| 1 | (* HCoop Domtool (http://hcoop.sourceforge.net/) |
| 2 | * Copyright (c) 2006, Adam Chlipala |
| 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. |
| 17 | *) |
| 18 | |
| 19 | (* Main interface *) |
| 20 | |
| 21 | structure Main :> MAIN = struct |
| 22 | |
| 23 | open Ast MsgTypes Print |
| 24 | |
| 25 | structure SM = StringMap |
| 26 | |
| 27 | fun init () = Acl.read Config.aclFile |
| 28 | |
| 29 | fun check' G fname = |
| 30 | let |
| 31 | val prog = Parse.parse fname |
| 32 | in |
| 33 | if !ErrorMsg.anyErrors then |
| 34 | G |
| 35 | else |
| 36 | Tycheck.checkFile G (Defaults.tInit ()) prog |
| 37 | end |
| 38 | |
| 39 | fun basis () = |
| 40 | let |
| 41 | val dir = Posix.FileSys.opendir Config.libRoot |
| 42 | |
| 43 | fun loop files = |
| 44 | case Posix.FileSys.readdir dir of |
| 45 | NONE => (Posix.FileSys.closedir dir; |
| 46 | files) |
| 47 | | SOME fname => |
| 48 | if String.isSuffix ".dtl" fname then |
| 49 | loop (OS.Path.joinDirFile {dir = Config.libRoot, |
| 50 | file = fname} |
| 51 | :: files) |
| 52 | else |
| 53 | loop files |
| 54 | |
| 55 | val files = loop [] |
| 56 | val (_, files) = Order.order NONE files |
| 57 | in |
| 58 | if !ErrorMsg.anyErrors then |
| 59 | Env.empty |
| 60 | else |
| 61 | (Tycheck.allowExterns (); |
| 62 | foldl (fn (fname, G) => check' G fname) Env.empty files |
| 63 | before Tycheck.disallowExterns ()) |
| 64 | end |
| 65 | |
| 66 | fun check fname = |
| 67 | let |
| 68 | val _ = ErrorMsg.reset () |
| 69 | val _ = Env.preTycheck () |
| 70 | |
| 71 | val b = basis () |
| 72 | in |
| 73 | if !ErrorMsg.anyErrors then |
| 74 | raise ErrorMsg.Error |
| 75 | else |
| 76 | let |
| 77 | val _ = Tycheck.disallowExterns () |
| 78 | val _ = ErrorMsg.reset () |
| 79 | val prog = Parse.parse fname |
| 80 | in |
| 81 | if !ErrorMsg.anyErrors then |
| 82 | raise ErrorMsg.Error |
| 83 | else |
| 84 | let |
| 85 | val G' = Tycheck.checkFile b (Defaults.tInit ()) prog |
| 86 | in |
| 87 | if !ErrorMsg.anyErrors then |
| 88 | raise ErrorMsg.Error |
| 89 | else |
| 90 | (G', #3 prog) |
| 91 | end |
| 92 | end |
| 93 | end |
| 94 | |
| 95 | val notTmp = CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"_" orelse ch = #"-") |
| 96 | |
| 97 | fun checkDir dname = |
| 98 | let |
| 99 | val b = basis () |
| 100 | |
| 101 | val dir = Posix.FileSys.opendir dname |
| 102 | |
| 103 | fun loop files = |
| 104 | case Posix.FileSys.readdir dir of |
| 105 | NONE => (Posix.FileSys.closedir dir; |
| 106 | files) |
| 107 | | SOME fname => |
| 108 | if notTmp fname then |
| 109 | loop (OS.Path.joinDirFile {dir = dname, |
| 110 | file = fname} |
| 111 | :: files) |
| 112 | else |
| 113 | loop files |
| 114 | |
| 115 | val files = loop [] |
| 116 | val (_, files) = Order.order (SOME b) files |
| 117 | in |
