scutil.tproj/net.c

   1 /*
   2  * Copyright (c) 2004-2007, 2009-2011, 2014, 2016, 2017, 2019, 2020 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*
  25  * Modification History
  26  *
  27  * August 5, 2004                       Allan Nathanson <ajn@apple.com>
  28  * - initial revision
  29  */
  30
  31
  32 #include "scutil.h"
  33 #include "commands.h"
  34 #include "prefs.h"
  35 #include "net.h"
  36 #include "net_interface.h"
  37 #include "net_protocol.h"
  38 #include "net_service.h"
  39 #include "net_set.h"
  40
  41 #include "SCNetworkConfigurationInternal.h"
  42 #include "SCPreferencesInternal.h"
  43
  44 #include <unistd.h>
  45
  46
  47 __private_extern__ CFMutableArrayRef            new_interfaces  = NULL;
  48
  49 __private_extern__ CFArrayRef                   interfaces      = NULL;
  50 __private_extern__ CFArrayRef                   services        = NULL;
  51 __private_extern__ CFArrayRef                   protocols       = NULL;
  52 __private_extern__ CFArrayRef                   sets            = NULL;
  53
  54 __private_extern__ SCNetworkInterfaceRef        net_interface   = NULL;
  55 __private_extern__ SCNetworkServiceRef          net_service     = NULL;
  56 __private_extern__ SCNetworkProtocolRef         net_protocol    = NULL;
  57 __private_extern__ SCNetworkSetRef              net_set         = NULL;
  58
  59 __private_extern__ CFNumberRef                  CFNumberRef_0   = NULL;
  60 __private_extern__ CFNumberRef                  CFNumberRef_1   = NULL;
  61
  62
  63 /* -------------------- */
  64
  65
  66 __private_extern__
  67 CF_RETURNS_RETAINED CFNumberRef
  68 _copy_number(const char *arg)
  69 {
  70         int     val;
  71
  72         if (sscanf(arg, "%d", &val) != 1) {
  73                 return NULL;
  74         }
  75
  76         return CFNumberCreate(NULL, kCFNumberIntType, &val);
  77 }
  78
  79
  80 /* -------------------- */
  81
  82
  83 __private_extern__
  84 CFIndex
  85 _find_option(const char *option, optionsRef options, const int nOptions)
  86 {
  87         CFIndex i;
  88
  89         for (i = 0; i < nOptions; i++) {
  90                 if (strcasecmp(option, options[i].option) == 0) {
  91                         return i;
  92                 }
  93         }
  94
  95         return kCFNotFound;
  96 }
  97
  98
  99 __private_extern__
 100 CFIndex
 101 _find_selection(CFStringRef choice, selections choices[], unsigned int *flags)
 102 {
 103         CFIndex i;
 104
 105         i = 0;
 106         while (choices[i].selection != NULL) {
 107                 if (CFStringCompare(choice,
 108                                     choices[i].selection,
 109                                     kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
 110                         if (flags != NULL) {
 111                                 *flags = choices[i].flags;
 112                         }
 113                         return i;
 114                 }
 115                 i++;
 116         }
 117
 118         return kCFNotFound;
 119 }
 120
 121
 122 __private_extern__
 123 Boolean
 124 _process_options(optionsRef options, int nOptions, int argc, char **argv, CFMutableDictionaryRef newConfiguration)
 125 {
 126         while (argc > 0) {
 127                 CFIndex optionIndex     = kCFNotFound;
 128
 129                 optionIndex = _find_option(argv[0], options, nOptions);
 130                 if (optionIndex == kCFNotFound) {
 131                         SCPrint(TRUE, stdout, CFSTR("set what?\n"));
 132                         return FALSE;
 133                 }
 134                 argv++;
 135                 argc--;
 136
 137                 switch (options[optionIndex].type) {
 138                         case isOther :
 139                                 // all option processing is managed by the "handler"
 140                                 break;
 141                         case isHelp :
 142                                 SCPrint(TRUE, stdout, CFSTR("%s\n"), options[optionIndex].info);
 143                                 return FALSE;
 144                         case isChooseOne : {
 145                                 CFStringRef     choice;
 146                                 selections      *choices        = (selections *)options[optionIndex].info;
 147                                 unsigned int    flags;
 148                                 CFIndex         i;
 149
 150                                 if (argc < 1) {
 151                                         SCPrint(TRUE, stdout,
 152                                                 CFSTR("%s not specified\n"),
 153                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "selection");
 154                                         return FALSE;
 155                                 }
 156
 157                                 choice = CFStringCreateWithCString(NULL, argv[0], kCFStringEncodingUTF8);
 158                                 i = _find_selection(choice, choices, &flags);
 159                                 CFRelease(choice);
 160
 161                                 if (i != kCFNotFound) {
 162                                         if (choices[i].flags & selectionNotAvailable) {
 163                                                 SCPrint(TRUE, stdout,
 164                                                         CFSTR("cannot select %s\n"),
 165                                                         options[optionIndex].description != NULL ? options[optionIndex].description : "selection");
 166                                                         return FALSE;
 167                                         }
 168
 169                                         if (choices[i].key != NULL) {
 170                                                 CFDictionarySetValue(newConfiguration,
 171                                                                      *(options[optionIndex].key),
 172                                                                      *(choices[i].key));
 173                                         } else {
 174                                                 CFDictionaryRemoveValue(newConfiguration,
