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Wed, 23 Nov 2022 15:04:03 -0500 Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oxvyU-0006sk-LY for bug-guix@gnu.org; Wed, 23 Nov 2022 15:04:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oxvyU-0006UM-Ew for bug-guix@gnu.org; Wed, 23 Nov 2022 15:04:02 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#59521: package installation fail when home dir contains a @ Resent-From: Julien Lepiller Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Wed, 23 Nov 2022 20:04:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 59521 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 59521@debbugs.gnu.org, pofman@free.fr X-Debbugs-Original-To: bug-guix@gnu.org, pofman@free.fr, 59521@debbugs.gnu.org Received: via spool by submit@debbugs.gnu.org id=B.166923383124925 (code B ref -1); Wed, 23 Nov 2022 20:04:02 +0000 Received: (at submit) by debbugs.gnu.org; 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spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 5.81 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=lepiller.eu header.s=dkim header.b=OoHMqPLH; dmarc=fail reason="SPF not aligned (relaxed)" header.from=lepiller.eu (policy=none); spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: A86803A691 X-Spam-Score: 5.81 X-Migadu-Scanner: scn1.migadu.com X-TUID: B9oY5a9bYP3K ------ZVH0XBHKUU9VPX0SPADE9CIG83HNNP Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Oh no, do we have a Texi injection vulnerability in Guix? :) What I understand is that an error occurs when trying to show a hint to th= e user (display-hint in the backtrace)=2E This calls texi->plain-text which= transforms texinfo markup to text for displaying on a terminal=2E With you= r user name, it tries to read something like: /home/~a/=2Eguix-profile/etc/profile Which is expanded into: /home/user@foo=2Ebar/=2Eguix-profile/etc/profile And the @ is understood as texinfo markup but there is no @foo command in = texinfo=2E How do we fix that though? Le 23 novembre 2022 13:46:30 GMT+01:00, pofman@free=2Efr a =C3=A9crit=C2= =A0: >Hello! > >I use the guix package manager on ubuntu 22=2E04=2E > >I have successfully installed fdm and mu packages but I got an error when= installing emacs package=2E > >My user is a domain user, the domain name is 'foo=2Ebar' and then sssd us= e a home directory like '/home/user@foo=2Ebar' which seems to cause that er= ror=2E > >Installation log: >$ LANG=3DC guix install emacs >The following package will be installed: > emacs 28=2E2 > >hint: Backtrace: > 17 (primitive-load "/home/user@foo=2Ebar/=2Econfig/guix?") >In guix/ui=2Escm: > 2275:7 16 (run-guix =2E _) > 2238:10 15 (run-guix-command _ =2E _) >In ice-9/boot-9=2Escm: > 1752:10 14 (with-exception-handler _ _ #:unwind? _ # _) >In guix/status=2Escm: > 835:3 13 (_) > 815:4 12 (call-with-status-report _ _) >In guix/store=2Escm: > 1300:8 11 (call-with-build-handler _ _) > 1300:8 10 (call-with-build-handler # ?) >In guix/build/syscalls=2Escm: > 1435:3 9 (_) > 1402:4 8 (call-with-file-lock/no-wait _ _ _) >In guix/scripts/package=2Escm: > 325:7 7 (build-and-use-profile _ "/var/guix/profiles/per-user/?" ?) >In guix/ui=2Escm: > 312:5 6 (display-hint _ _) > 1448:24 5 (texi->plain-text _) >In texinfo=2Escm: > 1132:22 4 (parse _) > 980:31 3 (loop # (*fragment*) _ _ _) > 967:36 2 (loop # #f # ?) > 92:2 1 (command-spec _) >In ice-9/boot-9=2Escm: > 1685:16 0 (raise-exception _ #:continuable? _) > >ice-9/boot-9=2Escm:1685:16: In procedure raise-exception: >Throw to key `parser-error' with args `(#f "Unknown command" foo)'=2E > > > ------ZVH0XBHKUU9VPX0SPADE9CIG83HNNP Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Oh no, do we have a Texi injection vulnerability i= n Guix? :)

What I understand is that an error occurs when trying to = show a hint to the user (display-hint in the backtrace)=2E This calls texi-= >plain-text which transforms texinfo markup to text for displaying on a = terminal=2E With your user name, it tries to read something like:

/h= ome/~a/=2Eguix-profile/etc/profile

Which is expanded into:

/h= ome/user@foo=2Ebar/=2Eguix-profile/etc/profile

And the @ is understo= od as texinfo markup but there is no @foo command in texinfo=2E How do we f= ix that though?

Le 23 novembre 2022 13:46= :30 GMT+01:00, pofman@free=2Efr a =C3=A9crit=C2=A0:
Hello!

I use the guix package ma=
nager on ubuntu 22=2E04=2E

I have successfully installed fdm and mu =
packages but I got an error when installing emacs package=2E

My user=
 is a domain user, the domain name is 'foo=2Ebar' and then sssd use a home =
directory like '/home/user@foo=2Ebar' which seems to cause that error=2E
Installation log:
$ LANG=3DC guix install emacs
The following pa=
ckage will be installed:
   emacs 28=2E2

hint: Backtrace:
    =
      17 (primitive-load "/home/user@foo=2Ebar/=2Econfig/guix?")
In guix=
/ui=2Escm:
   2275:7 16 (run-guix =2E _)
  2238:10 15 (run-guix-comma=
nd _ =2E _)
In ice-9/boot-9=2Escm:
  1752:10 14 (with-exception-handl=
er _ _ #:unwind? _ # _)
In guix/status=2Escm:
    835:3 13 (_)
   =
 815:4 12 (call-with-status-report _ _)
In guix/store=2Escm:
   1300:=
8 11 (call-with-build-handler _ _)
   1300:8 10 (call-with-build-handler=
 #<procedure 7f83d177e480 at g?> ?)
In guix/build/syscalls=2Escm:<=
br>   1435:3  9 (_)
   1402:4  8 (call-with-file-lock/no-wait _ _ _)
=
In guix/scripts/package=2Escm:
    325:7  7 (build-and-use-profile _ "/v=
ar/guix/profiles/per-user/?" ?)
In guix/ui=2Escm:
    312:5  6 (displ=
ay-hint _ _)
  1448:24  5 (texi->plain-text _)
In texinfo=2Escm:  1132:22  4 (parse _)
   980:31  3 (loop #<input: string 7f83bec67=
a10> (*fragment*) _ _ _)
   967:36  2 (loop #<input: string 7f83be=
c67a10> #f #<procedure ide?> ?)
     92:2  1 (command-spec _)In ice-9/boot-9=2Escm:
  1685:16  0 (raise-exception _ #:continuable? =
_)

ice-9/boot-9=2Escm:1685:16: In procedure raise-exception:
Thro=
w to key `parser-error' with args `(#f "Unknown command" foo)'=2E


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