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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"}; | |
8dccfcbc CE |
73 | your_grps := SS.add (Acl.class {user = getUser (), |
74 | class = "group"}, | |
75 | "nogroup"); | |
998ed174 | 76 | your_pths := your_paths; |
26c7d224 AC |
77 | readable_pths := SS.union (your_paths, world_readable); |
78 | your_ipss := Acl.class {user = getUser (), | |
79 | class = "ip"} | |
998ed174 | 80 | end |
aa56e112 | 81 | |
04502362 AC |
82 | fun declareClient () = isClient := true |
83 | fun fakePrivileges () = if !isClient then | |
84 | fakePrivs := true | |
85 | else | |
86 | raise Fail "Tried to fake privileges as non-client" | |
87 | ||
6ae327f8 AC |
88 | fun validIp s = |
89 | case map Int.fromString (String.fields (fn ch => ch = #".") s) of | |
90 | [SOME n1, SOME n2, SOME n3, SOME n4] => | |
91 | n1 >= 0 andalso n1 < 256 andalso n2 >= 0 andalso n2 < 256 andalso n3 >= 0 andalso n3 < 256 andalso n4 >= 0 andalso n4 < 256 | |
92 | | _ => false | |
93 | ||
090692f7 AC |
94 | fun isHexDigit ch = Char.isDigit ch orelse (ord ch >= ord #"a" andalso ord ch <= ord #"f") |
95 | ||
96 | fun validIpv6 s = | |
97 | let | |
98 | val fields = String.fields (fn ch => ch = #":") s | |
99 | ||
100 | val empties = foldl (fn ("", n) => n + 1 | |
101 | | (_, n) => n) 0 fields | |
102 | ||
103 | fun noIpv4 maxLen = | |
104 | length fields >= 2 | |
105 | andalso length fields <= maxLen | |
106 | andalso empties <= 1 | |
107 | andalso List.all (fn "" => true | |
108 | | s => size s <= 4 | |
109 | andalso CharVector.all isHexDigit s) fields | |
110 | ||
111 | fun hasIpv4 () = | |
112 | length fields > 0 | |
113 | andalso | |
114 | let | |
115 | val maybeIpv4 = List.last fields | |
116 | val theRest = List.take (fields, length fields - 1) | |
117 | in | |
118 | validIp maybeIpv4 andalso noIpv4 6 | |
119 | end | |
120 | in | |
121 | noIpv4 8 orelse hasIpv4 () | |
122 | end | |
123 | ||
629a34f6 AC |
124 | fun isIdent ch = Char.isLower ch orelse Char.isDigit ch |
125 | ||
126 | fun validHost s = | |
16c5174b | 127 | size s > 0 andalso size s < 50 |
629a34f6 AC |
128 | andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s |
129 | ||
130 | fun validDomain s = | |
16c5174b | 131 | size s > 0 andalso size s < 200 |
629a34f6 AC |
132 | andalso List.all validHost (String.fields (fn ch => ch = #".") s) |
133 | ||
2ed6d0e5 | 134 | fun validNode s = List.exists (fn s' => s = s') nodes |
e0b0abd2 | 135 | |
04502362 | 136 | fun yourDomain s = !fakePrivs orelse SS.member (your_domains (), s) |
fdc43c6c AC |
137 | fun yourUser s = SS.member (your_users (), s) |
138 | fun yourGroup s = SS.member (your_groups (), s) | |
998ed174 | 139 | fun checkPath paths path = |
04502362 AC |
140 | (List.all (fn s => s <> "..") (String.fields (fn ch => ch = #"/") path) |
141 | andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"/" | |
142 | orelse ch = #"-" orelse ch = #"_") path | |
143 | andalso SS.exists (fn s' => path = s' orelse String.isPrefix (s' ^ "/") path) (paths ())) | |
998ed174 AC |
144 | val yourPath = checkPath your_paths |
145 | val readablePath = checkPath readable_paths | |
04502362 | 146 | fun yourIp s = !fakePrivs orelse SS.member (your_ips (), s) |
12adf55a | 147 | |
edd38024 | 148 | fun yourDomainHost s = |
04502362 AC |
149 | !fakePrivs |
150 | orelse yourDomain s | |
c98b57cf | 151 | orelse let |
edd38024 AC |
152 | val (pref, suf) = Substring.splitl (fn ch => ch <> #".") (Substring.full s) |
153 | in | |
edd38024 AC |
154 | Substring.size suf > 0 |
155 | andalso validHost (Substring.string pref) | |
156 | andalso yourDomain (Substring.string | |
c98b57cf | 157 | (Substring.slice (suf, 1, NONE))) |
edd38024 AC |
158 | end |
159 | ||
93c2f623 AC |
160 | val yourDomain = yourDomainHost |
161 | ||
2aeb9eec AC |
162 | fun validUser s = size s > 0 andalso size s < 20 |
163 | andalso CharVector.all Char.isAlphaNum s | |
164 | ||
2e96b9d4 AC |
165 | fun validEmailUser s = |
166 | size s > 0 andalso size s < 50 | |
