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1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
5d891d06 |
2 | * Copyright (c) 2006-2007, Adam Chlipala |
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3 | * |
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. |
8 | * |
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. |
13 | * |
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. |
ae3a5b8c |
17 | *) |
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18 | |
19 | (* Domain-related primitive actions *) |
20 | |
21 | structure Domain :> DOMAIN = struct |
22 | |
d330d9b8 |
23 | open MsgTypes |
24 | |
084d02b1 |
25 | structure SM = DataStructures.StringMap |
4e8a3f2b |
26 | structure SS = DataStructures.StringSet |
084d02b1 |
27 | |
d330d9b8 |
28 | val ssl_context = ref (NONE : OpenSSL.context option) |
29 | fun set_context ctx = ssl_context := SOME ctx |
30 | |
4e8a3f2b |
31 | val nodes = map #1 Config.nodeIps |
084d02b1 |
32 | val nodeMap = foldl (fn ((node, ip), mp) => SM.insert (mp, node, ip)) |
33 | SM.empty Config.nodeIps |
d68ab27c |
34 | fun nodeIp node = valOf (SM.find (nodeMap, node)) |
084d02b1 |
35 | |
4e8a3f2b |
36 | val usr = ref "" |
4e8a3f2b |
37 | fun getUser () = !usr |
38 | |
39 | val your_doms = ref SS.empty |
40 | fun your_domains () = !your_doms |
41 | |
d68ab27c |
42 | val your_usrs = ref SS.empty |
43 | fun your_users () = !your_usrs |
44 | |
45 | val your_grps = ref SS.empty |
46 | fun your_groups () = !your_grps |
47 | |
48 | val your_pths = ref SS.empty |
49 | fun your_paths () = !your_pths |
50 | |
80e07760 |
51 | val your_ipss = ref SS.empty |
52 | fun your_ips () = !your_ipss |
53 | |
a57f3dfb |
54 | val world_readable = SS.addList (SS.empty, Config.worldReadable) |
aeaa1ebf |
55 | val readable_pths = ref world_readable |
a57f3dfb |
56 | fun readable_paths () = !readable_pths |
57 | |
53d222a3 |
58 | fun setUser user = |
a57f3dfb |
59 | let |
60 | val () = usr := user |
61 | |
62 | val your_paths = Acl.class {user = getUser (), |
63 | class = "path"} |
64 | in |
65 | your_doms := Acl.class {user = getUser (), |
66 | class = "domain"}; |
67 | your_usrs := Acl.class {user = getUser (), |
68 | class = "user"}; |
69 | your_grps := Acl.class {user = getUser (), |
70 | class = "group"}; |
71 | your_pths := your_paths; |
80e07760 |
72 | readable_pths := SS.union (your_paths, world_readable); |
73 | your_ipss := Acl.class {user = getUser (), |
74 | class = "ip"} |
a57f3dfb |
75 | end |
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76 | |
85af7d3e |
77 | fun validIp s = |
78 | case map Int.fromString (String.fields (fn ch => ch = #".") s) of |
79 | [SOME n1, SOME n2, SOME n3, SOME n4] => |
80 | n1 >= 0 andalso n1 < 256 andalso n2 >= 0 andalso n2 < 256 andalso n3 >= 0 andalso n3 < 256 andalso n4 >= 0 andalso n4 < 256 |
81 | | _ => false |
82 | |
2f68506c |
83 | fun isIdent ch = Char.isLower ch orelse Char.isDigit ch |
84 | |
85 | fun validHost s = |
86 | size s > 0 andalso size s < 20 |
87 | andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s |
88 | |
89 | fun validDomain s = |
90 | size s > 0 andalso size s < 100 |
91 | andalso List.all validHost (String.fields (fn ch => ch = #".") s) |
92 | |
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93 | fun validNode s = List.exists (fn s' => s = s') nodes |
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94 | |
4e8a3f2b |
95 | fun yourDomain s = SS.member (your_domains (), s) |
d68ab27c |
96 | fun yourUser s = SS.member (your_users (), s) |
97 | fun yourGroup s = SS.member (your_groups (), s) |
a57f3dfb |
98 | fun checkPath paths path = |
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99 | List.all (fn s => s <> "..") (String.fields (fn ch => ch = #"/") path) |
100 | andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"/" |
101 | orelse ch = #"-" orelse ch = #"_") path |
a57f3dfb |
102 | andalso SS.exists (fn s' => path = s' orelse String.isPrefix (s' ^ "/") path) (paths ()) |
103 | val yourPath = checkPath your_paths |
104 | val readablePath = checkPath readable_paths |
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105 | fun yourIp s = SS.member (your_ips (), s) |
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106 | |
