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Improved comment clarity on DNS features

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SimplifiedPrivacy 2026-07-12 16:55:52 -04:00
parent 882f374937
commit cc61784502
1 changed files with 29 additions and 11 deletions
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38
core/services/networking/api_requests/subtools/dns_evaluation.py
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@ -40,8 +40,21 @@ def is_dns_problem(url: str) -> bool:
def dns_works_via_tor(domain, connection_observer, client_observer=None): def dns_works_via_tor(domain, connection_observer, client_observer=None):
""" """
Check if domain's resolver is blocking Tor by querying via proxychains. Purpose:
Dynamically configures proxychains with the given port. Check if domain's resolver is blocking Tor by querying via proxychains.
Method:
Dynamically configures proxychains with the given port.
Uses this to query the DNS via dig.
Dependencies:
Proxychains being installed.
Called by:
step4_error_classifier's classify_request_error
Raises Errors?
False
""" """
port_number = ConnectionService.get_random_available_port_number() port_number = ConnectionService.get_random_available_port_number()
@ -87,15 +100,20 @@ socks5 127.0.0.1 {port_number}
print("running command...") print("running command...")
# Run dig through proxychains with the dynamic config # Run dig through proxychains with the dynamic config
result = subprocess.run( try:
['proxychains4', '-f', config_path, 'dig', domain, '+short'], result = subprocess.run(
capture_output=True, ['proxychains4', '-f', config_path, 'dig', domain, '+short'],
text=True, capture_output=True,
timeout=10 text=True,
) timeout=10
print(f"result: {result}") )
logger.debug(f"result: {result}")
except:
logger.error(f"[DNS PROBLEM] Proxychains not installed on this computer")
return False
output = result.stdout.strip() output = result.stdout.strip()
print(f"output: {output}") logger.debug(f"output of stripping the IP out of the result: {output}")
if not output or result.returncode != 0: if not output or result.returncode != 0:
logger.debug(f"[DNS PROBLEM] {domain}: No response") logger.debug(f"[DNS PROBLEM] {domain}: No response")