Not already done. DNSMASQ Support

2025-08-27 19:13:04 +02:00
parent febd3b76d3
commit 38e1a94306
5 changed files with 170 additions and 0 deletions
--- a/vm_example_scripts/dnsmasq_freebsd.sh
+++ b/vm_example_scripts/dnsmasq_freebsd.sh
@ -0,0 +1,150 @@
+#!/bin/sh -
+
+#VARIABLES
+
+# === Security and initialization ===
+IFS=' '   # Reset IFS to prevent parsing attacks
+# === Default values ===
+ENABLE_DNS="yes"
+ENABLE_DHCP="no"
+ENABLE_PXE="no"
+DNSMASQ_DCONF_DIR="/usr/local/etc/dnsmasq.conf.d"
+DNSMASQ_CONFIG_FILE="/usr/local/etc/dnsmasq.conf"
+LOCAL_NETWORK="192.168.1"
+LOCAL_NETWORK_GATEWAY="${LOCAL_NETWORK}.1"
+LOCAL_NETWORK_RANGE="${LOCAL_NETWORK}.0/24"
+LOCAL_NETWORK_DHCP_FIRST_IP="50"
+LOCAL_NETWORK_DHCP_LAST_IP="254"
+LOCAL_NETWORK_NETMASK="255.255.255.0"
+LOCAL_NETWORK_DHCP_LEASE="12h"
+LOCAL_DOMAIN="pozal.lan"
+
+#FUNCTIONS
+# === Function: print header ===
+print_header() 
+{
+    printf '%s\n' "================================"
+    printf '%s\n' "  Dnsmasq Service Enabler"
+    printf '%s\n' "================================"
+}
+
+# === Function: ask yes/no ===
+ask_yes_no() 
+{
+    # Usage: ask_yes_no "Question?" default(y/n)
+    prompt="$1"
+    default="$2"
+
+    while true; do
+        printf '%s ' "${prompt} (y/n) [${default}]: "
+        read -r response
+        case "${response:-${default}}" in
+            [Yy]|[Yy][Ss])
+                echo "yes"
+                return 0
+                ;;
+            [Nn]|[Nn][Oo])
+                echo "no"
+                return 0
+                ;;
+            *)
+                printf '%s\n' "Please answer yes or no."
+                ;;
+        esac
+    done
+}
+
+change_config()
+{
+    REPLACEMENTS_FILE=$1
+    if [ ! -f "${DNSMASQ_CONFIG_FILE}" ]; then
+        echo "Error: Config file '${DNSMASQ_CONFIG_FILE}' not found." >&2
+        exit 1
+    fi
+
+    if [ ! -r "${REPLACEMENTS_FILE}" ]; then
+        echo "Error: Replacements file '${REPLACEMENTS_FILE}' not found or not readable." >&2
+        exit 1
+    fi
+
+    cp "${DNSMASQ_CONFIG_FILE}" "${DNSMASQ_CONFIG_FILE}.bak" || {
+        echo "Error: Failed to create backup." >&2
+        exit 1
+    }
+
+    while IFS='@@@' read -r old new || [ -n "${old}" ]; do
+        # Saltar líneas vacías o comentarios
+        case "${old}" in
+            ""|\#*) continue ;;
+        esac
+
+        # Aplicar sustitución con sed (usando | como delimitador)
+        if ! sed -i '' "s|${old}|${new}|g" "${DNSMASQ_CONFIG_FILE}"; then
+            echo "Error: Failed to replace '${old}' with '${new}'." >&2
+            exit 1
+        fi
+
+        echo "Replaced: '${old}' -> '${new}'"
+    done < "${REPLACEMENTS_FILE}"
+
+    echo "All replacements applied successfully."
+}
+
+change_dnsmasq_config()
+{  
+    if [ "${ENABLE_DNS}" = "yes" ]; then
+        enable_dns
+    fi
+
+    if [ "${ENABLE_DHCP}" = "yes" ]; then
+        enable_dhcp
+    fi
+
+    if [ "${ENABLE_PXE}" = "yes" ]; then
+        enable_pxe
+    fi
+}
+
+
+enable_dns()
+{
+    change_config vm_template_files/dnsmasq_conf_dns
+    echo "dhcp-option=6,\"${JAIL_IP_ADDRESS},1.1.1.1\"" >> "${DNSMASQ_CONFIG_FILE}"
+    DNSMASQ_LISTS="vm_template_files/dnsmasq_lists.txt"
+    while IFS='@@@' read -r url file|| [ -n "${url}" ]; do
+        # Saltar líneas vacías o comentarios
+        case "${url}" in
+            ""|\#*) continue ;;
+        esac
+        curl -L -o "${file}" \
+        "${{url}}" 
+        
+    done < "${DNSMASQ_LISTS}"
+
+}
+
+enable_dhcp()
+{
+    change_config vm_template_files/dnsmasq_conf_dhcp
+}
+
+enable_pxe()
+{
+    #change_config vm_template_files/dnsmasq_conf_pxe
+    echo "dhcp-option=66,\"0.0.0.0\"" >> "${DNSMASQ_CONFIG_FILE}"
+}
+
+
+
+#MAIN
+#Install package
+pkg install dnsmasq
+#Apply config
+# === Main ===
+print_header
+# Ask for each service
+ENABLE_DHCP="$(ask_yes_no "Enable DHCP server" "n")"
+ENABLE_PXE="$(ask_yes_no "Enable PXE boot server" "n")"
+change_dnsmasq_config
+sysrc dnsmasq_enable="YES"
+sysrc dnsmasq_conf="/usr/local/etc/dnsmasq.conf"