release/src/router/shared/misc.c

   1 /*
   2
   3         Tomato Firmware
   4         Copyright (C) 2006-2009 Jonathan Zarate
   5
   6 */
   7 #include <string.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <fcntl.h>
  12 #include <sys/stat.h>
  13 #include <stdarg.h>
  14 #include <syslog.h>
  15 #include <sys/ioctl.h>
  16 #include <net/if.h>
  17 #include <netinet/in.h>
  18 #include <sys/socket.h>
  19 #include <arpa/inet.h>
  20 #include <ifaddrs.h>
  21 #include <sys/sysinfo.h>
  22 #include <sys/types.h>
  23 #include <sys/wait.h>
  24
  25 #include <bcmnvram.h>
  26 #include <bcmdevs.h>
  27 #include <wlutils.h>
  28
  29 #include "shutils.h"
  30 #include "shared.h"
  31
  32
  33 int get_wan_proto(void)
  34 {
  35         const char *names[] = { // order must be synced with def at shared.h
  36                 "static",
  37                 "dhcp",
  38                 "l2tp",
  39                 "pppoe",
  40                 "pptp",
  41                 NULL
  42         };
  43         int i;
  44         const char *p;
  45
  46         p = nvram_safe_get("wan_proto");
  47         for (i = 0; names[i] != NULL; ++i) {
  48                 if (strcmp(p, names[i]) == 0) return i + 1;
  49         }
  50         return WP_DISABLED;
  51 }
  52
  53 #ifdef TCONFIG_IPV6
  54 int get_ipv6_service(void)
  55 {
  56         const char *names[] = { // order must be synced with def at shared.h
  57                 "native",       // IPV6_NATIVE
  58                 "native-pd",    // IPV6_NATIVE_DHCP
  59                 "6to4",         // IPV6_ANYCAST_6TO4
  60                 "sit",          // IPV6_6IN4
  61                 "other",        // IPV6_MANUAL
  62                 NULL
  63         };
  64         int i;
  65         const char *p;
  66
  67         p = nvram_safe_get("ipv6_service");
  68         for (i = 0; names[i] != NULL; ++i) {
  69                 if (strcmp(p, names[i]) == 0) return i + 1;
  70         }
  71         return IPV6_DISABLED;
  72 }
  73
  74 const char *ipv6_router_address(struct in6_addr *in6addr)
  75 {
  76         char *p;
  77         struct in6_addr addr;
  78         static char addr6[INET6_ADDRSTRLEN];
  79
  80         addr6[0] = '\0';
  81
  82         if ((p = nvram_get("ipv6_rtr_addr")) && *p) {
  83                 inet_pton(AF_INET6, p, &addr);
  84         }
  85         else if ((p = nvram_get("ipv6_prefix")) && *p) {
  86                 inet_pton(AF_INET6, p, &addr);
  87                 addr.s6_addr16[7] = htons(0x0001);
  88         }
  89         else {
  90                 return addr6;
  91         }
  92
  93         inet_ntop(AF_INET6, &addr, addr6, sizeof(addr6));
  94         if (in6addr)
  95                 memcpy(in6addr, &addr, sizeof(addr));
  96
  97         return addr6;
  98 }
  99 #endif
 100
 101 int using_dhcpc(void)
 102 {
 103         switch (get_wan_proto()) {
 104         case WP_DHCP:
 105                 return 1;
 106         case WP_L2TP:
 107         case WP_PPTP:
 108                 return nvram_get_int("pptp_dhcp");
 109         }
 110         return 0;
 111 }
 112
 113 int wl_client(int unit, int subunit)
 114 {
 115         char *mode = nvram_safe_get(wl_nvname("mode", unit, subunit));
 116
 117         return ((strcmp(mode, "sta") == 0) || (strcmp(mode, "wet") == 0));
 118 }
 119
 120 int foreach_wif(int include_vifs, void *param,
 121         int (*func)(int idx, int unit, int subunit, void *param))
 122 {
 123         char ifnames[256];
 124         char name[64], ifname[64], *next = NULL;
 125         int unit = -1, subunit = -1;
 126         int i;
 127         int ret = 0;
 128
 129         snprintf(ifnames, sizeof(ifnames), "%s %s %s %s %s",
 130                  nvram_safe_get("lan_ifnames"), nvram_safe_get("lan1_ifnames"), nvram_safe_get("lan2_ifnames"), nvram_safe_get("lan3_ifnames"), nvram_safe_get("wan_ifnames"));
 131         remove_dups(ifnames, sizeof(ifnames));
 132
 133         i = 0;
 134         foreach(name, ifnames, next) {
 135                 if (nvifname_to_osifname(name, ifname, sizeof(ifname)) != 0)
 136                         continue;
 137
 138                 if (wl_probe(ifname) || wl_ioctl(ifname, WLC_GET_INSTANCE, &unit, sizeof(unit)))
 139                         continue;
 140
 141                 // Convert eth name to wl name
 142                 if (osifname_to_nvifname(name, ifname, sizeof(ifname)) != 0)
 143                         continue;
 144
 145                 // Slave intefaces have a '.' in the name
 146                 if (strchr(ifname, '.') && !include_vifs)
 147                         continue;
 148
 149                 if (get_ifname_unit(ifname, &unit, &subunit) < 0)
 150                         continue;
 151
 152                 ret |= func(i++, unit, subunit, param);
 153         }
 154         return ret;
 155 }
 156
 157 void notice_set(const char *path, const char *format, ...)
