logging

certpusher.py

@@ -1,8 +1,7 @@
 #!/usr/bin/env python3
 """
 CertPusher - Automated SSL Certificate Distribution Tool
-Distributes SSL certificates to remote servers via SSH/SCP
-Supports standard Linux servers, MikroTik RouterOS, and Proxmox VE
+Version 1.1 - With unified certificate checking for all host types
 """
 
 import configparser
@@ -21,12 +20,12 @@ from scp import SCPClient
 import requests
 from cryptography import x509
 from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.primitives import hashes
 
-# Create logs directory if it doesn't exist
+# Create logs directory
 LOG_DIR = Path(__file__).parent / 'logs'
 LOG_DIR.mkdir(exist_ok=True)
 
-# Logging configuration
 LOG_FORMAT = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
 LOG_FILE = LOG_DIR / f'certpusher_{datetime.now().strftime("%Y%m%d_%H%M%S")}.log'
 
@@ -43,7 +42,6 @@ def setup_logging(debug: bool = False):
         ]
     )
     
-    # Reduce paramiko logging noise
     logging.getLogger('paramiko').setLevel(logging.WARNING)
     logging.getLogger('paramiko.transport').setLevel(logging.WARNING)
 
@@ -93,16 +91,13 @@ class CertificateManager:
     
     @staticmethod
     def compare_certificates(cert1: x509.Certificate, cert2: x509.Certificate) -> bool:
-        """Compare two certificates by serial number and fingerprint"""
+        """Compare two certificates by serial number"""
         try:
-            same_serial = cert1.serial_number == cert2.serial_number
+            serial1 = format(cert1.serial_number, 'X').upper()
+            serial2 = format(cert2.serial_number, 'X').upper()
             
-            from cryptography.hazmat.primitives import hashes
-            fingerprint1 = cert1.fingerprint(hashes.SHA256())
-            fingerprint2 = cert2.fingerprint(hashes.SHA256())
-            same_fingerprint = fingerprint1 == fingerprint2
-            
-            return same_serial and same_fingerprint
+            logger.debug(f"Comparing serials: {serial1} vs {serial2}")
+            return serial1 == serial2
         except Exception as e:
             logger.error(f"Failed to compare certificates: {e}")
             return False
@@ -112,21 +107,14 @@ class CertificateManager:
         """Get human-readable certificate information"""
         try:
             subject = cert.subject.rfc4514_string()
-            issuer = cert.issuer.rfc4514_string()
-            valid_from = cert.not_valid_before_utc
             valid_to = cert.not_valid_after_utc
-            
             now = datetime.now(timezone.utc)
             days_left = (valid_to - now).days
             
-            return f"""
-Certificate Info:
-  Subject: {subject}
-  Issuer: {issuer}
-  Valid From: {valid_from}
-  Valid To: {valid_to}
-  Days Until Expiry: {days_left}
-"""
+            return f"""Certificate: {subject}
+  Serial: {format(cert.serial_number, 'X').upper()}
+  Expires: {valid_to}
+  Days left: {days_left}"""
         except Exception as e:
             return f"Unable to extract certificate info: {e}"
 
@@ -182,13 +170,13 @@ class SSHManager:
             return True
             
         except Exception as e:
-            logger.error(f"SSH connection failed to {self.hostname}:{self.port}: {e}")
+            logger.error(f"SSH connection failed: {e}")
             return False
     
     def upload_file(self, local_path: str, remote_path: str) -> bool:
         """Upload file via SCP"""
         try:
-            logger.info(f"Uploading to {self.hostname}:{remote_path}")
+            logger.info(f"Uploading to {remote_path}")
             
             remote_dir = os.path.dirname(remote_path)
             if remote_dir:
@@ -215,13 +203,10 @@ class SSHManager:
             stdout_text = stdout.read().decode('utf-8', errors='ignore')
             stderr_text = stderr.read().decode('utf-8', errors='ignore')
             
-            if exit_status == 0:
-                logger.debug(f"Command completed successfully")
-            else:
-                if not ignore_error:
+            if exit_status != 0 and not ignore_error:
                 logger.error(f"Command failed with exit code {exit_status}")
                 if stderr_text:
-                        logger.error(f"Error: {stderr_text}")
+                    logger.debug(f"Error: {stderr_text}")
             
             return exit_status == 0, stdout_text, stderr_text
             
@@ -229,11 +214,49 @@ class SSHManager:
             logger.error(f"Command execution failed: {e}")
             return False, "", str(e)
     
