Ajustes gerais

agent/build/dnsblock-agent/Analysis-00.toc

@@ -115,8 +115,6 @@
   ('calendar', '/usr/lib/python3.11/calendar.py', 'PYMODULE'),
   ('urllib.parse', '/usr/lib/python3.11/urllib/parse.py', 'PYMODULE'),
   ('ipaddress', '/usr/lib/python3.11/ipaddress.py', 'PYMODULE'),
-  ('socket', '/usr/lib/python3.11/socket.py', 'PYMODULE'),
-  ('selectors', '/usr/lib/python3.11/selectors.py', 'PYMODULE'),
   ('quopri', '/usr/lib/python3.11/quopri.py', 'PYMODULE'),
   ('email', '/usr/lib/python3.11/email/__init__.py', 'PYMODULE'),
   ('email.parser', '/usr/lib/python3.11/email/parser.py', 'PYMODULE'),
@@ -149,12 +147,12 @@
   ('opcode', '/usr/lib/python3.11/opcode.py', 'PYMODULE'),
   ('ast', '/usr/lib/python3.11/ast.py', 'PYMODULE'),
   ('stringprep', '/usr/lib/python3.11/stringprep.py', 'PYMODULE'),
-  ('_py_abc', '/usr/lib/python3.11/_py_abc.py', 'PYMODULE'),
   ('tracemalloc', '/usr/lib/python3.11/tracemalloc.py', 'PYMODULE'),
   ('pickle', '/usr/lib/python3.11/pickle.py', 'PYMODULE'),
   ('pprint', '/usr/lib/python3.11/pprint.py', 'PYMODULE'),
   ('dataclasses', '/usr/lib/python3.11/dataclasses.py', 'PYMODULE'),
   ('_compat_pickle', '/usr/lib/python3.11/_compat_pickle.py', 'PYMODULE'),
+  ('_py_abc', '/usr/lib/python3.11/_py_abc.py', 'PYMODULE'),
   ('logging.handlers', '/usr/lib/python3.11/logging/handlers.py', 'PYMODULE'),
   ('http.client', '/usr/lib/python3.11/http/client.py', 'PYMODULE'),
   ('ssl', '/usr/lib/python3.11/ssl.py', 'PYMODULE'),
@@ -384,6 +382,8 @@
   ('urllib3.contrib.emscripten.fetch',
    '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/urllib3/contrib/emscripten/fetch.py',
    'PYMODULE'),
+  ('socket', '/usr/lib/python3.11/socket.py', 'PYMODULE'),
+  ('selectors', '/usr/lib/python3.11/selectors.py', 'PYMODULE'),
   ('uuid', '/usr/lib/python3.11/uuid.py', 'PYMODULE'),
   ('subprocess', '/usr/lib/python3.11/subprocess.py', 'PYMODULE'),
   ('signal', '/usr/lib/python3.11/signal.py', 'PYMODULE'),
@@ -467,25 +467,17 @@
   ('libuuid.so.1', '/lib/x86_64-linux-gnu/libuuid.so.1', 'BINARY')],
  [],
  [],
- [('certifi/py.typed',
+ [('certifi/cacert.pem',
-   '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/py.typed',
-   'DATA'),
-  ('certifi/cacert.pem',
    '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/cacert.pem',
    'DATA'),
+  ('certifi/py.typed',
+   '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/py.typed',
+   'DATA'),
   ('base_library.zip',
    '/home/halbebruno/Projetos/DNSBlock/agent/build/dnsblock-agent/base_library.zip',
    'DATA')],
- [('sre_compile', '/usr/lib/python3.11/sre_compile.py', 'PYMODULE'),
+ [('copyreg', '/usr/lib/python3.11/copyreg.py', 'PYMODULE'),
-  ('traceback', '/usr/lib/python3.11/traceback.py', 'PYMODULE'),
+  ('genericpath', '/usr/lib/python3.11/genericpath.py', 'PYMODULE'),
-  ('_weakrefset', '/usr/lib/python3.11/_weakrefset.py', 'PYMODULE'),
-  ('enum', '/usr/lib/python3.11/enum.py', 'PYMODULE'),
-  ('keyword', '/usr/lib/python3.11/keyword.py', 'PYMODULE'),
-  ('stat', '/usr/lib/python3.11/stat.py', 'PYMODULE'),
-  ('sre_parse', '/usr/lib/python3.11/sre_parse.py', 'PYMODULE'),
-  ('weakref', '/usr/lib/python3.11/weakref.py', 'PYMODULE'),
-  ('linecache', '/usr/lib/python3.11/linecache.py', 'PYMODULE'),
-  ('functools', '/usr/lib/python3.11/functools.py', 'PYMODULE'),
