4 Commits

Author SHA1 Message Date
e5a41ec931 - Update changelog for release. 2025-09-03 14:51:05 +02:00
a0d8a55ca8 - Fix stupid -x on the shebang line of vpn lib! 2025-09-01 19:33:27 +02:00
fc549dfea0 - Add network reinit() function,
- Add reinit at each supervisor end loop,
- Fix address refresh algorithm,
- Fix log function parameter passing bug.
2025-09-01 19:22:40 +02:00
b1c51d6cfd - Improve device up api events,
- Improve openvpn stats reporting,
- Add a new conection state for gateways device up with no gateway client conected.
2025-09-01 01:09:29 +02:00
8 changed files with 342 additions and 105 deletions

View File

@@ -1,3 +1,15 @@
------------------------------------------------------------------------------------------------------------------------------------
Network Tools V 1.1.1 - A. GIBERT - 2025/09/03
------------------------------------------------------------------------------------------------------------------------------------
- Add a new conection state for gateways device up with no gateway client conected,
- Improve openvpn stats reporting,
- Improve device up api events,
- Add network reinit() function,
- Add reinit at each supervisor end loop.
------------------------------------------------------------------------------------------------------------------------------------
Network Tools V 1.1.0 - A. GIBERT - 2025/08/26
------------------------------------------------------------------------------------------------------------------------------------

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@@ -361,7 +361,7 @@ log_print()
log_trace()
{
log_print "${LOG_FILE}" "${LOG_LOCK}" "${LOG_ECHO}" "TRA" $*
log_print "${LOG_FILE}" "${LOG_LOCK}" "${LOG_ECHO}" "TRA" "$@"
}
@@ -374,7 +374,7 @@ log_trace()
log_info()
{
log_print "${LOG_FILE}" "${LOG_LOCK}" "${LOG_ECHO}" "INF" $*
log_print "${LOG_FILE}" "${LOG_LOCK}" "${LOG_ECHO}" "INF" "$@"
}
@@ -387,7 +387,7 @@ log_info()
log_warning()
{
log_print "${LOG_FILE}" "${LOG_LOCK}" "${LOG_ECHO}" "WRN" $*
log_print "${LOG_FILE}" "${LOG_LOCK}" "${LOG_ECHO}" "WRN" "$@"
}
@@ -400,5 +400,5 @@ log_warning()
log_error()
{
log_print "${LOG_FILE}" "${LOG_LOCK}" "${LOG_ECHO}" "ERR" $*
log_print "${LOG_FILE}" "${LOG_LOCK}" "${LOG_ECHO}" "ERR" "$@"
}

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@@ -291,6 +291,14 @@ dns_init()
dns_deinit()
{
:;
DNS_A_TAB=()
DNS_A_ID_LIST=""
DNS_PTR_TAB=()
DNS_PTR_ID_LIST=""
DNS_CACHE_UPDATED=0
# :;
}