+    def check_remote_certificate(self, remote_cert_path: str, source_cert: x509.Certificate) -> bool:
+        """
+        Check if remote certificate matches source certificate
+        Returns True if upload needed, False if certificates match
+        """
+        try:
+            logger.info("Checking remote certificate via SSH")
+            
+            # Try to read and compare certificate via SSH
+            success, stdout, stderr = self.execute_command(
+                f'openssl x509 -in {remote_cert_path} -noout -serial 2>/dev/null || echo "NOTFOUND"',
+                ignore_error=True
+            )
+            
+            if success and stdout and "NOTFOUND" not in stdout:
+                serial_match = re.search(r'serial=([A-F0-9]+)', stdout, re.IGNORECASE)
+                
+                if serial_match:
+                    remote_serial = serial_match.group(1).upper()
+                    source_serial = format(source_cert.serial_number, 'X').upper()
+                    
+                    logger.info(f"Source serial:  {source_serial}")
+                    logger.info(f"Remote serial:  {remote_serial}")
+                    
+                    if source_serial == remote_serial:
+                        logger.info("✓ Certificates match. Skipping upload.")
+                        return False
+                    else:
+                        logger.info("✗ Certificates differ. Upload needed.")
+                        return True
+            
+            logger.warning("Could not read remote certificate via SSH")
+            return True  # Upload if we can't verify
+            
+        except Exception as e:
+            logger.warning(f"Error checking remote certificate: {e}")
+            return True
+    
     def disconnect(self):
         """Close SSH connection"""
         if self.ssh_client:
             self.ssh_client.close()
-            logger.debug(f"Disconnected from {self.hostname}")
+            logger.debug(f"Disconnected")
 
 
 class MikroTikManager(SSHManager):
@@ -242,13 +265,9 @@ class MikroTikManager(SSHManager):
     def __init__(self, hostname: str, port: int, username: str, key_path: str):
         super().__init__(hostname, port, username, key_path)
         self.cert_name = "ssl-cert"
-        self.key_name = "ssl-key"
     
     def check_certificate_expiry(self, source_cert: x509.Certificate) -> bool:
-        """
-        Check if certificate on MikroTik needs update
-        Returns True if upload needed, False if current cert is OK
-        """
+        """Check if certificate on MikroTik needs update"""
         try:
             logger.info("Checking MikroTik certificate")
             
@@ -258,13 +277,13 @@ class MikroTikManager(SSHManager):
             )
             
             if not success or not stdout:
-                logger.info("No certificate found on MikroTik. Upload needed.")
+                logger.info("No certificate found. Upload needed.")
                 return True
             
             invalid_after_match = re.search(r'invalid-after:\s+([a-zA-Z]{3}/\d{2}/\d{4}\s+\d{2}:\d{2}:\d{2})', stdout)
             
             if not invalid_after_match:
-                logger.warning("Could not parse certificate expiry. Proceeding with upload.")
+                logger.warning("Could not parse expiry. Proceeding with upload.")
                 return True
             
             mikrotik_expiry_str = invalid_after_match.group(1)
@@ -272,44 +291,44 @@ class MikroTikManager(SSHManager):
             try:
                 mikrotik_expiry = datetime.strptime(mikrotik_expiry_str, '%b/%d/%Y %H:%M:%S')
                 mikrotik_expiry = mikrotik_expiry.replace(tzinfo=timezone.utc)
-            except Exception as e:
-                logger.warning(f"Could not parse date: {e}. Proceeding with upload.")
+            except Exception:
                 return True
             
             source_expiry = source_cert.not_valid_after_utc
             time_diff = abs((source_expiry - mikrotik_expiry).total_seconds())
             
             if time_diff < 86400:
-                logger.info("✓ MikroTik certificate is current. Skipping upload.")
+                logger.info("✓ MikroTik certificate is current. Skipping.")
                 return False
             else:
                 logger.info(f"MikroTik certificate differs. Upload needed.")
                 return True
                 
         except Exception as e:
-            logger.warning(f"Error checking certificate: {e}. Proceeding with upload.")
+            logger.warning(f"Error checking: {e}. Proceeding with upload.")
             return True
     
