* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
@ 2019-07-11 14:10 Mark A. Hershberger
2019-07-13 4:38 ` Lars Ingebrigtsen
2019-07-13 12:46 ` Noam Postavsky
0 siblings, 2 replies; 13+ messages in thread
From: Mark A. Hershberger @ 2019-07-11 14:10 UTC (permalink / raw)
To: 36598
$ ls -l /tmp/emacs1000
lrwxrwxrwx 1 mah mah 20 Jul 11 09:53 /tmp/emacs1000 -> /run/user/1000/emacs
Whoever set up the symlink for /tmp/emacs1000 should also change the
value of server-socket-dir.
In GNU Emacs 26.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.4)
of 2019-02-03, modified by Debian built on zam904
Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
System Description: Debian GNU/Linux 10 (buster)
Recent messages:
Mark saved where search started [2 times]
funcall-interactively: Buffer is read-only: #<buffer server.el.gz>
Creating customization items...
Creating customization items ...done
Resetting customization items...done
Creating customization setup...done
Quit
Type "q" to restore previous buffer.
scroll-up-command: End of buffer
Quit
Configured using:
'configure --build x86_64-linux-gnu --prefix=/usr
--sharedstatedir=/var/lib --libexecdir=/usr/lib
--localstatedir=/var/lib --infodir=/usr/share/info
--mandir=/usr/share/man --enable-libsystemd --with-pop=yes
--enable-locallisppath=/etc/emacs:/usr/local/share/emacs/26.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/26.1/site-lisp:/usr/share/emacs/site-lisp
--with-sound=alsa --without-gconf --with-mailutils --build
x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
--libexecdir=/usr/lib --localstatedir=/var/lib
--infodir=/usr/share/info --mandir=/usr/share/man --enable-libsystemd
--with-pop=yes
--enable-locallisppath=/etc/emacs:/usr/local/share/emacs/26.1/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/26.1/site-lisp:/usr/share/emacs/site-lisp
--with-sound=alsa --without-gconf --with-mailutils --with-x=yes
--with-x-toolkit=gtk3 --with-toolkit-scroll-bars 'CFLAGS=-g -O2
-fdebug-prefix-map=/build/emacs-26.1+1=. -fstack-protector-strong
-Wformat -Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time
-D_FORTIFY_SOURCE=2' LDFLAGS=-Wl,-z,relro'
Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY
ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 THREADS LIBSYSTEMD LCMS2
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Messages
Minor modes in effect:
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flx-ido-mode: t
yahoo-weather-mode: t
global-magit-file-mode: t
display-time-mode: t
override-global-mode: t
magit-wip-after-save-mode: t
diff-auto-refine-mode: t
global-git-commit-mode: t
magit-auto-revert-mode: t
async-bytecomp-package-mode: t
shell-dirtrack-mode: t
ido-everywhere: t
global-emojify-mode: t
emojify-mode: t
auto-compile-on-load-mode: t
auto-compile-on-save-mode: t
tooltip-mode: t
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electric-indent-mode: t
mouse-wheel-mode: t
global-prettify-symbols-mode: t
file-name-shadow-mode: t
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font-lock-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
buffer-read-only: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
abbrev-mode: t
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~/work/code/org-mode/lisp/ob-ledger hides /usr/share/emacs/26.1/lisp/org/ob-ledger
~/work/code/org-mode/lisp/ob-sass hides /usr/share/emacs/26.1/lisp/org/ob-sass
~/work/code/org-mode/lisp/ob-eval hides /usr/share/emacs/26.1/lisp/org/ob-eval
~/work/code/org-mode/lisp/ob-coq hides /usr/share/emacs/26.1/lisp/org/ob-coq
~/work/code/org-mode/lisp/ob-latex hides /usr/share/emacs/26.1/lisp/org/ob-latex
~/work/code/org-mode/lisp/org-eww hides /usr/share/emacs/26.1/lisp/org/org-eww
~/work/code/org-mode/lisp/org-bbdb hides /usr/share/emacs/26.1/lisp/org/org-bbdb
~/work/code/org-mode/lisp/ob-picolisp hides /usr/share/emacs/26.1/lisp/org/ob-picolisp
~/work/code/org-mode/lisp/ob-emacs-lisp hides /usr/share/emacs/26.1/lisp/org/ob-emacs-lisp
~/work/code/org-mode/lisp/ox-beamer hides /usr/share/emacs/26.1/lisp/org/ox-beamer
~/work/code/org-mode/lisp/ob-ref hides /usr/share/emacs/26.1/lisp/org/ob-ref
~/work/code/org-mode/lisp/ob-shen hides /usr/share/emacs/26.1/lisp/org/ob-shen
~/work/code/org-mode/lisp/org-rmail hides /usr/share/emacs/26.1/lisp/org/org-rmail
~/work/code/org-mode/lisp/ob-calc hides /usr/share/emacs/26.1/lisp/org/ob-calc