| 118 | if !ErrorMsg.anyErrors then |
| 119 | raise ErrorMsg.Error |
| 120 | else |
| 121 | (foldl (fn (fname, G) => check' G fname) b files; |
| 122 | if !ErrorMsg.anyErrors then |
| 123 | raise ErrorMsg.Error |
| 124 | else |
| 125 | ()) |
| 126 | end |
| 127 | |
| 128 | fun reduce fname = |
| 129 | let |
| 130 | val (G, body) = check fname |
| 131 | in |
| 132 | if !ErrorMsg.anyErrors then |
| 133 | NONE |
| 134 | else |
| 135 | case body of |
| 136 | SOME body => |
| 137 | let |
| 138 | val body' = Reduce.reduceExp G body |
| 139 | in |
| 140 | (*printd (PD.hovBox (PD.PPS.Rel 0, |
| 141 | [PD.string "Result:", |
| 142 | PD.space 1, |
| 143 | p_exp body']))*) |
| 144 | SOME body' |
| 145 | end |
| 146 | | _ => NONE |
| 147 | end |
| 148 | |
| 149 | fun eval fname = |
| 150 | case reduce fname of |
| 151 | (SOME body') => |
| 152 | if !ErrorMsg.anyErrors then |
| 153 | raise ErrorMsg.Error |
| 154 | else |
| 155 | Eval.exec (Defaults.eInit ()) body' |
| 156 | | NONE => raise ErrorMsg.Error |
| 157 | |
| 158 | fun eval' fname = |
| 159 | case reduce fname of |
| 160 | (SOME body') => |
| 161 | if !ErrorMsg.anyErrors then |
| 162 | raise ErrorMsg.Error |
| 163 | else |
| 164 | ignore (Eval.exec' (Defaults.eInit ()) body') |
| 165 | | NONE => raise ErrorMsg.Error |
| 166 | |
| 167 | val dispatcher = |
| 168 | Config.dispatcher ^ ":" ^ Int.toString Config.dispatcherPort |
| 169 | |
| 170 | fun requestContext f = |
| 171 | let |
| 172 | val uid = Posix.ProcEnv.getuid () |
| 173 | val user = Posix.SysDB.Passwd.name (Posix.SysDB.getpwuid uid) |
| 174 | |
| 175 | val () = Acl.read Config.aclFile |
| 176 | val () = Domain.setUser user |
| 177 | |
| 178 | val () = f () |
| 179 | |
| 180 | val context = OpenSSL.context (Config.certDir ^ "/" ^ user ^ ".pem", |
| 181 | Config.keyDir ^ "/" ^ user ^ "/key.pem", |
| 182 | Config.trustStore) |
| 183 | in |
| 184 | (user, context) |
| 185 | end |
| 186 | |
| 187 | fun requestBio f = |
| 188 | let |
| 189 | val (user, context) = requestContext f |
| 190 | in |
| 191 | (user, OpenSSL.connect (context, dispatcher)) |
| 192 | end |
| 193 | |
| 194 | fun request fname = |
| 195 | let |
| 196 | val (user, bio) = requestBio (fn () => ignore (check fname)) |
| 197 | |
| 198 | val inf = TextIO.openIn fname |
| 199 | |
| 200 | fun loop lines = |
| 201 | case TextIO.inputLine inf of |
| 202 | NONE => String.concat (List.rev lines) |
| 203 | | SOME line => loop (line :: lines) |
| 204 | |
| 205 | val code = loop [] |
| 206 | in |
| 207 | TextIO.closeIn inf; |
| 208 | Msg.send (bio, MsgConfig code); |
| 209 | case Msg.recv bio of |
| 210 | NONE => print "Server closed connection unexpectedly.\n" |
| 211 | | SOME m => |
| 212 | case m of |
| 213 | MsgOk => print "Configuration succeeded.\n" |
| 214 | | MsgError s => print ("Configuration failed: " ^ s ^ "\n") |
