From 1fe1c80d66f3b5f2ec3f7bdbea6be100a1ff8aad Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Thu, 6 Feb 2020 21:47:58 -0800
Subject: [PATCH] miniupnpd: convert to procd

Massive cleanup of the shell script. Many issues were fixed.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
(cherry picked from commit c61614a849d1c7fc0cb6d0dafd79440a35bb5fc6)
---
 net/miniupnpd/Makefile                    |   2 +-
 net/miniupnpd/files/miniupnpd.hotplug     |  24 ++-
 net/miniupnpd/files/miniupnpd.init        | 177 ++++++++++------------
 net/miniupnpd/files/upnpd.config          |   4 +-
 net/miniupnpd/patches/100-no-daemon.patch |  25 +++
 5 files changed, 118 insertions(+), 114 deletions(-)
 create mode 100644 net/miniupnpd/patches/100-no-daemon.patch

diff --git a/net/miniupnpd/Makefile b/net/miniupnpd/Makefile
index c35c4318ae..d3cbf2981c 100644
--- a/net/miniupnpd/Makefile
+++ b/net/miniupnpd/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=miniupnpd
 PKG_VERSION:=2.1.20191006
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_URL:=https://miniupnp.tuxfamily.org/files
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
diff --git a/net/miniupnpd/files/miniupnpd.hotplug b/net/miniupnpd/files/miniupnpd.hotplug
index 9820d42543..9e525f9b5f 100644
--- a/net/miniupnpd/files/miniupnpd.hotplug
+++ b/net/miniupnpd/files/miniupnpd.hotplug
@@ -1,8 +1,6 @@
-#!/bin/sh
+#!/bin/sh /etc/rc.common
 
-/etc/init.d/miniupnpd enabled || exit 0
-
-. /lib/functions/service.sh
+enabled miniupnpd || exit 0
 
 # If miniupnpd is not running:
 # - check on _any_ event (even updates may contribute to network_find_wan*)
@@ -11,7 +9,7 @@
 # - check only on ifup (otherwise lease updates etc would cause
 #   miniupnpd state loss)
 
-[ "$ACTION" != "ifup" ] && service_check /usr/sbin/miniupnpd && exit 0
+[ "$ACTION" != "ifup" ] && service_running miniupnpd && exit 0
 
 tmpconf="/var/etc/miniupnpd.conf"
 extiface=$(uci get upnpd.config.external_iface)
@@ -19,15 +17,13 @@ extzone=$(uci get upnpd.config.external_zone)
 
 . /lib/functions/network.sh
 
-if [ -z "$extiface" ] ; then
+[ -z "$extiface" ] && {
   # manual external zone (if dynamically find interfaces
   # belonging to it) overrides network_find_wan*
-  if [ -n "$extzone" ] ; then
-    ifname=$(fw3 -q zone $extzone | head -1)
-  fi
-  [ -n "$extiface" ] || network_find_wan extiface
-  [ -n "$extiface" ] || network_find_wan6 extiface
-fi
-
-[ -n "$ifname" ] || network_get_device ifname "$extiface"
+  [ -n "$extzone" ] && ifname=$(fw3 -q zone "$extzone" | head -1)
+  [ -z "$extiface" ] && network_find_wan extiface
+  [ -z "$extiface" ] && network_find_wan6 extiface
+}
+
+[ -z "$ifname" ] && network_get_device ifname "$extiface"
 grep -q "ext_ifname=$ifname" "$tmpconf" || /etc/init.d/miniupnpd restart
diff --git a/net/miniupnpd/files/miniupnpd.init b/net/miniupnpd/files/miniupnpd.init
index 9a85d0078b..01434e9153 100644
--- a/net/miniupnpd/files/miniupnpd.init
+++ b/net/miniupnpd/files/miniupnpd.init
@@ -3,8 +3,8 @@
 
