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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 | |
9b8c6dc8 | 30 | fun get_context () = valOf (!ssl_context) |
36e42cb8 | 31 | |
12adf55a | 32 | val nodes = map #1 Config.nodeIps |
2ed6d0e5 AC |
33 | val nodeMap = foldl (fn ((node, ip), mp) => SM.insert (mp, node, ip)) |
34 | SM.empty Config.nodeIps | |
8a7c40fa | 35 | fun nodeIp node = valOf (SM.find (nodeMap, node)) |
2ed6d0e5 | 36 | |
12adf55a | 37 | val usr = ref "" |
12adf55a | 38 | fun getUser () = !usr |
04502362 AC |
39 | val fakePrivs = ref false |
40 | val isClient = ref false | |
12adf55a AC |
41 | |
42 | val your_doms = ref SS.empty | |
43 | fun your_domains () = !your_doms | |
44 | ||
8a7c40fa AC |
45 | val your_usrs = ref SS.empty |
46 | fun your_users () = !your_usrs | |
47 | ||
48 | val your_grps = ref SS.empty | |
49 | fun your_groups () = !your_grps | |
50 | ||
51 | val your_pths = ref SS.empty | |
52 | fun your_paths () = !your_pths | |
53 | ||
26c7d224 AC |
54 | val your_ipss = ref SS.empty |
55 | fun your_ips () = !your_ipss | |
56 | ||
998ed174 | 57 | val world_readable = SS.addList (SS.empty, Config.worldReadable) |
70822196 | 58 | val readable_pths = ref world_readable |
998ed174 AC |
59 | fun readable_paths () = !readable_pths |
60 | ||
aa56e112 | 61 | fun setUser user = |
998ed174 AC |
62 | let |
63 | val () = usr := user | |
64 | ||
65 | val your_paths = Acl.class {user = getUser (), | |
66 | class = "path"} | |
67 | in | |
04502362 | 68 | fakePrivs := false; |
998ed174 AC |
69 | your_doms := Acl.class {user = getUser (), |
70 | class = "domain"}; | |
71 | your_usrs := Acl.class {user = getUser (), | |
72 | class = "user"}; | |
73 | your_grps := Acl.class {user = getUser (), | |
74 | class = "group"}; | |
75 | your_pths := your_paths; | |
26c7d224 AC |
76 | readable_pths := SS.union (your_paths, world_readable); |
77 | your_ipss := Acl.class {user = getUser (), | |
78 | class = "ip"} | |
998ed174 | 79 | end |
aa56e112 | 80 | |
04502362 AC |
81 | fun declareClient () = isClient := true |
82 | fun fakePrivileges () = if !isClient then | |
83 | fakePrivs := true | |
84 | else | |
85 | raise Fail "Tried to fake privileges as non-client" | |
86 | ||
6ae327f8 AC |
87 | fun validIp s = |
88 | case map Int.fromString (String.fields (fn ch => ch = #".") s) of | |
89 | [SOME n1, SOME n2, SOME n3, SOME n4] => | |
90 | n1 >= 0 andalso n1 < 256 andalso n2 >= 0 andalso n2 < 256 andalso n3 >= 0 andalso n3 < 256 andalso n4 >= 0 andalso n4 < 256 | |
91 | | _ => false | |
92 | ||
090692f7 AC |
93 | fun isHexDigit ch = Char.isDigit ch orelse (ord ch >= ord #"a" andalso ord ch <= ord #"f") |
94 | ||
95 | fun validIpv6 s = | |
96 | let | |
97 | val fields = String.fields (fn ch => ch = #":") s | |
98 | ||
99 | val empties = foldl (fn ("", n) => n + 1 | |
100 | | (_, n) => n) 0 fields | |
101 | ||
102 | fun noIpv4 maxLen = | |
103 | length fields >= 2 | |
104 | andalso length fields <= maxLen | |
105 | andalso empties <= 1 | |
106 | andalso List.all (fn "" => true | |
107 | | s => size s <= 4 | |
108 | andalso CharVector.all isHexDigit s) fields | |
109 | ||
110 | fun hasIpv4 () = | |
111 | length fields > 0 | |
112 | andalso | |
113 | let | |
114 | val maybeIpv4 = List.last fields | |
115 | val theRest = List.take (fields, length fields - 1) | |
116 | in | |
117 | validIp maybeIpv4 andalso noIpv4 6 | |
118 | end | |
119 | in | |
120 | noIpv4 8 orelse hasIpv4 () | |
121 | end | |
122 | ||
629a34f6 AC |
123 | fun isIdent ch = Char.isLower ch orelse Char.isDigit ch |
124 | ||
125 | fun validHost s = | |
16c5174b | 126 | size s > 0 andalso size s < 50 |
629a34f6 AC |
127 | andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s |
128 | ||
129 | fun validDomain s = | |
16c5174b | 130 | size s > 0 andalso size s < 200 |
629a34f6 AC |
131 | andalso List.all validHost (String.fields (fn ch => ch = #".") s) |
132 | ||
2ed6d0e5 | 133 | fun validNode s = List.exists (fn s' => s = s') nodes |
e0b0abd2 | 134 | |
04502362 | 135 | fun yourDomain s = !fakePrivs orelse SS.member (your_domains (), s) |
fdc43c6c AC |
136 | fun yourUser s = SS.member (your_users (), s) |
137 | fun yourGroup s = SS.member (your_groups (), s) | |
998ed174 | 138 | fun checkPath paths path = |
04502362 AC |
139 | (List.all (fn s => s <> "..") (String.fields (fn ch => ch = #"/") path) |
