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a3698041 | 1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
3bf720f7 | 2 | * Copyright (c) 2006-2007, Adam Chlipala |
a3698041 AC |
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. | |
dac62e84 | 17 | *) |
a3698041 AC |
18 | |
19 | (* Domain-related primitive actions *) | |
20 | ||
21 | structure Domain :> DOMAIN = struct | |
22 | ||
36e42cb8 AC |
23 | open MsgTypes |
24 | ||
2ed6d0e5 | 25 | structure SM = DataStructures.StringMap |
12adf55a | 26 | structure SS = DataStructures.StringSet |
2ed6d0e5 | 27 | |
36e42cb8 AC |
28 | val ssl_context = ref (NONE : OpenSSL.context option) |
29 | fun set_context ctx = ssl_context := SOME ctx | |
30 | ||
12adf55a | 31 | val nodes = map #1 Config.nodeIps |
2ed6d0e5 AC |
32 | val nodeMap = foldl (fn ((node, ip), mp) => SM.insert (mp, node, ip)) |
33 | SM.empty Config.nodeIps | |
8a7c40fa | 34 | fun nodeIp node = valOf (SM.find (nodeMap, node)) |
2ed6d0e5 | 35 | |
12adf55a | 36 | val usr = ref "" |
12adf55a AC |
37 | fun getUser () = !usr |
38 | ||
39 | val your_doms = ref SS.empty | |
40 | fun your_domains () = !your_doms | |
41 | ||
8a7c40fa AC |
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 | ||
aa56e112 | 51 | fun setUser user = |
a088cea6 | 52 | (usr := user; |
aa56e112 AC |
53 | your_doms := Acl.class {user = getUser (), |
54 | class = "domain"}; | |
55 | your_usrs := Acl.class {user = getUser (), | |
56 | class = "user"}; | |
57 | your_grps := Acl.class {user = getUser (), | |
58 | class = "group"}; | |
59 | your_pths := Acl.class {user = getUser (), | |
60 | class = "path"}) | |
61 | ||
6ae327f8 AC |
62 | fun validIp s = |
63 | case map Int.fromString (String.fields (fn ch => ch = #".") s) of | |
64 | [SOME n1, SOME n2, SOME n3, SOME n4] => | |
65 | n1 >= 0 andalso n1 < 256 andalso n2 >= 0 andalso n2 < 256 andalso n3 >= 0 andalso n3 < 256 andalso n4 >= 0 andalso n4 < 256 | |
66 | | _ => false | |
67 | ||
629a34f6 AC |
68 | fun isIdent ch = Char.isLower ch orelse Char.isDigit ch |
69 | ||
70 | fun validHost s = | |
71 | size s > 0 andalso size s < 20 | |
72 | andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s | |
73 | ||
74 | fun validDomain s = | |
75 | size s > 0 andalso size s < 100 | |
76 | andalso List.all validHost (String.fields (fn ch => ch = #".") s) | |
77 | ||
2ed6d0e5 | 78 | fun validNode s = List.exists (fn s' => s = s') nodes |
e0b0abd2 | 79 | |
12adf55a | 80 | fun yourDomain s = SS.member (your_domains (), s) |
8a7c40fa AC |
81 | fun yourUser s = SS.member (your_users (), s) |
82 | fun yourGroup s = SS.member (your_groups (), s) | |
83 | fun yourPath path = | |
84 | List.all (fn s => s <> "..") (String.fields (fn ch => ch = #"/") path) | |
85 | andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"/" | |
86 | orelse ch = #"-" orelse ch = #"_") path | |
87 | andalso SS.exists (fn s' => path = s' orelse String.isPrefix (s' ^ "/") path) (your_paths ()) | |
12adf55a | 88 | |
edd38024 | 89 | fun yourDomainHost s = |
c98b57cf AC |
90 | yourDomain s |
91 | orelse let | |
edd38024 AC |
92 | val (pref, suf) = Substring.splitl (fn ch => ch <> #".") (Substring.full s) |
93 | in | |
edd38024 AC |
94 | Substring.size suf > 0 |
95 | andalso validHost (Substring.string pref) | |
96 | andalso yourDomain (Substring.string | |