 158 {
 159         char p[256];
 160         char buf[2048];
 161         va_list args;
 162
 163         va_start(args, format);
 164         vsnprintf(buf, sizeof(buf), format, args);
 165         va_end(args);
 166
 167         mkdir("/var/notice", 0755);
 168         snprintf(p, sizeof(p), "/var/notice/%s", path);
 169         f_write_string(p, buf, 0, 0);
 170         if (buf[0]) syslog(LOG_INFO, "notice[%s]: %s", path, buf);
 171 }
 172
 173
 174 //      #define _x_dprintf(args...)     syslog(LOG_DEBUG, args);
 175 #define _x_dprintf(args...)     do { } while (0);
 176
 177 int check_wanup(void)
 178 {
 179         int up = 0;
 180         int proto;
 181         char buf1[64];
 182         char buf2[64];
 183         const char *name;
 184         int f;
 185         struct ifreq ifr;
 186
 187         proto = get_wan_proto();
 188         if (proto == WP_DISABLED)
 189         {
 190                 if (nvram_match("boardrev", "0x11")) { // Ovislink 1600GL - led "connected" off
 191                         led(LED_WHITE,LED_OFF);
 192                 }
 193                  return 0;
 194         }
 195
 196         if ((proto == WP_PPTP) || (proto == WP_L2TP) || (proto == WP_PPPOE)) {
 197                 if (f_read_string("/tmp/ppp/link", buf1, sizeof(buf1)) > 0) {
 198                                 // contains the base name of a file in /var/run/ containing pid of a daemon
 199                                 snprintf(buf2, sizeof(buf2), "/var/run/%s.pid", buf1);
 200                                 if (f_read_string(buf2, buf1, sizeof(buf1)) > 0) {
 201                                         name = psname(atoi(buf1), buf2, sizeof(buf2));
 202                                         if (strcmp(name, "pppd") == 0) up = 1;
 203                                 }
 204                                 else {
 205                                         _dprintf("%s: error reading %s\n", __FUNCTION__, buf2);
 206                                 }
 207                         if (!up) {
 208                                 unlink("/tmp/ppp/link");
 209                                 _x_dprintf("required daemon not found, assuming link is dead\n");
 210                         }
 211                 }
 212                 else {
 213                         _x_dprintf("%s: error reading %s\n", __FUNCTION__, "/tmp/ppp/link");
 214                 }
 215         }
 216         else if (!nvram_match("wan_ipaddr", "0.0.0.0")) {
 217                 up = 1;
 218         }
 219         else {
 220                 _x_dprintf("%s: default !up\n", __FUNCTION__);
 221         }
 222
 223         if ((up) && ((f = socket(AF_INET, SOCK_DGRAM, 0)) >= 0)) {
 224                 strlcpy(ifr.ifr_name, nvram_safe_get("wan_iface"), sizeof(ifr.ifr_name));
 225                 if (ioctl(f, SIOCGIFFLAGS, &ifr) < 0) {
 226                         up = 0;
 227                         _x_dprintf("%s: SIOCGIFFLAGS\n", __FUNCTION__);
 228                 }
 229                 close(f);
 230                 if ((ifr.ifr_flags & IFF_UP) == 0) {
 231                         up = 0;
 232                         _x_dprintf("%s: !IFF_UP\n", __FUNCTION__);
 233                 }
 234         }
 235         if (nvram_match("boardrev", "0x11")) { // Ovislink 1600GL - led "connected" on
 236                 led(LED_WHITE,up);
 237         }
 238
 239         return up;
 240 }
 241
 242
 243 const dns_list_t *get_dns(void)
 244 {
 245         static dns_list_t dns;
 246         char s[512];
 247         int n;
 248         int i, j;
 249         struct in_addr ia;
 250         char d[7][22];
 251         unsigned short port;
 252         char *c;
 253
 254         dns.count = 0;
 255
 256         strlcpy(s, nvram_safe_get("wan_dns"), sizeof(s));
 257         if ((nvram_get_int("dns_addget")) || (s[0] == 0)) {
 258                 n = strlen(s);
