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 Topic: apr_crypto_openssl |
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jgsirac
Joined: 28 Oct 2013
Posts: 1
Location: Paris, France
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 Posted: Mon 28 Oct '13 11:33 Post subject: apr_crypto_openssl |
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Hello there,
I am using a vhost with a AuthFormProvider authentification.
If I use the instruction SessionCryptoPassphrase the Apache service crashes with no reason.
I tried the version on ApacheHaus and the same configuration works ok.
As far as I can tell the crash originates from a dll which is missing on ApachaLounge but wich is provided on ApacheHaus: apr_crypto_openssl-1.dll. It seems it is needed to encrypt the session with the provided passphrase.
Can anyone confirm this?
Thanks,
JG
Windows 7 SP1
ApacheLounge: httpd-2.4.6-win32-VC11
PHP: php-5.5.5-Win32-VC11-x86 |
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admin
Site Admin
Joined: 15 Oct 2005
Posts: 679
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| Posted: Mon 28 Oct '13 12:10 Post subject: |
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| Indeed it is not included in the AL build. |
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glsmith
Moderator
Joined: 16 Oct 2007
Posts: 2268
Location: Sun Diego, USA
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| Posted: Mon 28 Oct '13 18:23 Post subject: Re: apr_crypto_openssl |
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| jgsirac wrote: | | As far as I can tell the crash originates from a dll which is missing on ApachaLounge but wich is provided on ApacheHaus: apr_crypto_openssl-1.dll. It seems it is needed to encrypt the session with the provided passphrase |
Technically no, you only need that if you want to use OpenSSL as the encryption driver.
SessionCryptoDriver openssl
There is a crypto layer and built in driver in APR-Util 1.5.x which must be enabled during compile to be included. If this is not enabled up front, then the crypto will not work regardless and it is disabled by default.
ApacheHaus enables this crypto layer before compile and as a bonus includes the OpenSSL driver (apr_crypto_openssl-1.dll) since OpenSSL is already being used by the server for HTTPS. Apparently, ApacheLounge doesn't enable this before compile.
If you are not specifying openssl as the encryption driver with the SessionCryptoDriver directive, you are really just using the one built into APR-Util and could remove the apr_crypto_openssl-1.dll file and it would still work on the ApacheHaus builds. |
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admin
Site Admin
Joined: 15 Oct 2005
Posts: 679
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| Posted: Mon 28 Oct '13 18:48 Post subject: |
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| Crypto is enabled in the AL build, no OpenSSL crypto, only build-in apr crypto. |
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glsmith
Moderator
Joined: 16 Oct 2007
Posts: 2268
Location: Sun Diego, USA
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| Posted: Mon 28 Oct '13 19:14 Post subject: |
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Then either there is a bug or the documentation is wrong, or my understanding is incorrect (more likely). I just gave it a test and did not like the results I'm finding.
| Apache Docs wrote: | | The SessionCryptoDriver directive specifies the name of the crypto driver to be used for encryption. If not specified, the driver defaults to the recommended driver compiled into APR-util. |
Yet if I use SessionCryptoPassphrase without specifying a driver or the openssl dll presernt I get;
[Mon Oct 28 10:04:13.042200 2013] [session_crypto:error] [pid 5596:tid 796] (OS 126)The specified module could not be found. : AH01845: The crypto library 'openssl' could not be loaded: The specified module could not be found. (: 0)
So, I guess for crypto to really work on Windows, at least one of the drivers must be present. |
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