scutil.tproj/scutil.c

   1 /*
   2  * Copyright (c) 2000-2016 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  * June 13, 2005                Allan Nathanson <ajn@apple.com>
  28  * - added SCPreferences support
  29  *
  30  * August 4, 2004               Allan Nathanson <ajn@apple.com>
  31  * - added network configuration (prefs) support
  32  *
  33  * September 25, 2002           Allan Nathanson <ajn@apple.com>
  34  * - added command line history & editing
  35  *
  36  * July 9, 2001                 Allan Nathanson <ajn@apple.com>
  37  * - added "-r" option for checking network reachability
  38  * - added "-w" option to check/wait for the presence of a
  39  *   dynamic store key.
  40  *
  41  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  42  * - public API conversion
  43  *
  44  * November 9, 2000             Allan Nathanson <ajn@apple.com>
  45  * - initial revision
  46  */
  47
  48 #include <TargetConditionals.h>
  49 #include <ctype.h>
  50 #include <getopt.h>
  51 #include <stdio.h>
  52 #include <stdlib.h>
  53 #include <string.h>
  54 #include <termios.h>
  55 #include <unistd.h>
  56 #include <sysexits.h>
  57
  58 #ifdef  DEBUG
  59 #include <mach/mach.h>
  60 #include <mach/mach_error.h>
  61 #endif  /* DEBUG */
  62
  63 #include "scutil.h"
  64 #include "commands.h"
  65 #include "dictionary.h"
  66 #include "net.h"
  67 #include "nc.h"
  68 #include "prefs.h"
  69 #include "session.h"
  70 #include "tests.h"
  71
  72 #define LINE_LENGTH 2048
  73
  74 __private_extern__ AuthorizationRef     authorization   = NULL;
  75 __private_extern__ InputRef             currentInput    = NULL;
  76 __private_extern__ Boolean              doDispatch      = FALSE;
  77 __private_extern__ int                  nesting         = 0;
  78 __private_extern__ CFRunLoopRef         notifyRl        = NULL;
  79 __private_extern__ CFRunLoopSourceRef   notifyRls       = NULL;
  80 __private_extern__ SCPreferencesRef     prefs           = NULL;
  81 __private_extern__ SCDynamicStoreRef    store           = NULL;
  82 __private_extern__ CFPropertyListRef    value           = NULL;
  83 __private_extern__ CFMutableArrayRef    watchedKeys     = NULL;
  84 __private_extern__ CFMutableArrayRef    watchedPatterns = NULL;
  85
  86 static const struct option longopts[] = {
  87 //      { "debug",              no_argument,            NULL,   'd'     },
  88 //      { "dispatch",           no_argument,            NULL,   'D'     },
  89 //      { "verbose",            no_argument,            NULL,   'v'     },
  90 //      { "SPI",                no_argument,            NULL,   'p'     },
  91 //      { "check-reachability", required_argument,      NULL,   'r'     },
  92 //      { "timeout",            required_argument,      NULL,   't'     },
  93 //      { "wait-key",           required_argument,      NULL,   'w'     },
  94 //      { "watch-reachability", no_argument,            NULL,   'W'     },
  95         { "dns",                no_argument,            NULL,   0       },
  96         { "get",                required_argument,      NULL,   0       },
  97         { "error",              required_argument,      NULL,   0       },
  98         { "help",               no_argument,            NULL,   '?'     },
  99         { "nc",                 required_argument,      NULL,   0       },
 100         { "net",                no_argument,            NULL,   0       },
 101         { "nwi",                no_argument,            NULL,   0       },
 102         { "prefs",              no_argument,            NULL,   0       },
 103         { "proxy",              no_argument,            NULL,   0       },
 104         { "renew",              required_argument,      NULL,   0       },
 105         { "set",                required_argument,      NULL,   0       },
 106         { "snapshot",           no_argument,            NULL,   0       },
 107         { "user",               required_argument,      NULL,   0       },
 108         { "password",           required_argument,      NULL,   0       },
 109         { "secret",             required_argument,      NULL,   0       },
 110         { "log",                required_argument,      NULL,   0       },
 111         { "disable-until-needed", no_argument,  NULL,   0       },