 175                                                                         *(options[optionIndex].key));
 176                                         }
 177                                 } else {
 178                                         SCPrint(TRUE, stdout,
 179                                                 CFSTR("invalid %s\n"),
 180                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "selection");
 181                                         return FALSE;
 182                                 }
 183
 184                                 argv++;
 185                                 argc--;
 186                                 break;
 187                         }
 188                         case isChooseMultiple :
 189                                 if (argc < 1) {
 190                                         SCPrint(TRUE, stdout,
 191                                                 CFSTR("%s(s) not specified\n"),
 192                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "selection");
 193                                         return FALSE;
 194                                 }
 195
 196                                 if (strlen(argv[0]) > 0) {
 197                                         CFIndex                 i;
 198                                         CFIndex                 n;
 199                                         CFMutableArrayRef       chosen;
 200                                         CFStringRef             str;
 201                                         CFArrayRef              str_array;
 202
 203                                         str = CFStringCreateWithCString(NULL, argv[0], kCFStringEncodingUTF8);
 204                                         str_array = CFStringCreateArrayBySeparatingStrings(NULL, str, CFSTR(","));
 205                                         CFRelease(str);
 206
 207                                         chosen = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
 208
 209                                         n = CFArrayGetCount(str_array);
 210                                         for (i = 0; i < n; i++) {
 211                                                 CFStringRef     choice;
 212                                                 selections      *choices        = (selections *)options[optionIndex].info;
 213                                                 unsigned int    flags;
 214                                                 CFIndex         j;
 215
 216                                                 choice = CFArrayGetValueAtIndex(str_array, i);
 217                                                 j = _find_selection(choice, choices, &flags);
 218
 219                                                 if (j != kCFNotFound) {
 220                                                         if (choices[j].flags & selectionNotAvailable) {
 221                                                                 SCPrint(TRUE, stdout,
 222                                                                         CFSTR("cannot select %s\n"),
 223                                                                         options[optionIndex].description != NULL ? options[optionIndex].description : "selection");
 224                                                                 CFArrayRemoveAllValues(chosen);
 225                                                                 break;
 226                                                         }
 227
 228                                                         CFArrayAppendValue(chosen, *(choices[j].key));
 229                                                 } else {
 230                                                         SCPrint(TRUE, stdout,
 231                                                                 CFSTR("invalid %s\n"),
 232                                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "selection");
 233                                                         CFArrayRemoveAllValues(chosen);
 234                                                         break;
 235                                                 }
 236                                         }
 237                                         CFRelease(str_array);
 238
 239                                         if (CFArrayGetCount(chosen) > 0) {
 240                                                 CFDictionarySetValue(newConfiguration, *(options[optionIndex].key), chosen);
 241                                         } else {
 242                                                 CFDictionaryRemoveValue(newConfiguration, *(options[optionIndex].key));
 243                                         }
 244                                         CFRelease(chosen);
 245                                 } else {
 246                                         CFDictionaryRemoveValue(newConfiguration, *(options[optionIndex].key));
 247                                 }
 248
 249                                 argv++;
 250                                 argc--;
 251                                 break;
 252                         case isBool :
 253                                 if (argc < 1) {
 254                                         SCPrint(TRUE, stdout,
 255                                                 CFSTR("%s not specified\n"),
 256                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "enable/disable");
 257                                         return FALSE;
 258                                 }
 259
 260                                 if        ((strcasecmp(argv[0], "disable") == 0) ||
 261                                            (strcasecmp(argv[0], "no"     ) == 0) ||
 262                                            (strcasecmp(argv[0], "off"    ) == 0) ||
 263                                            (strcasecmp(argv[0], "0"      ) == 0)) {
 264                                         CFDictionarySetValue(newConfiguration, *(options[optionIndex].key), kCFBooleanFalse);
 265                                 } else if ((strcasecmp(argv[0], "enable") == 0) ||
 266                                            (strcasecmp(argv[0], "yes"   ) == 0) ||