140 | andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"/" | |
141 | orelse ch = #"-" orelse ch = #"_") path | |
142 | andalso SS.exists (fn s' => path = s' orelse String.isPrefix (s' ^ "/") path) (paths ())) | |
998ed174 AC |
143 | val yourPath = checkPath your_paths |
144 | val readablePath = checkPath readable_paths | |
04502362 | 145 | fun yourIp s = !fakePrivs orelse SS.member (your_ips (), s) |
12adf55a | 146 | |
edd38024 | 147 | fun yourDomainHost s = |
04502362 AC |
148 | !fakePrivs |
149 | orelse yourDomain s | |
c98b57cf | 150 | orelse let |
edd38024 AC |
151 | val (pref, suf) = Substring.splitl (fn ch => ch <> #".") (Substring.full s) |
152 | in | |
edd38024 AC |
153 | Substring.size suf > 0 |
154 | andalso validHost (Substring.string pref) | |
155 | andalso yourDomain (Substring.string | |
c98b57cf | 156 | (Substring.slice (suf, 1, NONE))) |
edd38024 AC |
157 | end |
158 | ||
93c2f623 AC |
159 | val yourDomain = yourDomainHost |
160 | ||
2aeb9eec AC |
161 | fun validUser s = size s > 0 andalso size s < 20 |
162 | andalso CharVector.all Char.isAlphaNum s | |
163 | ||
2e96b9d4 AC |
164 | fun validEmailUser s = |
165 | size s > 0 andalso size s < 50 | |
166 | andalso CharVector.all (fn ch => Char.isAlphaNum ch | |
167 | orelse ch = #"." | |
168 | orelse ch = #"_" | |
169 | orelse ch = #"-" | |
170 | orelse ch = #"+") s | |
171 | ||
2aeb9eec AC |
172 | val validGroup = validUser |
173 | ||
f8dfbbcc AC |
174 | val _ = Env.type_one "no_spaces" |
175 | Env.string | |
ca6ffb3f AC |
176 | (CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch) |
177 | andalso ch <> #"\"" andalso ch <> #"'")) | |
d5754b53 AC |
178 | val _ = Env.type_one "no_newlines" |
179 | Env.string | |
ca6ffb3f | 180 | (CharVector.all (fn ch => Char.isPrint ch andalso ch <> #"\n" andalso ch <> #"\r" |
5e3ad5d2 | 181 | andalso ch <> #"\"")) |
f8dfbbcc | 182 | |
6ae327f8 AC |
183 | val _ = Env.type_one "ip" |
184 | Env.string | |
185 | validIp | |
186 | ||
090692f7 AC |
187 | val _ = Env.type_one "ipv6" |
188 | Env.string | |
189 | validIpv6 | |
190 | ||
629a34f6 AC |
191 | val _ = Env.type_one "host" |
192 | Env.string | |
193 | validHost | |
194 | ||
195 | val _ = Env.type_one "domain" | |
196 | Env.string | |
197 | validDomain | |
198 | ||
12adf55a AC |
199 | val _ = Env.type_one "your_domain" |
200 | Env.string | |
201 | yourDomain | |
202 | ||
edd38024 AC |
203 | val _ = Env.type_one "your_domain_host" |
204 | Env.string | |
205 | yourDomainHost | |
206 | ||
2aeb9eec AC |
207 | val _ = Env.type_one "user" |
208 | Env.string | |
209 | validUser | |
210 | ||
211 | val _ = Env.type_one "group" | |
212 | Env.string | |
213 | validGroup | |
214 | ||
8a7c40fa AC |
215 | val _ = Env.type_one "your_user" |
216 | Env.string | |
217 | yourUser | |
218 | ||
219 | val _ = Env.type_one "your_group" | |
220 | Env.string | |
221 | yourGroup | |
222 | ||
223 | val _ = Env.type_one "your_path" | |
224 | Env.string | |
225 | yourPath | |
226 | ||
998ed174 AC |
227 | val _ = Env.type_one "readable_path" |
228 | Env.string | |
229 | readablePath | |
230 | ||
26c7d224 AC |
231 | val _ = Env.type_one "your_ip" |
232 | Env.string | |
233 | yourIp | |
234 | ||
e0b0abd2 AC |
235 | val _ = Env.type_one "node" |
236 | Env.string | |
237 | validNode | |
238 | ||
fb09779a AC |
239 | val _ = Env.type_one "mime_type" |
240 | Env.string | |
241 | (CharVector.exists (fn ch => ch = #"/")) | |
242 | ||
2e87719c AC |
243 | val _ = Env.registerFunction ("your_ip_to_ip", |
244 | fn [e] => SOME e | |
245 | | _ => NONE) | |
246 | ||
bbdf617f AC |
247 | val _ = Env.registerFunction ("dns_node_to_node", |
248 | fn [e] => SOME e | |
249 | | _ => NONE) | |
250 | ||
251 | val _ = Env.registerFunction ("mail_node_to_node", | |
be1bea4c AC |
252 | fn [e] => SOME e |
253 | | _ => NONE) | |
b0963032 AC |
254 | |
255 | ||
a3698041 AC |
256 | open Ast |
257 | ||
6ae327f8 AC |
258 | val dl = ErrorMsg.dummyLoc |
259 | ||
b0963032 AC |
260 | val _ = Env.registerFunction ("end_in_slash", |
261 | fn [(EString "", _)] => SOME (EString "/", dl) | |
262 | | [(EString s, _)] => | |
263 | SOME (EString (if String.sub (s, size s - 1) = #"/" then | |
264 | s | |
265 | else | |
266 | s ^ "/"), dl) | |
267 | | _ => NONE) | |
268 | ||
269 | ||
6ae327f8 AC |
270 | val nsD = (EString Config.defaultNs, dl) |
271 | val serialD = (EVar "serialAuto", dl) | |
