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kind of more secureish vimcrypted

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This commit is contained in:
Ville Rantanen
2017-04-20 09:44:06 +03:00
parent 2f5ff480f2
commit 4ea82390d1
1 changed files with 35 additions and 28 deletions
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45
vim/vimcrypted
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@@ -7,12 +7,20 @@
function helpexit() { function helpexit() {
echo "Edit a GPG encrypted file with vim. echo "Edit a GPG encrypted file with vim.
Unsecure implementation, since the file is saved ####################################################
IN PLAIN TEXT when editing, # UNSECURE IMPLEMENTATION, since the file is saved #
this script only takes care of storing the file # IN PLAIN TEXT when editing, #
encrypted # this script only takes care of storing the file #
# encrypted. #
####################################################
Modified file is always backed up as .old
Usage: $( basename $0 ) textfile.gpg
Vim additions: H to unhide all lines
h to hide lines except cursor
Changed file is always backed up as .old
" "
exit exit
} }
@@ -20,39 +28,38 @@ Changed file is always backed up as .old
[[ "$1" = "-h" ]] && helpexit [[ "$1" = "-h" ]] && helpexit
RM=rm RM=rm
which shred &> /dev/null && RM="shred -u" which shred &> /dev/null && RM="shred -u"
set -x
if [[ ! "$1" == *\.gpg ]] if [[ ! "$1" == *\.gpg ]]; then
then
echo "source is not .gpg" echo "source is not .gpg"
exit 1 exit 1
fi fi
unc="${1%.gpg}" unc="${1%.gpg}"
if [ -e "$unc" ] if [ -e "$unc" ]; then
then echo "$unc already exists. exiting" echo "$unc already exists. exiting"
exit 1 exit 1
fi fi
if [ ! -e "$1" ] if [ ! -e "$1" ]; then
then echo "File $1 does not exist. Creating empty file" echo "File $1 does not exist. Creating empty file"
echo " " > "$unc" echo " " > "$unc"
else else
gpg --decrypt "$1" > "$unc" gpg --decrypt "$1" > "$unc"
fi fi
LIB=$( dirname $( readlink -f $0 ) )/crypted.vim LIB=$( dirname $( readlink -f $0 ) )/crypted.vim
edit=`date +%s -r $unc` edit=`date +%s -r $unc`
if [ -s "$unc" ] if [ -s "$unc" ]; then
then vim -i NONE -S "$LIB" -n "$unc" vim -i NONE -S "$LIB" -n -c "call Hide()" "$unc"
else echo Error in decrypting else
echo Error in decrypting
$RM "$unc" $RM "$unc"
exit 1 exit 1
fi fi
afteredit=`date +%s -r "$unc"` afteredit=`date +%s -r "$unc"`
if (( $edit != $afteredit )) if (( $edit != $afteredit )); then
then
cat "$unc" | gpg -ca > "$1".tmp cat "$unc" | gpg -ca > "$1".tmp
if [ -s "$1".tmp ] if [ -s "$1".tmp ]; then
then [[ -e "$1" ]] && mv -f "$1" "$1".old [[ -e "$1" ]] && mv -f "$1" "$1".old
mv -f "$1".tmp "$1" mv -f "$1".tmp "$1"
fi fi
fi fi