[xmlsec] problem with raw-x509-cert

[Leif Johansson]

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I've run into a strange problem that manifests itself when I use the
python bindings for xmlsec [1] although from what I can tell (cf below)
the problem seems to be in libxmlsec.

The issue is related to the use of the "raw-x509-cert" data klass.

The python code calls xmlSecKeyReadBinaryFile to read a file containing
a DER encoded X509 certificate (1st arg is xmlSecKeyDataRawX509CertId).

In xmlSecKeyReadBinaryFile, xmlSecKeyReadBuffer is called which in
turn calls xmlSecKeyInfoCtxInitialize to initialize a xmlSecKeyInfoCtx.

Here is where it breaks for me!

This is what the call to xmlSecKeyInfoCtxInitialize in
xmlSecKeyReadBuffer looks like in version 1.2.18 (~ src/keys.c:1173):

ret = xmlSecKeyInfoCtxInitialize(&keyInfoCtx, NULL);

However almost immediately in xmlSecKeyInfoCtxInitialize there is this:

xmlSecAssert2(keyInfoCtx->keysMngr != NULL, -1);

which of course fails. Clearly this code-path can't work, right? Either
the assert is wrong or that keyInfoCtx needs a way to find its keysMngr.

	Cheers Leif


[1] http://pypi.python.org/pypi/dm.xmlsec.binding
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