~/work/code/org-mode/lisp/ob-tangle hides /usr/share/emacs/26.1/lisp/org/ob-tangle
~/work/code/org-mode/lisp/ox-odt hides /usr/share/emacs/26.1/lisp/org/ox-odt
~/work/code/org-mode/lisp/ox-org hides /usr/share/emacs/26.1/lisp/org/ox-org
~/work/code/org-mode/lisp/org-element hides /usr/share/emacs/26.1/lisp/org/org-element
~/work/code/org-mode/lisp/org-colview hides /usr/share/emacs/26.1/lisp/org/org-colview
~/work/code/org-mode/lisp/ox hides /usr/share/emacs/26.1/lisp/org/ox
~/work/code/org-mode/lisp/org-docview hides /usr/share/emacs/26.1/lisp/org/org-docview
~/work/code/org-mode/lisp/org-compat hides /usr/share/emacs/26.1/lisp/org/org-compat
~/work/code/org-mode/lisp/org-indent hides /usr/share/emacs/26.1/lisp/org/org-indent
~/work/code/org-mode/lisp/org-habit hides /usr/share/emacs/26.1/lisp/org/org-habit
~/work/code/org-mode/lisp/org-macs hides /usr/share/emacs/26.1/lisp/org/org-macs
~/work/code/org-mode/lisp/ob-css hides /usr/share/emacs/26.1/lisp/org/ob-css
~/work/code/org-mode/lisp/ob-processing hides /usr/share/emacs/26.1/lisp/org/ob-processing
~/work/code/org-mode/lisp/ob-ocaml hides /usr/share/emacs/26.1/lisp/org/ob-ocaml
~/work/code/org-mode/lisp/org-clock hides /usr/share/emacs/26.1/lisp/org/org-clock
~/work/code/org-mode/lisp/ob-core hides /usr/share/emacs/26.1/lisp/org/ob-core
~/work/code/org-mode/lisp/ob-makefile hides /usr/share/emacs/26.1/lisp/org/ob-makefile
~/work/code/org-mode/lisp/org-faces hides /usr/share/emacs/26.1/lisp/org/org-faces
~/work/code/org-mode/lisp/ob-ditaa hides /usr/share/emacs/26.1/lisp/org/ob-ditaa
~/work/code/org-mode/lisp/org-pcomplete hides /usr/share/emacs/26.1/lisp/org/org-pcomplete
~/work/code/org-mode/lisp/org-eshell hides /usr/share/emacs/26.1/lisp/org/org-eshell
~/work/code/org-mode/lisp/ox-html hides /usr/share/emacs/26.1/lisp/org/ox-html
~/work/code/org-mode/lisp/ob-R hides /usr/share/emacs/26.1/lisp/org/ob-R
~/work/code/org-mode/lisp/org hides /usr/share/emacs/26.1/lisp/org/org
~/work/code/org-mode/lisp/org-loaddefs hides /usr/share/emacs/26.1/lisp/org/org-loaddefs
~/work/code/org-mode/lisp/ob-plantuml hides /usr/share/emacs/26.1/lisp/org/ob-plantuml
~/work/code/org-mode/lisp/ox-man hides /usr/share/emacs/26.1/lisp/org/ox-man
~/work/code/org-mode/lisp/org-mobile hides /usr/share/emacs/26.1/lisp/org/org-mobile
~/work/code/org-mode/lisp/org-install hides /usr/share/emacs/26.1/lisp/org/org-install
~/work/code/org-mode/lisp/ob-clojure hides /usr/share/emacs/26.1/lisp/org/ob-clojure
~/work/code/org-mode/lisp/org-entities hides /usr/share/emacs/26.1/lisp/org/org-entities
/usr/share/emacs/site-lisp/latex-cjk-thai/thai-word hides /usr/share/emacs/26.1/lisp/language/thai-word
Features:
(shadow sort bbdb-message mail-extr emacsbug sendmail misearch
multi-isearch cl-print debug password-store f winner helm-command
helm-elisp helm-eval edebug helm-info helm-mode helm-files helm-buffers
helm-occur helm-tags helm-locate helm-grep helm-regexp helm-utils
helm-types helm-help helm-posframe posframe helm helm-source
helm-multi-match helm-lib wdired flycheck elec-pair default cperl-mode
ps-print ps-print-loaddefs ps-def lpr eieio-opt speedbar sb-image
ezimage dframe cal-iso face-remap spaceline-all-the-icons
spaceline-all-the-icons-separators spaceline-all-the-icons-segments
all-the-icons all-the-icons-faces data-material data-weathericons
data-octicons data-fileicons data-faicons data-alltheicons memoize
spaceline powerline powerline-separators powerline-themes
quelpa-use-package quelpa lisp-mnt help-fns radix-tree gnus-icalendar
org-capture gnus-art mm-uu mml2015 mm-view mml-smime smime dig cus-edit
ispell view cal-china lunar solar cal-dst cal-hebrew cal-julian holidays
hol-loaddefs org-duration org-bullets org-indent org-eww org-rmail
org-mhe org-irc org-info org-gnus nnir gnus-sum gnus-group gnus-undo
gnus-start gnus-cloud nnimap nnmail mail-source utf7 netrc nnoo
gnus-spec gnus-int gnus-range gnus-win org-docview doc-view image-mode
org-bibtex bibtex org-bbdb org-w3m git-auto-commit-mode vc-git appt
direnv alert log4e notifications gntp flx-ido flx yahoo-weather
magit-gerrit magithub magithub-dash magithub-notification magithub-orgs
magithub-issue-tricks magithub-issue-post magithub-edit-mode
magithub-repo magithub-ci magithub-issue magithub-label magithub-user
magithub-core magithub-faces magithub-settings recentf tree-widget
markdown-mode color bug-reference ghub+ apiwrap ghub-graphql treepy