167 | andalso CharVector.all (fn ch => Char.isAlphaNum ch | |
168 | orelse ch = #"." | |
169 | orelse ch = #"_" | |
170 | orelse ch = #"-" | |
171 | orelse ch = #"+") s | |
172 | ||
2aeb9eec AC |
173 | val validGroup = validUser |
174 | ||
f8dfbbcc AC |
175 | val _ = Env.type_one "no_spaces" |
176 | Env.string | |
ca6ffb3f AC |
177 | (CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch) |
178 | andalso ch <> #"\"" andalso ch <> #"'")) | |
d5754b53 AC |
179 | val _ = Env.type_one "no_newlines" |
180 | Env.string | |
ca6ffb3f | 181 | (CharVector.all (fn ch => Char.isPrint ch andalso ch <> #"\n" andalso ch <> #"\r" |
5e3ad5d2 | 182 | andalso ch <> #"\"")) |
f8dfbbcc | 183 | |
6ae327f8 AC |
184 | val _ = Env.type_one "ip" |
185 | Env.string | |
186 | validIp | |
187 | ||
090692f7 AC |
188 | val _ = Env.type_one "ipv6" |
189 | Env.string | |
190 | validIpv6 | |
191 | ||
629a34f6 AC |
192 | val _ = Env.type_one "host" |
193 | Env.string | |
194 | validHost | |
195 | ||
196 | val _ = Env.type_one "domain" | |
197 | Env.string | |
198 | validDomain | |
199 | ||
12adf55a AC |
200 | val _ = Env.type_one "your_domain" |
201 | Env.string | |
202 | yourDomain | |
203 | ||
edd38024 AC |
204 | val _ = Env.type_one "your_domain_host" |
205 | Env.string | |
206 | yourDomainHost | |
207 | ||
2aeb9eec AC |
208 | val _ = Env.type_one "user" |
209 | Env.string | |
210 | validUser | |
211 | ||
212 | val _ = Env.type_one "group" | |
213 | Env.string | |
214 | validGroup | |
215 | ||
8a7c40fa AC |
216 | val _ = Env.type_one "your_user" |
217 | Env.string | |
218 | yourUser | |
219 | ||
220 | val _ = Env.type_one "your_group" | |
221 | Env.string | |
222 | yourGroup | |
223 | ||
224 | val _ = Env.type_one "your_path" | |
225 | Env.string | |
226 | yourPath | |
227 | ||
998ed174 AC |
228 | val _ = Env.type_one "readable_path" |
229 | Env.string | |
230 | readablePath | |
231 | ||
26c7d224 AC |
232 | val _ = Env.type_one "your_ip" |
233 | Env.string | |
234 | yourIp | |
235 | ||
e0b0abd2 AC |
236 | val _ = Env.type_one "node" |
237 | Env.string | |
238 | validNode | |
239 | ||
fb09779a AC |
240 | val _ = Env.type_one "mime_type" |
241 | Env.string | |
242 | (CharVector.exists (fn ch => ch = #"/")) | |
243 | ||
2e87719c AC |
244 | val _ = Env.registerFunction ("your_ip_to_ip", |
245 | fn [e] => SOME e | |
246 | | _ => NONE) | |
247 | ||
bbdf617f AC |
248 | val _ = Env.registerFunction ("dns_node_to_node", |
249 | fn [e] => SOME e | |
250 | | _ => NONE) | |
251 | ||
252 | val _ = Env.registerFunction ("mail_node_to_node", | |
be1bea4c AC |
253 | fn [e] => SOME e |
254 | | _ => NONE) | |
b0963032 AC |
255 | |
256 | ||
a3698041 AC |
257 | open Ast |
258 | ||
6ae327f8 AC |
259 | val dl = ErrorMsg.dummyLoc |
260 | ||
b0963032 AC |
261 | val _ = Env.registerFunction ("end_in_slash", |
262 | fn [(EString "", _)] => SOME (EString "/", dl) | |
263 | | [(EString s, _)] => | |
264 | SOME (EString (if String.sub (s, size s - 1) = #"/" then | |
265 | s | |
266 | else | |
267 | s ^ "/"), dl) | |
268 | | _ => NONE) | |
269 | ||
270 | ||
d08b9cf2 CE |
271 | val _ = Env.registerFunction ("you", |
272 | fn [] => SOME (EString (getUser ()), dl) | |
273 | | _ => NONE) | |
274 | ||
275 | val _ = Env.registerFunction ("defaultMailbox", | |
276 | fn [] => SOME (EString (getUser ()), dl) | |
277 | | _ => NONE) | |
278 | ||
6ae327f8 AC |
279 | |
280 | type soa = {ns : string, | |
281 | serial : int option, | |
282 | ref : int, | |
283 | ret : int, | |
284 | exp : int, | |
285 | min : int} | |
286 | ||
287 | val serial = fn (EVar "serialAuto", _) => SOME NONE | |
288 | | (EApp ((EVar "serialConst", _), n), _) => Option.map SOME (Env.int n) | |
289 | | _ => NONE | |
290 | ||
291 | val soa = fn (EApp ((EApp ((EApp ((EApp ((EApp ((EApp | |
292 | ((EVar "soa", _), ns), _), | |
293 | sl), _), | |
294 | rf), _), | |
295 | ret), _), | |
296 | exp), _), | |
297 | min), _) => | |
298 | (case (Env.string ns, serial sl, Env.int rf, | |
299 | Env.int ret, Env.int exp, Env.int min) of | |
