Debian 10 - tinydns helper scripts 
==================================

Public domain
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### /opt/tinydns-scripts/domains/example.com 

    #################################################################################
    ## domain: example.com
    #################################################################################
    
    Zexample.com:ns1.pmoghadam.ir:hostmaster.pmoghadam.ir:2012062100:16384:2048:1814400:1800
    .example.com::ns1.pmoghadam.ir:1800
    .example.com::ns2.pmoghadam.ir:1800
    @example.com::mail.iranux.org::1800
    +example.com:1.2.3.4:1800
    +www.example.com:1.2.3.4:1800

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### /opt/tinydns-scripts/comments.txt 

    ################################################################################
    # Documentation: http://cr.yp.to/djbdns/tinydns-data.html
    ################################################################################
    #
    # SOA Record
    #     Zfqdn:mname:rname:ser:ref:ret:exp:min:ttl:timestamp:lo
    #         mname: primary name server
    #         rname: contact address
    #         ser: serial number (default: the modification time of the data file)
    #         ref: refreshtime (default: 16384 seconds / 04:33:04)
    #         ret: retry time (default: 2048 seconds / 00:34:08)
    #         exp: expire time (default: 1048576 seconds / 12 day 03:16:16)
    #         min: minimum time (default: 2560 seconds / 00:42:40)
    #
    # NS  Record
    #     .fqdn:ip:x:ttl:timestamp:lo
    #         x: NS record
    #
    # A Record
    #     +fqdn:ip:ttl:timestamp:lo
    #
    # MX Record
    #     @fqdn:ip:x:dist:ttl:timestamp:lo
    #         x: mx record
    #         dist: distance (default: 0)
    #
    #

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### /opt/tinydns-scripts/create-data-file.sh 

    #!/bin/bash
    PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
    CWD=$(dirname $(readlink -f $0))
    DATAFILE="/usr/local/djbdns/tinydns/root/data"
    DOMAINSDIR="$CWD/domains"
    COMMENTS="$CWD/comments.txt"
    TMP=$(mktemp)
    
    # Check if comments file exist
    [ ! -f "$COMMENTS" ] && echo "Comments file not exist: $COMMENTS" && exit
    
    # Check if domain directory exists
    [ ! -d "$DOMAINSDIR" ] && echo "Directory not found: $DOMAINSDIR" && exit
    
    # Check if domain directory not empty
    N=$(find "$DOMAINSDIR" -type f | wc -l)
    [ "$N" == "0" ] && echo "Directory is empty: $DOMAINSDIR" && exit
    
    (cat $COMMENTS; echo; echo) > $TMP
    
    find "$DOMAINSDIR" -type f -exec cat {} \; -exec echo \; >> $TMP
    
    if ! cmp -s $TMP $DATAFILE; then
        echo "~~~~~~~~~~~~~~~~~~~~" >> $CWD/data-change.log
        date +%T-%T >> $CWD/data-change.log
        diff -ruN $DATAFILE $TMP >> $CWD/data-change.log
        echo "~~~~~~~~~~~~~~~~~~~~" >> $CWD/data-change.log
        # Create a backup before change
        cp $DATAFILE $DATAFILE.bak-$(date +%F-%s)
        cp $TMP $DATAFILE
        cd $(dirname $DATAFILE)
        make
        mv data.bak-* backups
    else
        echo "No new records"
    fi
    
    [ -e $TMP ] && rm $TMP

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_BY: Pejman Moghadam_  
_TAG: tinydns, dns_  
_DATE: 2021-06-2 07:12:46_