Commit Graph

319 Commits

Author SHA1 Message Date
Joachim Nilsson
01a46ae8cc Compress rotated files >= .1, keep .0 uncompressed
This patch adds support for rotating compressed files as well as
compressing (gzip) all files older than .1.

Props goes to @Znahoj for the first prototype implementation made at
Westermo.  Only minor changes to his draft were made.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-09-24 14:17:28 +02:00
Joachim Nilsson
5a32c5a66c Add pointers to service man pages in unit files
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 19:20:17 +02:00
Joachim Nilsson
2ceaab2a1d Run syslogd and klogd in foreground under systemd
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 19:18:40 +02:00
Joachim Nilsson
cda4c6a037 Integrate systemd unit files with paths from configure
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 19:15:44 +02:00
Joachim Nilsson
9829309bc4 Add basic systemd unit files
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 19:07:57 +02:00
Joachim Nilsson
aef7e07704 Refactor, use NULL and not (char *)0 and similar
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 19:02:25 +02:00
Joachim Nilsson
2e84a34758 Refctor, simplify return statements, no parenthesis needed
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 18:59:50 +02:00
Joachim Nilsson
f1f1ee3563 Reindent to Linux KNF
Most of the code base seemed to follow Linux style, loosely.  This patch
brings it all together.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 18:55:56 +02:00
Joachim Nilsson
53c4dd817d Fix archaic #include statements, for building with musl libc
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 16:51:13 +02:00
Joachim Nilsson
9f21a8a0f5 Refactor, replace reserved dprintf() with logit()
dprintf() was standardized by POSIX.1-2008.  This patch replaces
all occurrences with logit().

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-05 16:39:31 +02:00
Joachim Nilsson
ea586826be Flip logic to simplify code a bit
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-03 09:22:17 +02:00
Joachim Nilsson
0f01cf7cff Update usage, klogd probes for a System.map file by default
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-03 09:16:47 +02:00
Joachim Nilsson
d222e82d83 Add --with-syslogd-pidfile=FILE configure option
This enables the same functionality as the old build system, only
slightly more flexible since you don't need to edit the Makefile.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-03 09:07:36 +02:00
Joachim Nilsson
38651d9322 Add --with-klogd-delay=SEC configure option
This enables the same functionality as the old build system, only
slightly more flexible since you don't need to edit the Makefile.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-03 08:53:33 +02:00
Joachim Nilsson
2b1dd66f0f Add missing syslog.c define from conversion to GNU configure & build
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-03 08:45:45 +02:00
Joachim Nilsson
0f4d458a59 Prop up usage text and launch on -? for both klogd and syslogd
Also, avoid returning error when user actually requests help.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-03 08:10:38 +02:00
Joachim Nilsson
a08b8ee38a Add missing '*' to Emacs local variables indentation hinting
A local variables section must start with /** otherwise Emacs will
prompt the user every time if the settings should be applied.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-03 01:32:33 +02:00
Joachim Nilsson
d7bfb2c66f Activate built-in log rotation feature, disabled by default
Basically just removes the #ifdef blocks around the code.  With the
feature disabled by defult this should be safe.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-03 00:58:42 +02:00
Joachim Nilsson
1a42935c2f Document log rotation command line options
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 23:47:21 +02:00
Joachim Nilsson
614cb78aef Install ChangeLog.md and example syslog.conf in doc/ and add to dist
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 23:30:11 +02:00
Joachim Nilsson
2fda4352ea Remove doc_DATE fro src/Makefile.am, archived now
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 23:29:45 +02:00
Joachim Nilsson
83fda541e2 Rename and do initial conversion to Markdown
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 23:26:22 +02:00
Joachim Nilsson
fc7e90d25a Archive old docs
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 23:12:26 +02:00
Joachim Nilsson
5e7883318f Travis-CI: Remove ldd + size, for now
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 23:10:41 +02:00
Joachim Nilsson
221dc9ca8b Initial support for Travis-CI
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 23:07:53 +02:00
Joachim Nilsson
e6a88e13ed Replace version.h with auto-generated version from configure script
Also, remove DEBRELEASE, no longer a package with Debian focus, and add
'v' before version number in logs/usage text.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 23:02:49 +02:00
Joachim Nilsson
363b9a2201 Add new project README, with background and rationale
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 22:52:40 +02:00
Joachim Nilsson
880cb2aa4d Relocate files to man/ and src/ and change to GNU configure & build
- Relocate all source files to src/ and manual pages to man/
- Replace static Makefile with GNU configure and build system

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 22:52:40 +02:00
Joachim Nilsson
f4110c8571 Enable configuration of INET_SUSPEND_TIME from build system
When sysklogd is built with SYSLOG_INET the user can now optionally also
define the INET_SUSPEND_TIME.  The default is 180 sec, which may be a
bit too long for some systems.