300 | (SOME ns, SOME sl, SOME rf, | |
301 | SOME ret, SOME exp, SOME min) => | |
302 | SOME {ns = ns, | |
303 | serial = sl, | |
304 | ref = rf, | |
305 | ret = ret, | |
306 | exp = exp, | |
307 | min = min} | |
308 | | _ => NONE) | |
309 | | _ => NONE | |
310 | ||
e0b0abd2 AC |
311 | datatype master = |
312 | ExternalMaster of string | |
313 | | InternalMaster of string | |
314 | ||
cf879b4f AC |
315 | val ip = Env.string |
316 | ||
317 | val _ = Env.registerFunction ("ip_of_node", | |
318 | fn [(EString node, _)] => SOME (EString (nodeIp node), dl) | |
319 | | _ => NONE) | |
97665758 AC |
320 | |
321 | val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e) | |
8b84db5b | 322 | | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e) |
e0b0abd2 AC |
323 | | _ => NONE |
324 | ||
6ae327f8 | 325 | datatype dnsKind = |
e0b0abd2 AC |
326 | UseDns of {soa : soa, |
327 | master : master, | |
328 | slaves : string list} | |
6ae327f8 AC |
329 | | NoDns |
330 | ||
e0b0abd2 AC |
331 | val dnsKind = fn (EApp ((EApp ((EApp |
332 | ((EVar "useDns", _), sa), _), | |
333 | mstr), _), | |
334 | slaves), _) => | |
335 | (case (soa sa, master mstr, Env.list Env.string slaves) of | |
336 | (SOME sa, SOME mstr, SOME slaves) => | |
337 | SOME (UseDns {soa = sa, | |
338 | master = mstr, | |
339 | slaves = slaves}) | |
340 | | _ => NONE) | |
325285ab | 341 | | (EVar "noDns", _) => SOME NoDns |
6ae327f8 AC |
342 | | _ => NONE |
343 | ||
a3698041 AC |
344 | val befores = ref (fn (_ : string) => ()) |
345 | val afters = ref (fn (_ : string) => ()) | |
346 | ||
347 | fun registerBefore f = | |
348 | let | |
349 | val old = !befores | |
350 | in | |
351 | befores := (fn x => (old x; f x)) | |
352 | end | |
353 | ||
354 | fun registerAfter f = | |
355 | let | |
356 | val old = !afters | |
357 | in | |
358 | afters := (fn x => (old x; f x)) | |
359 | end | |
360 | ||
71420f8b AC |
361 | val globals = ref (fn () => ()) |
362 | val locals = ref (fn () => ()) | |
363 | ||
364 | fun registerResetGlobal f = | |
365 | let | |
366 | val old = !globals | |
367 | in | |
368 | globals := (fn x => (old x; f x)) | |
369 | end | |
370 | ||
371 | fun registerResetLocal f = | |
372 | let | |
373 | val old = !locals | |
374 | in | |
375 | locals := (fn x => (old x; f x)) | |
376 | end | |
377 | ||
378 | fun resetGlobal () = (!globals (); | |
379 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.resultRoot ^ "/*"))) | |
380 | fun resetLocal () = !locals () | |
381 | ||
a3698041 | 382 | val current = ref "" |
e0b0abd2 | 383 | val currentPath = ref (fn (_ : string) => "") |
e0b80e65 | 384 | val currentPathAli = ref (fn (_ : string, _ : string) => "") |
dac62e84 | 385 | |
d612d62c AC |
386 | val scratch = ref "" |
387 | ||
dac62e84 AC |
388 | fun currentDomain () = !current |
389 | ||
e0b80e65 AC |
390 | val currentsAli = ref ([] : string list) |
391 | ||
392 | fun currentAliasDomains () = !currentsAli | |
393 | fun currentDomains () = currentDomain () :: currentAliasDomains () | |
394 | ||
e0b0abd2 AC |
395 | fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*) |
396 | TextIO.openOut (!currentPath node ^ name)) | |
dac62e84 | 397 | |
e0b80e65 AC |
398 | type files = {write : string -> unit, |
399 | writeDom : unit -> unit, | |
400 | close : unit -> unit} | |
401 | ||
402 | fun domainsFile {node, name} = | |
403 | let | |
404 | val doms = currentDomains () | |
405 | val files = map (fn dom => (dom, TextIO.openOut (!currentPathAli (dom, node) ^ name))) doms | |
406 | in | |
407 | {write = fn s => app (fn (_, outf) => TextIO.output (outf, s)) files, | |
408 | writeDom = fn () => app (fn (dom, outf) => TextIO.output (outf, dom)) files, | |
409 | close = fn () => app (fn (_, outf) => TextIO.closeOut outf) files} | |
410 | end | |
411 | ||
dac62e84 AC |
412 | fun getPath domain = |
413 | let | |
414 | val toks = String.fields (fn ch => ch = #".") domain | |
415 | ||
416 | val elems = foldr (fn (piece, elems) => | |
417 | let | |
418 | val elems = piece :: elems | |
d612d62c | 419 | |
e0b0abd2 AC |