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107 | fun yourDomainHost s = |
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108 | yourDomain s |
109 | orelse let |
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110 | val (pref, suf) = Substring.splitl (fn ch => ch <> #".") (Substring.full s) |
111 | in |
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112 | Substring.size suf > 0 |
113 | andalso validHost (Substring.string pref) |
114 | andalso yourDomain (Substring.string |
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115 | (Substring.slice (suf, 1, NONE))) |
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116 | end |
117 | |
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118 | val yourDomain = yourDomainHost |
119 | |
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120 | fun validUser s = size s > 0 andalso size s < 20 |
121 | andalso CharVector.all Char.isAlphaNum s |
122 | |
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123 | fun validEmailUser s = |
124 | size s > 0 andalso size s < 50 |
125 | andalso CharVector.all (fn ch => Char.isAlphaNum ch |
126 | orelse ch = #"." |
127 | orelse ch = #"_" |
128 | orelse ch = #"-" |
129 | orelse ch = #"+") s |
130 | |
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131 | val validGroup = validUser |
132 | |
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133 | val _ = Env.type_one "no_spaces" |
134 | Env.string |
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135 | (CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch) |
136 | andalso ch <> #"\"" andalso ch <> #"'")) |
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137 | val _ = Env.type_one "no_newlines" |
138 | Env.string |
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139 | (CharVector.all (fn ch => Char.isPrint ch andalso ch <> #"\n" andalso ch <> #"\r" |
140 | andalso ch <> #"\"" andalso ch <> #"'")) |
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141 | |
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142 | val _ = Env.type_one "ip" |
143 | Env.string |
144 | validIp |
145 | |
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146 | val _ = Env.type_one "host" |
147 | Env.string |
148 | validHost |
149 | |
150 | val _ = Env.type_one "domain" |
151 | Env.string |
152 | validDomain |
153 | |
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154 | val _ = Env.type_one "your_domain" |
155 | Env.string |
156 | yourDomain |
157 | |
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158 | val _ = Env.type_one "your_domain_host" |
159 | Env.string |
160 | yourDomainHost |
161 | |
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162 | val _ = Env.type_one "user" |
163 | Env.string |
164 | validUser |
165 | |
166 | val _ = Env.type_one "group" |
167 | Env.string |
168 | validGroup |
169 | |
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170 | val _ = Env.type_one "your_user" |
171 | Env.string |
172 | yourUser |
173 | |
174 | val _ = Env.type_one "your_group" |
175 | Env.string |
176 | yourGroup |
177 | |
178 | val _ = Env.type_one "your_path" |
179 | Env.string |
180 | yourPath |
181 | |
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182 | val _ = Env.type_one "readable_path" |
183 | Env.string |
184 | readablePath |
185 | |
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186 | val _ = Env.type_one "your_ip" |
187 | Env.string |
188 | yourIp |
189 | |
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190 | val _ = Env.type_one "node" |
191 | Env.string |
192 | validNode |
193 | |
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194 | val _ = Env.registerFunction ("dns_node_to_node", |
195 | fn [e] => SOME e |
196 | | _ => NONE) |
197 | |
198 | val _ = Env.registerFunction ("mail_node_to_node", |
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199 | fn [e] => SOME e |
200 | | _ => NONE) |
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201 | open Ast |
202 | |
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203 | val dl = ErrorMsg.dummyLoc |
204 | |
205 | val nsD = (EString Config.defaultNs, dl) |
206 | val serialD = (EVar "serialAuto", dl) |
207 | val refD = (EInt Config.defaultRefresh, dl) |