 START=94
 STOP=15
-
-SERVICE_USE_PID=1
+USE_PROCD=1
+PROG=/usr/sbin/miniupnpd
 
 upnpd_get_port_range() {
 	local var="$1"; shift
@@ -26,9 +26,8 @@ upnpd_get_port_range() {
 
 conf_rule_add() {
 	local cfg="$1"
-	local tmpconf="$2"
-	local action external_port_start external_port_end int_addr
-	local internal_port_start internal_port_end comment
+	local action int_addr
+	local ext_start ext_end int_start int_end comment
 
 	config_get action "$cfg" action "deny"                # allow or deny
 	upnpd_get_port_range "ext" "$cfg" ext_ports "0-65535" # external ports: x, x-y, x:y
@@ -39,7 +38,7 @@ conf_rule_add() {
 	# Make a single IP IP/32 so that miniupnpd.conf can use it.
 	[ "${int_addr%/*}" = "$int_addr" ] && int_addr="$int_addr/32"
 
-	echo "$action $ext_start${ext_end:+-}$ext_end $int_addr $int_start${int_end:+-}$int_end #$comment" >>$tmpconf
+	echo "$action $ext_start${ext_end:+-}$ext_end $int_addr $int_start${int_end:+-}$int_end #$comment"
 }
 
 upnpd_write_bool() {
@@ -50,161 +49,145 @@ upnpd_write_bool() {
 
 	config_get_bool val config "$opt" "$def"
 	if [ "$val" -eq 0 ]; then
-		echo "$alt=no" >> $tmpconf
+		echo "$alt=no"
 	else
-		echo "$alt=yes" >> $tmpconf
+		echo "$alt=yes"
 	fi
 }
 
-boot() {
-	return
-}
-
-start() {
+upnpd() {
 	config_load "upnpd"
-	local extiface intiface upload download logging secure enabled natpmp
-	local extip port usesysuptime conffile serial_number model_number
-	local uuid notify_interval presentation_url enable_upnp
+	local external_iface external_iface6 external_zone external_ip internal_iface
+	local upload download log_output port config_file serial_number model_number
+	local use_stun stun_host stun_port uuid notify_interval presentation_url
 	local upnp_lease_file clean_ruleset_threshold clean_ruleset_interval
-	local ipv6_listening_ip enabled
 
+	local enabled
 	config_get_bool enabled config enabled 1
-
 	[ "$enabled" -eq 0 ] && return 1
 
-	config_get extiface config external_iface
-	config_get extzone config external_zone
-	config_get intiface config internal_iface
-	config_get extip config external_ip
+	config_get external_iface config external_iface
+	config_get external_zone config external_zone
+	config_get external_ip config external_ip
+	config_get internal_iface config internal_iface
 	config_get port config port 5000
 	config_get upload config upload
 	config_get download config download
-	config_get_bool logging config log_output 0
-	config_get conffile config config_file
+	config_get_bool log_output config log_output 0
+	config_get config_file config config_file
 	config_get serial_number config serial_number
 	config_get model_number config model_number
 	config_get uuid config uuid
+	config_get stun_host config stun_host
+	config_get stun_port config stun_port
 	config_get notify_interval config notify_interval
 	config_get presentation_url config presentation_url
 	config_get upnp_lease_file config upnp_lease_file
 	config_get clean_ruleset_threshold config clean_ruleset_threshold
 	config_get clean_ruleset_interval config clean_ruleset_interval
-	config_get ipv6_listening_ip config ipv6_listening_ip
 
-	local args ifname
+	local conf ifname ifname6
 
 	. /lib/functions/network.sh
 
-        # manual external interface overrides everything
-        if [ -z "$extiface" ] ; then
-            # manual external zone (if dynamically find interfaces
-            # belonging to it) overrides network_find_wan*
-            if [ -n "$extzone" ] ; then
-                ifname=$(fw3 -q zone $extzone | head -1)
-            fi
-            [ -n "$extiface" ] || network_find_wan extiface
-            [ -n "$extiface" ] || network_find_wan6 extiface
-        fi
-
-	[ -n "$ifname" ] || network_get_device ifname $extiface
-
-	if [ -n "$conffile" ]; then
-		args="-f $conffile"
+	# manual external interface overrides everything
+	[ -z "$external_iface" ] && {
+		# manual external zone (if dynamically find interfaces
+		# belonging to it) overrides network_find_wan*
+		[ -n "$external_zone" ] && ifname=$(fw3 -q zone "$external_zone" | head -1)
+		[ -z "$external_iface" ] && network_find_wan external_iface
+		[ -z "$external_iface6" ] && network_find_wan6 external_iface6
+	}
+
+	[ -z "$ifname" ] && network_get_device ifname "$external_iface"
+	[ -z "$ifname6" ] && network_get_device ifname6 "$external_iface6"
+
+	if [ -n "$config_file" ]; then
+		conf="$config_file"
 	else
 		local tmpconf="/var/etc/miniupnpd.conf"
-		args="-f $tmpconf"
+		conf="$tmpconf"
 		mkdir -p /var/etc
 