420 | fun doNode node = |
421 | let | |
422 | val path = String.concatWith "/" | |
423 | (Config.resultRoot :: node :: rev elems) | |
424 | val tmpPath = String.concatWith "/" | |
425 | (Config.tmpDir :: node :: rev elems) | |
426 | in | |
427 | (if Posix.FileSys.ST.isDir | |
428 | (Posix.FileSys.stat path) then | |
429 | () | |
430 | else | |
431 | (OS.FileSys.remove path; | |
432 | OS.FileSys.mkDir path)) | |
433 | handle OS.SysErr _ => OS.FileSys.mkDir path; | |
434 | ||
435 | (if Posix.FileSys.ST.isDir | |
436 | (Posix.FileSys.stat tmpPath) then | |
437 | () | |
438 | else | |
439 | (OS.FileSys.remove tmpPath; | |
440 | OS.FileSys.mkDir tmpPath)) | |
441 | handle OS.SysErr _ => OS.FileSys.mkDir tmpPath | |
442 | end | |
443 | in | |
2ed6d0e5 | 444 | app doNode nodes; |
dac62e84 AC |
445 | elems |
446 | end) [] toks | |
447 | in | |
e0b0abd2 | 448 | fn (root, site) => String.concatWith "/" (root :: site :: rev ("" :: elems)) |
d612d62c AC |
449 | end |
450 | ||
451 | datatype file_action' = | |
452 | Add' of {src : string, dst : string} | |
453 | | Delete' of string | |
454 | | Modify' of {src : string, dst : string} | |
455 | ||
aaf70d45 | 456 | fun findDiffs (prefixes, site, dom, acts) = |
d612d62c | 457 | let |
e0b0abd2 AC |
458 | val gp = getPath dom |
459 | val realPath = gp (Config.resultRoot, site) | |
460 | val tmpPath = gp (Config.tmpDir, site) | |
461 | ||
462 | (*val _ = print ("getDiffs(" ^ site ^ ", " ^ dom ^ ")... " ^ realPath ^ "; " ^ tmpPath ^ "\n")*) | |
d612d62c AC |
463 | |
464 | val dir = Posix.FileSys.opendir realPath | |
465 | ||
466 | fun loopReal acts = | |
467 | case Posix.FileSys.readdir dir of | |
468 | NONE => (Posix.FileSys.closedir dir; | |
469 | acts) | |
470 | | SOME fname => | |
471 | let | |
472 | val real = OS.Path.joinDirFile {dir = realPath, | |
473 | file = fname} | |
474 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
475 | file = fname} | |
476 | in | |
477 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat real) then | |
478 | loopReal acts | |
479 | else if Posix.FileSys.access (tmp, []) then | |
8df2e702 | 480 | if Slave.shell [Config.diff, " ", real, " ", tmp] then |
d612d62c AC |
481 | loopReal acts |
482 | else | |
e0b0abd2 | 483 | loopReal ((site, dom, realPath, Modify' {src = tmp, dst = real}) :: acts) |
4f9c5b51 | 484 | else if List.exists (fn prefix => String.isPrefix prefix real) prefixes then |
e0b0abd2 | 485 | loopReal ((site, dom, realPath, Delete' real) :: acts) |
aaf70d45 AC |
486 | else |
487 | loopReal acts | |
d612d62c AC |
488 | end |
489 | ||
e0b0abd2 | 490 | val acts = loopReal acts |
d612d62c | 491 | |
8df2e702 | 492 | val dir = Posix.FileSys.opendir tmpPath |
d612d62c AC |
493 | |
494 | fun loopTmp acts = | |
495 | case Posix.FileSys.readdir dir of | |
496 | NONE => (Posix.FileSys.closedir dir; | |
497 | acts) | |
498 | | SOME fname => | |
499 | let | |
500 | val real = OS.Path.joinDirFile {dir = realPath, | |
501 | file = fname} | |
502 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
503 | file = fname} | |
504 | in | |
505 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat tmp) then | |
506 | loopTmp acts | |
507 | else if Posix.FileSys.access (real, []) then | |
508 | loopTmp acts | |
509 | else | |
e0b0abd2 | 510 | loopTmp ((site, dom, realPath, Add' {src = tmp, dst = real}) :: acts) |
d612d62c AC |
511 | end |
512 | ||
513 | val acts = loopTmp acts | |
514 | in | |
515 | acts | |
dac62e84 | 516 | end |
a3698041 | 517 | |
aaf70d45 | 518 | fun findAllDiffs prefixes = |
e0b0abd2 AC |
519 | let |
520 | val dir = Posix.FileSys.opendir Config.tmpDir | |
521 | val len = length (String.fields (fn ch => ch = #"/") Config.tmpDir) + 1 | |
522 | ||
523 | fun exploreSites diffs = | |
524 | case Posix.FileSys.readdir dir of | |
525 | NONE => diffs | |
526 | | SOME site => | |
527 | let | |
528 | fun explore (dname, diffs) = | |
529 | let | |
530 | val dir = Posix.FileSys.opendir dname | |
531 | ||
532 | fun loop diffs = | |
533 | case Posix.FileSys.readdir dir of | |