 267                                            (strcasecmp(argv[0], "on"   ) == 0) ||
 268                                            (strcasecmp(argv[0], "1"     ) == 0)) {
 269                                         CFDictionarySetValue(newConfiguration, *(options[optionIndex].key), kCFBooleanTrue);
 270                                 } else if (strcmp(argv[0], "") == 0) {
 271                                         CFDictionaryRemoveValue(newConfiguration, *(options[optionIndex].key));
 272                                 } else {
 273                                         SCPrint(TRUE, stdout, CFSTR("invalid value\n"));
 274                                         return FALSE;
 275                                 }
 276
 277                                 argv++;
 278                                 argc--;
 279                                 break;
 280                         case isBoolean :
 281                                 if (argc < 1) {
 282                                         SCPrint(TRUE, stdout,
 283                                                 CFSTR("%s not specified\n"),
 284                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "enable/disable");
 285                                         return FALSE;
 286                                 }
 287
 288                                 if        ((strcasecmp(argv[0], "disable") == 0) ||
 289                                            (strcasecmp(argv[0], "no"     ) == 0) ||
 290                                            (strcasecmp(argv[0], "off"    ) == 0) ||
 291                                            (strcasecmp(argv[0], "0"      ) == 0)) {
 292                                         CFDictionarySetValue(newConfiguration, *(options[optionIndex].key), CFNumberRef_0);
 293                                 } else if ((strcasecmp(argv[0], "enable") == 0) ||
 294                                            (strcasecmp(argv[0], "yes"   ) == 0) ||
 295                                            (strcasecmp(argv[0], "on"   ) == 0) ||
 296                                            (strcasecmp(argv[0], "1"     ) == 0)) {
 297                                         CFDictionarySetValue(newConfiguration, *(options[optionIndex].key), CFNumberRef_1);
 298                                 } else if (strcmp(argv[0], "") == 0) {
 299                                         CFDictionaryRemoveValue(newConfiguration, *(options[optionIndex].key));
 300                                 } else {
 301                                         SCPrint(TRUE, stdout, CFSTR("invalid value\n"));
 302                                         return FALSE;
 303                                 }
 304
 305                                 argv++;
 306                                 argc--;
 307                                 break;
 308                         case isNumber :
 309                                 if (argc < 1) {
 310                                         SCPrint(TRUE, stdout,
 311                                                 CFSTR("%s not specified\n"),
 312                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "value");
 313                                         return FALSE;
 314                                 }
 315
 316                                 if (strlen(argv[0]) > 0) {
 317                                         CFNumberRef     num;
 318
 319                                         num = _copy_number(argv[0]);
 320                                         if (num != NULL) {
 321                                                 CFDictionarySetValue(newConfiguration, *(options[optionIndex].key), num);
 322                                                 CFRelease(num);
 323                                         } else {
 324                                                 SCPrint(TRUE, stdout, CFSTR("invalid value\n"));
 325                                                 return FALSE;
 326                                         }
 327                                 } else {
 328                                         CFDictionaryRemoveValue(newConfiguration, *(options[optionIndex].key));
 329                                 }
 330
 331                                 argv++;
 332                                 argc--;
 333                                 break;
 334                         case isString :
 335                                 if (argc < 1) {
 336                                         SCPrint(TRUE, stdout,
 337                                                 CFSTR("%s not specified\n"),
 338                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "value");
 339                                         return FALSE;
 340                                 }
 341
 342                                 if (strlen(argv[0]) > 0) {
 343                                         CFStringRef     str;
 344
 345                                         str = CFStringCreateWithCString(NULL, argv[0], kCFStringEncodingUTF8);
 346                                         CFDictionarySetValue(newConfiguration, *(options[optionIndex].key), str);
 347                                         CFRelease(str);
 348                                 } else {
 349                                         CFDictionaryRemoveValue(newConfiguration, *(options[optionIndex].key));
 350                                 }
 351
 352                                 argv++;
 353                                 argc--;
 354                                 break;
 355                         case isStringArray :
 356                                 if (argc < 1) {
 357                                         SCPrint(TRUE, stdout,
 358                                                 CFSTR("%s(s) not specified\n"),
 359                                                 options[optionIndex].description != NULL ? options[optionIndex].description : "value");
 360                                         return FALSE;
 361                                 }
 362
 363                                 if (strlen(argv[0]) > 0) {
 364                                         CFStringRef     str;
 365                                         CFArrayRef      str_array;
