mirror of
https://dev.iopsys.eu/bbf/bbfdm.git
synced 2025-12-10 07:44:39 +01:00
86 lines
3.3 KiB
Bash
Executable file
86 lines
3.3 KiB
Bash
Executable file
#!/bin/sh
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# Copyright (C) 2022 iopsys Software Solutions AB
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# Author: AMIN Ben Ramdhane <amin.benramdhane@pivasoftware.com>
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. /usr/share/bbfdm/bbf_api
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LOG_FILE="/tmp/nslookup.log"
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nslookup_launch() {
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address=""
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hostname=$(uci_get_bbf_dmmap dmmap_diagnostics.nslookup.HostName)
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dnsserver=$(uci_get_bbf_dmmap dmmap_diagnostics.nslookup.DNSServer)
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cnt=$(uci_get_bbf_dmmap dmmap_diagnostics.nslookup.NumberOfRepetitions 1)
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[ "$hostname" = "" ] && return
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i=0
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j=0
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success_count=0
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[ -e "${LOG_FILE}" ] && rm ${LOG_FILE}
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while [ $i -lt "$cnt" ]; do
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i=$((i+1))
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nslookup -debug $hostname $dnsserver >>${LOG_FILE} 2>&1
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error_code="$?"
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nxd=$(cat ${LOG_FILE} | grep "NXDOMAIN")
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[ -n "$nxd" ] && { $UCI_SET_BBF_DMMAP dmmap_diagnostics.nslookup.DiagnosticState=Error_DNSServerNotResolved; $UCI_COMMIT_BBF_DMMAP; return; }
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[ "$error_code" != "0" ] && { $UCI_SET_BBF_DMMAP dmmap_diagnostics.nslookup.DiagnosticState=Error_Other; $UCI_COMMIT_BBF_DMMAP; return; }
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echo "++++++++++++++++++++++++++++++" >>${LOG_FILE}
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done
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while IFS= read line; do
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[ -z "$line" ] && continue;
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server=$(echo "$line" | tr -d '\t' | tr -d ' ' | grep "Server:" | awk -F':' '{print $2}')
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if [ -n "$server" ] && [ "$server" = "0.0.0.0" ]; then
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status="Error_DNSServerNotAvailable"
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continue
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elif [ -n "$server" ]; then
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dns_server_ip=$server
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continue
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fi
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var=$(echo "$line" | tr -d '\t' | tr -d ' ' | grep "Name:" | awk -F':' '{print $2}')
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[ -n "$var" ] && { HostNameReturned=$var; status="Success"; AnswerType="Authoritative"; success_count=$((success_count+1)); continue; }
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var=$(echo "$line" | grep "Address: " | awk -F':' '{print substr($0, index($0,$2))}' | tr -d '\t' | tr -d ' ')
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[ -n "$var" ] && { [ -z "$address" ] && address="$var" || address="$address,$var"; continue; }
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var=$(echo "$line" | grep "completed" | awk -F'in' '{print $2}' | tr -d 'ms:\t ')
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[ -n "$var" ] && { ResponseTime=$var; continue; }
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echo "$line" | grep 'connection timed out' >/dev/null 2>&1 && { AnswerType="None"; status="Error_Timeout"; continue; }
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echo "$line" | grep 'Non-authoritative' >/dev/null 2>&1 && { AnswerType="NonAuthoritative"; continue; }
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if echo "$line" | grep '++++++++++++++++++++++' >/dev/null 2>&1; then
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$UCI_ADD_BBF_DMMAP dmmap_diagnostics NSLookupResult
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.@NSLookupResult[$j].Status="$status"
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.@NSLookupResult[$j].AnswerType="$AnswerType"
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.@NSLookupResult[$j].HostNameReturned="$HostNameReturned"
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.@NSLookupResult[$j].IPAddresses="$address"
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.@NSLookupResult[$j].DNSServerIP="$dns_server_ip"
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.@NSLookupResult[$j].ResponseTime="$ResponseTime"
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j=$((j+1))
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address=""
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fi
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done <${LOG_FILE}
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rm -f ${LOG_FILE}
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.nslookup.SuccessCount=$success_count
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.nslookup.DiagnosticState=Complete
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$UCI_COMMIT_BBF_DMMAP
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}
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nslookup_stop_diagnostic() {
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pids=$(pgrep -f nslookup_launch)
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if [ -n "$pids" ]; then
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kill -9 "$pids" >/dev/null 2>&1
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$UCI_SET_BBF_DMMAP dmmap_diagnostics.nslookup.DiagnosticState=None
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$UCI_COMMIT_BBF_DMMAP
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fi
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}
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if [ "$1" = "run" ]; then
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nslookup_launch
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elif [ "$1" = "stop" ]; then
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nslookup_stop_diagnostic
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else
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return
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fi
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