Commit Graph

82 Commits

Author SHA1 Message Date
Ed Schouten
8ab684e234 Document that syslogd -v has no effect when RFC 5424 mode is enabled.
The variable it sets, LogFacPri, is only used in the RFC 3164 formatting
codepath.

PR:		229457
Reported by:	Andre Albsmeier
MFC after:	1 week
2018-07-02 11:02:27 +00:00
Ed Schouten
5caf54c7a4 Use proper alphabetic sorting of options. 2018-04-15 08:44:26 +00:00
Ed Schouten
1a874a126a Add RFC 5424 syslog message output to syslogd.
- Move all of the code responsible for transmitting log messages into a
  separate function, fprintlog_write().
- Instead of manually modifying a list of iovecs, add a structure
  iovlist with some helper functions.
- Alter the F_FORW (UDP message forwarding) case to also use iovecs like
  the other cases. Use sendmsg() instead of sendto().
- In the case of F_FORW, truncate the message to a size dependent on the
  address family (AF_INET, AF_INET6), as proposed by RFC 5426.
- Move all traditional message formatting into fprintlog_bsd(). Get rid
  of some of the string copying and snprintf()'ing. Simply emit more
  iovecs to get the job done.
- Increase ttymsg()'s limit of 7 iovecs to 32. Add a definition for this
  limit, so it can be reused by iovlist.
- Add fprintlog_rfc5424() to emit RFC 5424 formatted log entries.
- Add a "-O" command line option to enable RFC 5424 formatting. It would
  have been nicer if we supported "-o rfc5424", just like on NetBSD.
  Unfortunately, the "-o" flag is already used for a different purpose
  on FreeBSD.
- Don't truncate hostnames in the RFC 5424 case, as suggested by that
  specific RFC.

For people interested in using this, this feature can be enabled by
adding the following line to /etc/rc.conf:

  syslogd_flags="-s -O rfc5424"

Differential Revision:	https://reviews.freebsd.org/D15011
2018-04-15 08:34:16 +00:00
Gleb Smirnoff
50387adce2 When parsing remote messages, require them to have standard timestamp
field, and support properly parse out the hostname as described by RFC3164,
which wasn't done before.  However, don't discard message if it doesn't
have hostname, for compatibility.

Enable logging of the message supplied hostname instead of real hostname
with -H switch.

PR:		200933
Reported by:	Konstantin Pavlov <thresh nginx.com>
MFC after:	2 months
2017-12-05 19:54:55 +00:00
Enji Cooper
6dbd2714db Correct nuance of -a :service -> "*" in r314563, r314585
My attempt to correct the sender/receiver behavior was incorrect.
The source port of the sender for forwarded datagrams is filtered
with -a, and my change in r314585 didn't clarify that point at all.

Wording is based on suggestion by hrs.

MFC after:	28 days
X-MFC with:	r314563, r314585
Reported by:	hrs
In collaboration with:	hrs, rgrimes
Sponsored by:	Dell EMC Isilon
2017-03-04 06:19:41 +00:00
Enji Cooper
3dd94b6769 Correct verb change for service => * after r314563
`*` means that packets will be received from a remote peer on any port.
Since the point of interest is the syslogd instance (not the remote peer),
the appropriate verb is "received", not "sent".

MFC after:	1 month
X-MFC with:	r314563
Sponsored by:	Dell EMC Isilon
2017-03-03 06:13:59 +00:00
Enji Cooper
bc4536df9d Wordsmith syslogd(8)
- Clarify -p/-S options by using appropriate subject-verb modifiers
  (verb and modifiers suggested that the subject should have been
  singular).
- Simplify/correct -a description:
-- Be more terse when describing IPv4 (the "usual dotted notation"
   isn't necessarily well understood by the reader). Being blunt and
   saying "IPv4 address" with an optional netmask is.
-- prefixlen is the appropriate terminology for IPv6.
-- mask/prefixlen is optional, not required (as noted later on in the
   section).
-- split up IPv4/IPv6 use so to clarify both forms.
-- Fix wordiness when describing the optional "service" specifier.
- -T: Use "cannot" instead of "can't" [*].

Bump .Dd for the changes.

