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a3698041 | 1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
3bf720f7 | 2 | * Copyright (c) 2006-2007, Adam Chlipala |
a3698041 AC |
3 | * |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version 2 | |
7 | * of the License, or (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
dac62e84 | 17 | *) |
a3698041 AC |
18 | |
19 | (* Domain-related primitive actions *) | |
20 | ||
21 | structure Domain :> DOMAIN = struct | |
22 | ||
36e42cb8 AC |
23 | open MsgTypes |
24 | ||
2ed6d0e5 | 25 | structure SM = DataStructures.StringMap |
12adf55a | 26 | structure SS = DataStructures.StringSet |
2ed6d0e5 | 27 | |
36e42cb8 AC |
28 | val ssl_context = ref (NONE : OpenSSL.context option) |
29 | fun set_context ctx = ssl_context := SOME ctx | |
30 | ||
12adf55a | 31 | val nodes = map #1 Config.nodeIps |
2ed6d0e5 AC |
32 | val nodeMap = foldl (fn ((node, ip), mp) => SM.insert (mp, node, ip)) |
33 | SM.empty Config.nodeIps | |
8a7c40fa | 34 | fun nodeIp node = valOf (SM.find (nodeMap, node)) |
2ed6d0e5 | 35 | |
12adf55a | 36 | val usr = ref "" |
12adf55a AC |
37 | fun getUser () = !usr |
38 | ||
39 | val your_doms = ref SS.empty | |
40 | fun your_domains () = !your_doms | |
41 | ||
8a7c40fa AC |
42 | val your_usrs = ref SS.empty |
43 | fun your_users () = !your_usrs | |
44 | ||
45 | val your_grps = ref SS.empty | |
46 | fun your_groups () = !your_grps | |
47 | ||
48 | val your_pths = ref SS.empty | |
49 | fun your_paths () = !your_pths | |
50 | ||
26c7d224 AC |
51 | val your_ipss = ref SS.empty |
52 | fun your_ips () = !your_ipss | |
53 | ||
998ed174 | 54 | val world_readable = SS.addList (SS.empty, Config.worldReadable) |
70822196 | 55 | val readable_pths = ref world_readable |
998ed174 AC |
56 | fun readable_paths () = !readable_pths |
57 | ||
aa56e112 | 58 | fun setUser user = |
998ed174 AC |
59 | let |
60 | val () = usr := user | |
61 | ||
62 | val your_paths = Acl.class {user = getUser (), | |
63 | class = "path"} | |
64 | in | |
65 | your_doms := Acl.class {user = getUser (), | |
66 | class = "domain"}; | |
67 | your_usrs := Acl.class {user = getUser (), | |
68 | class = "user"}; | |
69 | your_grps := Acl.class {user = getUser (), | |
70 | class = "group"}; | |
71 | your_pths := your_paths; | |
26c7d224 AC |
72 | readable_pths := SS.union (your_paths, world_readable); |
73 | your_ipss := Acl.class {user = getUser (), | |
74 | class = "ip"} | |
998ed174 | 75 | end |
aa56e112 | 76 | |
6ae327f8 AC |
77 | fun validIp s = |
78 | case map Int.fromString (String.fields (fn ch => ch = #".") s) of | |
79 | [SOME n1, SOME n2, SOME n3, SOME n4] => | |
80 | n1 >= 0 andalso n1 < 256 andalso n2 >= 0 andalso n2 < 256 andalso n3 >= 0 andalso n3 < 256 andalso n4 >= 0 andalso n4 < 256 | |
81 | | _ => false | |
82 | ||
629a34f6 AC |
83 | fun isIdent ch = Char.isLower ch orelse Char.isDigit ch |
84 | ||
85 | fun validHost s = | |
86 | size s > 0 andalso size s < 20 | |
87 | andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s | |
88 | ||
89 | fun validDomain s = | |
90 | size s > 0 andalso size s < 100 | |
91 | andalso List.all validHost (String.fields (fn ch => ch = #".") s) | |
92 | ||
2ed6d0e5 | 93 | fun validNode s = List.exists (fn s' => s = s') nodes |
e0b0abd2 | 94 | |
12adf55a | 95 | fun yourDomain s = SS.member (your_domains (), s) |
8a7c40fa AC |
96 | fun yourUser s = SS.member (your_users (), s) |
97 | fun yourGroup s = SS.member (your_groups (), s) | |
998ed174 | 98 | fun checkPath paths path = |
8a7c40fa AC |
99 | List.all (fn s => s <> "..") (String.fields (fn ch => ch = #"/") path) |
100 | andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"/" | |
101 | orelse ch = #"-" orelse ch = #"_") path | |
998ed174 AC |
102 | andalso SS.exists (fn s' => path = s' orelse String.isPrefix (s' ^ "/") path) (paths ()) |
103 | val yourPath = checkPath your_paths | |
104 | val readablePath = checkPath readable_paths | |
26c7d224 | 105 | fun yourIp s = SS.member (your_ips (), s) |
12adf55a | 106 | |
edd38024 | 107 | fun yourDomainHost s = |
c98b57cf AC |
108 | yourDomain s |