208 | val retD = (EInt Config.defaultRetry, dl) |
209 | val expD = (EInt Config.defaultExpiry, dl) |
210 | val minD = (EInt Config.defaultMinimum, dl) |
211 | |
212 | val soaD = multiApp ((EVar "soa", dl), |
213 | dl, |
214 | [nsD, serialD, refD, retD, expD, minD]) |
215 | |
668e333e |
216 | val masterD = (EApp ((EVar "internalMaster", dl), |
20f38467 |
217 | (EString Config.masterNode, dl)), |
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218 | dl) |
219 | |
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220 | val slavesD = (EList (map (fn s => (EString s, dl)) Config.slaveNodes), dl) |
221 | |
97d03e40 |
222 | val _ = Defaults.registerDefault ("Aliases", |
223 | (TList (TBase "your_domain", dl), dl), |
224 | (fn () => (EList [], dl))) |
225 | |
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226 | val _ = Defaults.registerDefault ("Mailbox", |
227 | (TBase "email", dl), |
228 | (fn () => (EString (getUser ()), dl))) |
229 | |
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230 | val _ = Defaults.registerDefault ("DNS", |
231 | (TBase "dnsKind", dl), |
232 | (fn () => multiApp ((EVar "useDns", dl), |
233 | dl, |
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234 | [soaD, masterD, slavesD]))) |
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235 | |
53d222a3 |
236 | val _ = Defaults.registerDefault ("TTL", |
237 | (TBase "int", dl), |
238 | (fn () => (EInt Config.Bind.defaultTTL, dl))) |
85af7d3e |
239 | |
240 | type soa = {ns : string, |
241 | serial : int option, |
242 | ref : int, |
243 | ret : int, |
244 | exp : int, |
245 | min : int} |
246 | |
247 | val serial = fn (EVar "serialAuto", _) => SOME NONE |
248 | | (EApp ((EVar "serialConst", _), n), _) => Option.map SOME (Env.int n) |
249 | | _ => NONE |
250 | |
251 | val soa = fn (EApp ((EApp ((EApp ((EApp ((EApp ((EApp |
252 | ((EVar "soa", _), ns), _), |
253 | sl), _), |
254 | rf), _), |
255 | ret), _), |
256 | exp), _), |
257 | min), _) => |
258 | (case (Env.string ns, serial sl, Env.int rf, |
259 | Env.int ret, Env.int exp, Env.int min) of |
260 | (SOME ns, SOME sl, SOME rf, |
261 | SOME ret, SOME exp, SOME min) => |
262 | SOME {ns = ns, |
263 | serial = sl, |
264 | ref = rf, |
265 | ret = ret, |
266 | exp = exp, |
267 | min = min} |
268 | | _ => NONE) |
269 | | _ => NONE |
270 | |
668e333e |
271 | datatype master = |
272 | ExternalMaster of string |
273 | | InternalMaster of string |
274 | |
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275 | val ip = Env.string |
276 | |
277 | val _ = Env.registerFunction ("ip_of_node", |
278 | fn [(EString node, _)] => SOME (EString (nodeIp node), dl) |
279 | | _ => NONE) |
7e90e261 |
280 | |
281 | val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e) |
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282 | | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e) |
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283 | | _ => NONE |
284 | |
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285 | datatype dnsKind = |
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286 | UseDns of {soa : soa, |
287 | master : master, |
288 | slaves : string list} |
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289 | | NoDns |
290 | |
668e333e |
291 | val dnsKind = fn (EApp ((EApp ((EApp |
292 | ((EVar "useDns", _), sa), _), |
293 | mstr), _), |
294 | slaves), _) => |
295 | (case (soa sa, master mstr, Env.list Env.string slaves) of |
296 | (SOME sa, SOME mstr, SOME slaves) => |
297 | SOME (UseDns {soa = sa, |
298 | master = mstr, |
299 | slaves = slaves}) |
300 | | _ => NONE) |
94a7e258 |
301 | | (EVar "noDns", _) => SOME NoDns |
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302 | | _ => NONE |
303 | |
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304 | val befores = ref (fn (_ : string) => ()) |
305 | val afters = ref (fn (_ : string) => ()) |
306 | |
307 | fun registerBefore f = |
308 | let |
309 | val old = !befores |
310 | in |
311 | befores := (fn x => (old x; f x)) |
312 | end |
313 | |
314 | fun registerAfter f = |
315 | let |
316 | val old = !afters |
317 | in |
318 | afters := (fn x => (old x; f x)) |
319 | end |
320 | |