| 215 | | _ => print "Unexpected server reply.\n"; |
| 216 | OpenSSL.close bio |
| 217 | end |
| 218 | handle ErrorMsg.Error => () |
| 219 | |
| 220 | fun requestDir dname = |
| 221 | let |
| 222 | val _ = ErrorMsg.reset () |
| 223 | |
| 224 | val (user, bio) = requestBio (fn () => checkDir dname) |
| 225 | |
| 226 | val b = basis () |
| 227 | |
| 228 | val dir = Posix.FileSys.opendir dname |
| 229 | |
| 230 | fun loop files = |
| 231 | case Posix.FileSys.readdir dir of |
| 232 | NONE => (Posix.FileSys.closedir dir; |
| 233 | files) |
| 234 | | SOME fname => |
| 235 | if notTmp fname then |
| 236 | loop (OS.Path.joinDirFile {dir = dname, |
| 237 | file = fname} |
| 238 | :: files) |
| 239 | else |
| 240 | loop files |
| 241 | |
| 242 | val files = loop [] |
| 243 | val (_, files) = Order.order (SOME b) files |
| 244 | |
| 245 | val _ = if !ErrorMsg.anyErrors then |
| 246 | raise ErrorMsg.Error |
| 247 | else |
| 248 | () |
| 249 | |
| 250 | val codes = map (fn fname => |
| 251 | let |
| 252 | val inf = TextIO.openIn fname |
| 253 | |
| 254 | fun loop lines = |
| 255 | case TextIO.inputLine inf of |
| 256 | NONE => String.concat (rev lines) |
| 257 | | SOME line => loop (line :: lines) |
| 258 | in |
| 259 | loop [] |
| 260 | before TextIO.closeIn inf |
| 261 | end) files |
| 262 | in |
| 263 | if !ErrorMsg.anyErrors then |
| 264 | () |
| 265 | else |
| 266 | (Msg.send (bio, MsgMultiConfig codes); |
| 267 | case Msg.recv bio of |
| 268 | NONE => print "Server closed connection unexpectedly.\n" |
| 269 | | SOME m => |
| 270 | case m of |
| 271 | MsgOk => print "Configuration succeeded.\n" |
| 272 | | MsgError s => print ("Configuration failed: " ^ s ^ "\n") |
| 273 | | _ => print "Unexpected server reply.\n"; |
| 274 | OpenSSL.close bio) |
| 275 | end |
| 276 | handle ErrorMsg.Error => () |
| 277 | |
| 278 | fun requestGrant acl = |
| 279 | let |
| 280 | val (user, bio) = requestBio (fn () => ()) |
| 281 | in |
| 282 | Msg.send (bio, MsgGrant acl); |
| 283 | case Msg.recv bio of |
| 284 | NONE => print "Server closed connection unexpectedly.\n" |
| 285 | | SOME m => |
| 286 | case m of |
| 287 | MsgOk => print "Grant succeeded.\n" |
| 288 | | MsgError s => print ("Grant failed: " ^ s ^ "\n") |
| 289 | | _ => print "Unexpected server reply.\n"; |
| 290 | OpenSSL.close bio |
| 291 | end |
| 292 | |
| 293 | fun requestRevoke acl = |
| 294 | let |
| 295 | val (user, bio) = requestBio (fn () => ()) |
| 296 | in |
| 297 | Msg.send (bio, MsgRevoke acl); |
| 298 | case Msg.recv bio of |
| 299 | NONE => print "Server closed connection unexpectedly.\n" |
| 300 | | SOME m => |
| 301 | case m of |
| 302 | MsgOk => print "Revoke succeeded.\n" |
| 303 | | MsgError s => print ("Revoke failed: " ^ s ^ "\n") |
| 304 | | _ => print "Unexpected server reply.\n"; |
