v2 #5

Merged
wtfawk merged 2 commits from v2 into main 2024-04-17 12:17:45 +02:00
2 changed files with 20 additions and 13 deletions
Showing only changes of commit d66ca83f95 - Show all commits

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@ -1,7 +1,7 @@
# Crypter
Script to encrypt and decrypt files easily using openssl.
## Howto
./crypter.sh -[e/d] [inputfile] --no-verify
./crypter.sh -[e/d] inputfile [--no-verify]
### Options
-e for encrypt - Encrypts the filename and adds a hash file.
-d for decrypt - Decrypts the file and removes crypt files after hash check.

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@ -12,7 +12,7 @@ then
exit 2
fi
else
echo "Usage: ./crypter.sh -[e/d] [inputfile]";
echo "Usage: ./crypter.sh -[e/d] inputfile [--no-verify]";
exit 1
fi
@ -42,7 +42,7 @@ case "$1" in
else
# NOK - remove empty output file
echo "CRITICAL - Output file ${OUTPUT} is 0 bytes! Not removing the source file ${INPUT}"
rm -f ${OUTPUT} ${INPUT}.hash
rm -f ${OUTPUT} ${OUTPUT}.hash
exit 2
fi
;;
@ -54,20 +54,27 @@ case "$1" in
rm -f ${INPUT}.temp
if [ "`stat ${OUTPUT} | grep Size | awk '{ print $2}'`" != 0 ]
then
# SHA256SUM CHECK
CUR_HASH=$(sha256sum --quiet --check ${OUTPUT}.crypt.hash)
if [ $? != 0 ]
if [ "$3" != '--no-verify' ]
then
# NOK - Hash mismatch
echo "CRITICAL - Hashes mismatching!"
rm -f ${OUTPUT}
exit 2
# SHA256SUM CHECK
CUR_HASH=$(sha256sum --quiet --check ${OUTPUT}.crypt.hash)
if [ $? != 0 ]
then
# NOK - Hash mismatch
echo "CRITICAL - Hashes mismatching!"
rm -f ${OUTPUT}
exit 2
else
# OK - safe to delete the original input file
echo "OK - Hashes matching, deleting input file"
rm -f ${INPUT} ${INPUT}.hash
exit 0
fi
else
# OK - safe to delete the original input file
echo "OK - Hashes matching, deleting input file"
echo "Ignoring hash verify"
rm -f ${INPUT} ${INPUT}.hash
exit 0
fi
else
# NOK - remove empty output file
echo "CRITICAL - Output file is 0 bytes! Not removing the input file"