It's totally unsafe to use apr_pool_userdata_setn() in the post_config
phase of a module, since on some platforms when the DSO gets reloaded
between phases, the data segment will be at a different address on the
second phase and the userdata_get() call will fail.

PR: 9413
Submitted by: Tsuyoshi Sasamoto <nazonazo@super.win.ne.jp>


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for example: <VirtualHost *:>, for which the core only spits out a warning:
 Name or service not known: Cannot resolve host name *: --- ignoring!


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standard ErrorLog directives.


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The issue is that ssl_log doesn't handle apr_status_t result codes.  This
leads to a number of places (esp. with mutexes) where the error codes get
lost.  Rather than extending ssl_log further, since mod_ssl is part of
our core, migrate to ap_log_error.  This means that mod_ssl no longer
does its own logging.

Most uses of SSL_ADD_ERRNO are now mapped correctly to apr_status_t values
(mainly because the APIs that used to return errnos are now APRized and
have apr_status_t codes available).

SSL_LOG_TRACE and SSL_LOG_DEBUG were mapped to the APLOG_DEBUG values.
mod_ssl prints out a LOT of debugging information, so mod_ssl with LogLevel
Debug may not be a good idea - perhaps mod_ssl should be less chatty.

Numerous printf type collisions were also resolved.

(The ssl logging code itself will be removed in a subsequent commit.)

This has been discussed on dev@httpd, but the fact that there isn't
much to review besides the mindless changes, I'm going to commit now
and rely on CTR if I screwed up anything on the translation.


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ssl_log_ssl_error() function that wraps ap_log_error instead.

This begins the migration from ssl_log() -> ap_log_error().  Divorcing
ourselves from the SSL_ADD_SSLERR option is required to make the next
pass easier.


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get cross-process mutex permissions working.

This is waiting for a proper APR interface, but this does not mean that
we should remain broken in the meantime.


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  Afraid these are likely generated, just something to watch out for
  in the future.  Address PR 8963


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This is admittedly rather ugly code to come up with a unique 4-byte
identifier for the thread.  Since our threads are pthreads and a pthread
maps 1:1 to a TCB, the address of the TCB is sufficient.   Yes, every
TCB sees a different piece of real storage mapped to the first page,
so the code does make sense.


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Fix a case where an invalid pass phrase is entered and an
error message is given, but the prompt is not shown again.
This left the user in an ambiguous state.


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to be unusable with mod_ssl.

PR: 8572


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for one thing.  But it just plain doesn't need it.  Rip it out to avoid
segfaulting.

Submitted by:  Aaron Bannert


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk/modules/ssl@94876 13f79535-47bb-0310-9956-ffa450edef68

- Also a minor change to add more useful error
  logging for shmcb startup failures


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Submitted by: Thom May <thom@planetarytramp.net>


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.y and .l files.  These must be kept newer than those at all times to avoid
introducing a dependency on flex and yacc.


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uses of apr_lock.h [deprecated]. Tested that I could serve simple
SSL (v3) pages.


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Obtained from:
Submitted by:
Reviewed by:
fix compilation problem in ssl_engine_kernel.c
if SSL_LIBRARY_VERSION >= 0x00907000


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Obtained from:
Submitted by:
Reviewed by:
ssl_io_input_read now returns APR_EOF if ssl_io_hook_read returns 0
bytes for a reason other than SSL_ERROR_WANT_READ.  this should
prevent a possible endless loop.


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at this point, so the \r\n\r\n just confuses the http input filter.

One concern: this patch is only correct as long as we only ever call this
function while in AP_MODE_GETLINE.  Ideally we would account for the mode
and return the newlines if not in GETLINE mode, but at the moment it doesn't
seem to matter.

Reviewed by: Doug MacEachern


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk/modules/ssl@94453 13f79535-47bb-0310-9956-ffa450edef68

Obtained from:
Submitted by:
Reviewed by:
avoid the error_log message: [error] mod_ssl: Certificate Verification: Error ...
if SSLProxyVerify is not configured or set to "none".
the verify callback does not happen in the server context when
SSLVerify is not configured or set to "none".


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ssl_cmd_check_dir rather than ssl_cmd_check_file


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Obtained from:
Submitted by:
Reviewed by:    Ryan Bloom
ap_remove_output_filter no longer works for connection filters.
change logic in the case of "HTTP spoken on HTTPS port" to disable the
ssl filters rather than attempt to remove the filters.


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to get these changes working with sslc


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