| 305 | OpenSSL.close bio |
| 306 | end |
| 307 | |
| 308 | fun requestListPerms user = |
| 309 | let |
| 310 | val (_, bio) = requestBio (fn () => ()) |
| 311 | in |
| 312 | Msg.send (bio, MsgListPerms user); |
| 313 | (case Msg.recv bio of |
| 314 | NONE => (print "Server closed connection unexpectedly.\n"; |
| 315 | NONE) |
| 316 | | SOME m => |
| 317 | case m of |
| 318 | MsgPerms perms => SOME perms |
| 319 | | MsgError s => (print ("Listing failed: " ^ s ^ "\n"); |
| 320 | NONE) |
| 321 | | _ => (print "Unexpected server reply.\n"; |
| 322 | NONE)) |
| 323 | before OpenSSL.close bio |
| 324 | end |
| 325 | |
| 326 | fun requestWhoHas perm = |
| 327 | let |
| 328 | val (_, bio) = requestBio (fn () => ()) |
| 329 | in |
| 330 | Msg.send (bio, MsgWhoHas perm); |
| 331 | (case Msg.recv bio of |
| 332 | NONE => (print "Server closed connection unexpectedly.\n"; |
| 333 | NONE) |
| 334 | | SOME m => |
| 335 | case m of |
| 336 | MsgWhoHasResponse users => SOME users |
| 337 | | MsgError s => (print ("whohas failed: " ^ s ^ "\n"); |
| 338 | NONE) |
| 339 | | _ => (print "Unexpected server reply.\n"; |
| 340 | NONE)) |
| 341 | before OpenSSL.close bio |
| 342 | end |
| 343 | |
| 344 | fun requestRegen () = |
| 345 | let |
| 346 | val (_, bio) = requestBio (fn () => ()) |
| 347 | in |
| 348 | Msg.send (bio, MsgRegenerate); |
| 349 | case Msg.recv bio of |
| 350 | NONE => print "Server closed connection unexpectedly.\n" |
| 351 | | SOME m => |
| 352 | case m of |
| 353 | MsgOk => print "Regeneration succeeded.\n" |
| 354 | | MsgError s => print ("Regeneration failed: " ^ s ^ "\n") |
| 355 | | _ => print "Unexpected server reply.\n"; |
| 356 | OpenSSL.close bio |
| 357 | end |
| 358 | |
| 359 | fun requestRmdom dom = |
| 360 | let |
| 361 | val (_, bio) = requestBio (fn () => ()) |
| 362 | in |
| 363 | Msg.send (bio, MsgRmdom dom); |
| 364 | case Msg.recv bio of |
| 365 | NONE => print "Server closed connection unexpectedly.\n" |
| 366 | | SOME m => |
| 367 | case m of |
| 368 | MsgOk => print "Removal succeeded.\n" |
| 369 | | MsgError s => print ("Removal failed: " ^ s ^ "\n") |
| 370 | | _ => print "Unexpected server reply.\n"; |
| 371 | OpenSSL.close bio |
| 372 | end |
| 373 | |
| 374 | fun regenerate context = |
| 375 | let |
| 376 | val b = basis () |
| 377 | val () = Tycheck.disallowExterns () |
| 378 | |
| 379 | val () = Domain.resetGlobal () |
| 380 | |
| 381 | fun contactNode (node, ip) = |
| 382 | if node = Config.defaultNode then |
| 383 | Domain.resetLocal () |
| 384 | else let |
| 385 | val bio = OpenSSL.connect (context, |
| 386 | ip |
| 387 | ^ ":" |
| 388 | ^ Int.toString Config.slavePort) |
| 389 | in |
| 390 | Msg.send (bio, MsgRegenerate); |
| 391 | case Msg.recv bio of |
| 392 | NONE => print "Slave closed connection unexpectedly\n" |
