GNU bug report logs - #50280
26.1; url.el does not support socks5h:// proxy scheme

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Łukasz Stelmach <steelman <at> post.pl>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.1; url.el does not support socks5h:// proxy scheme
Date: Mon, 30 Aug 2021 19:12:06 +0200

I've got HTTPS_PROXY environment variable set to
"socks5h://127.0.0.1:9050" to use tor. Unfortunatelly the url package
discards the sock5h:// scheme in url-scheme-register-proxy and sets
url-proxy-services to (("https" . "127.0.0.1:9050")) which makes the
rest of the url package think the proxy supports HTTP. When Emacs makes
HTTP requests tor responds 501 Not implemented. 

While it wouldn't be good for tor users if Emacs would ignore socks5h
proxies making direct connections, current behaviour isn't helpful
either as it requires certain lisp knowledge and some time to understand
the situation.

IMHO there are two possible solution which can actually go togeher.
First and quick is to report error if a proxy in a *_PROXY environment
variable contains a scheme (e.g. socks5h) that isn't supported instead
of discarding it, and thus treating it as http. Second is to fully
support SOCKS via socks.el (reporting unsupported schemes in proxy urls
will still be helpful).

In GNU Emacs 26.1 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.5)
 of 2021-01-31, modified by Debian built on x86-csail-01
Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
System Description:	Debian GNU/Linux 10 (buster)

Recent messages:
Result: "Using a proxy for https..."

Result: "Using a proxy for https..."

(("https" . "127.0.0.1:9050"))
Auto-saving...
Mark saved where search started
Making completion list... [2 times]
Quit [2 times]
Making completion list... [2 times]

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-9Yet8u/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: pl_PL.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Emacs-Lisp

Minor modes in effect:
  bug-reference-prog-mode: t
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  electric-pair-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
/usr/share/emacs/site-lisp/elpa/debian-el-37/deb-view hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/deb-view
/usr/share/emacs/site-lisp/elpa/debian-el-37/debian-el-autoloads hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/debian-el-autoloads
/usr/share/emacs/site-lisp/elpa/debian-el-37/debian-el hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/debian-el
/usr/share/emacs/site-lisp/elpa/debian-el-37/preseed hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/preseed
/usr/share/emacs/site-lisp/elpa/debian-el-37/debian-el-pkg hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/debian-el-pkg
/usr/share/emacs/site-lisp/elpa/debian-el-37/debian-bug hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/debian-bug
/usr/share/emacs/site-lisp/elpa/debian-el-37/apt-sources hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/apt-sources
/usr/share/emacs/site-lisp/elpa/debian-el-37/apt-utils hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/apt-utils
/usr/share/emacs/site-lisp/elpa/debian-el-37/gnus-BTS hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/gnus-BTS
/usr/share/emacs/site-lisp/elpa/debian-el-37/debian-autoloads hides /usr/share/emacs/site-lisp/elpa-src/debian-el-37/debian-autoloads
/usr/share/emacs/site-lisp/elpa/editorconfig-0.7.14/editorconfig-pkg hides /usr/share/emacs/site-lisp/elpa-src/editorconfig-0.7.14/editorconfig-pkg
/usr/share/emacs/site-lisp/elpa/editorconfig-0.7.14/editorconfig-autoloads hides /usr/share/emacs/site-lisp/elpa-src/editorconfig-0.7.14/editorconfig-autoloads
/usr/share/emacs/site-lisp/elpa/editorconfig-0.7.14/editorconfig hides /usr/share/emacs/site-lisp/elpa-src/editorconfig-0.7.14/editorconfig
/usr/share/emacs/site-lisp/elpa/editorconfig-0.7.14/editorconfig-conf-mode hides /usr/share/emacs/site-lisp/elpa-src/editorconfig-0.7.14/editorconfig-conf-mode
/usr/share/emacs/site-lisp/elpa/editorconfig-0.7.14/editorconfig-fnmatch hides /usr/share/emacs/site-lisp/elpa-src/editorconfig-0.7.14/editorconfig-fnmatch
/usr/share/emacs/site-lisp/elpa/editorconfig-0.7.14/editorconfig-core-handle hides /usr/share/emacs/site-lisp/elpa-src/editorconfig-0.7.14/editorconfig-core-handle
/usr/share/emacs/site-lisp/elpa/editorconfig-0.7.14/editorconfig-core hides /usr/share/emacs/site-lisp/elpa-src/editorconfig-0.7.14/editorconfig-core
/usr/share/emacs/site-lisp/elpa/go-mode-1.5.0/go-mode-autoloads hides /usr/share/emacs/site-lisp/elpa-src/go-mode-1.5.0/go-mode-autoloads
/usr/share/emacs/site-lisp/elpa/go-mode-1.5.0/go-mode hides /usr/share/emacs/site-lisp/elpa-src/go-mode-1.5.0/go-mode
/usr/share/emacs/site-lisp/elpa/go-mode-1.5.0/go-mode-pkg hides /usr/share/emacs/site-lisp/elpa-src/go-mode-1.5.0/go-mode-pkg
/usr/share/emacs/site-lisp/elpa/go-mode-1.5.0/go-guru hides /usr/share/emacs/site-lisp/elpa-src/go-mode-1.5.0/go-guru
/usr/share/emacs/site-lisp/elpa/go-mode-1.5.0/go-rename hides /usr/share/emacs/site-lisp/elpa-src/go-mode-1.5.0/go-rename
/usr/share/emacs/site-lisp/elpa/htmlize-1.54/htmlize hides /usr/share/emacs/site-lisp/elpa-src/htmlize-1.54/htmlize
/usr/share/emacs/site-lisp/elpa/htmlize-1.54/htmlize-pkg hides /usr/share/emacs/site-lisp/elpa-src/htmlize-1.54/htmlize-pkg
/usr/share/emacs/site-lisp/elpa/htmlize-1.54/htmlize-autoloads hides /usr/share/emacs/site-lisp/elpa-src/htmlize-1.54/htmlize-autoloads
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-fonts hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-fonts
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-reconcile hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-reconcile
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-flymake hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-flymake
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-occur hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-occur
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-sort hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-sort
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-pkg hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-pkg
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-test hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-test
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-regex hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-regex
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-fontify hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-fontify
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-navigate hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-navigate
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-check hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-check
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-post hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-post
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-xact hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-xact
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-report hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-report
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-mode hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-mode
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-texi hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-texi
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-autoloads hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-autoloads
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-complete hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-complete
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-state hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-state
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-context hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-context
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-init hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-init
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-commodities hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-commodities
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-schedule hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-schedule
/usr/share/emacs/site-lisp/elpa/ledger-3.1.2/ledger-exec hides /usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-exec
/usr/share/emacs/site-lisp/elpa/lua-mode-20151025/lua-mode-pkg hides /usr/share/emacs/site-lisp/elpa-src/lua-mode-20151025/lua-mode-pkg
/usr/share/emacs/site-lisp/elpa/lua-mode-20151025/lua-mode-autoloads hides /usr/share/emacs/site-lisp/elpa-src/lua-mode-20151025/lua-mode-autoloads
/usr/share/emacs/site-lisp/elpa/lua-mode-20151025/init-tryout hides /usr/share/emacs/site-lisp/elpa-src/lua-mode-20151025/init-tryout
/usr/share/emacs/site-lisp/elpa/lua-mode-20151025/lua-mode hides /usr/share/emacs/site-lisp/elpa-src/lua-mode-20151025/lua-mode
/usr/share/emacs/site-lisp/elpa/yaml-mode-0.0.13/yaml-mode hides /usr/share/emacs/site-lisp/elpa-src/yaml-mode-0.0.13/yaml-mode
/usr/share/emacs/site-lisp/elpa/yaml-mode-0.0.13/yaml-mode-pkg hides /usr/share/emacs/site-lisp/elpa-src/yaml-mode-0.0.13/yaml-mode-pkg
/usr/share/emacs/site-lisp/elpa/yaml-mode-0.0.13/yaml-mode-autoloads hides /usr/share/emacs/site-lisp/elpa-src/yaml-mode-0.0.13/yaml-mode-autoloads

