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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14597) Native compilation broken with OpenSSL-1.1.0 because EVP_CIPHER_CTX has been made opaque
Date Thu, 29 Jun 2017 01:29:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16067560#comment-16067560
] 

Allen Wittenauer commented on HADOOP-14597:
-------------------------------------------

I think the problem might be that we're in JNI-land.  Which means they need to be dynamically
loaded.  If you look at the top of the file, you'll see a bunch of dlsym definitions.  We
need to do the same thing with these routines, and then call them with the dlsym_ name.

One concern I've got is that it doesn't look like _encrypting is meant to be a public API.

> Native compilation broken with OpenSSL-1.1.0 because EVP_CIPHER_CTX has been made opaque
> ----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-14597
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14597
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 3.0.0-alpha4
>         Environment: openssl-1.1.0
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>         Attachments: HADOOP-14597.00.patch, HADOOP-14597.01.patch, HADOOP-14597.02.patch,
HADOOP-14597.03.patch
>
>
> Trying to build Hadoop trunk on Fedora 26 which has openssl-devel-1.1.0 fails with this
error
> {code}[WARNING] /home/raviprak/Code/hadoop/trunk/hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/crypto/OpensslCipher.c:
In function ‘check_update_max_output_len’:
> [WARNING] /home/raviprak/Code/hadoop/trunk/hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/crypto/OpensslCipher.c:256:14:
error: dereferencing pointer to incomplete type ‘EVP_CIPHER_CTX {aka struct evp_cipher_ctx_st}’
> [WARNING]    if (context->flags & EVP_CIPH_NO_PADDING) {
> [WARNING]               ^~
> {code}
> https://github.com/openssl/openssl/issues/962 mattcaswell says
> {quote}
> One of the primary differences between master (OpenSSL 1.1.0) and the 1.0.2 version is
that many types have been made opaque, i.e. applications are no longer allowed to look inside
the internals of the structures
> {quote}



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