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[2.7] bpo-33542: Ignore DUID in uuid.get_node on Windows. (GH-6922)#7015

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serhiy-storchaka merged 1 commit into
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May 20, 2018
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[2.7] bpo-33542: Ignore DUID in uuid.get_node on Windows. (GH-6922)#7015
serhiy-storchaka merged 1 commit into
python:2.7from
serhiy-storchaka:backport-c66c342-2.7

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@serhiy-storchaka serhiy-storchaka commented May 20, 2018

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uuid._ipconfig_getnode did not validate the maximum length of the value,
so long as the value had the same type of formatting as a MAC address.
This let it select DUIDs as MAC addresses. It now requires an exact
length match..
(cherry picked from commit c66c342)

Co-authored-by: CtrlZvi viz+github@flippedperspective.com

https://bugs.python.org/issue33542

)

uuid._ipconfig_getnode did not validate the maximum length of the value,
so long as the value had the same type of formatting as a MAC address.
This let it select DUIDs as MAC addresses. It now requires an exact
length match..
(cherry picked from commit c66c342)

Co-authored-by: CtrlZvi <viz+github@flippedperspective.com>
@serhiy-storchaka serhiy-storchaka added the type-bug An unexpected behavior, bug, or error label May 20, 2018
@serhiy-storchaka serhiy-storchaka merged commit ea9a099 into python:2.7 May 20, 2018
@serhiy-storchaka serhiy-storchaka deleted the backport-c66c342-2.7 branch May 20, 2018 22:50
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4 participants