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syslogd: add option to suppress logging of messages lower than level N (-n N)
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39d551fd15
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1decd0e529
@ -2780,7 +2780,8 @@ USE_FEATURE_START_STOP_DAEMON_FANCY( \
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"\t-m MIN\t\tMinutes between MARK lines (default=20, 0=off)\n" \
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"\t-n\t\tRun as a foreground process\n" \
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"\t-O FILE\t\tUse an alternate log file (default=/var/log/messages)\n" \
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"\t-S\t\tMake logging output smaller." \
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"\t-l n\tSets the local log level of messages to n\n" \
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"\t-S\t\tMake logging output smaller" \
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USE_FEATURE_ROTATE_LOGFILE( \
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"\n\t-s SIZE\t\tMax size (KB) before rotate (default=200KB, 0=off)\n" \
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"\t-b NUM\t\tNumber of rotated logs to keep (default=1, max=99, 0=purge)") \
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@ -42,6 +42,9 @@ static int logFileRotate = 1;
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/* interval between marks in seconds */
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static int MarkInterval = 20 * 60;
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/* level of messages to be locally logged */
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static int logLevel = 8;
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/* localhost's name */
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static char LocalHostName[64];
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@ -413,11 +416,13 @@ retry:
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#endif
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{
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/* now spew out the message to wherever it is supposed to go */
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if (pri == 0 || LOG_PRI(pri) < logLevel) {
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if (opts & SYSLOG_OPT_small)
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message("%s %s\n", timestamp, msg);
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else
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message("%s %s %s %s\n", timestamp, LocalHostName, res, msg);
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}
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}
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}
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static void quit_signal(int sig)
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@ -581,6 +586,13 @@ int syslogd_main(int argc, char **argv)
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case 'O':
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logFilePath = optarg;
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break;
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case 'l':
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logLevel = atoi(optarg);
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/* Valid levels are between 1 and 8 */
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if (logLevel < 1 || logLevel > 8) {
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bb_show_usage();
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}
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break;
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#ifdef CONFIG_FEATURE_ROTATE_LOGFILE
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case 's':
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logFileSize = atoi(optarg) * 1024;
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