   ('encodings.zlib_codec',
    '/usr/lib/python3.11/encodings/zlib_codec.py',
    'PYMODULE'),
@@ -716,26 +708,34 @@
   ('encodings.ascii', '/usr/lib/python3.11/encodings/ascii.py', 'PYMODULE'),
   ('encodings.aliases', '/usr/lib/python3.11/encodings/aliases.py', 'PYMODULE'),
   ('encodings', '/usr/lib/python3.11/encodings/__init__.py', 'PYMODULE'),
-  ('abc', '/usr/lib/python3.11/abc.py', 'PYMODULE'),
-  ('locale', '/usr/lib/python3.11/locale.py', 'PYMODULE'),
-  ('ntpath', '/usr/lib/python3.11/ntpath.py', 'PYMODULE'),
-  ('io', '/usr/lib/python3.11/io.py', 'PYMODULE'),
-  ('reprlib', '/usr/lib/python3.11/reprlib.py', 'PYMODULE'),
-  ('heapq', '/usr/lib/python3.11/heapq.py', 'PYMODULE'),
-  ('sre_constants', '/usr/lib/python3.11/sre_constants.py', 'PYMODULE'),
-  ('collections.abc', '/usr/lib/python3.11/collections/abc.py', 'PYMODULE'),
-  ('collections', '/usr/lib/python3.11/collections/__init__.py', 'PYMODULE'),
-  ('posixpath', '/usr/lib/python3.11/posixpath.py', 'PYMODULE'),
   ('_collections_abc', '/usr/lib/python3.11/_collections_abc.py', 'PYMODULE'),
-  ('codecs', '/usr/lib/python3.11/codecs.py', 'PYMODULE'),
+  ('traceback', '/usr/lib/python3.11/traceback.py', 'PYMODULE'),
+  ('types', '/usr/lib/python3.11/types.py', 'PYMODULE'),
+  ('warnings', '/usr/lib/python3.11/warnings.py', 'PYMODULE'),
+  ('keyword', '/usr/lib/python3.11/keyword.py', 'PYMODULE'),
+  ('posixpath', '/usr/lib/python3.11/posixpath.py', 'PYMODULE'),
+  ('_weakrefset', '/usr/lib/python3.11/_weakrefset.py', 'PYMODULE'),
+  ('stat', '/usr/lib/python3.11/stat.py', 'PYMODULE'),
+  ('sre_compile', '/usr/lib/python3.11/sre_compile.py', 'PYMODULE'),
+  ('sre_constants', '/usr/lib/python3.11/sre_constants.py', 'PYMODULE'),
+  ('heapq', '/usr/lib/python3.11/heapq.py', 'PYMODULE'),
   ('operator', '/usr/lib/python3.11/operator.py', 'PYMODULE'),
-  ('copyreg', '/usr/lib/python3.11/copyreg.py', 'PYMODULE'),
   ('re._parser', '/usr/lib/python3.11/re/_parser.py', 'PYMODULE'),
   ('re._constants', '/usr/lib/python3.11/re/_constants.py', 'PYMODULE'),
   ('re._compiler', '/usr/lib/python3.11/re/_compiler.py', 'PYMODULE'),
   ('re._casefix', '/usr/lib/python3.11/re/_casefix.py', 'PYMODULE'),
   ('re', '/usr/lib/python3.11/re/__init__.py', 'PYMODULE'),
-  ('genericpath', '/usr/lib/python3.11/genericpath.py', 'PYMODULE'),
+  ('functools', '/usr/lib/python3.11/functools.py', 'PYMODULE'),
-  ('types', '/usr/lib/python3.11/types.py', 'PYMODULE'),
+  ('sre_parse', '/usr/lib/python3.11/sre_parse.py', 'PYMODULE'),
-  ('warnings', '/usr/lib/python3.11/warnings.py', 'PYMODULE'),
+  ('weakref', '/usr/lib/python3.11/weakref.py', 'PYMODULE'),
+  ('collections.abc', '/usr/lib/python3.11/collections/abc.py', 'PYMODULE'),
+  ('collections', '/usr/lib/python3.11/collections/__init__.py', 'PYMODULE'),
+  ('locale', '/usr/lib/python3.11/locale.py', 'PYMODULE'),
+  ('enum', '/usr/lib/python3.11/enum.py', 'PYMODULE'),
+  ('io', '/usr/lib/python3.11/io.py', 'PYMODULE'),
+  ('codecs', '/usr/lib/python3.11/codecs.py', 'PYMODULE'),
+  ('ntpath', '/usr/lib/python3.11/ntpath.py', 'PYMODULE'),
+  ('abc', '/usr/lib/python3.11/abc.py', 'PYMODULE'),
+  ('reprlib', '/usr/lib/python3.11/reprlib.py', 'PYMODULE'),
+  ('linecache', '/usr/lib/python3.11/linecache.py', 'PYMODULE'),
   ('os', '/usr/lib/python3.11/os.py', 'PYMODULE')])

