli_conn_activate_signing(struct smbXcli_conn *conn,
				   const DATA_BLOB user_session_key,
				   const DATA_BLOB response);
bool smb1cli_conn_check_signing(struct smbXcli_conn *conn,
				const uint8_t *buf, uint32_t seqnum);
bool smb1cli_conn_signing_is_active(struct smbXcli_conn *conn);

void smb1cli_conn_set_encryption(struct smbXcli_conn *conn,
				 struct smb_trans_enc_state *es);
bool smb1cli_conn_encryption_on(struct smbXcli_conn *conn);

bool smb1cli_is_andx_req(uint8_t cmd);
size_t smb1cli_req_wct_ofs(struct tevent_req **reqs, int num_reqs);

uint16_t smb1cli_req_mid(struct tevent_req *req);
void smb1cli_req_set_mid(struct tevent_req *req, uint16_t mid);

uint32_t smb1cli_req_seqnum(struct tevent_req *req);
void smb1cli_req_set_seqnum(struct tevent_req *req, uint32_t seqnum);

struct smb1cli_req_expected_response {
	NTSTATUS status;
	uint8_t wct;
};

struct tevent_req *smb1cli_req_create(TALLOC_CTX *mem_ctx,
				      struct tevent_context *ev,
				      struct smbXcli_conn *conn,
				      uint8_t smb_command,
				      uint8_t additional_flags,
				      uint8_t clear_flags,
				      uint16_t additional_flags2,
				      uint16_t clear_flags2,
				      uint32_t timeout_msec,
				      uint32_t pid,
				      uint16_t tid,
				      uint16_t uid,
				      uint8_t wct, uint16_t *vwv,
				      int iov_count,
				      struct iovec *bytes_iov);
NTSTATUS smb1cli_req_chain_submit(struct tevent_req **reqs, int num_reqs);

struct tevent_req *smb1cli_req_send(TALLOC_CTX *mem_ctx,
				    struct tevent_context *ev,
				    struct smbXcli_conn *conn,
				    uint8_t smb_command,
				    uint8_t additional_flags,
				    uint8_t clear_flags,
				    uint16_t additional_flags2,
				    uint16_t clear_flags2,
				    uint32_t timeout_msec,
				    uint32_t pid,
				    uint16_t tid,
				    uint16_t uid,
				    uint8_t wct, uint16_t *vwv,
				    uint32_t num_bytes,
				    const uint8_t *bytes);
NTSTATUS smb1cli_req_recv(struct tevent_req *req,
			  TALLOC_CTX *mem_ctx,
			  struct iovec **piov,
			  uint8_t **phdr,
			  uint8_t *pwct,
			  uint16_t **pvwv,
			  uint32_t *pvwv_offset,
			  uint32_t *pnum_bytes,
			  uint8_t **pbytes,
			  uint32_t *pbytes_offset,
			  uint8_t **pinbuf,
			  const struct smb1cli_req_expected_response *expected,
			  size_t num_expected);

uint32_t smb2cli_conn_server_capabilities(struct smbXcli_conn *conn);
uint16_t smb2cli_conn_server_security_mode(struct smbXcli_conn *conn);
uint32_t smb2cli_conn_max_trans_size(struct smbXcli_conn *conn);
uint32_t smb2cli_conn_max_read_size(struct smbXcli_conn *conn);
uint32_t smb2cli_conn_max_write_size(struct smbXcli_conn *conn);
void smb2cli_conn_set_max_credits(struct smbXcli_conn *conn,
				  uint16_t max_credits);

struct tevent_req *smb2cli_req_create(TALLOC_CTX *mem_ctx,
				      struct tevent_context *ev,
				      struct smbXcli_conn *conn,
				      uint16_t cmd,
				      uint32_t additional_flags,
				      uint32_t clear_flags,
				      uint32_t timeout_msec,
				      uint32_t pid,
				      uint32_t tid,
				      struct smbXcli_session *session,
				      const uint8_t *fixed,
				      uint16_t fixed_len,
				      const uint8_t *dyn,
				      uint32_t dyn_len);
void smb2cli_req_set_notify_async(struct tevent_req *req);
NTSTATUS smb2cli_req_compound_submit(struct tevent_req **reqs,
				     int num_reqs);
void smb2cli_req_set_credit_charge(struct tevent_req *req, uint16_t charge);

struct smb2cli_req_expected_response {
	NTSTATUS status;
	uint16_t body_size;
};

struct tevent_req *smb2cli_req_send(TALLOC_CTX *mem_ctx,
				    struct tevent_context *ev,
				    struct smbXcli_conn *conn,
				    uint16_t cmd,
				    uint32_t additional_flags,
				    uint32_t clear_flags,
				    uint32_t timeout_msec,
				    uint32_t pid,
				    uint32_t tid,
				    struct smbXcli_session *session,
				    const uint8_t *fixed,
				    uint16_t fixed_len,
				    const uint8_t *dyn,
				    uint32_t dyn_len);
NTSTATUS smb2cli_req_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
			  struct iovec **piov,
			  const struct smb2cli_req_expected_response *expected,
			  size_t num_expected);

struct tevent_req *smbXcli_negprot_send(TALLOC_CTX *mem_ctx,
					struct tevent_context *ev,
					struct smbXcli_conn *conn,
					uint32_t timeout_msec,
					enum protocol_types min_protocol,
					enum protocol_types max_protocol);
NTSTATUS smbXcli_negprot_recv(struct tevent_req *req);
NTSTATUS smbXcli_negprot(struct smbXcli_conn *conn,
			 uint32_t timeout_msec,
			 enum protocol_types min_protocol,
			 enum protocol_types max_protocol);

struct smbXcli_session *smbXcli_session_create(TALLOC_CTX *mem_ctx,
					       struct smbXcli_conn *conn);
uint8_t smb2cli_session_security_mode(struct smbXcli_session *session);
uint64_t smb2cli_session_current_id(struct smbXcli_session *session);
void smb2cli_session_set_id_and_flags(struct smbXcli_session *session,
				      uint64_t session_id,
				      uint16_t session_flags);
NTSTATUS smb2cli_session_update_session_key(struct smbXcli_session *session,
					    const DATA_BLOB session_key,
					    const struct iovec *recv_iov);
NTSTATUS smb2cli_session_create_channel(TALLOC_CTX *mem_ctx,
					struct smbXcli_session *session1,
					struct smbXcli_conn *conn,
					struct smbXcli_session **_session2);

#endif /* _SMBXCLI_BASE_H_ */