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More debugging


More debug messaging... useful for tracking down
if we used attach or create

c89 fix


follow-up to r1562472, 1561262, and 1561923:

Improve messaging...

* easier to tell what went wrong in some cases
* reduce number of debug messages without losing information in some cases

Submitted by: jim, covener, trawick
Reviewed/backported by: jim


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    restore http://svn.apache.org/viewvc?view=revision&revision=233369
    under a configurable option: don't run mod_dir if r->handler is already set.

Backported by: covner
Reviewed By: jim, ylavic



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* Do not perform SNI / Host header comparison in case of a forward proxy request as
  in case of a forward proxy request the host header can not be used for virtual
  host selection in our webserver.


* Update comment. No functional change.

* Put a note in CHANGES about r1553204
Submitted by: rpluem
Reviewed/backported by: jim


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Throw away the myCtxVar{Set,Get} abomination and introduce
a pphrase_cb_arg_t struct instead, for passing stuff between
ssl_pphrase_Handle and ssl_pphrase_Handle_CB. Prefer struct
members instead of using additional local variables, to make
the data flow more transparent. (Doesn't "vastly simplify"
the code yet, but hopefully we'll get there when further
stripping down ssl_pphrase_Handle.)


Remove the hardcoded algorithm-type dependency for the SSLCertificateFile
and SSLCertificateKeyFile directives, and deprecate SSLCertificateChainFile

Splitting the patch into smaller pieces turned out to be infeasible,
unfortunately, due to the heavily intertwined code in ssl_engine_config.c,
ssl_engine_init.c and ssl_engine_pphrase.c, which all depends on the
modssl_pk_server_t data structure. For better comprehensibility,
a detailed listing of the changes follows:

ssl_private.h
- drop the X509 certs and EVP_PKEY keys arrays from modssl_pk_server_t
- use apr_array_header_t for cert_files and key_files
- drop tPublicCert from SSLModConfigRec
- drop the ssl_algo_t struct and the SSL_ALGO_* and SSL_AIDX_* constants

ssl_engine_config.c
- change to apr_array_header_t for SSLCertificate[Key]File
- drop ssl_cmd_check_aidx_max, i.e. allow an arbitrary number of certs
  and keys (in theory; currently OpenSSL does not support more than
  one cert/key per algorithm type)
- add deprecation warning for SSLCertificateChainFile

ssl_engine_init.c
- configure server certs/keys in ssl_init_server_certs (no longer via
  ssl_pphrase_Handle in ssl_init_Module)
- in ssl_init_server_certs, read in certificates and keys with standard
  OpenSSL API functions (SSL_CTX_use_*_file), and only fall back to
  ssl_load_encrypted_pkey when encountering an encrypted private key
- drop ssl_server_import_cert, ssl_server_import_key, ssl_init_server_check,
  and ssl_init_ctx_cleanup_server
- move the "problematic re-initialization" check to ssl_init_server_ctx

ssl_engine_pphrase.c
- use servername:port:index as the key identifier, instead of the
  previously used servername:port:algorithm
- ssl_pphrase_Handle overhaul: remove all cert/public-key handling,
  make it only load a single (encrypted) private key, and rename
  to ssl_load_encrypted_pkey
- in the passphrase prompt message, show the private key file name
  instead of the vhost id and the algorithm name
- do no longer supply the algorithm name as an argument to "exec"-type
  passphrase prompting programs

ssl_util.c
- drop ssl_util_algotypeof, ssl_util_algotypestr, ssl_asn1_keystr,
  and ssl_asn1_table_keyfmt

ssl_util_ssl.{c,h}
- drop SSL_read_X509
- constify the filename arg for SSL_read_PrivateKey


CodeWarrior compiler doesnt allow vars as struct inits.


Remove per-certificate chain handling code (obsoleted by
https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=b9fa413a08d436d6b522749b5e808fcd931fd943)


make the ppcb_arg initialization a bit more uniform and easier to read

Followup fix for r1553824:

also pass the file name to ssl_load_encrypted_pkey, to make sure that we
retry with the same filename we used for SSL_CTX_use_PrivateKey_file first


With OpenSSL 1.0.2 or later, enable OCSP stapling in a loop based on
SSL_CTX_set_current_cert(), near the end of ssl_init_server_ctx.


update APLOGNO for r1564760
Submitted by: kbrand, fuankg, kbrand, kbrand, kbrand, kbrand, kbrand
Reviewed/backported by: jim


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Cleanup the client to backend brigade before returning an error (if any) to avoid buckets lifetime issues (backend connection's pool destroyed before request's one). PR 50335.
Suggested by rpluem.

Submitted by: ylavic
Reviewed/backported by: jim


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mod_proxy_http: don't recycle backend connections known to be closed (eg. EOS by close).
This saves a useless ap_is_socket_connected() call when reused.

Submitted by: ylavic
Reviewed/backported by: jim


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Log an error in mod_proxy_http when reading the request body fails.
Follow-up to r1538776 where incomplete bodies are detected and an error returned through the input filters.


Submitted by: ylavic
Reviewed/backported by: jim


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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr>

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Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr>

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