scutil.tproj/commands.c

   1 /*
   2  * Copyright (c) 2000-2011, 2013, 2014, 2017 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 1, 2001                 Allan Nathanson <ajn@apple.com>
  28  * - public API conversion
  29  *
  30  * November 9, 2000             Allan Nathanson <ajn@apple.com>
  31  * - initial revision
  32  */
  33
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <sys/errno.h>
  37
  38 #include "scutil.h"
  39 #include "commands.h"
  40 #include "dictionary.h"
  41 #include "session.h"
  42 #include "cache.h"
  43 #include "notifications.h"
  44 #include "tests.h"
  45 #include "net.h"
  46 #include "prefs.h"
  47
  48
  49 __private_extern__
  50 const cmdInfo commands_store[] = {
  51         /* cmd          minArgs maxArgs func                    group   ctype                   */
  52         /*      usage                                                                           */
  53
  54         { "help",       0,      0,      do_help,                0,      0,
  55                 " help                          : list available commands"                      },
  56
  57         { "f.read",     1,      1,      do_readFile,            0,      0,
  58                 " f.read file                   : process commands from file"                   },
  59
  60         { "quit",       0,      0,      do_quit,                0,      0,
  61                 " quit                          : quit"                                         },
  62
  63         { "q",          0,      0,      do_quit,                0,      -1,
  64                 NULL                                                                            },
  65
  66         { "exit",       0,      0,      do_quit,                0,      -1,
  67                 NULL                                                                            },
  68
  69         /* local dictionary manipulation commands */
  70
  71         { "d.init",     0,      0,      do_dictInit,            1,      0,
  72                 " d.init                        : initialize (empty) dictionary"                },
  73
  74         { "d.show",     0,      0,      do_dictShow,            1,      0,
  75                 " d.show                        : show dictionary contents"                     },
  76
  77         { "d.add",      2,      101,    do_dictSetKey,          1,      0,
  78                 " d.add key [*#?] val [v2 ...]  : add information to dictionary\n"
  79                 "       (*=array, #=number, ?=boolean, %=hex data)"                             },
  80
  81         { "d.remove",   1,      1,      do_dictRemoveKey,       1,      0,
  82                 " d.remove key                  : remove key from dictionary"                   },
  83
  84         /* dynamic store manipulation commands */
  85
  86         { "open",       0,      1,      do_open,                2,      1,
  87                 " open [\"temporary\"]            : open a session with \"configd\""            },
  88
  89         { "close",      0,      0,      do_close,               2,      1,
  90                 " close                         : close current \"configd\" session"            },
  91
  92         { "block",      0,      1,      do_block,               3,      1,
  93                 " block [\"begin\" | \"end\"]     : block multiple data store transactions"     },
  94
  95         { "list",       0,      2,      do_list,                4,      0,
  96                 " list [pattern]                : list keys in data store"                      },
  97
  98         { "add",        1,      2,      do_add,                 4,      0,
  99                 " add key [\"temporary\"]         : add key in data store w/current dict"       },
 100
 101         { "get",        1,      1,      do_get,                 4,      0,
 102                 " get key                       : get dict from data store w/key"               },
 103
 104         { "set",        1,      1,      do_set,                 4,      0,
 105                 " set key                       : set key in data store w/current dict"         },
 106
 107         { "show",       1,      2,      do_show,                4,      0,
 108                 " show key [\"pattern\"]          : show values in data store w/key"            },
 109
 110         { "remove",     1,      1,      do_remove,              4,      0,
 111                 " remove key                    : remove key from data store"                   },
 112
 113         { "notify",     1,      1,      do_notify,              4,      0,
 114                 " notify key                    : notify key in data store"                     },
 115
 116         { "n.list",     0,      1,      do_notify_list,         5,      0,
 117                 " n.list [\"pattern\"]            : list notification keys"                     },
 118
 119         { "n.add",      1,      2,      do_notify_add,          5,      0,
 120                 " n.add key [\"pattern\"]         : add notification key"                       },
 121
 122         { "n.remove",   1,      2,      do_notify_remove,       5,      0,