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@@ -168,6 +168,72 @@ network_common_dump()
#--------------------------------------------------------------------------------------------------------------------------
# network_common_openvpn_stats_get
#--------------------------------------------------------------------------------------------------------------------------
network_common_openvpn_stats_get()
{
local device="$1"
local client="$2"
if [[ "${client}" == "" ]]
then
client=".*"
else
if [[ "${device}" == "" ]]
then
tmp="$( echo "${NETWORK_OPENVPN_STATUS}" | grep "CLIENT_LIST,${client},")"
tmp="${tmp/*\//}"
device="${tmp/.status*/}"
fi
fi
if [[ "${device}" != "" ]]
then
if [[ "${NETWORK_OPENVPN_STATUS}" =~ ("${device}.status: TITLE") ]]
then
# OpenVPN Server Mode
OIFS="${IFS}"
IFS=","
set XXX/$( echo "${NETWORK_OPENVPN_STATUS}" | grep "${device}\.status: CLIENT_LIST,${client},") &>/dev/null
IFS="${OIFS}"
tmp="${1/XXX*\//}"
ovpn_stat_device="${tmp/.status*/}"
ovpn_stat_client_name="$2"
ovpn_stat_address_ext="$3"
ovpn_stat_address_int="$4"
ovpn_stat_address_int6="$5"
ovpn_stat_bytes_received="$6"
ovpn_stat_bytes_sent="$7"
ovpn_stat_connected_date="$8"
ovpn_stat_connected_time_t="$9"
ovpn_stat_user_name="$10"
ovpn_stat_client_id="$11"
ovpn_stat_peer_id="$12"
ovpn_stat_cipher="$13"
else
# OpenVPN Client Mode
set XXX/$( echo "${NETWORK_OPENVPN_STATUS}" | grep "${device}\.status:") &>/dev/null
tmp="${1/XXX*\//}"
ovpn_stat_device="${tmp/.status*/}"
ovpn_stat_bytes_received="${18/bytes,}"
ovpn_stat_bytes_sent="${22/bytes,}"
fi
else
ovpn_stat_device=""
fi
}
#--------------------------------------------------------------------------------------------------------------------------
# network_ip_route_tab_load
#--------------------------------------------------------------------------------------------------------------------------
@@ -232,6 +298,7 @@ network_ip_route_tab_dump()
{
echo "NETWORK_IP_ROUTE_ID_LIST: [${NETWORK_IP_ROUTE_ID_LIST}]"
echo
echo "NETWORK_IP_ROUTE_IP_IDX:"
@@ -242,6 +309,7 @@ network_ip_route_tab_dump()
echo
echo "NETWORK_IP_ROUTE_TAB:"
for key in "${!NETWORK_IP_ROUTE_TAB[@]}"
@@ -293,8 +361,6 @@ network_dst_tab_load()
ndtl_status="$( ip link show dev ${ndtl_device} 2>/dev/null | grep -q ",UP," && echo "1" || echo "0")"
tab_assign NETWORK_DST_TAB "${ndtl_id},Status" "${ndtl_status}"
if [[ "${ndtl_type}" == "5" ]]
@@ -303,8 +369,8 @@ network_dst_tab_load()
dns_value=""
else
ndtl_host_name="vpn${vpn_id}.${NETWORK_DST_NAME}"
dns_lookup "A" "${ndtl_host_name}" "NOCACHE"
vpn_id=$((${vpn_id} + 1))
dns_lookup "A" "${ndtl_host_name}" "NOCACHE"
vpn_id=$((${vpn_id} + 1))
fi
tab_assign NETWORK_DST_TAB "${ndtl_id},Host_Name" "${ndtl_host_name}"
@@ -312,24 +378,35 @@ network_dst_tab_load()
case "${ndtl_type}"
in
"0"|"1")
"0")
ndtl_bytes_received="$( cat /sys/class/net/${ndtl_device}/statistics/rx_bytes 2>/dev/null | numfmt --to=iec-i --suffix=B)"
ndtl_bytes_sent="$( cat /sys/class/net/${ndtl_device}/statistics/tx_bytes 2>/dev/null | numfmt --to=iec-i --suffix=B)"
;;
;;
"2")
set $( echo "${NETWORK_OPENVPN_STATUS}" | grep ${ndtl_device}'\.') &>/dev/null
# i=1; while [[ $i -lt 50 ]]; do eval "val=\${$i}"; echo "($i):[${val}]" 1>&2; i=$(( $i + 1)); done
ndtl_bytes_received="$( echo ${18/bytes,} | numfmt --to=iec-i --suffix=B)"
ndtl_bytes_sent="$( echo ${22/bytes,} | numfmt --to=iec-i --suffix=B)"
;;
"1"|"2")
network_common_openvpn_stats_get "${ndtl_device}" ""
if [[ ( "${ndtl_type}" == "1") && ( "${ndtl_status}" == "1") && ( "${ovpn_stat_client_name}" == "") ]]
then
ndtl_status="2"
ndtl_bytes_received=""
ndtl_bytes_sent=""
else
ndtl_bytes_received="$( echo ${ovpn_stat_bytes_received} | numfmt --to=iec-i --suffix=B)"
ndtl_bytes_sent="$( echo ${ovpn_stat_bytes_sent} | numfmt --to=iec-i --suffix=B)"
fi
;;
esac
tab_assign NETWORK_DST_TAB "${ndtl_id},Status" "${ndtl_status}"
if [[ "${ndtl_status}" == "1" ]]
then
ndtl_start_date="$( stat -c %Z /sys/class/net/${ndtl_device})"
ndtl_uptime="$( echo $(( $(date +%s) - ${ndtl_start_date})) | awk '{days = int($1/86400); print days " day" (( days > 1 ) ? "s" : "") strftime(" %H:%M:%S", $1,1)}')"
else
@@ -388,8 +465,19 @@ network_dst_tab_get()
network_dst_tab_dump()
{
echo "NETWORK_DST_TYPE:"
for key in "${!NETWORK_DST_TYPE[@]}"
do
echo "[${key}]: [${NETWORK_DST_TYPE[${key}]}]"
done | sort -n
echo
echo "NETWORK_DST_ID_LIST: [${NETWORK_DST_ID_LIST}]"
echo
echo "NETWORK_DST_NAME_IDX:"
@@ -400,6 +488,7 @@ network_dst_tab_dump()
echo
echo "NETWORK_DST_DEV_IDX:"
for key in "${!NETWORK_DST_DEV_IDX[@]}"
@@ -409,6 +498,7 @@ network_dst_tab_dump()