109 | orelse let | |
edd38024 AC |
110 | val (pref, suf) = Substring.splitl (fn ch => ch <> #".") (Substring.full s) |
111 | in | |
edd38024 AC |
112 | Substring.size suf > 0 |
113 | andalso validHost (Substring.string pref) | |
114 | andalso yourDomain (Substring.string | |
c98b57cf | 115 | (Substring.slice (suf, 1, NONE))) |
edd38024 AC |
116 | end |
117 | ||
93c2f623 AC |
118 | val yourDomain = yourDomainHost |
119 | ||
2aeb9eec AC |
120 | fun validUser s = size s > 0 andalso size s < 20 |
121 | andalso CharVector.all Char.isAlphaNum s | |
122 | ||
2e96b9d4 AC |
123 | fun validEmailUser s = |
124 | size s > 0 andalso size s < 50 | |
125 | andalso CharVector.all (fn ch => Char.isAlphaNum ch | |
126 | orelse ch = #"." | |
127 | orelse ch = #"_" | |
128 | orelse ch = #"-" | |
129 | orelse ch = #"+") s | |
130 | ||
2aeb9eec AC |
131 | val validGroup = validUser |
132 | ||
f8dfbbcc AC |
133 | val _ = Env.type_one "no_spaces" |
134 | Env.string | |
ca6ffb3f AC |
135 | (CharVector.all (fn ch => Char.isPrint ch andalso not (Char.isSpace ch) |
136 | andalso ch <> #"\"" andalso ch <> #"'")) | |
d5754b53 AC |
137 | val _ = Env.type_one "no_newlines" |
138 | Env.string | |
ca6ffb3f AC |
139 | (CharVector.all (fn ch => Char.isPrint ch andalso ch <> #"\n" andalso ch <> #"\r" |
140 | andalso ch <> #"\"" andalso ch <> #"'")) | |
f8dfbbcc | 141 | |
6ae327f8 AC |
142 | val _ = Env.type_one "ip" |
143 | Env.string | |
144 | validIp | |
145 | ||
629a34f6 AC |
146 | val _ = Env.type_one "host" |
147 | Env.string | |
148 | validHost | |
149 | ||
150 | val _ = Env.type_one "domain" | |
151 | Env.string | |
152 | validDomain | |
153 | ||
12adf55a AC |
154 | val _ = Env.type_one "your_domain" |
155 | Env.string | |
156 | yourDomain | |
157 | ||
edd38024 AC |
158 | val _ = Env.type_one "your_domain_host" |
159 | Env.string | |
160 | yourDomainHost | |
161 | ||
2aeb9eec AC |
162 | val _ = Env.type_one "user" |
163 | Env.string | |
164 | validUser | |
165 | ||
166 | val _ = Env.type_one "group" | |
167 | Env.string | |
168 | validGroup | |
169 | ||
8a7c40fa AC |
170 | val _ = Env.type_one "your_user" |
171 | Env.string | |
172 | yourUser | |
173 | ||
174 | val _ = Env.type_one "your_group" | |
175 | Env.string | |
176 | yourGroup | |
177 | ||
178 | val _ = Env.type_one "your_path" | |
179 | Env.string | |
180 | yourPath | |
181 | ||
998ed174 AC |
182 | val _ = Env.type_one "readable_path" |
183 | Env.string | |
184 | readablePath | |
185 | ||
26c7d224 AC |
186 | val _ = Env.type_one "your_ip" |
187 | Env.string | |
188 | yourIp | |
189 | ||
e0b0abd2 AC |
190 | val _ = Env.type_one "node" |
191 | Env.string | |
192 | validNode | |
193 | ||
bbdf617f AC |
194 | val _ = Env.registerFunction ("dns_node_to_node", |
195 | fn [e] => SOME e | |
196 | | _ => NONE) | |
197 | ||
198 | val _ = Env.registerFunction ("mail_node_to_node", | |
be1bea4c AC |
199 | fn [e] => SOME e |
200 | | _ => NONE) | |
a3698041 AC |
201 | open Ast |
202 | ||
6ae327f8 AC |
203 | val dl = ErrorMsg.dummyLoc |
204 | ||
205 | val nsD = (EString Config.defaultNs, dl) | |
206 | val serialD = (EVar "serialAuto", dl) | |
207 | val refD = (EInt Config.defaultRefresh, dl) | |
208 | val retD = (EInt Config.defaultRetry, dl) | |
209 | val expD = (EInt Config.defaultExpiry, dl) | |
210 | val minD = (EInt Config.defaultMinimum, dl) | |
211 | ||
212 | val soaD = multiApp ((EVar "soa", dl), | |
213 | dl, | |
214 | [nsD, serialD, refD, retD, expD, minD]) | |
215 | ||
e0b0abd2 | 216 | val masterD = (EApp ((EVar "internalMaster", dl), |
8b84db5b | 217 | (EString Config.masterNode, dl)), |
e0b0abd2 AC |
218 | dl) |
219 | ||
8b84db5b AC |
220 | val slavesD = (EList (map (fn s => (EString s, dl)) Config.slaveNodes), dl) |
221 | ||
e0b80e65 AC |
222 | val _ = Defaults.registerDefault ("Aliases", |
223 | (TList (TBase "your_domain", dl), dl), | |
224 | (fn () => (EList [], dl))) | |
225 | ||
6bb366c5 AC |
226 | val _ = Defaults.registerDefault ("Mailbox", |
227 | (TBase "email", dl), | |
228 | (fn () => (EString (getUser ()), dl))) | |
229 | ||
aa56e112 AC |
230 | val _ = Defaults.registerDefault ("DNS", |
