1 (* HCoop
Domtool (http
://hcoop
.sourceforge
.net
/)
2 * Copyright (c
) 2006, Adam Chlipala
4 * This program is free software
; you can redistribute it
and/or
5 * modify it under the terms
of the GNU General Public License
6 * as published by the Free Software Foundation
; either version
2
7 * of the License
, or (at your option
) any later version
.
9 * This program is distributed
in the hope that it will be useful
,
10 * but WITHOUT ANY WARRANTY
; without even the implied warranty
of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
. See the
12 * GNU General Public License for more details
.
14 * You should have received a copy
of the GNU General Public License
15 * along
with this program
; if not
, write to the Free Software
16 * Foundation
, Inc
., 51 Franklin Street
, Fifth Floor
, Boston
, MA
02110-1301, USA
.
21 structure Bind
:> BIND
= struct
25 val namedChanged
= ref
false
26 val zoneChanged
= ref
false
28 val didDomain
= ref
""
30 val () = Slave
.registerPreHandler (fn () => (namedChanged
:= false;
34 val dns
: TextIO.outstream option ref
= ref NONE
36 val _
= Domain
.registerBefore
37 (fn _
=> dns
:= Option
.map (fn node
=> Domain
.domainFile
{node
= node
,
39 (Domain
.dnsMaster ()))
41 val _
= Domain
.registerAfter
42 (fn _
=> Option
.app
TextIO.closeOut (!dns
))
44 val dl
= ErrorMsg
.dummyLoc
48 | CNAME
of string * string
52 val record
= fn (EApp ((EApp ((EVar
"dnsA", _
), e1
), _
), e2
), _
) =>
53 (case (Env
.string e1
, Env
.string e2
) of
54 (SOME v1
, SOME v2
) => SOME (A (v1
, v2
))
56 |
(EApp ((EApp ((EVar
"dnsCNAME", _
), e1
), _
), e2
), _
) =>
57 (case (Env
.string e1
, Env
.string e2
) of
58 (SOME v1
, SOME v2
) => SOME (CNAME (v1
, v2
))
60 |
(EApp ((EApp ((EVar
"dnsMX", _
), e1
), _
), e2
), _
) =>
61 (case (Env
.int e1
, Env
.string e2
) of
62 (SOME v1
, SOME v2
) => SOME (MX (v1
, v2
))
64 |
(EApp ((EVar
"dnsNS", _
), e
), _
) =>
65 Option
.map
NS (Env
.string e
)
68 fun writeRecord (evs
, r
) =
70 NONE
=> print
"Warning: DNS directive ignored because no master DNS server is configured for this domain\n"
73 fun write s
= TextIO.output (file
, s
)
74 val ttl
= Env
.env Env
.int (evs
, "TTL")
77 A (from
, to
) => (write from
;
79 write (Domain
.currentDomain ());
81 write (Int.toString ttl
);
85 |
CNAME (from
, to
) => (write from
;
87 write (Domain
.currentDomain ());
89 write (Int.toString ttl
);
90 write
"\tIN\tCNAME\t";
93 |
MX (num
, host
) => (write
"\t";
94 write (Int.toString ttl
);
96 write (Int.toString num
);
100 | NS host
=> (write
"\t";
101 write (Int.toString ttl
);
107 val () = Env
.actionV_one
"dns"
112 case TextIO.inputLine inf
of
113 NONE
=> raise Fail
"Expected a line for BIND"
114 | SOME s
=> String.substring (s
, 0, size s
- 1)
116 fun readILine inf
= valOf (Int.fromString (readLine inf
))
118 val () = Slave
.registerFileHandler (fn fs
=>
120 val {dir
, file
} = OS
.Path
.splitDirFile (#file fs
)
123 if #domain fs
= !didDomain
then
125 else if #action fs
= Slave
.Delete
then
127 val fname
= OS
.Path
.joinBaseExt
{base
= #domain fs
,
129 val fname
= OS
.Path
.joinDirFile
{dir
= Config
.Bind
.zonePath
,
132 OS
.FileSys
.remove fname
136 val inf
= TextIO.openIn (OS
.Path
.joinDirFile
{dir
= #dir fs
,
138 val kind
= readLine inf
139 val ttl
= readILine inf
140 val ns
= readLine inf
141 val serial
= case readLine inf
of
143 | s
=> Int.fromString s
144 val rf
= readILine inf
145 val ret
= readILine inf
146 val exp
= readILine inf
147 val min
= readILine inf
148 val () = TextIO.closeIn inf
150 val dns
= OS
.Path
.joinDirFile
{dir
= #dir fs
,
153 val fname
= OS
.Path
.joinBaseExt
{base
= #domain fs
,
155 val fname
= OS
.Path
.joinDirFile
{dir
= Config
.Bind
.zonePath
,
158 val outf
= TextIO.openOut fname
161 TextIO.output (outf
, "$TTL ");
162 TextIO.output (outf
, Int.toString ttl
);
163 TextIO.output (outf
, "\n\n@\tIN\tSOA\t");
164 TextIO.output (outf
, ns
);
165 TextIO.output (outf
, ".\thostmaster.");
166 TextIO.output (outf
, #domain fs
);
167 TextIO.output (outf
, ".\n( ");
168 TextIO.output (outf
, Int.toString
123456789);
169 TextIO.output (outf
, " ");
170 TextIO.output (outf
, Int.toString rf
);
171 TextIO.output (outf
, " ");
172 TextIO.output (outf
, Int.toString ret
);
173 TextIO.output (outf
, " ");
174 TextIO.output (outf
, Int.toString exp
);
175 TextIO.output (outf
, " ");
176 TextIO.output (outf
, Int.toString min
);
177 TextIO.output (outf
, " )\n\n");
178 TextIO.closeOut outf
;
179 Slave
.shellF ([Config
.cat
, " ", dns
, " >>", fname
],
180 fn cl
=> "Error concatenating file: " ^ cl
);
181 didDomain
:= #domain fs
185 "soa" => dnsChanged ()
186 |
"dns" => dnsChanged ()
187 |
"named.conf" => namedChanged
:= true
191 val () = Slave
.registerPostHandler
193 (if !namedChanged
then
194 Slave
.concatTo (fn s
=> s
= "named.conf") Config
.Bind
.namedConf
197 if !namedChanged
orelse !zoneChanged
then
198 Slave
.shellF ([Config
.Bind
.reload
],
199 fn cl
=> "Error reloading bind with " ^ cl
)