MFC after:	1 month
Reported by:	igor [*]
Reviewed by:	hrs
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D9855
2017-03-02 18:07:19 +00:00
Warner Losh
fbbd9655e5 Renumber copyright clause 4
Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by:	Jan Schaumann <jschauma@stevens.edu>
Pull Request:	https://github.com/freebsd/freebsd/pull/96
2017-02-28 23:42:47 +00:00
Hiroki Sato
a3dc138e75 mdoc and style fixes. 2016-12-23 04:59:22 +00:00
Hiroki Sato
c532386291 - Use fnmatch(3) for domanname matching of -a options.
- Document the patten matching.
- Document -S flag in SYNOPSIS.
2016-12-21 05:45:59 +00:00
Hiroki Sato
97456b7413 Escape punctuation characters. 2016-12-20 08:49:13 +00:00
Rui Paulo
38076b4ba5 syslogd: support multiple -b options.
It's now possible to bind multiple sockets to different IP addresses.

PR:		159305
Submitted by:	Kurt Lidl <lidl pix.net>
Sponsored by:	Pi-Coral, Inc.
2015-06-16 22:26:22 +00:00
Sergey Kandaurov
fb0e21cfe8 Update .Dd, sync usage() for -F. Missed in previous change. 2015-03-03 20:23:59 +00:00
Rui Paulo
36285e787f Add and document an option to cause syslogd to run in the
foreground.

This allows a separate process to monitor when and how
syslogd exits. That process can then restart syslogd if needed.

Differential Revision:	https://reviews.freebsd.org/D1985
Submitted by:	Ravi Pokala
Reviewed by:	allanjude (man page)
2015-03-03 20:07:59 +00:00
Joel Dahl
8972c8b6a5 Minor spelling fixes. 2012-06-03 11:29:48 +00:00
Sean Bruno
815a08056d Update man page to present -T argument in synopsis
MFC with r183347

MFC after:	0 days
2012-03-14 21:26:06 +00:00
Xin LI
35741267c0 Add a new option, -N to disable the default and recommended syslogd(8)
behavior, which binds to the well known UDP port.

This option implies -s.

MFC after:	2 months
2011-07-14 07:33:53 +00:00
Oliver Fromme
974835c956 syslogd(8) already supports *sending* log messages to non-
standard ports, but it can't *receive* them (port 514 is
hardcoded).  This commit adds that missing feature.

(NB:  I actually needed this feature for a server farm where
multiple jails run with shared IP addresses, and every jail
should have its own syslogd process.)

As a side effect, syslogd now compiles with WARNS=6.

Approved by:	des (mentor)
MFC after:	3 weeks
2010-08-07 16:20:12 +00:00
Tom Rhodes
efe78a46f7 Use "allowed_peer" throughout this manual page. 2008-12-07 18:45:30 +00:00
David Malone
cfcf794e5f Add a flag, -T, that tells syslogd to always replace the timestamp on
messages from the network. We already replace malformatted timestamps
and this option lets us replace timestamps that are correctly formatted
but wrong.

PR:		120891
Submitted by:	Thomas Vogt <thomas@bsdunix.ch>
MFC after:	1 week
2008-09-25 09:28:18 +00:00
Brian Somers
d7022add17 Add a -8 switch to syslogd to prevent it from mangling 8-bit data. 2008-05-14 00:22:21 +00:00
Pawel Jakub Dawidek
c503ddf2cc By default (for security reasons) syslogd(8) doesn't create log files
when they don't exist, but sometimes its quite useful (eg. we use
non-standard log files and memory backed /var/, which is populated on
boot).

Add -C option which tells syslogd(8) to create log files if they don't
exist.

Glanced at by:	phk
MFC after:	3 days
2006-03-06 10:36:33 +00:00
Hiroki Sato
15f3d79b55 Add -S option which allows to change the pathname of the privileged
socket /var/run/logpriv.

Reviewed by:	glebius and kensmith
MFC after:	2 days
2005-04-13 03:19:41 +00:00
Ruslan Ermilov
0227791b40 Expand *n't contractions. 2005-02-13 22:25:33 +00:00
Ruslan Ermilov
1a74e6a157 Scheduled mdoc(7) sweep. 2005-01-11 11:47:22 +00:00
Gleb Smirnoff
204d318009 s/priveleged/privileged/ 2004-11-18 13:37:33 +00:00
Ken Smith
de655741ce Bump document date.
Noticed by:     trhodes
Pointy hat:     kensmith
MFC after:      1 week
2004-11-09 04:41:12 +00:00
Ken Smith
83d71f6175 Add newsyslog(8) to the "See Also" section.
MFC after:	1 week
2004-11-09 04:31:31 +00:00
Gleb Smirnoff
240d5a9b1c Protect against local flooder of /var/run/log. Do not loop forever in
syslog(3) if we are a priveleged program (sshd, su, etc.).