231 | (TBase "dnsKind", dl), | |
232 | (fn () => multiApp ((EVar "useDns", dl), | |
233 | dl, | |
8b84db5b | 234 | [soaD, masterD, slavesD]))) |
6ae327f8 | 235 | |
aa56e112 AC |
236 | val _ = Defaults.registerDefault ("TTL", |
237 | (TBase "int", dl), | |
238 | (fn () => (EInt Config.Bind.defaultTTL, dl))) | |
6ae327f8 AC |
239 | |
240 | type soa = {ns : string, | |
241 | serial : int option, | |
242 | ref : int, | |
243 | ret : int, | |
244 | exp : int, | |
245 | min : int} | |
246 | ||
247 | val serial = fn (EVar "serialAuto", _) => SOME NONE | |
248 | | (EApp ((EVar "serialConst", _), n), _) => Option.map SOME (Env.int n) | |
249 | | _ => NONE | |
250 | ||
251 | val soa = fn (EApp ((EApp ((EApp ((EApp ((EApp ((EApp | |
252 | ((EVar "soa", _), ns), _), | |
253 | sl), _), | |
254 | rf), _), | |
255 | ret), _), | |
256 | exp), _), | |
257 | min), _) => | |
258 | (case (Env.string ns, serial sl, Env.int rf, | |
259 | Env.int ret, Env.int exp, Env.int min) of | |
260 | (SOME ns, SOME sl, SOME rf, | |
261 | SOME ret, SOME exp, SOME min) => | |
262 | SOME {ns = ns, | |
263 | serial = sl, | |
264 | ref = rf, | |
265 | ret = ret, | |
266 | exp = exp, | |
267 | min = min} | |
268 | | _ => NONE) | |
269 | | _ => NONE | |
270 | ||
e0b0abd2 AC |
271 | datatype master = |
272 | ExternalMaster of string | |
273 | | InternalMaster of string | |
274 | ||
cf879b4f AC |
275 | val ip = Env.string |
276 | ||
277 | val _ = Env.registerFunction ("ip_of_node", | |
278 | fn [(EString node, _)] => SOME (EString (nodeIp node), dl) | |
279 | | _ => NONE) | |
97665758 AC |
280 | |
281 | val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e) | |
8b84db5b | 282 | | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e) |
e0b0abd2 AC |
283 | | _ => NONE |
284 | ||
6ae327f8 | 285 | datatype dnsKind = |
e0b0abd2 AC |
286 | UseDns of {soa : soa, |
287 | master : master, | |
288 | slaves : string list} | |
6ae327f8 AC |
289 | | NoDns |
290 | ||
e0b0abd2 AC |
291 | val dnsKind = fn (EApp ((EApp ((EApp |
292 | ((EVar "useDns", _), sa), _), | |
293 | mstr), _), | |
294 | slaves), _) => | |
295 | (case (soa sa, master mstr, Env.list Env.string slaves) of | |
296 | (SOME sa, SOME mstr, SOME slaves) => | |
297 | SOME (UseDns {soa = sa, | |
298 | master = mstr, | |
299 | slaves = slaves}) | |
300 | | _ => NONE) | |
325285ab | 301 | | (EVar "noDns", _) => SOME NoDns |
6ae327f8 AC |
302 | | _ => NONE |
303 | ||
a3698041 AC |
304 | val befores = ref (fn (_ : string) => ()) |
305 | val afters = ref (fn (_ : string) => ()) | |
306 | ||
307 | fun registerBefore f = | |
308 | let | |
309 | val old = !befores | |
310 | in | |
311 | befores := (fn x => (old x; f x)) | |
312 | end | |
313 | ||
314 | fun registerAfter f = | |
315 | let | |
316 | val old = !afters | |
317 | in | |
318 | afters := (fn x => (old x; f x)) | |
319 | end | |
320 | ||
71420f8b AC |
321 | val globals = ref (fn () => ()) |
322 | val locals = ref (fn () => ()) | |
323 | ||
324 | fun registerResetGlobal f = | |
325 | let | |
326 | val old = !globals | |
327 | in | |
328 | globals := (fn x => (old x; f x)) | |
329 | end | |
330 | ||
331 | fun registerResetLocal f = | |
332 | let | |
333 | val old = !locals | |
334 | in | |
335 | locals := (fn x => (old x; f x)) | |
336 | end | |
337 | ||
338 | fun resetGlobal () = (!globals (); | |
339 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.resultRoot ^ "/*"))) | |
340 | fun resetLocal () = !locals () | |
341 | ||
a3698041 | 342 | val current = ref "" |
e0b0abd2 | 343 | val currentPath = ref (fn (_ : string) => "") |
e0b80e65 | 344 | val currentPathAli = ref (fn (_ : string, _ : string) => "") |
dac62e84 | 345 | |
d612d62c AC |
346 | val scratch = ref "" |
347 | ||
dac62e84 AC |
348 | fun currentDomain () = !current |
349 | ||
e0b80e65 AC |
350 | val currentsAli = ref ([] : string list) |
351 | ||
352 | fun currentAliasDomains () = !currentsAli | |
353 | fun currentDomains () = currentDomain () :: currentAliasDomains () | |
354 | ||
e0b0abd2 AC |
355 | fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*) |
356 | TextIO.openOut (!currentPath node ^ name)) | |
