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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 | ||
26c7d224 AC |
51 | val your_ipss = ref SS.empty |
52 | fun your_ips () = !your_ipss | |
53 | ||
998ed174 | 54 | val world_readable = SS.addList (SS.empty, Config.worldReadable) |
70822196 | 55 | val readable_pths = ref world_readable |
998ed174 AC |
56 | fun readable_paths () = !readable_pths |
57 | ||
aa56e112 | 58 | fun setUser user = |
998ed174 AC |
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; | |
26c7d224 AC |
72 | readable_pths := SS.union (your_paths, world_readable); |
73 | your_ipss := Acl.class {user = getUser (), | |
74 | class = "ip"} | |
998ed174 | 75 | end |
aa56e112 | 76 | |
6ae327f8 AC |
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 | ||
629a34f6 AC |
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 | ||
2ed6d0e5 | 93 | fun validNode s = List.exists (fn s' => s = s') nodes |
e0b0abd2 | 94 | |
12adf55a | 95 | fun yourDomain s = SS.member (your_domains (), s) |
8a7c40fa AC |
96 | fun yourUser s = SS.member (your_users (), s) |
97 | fun yourGroup s = SS.member (your_groups (), s) | |
998ed174 | 98 | fun checkPath paths path = |
8a7c40fa AC |
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 | |
998ed174 AC |
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 | |
26c7d224 | 105 | fun yourIp s = SS.member (your_ips (), s) |
12adf55a | 106 | |
edd38024 | 107 | fun yourDomainHost s = |
c98b57cf AC |
108 | yourDomain s |
109 | orelse let | |
edd38024 AC |
110 | val (pref, suf) = Substring.splitl (fn ch => ch <> #".") (Substring.full s) |
111 | in | |
edd38024 AC |
112 | Substring.size suf > 0 |
113 | andalso validHost (Substring.string pref) | |
114 | andalso yourDomain (Substring.string | |
c98b57cf | 115 | (Substring.slice (suf, 1, NONE))) |
edd38024 AC |
116 | end |
117 | ||
93c2f623 AC |
118 | val yourDomain = yourDomainHost |
119 | ||
2aeb9eec AC |
120 | fun validUser s = size s > 0 andalso size s < 20 |
121 | andalso CharVector.all Char.isAlphaNum s | |
122 | ||
2e96b9d4 AC |
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 | ||
2aeb9eec AC |
131 | val validGroup = validUser |
132 | ||
f8dfbbcc AC |
133 | val _ = Env.type_one "no_spaces" |
134 | Env.string | |
ca6ffb3f AC |
135 | (CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch) |
136 | andalso ch <> #"\"" andalso ch <> #"'")) | |
d5754b53 AC |
137 | val _ = Env.type_one "no_newlines" |
138 | Env.string | |
ca6ffb3f | 139 | (CharVector.all (fn ch => Char.isPrint ch andalso ch <> #"\n" andalso ch <> #"\r" |
5e3ad5d2 | 140 | andalso ch <> #"\"")) |
f8dfbbcc | 141 | |
6ae327f8 AC |
142 | val _ = Env.type_one "ip" |
143 | Env.string | |
144 | validIp | |
145 | ||
629a34f6 AC |
146 | val _ = Env.type_one "host" |
147 | Env.string | |
148 | validHost | |
149 | ||
150 | val _ = Env.type_one "domain" | |
151 | Env.string | |
152 | validDomain | |
153 | ||
12adf55a AC |
154 | val _ = Env.type_one "your_domain" |
155 | Env.string | |
156 | yourDomain | |
157 | ||
edd38024 AC |
158 | val _ = Env.type_one "your_domain_host" |
159 | Env.string | |
160 | yourDomainHost | |
161 | ||
2aeb9eec AC |
162 | val _ = Env.type_one "user" |
163 | Env.string | |
164 | validUser | |
165 | ||
166 | val _ = Env.type_one "group" | |
167 | Env.string | |
168 | validGroup | |
169 | ||
8a7c40fa AC |
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 | ||
998ed174 AC |
182 | val _ = Env.type_one "readable_path" |
183 | Env.string | |
184 | readablePath | |
185 | ||
26c7d224 AC |
186 | val _ = Env.type_one "your_ip" |
187 | Env.string | |
188 | yourIp | |
189 | ||
e0b0abd2 AC |
190 | val _ = Env.type_one "node" |
191 | Env.string | |
192 | validNode | |
193 | ||
2e87719c AC |
194 | val _ = Env.registerFunction ("your_ip_to_ip", |