echo
echo "NETWORK_DST_TAB:"
for key in "${!NETWORK_DST_TAB[@]}"
@@ -464,12 +554,12 @@ network_dst_ip_update()
if [[ "${dst_ip}" != "${dst_ip_new}" ]]
then
log_info "Network" "Update ${dst_host_name}: Old: [${dst_ip}] New: [${dst_ip_new}]"
log_info "Network" "Update [${dst_host_name}]: Old: [${dst_ip}] New: [${dst_ip_new}]"
${DEBUG} /usr/local/sbin/ip_host_update "${dst_host_name/.*}" "${dst_host_name#*.}" "${dst_ip_new}" 60
tab_assign NETWORK_DST_TAB "${dst_id},IP" "${dst_ip_new}"
else
log_trace "Network" "Skiping ${dst_host_name}: IP: [${dst_ip}]"
log_trace "Network" "Skiping [${dst_host_name}]: IP: [${dst_ip}]"
fi
}
@@ -494,7 +584,7 @@ network_dst_name_ip_update()
network_dst_tab_get "${dst_id}"
network_dst_ip_update "${dst_ip_new}"
else
log_error "Network: dst name not found: [${dst_name}]"
log_error "Network" "dst name not found: [${dst_name}]"
fi
}
@@ -548,53 +638,55 @@ network_src_tab_load()
# [[ $nstl_host_name =~ ([0-9]+) ]]
# nstl_device="${NETWORK_SRC_LOCAL_DEVICE}-${BASH_REMATCH[1]}"
ip_num=$(ip_to_num ${nstl_ip})
device_num="$(( ( ${ip_num} - ${ip_base}) / 4))"
ip_num=$(ip_to_num ${nstl_ip})
device_num="$(( ( ${ip_num} - ${ip_base}) / 4))"
nstl_device="${NETWORK_SRC_LOCAL_DEVICE}-${device_num}"
;;&
nstl_status="$( ip link show dev ${nstl_device} 2>/dev/null | grep -q ",UP," && echo "1" || echo "0")"
if [[ "${nstl_status}" == 1 ]]
then
nstl_bytes_received="$( cat /sys/class/net/${nstl_device}/statistics/rx_bytes 2>/dev/null | numfmt --to=iec-i --suffix=B)"
nstl_bytes_sent="$( cat /sys/class/net/${nstl_device}/statistics/tx_bytes 2>/dev/null | numfmt --to=iec-i --suffix=B)"
nstl_start_date="$( stat -c %Z /sys/class/net/${nstl_device})"
nstl_uptime="$( echo $(( $(date +%s) - ${nstl_start_date})) | awk '{days = int($1/86400); print days " day" (( days > 1 ) ? "s" : "") strftime(" %H:%M:%S", $1,1)}')"
else
nstl_bytes_received=""
nstl_bytes_sent=""
nstl_uptime=""
nstl_last_seen=""
fi
;;
"1") # Routed
nstl_device=""
;;&
"0"|"1") # Local + Routed
nstl_device=""
nstl_status="2"
nstl_bytes_received=""
nstl_bytes_sent=""
nstl_uptime=""
nstl_last_seen=""
;;
;;
"2") # OpenVPN
# nstl_device="tun0"
# nstl_status_line="$( echo "${NETWORK_OPENVPN_STATUS}" | grep "${nstl_device}.status: CLIENT_LIST.*${nstl_ip},")"
network_common_openvpn_stats_get "" "${nstl_host_name}"
nstl_status_line="$( echo "${NETWORK_OPENVPN_STATUS}" | grep "CLIENT_LIST,.*${nstl_ip},")"
if [[ "${nstl_status_line}" == "" ]]
if [[ "${ovpn_stat_device}" == "" ]]
then
nstl_device=""
nstl_status="0"
nstl_device=""
nstl_status="0"
nstl_bytes_received=""
nstl_bytes_sent=""
nstl_start_date=""
nstl_uptime=""
nstl_last_seen="$( stat -c "%x" /etc/openvpn/status/${nstl_host_name}.status 2>/dev/null | sed -e 's/\..*//')"
else
nstl_status="1"
IFS=,
set ${nstl_status_line} &>/dev/null
unset IFS
nstl_device="$( echo $1 | sed -e "s%.*/%%" -e 's/.status.*//')"
nstl_bytes_received=$( echo ${6} | numfmt --to=iec-i --suffix=B)
nstl_bytes_sent=$( echo ${7} | numfmt --to=iec-i --suffix=B)
nstl_start_date=${8}
nstl_uptime=$( echo "$(($(date +%s) - $(date -d "${nstl_start_date}" +%s)))" | awk '{days = int($1/86400); print days " day" (( days > 1 ) ? "s" : "") strftime(" %H:%M:%S", $1,1)}')
nstl_device="${ovpn_stat_device}"
nstl_status="1"
nstl_bytes_received=$( echo ${ovpn_stat_bytes_sent} | numfmt --to=iec-i --suffix=B)
nstl_bytes_sent=$( echo ${ovpn_stat_bytes_sent} | numfmt --to=iec-i --suffix=B)
nstl_start_date=${ovpn_stat_connected_date}
nstl_uptime=$( echo "$(($(date +%s) - $(date -d "${nstl_start_date}" +%s)))" | awk '{days = int($1/86400); print days " day" (( days > 1 ) ? "s" : "") strftime(" %H:%M:%S", $1,1)}')
nstl_last_seen="$(stat -c "%x" /etc/openvpn/status/${nstl_host_name}.status 2>/dev/null | sed -e 's/\..*//')"
fi
;;
@@ -680,6 +772,16 @@ network_src_tab_get()
network_src_tab_dump()
{
echo "NETWORK_SRC_TYPE:"
for key in "${!NETWORK_SRC_TYPE[@]}"
do
echo "[${key}]: [${NETWORK_SRC_TYPE[${key}]}]"
done | sort -n
echo
echo "NETWORK_SRC_ID_LIST: [${NETWORK_SRC_ID_LIST}]"
echo
@@ -772,7 +874,7 @@ network_route_dst_init()
local dst_id="$1"
network_dst_tab_get ${dst_id}
network_dst_tab_get "${dst_id}"
if [[ ${dst_type} == "0" ]]
then
@@ -792,8 +894,22 @@ network_route_dst_init()
fi
target_device=${dst_device}
# network_route_rx3_init ${dst_device}
}
#--------------------------------------------------------------------------------------------------------------------------
# network_route_rx3_init
#--------------------------------------------------------------------------------------------------------------------------
