Date: Fri, 20 Mar 2015 14:47:57 +0000 From: Miguel Clara <miguelmclara@gmail.com> To: Garrett Cooper <yaneurabeya@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Shared object "libsodium.so.13" not found, required by "dnscrypt-proxy" Message-ID: <CADGo8CUDLc%2BfQw%2BNVJi4LCPXQwXA9uiAU8ORpy2AHsB4W6hcAw@mail.gmail.com> In-Reply-To: <2A8C0814-E644-4350-85B8-17B468D79BFF@gmail.com> References: <CADGo8CURnvyLD55zs5m=hgrG9g6xct0q4ZMSNiY%2BzLA1GBi0Ug@mail.gmail.com> <CAGHfRMC1_jRQxkxu-aaJJBvqb8oPvOrCiJwOWhLsR1A81YKrEw@mail.gmail.com> <CADGo8CWyyFJXR5fD%2BYe%2BSynzH0mqfh3Fsx8ULmQzOxTwR0Bd8A@mail.gmail.com> <FF6DD5BB-7D15-4224-8EF5-DA1C89908B1B@gmail.com> <B506CD41-42F8-4DAF-B2D3-B09C70A2A28D@gmail.com> <64AF7708-217B-4AC0-A47A-AD1B0BFF7EDC@gmail.com> <CADGo8CUCCjrW-3p9F4aiwRh1fbid%2BfNjikag55%2BNheJYBUt-Rg@mail.gmail.com> <885DA4D0-9644-4F06-97C9-04EAD7B4958C@gmail.com> <CADGo8CVjVig6HT6o2MYMzXizFLG62WMEFTe278nq8qoOg3-akQ@mail.gmail.com> <CAN6yY1tKDi4da25KbpATRnOE7YZOgVyw78rBrH4wofF3iqQLXQ@mail.gmail.com> <CADGo8CV4=4V31ibc9S43e3bBC1g3YL-m-NLc2Bccz_Pk4fQ49Q@mail.gmail.com> <CADGo8CV4ziyTxJJstLm9VWFueLGVjkZ=Kt6hhV1owymSMf7=yg@mail.gmail.com> <CADGo8CUeexNbOW8VbjNQ8-UGrsVny5JO4Ckv89XNg9v-aEetSA@mail.gmail.com> <CAN6yY1tpyinY1yueHY8Tr=igQbkTpwJBdz9-aUwQ5xdMqiVf-A@mail.gmail.com> <CADGo8CUo=QUV904F7PsndiB%2B6pcYBD%2B1gC7tNZkswRvRNWEB4Q@mail.gmail.com> <98CF988A-D9DB-49AD-8CFF-3B438F892730@gmail.com> <CAN6yY1tLhH1Karz2NWFJ9vU2jRcC_cFbmOnLuj2G3Mdn17hm0Q@mail.gmail.com> <2A8C0814-E644-4350-85B8-17B468D79BFF@gmail.com>
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On Thu, Feb 26, 2015 at 2:52 AM, Garrett Cooper <yaneurabeya@gmail.com> wrote: > > On Feb 25, 2015, at 18:08, Kevin Oberman <rkoberman@gmail.com> wrote: > > On Wed, Feb 25, 2015 at 2:30 PM, Garrett Cooper <yaneurabeya@gmail.com> > wrote: > >> On Feb 25, 2015, at 14:19, Miguel Clara <miguelmclara@gmail.com> wrote: >> >> ... >> >> > I noticed this too, but in that case why doesn't it affect all users? >> (or all the ones using dnscrypt+local_unbound) maybe something changed i= n >> "NETWORKING" recently? >> > >> > Hum: >> > >> https://svnweb.freebsd.org/base/head/etc/rc.d/NETWORKING?r1=3D275299&r2= =3D278704 >> > >> > Interesting, as I am using the most recent version which does not >> REQUIRE local_unbound >> > >> > I'm even more confused now :| >> > >> > >> > So it has to come after SERVERS but before local_unbound. But >> NETWORKING depends on local_unbound they are both dependent on NEWORKING >> which has to be after SERVERS. Can you say fubar! Clearly broken. And th= is >> means that removing SERVERS will re-shuffle the order more appropriately= . >> > >> > It seems that the behavior of rcorder is not as documented as well as >> being undefined when circular dependencies occur. The man page says that >> rcorder aborts when it encounters a circular dependency, but that is not >> the case. It probably is best that it not die, but that leaves things in= an >> unknown and inconsistant state, which is also a very bad idea. I guess w= hen >> a circular dependency is encountered, a dichotomy occurs. >> >> Now you know why I=E2=80=99m so curious about all of this stuff. >> >> When I was working on ^/projects/building-blocks, I was able to move mos= t >> of these pieces around by changing REQUIRE: to BEFORE:, but I noticed th= at >> it changes the rcorder a bit, so I haven=E2=80=99t been super gung ho in >> implementing my change. >> >> I think there are a couple bugs present on 9-STABLE/10-STABLE/11-CURRENT= : >> >> - Things go awry if named is removed/not installed. >> - Things go awry if local_unbound is removed (which would have been the >> case if the rc.d script was removed from your system, which existed befo= re >> my changes). >> - Other rc.d scripts not being present might break assumptions. >> >> I need to create dummy providers for certain logical stages (DNS is one >> of them) to solve part of this problem and provide third parties with a >> mechanism that can be depended on (I wish applications were written in a >> more robust manner to fail gracefully and retry instead of failing flat = on >> their face, but as I=E2=80=99ve seen at several jobs, getting developers= to fail, >> then retry is hard :(=E2=80=A6). >> >> Another short-term hack: >> >> Install dummy/no-op providers so the ordering is preserved, then remove >> the hacks after all of the bugs have been shaken out. >> >> Thanks! >> > > Garret, > > Also undocumented (except in rcorder.c) is that the lack of a provider is > not an error. This effectively makes a list of providers into an OR. So, > for name service the normal list is "named local_unbound unbound" and any > will work for ordering and having none is a no-op, so if you don't run an= y > nameserver (or kerberos or whatever provider), it is not an issue. As lon= g > as rcorder finds a provider, it will be used to set the order, but the la= ck > of any or all providers just means that the specified provider is ignored > and if a REQUIRES or BEFORE lists no existing providers, the statement is > simply ignored. > > The real problem is that there is no defined rule for behavior in the > event of a circular dependency and any change to any decision point in th= e > ordering process may change the way the ordering flips. That is why these > things are such a royal pain to debug. A change in any rc.d script may > cause the ordering of seemingly unrelated scripts to change, perhaps > drastically, and the error messages, while not misleading, is only a > starting point in tracking this down. This means there may be time bombs > that break working ports without their being touched or even re-installed= . > And the triggering change my, itself be correct. > > > Or etc/rc.d/named... > > PROVIDES: DNS > > I'm going to post a fix up for this on arch@/rc@ because it needs to be > solved in a saner way -- especially for systems that are pedantic about > rcorder, like our version at $work. > > I re-sync my source and noticed the change while doing the mergemaster part... with this I can now change dnscrypt to: @@ -4,7 +4,7 @@ # # PROVIDE: dnscrypt_proxy # REQUIRE: SERVERS cleanvar -# BEFORE: named local_unbound unbound +# BEFORE: DNS And this makes the rcorder ok for dnscrypt-proxy
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