[asterisk-bugs] [JIRA] (ASTERISK-27905) [patch] res_srtp: Repair ./configure --with-ssl=PATH.

[Asterisk Team (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27905?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Asterisk Team updated ASTERISK-27905:
-------------------------------------

    Target Release Version/s: 13.22.0

> [patch] res_srtp: Repair ./configure --with-ssl=PATH.
> -----------------------------------------------------
>
>                 Key: ASTERISK-27905
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27905
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_srtp
>    Affects Versions: 13.21.0, 15.4.0
>            Reporter: Alexander Traud
>            Assignee: Alexander Traud
>              Labels: patch
>      Target Release: 13.22.0
>
>         Attachments: with-ssl_srtp.patch
>
>
> With the upcoming [TLS 1.3|https://tools.ietf.org/html/draft-ietf-tls-tls13] and 3DES being [disabled|https://www.openssl.org/blog/blog/2016/08/24/sweet32/] in OpenSSL 1.1.x, using a custom build OpenSSL library for SIP-over-TLS might be interesting.
> This is sequel 4 of a larger fix, which started in ASTERISK-27865. Commit [5212020|https://github.com/asterisk/asterisk/commit/52120204c9a538e00679461ec5404d04a07e57f4] (ASTERISK-24436) introduced this issue here. Consequently, I introduced this issue myself. When a source file includes a header from an optional package (for example OpenSSL), one has to specify either
> A) {{xyz.o: _ASTCFLAGS+=$(OPENSSL_INCLUDE)}} in its Makefile, or
> B) {{<depend>openssl</depend>}} in its {{MODULEINFO}}, or
> C) {{<use type="external">openssl</use>}} in its {{MODULEINFO}}.
> The latter is for modules which can be used/built without that external library. When OpenSSL was detected by the script {{./configure}}, the build system of Asterisk adds the required include path. Without, the path of {{--with-ssl}} is not honored and those headers are searched within the system only.
> *Steps to Reproduce* (Ubuntu 18.04 LTS)
> {code}sudo apt install build-essential pkg-config libedit-dev libjansson-dev libsqlite3-dev uuid-dev libxslt1-dev
> sudo apt install libsrtp2-dev
> sudo apt remove libssl-dev
> cd ~/Downloads
> wget www.openssl.org/source/openssl-1.1.1-pre6.tar.gz
> tar -zxf ./openssl-*.tar.gz
> cd ./openssl-*
> ./config shared enable-weak-ssl-ciphers
> make
> export SSL_HOME=$PWD
> cd ~/Downloads
> wget downloads.asterisk.org/pub/telephony/asterisk/asterisk-13-current.tar.gz
> tar -zxf ./asterisk-*.tar.gz
> cd ./asterisk-*
> LDFLAGS="-Wl,-rpath $SSL_HOME" ./configure --enable-dev-mode=noisy --with-crypto=$SSL_HOME --with-ssl=$SSL_HOME
> make{code}*Expected Result*
> Should build without any problem.
> *Actual Result*
> {{fatal error: 'openssl/rand.h' file not found}}
> *Workaround*
> Install headers of OpenSSL in the system, for example in Ubuntu via
> {{sudo apt install libssl-dev}}
> *Notes*
> Thanks to the 'noisy' developer mode (see the configure option), the cause was found quite fast.



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