 112         { NULL,                 0,                      NULL,   0       }
 113 };
 114
 115
 116 __private_extern__
 117 CFStringRef
 118 _copyStringFromSTDIN(CFStringRef prompt, CFStringRef defaultValue)
 119 {
 120         char            buf[1024];
 121         int             i;
 122         Boolean         is_user_prompt = (prompt != NULL && isatty(STDIN_FILENO) && isatty(STDOUT_FILENO));
 123         int             len;
 124         char            *modbuf;
 125         int             modlen;
 126         CFStringRef     utf8;
 127
 128         /* Print out a prompt to user that entry is desired */
 129         if (is_user_prompt) {
 130                 if (defaultValue != NULL) {
 131                         SCPrint(TRUE, stdout, CFSTR("%@ [%@]: "), prompt, defaultValue);
 132                 } else {
 133                         SCPrint(TRUE, stdout, CFSTR("%@: "), prompt);
 134                 }
 135         }
 136
 137         /* Get user input */
 138         if (fgets(buf, sizeof(buf), stdin) == NULL) {
 139                 return NULL;
 140         }
 141
 142         /* Prepare for trim */
 143         len = (int)strlen(buf);
 144         modbuf = buf;
 145         modlen = len;
 146
 147         /* Trim new-line */
 148         if ((modlen > 0) && (modbuf[modlen - 1] == '\n')) {
 149                 modbuf[modlen - 1] = '\0';
 150                 modlen--;
 151         }
 152
 153         /* If nothing was entered at the user prompt, set default */
 154         if (is_user_prompt && defaultValue != NULL && modlen == 0) {
 155                 CFRetain(defaultValue);
 156                 return defaultValue;
 157         }
 158
 159         /* Trim spaces from front */
 160         while (modlen > 0 && isspace(modbuf[0])) {
 161                 modbuf = &modbuf[1];
 162                 modlen--;
 163         }
 164
 165         /* Trim spaces from back */
 166         for (i = modlen - 1; i >= 0; i--) {
 167                 if (isspace(buf[i])) {
 168                         buf[i] = '\0';
 169                         modlen--;
 170                 } else {
 171                         break;
 172                 }
 173         }
 174
 175         utf8 = CFStringCreateWithBytes(NULL, (UInt8 *)modbuf, modlen, kCFStringEncodingUTF8, TRUE);
 176         return utf8;
 177 }
 178
 179 static char *
 180 getLine(char *buf, int len, InputRef src)
 181 {
 182         int     n;
 183
 184         if (src->el) {
 185                 int             count;
 186                 const char      *line;
 187
 188                 line = el_gets(src->el, &count);
 189                 if (line == NULL)
 190                         return NULL;
 191
 192                 strlcpy(buf, line, len);
 193         } else {
 194                 if (fgets(buf, len, src->fp) == NULL)
 195                         return NULL;
 196         }
 197
 198         n = (int)strlen(buf);
 199         if (buf[n-1] == '\n') {
 200                 /* the entire line fit in the buffer, remove the newline */
 201                 buf[n-1] = '\0';
 202         } else if (!src->el) {
 203                 /* eat the remainder of the line */
 204                 do {
 205                         n = fgetc(src->fp);
 206                 } while ((n != '\n') && (n != EOF));
 207         }
 208
 209         if (src->h && (buf[0] != '\0')) {
 210                 HistEvent       ev;
 211
 212                 history(src->h, &ev, H_ENTER, buf);
 213         }
 214
 215         return buf;
 216 }
 217
 218
 219 static char *
 220 getString(char **line)
 221 {
 222         char *s, *e, c, *string;
 223         int i, isQuoted = 0, escaped = 0;
 224
 225         if (*line == NULL) return NULL;
 226         if (**line == '\0') return NULL;
 227
 228         /* Skip leading white space */
 229         while (isspace(**line)) *line += 1;
 230
 231         /* Grab the next string */
 232         s = *line;
 233         if (*s == '\0') {
 234                 return NULL;                            /* no string available */
 235         } else if (*s == '"') {
 236                 isQuoted = 1;                           /* it's a quoted string */
 237                 s++;
 238         }
 239
 240         for (e = s; (c = *e) != '\0'; e++) {
