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[fix] Apply regex filter to hostname input

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This commit is contained in:
William Wernert
2020-06-29 15:53:21 -04:00
parent 53c3b1579b
commit 0a97328acc
1 changed files with 11 additions and 4 deletions
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15
setup/so-whiptail
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@@ -961,16 +961,23 @@ whiptail_set_hostname() {
HOSTNAME=$(cat /etc/hostname)
if [[ "$HOSTNAME" == *'localhost'* ]]; then HOSTNAME=securityonion; fi
HOSTNAME=$(whiptail --title "Security Onion Setup" --inputbox \
"Enter the Hostname you would like to set." 10 75 "$HOSTNAME" 3>&1 1>&2 2>&3)
"Enter the hostname (not FQDN) you would like to set." 10 75 "$HOSTNAME" 3>&1 1>&2 2>&3)
local exitstatus=$?
whiptail_check_exitstatus $exitstatus
while [[ "$HOSTNAME" == *'localhost'* ]] ; do
whiptail --title "Security Onion Setup" --msgbox "Please choose a hostname that doesn't contain localhost." 8 75
while [[ $HOSTNAME == *'localhost'* || ! ( $HOSTNAME =~ ^[a-zA-Z0-9\-]*$ ) ]] ; do
local error_message
error_message=$(echo "Please choose a valid hostname. It cannot contain localhost; and must contain only \
the ASCII letters 'a' through 'z' (case-insensitive), the digits '0' through '9', \
and hyphen ('-')" | tr -d '\t')
whiptail --title "Security Onion Setup" \
--msgbox "$error_message" 10 75
HOSTNAME=$(whiptail --title "Security Onion Setup" --inputbox \
"Enter the Hostname you would like to set." 10 75 "$HOSTNAME" 3>&1 1>&2 2>&3)
"Enter the hostname (not FQDN) you would like to set." 10 75 "$HOSTNAME" 3>&1 1>&2 2>&3)
local exitstatus=$?
whiptail_check_exitstatus $exitstatus
done