SHA256
1
0
forked from pool/tigervnc
tigervnc/with-vnc-key.sh
Joan Torres 45aee162cd - Fixes for bsc#1209283
* Drop chown vnc:vnc calls in with-vnc-key.sh
  * Add TLSNone to -securitytypes to increase security in xvnc@.service

OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/tigervnc?expand=0&rev=245
2023-04-03 09:02:15 +00:00

36 lines
968 B
Bash

#!/bin/bash
# Wrapper that makes sure /etc/vnc/tls.{key,cert} exist before executing given command.
TLSKEY=/etc/vnc/tls.key
TLSCERT=/etc/vnc/tls.cert
if test -s $TLSKEY -a -s $TLSCERT; then
# Execute the command we were given.
exec "$@"
fi
(
# Wait for lock on the key file. We must not proceed while someone else is creating it.
flock 200
# If the key file doesn't exist or has zero size (because it doubles as lock), generate it.
if ! test -s $TLSKEY ; then
(umask 077 && openssl genrsa -out $TLSKEY 2048) >&200
fi
# If the cert file doesn't exist, generate it.
if ! test -e $TLSCERT ; then
# Keeping it short, because hostname could be long and max CN is 64 characters
CN="`hostname`"
CN=${CN:0:64}
openssl req -new -x509 -extensions usr_cert -key $TLSKEY -out $TLSCERT -days 7305 -subj "/CN=$CN/"
fi
) 200>>$TLSKEY 2>/dev/null
# Execute the command we were given.
exec "$@"