network_route_rx3_init()
{
local target_device="$1"
log_trace "Network" "Add [${target_device}] Rx3 routes in VPN tables"
for dst_id in ${NETWORK_DST_ID_LIST}
@@ -806,7 +922,7 @@ network_route_dst_init()
if [[ "${ip_route_device}" == "${target_device}" ]]
then
${DEBUG} ip route add ${ip_route_ip}/${ip_route_mask} table ${dst_table} dev ${ip_route_device}
${DEBUG} ip route add ${ip_route_ip}/${ip_route_mask} dev ${ip_route_device} table ${dst_table}
fi
done
done
@@ -845,6 +961,65 @@ network_route_other_init()
#--------------------------------------------------------------------------------------------------------------------------
# network_device_init
#--------------------------------------------------------------------------------------------------------------------------
network_device_init()
{
local dst_id="$1"
local device_name="$2"
log_trace "Network" "Init dst_id: [${dst_id}] device_name: [${device_name}]"
if [[ "${dst_id}" == "" ]]
then
network_dst_tab_dev_lookup "${device_name}"
fi
if [[ "${dst_id}" != "" ]]
then
network_route_dst_init "${dst_id}"
device_name="${dst_device}"
fi
network_route_rx3_init "${device_name}"
}
#--------------------------------------------------------------------------------------------------------------------------
# network_device_deinit
#--------------------------------------------------------------------------------------------------------------------------
network_device_deinit()
{
local dst_id="$1"
local device_name="$2"
log_trace "Network" "DeInit dst_id: [${dst_id}] device_name: [${device_name}]"
if [[ "${dst_id}" == "" ]]
then
network_dst_tab_dev_lookup "${device_name}"
fi
if [[ "${dst_id}" != "" ]]
then
network_dst_tab_get "${dst_id}"
network_dst_ip_update "0.0.0.0"
fi
}
#--------------------------------------------------------------------------------------------------------------------------
# network_route_init
#--------------------------------------------------------------------------------------------------------------------------
@@ -853,9 +1028,15 @@ network_route_init()
{
for dst_id in ${NETWORK_DST_ID_LIST}
do
network_route_dst_init ${dst_id}
network_route_other_init ${dst_id}
network_device_init "${dst_id}" ""
network_route_other_init "${dst_id}"
done
# for dst_id in ${NETWORK_DST_ID_LIST}
# do
# network_route_dst_init ${dst_id}
# network_route_other_init ${dst_id}
# done
}
@@ -962,24 +1143,40 @@ network_dst_address_refresh()
local proxy_port=8080
network_dst_tab_get "${dst_id}"
network_dst_tab_get "${dst_id}"
if [[ ( "${dst_host_name}" != "" ) ]]
then
if [[ ( "${dst_host_name}" != "" )]]
then
if [[ ${dst_host_name} =~ ([0-9]+) ]]
then
proxy_host="proxy${BASH_REMATCH[1]}.${NETWORK_DST_PROXY_NAME}"
dst_ip_new="$( nc -w ${NETWORK_NC_TIMEOUT} ${proxy_host} ${proxy_port} 2>/dev/null)"
if is_valid_ip "${dst_ip_new}"
then
network_dst_ip_update "${dst_ip_new}"
if [[ ( "${dst_status}" == 1) || ( ( "${dst_status}" != 1) && ( "${dst_ip}" != "0.0.0.0")) ]]
then
if [[ ( ( "${dst_ip}" != "0.0.0.0") && ( "${dst_status}" != 1)) ]]
then
log_info "Network" "Reseting IP: [${dst_host_name}]: IP: [${dst_ip_new}] Status: (${dst_status})"
dst_ip_new="0.0.0.0"
else
dst_ip_new="$( nc -w "${NETWORK_NC_TIMEOUT}" "${proxy_host}" "${proxy_port}" 2>/dev/null)"
fi
if is_valid_ip "${dst_ip_new}"
then
if [[ "${dst_ip}" != "${dst_ip_new}" ]]
then
network_dst_ip_update "${dst_ip_new}"
else
log_trace "Network" "Skiping: [${dst_host_name}]: No changes..."
fi
else
log_info "Network" "Skiping: [${dst_host_name}]: Invalid IP: [${dst_ip_new}]"
fi
else
log_info "Network" "Skiping: [${dst_host_name}]: Invalid IP: [${dst_ip_new}]"
log_trace "Network" "Skiping: [${dst_host_name}]: Device not Up..."
fi
else
log_info "Network" "Skiping: dst_id: [${dst_id}]: Invalid host_name: [${dst_host_name}]"
log_info "Network" "Skiping: dst_id: [${dst_id}]: Invalid host_name: [${dst_host_name}]"
fi
fi
}
@@ -1317,7 +1514,38 @@ network_init()
network_deinit()
{
dns_deinit
NETWORK_OPENVPN_STATUS=""
NETWORK_IP_ROUTE_TAB=()
NETWORK_IP_ROUTE_ID_LIST=""
NETWORK_IP_ROUTE_IP_IDX=()
NETWORK_SRC_TYPE=""
NETWORK_SRC_TAB=()
NETWORK_SRC_ID_LIST=""
NETWORK_SRC_IP_IDX=()
NETWORK_DST_TYPE=""
NETWORK_DST_TAB=()
NETWORK_DST_ID_LIST=""
NETWORK_DST_NAME_IDX=()
NETWORK_DST_DEV_IDX=()
dns_deinit
}
#--------------------------------------------------------------------------------------------------------------------------
# network_reinit
#--------------------------------------------------------------------------------------------------------------------------
network_reinit()
{
network_deinit
network_init
}

