patch 9.0.1833: [security] runtime file fixes Commit: https://github.com/vim/vim/commit/816fbcc262687b81fc46f82f7bbeb1453addfe0c Author: Christian Brabandt <cb@256bit.org> Date: Thu Aug 31 23:52:30 2023 +0200 patch 9.0.1833: [security] runtime file fixes Problem: runtime files may execute code in current dir Solution: only execute, if not run from current directory The perl, zig and ruby filetype plugins and the zip and gzip autoload plugins may try to load malicious executable files from the current working directory. This is especially a problem on windows, where the current directory is implicitly in your $PATH and windows may even run a file with the extension `.bat` because of $PATHEXT. So make sure that we are not trying to execute a file from the current directory. If this would be the case, error out (for the zip and gzip) plugins or silently do not run those commands (for the ftplugins). This assumes, that only the current working directory is bad. For all other directories, it is assumed that those directories were intentionally set to the $PATH by the user. Signed-off-by: Christian Brabandt <cb@256bit.org>

" Vim syntax file
" Language:     LyRiCs
" Maintainer:   ObserverOfTime <chronobserver@disroot.org>
" Filenames:    *.lrc
" Last Change:  2022 Sep 18

if exists('b:current_syntax')
    finish
endif

let s:cpo_save = &cpoptions
set cpoptions&vim

syn case ignore

" Errors
syn match lrcError /^.\+$/

" ID tags
syn match lrcTag /^\s*\[\a\+:.\+\]\s*$/ contains=lrcTagName,lrcTagValue
syn match lrcTagName contained nextgroup=lrcTagValue
            \ /\[\zs\(al\|ar\|au\|by\|encoding\|la\|id\|length\|offset\|re\|ti\|ve\)\ze:/
syn match lrcTagValue /:\zs.\+\ze\]/ contained

" Lyrics
syn match lrcLyricTime /^\s*\[\d\d:\d\d\.\d\d\]/
            \ contains=lrcNumber nextgroup=lrcLyricLine
syn match lrcLyricLine /.*$/ contained contains=lrcWordTime,@Spell
syn match lrcWordTime /<\d\d:\d\d\.\d\d>/ contained contains=lrcNumber,@NoSpell
syn match lrcNumber /[+-]\=\d\+/ contained

hi def link lrcLyricTime Label
hi def link lrcNumber Number
hi def link lrcTag PreProc
hi def link lrcTagName Identifier
hi def link lrcTagValue String
hi def link lrcWordTime Special
hi def link lrcError Error

let b:current_syntax = 'lyrics'

let &cpoptions = s:cpo_save
unlet s:cpo_save