iopsys-feed/obuspc/files/etc/init.d/uspc
2024-04-11 16:34:59 +05:30

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#!/bin/sh /etc/rc.common
START=99
STOP=01
USE_PROCD=1
PROG=/usr/sbin/uspc
CONFIGURATION=uspc
RESET_FILE="/tmp/usp/uspc_param_reset.txt"
SQL_DB_FILE="/tmp/usp/uspc.db"
BASEPATH=""
INSTANCE_COUNT=0
. /usr/share/libubox/jshn.sh
. /lib/functions.sh
global_init()
{
BASEPATH=""
INSTANCE_COUNT=0
}
log()
{
echo "$*"|logger -t uspc.init -p debug
}
db_set_reset_file()
{
local param value
param="${1}"
shift
value="$*"
if [ -n "${param}" ] && [ -n "${value}" ]; then
echo "${param} \"${value}\"">>${RESET_FILE}
else
echo >>${RESET_FILE}
fi
}
db_set()
{
db_set_reset_file "$@"
}
# if db present then check if it matches with existing instances
# fallback to max instance present + 1
# In case of no db get the count
get_base_path()
{
local refpath value path count
refpath="${1}"
value="${2}"
path=""
count=0
if [ -z "${path}" ]; then
INSTANCE_COUNT=$(( INSTANCE_COUNT + 1 ))
path="${refpath}${INSTANCE_COUNT}"
fi
BASEPATH="${path}"
}
get_refrence_path()
{
local dmref value path
dmref="${1}"
value="${2}"
path=""
path=$(grep "${dmref}\d.Alias " ${RESET_FILE}|grep -w "${value}")
path=${path%.*}
echo "${path}"
}
convert_to_hex() {
local val=""
local optval="${1}"
OPTIND=1
while getopts ":" opt "-$optval"
do
temp=$(printf "%02X" "'${OPTARG:-:}")
val="${val}:${temp}"
done
echo "${val}"
}
check_for_suboptions() {
new_opt=""
# Check if option 25 and 29 present inside enterprise id 3561
data=$(echo "${1}" | sed 's/://g')
len=$(printf "${data}"|wc -c)
rem_len="${len}"
while [ $rem_len -gt 8 ]; do
subopt_present=0
ent_id="${data:0:8}"
ent_id=$(printf "%d\n" "0x$ent_id")
if [ $ent_id -ne 3561 ]; then
len_val=${data:8:2}
data_len=$(printf "%d\n" "0x$len_val")
# add 4 byte for ent_id and 1 byte for len
data_len=$(( data_len * 2 + 10 ))
opt=${data:0:"${data_len}"}
if [ -n "${new_opt}" ]; then
new_opt="${new_opt}:$(echo ${opt} | sed 's/../&:/g;s/:$//')"
else
new_opt="$(echo ${opt} | sed 's/../&:/g;s/:$//')"
fi
# move ahead data to next enterprise id
data=${data:"${data_len}":"${rem_len}"}
rem_len=$(( rem_len - data_len ))
continue
fi
# read the length of enterprise data
len_val=${data:8:2}
data_len=$(printf "%d\n" "0x$len_val")
# add 4 byte for ent_id and 1 byte for len
data_len=$(( data_len * 2 + 10 ))
len_val=${data:8:2}
opt_len=$(printf "%d\n" "0x$len_val")
if [ $opt_len -eq 0 ]; then
echo "${new_opt}"
return 0
fi
# populate the option data of enterprise id
sub_data_len=$(( opt_len * 2))
# starting 10 means ahead of length field
sub_data=${data:10:"${sub_data_len}"}
# parsing of suboption of option 125
while [ $sub_data_len -gt 0 ]; do
# get the suboption id
sub_opt_id=${sub_data:0:2}
sub_opt_id=$(printf "%d\n" "0x$sub_opt_id")
case "${sub_opt_id}" in
"25") subopt_present=1
;;
"26") subopt_present=1
;;
"27") subopt_present=1
;;
"28") subopt_present=1
;;
"29") subopt_present=1
;;
esac
if [ $subopt_present -eq 1 ]; then
break;
fi
# get the length of suboption
sub_opt_len=${sub_data:2:2}
sub_opt_len=$(printf "%d\n" "0x$sub_opt_len")
sub_opt_len=$(( sub_opt_len * 2 ))
# add 2 bytes for sub_opt id and sub_opt len field
sub_opt_end=$(( sub_opt_len + 4 ))
# update the remaining sub option hex string length
sub_data_len=$((sub_data_len - sub_opt_end))
# fetch next sub option hex string
sub_data=${sub_data:${sub_opt_end}:${sub_data_len}}