agent/build/dnsblock-agent/EXE-00.toc

@@ -109,19 +109,19 @@
   ('libbz2.so.1.0', '/lib/x86_64-linux-gnu/libbz2.so.1.0', 'BINARY'),
   ('libssl.so.3', '/lib/x86_64-linux-gnu/libssl.so.3', 'BINARY'),
   ('libuuid.so.1', '/lib/x86_64-linux-gnu/libuuid.so.1', 'BINARY'),
-  ('certifi/py.typed',
-   '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/py.typed',
-   'DATA'),
   ('certifi/cacert.pem',
    '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/cacert.pem',
    'DATA'),
+  ('certifi/py.typed',
+   '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/py.typed',
+   'DATA'),
   ('base_library.zip',
    '/home/halbebruno/Projetos/DNSBlock/agent/build/dnsblock-agent/base_library.zip',
    'DATA')],
  [],
  False,
  False,
- 1765065952,
+ 1765128812,
  [('run',
    '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/PyInstaller/bootloader/Linux-64bit-intel/run',
    'EXECUTABLE')],

agent/build/dnsblock-agent/PKG-00.toc

@@ -104,12 +104,12 @@
   ('libbz2.so.1.0', '/lib/x86_64-linux-gnu/libbz2.so.1.0', 'BINARY'),
   ('libssl.so.3', '/lib/x86_64-linux-gnu/libssl.so.3', 'BINARY'),
   ('libuuid.so.1', '/lib/x86_64-linux-gnu/libuuid.so.1', 'BINARY'),
-  ('certifi/py.typed',
-   '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/py.typed',
-   'DATA'),
   ('certifi/cacert.pem',
    '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/cacert.pem',
    'DATA'),
+  ('certifi/py.typed',
+   '/home/halbebruno/Projetos/DNSBlock/agent/build_venv/lib/python3.11/site-packages/certifi/py.typed',
+   'DATA'),
   ('base_library.zip',
    '/home/halbebruno/Projetos/DNSBlock/agent/build/dnsblock-agent/base_library.zip',
    'DATA')],

agent/build/dnsblock-agent/xref-dnsblock-agent.html

@@ -151,6 +151,7 @@ imports:
  &#8226;   <a href="#enum">enum</a>
  &#8226;   <a href="#functools">functools</a>
  &#8226;   <a href="#genericpath">genericpath</a>
+ &#8226;   <a href="#grp">grp</a>
  &#8226;   <a href="#heapq">heapq</a>
  &#8226;   <a href="#io">io</a>
  &#8226;   <a href="#json">json</a>
@@ -163,6 +164,7 @@ imports:
  &#8226;   <a href="#operator">operator</a>
  &#8226;   <a href="#os">os</a>
  &#8226;   <a href="#posixpath">posixpath</a>
+ &#8226;   <a href="#pwd">pwd</a>
  &#8226;   <a href="#pyi_rth_inspect.py">pyi_rth_inspect.py</a>
  &#8226;   <a href="#re">re</a>
  &#8226;   <a href="#re._casefix">re._casefix</a>
@@ -171,6 +173,7 @@ imports:
  &#8226;   <a href="#re._parser">re._parser</a>
  &#8226;   <a href="#reprlib">reprlib</a>
  &#8226;   <a href="#requests">requests</a>
+ &#8226;   <a href="#socket">socket</a>
  &#8226;   <a href="#sre_compile">sre_compile</a>
  &#8226;   <a href="#sre_constants">sre_constants</a>
  &#8226;   <a href="#sre_parse">sre_parse</a>
@@ -5517,7 +5520,8 @@ imported by:
   <a name="grp"></a>
   <tt>grp</tt> <span class="moduletype"><i>(builtin module)</i></span>  <div class="import">
 imported by:
-    <a href="#pathlib">pathlib</a>
+    <a href="#main.py">main.py</a>
+ &#8226;   <a href="#pathlib">pathlib</a>
  &#8226;   <a href="#shutil">shutil</a>
  &#8226;   <a href="#subprocess">subprocess</a>
  &#8226;   <a href="#tarfile">tarfile</a>
@@ -7274,6 +7278,7 @@ imported by:
   <tt>pwd</tt> <span class="moduletype"><i>(builtin module)</i></span>  <div class="import">
 imported by:
     <a href="#getpass">getpass</a>
+ &#8226;   <a href="#main.py">main.py</a>
  &#8226;   <a href="#netrc">netrc</a>
  &#8226;   <a href="#pathlib">pathlib</a>
  &#8226;   <a href="#posixpath">posixpath</a>
@@ -8230,6 +8235,7 @@ imported by:
  &#8226;   <a href="#ftplib">ftplib</a>
  &#8226;   <a href="#http.client">http.client</a>
  &#8226;   <a href="#logging.handlers">logging.handlers</a>
+ &#8226;   <a href="#main.py">main.py</a>
  &#8226;   <a href="#platform">platform</a>
  &#8226;   <a href="#requests.adapters">requests.adapters</a>
  &#8226;   <a href="#requests.utils">requests.utils</a>

agent/config.json.example

@@ -1,6 +1,7 @@
 {
-    "serial_key": "YOUR_SERIAL_KEY_HERE",
+    "serial_key": "SUA_CHAVE_SERIAL_AQUI",
     "api_url": "https://app.dnsblock.com.br",
-    "rpz_file": "/etc/unbound/rpz.zones/rpz.dnsblock.zone",
+    "rpz_file": "/opt/dnsblock/rpz/rpz.dnsblock.zone",
-    "reload_command": "systemctl reload unbound"
+    "reload_command": "systemctl reload unbound",
+    "file_owner": "unbound:unbound"
 }

agent/main.py

@@ -3,17 +3,17 @@ import sys
 import time
 import json
 import uuid
+import socket
+import pwd
+import grp
 import requests
 import logging
 from datetime import datetime
-
-# Configuration
-CONFIG_FILE = '/opt/dnsblock/config.json'
-import logging
 from logging.handlers import RotatingFileHandler
 