 259                 snprintf(s + n, sizeof(s) - n, " %s", nvram_safe_get("wan_get_dns"));
 260         }
 261
 262         n = sscanf(s, "%21s %21s %21s %21s %21s %21s %21s", d[0], d[1], d[2], d[3], d[4], d[5], d[6]);
 263         for (i = 0; i < n; ++i) {
 264                 port = 53;
 265
 266                 if ((c = strchr(d[i], ':')) != NULL) {
 267                         *c++ = 0;
 268                         if (((j = atoi(c)) < 1) || (j > 0xFFFF)) continue;
 269                         port = j;
 270                 }
 271
 272                 if (inet_pton(AF_INET, d[i], &ia) > 0) {
 273                         for (j = dns.count - 1; j >= 0; --j) {
 274                                 if ((dns.dns[j].addr.s_addr == ia.s_addr) && (dns.dns[j].port == port)) break;
 275                         }
 276                         if (j < 0) {
 277                                 dns.dns[dns.count].port = port;
 278                                 dns.dns[dns.count++].addr.s_addr = ia.s_addr;
 279                                 if (dns.count == 6) break;
 280                         }
 281                 }
 282         }
 283
 284         return &dns;
 285 }
 286
 287 // -----------------------------------------------------------------------------
 288
 289 void set_action(int a)
 290 {
 291         int r = 3;
 292         while (f_write("/var/lock/action", &a, sizeof(a), 0, 0) != sizeof(a)) {
 293                 sleep(1);
 294                 if (--r == 0) return;
 295         }
 296         if (a != ACT_IDLE) sleep(2);
 297 }
 298
 299 int check_action(void)
 300 {
 301         int a;
 302         int r = 3;
 303
 304         while (f_read("/var/lock/action", &a, sizeof(a)) != sizeof(a)) {
 305                 sleep(1);
 306                 if (--r == 0) return ACT_UNKNOWN;
 307         }
 308         return a;
 309 }
 310
 311 int wait_action_idle(int n)
 312 {
 313         while (n-- > 0) {
 314                 if (check_action() == ACT_IDLE) return 1;
 315                 sleep(1);
 316         }
 317         return 0;
 318 }
 319
 320 // -----------------------------------------------------------------------------
 321
 322 const wanface_list_t *get_wanfaces(void)
 323 {
 324         static wanface_list_t wanfaces;
 325         char *ip, *iface;
 326         int proto;
 327
 328         wanfaces.count = 0;
 329
 330         switch ((proto = get_wan_proto())) {
 331                 case WP_PPTP:
 332                 case WP_L2TP:
 333                         while (wanfaces.count < 2) {
 334                                 if (wanfaces.count == 0) {
 335                                         ip = nvram_safe_get("ppp_get_ip");
 336                                         iface = nvram_safe_get("wan_iface");
 337                                         if (!(*iface)) iface = "ppp+";
 338                                 }
 339                                 else /* if (wanfaces.count == 1) */ {
 340                                         ip = nvram_safe_get("wan_ipaddr");
 341                                         if ((!(*ip) || strcmp(ip, "0.0.0.0") == 0) && (wanfaces.count > 0))
 342                                                 iface = "";
 343                                         else
 344                                                 iface = nvram_safe_get("wan_ifname");
 345                                 }
 346                                 strlcpy(wanfaces.iface[wanfaces.count].ip, ip, sizeof(wanfaces.iface[0].ip));
 347                                 strlcpy(wanfaces.iface[wanfaces.count].name, iface, IFNAMSIZ);
 348                                 ++wanfaces.count;
 349                         }
 350                         break;
 351                 default:
 352                         ip = (proto == WP_DISABLED) ? "0.0.0.0" : nvram_safe_get("wan_ipaddr");
 353                         if (proto == WP_PPPOE) {
