procd: Add wrapper for uci_validate_section()
[openwrt/openwrt.git] / package / network / services / dropbear / files / dropbear.init
index 860235e9b7e013a637d0106feae8fd6b4734c7f0..2ea637ee1a7cc3f5c32092865d6d0a29f45d6cc0 100755 (executable)
@@ -2,7 +2,7 @@
 # Copyright (C) 2006-2010 OpenWrt.org
 # Copyright (C) 2006 Carlos Sobrinho
 
-START=50
+START=19
 STOP=50
 
 USE_PROCD=1
@@ -29,7 +29,7 @@ append_ports()
 
 validate_section_dropbear()
 {
-       uci_validate_section dropbear dropbear "${1}" \
+       uci_load_validate dropbear dropbear "$1" "$2" \
                'PasswordAuth:bool:1' \
                'enable:bool:1' \
                'Interface:string' \
@@ -37,27 +37,27 @@ validate_section_dropbear()
                'RootPasswordAuth:bool:1' \
                'RootLogin:bool:1' \
                'rsakeyfile:file' \
-               'dsskeyfile:file' \
                'BannerFile:file' \
                'Port:list(port):22' \
                'SSHKeepAlive:uinteger:300' \
                'IdleTimeout:uinteger:0' \
-               'mdns:uinteger:1'
+               'MaxAuthTries:uinteger:3' \
+               'RecvWindowSize:uinteger:0' \
+               'mdns:bool:1'
 }
 
 dropbear_instance()
 {
-       local PasswordAuth enable Interface GatewayPorts \
-               RootPasswordAuth RootLogin rsakeyfile \
-               dsskeyfile BannerFile Port SSHKeepAlive IdleTimeout \
-               mdns ipaddrs
+       local ipaddrs
 
-       validate_section_dropbear "${1}" || {
+       [ "$2" = 0 ] || {
                echo "validation failed"
                return 1
        }
 
        [ -n "${Interface}" ] && {
+               [ -n "${BOOT}" ] && return 0
+
                network_get_ipaddrs_all ipaddrs "${Interface}" || {
                        echo "interface ${Interface} has no physdev or physdev has no suitable ip"
                        return 1
@@ -75,18 +75,21 @@ dropbear_instance()
        [ "${RootPasswordAuth}" -eq 0 ] && procd_append_param command -g
        [ "${RootLogin}" -eq 0 ] && procd_append_param command -w
        [ -n "${rsakeyfile}" ] && procd_append_param command -r "${rsakeyfile}"
-       [ -n "${dsskeyfile}" ] && procd_append_param command -d "${dsskeyfile}"
        [ -n "${BannerFile}" ] && procd_append_param command -b "${BannerFile}"
        append_ports "${ipaddrs}" "${Port}"
        [ "${IdleTimeout}" -ne 0 ] && procd_append_param command -I "${IdleTimeout}"
        [ "${SSHKeepAlive}" -ne 0 ] && procd_append_param command -K "${SSHKeepAlive}"
+       [ "${MaxAuthTries}" -ne 0 ] && procd_append_param command -T "${MaxAuthTries}"
+       [ "${RecvWindowSize}" -gt 0 -a "${RecvWindowSize}" -le 1048576 ] && \
+               procd_append_param command -W "${RecvWindowSize}"
        [ "${mdns}" -ne 0 ] && procd_add_mdns "ssh" "tcp" "$Port" "daemon=dropbear"
+       procd_set_param respawn
        procd_close_instance
 }
 
 keygen()
 {
-       for keytype in rsa dss; do
+       for keytype in rsa; do
                # check for keys
                key=dropbear/dropbear_${keytype}_host_key
                [ -f /tmp/$key -o -s /etc/$key ] || {
@@ -107,24 +110,54 @@ keygen()
        chmod 0700 /etc/dropbear
 }
 
+load_interfaces()
+{
+       config_get interface "$1" Interface
+       config_get enable "$1" enable 1
+
+       [ "${enable}" = "1" ] && interfaces=" ${interface} ${interfaces}"
+}
+
+boot()
+{
+       BOOT=1
+       start "$@"
+}
+
 start_service()
 {
-       [ -s /etc/dropbear/dropbear_rsa_host_key -a \
-         -s /etc/dropbear/dropbear_dss_host_key ] || keygen
+       [ -s /etc/dropbear/dropbear_rsa_host_key ] || keygen
 
        . /lib/functions.sh
        . /lib/functions/network.sh
 
        config_load "${NAME}"
-       config_foreach dropbear_instance dropbear
+       config_foreach validate_section_dropbear dropbear dropbear_instance
 }
 
 service_triggers()
 {
-       procd_add_reload_trigger "dropbear"
+       local interfaces
+
+       procd_add_config_trigger "config.change" "dropbear" /etc/init.d/dropbear reload
+
+       config_load "${NAME}"
+       config_foreach load_interfaces dropbear
+
+       [ -n "${interfaces}" ] && {
+               for n in $interfaces ; do
+                       procd_add_interface_trigger "interface.*" $n /etc/init.d/dropbear reload
+               done
+       }
+
        procd_add_validation validate_section_dropbear
 }
 
+shutdown() {
+       # close all open connections
+       killall dropbear
+}
+
 killclients()
 {
        local ignore=''
@@ -165,7 +198,7 @@ killclients()
                skip=0
                for server in ${ignore}
                 do
-                       if [ "${pid}" == "${server}" ]
+                       if [ "${pid}" = "${server}" ]
                         then
                                skip=1
                                break