 123                 " n.remove key [\"pattern\"]      : remove notification key"                    },
 124
 125         { "n.changes",  0,      0,      do_notify_changes,      5,      0,
 126                 " n.changes                     : list changed keys"                            },
 127
 128         { "n.watch",    0,      0,      do_notify_watch,        5,      0,
 129                 " n.watch                       : watch for changes"                            },
 130
 131         { "n.wait",     0,      0,      do_notify_wait,         5,      2,
 132                 " n.wait                        : wait for changes"                             },
 133
 134         { "n.signal",   1,      2,      do_notify_signal,       5,      2,
 135                 " n.signal sig [pid]            : signal changes"                               },
 136
 137         { "n.file",     0,      1,      do_notify_file,         5,      2,
 138                 " n.file [identifier]           : watch for changes via file"                   },
 139
 140         { "n.cancel",   0,      1,      do_notify_cancel,       5,      0,
 141                 " n.cancel                      : cancel notification requests"                 },
 142
 143         { "snapshot",   0,      1,      do_snapshot,            99,     2,
 144                 " snapshot [file]               : save snapshot of store and session data"      }
 145 };
 146 __private_extern__
 147 const int nCommands_store = (sizeof(commands_store)/sizeof(cmdInfo));
 148
 149
 150 __private_extern__
 151 const cmdInfo commands_net[] = {
 152         /* cmd          minArgs maxArgs func                    group   ctype                   */
 153         /*      usage                                                                           */
 154
 155         { "help",       0,      0,      do_help,                0,      0,
 156                 " help                          : list available commands"                      },
 157
 158         { "f.read",     1,      1,      do_readFile,            0,      0,
 159                 " f.read file                   : process commands from file"                   },
 160
 161         { "quit",       0,      1,      do_net_quit,            0,      0,
 162                 " quit [!]                      : quit"                                         },
 163
 164         { "q",          0,      1,      do_net_quit,            0,      -1,
 165                 NULL                                                                            },
 166
 167         { "exit",       0,      1,      do_net_quit,            0,      -1,
 168                 NULL                                                                            },
 169
 170         /* network configuration manipulation commands */
 171
 172         { "open",       0,      1,      do_net_open,            2,      1,
 173                 " open                          : open the network configuration"               },
 174
 175         { "commit",     0,      0,      do_net_commit,          2,      0,
 176                 " commit                        : commit any changes"                           },
 177
 178         { "apply",      0,      0,      do_net_apply,           2,      0,
 179                 " apply                         : apply any changes"                            },
 180
 181         { "close",      0,      1,      do_net_close,           2,      1,
 182                 " close [!]                     : close the network configuration"              },
 183
 184         { "create",     1,      3,      do_net_create,          3,      0,
 185                 " create interface <interfaceType> [ <interfaceName> | <interface#> ]\n"
 186                 " create protocol <protocolType>\n"
 187                 " create service [ <interfaceName> | <interface#> [ <serviceName> ]]\n"
 188                 " create set [setName]"                                                         },
 189
 190         { "disable",    1,      2,      do_net_disable,         4,      0,
 191                 " disable protocol [ <protocolType> ]\n"
 192                 " disable service  [ <serviceName> | <service#> ]"                              },
 193
 194         { "enable",     1,      2,      do_net_enable,          5,      0,
 195                 " enable protocol  [ <protocolType> ]\n"
 196                 " enable service   [ <serviceName> | <service#> ]"                              },
 197
 198         { "migrate",    2,      5,      do_net_migrate,         11,     0,
 199                 " migrate perform <old-configuration> <new-configuration> [<current-configuration>]\n"
 200                 " migrate validate <configuration> <expected-configuration>"},
 201
 202         { "remove",     1,      2,      do_net_remove,          6,      0,
 203                 " remove protocol  [ <protocolType> ]\n"
 204                 " remove service   [ <serviceName> | <service#> ]\n"
 205                 " remove set       [ <setName> | <set#> ]"                                      },
 206
 207         { "select",     2,      3,      do_net_select,          7,      0,