 354                                 iface = nvram_safe_get("wan_iface");
 355                                 if (!(*iface)) iface = "ppp+";
 356                         }
 357                         else {
 358                                 iface = nvram_safe_get("wan_ifname");
 359                         }
 360                         strlcpy(wanfaces.iface[wanfaces.count].ip, ip, sizeof(wanfaces.iface[0].ip));
 361                         strlcpy(wanfaces.iface[wanfaces.count++].name, iface, IFNAMSIZ);
 362                         break;
 363         }
 364
 365         return &wanfaces;
 366 }
 367
 368 const char *get_wanface(void)
 369 {
 370         return (*get_wanfaces()).iface[0].name;
 371 }
 372
 373 #ifdef TCONFIG_IPV6
 374 const char *get_wan6face(void)
 375 {
 376         switch (get_ipv6_service()) {
 377         case IPV6_NATIVE:
 378         case IPV6_NATIVE_DHCP:
 379                 return get_wanface();
 380         case IPV6_ANYCAST_6TO4:
 381                 return "v6to4";
 382         case IPV6_6IN4:
 383                 return "v6in4";
 384         }
 385         return nvram_safe_get("ipv6_ifname");
 386 }
 387 #endif
 388
 389 const char *get_wanip(void)
 390 {
 391         if (!check_wanup()) return "0.0.0.0";
 392
 393         return (*get_wanfaces()).iface[0].ip;
 394 }
 395
 396 const char *getifaddr(char *ifname, int family, int linklocal)
 397 {
 398         static char buf[INET6_ADDRSTRLEN];
 399         void *addr = NULL;
 400         struct ifaddrs *ifap, *ifa;
 401
 402         if (getifaddrs(&ifap) != 0) {
 403                 _dprintf("getifaddrs failed: %s\n", strerror(errno));
 404                 return NULL;
 405         }
 406
 407         for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
 408                 if ((ifa->ifa_addr == NULL) ||
 409                     (strncmp(ifa->ifa_name, ifname, IFNAMSIZ) != 0) ||
 410                     (ifa->ifa_addr->sa_family != family))
 411                         continue;
 412
 413 #ifdef TCONFIG_IPV6
 414                 if (ifa->ifa_addr->sa_family == AF_INET6) {
 415                         struct sockaddr_in6 *s6 = (struct sockaddr_in6 *)(ifa->ifa_addr);
 416                         if (IN6_IS_ADDR_LINKLOCAL(&s6->sin6_addr) ^ linklocal)
 417                                 continue;
 418                         addr = (void *)&(s6->sin6_addr);
 419                 }
 420                 else
 421 #endif
 422                 {
 423                         struct sockaddr_in *s = (struct sockaddr_in *)(ifa->ifa_addr);
 424                         addr = (void *)&(s->sin_addr);
 425                 }
 426
 427                 if ((addr) && inet_ntop(ifa->ifa_addr->sa_family, addr, buf, sizeof(buf)) != NULL) {
 428                         freeifaddrs(ifap);
 429                         return buf;
 430                 }
 431         }
 432
 433         freeifaddrs(ifap);
 434         return NULL;
 435 }
 436
 437 // -----------------------------------------------------------------------------
 438
 439 long get_uptime(void)
 440 {
 441         struct sysinfo si;
 442         sysinfo(&si);
 443         return si.uptime;
 444 }
 445
 446 char *wl_nvname(const char *nv, int unit, int subunit)
 447 {
 448         static char tmp[128];
 449         char prefix[] = "wlXXXXXXXXXX_";
 450
 451         if (unit < 0)
 452                 strcpy(prefix, "wl_");
 453         else if (subunit > 0)
 454                 snprintf(prefix, sizeof(prefix), "wl%d.%d_", unit, subunit);
 455         else
 456                 snprintf(prefix, sizeof(prefix), "wl%d_", unit);
 457         return strcat_r(prefix, nv, tmp);
 458 }
 459
 460 int get_radio(int unit)
 461 {
 462         uint32 n;
 463
 464         return (wl_ioctl(nvram_safe_get(wl_nvname("ifname", unit, 0)), WLC_GET_RADIO, &n, sizeof(n)) == 0) &&
 465                 ((n & WL_RADIO_SW_DISABLE)  == 0);
 466 }
 467
