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Index: usr.sbin/periodic/periodic.sh
===================================================================
--- usr.sbin/periodic/periodic.sh
+++ usr.sbin/periodic/periodic.sh
@@ -17,11 +17,11 @@
output_pipe()
{
# Where's our output going ?
- eval output=\$${1##*/}_output
+ eval output=\$$(basename $1)_output
case "$output" in
/*) pipe="cat >>$output";;
"") pipe=cat;;
- *) pipe="mail -E -s '$host ${2}${2:+ }${1##*/} run output' $output";;
+ *) pipe="mail -E -s '$host ${2}${2:+ }$(basename $1) run output' $output";;
esac
eval $pipe
}
@@ -48,7 +48,7 @@
if [ $1 != "LOCKED" ]; then
ret=0
for arg; do
- lockfile=/var/run/periodic.${arg##*/}.lock
+ lockfile=/var/run/periodic.$(basename $arg).lock
lockf -t 0 "${lockfile}" /bin/sh $0 LOCKED "$arg"
case $? in
0) ;;
@@ -58,7 +58,7 @@
ret=1
;;
75) #EX_TEMPFAIL
- echo "$host ${arg##*/} prior run still in progress" | \
+ echo "$host $(basename $arg) prior run still in progress" | \
output_pipe $arg "$PERIODIC"
ret=1
;;
@@ -76,6 +76,15 @@
shift
arg=$1
+# Test to make sure that the base directory has a valid name. Since
+# the configuration file uses this name in sh(1) variables, it must
+# only contain alphanumerics and underscore, and can't start with a
+# number.
+if echo $(basename $arg) | grep -Eqv ^[a-zA-Z_][a-zA-Z0-9_]*$; then
+ echo "$0: $(basename $arg) is not a valid directory name - must be a valid sh(1) variable name" >&2
+ exit 1
+fi
+
if [ -z "$PERIODIC_ANTICONGESTION_FILE" ] ; then
export PERIODIC_ANTICONGESTION_FILE=`mktemp ${TMPDIR:-/tmp}/periodic.anticongestion.XXXXXXXXXX`
remove_periodic_anticongestion_file=yes
@@ -97,7 +106,7 @@
success=YES info=YES badconfig=NO empty_output=YES # Defaults when ${run}_* aren't YES/NO
for var in success info badconfig empty_output; do
- case $(eval echo "\$${arg##*/}_show_$var") in
+ case $(eval echo "\$$(basename $arg)_show_$var") in
[Yy][Ee][Ss]) eval $var=YES;;
[Nn][Oo]) eval $var=NO;;
esac
@@ -115,6 +124,10 @@
for top in /etc/periodic ${local_periodic}; do
[ -d $top/$arg ] && dirlist="$dirlist $top/$arg"
done
+ if [ -z "$dirlist" ]; then
+ echo "$0: $arg not found" >&2
+ exit 1
+ fi
;;
esac

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