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/*
   Unix SMB/CIFS implementation.
   Samba utility functions
   Copyright (C) Andrew Bartlett 2011
   Copyright (C) Andrew Tridgell 1992-2002

   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/>.
*/

#include "includes.h"
#include "librpc/gen_ndr/messaging.h"
#include "messages.h"

/* This is the Samba3-specific implementation of reopen_logs(), which
 * calls out to the s3 loadparm code, and means that we don't depend
 * on loadparm directly. */

bool reopen_logs(void)
{
	if (lp_loaded()) {
		struct debug_settings settings;
		debug_set_logfile(lp_logfile(talloc_tos()));

		ZERO_STRUCT(settings);
		settings.max_log_size = lp_max_log_size();
		settings.timestamp_logs = lp_timestamp_logs();
		settings.debug_prefix_timestamp = lp_debug_prefix_timestamp();
		settings.debug_hires_timestamp = lp_debug_hires_timestamp();
		settings.debug_pid = lp_debug_pid();
		settings.debug_uid = lp_debug_uid();
		settings.debug_class = lp_debug_class();
		debug_set_settings(&settings, lp_logging(talloc_tos()),
				   lp_syslog(), lp_syslog_only());
	}
	return reopen_logs_internal();
}

/****************************************************************************
 Receive a "set debug level" message.
****************************************************************************/

void debug_message(struct messaging_context *msg_ctx,
			  void *private_data,
			  uint32_t msg_type,
			  struct server_id src,
			  DATA_BLOB *data)
{
	const char *params_str = (const char *)data->data;

	/* Check, it's a proper string! */
	if (params_str[(data->length)-1] != '\0') {
		DEBUG(1, ("Invalid debug message from pid %u to pid %u\n",
			  (unsigned int)procid_to_pid(&src),
			  (unsigned int)getpid()));
		return;
	}

	DEBUG(3, ("INFO: Remote set of debug to `%s'  (pid %u from pid %u)\n",
		  params_str, (unsigned int)getpid(),
		  (unsigned int)procid_to_pid(&src)));

	debug_parse_levels(params_str);
}

/****************************************************************************
 Return current debug level.
****************************************************************************/

static void debuglevel_message(struct messaging_context *msg_ctx,
			       void *private_data, 
			       uint32_t msg_type, 
			       struct server_id src,
			       DATA_BLOB *data)
{
	char *message = debug_list_class_names_and_levels();

	if (!message) {
		DEBUG(0,("debuglevel_message - debug_list_class_names_and_levels returned NULL\n"));
		return;
	}

	DEBUG(1,("INFO: Received REQ_DEBUGLEVEL message from PID %s\n",
		 procid_str_static(&src)));
	messaging_send_buf(msg_ctx, src, MSG_DEBUGLEVEL,
			   (uint8 *)message, strlen(message) + 1);

	TALLOC_FREE(message);
}
void debug_register_msgs(struct messaging_context *msg_ctx)
{
	messaging_register(msg_ctx, NULL, MSG_DEBUG, debug_message);
	messaging_register(msg_ctx, NULL, MSG_REQ_DEBUGLEVEL,
			   debuglevel_message);
}