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wscutil: Relax OS_VERSION parser

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Apple implementations seem to not set the MSB bit to 1.
This commit is contained in:
Denis Kenzior 2016-08-18 16:48:13 -05:00
parent 2ec8f0e17d
commit a867076c3e
1 changed files with 3 additions and 3 deletions
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6
src/wscutil.c
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@ -356,10 +356,10 @@ static bool extract_os_version(struct wsc_attr_iter *iter, void *data)
* The OS Version component indicates what operating system is running * The OS Version component indicates what operating system is running
* on the device. It is a four-byte field. The most significant bit is * on the device. It is a four-byte field. The most significant bit is
* reserved and always set to one. * reserved and always set to one.
*
* We do not strictly check this as at least Apple's WPS implementation
* does not set the MSB to 1.
*/ */
if ((v & 0x80000000) == 0)
return false;
*out = v & 0x7fffffff; *out = v & 0x7fffffff;
return true; return true;
} }