-    def upload_certificate(self, cert_path: str, key_path: str = None, check_first: bool = True, source_cert: x509.Certificate = None) -> bool:
-        """Upload and import certificate to MikroTik RouterOS"""
+    def upload_certificate(self, cert_path: str, key_path: str, check_first: bool, source_cert: x509.Certificate) -> Tuple[bool, bool]:
+        """
+        Upload certificate to MikroTik
+        Returns (success, was_uploaded)
+        """
         try:
-            logger.info(f"MikroTik certificate deployment")
-            
             if check_first and source_cert:
                 if not self.check_certificate_expiry(source_cert):
-                    return True
+                    return True, False  # Success but skipped
+            
+            logger.info("Deploying MikroTik certificate")
             
-            logger.debug("Disabling www-ssl service")
             self.execute_command('/ip service disable www-ssl', ignore_error=True)
             
-            logger.debug("Removing old certificates")
             cleanup_commands = [
                 f'/certificate remove [find name~"{self.cert_name}"]',
                 f'/file remove "{self.cert_name}.pem"',
             ]
             
             if key_path:
-                cleanup_commands.append(f'/file remove "{self.key_name}.pem"')
+                cleanup_commands.append(f'/file remove "ssl-key.pem"')
             
             for cmd in cleanup_commands:
                 self.execute_command(cmd, ignore_error=True)
@@ -321,20 +340,14 @@ class MikroTikManager(SSHManager):
             if key_path:
                 logger.info("Uploading private key")
                 with SCPClient(self.ssh_client.get_transport()) as scp:
-                    scp.put(key_path, f'{self.key_name}.pem')
+                    scp.put(key_path, 'ssl-key.pem')
             
             logger.info("Importing certificate")
-            import_cmd = f'/certificate import file-name={self.cert_name}.pem passphrase=""'
-            success, stdout, stderr = self.execute_command(import_cmd, timeout=30)
-            
-            if not success and "failure" in stderr.lower():
-                logger.error(f"Certificate import failed: {stderr}")
-                return False
+            self.execute_command(f'/certificate import file-name={self.cert_name}.pem passphrase=""', timeout=30)
             
             import time
             time.sleep(2)
             
-            logger.info("Configuring www-ssl service")
             config_commands = [
                 f'/ip service set www-ssl certificate={self.cert_name}_0',
                 '/ip service enable www-ssl',
@@ -344,136 +357,106 @@ class MikroTikManager(SSHManager):
                 self.execute_command(cmd, ignore_error=True)
             
             logger.info(f"✓ MikroTik deployment successful")
-            return True
+            return True, True  # Success and uploaded
             
         except Exception as e:
             logger.error(f"MikroTik deployment failed: {e}")
-            return False
-    
-    def verify_certificate(self) -> bool:
-        """Verify certificate is properly installed"""
-        try:
-            success, stdout, stderr = self.execute_command(
-                '/certificate print detail where name~"ssl-cert"'
-            )
-            
-            if success and stdout:
-                logger.debug(f"Certificate verified")
-                return True
-            
-            return False
-            
-        except Exception as e:
-            logger.error(f"Certificate verification failed: {e}")
-            return False
+            return False, False
 
 
 class ProxmoxManager(SSHManager):
     """Specialized manager for Proxmox VE servers"""
     
     def check_certificate(self, source_cert: x509.Certificate, check_url: str) -> bool:
-        """
-        Check if certificate on Proxmox needs update
-        Returns True if upload needed, False if current cert is OK
-        """
+        """Check if certificate on Proxmox needs update"""
         try:
             logger.info("Checking Proxmox certificate")
             
-            # Method 1: Check via SSH - read cert file directly
+            # Method 1: Check via SSH
             success, stdout, stderr = self.execute_command(
-                'openssl x509 -in /etc/pve/local/pveproxy-ssl.pem -noout -serial -dates',
+                'openssl x509 -in /etc/pve/local/pveproxy-ssl.pem -noout -serial -dates 2>/dev/null',
                 ignore_error=True
             )
             
             if success and stdout:
-                logger.debug(f"Proxmox certificate info:\n{stdout}")
+                serial_match = re.search(r'serial=([A-F0-9]+)', stdout, re.IGNORECASE)
                 
