dhcp/patches/0004-dhcp-dhclient-options.patch

   1 diff -up dhcp-4.3.4/client/clparse.c.options dhcp-4.3.4/client/clparse.c
   2 --- dhcp-4.3.4/client/clparse.c.options 2016-03-22 14:16:51.000000000 +0100
   3 +++ dhcp-4.3.4/client/clparse.c 2016-04-29 12:06:13.485470579 +0200
   4 @@ -189,6 +189,7 @@ isc_result_t read_client_conf ()
   5         /* Requested lease time, used by DHCPv6 (DHCPv4 uses the option cache)
   6          */
   7         top_level_config.requested_lease = 7200;
   8 +       top_level_config.bootp_broadcast_always = 0;
   9
  10         group_allocate (&top_level_config.on_receipt, MDL);
  11         if (!top_level_config.on_receipt)
  12 @@ -394,7 +395,8 @@ void read_client_leases ()
  13         interface-declaration |
  14         LEASE client-lease-statement |
  15         ALIAS client-lease-statement |
  16 -       KEY key-definition */
  17 +       KEY key-definition |
  18 +       BOOTP_BROADCAST_ALWAYS */
  19
  20  void parse_client_statement (cfile, ip, config)
  21         struct parse *cfile;
  22 @@ -817,6 +819,12 @@ void parse_client_statement (cfile, ip,
  23                 parse_lease_id_format(cfile);
  24                 break;
  25
  26 +             case BOOTP_BROADCAST_ALWAYS:
  27 +               token = next_token(&val, (unsigned*)0, cfile);
  28 +               config -> bootp_broadcast_always = 1;
  29 +               parse_semi (cfile);
  30 +               return;
  31 +
  32
  33               default:
  34                 lose = 0;
  35 diff -up dhcp-4.3.4/client/dhclient.8.options dhcp-4.3.4/client/dhclient.8
  36 --- dhcp-4.3.4/client/dhclient.8.options        2016-03-22 14:16:51.000000000 +0100
  37 +++ dhcp-4.3.4/client/dhclient.8        2016-04-29 11:59:50.446590077 +0200
  38 @@ -134,6 +134,33 @@ dhclient - Dynamic Host Configuration Pr
  39  .B -w
  40  ]
  41  [
  42 +.B -B
  43 +]
  44 +[
  45 +.B -C
  46 +.I dhcp-client-identifier
  47 +]
  48 +[
  49 +.B -H
  50 +.I host-name
  51 +]
  52 +[
  53 +.B -F
  54 +.I fqdn.fqdn
  55 +]
  56 +[
  57 +.B -V
  58 +.I vendor-class-identifier
  59 +]
  60 +[
  61 +.B --request-options
  62 +.I request-option-list
  63 +]
  64 +[
  65 +.B --timeout
  66 +.I timeout
  67 +]
  68 +[
  69  .B -v
  70  ]
  71  [
  72 @@ -289,6 +316,69 @@ not to exit when it doesn't find any suc
  73  program can then be used to notify the client when a network interface
  74  has been added or removed, so that the client can attempt to configure an IP
  75  address on that interface.
  76 +
  77 +.TP
  78 +.BI \-B
  79 +Set the BOOTP broadcast flag in request packets so servers will always
  80 +broadcast replies.
  81 +
  82 +.TP
  83 +.BI \-C\ <dhcp-client-identifier>
  84 +Specify the dhcp-client-identifier option to send to the DHCP server.
  85 +
  86 +.TP
  87 +.BI \-H\ <host-name>
  88 +Specify the host-name option to send to the DHCP server.  The host-name
  89 +string only contains the client's hostname prefix, to which the server will
  90 +append the ddns-domainname or domain-name options, if any, to derive the
  91 +fully qualified domain name of the client.  The
  92 +.B -H
  93 +option cannot be used with the
  94 +.B -F
  95 +option.
  96 +
  97 +.TP
  98 +.BI \-F\ <fqdn.fqdn>
  99 +Specify the fqdn.fqdn option to send to the DHCP server.  This option cannot
 100 +be used with the
 101 +.B -H
 102 +option.  The fqdn.fqdn option must specify the complete domain name of the
 103 +client host, which the server may use for dynamic DNS updates.
 104 +
 105 +.TP
 106 +.BI \-V\ <vendor-class-identifier>
 107 +Specify the vendor-class-identifier option to send to the DHCP server.