gsexp ghub url-http url-gw nsm url-auth let-alist s magit-rockstar
magit-tramp spacemacs-light-theme spacemacs-common remember-theme
twittering-mode tls gnutls url url-proxy url-privacy url-expand
url-history url-cookie url-domsuf url-util mailcap tabify xmlunicode
quail xmlunicode-missing-list xmlunicode-character-list php-extras
thingatpt company org-mime ox-org ox-odt rng-loc rng-uri rng-parse
rng-match rng-dt rng-util rng-pttrn nxml-parse nxml-ns nxml-enc xmltok
nxml-util ox-latex ox-icalendar ox-html table ox-ascii ox-publish ox
org-habit org-agenda orgit org-element avl-tree generator
magit-submodule magit-obsolete magit-popup magit-blame magit-stash
magit-reflog magit-bisect magit-push magit-pull magit-fetch magit-clone
magit-remote magit-commit magit-sequence magit-notes magit-worktree
magit-tag magit-merge magit-branch magit-reset magit-files magit-refs
magit-status magit magit-repos magit-apply org org-macro org-footnote
org-pcomplete org-list org-faces org-entities org-version ob-ditaa
ob-shell ob-dot ob ob-tangle org-src ob-ref ob-lob ob-table ob-keys
ob-exp ob-comint ob-emacs-lisp ob-core ob-eval org-compat org-macs
org-loaddefs find-func noutline outline bbdb-mua bbdb-com bbdb bbdb-site
timezone icalendar diary-lib diary-loaddefs cal-menu calendar
cal-loaddefs windmove dbus xml time url-methods loccur use-package
use-package-ensure use-package-delight use-package-diminish
use-package-bind-key bind-key use-package-core docker-tramp tramp-cache
tramp tramp-compat tramp-loaddefs trampver ucs-normalize parse-time
jka-compr whiteboard-theme magit-wip magit-log which-func imenu
magit-diff smerge-mode diff-mode git-commit log-edit message rmc puny
rfc822 mml mml-sec epa epg mm-decode mm-bodies mm-encode mail-parse
rfc2231 mailabbrev gmm-utils mailheader pcvs-util add-log magit-core
magit-autorevert autorevert filenotify magit-margin magit-transient
magit-process with-editor warnings term disp-table ehelp esh-var esh-io
esh-cmd esh-opt esh-ext esh-proc esh-arg esh-groups eshell esh-module
esh-mode esh-util dired dired-loaddefs async-bytecomp async shell
pcomplete comint ring server ansi-color magit-mode transient cl-extra
help-mode format-spec magit-git magit-section magit-utils crm ido
help-at-pt gnus nnheader gnus-util rmail rmail-loaddefs rfc2047 rfc2045
ietf-drums mail-utils mm-util mail-prsvr wid-edit emojify derived
edmacro kmacro advice apropos tar-mode json map subr-x ht dash
auto-compile easy-mmode packed pcase allout cus-start cus-load debian-el
rx gh-common marshal eieio-compat org2blog-autoloads finder-inf cl info
slime-autoloads package easymenu epg-config url-handlers url-parse
auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs
password-cache url-vars seq byte-opt gv bytecomp byte-compile cconv
cl-loaddefs cl-lib devhelp time-date mule-util tooltip eldoc electric
uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page menu-bar rfn-eshadow isearch timer select
scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932
hebrew greek romanian slovak czech european ethiopic indian cyrillic
chinese composite charscript charprop case-table epa-hook jka-cmpr-hook
help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote dbusbind inotify lcms2 dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty
make-network-process emacs)
Memory information:
((conses 16 2088011 200045)
(symbols 48 72377 1)
(miscs 40 3011 6326)
(strings 32 531726 32691)
(string-bytes 1 20468411)
(vectors 16 122885)
(vector-slots 8 3552362 114084)
(floats 8 2029 845)
(intervals 56 24080 863)
(buffers 992 54))
--
http://hexmode.com/
Whoever closes his ear to the cry of the poor will himself call out
and not be answered. — Proverbs 21:13
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-11 14:10 bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink") Mark A. Hershberger
@ 2019-07-13 4:38 ` Lars Ingebrigtsen
2019-07-13 14:30 ` phillip.lord
2019-07-13 12:46 ` Noam Postavsky
1 sibling, 1 reply; 13+ messages in thread
From: Lars Ingebrigtsen @ 2019-07-13 4:38 UTC (permalink / raw)
To: Mark A. Hershberger; +Cc: 36598
mah@everybody.org (Mark A. Hershberger) writes:
> $ ls -l /tmp/emacs1000
> lrwxrwxrwx 1 mah mah 20 Jul 11 09:53 /tmp/emacs1000 -> /run/user/1000/emacs
>
> Whoever set up the symlink for /tmp/emacs1000 should also change the
> value of server-socket-dir.
I'm unable to reproduce this error -- do you have a recipe starting from
"emacs -Q"?