In practice when a system comes up syslogd+klogd starts before all other
processes, even those that bring up the network, so waiting 3 minutes
before trying again to send to a remote syslog server would mean losing
a lot of info from the bootstrapping of a system.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 15:40:59 +02:00
Joachim Nilsson
a09150a061 Touch PID file on SIGHUP to ACK signal
When used with Finit a daemon is expected to acknowledge SIGHUP
by touching its PID file.  Finit can do this by itself, however,
but having native support for this in sysklgod is highly useful.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 15:37:02 +02:00
Joachim Nilsson
9c2d0cb9fc Ignore backed up console, continue writing when its unclogged
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 15:28:38 +02:00
Joachim Nilsson
678b309f71 Merge FreeBSD socket receive buffer size patch, SVN r259368
https://svnweb.freebsd.org/base/stable/10/usr.sbin/syslogd/syslogd.c?r1=256281&r2=259368

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 15:24:42 +02:00
Joachim Nilsson
b3aa3f4830 Add basic .gitignore file
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 15:16:29 +02:00
Joachim Nilsson
039bd99d10 Add support for built-in log rotation from BusyBox syslogd
Port log rotation from BusyBox syslogd, see SYSLOG_ROTATE_FILES.
This adds support for -b and -c options for size and rotate count.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 15:15:14 +02:00
Joachim Nilsson
aeba1d31b7 Fix build error with GCC v7.3, wait3() takes an int *status
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
2018-08-02 15:12:59 +02:00
Joey Schulze
9abddd6b55 Document changes 2014-10-04 21:44:28 +02:00
mancha
5b156a9033 Bugfix against minor vulnerability caused by invalid PRI value (CVE-2014-3634)
Rainer Gerhards, rsyslog project leader, discovered an issue in rsyslogd
where invalid priority values can trigger DoS and potentially RCE.

As his analysis reveals, the cause of the problem identified in rsyslog's
rsyslogd also exists in sysklogd's syslogd (from which rsyslogd was forked)
and stems from the use of a (LOG_FACMASK|LOG_PRIMASK) mask to detect invalid
priority values.

In sysklogd's syslogd, invalid priority values between 192 and 1023 (directly
or arrived at via overflow wraparound) can propagate through code causing
out-of-bounds access to the f_pmask array within the 'filed' structure by up
to 104 bytes past its end. Though most likely insufficient to reach
unallocated memory because there are around 544 bytes past f_pmask in 'filed'
(mod packing and other differences), incorrect access of fields at higher
positions of the 'filed' structure definition can cause unexpected behavior
including message mis-classification, forwarding issues, message loss,
or other.

This patch imposes a restriction on PRI message parts and requires they
be properly-delimited priority value strings that have non-negative
numerical values not exceeding 191. As before, sysklogd's syslogd permits
zero padding to not break compatibility with RFC-non-compliant loggers that
issue PRIs such as <0091>. Messages without well-formed PRI parts get
logged with priority user.notice (13). (c.f. RFC 3164)

Thanks to Rainer Gerhards for the initial report and analysis.
2014-10-04 21:34:41 +02:00
Joey Schulze
2a80f8117f Replace strcpy with memmove to fix continuation line problems
on 64bit architectures, patch by David Couture.
2010-09-10 08:50:59 +02:00
Joey Schulze
b03656d74e Adjust changelog information 2009-12-24 20:20:49 +01:00
John Haxby
0c2f6712a7 IPv6 support
This patch, apparently, came from the freebsd syslogd.
The patch was subsequently lost although the old Fedora RPM can still
be found.

I took that patch, the current freebsd sources and a dash of salt to
produce a new patch which I have attached.

The patch does two things: it will arrange for syslogd to listen on an
IPv6 socket in addition to the IPv4 socket and it uses getaddrinfo()
and getnameinfo() rather than gethostby[name|addr] and getservbyname.
It would be possible to use a single socket that accepts both IPv6 and
IPv4 datagrams, but this would mean that numeric IPv4 addresses would
be prefixed with ::ffff and this could cause some confusion -- and I'm
also not sure that everything that sysklogd runs on has a dual stack
like that.

I've also introduced the -4, -6 and -A with the same meanings that the
freebsd and rsyslog variants do.
2009-12-24 20:19:00 +01:00
Joey Schulze
8640ed6f6f Documentation update 2009-11-27 21:54:06 +01:00
Joey Schulze
74d15498a0 Remove faulty fclose() call. Thanks to Andrea Morandi and Sean Young. 2008-07-04 14:48:42 +00:00
Joey Schulze
0bb8aa7194 Adjust indention 2008-05-11 17:05:24 +00:00
Joey Schulze
91b3e07d6e Correct logic: flush log files independed of MARK 2008-05-11 17:04:18 +00:00
Joey Schulze
7bded835a2 Correct calculation 2008-05-11 17:03:39 +00:00
Joey Schulze
5e3891ec45 Document "don't output marks to recently written files" 2008-05-11 16:57:41 +00:00
Joey Schulze
e7141b5d5f Added missing changelog entry 2008-05-08 19:43:09 +00:00
Joey Schulze
94e0cb4f54 Code reorganisation: make sure that the service name is only queried
when it is needed, i.e. when we are sending to or receiving from the
network
2008-05-07 21:00:39 +00:00
Joey Schulze
c5f9d2cd50 Thomas Jarosch: Move hostname setting code from main() into init() 2007-11-10 19:01:48 +00:00
Joey Schulze
be3066caa3 Improved sleep/alarm/mark implementation by
Alan Jenkins <alan-jenkins@tuffmail.co.uk>
2007-10-08 15:24:06 +00:00