Bind9使用MySQL来管理Zone

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BIND mysql redhat

部署环境：VirtualBox4.3.18 + 64位Redhat5.6 + Bind9.10 + MySQL5.6 + mysql-bind。

VirtualBox中对Redhat的网络连接方式不要用默认的网络地址转换（NAT），选用桥接网卡，这样主机和虚拟机可以双向通信。

MySQL5.6以RPM包形式安装，其默认路径分别如下。
BIN：/usr/bin/mysql
头文件H：/usr/include/mysql
库文件LIB：/usr/lib64 ##可以通过mysql_config --libs命令知道

1、解压Bind和mysql-bind，将mysql-bind下的mysqldb.h拷贝到bind的bin/named/include/named目录下，将mysqldb.c拷贝到bind的bin/named目录下。

2、修改Bind的bin/named目录下的MakeFile.in文件。

DBDRIVER_OBJS = mysqldb.@O@
DBDRIVER_SRCS = mysqldb.c
DBDRIVER_INCLUDES = -I'/usr/include/mysql/'
DBDRIVER_LIBS = -L'/usr/lib64/mysql' -lmysqlclient -lz -lcrypt -lnsl -lm -lc -lnss_files -lnss_dns -lresolv -lc -lnss_files -lnss_dns -lresolv

3、编辑bind源文件bin/named/main.c
--包含mysqldb.h，#include <named/mysqldb.h>
--在函数setup(void)里面ns_server_create()的前面添加mysqldb_init();
--在函数cleanup(void)里面ns_server_destroy()的后面添加mysqldb_clear();

4、编译安装bind
./configure
make
make install

5、创建数据库bind9，创建表kaopu。

CREATE TABLE kaopu (
  `name` varchar(255) default NULL,
  ttl int(11) default NULL,
  rdtype varchar(255) default NULL,
  rdata varchar(255) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

初始化数据：

insert into `kaopu` (`name`, `ttl`, `rdtype`, `rdata`) values('www.kaopu.com','3600','A','10.3.19.14');
insert into `kaopu` (`name`, `ttl`, `rdtype`, `rdata`) values('ns1.kaopu.com','3600','A','127.0.0.1');
insert into `kaopu` (`name`, `ttl`, `rdtype`, `rdata`) values('kaopu.com','3600','NS','ns1.kaopu.com');
insert into `kaopu` (`name`, `ttl`, `rdtype`, `rdata`) values('kaopu.com','3600','SOA','kaopu.com. www.kaopu.com. 2003080800 172800 900 1209600 3600');

6、配置Bind
--生成控制文件
rndc-confgen > /etc/named/rndc.conf

# Start of rndc.conf
key "rndc-key" {
        algorithm hmac-md5;
        secret "rHLs03YrlkgYVhFl7dZZ7A==";
};

options {
        default-key "rndc-key";
        default-server 127.0.0.1;
        default-port 953;
};
# End of rndc.conf

# Use with the following in named.conf, adjusting the allow list as needed:
# key "rndc-key" {
#       algorithm hmac-md5;
#       secret "rHLs03YrlkgYVhFl7dZZ7A==";
# };
#
# controls {
#       inet 127.0.0.1 port 953
#               allow { 127.0.0.1; } keys { "rndc-key"; };
# };
# End of named.conf

--生成named.conf
tail -10 rndc.conf | head -9 | sed s/#\ //g > named.conf
--编辑named.conf

key "rndc-key" {
        algorithm hmac-md5;
        secret "rHLs03YrlkgYVhFl7dZZ7A==";
};

controls {
        inet 127.0.0.1 port 953
              allow { 127.0.0.1; } keys { "rndc-key"; };
};

include "/etc/named/named.conf.options";

zone "." {
        type hint;
        file "/etc/named/named.root";
};

zone "localhost" {
        type master;
        file "/etc/named/named.localhost";
};

zone "kaopu.com" IN {
        type master;
        notify no;
        database "mysqldb bind9 kaopu localhost bind9 welcome1";
};

/etc/named/named.conf.options如下

options {
        directory "/etc/named";
        allow-query { any; };
        allow-recursion { any; };
        allow-query-cache {any;};
        datasize 2098;
};

/etc/named/named.localhost如下

$TTL    600
@               IN SOA localhost. root.localhost. (2011080101 3H 15M 1W 1D)
@               IN NS localhost.
localhost.      IN A 10.3.19.79

/etc/named/named.root如下

; <<>> DiG 9.10.1 <<>>
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53287
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4000
;; QUESTION SECTION:
;.                              IN      NS

;; ANSWER SECTION:
.                       1731    IN      NS      d.root-servers.net.
.                       1731    IN      NS      a.root-servers.net.
.                       1731    IN      NS      b.root-servers.net.
.                       1731    IN      NS      m.root-servers.net.
.                       1731    IN      NS      f.root-servers.net.
.                       1731    IN      NS      l.root-servers.net.
.                       1731    IN      NS      h.root-servers.net.
.                       1731    IN      NS      k.root-servers.net.
.                       1731    IN      NS      c.root-servers.net.
.                       1731    IN      NS      j.root-servers.net.
.                       1731    IN      NS      g.root-servers.net.
.                       1731    IN      NS      i.root-servers.net.
.                       1731    IN      NS      e.root-servers.net.

;; ADDITIONAL SECTION:
d.root-servers.net.     2077    IN      A       199.7.91.13
a.root-servers.net.     71592   IN      A       198.41.0.4
b.root-servers.net.     2087    IN      A       192.228.79.201
m.root-servers.net.     2091    IN      A       202.12.27.33
f.root-servers.net.     1731    IN      A       192.5.5.241
l.root-servers.net.     84257   IN      A       199.7.83.42
h.root-servers.net.     2110    IN      A       128.63.2.53
k.root-servers.net.     2111    IN      A       193.0.14.129
c.root-servers.net.     614     IN      A       192.33.4.12
j.root-servers.net.     2049    IN      A       192.58.128.30
g.root-servers.net.     2050    IN      A       192.112.36.4
i.root-servers.net.     912     IN      A       192.36.148.17
e.root-servers.net.     2076    IN      A       192.203.230.10

;; Query time: 53 msec
;; SERVER: 10.3.1.2#53(10.3.1.2)
;; WHEN: Thu Nov 06 10:46:18 CST 2014
;; MSG SIZE  rcvd: 460

named.root文件可由命令生成：dig -t NS . > /etc/named/named.root

database "mysqldb bind9 kaopu localhost bind9 welcome1";解释如下：
bind9－数据库名
kaopu－数据库表名
localhost－数据库主机名
bind9－用户名
welcome1－密码

7、验证MySQL-bind SDB方式。
输入命令：dig @127.0.0.1 www.kaopu.com
响应如下：

; <<>> DiG 9.10.1 <<>> @127.0.0.1 www.kaopu.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3426
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.kaopu.com.                 IN      A

;; ANSWER SECTION:
www.kaopu.com.          3600    IN      A       10.3.19.14

;; AUTHORITY SECTION:
kaopu.com.              3600    IN      NS      ns1.kaopu.com.

;; ADDITIONAL SECTION:
ns1.kaopu.com.          3600    IN      A       127.0.0.1

;; Query time: 1 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Nov 06 17:43:56 CST 2014
;; MSG SIZE  rcvd: 92

比较有参考意义的几篇博客。
使用Mysql-bind实现mysql管理bind配置：http://www.aooshi.org/blog/article/81.html
Binding Bind to MySQL... On RHEL5：http://pbraun.nethence.com/unix/net/named-mysql.html
bind9安装：http://blog.csdn.net/chenfei_5201213/article/details/7866231

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