 # Configuration
 CONFIG_FILE = '/opt/dnsblock/config.json'
+STATE_FILE = '/opt/dnsblock/rpz_state.json'
 LOG_DIR = '/opt/dnsblock/logs'
 LOG_FILE = os.path.join(LOG_DIR, 'agent.log')
 RPZ_FILE_DEFAULT = '/opt/dnsblock/rpz.dnsblock.zone'
@@ -66,32 +66,142 @@ def load_config():
         logging.error(f"Error loading config: {e}")
         sys.exit(1)
 
-def generate_rpz(domains, output_file):
+def get_system_domain():
-    """Generates the RPZ zone file."""
+    """Detects the system domain from FQDN or hostname."""
+    try:
+        fqdn = socket.getfqdn()
+        if fqdn and '.' in fqdn:
+            # Extract domain portion (e.g., server.gtecnet.com.br -> gtecnet.com.br)
+            parts = fqdn.split('.')
+            if len(parts) >= 2:
+                domain = '.'.join(parts[1:])
+                logging.info(f"Detected system domain: {domain}")
+                return domain
+        
+        # Try hostname as fallback
+        hostname = socket.gethostname()
+        if hostname and '.' in hostname:
+            parts = hostname.split('.')
+            if len(parts) >= 2:
+                domain = '.'.join(parts[1:])
+                logging.info(f"Detected system domain from hostname: {domain}")
+                return domain
+        
+        logging.info("Could not detect system domain, using localhost")
+        return "localhost"
+    except Exception as e:
+        logging.warning(f"Error detecting system domain: {e}, using localhost")
+        return "localhost"
+
+def load_rpz_state():
+    """Loads RPZ state from JSON file."""
+    if not os.path.exists(STATE_FILE):
+        return {'last_serial': None, 'last_date': None}
+    
+    try:
+        with open(STATE_FILE, 'r') as f:
+            return json.load(f)
+    except Exception as e:
+        logging.warning(f"Error loading RPZ state: {e}")
+        return {'last_serial': None, 'last_date': None}
+
+def save_rpz_state(state):
+    """Saves RPZ state to JSON file."""
+    try:
+        with open(STATE_FILE, 'w') as f:
+            json.dump(state, f)
+    except Exception as e:
+        logging.error(f"Error saving RPZ state: {e}")
+
+def generate_serial():
+    """Generates serial in YYYYMMDDNN format."""
+    today = datetime.now().strftime('%Y%m%d')
+    state = load_rpz_state()
+    
+    last_serial = state.get('last_serial')
+    last_date = state.get('last_date')
+    
+    if last_date == today and last_serial:
+        # Same day, increment sequence
+        sequence = int(str(last_serial)[-2:]) + 1
+        if sequence > 99:
+            sequence = 99  # Cap at 99
+    else:
+        # New day, reset sequence
+        sequence = 0
+    
+    new_serial = int(f"{today}{sequence:02d}")
+    
+    # Save state
+    save_rpz_state({'last_serial': new_serial, 'last_date': today})
+    
+    return new_serial
+
+def apply_file_ownership(path, file_owner):
+    """Apply user:group ownership to a file or directory."""
+    if not file_owner:
+        return True
+    
+    try:
+        parts = file_owner.split(':')
+        user = parts[0]
+        group = parts[1] if len(parts) > 1 else user
+        
+        uid = pwd.getpwnam(user).pw_uid
+        gid = grp.getgrnam(group).gr_gid
+        
+        os.chown(path, uid, gid)
+        logging.debug(f"Applied ownership {file_owner} to {path}")
+        return True
+    except KeyError as e:
+        logging.warning(f"User or group not found for file_owner '{file_owner}': {e}")
+        return False
+    except PermissionError as e:
+        logging.warning(f"Permission denied setting ownership on {path}: {e}")
+        return False
+    except Exception as e:
+        logging.error(f"Error applying ownership to {path}: {e}")
+        return False
+
+def generate_rpz(domains, output_file, file_owner=None):
+    """Generates the RPZ zone file with proper SOA header."""
     try:
         # Ensure directory exists
-        os.makedirs(os.path.dirname(output_file), exist_ok=True)
+        output_dir = os.path.dirname(output_file)
+        if output_dir:
+            os.makedirs(output_dir, exist_ok=True)
+            # Apply ownership to directory
+            if file_owner:
+                apply_file_ownership(output_dir, file_owner)
+        
+        # Get system domain and generate serial
+        system_domain = get_system_domain()
+        serial = generate_serial()
         
         with open(output_file, 'w') as f:
-            f.write("$TTL 30\n")
+            f.write("$TTL 1H\n")
-            f.write("@ IN SOA rpz.dnsblock.zone. root.rpz.dnsblock.zone. (\n")
+            f.write(f"@ IN SOA localhost. {system_domain}. (\n")
-            f.write(f"    {int(time.time())} ; Serial\n")
+            f.write(f"                {serial}        ; Serial\n")
-            f.write("    30         ; Refresh\n")
+            f.write("                1h              ; Refresh\n")
-            f.write("    15         ; Retry\n")
+            f.write("                15m             ; Retry\n")
-            f.write("    604800     ; Expire\n")
+            f.write("                30d             ; Expire\n")
-            f.write("    30 )       ; Negative Cache TTL\n")
+            f.write("                2h              ; Negative Cache TTL\n")
-            f.write(";\n")
+            f.write("        )\n")
-            f.write("@ IN NS localhost.\n")
+            f.write(f"        NS  {system_domain}.\n")
-            f.write("@ IN A 127.0.0.1\n")
+            f.write("\n")
-            f.write(";\n")
+            f.write("; RPZ block hosts\n")
-            f.write("; Blocked Domains\n")
+            f.write("\n")
             
             for domain in domains:
                 # CNAME to . (NXDOMAIN) or specific sinkhole
                 f.write(f"{domain} CNAME .\n")
                 f.write(f"*.{domain} CNAME .\n")
         
