307 lines
16 KiB
Groff
307 lines
16 KiB
Groff
27/03/2016 - v2.5 YO2LOJ reports 2 warnings with regards to system.c and
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the date/time stamp function. While I do not get one, I also do not get
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one with his supplied patch... so I included it. The patch affects the
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differences between 32 and 64 bit OS timestamps. Now the OS bit
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shouldn't matter. Thanks Marius! (That's why we have ya on the team)
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Ported the calibrate tool from F1OAT to the URONode suite. I could have
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rewritten the whole thing from scratch but why the need to reinvent the
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wheel? There was some recoding I had to do so that it'd compile under
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URONode but that was somewhat minor. Usage is the same:
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calibrate -t [ms] interface.
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This port is similar in theory to what I did with Craig Small's axdigi package.
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Cleaned up routines in Makefile. I'll probably have several and
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hopefully they will go unnoticed. One critical thing I did notice and
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I'm surprised no one reported this was if flexnet wasn't selected, and
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one ran a "make install" or "make upgrade" - it would exit as soon as it
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tried to install a non-existant binary (FlexD). This left the axdigi
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module to go un-installed/upgraded. This is a very important module to
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install as it allows for interface to multi-interface digipeating.
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Anyway, I got off my butt and fixed this amongst other things.
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Fixed the way the system handled parsing of the info file that carried
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the stats for Memory and Swap usage: /proc/meminfo. In some cases, the
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node couldn't properly parse the swap statistics in the "Status"
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command. Now, regardless of which kernel is being used, the proper stats
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will be parsed and the percentage arithmetic will be properly applied to
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show final percentage used. An example of the output:
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Memory: Available Used Free perc. Used
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------------------ ---------- ---------- ---------- ----------
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Physical: 4048024 kB 3206552 kB 841472 kB 79 %
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Swap: 1881084 kB 0 kB 1881084 kB 0 %
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I really don't know why this was such a difficult thing for me to fix
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but I got it after months of pondering. This fixes a known non-critial
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bug :D After fixing this bug however I created another one that would
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cause a divide-by-zero segfault. Someone asked me to configure a box
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remotely for them and they didn't add a swap partition at all! Now if
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there's none or it's simply not activated, the node's 'STatus' report
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will reflect such. Thanks to the NY EOC folks for creating this error so
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I could find this bug before relase xD
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Fixing texts in gateway.c and mheard.c where it still referenced the
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word "port(s)" instead of "interface(s)" as it should. Also cleaned up
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some minor error reporting. Also made some changes in how some aborts
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are displayed, and also invalid callsign error reporting. For example,
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an aborted connect will now show:
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c n1uro-3
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UNIVLE:N1URO-5} link setup (ax2)...
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UNIVLE:N1URO-5} Connection aborted.
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The same as with an aborted telnet session.
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Pings now will show: ping www.comcast.com
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ICMP Echo request sent to: 68.87.29.59
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UNIVLE:N1URO-5} Ping aborted.
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and a connect attempt that doesn't exist in any tables or links:
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c g4apl
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UNIVLE:N1URO-5} G4APL not found, please retry your entry.
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I'm sure I'll figure out some more as time goes on. Always a little something
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to do :)
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One thing I noticed was an error in the Ping routine. The "Maximum size"
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of a ping was preset to 248 bytes. On an ax25 link, this doesn't even
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leave room for the IP headers, nevermind the ax25 headers! In thinking
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this over, and not knowing if the IP path would be over vanilla ax25 OR
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perhaps via NetRom, I decided to make the Maximum content per ping at
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128 bytes. This should also be just large enough to allow ALL ascii
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characters a chance to be included in 1 ping frame. Ex:
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n1uro-15@n1uro.ampr.org:/uronode$ ping k1yon 129
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Maximum size is 128
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n1uro-15@n1uro.ampr.org:/uronode$ ping k1yon 128
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ICMP Echo request sent to: 44.88.4.1
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ICMP Echo reply received from: 44.88.4.1
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Ping completed in: 151ms (ttl=63)
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n1uro-15@n1uro.ampr.org:/uronode$
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While at it, I made changes to the online help file for ping and to
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uronode.8 man page.
