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improved cron validation

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Serghey Rodin 2012-01-16 17:05:20 +02:00
commit 816cee7fad
1 changed files with 63 additions and 0 deletions
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63
func/shared.func
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@ -263,6 +263,64 @@ format_validation() {
fi
}
# Define minute/hour/day/month validator
format_mhd() {
val="$1"
digit=$val
limit=60
if [ "$var" = 'day' ]; then
limit=31
fi
if [ "$var" = 'month' ]; then
limit=12
fi
if [ "$var" = 'wday' ]; then
limit=7
fi
letters=$(echo "$val"|grep -c "[a-Z]")
lslash=$(echo "$val"| grep "^/")
if [ -z "$val" ] || [ 0 -ne "$letters" ] || [ -n "$lslash" ]; then
echo "Error: $var is out of range"
log_event 'debug' "$E_INVALID $V_EVENT"
exit $E_INVALID
fi
special_chars=$(echo "$val" | \
grep -c "[!|@|#|$|^|&|(|)|+|=|{|}|:|,|.|<|>|?|\|\"|'|;|%| ]" )
if [[ 0 -ne "$special_chars" ]] || [ 5 -le ${#val} ]; then
echo "Error: $var is out of range"
log_event 'debug' "$E_INVALID $V_EVENT"
exit $E_INVALID
fi
star=$(echo "$val" |grep '*')
if [ ! -z "$star" ]; then
slash=$(echo $val |grep "^*/")
if [ "$val" != '*' ] && [ -z "$slash" ]; then
echo "Error: $var is out of range"
log_event 'debug' "$E_INVALID $V_EVENT"
exit $E_INVALID
else
if [ -n "$slash" ]; then
digit=$(echo $val | cut -f 2 -d / )
fi
if [ "$val" = '*' ]; then
digit=0
fi
fi
fi
if [ "$limit" -lt "$digit" ]; then
echo "Error: $var is out of range"
log_event 'debug' "$E_INVALID $V_EVENT"
exit $E_INVALID
fi
}
# Defining format_ext function
format_ext() {
val="$1"
@ -313,6 +371,7 @@ format_validation() {
ssl) format_usr "$v" ;;
domain) format_dom "$v" ;;
database) format_db "$v" ;;
day) format_mhd "$v" ;;
db_user) format_dbu "$v" ;;
dvalue) format_dvl "$v" ;;
fname) format_usr "$v" ;;
@ -328,6 +387,7 @@ format_validation() {
ns8) format_dom "$v" ;;
email) format_eml "$v" ;;
extentions) format_ext "$v" ;;
hour) format_mhd "$v" ;;
host) format_usr "$v" ;;
interface) format_ifc "$v" ;;
ip) format_ip "$v" ;;
@ -337,6 +397,8 @@ format_validation() {
mask) format_ip "$v" ;;
max_usr) format_int "$v" ;;
max_db) format_int "$v" ;;
min) format_mhd "$v" ;;
month) format_mhd "$v" ;;
lname) format_usr "$v" ;;
owner) format_usr "$v" ;;
package) format_usr "$v" ;;
@ -349,6 +411,7 @@ format_validation() {
template) format_usr "$v" ;;
ttl) format_int "$v" ;;
user) format_usr "$v" ;;
wday) format_mhd "$v" ;;
esac
done
}