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Previously sessions expired after session_auth_duration had elapsed
commencing from the start of the session. We new support a "rolling"
expiration where the expiration is advanced by session_auth_duration
everytime the session is accessed, this is equivalent to a inactivity
timeout. The expiration is still constrained by the credential
expiration in all cases. The session expiration behavior is
configurable based on the session_auth_duration_type.
* Reduced the default session_auth_duration from 1 hour to 20 minutes.
* Replaced the sesssion write_timestamp with the access_timestamp and
update the access_timestamp whenever the session data is created,
retrieved, or written.
* Modify set_session_expiration_time to handle both an inactivity
timeout and a fixed duration.
* Introduce KerberosSession as a mixin class to share session
duration functionality with all classes manipulating session data
with Kerberos auth. This is both the non-RPC login class and the RPC
classes.
* Update make-lint to handle new classes.
* Added session_auth_duration_type config item.
* Updated default.conf.5 man page for new session_auth_duration_type item.
* Removed these unused config items: mount_xmlserver,
mount_jsonserver, webui_assets_dir
https://fedorahosted.org/freeipa/ticket/2392
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* Increase the session ID from 48 random bits to 128.
* Implement the sesison_logout RPC command. It permits the UI to send
a command that destroys the users credentials in the current
session.
* Restores the original web URL's and their authentication
protections. Adds a new URL for sessions /ipa/session/json. Restores
the original Kerberos auth which was for /ipa and everything
below. New /ipa/session/json URL is treated as an exception and
turns all authenticaion off. Similar to how /ipa/ui is handled.
* Refactor the RPC handlers in rpcserver.py such that there is one
handler per URL, specifically one handler per RPC and AuthMechanism
combination.
* Reworked how the URL names are used to map a URL to a
handler. Previously it only permitted one level in the URL path
hierarchy. We now dispatch on more that one URL path component.
* Renames the api.Backend.session object to wsgi_dispatch. The use of
the name session was historical and is now confusing since we've
implemented sessions in a different location than the
api.Backend.session object, which is really a WSGI dispatcher, hence
the new name wsgi_dispatch.
* Bullet-proof the setting of the KRB5CCNAME environment
variable. ldap2.connect already sets it via the create_context()
call but just in case that's not called or not called early enough
(we now have other things besides ldap which need the ccache) we
explicitly set it early as soon as we know it.
* Rework how we test for credential validity and expiration. The
previous code did not work with s4u2proxy because it assumed the
existance of a TGT. Now we first try ldap credentials and if we
can't find those fallback to the TGT. This logic was moved to the
KRB5_CCache object, it's an imperfect location for it but it's the
only location that makes sense at the moment given some of the
current code limitations. The new methods are KRB5_CCache.valid()
and KRB5_CCache.endtime().
* Add two new classes to session.py AuthManager and
SessionAuthManager. Their purpose is to emit authication events to
interested listeners. At the moment the logout event is the only
event, but the framework should support other events as they arise.
* Add BuildRequires python-memcached to freeipa.spec.in
* Removed the marshaled_dispatch method, it was cruft, no longer
referenced.
https://fedorahosted.org/freeipa/ticket/2362
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This patch adds a session manager and support for caching
authentication in the session. Major elements of the patch are:
* Add a session manager to support cookie based sessions which
stores session data in a memcached entry.
* Add ipalib/krb_utils.py which contains functions to parse ccache
names, format principals, format KRB timestamps, and a KRB_CCache
class which reads ccache entry and allows one to extract information
such as the principal, credentials, credential timestamps, etc.
* Move krb constants defined in ipalib/rpc.py to ipa_krb_utils.py so
that all kerberos items are co-located.
* Modify javascript in ipa.js so that the IPA.command() RPC call
checks for authentication needed error response and if it receives
it sends a GET request to /ipa/login URL to refresh credentials.
* Add session_auth_duration config item to constants.py, used to
configure how long a session remains valid.
* Add parse_time_duration utility to ipalib/util.py. Used to parse the
session_auth_duration config item.
* Update the default.conf.5 man page to document session_auth_duration
config item (also added documentation for log_manager config items
which had been inadvertantly omitted from a previous commit).
* Add SessionError object to ipalib/errors.py
* Move Kerberos protection in Apache config from /ipa to /ipa/xml and
/ipa/login
* Add SessionCCache class to session.py to manage temporary Kerberos
ccache file in effect for the duration of an RPC command.
* Adds a krblogin plugin used to implement the /ipa/login
handler. login handler sets the session expiration time, currently
60 minutes or the expiration of the TGT, whichever is shorter. It
also copies the ccache provied by mod_auth_kerb into the session
data. The json handler will later extract and validate the ccache
belonging to the session.
* Refactored the WSGI handlers so that json and xlmrpc could have
independent behavior, this also moves where create and destroy
context occurs, now done in the individual handler rather than the
parent class.
* The json handler now looks up the session data, validates the ccache
bound to the session, if it's expired replies with authenicated
needed error.
* Add documentation to session.py. Fully documents the entire process,
got questions, read the doc.
* Add exclusions to make-lint as needed.
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Having float type as a base type for floating point parameters in
ipalib introduces several issues, e.g. problem with representation
or value comparison. Python language provides a Decimal type which
help overcome these issues.
This patch replaces a float type and Float parameter with a
decimal.Decimal type in Decimal parameter. A precision attribute
was added to Decimal parameter that can be used to limit a number
of decimal places in parameter representation. This approach fixes
a problem with API.txt validation where comparison of float values
may fail on different architectures due to float representation error.
In order to safely transfer the parameter value over RPC it is
being converted to string which is then converted back to
decimal.Decimal number on a server side.
https://fedorahosted.org/freeipa/ticket/2260
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If "make rpms" fails it doesn't clean up the rpmbuild directory it created.
The next make-lint will also fail because it finds files under rpmbuild.
make-lint is invoked by "make rpms", a vicous cycle.
The patch contains two sets of changes
Include "rpmbuild" in the IGNORE_PATHS list of make-lint.
Fix the Makefile to use $(RPMBUILD) consistently, there were a number
of hardcoded uses of "rpmbuild" as a direcotry.
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ticket 2136
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enabled for a specific parameter by setting the "csv" option to True.
Remove "List" parameter type and replace all occurences of it with appropriate
multi-valued parameter ("Str" in most cases) with csv enabled.
Add new parameter type "Any", capable of holding values of any type. This is
needed by the "batch" command, as "Str" is not suitable type for the "methods"
parameter.
ticket 2007
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Report missing python packages, inform about false positives, fail
gracefully if pylint isn't installed. Fixed a bug in the ignore
list and added few more files/directories to it.
ticket 1184
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ticket 867
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