Beispiel #1
0
/**
 * get_local_timezone_ofs:
 * @when: time in UTC
 *
 * Return the zone offset (measured in seconds) of @when expressed in local
 * time. The function also takes care about daylight saving.
 **/
long
get_local_timezone_ofs(time_t when)
{
#ifdef HAVE_STRUCT_TM_TM_GMTOFF
    struct tm ltm;

    cached_localtime(&when, &ltm);
    return ltm.tm_gmtoff;

#else

    struct tm gtm;
    struct tm ltm;
    long tzoff;

    cached_localtime(&when, &ltm);
    cached_gmtime(&when, &gtm);

    tzoff = (ltm.tm_hour - gtm.tm_hour) * 3600;
    tzoff += (ltm.tm_min - gtm.tm_min) * 60;
    tzoff += ltm.tm_sec - gtm.tm_sec;

    if (tzoff > 0 && (ltm.tm_year < gtm.tm_year || ltm.tm_mon < gtm.tm_mon || ltm.tm_mday < gtm.tm_mday))
        tzoff -= 86400;
    else if (tzoff < 0 && (ltm.tm_year > gtm.tm_year || ltm.tm_mon > gtm.tm_mon || ltm.tm_mday > gtm.tm_mday))
        tzoff += 86400;

    return tzoff;
#endif /* HAVE_STRUCT_TM_TM_GMTOFF */
}
Beispiel #2
0
/**
 * log_stamp_format:
 * @stamp: Timestamp to format
 * @target: Target storage for formatted timestamp
 * @ts_format: Specifies basic timestamp format (TS_FMT_BSD, TS_FMT_ISO)
 * @zone_offset: Specifies custom zone offset if @tz_convert == TZ_CNV_CUSTOM
 *
 * Emits the formatted version of @stamp into @target as specified by
 * @ts_format and @tz_convert.
 **/
void
log_stamp_append_format(const LogStamp *stamp, GString *target, gint ts_format, glong zone_offset, gint frac_digits)
{
  glong target_zone_offset = 0;
  struct tm *tm, tm_storage;
  char buf[8];
  time_t t;

  if (zone_offset != -1)
    target_zone_offset = zone_offset;
  else
    target_zone_offset = stamp->zone_offset;

  t = stamp->tv_sec + target_zone_offset;
  cached_gmtime(&t, &tm_storage);
  tm = &tm_storage;
  switch (ts_format)
    {
    case TS_FMT_BSD:
      g_string_append(target, month_names_abbrev[tm->tm_mon]);
      g_string_append_c(target, ' ');
      format_uint32_padded(target, 2, ' ', 10, tm->tm_mday);
      g_string_append_c(target, ' ');
      format_uint32_padded(target, 2, '0', 10, tm->tm_hour);
      g_string_append_c(target, ':');
      format_uint32_padded(target, 2, '0', 10, tm->tm_min);
      g_string_append_c(target, ':');
      format_uint32_padded(target, 2, '0', 10, tm->tm_sec);
      log_stamp_append_frac_digits(stamp, target, frac_digits);
      break;
    case TS_FMT_ISO:
      format_uint32_padded(target, 0, 0, 10, tm->tm_year + 1900);
      g_string_append_c(target, '-');
      format_uint32_padded(target, 2, '0', 10, tm->tm_mon + 1);
      g_string_append_c(target, '-');
      format_uint32_padded(target, 2, '0', 10, tm->tm_mday);
      g_string_append_c(target, 'T');
      format_uint32_padded(target, 2, '0', 10, tm->tm_hour);
      g_string_append_c(target, ':');
      format_uint32_padded(target, 2, '0', 10, tm->tm_min);
      g_string_append_c(target, ':');
      format_uint32_padded(target, 2, '0', 10, tm->tm_sec);