c98b57cf | 97 | (Substring.slice (suf, 1, NONE))) |
edd38024 AC |
98 | end |
99 | ||
93c2f623 AC |
100 | val yourDomain = yourDomainHost |
101 | ||
2aeb9eec AC |
102 | fun validUser s = size s > 0 andalso size s < 20 |
103 | andalso CharVector.all Char.isAlphaNum s | |
104 | ||
2e96b9d4 AC |
105 | fun validEmailUser s = |
106 | size s > 0 andalso size s < 50 | |
107 | andalso CharVector.all (fn ch => Char.isAlphaNum ch | |
108 | orelse ch = #"." | |
109 | orelse ch = #"_" | |
110 | orelse ch = #"-" | |
111 | orelse ch = #"+") s | |
112 | ||
2aeb9eec AC |
113 | val validGroup = validUser |
114 | ||
f8dfbbcc AC |
115 | val _ = Env.type_one "no_spaces" |
116 | Env.string | |
ca6ffb3f AC |
117 | (CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch) |
118 | andalso ch <> #"\"" andalso ch <> #"'")) | |
d5754b53 AC |
119 | val _ = Env.type_one "no_newlines" |
120 | Env.string | |
ca6ffb3f AC |
121 | (CharVector.all (fn ch => Char.isPrint ch andalso ch <> #"\n" andalso ch <> #"\r" |
122 | andalso ch <> #"\"" andalso ch <> #"'")) | |
f8dfbbcc | 123 | |
6ae327f8 AC |
124 | val _ = Env.type_one "ip" |
125 | Env.string | |
126 | validIp | |
127 | ||
629a34f6 AC |
128 | val _ = Env.type_one "host" |
129 | Env.string | |
130 | validHost | |
131 | ||
132 | val _ = Env.type_one "domain" | |
133 | Env.string | |
134 | validDomain | |
135 | ||
12adf55a AC |
136 | val _ = Env.type_one "your_domain" |
137 | Env.string | |
138 | yourDomain | |
139 | ||
edd38024 AC |
140 | val _ = Env.type_one "your_domain_host" |
141 | Env.string | |
142 | yourDomainHost | |
143 | ||
2aeb9eec AC |
144 | val _ = Env.type_one "user" |
145 | Env.string | |
146 | validUser | |
147 | ||
148 | val _ = Env.type_one "group" | |
149 | Env.string | |
150 | validGroup | |
151 | ||
8a7c40fa AC |
152 | val _ = Env.type_one "your_user" |
153 | Env.string | |
154 | yourUser | |
155 | ||
156 | val _ = Env.type_one "your_group" | |
157 | Env.string | |
158 | yourGroup | |
159 | ||
160 | val _ = Env.type_one "your_path" | |
161 | Env.string | |
162 | yourPath | |
163 | ||
e0b0abd2 AC |
164 | val _ = Env.type_one "node" |
165 | Env.string | |
166 | validNode | |
167 | ||
bbdf617f AC |
168 | val _ = Env.registerFunction ("dns_node_to_node", |
169 | fn [e] => SOME e | |
170 | | _ => NONE) | |
171 | ||
172 | val _ = Env.registerFunction ("mail_node_to_node", | |
be1bea4c AC |
173 | fn [e] => SOME e |
174 | | _ => NONE) | |
a3698041 AC |
175 | open Ast |
176 | ||
6ae327f8 AC |
177 | val dl = ErrorMsg.dummyLoc |
178 | ||
179 | val nsD = (EString Config.defaultNs, dl) | |
180 | val serialD = (EVar "serialAuto", dl) | |
181 | val refD = (EInt Config.defaultRefresh, dl) | |
182 | val retD = (EInt Config.defaultRetry, dl) | |
183 | val expD = (EInt Config.defaultExpiry, dl) | |
184 | val minD = (EInt Config.defaultMinimum, dl) | |
185 | ||
186 | val soaD = multiApp ((EVar "soa", dl), | |
187 | dl, | |
188 | [nsD, serialD, refD, retD, expD, minD]) | |
189 | ||
e0b0abd2 | 190 | val masterD = (EApp ((EVar "internalMaster", dl), |
8b84db5b | 191 | (EString Config.masterNode, dl)), |
e0b0abd2 AC |
192 | dl) |
193 | ||
8b84db5b AC |
194 | val slavesD = (EList (map (fn s => (EString s, dl)) Config.slaveNodes), dl) |
195 | ||
e0b80e65 AC |
196 | val _ = Defaults.registerDefault ("Aliases", |
