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| author | Ronald Oussoren <ronaldoussoren@mac.com> | 2020-10-19 18:16:21 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-10-19 18:16:21 (GMT) |
| commit | 93a1ccabdede416425473329b8c718d507c55e29 (patch) | |
| tree | daa75975185560298a093d79ac213834881a0064 /Lib/urllib | |
| parent | 05ee790f4d1cd8725a90b54268fc1dfe5b4d1fa2 (diff) | |
| download | cpython-93a1ccabdede416425473329b8c718d507c55e29.zip cpython-93a1ccabdede416425473329b8c718d507c55e29.tar.gz cpython-93a1ccabdede416425473329b8c718d507c55e29.tar.bz2 | |
bpo-41471: Ignore invalid prefix lengths in system proxy settings on macOS (GH-22762)
Diffstat (limited to 'Lib/urllib')
| -rw-r--r-- | Lib/urllib/request.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py index 2a3d715..a8c870b 100644 --- a/Lib/urllib/request.py +++ b/Lib/urllib/request.py @@ -2596,6 +2596,11 @@ def _proxy_bypass_macosx_sysconf(host, proxy_settings): mask = 8 * (m.group(1).count('.') + 1) else: mask = int(mask[1:]) + + if mask < 0 or mask > 32: + # System libraries ignore invalid prefix lengths + continue + mask = 32 - mask if (hostIP >> mask) == (base >> mask): |