What is it that triggers the "is not a safe directory because it is a
symlink" error? Do you have a backtrace?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-13 4:38 ` Lars Ingebrigtsen
@ 2019-07-13 14:30 ` phillip.lord
2019-07-13 14:45 ` Lars Ingebrigtsen
0 siblings, 1 reply; 13+ messages in thread
From: phillip.lord @ 2019-07-13 14:30 UTC (permalink / raw)
To: Lars Ingebrigtsen; +Cc: bug-gnu-emacs, mah, 36598
On 2019-07-13 05:38, Lars Ingebrigtsen wrote:
> mah@everybody.org (Mark A. Hershberger) writes:
>
>> $ ls -l /tmp/emacs1000
>> lrwxrwxrwx 1 mah mah 20 Jul 11 09:53 /tmp/emacs1000 ->
>> /run/user/1000/emacs
>>
>> Whoever set up the symlink for /tmp/emacs1000 should also change the
>> value of server-socket-dir.
>
> I'm unable to reproduce this error -- do you have a recipe starting
> from
> "emacs -Q"?
>
> What is it that triggers the "is not a safe directory because it is a
> symlink" error? Do you have a backtrace?
I discovered the cause of this the other day.
Launch emacs-27, start the server. Now launch emacs-26 and start the
server with a different. The problem is that
emacs-27 creates the file /tmp/emacs($PID) as a symlink, while emacs-26
doesn't like it.
Probably created by
b663c837249 (Stefan Monnier 2019-05-03 538)
Phil
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-13 14:30 ` phillip.lord
@ 2019-07-13 14:45 ` Lars Ingebrigtsen
2019-07-13 15:56 ` phillip.lord
0 siblings, 1 reply; 13+ messages in thread
From: Lars Ingebrigtsen @ 2019-07-13 14:45 UTC (permalink / raw)
To: phillip.lord; +Cc: mah, 36598
phillip.lord@russet.org.uk writes:
> Launch emacs-27, start the server. Now launch emacs-26 and start the
> server with a different. The problem is that
> emacs-27 creates the file /tmp/emacs($PID) as a symlink, while
> emacs-26 doesn't like it.
>
> Probably created by
>
> b663c837249 (Stefan Monnier 2019-05-03 538)
Could you post a backtrace for the "doesn't like it" case?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-13 14:45 ` Lars Ingebrigtsen
@ 2019-07-13 15:56 ` phillip.lord
2019-07-14 1:43 ` Glenn Morris
2019-07-14 11:44 ` Lars Ingebrigtsen
0 siblings, 2 replies; 13+ messages in thread
From: phillip.lord @ 2019-07-13 15:56 UTC (permalink / raw)
To: Lars Ingebrigtsen; +Cc: mah, 36598
On 2019-07-13 15:45, Lars Ingebrigtsen wrote:
> phillip.lord@russet.org.uk writes:
>
>> Launch emacs-27, start the server. Now launch emacs-26 and start the
>> server with a different. The problem is that
>> emacs-27 creates the file /tmp/emacs($PID) as a symlink, while
>> emacs-26 doesn't like it.
>>
>> Probably created by
>>
>> b663c837249 (Stefan Monnier 2019-05-03 538)
>
> Could you post a backtrace for the "doesn't like it" case?
Sure. It is Emacs-26 that errors.
As far as I can see, this will only affect the edge case of someone
running two versions of Emacs. I tend to do this (I run gnus in a
standalone release emacs, and everything else in another emacs).
Phil
Debugger entered--Lisp error: (error "‘/tmp/emacs1000’ is not a safe
directory because it is a symlink")
signal(error ("‘/tmp/emacs1000’ is not a safe directory because it is
a symlink"))
error("`%s' is not a safe directory because %s" "/tmp/emacs1000" "it
is a symlink")
(progn (error "`%s' is not a safe directory because %s"
(expand-file-name dir) unsafe))
(if unsafe (progn (error "`%s' is not a safe directory because %s"
(expand-file-name dir) unsafe)))
(let* ((uid (nth 2 attrs)) (w32 (eq system-type (quote windows-nt)))
(unsafe (cond ((not (eq t (car attrs))) (if (null attrs) "its attributes
can't be checked" (format "it is a %s" (if ... "symlink" "file"))))
((and w32 (= 0 uid)) (display-warning (quote server) (format-message
"Using `%s' to store Emacs-server authentication files.\nDirectories on
FAT32 filesystems are NOT secure against tampering.\nSee variable
`server-auth-dir' for details." (file-name-as-directory dir)) :warning)
nil) ((and (/= uid (user-uid)) (or (not w32) (/= uid 544) (/= ... 500)))
(format "it is not owned by you (owner = %s (%d))" (user-full-name uid)
uid)) (w32 nil) ((/= 0 (logand 63 (file-modes dir))) (format "it is
accessible by others (%03o)" (file-modes dir))) (t nil)))) (if unsafe
(progn (error "`%s' is not a safe directory because %s"
(expand-file-name dir) unsafe))))
(let ((attrs (file-attributes dir (quote integer)))) (if attrs nil
(let* ((old (default-file-modes))) (unwind-protect (progn (progn
(set-default-file-modes 448) 448) (make-directory dir t)) (let* ((v
old)) (progn (set-default-file-modes v) v)))) (setq attrs
(file-attributes dir (quote integer)))) (let* ((uid (nth 2 attrs)) (w32
(eq system-type (quote windows-nt))) (unsafe (cond ((not (eq t ...)) (if
(null attrs) "its attributes can't be checked" (format "it is a %s"
...))) ((and w32 (= 0 uid)) (display-warning (quote server)
(format-message "Using `%s' to store Emacs-server authentication
files.\nDirectories on FAT32 filesystems are NOT secure against
tampering.\nSee variable `server-auth-dir' for details." ...) :warning)
nil) ((and (/= uid ...) (or ... ... ...)) (format "it is not owned by
you (owner = %s (%d))" (user-full-name uid) uid)) (w32 nil) ((/= 0
(logand 63 ...)) (format "it is accessible by others (%03o)" (file-modes
dir))) (t nil)))) (if unsafe (progn (error "`%s' is not a safe directory
because %s" (expand-file-name dir) unsafe)))))
server-ensure-safe-dir("/tmp/emacs1000")
(if leave-dead (progn (if (eq t leave-dead) nil (server-log (message
"Server stopped"))) (setq server-process nil)) (server-ensure-safe-dir
server-dir) (if server-process (progn (server-log (message "Restarting
server")))) (let* ((old (default-file-modes))) (unwind-protect (progn
(progn (set-default-file-modes 448) 448) (add-hook (quote
suspend-tty-functions) (quote server-handle-suspend-tty)) (add-hook
(quote delete-frame-functions) (quote server-handle-delete-frame))
(add-hook (quote kill-emacs-query-functions) (quote
server-kill-emacs-query-function)) (add-hook (quote kill-emacs-hook)
(quote server-force-stop) t) (setq server-process (apply (function
make-network-process) :name server-name :server t :noquery t :sentinel
(function server-sentinel) :filter (function server-process-filter)
:use-external-socket t :coding (quote raw-text-unix) (if server-use-tcp
(list :family ... :service ... :host ... :plist ...) (list :family ...