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Also I noticed while working on a new site for EastNet, I somehow omitted an
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install line in the Makefile for flexd.8. This not only is fixed but I also
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expanded a bit on the limited text that was inside.
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Cleaned up a text display bug in the Status report. Swap: was not right
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column justified with the rest of the memory stats. This was handled in
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command.c
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Added a routine in configure to check for "make" as I've seen new
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installs where make is not installed but gcc is. Needless to say you
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can't "make" a binary if "make" does not exist ;->
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Also added a notification in flexd where when started to inform you that
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the poll cycle has started. You may see it connect to test the existance
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of an ax25 socket for the remote end when you first start flexd. This
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starts the timer for your poll sequence in flexd.conf.
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While I was at it (and with a decent nudge from Tomasz SP2L) I did some
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further digging and found (with the aid of Thomas DL9SAU) that the
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getsockopt routine itself was showing failure because the socket wasn't
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initially established prior to the polling loop. In adjusting it's
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settings this appears to help relieve the initial error getsockopt() was
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showing upon start of flexd. Now flexd should login to the remote
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immediately upon start and pull down the desti table of the remote node.
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Thanks Thomas and Tomasz :)
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In digging through the flexd source some more, and enjoying the fact
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that the configs can be changed "on the fly" without having to restart
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the system in most cases, or disrupt activity that's in session on or
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through the node, I added a call to update the destinations upon a
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"killall -HUP flexd". This allows the node sysop to change the flex-gate
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they wish to poll without having to stop and restart flexd, and grab an
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immediate destinations list. Remember to do the following:
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- add the route in uronode.routes
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- change the flex gateway in flexd.conf
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- killall -HUP flexd
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... and your new config and destination will instantly be live. Also, you can
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-HUP your flexd to force an update as well.
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Fixed a non-critical bug in axdigi where killing the daemon would NOT
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clear the pidfile in /var/run. Always a stale pidfile was left over, and
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as a quick fix I had the daemon delete the pidfile through a system call upon
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start. A hack but worked. NOW, the daemon will remove the pidfile upon
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exit as it should.
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Wrote a set of SystemD files since xinetd/inet will soon be eliminated in
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favor of SystemD. I've tested the files on both a Pi running Raspbian
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wheezy and on my Fedora testbed. Important Note:
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IF you spawn your incoming telnet connects with SystemD, it's very possible
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that SystemD *will* convert your incoming IPv4 to internal IPv6 sockets.
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You may handle this by forcing IPv4 in your SystemD uronode.socket file.
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While as of this version URONode will handle *incoming* IPv6, I haven't
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written any outbound routines for IPv6. To my knowledge, there's no need
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for it and I don't know if we'll ever have such a need on ham-based
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networks for IPv6. URONode *is* the first packet node however, to support
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IPv6... a historical milestone I do believe.
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While I was testing SystemD and finally realizing that the above IPv6
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conversions were true, I created a menu system for IPv6 to make it a lot
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cleaner than it already was... actually it had none. Since it's also
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spawned by SystemD, I made that the prompt for IPv6...
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SystemD - n1uro@fedora.n1uro.ampr.org:
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I was going to dupe the IPv4 prompt but decided it should have it's own
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to follow with the scope of how I maintain this project. So far everything
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in regards to both SystemD and IPv6 seem to be working fine.
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31/03/2016 - v2.5.1 (Maintenance release)
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Added better error handling output to FlexD and axDigi. Now they tell you
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when they've properly received your -HUP, your -TERM or your start. This
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should help you all in better debugging your backend engines (FlexD, axDigi,
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etc.)
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Added a -b flag to the installer routines by suggestion of Marius YO2LOJ
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so one with an existing install won't have their files totally overwritten
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however they'll be backed up with a *~ flag instead during "make install".