-                # Parse serial number
-                serial_match = re.search(r'serial=([A-F0-9]+)', stdout)
-                # Parse expiry date
-                notAfter_match = re.search(r'notAfter=(.+)', stdout)
+                if serial_match:
+                    proxmox_serial = serial_match.group(1).upper()
+                    source_serial = format(source_cert.serial_number, 'X').upper()
                     
-                if serial_match and notAfter_match:
-                    proxmox_serial = serial_match.group(1)
-                    source_serial = format(source_cert.serial_number, 'X')
-                    
-                    logger.debug(f"Source serial: {source_serial}")
-                    logger.debug(f"Proxmox serial: {proxmox_serial}")
+                    logger.info(f"Source serial:  {source_serial}")
+                    logger.info(f"Proxmox serial: {proxmox_serial}")
                     
                     if source_serial == proxmox_serial:
-                        logger.info("✓ Proxmox certificate is current. Skipping upload.")
+                        logger.info("✓ Certificates match. Skipping upload.")
                         return False
                     else:
-                        logger.info("Proxmox certificate differs. Upload needed.")
+                        logger.info("✗ Certificates differ. Upload needed.")
                         return True
             
-            # Method 2: Fallback - try URL check
+            # Method 2: Fallback to URL check
             if check_url:
+                logger.info("Trying URL-based check")
                 cert_manager = CertificateManager()
                 remote_cert = cert_manager.get_cert_from_url(check_url)
                 
-                if remote_cert:
-                    if cert_manager.compare_certificates(source_cert, remote_cert):
-                        logger.info("✓ Certificate verified via URL. Skipping upload.")
+                if remote_cert and cert_manager.compare_certificates(source_cert, remote_cert):
+                    logger.info("✓ Certificates match via URL. Skipping.")
                     return False
             
-            # If we can't verify, proceed with upload
-            logger.warning("Could not verify certificate. Proceeding with upload.")
+            logger.warning("Could not verify. Proceeding with upload.")
             return True
             
         except Exception as e:
-            logger.warning(f"Error checking certificate: {e}. Proceeding with upload.")
+            logger.warning(f"Error checking: {e}. Proceeding with upload.")
             return True
     
-    def upload_certificate(self, cert_path: str, key_path: str, check_first: bool = True, 
-                          source_cert: x509.Certificate = None, check_url: str = None) -> bool:
-        """Upload certificate to Proxmox VE"""
+    def upload_certificate(self, cert_path: str, key_path: str, check_first: bool, 
+                          source_cert: x509.Certificate, check_url: str) -> Tuple[bool, bool]:
+        """
+        Upload certificate to Proxmox
+        Returns (success, was_uploaded)
+        """
         try:
-            logger.info(f"Proxmox certificate deployment")
-            
-            # Check if upload is needed
             if check_first and source_cert:
                 if not self.check_certificate(source_cert, check_url):
-                    return True  # Certificate is current, skip upload
+                    return True, False  # Success but skipped
+            
+            logger.info("Deploying Proxmox certificate")
             
-            logger.info("Uploading certificate")
             if not self.upload_file(cert_path, '/etc/pve/local/pveproxy-ssl.pem'):
-                return False
+                return False, False
             
-            logger.info("Uploading private key")
             if not self.upload_file(key_path, '/etc/pve/local/pveproxy-ssl.key'):
-                return False
+                return False, False
             
-            logger.debug("Setting permissions")
             commands = [
                 'chmod 640 /etc/pve/local/pveproxy-ssl.key',
                 'chown root:www-data /etc/pve/local/pveproxy-ssl.key',
             ]
             
             for cmd in commands:
-                self.execute_command(cmd, ignore_error=False)
+                self.execute_command(cmd)
             
             logger.info("Restarting pveproxy")
-            success, stdout, stderr = self.execute_command('systemctl restart pveproxy', timeout=30)
-            
-            if not success:
-                logger.error(f"Failed to restart pveproxy")
-                return False
+            self.execute_command('systemctl restart pveproxy', timeout=30)
             
             import time
             time.sleep(3)
             