-        logging.info(f"RPZ file generated at {output_file} with {len(domains)} domains.")
+        # Apply ownership to file
+        if file_owner:
+            apply_file_ownership(output_file, file_owner)
+        
+        logging.info(f"RPZ file generated at {output_file} with {len(domains)} domains (serial: {serial}).")
         return True
     except Exception as e:
         logging.error(f"Error generating RPZ: {e}")
@@ -106,6 +216,7 @@ def main():
         api_url = config.get('api_url')
         rpz_file = config.get('rpz_file', RPZ_FILE_DEFAULT)
         reload_command = config.get('reload_command')
+        file_owner = config.get('file_owner')  # Ex: 'unbound:unbound'
         
         if not serial_key or not api_url:
             logging.error("Missing serial_key or api_url in config.")
@@ -140,7 +251,7 @@ def main():
                         if current_checksum != last_checksum:
                             logging.info("Change detected in domain list. Updating RPZ...")
                             domains = data.get('domains', [])
-                            if generate_rpz(domains, rpz_file):
+                            if generate_rpz(domains, rpz_file, file_owner):
                                 last_checksum = current_checksum
                                 
                                 if reload_command:

agent/pkg/install.sh

@@ -1,58 +1,459 @@
 #!/bin/bash
 
-# DNSBlock Agent Installer (Binary Distribution)
+# ============================================================================
+# DNSBlock Agent - Script de Instalação e Desinstalação
+# ============================================================================
+# Este script realiza a instalação ou desinstalação completa do DNSBlock Agent
+# Requer privilégios de root para execução
+#
+# Uso:
+#   ./install.sh              Instalação interativa
+#   ./install.sh uninstall    Desinstalação
+# ============================================================================
 
+set -e
+
+# Diretórios e arquivos
 INSTALL_DIR="/opt/dnsblock"
-SOURCE_DIR=$(pwd)
+RPZ_DIR="$INSTALL_DIR/rpz"
+SERVICE_FILE="/etc/systemd/system/dnsblock-agent.service"
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-# Check root
+# Configurações do Unbound
-if [ "$(id -u)" -ne 0 ]; then
+UNBOUND_CONF_DIR="/etc/unbound/unbound.conf.d"
-  echo "Please run as root"
+UNBOUND_MAIN_CONF="/etc/unbound/unbound.conf"
-  exit 1
+DNSBLOCK_CONF="$UNBOUND_CONF_DIR/dnsblock.conf"
-fi
+DNSBLOCK_INCLUDE='include: "/etc/unbound/unbound.conf.d/dnsblock.conf"'
 
-echo "Installing DNSBlock Agent..."
+# Variáveis globais
+SERIAL=""
+NO_SERIAL=false
 
-# Create Directory
+# ============================================================================
-mkdir -p "$INSTALL_DIR"
+# FUNÇÕES UTILITÁRIAS
+# ============================================================================
 
-# Copy Binary
+# Verificar se está executando como root
-if [ -f "$SOURCE_DIR/dnsblock-agent" ]; then
+verificar_root() {
-    cp "$SOURCE_DIR/dnsblock-agent" "$INSTALL_DIR/"
+    if [ "$(id -u)" -ne 0 ]; then
-    chmod +x "$INSTALL_DIR/dnsblock-agent"
+        whiptail --title "Erro" --msgbox "Este script deve ser executado como root.\n\nExecute novamente com sudo." 10 50
-else
+        exit 1
-    echo "Error: dnsblock-agent binary not found in current directory."
-    exit 1
-fi
-
-# Create Config if not exists
-if [ ! -f "$INSTALL_DIR/config.json" ]; then
-    echo "Creating default config..."
-    if [ -f "$SOURCE_DIR/config.json.example" ]; then
-        cp "$SOURCE_DIR/config.json.example" "$INSTALL_DIR/config.json"
-    else
-         cat <<EOF > "$INSTALL_DIR/config.json"
-{
-    "serial_key": "YOUR_SERIAL_KEY_HERE",
-    "api_url": "https://seu-painel.com",
-    "rpz_file": "/opt/dnsblock/rpz.dnsblock.zone"
-}
-EOF
     fi
-    echo "Config file created at $INSTALL_DIR/config.json. Please edit it with your Serial Key and API URL."
+}
-fi
 
-# Setup Systemd Service
+# Verificar dependências
-echo "Setting up systemd service..."
+verificar_dependencias() {
-if [ -f "$SOURCE_DIR/dnsblock-agent.service" ]; then
+    local deps_faltando=""
-    cp "$SOURCE_DIR/dnsblock-agent.service" /etc/systemd/system/
-    systemctl daemon-reload
-    systemctl enable dnsblock-agent
     