done
if [ $subopt_present -eq 1 ]; then
# move ahead data to next enterprise id
rem_len=$(( rem_len - $data_len ))
data=${data:"${data_len}":"${rem_len}"}
else
opt=${data:0:"${data_len}"}
if [ -n "${new_opt}" ]; then
new_opt="${new_opt}:$(echo ${opt} | sed 's/../&:/g;s/:$//')"
else
new_opt="$(echo ${opt} | sed 's/../&:/g;s/:$//')"
fi
# move ahead data to next enterprise id
rem_len=$(( rem_len - $data_len ))
data=${data:"${data_len}":"${rem_len}"}
fi
done
echo "${new_opt}"
}
configure_dnsmasq_op125() {
intf="${1}"
endpoint=""
proto=""
address=""
port=""
topic=""
prov_code="obusp-client"
interval="5"
multiplier="2000"
config_load ${CONFIGURATION}
config_get endpoint controller EndpointID
config_get proto controller Protocol
if [ -z "${endpoint}" ] || [ -z "${proto}" ]; then
return 0
fi
if [ "${proto}" = "MQTT" ]; then
config_get port mqtt BrokerPort "1883"
config_get topic controller ResponseTopicConfigured
proto="mqtt://"
else
return 0
fi
address=$(ifstatus "${intf}" | jsonfilter -q -e '@["ipv4-address"][0].address')
if [ -z "${address}" ] || [ -z "${topic}" ]; then
return 0
fi
subop_present=0
opt125="125,"
base_opt=""
service="$(uci -q get dhcp."${intf}".dhcpv4)"
if [ "${service}" = "server" ]; then
opt_list="$(uci -q get dhcp."${intf}".dhcp_option)"
for sopt in $opt_list; do
if [[ "$sopt" == "$opt125"* ]]; then
base_opt=$(check_for_suboptions "${sopt:4}")
uci -q del_list dhcp."${intf}".dhcp_option="$sopt"
uci -q commit dhcp
break
fi
done
else
return 0
fi
if [ -z "${base_opt}" ]; then
opt125="125,00:00:0D:E9"
else
opt125="125,${base_opt}:00:00:0D:E9"
fi
url="${proto}${address}:${port}${topic}"
url_len=$(echo -n "${url}" | wc -m)
prov_code_len=$(echo -n "${prov_code}" | wc -m)
endpoint_len=$(echo -n "${endpoint}" | wc -m)
interval_len=$(echo -n "${interval}" | wc -m)
multiplier_len=$(echo -n "${multiplier}" | wc -m)
([ ${url_len} -gt 255 ] || [ ${prov_code_len} -gt 255 ] || [ ${endpoint_len} -gt 255 ]) && return 0
([ ${interval_len} -gt 255 ] || [ ${multiplier_len} -gt 255 ]) && return 0
opt125_len=$((url_len + prov_code_len + endpoint_len + interval_len + multiplier_len))
opt125_len=$((opt125_len + 10))
[ $opt125_len -gt 255 ] && return 0
hex_opt125_len=$(printf "%02X" "${opt125_len}")
opt125="${opt125}:${hex_opt125_len}"
hex_url=$(convert_to_hex "${url}")
if [ -z "${hex_url}" ]; then
return 0
fi
hex_url_len=$(printf "%02X" "${url_len}")
opt125="${opt125}:19:${hex_url_len}${hex_url}"
hex_prov_code=$(convert_to_hex "${prov_code}")
if [ -z "${hex_prov_code}" ]; then
return 0
fi
hex_prov_len=$(printf "%02X" "${prov_code_len}")
opt125="${opt125}:1A:${hex_prov_len}${hex_prov_code}"
hex_interval=$(convert_to_hex "${interval}")
if [ -z "${hex_interval}" ]; then
return 0
fi
hex_interval_len=$(printf "%02X" "${interval_len}")
opt125="${opt125}:1B:${hex_interval_len}${hex_interval}"
hex_multiplier=$(convert_to_hex "${multiplier}")
if [ -z "${hex_multiplier}" ]; then
return 0
fi
hex_multiplier_len=$(printf "%02X" "${multiplier_len}")
opt125="${opt125}:1C:${hex_multiplier_len}${hex_multiplier}"
hex_endpoint=$(convert_to_hex "${endpoint}")
if [ -z "${hex_endpoint}" ]; then
return 0
fi
hex_endpoint_len=$(printf "%02X" "${endpoint_len}")
opt125="${opt125}:1D:${hex_endpoint_len}${hex_endpoint}"
uci -q add_list dhcp."${intf}".dhcp_option="$opt125"
