vim/vim-gnupg
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Make sure that sensitive data is never written unencrypted.

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It is better to write an empty buffer to the file instead.
This commit is contained in:
Markus Braun 2008-08-15 12:50:33 +00:00
parent 6a0bdcf05c
commit aecfdde11d
1 changed files with 8 additions and 6 deletions
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14
plugin/gnupg.vim
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@ -132,7 +132,7 @@ highlight default link GPGHighlightUnknownRecipient ErrorMsg
function s:GPGInit() function s:GPGInit()
" first make sure nothing is written to ~/.viminfo while editing " first make sure nothing is written to ~/.viminfo while editing
" an encrypted file. " an encrypted file.
set viminfo = set viminfo=
" we don't want a swap file, as it writes unencrypted data to disk " we don't want a swap file, as it writes unencrypted data to disk
set noswapfile set noswapfile
@ -436,11 +436,13 @@ function s:GPGEncrypt()
let &shell = s:shellsave let &shell = s:shellsave
call s:GPGDebug(1, "called gpg command is: " . "'[,']!" . s:GPGCommand . " --quiet --no-encrypt-to " . options . " " . s:stderrredirnull) call s:GPGDebug(1, "called gpg command is: " . "'[,']!" . s:GPGCommand . " --quiet --no-encrypt-to " . options . " " . s:stderrredirnull)
if (v:shell_error) " message could not be encrypted if (v:shell_error) " message could not be encrypted
silent u " delete content of the buffer to be sure no data is written unencrypted
" content will be recovered in GPGEncryptPost()
silent normal! 1GdG
echohl GPGError echohl GPGError
let blackhole = input("Message could not be encrypted! File might be empty! (Press ENTER)") let blackhole = input("Message could not be encrypted! File might be empty! (Press ENTER)")
echohl None echohl None
bwipeout
return return
endif endif
@ -558,8 +560,8 @@ function s:GPGEditRecipients()
endif endif
" Mark the buffer as a scratch buffer " Mark the buffer as a scratch buffer
setlocal buftype = acwrite setlocal buftype=acwrite
setlocal bufhidden = hide setlocal bufhidden=hide
setlocal noswapfile setlocal noswapfile
setlocal nowrap setlocal nowrap
setlocal nobuflisted setlocal nobuflisted
@ -758,7 +760,7 @@ function s:GPGEditOptions()
endif endif
" Mark the buffer as a scratch buffer " Mark the buffer as a scratch buffer
setlocal buftype = nofile setlocal buftype=nofile
setlocal noswapfile setlocal noswapfile
setlocal nowrap setlocal nowrap
setlocal nobuflisted setlocal nobuflisted