 366
 367                                         str = CFStringCreateWithCString(NULL, argv[0], kCFStringEncodingUTF8);
 368                                         str_array = CFStringCreateArrayBySeparatingStrings(NULL, str, CFSTR(","));
 369                                         CFRelease(str);
 370
 371                                         CFDictionarySetValue(newConfiguration, *(options[optionIndex].key), str_array);
 372                                         CFRelease(str_array);
 373                                 } else {
 374                                         CFDictionaryRemoveValue(newConfiguration, *(options[optionIndex].key));
 375                                 }
 376
 377                                 argv++;
 378                                 argc--;
 379                                 break;
 380                 }
 381
 382                 if (options[optionIndex].handler != NULL) {
 383                         CFStringRef     key;
 384                         int             nArgs;
 385
 386                         key = options[optionIndex].key != NULL ? *(options[optionIndex].key) : NULL;
 387                         nArgs = (*options[optionIndex].handler)(key,
 388                                                                 options[optionIndex].description,
 389                                                                 options[optionIndex].info,
 390                                                                 argc,
 391                                                                 argv,
 392                                                                 newConfiguration);
 393                         if (nArgs < 0) {
 394                                 return FALSE;
 395                         }
 396
 397                         argv += nArgs;
 398                         argc -= nArgs;
 399                 }
 400         }
 401
 402         return TRUE;
 403 }
 404
 405
 406 /* -------------------- */
 407
 408
 409 #define N_QUICK 32
 410
 411 __private_extern__
 412 void
 413 _show_entity(CFDictionaryRef entity, CFStringRef prefix)
 414 {
 415         CFArrayRef              array;
 416         const void *            keys_q[N_QUICK];
 417         const void **           keys    = keys_q;
 418         CFIndex                 i;
 419         CFIndex                 n;
 420         CFMutableArrayRef       sorted;
 421
 422         n = CFDictionaryGetCount(entity);
 423         if (n > (CFIndex)(sizeof(keys_q) / sizeof(CFTypeRef))) {
 424                 keys = CFAllocatorAllocate(NULL, n * sizeof(CFTypeRef), 0);
 425         }
 426         CFDictionaryGetKeysAndValues(entity, keys, NULL);
 427
 428         array  = CFArrayCreate(NULL, keys, n, &kCFTypeArrayCallBacks);
 429         sorted = CFArrayCreateMutableCopy(NULL, n, array);
 430         if (n > 1) {
 431                 CFArraySortValues(sorted,
 432                                   CFRangeMake(0, n),
 433                                   (CFComparatorFunction)CFStringCompare,
 434                                   NULL);
 435         }
 436
 437         for (i = 0; i < n; i++) {
 438                 CFStringRef     key;
 439                 CFTypeRef       value;
 440
 441                 key   = CFArrayGetValueAtIndex(sorted, i);
 442                 value = CFDictionaryGetValue(entity, key);
 443                 if (isA_CFArray(value)) {
 444                         CFIndex         i;
 445                         CFIndex         n       = CFArrayGetCount(value);
 446
 447                         SCPrint(TRUE, stdout, CFSTR("%@    %@ = ("), prefix, key);
 448                         for (i = 0; i < n; i++) {
 449                                 CFTypeRef       val;
 450
 451                                 val = CFArrayGetValueAtIndex(value, i);
 452                                 SCPrint(TRUE, stdout,
 453                                         CFSTR("%s%@"),
 454                                         (i > 0) ? ", " : "",
 455                                         val);
 456                         }
 457                         SCPrint(TRUE, stdout, CFSTR(")\n"));
 458                 } else {
 459                         SCPrint(TRUE, stdout, CFSTR("%@    %@ = %@\n"), prefix, key, value);
 460                 }
 461         }
 462
 463         CFRelease(sorted);
 464         CFRelease(array);
 465         if (keys != keys_q) {
 466                 CFAllocatorDeallocate(NULL, keys);
 467         }
 468
 469         return;
 470 }
 471
 472
 473 /* -------------------- */
 474
 475
 476 static void
 477 _net_close()
 478 {
 479         if (net_interface != NULL) {
 480                 CFRelease(net_interface);
 481                 net_interface = NULL;
 482         }
 483
 484         if (net_service != NULL) {
 485                 CFRelease(net_service);
 486                 net_service = NULL;
 487         }
 488
 489         if (net_protocol != NULL) {
 490                 CFRelease(net_protocol);
 491                 net_protocol = NULL;
 492         }
 493
 494         if (net_set != NULL) {
 495                 CFRelease(net_set);
 496                 net_set = NULL;
 497         }
 498
 499         if (interfaces != NULL) {
 500                 CFRelease(interfaces);
 501                 interfaces = NULL;
 502         }
 503
 504         if (services != NULL) {
 505                 CFRelease(services);
 506                 services = NULL;
 507         }
 508
 509         if (protocols != NULL) {
 510                 CFRelease(protocols);
 511                 protocols = NULL;
 512         }
 513
 514         if (sets != NULL) {
 515                 CFRelease(sets);
 516                 sets = NULL;
 517         }
 518
 519         if (new_interfaces != NULL) {
 520                 CFRelease(new_interfaces);
 521                 new_interfaces = NULL;
 522         }
 523
 524         return;
 525 }
 526
 527
 528 __private_extern__
 529 void
 530 do_net_init()
 531 {
 532         int     one     = 1;
 533         int     zero    = 0;
 534
 535         CFNumberRef_0 = CFNumberCreate(NULL, kCFNumberIntType, &zero);
 536         CFNumberRef_1 = CFNumberCreate(NULL, kCFNumberIntType, &one);
