示例#1
0
NTSTATUS srvsvc_create_ntvfs_context(struct dcesrv_call_state *dce_call,
				     TALLOC_CTX *mem_ctx,
				     const char *share,
				     struct ntvfs_context **_ntvfs)
{
	NTSTATUS status;
	struct srvsvc_ntvfs_ctx	*c;
	struct ntvfs_request *ntvfs_req;
	enum ntvfs_type type;
	struct share_context *sctx;
	struct share_config *scfg;
	const char *sharetype;
	union smb_tcon tcon;
	const struct tsocket_address *local_address;
	const struct tsocket_address *remote_address;

	status = share_get_context_by_name(mem_ctx, lpcfg_share_backend(dce_call->conn->dce_ctx->lp_ctx), dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx, &sctx);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	status = share_get_config(mem_ctx, sctx, share, &scfg);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("srvsvc_create_ntvfs_context: couldn't find service %s\n", share));
		return status;
	}

#if 0 /* TODO: fix access cecking */
	if (!socket_check_access(dce_call->connection->socket, 
				 scfg->name, 
				 share_string_list_option(scfg, SHARE_HOSTS_ALLOW), 
				 share_string_list_option(scfg, SHARE_HOSTS_DENY))) {
		return NT_STATUS_ACCESS_DENIED;
	}
#endif

	/* work out what sort of connection this is */
	sharetype = share_string_option(scfg, SHARE_TYPE, SHARE_TYPE_DEFAULT);
	if (sharetype && strcmp(sharetype, "IPC") == 0) {
		type = NTVFS_IPC;
	} else if (sharetype && strcmp(sharetype, "PRINTER")) {
		type = NTVFS_PRINT;
	} else {
		type = NTVFS_DISK;
	}

	c = talloc(mem_ctx, struct srvsvc_ntvfs_ctx);
	NT_STATUS_HAVE_NO_MEMORY(c);
	
	/* init ntvfs function pointers */
	status = ntvfs_init_connection(c, scfg, type,
				       PROTOCOL_NT1,
				       0,/* ntvfs_client_caps */
				       dce_call->event_ctx,
				       dce_call->conn->msg_ctx,
				       dce_call->conn->dce_ctx->lp_ctx,
				       dce_call->conn->server_id,
				       &c->ntvfs);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0, ("srvsvc_create_ntvfs_context: ntvfs_init_connection failed for service %s\n", 
			  scfg->name));
		return status;
	}
	talloc_set_destructor(c, srvsvc_ntvfs_ctx_destructor);

	/*
	 * NOTE: we only set the addr callbacks as we're not interesseted in oplocks or in getting file handles
	 */
	local_address = dcesrv_connection_get_local_address(dce_call->conn);
	remote_address = dcesrv_connection_get_remote_address(dce_call->conn);
	status = ntvfs_set_addresses(c->ntvfs, local_address, remote_address);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("srvsvc_create_ntvfs_context: NTVFS failed to set the addr callbacks!\n"));
		return status;
	}

	ntvfs_req = ntvfs_request_create(c->ntvfs, mem_ctx,
					 dce_call->conn->auth_state.session_info,
					 0, /* TODO: fill in PID */
					 dce_call->time,
					 NULL, NULL, 0);
	NT_STATUS_HAVE_NO_MEMORY(ntvfs_req);

	/* Invoke NTVFS connection hook */
	tcon.tcon.level = RAW_TCON_TCON;
	ZERO_STRUCT(tcon.tcon.in);
	tcon.tcon.in.service = scfg->name;
	status = ntvfs_connect(ntvfs_req, &tcon);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("srvsvc_create_ntvfs_context: NTVFS ntvfs_connect() failed!\n"));
		return status;
	}

	*_ntvfs = c->ntvfs;
	return NT_STATUS_OK;
}
示例#2
0
/****************************************************************************
  Make a connection, given the snum to connect to, and the vuser of the
  connecting user if appropriate.
****************************************************************************/
static NTSTATUS make_connection_scfg(struct smbsrv_request *req,
				     struct share_config *scfg,
				     enum ntvfs_type type,
				     DATA_BLOB password, 
				     const char *dev)
{
	struct smbsrv_tcon *tcon;
	NTSTATUS status;

	tcon = smbsrv_smb_tcon_new(req->smb_conn, scfg->name);
	if (!tcon) {
		DEBUG(0,("Couldn't find free connection.\n"));
		return NT_STATUS_INSUFFICIENT_RESOURCES;
	}
	req->tcon = tcon;

	/* init ntvfs function pointers */
	status = ntvfs_init_connection(tcon, scfg, type,
				       req->smb_conn->negotiate.protocol,
				       req->smb_conn->connection->event.ctx,
				       req->smb_conn->connection->msg_ctx,
				       req->smb_conn->connection->server_id,
				       &tcon->ntvfs);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0, ("make_connection_scfg: connection failed for service %s\n", 
			  scfg->name));
		goto failed;
	}

	status = ntvfs_set_oplock_handler(tcon->ntvfs, smbsrv_send_oplock_break, tcon);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("make_connection: NTVFS failed to set the oplock handler!\n"));
		goto failed;
	}

	status = ntvfs_set_addr_callbacks(tcon->ntvfs, smbsrv_get_my_addr, smbsrv_get_peer_addr, req->smb_conn);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("make_connection: NTVFS failed to set the addr callbacks!\n"));
		goto failed;
	}

	status = ntvfs_set_handle_callbacks(tcon->ntvfs,
					    smbsrv_handle_create_new,
					    smbsrv_handle_make_valid,
					    smbsrv_handle_destroy,
					    smbsrv_handle_search_by_wire_key,
					    smbsrv_handle_get_wire_key,
					    tcon);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("make_connection: NTVFS failed to set the handle callbacks!\n"));
		goto failed;
	}

	req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req,
					  req->session->session_info,
					  SVAL(req->in.hdr,HDR_PID),
					  req->request_time,
					  req, NULL, 0);
	if (!req->ntvfs) {
		status = NT_STATUS_NO_MEMORY;
		goto failed;
	}