:service server-file :plist ...)))) (if server-process nil (error "Could
not start server process")) (process-put server-process :server-file
server-file) (if server-use-tcp (progn (let (...) (process-put
server-process :auth-key auth-key) (let ... ...))))) (let* ((v old))
(progn (set-default-file-modes v) v)))))
(let* ((server-dir (if server-use-tcp server-auth-dir
server-socket-dir)) (server-file (expand-file-name server-name
server-dir))) (if server-process (progn (condition-case nil (progn
(delete-process server-process)) (error nil)))) (if (not (eq t
(server-running-p server-name))) (condition-case nil (progn (let
(delete-by-moving-to-trash) (delete-file server-file))) (error nil))
(setq server-mode nil) (display-warning (quote server) (concat "Unable
to start the Emacs server.\n" (format "There is an existing Emacs
server, named %S.\n" server-name) (substitute-command-keys "To start the
server in this Emacs process, stop the existing\nserver or call
`\\[server-force-delete]' to forcibly disconnect it.")) :warning) (setq
leave-dead t)) (while server-clients (server-delete-client (car
server-clients))) (if leave-dead (progn (if (eq t leave-dead) nil
(server-log (message "Server stopped"))) (setq server-process nil))
(server-ensure-safe-dir server-dir) (if server-process (progn
(server-log (message "Restarting server")))) (let* ((old
(default-file-modes))) (unwind-protect (progn (progn
(set-default-file-modes 448) 448) (add-hook (quote
suspend-tty-functions) (quote server-handle-suspend-tty)) (add-hook
(quote delete-frame-functions) (quote server-handle-delete-frame))
(add-hook (quote kill-emacs-query-functions) (quote
server-kill-emacs-query-function)) (add-hook (quote kill-emacs-hook)
(quote server-force-stop) t) (setq server-process (apply (function
make-network-process) :name server-name :server t :noquery t :sentinel
(function server-sentinel) :filter (function server-process-filter)
:use-external-socket t :coding (quote raw-text-unix) (if server-use-tcp
... ...))) (if server-process nil (error "Could not start server
process")) (process-put server-process :server-file server-file) (if
server-use-tcp (progn (let ... ... ...)))) (let* ((v old)) (progn
(set-default-file-modes v) v))))))
(progn (let* ((server-dir (if server-use-tcp server-auth-dir
server-socket-dir)) (server-file (expand-file-name server-name
server-dir))) (if server-process (progn (condition-case nil (progn
(delete-process server-process)) (error nil)))) (if (not (eq t
(server-running-p server-name))) (condition-case nil (progn (let
(delete-by-moving-to-trash) (delete-file server-file))) (error nil))
(setq server-mode nil) (display-warning (quote server) (concat "Unable
to start the Emacs server.\n" (format "There is an existing Emacs
server, named %S.\n" server-name) (substitute-command-keys "To start the
server in this Emacs process, stop the existing\nserver or call
`\\[server-force-delete]' to forcibly disconnect it.")) :warning) (setq
leave-dead t)) (while server-clients (server-delete-client (car
server-clients))) (if leave-dead (progn (if (eq t leave-dead) nil
(server-log (message "Server stopped"))) (setq server-process nil))
(server-ensure-safe-dir server-dir) (if server-process (progn
(server-log (message "Restarting server")))) (let* ((old
(default-file-modes))) (unwind-protect (progn (progn
(set-default-file-modes 448) 448) (add-hook (quote
suspend-tty-functions) (quote server-handle-suspend-tty)) (add-hook
(quote delete-frame-functions) (quote server-handle-delete-frame))
(add-hook (quote kill-emacs-query-functions) (quote
server-kill-emacs-query-function)) (add-hook (quote kill-emacs-hook)
(quote server-force-stop) t) (setq server-process (apply ... :name
server-name :server t :noquery t :sentinel ... :filter ...
