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