195 | fn [e] => SOME e | |
196 | | _ => NONE) | |
197 | ||
bbdf617f AC |
198 | val _ = Env.registerFunction ("dns_node_to_node", |
199 | fn [e] => SOME e | |
200 | | _ => NONE) | |
201 | ||
202 | val _ = Env.registerFunction ("mail_node_to_node", | |
be1bea4c AC |
203 | fn [e] => SOME e |
204 | | _ => NONE) | |
b0963032 AC |
205 | |
206 | ||
a3698041 AC |
207 | open Ast |
208 | ||
6ae327f8 AC |
209 | val dl = ErrorMsg.dummyLoc |
210 | ||
b0963032 AC |
211 | val _ = Env.registerFunction ("end_in_slash", |
212 | fn [(EString "", _)] => SOME (EString "/", dl) | |
213 | | [(EString s, _)] => | |
214 | SOME (EString (if String.sub (s, size s - 1) = #"/" then | |
215 | s | |
216 | else | |
217 | s ^ "/"), dl) | |
218 | | _ => NONE) | |
219 | ||
220 | ||
6ae327f8 AC |
221 | val nsD = (EString Config.defaultNs, dl) |
222 | val serialD = (EVar "serialAuto", dl) | |
223 | val refD = (EInt Config.defaultRefresh, dl) | |
224 | val retD = (EInt Config.defaultRetry, dl) | |
225 | val expD = (EInt Config.defaultExpiry, dl) | |
226 | val minD = (EInt Config.defaultMinimum, dl) | |
227 | ||
228 | val soaD = multiApp ((EVar "soa", dl), | |
229 | dl, | |
230 | [nsD, serialD, refD, retD, expD, minD]) | |
231 | ||
e0b0abd2 | 232 | val masterD = (EApp ((EVar "internalMaster", dl), |
8b84db5b | 233 | (EString Config.masterNode, dl)), |
e0b0abd2 AC |
234 | dl) |
235 | ||
8b84db5b AC |
236 | val slavesD = (EList (map (fn s => (EString s, dl)) Config.slaveNodes), dl) |
237 | ||
e0b80e65 AC |
238 | val _ = Defaults.registerDefault ("Aliases", |
239 | (TList (TBase "your_domain", dl), dl), | |
240 | (fn () => (EList [], dl))) | |
241 | ||
6bb366c5 AC |
242 | val _ = Defaults.registerDefault ("Mailbox", |
243 | (TBase "email", dl), | |
244 | (fn () => (EString (getUser ()), dl))) | |
245 | ||
aa56e112 AC |
246 | val _ = Defaults.registerDefault ("DNS", |
247 | (TBase "dnsKind", dl), | |
248 | (fn () => multiApp ((EVar "useDns", dl), | |
249 | dl, | |
8b84db5b | 250 | [soaD, masterD, slavesD]))) |
6ae327f8 | 251 | |
aa56e112 AC |
252 | val _ = Defaults.registerDefault ("TTL", |
253 | (TBase "int", dl), | |
254 | (fn () => (EInt Config.Bind.defaultTTL, dl))) | |
6ae327f8 AC |
255 | |
256 | type soa = {ns : string, | |
257 | serial : int option, | |
258 | ref : int, | |
259 | ret : int, | |
260 | exp : int, | |
261 | min : int} | |
262 | ||
263 | val serial = fn (EVar "serialAuto", _) => SOME NONE | |
264 | | (EApp ((EVar "serialConst", _), n), _) => Option.map SOME (Env.int n) | |
265 | | _ => NONE | |
266 | ||
267 | val soa = fn (EApp ((EApp ((EApp ((EApp ((EApp ((EApp | |
268 | ((EVar "soa", _), ns), _), | |
269 | sl), _), | |
270 | rf), _), | |
271 | ret), _), | |
272 | exp), _), | |
273 | min), _) => | |
274 | (case (Env.string ns, serial sl, Env.int rf, | |
275 | Env.int ret, Env.int exp, Env.int min) of | |
276 | (SOME ns, SOME sl, SOME rf, | |
277 | SOME ret, SOME exp, SOME min) => | |
278 | SOME {ns = ns, | |
279 | serial = sl, | |
280 | ref = rf, | |
281 | ret = ret, | |
282 | exp = exp, | |
283 | min = min} | |
284 | | _ => NONE) | |
285 | | _ => NONE | |
286 | ||
e0b0abd2 AC |
287 | datatype master = |
288 | ExternalMaster of string | |
289 | | InternalMaster of string | |
290 | ||
cf879b4f AC |
291 | val ip = Env.string |
292 | ||
293 | val _ = Env.registerFunction ("ip_of_node", | |
294 | fn [(EString node, _)] => SOME (EString (nodeIp node), dl) | |
295 | | _ => NONE) | |
97665758 AC |
296 | |
297 | val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e) | |
8b84db5b | 298 | | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e) |
e0b0abd2 AC |
299 | | _ => NONE |
300 | ||
6ae327f8 | 301 | datatype dnsKind = |
e0b0abd2 AC |
302 | UseDns of {soa : soa, |
303 | master : master, | |
304 | slaves : string list} | |
6ae327f8 AC |
