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annotate runtime/ftplugin.vim @ 33862:242b964d6269 v9.0.2140

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patch 9.0.2140: [security]: use-after-free in win-enter Commit: https://github.com/vim/vim/commit/eec0c2b3a4cfab93dd8d4adaa60638d47a2bbc8a Author: Christian Brabandt <cb@256bit.org> Date: Tue Nov 28 22:03:48 2023 +0100 patch 9.0.2140: [security]: use-after-free in win-enter Problem: [security]: use-after-free in win-enter Solution: validate window pointer before calling win_enter() win_goto() may stop visual mode, if it is active. However, this may in turn trigger the ModeChanged autocommand, which could potentially free the wp pointer which was valid before now became stale and points to now freed memory. So before calling win_enter(), let's verify one more time, that the wp pointer still points to a valid window structure. Reported by @henices, thanks! Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Sun, 10 Dec 2023 15:16:01 +0100
parents 4027cefc2aab
children
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1 vim9script noclear
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2
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3 # Vim support file to switch on loading plugins for file types
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4 #
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5 # Maintainer: The Vim Project <https://github.com/vim/vim>
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6 # Last change: 2023 Aug 10
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7 # Former Maintainer: Bram Moolenaar <Bram@vim.org>
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8
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9 if exists("g:did_load_ftplugin")
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10 finish
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11 endif
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12 g:did_load_ftplugin = 1
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14 augroup filetypeplugin
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15 au FileType * call LoadFTPlugin()
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16 augroup END
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17
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18 if exists('*LoadFTPlugin')
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19 # No need to define the function again.
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20 finish
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21 endif
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22
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23 def LoadFTPlugin()
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24 if exists("b:undo_ftplugin")
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25 # We assume b:undo_ftplugin is using legacy script syntax
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26 legacy exe b:undo_ftplugin
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27 unlet! b:undo_ftplugin b:did_ftplugin
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28 endif
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30 var s = expand("<amatch>")
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31 if s != ""
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32 if &cpo =~# "S" && exists("b:did_ftplugin")
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33 # In compatible mode options are reset to the global values, need to
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34 # set the local values also when a plugin was already used.
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35 unlet b:did_ftplugin
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36 endif
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37
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38 # When there is a dot it is used to separate filetype names. Thus for
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39 # "aaa.bbb" load "aaa" and then "bbb".
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40 for name in split(s, '\.')
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41 exe 'runtime! ftplugin/' .. name .. '.vim ftplugin/' .. name .. '_*.vim ftplugin/' .. name .. '/*.vim'
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42 endfor
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43 endif
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44 enddef