| 393 | | SOME m => |
| 394 | case m of |
| 395 | MsgOk => print ("Slave " ^ node ^ " pre-regeneration finished\n") |
| 396 | | MsgError s => print ("Slave " ^ node |
| 397 | ^ " returned error: " ^ |
| 398 | s ^ "\n") |
| 399 | | _ => print ("Slave " ^ node |
| 400 | ^ " returned unexpected command\n"); |
| 401 | OpenSSL.close bio |
| 402 | end |
| 403 | |
| 404 | fun doUser user = |
| 405 | let |
| 406 | val _ = Domain.setUser user |
| 407 | val _ = ErrorMsg.reset () |
| 408 | |
| 409 | val dname = Config.domtoolDir user |
| 410 | |
| 411 | val dir = Posix.FileSys.opendir dname |
| 412 | |
| 413 | fun loop files = |
| 414 | case Posix.FileSys.readdir dir of |
| 415 | NONE => (Posix.FileSys.closedir dir; |
| 416 | files) |
| 417 | | SOME fname => |
| 418 | if notTmp fname then |
| 419 | loop (OS.Path.joinDirFile {dir = dname, |
| 420 | file = fname} |
| 421 | :: files) |
| 422 | else |
| 423 | loop files |
| 424 | |
| 425 | val files = loop [] |
| 426 | val (_, files) = Order.order (SOME b) files |
| 427 | in |
| 428 | if !ErrorMsg.anyErrors then |
| 429 | print ("User " ^ user ^ "'s configuration has errors!\n") |
| 430 | else |
| 431 | app eval' files |
| 432 | end |
| 433 | handle IO.Io _ => () |
| 434 | | OS.SysErr (s, _) => print ("System error processing user " ^ user ^ ": " ^ s ^ "\n") |
| 435 | in |
| 436 | app contactNode Config.nodeIps; |
| 437 | Env.pre (); |
| 438 | app doUser (Acl.users ()); |
| 439 | Env.post () |
| 440 | end |
| 441 | |
| 442 | fun service () = |
| 443 | let |
| 444 | val () = Acl.read Config.aclFile |
| 445 | |
| 446 | val context = OpenSSL.context (Config.serverCert, |
| 447 | Config.serverKey, |
| 448 | Config.trustStore) |
| 449 | val _ = Domain.set_context context |
| 450 | |
| 451 | val sock = OpenSSL.listen (context, Config.dispatcherPort) |
| 452 | |
| 453 | fun loop () = |
| 454 | case OpenSSL.accept sock of |
| 455 | NONE => () |
| 456 | | SOME bio => |
| 457 | let |
| 458 | val user = OpenSSL.peerCN bio |
| 459 | val () = print ("\nConnection from " ^ user ^ "\n") |
| 460 | val () = Domain.setUser user |
| 461 | |
| 462 | fun doConfig codes = |
| 463 | let |
| 464 | val _ = print "Configuration:\n" |
| 465 | val _ = app (fn s => (print s; print "\n")) codes |
| 466 | val _ = print "\n" |
| 467 | |
| 468 | val outname = OS.FileSys.tmpName () |
| 469 | |
| 470 | fun doOne code = |
| 471 | let |
| 472 | val outf = TextIO.openOut outname |
| 473 | in |
| 474 | TextIO.output (outf, code); |
| 475 | TextIO.closeOut outf; |
| 476 | eval' outname |
| 477 | end |
| 478 | in |
| 479 | (Env.pre (); |
| 480 | app doOne codes; |
| 481 | Env.post (); |
| 482 | Msg.send (bio, MsgOk)) |
| 483 | handle ErrorMsg.Error => |
| 484 | (print "Compilation error\n"; |
| 485 | Msg.send (bio, |
| 486 | MsgError "Error during configuration evaluation")) |