305 | | NoDns |
306 | ||
e0b0abd2 AC |
307 | val dnsKind = fn (EApp ((EApp ((EApp |
308 | ((EVar "useDns", _), sa), _), | |
309 | mstr), _), | |
310 | slaves), _) => | |
311 | (case (soa sa, master mstr, Env.list Env.string slaves) of | |
312 | (SOME sa, SOME mstr, SOME slaves) => | |
313 | SOME (UseDns {soa = sa, | |
314 | master = mstr, | |
315 | slaves = slaves}) | |
316 | | _ => NONE) | |
325285ab | 317 | | (EVar "noDns", _) => SOME NoDns |
6ae327f8 AC |
318 | | _ => NONE |
319 | ||
a3698041 AC |
320 | val befores = ref (fn (_ : string) => ()) |
321 | val afters = ref (fn (_ : string) => ()) | |
322 | ||
323 | fun registerBefore f = | |
324 | let | |
325 | val old = !befores | |
326 | in | |
327 | befores := (fn x => (old x; f x)) | |
328 | end | |
329 | ||
330 | fun registerAfter f = | |
331 | let | |
332 | val old = !afters | |
333 | in | |
334 | afters := (fn x => (old x; f x)) | |
335 | end | |
336 | ||
71420f8b AC |
337 | val globals = ref (fn () => ()) |
338 | val locals = ref (fn () => ()) | |
339 | ||
340 | fun registerResetGlobal f = | |
341 | let | |
342 | val old = !globals | |
343 | in | |
344 | globals := (fn x => (old x; f x)) | |
345 | end | |
346 | ||
347 | fun registerResetLocal f = | |
348 | let | |
349 | val old = !locals | |
350 | in | |
351 | locals := (fn x => (old x; f x)) | |
352 | end | |
353 | ||
354 | fun resetGlobal () = (!globals (); | |
355 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.resultRoot ^ "/*"))) | |
356 | fun resetLocal () = !locals () | |
357 | ||
a3698041 | 358 | val current = ref "" |
e0b0abd2 | 359 | val currentPath = ref (fn (_ : string) => "") |
e0b80e65 | 360 | val currentPathAli = ref (fn (_ : string, _ : string) => "") |
dac62e84 | 361 | |
d612d62c AC |
362 | val scratch = ref "" |
363 | ||
dac62e84 AC |
364 | fun currentDomain () = !current |
365 | ||
e0b80e65 AC |
366 | val currentsAli = ref ([] : string list) |
367 | ||
368 | fun currentAliasDomains () = !currentsAli | |
369 | fun currentDomains () = currentDomain () :: currentAliasDomains () | |
370 | ||
e0b0abd2 AC |
371 | fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*) |
372 | TextIO.openOut (!currentPath node ^ name)) | |
dac62e84 | 373 | |
e0b80e65 AC |
374 | type files = {write : string -> unit, |
375 | writeDom : unit -> unit, | |
376 | close : unit -> unit} | |
377 | ||
378 | fun domainsFile {node, name} = | |
379 | let | |
380 | val doms = currentDomains () | |
381 | val files = map (fn dom => (dom, TextIO.openOut (!currentPathAli (dom, node) ^ name))) doms | |
382 | in | |
383 | {write = fn s => app (fn (_, outf) => TextIO.output (outf, s)) files, | |
384 | writeDom = fn () => app (fn (dom, outf) => TextIO.output (outf, dom)) files, | |
385 | close = fn () => app (fn (_, outf) => TextIO.closeOut outf) files} | |
386 | end | |
387 | ||
dac62e84 AC |
388 | fun getPath domain = |
389 | let | |
390 | val toks = String.fields (fn ch => ch = #".") domain | |
391 | ||
392 | val elems = foldr (fn (piece, elems) => | |
393 | let | |
394 | val elems = piece :: elems | |
d612d62c | 395 | |
e0b0abd2 AC |
396 | fun doNode node = |
397 | let | |
398 | val path = String.concatWith "/" | |
399 | (Config.resultRoot :: node :: rev elems) | |
400 | val tmpPath = String.concatWith "/" | |
401 | (Config.tmpDir :: node :: rev elems) | |
402 | in | |
403 | (if Posix.FileSys.ST.isDir | |
404 | (Posix.FileSys.stat path) then | |
405 | () | |
406 | else | |
407 | (OS.FileSys.remove path; | |
408 | OS.FileSys.mkDir path)) | |
409 | handle OS.SysErr _ => OS.FileSys.mkDir path; | |
410 | ||
411 | (if Posix.FileSys.ST.isDir | |
412 | (Posix.FileSys.stat tmpPath) then | |
413 | () | |
414 | else | |
415 | (OS.FileSys.remove tmpPath; | |
416 | OS.FileSys.mkDir tmpPath)) | |
417 | handle OS.SysErr _ => OS.FileSys.mkDir tmpPath | |