 468 void set_radio(int on, int unit)
 469 {
 470         uint32 n;
 471
 472 #ifndef WL_BSS_INFO_VERSION
 473 #error WL_BSS_INFO_VERSION
 474 #endif
 475
 476 #if WL_BSS_INFO_VERSION >= 108
 477         n = on ? (WL_RADIO_SW_DISABLE << 16) : ((WL_RADIO_SW_DISABLE << 16) | 1);
 478         wl_ioctl(nvram_safe_get(wl_nvname("ifname", unit, 0)), WLC_SET_RADIO, &n, sizeof(n));
 479         if (!on) {
 480                 led(LED_WLAN, 0);
 481                 led(LED_DIAG, 0);
 482         }
 483 #else
 484         n = on ? 0 : WL_RADIO_SW_DISABLE;
 485         wl_ioctl(nvram_safe_get(wl_nvname("ifname", unit, 0)), WLC_SET_RADIO, &n, sizeof(n));
 486         if (!on) {
 487                 led(LED_DIAG, 0);
 488         }
 489 #endif
 490 }
 491
 492 // -----------------------------------------------------------------------------
 493
 494 int mtd_getinfo(const char *mtdname, int *part, int *size)
 495 {
 496         FILE *f;
 497         char s[256];
 498         char t[256];
 499         int r;
 500
 501         r = 0;
 502         if ((strlen(mtdname) < 128) && (strcmp(mtdname, "pmon") != 0)) {
 503                 sprintf(t, "\"%s\"", mtdname);
 504                 if ((f = fopen("/proc/mtd", "r")) != NULL) {
 505                         while (fgets(s, sizeof(s), f) != NULL) {
 506                                 if ((sscanf(s, "mtd%d: %x", part, size) == 2) && (strstr(s, t) != NULL)) {
 507                                         // don't accidentally mess with bl (0)
 508                                         if (*part > 0) r = 1;
 509                                         break;
 510                                 }
 511                         }
 512                         fclose(f);
 513                 }
 514         }
 515         if (!r) {
 516                 *size = 0;
 517                 *part = -1;
 518         }
 519         return r;
 520 }
 521
 522 // -----------------------------------------------------------------------------
 523
 524 int nvram_get_int(const char *key)
 525 {
 526         return atoi(nvram_safe_get(key));
 527 }
 528
 529 /*
 530 long nvram_xget_long(const char *name, long min, long max, long def)
 531 {
 532         const char *p;
 533         char *e;
 534         long n;
 535
 536         p = nvram_get(name);
 537         if ((p != NULL) && (*p != 0)) {
 538                 n = strtol(p, &e, 0);
 539                 if ((e != p) && ((*e == 0) || (*e == ' ')) && (n > min) && (n < max)) {
 540                         return n;
 541                 }
 542         }
 543         return def;
 544 }
 545 */
 546
 547 int nvram_get_file(const char *key, const char *fname, int max)
 548 {
 549         int n;
 550         char *p;
 551         char *b;
 552         int r;
 553
 554         r = 0;
 555         p = nvram_safe_get(key);
 556         n = strlen(p);
 557         if (n <= max) {
 558                 if ((b = malloc(base64_decoded_len(n) + 128)) != NULL) {
 559                         n = base64_decode(p, b, n);
 560                         if (n > 0) r = (f_write(fname, b, n, 0, 0644) == n);
 561                         free(b);
 562                 }
 563         }
 564         return r;
 565 /*
 566         char b[2048];
 567         int n;
 568         char *p;
 569
 570         p = nvram_safe_get(key);
 571         n = strlen(p);
 572         if (n <= max) {
 573                 n = base64_decode(p, b, n);
 574                 if (n > 0) return (f_write(fname, b, n, 0, 0700) == n);
 575         }
 576         return 0;
 577 */
 578 }
 579
 580 int nvram_set_file(const char *key, const char *fname, int max)
 581 {
 582         char *in;
 583         char *out;
 584         long len;
 585         int n;
 586         int r;
 587
 588         if ((len = f_size(fname)) > max) return 0;
 589         max = (int)len;
 590         r = 0;
 591         if (f_read_alloc(fname, &in, max) == max) {
