lib/util/debug_s3.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Samba utility functions
   4    Copyright (C) Andrew Bartlett 2011
   5    Copyright (C) Andrew Tridgell 1992-2002
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "librpc/gen_ndr/messaging.h"
  23 #include "messages.h"
  24
  25 /* This is the Samba3-specific implementation of reopen_logs(), which
  26  * calls out to the s3 loadparm code, and means that we don't depend
  27  * on loadparm directly. */
  28
  29 bool reopen_logs(void)
  30 {
  31         if (lp_loaded()) {
  32                 struct debug_settings settings;
  33                 debug_set_logfile(lp_logfile(talloc_tos()));
  34
  35                 ZERO_STRUCT(settings);
  36                 settings.max_log_size = lp_max_log_size();
  37                 settings.timestamp_logs = lp_timestamp_logs();
  38                 settings.debug_prefix_timestamp = lp_debug_prefix_timestamp();
  39                 settings.debug_hires_timestamp = lp_debug_hires_timestamp();
  40                 settings.debug_pid = lp_debug_pid();
  41                 settings.debug_uid = lp_debug_uid();
  42                 settings.debug_class = lp_debug_class();
  43                 debug_set_settings(&settings, lp_logging(talloc_tos()),
  44                                    lp_syslog(), lp_syslog_only());
  45         }
  46         return reopen_logs_internal();
  47 }
  48
  49 /****************************************************************************
  50  Receive a "set debug level" message.
  51 ****************************************************************************/
  52
  53 void debug_message(struct messaging_context *msg_ctx,
  54                           void *private_data,
  55                           uint32_t msg_type,
  56                           struct server_id src,
  57                           DATA_BLOB *data)
  58 {
  59         const char *params_str = (const char *)data->data;
  60
  61         /* Check, it's a proper string! */
  62         if (params_str[(data->length)-1] != '\0') {
  63                 DEBUG(1, ("Invalid debug message from pid %u to pid %u\n",
  64                           (unsigned int)procid_to_pid(&src),
  65                           (unsigned int)getpid()));
  66                 return;
  67         }
  68
  69         DEBUG(3, ("INFO: Remote set of debug to `%s'  (pid %u from pid %u)\n",
  70                   params_str, (unsigned int)getpid(),
  71                   (unsigned int)procid_to_pid(&src)));
  72
  73         debug_parse_levels(params_str);
  74 }
  75
  76 /****************************************************************************
  77  Return current debug level.
  78 ****************************************************************************/
  79
  80 static void debuglevel_message(struct messaging_context *msg_ctx,
  81                                void *private_data,
  82                                uint32_t msg_type,
  83                                struct server_id src,
  84                                DATA_BLOB *data)
  85 {
  86         char *message = debug_list_class_names_and_levels();
  87         struct server_id_buf tmp;
  88
  89         if (!message) {
  90                 DEBUG(0,("debuglevel_message - debug_list_class_names_and_levels returned NULL\n"));
  91                 return;
  92         }
  93
  94         DEBUG(1, ("INFO: Received REQ_DEBUGLEVEL message from PID %s\n",
  95                   server_id_str_buf(src, &tmp)));
  96         messaging_send_buf(msg_ctx, src, MSG_DEBUGLEVEL,
  97                            (uint8_t *)message, strlen(message) + 1);
  98
  99         TALLOC_FREE(message);
 100 }
 101 void debug_register_msgs(struct messaging_context *msg_ctx)
 102 {
 103         messaging_register(msg_ctx, NULL, MSG_DEBUG, debug_message);
 104         messaging_register(msg_ctx, NULL, MSG_REQ_DEBUGLEVEL,
 105                            debuglevel_message);
 106 }