418 | end | |
419 | in | |
2ed6d0e5 | 420 | app doNode nodes; |
dac62e84 AC |
421 | elems |
422 | end) [] toks | |
423 | in | |
e0b0abd2 | 424 | fn (root, site) => String.concatWith "/" (root :: site :: rev ("" :: elems)) |
d612d62c AC |
425 | end |
426 | ||
427 | datatype file_action' = | |
428 | Add' of {src : string, dst : string} | |
429 | | Delete' of string | |
430 | | Modify' of {src : string, dst : string} | |
431 | ||
aaf70d45 | 432 | fun findDiffs (prefixes, site, dom, acts) = |
d612d62c | 433 | let |
e0b0abd2 AC |
434 | val gp = getPath dom |
435 | val realPath = gp (Config.resultRoot, site) | |
436 | val tmpPath = gp (Config.tmpDir, site) | |
437 | ||
438 | (*val _ = print ("getDiffs(" ^ site ^ ", " ^ dom ^ ")... " ^ realPath ^ "; " ^ tmpPath ^ "\n")*) | |
d612d62c AC |
439 | |
440 | val dir = Posix.FileSys.opendir realPath | |
441 | ||
442 | fun loopReal acts = | |
443 | case Posix.FileSys.readdir dir of | |
444 | NONE => (Posix.FileSys.closedir dir; | |
445 | acts) | |
446 | | SOME fname => | |
447 | let | |
448 | val real = OS.Path.joinDirFile {dir = realPath, | |
449 | file = fname} | |
450 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
451 | file = fname} | |
452 | in | |
453 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat real) then | |
454 | loopReal acts | |
455 | else if Posix.FileSys.access (tmp, []) then | |
8df2e702 | 456 | if Slave.shell [Config.diff, " ", real, " ", tmp] then |
d612d62c AC |
457 | loopReal acts |
458 | else | |
e0b0abd2 | 459 | loopReal ((site, dom, realPath, Modify' {src = tmp, dst = real}) :: acts) |
4f9c5b51 | 460 | else if List.exists (fn prefix => String.isPrefix prefix real) prefixes then |
e0b0abd2 | 461 | loopReal ((site, dom, realPath, Delete' real) :: acts) |
aaf70d45 AC |
462 | else |
463 | loopReal acts | |
d612d62c AC |
464 | end |
465 | ||
e0b0abd2 | 466 | val acts = loopReal acts |
d612d62c | 467 | |
8df2e702 | 468 | val dir = Posix.FileSys.opendir tmpPath |
d612d62c AC |
469 | |
470 | fun loopTmp acts = | |
471 | case Posix.FileSys.readdir dir of | |
472 | NONE => (Posix.FileSys.closedir dir; | |
473 | acts) | |
474 | | SOME fname => | |
475 | let | |
476 | val real = OS.Path.joinDirFile {dir = realPath, | |
477 | file = fname} | |
478 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
479 | file = fname} | |
480 | in | |
481 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat tmp) then | |
482 | loopTmp acts | |
483 | else if Posix.FileSys.access (real, []) then | |
484 | loopTmp acts | |
485 | else | |
e0b0abd2 | 486 | loopTmp ((site, dom, realPath, Add' {src = tmp, dst = real}) :: acts) |
d612d62c AC |
487 | end |
488 | ||
489 | val acts = loopTmp acts | |
490 | in | |
491 | acts | |
dac62e84 | 492 | end |
a3698041 | 493 | |
aaf70d45 | 494 | fun findAllDiffs prefixes = |
e0b0abd2 AC |
495 | let |
496 | val dir = Posix.FileSys.opendir Config.tmpDir | |
497 | val len = length (String.fields (fn ch => ch = #"/") Config.tmpDir) + 1 | |
498 | ||
499 | fun exploreSites diffs = | |
500 | case Posix.FileSys.readdir dir of | |
501 | NONE => diffs | |
502 | | SOME site => | |
503 | let | |
504 | fun explore (dname, diffs) = | |
505 | let | |
506 | val dir = Posix.FileSys.opendir dname | |
507 | ||
508 | fun loop diffs = | |
509 | case Posix.FileSys.readdir dir of | |
510 | NONE => diffs | |
511 | | SOME name => | |
512 | let | |
513 | val fname = OS.Path.joinDirFile {dir = dname, | |
514 | file = name} | |
515 | in | |
516 | loop (if Posix.FileSys.ST.isDir (Posix.FileSys.stat fname) then | |
517 | let | |
518 | val dom = String.fields (fn ch => ch = #"/") fname | |
519 | val dom = List.drop (dom, len) | |
520 | val dom = String.concatWith "." (rev dom) | |
521 | ||
522 | val dname' = OS.Path.joinDirFile {dir = dname, | |
