when failing to write to the log file. 

Sometimes users have a hard time believing that their little log
file was really big enough to reach quota/filesystem/other limit
back at the time of the error.



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Move the initialization of rebind to the post_config handler so that it is done during the actual module load stage rather than the preload stage.  If done during the preload stage, the pool passed into the initialization function will be cleared and all allocations will be freed. 

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function, akin to dbd_param_flag().  Only needed when APR_HAS_THREADS.


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callback in case they are loaded individually without mod_authn_core.


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both inside and outside the location/directory sections, as suggested
by wrowe.


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in using an HTML form, storing the credentials within mod_session.


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form request with the type of application/x-www-form-urlencoded.


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for memcache:

* modules/cache/ap_socache.h (struct ap_socache_hints): New structure.
  Change init callback to take namespace string and hints structure pointer.

* modules/cache/mod_socache_dc.c (socache_dc_init): Adjust accordingly.

* modules/cache/mod_socache_dbm.c (struct ap_socache_instance_t): Rename
  timeout field to expiry_interval.
  (socache_dbm_init, socache_dbm_create): Take expiry interval from
  hints rather than hard-code to 30.
  (socache_dbm_expire): Update for timeout field rename.

* modules/cache/mod_socache_shmcb.c (socache_shmcb_init): Adjust for
  hints and namespace; adjust subcache index sizing heuristics to use
  passed-in hints.

* modules/cache/mod_socache_memcache.c (struct ap_socache_instance_t):
  Add tag, taglen fields.
  (socache_mc_init): Store the passed-in namespace in instance
  structure.
  (mc_session_id2sz): Adjust to not take context, use configured
  tag as string prefix, and not use a return value.
  (socache_mc_store, socache_mc_retrieve, socache_mc_remove):
  Adjust for mc_session_id2sz interface changes.

* modules/ssl/ssl_scache.c (ssl_scache_init): Pass namespace and hints
  to socache provider init function.


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* modules/ssl/ssl_scache.c: Switch to using socache constants.


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Switch mod_ssl to use the ap_socache interface.

* modules/ssl/ssl_scache_shmcb.c, modules/ssl/ssl_scache_memcache.c,
  modules/ssl/ssl_scache_dc.c, modules/ssl/ssl_scache_dbm.c: Remove
  files.

* modules/ssl/mod_ssl.c (modssl_register_scache): Remove function.

* modules/ssl/ssl_private.h: Remove modssl_sesscache_provider etc.
  (SSLModConfigRec): Switch to using socache types.

* modules/ssl/ssl_engine_config.c (ssl_cmd_SSLSessionCache): Switch to
  use socache provider.

* modules/ssl/ssl_engine_mutex.c, modules/ssl/ssl_scache.c: Switch to
  using socache constants.

* modules/ssl/config.m4: Drop distache/memcache configuration, remove
  old objects.


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  Adjust the provider interface to use this instance type throughout.

* modules/cache/mod_socache_dbm.c,
  modules/cache/mod_socache_memcache.c,
  modules/cache/mod_socache_shmcb.c,
  modules/cache/mod_socache_dc.c: Adjust all implementations to 
  define the instance object in place of the "struct context", and
  to take this object directly in the provider interface.


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  Changes to mod_session.c only fix line endings again. No functional
  changes.


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Abstract out the mod_ssl session caching interface into a separate set
of modules, mod_socache_*.

* modules/cache/ap_socache.h: New file.

* modules/cache/config.m4: Copy CHECK_DISTCACHE from ../ssl/config.m4; 
  add new socache modules.

* modules/cache/mod_socache_dbm.c: Copied from ../ssl/ssl_scache_dbm.c.
  s/ssl_scache_/socache_/; add module structure and register_hooks.

* modules/cache/mod_socache_shmcb.c: Copied from ../ssl/ssl_scache_shmcb.c.
  s/ssl_scache_/socache_/; add module structure and register_hooks.
  Add SHMCB_MAX_SIZE definition, replacing APR_SHM_MAXSIZE.

* modules/cache/mod_socache_memcache.c: Copied from
  ../ssl/ssl_scache_memcache.c.
  s/ssl_scache_/socache_/; add module structure and register_hooks.
  Enable for APR-Util 1.3.x at compile-time, omitting configure-time
  checks.

* modules/cache/mod_socache_dc.c: Copied from ../ssl/ssl_scache_dc.c.
  s/ssl_scache_/socache_/; add module structure and register_hooks.


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