diff --git a/bin/v-whitelist-email-domain b/bin/v-whitelist-email-domain new file mode 100644 index 00000000..9d877ad4 --- /dev/null +++ b/bin/v-whitelist-email-domain @@ -0,0 +1,119 @@ +#!/bin/bash +# info: Add a domain to SpamAssassin whitelist +# usage: v-whitelist-email-domain DOMAIN SUBDOMAIN(YES/NO) + +#----------------------------------------------------------# +# Variable&Function # +#----------------------------------------------------------# + +whoami=$(whoami) +if [ "$whoami" != "root" ]; then + echo "You must be root to execute this script" + exit 1 +fi + +# Importing system environment +source /etc/profile + +# Determine Debian version and set SpamAssassin service name +release=$(cat /etc/debian_version | tr "." "\n" | head -n1) +if [ "$release" -lt 12 ]; then + SPAMD_SERVICE="spamassassin.service" +else + SPAMD_SERVICE="spamd.service" +fi + +SPAMASSASSIN_FILE="/etc/spamassassin/local.cf" + +# Flags to track changes +SPAMASSASSIN_CHANGED=false + +# Function to check if a SpamAssassin whitelist entry already exists +check_whitelist_exists() { + local entry=$1 + local file=$2 + grep -qF "whitelist_from $entry" "$file" +} + +# Function to check if a domain/email is already blacklisted +check_blacklist_exists() { + local domain=$1 + local file=$2 + grep -qE "blacklist_from.*${domain}$" "$file" +} + +# Function to add whitelist entry to file +add_whitelist_to_file() { + local entry=$1 + local file=$2 + echo "whitelist_from $entry" >> "$file" +} + +# Display usage if no arguments are provided +if [ $# -lt 2 ]; then + echo "Usage: v-whitelist-email-domain DOMAIN SUBDOMAIN(YES/NO)" + exit 1 +fi + +#----------------------------------------------------------# +# Action # +#----------------------------------------------------------# + +DOMAIN=$1 +SUBDOMAIN=${2^^} # Convert to uppercase for consistency (YES/NO) + +# Validate SUBDOMAIN parameter +if [[ "$SUBDOMAIN" != "YES" && "$SUBDOMAIN" != "NO" ]]; then + echo "Invalid parameter for SUBDOMAIN. Use YES or NO." + exit 1 +fi + +# Prepare entries for SpamAssassin +WHITELIST_ENTRY_MAIN="*@${DOMAIN}" +WHITELIST_ENTRY_SUB="*.$DOMAIN" +BLACKLIST_ENTRY_MAIN="*@${DOMAIN}" +BLACKLIST_ENTRY_SUB="*.$DOMAIN" + +#----------------------------------------------------------# +# SpamAssassin Whitelist # +#----------------------------------------------------------# + +echo "Updating $SPAMASSASSIN_FILE..." + +# Check if the domain is already blacklisted +if check_blacklist_exists "$DOMAIN" "$SPAMASSASSIN_FILE"; then + echo "Cannot whitelist $DOMAIN. It is already blacklisted." + exit 1 +fi + +# Add the main entry +if ! check_whitelist_exists "$WHITELIST_ENTRY_MAIN" "$SPAMASSASSIN_FILE"; then + add_whitelist_to_file "$WHITELIST_ENTRY_MAIN" "$SPAMASSASSIN_FILE" + echo "Added whitelist_from $WHITELIST_ENTRY_MAIN to $SPAMASSASSIN_FILE." + SPAMASSASSIN_CHANGED=true +else + echo "whitelist_from $WHITELIST_ENTRY_MAIN already exists in $SPAMASSASSIN_FILE." +fi + +# Add the subdomain entry if needed +if [ "$SUBDOMAIN" == "YES" ]; then + if ! check_whitelist_exists "$WHITELIST_ENTRY_SUB" "$SPAMASSASSIN_FILE"; then + add_whitelist_to_file "$WHITELIST_ENTRY_SUB" "$SPAMASSASSIN_FILE" + echo "Added whitelist_from $WHITELIST_ENTRY_SUB to $SPAMASSASSIN_FILE." + SPAMASSASSIN_CHANGED=true + else + echo "whitelist_from $WHITELIST_ENTRY_SUB already exists in $SPAMASSASSIN_FILE." + fi +fi + +# Restart SpamAssassin only if changes were made +if [ "$SPAMASSASSIN_CHANGED" == "true" ]; then + systemctl restart "$SPAMD_SERVICE" + echo "SpamAssassin service ($SPAMD_SERVICE) restarted." +fi + +#----------------------------------------------------------# +# Done # +#----------------------------------------------------------# + +exit 0