 108 +
 109 +.TP
 110 +.BI \--request-options\ <option>[,<option>...]
 111 +Specify the list of options the client is to request from the server.  The
 112 +option list must be a single string consisting of option names separated
 113 +by at least one command and optional space characters.  The default option
 114 +list is:
 115 +
 116 +.BR
 117 +    subnet-mask, broadcast-address, time-offset, routers,
 118 +.BR
 119 +    domain-search, domain-name, domain-name-servers, host-name,
 120 +.BR
 121 +    nis-domain, nis-servers, ntp-servers, interface-mtu
 122 +
 123 +.TP
 124 +.B --request-options
 125 +option does not append options to the default request, it overrides the
 126 +default request list.  Keep this in mind if you want to request an
 127 +additional option besides the default request list.  You will have to
 128 +specify all option names for the
 129 +.B --request-options
 130 +parameter.
 131 +
 132 +.TP
 133 +.BI \--timeout\ <timeout>
 134 +Specify the time after which
 135 +.B dhclient
 136 +will decide that no DHCP servers can be contacted when no responses have been
 137 +received.
 138 +
 139  .TP
 140  .BI \-n
 141  Do not configure any interfaces.  This is most likely to be useful in
 142 diff -up dhcp-4.3.4/client/dhclient.c.options dhcp-4.3.4/client/dhclient.c
 143 --- dhcp-4.3.4/client/dhclient.c.options        2016-03-22 14:16:51.000000000 +0100
 144 +++ dhcp-4.3.4/client/dhclient.c        2016-04-29 12:12:14.182364093 +0200
 145 @@ -40,6 +40,12 @@
 146  #include <isc/file.h>
 147  #include <dns/result.h>
 148
 149 +/*
 150 + * Defined in stdio.h when _GNU_SOURCE is set, but we don't want to define
 151 + * that when building ISC code.
 152 + */
 153 +extern int asprintf(char **strp, const char *fmt, ...);
 154 +
 155  TIME default_lease_time = 43200; /* 12 hours... */
 156  TIME max_lease_time = 86400; /* 24 hours... */
 157
 158 @@ -100,6 +106,10 @@ char *mockup_relay = NULL;
 159
 160  char *progname = NULL;
 161
 162 +int bootp_broadcast_always = 0;
 163 +
 164 +extern struct option *default_requested_options[];
 165 +
 166  void run_stateless(int exit_mode, u_int16_t port);
 167
 168  static isc_result_t write_duid(struct data_string *duid);
 169 @@ -177,7 +187,11 @@ usage(const char *sfmt, const char *sarg
 170                   "                [-s server-addr] [-cf config-file]\n"
 171                   "                [-df duid-file] [-lf lease-file]\n"
 172                   "                [-pf pid-file] [--no-pid] [-e VAR=val]\n"
 173 -                 "                [-sf script-file] [interface]*",
 174 +                 "                [-sf script-file] [interface]*\n"
 175 +                 "                [-C <dhcp-client-identifier>] [-B]\n"
 176 +                 "                [-H <host-name> | -F <fqdn.fqdn>] [--timeout <timeout>]\n"
 177 +                 "                [-V <vendor-class-identifier>]\n"
 178 +                 "                [--request-options <request option list>]",
 179                   isc_file_basename(progname));
 180  }
 181
 182 @@ -214,6 +228,16 @@ main(int argc, char **argv) {
 183         progname = argv[0];
 184  #endif
 185
 186 +       char *dhcp_client_identifier_arg = NULL;
 187 +       char *dhcp_host_name_arg = NULL;
 188 +       char *dhcp_fqdn_arg = NULL;
 189 +       char *dhcp_vendor_class_identifier_arg = NULL;
 190 +       char *dhclient_request_options = NULL;
 191 +
 192 +       int timeout_arg = 0;
 193 +       char *arg_conf = NULL;
 194 +       int arg_conf_len = 0;
 195 +
 196         /* Initialize client globals. */
 197         memset(&default_duid, 0, sizeof(default_duid));
 198
 199 @@ -431,6 +455,88 @@ main(int argc, char **argv) {
 200                                          strlen(PACKAGE_VERSION)));
 201                         IGNORE_RET(write(STDERR_FILENO, "\n", 1));
 202                         exit(0);
 203 +               } else if (!strcmp(argv[i], "-C")) {