534 | NONE => diffs | |
535 | | SOME name => | |
536 | let | |
537 | val fname = OS.Path.joinDirFile {dir = dname, | |
538 | file = name} | |
539 | in | |
540 | loop (if Posix.FileSys.ST.isDir (Posix.FileSys.stat fname) then | |
541 | let | |
542 | val dom = String.fields (fn ch => ch = #"/") fname | |
543 | val dom = List.drop (dom, len) | |
544 | val dom = String.concatWith "." (rev dom) | |
545 | ||
546 | val dname' = OS.Path.joinDirFile {dir = dname, | |
547 | file = name} | |
548 | in | |
549 | explore (dname', | |
aaf70d45 | 550 | findDiffs (prefixes, site, dom, diffs)) |
e0b0abd2 AC |
551 | end |
552 | else | |
553 | diffs) | |
554 | end | |
555 | in | |
556 | loop diffs | |
557 | before Posix.FileSys.closedir dir | |
558 | end | |
559 | in | |
36e42cb8 AC |
560 | exploreSites (explore (OS.Path.joinDirFile {dir = Config.tmpDir, |
561 | file = site}, diffs)) | |
e0b0abd2 AC |
562 | end |
563 | in | |
564 | exploreSites [] | |
565 | before Posix.FileSys.closedir dir | |
566 | end | |
567 | ||
568 | val masterNode : string option ref = ref NONE | |
569 | fun dnsMaster () = !masterNode | |
570 | ||
aaf70d45 AC |
571 | val seenDomains : string list ref = ref [] |
572 | ||
6ae327f8 AC |
573 | val _ = Env.containerV_one "domain" |
574 | ("domain", Env.string) | |
575 | (fn (evs, dom) => | |
576 | let | |
aaf70d45 AC |
577 | val () = seenDomains := dom :: !seenDomains |
578 | ||
6ae327f8 AC |
579 | val kind = Env.env dnsKind (evs, "DNS") |
580 | val ttl = Env.env Env.int (evs, "TTL") | |
e0b80e65 | 581 | val aliases = Env.env (Env.list Env.string) (evs, "Aliases") |
6ae327f8 | 582 | |
e0b0abd2 | 583 | val path = getPath dom |
6ae327f8 AC |
584 | |
585 | val () = (current := dom; | |
e0b80e65 AC |
586 | currentsAli := Slave.remove (Slave.removeDups aliases, dom); |
587 | currentPath := (fn site => path (Config.tmpDir, site)); | |
588 | currentPathAli := (fn (dom, site) => getPath dom (Config.tmpDir, site))) | |
6ae327f8 | 589 | |
e0b0abd2 | 590 | fun saveSoa (kind, soa : soa) node = |
e2359100 | 591 | let |
3ae703b6 | 592 | val {write, writeDom, close} = domainsFile {node = node, name = "soa.conf"} |
e2359100 | 593 | in |
e0b80e65 AC |
594 | write kind; |
595 | write "\n"; | |
596 | write (Int.toString ttl); | |
597 | write "\n"; | |
598 | write (#ns soa); | |
599 | write "\n"; | |
e2359100 AC |
600 | case #serial soa of |
601 | NONE => () | |
e0b80e65 AC |
602 | | SOME n => write (Int.toString n); |
603 | write "\n"; | |
604 | write (Int.toString (#ref soa)); | |
605 | write "\n"; | |
606 | write (Int.toString (#ret soa)); | |
607 | write "\n"; | |
608 | write (Int.toString (#exp soa)); | |
609 | write "\n"; | |
610 | write (Int.toString (#min soa)); | |
611 | write "\n"; | |
612 | close () | |
e2359100 | 613 | end |
6ae327f8 | 614 | |
a431ca34 | 615 | fun saveNamed (kind, soa : soa, masterIp, slaveIps) node = |
b341fd6d AC |
616 | if dom = "localhost" then |
617 | () | |
618 | else let | |
e0b80e65 | 619 | val {write, writeDom, close} = domainsFile {node = node, name = "named.conf"} |
b341fd6d | 620 | in |
e0b80e65 AC |
621 | write "\nzone \""; |
622 | writeDom (); | |
a431ca34 | 623 | write "\" {\n\ttype "; |
e0b80e65 AC |
624 | write kind; |
625 | write ";\n\tfile \""; | |
626 | write Config.Bind.zonePath_real; | |
627 | write "/"; | |
628 | writeDom (); | |
629 | write ".zone\";\n"; | |
b341fd6d | 630 | case kind of |
a431ca34 AC |
631 | "master" => (write "\tallow-transfer {\n"; |
632 | app (fn ip => (write "\t\t"; | |
633 | write ip; | |
634 | write ";\n")) slaveIps; | |
635 | write "\t};\n") | |
e0b80e65 AC |
636 | | _ => (write "\tmasters { "; |
637 | write masterIp; | |
036cfc59 AC |
638 | write "; };\n"; |
639 | write "// Updated: "; | |
640 | write (Time.toString (Time.now ())); | |
641 | write "\n"); | |
e0b80e65 AC |
642 | write "};\n"; |
643 | close () | |
b341fd6d | 644 | end |
6ae327f8 AC |
645 | in |
646 | case kind of | |
e0b0abd2 AC |
647 | NoDns => masterNode := NONE |
648 | | UseDns dns => | |
