openwrt/package/htpdate/patches/500-check-time-delta-opt.patch

   1 diff -ruN htpdate-0.8.0-old/htpdate.c htpdate-0.8.0-new/htpdate.c
   2 --- htpdate-0.8.0-old/htpdate.c 2005-05-26 23:32:18.000000000 +0200
   3 +++ htpdate-0.8.0-new/htpdate.c 2005-06-02 04:33:33.000000000 +0200
   4 @@ -243,7 +243,7 @@
   5         printf("htpdate version %s\n", version);
   6         printf("\
   7  Usage: htpdate [-0|-1] [-a|-q|-s] [-d|-D] [-h|-l] [-i pid file] [-m minpoll]\n\
   8 -        [-M maxpoll] [-P <proxyserver>[:port]] <host[:port]> ...\n\n\
   9 +        [-M maxpoll] [-C limit] [-P <proxyserver>[:port]] <host[:port]> ...\n\n\
  10    -0    HTTP/1.0 request (default)\n\
  11    -1    HTTP/1.1 request\n\
  12    -a    adjust time smoothly\n\
  13 @@ -257,6 +257,8 @@
  14    -m    minimum poll interval (2^m)\n\
  15    -M    maximum poll interval (2^M)\n\
  16    -P    proxy server\n\
  17 +  -C    time delta limit in server responses (in seconds)\n\
  18 +          default: 1 year, unlimited: 0\n\
  19    host  web server hostname or ip address\n\
  20    port  port number (default 80 and 8080 for proxy server)\n\n");
  21
  22 @@ -271,6 +273,7 @@
  23         int                                     port, proxyport = 8080;
  24         int                                     sumtime, numservers, validtime, goodtime, mean, i;
  25         double                          timeavg;
  26 +       int                                     timedeltalimit = YEAR;
  27         unsigned int            nap = 0, when = 500000;
  28         unsigned int            minsleep = 10, maxsleep = 18, sleeptime = minsleep;
  29         char                            setmode = 0, httpversion = 0, try, param;
  30 @@ -283,7 +286,7 @@
  31
  32
  33         /* Parse the command line switches and arguments */
  34 -       while ( (param = getopt(argc, argv, "01adhi:lm:qsDM:P:") ) != -1)
  35 +       while ( (param = getopt(argc, argv, "01adhi:lm:qsDM:P:C:") ) != -1)
  36         switch (param)
  37         {
  38                 case '0':                       /* adjust time */
  39 @@ -340,6 +343,12 @@
  40                                 }
  41                         }
  42                         break;
  43 +               case 'C':                       /* time delta limit in server responses */
  44 +                       if ( (timedeltalimit = atoi(optarg) ) < 0 ) {
  45 +                               printlog( 1, "Invalid time delta limit" );
  46 +                               exit(1);
  47 +                       }
  48 +                       break;
  49                 case '?':
  50                         return 1;
  51                 default:
  52 @@ -458,10 +467,12 @@
  53                         try--;
  54                 } while ( timestamp && try && daemonize );
  55
  56 -               /* Only include valid responses in timedelta[], |delta time| < year */
  57 -               if ( ( timestamp > -YEAR ) && ( timestamp < YEAR ) ) {
  58 -                       timedelta[validtime] = timestamp;
  59 +               timedelta[validtime] = timestamp;
  60 +               /* Only include valid responses in timedelta[], |delta time| < validlimit */
  61 +               if ( ( timedeltalimit == 0 ) || ( ( timestamp > -timedeltalimit ) && ( timestamp < timedeltalimit ) ) ) {
  62                         validtime++;
  63 +               } else {
  64 +                       printlog( 0, "Invalid server response (host: %s, time delta: %d, limit: %d)", host, timestamp, timedeltalimit);
  65                 }
  66
  67                 /* Sleep for a while, unless we detected a time offset */