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321 | val globals = ref (fn () => ()) |
322 | val locals = ref (fn () => ()) |
323 | |
324 | fun registerResetGlobal f = |
325 | let |
326 | val old = !globals |
327 | in |
328 | globals := (fn x => (old x; f x)) |
329 | end |
330 | |
331 | fun registerResetLocal f = |
332 | let |
333 | val old = !locals |
334 | in |
335 | locals := (fn x => (old x; f x)) |
336 | end |
337 | |
338 | fun resetGlobal () = (!globals (); |
339 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.resultRoot ^ "/*"))) |
340 | fun resetLocal () = !locals () |
341 | |
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342 | val current = ref "" |
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343 | val currentPath = ref (fn (_ : string) => "") |
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344 | val currentPathAli = ref (fn (_ : string, _ : string) => "") |
ae3a5b8c |
345 | |
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346 | val scratch = ref "" |
347 | |
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348 | fun currentDomain () = !current |
349 | |
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350 | val currentsAli = ref ([] : string list) |
351 | |
352 | fun currentAliasDomains () = !currentsAli |
353 | fun currentDomains () = currentDomain () :: currentAliasDomains () |
354 | |
668e333e |
355 | fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*) |
356 | TextIO.openOut (!currentPath node ^ name)) |
ae3a5b8c |
357 | |
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358 | type files = {write : string -> unit, |
359 | writeDom : unit -> unit, |
360 | close : unit -> unit} |
361 | |
362 | fun domainsFile {node, name} = |
363 | let |
364 | val doms = currentDomains () |
365 | val files = map (fn dom => (dom, TextIO.openOut (!currentPathAli (dom, node) ^ name))) doms |
366 | in |
367 | {write = fn s => app (fn (_, outf) => TextIO.output (outf, s)) files, |
368 | writeDom = fn () => app (fn (dom, outf) => TextIO.output (outf, dom)) files, |
369 | close = fn () => app (fn (_, outf) => TextIO.closeOut outf) files} |
370 | end |
371 | |
ae3a5b8c |
372 | fun getPath domain = |
373 | let |
374 | val toks = String.fields (fn ch => ch = #".") domain |
375 | |
376 | val elems = foldr (fn (piece, elems) => |
377 | let |
378 | val elems = piece :: elems |
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379 | |
668e333e |
380 | fun doNode node = |
381 | let |
382 | val path = String.concatWith "/" |
383 | (Config.resultRoot :: node :: rev elems) |
384 | val tmpPath = String.concatWith "/" |
385 | (Config.tmpDir :: node :: rev elems) |
386 | in |
387 | (if Posix.FileSys.ST.isDir |
388 | (Posix.FileSys.stat path) then |
389 | () |
390 | else |
391 | (OS.FileSys.remove path; |
392 | OS.FileSys.mkDir path)) |
393 | handle OS.SysErr _ => OS.FileSys.mkDir path; |
394 | |
395 | (if Posix.FileSys.ST.isDir |
396 | (Posix.FileSys.stat tmpPath) then |
397 | () |
398 | else |
399 | (OS.FileSys.remove tmpPath; |
400 | OS.FileSys.mkDir tmpPath)) |
401 | handle OS.SysErr _ => OS.FileSys.mkDir tmpPath |
402 | end |
403 | in |
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404 | app doNode nodes; |
ae3a5b8c |
405 | elems |
406 | end) [] toks |
407 | in |
668e333e |
408 | fn (root, site) => String.concatWith "/" (root :: site :: rev ("" :: elems)) |
c12828f2 |
409 | end |
410 | |
411 | datatype file_action' = |
412 | Add' of {src : string, dst : string} |
413 | | Delete' of string |
414 | | Modify' of {src : string, dst : string} |
415 | |
7e34d126 |
416 | fun findDiffs (prefixes, site, dom, acts) = |
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417 | let |
668e333e |
418 | val gp = getPath dom |
419 | val realPath = gp (Config.resultRoot, site) |
420 | val tmpPath = gp (Config.tmpDir, site) |
421 | |
422 | (*val _ = print ("getDiffs(" ^ site ^ ", " ^ dom ^ ")... " ^ realPath ^ "; " ^ tmpPath ^ "\n")*) |
c12828f2 |
423 | |
424 | val dir = Posix.FileSys.opendir realPath |
425 | |
426 | fun loopReal acts = |
427 | case Posix.FileSys.readdir dir of |
428 | NONE => (Posix.FileSys.closedir dir; |
429 | acts) |
430 | | SOME fname => |
431 | let |
432 | val real = OS.Path.joinDirFile {dir = realPath, |