2ed6d0e5 AC |
649 | let |
650 | val masterIp = | |
651 | case #master dns of | |
a431ca34 | 652 | InternalMaster node => nodeIp node |
2ed6d0e5 | 653 | | ExternalMaster ip => ip |
a431ca34 AC |
654 | |
655 | val slaveIps = map nodeIp (#slaves dns) | |
2ed6d0e5 AC |
656 | in |
657 | app (saveSoa ("slave", #soa dns)) (#slaves dns); | |
a431ca34 | 658 | app (saveNamed ("slave", #soa dns, masterIp, slaveIps)) (#slaves dns); |
2ed6d0e5 AC |
659 | case #master dns of |
660 | InternalMaster node => | |
661 | (masterNode := SOME node; | |
662 | saveSoa ("master", #soa dns) node; | |
a431ca34 | 663 | saveNamed ("master", #soa dns, masterIp, slaveIps) node) |
b25161c7 AC |
664 | | _ => masterNode := NONE |
665 | end; | |
666 | !befores dom | |
6ae327f8 | 667 | end, |
e0b0abd2 AC |
668 | fn () => !afters (!current)) |
669 | ||
aaf70d45 AC |
670 | val () = Env.registerPre (fn () => (seenDomains := []; |
671 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], | |
e0b0abd2 AC |
672 | fn cl => "Temp file cleanup failed: " ^ cl)); |
673 | OS.FileSys.mkDir Config.tmpDir; | |
674 | app (fn node => OS.FileSys.mkDir | |
675 | (OS.Path.joinDirFile {dir = Config.tmpDir, | |
676 | file = node})) | |
2ed6d0e5 | 677 | nodes; |
e0b0abd2 AC |
678 | app (fn node => OS.FileSys.mkDir |
679 | (OS.Path.joinDirFile {dir = Config.resultRoot, | |
680 | file = node}) | |
681 | handle OS.SysErr _ => ()) | |
2ed6d0e5 | 682 | nodes)) |
e0b0abd2 | 683 | |
c189cbe9 AC |
684 | fun handleSite (site, files) = |
685 | let | |
686 | ||
687 | in | |
688 | print ("New configuration for node " ^ site ^ "\n"); | |
689 | if site = Config.defaultNode then | |
690 | Slave.handleChanges files | |
691 | else let | |
8be753d9 AC |
692 | val bio = OpenSSL.connect true (valOf (!ssl_context), |
693 | nodeIp site | |
694 | ^ ":" | |
695 | ^ Int.toString Config.slavePort) | |
c189cbe9 AC |
696 | in |
697 | app (fn file => Msg.send (bio, MsgFile file)) files; | |
698 | Msg.send (bio, MsgDoFiles); | |
699 | case Msg.recv bio of | |
700 | NONE => print "Slave closed connection unexpectedly\n" | |
701 | | SOME m => | |
702 | case m of | |
703 | MsgOk => print ("Slave " ^ site ^ " finished\n") | |
704 | | MsgError s => print ("Slave " ^ site | |
705 | ^ " returned error: " ^ | |
706 | s ^ "\n") | |
707 | | _ => print ("Slave " ^ site | |
708 | ^ " returned unexpected command\n"); | |
709 | OpenSSL.close bio | |
710 | end | |
711 | end | |
712 | ||
e0b0abd2 AC |
713 | val () = Env.registerPost (fn () => |
714 | let | |
4f9c5b51 AC |
715 | val prefixes = List.concat |
716 | (List.map (fn dom => | |
717 | let | |
718 | val pieces = String.tokens (fn ch => ch = #".") dom | |
719 | val path = String.concatWith "/" (rev pieces) | |
720 | in | |
721 | List.map (fn node => | |
722 | Config.resultRoot ^ "/" ^ node ^ "/" ^ path ^ "/") | |
723 | nodes | |
724 | end) (!seenDomains)) | |
aaf70d45 AC |
725 | |
726 | val diffs = findAllDiffs prefixes | |
6ae327f8 | 727 | |
e0b0abd2 AC |
728 | val diffs = map (fn (site, dom, dir, Add' {src, dst}) => |
729 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
730 | fn cl => "Copy failed: " ^ cl); | |
731 | (site, | |
6ae327f8 AC |
732 | {action = Slave.Add, |
733 | domain = dom, | |
734 | dir = dir, | |
e0b0abd2 AC |
735 | file = dst})) |
736 | | (site, dom, dir, Delete' dst) => | |
737 | (OS.FileSys.remove dst | |
738 | handle OS.SysErr _ => | |
739 | ErrorMsg.error NONE ("Delete failed for " ^ dst); | |
740 | (site, | |
1638d5a2 | 741 | {action = Slave.Delete true, |
6ae327f8 AC |
742 | domain = dom, |
743 | dir = dir, | |
e0b0abd2 AC |
744 | file = dst})) |
745 | | (site, dom, dir, Modify' {src, dst}) => | |
746 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
747 | fn cl => "Copy failed: " ^ cl); | |
748 | (site, | |
6ae327f8 AC |
749 | {action = Slave.Modify, |
750 | domain = dom, | |
751 | dir = dir, | |
e0b0abd2 AC |
752 | file = dst}))) diffs |
753 | in | |
754 | if !ErrorMsg.anyErrors then | |
755 | () | |
36e42cb8 AC |
756 | else let |