 241                 if (isQuoted && (c == '"'))
 242                         break;                          /* end of quoted string */
 243                 if (c == '\\') {
 244                         e++;
 245                         if (*e == '\0')
 246                                 break;                  /* if premature end-of-string */
 247                         if ((*e == '"') || isspace(*e))
 248                                 escaped++;              /* if escaped quote or white space */
 249                 }
 250                 if (!isQuoted && isspace(c))
 251                         break;                          /* end of non-quoted string */
 252         }
 253
 254         string = malloc(e - s - escaped + 1);
 255
 256         for (i = 0; s < e; s++) {
 257                 string[i] = *s;
 258                 if (!((s[0] == '\\') && ((s[1] == '"') || isspace(s[1])))) i++;
 259         }
 260         string[i] = '\0';
 261
 262         if (isQuoted)
 263                 e++;                                    /* move past end of quoted string */
 264
 265         *line = e;
 266         return string;
 267 }
 268
 269
 270 __private_extern__
 271 Boolean
 272 process_line(InputRef src)
 273 {
 274         char    *arg;
 275         int     argc                    = 0;
 276         char    **argv                  = NULL;
 277         int     i;
 278         char    line[LINE_LENGTH];
 279         char    *s                      = line;
 280
 281         // if end-of-file, exit
 282         if (getLine(line, sizeof(line), src) == NULL)
 283                 return FALSE;
 284
 285         if (nesting > 0) {
 286                 SCPrint(TRUE, stdout, CFSTR("%d> %s\n"), nesting, line);
 287         }
 288
 289         // break up the input line
 290         while ((arg = getString(&s)) != NULL) {
 291                 if (argc == 0)
 292                         argv = (char **)malloc(2 * sizeof(char *));
 293                 else
 294                         argv = (char **)reallocf(argv, ((argc + 2) * sizeof(char *)));
 295                 argv[argc++] = arg;
 296         }
 297
 298         if (argc == 0) {
 299                 return TRUE;            // if no arguments
 300         }
 301
 302         /* process the command */
 303         if (*argv[0] != '#') {
 304                 argv[argc] = NULL;      // just in case...
 305                 currentInput = src;
 306                 do_command(argc, argv);
 307         }
 308
 309         /* free the arguments */
 310         for (i = 0; i < argc; i++) {
 311                 free(argv[i]);
 312         }
 313         free(argv);
 314
 315         return !termRequested;
 316 }
 317
 318
 319 static void
 320 usage(const char *command)
 321 {
 322         SCPrint(TRUE, stderr, CFSTR("usage: %s\n"), command);
 323         SCPrint(TRUE, stderr, CFSTR("\tinteractive access to the dynamic store.\n"));
 324         SCPrint(TRUE, stderr, CFSTR("\n"));
 325         SCPrint(TRUE, stderr, CFSTR("   or: %s --prefs [preference-file]\n"), command);
 326         SCPrint(TRUE, stderr, CFSTR("\tinteractive access to the [raw] stored preferences.\n"));
 327         SCPrint(TRUE, stderr, CFSTR("\n"));
 328         SCPrint(TRUE, stderr, CFSTR("   or: %s [-W] -r nodename\n"), command);
 329         SCPrint(TRUE, stderr, CFSTR("   or: %s [-W] -r address\n"), command);
 330         SCPrint(TRUE, stderr, CFSTR("   or: %s [-W] -r local-address remote-address\n"), command);
 331         SCPrint(TRUE, stderr, CFSTR("\tcheck reachability of node, address, or address pair (-W to \"watch\").\n"));
 332         SCPrint(TRUE, stderr, CFSTR("\n"));
 333         SCPrint(TRUE, stderr, CFSTR("   or: %s -w dynamic-store-key [ -t timeout ]\n"), command);
 334         SCPrint(TRUE, stderr, CFSTR("\t-w\twait for presense of dynamic store key\n"));
 335         SCPrint(TRUE, stderr, CFSTR("\t-t\ttime to wait for key\n"));
 336         SCPrint(TRUE, stderr, CFSTR("\n"));
 337         SCPrint(TRUE, stderr, CFSTR("   or: %s --get pref\n"), command);
 338         SCPrint(TRUE, stderr, CFSTR("   or: %s --set pref [newval]\n"), command);
 339         SCPrint(TRUE, stderr, CFSTR("   or: %s --get filename path key  \n"), command);
 340         SCPrint(TRUE, stderr, CFSTR("\tpref\tdisplay (or set) the specified preference.  Valid preferences\n"));