-            success, stdout, stderr = self.execute_command('systemctl is-active pveproxy')
+            success, stdout, _ = self.execute_command('systemctl is-active pveproxy')
             if success and 'active' in stdout:
                 logger.info(f"✓ Proxmox deployment successful")
-                return True
+                return True, True
             else:
-                logger.error("pveproxy service is not active")
-                return False
+                logger.error("pveproxy not active")
+                return False, False
             
         except Exception as e:
             logger.error(f"Proxmox deployment failed: {e}")
-            return False
+            return False, False
+
 
 class CertPusher:
     """Main application class"""
@@ -482,61 +465,52 @@ class CertPusher:
         self.config_file = config_file
         self.config = configparser.ConfigParser()
         self.cert_manager = CertificateManager()
-        self.stats = {
-            'total': 0,
-            'uploaded': 0,
-            'skipped': 0,
-            'failed': 0
-        }
+        self.stats = {'total': 0, 'uploaded': 0, 'skipped': 0, 'failed': 0}
         
     def load_config(self) -> bool:
-        """Load configuration from INI file"""
+        """Load configuration"""
         try:
-            logger.info(f"Loading configuration from {self.config_file}")
+            logger.info(f"Loading config: {self.config_file}")
             self.config.read(self.config_file)
             
             if 'global' not in self.config:
-                logger.error("Missing [global] section in config file")
+                logger.error("Missing [global] section")
                 return False
             
-            required_global = ['source_cert_path', 'default_ssh_key']
-            for key in required_global:
+            required = ['source_cert_path', 'default_ssh_key']
+            for key in required:
                 if not self.config.has_option('global', key):
-                    logger.error(f"Missing required global option: {key}")
+                    logger.error(f"Missing: {key}")
                     return False
             
-            logger.info(f"✓ Configuration loaded")
-            logger.info(f"Found {len(self.config.sections()) - 1} host(s)")
+            logger.info(f"✓ Config loaded ({len(self.config.sections()) - 1} hosts)")
             return True
             
         except Exception as e:
-            logger.error(f"Failed to load configuration: {e}")
+            logger.error(f"Config load failed: {e}")
             return False
     
     def get_key_path(self, section: str, cert_path: str) -> str:
-        """Get private key path for certificate"""
+        """Get private key path"""
         if self.config.has_option(section, 'source_key_path'):
             return self.config.get(section, 'source_key_path')
-        
         if self.config.has_option('global', 'source_key_path'):
             return self.config.get('global', 'source_key_path')
+        return cert_path.replace('fullchain.pem', 'privkey.pem').replace('cert.pem', 'privkey.pem')
     
-        key_path = cert_path.replace('fullchain.pem', 'privkey.pem').replace('cert.pem', 'privkey.pem')
-        return key_path
-    
-    def process_mikrotik(self, section: str, hostname: str, port: int, 
-                         username: str, ssh_key: str, source_cert_path: str) -> bool:
-        """Process MikroTik device specifically"""
+    def process_mikrotik(self, section: str, hostname: str, port: int, username: str, ssh_key: str, source_cert_path: str) -> bool:
+        """Process MikroTik device"""
         try:
-            logger.info("Using MikroTik deployment method")
-            
             source_key_path = self.get_key_path(section, source_cert_path)
             
             if not os.path.exists(source_key_path):
-                logger.error(f"Private key not found: {source_key_path}")
+                logger.error(f"Key not found: {source_key_path}")
                 return False
             
             source_cert = self.cert_manager.get_cert_from_file(source_cert_path)
+            if not source_cert:
+                return False
+            
             check_first = self.config.getboolean(section, 'check_before_upload', fallback=True)
             
             mikrotik = MikroTikManager(hostname, port, username, ssh_key)
@@ -545,98 +519,73 @@ class CertPusher:
                 self.stats['failed'] += 1
                 return False
             
-            result = mikrotik.upload_certificate(source_cert_path, source_key_path, check_first, source_cert)
-            
-            if not result:
+            success, was_uploaded = mikrotik.upload_certificate(source_cert_path, source_key_path, check_first, source_cert)
             mikrotik.disconnect()
+            
+            if success:
+                if was_uploaded:
+                    self.stats['uploaded'] += 1
+                else:
+                    self.stats['skipped'] += 1
+                logger.info("✓ MikroTik processed")
+                return True
+            else:
                 self.stats['failed'] += 1
                 return False
             
-            mikrotik.verify_certificate()
-            mikrotik.disconnect()
-            self.stats['uploaded'] += 1
-            logger.info(f"✓ MikroTik processed successfully")
-            return True
-            
         except Exception as e:
-            logger.error(f"MikroTik processing failed: {e}")
+            logger.error(f"MikroTik failed: {e}")
             self.stats['failed'] += 1
             return False
     