757 | val changed = foldl (fn ((site, file), changed) => | |
758 | let | |
759 | val ls = case SM.find (changed, site) of | |
760 | NONE => [] | |
761 | | SOME ls => ls | |
762 | in | |
763 | SM.insert (changed, site, file :: ls) | |
764 | end) SM.empty diffs | |
36e42cb8 AC |
765 | in |
766 | SM.appi handleSite changed | |
767 | end; | |
e0b0abd2 | 768 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], |
559e89e9 | 769 | fn cl => "Temp file cleanup failed: " ^ cl)) |
e0b0abd2 | 770 | end) |
6ae327f8 | 771 | |
be1bea4c AC |
772 | fun hasPriv priv = Acl.query {user = getUser (), class = "priv", value = "all"} |
773 | orelse Acl.query {user = getUser (), class = "priv", value = priv} | |
774 | ||
775 | val _ = Env.type_one "dns_node" | |
776 | Env.string | |
777 | (fn node => | |
778 | List.exists (fn x => x = node) Config.dnsNodes_all | |
779 | orelse (hasPriv "dns" | |
780 | andalso List.exists (fn x => x = node) Config.dnsNodes_admin)) | |
60695e99 | 781 | |
bbdf617f AC |
782 | val _ = Env.type_one "mail_node" |
783 | Env.string | |
784 | (fn node => | |
785 | List.exists (fn x => x = node) Config.mailNodes_all | |
786 | orelse (hasPriv "mail" | |
787 | andalso List.exists (fn x => x = node) Config.mailNodes_admin)) | |
788 | ||
1638d5a2 | 789 | fun rmdom' delete resultRoot doms = |
c189cbe9 | 790 | let |
c189cbe9 AC |
791 | fun doNode (node, _) = |
792 | let | |
1638d5a2 | 793 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
c189cbe9 | 794 | file = node} |
c189cbe9 | 795 | |
e69e60cc | 796 | fun doDom (dom, actions) = |
93c2f623 | 797 | let |
e69e60cc AC |
798 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) |
799 | val dname = OS.Path.concat (dname, domPath) | |
800 | ||
801 | fun visitDom (dom, dname, actions) = | |
802 | let | |
803 | val dir = Posix.FileSys.opendir dname | |
804 | ||
805 | fun loop actions = | |
806 | case Posix.FileSys.readdir dir of | |
807 | NONE => actions | |
808 | | SOME fname => | |
809 | let | |
810 | val fnameFull = OS.Path.joinDirFile {dir = dname, | |
811 | file = fname} | |
812 | in | |
813 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat fnameFull) then | |
814 | loop (visitDom (fname ^ "." ^ dom, | |
815 | fnameFull, | |
816 | actions)) | |
1638d5a2 | 817 | else |
1638d5a2 AC |
818 | loop ({action = Slave.Delete delete, |
819 | domain = dom, | |
820 | dir = dname, | |
b200e996 | 821 | file = fnameFull} :: actions) |
e69e60cc AC |
822 | end |
823 | in | |
824 | loop actions | |
825 | before Posix.FileSys.closedir dir | |
826 | end | |
1638d5a2 AC |
827 | handle OS.SysErr (s, _) => |
828 | (print ("Warning: System error deleting domain " ^ dom ^ " on " ^ node ^ ": " ^ s ^ "\n"); | |
e69e60cc | 829 | actions) |
93c2f623 | 830 | in |
e69e60cc | 831 | visitDom (dom, dname, actions) |
93c2f623 AC |
832 | end |
833 | ||
e69e60cc | 834 | val actions = foldl doDom [] doms |
c189cbe9 | 835 | in |
c189cbe9 AC |
836 | handleSite (node, actions) |
837 | end | |
e69e60cc | 838 | handle IO.Io _ => print ("Warning: IO error deleting domains on " ^ node ^ ".\n") |
c189cbe9 AC |
839 | |
840 | fun cleanupNode (node, _) = | |
841 | let | |
e69e60cc AC |
842 | fun doDom dom = |
843 | let | |
844 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) | |
1638d5a2 | 845 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
e69e60cc AC |
846 | file = node} |
847 | val dname = OS.Path.concat (dname, domPath) | |
848 | in | |
1638d5a2 AC |
849 | if delete then |
850 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ dname)) | |
851 | else | |
852 | () | |
e69e60cc | 853 | end |
c189cbe9 | 854 | in |
e69e60cc | 855 | app doDom doms |
c189cbe9 AC |
856 | end |
857 | in | |
858 | app doNode Config.nodeIps; | |
859 | app cleanupNode Config.nodeIps | |
860 | end | |
861 | ||
1638d5a2 AC |
862 | val rmdom = rmdom' true Config.resultRoot |
863 | val rmdom' = rmdom' false | |
864 | ||
0da1c677 AC |
865 | fun homedirOf uname = |
866 | Posix.SysDB.Passwd.home (Posix.SysDB.getpwnam uname) | |
867 | ||
868 | fun homedir () = homedirOf (getUser ()) | |