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@@ -1,4 +1,4 @@
#!/bin/bash -x
#!/bin/bash
if [[ "${VPN_BASH}" != "" ]]
then
@@ -348,6 +348,8 @@ vpn_supervisor()
log_trace "VPN" "Refreshing DNS entries..."
network_dst_address_refresh_all
network_reinit
done
}

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@@ -39,23 +39,8 @@ Local_Netmask="$5"
network_init
network_dst_tab_dev_lookup "${Dev}"
network_dst_tab_get "${dst_id}"
log_info "VPN-Down" "[${Dev}]: Local_MTU: [${Local_MTU}] Remote_MTU: [${Remote_MTU}] Local_Address: [${Local_Address}] Local_Netmask: [${Local_Netmask}] Dst_Table: [${dst_table}] Phase: [${Phase}] Status: [OK]"
line="[${Dev}]: Local_MTU: [${Local_MTU}] Remote_MTU: [${Remote_MTU}] Local_Address: [${Local_Address}] Local_Netmask: [${Local_Netmask}] Dst_Table: [${dst_table}] Phase: [${Phase}]"
if [[ "${dst_table}" != "" ]]
then
log_info "VPN-Down" "$line" " Status: [OK]"
remote_address=0.0.0.0
log_trace "VPN-Down" "[${Dev}]: set ${remote_address} to vpn${id}.vpn.rx3"
${DEBUG} ip_host_update vpn${id} vpn.rx3 ${remote_address} 60
else
log_error "VPN-Down" "$line" " Status: [ERROR]!"
fi
network_device_deinit "" "${Dev}"
log_trace "VPN-Down" "[${Dev}]: Done!"