      log_stamp_append_frac_digits(stamp, target, frac_digits);
      format_zone_info(buf, sizeof(buf), target_zone_offset);
      g_string_append(target, buf);
      break;
    case TS_FMT_FULL:
      format_uint32_padded(target, 0, 0, 10, tm->tm_year + 1900);
      g_string_append_c(target, ' ');
      g_string_append(target, month_names_abbrev[tm->tm_mon]);
      g_string_append_c(target, ' ');
      format_uint32_padded(target, 2, ' ', 10, tm->tm_mday);
      g_string_append_c(target, ' ');
      format_uint32_padded(target, 2, '0', 10, tm->tm_hour);
      g_string_append_c(target, ':');
      format_uint32_padded(target, 2, '0', 10, tm->tm_min);
      g_string_append_c(target, ':');
      format_uint32_padded(target, 2, '0', 10, tm->tm_sec);

      log_stamp_append_frac_digits(stamp, target, frac_digits);
      break;
    case TS_FMT_UNIX:
      format_uint32_padded(target, 0, 0, 10, (int) stamp->tv_sec);
      log_stamp_append_frac_digits(stamp, target, frac_digits);
      break;
    default:
      g_assert_not_reached();
      break;
    }
}
Beispiel #3
0
gboolean
log_macro_expand(GString *result, gint id, gboolean escape, LogTemplateOptions *opts, gint tz, gint32 seq_num, const gchar *context_id, LogMessage *msg)
{
  static LogTemplateOptions default_opts = { TRUE, TS_FMT_BSD, 0, { NULL, NULL }, { NULL, NULL } };

  if (!opts)
    opts = &default_opts;
  switch (id)
    {
    case M_FACILITY:
      {
        /* facility */
        const char *n;
        
        n = syslog_name_lookup_name_by_value(msg->pri & LOG_FACMASK, sl_facilities);
        if (n)
          {
            g_string_append(result, n);
          }
        else
          {
            format_uint32_padded(result, 0, 0, 16, (msg->pri & LOG_FACMASK) >> 3);
          }
        break;
      }
    case M_FACILITY_NUM:
      {
        format_uint32_padded(result, 0, 0, 10, (msg->pri & LOG_FACMASK) >> 3);
        break;
      }
    case M_LEVEL:
      {
        /* level */
        const char *n;
        
        n = syslog_name_lookup_name_by_value(msg->pri & LOG_PRIMASK, sl_levels);
        if (n)
          {
            g_string_append(result, n);
          }
        else
          {
            format_uint32_padded(result, 0, 0, 10, msg->pri & LOG_PRIMASK);
          }

        break;
      }
    case M_LEVEL_NUM:
      {
        format_uint32_padded(result, 0, 0, 10, msg->pri & LOG_PRIMASK);
        break;
      }
    case M_TAG:
      {
        format_uint32_padded(result, 2, '0', 16, msg->pri);
        break;
      }
    case M_TAGS:
      {
        log_msg_print_tags(msg, result);
        break;
      }
    case M_BSDTAG:
      {
        format_uint32_padded(result, 0, 0, 10, (msg->pri & LOG_PRIMASK));
        g_string_append_c(result, (((msg->pri & LOG_FACMASK) >> 3) + 'A'));
        break;
      }
    case M_PRI:
      {
        format_uint32_padded(result, 0, 0, 10, msg->pri);
        break;
      }
    case M_HOST:
      {
        if (msg->flags & LF_CHAINED_HOSTNAME)
          {
            /* host */
            const gchar *p1, *p2;
            int remaining, length;
            gssize host_len;
            const gchar *host = log_msg_get_value(msg, LM_V_HOST, &host_len);
            
            p1 = memchr(host, '@', host_len);
            
            if (p1)
              p1++;
            else
              p1 = host;
            remaining = host_len - (p1 - host);
            p2 = memchr(p1, '/', remaining);
            length = p2 ? p2 - p1 
              : host_len - (p1 - host);
            
            result_append(result, p1, length, escape);
          }
        else
          {
            result_append_value(result, msg, LM_V_HOST, escape);
          }
        break;
      }
    case M_SDATA:
      if (escape)
        {
          GString *sdstr = g_string_sized_new(0);
          
