run two tunnels, which is probably wrong (leads to timeouts on local host)
This commit is contained in:
parent
dea6a2ec1b
commit
351a5190c9
241
pulseaudio-tcp
241
pulseaudio-tcp
@ -94,6 +94,70 @@ do_setup() {
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fi
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fi
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done
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done
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inbound=${inbound:-true}
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while true ; do
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if "$inbound" ; then
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prompt="Y/n"
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else
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prompt="y/N"
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fi
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read -r -p "Enable inbound audio ($prompt): " inbound_in
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case "$inbound_in" in
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"")
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if test -n "$inbound" ; then
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inbound_in=$inbound
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break 2
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fi
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;;
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y|Y)
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inbound_in=true
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break 2
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;;
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n|N)
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inbound_in=false
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break 2
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;;
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*)
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echo "ERROR: Please type \"y\" or \"n\"." >&2
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;;
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esac
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done
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outbound=${outbound:-true}
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while true ; do
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if "$outbound" ; then
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prompt="Y/n"
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else
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prompt="y/N"
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fi
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read -r -p "Enable outbound audio ($prompt): " outbound_in
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case "$outbound_in" in
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"")
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if test -n "$outbound" ; then
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outbound_in=$outbound
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break 2
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fi
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;;
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y|Y)
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outbound_in=true
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break 2
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;;
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n|N)
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outbound_in=false
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break 2
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;;
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*)
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echo "ERROR: Please type \"y\" or \"n\"." >&2
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;;
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esac
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done
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cat > "$config" << EOF
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cat > "$config" << EOF
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# Configuration file for pulseaudio-tcp
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# Configuration file for pulseaudio-tcp
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# Generated on $(LC_ALL=C date) by $USER using $0
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# Generated on $(LC_ALL=C date) by $USER using $0
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@ -103,29 +167,54 @@ remote_ip="$remote_ip_in"
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# Username on remote host
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# Username on remote host
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remote_user="$remote_user_in"
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remote_user="$remote_user_in"
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# Enable inbound audio from $remote_user @$remote_ip?
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inbound=$inbound_in
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# Enable outbound audio to $remote_user @$remote_ip?
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outbound=$outbound_in
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EOF
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EOF
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}
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}
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# Check if SSH port forwarding is running
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# Check if SSH port forwarding is running
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check_pa_ssh() {
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check_pa_ssh() {
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if ! "$outbound" && ! "$inbound" ; then
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return 0
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else
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for pid in $(pidof ssh) ; do
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for pid in $(pidof ssh) ; do
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grep -Fq $USER-pulseaudio /proc/"$pid"/cmdline && return 0
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if grep -Fq $USER-pulseaudio /proc/"$pid"/cmdline ; then
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if "$outbound" ; then
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grep -Fq -e -L /proc/"$pid"/cmdline || {
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echo "ERROR: No SSH port forwarding to remote server for outbound audio established." >&2
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return 1 ;
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}
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fi
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if "$inbound" ; then
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grep -Fq -e -L /proc/"$pid"/cmdline || {
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echo "ERROR: No SSH port forwarding from remote server for inbound audio established." >&2
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return 1 ;
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}
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fi
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fi
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done
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done
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echo "ERROR: No SSH port forwarding established." >&2
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return 1
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return 1
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fi
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}
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}
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# Perform status operation
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# Perform status operation
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do_status() {
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do_status() {
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rv=0
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rv=0
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if ! _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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if ! check_pa_ssh ; then
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echo "ERROR: PulseAudio module \"module-native-protocol-tcp\" is not loaded on remote_ip=$remote_ip." >&2
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rv=1
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rv=1
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fi
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fi
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if ! check_pa_ssh ; then
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if "$outbound" ; then
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echo "ERROR: SSH port forwarding to remote_ip=$remote_ip is not running." >&2
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if ! _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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echo "ERROR: PulseAudio module \"module-native-protocol-tcp\" is not loaded on remote_ip=$remote_ip." >&2
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rv=1
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rv=1
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fi
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fi
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@ -138,6 +227,19 @@ do_status() {
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echo "ERROR: \"tunnel-sink.tcp:127.0.0.1\" is not the default PulseAudio sink." >&2
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echo "ERROR: \"tunnel-sink.tcp:127.0.0.1\" is not the default PulseAudio sink." >&2
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rv=1
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rv=1
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fi
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fi
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fi
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if "$inbound" ; then
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if ! pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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echo "ERROR: PulseAudio module \"module-native-protocol-tcp\" is not loaded." >&2