Features:
(shadow emacsbug bug-reference url-about url-dav url-dired package-x
debug url-http url-gw url-cache url-auth conf-mode etags xref project
descr-text picture reporter debian-bug cl-print edebug mule-diag novice
yaml-mode warnings calc-map calc-stat calc-vec gnuplot-gui ox-org ox-odt
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nxml-ns nxml-enc xmltok nxml-util ox-latex ox-icalendar ox-html table
ox-ascii ox-publish ox gnuplot info-look org-plot org-table mhtml-mode
css-mode eww mm-url url-queue url url-proxy url-privacy url-expand
url-methods url-history url-cookie url-domsuf js imenu sgml-mode
flyspell ispell view holidays hol-loaddefs cal-julian lunar solar
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json map calc-yank calc-misc calc-mode calc-alg calc-ext calc-menu calc
calc-loaddefs calc-macs org-clock cal-iso cal-move xmtn-dvc dvc-status
xmtn-conflicts xmtn-ids xmtn-match xmtn-automate xmtn-compat xmtn-run
xmtn-basic-io xmtn-base cl org-w3m org-info org-habit org-agenda
org-gnus nnir org-bibtex bibtex org-bbdb files-x tramp-sh tramp-cache
tramp tramp-compat tramp-loaddefs trampver ucs-normalize shell misearch
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diff tla-gnus dvc-gnus dvc-cmenu dvc-about dvc-version dvc-revlist
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ob-table ob-keys ob-exp ob-comint ob-core ob-eval org-compat org-macs
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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
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backquote dbusbind inotify lcms2 dynamic-setting system-font-setting
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make-network-process emacs)

Memory information:
((conses 16 1097718 198779)
 (symbols 48 101148 3)
 (miscs 40 8429 15584)
 (strings 32 263362 36253)
 (string-bytes 1 7985155)
 (vectors 16 103854)
 (vector-slots 8 2681460 153680)
 (floats 8 1149 1951)
 (intervals 56 48508 2488)
 (buffers 992 163))

-- 
Miłego dnia,
Łukasz Stelmach

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