Line data    Source code

       1             : /*
       2             :     SSSD
       3             : 
       4             :     sss_log.c
       5             : 
       6             :     Authors:
       7             :         Stephen Gallagher <sgallagh@redhat.com>
       8             : 
       9             :     Copyright (C) 2010 Red Hat
      10             : 
      11             :     This program is free software; you can redistribute it and/or modify
      12             :     it under the terms of the GNU General Public License as published by
      13             :     the Free Software Foundation; either version 3 of the License, or
      14             :     (at your option) any later version.
      15             : 
      16             :     This program is distributed in the hope that it will be useful,
      17             :     but WITHOUT ANY WARRANTY; without even the implied warranty of
      18             :     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19             :     GNU General Public License for more details.
      20             : 
      21             :     You should have received a copy of the GNU General Public License
      22             :     along with this program.  If not, see <http://www.gnu.org/licenses/>.
      23             : */
      24             : 
      25             : #include "util/util.h"
      26             : 
      27             : #ifdef WITH_JOURNALD
      28             : #include <systemd/sd-journal.h>
      29             : #else  /* WITH_JOURNALD */
      30             : #include <syslog.h>
      31             : #endif /* WITH_JOURNALD */
      32             : 
      33           2 : static int sss_to_syslog(int priority)
      34             : {
      35           2 :     switch(priority) {
      36             :     case SSS_LOG_EMERG:
      37           0 :         return LOG_EMERG;
      38             :     case SSS_LOG_ALERT:
      39           0 :         return LOG_ALERT;
      40             :     case SSS_LOG_CRIT:
      41           1 :         return LOG_CRIT;
      42             :     case SSS_LOG_ERR:
      43           0 :         return LOG_ERR;
      44             :     case SSS_LOG_WARNING:
      45           1 :         return LOG_WARNING;
      46             :     case SSS_LOG_NOTICE:
      47           0 :         return LOG_NOTICE;
      48             :     case SSS_LOG_INFO:
      49           0 :         return LOG_INFO;
      50             :     case SSS_LOG_DEBUG:
      51           0 :         return LOG_DEBUG;
      52             :     default:
      53             :         /* If we've been passed an invalid priority, it's
      54             :          * best to assume it's an emergency.
      55             :          */
      56           0 :         return LOG_EMERG;
      57             :     }
      58             : }
      59             : 
      60             : static void sss_log_internal(int priority, int facility, const char *format,
      61             :                              va_list ap);
      62             : 
      63           2 : void sss_log(int priority, const char *format, ...)
      64             : {
      65             :     va_list ap;
      66             : 
      67           2 :     va_start(ap, format);
      68           2 :     sss_log_internal(priority, LOG_DAEMON, format, ap);
      69           2 :     va_end(ap);
      70           2 : }
      71             : 
      72           0 : void sss_log_ext(int priority, int facility, const char *format, ...)
      73             : {
      74             :     va_list ap;
      75             : 
      76           0 :     va_start(ap, format);
      77           0 :     sss_log_internal(priority, facility, format, ap);
      78           0 :     va_end(ap);
      79           0 : }
      80             : 
      81             : 
      82             : 
      83             : #ifdef WITH_JOURNALD
      84             : 
      85             : static void sss_log_internal(int priority, int facility, const char *format,
      86             :                              va_list ap)
      87             : {
      88             :     int syslog_priority;
      89             :     int ret;
      90             :     char *message;
      91             :     const char *domain;
      92             : 
      93             :     ret = vasprintf(&message, format, ap);
      94             : 
      95             :     if (ret == -1) {
      96             :         /* ENOMEM */
      97             :         return;
      98             :     }
      99             : 
     100             :     domain = getenv(SSS_DOM_ENV);
     101             :     if (domain == NULL) {
     102             :         domain = "";
     103             :     }
     104             : 
     105             :     syslog_priority = sss_to_syslog(priority);
     106             :     sd_journal_send("MESSAGE=%s", message,
     107             :                     "SSSD_DOMAIN=%s", domain,
     108             :                     "PRIORITY=%i", syslog_priority,
     109             :                     "SYSLOG_FACILITY=%i", LOG_FAC(facility),
     110             :                     "SYSLOG_IDENTIFIER=%s", debug_prg_name,
     111             :                     NULL);
     112             : 
     113             :     free(message);
     114             : }
     115             : 
     116             : #else /* WITH_JOURNALD */
     117             : 
     118           2 : static void sss_log_internal(int priority, int facility, const char *format,
     119             :                             va_list ap)
     120             : {
     121             :     int syslog_priority;
     122             : 
     123           2 :     syslog_priority = sss_to_syslog(priority);
     124             : 
     125           2 :     openlog(debug_prg_name, 0, facility);
     126             : 
     127           2 :     vsyslog(syslog_priority, format, ap);
     128             : 
     129           2 :     closelog();
     130           2 : }
     131             : 
     132             : #endif /* WITH_JOURNALD */