523 | file = name} | |
524 | in | |
525 | explore (dname', | |
aaf70d45 | 526 | findDiffs (prefixes, site, dom, diffs)) |
e0b0abd2 AC |
527 | end |
528 | else | |
529 | diffs) | |
530 | end | |
531 | in | |
532 | loop diffs | |
533 | before Posix.FileSys.closedir dir | |
534 | end | |
535 | in | |
36e42cb8 AC |
536 | exploreSites (explore (OS.Path.joinDirFile {dir = Config.tmpDir, |
537 | file = site}, diffs)) | |
e0b0abd2 AC |
538 | end |
539 | in | |
540 | exploreSites [] | |
541 | before Posix.FileSys.closedir dir | |
542 | end | |
543 | ||
544 | val masterNode : string option ref = ref NONE | |
545 | fun dnsMaster () = !masterNode | |
546 | ||
aaf70d45 AC |
547 | val seenDomains : string list ref = ref [] |
548 | ||
6ae327f8 AC |
549 | val _ = Env.containerV_one "domain" |
550 | ("domain", Env.string) | |
551 | (fn (evs, dom) => | |
552 | let | |
aaf70d45 AC |
553 | val () = seenDomains := dom :: !seenDomains |
554 | ||
6ae327f8 AC |
555 | val kind = Env.env dnsKind (evs, "DNS") |
556 | val ttl = Env.env Env.int (evs, "TTL") | |
e0b80e65 | 557 | val aliases = Env.env (Env.list Env.string) (evs, "Aliases") |
6ae327f8 | 558 | |
e0b0abd2 | 559 | val path = getPath dom |
6ae327f8 AC |
560 | |
561 | val () = (current := dom; | |
e0b80e65 AC |
562 | currentsAli := Slave.remove (Slave.removeDups aliases, dom); |
563 | currentPath := (fn site => path (Config.tmpDir, site)); | |
564 | currentPathAli := (fn (dom, site) => getPath dom (Config.tmpDir, site))) | |
6ae327f8 | 565 | |
e0b0abd2 | 566 | fun saveSoa (kind, soa : soa) node = |
e2359100 | 567 | let |
e0b80e65 | 568 | val {write, writeDom, close} = domainsFile {node = node, name = "soa"} |
e2359100 | 569 | in |
e0b80e65 AC |
570 | write kind; |
571 | write "\n"; | |
572 | write (Int.toString ttl); | |
573 | write "\n"; | |
574 | write (#ns soa); | |
575 | write "\n"; | |
e2359100 AC |
576 | case #serial soa of |
577 | NONE => () | |
e0b80e65 AC |
578 | | SOME n => write (Int.toString n); |
579 | write "\n"; | |
580 | write (Int.toString (#ref soa)); | |
581 | write "\n"; | |
582 | write (Int.toString (#ret soa)); | |
583 | write "\n"; | |
584 | write (Int.toString (#exp soa)); | |
585 | write "\n"; | |
586 | write (Int.toString (#min soa)); | |
587 | write "\n"; | |
588 | close () | |
e2359100 | 589 | end |
6ae327f8 | 590 | |
a431ca34 | 591 | fun saveNamed (kind, soa : soa, masterIp, slaveIps) node = |
b341fd6d AC |
592 | if dom = "localhost" then |
593 | () | |
594 | else let | |
e0b80e65 | 595 | val {write, writeDom, close} = domainsFile {node = node, name = "named.conf"} |
b341fd6d | 596 | in |
e0b80e65 AC |
597 | write "\nzone \""; |
598 | writeDom (); | |
a431ca34 | 599 | write "\" {\n\ttype "; |
e0b80e65 AC |
600 | write kind; |
601 | write ";\n\tfile \""; | |
602 | write Config.Bind.zonePath_real; | |
603 | write "/"; | |
604 | writeDom (); | |
605 | write ".zone\";\n"; | |
b341fd6d | 606 | case kind of |
a431ca34 AC |
607 | "master" => (write "\tallow-transfer {\n"; |
608 | app (fn ip => (write "\t\t"; | |
609 | write ip; | |
610 | write ";\n")) slaveIps; | |
611 | write "\t};\n") | |
e0b80e65 AC |
612 | | _ => (write "\tmasters { "; |
613 | write masterIp; | |
614 | write "; };\n"); | |
615 | write "};\n"; | |
616 | close () | |
b341fd6d | 617 | end |
6ae327f8 AC |
618 | in |
619 | case kind of | |
e0b0abd2 AC |
620 | NoDns => masterNode := NONE |
621 | | UseDns dns => | |
2ed6d0e5 AC |
622 | let |
623 | val masterIp = | |
624 | case #master dns of | |
a431ca34 | 625 | InternalMaster node => nodeIp node |
2ed6d0e5 | 626 | | ExternalMaster ip => ip |
a431ca34 AC |
627 | |
628 | val slaveIps = map nodeIp (#slaves dns) | |
2ed6d0e5 AC |
629 | in |
630 | app (saveSoa ("slave", #soa dns)) (#slaves dns); | |
a431ca34 | 631 | app (saveNamed ("slave", #soa dns, masterIp, slaveIps)) (#slaves dns); |