 592                 if ((out = malloc(base64_encoded_len(max) + 128)) != NULL) {
 593                         n = base64_encode(in, out, max);
 594                         out[n] = 0;
 595                         nvram_set(key, out);
 596                         free(out);
 597                         r = 1;
 598                 }
 599                 free(in);
 600         }
 601         return r;
 602 /*
 603         char a[2048];
 604         char b[4096];
 605         int n;
 606
 607         if (((n = f_read(fname, &a, sizeof(a))) > 0) && (n <= max)) {
 608                 n = base64_encode(a, b, n);
 609                 b[n] = 0;
 610                 nvram_set(key, b);
 611                 return 1;
 612         }
 613         return 0;
 614 */
 615 }
 616
 617 int nvram_contains_word(const char *key, const char *word)
 618 {
 619         return (find_word(nvram_safe_get(key), word) != NULL);
 620 }
 621
 622 int nvram_is_empty(const char *key)
 623 {
 624         char *p;
 625         return (((p = nvram_get(key)) == NULL) || (*p == 0));
 626 }
 627
 628 void nvram_commit_x(void)
 629 {
 630         if (!nvram_get_int("debug_nocommit")) nvram_commit();
 631 }
 632
 633 int connect_timeout(int fd, const struct sockaddr *addr, socklen_t len, int timeout)
 634 {
 635         fd_set fds;
 636         struct timeval tv;
 637         int flags;
 638         int n;
 639         int r;
 640
 641         if (((flags = fcntl(fd, F_GETFL, 0)) < 0) ||
 642                 (fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0)) {
 643                 _dprintf("%s: error in F_*ETFL %d\n", __FUNCTION__, fd);
 644                 return -1;
 645         }
 646
 647         if (connect(fd, addr, len) < 0) {
 648 //              _dprintf("%s: connect %d = <0\n", __FUNCTION__, fd);
 649
 650                 if (errno != EINPROGRESS) {
 651                         _dprintf("%s: error in connect %d errno=%d\n", __FUNCTION__, fd, errno);
 652                         return -1;
 653                 }
 654
 655                 while (1) {
 656                         tv.tv_sec = timeout;
 657                         tv.tv_usec = 0;
 658                         FD_ZERO(&fds);
 659                         FD_SET(fd, &fds);
 660                         r = select(fd + 1, NULL, &fds, NULL, &tv);
 661                         if (r == 0) {
 662                                 _dprintf("%s: timeout in select %d\n", __FUNCTION__, fd);
 663                                 return -1;
 664                         }
 665                         else if (r < 0) {
 666                                 if (errno != EINTR) {
 667                                         _dprintf("%s: error in select %d\n", __FUNCTION__, fd);
 668                                         return -1;
 669                                 }
 670                                 // loop
 671                         }
 672                         else {
 673                                 r = 0;
 674                                 n = sizeof(r);
 675                                 if ((getsockopt(fd, SOL_SOCKET, SO_ERROR, &r, &n) < 0) || (r != 0)) {
 676                                         _dprintf("%s: error in SO_ERROR %d\n", __FUNCTION__, fd);
 677                                         return -1;
 678                                 }
 679                                 break;
 680                         }
 681                 }
 682         }
 683
 684         if (fcntl(fd, F_SETFL, flags) < 0) {
 685                 _dprintf("%s: error in F_*ETFL %d\n", __FUNCTION__, fd);
 686                 return -1;
 687         }
 688
 689 //      _dprintf("%s: OK %d\n", __FUNCTION__, fd);
 690         return 0;
 691 }
 692
 693 void chld_reap(int sig)
 694 {
 695         while (waitpid(-1, NULL, WNOHANG) > 0) {}
 696 }
 697
 698 /*
 699 int time_ok(void)
 700 {
 701         return time(0) > Y2K;
 702 }
 703 */