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Michael Brown 5a6ed90a00 [crypto] Allow for zero-length ASN.1 cursors
The assumption in asn1_type() that an ASN.1 cursor will always contain
a type byte is incorrect.  A cursor that has been cleanly invalidated
via asn1_invalidate_cursor() will contain a type byte, but there are
other ways in which to arrive at a zero-length cursor.

Fix by explicitly checking the cursor length in asn1_type().  This
allows asn1_invalidate_cursor() to be reduced to simply zeroing the
length field.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
2016-03-11 16:58:51 +00:00
contrib [errdb] Strip platform error code for non-platform-generated errors 2013-04-29 15:36:32 +01:00
src [crypto] Allow for zero-length ASN.1 cursors 2016-03-11 16:58:51 +00:00
COPYING [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.GPLv2 [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.UBDL [legal] Add support for the Unmodified Binary Distribution Licence 2015-03-02 12:07:14 +00:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org