197 | (TList (TBase "your_domain", dl), dl), | |
198 | (fn () => (EList [], dl))) | |
199 | ||
6bb366c5 AC |
200 | val _ = Defaults.registerDefault ("Mailbox", |
201 | (TBase "email", dl), | |
202 | (fn () => (EString (getUser ()), dl))) | |
203 | ||
aa56e112 AC |
204 | val _ = Defaults.registerDefault ("DNS", |
205 | (TBase "dnsKind", dl), | |
206 | (fn () => multiApp ((EVar "useDns", dl), | |
207 | dl, | |
8b84db5b | 208 | [soaD, masterD, slavesD]))) |
6ae327f8 | 209 | |
aa56e112 AC |
210 | val _ = Defaults.registerDefault ("TTL", |
211 | (TBase "int", dl), | |
212 | (fn () => (EInt Config.Bind.defaultTTL, dl))) | |
6ae327f8 AC |
213 | |
214 | type soa = {ns : string, | |
215 | serial : int option, | |
216 | ref : int, | |
217 | ret : int, | |
218 | exp : int, | |
219 | min : int} | |
220 | ||
221 | val serial = fn (EVar "serialAuto", _) => SOME NONE | |
222 | | (EApp ((EVar "serialConst", _), n), _) => Option.map SOME (Env.int n) | |
223 | | _ => NONE | |
224 | ||
225 | val soa = fn (EApp ((EApp ((EApp ((EApp ((EApp ((EApp | |
226 | ((EVar "soa", _), ns), _), | |
227 | sl), _), | |
228 | rf), _), | |
229 | ret), _), | |
230 | exp), _), | |
231 | min), _) => | |
232 | (case (Env.string ns, serial sl, Env.int rf, | |
233 | Env.int ret, Env.int exp, Env.int min) of | |
234 | (SOME ns, SOME sl, SOME rf, | |
235 | SOME ret, SOME exp, SOME min) => | |
236 | SOME {ns = ns, | |
237 | serial = sl, | |
238 | ref = rf, | |
239 | ret = ret, | |
240 | exp = exp, | |
241 | min = min} | |
242 | | _ => NONE) | |
243 | | _ => NONE | |
244 | ||
e0b0abd2 AC |
245 | datatype master = |
246 | ExternalMaster of string | |
247 | | InternalMaster of string | |
248 | ||
cf879b4f AC |
249 | val ip = Env.string |
250 | ||
251 | val _ = Env.registerFunction ("ip_of_node", | |
252 | fn [(EString node, _)] => SOME (EString (nodeIp node), dl) | |
253 | | _ => NONE) | |
97665758 AC |
254 | |
255 | val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e) | |
8b84db5b | 256 | | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e) |
e0b0abd2 AC |
257 | | _ => NONE |
258 | ||
6ae327f8 | 259 | datatype dnsKind = |
e0b0abd2 AC |
260 | UseDns of {soa : soa, |
261 | master : master, | |
262 | slaves : string list} | |
6ae327f8 AC |
263 | | NoDns |
264 | ||
e0b0abd2 AC |
265 | val dnsKind = fn (EApp ((EApp ((EApp |
266 | ((EVar "useDns", _), sa), _), | |
267 | mstr), _), | |
268 | slaves), _) => | |
269 | (case (soa sa, master mstr, Env.list Env.string slaves) of | |
270 | (SOME sa, SOME mstr, SOME slaves) => | |
271 | SOME (UseDns {soa = sa, | |
272 | master = mstr, | |
273 | slaves = slaves}) | |
274 | | _ => NONE) | |
325285ab | 275 | | (EVar "noDns", _) => SOME NoDns |
6ae327f8 AC |
276 | | _ => NONE |
277 | ||
a3698041 AC |
278 | val befores = ref (fn (_ : string) => ()) |
279 | val afters = ref (fn (_ : string) => ()) | |
280 | ||
281 | fun registerBefore f = | |
282 | let | |
283 | val old = !befores | |
284 | in | |
285 | befores := (fn x => (old x; f x)) | |
286 | end | |
287 | ||
288 | fun registerAfter f = | |
289 | let | |
290 | val old = !afters | |
291 | in | |
292 | afters := (fn x => (old x; f x)) | |
293 | end | |
294 | ||
71420f8b AC |
295 | val globals = ref (fn () => ()) |
296 | val locals = ref (fn () => ()) | |
297 | ||
298 | fun registerResetGlobal f = | |
