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Author SHA1 Message Date
yvoinov
cb7ee90cf5 Solaris SMF 
Closes #18.
 2019-03-28 10:53:13 -04:00
Christopher Wellons
494c68b8d7 Use _XOPEN_SOURCE instead of _POSIX_C_SOURCE 
It seems this is required to get all the IPv6 definitions, though most
systems aren't very picky. NetBSD seems to be one of those picky
systems, though.
 2019-03-27 09:40:20 -04:00
Christopher Wellons
9f4bdc123d Greatly simplify a bunch of things 
1. If sockets are non-blocking, no need to use poll() on them. Just try
to write regardless and ignore the outcome. This means we don't need the
pollvec stuff anymore.

2. getline(3) is apparently still too new to POSIX that it's hard to use
portably. We don't really need it that badly anyway.

3. Don't use MSG_DONTWAIT. It's non-standard and apparently still hard
to use portably. Set sockets to non-blocking instead.

4. Since we're not polling on client sockets, the queue is a whole lot
simpler.
 2019-03-26 20:30:03 -04:00
Christopher Wellons
b1c1599d32 Improve support for Solaris and its derivatives 
Requires extensions to be enabled due to incomplete support for
POSIX.1-2008. However one of the now-exposed extensions is tragically
named "struct queue". This struct was been renamed to "struct fifo".

Thanks to @yvoinov for reporting this issue and collaborating on a
solution.