| 487 | | OpenSSL.OpenSSL s => |
| 488 | (print "OpenSSL error\n"; |
| 489 | Msg.send (bio, |
| 490 | MsgError |
| 491 | ("Error during configuration evaluation: " |
| 492 | ^ s))); |
| 493 | OS.FileSys.remove outname; |
| 494 | (ignore (OpenSSL.readChar bio); |
| 495 | OpenSSL.close bio) |
| 496 | handle OpenSSL.OpenSSL _ => (); |
| 497 | loop () |
| 498 | end |
| 499 | |
| 500 | fun cmdLoop () = |
| 501 | case Msg.recv bio of |
| 502 | NONE => (OpenSSL.close bio |
| 503 | handle OpenSSL.OpenSSL _ => (); |
| 504 | loop ()) |
| 505 | | SOME m => |
| 506 | case m of |
| 507 | MsgConfig code => doConfig [code] |
| 508 | | MsgMultiConfig codes => doConfig codes |
| 509 | |
| 510 | | MsgGrant acl => |
| 511 | if Acl.query {user = user, class = "priv", value = "all"} then |
| 512 | ((Acl.grant acl; |
| 513 | Acl.write Config.aclFile; |
| 514 | Msg.send (bio, MsgOk); |
| 515 | print ("Granted permission " ^ #value acl ^ " to " ^ #user acl ^ " in " ^ #class acl ^ ".\n")) |
| 516 | handle OpenSSL.OpenSSL s => |
| 517 | (print "OpenSSL error\n"; |
| 518 | Msg.send (bio, |
| 519 | MsgError |
| 520 | ("Error during granting: " |
| 521 | ^ s))); |
| 522 | (ignore (OpenSSL.readChar bio); |
| 523 | OpenSSL.close bio) |
| 524 | handle OpenSSL.OpenSSL _ => (); |
| 525 | loop ()) |
| 526 | else |
| 527 | ((Msg.send (bio, MsgError "Not authorized to grant privileges"); |
| 528 | print "Unauthorized user asked to grant a permission!\n"; |
| 529 | ignore (OpenSSL.readChar bio); |
| 530 | OpenSSL.close bio) |
| 531 | handle OpenSSL.OpenSSL _ => (); |
| 532 | loop ()) |
| 533 | |
| 534 | | MsgRevoke acl => |
| 535 | if Acl.query {user = user, class = "priv", value = "all"} then |
| 536 | ((Acl.revoke acl; |
| 537 | Acl.write Config.aclFile; |
| 538 | Msg.send (bio, MsgOk); |
| 539 | print ("Revoked permission " ^ #value acl ^ " from " ^ #user acl ^ " in " ^ #class acl ^ ".\n")) |
| 540 | handle OpenSSL.OpenSSL s => |
| 541 | (print "OpenSSL error\n"; |
| 542 | Msg.send (bio, |
| 543 | MsgError |
| 544 | ("Error during revocation: " |
| 545 | ^ s))); |
| 546 | (ignore (OpenSSL.readChar bio); |
| 547 | OpenSSL.close bio) |
| 548 | handle OpenSSL.OpenSSL _ => (); |
| 549 | loop ()) |
| 550 | else |
| 551 | ((Msg.send (bio, MsgError "Not authorized to revoke privileges"); |
| 552 | print "Unauthorized user asked to revoke a permission!\n"; |
| 553 | ignore (OpenSSL.readChar bio); |
| 554 | OpenSSL.close bio) |
| 555 | handle OpenSSL.OpenSSL _ => (); |
| 556 | loop ()) |
| 557 | |
| 558 | | MsgListPerms user => |
| 559 | ((Msg.send (bio, MsgPerms (Acl.queryAll user)); |
| 560 | print ("Sent permission list for user " ^ user ^ ".\n")) |
| 561 | handle OpenSSL.OpenSSL s => |
| 562 | (print "OpenSSL error\n"; |
| 563 | Msg.send (bio, |
| 564 | MsgError |
| 565 | ("Error during permission listing: " |