433 | file = fname} |
434 | val tmp = OS.Path.joinDirFile {dir = tmpPath, |
435 | file = fname} |
436 | in |
437 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat real) then |
438 | loopReal acts |
439 | else if Posix.FileSys.access (tmp, []) then |
1f53f82b |
440 | if Slave.shell [Config.diff, " ", real, " ", tmp] then |
c12828f2 |
441 | loopReal acts |
442 | else |
668e333e |
443 | loopReal ((site, dom, realPath, Modify' {src = tmp, dst = real}) :: acts) |
176c3d29 |
444 | else if List.exists (fn prefix => String.isPrefix prefix real) prefixes then |
668e333e |
445 | loopReal ((site, dom, realPath, Delete' real) :: acts) |
7e34d126 |
446 | else |
447 | loopReal acts |
c12828f2 |
448 | end |
449 | |
668e333e |
450 | val acts = loopReal acts |
c12828f2 |
451 | |
1f53f82b |
452 | val dir = Posix.FileSys.opendir tmpPath |
c12828f2 |
453 | |
454 | fun loopTmp acts = |
455 | case Posix.FileSys.readdir dir of |
456 | NONE => (Posix.FileSys.closedir dir; |
457 | acts) |
458 | | SOME fname => |
459 | let |
460 | val real = OS.Path.joinDirFile {dir = realPath, |
461 | file = fname} |
462 | val tmp = OS.Path.joinDirFile {dir = tmpPath, |
463 | file = fname} |
464 | in |
465 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat tmp) then |
466 | loopTmp acts |
467 | else if Posix.FileSys.access (real, []) then |
468 | loopTmp acts |
469 | else |
668e333e |
470 | loopTmp ((site, dom, realPath, Add' {src = tmp, dst = real}) :: acts) |
c12828f2 |
471 | end |
472 | |
473 | val acts = loopTmp acts |
474 | in |
475 | acts |
ae3a5b8c |
476 | end |
a11c0ff3 |
477 | |
7e34d126 |
478 | fun findAllDiffs prefixes = |
668e333e |
479 | let |
480 | val dir = Posix.FileSys.opendir Config.tmpDir |
481 | val len = length (String.fields (fn ch => ch = #"/") Config.tmpDir) + 1 |
482 | |
483 | fun exploreSites diffs = |
484 | case Posix.FileSys.readdir dir of |
485 | NONE => diffs |
486 | | SOME site => |
487 | let |
488 | fun explore (dname, diffs) = |
489 | let |
490 | val dir = Posix.FileSys.opendir dname |
491 | |
492 | fun loop diffs = |
493 | case Posix.FileSys.readdir dir of |
494 | NONE => diffs |
495 | | SOME name => |
496 | let |
497 | val fname = OS.Path.joinDirFile {dir = dname, |
498 | file = name} |
499 | in |
500 | loop (if Posix.FileSys.ST.isDir (Posix.FileSys.stat fname) then |
501 | let |
502 | val dom = String.fields (fn ch => ch = #"/") fname |
503 | val dom = List.drop (dom, len) |
504 | val dom = String.concatWith "." (rev dom) |
505 | |
506 | val dname' = OS.Path.joinDirFile {dir = dname, |
507 | file = name} |
508 | in |
509 | explore (dname', |
7e34d126 |
510 | findDiffs (prefixes, site, dom, diffs)) |
668e333e |
511 | end |
512 | else |
513 | diffs) |
514 | end |
515 | in |
516 | loop diffs |
517 | before Posix.FileSys.closedir dir |
518 | end |
519 | in |
d330d9b8 |
520 | exploreSites (explore (OS.Path.joinDirFile {dir = Config.tmpDir, |
521 | file = site}, diffs)) |
668e333e |
522 | end |
523 | in |
524 | exploreSites [] |
525 | before Posix.FileSys.closedir dir |
526 | end |
527 | |
528 | val masterNode : string option ref = ref NONE |
529 | fun dnsMaster () = !masterNode |
530 | |
7e34d126 |
531 | val seenDomains : string list ref = ref [] |
532 | |
85af7d3e |
533 | val _ = Env.containerV_one "domain" |
534 | ("domain", Env.string) |
535 | (fn (evs, dom) => |
536 | let |
7e34d126 |
537 | val () = seenDomains := dom :: !seenDomains |
538 | |
85af7d3e |
539 | val kind = Env.env dnsKind (evs, "DNS") |
540 | val ttl = Env.env Env.int (evs, "TTL") |
97d03e40 |
541 | val aliases = Env.env (Env.list Env.string) (evs, "Aliases") |
85af7d3e |
542 | |
668e333e |
543 | val path = getPath dom |
85af7d3e |
544 | |
545 | val () = (current := dom; |
97d03e40 |
546 | currentsAli := Slave.remove (Slave.removeDups aliases, dom); |
547 | currentPath := (fn site => path (Config.tmpDir, site)); |
548 | currentPathAli := (fn (dom, site) => getPath dom (Config.tmpDir, site))) |
85af7d3e |
549 | |
668e333e |
550 | fun saveSoa (kind, soa : soa) node = |
8a795d62 |
551 | let |
97d03e40 |
552 | val {write, writeDom, close} = domainsFile {node = node, name = "soa"} |
8a795d62 |
553 | in |
97d03e40 |
554 | write kind; |
555 | write "\n"; |