Closes #14, #17.
 2019-03-26 18:23:15 -04:00
Dmitry Marakasov
a6d5425cba
Makefile: add all target 2019-03-26 19:45:00 +03:00
Christopher Wellons
e7c93c6664 Add link to main article in README 2019-03-25 09:37:34 -04:00
Christopher Wellons
a6d4565a10 Fix -V typo in usage documentation (#11) 2019-03-25 09:26:17 -04:00
Christopher Wellons
09e55cc553 Check for FreeBSD and adjust feature test macros 
Fixes #2.
 2019-03-25 09:24:44 -04:00
Christopher Wellons
44219a5e05 Add note about RHEL 6 / CentOS 6 
Fixes #10.
 2019-03-25 09:17:48 -04:00
Christopher Wellons
7fd15308dd Add -V switch (print version info) 2019-03-24 12:42:08 -04:00
ant
4ffc65b3eb Make final docker image smaller 2019-03-23 18:04:02 +00:00
Diego Casorran
94cf07e8ba Typo fix in README.md 
Closes #6.
 2019-03-23 13:03:53 -04:00
LGDan
82c746ede8
Create Dockerfile 2019-03-23 14:16:48 +00:00
Will Starms
548a7b1521 Add restart limit in case it gets stuck in a crash loop 2019-03-22 17:21:57 -05:00
Will Starms
922af308f2 Systemd service 
Assuming an /opt/ install. For those unfamiliar, plop it into /etc/systemd/system (symlinks might not work, old systemd bug), run `systemctl daemon-reload`, and have it start on boot (and immediately) with `systemctl enable --now endlessh.service`
 2019-03-22 17:13:56 -05:00
Christopher Wellons
ae76b41294 Add a log parsing utility 2019-02-06 15:18:09 -05:00
Christopher Wellons
a1dda3c70e Use SO_RCVBUF to reduce local resource usage 2019-02-06 14:26:50 -05:00
Christopher Wellons
c8148970e9 No need for events when using fd = -1 2019-02-05 23:59:16 -05:00
Christopher Wellons
e93c71a881 Fix cast typo 2019-02-05 23:57:48 -05:00
Christopher Wellons
9900764488 Fix some of the queue logic 2019-02-05 23:56:40 -05:00
Christopher Wellons
31b5d6b832 Always clear IP address field 2019-02-05 23:28:06 -05:00
Christopher Wellons
f2128b58f2 Save errno value across logmsg() 
Need to be able to log messages without affecting errno.
 2019-02-05 23:26:46 -05:00
Christopher Wellons
47b901d9d3 Truncate rand16() result to 16 bits 2019-02-05 23:25:48 -05:00
Christopher Wellons
1583f6e5b3 Add missing break when send() fails 2019-02-05 23:25:15 -05:00
Christopher Wellons
2a9c514702 Fix config copy-paste error 2019-02-03 18:53:22 -05:00
Christopher Wellons
5e12d658ce Flesh out a more detailed sample config 2019-02-03 18:51:37 -05:00
Christopher Wellons
20ec77e6ef Add LogLevel to the configuration file 2019-02-03 18:44:52 -05:00
Christopher Wellons
6199d648f5 Don't use CLOCK_REALTIME_COARSE 
The resolution only seems to be around 4ms.
 2019-02-03 18:36:22 -05:00
Christopher Wellons
516d0cd78c Track number of clients using just the queue 2019-02-03 18:32:24 -05:00
Christopher Wellons
dbb2174b65 Remove unnecessary include 2019-02-03 18:13:37 -05:00
Christopher Wellons
e72daae85f Use a custom PRNG 2019-02-03 18:01:24 -05:00
Christopher Wellons
7693ce54e3 Fix up config parser and allow comments 2019-02-03 17:40:28 -05:00
Christopher Wellons
7dc64226aa Use RFC3339 dates in the log 2019-02-03 16:03:56 -05:00
Christopher Wellons
5aa75a8833 minor: Adjust macro alignment 2019-02-03 15:46:23 -05:00
Christopher Wellons
500738e0cf Use vDSO for the clock on Linux 2019-02-03 15:45:31 -05:00
Christopher Wellons
7ac1fbff3b Always ignore SIGPIPE 
MSG_DONTWAIT doesn't work quite right on OmniOS / Solaris, so also
disable SIGPIPE.
 2019-02-03 15:32:45 -05:00
Christopher Wellons
2bd2b3ca92 Just drop IPV6_V6ONLY (it never works right anyway) 
This doesn't seem to work as documented on any system.
 2019-02-03 15:28:09 -05:00
Christopher Wellons
08a9dfe97e Check for IPV6_V6ONLY before using it 
This is necessary for supporting OmniOS (Solaris), which doesn't
actually document how to actually define this flag. This platform also
requires LDLIBS='-lsocket -lnsl' when compiling.
 2019-02-03 15:25:25 -05:00
Christopher Wellons
2f418df897 Don't use :port since that doesn't work with IPv6 2019-02-03 13:06:14 -05:00
Christopher Wellons
94d9a91407 Reject extraneous arguments 2019-02-03 13:03:40 -05:00
Christopher Wellons
09bb8be32a Listen on both ipv6 and ipv4 2019-02-03 12:48:37 -05:00
Christopher Wellons
2f79375360 Explicitly initialize sockaddr_in members 2019-02-03 12:28:47 -05:00
Christopher Wellons
93b94f6b44 Correct for different definitions of sockaddr_in 
On BSD it doesn't like the braces, and on Linux it prefers braces. Ugh.
 2019-02-03 12:10:17 -05:00
Christopher Wellons
ae67a263f9 Tweak the README a bit 2019-02-03 12:04:23 -05:00
Christopher Wellons
8e1d9fc28a Make it clear when the config file is loaded 2019-02-03 12:00:35 -05:00
Christopher Wellons
7619af17ba Add sample config file to the README 2019-02-03 11:59:11 -05:00
Christopher Wellons
90ce8a6696 Restart listening socket if port config changes 2019-02-03 11:55:15 -05:00
Christopher Wellons
d9c5d3fcf0 Allow configuration via config file (-f, SIGHUP) 2019-02-03 11:47:20 -05:00
Christopher Wellons
5c6328c6f2 Formalize configuration managment 2019-02-03 11:46:40 -05:00
Christopher Wellons
3a0126bd99 Add note about queue_remove() 2019-02-03 10:06:12 -05:00