-    echo "Installation Complete!"
+    if ! command -v whiptail &> /dev/null; then
-    echo "1. Edit /opt/dnsblock/config.json"
+        echo "Erro: whiptail não encontrado. Instale-o antes de continuar."
-    echo "2. Start service: systemctl start dnsblock-agent"
+        exit 1
-else
+    fi
-    echo "Error: dnsblock-agent.service not found."
+    
-    exit 1
+    if ! command -v tar &> /dev/null; then
-fi
+        deps_faltando="$deps_faltando tar"
+    fi
+    
+    if ! command -v unbound-checkconf &> /dev/null; then
+        deps_faltando="$deps_faltando unbound-checkconf"
+    fi
+    
+    if [ -n "$deps_faltando" ]; then
+        whiptail --title "Dependências Faltando" \
+            --msgbox "As seguintes dependências não foram encontradas:\n$deps_faltando\n\nPor favor, instale-as antes de continuar." 12 55
+        exit 1
+    fi
+}
+
+# ============================================================================
+# FUNÇÕES DE SERIAL
+# ============================================================================
+
+# Solicitar o serial via whiptail
+solicitar_serial() {
+    local serial=""
+    
+    serial=$(whiptail --title "DNSBlock Agent - Ativação" \
+        --inputbox "Digite o serial de ativação do agente:\n\n(Deixe em branco para instalar sem serial)" \
+        12 60 3>&1 1>&2 2>&3)
+    
+    local status=$?
+    
+    if [ $status -ne 0 ]; then
+        # Usuário cancelou com ESC ou Cancel
+        whiptail --title "Instalação Cancelada" \
+            --msgbox "A instalação foi cancelada pelo usuário." 8 45
+        exit 0
+    fi
+    
+    if [ -z "$serial" ]; then
+        # Serial em branco - perguntar se deseja continuar
+        if whiptail --title "Instalação sem Serial" \
+            --yesno "Você não informou um serial.\n\nDeseja instalar sem serial?\n\n(O serviço será ativado mas não inicializado)\n\nVocê pode obter seu serial em:\nhttp://painel.dnsblock.com.br" \
+            14 55; then
+            NO_SERIAL=true
+            echo ""
+        else
+            whiptail --title "Instalação Cancelada" \
+                --msgbox "A instalação foi cancelada pelo usuário." 8 45
+            exit 0
+        fi
+    else
+        echo "$serial"
+    fi
+}
+
+# Atualizar o serial no config.json
+atualizar_config_serial() {
+    local serial="$1"
+    local config_file="$INSTALL_DIR/config.json"
+    
+    if [ -f "$config_file" ]; then
+        sed -i "s/\"serial_key\":[[:space:]]*\"[^\"]*\"/\"serial_key\": \"$serial\"/" "$config_file"
+    fi
+}
+
+# ============================================================================
+# FUNÇÕES DE CONFIGURAÇÃO DO UNBOUND
+# ============================================================================
+
+# Encontrar o arquivo de configuração apropriado do Unbound
+encontrar_arquivo_config_unbound() {
+    local config_file=""
+    
+    # Verificar se existe algum arquivo com configuração RPZ
+    for conf in "$UNBOUND_CONF_DIR"/*.conf; do
+        if [ -f "$conf" ] && grep -q "rpz:" "$conf" 2>/dev/null; then
+            config_file="$conf"
+            break
+        fi
+    done
+    
+    # Se não encontrou arquivo com RPZ, usar local.conf se existir
+    if [ -z "$config_file" ]; then
+        if [ -f "$UNBOUND_CONF_DIR/local.conf" ]; then
+            config_file="$UNBOUND_CONF_DIR/local.conf"
+        elif [ -f "$UNBOUND_MAIN_CONF" ]; then
+            config_file="$UNBOUND_MAIN_CONF"
+        fi
+    fi
+    
+    echo "$config_file"
+}
+
+# Verificar se o include já existe
+verificar_include_existente() {
+    local include_pattern='include:[[:space:]]*"/etc/unbound/unbound.conf.d/dnsblock.conf"'
+    
+    if [ -f "$UNBOUND_MAIN_CONF" ] && grep -qE "$include_pattern" "$UNBOUND_MAIN_CONF" 2>/dev/null; then
+        return 0
+    fi
+    
+    for conf in "$UNBOUND_CONF_DIR"/*.conf; do
+        if [ -f "$conf" ] && grep -qE "$include_pattern" "$conf" 2>/dev/null; then
+            return 0
+        fi
+    done
+    
+    return 1
+}
+
+# Configurar o Unbound para usar o DNSBlock
+configurar_unbound() {
+    # Criar diretório de configuração do Unbound se não existir
+    if [ ! -d "$UNBOUND_CONF_DIR" ]; then
+        mkdir -p "$UNBOUND_CONF_DIR"
+        chown unbound:unbound "$UNBOUND_CONF_DIR"
+    fi
+    
+    # Criar o diretório RPZ
+    mkdir -p "$RPZ_DIR"
+    chown unbound:unbound "$RPZ_DIR"
+    
+    # Criar arquivo de configuração do DNSBlock para o Unbound
+    cat > "$DNSBLOCK_CONF" << 'EOF'
+rpz:
+  name: rpz.dnsblock.zone
+  zonefile: /opt/dnsblock/rpz/rpz.dnsblock.zone
