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reworked the parameters in order to a) have the nameservers before th… #3

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b925985
reworked the parameters in order to a) have the nameservers before th…
Apr 30, 2025
acc228a
bugfix
Apr 30, 2025
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234 changes: 153 additions & 81 deletions compare_zones.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -7,91 +7,163 @@ YELLOW=$(tput setaf 3)
RESET=$(tput setaf 7 && tput setab 0)

# Set inputs
ZONE=$1
T1=$2
T2=$3

# Quick and dirty input check
if [[ -z $T1 ]] || [[ -z $T2 ]] || [[ -z $ZONE ]]; then
echo "Usage: $0 ZONE Target_Server_1 Target_Server_2 .e.g. $0 my.com 1.2.3.4 5.6.7.8"
exit 1
fi
while [[ $# -gt 0 ]]; do
case $1 in
-1|--nameserver1)
T1="$2"
shift
shift
;;
-2|--nameserver2)
T2="$2"
shift
shift
;;
-d|--domain)
DOMAIN="$2"
shift
shift
;;
-s|--subdomain)
SUBDOMAIN="$2"
shift
shift
;;
-f|--file)
FILE="$2"
shift
shift
;;
-*|--*)
echo "Unknown option $1"
exit 1
;;
*)
POSITIONAL_ARGS+=("$1")
shift
;;
esac
done

set -- "${POSITIONAL_ARGS[@]}"

if [ ! -z "$FILE" ]; then
while read line; do
ZONE=$DOMAIN
TEMP="$line"
TEMP+=".$ZONE"
ZONE=$TEMP

echo "-------------------------------------------"
echo "Checking $ZONE"
echo "-------------------------------------------"



# Quick and dirty input check
if [[ -z $T1 ]] || [[ -z $T2 ]] || [[ -z $ZONE ]]; then
echo "Usage: $0 ZONE Target_Server_1 Target_Server_2 .e.g. $0 my.com 1.2.3.4 5.6.7.8"
exit 1
fi

# Set counters
ERROR_COUNT=0
WARN_COUNT=0

# Start looping through record types
for RECORD_TYPE in A AAAA CNAME MX TXT SOA NS ANY; do
# Get the result for this record type from each server
RESULT_T1=$(dig $RECORD_TYPE @$T1 $ZONE +short | sort)
RESULT_T2=$(dig $RECORD_TYPE @$T2 $ZONE +short | sort)

# Make a common report
REPORT="(srv: $T1):\n$RESULT_T1\n\n(srv: $T2):\n$RESULT_T2"

# Set counters
ERROR_COUNT=0
WARN_COUNT=0

#Start looping through record types
for RECORD_TYPE in A AAAA CNAME MX TXT SOA NS ANY
do

# Get the result for this record type from each server
RESULT_T1=$(dig $RECORD_TYPE @$T1 $ZONE +short|sort)
RESULT_T2=$(dig $RECORD_TYPE @$T2 $ZONE +short|sort)

# Make a common report
REPORT="(srv: $T1):\n$RESULT_T1\n\n(srv: $T2):\n$RESULT_T2"


# If the results are not equal, disaply a warning, or not depending on type
# With domain transfers you can expect SOA,NS to be different, ANY also
# Print out interesting differences

