pfsense backup script - Change constants at the top

pfsense_backup.sh

#!/bin/bash
set -eo pipefail

PFSENSE_HOSTNAME=pfsense
DIR=/var/run/user/$(/usr/bin/id -u)/pfsense_backup
FILENAME=/root/backup/pfsense/config-pfsense-$(/bin/date +%Y%m%d_%H%M%S).xml
URL=https://pfsense.eyyit.com/diag_backup.php
CREDS=/root/creds/pfsense
LOGIN=$(/usr/bin/awk -F= '/login/ {print $NF}' $CREDS)
PASSWORD=$(/usr/bin/awk -F= '/password/ {print $NF}' $CREDS)

/usr/bin/fping -q $PFSENSE_HOSTNAME \
  | exit

test -d "$(dirname "$DIR")" \
  || /bin/loginctl enable-linger "$(/usr/bin/id -un)"
test -d "$DIR" && /bin/rm -rf "$DIR"
/bin/mkdir "$DIR"

/usr/bin/wget -4qSO- \
  --keep-session-cookies \
  --save-cookies "${DIR}/cookies.txt" \
  $URL \
  2> "${DIR}/url_1_status" \
  | tee "${DIR}/url_1_content" \
  | grep "name='__csrf_magic'" \
  | sed 's/.*value="\(.*\)".*/\1/' \
  > "${DIR}/pfsense_csrf.txt"

/usr/bin/wget -4qSO- \
  --keep-session-cookies \
  --load-cookies "${DIR}/cookies.txt" \
  --save-cookies "${DIR}/cookies.txt" \
  --post-data \
    "login=Login&usernamefld=${LOGIN}&passwordfld=${PASSWORD}&__csrf_magic=$(cat "${DIR}/pfsense_csrf.txt")" \
  $URL \
  2> "${DIR}/url_2_status" \
  | tee "${DIR}/url_2_content" \
  | grep "name='__csrf_magic'" \
  | sed 's/.*value="\(.*\)".*/\1/' \
  > "${DIR}/pfsense_csrf2.txt"

/usr/bin/wget -4qSO "$FILENAME" \
  --keep-session-cookies \
  --load-cookies "${DIR}/cookies.txt" \
  --post-data \
    "download=download&donotbackuprrd=yes&__csrf_magic=$(head -n 1 "${DIR}/pfsense_csrf2.txt")" \
    $URL \
  > "${DIR}/url_3_content" \
  2> "${DIR}/url_3_status"

/usr/bin/wget -4qSO /dev/null \
  --keep-session-cookies \
  --load-cookies "${DIR}/cookies.txt" \
  --post-data \
    "download=download&donotbackuprrd=yes&__csrf_magic=$(head -n 1 "${DIR}/pfsense_csrf2.txt")" \
    'https://pfsense.eyyit.com/index.php?logout' \
  > "${DIR}/url_4_content" \
  2> "${DIR}/url_4_status"

/bin/grep -qi 'st0' "$FILENAME" || echo "Backup failed."

/bin/rm -rf "$DIR"