	/* Invoke NTVFS connection hook */
	status = ntvfs_connect(req->ntvfs, scfg->name);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("make_connection: NTVFS make connection failed!\n"));
		goto failed;
	}

	return NT_STATUS_OK;

failed:
	req->tcon = NULL;
	talloc_free(tcon);
	return status;
}
示例#3
0
static NTSTATUS smb2srv_tcon_backend(struct smb2srv_request *req, union smb_tcon *io)
{
	struct smbsrv_tcon *tcon;
	NTSTATUS status;
	enum ntvfs_type type;
	uint16_t type_smb2;
	uint32_t unknown2;
	const char *service = io->smb2.in.path;
	struct share_config *scfg;
	const char *sharetype;

	if (strncmp(service, "\\\\", 2) == 0) {
		const char *p = strchr(service+2, '\\');
		if (p) {
			service = p + 1;
		}
	}

	status = share_get_config(req, req->smb_conn->share_context, service, &scfg);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("smb2srv_tcon_backend: couldn't find service %s\n", service));
		return NT_STATUS_BAD_NETWORK_NAME;
	}

	if (!socket_check_access(req->smb_conn->connection->socket, 
				 scfg->name, 
				 share_string_list_option(req, scfg, SHARE_HOSTS_ALLOW), 
				 share_string_list_option(req, scfg, SHARE_HOSTS_DENY))) {
		return NT_STATUS_ACCESS_DENIED;
	}

	/* work out what sort of connection this is */
	sharetype = share_string_option(scfg, SHARE_TYPE, "DISK");
	if (sharetype && strcmp(sharetype, "IPC") == 0) {
		type = NTVFS_IPC;
		type_smb2 = 0x0002;
		unknown2 = 0x00000030;
	} else if (sharetype && strcmp(sharetype, "PRINTER") == 0) {
		type = NTVFS_PRINT;
		type_smb2 = 0x0003;
		unknown2 = 0x00000000;
	} else {
		type = NTVFS_DISK;
		type_smb2 = 0x0001;
		unknown2 = 0x00000800;
	}

	tcon = smbsrv_smb2_tcon_new(req->session, scfg->name);
	if (!tcon) {
		DEBUG(0,("smb2srv_tcon_backend: Couldn't find free connection.\n"));
		return NT_STATUS_INSUFFICIENT_RESOURCES;
	}
	req->tcon = tcon;

	/* init ntvfs function pointers */
	status = ntvfs_init_connection(tcon, scfg, type,
				       req->smb_conn->negotiate.protocol,
				       req->smb_conn->connection->event.ctx,
				       req->smb_conn->connection->msg_ctx,
				       req->smb_conn->connection->server_id,
				       &tcon->ntvfs);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0, ("smb2srv_tcon_backend: ntvfs_init_connection failed for service %s\n", 
			  scfg->name));
		goto failed;
	}

	status = ntvfs_set_oplock_handler(tcon->ntvfs, smb2srv_send_oplock_break, tcon);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("smb2srv_tcon_backend: NTVFS failed to set the oplock handler!\n"));
		goto failed;
	}

	status = ntvfs_set_addr_callbacks(tcon->ntvfs, smbsrv_get_my_addr, smbsrv_get_peer_addr, req->smb_conn);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("smb2srv_tcon_backend: NTVFS failed to set the addr callbacks!\n"));
		goto failed;
	}

	status = ntvfs_set_handle_callbacks(tcon->ntvfs,
					    smb2srv_handle_create_new,
					    smb2srv_handle_make_valid,
					    smb2srv_handle_destroy,
					    smb2srv_handle_search_by_wire_key,
					    smb2srv_handle_get_wire_key,
					    tcon);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("smb2srv_tcon_backend: NTVFS failed to set the handle callbacks!\n"));
		goto failed;
	}

	req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req,
					  req->session->session_info,
					  0, /* TODO: fill in PID */
					  req->request_time,
					  req, NULL, 0);
	if (!req->ntvfs) {
		status = NT_STATUS_NO_MEMORY;
		goto failed;
	}

	/* Invoke NTVFS connection hook */
	status = ntvfs_connect(req->ntvfs, scfg->name);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(0,("smb2srv_tcon_backend: NTVFS ntvfs_connect() failed!\n"));
		goto failed;
	}

	io->smb2.out.unknown1	= type_smb2; /* 1 - DISK, 2 - Print, 3 - IPC */
	io->smb2.out.unknown2	= unknown2;
	io->smb2.out.unknown3	= 0x00000000;
	io->smb2.out.access_mask= SEC_RIGHTS_FILE_ALL;

	io->smb2.out.tid	= tcon->tid;

	return NT_STATUS_OK;

failed:
	req->tcon = NULL;
	talloc_free(tcon);
	return status;
}