-    def process_proxmox(self, section: str, hostname: str, port: int,
-                    username: str, ssh_key: str, source_cert_path: str) -> bool:
-        """Process Proxmox VE server specifically"""
+    def process_proxmox(self, section: str, hostname: str, port: int, username: str, ssh_key: str, source_cert_path: str) -> bool:
+        """Process Proxmox server"""
         try:
-            logger.info("Using Proxmox deployment method")
-            
             source_key_path = self.get_key_path(section, source_cert_path)
             
-            # Show which certificate we're using
-            logger.info(f"Source certificate: {source_cert_path}")
-            logger.info(f"Source key: {source_key_path}")
-            
             if not os.path.exists(source_key_path):
-                logger.error(f"Private key not found: {source_key_path}")
+                logger.error(f"Key not found: {source_key_path}")
                 return False
             
-            # Load source certificate for comparison
             source_cert = self.cert_manager.get_cert_from_file(source_cert_path)
-            
-            if source_cert:
-                # Show source cert details
-                source_serial = format(source_cert.serial_number, 'X').upper()
-                logger.info(f"Source cert serial: {source_serial}")
-                logger.info(f"Source cert expires: {source_cert.not_valid_after_utc}")
-            else:
-                logger.error("Failed to load source certificate")
+            if not source_cert:
                 return False
             
-            # Get check URL if available
+            logger.info(f"Using cert: {source_cert_path}")
+            logger.info(self.cert_manager.get_certificate_info(source_cert))
+            
             check_url = self.config.get(section, 'check_url', fallback=None)
-            
-            # Check if we should verify before upload
             check_first = self.config.getboolean(section, 'check_before_upload', fallback=True)
             
-            logger.info(f"Check before upload: {check_first}")
-            if check_url:
-                logger.info(f"Check URL: {check_url}")
-            
             proxmox = ProxmoxManager(hostname, port, username, ssh_key)
             
             if not proxmox.connect():
                 self.stats['failed'] += 1
                 return False
             
-            # Upload with optional checking
-            result = proxmox.upload_certificate(source_cert_path, source_key_path, 
-                                            check_first, source_cert, check_url)
-            
+            success, was_uploaded = proxmox.upload_certificate(source_cert_path, source_key_path, check_first, source_cert, check_url)
             proxmox.disconnect()
             
-            if result:
-                # Check if it was actually uploaded or skipped
-                # This is a bit tricky - we need to track this in upload_certificate
+            if success:
+                if was_uploaded:
                     self.stats['uploaded'] += 1
-                logger.info(f"✓ Proxmox processed successfully")
+                else:
+                    self.stats['skipped'] += 1
+                logger.info("✓ Proxmox processed")
                 return True
             else:
                 self.stats['failed'] += 1
                 return False
             
         except Exception as e:
-            logger.error(f"Proxmox processing failed: {e}")
-            import traceback
-            logger.debug(traceback.format_exc())
+            logger.error(f"Proxmox failed: {e}")
             self.stats['failed'] += 1
             return False
     
-    
     def process_host(self, section: str) -> bool:
-        """Process certificate deployment for a single host"""
+        """Process standard host"""
         try:
-            logger.info(f"\n{'='*60}")
-            logger.info(f"Processing: {section}")
-            logger.info(f"{'='*60}")
+            logger.info(f"\n{'='*60}\nProcessing: {section}\n{'='*60}")
             
             self.stats['total'] += 1
             
@@ -645,49 +594,33 @@ class CertPusher:
             username = self.config.get(section, 'username', fallback='root')
             device_type = self.config.get(section, 'type', fallback='standard')
             
-            if self.config.has_option(section, 'ssh_key_path'):
-                ssh_key = self.config.get(section, 'ssh_key_path')
-            else:
-                ssh_key = self.config.get('global', 'default_ssh_key')
-            
-            if self.config.has_option(section, 'source_cert_path'):
-                source_cert_path = self.config.get(section, 'source_cert_path')
-                logger.info(f"Using host-specific certificate")
-            else:
-                source_cert_path = self.config.get('global', 'source_cert_path')
+            ssh_key = self.config.get(section, 'ssh_key_path', fallback=None) or self.config.get('global', 'default_ssh_key')
+            source_cert_path = self.config.get(section, 'source_cert_path', fallback=None) or self.config.get('global', 'source_cert_path')
             
             if not os.path.exists(source_cert_path):
                 logger.error(f"Certificate not found: {source_cert_path}")
                 self.stats['failed'] += 1
                 return False
             