272 | val refD = (EInt Config.defaultRefresh, dl) | |
273 | val retD = (EInt Config.defaultRetry, dl) | |
274 | val expD = (EInt Config.defaultExpiry, dl) | |
275 | val minD = (EInt Config.defaultMinimum, dl) | |
276 | ||
277 | val soaD = multiApp ((EVar "soa", dl), | |
278 | dl, | |
279 | [nsD, serialD, refD, retD, expD, minD]) | |
280 | ||
e0b0abd2 | 281 | val masterD = (EApp ((EVar "internalMaster", dl), |
8b84db5b | 282 | (EString Config.masterNode, dl)), |
e0b0abd2 AC |
283 | dl) |
284 | ||
8b84db5b AC |
285 | val slavesD = (EList (map (fn s => (EString s, dl)) Config.slaveNodes), dl) |
286 | ||
e0b80e65 AC |
287 | val _ = Defaults.registerDefault ("Aliases", |
288 | (TList (TBase "your_domain", dl), dl), | |
289 | (fn () => (EList [], dl))) | |
290 | ||
6bb366c5 AC |
291 | val _ = Defaults.registerDefault ("Mailbox", |
292 | (TBase "email", dl), | |
293 | (fn () => (EString (getUser ()), dl))) | |
294 | ||
aa56e112 AC |
295 | val _ = Defaults.registerDefault ("DNS", |
296 | (TBase "dnsKind", dl), | |
297 | (fn () => multiApp ((EVar "useDns", dl), | |
298 | dl, | |
8b84db5b | 299 | [soaD, masterD, slavesD]))) |
6ae327f8 | 300 | |
aa56e112 AC |
301 | val _ = Defaults.registerDefault ("TTL", |
302 | (TBase "int", dl), | |
303 | (fn () => (EInt Config.Bind.defaultTTL, dl))) | |
6ae327f8 AC |
304 | |
305 | type soa = {ns : string, | |
306 | serial : int option, | |
307 | ref : int, | |
308 | ret : int, | |
309 | exp : int, | |
310 | min : int} | |
311 | ||
312 | val serial = fn (EVar "serialAuto", _) => SOME NONE | |
313 | | (EApp ((EVar "serialConst", _), n), _) => Option.map SOME (Env.int n) | |
314 | | _ => NONE | |
315 | ||
316 | val soa = fn (EApp ((EApp ((EApp ((EApp ((EApp ((EApp | |
317 | ((EVar "soa", _), ns), _), | |
318 | sl), _), | |
319 | rf), _), | |
320 | ret), _), | |
321 | exp), _), | |
322 | min), _) => | |
323 | (case (Env.string ns, serial sl, Env.int rf, | |
324 | Env.int ret, Env.int exp, Env.int min) of | |
325 | (SOME ns, SOME sl, SOME rf, | |
326 | SOME ret, SOME exp, SOME min) => | |
327 | SOME {ns = ns, | |
328 | serial = sl, | |
329 | ref = rf, | |
330 | ret = ret, | |
331 | exp = exp, | |
332 | min = min} | |
333 | | _ => NONE) | |
334 | | _ => NONE | |
335 | ||
e0b0abd2 AC |
336 | datatype master = |
337 | ExternalMaster of string | |
338 | | InternalMaster of string | |
339 | ||
cf879b4f AC |
340 | val ip = Env.string |
341 | ||
342 | val _ = Env.registerFunction ("ip_of_node", | |
343 | fn [(EString node, _)] => SOME (EString (nodeIp node), dl) | |
344 | | _ => NONE) | |
97665758 AC |
345 | |
346 | val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e) | |
8b84db5b | 347 | | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e) |
e0b0abd2 AC |
348 | | _ => NONE |
349 | ||
6ae327f8 | 350 | datatype dnsKind = |
e0b0abd2 AC |
351 | UseDns of {soa : soa, |
352 | master : master, | |
353 | slaves : string list} | |
6ae327f8 AC |
354 | | NoDns |
355 | ||
e0b0abd2 AC |
356 | val dnsKind = fn (EApp ((EApp ((EApp |
357 | ((EVar "useDns", _), sa), _), | |
358 | mstr), _), | |
359 | slaves), _) => | |
360 | (case (soa sa, master mstr, Env.list Env.string slaves) of | |
361 | (SOME sa, SOME mstr, SOME slaves) => | |
362 | SOME (UseDns {soa = sa, | |
363 | master = mstr, | |
364 | slaves = slaves}) | |
365 | | _ => NONE) | |
325285ab | 366 | | (EVar "noDns", _) => SOME NoDns |
6ae327f8 AC |
367 | | _ => NONE |
368 | ||
a3698041 AC |
369 | val befores = ref (fn (_ : string) => ()) |
370 | val afters = ref (fn (_ : string) => ()) | |
371 | ||
372 | fun registerBefore f = | |
373 | let | |
374 | val old = !befores | |
375 | in | |
376 | befores := (fn x => (old x; f x)) | |
377 | end | |
378 | ||
379 | fun registerAfter f = | |
380 | let | |
381 | val old = !afters | |
382 | in | |
383 | afters := (fn x => (old x; f x)) | |
384 | end | |
385 | ||
71420f8b AC |
386 | val globals = ref (fn () => ()) |
387 | val locals = ref (fn () => ()) | |
388 | ||
389 | fun registerResetGlobal f = | |
390 | let | |
391 | val old = !globals | |
392 | in | |
393 | globals := (fn x => (old x; f x)) | |
394 | end | |
395 | ||
396 | fun registerResetLocal f = | |
397 | let | |
398 | val old = !locals | |
399 | in | |
400 | locals := (fn x => (old x; f x)) | |
401 | end | |
402 | ||
403 | fun resetGlobal () = (!globals (); | |