 341         SCPrint(TRUE, stderr, CFSTR("\t\tinclude:\n"));
 342         SCPrint(TRUE, stderr, CFSTR("\t\t\tComputerName, LocalHostName, HostName\n"));
 343         SCPrint(TRUE, stderr, CFSTR("\tnewval\tNew preference value to be set.  If not specified,\n"));
 344         SCPrint(TRUE, stderr, CFSTR("\t\tthe new value will be read from standard input.\n"));
 345         SCPrint(TRUE, stderr, CFSTR("\n"));
 346         SCPrint(TRUE, stderr, CFSTR("   or: %s --dns\n"), command);
 347         SCPrint(TRUE, stderr, CFSTR("\tshow DNS configuration.\n"));
 348         SCPrint(TRUE, stderr, CFSTR("\n"));
 349         SCPrint(TRUE, stderr, CFSTR("   or: %s --proxy\n"), command);
 350         SCPrint(TRUE, stderr, CFSTR("\tshow \"proxy\" configuration.\n"));
 351         SCPrint(TRUE, stderr, CFSTR("\n"));
 352         SCPrint(TRUE, stderr, CFSTR("   or: %s --nwi\n"), command);
 353         SCPrint(TRUE, stderr, CFSTR("\tshow network information\n"));
 354         SCPrint(TRUE, stderr, CFSTR("\n"));
 355         SCPrint(TRUE, stderr, CFSTR("   or: %s --nc\n"), command);
 356         SCPrint(TRUE, stderr, CFSTR("\tshow VPN network configuration information. Use --nc help for full command list\n"));
 357
 358         if (_sc_debug) {
 359                 SCPrint(TRUE, stderr, CFSTR("\n"));
 360                 SCPrint(TRUE, stderr, CFSTR("   or: %s --log IPMonitor [off|on]\n"), command);
 361                 SCPrint(TRUE, stderr, CFSTR("\tmanage logging.\n"));
 362
 363                 SCPrint(TRUE, stderr, CFSTR("\n"));
 364                 SCPrint(TRUE, stderr, CFSTR("   or: %s --disable-until-needed <interfaceName> [on|off ]\n"), command);
 365                 SCPrint(TRUE, stderr, CFSTR("\tmanage secondary interface demand.\n"));
 366         }
 367
 368         if (getenv("ENABLE_EXPERIMENTAL_SCUTIL_COMMANDS")) {
 369                 SCPrint(TRUE, stderr, CFSTR("\n"));
 370                 SCPrint(TRUE, stderr, CFSTR("   or: %s --net\n"), command);
 371                 SCPrint(TRUE, stderr, CFSTR("\tmanage network configuration.\n"));
 372         }
 373
 374         SCPrint(TRUE, stderr, CFSTR("\n"));
 375         SCPrint(TRUE, stderr, CFSTR("   or: %s --error err#\n"), command);
 376         SCPrint(TRUE, stderr, CFSTR("\tdisplay a descriptive message for the given error code\n"));
 377
 378         exit (EX_USAGE);
 379 }
 380
 381
 382 static char *
 383 prompt(EditLine *el)
 384 {
 385 #if     !TARGET_OS_SIMULATOR
 386         return "> ";
 387 #else   // !TARGET_OS_SIMULATOR
 388         return "sim> ";
 389 #endif  // !TARGET_OS_SIMULATOR
 390 }
 391
 392
 393 int
 394 main(int argc, char * const argv[])
 395 {
 396         Boolean                 disableUntilNeeded = FALSE;
 397         Boolean                 doDNS   = FALSE;
 398         Boolean                 doNet   = FALSE;
 399         Boolean                 doNWI   = FALSE;
 400         Boolean                 doPrefs = FALSE;
 401         Boolean                 doProxy = FALSE;
 402         Boolean                 doReach = FALSE;
 403         Boolean                 doSnap  = FALSE;
 404         char                    *error  = NULL;
 405         char                    *get    = NULL;
 406         char                    *log    = NULL;
 407         extern int              optind;
 408         int                     opt;
 409         int                     opti;
 410         const char              *prog   = argv[0];
 411         char                    *renew  = NULL;
 412         char                    *set    = NULL;
 413         char                    *nc_cmd = NULL;
 414         InputRef                src;
 415         int                     timeout = 15;   /* default timeout (in seconds) */
 416         char                    *wait   = NULL;
 417         Boolean                 watch   = FALSE;
 418         int                     xStore  = 0;    /* non dynamic store command line options */
 419
 420         /* process any arguments */
 421
 422         while ((opt = getopt_long(argc, argv, "dDvprt:w:W", longopts, &opti)) != -1)
 423                 switch(opt) {
 424                 case 'd':
 425                         _sc_debug = TRUE;
