1 files changed, 175 insertions, 0 deletions
diff --git a/network/dnscrypt-proxy/rc.dnscrypt-proxy b/network/dnscrypt-proxy/rc.dnscrypt-proxy
new file mode 100644
index 0000000000000..84eb12c74dca0
--- /dev/null
+++ b/network/dnscrypt-proxy/rc.dnscrypt-proxy
@@ -0,0 +1,175 @@
+#!/bin/bash
+
+CONFIGFILE="/etc/default/dnscrypt-proxy"
+DAEMON="/usr/sbin/dnscrypt-proxy"
+
+. $CONFIGFILE
+
+start_instance() {
+    if [ -z ${PIDFILE[$1]} ]; then
+        echo "No configuration for instance $1 found!"
+        return
+    fi
+    if [ -r ${PIDFILE[$1]} ]; then
+        echo "dnscrypt-proxy (instance $1) already running!"
+        return
+    fi
+
+    # dnscrypt-proxy will work without this, but it drops privileges before
+    # seeding the PRNG. libevent tries to work around a missing /dev/urandom
+    # but it's safer just to make sure it is available in the chroot.
+    if [ -n "${CHROOTDIR[$1]}" ]; then
+        if [ "$(readlink -f ${CHROOTDIR[$1]})" != "/" ]; then
+            if [ ! -d ${CHROOTDIR[$1]} ]; then
+                mkdir -p ${CHROOTDIR[$1]}
+                chmod 755 ${CHROOTDIR[$1]}
+            fi
+            if [ ! -d ${CHROOTDIR[$1]}/dev ]; then
+                mkdir -p ${CHROOTDIR[$1]}/dev
+                chmod 755 ${CHROOTDIR[$1]}/dev
+            fi
+            if [ ! -c ${CHROOTDIR[$1]}/dev/urandom ]; then
+                mknod -m 666 ${CHROOTDIR[$1]}/dev/urandom c 1 9
+            fi
+        fi
+    fi
+
+    OPTIONS="-d"
+    if [ -n "${LOCALADDRESS[$1]}" ]; then
+        OPTIONS="${OPTIONS} --local-address=${LOCALADDRESS[$1]}"
+    fi
+    if [ -n "${PIDFILE[$1]}" ]; then
+        OPTIONS="${OPTIONS} --pidfile=${PIDFILE[$1]}"
+    fi
+    if [ -n "${USER[$1]}" ]; then
+        OPTIONS="${OPTIONS} --user=${USER[$1]}"
+    fi
+    if [ -n "${RESOLVERNAME[$1]}" ]; then
+        OPTIONS="${OPTIONS} --resolver-name=${RESOLVERNAME[$1]}"
+    fi
+    if [ -n "${RESOLVERSLIST[$1]}" ]; then
+        OPTIONS="${OPTIONS} --resolvers-list=${RESOLVERSLIST[$1]}"
+    fi
+    if [ -z "${RESOLVERNAME[$1]}" ] && [ -n "${RESOLVERADDRESS[$1]}" ]; then
+        OPTIONS="${OPTIONS} --resolver-address=${RESOLVERADDRESS[$1]}"
+    fi
+    if [ -z "${RESOLVERNAME[$1]}" ] && [ -n "${PROVIDERNAME[$1]}" ]; then
+        OPTIONS="${OPTIONS} --provider-name=${PROVIDERNAME[$1]}"
+    fi
+    if [ -z "${RESOLVERNAME[$1]}" ] && [ -n "${PROVIDERKEY[$1]}" ]; then
+        OPTIONS="${OPTIONS} --provider-key=${PROVIDERKEY[$1]}"
+    fi
+    if [ -n "${EDNSPAYLOADSIZE[$1]}" ]; then
+        OPTIONS="${OPTIONS} --edns-payload-size=${EDNSPAYLOADSIZE[$1]}"
+    fi
+    if [ -n "${MAXACTIVEREQUESTS[$1]}" ]; then
+        OPTIONS="${OPTIONS} --max-active-requests=${MAXACTIVEREQUESTS[$1]}"
+    fi
+    if [ "${TCPONLY[$1]}" == "yes" ]; then
+        OPTIONS="${OPTIONS} --tcp-only"
+    fi
+    if [ -n "${PLUGINS[$1]}" ]; then
+        for plugin in ${PLUGINS[$1]}
+        do
+            OPTIONS="${OPTIONS} --plugin=${plugin}"
+        done
+    fi
+    if [ -n "${LOGLEVEL[$1]}" ]; then
+        OPTIONS="${OPTIONS} --loglevel=${LOGLEVEL[$1]}"
+    fi
+    if [ -n "${LOGFILE[$1]}" ]; then
+        OPTIONS="${OPTIONS} --logfile=${LOGFILE[$1]}"
+    fi
+    $DAEMON $OPTIONS
+}
+
+stop_instance() {
+    if [ -z ${PIDFILE[$1]} ]; then
+        echo "No configuration for instance $1 found!"
+        return
+    fi
+    if [ ! -r ${PIDFILE[$1]} ]; then
+        echo "dnscrypt-proxy (instance $1) is not running!"
+        return
+    fi
+    echo "Stopping dnscrypt-proxy (instance $1)..."
+    kill $(cat ${PIDFILE[$1]})
+}
+
+status_instance() {
+    if [ -z ${PIDFILE[$1]} ]; then
+        echo "No configuration for instance $1 found!"
+        return
+    fi
+    if [ ! -r ${PIDFILE[$1]} ]; then
+        echo "dnscrypt-proxy (instance $1) is not running."
+        return
+    fi
+    PID=$(cat ${PIDFILE[$1]})
+    if [ -z "$PID" ]; then
+        echo "PID file is empty! dnscrypt-proxy (instance $1) does not appear to be running, but there is a stale PID file."
+    elif kill -0 $PID ; then
+        echo "dnscrypt-proxy (instance $1) is running."
+    else
+        echo "dnscrypt-proxy (instance $1) is not running, but there is a stale PID file."
+    fi
+}
+
+start() {
+    for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
+    do
+        start_instance $i
+    done
+}
+
+stop() {
+    for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
+    do
+        stop_instance $i
+    done
+}
+
+status() {
+    for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
+    do
+        status_instance $i
+    done
+}
+
+case "$1" in
+    'start')
+        start
+        ;;
+    'stop')
+        stop
+        ;;
+    'restart')
+        stop
+        start
+        ;;
+    'status')
+        status
+        ;;
+    *_start)
+        INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
+        start_instance $INSTANCE
+        ;;
+    *_stop)
+        INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
+        stop_instance $INSTANCE
+        ;;
+    *_restart)
+        INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
+        stop_instance $INSTANCE
+        sleep 1
+        start_instance $INSTANCE
+        ;;
+    *_status)
+        INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
+        status_instance $INSTANCE
+        ;;
+    *)
+        echo "Usage: $0 {start|stop|restart|status|#_start|#_stop|#_restart}"
+        exit 1
+        ;;
+esac