          log_msg_append_format_sdata(msg, sdstr, seq_num);
          result_append(result, sdstr->str, sdstr->len, TRUE);
          g_string_free(sdstr, TRUE);
        }
      else
        {
          log_msg_append_format_sdata(msg, result, seq_num);
        }
      break;
    case M_MSGHDR:
      if ((msg->flags & LF_LEGACY_MSGHDR))
        {
          /* fast path for now, as most messages come from legacy devices */

          result_append_value(result, msg, LM_V_LEGACY_MSGHDR, escape);
        }
      else
        {
          /* message, complete with program name and pid */
          gssize len;

          len = result->len;
          result_append_value(result, msg, LM_V_PROGRAM, escape);
          if (len != result->len)
            {
              const gchar *pid = log_msg_get_value(msg, LM_V_PID, &len);
              if (len > 0)
                {
                  result_append(result, "[", 1, FALSE);
                  result_append(result, pid, len, escape);
                  result_append(result, "]", 1, FALSE);
                }
              result_append(result, ": ", 2, FALSE);
            }
        }
      break;
    case M_MESSAGE:
      if (cfg_is_config_version_older(configuration, 0x0300))
        log_macro_expand(result, M_MSGHDR, escape, opts, tz, seq_num, context_id, msg);
      result_append_value(result, msg, LM_V_MESSAGE, escape);
      break;
    case M_SOURCE_IP:
      {
        gchar *ip;

        if (msg->saddr && (g_sockaddr_inet_check(msg->saddr) ||
#if ENABLE_IPV6
            g_sockaddr_inet6_check(msg->saddr))
#else
            0)
#endif
           )
          {
            gchar buf[MAX_SOCKADDR_STRING];

            g_sockaddr_format(msg->saddr, buf, sizeof(buf), GSA_ADDRESS_ONLY);
            ip = buf;
          }
        else
          {
            ip = "127.0.0.1";
          }
        result_append(result, ip, strlen(ip), escape);
        break;
      }
    case M_SEQNUM:
      {
        if (seq_num)
          {
            format_uint32_padded(result, 0, 0, 10, seq_num);
          }
        break;
      }
    case M_CONTEXT_ID:
      {
        if (context_id)
          {
            result_append(result, context_id, strlen(context_id), escape);
          }
        break;
      }
    case M_LOGHOST:
      {
        gsize hname_len;
        const gchar *hname = get_local_hostname(&hname_len);

        result_append(result, hname, hname_len, escape);
        break;
      }
    case M_SYSUPTIME:
      {
        GTimeVal ct;

        g_get_current_time(&ct);
        format_uint64_padded(result, 0, 0, 10, g_time_val_diff(&ct, &app_uptime) / 1000 / 10);
        break;
      }

    default:
      {
        /* year, month, day */
        struct tm *tm, tm_storage;
        gchar buf[64];
        gint length;
        time_t t;
        LogStamp *stamp, sstamp;
        glong zone_ofs;
        guint tmp_hour;

        if (id >= M_TIME_FIRST && id <= M_TIME_LAST)
          {
            stamp = &msg->timestamps[LM_TS_STAMP];
          }
        else if (id >= M_TIME_FIRST + M_RECVD_OFS && id <= M_TIME_LAST + M_RECVD_OFS)
          {
            id -= M_RECVD_OFS;
            stamp = &msg->timestamps[LM_TS_RECVD];
          }
        else if (id >= M_TIME_FIRST + M_STAMP_OFS && id <= M_TIME_LAST + M_STAMP_OFS)
          {
            id -= M_STAMP_OFS;
            stamp = &msg->timestamps[LM_TS_STAMP];
          }
	else if (id >= M_TIME_FIRST + M_CSTAMP_OFS && id <= M_TIME_LAST + M_CSTAMP_OFS)
	  {
	    GTimeVal tv;
	    
	    id -= M_CSTAMP_OFS;
	    cached_g_current_time(&tv);
	    sstamp.tv_sec = tv.tv_sec;
	    sstamp.tv_usec = tv.tv_usec;
	    sstamp.zone_offset = -1;
	    stamp = &sstamp;
	  }
	else
          {
            g_assert_not_reached();
            break;
          }