 426                         _sc_log   = FALSE;      /* enable framework logging */
 427                         break;
 428                 case 'D':
 429                         doDispatch = TRUE;
 430                         break;
 431                 case 'v':
 432                         _sc_verbose = TRUE;
 433                         _sc_log     = FALSE;    /* enable framework logging */
 434                         break;
 435                 case 'p':
 436                         enablePrivateAPI = TRUE;
 437                         break;
 438                 case 'r':
 439                         doReach = TRUE;
 440                         xStore++;
 441                         break;
 442                 case 't':
 443                         timeout = atoi(optarg);
 444                         break;
 445                 case 'w':
 446                         wait = optarg;
 447                         xStore++;
 448                         break;
 449                 case 'W':
 450                         watch = TRUE;
 451                         break;
 452                 case 0:
 453                         if        (strcmp(longopts[opti].name, "dns") == 0) {
 454                                 doDNS = TRUE;
 455                                 xStore++;
 456                         } else if (strcmp(longopts[opti].name, "error") == 0) {
 457                                 error = optarg;
 458                                 xStore++;
 459                         } else if (strcmp(longopts[opti].name, "get") == 0) {
 460                                 get = optarg;
 461                                 xStore++;
 462                         } else if (strcmp(longopts[opti].name, "nc") == 0) {
 463                                 nc_cmd = optarg;
 464                                 xStore++;
 465                         } else if (strcmp(longopts[opti].name, "net") == 0) {
 466                                 doNet = TRUE;
 467                                 xStore++;
 468                         } else if (strcmp(longopts[opti].name, "nwi") == 0) {
 469                                 doNWI = TRUE;
 470                                 xStore++;
 471                         } else if (strcmp(longopts[opti].name, "prefs") == 0) {
 472                                 doPrefs = TRUE;
 473                                 xStore++;
 474                         } else if (strcmp(longopts[opti].name, "proxy") == 0) {
 475                                 doProxy = TRUE;
 476                                 xStore++;
 477                         } else if (strcmp(longopts[opti].name, "renew") == 0) {
 478                                 renew = optarg;
 479                                 xStore++;
 480                         } else if (strcmp(longopts[opti].name, "set") == 0) {
 481                                 set = optarg;
 482                                 xStore++;
 483                         } else if (strcmp(longopts[opti].name, "snapshot") == 0) {
 484                                 doSnap = TRUE;
 485                                 xStore++;
 486                         } else if (strcmp(longopts[opti].name, "log") == 0) {
 487                                 log = optarg;
 488                                 xStore++;
 489                         } else if (strcmp(longopts[opti].name, "disable-until-needed") == 0) {
 490                                 disableUntilNeeded = TRUE;
 491                                 xStore++;
 492                         } else if (strcmp(longopts[opti].name, "user") == 0) {
 493                                 username = CFStringCreateWithCString(NULL, optarg, kCFStringEncodingUTF8);
 494                         } else if (strcmp(longopts[opti].name, "password") == 0) {
 495                                 password = CFStringCreateWithCString(NULL, optarg, kCFStringEncodingUTF8);
 496                         } else if (strcmp(longopts[opti].name, "secret") == 0) {
 497                                 sharedsecret = CFStringCreateWithCString(NULL, optarg, kCFStringEncodingUTF8);
 498                         }
 499                         break;
 500                 case '?':
 501                 default :
 502                         usage(prog);
 503                 }
 504         argc -= optind;