404 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.resultRoot ^ "/*"))) | |
405 | fun resetLocal () = !locals () | |
406 | ||
a3698041 | 407 | val current = ref "" |
e0b0abd2 | 408 | val currentPath = ref (fn (_ : string) => "") |
e0b80e65 | 409 | val currentPathAli = ref (fn (_ : string, _ : string) => "") |
dac62e84 | 410 | |
d612d62c AC |
411 | val scratch = ref "" |
412 | ||
dac62e84 AC |
413 | fun currentDomain () = !current |
414 | ||
e0b80e65 AC |
415 | val currentsAli = ref ([] : string list) |
416 | ||
417 | fun currentAliasDomains () = !currentsAli | |
418 | fun currentDomains () = currentDomain () :: currentAliasDomains () | |
419 | ||
e0b0abd2 AC |
420 | fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*) |
421 | TextIO.openOut (!currentPath node ^ name)) | |
dac62e84 | 422 | |
e0b80e65 AC |
423 | type files = {write : string -> unit, |
424 | writeDom : unit -> unit, | |
425 | close : unit -> unit} | |
426 | ||
427 | fun domainsFile {node, name} = | |
428 | let | |
429 | val doms = currentDomains () | |
430 | val files = map (fn dom => (dom, TextIO.openOut (!currentPathAli (dom, node) ^ name))) doms | |
431 | in | |
432 | {write = fn s => app (fn (_, outf) => TextIO.output (outf, s)) files, | |
433 | writeDom = fn () => app (fn (dom, outf) => TextIO.output (outf, dom)) files, | |
434 | close = fn () => app (fn (_, outf) => TextIO.closeOut outf) files} | |
435 | end | |
436 | ||
dac62e84 AC |
437 | fun getPath domain = |
438 | let | |
439 | val toks = String.fields (fn ch => ch = #".") domain | |
440 | ||
441 | val elems = foldr (fn (piece, elems) => | |
442 | let | |
443 | val elems = piece :: elems | |
d612d62c | 444 | |
e0b0abd2 AC |
445 | fun doNode node = |
446 | let | |
447 | val path = String.concatWith "/" | |
448 | (Config.resultRoot :: node :: rev elems) | |
449 | val tmpPath = String.concatWith "/" | |
450 | (Config.tmpDir :: node :: rev elems) | |
451 | in | |
452 | (if Posix.FileSys.ST.isDir | |
453 | (Posix.FileSys.stat path) then | |
454 | () | |
455 | else | |
456 | (OS.FileSys.remove path; | |
457 | OS.FileSys.mkDir path)) | |
458 | handle OS.SysErr _ => OS.FileSys.mkDir path; | |
459 | ||
460 | (if Posix.FileSys.ST.isDir | |
461 | (Posix.FileSys.stat tmpPath) then | |
462 | () | |
463 | else | |
464 | (OS.FileSys.remove tmpPath; | |
465 | OS.FileSys.mkDir tmpPath)) | |
466 | handle OS.SysErr _ => OS.FileSys.mkDir tmpPath | |
467 | end | |
468 | in | |
2ed6d0e5 | 469 | app doNode nodes; |
dac62e84 AC |
470 | elems |
471 | end) [] toks | |
472 | in | |
e0b0abd2 | 473 | fn (root, site) => String.concatWith "/" (root :: site :: rev ("" :: elems)) |
d612d62c AC |
474 | end |
475 | ||
476 | datatype file_action' = | |
477 | Add' of {src : string, dst : string} | |
478 | | Delete' of string | |
479 | | Modify' of {src : string, dst : string} | |
480 | ||
aaf70d45 | 481 | fun findDiffs (prefixes, site, dom, acts) = |
d612d62c | 482 | let |
e0b0abd2 AC |
483 | val gp = getPath dom |
484 | val realPath = gp (Config.resultRoot, site) | |
485 | val tmpPath = gp (Config.tmpDir, site) | |
486 | ||
487 | (*val _ = print ("getDiffs(" ^ site ^ ", " ^ dom ^ ")... " ^ realPath ^ "; " ^ tmpPath ^ "\n")*) | |
d612d62c AC |
488 | |
489 | val dir = Posix.FileSys.opendir realPath | |
490 | ||
491 | fun loopReal acts = | |
492 | case Posix.FileSys.readdir dir of | |
493 | NONE => (Posix.FileSys.closedir dir; | |
494 | acts) | |
495 | | SOME fname => | |
496 | let | |
497 | val real = OS.Path.joinDirFile {dir = realPath, | |
498 | file = fname} | |
499 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
500 | file = fname} | |
501 | in | |
502 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat real) then | |
503 | loopReal acts | |
504 | else if Posix.FileSys.access (tmp, []) then | |
8df2e702 | 505 | if Slave.shell [Config.diff, " ", real, " ", tmp] then |
d612d62c AC |
506 | loopReal acts |
507 | else | |
e0b0abd2 | 508 | loopReal ((site, dom, realPath, Modify' {src = tmp, dst = real}) :: acts) |
4f9c5b51 | 509 | else if List.exists (fn prefix => String.isPrefix prefix real) prefixes then |
e0b0abd2 | 510 | loopReal ((site, dom, realPath, Delete' real) :: acts) |
aaf70d45 AC |
511 | else |
512 | loopReal acts | |
d612d62c AC |
513 | end |
514 | ||
e0b0abd2 | 515 | val acts = loopReal acts |
d612d62c | 516 | |
8df2e702 | 517 | val dir = Posix.FileSys.opendir tmpPath |
