Build failed in Hudson: 3.HEAD-amd64-FreeBSD-7.2 #410

See <http://build.squid-cache.org/job/3.HEAD-amd64-FreeBSD-7.2/410/changes>

Changes:

[Amos Jeffries <squid3_at_treenet.co.nz>] Bug 2305: Multiple leaks and assertion crashes in authentication.

* implements proper RefCounting using the RefCount.h classes for
almost all auth objects in Squid.

* Restructures auth objects with a simpler structure of duties and scopes.

* Prunes away several circular and indirectly circular pointer loops

* Adds an API to auth config for handling the mainRotate() event. To only
shutdown helpers, fixing the loss of cached credentials on rotate.

* Adds a username_cache page to cachemgr interface to display the current
credentials and their TTLs to various revalidation or garbage events.

With this we end up with several global pointers for the auth schemes which
have been built into the current Squid. These are RefCount pointers, fixing
the leak of schemes on shutdown. Schemes are now also permanent structures
for the runtime of Squid, fixing leaks on reconfigure and rotate actions.

These AuthSchemes are responsible for creating auth Config objects for each
auth protocol configured in squid.conf. These config objects are now also
able to be altered with a reconfigure instead of requiring a restart.

Each HTTP request authentication attempt generates AuthUserRequest objects,
which may or may not pointer to an AuthUser set of credentials being checked.
AuthUserRequest is RefCounted instead of locked, fixing several assertion
crashes.

AuthUser is now RefCounted instead of locked. It's children inherit
these properties. This simplifies the object handling a lot and fixes
several assertions.
* This also means AuthUser no longer needs a back-pointer to all
AuthUserRequest in order to see if its still needed alive, fixing one
circular lock loop and a few possible assertions.
* The username cache pointers to only AuthUser objects, fixing a second
cirular lock loop and potentially leakage. Also simplifying the hash cache
handling a lot.

Non-Auth code needing a reference to authentication credentials should
hold a pointer to either an AuthUserRequest or AuthUser object. Not any
other auth object.

FUTURE WORK;
There is still some conditions leading to auth re-challenge when they
are not expected.
A fair chunk of classes and enums have been shuffled into separate files
to keep the scopes clearer. This could be increased in future when
building the Auth namespace.
Potential is now present for simpler TTL handling for all auth types.

This work was a collaboration between multiple interested parties over
the last year, with additional developer time and testing funded by
Netspace Online Systems.

[Automatic source maintenance <squidadm_at_squid-cache.org>] SourceFormat Enforcement

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ERROR: files left in build directory after distclean:
./src/auth/AuthType.cc
*** Error code 1

Stop in /usr<http://build.squid-cache.org/job/3.HEAD-amd64-FreeBSD-7.2/ws/btlayer-00-default/squid-3.HEAD-BZR/_build.>
*** Error code 1

Stop in /usr<http://build.squid-cache.org/job/3.HEAD-amd64-FreeBSD-7.2/ws/btlayer-00-default.>
buildtest.sh result is 1
BUILD: .././test-suite/buildtests/layer-00-default.opts
ERROR: files left in build directory after distclean:
*** Error code 1
*** Error code 1
Build FAILED.
Received on Wed Jun 02 2010 - 15:41:58 MDT