 208                 " select interface <interfaceName> | <interface#> | $child | $service | $vlan | $bond <memberName> | $bridge <memberName>\n"
 209                 " select protocol  <protocolType>\n"
 210                 " select service   <serviceName> | <service#>\n"
 211                 " select set       <setName> | <set#>"                                          },
 212
 213         { "set",        2,      101,    do_net_set,             8,      0,
 214                 " set interface context-sensitive-arguments (or ? for help)\n"
 215                 " set protocol  context-sensitive-arguments (or ? for help)\n"
 216                 " set service   [ name <serviceName> ] [ order new-order ] [ rank ("" | First | Last | Never | Scoped ) [temp] ] [ id <serviceID> ]\n"
 217                 " set set       [ name setName ] | [ current ] [ id <setID> ]"                  },
 218
 219         { "show",       1,      2,      do_net_show,            9,      0,
 220                 " show interfaces\n"
 221                 " show interface [ <interfaceName> | <interface#> ]\n"
 222                 " show protocols\n"
 223                 " show protocol  [ <protocolType> ]\n"
 224                 " show services  [ all ]\n"
 225                 " show service   [ <serviceName> | <service#> ]\n"
 226                 " show sets\n\n"
 227                 " show set       [ <setName> | <set#> ]"                                        },
 228
 229         { "update",     0,      1,      do_net_update,          10,     0,
 230                 " update                        : update the network configuration"             },
 231
 232         { "snapshot",   0,      0,      do_net_snapshot,        99,     2,
 233                 " snapshot"                                                                     }
 234
 235 };
 236 __private_extern__
 237 const int nCommands_net = (sizeof(commands_net)/sizeof(cmdInfo));
 238
 239
 240 __private_extern__
 241 const cmdInfo commands_prefs[] = {
 242         /* cmd          minArgs maxArgs func                    group   ctype                   */
 243         /*      usage                                                                           */
 244
 245         { "help",       0,      0,      do_help,                0,      0,
 246                 " help                          : list available commands"                      },
 247
 248         { "f.read",     1,      1,      do_readFile,            0,      0,
 249                 " f.read file                   : process commands from file"                   },
 250
 251         { "quit",       0,      1,      do_prefs_quit,          0,      0,
 252                 " quit [!]                      : quit"                                         },
 253
 254         { "q",          0,      1,      do_prefs_quit,          0,      -1,
 255                 NULL                                                                            },
 256
 257         { "exit",       0,      1,      do_prefs_quit,          0,      -1,
 258                 NULL                                                                            },
 259
 260         /* local dictionary manipulation commands */
 261
 262         { "d.init",     0,      0,      do_dictInit,            1,      0,
 263                 " d.init                        : initialize (empty) dictionary"                },
 264
 265         { "d.show",     0,      0,      do_dictShow,            1,      0,
 266                 " d.show                        : show dictionary contents"                     },
 267
 268         { "d.add",      2,      101,    do_dictSetKey,          1,      0,
 269                 " d.add key [*#?] val [v2 ...]  : add information to dictionary\n"
 270                 "       (*=array, #=number, ?=boolean, %=hex data)"                             },
 271
 272         { "d.remove",   1,      1,      do_dictRemoveKey,       1,      0,
 273                 " d.remove key                  : remove key from dictionary"                   },
 274
 275         /* data store manipulation commands */
 276
 277         { "open",       0,      1,      do_prefs_open,          2,      1,
 278                 " open [\"prefsID\"]            : open a \"preferences\" session"               },
 279
 280         { "lock",       0,      1,      do_prefs_lock,          3,      1,
 281                 " lock [wait]                   : locks write access to preferences"            },
 282
 283         { "commit",     0,      0,      do_prefs_commit,        2,      0,
 284                 " commit                        : commit any changes"                           },
 285
 286         { "apply",      0,      0,      do_prefs_apply,         2,      0,
 287                 " apply                         : apply any changes"                            },
 288
 289         { "unlock",     0,      0,      do_prefs_unlock,        3,      1,
 290                 " unlock                        : unlocks write access to preferences"          },
 291
 292         { "close",      0,      1,      do_prefs_close,         2,      1,
 293                 " close [!]                     : close current \"preference\" session"         },