dac62e84 | 357 | |
e0b80e65 AC |
358 | type files = {write : string -> unit, |
359 | writeDom : unit -> unit, | |
360 | close : unit -> unit} | |
361 | ||
362 | fun domainsFile {node, name} = | |
363 | let | |
364 | val doms = currentDomains () | |
365 | val files = map (fn dom => (dom, TextIO.openOut (!currentPathAli (dom, node) ^ name))) doms | |
366 | in | |
367 | {write = fn s => app (fn (_, outf) => TextIO.output (outf, s)) files, | |
368 | writeDom = fn () => app (fn (dom, outf) => TextIO.output (outf, dom)) files, | |
369 | close = fn () => app (fn (_, outf) => TextIO.closeOut outf) files} | |
370 | end | |
371 | ||
dac62e84 AC |
372 | fun getPath domain = |
373 | let | |
374 | val toks = String.fields (fn ch => ch = #".") domain | |
375 | ||
376 | val elems = foldr (fn (piece, elems) => | |
377 | let | |
378 | val elems = piece :: elems | |
d612d62c | 379 | |
e0b0abd2 AC |
380 | fun doNode node = |
381 | let | |
382 | val path = String.concatWith "/" | |
383 | (Config.resultRoot :: node :: rev elems) | |
384 | val tmpPath = String.concatWith "/" | |
385 | (Config.tmpDir :: node :: rev elems) | |
386 | in | |
387 | (if Posix.FileSys.ST.isDir | |
388 | (Posix.FileSys.stat path) then | |
389 | () | |
390 | else | |
391 | (OS.FileSys.remove path; | |
392 | OS.FileSys.mkDir path)) | |
393 | handle OS.SysErr _ => OS.FileSys.mkDir path; | |
394 | ||
395 | (if Posix.FileSys.ST.isDir | |
396 | (Posix.FileSys.stat tmpPath) then | |
397 | () | |
398 | else | |
399 | (OS.FileSys.remove tmpPath; | |
400 | OS.FileSys.mkDir tmpPath)) | |
401 | handle OS.SysErr _ => OS.FileSys.mkDir tmpPath | |
402 | end | |
403 | in | |
2ed6d0e5 | 404 | app doNode nodes; |
dac62e84 AC |
405 | elems |
406 | end) [] toks | |
407 | in | |
e0b0abd2 | 408 | fn (root, site) => String.concatWith "/" (root :: site :: rev ("" :: elems)) |
d612d62c AC |
409 | end |
410 | ||
411 | datatype file_action' = | |
412 | Add' of {src : string, dst : string} | |
413 | | Delete' of string | |
414 | | Modify' of {src : string, dst : string} | |
415 | ||
aaf70d45 | 416 | fun findDiffs (prefixes, site, dom, acts) = |
d612d62c | 417 | let |
e0b0abd2 AC |
418 | val gp = getPath dom |
419 | val realPath = gp (Config.resultRoot, site) | |
420 | val tmpPath = gp (Config.tmpDir, site) | |
421 | ||
422 | (*val _ = print ("getDiffs(" ^ site ^ ", " ^ dom ^ ")... " ^ realPath ^ "; " ^ tmpPath ^ "\n")*) | |
d612d62c AC |
423 | |
424 | val dir = Posix.FileSys.opendir realPath | |
425 | ||
426 | fun loopReal acts = | |
427 | case Posix.FileSys.readdir dir of | |
428 | NONE => (Posix.FileSys.closedir dir; | |
429 | acts) | |
430 | | SOME fname => | |
431 | let | |
432 | val real = OS.Path.joinDirFile {dir = realPath, | |
433 | file = fname} | |
434 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
435 | file = fname} | |
436 | in | |
437 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat real) then | |
438 | loopReal acts | |
439 | else if Posix.FileSys.access (tmp, []) then | |
8df2e702 | 440 | if Slave.shell [Config.diff, " ", real, " ", tmp] then |
d612d62c AC |
441 | loopReal acts |
442 | else | |
e0b0abd2 | 443 | loopReal ((site, dom, realPath, Modify' {src = tmp, dst = real}) :: acts) |
4f9c5b51 | 444 | else if List.exists (fn prefix => String.isPrefix prefix real) prefixes then |
e0b0abd2 | 445 | loopReal ((site, dom, realPath, Delete' real) :: acts) |
aaf70d45 AC |
446 | else |
447 | loopReal acts | |
d612d62c AC |
448 | end |
449 | ||
e0b0abd2 | 450 | val acts = loopReal acts |
d612d62c | 451 | |
8df2e702 | 452 | val dir = Posix.FileSys.opendir tmpPath |
d612d62c AC |
453 | |
454 | fun loopTmp acts = | |
455 | case Posix.FileSys.readdir dir of | |
456 | NONE => (Posix.FileSys.closedir dir; | |
457 | acts) | |
458 | | SOME fname => | |
459 | let | |
460 | val real = OS.Path.joinDirFile {dir = realPath, | |
461 | file = fname} | |
462 | val tmp = OS.Path.joinDirFile {dir = tmpPath, | |
463 | file = fname} | |
464 | in | |
465 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat tmp) then | |
466 | loopTmp acts | |