 505         argv += optind;
 506
 507         if (xStore > 1) {
 508                 // if we are attempting to process more than one type of request
 509                 usage(prog);
 510         }
 511
 512         /* are we checking (or watching) the reachability of a host/address */
 513         if (doReach) {
 514                 if (argc < 1) {
 515                         usage(prog);
 516                 }
 517                 if (watch) {
 518                         do_watchReachability(argc, (char **)argv);
 519                 } else {
 520                         do_checkReachability(argc, (char **)argv);
 521                 }
 522                 /* NOT REACHED */
 523         }
 524
 525         /* are we waiting on the presense of a dynamic store key */
 526         if (wait) {
 527                 do_wait(wait, timeout);
 528                 /* NOT REACHED */
 529         }
 530
 531         /* are we looking up the DNS configuration */
 532         if (doDNS) {
 533                 if (watch) {
 534                         do_watchDNSConfiguration(argc, (char **)argv);
 535                 } else {
 536                         do_showDNSConfiguration(argc, (char **)argv);
 537                 }
 538                 /* NOT REACHED */
 539         }
 540
 541         if (doNWI) {
 542                 if (watch) {
 543                         do_watchNWI(argc, (char**)argv);
 544                 } else {
 545                         do_showNWI(argc, (char**)argv);
 546                 }
 547                 /* NOT REACHED */
 548         }
 549
 550         if (doSnap) {
 551                 if (!enablePrivateAPI
 552 #if     !TARGET_OS_SIMULATOR
 553                     || (geteuid() != 0)
 554 #endif  // !TARGET_OS_SIMULATOR
 555                    ) {
 556                         usage(prog);
 557                 }
 558
 559                 do_open(0, NULL);       /* open the dynamic store */
 560                 do_snapshot(argc, (char**)argv);
 561                 exit(0);
 562         }
 563
 564         /* are we translating error #'s to descriptive text */
 565         if (error != NULL) {
 566                 int     sc_status       = atoi(error);
 567
 568                 SCPrint(TRUE, stdout, CFSTR("Error: 0x%08x %d %s\n"),
 569                         sc_status,
 570                         sc_status,
 571                         SCErrorString(sc_status));
 572                 exit(0);
 573         }
 574
 575         /* are we looking up a preference value */
 576         if (get) {
 577                 if (argc == 0) {
 578                         if (findPref(get) < 0) {
 579                                 usage(prog);
 580                         }
 581                 } else if (argc == 2) {
 582                         /*
 583                          * extended --get
 584                          *   i.e. scutil --get <filename> <prefs path> <key>
 585                          *
 586                          * need to go back one argument to re-use the 1st "--get"
 587                          * argument as the prefs path name
 588                          */
 589                         argc++;
 590                         argv--;
 591                 } else {
 592                         usage(prog);
 593                 }
 594
 595                 do_getPref(get, argc, (char **)argv);
 596                 /* NOT REACHED */
 597         }
 598
 599         /* are we looking up the proxy configuration */
 600         if (doProxy) {
 601                 do_showProxyConfiguration(argc, (char **)argv);
 602                 /* NOT REACHED */
 603         }
 604
 605         /* are we changing a preference value */
 606         if (set) {
 607                 if (findPref(set) < 0) {
 608                         usage(prog);
 609                 }
 610                 do_setPref(set, argc, (char **)argv);
 611                 /* NOT REACHED */
 612         }
 613
 614         /* verbose log */
 615         if (log != NULL) {
 616                 if (strcasecmp(log, "IPMonitor")) {
 617                         usage(prog);
 618                 }
 619                 do_log(log, argc, (char * *)argv);
 620                 /* NOT REACHED */
 621         }
 622
 623         /* disableUntilNeeded */