299 | let | |
300 | val old = !globals | |
301 | in | |
302 | globals := (fn x => (old x; f x)) | |
303 | end | |
304 | ||
305 | fun registerResetLocal f = | |
306 | let | |
307 | val old = !locals | |
308 | in | |
309 | locals := (fn x => (old x; f x)) | |
310 | end | |
311 | ||
312 | fun resetGlobal () = (!globals (); | |
313 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.resultRoot ^ "/*"))) | |
314 | fun resetLocal () = !locals () | |
315 | ||
a3698041 | 316 | val current = ref "" |
e0b0abd2 | 317 | val currentPath = ref (fn (_ : string) => "") |
e0b80e65 | 318 | val currentPathAli = ref (fn (_ : string, _ : string) => "") |
dac62e84 | 319 | |
d612d62c AC |
320 | val scratch = ref "" |
321 | ||
dac62e84 AC |
322 | fun currentDomain () = !current |
323 | ||
e0b80e65 AC |
324 | val currentsAli = ref ([] : string list) |
325 | ||
326 | fun currentAliasDomains () = !currentsAli | |
327 | fun currentDomains () = currentDomain () :: currentAliasDomains () | |
328 | ||
e0b0abd2 AC |
329 | fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*) |
330 | TextIO.openOut (!currentPath node ^ name)) | |
dac62e84 | 331 | |
e0b80e65 AC |
332 | type files = {write : string -> unit, |
333 | writeDom : unit -> unit, | |
334 | close : unit -> unit} | |
335 | ||
336 | fun domainsFile {node, name} = | |
337 | let | |
338 | val doms = currentDomains () | |
339 | val files = map (fn dom => (dom, TextIO.openOut (!currentPathAli (dom, node) ^ name))) doms | |
340 | in | |
341 | {write = fn s => app (fn (_, outf) => TextIO.output (outf, s)) files, | |
342 | writeDom = fn () => app (fn (dom, outf) => TextIO.output (outf, dom)) files, | |
343 | close = fn () => app (fn (_, outf) => TextIO.closeOut outf) files} | |
344 | end | |
345 | ||
dac62e84 AC |
346 | fun getPath domain = |
347 | let | |
348 | val toks = String.fields (fn ch => ch = #".") domain | |
349 | ||
350 | val elems = foldr (fn (piece, elems) => | |
351 | let | |
352 | val elems = piece :: elems | |
d612d62c | 353 | |
e0b0abd2 AC |
354 | fun doNode node = |
355 | let | |
356 | val path = String.concatWith "/" | |
357 | (Config.resultRoot :: node :: rev elems) | |
358 | val tmpPath = String.concatWith "/" | |
359 | (Config.tmpDir :: node :: rev elems) | |
360 | in | |
361 | (if Posix.FileSys.ST.isDir | |
362 | (Posix.FileSys.stat path) then | |
363 | () | |
364 | else | |
365 | (OS.FileSys.remove path; | |
366 | OS.FileSys.mkDir path)) | |
367 | handle OS.SysErr _ => OS.FileSys.mkDir path; | |
368 | ||
369 | (if Posix.FileSys.ST.isDir | |
370 | (Posix.FileSys.stat tmpPath) then | |
371 | () | |
372 | else | |
373 | (OS.FileSys.remove tmpPath; | |
374 | OS.FileSys.mkDir tmpPath)) | |
375 | handle OS.SysErr _ => OS.FileSys.mkDir tmpPath | |
376 | end | |
377 | in | |
2ed6d0e5 | 378 | app doNode nodes; |
dac62e84 AC |
379 | elems |
380 | end) [] toks | |
381 | in | |
e0b0abd2 | 382 | fn (root, site) => String.concatWith "/" (root :: site :: rev ("" :: elems)) |
d612d62c AC |
383 | end |
384 | ||
385 | datatype file_action' = | |
386 | Add' of {src : string, dst : string} | |
387 | | Delete' of string | |
388 | | Modify' of {src : string, dst : string} | |
389 | ||
e0b0abd2 | 390 | fun findDiffs (site, dom, acts) = |
d612d62c | 391 | let |
e0b0abd2 AC |
392 | val gp = getPath dom |