- Make syslogd open an additional socket /var/run/logpriv, with 0600
  permissions.
- In libc, try to use this socket.
- Do not loop forever if we are using this socket (partial backout of 1.31)

Reviewed by:	dwmalone, Andrea Campi <andrea webcom it>
Approved by:	julian (mentor)
MFC after:	1 month
2004-11-04 23:09:57 +00:00
Gleb Smirnoff
247444670e - Use stailqueue for sockets instead of socket buffer. Thus
remove limit for 20 sockets.
- Add possibility to specify file mode for sockets created with '-l'.
- Check that socket name in '-l' is absolute.

Reviewed by:	dwmalone, Andrea Campi <andrea webcom it>
Approved by:	julian (mentor)
2004-11-04 22:20:21 +00:00
Warner Losh
486c8cc4c6 Per letter dated July 22, 1999 remove 3rd clause of Berkeley derived software
(with permission of addtional copyright holders where appropriate)
2004-08-07 04:28:56 +00:00
Ruslan Ermilov
07bfccd71e Mechanically kill hard sentence breaks. 2004-07-02 23:13:00 +00:00
Ruslan Ermilov
fe08efe680 mdoc(7): Use the new feature of the .In macro. 2003-09-08 19:57:22 +00:00
Ruslan Ermilov
8d5d039f80 Uniformly refer to a file system as "file system".
Approved by:	re
2002-12-12 17:26:04 +00:00
Ruslan Ermilov
c041c1e0d9 mdoc(7) police: markup fixes.
Approved by:	re
2002-11-27 15:31:08 +00:00
Tim J. Robbins
7c5bf58a15 Add -c option to synopsis. Sort it alphabetically, too. 2002-10-18 11:42:21 +00:00
Philippe Charnier
490d5836b5 The .Nm utility 2002-07-14 14:47:15 +00:00
Ruslan Ermilov
8c9d547186 mdoc(7) police: add missing markup bit. 2002-01-10 15:16:58 +00:00
Archie Cobbs
3a0ac99551 Add a new flag '-c' to disable repeated line compression when the output
is a pipe to another program, or, if specified twice, in all cases.

PR:	bin/32420
2002-01-05 07:34:52 +00:00
Ruslan Ermilov
d3f58d4008 mdoc(7) police: markup nits. 2001-12-08 16:17:49 +00:00
Dima Dorfman
a53dffb774 Make the default kernel prefix "kernel:" instead of the boot file,
with the old behavior available via the -o option (it might still be
useful if one has many kernels and cares which messages came from
which).  If the boot file is not used as the prefix, it is still
logged once at startup.

This change is prompted by the fact that the boot file is now much
longer ("/boot/kernel/kernel" vs. "/kernel"), which significanlty
bloats the syslogd output.

Reviewed by:	peter
2001-11-27 20:02:18 +00:00
Dima Dorfman
f676ae2b46 Introduce a -b option that allows the user to specify which address to
bind to.  This is useful for hosts running jails that need syslog to
maintain an open socket to log to a remote host.

Reviewed by:	sheldonh
2001-09-01 08:42:49 +00:00
Dima Dorfman
9e5726611c Don't make it sound like -A is turning on the default behavior. 2001-08-27 11:04:09 +00:00
Mike Barcroft
e3608b7813 Document the fact that syslogd(8) requires logs files to be created
before it will start logging to them.

PR:		27088
Approved by:	des
MFC after:	10 days
2001-07-18 13:31:08 +00:00
Dima Dorfman
f247324df7 Remove whitespace at EOL. 2001-07-15 08:06:20 +00:00
Ruslan Ermilov
a4c37c816b mdoc(7) police: removed HISTORY info from the .Os call. 2001-07-10 15:12:08 +00:00
Ruslan Ermilov
be5c8032a0 Note that -a is ignored if -s is also specified. 2001-06-06 12:48:22 +00:00
Ruslan Ermilov
8fcaaa2e12 mdoc(7) police: uppercase abbreviations in revision 1.34. 2001-05-16 09:43:48 +00:00
David Malone
f0ee959841 Add the ability to specify alternate PID file for syslogd.
PR:		25784
Submitted by:	Jon Villarreal <jonv@ivmg.net>
Reviewed by:	iedowse
2001-05-10 15:48:33 +00:00
Ruslan Ermilov
bcdf5ca7c6 Prepare for mdocNG. 2001-02-26 09:05:48 +00:00