CIRCL
/
Circlean
mirror of https://github.com/CIRCL/Circlean
2
0
Fork 0
Code Issues Releases Wiki Activity

make the archive bomb handling code wotking properly

pull/10/head
Raphaël Vinot 2013-03-15 09:27:26 +01:00
parent 016c0a681b
commit 37a2856638
1 changed files with 23 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
filesystem/opt/groomer/functions.sh
View File

@ -1,13 +1,14 @@
#!/bin/bash
set -e
set -x
#set -x
source ./constraint.sh
source ./constraint_conv.sh
RECURSIVE_ARCHIVE_MAX=3
RECURSIVE_ARCHIVE_CURRENT=0
ARCHIVE_BOMB=0
copy(){
src_file=${1}
@ -44,13 +45,18 @@ video(){
archive(){
echo Archive file ${1}
src_file=${1}
dst_dir=${2}
temp_extract_dir=${dst_dir}_temp
mkdir -p ${temp_extract_dir}
${UNPACKER} x ${src_file} -o${temp_extract_dir} -bd
main ${dst_dir} ${RECURSIVE_ARCHIVE_CURRENT} ${temp_extract_dir}
rm -rf ${temp_extract_dir}
if [ ${ARCHIVE_BOMB} -eq 0 ]; then
temp_extract_dir=${2}_temp
mkdir -p ${temp_extract_dir}
${UNPACKER} x ${1} -o${temp_extract_dir} -bd
main ${2} ${RECURSIVE_ARCHIVE_CURRENT} ${temp_extract_dir} || true
rm -rf ${temp_extract_dir}
fi
if [ ${ARCHIVE_BOMB} -eq 1 ]; then
rm -rf ${2}
rm -rf ${2}_temp
fi
CURRENT_SRC=${SRC}
}
@ -82,7 +88,7 @@ application(){
echo "Win executable"
copy ${src_file} ${dst_file}_DANGEROUS
;;
x-gzip|x-7z-compressed)
x-gzip|x-tar|x-7z-compressed)
echo "Compressed file"
archive ${src_file} ${dst_file}
;;
@ -126,24 +132,17 @@ main(){
echo "Please specify the destination directory."
exit
fi
# first param is the destination dir
dest=${1}
if [ -z ${2} ]; then
CURRENT_SRC=${SRC}
else
CURRENT_SRC=${2}
fi
if [ -z ${2} ]; then
RECURSIVE_ARCHIVE_CURRENT=0
ARCHIVE_BOMB=0
else
RECURSIVE_ARCHIVE_CURRENT=${2}
CURRENT_SRC=${3}
if [ ${RECURSIVE_ARCHIVE_CURRENT} -gt ${RECURSIVE_ARCHIVE_MAX} ]; then
echo Archive bomb.
rm -rf ${CURRENT_SRC}
ARCHIVE_BOMB=1
return
else
RECURSIVE_ARCHIVE_CURRENT=`expr ${RECURSIVE_ARCHIVE_CURRENT} + 1`
@ -153,11 +152,14 @@ main(){
FILE_COMMAND='file -b --mime-type'
FILE_LIST=`find ${CURRENT_SRC} -type f`
for file in ${FILE_LIST}; do
# first param is the destination dir
dest=${1}
mime=`$FILE_COMMAND ${file}`
echo ${mime}
main=`echo ${mime} | cut -f1 -d/`
main_mime=`echo ${mime} | cut -f1 -d/`
details=`echo ${mime} | cut -f2 -d/`
case "${main}" in
case "${main_mime}" in
"text")
text ${file} ${dest}
;;
@ -187,7 +189,7 @@ main(){
;;
*)
echo "This should never happen... :]"
echo $mime $main $details
echo $mime $main_mime $details
;;
esac
done