393 | val realPath = gp (Config.resultRoot, site) | |
394 | val tmpPath = gp (Config.tmpDir, site) | |
395 | ||
396 | (*val _ = print ("getDiffs(" ^ site ^ ", " ^ dom ^ ")... " ^ realPath ^ "; " ^ tmpPath ^ "\n")*) | |
d612d62c AC |
397 | |
398 | val dir = Posix.FileSys.opendir realPath | |
399 | ||
400 | fun loopReal acts = | |
401 | case Posix.FileSys.readdir dir of | |
402 | NONE => (Posix.FileSys.closedir dir; | |
403 | acts) | |
404 | | SOME fname => | |
405 | let | |
406 | val real = OS.Path.joinDirFile {dir = realPath, | |
407 | file = fname} | |
408 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
409 | file = fname} | |
410 | in | |
411 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat real) then | |
412 | loopReal acts | |
413 | else if Posix.FileSys.access (tmp, []) then | |
8df2e702 | 414 | if Slave.shell [Config.diff, " ", real, " ", tmp] then |
d612d62c AC |
415 | loopReal acts |
416 | else | |
e0b0abd2 | 417 | loopReal ((site, dom, realPath, Modify' {src = tmp, dst = real}) :: acts) |
d612d62c | 418 | else |
e0b0abd2 | 419 | loopReal ((site, dom, realPath, Delete' real) :: acts) |
d612d62c AC |
420 | end |
421 | ||
e0b0abd2 | 422 | val acts = loopReal acts |
d612d62c | 423 | |
8df2e702 | 424 | val dir = Posix.FileSys.opendir tmpPath |
d612d62c AC |
425 | |
426 | fun loopTmp 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 tmp) then | |
438 | loopTmp acts | |
439 | else if Posix.FileSys.access (real, []) then | |
440 | loopTmp acts | |
441 | else | |
e0b0abd2 | 442 | loopTmp ((site, dom, realPath, Add' {src = tmp, dst = real}) :: acts) |
d612d62c AC |
443 | end |
444 | ||
445 | val acts = loopTmp acts | |
446 | in | |
447 | acts | |
dac62e84 | 448 | end |
a3698041 | 449 | |
e0b0abd2 AC |
450 | fun findAllDiffs () = |
451 | let | |
452 | val dir = Posix.FileSys.opendir Config.tmpDir | |
453 | val len = length (String.fields (fn ch => ch = #"/") Config.tmpDir) + 1 | |
454 | ||
455 | fun exploreSites diffs = | |
456 | case Posix.FileSys.readdir dir of | |
457 | NONE => diffs | |
458 | | SOME site => | |
459 | let | |
460 | fun explore (dname, diffs) = | |
461 | let | |
462 | val dir = Posix.FileSys.opendir dname | |
463 | ||
464 | fun loop diffs = | |
465 | case Posix.FileSys.readdir dir of | |
466 | NONE => diffs | |
467 | | SOME name => | |
468 | let | |
469 | val fname = OS.Path.joinDirFile {dir = dname, | |
470 | file = name} | |
471 | in | |
472 | loop (if Posix.FileSys.ST.isDir (Posix.FileSys.stat fname) then | |
473 | let | |
474 | val dom = String.fields (fn ch => ch = #"/") fname | |
475 | val dom = List.drop (dom, len) | |
476 | val dom = String.concatWith "." (rev dom) | |
477 | ||
478 | val dname' = OS.Path.joinDirFile {dir = dname, | |
479 | file = name} | |
480 | in | |
481 | explore (dname', | |
482 | findDiffs (site, dom, diffs)) | |
483 | end | |
484 | else | |
485 | diffs) | |
486 | end | |
487 | in | |
488 | loop diffs | |
489 | before Posix.FileSys.closedir dir | |
490 | end | |
491 | in | |
36e42cb8 AC |
492 | exploreSites (explore (OS.Path.joinDirFile {dir = Config.tmpDir, |
493 | file = site}, diffs)) | |
e0b0abd2 AC |
494 | end |
495 | in | |
496 | exploreSites [] | |
497 | before Posix.FileSys.closedir dir | |
498 | end | |
499 | ||
500 | val masterNode : string option ref = ref NONE | |
501 | fun dnsMaster () = !masterNode | |