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The preferred method for upgrading an existing node as always is by using
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"make upgrade" which only copies over the files required for that version.
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Once in a while a new field will be added or one deleted from the file
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uronode.conf, or one of the others and I've noticed sysops don't pay
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any attention to the new field requirements (ex: RoseId is the latest
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add). Compare the fields in files before just copying them back over!
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Gus I0OJJ and our own Bob VE3TOK reported strangeness in certain ALIAS
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commands. I tried like heck to reproduce it here and on machines I take
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care of. I knew where the issue layed but not fully being able to get
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it to reproduce was a royal "b". After sending Bob code to test, he
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was able to get positive results and checked it in for me.
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While at it Bob increased the buffer for the reader within FlexD. Seems
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Xnet may require a larger buffer than FlexNet for some reason? Bob also
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checked that in. Thanks Bob.
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18/04/2016 - v2.6
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Removed stale and unused axdigi.conf file. Thanks to David KI6ZHD for
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pointing this out that I had a stale file in the archive. This file
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belonged to another digi daemon I was going to revive instead of Craig
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Small's multi-interface crossport digi daemon. I find that especially
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with FlexNet, a multi-interface crossport digipeat system not only is
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unique to the native linux kernel BUT is also very efficient. If you
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have a stale copy of axdigi.conf floating around, please delete this.
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Added a question to engage or disengage interactive configure/make mode.
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This idea came to me from a query I received by KI6ZHD. If you choose NOT
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to use interactive mode, than you must run make/make upgrade/make install
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manually. Note: ALL options including rose and flexnet WILL BE COMPILED IN.
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Tomasz SP2L was seeing carriage returns when administering his server
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remotely and sending SIGHUP to flexd in the terminal messages confirming
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the -HUP. Removed.
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Added a version output for FlexD and tweeked the one for axdigi. Now both
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helper daemons will display its versions based on URONode's version and
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some very brief information about themselves. flexd -v or flexd -h
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along with axdigi -v or axdigi -h will bring up this information.
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Decided that since there's so many commands beginning with M I would move
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the MHeard command to a Jheard command. This keeps the commandset more in
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line with other systems except for TheNet and X1J-4, and separates that one
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command away from the volume of M's. While at it I also made a JL for
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Just heard Long. If you specify an interface, Jheard/JLong engages only for
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that interface. Note - JLong will say: it may time out HFers. I also had to
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modify Makefile and rework the help files to match. While at it I needed to
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modify the uronode.8 MAN page.
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Gave Makefile a more modernized compile line option. I'm hoping this will
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keep URONode one of packet's better robust nodes.
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I noticed some sites were violating Software2000's NetRom specifications
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by defaulting reconnect on still in their uronode.conf files. I had thought
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that I fixed this in an earlier release. Perhaps I did and then migrated
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an old .c file back into the mix? (wouldn't be the first time I've done
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that by mistake!) Anyway... three key things Software2000 was insistant upon
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were NO CTEXT, NO RECONNECT, NO GOODBYE MESSAGES. If you've noticed, I've
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taken ALL that out of URONode. These things were done as to not confuse
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robot scripts such as PBBS mail forwarding sessions. While other systems
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may wish to continue to violate the NetRom protocol (and others) I will
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do everything in my power NOT to.
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An anonymous user from sourceforge had a compiler warning on the
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do_prompt cycle in config.c and provided a fix for it. I don't know if
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the user is even a ham but their alias is dcb314, and we thank them. Their
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report and fix which is included:
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config.c:407:35: warning: logical 'or' of collectively exhaustive tests is always true [-Wlogical-op]
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Source code is
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if ((User.ul_type != AF_NETROM) || (User.ul_type != AF_INET) ||
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(User.ul_type != AF_INET6)) {
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Maybe better code
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if ((User.ul_type != AF_NETROM) && (User.ul_type != AF_INET) &&
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(User.ul_type != AF_INET6)) {
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While I don't get the warning he had, the logistics seem to be fine. Thanks
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again to dcb314 at sourceforge for their report.