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rv=1
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fi
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if ! _ssh pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
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echo "ERROR: PulseAudio module \"module-tunnel-sink\" is not loaded on remote_ip=$remote_ip." >&2
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rv=1
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fi
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fi
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if test "$rv" -eq 0 ; then
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if test "$rv" -eq 0 ; then
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echo "INFO: All checks passed; pulseaudio-tcp status is okay." >&2
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echo "INFO: All checks passed; pulseaudio-tcp status is okay." >&2
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@ -158,7 +260,7 @@ sync_pa_cookie() {
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}
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}
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# Enable PulseAudio TCP tunnel server on remote host
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# Enable PulseAudio TCP tunnel server on remote host
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enable_pa_tunnel_server() {
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enable_remote_pa_tunnel_server() {
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if _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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if _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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echo "INFO: PulseAudio module \"module-native-protocol-tcp\" already loaded on remote_ip=$remote_ip." >&2
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echo "INFO: PulseAudio module \"module-native-protocol-tcp\" already loaded on remote_ip=$remote_ip." >&2
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return 0
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return 0
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@ -171,13 +273,33 @@ enable_pa_tunnel_server() {
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fi
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fi
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}
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}
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# Enable PulseAudio TCP tunnel server on local host
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enable_local_pa_tunnel_server() {
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if pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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echo "INFO: PulseAudio module \"module-native-protocol-tcp\" already loaded." >&2
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return 0
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elif pactl load-module module-native-protocol-tcp listen=127.0.0.1 auth-ip-acl=127.0.0.1 ; then
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echo "INFO: Loaded PulseAudio module \"module-native-protocol-tcp\"." >&2
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return 0
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else
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echo "ERROR: Unable to load PulseAudio module \"module-native-protocol-tcp\"." >&2
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return 1
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fi
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}
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# Establish SSH port forwarding to PulseAudio TCP server on remote host
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# Establish SSH port forwarding to PulseAudio TCP server on remote host
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establish_ssh_portforward() {
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establish_ssh_portforward() {
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if "$outbound" && ! "$inbound" ; then
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_ssh -fNT -L 127.0.0.1:4713:127.0.0.1:4713
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_ssh -fNT -L 127.0.0.1:4713:127.0.0.1:4713
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elif "$inbound" && ! "$outbound" ; then
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_ssh -fNT -R 127.0.0.1:4713:127.0.0.1:4713
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elif "$outbound" && "$inbound" ; then
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_ssh -fNT -L 127.0.0.1:4713:127.0.0.1:4713 -R 127.0.0.1:4713:127.0.0.1:4713
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fi
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}
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}
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# Enable tunnel sink on local host
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# Enable tunnel sink on local host
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enable_pa_tunnel_sink() {
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enable_local_pa_tunnel_sink() {
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if pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
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if pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
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echo "INFO: PulseAudio module \"module-tunnel-sink\" already loaded." >&2
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echo "INFO: PulseAudio module \"module-tunnel-sink\" already loaded." >&2
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return 0
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return 0
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@ -190,8 +312,22 @@ enable_pa_tunnel_sink() {
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fi
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fi
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}
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}
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# Enable tunnel sink on remote host
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enable_remote_pa_tunnel_sink() {
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if _ssh pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
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echo "INFO: PulseAudio module \"module-tunnel-sink\" already loaded on remote_ip=$remote_ip." >&2
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return 0
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elif _ssh pactl load-module module-tunnel-sink server=tcp:127.0.0.1 ; then
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echo "INFO: Loaded PulseAudio module \"module-tunnel-sink\" on remote_ip=$remote_ip." >&2
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return 0
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else
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echo "ERROR: Unable to load PulseAudio module \"module-tunnel-sink\" on remote_ip=$remote_ip." >&2
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return 1
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fi
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}
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# Set tunnel sink as default sink on local host
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# Set tunnel sink as default sink on local host
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set_pa_tunnel_sink_as_default() {
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set_local_pa_tunnel_sink_as_default() {
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if pactl set-default-sink tunnel-sink.tcp:127.0.0.1 ; then
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if pactl set-default-sink tunnel-sink.tcp:127.0.0.1 ; then
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echo "INFO: Set \"tunnel-sink.tcp:127.0.0.1\" as default PulseAudio sink." >&2
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echo "INFO: Set \"tunnel-sink.tcp:127.0.0.1\" as default PulseAudio sink." >&2
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return 0
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return 0
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@ -204,16 +340,48 @@ set_pa_tunnel_sink_as_default() {
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# Perform start operation
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# Perform start operation
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do_start() {
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do_start() {
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sync_pa_cookie || return 1
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sync_pa_cookie || return 1
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enable_pa_tunnel_server || return 1
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establish_ssh_portforward || return 1
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establish_ssh_portforward || return 1
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enable_pa_tunnel_sink || return 1
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set_pa_tunnel_sink_as_default || return 1
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if "$outbound" ; then
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enable_remote_pa_tunnel_server || return 1
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enable_local_pa_tunnel_sink || return 1
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set_local_pa_tunnel_sink_as_default || return 1
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fi
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if "$inbound" ; then
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enable_local_pa_tunnel_server || return 1
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enable_remote_pa_tunnel_sink || return 1
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fi
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return 0
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return 0
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}
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}
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# Remove PulseAudio TCP tunnel sink on remote host
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remove_remote_pa_tunnel_sink() {
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if ! _ssh pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