 624         if (disableUntilNeeded) {
 625                 do_disable_until_needed(argc, (char * *)argv);
 626                 /* NOT REACHED */
 627         }
 628         /* network connection commands */
 629         if (nc_cmd) {
 630                 if (find_nc_cmd(nc_cmd) < 0) {
 631                         usage(prog);
 632                 }
 633                 do_nc_cmd(nc_cmd, argc, (char **)argv, watch);
 634                 /* NOT REACHED */
 635         }
 636
 637         if (doNet) {
 638                 /* if we are going to be managing the network configuration */
 639                 commands  = (cmdInfo *)commands_net;
 640                 nCommands = nCommands_net;
 641
 642                 if (!getenv("ENABLE_EXPERIMENTAL_SCUTIL_COMMANDS")) {
 643                         usage(prog);
 644                 }
 645
 646                 do_net_init();                          /* initialization */
 647                 do_net_open(argc, (char **)argv);       /* open prefs */
 648         } else if (doPrefs) {
 649                 /* if we are going to be managing the network configuration */
 650                 commands  = (cmdInfo *)commands_prefs;
 651                 nCommands = nCommands_prefs;
 652
 653                 do_dictInit(0, NULL);                   /* start with an empty dictionary */
 654                 do_prefs_init();                        /* initialization */
 655                 do_prefs_open(argc, (char **)argv);     /* open prefs */
 656         } else {
 657                 /* if we are going to be managing the dynamic store */
 658                 commands  = (cmdInfo *)commands_store;
 659                 nCommands = nCommands_store;
 660
 661                 do_dictInit(0, NULL);   /* start with an empty dictionary */
 662                 do_open(0, NULL);       /* open the dynamic store */
 663         }
 664
 665         /* are we trying to renew a DHCP lease */
 666         if (renew != NULL) {
 667                 do_renew(renew);
 668                 /* NOT REACHED */
 669         }
 670
 671         /* allocate command input stream */
 672         src = (InputRef)CFAllocatorAllocate(NULL, sizeof(Input), 0);
 673         src->fp = stdin;
 674         src->el = NULL;
 675         src->h  = NULL;
 676
 677         if (isatty(fileno(src->fp))) {
 678                 int             editmode        = 1;
 679                 HistEvent       ev;
 680                 struct termios  t;
 681
 682                 if (tcgetattr(fileno(src->fp), &t) != -1) {
 683                         if ((t.c_lflag & ECHO) == 0) {
 684                                 editmode = 0;
 685                         }
 686                 }
 687                 src->el = el_init(prog, src->fp, stdout, stderr);
 688                 src->h  = history_init();
 689
 690                 (void)history(src->h, &ev, H_SETSIZE, INT_MAX);
 691                 el_set(src->el, EL_HIST, history, src->h);
 692
 693                 if (!editmode) {
 694                         el_set(src->el, EL_EDITMODE, 0);
 695                 }
 696
 697                 el_set(src->el, EL_EDITOR, "emacs");
 698                 el_set(src->el, EL_PROMPT, prompt);
 699
 700                 el_source(src->el, NULL);
 701
 702                 if ((el_get(src->el, EL_EDITMODE, &editmode) != -1) && editmode != 0) {
 703                         el_set(src->el, EL_SIGNAL, 1);
 704                 } else {
 705                         history_end(src->h);
 706                         src->h = NULL;
 707                         el_end(src->el);
 708                         src->el = NULL;
 709                 }
 710         }
 711
 712         while (TRUE) {
 713                 Boolean ok;
 714
 715                 ok = process_line(src);
 716                 if (!ok) {
 717                         break;
 718                 }
 719         }
 720
 721         /* close the socket, free resources */
 722         if (src->h)     history_end(src->h);
 723         if (src->el)    el_end(src->el);
 724         (void)fclose(src->fp);
 725         CFAllocatorDeallocate(NULL, src);
 726
 727         exit (EX_OK);   // insure the process exit status is 0
 728         return 0;       // ...and make main fit the ANSI spec.
 729 }