| 566 | ^ s))); |
| 567 | (ignore (OpenSSL.readChar bio); |
| 568 | OpenSSL.close bio) |
| 569 | handle OpenSSL.OpenSSL _ => (); |
| 570 | loop ()) |
| 571 | |
| 572 | | MsgWhoHas perm => |
| 573 | ((Msg.send (bio, MsgWhoHasResponse (Acl.whoHas perm)); |
| 574 | print ("Sent whohas response for " ^ #class perm ^ " / " ^ #value perm ^ ".\n")) |
| 575 | handle OpenSSL.OpenSSL s => |
| 576 | (print "OpenSSL error\n"; |
| 577 | Msg.send (bio, |
| 578 | MsgError |
| 579 | ("Error during whohas: " |
| 580 | ^ s))); |
| 581 | (ignore (OpenSSL.readChar bio); |
| 582 | OpenSSL.close bio) |
| 583 | handle OpenSSL.OpenSSL _ => (); |
| 584 | loop ()) |
| 585 | |
| 586 | | MsgRmdom dom => |
| 587 | if Acl.query {user = user, class = "priv", value = "all"} |
| 588 | orelse Acl.query {user = user, class = "domain", value = dom} then |
| 589 | ((Domain.rmdom dom; |
| 590 | Msg.send (bio, MsgOk); |
| 591 | print ("Removed domain " ^ dom ^ ".\n")) |
| 592 | handle OpenSSL.OpenSSL s => |
| 593 | (print "OpenSSL error\n"; |
| 594 | Msg.send (bio, |
| 595 | MsgError |
| 596 | ("Error during revocation: " |
| 597 | ^ s))); |
| 598 | (ignore (OpenSSL.readChar bio); |
| 599 | OpenSSL.close bio) |
| 600 | handle OpenSSL.OpenSSL _ => (); |
| 601 | loop ()) |
| 602 | else |
| 603 | ((Msg.send (bio, MsgError "Not authorized to remove that domain"); |
| 604 | print "Unauthorized user asked to remove a domain!\n"; |
| 605 | ignore (OpenSSL.readChar bio); |
| 606 | OpenSSL.close bio) |
| 607 | handle OpenSSL.OpenSSL _ => (); |
| 608 | loop ()) |
| 609 | |
| 610 | | MsgRegenerate => |
| 611 | if Acl.query {user = user, class = "priv", value = "regen"} |
| 612 | orelse Acl.query {user = user, class = "priv", value = "all"} then |
| 613 | ((regenerate context; |
| 614 | Msg.send (bio, MsgOk); |
| 615 | print "Regenerated all configuration.\n") |
| 616 | handle OpenSSL.OpenSSL s => |
| 617 | (print "OpenSSL error\n"; |
| 618 | Msg.send (bio, |
| 619 | MsgError |
| 620 | ("Error during regeneration: " |
| 621 | ^ s))); |
| 622 | (ignore (OpenSSL.readChar bio); |
| 623 | OpenSSL.close bio) |
| 624 | handle OpenSSL.OpenSSL _ => (); |
| 625 | loop ()) |
| 626 | else |
| 627 | ((Msg.send (bio, MsgError "Not authorized to regeneration"); |
| 628 | print "Unauthorized user asked to regenerate!\n"; |
| 629 | ignore (OpenSSL.readChar bio); |
| 630 | OpenSSL.close bio) |
| 631 | handle OpenSSL.OpenSSL _ => (); |
| 632 | loop ()) |
| 633 | |
| 634 | | _ => |
| 635 | (Msg.send (bio, MsgError "Unexpected command") |
| 636 | handle OpenSSL.OpenSSL _ => (); |
| 637 | OpenSSL.close bio |
| 638 | handle OpenSSL.OpenSSL _ => (); |
| 639 | loop ()) |
| 640 | in |
| 641 | cmdLoop () |
| 642 | end |
| 643 | handle OpenSSL.OpenSSL s => |
| 644 | (print ("OpenSSL error: " ^ s ^ "\n"); |
