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
2018-03-27 17:17:58 +00:00
2018-04-13 20:30:49 +00:00
2018-03-27 17:17:58 +00:00
2016-09-29 06:19:45 +00:00
2017-12-19 03:38:06 +00:00
2017-12-31 16:48:04 +00:00
2018-03-27 17:03:01 +00:00
2018-03-27 17:03:01 +00:00
2018-03-02 14:42:08 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

For copyright information, please see the file COPYRIGHT in this directory (additional copyright information also exists for some sources in this tree - please see the specific source directories for more information).

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7) and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html for more information, including setting make(1) variables.

The buildkernel and installkernel targets build and install the kernel and the modules (see below). Please see the top of the Makefile in this directory for more information on the standard build targets and compile-time flags.

Building a kernel is a somewhat more involved process. See build(7), config(8), and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information.

Note: If you want to build and install the kernel with the buildkernel and installkernel targets, you might need to build world before. More information is available in the handbook.

The kernel configuration files reside in the sys/<arch>/conf sub-directory. GENERIC is the default configuration used in release builds. NOTES contains entries and documentation for all possible devices, not just those commonly used.

Source Roadmap:

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cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

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include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

tests		Regression tests which can be run by Kyua.  See tests/README
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tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

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https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html

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