 537
 538         return;
 539 }
 540
 541
 542 __private_extern__
 543 void
 544 do_net_open(int argc, char **argv)
 545 {
 546         Boolean         ok;
 547
 548         if (prefs != NULL) {
 549                 if (_prefs_commitRequired(argc, argv, "close")) {
 550                         return;
 551                 }
 552
 553                 _net_close();
 554                 _prefs_close();
 555         }
 556
 557         ok = _prefs_open(CFSTR("scutil --net"), (argc > 0) ? argv[0] : NULL);
 558         if (!ok) {
 559                 SCPrint(TRUE,
 560                         stdout,
 561                         CFSTR("Could not open prefs: %s\n"),
 562                         SCErrorString(SCError()));
 563                 return;
 564         }
 565
 566         net_set = SCNetworkSetCopyCurrent(prefs);
 567         if (net_set != NULL) {
 568                 CFStringRef     setName;
 569
 570                 setName = SCNetworkSetGetName(net_set);
 571                 if (setName != NULL) {
 572                         SCPrint(TRUE, stdout, CFSTR("set \"%@\" selected\n"), setName);
 573                 } else {
 574                         SCPrint(TRUE, stdout,
 575                                 CFSTR("set ID \"%@\" selected\n"),
 576                                 SCNetworkSetGetSetID(net_set));
 577                 }
 578         }
 579
 580         return;
 581 }
 582
 583
 584 __private_extern__
 585 void
 586 do_net_commit(int argc, char **argv)
 587 {
 588 #pragma unused(argc)
 589 #pragma unused(argv)
 590         if (!SCPreferencesCommitChanges(prefs)) {
 591                 SCPrint(TRUE, stdout, CFSTR("%s\n"), SCErrorString(SCError()));
 592                 return;
 593         }
 594
 595         _prefs_changed = FALSE;
 596         return;
 597 }
 598
 599
 600 __private_extern__
 601 void
 602 do_net_apply(int argc, char **argv)
 603 {
 604 #pragma unused(argc)
 605 #pragma unused(argv)
 606         if (!SCPreferencesApplyChanges(prefs)) {
 607                 SCPrint(TRUE, stdout, CFSTR("%s\n"), SCErrorString(SCError()));
 608         }
 609         return;
 610 }
 611
 612
 613 __private_extern__
 614 void
 615 do_net_close(int argc, char **argv)
 616 {
 617         if (_prefs_commitRequired(argc, argv, "close")) {
 618                 return;
 619         }
 620
 621         _net_close();
 622         _prefs_close();
 623
 624         return;
 625 }
 626
 627
 628 __private_extern__
 629 void
 630 do_net_quit(int argc, char **argv)
 631 {
 632         if (_prefs_commitRequired(argc, argv, "quit")) {
 633                 return;
 634         }
 635
 636         _net_close();
 637         _prefs_close();
 638
 639         termRequested = TRUE;
 640         return;
 641 }
 642
 643
 644 /* -------------------- */
 645
 646
 647 typedef void (*net_func) (int argc, char **argv);
 648
 649 static const struct {
 650         char            *key;
 651         net_func        create;
 652         net_func        disable;
 653         net_func        enable;
 654         net_func        select;
 655         net_func        set;
 656         net_func        show;
 657         net_func        remove;
 658 } net_keys[] = {
 659
 660         { "interfaces", NULL            , NULL            , NULL            ,
 661                         NULL            , NULL            , show_interfaces ,
 662                         NULL                                                },
 663
 664         { "interface",  create_interface, NULL            , NULL            ,
 665                         select_interface, set_interface   , show_interface  ,
 666                         NULL                                                },
 667
 668         { "services",   NULL            , NULL            , NULL            ,
 669                         NULL            , NULL            , show_services   ,
 670                         NULL                                                },
 671
 672         { "service",    create_service  , disable_service , enable_service  ,
 673                         select_service  , set_service     , show_service    ,
 674                         remove_service                                      },
 675
 676         { "protocols",  NULL            , NULL            , NULL            ,
 677                         NULL            , NULL            , show_protocols  ,
 678                         NULL                                                },
 679
 680         { "protocol",   create_protocol , disable_protocol, enable_protocol ,
 681                         select_protocol , set_protocol    , show_protocol   ,
 682                         remove_protocol                                     },
 683
 684         { "sets",       NULL            , NULL            , NULL            ,
 685                         NULL            , NULL            , show_sets       ,
 686                         NULL                                                },
 687
 688         { "set",        create_set      , NULL            , NULL            ,
 689                         select_set      , set_set         , show_set        ,
 690                         remove_set                                          }
 691
 692 };
 693 #define N_NET_KEYS      (sizeof(net_keys) / sizeof(net_keys[0]))
 694
 695
 696 static int
 697 findNetKey(char *key)
 698 {
 699         int     i;
 700
 701         for (i = 0; i < (int)N_NET_KEYS; i++) {
 702                 if (strcmp(key, net_keys[i].key) == 0) {
 703                         return i;
 704                 }
 705         }
 706
 707         return -1;
 708 }
 709
 710
 711 /* -------------------- */
 712
 713
 714 __private_extern__
 715 void
 716 do_net_create(int argc, char **argv)
 717 {
 718         char    *key;
 719         int     i;
 720
 721         key = argv[0];
 722         argv++;
 723         argc--;
 724
 725         i = findNetKey(key);
 726         if (i < 0) {
 727                 SCPrint(TRUE, stderr, CFSTR("create what?\n"));
 728                 return;
 729         }
 730
 731         if (net_keys[i].create == NULL) {
 732                 SCPrint(TRUE, stderr, CFSTR("create what?\n"));
 733                 return;
 734         }