 204 +                       if ((++i == argc) || (argv[i] == NULL) || (*(argv[i])=='\0')) {
 205 +                               usage(use_noarg, argv[i-1]);
 206 +                               exit(1);
 207 +                       }
 208 +
 209 +                       if (strlen(argv[i]) >= DHCP_MAX_OPTION_LEN) {
 210 +                               log_error("-C option dhcp-client-identifier string \"%s\" is too long - maximum length is: %d", argv[i], DHCP_MAX_OPTION_LEN-1);
 211 +                               exit(1);
 212 +                       }
 213 +
 214 +                       dhcp_client_identifier_arg = argv[i];
 215 +               } else if (!strcmp(argv[i], "-B")) {
 216 +                       bootp_broadcast_always = 1;
 217 +               } else if (!strcmp(argv[i], "-H")) {
 218 +                       if ((++i == argc) || (argv[i] == NULL) || (*(argv[i])=='\0')) {
 219 +                               usage(use_noarg, argv[i-1]);
 220 +                               exit(1);
 221 +                       }
 222 +
 223 +                       if (strlen(argv[i]) >= DHCP_MAX_OPTION_LEN) {
 224 +                               log_error("-H option host-name string \"%s\" is too long - maximum length is: %d", argv[i], DHCP_MAX_OPTION_LEN-1);
 225 +                               exit(1);
 226 +                       }
 227 +
 228 +                       if (dhcp_host_name_arg != NULL) {
 229 +                               log_error("The -H <host-name> and -F <fqdn> arguments are mutually exclusive");
 230 +                               exit(1);
 231 +                       }
 232 +
 233 +                       dhcp_host_name_arg = argv[i];
 234 +               } else if (!strcmp(argv[i], "-F")) {
 235 +                       if ((++i == argc) || (argv[i] == NULL) || (*(argv[i])=='\0')) {
 236 +                               usage(use_noarg, argv[i-1]);
 237 +                               exit(1);
 238 +                       }
 239 +
 240 +                       if (strlen(argv[i]) >= DHCP_MAX_OPTION_LEN) {
 241 +                               log_error("-F option fqdn.fqdn string \"%s\" is too long - maximum length is: %d", argv[i], DHCP_MAX_OPTION_LEN-1);
 242 +                               exit(1);
 243 +                       }
 244 +
 245 +                       if (dhcp_fqdn_arg != NULL) {
 246 +                               log_error("Only one -F <fqdn> argument can be specified");
 247 +                               exit(1);
 248 +                       }
 249 +
 250 +                       if (dhcp_host_name_arg != NULL) {
 251 +                               log_error("The -F <fqdn> and -H <host-name> arguments are mutually exclusive");
 252 +                               exit(1);
 253 +                       }
 254 +
 255 +                       dhcp_fqdn_arg = argv[i];
 256 +               } else if (!strcmp(argv[i], "--timeout")) {
 257 +                       if ((++i == argc) || (argv[i] == NULL) || (*(argv[i])=='\0')) {
 258 +                               usage(use_noarg, argv[i-1]);
 259 +                               exit(1);
 260 +                       }
 261 +
 262 +                       if ((timeout_arg = atoi(argv[i])) <= 0) {
 263 +                               log_error("timeout option must be > 0 - bad value: %s",argv[i]);
 264 +                               exit(1);
 265 +                       }
 266 +               } else if (!strcmp(argv[i], "-V")) {
 267 +                       if ((++i == argc) || (argv[i] == NULL) || (*(argv[i])=='\0')) {
 268 +                               usage(use_noarg, argv[i-1]);
 269 +                               exit(1);
 270 +                       }
 271 +
 272 +                       if (strlen(argv[i]) >= DHCP_MAX_OPTION_LEN) {
 273 +                               log_error("-V option vendor-class-identifier string \"%s\" is too long - maximum length is: %d", argv[i], DHCP_MAX_OPTION_LEN-1);