2ed6d0e5 AC |
632 | case #master dns of |
633 | InternalMaster node => | |
634 | (masterNode := SOME node; | |
635 | saveSoa ("master", #soa dns) node; | |
a431ca34 | 636 | saveNamed ("master", #soa dns, masterIp, slaveIps) node) |
b25161c7 AC |
637 | | _ => masterNode := NONE |
638 | end; | |
639 | !befores dom | |
6ae327f8 | 640 | end, |
e0b0abd2 AC |
641 | fn () => !afters (!current)) |
642 | ||
aaf70d45 AC |
643 | val () = Env.registerPre (fn () => (seenDomains := []; |
644 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], | |
e0b0abd2 AC |
645 | fn cl => "Temp file cleanup failed: " ^ cl)); |
646 | OS.FileSys.mkDir Config.tmpDir; | |
647 | app (fn node => OS.FileSys.mkDir | |
648 | (OS.Path.joinDirFile {dir = Config.tmpDir, | |
649 | file = node})) | |
2ed6d0e5 | 650 | nodes; |
e0b0abd2 AC |
651 | app (fn node => OS.FileSys.mkDir |
652 | (OS.Path.joinDirFile {dir = Config.resultRoot, | |
653 | file = node}) | |
654 | handle OS.SysErr _ => ()) | |
2ed6d0e5 | 655 | nodes)) |
e0b0abd2 | 656 | |
c189cbe9 AC |
657 | fun handleSite (site, files) = |
658 | let | |
659 | ||
660 | in | |
661 | print ("New configuration for node " ^ site ^ "\n"); | |
662 | if site = Config.defaultNode then | |
663 | Slave.handleChanges files | |
664 | else let | |
665 | val bio = OpenSSL.connect (valOf (!ssl_context), | |
666 | nodeIp site | |
667 | ^ ":" | |
668 | ^ Int.toString Config.slavePort) | |
669 | in | |
670 | app (fn file => Msg.send (bio, MsgFile file)) files; | |
671 | Msg.send (bio, MsgDoFiles); | |
672 | case Msg.recv bio of | |
673 | NONE => print "Slave closed connection unexpectedly\n" | |
674 | | SOME m => | |
675 | case m of | |
676 | MsgOk => print ("Slave " ^ site ^ " finished\n") | |
677 | | MsgError s => print ("Slave " ^ site | |
678 | ^ " returned error: " ^ | |
679 | s ^ "\n") | |
680 | | _ => print ("Slave " ^ site | |
681 | ^ " returned unexpected command\n"); | |
682 | OpenSSL.close bio | |
683 | end | |
684 | end | |
685 | ||
e0b0abd2 AC |
686 | val () = Env.registerPost (fn () => |
687 | let | |
4f9c5b51 AC |
688 | val prefixes = List.concat |
689 | (List.map (fn dom => | |
690 | let | |
691 | val pieces = String.tokens (fn ch => ch = #".") dom | |
692 | val path = String.concatWith "/" (rev pieces) | |
693 | in | |
694 | List.map (fn node => | |
695 | Config.resultRoot ^ "/" ^ node ^ "/" ^ path ^ "/") | |
696 | nodes | |
697 | end) (!seenDomains)) | |
aaf70d45 AC |
698 | |
699 | val diffs = findAllDiffs prefixes | |
6ae327f8 | 700 | |
e0b0abd2 AC |
701 | val diffs = map (fn (site, dom, dir, Add' {src, dst}) => |
702 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
703 | fn cl => "Copy failed: " ^ cl); | |
704 | (site, | |
6ae327f8 AC |
705 | {action = Slave.Add, |
706 | domain = dom, | |
707 | dir = dir, | |
e0b0abd2 AC |
708 | file = dst})) |
709 | | (site, dom, dir, Delete' dst) => | |
710 | (OS.FileSys.remove dst | |
711 | handle OS.SysErr _ => | |
712 | ErrorMsg.error NONE ("Delete failed for " ^ dst); | |
713 | (site, | |
1638d5a2 | 714 | {action = Slave.Delete true, |
6ae327f8 AC |
715 | domain = dom, |
716 | dir = dir, | |
e0b0abd2 AC |
717 | file = dst})) |
718 | | (site, dom, dir, Modify' {src, dst}) => | |
719 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
720 | fn cl => "Copy failed: " ^ cl); | |
721 | (site, | |
6ae327f8 AC |
722 | {action = Slave.Modify, |
723 | domain = dom, | |
724 | dir = dir, | |
e0b0abd2 AC |
725 | file = dst}))) diffs |
726 | in | |
727 | if !ErrorMsg.anyErrors then | |
728 | () | |
36e42cb8 AC |
729 | else let |
730 | val changed = foldl (fn ((site, file), changed) => | |
731 | let | |
732 | val ls = case SM.find (changed, site) of | |
733 | NONE => [] | |
734 | | SOME ls => ls | |
735 | in | |
