Message 84134 - Python tracker

Message84134

Author	vstinner
Recipients	amaury.forgeotdarc, pitrou, sjoerd, vstinner
Date	2009-03-25.00:34:47
SpamBayes Score	3.964906e-08
Marked as misclassified	No
Message-id	<1237941293.24.0.742587119029.issue4591@psf.upfronthosting.co.za>
In-reply-to

Content
pitrou> The documentation for PyArg_ParseTuple states that the pitrou> "I" code doesn't do any overflow checking. Does it mean pitrou> the input parameters can be silently truncated? I'm sorry, but you're right :-) My patch was wrong. New patch introduces functions parse_uid() and parse_gid() doing the right thing to get an unsigned uid and gid. I reused the parsing code from posix_setgroups().

Content

pitrou> The documentation for PyArg_ParseTuple states that the 
pitrou> "I" code doesn't do any overflow checking. Does it mean 
pitrou> the input parameters can be silently truncated?

I'm sorry, but you're right :-) My patch was wrong. New patch 
introduces functions parse_uid() and parse_gid() doing the right thing 
to get an unsigned uid and gid. I reused the parsing code from 
posix_setgroups().

History
Date	User	Action	Args
2009-03-25 00:34:53	vstinner	set	recipients: + vstinner, sjoerd, amaury.forgeotdarc, pitrou
2009-03-25 00:34:53	vstinner	set	messageid: <1237941293.24.0.742587119029.issue4591@psf.upfronthosting.co.za>
2009-03-25 00:34:51	vstinner	link	issue4591 messages
2009-03-25 00:34:51	vstinner	create