 274 +                               exit(1);
 275 +                       }
 276 +
 277 +                       dhcp_vendor_class_identifier_arg = argv[i];
 278 +               } else if (!strcmp(argv[i], "--request-options")) {
 279 +                       if ((++i == argc) || (argv[i] == NULL) || (*(argv[i])=='\0')) {
 280 +                               usage(use_noarg, argv[i-1]);
 281 +                               exit(1);
 282 +                       }
 283 +
 284 +                       dhclient_request_options = argv[i];
 285                 } else if (argv[i][0] == '-') {
 286                         usage("Unknown command: %s", argv[i]);
 287                 } else if (interfaces_requested < 0) {
 288 @@ -630,6 +736,156 @@ main(int argc, char **argv) {
 289         /* Parse the dhclient.conf file. */
 290         read_client_conf();
 291
 292 +       /* Parse any extra command line configuration arguments: */
 293 +       if ((dhcp_client_identifier_arg != NULL) && (*dhcp_client_identifier_arg != '\0')) {
 294 +               arg_conf_len = asprintf(&arg_conf, "send dhcp-client-identifier \"%s\";", dhcp_client_identifier_arg);
 295 +
 296 +               if ((arg_conf == 0) || (arg_conf_len <= 0))
 297 +                       log_fatal("Unable to send -C option dhcp-client-identifier");
 298 +       }
 299 +
 300 +       if ((dhcp_host_name_arg != NULL) && (*dhcp_host_name_arg != '\0')) {
 301 +               if (arg_conf == 0) {
 302 +                       arg_conf_len = asprintf(&arg_conf, "send host-name \"%s\";", dhcp_host_name_arg);
 303 +
 304 +                       if ((arg_conf == 0) || (arg_conf_len <= 0))
 305 +                               log_fatal("Unable to send -H option host-name");
 306 +               } else {
 307 +                       char *last_arg_conf = arg_conf;
 308 +                       arg_conf = NULL;
 309 +                       arg_conf_len = asprintf(&arg_conf, "%s\nsend host-name \"%s\";", last_arg_conf, dhcp_host_name_arg);
 310 +
 311 +                       if ((arg_conf == 0) || (arg_conf_len <= 0))
 312 +                               log_fatal("Unable to send -H option host-name");
 313 +
 314 +                       free(last_arg_conf);
 315 +               }
 316 +       }
 317 +
 318 +       if ((dhcp_fqdn_arg != NULL) && (*dhcp_fqdn_arg != '\0')) {
 319 +               if (arg_conf == 0) {
 320 +                       arg_conf_len = asprintf(&arg_conf,  "send fqdn.fqdn \"%s\";", dhcp_fqdn_arg);
 321 +
 322 +                       if ((arg_conf == 0) || (arg_conf_len <= 0))
 323 +                               log_fatal("Unable to send -F option fqdn.fqdn");
 324 +               } else {
 325 +                       char *last_arg_conf = arg_conf;
 326 +                       arg_conf = NULL;
 327 +                       arg_conf_len = asprintf(&arg_conf, "%s\nsend fqdn.fqdn \"%s\";", last_arg_conf, dhcp_fqdn_arg);
 328 +
 329 +                       if ((arg_conf == 0)  || (arg_conf_len <= 0))
 330 +                               log_fatal("Unable to send -F option fqdn.fqdn");
 331 +
 332 +                       free(last_arg_conf);
 333 +               }
 334 +       }
 335 +
 336 +       if (timeout_arg) {
 337 +               if (arg_conf == 0) {
 338 +                       arg_conf_len = asprintf(&arg_conf,  "timeout %d;", timeout_arg);
 339 +
 340 +                       if ((arg_conf == 0) || (arg_conf_len <= 0))
 341 +                               log_fatal("Unable to process --timeout timeout argument");
 342 +               } else {
 343 +                       char *last_arg_conf = arg_conf;
 344 +                       arg_conf = NULL;
 345 +                       arg_conf_len = asprintf(&arg_conf, "%s\ntimeout %d;", last_arg_conf, timeout_arg);
 346 +
 347 +                       if ((arg_conf == 0) || (arg_conf_len == 0))
 348 +                               log_fatal("Unable to process --timeout timeout argument");