-            logger.info(f"Host: {hostname}:{port}")
-            logger.info(f"Type: {device_type}")
+            logger.info(f"Host: {hostname}:{port} ({device_type})")
             logger.info(f"User: {username}")
             
+            # Route to specialized handlers
             if device_type.lower() == 'mikrotik':
                 return self.process_mikrotik(section, hostname, port, username, ssh_key, source_cert_path)
             elif device_type.lower() == 'proxmox':
                 return self.process_proxmox(section, hostname, port, username, ssh_key, source_cert_path)
             
+            # Standard host processing
             remote_cert_path = self.config.get(section, 'remote_cert_path')
             post_upload_command = self.config.get(section, 'post_upload_command', fallback='')
             check_url = self.config.get(section, 'check_url', fallback='')
+            check_first = self.config.getboolean(section, 'check_before_upload', fallback=True)
             
-            if check_url:
-                logger.info(f"Checking certificate at {check_url}")
             source_cert = self.cert_manager.get_cert_from_file(source_cert_path)
-                remote_cert = self.cert_manager.get_cert_from_url(check_url)
-                
-                if source_cert and remote_cert:
-                    if self.cert_manager.compare_certificates(source_cert, remote_cert):
-                        logger.info(f"✓ Certificate is up to date. Skipping.")
-                        self.stats['skipped'] += 1
-                        return True
-                    else:
-                        logger.info(f"Certificate is outdated. Uploading.")
-                else:
-                    logger.warning(f"Could not compare certificates. Proceeding.")
+            if not source_cert:
+                self.stats['failed'] += 1
+                return False
             
             ssh = SSHManager(hostname, port, username, ssh_key)
             
@@ -695,65 +628,71 @@ class CertPusher:
                 self.stats['failed'] += 1
                 return False
             
+            # Check if upload needed
+            upload_needed = True
+            
+            if check_first:
+                # Try SSH check first
+                if not ssh.check_remote_certificate(remote_cert_path, source_cert):
+                    upload_needed = False
+                # Try URL check if SSH check failed
+                elif check_url:
+                    logger.info(f"Checking via URL: {check_url}")
+                    remote_cert = self.cert_manager.get_cert_from_url(check_url)
+                    if remote_cert and self.cert_manager.compare_certificates(source_cert, remote_cert):
+                        logger.info("✓ Certificate up to date via URL. Skipping.")
+                        upload_needed = False
+            
+            if not upload_needed:
+                ssh.disconnect()
+                self.stats['skipped'] += 1
+                return True
+            
+            # Upload certificate
             if not ssh.upload_file(source_cert_path, remote_cert_path):
                 ssh.disconnect()
                 self.stats['failed'] += 1
                 return False
             
+            # Upload key if specified
             if self.config.has_option(section, 'remote_key_path'):
                 remote_key_path = self.config.get(section, 'remote_key_path')
                 source_key_path = self.get_key_path(section, source_cert_path)
                 
-                logger.info(f"Uploading private key")
-                
-                if not os.path.exists(source_key_path):
-                    logger.error(f"Private key not found: {source_key_path}")
-                    ssh.disconnect()
-                    self.stats['failed'] += 1
-                    return False
-                
-                if not ssh.upload_file(source_key_path, remote_key_path):
-                    logger.warning(f"Failed to upload private key")
+                if os.path.exists(source_key_path):
+                    ssh.upload_file(source_key_path, remote_key_path)
             
+            # Additional files
             if self.config.has_option(section, 'additional_files'):
-                additional_files = self.config.get(section, 'additional_files')
-                for file_pair in additional_files.split(','):
+                for file_pair in self.config.get(section, 'additional_files').split(','):
                     if ':' in file_pair:
                         local, remote = file_pair.strip().split(':', 1)
-                        logger.info(f"Uploading additional: {os.path.basename(local)}")
-                        if not ssh.upload_file(local, remote):
-                            logger.warning(f"Failed to upload additional file")
+                        ssh.upload_file(local, remote)
             
