#ruby on 2022-01-23 — irc logs at libera.irclog.whitequark.org

2021-12-25 14:23 havenwood changed the topic of #ruby to: Rules: https://ruby-community.com | Ruby 3.1.0, 3.0.3, 2.7.5: https://www.ruby-lang.org | Paste 4+ lines to: https://gist.github.com | Books: https://goo.gl/wpGhoQ

00:00 <mooff> all works dandy except.. after a short while, i get a stacktrace about sslv3 alert bad record mac

00:00 <mooff> .. on the parent process. does anyone know what's going on?

00:01 <leah2> sounds weird, perhaps it flushes some buffer twice

00:01 <leah2> try io.close_on_exec = true in the parent instead

00:01 <leah2> should be on by default tho oO

00:02 <mooff> fwiw, the io is a UNIXSocket. close_on_exec didn't seem to close it for the fork :(

00:03 <leah2> Sends "close notify" to the peer and tries to shut down the SSL

00:03 <leah2> connection gracefully.

00:03 <leah2> so that's why it fails ;)

00:05 <mooff> huh

00:05 <leah2> oh but you tried socket.io.close?

00:05 <mooff> yah, i'm trying .io.close to avoid SSL shut down

00:05 <leah2> not socket.close

00:08 <mooff> maybe i should try to close an IO.pipe, or something, to see if it affects the parent

00:11 <leah2> cant really

00:11 <leah2> strace the child to see if anything writes

00:13 <mooff> oof

00:16 <leah2> hey it's easier than tcpdump :p

00:16 <mooff> heheh

00:16 <mooff> alright, 1 min

00:19 <leah2> maybe flush the io before fork?

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00:51 <mooff> the connection is idle most of the time.. unlikely it has anything to write

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01:14 <mooff> so from strace.. the fork only does e.g. close(17) = 0.

01:14 <mooff> where 17 is the fd in question

01:16 <leah2> hm, that shouldnt do any harm...

01:19 <mooff> could the parent get some kind of signal about it?

01:19 <mooff> stracing *it* would be a bit more noisy.. but couldn't hurt

01:32 <mooff> so when the fork closed that fd 17, the parent's.. kept working

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01:32 <mooff> two differences between the bork scenario and the working scenario:

01:33 <mooff> - the bork scenario has used Process::Sys.setregid and Process::Sys.setreuid to switch to a different user

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01:36 <mooff> .. then closed the fd, tried (on purpose) to write to it, and so exited from an exception immediately

01:38 <mooff> - the working scenario stayed as root. it did Signal.trap('USR1') { io.close }; sleep 3600. then i sent it USR1

01:43 <leah2> hmm

01:43 <leah2> i'm out of ideas, sorry

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01:51 <mooff> no worries, thank you

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02:53 <ox1eef> weaksauce: i built from source using ./configure --prefix=/home/0x1eef/.rubies/3.1.0/ && make && make install

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03:12 <weaksauce> ox1eef curious

03:13 <weaksauce> i can't imagine any world where it doesn't error on that

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04:44 <ox1eef> weaksauce: which error ? the issue was that /home on freebsd points to /usr/home, so it was working correctly all along. compile etc went fine.

04:46 <ox1eef> while the directory didn't exist (the .rubies/3.1.0 part), ruby looks to create it for you.

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16:06 <John_Ivan> I have an issue with ruby mechanize. I'm trying to login into website with credentials and a simple form.

16:07 <John_Ivan> the website, when querying the loginpage, containing the form has a cookie in it. I construct a form and I submit it

16:07 <John_Ivan> assuming that the agent takes care of the rest, my next request with it doesn't take into consideration the form submission. am I doing something wrong/

16:08 <John_Ivan> my code goes as follows

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