502 | ||
6ae327f8 AC |
503 | val _ = Env.containerV_one "domain" |
504 | ("domain", Env.string) | |
505 | (fn (evs, dom) => | |
506 | let | |
507 | val kind = Env.env dnsKind (evs, "DNS") | |
508 | val ttl = Env.env Env.int (evs, "TTL") | |
e0b80e65 | 509 | val aliases = Env.env (Env.list Env.string) (evs, "Aliases") |
6ae327f8 | 510 | |
e0b0abd2 | 511 | val path = getPath dom |
6ae327f8 AC |
512 | |
513 | val () = (current := dom; | |
e0b80e65 AC |
514 | currentsAli := Slave.remove (Slave.removeDups aliases, dom); |
515 | currentPath := (fn site => path (Config.tmpDir, site)); | |
516 | currentPathAli := (fn (dom, site) => getPath dom (Config.tmpDir, site))) | |
6ae327f8 | 517 | |
e0b0abd2 | 518 | fun saveSoa (kind, soa : soa) node = |
e2359100 | 519 | let |
e0b80e65 | 520 | val {write, writeDom, close} = domainsFile {node = node, name = "soa"} |
e2359100 | 521 | in |
e0b80e65 AC |
522 | write kind; |
523 | write "\n"; | |
524 | write (Int.toString ttl); | |
525 | write "\n"; | |
526 | write (#ns soa); | |
527 | write "\n"; | |
e2359100 AC |
528 | case #serial soa of |
529 | NONE => () | |
e0b80e65 AC |
530 | | SOME n => write (Int.toString n); |
531 | write "\n"; | |
532 | write (Int.toString (#ref soa)); | |
533 | write "\n"; | |
534 | write (Int.toString (#ret soa)); | |
535 | write "\n"; | |
536 | write (Int.toString (#exp soa)); | |
537 | write "\n"; | |
538 | write (Int.toString (#min soa)); | |
539 | write "\n"; | |
540 | close () | |
e2359100 | 541 | end |
6ae327f8 | 542 | |
a431ca34 | 543 | fun saveNamed (kind, soa : soa, masterIp, slaveIps) node = |
b341fd6d AC |
544 | if dom = "localhost" then |
545 | () | |
546 | else let | |
e0b80e65 | 547 | val {write, writeDom, close} = domainsFile {node = node, name = "named.conf"} |
b341fd6d | 548 | in |
e0b80e65 AC |
549 | write "\nzone \""; |
550 | writeDom (); | |
a431ca34 | 551 | write "\" {\n\ttype "; |
e0b80e65 AC |
552 | write kind; |
553 | write ";\n\tfile \""; | |
554 | write Config.Bind.zonePath_real; | |
555 | write "/"; | |
556 | writeDom (); | |
557 | write ".zone\";\n"; | |
b341fd6d | 558 | case kind of |
a431ca34 AC |
559 | "master" => (write "\tallow-transfer {\n"; |
560 | app (fn ip => (write "\t\t"; | |
561 | write ip; | |
562 | write ";\n")) slaveIps; | |
563 | write "\t};\n") | |
e0b80e65 AC |
564 | | _ => (write "\tmasters { "; |
565 | write masterIp; | |
566 | write "; };\n"); | |
567 | write "};\n"; | |
568 | close () | |
b341fd6d | 569 | end |
6ae327f8 AC |
570 | in |
571 | case kind of | |
e0b0abd2 AC |
572 | NoDns => masterNode := NONE |
573 | | UseDns dns => | |
2ed6d0e5 AC |
574 | let |
575 | val masterIp = | |
576 | case #master dns of | |
a431ca34 | 577 | InternalMaster node => nodeIp node |
2ed6d0e5 | 578 | | ExternalMaster ip => ip |
a431ca34 AC |
579 | |
580 | val slaveIps = map nodeIp (#slaves dns) | |
2ed6d0e5 AC |
581 | in |
582 | app (saveSoa ("slave", #soa dns)) (#slaves dns); | |
a431ca34 | 583 | app (saveNamed ("slave", #soa dns, masterIp, slaveIps)) (#slaves dns); |
2ed6d0e5 AC |
584 | case #master dns of |
585 | InternalMaster node => | |
586 | (masterNode := SOME node; | |
587 | saveSoa ("master", #soa dns) node; | |
a431ca34 | 588 | saveNamed ("master", #soa dns, masterIp, slaveIps) node) |
b25161c7 AC |
589 | | _ => masterNode := NONE |