467 | else if Posix.FileSys.access (real, []) then | |
468 | loopTmp acts | |
469 | else | |
e0b0abd2 | 470 | loopTmp ((site, dom, realPath, Add' {src = tmp, dst = real}) :: acts) |
d612d62c AC |
471 | end |
472 | ||
473 | val acts = loopTmp acts | |
474 | in | |
475 | acts | |
dac62e84 | 476 | end |
a3698041 | 477 | |
aaf70d45 | 478 | fun findAllDiffs prefixes = |
e0b0abd2 AC |
479 | let |
480 | val dir = Posix.FileSys.opendir Config.tmpDir | |
481 | val len = length (String.fields (fn ch => ch = #"/") Config.tmpDir) + 1 | |
482 | ||
483 | fun exploreSites diffs = | |
484 | case Posix.FileSys.readdir dir of | |
485 | NONE => diffs | |
486 | | SOME site => | |
487 | let | |
488 | fun explore (dname, diffs) = | |
489 | let | |
490 | val dir = Posix.FileSys.opendir dname | |
491 | ||
492 | fun loop diffs = | |
493 | case Posix.FileSys.readdir dir of | |
494 | NONE => diffs | |
495 | | SOME name => | |
496 | let | |
497 | val fname = OS.Path.joinDirFile {dir = dname, | |
498 | file = name} | |
499 | in | |
500 | loop (if Posix.FileSys.ST.isDir (Posix.FileSys.stat fname) then | |
501 | let | |
502 | val dom = String.fields (fn ch => ch = #"/") fname | |
503 | val dom = List.drop (dom, len) | |
504 | val dom = String.concatWith "." (rev dom) | |
505 | ||
506 | val dname' = OS.Path.joinDirFile {dir = dname, | |
507 | file = name} | |
508 | in | |
509 | explore (dname', | |
aaf70d45 | 510 | findDiffs (prefixes, site, dom, diffs)) |
e0b0abd2 AC |
511 | end |
512 | else | |
513 | diffs) | |
514 | end | |
515 | in | |
516 | loop diffs | |
517 | before Posix.FileSys.closedir dir | |
518 | end | |
519 | in | |
36e42cb8 AC |
520 | exploreSites (explore (OS.Path.joinDirFile {dir = Config.tmpDir, |
521 | file = site}, diffs)) | |
e0b0abd2 AC |
522 | end |
523 | in | |
524 | exploreSites [] | |
525 | before Posix.FileSys.closedir dir | |
526 | end | |
527 | ||
528 | val masterNode : string option ref = ref NONE | |
529 | fun dnsMaster () = !masterNode | |
530 | ||
aaf70d45 AC |
531 | val seenDomains : string list ref = ref [] |
532 | ||
6ae327f8 AC |
533 | val _ = Env.containerV_one "domain" |
534 | ("domain", Env.string) | |
535 | (fn (evs, dom) => | |
536 | let | |
aaf70d45 AC |
537 | val () = seenDomains := dom :: !seenDomains |
538 | ||
6ae327f8 AC |
539 | val kind = Env.env dnsKind (evs, "DNS") |
540 | val ttl = Env.env Env.int (evs, "TTL") | |
e0b80e65 | 541 | val aliases = Env.env (Env.list Env.string) (evs, "Aliases") |
6ae327f8 | 542 | |
e0b0abd2 | 543 | val path = getPath dom |
6ae327f8 AC |
544 | |
545 | val () = (current := dom; | |
e0b80e65 AC |
546 | currentsAli := Slave.remove (Slave.removeDups aliases, dom); |
547 | currentPath := (fn site => path (Config.tmpDir, site)); | |
548 | currentPathAli := (fn (dom, site) => getPath dom (Config.tmpDir, site))) | |
6ae327f8 | 549 | |
e0b0abd2 | 550 | fun saveSoa (kind, soa : soa) node = |
e2359100 | 551 | let |
e0b80e65 | 552 | val {write, writeDom, close} = domainsFile {node = node, name = "soa"} |
e2359100 | 553 | in |
e0b80e65 AC |
554 | write kind; |
555 | write "\n"; | |
556 | write (Int.toString ttl); | |
557 | write "\n"; | |
558 | write (#ns soa); | |
559 | write "\n"; | |
e2359100 AC |
560 | case #serial soa of |
561 | NONE => () | |
e0b80e65 AC |
562 | | SOME n => write (Int.toString n); |
563 | write "\n"; | |
564 | write (Int.toString (#ref soa)); | |
565 | write "\n"; | |
566 | write (Int.toString (#ret soa)); | |
567 | write "\n"; | |
568 | write (Int.toString (#exp soa)); | |
569 | write "\n"; | |
570 | write (Int.toString (#min soa)); | |
571 | write "\n"; | |
572 | close () | |
e2359100 | 573 | end |
6ae327f8 | 574 | |
a431ca34 | 575 | fun saveNamed (kind, soa : soa, masterIp, slaveIps) node = |
b341fd6d AC |
576 | if dom = "localhost" then |
577 | () | |
578 | else let | |
e0b80e65 | 579 | val {write, writeDom, close} = domainsFile {node = node, name = "named.conf"} |
b341fd6d | 580 | in |
e0b80e65 AC |
581 | write "\nzone \""; |
582 | writeDom (); | |
a431ca34 | 583 | write "\" {\n\ttype "; |
e0b80e65 AC |
584 | write kind; |
585 | write ";\n\tfile \""; | |
586 | write Config.Bind.zonePath_real; | |
