Mercurial > vim
view src/testdir/test_charsearch.vim @ 33664:06b59278bfcf v9.0.2070
patch 9.0.2070: [security] disallow setting env in restricted mode
Commit: https://github.com/vim/vim/commit/6b89dd6a7257a1e2e9c7ea070b407bc4674a5118
Author: Christian Brabandt <cb@256bit.org>
Date: Thu Oct 26 22:14:17 2023 +0200
patch 9.0.2070: [security] disallow setting env in restricted mode
Problem: [security] disallow setting env in restricted mode
Solution: Setting environment variables in restricted mode could
potentially be used to execute shell commands. Disallow this.
restricted mode: disable allow setting of environment variables
Setting environment variables in restricted mode, may have some unwanted
consequences. So, for example by setting $GCONV_PATH in restricted mode
and then calling the iconv() function, one may be able to execute some
unwanted payload, because the `iconv_open()` function internally uses
the `$GCONV_PATH` variable to find its conversion data.
So let's disable setting environment variables, even so this is no
complete protection, since we are not clearing the existing environment.
I tried a few ways but wasn't successful :(
One could also argue to disable the iconv() function completely in
restricted mode, but who knows what other API functions can be
influenced by setting some other unrelated environment variables.
So let's leave it as it is currently.
closes: #13394
See: https://huntr.com/bounties/b0a2eda1-459c-4e36-98e6-0cc7d7faccfe/
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Thu, 26 Oct 2023 22:30:03 +0200 |
parents | 695b50472e85 |
children |
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line source
" Test for character search commands - t, T, f, F, ; and , func Test_charsearch() enew! call append(0, ['Xabcdefghijkemnopqretuvwxyz', \ 'Yabcdefghijkemnopqretuvwxyz', \ 'Zabcdefghijkemnokqretkvwxyz']) " check that "fe" and ";" work 1 normal! ylfep;;p,,p call assert_equal('XabcdeXfghijkeXmnopqreXtuvwxyz', getline(1)) " check that save/restore works 2 normal! ylfep let csave = getcharsearch() normal! fip call setcharsearch(csave) normal! ;p;p call assert_equal('YabcdeYfghiYjkeYmnopqreYtuvwxyz', getline(2)) " check that setcharsearch() changes the settings. 3 normal! ylfep eval {'char': 'k'}->setcharsearch() normal! ;p call setcharsearch({'forward': 0}) normal! $;p call setcharsearch({'until': 1}) set cpo-=; normal! ;;p call assert_equal('ZabcdeZfghijkZZemnokqretkZvwxyz', getline(3)) " check that repeating a search before and after a line fails normal 3Gfv call assert_beeps('normal ;') call assert_beeps('normal ,') " clear the character search call setcharsearch({'char' : ''}) call assert_equal('', getcharsearch().char) call assert_beeps('normal ;') call assert_beeps('normal ,') call assert_fails("call setcharsearch([])", 'E1206:') enew! endfunc " Test for character search in virtual edit mode with <Tab> func Test_csearch_virtualedit() new set virtualedit=all call setline(1, "a\tb") normal! tb call assert_equal([0, 1, 2, 6], getpos('.')) set virtualedit& bw! endfunc " Test for character search failure in latin1 encoding func Test_charsearch_latin1() new let save_enc = &encoding set encoding=latin1 call setline(1, 'abcdefghijk') call assert_beeps('normal fz') call assert_beeps('normal tx') call assert_beeps('normal $Fz') call assert_beeps('normal $Tx') let &encoding = save_enc bw! endfunc " Test for using character search to find a multibyte character with composing " characters. func Test_charsearch_composing_char() new call setline(1, "one two thq\u0328\u0301r\u0328\u0301ree") call feedkeys("fr\u0328\u0301", 'xt') call assert_equal([0, 1, 16, 0, 12], getcurpos()) " use character search with a multi-byte character followed by a " non-composing character call setline(1, "abc deȉf ghi") call feedkeys("ggcf\u0209\u0210", 'xt') call assert_equal("\u0210f ghi", getline(1)) bw! endfunc " Test for character search with 'hkmap' func Test_charsearch_hkmap() new set hkmap call setline(1, "ùðáâ÷ëòéïçìêöî") call feedkeys("fë", 'xt') call assert_equal([0, 1, 11, 0, 6], getcurpos()) set hkmap& bw! endfunc " vim: shiftwidth=2 sts=2 expandtab