-		echo "ext_ifname=$ifname" >$tmpconf
-
-		[ -n "$extip" ] && \
-			echo "ext_ip=$extip" >>$tmpconf
+		{
+		echo "ext_ifname=$ifname"
+		echo "ext_ifname6=$ifname6"
+		[ -n "$external_ip" ] && echo "ext_ip=$external_ip"
 
 		local iface
-		for iface in ${intiface:-lan}; do
+		for iface in ${internal_iface:-lan}; do
 			local device
-			network_get_device device "$iface" && {
-				echo "listening_ip=$device" >>$tmpconf
-			}
+			network_get_device device "$iface" && echo "listening_ip=$device"
+			network_get_device device "$iface" && echo "ipv6_listening_ip=$device"
 		done
 
-		[ "$port" != "auto" ] && \
-			echo "port=$port" >>$tmpconf
-
 		config_load "upnpd"
 		upnpd_write_bool enable_natpmp 1
 		upnpd_write_bool enable_upnp 1
 		upnpd_write_bool secure_mode 1
-		upnpd_write_bool pcp_allow_thirdparty 0
 		upnpd_write_bool system_uptime 1
 		upnpd_write_bool igdv1 0 force_igd_desc_v1
+		upnpd_write_bool use_stun 0 ext_perform_stun
 
-		[ -n "$upnp_lease_file" ] && \
-			echo "lease_file=$upnp_lease_file" >>$tmpconf
-
-		[ -n "$upload" -a -n "$download" ] && {
-			echo "bitrate_down=$(($download * 1024 * 8))" >>$tmpconf
-			echo "bitrate_up=$(($upload * 1024 * 8))" >>$tmpconf
+		[ "$use_stun" -eq 0 ] || {
+			[ -n "$stun_host" ] && echo "ext_stun_host=$stun_host"
+			[ -n "$stun_port" ] && echo "ext_stun_port=$stun_port"
 		}
 
-		[ -n "${presentation_url}" ] && \
-			echo "presentation_url=${presentation_url}" >>$tmpconf
-
-		[ -n "${notify_interval}" ] && \
-			echo "notify_interval=${notify_interval}" >>$tmpconf
-
-		[ -n "${clean_ruleset_threshold}" ] && \
-			echo "clean_ruleset_threshold=${clean_ruleset_threshold}" >>$tmpconf
-
-		[ -n "${clean_ruleset_interval}" ] && \
-			echo "clean_ruleset_interval=${clean_ruleset_interval}" >>$tmpconf
+		[ -n "$upload" ] && [ -n "$download" ] && {
+			echo "bitrate_down=$((download * 1024 * 8))"
+			echo "bitrate_up=$((upload * 1024 * 8))"
+		}
 
-		[ -n "${ipv6_listening_ip}" ] && \
-			echo "ipv6_listening_ip=${ipv6_listening_ip}" >>$tmpconf
+		[ -n "$upnp_lease_file" ] && touch "$upnp_lease_file" && echo "lease_file=$upnp_lease_file"
+		[ -n "$presentation_url" ] && echo "presentation_url=$presentation_url"
+		[ -n "$notify_interval" ] && echo "notify_interval=$notify_interval"
+		[ -n "$clean_ruleset_threshold" ] && echo "clean_ruleset_threshold=$clean_ruleset_threshold"
+		[ -n "$clean_ruleset_interval" ] && echo "clean_ruleset_interval=$clean_ruleset_interval"
+		[ -n "$serial_number" ] && echo "serial=$serial_number"
+		[ -n "$model_number" ] && echo "model_number=$model_number"
+		[ -n "$port" ] && echo "port=$port"
 