587 | write "/"; | |
588 | writeDom (); | |
589 | write ".zone\";\n"; | |
b341fd6d | 590 | case kind of |
a431ca34 AC |
591 | "master" => (write "\tallow-transfer {\n"; |
592 | app (fn ip => (write "\t\t"; | |
593 | write ip; | |
594 | write ";\n")) slaveIps; | |
595 | write "\t};\n") | |
e0b80e65 AC |
596 | | _ => (write "\tmasters { "; |
597 | write masterIp; | |
598 | write "; };\n"); | |
599 | write "};\n"; | |
600 | close () | |
b341fd6d | 601 | end |
6ae327f8 AC |
602 | in |
603 | case kind of | |
e0b0abd2 AC |
604 | NoDns => masterNode := NONE |
605 | | UseDns dns => | |
2ed6d0e5 AC |
606 | let |
607 | val masterIp = | |
608 | case #master dns of | |
a431ca34 | 609 | InternalMaster node => nodeIp node |
2ed6d0e5 | 610 | | ExternalMaster ip => ip |
a431ca34 AC |
611 | |
612 | val slaveIps = map nodeIp (#slaves dns) | |
2ed6d0e5 AC |
613 | in |
614 | app (saveSoa ("slave", #soa dns)) (#slaves dns); | |
a431ca34 | 615 | app (saveNamed ("slave", #soa dns, masterIp, slaveIps)) (#slaves dns); |
2ed6d0e5 AC |
616 | case #master dns of |
617 | InternalMaster node => | |
618 | (masterNode := SOME node; | |
619 | saveSoa ("master", #soa dns) node; | |
a431ca34 | 620 | saveNamed ("master", #soa dns, masterIp, slaveIps) node) |
b25161c7 AC |
621 | | _ => masterNode := NONE |
622 | end; | |
623 | !befores dom | |
6ae327f8 | 624 | end, |
e0b0abd2 AC |
625 | fn () => !afters (!current)) |
626 | ||
aaf70d45 AC |
627 | val () = Env.registerPre (fn () => (seenDomains := []; |
628 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], | |
e0b0abd2 AC |
629 | fn cl => "Temp file cleanup failed: " ^ cl)); |
630 | OS.FileSys.mkDir Config.tmpDir; | |
631 | app (fn node => OS.FileSys.mkDir | |
632 | (OS.Path.joinDirFile {dir = Config.tmpDir, | |
633 | file = node})) | |
2ed6d0e5 | 634 | nodes; |
e0b0abd2 AC |
635 | app (fn node => OS.FileSys.mkDir |
636 | (OS.Path.joinDirFile {dir = Config.resultRoot, | |
637 | file = node}) | |
638 | handle OS.SysErr _ => ()) | |
2ed6d0e5 | 639 | nodes)) |
e0b0abd2 | 640 | |
c189cbe9 AC |
641 | fun handleSite (site, files) = |
642 | let | |
643 | ||
644 | in | |
645 | print ("New configuration for node " ^ site ^ "\n"); | |
646 | if site = Config.defaultNode then | |
647 | Slave.handleChanges files | |
648 | else let | |
649 | val bio = OpenSSL.connect (valOf (!ssl_context), | |
650 | nodeIp site | |
651 | ^ ":" | |
652 | ^ Int.toString Config.slavePort) | |
653 | in | |
654 | app (fn file => Msg.send (bio, MsgFile file)) files; | |
655 | Msg.send (bio, MsgDoFiles); | |
656 | case Msg.recv bio of | |
657 | NONE => print "Slave closed connection unexpectedly\n" | |
658 | | SOME m => | |
659 | case m of | |
660 | MsgOk => print ("Slave " ^ site ^ " finished\n") | |
661 | | MsgError s => print ("Slave " ^ site | |
662 | ^ " returned error: " ^ | |
663 | s ^ "\n") | |
664 | | _ => print ("Slave " ^ site | |
665 | ^ " returned unexpected command\n"); | |
666 | OpenSSL.close bio | |
667 | end | |
668 | end | |
669 | ||
e0b0abd2 AC |
670 | val () = Env.registerPost (fn () => |
671 | let | |
4f9c5b51 AC |
672 | val prefixes = List.concat |
673 | (List.map (fn dom => | |
674 | let | |
675 | val pieces = String.tokens (fn ch => ch = #".") dom | |
676 | val path = String.concatWith "/" (rev pieces) | |
677 | in | |
678 | List.map (fn node => | |
679 | Config.resultRoot ^ "/" ^ node ^ "/" ^ path ^ "/") | |
680 | nodes | |
681 | end) (!seenDomains)) | |
aaf70d45 AC |
682 | |
683 | val diffs = findAllDiffs prefixes | |
6ae327f8 | 684 | |
e0b0abd2 AC |
685 | val diffs = map (fn (site, dom, dir, Add' {src, dst}) => |
686 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
687 | fn cl => "Copy failed: " ^ cl); | |
688 | (site, | |
6ae327f8 AC |
689 | {action = Slave.Add, |
690 | domain = dom, | |
691 | dir = dir, | |
e0b0abd2 AC |
692 | file = dst})) |
693 | | (site, dom, dir, Delete' dst) => | |
694 | (OS.FileSys.remove dst | |
695 | handle OS.SysErr _ => | |
696 | ErrorMsg.error NONE ("Delete failed for " ^ dst); | |
697 | (site, | |
1638d5a2 | 698 | {action = Slave.Delete true, |
6ae327f8 AC |