:use-external-socket t :coding ... ...)) (if server-process nil (error
"Could not start server process")) (process-put server-process
:server-file server-file) (if server-use-tcp (progn ...))) (let* ((v
old)) (progn (set-default-file-modes v) v)))))))
(if (or (not server-clients) (cond ((and (daemonp) (null (cdr
(frame-list))) (eq (selected-frame) terminal-frame)) leave-dead)
(inhibit-prompt t) (t (yes-or-no-p "The current server still has
clients; delete them? ")))) (progn (let* ((server-dir (if server-use-tcp
server-auth-dir server-socket-dir)) (server-file (expand-file-name
server-name server-dir))) (if server-process (progn (condition-case nil
(progn (delete-process server-process)) (error nil)))) (if (not (eq t
(server-running-p server-name))) (condition-case nil (progn (let
(delete-by-moving-to-trash) (delete-file server-file))) (error nil))
(setq server-mode nil) (display-warning (quote server) (concat "Unable
to start the Emacs server.\n" (format "There is an existing Emacs
server, named %S.\n" server-name) (substitute-command-keys "To start the
server in this Emacs process, stop the existing\nserver or call
`\\[server-force-delete]' to forcibly disconnect it.")) :warning) (setq
leave-dead t)) (while server-clients (server-delete-client (car
server-clients))) (if leave-dead (progn (if (eq t leave-dead) nil
(server-log (message "Server stopped"))) (setq server-process nil))
(server-ensure-safe-dir server-dir) (if server-process (progn
(server-log (message "Restarting server")))) (let* ((old
(default-file-modes))) (unwind-protect (progn (progn ... 448) (add-hook
... ...) (add-hook ... ...) (add-hook ... ...) (add-hook ... ... t)
(setq server-process ...) (if server-process nil ...) (process-put
server-process :server-file server-file) (if server-use-tcp ...)) (let*
(...) (progn ... v))))))))
server-start(nil)
funcall-interactively(server-start nil)
call-interactively(server-start record nil)
command-execute(server-start record)
execute-extended-command(nil "server-start" "server-start")
funcall-interactively(execute-extended-command nil "server-start"
"server-start")
call-interactively(execute-extended-command nil nil)
command-execute(execute-extended-command)
^ permalink raw reply [flat|nested] 13+ messages in thread* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-13 15:56 ` phillip.lord
@ 2019-07-14 1:43 ` Glenn Morris
2019-07-14 11:44 ` Lars Ingebrigtsen
1 sibling, 0 replies; 13+ messages in thread
From: Glenn Morris @ 2019-07-14 1:43 UTC (permalink / raw)
To: phillip.lord; +Cc: Lars Ingebrigtsen, 36598, mah
phillip.lord@russet.org.uk wrote:
> As far as I can see, this will only affect the edge case of someone
> running two versions of Emacs. I tend to do this (I run gnus in a
> standalone release emacs, and everything else in another emacs).
Note that running "make check" in master creates this link and leaves it
behind, causing this error to occur for any released Emacs version.
It's a bit irritating.
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-13 15:56 ` phillip.lord
2019-07-14 1:43 ` Glenn Morris
@ 2019-07-14 11:44 ` Lars Ingebrigtsen
2019-07-14 19:11 ` phillip.lord
1 sibling, 1 reply; 13+ messages in thread
From: Lars Ingebrigtsen @ 2019-07-14 11:44 UTC (permalink / raw)
To: phillip.lord; +Cc: mah, 36598, Stefan Monnier
phillip.lord@russet.org.uk writes:
> On 2019-07-13 15:45, Lars Ingebrigtsen wrote:
>> phillip.lord@russet.org.uk writes:
>>
>>> Launch emacs-27, start the server. Now launch emacs-26 and start the
>>> server with a different. The problem is that
>>> emacs-27 creates the file /tmp/emacs($PID) as a symlink, while
>>> emacs-26 doesn't like it.
>>>
>>> Probably created by
>>>
>>> b663c837249 (Stefan Monnier 2019-05-03 538)
>>
>> Could you post a backtrace for the "doesn't like it" case?
>
> Sure. It is Emacs-26 that errors.
>
> As far as I can see, this will only affect the edge case of someone
> running two versions of Emacs. I tend to do this (I run gnus in a
> standalone release emacs, and everything else in another emacs).
Commit b663c837249 (in May) which says "Cosmetic changes" is the one
that introduced this code?
(let ((olddir (or (getenv "TMPDIR") "/tmp")))
(when (and (equal dir (format "%s/emacs" (getenv "XDG_RUNTIME_DIR")))
(file-writable-p olddir))
(let ((link (format "%s/emacs%d" olddir (user-uid))))
(unless (file-directory-p link)
;; We're using the new location, so try and setup a symlink from
;; the old location, in case we want to use an old emacsclient.
;; FIXME: Check that it's safe to use!
(make-symbolic-link dir link t)))))
And instead of making things work with an old emacsclient, it breaks the
Emacs 26 emacsclient?
I may be reading the region history wrong, though.
Stefan, was this checked in by mistake?
