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Sanitise color control responses for shells that still dont use the kitty keyboard protocol

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Kovid Goyal 2026-06-09 06:21:15 +05:30
parent 79a768ed55
commit 424fe9991b
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kitty/window.py
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@ -551,6 +551,8 @@ def color_control(cp: ColorProfile, code: int, value: str | bytes | memoryview =
if isinstance(value, (bytes, memoryview)): if isinstance(value, (bytes, memoryview)):
value = str(value, 'utf-8', 'replace') value = str(value, 'utf-8', 'replace')
responses: dict[str, str] = {} responses: dict[str, str] = {}
# Only printable ASCII payload allowed as it is echoed back
value = re.sub(r'[^ -~]', '', value)
for rec in value.split(';'): for rec in value.split(';'):
key, sep, val = rec.partition('=') key, sep, val = rec.partition('=')
if key.startswith('transparent_background_color'): if key.startswith('transparent_background_color'):