590 | end; | |
591 | !befores dom | |
6ae327f8 | 592 | end, |
e0b0abd2 AC |
593 | fn () => !afters (!current)) |
594 | ||
595 | val () = Env.registerPre (fn () => (ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], | |
596 | fn cl => "Temp file cleanup failed: " ^ cl)); | |
597 | OS.FileSys.mkDir Config.tmpDir; | |
598 | app (fn node => OS.FileSys.mkDir | |
599 | (OS.Path.joinDirFile {dir = Config.tmpDir, | |
600 | file = node})) | |
2ed6d0e5 | 601 | nodes; |
e0b0abd2 AC |
602 | app (fn node => OS.FileSys.mkDir |
603 | (OS.Path.joinDirFile {dir = Config.resultRoot, | |
604 | file = node}) | |
605 | handle OS.SysErr _ => ()) | |
2ed6d0e5 | 606 | nodes)) |
e0b0abd2 | 607 | |
c189cbe9 AC |
608 | fun handleSite (site, files) = |
609 | let | |
610 | ||
611 | in | |
612 | print ("New configuration for node " ^ site ^ "\n"); | |
613 | if site = Config.defaultNode then | |
614 | Slave.handleChanges files | |
615 | else let | |
616 | val bio = OpenSSL.connect (valOf (!ssl_context), | |
617 | nodeIp site | |
618 | ^ ":" | |
619 | ^ Int.toString Config.slavePort) | |
620 | in | |
621 | app (fn file => Msg.send (bio, MsgFile file)) files; | |
622 | Msg.send (bio, MsgDoFiles); | |
623 | case Msg.recv bio of | |
624 | NONE => print "Slave closed connection unexpectedly\n" | |
625 | | SOME m => | |
626 | case m of | |
627 | MsgOk => print ("Slave " ^ site ^ " finished\n") | |
628 | | MsgError s => print ("Slave " ^ site | |
629 | ^ " returned error: " ^ | |
630 | s ^ "\n") | |
631 | | _ => print ("Slave " ^ site | |
632 | ^ " returned unexpected command\n"); | |
633 | OpenSSL.close bio | |
634 | end | |
635 | end | |
636 | ||
e0b0abd2 AC |
637 | val () = Env.registerPost (fn () => |
638 | let | |
639 | val diffs = findAllDiffs () | |
6ae327f8 | 640 | |
e0b0abd2 AC |
641 | val diffs = map (fn (site, dom, dir, Add' {src, dst}) => |
642 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
643 | fn cl => "Copy failed: " ^ cl); | |
644 | (site, | |
6ae327f8 AC |
645 | {action = Slave.Add, |
646 | domain = dom, | |
647 | dir = dir, | |
e0b0abd2 AC |
648 | file = dst})) |
649 | | (site, dom, dir, Delete' dst) => | |
650 | (OS.FileSys.remove dst | |
651 | handle OS.SysErr _ => | |
652 | ErrorMsg.error NONE ("Delete failed for " ^ dst); | |
653 | (site, | |
6ae327f8 AC |
654 | {action = Slave.Delete, |
655 | domain = dom, | |
656 | dir = dir, | |
e0b0abd2 AC |
657 | file = dst})) |
658 | | (site, dom, dir, Modify' {src, dst}) => | |
659 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
660 | fn cl => "Copy failed: " ^ cl); | |
661 | (site, | |
6ae327f8 AC |
662 | {action = Slave.Modify, |
663 | domain = dom, | |
664 | dir = dir, | |
e0b0abd2 AC |
665 | file = dst}))) diffs |
666 | in | |
667 | if !ErrorMsg.anyErrors then | |
668 | () | |
36e42cb8 AC |
669 | else let |
670 | val changed = foldl (fn ((site, file), changed) => | |
671 | let | |
672 | val ls = case SM.find (changed, site) of | |
673 | NONE => [] | |
674 | | SOME ls => ls | |
675 | in | |
676 | SM.insert (changed, site, file :: ls) | |
677 | end) SM.empty diffs | |
36e42cb8 AC |
678 | in |
679 | SM.appi handleSite changed | |
680 | end; | |
e0b0abd2 | 681 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], |
559e89e9 | 682 | fn cl => "Temp file cleanup failed: " ^ cl)) |