699 | domain = dom, |
700 | dir = dir, | |
e0b0abd2 AC |
701 | file = dst})) |
702 | | (site, dom, dir, Modify' {src, dst}) => | |
703 | (Slave.shellF ([Config.cp, " ", src, " ", dst], | |
704 | fn cl => "Copy failed: " ^ cl); | |
705 | (site, | |
6ae327f8 AC |
706 | {action = Slave.Modify, |
707 | domain = dom, | |
708 | dir = dir, | |
e0b0abd2 AC |
709 | file = dst}))) diffs |
710 | in | |
711 | if !ErrorMsg.anyErrors then | |
712 | () | |
36e42cb8 AC |
713 | else let |
714 | val changed = foldl (fn ((site, file), changed) => | |
715 | let | |
716 | val ls = case SM.find (changed, site) of | |
717 | NONE => [] | |
718 | | SOME ls => ls | |
719 | in | |
720 | SM.insert (changed, site, file :: ls) | |
721 | end) SM.empty diffs | |
36e42cb8 AC |
722 | in |
723 | SM.appi handleSite changed | |
724 | end; | |
e0b0abd2 | 725 | ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""], |
559e89e9 | 726 | fn cl => "Temp file cleanup failed: " ^ cl)) |
e0b0abd2 | 727 | end) |
6ae327f8 | 728 | |
be1bea4c AC |
729 | fun hasPriv priv = Acl.query {user = getUser (), class = "priv", value = "all"} |
730 | orelse Acl.query {user = getUser (), class = "priv", value = priv} | |
731 | ||
732 | val _ = Env.type_one "dns_node" | |
733 | Env.string | |
734 | (fn node => | |
735 | List.exists (fn x => x = node) Config.dnsNodes_all | |
736 | orelse (hasPriv "dns" | |
737 | andalso List.exists (fn x => x = node) Config.dnsNodes_admin)) | |
60695e99 | 738 | |
bbdf617f AC |
739 | val _ = Env.type_one "mail_node" |
740 | Env.string | |
741 | (fn node => | |
742 | List.exists (fn x => x = node) Config.mailNodes_all | |
743 | orelse (hasPriv "mail" | |
744 | andalso List.exists (fn x => x = node) Config.mailNodes_admin)) | |
745 | ||
1638d5a2 | 746 | fun rmdom' delete resultRoot doms = |
c189cbe9 | 747 | let |
c189cbe9 AC |
748 | fun doNode (node, _) = |
749 | let | |
1638d5a2 | 750 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
c189cbe9 | 751 | file = node} |
c189cbe9 | 752 | |
e69e60cc | 753 | fun doDom (dom, actions) = |
93c2f623 | 754 | let |
e69e60cc AC |
755 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) |
756 | val dname = OS.Path.concat (dname, domPath) | |
757 | ||
758 | fun visitDom (dom, dname, actions) = | |
759 | let | |
760 | val dir = Posix.FileSys.opendir dname | |
761 | ||
762 | fun loop actions = | |
763 | case Posix.FileSys.readdir dir of | |
764 | NONE => actions | |
765 | | SOME fname => | |
766 | let | |
767 | val fnameFull = OS.Path.joinDirFile {dir = dname, | |
768 | file = fname} | |
769 | in | |
770 | if Posix.FileSys.ST.isDir (Posix.FileSys.stat fnameFull) then | |
771 | loop (visitDom (fname ^ "." ^ dom, | |
772 | fnameFull, | |
773 | actions)) | |
1638d5a2 | 774 | else |
1638d5a2 AC |
775 | loop ({action = Slave.Delete delete, |
776 | domain = dom, | |
777 | dir = dname, | |
b200e996 | 778 | file = fnameFull} :: actions) |
e69e60cc AC |
779 | end |
780 | in | |
781 | loop actions | |
782 | before Posix.FileSys.closedir dir | |
783 | end | |
1638d5a2 AC |
784 | handle OS.SysErr (s, _) => |
785 | (print ("Warning: System error deleting domain " ^ dom ^ " on " ^ node ^ ": " ^ s ^ "\n"); | |
e69e60cc | 786 | actions) |
93c2f623 | 787 | in |
e69e60cc | 788 | visitDom (dom, dname, actions) |
93c2f623 AC |
789 | end |
790 | ||
e69e60cc | 791 | val actions = foldl doDom [] doms |
c189cbe9 | 792 | in |
c189cbe9 AC |
793 | handleSite (node, actions) |
794 | end | |
e69e60cc | 795 | handle IO.Io _ => print ("Warning: IO error deleting domains on " ^ node ^ ".\n") |
c189cbe9 AC |
796 | |
797 | fun cleanupNode (node, _) = | |
798 | let | |
e69e60cc AC |
799 | fun doDom dom = |
800 | let | |
801 | val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom)) | |
1638d5a2 | 802 | val dname = OS.Path.joinDirFile {dir = resultRoot, |
e69e60cc AC |
803 | file = node} |
804 | val dname = OS.Path.concat (dname, domPath) | |
805 | in | |
1638d5a2 AC |
806 | if delete then |
807 | ignore (OS.Process.system (Config.rm ^ " -rf " ^ dname)) | |
808 | else | |
809 | () | |
e69e60cc | 810 | end |
c189cbe9 | 811 | in |
e69e60cc | 812 | app doDom doms |