556 | write (Int.toString ttl); |
557 | write "\n"; |
558 | write (#ns soa); |
559 | write "\n"; |
8a795d62 |
560 | case #serial soa of |
561 | NONE => () |
97d03e40 |
562 | | SOME n => write (Int.toString n); |
563 | write "\n"; |
564 | write (Int.toString (#ref soa)); |
565 | write "\n"; |
566 | write (Int.toString (#ret soa)); |
567 | write "\n"; |
568 | write (Int.toString (#exp soa)); |
569 | write "\n"; |
570 | write (Int.toString (#min soa)); |
571 | write "\n"; |
572 | close () |
8a795d62 |
573 | end |
85af7d3e |
574 | |
cdd39853 |
575 | fun saveNamed (kind, soa : soa, masterIp, slaveIps) node = |
6099f3a9 |
576 | if dom = "localhost" then |
577 | () |
578 | else let |
97d03e40 |
579 | val {write, writeDom, close} = domainsFile {node = node, name = "named.conf"} |
6099f3a9 |
580 | in |
97d03e40 |
581 | write "\nzone \""; |
582 | writeDom (); |
cdd39853 |
583 | write "\" {\n\ttype "; |
97d03e40 |
584 | write kind; |
585 | write ";\n\tfile \""; |
586 | write Config.Bind.zonePath_real; |
587 | write "/"; |
588 | writeDom (); |
589 | write ".zone\";\n"; |
6099f3a9 |
590 | case kind of |
cdd39853 |
591 | "master" => (write "\tallow-transfer {\n"; |
592 | app (fn ip => (write "\t\t"; |
593 | write ip; |
594 | write ";\n")) slaveIps; |
595 | write "\t};\n") |
97d03e40 |
596 | | _ => (write "\tmasters { "; |
597 | write masterIp; |
598 | write "; };\n"); |
599 | write "};\n"; |
600 | close () |
6099f3a9 |
601 | end |
85af7d3e |
602 | in |
603 | case kind of |
668e333e |
604 | NoDns => masterNode := NONE |
605 | | UseDns dns => |
084d02b1 |
606 | let |
607 | val masterIp = |
608 | case #master dns of |
cdd39853 |
609 | InternalMaster node => nodeIp node |
084d02b1 |
610 | | ExternalMaster ip => ip |
cdd39853 |
611 | |
612 | val slaveIps = map nodeIp (#slaves dns) |
084d02b1 |
613 | in |
614 | app (saveSoa ("slave", #soa dns)) (#slaves dns); |
cdd39853 |
615 | app (saveNamed ("slave", #soa dns, masterIp, slaveIps)) (#slaves dns); |
084d02b1 |
616 | case #master dns of |
617 | InternalMaster node => |
618 | (masterNode := SOME node; |
619 | saveSoa ("master", #soa dns) node; |
cdd39853 |
620 | saveNamed ("master", #soa dns, masterIp, slaveIps) node) |
7728e594 |
621 | | _ => masterNode := NONE |
622 | end; |
623 | !befores dom |
85af7d3e |
624 | end, |
668e333e |
625 | fn () => !afters (!current)) |
626 | |
7e34d126 |
627 | val () = Env.registerPre (fn () => (seenDomains := []; |
628 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], |
668e333e |
629 | fn cl => "Temp file cleanup failed: " ^ cl)); |
630 | OS.FileSys.mkDir Config.tmpDir; |
631 | app (fn node => OS.FileSys.mkDir |
632 | (OS.Path.joinDirFile {dir = Config.tmpDir, |
633 | file = node})) |
084d02b1 |
634 | nodes; |
668e333e |
635 | app (fn node => OS.FileSys.mkDir |
636 | (OS.Path.joinDirFile {dir = Config.resultRoot, |
637 | file = node}) |
638 | handle OS.SysErr _ => ()) |
084d02b1 |
639 | nodes)) |
668e333e |
640 | |
7d32cf2f |
641 | fun handleSite (site, files) = |
642 | let |
643 | |
644 | in |
645 | print ("New configuration for node " ^ site ^ "\n"); |
646 | if site = Config.defaultNode then |
647 | Slave.handleChanges files |
648 | else let |
649 | val bio = OpenSSL.connect (valOf (!ssl_context), |
650 | nodeIp site |
651 | ^ ":" |
652 | ^ Int.toString Config.slavePort) |
653 | in |
654 | app (fn file => Msg.send (bio, MsgFile file)) files; |
655 | Msg.send (bio, MsgDoFiles); |
656 | case Msg.recv bio of |
657 | NONE => print "Slave closed connection unexpectedly\n" |
658 | | SOME m => |
659 | case m of |
660 | MsgOk => print ("Slave " ^ site ^ " finished\n") |
661 | | MsgError s => print ("Slave " ^ site |
662 | ^ " returned error: " ^ |
663 | s ^ "\n") |
664 | | _ => print ("Slave " ^ site |
665 | ^ " returned unexpected command\n"); |
666 | OpenSSL.close bio |
667 | end |
668 | end |
669 | |
668e333e |
670 | val () = Env.registerPost (fn () => |
671 | let |
176c3d29 |
672 | val prefixes = List.concat |
673 | (List.map (fn dom => |
674 | let |
675 | val pieces = String.tokens (fn ch => ch = #".") dom |
676 | val path = String.concatWith "/" (rev pieces) |
677 | in |
678 | List.map (fn node => |
679 | Config.resultRoot ^ "/" ^ node ^ "/" ^ path ^ "/") |
680 | nodes |