ubus call uci commit '{"config":"dhcp"}'
}
boot() {
local enabled
local interface
config_load ${CONFIGURATION}
config_get_bool enabled global enabled 0
config_get interface global interface "lan"
if [ "${enabled}" -eq 0 ]; then
return 0;
fi
# Check if device is an extender nothing to do
lan_proto="$(uci -q get network.lan.proto)"
if [ "${lan_proto}" == "dhcp" ]; then
# extender so return
return 0;
fi
configure_dnsmasq_op125 "${interface}"
start
}
validate_global_section()
{
uci_validate_section ${CONFIGURATION} uspc "${1}" \
'enabled:bool:1' \
'debug:bool:0' \
'prototrace:bool:0' \
'log_level:uinteger' \
'log_dest:string' \
'db_file:string'
}
validate_mqtt_client_section()
{
uci_validate_section ${CONFIGURATION} mqtt "${1}" \
'Enable:bool:1' \
'BrokerAddress:string' \
'BrokerPort:port:1883' \
'Username:string' \
'Password:string' \
'ProtocolVersion:or("3.1", "3.1.1","5.0"):5.0' \
'TransportProtocol:or("TCP/IP","TLS"):TCP/IP' \
'ClientID:string'
}
validate_controller_section()
{
uci_validate_section ${CONFIGURATION} mtp "${1}" \
'EndpointID:string' \
'Protocol:or("MQTT", "WebSocket")' \
'ResponseTopicConfigured:string' \
'Destination:string' \
'Port:port' \
'Path:string' \
'mqtt:string' \
'stomp:string' \
'Reference:string' \
'EnableEncryption:bool:0'
}
configure_controller() {
local EndpointID Protocol ResponseTopicConfigured
local Destination Path Port EnableEncryption Reference
local stomp mqtt dm_ref sec
sec="${1}"
validate_controller_section "${1}" || {
log "Validation of mtp section failed"
return 1;
}
if [ -z "${EndpointID}" ]; then
log "EndpointID not defined for controller"
return 1;
fi
db_set Device.LocalAgent.EndpointID "${EndpointID}"
sec="${sec/mtp_/cpe-}"
get_base_path "Device.LocalAgent.MTP." "${sec}"
if [ -z "${BASEPATH}" ]; then
log "Failed to get path [$BASEPATH]"
return 1;
fi
if [ -z "${Protocol}" ]; then
log "Protocol not defined for the mtp[${1}] section"
return 1;
fi
dm_ref=""
if [ -z "${Reference}" ]; then
if [ "${Protocol}" = "STOMP" ]; then
stomp="${stomp/stomp_/cpe-}"
dm_ref=$(get_refrence_path "Device.STOMP.Connection." "${stomp}")
elif [ "${Protocol}" = "MQTT" ]; then
mqtt="${mqtt/mqtt_/cpe-}"
dm_ref=$(get_refrence_path "Device.MQTT.Client." "${mqtt}")
fi
else
dm_ref="${Reference}"
fi
db_set "${BASEPATH}.Alias" "${sec}"
db_set "${BASEPATH}.Enable" "1"
db_set "${BASEPATH}.Protocol" "${Protocol}"
if [ "${Protocol}" = "MQTT" ]; then
db_set "${BASEPATH}.MQTT.Reference" "${dm_ref}"
db_set "${BASEPATH}.MQTT.ResponseTopicConfigured" "${ResponseTopicConfigured}"
elif [ "${Protocol}" = "STOMP" ]; then
db_set "${BASEPATH}.STOMP.Reference" "${dm_ref}"
db_set "${BASEPATH}.STOMP.Destination" "${Destination}"
elif [ "${Protocol}" = "CoAP" ]; then
db_set "${BASEPATH}.CoAP.Path" "${Path}"
db_set "${BASEPATH}.CoAP.Port" "${Port}"
elif [ "${Protocol}" = "WebSocket" ]; then
db_set "${BASEPATH}.WebSocket.Path" "${Path}"
db_set "${BASEPATH}.WebSocket.Port" "${Port}"
db_set "${BASEPATH}.WebSocket.EnableEncryption" "${EnableEncryption}"
fi
db_set
}
validate_agent_section()
{
uci_validate_section ${CONFIGURATION} agent "${1}" \
'name:string' \
'EndpointID:string' \
'Topic:string'
}
configure_agent() {
local EndpointID Topic name
local stomp mqtt dm_ref sec
sec="${1}"
validate_agent_section "${1}" || {
log "Validation of agent section failed"
return 1;
}
if [ -z "${EndpointID}" ]; then