 349 +
 350 +                       free(last_arg_conf);
 351 +               }
 352 +       }
 353 +
 354 +       if ((dhcp_vendor_class_identifier_arg != NULL) && (*dhcp_vendor_class_identifier_arg != '\0')) {
 355 +               if (arg_conf == 0) {
 356 +                       arg_conf_len = asprintf(&arg_conf,  "send vendor-class-identifier \"%s\";", dhcp_vendor_class_identifier_arg);
 357 +
 358 +                       if ((arg_conf == 0) || (arg_conf_len <= 0))
 359 +                               log_fatal("Unable to send -V option vendor-class-identifier");
 360 +               } else {
 361 +                       char *last_arg_conf = arg_conf;
 362 +                       arg_conf = NULL;
 363 +                       arg_conf_len = asprintf(&arg_conf, "%s\nsend vendor-class-identifier \"%s\";", last_arg_conf, dhcp_vendor_class_identifier_arg);
 364 +
 365 +                       if ((arg_conf == 0) || (arg_conf_len <= 0))
 366 +                               log_fatal("Unable to send -V option vendor-class-identifier");
 367 +
 368 +                       free(last_arg_conf);
 369 +               }
 370 +       }
 371 +
 372 +       if (dhclient_request_options != NULL) {
 373 +               if (arg_conf == 0) {
 374 +                       arg_conf_len = asprintf(&arg_conf,  "request %s;", dhclient_request_options);
 375 +
 376 +                       if ((arg_conf == 0) || (arg_conf_len <= 0))
 377 +                               log_fatal("Unable to parse --request-options <request options list> argument");
 378 +               } else {
 379 +                       char *last_arg_conf = arg_conf;
 380 +                       arg_conf = NULL;
 381 +                       arg_conf_len = asprintf(&arg_conf, "%s\nrequest %s;", last_arg_conf, dhclient_request_options);
 382 +
 383 +                       if ((arg_conf == 0)  || (arg_conf_len <= 0))
 384 +                               log_fatal("Unable to parse --request-options <request options list> argument");
 385 +
 386 +                       free(last_arg_conf);
 387 +               }
 388 +       }
 389 +
 390 +       if (arg_conf) {
 391 +               if (arg_conf_len == 0)
 392 +                       if ((arg_conf_len = strlen(arg_conf)) == 0)
 393 +                               /* huh ? cannot happen ! */
 394 +                               log_fatal("Unable to process -C/-H/-F/--timeout/-V/--request-options configuration arguments");
 395 +
 396 +               /* parse the extra dhclient.conf configuration arguments
 397 +                * into top level config: */
 398 +               struct parse *cfile = (struct parse *)0;
 399 +               const char *val = NULL;
 400 +               int token;
 401 +
 402 +               status = new_parse(&cfile, -1, arg_conf, arg_conf_len, "extra dhclient -C/-H/-F/--timeout/-V/--request-options configuration arguments", 0);
 403 +
 404 +               if ((status != ISC_R_SUCCESS) || (cfile -> warnings_occurred))
 405 +                       log_fatal("Cannot parse -C/-H/-F/--timeout/-V/--request-options configuration arguments !");
 406 +               /* more detailed parse failures will be logged */
 407 +
 408 +               do {
 409 +                       token = peek_token(&val, (unsigned *)0, cfile);
 410 +                       if (token == END_OF_FILE)
 411 +                               break;
 412 +
 413 +                       parse_client_statement(cfile, (struct interface_info *)0, &top_level_config);
 414 +               } while (1);
 415 +
 416 +               if (cfile -> warnings_occurred)
 417 +                       log_fatal("Cannot parse -C/-H/-F/--timeout/-V/--request-options configuration arguments !");
 418 +               end_parse(&cfile);
 419 +
 420 +               if (timeout_arg) {
 421 +                       /* we just set the toplevel timeout, but per-client
 422 +                        * timeouts may still be at defaults.