d612d62c AC |
518 | |
519 | fun loopTmp acts = | |
520 | case Posix.FileSys.readdir dir of | |
521 | NONE => (Posix.FileSys.closedir dir; | |
522 | acts) | |
523 | | SOME fname => | |
524 | let | |
525 | val real = OS.Path.joinDirFile {dir = realPath, | |
526 | file = fname} | |
527 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
528 | file = fname} | |
529 | in | |
530 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat tmp) then | |
531 | loopTmp acts | |
532 | else if Posix.FileSys.access (real, []) then | |
533 | loopTmp acts | |
534 | else | |
e0b0abd2 | 535 | loopTmp ((site, dom, realPath, Add' {src = tmp, dst = real}) :: acts) |
d612d62c AC |
536 | end |
537 | ||
538 | val acts = loopTmp acts | |
539 | in | |
540 | acts | |
dac62e84 | 541 | end |
a3698041 | 542 | |
aaf70d45 | 543 | fun findAllDiffs prefixes = |
e0b0abd2 AC |
544 | let |
545 | val dir = Posix.FileSys.opendir Config.tmpDir | |
546 | val len = length (String.fields (fn ch => ch = #"/") Config.tmpDir) + 1 | |
547 | ||
548 | fun exploreSites diffs = | |
549 | case Posix.FileSys.readdir dir of | |
550 | NONE => diffs | |
551 | | SOME site => | |
552 | let | |
553 | fun explore (dname, diffs) = | |
554 | let | |
555 | val dir = Posix.FileSys.opendir dname | |
556 | ||
557 | fun loop diffs = | |
558 | case Posix.FileSys.readdir dir of | |
559 | NONE => diffs | |
560 | | SOME name => | |
561 | let | |
562 | val fname = OS.Path.joinDirFile {dir = dname, | |
563 | file = name} | |
564 | in | |
565 | loop (if Posix.FileSys.ST.isDir (Posix.FileSys.stat fname) then | |
566 | let | |
567 | val dom = String.fields (fn ch => ch = #"/") fname | |
568 | val dom = List.drop (dom, len) | |
569 | val dom = String.concatWith "." (rev dom) | |
570 | ||
571 | val dname' = OS.Path.joinDirFile {dir = dname, | |
572 | file = name} | |
573 | in | |
574 | explore (dname', | |
aaf70d45 | 575 | findDiffs (prefixes, site, dom, diffs)) |
e0b0abd2 AC |
576 | end |
577 | else | |
578 | diffs) | |
579 | end | |
580 | in | |
581 | loop diffs | |
582 | before Posix.FileSys.closedir dir | |
583 | end | |
584 | in | |
36e42cb8 AC |
585 | exploreSites (explore (OS.Path.joinDirFile {dir = Config.tmpDir, |
586 | file = site}, diffs)) | |
e0b0abd2 AC |
587 | end |
588 | in | |
589 | exploreSites [] | |
590 | before Posix.FileSys.closedir dir | |
591 | end | |
592 | ||
593 | val masterNode : string option ref = ref NONE | |
594 | fun dnsMaster () = !masterNode | |
595 | ||
aaf70d45 AC |
596 | val seenDomains : string list ref = ref [] |
597 | ||
6ae327f8 AC |
598 | val _ = Env.containerV_one "domain" |
599 | ("domain", Env.string) | |
600 | (fn (evs, dom) => | |
601 | let | |
aaf70d45 AC |
602 | val () = seenDomains := dom :: !seenDomains |
603 | ||
6ae327f8 AC |
604 | val kind = Env.env dnsKind (evs, "DNS") |
605 | val ttl = Env.env Env.int (evs, "TTL") | |
e0b80e65 | 606 | val aliases = Env.env (Env.list Env.string) (evs, "Aliases") |
6ae327f8 | 607 | |
e0b0abd2 | 608 | val path = getPath dom |
6ae327f8 AC |
609 | |
610 | val () = (current := dom; | |
e0b80e65 AC |
611 | currentsAli := Slave.remove (Slave.removeDups aliases, dom); |
612 | currentPath := (fn site => path (Config.tmpDir, site)); | |
613 | currentPathAli := (fn (dom, site) => getPath dom (Config.tmpDir, site))) | |
6ae327f8 | 614 | |
e0b0abd2 | 615 | fun saveSoa (kind, soa : soa) node = |
e2359100 | 616 | let |
3ae703b6 | 617 | val {write, writeDom, close} = domainsFile {node = node, name = "soa.conf"} |
e2359100 | 618 | in |
e0b80e65 AC |
619 | write kind; |
620 | write "\n"; | |
621 | write (Int.toString ttl); | |
622 | write "\n"; | |
623 | write (#ns soa); | |
624 | write "\n"; | |
e2359100 AC |
625 | case #serial soa of |
626 | NONE => () | |
e0b80e65 AC |
627 | | SOME n => write (Int.toString n); |
628 | write "\n"; | |
629 | write (Int.toString (#ref soa)); | |
630 | write "\n"; | |
631 | write (Int.toString (#ret soa)); | |
632 | write "\n"; | |
633 | write (Int.toString (#exp soa)); | |
634 | write "\n"; | |
635 | write (Int.toString (#min soa)); | |
636 | write "\n"; | |
637 | close () | |
e2359100 | 638 | end |
6ae327f8 | 639 | |
a431ca34 | 640 | fun saveNamed (kind, soa : soa, masterIp, slaveIps) node = |
b341fd6d AC |
641 | if dom = "localhost" then |
642 | () | |
643 | else let | |
e0b80e65 | 644 | val {write, writeDom, close} = domainsFile {node = node, name = "named.conf"} |