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 13+ messages in thread* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-14 11:44 ` Lars Ingebrigtsen
@ 2019-07-14 19:11 ` phillip.lord
2019-07-15 13:04 ` Stefan Monnier
0 siblings, 1 reply; 13+ messages in thread
From: phillip.lord @ 2019-07-14 19:11 UTC (permalink / raw)
To: Lars Ingebrigtsen; +Cc: mah, 36598, Stefan Monnier
On 2019-07-14 12:44, Lars Ingebrigtsen wrote:
> phillip.lord@russet.org.uk writes:
>
>> On 2019-07-13 15:45, Lars Ingebrigtsen wrote:
>>> phillip.lord@russet.org.uk writes:
>>>
>>>> Launch emacs-27, start the server. Now launch emacs-26 and start the
>>>> server with a different. The problem is that
>>>> emacs-27 creates the file /tmp/emacs($PID) as a symlink, while
>>>> emacs-26 doesn't like it.
>>>>
>>>> Probably created by
>>>>
>>>> b663c837249 (Stefan Monnier 2019-05-03 538)
>>>
>>> Could you post a backtrace for the "doesn't like it" case?
>>
>> Sure. It is Emacs-26 that errors.
>>
>> As far as I can see, this will only affect the edge case of someone
>> running two versions of Emacs. I tend to do this (I run gnus in a
>> standalone release emacs, and everything else in another emacs).
>
> Commit b663c837249 (in May) which says "Cosmetic changes" is the one
> that introduced this code?
>
> (let ((olddir (or (getenv "TMPDIR") "/tmp")))
> (when (and (equal dir (format "%s/emacs" (getenv
> "XDG_RUNTIME_DIR")))
> (file-writable-p olddir))
> (let ((link (format "%s/emacs%d" olddir (user-uid))))
> (unless (file-directory-p link)
> ;; We're using the new location, so try and setup a symlink
> from
> ;; the old location, in case we want to use an old
> emacsclient.
> ;; FIXME: Check that it's safe to use!
> (make-symbolic-link dir link t)))))
>
> And instead of making things work with an old emacsclient, it breaks
> the
> Emacs 26 emacsclient?
Nearly. I think it breaks emacs-26 not the emacsclient. I haven't check
the emacsclient code, but I guess Stefan was
aiming for the situation when someone is using (say) emacsclient-26 with
emacs-27.
This is all a bit of a guess, though.
> I may be reading the region history wrong, though.
>
> Stefan, was this checked in by mistake?
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-14 19:11 ` phillip.lord
@ 2019-07-15 13:04 ` Stefan Monnier
2019-07-18 6:27 ` Eli Zaretskii
0 siblings, 1 reply; 13+ messages in thread
From: Stefan Monnier @ 2019-07-15 13:04 UTC (permalink / raw)
To: phillip.lord; +Cc: Lars Ingebrigtsen, 36598, mah
>> Commit b663c837249 (in May) which says "Cosmetic changes" is the one
>> that introduced this code?
>>
>> (let ((olddir (or (getenv "TMPDIR") "/tmp")))
>> (when (and (equal dir (format "%s/emacs" (getenv
>> "XDG_RUNTIME_DIR")))
>> (file-writable-p olddir))
>> (let ((link (format "%s/emacs%d" olddir (user-uid))))
>> (unless (file-directory-p link)
>> ;; We're using the new location, so try and setup a symlink
>> from
>> ;; the old location, in case we want to use an
>> old emacsclient.
>> ;; FIXME: Check that it's safe to use!
>> (make-symbolic-link dir link t)))))
>>
>> And instead of making things work with an old emacsclient, it breaks the
>> Emacs 26 emacsclient?
>
> Nearly. I think it breaks emacs-26 not the emacsclient. I haven't check the
> emacsclient code, but I guess Stefan was
> aiming for the situation when someone is using (say) emacsclient-26 with
> emacs-27.
Indeed (it's Debian/s /usr/bin/emacsclient accessing my hand-built
Emacs-27 server).
>> Stefan, was this checked in by mistake?
Definitely,
Stefan
^ permalink raw reply [flat|nested] 13+ messages in thread* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-15 13:04 ` Stefan Monnier
@ 2019-07-18 6:27 ` Eli Zaretskii
2019-07-23 12:07 ` Noam Postavsky
0 siblings, 1 reply; 13+ messages in thread
From: Eli Zaretskii @ 2019-07-18 6:27 UTC (permalink / raw)
To: Stefan Monnier; +Cc: larsi, 36598, mah, phillip.lord
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Mon, 15 Jul 2019 09:04:22 -0400
> Cc: Lars Ingebrigtsen <larsi@gnus.org>, 36598@debbugs.gnu.org,
> mah@everybody.org
>
> >> Commit b663c837249 (in May) which says "Cosmetic changes" is the one
> >> that introduced this code?
> >>
> >> (let ((olddir (or (getenv "TMPDIR") "/tmp")))
> >> (when (and (equal dir (format "%s/emacs" (getenv
> >> "XDG_RUNTIME_DIR")))
> >> (file-writable-p olddir))
> >> (let ((link (format "%s/emacs%d" olddir (user-uid))))
> >> (unless (file-directory-p link)
> >> ;; We're using the new location, so try and setup a symlink
> >> from
> >> ;; the old location, in case we want to use an
> >> old emacsclient.
> >> ;; FIXME: Check that it's safe to use!
> >> (make-symbolic-link dir link t)))))
> >>
> >> And instead of making things work with an old emacsclient, it breaks the
> >> Emacs 26 emacsclient?
> >
> > Nearly. I think it breaks emacs-26 not the emacsclient. I haven't check the
> > emacsclient code, but I guess Stefan was
> > aiming for the situation when someone is using (say) emacsclient-26 with
> > emacs-27.