 423 +                        */
 424 +                       for (ip=interfaces; ip; ip = ip->next) {
 425 +                               if (ip->client->config->timeout == 60)
 426 +                                       ip->client->config->timeout = timeout_arg;
 427 +                       }
 428 +               }
 429 +
 430 +               if ((dhclient_request_options != 0) && (top_level_config.requested_options != default_requested_options)) {
 431 +                       for (ip=interfaces; ip; ip = ip->next) {
 432 +                               if (ip->client->config->requested_options == default_requested_options)
 433 +                                       ip->client->config->requested_options = top_level_config.requested_options;
 434 +                       }
 435 +               }
 436 +
 437 +               free(arg_conf);
 438 +               arg_conf = NULL;
 439 +               arg_conf_len = 0;
 440 +       }
 441 +
 442         /* Parse the lease database. */
 443         read_client_leases();
 444
 445 @@ -3067,7 +3323,8 @@ void make_discover (client, lease)
 446         client -> packet.xid = random ();
 447         client -> packet.secs = 0; /* filled in by send_discover. */
 448
 449 -       if (can_receive_unicast_unconfigured (client -> interface))
 450 +       if ((!(bootp_broadcast_always || client->config->bootp_broadcast_always))
 451 +           && can_receive_unicast_unconfigured(client->interface))
 452                 client -> packet.flags = 0;
 453         else
 454                 client -> packet.flags = htons (BOOTP_BROADCAST);
 455 @@ -3152,7 +3409,9 @@ void make_request (client, lease)
 456         } else {
 457                 memset (&client -> packet.ciaddr, 0,
 458                         sizeof client -> packet.ciaddr);
 459 -               if (can_receive_unicast_unconfigured (client -> interface))
 460 +               if ((!(bootp_broadcast_always ||
 461 +                   client ->config->bootp_broadcast_always)) &&
 462 +                   can_receive_unicast_unconfigured (client -> interface))
 463                         client -> packet.flags = 0;
 464                 else
 465                         client -> packet.flags = htons (BOOTP_BROADCAST);
 466 @@ -3215,7 +3474,8 @@ void make_decline (client, lease)
 467         client -> packet.hops = 0;
 468         client -> packet.xid = client -> xid;
 469         client -> packet.secs = 0; /* Filled in by send_request. */
 470 -       if (can_receive_unicast_unconfigured (client -> interface))
 471 +       if ((!(bootp_broadcast_always || client->config-> bootp_broadcast_always))
 472 +           && can_receive_unicast_unconfigured (client->interface))
 473                 client -> packet.flags = 0;
 474         else
 475                 client -> packet.flags = htons (BOOTP_BROADCAST);
 476 diff -up dhcp-4.3.4/common/conflex.c.options dhcp-4.3.4/common/conflex.c
 477 --- dhcp-4.3.4/common/conflex.c.options 2016-04-29 11:59:50.448590077 +0200
 478 +++ dhcp-4.3.4/common/conflex.c 2016-04-29 12:13:23.637342420 +0200
 479 @@ -832,6 +832,8 @@ intern(char *atom, enum dhcp_token dfv)
 480                 if (!strcasecmp(atom+1, "ig-endian")) {
 481                         return TOKEN_BIG_ENDIAN;
 482                 }
 483 +               if (!strcasecmp (atom + 1, "ootp-broadcast-always"))
 484 +                       return BOOTP_BROADCAST_ALWAYS;
 485                 break;
 486               case 'c':
 487                 if (!strcasecmp(atom + 1, "ase"))
 488 diff -up dhcp-4.3.4/includes/dhcpd.h.options dhcp-4.3.4/includes/dhcpd.h
 489 --- dhcp-4.3.4/includes/dhcpd.h.options 2016-04-29 11:59:50.448590077 +0200
 490 +++ dhcp-4.3.4/includes/dhcpd.h 2016-04-29 12:14:05.361329401 +0200
 491 @@ -1246,6 +1246,9 @@ struct client_config {
 492
 493         int lease_id_format;            /* format for IDs in lease file,
 494                                            TOKEN_OCTAL or TOKEN_HEX */
 495 +
 496 +       int bootp_broadcast_always;     /* If nonzero, always set the BOOTP_BROADCAST
 497 +                                          flag in requests */
 498  };
 499
 500  /* Per-interface state used in the dhcp client... */
 501 diff -up dhcp-4.3.4/includes/dhctoken.h.options dhcp-4.3.4/includes/dhctoken.h
 502 --- dhcp-4.3.4/includes/dhctoken.h.options      2016-04-29 11:59:50.449590076 +0200
 503 +++ dhcp-4.3.4/includes/dhctoken.h      2016-04-29 12:15:03.073300846 +0200
 504 @@ -373,7 +373,8 @@ enum dhcp_token {
 505         TOKEN_BIG_ENDIAN = 675,
 506         LEASE_ID_FORMAT = 676,
 507         TOKEN_HEX = 677,
 508 -       TOKEN_OCTAL = 678
 509 +       TOKEN_OCTAL = 678,
 510 +       BOOTP_BROADCAST_ALWAYS = 679
 511  };
 512
 513  #define is_identifier(x)       ((x) >= FIRST_TOKEN &&  \