related to PR60296 investigation

RMM corruption is really nasty, so abort on locking failures.





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Use apr_pstrmemdup instead of apr_pstrndup when possible.

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Use apr_pstrmemdup instead of apr_pstrndup when possible.
Avoid scanning the first 2 bytes when looking for the | delimiter. it is known to be "${".
Avoid comma separated statements, it is not that usual.

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to cache serialized EVP_PKEYs not any char * blobs), and document.

* modules/ssl/ssl_util.c (ssl_asn1_table_set): Take the EVP_PKEY and
  serialize internally.  Use ap_realloc.  Return the ssl_asn1_t *
  pointer.  Don't call apr_hash_set() for unchanged pointer case.

* modules/ssl/ssl_engine_pphrase.c (ssl_load_encrypted_pkey):
  Adjust for the above.

* modules/ssl/ssl_private.h: Adjust as above, add docs.


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  second argument.

* modules/ssl/ssl_engine_pphrase.c (ssl_load_encrypted_pkey): Adjust
  accordingly.


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  Remove modssl_read_encrypted_pkey() and helpers, added in r1804087
  but never used.


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consistency.


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  Simplify code, no functional change.


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for PKCS#11 URIs only, and PIN entry is not threaded through
SSLPassPhraseDialog config yet.

* modules/ssl/ssl_util.c (modssl_is_engine_key): New function.

* modules/ssl/ssl_engine_config.c (ssl_cmd_SSLCertificateKeyFile):
  Use it, skip check for file existence for engine keys.

* modules/ssl/ssl_engine_pphrase.c (modssl_load_engine_pkey):
  New function.

* modules/ssl/ssl_engine_init.c (ssl_init_server_certs):
  For engine keys, load via modssl_load_engine_pkey.

Submitted by: Anderson Sasaki <ansasaki redhat.com>, jorton


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Modifying the number of proxy balancers or balancer members on restart
could have prevented the server to load, notably on Windows.  PR 62308.

The generation number integrated in the SHM filename allows to create a
new/resized SHM while the previous is still in use by previous generation
gracefully shutting down (Windows prevents SHM/file to be removed in this
case, but even on Unix(es) an unlinked file might not be re-openable while
an inode exists). The generation number is added/incremented only if the
size requirement changed, such that unrelated restarts continue to share
SHMs between generations.

The cleanup handling is also simplified because both the parent process and
the Windows child process need to cleanup everything on exit. This translates
to cleanup_slotmem() being always registered but in the dry load state
(AP_SQ_MS_CREATE_PRE_CONFIG), for both cases still.



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  config_vars.mk.


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  for a DSO build.


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Proposed by: Ewald Dieterich <ewald mailbox.org>
Reviewed by: ylavic



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Also adds a comment and a CHANGES entry.


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mod_http2: restoring the v1.10.16 keepalive timeout behavioud of mod_http2 (to be verified).



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mod_http2: adding an abort function to slave connections' pools, so out-of-memory
     events lead to a control process abort, as on HTTP/1.x connections.



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Use below pending_data logic for EOS bucket.
This closes #48


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mod_http2: adding regular memory cleanup when transferring large response bodies. This
     reduces memory footprint and avoids memory exhaustion when transferring large files
     on 32-bit architectures. Fixes PR 62325. 



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We already know the length of the string we want to copy, so use 'apr_pstrmemdup()' instead of 'apr_strdup()'.

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Rename ap_fgetline_impl() to ap_fgetline_core(), and do missing EBCDIC
translation in ap_fgetline().

Also restore EBCDIC translation for ap_getline(), as noted by Ruediger this
was changed (unexpectedly) in r1829659.



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