b341fd6d | 645 | in |
e0b80e65 AC |
646 | write "\nzone \""; |
647 | writeDom (); | |
a431ca34 | 648 | write "\" {\n\ttype "; |
e0b80e65 AC |
649 | write kind; |
650 | write ";\n\tfile \""; | |
651 | write Config.Bind.zonePath_real; | |
652 | write "/"; | |
653 | writeDom (); | |
654 | write ".zone\";\n"; | |
b341fd6d | 655 | case kind of |
a431ca34 AC |
656 | "master" => (write "\tallow-transfer {\n"; |
657 | app (fn ip => (write "\t\t"; | |
658 | write ip; | |
659 | write ";\n")) slaveIps; | |
660 | write "\t};\n") | |
e0b80e65 AC |
661 | | _ => (write "\tmasters { "; |
662 | write masterIp; | |
036cfc59 AC |
663 | write "; };\n"; |
664 | write "// Updated: "; | |
665 | write (Time.toString (Time.now ())); | |
666 | write "\n"); | |
e0b80e65 AC |
667 | write "};\n"; |
668 | close () | |
b341fd6d | 669 | end |
6ae327f8 AC |
670 | in |
671 | case kind of | |
e0b0abd2 AC |
672 | NoDns => masterNode := NONE |
673 | | UseDns dns => | |
2ed6d0e5 AC |
674 | let |
675 | val masterIp = | |
676 | case #master dns of | |
a431ca34 | 677 | InternalMaster node => nodeIp node |
2ed6d0e5 | 678 | | ExternalMaster ip => ip |
a431ca34 AC |
679 | |
680 | val slaveIps = map nodeIp (#slaves dns) | |
2ed6d0e5 AC |
681 | in |
682 | app (saveSoa ("slave", #soa dns)) (#slaves dns); | |
a431ca34 | 683 | app (saveNamed ("slave", #soa dns, masterIp, slaveIps)) (#slaves dns); |
2ed6d0e5 AC |
684 | case #master dns of |
685 | InternalMaster node => | |
686 | (masterNode := SOME node; | |
687 | saveSoa ("master", #soa dns) node; | |
a431ca34 | 688 | saveNamed ("master", #soa dns, masterIp, slaveIps) node) |
b25161c7 AC |
689 | | _ => masterNode := NONE |
690 | end; | |
691 | !befores dom | |
6ae327f8 | 692 | end, |
e0b0abd2 AC |
693 | fn () => !afters (!current)) |
694 | ||
aaf70d45 AC |
695 | val () = Env.registerPre (fn () => (seenDomains := []; |
696 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], | |
e0b0abd2 AC |
697 | fn cl => "Temp file cleanup failed: " ^ cl)); |
698 | OS.FileSys.mkDir Config.tmpDir; | |
699 | app (fn node => OS.FileSys.mkDir | |
700 | (OS.Path.joinDirFile {dir = Config.tmpDir, | |
701 | file = node})) | |
2ed6d0e5 | 702 | nodes; |
e0b0abd2 AC |
703 | app (fn node => OS.FileSys.mkDir |
704 | (OS.Path.joinDirFile {dir = Config.resultRoot, | |
705 | file = node}) | |
706 | handle OS.SysErr _ => ()) | |
2ed6d0e5 | 707 | nodes)) |
e0b0abd2 | 708 | |
c189cbe9 AC |
709 | fun handleSite (site, files) = |
710 | let | |
711 | ||
712 | in | |
713 | print ("New configuration for node " ^ site ^ "\n"); | |
714 | if site = Config.defaultNode then | |
715 | Slave.handleChanges files | |
716 | else let | |
8be753d9 AC |
717 | val bio = OpenSSL.connect true (valOf (!ssl_context), |
718 | nodeIp site | |
719 | ^ ":" | |
720 | ^ Int.toString Config.slavePort) | |
c189cbe9 AC |
721 | in |
722 | app (fn file => Msg.send (bio, MsgFile file)) files; | |
723 | Msg.send (bio, MsgDoFiles); | |
724 | case Msg.recv bio of | |
725 | NONE => print "Slave closed connection unexpectedly\n" | |
726 | | SOME m => | |
727 | case m of | |
728 | MsgOk => print ("Slave " ^ site ^ " finished\n") | |
729 | | MsgError s => print ("Slave " ^ site | |
730 | ^ " returned error: " ^ | |
731 | s ^ "\n") | |
732 | | _ => print ("Slave " ^ site | |
733 | ^ " returned unexpected command\n"); | |
734 | OpenSSL.close bio | |
735 | end | |
736 | end | |
737 | ||
e0b0abd2 AC |
738 | val () = Env.registerPost (fn () => |
739 | let | |
4f9c5b51 AC |
740 | val prefixes = List.concat |
741 | (List.map (fn dom => | |
742 | let | |
743 | val pieces = String.tokens (fn ch => ch = #".") dom | |
744 | val path = String.concatWith "/" (rev pieces) | |
745 | in | |
746 | List.map (fn node => | |
747 | Config.resultRoot ^ "/" ^ node ^ "/" ^ path ^ "/") | |
748 | nodes | |
749 | end) (!seenDomains)) | |
aaf70d45 AC |
750 | |
751 | val diffs = findAllDiffs prefixes | |
6ae327f8 | 752 | |
e0b0abd2 AC |
753 | val diffs = map (fn (site, dom, dir, Add' {src, dst}) => |
754 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
755 | fn cl => "Copy failed: " ^ cl); | |
756 | (site, | |
6ae327f8 AC |
757 | {action = Slave.Add, |
758 | domain = dom, | |
759 | dir = dir, | |
e0b0abd2 AC |
760 | file = dst})) |
761 | | (site, dom, dir, Delete' dst) => | |
762 | (OS.FileSys.remove dst | |