if [[ $RESULT_T1 != $RESULT_T2 ]];then

case "${RECORD_TYPE}" in
SOA)
ERROR_LEVEL="${YELLOW}WARN${RESET}"
WARN_COUNT=$((WARN_COUNT+1))
echo "${ERROR_LEVEL}: $RECORD_TYPE record differs - examine results"
echo -e "${YELLOW}${REPORT}${RESET}";;
NS)
ERROR_LEVEL="${YELLOW}WARN${RESET}"
WARN_COUNT=$((WARN_COUNT+1))
echo "${ERROR_LEVEL}: $RECORD_TYPE record differs - examine results"
echo -e "${YELLOW}${REPORT}${RESET}";;
ANY)
ERROR_LEVEL="${YELLOW}WARN${RESET}"
WARN_COUNT=$((WARN_COUNT+1))
echo "${ERROR_LEVEL}: ${RECORD_TYPE} record differs - examine results"
echo -e "${YELLOW}${REPORT}${RESET}";;
A)
ERROR_LEVEL="${RED}ERROR${RESET}"
ERROR_COUNT=$((ERROR_COUNT+1))
echo "${ERROR_LEVEL}: ${RECORD_TYPE} record differs"
echo -e "${RED}${REPORT}${RESET}";;
AAAA)
ERROR_LEVEL="${RED}ERROR${RESET}"
ERROR_COUNT=$((ERROR_COUNT+1))
echo "${ERROR_LEVEL}: ${RECORD_TYPE} record differs"
echo -e "${RED}${REPORT}${RESET}";;
CNAME)
ERROR_LEVEL="${RED}ERROR${RESET}"
ERROR_COUNT=$((ERROR_COUNT+1))
echo "${ERROR_LEVEL}: ${RECORD_TYPE} record differs"
echo -e "${RED}${REPORT}${RESET}";;
MX)
ERROR_LEVEL="${RED}ERROR${RESET}"
ERROR_COUNT=$((ERROR_COUNT+1))
echo "${ERROR_LEVEL}: ${RECORD_TYPE} record differs"
echo -e "${RED}${REPORT}${RESET}";;
TXT)
ERROR_LEVEL="${RED}ERROR${RESET}"
ERROR_COUNT=$((ERROR_COUNT+1))
echo "${ERROR_LEVEL}: ${RECORD_TYPE} record differs"
echo -e "${REPORT}";;
esac
# If the results are not equal, display a warning, or not depending on type
if [[ $RESULT_T1 != $RESULT_T2 ]]; then
case "${RECORD_TYPE}" in
SOA|NS|ANY)
ERROR_LEVEL="${YELLOW}WARN${RESET}"
WARN_COUNT=$((WARN_COUNT + 1))
echo "${ERROR_LEVEL}: $RECORD_TYPE record differs - examine results"
echo -e "${YELLOW}${REPORT}${RESET}"
;;
A|AAAA|CNAME|MX|TXT)
ERROR_LEVEL="${RED}ERROR${RESET}"
ERROR_COUNT=$((ERROR_COUNT + 1))
echo "${ERROR_LEVEL}: ${RECORD_TYPE} record differs"
echo -e "${RED}${REPORT}${RESET}"
;;
esac
else
ERROR_LEVEL="${GREEN}OK${RESET}"
echo "${ERROR_LEVEL}: ${RECORD_TYPE}"
fi
done

# Output counts
echo -e "\n${RED}ERRORS:${RESET} $ERROR_COUNT\n${YELLOW}WARNINGS:${RESET} $WARN_COUNT"
echo "--------------------------------------------"
echo ""
echo ""
done < "$FILE"
else
ERROR_LEVEL="${GREEN}OK${RESET}"
echo "${ERROR_LEVEL}: ${RECORD_TYPE}"
#echo -e "${REPORT}"
if [ ! -z "$SUBDOMAIN" ]; then
ZONE=$DOMAIN
TEMP="$SUBDOMAIN"
TEMP+=".$ZONE"
ZONE=$TEMP
else
ZONE=$DOMAIN
fi

# Quick and dirty input check
if [[ -z $T1 ]] || [[ -z $T2 ]] || [[ -z $ZONE ]]; then
echo "Usage: $0 ZONE Target_Server_1 Target_Server_2 .e.g. $0 my.com 1.2.3.4 5.6.7.8"
exit 1
fi

# Set counters
ERROR_COUNT=0
WARN_COUNT=0

# Start looping through record types
for RECORD_TYPE in A AAAA CNAME MX TXT SOA NS ANY; do
# Get the result for this record type from each server
RESULT_T1=$(dig $RECORD_TYPE @$T1 $ZONE +short | sort)
RESULT_T2=$(dig $RECORD_TYPE @$T2 $ZONE +short | sort)

# Make a common report
REPORT="(srv: $T1):\n$RESULT_T1\n\n(srv: $T2):\n$RESULT_T2"

# If the results are not equal, display a warning, or not depending on type
if [[ $RESULT_T1 != $RESULT_T2 ]]; then
case "${RECORD_TYPE}" in
SOA|NS|ANY)
ERROR_LEVEL="${YELLOW}WARN${RESET}"
WARN_COUNT=$((WARN_COUNT + 1))
echo "${ERROR_LEVEL}: $RECORD_TYPE record differs - examine results"
echo -e "${YELLOW}${REPORT}${RESET}"
;;
A|AAAA|CNAME|MX|TXT)
ERROR_LEVEL="${RED}ERROR${RESET}"
ERROR_COUNT=$((ERROR_COUNT + 1))
echo "${ERROR_LEVEL}: ${RECORD_TYPE} record differs"
echo -e "${RED}${REPORT}${RESET}"
;;
esac
else
ERROR_LEVEL="${GREEN}OK${RESET}"
echo "${ERROR_LEVEL}: ${RECORD_TYPE}"
fi
done

# Output counts
echo -e "\n${RED}ERRORS:${RESET} $ERROR_COUNT\n${YELLOW}WARNINGS:${RESET} $WARN_COUNT"
fi
done

# Output counts
echo -e "\n${RED}ERRORS:${RESET} $ERROR_COUNT\n${YELLOW}WARNINGS:${RESET} $WARN_COUNT"
if [[ $ERROR_COUNT -gt 0 ]]; then
exit 1
exit 1
else
exit 0
exit 0
fi