socket.getfqdn() doesn't cope properly with purely DNS-based setups

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
python
Domain
networking

Research direction

Start at the socket.getfqdn() entry point and compare its behavior in purely DNS-based setups with the outputs documented by python5004-test.c. Review python2.7-socket-getfqdn.patch, including the updated python2.7-socket-getfqdn.patch, and use the observed discrepancy to define the expected behavior and tests for the Library (Lib) component.

Written by the indexing model from the issue text.

Description

3.10 3.11 3.9 (EOL) stdlib topic-socket type-bug
BPO 5004
Nosy @loewis, @tiran, @mcepl, @bitdancer, @thomaswaldmann, @jan-hudec, @shoop
Files
  • python2.7-socket-getfqdn.patch
  • python5004-test.c: test C program showing various gethost function output on my system
  • python2.7-socket-getfqdn.patch: Updated patch, originally by Stijn.Hoop
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = None
created_at = <Date 2009-01-19.22:29:02.219>
labels = ['type-bug', 'library', '3.9', '3.10', '3.11']
title = "socket.getfqdn() doesn't cope properly with purely DNS-based setups"
updated_at = <Date 2021-12-16.17:35:04.319>
user = 'https://bugs.python.org/dfranke'

    bugs.python.org fields:

    activity = <Date 2021-12-16.17:35:04.319>
actor = 'mcepl'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2009-01-19.22:29:02.219>
creator = 'dfranke'
dependencies = []
files = ['29919', '29921', '50390']
hgrepos = []
issue_num = 5004
keywords = ['patch']
message_count = 24.0
messages = ['80216', '109635', '109647', '162508', '173987', '187065', '187098', '187234', '187237', '187238', '187253', '187256', '187350', '187355', '297435', '300593', '308979', '372583', '404775', '404780', '404796', '404806', '404826', '405364']
nosy_count = 14.0
nosy_names = ['loewis', 'christian.heimes', 'mcepl', 'r.david.murray', 'dfranke', 'devurandom', 'mcjeff', 'ankitoshniwal', 'Thomas.Waldmann', 'Stijn.Hoop', 'bulb', 'James Shewey', 'richard.security.consultant', 'shoop']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue5004'
versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']

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