681 | end) (!seenDomains)) |
7e34d126 |
682 | |
683 | val diffs = findAllDiffs prefixes |
85af7d3e |
684 | |
668e333e |
685 | val diffs = map (fn (site, dom, dir, Add' {src, dst}) => |
686 | (Slave.shellF ([Config.cp, " ", src, " ", dst], |
687 | fn cl => "Copy failed: " ^ cl); |
688 | (site, |
85af7d3e |
689 | {action = Slave.Add, |
690 | domain = dom, |
691 | dir = dir, |
668e333e |
692 | file = dst})) |
693 | | (site, dom, dir, Delete' dst) => |
694 | (OS.FileSys.remove dst |
695 | handle OS.SysErr _ => |
696 | ErrorMsg.error NONE ("Delete failed for " ^ dst); |
697 | (site, |
32a3db08 |
698 | {action = Slave.Delete true, |
85af7d3e |
699 | domain = dom, |
700 | dir = dir, |
668e333e |
701 | file = dst})) |
702 | | (site, dom, dir, Modify' {src, dst}) => |
703 | (Slave.shellF ([Config.cp, " ", src, " ", dst], |
704 | fn cl => "Copy failed: " ^ cl); |
705 | (site, |
85af7d3e |
706 | {action = Slave.Modify, |
707 | domain = dom, |
708 | dir = dir, |
668e333e |
709 | file = dst}))) diffs |
710 | in |
711 | if !ErrorMsg.anyErrors then |
712 | () |
d330d9b8 |
713 | else let |
714 | val changed = foldl (fn ((site, file), changed) => |
715 | let |
716 | val ls = case SM.find (changed, site) of |
717 | NONE => [] |
718 | | SOME ls => ls |
719 | in |
720 | SM.insert (changed, site, file :: ls) |
721 | end) SM.empty diffs |
d330d9b8 |
722 | in |
723 | SM.appi handleSite changed |
724 | end; |
668e333e |
725 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], |
1f8889bd |
726 | fn cl => "Temp file cleanup failed: " ^ cl)) |
668e333e |
727 | end) |
85af7d3e |
728 | |
1bb29dea |
729 | fun hasPriv priv = Acl.query {user = getUser (), class = "priv", value = "all"} |
730 | orelse Acl.query {user = getUser (), class = "priv", value = priv} |
731 | |
732 | val _ = Env.type_one "dns_node" |
733 | Env.string |
734 | (fn node => |
735 | List.exists (fn x => x = node) Config.dnsNodes_all |
736 | orelse (hasPriv "dns" |
737 | andalso List.exists (fn x => x = node) Config.dnsNodes_admin)) |
4cb2e7e7 |
738 | |
de352c91 |
739 | val _ = Env.type_one "mail_node" |
740 | Env.string |
741 | (fn node => |
742 | List.exists (fn x => x = node) Config.mailNodes_all |
743 | orelse (hasPriv "mail" |
744 | andalso List.exists (fn x => x = node) Config.mailNodes_admin)) |
745 | |
32a3db08 |
746 | fun rmdom' delete resultRoot doms = |
7d32cf2f |
747 | let |
7d32cf2f |
748 | fun doNode (node, _) = |
749 | let |
32a3db08 |
750 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
7d32cf2f |
751 | file = node} |
7d32cf2f |
752 | |
aba1f07e |
753 | fun doDom (dom, actions) = |
bde63bec |
754 | let |
aba1f07e |
755 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) |
756 | val dname = OS.Path.concat (dname, domPath) |
757 | |
758 | fun visitDom (dom, dname, actions) = |
759 | let |
760 | val dir = Posix.FileSys.opendir dname |
761 | |
762 | fun loop actions = |
763 | case Posix.FileSys.readdir dir of |
764 | NONE => actions |
765 | | SOME fname => |
766 | let |
767 | val fnameFull = OS.Path.joinDirFile {dir = dname, |
768 | file = fname} |
769 | in |
770 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat fnameFull) then |
771 | loop (visitDom (fname ^ "." ^ dom, |
772 | fnameFull, |
773 | actions)) |
32a3db08 |
774 | else |
32a3db08 |
775 | loop ({action = Slave.Delete delete, |
776 | domain = dom, |
777 | dir = dname, |
ef965b62 |
778 | file = fnameFull} :: actions) |
aba1f07e |
779 | end |
780 | in |
781 | loop actions |
782 | before Posix.FileSys.closedir dir |
783 | end |
32a3db08 |
784 | handle OS.SysErr (s, _) => |
785 | (print ("Warning: System error deleting domain " ^ dom ^ " on " ^ node ^ ": " ^ s ^ "\n"); |
aba1f07e |
786 | actions) |
bde63bec |
787 | in |
aba1f07e |
788 | visitDom (dom, dname, actions) |
bde63bec |
789 | end |
790 | |
aba1f07e |
791 | val actions = foldl doDom [] doms |
7d32cf2f |
792 | in |
7d32cf2f |
793 | handleSite (node, actions) |
794 | end |
aba1f07e |
795 | handle IO.Io _ => print ("Warning: IO error deleting domains on " ^ node ^ ".\n") |
7d32cf2f |
796 | |
797 | fun cleanupNode (node, _) = |
798 | let |
aba1f07e |
799 | fun doDom dom = |
800 | let |
801 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) |
32a3db08 |