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I have made a diff file for JNOS2.0K that makes it a bit more user
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compatible with URONode, and other linux-based nodes. For almost 30 years
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TCP port 3694 has been used for inbound telnet for linux-based nodes, and
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URONode is no exception... just as IP protocol 93 is for axip and UDP
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port 93 is for axudp (again other systems love to violate protocols, we
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try not to). Besides my little isms that I like in xNOS which I often
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contributed to K2MF for MFNOS, I've began to do similar for JNOS. I'm adding
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the .diff file in the main code distribution so if you do run JNOS 2.0K as
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your PBBS TCP port 3694 is now recognized in JNOS with my patch. I have
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as of this writing submitted it to Maiko for considerations, I don't know
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if he's going to use it or not. If you do want to patch your JNOS 2.0K
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copy it into your jnos source directory and run: patch -p1 -i jnos20k.diff
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and you should see about a half dozen files updated. If Maiko doesn't wish
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to include this and you want me to keep up to date with it, let me know.
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With the recent CVE study on Winlink2000 and plain text passwords exposed, I
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went through URONode to insure it wasn't posessing the same issue. By
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default URONode doesn't ask for ANY passwords however it's highly suggested
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that the sysop require passwords on any internet or amprnet interface. Before
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yes, a sysop could require a password on an ax25/NetRom/Rose interface which
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would be exposed. Now, if a sysop mistakenly tries to force a password
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on RF, it will be ignored by the node so it's not exposed.
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----------- Note on SystemD --------
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In uronode.socket, you'll notice the line:
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ListenStream=0.0.0.0:3694
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This tells SystemD to listen on TCP socket 3694 for any IPv4 ONLY incoming
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connection. If you wish to filter JUST your amprnet and IPv4 localhost
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IPs make a line for each changing 0.0.0.0 to 127.0.0.1 and another for
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your amprnet IP. This will by default filter any commercial IP requests
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to URONode. If you want SystemD to try IPv6 *first*, don't enter in any
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IP schemas and just list the port number. SystemD by default appears to
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use IPv6 prior to IPv4.
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You can verify the above by running systemctl status uronode.socket:
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ystemctl status uronode.socket
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● uronode.socket - URONode Server Activation Socket
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Loaded: loaded (/usr/lib/systemd/system/uronode.socket; enabled)
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Active: active (listening) since Mon 2016-03-07 15:30:39 EST; 6min ago
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Listen: 0.0.0.0:3694 (Stream)
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Accepted: 3; Connected: 1
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----------- Wish-list: -----------
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----------------------------------
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Original Development Information (aka Disclaimer): URONode was developed
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on an IBM eSeries 330 eServer with dual 1.2GHz CPUs The OS is Debian
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Linux 4 using kernel 2.4.27, libax25 v0.0.11, ax25-tools v0.0.8 and
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ax25-apps v0.0.6. This software comes with absolutely NO guarantees so
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crash n burn at your own risk. We all may be surprised and find out that
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it actually DOES something useful! URONode may not run 100% depending on
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environmental conditions specific to your system.
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URONode is GLPv2 code, and tested by it's main author on the following
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platforms: Raspberry Pi ver. B, Debian 7.7 on a Core-i3, Ubuntu
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12.0.4LTS on a Core-i3, Fedora ver. 21
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------------
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Comments/suggestions? email: n1uro@n1uro.ampr.org Gripes??? cat gripes >
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/dev/null :D just kidding!
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This version will get you going for now. I'll post any changes to:
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ftp://ftp.n1uro.net/packet and https://uronode.sourceforge.net. You may
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also find URONode in your distro's repositories. <dnf/yum or apt-cache>
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search uronode
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Join our support mail list graciously donated by TAPR!
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http://www.tapr.org/mailman/listinfo/uronode
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73 de Brian N1URO
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