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boundary="000000000000cb297e05fd835e98" --000000000000cb297e05fd835e98 Content-Type: text/plain; charset="UTF-8" When I POST a file ending with a newline using EWW, the final newline gets chomped off of the content. This is because mm-url-encode-multipart-form-data inserts CRLF unless it is at the beginning of a line. For file uploads, this behavior is incorrect. To reproduce, 0. Upload a file ending in "\n" using EWW. 1. Observe the POST does not have CRLF between the file content and the boundary. Refer to https://www.rfc-editor.org/rfc/rfc2046#section-5.1.1 for details. I have not tested other kinds of html form posts. I am not familiar with what should be tested. I did include tests for this specific bug though. In GNU Emacs 29.0.91 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.33, cairo version 1.16.0) of 2023-06-06 built on trent-reznor Repository revision: b5eb43ba289519704c6cb0fe456038dcaec172c3 Repository branch: CRLF-before-noninitial-boundary Windowing system distributor 'The X.Org Foundation', version 11.0.12101004 System Description: Ubuntu 22.04.2 LTS Configured features: CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG LIBSELINUX LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Fundamental Minor modes in effect: tooltip-mode: t global-eldoc-mode: t show-paren-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 blink-cursor-mode: t buffer-read-only: t line-number-mode: t indent-tabs-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message mailcap yank-media puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util text-property-search time-date subr-x mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils rmc iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode 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 lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine 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 emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify dynamic-setting system-font-setting font-render-setting cairo move-toolbar gtk x-toolkit xinput2 x multi-tty make-network-process emacs) Memory information: ((conses 16 36910 11079) (symbols 48 5128 0) (strings 32 13160 1100) (string-bytes 1 372301) (vectors 16 9331) (vector-slots 8 149255 18597) (floats 8 33 21) (intervals 56 326 0) (buffers 976 11)) --000000000000cb297e05fd835e98 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
When I POST a file ending with a newline using EWW, the fi= nal newline
gets chomped off of the content.=C2=A0 This is because
mm= -url-encode-multipart-form-data inserts CRLF unless it is at the
beginni= ng of a line.=C2=A0 For file uploads, this behavior is incorrect.

To= reproduce,

0. Upload a file ending in "\n" using EWW.
=
1. Observe the POST does not have CRLF between the file content and the=
boundary.

Refer to https://www.rfc-editor.org/rfc/rfc2046#section-5.1.1 for
details.

I have not tested other kinds of html form posts.= =C2=A0 I am not familiar
with what should be tested.=C2=A0 I did include= tests for this specific bug
though.


In GNU Emacs 29.0.91 (bu= ild 1, x86_64-pc-linux-gnu, GTK+ Version
=C2=A03.24.33, cairo version 1.= 16.0) of 2023-06-06 built on trent-reznor
Repository revision: b5eb43ba2= 89519704c6cb0fe456038dcaec172c3
Repository branch: CRLF-before-noninitia= l-boundary
Windowing system distributor 'The X.Org Foundation', = version 11.0.12101004
System Description: Ubuntu 22.04.2 LTS

Conf= igured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFB= UZZ JPEG
LIBSELINUX LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG SECCOMP S= OUND
THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB=

Important settings:
=C2=A0 value of $LANG: en_US.UTF-8
=C2=A0= value of $XMODIFIERS: @im=3Dibus
=C2=A0 locale-coding-system: utf-8-uni= x

Major mode: Fundamental

Minor modes in effect:
=C2=A0 to= oltip-mode: t
=C2=A0 global-eldoc-mode: t
=C2=A0 show-paren-mode: t=C2=A0 electric-indent-mode: t
=C2=A0 mouse-wheel-mode: t
=C2=A0 to= ol-bar-mode: t
=C2=A0 menu-bar-mode: t
=C2=A0 file-name-shadow-mode: = t
=C2=A0 global-font-lock-mode: t
=C2=A0 blink-cursor-mode: t
=C2= =A0 buffer-read-only: t
=C2=A0 line-number-mode: t
=C2=A0 indent-tabs= -mode: t
=C2=A0 transient-mark-mode: t
=C2=A0 auto-composition-mode: = t
=C2=A0 auto-encryption-mode: t
=C2=A0 auto-compression-mode: t
<= br>Load-path shadows:
None found.

Features:
(shadow sort mail-= extr emacsbug message mailcap yank-media puny dired
dired-loaddefs rfc82= 2 mml mml-sec password-cache epa derived epg rfc6068
epg-config gnus-uti= l text-property-search time-date subr-x mm-decode
mm-bodies mm-encode ma= il-parse rfc2231 mailabbrev gmm-utils mailheader
cl-loaddefs cl-lib send= mail rfc2047 rfc2045 ietf-drums mm-util
mail-prsvr mail-utils rmc iso-tr= ansl tooltip cconv eldoc paren electric
uniquify ediff-hook vc-hooks lis= p-float-type elisp-mode mwheel
term/x-win x-win term/common-win x-dnd to= ol-bar dnd fontset image
regexp-opt fringe tabulated-list replace newcom= ment text-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-es= hadow isearch easymenu
timer select scroll-bar mouse jit-lock font-lock = syntax font-core
term/tty-colors frame minibuffer nadvice seq simple cl-= generic
indonesian philippine cham georgian utf-8-lang misc-lang vietnam= ese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew gr= eek
romanian slovak czech european ethiopic indian cyrillic chinese
c= omposite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook= help abbrev obarray oclosure cl-preloaded button loaddefs
theme-loaddef= s faces cus-face macroexp files window text-properties
overlay sha1 md5 = base64 format env code-pages mule custom widget keymap
hashtable-print-r= eadable backquote threads dbusbind inotify
dynamic-setting system-font-s= etting font-render-setting cairo
move-toolbar gtk x-toolkit xinput2 x mu= lti-tty make-network-process
emacs)

Memory information:
((cons= es 16 36910 11079)
=C2=A0(symbols 48 5128 0)
=C2=A0(strings 32 13160 = 1100)
=C2=A0(string-bytes 1 372301)
=C2=A0(vectors 16 9331)
=C2=A0= (vector-slots 8 149255 18597)
=C2=A0(floats 8 33 21)
=C2=A0(intervals= 56 326 0)
=C2=A0(buffers 976 11))

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