>
> Indeed (it's Debian/s /usr/bin/emacsclient accessing my hand-built
> Emacs-27 server).
>
> >> Stefan, was this checked in by mistake?
>
> Definitely,
If this mistake adversely affects the release branch, please revert
that commit. We will have RC1 soon.
Thanks.
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-18 6:27 ` Eli Zaretskii
@ 2019-07-23 12:07 ` Noam Postavsky
0 siblings, 0 replies; 13+ messages in thread
From: Noam Postavsky @ 2019-07-23 12:07 UTC (permalink / raw)
To: Eli Zaretskii; +Cc: mah, phillip.lord, 36598, larsi, Stefan Monnier
tags 36598 fixed
close 36598
quit
Eli Zaretskii <eliz@gnu.org> writes:
>> >> Commit b663c837249 (in May) which says "Cosmetic changes" is the one
>> >> that introduced this code?
>> >> And instead of making things work with an old emacsclient, it breaks the
>> >> Emacs 26 emacsclient?
>> >
>> > Nearly. I think it breaks emacs-26 not the emacsclient. I haven't check the
>> > emacsclient code, but I guess Stefan was
>> > aiming for the situation when someone is using (say) emacsclient-26 with
>> > emacs-27.
>>
>> Indeed (it's Debian/s /usr/bin/emacsclient accessing my hand-built
>> Emacs-27 server).
>>
>> >> Stefan, was this checked in by mistake?
>>
>> Definitely,
>
> If this mistake adversely affects the release branch, please revert
> that commit. We will have RC1 soon.
It has been reverted, closing the bug.
8a2f763e5c 2019-07-18T11:10:05-04:00 "* lisp/server.el (server-ensure-safe-dir): Revert part of b663c8372495"
https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=8a2f763e5cc0ed5b5eecd6a315ac45310bc7a2dd
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-11 14:10 bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink") Mark A. Hershberger
2019-07-13 4:38 ` Lars Ingebrigtsen
@ 2019-07-13 12:46 ` Noam Postavsky
2019-07-13 13:06 ` Lars Ingebrigtsen
1 sibling, 1 reply; 13+ messages in thread
From: Noam Postavsky @ 2019-07-13 12:46 UTC (permalink / raw)
To: Mark A. Hershberger; +Cc: 36598
mah@everybody.org (Mark A. Hershberger) writes:
> $ ls -l /tmp/emacs1000
> lrwxrwxrwx 1 mah mah 20 Jul 11 09:53 /tmp/emacs1000 -> /run/user/1000/emacs
>
> Whoever set up the symlink for /tmp/emacs1000
Do you know who that is?
> should also change the value of server-socket-dir.
>
>
> In GNU Emacs 26.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.4)
> of 2019-02-03, modified by Debian built on zam904
Debian, perhaps?
^ permalink raw reply [flat|nested] 13+ messages in thread
* bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink")
2019-07-13 12:46 ` Noam Postavsky
@ 2019-07-13 13:06 ` Lars Ingebrigtsen
0 siblings, 0 replies; 13+ messages in thread
From: Lars Ingebrigtsen @ 2019-07-13 13:06 UTC (permalink / raw)
To: Noam Postavsky; +Cc: Mark A. Hershberger, 36598
Noam Postavsky <npostavs@gmail.com> writes:
> mah@everybody.org (Mark A. Hershberger) writes:
>
>> $ ls -l /tmp/emacs1000
>> lrwxrwxrwx 1 mah mah 20 Jul 11 09:53 /tmp/emacs1000 -> /run/user/1000/emacs
>>
>> Whoever set up the symlink for /tmp/emacs1000
>
> Do you know who that is?
It's probably this code? But it works for me; it just sets up a symlink
from /tmp for compatibility with older emacsclients, I think?
(defun server-ensure-safe-dir (dir)
[...]
(let ((olddir (or (getenv "TMPDIR") "/tmp")))
(when (and (equal dir (format "%s/emacs" (getenv "XDG_RUNTIME_DIR")))
(file-writable-p olddir))
(let ((link (format "%s/emacs%d" olddir (user-uid))))
(unless (file-directory-p link)
;; We're using the new location, so try and setup a symlink from
;; the old location, in case we want to use an old emacsclient.
;; FIXME: Check that it's safe to use!
(make-symbolic-link dir link t)))))
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
^ permalink raw reply [flat|nested] 13+ messages in thread
end of thread, other threads:[~2019-07-23 12:07 UTC | newest]
Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-07-11 14:10 bug#36598: 26.1; (error "‘/tmp/emacs1000’ is not a safe directory because it is a symlink") Mark A. Hershberger
2019-07-13 4:38 ` Lars Ingebrigtsen
2019-07-13 14:30 ` phillip.lord
2019-07-13 14:45 ` Lars Ingebrigtsen
2019-07-13 15:56 ` phillip.lord
2019-07-14 1:43 ` Glenn Morris
2019-07-14 11:44 ` Lars Ingebrigtsen
2019-07-14 19:11 ` phillip.lord
2019-07-15 13:04 ` Stefan Monnier
2019-07-18 6:27 ` Eli Zaretskii
2019-07-23 12:07 ` Noam Postavsky
2019-07-13 12:46 ` Noam Postavsky
2019-07-13 13:06 ` Lars Ingebrigtsen
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