| 645 | OpenSSL.close bio |
| 646 | handle OpenSSL.OpenSSL _ => (); |
| 647 | loop ()) |
| 648 | | OS.SysErr (s, _) => |
| 649 | (print ("System error: " ^ s ^ "\n"); |
| 650 | OpenSSL.close bio |
| 651 | handle OpenSSL.OpenSSL _ => (); |
| 652 | loop ()) |
| 653 | in |
| 654 | print "Listening for connections....\n"; |
| 655 | loop (); |
| 656 | OpenSSL.shutdown sock |
| 657 | end |
| 658 | |
| 659 | fun slave () = |
| 660 | let |
| 661 | val host = Slave.hostname () |
| 662 | |
| 663 | val context = OpenSSL.context (Config.certDir ^ "/" ^ host ^ ".pem", |
| 664 | Config.keyDir ^ "/" ^ host ^ "/key.pem", |
| 665 | Config.trustStore) |
| 666 | |
| 667 | val sock = OpenSSL.listen (context, Config.slavePort) |
| 668 | |
| 669 | fun loop () = |
| 670 | case OpenSSL.accept sock of |
| 671 | NONE => () |
| 672 | | SOME bio => |
| 673 | let |
| 674 | val peer = OpenSSL.peerCN bio |
| 675 | val () = print ("\nConnection from " ^ peer ^ "\n") |
| 676 | in |
| 677 | if peer <> Config.dispatcherName then |
| 678 | (print "Not authorized!\n"; |
| 679 | OpenSSL.close bio; |
| 680 | loop ()) |
| 681 | else let |
| 682 | fun loop' files = |
| 683 | case Msg.recv bio of |
| 684 | NONE => print "Dispatcher closed connection unexpectedly\n" |
| 685 | | SOME m => |
| 686 | case m of |
| 687 | MsgFile file => loop' (file :: files) |
| 688 | | MsgDoFiles => (Slave.handleChanges files; |
| 689 | Msg.send (bio, MsgOk)) |
| 690 | | MsgRegenerate => (Domain.resetLocal (); |
| 691 | Msg.send (bio, MsgOk)) |
| 692 | | _ => (print "Dispatcher sent unexpected command\n"; |
| 693 | Msg.send (bio, MsgError "Unexpected command")) |
| 694 | in |
| 695 | loop' []; |
| 696 | ignore (OpenSSL.readChar bio); |
| 697 | OpenSSL.close bio; |
| 698 | loop () |
| 699 | end |
| 700 | end handle OpenSSL.OpenSSL s => |
| 701 | (print ("OpenSSL error: "^ s ^ "\n"); |
| 702 | OpenSSL.close bio |
| 703 | handle OpenSSL.OpenSSL _ => (); |
| 704 | loop ()) |
| 705 | | OS.SysErr (s, _) => |
| 706 | (print ("System error: "^ s ^ "\n"); |
| 707 | OpenSSL.close bio |
| 708 | handle OpenSSL.OpenSSL _ => (); |
| 709 | loop ()) |
| 710 | in |
| 711 | loop (); |
| 712 | OpenSSL.shutdown sock |
| 713 | end |
| 714 | |
| 715 | fun autodocBasis outdir = |
| 716 | let |
| 717 | val dir = Posix.FileSys.opendir Config.libRoot |
| 718 | |
| 719 | fun loop files = |
| 720 | case Posix.FileSys.readdir dir of |
| 721 | NONE => (Posix.FileSys.closedir dir; |
| 722 | files) |
| 723 | | SOME fname => |
| 724 | if String.isSuffix ".dtl" fname then |
| 725 | loop (OS.Path.joinDirFile {dir = Config.libRoot, |
| 726 | file = fname} |
| 727 | :: files) |
| 728 | else |
| 729 | loop files |
| 730 | |
| 731 | val files = loop [] |
| 732 | in |
| 733 | Autodoc.autodoc {outdir = outdir, infiles = files} |
| 734 | end |
| 735 | |
| 736 | end |