        /* try to use the following zone values in order:
         *   destination specific timezone, if one is specified
         *   message specific timezone, if one is specified
         *   local timezone
         */
        zone_ofs = (opts->time_zone_info[tz] != NULL ? time_zone_info_get_offset(opts->time_zone_info[tz], stamp->tv_sec) : stamp->zone_offset);
        if (zone_ofs == -1)
          zone_ofs = stamp->zone_offset;

        t = stamp->tv_sec + zone_ofs;

        cached_gmtime(&t, &tm_storage);
        tm  = &tm_storage;

        switch (id)
          {
          case M_WEEK_DAY_ABBREV:
            g_string_append_len(result, weekday_names_abbrev[tm->tm_wday], 3);
            break;
          case M_WEEK_DAY_NAME:
            g_string_append(result, weekday_names[tm->tm_wday]);
            break;
          case M_WEEK_DAY:
            format_uint32_padded(result, 0, 0, 10, tm->tm_wday + 1);
            break;
          case M_WEEK:
            format_uint32_padded(result, 2, '0', 10, (tm->tm_yday - (tm->tm_wday - 1 + 7) % 7 + 7) / 7);
            break;
          case M_YEAR:
            format_uint32_padded(result, 4, '0', 10, tm->tm_year + 1900);
            break;
          case M_YEAR_DAY:
            format_uint32_padded(result, 3, '0', 10, tm->tm_yday + 1);
            break;
          case M_MONTH:
            format_uint32_padded(result, 2, '0', 10, tm->tm_mon + 1);
            break;
          case M_MONTH_WEEK:
            format_uint32_padded(result, 0, 0, 10, ((tm->tm_mday / 7) + ((tm->tm_wday > 0) && ((tm->tm_mday % 7) >= tm->tm_wday))));
            break;
          case M_MONTH_ABBREV:
            g_string_append_len(result, month_names_abbrev[tm->tm_mon], 3);
            break;
          case M_MONTH_NAME:
            g_string_append(result, month_names[tm->tm_mon]);
            break;
          case M_DAY:
            format_uint32_padded(result, 2, '0', 10, tm->tm_mday);
            break;
          case M_HOUR:
            format_uint32_padded(result, 2, '0', 10, tm->tm_hour);
            break;
          case M_HOUR12:
            if (tm->tm_hour < 12)
              tmp_hour = tm->tm_hour;
            else
              tmp_hour = tm->tm_hour - 12;

            if (tmp_hour == 0)
              tmp_hour = 12;
            format_uint32_padded(result, 2, '0', 10, tmp_hour);
            break;
          case M_MIN:
            format_uint32_padded(result, 2, '0', 10, tm->tm_min);
            break;
          case M_SEC:
            format_uint32_padded(result, 2, '0', 10, tm->tm_sec);
            break;
          case M_MSEC:
            format_uint32_padded(result, 3, '0', 10, stamp->tv_usec/1000);
            break;
          case M_USEC:
            format_uint32_padded(result, 6, '0', 10, stamp->tv_usec);
            break;
          case M_AMPM:
            g_string_append(result, tm->tm_hour < 12 ? "AM" : "PM");
            break;
          case M_DATE:
          case M_STAMP:
          case M_ISODATE:
          case M_FULLDATE:
          case M_UNIXTIME:
            {
              gint format = id == M_DATE ? TS_FMT_BSD : 
                            id == M_ISODATE ? TS_FMT_ISO :
                            id == M_FULLDATE ? TS_FMT_FULL :
                            id == M_UNIXTIME ? TS_FMT_UNIX :
                            opts->ts_format;
              
              log_stamp_append_format(stamp, result, format, zone_ofs, opts->frac_digits);
              break;
            }
          case M_TZ:
          case M_TZOFFSET:
            length = format_zone_info(buf, sizeof(buf), zone_ofs);
            g_string_append_len(result, buf, length);
            break;
          }
        break;
      }
    }