Asterisk 20.1.0 on Alma 9 - res_srtp.so issue

[jmarkg]

Greetings all, I am attempting to run the latest version of Asterisk (20.1.0) on Alma Linux 9, but am running into an issue, not during installation, but when Asterisk is started. It doesn’t entered a crashed state though, when checking the service status, it is still running. The log /var/log/asterisk/messages.log gets continuously spammed with:

WARNING[62394] res_srtp.c: Failed to initialize libsrtp
ERROR[62394] loader.c: *** Failed to load module res_srtp.so
ERROR[62394] asterisk.c: Module initialization failed. ASTERISK EXITING!!

If I disable the module, or uninstall libsrtp-devel / libsrtp packages before compiling, asterisk runs just fine. If anyone has any suggestions, it would be greatly appreciated. If any further info is needed, will be happy to provide.

[jcolp]

The code in question is simple and this:

        if (srtp_init() != err_status_ok) {
                ast_log(AST_LOG_WARNING, "Failed to initialize libsrtp\n");
                return -1;
        }

Call the function libsrtp provides to initialize it, which fails. I would say the issue is with libsrtp itself somehow - what that may be, I don’t know.

[slesru]

Don’t know about 20, but 18 is not compatible with srtp from 9.
I installed libsrtp-1.5.4-8.el8.x86_64.rpm and the same devel

[Vinayak]

May be this will help…

https://github.com/cisco/libsrtp
git@github.com:cisco/libsrtp.git
make uninstall
make clean
./configure CFLAGS=-fPIC --prefix=/usr/local/lib
make
make runtest
make install

./configure --with-jansson-bundled --with-srtp=/usr/local/lib

[jmarkg]

Thank you for the suggestion @Vinayak, I did get things working late last night by a very similar method of downloading and installing libsrtp from source:

cd /usr/src
git clone https://github.com/cisco/libsrtp.git
cd libsrtp/
./configure --enable-openssl -–libdir=/usr/lib64
make shared_library
make install
ldconfig

Then compiling asterisk with:
./configure --libdir=/usr/lib64 --with-jansson-bundled=yes