 735
 736         (*net_keys[i].create)(argc, argv);
 737         return;
 738 }
 739
 740
 741 __private_extern__
 742 void
 743 do_net_disable(int argc, char **argv)
 744 {
 745         char    *key;
 746         int     i;
 747
 748         key = argv[0];
 749         argv++;
 750         argc--;
 751
 752         i = findNetKey(key);
 753         if (i < 0) {
 754                 SCPrint(TRUE, stderr, CFSTR("disable what?\n"));
 755                 return;
 756         }
 757
 758         if (net_keys[i].disable == NULL) {
 759                 SCPrint(TRUE, stderr, CFSTR("disable what?\n"));
 760                 return;
 761         }
 762
 763         (*net_keys[i].disable)(argc, argv);
 764         return;
 765 }
 766
 767
 768 __private_extern__
 769 void
 770 do_net_enable(int argc, char **argv)
 771 {
 772         char    *key;
 773         int     i;
 774
 775         key = argv[0];
 776         argv++;
 777         argc--;
 778
 779         i = findNetKey(key);
 780         if (i < 0) {
 781                 SCPrint(TRUE, stderr, CFSTR("enable what?\n"));
 782                 return;
 783         }
 784
 785         if (net_keys[i].enable == NULL) {
 786                 SCPrint(TRUE, stderr, CFSTR("enable what?\n"));
 787                 return;
 788         }
 789
 790         (*net_keys[i].enable)(argc, argv);
 791         return;
 792 }
 793
 794
 795 static void
 796 do_net_migrate_perform(int argc, char **argv)
 797 {
 798         char * sourceConfiguration = NULL;
 799         char * targetConfiguration = NULL;
 800         char * currentConfiguration = NULL;
 801         CFStringRef str = NULL;
 802         CFURLRef sourceConfigurationURL = NULL;
 803         CFURLRef targetConfigurationURL = NULL;
 804         CFURLRef currentConfigurationURL = NULL;
 805         CFArrayRef migrationFiles = NULL;
 806
 807         sourceConfiguration = argv[0];
 808         targetConfiguration = argv[1];
 809
 810         if (argc == 3) {
 811                 currentConfiguration = argv[2];
 812         }
 813
 814         SCPrint(_sc_debug, stdout,
 815                 CFSTR("sourceConfiguration: %s\n"
 816                       "targetConfiguration: %s\n"
 817                       "currentConfiguration: %s\n"),
 818                 sourceConfiguration,
 819                 targetConfiguration,
 820                 (currentConfiguration != NULL) ? currentConfiguration : "<current system>" );
 821
 822         str = CFStringCreateWithCString(NULL, sourceConfiguration, kCFStringEncodingUTF8);
 823         sourceConfigurationURL = CFURLCreateWithFileSystemPath(NULL, str, kCFURLPOSIXPathStyle, TRUE);
 824         CFRelease(str);
 825
 826         str = CFStringCreateWithCString(NULL, targetConfiguration, kCFStringEncodingUTF8);
 827         targetConfigurationURL = CFURLCreateWithFileSystemPath(NULL, str, kCFURLPOSIXPathStyle, TRUE);
 828         CFRelease(str);
 829
 830         if (currentConfiguration != NULL) {
 831                 str = CFStringCreateWithCString(NULL, currentConfiguration, kCFStringEncodingUTF8);
 832                 currentConfigurationURL = CFURLCreateWithFileSystemPath(NULL, str, kCFURLPOSIXPathStyle, TRUE);
 833                 CFRelease(str);
 834         }
 835
 836         migrationFiles = _SCNetworkConfigurationPerformMigration(sourceConfigurationURL, currentConfigurationURL, targetConfigurationURL, NULL);
 837
 838         if (migrationFiles != NULL) {
 839                 SCPrint(TRUE, stdout, CFSTR("Migration complete\n"));
 840                 SCPrint(_sc_debug, stdout, CFSTR("updated files: %@\n"), migrationFiles);
 841         } else {
 842                 SCPrint(TRUE, stdout, CFSTR("Migration failed\n"));
 843         }
 844
 845         if (sourceConfigurationURL != NULL) {
 846                 CFRelease(sourceConfigurationURL);
 847         }
 848         if (targetConfigurationURL != NULL) {
 849                 CFRelease(targetConfigurationURL);
 850         }
 851         if (currentConfigurationURL != NULL) {
 852                 CFRelease(currentConfigurationURL);
 853         }
 854         if (migrationFiles != NULL) {
 855                 CFRelease(migrationFiles);
 856         }
 857 }
 858
 859
 860 static void
 861 do_net_migrate_validate(int argc, char **argv)
 862 {
 863 #pragma unused(argc)
 864         char *configuration = NULL;
 865         CFURLRef configurationURL = NULL;
 866         char *expectedConfiguration = NULL;
 867         CFURLRef expectedConfigurationURL = NULL;
 868         Boolean isValid = FALSE;
 869         CFStringRef str = NULL;
 870
 871         configuration = argv[0];
 872         str = CFStringCreateWithCString(NULL, configuration, kCFStringEncodingUTF8);
 873         configurationURL = CFURLCreateWithFileSystemPath(NULL, str, kCFURLPOSIXPathStyle, TRUE);
 874         CFRelease(str);
 875
 876         expectedConfiguration = argv[1];
 877         str = CFStringCreateWithCString(NULL, expectedConfiguration, kCFStringEncodingUTF8);
 878         expectedConfigurationURL = CFURLCreateWithFileSystemPath(NULL, str, kCFURLPOSIXPathStyle, TRUE);
 879         CFRelease(str);
 880
 881         isValid = _SCNetworkMigrationAreConfigurationsIdentical(configurationURL, expectedConfigurationURL);
 882
 883         SCPrint(TRUE, stdout, CFSTR("Configuration at location %s %s\n"), configuration, isValid ? "is valid" : "is NOT valid");
 884
 885         if (configurationURL != NULL) {
 886                 CFRelease(configurationURL);
 887         }
 888         if (expectedConfigurationURL != NULL) {
 889                 CFRelease(expectedConfigurationURL);
 890         }
 891 }
 892
 893
 894 __private_extern__
 895 void
 896 do_net_migrate(int argc, char **argv)
 897 {
 898         char    *key;
 899
 900         key = argv[0];
 901         argv++;
 902         argc--;
 903
 904         if (strcmp(key, "perform") == 0) {
 905                 do_net_migrate_perform(argc, argv);
 906         } else if (strcmp(key, "validate") == 0) {
 907                 do_net_migrate_validate(argc, argv);
 908         } else {
 909                 SCPrint(TRUE, stderr, CFSTR("migrate what?\n"));
 910                 return;
 911         }
 912
 913 }
 914
 915
 916 __private_extern__