736 | SM.insert (changed, site, file :: ls) | |
737 | end) SM.empty diffs | |
36e42cb8 AC |
738 | in |
739 | SM.appi handleSite changed | |
740 | end; | |
e0b0abd2 | 741 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], |
559e89e9 | 742 | fn cl => "Temp file cleanup failed: " ^ cl)) |
e0b0abd2 | 743 | end) |
6ae327f8 | 744 | |
be1bea4c AC |
745 | fun hasPriv priv = Acl.query {user = getUser (), class = "priv", value = "all"} |
746 | orelse Acl.query {user = getUser (), class = "priv", value = priv} | |
747 | ||
748 | val _ = Env.type_one "dns_node" | |
749 | Env.string | |
750 | (fn node => | |
751 | List.exists (fn x => x = node) Config.dnsNodes_all | |
752 | orelse (hasPriv "dns" | |
753 | andalso List.exists (fn x => x = node) Config.dnsNodes_admin)) | |
60695e99 | 754 | |
bbdf617f AC |
755 | val _ = Env.type_one "mail_node" |
756 | Env.string | |
757 | (fn node => | |
758 | List.exists (fn x => x = node) Config.mailNodes_all | |
759 | orelse (hasPriv "mail" | |
760 | andalso List.exists (fn x => x = node) Config.mailNodes_admin)) | |
761 | ||
1638d5a2 | 762 | fun rmdom' delete resultRoot doms = |
c189cbe9 | 763 | let |
c189cbe9 AC |
764 | fun doNode (node, _) = |
765 | let | |
1638d5a2 | 766 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
c189cbe9 | 767 | file = node} |
c189cbe9 | 768 | |
e69e60cc | 769 | fun doDom (dom, actions) = |
93c2f623 | 770 | let |
e69e60cc AC |
771 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) |
772 | val dname = OS.Path.concat (dname, domPath) | |
773 | ||
774 | fun visitDom (dom, dname, actions) = | |
775 | let | |
776 | val dir = Posix.FileSys.opendir dname | |
777 | ||
778 | fun loop actions = | |
779 | case Posix.FileSys.readdir dir of | |
780 | NONE => actions | |
781 | | SOME fname => | |
782 | let | |
783 | val fnameFull = OS.Path.joinDirFile {dir = dname, | |
784 | file = fname} | |
785 | in | |
786 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat fnameFull) then | |
787 | loop (visitDom (fname ^ "." ^ dom, | |
788 | fnameFull, | |
789 | actions)) | |
1638d5a2 | 790 | else |
1638d5a2 AC |
791 | loop ({action = Slave.Delete delete, |
792 | domain = dom, | |
793 | dir = dname, | |
b200e996 | 794 | file = fnameFull} :: actions) |
e69e60cc AC |
795 | end |
796 | in | |
797 | loop actions | |
798 | before Posix.FileSys.closedir dir | |
799 | end | |
1638d5a2 AC |
800 | handle OS.SysErr (s, _) => |
801 | (print ("Warning: System error deleting domain " ^ dom ^ " on " ^ node ^ ": " ^ s ^ "\n"); | |
e69e60cc | 802 | actions) |
93c2f623 | 803 | in |
e69e60cc | 804 | visitDom (dom, dname, actions) |
93c2f623 AC |
805 | end |
806 | ||
e69e60cc | 807 | val actions = foldl doDom [] doms |
c189cbe9 | 808 | in |
c189cbe9 AC |
809 | handleSite (node, actions) |
810 | end | |
e69e60cc | 811 | handle IO.Io _ => print ("Warning: IO error deleting domains on " ^ node ^ ".\n") |
c189cbe9 AC |
812 | |
813 | fun cleanupNode (node, _) = | |
814 | let | |
e69e60cc AC |
815 | fun doDom dom = |
816 | let | |
817 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) | |
1638d5a2 | 818 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
e69e60cc AC |
819 | file = node} |
820 | val dname = OS.Path.concat (dname, domPath) | |
821 | in | |
1638d5a2 AC |
822 | if delete then |
823 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ dname)) | |
824 | else | |
825 | () | |
e69e60cc | 826 | end |
c189cbe9 | 827 | in |
e69e60cc | 828 | app doDom doms |
c189cbe9 AC |
829 | end |
830 | in | |
831 | app doNode Config.nodeIps; | |
832 | app cleanupNode Config.nodeIps | |
833 | end | |
834 | ||
1638d5a2 AC |
835 | val rmdom = rmdom' true Config.resultRoot |
836 | val rmdom' = rmdom' false | |
837 | ||
0da1c677 AC |
838 | fun homedirOf uname = |
839 | Posix.SysDB.Passwd.home (Posix.SysDB.getpwnam uname) | |