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echo "INFO: PulseAudio module \"module-tunnel-sink\" is not loaded on remote_ip=$remote_ip." >&2
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return 0
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elif ! _ssh pactl list sinks | grep -Fq "tunnel-sink.tcp:127.0.0.1" ; then
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echo "INFO: No PulseAudio tunnel sink to 127.0.0.1 exists on remote_ip=$remote_ip." >&2
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return 0
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else
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owner_module=$(
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_ssh pactl --format json list sinks 2>/dev/null | \
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jq '.[] | select(.name=="tunnel-sink.tcp:127.0.0.1") | .owner_module' -r
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)
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if ! _ssh pactl unload-module "$owner_module" ; then
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echo "ERROR: Could not unload owner module $owner_module of PulseAudio sink \"tunnel-sink.tcp:127.0.0.1\" on remote_ip=$remote_ip." >&2
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return 1
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else
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echo "INFO: Unloaded owner module $owner_module of PulseAudio sink \"tunnel-sink.tcp:127.0.0.1\" on remote_ip=$remote_ip." >&2
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return 0
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fi
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fi
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}
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# Remove PulseAudio TCP tunnel sink on local host
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# Remove PulseAudio TCP tunnel sink on local host
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remove_pa_tunnel_sink() {
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remove_local_pa_tunnel_sink() {
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if ! pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
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if ! pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
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echo "INFO: PulseAudio module \"module-tunnel-sink\" is not loaded." >&2
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echo "INFO: PulseAudio module \"module-tunnel-sink\" is not loaded." >&2
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return 0
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return 0
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@ -236,17 +404,22 @@ remove_pa_tunnel_sink() {
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fi
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fi
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}
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}
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# Terminate SSH portforwarding session
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# Stop PulseAudio TCP tunnel server on local host.
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terminate_ssh_portforward() {
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disable_local_pa_tunnel_server() {
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for pid in $(pidof ssh) ; do
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if ! pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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if grep -Fq $USER-pulseaudio /proc/"$pid"/cmdline ; then
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echo "INFO: PulseAudio module \"module-native-protocol-tcp\" not loaded." >&2
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kill -TERM "$pid"
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return 0
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elif ! pactl unload-module module-native-protocol-tcp ; then
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echo "ERROR: Could not unload PulseAudio module \"module-native-protocol-tcp\"." >&2
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return 1
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else
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echo "INFO: Unloaded PulseAudio module \"module-native-protocol-tcp\"." >&2
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return 0
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fi
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fi
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done
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}
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}
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# Stop PulseAudio TCP tunnel server on remote host.
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# Stop PulseAudio TCP tunnel server on remote host.
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disable_pa_tunnel_server() {
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disable_remote_pa_tunnel_server() {
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if ! _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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if ! _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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echo "INFO: PulseAudio module \"module-native-protocol-tcp\" not loaded on remote_ip=$remote_ip." >&2
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echo "INFO: PulseAudio module \"module-native-protocol-tcp\" not loaded on remote_ip=$remote_ip." >&2
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return 0
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return 0
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@ -259,11 +432,28 @@ disable_pa_tunnel_server() {
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fi
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fi
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}
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}
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# Terminate SSH portforwarding session
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terminate_ssh_portforward() {
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for pid in $(pidof ssh) ; do
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if grep -Fq $USER-pulseaudio /proc/"$pid"/cmdline ; then
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kill -TERM "$pid"
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fi
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done
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}
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|
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# Perform stop operation
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# Perform stop operation
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do_stop() {
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do_stop() {
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remove_pa_tunnel_sink || return 1
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if "$outbound" ; then
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remove_local_pa_tunnel_sink || return 1
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disable_remote_pa_tunnel_server || return 1
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fi
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if "$inbound" ; then
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remove_remote_pa_tunnel_sink || return 1
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disable_local_pa_tunnel_server || return 1
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fi
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terminate_ssh_portforward || return 1
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terminate_ssh_portforward || return 1
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disable_pa_tunnel_server || return 1
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return 0
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return 0
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}
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}
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@ -316,7 +506,7 @@ else
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""|-h|--help)
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""|-h|--help)
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cat << EOF
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cat << EOF
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||||||
Setup and run encrypted connection to remote PulseAudio/Pipewire server
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Setup and run encrypted connection to remote PulseAudio/Pipewire server
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||||||
Usage: $0 setup|start|stop|status
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Usage: $0 restart|setup|start|status|stop
|
||||||
EOF
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EOF
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rv=0
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rv=0
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;;
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;;
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@ -332,12 +522,17 @@ EOF
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|||||||
do_stop
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do_stop
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rv=$?
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rv=$?
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;;
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;;
|
||||||
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restart)
|
||||||
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do_stop
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||||||
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do_start
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||||||
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rv=$?
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;;
|
||||||
status)
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status)
|
||||||
do_status
|
do_status
|
||||||
rv=$?
|
rv=$?
|
||||||
;;
|
;;
|
||||||
*)
|
*)
|
||||||
echo "ERROR: Usage: $0 setup|start|stop|status" >&2
|
echo "ERROR: Usage: $0 restart|setup|start|status|stop" >&2
|
||||||
rv=1
|
rv=1
|
||||||
;;
|
;;
|
||||||
esac
|
esac
|
||||||
|
Loading…
Reference in New Issue
Block a user