802 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
aba1f07e |
803 | file = node} |
804 | val dname = OS.Path.concat (dname, domPath) |
805 | in |
32a3db08 |
806 | if delete then |
807 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ dname)) |
808 | else |
809 | () |
aba1f07e |
810 | end |
7d32cf2f |
811 | in |
aba1f07e |
812 | app doDom doms |
7d32cf2f |
813 | end |
814 | in |
815 | app doNode Config.nodeIps; |
816 | app cleanupNode Config.nodeIps |
817 | end |
818 | |
32a3db08 |
819 | val rmdom = rmdom' true Config.resultRoot |
820 | val rmdom' = rmdom' false |
821 | |
73e665f1 |
822 | fun homedirOf uname = |
823 | Posix.SysDB.Passwd.home (Posix.SysDB.getpwnam uname) |
824 | |
825 | fun homedir () = homedirOf (getUser ()) |
826 | |
313e60f9 |
827 | type subject = {node : string, domain : string} |
828 | |
829 | val describers : (subject -> string) list ref = ref [] |
830 | |
831 | fun registerDescriber f = describers := f :: !describers |
832 | |
1f5e7aad |
833 | fun describeOne arg = String.concat (map (fn f => f arg) (rev (!describers))) |
313e60f9 |
834 | |
71e08489 |
835 | val line = "--------------------------------------------------------------\n" |
836 | val dline = "==============================================================\n" |
313e60f9 |
837 | |
838 | fun describe dom = |
839 | String.concat (List.mapPartial |
840 | (fn node => |
841 | case describeOne {node = node, domain = dom} of |
842 | "" => NONE |
843 | | s => |
844 | SOME (String.concat [dline, "Node ", node, "\n", dline, "\n", s])) |
845 | nodes) |
846 | |
847 | datatype description = |
1f5e7aad |
848 | Filename of { filename : string, heading : string, showEmpty : bool } |
313e60f9 |
849 | | Extension of { extension : string, heading : string -> string } |
850 | |
851 | fun considerAll ds {node, domain} = |
852 | let |
853 | val ds = map (fn d => (d, ref [])) ds |
854 | |
855 | val path = Config.resultRoot |
856 | val jdf = OS.Path.joinDirFile |
857 | val path = jdf {dir = path, file = node} |
858 | val path = foldr (fn (more, path) => jdf {dir = path, file = more}) |
859 | path (String.tokens (fn ch => ch = #".") domain) |
860 | in |
861 | if Posix.FileSys.access (path, []) then |
862 | let |
863 | val dir = Posix.FileSys.opendir path |
864 | |
865 | fun loop () = |
866 | case Posix.FileSys.readdir dir of |
867 | NONE => () |
868 | | SOME fname => |
1f5e7aad |
869 | (app (fn (d, entries) => |
870 | let |
871 | fun readFile showEmpty entries' = |
872 | let |
873 | val fname = OS.Path.joinDirFile {dir = path, |
874 | file = fname} |
875 | |
876 | val inf = TextIO.openIn fname |
877 | |
878 | fun loop (seenOne, entries') = |
879 | case TextIO.inputLine inf of |
880 | NONE => if seenOne orelse showEmpty then |
881 | "\n" :: entries' |
882 | else |
883 | !entries |
884 | | SOME line => loop (true, line :: entries') |
885 | in |
886 | loop (false, entries') |
887 | before TextIO.closeIn inf |
888 | end |
889 | in |
890 | case d of |
891 | Filename {filename, heading, showEmpty} => |
892 | if fname = filename then |
893 | entries := readFile showEmpty ("\n" :: line :: ":\n" :: heading :: line :: !entries) |
894 | else |
895 | () |
896 | | Extension {extension, heading} => |
897 | let |
898 | val {base, ext} = OS.Path.splitBaseExt fname |
899 | in |
900 | case ext of |
901 | NONE => () |
902 | | SOME extension' => |
903 | if extension' = extension then |
904 | entries := readFile true ("\n" :: line :: ":\n" :: heading base :: line :: !entries) |
905 | else |
906 | () |
907 | end |
908 | end) ds; |
909 | loop ()) |
313e60f9 |
910 | in |
911 | loop (); |
912 | Posix.FileSys.closedir dir; |
913 | String.concat (List.concat (map (fn (_, entries) => rev (!entries)) ds)) |
914 | end |
915 | else |
916 | "" |
917 | end |
918 | |
919 | val () = registerDescriber (considerAll [Filename {filename = "soa", |
1f5e7aad |
920 | heading = "DNS SOA", |
921 | showEmpty = false}]) |
313e60f9 |
922 | |
3901a942 |
923 | val () = Env.registerAction ("domainHost", |
924 | fn (env, [(EString host, _)]) => |
925 | SM.insert (env, "Hostname", |
926 | (EString (host ^ "." ^ currentDomain ()), dl)) |
927 | | (_, args) => Env.badArgs ("domainHost", args)) |
928 | |
a11c0ff3 |
929 | end |