 		[ -z "$uuid" ] && {
 			uuid="$(cat /proc/sys/kernel/random/uuid)"
-			uci set upnpd.config.uuid=$uuid
+			uci set upnpd.config.uuid="$uuid"
 			uci commit upnpd
 		}
 
-		[ "$uuid" = "nocli" ] || \
-			echo "uuid=$uuid" >>$tmpconf
-
-		[ -n "${serial_number}" ] && \
-			echo "serial=${serial_number}" >>$tmpconf
+		[ "$uuid" = "nocli" ] || echo "uuid=$uuid"
 
-		[ -n "${model_number}" ] && \
-			echo "model_number=${model_number}" >>$tmpconf
+		config_foreach conf_rule_add perm_rule
 
-		config_foreach conf_rule_add perm_rule "$tmpconf"
+		} > "$tmpconf"
 	fi
 
-
 	if [ -n "$ifname" ]; then
 		# start firewall
 		iptables -L MINIUPNPD >/dev/null 2>&1 || fw3 reload
-
-		if [ "$logging" = "1" ]; then
-			SERVICE_DAEMONIZE=1 \
-			service_start /usr/sbin/miniupnpd $args -d
-		else
-			SERVICE_DAEMONIZE= \
-			service_start /usr/sbin/miniupnpd $args
-		fi
 	else
 		logger -t "upnp daemon" "external interface not found, not starting"
 	fi
-}
 
-stop() {
-	service_stop /usr/sbin/miniupnpd
+	procd_open_instance
+	procd_set_param command "$PROG"
+	procd_append_param command -f "$conf"
+	[ "$log_output" = "1" ] && procd_append_param command -d
+	procd_close_instance
+}
 
+stop_service() {
 	iptables -t nat -F MINIUPNPD 2>/dev/null
 	iptables -t nat -F MINIUPNPD-POSTROUTING 2>/dev/null
 	iptables -t filter -F MINIUPNPD 2>/dev/null
 
-        [ -x /usr/sbin/ip6tables ] && {
-	    ip6tables -t filter -F MINIUPNPD 2>/dev/null
-        }
+	[ -x /usr/sbin/ip6tables ] && ip6tables -t filter -F MINIUPNPD 2>/dev/null
+}
+
+start_service() {
+	config_load "upnpd"
+	config_foreach upnpd "upnpd"
+}
+
+service_triggers() {
+	procd_add_reload_trigger "upnpd"
 }
diff --git a/net/miniupnpd/files/upnpd.config b/net/miniupnpd/files/upnpd.config
index 299664362d..4e74664953 100644
--- a/net/miniupnpd/files/upnpd.config
+++ b/net/miniupnpd/files/upnpd.config
@@ -4,8 +4,8 @@ config upnpd config
 	option enable_upnp	1
 	option secure_mode	1
 	option log_output	0
-	option download 	1024
-	option upload   	512
+	option download		1024
+	option upload		512
 #by default, looked up dynamically from ubus
 #	option external_iface	wan
 	option internal_iface	lan
diff --git a/net/miniupnpd/patches/100-no-daemon.patch b/net/miniupnpd/patches/100-no-daemon.patch
new file mode 100644
index 0000000000..3d51fcaa76
--- /dev/null
+++ b/net/miniupnpd/patches/100-no-daemon.patch
@@ -0,0 +1,25 @@
+--- a/miniupnpd.c
++++ b/miniupnpd.c
+@@ -1727,21 +1727,7 @@ init(int argc, char * * argv, struct runtime_vars * v)
+ 		}
+ 	}
+ 
+-	if(debug_flag)
+-	{
+-		pid = getpid();
+-	}
+-	else
+-	{
+-#ifdef USE_DAEMON
+-		if(daemon(0, 0)<0) {
+-			perror("daemon()");
+-		}
+-		pid = getpid();
+-#else
+-		pid = daemonize();
+-#endif
+-	}
++	pid = getpid();
+ 
+ 	openlog_option = LOG_PID|LOG_CONS;
+ 	if(debug_flag)
-- 
2.30.2