+  rpz-action-override: nxdomain
+EOF
+    
+    chown unbound:unbound "$DNSBLOCK_CONF"
+    chmod 644 "$DNSBLOCK_CONF"
+    
+    # Adicionar include se não existir
+    if ! verificar_include_existente; then
+        local config_file=$(encontrar_arquivo_config_unbound)
+        
+        if [ -z "$config_file" ]; then
+            return 1
+        fi
+        
+        if grep -q "rpz:" "$config_file" 2>/dev/null; then
+            sed -i "/rpz:/i # DNSBlock\n$DNSBLOCK_INCLUDE\n" "$config_file"
+        else
+            echo "" >> "$config_file"
+            echo "# DNSBlock" >> "$config_file"
+            echo "$DNSBLOCK_INCLUDE" >> "$config_file"
+        fi
+    fi
+    
+    # Criar arquivo RPZ vazio se não existir
+    local rpz_file="$RPZ_DIR/rpz.dnsblock.zone"
+    if [ ! -f "$rpz_file" ]; then
+        cat > "$rpz_file" << 'EOF'
+$TTL 1H
+@   SOA localhost. hostmaster.localhost. (
+    1       ; Serial
+    1h      ; Refresh
+    15m     ; Retry
+    30d     ; Expire
+    2h      ; Negative Cache TTL
+)
+    NS localhost.
+; RPZ block hosts
+EOF
+        chown unbound:unbound "$rpz_file"
+        chmod 644 "$rpz_file"
+    fi
+    
+    # Verificar configuração do Unbound
+    if ! unbound-checkconf &>/dev/null; then
+        rm -f "$DNSBLOCK_CONF"
+        remover_include_unbound
+        return 1
+    fi
+    
+    # Reiniciar o Unbound
+    systemctl restart unbound 2>/dev/null || true
+    
+    return 0
+}
+
+# Remover o include do DNSBlock dos arquivos de configuração
+remover_include_unbound() {
+    local include_pattern='include:[[:space:]]*"/etc/unbound/unbound.conf.d/dnsblock.conf"'
+    local comment_pattern='#[[:space:]]*DNSBlock'
+    
+    if [ -f "$UNBOUND_MAIN_CONF" ]; then
+        sed -i "/$include_pattern/d" "$UNBOUND_MAIN_CONF"
+        sed -i "/$comment_pattern/d" "$UNBOUND_MAIN_CONF"
+    fi
+    
+    for conf in "$UNBOUND_CONF_DIR"/*.conf; do
+        if [ -f "$conf" ] && [ "$conf" != "$DNSBLOCK_CONF" ]; then
+            sed -i "/$include_pattern/d" "$conf"
+            sed -i "/$comment_pattern/d" "$conf"
+        fi
+    done
+}
+
+# Remover configuração do Unbound
+remover_configuracao_unbound() {
+    remover_include_unbound
+    
+    if [ -f "$DNSBLOCK_CONF" ]; then
+        rm -f "$DNSBLOCK_CONF"
+    fi
+    
+    if unbound-checkconf &>/dev/null; then
+        systemctl restart unbound 2>/dev/null || true
+    fi
+}
+
+# ============================================================================
+# FUNÇÃO DE INSTALAÇÃO
+# ============================================================================
+
+instalar() {
+    # Verificar dependências
+    verificar_dependencias
+    
+    # Verificar se já está instalado
+    if [ -d "$INSTALL_DIR" ]; then
+        if ! whiptail --title "DNSBlock já instalado" \
+            --yesno "O DNSBlock Agent já está instalado.\n\nDeseja reinstalar?" 10 50; then
+            exit 0
+        fi
+        
+        # Parar serviço se estiver rodando
+        systemctl stop dnsblock-agent 2>/dev/null || true
+        systemctl disable dnsblock-agent 2>/dev/null || true
+        rm -rf "$INSTALL_DIR"
+    fi
+    
+    # Solicitar serial
+    SERIAL=$(solicitar_serial)
+    
+    # Exibir progresso
+    {
+        echo "10"; echo "# Criando diretórios..."
+        mkdir -p "$INSTALL_DIR"
+        mkdir -p "$INSTALL_DIR/logs"
+        mkdir -p "$INSTALL_DIR/rpz"
+        sleep 0.3
+        
+        echo "30"; echo "# Copiando arquivos..."
+        # Copiar todos os arquivos exceto o service file e o próprio install.sh
+        for item in "$SCRIPT_DIR"/*; do
+            local basename=$(basename "$item")
+            if [ "$basename" != "dnsblock-agent.service" ] && [ "$basename" != "install.sh" ]; then
+                cp -r "$item" "$INSTALL_DIR/"
+            fi
+        done
+        sleep 0.3
+        
+        echo "50"; echo "# Configurando permissões..."
+        chmod +x "$INSTALL_DIR/dnsblock-agent" 2>/dev/null || true
+        touch "$INSTALL_DIR/logs/agent.log"
+        chown -R unbound:unbound "$INSTALL_DIR"
+        chmod 755 "$INSTALL_DIR"
+        sleep 0.3
+        
+        echo "60"; echo "# Configurando serial..."
+        if [ -n "$SERIAL" ]; then
+            atualizar_config_serial "$SERIAL"
+        fi
+        sleep 0.3
+        
+        echo "70"; echo "# Instalando serviço..."
+        if [ -f "$SCRIPT_DIR/dnsblock-agent.service" ]; then
+            mv "$SCRIPT_DIR/dnsblock-agent.service" "$SERVICE_FILE"
+        fi
+        systemctl daemon-reload