 917 void
 918 do_net_remove(int argc, char **argv)
 919 {
 920         char    *key;
 921         int     i;
 922
 923         key = argv[0];
 924         argv++;
 925         argc--;
 926
 927         i = findNetKey(key);
 928         if (i < 0) {
 929                 SCPrint(TRUE, stderr, CFSTR("remove what?\n"));
 930                 return;
 931         }
 932
 933         if (net_keys[i].remove == NULL) {
 934                 SCPrint(TRUE, stderr, CFSTR("remove what?\n"));
 935                 return;
 936         }
 937
 938         (*net_keys[i].remove)(argc, argv);
 939         return;
 940 }
 941
 942
 943 __private_extern__
 944 void
 945 do_net_select(int argc, char **argv)
 946 {
 947         char    *key;
 948         int     i;
 949
 950         key = argv[0];
 951         argv++;
 952         argc--;
 953
 954         i = findNetKey(key);
 955         if (i < 0) {
 956                 SCPrint(TRUE, stderr, CFSTR("select what?\n"));
 957                 return;
 958         }
 959
 960         if (*net_keys[i].select == NULL) {
 961                 SCPrint(TRUE, stderr, CFSTR("select what?\n"));
 962                 return;
 963         }
 964
 965         (*net_keys[i].select)(argc, argv);
 966         return;
 967 }
 968
 969
 970 __private_extern__
 971 void
 972 do_net_set(int argc, char **argv)
 973 {
 974         char    *key;
 975         int     i;
 976
 977         key = argv[0];
 978         argv++;
 979         argc--;
 980
 981         i = findNetKey(key);
 982         if (i < 0) {
 983                 SCPrint(TRUE, stderr, CFSTR("set what?\n"));
 984                 return;
 985         }
 986
 987         (*net_keys[i].set)(argc, argv);
 988         return;
 989 }
 990
 991
 992 __private_extern__
 993 void
 994 do_net_show(int argc, char **argv)
 995 {
 996         char    *key;
 997         int     i;
 998
 999         key = argv[0];
1000         argv++;
1001         argc--;
1002
1003         i = findNetKey(key);
1004         if (i < 0) {
1005                 SCPrint(TRUE, stderr, CFSTR("show what?\n"));
1006                 return;
1007         }
1008
1009         (*net_keys[i].show)(argc, argv);
1010         return;
1011 }
1012
1013
1014 __private_extern__
1015 void
1016 do_net_clean(int argc, char **argv)
1017 {
1018 #pragma unused(argc)
1019 #pragma unused(argv)
1020         Boolean         updated;
1021
1022         if (prefs == NULL) {
1023                 SCPrint(TRUE, stdout, CFSTR("network configuration not open\n"));
1024                 return;
1025         }
1026
1027         if (ni_prefs == NULL) {
1028                 ni_prefs = SCPreferencesCreateCompanion(prefs, INTERFACES_DEFAULT_CONFIG);
1029                 if (ni_prefs == NULL) {
1030                         SC_log(LOG_NOTICE, "SCPreferencesCreate( <NetworkInterfaces.plist> ) failed: %s", SCErrorString(SCError()));
1031                 }
1032         }
1033
1034         updated = __SCNetworkConfigurationClean(prefs, ni_prefs);
1035
1036         if (updated) {
1037                 SCPrint(TRUE, stdout,
1038                         CFSTR("network configuration updated, use \"commit\" to save\n"));
1039                 if ((prefsPath == NULL) || (strcmp(prefsPath, PREFS_DEFAULT_CONFIG_PLIST) == 0)) {
1040                         SCPrint(TRUE, stdout,
1041                                 CFSTR( "\n"
1042                                       "NOTE: because you have modified the system's \"live\" network configuration,\n"
1043                                       "      a <reboot> is also REQUIRED.\n"
1044                                       "\n"));
1045                 }
1046                 _prefs_changed = TRUE;
1047         } else {
1048                 SCPrint(TRUE, stdout, CFSTR("network configuration not updated\n"));
1049         }
1050
1051         return;
1052 }
1053
1054
1055 __private_extern__
1056 void
1057 do_net_update(int argc, char **argv)
1058 {
1059 #pragma unused(argc)
1060 #pragma unused(argv)
1061         SCNetworkSetRef set;
1062         Boolean         setCreated      = FALSE;
1063         Boolean         setUpdated      = FALSE;
1064
1065         if (prefs == NULL) {
1066                 SCPrint(TRUE, stdout, CFSTR("network configuration not open\n"));
1067                 return;
1068         }
1069
1070         if (net_set != NULL) {
1071                 set = CFRetain(net_set);
1072         } else {
1073                 set = SCNetworkSetCopyCurrent(prefs);
1074                 if (set == NULL) {
1075                         // if no "current" set, create a new/default ("Automatic") set
1076                         set = _SCNetworkSetCreateDefault(prefs);
1077                         if (set == NULL) {
1078                                 SCPrint(TRUE, stdout,
1079                                         CFSTR("could not initialize \"Automatic\" set: %s\n"),
1080                                         SCErrorString(SCError()));
1081                                 return;
1082                         }
1083
1084                         if (net_set != NULL) CFRelease(net_set);
1085                         net_set = set;
1086                         CFRetain(set);
1087
1088                         setCreated = TRUE;
1089
1090                         if (sets != NULL) {
1091                                 CFRelease(sets);
1092                                 sets = NULL;
1093                         }
1094                 }
1095         }
1096
1097         setUpdated = SCNetworkSetEstablishDefaultConfiguration(set);
1098         if (setUpdated) {
1099                 CFStringRef     setName;
1100
1101                 _prefs_changed = TRUE;
1102
1103                 setName = SCNetworkSetGetName(set);
1104                 if (setName != NULL) {
1105                         SCPrint(TRUE, stdout,
1106                                 CFSTR("set \"%@\" (%@) %supdated\n"),
1107                                 setName,
1108                                 SCNetworkSetGetSetID(set),
1109                                 setCreated ? "created, selected, and " : "");
1110                 } else {
1111                         SCPrint(TRUE, stdout,
1112                                 CFSTR("set ID \"%@\" %supdated\n"),
