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refactoring

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This commit is contained in:
Patrick Schleizer 2019-12-20 02:14:45 -05:00
parent 2ed6452590
commit 39a41cc27b
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GPG Key ID: CB8D50BB77BB3C48
1 changed files with 12 additions and 12 deletions
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24
usr/lib/security-misc/permission-hardening
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@ -17,7 +17,7 @@ echo_wrapper() {
add_statoverride_entry() {
if [ "${nosuid}" = "true" ]; then
echo "file: $file"
echo "fso: $fso"
while read -r line; do
if ! read -r file_name existing_mode owner group; then
continue
@ -35,9 +35,9 @@ add_statoverride_entry() {
echo_wrapper dpkg-statoverride --add --update "${owner}" "${group}" "${existing_mode:1}" "${file_name}"
fi
fi
done < <( stat -c "%n %a %U %G" "${file%/}/"** )
done < <( stat -c "%n %a %U %G" "${fso%/}/"** )
else
echo_wrapper dpkg-statoverride --add --update "${owner}" "${group}" "${mode}" "${file%/}"
echo_wrapper dpkg-statoverride --add --update "${owner}" "${group}" "${mode}" "${fso%/}"
fi
}
@ -59,14 +59,14 @@ set_file_perms() {
continue
fi
if ! read -r file mode owner group capability <<< "${line}" ; then
if ! read -r fso mode owner group capability <<< "${line}" ; then
exit_code=201
echo "ERROR: cannot parse line: ${line}" >&2
continue
fi
if ! [ -e "${file}" ]; then
echo "INFO: File '${file}' does not exist!"
if ! [ -e "${fso}" ]; then
echo "INFO: fso '${fso}' does not exist!"
continue
fi
@ -89,11 +89,11 @@ set_file_perms() {
fi
## The permissions should not be reset during upgrades.
if dpkg-statoverride --list | grep -q "${file%/}"; then
## If there is an entry for the file, but the owner/group/mode do not
if dpkg-statoverride --list | grep -q "${fso%/}"; then
## If there is an entry for the fso, but the owner/group/mode do not
## match, we remove and re-add the entry to update it.
if ! dpkg-statoverride --list | grep -q "${owner} ${group} ${mode:1} ${file%/}"; then
echo_wrapper dpkg-statoverride --remove "${file}"
if ! dpkg-statoverride --list | grep -q "${owner} ${group} ${mode:1} ${fso%/}"; then
echo_wrapper dpkg-statoverride --remove "${fso}"
add_statoverride_entry
fi
else
@ -102,14 +102,14 @@ set_file_perms() {
if ! [ "${capability}" = "" ]; then
if [ "${capability}" = "none" ]; then
echo_wrapper setcap -r "${file}"
echo_wrapper setcap -r "${fso}"
else
if ! capsh --print | grep "Bounding set" | grep -q "${capability}"; then
echo "ERROR: Capability '${capability}' does not exist!" >&2
continue
fi
echo_wrapper setcap "${capability}+ep" "${file}"
echo_wrapper setcap "${capability}+ep" "${fso}"
fi
fi
done < "${config_file}"