+            # Post-upload command
             if post_upload_command:
-                logger.info(f"Executing post-upload command")
-                success, stdout, stderr = ssh.execute_command(post_upload_command)
-                
-                if not success:
-                    logger.warning(f"Post-upload command failed")
-                else:
-                    logger.info(f"✓ Post-upload command completed")
+                logger.info("Executing post-upload command")
+                ssh.execute_command(post_upload_command)
             
             ssh.disconnect()
             self.stats['uploaded'] += 1
-            logger.info(f"✓ Host processed successfully")
+            logger.info("✓ Host processed")
             return True
             
         except Exception as e:
-            logger.error(f"Failed to process host: {e}")
+            logger.error(f"Failed: {e}")
             self.stats['failed'] += 1
             return False
     
     def run(self):
-        """Main execution method"""
+        """Main execution"""
         logger.info("="*60)
         logger.info("   CertPusher - SSL Certificate Distribution")
         logger.info("="*60)
         logger.info(f"Started: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
-        logger.info(f"Log file: {LOG_FILE}")
-        logger.info("")
+        logger.info(f"Log: {LOG_FILE}\n")
         
         if not self.load_config():
-            logger.error("Configuration loading failed")
             sys.exit(1)
         
         source_cert = self.config.get('global', 'source_cert_path')
@@ -761,31 +700,21 @@ class CertPusher:
             logger.error(f"Source certificate not found: {source_cert}")
             sys.exit(1)
         
-        logger.info(f"Source certificate: {source_cert}")
-        
-        cert = self.cert_manager.get_cert_from_file(source_cert)
-        if cert:
-            logger.info(self.cert_manager.get_certificate_info(cert))
+        logger.info(f"Global certificate: {source_cert}\n")
         
         for section in self.config.sections():
             if section == 'global':
                 continue
-            
-            try:
             self.process_host(section)
-            except Exception as e:
-                logger.error(f"Unexpected error: {e}")
-                self.stats['failed'] += 1
         
         logger.info("\n" + "="*60)
         logger.info("              SUMMARY")
         logger.info("="*60)
-        logger.info(f"Total hosts:     {self.stats['total']}")
+        logger.info(f"Total:      {self.stats['total']}")
         logger.info(f"✓ Uploaded: {self.stats['uploaded']}")
         logger.info(f"○ Skipped:  {self.stats['skipped']}")
         logger.info(f"✗ Failed:   {self.stats['failed']}")
         logger.info("="*60)
-        logger.info(f"Finished: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
         
         if self.stats['failed'] > 0:
             sys.exit(1)
@@ -793,42 +722,30 @@ class CertPusher:
 
 def main():
     """Entry point"""
-    parser = argparse.ArgumentParser(
-        description='CertPusher - SSL Certificate Distribution Tool',
-        formatter_class=argparse.RawDescriptionHelpFormatter,
-        epilog="""
-Examples:
-  %(prog)s config.ini              # Normal operation
-  %(prog)s config.ini --debug      # Debug mode with verbose logging
-  %(prog)s config.ini -d           # Same as above
-        """
-    )
-    
-    parser.add_argument('config', help='Path to configuration file')
+    parser = argparse.ArgumentParser(description='CertPusher - SSL Certificate Distribution')
+    parser.add_argument('config', help='Configuration file')
     parser.add_argument('-d', '--debug', action='store_true', help='Enable debug logging')
-    parser.add_argument('-v', '--version', action='version', version='CertPusher 1.0')
-    
+    parser.add_argument('-v', '--version', action='version', version='CertPusher 1.1')
     args = parser.parse_args()
     
-    # Setup logging based on debug flag
     setup_logging(debug=args.debug)
     
     print("""
 ╔═══════════════════════════════════════════════════════════╗
-║                    CertPusher v1.0                        ║
+║                    CertPusher v1.1                        ║
 ║      Automated SSL Certificate Distribution Tool          ║
 ╚═══════════════════════════════════════════════════════════╝
 """)
     
     if not os.path.exists(args.config):
-        print(f"Error: Configuration file '{args.config}' not found")
+        print(f"Error: Config file '{args.config}' not found")
         sys.exit(1)
     
     try:
         pusher = CertPusher(args.config)
         pusher.run()
     except KeyboardInterrupt:
-        print("\n\nInterrupted by user. Exiting...")
+        print("\n\nInterrupted. Exiting...")
         sys.exit(130)
     except Exception as e:
         logger.error(f"Fatal error: {e}", exc_info=True)