[asterisk-dev] [Code Review] 3709: configure.ac: Check OpenSSL for support of Elliptic Curve cryptography

[Matt Jordan]

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Review request for Asterisk Developers.


Bugs: ASTERISK-23905
    https://issues.asterisk.org/jira/browse/ASTERISK-23905


Repository: Asterisk


Description
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Review https://reviewboard.asterisk.org/r/3647/ introduced PFS in Asterisk that depends on the elliptic curve library support being present in OpenSSL. As it turns out, some versions of OpenSSL don't have this library - notably the version running on our build agents.

This patch fixes the build by providing a configure check for the specific library calls that the PFS patch relies on.


Diffs
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  /trunk/main/tcptls.c 417876 
  /trunk/include/asterisk/autoconfig.h.in 417876 
  /trunk/configure.ac 417876 
  /trunk/configure UNKNOWN 

Diff: https://reviewboard.asterisk.org/r/3709/diff/


Testing
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With ec.h present, Asterisk detects the header via the presence of the specified function and sets HAVE_OPENSSL_EC to 1.

Without ec.h present, Asterisk does not detect the file. HAVE_OPENSSL_EC is 0, and the build succeeds.


Thanks,

Matt Jordan

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