From 365ac2c367274fd6555fec735956b9ec1bd5c91a Mon Sep 17 00:00:00 2001
From: Alan Garcia <a.garcia@nnx.com>
Date: Wed, 26 Jan 2011 17:18:56 +0000
Subject: [PATCH] Draft proposition nouvelle gestion DNS

---
 .gitattributes |  1 +
 src/dns.sh     | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100755 src/dns.sh

diff --git a/.gitattributes b/.gitattributes
index 86aa1870..942a245d 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -427,6 +427,7 @@ src/alternc-check -text
 src/alternc-passwd -text
 src/alternc_reload -text
 src/basedir_prot.sh -text
+src/dns.sh -text
 src/du.pl -text
 src/fixperms.sh -text
 src/functions.sh -text
diff --git a/src/dns.sh b/src/dns.sh
new file mode 100755
index 00000000..936fd11e
--- /dev/null
+++ b/src/dns.sh
@@ -0,0 +1,94 @@
+#!/bin/bash
+# dns.sh next-gen by Fufroma
+
+# Init some vars
+. /etc/alternc/local.sh
+
+# Init some other vars
+MYSQL_DO="mysql --defaults-file=/etc/alternc/my.cnf -Bs -e "
+ZONE_TEMPLATE="/etc/alternc/templates/bind/templates/zone.template"
+NAMED_TEMPLATE="/etc/bind/templates/named.template"
+
+dns_zone_file() {
+    echo "$ALTERNC_LOC/bind/zones/$1"
+}
+
+dns_is_locked() {
+    local domain=$1
+    grep "LOCKED:YES" "$(dns_zone_file $domain)" &> /dev/null 
+    return $?
+}
+
+dns_get_serial() {
+    local domain=$1
+    local serial=$(( $(grep "; serial" $(dns_zone_file $domain) 2>/dev/null|awk '{ print $1;}') + 1 ))
+    local serial2=$(date +%Y%m%d00)
+    if [ $serial -gt $serial2 ] ; then
+        echo $serial
+    else
+        echo $serial2
+    fi
+}
+
+dns_chmod() {
+    local domain=$1
+    chgrp bind $(dns_zone_file $domain)
+    chmod 640 $(dns_zone_file $domain)
+    return 0
+}
+
+# DNS regenerate
+dns_regenerate() {
+    local domain=$1
+    local manual_tag=";;; END ALTERNC AUTOGENERATE CONFIGURATION"
+    local zone_file=$(dns_zone_file $domain)
+
+    # Check if locked
+    dns_is_locked "$domain"
+    if [ $? -eq 0 ]; then
+        echo "DNS $domain LOCKED" 
+        return 1
+    fi
+
+    # Get the serial number if there is one
+    local serial=$(dns_get_serial "$domain")
+
+    # Generate the headers with the template
+    local file=$(cat "$ZONE_TEMPLATE")
+
+    # Add the entry
+    file=$(
+        echo -e "$file"
+        $MYSQL_DO "select replace(replace(dt.entry,'%TARGET%',sd.valeur), '%SUB%', sd.sub) from sub_domaines sd,domaines_type dt where sd.type=dt.id and sd.domaine='$domain';"|sort
+    )
+
+
+    # Get some usefull vars
+    local mx=$( $MYSQL_DO "select mx from domaines where domaine='$domain';")
+
+    # Replace the vars by their values
+    # Here we can add dynamic value for the default MX
+    file=$( echo -e "$file" | sed -e "
+            s/%%fqdn%%/$FQDN/g;
+            s/%%ns1%%/$NS1_HOSTNAME/g;
+            s/%%ns2%%/$NS2_HOSTNAME/g;
+            s/%%mx%%/$mx/g;
+            s/@@DOMAINE@@/$domain/g;
+            s/@@SERIAL@@/$serial/g;
+            s/@@PUBLIC_IP@@/$PUBLIC_IP/g")
+    
+    # Add the manual lines
+    if [ -r "$zone_file" ] ; then
+        file=$(
+            echo -e "$file"
+            grep -A 10000 "$manual_tag" "$zone_file"
+            )
+    else
+        file=$(echo -e "$file"; echo "$manual_tag")
+    fi
+
+    # Init the file
+    echo -e "$file" > "$zone_file"
+    # And set his rights
+    dns_chmod $domain
+}