X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/32fd1a6c7dd28a18abdab6db20316db2a0939d77..54bc65b843aec74e628ad455b33511d420bf4351:/package/dropbear/files/dropbear.init

diff --git a/package/dropbear/files/dropbear.init b/package/dropbear/files/dropbear.init
index fabf54e74..d06d2d534 100755
--- a/package/dropbear/files/dropbear.init
+++ b/package/dropbear/files/dropbear.init
@@ -12,6 +12,27 @@ EXTRA_HELP="	killclients Kill ${NAME} processes except servers and yourself"
 
 dropbear_start()
 {
+	append_ports()
+	{
+		local ifname="$1"
+		local port="$2"
+
+		grep -qs "^ *$ifname:" /proc/net/dev || {
+			append args "-p $port"
+			return
+		}
+
+		for addr in $(
+			ifconfig "$ifname" | sed -ne '
+				/addr: *fe[89ab][0-9a-f]:/d
+				s/.* addr: *\([0-9a-f:\.]*\).*/\1/p
+			'
+		); do
+			append args "-p $addr:$port"
+		done
+	}
+
+
 	local section="$1"
 
 	# check if section is enabled (default)
@@ -26,36 +47,36 @@ dropbear_start()
 	# increase pid file count to handle multiple instances correctly
 	PIDCOUNT="$(( ${PIDCOUNT} + 1))"
 
-	# prepare parameters
+	# prepare parameters (initialise with pid file)
+	local args="-P /var/run/${NAME}.${PIDCOUNT}.pid"
+	local val
 	# A) password authentication
-	local nopasswd
-	local passauth
-	config_get_bool passauth "${section}" PasswordAuth 1
-	[ "${passauth}" -eq 0 ] && nopasswd=1
+	config_get_bool val "${section}" PasswordAuth 1
+	[ "${val}" -eq 0 ] && append args "-s"
 	# B) listen interface and port
 	local port
 	local interface
-	local address
-	config_get port "${section}" Port
 	config_get interface "${section}" Interface
-	config_get address "${interface}" ipaddr
-	port="${address:+${address}:}${port}"
+	config_get interface "${interface}" ifname "$interface"
+	config_get port "${section}" Port 22
+	append_ports "$interface" "$port"
 	# C) banner file
-	local bannerfile
-	config_get bannerfile "${section}" BannerFile
-	[ -f "$bannerfile" ] || bannerfile=''
+	config_get val "${section}" BannerFile
+	[ -f "${val}" ] && append args "-b ${val}"
 	# D) gatewayports
-	local gatewayports
-	config_get_bool gatewayports "${section}" GatewayPorts 0
-	[ "${gatewayports}" -eq 1 ] || gatewayports=''
+	config_get_bool val "${section}" GatewayPorts 0
+	[ "${val}" -eq 1 ] && append args "-a"
 	# E) root password authentication
-	local norootpasswd
-	local rootpassauth
-	config_get_bool rootpassauth "${section}" RootPasswordAuth 1
-	[ "${rootpassauth}" -eq 0 ] && norootpasswd=1
-	# concatenate parameters
-	local args
-	args="${nopasswd:+-s }${norootpasswd:+-g }${port:+-p ${port} }${bannerfile:+-b $bannerfile }${gatewayports:+-a }-P /var/run/${NAME}.${PIDCOUNT}.pid"
+	config_get_bool val "${section}" RootPasswordAuth 1
+	[ "${val}" -eq 0 ] && append args "-g"
+	# F) root login
+	config_get_bool val "${section}" RootLogin 1
+	[ "${val}" -eq 0 ] && append args "-w"
+	# G) host keys
+	config_get val "${section}" rsakeyfile
+	[ -f "${val}" ] && append args "-r ${val}"
+	config_get val "${section}" dsskeyfile
+	[ -f "${val}" ] && append args "-d ${val}"
 
 	# execute program and return its exit code
 	[ "${verbosed}" -ne 0 ] && echo "${initscript}: section ${section} starting ${PROG} ${args}"