869 | ||
314ce7bd AC |
870 | type subject = {node : string, domain : string} |
871 | ||
872 | val describers : (subject -> string) list ref = ref [] | |
873 | ||
874 | fun registerDescriber f = describers := f :: !describers | |
875 | ||
41c58daf | 876 | fun describeOne arg = String.concat (map (fn f => f arg) (rev (!describers))) |
314ce7bd | 877 | |
d300166d AC |
878 | val line = "--------------------------------------------------------------\n" |
879 | val dline = "==============================================================\n" | |
314ce7bd AC |
880 | |
881 | fun describe dom = | |
882 | String.concat (List.mapPartial | |
883 | (fn node => | |
884 | case describeOne {node = node, domain = dom} of | |
885 | "" => NONE | |
886 | | s => | |
887 | SOME (String.concat [dline, "Node ", node, "\n", dline, "\n", s])) | |
888 | nodes) | |
889 | ||
890 | datatype description = | |
41c58daf | 891 | Filename of { filename : string, heading : string, showEmpty : bool } |
314ce7bd AC |
892 | | Extension of { extension : string, heading : string -> string } |
893 | ||
894 | fun considerAll ds {node, domain} = | |
895 | let | |
896 | val ds = map (fn d => (d, ref [])) ds | |
897 | ||
898 | val path = Config.resultRoot | |
899 | val jdf = OS.Path.joinDirFile | |
900 | val path = jdf {dir = path, file = node} | |
901 | val path = foldr (fn (more, path) => jdf {dir = path, file = more}) | |
902 | path (String.tokens (fn ch => ch = #".") domain) | |
903 | in | |
904 | if Posix.FileSys.access (path, []) then | |
905 | let | |
906 | val dir = Posix.FileSys.opendir path | |
907 | ||
908 | fun loop () = | |
909 | case Posix.FileSys.readdir dir of | |
910 | NONE => () | |
911 | | SOME fname => | |
41c58daf AC |
912 | (app (fn (d, entries) => |
913 | let | |
914 | fun readFile showEmpty entries' = | |
915 | let | |
916 | val fname = OS.Path.joinDirFile {dir = path, | |
917 | file = fname} | |
918 | ||
919 | val inf = TextIO.openIn fname | |
920 | ||
921 | fun loop (seenOne, entries') = | |
922 | case TextIO.inputLine inf of | |
923 | NONE => if seenOne orelse showEmpty then | |
924 | "\n" :: entries' | |
925 | else | |
926 | !entries | |
927 | | SOME line => loop (true, line :: entries') | |
928 | in | |
929 | loop (false, entries') | |
930 | before TextIO.closeIn inf | |
931 | end | |
932 | in | |
933 | case d of | |
934 | Filename {filename, heading, showEmpty} => | |
935 | if fname = filename then | |
d936cf4d | 936 | entries := readFile showEmpty ("\n" :: line :: "\n" :: heading :: line :: !entries) |
41c58daf AC |
937 | else |
938 | () | |
939 | | Extension {extension, heading} => | |
940 | let | |
941 | val {base, ext} = OS.Path.splitBaseExt fname | |
942 | in | |
943 | case ext of | |
944 | NONE => () | |
945 | | SOME extension' => | |
946 | if extension' = extension then | |
d936cf4d | 947 | entries := readFile true ("\n" :: line :: "\n" :: heading base :: line :: !entries) |
41c58daf AC |
948 | else |
949 | () | |
950 | end | |
951 | end) ds; | |
952 | loop ()) | |
314ce7bd AC |
953 | in |
954 | loop (); | |
955 | Posix.FileSys.closedir dir; | |
956 | String.concat (List.concat (map (fn (_, entries) => rev (!entries)) ds)) | |
957 | end | |
958 | else | |
959 | "" | |
960 | end | |
961 | ||
3ae703b6 | 962 | val () = registerDescriber (considerAll [Filename {filename = "soa.conf", |
d936cf4d | 963 | heading = "DNS SOA:", |
41c58daf | 964 | showEmpty = false}]) |
314ce7bd | 965 | |
e9f528ab AC |
966 | val () = Env.registerAction ("domainHost", |
967 | fn (env, [(EString host, _)]) => | |
968 | SM.insert (env, "Hostname", | |
969 | (EString (host ^ "." ^ currentDomain ()), dl)) | |
970 | | (_, args) => Env.badArgs ("domainHost", args)) | |
971 | ||
563e7792 AC |
972 | val ouc = ref (fn () => ()) |
973 | ||
974 | fun registerOnUsersChange f = | |
975 | let | |
976 | val f' = !ouc | |
977 | in | |
978 | ouc := (fn () => (f' (); f ())) | |
979 | end | |
980 | ||
981 | fun onUsersChange () = !ouc () | |
982 | ||
a3698041 | 983 | end |