763 | handle OS.SysErr _ => | |
764 | ErrorMsg.error NONE ("Delete failed for " ^ dst); | |
765 | (site, | |
1638d5a2 | 766 | {action = Slave.Delete true, |
6ae327f8 AC |
767 | domain = dom, |
768 | dir = dir, | |
e0b0abd2 AC |
769 | file = dst})) |
770 | | (site, dom, dir, Modify' {src, dst}) => | |
771 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
772 | fn cl => "Copy failed: " ^ cl); | |
773 | (site, | |
6ae327f8 AC |
774 | {action = Slave.Modify, |
775 | domain = dom, | |
776 | dir = dir, | |
e0b0abd2 AC |
777 | file = dst}))) diffs |
778 | in | |
779 | if !ErrorMsg.anyErrors then | |
780 | () | |
36e42cb8 AC |
781 | else let |
782 | val changed = foldl (fn ((site, file), changed) => | |
783 | let | |
784 | val ls = case SM.find (changed, site) of | |
785 | NONE => [] | |
786 | | SOME ls => ls | |
787 | in | |
788 | SM.insert (changed, site, file :: ls) | |
789 | end) SM.empty diffs | |
36e42cb8 AC |
790 | in |
791 | SM.appi handleSite changed | |
792 | end; | |
e0b0abd2 | 793 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], |
559e89e9 | 794 | fn cl => "Temp file cleanup failed: " ^ cl)) |
e0b0abd2 | 795 | end) |
6ae327f8 | 796 | |
be1bea4c AC |
797 | fun hasPriv priv = Acl.query {user = getUser (), class = "priv", value = "all"} |
798 | orelse Acl.query {user = getUser (), class = "priv", value = priv} | |
799 | ||
800 | val _ = Env.type_one "dns_node" | |
801 | Env.string | |
802 | (fn node => | |
803 | List.exists (fn x => x = node) Config.dnsNodes_all | |
804 | orelse (hasPriv "dns" | |
805 | andalso List.exists (fn x => x = node) Config.dnsNodes_admin)) | |
60695e99 | 806 | |
bbdf617f AC |
807 | val _ = Env.type_one "mail_node" |
808 | Env.string | |
809 | (fn node => | |
810 | List.exists (fn x => x = node) Config.mailNodes_all | |
811 | orelse (hasPriv "mail" | |
812 | andalso List.exists (fn x => x = node) Config.mailNodes_admin)) | |
813 | ||
1638d5a2 | 814 | fun rmdom' delete resultRoot doms = |
c189cbe9 | 815 | let |
c189cbe9 AC |
816 | fun doNode (node, _) = |
817 | let | |
1638d5a2 | 818 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
c189cbe9 | 819 | file = node} |
c189cbe9 | 820 | |
e69e60cc | 821 | fun doDom (dom, actions) = |
93c2f623 | 822 | let |
e69e60cc AC |
823 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) |
824 | val dname = OS.Path.concat (dname, domPath) | |
825 | ||
826 | fun visitDom (dom, dname, actions) = | |
827 | let | |
828 | val dir = Posix.FileSys.opendir dname | |
829 | ||
830 | fun loop actions = | |
831 | case Posix.FileSys.readdir dir of | |
832 | NONE => actions | |
833 | | SOME fname => | |
834 | let | |
835 | val fnameFull = OS.Path.joinDirFile {dir = dname, | |
836 | file = fname} | |
837 | in | |
838 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat fnameFull) then | |
839 | loop (visitDom (fname ^ "." ^ dom, | |
840 | fnameFull, | |
841 | actions)) | |
1638d5a2 | 842 | else |
1638d5a2 AC |
843 | loop ({action = Slave.Delete delete, |
844 | domain = dom, | |
845 | dir = dname, | |
b200e996 | 846 | file = fnameFull} :: actions) |
e69e60cc AC |
847 | end |
848 | in | |
849 | loop actions | |
850 | before Posix.FileSys.closedir dir | |
851 | end | |
1638d5a2 AC |
852 | handle OS.SysErr (s, _) => |
853 | (print ("Warning: System error deleting domain " ^ dom ^ " on " ^ node ^ ": " ^ s ^ "\n"); | |
e69e60cc | 854 | actions) |
93c2f623 | 855 | in |
e69e60cc | 856 | visitDom (dom, dname, actions) |
93c2f623 AC |
857 | end |
858 | ||
e69e60cc | 859 | val actions = foldl doDom [] doms |
c189cbe9 | 860 | in |
c189cbe9 AC |
861 | handleSite (node, actions) |
862 | end | |
e69e60cc | 863 | handle IO.Io _ => print ("Warning: IO error deleting domains on " ^ node ^ ".\n") |
c189cbe9 AC |
864 | |
865 | fun cleanupNode (node, _) = | |
866 | let | |
e69e60cc AC |
867 | fun doDom dom = |
868 | let | |
869 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) | |
1638d5a2 | 870 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
e69e60cc AC |
871 | file = node} |
872 | val dname = OS.Path.concat (dname, domPath) | |
873 | in | |
1638d5a2 AC |
874 | if delete then |
875 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ dname)) | |
876 | else | |
877 | () | |
e69e60cc | 878 | end |
c189cbe9 | 879 | in |
e69e60cc | 880 | app doDom doms |
c189cbe9 AC |
881 | end |
882 | in | |
883 | app doNode Config.nodeIps; | |
