mattpascoe · November 6, 2012 18:02 · Nov 8, 2012 · Nov 6, 2012
diff --git a/tinydnsparse.awk b/tinydnsparse.awk
@@ -1,5 +1,7 @@
 #!/usr/bin/awk -f
 # 
+# Author: Matt Pascoe - [email protected] 
+#
 # This awk script is used to extract relevant information from a tinydns data 
 # config file and build a csv with appropriate fields for passing into
 # a dcm.pl module.  This can be used to bootstrap a new database from existing

diff --git a/tinydnsparse.awk b/tinydnsparse.awk
@@ -0,0 +1,156 @@
+#!/usr/bin/awk -f
+# 
+# This awk script is used to extract relevant information from a tinydns data 
+# config file and build a csv with appropriate fields for passing into
+# a dcm.pl module.  This can be used to bootstrap a new database from existing
+# site data.
+#
+# This script assumes the data to be reasonably correct as it is expected that
+# you are running the data file in production and the tinydns-data program
+# has already parsed it with no errors.
+#
+# TODO: Output in a more direct dcm.pl format
+# TODO: make sections for the following record types:
+# Z
+# '
+# .
+#
+# You can simply cat a file and pipe it to this script
+#
+#    cat tinydatafile|awk -f tinydnsparse.awk
+#
+BEGIN {} {
+  total++
+  count[total]=total
+  recordtype[total]="unknown"
+
+  # process + type tinydns records, A only
+  if ($_ ~ /^\+/) {
+    split($1,arr,":")
+    gsub(/^\+/, "", arr[1]);
+    recordtype[total]="a"
+    fqdn[total]=arr[1]
+    ip[total]=arr[2]
+    ttl[total]=arr[3]
+    loc[total]=arr[5]
+    makea[total]="Y"
+    makeptr[total]="N"
+  }
+
+  # process = type tinydns records, A and PTR
+  if ($_ ~ /^\=/) {
+    split($1,arr,":")
+    gsub(/^\=/, "", arr[1]);
+    recordtype[total]="aptr"
+    fqdn[total]=arr[1]
+    ip[total]=arr[2]
+    ttl[total]=arr[3]
+    loc[total]=arr[5]
+    makea[total]="Y"
+    makeptr[total]="Y"
+  }
+
+  # process ^ type tinydns records, PTR only
+  if ($_ ~ /^\^/) {
+    split($1,arr,":")
+    gsub(/^\^/, "", arr[1]);
+    recordtype[total]="ptr"
+    fqdn[total]=arr[1]
+    ip[total]=arr[2]
+    ttl[total]=arr[3]
+    loc[total]=arr[5]
+    makea[total]="N"
+    makeptr[total]="Y"
+  }
+
+  # process C type tinydns records, CNAME 
+  if ($_ ~ /^\C/) {
+    split($1,arr,":")
+    gsub(/^\C/, "", arr[1]);
+    recordtype[total]="cname"
+    fqdn[total]=arr[1]
+    ip[total]=arr[2]
+    ttl[total]=arr[3]
+    loc[total]=arr[5]
+    makea[total]="N"
+    makeptr[total]="N"
+  }
+
+  # process & type tinydns records, NS record
+  if ($_ ~ /^\&/) {
+    split($1,arr,":")
+    gsub(/^\&/, "", arr[1]);
+    recordtype[total]="ns"
+    fqdn[total]=arr[1]
+    ip[total]=arr[2]
+    srvname[total]=arr[3]
+    ttl[total]=arr[4]
+    loc[total]=arr[6]
+    makea[total]="Y"
+    makeptr[total]="N"
+
+    # If the server was blank, format it to tinydns default x.ns.fqdn
+    if (srvname[total] !~ /\./) {
+      srvname[total] = srvname[total]".ns."fqdn[total]
+    }
+  }
+
+  # process @ type tinydns records, MX record
+  if ($_ ~ /^\@/) {
+    distance[total]="0"
+    split($1,arr,":")
+    gsub(/^\@/, "", arr[1])
+    recordtype[total]="mx"
+    fqdn[total]=arr[1]
+    ip[total]=arr[2]
+    srvname[total]=arr[3]
+    distance[total]=arr[4]
+    ttl[total]=arr[5]
+    loc[total]=arr[7]
+    makea[total]="Y"
+    makeptr[total]="N"
+
+    # If the server was blank, format it to tinydns default x.ns.fqdn
+    if (srvname[total] !~ /\./) {
+      srvname[total] = srvname[total]".mx."fqdn[total]
+    }
+  }
+
+  # If the location was blank, make it default
+  if (length(loc[total]) == 0) {
+    loc[total] = "default"
+  }
+}
+
+END {
+  sort = "sort -k 2nr"
+  #sort = "sort -k 2nr| column -t -s,"
+  for(entry in count) {
+    if (recordtype[entry] == "ns") {
+      printf("%s,%s,%s,%s,%s,%s\n", recordtype[entry],loc[entry],fqdn[entry],ip[entry],ttl[entry],srvname[entry])
+      # if an IP was supplied, make an A record entry as well
+      if (length(ip[entry]) != 0) {
+        recordtype[entry] = "a"
+      }
+    }
+    if (recordtype[entry] == "mx") {
+      printf("%s,%s,%s,%s,%s,%s,%s\n", recordtype[entry],loc[entry],fqdn[entry],ip[entry],ttl[entry],srvname[entry],distance[entry])
+      # if an IP was supplied, make an A record entry as well
+      if (length(ip[entry]) != 0) {
+        recordtype[entry] = "a"
+      }
+    }
+    if (recordtype[entry] == "a") {
+      printf("%s,%s,%s,%s,%s,%s,%s\n", recordtype[entry],loc[entry],fqdn[entry],ip[entry],ttl[entry],makea[entry],makeptr[entry])
+    }
+    if (recordtype[entry] == "aptr") {
+      printf("%s,%s,%s,%s,%s,%s,%s\n", recordtype[entry],loc[entry],fqdn[entry],ip[entry],ttl[entry],makea[entry],makeptr[entry])
+    }
+    if (recordtype[entry] == "ptr") {
+      printf("%s,%s,%s,%s,%s,%s,%s\n", recordtype[entry],loc[entry],fqdn[entry],ip[entry],ttl[entry],makea[entry],makeptr[entry])
+    }
+    if (recordtype[entry] == "cname") {
+      printf("%s,%s,%s,%s,%s,%s,%s\n", recordtype[entry],loc[entry],fqdn[entry],ip[entry],ttl[entry],makea[entry],makeptr[entry])
+    }
+  }
+}