[Bug 1782980] [NEW] mumble-server crashes at launch without libssl1.0-dev

[Zachary Clifford]

Public bug reported:

This bug is with mumble-server (1.2.19-1ubuntu1) on Bionic.

I installed mumble-server in a stripped down Docker container, but the
murmur server fails to start because it's linked against libssl 1.0.
Bionic now has 1.1 available at runtime.  The error message printed is:

Invalid sslCiphers option. Either the cipher string is invalid or none
of the ciphers are available: "EECDH+AESGCM:AES256-SHA:AES128-SHA"

Which lines up with this thread:

https://stackoverflow.com/questions/42094214/why-is-qsslsocket-working-
with-qt-5-3-but-not-qt-5-7-on-debian-stretch

Looking at the changelog, I suspect this came about in mumble
1.2.19-1build1 where mumble was rebuilt with openssl1.1, but the murmur
server still expects an older one.

I was able to work around by installing libssl1.0-dev in addition to
mumble-server.  Maybe the server can be rebuilt, or libssl1.0-dev can be
added as a dependency of mumble-server?

For reference, my (working) Dockerfile is:

FROM ubuntu:latest

RUN apt-get update && apt-get install -y mumble-server libssl1.0-dev && \
    rm -rf /var/lib/apt/lists/*

COPY ./mumble-server.ini /etc/mumble-server.ini

EXPOSE 64738/tcp 64738/udp

# The following directory must be mapped out of the container.
# VOLUME murmurdata:/var/lib/mumble-server

ENTRYPOINT ["/usr/sbin/murmurd", "-fg", "-v"]
CMD ["-ini", "/etc/mumble-server.ini"]

** Affects: mumble (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1782980

Title:
  mumble-server crashes at launch without libssl1.0-dev

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