Author: dteske
Date: Tue Sep 1 21:40:04 2015
New Revision: 287381
URL: https://svnweb.freebsd.org/changeset/base/287381
Log:
Properly escape arguments when moving into jail or chroot
MFC after: 3 days
X-MFC-to: stable/10
Modified:
head/usr.sbin/sysrc/sysrc
Modified: head/usr.sbin/sysrc/sysrc
==============================================================================
--- head/usr.sbin/sysrc/sysrc Tue Sep 1 21:20:43 2015 (r287380)
+++ head/usr.sbin/sysrc/sysrc Tue Sep 1 21:40:04 2015 (r287381)
@@ -195,6 +195,24 @@ jail_depend()
cat $BSDCFG_SHARE/sysrc.subr
}
+escape()
+{
+ local __start="$1" __var_to_set="$2" __string=
+ while [ "$__start" ]; do
+ case "$__start" in *\'*)
+ __string="$__string${__start%%\'*}'\\''"
+ __start="${__start#*\'}" continue
+ esac
+ break
+ done
+ __string="$__string$__start"
+ if [ "$__var_to_set" ]; then
+ setvar "$__var_to_set" "$__string"
+ else
+ echo "$__string"
+ fi
+}
+
############################################################ MAIN SOURCE
#
@@ -330,9 +348,12 @@ if [ "$JAIL" -o "$ROOTDIR" ]; then
$( [ "$SHOW_FILE" ] && echo \ -F )
"
if [ "${RC_CONFS+set}" ]; then
- args="$args -f '$RC_CONFS'"
+ escape "$RC_CONFS" _RC_CONFS
+ args="$args -f '$_RC_CONFS'"
+ unset _RC_CONFS
fi
for arg in "$@"; do
+ escape "$arg" arg
args="$args '$arg'"
done
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