884 | app cleanupNode Config.nodeIps | |
885 | end | |
886 | ||
1638d5a2 AC |
887 | val rmdom = rmdom' true Config.resultRoot |
888 | val rmdom' = rmdom' false | |
889 | ||
0da1c677 AC |
890 | fun homedirOf uname = |
891 | Posix.SysDB.Passwd.home (Posix.SysDB.getpwnam uname) | |
892 | ||
893 | fun homedir () = homedirOf (getUser ()) | |
894 | ||
314ce7bd AC |
895 | type subject = {node : string, domain : string} |
896 | ||
897 | val describers : (subject -> string) list ref = ref [] | |
898 | ||
899 | fun registerDescriber f = describers := f :: !describers | |
900 | ||
41c58daf | 901 | fun describeOne arg = String.concat (map (fn f => f arg) (rev (!describers))) |
314ce7bd | 902 | |
d300166d AC |
903 | val line = "--------------------------------------------------------------\n" |
904 | val dline = "==============================================================\n" | |
314ce7bd AC |
905 | |
906 | fun describe dom = | |
907 | String.concat (List.mapPartial | |
908 | (fn node => | |
909 | case describeOne {node = node, domain = dom} of | |
910 | "" => NONE | |
911 | | s => | |
912 | SOME (String.concat [dline, "Node ", node, "\n", dline, "\n", s])) | |
913 | nodes) | |
914 | ||
915 | datatype description = | |
41c58daf | 916 | Filename of { filename : string, heading : string, showEmpty : bool } |
314ce7bd AC |
917 | | Extension of { extension : string, heading : string -> string } |
918 | ||
919 | fun considerAll ds {node, domain} = | |
920 | let | |
921 | val ds = map (fn d => (d, ref [])) ds | |
922 | ||
923 | val path = Config.resultRoot | |
924 | val jdf = OS.Path.joinDirFile | |
925 | val path = jdf {dir = path, file = node} | |
926 | val path = foldr (fn (more, path) => jdf {dir = path, file = more}) | |
927 | path (String.tokens (fn ch => ch = #".") domain) | |
928 | in | |
929 | if Posix.FileSys.access (path, []) then | |
930 | let | |
931 | val dir = Posix.FileSys.opendir path | |
932 | ||
933 | fun loop () = | |
934 | case Posix.FileSys.readdir dir of | |
935 | NONE => () | |
936 | | SOME fname => | |
41c58daf AC |
937 | (app (fn (d, entries) => |
938 | let | |
939 | fun readFile showEmpty entries' = | |
940 | let | |
941 | val fname = OS.Path.joinDirFile {dir = path, | |
942 | file = fname} | |
943 | ||
944 | val inf = TextIO.openIn fname | |
945 | ||
946 | fun loop (seenOne, entries') = | |
947 | case TextIO.inputLine inf of | |
948 | NONE => if seenOne orelse showEmpty then | |
949 | "\n" :: entries' | |
950 | else | |
951 | !entries | |
952 | | SOME line => loop (true, line :: entries') | |
953 | in | |
954 | loop (false, entries') | |
955 | before TextIO.closeIn inf | |
956 | end | |
957 | in | |
958 | case d of | |
959 | Filename {filename, heading, showEmpty} => | |
960 | if fname = filename then | |
d936cf4d | 961 | entries := readFile showEmpty ("\n" :: line :: "\n" :: heading :: line :: !entries) |
41c58daf AC |
962 | else |
963 | () | |
964 | | Extension {extension, heading} => | |
965 | let | |
966 | val {base, ext} = OS.Path.splitBaseExt fname | |
967 | in | |
968 | case ext of | |
969 | NONE => () | |
970 | | SOME extension' => | |
971 | if extension' = extension then | |
d936cf4d | 972 | entries := readFile true ("\n" :: line :: "\n" :: heading base :: line :: !entries) |
41c58daf AC |
973 | else |
974 | () | |
975 | end | |
976 | end) ds; | |
977 | loop ()) | |
314ce7bd AC |
978 | in |
979 | loop (); | |
980 | Posix.FileSys.closedir dir; | |
981 | String.concat (List.concat (map (fn (_, entries) => rev (!entries)) ds)) | |
982 | end | |
983 | else | |
984 | "" | |
985 | end | |
986 | ||
3ae703b6 | 987 | val () = registerDescriber (considerAll [Filename {filename = "soa.conf", |
d936cf4d | 988 | heading = "DNS SOA:", |
41c58daf | 989 | showEmpty = false}]) |
314ce7bd | 990 | |
e9f528ab AC |
991 | val () = Env.registerAction ("domainHost", |
992 | fn (env, [(EString host, _)]) => | |
993 | SM.insert (env, "Hostname", | |
994 | (EString (host ^ "." ^ currentDomain ()), dl)) | |
995 | | (_, args) => Env.badArgs ("domainHost", args)) | |
996 | ||
563e7792 AC |
997 | val ouc = ref (fn () => ()) |
998 | ||
999 | fun registerOnUsersChange f = | |
1000 | let | |
1001 | val f' = !ouc | |
1002 | in | |
1003 | ouc := (fn () => (f' (); f ())) | |
1004 | end | |
1005 | ||
1006 | fun onUsersChange () = !ouc () | |
1007 | ||
a3698041 | 1008 | end |