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@@ -40,20 +40,9 @@ Local_Netmask="$5"
network_init
network_dst_tab_dev_lookup "${Dev}"
network_dst_tab_get "${dst_id}"
log_info "VPN-Up" "[${Dev}]: Local_MTU: [${Local_MTU}] Remote_MTU: [${Remote_MTU}] Local_Address: [${Local_Address}] Local_Netmask: [${Local_Netmask}] Phase: [${Phase}] Status: [OK]"
line="[${Dev}]: Local_MTU: [${Local_MTU}] Remote_MTU: [${Remote_MTU}] Local_Address: [${Local_Address}] Local_Netmask: [${Local_Netmask}] Dst_Table: [${dst_table}] Dst_Id: [${dst_id}] Phase: [${Phase}]"
if [[ "${dst_table}" != "" ]]
then
log_info "VPN-Up" "$line" " Status: [OK]"
log_trace "VPN-Up" "[${Dev}]: ip route add table: [${dst_table}] default dev: [${Dev}]"
network_route_dst_init ${dst_id}
else
log_error "VPN-Up" "$line" " Status: [ERROR]!"
fi
network_device_init "" "${Dev}"
log_trace "VPN-Up" "[${Dev}]: Done!"

View File

@@ -129,12 +129,25 @@ Destination_Status_Board()
then
echo -n "<TR><TD class="header">${dst_id}</TD><TD>${dst_name}</TD><TD>${NETWORK_DST_TYPE[${dst_type}]}</TD><TD>${dst_device}</TD>"
if [[ "${dst_status}" == 1 ]]
then
echo -n "<TD><IMG SRC=\"/icons/user-online.png\" TITLE=\"Up\" ALT=\"Up\"></TD>"
else
echo -n "<TD><IMG SRC=\"/icons/user-busy.png\" TITLE=\"Down\" ALT=\"Down\"></TD>"
fi
case "${dst_status}"
in
"0")
echo -n "<TD><IMG SRC=\"/icons/user-busy.png\" TITLE=\"Down\" ALT=\"Down\"></TD>"
;;
"1")
echo -n "<TD><IMG SRC=\"/icons/user-online.png\" TITLE=\"Up\" ALT=\"Up\"></TD>"
;;
"2")
echo -n "<TD><IMG SRC=\"/icons/user-unready.png\" TITLE=\"Unready\" ALT=\"Unready\"></TD>"
;;
*)
echo -n "<TD><IMG SRC=\"\" TITLE=\"Unknown\" ALT=\"Unknown\"></TD>"
;;
esac
echo "<TD>${dst_ip:--}</TD><TD>${dst_host_name:--}</TD><TD>${dst_config:--}</TD><TD>${dst_table}</TD><TD>${dst_bytes_received:--}</TD><TD>${dst_bytes_sent:--}</TD><TD>${dst_uptime:--}</TD>"
else