log "EndpointID not defined for agent"
return 1;
fi
if [ -z "${Topic}" ]; then
log "Topic not defined for agent"
return 1;
fi
sec="${sec/mtp_/cpe-}"
get_base_path "Device.LocalAgent.Controller." "${sec}"
if [ -z "${BASEPATH}" ]; then
log "Failed to get path [$BASEPATH]"
return 1;
fi
db_set "${BASEPATH}.Alias" "${sec}"
db_set "${BASEPATH}.Enable" "1"
db_set "${BASEPATH}.EndpointID" "${EndpointID}"
db_set "${BASEPATH}.MTP.1.Enable" "1"
db_set "${BASEPATH}.MTP.1.Protocol" "MQTT"
db_set "${BASEPATH}.MTP.1.MQTT.Reference" "Device.MQTT.Client.1"
db_set "${BASEPATH}.MTP.1.MQTT.Topic" "${Topic}"
db_set
}
configure_mqtt_client() {
local BrokerAddress BrokerPort Enable Username Password ProtocolVersion
local TransportProtocol ClientID
local sec
sec="${1}"
validate_mqtt_client_section "${1}" || {
log "Validation of mqtt section failed"
return 1;
}
sec="${sec/mqtt_/cpe-}"
get_base_path "Device.MQTT.Client." "${sec}"
if [ -z "${BASEPATH}" ]; then
log "Failed to get path [$BASEPATH]"
return 1;
fi
db_set "${BASEPATH}.Alias" "${sec}"
db_set "${BASEPATH}.Enable" "${Enable}"
db_set "${BASEPATH}.BrokerAddress" "${BrokerAddress}"
db_set "${BASEPATH}.BrokerPort" "${BrokerPort}"
db_set "${BASEPATH}.Username" "${Username}"
db_set "${BASEPATH}.Password" "${Password}"
db_set "${BASEPATH}.ProtocolVersion" "${ProtocolVersion}"
db_set "${BASEPATH}.TransportProtocol" "${TransportProtocol}"
db_set "${BASEPATH}.ClientID" "${ClientID}"
db_set
}
configure_uspc() {
local enabled trust_cert ifname interface debug prototrace log_level db_file log_dest
local client_cert
validate_global_section "global"
if [ "${debug}" -ne "0" ]; then
# Forward stdout of the command to logd
procd_set_param stdout 1
# Same for stderr
procd_set_param stderr 1
fi
procd_append_param command -u
if [ "${prototrace}" -eq 1 ]; then
procd_append_param command -p
fi
if [ -n "${log_level}" ]; then
procd_append_param command -v "${log_level}"
fi
if [ -n "${log_dest}" ]; then
procd_append_param command -l "${log_dest}"
fi
if [ -f "${RESET_FILE}" ]; then
procd_append_param command -r ${RESET_FILE}
fi
}
# Create factory reset file
db_init()
{
# Load configuration
config_load $CONFIGURATION
config_get SQL_DB_FILE global db_file "/tmp/usp/uspc.db"
# Remove DB and generate from uci
[ -f "${SQL_DB_FILE}" ] && rm -f "${SQL_DB_FILE}"
# Remove reset file if present
[ -f "${RESET_FILE}" ] && rm -f ${RESET_FILE}
config_load $CONFIGURATION
global_init
config_foreach configure_mqtt_client mqtt
global_init
config_foreach configure_controller controller
global_init
config_foreach configure_agent agent
return 0;
}
register_service()
{
procd_open_instance ${CONFIGURATION}
procd_set_param command ${PROG}
configure_uspc
procd_set_param respawn \
"${respawn_threshold:-5}" \
"${respawn_timeout:-10}" "${respawn_retry:-3}"
procd_close_instance
}
start_service() {
local enabled mode
config_load ${CONFIGURATION}
config_get_bool enabled global enabled 0
if [ "${enabled}" -eq 0 ]; then
return 0;
fi
# Check if device is an extender then do not start the service
lan_proto="$(uci -q get network.lan.proto)"
if [ "${lan_proto}" == "dhcp" ]; then
# extender so return
return 0;
fi
mkdir -p /tmp/usp/
db_init
register_service
}
stop_service() {
${PROG} -c stop >/dev/null 2>&1
}
reload_service() {
stop
start
}
service_triggers() {
procd_add_reload_trigger "uspc"
}