コード例 #1
0
ファイル: status.c プロジェクト: aosm/samba
static void dump_service_stats(void)
{
	int is = 0;

	if (service_stats_setup(True) && service_h->count > 0) {
		d_printf("\n%-15s %-21s%-21s\n", "Share", "OpCount", "ByteCount");
		d_printf("-------------------------------------------------------------------\n");
		for (is = 0;  is < service_h->count && lp_const_servicename(is); is++)
			d_printf("%-15s %-21qu %-21qu\n",
						lp_servicename(is),
						service_c[is].op_count,
						service_c[is].byte_count);
	} else {
		fprintf(stderr,"\nFailed to initialise service_stats memory\n");
	}
}
コード例 #2
0
ファイル: service.c プロジェクト: Distrotech/samba
NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum)
{
	NTSTATUS status;

	if (*lp_force_user(talloc_tos(), snum)) {

		/*
		 * Replace conn->session_info with a completely faked up one
		 * from the username we are forced into :-)
		 */

		char *fuser;
		char *sanitized_username;
		struct auth_session_info *forced_serverinfo;
		bool guest;

		fuser = talloc_string_sub(conn, lp_force_user(talloc_tos(), snum), "%S",
					  lp_const_servicename(snum));
		if (fuser == NULL) {
			return NT_STATUS_NO_MEMORY;
		}

		guest = security_session_user_level(conn->session_info, NULL) < SECURITY_USER;

		status = make_session_info_from_username(
			conn, fuser,
			guest,
			&forced_serverinfo);
		if (!NT_STATUS_IS_OK(status)) {
			return status;
		}

		/* We don't want to replace the original sanitized_username
		   as it is the original user given in the connect attempt.
		   This is used in '%U' substitutions. */
		sanitized_username = discard_const_p(char,
			forced_serverinfo->unix_info->sanitized_username);
		TALLOC_FREE(sanitized_username);
		forced_serverinfo->unix_info->sanitized_username =
			talloc_move(forced_serverinfo->unix_info,
				&conn->session_info->unix_info->sanitized_username);

		TALLOC_FREE(conn->session_info);
		conn->session_info = forced_serverinfo;

		conn->force_user = true;
		DEBUG(3,("Forced user %s\n", fuser));
	}

	/*
	 * If force group is true, then override
	 * any groupid stored for the connecting user.
	 */

	if (*lp_force_group(talloc_tos(), snum)) {

		status = find_forced_group(
			conn->force_user, snum, conn->session_info->unix_info->unix_name,
			&conn->session_info->security_token->sids[1],
			&conn->session_info->unix_token->gid);

		if (!NT_STATUS_IS_OK(status)) {
			return status;
		}

		/*
		 * We need to cache this gid, to use within
		 * change_to_user() separately from the conn->session_info
		 * struct. We only use conn->session_info directly if
		 * "force_user" was set.
		 */
		conn->force_group_gid = conn->session_info->unix_token->gid;
	}

	return NT_STATUS_OK;
}
コード例 #3
0
ファイル: queue_process.c プロジェクト: Alexander--/samba
/**
 * @brief Purge stale printers and reload from pre-populated pcap cache.
 *
 * This function should normally only be called as a callback on a successful
 * pcap_cache_reload().
 *
 * This function can cause DELETION of printers and drivers from our registry,
 * so calling it on a failed pcap reload may REMOVE permanently all printers
 * and drivers.
 *
 * @param[in] ev        The event context.
 *
 * @param[in] msg_ctx   The messaging context.
 */
static void delete_and_reload_printers_full(struct tevent_context *ev,
					    struct messaging_context *msg_ctx)
{
	struct auth_session_info *session_info = NULL;
	struct spoolss_PrinterInfo2 *pinfo2 = NULL;
	int n_services;
	int pnum;
	int snum;
	const char *pname;
	const char *sname;
	NTSTATUS status;

	n_services = lp_numservices();
	pnum = lp_servicenumber(PRINTERS_NAME);

	status = make_session_info_system(talloc_tos(), &session_info);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(3, ("reload_printers: "
			  "Could not create system session_info\n"));
		/* can't remove stale printers before we
		 * are fully initilized */
		return;
	}

	/*
	 * Add default config for printers added to smb.conf file and remove
	 * stale printers
	 */
	for (snum = 0; snum < n_services; snum++) {
		/* avoid removing PRINTERS_NAME */
		if (snum == pnum) {
			continue;
		}

		/* skip no-printer services */
		if (!snum_is_shared_printer(snum)) {
			continue;
		}

		sname = lp_const_servicename(snum);
		pname = lp_printername(session_info, snum);