 294
 295         { "synchronize",0,      1,      do_prefs_synchronize,   2,      0,
 296                 " synchronize            : synchronize a \"preferences\" session"               },
 297
 298         { "list",       0,      1,      do_prefs_list,          4,      0,
 299                 " list [path]                   : list preference paths"                        },
 300
 301         { "get",        1,      1,      do_prefs_get,           4,      0,
 302                 " get path                      : get dict from preferences w/path"             },
 303
 304         { "set",        1,      2,      do_prefs_set,           4,      0,
 305                 " set path                      : set path in preferences w/current dict\n"
 306                 " set path link                 : set path in preferences w/link"               },
 307
 308         { "remove",     1,      1,      do_prefs_remove,        4,      0,
 309                 " remove path                   : remove path from preferences"                 }
 310 };
 311 __private_extern__
 312 const int nCommands_prefs = (sizeof(commands_prefs)/sizeof(cmdInfo));
 313
 314
 315 __private_extern__ cmdInfo      *commands               = NULL;
 316 __private_extern__ int          nCommands               = 0;
 317 __private_extern__ Boolean      enablePrivateAPI        = FALSE;
 318 __private_extern__ Boolean      termRequested           = FALSE;
 319
 320
 321 __private_extern__
 322 void
 323 do_command(int argc, char **argv)
 324 {
 325         int     i;
 326         char    *cmd = argv[0];
 327
 328         for (i = 0; i < nCommands; i++) {
 329                 if ((commands[i].ctype > 1) && !enablePrivateAPI)  {
 330                         continue;       /* if "private" API and access has not been enabled */
 331                 }
 332
 333                 if (strcasecmp(cmd, commands[i].cmd) == 0) {
 334                         --argc;
 335                         argv++;
 336                         if (argc < commands[i].minArgs) {
 337                                 SCPrint(TRUE, stdout, CFSTR("%s: too few arguments\n"), cmd);
 338                                 return;
 339                         } else if (argc > commands[i].maxArgs) {
 340                                 SCPrint(TRUE, stdout, CFSTR("%s: too many arguments\n"), cmd);
 341                                 return;
 342                         }
 343                         (*commands[i].func)(argc, argv);
 344                         return;
 345                 }
 346         }
 347
 348         SCPrint(TRUE, stdout, CFSTR("%s: unknown, type \"help\" for command info\n"), cmd);
 349         return;
 350 }
 351
 352
 353 __private_extern__
 354 void
 355 do_help(int argc, char **argv)
 356 {
 357 #pragma unused(argc)
 358 #pragma unused(argv)
 359         int     g = -1;         /* current group */
 360         int     i;
 361
 362         SCPrint(TRUE, stdout, CFSTR("\nAvailable commands:\n"));
 363         for (i = 0; i < nCommands; i++) {
 364                 if (commands[i].ctype < 0)  {
 365                         continue;       /* if "hidden" */
 366                 }
 367
 368                 if ((commands[i].ctype > 0) && !enablePrivateAPI)  {
 369                         continue;       /* if "private" API and access has not been enabled */
 370                 }
 371
 372                 /* check if this is a new command group */
 373                 if (g != commands[i].group) {
 374                         SCPrint(TRUE, stdout, CFSTR("\n"));
 375                         g = commands[i].group;
 376                 }
 377
 378                 /* display the command */
 379                 SCPrint(TRUE, stdout, CFSTR("%s\n"), commands[i].usage);
 380         }
 381         SCPrint(TRUE, stdout, CFSTR("\n"));
 382
 383         return;
 384 }
 385
 386
 387 __private_extern__
 388 void
 389 do_readFile(int argc, char **argv)
 390 {
 391 #pragma unused(argc)
 392         InputRef                src;
 393
 394         /* allocate command input stream */
 395         src = (InputRef)CFAllocatorAllocate(NULL, sizeof(Input), 0);
 396         src->el = NULL;
 397         src->h  = NULL;
 398         src->fp = fopen(argv[0], "r");
 399
 400         if (src->fp == NULL) {
 401                 SCPrint(TRUE, stdout, CFSTR("f.read: could not open file (%s).\n"), strerror(errno));
 402                 CFAllocatorDeallocate(NULL, src);
 403                 return;
 404         }
 405
 406         /* open file, increase nesting level */
 407         SCPrint(TRUE, stdout, CFSTR("f.read: reading file (%s).\n"), argv[0]);
 408         nesting++;
 409
 410         while (TRUE) {
 411                 Boolean ok;
 412
 413                 ok = process_line(src);
 414                 if (!ok) {
 415                         break;
 416                 }
 417         }
 418
 419         (void)fclose(src->fp);
 420         CFAllocatorDeallocate(NULL, src);
 421
 422         return;
 423 }
 424
 425
 426 __private_extern__
 427 void
 428 do_quit(int argc, char **argv)
 429 {
 430 #pragma unused(argc)
 431 #pragma unused(argv)
 432         termRequested = TRUE;
 433         return;
 434 }