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* Work around issues fetching session dataSimo Sorce2017-03-241-23/+190
| | | | | | | | | | | | | | | | | | | Unfortunately the MIT krb5 library has a severe limitation with FILE ccaches when retrieving config data. It will always only search until the first entry is found and return that one. For FILE caches MIT krb5 does not support removing old entries when a new one is stored, and storage happens only in append mode, so the end result is that even if an update is stored it is never returned with the standard krb5_cc_get_config() call. To work around this issue we simply implement what krb5_cc_get_config() does under the hood with the difference that we do not stop at the first match but keep going until all ccache entries have been checked. Related https://pagure.io/freeipa/issue/6775 Signed-off-by: Simo Sorce <simo@redhat.com>
* Avoid growing FILE ccaches unnecessarilySimo Sorce2017-03-231-0/+6
| | | | | | Related https://pagure.io/freeipa/issue/6775 Signed-off-by: Simo Sorce <simo@redhat.com>
* Python 3: Fix session storageChristian Heimes2017-03-151-1/+18
| | | | | | | | ctypes can only handle bytes, not text. Encode and decode all incoming and outgoing text from UTF-8 to bytes. Signed-off-by: Christian Heimes <cheimes@redhat.com> Reviewed-By: Simo Sorce <ssorce@redhat.com>
* Store session cookie in a ccache optionSimo Sorce2017-03-101-0/+197
Instead of using the kernel keyring, store the session cookie within the ccache. This way kdestroy will really wipe away all credentials. Ticket: https://pagure.io/freeipa/issue/6661 Signed-off-by: Simo Sorce <simo@redhat.com> Reviewed-By: Martin Basti <mbasti@redhat.com> Reviewed-By: Christian Heimes <cheimes@redhat.com>