+        systemctl enable dnsblock-agent
+        sleep 0.3
+        
+        echo "85"; echo "# Configurando Unbound..."
+        configurar_unbound || true
+        sleep 0.3
+        
+        echo "95"; echo "# Finalizando..."
+        if [ -n "$SERIAL" ]; then
+            systemctl start dnsblock-agent
+        fi
+        sleep 0.3
+        
+        echo "100"; echo "# Concluído!"
+    } | whiptail --title "DNSBlock Agent - Instalação" --gauge "Iniciando instalação..." 8 60 0
+    
+    # Exibir mensagem final
+    if [ -n "$SERIAL" ]; then
+        whiptail --title "Instalação Concluída" \
+            --msgbox "O DNSBlock Agent foi instalado e iniciado com sucesso!\n\nComandos úteis:\n  • Status: systemctl status dnsblock-agent\n  • Logs: journalctl -u dnsblock-agent -f\n  • Reiniciar: systemctl restart dnsblock-agent" 14 60
+    else
+        whiptail --title "Instalação Concluída (sem serial)" \
+            --msgbox "O DNSBlock Agent foi instalado mas NÃO foi iniciado.\n\nPara ativar o agente:\n\n1. Obtenha seu serial em:\n   http://painel.dnsblock.com.br\n\n2. Edite o arquivo:\n   $INSTALL_DIR/config.json\n\n3. Inicie o serviço:\n   systemctl start dnsblock-agent" 18 60
+    fi
+}
+
+# ============================================================================
+# FUNÇÃO DE DESINSTALAÇÃO
+# ============================================================================
+
+desinstalar() {
+    if [ ! -d "$INSTALL_DIR" ] && [ ! -f "$SERVICE_FILE" ] && [ ! -f "$DNSBLOCK_CONF" ]; then
+        whiptail --title "Não Instalado" \
+            --msgbox "O DNSBlock Agent não parece estar instalado." 8 50
+        exit 0
+    fi
+    
+    if ! whiptail --title "Confirmar Desinstalação" \
+        --yesno "Você está prestes a desinstalar o DNSBlock Agent.\n\nTodos os arquivos e configurações serão removidos.\n\nDeseja continuar?" 12 55; then
+        exit 0
+    fi
+    
+    # Exibir progresso
+    {
+        echo "10"; echo "# Parando serviço..."
+        systemctl stop dnsblock-agent 2>/dev/null || true
+        sleep 0.3
+        
+        echo "30"; echo "# Desabilitando serviço..."
+        systemctl disable dnsblock-agent 2>/dev/null || true
+        sleep 0.3
+        
+        echo "50"; echo "# Removendo arquivo de serviço..."
+        rm -f "$SERVICE_FILE"
+        systemctl daemon-reload
+        sleep 0.3
+        
+        echo "70"; echo "# Removendo configuração do Unbound..."
+        remover_configuracao_unbound
+        sleep 0.3
+        
+        echo "90"; echo "# Removendo arquivos..."
+        rm -rf "$INSTALL_DIR"
+        sleep 0.3
+        
+        echo "100"; echo "# Concluído!"
+    } | whiptail --title "DNSBlock Agent - Desinstalação" --gauge "Removendo DNSBlock Agent..." 8 60 0
+    
+    whiptail --title "Desinstalação Concluída" \
+        --msgbox "O DNSBlock Agent foi completamente removido do sistema." 8 55
+}
+
+# ============================================================================
+# MENU PRINCIPAL
+# ============================================================================
+
+menu_principal() {
+    local opcao
+    
+    opcao=$(whiptail --title "DNSBlock Agent" \
+        --menu "Selecione uma opção:" 15 60 4 \
+        "1" "Instalar DNSBlock Agent" \
+        "2" "Desinstalar DNSBlock Agent" \
+        "3" "Sair" \
+        3>&1 1>&2 2>&3)
+    
+    local status=$?
+    
+    if [ $status -ne 0 ] || [ "$opcao" = "3" ]; then
+        exit 0
+    fi
+    
+    case "$opcao" in
+        1) instalar ;;
+        2) desinstalar ;;
+    esac
+}
+
+# ============================================================================
+# INÍCIO DO SCRIPT
+# ============================================================================
+
+# Verificar root
+verificar_root
+
+# Processar argumentos
+case "${1:-}" in
+    install)
+        instalar
+        ;;
+    uninstall|remove)
+        desinstalar
+        ;;
+    --help|-h)
+        echo ""
+        echo "DNSBlock Agent - Script de Instalação"
+        echo ""
+        echo "Uso: $0 [install|uninstall]"
+        echo ""
+        echo "Opções:"
+        echo "  install     Instalar o DNSBlock Agent"
+        echo "  uninstall   Desinstalar o DNSBlock Agent"
+        echo "  --help      Exibir esta mensagem"
+        echo ""
+        echo "Se executado sem argumentos, exibe o menu interativo."
+        echo ""
+        ;;
+    "")
+        menu_principal
+        ;;
+    *)
+        echo "Opção inválida: $1"
+        echo "Use --help para ver as opções disponíveis."
+        exit 1
+        ;;
+esac