c189cbe9 AC |
813 | end |
814 | in | |
815 | app doNode Config.nodeIps; | |
816 | app cleanupNode Config.nodeIps | |
817 | end | |
818 | ||
1638d5a2 AC |
819 | val rmdom = rmdom' true Config.resultRoot |
820 | val rmdom' = rmdom' false | |
821 | ||
0da1c677 AC |
822 | fun homedirOf uname = |
823 | Posix.SysDB.Passwd.home (Posix.SysDB.getpwnam uname) | |
824 | ||
825 | fun homedir () = homedirOf (getUser ()) | |
826 | ||
314ce7bd AC |
827 | type subject = {node : string, domain : string} |
828 | ||
829 | val describers : (subject -> string) list ref = ref [] | |
830 | ||
831 | fun registerDescriber f = describers := f :: !describers | |
832 | ||
41c58daf | 833 | fun describeOne arg = String.concat (map (fn f => f arg) (rev (!describers))) |
314ce7bd | 834 | |
d300166d AC |
835 | val line = "--------------------------------------------------------------\n" |
836 | val dline = "==============================================================\n" | |
314ce7bd AC |
837 | |
838 | fun describe dom = | |
839 | String.concat (List.mapPartial | |
840 | (fn node => | |
841 | case describeOne {node = node, domain = dom} of | |
842 | "" => NONE | |
843 | | s => | |
844 | SOME (String.concat [dline, "Node ", node, "\n", dline, "\n", s])) | |
845 | nodes) | |
846 | ||
847 | datatype description = | |
41c58daf | 848 | Filename of { filename : string, heading : string, showEmpty : bool } |
314ce7bd AC |
849 | | Extension of { extension : string, heading : string -> string } |
850 | ||
851 | fun considerAll ds {node, domain} = | |
852 | let | |
853 | val ds = map (fn d => (d, ref [])) ds | |
854 | ||
855 | val path = Config.resultRoot | |
856 | val jdf = OS.Path.joinDirFile | |
857 | val path = jdf {dir = path, file = node} | |
858 | val path = foldr (fn (more, path) => jdf {dir = path, file = more}) | |
859 | path (String.tokens (fn ch => ch = #".") domain) | |
860 | in | |
861 | if Posix.FileSys.access (path, []) then | |
862 | let | |
863 | val dir = Posix.FileSys.opendir path | |
864 | ||
865 | fun loop () = | |
866 | case Posix.FileSys.readdir dir of | |
867 | NONE => () | |
868 | | SOME fname => | |
41c58daf AC |
869 | (app (fn (d, entries) => |
870 | let | |
871 | fun readFile showEmpty entries' = | |
872 | let | |
873 | val fname = OS.Path.joinDirFile {dir = path, | |
874 | file = fname} | |
875 | ||
876 | val inf = TextIO.openIn fname | |
877 | ||
878 | fun loop (seenOne, entries') = | |
879 | case TextIO.inputLine inf of | |
880 | NONE => if seenOne orelse showEmpty then | |
881 | "\n" :: entries' | |
882 | else | |
883 | !entries | |
884 | | SOME line => loop (true, line :: entries') | |
885 | in | |
886 | loop (false, entries') | |
887 | before TextIO.closeIn inf | |
888 | end | |
889 | in | |
890 | case d of | |
891 | Filename {filename, heading, showEmpty} => | |
892 | if fname = filename then | |
893 | entries := readFile showEmpty ("\n" :: line :: ":\n" :: heading :: line :: !entries) | |
894 | else | |
895 | () | |
896 | | Extension {extension, heading} => | |
897 | let | |
898 | val {base, ext} = OS.Path.splitBaseExt fname | |
899 | in | |
900 | case ext of | |
901 | NONE => () | |
902 | | SOME extension' => | |
903 | if extension' = extension then | |
904 | entries := readFile true ("\n" :: line :: ":\n" :: heading base :: line :: !entries) | |
905 | else | |
906 | () | |
907 | end | |
908 | end) ds; | |
909 | loop ()) | |
314ce7bd AC |
910 | in |
911 | loop (); | |
912 | Posix.FileSys.closedir dir; | |
913 | String.concat (List.concat (map (fn (_, entries) => rev (!entries)) ds)) | |
914 | end | |
915 | else | |
916 | "" | |
917 | end | |
918 | ||
919 | val () = registerDescriber (considerAll [Filename {filename = "soa", | |
41c58daf AC |
920 | heading = "DNS SOA", |
921 | showEmpty = false}]) | |
314ce7bd | 922 | |
e9f528ab AC |
923 | val () = Env.registerAction ("domainHost", |
924 | fn (env, [(EString host, _)]) => | |
925 | SM.insert (env, "Hostname", | |
926 | (EString (host ^ "." ^ currentDomain ()), dl)) | |
927 | | (_, args) => Env.badArgs ("domainHost", args)) | |
928 | ||
a3698041 | 929 | end |