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Sync with FreeBSD syslogd to get full RFC5424 support

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This massive patch brings support for parsing incoming syslog messages,
remote or local, to determine if format is RFC5424 or the older RFC3164.
For logging syslogd currently defaults to RFC3164 for local files and
supports RFC5424 for sending to remote servers.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2019-10-29 09:01:01 +01:00
parent 4f45f3c22f
commit ee2d0ce106
3 changed files with 826 additions and 399 deletions
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37
src/syslog.h
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@@ -34,10 +34,28 @@
#ifndef _SYS_SYSLOG_H_ /* From NetBSD, for co-existance with C-library header */
#define _SYS_SYSLOG_H_
#include "config.h"
#include <features.h>
#include <stdarg.h>
#define _PATH_LOG "/var/run/log"
/*
* Default on *BSD is /var/run/log, but on Linux systems with
* systemd/journald this is reserved and may already exist as
* a directory. For compatibility with GLIBC syslog API, for
* those who opt not to use this replacement API, we use the
* default/traditional Linux path /dev/log. In case we're in
* unit TESTING mode we usr /tmp/log.sock
*/
#ifndef TESTING
# ifndef __linux__
# define _PATH_LOG "/var/run/log"
# else
# define _PATH_LOG "/dev/log"
# endif
#else
# define _PATH_LOG "/tmp/log.sock"
#endif
/*
* priorities/facilities are encoded into a single 32-bit quantity, where the
@@ -161,14 +179,15 @@ CODE facilitynames[] = {
* LOG_ODELAY no longer does anything.
* LOG_NDELAY is the inverse of what it used to be.
*/
#define LOG_PID 0x01 /* log the pid with each message */
#define LOG_CONS 0x02 /* log on the console if errors in sending */
#define LOG_ODELAY 0x04 /* delay open until first syslog() (default) */
#define LOG_NDELAY 0x08 /* don't delay open */
#define LOG_NOWAIT 0x10 /* don't wait for console forks: DEPRECATED */
#define LOG_PERROR 0x20 /* log to stderr as well */
#define LOG_PTRIM 0x40 /* trim tag and pid from messages to stderr */
#define LOG_NLOG 0x80 /* don't write to the system log */
#define LOG_PID 0x001 /* log the pid with each message */
#define LOG_CONS 0x002 /* log on the console if errors in sending */
#define LOG_ODELAY 0x004 /* delay open until first syslog() (default) */
#define LOG_NDELAY 0x008 /* don't delay open */
#define LOG_NOWAIT 0x010 /* don't wait for console forks: DEPRECATED */
#define LOG_PERROR 0x020 /* log to stderr as well */
#define LOG_PTRIM 0x040 /* trim tag and pid from messages to stderr */
#define LOG_NLOG 0x080 /* don't write to the system log */
#define LOG_STDOUT 0x100 /* like nlog, for debugging syslogp() API */
#ifndef __KERNEL__