1+ import logging
2+ import socket
3+ import dns .resolver
4+ from typing import List , Dict , Any
5+
6+ class DNSManager :
7+ def __init__ (self , logger : logging .Logger ):
8+ self .logger = logger
9+ self .resolvers = []
10+ self .current_resolver = None
11+ self .blacklist = []
12+ self .whitelist = []
13+ self .dnssec_enabled = False
14+ self .https_over_dns_enabled = False
15+
16+ def add_resolver (self , resolver_address : str ):
17+ try :
18+ socket .inet_pton (socket .AF_INET , resolver_address )
19+ self .resolvers .append (resolver_address )
20+ self .logger .info (f"Added IPv4 resolver: { resolver_address } " )
21+ except socket .error :
22+ try :
23+ socket .inet_pton (socket .AF_INET6 , resolver_address )
24+ self .resolvers .append (resolver_address )
25+ self .logger .info (f"Added IPv6 resolver: { resolver_address } " )
26+ except socket .error :
27+ self .logger .warning (f"Invalid resolver address: { resolver_address } " )
28+
29+ def remove_resolver (self , resolver_address : str ):
30+ if resolver_address in self .resolvers :
31+ self .resolvers .remove (resolver_address )
32+ self .logger .info (f"Removed resolver: { resolver_address } " )
33+ else :
34+ self .logger .warning (f"Resolver not found: { resolver_address } " )
35+
36+ def get_resolvers (self ) -> List [str ]:
37+ return self .resolvers
38+
39+ def set_resolver (self , resolver_address : str ):
40+ if resolver_address in self .resolvers :
41+ self .current_resolver = resolver_address
42+ self .logger .info (f"Set current resolver to: { resolver_address } " )
43+ else :
44+ self .logger .warning (f"Resolver not found: { resolver_address } " )
45+
46+ def clear_resolver (self ):
47+ self .current_resolver = None
48+ self .logger .info ("Cleared current resolver." )
49+
50+ def get_current_resolver (self ) -> Dict [str , str ]:
51+ return {"address" : self .current_resolver } if self .current_resolver else None
52+
53+ def add_to_blacklist (self , domain : str ):
54+ self .blacklist .append (domain )
55+ self .logger .info (f"Added to blacklist: { domain } " )
56+
57+ def remove_from_blacklist (self , domain : str ):
58+ if domain in self .blacklist :
59+ self .blacklist .remove (domain )
60+ self .logger .info (f"Removed from blacklist: { domain } " )
61+ else :
62+ self .logger .warning (f"Domain not found in blacklist: { domain } " )
63+
64+ def add_to_whitelist (self , domain : str ):
65+ self .whitelist .append (domain )
66+ self .logger .info (f"Added to whitelist: { domain } " )
67+
68+ def remove_from_whitelist (self , domain : str ):
69+ if domain in self .whitelist :
70+ self .whitelist .remove (domain )
71+ self .logger .info (f"Removed from whitelist: { domain } " )
72+ else :
73+ self .logger .warning (f"Domain not found in whitelist: { domain } " )
74+
75+ def enable_dnssec (self ):
76+ self .dnssec_enabled = True
77+ self .logger .info ("DNSSEC enabled." )
78+
79+ def disable_dnssec (self ):
80+ self .dnssec_enabled = False
81+ self .logger .info ("DNSSEC disabled." )
82+
83+ def enable_https_over_dns (self ):
84+ self .https_over_dns_enabled = True
85+ self .logger .info ("HTTPS over DNS enabled." )
86+
87+ def disable_https_over_dns (self ):
88+ self .https_over_dns_enabled = False
89+ self .logger .info ("HTTPS over DNS disabled." )
90+
91+ def resolve_dns (self , domain : str ) -> str :
92+ try :
93+ resolver = dns .resolver .Resolver ()
94+ if self .current_resolver :
95+ resolver .nameservers = [self .current_resolver ]
96+ if self .dnssec_enabled :
97+ resolver .use_dnssec = True
98+ answers = resolver .resolve (domain )
99+ if answers :
100+ self .logger .info (f"DNS resolved for { domain } : { answers [0 ].address } " )
101+ return answers [0 ].address
102+ else :
103+ self .logger .warning (f"DNS lookup failed for { domain } " )
104+ return None
105+ except Exception as e :
106+ self .logger .error (f"Error during DNS resolution: { e } " )
107+ return None
108+
109+ def reverse_dns_over_https (self , ip_address : str ) -> str :
110+ try :
111+ addr = socket .inet_aton (ip_address )
112+ rev_addr = socket .inet_ntoa (addr [::- 1 ])
113+ domain = self .resolve_dns (f"{ rev_addr } .in-addr.arpa" )
114+ if domain :
115+ self .logger .info (f"Reverse DNS for { ip_address } is { domain } " )
116+ return domain
117+ else :
118+ self .logger .warning (f"Reverse DNS lookup failed for { ip_address } " )
119+ return None
120+ except Exception as e :
121+ self .logger .error (f"Error performing reverse DNS lookup: { e } " )
122+ return None
123+
124+ def reverse_ddns_tunneling (self , domain : str ) -> str :
125+ # Placeholder for reverse DDNS tunneling logic
126+ self .logger .info (f"Performing reverse DDNS tunneling for { domain } " )
127+ # In a real scenario, this would involve setting up a tunnel and resolving the domain.
128+ self .logger .info (f"Reverse DDNS tunneling completed for { domain } " )
129+ return "127.0.0.1" # Placeholder
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