e0b0abd2 | 683 | end) |
6ae327f8 | 684 | |
be1bea4c AC |
685 | fun hasPriv priv = Acl.query {user = getUser (), class = "priv", value = "all"} |
686 | orelse Acl.query {user = getUser (), class = "priv", value = priv} | |
687 | ||
688 | val _ = Env.type_one "dns_node" | |
689 | Env.string | |
690 | (fn node => | |
691 | List.exists (fn x => x = node) Config.dnsNodes_all | |
692 | orelse (hasPriv "dns" | |
693 | andalso List.exists (fn x => x = node) Config.dnsNodes_admin)) | |
60695e99 | 694 | |
bbdf617f AC |
695 | val _ = Env.type_one "mail_node" |
696 | Env.string | |
697 | (fn node => | |
698 | List.exists (fn x => x = node) Config.mailNodes_all | |
699 | orelse (hasPriv "mail" | |
700 | andalso List.exists (fn x => x = node) Config.mailNodes_admin)) | |
701 | ||
e69e60cc | 702 | fun rmdom doms = |
c189cbe9 | 703 | let |
c189cbe9 AC |
704 | fun doNode (node, _) = |
705 | let | |
706 | val dname = OS.Path.joinDirFile {dir = Config.resultRoot, | |
707 | file = node} | |
c189cbe9 | 708 | |
e69e60cc | 709 | fun doDom (dom, actions) = |
93c2f623 | 710 | let |
e69e60cc AC |
711 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) |
712 | val dname = OS.Path.concat (dname, domPath) | |
713 | ||
714 | fun visitDom (dom, dname, actions) = | |
715 | let | |
716 | val dir = Posix.FileSys.opendir dname | |
717 | ||
718 | fun loop actions = | |
719 | case Posix.FileSys.readdir dir of | |
720 | NONE => actions | |
721 | | SOME fname => | |
722 | let | |
723 | val fnameFull = OS.Path.joinDirFile {dir = dname, | |
724 | file = fname} | |
725 | in | |
726 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat fnameFull) then | |
727 | loop (visitDom (fname ^ "." ^ dom, | |
728 | fnameFull, | |
729 | actions)) | |
730 | else | |
731 | loop ({action = Slave.Delete, | |
732 | domain = dom, | |
733 | dir = dname, | |
734 | file = fnameFull} :: actions) | |
735 | end | |
736 | in | |
737 | loop actions | |
738 | before Posix.FileSys.closedir dir | |
739 | end | |
740 | handle OS.SysErr _ => | |
f208fe7e | 741 | (print ("Warning: System error deleting domain " ^ dom ^ " on " ^ node ^ ".\n"); |
e69e60cc | 742 | actions) |
93c2f623 | 743 | in |
e69e60cc | 744 | visitDom (dom, dname, actions) |
93c2f623 AC |
745 | end |
746 | ||
e69e60cc | 747 | val actions = foldl doDom [] doms |
c189cbe9 | 748 | in |
c189cbe9 AC |
749 | handleSite (node, actions) |
750 | end | |
e69e60cc | 751 | handle IO.Io _ => print ("Warning: IO error deleting domains on " ^ node ^ ".\n") |
c189cbe9 AC |
752 | |
753 | fun cleanupNode (node, _) = | |
754 | let | |
e69e60cc AC |
755 | fun doDom dom = |
756 | let | |
757 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) | |
758 | val dname = OS.Path.joinDirFile {dir = Config.resultRoot, | |
759 | file = node} | |
760 | val dname = OS.Path.concat (dname, domPath) | |
761 | in | |
762 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ dname)) | |
763 | end | |
c189cbe9 | 764 | in |
e69e60cc | 765 | app doDom doms |
c189cbe9 AC |
766 | end |
767 | in | |
768 | app doNode Config.nodeIps; | |
769 | app cleanupNode Config.nodeIps | |
770 | end | |
771 | ||
0da1c677 AC |
772 | fun homedirOf uname = |
773 | Posix.SysDB.Passwd.home (Posix.SysDB.getpwnam uname) | |
774 | ||
775 | fun homedir () = homedirOf (getUser ()) | |
776 | ||
a3698041 | 777 | end |