840 | ||
841 | fun homedir () = homedirOf (getUser ()) | |
842 | ||
314ce7bd AC |
843 | type subject = {node : string, domain : string} |
844 | ||
845 | val describers : (subject -> string) list ref = ref [] | |
846 | ||
847 | fun registerDescriber f = describers := f :: !describers | |
848 | ||
41c58daf | 849 | fun describeOne arg = String.concat (map (fn f => f arg) (rev (!describers))) |
314ce7bd | 850 | |
d300166d AC |
851 | val line = "--------------------------------------------------------------\n" |
852 | val dline = "==============================================================\n" | |
314ce7bd AC |
853 | |
854 | fun describe dom = | |
855 | String.concat (List.mapPartial | |
856 | (fn node => | |
857 | case describeOne {node = node, domain = dom} of | |
858 | "" => NONE | |
859 | | s => | |
860 | SOME (String.concat [dline, "Node ", node, "\n", dline, "\n", s])) | |
861 | nodes) | |
862 | ||
863 | datatype description = | |
41c58daf | 864 | Filename of { filename : string, heading : string, showEmpty : bool } |
314ce7bd AC |
865 | | Extension of { extension : string, heading : string -> string } |
866 | ||
867 | fun considerAll ds {node, domain} = | |
868 | let | |
869 | val ds = map (fn d => (d, ref [])) ds | |
870 | ||
871 | val path = Config.resultRoot | |
872 | val jdf = OS.Path.joinDirFile | |
873 | val path = jdf {dir = path, file = node} | |
874 | val path = foldr (fn (more, path) => jdf {dir = path, file = more}) | |
875 | path (String.tokens (fn ch => ch = #".") domain) | |
876 | in | |
877 | if Posix.FileSys.access (path, []) then | |
878 | let | |
879 | val dir = Posix.FileSys.opendir path | |
880 | ||
881 | fun loop () = | |
882 | case Posix.FileSys.readdir dir of | |
883 | NONE => () | |
884 | | SOME fname => | |
41c58daf AC |
885 | (app (fn (d, entries) => |
886 | let | |
887 | fun readFile showEmpty entries' = | |
888 | let | |
889 | val fname = OS.Path.joinDirFile {dir = path, | |
890 | file = fname} | |
891 | ||
892 | val inf = TextIO.openIn fname | |
893 | ||
894 | fun loop (seenOne, entries') = | |
895 | case TextIO.inputLine inf of | |
896 | NONE => if seenOne orelse showEmpty then | |
897 | "\n" :: entries' | |
898 | else | |
899 | !entries | |
900 | | SOME line => loop (true, line :: entries') | |
901 | in | |
902 | loop (false, entries') | |
903 | before TextIO.closeIn inf | |
904 | end | |
905 | in | |
906 | case d of | |
907 | Filename {filename, heading, showEmpty} => | |
908 | if fname = filename then | |
d936cf4d | 909 | entries := readFile showEmpty ("\n" :: line :: "\n" :: heading :: line :: !entries) |
41c58daf AC |
910 | else |
911 | () | |
912 | | Extension {extension, heading} => | |
913 | let | |
914 | val {base, ext} = OS.Path.splitBaseExt fname | |
915 | in | |
916 | case ext of | |
917 | NONE => () | |
918 | | SOME extension' => | |
919 | if extension' = extension then | |
d936cf4d | 920 | entries := readFile true ("\n" :: line :: "\n" :: heading base :: line :: !entries) |
41c58daf AC |
921 | else |
922 | () | |
923 | end | |
924 | end) ds; | |
925 | loop ()) | |
314ce7bd AC |
926 | in |
927 | loop (); | |
928 | Posix.FileSys.closedir dir; | |
929 | String.concat (List.concat (map (fn (_, entries) => rev (!entries)) ds)) | |
930 | end | |
931 | else | |
932 | "" | |
933 | end | |
934 | ||
935 | val () = registerDescriber (considerAll [Filename {filename = "soa", | |
d936cf4d | 936 | heading = "DNS SOA:", |
41c58daf | 937 | showEmpty = false}]) |
314ce7bd | 938 | |
e9f528ab AC |
939 | val () = Env.registerAction ("domainHost", |
940 | fn (env, [(EString host, _)]) => | |
941 | SM.insert (env, "Hostname", | |
942 | (EString (host ^ "." ^ currentDomain ()), dl)) | |
943 | | (_, args) => Env.badArgs ("domainHost", args)) | |
944 | ||
a3698041 | 945 | end |