		/* check printer, but avoid removing non-autoloaded printers */
		if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
			DEBUG(3, ("removing stale printer %s\n", pname));

			if (is_printer_published(session_info, session_info,
						 msg_ctx,
						 NULL,
						 lp_servicename(session_info,
								snum),
						 &pinfo2)) {
				nt_printer_publish(session_info,
						   session_info,
						   msg_ctx,
						   pinfo2,
						   DSPRINT_UNPUBLISH);
				TALLOC_FREE(pinfo2);
			}
			nt_printer_remove(session_info, session_info, msg_ctx,
					  pname);
		} else {
			DEBUG(8, ("Adding default registry entry for printer "
				  "[%s], if it doesn't exist.\n", sname));
			nt_printer_add(session_info, session_info, msg_ctx,
				       sname);
		}
	}

	/* finally, purge old snums */
	delete_and_reload_printers();

	TALLOC_FREE(session_info);
}
コード例 #4
0
ファイル: msdfs.c プロジェクト: rchicoli/samba
static NTSTATUS create_conn_struct_as_root(TALLOC_CTX *ctx,
			    struct tevent_context *ev,
			    struct messaging_context *msg,
			    connection_struct **pconn,
			    int snum,
			    const char *path,
			    const struct auth_session_info *session_info)
{
	connection_struct *conn;
	char *connpath;
	const char *vfs_user;
	struct smbd_server_connection *sconn;
	const char *servicename = lp_const_servicename(snum);

	sconn = talloc_zero(ctx, struct smbd_server_connection);
	if (sconn == NULL) {
		return NT_STATUS_NO_MEMORY;
	}

	sconn->ev_ctx = ev;
	sconn->msg_ctx = msg;
	sconn->sock = -1;
	sconn->smb1.echo_handler.trusted_fd = -1;
	sconn->smb1.echo_handler.socket_lock_fd = -1;

	conn = conn_new(sconn);
	if (conn == NULL) {
		TALLOC_FREE(sconn);
		return NT_STATUS_NO_MEMORY;
	}

	/* Now we have conn, we need to make sconn a child of conn,
	 * for a proper talloc tree */
	talloc_steal(conn, sconn);

	if (snum == -1 && servicename == NULL) {
		servicename = "Unknown Service (snum == -1)";
	}

	connpath = talloc_strdup(conn, path);
	if (!connpath) {
		TALLOC_FREE(conn);
		return NT_STATUS_NO_MEMORY;
	}
	connpath = talloc_string_sub(conn,
				     connpath,
				     "%S",
				     servicename);
	if (!connpath) {
		TALLOC_FREE(conn);
		return NT_STATUS_NO_MEMORY;
	}

	/* needed for smbd_vfs_init() */

	conn->params->service = snum;
	conn->cnum = TID_FIELD_INVALID;

	if (session_info != NULL) {
		conn->session_info = copy_session_info(conn, session_info);
		if (conn->session_info == NULL) {
			DEBUG(0, ("copy_serverinfo failed\n"));
			TALLOC_FREE(conn);
			return NT_STATUS_NO_MEMORY;
		}
		vfs_user = conn->session_info->unix_info->unix_name;
	} else {
		/* use current authenticated user in absence of session_info */
		vfs_user = get_current_username();
	}

	set_conn_connectpath(conn, connpath);

	/*
	 * New code to check if there's a share security descripter
	 * added from NT server manager. This is done after the
	 * smb.conf checks are done as we need a uid and token. JRA.
	 *
	 */
	if (conn->session_info) {
		share_access_check(conn->session_info->security_token,
				   servicename,
				   MAXIMUM_ALLOWED_ACCESS,
				   &conn->share_access);

		if ((conn->share_access & FILE_WRITE_DATA) == 0) {
			if ((conn->share_access & FILE_READ_DATA) == 0) {
				/* No access, read or write. */
				DEBUG(0,("create_conn_struct: connection to %s "
					 "denied due to security "
					 "descriptor.\n",
					 servicename));
				conn_free(conn);
				return NT_STATUS_ACCESS_DENIED;
			} else {
				conn->read_only = true;
			}
		}
	} else {
		conn->share_access = 0;
		conn->read_only = true;
	}

	if (!smbd_vfs_init(conn)) {
		NTSTATUS status = map_nt_error_from_unix(errno);
		DEBUG(0,("create_conn_struct: smbd_vfs_init failed.\n"));
		conn_free(conn);
		return status;
	}

	/* this must be the first filesystem operation that we do */
	if (SMB_VFS_CONNECT(conn, servicename, vfs_user) < 0) {
		DEBUG(0,("VFS connect failed!\n"));
		conn_free(conn);
		return NT_STATUS_UNSUCCESSFUL;
	}

	conn->fs_capabilities = SMB_VFS_FS_CAPABILITIES(conn, &conn->ts_res);
	*pconn = conn;

	return NT_STATUS_OK;
}