1113                                 SCNetworkSetGetSetID(set),
1114                                 setCreated ? "created, selected, and " : "");
1115                 }
1116                 _prefs_changed = TRUE;
1117         }
1118
1119         CFRelease(set);
1120         return;
1121 }
1122
1123
1124 __private_extern__
1125 void
1126 do_net_upgrade(int argc, char **argv)
1127 {
1128         Boolean         do_commit       = FALSE;
1129         Boolean         upgraded;
1130
1131         if (prefs == NULL) {
1132                 SCPrint(TRUE, stdout, CFSTR("network configuration not open\n"));
1133                 return;
1134         }
1135
1136         if (prefsPath != NULL) {
1137                 const char      *prefs_plist;
1138
1139                 prefs_plist = strrchr(prefsPath, '/');
1140                 if (prefs_plist != NULL) {
1141                         prefs_plist++;
1142                 } else {
1143                         prefs_plist = prefsPath;
1144                 }
1145
1146                 if (strcmp(prefs_plist, PREFS_DEFAULT_CONFIG_PLIST) != 0) {
1147                         SCPrint(TRUE, stdout, CFSTR("not updating a \"preferences.plist\" file\n"));
1148                         return;
1149                 }
1150         }
1151
1152         if (argc > 0) {
1153                 if (strcmp(argv[0], PREFS_DEFAULT_CONFIG_PLIST) == 0) {
1154                         upgraded = __SCNetworkConfigurationUpgrade(&prefs, NULL, do_commit);
1155                 } else if (strcmp(argv[0], INTERFACES_DEFAULT_CONFIG_PLIST) == 0) {
1156                         if (ni_prefs == NULL) {
1157                                 ni_prefs = SCPreferencesCreateCompanion(prefs, INTERFACES_DEFAULT_CONFIG);
1158                                 if (ni_prefs == NULL) {
1159                                         SC_log(LOG_NOTICE, "SCPreferencesCreate( <NetworkInterfaces.plist> ) failed: %s", SCErrorString(SCError()));
1160                                 }
1161                         }
1162
1163                         do_commit = TRUE;       // using alternate, created on-the-fly preferences.plist
1164
1165                         upgraded = __SCNetworkConfigurationUpgrade(NULL, &ni_prefs, do_commit);
1166                 } else {
1167                         SCPrint(TRUE, stdout, CFSTR("invalid .plist (\"preferences.plist\", \"NetworkInterfaces.plist\"\n"));
1168                         return;
1169                 }
1170         } else {
1171                 upgraded = __SCNetworkConfigurationUpgrade(&prefs, &ni_prefs, do_commit);
1172         }
1173
1174         if (upgraded) {
1175                 SCPrint(TRUE, stdout,
1176                         do_commit ? CFSTR("network configuration upgraded/saved\n")
1177                                   : CFSTR("network configuration upgraded, use \"commit\" to save\n"));
1178                 if ((prefsPath == NULL) || (strcmp(prefsPath, PREFS_DEFAULT_CONFIG_PLIST) == 0)) {
1179                         SCPrint(TRUE, stdout,
1180                                 do_commit ? CFSTR("\n"
1181                                                   "NOTE: because you have modified the system's \"live\" network configuration,\n"
1182                                                   "      a <reboot> is also REQUIRED.\n"
1183                                                   "\n")
1184
1185                                           : CFSTR("\n"
1186                                                   "NOTE: because you are modifying the system's \"live\" network configuration,\n"
1187                                                   "      a <reboot> will also be REQUIRED.\n"
1188                                                   "\n")
1189                                 );
1190                 }
1191
1192                 if (!do_commit) {
1193                         _prefs_changed = TRUE;
1194                 }
1195         } else {
1196                 SCPrint(TRUE, stdout, CFSTR("network configuration upgrade not needed\n"));
1197         }
1198
1199         return;
1200 }
1201
1202
1203 #include "SCPreferencesInternal.h"
1204 #include <fcntl.h>
1205 #include <unistd.h>
1206 __private_extern__
1207 void
1208 do_net_snapshot(int argc, char **argv)
1209 {
1210 #pragma unused(argc)
1211 #pragma unused(argv)
1212         if (prefs == NULL) {
1213                 SCPrint(TRUE, stdout, CFSTR("network configuration not open\n"));
1214                 return;
1215         }
1216
1217         if (prefs != NULL) {
1218                 SCPreferencesPrivateRef prefsPrivate    = (SCPreferencesPrivateRef)prefs;
1219
1220                 if (prefsPrivate->prefs != NULL) {
1221                         int             fd;
1222                         static int      n_snapshot      = 0;
1223                         char            *path;
1224                         CFDataRef       xmlData;
1225
1226                         asprintf(&path, "/tmp/prefs_snapshot_%d", n_snapshot++);
1227                         (void)unlink(path);
1228                         fd = open(path, O_WRONLY|O_CREAT|O_TRUNC|O_EXCL, 0644);
1229                         free(path);
1230                         if (fd == -1) {
1231                                 SCPrint(TRUE, stdout, CFSTR("could not write snapshot: open() failed : %s\n"), strerror(errno));
1232                                 return;
1233                         }
1234
1235                         xmlData = CFPropertyListCreateData(NULL, prefsPrivate->prefs, kCFPropertyListXMLFormat_v1_0, 0, NULL);
1236                         if (xmlData != NULL) {
1237                                 (void) write(fd, CFDataGetBytePtr(xmlData), CFDataGetLength(xmlData));
1238                                 CFRelease(xmlData);
1239                         } else {
1240                                 SCPrint(TRUE, stdout, CFSTR("could not write snapshot: CFPropertyListCreateData() failed\n"));
1241                         }
1242
1243                         (void) close(fd);
1244                 } else {
1245                         SCPrint(TRUE, stdout, CFSTR("prefs have not been accessed\n"));
1246                 }
1247         }
1248
1249         return;
1250 }